/* ============================================
   DelVerse - Additional Pages Styles
   About, BecomeTutor, Blog, HelpCenter, etc.
   ============================================ */

/* ============================================
   About Page
   ============================================ */
.about-hero {
  padding: 120px 0 80px;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.about-hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-4);
}

.about-hero-content p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto;
}

.about-section {
  padding: var(--spacing-20) 0;
}

.about-section.bg-light {
  background: var(--gray-50);
}

.vision-mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-8);
}

.vm-card {
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.vm-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-4);
}

.vm-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-3);
}

.vm-card ul {
  list-style: none;
  padding: 0;
}

.vm-card ul li {
  padding: var(--spacing-2) 0;
  padding-left: var(--spacing-6);
  position: relative;
}

.vm-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-500);
  font-weight: bold;
}

.about-stats {
  padding: var(--spacing-16) 0;
  background: var(--gradient-primary);
}

.stats-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
}

.stats-grid-4 .stat-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  text-align: center;
  color: white;
}

.stats-grid-4 .stat-number {
  font-size: 2.5rem;
  font-weight: 800;
}

.stats-grid-4 .stat-label {
  opacity: 0.9;
}

.features-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.feature-card-v2 {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.feature-card-v2:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-card-v2 .feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-4);
  background: var(--primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
  font-size: 1.5rem;
}

.feature-card-v2 h3 {
  margin-bottom: var(--spacing-2);
}

.feature-card-v2 p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
}

.how-step {
  text-align: center;
  position: relative;
}

.how-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 32px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: var(--primary-200);
}

.step-number {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  margin: 0 auto var(--spacing-4);
  position: relative;
  z-index: 1;
}

.step-content h3 {
  margin-bottom: var(--spacing-2);
}

.step-content p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
}

.team-card {
  text-align: center;
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-4);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-role {
  color: var(--primary-500);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-3);
}

.team-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
}

.team-social a {
  color: var(--gray-400);
  font-size: 1.25rem;
  transition: color var(--transition-fast);
}

.team-social a:hover {
  color: var(--primary-500);
}

.cta-section {
  padding: var(--spacing-20) 0;
  background: var(--gradient-primary);
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-3);
}

.cta-content p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-6);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
}

/* ============================================
   Become Tutor Page
   ============================================ */
.tutor-hero {
  padding: 100px 0 60px;
  background: var(--gray-50);
}

.tutor-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.tutor-hero-content h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: var(--spacing-4);
  line-height: 1.2;
}

.tutor-hero-content p {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-6);
}

.hero-stats-inline {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-6);
}

.hero-stats-inline .stat .value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-600);
}

.hero-stats-inline .stat .label {
  color: var(--gray-500);
  font-size: 0.9rem;
}

.tutor-hero-image {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
}

.tutor-hero-image img {
  width: 100%;
  height: auto;
}

.benefits-section {
  padding: var(--spacing-20) 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.benefit-card {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-4);
}

/* ============================================
   Student AI Feature Sections
   ============================================ */
.feature-grid-2x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-5);
}

.feature-saas-card {
  background: linear-gradient(145deg, #ffffff, #f4fbff);
  border: 1px solid rgba(22, 92, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: 0 12px 26px rgba(15, 64, 147, 0.08);
}

.feature-saas-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-saas-card p {
  color: var(--gray-600);
  min-height: 44px;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.feature-saas-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--primary-500), var(--sky-400));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.roadmap-card-shell,
.radar-card-shell,
.momentum-card-shell {
  padding: var(--spacing-5);
}

.adaptive-roadmap-head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: 14px;
}

.adaptive-roadmap-track {
  display: grid;
  gap: 10px;
}

.roadmap-node {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  border: 1px solid var(--gray-100);
  background: #fff;
  border-radius: 14px;
  padding: 12px;
}

.roadmap-node .roadmap-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  background: linear-gradient(150deg, var(--primary-500), var(--sky-400));
}

.roadmap-node.branch-a .roadmap-icon {
  background: linear-gradient(150deg, #17a2ff, #3ed0ff);
}

.roadmap-node.branch-b .roadmap-icon {
  background: linear-gradient(150deg, #ff8f2f, #ffc245);
}

.roadmap-milestone {
  font-size: 11px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.roadmap-content h4 {
  font-size: var(--font-size-base);
  margin: 2px 0 8px;
}

.roadmap-content small {
  color: var(--gray-500);
}

.roadmap-link {
  color: var(--primary-400);
  text-align: center;
  font-size: 14px;
}

.skill-radar-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 12px;
  align-items: center;
}

.skill-radar-chart {
  width: 100%;
  max-width: 280px;
}

.radar-ring {
  fill: none;
  stroke: rgba(38, 106, 255, 0.18);
  stroke-width: 1;
}

.radar-target {
  fill: rgba(15, 184, 120, 0.12);
  stroke: rgba(15, 184, 120, 0.62);
  stroke-dasharray: 6 4;
}

.radar-current {
  fill: rgba(33, 124, 255, 0.22);
  stroke: rgba(33, 124, 255, 0.82);
}

.skill-radar-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-radar-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.9rem;
}

.skill-insight {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #ecf7ff;
  color: #0f4a74;
  font-weight: 500;
}

.momentum-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: var(--spacing-4);
  align-items: center;
}

.streak-badge-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.streak-badge-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(145deg, #ff8e37, #ffb24a);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.streak-badge-card h3 {
  margin-bottom: 2px;
}

.streak-badge-card p {
  color: var(--gray-600);
}

.momentum-ring-wrap {
  text-align: center;
}

.momentum-ring {
  --ring-bg: #e8edf6;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 8px;
  display: grid;
  place-items: center;
  background: conic-gradient(
    var(--primary-500) calc(var(--ring-value) * 1%),
    var(--ring-bg) 0
  );
  position: relative;
}

.momentum-ring::before {
  content: "";
  position: absolute;
  inset: 9px;
  background: white;
  border-radius: 50%;
}

.momentum-ring span {
  position: relative;
  z-index: 1;
  font-weight: 700;
}

.momentum-calendar .calendar-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.calendar-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}

.calendar-cell {
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  color: var(--gray-500);
  font-size: 12px;
}

.calendar-cell.active {
  background: linear-gradient(140deg, var(--primary-500), var(--sky-400));
  color: white;
}

.calendar-hint {
  font-size: 12px;
  color: var(--gray-500);
}

/* ============================================
   Community Page
   ============================================ */
.community-topic-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.topic-chip {
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: white;
  color: var(--gray-600);
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
}

.topic-chip.active {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
}

.community-thread-grid {
  display: grid;
  gap: 12px;
}

.community-thread-card {
  background: white;
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  padding: 14px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.community-thread-card:hover {
  transform: translateY(-2px);
}

.community-thread-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.community-tag {
  font-size: 12px;
  color: var(--primary-600);
  font-weight: 600;
}

.community-thread-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: 12px;
}

.community-thread-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.community-author {
  display: flex;
  gap: 10px;
  align-items: center;
}

.community-author img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
}

.contributor-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  padding: 10px;
}

/* ============================================
   Support Hub Page
   ============================================ */
.support-shell {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-5);
}

.support-chat-panel {
  padding: 0;
  overflow: hidden;
}

.support-chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: linear-gradient(130deg, #0f3d88, #1a75d2);
  color: white;
  padding: 16px;
}

.support-online {
  font-size: 12px;
  opacity: 0.95;
  display: flex;
  align-items: center;
  gap: 6px;
}

.online-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #42ff9f;
  box-shadow: 0 0 0 4px rgba(66, 255, 159, 0.18);
}

.support-chat-body {
  background: linear-gradient(180deg, #f7fbff, #f3f6fa);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.chat-bubble {
  max-width: 88%;
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.5;
}

.chat-bubble.ai {
  background: rgba(29, 127, 255, 0.12);
  border: 1px solid rgba(29, 127, 255, 0.25);
  justify-self: flex-start;
}

.chat-bubble.human {
  background: rgba(19, 199, 126, 0.12);
  border: 1px solid rgba(19, 199, 126, 0.2);
  justify-self: flex-end;
}

.chat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.support-chat-actions {
  display: flex;
  gap: 10px;
  padding: 16px;
  border-top: 1px solid var(--gray-100);
}

.support-kpi-panel {
  display: grid;
  gap: 12px;
  align-content: start;
}

.support-kpi-card {
  padding: 16px;
}

.support-kpi-card h3 {
  margin-bottom: 10px;
}

.support-kpi-card ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.support-kpi-card li {
  color: var(--gray-700);
  font-size: 14px;
}

.support-kpi-card li i {
  color: var(--success);
  margin-right: 6px;
}

.support-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.support-stat:last-child {
  border-bottom: none;
}

/* ============================================
   Flexible Learning Tab
   ============================================ */
.flex-learn-hero {
  padding: 20px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 12px;
  align-items: center;
  background: linear-gradient(130deg, #ffffff, #ecf6ff);
}

.flex-learn-hero h3 {
  margin-bottom: 8px;
}

.flex-learn-hero p {
  color: var(--gray-600);
  margin-bottom: 12px;
}

.flex-learn-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.multi-device-mockup {
  position: relative;
  min-height: 130px;
}

.device-laptop {
  width: 180px;
  height: 106px;
  border-radius: 10px;
  background: linear-gradient(150deg, #163f7c, #2a79d4);
  box-shadow: 0 18px 24px rgba(27, 60, 128, 0.25);
}

.device-laptop::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 12px;
  left: -20px;
  top: 105px;
  border-radius: 8px;
  background: #b7cbdf;
}

.device-phone {
  width: 62px;
  height: 112px;
  border-radius: 14px;
  background: linear-gradient(170deg, #0ea177, #46d7ab);
  position: absolute;
  right: 18px;
  bottom: -4px;
  box-shadow: 0 14px 22px rgba(26, 138, 102, 0.25);
}

.flex-learn-module-list {
  display: grid;
  gap: 14px;
}

.flex-module-item {
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 14px;
}

.flex-module-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.flex-module-head h4 {
  font-size: var(--font-size-base);
  margin-bottom: 2px;
}

.flex-module-head small {
  color: var(--gray-500);
}

.flex-module-curriculum {
  display: grid;
  gap: 8px;
}

.flex-curriculum-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--gray-600);
  font-size: 13px;
  border-bottom: 1px dashed var(--gray-200);
  padding-bottom: 6px;
}

.flex-curriculum-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* ============================================
   Smart Dashboard Panels
   ============================================ */
.smart-learning-shell,
.smart-tutor-shell {
  padding: var(--spacing-5);
}

.smart-learning-grid,
.smart-tutor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-4);
}

.smart-learning-panel,
.smart-tutor-panel {
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  background: linear-gradient(150deg, #ffffff, #f6faff);
  padding: 14px;
}

.smart-learning-panel h3,
.smart-tutor-panel h3 {
  margin-bottom: 10px;
  font-size: var(--font-size-base);
}

.smart-learning-panel p,
.smart-tutor-panel p {
  color: var(--gray-600);
  font-size: 13px;
}

.smart-score-panel,
.smart-tutor-health {
  display: flex;
  gap: 14px;
}

.smart-score-ring {
  --ring-bg: #e8edf6;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(
    var(--primary-500) calc(var(--score) * 1%),
    var(--ring-bg) 0
  );
  position: relative;
  flex-shrink: 0;
}

.smart-score-ring::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  background: white;
}

.smart-score-ring strong,
.smart-score-ring small {
  position: relative;
  z-index: 1;
}

.smart-score-ring strong {
  font-size: 1.2rem;
  line-height: 1;
}

.smart-score-ring small {
  font-size: 10px;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.smart-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.smart-action-list {
  display: grid;
  gap: 10px;
}

.smart-action-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #ffffff;
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  padding: 10px;
}

.smart-action-item i {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(31, 105, 255, 0.13);
  color: var(--primary-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.smart-action-item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.smart-command-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.smart-checkpoint-meta {
  margin-bottom: 8px;
  color: var(--gray-500);
}

.smart-checkpoint-list {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.smart-checkpoint-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  border-bottom: 1px dashed var(--gray-200);
  padding-bottom: 6px;
}

.smart-checkpoint-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.smart-risk-list {
  display: grid;
  gap: 10px;
}

.smart-risk-item {
  border: 1px solid var(--gray-100);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #ffffff;
}

.smart-risk-item strong {
  font-size: 13px;
}

.smart-risk-item p {
  margin-top: 2px;
  font-size: 12px;
  color: var(--gray-500);
}

/* ============================================
   AI Tutor Personal Tab
   ============================================ */
.ai-tutor-shell {
  max-width: 1020px;
}

.ai-tutor-hero {
  padding: 24px;
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 14px;
  align-items: center;
  background: radial-gradient(circle at 20% 10%, #eff7ff, #ffffff 60%);
}

.ai-tutor-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.ai-tutor-hero h3 {
  margin-bottom: 8px;
}

.ai-tutor-hero p {
  color: var(--gray-600);
  margin-bottom: 12px;
}

.ai-tutor-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.ai-tutor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ai-persona-card {
  border-radius: 16px;
  border: 1px solid rgba(29, 118, 255, 0.16);
  background: linear-gradient(150deg, #0f3d88, #1d78d8);
  min-height: 190px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.ai-persona-core {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.6rem;
}

.ai-persona-lines {
  position: absolute;
  inset: auto 16px 16px;
  display: grid;
  gap: 6px;
}

.ai-persona-lines span {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.3);
}

.ai-persona-lines span:nth-child(1) {
  width: 120px;
}

.ai-persona-lines span:nth-child(2) {
  width: 88px;
}

.ai-persona-lines span:nth-child(3) {
  width: 104px;
}

.ai-tutor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.ai-tutor-modes,
.ai-tutor-plan,
.ai-chat-preview {
  padding: 20px;
}

.ai-mode-list,
.ai-plan-list {
  display: grid;
  gap: 10px;
}

.ai-mode-card {
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 12px;
  background: #ffffff;
}

.ai-mode-card h4 {
  margin-bottom: 4px;
  font-size: 14px;
}

.ai-mode-card p {
  color: var(--gray-600);
  font-size: 13px;
  margin-bottom: 8px;
}

.ai-plan-item {
  border: 1px dashed var(--gray-200);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: start;
}

.ai-plan-day {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-50);
  color: var(--primary-600);
  font-weight: 700;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ai-plan-item strong {
  font-size: 13px;
}

.ai-plan-item p {
  margin-top: 2px;
  font-size: 12px;
  color: var(--gray-500);
}

.ai-chat-preview {
  margin-top: 14px;
}

.ai-preview-bubble {
  border-radius: 12px;
  padding: 10px 12px;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.5;
}

.ai-preview-bubble.ai {
  background: rgba(29, 127, 255, 0.12);
  border: 1px solid rgba(29, 127, 255, 0.2);
}

.ai-preview-bubble.user {
  background: rgba(15, 184, 120, 0.12);
  border: 1px solid rgba(15, 184, 120, 0.2);
}

.tutor-how-section {
  padding: var(--spacing-20) 0;
}

.tutor-steps-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-step {
  display: flex;
  gap: var(--spacing-6);
  padding-bottom: var(--spacing-8);
  position: relative;
}

.timeline-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 56px;
  bottom: 0;
  width: 2px;
  background: var(--primary-200);
}

.step-marker {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.25rem;
}

.timeline-step .step-content h3 {
  margin-bottom: var(--spacing-2);
}

.timeline-step .step-content p {
  color: var(--gray-600);
}

.income-section {
  padding: var(--spacing-20) 0;
}

.income-calculator {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.input-with-prefix {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.input-with-prefix span {
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--gray-100);
  color: var(--gray-600);
}

.input-with-prefix input {
  flex: 1;
  border: none;
  padding: var(--spacing-3);
}

.calc-group input[type="range"] {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.calc-group input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-500);
  border-radius: 50%;
  cursor: pointer;
}

.range-value {
  display: block;
  margin-top: var(--spacing-2);
  color: var(--gray-600);
}

.calc-result {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
}

.result-label {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-2);
}

.result-value {
  font-size: 2.5rem;
  font-weight: 800;
}

.result-note {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: var(--spacing-2);
}

.tutor-testimonials {
  padding: var(--spacing-20) 0;
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.testimonial-card-v2 {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
}

.testimonial-content {
  position: relative;
  margin-bottom: var(--spacing-4);
}

.quote-icon {
  color: var(--primary-200);
  font-size: 2rem;
  position: absolute;
  top: -8px;
  left: 0;
}

.testimonial-content p {
  padding-top: var(--spacing-4);
  color: var(--gray-600);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.author-info h4 {
  margin: 0;
  font-size: 1rem;
}

.author-info p {
  margin: 0;
  color: var(--gray-500);
  font-size: 0.85rem;
}

.income-badge {
  display: inline-block;
  background: var(--success-light);
  color: var(--success);
  padding: 2px 8px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  margin-top: var(--spacing-1);
}

.requirements-section {
  padding: var(--spacing-20) 0;
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
  max-width: 900px;
  margin: 0 auto;
}

.requirement-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.requirement-item i {
  color: var(--success);
  font-size: 1.25rem;
}

.registration-section {
  padding: var(--spacing-20) 0;
}

.registration-form-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-8);
}

.form-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-8);
  position: relative;
}

.form-steps::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 48px;
  right: 48px;
  height: 2px;
  background: var(--gray-200);
}

.form-steps .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 40px;
  height: 40px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--gray-500);
  transition: all var(--transition-fast);
}

.form-steps .step.active .step-icon {
  background: var(--primary-500);
  color: white;
}

.form-steps .step.completed .step-icon {
  background: var(--success);
  color: white;
}

.form-steps .step span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.form-steps .step.active span {
  color: var(--primary-600);
  font-weight: 600;
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.form-step h3 {
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--gray-200);
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.upload-box {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.upload-box:hover {
  border-color: var(--primary-500);
}

.upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-6);
  cursor: pointer;
  text-align: center;
}

.upload-label i {
  font-size: 2rem;
  color: var(--gray-400);
  margin-bottom: var(--spacing-2);
}

.upload-label span {
  font-weight: 500;
}

.upload-label small {
  color: var(--gray-500);
  margin-top: var(--spacing-1);
}

.checkbox-group {
  margin-bottom: var(--spacing-4);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
}

.checkbox-label input {
  margin-top: 4px;
}

.checkbox-label a {
  color: var(--primary-500);
}

.success-message {
  text-align: center;
  padding: var(--spacing-8);
}

.success-icon {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: var(--spacing-4);
}

.success-actions {
  margin-top: var(--spacing-6);
}

.faq-section {
  padding: var(--spacing-20) 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
}

.faq-question i {
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: var(--spacing-4);
  color: var(--gray-600);
}

/* ============================================
   Blog Page
   ============================================ */
.blog-hero {
  padding: 100px 0 60px;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.blog-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-3);
}

.blog-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-6);
}

.blog-search {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.blog-search input {
  flex: 1;
  border: none;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: 1rem;
}

.blog-search button {
  background: var(--primary-500);
  border: none;
  padding: 0 var(--spacing-6);
  color: white;
  cursor: pointer;
}

.featured-post-section {
  padding: var(--spacing-8) 0;
  margin-top: -40px;
}

.featured-post {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-8);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.featured-post:hover {
  transform: translateY(-4px);
}

.featured-image {
  position: relative;
  height: 350px;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-badge {
  position: absolute;
  top: var(--spacing-4);
  left: var(--spacing-4);
  background: var(--primary-500);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
}

.featured-content {
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-category {
  color: var(--primary-500);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.featured-content h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-3);
  line-height: 1.3;
}

.featured-content p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  font-size: 0.85rem;
  color: var(--gray-500);
}

.post-meta .author {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.post-meta .author img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
}

.blog-content-section {
  padding: var(--spacing-8) 0 var(--spacing-20);
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-8);
}

.blog-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.category-btn {
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-full);
  background: white;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
  background: var(--primary-500);
  border-color: var(--primary-500);
  color: white;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

.article-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.article-image {
  position: relative;
  height: 180px;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-category {
  position: absolute;
  bottom: var(--spacing-3);
  left: var(--spacing-3);
  background: white;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-500);
}

.article-content {
  padding: var(--spacing-4);
}

.article-content h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2);
  line-height: 1.3;
}

.article-content p {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-3);
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

.article-meta .author {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.article-meta .author img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
}

.load-more-wrapper {
  text-align: center;
  margin-top: var(--spacing-8);
}

.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.sidebar-widget {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: var(--shadow-md);
}

.sidebar-widget h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 2px solid var(--primary-500);
}

.popular-posts {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.popular-post-item {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.popular-post-item:hover {
  background: var(--gray-50);
}

.popular-post-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.popular-post-item .post-info h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  line-height: 1.3;
}

.popular-post-item .post-info span {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.newsletter-widget {
  background: var(--gradient-primary);
  color: white;
}

.newsletter-widget h3 {
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.newsletter-widget p {
  opacity: 0.9;
  margin-bottom: var(--spacing-4);
}

.newsletter-widget input {
  width: 100%;
  padding: var(--spacing-3);
  border: none;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-3);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.tag {
  padding: 4px 12px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--primary-500);
  color: white;
}

.social-links {
  display: flex;
  gap: var(--spacing-3);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-500);
  color: white;
}

/* ============================================
   Help Center Page
   ============================================ */
.help-hero {
  padding: 100px 0 80px;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.help-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-3);
}

.help-hero > .container > p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-6);
}

.help-search {
  display: flex;
  max-width: 600px;
  margin: 0 auto var(--spacing-4);
  background: white;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.help-search input {
  flex: 1;
  border: none;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: 1rem;
}

.help-search button {
  background: var(--primary-500);
  border: none;
  padding: 0 var(--spacing-6);
  color: white;
  cursor: pointer;
}

.popular-searches {
  font-size: 0.9rem;
  opacity: 0.9;
}

.popular-searches a {
  color: white;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin: 0 4px;
}

.popular-searches a:hover {
  background: rgba(255, 255, 255, 0.3);
}

.quick-links-section {
  padding: var(--spacing-8) 0;
  margin-top: -40px;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-4);
}

.quick-link-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.quick-link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.ql-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-3);
  color: var(--primary-500);
  font-size: 1.5rem;
}

.quick-link-card h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-1);
}

.quick-link-card p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.faq-main-section {
  padding: var(--spacing-12) 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-8);
}

.faq-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.faq-sidebar h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-4);
}

.category-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-6);
}

.category-list li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.category-list li a:hover,
.category-list li a.active {
  background: var(--primary-50);
  color: var(--primary-600);
}

.category-list li a i {
  width: 20px;
}

.category-list li a .count {
  margin-left: auto;
  background: var(--gray-100);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.support-card {
  background: var(--gradient-primary);
  padding: var(--spacing-5);
  border-radius: var(--radius-xl);
  color: white;
  text-align: center;
}

.support-card i {
  font-size: 2rem;
  margin-bottom: var(--spacing-3);
}

.support-card h4 {
  margin-bottom: var(--spacing-2);
}

.support-card p {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-4);
}

.support-card .btn {
  margin-bottom: var(--spacing-2);
}

.faq-content h2 {
  margin-bottom: var(--spacing-6);
}

.guides-section {
  padding: var(--spacing-16) 0;
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
}

.guide-card {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-normal);
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.guide-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
  color: var(--primary-500);
  font-size: 1.5rem;
}

.guide-card h3 {
  margin-bottom: var(--spacing-2);
}

.guide-card p {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-4);
}

.guide-link {
  color: var(--primary-500);
  font-weight: 600;
}

.guide-link i {
  transition: transform var(--transition-fast);
}

.guide-link:hover i {
  transform: translateX(4px);
}

.policies-section {
  padding: var(--spacing-16) 0;
}

.policies-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
}

.policy-card {
  background: white;
  padding: var(--spacing-5);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
}

.policy-card:hover {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-md);
}

.policy-card i {
  font-size: 1.5rem;
  color: var(--primary-500);
  margin-bottom: var(--spacing-3);
}

.policy-card h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-1);
}

.policy-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.contact-section {
  padding: var(--spacing-16) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.contact-card {
  background: white;
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-4);
  color: var(--primary-500);
  font-size: 1.5rem;
}

.contact-card h3 {
  margin-bottom: var(--spacing-2);
}

.contact-card p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.contact-card .availability {
  display: block;
  font-size: 0.85rem;
  color: var(--success);
  margin-bottom: var(--spacing-4);
}

.ticket-section {
  padding: var(--spacing-16) 0;
}

.ticket-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-12);
  align-items: start;
  background: white;
  padding: var(--spacing-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.ticket-info h2 {
  margin-bottom: var(--spacing-4);
}

.ticket-info p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-6);
}

.ticket-features {
  list-style: none;
  padding: 0;
}

.ticket-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) 0;
}

.ticket-features i {
  color: var(--success);
}

.ticket-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

/* ============================================
   Learning Area Page
   ============================================ */
.learning-area {
  min-height: 100vh;
  background: var(--gray-100);
}

.learning-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: white;
  border-bottom: 1px solid var(--gray-200);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-4);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.topbar-left .class-info h1 {
  font-size: 1rem;
  margin: 0;
}

.topbar-left .progress-text {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.topbar-right {
  display: flex;
  gap: var(--spacing-2);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--gray-100);
  color: var(--primary-500);
}

.learning-main {
  display: flex;
  padding-top: 64px;
  min-height: calc(100vh - 64px);
}

.learning-sidebar {
  width: 350px;
  background: white;
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal);
  overflow: hidden;
}

.learning-sidebar.collapsed {
  width: 0;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
}

.sidebar-header h3 {
  margin: 0;
  font-size: 1rem;
}

.curriculum-list {
  flex: 1;
  overflow-y: auto;
}

.curriculum-section {
  border-bottom: 1px solid var(--gray-200);
}

.section-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4);
  background: var(--gray-50);
  border: none;
  cursor: pointer;
  text-align: left;
}

.section-info .section-title {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
}

.section-info .section-progress {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.curriculum-section .section-header i {
  transition: transform var(--transition-fast);
}

.curriculum-section.expanded .section-header i {
  transform: rotate(180deg);
}

.section-lessons {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.curriculum-section.expanded .section-lessons {
  max-height: 500px;
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.lesson-item:hover {
  background: var(--gray-50);
}

.lesson-item.active {
  background: var(--primary-50);
  border-left-color: var(--primary-500);
}

.lesson-item.completed .lesson-icon {
  color: var(--success);
}

.lesson-icon {
  color: var(--gray-400);
  font-size: 1.1rem;
}

.lesson-info .lesson-title {
  display: block;
  font-size: 0.9rem;
}

.lesson-info .lesson-duration {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.sidebar-footer {
  padding: var(--spacing-4);
  border-top: 1px solid var(--gray-200);
}

.overall-progress .progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--spacing-2);
}

.overall-progress .progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
}

.overall-progress span {
  font-size: 0.85rem;
  color: var(--gray-600);
}

.learning-content {
  flex: 1;
  padding: var(--spacing-6);
  overflow-y: auto;
}

.video-container {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-6);
}

.video-player {
  position: relative;
  background: #000;
  aspect-ratio: 16/9;
}

.video-player video {
  width: 100%;
  height: 100%;
  display: block;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.video-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.play-btn-large {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--radius-full);
  font-size: 2rem;
  color: var(--primary-500);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.play-btn-large:hover {
  transform: scale(1.1);
}

.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--spacing-4);
}

.progress-container {
  cursor: pointer;
  margin-bottom: var(--spacing-3);
}

.video-progress-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  position: relative;
}

.video-progress-fill {
  height: 100%;
  background: var(--primary-500);
  border-radius: 2px;
  position: absolute;
  top: 0;
  left: 0;
}

.controls-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.controls-left,
.controls-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.control-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.volume-control {
  display: flex;
  align-items: center;
}

.volume-slider {
  width: 80px;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.volume-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: white;
  border-radius: 50%;
  cursor: pointer;
}

.time-display {
  color: white;
  font-size: 0.85rem;
  margin-left: var(--spacing-2);
}

#speedDisplay {
  font-size: 0.85rem;
}

.lesson-header {
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--gray-200);
}

.lesson-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.lesson-actions {
  display: flex;
  gap: var(--spacing-2);
}

.learning-tabs {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-4);
  border: none;
  background: none;
  cursor: pointer;
  font-weight: 500;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--primary-500);
}

.tab-btn.active {
  color: var(--primary-500);
  border-bottom-color: var(--primary-500);
}

.tabs-content {
  padding: var(--spacing-6);
}

.tab-overview .overview-section {
  margin-bottom: var(--spacing-6);
}

.tab-overview .overview-section h3 {
  margin-bottom: var(--spacing-3);
}

.learning-points {
  list-style: none;
  padding: 0;
}

.learning-points li {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) 0;
}

.learning-points i {
  color: var(--success);
}

.tutor-mini-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.tutor-mini-card img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
}

.tutor-mini-card .tutor-info {
  flex: 1;
}

.tutor-mini-card .tutor-info h4 {
  margin: 0;
}

.tutor-mini-card .tutor-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--gray-500);
}

.tab-resources h3 {
  margin-bottom: var(--spacing-4);
}

.resources-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.resource-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-3);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.resource-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-500);
}

.resource-info {
  flex: 1;
}

.resource-name {
  display: block;
  font-weight: 500;
}

.resource-size {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.discussion-form {
  margin-bottom: var(--spacing-6);
}

.discussion-form textarea {
  width: 100%;
  margin-bottom: var(--spacing-3);
}

.discussions-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.discussion-item {
  display: flex;
  gap: var(--spacing-3);
}

.discussion-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.discussion-content {
  flex: 1;
  background: var(--gray-50);
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
}

.discussion-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-2);
}

.author-name {
  font-weight: 600;
}

.post-time {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.discussion-content p {
  margin-bottom: var(--spacing-2);
}

.discussion-actions {
  display: flex;
  gap: var(--spacing-4);
}

.discussion-actions button {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--gray-500);
  cursor: pointer;
}

.discussion-actions button:hover {
  color: var(--primary-500);
}

.tab-assignment .assignment-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
}

.assignment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.assignment-header h3 {
  margin: 0;
}

.due-date {
  color: var(--warning);
  font-weight: 500;
}

.assignment-body ul {
  margin: var(--spacing-4) 0;
  padding-left: var(--spacing-6);
}

.assignment-body li {
  padding: var(--spacing-1) 0;
}

.assignment-submit {
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--gray-200);
}

.assignment-submit h4 {
  margin-bottom: var(--spacing-4);
}

.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  cursor: pointer;
  margin-bottom: var(--spacing-4);
  transition: all var(--transition-fast);
}

.upload-zone:hover {
  border-color: var(--primary-500);
  background: var(--primary-50);
}

.upload-zone i {
  font-size: 2.5rem;
  color: var(--gray-400);
  margin-bottom: var(--spacing-2);
}

.upload-zone p {
  margin-bottom: var(--spacing-1);
}

.upload-zone span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.notes-panel {
  position: fixed;
  right: -400px;
  top: 64px;
  bottom: 0;
  width: 400px;
  background: white;
  box-shadow: var(--shadow-xl);
  transition: right var(--transition-normal);
  z-index: 99;
  display: flex;
  flex-direction: column;
}

.notes-panel.open {
  right: 0;
}

.notes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--gray-200);
}

.notes-header h3 {
  margin: 0;
}

.notes-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-4);
}

.note-form {
  margin-bottom: var(--spacing-6);
}

.note-form textarea {
  width: 100%;
  margin-bottom: var(--spacing-2);
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.note-item {
  background: var(--gray-50);
  padding: var(--spacing-3);
  border-radius: var(--radius-lg);
  position: relative;
}

.note-time {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-bottom: var(--spacing-2);
}

.note-item p {
  margin: 0;
  font-size: 0.9rem;
}

.note-item .btn-icon {
  position: absolute;
  top: var(--spacing-2);
  right: var(--spacing-2);
  width: 28px;
  height: 28px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.note-item:hover .btn-icon {
  opacity: 1;
}

.no-notes {
  text-align: center;
  color: var(--gray-500);
  padding: var(--spacing-6);
}

/* ============================================
   Certificate Page
   ============================================ */
.cert-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

.certificate-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.cert-preview {
  position: relative;
  cursor: pointer;
}

.cert-thumbnail {
  height: 200px;
  background: linear-gradient(135deg, #1e4976 0%, #0ea5e9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-mock {
  text-align: center;
  color: white;
}

.cert-badge {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-3);
  font-size: 1.75rem;
}

.cert-mock h4 {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-1);
}

.cert-mock p {
  font-size: 0.8rem;
  opacity: 0.8;
  max-width: 200px;
}

.cert-mock .cert-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: var(--spacing-3);
}

.cert-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.cert-preview:hover .cert-overlay {
  opacity: 1;
}

.cert-overlay i {
  font-size: 2rem;
  margin-bottom: var(--spacing-2);
}

.cert-info {
  padding: var(--spacing-4);
}

.cert-type {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.cert-type.completion {
  background: var(--primary-100);
  color: var(--primary-700);
}

.cert-type.achievement {
  background: var(--warning-light);
  color: var(--warning);
}

.cert-info h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-2);
}

.cert-date,
.cert-id {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: var(--spacing-1);
}

.cert-actions {
  display: flex;
  gap: var(--spacing-2);
  padding: 0 var(--spacing-4) var(--spacing-4);
}

/* Certificate Preview Modal */
.cert-preview-full {
  padding: var(--spacing-4);
}

.certificate-document {
  background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
  border: 2px solid var(--primary-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.cert-header {
  margin-bottom: var(--spacing-6);
}

.cert-logo {
  margin-bottom: var(--spacing-4);
}

.cert-header h2 {
  font-size: 1.75rem;
  color: var(--primary-700);
  letter-spacing: 4px;
}

.cert-subtitle {
  color: var(--gray-500);
}

.cert-body {
  margin-bottom: var(--spacing-8);
}

.cert-text {
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.cert-recipient {
  font-size: 2rem;
  color: var(--primary-600);
  font-style: italic;
  margin: var(--spacing-4) 0;
}

.cert-course {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2);
}

.cert-tutor {
  color: var(--gray-500);
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
}

.cert-date-box,
.cert-id-box {
  text-align: center;
}

.cert-date-box p,
.cert-id-box p {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-bottom: 4px;
}

.cert-qr img {
  border-radius: var(--radius-md);
}

.cert-signature {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.signature-item {
  text-align: center;
}

.signature-line {
  width: 150px;
  height: 1px;
  background: var(--gray-400);
  margin-bottom: var(--spacing-2);
}

.signature-item p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.cert-seal {
  font-size: 3rem;
  color: var(--primary-300);
}

.cert-preview-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
}

/* Share Options */
.share-options {
  text-align: center;
}

.share-options h3 {
  margin-bottom: var(--spacing-4);
}

.share-link {
  display: flex;
  margin-bottom: var(--spacing-4);
}

.share-link input {
  flex: 1;
  padding: var(--spacing-3);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.share-link button {
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--primary-500);
  color: white;
  border: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  cursor: pointer;
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3);
}

.share-btn {
  padding: var(--spacing-3) var(--spacing-4);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.share-btn.linkedin {
  background: #0077b5;
}
.share-btn.twitter {
  background: #1da1f2;
}
.share-btn.facebook {
  background: #4267b2;
}
.share-btn.whatsapp {
  background: #25d366;
}

/* Verify Page */
.verify-page {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 60px;
}

.verify-card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
}

.verify-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.verify-header i {
  font-size: 3rem;
  color: var(--primary-500);
  margin-bottom: var(--spacing-3);
}

.verify-form {
  text-align: center;
}

.verify-form p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-4);
}

.verify-result {
  text-align: center;
  padding: var(--spacing-6);
}

.verify-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-4);
}

.verify-result.success .verify-icon {
  color: var(--success);
}

.verify-result.error .verify-icon {
  color: var(--error);
}

.cert-details {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  margin: var(--spacing-6) 0;
  text-align: left;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-2) 0;
  border-bottom: 1px solid var(--gray-200);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-row span {
  color: var(--gray-500);
}

.verify-note {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-top: var(--spacing-4);
}

/* ============================================
   Tutor Marketplace Page
   ============================================ */
.marketplace-hero {
  padding: 100px 0 60px;
  background: var(--gradient-primary);
  color: white;
}

.marketplace-hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.marketplace-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-4);
}

.marketplace-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-6);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-6);
}

.hero-stats .stat-item .stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
}

.hero-stats .stat-item .stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

.tutor-search-box {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.tutor-search-box input {
  flex: 1;
  border: none;
  padding: var(--spacing-4) var(--spacing-6);
}

.tutor-search-box button {
  background: var(--primary-500);
  border: none;
  padding: 0 var(--spacing-6);
  color: white;
  cursor: pointer;
}

.marketplace-content {
  padding: var(--spacing-8) 0 var(--spacing-16);
}

.marketplace-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-8);
}

.marketplace-filters {
  background: white;
  padding: var(--spacing-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-4);
}

.filter-header h3 {
  margin: 0;
}

.filter-header button {
  background: none;
  border: none;
  color: var(--primary-500);
  cursor: pointer;
  font-size: 0.9rem;
}

.filter-section {
  margin-bottom: var(--spacing-5);
}

.filter-section h4 {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: var(--spacing-3);
}

.tutors-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-6);
}

.tutors-header h2 {
  margin: 0;
}

.sort-select {
  padding: var(--spacing-2) var(--spacing-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
}

.tutors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.tutor-card {
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.tutor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.tutor-card-header {
  position: relative;
  padding: var(--spacing-5);
  text-align: center;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
}

.tutor-avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  border: 4px solid white;
  margin: 0 auto var(--spacing-3);
  box-shadow: var(--shadow-md);
}

.verified-badge {
  position: absolute;
  top: var(--spacing-3);
  right: var(--spacing-3);
  background: var(--success);
  color: white;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.tutor-card-header h3 {
  margin-bottom: var(--spacing-1);
}

.tutor-expertise {
  color: var(--primary-500);
  font-size: 0.9rem;
}

.tutor-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  padding: var(--spacing-3);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.tutor-card-stats .stat-item {
  padding: var(--spacing-2);
}

.tutor-card-stats .stat-value {
  display: block;
  font-weight: 700;
  color: var(--primary-600);
}

.tutor-card-stats .stat-label {
  font-size: 0.75rem;
  color: var(--gray-500);
}

.tutor-card-body {
  padding: var(--spacing-4);
}

.tutor-bio {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-3);
  display: -webkit-box;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tutor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-4);
}

.tutor-tag {
  background: var(--gray-100);
  padding: 2px 8px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--gray-600);
}

.tutor-card-footer {
  display: flex;
  gap: var(--spacing-2);
}

.become-tutor-cta {
  padding: var(--spacing-16) 0;
  background: var(--gray-50);
}

.become-tutor-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

/* Modern Tutor Marketplace UI */
.tutor-marketplace-hero {
  padding: 112px 0 52px;
  background: linear-gradient(
    140deg,
    rgba(5, 70, 143, 0.96),
    rgba(10, 117, 200, 0.92)
  );
  color: #fff;
}

.tutor-marketplace-hero h1 {
  margin-bottom: var(--spacing-2);
}

.tutor-marketplace-hero p {
  margin-bottom: var(--spacing-5);
  color: rgba(255, 255, 255, 0.9);
}

.tutor-search-box {
  position: relative;
}

.tutor-search-box i {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
}

.tutor-search-box input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 14px 16px 14px 44px;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.95);
}

.tutor-stats-row {
  margin-top: var(--spacing-6);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-4);
}

.tutor-stat-item {
  border-radius: 16px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(6px);
  text-align: center;
}

.tutor-stat-item .stat-number {
  display: block;
  font-size: 1.24rem;
  font-weight: 700;
}

.tutor-stat-item .stat-label {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.84rem;
}

.tutor-marketplace-content {
  padding: var(--spacing-8) 0 var(--spacing-16);
}

.tutor-marketplace-layout {
  display: grid;
  grid-template-columns: minmax(240px, 270px) minmax(0, 1fr);
  gap: var(--spacing-6);
  align-items: start;
}

.tutor-filters {
  background: #fff;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-5);
  position: sticky;
  top: 88px;
}

.tutor-results {
  min-width: 0;
}

.tutor-results-header {
  margin-bottom: var(--spacing-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-3);
}

.results-count {
  font-weight: 600;
  color: var(--gray-700);
}

.sort-options {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.sort-options label {
  font-size: 0.88rem;
  color: var(--gray-600);
}

.form-select {
  min-width: 180px;
}

.tutor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.tutor-rating {
  margin-top: var(--spacing-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  font-weight: 700;
  color: #f59e0b;
}

.tutor-name {
  margin-bottom: var(--spacing-2);
}

.tutor-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--spacing-3);
}

.expertise-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(7, 95, 173, 0.14);
  background: rgba(7, 95, 173, 0.08);
  color: var(--primary-700);
  font-size: 0.76rem;
  font-weight: 600;
}

.tutor-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: var(--spacing-3);
}

.tutor-stat {
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
  padding: 9px 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-700);
}

.tutor-grade-chip {
  position: absolute;
  left: var(--spacing-3);
  top: var(--spacing-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.tutor-grade-note {
  margin-top: var(--spacing-3);
  border-top: 1px dashed var(--gray-200);
  padding-top: var(--spacing-3);
  display: inline-flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--gray-600);
  font-size: 0.82rem;
}

.grade-bronze {
  background: rgba(176, 114, 62, 0.14);
  color: #8a4a25;
}

.grade-silver {
  background: rgba(126, 140, 163, 0.2);
  color: #485468;
}

.grade-gold {
  background: rgba(255, 204, 51, 0.2);
  color: #9e6a00;
}

.grade-platinum {
  background: rgba(101, 143, 255, 0.2);
  color: #1d439f;
}

/* ============================================
   Tutor Profile Page
   ============================================ */
.tutor-profile-hero {
  padding: 100px 0 0;
  background: var(--gradient-primary);
  color: white;
}

.profile-hero-content {
  display: flex;
  gap: var(--spacing-8);
  align-items: flex-end;
  padding-bottom: var(--spacing-8);
}

.profile-avatar {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-full);
  border: 6px solid white;
  box-shadow: var(--shadow-xl);
}

.profile-info h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-1);
}

.profile-expertise {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-2);
}

.profile-location {
  opacity: 0.8;
  margin-bottom: var(--spacing-4);
}

.profile-stats {
  display: flex;
  gap: var(--spacing-8);
}

.profile-stats .stat-item .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.profile-stats .stat-item .stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.tutor-profile-content {
  padding: var(--spacing-8) 0 var(--spacing-16);
}

.profile-layout {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--spacing-8);
}

.profile-main .tabs-nav {
  display: flex;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-6);
  background: var(--gray-100);
  padding: var(--spacing-1);
  border-radius: var(--radius-lg);
}

.profile-main .tab-nav-btn {
  flex: 1;
  padding: var(--spacing-3);
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--gray-600);
  transition: all var(--transition-fast);
}

.profile-main .tab-nav-btn.active {
  background: white;
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
}

.profile-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact-card {
  background: white;
  padding: var(--spacing-5);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.contact-card h3 {
  margin-bottom: var(--spacing-4);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.profile-classes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

.about-section {
  margin-bottom: var(--spacing-6);
}

.about-section h3 {
  margin-bottom: var(--spacing-3);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.skill-tag {
  background: var(--primary-50);
  color: var(--primary-600);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
}

.education-item,
.experience-item {
  padding: var(--spacing-4);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-3);
}

.edu-degree,
.exp-role {
  font-weight: 600;
  margin-bottom: 4px;
}

.edu-school,
.exp-company {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.edu-year,
.exp-period {
  color: var(--gray-500);
  font-size: 0.85rem;
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.review-card {
  background: white;
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-3);
}

.reviewer-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.reviewer-info img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
}

.reviewer-name {
  font-weight: 600;
}

.review-course {
  font-size: 0.85rem;
  color: var(--gray-500);
}

.review-rating {
  color: var(--warning);
}

.review-content {
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.review-date {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ============================================
   Pricing Page
   ============================================ */
.pricing-hero-section {
  padding: 108px 0 44px;
  background: linear-gradient(
    145deg,
    rgba(2, 57, 117, 0.98),
    rgba(8, 104, 184, 0.92)
  );
  color: #fff;
}

.pricing-hero-shell {
  max-width: 920px;
}

.pricing-hero-title {
  margin-bottom: var(--spacing-3);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  line-height: 1.15;
}

.pricing-hero-subtitle {
  color: rgba(255, 255, 255, 0.9);
  max-width: 760px;
}

.pricing-hero-pill-row {
  margin-top: var(--spacing-5);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pricing-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 600;
}

.pricing-plans-section {
  padding: 56px 0;
}

.pricing-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-5);
}

.pricing-plan-card {
  position: relative;
  border-radius: 22px;
  border: 1px solid var(--gray-200);
  background: #fff;
  box-shadow: var(--shadow-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.pricing-plan-card.is-popular {
  border-color: rgba(8, 104, 184, 0.3);
  box-shadow: 0 24px 48px -36px rgba(8, 104, 184, 0.62);
}

.pricing-popular-tag {
  position: absolute;
  top: -11px;
  right: 16px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--primary-600);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
}

.pricing-plan-head h3 {
  margin-bottom: 4px;
}

.pricing-plan-head p {
  margin: 0;
  color: var(--gray-600);
  min-height: 40px;
}

.pricing-plan-price-row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.pricing-plan-price {
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--gray-900);
}

.pricing-plan-period {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.pricing-plan-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.pricing-plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--gray-700);
  font-size: 0.92rem;
}

.pricing-plan-features i {
  margin-top: 2px;
  color: var(--primary-600);
}

.pricing-grade-section {
  padding: 56px 0;
}

.pricing-grade-table-wrap {
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--gray-200);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.pricing-grade-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 460px;
}

.pricing-grade-table th,
.pricing-grade-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-200);
  vertical-align: middle;
  text-align: left;
}

.pricing-grade-table th {
  background: var(--gray-50);
  color: var(--gray-700);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.pricing-grade-table tr:last-child td {
  border-bottom: none;
}

.pricing-grade-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.pricing-cta-band {
  padding: 0 0 64px;
}

.pricing-cta-shell {
  border-radius: 24px;
  border: 1px solid rgba(7, 95, 173, 0.14);
  background: linear-gradient(
    150deg,
    rgba(255, 255, 255, 0.96),
    rgba(235, 246, 255, 0.92)
  );
  padding: clamp(20px, 3vw, 34px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-5);
}

.pricing-cta-shell h3 {
  margin-bottom: var(--spacing-2);
}

.pricing-cta-shell p {
  margin: 0;
  color: var(--gray-600);
}

.pricing-cta-actions {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ============================================
   Responsive for New Pages
   ============================================ */
@media (max-width: 1024px) {
  .marketplace-layout,
  .profile-layout,
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .marketplace-filters,
  .profile-sidebar {
    position: static;
    order: -1;
  }

  .tutors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .smart-learning-grid,
  .smart-tutor-grid,
  .ai-tutor-grid {
    grid-template-columns: 1fr;
  }

  .ai-tutor-hero {
    grid-template-columns: 1fr;
  }

  .faq-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .vision-mission-grid,
  .tutor-hero-grid,
  .become-tutor-content,
  .income-calculator,
  .ticket-wrapper {
    grid-template-columns: 1fr;
  }

  .stats-grid-4,
  .features-grid-3,
  .how-it-works-grid,
  .team-grid,
  .benefits-grid,
  .testimonials-slider,
  .requirements-grid,
  .guides-grid,
  .policies-grid,
  .contact-grid,
  .certificates-grid,
  .cert-stats-grid,
  .tutors-grid,
  .profile-classes-grid,
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .quick-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .featured-post {
    grid-template-columns: 1fr;
  }

  .featured-image {
    height: 250px;
  }

  .profile-hero-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile-stats {
    justify-content: center;
  }

  .learning-sidebar {
    position: fixed;
    left: -100%;
    top: 64px;
    bottom: 0;
    z-index: 98;
    transition: left var(--transition-normal);
  }

  .learning-sidebar.open {
    left: 0;
  }

  .how-step:not(:last-child)::after {
    display: none;
  }

  .feature-grid-2x3,
  .momentum-grid,
  .skill-radar-shell,
  .support-shell,
  .flex-learn-hero,
  .smart-score-panel,
  .smart-tutor-health {
    grid-template-columns: 1fr;
  }

  .smart-score-panel,
  .smart-tutor-health {
    display: grid;
  }

  .smart-command-actions {
    justify-content: flex-start;
  }

  .skill-radar-chart {
    max-width: 220px;
    margin: 0 auto;
  }

  .form-grid-2,
  .upload-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .tutor-marketplace-layout {
    grid-template-columns: 1fr;
  }

  .tutor-filters {
    position: static;
  }

  .pricing-plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .tutor-stats-row,
  .pricing-plan-grid {
    grid-template-columns: 1fr;
  }

  .tutor-results-header,
  .sort-options,
  .pricing-cta-shell {
    flex-direction: column;
    align-items: stretch;
  }

  .pricing-cta-actions {
    width: 100%;
    justify-content: stretch;
  }

  .pricing-cta-actions .btn {
    width: 100%;
  }
}