/* ============================================
   AI Workshops for Teachers — Page-Specific Styles
   Extends the Platynum design system (styles.css)
   Prefix: ai-
   ============================================ */

/* ============ ACTIVE NAV ============ */
.nav-active {
  color: var(--mint-600) !important;
  font-weight: 700 !important;
}

/* ============================================================
   HERO
   ============================================================ */
.ai-hero {
  position: relative;
  min-height: 92vh;
  background: var(--bg-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.ai-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(14,26,22,0.97) 40%, rgba(14,26,22,0.65) 100%),
    radial-gradient(ellipse 60% 70% at 82% 38%, rgba(72,192,136,0.12), transparent 65%),
    radial-gradient(ellipse 40% 50% at 6% 85%, rgba(47,168,112,0.07), transparent 55%);
  z-index: 1;
}

.ai-hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, #000 10%, transparent 80%);
}

.ai-hero-inner {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
  width: 100%;
}

/* ---- EYEBROW ---- */
.ai-eyebrow {
  background: rgba(72,192,136,0.1) !important;
  border-color: rgba(72,192,136,0.22) !important;
  color: var(--mint-300) !important;
  margin-bottom: 36px;
}

/* ---- H1 ---- */
.ai-h1 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -2.5px;
  color: #fff;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: aiLineIn 0.8s cubic-bezier(0.2,0.8,0.2,1) forwards;
}
.ai-line-1 { animation-delay: 0.15s; }
.ai-line-2 { animation-delay: 0.28s; }
.ai-line-3 { animation-delay: 0.41s; }

@keyframes aiLineIn {
  to { opacity: 1; transform: translateY(0); }
}

.ai-italic {
  font-style: italic;
  color: var(--mint-400);
}

/* ---- LEAD ---- */
.ai-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.78;
  max-width: 520px;
  margin-bottom: 36px;
}
.ai-lead em {
  color: rgba(255,255,255,0.95);
  font-style: normal;
  font-weight: 600;
}

/* ---- ACTIONS ---- */
.ai-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.ai-ghost-light {
  color: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 13px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}
.ai-ghost-light:hover {
  border-color: var(--mint-400);
  color: var(--mint-400);
}

/* ---- CHIPS ---- */
.ai-chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.ai-chip {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 10px 18px;
}
.ai-chip-accent {
  background: rgba(72,192,136,0.1);
  border-color: rgba(72,192,136,0.22);
}
.ai-chip-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.ai-chip-accent .ai-chip-val {
  color: var(--mint-400);
}
.ai-chip-label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

/* ============================================================
   HERO VISUAL — TEACHER PHOTO
   ============================================================ */
.ai-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

@keyframes aiCardFadeIn {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ai-photo-frame {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(72,192,136,0.2);
  box-shadow:
    0 0 0 6px rgba(72,192,136,0.05),
    0 32px 80px rgba(0,0,0,0.5);
  animation: aiCardFadeIn 0.9s cubic-bezier(0.2,0.8,0.2,1) 0.3s both;
}

.ai-teacher-photo {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.ai-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(14,26,22,0.55) 0%,
    transparent 50%
  );
}

/* Floating badge */
.ai-visual-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(14,26,22,0.75);
  border: 1px solid rgba(72,192,136,0.25);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 10px;
  padding: 10px 16px;
  animation: aiCardFadeIn 0.9s cubic-bezier(0.2,0.8,0.2,1) 0.8s both;
}
.ai-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(72,192,136,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint-400);
  flex-shrink: 0;
}
.ai-visual-badge strong { display: block; font-size: 0.85rem; color: #fff; }
.ai-visual-badge small  { font-size: 0.7rem; color: rgba(255,255,255,0.4); }

/* ============================================================
   PROBLEM
   ============================================================ */
.ai-problem {
  position: relative;
  padding: 120px 0;
  background: var(--bg-dark);
}

.ai-problem-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 65% 55% at 50% 100%, rgba(72,192,136,0.05), transparent 70%);
}

.ai-problem-head {
  text-align: center;
  margin-bottom: 64px;
}

.ai-dark-tag {
  background: rgba(255,255,255,0.07) !important;
  color: rgba(255,255,255,0.55) !important;
}

.ai-problem-h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #fff;
  font-weight: 400;
  line-height: 1.25;
  margin-top: 16px;
}
.ai-problem-h2 em {
  font-style: italic;
  color: var(--mint-400);
}

.ai-problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.ai-prob-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 32px;
}
.ai-prob-card-accent {
  background: rgba(72,192,136,0.05);
  border-color: rgba(72,192,136,0.14);
}

.ai-prob-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.2);
  margin-bottom: 16px;
}
.ai-prob-card-accent .ai-prob-num { color: rgba(72,192,136,0.35); }

.ai-prob-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}
.ai-prob-icon-accent {
  background: rgba(72,192,136,0.12);
  color: var(--mint-400);
}

.ai-prob-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.ai-prob-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.58);
  line-height: 1.72;
  margin: 0;
}

.ai-problem-closing {
  text-align: center;
  padding: 28px 40px;
  border-radius: 12px;
  border: 1px solid rgba(72,192,136,0.14);
  background: rgba(72,192,136,0.04);
}
.ai-problem-closing p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  font-style: italic;
  margin: 0;
}

/* ============================================================
   SOLUTION
   ============================================================ */
.ai-solution {
  padding: 120px 0;
  background: #f5faf7;
}

.ai-sol-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: center;
  margin-top: 56px;
}

.ai-sol-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}
.ai-sol-card-accent {
  background: var(--bg-dark);
  border-color: rgba(72,192,136,0.2);
}
.ai-sol-card-accent h3 { color: #fff !important; }
.ai-sol-card-accent p  { color: rgba(255,255,255,0.62) !important; }

.ai-sol-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mint-500);
  margin-bottom: 16px;
}
.ai-sol-card-accent .ai-sol-num { color: var(--mint-400); }

.ai-sol-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.ai-sol-icon-1 { background: rgba(72,192,136,0.1);  color: var(--mint-500); }
.ai-sol-icon-2 { background: rgba(59,130,246,0.1);  color: #3b82f6; }
.ai-sol-icon-3 { background: rgba(72,192,136,0.18); color: var(--mint-400); }

.ai-sol-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: #1a2e25;
  margin-bottom: 12px;
}
.ai-sol-card p {
  font-size: 0.88rem;
  color: rgba(0,0,0,0.58);
  line-height: 1.72;
  margin: 0;
}

.ai-sol-arrow {
  color: rgba(0,0,0,0.18);
  padding: 0 16px;
  flex-shrink: 0;
}

/* ============================================================
   MODULES BENTO
   ============================================================ */
.ai-modules-section {
  padding: 120px 0;
  background: var(--bg-dark);
}

.ai-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.ai-bento-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 36px;
  position: relative;
  transition: border-color 0.25s, background 0.25s;
}
.ai-bento-card:hover {
  border-color: rgba(72,192,136,0.2);
  background: rgba(255,255,255,0.055);
}

.ai-bento-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(72,192,136,0.07), rgba(47,168,112,0.03));
  border-color: rgba(72,192,136,0.14);
}

.ai-bento-dark {
  background: rgba(0,0,0,0.28);
  border-color: rgba(255,255,255,0.06);
}

.ai-bento-mint {
  background: linear-gradient(135deg, var(--mint-400), var(--mint-500));
  border-color: transparent;
}
.ai-bento-mint h3,
.ai-bento-mint p { color: var(--bg-dark) !important; }

.ai-bento-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint-400);
  background: rgba(72,192,136,0.1);
  border: 1px solid rgba(72,192,136,0.18);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.ai-bento-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.ai-bento-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.22);
}

.ai-bento-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint-400);
}
.ai-bento-icon-light { background: rgba(255,255,255,0.1);     color: rgba(255,255,255,0.82); }
.ai-bento-icon-dark  { background: rgba(14,26,22,0.18);        color: var(--bg-dark); }

.ai-bento-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.ai-bento-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.58);
  line-height: 1.72;
  margin: 0;
}
.ai-bento-featured p { max-width: 660px; }

.ai-bento-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.ai-bento-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(72,192,136,0.9);
  background: rgba(72,192,136,0.1);
  border: 1px solid rgba(72,192,136,0.14);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.ai-how {
  position: relative;
  padding: 120px 0;
}

.ai-how-bg {
  position: absolute;
  inset: 0;
  background: var(--bg-dark);
}

.ai-how-container {
  position: relative;
  z-index: 1;
}

.ai-how-h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: #fff;
  font-weight: 400;
  line-height: 1.25;
  margin-top: 16px;
}
.ai-how-h2 em {
  font-style: italic;
  color: var(--mint-400);
}

.ai-how-list {
  display: flex;
  flex-direction: column;
  margin-top: 64px;
}

.ai-how-item {
  display: grid;
  grid-template-columns: 72px 1fr 300px;
  gap: 40px;
  align-items: start;
  padding-bottom: 64px;
}
.ai-how-item-last { padding-bottom: 0; }

.ai-how-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ai-how-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(72,192,136,0.12);
  border: 2px solid rgba(72,192,136,0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--mint-400);
  flex-shrink: 0;
}
.ai-how-num-2 {
  background: rgba(59,130,246,0.1);
  border-color: rgba(59,130,246,0.25);
  color: #60a5fa;
}
.ai-how-num-3 {
  background: rgba(72,192,136,0.18);
  border-color: rgba(72,192,136,0.38);
  color: var(--mint-400);
}

.ai-how-line {
  width: 2px;
  flex: 1;
  min-height: 80px;
  background: linear-gradient(to bottom, rgba(72,192,136,0.18), rgba(72,192,136,0.03));
  margin-top: 8px;
}

.ai-how-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mint-400);
  background: rgba(72,192,136,0.1);
  border: 1px solid rgba(72,192,136,0.14);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.ai-how-badge-2 {
  color: #60a5fa;
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.14);
}
.ai-how-badge-3 {
  color: var(--mint-400);
  background: rgba(72,192,136,0.1);
  border-color: rgba(72,192,136,0.18);
}

.ai-how-content h3 {
  font-size: 1.28rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.ai-how-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.58);
  line-height: 1.75;
  margin-bottom: 20px;
}

.ai-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ai-check-list li {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.62);
  padding-left: 20px;
  position: relative;
}
.ai-check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--mint-400);
  font-weight: 700;
  font-size: 0.78rem;
}

/* How it works visual cards */
.ai-how-visual {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 22px;
}
.ai-how-visual-2 {
  background: rgba(59,130,246,0.04);
  border-color: rgba(59,130,246,0.1);
}
.ai-how-visual-3 {
  background: rgba(72,192,136,0.04);
  border-color: rgba(72,192,136,0.13);
}

.ai-vis-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}

/* Assessment rows */
.ai-assess-rows { display: flex; flex-direction: column; gap: 10px; }
.ai-assess-row  { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; }
.ai-assess-dot  { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ai-dot-yellow  { background: #f59e0b; }
.ai-dot-red     { background: #ef4444; }
.ai-assess-key  { flex: 1; color: rgba(255,255,255,0.45); }
.ai-assess-val  { font-weight: 700; font-size: 0.78rem; }
.ai-val-yellow  { color: #f59e0b; }
.ai-val-red     { color: #ef4444; }

/* Schedule rows */
.ai-sched-rows { display: flex; flex-direction: column; gap: 0; }
.ai-sched-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  padding: 9px 0;
  border-bottom: 1px solid rgba(59,130,246,0.07);
}
.ai-sched-row:last-child { border-bottom: none; }
.ai-sched-row span  { color: rgba(255,255,255,0.4); }
.ai-sched-row strong { color: rgba(255,255,255,0.82); font-weight: 600; font-size: 0.79rem; }

/* After-workshop rows */
.ai-after-rows { display: flex; flex-direction: column; gap: 12px; }
.ai-after-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}
.ai-after-row span { color: rgba(255,255,255,0.45); }
.ai-after-val { color: var(--mint-400); font-weight: 700; }

/* ============================================================
   BENEFITS: FOR TEACHERS / FOR SCHOOLS
   ============================================================ */
.ai-ben {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ai-ben-teachers {
  background: #f4faf7;
  padding: 100px 80px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}
.ai-ben-schools {
  background: var(--bg-dark);
  padding: 100px 80px;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.ai-ben-inner { max-width: 480px; width: 100%; }

.ai-ben-h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  font-weight: 400;
  line-height: 1.25;
  color: #1a2e25;
  margin: 16px 0 36px;
}
.ai-ben-h2 em { font-style: italic; color: var(--mint-500); }

.ai-ben-h2-dark {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  font-weight: 400;
  line-height: 1.25;
  color: #fff;
  margin: 16px 0 36px;
}
.ai-ben-h2-dark em { font-style: italic; color: var(--mint-400); }

.ai-ben-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.ai-ben-list li { display: flex; gap: 14px; align-items: flex-start; }

.ai-ben-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(72,192,136,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint-500);
  flex-shrink: 0;
  margin-top: 1px;
}
.ai-ben-icon-mint {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(72,192,136,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint-400);
  flex-shrink: 0;
  margin-top: 1px;
}

.ai-ben-list strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 700;
  color: #1a2e25;
  margin-bottom: 4px;
}
.ai-ben-list-dark strong { color: #fff !important; }

.ai-ben-list p {
  font-size: 0.85rem;
  color: rgba(0,0,0,0.55);
  line-height: 1.65;
  margin: 0;
}
.ai-ben-list-dark p { color: rgba(255,255,255,0.48) !important; }

/* ============================================================
   CLASSROOM SHOWCASE
   ============================================================ */
.ai-showcase {
  position: relative;
  height: 480px;
  overflow: hidden;
}

.ai-showcase-img {
  position: absolute;
  inset: 0;
}
.ai-showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.ai-showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(14,26,22,0.88) 0%,
    rgba(14,26,22,0.65) 50%,
    rgba(14,26,22,0.45) 100%
  );
}

.ai-showcase-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
}

.ai-showcase-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.ai-sc-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ai-sc-val {
  font-family: var(--sans);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--mint-400);
  line-height: 1;
  letter-spacing: -1px;
}
.ai-sc-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  max-width: 160px;
  line-height: 1.4;
}

.ai-sc-divider {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.ai-showcase-quote {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  color: rgba(255,255,255,0.75);
  border-left: 3px solid var(--mint-400);
  padding-left: 20px;
  max-width: 580px;
  margin: 0;
  line-height: 1.55;
}

/* How it works photo visual */
.ai-how-visual-photo {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.ai-how-photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}
.ai-how-photo-caption {
  padding: 10px 14px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.38);
  background: rgba(0,0,0,0.3);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ============================================================
   TESTIMONIAL
   ============================================================ */
.ai-testimonial {
  position: relative;
  padding: 120px 0;
  background: var(--bg-dark);
}
.ai-testimonial-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 60% at 50% 50%, rgba(72,192,136,0.05), transparent 70%);
}

.ai-t-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.ai-t-quote-mark {
  color: rgba(72,192,136,0.14);
  margin-bottom: 32px;
  display: block;
}

.ai-t-inner blockquote {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
  font-weight: 400;
  font-style: italic;
  color: rgba(255,255,255,0.86);
  line-height: 1.68;
  margin: 0 0 40px;
}

.ai-t-person {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.ai-t-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(72,192,136,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint-400);
}

.ai-t-person strong { display: block; font-size: 0.9rem; color: #fff; font-weight: 700; }
.ai-t-person span   { font-size: 0.78rem; color: rgba(255,255,255,0.42); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .ai-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-bottom: 100px;
    gap: 48px;
  }
  .ai-hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .ai-lead { max-width: 600px; }
  .ai-hero-visual { justify-content: center; }
  .ai-photo-frame { max-width: 100%; }
  .ai-teacher-photo { height: 400px; }
  .ai-sol-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .ai-sol-arrow { display: none; }
  .ai-ben { grid-template-columns: 1fr; }
  .ai-ben-teachers,
  .ai-ben-schools { padding: 80px 48px; justify-content: flex-start; }
  .ai-ben-inner { max-width: 100%; }
}

@media (max-width: 900px) {
  .ai-problem-cards { grid-template-columns: 1fr; }
  .ai-bento { grid-template-columns: 1fr; }
  .ai-bento-featured { grid-column: span 1; }
  .ai-how-item { grid-template-columns: 48px 1fr; }
  .ai-how-visual { display: none; }
  .ai-showcase { height: auto; padding: 64px 0; }
  .ai-showcase-stats { gap: 24px; }
  .ai-sc-divider { display: none; }
}

@media (max-width: 640px) {
  .ai-ben-teachers,
  .ai-ben-schools { padding: 64px 24px; }
  .ai-chips { flex-wrap: wrap; }
  .ai-problem-closing { padding: 24px 20px; }
}