/* ================= HERO ================= */
.hero{
  padding:72px 6% 64px;
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px;
  align-items:center; max-width:1280px; margin:0 auto;
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.85rem; font-weight:600; letter-spacing:0.5px;
  color:var(--indigo); background:#ffffff;
  box-shadow:0 4px 14px rgba(79, 70, 229, 0.12), 0 0 0 1px rgba(79, 70, 229, 0.15);
  padding:8px 18px; border-radius:999px; margin-bottom:28px;
}
.hero-eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--indigo); }
.hero h1{
  font-size:clamp(2.5rem, 5vw, 3.8rem); font-weight:800; line-height:1.1;
  letter-spacing:-1.2px; color:#0F172A; margin-bottom:24px;
}
.hero h1 em{
  font-style:normal;
  color:var(--indigo);
  position:relative;
  display:inline-block;
  z-index:1;
}
.hero h1 em::after{
  content:'';
  position:absolute;
  left:-2%; bottom:6%;
  width:104%; height:28%;
  background:var(--indigo-100);
  z-index:-1;
  border-radius:4px;
  transform:rotate(-1.5deg);
}
.hero-sub{
  font-size:1.15rem; color:#475569; line-height:1.7;
  max-width:540px; margin-bottom:38px;
}
.hero-sub strong{
  color:var(--indigo); font-weight:700;
}
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom:36px; }

.hero-proof{ display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
.proof-avatars{ display:flex; }
.proof-avatars span{
  width:32px; height:32px; border-radius:50%; border:2px solid var(--bg);
  margin-left:-9px; display:flex; align-items:center; justify-content:center;
  font-size:0.68rem; font-weight:700; color:#fff;
}
.proof-avatars span:first-child{ margin-left:0; }
.hero-proof-text{ font-size:0.85rem; color:var(--slate); }
.hero-proof-text strong{ color:var(--ink); }

.hero-visual{ position:relative; }
.hero-visual svg{ width:100%; height:auto; }

/* Stat strip below hero */
.stat-strip{
  padding:64px 6%;
  display:grid; grid-template-columns:repeat(4,1fr); gap:32px;
  background:var(--indigo);
  position:relative; overflow:hidden;
  border:none;
}
.stat-strip::before{
  content:''; position:absolute; top:-50%; left:-10%; width:120%; height:200%;
  background:radial-gradient(circle at top left, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events:none;
}
.stat-item{ text-align:center; padding:0 12px; border-right:1px solid rgba(255,255,255,0.15); position:relative; z-index:1;}
.stat-item:last-child{ border-right:none; }
.stat-num{ font-family:'Lexend',sans-serif; font-size:3.2rem; font-weight:800; color:#ffffff; margin-bottom:8px; letter-spacing:-1.5px;}
.stat-lbl{ font-size:0.85rem; font-weight:600; color:var(--indigo-100); text-transform:uppercase; letter-spacing:1px; margin-top:0;}

/* ================= SECTION SHARED ================= */
section{ padding:88px 6%; }
.section-inner{ max-width:1280px; margin:0 auto; }
.section-head{ max-width:640px; margin-bottom:48px; }
.eyebrow{
  font-size:0.75rem; font-weight:700; letter-spacing:1.2px; text-transform:uppercase;
  color:var(--indigo); margin-bottom:10px;
}
.section-title{
  font-size:clamp(1.6rem, 2.6vw, 2.2rem); font-weight:700; letter-spacing:-0.5px;
  color:var(--ink); line-height:1.25; margin-bottom:12px;
}
.section-sub{ color:var(--ink-soft); font-size:0.98rem; line-height:1.65; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ================= HOW IT WORKS ================= */
.how-section{ 
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%); 
  position: relative; overflow: hidden;
}
.how-grid{ 
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px; 
  counter-reset: how-counter;
}
.how-card{ 
  background: #ffffff; 
  padding: 48px 36px; 
  border-radius: 24px;
  border:1px solid #E2E8F0;
  box-shadow: 0 4px 12px rgba(15,23,42,0.02);
  position: relative;
  z-index: 1;
  counter-increment: how-counter;
  transition:transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.how-card:hover{
  transform:translateY(-8px);
  border-color:#C7D2FE;
  box-shadow:0 16px 32px rgba(15,23,42,0.08);
}
.how-card::after {
  content: counter(how-counter, decimal-leading-zero);
  position: absolute;
  top: -10px; right: 10px;
  font-size: 6rem; font-weight: 800;
  color: rgba(79, 70, 229, 0.04);
  z-index: -1; pointer-events: none;
  font-family: 'Lexend', sans-serif;
}
.how-icon{ width:80px; height:80px; margin-bottom:24px; }
.how-card h3{ font-size:1.2rem; font-weight:700; margin-bottom:12px; color:#0F172A; }
.how-card p{ color:#475569; font-size:0.95rem; line-height:1.65; margin:0;}

/* ================= SUBJECTS (full courses) ================= */
#courses { background: #0F172A; color: #F8FAFC; padding-top: 100px; padding-bottom: 100px; }
#courses .eyebrow { color: #818CF8; }
#courses .section-title { color: #FFFFFF; }
#courses .section-sub { color: #94A3B8; }

/* ================= EXAM TOGGLE (JEE / NEET) ================= */
.exam-toggle{ display:inline-flex; background:#1E293B; border:1px solid #334155; border-radius:999px; padding:6px; margin-bottom:40px; }
.exam-toggle-btn{
  padding:10px 28px; border-radius:999px; border:none; background:none;
  font-family:'Lexend',sans-serif; font-size:0.9rem; font-weight:600; color:#94A3B8;
  cursor:pointer; transition:all 0.2s;
}
.exam-toggle-btn.active{ background:#4F46E5; color:#fff; box-shadow:0 2px 8px rgba(79,70,229,0.3); }
.exam-panel{ display:none; }
.exam-panel.active{ display:block; }

.subjects-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.subject-card{
  background:#1E293B; border:1px solid #334155; border-radius:20px;
  padding:32px; transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display:flex; flex-direction:column; gap:20px; position:relative; overflow:hidden;
}
.subject-card:hover{ 
  border-color:#6366F1; 
  box-shadow:0 12px 30px rgba(99,102,241,0.15); 
  transform:translateY(-6px);
}
.subject-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:12px; z-index:2; position:relative;}
.subject-icon-wrap{ width:54px; height:54px; border-radius:14px; display:flex; align-items:center; justify-content:center; flex-shrink:0; background:#0F172A !important; border:1px solid #334155; box-shadow: inset 0 2px 4px rgba(255,255,255,0.05); }
.subject-count{ font-size:0.75rem; font-weight:600; color:#94A3B8; background:#0F172A; border:1px solid #334155; padding:6px 14px; border-radius:999px; white-space:nowrap; }
.subject-card h2{ font-size:1.4rem; font-weight:700; color:#F8FAFC; z-index:2; position:relative; }
.subject-card .subj-desc{ font-size:0.92rem; color:#94A3B8; line-height:1.65; z-index:2; position:relative; }
.chapter-tags{ display:flex; flex-wrap:wrap; gap:8px; z-index:2; position:relative; }
.ctag{ font-size:0.78rem; font-weight:500; color:#CBD5E1; background:#0F172A; border:1px solid #334155; padding:6px 12px; border-radius:8px; }
.subject-footer{ display:flex; flex-direction:column; gap:16px; margin-top:auto; padding-top:24px; border-top:1px solid #334155; z-index:2; position:relative; }
.chapter-meta{ font-size:0.85rem; font-weight:500; color:#64748B; }
.subject-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 0.95rem; font-weight: 600; color: #ffffff;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  padding: 10px 20px; border-radius: 12px;
  text-decoration: none; transition: all 0.2s;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}
.subject-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
  border-color: rgba(255, 255, 255, 0.2);
}
.subject-cta svg { width: 18px; height: 18px; }

/* ================= MICRO COURSES BY CHAPTER ================= */
.chapters-section{ background:#ffffff; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.subject-block{ margin-bottom:64px; }
.subject-block:last-child{ margin-bottom:0; }
.subject-block-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:28px; flex-wrap:wrap; gap:12px;}
.subject-block-title{ display:flex; align-items:center; gap:16px; font-size:1.6rem; font-weight:700; color:#0F172A; }
.subject-block-icon{ width:40px; height:40px; }
.subject-enrol-all{ font-size:0.9rem; font-weight:600; color:var(--indigo); text-decoration:none; }
.subject-enrol-all:hover{ text-decoration:underline; }

/* Nested Subject Tabs */
.subject-toggle {
  display: flex; gap: 8px; margin-bottom: 32px;
  background: #F8FAFC; padding: 6px; border-radius: 12px;
  width: fit-content; margin-left: auto; margin-right: auto;
}
.subject-toggle-btn {
  font-family: inherit; font-size: 0.95rem; font-weight: 600;
  color: #64748B; background: transparent; border: none;
  padding: 8px 24px; border-radius: 8px; cursor: pointer;
  transition: all 0.2s;
}
.subject-toggle-btn:hover { color: #0F172A; }
.subject-toggle-btn.active {
  background: #ffffff; color: #4F46E5;
  box-shadow: 0 2px 4px rgba(15,23,42,0.05);
}
.subject-panel { display: none; }
.subject-panel.active { display: block; animation: fadeIn 0.4s ease; }

/* Chapter List Layout */
.chapter-list { display: flex; flex-direction: column; gap: 12px; }
.chapter-list-item {
  display: flex; align-items: center; justify-content: space-between;
  background: #ffffff; border: 1px solid #E2E8F0; border-radius: 12px;
  padding: 16px 24px; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  box-shadow: 0 2px 4px rgba(15,23,42,0.01);
}
.chapter-list-item:hover {
  border-color: #CBD5E1; box-shadow: 0 6px 12px rgba(15,23,42,0.04); transform: translateY(-2px);
}
.cli-left { display: flex; flex-direction: column; gap: 6px; flex: 1; padding-right: 20px;}
.cli-right { display: flex; align-items: center; gap: 24px; flex-shrink: 0; }
.cli-name-row { display: flex; align-items: center; gap: 12px; }
.cli-name { font-size: 1.1rem; font-weight: 700; color: #0F172A; margin:0;}
.cli-topics { font-size: 0.9rem; color: #475569; margin:0; line-height:1.5;}
.cli-meta { font-size: 0.85rem; font-weight: 600; color: #64748B; text-align: right; }

.chapter-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.chapter-card{
  background:#ffffff; border:1px solid #E2E8F0; border-radius:16px;
  padding:28px; transition:transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display:flex; flex-direction:column;
  box-shadow:0 4px 6px rgba(15,23,42,0.02);
}
.chapter-card:hover{ 
  border-color:#CBD5E1; 
  box-shadow:0 12px 24px rgba(15,23,42,0.06); 
  transform:translateY(-3px);
}
.chapter-top-row{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.level-tag{ font-size:0.7rem; font-weight:700; text-transform:uppercase; padding:4px 10px; border-radius:999px; letter-spacing:0.8px; }
.level-easy{ color:#059669; background:#D1FAE5; border:1px solid #A7F3D0; }
.level-medium{ color:#D97706; background:#FEF3C7; border:1px solid #FDE68A; }
.level-hard{ color:#E11D48; background:#FFE4E6; border:1px solid #FECDD3; }
.chapter-name{ font-size:1.2rem; font-weight:700; color:#0F172A; margin-bottom:10px; }
.chapter-topics{ font-size:0.9rem; color:#475569; line-height:1.6; margin-bottom:24px; }
.chapter-bottom-row{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:20px; border-top:1px solid #F1F5F9; }
.chapter-meta{ font-size:0.8rem; font-weight:600; color:#64748B; }
.chapter-enrol-btn{ font-size:0.85rem; font-weight:600; color:#4F46E5; background:#EEF2FF; padding:8px 18px; border-radius:999px; text-decoration:none; transition:all 0.2s; border:1px solid #C7D2FE;}
.chapter-enrol-btn:hover{ background:#4F46E5; color:#ffffff; border-color:#4F46E5;}

/* Chapter List CTA */
.chapter-list-cta {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 32px; background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
  border-radius: 16px; margin-top: 8px; gap: 24px;
}
.cta-content { display: flex; flex-direction: column; gap: 6px; }
.cta-title { font-family: 'Lexend', sans-serif; font-size: 1.125rem; font-weight: 600; color: #1E293B; margin: 0; }
.cta-desc { font-size: 0.95rem; color: #475569; line-height: 1.5; margin: 0; }
@media (max-width: 640px) {
  .chapter-list-cta { flex-direction: column; align-items: flex-start; padding: 20px; }
}

/* ================= FREE RESOURCES ================= */
.resources-section{ background:var(--ink); padding-top:80px; padding-bottom:80px; }
.resources-section .section-title, .resources-section .eyebrow { color:#ffffff; }
.resources-section .section-sub, .resources-section .resources-cta p { color:#94A3B8; }
.resources-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:24px; margin-top:20px; }
.resource-card{
  background:#ffffff; 
  border-radius:var(--r-lg);
  padding:28px 24px; 
  display:flex; flex-direction:column; gap:12px;
  box-shadow:0 4px 12px rgba(15,23,42,0.03), 0 0 0 1px rgba(15,23,42,0.04);
  transition:box-shadow 0.25s ease, transform 0.25s ease;
}
.resource-card:hover{ 
  box-shadow:0 12px 28px rgba(15,23,42,0.06), 0 0 0 1px rgba(79,70,229,0.15); 
  transform:translateY(-4px); 
}
.resource-icon{ width:44px; height:44px; margin-bottom:4px; }
.resource-card h3{ font-size:1.05rem; font-weight:700; color:var(--ink); margin-bottom:2px; }
.resource-card p{ font-size:0.9rem; color:var(--slate); line-height:1.6; }
.resource-link{ 
  display:inline-flex; align-items:center; gap:6px; font-size:0.85rem; 
  font-weight:600; color:var(--indigo); text-decoration:none; 
  margin-top:auto; padding-top:16px; border-top:1px dashed var(--border-2);
}
.resource-link:hover{ color:var(--indigo-d); }
.resources-cta{ text-align:center; margin-top:40px; }
.resources-cta p{ color:var(--ink-soft); font-size:0.9rem; margin-bottom:18px; }

/* ================= TESTIMONIALS ================= */
#results { 
  background: radial-gradient(ellipse at bottom, #1E1B4B 0%, #0F172A 100%); 
  padding-top:100px; padding-bottom:100px; 
  position: relative;
  overflow: hidden;
  border-top: none;
  border-bottom: none;
}
#results::before {
  content: ''; position: absolute; top:-50%; left:-50%; width:200%; height:200%;
  background: radial-gradient(circle at center, rgba(79, 70, 229, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
#results .section-title { color: #ffffff; text-shadow: none; }
#results .section-sub { color: #C7D2FE; opacity: 0.9; }
#results .eyebrow { 
  background: rgba(79, 70, 229, 0.15); 
  border-color: rgba(79, 70, 229, 0.3);
  color: #818CF8;
}

.testi-carousel { 
  display:flex; 
  overflow-x:auto; 
  scroll-snap-type: x mandatory; 
  gap:24px; 
  margin-top:40px; 
  position: relative; 
  z-index: 1; 
  padding: 10px 1rem 2rem 1rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.testi-carousel::-webkit-scrollbar {
  display: none;
}

.testi-card{ 
  scroll-snap-align: center;
  min-width: 340px;
  max-width: 380px;
  flex: 0 0 auto;
  background:rgba(255,255,255,0.02); 
  backdrop-filter: blur(12px);
  border-radius:24px; 
  padding:40px 32px; 
  display:flex; flex-direction:column; gap:18px; 
  box-shadow:0 10px 30px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.1) inset;
  border:none;
  transition:box-shadow 0.3s ease, transform 0.3s ease, background 0.3s ease;
}
.testi-card:hover{
  background:rgba(255,255,255,0.05);
  box-shadow:0 20px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(129, 140, 248, 0.4) inset; 
  transform:translateY(-8px);
}
.testi-quote{ font-size:0.95rem; color:#E0E7FF; line-height:1.7; font-style:italic; position:relative; z-index:1; }
.testi-quote::before { content:'"'; font-size:4rem; font-family:serif; color:#4F46E5; position:absolute; top:-24px; left:-12px; z-index:-1; line-height:1; }
.testi-foot{ display:flex; align-items:center; gap:12px; padding-top:16px; border-top:1px solid rgba(255,255,255,0.1); margin-top:auto; }
.testi-avatar{ width:42px; height:42px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.9rem; color:#fff; flex-shrink:0; box-shadow:0 4px 10px rgba(0,0,0,0.2); }
.testi-name{ font-size:0.9rem; font-weight:700; color:#ffffff; }
.testi-detail{ font-size:0.8rem; color:#A5B4FC; }
.testi-rank{ margin-left:auto; font-size:0.75rem; font-weight:700; color:var(--emerald); background:rgba(16, 185, 129, 0.15); padding:4px 12px; border-radius:999px; white-space:nowrap; border:1px solid rgba(16, 185, 129, 0.3); }

/* ================= WHY CHOOSE US ================= */
.why-section{ background:#F8FAFC; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.why-card{
  background:#ffffff;
  border-radius:24px;
  padding:40px 32px;
  text-align:center;
  border:1px solid #E2E8F0;
  box-shadow:0 4px 12px rgba(15,23,42,0.02);
  transition:transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.why-card:hover{
  transform:translateY(-8px);
  border-color:#C7D2FE;
  box-shadow:0 16px 32px rgba(15,23,42,0.08);
}
.why-illustration{ width:100%; max-width:120px; margin:0 auto 24px; display:block; }
.why-card h3{ font-size:1.1rem; font-weight:700; color:#0F172A; margin-bottom:10px; }
.why-card p{ font-size:0.9rem; color:#475569; line-height:1.6; margin:0;}

/* ================= STUDENT MOSAIC / COMMUNITY SECTION ================= */
.community-section{ position:relative; overflow:hidden; background:#F8FAFC; border-bottom:1px solid var(--border); padding-top:80px; padding-bottom:80px; }
.community-grid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.community-illustration{ position:relative; }
.community-illustration svg{ width:100%; height:auto; filter:drop-shadow(0 12px 24px rgba(15,23,42,0.04)); }
.community-badge-float{
  position:absolute; background:rgba(255,255,255,0.9); backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.5);
  border-radius:16px; padding:12px 18px; display:flex; align-items:center; gap:12px;
  box-shadow:0 12px 32px rgba(15,23,42,0.08), 0 0 0 1px rgba(15,23,42,0.02);
  animation:float-chip 4s ease-in-out infinite;
}
.community-badge-float .cb-icon{ width:36px; height:36px; flex-shrink:0; display:flex; align-items:center; justify-content:center; border-radius:10px; }
.community-badge-float .cb-num{ font-family:'Lexend',sans-serif; font-size:1.1rem; font-weight:800; color:var(--ink); line-height:1.2; }
.community-badge-float .cb-lbl{ font-size:0.75rem; color:var(--slate); font-weight:500; }
.cb-top-right{ top:10%; right:-8%; animation-delay:0s; }
.cb-bottom-left{ bottom:12%; left:-8%; animation-delay:-2s; }

/* Dynamic SVG Animations */
@keyframes collab-flow { 0% { stroke-dashoffset: 16; } 100% { stroke-dashoffset: 0; } }
@keyframes pulse-glow { 0%, 100% { transform: scale(1); filter: brightness(1); } 50% { transform: scale(1.05); filter: brightness(1.2); } }
@keyframes float-chip { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes orbit-spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.dynamic-collab-svg { overflow: visible; }
.collab-line { animation: collab-flow 1.5s linear infinite; }
.collab-line.delay-1 { animation-duration: 2s; }
.collab-line.delay-2 { animation-duration: 2.5s; }
.collab-line.delay-3 { animation-duration: 1.8s; }
.pulse-node { animation: pulse-glow 3s ease-in-out infinite; }
.core-node { animation: pulse-glow 4s ease-in-out infinite; }
.orbit-spin-slow { animation: orbit-spin 60s linear infinite; }
.orbit-spin-fast { animation: orbit-spin 40s linear infinite reverse; }

.community-list{ display:flex; flex-direction:column; gap:28px; margin-top:32px; }
.community-item{ display:flex; gap:18px; align-items:flex-start; }
.community-item-icon{ width:48px; height:48px; flex-shrink:0; display:flex; align-items:center; justify-content:center; border-radius:12px; }
.community-item h4{ font-size:1.1rem; font-weight:700; color:var(--ink); margin-bottom:6px; }
.community-item p{ font-size:0.95rem; color:var(--slate); line-height:1.65; margin:0; }



/* ================= FAQ ================= */
.faq-section{ background:var(--surface); padding-bottom:80px; }
.faq-list{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:16px; }
.faq-item{ 
  background:#ffffff;
  border:1px solid var(--border); 
  border-radius:var(--r-lg);
  box-shadow:0 2px 8px rgba(15,23,42,0.02);
  transition:box-shadow 0.2s ease, border-color 0.2s ease;
}
.faq-item:hover { border-color:var(--indigo-200); box-shadow:0 4px 12px rgba(79,70,229,0.06); }
.faq-question{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:24px; background:none; border:none; cursor:pointer; text-align:left;
  font-family:'Lexend',sans-serif; font-size:1.05rem; font-weight:600; color:var(--ink);
  transition:color 0.2s ease;
}
.faq-question:hover{ color:var(--indigo); }
.faq-icon{
  width:32px; height:32px; flex-shrink:0; border-radius:50%; background:var(--indigo-50);
  display:flex; align-items:center; justify-content:center; transition:transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.2s;
}
.faq-icon svg{ width:14px; height:14px; transition:transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-icon svg path{ stroke:var(--indigo); stroke-width:2.5px; }
.faq-item.open .faq-icon{ background:var(--indigo); }
.faq-item.open .faq-icon svg path{ stroke:#fff; }
.faq-item.open .faq-icon svg{ transform:rotate(135deg); }
.faq-answer{ max-height:0; overflow:hidden; transition:max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-answer-inner{ padding:0 24px 24px; font-size:0.95rem; color:var(--slate); line-height:1.75; max-width:680px; }

.final-cta{
  background:var(--ink); border-radius:var(--r-lg);
  padding:56px 6%; text-align:center;
  max-width:1280px; margin:0 6% 0 6%;
  position:relative; overflow:hidden;
}
@media(min-width:1360px){ .final-cta{ margin-left:auto; margin-right:auto; } }
.final-cta h2{ font-size:clamp(1.6rem,3vw,2.2rem); font-weight:700; color:#fff; letter-spacing:-0.5px; margin-bottom:14px; }
.final-cta p{ color:#94A3B8; font-size:0.95rem; max-width:460px; margin:0 auto 30px; line-height:1.6; }
.final-cta-actions{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.btn-white{ background:#fff; color:var(--ink); }
.btn-white:hover{ background:#F1F5F9; }
.btn-ghost-dark{ background:transparent; border:1px solid #334155; color:#fff; }
.btn-ghost-dark:hover{ border-color:#64748B; }

/* ================= FOOTER ================= */

/* ================= FLOATING WHATSAPP ================= */

/* ================= REVEAL ================= */

/* ================= RESPONSIVE ================= */
@media(max-width:980px){
  .hero{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; max-width:360px; margin:0 auto; }
  .subjects-grid{ grid-template-columns:1fr; }
  .how-grid{ grid-template-columns:1fr; }
  
  .stat-strip{ grid-template-columns:repeat(2,1fr); gap:20px; }
  .stat-item{ border-right:none; border-bottom:1px solid var(--border-2); padding-bottom:16px; }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .community-grid{ grid-template-columns:1fr; }
  .community-illustration{ order:-1; max-width:320px; margin:0 auto 20px; }
  .cb-top-right, .cb-bottom-left{ display:none; }
}
@media(max-width:768px){
  .why-grid{ grid-template-columns:1fr; }
  .avatar-row{ gap:12px; }
  .chapter-list-item { flex-direction: column; align-items: flex-start; gap: 16px; }
  .cli-left { padding-right: 0; }
  .cli-right { width: 100%; justify-content: space-between; }
}

/* Blob CSS moved to shared.css */