/* ==========================================================================
   Design system — Vanvi
   Mobile-first. Premium-intelligence tone: graphite + milk neutral,
   one electric accent, one functional data-accent. No AI-gradient cliché.
   Brand tokens live here so the final name/colors can drop in without
   touching markup — see TZ_brand_AI_marketing_platform_v1 §13.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --bg: #0d0e11;
  --bg-soft: #131417;
  --surface: #18191d;
  --surface-2: #202226;
  --border: #2b2d32;
  --text: #f6f4ef;
  --text-dim: #a6a7ac;
  --text-faint: #6c6e73;

  /* One electric accent (brand/CTA), one functional data-accent (metrics, highlights). No gradient duo. */
  --accent: #3a5cff;
  --data-accent: #e8a63c;

  --success: #2fd48a;
  --free: #2fd48a;
  --paid: var(--data-accent);

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.7);

  --container: 1120px;
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; }

/* Background glow */
body::before{
  content: "";
  position: fixed;
  inset: -20% -20% auto -20%;
  height: 700px;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(58,92,255,.16), transparent 60%),
    radial-gradient(500px 300px at 85% 10%, rgba(232,166,60,.09), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

section{ position: relative; z-index: 1; padding: 64px 0; }
@media (min-width: 860px){ section{ padding: 96px 0; } }

/* ---- Typography ---- */
h1,h2,h3,h4{ margin: 0 0 .5em; font-weight: 800; letter-spacing: -0.02em; }
h1{ font-size: clamp(30px, 6vw, 56px); line-height: 1.08; }
h2{ font-size: clamp(24px, 4.2vw, 38px); line-height: 1.15; }
h3{ font-size: clamp(18px, 3vw, 22px); line-height: 1.3; }
p{ margin: 0 0 1em; color: var(--text-dim); }
.lead{ font-size: clamp(16px, 2.4vw, 20px); color: var(--text-dim); }
.eyebrow{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent);
  background: rgba(58,92,255,.1);
  border: 1px solid rgba(58,92,255,.25);
  padding: 6px 14px; border-radius: 100px;
  margin-bottom: 18px;
}
.gradient-text{
  background: var(--accent);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.center{ text-align: center; }
.section-head{ max-width: 640px; margin: 0 auto 44px; text-align: center; }

/* ---- Buttons ---- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 28px; border-radius: 100px; font-weight: 700; font-size: 16px;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: scale(.97); }
.btn-primary{
  background: var(--accent); color: #0b0c14;
  box-shadow: 0 10px 30px -8px rgba(58,92,255,.55);
}
.btn-primary:hover{ box-shadow: 0 14px 40px -8px rgba(58,92,255,.75); }
.btn-ghost{
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); }
.btn-block{ width: 100%; }
.btn-lg{ padding: 18px 34px; font-size: 17px; }
.btn-sub{ display:block; margin-top: 10px; font-size: 13px; color: var(--text-faint); text-align:center; }

/* ---- Nav ---- */
.nav{
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,12,20,.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav .container{ display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo{ display:flex; align-items:center; gap:9px; font-weight: 800; font-size: 16px; letter-spacing: -0.01em; }
.brand-mark{ color: var(--accent); flex-shrink: 0; }
.nav-links{ display: none; align-items: center; gap: 28px; font-size: 14px; color: var(--text-dim); }
.nav-links a:hover{ color: var(--text); }
@media (min-width: 860px){ .nav-links{ display: flex; } }
.nav-cta{ display: flex; align-items: center; gap: 12px; }
.nav .btn{ padding: 10px 20px; font-size: 14px; }

.nav-toggle{
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  cursor: pointer; font-size: 18px;
}
@media (min-width: 860px){ .nav-toggle{ display: none; } }
.nav-links.mobile-open{
  display: flex; flex-direction: column; align-items: flex-start; gap: 0;
  position: absolute; top: 68px; left: 0; right: 0;
  background: var(--bg-soft); border-bottom: 1px solid var(--border);
  padding: 8px 20px 16px;
}
.nav-links.mobile-open a{ width: 100%; padding: 12px 0; border-top: 1px solid var(--border); }
.nav-links.mobile-open a:first-child{ border-top: none; }
@media (min-width: 860px){ .nav-links.mobile-open{ position: static; padding: 0; background: none; border: none; flex-direction: row; }
  .nav-links.mobile-open a{ width: auto; padding: 0; border: none; } }

/* ---- Cards ---- */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 28px;
}
.grid{ display: grid; gap: 20px; }
.grid-2{ grid-template-columns: 1fr; }
.grid-3{ grid-template-columns: 1fr; }
@media (min-width: 640px){ .grid-2{ grid-template-columns: 1fr 1fr; } }
@media (min-width: 860px){ .grid-3{ grid-template-columns: repeat(3, 1fr); } }

.icon-badge{
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(58,92,255,.12); border: 1px solid rgba(58,92,255,.3);
  font-size: 20px; margin-bottom: 16px;
}
.icon-badge .icon{ color: var(--accent); }
.icon{ color: var(--accent); flex-shrink: 0; }
.icon-overlay .icon{ color: var(--data-accent); }

.card-photo{
  width: 100%; aspect-ratio: 16/10; border-radius: 12px; overflow: hidden;
  margin-bottom: 16px; position: relative; border: 1px solid var(--border);
}
.card-photo img{ width:100%; height:100%; object-fit:cover; display:block; transition: transform .3s ease; }
.card:hover .card-photo img{ transform: scale(1.05); }
.card-photo .icon-overlay{
  position:absolute; bottom:10px; left:10px; width:36px; height:36px; border-radius:10px;
  background: rgba(11,12,20,.55); backdrop-filter: blur(6px);
  display:flex; align-items:center; justify-content:center; font-size:17px;
}

.avatar-circle{
  width: 44px; height: 44px; border-radius: 50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-weight: 800; font-size: 15px; color: #0b0c14;
  background: var(--accent);
}
.testimonial-head{ display:flex; align-items:center; gap: 12px; margin-bottom: 14px; }
.testimonial-head .who .name{ font-size: 14px; font-weight: 700; color: var(--text); }
.testimonial-head .who .role{ font-size: 12px; color: var(--text-faint); }

/* ---- Tags ---- */
.tag{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 100px;
  text-transform: uppercase; letter-spacing: .04em;
}
.tag-free{ color: var(--free); background: rgba(46,230,166,.12); border: 1px solid rgba(46,230,166,.3); }
.tag-paid{ color: var(--paid); background: rgba(255,176,32,.12); border: 1px solid rgba(255,176,32,.3); }

/* ---- Form ---- */
.form-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 28px;
  box-shadow: var(--shadow);
}
.field{ margin-bottom: 14px; }
.field label{ display:block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.field input{
  width: 100%; padding: 14px 16px; border-radius: var(--radius-s);
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
  font-size: 15px; outline: none; transition: border-color .15s ease;
}
.field input:focus{ border-color: var(--accent); }
.consent{ font-size: 12px; color: var(--text-faint); margin: 12px 0 0; }
.form-success{ display:none; text-align:center; padding: 20px 0; }
.form-success.show{ display:block; }
.form-success .icon{ font-size: 40px; margin-bottom: 10px; }

/* ---- Accordion ---- */
.accordion-item{
  border: 1px solid var(--border); border-radius: var(--radius-m);
  background: var(--surface); margin-bottom: 12px; overflow: hidden;
}
.accordion-trigger{
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 22px; background: none; border: none; color: var(--text);
  cursor: pointer; text-align: left; font-size: 16px; font-weight: 700;
}
.accordion-trigger .num{
  color: var(--accent); font-variant-numeric: tabular-nums; margin-right: 10px; font-weight: 800;
}
.accordion-trigger .chevron{
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  border: 1px solid var(--border); display:flex; align-items:center; justify-content:center;
  transition: transform .25s ease;
  font-size: 14px; color: var(--text-dim);
}
.accordion-item.open .chevron{ transform: rotate(45deg); }
.accordion-panel{
  max-height: 0; overflow: hidden; transition: max-height .3s ease;
}
.accordion-item.open .accordion-panel{ max-height: 2000px; }
.accordion-panel-inner{ padding: 0 22px 22px; }
.module-desc{ font-size: 14px; color: var(--text-dim); margin-bottom: 14px; }
.lesson-row{
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-top: 1px solid var(--border);
  font-size: 14px;
}
.lesson-row:first-of-type{ border-top: none; }
.lesson-row .lesson-num{
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  background: var(--surface-2); display:flex; align-items:center; justify-content:center;
  font-size: 12px; font-weight: 700; color: var(--text-dim);
}
.lesson-row .lesson-name{ flex: 1; min-width: 140px; color: var(--text); }
.lesson-row .lesson-name a:hover{ color: var(--accent); }
.lesson-row .lesson-format{ color: var(--text-faint); font-size: 12px; white-space: nowrap; }

@media (max-width: 480px){
  .lesson-row{ flex-wrap: wrap; }
  .lesson-row .lesson-format{ white-space: normal; flex-basis: 100%; padding-left: 38px; }
}

/* ---- Testimonials / pricing / faq shared ---- */
.pill-list{ display:flex; flex-wrap:wrap; gap:10px; }
.pill{
  border:1px solid var(--border); background: var(--surface);
  padding: 8px 14px; border-radius:100px; font-size: 13px; color: var(--text-dim);
}

.price-card{
  border: 1px solid var(--border); border-radius: var(--radius-l);
  padding: 32px 28px; background: var(--surface); position: relative;
}
.price-card.featured{
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(58,92,255,.12), var(--surface) 40%);
}
.price-card .badge{
  position:absolute; top: -12px; left: 28px;
  background: var(--accent); color:#0b0c14; font-size:12px; font-weight:800;
  padding: 5px 14px; border-radius: 100px;
}
.price-amount{ font-size: 36px; font-weight: 800; margin: 10px 0 4px; }
.price-old{ text-decoration: line-through; color: var(--text-faint); font-size: 16px; margin-left: 8px; font-weight: 500;}
.price-features{ margin: 20px 0; }
.price-features li{ display:flex; gap:10px; padding: 8px 0; font-size: 14px; color: var(--text-dim); border-top: 1px solid var(--border); }
.price-features li:first-child{ border-top: none; }
.price-features li .check{ color: var(--success); flex-shrink:0; display:flex; align-items:center; }
.price-features li .check.no{ color: var(--text-faint); }

.faq-item{ border-top: 1px solid var(--border); padding: 18px 0; }
.faq-item:last-child{ border-bottom: 1px solid var(--border); }
.faq-q{ display:flex; justify-content:space-between; gap: 16px; cursor:pointer; font-weight:700; font-size:15px; }
.faq-a{ max-height: 0; overflow:hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a{ max-height: 400px; margin-top: 10px; }
.faq-a p{ font-size: 14px; margin: 0; }
.faq-item .chevron{ transition: transform .25s ease; color: var(--text-faint); flex-shrink:0; }
.faq-item.open .chevron{ transform: rotate(180deg); }

/* ---- Footer ---- */
.footer{ border-top: 1px solid var(--border); padding: 40px 0; }
.footer .container{ display:flex; flex-direction: column; gap: 20px; }
.footer-links{ display:flex; flex-wrap: wrap; gap: 20px; font-size: 13px; color: var(--text-faint); }
.footer-links a:hover{ color: var(--text-dim); }
.footer-meta{ font-size: 12px; color: var(--text-faint); }

/* ---- Utility ---- */
.mt-0{margin-top:0} .mb-0{margin-bottom:0}
.badge-row{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom: 20px; }
.hero-visual{
  border-radius: var(--radius-l); border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-soft));
  padding: 24px; box-shadow: var(--shadow);
}
.stat-row{ display:flex; gap: 28px; flex-wrap: wrap; margin-top: 28px; }
.stat{ }
.stat .num{ font-size: 26px; font-weight: 800; }
.stat .label{ font-size: 12px; color: var(--text-faint); text-transform: uppercase; letter-spacing: .04em; }

.breadcrumb{ font-size: 13px; color: var(--text-faint); margin-bottom: 18px; }
.breadcrumb a:hover{ color: var(--text-dim); }

.locked-card{ opacity: .6; }
.locked-card .lock{ float:right; }

/* ---- Pricing extras: countdown, social proof, comparison table, promo ---- */
.pricing-banner{
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  background: linear-gradient(120deg, rgba(255,176,32,.14), rgba(58,92,255,.1));
  border: 1px solid rgba(255,176,32,.35); border-radius: var(--radius-m);
  padding: 18px 22px; margin-bottom: 28px;
}
.pricing-banner .label{ font-weight:700; font-size:14px; color: var(--text); }
.pricing-banner .sub{ font-size:12px; color: var(--text-faint); margin-top:2px; }
.countdown{ display:flex; gap:8px; }
.countdown .unit{
  background: var(--surface); border:1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; min-width: 52px; text-align:center;
}
.countdown .unit .num{ font-size:18px; font-weight:800; font-variant-numeric: tabular-nums; }
.countdown .unit .lbl{ font-size:10px; color: var(--text-faint); text-transform:uppercase; }

.social-proof{
  display:flex; align-items:center; gap:10px; justify-content:center;
  font-size: 13px; color: var(--text-dim); margin: 18px 0 6px;
}
.social-proof .dot-live{ width:8px; height:8px; border-radius:50%; background: var(--success); box-shadow: 0 0 8px var(--success); }
.social-proof strong{ color: var(--text); }

.pro-seats{ font-size: 12px; color: var(--paid); margin-top: 10px; text-align:center; }

.price-tag-old{ text-decoration: line-through; color: var(--text-faint); font-size: 15px; font-weight:500; margin-right:8px; }

.promo-row{ display:flex; gap:8px; margin-top: 10px; }
.promo-row input{
  flex:1; padding: 10px 12px; border-radius: var(--radius-s); border:1px solid var(--border);
  background: var(--bg-soft); color: var(--text); font-size: 13px; outline:none;
}
.promo-row input:focus{ border-color: var(--accent); }
.promo-row button{
  padding: 10px 14px; border-radius: var(--radius-s); border:1px solid var(--border);
  background: var(--surface-2); color: var(--text-dim); font-size: 12px; font-weight:700; cursor:pointer;
}

.compare-table-wrap{ overflow-x:auto; margin-top: 40px; }
.compare-table{ width:100%; border-collapse: collapse; min-width: 640px; }
.compare-table th, .compare-table td{ padding: 12px 16px; text-align:center; border-bottom:1px solid var(--border); font-size: 13px; }
.compare-table th{ color: var(--text); font-size:13px; }
.compare-table td:first-child, .compare-table th:first-child{ text-align:left; color: var(--text-dim); }
.compare-table thead th.rec{ color: var(--accent); }
.compare-table .yes{ color: var(--success); font-weight:700; }
.compare-table .no{ color: var(--text-faint); }
.compare-table tbody tr:hover{ background: var(--surface); }

.bonus-group h3{ font-size:16px; margin-bottom:10px; }
.bonus-list{ margin-bottom: 28px; }
.bonus-list li{
  display:flex; gap:10px; padding: 10px 0; border-top:1px solid var(--border); font-size:14px; color: var(--text-dim);
}
.bonus-list li:first-child{ border-top:none; }
.bonus-list li .b-icon{ flex-shrink:0; }