/* ═══════════════════════════════════════════════════════════════════════════
   ZDAX LANDING PAGE — styles.css  v2 (premium AI-age design)
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #FAFAF7;
  --dark:       #0F172A;
  --card:       #FFFFFF;
  --border:     #E2E8F0;
  --accent:     #0D9488;
  --accent2:    #0EA5E9;
  --amber:      #D97706;
  --text:       #0F172A;
  --text2:      #64748B;
  --text3:      #94A3B8;
  --grad:       linear-gradient(135deg, #0D9488, #0EA5E9);
  --radius:     16px;
  --radius-sm:  8px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 20px rgba(0,0,0,.08);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.12);
  --max-w:      1200px;
  --nav-h:      64px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Container ────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 20px;
}

/* ── Utility: gradient text ───────────────────────────────────────────────── */
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  transition: all .25s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 15px rgba(13,148,136,.35);
}
.btn-primary:hover { transform: scale(1.02); box-shadow: 0 6px 20px rgba(13,148,136,.45); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { background: #F1F5F9; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-lg { font-size: 15px; padding: 14px 28px; height: 52px; }
.btn-full { width: 100%; }

.btn-cta-white {
  background: #fff;
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.15);
}
.btn-cta-white:hover { transform: scale(1.03); }

/* ── Fade-up animation ────────────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}

/* ── Section shared ───────────────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-title { font-size: 40px; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; color: var(--text); }
.section-sub { font-size: 18px; color: var(--text2); margin-top: 12px; line-height: 1.6; }

/* ═══ NAV ═══════════════════════════════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(250,250,247,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
#nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: var(--nav-h);
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.04em;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text2);
  padding: 6px 14px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: #F1F5F9; }

.nav-cta { display: none; font-size: 13px; padding: 9px 20px; margin-left: auto; }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
  border-radius: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-110%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-link {
  display: block;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  border-radius: 10px;
  transition: background .2s;
}
.mobile-link:hover { background: #F1F5F9; }

.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.3);
  z-index: 98;
}
.mobile-backdrop.show { display: block; }

/* ═══ HERO ═══════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Grid background */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13,148,136,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13,148,136,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13,148,136,.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(13,148,136,.2);
  margin-bottom: 20px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

/* Hero text */
.hero-headline {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  color: var(--text2);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

/* Social proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatars {
  display: flex;
}
.avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  margin-left: -8px;
}
.avatar:first-child { margin-left: 0; }
.av1 { background: #0D9488; }
.av2 { background: #0EA5E9; }
.av3 { background: #D97706; }
.av4 { background: #7C3AED; }
.av5 { background: #DC2626; }

.proof-text {
  font-size: 13px;
  color: var(--text2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.proof-count { font-weight: 700; color: var(--text); }
.stars { color: #F59E0B; font-weight: 700; }

/* ── Phone Mockup ─────────────────────────────────────────────────────────── */
.hero-phone-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.phone-frame {
  width: 260px;
  background: #0F172A;
  border-radius: 36px;
  padding: 12px;
  box-shadow:
    0 0 0 2px rgba(255,255,255,.08),
    0 40px 80px rgba(0,0,0,.35),
    0 20px 40px rgba(13,148,136,.15);
  position: relative;
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
}

.phone-notch {
  width: 80px;
  height: 22px;
  background: #0F172A;
  border-radius: 0 0 14px 14px;
  margin: 0 auto 8px;
  position: relative;
  z-index: 2;
}

.phone-screen {
  background: var(--bg);
  border-radius: 26px;
  overflow: hidden;
  padding: 12px;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* App content inside phone */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.app-logo-row {
  display: flex;
  align-items: center;
  gap: 5px;
}
.app-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
}
.exam-chip-app {
  font-size: 9px;
  font-weight: 700;
  background: rgba(13,148,136,.12);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 100px;
  border: 1px solid rgba(13,148,136,.2);
}

.app-stats {
  display: flex;
  align-items: center;
  background: #F8FAFC;
  border-radius: 10px;
  padding: 8px;
  gap: 8px;
}
.stat-item { flex: 1; text-align: center; }
.stat-val { display: block; font-size: 14px; font-weight: 800; color: var(--text); }
.stat-val.teal { color: var(--accent); }
.stat-val.amber { color: var(--amber); }
.stat-lbl { font-size: 8px; color: var(--text3); font-weight: 500; }
.stat-divider { width: 1px; height: 24px; background: var(--border); }

.app-section-label {
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text3);
  text-transform: uppercase;
  margin-top: 2px;
}

.app-topic-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}
.app-topic-card.blue-card { border-left: 3px solid var(--accent2); }
.app-topic-card.green-card { border-left: 3px solid var(--accent); }

.topic-icon { font-size: 14px; flex-shrink: 0; }
.topic-name { font-size: 10px; font-weight: 600; color: var(--text); }
.topic-meta { font-size: 8px; color: var(--text3); }
.topic-badge { font-size: 12px; color: var(--text3); margin-left: auto; flex-shrink: 0; }
.topic-badge.teal-badge { color: var(--accent); }

.app-bottom-nav {
  display: flex;
  justify-content: space-around;
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: auto;
}
.bnav-item { font-size: 16px; opacity: .4; }
.bnav-item.active { opacity: 1; }

/* Floating elements */
.float-el {
  position: absolute;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.float-chat {
  top: 60px;
  right: -20px;
  animation: floatY 3s ease-in-out infinite;
}
.float-score {
  bottom: 120px;
  left: -30px;
  animation: floatY 3.5s ease-in-out infinite .5s;
}
.float-ai {
  top: 160px;
  right: -40px;
  animation: floatY 4s ease-in-out infinite 1s;
  font-size: 10px;
  color: var(--accent);
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ═══ TRUST BAR ══════════════════════════════════════════════════════════════ */
.trust-bar {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-label {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 16px;
}
.exam-pills-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.exam-pills-scroll::-webkit-scrollbar { display: none; }
.exam-pills {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  min-width: max-content;
  padding: 0 20px;
}
.exam-pill {
  background: #F1F5F9;
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

/* ═══ PROBLEM → SOLUTION ═════════════════════════════════════════════════════ */
.dark-section { background: var(--dark); }
.problem-solution { padding: 100px 0; }

.ps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.ps-title {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.3;
}

.ps-cards { display: flex; flex-direction: column; gap: 12px; }

.problem-card, .solution-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,.75);
}
.problem-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}
.solution-card {
  background: rgba(13,148,136,.1);
  border: 1px solid rgba(13,148,136,.2);
}
.ps-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

.ps-divider {
  display: flex;
  justify-content: center;
  align-items: center;
}
.ps-vs {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: rgba(255,255,255,.4);
}

/* ═══ FEATURES ═══════════════════════════════════════════════════════════════ */
.features { padding: 100px 0; }

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.08);
}

.feature-icon-wrap {
  width: 52px; height: 52px;
  background: #CCFBF1;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon { font-size: 24px; }

.feature-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-desc { font-size: 14px; color: var(--text2); line-height: 1.7; }

/* ═══ HOW IT WORKS ═══════════════════════════════════════════════════════════ */
.how-it-works {
  padding: 100px 0;
  background: linear-gradient(180deg, #F0FDFA 0%, var(--bg) 100%);
}

.steps-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  position: relative;
}

.step { text-align: center; padding: 0 20px; }

.step-number {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 12px;
}

.step-icon-circle {
  width: 56px; height: 56px;
  background: rgba(13,148,136,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
  border: 1px solid rgba(13,148,136,.2);
}

.step-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.step-desc { font-size: 14px; color: var(--text2); line-height: 1.7; max-width: 280px; margin: 0 auto; }

.step-connector { display: none; }

/* ═══ COMPARISON ═════════════════════════════════════════════════════════════ */
.comparison { padding: 100px 0; background: #F8FAFC; }

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 600px;
}
.compare-table thead th {
  padding: 18px 20px;
  font-size: 13px;
  font-weight: 700;
  text-align: left;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.compare-table thead th.zdax-col-head {
  color: var(--accent);
  background: rgba(13,148,136,.04);
}
.compare-table tbody td {
  padding: 15px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:nth-child(even) td { background: #F8FAFC; }
.compare-table tbody tr:nth-child(even) td.zdax-col { background: rgba(13,148,136,.03); }

.trad-col { color: var(--text3) !important; }
.zdax-col { font-weight: 600; color: var(--text) !important; background: rgba(13,148,136,.02); }
.x-icon { color: #EF4444; font-weight: 700; margin-right: 4px; }
.check-icon { color: var(--accent); font-weight: 700; margin-right: 4px; }

/* ═══ EXAMS ══════════════════════════════════════════════════════════════════ */
.exams { padding: 100px 0; }
.exam-categories { display: flex; flex-direction: column; gap: 20px; }
.exam-cat { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.cat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text3);
  width: 70px;
  flex-shrink: 0;
  padding-top: 7px;
}
.cat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cat-chip {
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.12);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  transition: background .2s, color .2s;
}
.cat-chip:hover {
  background: rgba(13,148,136,.2);
  color: #fff;
  border-color: rgba(13,148,136,.4);
}
.more-exams { text-align: center; margin-top: 32px; }
.teal-link { color: var(--accent); font-weight: 600; font-size: 14px; }
.teal-link:hover { text-decoration: underline; }

/* ═══ PRICING ════════════════════════════════════════════════════════════════ */
.pricing { padding: 100px 0; }
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1000px;
  margin-inline: auto;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}

.pricing-featured {
  border: 2px solid transparent;
  background: linear-gradient(var(--card), var(--card)) padding-box,
              var(--grad) border-box;
  box-shadow: 0 20px 60px rgba(13,148,136,.15);
}

.popular-badge, .save-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.popular-badge {
  background: var(--grad);
  color: #fff;
}
.save-badge {
  background: rgba(217,119,6,.15);
  color: var(--amber);
  border: 1px solid rgba(217,119,6,.25);
}

.plan-name { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.pricing-featured .plan-name { color: var(--accent); }
.plan-price { font-size: 44px; font-weight: 800; color: var(--text); line-height: 1; }
.price-num { font-size: 44px; }
.plan-period { font-size: 14px; color: var(--text2); margin-bottom: 24px; margin-top: 4px; }
.original-price { color: var(--text3); font-size: 14px; }

.plan-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.plan-features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text2); }
.feat-check { color: var(--accent); font-weight: 700; flex-shrink: 0; }

/* ═══ TESTIMONIALS ═══════════════════════════════════════════════════════════ */
.testimonials { padding: 100px 0; }
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.stars-row {
  color: #F59E0B;
  font-size: 16px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}
blockquote {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text2);
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.author-avatar.av2 { background: #0EA5E9; }
.author-avatar.av3 { background: #D97706; }
.author-name { font-size: 14px; font-weight: 700; color: var(--text); }
.author-exam { font-size: 12px; color: var(--text3); }
.beta-note { text-align: center; font-size: 12px; color: var(--text3); margin-top: 24px; }

/* ═══ STATS BAR ══════════════════════════════════════════════════════════════ */
.stats-bar {
  padding: 60px 0;
  background: var(--dark);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 20px;
  text-align: center;
}
.stat-big {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.stat-label {
  font-size: 13px;
  color: var(--text3);
  margin-top: 4px;
}

/* ═══ FAQ ════════════════════════════════════════════════════════════════════ */
.faq { padding: 100px 0; }
.faq-list {
  max-width: 700px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
}
.faq-icon {
  font-size: 20px;
  font-weight: 400;
  color: var(--text3);
  flex-shrink: 0;
  transition: transform .3s ease, color .2s;
  line-height: 1;
}
.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer.open { max-height: 300px; }
.faq-answer p {
  font-size: 15px;
  color: var(--text2);
  line-height: 1.7;
  padding-bottom: 20px;
}

/* ═══ FINAL CTA ══════════════════════════════════════════════════════════════ */
.final-cta {
  background: var(--grad);
  clip-path: polygon(0 40px, 100% 0, 100% 100%, 0 100%);
  padding: 120px 0 80px;
  text-align: center;
}
.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-inline: 20px;
}
.cta-headline {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}
.cta-sub {
  font-size: 17px;
  color: rgba(255,255,255,.8);
  max-width: 500px;
}
.cta-fine { font-size: 13px; color: rgba(255,255,255,.6); }

/* ═══ FOOTER ═════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--dark);
  color: var(--text3);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.footer-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.04em;
}
.footer-tagline {
  font-size: 13px;
  color: var(--text3);
  line-height: 1.6;
  max-width: 220px;
  margin-bottom: 20px;
}
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text3);
  transition: background .2s, color .2s;
}
.social-icon:hover { background: rgba(255,255,255,.12); color: #fff; }

.footer-heading {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text3);
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.3);
  text-align: center;
}
.made-in { color: rgba(255,255,255,.4); }

/* ═══ RESPONSIVE ═════════════════════════════════════════════════════════════ */
@media (min-width: 640px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .ps-grid { grid-template-columns: 1fr auto 1fr; align-items: center; }
  .steps-row { grid-template-columns: repeat(3, 1fr); }
  .step-connector {
    display: block;
    position: absolute;
    top: 48px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--grad);
    z-index: 0;
  }
}

@media (min-width: 768px) {
  .section-title { font-size: 40px; }
  .cta-headline { font-size: 44px; }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .hamburger { display: none; }

  .hero-inner { grid-template-columns: 55fr 45fr; gap: 60px; }
  .hero-headline { font-size: 56px; }
  .hero-phone-wrap { margin-top: 0; }

  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1200px) {
  .container { padding-inline: 40px; }
  .hero-headline { font-size: 62px; }
}