:root {
  --navy: #0e1b2c;
  --navy-2: #13253d;
  --ink: #1a2433;
  --muted: #5b6b80;
  --line: #e3e9f1;
  --bg: #ffffff;
  --bg-soft: #f5f8fc;
  --amber: #f5a623;
  --amber-dark: #d98a0b;
  --green: #22c55e;
  --radius: 14px;
  --shadow: 0 12px 32px rgba(14, 27, 44, 0.10);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; margin-bottom: 12px; }
h3 { font-size: 1.15rem; font-weight: 700; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--amber-dark);
  margin-bottom: 12px;
}

.section-sub { color: var(--muted); font-size: 1.1rem; max-width: 640px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px;
  font-weight: 700; font-size: 1rem; text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  border: none; cursor: pointer;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--amber); color: var(--navy); }
.btn-primary:hover { background: var(--amber-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--ink); border: 2px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); width: 100%; justify-content: center; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 16px 34px; font-size: 1.05rem; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 116px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 800; font-size: 1.1rem; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--navy); color: var(--amber);
}
.brand-mark svg { width: 18px; height: 18px; }
.brand-logo { height: 40px; width: auto; display: block; }
.brand-logo-chip { border-radius: 10px; }
.nav .brand-logo { height: 100px; }
.nav .brand-logo-chip { border-radius: 14px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.95rem; }
.nav-links a:hover { color: var(--navy); }
.nav .btn { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--navy); margin-left: auto; }
.nav-toggle svg { width: 26px; height: 26px; }

/* Hero */
.hero { background: var(--navy); color: #fff; padding: 88px 0; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero .eyebrow { color: var(--amber); }
.hero h1 { color: #fff; margin-bottom: 18px; }
.lede { color: #c3cfdf; font-size: 1.2rem; margin-bottom: 30px; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.25); }
.hero-cta .btn-ghost:hover { border-color: #fff; }
.hero-points { list-style: none; display: grid; gap: 10px; }
.hero-points li { display: flex; align-items: center; gap: 10px; color: #c3cfdf; font-size: 0.95rem; }
.hero-points svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; }

/* Call card */
.call-card {
  background: #fff; color: var(--ink);
  border-radius: 18px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden; max-width: 440px; margin-left: auto;
}
.call-header { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.call-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-soft); color: var(--navy); flex-shrink: 0;
}
.call-avatar svg { width: 22px; height: 22px; }
.call-title { font-weight: 700; font-size: 0.95rem; }
.call-sub { color: var(--muted); font-size: 0.82rem; }
.live-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--green); margin-left: auto; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.chat { padding: 18px 20px; display: grid; gap: 10px; background: var(--bg-soft); }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; font-size: 0.9rem; line-height: 1.45; }
.msg.ai { background: #fff; border: 1px solid var(--line); border-top-left-radius: 4px; justify-self: start; }
.msg.caller { background: var(--navy); color: #fff; border-top-right-radius: 4px; justify-self: end; }
.call-footer {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; background: #eef7ef; color: #15803d;
  font-size: 0.85rem; font-weight: 600;
}
.call-footer svg { width: 18px; height: 18px; }

/* Problem */
.problem { padding: 88px 0; background: var(--bg); text-align: center; }
.problem h2 { max-width: 640px; margin: 0 auto 12px; }
.problem .section-sub { margin: 0 auto 44px; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: left; }
.problem-item {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
}
.problem-item svg { width: 30px; height: 30px; color: #dc2626; margin-bottom: 14px; }
.problem-item p { color: var(--muted); }
.problem-item strong { color: var(--ink); }

/* Services */
.services { padding: 88px 0; background: var(--bg-soft); }
.services h2 { margin-bottom: 12px; }
.services .section-sub { margin-bottom: 44px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--navy); color: var(--amber); margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.95rem; }

/* Demo */
.demo { padding: 88px 0; background: var(--navy); color: #fff; }
.demo-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.demo .eyebrow { color: var(--amber); }
.demo h2 { color: #fff; }
.demo .section-sub { color: #c3cfdf; }
.demo-list { list-style: none; display: grid; gap: 12px; margin-top: 24px; }
.demo-list li { display: flex; align-items: flex-start; gap: 10px; color: #c3cfdf; }
.demo-list svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; margin-top: 3px; }
.player-card {
  background: var(--navy-2); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px; padding: 30px;
}
.player-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--amber); color: var(--navy); margin-bottom: 18px;
}
.player-icon svg { width: 28px; height: 28px; }
.player-title { font-weight: 700; font-size: 1.05rem; }
.player-sub { color: #8fa0b8; font-size: 0.9rem; margin-bottom: 18px; }
.player-card audio { width: 100%; }
.demo-note { margin-top: 16px; color: #8fa0b8; font-size: 0.92rem; }
.demo-note a { color: var(--amber); font-weight: 600; }

/* How */
.how { padding: 88px 0; background: var(--bg); }
.how h2 { margin-bottom: 44px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; position: relative; background: #fff;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--amber); color: var(--navy);
  font-weight: 800; font-size: 1.2rem; margin-bottom: 18px;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* Pricing */
.pricing { padding: 88px 0; background: var(--bg-soft); text-align: center; }
.pricing h2 { margin-bottom: 12px; }
.pricing .section-sub { margin: 0 auto 44px; }
.price-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 760px; margin: 0 auto; text-align: left; }
.price-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; padding: 36px; position: relative;
  display: flex; flex-direction: column;
}
.price-card.featured { border: 2px solid var(--amber); box-shadow: var(--shadow); }
.badge {
  position: absolute; top: -14px; left: 36px;
  background: var(--amber); color: var(--navy);
  font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 5px 14px; border-radius: 20px;
}
.price { font-size: 2.2rem; font-weight: 800; color: var(--navy); margin: 8px 0 22px; }
.price-from { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-note { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-card ul { list-style: none; display: grid; gap: 12px; margin-bottom: 28px; flex: 1; }
.price-card ul li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.95rem; }
.price-card ul svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; margin-top: 3px; }
.price-card .btn { margin-top: auto; }
.pricing-fine {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 32px; color: var(--muted); font-size: 0.95rem;
}
.pricing-fine svg { width: 20px; height: 20px; color: var(--green); }
.guarantee-banner {
  display: flex; align-items: flex-start; gap: 18px;
  max-width: 760px; margin: 32px auto 0; padding: 26px 28px;
  background: linear-gradient(135deg, #fff6e0 0%, #fffdf5 100%);
  border: 2px solid var(--amber); border-radius: 16px;
  box-shadow: var(--shadow); text-align: left;
}
.guarantee-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  background: var(--amber); color: var(--navy);
}
.guarantee-icon svg { width: 26px; height: 26px; }
.guarantee-copy h3 { margin-bottom: 6px; font-size: 1.2rem; }
.guarantee-copy p { color: var(--ink); font-size: 1rem; margin: 0; }

/* Contact */
.contact { padding: 96px 0; background: var(--navy); color: #fff; text-align: center; }
.contact h2 { color: #fff; margin-bottom: 12px; }
.contact .section-sub { color: #c3cfdf; margin: 0 auto 34px; }
.contact-actions { margin-bottom: 22px; }
.contact-note { color: #8fa0b8; font-size: 0.92rem; }

/* Footer */
.footer { background: #0a1420; color: #8fa0b8; padding: 32px 0; }
.footer-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 0.9rem; }
.footer .brand-name { color: #fff; }
.footer p { margin-left: auto; }
.footer a { color: #8fa0b8; text-decoration: none; }
.footer a:hover { color: var(--amber); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner, .demo-inner { grid-template-columns: 1fr; gap: 40px; }
  .call-card { margin: 0 auto; }
  .cards, .problem-grid, .steps { grid-template-columns: 1fr; }
  .price-cards { grid-template-columns: 1fr; }
  .nav-links, .nav .btn { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; right: 0; background: #fff;
    padding: 20px 24px; border-bottom: 1px solid var(--line); gap: 16px;
  }
  .hero { padding: 60px 0; }
  .problem, .services, .demo, .how, .pricing { padding: 60px 0; }
}