:root {
  --bg: #07111b;
  --bg-soft: #0d1a27;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.09);
  --text: #eef2f7;
  --muted: #b7c1cf;
  --line: rgba(255, 255, 255, 0.12);
  --gold: #f4b85f;
  --gold-2: #ffdf8b;
  --accent: #ff9f2f;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(255, 184, 95, 0.18), transparent 28%),
    radial-gradient(circle at top left, rgba(255, 159, 47, 0.12), transparent 24%),
    linear-gradient(180deg, #050c13 0%, var(--bg) 35%, #091624 100%);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 32px), var(--container)); margin: 0 auto; }
.section { padding: 72px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(4, 12, 18, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-wrap, .footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand strong { display: block; font-size: 1rem; }
.brand small { color: var(--muted); }
.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #08101a;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}
.top-nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #08101a;
  box-shadow: 0 18px 40px rgba(244, 184, 95, 0.24);
}
.btn-outline {
  border-color: rgba(255, 184, 95, 0.48);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.hero {
  padding-top: 56px;
}
.hero-grid,
.calculator-grid,
.comparison-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 34px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 184, 95, 0.1);
  border: 1px solid rgba(255, 184, 95, 0.28);
  color: var(--gold-2);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.hero-copy h1,
.section-heading h2,
.comparison-copy h2,
.cta-banner h2 {
  margin: 18px 0 16px;
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.hero-copy h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
.lead {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
  max-width: 740px;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.micro-note {
  margin-top: 16px;
  color: var(--gold-2);
  font-size: 0.98rem;
}
.hero-card,
.highlights-card,
.calculator-card,
.poster-card,
.comparison-image-wrap,
.step-card,
.stat-card,
.cta-banner,
.faq-list details {
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card,
.comparison-image-wrap {
  overflow: hidden;
}
.hero-card img,
.comparison-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.stats-grid,
.steps-grid,
.gallery-grid {
  display: grid;
  gap: 22px;
}
.stats-grid {
  grid-template-columns: repeat(4, 1fr);
}
.stat-card { padding: 26px; }
.stat-card.accent {
  background: linear-gradient(135deg, rgba(255,184,95,0.24), rgba(255,159,47,0.18));
}
.stat-label,
.calc-label {
  display: block;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  margin-bottom: 10px;
}
.stat-card h2,
.highlights-card h3,
.comparison-copy h2,
.cta-banner h2,
.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}
.stat-card h2 { margin: 0 0 10px; font-size: 2rem; }
.stat-card p,
.step-card p,
.highlights-card li,
.comparison-copy p,
.faq-list p,
.cta-banner p,
.site-footer p,
.section-heading p {
  color: var(--muted);
  line-height: 1.7;
}
.section-heading { text-align: center; max-width: 760px; margin: 0 auto 34px; }
.section-heading.left { text-align: left; margin: 0 0 24px; }
.steps-grid { grid-template-columns: repeat(4, 1fr); }
.step-card { padding: 28px; }
.step-number {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--gold), var(--accent));
  color: #09131e;
  font-weight: 800;
}
.step-card h3 { margin: 0 0 12px; font-size: 1.18rem; }
.calculator-card,
.highlights-card,
.cta-banner { padding: 28px; }
.calculator-card label {
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
}
.calculator-card input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
}
.range-value {
  margin-top: 10px;
  color: var(--gold-2);
  font-weight: 700;
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 26px;
}
.calc-grid strong {
  display: block;
  font-size: 1.5rem;
}
.highlights-card ul,
.bullet-list {
  margin: 0;
  padding-left: 20px;
}
.highlights-card li,
.bullet-list li { margin: 10px 0; }
.cta-stack {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}
.gallery-grid { grid-template-columns: repeat(3, 1fr); }
.poster-card { overflow: hidden; padding: 12px; }
.poster-card img {
  width: 100%;
  border-radius: 16px;
}
.comparison-copy p { margin-bottom: 18px; }
.faq-list {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.faq-list details { padding: 20px 22px; }
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list p { margin: 14px 0 0; }
.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.16);
}
.footer-wrap { min-height: 76px; }

@media (max-width: 1080px) {
  .hero-grid,
  .calculator-grid,
  .comparison-grid,
  .stats-grid,
  .steps-grid,
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-grid,
  .calculator-grid,
  .comparison-grid,
  .cta-banner {
    grid-template-columns: 1fr;
  }
  .cta-banner { align-items: flex-start; }
}

@media (max-width: 760px) {
  .top-nav {
    display: none;
  }
  .section { padding: 54px 0; }
  .stats-grid,
  .steps-grid,
  .gallery-grid,
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .hero-copy h1,
  .section-heading h2,
  .comparison-copy h2,
  .cta-banner h2 { font-size: 2.2rem; }
  .footer-wrap,
  .nav-wrap {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }
}