:root {
  color-scheme: dark;
  --bg: #0e0c0b;
  --text-bright: rgba(255, 255, 255, 0.95);
  --text-primary: rgba(255, 255, 255, 0.9);
  --text-secondary: rgba(255, 255, 255, 0.78);
  --text-body: rgba(255, 255, 255, 0.66);
  --text-subtle: rgba(255, 255, 255, 0.54);
  --text-meta: rgba(255, 255, 255, 0.44);
  --border: rgba(255, 255, 255, 0.09);
  --surface: rgba(255, 255, 255, 0.025);
  --accent: rgba(255, 140, 0, 0.8);
  --accent-border: rgba(255, 140, 0, 0.35);
  --accent-bg: rgba(255, 140, 0, 0.07);
  --shell: 1120px;
  --font-heading: "Georama", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 75% 0%, rgba(255, 95, 0, 0.09), transparent 38%),
    radial-gradient(ellipse at 10% 90%, rgba(76, 0, 112, 0.06), transparent 42%),
    var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(255, 120, 0, 0.22); }
a { color: inherit; }
img { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid rgba(255, 140, 0, 0.9);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  border-radius: 4px;
  background: #fff;
  color: var(--bg);
  font-weight: 500;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }
.shell { width: calc(100vw - 48px); max-width: var(--shell); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(14, 12, 11, 0.84);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { width: 132px; }

.back-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  color: var(--text-subtle);
  font-size: 13px;
  text-decoration: none;
}

.back-link:hover { color: var(--text-bright); }

.product-hero {
  min-height: 68svh;
  display: grid;
  align-items: center;
  padding: 110px 0 96px;
  border-bottom: 1px solid var(--border);
}

.eyebrow,
.section-label {
  margin: 0 0 24px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: var(--font-heading);
  font-stretch: expanded;
}

h1 {
  max-width: 980px;
  margin-bottom: 28px;
  color: var(--text-bright);
  font-size: clamp(40px, 6.2vw, 74px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.02;
  overflow-wrap: break-word;
}

.hero-lead {
  max-width: 760px;
  margin: 0;
  color: var(--text-secondary);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 38px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 1px solid var(--accent-border);
  border-radius: 100px;
  background: var(--accent-bg);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.button:hover { background: rgba(255, 140, 0, 0.12); color: var(--text-bright); }
.text-link { color: var(--text-subtle); font-size: 14px; text-underline-offset: 5px; }
.section { padding: 96px 0; border-bottom: 1px solid var(--border); }

.section-heading {
  display: grid;
  grid-template-columns: minmax(230px, 0.75fr) minmax(0, 1.25fr);
  gap: 70px;
  margin-bottom: 52px;
}

.section-heading > * { min-width: 0; }

.section-heading h2 {
  margin-bottom: 0;
  color: var(--text-primary);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
  overflow-wrap: break-word;
}

.section-intro { max-width: 670px; margin: 0; color: var(--text-body); font-size: 18px; }

.feature-grid,
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.feature,
.benefit {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.feature span,
.benefit span,
.step span { color: var(--text-meta); font-size: 11px; letter-spacing: 0.08em; }

.feature h3,
.benefit h3,
.step h3 {
  margin: 64px 0 12px;
  color: var(--text-secondary);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.feature p,
.benefit p,
.step p { margin: 0; color: var(--text-body); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border); }
.step { padding: 30px 30px 6px 0; }
.step + .step { padding-left: 30px; border-left: 1px solid var(--border); }
.step h3 { margin-top: 52px; }

.faq-list { max-width: 900px; margin-left: auto; border-top: 1px solid var(--border); }

details { border-bottom: 1px solid var(--border); }
summary {
  padding: 24px 4px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  list-style-position: outside;
}

details p { max-width: 760px; margin: -4px 0 26px; color: var(--text-body); }

.cta { padding: 112px 0; text-align: center; }
.cta h2 {
  max-width: 860px;
  margin: 0 auto 22px;
  color: var(--text-bright);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.cta p { margin: 0 auto 32px; color: var(--text-body); }
.site-footer { border-top: 1px solid var(--border); padding: 36px 0 46px; }

.footer-inner {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: start;
  gap: 28px;
}

.footer-inner img { width: 116px; margin-top: 6px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; }
.footer-links a { color: var(--text-subtle); font-size: 12px; text-underline-offset: 4px; }

@media (max-width: 760px) {
  .shell { width: calc(100vw - 32px); }
  .header-inner { min-height: 66px; }
  .brand img { width: 114px; }
  .product-hero { min-height: auto; padding: 92px 0 80px; }
  h1 { font-size: clamp(29px, 9vw, 40px); letter-spacing: -0.035em; line-height: 1.06; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .section { padding: 76px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 38px; }
  .feature-grid,
  .benefit-grid,
  .steps { grid-template-columns: 1fr; }
  .feature,
  .benefit { min-height: 205px; padding: 26px 24px; }
  .step { padding: 26px 0 32px; }
  .step + .step { padding-left: 0; border-top: 1px solid var(--border); border-left: 0; }
  .step h3 { margin-top: 34px; }
  .cta { padding: 84px 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}