/* LaunchStack — landing page design system */
:root {
  --bg: #0a0e17;
  --bg-alt: #0e1420;
  --card: #131a2a;
  --card-edge: #1f2940;
  --text: #eef2f8;
  --muted: #94a0b8;
  --accent: #f97316;
  --accent-hot: #fb923c;
  --accent-dark: #ea580c;
  --green: #34d399;
  --red: #f87171;
  --radius: 16px;
  --maxw: 1120px;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1 { font-size: clamp(2.3rem, 5.2vw, 3.9rem); line-height: 1.06; letter-spacing: -0.03em; font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); letter-spacing: -0.02em; font-weight: 800; margin-bottom: 14px; }
h3 { font-size: 1.05rem; font-weight: 700; }
p { color: var(--muted); }
h1, h2, h3 { color: var(--text); }
strong { color: var(--text); }
code { background: var(--card); border: 1px solid var(--card-edge); padding: 2px 7px; border-radius: 6px; font-size: .88em; }

.grad {
  background: linear-gradient(92deg, var(--accent) 0%, var(--accent-hot) 60%, #fbbf24 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.eyebrow {
  text-transform: uppercase; letter-spacing: .16em; font-size: .74rem;
  color: var(--accent); font-weight: 800; margin-bottom: 10px;
}

/* Buttons */
.btn {
  display: inline-block; font-weight: 700; text-decoration: none; text-align: center;
  border-radius: 12px; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: none; font-family: inherit; cursor: pointer;
}
.btn-primary {
  background: linear-gradient(180deg, var(--accent-hot), var(--accent));
  color: #fff; padding: 14px 28px;
  box-shadow: 0 6px 24px rgba(249, 115, 22, .35), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(249, 115, 22, .5), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--card-edge); padding: 14px 28px; }
.btn-ghost:hover { border-color: var(--muted); transform: translateY(-2px); }
.btn-lg { font-size: 1.08rem; padding: 17px 36px; }
.btn-sm { font-size: .9rem; padding: 10px 20px; }
.btn-block { display: block; width: 100%; }
.cta-sub { font-size: .84rem; margin-top: 12px; color: var(--muted); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(10, 14, 23, .82); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(31, 41, 64, .6);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 1.15rem; font-weight: 900; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 26px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .92rem; font-weight: 600; }
.nav-links a:hover { color: var(--text); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: 90px 0 100px;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(249, 115, 22, .14), transparent 60%),
    radial-gradient(700px 500px at 95% 10%, rgba(59, 130, 246, .10), transparent 60%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.chip {
  display: inline-block; background: rgba(249, 115, 22, .12); border: 1px solid rgba(249, 115, 22, .35);
  color: var(--accent-hot); font-size: .84rem; font-weight: 600; padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.chip s { color: var(--muted); }
.subhead { font-size: 1.18rem; margin-top: 20px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.trust-row { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; margin-top: 26px; }
.trust-row li { color: var(--muted); font-size: .88rem; font-weight: 600; }

.hero-visual { position: relative; height: 420px; }
.hv {
  position: absolute; width: 78%; border-radius: 12px; border: 1px solid var(--card-edge);
  box-shadow: var(--shadow); transition: transform .3s ease;
}
.hv-1 { top: 0; right: 0; transform: rotate(2.5deg); z-index: 3; }
.hv-2 { top: 120px; left: 0; transform: rotate(-3deg); z-index: 2; }
.hv-3 { top: 250px; right: 30px; transform: rotate(1.5deg); z-index: 1; opacity: .9; }
.hero-visual:hover .hv-1 { transform: rotate(1deg) translateY(-6px); }
.hero-visual:hover .hv-2 { transform: rotate(-1.5deg) translateY(-6px); }

/* Stats strip */
.stats-strip { border-block: 1px solid var(--card-edge); background: var(--bg-alt); }
.stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; padding: 26px 24px; gap: 12px; }
.stats-inner b { display: block; font-size: 1.9rem; font-weight: 900; letter-spacing: -0.02em; }
.stats-inner span { color: var(--muted); font-size: .85rem; }

/* Sections */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); border-block: 1px solid rgba(31, 41, 64, .5); }
.section-sub { max-width: 660px; margin-bottom: 44px; font-size: 1.04rem; }

/* Template grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--card-edge); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-5px); border-color: rgba(249, 115, 22, .45); box-shadow: 0 14px 40px rgba(0,0,0,.4); }
.card-shot { width: 100%; height: 168px; object-fit: cover; object-position: top; border-bottom: 1px solid var(--card-edge); background: #182136; }
.card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card p { font-size: .92rem; flex: 1; }
.sell { color: var(--green); font-weight: 700; font-size: .84rem; }
.demo-link { color: var(--accent-hot); font-weight: 700; font-size: .87rem; text-decoration: none; margin-top: 10px; display: inline-block; }
.demo-link:hover { text-decoration: underline; }
.shot-note { margin-top: 26px; font-size: .86rem; font-style: italic; }
.nav-free { color: var(--accent-hot) !important; }
.free-strip {
  margin-top: 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  background: linear-gradient(90deg, rgba(249,115,22,.08), transparent 60%), var(--card);
  border: 1px dashed rgba(249, 115, 22, .5); border-radius: var(--radius); padding: 24px 28px;
}
.free-strip h3 { margin-bottom: 2px; }
.free-strip p { font-size: .93rem; }

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 20px; margin-top: 34px; counter-reset: step; }
.steps li { background: var(--card); border-radius: var(--radius); padding: 24px 20px; border: 1px solid var(--card-edge); position: relative; }
.step-num {
  display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center;
  background: linear-gradient(180deg, var(--accent-hot), var(--accent)); color: #fff; border-radius: 50%;
  font-weight: 800; margin-bottom: 12px; box-shadow: 0 4px 14px rgba(249,115,22,.35);
}
.steps h3 { margin-bottom: 4px; }
.steps p { font-size: .9rem; }

/* Testimonials */
.testimonials { max-width: 660px; margin-top: 10px; }
.testimonial {
  background: var(--card); border: 1px solid var(--card-edge); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 28px 30px;
}
.testimonial p { font-size: 1.02rem; font-style: italic; color: var(--text); }
.testimonial footer { margin-top: 14px; font-size: .88rem; color: var(--muted); }

/* Pricing */
.pricing-wrap { text-align: center; display: flex; flex-direction: column; align-items: center; }
.price-box {
  width: 100%; max-width: 480px; margin-top: 34px; text-align: center;
  background: linear-gradient(180deg, rgba(249,115,22,.08), transparent 40%), var(--card);
  border: 1px solid rgba(249, 115, 22, .5); border-radius: 20px; padding: 42px 36px;
  box-shadow: 0 0 0 6px rgba(249, 115, 22, .06), var(--shadow);
}
.price-line { display: flex; align-items: baseline; justify-content: center; gap: 14px; }
.price-now { font-size: 3.6rem; font-weight: 900; letter-spacing: -0.03em; }
.price-old { font-size: 1.5rem; color: var(--muted); text-decoration: line-through; }
.price-note { margin-top: 8px; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.countdown { font-size: 1.6rem; font-weight: 800; color: var(--accent-hot); margin: 6px 0 24px; font-variant-numeric: tabular-nums; }
.price-list { list-style: none; text-align: left; margin: 0 auto 28px; max-width: 350px; }
.price-list li { padding: 8px 0 8px 30px; position: relative; color: var(--text); font-size: .95rem; }
.price-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 900; }

/* Fit */
.fit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; margin-top: 30px; }
.fit-col { border-radius: var(--radius); padding: 28px; background: var(--card); border: 1px solid var(--card-edge); }
.fit-col.yes { border-top: 3px solid var(--green); }
.fit-col.no { border-top: 3px solid var(--red); }
.fit-col ul { list-style: none; margin-top: 14px; }
.fit-col li { padding: 7px 0; color: var(--muted); font-size: .95rem; }

/* FAQ */
.faq-wrap { max-width: 760px; }
details {
  background: var(--card); border: 1px solid var(--card-edge); border-radius: 12px;
  padding: 18px 22px; margin-bottom: 12px; transition: border-color .15s ease;
}
details:hover { border-color: rgba(249, 115, 22, .4); }
details[open] { border-color: rgba(249, 115, 22, .5); }
summary { cursor: pointer; font-weight: 700; color: var(--text); list-style: none; position: relative; padding-right: 30px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 1.4rem; color: var(--accent); font-weight: 400; transition: transform .15s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin-top: 12px; font-size: .95rem; }

/* Guarantee */
.guarantee-box {
  display: flex; gap: 30px; align-items: center;
  background: var(--card); border-radius: 20px; padding: 40px; border: 1px solid var(--card-edge);
}
.guarantee-badge {
  flex-shrink: 0; width: 92px; height: 92px; border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #6ee7b7, var(--green) 70%);
  color: #052e1c; font-size: 2.1rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(52, 211, 153, .3);
}

/* Final CTA */
.final-cta {
  text-align: center; padding: 110px 24px;
  background:
    radial-gradient(700px 400px at 50% 120%, rgba(249, 115, 22, .18), transparent 65%),
    var(--bg-alt);
  border-top: 1px solid rgba(31, 41, 64, .5);
}
.final-sub { margin: 10px 0 30px; font-size: 1.05rem; }

/* Footer */
.footer { padding: 46px 0 120px; border-top: 1px solid rgba(31, 41, 64, .5); }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-note { font-size: .78rem; max-width: 560px; margin-top: 12px; }
.foot-links { display: flex; gap: 22px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 600; }
.foot-links a:hover { color: var(--text); }

/* Sticky mobile buy bar */
.sticky-buy {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
  background: rgba(10, 14, 23, .96); backdrop-filter: blur(10px);
  border-top: 1px solid var(--card-edge);
  display: none; align-items: center; justify-content: space-between; padding: 12px 18px;
}
.sticky-price { font-size: 1.15rem; font-weight: 800; }
.sticky-price s { color: var(--muted); font-size: .9rem; margin-right: 8px; font-weight: 400; }
.sticky-buy .btn { padding: 12px 24px; }

/* Scroll reveal */
.reveal-group > * { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal-group > .in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal-group > * { opacity: 1; transform: none; transition: none; }
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
}
@media (max-width: 768px) {
  .sticky-buy { display: flex; }
  .guarantee-box { flex-direction: column; text-align: center; }
  .section { padding: 64px 0; }
  .hero { padding: 60px 0 70px; }
  .final-cta { padding: 80px 24px; }
  .footer { padding-bottom: 130px; }
}