/* LeanFast — brand colours sampled from the app icon */
:root {
  --indigo: #6a63f2; --mint: #3fe0b5; --pink: #f98fc0; --sky: #4ab3ff; --coral: #ff6b5e; --amber: #ffb547;
  --brand: linear-gradient(135deg, var(--indigo) 0%, var(--sky) 55%, var(--mint) 100%);
  --brand-warm: linear-gradient(135deg, var(--pink), var(--indigo) 60%, var(--sky));
  --bg: #f5f7fc; --bg2: #ffffff; --ink: #0d1328; --muted: #5a6380; --line: rgba(13,19,40,.08);
  --glass: rgba(255,255,255,.62); --edge: rgba(255,255,255,.9); --shadow: 0 20px 60px rgba(40,50,110,.12);
  --radius: 28px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #070a16; --bg2: #0e1326; --ink: #eef1fb; --muted: #9ba4c2; --line: rgba(255,255,255,.08);
    --glass: rgba(24,30,54,.55); --edge: rgba(255,255,255,.12); --shadow: 0 20px 60px rgba(0,0,0,.45); }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); overflow-x: hidden;
  font: 17px/1.6 ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, system-ui, sans-serif; }
img { max-width: 100%; display: block; }
a { color: var(--indigo); }
@media (prefers-color-scheme: dark) { a { color: #9d97ff; } }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.aura { position: fixed; inset: -25% -10% auto; height: 110vh; z-index: -1; filter: blur(90px); opacity: .5; pointer-events: none;
  background: radial-gradient(35% 40% at 15% 25%, var(--indigo), transparent 70%), radial-gradient(30% 35% at 85% 15%, var(--mint), transparent 70%),
              radial-gradient(35% 35% at 20% 85%, var(--pink), transparent 70%), radial-gradient(35% 40% at 85% 80%, var(--sky), transparent 70%); }
@media (prefers-color-scheme: dark) { .aura { opacity: .32; } }

/* Nav */
header.nav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(20px) saturate(1.6); -webkit-backdrop-filter: blur(20px) saturate(1.6);
  background: color-mix(in srgb, var(--bg) 70%, transparent); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 4px 14px rgba(106,99,242,.35); }
.links { display: flex; gap: 22px; font-size: 15px; font-weight: 600; }
.links a { color: var(--muted); text-decoration: none; }
.links a:hover { color: var(--ink); }
@media (max-width: 820px) { .links .opt { display: none; } }
@media (max-width: 420px) { .links { gap: 14px; font-size: 14px; } }

/* Type */
h1, h2, h3 { letter-spacing: -.025em; line-height: 1.08; margin: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--indigo); }
@media (prefers-color-scheme: dark) { .eyebrow { color: #9d97ff; } }
.grad { background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); }
section { padding: 88px 0; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(32px, 5vw, 50px); margin: 12px 0 14px; }

/* Glass */
.glass { background: var(--glass); border: 1px solid var(--edge); border-radius: var(--radius); box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(1.5); -webkit-backdrop-filter: blur(24px) saturate(1.5); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; font-weight: 800; text-decoration: none; font-size: 17px; border: 0; cursor: pointer; }
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-ghost { background: var(--glass); color: var(--ink); border: 1px solid var(--edge); }
.btn svg { width: 20px; height: 20px; }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(46px, 7.4vw, 84px); margin: 18px 0 20px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero .note { font-size: 14px; color: var(--muted); }
.stack { position: relative; height: 640px; }
.stack .phone { position: absolute; width: 270px; }
.stack .p1 { left: 6%; top: 56px; z-index: 1; }
.stack .p2 { right: 6%; top: 0; z-index: 2; }
.icon-float { position: absolute; width: 110px; height: 110px; border-radius: 26px; left: 44%; bottom: 10px; z-index: 3;
  box-shadow: 0 20px 50px rgba(106,99,242,.45); animation: bob 6s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-10px); } }
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero .actions { justify-content: center; }
  .stack { height: 520px; max-width: 460px; margin: 0 auto; width: 100%; }
  .stack .phone { width: 220px; }
}
@media (max-width: 480px) { .stack { height: 440px; } .stack .phone { width: 180px; } .icon-float { width: 84px; height: 84px; left: 38%; } }

/* Phone frame */
.phone { border-radius: 46px; padding: 9px; background: linear-gradient(145deg, #1d2238, #05070f); box-shadow: 0 30px 80px rgba(20,24,60,.35), inset 0 0 0 1.5px rgba(255,255,255,.12); }
.phone { height: max-content; }
.phone img { border-radius: 38px; width: 100%; height: auto; aspect-ratio: 1320 / 2868; object-fit: cover; }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 8px; }
.stat { padding: 22px; text-align: center; }
.stat b { display: block; font-size: 30px; letter-spacing: -.02em; }
.stat span { font-size: 14px; color: var(--muted); }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { padding: 26px 24px 0; overflow: hidden; display: flex; flex-direction: column; }
.step .num { width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 800; }
.step h3 { font-size: 22px; margin: 16px 0 8px; }
.step p { margin: 0 0 22px; color: var(--muted); font-size: 16px; }
.step .shot { margin-top: auto; border-radius: 30px 30px 0 0; overflow: hidden; box-shadow: 0 -2px 30px rgba(20,24,60,.12); max-height: 360px; }
.step .shot img { width: 100%; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }

/* Programs */
.programs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.prog { padding: 28px; position: relative; overflow: hidden; }
.prog .badge { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; color: #fff; }
.prog h3 { font-size: 34px; margin: 14px 0 6px; }
.prog p { color: var(--muted); margin: 0 0 20px; font-size: 16px; }
.ramp { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; align-items: end; height: 110px; }
.ramp div { border-radius: 10px; position: relative; }
.ramp div::after { content: attr(data-l); position: absolute; top: -24px; left: 0; right: 0; text-align: center; font-size: 13px; font-weight: 800; color: var(--ink); }
.ramp-labels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 8px; font-size: 12px; color: var(--muted); text-align: center; }
.prog .who { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.spark .badge, .spark .ramp div { background: linear-gradient(135deg, #ffb547, #ff7a59); }
.flow .badge, .flow .ramp div { background: linear-gradient(135deg, #4ab3ff, #6a63f2); }
.blaze .badge, .blaze .ramp div { background: linear-gradient(135deg, #ff6b5e, #d9467c); }
@media (max-width: 860px) { .programs { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; } }

/* Feature rows */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature + .feature { margin-top: 96px; }
.feature.rev .copy { order: 2; }
.feature h2 { font-size: clamp(30px, 4.4vw, 46px); margin: 12px 0 16px; }
.feature .phones { display: flex; justify-content: center; align-items: flex-start; gap: 20px; }
.feature .phones .phone { width: 260px; }
.feature .phones .phone:nth-child(2) { margin-top: 60px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.checks li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: start; }
.checks li::before { content: ""; width: 26px; height: 26px; border-radius: 50%; margin-top: 1px; align-self: start;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 14px no-repeat, var(--brand); }
.checks b { display: block; }
.checks span { color: var(--muted); font-size: 16px; }
@media (max-width: 900px) {
  .feature { grid-template-columns: 1fr; gap: 36px; }
  .feature.rev .copy { order: 0; }
  .feature .phones .phone { width: 42vw; max-width: 240px; }
}

/* Lens modes */
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; }
.mode { padding: 18px; text-align: center; }
.mode .ic { width: 46px; height: 46px; border-radius: 14px; margin: 0 auto 10px; display: grid; place-items: center; color: #fff; }
.mode .ic svg { width: 24px; height: 24px; }
.mode b { display: block; font-size: 16px; }
.mode span { font-size: 13px; color: var(--muted); }
.langs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.langs span { font-size: 13px; font-weight: 700; padding: 6px 12px; border-radius: 999px; background: var(--glass); border: 1px solid var(--edge); }

/* Stages timeline */
.stages { display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; position: relative; }
.stage { padding: 20px 16px; }
.stage .h { font-size: 13px; font-weight: 800; color: var(--muted); }
.stage h3 { font-size: 18px; margin: 8px 0 6px; }
.stage p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.5; }
.stage .bar { height: 6px; border-radius: 6px; margin-bottom: 14px; }
@media (max-width: 1000px) { .stages { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .stages { grid-template-columns: 1fr; } }
.disclaimer { text-align: center; font-size: 14px; color: var(--muted); margin-top: 22px; }

/* Everywhere grid */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tile { padding: 26px; }
.tile .ic { width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; color: #fff; background: var(--brand); margin-bottom: 16px; }
.tile .ic svg { width: 26px; height: 26px; }
.tile h3 { font-size: 20px; margin-bottom: 6px; }
.tile p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 860px) { .tiles { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .tiles { grid-template-columns: 1fr; } }

/* Pricing */
.toggle { display: inline-flex; padding: 5px; border-radius: 999px; background: var(--glass); border: 1px solid var(--edge); margin-top: 22px; }
.toggle button { border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 800; font-size: 15px; padding: 8px 18px; border-radius: 999px; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }
.plan { padding: 28px 24px; display: flex; flex-direction: column; }
.plan h3 { font-size: 22px; }
.plan .price { font-size: 42px; font-weight: 800; letter-spacing: -.03em; margin: 14px 0 2px; }
.plan .per { font-size: 14px; color: var(--muted); min-height: 44px; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 9px; font-size: 15px; }
.plan li::before { content: "✓"; color: var(--mint); font-weight: 900; margin-right: 8px; }
.plan.best { background: linear-gradient(var(--bg2), var(--bg2)) padding-box, var(--brand) border-box; border: 2px solid transparent; position: relative; }
.plan .tag { position: absolute; top: -13px; left: 24px; font-size: 12px; font-weight: 800; letter-spacing: .06em; color: #fff; background: var(--brand); padding: 5px 12px; border-radius: 999px; }
.tax { text-align: center; font-size: 14px; color: var(--muted); margin-top: 20px; }
@media (max-width: 980px) { .plans { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .plans { grid-template-columns: 1fr; } }

/* Privacy band */
.band { padding: 44px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; align-items: center; }
.band h2 { font-size: clamp(28px, 4vw, 40px); margin: 10px 0 12px; }
.band .pills { display: grid; gap: 12px; }
.band .pill { display: flex; gap: 14px; align-items: center; padding: 14px 18px; border-radius: 18px; background: var(--bg2); border: 1px solid var(--line); font-weight: 700; font-size: 15px; }
.band .pill i { font-style: normal; font-size: 20px; }
@media (max-width: 860px) { .band { grid-template-columns: 1fr; padding: 28px; } }

/* Safety */
.safety { padding: 32px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; border-left: 5px solid var(--coral); }
.safety .ic { font-size: 30px; }
.safety h3 { font-size: 22px; margin-bottom: 8px; }
.safety p { margin: 0; color: var(--muted); }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { padding: 20px 24px; border-radius: 22px; }
.faq summary { font-weight: 800; font-size: 18px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; line-height: 1; color: var(--indigo); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* CTA */
.cta { text-align: center; padding: 64px 28px; }
.cta img { width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 22px; box-shadow: 0 16px 40px rgba(106,99,242,.4); }
.cta h2 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 12px; }

/* Footer */
footer { padding: 40px 0 56px; border-top: 1px solid var(--line); margin-top: 40px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; font-size: 14px; color: var(--muted); }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }

/* Docs (legal/support) */
.doc { padding: clamp(24px, 5vw, 52px); margin: 40px auto 20px; max-width: 820px; }
.doc h1 { font-size: clamp(34px, 6vw, 48px); margin-bottom: 8px; }
.doc h2 { font-size: 22px; margin: 34px 0 8px; }
.doc .muted { color: var(--muted); }

/* Reveal on scroll (only when JS runs) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } .icon-float { animation: none; } html { scroll-behavior: auto; } }