/* ==========================================================================
   LapSmith marketing site
   Motorsport dark theme: near-black tarmac, teal racing accent, amber marker
   ========================================================================== */

:root {
  --bg: #0a0d10;
  --bg-raised: #11161b;
  --bg-card: #141a20;
  --line: #232c34;
  --text: #e8edf2;
  --text-dim: #9aa7b2;
  --accent: #2dd4bf;        /* teal from the app icon */
  --accent-dim: #14b8a6;
  --amber: #f5a623;         /* start-finish dot */
  --red: #e5484d;           /* recording */
  --radius: 10px;
  --font-display: "Chakra Petch", sans-serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-display); line-height: 1.1; text-transform: uppercase; letter-spacing: 0.02em; }
h1 { font-size: clamp(2.8rem, 7vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }

.accent { color: var(--accent); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

a { color: var(--accent); text-decoration: none; }

/* ---- kicker with checkered flag chip ---- */
.kicker {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--amber);
  margin-bottom: 14px;
}
.kicker__flag {
  width: 22px; height: 14px; flex: none;
  background:
    repeating-conic-gradient(#e8edf2 0% 25%, #0a0d10 0% 50%) 0 0 / 7px 7px;
  border: 1px solid var(--line);
  transform: skewX(-12deg);
}

/* ---- buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary {
  background: var(--accent); color: #04211d;
  box-shadow: 0 0 24px rgba(45, 212, 191, 0.25);
}
.btn--primary:hover { background: #41e2cd; transform: translateY(-1px); }
.btn--small { padding: 9px 18px; font-size: 0.8rem; }

/* ==========================================================================
   NAV
   ========================================================================== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 13, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav__brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.nav__mark { width: 34px; height: 34px; }
.mark-track { fill: none; stroke: var(--accent); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.mark-dot { fill: var(--amber); }
.nav__name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.06em; }
.nav__name em { font-style: normal; color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links a:not(.btn) {
  color: var(--text-dim);
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  transition: color 0.15s;
}
.nav__links a:not(.btn):hover { color: var(--accent); }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: 0.2s; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { position: relative; padding: 90px 0 120px; overflow: hidden; }
.hero__grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(rgba(45, 212, 191, 0.04) 1px, transparent 1px) 0 0 / 100% 48px,
    linear-gradient(90deg, rgba(45, 212, 191, 0.04) 1px, transparent 1px) 0 0 / 48px 100%;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 20%, #000 30%, transparent 75%);
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center;
}
.hero__sub { color: var(--text-dim); font-size: 1.1rem; max-width: 32rem; margin: 22px 0 32px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.store-badge {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 20px;
  transition: border-color 0.15s, transform 0.15s;
}
.store-badge:hover { border-color: var(--accent); transform: translateY(-1px); }
.store-badge svg { width: 26px; height: 26px; fill: var(--text); }
.store-badge span { display: flex; flex-direction: column; line-height: 1.25; font-family: var(--font-display); font-weight: 600; }
.store-badge small { font-size: 0.65rem; color: var(--text-dim); font-family: var(--font-body); font-weight: 400; text-transform: uppercase; letter-spacing: 0.08em; }

.hero__stats { display: flex; gap: 36px; list-style: none; }
.hero__stats li { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }
.hero__stats strong { font-size: 1.5rem; color: var(--text); }
.hero__stats strong span { color: var(--accent); font-size: 1rem; }

.hero__visual { position: relative; display: flex; justify-content: center; }
.hero__glow {
  position: absolute; inset: -10% -20%; z-index: -1;
  background: radial-gradient(ellipse at center, rgba(45, 212, 191, 0.13), transparent 65%);
}

/* ---- phone frame ---- */
.phone {
  width: 280px; aspect-ratio: 9 / 19;
  background: #1a2026;
  border: 2px solid #2c353e;
  border-radius: 38px;
  padding: 10px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55);
  position: relative;
}
.phone__notch {
  position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 90px; height: 22px; background: #0a0d10; border-radius: 12px; z-index: 2;
}
.phone__screen {
  width: 100%; height: 100%;
  border-radius: 28px; overflow: hidden;
  background: var(--bg);
}
.phone__screen-img { width: 100%; height: 100%; object-fit: cover; border-radius: 28px; display: block; }

/* ---- stylized placeholder "live session" screen ---- */
.placeholder-screen {
  display: flex; flex-direction: column;
  padding: 48px 18px 18px;
  position: relative;
}
.placeholder-screen::after {
  content: attr(data-label);
  position: absolute; bottom: 6px; left: 0; right: 0;
  text-align: center; font-size: 0.55rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-dim); opacity: 0.7;
}
.ps__statusbar { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--text-dim); margin-bottom: 18px; }
.ps__rec { color: var(--red); font-weight: 600; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.ps__laptime { font-size: 2.6rem; font-weight: 700; letter-spacing: -0.02em; }
.ps__laptime span { color: var(--text-dim); font-size: 1.6rem; }
.ps__delta { font-size: 1.1rem; font-weight: 700; margin: 4px 0 18px; }
.ps__delta--neg { color: var(--accent); }
.ps__rows { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--line); padding-top: 14px; }
.ps__row { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-dim); }
.ps__row .mono { color: var(--text); }
.ps__ok { color: var(--accent); }
.ps__trace { margin-top: auto; }
.ps__trace svg { width: 100%; height: 52px; }
.ps__trace path { fill: none; stroke: var(--accent); stroke-width: 2; opacity: 0.8; }

/* ==========================================================================
   SECTION DIVIDERS
   ========================================================================== */
.divider { height: 22px; position: relative; }
.divider--checker {
  background: repeating-conic-gradient(#161c22 0% 25%, #0d1115 0% 50%) 0 0 / 22px 22px;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}
.divider--flip { transform: scaleY(-1); }
.divider--slant {
  height: 70px; background: var(--bg);
  clip-path: polygon(0 0, 100% 60%, 100% 100%, 0 100%);
  background: var(--bg-raised);
}

/* ==========================================================================
   VIDEO STRIP
   ========================================================================== */
.video-strip { padding: 80px 0 30px; }
.video-frame, .video-placeholder {
  width: 100%; aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  display: block;
}
.video-placeholder {
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.06), transparent 50%),
    var(--bg-card);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--text-dim);
  position: relative;
}
.video-placeholder__play {
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(45, 212, 191, 0.12);
  border: 2px solid var(--accent);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 1.4rem; padding-left: 5px;
}
.video-placeholder__dims {
  position: absolute; bottom: 14px; right: 18px;
  font-size: 0.7rem; color: var(--text-dim); opacity: 0.6;
}

/* ==========================================================================
   FEATURES
   ========================================================================== */
.features { padding: 90px 0 0; position: relative; }
.features .container { padding-bottom: 90px; }
.features__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-top: 44px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
  opacity: 0; transition: opacity 0.2s;
}
.card:hover { border-color: rgba(45, 212, 191, 0.4); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card__icon {
  width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 8px;
  background: rgba(45, 212, 191, 0.1);
  display: grid; place-items: center;
}
.card__icon svg { width: 24px; height: 24px; stroke: var(--accent); fill: var(--accent); }
.card__icon svg [fill="none"] { fill: none; }
.card p { color: var(--text-dim); font-size: 0.92rem; }

/* ==========================================================================
   HOW IT WORKS
   ========================================================================== */
.how { padding: 90px 0; background: var(--bg-raised); }
.how__steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  list-style: none; margin-top: 44px;
  counter-reset: step;
}
.how__steps li {
  border-left: 2px solid var(--line);
  padding-left: 22px;
  position: relative;
}
.how__steps li::before {
  content: ""; position: absolute; left: -2px; top: 0; height: 44px; width: 2px;
  background: var(--accent);
}
.how__num { display: block; color: var(--amber); font-weight: 700; font-size: 0.9rem; margin-bottom: 10px; }
.how__steps p { color: var(--text-dim); font-size: 0.92rem; }

/* ==========================================================================
   GALLERY
   ========================================================================== */
.gallery { padding: 90px 0; }
.gallery__hint { color: var(--text-dim); font-size: 0.9rem; margin-top: -6px; }
.gallery__scroll {
  display: flex; gap: 26px;
  overflow-x: auto;
  padding: 40px 24px 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.gallery__scroll::-webkit-scrollbar { height: 8px; }
.gallery__scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.phone--mini {
  width: 200px; flex: none;
  scroll-snap-align: center;
  border-radius: 28px; padding: 7px;
  margin: 0;
}
.phone--mini .phone__screen { border-radius: 21px; }
.phone--mini figcaption {
  text-align: center; margin-top: 14px;
  font-size: 0.78rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.1em;
  font-family: var(--font-display);
}
.placeholder-shot {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(45, 212, 191, 0.04) 14px 28px),
    var(--bg-card);
  color: var(--text-dim);
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  text-align: center; padding: 0 12px;
}
.placeholder-shot .mono { color: var(--amber); font-size: 1.3rem; }

/* ==========================================================================
   CARPLAY
   ========================================================================== */
.carplay { padding: 90px 0 110px; background: var(--bg-raised); position: relative; }
.carplay__inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.carplay__copy p:last-child { color: var(--text-dim); max-width: 28rem; }
.carplay-frame {
  background: #1a2026;
  border: 2px solid #2c353e;
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
}
.carplay-frame img { width: 100%; display: block; border-radius: 10px; }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { padding: 110px 0; text-align: center; position: relative; overflow: hidden; }
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(45, 212, 191, 0.09), transparent 70%);
}
.cta__inner { position: relative; }
.cta p { color: var(--text-dim); max-width: 30rem; margin: 0 auto 28px; }
.cta__form {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  max-width: 460px; margin: 0 auto;
}
.cta__form input {
  flex: 1; min-width: 220px;
  background: var(--bg-card); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px;
  font-family: var(--font-body); font-size: 0.95rem;
}
.cta__form input:focus { outline: none; border-color: var(--accent); }
.cta__note { font-size: 0.8rem !important; margin-top: 16px !important; opacity: 0.7; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { border-top: 1px solid var(--line); padding: 44px 0; background: var(--bg-raised); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--text-dim); font-size: 0.85rem; transition: color 0.15s; }
.footer__links a:hover { color: var(--accent); }
.footer__legal { color: var(--text-dim); font-size: 0.8rem; width: 100%; margin-top: 8px; opacity: 0.7; }

/* ==========================================================================
   REVEAL ANIMATION
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal--delay { transition-delay: 0.15s; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .ps__rec { animation: none; }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__cta, .hero__stats { justify-content: center; }
  .kicker { justify-content: center; }
  .features .kicker, .how .kicker, .gallery .kicker, .carplay .kicker { justify-content: flex-start; }
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .how__steps { grid-template-columns: 1fr; }
  .carplay__inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav__links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start;
    background: var(--bg-raised);
    border-bottom: 1px solid var(--line);
    padding: 20px 24px;
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__toggle { display: block; }
  .features__grid { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .hero__stats { gap: 22px; }
  .phone { width: 240px; }
}