/* Polacard marketing site, shared styles. Static, no dependencies. */

:root {
  --bg: #0f1013;
  --bg-2: #0a0b0d;
  --panel: #17181c;
  --panel-2: #1c1e23;
  --cream: #f5edda;
  --cream-2: #efe4cb;
  --ink: #f4f1ea;
  --ink-soft: #e7e2d8;
  --on-cream: #34291a;
  --on-cream-soft: #6b5b3e;
  --muted: #a9a39a;
  --muted-dim: #7c766c;
  --accent: #f2b35c;
  --accent-2: #c96f4a;
  --line: #2a2c33;
  --line-cream: #e0d3b4;
  --radius: 1.15rem;
  --measure: 44rem;
  --maxw: 74rem;
  --dusk: linear-gradient(150deg, #f2b35c 0%, #e08a52 45%, #c96f4a 100%);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 clamp(16px, 1.15vw, 17.5px)/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  letter-spacing: .004em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
::selection { background: rgba(242, 179, 92, .28); }

h1, h2, h3 { letter-spacing: -.022em; line-height: 1.08; margin: 0; font-weight: 600; }
.section { padding: clamp(4rem, 9vw, 7.5rem) 1.35rem; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.prose { max-width: var(--measure); margin: 0 auto; }

.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav-in { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; gap: 1rem; padding: .85rem 1.35rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; font-size: 1.06rem; letter-spacing: -.01em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.chip {
  width: 1.55rem; height: 1.9rem; border-radius: .28rem; flex: none;
  background: var(--cream);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .5), inset 0 0 0 1px rgba(0, 0, 0, .06);
  position: relative; padding: .16rem .16rem .42rem;
}
.chip::before { content: ""; display: block; height: 100%; border-radius: .12rem; background: var(--dusk); }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
/* Primary nav action, high-contrast amber pill that clearly reads as THE action.
   The .nav-links a.nav-cta selector (0,2,1) outranks .nav-links a (0,1,1), which
   would otherwise repaint the label in muted grey and bury it in the gradient. */
.nav-links a.nav-cta {
  margin-left: .4rem;
  color: #201607; font-weight: 700; letter-spacing: -.005em;
  padding: .6rem 1.3rem; font-size: .96rem;
  box-shadow: 0 8px 22px -8px rgba(242, 179, 92, .6), inset 0 1px 0 rgba(255, 255, 255, .32);
}
.nav-links a.nav-cta:hover { color: #201607; filter: brightness(1.06); }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  font-weight: 600; font-size: .98rem; padding: .72rem 1.25rem; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer; transition: transform .15s var(--ease), filter .2s var(--ease), background .2s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--dusk); color: #1a1206; box-shadow: 0 6px 20px -6px rgba(242, 179, 92, .5); }
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, .04); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: rgba(255, 255, 255, .08); }
.btn-sm { padding: .55rem 1rem; font-size: .92rem; }

/* App Store style badge (placeholder until live) */
.appstore {
  display: inline-flex; align-items: center; gap: .7rem; padding: .6rem 1.15rem .62rem;
  border-radius: .85rem; background: #000; border: 1px solid #2b2b2e; color: #fff;
  transition: transform .15s var(--ease), border-color .2s var(--ease);
}
.appstore:hover { text-decoration: none; transform: translateY(-1px); border-color: #45454a; }
.appstore svg { width: 1.55rem; height: 1.55rem; flex: none; }
.appstore .l1 { display: block; font-size: .62rem; letter-spacing: .04em; color: #c8c8cc; line-height: 1; }
.appstore .l2 { display: block; font-size: 1.12rem; font-weight: 600; line-height: 1.15; letter-spacing: -.01em; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: clamp(3rem, 7vw, 5rem); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% 0 auto; height: 80%;
  background: radial-gradient(60% 55% at 68% 22%, rgba(242, 179, 92, .20), transparent 70%);
  filter: blur(10px); pointer-events: none; z-index: 0;
}
.hero-grid {
  position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.hero h1 { font-size: clamp(2.4rem, 6.2vw, 4.1rem); margin: 1.1rem 0 0; }
.hero h1 .accent { background: var(--dusk); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { font-size: clamp(1.1rem, 2.1vw, 1.32rem); color: var(--ink-soft); margin: 1.3rem 0 0; max-width: 32rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0 0; align-items: center; }
.trustline { margin: 1.7rem 0 0; color: var(--muted); font-size: .92rem; display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; }
.trustline span { display: inline-flex; align-items: center; gap: .4rem; }
.dot { width: .35rem; height: .35rem; border-radius: 50%; background: var(--accent); }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-cta, .trustline { justify-content: center; }
  .hero-stage { order: -1; }
}

/* ---------- Phone frame (custom CSS, faux-3D) ---------- */
.phone-stage { perspective: 1600px; display: flex; justify-content: center; }
.phone {
  --w: 300px;
  position: relative; width: var(--w); aspect-ratio: 300 / 620;
  border-radius: 2.7rem; padding: .5rem;
  background: linear-gradient(150deg, #3a3b40, #17181b 55%, #26272b);
  box-shadow:
    0 2px 3px rgba(255, 255, 255, .12) inset,
    0 -2px 4px rgba(0, 0, 0, .5) inset,
    0 45px 80px -30px rgba(0, 0, 0, .8),
    0 20px 40px -20px rgba(0, 0, 0, .6);
  transform: rotateY(-16deg) rotateX(5deg) rotateZ(.5deg);
  transition: transform .8s var(--ease);
  transform-style: preserve-3d;
}
.phone.flat { transform: none; }
.phone:hover { transform: rotateY(-6deg) rotateX(2deg); }
.phone-screen {
  position: relative; height: 100%; border-radius: 2.25rem; overflow: hidden;
  background: #000; box-shadow: 0 0 0 1px rgba(0, 0, 0, .6);
}
.phone-screen img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.island {
  position: absolute; top: .55rem; left: 50%; transform: translateX(-50%);
  width: 32%; height: 1.35rem; border-radius: 999px; background: #000; z-index: 3;
}
.phone-glare {
  position: absolute; inset: 0; z-index: 2; pointer-events: none; border-radius: 2.25rem;
  background: linear-gradient(115deg, rgba(255, 255, 255, .10) 0%, transparent 22%, transparent 78%, rgba(255, 255, 255, .05) 100%);
}
@media (prefers-reduced-motion: reduce) { .phone { transform: rotateY(-8deg); transition: none; } }
@media (max-width: 480px) { .phone { --w: 250px; transform: rotateY(-8deg) rotateX(3deg); } }

/* floating polaroid accent */
.polaroid-accent {
  position: absolute; z-index: 2; width: 128px; padding: 8px 8px 26px; background: var(--cream);
  border-radius: 5px; transform: rotate(-8deg);
  box-shadow: 0 18px 34px -14px rgba(0, 0, 0, .7);
  bottom: 4%; left: -6%;
}
.polaroid-accent .pimg { aspect-ratio: 1; border-radius: 2px; background: var(--dusk); }
.polaroid-accent .pcap { text-align: center; font-size: .62rem; color: var(--on-cream-soft); margin-top: 8px; font-style: italic; }
@media (max-width: 900px) { .polaroid-accent { display: none; } }

/* ---------- Sections: cream + dark ---------- */
.cream { background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%); color: var(--on-cream); }
.cream h2 { color: var(--on-cream); }
.cream .lead, .cream p { color: var(--on-cream-soft); }
.cream a { color: var(--accent-2); }
.section-head { text-align: center; max-width: 40rem; margin: 0 auto clamp(2.5rem, 5vw, 3.5rem); }
.section-head h2 { font-size: clamp(1.9rem, 4.2vw, 2.9rem); margin: .6rem 0 0; }
.section-head .lead { font-size: clamp(1.05rem, 2vw, 1.22rem); margin: 1rem 0 0; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.step { text-align: center; }
.step-n {
  width: 2.6rem; height: 2.6rem; border-radius: 50%; margin: 0 auto 1rem;
  display: grid; place-items: center; font-weight: 700; font-size: 1.05rem;
  background: rgba(201, 111, 74, .12); color: var(--accent-2); border: 1px solid rgba(201, 111, 74, .3);
}
.step h3 { font-size: 1.2rem; }
.step p { margin: .5rem 0 0; font-size: .98rem; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; max-width: 26rem; margin: 0 auto; } }

/* Feature grid */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.feature {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.feature:hover { transform: translateY(-3px); border-color: #3a3d45; }
.feature .ic { font-size: 1.5rem; margin-bottom: .7rem; }
.feature h3 { font-size: 1.12rem; }
.feature p { margin: .45rem 0 0; color: var(--muted); font-size: .96rem; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

/* Showcase (phones row) */
.showcase-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.phones-duo { display: flex; justify-content: center; position: relative; min-height: 460px; align-items: center; }
.phones-duo .phone { --w: 258px; position: absolute; }
.phones-duo .p-back { transform: rotate(-4deg) translateX(-34%) scale(.92); filter: brightness(.85); z-index: 1; }
.phones-duo .p-front { transform: rotate(3deg) translateX(24%); z-index: 2; box-shadow: 0 50px 90px -30px rgba(0, 0, 0, .85); }
@media (max-width: 900px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .phones-duo { order: -1; min-height: 520px; }
}
@media (max-width: 480px) { .phones-duo .phone { --w: 210px; } }

/* Badge callout (iOS 27) */
.pill {
  display: inline-flex; align-items: center; gap: .5rem; font-size: .82rem; font-weight: 600;
  padding: .35rem .8rem; border-radius: 999px; background: rgba(242, 179, 92, .12);
  color: var(--accent); border: 1px solid rgba(242, 179, 92, .28); letter-spacing: .01em;
}

/* Privacy band */
.band { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-align: center; }
.band .icon-lock { font-size: 2rem; }
.band h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin: .8rem 0 0; }
.band p { color: var(--muted); max-width: 34rem; margin: 1rem auto 0; }

/* FAQ */
.faq { max-width: 46rem; margin: 0 auto; display: grid; gap: .7rem; }
.faq details {
  background: var(--panel); border: 1px solid var(--line); border-radius: .85rem; padding: 0 1.25rem;
  transition: border-color .2s var(--ease);
}
.faq details[open] { border-color: #3a3d45; }
.faq summary { cursor: pointer; list-style: none; font-weight: 600; padding: 1.05rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 1.4rem; transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 0 0 1.1rem; color: var(--muted); }

/* Final CTA */
.finalcta { text-align: center; position: relative; overflow: hidden; }
.finalcta::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(50% 60% at 50% 40%, rgba(242, 179, 92, .16), transparent 70%);
}
.finalcta .wrap { position: relative; z-index: 1; }
.finalcta h2 { font-size: clamp(2rem, 5vw, 3.2rem); }
.finalcta p { color: var(--ink-soft); max-width: 32rem; margin: 1rem auto 0; }

/* ---------- Footer ---------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--line); color: var(--muted); padding: 3.5rem 1.35rem 2.5rem; font-size: .92rem; }
.footer-in { max-width: var(--maxw); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.footer-brand { max-width: 22rem; }
.footer-brand p { margin: .8rem 0 0; }
.footer-cols { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-col h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-dim); margin: 0 0 .8rem; font-weight: 600; }
.footer-col a { display: block; color: var(--muted); margin: .45rem 0; }
.footer-col a:hover { color: var(--ink); text-decoration: none; }
.footer-legal { max-width: var(--maxw); margin: 2.5rem auto 0; padding-top: 1.8rem; border-top: 1px solid var(--line); color: var(--muted-dim); font-size: .85rem; }

/* ---------- Legal / doc pages ---------- */
.doc { max-width: var(--measure); margin: 0 auto; padding: clamp(3rem, 7vw, 5rem) 1.35rem 5rem; }
.doc h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); margin: 1.4rem 0 .4rem; }
.doc .updated { color: var(--muted); font-size: .92rem; margin: 0; }
.doc .lede { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--ink-soft); margin: 1.5rem 0 0; }
.doc h2 { font-size: 1.2rem; margin: 2.5rem 0 .5rem; }
.doc h3 { font-size: 1.02rem; margin: 1.6rem 0 .3rem; color: var(--ink-soft); }
.doc p, .doc li { margin: .5rem 0; }
.doc ul { padding-left: 1.2rem; }
.doc li { margin: .35rem 0; }
.doc strong { color: #fff; font-weight: 600; }
.doc .card { background: var(--panel); border: 1px solid var(--line); border-radius: 1rem; padding: 1.1rem 1.25rem; margin: 1.4rem 0; }
.doc .card p { margin: .2rem 0; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 2.8rem 0; }
.doc .note { font-size: .88rem; color: var(--muted-dim); }
.backlink { color: var(--muted); font-size: .92rem; display: inline-flex; gap: .4rem; align-items: center; }

/* ---------- Top disclosure bar ---------- */
.topbar {
  background: #16130d; border-bottom: 1px solid var(--line);
  color: var(--muted); font-size: .82rem; line-height: 1.45;
  text-align: center; padding: .6rem 1.2rem;
}
.topbar b { color: var(--accent); font-weight: 600; }

/* ---------- iOS 26 vs iOS 27 comparison ---------- */
.compare { display: flex; justify-content: center; align-items: flex-end; gap: clamp(1.5rem, 5vw, 4rem); flex-wrap: wrap; margin-top: 1rem; }
.compare-item { margin: 0; text-align: center; }
.compare-item .phone { --w: 226px; }
.compare-item figcaption {
  margin-top: 1.1rem; font-weight: 600; font-size: .95rem; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: .5rem;
}
.compare-item .beta {
  font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: rgba(242, 179, 92, .13); border: 1px solid rgba(242, 179, 92, .3);
  padding: .12rem .5rem; border-radius: 999px;
}
@media (max-width: 480px) { .compare-item .phone { --w: 188px; } }