/* ════════════════════════════════════════════════════════════
   URBAN PLAYGROUND · /ios — the iPhone app page
   Shares the landing's system:
   palette: cream #F4F1E8 · ink #16170F · night #1A1C12
            volt #D9FF4B · olive #8A8C77
   type:    Anton (display) · Space Grotesk (body) · Space Mono (captions)
   ════════════════════════════════════════════════════════════ */

:root {
  --cream: #F4F1E8;
  --cream-soft: #EFEBDE;
  --ink: #16170F;
  --night: #1A1C12;
  --volt: #D9FF4B;
  --olive: #8A8C77;
  --olive-dark: #4A4D3A;
  --hairline: rgba(22, 23, 15, 0.16);
  --hairline-cream: rgba(244, 241, 232, 0.16);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --pad: clamp(20px, 4vw, 64px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.display { font-family: "Anton", sans-serif; font-weight: 400; letter-spacing: 0.01em; }
.mono { font-family: "Space Mono", monospace; font-size: 11px; letter-spacing: 0.08em; }
.volt { color: var(--volt); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

section { position: relative; }
.section--dark { background: var(--night); color: var(--cream); }
.section--volt { background: var(--volt); color: var(--ink); }

.h2 { font-size: clamp(40px, 7vw, 96px); line-height: 0.96; text-transform: uppercase; }

/* ─── film grain ─── */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none; z-index: 60;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.05;
  animation: grain 0.9s steps(2) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  50% { transform: translate(-2%, 1%); }
  100% { transform: translate(1%, -1.5%); }
}

/* ─── reveal system ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
[data-reveal].is-in { opacity: 1; transform: translateY(0); }

.line { display: block; overflow: hidden; }
.line__inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s var(--ease-out);
}
.is-lines-in .line__inner { transform: translateY(0); }
.line:nth-child(2) .line__inner { transition-delay: 0.12s; }
.line:nth-child(3) .line__inner { transition-delay: 0.24s; }

/* ─── fixed nav ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
  transition: color 0.5s ease;
}
.nav__wordmark { font-weight: 700; letter-spacing: 0.04em; font-size: 14px; }
.nav__wordmark sup { font-size: 8px; }
.nav__links { display: flex; align-items: center; gap: clamp(12px, 2.5vw, 28px); }
.nav__link { position: relative; padding: 4px 0; }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__cta {
  font-family: "Space Mono", monospace; font-size: 11px; letter-spacing: 0.08em;
  padding: 10px 18px; border-radius: 999px; white-space: nowrap;
  background: var(--ink); color: var(--cream);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s var(--ease-bounce);
}
.nav__cta:hover { background: var(--cream); color: var(--ink); transform: scale(1.05); }
body[data-nav="dark"] .nav { color: var(--cream); }
body[data-nav="dark"] .nav__cta { background: var(--volt); color: var(--ink); }
body[data-nav="dark"] .nav__cta:hover { background: var(--cream); }
body[data-nav="volt"] .nav { color: var(--ink); }
@media (max-width: 680px) {
  .nav { padding: 14px 20px; }
  .nav__link { display: none; }
  .nav__wordmark { font-size: 12px; }
  .nav__cta { padding: 9px 14px; font-size: 10px; }
}

/* ─── shared atoms ─── */
.crosshair {
  position: relative; display: inline-block;
  width: 13px; height: 13px; flex: none;
}
.crosshair::before, .crosshair::after {
  content: ""; position: absolute; background: currentColor;
}
.crosshair::before { left: 50%; top: 0; width: 1px; height: 100%; }
.crosshair::after { top: 50%; left: 0; height: 1px; width: 100%; }

.cta-pill {
  font-family: "Space Mono", monospace; font-size: 13px; letter-spacing: 0.08em;
  background: var(--ink); color: var(--cream);
  padding: 18px 28px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 12px;
  transition: transform 0.35s var(--ease-bounce), box-shadow 0.35s ease,
              background 0.3s ease, color 0.3s ease;
}
.cta-pill:hover { transform: scale(1.05); box-shadow: 0 16px 40px -12px rgba(22, 23, 15, 0.6); }
.cta-pill__apple { width: 15px; height: 18px; fill: currentColor; flex: none; }
.cta-pill--volt { background: var(--volt); color: var(--ink); }
.cta-pill--volt:hover { background: var(--cream); }
.cta-pill--ghost {
  background: transparent; color: var(--cream);
  border: 1.5px solid var(--hairline-cream);
  padding: 16px 26px;
}
.cta-pill--ghost:hover { border-color: var(--volt); color: var(--volt); box-shadow: none; }

/* ─── device frame ─── */
.device {
  display: block; position: relative;
  width: min(340px, 80vw);
  padding: clamp(8px, 1vw, 11px);
  background: #0C0D08;
  border-radius: clamp(38px, 4.6vw, 50px);
  box-shadow:
    inset 0 0 0 1.5px rgba(244, 241, 232, 0.14),
    0 50px 90px -40px rgba(22, 23, 15, 0.75);
}
.device img {
  width: 100%; height: auto;
  border-radius: clamp(30px, 3.7vw, 40px);
  background: #E9E9EE;
}

/* ════════ 01 · HERO ════════ */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(76px + var(--pad)) var(--pad) clamp(48px, 7vh, 90px);
  overflow: hidden;
}
.hero__inner {
  width: 100%; max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center; gap: clamp(32px, 5vw, 80px);
}
.hero__kicker {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: clamp(20px, 3vh, 34px);
}
.hero__appicon {
  width: 52px; height: 52px; border-radius: 13px;
  border: 1.5px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(22, 23, 15, 0.9);
}
.hero__title {
  font-size: clamp(58px, 9.5vw, 150px);
  line-height: 0.9; text-transform: uppercase;
}
.hero__dot { display: inline-block; transform: scale(1.4); transform-origin: bottom left; }
.hero__lede {
  max-width: 520px; margin-top: clamp(22px, 3.5vh, 36px);
  font-size: clamp(15px, 1.3vw, 18px); line-height: 1.55;
  color: var(--olive-dark);
}
.hero__actions {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-top: clamp(28px, 4.5vh, 48px);
}
.hero__note { color: var(--olive-dark); }

.hero__stage { position: relative; justify-self: center; }
.device--hero {
  width: min(360px, 74vw);
  rotate: 3.5deg;
  transition: rotate 0.6s var(--ease-out);
}
.hero__stage:hover .device--hero { rotate: 0deg; }
.hero__tag {
  position: absolute; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 8px;
  background: rgba(244, 241, 232, 0.9);
  border: 1px solid rgba(22, 23, 15, 0.28);
  box-shadow: 0 18px 40px -22px rgba(22, 23, 15, 0.6);
  white-space: nowrap;
}
.hero__tag--pick { top: 15%; left: -12%; rotate: -4deg; }
.hero__tag--dates { bottom: 12%; right: -8%; rotate: 3deg; }

@media (max-width: 900px) {
  .hero { padding-top: calc(64px + var(--pad)); }
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__title { font-size: clamp(58px, 15vw, 110px); }
  .hero__stage { margin-top: 6px; }
  .hero__tag--pick { left: -4px; top: 8%; }
  .hero__tag--dates { right: -4px; bottom: 9%; }
}

/* ─── city marquee ─── */
.marquee {
  border-top: 1px solid var(--hairline-cream);
  border-bottom: 1px solid var(--hairline-cream);
  padding: 14px 0; overflow: hidden; white-space: nowrap;
  color: var(--olive);
}
.marquee__inner { display: inline-flex; animation: marquee 28s linear infinite; }
.marquee__inner span { display: inline-block; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ════════ feature blocks ════════ */
.feature { padding: clamp(90px, 14vh, 160px) var(--pad); }
.feature--ruled {
  background-image: repeating-linear-gradient(90deg, rgba(22, 23, 15, 0.05) 0 1px, transparent 1px 8.333%);
}
.feature__inner {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center; gap: clamp(40px, 6vw, 96px);
}
.feature--flip .feature__copy { order: 2; }
.feature--flip .feature__device { order: 1; justify-self: start; }
.feature__device { justify-self: end; rotate: -2deg; }
.feature--flip .feature__device { rotate: 2deg; }
.feature__kicker { color: var(--olive-dark); margin-bottom: 18px; }
.feature__kicker--volt { color: var(--volt); }
.feature__title { max-width: 480px; }
.feature__body {
  max-width: 460px; margin-top: clamp(20px, 3vh, 30px);
  font-size: clamp(15px, 1.25vw, 17px); line-height: 1.6;
  color: var(--olive-dark);
}
.feature__body--dark { color: var(--olive); }
.feature__note {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: clamp(22px, 3.5vh, 34px);
  color: var(--olive-dark);
}
.feature__note--dark { color: var(--olive); }
.feature__note .crosshair { opacity: 0.7; }

@media (max-width: 860px) {
  .feature__inner { grid-template-columns: 1fr; gap: 48px; }
  .feature--flip .feature__copy { order: 1; }
  .feature--flip .feature__device { order: 2; }
  .feature__device, .feature--flip .feature__device {
    justify-self: center; rotate: 0deg;
  }
}

/* ════════ duo · save it show up ════════ */
.duo {
  padding: clamp(90px, 14vh, 160px) var(--pad);
  text-align: center;
}
.duo__title { margin-bottom: clamp(48px, 7vh, 84px); }
.duo__grid {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.duo__card { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.device--small { width: min(300px, 74vw); }
.duo__card:first-child .device--small { rotate: -2deg; }
.duo__card:last-child .device--small { rotate: 2deg; }
.duo__kicker { color: var(--olive-dark); display: block; margin-bottom: 8px; }
.duo__card figcaption p {
  max-width: 300px; margin: 0 auto;
  font-size: 15px; line-height: 1.5; color: var(--olive-dark);
}
@media (max-width: 720px) {
  .duo__grid { grid-template-columns: 1fr; gap: 56px; }
}

/* ════════ finale ════════ */
.finale {
  min-height: 92svh;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  padding-top: clamp(80px, 12vh, 140px);
}
.finale__center {
  position: relative; z-index: 2;
  padding: 0 var(--pad);
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
}
.finale__title {
  font-size: clamp(60px, 12vw, 190px);
  line-height: 0.92; text-transform: uppercase;
}
.finale__actions {
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap;
  margin-top: clamp(36px, 5vh, 60px);
}
.finale__qr {
  display: inline-flex; align-items: center; gap: 16px;
  margin-top: clamp(36px, 6vh, 64px);
  padding: 14px 18px;
  background: var(--cream); color: var(--ink);
  border-radius: 14px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.8);
  text-align: left;
}
.finale__qr img { width: 96px; height: 96px; border-radius: 6px; }
@media (max-width: 560px) { .finale__qr { display: none; } }

.finale__footer {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-top: clamp(56px, 9vh, 110px);
  padding: 22px var(--pad);
  border-top: 1px solid var(--hairline-cream);
  color: var(--olive);
}
.finale__footer-links { display: flex; gap: clamp(14px, 2.5vw, 26px); flex-wrap: wrap; }
.finale__footer-links a { transition: color 0.25s ease; }
.finale__footer-links a:hover { color: var(--volt); }

/* ─── reduced motion / forced static (verification) ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  [data-reveal], .line__inner { opacity: 1 !important; transform: none !important; }
}
.force-static *, .force-static *::before, .force-static *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}
.force-static [data-reveal], .force-static .line__inner { opacity: 1 !important; transform: none !important; }