/* Gamified Study | gamifiedstudy.com
   Dark, Apple-style product page with a little game UI flavor. */

:root {
  --bg: #050507;
  --bg-2: #0b0b10;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.16);
  --text: #f5f5f7;
  --muted: #9a9aa3;
  --dim: #5f5f68;

  --violet: #8b6cff;
  --cyan: #3fc8f0;
  --lime: #a6f04a;
  --grad: linear-gradient(100deg, var(--violet) 0%, var(--cyan) 52%, var(--lime) 100%);

  --radius: 28px;
  --wrap: 1180px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --display: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--display); margin: 0; letter-spacing: -0.028em; line-height: 1.05; }
h3, h4 { letter-spacing: -0.015em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(139, 108, 255, .45); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }

.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.muted { color: var(--dim); }
.mono { font-family: var(--mono); }

/* ---------- Background ---------- */
.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg-grid {
  position: absolute; inset: -1px;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}
.bg-orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.orb-a { width: 620px; height: 620px; left: -180px; top: -220px; background: radial-gradient(circle, #5a3cff 0%, transparent 65%); }
.orb-b { width: 560px; height: 560px; right: -160px; top: 80px; background: radial-gradient(circle, #0fa3c9 0%, transparent 65%); opacity: .38; }
.orb-c { width: 520px; height: 520px; left: 40%; top: 120vh; background: radial-gradient(circle, #3d7a12 0%, transparent 65%); opacity: .22; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font: 600 16px/1 var(--font); letter-spacing: -0.01em;
  border: 0; cursor: pointer; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s;
}
.btn:active { transform: scale(.97); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-light { background: var(--text); color: #000; }
.btn-light:hover { background: #fff; }
.btn-grad {
  color: #06060a;
  background: var(--grad);
  box-shadow: 0 8px 30px -8px rgba(63, 200, 240, .55), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-grad:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px rgba(63, 200, 240, .7), inset 0 1px 0 rgba(255,255,255,.4); }
.btn-ghost { color: var(--text); background: var(--panel-2); border: 1px solid var(--line-2); backdrop-filter: blur(10px); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); }
.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 5, 7, .72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--line);
}
.nav-inner {
  width: min(var(--wrap), 100% - 32px); margin-inline: auto;
  height: 64px; display: flex; align-items: center; gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font: 700 17px/1 var(--display); letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--muted); }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero { padding-top: 150px; text-align: center; position: relative; overflow-x: clip; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  padding: 9px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); }
.hero-title {
  margin-top: 26px;
  font-size: clamp(46px, 8.6vw, 112px);
  font-weight: 700; letter-spacing: -0.036em; line-height: 1;
}
.hero-sub {
  margin: 28px auto 0; max-width: 640px;
  font-size: clamp(17px, 1.6vw, 21px); color: var(--muted); line-height: 1.5;
}
.hero-ctas { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* phone stage */
.stage {
  --p: 0;
  position: relative; height: 680px; margin: 70px auto 0; max-width: 1100px;
  perspective: 1600px;
}
.stage-glow {
  position: absolute; left: 50%; top: 46%; width: 760px; height: 460px; translate: -50% -50%;
  background: radial-gradient(ellipse at center, rgba(139,108,255,.45), rgba(63,200,240,.18) 45%, transparent 70%);
  filter: blur(40px);
}
.phone {
  position: absolute; left: 50%; top: 0; margin: 0;
  width: 290px; padding: 9px; border-radius: 46px;
  background: linear-gradient(160deg, #2a2a33, #0c0c10 40%, #1b1b22);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.12),
    0 40px 80px -20px rgba(0,0,0,.9),
    0 0 60px -10px rgba(139,108,255,.35);
  transition: transform .2s linear;
}
.phone img { border-radius: 38px; width: 100%; aspect-ratio: 540 / 1173; object-fit: cover; background: #111; }
.phone-c { z-index: 3; transform: translateX(-50%) translateY(calc(var(--p) * -30px)); }
.phone-l {
  z-index: 2; width: 250px; top: 70px;
  transform: translateX(calc(-50% - 270px - var(--p) * 60px)) rotateY(18deg) rotateZ(-4deg);
  filter: brightness(.82);
}
.phone-r {
  z-index: 2; width: 250px; top: 70px;
  transform: translateX(calc(-50% + 270px + var(--p) * 60px)) rotateY(-18deg) rotateZ(4deg);
  filter: brightness(.82);
}
.stage::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 220px; z-index: 4;
  background: linear-gradient(to bottom, transparent, var(--bg) 85%);
}

.chip {
  position: absolute; z-index: 5;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 16px;
  font: 600 14px/1 var(--font); white-space: nowrap;
  background: rgba(20, 20, 28, .62);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px -12px rgba(0,0,0,.7);
  opacity: 0; translate: 0 16px; scale: .9;
  transition: opacity .6s var(--ease), translate .6s var(--ease), scale .6s var(--ease);
}
.stage.in .chip { opacity: 1; translate: 0 0; scale: 1; }
.chip-ico { font-size: 16px; }
.chip-ico.stars { color: #ffc93c; letter-spacing: 1px; font-size: 13px; }
.chip-1 { left: 4%;  top: 120px; transition-delay: .5s; }
.chip-2 { right: 3%; top: 190px; transition-delay: .65s; }
.chip-3 { left: 9%;  top: 400px; transition-delay: .8s; }
.chip-4 { right: 8%; top: 450px; transition-delay: .95s; }

/* ---------- Stats ---------- */
.stats {
  position: relative; z-index: 6; margin-top: -40px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(12, 12, 18, .6); backdrop-filter: blur(14px);
}
.stat { padding: 32px 28px; display: flex; flex-direction: column; gap: 6px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-num { font: 700 clamp(34px, 4vw, 48px)/1 var(--display); letter-spacing: -0.04em; }
.stat-label { color: var(--muted); font-size: 14px; }

/* ---------- Section heads ---------- */
section { scroll-margin-top: 80px; }
.kicker {
  font: 500 12px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.section-head { text-align: center; max-width: 980px; margin: 0 auto 56px; }
.section-head h2, .build-head h2, .contact-copy h2 { font-size: clamp(36px, 5.4vw, 68px); font-weight: 700; letter-spacing: -0.032em; }
.lead { margin-top: 20px; color: var(--muted); font-size: clamp(17px, 1.5vw, 20px); }
.section-head .lead { max-width: 620px; margin-inline: auto; }

/* ---------- Mission ---------- */
.mission { padding: 170px 0 150px; }
.mission .kicker { text-align: left; }
.manifesto {
  font: 700 clamp(30px, 4.6vw, 60px)/1.14 var(--display); letter-spacing: -0.026em;
  max-width: 1040px;
}
.manifesto .w { color: rgba(245,245,247,.16); transition: color .35s; }
.manifesto .w.on { color: var(--text); }
.manifesto .w.hl.on {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Compare ---------- */
.compare { padding-bottom: 150px; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-card { border-radius: var(--radius); padding: 40px; border: 1px solid var(--line); }
.compare-card.old { background: var(--panel); }
.compare-card.new {
  position: relative;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    var(--grad) border-box;
  border: 1px solid transparent;
  box-shadow: 0 30px 80px -30px rgba(63, 200, 240, .35);
}
.compare-tag { display: flex; align-items: center; gap: 10px; font: 600 15px/1 var(--display); margin-bottom: 26px; color: var(--muted); }
.compare-card.new .compare-tag { color: var(--text); }
.compare-card li { position: relative; padding: 15px 0 15px 34px; border-top: 1px solid var(--line); font-size: 17px; }
.compare-card li:first-child { border-top: 0; }
.compare-card.old li { color: var(--dim); }
.compare-card li::before { position: absolute; left: 0; top: 15px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.compare-card.old li::before { content: "✕"; background: rgba(255,255,255,.06); color: var(--dim); }
.compare-card.new li::before { content: "✓"; background: var(--grad); color: #06060a; }

/* ---------- Bento ---------- */
.how { padding-bottom: 150px; }
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tile {
  position: relative; overflow: hidden;
  border-radius: var(--radius); padding: 32px;
  background: var(--panel); border: 1px solid var(--line);
  transition: border-color .3s, background .3s, transform .4s var(--ease);
}
.tile:hover { border-color: var(--line-2); background: var(--panel-2); }
.tile h3 { font-size: 24px; margin: 18px 0 10px; letter-spacing: -0.02em; }
.tile p { color: var(--muted); font-size: 15.5px; }
.tile-ico {
  display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 14px;
  font-size: 22px; background: rgba(255,255,255,.06); border: 1px solid var(--line);
}
.tile-map, .tile-cards {
  grid-column: span 2;
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 28px;
}
.tile-copy { max-width: 400px; }
.tile-shot {
  margin: 0; width: 230px; padding: 8px; border-radius: 40px;
  background: linear-gradient(160deg, #2a2a33, #0c0c10 40%, #1b1b22);
  box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 30px 60px -20px rgba(0,0,0,.9);
  transition: transform .6s var(--ease);
}
.tile-shot img { border-radius: 33px; }
.tile:hover .tile-shot { transform: translateY(-14px); }
.tile-map { background: radial-gradient(120% 80% at 50% 100%, rgba(29, 161, 242, .22), transparent 60%), var(--panel); }
.tile-cards { background: radial-gradient(120% 80% at 50% 100%, rgba(170, 100, 255, .24), transparent 60%), var(--panel); }

/* ---------- Apps ---------- */
.apps { padding-bottom: 150px; }
.app-list { display: grid; gap: 28px; }
.app-card {
  display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center;
  padding: 44px; border-radius: 36px;
  background:
    radial-gradient(80% 90% at 0% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%),
    var(--panel);
  border: 1px solid var(--line);
}
.app-card:nth-child(even) { grid-template-columns: 1fr 1.25fr; }
.app-card:nth-child(even) .preview { order: 2; }
.app-card:nth-child(even) { background: radial-gradient(80% 90% at 100% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%), var(--panel); }

.preview { position: relative; display: block; perspective: 1400px; }
.browser {
  border-radius: 16px; overflow: hidden;
  background: #1a1a20; border: 1px solid var(--line-2);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(0,0,0,.4);
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  will-change: transform;
}
.preview:hover .browser { box-shadow: 0 50px 100px -30px rgba(0,0,0,.95), 0 0 70px -20px var(--accent); }
.browser-bar { height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 14px; background: #202028; border-bottom: 1px solid var(--line); }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a3a44; }
.browser-bar i:nth-child(1) { background: #ff5f57; }
.browser-bar i:nth-child(2) { background: #febc2e; }
.browser-bar i:nth-child(3) { background: #28c840; }
.url {
  margin-left: 12px; flex: 1; max-width: 300px; height: 22px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font: 500 11.5px/1 var(--font); color: var(--muted); background: rgba(255,255,255,.06);
}
.browser-view { overflow: hidden; aspect-ratio: 1440 / 900; background: #fff; }
.browser-view img { width: 100%; transition: transform 1.2s var(--ease); }
.preview:hover .browser-view img { transform: scale(1.04); }
.preview-phone {
  position: absolute; right: -22px; bottom: -36px; margin: 0; width: 140px;
  padding: 5px; border-radius: 26px; background: #0c0c10;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 30px 50px -10px rgba(0,0,0,.9);
  transition: transform .5s var(--ease);
}
.preview-phone img { border-radius: 21px; }
.preview:hover .preview-phone { transform: translateY(-8px) rotate(-2deg); }
.app-card:nth-child(even) .preview-phone { right: auto; left: -22px; }
.app-card:nth-child(even) .preview:hover .preview-phone { transform: translateY(-8px) rotate(2deg); }
.preview-open {
  position: absolute; left: 50%; top: 50%; translate: -50% -40%;
  padding: 11px 20px; border-radius: 999px; font: 600 14px/1 var(--font);
  background: rgba(10,10,14,.75); border: 1px solid var(--line-2); backdrop-filter: blur(12px);
  opacity: 0; transition: opacity .3s, translate .3s var(--ease); pointer-events: none;
}
.preview:hover .preview-open, .preview:focus-visible .preview-open { opacity: 1; translate: -50% -50%; }

.app-id { display: flex; align-items: center; gap: 16px; }
.app-icon { width: 64px; height: 64px; border-radius: 15px; box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 10px 30px -8px var(--accent); }
.app-id h3 { font-size: 34px; }
.app-exam { font: 500 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-top: 8px; }
.app-desc { margin-top: 22px; color: var(--muted); font-size: 17px; }
.app-facts { margin: 22px 0 30px; display: grid; gap: 10px; }
.app-facts li { display: flex; gap: 10px; font-size: 15.5px; color: #d6d6dc; }
.app-facts li::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.app-facts strong { color: var(--text); }

/* ---------- Roadmap ---------- */
.roadmap { padding-bottom: 150px; }
.road { position: relative; display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
.road::before {
  content: ""; position: absolute; left: 7%; right: 7%; top: 47px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line-2) 0 10px, transparent 10px 20px);
}
.road::after {
  content: ""; position: absolute; left: 7%; width: 28.6%; top: 47px; height: 2px;
  background: var(--grad); box-shadow: 0 0 14px var(--cyan);
}
.node { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hex {
  width: 86px; height: 96px; display: grid; place-items: center;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: #1a1a22;
  font: 700 17px/1 var(--display); letter-spacing: -0.01em;
  transition: transform .4s var(--ease);
}
.node:hover .hex { transform: translateY(-6px); }
.node.done .hex { background: var(--grad); color: #06060a; filter: drop-shadow(0 10px 30px rgba(63,200,240,.5)); }
.node.next .hex { position: relative; background: var(--grad); color: var(--text); filter: drop-shadow(0 0 18px rgba(63,200,240,.35)); }
.node.next .hex::before {
  content: ""; position: absolute; inset: 3px; background: #111118;
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}
.node.next .hex span { position: relative; }
.node.locked .hex { color: var(--dim); }
.node.boss .hex { background: #22182e; color: #c9a8ff; font-size: 28px; }
.node-stars { margin-top: 12px; color: #ffc93c; font-size: 14px; letter-spacing: 2px; }
.node.next .node-stars, .node.locked .node-stars { color: var(--dim); }
.node-label { margin-top: 6px; font: 600 15px/1.25 var(--display); }
.node-state { margin-top: 6px; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.node.done .node-state { color: var(--lime); }
.node.next .node-state { color: var(--cyan); }
.node.locked .node-state::before { content: "🔒 "; }

/* ---------- Build ---------- */
.build { padding-bottom: 140px; }
.build-panel {
  position: relative; overflow: hidden;
  padding: 72px 64px; border-radius: 40px;
  background:
    radial-gradient(70% 60% at 100% 0%, rgba(139,108,255,.22), transparent 60%),
    radial-gradient(60% 60% at 0% 100%, rgba(63,200,240,.14), transparent 60%),
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    linear-gradient(135deg, rgba(139,108,255,.6), rgba(255,255,255,.06) 40%, rgba(166,240,74,.45)) border-box;
  border: 1px solid transparent;
}
.build-head { max-width: 720px; }
.services { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service { padding: 26px; border-radius: 22px; background: rgba(255,255,255,.03); border: 1px solid var(--line); }
.service-ico { font-size: 26px; }
.service h3 { font-size: 19px; margin: 16px 0 8px; letter-spacing: -0.02em; }
.service p { color: var(--muted); font-size: 15px; }
.steps { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding-top: 40px; border-top: 1px solid var(--line); }
.steps li { display: flex; gap: 18px; }
.step-n { font: 500 13px/1.6 var(--mono); color: var(--cyan); }
.steps h4 { font-size: 19px; letter-spacing: -0.02em; margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: 15px; }

/* ---------- Contact ---------- */
.contact { padding-bottom: 140px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.email-link {
  margin-top: 34px; display: inline-flex; align-items: center; gap: 14px;
  font: 600 18px/1.2 var(--display); letter-spacing: -0.01em;
  padding: 14px 20px 14px 14px; border-radius: 18px;
  background: var(--panel); border: 1px solid var(--line);
  transition: border-color .25s, background .25s;
  word-break: break-all;
}
.email-link:hover { border-color: var(--line-2); background: var(--panel-2); }
.email-ico { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--grad); color: #06060a; font-size: 18px; }
.contact-form {
  padding: 36px; border-radius: 30px; display: grid; gap: 18px;
  background: var(--panel); border: 1px solid var(--line);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field span { font-size: 13.5px; font-weight: 500; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 16px/1.4 var(--font); color: var(--text);
  background: rgba(0,0,0,.35); border: 1px solid var(--line-2); border-radius: 14px;
  padding: 14px 16px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field select {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%239a9aa3' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px;
}
.field select option { background: #15151b; }
.field input::placeholder, .field textarea::placeholder { color: #55555e; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(63,200,240,.15); }
.field.invalid input, .field.invalid textarea { border-color: #ff6b6b; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { min-height: 1.4em; font-size: 14.5px; color: var(--muted); text-align: center; }
.form-status.ok { color: var(--lime); }
.form-status.err { color: #ff8a8a; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 64px 0 28px; background: rgba(0,0,0,.4); }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.footer-brand p { margin-top: 14px; color: var(--muted); font-size: 14.5px; max-width: 280px; }
.footer-cols { display: flex; gap: 72px; flex-wrap: wrap; }
.footer-cols div { display: grid; gap: 10px; align-content: start; }
.footer-cols a { color: var(--muted); font-size: 14.5px; transition: color .2s; }
.footer-cols a:hover { color: var(--text); }
.footer-h { font: 500 11.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 6px; }
.footer-base { margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--dim); font-size: 13px; }

/* ---------- Reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .app-card, .app-card:nth-child(even) { grid-template-columns: 1fr; gap: 48px; }
  .app-card:nth-child(even) .preview { order: 0; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .chip-1 { left: 0; } .chip-2 { right: 0; } .chip-3 { left: 2%; } .chip-4 { right: 2%; }
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed; inset: 64px 0 auto 0; margin: 0;
    flex-direction: column; gap: 0; padding: 8px 24px 24px;
    background: rgba(5,5,7,.94); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    font-size: 20px; color: var(--text);
    opacity: 0; pointer-events: none; translate: 0 -8px; transition: opacity .25s, translate .25s;
  }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav.open .nav-links { opacity: 1; pointer-events: auto; translate: 0 0; }
  .nav.open { background: rgba(5,5,7,.94); }
  .nav-cta { margin-left: auto; }
  .nav-toggle {
    display: grid; place-content: center; gap: 6px; width: 40px; height: 40px;
    background: none; border: 0; cursor: pointer; padding: 0;
  }
  .nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--text); transition: transform .25s; }
  .nav.open .nav-toggle span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .nav.open .nav-toggle span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .compare-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-grid { gap: 40px; }

  .road { grid-template-columns: 1fr; gap: 0; max-width: 420px; margin-inline: auto; }
  .road::before { left: 42px; right: auto; top: 40px; bottom: 40px; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line-2) 0 10px, transparent 10px 20px); }
  .road::after { left: 42px; top: 40px; width: 2px; height: 26%; background: var(--grad); }
  .node { display: grid; grid-template-columns: 86px 1fr; grid-template-rows: auto auto auto; column-gap: 20px; text-align: left; align-items: center; padding: 8px 0; }
  .hex { grid-row: 1 / span 3; width: 72px; height: 80px; margin-left: 7px; font-size: 15px; }
  .node-stars { grid-column: 2; grid-row: 3; margin: 4px 0 0; }
  .node-label { grid-column: 2; grid-row: 1; margin: 0; font-size: 17px; }
  .node-state { grid-column: 2; grid-row: 2; }
  .build-panel { padding: 48px 28px; border-radius: 32px; }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap { width: min(var(--wrap), 100% - 32px); }
  .nav-cta { display: none; }
  .nav-toggle { margin-left: auto; }
  .hero { padding-top: 116px; }
  .stage { height: 520px; margin-top: 48px; }
  .stage-glow { width: 420px; height: 360px; }
  .phone-c { width: 220px; border-radius: 36px; padding: 7px; }
  .phone-c img { border-radius: 30px; }
  .phone-l, .phone-r { width: 180px; top: 56px; border-radius: 32px; padding: 7px; }
  .phone-l img, .phone-r img { border-radius: 26px; }
  .phone-l { transform: translateX(calc(-50% - 150px - var(--p) * 30px)) rotateY(18deg) rotateZ(-4deg); }
  .phone-r { transform: translateX(calc(-50% + 150px + var(--p) * 30px)) rotateY(-18deg) rotateZ(4deg); }
  .chip { font-size: 12.5px; padding: 8px 12px; border-radius: 13px; }
  .chip-1 { left: 0; top: 70px; } .chip-2 { right: 0; top: 150px; }
  .chip-3 { left: 0; top: 320px; } .chip-4 { right: 0; top: 380px; }
  .stats { margin-top: -20px; }
  .stat { padding: 22px 18px; }
  .mission { padding: 120px 0 110px; }
  .compare, .how, .apps, .roadmap { padding-bottom: 110px; }
  .compare-card { padding: 28px 24px; }
  .bento { grid-template-columns: 1fr; gap: 14px; }
  .tile-map, .tile-cards { grid-column: auto; grid-template-columns: 1fr; }
  .tile-shot { margin: 0 auto; width: min(230px, 100%); }
  .tile { padding: 26px; }
  .app-card { padding: 22px; border-radius: 28px; gap: 44px; }
  .preview-phone { width: 96px; right: -6px; bottom: -28px; border-radius: 19px; padding: 4px; }
  .app-card:nth-child(even) .preview-phone { left: -6px; }
  .preview-phone img { border-radius: 15px; }
  .app-id h3 { font-size: 28px; }
  .app-card .btn { width: 100%; }
  .services { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
  .footer-cols { gap: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}