/* Spotnik brand tokens, sampled from the logo mark.
   Rule: the brand gradient (magenta > coral > amber) is the signature; Twin Engine sections use amber,
   Twin Builder sections use the teal of the logo ring. */
:root {
  --bg: #0b0d12;
  --surface: #12151c;
  --surface-2: #181c25;
  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.16);
  --text: #eceef1;
  --muted: #9ea4b0;
  --magenta: #cf086d;
  --magenta-lt: #e8458f;
  --coral: #eb756a;
  --amber: #f2a93b;
  --teal: #19a9b5;
  --teal-lt: #4cc6cf;
  --grad: linear-gradient(90deg, #cf086d 0%, #eb756a 50%, #f2a93b 100%);
  --radius: 14px;
  --ease: cubic-bezier(.16,1,.3,1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 32px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.02em; line-height: 1.1; }
h2 { font-size: clamp(30px, 3.6vw, 48px); }
h3 { font-size: 21px; letter-spacing: -.01em; line-height: 1.25; }
p { margin: 0; }
.lede { color: var(--muted); max-width: 62ch; font-size: 18px; margin-top: 16px; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 13px; }
.ph { font-size: 1.1em; vertical-align: -0.15em; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(11,13,18,.82);
  backdrop-filter: blur(14px) saturate(160%); -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 32px; height: 68px; }
.nav img { height: 30px; width: auto; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav ul { margin-right: 0; }
.nav ul a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .2s; }
.nav ul a:hover { color: var(--text); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; text-decoration: none;
  border-radius: 999px; padding: 12px 22px; font-size: 15px; font-weight: 500;
  transition: transform .2s var(--ease), background .2s, border-color .2s; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--text); color: #11131a; }
.btn-primary:hover { background: #fff; }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover { border-color: rgba(255,255,255,.35); }
.btn-sm { padding: 8px 16px; font-size: 14px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 88px; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw;
  background: radial-gradient(closest-side, rgba(207,8,109,.20), rgba(242,169,59,.08) 55%, transparent 75%);
  pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 4.6vw, 62px); line-height: 1.05; }
.hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 19px; margin-top: 22px; max-width: 34ch; }
.hero .ctas { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }

/* clip frame */
.clip { position: relative; border-radius: var(--radius); overflow: hidden; background: #07080b;
  border: 1px solid var(--line); cursor: zoom-in; isolation: isolate; }
.clip video { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.clip:hover video { transform: scale(1.015); }
.clip .expand { position: absolute; right: 12px; top: 12px; z-index: 2; width: 36px; height: 36px; border-radius: 999px;
  display: grid; place-items: center; background: rgba(11,13,18,.7); border: 1px solid var(--line-strong);
  color: var(--text); opacity: 0; transition: opacity .25s; pointer-events: none; }
.clip:hover .expand, .clip:focus-visible .expand { opacity: 1; }
.clip:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.hero-clip { aspect-ratio: 16/9; box-shadow: 0 40px 120px -30px rgba(207,8,109,.35); }
.hero-clip::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; }

/* products pair */
.products { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.products .wrap { display: grid; grid-template-columns: 1fr 1fr; }
.product { padding: 48px 48px 48px 0; }
.product + .product { padding: 48px 0 48px 48px; border-left: 1px solid var(--line); }
.product .tag { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 22px; }
.product .tag i { font-size: 26px; }
.product.engine .tag i { color: var(--amber); }
.product.builder .tag i { color: var(--teal-lt); }
.product p { color: var(--muted); margin-top: 12px; max-width: 52ch; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; padding: 0; list-style: none; }
.chips li { font-family: "JetBrains Mono", monospace; font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 4px 12px; }

/* sections */
section.block { padding: 112px 0 0; }
.sec-head { margin-bottom: 44px; }
.kicker { font-family: "JetBrains Mono", monospace; font-size: 12.5px; text-transform: uppercase; letter-spacing: .16em; margin-bottom: 18px; display: inline-block; }
.kicker.engine { color: var(--amber); }
.kicker.builder { color: var(--teal-lt); }

.cap { padding: 18px 2px 0; }
.cap h3 { margin-bottom: 6px; }
.cap p { color: var(--muted); font-size: 15.5px; max-width: 60ch; }

/* engine bento */
.bento { display: grid; grid-template-columns: repeat(12, 1fr); gap: 28px 24px; }
.b-l { grid-column: span 7; }
.b-s { grid-column: span 5; }
.bento .clip { aspect-ratio: 16/9; }
.bento .b-s.lift { margin-top: 72px; }

/* engine: AI 3D pipeline */
.pipeline { display: grid; grid-template-columns: 8fr 4fr; gap: 40px; align-items: center; }
.pipeline .clip { aspect-ratio: 16/9; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.steps li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.steps li i { font-size: 22px; color: var(--amber); margin-top: 2px; }
.steps strong { display: block; font-weight: 500; }
.steps span { color: var(--muted); font-size: 15px; }

/* data viz explorer */
.viz { display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: start; }
.viz-tabs { display: flex; flex-direction: column; gap: 4px; position: sticky; top: 96px; }
.viz-tab { all: unset; cursor: pointer; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: center;
  padding: 14px 16px; border-radius: 12px; color: var(--muted); border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s; }
.viz-tab i { font-size: 22px; }
.viz-tab strong { display: block; font-weight: 500; color: inherit; font-size: 16.5px; line-height: 1.3; }
.viz-tab span { display: block; font-size: 13.5px; line-height: 1.4; margin-top: 2px; opacity: .8; }
.viz-tab:hover { background: var(--surface); color: var(--text); }
.viz-tab[aria-selected="true"] { background: var(--surface-2); border-color: var(--line-strong); color: var(--text); }
.viz-tab[aria-selected="true"] i { color: var(--amber); }
.viz-tab:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.viz-stage .clip { aspect-ratio: 16/9; }
.viz-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 28px; }
.viz-panel h3 { margin-bottom: 10px; }
.viz-panel p { color: var(--muted); font-size: 16px; }
.viz-panel h4 { margin: 0 0 12px; font-size: 13px; font-family: "JetBrains Mono", monospace; font-weight: 500; color: var(--amber); letter-spacing: .04em; }
.examples { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.examples li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; font-size: 15.5px; color: var(--text); }
.examples li i { color: var(--coral); margin-top: 4px; }
.examples li small { display: block; color: var(--muted); font-size: 14px; }
.also { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.also b { color: var(--text); font-weight: 500; }
.fade-swap { animation: swap .5s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.more-viz { margin-top: 64px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.more-viz > div { padding: 28px; }
.more-viz > div + div { border-left: 1px solid var(--line); }
.more-viz .intro { background: linear-gradient(135deg, rgba(207,8,109,.16), rgba(242,169,59,.08)); }
.more-viz h3 { font-size: 18px; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.more-viz h3 i { color: var(--amber); }
.more-viz p { color: var(--muted); font-size: 15px; }
.note { color: var(--muted); font-size: 14px; margin-top: 18px; display: flex; gap: 8px; }
.note i { color: var(--muted); margin-top: 3px; }

/* builder: AI feature */
.feature { display: grid; grid-template-columns: 1fr; gap: 32px; }
.feature .clip { aspect-ratio: 1138/640; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 0; margin: 0; list-style: none; counter-reset: none; }
.flow li { border-top: 2px solid var(--line-strong); padding-top: 16px; }
.flow li:first-child { border-color: var(--teal); }
.flow li i { color: var(--teal-lt); font-size: 22px; }
.flow li strong { display: block; margin: 8px 0 4px; font-weight: 500; }
.flow li span { color: var(--muted); font-size: 15px; }

/* builder: authoring */
.author { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; }
.author .wide { grid-column: span 2; }
.author .wide .clip { aspect-ratio: 16/9; }
.author .half .clip { aspect-ratio: 1368/720; }

/* builder: data grid */
.datagrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--line); }
.datagrid > article { padding: 36px 36px 40px 0; border-bottom: 1px solid var(--line); }
.datagrid > article:nth-child(even) { padding: 36px 0 40px 36px; border-left: 1px solid var(--line); }
.datagrid .clip { aspect-ratio: 1368/720; }

/* builder: studies */
.studies { display: grid; grid-template-columns: 7fr 5fr; gap: 24px; }
.studies .main .clip { aspect-ratio: 1368/720; }
.studies .stack { display: grid; gap: 28px; }
.studies .stack .clip { aspect-ratio: 1368/720; }

/* footer */
.closing { margin-top: 112px; border-top: 1px solid var(--line); position: relative; overflow: hidden; }
.closing::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--grad); }
.closing .wrap { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.closing h2 { font-size: clamp(28px, 3vw, 40px); max-width: 22ch; }
.closing p { color: var(--muted); margin-top: 12px; max-width: 56ch; }
footer { border-top: 1px solid var(--line); }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 28px; padding-bottom: 40px; color: var(--muted); font-size: 14px; }
footer img { height: 24px; width: auto; }

/* copy link to section */
.sec-head h2 { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.viz-panel h3 { display: flex; align-items: center; gap: 10px; }
.copy-link { all: unset; cursor: pointer; display: inline-grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto;
  border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); font-size: 17px;
  opacity: .55; transition: opacity .2s, color .2s, border-color .2s, transform .2s var(--ease); }
.viz-panel .copy-link { width: 30px; height: 30px; font-size: 15px; }
.sec-head:hover .copy-link, .viz-panel:hover .copy-link, .copy-link:focus-visible { opacity: 1; }
.copy-link:hover { color: var(--text); border-color: rgba(255,255,255,.35); }
.copy-link:active { transform: scale(.94); }
.copy-link:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.copy-link.done { color: var(--teal-lt); border-color: var(--teal); opacity: 1; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 30; transform: translate(-50%, 16px); opacity: 0; pointer-events: none;
  background: var(--surface-2); border: 1px solid var(--line-strong); color: var(--text); border-radius: 999px;
  padding: 10px 18px; font-size: 14px; display: flex; gap: 8px; align-items: center; transition: opacity .25s, transform .35s var(--ease); }
.toast i { color: var(--teal-lt); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (hover: none) { .copy-link { opacity: 1; } }

/* lightbox */
dialog { border: 0; padding: 0; background: transparent; max-width: min(1400px, 94vw); width: 100%; color: var(--text); }
dialog::backdrop { background: rgba(5,6,9,.88); backdrop-filter: blur(6px); }
dialog video { width: 100%; border-radius: 12px; background: #000; max-height: 82vh; }
dialog .dlg-bar { display: flex; justify-content: space-between; align-items: center; padding: 0 0 12px; gap: 16px; }
dialog .dlg-bar button { all: unset; cursor: pointer; width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; border: 1px solid var(--line-strong); }
dialog .dlg-bar button:focus-visible { outline: 2px solid var(--amber); }

/* reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .clip video, .fade-swap { transition: none; animation: none; }
}

/* responsive */
@media (max-width: 1080px) {
  .viz { grid-template-columns: 1fr; }
  .viz-tabs { scrollbar-width: none; position: static; flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .viz-tab { flex: 0 0 auto; scroll-snap-align: start; grid-template-columns: 26px auto; }
  .viz-tab span { display: none; }
  .more-viz { grid-template-columns: 1fr; }
  .more-viz > div + div { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 860px) {
  .nav ul { display: none; }
  .nav .btn { margin-left: auto; }
  .pipeline, .hero .wrap, .products .wrap, .viz-panel, .author, .datagrid, .studies, .closing .wrap { grid-template-columns: 1fr; }
  .product, .product + .product { padding: 36px 0; border-left: 0; }
  .product + .product { border-top: 1px solid var(--line); }
  .bento { grid-template-columns: 1fr; }
  .b-l, .b-s, .author .wide { grid-column: auto; }
  .bento .b-s.lift { margin-top: 0; }
  .datagrid > article, .datagrid > article:nth-child(even) { padding: 28px 0; border-left: 0; }
  .flow { grid-template-columns: 1fr 1fr; }
  section.block { padding-top: 80px; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 56px; }
  .flow { grid-template-columns: 1fr; }

  footer .wrap { flex-direction: column; align-items: flex-start; }
}

/* ---------- spotnik.ai additions: company, contact, footer ---------- */
.kicker.brand { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 40; background: var(--text); color: #11131a; padding: 8px 14px; border-radius: 999px; text-decoration: none; }
.skip:focus { top: 12px; }

/* company */
.company { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.company .statement { font-size: clamp(24px, 2.4vw, 32px); font-weight: 500; line-height: 1.3; letter-spacing: -.015em; }
.company .statement em { font-style: normal; color: var(--muted); }
.company .meta { margin-top: 28px; display: grid; gap: 10px; color: var(--muted); font-size: 15px; }
.company .meta div { display: flex; gap: 10px; align-items: center; }
.company .meta i { color: var(--coral); font-size: 18px; }
.outcomes { list-style: none; margin: 0; padding: 0; display: grid; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.outcomes li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 26px 28px; }
.outcomes li + li { border-top: 1px solid var(--line); }
.outcomes li > i { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 22px;
  background: var(--surface-2); border: 1px solid var(--line-strong); color: var(--amber); }
.outcomes li:nth-child(2) > i { color: var(--coral); }
.outcomes li:nth-child(3) > i { color: var(--teal-lt); }
.outcomes h3 { font-size: 19px; }
.outcomes p { color: var(--muted); font-size: 15.5px; margin-top: 6px; }
.outcomes .via { display: inline-block; margin-top: 10px; font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--muted);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 2px 10px; }

/* closing CTAs */
.closing .ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* contact */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: start; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.contact-list > li > a { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: center; padding: 14px 16px;
  border-radius: 12px; text-decoration: none; border: 1px solid transparent; transition: background .2s, border-color .2s; }
.contact-list a:hover { background: var(--surface); border-color: var(--line); }
.contact-list i { width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; font-size: 19px;
  border: 1px solid var(--line-strong); color: var(--amber); }
.contact-list small { display: block; color: var(--muted); font-family: "JetBrains Mono", monospace; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; }
.contact-list span { font-size: 16px; }
.social { display: flex; gap: 10px; margin-top: 24px; padding-left: 16px; }
.social a { width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; font-size: 19px; color: var(--muted);
  border: 1px solid var(--line-strong); text-decoration: none; transition: color .2s, border-color .2s; }
.social a:hover { color: var(--text); border-color: rgba(255,255,255,.35); }
.social a:focus-visible, .contact-list a:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; position: relative; overflow: hidden; }
.form::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--grad); }
.form .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.form input, .form textarea, .form select { width: 100%; font: inherit; font-size: 16px; color: var(--text); background: var(--bg);
  border: 1px solid var(--line-strong); border-radius: 10px; padding: 12px 14px; transition: border-color .2s, box-shadow .2s; }
.form textarea { min-height: 132px; resize: vertical; }
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(242,169,59,.18); }
.form .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 22px; flex-wrap: wrap; }
.form .row p { color: var(--muted); font-size: 13.5px; max-width: 40ch; }
.form button.btn { border: 0; cursor: pointer; font-family: inherit; }
.form button.btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* footer (extended) */
.site-foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 48px; padding-bottom: 28px; align-items: start; }
.site-foot p { color: var(--muted); font-size: 14.5px; margin-top: 14px; max-width: 38ch; }
.site-foot h4 { margin: 0 0 12px; font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 15px; }
.site-foot ul a { text-decoration: none; color: var(--text); opacity: .85; }
.site-foot ul a:hover { opacity: 1; }
.legal { border-top: 1px solid var(--line); }
.legal .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 32px; color: var(--muted); font-size: 13.5px; }

@media (max-width: 860px) {
  .company, .contact, .site-foot .wrap { grid-template-columns: 1fr; gap: 36px; }
  .closing .wrap { gap: 28px; }
}
@media (max-width: 520px) {
  .form { padding: 22px; }
  .form .grid { grid-template-columns: 1fr; }
  .outcomes li { padding: 22px 18px; grid-template-columns: 40px 1fr; }
  footer.site-foot .wrap { flex-direction: unset; }
}
.form [aria-invalid="true"] { border-color: var(--coral); }