/* studIGI landing page. Built on tokens.css + components.css (the studIGI Landing design system). */

:root {
  --gutter: var(--space-7);
  --promo-h: 40px;
  --nav-h: 68px;
  --header-h: calc(var(--promo-h) + var(--nav-h));
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}
@media (max-width: 720px) {
  :root { --gutter: var(--space-4); --promo-h: 56px; --nav-h: 60px; }
}
[hidden] { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--header-h); }
body { font-size: 16px; line-height: 26px; overflow-x: clip; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--on-accent); }

.container { width: min(100% - var(--gutter) * 2, var(--content-max)); margin-inline: auto; }
.section { padding-block: calc(var(--space-10) * .75); }
@media (max-width: 720px) { .section { padding-block: calc(var(--space-8) * .75); } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; left: var(--space-4); top: var(--space-4); z-index: 100; transform: translateY(-200%); background: var(--accent); color: var(--on-accent); padding: var(--space-2) var(--space-4); border-radius: var(--radius-md); font-weight: 600; text-decoration: none; }
.skip-link:focus { transform: none; }

.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sg-card__icon .icon { width: 20px; height: 20px; }
.sg-step__tile .icon { width: 22px; height: 22px; }

a:focus-visible, button:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: var(--radius-sm); }

/* ---------- Loader ---------- */
.loader { display: none; }
.js .loader { position: fixed; inset: 0; z-index: 90; display: flex; flex-direction: column; justify-content: flex-end; background: var(--bg); padding: var(--gutter); }
.is-loaded .loader { visibility: hidden; }
.loader__inner { display: flex; justify-content: space-between; align-items: flex-end; overflow: hidden; }
.loader__word { display: block; font-size: clamp(56px, 11vw, 150px); color: var(--ink); }
.loader__count { font-size: 15px; font-weight: 600; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.loader__bar { height: 1px; background: var(--line); margin-top: var(--space-5); }
.loader__bar span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; }
.promo-bar { position: relative; z-index: 2; background: var(--brand-navy); border-bottom: 1px solid var(--line); color: var(--ink-muted); font-size: 14px; line-height: 20px; }
.promo-bar__inner { min-height: var(--promo-h); display: flex; align-items: center; justify-content: center; gap: var(--space-4); padding-block: var(--space-2); text-align: center; }
.promo-bar strong { color: var(--ink); font-weight: 600; }
.promo-bar .sg-link { white-space: nowrap; }
@media (max-width: 720px) { .promo-bar { font-size: 13px; line-height: 18px; } .promo-bar__inner { gap: var(--space-3); text-align: left; } }

.nav-wrap { position: relative; z-index: 1; transition: transform .6s var(--ease-out), background-color .3s ease; }
.site-header.is-scrolled .nav-wrap { background: var(--bg); }
.site-header.is-hidden .nav-wrap { transform: translateY(-100%); }
.sg-nav { height: var(--nav-h); padding: 0; }
.sg-nav__links a { position: relative; transition: color .2s ease; }
.sg-nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .4s var(--ease-out); }
.sg-nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- Hero ---------- */
/* Desktop: one screen. Right column starts with the promo; on scroll it leaves and the phones come in. */
.hero { padding-top: calc(var(--header-h) + var(--space-6)); padding-bottom: calc(var(--space-9) * .75); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: var(--space-7); align-items: center; }
.hero__title { font-size: clamp(40px, min(5.2vw, 8.4vh), 72px); line-height: 1.04; max-width: 11.5em; }
.hero__lead { margin-top: var(--space-5); max-width: var(--text-max); }
.hero__copy .sg-hero__cta { margin-top: var(--space-6); }
.hero__micro { margin-top: var(--space-4); font-size: 14px; line-height: 20px; color: var(--ink-subtle); }
.sg-btn { gap: var(--space-2); }
.roll { display: inline-block; height: 20px; overflow: hidden; }
.roll > span { display: block; transition: transform .55s var(--ease-out); }
.roll > span::after { content: attr(data-text); display: block; }
@media (hover: hover) { .sg-btn:hover .roll > span { transform: translateY(-20px); } }


.hero__visual { position: relative; }
.hero__stage { position: relative; pointer-events: none; }
.hero__stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.no-webgl .hero__stage { display: none; }

.promo-wrap { position: relative; z-index: 1; }
.promo { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); box-shadow: var(--shadow-card); padding: var(--space-6); }
.promo__title { font-size: 22px; line-height: 28px; font-weight: 600; letter-spacing: -.015em; }
.promo__intro { margin-top: var(--space-2); color: var(--ink-muted); font-size: 15px; line-height: 24px; }
.promo__list { margin-top: var(--space-4); border-top: 1px solid var(--line); }
.promo__item { display: grid; grid-template-columns: 84px 1fr; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--line); }
.promo__value { font-size: 26px; line-height: 30px; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.promo__item h3 { font-size: 16px; line-height: 24px; font-weight: 600; }
.promo__item p { font-size: 15px; line-height: 22px; color: var(--ink-muted); }
.promo__meter { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-4); font-size: 15px; color: var(--ink-muted); }
.promo__meter strong { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.promo__dots { display: flex; gap: var(--space-2); }
.promo__dots i { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--line-strong); }
.promo__dots i.is-free { background: var(--accent); border-color: var(--accent); }
.promo__fine { margin-top: var(--space-1); font-size: 13px; line-height: 20px; color: var(--ink-subtle); }
.promo__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.promo__cta-label { font-weight: 600; margin-right: auto; }

@media (min-width: 961px) {
  .hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding-top: calc(var(--header-h) + var(--space-4)); padding-bottom: var(--space-5); }
  .hero > .container { width: min(100% - var(--gutter) * 2, var(--content-max)); }
  .hero__visual { display: grid; align-items: center; perspective: 1200px; min-height: min(640px, calc(100svh - var(--header-h) - var(--space-7))); }
  .hero__visual > * { grid-area: 1 / 1; }
  .hero__stage { align-self: stretch; margin-inline: calc(var(--space-6) * -1); }
  /* without scroll motion: phones under the promo instead of replacing it */
  .reduced .hero__visual, .no-js .hero__visual { display: block; }
  .reduced .hero__stage { height: 480px; margin-top: var(--space-5); }
}
@media (min-width: 961px) and (max-height: 760px) {
  .promo { padding: var(--space-5); }
  .promo__intro { display: none; }
}

@media (max-width: 960px) {
  .hero { padding-top: calc(var(--header-h) + var(--space-6)); }
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero__stage { aspect-ratio: 1 / .9; max-height: 560px; }
}
@media (max-width: 520px) {
  .promo { padding: var(--space-5); }
  .promo__item { grid-template-columns: 64px 1fr; gap: var(--space-3); }
  .promo__value { font-size: 20px; }
  .promo__cta-label { width: 100%; }
  .promo__cta .sg-btn { flex: 1; }
}

/* ---------- Examples (horizontal) ---------- */
.examples { padding-block: calc(var(--space-9) * .75); }
.examples__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-7); margin-bottom: var(--space-7); }
.examples__lead { margin-top: var(--space-4); max-width: var(--text-max); }
.examples__progress { flex: 0 0 200px; height: 1px; background: var(--line); margin-bottom: var(--space-3); }
.examples__progress span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }
.examples__viewport { overflow: hidden; }
.examples__track { display: flex; gap: var(--space-5); padding-inline: max(var(--gutter), (100vw - var(--content-max)) / 2); width: max-content; }

.example-card { flex: 0 0 360px; max-width: none; padding: 0; gap: 0; overflow: hidden; }
.example-card__media { height: 260px; display: flex; justify-content: center; align-items: flex-end; border-bottom: 1px solid var(--line); overflow: hidden; }
.example-card__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5) var(--space-6) var(--space-6); }
.example-card--idea { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: var(--space-4); padding: var(--space-6); border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); }

@media (min-width: 961px) {
  .js .examples { padding-block: 0; }
  .js .examples__pin { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: var(--header-h); padding-bottom: calc(var(--space-7) * .75); }
}
@media (max-width: 960px) {
  .examples__head { flex-direction: column; align-items: flex-start; gap: 0; }
  .examples__progress { display: none; }
  .examples__viewport { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .examples__viewport::-webkit-scrollbar { display: none; }
  .examples__track { padding-bottom: var(--space-2); }
  .example-card { flex-basis: min(82vw, 340px); scroll-snap-align: center; }
}

/* Mini phone UIs (cards) */
.mini-phone { position: relative; width: 212px; height: 226px; border: 7px solid #04060b; border-bottom: 0; border-radius: 32px 32px 0 0; background: var(--bg); overflow: hidden; box-shadow: 0 0 0 1px var(--line); }
.mini-phone::before { content: ""; position: absolute; top: 7px; left: 50%; width: 56px; height: 16px; margin-left: -28px; border-radius: 10px; background: #000; z-index: 2; }
.mini-ui { padding: 34px 14px 0; font-size: 10px; line-height: 14px; color: var(--ink); }
.mini-ui__brand { color: var(--ink-muted); font-size: 9px; }
.mini-ui__title { font-size: 15px; line-height: 20px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.mini-cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; margin-top: 10px; text-align: center; }
.mini-cal span { font-size: 8px; color: var(--ink-subtle); }
.mini-cal b { font-weight: 600; font-size: 9px; line-height: 20px; border-radius: 4px; border: 1px solid transparent; transition: border-color .4s ease; }
.mini-cal b.is-today.is-on { border-color: var(--accent); }
.mini-slots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.mini-slots span { text-align: center; font-weight: 600; line-height: 26px; border-radius: 4px; background: var(--surface); border: 1px solid var(--line); transition: background-color .4s ease, color .4s ease, border-color .4s ease; }
.mini-slots span.is-on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.mini-menu { margin-top: 10px; }
.mini-menu li { display: grid; grid-template-columns: 26px 1fr auto; gap: 8px; align-items: center; padding: 6px 0; border-top: 1px solid var(--line); }
.mini-menu i { width: 26px; height: 26px; border-radius: 4px; background: var(--surface-raised); border: 1px solid var(--line); }
.mini-menu span { font-weight: 600; }
.mini-menu em { font-style: normal; color: var(--ink-muted); }
.mini-cart { margin-top: 8px; background: var(--ink); color: var(--brand-navy); font-weight: 700; text-align: center; line-height: 30px; border-radius: 4px; font-variant-numeric: tabular-nums; }
.mini-loyal { margin-top: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.mini-loyal__head { font-weight: 700; font-size: 12px; letter-spacing: -.01em; }
.mini-loyal__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 12px; }
.mini-loyal__grid i { position: relative; aspect-ratio: 1; border: 1px solid var(--line-strong); border-radius: 4px; }
.mini-loyal__grid i[data-stamp]::after { content: ""; position: absolute; inset: 0; margin: auto; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); transform: scale(var(--s, 1)); }
.mini-loyal__note { margin-top: 12px; color: var(--ink-muted); }
.mini-ui--lock { text-align: center; padding-top: 40px; }
.mini-lock__date { font-size: 9px; color: var(--ink-muted); }
.mini-lock__time { font-size: 46px; line-height: 50px; font-weight: 700; letter-spacing: -.04em; }
.mini-notif { display: flex; gap: 8px; text-align: left; margin-top: 18px; background: var(--surface-raised); border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
.mini-notif i { flex: none; width: 18px; height: 18px; border-radius: 4px; background: var(--accent); }
.mini-notif b { display: block; font-size: 9px; }
.mini-notif span { color: var(--ink-muted); font-size: 9px; line-height: 12px; }
.mini-tasks { margin-top: 10px; }
.mini-tasks li { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; border-top: 1px solid var(--line); }
.mini-tasks b { display: block; font-weight: 600; }
.mini-tasks span { color: var(--ink-subtle); font-size: 9px; }
.mini-tasks em { font-style: normal; font-size: 9px; color: var(--ink-muted); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; transition: color .4s ease, border-color .4s ease; }
.mini-tasks em.is-done.is-on { color: var(--positive); border-color: color-mix(in srgb, var(--positive) 45%, transparent); }

/* ---------- Services ---------- */
.services__grid { display: grid; grid-template-columns: 4fr 8fr; gap: var(--space-7); }
.services__head { position: sticky; top: calc(var(--header-h) + var(--space-6)); align-self: start; }
.services__cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.services .sg-card { max-width: none; transition: border-color .3s ease, transform .5s var(--ease-out), background-color .3s ease; }
.services .sg-card:hover { border-color: var(--line-strong); background: var(--surface-raised); transform: translateY(-4px); }
@media (max-width: 860px) {
  .services__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .services__head { position: static; }
}
@media (max-width: 560px) { .services__cards { grid-template-columns: 1fr; } }

/* ---------- Process ---------- */
.process__title { max-width: 12em; }
.process__steps { position: relative; grid-template-columns: repeat(5, minmax(0, 1fr)); padding: 0; margin-top: var(--space-8); gap: var(--space-5); }
.process__line { position: absolute; top: 0; left: 0; right: 0; height: 1px; z-index: 1; pointer-events: none; }
.process__line span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }
.js .process__line span { transform: scaleX(0); }
.no-js .process__line span, .reduced .process__line span { transform: none; }
.sg-step__text { max-width: 22ch; }
@media (max-width: 960px) {
  .process__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-7); }
  .process__line { display: none; }
}

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 5fr 7fr; gap: var(--space-8); align-items: center; }
.portrait { position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.portrait__inner { position: absolute; inset: -8% 0; }
.portrait__inner img { width: 100%; height: 100%; object-fit: cover; }
.portrait__placeholder { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); text-align: center; padding: var(--space-5); }
.portrait__initials { font-size: 36px; line-height: 42px; font-weight: 700; letter-spacing: -.03em; color: var(--ink-muted); }
.about__lead { margin-top: var(--space-5); color: var(--ink); }
.about__body { margin-top: var(--space-4); }
.about__features { margin-top: var(--space-7); }
.about__features li { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-4); padding: var(--space-4) 0; border-top: 1px solid var(--line); }
.about__features li:last-child { border-bottom: 1px solid var(--line); }
.about__features b { font-weight: 600; }
.about__features span { color: var(--ink-muted); }
@media (max-width: 860px) {
  .about__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .portrait { max-width: 420px; }
  .about__features li { grid-template-columns: 1fr; gap: var(--space-1); }
}

/* ---------- Reviews ---------- */
.reviews__head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-5); flex-wrap: wrap; }
.reviews__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); margin-top: var(--space-8); }
.review { max-width: none; gap: var(--space-4); }
.review__top { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); }
.review__stars { display: flex; gap: 2px; color: var(--accent); }
.review__source { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 var(--space-3) 0 var(--space-2); border: 1px solid var(--line); border-radius: var(--radius-md); color: var(--ink-muted); font-size: 13px; font-weight: 600; text-decoration: none; transition: color .2s ease, border-color .2s ease, background-color .2s ease; }
.review__source .icon { width: 16px; height: 16px; }
.review__source .review__arrow { width: 14px; height: 14px; transition: transform .3s var(--ease-out); }
.review__source:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface-raised); }
.review__source:hover .review__arrow { transform: translate(2px, -2px); }
.review__stars .icon { width: 16px; height: 16px; fill: currentColor; stroke: none; }
.review__quote { color: var(--ink); flex: 1; }
.review__author { display: flex; align-items: center; gap: var(--space-3); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.review__author b { display: block; font-weight: 600; font-size: 15px; line-height: 20px; }
.review__author .sg-small { display: block; }
.review__avatar { flex: none; width: 40px; height: 40px; position: relative; overflow: hidden; display: grid; place-items: center; border-radius: var(--radius-sm); background: var(--surface-raised); border: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--ink); }
.review__avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) { .reviews__grid { grid-template-columns: 1fr; max-width: 560px; } }

/* ---------- CTA ---------- */
.cta__panel { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 600px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl); overflow: hidden; }
.cta__copy { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; gap: var(--space-5); padding: var(--space-8); }
.cta__copy .sg-hero__cta { margin-top: var(--space-2); }
.cta__micro { font-size: 14px; line-height: 20px; color: var(--ink-subtle); }
.cta__art { position: relative; min-height: 360px; }
.cta__art canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
@media (max-width: 900px) {
  .cta__panel { grid-template-columns: 1fr; }
  .cta__copy { padding: var(--space-6) var(--space-5); }
  .cta__art { order: -1; min-height: 320px; border-bottom: 1px solid var(--line); }
}

/* ---------- Footer ---------- */
.footer { padding: calc(var(--space-9) * .75) 0 var(--space-6); border-top: 1px solid var(--line); overflow: hidden; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-6); }
.footer__list { display: flex; flex-direction: column; gap: var(--space-2); font-size: 15px; }
.footer__list a { color: var(--ink-muted); text-decoration: none; transition: color .2s ease; }
.footer__list a:hover { color: var(--ink); }
.footer__giant { margin-top: var(--space-9); color: var(--surface-raised); --logo-dot: var(--line); user-select: none; }
.footer__giant .sg-logo { width: 100%; max-width: 1240px; height: auto; }
.footer__copy { margin-top: var(--space-5); }
@media (max-width: 720px) { .footer__grid { grid-template-columns: 1fr 1fr; } .footer__grid > div:first-child { grid-column: 1 / -1; } }

/* ---------- Motion helpers ---------- */
.split-line { padding-bottom: .12em; }
[class$="line-mask"] { margin-bottom: -.12em; }
.icon-draw * { stroke-dasharray: 1; stroke-dashoffset: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .js .loader { display: none; }
}