/* Carus AI — white, minimal, one blue. */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --ink: #0a1428;
  --ink-2: #3a4558;
  --ink-3: #697386;
  --ink-4: #9aa3b3;
  --line: #e5e9f0;
  --line-2: #d9dfe8;
  --blue: #1f5bf2;
  --blue-2: #0a84f5;
  --cyan: #00b2cf;
  --navy: #083a7e;
  --grad: linear-gradient(100deg, #083a7e 0%, #1046f2 42%, #0a84f5 74%, #00b2cf 100%);
  --radius: 22px;
  --pad: clamp(20px, 4.4vw, 72px);
  --maxw: 1440px;
  --space: clamp(96px, 14vh, 168px);
  --nav-h: 72px;
  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; -webkit-text-size-adjust: 100%; }
body {
  font: 400 16px/1.55 var(--font);
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, video, canvas { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3 { font-weight: 550; color: var(--ink); }
::selection { background: rgba(31, 91, 242, .16); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.skip { position: fixed; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* type ------------------------------------------------------------------------------ */
.mono { font-family: var(--mono); font-size: 11.5px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 11.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--blue);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 1.5px; background: currentColor; }
.eyebrow--light { color: rgba(255, 255, 255, .85); }
.h2 { font-size: clamp(36px, 4.7vw, 70px); line-height: 1; letter-spacing: -.042em; font-weight: 540; margin-top: 20px; }
.body { font-size: 17.5px; line-height: 1.6; color: var(--ink-2); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .04em; }
.arrow { display: inline-block; transition: transform .35s var(--ease); }
a:hover .arrow, button:hover .arrow { transform: translateX(4px); }
.link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-weight: 500; }

/* buttons --------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 54px; padding: 0 28px; border-radius: 999px;
  font-size: 16.5px; font-weight: 500; letter-spacing: -.01em; white-space: nowrap;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--outline { color: var(--blue); border: 1.5px solid rgba(31, 91, 242, .55); background: rgba(255, 255, 255, .55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn--outline:hover { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 12px 30px -12px rgba(31, 91, 242, .6); }
.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--blue); }
.btn--white { background: #fff; color: var(--ink); }
.btn--white:hover { box-shadow: 0 14px 40px -14px rgba(0, 0, 0, .45); }
.btn--glass { color: #fff; border: 1px solid rgba(255, 255, 255, .38); background: rgba(255, 255, 255, .08); }
.btn--glass:hover { background: rgba(255, 255, 255, .18); }

/* nav ------------------------------------------------------------------------------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  height: var(--nav-h); padding: 0 var(--pad);
  transition: background .4s var(--ease), box-shadow .4s var(--ease), height .4s var(--ease);
}
.nav.is-scrolled {
  height: 64px;
  background: rgba(255, 255, 255, .8);
  -webkit-backdrop-filter: saturate(1.8) blur(18px); backdrop-filter: saturate(1.8) blur(18px);
  box-shadow: 0 1px 0 rgba(10, 20, 40, .07);
}
.nav__logo img { height: 25px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav__links > a, .drop__btn { padding: 8px 14px; border-radius: 999px; font-size: 14px; color: var(--ink-2); transition: color .2s, background .2s; }
.nav__links > a:hover, .drop__btn:hover, .drop.is-open .drop__btn { color: var(--ink); background: rgba(10, 20, 40, .045); }

/* Products dropdown */
.drop { position: relative; }
.drop__btn { display: inline-flex; align-items: center; gap: 7px; line-height: inherit; }
.drop__chev { width: 9px; height: 6px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: transform .35s var(--ease); }
.drop.is-open .drop__chev { transform: rotate(180deg); }
.drop__panel {
  position: absolute; top: calc(100% + 12px); left: 50%; width: 330px; padding: 8px;
  border-radius: 20px; background: #fff;
  box-shadow: 0 0 0 1px rgba(10, 20, 40, .06), 0 2px 6px rgba(10, 20, 40, .04), 0 28px 64px -24px rgba(10, 20, 40, .28);
  opacity: 0; visibility: hidden; transform: translate(-50%, -6px) scale(.985); transform-origin: 50% 0;
  transition: opacity .22s var(--ease), transform .32s var(--ease), visibility 0s .32s;
}
.drop__panel::before { content: ""; position: absolute; left: 0; right: 0; bottom: 100%; height: 14px; } /* hover bridge */
.drop.is-open .drop__panel { opacity: 1; visibility: visible; transform: translate(-50%, 0) scale(1); transition: opacity .22s var(--ease), transform .32s var(--ease), visibility 0s; }
.drop__item { display: flex; align-items: center; gap: 14px; padding: 8px; border-radius: 14px; transition: background .2s; }
.drop__item:hover, .drop__item:focus-visible { background: var(--bg-soft); }
.drop__thumb { flex: none; width: 52px; height: 52px; overflow: hidden; border-radius: 12px; background: var(--bg-soft); box-shadow: inset 0 0 0 1px rgba(10, 20, 40, .06); }
.drop__thumb img { width: 100%; height: 100%; object-fit: cover; }
.drop__text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.drop__text b { font-size: 15px; font-weight: 550; letter-spacing: -.01em; color: var(--ink); transition: color .2s; }
.drop__text small { font-size: 13px; line-height: 1.3; color: var(--ink-3); }
.drop__item:hover b { color: var(--blue); }
.drop__all { display: flex; align-items: center; justify-content: space-between; margin: 6px 4px 0; padding: 12px 8px 6px; border-top: 1px solid var(--line); font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.nav__cta { margin-left: 8px; }
.nav__toggle { display: none; position: relative; width: 42px; height: 42px; margin-left: auto; border-radius: 50%; }
.nav__toggle span { position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease); }
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 24px; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

.menu { position: fixed; inset: 0; z-index: 40; padding: 96px var(--pad) 40px; background: rgba(255, 255, 255, .97); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.menu nav { display: flex; flex-direction: column; }
.menu a, .menu__group { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 30px; letter-spacing: -.03em; color: var(--ink); }
.menu__group { display: flex; align-items: center; justify-content: space-between; width: 100%; line-height: inherit; text-align: left; }
.menu__plus { position: relative; width: 16px; height: 16px; margin-right: 6px; }
.menu__plus::before, .menu__plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1.5px; margin-top: -.75px; background: currentColor; transition: transform .35s var(--ease); }
.menu__plus::after { transform: rotate(90deg); }
.menu__group[aria-expanded="true"] .menu__plus::after { transform: rotate(0deg); }
.menu__sub { display: grid; grid-template-rows: 0fr; visibility: hidden; transition: grid-template-rows .45s var(--ease), visibility 0s .45s; }
.menu__group[aria-expanded="true"] + .menu__sub { grid-template-rows: 1fr; visibility: visible; transition: grid-template-rows .45s var(--ease), visibility 0s; }
.menu__sub > div { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.menu__sub a { padding: 12px 0 12px 20px; font-size: 22px; color: var(--ink-2); }

/* hero: the robotic hand clip on white ------------------------------------------------ */
.hero { position: relative; isolation: isolate; overflow: clip; height: 100svh; min-height: 640px; max-height: 1100px; background: #fff; }
/* The clip sits on the right; its backdrop is plain white, so the frame's edges disappear into the page. */
.hero__media { position: absolute; top: 0; right: 0; bottom: 0; z-index: -1; width: min(66vw, 1320px); }
.hero__video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: var(--hand-x, 30%) 100%;
  /* The clip's backdrop is a hair off-white (#fcfafa); a slight lift makes it the page's white. */
  filter: brightness(1.035);
  opacity: 0; transition: opacity .9s var(--ease);
}
.hero__video.is-on { opacity: 1; }
.hero__inner { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; height: 100%; padding-top: var(--nav-h); padding-bottom: 24px; }
.hero__inner > * { animation: rise 1.1s var(--ease) both; }
.hero__inner > :nth-child(2) { animation-delay: .08s; }
.hero__inner > :nth-child(3) { animation-delay: .16s; }
.hero__inner > :nth-child(4) { animation-delay: .24s; }
.hero__title { margin: 26px 0 22px; max-width: 9.4em; font-size: clamp(46px, 6vw, 96px); line-height: .94; letter-spacing: -.048em; font-weight: 560; color: var(--ink); }
.hero__lede { max-width: 21em; font-size: clamp(17px, 1.45vw, 21px); line-height: 1.5; color: var(--ink-3); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero__toggle { position: absolute; right: var(--pad); bottom: 26px; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-2); background: rgba(255, 255, 255, .7); color: var(--ink-3); transition: color .2s, border-color .2s; }
.hero__toggle:hover { color: var(--ink); border-color: var(--ink-4); }
.hero__toggle span, .hero__toggle span::after { position: absolute; top: 13px; width: 3px; height: 12px; border-radius: 1px; background: currentColor; }
.hero__toggle span { left: 14.5px; }
.hero__toggle span::after { content: ""; top: 0; left: 6px; }
.hero__toggle.is-paused span { left: 16px; width: 0; height: 0; border-radius: 0; background: none; border-style: solid; border-width: 6.5px 0 6.5px 10px; border-color: transparent transparent transparent currentColor; }
.hero__toggle.is-paused span::after { display: none; }

.tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 15px 7px 11px; border-radius: 999px;
  font-size: 14.5px; font-weight: 500; color: var(--blue);
  background: rgba(255, 255, 255, .72); border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transition: border-color .3s;
}
.tag:hover { border-color: rgba(31, 91, 242, .4); }
.tag__dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.tag__dot::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--blue); opacity: 0; animation: ping 2.4s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(.4); opacity: .8; } 100% { transform: scale(1.5); opacity: 0; } }
.nav__logo { display: block; }

/* statement ------------------------------------------------------------------------- */
.statement { padding-top: var(--space); padding-bottom: calc(var(--space) * .8); }
.statement__text {
  margin-top: 26px; max-width: 13.5em;
  font-size: clamp(36px, 5.3vw, 82px); line-height: 1.02; letter-spacing: -.045em; font-weight: 530; color: var(--ink);
}
.statement__text .w { opacity: .14; transition: opacity .25s linear; }
.statement__foot { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 110px); align-items: start; margin-top: clamp(48px, 8vh, 88px); }
.statement__body { max-width: 34em; font-size: 18px; line-height: 1.6; color: var(--ink-2); }
.pillars { border-top: 1px solid var(--line-2); }
.pillars a { display: flex; align-items: baseline; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line-2); font-size: 19px; letter-spacing: -.015em; color: var(--ink); transition: padding .35s var(--ease), color .25s; }
.pillars a .mono { color: var(--blue); }
.pillars a:hover { padding-left: 10px; color: var(--blue); }

/* film ------------------------------------------------------------------------------ */
.film { padding-bottom: var(--space); }
.film__head { margin-bottom: clamp(32px, 5vh, 56px); }
.film__frame {
  --inset: 4.4vw; --r: 28px;
  position: relative; height: min(90svh, 920px); min-height: 520px; overflow: hidden;
  background: #0c1322;
  clip-path: inset(0 var(--inset) round var(--r));
}
.film__slides, .film__slide { position: absolute; inset: 0; }
.film__slide { opacity: 0; transition: opacity 1.3s var(--ease); }
.film__slide.is-active { opacity: 1; }
.film__slide img, .film__slide video { width: 100%; height: 100%; object-fit: cover; transform: scale(1.1); }
.film__slide.is-active img, .film__slide.is-active video { animation: kenburns var(--dur, 7s) linear forwards; }
.film.is-paused .film__slide img, .film.is-offscreen .film__slide img { animation-play-state: paused; }
.film__slide--lift img { filter: brightness(1.55) contrast(1.05) saturate(1.05); }
@keyframes kenburns { from { transform: scale(1.1) translate3d(1.2%, .6%, 0); } to { transform: scale(1.01) translate3d(0, 0, 0); } }
.film__shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 12, 28, 0) 50%, rgba(6, 12, 28, .66) 100%); pointer-events: none; }
.film__ui {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px;
  padding: 0 calc(var(--inset) + clamp(22px, 3vw, 44px)) clamp(24px, 4vh, 40px);
  color: #fff;
}
.film__count { color: rgba(255, 255, 255, .7); }
.film__title { margin-top: 10px; font-size: clamp(22px, 2.5vw, 36px); line-height: 1.1; letter-spacing: -.03em; font-weight: 500; }
.film__sub { margin-top: 6px; max-width: 30em; color: rgba(255, 255, 255, .72); font-size: 15.5px; }
.film__controls { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.film__bars { display: flex; gap: 6px; }
.film__bars button { position: relative; width: 34px; height: 18px; }
.film__bars button::before, .film__bars button::after { content: ""; position: absolute; left: 0; right: 0; top: 8px; height: 2px; border-radius: 2px; }
.film__bars button::before { background: rgba(255, 255, 255, .28); }
.film__bars button::after { background: #fff; transform: scaleX(var(--p, 0)); transform-origin: left; }
.film__toggle { position: relative; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .08); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); transition: background .25s; }
.film__toggle:hover { background: rgba(255, 255, 255, .2); }
.film__toggle span, .film__toggle span::after { position: absolute; top: 14px; width: 3px; height: 13px; border-radius: 1px; background: #fff; }
.film__toggle span { left: 15.5px; }
.film__toggle span::after { content: ""; top: 0; left: 7px; }
.film__toggle.is-paused span { left: 17px; width: 0; height: 0; border-radius: 0; background: none; border-style: solid; border-width: 7px 0 7px 11px; border-color: transparent transparent transparent #fff; }
.film__toggle.is-paused span::after { display: none; }

/* e-skin ---------------------------------------------------------------------------- */
.eskin { padding: var(--space) 0; background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 16%, var(--bg-soft) 84%, #fff 100%); }
.eskin__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.eskin__copy .body { margin-top: 24px; max-width: 30em; }
.family { margin: 34px 0 28px; border-top: 1px solid var(--line-2); }
.family li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line-2); color: var(--ink); font-size: 16.5px; }
.family .mono { color: var(--ink-4); font-size: 10.5px; }
.eskin__demo {
  position: relative; aspect-ratio: 5 / 4; overflow: hidden;
  border-radius: 26px;
  background: radial-gradient(120% 90% at 50% 30%, #0f1a2e 0%, #070b14 70%);
  box-shadow: 0 0 0 1px rgba(10, 20, 40, .08), 0 40px 90px -50px rgba(18, 40, 96, .55);
  cursor: crosshair; touch-action: pan-y; user-select: none; -webkit-user-select: none;
}
.eskin__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.corner { position: absolute; width: 16px; height: 16px; border: 0 solid #6fa8ff; opacity: .6; pointer-events: none; }
.corner--tl { top: 18px; left: 18px; border-top-width: 1.5px; border-left-width: 1.5px; }
.corner--tr { top: 18px; right: 18px; border-top-width: 1.5px; border-right-width: 1.5px; }
.corner--bl { bottom: 18px; left: 18px; border-bottom-width: 1.5px; border-left-width: 1.5px; }
.corner--br { bottom: 18px; right: 18px; border-bottom-width: 1.5px; border-right-width: 1.5px; }
.eskin__badge { position: absolute; top: 20px; left: 46px; display: inline-flex; align-items: center; gap: 8px; color: rgba(200, 214, 240, .75); font-size: 10.5px; pointer-events: none; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 178, 207, .18); }
.eskin__hint { position: absolute; top: 20px; right: 46px; color: rgba(200, 214, 240, .45); font-size: 10.5px; pointer-events: none; transition: opacity .6s; }
.eskin__demo.is-touched .eskin__hint { opacity: 0; }
.eskin__readout {
  position: absolute; left: 18px; right: 18px; bottom: 18px;
  display: grid; grid-template-columns: repeat(3, max-content) minmax(0, 1fr); gap: clamp(16px, 2.4vw, 34px); align-items: end;
  padding: 14px 18px; border-radius: 16px;
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(160, 185, 230, .14);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  pointer-events: none;
}
.eskin__readout .mono { display: block; color: rgba(200, 214, 240, .5); font-size: 10px; }
.eskin__readout b { display: block; margin-top: 6px; min-width: 5.2em; font: 500 19px/1.1 var(--font); letter-spacing: -.02em; color: #eef3ff; font-variant-numeric: tabular-nums; }
.eskin__spark { width: 100%; height: 38px; }

/* sections -------------------------------------------------------------------------- */
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 400px); gap: 32px; align-items: end; margin-bottom: clamp(36px, 6vh, 60px); }
.section-head .body { color: var(--ink-3); }

/* products -------------------------------------------------------------------------- */
.products { padding: var(--space) 0; }
.tabs { position: relative; display: inline-flex; gap: 2px; padding: 4px; margin-bottom: 28px; border-radius: 999px; background: var(--bg-soft); max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs button { position: relative; z-index: 1; height: 40px; padding: 0 20px; border-radius: 999px; font-size: 14.5px; color: var(--ink-3); white-space: nowrap; transition: color .3s; }
.tabs button[aria-selected="true"] { color: var(--ink); }
.tabs__ink { position: absolute; top: 4px; bottom: 4px; left: 0; width: 0; border-radius: 999px; background: #fff; box-shadow: 0 1px 2px rgba(10, 20, 40, .08), 0 6px 16px -6px rgba(10, 20, 40, .14); transition: transform .5s var(--ease), width .5s var(--ease); }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.grid[data-panel="hands"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid[data-panel="hands"] .card__media { aspect-ratio: 4 / 3; }
.grid.is-entering .card { animation: rise .7s var(--ease) both; animation-delay: calc(var(--i, 0) * 60ms); }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.card { display: flex; flex-direction: column; overflow: hidden; border-radius: var(--radius); background: var(--bg-soft); transition: background .35s var(--ease), box-shadow .35s var(--ease); }
.card:hover { background: #eef2f7; }
.card__media { display: grid; place-items: center; aspect-ratio: 1 / 1; padding: 9%; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; filter: brightness(1.045) contrast(1.02); transition: transform .9s var(--ease); }
.card__media--cover { padding: 0; }
.card__media--cover img { object-fit: cover; mix-blend-mode: normal; filter: none; }
.card__media--dark { background: #0c1322; }
.card:hover .card__media img { transform: scale(1.045); }
.card__body { position: relative; padding: 4px 22px 22px; }
.card__body h3 { font-size: 17px; letter-spacing: -.015em; }
.card__body p { margin-top: 3px; font-size: 14px; color: var(--ink-3); }
.card__cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 13.5px; font-weight: 500; color: var(--blue); opacity: 0; transform: translateY(4px); transition: opacity .35s var(--ease), transform .35s var(--ease); }
.card:hover .card__cta, .card:focus-visible .card__cta { opacity: 1; transform: none; }

/* platform -------------------------------------------------------------------------- */
.platform { padding: var(--space) 0; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.step__media { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 22px; border-radius: var(--radius); background: var(--bg-soft); }
.step__media--dark { background: #0c1322; }
.step__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.step:hover .step__media img { transform: scale(1.04); }
.step__n { color: var(--blue); }
.step h3 { margin: 10px 0 8px; font-size: 21px; letter-spacing: -.02em; }
.step p { max-width: 28em; font-size: 15.5px; color: var(--ink-3); }

.dual {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); align-items: center;
  margin-top: clamp(64px, 10vh, 104px); padding: clamp(28px, 4vw, 52px);
  border-radius: 28px; background: linear-gradient(120deg, #f3f6ff 0%, #eef5fb 100%); border: 1px solid #e2e9f6;
}
.dual__side .mono { color: var(--blue); }
.dual__side h3 { margin: 10px 0 8px; font-size: clamp(20px, 2vw, 26px); letter-spacing: -.025em; }
.dual__side p { max-width: 26em; font-size: 15.5px; color: var(--ink-3); }
.dual__side:nth-of-type(2) { text-align: right; justify-self: end; }
.dual__side:nth-of-type(2) p { margin-left: auto; }
.dual__core { position: relative; display: grid; place-items: center; width: 132px; height: 132px; border-radius: 50%; background: #fff; box-shadow: 0 20px 50px -24px rgba(18, 50, 130, .45); }
.dual__core::before, .dual__core::after { content: ""; position: absolute; inset: -14px; border-radius: 50%; border: 1px dashed rgba(31, 91, 242, .3); animation: spin 40s linear infinite; }
.dual__core::after { inset: -30px; border-style: solid; border-color: rgba(31, 91, 242, .1); animation: none; }
.dual__core img { width: 64px; height: 64px; }
@keyframes spin { to { transform: rotate(360deg); } }
.dual__foot { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid #dde6f5; text-align: center; color: var(--ink-3); font-size: 10.5px; }

.services { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); margin-top: clamp(56px, 9vh, 96px); }
.services li { padding-top: 18px; border-top: 1px solid var(--ink); }
.services h3 { font-size: 17px; letter-spacing: -.015em; }
.services p { margin-top: 8px; font-size: 14.5px; color: var(--ink-3); }

/* skills ---------------------------------------------------------------------------- */
.skills { padding: var(--space) 0; background: var(--bg-soft); }
.skill-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; overflow: hidden; border-radius: var(--radius); background: var(--line-2); border: 1px solid var(--line-2); }
.skill-grid li { padding: 20px 20px 26px; background: #fff; font-size: 16px; letter-spacing: -.01em; color: var(--ink); transition: background .3s var(--ease), color .3s var(--ease); }
.skill-grid li .mono { display: block; margin-bottom: 26px; color: var(--ink-4); font-size: 10.5px; transition: color .3s; }
.skill-grid li:hover { background: var(--blue); color: #fff; }
.skill-grid li:hover .mono { color: rgba(255, 255, 255, .7); }
.skill-grid li.is-key { background: #eef3ff; }
.skill-grid li.is-key .mono { color: var(--blue); }
.skill-grid li.is-key:hover { background: var(--blue); }
.skill-grid li.is-key:hover .mono { color: rgba(255, 255, 255, .8); }
.composite { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: clamp(56px, 8vh, 88px); }
.composite > .eyebrow { grid-column: 1 / -1; margin-bottom: 8px; }
.flow { padding: 24px 24px 26px; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.flow h3 { font-size: 18px; letter-spacing: -.02em; }
.flow ol { display: flex; flex-wrap: wrap; row-gap: 6px; margin-top: 14px; }
.flow li { font-size: 13.5px; color: var(--ink-2); }
.flow li + li::before { content: "→"; margin: 0 9px; color: var(--blue); }
.models { margin-top: clamp(56px, 8vh, 88px); }
.models ul { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.models li { padding: 10px 17px; border-radius: 999px; background: #fff; border: 1px solid var(--line-2); font-size: 14.5px; color: var(--ink-2); transition: border-color .3s, color .3s; }
.models li:hover { border-color: rgba(31, 91, 242, .5); color: var(--blue); }

/* company --------------------------------------------------------------------------- */
.company { padding: calc(var(--space) * 1.1) 0; }
.company__vision { max-width: 15em; margin: 26px 0 clamp(40px, 7vh, 72px); font-size: clamp(32px, 4.4vw, 66px); line-height: 1.04; letter-spacing: -.042em; font-weight: 520; color: var(--ink); }
.company__meta { display: grid; grid-template-columns: repeat(2, minmax(0, 380px)); gap: clamp(28px, 5vw, 64px); }
.company__meta .mono { color: var(--ink-4); }
.company__meta p { margin-top: 10px; font-size: 17px; color: var(--ink); }

/* contact --------------------------------------------------------------------------- */
.contact { padding: 0 var(--pad); }
.contact__inner {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: end;
  max-width: calc(var(--maxw) - 2 * var(--pad)); margin-inline: auto; padding: clamp(40px, 7vw, 100px);
  border-radius: 32px; color: #fff;
  background:
    radial-gradient(60% 90% at 88% 0%, rgba(0, 178, 207, .55) 0%, rgba(0, 178, 207, 0) 60%),
    linear-gradient(125deg, #062a64 0%, #0c3bd6 48%, #0a7ff0 78%, #0aa4d8 100%);
}
.contact__inner::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, .22) 1px, transparent 1.3px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(70% 90% at 85% 20%, #000, transparent 75%); mask-image: radial-gradient(70% 90% at 85% 20%, #000, transparent 75%);
}
.contact .h2 { max-width: 11.5em; color: #fff; }
.contact__copy > p:last-child { margin-top: 22px; max-width: 26em; font-size: 17.5px; color: rgba(255, 255, 255, .78); }
.contact__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
.contact__mail.is-ping { animation: mail-ping 1.1s var(--ease) .5s 2; }
@keyframes mail-ping { 0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, .75); } 100% { box-shadow: 0 0 0 18px rgba(255, 255, 255, 0); } }

/* footer ---------------------------------------------------------------------------- */
.footer { padding: clamp(64px, 10vh, 104px) 0 32px; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 2.6fr) repeat(2, minmax(0, 1fr)); gap: 32px; }
.footer__brand img { height: 25px; width: auto; }
.footer__brand p { max-width: 22em; margin-top: 18px; font-size: 14.5px; color: var(--ink-3); }
.footer nav { display: flex; flex-direction: column; gap: 10px; }
.footer nav .mono { margin-bottom: 6px; color: var(--ink-4); font-size: 10.5px; }
.footer nav a { width: fit-content; font-size: 14.5px; color: var(--ink-2); transition: color .2s; }
.footer nav a:hover { color: var(--blue); }
.footer__base { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: clamp(48px, 8vh, 80px); padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.social { display: flex; gap: 10px; margin-top: 26px; }
.social__link { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-2); color: var(--ink-2); transition: color .2s, background .2s, border-color .2s; }
.social__link svg { width: 18px; height: 18px; fill: currentColor; }
.social__link[href]:hover { color: #fff; background: var(--ink); border-color: var(--ink); }
.footer__base .mono { color: var(--ink-4); font-size: 10.5px; }

/* reveal ---------------------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* responsive ------------------------------------------------------------------------ */
@media (max-width: 1180px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .skill-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav__links > a, .drop__btn { padding: 8px 10px; }
}
@media (max-width: 980px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .hero { display: flex; flex-direction: column; height: auto; min-height: 100svh; max-height: none; }
  .hero__inner { height: auto; justify-content: flex-start; padding-top: calc(var(--nav-h) + clamp(24px, 5vh, 56px)); padding-bottom: 0; }
  .hero__media { position: relative; order: 1; flex: 1; width: 100%; min-height: 340px; }
  .hero__video { --hand-x: 42%; }
  .hero__toggle { bottom: 18px; }
  .statement__foot, .eskin__grid, .section-head { grid-template-columns: minmax(0, 1fr); }
  .eskin__demo { order: -1; }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .step__media { aspect-ratio: 16 / 9; }
  .composite { grid-template-columns: minmax(0, 1fr); }
  .dual { grid-template-columns: minmax(0, 1fr); text-align: left; }
  .dual__core { display: none; }
  .dual__side:nth-of-type(2) { text-align: left; justify-self: start; }
  .dual__side:nth-of-type(2) p { margin-left: 0; }
  .dual__foot { text-align: left; }
  .contact__inner { grid-template-columns: minmax(0, 1fr); }
  .contact__actions { justify-content: flex-start; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  :root { --nav-h: 64px; }
  .hero__title { margin-top: 18px; }
  .hero__ctas { margin-top: 24px; }
  .hero__ctas .btn { height: 48px; padding: 0 20px; font-size: 15px; }
  .grid, .grid[data-panel="hands"] { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .grid[data-panel="hands"] .card__media { aspect-ratio: 1 / 1; }
  .card__body { padding: 2px 14px 16px; }
  .card__body h3 { font-size: 15px; }
  .card__body p { font-size: 13px; }
  .card__cta { display: none; }
  .skill-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill-grid li { padding: 16px 16px 20px; font-size: 15px; }
  .skill-grid li .mono { margin-bottom: 16px; }
  .services { grid-template-columns: minmax(0, 1fr); }
  .company__meta { grid-template-columns: minmax(0, 1fr); }
  .film__frame { height: 78svh; min-height: 460px; }
  .film__ui { flex-direction: column; align-items: flex-start; }
  .film__bars button { width: 26px; }
  .eskin__demo { aspect-ratio: 4 / 5; }
  .eskin__readout { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 12px 14px; }
  .eskin__readout b { min-width: 0; font-size: 16px; }
  .eskin__spark { grid-column: 1 / -1; height: 30px; }
  .eskin__hint { display: none; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__base { flex-direction: column; align-items: flex-start; }
}
@media (hover: none) {
  .card__cta { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .statement__text .w { opacity: 1 !important; }
}