/* ==========================================================================
   AlphaLeap — base layer (Oct 2026 rebuild).
   Reset, type and controls on top of shared/ic-theme.css + shared/ic-nav.css.
   Palette is black / white / greys only. Gold lives in the logo bar alone.
   ========================================================================== */
:root {
  --f: "Geist", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --f-logo: "Poppins", "Geist", system-ui, sans-serif;
  --spring: cubic-bezier(.2, .9, .25, 1);
  --expo: cubic-bezier(.16, 1, .3, 1);
  --pad: clamp(20px, 4vw, 56px);
  /* card (white product surfaces) — identical in both themes */
  --ink: #0B0B0C;
  --ink-2: #2A2925;
  --ink-mute: #6B6A66;
  --ink-dim: #6B6964;        /* labels on white cards (≈5.4:1) */
  --card: #FFFFFF;
  --card-2: #F4F4F3;
  --card-3: #EDEDEA;
  --card-line: #E6E5E1;
  /* type roles — reading text matches the homepage (3 Oct typography pass); display sizes untouched */
  --t-hero: clamp(17px, calc(0.625vw + 10px), 22px);   /* hero sub: 17 phone · 18 @1280 · 22 @1920 */
  --t-read: 17px;            /* explanatory paragraphs and product bullets */
  --t-read-lh: 1.6;
  --t-intro: clamp(17px, calc(0.31vw + 14px), 19px);    /* section intros */
  --t-support: 15.5px;       /* benefits, secondary lines */
  --t-label: 14px;           /* labels the visitor needs to understand */
  --t-micro: 13px;           /* short markers, dates, legends */
  --c-ink-2: #55534E;        /* body on white cards (≈7.3:1) */
  --c-ink-3: #6B6964;        /* labels on white cards (≈5.4:1) */
}
@media (min-width: 1600px) { :root { --t-read: 18px; } }
:root, [data-theme="dark"] {
  --canvas: #000000;
  --canvas-2: #0B0B0D;
  --fg-rgb: 255 255 255;
  --on: 255,255,255;
  --card-shadow: 0 -24px 80px rgba(0,0,0,.55);
  --tile-shadow: none;
  --mute: rgba(236,236,234,.72);
  --dim: rgba(236,236,234,.58);
}
[data-theme="light"] {
  --canvas: #F3F2EF;
  --canvas-2: #ECEBE7;
  --fg-rgb: 14 12 10;
  --on: 14,12,10;
  --card-shadow: 0 0 0 1px rgba(14,12,10,.06), 0 30px 70px -30px rgba(40,38,34,.35);
  --tile-shadow: 0 0 0 1px rgba(14,12,10,.06), 0 18px 40px -26px rgba(40,38,34,.3);
  --mute: rgba(14,12,10,.72);
  --dim: rgba(14,12,10,.6);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--canvas); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { font-family: var(--f); background: var(--canvas); color: var(--text); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: clip; transition: background-color .5s ease, color .5s ease; }
img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; background: var(--text); color: var(--bg); padding: 10px 14px; }
.skip:focus { top: 12px; }
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 var(--pad); }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* type */
.metal { background: var(--metal); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.h2 { font-size: clamp(38px, 5vw, 76px); line-height: 1; letter-spacing: -.048em; font-weight: 400; text-wrap: balance; }
.chip { display: inline-flex; align-items: center; gap: 8px; width: fit-content; min-height: 28px; padding: 5px 11px; line-height: 1.3; border: 1px solid var(--line-2); background: rgb(var(--fg-rgb) / .035); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: rgb(var(--fg-rgb) / .8); }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: rgb(var(--fg-rgb) / .9); box-shadow: 0 0 0 3px rgb(var(--fg-rgb) / .12); }
.lede { font-size: var(--t-intro); line-height: 1.6; color: var(--mute); max-width: 54ch; }
.lede a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgb(var(--fg-rgb) / .35); }
.fine { font-size: var(--t-micro); line-height: 1.6; color: var(--dim); }
.fine a { color: var(--mute); text-decoration: underline; text-underline-offset: 2px; }

/* buttons — square on the canvas (as on the homepage), pill on white cards */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 50px; padding: 0 26px; font-size: 15.5px; font-weight: 500; border-radius: 2px; white-space: nowrap; transition: background .25s, color .25s, border-color .25s, box-shadow .25s; }
.btn:active { transform: scale(.97); transition: transform .1s; }
.btn--light { background: var(--btn-bg); color: var(--btn-fg); box-shadow: 0 10px 30px -12px rgb(var(--fg-rgb) / .25); }
.btn--light:hover { box-shadow: 0 14px 40px -12px rgb(var(--fg-rgb) / .4); }
.btn--line { border: 1px solid rgb(var(--fg-rgb) / .24); color: var(--text); }
.btn--line:hover { border-color: rgb(var(--fg-rgb) / .6); background: rgb(var(--fg-rgb) / .05); }
.btn--dark { background: var(--ink); color: #fff; border-radius: 999px; }
.btn--dark:hover { background: #2A2A2C; }
.btn--sm { height: 42px; padding: 0 18px; font-size: 15px; }

/* logo hairline: gold bar only, per brand */
.gnav .ic-logo__bar { background: var(--gold); }