/* Lexio Robotics — landing page styles
   Brand palette from the visual identity (Sept. 2026). */

@font-face {
  font-family: "Figtree";
  src: url("/assets/fonts/figtree-var.woff2") format("woff2");
  font-weight: 300 900;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-var.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  color-scheme: light dark; /* light theme by default, own dark theme below */
  --navy-900: #001440;
  --navy: #002060;
  --brand: #002A80;
  --blue: #1A3C8A;
  --periwinkle: #818FC2;
  --yellow: #FECC16;
  --gold: #AE9734;

  --ink: #0B1533;
  --ink-soft: #46506b;
  --line: #dde3f0;
  --tint: #f4f6fb;
  --white: #ffffff;

  /* roles: these are what the dark theme redefines */
  --bg: #ffffff;           /* page */
  --surface: #ffffff;      /* cards, panels on tinted sections */
  --surface-2: #f8f9fe;    /* subtle highlight */
  --heading: var(--navy);  /* titles, diagram strokes */
  --panel: var(--navy);    /* dark blocks inside light sections */
  --core-bg: #fff8d9;      /* highlighted step */

  --font: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 14px;
  --container: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-y: clamp(64px, 9vw, 120px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; overflow-x: clip; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: var(--brand); }
h1, h2, h3, h4 { line-height: 1.15; margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--yellow); color: var(--navy); padding: 8px 14px; z-index: 100; border-radius: 6px; }
.skip-link:focus { left: 8px; }
.mono { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }

:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; border-radius: 4px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 1rem/1 var(--font);
  padding: 15px 24px; border-radius: 999px; text-decoration: none;
  border: 2px solid transparent; transition: transform .15s ease, background-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-yellow { background: var(--yellow); color: var(--navy); }
.btn-yellow:hover { background: #ffd84a; }
.btn-ghost { color: var(--white); border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { border-color: var(--white); }
.btn-outline { color: var(--brand); border-color: var(--brand); margin-top: 24px; }
.btn-outline:hover { background: var(--brand); color: var(--white); }
.btn-small { padding: 10px 18px; font-size: .92rem; }
.btn-large { padding: 18px 30px; font-size: 1.1rem; }

/* Eyebrows & titles */
.eyebrow {
  font-family: var(--mono); font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 14px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 3px; background: var(--yellow); border-radius: 2px; }
.eyebrow-light { color: #c9d4f2; }
.section-title { font-size: clamp(1.9rem, 3.6vw, 2.8rem); font-weight: 700; color: var(--heading); max-width: 22ch; }
.section-intro { margin-top: 16px; font-size: 1.15rem; color: var(--ink-soft); max-width: 60ch; }
.section-intro.wide { max-width: 72ch; }
.body-lg { font-size: 1.12rem; color: var(--ink-soft); }
.body-lg strong { color: var(--ink); }
.note { margin-top: 18px; font-size: .95rem; color: var(--ink-soft); }

.section { padding: var(--section-y) 0; }
.section-tint { background: var(--tint); }
.section-navy { background: var(--navy); color: var(--white); }
.section-navy .section-title { color: var(--white); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 32, 96, .92); backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow .2s ease;
}
.site-header.scrolled { box-shadow: 0 6px 24px rgba(0, 20, 64, .25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; }
.brand img { width: 190px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.site-nav a:not(.btn) { color: #dbe3f7; text-decoration: none; font-weight: 500; font-size: .97rem; }
.site-nav a:not(.btn):hover { color: var(--white); }
.nav-toggle { display: none; }
.language-switch { position: relative; flex-shrink: 0; }
.language-trigger {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 40px; padding: 7px 10px; border: 1px solid var(--gold); border-radius: 999px;
  color: var(--white); background: rgba(174, 151, 52, .06); cursor: pointer; list-style: none;
  font-family: var(--mono); font-size: .8rem; font-weight: 500;
  transition: background .2s ease, border-color .2s ease;
}
.language-trigger::-webkit-details-marker { display: none; }
.language-trigger:hover, .language-switch[open] .language-trigger { border-color: var(--yellow); background: rgba(254, 204, 22, .1); }
.language-flag { width: 24px; height: 16px; object-fit: fill; border-radius: 3px; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(255,255,255,.14); }
.language-chevron { width: 10px; height: 10px; fill: none; stroke: var(--yellow); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s ease; }
.language-switch[open] .language-chevron { transform: rotate(180deg); }
.language-options {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 2;
  min-width: 176px; padding: 6px; border: 1px solid var(--gold); border-radius: 16px;
  background: var(--navy-900); box-shadow: 0 12px 32px rgba(0, 12, 40, .3);
}
.language-options a { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 10px; border-radius: 10px; color: #dbe3f7; font-size: .9rem; font-weight: 500; text-decoration: none; white-space: nowrap; }
.language-options a:hover, .language-options a:focus-visible { color: var(--white); background: rgba(255,255,255,.08); }
.language-options a[aria-current="page"] { color: var(--yellow); background: rgba(254,204,22,.08); }
.language-options a[aria-current="page"]::after { content: "✓"; margin-left: auto; font-size: .85rem; }

@media (max-width: 1100px) {
  .header-inner { gap: 12px; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; background: none; border: 0; cursor: pointer;
    order: 3; flex-shrink: 0;
  }
  .language-switch { margin-left: auto; }
  .nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
    display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; position: relative; transition: transform .2s ease, background .2s ease;
  }
  .nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
  .nav-toggle-bar::before { top: -7px; }
  .nav-toggle-bar::after { top: 7px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy); padding: 8px var(--gutter) 20px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .site-nav .btn { margin-top: 16px; }
  .brand img { width: 160px; }
}
@media (max-width: 380px) {
  .site-header .brand img { width: 128px; }
}

/* Hero */
.hero {
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(26, 70, 184, .55), transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-900) 100%);
  color: var(--white);
  padding: clamp(56px, 8vw, 110px) 0 clamp(64px, 9vw, 120px);
  position: relative; overflow: hidden;
}
.hero::after { /* subtle grid, echoing simulation space */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 5vw, 64px); align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.9rem); font-weight: 800; letter-spacing: -0.025em; }
.hero h1 .hl { color: var(--yellow); }
.hero .lead { margin-top: 22px; font-size: clamp(1.08rem, 1.5vw, 1.22rem); color: #d3dcf3; max-width: 46ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-media { margin: 0; }
.sim-window {
  border-radius: var(--radius); overflow: hidden; background: #0d1a3d;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 30px 80px rgba(0, 8, 32, .55);
}
.sim-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: rgba(255,255,255,.06); border-bottom: 1px solid rgba(255,255,255,.08); }
.sim-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.22); }
.sim-bar .dot:first-child { background: var(--yellow); }
.sim-bar-label { margin-left: 10px; font-family: var(--mono); font-size: .7rem; letter-spacing: .06em; color: #9fb0dc; text-transform: lowercase; }
.hero-video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #c9c9c4; }
.hero-media figcaption { margin-top: 12px; font-size: .9rem; color: #aebbe0; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.hero-media figcaption .mono { color: var(--yellow); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* Hero chapter tabs, synced with the montage */
.chapters { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.chapters button {
  width: 100%; text-align: left; background: none; border: 0; padding: 0; cursor: pointer; color: inherit; font: inherit;
  opacity: .62; transition: opacity .2s ease;
}
.chapters button:hover, .chapters .active button { opacity: 1; }
.ch-bar { display: block; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .2); overflow: hidden; margin-bottom: 10px; }
.ch-bar i { display: block; height: 100%; width: calc(var(--p, 0) * 100%); background: var(--yellow); }
.ch-sector { display: block; color: var(--yellow); font-size: .62rem; }
.ch-title { display: block; margin-top: 4px; font-weight: 600; font-size: .95rem; line-height: 1.3; }

/* Hero: full-bleed video */
.hero-full {
  position: relative; overflow: hidden; color: var(--white); background: var(--navy-900);
  min-height: min(calc(100vh - 68px), 860px); display: flex; align-items: flex-end;
  padding: clamp(120px, 18vw, 220px) 0 clamp(40px, 6vw, 72px);
}
.hero-full .bg-video { position: absolute; top: 0; right: 0; width: 72%; height: 100%; object-fit: cover; object-position: 50% 50%; }
.hero-full::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(0, 20, 64, 1) 0%, rgba(0, 20, 64, .97) 46%, rgba(0, 20, 64, .75) 56%, rgba(0, 20, 64, .25) 70%, rgba(0, 20, 64, 0) 84%),
    linear-gradient(0deg, rgba(0, 20, 64, .92) 0%, transparent 40%);
}
.hero-full .container { position: relative; z-index: 2; width: 100%; }
.hero-full h1 { font-size: clamp(2.3rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.025em; max-width: 18ch; }
.hero-full h1 .hl { color: var(--yellow); }
.hero-full .lead { margin-top: 22px; font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: #d3dcf3; max-width: 44ch; }
.hero-full-foot { margin: clamp(40px, 6vw, 72px) 0 0 auto; max-width: 560px; }
@media (max-width: 900px) {
  .hero-full::before { background: linear-gradient(0deg, rgba(0, 20, 64, .97) 0%, rgba(0, 20, 64, .92) 60%, rgba(0, 20, 64, .45) 100%); }
  .hero-full-foot { margin-left: 0; }
  .hero-full .bg-video { width: 100%; }
}

/* Approach / compare */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 32px; }
.compare { margin-top: 48px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.compare-row { display: grid; grid-template-columns: 1fr 1.4fr 1.4fr; }
.compare-row > span { padding: 16px 20px; border-top: 1px solid var(--line); }
.compare-row:first-child > span { border-top: 0; }
.compare-head > span { font-weight: 700; font-size: .95rem; color: var(--ink-soft); background: var(--tint); }
.compare-head .lexio-col { background: var(--panel); color: var(--white); }
.compare-row [role="rowheader"] { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); display: flex; align-items: center; }
.compare-row [role="cell"] { color: var(--ink-soft); }
.compare-row .lexio-col[role="cell"] { color: var(--heading); font-weight: 600; background: var(--surface-2); border-left: 3px solid var(--yellow); }

@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; gap: 18px; }
  .compare-row { grid-template-columns: 1fr 1fr; }
  .compare-row [role="rowheader"] { grid-column: 1 / -1; padding-bottom: 0; border-top: 1px solid var(--line); }
  .compare-row [role="cell"] { border-top: 0; }
  .compare-head > span:first-child { display: none; }
}

/* Approach: heading beside a compact table */
.ap-compact { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
/* typographic comparison, deliberately unlike the boxed diagram below */
.versus .compare-row { display: grid; grid-template-columns: .9fr 1.1fr 1.2fr; align-items: baseline; border-top: 1px solid var(--line); }
.versus .compare-row:first-child { border-top: 0; }
.versus .compare-row > span { padding: 16px 12px 16px 0; border-top: 0; background: none; }
.versus .compare-head > span, .versus .compare-row .lexio-col, .versus .compare-row .lexio-col[role="cell"] { background: none; }
.versus .compare-head > span { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); padding-bottom: 12px; }
.versus .compare-head .lexio-col { color: var(--heading); font-weight: 700; }
.versus [role="rowheader"] { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.versus [role="cell"] { color: var(--ink-soft); font-size: 1.05rem; }
.versus .lexio-col[role="cell"] { color: var(--heading); font-weight: 700; font-size: 1.15rem; padding-left: 16px; border-left: 3px solid var(--yellow); }
.versus .compare-head .lexio-col { padding-left: 19px; }
@media (max-width: 900px) { .ap-compact { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .versus .compare-row { grid-template-columns: 1fr 1fr; } .versus [role="rowheader"] { grid-column: 1 / -1; padding-bottom: 0; } .versus .compare-head > span:first-child { display: none; } }

/* Pipeline */
.pipeline {
  margin-top: 48px;
  display: grid; grid-template-columns: 1fr 28px 1.5fr 28px 1fr; gap: 14px; align-items: stretch;
}
.pipe-col { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.pipe-label { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.dot-yellow { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); display: inline-block; }
.pipe-arrow { align-self: center; height: 2px; background: var(--blue); position: relative; }
.pipe-arrow::after { content: ""; position: absolute; right: -2px; top: -5px; border: 6px solid transparent; border-left: 8px solid var(--blue); border-right: 0; }

.pipe-inputs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pipe-inputs li { display: flex; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; }
.pipe-inputs svg { width: 26px; height: 26px; flex: none; fill: none; stroke: var(--heading); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.pipe-inputs strong { display: block; color: var(--heading); font-size: .97rem; }
.pipe-inputs span { display: block; font-size: .83rem; color: var(--ink-soft); }

.pipe-engine { border: 2px solid var(--heading); display: flex; flex-direction: column; }
.engine-orch { background: var(--panel); color: var(--white); font-weight: 600; border-radius: 10px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; }
.engine-orch svg { width: 26px; height: 26px; flex: none; fill: none; stroke: var(--yellow); stroke-width: 1.6; }
.engine-modules { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 14px 0 18px; }
.modules-label { color: var(--ink-soft); font-size: .6rem; margin-right: 4px; }
.chip { font-size: .76rem; padding: 3px 8px; white-space: nowrap; border-radius: 999px; border: 1.5px solid var(--heading); color: var(--heading); }
.chip-dashed { border-style: dashed; border-color: var(--periwinkle); color: var(--blue); }
.engine-loop { display: grid; grid-template-columns: 1fr 18px 1fr 18px 1fr; align-items: stretch; }
.loop-step { border: 1px solid var(--line); border-radius: 10px; padding: 12px 10px; font-weight: 600; font-size: .88rem; line-height: 1.25; color: var(--heading); display: flex; flex-direction: column; gap: 10px; }
.loop-step svg { width: 22px; height: 22px; fill: none; stroke: var(--heading); stroke-width: 1.6; stroke-linejoin: round; }
.loop-core { background: var(--core-bg); border: 2px solid var(--yellow); }
.loop-core svg { stroke: var(--gold); }
.loop-arrow { align-self: center; height: 1.5px; background: var(--heading); position: relative; margin: 0 3px; }
.loop-arrow::after { content: ""; position: absolute; right: -1px; top: -4px; border: 4.5px solid transparent; border-left: 6px solid var(--heading); border-right: 0; }
.loop-feedback { /* evaluation back to search */
  grid-column: 3 / 6; height: 18px; margin: 0 calc((100% - 18px) / 4); position: relative;
  border: 1.5px solid var(--gold); border-top: 0; border-radius: 0 0 6px 6px;
}
.loop-feedback::before { content: ""; position: absolute; left: -5.5px; top: -2px; border: 4.5px solid transparent; border-bottom: 6px solid var(--gold); border-top: 0; }
.loop-feedback span { position: absolute; left: 50%; top: 100%; transform: translateX(-50%); padding-top: 4px; font-size: .78rem; font-weight: 600; color: var(--gold); white-space: nowrap; }
.pipe-foot { margin-top: auto; padding-top: 34px; color: var(--gold); }
.pipe-return { /* skill library: dashed loop from the real robot back into the engine */
  grid-column: 3 / 6; height: 34px; position: relative;
  margin: -14px calc((100% - 56px) * .2) 22px calc((100% - 56px) * .15);
  border: 1.5px dashed var(--blue); border-top: 0; border-radius: 0 0 10px 10px;
}
.pipe-return::before { content: ""; position: absolute; left: -6px; top: -4px; border: 5px solid transparent; border-bottom: 7px solid var(--blue); border-top: 0; }
.library-pill {
  position: absolute; left: 50%; bottom: 0; transform: translate(-50%, 50%); white-space: nowrap;
  display: flex; align-items: center; gap: 10px; padding: 7px 16px; border-radius: 999px;
  background: var(--surface); border: 1.5px solid var(--heading); font-size: .85rem; color: var(--ink-soft);
}
.library-pill svg { width: 18px; height: 18px; fill: none; stroke: var(--heading); stroke-width: 1.8; stroke-linecap: round; }
.library-pill strong { color: var(--heading); }
.section-title.one-line { max-width: none; }

.pipe-outputs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: out; }
.pipe-outputs li { padding: 14px; border: 1px solid var(--line); border-radius: 10px; font-weight: 600; color: var(--heading); font-size: .95rem; position: relative; }
.pipe-outputs li + li::before { content: "↓"; position: absolute; top: -17px; left: 50%; transform: translateX(-50%); color: var(--blue); font-size: .9rem; }
.pipe-outputs .out-robot { background: var(--panel); color: var(--white); border-color: var(--panel); }
.pipe-outputs .out-robot .mono { display: block; color: var(--yellow); margin-top: 6px; font-weight: 500; }

.library { margin-top: 18px; text-align: center; color: var(--ink-soft); }
.library strong { color: var(--heading); }

@media (max-width: 980px) {
  .pipeline { grid-template-columns: 1fr; }
  .pipe-arrow { width: 2px; height: 22px; justify-self: center; }
  .pipe-arrow::after { right: -5px; top: auto; bottom: -4px; border: 6px solid transparent; border-top: 8px solid var(--blue); border-bottom: 0; }
  .pipe-inputs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .pipe-return { grid-column: 1; margin: 6px 0 0; height: auto; border: 0; display: flex; justify-content: center; }
  .pipe-return::before { display: none; }
  .library-pill { position: static; transform: none; white-space: normal; flex-wrap: wrap; justify-content: center; }
}
@media (max-width: 520px) {
  .pipe-inputs { grid-template-columns: 1fr; }
  .engine-loop { grid-template-columns: 1fr; gap: 0; }
  .loop-arrow { width: 1.5px; height: 14px; justify-self: center; }
  .loop-arrow::after { display: none; }
  .loop-feedback { display: none; }
}

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.feature { padding: 24px; background: var(--surface); border-radius: var(--radius); border-top: 3px solid var(--yellow); }
.feature h3 { font-size: 1.2rem; color: var(--heading); margin-bottom: 8px; }
.feature p { color: var(--ink-soft); font-size: .98rem; }
@media (max-width: 860px) { .features { grid-template-columns: 1fr; } }

/* Validated */
.validated-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.validated-grid .body-lg { margin-top: 18px; }
.spec { margin: 0; border-top: 1px solid var(--line); }
.spec > div { display: grid; grid-template-columns: 130px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.spec dt { font-family: var(--mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); padding-top: 3px; }
.spec dd { margin: 0; color: var(--ink); }
@media (max-width: 860px) {
  .validated-grid { grid-template-columns: 1fr; }
  .spec > div { grid-template-columns: 1fr; gap: 4px; }
}

/* Offers */
.offers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
.offer { /* front and details share one grid cell, so the card fits the taller of the two */
  display: grid; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  position: relative; overflow: hidden; cursor: default;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .25s ease;
}
.offer-front, .offer-details { grid-area: 1 / 1; position: relative; z-index: 1; padding: clamp(24px, 3vw, 36px); transition: opacity .25s ease; }
/* Line illustration behind the front face, faint like the Europe dial: drawn larger than the card and cropped by it;
   it fades out on hover so the details sit on a plain background */
.offer-art {
  position: absolute; right: -14%; bottom: -12%; width: 130%; height: auto; pointer-events: none;
  color: var(--heading); transition: opacity .25s ease;
}
.offer-art .art-faint { opacity: .03; }
.offer-art .art-line { opacity: .04; }
.offer-art .art-accent { fill: var(--gold); opacity: .08; }
.offer-art .art-accent-stroke { stroke: var(--gold); opacity: .08; }
.offer:hover .offer-art, .offer:focus .offer-art, .offer:focus-within .offer-art { opacity: 0; }
.offer-front { display: flex; flex-direction: column; }
.offer-num { font-family: var(--mono); font-weight: 700; color: var(--gold); font-size: .95rem; }
.offer h3 { font-size: clamp(1.5rem, 2.4vw, 1.9rem); color: var(--heading); margin-top: 10px; }
.offer-lead { margin-top: 12px; font-size: 1.12rem; color: var(--ink-soft); max-width: 36ch; }
/* Looks like a button so it reads as "there is more here"; hover, focus or tap reveals the details */
.offer-more {
  margin-top: auto; align-self: flex-start; display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 7px 7px 18px; border: 1.5px solid var(--heading); border-radius: 999px;
  color: var(--heading); font-weight: 600; font-size: .95rem; line-height: 1;
}
.offers .offer-lead { margin-bottom: 28px; }
.offer-more-icon {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: var(--yellow); color: var(--navy); font-size: 1.15rem; font-weight: 700;
}
.offer-details { color: #d3dcf3; opacity: 0; pointer-events: none; }
.offer-details .offer-num { font-size: .8rem; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { padding-left: 28px; position: relative; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--navy) center / 16px no-repeat;
}
.offer-details .checks { margin-top: 16px; }
.offer-details .checks li { color: #d3dcf3; }
.offer-details .checks li strong { color: var(--white); }
.offer-details .checks li::before { background-color: var(--yellow); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2 7 10.5l4.5-5' fill='none' stroke='%23002060' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.offer-pitch { margin-top: 16px; font-size: 1.15rem; color: var(--white); max-width: 34ch; }
.offer-cta { margin-top: 24px; align-self: flex-start; }
.offer-details { display: flex; flex-direction: column; }
.offer:hover, .offer:focus-within { border-color: var(--heading); box-shadow: 0 12px 30px rgba(0, 20, 64, .15); }
.offer:hover, .offer:focus, .offer:focus-within { background: var(--panel); } /* the card turns dark under the details */
.offer:hover .offer-details, .offer:focus .offer-details, .offer:focus-within .offer-details { opacity: 1; pointer-events: auto; }
.offer:hover .offer-front, .offer:focus .offer-front, .offer:focus-within .offer-front { opacity: 0; pointer-events: none; } /* opacity < 1 stacks the hidden front above the details: let clicks through to the CTA */
.offer:focus-visible { outline-offset: 3px; }
@media (max-width: 860px) { .offers { grid-template-columns: 1fr; } }

/* Use cases */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.case { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s ease, transform .2s ease; }
.case:hover { border-color: var(--periwinkle); transform: translateY(-2px); }
.case-sector { color: var(--gold); }
.case h3 { font-size: 1.2rem; color: var(--heading); margin: 8px 0 8px; }
.case p:last-child { color: var(--ink-soft); font-size: .97rem; }
.case.has-media { overflow: hidden; }
.case-media {
  position: relative; display: block; width: calc(100% + 48px); margin: -24px -24px 20px; padding: 0; border: 0;
  background: #c9c9c4; cursor: pointer; border-bottom: 1px solid var(--line);
}
.case-loop { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.case-play {
  position: absolute; right: 12px; bottom: 12px; width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow); display: grid; place-items: center; box-shadow: 0 4px 14px rgba(0, 20, 64, .3);
  transition: transform .2s ease;
}
.case-play svg { width: 18px; height: 18px; fill: var(--navy); margin-left: 2px; }
.case-media:hover .case-play, .case-media:focus-visible .case-play { transform: scale(1.1); }
.case-media:focus-visible { outline-offset: -3px; }
@media (max-width: 900px) { .cases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .cases { grid-template-columns: 1fr; } }


/* Europe */
.section-navy#europe {
  position: relative; overflow: hidden;
  background:
    radial-gradient(700px 500px at 78% 50%, rgba(26, 70, 184, .55), transparent 70%),
    var(--navy);
  padding: var(--section-y) 0;
}
.europe-bg { position: absolute; inset: 0; pointer-events: none; }
.astro {
  position: absolute; top: 50%; left: 78%; transform: translate(-50%, -50%);
  width: clamp(420px, 40vw, 580px); height: auto;
}
.astro-dial, .astro-stars, .astro-trails, .astro-hub { opacity: .3; }
.astro-lead { opacity: .95; }
#europe .container { position: relative; z-index: 1; }
.europe-text + .europe-text { margin-top: 14px; }
.europe-text { margin-top: 24px; color: #d3dcf3; font-size: 1.15rem; line-height: 1.6; max-width: 46ch; }
.europe-grid { display: grid; grid-template-columns: minmax(0, 540px); }
@media (max-width: 860px) {
  .astro { left: 50%; top: 62%; width: 480px; }
  .astro-dial, .astro-stars, .astro-trails, .astro-hub { opacity: .18; }
  .astro-lead { opacity: .5; }
}

/* Team */
.founders { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 44px; }
.founder { display: grid; grid-template-columns: 112px 1fr; gap: 22px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); align-items: start; }
.founder img { width: 112px; height: 112px; border-radius: 14px; object-fit: cover; border: 2px solid var(--heading); }
.founder-role { color: var(--gold); }
.founder h3 { font-size: 1.35rem; color: var(--heading); margin: 4px 0 10px; }
.founder p:last-child { color: var(--ink-soft); font-size: .98rem; }
@media (max-width: 860px) { .founders { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .founder { grid-template-columns: 1fr; } }

/* Support & award */
/* Our story: founders, news carousel, backers */
#team .founders { margin-top: 40px; }
#team .founder { background: var(--surface); }

.news { margin-top: 56px; background: var(--panel); color: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 60px rgba(0, 20, 64, .18); }
.news-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px 14px 24px; }
.news-title { color: var(--white); display: flex; align-items: center; gap: 10px; }
.news-nav { display: flex; align-items: center; gap: 8px; }
.news-count { color: #9fb0dc; margin-right: 8px; }
.news-nav button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .25); background: transparent; color: var(--white); font-size: 1rem; cursor: pointer; }
.news-nav button:hover { border-color: var(--yellow); color: var(--yellow); }
.news-dots { display: flex; gap: 6px; margin-right: 6px; }
.news-dots button { width: 8px; height: 8px; padding: 0; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .3); cursor: pointer; transition: width .3s ease, background .3s ease; }
.news-dots button[aria-current="true"] { width: 22px; border-radius: 4px; background: var(--yellow); }
.news-viewport { overflow: hidden; }
.news-track { display: flex; transition: transform .45s cubic-bezier(.4, 0, .2, 1); }
.news-slide { flex: 0 0 100%; display: grid; grid-template-columns: 1.1fr 1fr; }
.news-slide img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }
.news-text { padding: clamp(24px, 3.5vw, 48px); align-self: center; }
.news-meta { color: var(--yellow); }
.news-text h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); color: var(--white); margin-top: 12px; line-height: 1.2; }
.news-text p { color: #d3dcf3; margin-top: 12px; }
.news-text .credit { font-size: .78rem; margin-top: 18px; color: #8f9fcc; }
@media (max-width: 860px) { .news-slide { grid-template-columns: 1fr; align-content: start; } .news-slide img { height: auto; min-height: 0; aspect-ratio: 3 / 2; } }
@media (prefers-reduced-motion: reduce) { .news-track { transition: none; } }

.backers { margin-top: 72px; }
.backers-title { font-size: clamp(1.6rem, 2.8vw, 2.1rem); color: var(--heading); line-height: 1.1; }
.backer-wall { margin-top: 20px; background: var(--surface); border-radius: var(--radius); display: grid; grid-template-columns: 2fr 2fr 3fr; border: 1px solid var(--line); }
.backer-group { border-left: 1px solid var(--line); }
.backer-group:first-child { border-left: 0; }
.backer-group-label { padding: 14px 20px 0; color: var(--blue); font-size: .62rem; }
.backer-group ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(var(--n), 1fr); }
.backer { position: relative; height: 130px; display: flex; align-items: center; justify-content: center; padding: 12px 16px; cursor: default; transition: background .2s ease; }
.backer + .backer::before { content: ""; position: absolute; left: 0; top: 28%; bottom: 28%; width: 1px; background: var(--line); }
.backer img { max-height: calc(var(--h, 64px) * .78); max-width: 86%; width: auto; height: auto; object-fit: contain; transition: transform .2s ease; }
.backer:hover, .backer:focus-visible { background: var(--surface-2); }
.backer:hover img, .backer:focus-visible img { transform: scale(1.06); }
.backer:focus-visible { outline-offset: -3px; }
/* description bubble above the hovered logo */
.backer-desc {
  position: absolute; bottom: calc(100% - 14px); left: 50%; z-index: 5; width: 280px; transform: translate(-50%, 6px);
  padding: 14px 16px; border-radius: 12px; background: var(--panel); color: #d3dcf3; font-size: .85rem; line-height: 1.45; text-align: left;
  box-shadow: 0 14px 34px rgba(0, 20, 64, .25); opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.backer-desc::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -7px; border: 7px solid transparent; border-top-color: var(--panel); }
.backer-desc strong { display: block; color: var(--yellow); margin-bottom: 4px; }
.backer:hover .backer-desc, .backer:focus-visible .backer-desc { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
/* keep the bubble inside the wall at both ends */
.backer-group:first-child .backer:first-child .backer-desc { left: 0; transform: translate(0, 6px); }
.backer-group:first-child .backer:first-child:hover .backer-desc, .backer-group:first-child .backer:first-child:focus-visible .backer-desc { transform: none; }
.backer-group:first-child .backer:first-child .backer-desc::after { left: 40px; }
.backer-group:last-child .backer:last-child .backer-desc { left: auto; right: 0; transform: translate(0, 6px); }
.backer-group:last-child .backer:last-child:hover .backer-desc, .backer-group:last-child .backer:last-child:focus-visible .backer-desc { transform: none; }
.backer-group:last-child .backer:last-child .backer-desc::after { left: auto; right: 33px; }
@media (max-width: 980px) {
      .backer-wall { grid-template-columns: 1fr; }
  .backer-group { border-left: 0; border-top: 1px solid var(--line); }
  .backer-group:first-child { border-top: 0; }
}
/* With a mouse, a click must not pin the tooltip (it would stay open next to the hovered one): show it on hover
   and keyboard focus only. On touch screens there is no hover, so a tap (focus) opens it. */
@media (hover: none) {
  .backer:focus { background: var(--surface-2); }
  .backer:focus .backer-desc { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
  .backer-group:first-child .backer:first-child:focus .backer-desc,
  .backer-group:last-child .backer:last-child:focus .backer-desc { transform: none; }
}
@media (max-width: 520px) { .backer { height: 110px; } .backer-group:last-child ul { grid-template-columns: repeat(3, 1fr); } }



/* Careers */
.careers { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(28px, 6vw, 80px); align-items: start; }
@media (max-width: 860px) { .careers { grid-template-columns: 1fr; } }

/* Contact */
.contact { text-align: center;
  background:
    radial-gradient(900px 500px at 50% 0%, rgba(26, 70, 184, .6), transparent 70%),
    var(--navy);
}
.contact-inner { display: flex; flex-direction: column; align-items: center; }
.contact .eyebrow { justify-content: center; }
.contact-title { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; max-width: 24ch; }
.contact-title span { display: block; margin: 12px auto 32px; font-size: clamp(1.15rem, 2vw, 1.5rem); font-weight: 500; color: #d3dcf3; }
.contact-sub { margin-top: 18px; color: #aebbe0; font-size: .95rem; }
.contact .btn-large { word-break: break-all; }

/* Footer */
.site-footer { background: var(--navy-900); color: #aebbe0; padding: 48px 0; font-size: .93rem; }
.footer-inner { display: grid; grid-template-columns: auto 1fr 1fr; gap: 32px 48px; align-items: start; }
.footer-brand { align-self: stretch; display: flex; align-items: center; padding-right: 32px; border-right: 1px solid rgba(255, 255, 255, .55); }
.footer-brand img { width: 190px; height: auto; }
.site-footer address { font-style: normal; line-height: 1.7; }
.site-footer a { color: #dbe3f7; text-decoration: none; }
.site-footer a:hover { color: var(--yellow); }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.copyright { margin-top: 8px; color: #7d8bb5; }
@media (max-width: 760px) { .footer-inner { grid-template-columns: 1fr; } .footer-brand { border-right: 0; padding: 0 0 24px; border-bottom: 1px solid rgba(255, 255, 255, .55); } .footer-brand img { width: 160px; } }

/* Legal page */
.legal { padding: 64px 0 96px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); color: var(--heading); }
.legal h2 { font-size: 1.25rem; color: var(--heading); margin: 36px 0 10px; }
.legal p, .legal li { color: var(--ink-soft); max-width: 72ch; }
/* Video lightbox */
.video-dialog { padding: 0; border: 0; background: transparent; width: min(1100px, calc(100vw - 32px)); max-width: none; max-height: calc(100vh - 32px); }
.video-dialog::backdrop { background: rgba(0, 12, 40, .86); }
.video-dialog-inner { background: var(--navy-900); border-radius: var(--radius); overflow: hidden; }
.video-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 10px 10px 18px; color: var(--white); }
.video-dialog-title { font-weight: 600; display: flex; gap: 10px; align-items: baseline; }
.video-dialog-title .mono { color: var(--yellow); }
.video-dialog-close { width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; color: var(--white); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.video-dialog-close:hover { background: rgba(255, 255, 255, .1); }
.video-dialog video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #000; }

.legal p + p { margin-top: 8px; }
.legal .back { display: inline-block; margin-bottom: 24px; }
.legal h2 { scroll-margin-top: 90px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* Same task, three set-ups (technology section) */
.same-task { margin-top: 64px; }
.same-task-head { margin-bottom: 24px; }
.same-task-head .pipe-label { margin-bottom: 10px; }
.same-task-head h3 { font-size: 1.45rem; color: var(--heading); line-height: 1.25; }
.same-task-head p:last-child { margin-top: 8px; color: var(--ink-soft); }
.same-task-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.same-task-grid figure { margin: 0; }
.same-task-media { position: relative; border-radius: 12px; overflow: hidden; background: #c9c9c4; border: 1px solid var(--line); }
.same-task-grid figcaption { margin-top: 8px; font-size: .9rem; color: var(--ink-soft); }
.same-task-grid figcaption strong { color: var(--heading); }
@media (max-width: 600px) {
  .same-task-grid { grid-auto-flow: column; grid-template-columns: none; grid-auto-columns: 78%; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .same-task-grid figure { scroll-snap-align: start; }
}
.backer-wide img { max-width: 96%; }

/* Dark theme: follows the system setting */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111f45;
    --surface: #1a2b5c;
    --surface-2: #213469;
    --tint: #152551;
    --heading: #f3f6ff;
    --ink: #e6ebf8;
    --ink-soft: #b9c4e2;
    --line: rgba(255, 255, 255, .16);
    --panel: #2147a8;
    --core-bg: rgba(254, 204, 22, .14);
    --brand: #b4c4ff;
    --blue: #9db2f2;
    --gold: #dcc563;
  }
  .btn-outline:hover { color: var(--navy); }
  .section-navy { background-color: #0d1d4f; }
  .backer img { filter: brightness(0) invert(1); opacity: .82; }
  .backer:hover img, .backer:focus-visible img { opacity: 1; }
  .case, .founder { background: var(--surface); }
  .offer:hover, .offer:focus-within { box-shadow: 0 12px 30px rgba(0, 0, 0, .35); }
}