@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-latin.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter";
  src: url("/fonts/inter-cyrillic.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-latin.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --cyan: #68e3db;
  --blue: #81aaff;
  --grad: linear-gradient(100deg, var(--cyan) 0%, var(--blue) 100%);
  --radius: 20px;
  --wrap: 1200px;
  --nav-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* Dark is the default (and the no-JS fallback). */
:root, :root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #04070d;
  --bg-elev: #070c16;
  --nav-bg: rgba(4, 7, 13, .72);
  --surface: rgba(148, 178, 228, .035);
  --surface-2: rgba(148, 178, 228, .06);
  --fill: rgba(255, 255, 255, .03);
  --fill-hover: rgba(255, 255, 255, .07);
  --line: rgba(160, 190, 235, .11);
  --line-2: rgba(160, 190, 235, .22);
  --line-3: rgba(160, 190, 235, .38);
  --text: #eef3fb;
  --soft: #c3cfe0;
  --muted: #8e9fb7;
  --accent: #68e3db;
  --grad-text: var(--grad);
  --selection: rgba(104, 227, 219, .28);
  --grid-line: rgba(160, 190, 235, .06);
  --glow-1: rgba(129, 170, 255, .22);
  --glow-2: rgba(104, 227, 219, .14);
  --spot: rgba(104, 227, 219, .09);
  --card-shadow: none;
  --menu-shadow: 0 24px 60px -16px rgba(0, 0, 0, .7);
  --btn-shadow: 0 8px 30px -8px rgba(104, 227, 219, .55);
  --btn-shadow-hover: 0 14px 40px -10px rgba(104, 227, 219, .7);
  --mark-glow: drop-shadow(0 0 10px rgba(104, 227, 219, .35));
  --art: rgba(195, 207, 224, .38);
  --art-dash: rgba(129, 170, 255, .55);
  --art-grid: rgba(160, 190, 235, .09);
  --mission-border: rgba(104, 227, 219, .2);
  --mission-bg:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(129, 170, 255, .2), transparent 60%),
    radial-gradient(ellipse 50% 70% at 0% 100%, rgba(104, 227, 219, .14), transparent 60%),
    linear-gradient(160deg, #0b1626, #070d18);
  --mission-dots: rgba(255, 255, 255, .5);
  --contact-glow: rgba(104, 227, 219, .14);
  /* Constellation canvas colors, as "r,g,b" for the script. */
  --sky-star: 225, 235, 255;
  --sky-accent: 104, 227, 219;
  --sky-line: 129, 170, 255;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fb;
  --bg-elev: #ffffff;
  --nav-bg: rgba(246, 248, 251, .8);
  --surface: rgba(255, 255, 255, .55);
  --surface-2: #ffffff;
  --fill: rgba(15, 35, 70, .025);
  --fill-hover: rgba(15, 35, 70, .06);
  --line: rgba(15, 35, 70, .1);
  --line-2: rgba(15, 35, 70, .16);
  --line-3: rgba(15, 35, 70, .3);
  --text: #0b1322;
  --soft: #33425a;
  --muted: #56667e;
  --accent: #067a73;
  --grad-text: linear-gradient(100deg, #0a9e94 0%, #3d6fe8 100%);
  --selection: rgba(10, 160, 150, .2);
  --grid-line: rgba(15, 35, 70, .055);
  --glow-1: rgba(99, 140, 255, .2);
  --glow-2: rgba(40, 200, 190, .16);
  --spot: rgba(16, 160, 150, .07);
  --card-shadow: 0 1px 2px rgba(15, 35, 70, .04), 0 10px 30px -18px rgba(15, 35, 70, .18);
  --menu-shadow: 0 24px 60px -18px rgba(15, 35, 70, .25);
  --btn-shadow: 0 8px 26px -10px rgba(20, 160, 170, .55);
  --btn-shadow-hover: 0 14px 34px -12px rgba(20, 160, 170, .7);
  --mark-glow: none;
  --art: rgba(40, 60, 95, .42);
  --art-dash: rgba(61, 111, 232, .6);
  --art-grid: rgba(15, 35, 70, .07);
  --mission-border: rgba(10, 140, 130, .2);
  --mission-bg:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(99, 140, 255, .16), transparent 60%),
    radial-gradient(ellipse 50% 70% at 0% 100%, rgba(40, 200, 190, .14), transparent 60%),
    linear-gradient(160deg, #ffffff, #eef3fa);
  --mission-dots: rgba(15, 35, 70, .6);
  --contact-glow: rgba(40, 200, 190, .16);
  --sky-star: 25, 45, 85;
  --sky-accent: 8, 150, 140;
  --sky-line: 61, 111, 232;
}

/* Script-specific font stacks so Han characters use the right regional glyphs. */
html:lang(ja) { --sans: "Inter", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, "Noto Sans JP", system-ui, sans-serif; }
html:lang(ko) { --sans: "Inter", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif; }
html:lang(ar) { --sans: "Inter", "SF Arabic", "Geeza Pro", "Noto Sans Arabic", "Segoe UI", Tahoma, system-ui, sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; background: var(--bg); }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01";
  text-rendering: optimizeLegibility;
}
img, svg, canvas { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 650; letter-spacing: -.035em; text-wrap: balance; overflow-wrap: break-word; }
p { text-wrap: pretty; }
::selection { background: var(--selection); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Suppress transitions for the frame the theme flips, so colors don't animate piecemeal. */
.theme-switching *, .theme-switching *::before, .theme-switching *::after { transition: none !important; }

.wrap { width: min(var(--wrap), 100% - 48px); margin-inline: auto; }
.mono { font-family: var(--mono); }

.skip {
  position: fixed; top: 12px; inset-inline-start: 12px; z-index: 100;
  padding: 10px 16px; border-radius: 10px; background: var(--text); color: var(--bg);
  transform: translateY(-200%); transition: transform .2s var(--ease);
}
.skip:focus { transform: none; }

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
.pulse { position: relative; flex-shrink: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.pulse::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid var(--accent); opacity: 0; animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(1.6); opacity: 0; } }

/* ---------- Buttons ---------- */
.btn {
  --h: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 22px; border-radius: 999px;
  font-size: 15px; font-weight: 550; letter-spacing: -.005em; white-space: nowrap;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background-color .25s, border-color .25s, box-shadow .25s, color .25s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s var(--ease); }
.btn--primary {
  color: #04121a; background: var(--grad);
  box-shadow: var(--btn-shadow), inset 0 1px 0 rgba(255, 255, 255, .45);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: var(--btn-shadow-hover), inset 0 1px 0 rgba(255, 255, 255, .45); }
.btn--primary:hover .arrow { transform: translateX(3px); }
[dir="rtl"] .btn .arrow { transform: scaleX(-1); }
[dir="rtl"] .btn--primary:hover .arrow { transform: scaleX(-1) translateX(3px); }
.btn--ghost { color: var(--text); background: var(--fill); border-color: var(--line-2); }
.btn--ghost:hover { background: var(--fill-hover); border-color: var(--line-3); }
.btn--sm { --h: 38px; padding: 0 16px; font-size: 14px; }
.btn--lg { --h: 58px; padding: 0 30px; font-size: 17px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background-color .3s, border-color .3s;
}
.nav.is-scrolled {
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; color: var(--text); font-weight: 700; font-size: 19px; letter-spacing: -.04em; }
.brand b { font-weight: 700; color: var(--accent); }
.brand__mark { width: 26px; height: 26px; filter: var(--mark-glow); }
.nav__links { display: flex; gap: 4px; }
.nav__links a {
  padding: 8px 14px; border-radius: 999px; font-size: 14px; color: var(--muted); white-space: nowrap;
  transition: color .2s, background-color .2s;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); background: var(--fill-hover); }
.nav__cta-mobile { display: none; }
.nav__actions { display: flex; align-items: center; gap: 8px; }

.icon-btn, .langs__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; border: 1px solid var(--line); border-radius: 999px; background: transparent;
  color: var(--soft); cursor: pointer;
  transition: border-color .2s, color .2s, background-color .2s;
}
.icon-btn { width: 38px; padding: 0; }
.icon-btn:hover, .langs__btn:hover, .langs.is-open .langs__btn { border-color: var(--line-2); color: var(--text); background: var(--fill); }
.icon-btn svg, .langs__btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

.theme-toggle .i-moon, [data-theme="light"] .theme-toggle .i-sun { display: none; }
[data-theme="light"] .theme-toggle .i-moon { display: block; }
html:not(.js) .theme-toggle { display: none; }

/* Language menu */
.langs { position: relative; }
.langs__btn { padding: 0 10px 0 11px; font: 500 13px/1 var(--sans); }
.langs__code { letter-spacing: .02em; }
.langs__btn .langs__chev { width: 12px; height: 12px; stroke-width: 1.6; opacity: .7; transition: transform .2s var(--ease); }
.langs.is-open .langs__chev { transform: rotate(180deg); }
.langs__menu {
  position: absolute; top: calc(100% + 10px); inset-inline-end: 0; z-index: 60;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px;
  width: 300px; margin: 0; padding: 6px; list-style: none;
  border: 1px solid var(--line-2); border-radius: 16px;
  background: var(--bg-elev); box-shadow: var(--menu-shadow);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s, transform .2s var(--ease), visibility .2s;
}
.langs.is-open .langs__menu, html:not(.js) .langs:focus-within .langs__menu { opacity: 1; visibility: visible; transform: none; }
.langs__menu a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 9px 12px; border-radius: 10px; font-family: var(--sans); font-size: 14px; color: var(--soft);
  transition: background-color .15s, color .15s;
}
.langs__menu a:lang(ja) { font-family: "Hiragino Sans", "Yu Gothic UI", Meiryo, "Noto Sans JP", sans-serif; }
.langs__menu a:lang(ko) { font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif; }
.langs__menu a small { font: 500 10px/1 var(--mono); letter-spacing: .08em; color: var(--muted); }
.langs__menu a:hover { background: var(--fill-hover); color: var(--text); }
.langs__menu a[aria-current] { background: var(--fill-hover); color: var(--text); }
.langs__menu a[aria-current] small { color: var(--accent); }

.burger { display: none; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 12px; background: transparent; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), top .3s var(--ease); }
.burger span:first-child { top: 14px; }
.burger span:last-child { top: 22px; }
.nav.is-open .burger span:first-child { top: 18px; transform: rotate(45deg); }
.nav.is-open .burger span:last-child { top: 18px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: min(100svh, 960px);
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 72px) 0 96px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0; height: 200px; z-index: -1;
  background: linear-gradient(to bottom, transparent, var(--bg));
}
.hero__sky { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; }
.hero__glow {
  position: absolute; z-index: -2; top: -20%; inset-inline-end: -10%; width: 900px; height: 900px; border-radius: 50%;
  background:
    radial-gradient(closest-side, var(--glow-1), transparent 70%),
    radial-gradient(closest-side at 30% 70%, var(--glow-2), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero__inner { position: relative; }
.hero__title {
  margin: 26px 0 28px; max-width: 15ch;
  font-size: clamp(44px, 7.4vw, 104px); line-height: 1.02; letter-spacing: -.055em; font-weight: 650;
}
.hero__title em, .mission h2 em {
  font-style: normal;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { max-width: 640px; font-size: clamp(18px, 2vw, 22px); line-height: 1.6; color: var(--soft); }
.hero__lead strong { color: var(--text); font-weight: 600; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero__meta {
  display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0;
  margin: 72px 0 0; padding: 0;
}
.hero__meta div { padding-block: 2px; padding-inline-end: 40px; margin-inline-end: 40px; border-inline-end: 1px solid var(--line); }
.hero__meta div:last-child { border-inline-end: 0; margin-inline-end: 0; }
.hero__meta dt { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.hero__meta dd { margin: 6px 0 0; font-size: 17px; font-weight: 550; letter-spacing: -.01em; }

/* ---------- Sections ---------- */
.section { position: relative; padding: 128px 0; }
.section + .section::before {
  content: ""; position: absolute; top: 0; left: 50%; translate: -50% 0;
  width: min(var(--wrap), 100% - 48px); height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent);
}
.section__head { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 56px; }
.section__head h2 { margin-top: 18px; max-width: 18ch; font-size: clamp(32px, 4.4vw, 54px); line-height: 1.08; }
.section__lede { max-width: 400px; color: var(--muted); font-size: 16px; }

/* ---------- About ---------- */
.statement {
  margin-top: 28px; max-width: 30ch;
  font-size: clamp(26px, 3.4vw, 44px); line-height: 1.3; letter-spacing: -.03em; font-weight: 500;
  color: var(--muted);
}
.statement mark { background: none; color: var(--text); }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 80px; border-top: 1px solid var(--line); }
.pillar { padding-block: 36px 8px; padding-inline-end: 36px; }
.pillar + .pillar { padding-inline-start: 36px; border-inline-start: 1px solid var(--line); }
.pillar__icon {
  display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(145deg, rgba(104, 227, 219, .14), rgba(129, 170, 255, .06));
  border: 1px solid rgba(104, 227, 219, .25);
}
.pillar__icon svg { width: 22px; height: 22px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.pillar h3 { margin: 22px 0 10px; font-size: 22px; }
.pillar p { color: var(--muted); max-width: 32ch; }

/* ---------- Cards (shared) ---------- */
.card {
  --mx: 50%; --my: 0%;
  position: relative; isolation: isolate; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: var(--card-shadow);
  transition: border-color .3s, transform .4s var(--ease);
}
.card::after {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: radial-gradient(520px circle at var(--mx) var(--my), var(--spot), transparent 45%);
  opacity: 0; transition: opacity .35s;
}
.card:hover { border-color: var(--line-2); }
.card:hover::after { opacity: 1; }

/* ---------- Audience ---------- */
.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.aud { padding: 32px; min-height: 260px; display: flex; flex-direction: column; }
.aud__idx {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  font: 500 13px/1 var(--mono); color: var(--accent); border: 1px solid var(--line-2);
}
.aud h3 { margin-top: auto; padding-top: 48px; font-size: 22px; }
.aud p { margin-top: 10px; color: var(--muted); font-size: 15px; }

/* ---------- Assets ---------- */
.assets { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.asset { padding: 34px 34px 32px; min-height: 400px; display: flex; flex-direction: column; }
.asset::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .4;
}
.asset__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.asset__num { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--accent); direction: ltr; }
.asset__kind {
  flex-shrink: 0; white-space: nowrap;
  font-size: 12px; color: var(--muted); padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--fill);
}
.asset__art {
  width: 132px; height: 132px; margin: 34px 0 32px;
  fill: none; stroke: var(--art); stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round;
  transition: transform .6s var(--ease);
}
.asset:hover .asset__art { transform: translateY(-4px) rotate(-2deg); }
.asset__art .accent { stroke: var(--accent); stroke-width: 1.5; }
.asset__art .dash { stroke-dasharray: 3 4; stroke: var(--art-dash); }
.asset__art .grid { stroke: var(--art-grid); }
.asset__art .dot { fill: var(--accent); stroke: none; }
.asset__art .cursor { fill: var(--accent); stroke: none; animation: blink 1.1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }
.asset h3 { font-size: 24px; line-height: 1.25; max-width: 22ch; }
.asset p { margin-top: 12px; color: var(--muted); font-size: 15px; max-width: 52ch; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: auto 0 0; padding: 28px 0 0; }
.tags li {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--soft);
  padding: 5px 10px; border-radius: 6px; border: 1px solid var(--line); background: var(--fill);
}

/* ---------- Approach ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step { position: relative; padding: 32px 32px 36px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); box-shadow: var(--card-shadow); }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 50px; inset-inline-end: -17px; width: 18px; height: 1px;
  background: var(--grad);
}
.step__n {
  display: inline-grid; place-items: center; height: 36px; padding: 0 12px; border-radius: 999px;
  font: 500 13px/1 var(--mono); color: #04121a; background: var(--grad);
}
.step h3 { margin: 28px 0 10px; font-size: 22px; }
.step p { color: var(--muted); font-size: 15px; }

/* ---------- Mission ---------- */
.mission {
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(40px, 7vw, 96px);
  border-radius: 28px; border: 1px solid var(--mission-border);
  background: var(--mission-bg);
  box-shadow: var(--card-shadow);
}
.mission::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(var(--mission-dots) 1px, transparent 1px);
  background-size: 28px 28px; opacity: .07;
}
.mission__mark { position: absolute; inset-inline-end: clamp(24px, 5vw, 72px); top: clamp(24px, 5vw, 64px); width: clamp(56px, 8vw, 96px); height: auto; opacity: .9; filter: drop-shadow(0 0 30px rgba(104, 227, 219, .45)); }
.mission h2 { margin: 24px 0 28px; max-width: 20ch; font-size: clamp(32px, 4.6vw, 58px); line-height: 1.12; }
.mission p:last-child { max-width: 62ch; font-size: clamp(16px, 1.6vw, 19px); color: var(--soft); }
.mission strong { color: var(--accent); font-weight: 600; }

/* ---------- Contact ---------- */
.contact { text-align: center; padding-bottom: 152px; }
.contact::after {
  content: ""; position: absolute; z-index: -1; left: 50%; bottom: 0; translate: -50% 0;
  width: min(1000px, 100%); height: 420px;
  background: radial-gradient(ellipse at 50% 100%, var(--contact-glow), transparent 65%);
  pointer-events: none;
}
.contact__inner { display: flex; flex-direction: column; align-items: center; }
.contact h2 { margin: 20px 0 18px; max-width: 18ch; font-size: clamp(34px, 5vw, 64px); line-height: 1.06; }
.contact__lede { max-width: 52ch; color: var(--muted); font-size: 18px; margin-bottom: 40px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 40px; color: var(--muted); }
.footer__inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer__brand p { margin-top: 14px; font-size: 14px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 14px; }
.footer__links a:hover { color: var(--text); }
.footer__base {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px;
}
.footer__base .mono { font-size: 11px; letter-spacing: .14em; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Per-language typography ---------- */
/* CJK: no negative tracking, taller lines, phrase-aware wrapping. */
html:is(:lang(zh), :lang(ja), :lang(ko)) :is(h1, h2, h3) { letter-spacing: -.01em; }
html:is(:lang(zh), :lang(ja), :lang(ko)) .hero__title { letter-spacing: -.02em; line-height: 1.15; max-width: 11em; font-size: clamp(40px, 6.6vw, 92px); }
html:is(:lang(zh), :lang(ja), :lang(ko)) .statement { letter-spacing: 0; line-height: 1.5; max-width: 26em; font-size: clamp(22px, 2.8vw, 36px); }
html:is(:lang(zh), :lang(ja), :lang(ko)) :is(.section__head h2, .mission h2, .contact h2) { line-height: 1.25; max-width: none; }
html:is(:lang(zh), :lang(ja), :lang(ko)) :is(.hero__lead, p) { line-height: 1.8; }
html:is(:lang(zh), :lang(ja), :lang(ko)) .mission h2 { font-size: clamp(28px, 4vw, 52px); }
html:is(:lang(zh), :lang(ja), :lang(ko)) .mission h2 em { white-space: nowrap; }
html:is(:lang(zh), :lang(ja), :lang(ko), :lang(ar)) :is(.eyebrow, .hero__meta dt) { font-family: var(--sans); letter-spacing: .06em; font-weight: 600; }
html:lang(ja) body { word-break: auto-phrase; }
html:lang(ko) body { word-break: keep-all; }

/* Arabic: letter-spacing breaks cursive joining, and the script needs more leading. */
html:lang(ar) *, html:lang(ar) *::before, html:lang(ar) *::after { letter-spacing: 0 !important; }
html:lang(ar) .hero__title { line-height: 1.3; font-size: clamp(40px, 6.4vw, 88px); max-width: 14ch; }
html:lang(ar) :is(h2, h3) { line-height: 1.4; }
html:lang(ar) :is(p, .hero__lead) { line-height: 1.9; }
html:lang(ar) .statement { line-height: 1.6; }

/* Long-word languages: let headings hyphenate rather than overflow on phones. */
html:is(:lang(de), :lang(ru), :lang(fr), :lang(es), :lang(pt)) :is(h1, h2, h3) { hyphens: auto; -webkit-hyphens: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav__links a { padding: 8px 10px; }
}
@media (max-width: 1024px) {
  .audience { grid-template-columns: 1fr; }
  .aud { min-height: 0; }
  .aud h3 { padding-top: 28px; }
  .steps { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { top: auto; bottom: -17px; inset-inline-end: auto; inset-inline-start: 48px; width: 1px; height: 18px; background: linear-gradient(180deg, var(--cyan), var(--blue)); }
}
@media (max-width: 960px) {
  :root { --nav-h: 64px; }
  .burger { display: block; }
  .nav__cta { display: none; }
  .nav.is-open { background: var(--bg-elev); border-bottom-color: var(--line); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .nav__links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 2px; padding: 12px 24px 24px;
    background: var(--bg-elev); border-bottom: 1px solid var(--line);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav__links a { padding: 14px 4px; font-size: 17px; border-radius: 0; border-bottom: 1px solid var(--line); background: none !important; }
  .nav__cta-mobile { display: block; color: var(--accent) !important; border-bottom: 0 !important; }
}
@media (max-width: 860px) {
  .section { padding: 96px 0; }
  .section__head { flex-direction: column; align-items: start; gap: 20px; margin-bottom: 40px; }
  .pillars { grid-template-columns: 1fr; margin-top: 56px; }
  .pillar, .pillar + .pillar { padding: 28px 0; border-inline-start: 0; }
  .pillar + .pillar { border-top: 1px solid var(--line); }
  .assets { grid-template-columns: 1fr; }
  .asset { min-height: 0; padding: 28px; }
  .asset__art { width: 104px; height: 104px; margin: 24px 0; }
  .hero__meta { grid-template-columns: 1fr; gap: 18px; margin-top: 56px; }
  .hero__meta div, .hero__meta div:last-child { border-inline-end: 0; margin-inline-end: 0; padding: 0; padding-inline-start: 16px; border-inline-start: 1px solid var(--line-2); }
}
@media (max-width: 520px) {
  .wrap { width: calc(100% - 36px); }
  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .hero__ctas .btn { flex: 1 1 100%; }
  .btn--lg { --h: 54px; padding: 0 22px; font-size: 16px; }
  .footer__inner { flex-direction: column; }
  .brand { font-size: 17px; gap: 8px; }
  .brand__mark { width: 22px; height: 22px; }
  .nav__actions { gap: 6px; }
  .langs__menu { position: fixed; top: calc(var(--nav-h) + 4px); inset-inline: 12px; width: auto; }
}
@media (max-width: 360px) {
  .langs__code { display: 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; }
}
