/* ==========================================================================
   BSCDF — site styles
   One stylesheet, five themes. Every colour, font, radius and shadow below
   is a design token; a theme is nothing more than a different set of values.
   ========================================================================== */

/* ---------- Fonts (self-hosted, no third-party requests) ---------- */
@font-face { font-family: "Geist"; src: url("/fonts/geist-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/geist-mono-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/fonts/instrument-serif-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/fonts/instrument-serif-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("/fonts/archivo-latin-wdth-normal.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap; }
@font-face { font-family: "Bricolage Grotesque"; src: url("/fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2"); font-weight: 200 800; font-style: normal; font-display: swap; }

/* ==========================================================================
   Themes
   ========================================================================== */

/* ---------- 1. Midnight (default) ---------- */
:root,
[data-theme="midnight"] {
  color-scheme: dark;
  --bg: #07080d;
  --surface: #0d0f17;
  --surface-2: #141724;
  --tint: #0a0b12;
  --fg: #f3f4f8;
  --muted: #a4a9ba;
  --subtle: #7d8297;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.17);
  --accent: #7b8cff;
  --accent-2: #5ce1e6;
  --accent-ink: #a3afff;
  --on-accent: #07080d;

  --font-display: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display-weight: 600;
  --display-tracking: -0.045em;
  --display-leading: 0.98;
  --display-transform: none;
  --display-stretch: 100%;
  --ds: 1;            /* hero headline scale */
  --ds2: 1;           /* section headline scale */
  --h3-weight: 600;
  --body-weight: 400;

  --em-style: normal;
  --em-color: transparent;
  --em-bg: linear-gradient(100deg, #a9b4ff 0%, #7b8cff 35%, #5ce1e6 100%);
  --em-clip: text;
  --em-pad: 0;

  --bw: 1px;
  --radius: 10px;
  --radius-lg: 18px;
  --radius-btn: 999px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 24px 48px -28px rgba(0, 0, 0, 0.8);
  --shadow-pop: 0 1px 0 rgba(255, 255, 255, 0.07) inset, 0 40px 80px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --card-blur: none;
  --spot: rgba(123, 140, 255, 0.13);

  --btn-bg: #f3f4f8;
  --btn-fg: #07080d;
  --btn-border: transparent;
  --btn-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 10px 40px -8px rgba(123, 140, 255, 0.55);
  --btn-hover: translateY(-2px);
  --btn-hover-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3), 0 16px 50px -8px rgba(123, 140, 255, 0.8);

  --nav-bg: rgba(7, 8, 13, 0.72);
  --hero-art:
    radial-gradient(55% 60% at 78% 8%, rgba(123, 140, 255, 0.26), transparent 70%),
    radial-gradient(40% 45% at 12% 0%, rgba(92, 225, 230, 0.12), transparent 70%);
  --grid-line: rgba(255, 255, 255, 0.045);
  --grid-size: 64px;
  --page-bg: none;
  --overlay: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --overlay-opacity: 0.045;
  --overlay-blend: normal;
  --wordmark: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0) 85%);
  --text-glow: none;
  --eyebrow-mark: "";
}

/* ---------- 2. Editorial ---------- */
[data-theme="paper"] {
  color-scheme: light;
  --bg: #f5f1e8;
  --surface: #fbf8f1;
  --surface-2: #ece6d8;
  --tint: #efeadf;
  --fg: #171411;
  --muted: #5a5349;
  --subtle: #6f675b;
  --line: rgba(23, 20, 17, 0.14);
  --line-strong: rgba(23, 20, 17, 0.34);
  --accent: #c8371b;
  --accent-2: #171411;
  --accent-ink: #b42f15;
  --on-accent: #fbf8f1;

  --font-display: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display-weight: 400;
  --display-tracking: -0.022em;
  --display-leading: 0.94;
  --display-transform: none;
  --display-stretch: 100%;
  --ds: 1.16;
  --ds2: 1.18;
  --h3-weight: 400;
  --body-weight: 400;

  --em-style: italic;
  --em-color: var(--accent);
  --em-bg: none;
  --em-clip: border-box;
  --em-pad: 0;

  --bw: 1px;
  --radius: 2px;
  --radius-lg: 3px;
  --radius-btn: 2px;
  --shadow-card: none;
  --shadow-pop: 0 30px 60px -40px rgba(23, 20, 17, 0.35);
  --card-blur: none;
  --spot: rgba(200, 55, 27, 0.06);

  --btn-bg: #171411;
  --btn-fg: #f5f1e8;
  --btn-border: #171411;
  --btn-shadow: none;
  --btn-hover: translateY(-2px);
  --btn-hover-shadow: 0 12px 24px -14px rgba(23, 20, 17, 0.6);

  --nav-bg: rgba(245, 241, 232, 0.82);
  --hero-art: none;
  --grid-line: rgba(23, 20, 17, 0.055);
  --grid-size: 48px;
  --page-bg: none;
  --overlay: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .6 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --overlay-opacity: 0.07;
  --overlay-blend: multiply;
  --wordmark: linear-gradient(180deg, rgba(23, 20, 17, 0.9), rgba(23, 20, 17, 0.9));
  --text-glow: none;
  --eyebrow-mark: "";
}

/* ---------- 3. Terminal ---------- */
[data-theme="terminal"] {
  color-scheme: dark;
  --bg: #040806;
  --surface: #07100a;
  --surface-2: #0b1a10;
  --tint: #050b07;
  --fg: #d6ffe0;
  --muted: #86c797;
  --subtle: #5f9a70;
  --line: rgba(74, 255, 128, 0.17);
  --line-strong: rgba(74, 255, 128, 0.42);
  --accent: #4aff80;
  --accent-2: #c8ff4a;
  --accent-ink: #4aff80;
  --on-accent: #031006;

  --font-display: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-body: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display-weight: 500;
  --display-tracking: -0.06em;
  --display-leading: 1.02;
  --display-transform: none;
  --display-stretch: 100%;
  --ds: 0.84;
  --ds2: 0.8;
  --h3-weight: 500;
  --body-weight: 400;

  --em-style: normal;
  --em-color: var(--accent);
  --em-bg: none;
  --em-clip: border-box;
  --em-pad: 0;

  --bw: 1px;
  --radius: 0px;
  --radius-lg: 0px;
  --radius-btn: 0px;
  --shadow-card: none;
  --shadow-pop: 0 0 0 1px rgba(74, 255, 128, 0.12), 0 0 60px -10px rgba(74, 255, 128, 0.22);
  --card-blur: none;
  --spot: rgba(74, 255, 128, 0.09);

  --btn-bg: #4aff80;
  --btn-fg: #031006;
  --btn-border: #4aff80;
  --btn-shadow: 0 0 24px -4px rgba(74, 255, 128, 0.6);
  --btn-hover: translateY(-2px);
  --btn-hover-shadow: 0 0 36px -2px rgba(74, 255, 128, 0.85);

  --nav-bg: rgba(4, 8, 6, 0.86);
  --hero-art: radial-gradient(60% 60% at 70% 0%, rgba(74, 255, 128, 0.12), transparent 70%);
  --grid-line: rgba(74, 255, 128, 0.07);
  --grid-size: 32px;
  --page-bg: none;
  --overlay: repeating-linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0 1px, transparent 1px 3px);
  --overlay-opacity: 0.38;
  --overlay-blend: normal;
  --wordmark: linear-gradient(180deg, rgba(74, 255, 128, 0.5), rgba(74, 255, 128, 0) 90%);
  --text-glow: 0 0 22px rgba(74, 255, 128, 0.42);
  --eyebrow-mark: "$ ";
}

/* ---------- 4. Aurora ---------- */
[data-theme="aurora"] {
  color-scheme: light;
  --bg: #f6f3ff;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-2: rgba(255, 255, 255, 0.82);
  --tint: rgba(255, 255, 255, 0.34);
  --fg: #1a1433;
  --muted: #514a70;
  --subtle: #6b6489;
  --line: rgba(26, 20, 51, 0.09);
  --line-strong: rgba(26, 20, 51, 0.2);
  --accent: #6a45ff;
  --accent-2: #ff4f9a;
  --accent-ink: #5a34ee;
  --on-accent: #ffffff;

  --font-display: "Bricolage Grotesque", "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display-weight: 700;
  --display-tracking: -0.04em;
  --display-leading: 0.98;
  --display-transform: none;
  --display-stretch: 100%;
  --ds: 1;
  --ds2: 1;
  --h3-weight: 700;
  --body-weight: 400;

  --em-style: normal;
  --em-color: transparent;
  --em-bg: linear-gradient(100deg, #6a45ff 0%, #c44dff 45%, #ff4f9a 100%);
  --em-clip: text;
  --em-pad: 0;

  --bw: 1px;
  --radius: 16px;
  --radius-lg: 30px;
  --radius-btn: 999px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 30px 60px -34px rgba(86, 60, 190, 0.38);
  --shadow-pop: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 50px 90px -40px rgba(86, 60, 190, 0.55);
  --card-blur: blur(22px) saturate(160%);
  --spot: rgba(255, 255, 255, 0.7);

  --btn-bg: linear-gradient(100deg, #6a45ff, #b44dff 55%, #ff4f9a);
  --btn-fg: #ffffff;
  --btn-border: transparent;
  --btn-shadow: 0 14px 34px -12px rgba(106, 69, 255, 0.75);
  --btn-hover: translateY(-2px) scale(1.015);
  --btn-hover-shadow: 0 20px 44px -12px rgba(160, 69, 255, 0.85);

  --nav-bg: rgba(246, 243, 255, 0.62);
  --hero-art: none;
  --grid-line: transparent;
  --grid-size: 64px;
  --page-bg:
    radial-gradient(42% 38% at 12% 8%, rgba(255, 150, 200, 0.55), transparent 70%),
    radial-gradient(40% 40% at 88% 4%, rgba(140, 170, 255, 0.6), transparent 70%),
    radial-gradient(45% 40% at 78% 70%, rgba(190, 150, 255, 0.5), transparent 70%),
    radial-gradient(40% 40% at 8% 88%, rgba(130, 235, 220, 0.5), transparent 70%);
  --overlay: none;
  --overlay-opacity: 0;
  --overlay-blend: normal;
  --wordmark: linear-gradient(100deg, rgba(106, 69, 255, 0.5), rgba(255, 79, 154, 0.5));
  --text-glow: none;
  --eyebrow-mark: "";
}

/* ---------- 5. Brutalist ---------- */
[data-theme="brut"] {
  color-scheme: light;
  --bg: #f3efe3;
  --surface: #ffffff;
  --surface-2: #ffe24a;
  --tint: #ffe24a;
  --fg: #0c0c0c;
  --muted: #2f2f2f;
  --subtle: #4d4d4d;
  --line: #0c0c0c;
  --line-strong: #0c0c0c;
  --accent: #ff5b1f;
  --accent-2: #2f5bff;
  --accent-ink: #0c0c0c;
  --on-accent: #0c0c0c;

  --font-display: "Archivo", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display-weight: 850;
  --display-tracking: -0.035em;
  --display-leading: 0.92;
  --display-transform: uppercase;
  --display-stretch: 118%;
  --ds: 0.74;
  --ds2: 0.8;
  --h3-weight: 800;
  --body-weight: 450;

  --em-style: normal;
  --em-color: var(--fg);
  --em-bg: linear-gradient(#ff5b1f, #ff5b1f);
  --em-clip: border-box;
  --em-pad: 0 0.14em;

  --bw: 2px;
  --radius: 0px;
  --radius-lg: 0px;
  --radius-btn: 0px;
  --shadow-card: 6px 6px 0 #0c0c0c;
  --shadow-pop: 10px 10px 0 #0c0c0c;
  --card-blur: none;
  --spot: transparent;

  --btn-bg: #ff5b1f;
  --btn-fg: #0c0c0c;
  --btn-border: #0c0c0c;
  --btn-shadow: 4px 4px 0 #0c0c0c;
  --btn-hover: translate(-2px, -2px);
  --btn-hover-shadow: 7px 7px 0 #0c0c0c;

  --nav-bg: #f3efe3;
  --hero-art: none;
  --grid-line: rgba(12, 12, 12, 0.09);
  --grid-size: 40px;
  --page-bg: none;
  --overlay: none;
  --overlay-opacity: 0;
  --overlay-blend: normal;
  --wordmark: linear-gradient(#0c0c0c, #0c0c0c);
  --text-glow: none;
  --eyebrow-mark: "";
}

/* ==========================================================================
   Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  scrollbar-color: var(--line-strong) transparent;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: none;  /* the page colour lives on <html> so the fixed backdrop below can show through */
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: var(--body-weight);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-synthesis: none;
  overflow-x: clip;
  counter-reset: sec;
}

/* Page backdrop (Aurora's mesh) and overlay (film grain / scanlines) */
body::before,
body::after { content: ""; position: fixed; inset: 0; pointer-events: none; }
body::before { z-index: -1; background: var(--page-bg); }
body::after { z-index: 90; background: var(--overlay); opacity: var(--overlay-opacity); mix-blend-mode: var(--overlay-blend); }

h1, h2, h3, p, ul, ol, dl, dd, figure, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
svg { display: block; }
::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; border-radius: 2px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; top: 12px; left: 12px; z-index: 200; padding: 10px 16px; background: var(--fg); color: var(--bg); border-radius: var(--radius); transform: translateY(-200%); }
.skip:focus { transform: none; }

.wrap { width: min(100% - clamp(40px, 8vw, 96px), 1200px); margin-inline: auto; }

kbd {
  display: inline-grid; place-items: center; min-width: 1.6em; height: 1.6em; padding: 0 0.35em;
  font: 500 0.72em/1 var(--font-mono); color: inherit;
  border: 1px solid var(--line-strong); border-radius: max(3px, calc(var(--radius) / 2.5));
  opacity: 0.85;
}

.ico { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.ico .fill { fill: currentColor; stroke: none; }

.link { color: var(--accent-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.link:hover { text-decoration-thickness: 2px; }

/* ---------- Display type ---------- */
.display {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-stretch: var(--display-stretch);
  letter-spacing: var(--display-tracking);
  line-height: var(--display-leading);
  text-transform: var(--display-transform);
  text-wrap: balance;
  text-shadow: var(--text-glow);
}
.display em {
  font-style: var(--em-style);
  color: var(--em-color);
  background: var(--em-bg);
  -webkit-background-clip: var(--em-clip);
  background-clip: var(--em-clip);
  padding: var(--em-pad);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
/* gradient-clipped text needs room for descenders */
[data-theme="midnight"] .display em,
[data-theme="aurora"] .display em { padding-bottom: 0.12em; }

h2.display { font-size: calc(clamp(2.1rem, 1.05rem + 3.7vw, 3.9rem) * var(--ds2)); }

.eyebrow {
  display: flex; align-items: center; gap: 0.7em;
  font: 500 0.75rem/1 var(--font-mono);
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
}
.sec-head .eyebrow { counter-increment: sec; }
.sec-head .eyebrow::before {
  content: var(--eyebrow-mark) counter(sec, decimal-leading-zero);
  color: var(--accent-ink);
}
.sec-head .eyebrow::after { content: ""; order: -1; display: none; }
.contact .eyebrow { counter-increment: sec; }
.contact .eyebrow::before { content: var(--eyebrow-mark) counter(sec, decimal-leading-zero); color: var(--accent-ink); }

.lede { color: var(--muted); font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.2rem); line-height: 1.6; max-width: 58ch; text-wrap: pretty; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  height: 50px; padding: 0 24px;
  font: 550 0.95rem/1 var(--font-body); letter-spacing: -0.005em; white-space: nowrap;
  border: var(--bw) solid transparent; border-radius: var(--radius-btn);
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s ease, background-color 0.2s ease, border-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-border); box-shadow: var(--btn-shadow); }
.btn-ghost { color: var(--fg); border-color: var(--line-strong); background: color-mix(in srgb, var(--fg) 3%, transparent); }
.btn:hover { transform: var(--btn-hover); }
.btn-primary:hover { box-shadow: var(--btn-hover-shadow); }
.btn-ghost:hover { border-color: var(--fg); background: color-mix(in srgb, var(--fg) 7%, transparent); }
.btn:active { transform: none; transition-duration: 0.05s; }
.btn .ico { transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1); }
.btn:hover .ico:last-child { transform: translateX(3px); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 0.875rem; }
.btn-lg { height: 58px; padding: 0 30px; font-size: 1.02rem; }
[data-theme="brut"] .btn { text-transform: uppercase; font-weight: 750; letter-spacing: 0.02em; font-stretch: 105%; }
[data-theme="brut"] .btn-ghost { background: var(--surface); box-shadow: 4px 4px 0 var(--fg); }
[data-theme="brut"] .btn-ghost:hover { box-shadow: 7px 7px 0 var(--fg); background: var(--surface); }

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  -webkit-backdrop-filter: var(--card-blur);
  backdrop-filter: var(--card-blur);
}
.card[data-spot]::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 0%), var(--spot), transparent 62%);
  opacity: 0; transition: opacity 0.35s ease;
}
.card[data-spot]:hover::before { opacity: 1; }

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 80;
  border-bottom: var(--bw) solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}
.scrolled .nav,
.menu-open .nav {
  background: var(--nav-bg);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font: 650 1.05rem/1 var(--font-body); letter-spacing: 0.02em; }
.brand-mark { width: 28px; height: 28px; flex: none; }
.brand-mark rect { fill: var(--fg); rx: calc(var(--radius) * 0.8); }
.brand-mark path { fill: var(--bg); }
[data-theme="aurora"] .brand-mark rect { fill: var(--accent); }
[data-theme="aurora"] .brand-mark path { fill: #fff; }
[data-theme="brut"] .brand-mark rect { fill: var(--accent); stroke: var(--fg); stroke-width: 2; }
[data-theme="brut"] .brand-mark path { fill: var(--fg); }
[data-theme="terminal"] .brand-mark rect { fill: var(--accent); }
.brand-name { font-family: var(--font-display); font-weight: max(600, var(--display-weight)); font-stretch: var(--display-stretch); letter-spacing: 0.01em; font-size: 1.1rem; }
[data-theme="paper"] .brand-name { font-size: 1.45rem; letter-spacing: 0; font-weight: 400; }

.nav-links { display: flex; gap: 4px; margin-inline: auto; }
.nav-links a {
  padding: 8px 14px; font-size: 0.9rem; color: var(--muted);
  border-radius: var(--radius-btn); transition: color 0.2s ease, background-color 0.2s ease;
}
.nav-links a:hover { color: var(--fg); background: color-mix(in srgb, var(--fg) 6%, transparent); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.theme-btn {
  display: inline-flex; align-items: center; gap: 9px; height: 40px; padding: 0 14px 0 10px;
  font-size: 0.875rem; font-weight: 500; color: var(--fg);
  border: var(--bw) solid var(--line-strong); border-radius: var(--radius-btn);
  background: color-mix(in srgb, var(--fg) 3%, transparent);
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.theme-btn:hover { border-color: var(--fg); transform: var(--btn-hover); }
.theme-btn:active { transform: none; }
.theme-btn-count { font: 500 0.72rem/1 var(--font-mono); color: var(--subtle); padding-left: 9px; border-left: 1px solid var(--line-strong); }
[data-theme="brut"] .theme-btn { background: var(--surface-2); text-transform: uppercase; font-weight: 750; font-size: 0.8rem; letter-spacing: 0.03em; }

.theme-swatch {
  position: relative; width: 20px; height: 20px; flex: none; border-radius: 50%;
  background: conic-gradient(from 210deg, var(--accent) 0 34%, var(--fg) 34% 67%, var(--bg) 67% 100%);
  border: 1px solid var(--line-strong);
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.theme-btn:hover .theme-swatch { transform: rotate(120deg); }

.menu-btn { display: none; width: 40px; height: 40px; border: var(--bw) solid var(--line-strong); border-radius: var(--radius-btn); position: relative; }
.menu-btn i { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--fg); transition: transform 0.3s ease, top 0.3s ease; }
.menu-btn i:nth-of-type(1) { top: 15px; }
.menu-btn i:nth-of-type(2) { top: 22px; }
.menu-open .menu-btn i:nth-of-type(1) { top: 18.5px; transform: rotate(45deg); }
.menu-open .menu-btn i:nth-of-type(2) { top: 18.5px; transform: rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; padding: clamp(128px, 15vw, 190px) 0 clamp(72px, 9vw, 128px); isolation: isolate; }
.hero-art { position: absolute; inset: 0; z-index: -1; background: var(--hero-art); overflow: hidden; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-position: center top;
  -webkit-mask-image: radial-gradient(90% 75% at 50% 0%, #000 30%, transparent 100%);
  mask-image: radial-gradient(90% 75% at 50% 0%, #000 30%, transparent 100%);
}
[data-theme="brut"] .hero-grid {
  background-image: radial-gradient(circle at 1.5px 1.5px, rgba(12, 12, 12, 0.22) 1.5px, transparent 0);
  background-size: 22px 22px;
}

.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px;
  font: 500 0.78rem/1 var(--font-mono); letter-spacing: 0.04em; color: var(--muted);
  border: var(--bw) solid var(--line); border-radius: var(--radius-btn);
  background: color-mix(in srgb, var(--fg) 3%, transparent);
}
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
[data-theme="brut"] .pill { background: var(--surface); color: var(--fg); text-transform: uppercase; font-weight: 600; }
[data-theme="brut"] .pill i, [data-theme="terminal"] .pill i { border-radius: 0; }

.hero-title {
  margin-top: clamp(22px, 3vw, 34px);
  font-size: calc(clamp(2.7rem, 11.2vw, 8.75rem) * var(--ds));
}
.hero-title .line { display: block; }
[data-theme="terminal"] .hero-title .line:last-child::after {
  content: ""; display: inline-block; width: 0.5em; height: 0.82em; margin-left: 0.12em; vertical-align: -0.04em;
  background: var(--accent); box-shadow: var(--text-glow); animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-cols {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(40px, 6vw, 88px); align-items: start;
  margin-top: clamp(40px, 5.5vw, 76px);
}
.hero-lede { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.32rem); line-height: 1.55; color: var(--muted); max-width: 46ch; text-wrap: pretty; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 34px; font-size: 0.88rem; color: var(--subtle); }
.hero-points li { display: inline-flex; align-items: center; gap: 9px; }
.hero-points li::before {
  content: ""; width: 14px; height: 14px; flex: none; background: var(--accent-ink);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 4.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 4.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ---------- Windows (live vitals + tokens) ---------- */
.hero-panel { position: relative; padding-bottom: 150px; }
.window {
  background: var(--surface);
  border: var(--bw) solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  -webkit-backdrop-filter: var(--card-blur);
  backdrop-filter: var(--card-blur);
  overflow: hidden;
}
[data-theme="paper"] .window { border-color: var(--line-strong); }
.window-bar {
  display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 16px;
  border-bottom: var(--bw) solid var(--line);
  font: 500 0.74rem/1 var(--font-mono); color: var(--subtle);
}
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
[data-theme="brut"] .dots i { border-radius: 0; background: var(--fg); }
[data-theme="brut"] .window-bar { background: var(--surface-2); color: var(--fg); }
.window-title { margin-inline: auto; }
.tokens .window-title { margin-inline: 0; }
.live { display: inline-flex; align-items: center; gap: 7px; color: var(--accent-ink); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.68rem; }
.live i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 60%, transparent); } 50% { box-shadow: 0 0 0 6px transparent; } }

.vitals-body { padding: clamp(18px, 2.4vw, 26px); }
.vitals-cap { font-size: 0.84rem; color: var(--muted); }
.vitals-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 18px; border: var(--bw) solid var(--line); border-radius: var(--radius); overflow: hidden; }
.vital { padding: 16px 14px 14px; border-left: var(--bw) solid var(--line); min-width: 0; }
.vital:first-child { border-left: 0; }
.vital dt { font: 500 0.66rem/1.2 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--subtle); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vital dd { display: flex; align-items: baseline; gap: 4px; margin-top: 12px; font-family: var(--font-display); font-stretch: var(--display-stretch); }
.vital dd b { font-size: clamp(1.5rem, 1.1rem + 1.3vw, 2.1rem); font-weight: var(--display-weight); letter-spacing: var(--display-tracking); line-height: 1; font-variant-numeric: tabular-nums; text-shadow: var(--text-glow); }
[data-theme="paper"] .vital dd b { font-size: clamp(1.9rem, 1.4rem + 1.6vw, 2.6rem); }
[data-theme="brut"] .vital dd b, [data-theme="terminal"] .vital dd b { font-size: clamp(1.25rem, 0.9rem + 1.1vw, 1.7rem); }
.vital dd span { font: 500 0.78rem/1 var(--font-mono); color: var(--subtle); }
.vital small { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font: 500 0.7rem/1 var(--font-mono); color: var(--subtle); white-space: nowrap; }
.vital small::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--line-strong); }
.vital small.good { color: var(--muted); }
.vital small.good::before { background: #2fd27a; box-shadow: 0 0 0 3px rgba(47, 210, 122, 0.18); }
.vital small.warn::before { background: #f5a623; }
[data-theme="brut"] .vital small::before { border-radius: 0; }

.waterfall { display: grid; gap: 7px; margin-top: 20px; min-height: 126px; align-content: start; }
.wf-row { display: grid; grid-template-columns: minmax(0, 132px) minmax(0, 1fr) 52px; gap: 12px; align-items: center; font: 400 0.7rem/1 var(--font-mono); color: var(--subtle); }
.wf-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--muted); }
.wf-track { position: relative; height: 8px; border-radius: var(--radius-btn); background: color-mix(in srgb, var(--fg) 6%, transparent); overflow: hidden; }
.wf-bar { position: absolute; top: 0; bottom: 0; border-radius: inherit; background: var(--accent); transform-origin: left; animation: grow 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
.wf-bar.t-css { background: var(--accent-2); }
.wf-bar.t-js { background: var(--fg); }
.wf-bar.t-font { background: var(--subtle); }
[data-theme="brut"] .wf-track { border: 1.5px solid var(--fg); height: 11px; background: var(--surface); }
[data-theme="brut"] .wf-bar.t-css { background: var(--accent-2); }
[data-theme="brut"] .wf-bar.t-font { background: var(--surface-2); border-right: 1.5px solid var(--fg); }
.wf-time { text-align: right; font-variant-numeric: tabular-nums; }
@keyframes grow { from { transform: scaleX(0); } }

.tokens {
  position: absolute; left: clamp(-56px, -4vw, -20px); bottom: 0; width: min(330px, 78%);
  transform: rotate(-2deg);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.hero-panel:hover .tokens { transform: rotate(0deg) translateY(-4px); }
[data-theme="aurora"] .tokens { background: rgba(255, 255, 255, 0.86); }
.tokens .window-bar { height: 36px; }
.tokens pre { padding: 14px 16px 16px; font: 400 0.76rem/1.75 var(--font-mono); color: var(--muted); white-space: pre; overflow: hidden; }
.tokens code { font: inherit; }
.c-sel { color: var(--fg); }
.c-str, .c-prop { color: var(--accent-ink); }
[data-theme="brut"] .c-str, [data-theme="brut"] .c-prop { color: #c23800; }
.tokens [data-tok] { color: var(--fg); }
.sw { display: inline-block; width: 0.8em; height: 0.8em; margin-right: 0.5em; vertical-align: -0.06em; border-radius: 2px; border: 1px solid var(--line-strong); }

/* ---------- Hero entrance ---------- */
.js .rise { opacity: 0; transform: translateY(22px); animation: rise 1s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; }
.js .rise[data-rise="1"] { animation-delay: 0.08s; }
.js .rise[data-rise="2"] { animation-delay: 0.16s; }
.js .rise[data-rise="3"] { animation-delay: 0.3s; }
.js .rise[data-rise="4"] { animation-delay: 0.4s; }
@keyframes rise { to { opacity: 1; transform: none; } }
/* The headline is the largest paint: it slides but never hides, so it renders on the first frame. */
.js .hero-title .rise { opacity: 1; animation-name: rise-in; }
@keyframes rise-in { from { transform: translateY(18px); } to { transform: none; } }

/* ==========================================================================
   Marquee
   ========================================================================== */
.marquee {
  overflow: hidden; padding: 22px 0;
  border-block: var(--bw) solid var(--line);
  background: var(--tint);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
[data-theme="brut"] .marquee { -webkit-mask-image: none; mask-image: none; background: var(--fg); color: var(--bg); }
.marquee-track { display: flex; align-items: center; gap: 40px; width: max-content; animation: marquee 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-family: var(--font-display); font-weight: var(--display-weight); font-stretch: var(--display-stretch); text-transform: var(--display-transform); letter-spacing: -0.02em; font-size: calc(clamp(1.25rem, 1rem + 1vw, 1.75rem) * var(--ds2)); white-space: nowrap; color: var(--muted); }
[data-theme="brut"] .marquee span { color: var(--bg); }
.marquee i { width: 8px; height: 8px; flex: none; background: var(--accent); border-radius: 50%; }
[data-theme="paper"] .marquee i { width: 22px; height: 1px; border-radius: 0; }
[data-theme="terminal"] .marquee i, [data-theme="brut"] .marquee i { border-radius: 0; transform: rotate(45deg); }
@keyframes marquee { to { transform: translateX(calc(-50% - 20px)); } }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { position: relative; padding: clamp(80px, 10vw, 144px) 0; }
.section-tint { background: var(--tint); border-block: var(--bw) solid var(--line); }
[data-theme="brut"] .section-tint { --surface-2: #fff; }
[data-theme="brut"] .section-tint .lede, [data-theme="brut"] .section-tint .hint { color: var(--fg); }

.sec-head { display: grid; gap: 22px; max-width: 880px; }
.sec-head > .lede { margin-top: 4px; }

.split { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr); gap: clamp(40px, 7vw, 112px); align-items: start; }
.sticky { position: sticky; top: 120px; }

/* ---------- Scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   Services
   ========================================================================== */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: clamp(14px, 1.6vw, 20px); margin-top: clamp(44px, 5.5vw, 72px); }
.svc { grid-column: span 2; display: flex; flex-direction: column; overflow: hidden; transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.3s ease, box-shadow 0.3s ease; }
.svc:hover { border-color: var(--line-strong); }
.js .svc.reveal.in:hover { transform: translateY(-3px); }
[data-theme="brut"] .svc:hover { box-shadow: 9px 9px 0 var(--fg); }
.svc-wide { grid-column: span 3; }
.svc-full { grid-column: 1 / -1; }

.svc-body { position: relative; display: flex; flex-direction: column; gap: 12px; padding: clamp(22px, 2.6vw, 32px); flex: 1; }
.svc h3 { font-family: var(--font-display); font-weight: var(--h3-weight); font-stretch: var(--display-stretch); text-transform: var(--display-transform); font-size: calc(1.45rem * var(--ds2)); letter-spacing: -0.025em; line-height: 1.15; }
[data-theme="paper"] .svc h3 { font-size: 2rem; letter-spacing: -0.01em; }
.svc p { color: var(--muted); font-size: 0.98rem; line-height: 1.6; text-wrap: pretty; }
.svc-ico { width: 30px; height: 30px; margin-bottom: 10px; fill: none; stroke: var(--accent-ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
[data-theme="brut"] .svc-ico { width: 46px; height: 46px; padding: 8px; background: var(--surface-2); border: 2px solid var(--fg); stroke-width: 2; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 12px; }
.tags li { padding: 6px 12px; font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.02em; color: var(--muted); border: var(--bw) solid var(--line); border-radius: var(--radius-btn); }
[data-theme="brut"] .tags li { color: var(--fg); background: var(--bg); text-transform: uppercase; }

.svc-live { display: flex; align-items: center; gap: 9px; margin-top: auto; padding-top: 18px; border-top: var(--bw) solid var(--line); font: 400 0.76rem/1.4 var(--font-mono) !important; color: var(--subtle) !important; }
.svc-live i { width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--accent); }
.svc-live b { color: var(--fg); font-weight: 500; }

.svc-full .svc-body { flex-direction: row; align-items: center; justify-content: space-between; gap: 32px; }
.svc-full .svc-body > div { max-width: 46ch; display: grid; gap: 12px; }
.svc-full .tags { margin: 0; padding: 0; max-width: 460px; justify-content: flex-end; }

/* mini mock-ups, drawn in CSS so they re-theme with everything else */
.svc-visual {
  position: relative; display: grid; place-items: center; height: clamp(210px, 22vw, 270px); padding: 28px 28px 0;
  border-bottom: var(--bw) solid var(--line);
  background:
    radial-gradient(80% 90% at 50% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%),
    color-mix(in srgb, var(--fg) 2.5%, transparent);
  overflow: hidden;
}
[data-theme="brut"] .svc-visual { background: var(--surface-2); }
[data-theme="paper"] .svc-visual { background: var(--surface-2); }
.mock {
  width: min(100%, 420px); align-self: end; height: 100%;
  background: var(--bg); border: var(--bw) solid var(--line-strong); border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -20px 50px -30px color-mix(in srgb, var(--accent) 60%, transparent);
  overflow: hidden; transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform: translateY(10px);
}
[data-theme="aurora"] .mock { background: rgba(255, 255, 255, 0.9); }
.svc:hover .mock { transform: translateY(0); }
.mock-bar { display: flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px; border-bottom: var(--bw) solid var(--line); }
.mock-bar i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-strong); }
.mock-bar span { flex: 1; max-width: 150px; height: 10px; margin-inline: auto; border-radius: var(--radius-btn); background: color-mix(in srgb, var(--fg) 7%, transparent); }
.mock-body { padding: 14px 18px; }
.m-nav { display: flex; align-items: center; gap: 10px; }
.m-nav b { width: 14px; height: 14px; border-radius: calc(var(--radius) / 3); background: var(--fg); }
.m-nav span { width: 26px; height: 4px; border-radius: 4px; background: color-mix(in srgb, var(--fg) 18%, transparent); }
.m-nav span:first-of-type { margin-left: auto; }
.m-nav em { width: 38px; height: 14px; border-radius: var(--radius-btn); background: var(--accent); }
.m-hero { display: grid; gap: 7px; margin-top: 22px; }
.m-h1 { width: 74%; height: 13px; border-radius: 3px; background: var(--fg); }
.m-h1.short { width: 48%; background: var(--accent); }
[data-theme="midnight"] .m-h1.short, [data-theme="aurora"] .m-h1.short { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.m-p { width: 62%; height: 4px; margin-top: 5px; border-radius: 4px; background: color-mix(in srgb, var(--fg) 20%, transparent); }
.m-p.short { width: 44%; margin-top: 0; }
.m-cta { width: 62px; height: 18px; margin-top: 8px; border-radius: var(--radius-btn); background: var(--fg); }
.m-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 20px; }
.m-cols i { height: 70px; border: var(--bw) solid var(--line); border-radius: calc(var(--radius) / 1.6); background: color-mix(in srgb, var(--fg) 4%, transparent); }

.mock-app { display: grid; grid-template-columns: 78px 1fr; }
.a-side { display: grid; gap: 9px; align-content: start; padding: 14px 12px; border-right: var(--bw) solid var(--line); }
.a-side b { width: 16px; height: 16px; margin-bottom: 8px; border-radius: calc(var(--radius) / 3); background: var(--accent); }
.a-side span { height: 5px; border-radius: 4px; background: color-mix(in srgb, var(--fg) 16%, transparent); }
.a-side span.on { background: var(--fg); width: 80%; }
.a-main { padding: 14px; display: grid; grid-template-rows: auto 1fr; gap: 12px; min-height: 0; }
.a-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.a-stats i { height: 38px; border: var(--bw) solid var(--line); border-radius: calc(var(--radius) / 1.6); background: color-mix(in srgb, var(--fg) 4%, transparent); position: relative; }
.a-stats i::before { content: ""; position: absolute; left: 8px; top: 9px; width: 40%; height: 4px; border-radius: 4px; background: color-mix(in srgb, var(--fg) 22%, transparent); }
.a-stats i::after { content: ""; position: absolute; left: 8px; bottom: 9px; width: 58%; height: 7px; border-radius: 3px; background: var(--fg); }
.a-stats i:first-child::after { background: var(--accent); }
.a-chart { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; align-items: end; height: 120px; padding: 12px 10px 0; border: var(--bw) solid var(--line); border-bottom: 0; border-radius: calc(var(--radius) / 1.6) calc(var(--radius) / 1.6) 0 0; }
.a-chart i { border-radius: 2px 2px 0 0; background: color-mix(in srgb, var(--accent) 38%, transparent); height: var(--h, 40%); transform-origin: bottom; transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
[data-theme="brut"] .a-chart i { background: var(--fg); }
.a-chart i:nth-child(1) { --h: 28%; } .a-chart i:nth-child(2) { --h: 40%; } .a-chart i:nth-child(3) { --h: 34%; }
.a-chart i:nth-child(4) { --h: 52%; } .a-chart i:nth-child(5) { --h: 46%; } .a-chart i:nth-child(6) { --h: 63%; }
.a-chart i:nth-child(7) { --h: 58%; } .a-chart i:nth-child(8) { --h: 72%; } .a-chart i:nth-child(9) { --h: 66%; }
.a-chart i:nth-child(10) { --h: 84%; } .a-chart i:nth-child(11) { --h: 78%; } .a-chart i:nth-child(12) { --h: 96%; background: var(--accent); }
.svc:hover .a-chart i:nth-child(even) { transform: scaleY(1.12); }

/* ==========================================================================
   Themes showcase
   ========================================================================== */
.themes-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.themes-action { display: grid; justify-items: center; gap: 14px; padding-bottom: 6px; }
.hint { font-size: 0.82rem; color: var(--subtle); display: inline-flex; align-items: center; gap: 0.5em; }

.theme-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(12px, 1.4vw, 18px); margin-top: clamp(44px, 5.5vw, 72px); }
.theme-card {
  position: relative; display: grid; gap: 0; text-align: left;
  background: var(--bg); color: var(--fg); font-family: var(--font-body);
  border: var(--bw) solid var(--line-strong); border-radius: var(--radius-lg);
  overflow: hidden; isolation: isolate;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s ease;
  box-shadow: 0 20px 40px -30px rgba(0, 0, 0, 0.5);
}
.theme-card[data-theme="aurora"] { background: linear-gradient(140deg, #ffe3f0, #e6e4ff 45%, #dff7f3); }
.theme-card[data-theme="brut"] { box-shadow: 5px 5px 0 #0c0c0c; }
.theme-card:hover { transform: translateY(-6px); }
.tc-preview { display: grid; gap: 12px; padding: 16px 18px 20px; min-height: 190px; align-content: start; }
.tc-dots { display: flex; gap: 5px; }
.tc-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.tc-h { margin-top: 6px; font-family: var(--font-display); font-weight: var(--display-weight); font-stretch: var(--display-stretch); font-size: calc(3.4rem * var(--ds2)); line-height: 1; letter-spacing: var(--display-tracking); text-transform: var(--display-transform); text-shadow: var(--text-glow); }
.tc-lines { display: grid; gap: 6px; }
.tc-lines i { height: 5px; border-radius: 5px; background: color-mix(in srgb, var(--fg) 22%, transparent); }
.tc-lines i:last-child { width: 62%; }
.tc-btn { justify-self: start; margin-top: 4px; padding: 7px 13px; font-size: 0.72rem; font-weight: 600; line-height: 1; background: var(--btn-bg); color: var(--btn-fg); border: var(--bw) solid var(--btn-border); border-radius: var(--radius-btn); box-shadow: var(--btn-shadow); }
.theme-card[data-theme="brut"] .tc-btn { text-transform: uppercase; box-shadow: 3px 3px 0 #0c0c0c; }
.tc-meta { display: grid; gap: 4px; padding: 14px 18px 16px; border-top: var(--bw) solid var(--line); background: var(--surface); }
.tc-meta b { font-size: 0.95rem; font-weight: 600; }
.tc-meta small { font-size: 0.78rem; color: var(--muted); line-height: 1.35; }
.theme-card::after {
  content: "Current"; position: absolute; top: 12px; right: 12px; padding: 5px 9px;
  font: 600 0.62rem/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent); color: var(--on-accent); border-radius: var(--radius-btn);
  opacity: 0; transform: translateY(-4px); transition: opacity 0.3s ease, transform 0.3s ease;
}
.theme-card[aria-pressed="true"]::after { opacity: 1; transform: none; }
.theme-card[aria-pressed="true"] { outline: 2px solid var(--accent); outline-offset: 4px; }

/* ==========================================================================
   Approach
   ========================================================================== */
.principles { display: grid; }
.principles li { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 16px; padding: clamp(26px, 3.2vw, 40px) 0; border-top: var(--bw) solid var(--line); }
.principles li:last-child { border-bottom: var(--bw) solid var(--line); }
.p-num { font: 500 0.8rem/1 var(--font-mono); color: var(--accent-ink); padding-top: 0.75em; letter-spacing: 0.06em; }
.principles h3 { font-family: var(--font-display); font-weight: var(--h3-weight); font-stretch: var(--display-stretch); text-transform: var(--display-transform); font-size: calc(clamp(1.6rem, 1.2rem + 1.4vw, 2.3rem) * var(--ds2)); letter-spacing: -0.03em; line-height: 1.1; text-shadow: var(--text-glow); }
[data-theme="paper"] .principles h3 { letter-spacing: -0.01em; }
.principles p { margin-top: 12px; color: var(--muted); max-width: 52ch; text-wrap: pretty; }

/* ==========================================================================
   Process
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 36px); margin-top: clamp(48px, 6vw, 84px); counter-reset: none; }
.steps li { position: relative; padding-top: 34px; border-top: var(--bw) solid var(--line-strong); }
.steps li::before {
  content: ""; position: absolute; top: calc(-5px - var(--bw) / 2); left: 0; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 20%, transparent);
}
[data-theme="brut"] .steps li::before, [data-theme="terminal"] .steps li::before, [data-theme="paper"] .steps li::before { border-radius: 0; box-shadow: none; }
[data-theme="brut"] .steps li::before { width: 16px; height: 16px; top: -9px; border: 2px solid var(--fg); }
.step-n { font: 500 0.75rem/1 var(--font-mono); color: var(--subtle); letter-spacing: 0.08em; }
[data-theme="brut"] .step-n { color: var(--fg); }
.steps h3 { margin-top: 14px; font-family: var(--font-display); font-weight: var(--h3-weight); font-stretch: var(--display-stretch); text-transform: var(--display-transform); font-size: calc(1.5rem * var(--ds2)); letter-spacing: -0.025em; line-height: 1.15; }
[data-theme="paper"] .steps h3 { font-size: 2.1rem; letter-spacing: -0.01em; }
.steps p { margin-top: 12px; color: var(--muted); font-size: 0.94rem; line-height: 1.6; text-wrap: pretty; }
[data-theme="brut"] .steps p { color: var(--fg); }
.steps li:nth-child(2) { --d: 0.07s; } .steps li:nth-child(3) { --d: 0.14s; } .steps li:nth-child(4) { --d: 0.21s; } .steps li:nth-child(5) { --d: 0.28s; }

/* ==========================================================================
   Toolkit
   ========================================================================== */
.stack { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(44px, 5.5vw, 72px); border-top: var(--bw) solid var(--line-strong); }
.stack > div { padding: 28px clamp(16px, 2vw, 28px) 8px; border-left: var(--bw) solid var(--line); }
.stack > div:first-child { border-left: 0; padding-left: 0; }
.stack h3 { font: 500 0.75rem/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-ink); }
.stack ul { margin-top: 22px; display: grid; }
.stack li { padding: 13px 0; border-bottom: var(--bw) solid var(--line); font-size: 1.02rem; transition: padding-left 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), color 0.2s ease; color: var(--muted); }
.stack li:last-child { border-bottom: 0; }
.stack li:hover { padding-left: 8px; color: var(--fg); }
[data-theme="paper"] .stack li { font-family: var(--font-display); font-size: 1.4rem; line-height: 1.2; color: var(--fg); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { display: grid; }
.faq details { border-top: var(--bw) solid var(--line-strong); }
.faq details:last-child { border-bottom: var(--bw) solid var(--line-strong); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: var(--h3-weight); font-stretch: var(--display-stretch); font-size: calc(clamp(1.15rem, 1rem + 0.5vw, 1.4rem) * max(var(--ds2), 0.9)); letter-spacing: -0.02em; line-height: 1.25;
  transition: color 0.2s ease;
}
[data-theme="paper"] .faq summary { font-size: 1.7rem; letter-spacing: -0.005em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--accent-ink); }
.faq summary::after {
  content: ""; width: 34px; height: 34px; flex: none; border: var(--bw) solid var(--line-strong); border-radius: var(--radius-btn);
  background:
    linear-gradient(currentColor, currentColor) center / 12px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1.5px 12px no-repeat;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), background-size 0.3s ease;
}
.faq details[open] summary::after { transform: rotate(180deg); background-size: 12px 1.5px, 1.5px 0; }
[data-theme="brut"] .faq summary::after { background-color: var(--surface); }
[data-theme="brut"] .faq details[open] summary::after { background-color: var(--accent); }
.faq details p { padding: 0 58px 28px 0; color: var(--muted); max-width: 60ch; text-wrap: pretty; }
[data-theme="brut"] .faq details p { color: var(--fg); }
.faq details::details-content { opacity: 0; transition: opacity 0.4s ease, content-visibility 0.4s allow-discrete; }
.faq details[open]::details-content { opacity: 1; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr); gap: clamp(36px, 6vw, 88px);
  padding: clamp(28px, 5vw, 72px); overflow: hidden; isolation: isolate;
  box-shadow: var(--shadow-pop);
}
.contact::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 80% at 0% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(50% 70% at 100% 100%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 70%);
}
[data-theme="paper"] .contact::after, [data-theme="brut"] .contact::after { display: none; }
[data-theme="paper"] .contact { border-color: var(--fg); }
.contact-copy { display: grid; gap: 22px; align-content: start; }
.contact-copy h2 { font-size: calc(clamp(2.1rem, 1.05rem + 3.4vw, 3.6rem) * var(--ds2)); }
.contact-mail {
  display: inline-flex; align-items: center; gap: 12px; justify-self: start; margin-top: 10px; padding-bottom: 6px;
  font-family: var(--font-display); font-weight: var(--h3-weight); font-stretch: var(--display-stretch); font-size: calc(clamp(1.3rem, 1rem + 1.2vw, 1.9rem) * var(--ds2)); letter-spacing: -0.025em;
  border-bottom: max(var(--bw), 1.5px) solid var(--line-strong); transition: border-color 0.25s ease, color 0.25s ease;
}
.contact-mail:hover { border-color: var(--accent-ink); color: var(--accent-ink); }
.contact-mail .ico { transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); }
.contact-mail:hover .ico { transform: translate(3px, -3px); }

.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; align-content: start; }
.field { display: grid; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field label { font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.field label span { text-transform: none; letter-spacing: 0; color: var(--subtle); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; font-size: 1rem; line-height: 1.4;
  background-color: color-mix(in srgb, var(--bg) 70%, transparent); color: var(--fg);
  border: var(--bw) solid var(--line-strong); border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none; appearance: none;
}
[data-theme="aurora"] .field input, [data-theme="aurora"] .field select, [data-theme="aurora"] .field textarea { background-color: rgba(255, 255, 255, 0.75); }
[data-theme="brut"] .field input, [data-theme="brut"] .field select, [data-theme="brut"] .field textarea { background-color: var(--bg); }
.field textarea { resize: vertical; min-height: 120px; }
.field select {
  padding-right: 44px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%; background-size: 6px 6px; background-repeat: no-repeat;
}
.field select option { background: var(--bg); color: var(--fg); }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--fg); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-ink); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 24%, transparent); }
.field [aria-invalid="true"] { border-color: #e5484d; box-shadow: 0 0 0 4px rgba(229, 72, 77, 0.18); }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 6px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { padding: clamp(56px, 7vw, 96px) 0 28px; border-top: var(--bw) solid var(--line); overflow: hidden; }
.footer-top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 48px; }
.footer-brand p { margin-top: 16px; color: var(--muted); font-size: 0.95rem; }
.footer-nav { display: grid; grid-template-columns: repeat(3, auto); gap: clamp(32px, 6vw, 88px); }
.footer-nav div { display: grid; gap: 12px; align-content: start; }
.footer-nav h3 { font: 500 0.72rem/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--subtle); margin-bottom: 6px; }
.footer-nav a { font-size: 0.95rem; color: var(--muted); transition: color 0.2s ease; width: fit-content; }
.footer-nav a:hover { color: var(--fg); }

.wordmark {
  margin: clamp(40px, 6vw, 80px) 0 0; user-select: none;
  font-family: var(--font-display); font-weight: var(--display-weight); font-stretch: var(--display-stretch);
  font-size: calc(clamp(5rem, 27vw, 23rem) * var(--ds)); line-height: 0.8; letter-spacing: -0.05em; text-align: center; white-space: nowrap;
  color: transparent; background: var(--wordmark); -webkit-background-clip: text; background-clip: text;
  padding-bottom: 0.06em;
}
[data-theme="paper"] .wordmark { letter-spacing: -0.02em; font-size: clamp(5rem, 31vw, 27rem); }
[data-theme="terminal"] .wordmark { font-size: clamp(4rem, 23vw, 19rem); }
[data-theme="brut"] .wordmark { font-size: clamp(3.4rem, 20.5vw, 17.5rem); }

.footer-base { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; margin-top: 28px; padding-top: 22px; border-top: var(--bw) solid var(--line); font-size: 0.82rem; color: var(--subtle); }
.footer-theme { color: var(--muted); font: 500 0.78rem/1 var(--font-mono); padding: 8px 12px; border: var(--bw) solid var(--line); border-radius: var(--radius-btn); transition: border-color 0.2s ease, color 0.2s ease; }
.footer-theme:hover { border-color: var(--fg); color: var(--fg); }

/* ==========================================================================
   Toast
   ========================================================================== */
.toast {
  position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); z-index: 95;
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px 10px 12px;
  font-size: 0.88rem; font-weight: 500; white-space: nowrap;
  background: var(--fg); color: var(--bg);
  border: var(--bw) solid var(--fg); border-radius: var(--radius-btn);
  box-shadow: 0 20px 50px -18px rgba(0, 0, 0, 0.6);
  opacity: 0; transform: translate(-50%, 16px) scale(0.96); pointer-events: none;
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast .theme-swatch { border-color: color-mix(in srgb, var(--bg) 40%, transparent); }

/* ==========================================================================
   Theme switch: circular reveal via the View Transitions API
   ========================================================================== */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .theme-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 48px; }
  .svc-full .svc-body { flex-direction: column; align-items: flex-start; }
  .svc-full .tags { justify-content: flex-start; max-width: none; }
}

@media (max-width: 940px) {
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0; margin: 0; padding: 12px clamp(20px, 4vw, 48px) 24px;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: var(--bw) solid var(--line);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.25s;
  }
  [data-theme="aurora"] .nav-links { background: #f6f3ff; }
  .menu-open .nav-links { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { padding: 16px 0; font-size: 1.15rem; color: var(--fg); border-radius: 0; border-bottom: var(--bw) solid var(--line); }
  .nav-links a:hover { background: none; }
  .nav-actions { margin-left: auto; }
  .menu-btn { display: block; }

  .hero-cols, .split, .contact, .themes-head { grid-template-columns: minmax(0, 1fr); }
  .themes-action { justify-items: start; }
  .sticky { position: static; }
  .tokens { left: auto; right: -6px; }
  .svc, .svc-wide { grid-column: span 3; }
  .stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stack > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .stack > div:nth-child(n + 3) { border-top: var(--bw) solid var(--line-strong); margin-top: 20px; }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { justify-content: start; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .nav-inner { height: 64px; gap: 12px; }
  .nav-cta, .theme-btn-count { display: none; }
  .theme-btn { padding: 0 12px 0 9px; }
  .hero { padding-top: 112px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .vitals-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vital:nth-child(3) { border-left: 0; }
  .vital:nth-child(n + 3) { border-top: var(--bw) solid var(--line); }
  .wf-row { grid-template-columns: minmax(0, 96px) minmax(0, 1fr) 46px; gap: 8px; }
  .tokens { position: relative; right: auto; width: 100%; margin-top: 16px; transform: none; }
  .hero-panel { padding-bottom: 0; }
  .hero-panel:hover .tokens { transform: none; }
  .svc, .svc-wide { grid-column: 1 / -1; }
  .theme-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .theme-card:last-child { grid-column: 1 / -1; }
  .tc-preview { min-height: 160px; }
  .steps { grid-template-columns: minmax(0, 1fr); row-gap: 36px; }
  .principles li { grid-template-columns: 44px minmax(0, 1fr); }
  .stack { grid-template-columns: minmax(0, 1fr); }
  .stack > div { border-left: 0; padding-left: 0; }
  .stack > div:nth-child(n + 2) { border-top: var(--bw) solid var(--line-strong); margin-top: 20px; }
  .contact-form { grid-template-columns: minmax(0, 1fr); }
  .field { grid-column: 1 / -1; }
  .faq details p { padding-right: 0; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  .marquee-track { animation: none; }
  .js .rise, .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .toast, .marquee, body::after { display: none; }
  .js .rise, .js .reveal { opacity: 1; transform: none; animation: none; }
}