/* =========================================================================
   AVOCADO — DESIGN TOKENS (DARK · HAUTE COUTURE HIGH TECH)
   A "Atelier"  — onyx + champagne gold, serif display, couture
   B "Lab"      — carbon + electric avocado, geometric, hi-tech
   ========================================================================= */

:root {
  /* default to direction A — Atelier (onyx + gold) */
  --bg:        #0a0907;
  --bg-2:      #100e0b;
  --paper:     #14110d;            /* card surface */
  --paper-hi:  #1a1612;            /* elevated card */
  --ink:       #f5ecd9;            /* warm bone */
  --ink-2:     #b9ad94;
  --ink-3:     #6e6553;
  --line:      rgba(245,236,217,.08);
  --line-2:    rgba(245,236,217,.16);
  --accent:    #d4b16a;            /* champagne gold */
  --accent-2:  #b88a3e;            /* deeper gold */
  --accent-ink:#0a0907;
  --logo-color:#caa75c;            /* gold-leaf wordmark */
  --hairline:  rgba(245,236,217,.10);
  --selection: rgba(212,177,106,.35);

  --glow-accent: 0 0 0 1px rgba(212,177,106,.18), 0 14px 50px -16px rgba(212,177,106,.45);
  --shadow-soft: 0 1px 0 rgba(255,255,255,.03) inset, 0 24px 60px -32px rgba(0,0,0,.9);

  --display: 'Cormorant Garamond', 'Instrument Serif', Georgia, serif;
  --body:    'Manrope', ui-sans-serif, system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --display-italic: italic;
  --display-weight: 500;
  --display-tracking: -0.018em;
  --body-tracking: -0.005em;
  --label-tracking: 0.22em;

  --fs-display: clamp(60px, 9vw, 148px);
  --fs-h1:      clamp(40px, 5.4vw, 80px);
  --fs-h2:      clamp(28px, 3.4vw, 48px);
  --fs-h3:      clamp(22px, 2vw, 28px);
  --fs-body:    17px;
  --fs-small:   14px;
  --fs-mono:    12px;

  --pad-section: clamp(64px, 9vw, 140px);
  --pad-edge:    clamp(20px, 4vw, 56px);
  --gap-row:     clamp(40px, 5vw, 80px);

  --radius:    0px;
  --radius-2:  4px;

  --motion-fast: 240ms cubic-bezier(.2,.7,.2,1);
  --motion:      560ms cubic-bezier(.2,.7,.2,1);

  color-scheme: dark;
}

/* ---------- Direction B: Lab (carbon + electric avocado) ---------- */
[data-direction="b"] {
  --bg:        #07070a;
  --bg-2:      #0d0d11;
  --paper:     #101015;
  --paper-hi:  #16161c;
  --ink:       #ecedf2;
  --ink-2:     #a4a6b2;
  --ink-3:     #62646e;
  --line:      rgba(236,237,242,.08);
  --line-2:    rgba(236,237,242,.18);
  --accent:    #b9ff3c;            /* electric avocado */
  --accent-2:  #91e216;
  --accent-ink:#0a0a0a;
  --logo-color:#b9ff3c;
  --hairline:  rgba(236,237,242,.10);
  --selection: rgba(185,255,60,.30);

  --glow-accent: 0 0 0 1px rgba(185,255,60,.30), 0 16px 60px -12px rgba(185,255,60,.55);
  --shadow-soft: 0 0 0 1px rgba(255,255,255,.04) inset, 0 30px 80px -36px rgba(0,0,0,.85);

  --display: 'Geist', 'Inter Tight', ui-sans-serif, system-ui, sans-serif;
  --body:    'Geist', 'Inter Tight', ui-sans-serif, system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;

  --display-italic: normal;
  --display-weight: 600;
  --display-tracking: -0.045em;
  --body-tracking: -0.011em;
  --label-tracking: 0.08em;

  --fs-display: clamp(56px, 8.4vw, 132px);
  --fs-h1:      clamp(38px, 4.6vw, 68px);
  --fs-h2:      clamp(28px, 2.9vw, 40px);
  --fs-h3:      clamp(20px, 1.8vw, 24px);
}

/* ---------- Palette variants ---------- */
[data-palette="onyx-gold"]    { /* default A */ }
[data-palette="ink-rose"] {
  --bg:#0a0606; --bg-2:#120a0a; --paper:#170d0d; --accent:#e6b8a3; --accent-2:#b88a76; --logo-color:#d8a48f;
  --selection: rgba(230,184,163,.30); --glow-accent: 0 0 0 1px rgba(230,184,163,.18), 0 14px 50px -16px rgba(230,184,163,.4);
}
[data-palette="onyx-bone"] {
  --bg:#08080a; --bg-2:#0f0f12; --paper:#141418; --accent:#f3ead4; --accent-2:#d6c89e; --accent-ink:#0a0907; --logo-color:#e7dec5;
  --selection: rgba(243,234,212,.25);
}

[data-direction="b"][data-palette="carbon-volt"]   { /* default B */ }
[data-direction="b"][data-palette="ink-cyan"] {
  --accent:#00e7ff; --accent-2:#00b8cc; --logo-color:#00e7ff;
  --selection: rgba(0,231,255,.28); --glow-accent: 0 0 0 1px rgba(0,231,255,.30), 0 16px 60px -12px rgba(0,231,255,.55);
}
[data-direction="b"][data-palette="ink-amber"] {
  --accent:#ffb547; --accent-2:#cc8a2b; --logo-color:#ffb547;
  --selection: rgba(255,181,71,.28); --glow-accent: 0 0 0 1px rgba(255,181,71,.30), 0 16px 60px -12px rgba(255,181,71,.55);
}

/* ---------- Typography pairings ---------- */
[data-typography="serif-sans"] { /* default A */ }
[data-typography="serif-mono"] {
  --body:'JetBrains Mono', ui-monospace, monospace; --body-tracking:-.005em; --fs-body:15px;
}
[data-typography="sans-mono"]  {
  --display:'Geist', 'Inter Tight', ui-sans-serif, system-ui, sans-serif;
  --body:'Geist', ui-sans-serif, system-ui, sans-serif;
  --display-italic:normal; --display-weight:600; --display-tracking:-.04em;
}
[data-typography="serif-display-only"] {
  --display: 'Cormorant Garamond', 'Instrument Serif', Georgia, serif;
  --body: 'Manrope', ui-sans-serif, sans-serif;
}

/* ---------- Density ---------- */
[data-density="tight"]    { --pad-section: clamp(48px, 6vw, 96px);  --gap-row: clamp(32px, 4vw, 56px); --fs-body:16px; }
[data-density="regular"]  { /* defaults */ }
[data-density="spacious"] { --pad-section: clamp(80px, 11vw, 180px); --gap-row: clamp(56px, 7vw, 112px); --fs-body:18px; }

/* ---------- Motion levels ---------- */
[data-motion="off"] *, [data-motion="off"] *::before, [data-motion="off"] *::after {
  animation-duration: 0s !important; transition-duration: 0s !important;
}
[data-motion="lively"] { --motion: 720ms cubic-bezier(.16,1,.3,1); }

/* =========================================================================
   BASE
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; background: var(--bg); }
body {
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--fs-body)/1.55 var(--body);
  letter-spacing: var(--body-tracking);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background var(--motion), color var(--motion);
}

/* couture grain overlay */
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image:
    radial-gradient(rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: screen; opacity: .8;
}
[data-direction="b"] body::before {
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

::selection { background: var(--selection); color: var(--ink); }

a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.brand-mark {
  display: inline-block;
  background-color: var(--logo-color);
  -webkit-mask: url(avocado-logo-wordmark.svg) center/contain no-repeat;
          mask: url(avocado-logo-wordmark.svg) center/contain no-repeat;
  transition: background-color var(--motion);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--display);
  font-weight: var(--display-weight);
  line-height: 0.98;
  letter-spacing: var(--display-tracking);
  color: var(--ink);
  text-wrap: balance;
}
.serif-italic { font-style: var(--display-italic); }

/* =========================================================================
   PRIMITIVES
   ========================================================================= */
.shell { padding-inline: var(--pad-edge); }

.eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--accent);
}
[data-direction="b"] .eyebrow { color: var(--accent); }

.meta {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
}

.hr { border: 0; border-top: 1px solid var(--line); width: 100%; }
.thinrule { border: 0; border-top: 1px solid var(--hairline); }

.arrow {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1em; height: 1em; vertical-align: -0.06em;
}

/* underline link */
.ulink {
  position: relative; padding-bottom: 2px;
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1px;
  transition: background-size var(--motion-fast), color var(--motion-fast);
}
.ulink:hover { background-size: 0 1px; color: var(--accent); }

/* button */
.btn {
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 16px 26px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-2);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  transition: transform var(--motion-fast), background var(--motion-fast), color var(--motion-fast), box-shadow var(--motion-fast);
}
.btn:hover { transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--line-2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  box-shadow: var(--glow-accent);
}
.btn-accent:hover { background: var(--accent-2); border-color: var(--accent-2); color: var(--accent-ink); }

[data-direction="b"] .btn { border-radius: 6px; letter-spacing: 0.04em; }

/* numbered marker */
.num {
  font-family: var(--mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

/* =========================================================================
   REVEAL / MOTION
   ========================================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--motion), transform var(--motion); }
.reveal.in { opacity: 1; transform: translateY(0); }
[data-motion="off"] .reveal { opacity: 1; transform: none; }

@keyframes marquee {
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-50%,0,0); }
}

@keyframes shimmer {
  0%,100% { opacity: .35; }
  50%     { opacity: 1; }
}

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 18px var(--pad-edge);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.site-header .nav-l, .site-header .nav-r {
  display: flex; align-items: center; gap: clamp(14px, 1.6vw, 28px);
}
.site-header .nav-r { justify-content: flex-end; }
.site-header a { font-size: 13px; color: var(--ink-2); transition: color var(--motion-fast); letter-spacing: 0.02em; }
.site-header a:hover { color: var(--accent); }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo svg { height: 22px; width: auto; }
.brand-logo .brand-mark { color: var(--logo-color); }

.site-header .header-cta {
  display: inline-flex; align-items: center; gap: 0.4em;
  padding: 9px 16px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink) !important;
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: transform var(--motion-fast), box-shadow var(--motion-fast);
  box-shadow: var(--glow-accent);
}
[data-direction="b"] .site-header .header-cta { border-radius: 6px; }
.site-header .header-cta:hover { transform: translateY(-1px); }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer { border-top: 1px solid var(--line); padding: 80px var(--pad-edge) 36px; background: var(--bg-2); }

/* =========================================================================
   UTILITY
   ========================================================================= */
.col-rule { border-left: 1px solid var(--hairline); padding-left: clamp(20px, 2vw, 32px); }
.tabular { font-variant-numeric: tabular-nums; }

.placeholder {
  position: relative; width: 100%;
  background: repeating-linear-gradient(135deg,
    color-mix(in srgb, var(--ink) 6%, transparent) 0 1px, transparent 1px 14px);
  background-color: var(--bg-2);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--line);
}
[data-direction="b"] .placeholder { border-radius: 4px; }

/* main z-index above grain */
.root, main, .site-header, .site-footer { position: relative; z-index: 2; }