/* ============================================================
   JUST BUNDLE — Design System
   "It's just a bundle." — degen humor, near.org-grade craft
   light theme · warm paper · purposeful glass
   ============================================================ */

:root {
  /* ---- palette (oklch) ---- */
  --ink:        oklch(0.26 0.02 65);
  --ink-soft:   oklch(0.44 0.02 65);
  --ink-faint:  oklch(0.58 0.018 70);

  --paper:      oklch(0.955 0.02 92);          /* warm cream */
  --paper-2:    oklch(0.93 0.025 90);

  --wick:       oklch(0.60 0.155 155);         /* candle green */
  --wick-deep:  oklch(0.48 0.13 155);
  --wick-soft:  oklch(0.60 0.155 155 / 0.14);

  --rug:        oklch(0.575 0.21 27);          /* rug candle red */
  --rug-deep:   oklch(0.47 0.18 27);
  --rug-soft:   oklch(0.575 0.21 27 / 0.12);

  --signal:     var(--rug);                    /* alias: primary accent */
  --signal-deep:var(--rug-deep);
  --signal-soft:var(--rug-soft);

  --hay:        oklch(0.82 0.11 88);           /* straw, bundle band */

  /* ---- glass ---- */
  --glass-bg:      color-mix(in oklch, white 55%, transparent);
  --glass-bg-hi:   color-mix(in oklch, white 74%, transparent);
  --glass-line:    oklch(1 0 0 / 0.75);
  --glass-edge:    oklch(0.26 0.02 65 / 0.09);
  --glass-blur:    blur(20px) saturate(1.45);
  --glass-shadow:  0 1px 0 oklch(1 0 0 / 0.9) inset,
                   0 20px 50px -18px oklch(0.30 0.03 70 / 0.25),
                   0 4px 14px -6px oklch(0.30 0.03 70 / 0.10);

  /* ---- type ---- */
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body:    "Hanken Grotesk", sans-serif;
  --font-mono:    "Fragment Mono", monospace;

  --step--1: 0.8125rem;
  --step-0:  1rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: clamp(2rem, 4vw, 2.75rem);
  --step-4: clamp(2.6rem, 6vw, 4.5rem);
  --step-5: clamp(3.4rem, 9vw, 7rem);

  /* ---- space (4pt) ---- */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 7rem;

  --radius:   18px;
  --radius-lg: 28px;
  --maxw: 1180px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* atmosphere: warm wash + faint graph paper + one ominous red glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(55% 45% at 85% -5%, oklch(0.575 0.21 27 / 0.08), transparent 70%),
    radial-gradient(55% 45% at 5% 15%, oklch(0.60 0.155 155 / 0.10), transparent 70%),
    radial-gradient(50% 40% at 55% 108%, oklch(0.82 0.11 88 / 0.35), transparent 70%),
    var(--paper);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(oklch(0.26 0.02 65 / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(0.26 0.02 65 / 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 50% 0%, black 25%, transparent 80%);
  pointer-events: none;
}

::selection { background: var(--wick); color: white; }

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
}

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

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.wrap { width: min(var(--maxw), calc(100% - 3rem)); margin-inline: auto; }

/* ---------- glass primitives ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-line);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius);
}
.glass--hi { background: var(--glass-bg-hi); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), background 0.25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn--solid {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 10px 24px -10px oklch(0.26 0.03 65 / 0.5);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 16px 32px -12px oklch(0.26 0.03 65 / 0.55); }

.btn--glass {
  background: var(--glass-bg-hi);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-line);
  color: var(--ink);
  box-shadow: var(--glass-shadow);
}
.btn--glass:hover { transform: translateY(-2px); }

.btn--signal {
  background: var(--wick);
  color: white;
  box-shadow: 0 10px 26px -10px oklch(0.60 0.155 155 / 0.6);
}
.btn--signal:hover { transform: translateY(-2px); background: var(--wick-deep); }

/* ---------- eyebrow / section label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--rug);
  box-shadow: 0 0 0 3px var(--rug-soft);
}

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 1rem; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(var(--maxw), calc(100% - 2rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.7rem 0.6rem 1.2rem;
  border-radius: 999px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-line);
  box-shadow: var(--glass-shadow);
}
.nav__logo {
  display: flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.04em;
}
.nav__links { display: flex; align-items: center; gap: 1.6rem; }
.nav__links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--ink); }
.nav .btn { padding: 0.55rem 1.2rem; font-size: 0.85rem; }
@media (max-width: 720px) {
  .nav__links { display: none; }
}