/* ============================================================
   TNT — base.css
   Reset · tokens · typography · shared primitives
   ============================================================ */

:root {
  /* color */
  --navy-950: #050505;
  --navy-900: #0B0B0B;
  --navy-800: #111111;
  --panel:    #151515;
  --line:     #262626;
  --line-soft:rgba(192, 198, 206, 0.12);
  --white:    #F5F7FA;
  --silver:   #C0C6CE;
  --silver-dim:#8B93A0;
  --gold:     #D4AF37;
  --gold-2:   #C9A227;
  --gold-soft:rgba(212, 175, 55, 0.14);
  --gold-line:rgba(212, 175, 55, 0.32);

  /* type */
  --font-display: "Chakra Petch", "Space Grotesk", sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "IBM Plex Mono", monospace;

  /* metrics */
  --nav-h: 72px;
  --max-w: 1360px;
  --gutter: clamp(20px, 4vw, 56px);

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

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  background: var(--navy-900);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, output { font: inherit; color: inherit; }
section { scroll-margin-top: calc(var(--nav-h) + 8px); }
::selection { background: var(--gold); color: var(--navy-950); }

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- shared primitives ---------- */

/* display type */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* eyebrow / labels */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(0.9rem, 2.3vw, 2.1rem);
  letter-spacing: 0.1em;
  color: var(--silver);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
}
.eyebrow .tick {
  display: inline-block;
  width: 22px; height: 1px;
  background: var(--gold);
}

/* hero brand line — holographic gold */
.eyebrow-brand { gap: 24px; }
.eyebrow-brand .tick {
  flex: 1;
  width: auto;
  background: linear-gradient(90deg, transparent, var(--gold-line), transparent);
}
.eyebrow-brand .eb-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 2.4rem);
  letter-spacing: 0.14em;
  white-space: nowrap;
  background: linear-gradient(
    105deg,
    #8f6f1d 0%,
    var(--gold) 20%,
    #fdf0b8 38%,
    #fffbe9 50%,
    #f4e2a2 62%,
    var(--gold) 80%,
    #8f6f1d 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: holo-sheen 7s ease-in-out infinite;
  filter:
    drop-shadow(0 2px 18px rgba(212, 175, 55, 0.38))
    drop-shadow(0 0 4px rgba(212, 175, 55, 0.22));
}
@keyframes holo-sheen {
  0%, 100% { background-position: 0% 0; }
  50%      { background-position: 100% 0; }
}

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 30px;
  border: 1px solid transparent;
  transition: box-shadow 0.35s var(--ease-out),
              background 0.35s var(--ease-out),
              border-color 0.35s var(--ease-out),
              transform 0.35s var(--ease-out),
              color 0.35s var(--ease-out);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(180deg, #E3C35A, var(--gold-2));
  color: var(--navy-950);
  border-color: rgba(255, 235, 170, 0.55);
  box-shadow: 0 0 0 rgba(212, 175, 55, 0);
}
.btn-gold:hover {
  box-shadow: 0 0 26px rgba(212, 175, 55, 0.38), 0 0 60px rgba(212, 175, 55, 0.14);
  transform: translateY(-1px);
}
.btn-gold:active { transform: translateY(0); }

.btn-ghost {
  color: var(--silver);
  border-color: var(--line-soft);
  background: rgba(16, 16, 16, 0.35);
}
.btn-ghost:hover {
  color: var(--white);
  border-color: var(--gold-line);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.12);
}

.btn-sm { padding: 12px 20px; font-size: 15px; }
.btn-wide { padding: 18px 34px; }

/* scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.reveal.d5 { transition-delay: 0.4s; }

/* ---------- mobile compaction ---------- */
@media (max-width: 680px) {
  html, body { overflow-x: clip; }
  body { font-size: 15.5px; }
  .btn { font-size: 13.5px; padding: 14px 22px; letter-spacing: 0.14em; }
  .btn-sm { padding: 10px 16px; font-size: 12px; }
  .btn-wide { padding: 14px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
}