/* ============================================================
   ZYCK · Global Stylesheet
   Brand tokens, resets, shared components
   ============================================================ */

/* ── BRAND TOKENS ─────────────────────────────────────────── */
:root {
  /* Surfaces */
  --obsidian:      #0E0E0E;
  --obsidian-2:    #141414;
  --obsidian-3:    #1C1C1C;
  --obsidian-4:    #242424;

  /* Accent */
  --gold:          #C9A84C;
  --gold-dim:      #A8893A;
  --gold-pale:     rgba(201, 168, 76, 0.12);
  --gold-line:     rgba(201, 168, 76, 0.30);

  /* Text */
  --bone:          #F0EBE0;
  --steel:         #8A8A8A;
  --steel-dim:     #555555;
  --white:         #FFFFFF;

  /* Alt surface */
  --navy:          #1A2744;

  /* Typography */
  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;

  /* Layout */
  --max-w:         1200px;
  --section-pad:   clamp(80px, 10vw, 140px);
  --gutter:        clamp(24px, 5vw, 80px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--obsidian);
  color: var(--bone);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── GRAIN OVERLAY ────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.6;
}

/* ── TYPOGRAPHY ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  color: var(--bone);
}

p { color: var(--steel); }
strong { font-weight: 500; color: var(--bone); }

.label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── LAYOUT ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { padding: var(--section-pad) 0; }

.gold-rule {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 24px;
}

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: var(--obsidian);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 32px;
  transition: box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.12);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.btn-primary:hover::before { transform: scaleX(1); }
.btn-primary:hover { box-shadow: 0 0 32px rgba(201, 168, 76, 0.3); }
.btn-primary .arrow { transition: transform 0.2s ease; }
.btn-primary:hover .arrow { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--steel);
  border-bottom: 1px solid var(--steel-dim);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--bone); border-color: var(--bone); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 15px 32px;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-outline:hover {
  background: var(--gold-pale);
  border-color: var(--gold);
}

/* ── NAVBAR ───────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.4s ease, padding 0.4s ease;
}
.nav.scrolled {
  background: rgba(14, 14, 14, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--bone);
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-logo .chevron { color: var(--gold); font-size: 1.2rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--bone); }
.nav-cta {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 10px 22px;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  transition: all 0.25s ease;
}
.nav-cta:hover { background: var(--gold-pale); border-color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--bone);
  transition: all 0.3s ease;
}

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  background: var(--obsidian);
  border-top: 1px solid var(--obsidian-4);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--steel-dim);
  letter-spacing: 0.05em;
}
.footer-logo .chevron { color: var(--gold); }
.footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--steel-dim);
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.75rem;
  color: var(--steel-dim);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--steel); }

/* ── SCROLL REVEAL ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── ANIMATIONS ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes chevronPulse {
  0%, 100% { opacity: 1; transform: translateX(0); }
  50%       { opacity: 0.6; transform: translateX(4px); }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── PROOF BAR ────────────────────────────────────────────── */
.proof-bar {
  border-top: 1px solid var(--obsidian-4);
  border-bottom: 1px solid var(--obsidian-4);
  background: var(--obsidian-2);
  padding: 24px 0;
}
.proof-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}
.proof-dot {
  width: 4px;
  height: 4px;
  background: var(--gold);
  flex-shrink: 0;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .proof-bar-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; gap: 16px; }

  .nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(14, 14, 14, 0.98);
    backdrop-filter: blur(16px);
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 99;
  }
  .nav.mobile-open .nav-links a { font-size: 1.2rem; color: var(--bone); }
  .nav.mobile-open .nav-cta { display: inline-block; margin-top: 24px; }
  .nav.mobile-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav.mobile-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.mobile-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .nav-toggle { position: relative; z-index: 100; }
}