/* ============================================================
   VINYL 3D — Global Styles
   Variables · Reset · Typography · Nav · Footer · Utilities
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
  --bg:           #0a0a0a;
  --bg-secondary: #111111;
  --bg-card:      #141414;
  --gold:         #c9a84c;
  --gold-light:   #e8c97a;
  --gold-dark:    #8a6820;
  --gold-glow:    rgba(201, 168, 76, 0.15);
  --text:         #f5f5f5;
  --text-muted:   #888888;
  --text-dim:     #555555;
  --border:       #1e1e1e;
  --border-gold:  rgba(201, 168, 76, 0.25);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --transition-fast:   150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow:   600ms cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ── Typography Scale ───────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading {
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.body-lg {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.75;
}

.body-sm {
  font-size: 0.9rem;
  line-height: 1.65;
}

.label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ── Gold Gradient Text ─────────────────────────────────────── */
.text-gold {
  color: var(--gold);
}

.text-gold-gradient {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--text-muted);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  color: #0a0a0a;
  font-weight: 700;
  box-shadow: 0 4px 24px rgba(201, 168, 76, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 36px rgba(201, 168, 76, 0.55);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid var(--border-gold);
  color: var(--gold);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--gold);
  background: var(--gold-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--text-muted);
  padding: 0.85rem 1.5rem;
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-lg {
  padding: 1.1rem 2.75rem;
  font-size: 1rem;
}

/* ── Section Utilities ──────────────────────────────────────── */
.section {
  padding: 7rem 2rem;
}

.section-sm {
  padding: 4rem 2rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header .label {
  margin-bottom: 1rem;
  display: block;
}

.section-header .display-lg {
  margin-bottom: 1.25rem;
}

.section-header .body-lg {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ── Divider ────────────────────────────────────────────────── */
.gold-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-light), var(--gold));
  margin: 1.5rem auto 0;
}

/* ── Gold Line ──────────────────────────────────────────────── */
.section-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

/* ── Scroll Reveal Animations ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  transition: background var(--transition-normal),
              border-color var(--transition-normal),
              backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.nav-logo-mark::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: inset 0 0 6px rgba(201,168,76,0.4);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}

.nav-logo-text span {
  color: var(--gold);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-link.active {
  color: var(--gold);
}

/* Nav CTA */
.nav-cta {
  flex-shrink: 0;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: all var(--transition-normal);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Nav Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem 2rem;
  z-index: 999;
  flex-direction: column;
  gap: 0.5rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.nav-mobile.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.nav-mobile .nav-link {
  font-size: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}

.nav-mobile .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 5rem 2rem 2.5rem;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .nav-logo {
  margin-bottom: 1.25rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all var(--transition-normal);
}

.social-icon:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-glow);
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--gold);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ── Page Hero (for inner pages) ────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + 6rem);
  padding-bottom: 5rem;
  padding-left: 2rem;
  padding-right: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #333;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-dark);
}

/* ── Selection ──────────────────────────────────────────────── */
::selection {
  background: rgba(201, 168, 76, 0.25);
  color: var(--text);
}

/* ── Mobile Section Padding ─────────────────────────────────── */
@media (max-width: 768px) {
  .section {
    padding: 4rem 1.25rem;
  }

  .section-sm {
    padding: 2.5rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3rem 1rem;
  }

  .section-sm {
    padding: 2rem 1rem;
  }

  .btn-lg {
    padding: 0.9rem 1.75rem;
    font-size: 0.875rem;
  }

  /* Nav padding tighter on small screens */
  .nav {
    padding: 0 1rem;
  }

  /* Prevent display-xl from overflowing narrow viewports */
  .display-xl {
    font-size: clamp(2.25rem, 10vw, 4rem);
  }
}