/* ================================================
   ASH WU — LUXURY EDITORIAL PORTFOLIO
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@200;300;400;500&family=Playfair+Display:ital@1&display=swap');

/* ── VARIABLES ── */
:root {
  --black:      #06090f;
  --off-black:  #0b1020;
  --charcoal:   #111828;
  --mid:        #1e2d45;
  --border:     #1a2a40;
  --muted:      #3d5470;
  --silver:     #8ca8c8;
  --light:      #c8d8ec;
  --cream:      #e8f0f8;
  --white:      #f4f8fc;
  --gold:       #a8c4e0;
  --gold-light: #ccdff0;

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'DM Sans', sans-serif;
  --font-italic: 'Playfair Display', serif;

  --transition: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--black);
  color: var(--light);
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold); }

/* ── NOISE 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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ── NAVIGATION ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 4rem;
}

nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(6,9,15,0.97) 0%, transparent 100%);
  pointer-events: none;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--white);
  position: relative;
  z-index: 1;
}

.nav-links {
  display: flex;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  position: relative;
  z-index: 1001;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 28px; height: 1px;
  background: var(--silver);
  transition: var(--transition-fast);
}


.footer-logo {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--silver);
}

.footer-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2.5rem;
  white-space: nowrap;
}
.footer-links a {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ── SHARED ── */
.section-label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.gold-line { width: 40px; height: 1px; background: var(--gold); margin: 1.5rem 0; }

.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 0.9rem 2.5rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--transition);
  z-index: 0;
}
.btn:hover::before { transform: scaleX(1); }
.btn span { position: relative; z-index: 1; }
.btn:hover { color: var(--black); }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 1.5rem 2rem; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  footer {
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    text-align: center;
  }
  .footer-links {
    position: static;
    transform: none;
    flex-wrap: wrap;
    justify-content: center;
  }
}