/* ══════════════════════════════════════════
   INLIN · Shared Styles · Design System v1.0
   Aluminum Modular Furniture
   ══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Barlow+Condensed:wght@300;400;500;600;700&family=DM+Mono:ital,wght@0,400;0,500;1,400&display=swap');

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--void);
  color: var(--text);
  font-family: var(--body-font);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── DESIGN TOKENS ── */
:root {
  /* — Backgrounds — */
  --void:       #0a0a09;
  --deep:       #0f0f0e;
  --navy:       #1a2d3e;
  --navy-l:     #243d52;
  --navy-xl:    #2e4f69;
  --panel:      rgba(26,45,62,0.95);

  /* — Brand Colors — */
  --gold:       #d4a843;
  --gold-l:     #e8c460;
  --gold-d:     #b8902f;
  --gold-bg:    rgba(212,168,67,0.08);
  --magenta:    #e040a0;
  --magenta-l:  #f060b8;
  --aluminum:   #7bb3c8;
  --aluminum-l: #a8ccd8;
  --white:      #ffffff;

  /* — Text — */
  --text:       rgba(255,255,255,0.88);
  --text-m:     rgba(255,255,255,0.60);
  --text-s:     rgba(255,255,255,0.38);

  /* — Borders — */
  --rim:        rgba(255,255,255,0.08);
  --rim-gold:   rgba(212,168,67,0.30);
  --rim-m:      rgba(255,255,255,0.14);

  /* — Typography — */
  --display:    'DM Serif Display', Georgia, serif;
  --body-font:  'Barlow Condensed', 'Arial Narrow', sans-serif;
  --mono:       'DM Mono', 'Courier New', monospace;

  /* — Spacing (8px grid) — */
  --sp-1:  4px;   --sp-2:  8px;   --sp-3:  12px;
  --sp-4:  16px;  --sp-5:  20px;  --sp-6:  24px;
  --sp-8:  32px;  --sp-10: 40px;  --sp-12: 48px;
  --sp-16: 64px;  --sp-20: 80px;  --sp-28: 112px;

  /* — Layout — */
  --max-w:  1280px;
  --px:     48px;
  --px-m:   20px;
  --nav-h:  72px;

  /* — Motion — */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in:  cubic-bezier(0.4, 0, 1, 1);
}

/* ══ NAVIGATION ══ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  display: flex; align-items: center;
  padding: 0 var(--px);
  transition: background 0.5s var(--ease), border-color 0.5s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(10,10,9,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom-color: var(--rim);
}
.nav-logo {
  font-family: var(--display);
  font-size: 30px; letter-spacing: -0.02em;
  color: var(--white); flex-shrink: 0;
  line-height: 1;
}
.nav-logo em { font-style: italic; color: var(--gold); }
.nav-links {
  display: flex; gap: var(--sp-8);
  margin-left: auto; margin-right: var(--sp-8);
}
.nav-links li { position: relative; list-style: none; }
.nav-links a {
  font-family: var(--body-font);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-m);
  position: relative;
  transition: color 0.25s;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ── Nav Dropdown ── */
.nav-dropdown {
  position: absolute; top: 100%; left: 50%;
  padding-top: 10px;               /* visual gap handled by padding, not margin — no dead zone */
  transform: translateX(-50%) translateY(-4px);
  z-index: 300;
  opacity: 0; pointer-events: none;
  transition: opacity 0.45s var(--ease), transform 0.25s var(--ease);
}
.nav-dropdown-inner {
  background: rgba(10,10,9,0.97);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--rim);
  min-width: 190px;
  position: relative;
}
/* triangle pointer */
.nav-dropdown-inner::before {
  content: '';
  position: absolute; top: -5px; left: 50%; transform: translateX(-50%);
  width: 8px; height: 8px;
  background: rgba(10,10,9,0.97);
  border-top: 1px solid var(--rim); border-left: 1px solid var(--rim);
  transform: translateX(-50%) rotate(45deg);
}
/* JS-controlled open state */
.nav-dropdown.is-open {
  opacity: 1; pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown li { border-bottom: 1px solid var(--rim); }
.nav-dropdown li:last-child { border-bottom: none; }
.nav-dropdown a {
  display: block; padding: 11px 18px;
  font-size: 11px; letter-spacing: 0.10em;
  color: var(--text-m) !important;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-dropdown a::after { display: none !important; }
.nav-dropdown a:hover { color: var(--gold) !important; background: rgba(212,168,67,0.07); }

.nav-cta {
  font-family: var(--body-font);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 9px 22px;
  transition: background 0.25s, color 0.25s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--gold); color: var(--void); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 6px; margin-left: auto; cursor: pointer;
  background: none; border: none;
}
.nav-hamburger span {
  display: block; width: 22px; height: 1.5px; background: var(--white);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile-menu {
  position: fixed; inset: 0; z-index: 199;
  background: var(--void);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 36px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.nav-mobile-menu.open { opacity: 1; pointer-events: all; }
.nav-mobile-menu a {
  font-family: var(--display);
  font-size: clamp(2rem, 8vw, 2.8rem);
  color: var(--text-m);
  transition: color 0.2s;
}
.nav-mobile-menu a:hover { color: var(--gold); }
.nav-mobile-menu .nav-cta-mobile {
  font-family: var(--body-font);
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold); border: 1px solid var(--gold);
  padding: 14px 40px; margin-top: 8px;
}

/* ══ LAYOUT ══ */
.section-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* ══ EYEBROW ══ */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold);
  display: flex; align-items: center; gap: 14px;
  margin-bottom: var(--sp-5);
}
.eyebrow::before {
  content: '';
  display: block; width: 28px; height: 1px;
  background: var(--gold); flex-shrink: 0;
}

/* ══ BUTTONS ══ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--body-font);
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--gold); color: var(--void);
  padding: 15px 38px;
  transition: background 0.25s, transform 0.25s;
}
.btn-primary:hover { background: var(--gold-l); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--body-font);
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.30);
  color: var(--white); padding: 15px 38px;
  transition: border-color 0.25s, color 0.25s, transform 0.25s;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* ══ TAG ══ */
.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold); background: var(--gold-bg);
  border: 1px solid var(--rim-gold);
  padding: 4px 12px;
}

/* ══ DIVIDER ══ */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rim-gold), transparent);
  margin: 0;
}

/* ══ MARQUEE ══ */
.marquee-track {
  overflow: hidden;
  border-top: 1px solid var(--rim);
  border-bottom: 1px solid var(--rim);
  background: var(--deep);
  padding: 14px 0;
}
.marquee-inner {
  display: flex; gap: 0;
  animation: marquee 28s linear infinite;
  width: max-content;
}
.marquee-inner span {
  font-family: var(--mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-s);
  padding: 0 40px;
  white-space: nowrap;
}
.marquee-inner span.accent { color: var(--gold); }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ══ SCROLL ANIMATIONS ══ */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}
.fade-up.visible { opacity: 1; transform: none; }

/* ══ FOOTER ══ */
footer {
  background: var(--navy);
  border-top: 1px solid var(--rim);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-20) var(--px) 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-16);
  border-bottom: 1px solid var(--rim);
}
.footer-logo {
  font-family: var(--display);
  font-size: 28px; color: var(--white);
  margin-bottom: var(--sp-4); line-height: 1;
}
.footer-logo em { font-style: italic; color: var(--gold); }
.footer-tagline {
  font-size: 14px; color: var(--text-m);
  line-height: 1.75; max-width: 270px;
  margin-bottom: var(--sp-6);
}
.footer-email {
  font-family: var(--mono);
  font-size: 12px; color: var(--gold);
  letter-spacing: 0.06em;
  transition: color 0.2s;
}
.footer-email:hover { color: var(--gold-l); }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); margin-bottom: var(--sp-5);
}
.footer-col ul li { margin-bottom: var(--sp-3); }
.footer-col ul li a {
  font-size: 14px; color: var(--text-m);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--sp-6) 0;
  font-family: var(--mono); font-size: 10px;
  color: var(--text-s); letter-spacing: 0.08em;
}

/* ══ RESPONSIVE ══ */
@media (max-width: 1100px) {
  :root { --px: 32px; }
}
@media (max-width: 768px) {
  :root { --px: var(--px-m); }
  nav { padding: 0 var(--px-m); }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
  .footer-bottom { flex-direction: column; gap: var(--sp-3); text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}