/**
 * DSC — Domingos Silva & Cunha, Lda.
 * Design System — v3.0 — Editorial Premium
 *
 * Palette: Architectural White / DSC Navy / Warm Editorial Gold
 * Type:    Cormorant Garamond · Plus Jakarta Sans · JetBrains Mono
 */

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

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  --dsc-white:        #FFFFFF;
  --dsc-canvas:       #F7F5F2;
  --dsc-canvas-cool:  #F8FAFC;
  --dsc-surface:      #F0EDE8;
  --dsc-surface-hover:#E8E4DE;
  --dsc-line:         #E4DDD5;
  --dsc-line-dark:    #C9BFB5;
  --dsc-muted:        #7A6F65;
  --dsc-body:         #3D3530;

  --dsc-navy-deep:    #060C1A;
  --dsc-navy:         #0F172A;
  --dsc-navy-light:   #1E293B;
  --dsc-navy-slate:   #334155;

  --dsc-gold:         #B39860;
  --dsc-gold-light:   #C9AE7A;
  --dsc-gold-dark:    #8C7444;
  --dsc-gold-subtle:  rgba(179,152,96,0.08);
  --dsc-gold-glow:    rgba(179,152,96,0.35);

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', ui-monospace, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast:   150ms cubic-bezier(0.16, 1, 0.3, 1);
  --t-mid:    280ms cubic-bezier(0.16, 1, 0.3, 1);
  --t-slow:   500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0; padding: 0;
  font-family: var(--font-sans);
  background: var(--dsc-canvas);
  color: var(--dsc-navy);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--dsc-navy); color: var(--dsc-white); }

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

/* ============================================================
   3. TYPOGRAPHY UTILITIES
   ============================================================ */
.font-serif { font-family: var(--font-serif);  }
.font-sans  { font-family: var(--font-sans);   }
.font-mono  { font-family: var(--font-mono);   }

.text-gradient-gold {
  background: linear-gradient(135deg, #8C7444 0%, #B39860 50%, #C9AE7A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-navy {
  background: linear-gradient(135deg, var(--dsc-navy-deep), var(--dsc-navy-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   4. MICRO-DETAILS & BADGES
   ============================================================ */
.micro-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--dsc-gold);
  box-shadow: 0 0 8px var(--dsc-gold-glow);
  vertical-align: middle;
  flex-shrink: 0;
}

.micro-dot-pulse {
  animation: micro-pulse 2.6s ease-in-out infinite;
}

@keyframes micro-pulse {
  0%, 100% { opacity: 1; transform: scale(1);    box-shadow: 0 0 6px var(--dsc-gold-glow); }
  50%       { opacity: .7; transform: scale(.82); box-shadow: 0 0 14px rgba(179,152,96,.6); }
}

.badge-gold {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--font-mono);
  font-size: 10px; text-transform: uppercase; letter-spacing: .12em;
  padding: .2rem .6rem;
  background: var(--dsc-gold-subtle);
  border: 1px solid rgba(179,152,96,.3);
  color: var(--dsc-gold-dark);
}

.badge-navy {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--font-mono);
  font-size: 10px; text-transform: uppercase; letter-spacing: .12em;
  padding: .25rem .65rem;
  background: var(--dsc-navy);
  color: var(--dsc-white);
  border: 1px solid var(--dsc-navy-light);
}

.ph {
  font-family: var(--font-mono); font-size: .82em;
  background: var(--dsc-surface);
  border: 1px dashed var(--dsc-line-dark);
  padding: .15rem .5rem; color: var(--dsc-navy-slate);
  display: inline-block; vertical-align: middle; border-radius: 2px;
}

footer .ph {
  background: rgba(255,255,255,.08);
  border-color: rgba(179,152,96,.3);
  color: #F8FAFD;
}

/* ============================================================
   5. NAVIGATION & HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 2px solid var(--dsc-navy);
  border-bottom: 1px solid var(--dsc-line);
  transition: box-shadow var(--t-mid);
}

.site-header.scrolled {
  box-shadow: 0 4px 24px rgba(15,23,42,.09);
}

.nav-link {
  position: relative;
  font-family: var(--font-sans); font-size: .875rem; font-weight: 500;
  padding: .25rem 0;
  color: var(--dsc-body);
  transition: color var(--t-fast);
}

.nav-link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--dsc-navy), var(--dsc-gold));
  transition: width var(--t-mid);
}

.nav-link:hover { color: var(--dsc-navy); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--dsc-navy); font-weight: 600; }

#mobile-menu { transition: transform var(--t-slow), opacity var(--t-slow); }
#mobile-menu.menu-closed { transform: translateY(-100%); opacity: 0; pointer-events: none; }
#mobile-menu.menu-open   { transform: translateY(0);     opacity: 1; pointer-events: auto; }

/* ============================================================
   6. INTERACTIVE CARDS
   ============================================================ */
.interactive-card {
  position: relative;
  background: var(--dsc-white);
  border: 1px solid var(--dsc-line);
  will-change: transform, box-shadow;
  transition: transform var(--t-mid), box-shadow var(--t-mid), border-color var(--t-mid), background var(--t-mid);
}

.interactive-card::before {
  content: '';
  position: absolute; inset-x: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--dsc-navy), var(--dsc-gold));
  opacity: 0;
  transition: opacity var(--t-mid);
  z-index: 1;
}

.interactive-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px -12px rgba(15,23,42,.14), 0 4px 12px rgba(15,23,42,.06);
  border-color: rgba(179,152,96,.5) !important;
}

.interactive-card:hover::before { opacity: 1; }

/* Ken Burns image zoom */
.img-zoom-container { overflow: hidden; position: relative; }

.img-zoom-container .zoom-target {
  transition: transform .75s var(--ease-out);
}

.interactive-card:hover .zoom-target { transform: scale(1.07); }

/* Arrow links */
.arrow-trigger { transition: color var(--t-fast); }
.arrow-trigger:hover { color: var(--dsc-navy); }
.arrow-target {
  display: inline-block;
  transition: transform var(--t-fast), color var(--t-fast);
}
.arrow-trigger:hover .arrow-target {
  transform: translateX(6px);
  color: var(--dsc-gold);
}

/* ============================================================
   7. MARQUEE TICKER
   ============================================================ */
.marquee-wrapper { overflow: hidden; }

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 36s linear infinite;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Continuous slow marquee for cards carousel */
.carousel-slow-wrapper {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.carousel-slow-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: slow-scroll 55s linear infinite;
  will-change: transform;
}

.carousel-slow-track:hover {
  animation-play-state: paused;
}

@keyframes slow-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ============================================================
   8. SCROLL REVEAL
   ============================================================ */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s var(--ease-out), transform .65s var(--ease-out);
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed { opacity: 1; transform: translateY(0); }

.reveal-on-scroll[data-delay="1"] { transition-delay: .1s; }
.reveal-on-scroll[data-delay="2"] { transition-delay: .2s; }
.reveal-on-scroll[data-delay="3"] { transition-delay: .3s; }
.reveal-on-scroll[data-delay="4"] { transition-delay: .4s; }

/* ============================================================
   9. GSM SLIDER
   ============================================================ */
.gsm-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 3px;
  background: var(--dsc-line);
  outline: none; border-radius: 0;
}

.gsm-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px;
  background: var(--dsc-navy);
  border: 2px solid var(--dsc-gold);
  cursor: pointer;
  transition: transform .15s, background .15s;
  box-shadow: 0 2px 8px rgba(15,23,42,.25);
}

.gsm-slider::-webkit-slider-thumb:hover { transform: scale(1.25); }
.gsm-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--dsc-navy); border: 2px solid var(--dsc-gold);
  cursor: pointer; border-radius: 0;
}

/* ============================================================
   10. MATRIX BOX
   ============================================================ */
.matrix-box {
  cursor: pointer; background: var(--dsc-white);
  transition: all var(--t-mid);
}
.matrix-box:hover { border-color: var(--dsc-navy) !important; background: #F8FAFD; }

/* ============================================================
   11. TOAST
   ============================================================ */
.dsc-toast {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 100;
  max-width: 24rem;
  background: var(--dsc-navy-deep);
  color: var(--dsc-white);
  border-left: 3px solid var(--dsc-gold);
  padding: 1rem 1.25rem;
  font-family: var(--font-sans); font-size: .85rem;
  box-shadow: 0 24px 48px rgba(6,12,26,.4);
  transform: translateY(150%); opacity: 0;
  transition: transform var(--t-slow), opacity var(--t-slow);
}
.dsc-toast.show { transform: translateY(0); opacity: 1; }

/* ============================================================
   12. SCROLLBAR & ACCESSIBILITY
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dsc-canvas); }
::-webkit-scrollbar-thumb { background: var(--dsc-line-dark); }
::-webkit-scrollbar-thumb:hover { background: var(--dsc-navy-slate); }

:focus-visible { outline: 2px solid var(--dsc-gold); outline-offset: 2px; }

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ============================================================
   13. BACKGROUND PATTERNS & TEXTURES
   ============================================================ */
.bg-grid-pattern,
.bg-grid-pattern-dark,
.bg-weave-pattern { background-image: none !important; }

.bg-textile-grid {
  background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 0);
  background-size: 24px 24px;
}

.cursor-inspect {
  cursor: zoom-in;
}

/* ============================================================
   14. PRINT
   ============================================================ */
@media print {
  .site-header, footer, #mobile-menu { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
}