/* ═══════════════════════════════════════════════
   TRUSIO — SHARED DESIGN SYSTEM
   Dark Luxury Editorial Aesthetic
   ═══════════════════════════════════════════════ */

@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=Libre+Caslon+Display&family=DM+Mono:wght@300;400;500&family=Instrument+Sans:wght@400;500;600&display=swap');

:root {
  --bg:          #0d0d0b;
  --bg2:         #121210;
  --bg3:         #181816;
  --bg4:         #1e1e1a;
  --gold:        #c9a84c;
  --gold-light:  #e8c97a;
  --gold-dim:    #8a6f32;
  --gold-glow:   rgba(201,168,76,0.15);
  --cream:       #f0e8d8;
  --cream-dim:   #a89880;
  --green:       #2d5a3d;
  --green-light: #3d7a54;
  --green-muted: #1d3d2a;
  --red-dim:     rgba(180,60,60,0.6);
  --text:        #e8e0d0;
  --text-dim:    #8a8070;
  --border:      rgba(201,168,76,0.12);
  --border-strong: rgba(201,168,76,0.3);
  --border-soft: rgba(255,255,255,0.05);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* GRAIN */
body::before {
  content:'';
  position:fixed; inset:0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' 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:0.55;
}

/* ─── NAVIGATION ─── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 56px;
  transition: background 0.4s, border-color 0.4s;
}
nav.scrolled {
  background: rgba(13,13,11,0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.nav-logo {
  font-family:'Libre Caslon Display',serif;
  font-size:22px; letter-spacing:0.1em;
  color:var(--gold); text-decoration:none;
  display:flex; align-items:center; gap:10px;
}
.nav-logo-dot {
  width:6px; height:6px; border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 8px var(--gold);
}
.nav-center { display:flex; gap:8px; }
.nav-link {
  color:var(--text-dim); text-decoration:none;
  font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  padding:8px 16px; border-radius:2px;
  transition:color 0.25s, background 0.25s;
}
.nav-link:hover { color:var(--cream); background:var(--border); }
.nav-link.active { color:var(--gold); }
.nav-right { display:flex; align-items:center; gap:12px; }
.nav-cta-ghost {
  color:var(--cream-dim); text-decoration:none;
  font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  padding:9px 20px;
  border:1px solid var(--border);
  border-radius:2px;
  transition:all 0.25s;
}
.nav-cta-ghost:hover { border-color:var(--border-strong); color:var(--gold); }
.nav-cta-filled {
  background:var(--gold); color:var(--bg); text-decoration:none;
  font-size:12px; font-weight:600; letter-spacing:0.1em; text-transform:uppercase;
  padding:9px 22px; border-radius:2px;
  transition:background 0.25s;
}
.nav-cta-filled:hover { background:var(--gold-light); }

/* Mobile Nav Toggle */
.nav-hamburger {
  display:none; flex-direction:column; gap:5px;
  cursor:pointer; padding:4px;
}
.nav-hamburger span {
  display:block; width:22px; height:1.5px;
  background:var(--cream-dim); transition:all 0.3s;
}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  min-height:56vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  text-align:center; padding:140px 56px 80px;
  position:relative; overflow:hidden;
}
.page-hero-bg {
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 70%, var(--gold-glow) 0%, transparent 65%);
}

/* ─── TYPOGRAPHY ─── */
.eyebrow {
  font-family:'DM Mono',monospace;
  font-size:11px; letter-spacing:0.25em; text-transform:uppercase;
  color:var(--gold); margin-bottom:20px;
  display:flex; align-items:center; justify-content:center; gap:14px;
}
.eyebrow::before, .eyebrow::after {
  content:''; display:block;
  width:28px; height:1px; background:var(--gold-dim);
}

.display-xl {
  font-family:'Libre Caslon Display',serif;
  font-size:clamp(42px,6.5vw,88px);
  font-weight:400; line-height:1.06;
  color:var(--cream); letter-spacing:-0.01em;
}
.display-lg {
  font-family:'Libre Caslon Display',serif;
  font-size:clamp(32px,4.5vw,60px);
  font-weight:400; line-height:1.1;
  color:var(--cream);
}
.display-md {
  font-family:'Libre Caslon Display',serif;
  font-size:clamp(24px,3vw,40px);
  font-weight:400; line-height:1.15;
  color:var(--cream);
}
em { font-style:italic; color:var(--gold-light); }

.body-serif {
  font-family:'Cormorant Garamond',serif;
  font-size:clamp(18px,2vw,22px);
  font-weight:300; line-height:1.7; color:var(--cream-dim);
}
.body-sm {
  font-size:14px; color:var(--text-dim); line-height:1.6;
}
.mono {
  font-family:'DM Mono',monospace;
  font-size:11px; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--text-dim);
}

/* ─── SECTION LABEL ─── */
.section-label {
  font-family:'DM Mono',monospace;
  font-size:10px; letter-spacing:0.25em; text-transform:uppercase;
  color:var(--gold); margin-bottom:18px;
  display:flex; align-items:center; gap:12px;
}
.section-label::before {
  content:''; display:block;
  width:32px; height:1px; background:var(--gold-dim);
}
.section-label.centered { justify-content:center; }
.section-label.centered::before, .section-label.centered::after {
  content:''; display:block;
  width:32px; height:1px; background:var(--gold-dim);
}

/* ─── BUTTONS ─── */
.btn-primary {
  display:inline-flex; align-items:center; gap:8px;
  background:var(--gold); color:var(--bg);
  padding:14px 36px; border-radius:2px;
  font-family:'Instrument Sans',sans-serif;
  font-size:12px; font-weight:600;
  letter-spacing:0.1em; text-transform:uppercase;
  text-decoration:none; border:none; cursor:pointer;
  transition:background 0.25s, transform 0.2s;
}
.btn-primary:hover { background:var(--gold-light); transform:translateY(-1px); }

.btn-outline {
  display:inline-flex; align-items:center; gap:8px;
  color:var(--cream-dim); padding:14px 32px; border-radius:2px;
  font-family:'Instrument Sans',sans-serif;
  font-size:12px; letter-spacing:0.1em; text-transform:uppercase;
  text-decoration:none; border:1px solid var(--border);
  transition:all 0.25s;
}
.btn-outline:hover { border-color:var(--border-strong); color:var(--gold); }

.btn-ghost {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--gold); font-family:'DM Mono',monospace;
  font-size:11px; letter-spacing:0.15em; text-transform:uppercase;
  text-decoration:none; background:none; border:none; cursor:pointer;
  transition:gap 0.2s;
}
.btn-ghost:hover { gap:12px; }

/* ─── DIVIDERS ─── */
.hr-gold {
  border:none; height:1px;
  background:linear-gradient(90deg,transparent,var(--gold-dim),transparent);
}
.hr-subtle {
  border:none; height:1px;
  background:var(--border);
}

/* ─── CARDS ─── */
.card {
  background:var(--bg3);
  border:1px solid var(--border);
  border-radius:3px; padding:40px;
  transition:border-color 0.3s, background 0.3s;
  position:relative;
}
.card:hover { border-color:var(--border-strong); background:var(--bg4); }
.card-top-line::before {
  content:''; position:absolute;
  top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
  opacity:0; transition:opacity 0.3s;
}
.card:hover .card-top-line::before { opacity:1; }

/* ─── TAGS & BADGES ─── */
.tag {
  display:inline-flex; align-items:center; gap:6px;
  font-family:'DM Mono',monospace;
  font-size:9px; letter-spacing:0.2em; text-transform:uppercase;
  padding:5px 12px; border-radius:2px;
}
.tag-gold {
  background:rgba(201,168,76,0.1);
  border:1px solid rgba(201,168,76,0.25);
  color:var(--gold);
}
.tag-green {
  background:rgba(45,90,61,0.3);
  border:1px solid rgba(61,122,84,0.4);
  color:var(--green-light);
}
.tag-dim {
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  color:var(--text-dim);
}

/* ─── GRID SYSTEMS ─── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:2px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:2px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:2px; }
.gap-grid { background:var(--border); border:1px solid var(--border); border-radius:3px; overflow:hidden; }
.gap-grid > * { background:var(--bg); }

/* ─── SECTION WRAPPER ─── */
.section { padding:96px 56px; }
.section-inner { max-width:1200px; margin:0 auto; }
.section-dark { background:var(--bg2); }
.section-mid { background:var(--bg3); }

/* ─── REVEAL ANIMATIONS ─── */
.reveal {
  opacity:0; transform:translateY(28px);
  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); }
.d1 { transition-delay:0.1s; }
.d2 { transition-delay:0.2s; }
.d3 { transition-delay:0.3s; }
.d4 { transition-delay:0.4s; }
.d5 { transition-delay:0.5s; }

/* ─── FOOTER ─── */
footer {
  padding:48px 56px;
  border-top:1px solid var(--border);
  background:var(--bg2);
}
.footer-inner {
  max-width:1200px; margin:0 auto;
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:48px;
}
.footer-brand { display:flex; flex-direction:column; gap:12px; }
.footer-logo {
  font-family:'Libre Caslon Display',serif;
  font-size:20px; letter-spacing:0.1em;
  color:var(--gold);
}
.footer-tagline {
  font-family:'DM Mono',monospace;
  font-size:10px; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--text-dim);
  max-width:200px; line-height:1.8;
}
.footer-col-title {
  font-family:'DM Mono',monospace;
  font-size:9px; letter-spacing:0.2em; text-transform:uppercase;
  color:var(--gold-dim); margin-bottom:16px;
}
.footer-links { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-links a {
  color:var(--text-dim); text-decoration:none;
  font-size:13px; transition:color 0.2s;
}
.footer-links a:hover { color:var(--gold); }
.footer-bottom {
  max-width:1200px; margin:32px auto 0;
  padding-top:24px; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; align-items:center;
}
.footer-copy {
  font-family:'DM Mono',monospace;
  font-size:10px; letter-spacing:0.1em;
  color:var(--text-dim); text-transform:uppercase;
}

/* ─── FORM ELEMENTS ─── */
.input-field {
  width:100%;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
  border-radius:2px; padding:14px 18px;
  color:var(--text); font-family:'Instrument Sans',sans-serif;
  font-size:14px; outline:none;
  transition:border-color 0.25s, background 0.25s;
}
.input-field::placeholder { color:var(--text-dim); }
.input-field:focus {
  border-color:var(--border-strong);
  background:rgba(201,168,76,0.03);
}

select.input-field { cursor:pointer; }

/* ─── RESPONSIVE ─── */
@media (max-width:1024px) {
  .footer-inner { grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:768px) {
  nav { padding:16px 24px; }
  .nav-center { display:none; }
  .nav-right .nav-cta-ghost { display:none; }
  .nav-hamburger { display:flex; }
  .section { padding:64px 24px; }
  .page-hero { padding:120px 24px 64px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
  .footer-inner { grid-template-columns:1fr 1fr; gap:24px; }
  .footer-bottom { flex-direction:column; gap:12px; text-align:center; }
}
@media (max-width:480px) {
  .footer-inner { grid-template-columns:1fr; }
}

/* ═══════════════════════════════════════════════
   TRUSIO — COMPREHENSIVE RESPONSIVE SYSTEM
   Breakpoints: 1024px | 768px | 600px | 480px | 360px
   ═══════════════════════════════════════════════ */

/* ─── MOBILE MENU ─── */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,13,11,0.98);
  z-index: 300;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(16px);
}
#mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  color: var(--cream-dim); font-size: 24px;
  cursor: pointer; padding: 8px;
  transition: color 0.2s;
  line-height: 1;
}
.mobile-menu-close:hover { color: var(--gold); }
.mobile-menu-logo {
  font-family: 'Libre Caslon Display', serif;
  font-size: 28px; letter-spacing: 0.12em;
  color: var(--gold); text-decoration: none;
  margin-bottom: 48px;
}
.mobile-menu-links {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  width: 100%; padding: 0 40px;
  margin-bottom: 48px;
}
.mobile-menu-link {
  font-family: 'Libre Caslon Display', serif;
  font-size: 28px; color: var(--cream);
  text-decoration: none;
  padding: 10px 24px;
  transition: color 0.2s;
  text-align: center;
}
.mobile-menu-link:hover,
.mobile-menu-link.active { color: var(--gold); }
.mobile-menu-actions {
  display: flex; flex-direction: column;
  align-items: center; gap: 16px;
  width: 100%; padding: 0 40px;
  max-width: 360px;
}
.mobile-menu-signin {
  font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim); text-decoration: none;
  transition: color 0.2s;
}
.mobile-menu-signin:hover { color: var(--gold); }

/* Hamburger active state */
.nav-hamburger { background: none; border: none; cursor: pointer; }
.nav-hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ─── TABLET (≤1024px) ─── */
@media (max-width: 1024px) {
  /* NAV */
  nav { padding: 18px 32px; }
  .nav-link { padding: 8px 12px; font-size: 11px; }

  /* SECTIONS */
  .section { padding: 80px 40px; }
  .section-inner { max-width: 100%; }

  /* GRIDS */
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* FOOTER */
  footer { padding: 48px 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ─── MOBILE (≤768px) ─── */
@media (max-width: 768px) {
  /* NAV */
  nav { padding: 16px 20px; }
  .nav-center { display: none; }
  .nav-right .nav-cta-ghost { display: none; }
  .nav-right .nav-cta-filled { display: none; }
  .nav-hamburger { display: flex; }

  /* PAGE HERO */
  .page-hero { padding: 110px 24px 60px; }

  /* SECTIONS */
  .section { padding: 64px 20px; }

  /* GRIDS */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 12px; }

  /* TYPOGRAPHY */
  .display-xl { font-size: clamp(34px, 9vw, 52px); }
  .display-lg { font-size: clamp(28px, 7vw, 40px); }
  .display-md { font-size: clamp(22px, 6vw, 32px); }
  .body-serif { font-size: clamp(16px, 4.5vw, 20px); }

  /* BUTTONS */
  .btn-primary { padding: 13px 28px; font-size: 11px; }
  .btn-outline { padding: 12px 24px; font-size: 11px; }

  /* FOOTER */
  footer { padding: 48px 20px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .footer-tagline { max-width: 100%; }
}

/* ─── SMALL MOBILE (≤600px) ─── */
@media (max-width: 600px) {
  /* SECTIONS */
  .section { padding: 56px 16px; }

  /* EYEBROW - hide decorative lines */
  .eyebrow::before, .eyebrow::after { width: 16px; }

  /* SECTION LABEL */
  .section-label::before { width: 20px; }
}

/* ─── EXTRA SMALL (≤480px) ─── */
@media (max-width: 480px) {
  /* NAV */
  nav { padding: 14px 16px; }
  .nav-logo { font-size: 18px; }

  /* SECTIONS */
  .section { padding: 48px 14px; }

  /* FOOTER */
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { order: -1; }

  /* MOBILE MENU */
  .mobile-menu-link { font-size: 22px; }
  .mobile-menu-logo { font-size: 24px; }
  .mobile-menu-actions { padding: 0 24px; }
}

/* ─── TOUCH: disable hover effects on touch devices ─── */
@media (hover: none) {
  .card:hover { background: var(--bg3); border-color: var(--border); }
  .btn-primary:hover { transform: none; }
}