/* ============================================================
   STUDIO 37 CUSTOM DESIGNS — Design System
   Blended: Studio 37 craftsman warmth + Bulwark structural DNA
   ============================================================ */

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

/* ── COLOR TOKENS ─────────────────────────────────────────── */
:root {
  /* Studio 37 core surfaces */
  --color-surface-dark:    #1a1714;
  --color-surface-mid:     #231f1b;
  --color-surface-light:   #2e2925;
  --color-surface-card:    #2a2520;

  /* Accent — amber wood tone */
  --color-accent:          #c8864a;
  --color-accent-light:    #dfa06a;
  --color-accent-dark:     #a8683a;
  --color-accent-muted:    rgba(200, 134, 74, 0.15);

  /* Text */
  --color-text-primary:    #f0ebe3;
  --color-text-muted:      #9e9287;
  --color-text-dim:        #6a5f56;
  --color-text-accent:     #c8864a;
  --color-text-on-accent:  #1a1714;

  /* Borders */
  --color-border:          rgba(200, 134, 74, 0.18);
  --color-border-subtle:   rgba(240, 235, 227, 0.08);
  --color-divider:         rgba(240, 235, 227, 0.06);

  /* Status (Bulwark-derived, warm-tinted) */
  --color-success:         #4a9a6a;
  --color-success-tint:    rgba(74, 154, 106, 0.15);
  --color-danger:          #c0392b;
  --color-danger-tint:     rgba(192, 57, 43, 0.15);
  --color-neutral:         #7a6f65;

  /* Admin — Bulwark navy blend */
  --color-admin-bg:        #152030;
  --color-admin-sidebar:   #0f1a28;
  --color-admin-card:      #1c2d40;
  --color-admin-border:    rgba(46, 109, 164, 0.25);
  --color-admin-accent:    #c8864a;

  /* ── TYPOGRAPHY ─────────────────────────────────────────── */
  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;
  --font-mono:     'IBM Plex Mono', 'Courier New', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  2rem;
  --text-4xl:  2.75rem;
  --text-5xl:  3.75rem;
  --text-6xl:  5rem;

  /* ── SPACING ────────────────────────────────────────────── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  --max-width: 1200px;
  --max-width-narrow: 760px;

  /* ── RADIUS / SHADOW ────────────────────────────────────── */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-pill: 999px;

  --shadow-card:  0 1px 8px rgba(0,0,0,0.35), 0 0 0 1px var(--color-border);
  --shadow-warm:  0 4px 24px rgba(200,134,74,0.12);
  --shadow-modal: 0 16px 48px rgba(0,0,0,0.6);

  /* ── TRANSITIONS ────────────────────────────────────────── */
  --ease-base: 200ms ease;
  --ease-fast: 100ms ease;
  --ease-slow: 300ms ease;
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-surface-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── GRAIN TEXTURE ──────────────────────────────────────────── */
.grain::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  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)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px;
}

/* ── NAVIGATION ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  height: 92px;
  background: transparent;
  transition: background var(--ease-slow), box-shadow var(--ease-slow);
}
.nav.scrolled {
  background: rgba(26, 23, 20, 0.94);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border-subtle);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
}
.nav-logo img { height: 72px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--ease-fast);
}
.nav-links a:hover, .nav-links a.active { color: var(--color-text-primary); }
.nav-cta {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: all var(--ease-base);
}
.nav-cta:hover {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 32px;
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--ease-base);
  border: 1.5px solid transparent;
}
.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-warm);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 32px;
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(240,235,227,0.3);
  transition: all var(--ease-base);
}
.btn-ghost:hover {
  border-color: var(--color-text-primary);
  background: rgba(240,235,227,0.05);
}

/* ── SECTION BASE ────────────────────────────────────────────── */
.section {
  padding: var(--space-9) var(--space-8);
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  line-height: 1.15;
}
.section-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  line-height: 1.6;
}

/* ── DIVIDER ─────────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-divider);
  margin: 0;
}

/* ── BADGE ───────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
}
.badge-accent   { background: var(--color-accent-muted); color: var(--color-accent); }
.badge-success  { background: var(--color-success-tint); color: var(--color-success); }
.badge-neutral  { background: rgba(122,111,101,0.2); color: var(--color-neutral); }
.badge-danger   { background: var(--color-danger-tint); color: var(--color-danger); }

/* ── CARD ────────────────────────────────────────────────────── */
.card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--ease-base), box-shadow var(--ease-base);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card), var(--shadow-warm);
}

/* ── PRODUCT CARD ────────────────────────────────────────────── */
.card-product {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--ease-base), box-shadow var(--ease-base);
}
.card-product:hover { transform: translateY(-3px); box-shadow: var(--shadow-warm); }
.card-product-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--color-surface-light);
}
.card-product-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 250ms ease;
}
.card-product:hover .card-product-img img { transform: scale(1.04); }
.card-product-body { padding: var(--space-4) var(--space-5); }
.card-product-category {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.card-product-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: 4px;
  line-height: 1.25;
}
.card-product-sub {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.card-product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-subtle);
}
.card-product-price {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-accent);
}

/* ── SKELETON ────────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-light) 25%,
    rgba(200,134,74,0.06) 50%,
    var(--color-surface-light) 75%
  );
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ── FILTER BAR ──────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.filter-pill {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--ease-base);
}
.filter-pill:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-pill.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-accent);
}

/* ── FORM ELEMENTS ───────────────────────────────────────────── */
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.form-input,
.form-select,
.form-textarea {
  background: var(--color-surface-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  outline: none;
  transition: border-color var(--ease-fast);
  width: 100%;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-muted);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-dim); }
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; min-height: 140px; }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  background: var(--color-surface-dark);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) var(--space-8) var(--space-5);
}

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-surface-dark);
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26,23,20,0.95) 0%,
    rgba(26,23,20,0.4) 50%,
    rgba(26,23,20,0.1) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-10) var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

/* ── ADMIN ───────────────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--color-admin-bg);
}
.admin-sidebar {
  width: 220px;
  min-height: 100vh;
  background: var(--color-admin-sidebar);
  border-right: 1px solid var(--color-admin-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-5) 0;
  flex-shrink: 0;
}
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.admin-topbar {
  height: 60px;
  background: var(--color-admin-card);
  border-bottom: 1px solid var(--color-admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
}
.admin-content {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
}

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav {
    padding: 0 var(--space-5);
    height: 84px;
  }
  .nav-logo img { height: 62px; }
  .nav-links { display: none; }
  .section { padding: var(--space-7) var(--space-5); }
  .section-title { font-size: var(--text-3xl); }
  .hero-content { padding: var(--space-8) var(--space-5); }
}