/* ============================================================
   PM DESIGNS — Bespoke Optical Atelier
   Shared design system
   ============================================================ */

:root {
  /* Palette */
  --ink:        #0c0907;
  --charcoal:   #15110e;
  --char-2:     #1f1813;
  --char-3:     #2a221c;
  --espresso:   #3a2b21;
  --bronze:     #a07845;
  --gold:       #c9a86a;
  --gold-soft:  #d9bf8c;
  --ivory:      #efe7d9;
  --ivory-dim:  #a89e8e;
  --ivory-faint:#6b6358;

  --serif: "Cormorant Garamond", "Cormorant", "EB Garamond", Georgia, serif;
  --sans:  "Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --pad-x: clamp(24px, 5vw, 96px);
  --max:   1440px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--charcoal);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color .4s var(--ease), opacity .4s var(--ease); }
a:hover { color: var(--gold); }
::selection { background: var(--gold); color: var(--ink); }

.display { font-family: var(--serif); font-weight: 300; letter-spacing: -0.01em; line-height: 1.02; color: var(--ivory); }
.eyebrow { font-family: var(--sans); font-size: 11px; font-weight: 500; letter-spacing: 0.32em; text-transform: uppercase; color: var(--gold); }
.eyebrow.dim { color: var(--ivory-dim); }
.lede { font-family: var(--serif); font-style: italic; font-weight: 300; color: var(--ivory); font-size: clamp(20px, 2vw, 28px); line-height: 1.4; }
.muted { color: var(--ivory-dim); }
.faint { color: var(--ivory-faint); }
p { max-width: 62ch; }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 22px var(--pad-x);
  background: linear-gradient(180deg, rgba(12,9,7,.85), rgba(12,9,7,0));
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.site-header .nav-left, .site-header .nav-right {
  display: flex; gap: 36px;
  font-family: var(--sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase; color: var(--ivory-dim);
}
.site-header .nav-right { justify-content: flex-end; }
.site-header a.is-current { color: var(--gold); }
.brand {
  font-family: var(--serif); font-weight: 400; font-size: 22px;
  letter-spacing: 0.42em; color: var(--ivory); text-transform: uppercase;
  padding-left: 0.42em; text-align: center; white-space: nowrap;
}
.brand small {
  display: block; font-family: var(--sans); font-size: 8.5px; font-weight: 500;
  letter-spacing: 0.42em; color: var(--ivory-faint); text-align: center; margin-top: 4px;
  text-transform: uppercase;
}
.brand-logo { display: block; max-height: 40px; max-width: 220px; object-fit: contain; }

.nav-toggle-input { display: none; }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 24px; height: 20px; cursor: pointer; z-index: 51; position: relative;
}
.nav-toggle span {
  display: block; height: 2px; width: 100%; background: var(--ivory);
  transition: transform .35s var(--ease), opacity .25s var(--ease);
}
.mobile-nav { display: none; }

.wrap { padding-inline: var(--pad-x); max-width: var(--max); margin-inline: auto; }
.section { padding-block: clamp(80px, 12vw, 180px); }
.rule { height: 1px; background: var(--char-3); border: 0; margin: 0; }

.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 28px;
  font-family: var(--sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ivory); border: 1px solid var(--char-3);
  background: transparent; cursor: pointer;
  transition: all .5s var(--ease);
}
.btn:hover { color: var(--gold); border-color: var(--gold); }
.btn .arr { transition: transform .5s var(--ease); }
.btn:hover .arr { transform: translateX(6px); }
.btn-gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn-gold:hover { background: transparent; color: var(--gold); }

.link-arrow {
  display: inline-flex; align-items: baseline; gap: 10px;
  font-family: var(--sans); font-size: 11px; font-weight: 500;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold);
  border-bottom: 1px solid transparent; padding-bottom: 4px;
}
.link-arrow:hover { border-color: var(--gold); }

.shot {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 80% at 30% 20%, #3a2a1f 0%, #1a130e 55%, #0b0806 100%);
  isolation: isolate;
}
.shot.warm { background: radial-gradient(140% 100% at 70% 30%, #503824 0%, #1c140e 60%, #0a0706 100%); }
.shot.cool { background: radial-gradient(120% 100% at 20% 80%, #2c2620 0%, #14110d 60%, #080605 100%); }
.shot.dust { background: radial-gradient(110% 90% at 50% 50%, #6a4d2f 0%, #2b1f15 55%, #0c0805 100%); }
.shot::before {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.95  0 0 0 0 0.87  0 0 0 0 0.74  0 0 0 0.16 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay; opacity: .55; pointer-events: none; z-index: 1;
}
.shot::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(110% 90% at 50% 50%, transparent 55%, rgba(0,0,0,.6) 100%);
  pointer-events: none; z-index: 2;
}
.shot .tag {
  position: absolute; left: 16px; bottom: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  color: rgba(239, 231, 217, 0.55); z-index: 3; text-transform: uppercase;
}
.shot .tag::before { content: "▢ "; color: var(--gold); margin-right: 2px; }
.shot .frame-silhouette {
  position: absolute; inset: 0; display: grid; place-items: center; z-index: 2;
}
.shot .frame-silhouette svg {
  width: 58%; max-width: 520px;
  filter: drop-shadow(0 14px 30px rgba(0,0,0,.6)); opacity: .9;
}
.shot .frame-photo {
  position: absolute; inset: 0; z-index: 2;
  width: 100%; height: 100%; object-fit: cover;
}

.site-foot {
  border-top: 1px solid var(--char-3);
  padding: 80px var(--pad-x) 40px;
  color: var(--ivory-dim); background: var(--ink);
}
.foot-grid {
  max-width: var(--max); margin-inline: auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px; align-items: start;
}
.foot-grid h6 {
  margin: 0 0 18px 0;
  font-family: var(--sans); font-size: 10px; font-weight: 500;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--ivory);
}
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 13px; }
.foot-mark {
  font-family: var(--serif); font-size: 32px;
  letter-spacing: 0.38em; color: var(--ivory); text-transform: uppercase;
  margin-bottom: 18px;
}
.foot-meta {
  max-width: var(--max); margin: 70px auto 0;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.18em; color: var(--ivory-faint); text-transform: uppercase;
}

.indexnum { font-family: var(--mono); font-size: 11px; color: var(--gold); letter-spacing: 0.2em; }
.center { text-align: center; }
.divider-mark { width: 1px; height: 60px; background: var(--char-3); margin: 0 auto; position: relative; }
.divider-mark::after {
  content: ""; position: absolute; left: -3px; top: 50%;
  width: 7px; height: 7px; background: var(--gold); border-radius: 50%;
  transform: translateY(-50%) rotate(45deg);
}

@media (max-width: 880px) {
  .site-header { grid-template-columns: auto 1fr auto; padding-block: 18px; }
  .site-header .nav-left { display: flex; }
  .site-header .nav-left a { display: none; }
  .site-header .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .brand { font-size: 15px; letter-spacing: 0.24em; padding-left: 0; }
  .brand small { font-size: 6.5px; letter-spacing: 0.24em; }
  .brand-logo { max-height: 28px; max-width: 140px; margin-inline: auto; }
  .mobile-nav {
    position: fixed; top: var(--header-h, 70px); left: 0; right: 0; z-index: 49;
    display: flex; flex-direction: column; gap: 26px;
    padding: 32px var(--pad-x) 36px;
    background: var(--charcoal);
    box-shadow: 0 24px 48px -16px rgba(0,0,0,.55);
    font-family: var(--sans); font-size: 15px; font-weight: 500;
    letter-spacing: 0.24em; text-transform: uppercase; color: var(--ivory-dim);
    transform: translateY(-16px); opacity: 0; visibility: hidden;
    transition: transform .35s var(--ease), opacity .3s var(--ease), visibility 0s linear .35s;
  }
  #navToggle:checked ~ .mobile-nav {
    transform: translateY(0); opacity: 1; visibility: visible;
    transition: transform .35s var(--ease), opacity .3s var(--ease), visibility 0s;
  }
  #navToggle:checked ~ .nav-left .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  #navToggle:checked ~ .nav-left .nav-toggle span:nth-child(2) { opacity: 0; }
  #navToggle:checked ~ .nav-left .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}