/* ================================================================
   WEDDING PORTRAIT GALLERY
   Palette: warm linen, blush, champagne, deep espresso
   Glass: Apple Liquid Glass style (specular highlights, refraction)
   Glow:  YouTube Ambient Mode style (dominant color extraction)
   ================================================================ */

/* --- Reset & Tokens ------------------------------------------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root {
  /* surface */
  --bg:       #FAF6F1;
  --bg-warm:  #F3EDE5;
  --linen:    #EDE4D9;

  /* accent */
  --blush:    #D4A99A;
  --rose:     #C08B7E;
  --champagne:#C5A668;

  /* text */
  --ink:      #2E2420;
  --ink-soft: #6B5E55;
  --ink-faint:#A39890;

  /* glass */
  --glass-bg:        rgba(255,255,255,0.55);
  --glass-border:    rgba(255,255,255,0.65);
  --glass-highlight: rgba(255,255,255,0.9);
  --glass-shadow:    0 2px 24px rgba(120,90,70,0.10);

  /* type */
  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Instrument Sans', system-ui, sans-serif;
}

html { scroll-behavior:smooth }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* --- Warm ambient background ---------------------------------- */
.ambience {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ambience-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  will-change: transform;
}
.b1 {
  width: 55vw; height: 55vw;
  top: -15vh; left: -10vw;
  background: radial-gradient(circle, #F0D9C8, #F5E6DA);
  animation: drift 28s ease-in-out infinite alternate;
}
.b2 {
  width: 50vw; height: 50vw;
  bottom: -18vh; right: -8vw;
  background: radial-gradient(circle, #E8CDBD, #F3EDE5);
  animation: drift 34s ease-in-out infinite alternate-reverse;
}
.b3 {
  width: 40vw; height: 40vw;
  top: 30vh; left: 40vw;
  background: radial-gradient(circle, #D4C5A9, #EDE4D9);
  animation: drift 22s ease-in-out infinite alternate;
  animation-delay: -8s;
}
@keyframes drift {
  0%   { transform: translate(0,0) scale(1); }
  50%  { transform: translate(6vw,8vh) scale(1.08); }
  100% { transform: translate(-4vw,3vh) scale(0.95); }
}

/* --- Splash / Loader ------------------------------------------ */
.splash {
  position: fixed; inset:0; z-index:9999;
  background: var(--bg);
  display: flex; align-items:center; justify-content:center;
  transition: opacity .7s ease, visibility .7s ease;
}
.splash.done { opacity:0; visibility:hidden; pointer-events:none; }
.splash-inner { text-align:center; }
.splash-bar {
  width: 120px; height: 2px;
  background: var(--linen);
  border-radius: 2px; overflow:hidden;
}
.splash-fill {
  height: 100%; width: 30%;
  background: var(--blush);
  animation: load-slide 1.2s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes load-slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* --- Page ----------------------------------------------------- */
.page { position:relative; z-index:1; }
.page.hidden { opacity:0; }
.page.visible {
  opacity:1;
  transition: opacity .6s ease;
}

/* --- Masthead ------------------------------------------------- */
.masthead {
  text-align: center;
  padding: 80px 24px 40px;
}
.masthead-kicker {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .2em;
  color: var(--blush);
  margin-bottom: 14px;
}
.masthead-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 6.5vw, 4.8rem);
  line-height: 1.05;
  color: var(--ink);
}
.masthead-title em {
  font-style: italic;
  color: var(--rose);
}
.masthead-sub {
  margin-top: 16px;
  font-size: .95rem;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: .02em;
}

/* --- Filter bar ----------------------------------------------- */
.filter-bar {
  max-width: 480px;
  margin: 0 auto 48px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.filter-input {
  flex: 1;
  padding: 12px 20px;
  border: none;
  border-radius: 100px;
  background: var(--glass-bg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--glass-border);
  /* Apple-style specular inner highlight */
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    var(--glass-shadow);
  font-family: var(--sans);
  font-size: .9rem;
  color: var(--ink);
  outline: none;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.filter-input::placeholder { color: var(--ink-faint); }
.filter-input:focus {
  border-color: var(--blush);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 0 3px rgba(212,169,154,0.18),
    var(--glass-shadow);
}
.filter-count {
  font-size: .82rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* --- Portrait grid -------------------------------------------- */
.portraits {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 28px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* --- Portrait card -------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 14px 18px;
  cursor: pointer;

  /* Apple Liquid Glass surface */
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  /* Specular highlights: top bevel light, subtle depth shadow */
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 -1px 2px rgba(0,0,0,0.02),
    var(--glass-shadow);

  /* entrance animation (triggered by JS) */
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .6s cubic-bezier(.16,1,.3,1),
    transform .6s cubic-bezier(.16,1,.3,1),
    box-shadow .4s ease,
    border-color .4s ease;
  will-change: transform, opacity;
}

.card.in {
  opacity: 1;
  transform: translateY(0);
}

/* YouTube-style ambient glow (color set dynamically by JS) */
.card::after {
  content: '';
  position: absolute;
  inset: 10px;
  border-radius: 24px;
  z-index: -1;
  opacity: 0;
  /* --ambient is set per-card by JS from dominant image color */
  background: var(--ambient, transparent);
  filter: blur(28px);
  transition: opacity .5s ease;
  pointer-events: none;
}
.card:hover::after {
  opacity: 0.45;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 -1px 2px rgba(0,0,0,0.02),
    0 12px 40px rgba(120,90,70,0.14);
  border-color: rgba(255,255,255,0.8);
}

/* --- Portrait image ------------------------------------------- */
.card-img {
  width: 110px; height: 110px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin-bottom: 14px;

  /* Glass bezel ring */
  background: linear-gradient(145deg, rgba(255,255,255,0.7), rgba(255,255,255,0.15));
  padding: 3px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
  transition: box-shadow .4s ease, transform .4s ease;
}

.card:hover .card-img {
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}

.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  opacity: 0;
  transition: opacity .5s ease;
}
.card-img img.loaded { opacity: 1; }

/* Shimmer placeholder */
.card-img::before {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: linear-gradient(110deg, var(--linen) 30%, var(--bg-warm) 50%, var(--linen) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}
.card-img:has(img.loaded)::before { display: none; }
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* --- Card text ------------------------------------------------ */
.card-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: .95rem;
  color: var(--ink);
  text-align: center;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .3s ease;
}
.card:hover .card-name { color: var(--rose); }

.card-label {
  font-size: .68rem;
  color: var(--ink-faint);
  margin-top: 4px;
  letter-spacing: .04em;
}

/* ================================================================
   VIEWER (full-screen overlay with liquid glass panel)
   ================================================================ */
.viewer {
  position: fixed; inset:0; z-index:2000;
  display: flex; align-items:center; justify-content:center;
  opacity: 0; visibility: hidden;
  transition: opacity .5s cubic-bezier(.16,1,.3,1), visibility .5s;
}
.viewer.open { opacity:1; visibility:visible; }

/* Frosted backdrop (extended blur technique from Josh W. Comeau) */
.viewer-frost {
  position: absolute; inset: 0;
  background: rgba(250,246,241,0.5);
  backdrop-filter: blur(32px) saturate(140%);
  -webkit-backdrop-filter: blur(32px) saturate(140%);
}

/* Glass panel */
.viewer-panel {
  position: relative;
  width: 92%; max-width: 440px;
  padding: 52px 36px 40px;
  text-align: center;
  border-radius: 36px;

  /* Apple Liquid Glass surface */
  background: rgba(255,255,255,0.45);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow:
    inset 0 1.5px 0 rgba(255,255,255,0.9),
    inset 0 -1px 3px rgba(0,0,0,0.03),
    0 32px 80px rgba(100,70,50,0.16),
    0 0 0 0.5px rgba(255,255,255,0.3);

  transform: translateY(30px) scale(.96);
  transition: transform .55s cubic-bezier(.16,1,.3,1);
}
.viewer.open .viewer-panel {
  transform: translateY(0) scale(1);
}

.viewer-x {
  position: absolute;
  top: 18px; right: 18px;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink-soft);
  display: flex; align-items:center; justify-content:center;
  cursor: pointer;
  transition: background .25s, color .25s, transform .25s;
}
.viewer-x:hover {
  background: rgba(255,255,255,0.7);
  color: var(--ink);
  transform: scale(1.08);
}

/* Viewer portrait with SVG refraction filter on entrance */
.viewer-ring {
  width: 160px; height: 160px;
  margin: 0 auto 28px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(145deg, rgba(255,255,255,0.7), rgba(255,255,255,0.2));
  box-shadow: 0 12px 36px rgba(100,70,50,0.12);
  overflow: hidden;

  /* SVG refraction on entry, then settles */
  filter: url(#refract);
  animation: glass-settle 1.6s cubic-bezier(.16,1,.3,1) forwards;
}
@keyframes glass-settle {
  0%   { filter: url(#refract); transform: scale(.85); opacity:.6; }
  100% { filter: none;          transform: scale(1);   opacity:1; }
}

.viewer-ring img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.viewer-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.9rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.viewer-sub {
  font-size: .78rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 32px;
}

.viewer-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 100px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--sans);
  font-weight: 500;
  font-size: .9rem;
  text-decoration: none;
  letter-spacing: .02em;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 6px 20px rgba(46,36,32,0.22);
}
.viewer-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(46,36,32,0.3);
}
.viewer-cta svg { transition: transform .25s ease; }
.viewer-cta:hover svg { transform: translate(3px,-3px); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  .masthead { padding: 60px 20px 32px; }
  .portraits {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 18px;
    padding: 0 16px 80px;
  }
  .card { padding: 18px 10px 14px; border-radius: 22px; }
  .card-img { width: 88px; height: 88px; }
  .card-name { font-size: .88rem; }
}
@media (max-width: 480px) {
  .portraits {
    grid-template-columns: repeat(auto-fill, minmax(115px, 1fr));
    gap: 12px;
    padding: 0 12px 60px;
  }
  .card { padding: 14px 8px 12px; border-radius: 18px; }
  .card-img { width: 72px; height: 72px; }
  .card-name { font-size: .82rem; max-width: 100px; }
  .viewer-panel { padding: 40px 24px 32px; border-radius: 28px; }
  .viewer-ring { width: 130px; height: 130px; }
  .viewer-name { font-size: 1.5rem; }
}