/* TRIBU & CO. · Gallery landing (English) with high-quality backgrounds */

:root{
  --bg: #fbfaf7;
  --tint: #f3f2ee;
  --panel: rgba(255,255,255,.92);
  --text: #121316;
  --muted: #4c515c;
  --hair: rgba(18,19,22,.12);
  --shadow: 0 22px 70px rgba(18,19,22,.10);
  --radius: 18px;
  --accent: #121316;
  --accent2: rgba(18,19,22,.72);
  --max: 1080px;

  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a{ color:inherit; text-decoration:none; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.mono{ font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; font-size: 12px; color: var(--accent2); }
.kicker{ font-family: var(--mono); letter-spacing: .10em; text-transform: uppercase; font-size: 12px; color: var(--accent2); margin: 0 0 14px; }

.header{
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklab, var(--bg) 84%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair);
}
.header-inner{
  height: 94px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
}
.mark{ display:flex; align-items:center; }
.mark-logo{ height: 70px; width:auto; display:block; }

.nav{
  display:flex;
  align-items:center;
  gap: 14px;
  font-size: 14px;
  color: var(--muted);
}
.nav a{ padding: 9px 11px; border-radius: 999px; }
.nav a:hover{ background: rgba(18,19,22,.05); color: var(--text); }
.nav-cta{
  border: 1px solid var(--hair);
  background: rgba(255,255,255,.55);
  color: var(--text);
}

.hero{
  position: relative;
  padding: 98px 0 58px;
  border-bottom: 1px solid var(--hair);
  overflow: hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:-20px;
  background:
    linear-gradient(180deg, rgba(251,250,247,.92) 0%, rgba(251,250,247,.72) 40%, rgba(251,250,247,.94) 100%),
    url("assets/bg-gallery.jpg");
  background-size: cover;
  background-position: center;
  filter: contrast(1.05) saturate(.9);
  transform: scale(1.02);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 18% 10%, rgba(18,19,22,.08), transparent 60%),
    radial-gradient(700px 380px at 78% 22%, rgba(18,19,22,.06), transparent 55%);
  pointer-events:none;
}
.hero > *{ position: relative; z-index: 1; }

.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items:start;
}
.title{
  font-size: 56px;
  line-height: 1.02;
  margin: 0 0 14px;
  letter-spacing: -0.03em;
}
.title-accent{
  display:inline-block;
  border-bottom: 2px solid rgba(18,19,22,.12);
  padding-bottom: 6px;
}
.lede{
  font-size: 18px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 70ch;
  margin: 0;
}
.actions{
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--accent);
  color: var(--bg);
  font-weight: 680;
  font-size: 14px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 12px 28px rgba(18,19,22,.16);
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); box-shadow: 0 7px 18px rgba(18,19,22,.12); }
.btn-ghost{
  background: rgba(255,255,255,.60);
  color: var(--text);
  box-shadow: none;
}
.btn-ghost:hover{ background: rgba(255,255,255,.78); }

.meta{
  display:flex;
  flex-wrap:wrap;
  gap: 10px 14px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}
.meta span{ padding: 6px 10px; border: 1px solid var(--hair); border-radius: 999px; background: rgba(255,255,255,.62); }

.hero-panel{
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.panel-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--hair);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: rgba(18,19,22,.04);
  color: var(--text);
  font-size: 13px;
}
.panel-art{ padding: 18px; }
.art-frame{
  height: 190px;
  border-radius: 14px;
  border: 1px solid var(--hair);
  background:
    radial-gradient(1100px 280px at 10% 0%, rgba(18,19,22,.08), transparent 60%),
    radial-gradient(900px 240px at 80% 20%, rgba(18,19,22,.06), transparent 55%),
    linear-gradient(180deg, rgba(18,19,22,.03), rgba(18,19,22,.01));
  position: relative;
  overflow: hidden;
}
.art-line{
  position:absolute;
  left: 18px;
  right: 18px;
  height: 1px;
  background: rgba(18,19,22,.10);
}
.art-line:nth-child(1){ top: 52px; }
.art-line:nth-child(2){ top: 98px; opacity: .6; }
.art-line:nth-child(3){ top: 144px; opacity: .4; }

.panel-bottom{ padding: 16px 18px 18px; }
.panel-title{ margin: 0 0 6px; font-weight: 760; }
.panel-text{ margin: 0 0 14px; color: var(--muted); line-height: 1.6; }
.panel-list{ display:flex; flex-wrap:wrap; gap: 10px; }
.panel-list .mono{
  border: 1px solid var(--hair);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.6);
}

.hero-footer{ margin-top: 18px; }
.hero-strip{
  display:flex;
  gap: 12px;
  align-items:center;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: rgba(255,255,255,.60);
  padding: 10px 14px;
  color: var(--muted);
}

.section{ padding: 62px 0; }
.section-tint{
  background: var(--tint);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  position: relative;
}
.section-img{
  position: relative;
  overflow: hidden;
}
.section-img::before{
  content:"";
  position:absolute;
  inset:-40px;
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(243,242,238,.92), rgba(243,242,238,.72)),
    url("assets/bg-lightstreaks.jpg");
  background-size: cover;
  background-position: center;
  opacity: .26;
  filter: saturate(.9) contrast(1.05);
  transform: scale(1.03);
}
.section-img > *{ position: relative; z-index: 1; }

.section-impact{
  position: relative;
  overflow: hidden;
}
.section-impact::before{
  content:"";
  position:absolute;
  inset:-30px;
  background:
    linear-gradient(180deg, rgba(251,250,247,.96), rgba(251,250,247,.78)),
    url("assets/bg-seedling.jpg");
  background-size: cover;
  background-position: center;
  opacity: 1;
  filter: saturate(.95) contrast(1.05);
  transform: scale(1.03);
}
.section-impact > *{ position: relative; z-index: 1; }

.section-head{ max-width: 820px; }
.section-head h2{
  margin: 0 0 10px;
  font-size: 30px;
  letter-spacing: -0.01em;
}
.sub{
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
}

.triptych{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.card{
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,.80);
  padding: 18px;
  backdrop-filter: blur(8px);
}
.label{ margin: 0 0 10px; }
.card h3{ margin: 0 0 8px; font-size: 16px; }
.card p{ margin: 0; color: var(--muted); line-height: 1.75; }

.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.piece{
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,.86);
  padding: 18px;
  box-shadow: 0 1px 0 rgba(18,19,22,.03);
  backdrop-filter: blur(10px);
}
.piece-head{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 14px;
}
.dot{
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(18,19,22,.30);
}
.piece h3{ margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.piece p{ margin: 0 0 14px; color: var(--muted); line-height: 1.75; }
.tags{ display:flex; flex-wrap:wrap; gap: 8px; }
.tags span{
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--hair);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(18,19,22,.03);
}

.note{
  margin-top: 18px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,.72);
  padding: 16px 18px;
  display:flex;
  gap: 14px;
  align-items:flex-start;
  backdrop-filter: blur(8px);
}
.note p{ margin: 0; }
.note .mono{ flex: 0 0 auto; margin-top: 2px; }

.metrics{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.metric{
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,.84);
  padding: 18px;
  backdrop-filter: blur(10px);
}
.metric p{ margin: 0; color: var(--muted); line-height: 1.75; }
.metric h3{ margin: 10px 0 6px; font-size: 16px; color: var(--text); }

.contact{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 14px;
  align-items:start;
}
.contact-panel{
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(255,255,255,.84);
  padding: 18px;
  backdrop-filter: blur(10px);
}
.contact-panel ul{ margin: 12px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.95; }
.fine{
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.footer{ padding: 26px 0; }
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  color: var(--muted);
  flex-wrap: wrap;
}
.subtle{ opacity: .75; }

/* Responsive */
@media (max-width: 980px){
  .title{ font-size: 46px; }
  .hero-grid{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
}
@media (max-width: 860px){
  .triptych, .gallery, .metrics{ grid-template-columns: 1fr; }
  .header-inner{ height: auto; padding: 14px 0; align-items:flex-start; }
  .mark-logo{ height: 64px; }
  .nav{ flex-wrap: wrap; justify-content:flex-end; }
}

/* Dark mode */
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0c0d10;
    --tint:#101218;
    --panel: rgba(15,17,23,.80);
    --text:#eef1f6;
    --muted:#b2bac7;
    --hair: rgba(238,241,246,.12);
    --shadow: 0 22px 70px rgba(0,0,0,.38);
    --accent:#eef1f6;
    --accent2: rgba(238,241,246,.72);
  }
  .btn{ color: #0c0d10; }
  .btn-ghost{ color: var(--text); background: rgba(238,241,246,.08); }
  .nav a:hover{ background: rgba(238,241,246,.06); }
  .meta span{ background: rgba(238,241,246,.06); }
  .badge{ background: rgba(238,241,246,.06); }
  .tags span{ background: rgba(238,241,246,.06); }
  .note{ background: rgba(238,241,246,.06); }
  .card, .piece, .metric, .contact-panel{ background: rgba(15,17,23,.74); }
  .mark-logo{ content: url("assets/logo-white-on-dark.jpeg"); }
  .hero::before{
    background:
      linear-gradient(180deg, rgba(12,13,16,.84) 0%, rgba(12,13,16,.60) 45%, rgba(12,13,16,.88) 100%),
      url("assets/bg-gallery.jpg");
    background-size: cover;
    background-position: center;
    filter: contrast(1.08) saturate(.95);
  }
  .section-impact::before{
    background:
      linear-gradient(180deg, rgba(12,13,16,.92), rgba(12,13,16,.70)),
      url("assets/bg-seedling.jpg");
    background-size: cover;
    background-position: center;
  }
}