/* ============================================================
   PROTOCOL — base styles
   Label-as-design. No rounded corners. Hairline rules everywhere.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html, body, #root { margin: 0; padding: 0; }

html {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11";
}

body {
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

/* type */
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; letter-spacing: -0.015em; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

.mono { font-family: var(--mono); font-feature-settings: "tnum", "zero"; }
.tnum { font-variant-numeric: tabular-nums; }
.caps { text-transform: uppercase; letter-spacing: 0.08em; }
.tcaps { text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; }

/* meta / label-like small text */
.meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.label-num {
  font-family: var(--mono);
  font-feature-settings: "tnum";
  letter-spacing: 0.02em;
}

/* layout */
.shell {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-xs { gap: 4px; }
.gap-sm { gap: 8px; }
.gap   { gap: 16px; }
.gap-lg { gap: 32px; }
.gap-xl { gap: 64px; }

/* hairline rules */
.hr  { border: 0; border-top: 1px solid var(--hair); margin: 0; }
.hr-strong { border: 0; border-top: 1px solid var(--ink); margin: 0; }
.hr-dotted { border: 0; border-top: 1px dotted var(--hair-strong); margin: 0; }
.vr { width: 1px; background: var(--hair); align-self: stretch; }

/* "bar" — the recurring monospace metadata strip */
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}
.bar > span { white-space: nowrap; }
.bar .strong { color: var(--ink); }

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 56px;
  gap: 24px;
}
.nav-inner.dense { height: 44px; }

.nav-mark { font-weight: 600; letter-spacing: -0.02em; font-size: 17px; }
.nav-mark .v { color: var(--ink-3); margin-left: 6px; font-family: var(--mono); font-size: 10.5px; font-weight: 400; letter-spacing: 0.04em; }

.nav-links {
  display: flex;
  gap: 28px;
  justify-content: center;
}
.nav-links a {
  position: relative;
  font-size: 13px;
  letter-spacing: -0.005em;
  color: var(--ink-2);
  padding: 4px 0;
  transition: color 120ms;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  border-bottom: 1px solid var(--ink);
}

.nav-right { display: flex; gap: 16px; justify-content: flex-end; align-items: center; font-size: 11px; }
.nav-right .pill {
  border: 1px solid var(--ink);
  padding: 4px 8px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* section scaffolding */
.section {
  border-bottom: 1px solid var(--hair);
  padding: var(--sec-pad) 0;
}
.section-header {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 32px;
}
.section-header .num { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.section-header .title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }
.section-header .meta { color: var(--ink-3); }

/* hero / display type */
.display {
  font-weight: 400;
  font-size: clamp(48px, 9vw, 140px);
  line-height: 0.9;
  letter-spacing: -0.045em;
}
.display-sm {
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.035em;
}

/* dotted leader (label feel) */
.leader {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.leader .dots {
  flex: 1;
  border-bottom: 1px dotted var(--hair-strong);
  position: relative;
  top: -3px;
}

/* product card */
.card-product {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--hair);
  padding: 24px;
  position: relative;
  cursor: pointer;
  transition: background 200ms;
}
.card-product:last-child { border-right: 0; }
.card-product:hover { background: var(--bg-soft); }
.card-product .bottle-wrap {
  height: 280px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.card-product .num { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.card-product .title { font-size: 17px; margin-top: 4px; letter-spacing: -0.01em; }
.card-product .actives { margin-top: 6px; font-family: var(--mono); font-size: 11px; color: var(--ink-2); }
.card-product .price { margin-top: 20px; font-family: var(--mono); font-size: 13px; }

/* buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background 120ms, color 120ms;
}
.btn:hover { background: var(--bg); color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--bg); }
.btn.sm { height: 32px; padding: 0 12px; font-size: 10px; }

/* table */
table.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.spec th, table.spec td {
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px dotted var(--hair-strong);
  vertical-align: top;
}
table.spec th {
  font-weight: 400;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 38%;
}
table.spec td .v { font-family: var(--mono); font-size: 12.5px; }

/* tag */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--hair-strong);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-2);
}
.tag.active { border-color: var(--ink); color: var(--ink); }
.tag.accent { color: var(--accent); border-color: var(--accent); }

/* marquee */
.marquee {
  display: flex;
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 10px 0;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  white-space: nowrap;
  user-select: none;
}
.marquee-track {
  display: flex;
  gap: 48px;
  animation: marquee 40s linear infinite;
  padding-left: 48px;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

/* grid overlay (identity book) */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* swatch */
.swatch {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
  border: 1px solid var(--hair);
}
.swatch .chip {
  width: 100%; aspect-ratio: 1.4; margin-bottom: 12px;
}
.swatch .name { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.swatch .hex { font-family: var(--mono); font-size: 10.5px; color: var(--ink-2); margin-top: 2px; }

/* journal article card */
.article {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--ink);
  padding-top: 16px;
  padding-bottom: 24px;
}
.article .num { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.article h3 { font-size: 22px; margin-top: 8px; line-height: 1.15; letter-spacing: -0.02em; }
.article p { color: var(--ink-2); margin-top: 8px; font-size: 13.5px; }
.article .more { margin-top: 20px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }

/* footer */
.footer {
  border-top: 1px solid var(--ink);
  padding: 48px 0 32px;
  margin-top: 0;
}

/* visual placeholder */
.placeholder {
  background-image: repeating-linear-gradient(
    45deg,
    var(--bg) 0,
    var(--bg) 6px,
    var(--bg-soft) 6px,
    var(--bg-soft) 12px
  );
  border: 1px solid var(--hair);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* utilities */
.fade-up { animation: fadeUp 480ms cubic-bezier(.22,.61,.36,1) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.ink-2 { color: var(--ink-2); }
.ink-3 { color: var(--ink-3); }
.accent { color: var(--accent); }
.bg-soft { background: var(--bg-soft); }
.bg-ink { background: var(--ink); color: var(--bg); }
.bordered { border: 1px solid var(--ink); }
.bordered-hair { border: 1px solid var(--hair); }

/* responsive */
@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .section-header { grid-template-columns: 1fr; gap: 8px; }
}