/* =========================================================
   KELAK — style.css
   COLOR PALETTE — change a hex here and it updates everywhere.
   ========================================================= */
:root {
  --dark-walnut:  #622D12;  /* primary dark surface / page background */
  --dark-spruce:  #25401F;  /* deep green — navbar + hero background   */
  --olive-wood:   #885F38;  /* secondary surface, card backgrounds     */
  --palm-leaf:    #8C946B;  /* muted sage — secondary text             */
  --saddle-brown: #8F481B;  /* warm accent — primary buttons           */
  --parchment:    #F3E9D8;  /* cream text on dark, light surfaces      */
  --brass:        #C9A227;  /* gold linework, dividers, flourishes     */
  --ink:          #2A1608;  /* deepest shadow tone                     */

  --font-display: "Playfair Display", Georgia, serif;
  --font-script:  "Cormorant Garamond", Georgia, serif;
  --font-body:    "Spectral", Georgia, serif;

  --radius: 4px;
  --shadow: 0 18px 50px -20px rgba(0,0,0,.75);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--parchment);
  background-color: var(--dark-walnut);
  background-image:
    radial-gradient(1100px 700px at 15% -10%, rgba(201,162,39,.10), transparent 60%),
    radial-gradient(900px 700px at 100% 0%, rgba(37,64,31,.55), transparent 60%),
    linear-gradient(180deg, var(--dark-walnut), var(--ink));
  background-attachment: fixed;
}
img { max-width: 100%; display: block; }
.hidden { display: none !important; }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: .85em; word-break: break-all; }
.muted { color: var(--palm-leaf); }
.center { text-align: center; }

/* ---------- typography ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
.script { font-family: var(--font-script); font-style: italic; font-weight: 600; }
.eyebrow, .subhead { font-family: var(--font-body); text-transform: uppercase; letter-spacing: .28em; font-size: .72rem; color: var(--brass); }
.subhead { margin-bottom: 1rem; }
.lede { font-size: 1.12rem; color: color-mix(in oklab, var(--parchment) 82%, transparent); max-width: 34em; }
.sub { color: var(--palm-leaf); margin-top: -.4rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; cursor: pointer; border: 1px solid transparent;
  font-family: var(--font-body); text-transform: uppercase; letter-spacing: .16em;
  font-size: .78rem; padding: .95rem 1.7rem; border-radius: var(--radius);
  text-decoration: none; transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--saddle-brown); color: var(--parchment); border-color: color-mix(in oklab, var(--brass) 55%, transparent); }
.btn-primary:hover { background: color-mix(in oklab, var(--saddle-brown) 82%, #000); }
.btn-ghost { background: transparent; color: var(--parchment); border-color: color-mix(in oklab, var(--brass) 45%, transparent); }
.btn-ghost:hover { background: color-mix(in oklab, var(--olive-wood) 40%, transparent); }
.btn-sm { padding: .65rem 1.1rem; font-size: .7rem; }
.btn-wide { width: 100%; }
.btn:disabled { opacity: .55; cursor: progress; }
.btn-copied {
  background: color-mix(in oklab, var(--dark-spruce) 55%, transparent) !important;
  border-color: var(--brass) !important;
  color: var(--brass) !important;
  transition: background-color .2s, color .2s, border-color .2s;
}

/* ---------- nav ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: var(--dark-spruce); border-bottom: 1px solid color-mix(in oklab, var(--brass) 35%, transparent); }
.nav-inner { max-width: 1180px; margin: 0 auto; padding: .8rem 1.5rem; display: flex; align-items: center; gap: 1.5rem; }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--parchment); margin-right: auto; }
.logo-slot { display: grid; place-items: center; width: 200px; height: 74px; }
.logo-slot.is-empty { width: 96px; border: 1px dashed color-mix(in oklab, var(--brass) 60%, transparent); border-radius: var(--radius); }
.logo-slot img { width: 100%; height: 100%; object-fit: contain; grid-area: 1/1; }
.logo-slot em { grid-area: 1/1; display: none; font-style: normal; font-size: .6rem; letter-spacing: .08em; color: var(--brass); text-align: center; }
.logo-slot.is-empty em { display: block; }
.wordmark { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: .04em; }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { color: var(--parchment); text-decoration: none; text-transform: uppercase; letter-spacing: .18em; font-size: .72rem; padding-bottom: 2px; border-bottom: 1px solid transparent; }
.nav-links a:hover { border-color: var(--brass); color: var(--brass); }

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--dark-spruce), color-mix(in oklab, var(--dark-spruce) 55%, var(--ink)));
  border-bottom: 1px solid color-mix(in oklab, var(--brass) 30%, transparent);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center;
  padding: 5rem 1.5rem; max-width: 1180px; margin: 0 auto; width: 100%;
}
.hero { max-width: none; }
.hero-copy { max-width: 620px; justify-self: end; }
.hero-actions { display: flex; gap: 1.4rem; flex-wrap: wrap; align-items: center; margin-top: 2rem; }
.cta-plaque { display: block; width: 250px; transition: transform .25s ease, filter .25s ease; filter: drop-shadow(0 12px 22px rgba(0,0,0,.5)); }
.cta-plaque img { width: 100%; height: auto; }
.cta-plaque:hover { transform: translateY(-3px) scale(1.02); filter: drop-shadow(0 16px 28px rgba(0,0,0,.6)) brightness(1.07); }
.hero-art { max-width: 560px; width: 100%; }
.frame { position: relative; padding: 12px; border: 1px solid color-mix(in oklab, var(--brass) 55%, transparent); border-radius: var(--radius); background: linear-gradient(180deg, color-mix(in oklab, var(--olive-wood) 45%, transparent), transparent); box-shadow: var(--shadow); }
.frame::after { content: ""; position: absolute; inset: 5px; border: 1px solid color-mix(in oklab, var(--brass) 28%, transparent); pointer-events: none; }
.frame img { border-radius: 2px; width: 100%; height: clamp(340px, 46vw, 520px); object-fit: cover; object-position: center 40%; }
.vignette { position: absolute; inset: 12px; background: radial-gradient(ellipse at center, transparent 45%, rgba(20,10,4,.75) 100%); pointer-events: none; }

/* ---------- about (hero-style backdrop, fades into page bg) ---------- */
#about.about-hero {
  position: relative;
  max-width: none;
  padding: 6rem 1.5rem 9rem;
  isolation: isolate;
}
#about.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(180deg,
      rgba(20,10,4,.25) 0%,
      color-mix(in oklab, var(--ink) 78%, transparent) 65%),
    url("assets/vault-wall.jpg");
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
}

/* ---------- sections & ornate panels ---------- */
.section { max-width: 1100px; margin: 0 auto; padding: 4.5rem 1.5rem; }
.panel, .card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--olive-wood) 34%, transparent), color-mix(in oklab, var(--dark-walnut) 70%, transparent));
  border: 1px solid color-mix(in oklab, var(--brass) 40%, transparent);
  border-radius: var(--radius); padding: 2.2rem; box-shadow: var(--shadow); position: relative;
}
.ornate::before { content: ""; position: absolute; inset: 7px; border: 1px solid color-mix(in oklab, var(--brass) 22%, transparent); border-radius: 2px; pointer-events: none; }
.panel.narrow { max-width: 720px; margin: 0 auto; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }

@media (min-width: 901px) {
  #how, #why { max-width: 1300px; }
  #how .cards, #why .cards {
    grid-template-columns: repeat(3, minmax(0, 400px));
    justify-content: center;
  }
}

.cards.two { grid-template-columns: repeat(2, 1fr); }
.card p { color: color-mix(in oklab, var(--parchment) 78%, transparent); margin: 0; }
.numeral { font-family: var(--font-display); color: var(--brass); letter-spacing: .3em; font-size: .8rem; }

.form label.checkbox-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  justify-self: start;
  gap: .6rem;
  text-transform: none;
  letter-spacing: normal;
  font-size: .9rem;
  color: var(--parchment);
  width: auto;
}
.form label.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--brass);
}
.form label.checkbox-row span {
  text-transform: none;
  letter-spacing: normal;
}

/* ---------- forms ---------- */
.form { display: grid; gap: 1.15rem; margin-top: 1.6rem; }
.form label { display: grid; gap: .45rem; text-transform: uppercase; letter-spacing: .16em; font-size: .7rem; color: var(--brass); }
input, select, textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--parchment);
  background: color-mix(in oklab, var(--ink) 55%, transparent);
  border: 1px solid color-mix(in oklab, var(--brass) 38%, transparent);
  border-radius: var(--radius); padding: .8rem .9rem; text-transform: none; letter-spacing: normal;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 3px color-mix(in oklab, var(--brass) 18%, transparent); }
select option { background: var(--dark-walnut); }
.note { text-transform: none; letter-spacing: normal; color: var(--palm-leaf); font-size: .8rem; }
.error { color: #E6B7A0; background: color-mix(in oklab, var(--saddle-brown) 30%, transparent); border: 1px solid color-mix(in oklab, var(--saddle-brown) 60%, transparent); padding: .7rem .9rem; border-radius: var(--radius); margin: 0; font-size: .92rem; }

/* ---------- success ---------- */
.success { text-align: center; margin-top: 1.5rem; }
.sprout { font-size: 2.4rem; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: .35rem 1.2rem; text-align: left; max-width: 520px; margin: 1.4rem auto; }
.kv.wide { max-width: none; margin: 1.2rem 0 1.8rem; }
.kv dt { color: var(--brass); text-transform: uppercase; letter-spacing: .16em; font-size: .68rem; padding-top: .3rem; }
.kv dd { margin: 0; }

.card-plate {
  background-image: url("assets/bg-plate.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  aspect-ratio: 1 / 1;
  border: none;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  container-type: inline-size;
}
.card-plate--how { padding: 22% 18%; }
.card-plate--why { padding: 22% 18% 22%; }
.card-plate::before { content: none; }
.card-plate h3 { margin: 0 0 .5rem; font-size: clamp(0.9rem, 9cqw, 1.3rem); }
.card-plate p { font-size: clamp(0.62rem, 6cqw, 0.95rem); line-height: 1.35; }

#how { padding-top: 2rem; padding-bottom: 2rem; }
#why { padding-top: 1rem; padding-bottom: 2rem; }
#how h2, #why h2 { margin-bottom: 1rem; }

/* ---------- vault detail ---------- */
.lookup { display: flex; gap: .7rem; margin: 1.2rem 0; }
.lookup input { flex: 1; }
.locked { text-align: center; padding: 1.5rem 0; }
.lock-glyph { color: var(--brass); width: 96px; margin: 0 auto 1rem; }
.locked-text { font-family: var(--font-script); font-style: italic; font-size: 1.5rem; margin: 0; }
.countdown { font-family: var(--font-display); letter-spacing: .18em; color: var(--palm-leaf); }
.reveal { margin-top: 1.6rem; }
.letter { background: var(--parchment); color: var(--ink); padding: 2.4rem; border-radius: 2px; font-family: var(--font-body); white-space: pre-wrap; box-shadow: var(--shadow); border: 1px solid var(--olive-wood); }
.reveal audio, .reveal video, .reveal img { width: 100%; border: 1px solid color-mix(in oklab, var(--brass) 45%, transparent); border-radius: var(--radius); }

/* ---------- lists ---------- */
.list { display: grid; gap: .7rem; }
.vault-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; border: 1px solid color-mix(in oklab, var(--brass) 28%, transparent); border-radius: var(--radius); padding: .8rem 1rem; background: color-mix(in oklab, var(--ink) 35%, transparent); }
.vault-row b { font-family: var(--font-display); }
.vault-row small { color: var(--palm-leaf); display: block; }

/* ---------- footer ---------- */
.foot { text-align: center; padding: 3rem 1.5rem 4rem; color: var(--palm-leaf); font-size: .85rem; }
.rule { display: block; width: 160px; height: 1px; margin: 0 auto 1.5rem; background: linear-gradient(90deg, transparent, var(--brass), transparent); }
.foot-links { margin-top: .6rem; }
.foot-links a { color: var(--brass); text-decoration: none; letter-spacing: .12em; text-transform: uppercase; font-size: .75rem; border-bottom: 1px solid transparent; }
.foot-links a:hover { border-color: var(--brass); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
  .hero-copy { justify-self: start; }
  .hero-art { max-width: 100%; }
  .cards, .cards.two { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}