/* Casa Trigono · aframe.living — v1 house guide */
:root {
  --cream: #F1EBDD;
  --char: #1F1B17;
  --signal: #FFD400;
  --muted: rgba(31, 27, 23, 0.55);
  --border: rgba(31, 27, 23, 0.12);
  --max: 720px;
  --nav-h: 56px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  color: var(--char);
  background: var(--cream);
  min-height: 100dvh;
}

a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
a:hover { opacity: 0.75; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  line-height: 1.15;
}

.brand__name {
  display: block;
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.brand__sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--char);
}

.nav-toggle svg { width: 18px; height: 18px; }

.site-nav {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--cream);
}

.site-nav.is-open { display: block; }

.site-nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem 1rem;
}

.site-nav section + section { margin-top: 1rem; }

.site-nav h3 {
  margin: 0 0 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}

.site-nav a.is-current {
  font-weight: 700;
  text-decoration: underline;
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    border-top: none;
    border-bottom: 1px solid var(--border);
  }
  .site-nav__inner { padding-top: 0.5rem; padding-bottom: 0.75rem; }
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.stamp {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 1.25rem;
}

.headline {
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: clamp(2.4rem, 8vw, 3.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.01em;
  margin: 0 0 0.75rem;
}

.intro {
  font-style: italic;
  font-size: 1.05rem;
  opacity: 0.82;
  margin: 0 0 1.75rem;
  max-width: 38em;
}

.body-text {
  font-size: 1.05rem;
  max-width: 38em;
  margin: 0 0 1.75rem;
}

.rules { margin: 0 0 2rem; }

.rule {
  margin-bottom: 1.1rem;
  max-width: 38em;
}

.rule__label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.rule__body { margin: 0; font-size: 1rem; }

.caution-band {
  height: 8px;
  margin: 2rem -1.25rem 0;
  background: repeating-linear-gradient(
    45deg,
    var(--signal),
    var(--signal) 8px,
    var(--char) 8px,
    var(--char) 16px
  );
}

@media (min-width: 768px) {
  .caution-band { margin-left: 0; margin-right: 0; border-radius: 0; }
}

.section-title {
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  margin: 2rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.section-title:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.card-grid {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1.5rem;
}

@media (min-width: 480px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}

.link-card {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.15s;
}

.link-card:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.45);
}

.link-card__room {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.link-card__title {
  display: block;
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.room-block { margin-bottom: 2rem; }

.room-block__head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.room-block__swatch {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.room-block__name {
  font-family: "Bebas Neue", "Arial Narrow", sans-serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.room-block__name:hover { opacity: 0.7; }

.breadcrumb {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; opacity: 1; }

.related { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

.related h2 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.related a {
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

.related a:hover { text-decoration: underline; opacity: 1; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.site-footer a { color: var(--muted); }

.coming-soon {
  margin-top: 2rem;
  padding: 1rem 1.15rem;
  border: 1px dashed var(--border);
  font-size: 0.88rem;
  color: var(--muted);
}

.coming-soon strong { color: var(--char); font-weight: 600; }

.guide-lede {
  font-size: 1.05rem;
  max-width: 38em;
  margin: 0 0 2rem;
}

.guide-meta {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.35rem;
}