/* ═══════════════════════════════════════════════════════════════
   ATRAMENT — shared chrome (mobile nav, guide)
   ═══════════════════════════════════════════════════════════════ */

/* mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.4rem;
  cursor: none;
  color: var(--bone);
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  margin: 6px 0;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (hover: none) { .nav__toggle { cursor: pointer; } }

.nav__drawer {
  position: fixed;
  inset: 0;
  z-index: 48;
  background: rgba(10, 9, 8, 0.94);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.4rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.nav__drawer.is-open {
  opacity: 1;
  visibility: visible;
}
.nav__drawer a {
  font-family: var(--display);
  font-size: clamp(1.8rem, 6vw, 3rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone);
  text-decoration: none;
  opacity: 0;
  transform: translateY(18px);
  transition: color 0.35s ease, opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__drawer.is-open a {
  opacity: 1;
  transform: translateY(0);
}
.nav__drawer a:hover { color: var(--oxblood); }
.nav__drawer a:nth-child(1) { transition-delay: 0.05s; }
.nav__drawer a:nth-child(2) { transition-delay: 0.1s; }
.nav__drawer a:nth-child(3) { transition-delay: 0.15s; }
.nav__drawer a:nth-child(4) { transition-delay: 0.2s; }
.nav__drawer a:nth-child(5) { transition-delay: 0.25s; }
.nav__drawer a:nth-child(6) { transition-delay: 0.3s; }
.nav__drawer a:nth-child(7) { transition-delay: 0.35s; }
.nav__drawer a:nth-child(8) { transition-delay: 0.4s; }
.nav__drawer .mono {
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  color: var(--smoke);
  margin-top: 1rem;
}

@media (max-width: 720px) {
  .nav__toggle { display: block; }
}

/* section rule ornament */
.rule-ornament {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin: 0 auto;
  max-width: 200px;
}
.rule-ornament::before,
.rule-ornament::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.rule-ornament span {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--oxblood);
}

/* ambient ink bleed between sections */
.section-bleed {
  position: relative;
}
.section-bleed::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(420px, 70vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(122, 31, 43, 0.55), transparent);
  pointer-events: none;
}

/* guide page */
.guide-hero {
  min-height: 72svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}
.guide-hero::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 40% 30% at 20% 30%, rgba(122, 31, 43, 0.06), transparent 60%),
    radial-gradient(ellipse 35% 25% at 80% 70%, rgba(176, 141, 79, 0.05), transparent 55%);
  animation: guide-drift 18s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes guide-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(3%, -2%) scale(1.05); }
}
.guide-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 40% at 50% 55%, rgba(122, 31, 43, 0.08), transparent 70%);
  pointer-events: none;
}
.guide-hero__label { margin-bottom: 2rem; }
.guide-hero__title {
  font-family: var(--display);
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0.04em;
  margin-bottom: 1.4rem;
  position: relative;
  z-index: 1;
}
.guide-hero__lede {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  color: var(--smoke);
  max-width: 38ch;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.guide-map {
  padding: clamp(4rem, 10vh, 7rem) clamp(1.4rem, 6vw, 5rem);
  border-top: 1px solid var(--hairline);
}
.guide-map__head {
  text-align: center;
  margin-bottom: clamp(3.5rem, 8vh, 6rem);
}
.guide-map__head h2 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 1rem;
}
.guide-map__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}
.guide-card {
  padding: clamp(2rem, 4vw, 3rem);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  transition: background 0.6s ease;
  position: relative;
  overflow: hidden;
}
.guide-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(122, 31, 43, 0.12), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.guide-card:hover::before { opacity: 1; }
.guide-card:hover { background: rgba(232, 226, 214, 0.02); }
.guide-card__no {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: var(--oxblood);
}
.guide-card__title {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.1;
}
.guide-card__desc {
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--smoke);
  max-width: 36ch;
}
.guide-card__arrow {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: var(--smoke);
  transition: color 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.guide-card:hover .guide-card__arrow {
  color: var(--bone);
  transform: translateX(6px);
}

.guide-routes {
  padding: clamp(4rem, 10vh, 7rem) clamp(1.4rem, 8vw, 9rem);
  border-top: 1px solid var(--hairline);
  max-width: 900px;
  margin: 0 auto;
}
.guide-routes__label { margin-bottom: 2.8rem; }
.guide-routes__list { list-style: none; }
.guide-routes__item {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: 1.2rem;
  align-items: baseline;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--hairline);
}
.guide-routes__item:first-child { border-top: 1px solid var(--hairline); }
.guide-routes__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.8rem;
  color: var(--oxblood);
}
.guide-routes__item h3 {
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}
.guide-routes__item p {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--smoke);
}
.guide-routes__path {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  color: var(--smoke);
  white-space: nowrap;
}
.guide-routes__path a {
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: border-color 0.3s ease, color 0.3s ease;
}
.guide-routes__path a:hover {
  color: var(--oxblood);
  border-color: var(--oxblood);
}

.guide-cta {
  text-align: center;
  padding: clamp(5rem, 12vh, 9rem) 2rem;
  border-top: 1px solid var(--hairline);
  position: relative;
}
.guide-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 45% at 50% 60%, rgba(122, 31, 43, 0.1), transparent 70%);
}
.guide-cta__word {
  font-family: var(--display);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  display: block;
  margin-bottom: 1.6rem;
  position: relative;
}
.guide-cta__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem 2.4rem;
  position: relative;
}
.guide-cta__links a {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--smoke);
  text-decoration: none;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--hairline);
  transition: border-color 0.45s ease, color 0.45s ease, background 0.45s ease;
}
.guide-cta__links a:hover {
  border-color: rgba(122, 31, 43, 0.75);
  color: var(--bone);
  background: rgba(122, 31, 43, 0.06);
}
.guide-cta__links a.is-primary {
  border-color: rgba(122, 31, 43, 0.55);
  color: var(--bone);
}

@media (max-width: 720px) {
  .guide-map__grid { grid-template-columns: 1fr; }
  .guide-routes__item {
    grid-template-columns: 3rem 1fr;
  }
  .guide-routes__path {
    grid-column: 2;
    margin-top: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav__drawer a { opacity: 1; transform: none; }
  .guide-hero::before { animation: none; }
}