/* ==========================================================================
   HELINHEN PLIUS TOV — archival-paper
   Cool gray ledger paper, indigo ruling, a dull-wine margin line.
   Spectral. Folio sheet, numbered counters, a four-line ticket.
   ========================================================================== */

:root {
  --bg: #e4e0d2;
  --bg-alt: #d9d4c4;
  --bg-deep: #1c2433;
  --ink: #1a1814;
  --ink-soft: #5c574c;
  --ink-invert: #f3efe4;
  --accent: #243e6b;
  --accent-soft: #d5dbe8;
  --line: #c3bcaa;
  --rule: #8a8476;
  --sheet: #f3efe4;
  --margin: #8c3e3a;

  --font-display: "Spectral", "Iowan Old Style", Palatino, Georgia, serif;
  --font-body: "Spectral", "Iowan Old Style", Palatino, Georgia, serif;
  --tracking-display: 0;
  --radius: 0;
  --radius-lg: 0;
  --container: 1120px;
  --container-narrow: 40rem;
  --shadow: none;
}

body {
  background: var(--bg);
}

.eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section--deep .eyebrow {
  color: var(--sheet);
}

h1, h2, h3 {
  font-weight: 500;
}

.lede {
  color: var(--ink);
}

.btn--primary {
  background: var(--accent);
  color: var(--ink-invert);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.btn--ghost {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
  border-color: var(--ink);
}

.site-header {
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-top: 4px solid var(--margin);
}

.site-header__brand {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.92rem;
}

.nav a {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.field input,
.field textarea,
.field select {
  background: var(--sheet);
  border-radius: 0;
  border-color: var(--line);
  width: 100%;
}

.field select {
  padding: 0.85em 1em;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

section[id] {
  scroll-margin-top: 5.5rem;
}

figcaption {
  margin-top: 0.55rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- Hero: folio sheet, copy left, plate right --- */
.hero {
  padding-block: clamp(1.5rem, 3vw, 3rem) clamp(2.5rem, 5vw, 4.5rem);
}

.hero__sheet {
  display: grid;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: clamp(1.25rem, 2.5vw, 2.25rem);
  background: var(--sheet);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--accent-soft);
}

.hero__copy h1 {
  margin: 0.45rem 0 1rem;
  max-width: 16ch;
}

.hero__copy p + p {
  margin-top: 0.85rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero__figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

/* --- About: portrait plate, then a narrow column of facts --- */
.about__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.about__figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--ink);
  padding: 0.45rem;
  background: var(--sheet);
}

.about__copy h2 {
  margin: 0.4rem 0 1rem;
}

.about__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.25rem;
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
}

.about__facts dt {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.about__facts dd {
  margin: 0.15rem 0 0;
  font-size: 1.05rem;
}

/* --- Services: full-width ledger rows, not cards --- */
.services__head {
  max-width: 38rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.services__head h2 {
  margin: 0.4rem 0 0.75rem;
}

.ledger {
  list-style: none;
  padding: 0;
  border-bottom: 1px solid var(--ink);
}

.ledger__row {
  display: grid;
  gap: 0.35rem 1.25rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--ink);
}

.ledger__num {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--margin);
  font-size: 0.85rem;
}

.ledger__row h3 {
  font-size: var(--step-1);
}

.ledger__row p {
  margin: 0;
  color: var(--ink-soft);
}

/* --- Ticket: a ruled slip beside a narrow column --- */
.ticket__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.ticket__copy h2 {
  margin: 0.4rem 0 1rem;
}

.ticket__slip {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--sheet);
  border: 1px solid var(--ink);
}

.ticket__slip li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.75rem;
  padding: 1.1rem 1.15rem;
  border-bottom: 1px solid var(--line);
}

.ticket__slip li:last-child {
  border-bottom: 0;
}

.ticket__slip li:nth-child(even) {
  background: var(--accent-soft);
}

.ticket__slip span {
  color: var(--margin);
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

.ticket__slip h3 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.ticket__slip p {
  margin: 0;
  color: var(--ink-soft);
}

/* --- Route: three steps on an ink plate --- */
.route__head {
  max-width: 36rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.75rem);
}

.route__head h2 {
  margin: 0.4rem 0 0.75rem;
}

.route__steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid color-mix(in srgb, var(--ink-invert) 35%, transparent);
}

.route__steps li {
  padding: 1.35rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink-invert) 35%, transparent);
}

.route__steps h3 {
  font-size: var(--step-1);
  margin-bottom: 0.4rem;
}

.route__steps p {
  margin: 0;
  max-width: 42rem;
  color: color-mix(in srgb, var(--ink-invert) 78%, transparent);
}

/* --- Floor: one wide plate, two under it --- */
.floor__head {
  margin-bottom: clamp(1.25rem, 2.5vw, 2rem);
}

.floor__head h2 {
  margin-top: 0.4rem;
}

.floor__grid {
  display: grid;
  gap: var(--gap);
}

.floor__grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.floor__grid figure:first-child img {
  aspect-ratio: 16 / 9;
  max-height: 28rem;
}

.floor__grid figure:nth-child(2) img,
.floor__grid figure:nth-child(3) img {
  aspect-ratio: 4 / 3;
}

/* --- Library: single narrow column, book measure --- */
.library__col h2 {
  margin: 0.45rem 0 1rem;
}

.library__col .lede {
  font-style: italic;
}

/* --- Oblast: letterhead plate --- */
.oblast__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.letterhead {
  padding: 1.35rem 1.25rem;
  background: var(--sheet);
  border: 1px solid var(--ink);
  border-left: 4px solid var(--margin);
}

.letterhead__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0.35rem 0 0.85rem;
}

.letterhead p + p {
  margin-top: 0.85rem;
}

.oblast__grid h2 {
  margin-bottom: 0.85rem;
}

/* --- Contact --- */
.contact__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.contact__aside h2 {
  margin: 0.4rem 0 0.85rem;
}

.contact__dl {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.9rem;
}

.contact__dl div {
  padding-top: 0.7rem;
  border-top: 1px solid var(--rule);
}

.contact__dl dt {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact__dl dd {
  margin: 0.2rem 0 0;
}

.contact__form {
  display: grid;
  gap: 0.9rem;
  padding: clamp(1.1rem, 2vw, 1.6rem);
  background: var(--sheet);
  border: 1px solid var(--ink);
}

/* --- Footer --- */
.footer__grid {
  display: grid;
  gap: 1.5rem;
}

.footer__name {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.footer__label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.site-footer nav {
  display: grid;
  gap: 0.25rem;
}

.site-footer nav a {
  text-decoration: none;
}

.site-footer a {
  text-underline-offset: 0.18em;
}

@media (min-width: 720px) {
  .ledger__row {
    grid-template-columns: 3rem minmax(12rem, 16rem) 1fr;
    align-items: baseline;
  }

  .floor__grid {
    grid-template-columns: 1fr 1fr;
  }

  .floor__grid figure:first-child {
    grid-column: 1 / -1;
  }

  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
  }
}

@media (min-width: 960px) {
  .hero__sheet {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    min-height: 32rem;
  }

  .about__grid {
    grid-template-columns: 0.82fr 1.18fr;
  }

  .ticket__grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .route__steps {
    grid-template-columns: repeat(3, 1fr);
    border-top: 0;
    gap: 1.5rem;
  }

  .route__steps li {
    border-bottom: 0;
    border-top: 1px solid color-mix(in srgb, var(--ink-invert) 45%, transparent);
    padding-top: 1.1rem;
  }

  .oblast__grid,
  .contact__grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
}