/* ==========================================================================
   BTS NA SHEVCHENKO TOV — heritage-formal
   Notarial deed: cream paper, near-black field, oxblood and brass rules.
   Centered instrument, not lontex full-bleed, not avtoiva split, not pine gazette.
   ========================================================================== */

:root {
  --bg: #f6f0e6;
  --bg-alt: #ebe4d6;
  --bg-deep: #1c1410;
  --ink: #1c1410;
  --ink-soft: #5c5348;
  --ink-invert: #f6f0e6;
  --accent: #9a3b2f;
  --accent-soft: #ead8c8;
  --line: #d4c8b4;
  --brass: #c4a36a;
  --oxblood: #9a3b2f;
  --paper: #f6f0e6;
  --seal: #1c1410;

  --font-display: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --font-body: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --tracking-display: 0.01em;
  --radius: 0;
  --radius-lg: 0;
  --container: 1080px;
  --container-narrow: 40rem;
  --shadow: none;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- HEADER --- */
.site-header {
  background: color-mix(in srgb, var(--seal) 94%, transparent);
  color: var(--ink-invert);
}
.site-header.is-scrolled {
  border-bottom-color: color-mix(in srgb, var(--brass) 45%, transparent);
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  text-transform: uppercase;
}
.site-header__brand img {
  flex-shrink: 0;
}
.nav a { opacity: 0.82; }
.nav-toggle span { background: var(--ink-invert); }
.mobile-nav { border-bottom-color: color-mix(in srgb, var(--brass) 35%, transparent); }
.mobile-nav a { color: var(--ink-invert); }

.btn {
  border-radius: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 700;
}
.btn--primary {
  background: var(--brass);
  color: var(--seal);
}
.btn--primary:hover {
  transform: none;
  box-shadow: 0 0 0 1px var(--brass);
}
.btn--ghost {
  border: 1px solid var(--seal);
  color: var(--seal);
}
.btn--ghost:hover {
  background: var(--seal);
  color: var(--paper);
  border-color: var(--seal);
}

.eyebrow {
  color: var(--oxblood);
  letter-spacing: 0.22em;
  font-size: 0.68rem;
}

.section--deep {
  background: var(--bg-deep);
  color: var(--ink-invert);
}
.section--deep .lede,
.section--deep p {
  color: color-mix(in srgb, var(--ink-invert) 78%, transparent);
}
.section--deep .eyebrow { color: var(--brass); }

.section__head {
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  text-align: center;
}
.section__head p { margin-top: 1rem; }
.section__head--invert p {
  color: color-mix(in srgb, var(--ink-invert) 78%, transparent);
}

.field select {
  padding: 0.85em 1em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
}

/* --- HERO: notarial deed --- */
.hero {
  padding-block: clamp(2rem, 4vw, 4rem) var(--section-y);
}
.deed {
  border: 1px solid var(--line);
  outline: 1px solid var(--line);
  outline-offset: 7px;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--paper);
  text-align: center;
}
.deed__seal {
  width: 3.4rem;
  height: 3.4rem;
  margin: 0 auto 1.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--brass);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--seal);
}
.hero__meta {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 1.25rem;
}
.hero h1 {
  max-width: 16ch;
  margin-inline: auto;
  font-weight: 700;
}
.hero .lede {
  max-width: 48ch;
  margin: 1.25rem auto 0;
  font-size: var(--step-0);
  font-style: italic;
  color: var(--ink-soft);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.deed__plate {
  margin-top: 2.25rem;
  border: 1px solid var(--line);
  padding: 0.6rem;
}
.deed__plate img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.deed__plate figcaption {
  margin-top: 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* --- TRIAD --- */
.triad__grid {
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: none;
  border-top: 1px solid color-mix(in srgb, var(--brass) 45%, transparent);
}
.triad__grid li {
  padding: 1.75rem 0;
  text-align: center;
  border-bottom: 1px solid color-mix(in srgb, var(--brass) 45%, transparent);
}
.triad__num {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  color: var(--brass);
  margin-bottom: 0.6rem;
}
.triad__grid h3 {
  font-size: var(--step-2);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--ink-invert);
}
.triad__grid p { margin-inline: auto; max-width: 36ch; }

@media (min-width: 800px) {
  .triad__grid {
    grid-template-columns: repeat(3, 1fr);
    border-top: 0;
  }
  .triad__grid li {
    padding: 0 1.5rem;
    border-bottom: 0;
    border-left: 1px solid color-mix(in srgb, var(--brass) 45%, transparent);
  }
  .triad__grid li:first-child { border-left: 0; padding-left: 0; }
  .triad__grid li:last-child { padding-right: 0; }
}

/* --- ABOUT --- */
.about__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.about__copy h2 { max-width: 14ch; }
.about__copy > p { max-width: 42ch; }
.about__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.about__facts dt {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--oxblood);
}
.about__facts dd {
  margin-top: 0.3rem;
  font-weight: 700;
}
.about__plate {
  border: 1px solid var(--line);
  padding: 0.6rem;
}
.about__plate img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.about__plate figcaption {
  margin-top: 0.6rem;
  font-size: 0.72rem;
  font-style: italic;
  color: var(--ink-soft);
}

@media (min-width: 860px) {
  .about__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

/* --- SERVICES: prospectus, not cards --- */
.prospectus {
  list-style: none;
  border-top: 1px solid var(--line);
}
.prospectus li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}
.prospectus li > span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--oxblood);
  font-weight: 700;
  padding-top: 0.35rem;
}
.prospectus h3 {
  font-size: var(--step-1);
  font-weight: 700;
  margin-bottom: 0.45rem;
}
.prospectus p {
  color: var(--ink-soft);
  max-width: 58ch;
}

@media (min-width: 860px) {
  .prospectus {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }
  .prospectus li:nth-child(odd) {
    border-right: 1px solid var(--line);
    padding-right: 1.5rem;
  }
}

/* --- FLOORS --- */
.floors__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}
.floors__copy h2 { max-width: 16ch; }
.floors__copy p { max-width: 48ch; }
.floors__plate {
  border: 1px solid var(--line);
  padding: 0.6rem;
}
.floors__plate img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.spec {
  border: 1px solid var(--line);
  padding: 0;
  overflow-x: auto;
}
.spec__caption {
  padding: 0.85rem 1.1rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--oxblood);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.spec table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--step--1);
}
.spec th,
.spec td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec tbody tr:last-child th,
.spec tbody tr:last-child td { border-bottom: 0; }
.spec thead th {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}
.spec tbody th {
  font-weight: 700;
  white-space: nowrap;
}
.spec tbody td { color: var(--ink-soft); }

@media (min-width: 860px) {
  .floors__grid {
    grid-template-columns: 1fr 1fr;
  }
  .floors__copy { grid-column: 1; }
  .floors__plate { grid-column: 2; grid-row: 1; }
  .spec { grid-column: 1 / -1; }
}

/* --- MARKET --- */
.market__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}
.market__plate,
.market__agency {
  border: 1px solid var(--line);
  padding: 0.6rem;
}
.market__plate img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.market__agency img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.market__agency figcaption {
  margin-top: 0.6rem;
  font-size: 0.72rem;
  font-style: italic;
  color: var(--ink-soft);
}
.market__copy h2 { max-width: 16ch; }
.market__copy p { max-width: 46ch; }
.market blockquote {
  margin-top: 1.5rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  font-style: italic;
  font-size: var(--step-1);
  max-width: 28ch;
}

@media (min-width: 860px) {
  .market__grid {
    grid-template-columns: 0.85fr 1.15fr;
    grid-template-areas:
      "plate copy"
      "agency agency";
  }
  .market__plate { grid-area: plate; }
  .market__copy { grid-area: copy; }
  .market__agency { grid-area: agency; }
}

/* --- HOURS --- */
.hours__grid {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.hours__grid li {
  padding: 1.5rem 0;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.hours__grid h3 {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 0.6rem;
}
.hours__grid p {
  max-width: 32ch;
  margin-inline: auto;
  color: var(--ink-soft);
}
.hours__grid a { color: var(--ink); }

@media (min-width: 800px) {
  .hours__grid {
    grid-template-columns: repeat(3, 1fr);
    border-top: 0;
  }
  .hours__grid li {
    padding: 0 1.25rem;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }
  .hours__grid li:first-child { border-left: 0; padding-left: 0; }
  .hours__grid li:last-child { padding-right: 0; }
}

/* --- FAQ --- */
.faq__list {
  max-width: 44rem;
  margin-inline: auto;
  border-top: 1px solid var(--line);
}
.faq__list > div {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
}
.faq__list dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-1);
  margin-bottom: 0.5rem;
}
.faq__list dd {
  color: var(--ink-soft);
}

/* --- CONTACT --- */
.contact__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}
.contact__form {
  border: 1px solid var(--line);
  outline: 1px solid var(--line);
  outline-offset: 6px;
  padding: clamp(1.25rem, 3vw, 2rem);
}
.contact__note {
  color: var(--ink-soft);
  margin: 0.75rem 0 1.5rem;
  max-width: 42ch;
}
.contact__form .btn { margin-top: 0.5rem; }
.contact__card {
  border: 1px solid var(--line);
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--bg-alt);
}
.contact__list {
  list-style: none;
  margin-top: 1.5rem;
}
.contact__list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.contact__list span {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--oxblood);
}
.contact__list a { word-break: break-word; }

@media (min-width: 860px) {
  .contact__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

/* --- FOOTER --- */
.site-footer {
  background: var(--seal);
  color: var(--ink-invert);
  border-top: 0;
}
.site-footer .muted {
  color: color-mix(in srgb, var(--ink-invert) 62%, transparent);
}
.site-footer__grid {
  display: grid;
  gap: 1.5rem;
}
.site-footer__mark {
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  color: var(--brass);
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.site-footer nav a {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--brass);
}
.site-footer__bottom {
  border-top-color: color-mix(in srgb, var(--brass) 30%, transparent);
}

@media (min-width: 700px) {
  .site-footer__grid {
    grid-template-columns: 1fr auto;
  }
  .site-footer__bottom {
    grid-column: 1 / -1;
  }
}

/* Dark-section buttons on triad stay brass */
.section--deep .btn--ghost {
  border-color: var(--brass);
  color: var(--ink-invert);
}
.section--deep .btn--ghost:hover {
  background: var(--brass);
  color: var(--seal);
  border-color: var(--brass);
}