/* ═══════════════════════════════════════════════════════════
   Treasure Excel Limited — corporate one-pager
   Palette: ink charcoal / warm paper / champagne gold
   Type: Marcellus (display) · Cormorant Garamond (accent) · Jost (body)
   ═══════════════════════════════════════════════════════════ */

:root {
  --ink: #101820;
  --ink-soft: #1a232e;
  --paper: #f6f2ea;
  --paper-deep: #efe9dd;
  --gold: #c6a662;
  --gold-deep: #a8894a;
  --text-ink: #2b2f33;
  --text-paper: #d8d3c8;
  --hairline-ink: rgba(16, 24, 32, 0.14);
  --hairline-gold: rgba(198, 166, 98, 0.35);
  --display: "Marcellus", "Times New Roman", serif;
  --accent: "Cormorant Garamond", Georgia, serif;
  --body: "Jost", "Avenir Next", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-s: 8px;
  --radius-m: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-weight: 400;
  color: var(--text-ink);
  background: var(--paper);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--gold); color: var(--ink); }

img, video { max-width: 100%; display: block; }

a { color: inherit; }

/* ── Media fills ──────────────────────────────────────────── */
.about__media,
.card__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
}
.section__backdrop {
  position: relative;
  overflow: hidden;
}
.about__media img,
.card__media img,
.section__backdrop img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Media placeholders (swap for stock footage later) ────── */
.media-placeholder {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, #1c2530 0%, #0e141b 55%, #232c25 100%);
}
.media-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(-45deg, transparent 0 18px, rgba(198,166,98,0.05) 18px 19px),
    radial-gradient(ellipse at 30% 20%, rgba(198,166,98,0.14), transparent 60%);
}
.media-placeholder::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(198, 166, 98, 0.25);
  pointer-events: none;
}
.media-placeholder__label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  font-family: var(--body);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(216, 211, 200, 0.55);
  text-align: center;
  padding: 0 1.5rem;
  white-space: nowrap;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1.05rem 2.4rem;
  border: 1px solid var(--gold);
  border-radius: var(--radius-s);
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.btn--gold { background: var(--gold); color: var(--ink); }
.btn--gold:hover { background: transparent; color: var(--gold); }
.btn--ghost { background: transparent; color: var(--paper); border-color: rgba(246, 242, 234, 0.4); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem clamp(1.5rem, 5vw, 4rem);
  transition: background 0.5s var(--ease), padding 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.nav--solid {
  background: rgba(16, 24, 32, 0.92);
  backdrop-filter: blur(12px);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  box-shadow: 0 1px 0 var(--hairline-gold);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}
.nav__monogram {
  font-family: var(--display);
  font-size: 1.05rem;
  color: var(--gold);
  border: 1px solid var(--gold);
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  letter-spacing: 0.05em;
  border-radius: var(--radius-s);
}
.nav__wordmark {
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper);
}
.nav__wordmark em { font-style: normal; color: var(--gold); }
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.4rem);
}
.nav__links a {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-paper);
  position: relative;
  padding-bottom: 0.3rem;
  transition: color 0.3s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  border-bottom: 1px solid var(--gold);
  transition: right 0.4s var(--ease);
}
.nav__links a:hover { color: var(--gold); }
.nav__links a:hover::after { right: 0; }
.nav__links .nav__cta {
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 0.55rem 1.3rem 0.55rem;
  border-radius: var(--radius-s);
}
.nav__links .nav__cta::after { display: none; }
.nav__links .nav__cta:hover { background: var(--gold); color: var(--ink); }
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 2.2rem;
  height: 1.4rem;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--gold);
  transition: transform 0.4s var(--ease), top 0.4s var(--ease);
}
.nav__toggle span:first-child { top: 0.3rem; }
.nav__toggle span:last-child { top: 1rem; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
}
.hero__media video { width: 100%; height: 100%; object-fit: cover; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 45%, rgba(16,24,32,0.15), rgba(16,24,32,0.78) 90%),
    linear-gradient(to top, rgba(16,24,32,0.9), transparent 40%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding: 6rem 1.5rem 4rem;
  max-width: 60rem;
}
.hero__eyebrow {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero__rule {
  width: 1px;
  height: 3.2rem;
  margin: 1.6rem auto;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
}
.hero__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 7rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1.05;
}
.hero__subtitle {
  font-family: var(--accent);
  font-style: italic;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  color: var(--text-paper);
  margin-top: 1.4rem;
}
.hero__actions {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.8rem;
}
.hero__scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}
.hero__sound {
  position: absolute;
  right: clamp(1.2rem, 3vw, 2.4rem);
  bottom: 2rem;
  z-index: 3;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: rgba(16, 24, 32, 0.55);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(198, 166, 98, 0.5);
  border-radius: 50%;
  color: var(--text-paper);
  padding: 0;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.hero__sound:hover { color: var(--gold); border-color: var(--gold); }
.hero__sound .hero__sound-waves { display: none; }
.hero__sound .hero__sound-cross { display: block; }
.hero__sound.sound-on .hero__sound-waves { display: block; }
.hero__sound.sound-on .hero__sound-cross { display: none; }
.hero__sound.sound-on { color: var(--gold); border-color: var(--gold); }

.hero__scroll-line {
  width: 1px;
  height: 2.6rem;
  background: var(--gold);
  animation: scrollPulse 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(0.8rem); opacity: 0; }
}

/* ── Sections ─────────────────────────────────────────────── */
.section {
  position: relative;
  padding: clamp(5rem, 10vw, 8.5rem) 0;
  overflow: hidden;
}
.section--paper { background: var(--paper); color: var(--text-ink); }
.section--ink { background: var(--ink); color: var(--text-paper); }
.container {
  width: min(72rem, 100% - clamp(3rem, 8vw, 8rem));
  margin-inline: auto;
}
.container--overlay { position: relative; z-index: 2; }

.kicker {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1.4rem;
}
.section--ink .kicker { color: var(--gold); }

.section__head { margin-bottom: clamp(3rem, 6vw, 4.5rem); max-width: 46rem; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  letter-spacing: 0.03em;
  line-height: 1.16;
  color: var(--ink);
}
.section--ink .section__title { color: var(--paper); }
.section__title em {
  font-family: var(--accent);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gold-deep);
}
.section--ink .section__title em { color: var(--gold); }
.section__intro {
  margin-top: 1.6rem;
  font-size: 1.05rem;
  max-width: 40rem;
}
.section__intro--center { margin-inline: auto; }

/* full-bleed section backdrop (footprint) */
.section__backdrop { position: absolute; inset: 0; }
.section__backdrop-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(16,24,32,0.96) 35%, rgba(16,24,32,0.82));
  z-index: 1;
}

/* ── About ────────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: stretch;
}
.about__text .lede {
  font-family: var(--accent);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 1.6rem;
}
.about__text p + p { margin-top: 1.2rem; }
.media-placeholder--tall { min-height: 24rem; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline-ink);
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 2.4rem;
  gap: 2rem;
}
.stats__item dt {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.5rem;
}
.stats__item dd {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--ink);
}

/* ── Portfolio ────────────────────────────────────────────── */
.portfolio {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
.card { display: flex; flex-direction: column; }
.card__media {
  aspect-ratio: 3 / 4;
  margin-bottom: 1.6rem;
  transition: transform 0.6s var(--ease);
}
.card:hover .card__media { transform: translateY(-0.4rem); }
.card__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin-bottom: 0.7rem;
}
.card__text { font-size: 0.93rem; color: rgba(216, 211, 200, 0.75); }

.assurances {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem 2.8rem;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 2.2rem;
  border-top: 1px solid var(--hairline-gold);
}
.assurances li {
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.assurances li::before { content: "·"; color: var(--text-paper); }
.assurances li:first-child::before { content: none; }

/* ── Trade flow ───────────────────────────────────────────── */
.flow {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem 2.6rem;
}
.flow__step {
  position: relative;
  padding-top: 1.6rem;
  border-top: 1px solid var(--hairline-ink);
}
.flow__num {
  position: absolute;
  top: -0.85rem;
  left: 0;
  background: var(--paper);
  padding-right: 1rem;
  font-family: var(--accent);
  font-style: italic;
  font-size: 1.7rem;
  color: var(--gold-deep);
}
.flow__step h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.flow__step p { font-size: 0.93rem; }
.flow__summary {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  text-align: center;
  font-family: var(--display);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  letter-spacing: 0.06em;
  color: var(--ink);
}
.flow__summary span {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--accent);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--gold-deep);
}

/* ── Footprint ────────────────────────────────────────────── */
.regions {
  list-style: none;
  max-width: 44rem;
}
.regions__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(198, 166, 98, 0.22);
  transition: padding-left 0.4s var(--ease);
}
.regions__item:hover { padding-left: 0.8rem; }
.regions__item h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  letter-spacing: 0.04em;
  color: var(--paper);
}
.regions__item p {
  font-family: var(--accent);
  font-style: italic;
  font-size: 1.02rem;
  color: var(--gold);
  text-align: right;
  white-space: nowrap;
}

/* ── Compliance ───────────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
.pillar {
  background: var(--paper-deep);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius-m);
  padding: 1.8rem 1.5rem;
}
.pillar h3 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.pillar p { font-size: 0.88rem; }

.governance {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.6rem;
  margin-top: clamp(3rem, 6vw, 4rem);
  padding-top: 2.6rem;
  border-top: 1px solid var(--hairline-ink);
}
.governance__col h4 {
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1rem;
}
.governance__col ul { list-style: none; }
.governance__col li {
  font-size: 0.93rem;
  padding: 0.45rem 0 0.45rem 1.4rem;
  position: relative;
}
.governance__col li::before {
  content: "·";
  position: absolute;
  left: 0.3rem;
  color: var(--gold);
}

/* ── Contact ──────────────────────────────────────────────── */
.section--contact { padding-bottom: 0; }
.contact__monogram {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  font-family: var(--display);
  font-size: clamp(18rem, 40vw, 34rem);
  color: rgba(198, 166, 98, 0.05);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.contact__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.6rem;
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
}
.contact__block h4 {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}
.contact__block h4 + p { margin-bottom: 1.4rem; }
.contact__block p { font-size: 0.97rem; }
.contact__block a { text-decoration: none; transition: color 0.3s; }
.contact__block a:hover { color: var(--gold); }

.footer {
  position: relative;
  margin-top: clamp(4rem, 8vw, 6rem);
  padding: 2rem clamp(1.5rem, 5vw, 4rem) 2.4rem;
  border-top: 1px solid rgba(198, 166, 98, 0.18);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(216, 211, 200, 0.55);
}

/* ── Scroll to top ────────────────────────────────────────── */
.to-top {
  position: fixed;
  right: clamp(1.2rem, 3vw, 2.2rem);
  bottom: clamp(1.2rem, 3vw, 2.2rem);
  z-index: 90;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: rgba(16, 24, 32, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.8rem);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), background 0.3s, color 0.3s;
}
.to-top--visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.to-top:hover { background: var(--gold); color: var(--ink); }

/* ── Scroll reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal--visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll-line { animation: none; }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 980px) {
  .portfolio, .pillars { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .governance { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    inset: 0;
    background: rgba(16, 24, 32, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: 2.2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s var(--ease);
  }
  .nav__links.open { opacity: 1; pointer-events: auto; }
  .nav__links a { font-size: 0.95rem; }
  .nav__toggle { display: block; z-index: 110; }
  .nav__toggle.open span:first-child { top: 0.65rem; transform: rotate(45deg); }
  .nav__toggle.open span:last-child { top: 0.65rem; transform: rotate(-45deg); }
  .nav__wordmark { display: none; }

  .about__grid { grid-template-columns: 1fr; }
  .media-placeholder--tall { min-height: 16rem; }
  .portfolio, .flow, .pillars, .contact__grid { grid-template-columns: 1fr; }
  .card__media { aspect-ratio: 16 / 9; }
  .regions__item { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
  .regions__item p { text-align: left; }
  .br-desktop { display: none; }
  .footer { justify-content: center; text-align: center; }
}