/* Feadship-inspired editorial layer: restrained, custom-yacht, high negative space */
:root {
  --navy: #07111f;
  --navy-mid: #0a1727;
  --gold: #b9a06a;
  --gold-dim: rgba(185, 160, 106, 0.62);
  --gold-ghost: rgba(185, 160, 106, 0.14);
  --warm-white: #f4f0e7;
  --paper: #ebe5d8;
  --ink: #172333;
  --mist: #9f998d;
  --rule: rgba(185, 160, 106, 0.2);
  --section-pad: clamp(6rem, 12vw, 12rem);
}

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

body::after {
  opacity: 0.012;
}

.nav {
  background: transparent;
  mix-blend-mode: normal;
}

.nav.is-scrolled {
  background: rgba(7, 17, 31, 0.78);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
}

.nav__inner {
  padding-top: 1.65rem;
  padding-bottom: 1.65rem;
}

.nav__logo-b,
.footer__logo-b {
  font-size: 1.15rem;
  letter-spacing: 0.34em;
}

.nav__links {
  gap: clamp(1.6rem, 4vw, 4.2rem);
  counter-reset: navItem;
}

.nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: rgba(244, 240, 231, 0.74);
}

.nav__link::before {
  counter-increment: navItem;
  content: counter(navItem, upper-roman);
  color: var(--gold);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
}

.nav__link::after {
  bottom: -0.55rem;
}

.nav__cta,
.chapter__btn,
.btn {
  border-radius: 999px;
}

.scroll-hero {
  background:
    radial-gradient(circle at 50% 38%, rgba(40, 71, 83, 0.26), transparent 38%),
    var(--navy);
}

.scroll-hero__frame-canvas.is-ready {
  opacity: 0.78;
}

.scroll-hero__ambient {
  background:
    radial-gradient(circle at 50% 34%, rgba(185, 160, 106, 0.055), transparent 22%),
    linear-gradient(to bottom, rgba(7, 17, 31, 0.1), rgba(7, 17, 31, 0.52));
}

.scroll-hero__vignette {
  background:
    radial-gradient(ellipse 82% 76% at 50% 46%, rgba(7,17,31,0.05) 20%, rgba(7,17,31,0.72) 100%),
    linear-gradient(to bottom, rgba(7,17,31,0.52), rgba(7,17,31,0.06) 34%, rgba(7,17,31,0.82));
}

.chapter {
  padding-inline: clamp(1.5rem, 7vw, 8rem);
}

.chapter__inner {
  max-width: min(82vw, 980px);
}

.chapter__inner--left,
.chapter__inner--right {
  max-width: min(72vw, 800px);
}

.chapter__eyebrow,
.section-label,
.footer__col-head,
.cta-form label {
  letter-spacing: 0.28em;
  color: var(--gold);
}

.chapter__headline {
  font-size: clamp(4.2rem, 9.2vw, 10.5rem);
  line-height: 0.92;
  font-weight: 300;
  letter-spacing: 0;
  text-shadow: 0 22px 70px rgba(7, 17, 31, 0.48);
}

.chapter__sub {
  margin-top: 2.2rem;
  color: rgba(244, 240, 231, 0.68);
}

.chapter__scroll-cue span,
.chapter-counter,
.chapter-dot {
  color: var(--gold);
}

.chapter-dots {
  gap: 0.9rem;
}

.chapter-dot {
  width: 4px;
  height: 4px;
  background: rgba(185, 160, 106, 0.25);
}

.chapter-dot.is-active {
  transform: scale(2);
}

.exterior,
.interior,
.specs,
.gallery {
  background: var(--paper);
  color: var(--ink);
}

.exterior__panel--intro {
  background: var(--paper);
  color: var(--ink);
}

.exterior__intro-content {
  max-width: 780px;
}

.section-title,
.interior__card-name,
.stat__num,
.spec-tile__val {
  color: var(--ink);
}

.section-title {
  font-size: clamp(4rem, 8vw, 9rem);
  line-height: 0.94;
  letter-spacing: 0;
  font-weight: 300;
}

.section-body,
.interior__body-text,
.interior__card-note,
.specs__detail-val {
  color: rgba(23, 35, 51, 0.64);
}

.gold-line,
.section-label::before {
  background: var(--gold);
}

.exterior__scroll-hint {
  color: rgba(23, 35, 51, 0.58);
}

.exterior__panel--img,
.exterior__panel--stats-panel {
  background: #111f2d;
}

.exterior__caption {
  left: auto;
  right: clamp(2rem, 5vw, 5rem);
  bottom: clamp(2rem, 5vw, 5rem);
}

.exterior__img {
  filter: saturate(0.62) brightness(0.86);
}

.interior {
  padding-block: var(--section-pad);
}

.interior__header {
  max-width: 980px;
}

.interior__showcase {
  margin-top: clamp(2.5rem, 5vw, 5rem);
}

.interior__showcase-img {
  width: min(86vw, 1500px);
  margin-inline: auto;
}

.interior__grid {
  margin-top: clamp(5rem, 8vw, 8rem);
}

.craft,
.story,
.cta-sec,
.footer {
  background: var(--navy);
}

.craft__bg {
  background:
    linear-gradient(to bottom, rgba(7,17,31,0.96), rgba(10,23,39,0.98)),
    var(--navy);
}

.craft__headline,
.story__title,
.cta-sec__title {
  font-size: clamp(4rem, 8vw, 8.5rem);
  line-height: 0.94;
  font-weight: 300;
}

.craft__body,
.story__body,
.cta-sec__sub {
  color: rgba(244, 240, 231, 0.62);
}

.specs__grid,
.specs__detail-row {
  border-color: rgba(23, 35, 51, 0.18);
}

.spec-tile,
.specs__detail {
  border-color: rgba(23, 35, 51, 0.18);
}

.spec-tile:hover {
  background: rgba(185, 160, 106, 0.1);
}

.gallery {
  padding-top: 0;
}

.gallery__header {
  padding-top: var(--section-pad);
}

.gallery__grid {
  gap: 0;
}

.gallery__img-wrap img {
  filter: saturate(0.72) brightness(0.88);
}

.cta-form input,
.cta-form textarea {
  border-radius: 0;
}

@media (max-width: 767px) {
  .chapter__headline,
  .section-title,
  .craft__headline,
  .story__title,
  .cta-sec__title {
    font-size: clamp(3rem, 13vw, 5.4rem);
    line-height: 0.96;
  }

  .chapter__inner,
  .chapter__inner--left,
  .chapter__inner--right {
    max-width: 100%;
  }

  /* ── Nav mobile panel on light theme sections ── */
  .nav__mobile-panel {
    background: rgba(7, 17, 31, 0.96);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
  }

  /* ── Section padding tighter on mobile ── */
  :root {
    --section-pad: clamp(3.5rem, 9vw, 6rem);
  }

  .exterior__panel--intro,
  .interior,
  .specs {
    padding-left: max(1.5rem, env(safe-area-inset-left, 1.5rem));
    padding-right: max(1.5rem, env(safe-area-inset-right, 1.5rem));
  }

  /* ── Interior header full-width on mobile ── */
  .interior__header { max-width: 100%; }

  /* ── Gallery no gap on mobile ── */
  .gallery__grid { gap: 2px; }
}

@media (max-width: 480px) {
  .chapter__headline,
  .section-title,
  .craft__headline,
  .story__title,
  .cta-sec__title {
    font-size: clamp(2.6rem, 12.5vw, 4rem);
  }

  /* ── Chapter padding for small phones ── */
  .chapter {
    padding-inline: max(1.2rem, env(safe-area-inset-left, 1.2rem));
  }
}