/* =========================================================
   LabelsAgent — White Ink Labels (Atelier Clear)
   Sora + Inter
   Navy #0033a0 + Champagne Gold #c9a96a
   Max-width 1280px · WordPress-embeddable
   ========================================================= */

:root {
  /* Brand — Navy */
  --bc-navy: #0033a0;
  --bc-navy-deep: #001f5c;
  --bc-navy-ink: #0a1430;
  --bc-navy-pale: #eef3fc;
  --bc-navy-mist: #f6f9fe;
  --bc-navy-line: #cdddf6;

  /* Accent — Champagne Gold (premium no-label look) */
  --bc-gold: #c9a96a;
  --bc-gold-deep: #a68847;
  --bc-gold-pale: #f5eddc;
  --bc-gold-line: #e8d9b5;

  /* Cool clarity surfaces (clear film / glass) */
  --bc-glass: #f4f8fc;
  --bc-glass-deep: #e6eff8;
  --bc-frost: #fafcff;
  --bc-paper: #ffffff;
  --bc-pearl: #fdfcfa;
  --bc-ink: #1a1521;
  --bc-slate: #5b5563;
  --bc-slate-light: #8b8294;
  --bc-cloud: #f4f3f7;
  --bc-line: #ece9f1;
  --bc-line-soft: #f6f4f9;

  /* Typography */
  --bc-font-display: "Sora", Georgia, serif;
  --bc-font-body:
    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bc-font-mono: "Inter", ui-monospace, "SF Mono", Menlo, monospace;

  /* Radii */
  --bc-r-sm: 8px;
  --bc-r-md: 14px;
  --bc-r-lg: 20px;
  --bc-r-xl: 28px;
  --bc-r-pill: 999px;

  /* Shadows */
  --bc-sh-soft: 0 2px 8px rgba(26, 21, 33, 0.05);
  --bc-sh-md: 0 8px 24px rgba(26, 21, 33, 0.08);
  --bc-sh-lg: 0 18px 50px rgba(26, 21, 33, 0.12);
  --bc-sh-gold: 0 8px 28px rgba(201, 169, 106, 0.18);
  --bc-sh-navy: 0 10px 32px rgba(0, 51, 160, 0.18);

  /* Layout */
  --bc-max: 1280px;
  --bc-pad: clamp(16px, 4vw, 40px);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--bc-font-body);
  color: var(--bc-ink);
  background: var(--bc-pearl);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--bc-navy);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--bc-navy-deep);
}
button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
ul,
ol {
  list-style: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--bc-navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 var(--bc-r-sm) 0;
  z-index: 9999;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* Container — max 1280px */
.container {
  max-width: var(--bc-max);
  margin: 0 auto;
  padding: 0 var(--bc-pad);
}
.container--narrow {
  max-width: 880px;
}
.container--full {
  max-width: 1280px;
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 252, 250, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--bc-line-soft);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--bc-ink);
  letter-spacing: -0.01em;
}
.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(
    135deg,
    var(--bc-navy) 0%,
    var(--bc-navy-deep) 100%
  );
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--bc-font-body);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.02em;
  box-shadow: var(--bc-sh-navy);
}
.brand__name {
  font-family: var(--bc-font-display);
  font-weight: 600;
}
.brand__name em {
  font-style: italic;
  font-weight: 400;
  color: var(--bc-gold-deep);
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.nav a {
  color: var(--bc-ink);
  position: relative;
  padding: 4px 0;
}
.nav a.is-active {
  color: var(--bc-navy);
}
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--bc-navy);
  border-radius: 2px;
}
.nav a:hover {
  color: var(--bc-navy);
}
.nav__cta {
  background: var(--bc-navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--bc-r-pill);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.nav__cta:hover {
  transform: translateY(-1px);
  background: var(--bc-navy-deep);
  color: #fff;
  box-shadow: var(--bc-sh-navy);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
  color: var(--bc-ink);
}
@media (max-width: 900px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bc-paper);
    flex-direction: column;
    padding: 18px var(--bc-pad);
    gap: 14px;
    box-shadow: var(--bc-sh-md);
    border-bottom: 1px solid var(--bc-line);
  }
}

/* ============ BREADCRUMB ============ */
.breadcrumbs {
  background: var(--bc-frost);
  border-bottom: 1px solid var(--bc-line-soft);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 14px 0;
  font-size: 13px;
  color: var(--bc-slate);
}
.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumbs li[aria-current="page"] {
  color: var(--bc-ink);
  font-weight: 500;
}
.breadcrumbs li::after {
  content: "/";
  color: var(--bc-slate-light);
}
.breadcrumbs li:last-child::after {
  display: none;
}
.breadcrumbs a {
  color: var(--bc-slate);
}
.breadcrumbs a:hover {
  color: var(--bc-navy);
}

/* ============ SECTION BASE ============ */
.section {
  padding: 80px 0;
}
.section--alt {
  background: var(--bc-glass);
}
.section--paper {
  background: var(--bc-paper);
}
.section--tight {
  padding: 48px 0;
}
.section-head {
  max-width: 1080px;
  margin-bottom: 48px;
}
.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--bc-navy);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head__eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--bc-gold);
  border-radius: 2px;
}
.section-head h2 {
  font-family: var(--bc-font-display);
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--bc-navy-ink);
  letter-spacing: -0.02em;
}
.section-head p {
  margin-top: 14px;
  color: var(--bc-slate);
  font-size: 16px;
  line-height: 1.6;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--bc-r-pill);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--bc-navy);
  color: #fff;
  box-shadow: var(--bc-sh-navy);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--bc-navy-deep);
  color: #fff;
  box-shadow: 0 14px 36px rgba(0, 51, 160, 0.28);
}
.btn--ghost {
  background: transparent;
  color: var(--bc-navy);
  border: 1px solid var(--bc-navy);
}
.btn--ghost:hover {
  background: var(--bc-navy);
  color: #fff;
  transform: translateY(-2px);
}
.btn--gold {
  background: linear-gradient(
    135deg,
    var(--bc-gold) 0%,
    var(--bc-gold-deep) 100%
  );
  color: #fff;
  box-shadow: var(--bc-sh-gold);
}
.btn--gold:hover {
  transform: translateY(-2px);
  color: #fff;
}
.btn--sm {
  padding: 8px 16px;
  font-size: 13px;
}
.btn--lg {
  padding: 16px 32px;
  font-size: 16px;
}
.btn--block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 80% 0%, var(--bc-gold-pale) 0%, transparent 45%),
    radial-gradient(ellipse at 0% 80%, var(--bc-navy-pale) 0%, transparent 50%),
    linear-gradient(180deg, var(--bc-frost) 0%, var(--bc-pearl) 100%);
  padding: 64px 0 80px;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--bc-r-pill);
  background: rgba(0, 51, 160, 0.06);
  color: var(--bc-navy);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__eyebrow i {
  width: 14px;
  height: 14px;
}
.hero h1 {
  font-family: var(--bc-font-display);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--bc-navy-ink);
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic;
  font-weight: 600;
  background: linear-gradient(
    135deg,
    var(--bc-gold) 0%,
    var(--bc-gold-deep) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--bc-gold-deep);
}
.hero__lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--bc-slate);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 13px;
  color: var(--bc-slate);
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero__meta-item i {
  width: 16px;
  height: 16px;
  color: var(--bc-navy);
}

/* ============ HERO VISUAL — Ink Layer Stack Composer ============ */
.hero__visual {
  position: relative;
  height: 580px;
}
.hero-stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.layer-stack {
  position: relative;
  width: 340px;
  height: 440px;
  perspective: 1200px;
}
.layer {
  position: absolute;
  left: 0;
  right: 0;
  height: 60px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: var(--bc-sh-md);
  transition: transform 0.4s ease;
}
.layer__num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--bc-font-body);
  font-weight: 700;
  font-size: 11px;
  margin-right: 14px;
  flex-shrink: 0;
}
.layer__label {
  flex: 1;
  color: var(--bc-ink);
}
.layer__tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bc-slate);
}
.layer--foil {
  top: 0;
  z-index: 5;
  background: linear-gradient(135deg, #f5d989 0%, #c9a96a 50%, #a68847 100%);
  color: #fff;
}
.layer--foil .layer__num {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}
.layer--foil .layer__label {
  color: #fff;
}
.layer--foil .layer__tag {
  color: rgba(255, 255, 255, 0.85);
}
.layer--lamination {
  top: 70px;
  z-index: 4;
  background: linear-gradient(
    135deg,
    rgba(220, 235, 255, 0.9) 0%,
    rgba(180, 210, 250, 0.85) 100%
  );
  backdrop-filter: blur(4px);
}
.layer--lamination .layer__num {
  background: var(--bc-navy);
  color: #fff;
}
.layer--cmyk {
  top: 140px;
  z-index: 3;
  background: linear-gradient(
    90deg,
    #ff5b5b 0%,
    #ffb84d 20%,
    #ffe14d 40%,
    #5bd17a 60%,
    #4dc3ff 80%,
    #a572ff 100%
  );
  color: #fff;
}
.layer--cmyk .layer__num {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}
.layer--cmyk .layer__label {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
.layer--cmyk .layer__tag {
  color: rgba(255, 255, 255, 0.95);
}
.layer--white {
  top: 210px;
  z-index: 2;
  background: linear-gradient(180deg, #ffffff 0%, #f4f1ea 100%);
  border: 2px solid var(--bc-gold-line);
  box-shadow: var(--bc-sh-gold);
}
.layer--white .layer__num {
  background: var(--bc-gold);
  color: #fff;
}
.layer--white .layer__label {
  color: var(--bc-navy-ink);
  font-weight: 700;
}
.layer--white .layer__tag {
  color: var(--bc-gold-deep);
}
.layer--film {
  top: 280px;
  z-index: 1;
  height: 70px;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(180, 210, 250, 0.12) 0 14px,
      rgba(255, 255, 255, 0.4) 14px 28px
    ),
    linear-gradient(
      180deg,
      rgba(240, 248, 255, 0.85) 0%,
      rgba(220, 235, 250, 0.75) 100%
    );
  backdrop-filter: blur(6px);
  border: 1px solid rgba(120, 160, 220, 0.3);
  align-items: flex-start;
  padding-top: 18px;
}
.layer--film .layer__num {
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
}
.layer--film .layer__label {
  color: var(--bc-navy);
}
.layer--film .layer__tag {
  color: var(--bc-navy);
}

.hero-callout {
  position: absolute;
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-md);
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--bc-navy-ink);
  box-shadow: var(--bc-sh-md);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-callout i {
  width: 14px;
  height: 14px;
  color: var(--bc-gold-deep);
}
.hero-callout--1 {
  top: 24px;
  right: -30px;
}
.hero-callout--2 {
  top: 200px;
  left: -50px;
}
.hero-callout--3 {
  bottom: 140px;
  right: -20px;
}

.hero-stressor {
  position: absolute;
  bottom: 55px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
  max-width: 420px;
}
.stressor-chip {
  padding: 6px 12px;
  border-radius: var(--bc-r-pill);
  background: rgba(26, 21, 33, 0.06);
  color: var(--bc-ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.stressor-chip i {
  width: 12px;
  height: 12px;
  color: var(--bc-navy);
}

.hero-verdict {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  border-radius: var(--bc-r-pill);
  background: linear-gradient(
    135deg,
    var(--bc-navy) 0%,
    var(--bc-navy-deep) 100%
  );
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: var(--bc-sh-navy);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.hero-verdict i {
  width: 14px;
  height: 14px;
  color: var(--bc-gold);
}

/* ============ TRUST STRIP ============ */
.trust-strip {
  background: linear-gradient(
    135deg,
    var(--bc-navy-ink) 0%,
    var(--bc-navy-deep) 100%
  );
  color: #fff;
  padding: 28px 0;
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
}
.trust-item i {
  width: 24px;
  height: 24px;
  color: var(--bc-gold);
  flex-shrink: 0;
}
.trust-item span {
  line-height: 1.3;
}
.trust-item strong {
  display: block;
  font-size: 14px;
  color: #fff;
  margin-bottom: 2px;
}

/* ============ SHORT ANSWER ============ */
.short-answer {
  background: var(--bc-paper);
  padding: 56px 0;
  border-bottom: 1px solid var(--bc-line-soft);
}
.short-answer__quote {
  font-family: var(--bc-font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--bc-navy-ink);
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  padding: 0 40px;
}
.short-answer__quote::before,
.short-answer__quote::after {
  font-family: Georgia, serif;
  font-size: 64px;
  line-height: 1;
  color: var(--bc-gold);
  position: absolute;
  top: 0;
  opacity: 0.4;
}
.short-answer__quote::before {
  content:"\201C";
  left: 0;
}
.short-answer__quote::after {
  content:"\201D";
  right: 0;
}

/* ============ CARDS GRID ============ */
.cards-grid {
  display: grid;
  gap: 24px;
}
.cards-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.cards-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
.cards-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-lg);
  padding: 28px;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bc-sh-md);
  border-color: var(--bc-navy-line);
}
.card--gold-border {
  border-top: 3px solid var(--bc-gold);
}
.card--navy-bg {
  background: linear-gradient(
    160deg,
    var(--bc-navy) 0%,
    var(--bc-navy-deep) 100%
  );
  color: #fff;
  border-color: transparent;
}
.card--navy-bg h3 {
  color: #fff;
}
.card--navy-bg p {
  color: rgba(255, 255, 255, 0.85);
}
.card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.card__icon i {
  width: 22px;
  height: 22px;
}
.card--gold-border .card__icon {
  background: var(--bc-gold-pale);
  color: var(--bc-gold-deep);
}
.card h3 {
  font-family: var(--bc-font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--bc-navy-ink);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--bc-slate);
}
.card__tag {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 10px;
  border-radius: var(--bc-r-pill);
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.card__tag--gold {
  background: var(--bc-gold-pale);
  color: var(--bc-gold-deep);
}
.card__tag--critical {
  background: #fdecea;
  color: #c63b2f;
}
.card__tag--high {
  background: #fff4e5;
  color: #a85a0e;
}
.card__tag--standard {
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
}

/* ============ OPACITY LAB (UNIQUE) ============ */
.opacity-lab {
  background: linear-gradient(160deg, #0a1430 0%, #0f2454 50%, #081229 100%);
  color: #fff;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}
.opacity-lab::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(201, 169, 106, 0.18) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.opacity-lab .section-head__eyebrow {
  color: var(--bc-gold);
}
.opacity-lab .section-head__eyebrow::before {
  background: var(--bc-gold);
}
.opacity-lab .section-head h2 {
  color: #fff;
}
.opacity-lab .section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.lab-part {
  margin-top: 64px;
  position: relative;
}
.lab-part__head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.lab-part__num {
  font-family: var(--bc-font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--bc-gold);
  text-transform: uppercase;
}
.lab-part__title {
  font-family: var(--bc-font-display);
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}
.lab-part__desc {
  margin-left: auto;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 340px;
  text-align: right;
}

/* Part 1 — Ink Layer Anatomy */
.anatomy-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.anatomy-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--bc-r-md);
  padding: 24px 20px;
  text-align: center;
  transition:
    background 0.3s ease,
    transform 0.3s ease;
}
.anatomy-card:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-3px);
}
.anatomy-card__layer {
  height: 36px;
  border-radius: 8px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.anatomy-card--foil .anatomy-card__layer {
  background: linear-gradient(135deg, #f5d989 0%, #c9a96a 50%, #a68847 100%);
}
.anatomy-card--lam .anatomy-card__layer {
  background: linear-gradient(
    135deg,
    rgba(220, 235, 255, 0.7) 0%,
    rgba(180, 210, 250, 0.6) 100%
  );
  backdrop-filter: blur(2px);
  border: 1px solid rgba(180, 210, 250, 0.4);
}
.anatomy-card--cmyk .anatomy-card__layer {
  background: linear-gradient(
    90deg,
    #ff5b5b 0%,
    #ffb84d 25%,
    #ffe14d 50%,
    #5bd17a 70%,
    #4dc3ff 100%
  );
}
.anatomy-card--white .anatomy-card__layer {
  background: linear-gradient(180deg, #fff 0%, #f4f1ea 100%);
  border: 1px solid var(--bc-gold);
}
.anatomy-card--film .anatomy-card__layer {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.1) 0 8px,
      transparent 8px 16px
    ),
    linear-gradient(
      180deg,
      rgba(240, 248, 255, 0.3) 0%,
      rgba(200, 225, 250, 0.2) 100%
    );
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.anatomy-card__num {
  display: inline-block;
  font-family: var(--bc-font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--bc-gold);
  margin-bottom: 6px;
}
.anatomy-card__name {
  font-family: var(--bc-font-display);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}
.anatomy-card__role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* Part 2 — Opacity Comparison */
.opacity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.opacity-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--bc-r-md);
  padding: 22px;
  position: relative;
}
.opacity-card--top {
  border-color: var(--bc-gold);
  background: linear-gradient(
    160deg,
    rgba(201, 169, 106, 0.12) 0%,
    rgba(201, 169, 106, 0.04) 100%
  );
}
.opacity-card__pill {
  position: absolute;
  top: -10px;
  right: 16px;
  padding: 4px 10px;
  border-radius: var(--bc-r-pill);
  background: var(--bc-gold);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.opacity-card__swatch {
  height: 80px;
  border-radius: 10px;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.85) 0%,
    rgba(240, 248, 255, 0.6) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.opacity-card__swatch::before {
  content: "Aa Bb Cc";
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--bc-navy-ink);
}
.opacity-card__swatch--70::before {
  opacity: 0.7;
}
.opacity-card__swatch--85::before {
  opacity: 0.85;
}
.opacity-card__swatch--92::before {
  opacity: 0.92;
}
.opacity-card__swatch--97::before {
  opacity: 0.97;
}
.opacity-card__material {
  font-family: var(--bc-font-display);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.opacity-card__value {
  font-family: var(--bc-font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--bc-gold);
  margin-bottom: 6px;
}
.opacity-card__value span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
}
.opacity-card__note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

/* Part 3 — No-Label Look Spectrum */
.spectrum-table {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--bc-r-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.spectrum-row {
  display: grid;
  grid-template-columns: 60px 2fr 1.4fr 1fr 100px;
  gap: 18px;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
}
.spectrum-row:last-child {
  border-bottom: none;
}
.spectrum-row--head {
  background: rgba(255, 255, 255, 0.04);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
}
.spectrum-row__scenario {
  color: #fff;
  font-weight: 500;
}
.spectrum-row__demo {
  height: 36px;
  border-radius: 6px;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(220, 235, 255, 0.3) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--bc-navy-ink);
}
.spectrum-row__demo--invisible {
  color: rgba(26, 21, 33, 0.18);
}
.spectrum-row__demo--white {
  background: linear-gradient(135deg, #fff 0%, #f4f1ea 100%);
}
.spectrum-row__demo--gold {
  background: linear-gradient(135deg, #f5d989 0%, #c9a96a 50%, #a68847 100%);
  color: #fff;
}
.spectrum-row__demo--double {
  background: linear-gradient(135deg, #ffffff 0%, #fffaf0 100%);
  border: 2px solid var(--bc-gold);
}
.spectrum-row__note {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}
.spectrum-row__rating {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--bc-r-pill);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.rating--no {
  background: rgba(255, 90, 90, 0.18);
  color: #ff8585;
}
.rating--fair {
  background: rgba(255, 184, 77, 0.18);
  color: #ffb84d;
}
.rating--good {
  background: rgba(91, 209, 122, 0.18);
  color: #5bd17a;
}
.rating--premium {
  background: rgba(201, 169, 106, 0.25);
  color: var(--bc-gold);
}

/* ============ MATERIALS TABLE ============ */
.mat-table {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-lg);
  overflow: hidden;
  box-shadow: var(--bc-sh-soft);
}
.mat-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 2.2fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 24px 28px;
  border-bottom: 1px solid var(--bc-line-soft);
}
.mat-row:last-child {
  border-bottom: none;
}
.mat-row--head {
  background: var(--bc-navy-ink);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.mat-row--head > div {
  color: rgba(255, 255, 255, 0.7);
}
.mat-name {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--bc-font-display);
  font-weight: 600;
  color: var(--bc-navy-ink);
  font-size: 15px;
}
.mat-swatch {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  flex-shrink: 0;
  border: 1px solid var(--bc-line);
  position: relative;
  overflow: hidden;
}
.mat-swatch--clear-bopp {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(180, 210, 250, 0.18) 0 6px,
      rgba(255, 255, 255, 0.5) 6px 12px
    ),
    linear-gradient(
      180deg,
      rgba(240, 248, 255, 0.6) 0%,
      rgba(220, 235, 250, 0.5) 100%
    );
}
.mat-swatch--clear-pet {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(180, 210, 250, 0.22) 0 4px,
      rgba(255, 255, 255, 0.65) 4px 8px
    ),
    linear-gradient(
      180deg,
      rgba(245, 250, 255, 0.75) 0%,
      rgba(220, 235, 250, 0.6) 100%
    );
}
.mat-swatch--foil-combo {
  background: linear-gradient(135deg, #c9a96a 0%, #a68847 100%);
}
.mat-swatch--clear-vinyl {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(180, 210, 250, 0.25) 0 8px,
      rgba(255, 255, 255, 0.45) 8px 16px
    ),
    linear-gradient(
      180deg,
      rgba(235, 245, 255, 0.55) 0%,
      rgba(200, 225, 250, 0.45) 100%
    );
}
.mat-swatch--silver-pet {
  background: linear-gradient(135deg, #d8d8d8 0%, #a8a8a8 50%, #888 100%);
}
.mat-why {
  font-size: 13px;
  color: var(--bc-slate);
  line-height: 1.55;
}
.mat-ink-req {
  text-align: right;
}
.mat-ink-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--bc-r-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mat-ink-tag--required {
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
}
.mat-ink-tag--combined {
  background: var(--bc-gold-pale);
  color: var(--bc-gold-deep);
}
.mat-ink-tag--contrast {
  background: var(--bc-cloud);
  color: var(--bc-ink);
}

/* ============ FORMATS ============ */
.format-card {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-lg);
  padding: 32px 28px;
  text-align: center;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  position: relative;
}
.format-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bc-sh-md);
}
.format-card--featured {
  border: 2px solid var(--bc-gold);
  background: linear-gradient(
    180deg,
    var(--bc-paper) 0%,
    var(--bc-gold-pale) 100%
  );
}
.format-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: var(--bc-r-pill);
  background: var(--bc-gold);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.format-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
}
.format-card__icon i {
  width: 28px;
  height: 28px;
}
.format-card h3 {
  font-family: var(--bc-font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--bc-navy-ink);
  margin-bottom: 8px;
}
.format-card__speed {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  border-radius: var(--bc-r-pill);
  background: var(--bc-gold-pale);
  color: var(--bc-gold-deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.format-card p {
  font-size: 14px;
  color: var(--bc-slate);
  line-height: 1.6;
  margin-bottom: 18px;
}

/* ============ ARTWORK + SIZES SPLIT ============ */
.split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: start;
}
.tip-card {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-left: 3px solid var(--bc-gold);
  border-radius: var(--bc-r-md);
  padding: 22px 24px;
  margin-bottom: 14px;
  transition: transform 0.2s ease;
}
.tip-card:hover {
  transform: translateX(4px);
}
.tip-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.tip-card__num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bc-gold);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
}
.tip-card h4 {
  font-family: var(--bc-font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--bc-navy-ink);
}
.tip-card p {
  font-size: 13px;
  color: var(--bc-slate);
  line-height: 1.55;
  padding-left: 36px;
}

.sizes-panel {
  background: linear-gradient(
    160deg,
    var(--bc-navy) 0%,
    var(--bc-navy-deep) 100%
  );
  color: #fff;
  border-radius: var(--bc-r-lg);
  padding: 32px 28px;
}
.sizes-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.sizes-panel__head i {
  width: 24px;
  height: 24px;
  color: var(--bc-gold);
}
.sizes-panel__head h3 {
  font-family: var(--bc-font-display);
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}
.size-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
}
.size-row:last-child {
  border-bottom: none;
}
.size-row__label {
  color: rgba(255, 255, 255, 0.85);
}
.size-row__dim {
  font-family: var(--bc-font-mono);
  font-size: 12px;
  color: var(--bc-gold);
}
.size-row__badge {
  padding: 3px 8px;
  border-radius: var(--bc-r-sm);
  background: rgba(255, 255, 255, 0.08);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}

/* ============ WHY US NAVY BAND ============ */
.why-band {
  background: linear-gradient(
    135deg,
    var(--bc-navy-ink) 0%,
    var(--bc-navy-deep) 60%,
    #050a20 100%
  );
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.why-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(
      circle at 20% 30%,
      rgba(201, 169, 106, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(0, 51, 160, 0.18) 0%,
      transparent 50%
    );
  pointer-events: none;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}
.why-item {
  text-align: center;
  padding: 0 12px;
}
.why-item__value {
  font-family: var(--bc-font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: var(--bc-gold);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.why-item__value span {
  font-size: 0.55em;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
}
.why-item__label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* ============ PRODUCTION ============ */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.prod-card {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-lg);
  padding: 32px 28px;
  position: relative;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}
.prod-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--bc-sh-md);
}
.prod-card__step {
  position: absolute;
  top: -14px;
  left: 28px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--bc-gold) 0%,
    var(--bc-gold-deep) 100%
  );
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--bc-sh-gold);
}
.prod-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  display: grid;
  place-items: center;
  margin: 14px 0 18px;
}
.prod-card__icon i {
  width: 22px;
  height: 22px;
}
.prod-card h3 {
  font-family: var(--bc-font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--bc-navy-ink);
  margin-bottom: 8px;
}
.prod-card p {
  font-size: 14px;
  color: var(--bc-slate);
  line-height: 1.6;
}

/* ============ SAMPLE BANNER ============ */
.sample-banner {
  background:
    radial-gradient(
      ellipse at 0% 50%,
      rgba(201, 169, 106, 0.2) 0%,
      transparent 50%
    ),
    linear-gradient(120deg, var(--bc-navy) 0%, var(--bc-navy-deep) 100%);
  color: #fff;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.sample-banner__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
.sample-banner__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}
.sample-banner__price-value {
  font-family: var(--bc-font-display);
  font-size: 64px;
  font-weight: 800;
  color: var(--bc-gold);
  line-height: 1;
  letter-spacing: -0.03em;
}
.sample-banner__price-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.sample-banner h2 {
  font-family: var(--bc-font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.sample-banner p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.6;
  max-width: 520px;
}
.sample-banner__cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ============ RELATED ============ */
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.related-card {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-md);
  padding: 22px;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--bc-sh-md);
  border-color: var(--bc-gold-line);
}
.related-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.related-card__icon i {
  width: 18px;
  height: 18px;
}
.related-card h3 {
  font-family: var(--bc-font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--bc-navy-ink);
  margin-bottom: 6px;
}
.related-card p {
  font-size: 13px;
  color: var(--bc-slate);
  line-height: 1.55;
  margin-bottom: 12px;
  flex: 1;
}
.related-card a {
  font-size: 13px;
  font-weight: 600;
  color: var(--bc-navy);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-card a:hover {
  color: var(--bc-gold-deep);
  gap: 8px;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition:
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}
.faq-item[open] {
  border-color: var(--bc-navy-line);
  box-shadow: var(--bc-sh-soft);
}
.faq-item__summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--bc-font-display);
  font-weight: 600;
  color: var(--bc-navy-ink);
  font-size: 16px;
}
.faq-item__summary::-webkit-details-marker {
  display: none;
}
.faq-item__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bc-navy-pale);
  color: var(--bc-navy);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition:
    transform 0.3s ease,
    background 0.3s ease;
}
.faq-item[open] .faq-item__icon {
  background: var(--bc-navy);
  color: #fff;
  transform: rotate(45deg);
}
.faq-item__icon i {
  width: 16px;
  height: 16px;
}
.faq-item__body {
  padding: 0 24px 22px 24px;
  color: var(--bc-slate);
  font-size: 14px;
  line-height: 1.65;
}
.faq-item__body p {
  margin-bottom: 10px;
}
.faq-item__body p:last-child {
  margin-bottom: 0;
}

/* ============ CTA BAND ============ */
.cta-band {
  background:
    radial-gradient(
      ellipse at 20% 50%,
      rgba(201, 169, 106, 0.18) 0%,
      transparent 50%
    ),
    linear-gradient(135deg, var(--bc-navy) 0%, var(--bc-navy-ink) 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(201, 169, 106, 0.1) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.cta-band__inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}
.cta-band__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--bc-gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.cta-band h2 {
  font-family: var(--bc-font-display);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-band__cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--bc-navy-ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--bc-font-display);
  font-weight: 700;
  font-size: 22px;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .brand__mark {
  width: 32px;
  height: 32px;
  font-size: 13px;
}
.footer-grid p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}
.footer-grid h4 {
  font-family: var(--bc-font-display);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer-grid ul li {
  margin-bottom: 8px;
}
.footer-grid ul a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s ease;
}
.footer-grid ul a:hover {
  color: var(--bc-gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ============ STICKY CTA ============ */
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(120px);
  z-index: 90;
  background: var(--bc-paper);
  border: 1px solid var(--bc-line);
  border-radius: var(--bc-r-pill);
  padding: 8px 8px 8px 20px;
  box-shadow: var(--bc-sh-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}
.sticky-cta.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.sticky-cta__label {
  font-size: 13px;
  color: var(--bc-slate);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sticky-cta__label i {
  width: 14px;
  height: 14px;
  color: var(--bc-gold-deep);
}
.sticky-cta .btn--primary {
  padding: 10px 18px;
  font-size: 13px;
}
.sticky-cta .btn--ghost {
  background: var(--bc-cloud);
  color: var(--bc-navy);
  border-color: var(--bc-cloud);
  padding: 10px 18px;
  font-size: 13px;
}

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal--delay-1 {
  transition-delay: 0.1s;
}
.reveal--delay-2 {
  transition-delay: 0.2s;
}
.reveal--delay-3 {
  transition-delay: 0.3s;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__visual {
    height: 520px;
    margin-top: 20px;
  }
  .anatomy-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .opacity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .spectrum-row {
    grid-template-columns: 50px 1.5fr 1fr 90px;
  }
  .spectrum-row > div:nth-child(4) {
    display: none;
  }
  .mat-row {
    grid-template-columns: 1.2fr 1fr 1.8fr;
  }
  .mat-row > div:last-child {
    grid-column: 1/-1;
    text-align: left;
    margin-top: 8px;
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
  .prod-grid {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .split {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .sample-banner__inner {
    grid-template-columns: 1fr;
  }
  .trust-strip__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .hero {
    padding: 48px 0 60px;
  }
  .hero__visual {
    height: 480px;
  }
  .hero-callout--1 {
    right: 0;
    top: 1px;
  }
  .hero-callout--2 {
    left: 0;
    top: 218px;
  }
  .hero-callout--3 {
    right: 0;
    bottom: 251px;
  }
  .hero-stressor {
    bottom: 19px;
  }
  .layer-stack {
    width: 280px;
    height: 400px;
  }
  .opacity-lab {
    padding: 64px 0;
  }
  .lab-part__head {
    flex-wrap: wrap;
    gap: 8px;
  }
  .lab-part__desc {
    margin-left: 0;
    text-align: left;
    width: 100%;
  }
  .anatomy-grid {
    grid-template-columns: 1fr;
  }
  .opacity-grid {
    grid-template-columns: 1fr;
  }
  .spectrum-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px 18px;
  }
  .spectrum-row > div {
    width: 100%;
  }
  .spectrum-row__demo {
    height: 32px;
  }
  .mat-row {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .mat-row--head {
    display: none;
  }
  .mat-name {
    margin-bottom: 6px;
  }
  .mat-ink-req {
    text-align: left;
  }
  .cards-grid--2,
  .cards-grid--3,
  .cards-grid--4 {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .hero__visual {
    height: 440px;
  }
  .layer-stack {
    width: 240px;
    height: 360px;
  }
  .layer {
    height: 54px;
    padding: 0 16px;
    font-size: 11px;
  }
  .layer--film {
    height: 58px;
  }
  .hero-callout {
    font-size: 10px;
    padding: 8px 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .nav__cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  .brand {
    font-size: 18px;
  }
  .brand__mark {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}