/* ===========================================================
   Sub-Zero Atlas · Freezer-Safe Labels Redesign
   Prefix: --fz- | Theme: Atelier · Cold-Chain Engineering
   Palette: Navy #0033a0 · Champagne Gold #c9a96a
   Fonts: Sora (display) + Inter (body) + JetBrains Mono (data)
   =========================================================== */

*, *::before, *::after { box-sizing: border-box; }

:root {
  /* Brand */
  --fz-navy: #0033a0;
  --fz-navy-deep: #001f63;
  --fz-navy-soft: #1d4ed8;
  --fz-gold: #c9a96a;
  --fz-gold-bright: #e2c987;
  --fz-gold-deep: #9a7e44;

  /* Cold visualization accents (used only in thermal atlas) */
  --fz-ice: #4a90e2;
  --fz-frost: #c5e0f4;
  --fz-vapor: #6ec5ff;
  --fz-warm: #f4d8b0;

  /* Neutrals */
  --fz-white: #ffffff;
  --fz-paper: #fafbfc;
  --fz-paper-warm: #f7f5ef;
  --fz-cream: #f4f0e6;
  --fz-ink: #0a1733;
  --fz-ink-soft: #1f2a44;
  --fz-ink-mute: #4a5879;
  --fz-mute: #7a8499;
  --fz-line: #e3e7ef;
  --fz-line-strong: #c9d0dd;
  --fz-shadow: rgba(0, 20, 60, 0.08);
  --fz-shadow-deep: rgba(0, 20, 60, 0.16);

  /* Type */
  --fz-font-display: 'Sora', 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --fz-font-body: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --fz-font-mono: 'JetBrains Mono', ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Radius */
  --fz-r-xs: 6px;
  --fz-r-sm: 10px;
  --fz-r-md: 16px;
  --fz-r-lg: 24px;
  --fz-r-xl: 36px;
  --fz-r-pill: 999px;

  --fz-container: 1280px;
  --fz-container-narrow: 880px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--fz-font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fz-ink);
  background: var(--fz-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--fz-navy); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--fz-gold-deep); }
button { font-family: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--fz-font-display);
  color: var(--fz-ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: clamp(1.1rem, 1.4vw, 1.25rem); }
p { margin: 0 0 1em; }

/* Container & Layout */
.container { width: 100%; max-width: var(--fz-container); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--fz-container-narrow); }
.section { padding: 80px 0; }
.section--tight { padding: 48px 0; }
.section--alt { background: var(--fz-paper); }
.section--navy { background: linear-gradient(180deg, var(--fz-navy-deep) 0%, var(--fz-navy) 100%); color: var(--fz-white); }
.section--navy h2, .section--navy h3 { color: var(--fz-white); }
.section--cream { background: var(--fz-cream); }

.section-head { text-align: center; max-width: 1080px; margin: 0 auto 48px; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { color: var(--fz-ink-mute); font-size: 1.05rem; margin: 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--fz-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fz-gold-deep);
  margin-bottom: 14px;
  padding: 4px 12px;
  background: rgba(201, 169, 106, 0.12);
  border-radius: var(--fz-r-pill);
}
.section--navy .eyebrow { color: var(--fz-gold-bright); background: rgba(201, 169, 106, 0.16); }
.accent { color: var(--fz-gold); font-style: italic; font-weight: 700; }
.section--navy .accent { color: var(--fz-gold-bright); }

/* Header / Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--fz-line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--fz-container);
  margin: 0 auto;
  gap: 24px;
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fz-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fz-ink);
  letter-spacing: -0.02em;
}
.nav__brand:hover { color: var(--fz-ink); }
.nav__brand .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--fz-navy) 0%, var(--fz-navy-deep) 100%);
  color: var(--fz-white);
  border-radius: 8px;
  font-family: var(--fz-font-display);
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0;
  box-shadow: 0 2px 8px rgba(0, 51, 160, 0.25);
}
.nav__menu { display: flex; align-items: center; gap: 28px; }
.nav__menu a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--fz-ink-soft);
  padding: 6px 0;
  position: relative;
}
.nav__menu a.is-active { color: var(--fz-navy); font-weight: 600; }
.nav__menu a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--fz-gold);
  border-radius: 2px;
}
.nav__menu a:hover { color: var(--fz-navy); }
.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--fz-line-strong);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--fz-ink);
}
.nav__toggle svg { width: 20px; height: 20px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--fz-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--fz-r-pill);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  text-decoration: none;
  line-height: 1.2;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary {
  background: linear-gradient(135deg, var(--fz-navy) 0%, var(--fz-navy-deep) 100%);
  color: var(--fz-white);
  box-shadow: 0 4px 14px rgba(0, 51, 160, 0.28);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--fz-navy-deep) 0%, #001446 100%);
  color: var(--fz-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 51, 160, 0.36);
}
.btn--gold {
  background: linear-gradient(135deg, var(--fz-gold) 0%, var(--fz-gold-deep) 100%);
  color: var(--fz-navy-deep);
  box-shadow: 0 4px 14px rgba(201, 169, 106, 0.32);
}
.btn--gold:hover { color: var(--fz-navy-deep); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--fz-ink);
  border-color: var(--fz-line-strong);
}
.btn--ghost:hover { background: var(--fz-paper); border-color: var(--fz-navy); color: var(--fz-navy); }
.section--navy .btn--ghost,
.cta-band .btn--ghost { color: var(--fz-white); border-color: rgba(255,255,255,0.4); }
.section--navy .btn--ghost:hover,
.cta-band .btn--ghost:hover { background: rgba(255,255,255,0.1); border-color: var(--fz-gold); color: var(--fz-white); }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; }
.btn--outline {
  background: transparent;
  color: var(--fz-navy);
  border-color: var(--fz-navy);
}
.btn--outline:hover { background: var(--fz-navy); color: var(--fz-white); }
.btn__group { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* Breadcrumbs */
.breadcrumbs { padding: 18px 0; background: var(--fz-paper); border-bottom: 1px solid var(--fz-line); }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.86rem; color: var(--fz-mute); }
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li::after { content: "/"; color: var(--fz-line-strong); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs li[aria-current="page"] { color: var(--fz-ink-soft); font-weight: 500; }
.breadcrumbs a { color: var(--fz-mute); }
.breadcrumbs a:hover { color: var(--fz-navy); }

/* Hero · Sub-Zero Atlas */
.hero {
  background: linear-gradient(180deg, var(--fz-navy-deep) 0%, var(--fz-navy) 60%, var(--fz-navy-soft) 100%);
  color: var(--fz-white);
  padding: 70px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(201,169,106,0.16), transparent 35%),
    radial-gradient(circle at 85% 70%, rgba(74,144,226,0.18), transparent 40%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero h1 { color: var(--fz-white); margin-bottom: 20px; }
.hero h1 .accent { color: var(--fz-gold-bright); }
.hero__lead {
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.86);
  margin-bottom: 28px;
  max-width: 540px;
}
.hero__lead strong { color: var(--fz-gold-bright); font-weight: 600; }
.hero .eyebrow { color: var(--fz-gold-bright); background: rgba(201,169,106,0.16); }
.hero__meta {
  display: flex;
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.18);
  flex-wrap: wrap;
}
.hero__meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero__meta-num {
  font-family: var(--fz-font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--fz-gold-bright);
  line-height: 1;
}
.hero__meta-label {
  font-family: var(--fz-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}

/* Thermal Spectrum Atlas (hero visual) */
.atlas {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(201,169,106,0.32);
  border-radius: var(--fz-r-lg);
  padding: 32px 28px 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.atlas__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(255,255,255,0.18);
  gap: 12px;
}
.atlas__title {
  font-family: var(--fz-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fz-white);
  letter-spacing: -0.01em;
}
.atlas__subtitle {
  font-family: var(--fz-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  margin-top: 4px;
}
.atlas__no {
  font-family: var(--fz-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--fz-gold-bright);
  background: rgba(201,169,106,0.16);
  padding: 4px 10px;
  border-radius: var(--fz-r-pill);
  border: 1px solid rgba(201,169,106,0.3);
  white-space: nowrap;
}

.spectrum { position: relative; padding: 50px 0 28px; }
.spectrum__bar {
  position: relative;
  height: 56px;
  border-radius: var(--fz-r-pill);
  background: linear-gradient(90deg,
    #f4d8b0 0%,
    #f0e4d4 8%,
    #d6e9f5 18%,
    #a8d0ef 30%,
    #6ec5ff 45%,
    #4a90e2 60%,
    #1d4ed8 75%,
    #0033a0 88%,
    #001f63 100%
  );
  box-shadow:
    inset 0 2px 8px rgba(255,255,255,0.18),
    inset 0 -3px 10px rgba(0,0,0,0.18),
    0 6px 24px rgba(0, 20, 60, 0.4);
}
.spectrum__bar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--fz-r-pill);
  background: linear-gradient(180deg, rgba(255,255,255,0.25) 0%, transparent 35%, transparent 65%, rgba(0,0,0,0.12) 100%);
  pointer-events: none;
}
.spectrum__zone {
  position: absolute;
  top: 0;
  bottom: 0;
}
.spectrum__zone--optimal {
  left: 50%;
  right: 14%;
  border: 2px solid rgba(255,255,255,0.55);
  border-radius: var(--fz-r-pill);
  box-shadow: 0 0 18px rgba(255,255,255,0.25);
  pointer-events: none;
}
.spectrum__zone--danger {
  left: 86%;
  right: 0;
  background: repeating-linear-gradient(45deg,
    rgba(255,255,255,0.16) 0,
    rgba(255,255,255,0.16) 6px,
    transparent 6px,
    transparent 12px);
  border-radius: 0 var(--fz-r-pill) var(--fz-r-pill) 0;
  pointer-events: none;
}

.spectrum__pin {
  position: absolute;
  bottom: 100%;
  transform: translateX(-50%);
  margin-bottom: 10px;
  text-align: center;
  width: 92px;
}
.spectrum__pin::after {
  content: "";
  display: block;
  width: 2px;
  height: 14px;
  background: rgba(255,255,255,0.4);
  margin: 6px auto 0;
}
.spectrum__pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--fz-gold);
  border: 2px solid var(--fz-white);
  box-shadow: 0 0 0 4px rgba(201,169,106,0.22), 0 2px 8px rgba(0,0,0,0.4);
  margin: 6px auto 0;
  position: relative;
  z-index: 2;
}
.spectrum__pin--danger .spectrum__pin-dot {
  background: var(--fz-white);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.22), 0 2px 8px rgba(0,0,0,0.5);
}
.spectrum__pin-label {
  display: inline-block;
  font-family: var(--fz-font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--fz-white);
  background: rgba(0, 20, 60, 0.7);
  padding: 3px 8px;
  border-radius: var(--fz-r-xs);
  border: 1px solid rgba(255,255,255,0.2);
  white-space: nowrap;
}
.spectrum__pin-temp {
  display: block;
  font-family: var(--fz-font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--fz-gold-bright);
  margin-top: 4px;
}

.spectrum__scale {
  position: relative;
  margin-top: 22px;
  height: 36px;
}
.spectrum__tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(255,255,255,0.7);
}
.spectrum__tick::before {
  content: "";
  display: block;
  width: 1px;
  height: 8px;
  background: rgba(255,255,255,0.4);
  margin: 0 auto 6px;
}
.spectrum__tick-temp {
  font-family: var(--fz-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fz-gold-bright);
}
.spectrum__tick-label {
  font-family: var(--fz-font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  margin-top: 2px;
}

.atlas__legend {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.atlas__legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.82);
}
.atlas__legend-swatch {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  flex-shrink: 0;
}
.atlas__legend-swatch--optimal {
  background: var(--fz-gold);
  box-shadow: inset 0 -2px 4px rgba(0,0,0,0.18);
}
.atlas__legend-swatch--danger {
  background: repeating-linear-gradient(45deg,
    rgba(255,255,255,0.4) 0,
    rgba(255,255,255,0.4) 4px,
    rgba(255,255,255,0.1) 4px,
    rgba(255,255,255,0.1) 8px),
    var(--fz-navy-deep);
}

.atlas__foot {
  display: flex;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255,255,255,0.14);
  font-family: var(--fz-font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 8px;
}

/* Trust Strip */
.trust { background: var(--fz-ink); color: var(--fz-white); padding: 22px 0; }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust__cell { display: flex; align-items: center; gap: 12px; padding: 0 8px; }
.trust__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(201,169,106,0.18);
  color: var(--fz-gold-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.trust__icon svg { width: 18px; height: 18px; }
.trust__cell-text { font-size: 0.86rem; font-weight: 600; line-height: 1.3; }
.trust__cell-text small {
  display: block;
  font-family: var(--fz-font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

/* Geo Quote */
.geo-quote {
  font-family: var(--fz-font-display);
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  line-height: 1.75;
  color: var(--fz-ink);
  font-weight: 400;
  text-align: left;
  padding: 0;
  border-left: 3px solid var(--fz-gold);
  padding-left: 28px;
  margin: 0;
}
.geo-quote strong { color: var(--fz-navy); font-weight: 600; }

/* Grid */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Scenario Cards */
.scenario-card {
  position: relative;
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-radius: var(--fz-r-md);
  padding: 26px 24px 24px;
  transition: all .25s ease;
  overflow: hidden;
}
.scenario-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--fz-ice), var(--fz-navy));
}
.scenario-card:hover {
  border-color: var(--fz-navy-soft);
  box-shadow: 0 10px 28px var(--fz-shadow);
  transform: translateY(-2px);
}
.scenario-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.scenario-card__head h3 { margin: 0; font-size: 1.1rem; }
.scenario-card__temp {
  flex-shrink: 0;
  font-family: var(--fz-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--fz-navy-deep);
  background: rgba(0, 51, 160, 0.08);
  padding: 4px 10px;
  border-radius: var(--fz-r-pill);
  border: 1px solid rgba(0, 51, 160, 0.15);
  white-space: nowrap;
}
.scenario-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(74,144,226,0.14) 0%, rgba(0,51,160,0.08) 100%);
  color: var(--fz-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.scenario-card__icon svg { width: 20px; height: 20px; }
.scenario-card p { color: var(--fz-ink-mute); margin: 0; font-size: 0.92rem; line-height: 1.6; }

/* Materials Table */
.compare { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--fz-r-md); border: 1px solid var(--fz-line); background: var(--fz-white); }
.compare__table { width: 100%; border-collapse: collapse; min-width: 720px; }
.compare__table thead { background: linear-gradient(180deg, var(--fz-navy-deep) 0%, var(--fz-navy) 100%); }
.compare__table th {
  text-align: left;
  padding: 18px 20px;
  color: var(--fz-white);
  font-family: var(--fz-font-display);
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}
.compare__table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--fz-line);
  vertical-align: middle;
  font-size: 0.92rem;
}
.compare__table tbody tr:last-child td { border-bottom: 0; }
.compare__table tbody tr:nth-child(even) { background: var(--fz-paper); }
.compare__table td:first-child { font-weight: 600; color: var(--fz-ink); }
.compare__material-cell { display: flex; align-items: center; gap: 14px; }
.compare__chip {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-shrink: 0;
  border: 1px solid var(--fz-line-strong);
  position: relative;
  overflow: hidden;
}
.compare__chip--white-bopp {
  background:
    linear-gradient(135deg, rgba(74,144,226,0.08) 0%, rgba(255,255,255,0.6) 100%),
    linear-gradient(180deg, #ffffff 0%, #eef2f8 100%);
}
.compare__chip--white-vinyl {
  background:
    repeating-linear-gradient(45deg, transparent 0, transparent 3px, rgba(0,51,160,0.04) 3px, rgba(0,51,160,0.04) 4px),
    linear-gradient(180deg, #ffffff 0%, #e2e7f0 100%);
}
.compare__chip--clear-bopp {
  background:
    linear-gradient(135deg, rgba(200,220,255,0.55), rgba(255,255,255,0.4)),
    repeating-linear-gradient(45deg, rgba(150,180,220,0.22) 0, rgba(150,180,220,0.22) 1px, transparent 1px, transparent 5px);
}
.compare__chip--thermal-paper {
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 4px, rgba(160,133,66,0.10) 4px, rgba(160,133,66,0.10) 5px),
    linear-gradient(180deg, #fbf7ed 0%, #ede4cf 100%);
}
.compare__chip--white-pet {
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,0.7), transparent 50%),
    linear-gradient(135deg, #d8e2ee 0%, #ffffff 60%, #c8d4e2 100%);
}
.compare__chip--coated-paper {
  background:
    linear-gradient(135deg, rgba(201,169,106,0.18), rgba(201,169,106,0.06)),
    linear-gradient(180deg, #f5efe2 0%, #e8dcc0 100%);
}
.compare__adhesive {
  font-family: var(--fz-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fz-navy);
  background: rgba(0,51,160,0.06);
  padding: 4px 10px;
  border-radius: var(--fz-r-pill);
  display: inline-block;
  white-space: nowrap;
}
.compare__adhesive--alt { color: var(--fz-gold-deep); background: rgba(201,169,106,0.14); }

/* Application Cards */
.app-card {
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-radius: var(--fz-r-md);
  padding: 24px;
  transition: all .25s ease;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.app-card--primary { border-top: 3px solid var(--fz-gold); }
.app-card:hover {
  border-color: var(--fz-navy-soft);
  box-shadow: 0 8px 24px var(--fz-shadow);
  transform: translateY(-2px);
}
.app-card__icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,51,160,0.1) 0%, rgba(0,51,160,0.04) 100%);
  color: var(--fz-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.app-card--primary .app-card__icon {
  background: linear-gradient(135deg, rgba(201,169,106,0.18) 0%, rgba(201,169,106,0.08) 100%);
  color: var(--fz-gold-deep);
}
.app-card__icon svg { width: 20px; height: 20px; }
.app-card h3 { margin: 0; font-size: 1.02rem; }
.app-card p { margin: 0; font-size: 0.88rem; color: var(--fz-ink-mute); line-height: 1.55; }

/* Performance Cards */
.perf-card {
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-radius: var(--fz-r-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: all .25s ease;
}
.perf-card:hover {
  border-color: var(--fz-navy-soft);
  box-shadow: 0 8px 24px var(--fz-shadow);
  transform: translateY(-2px);
}
.perf-card__head { display: flex; align-items: center; gap: 14px; }
.perf-card__num {
  font-family: var(--fz-font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--fz-gold-deep);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(201,169,106,0.12);
  border: 1px solid rgba(201,169,106,0.32);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.perf-card h3 { margin: 0; font-size: 1.04rem; }
.perf-card p { margin: 0; color: var(--fz-ink-mute); font-size: 0.92rem; line-height: 1.6; }
.perf-card--warn { border-left: 3px solid var(--fz-gold); }

/* Format Cards with mini visuals */
.format-card {
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-top: 3px solid var(--fz-gold);
  border-radius: var(--fz-r-md);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all .25s ease;
}
.format-card:hover {
  border-color: var(--fz-line-strong);
  border-top-color: var(--fz-gold);
  box-shadow: 0 10px 28px var(--fz-shadow);
  transform: translateY(-3px);
}
.format-card__visual {
  height: 110px;
  border-radius: var(--fz-r-sm);
  background: linear-gradient(180deg, var(--fz-paper) 0%, var(--fz-cream) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--fz-line);
}
.format-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(74,144,226,0.12), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(201,169,106,0.1), transparent 50%);
}
.format-card__visual--roll::after {
  content: "";
  position: relative;
  width: 110px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--fz-navy-deep) 0%, var(--fz-navy) 50%, var(--fz-navy-deep) 100%);
  box-shadow: 0 6px 16px rgba(0,51,160,0.3), inset 0 2px 4px rgba(255,255,255,0.15);
  z-index: 1;
}
.format-card__visual--sheet::after {
  content: "";
  position: relative;
  width: 90px;
  height: 70px;
  background: linear-gradient(180deg, var(--fz-white) 0%, var(--fz-paper) 100%);
  border: 1.5px solid var(--fz-navy);
  border-radius: 4px;
  box-shadow:
    4px 4px 0 -1px var(--fz-gold),
    8px 8px 0 -2px var(--fz-navy-soft);
  z-index: 1;
}
.format-card__visual--sticker::after {
  content: "";
  position: relative;
  width: 100px;
  height: 70px;
  background:
    radial-gradient(circle at 28% 40%, var(--fz-gold) 0 18px, transparent 18px),
    radial-gradient(circle at 72% 60%, var(--fz-navy) 0 16px, transparent 16px),
    linear-gradient(135deg, transparent 48%, var(--fz-gold-deep) 48% 52%, transparent 52%);
  z-index: 1;
}
.format-card h3 { margin: 0; font-size: 1.1rem; }
.format-card p { margin: 0; color: var(--fz-ink-mute); font-size: 0.92rem; line-height: 1.6; }
.format-card .btn { align-self: flex-start; margin-top: auto; }

/* Mistake Cards */
.mistake-card {
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-left: 3px solid var(--fz-gold-deep);
  border-radius: var(--fz-r-md);
  padding: 26px 26px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all .25s ease;
}
.mistake-card:hover {
  border-color: var(--fz-line-strong);
  border-left-color: var(--fz-navy);
  box-shadow: 0 8px 24px var(--fz-shadow);
  transform: translateY(-2px);
}
.mistake-card__x {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(154, 126, 68, 0.12);
  color: var(--fz-gold-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.mistake-card__x svg { width: 20px; height: 20px; }
.mistake-card__body h3 { margin: 0 0 8px; font-size: 1.04rem; }
.mistake-card__body p { margin: 0; color: var(--fz-ink-mute); font-size: 0.9rem; line-height: 1.6; }

/* FAQ Accordion */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq__item {
  background: var(--fz-white);
  border: 1px solid var(--fz-line);
  border-radius: var(--fz-r-md);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.faq__item.is-open {
  border-color: var(--fz-navy-soft);
  box-shadow: 0 4px 14px var(--fz-shadow);
}
.faq__q {
  width: 100%;
  background: none;
  border: 0;
  text-align: left;
  padding: 22px 60px 22px 26px;
  font-family: var(--fz-font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fz-ink);
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  line-height: 1.4;
}
.faq__q-num {
  font-family: var(--fz-font-mono);
  font-size: 0.72rem;
  color: var(--fz-gold-deep);
  font-weight: 700;
  letter-spacing: 0.06em;
  flex-shrink: 0;
  background: rgba(201,169,106,0.12);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.faq__q-icon {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  color: var(--fz-navy);
  transition: transform .25s ease;
}
.faq__item.is-open .faq__q-icon { transform: translateY(-50%) rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__a-inner { padding: 0 26px 24px 68px; color: var(--fz-ink-mute); font-size: 0.95rem; line-height: 1.7; }
.faq__a-inner p { margin: 0; }

/* CTA Band */
.cta-band {
  background: linear-gradient(135deg, var(--fz-navy-deep) 0%, var(--fz-navy) 50%, #001a52 100%);
  color: var(--fz-white);
  padding: 70px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(201,169,106,0.18), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(74,144,226,0.16), transparent 40%);
  pointer-events: none;
}
.cta-band > .container { position: relative; z-index: 1; }
.cta-band h2 { color: var(--fz-white); margin-bottom: 16px; }
.cta-band p {
  color: rgba(255,255,255,0.85);
  font-size: 1.06rem;
  max-width: 620px;
  margin: 0 auto 28px;
}

/* Footer */
.site-footer { background: var(--fz-ink); color: rgba(255,255,255,0.78); padding: 60px 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fz-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fz-white);
  margin-bottom: 14px;
}
.footer-brand .mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--fz-navy-soft) 0%, var(--fz-navy) 100%);
  color: var(--fz-white);
  border-radius: 8px;
  font-family: var(--fz-font-display);
  font-weight: 800;
  font-size: 0.86rem;
}
.site-footer h4 {
  color: var(--fz-white);
  font-family: var(--fz-font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: rgba(255,255,255,0.7); font-size: 0.88rem; }
.site-footer a:hover { color: var(--fz-gold-bright); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 12px;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--fz-line);
  transform: translateY(110%);
  transition: transform .35s cubic-bezier(.2,.7,.3,1);
  box-shadow: 0 -8px 24px rgba(0, 20, 60, 0.1);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--fz-container);
  margin: 0 auto;
  gap: 20px;
}
.sticky-cta__text {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--fz-font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fz-ink);
}
.sticky-cta__text small {
  display: block;
  font-family: var(--fz-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--fz-mute);
  font-weight: 500;
}
.sticky-cta__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(74,144,226,0.16) 0%, rgba(0,51,160,0.08) 100%);
  color: var(--fz-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.sticky-cta__icon svg { width: 20px; height: 20px; }
.sticky-cta__actions { display: flex; gap: 10px; flex-shrink: 0; }

/* Reveal */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: span 3; }
}
@media (max-width: 960px) {
  .nav__menu { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--fz-white); border-bottom: 1px solid var(--fz-line); padding: 14px 24px; gap: 6px; box-shadow: 0 8px 24px var(--fz-shadow); }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { padding: 10px 0; width: 100%; }
  .nav__toggle { display: inline-flex; }
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 50px 0 60px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: span 2; }
  .sticky-cta__text small { display: none; }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .trust__grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: span 1; }
  .hero h1 { font-size: 1.85rem; }
  .atlas { padding: 22px 18px 20px; }
  .spectrum__pin { width: 70px; }
  .spectrum__pin-label { font-size: 0.58rem; padding: 2px 6px; }
  .spectrum__pin-temp { font-size: 0.68rem; }
  .spectrum__tick-temp { font-size: 0.62rem; }
  .spectrum__tick-label { font-size: 0.54rem; }
  .atlas__legend { gap: 14px; }
  .atlas__head { flex-direction: column; gap: 10px; }
  .faq__a-inner { padding-left: 26px; padding-right: 22px; }
  .btn__group .btn { flex: 1 1 auto; }
  .compare__table { min-width: 600px; }
  .sticky-cta__actions .btn { padding: 10px 14px; font-size: 0.82rem; }
  .sticky-cta__text { font-size: 0.86rem; }
}