/* ==========================================================================
   Mzaca Gas and Paraffin — Design System
   ========================================================================== */

:root {
  /* Brand palette taken from the gate signage: red + deep blue + steel gray */
  --color-navy: #1b2d6e;
  --color-navy-light: #27409b;
  --color-navy-dark: #111c49;
  --color-red: #d2232a;
  --color-red-dark: #a81b21;
  --color-red-bright: #f2555c; /* red accent legible on dark blue */
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1ea952;
  --color-bg: #eef0f3;
  --color-bg-alt: #e9ebee;
  --color-white: #ffffff;
  --color-text: #1b1e24;
  --color-text-muted: #575e69;
  --color-border: #d9dde3;
  --color-ink: #0d142e;          /* hero grade + dark grounds */
  --color-brass: #a97e2f;        /* hairlines/markers only, from the valve brass */
  --color-brass-bright: #c9964b; /* brass legible on ink */

  --font-heading: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Barlow Condensed", "Arial Narrow", "Segoe UI", system-ui, sans-serif;

  --container-width: 1160px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(17, 28, 73, 0.08);
  --shadow-md: 0 10px 30px rgba(17, 28, 73, 0.12);
  --transition: 0.2s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
  margin: 0 0 0.6em;
}
p { margin: 0 0 1em; color: var(--color-text-muted); }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}
.section--alt { background: var(--color-bg-alt); }
.section--navy {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
}
.section--navy h2, .section--navy h3 { color: var(--color-white); }
.section--navy p { color: rgba(255,255,255,0.78); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-red);
  margin-bottom: 12px;
}
.section--navy .eyebrow { color: var(--color-red-bright); }
h1 { font-size: clamp(2.1rem, 4.2vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(210, 35, 42, 0.35);
}
.btn-primary:hover { background: var(--color-red-dark); }
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--color-white);
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: var(--color-white); }
.btn-navy-outline {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}
.btn-navy-outline:hover { background: var(--color-navy); color: var(--color-white); }
.btn-whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { background: var(--color-whatsapp-dark); }
.btn-block { width: 100%; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 245, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-navy);
}
.brand .flame-mark { width: 34px; height: 34px; color: var(--color-red); }
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle svg { width: 28px; height: 28px; color: var(--color-navy); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.96rem;
  color: var(--color-text);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-red); }
.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-red);
  border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-call {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-navy);
}
.header-call svg { width: 18px; height: 18px; color: var(--color-red); }

/* ---------- Hero: full-bleed photo, graded ---------- */
.hero {
  position: relative;
  min-height: max(620px, calc(100svh - 84px));
  display: flex;
  align-items: center;
  overflow: clip;
  background: var(--color-ink);
  color: var(--color-white);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% 38%;
  transform-origin: 62% 42%;
}
/* base grade: heavy where type sits, light where the branded cylinders read */
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(82deg, rgba(13,20,46,0.94) 0%, rgba(13,20,46,0.87) 30%, rgba(13,20,46,0.55) 55%, rgba(13,20,46,0.2) 78%, rgba(13,20,46,0.32) 100%),
    linear-gradient(0deg, rgba(13,20,46,0.6) 0%, rgba(13,20,46,0) 42%);
}
/* scroll deepener — animated layer, transparent at rest */
.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--color-ink);
  opacity: 0;
}
.hero-media::after { z-index: 1; }
.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 72px;
  padding-bottom: 64px;
}
.hero-title { color: var(--color-white); margin: 0 0 20px; overflow-wrap: normal; word-break: normal; }
.hero-title-loud {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(4.25rem, 8.6vw, 6rem);
  line-height: 0.92;
  letter-spacing: 0.004em;
  max-width: 7em;
}
.hero-title-quiet {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.12;
  margin-top: 0.4em;
  color: rgba(255,255,255,0.92);
}
.hero p.lead {
  color: rgba(255,255,255,0.85);
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
  max-width: 46ch;
  margin-bottom: 26px;
}
.hero-price {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: 0.02em;
  color: var(--color-white);
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 22px;
}
.hero-price::before {
  content: "";
  align-self: center;
  width: 42px;
  height: 2px;
  background: var(--color-brass-bright);
  flex-shrink: 0;
}
.hero-price strong { color: var(--color-brass-bright); font-weight: 700; }
.hero-cta { align-items: center; }
.hero-prices-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1.05rem;
  color: var(--color-white);
  text-decoration: underline;
  text-decoration-color: var(--color-brass-bright);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}
.hero-prices-link:hover { text-decoration-color: var(--color-white); }
.hero-meta {
  margin: 26px 0 0;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.75);
}

/* signature: scroll-graded hero — grade deepens, crop tightens */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero-media img {
      animation: hero-zoom linear both;
      animation-timeline: scroll(root);
      animation-range: 0 90vh;
    }
    .hero-media::before {
      animation: hero-deepen linear both;
      animation-timeline: scroll(root);
      animation-range: 0 90vh;
    }
  }
}
@keyframes hero-zoom { from { transform: scale(1); } to { transform: scale(1.09); } }
@keyframes hero-deepen { from { opacity: 0; } to { opacity: 0.55; } }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}
.trust-strip .container {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px 28px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-navy);
}
.trust-item svg { width: 22px; height: 22px; color: var(--color-red); flex-shrink: 0; }

/* ---------- Grids & Cards ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { width: 28px; height: 28px; color: var(--color-red); }
.card h3 { margin-bottom: 10px; }
.card ul { margin-top: 14px; }
.card ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.card ul li svg { width: 16px; height: 16px; color: var(--color-red); flex-shrink: 0; margin-top: 3px; }

.card--product { position: relative; }
.card--product .price-tag {
  position: absolute;
  top: 28px;
  right: 28px;
  background: var(--color-bg-alt);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 999px;
}
.card .price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--color-red);
  margin: 2px 0 12px;
  line-height: 1;
}
.card .price span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: 4px;
}

/* ---------- Price list ---------- */
.price-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
  align-items: start;
}
.price-side { display: grid; gap: 28px; }
.price-panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
}
.price-panel h3 { margin-bottom: 4px; }
.price-panel .panel-note { font-size: 0.9rem; margin-bottom: 12px; }
.price-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
}
.price-list li:last-child { border-bottom: none; }
.price-list .size {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-list .amount {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.price-list li.featured {
  margin: 6px 0;
  padding: 12px 14px;
  background: rgba(210, 35, 42, 0.06);
  border: 1px solid rgba(210, 35, 42, 0.25);
  border-radius: var(--radius-sm);
}
.price-list li.featured .amount { color: var(--color-red); font-size: 1.2rem; }
.price-chip {
  background: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.price-fineprint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 26px 0 0;
}

.industry-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.industry-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); border-color: var(--color-red); }
.industry-card .card-icon { margin: 0 auto 16px; }
.industry-card h3 { font-size: 1rem; margin-bottom: 0; }

.value-card { text-align: center; }
.value-card .card-icon { margin: 0 auto 20px; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--color-red) 0%, var(--color-red-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--color-white); margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.9); margin-bottom: 0; }
.cta-banner .btn-primary {
  background: var(--color-navy);
  box-shadow: 0 8px 20px rgba(17, 28, 73, 0.35);
}
.cta-banner .btn-primary:hover { background: var(--color-navy-dark); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand .brand { color: var(--color-white); margin-bottom: 14px; }
.footer-brand p { color: rgba(255,255,255,0.65); max-width: 300px; }
.site-footer h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}
.site-footer ul li { margin-bottom: 10px; font-size: 0.92rem; }
.site-footer a:hover { color: var(--color-red-bright); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; min-width: 0; }
.footer-contact li span, .footer-contact li a { min-width: 0; overflow-wrap: break-word; }
.footer-contact svg { width: 17px; height: 17px; color: var(--color-red-bright); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

/* ---------- Floating WhatsApp button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 200;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 30px; height: 30px; color: var(--color-white); }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  color: var(--color-white);
  text-align: center;
}
.page-hero h1 { color: var(--color-white); margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 600px; margin: 0 auto; }
.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 14px;
}
.breadcrumb a:hover { color: var(--color-red-bright); }

.page-hero--photo {
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: var(--color-navy-dark);
}
.page-hero--photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27,45,110,0.93) 0%, rgba(17,28,73,0.95) 100%);
}
.page-hero--photo .container { position: relative; z-index: 1; }

/* ---------- Full-width photo band ---------- */
.image-band {
  position: relative;
  min-height: 360px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.image-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(17,28,73,0.94) 0%, rgba(17,28,73,0.55) 50%, rgba(17,28,73,0.1) 100%);
}
.image-band .container { position: relative; z-index: 1; padding-bottom: 48px; }
.image-band h2, .image-band p { color: var(--color-white); }
.image-band p { color: rgba(255,255,255,0.85); max-width: 560px; margin-bottom: 0; }
.image-band .eyebrow { color: var(--color-red-bright); }

/* ---------- About page specifics ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-art {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.split-art svg { width: 42%; height: 42%; color: var(--color-red); }
.split-art img { width: 100%; height: 100%; object-fit: cover; }

.timeline-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-alt);
  color: var(--color-navy);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

/* ---------- Contact page specifics ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}
.contact-line {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 20px;
  min-width: 0;
}
.contact-line > div { min-width: 0; }
.contact-line:last-child { margin-bottom: 0; }
.contact-line .card-icon { width: 44px; height: 44px; flex-shrink: 0; margin-bottom: 0; }
.contact-line .card-icon svg { width: 22px; height: 22px; }
.contact-line strong { display: block; color: var(--color-navy); font-family: var(--font-heading); }
.contact-line a:hover { color: var(--color-red); }

.hours-table { width: 100%; border-collapse: collapse; }
.hours-table td { padding: 10px 0; border-bottom: 1px solid var(--color-border); font-size: 0.92rem; }
.hours-table td:last-child { text-align: right; font-weight: 600; color: var(--color-navy); }
.hours-table tr:last-child td { border-bottom: none; }

.map-frame {
  width: 100%;
  aspect-ratio: 16 / 11;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 24px;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

.form-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-navy);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-red);
  box-shadow: 0 0 0 3px rgba(210,35,42,0.15);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .price-layout { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split-art { max-width: 380px; margin: 0 auto; order: -1; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.is-open { max-height: 420px; }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
  }
  .main-nav ul li { width: 100%; }
  .main-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--color-border); }
  .header-call span { display: none; }
  .trust-strip .container { justify-content: flex-start; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 40px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .image-band { min-height: 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .site-header .container { gap: 8px; }
  .brand span { font-size: 0.95rem; }
}

@media (max-width: 480px) {
  .header-actions .btn-primary { display: none; }
  .brand-sub { display: none; }
  .header-call svg { width: 20px; height: 20px; }
}

/* ==========================================================================
   Index redesign — display voice, caps, depot ledger, mark lists
   ========================================================================== */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.home h2 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 1.1;
}
.home .btn {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.045em;
  font-size: 1.08rem;
}
.home .trust-item svg { color: var(--color-navy); }

.cap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 14px;
}
.cap::before { content: ""; width: 34px; height: 2px; background: var(--color-brass); flex-shrink: 0; }
.cap--onphoto { color: rgba(255,255,255,0.88); }
.cap--onphoto::before { background: var(--color-brass-bright); }

.sec-head { max-width: 760px; margin-bottom: 40px; }
.sec-head h2 { margin-bottom: 10px; }
.sec-head p { max-width: 62ch; margin-bottom: 0; }

/* ---------- Depot ledger ---------- */
.ledger-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) 2.1fr;
  gap: 56px;
  align-items: start;
}
.ledger-rail { position: sticky; top: 108px; }
.ledger-rail h2 { margin-bottom: 14px; }
.ledger-rail p { max-width: 38ch; }
.ledger-rail .btn { margin-top: 8px; }

.feature-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: end;
  padding: 30px 0 34px;
  border-top: 3px solid var(--color-navy);
}
.feature-cyl { color: var(--color-navy); flex-shrink: 0; }
.feature-row--9kg .feature-cyl { width: 88px; height: auto; }
.feature-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0 0 6px;
}
.flag {
  background: var(--color-red);
  color: var(--color-white);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  padding: 4px 10px;
}
.feature-size {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  line-height: 0.95;
  color: var(--color-navy);
  margin: 0 0 8px;
}
.feature-note { margin: 0; max-width: 46ch; font-size: 0.95rem; }
.feature-buy {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  text-align: right;
}
.feature-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  line-height: 0.95;
  color: var(--color-navy);
  margin: 0;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  word-break: normal;
}

.feature-row--48kg {
  grid-template-columns: 1fr auto;
  background: linear-gradient(120deg, var(--color-navy) 0%, var(--color-navy-dark) 100%);
  padding: 34px 38px 38px;
  margin: 26px 0;
  border-top: none;
  align-items: end;
  color: var(--color-white);
}
.feature-row--48kg .feature-kicker { color: var(--color-brass-bright); }
.feature-row--48kg .feature-size { color: var(--color-white); }
.feature-row--48kg .feature-note { color: rgba(255,255,255,0.8); }
.feature-row--48kg .feature-price { color: var(--color-white); }
.feature-row--48kg .feature-buy {
  flex-direction: row;
  align-items: center;
  gap: 24px;
  margin-top: 20px;
  text-align: left;
}
.feature-cyl--48 { width: 84px; height: auto; color: rgba(255,255,255,0.85); margin-top: -80px; }

.ledger-cols {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  border-top: 3px solid var(--color-navy);
  padding-top: 28px;
}
.ledger-side { display: grid; gap: 36px; align-content: start; }
.ledger-block h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.ledger-block .panel-note { font-size: 0.9rem; margin-bottom: 12px; }
.ledger-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid rgba(169,126,47,0.38);
}
.ledger-list li:last-child { border-bottom: none; }
.ledger-list .size {
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ledger-list .amount {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ledger-list li.featured {
  background: rgba(210,35,42,0.06);
  border: 1px solid rgba(210,35,42,0.3);
  padding: 12px;
  margin: 6px 0;
}
.ledger-list li.featured .amount { color: var(--color-red); font-size: 1.35rem; }
.ledger-block--paraffin .mark { width: 34px; height: 34px; color: var(--color-navy); margin-bottom: 12px; }
.ledger-block--paraffin p { font-size: 0.95rem; }
.ledger-block--paraffin .btn { margin-top: 4px; }
.ledger .price-fineprint { text-align: left; margin-top: 30px; }
.ledger .price-fineprint a { display: inline-block; padding: 13px 2px; margin: -13px 0; }

/* ---------- Mark lists (de-carded industries & values) ---------- */
.mark-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 44px; }
.mark-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(27,45,110,0.22);
}
.mark-list .mark { width: 30px; height: 30px; flex-shrink: 0; color: var(--color-navy); }
.mark-list h3 {
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}
.mark-list--values { grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.mark-list--values li { align-items: flex-start; padding: 24px 0; border-top-color: rgba(255,255,255,0.18); }
.mark-list--values .mark { color: var(--color-white); opacity: 0.9; margin-top: 2px; }
.mark-list--values h3 {
  color: var(--color-white);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1.2rem;
  margin-bottom: 4px;
}
.mark-list--values p { margin: 0; font-size: 0.95rem; }

/* ---------- Keyboard focus ---------- */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-red);
  outline-offset: 3px;
}
.hero a:focus-visible,
.section--navy a:focus-visible,
.feature-row--48kg a:focus-visible,
.image-band a:focus-visible,
.cta-banner a:focus-visible,
.site-footer a:focus-visible { outline-color: var(--color-white); }

/* ---------- Redesign responsive ---------- */
@media (max-width: 1080px) {
  .ledger-grid { grid-template-columns: 1fr; gap: 36px; }
  .ledger-rail { position: static; max-width: 620px; }
}
@media (max-width: 980px) {
  .mark-list { grid-template-columns: repeat(2, 1fr); }
  .trust-strip .container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .hero { align-items: flex-end; }
  .hero-inner { padding-top: 84px; padding-bottom: 44px; }
  .hero-media img { object-position: 50% 28%; }
  .hero-media::after {
    background:
      linear-gradient(0deg, rgba(13,20,46,0.96) 0%, rgba(13,20,46,0.84) 34%, rgba(13,20,46,0.4) 62%, rgba(13,20,46,0.12) 100%);
  }
  .hero-title { margin-bottom: 12px; }
  .hero p.lead { margin-bottom: 16px; font-size: 0.95rem; line-height: 1.5; max-width: 42ch; }
  .hero-price { margin-bottom: 16px; }
  .cap--onphoto { letter-spacing: 0.14em; margin-bottom: 10px; }
  .cap--onphoto::before { width: 24px; }
  .trust-strip .container { grid-template-columns: 1fr; gap: 14px; }
  .hero-cta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; width: 100%; }
  .hero-cta .btn { padding: 14px 8px; font-size: 1rem; }
  .hero-prices-link { grid-column: 1 / -1; justify-content: center; }
  .hero-meta { margin-top: 18px; font-size: 0.78rem; }

  .feature-row { grid-template-columns: 84px 1fr; gap: 16px 20px; }
  .feature-row--9kg .feature-cyl { grid-row: 1 / 3; width: 74px; align-self: start; }
  .feature-row--9kg .feature-buy {
    grid-column: 2;
    flex-direction: row;
    align-items: center;
    gap: 18px;
    text-align: left;
  }
  .feature-row--48kg { grid-template-columns: 1fr 60px; padding: 26px 22px 30px; }
  .feature-cyl--48 { width: 60px; margin-top: -56px; }
  .feature-row--48kg .feature-buy { flex-wrap: wrap; gap: 14px; }
  .ledger-cols { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .mark-list, .mark-list--values { grid-template-columns: 1fr; }
  .mark-list li { padding: 16px 0; }
}
@media (max-width: 460px) {
  .hero-cta .btn svg { display: none; }
  .hero-cta .btn { font-size: 1rem; padding: 14px 6px; }
}