:root {
  --red: #df101a;
  --red-dark: #a80810;
  --red-glow: rgba(223, 16, 26, 0.35);
  --black: #101113;
  --ink: #1d2025;
  --muted: #6e737b;
  --line: #e5e7eb;
  --paper: #f7f8fa;
  --white: #ffffff;
  --steel: #d7dce2;
  --max: 1180px;
  --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font-main); line-height: 1.6; overflow-x: hidden; }

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-36px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(36px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulseGlow { 0%,100%{box-shadow:0 0 0 0 rgba(223,16,26,0.35)} 50%{box-shadow:0 0 20px 4px rgba(223,16,26,0.15)} }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }
.reveal-delay-4 { transition-delay: .32s; }
.reveal-delay-5 { transition-delay: .40s; }
.reveal-delay-6 { transition-delay: .48s; }

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }

/* ===== SITE HEADER ===== */
.site-header {
  position: fixed; z-index: 20; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  background: rgba(16,17,19,.88);
  border-bottom: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  transition: background .3s ease, box-shadow .3s ease;
}
.brand {
  display: inline-flex; align-items: center; gap: 2px;
  font-size: 28px; font-weight: 950; font-style: italic;
  letter-spacing: 0; line-height: 1;
  position: relative; transition: transform .3s var(--ease-spring);
}
.brand:hover { transform: scale(1.03); }
.brand-logo { display: block; width: clamp(118px, 11vw, 158px); height: auto; object-fit: contain; }
.brand-mark { color: var(--red); text-shadow: 0 0 20px var(--red-glow); }

.main-nav {
  display: flex; align-items: center;
  gap: clamp(14px, 2.8vw, 34px);
  font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em;
}
.main-nav a { opacity: .86; position: relative; padding-bottom: 2px; transition: opacity .25s ease, color .25s ease; }
.main-nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--red);
  transition: width .3s var(--ease-out);
}
.main-nav a:hover, .main-nav a:focus-visible { opacity: 1; color: var(--white); }
.main-nav a:hover::after, .main-nav a:focus-visible::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.language-select {
  height: 40px; min-width: 122px; color: var(--white);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.28);
  border-radius: 6px; padding: 0 10px; font-weight: 700; cursor: pointer;
  transition: background .25s ease, border-color .25s ease;
}
.language-select:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.4); }
.language-select option { color: var(--ink); }

/* ===== BUTTONS ===== */
.quote-button, .primary-button, .secondary-button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px; border-radius: 6px;
  font-weight: 900; text-transform: uppercase; font-size: 13px; letter-spacing: .04em;
  transition: all .3s var(--ease-out); position: relative; overflow: hidden;
}
.primary-button::before, .quote-button::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15), transparent 60%);
  opacity: 0; transition: opacity .3s ease;
}
.primary-button:hover::before, .quote-button:hover::before { opacity: 1; }
.quote-button, .primary-button {
  color: var(--white); background: var(--red);
  box-shadow: 0 2px 12px rgba(223,16,26,.3);
}
.quote-button:hover, .primary-button:hover {
  background: var(--red-dark); box-shadow: 0 4px 20px rgba(223,16,26,.45);
  transform: translateY(-1px);
}
.primary-button:active, .quote-button:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(223,16,26,.3); }
.secondary-button {
  color: var(--white); border: 1px solid rgba(255,255,255,.58);
  background: rgba(255,255,255,.08);
}
.secondary-button:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.75); transform: translateY(-1px); }

/* ===== HERO SECTION ===== */
.hero {
  position: relative; min-height: 92vh; display: grid; align-items: end;
  overflow: hidden; color: var(--white); background: var(--black);
  animation: fadeIn .8s ease forwards;
}
.hero-media, .hero-overlay { position: absolute; inset: 0; }
.hero-media { background: var(--black); transform-origin: center; will-change: transform; }
.hero-media img, .hero-media video {
  height: 100%; object-fit: cover; object-position: center;
  filter: saturate(.95) contrast(1.05);
  transition: transform 6s ease-out, filter 4s ease; will-change: transform;
}
.hero-media video {
  position: absolute; inset: 0;
  width: 100%; opacity: 0;
  transition: opacity .55s ease, transform 6s ease-out, filter 4s ease;
}
.hero-media video.is-active { opacity: 1; }
.hero:hover .hero-media img, .hero:hover .hero-media video.is-active { transform: scale(1.03); filter: saturate(1) contrast(1.08); }
.hero-overlay {
  background:
    linear-gradient(90deg, rgba(16,17,19,.96), rgba(16,17,19,.74) 34%, rgba(16,17,19,.18) 72%),
    linear-gradient(0deg, rgba(16,17,19,.9), rgba(16,17,19,.05) 46%);
  animation: fadeIn 1.2s ease forwards;
}
.hero-video-rail {
  position: relative; z-index: 4;
  display: flex; flex-wrap: wrap; gap: 10px;
  width: min(100%, 390px);
  margin-top: 26px;
}
.hero-video-rail button {
  display: grid; gap: 4px; flex: 1 1 170px; min-height: 66px;
  padding: 13px 14px; color: rgba(255,255,255,.72);
  text-align: left; cursor: pointer;
  background: rgba(16,17,19,.58);
  border: 1px solid rgba(255,255,255,.18);
  border-left: 3px solid rgba(255,255,255,.22);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s var(--ease-out);
}
.hero-video-rail button:hover, .hero-video-rail button:focus-visible {
  color: var(--white); background: rgba(16,17,19,.76); transform: translateY(-2px);
}
.hero-video-rail button.is-active {
  color: var(--white); border-left-color: var(--red); background: rgba(223,16,26,.22);
}
.hero-video-rail span {
  font-size: 11px; font-weight: 950; color: var(--red); letter-spacing: .12em;
}
.hero-video-rail strong {
  font-size: 12px; line-height: 1.15; text-transform: uppercase; letter-spacing: .04em;
}
.hero-content {
  position: relative; z-index: 2;
  width: min(var(--max), calc(100% - 36px)); margin: 0 auto;
  padding: 148px 0 160px;
  animation: slideInLeft .8s var(--ease-out) .2s both;
}

.eyebrow {
  margin: 0 0 14px; color: var(--red); font-size: 12px;
  font-weight: 950; letter-spacing: .06em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before {
  content: ''; display: inline-block; width: 28px; height: 2px;
  background: var(--red); vertical-align: middle; border-radius: 1px;
}

.hero h1, .section-heading h2, .energy-panel h2, .brand-statement h2, .contact-band h2 {
  margin: 0; font-weight: 950; line-height: .96; letter-spacing: -.01em;
}
.hero h1 { max-width: 760px; font-size: clamp(46px, 8vw, 96px); text-transform: uppercase; }
.hero-copy { max-width: 620px; margin: 24px 0 0; color: rgba(255,255,255,.82); font-size: clamp(17px, 2vw, 22px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }

/* ===== HERO STATS BAR ===== */
.hero-stats {
  position: absolute; z-index: 3; left: 18px; right: 18px; bottom: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  width: auto; max-width: var(--max); margin: 0 auto;
  background: rgba(16,17,19,.88); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: fadeInUp .6s var(--ease-out) .5s both;
}
.hero-stats div {
  min-height: 96px; padding: 22px 26px;
  border-right: 1px solid rgba(255,255,255,.16);
  transition: background .3s ease;
}
.hero-stats div:last-child { border-right: 0; }
.hero-stats div:hover { background: rgba(255,255,255,.05); }
.hero-stats strong { display: block; color: var(--white); font-size: 28px; line-height: 1; letter-spacing: -.02em; }
.hero-stats span { display: block; margin-top: 8px; color: rgba(255,255,255,.74); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }

/* ===== SECTIONS ===== */
.section { padding: clamp(70px, 9vw, 118px) clamp(18px, 4vw, 56px); }
.section-light { background: var(--paper); }
.section-dark { color: var(--white); background: var(--black); }
.section-heading { width: min(780px, 100%); margin: 0 auto 42px; text-align: center; }
.section-heading.align-left { margin: 0; text-align: left; }
.section-heading h2, .energy-panel h2, .brand-statement h2, .contact-band h2 { font-size: clamp(34px, 5vw, 64px); text-transform: uppercase; }
.section-heading p:not(.eyebrow), .energy-panel p, .brand-statement p:not(.eyebrow), .contact-band p { color: var(--muted); font-size: 17px; line-height: 1.65; }
.section-dark .section-heading p:not(.eyebrow), .section-dark .product-card p, .contact-band p { color: rgba(255,255,255,.68); }

/* ===== CATEGORY GRID ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; width: min(var(--max), 100%); margin: 0 auto; }
.category-card, .product-card, .capability-grid article, .range-grid article {
  overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 8px;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .35s ease;
}
.category-card:hover, .product-card:hover, .capability-grid article:hover, .range-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);
  border-color: rgba(223,16,26,.2);
}
.section-dark .category-card:hover { border-color: rgba(223,16,26,.35); box-shadow: 0 16px 48px rgba(0,0,0,.4), 0 4px 12px rgba(223,16,26,.1); }
.card-hit-area { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.card-hit-area:focus-visible { outline: 3px solid rgba(223,16,26,.55); outline-offset: 3px; }
.card-hit-area .category-content { flex: 1; }
.category-card img { height: 240px; object-fit: contain; background: var(--paper); transition: transform .5s var(--ease-out); }
.category-card:hover img { transform: scale(1.05); }
.category-content { padding: 24px; }
.category-kicker { display: block; margin-bottom: 10px; color: var(--red); font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.category-card h3, .product-card h3, .capability-grid h3, .range-grid h3 { margin: 0; font-size: 20px; line-height: 1.15; text-transform: uppercase; letter-spacing: -.01em; transition: color .25s ease; }
.category-card:hover h3 { color: var(--red); }
.category-card p, .product-card p, .capability-grid p { margin: 12px 0 0; color: var(--muted); line-height: 1.55; font-size: 14.5px; }

/* ===== SPLIT LAYOUT (NAILER FEATURED) ===== */
.split-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(28px, 5vw, 60px); align-items: start; width: min(var(--max), 100%); margin: 0 auto; }
.product-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-card { color: var(--white); background: #181a1e; border-color: rgba(255,255,255,.12); }
.product-card img { height: 240px; object-fit: contain; background: var(--paper); transition: transform .5s var(--ease-out); }
.product-card:hover img { transform: scale(1.06); }
.product-card h3, .product-card p { padding-left: 18px; padding-right: 18px; }
.product-card h3 { margin-top: 20px; font-size: 17px; }
.product-card p { padding-bottom: 22px; font-size: 13.5px; }

/* ===== ENERGY SECTION ===== */
.energy-section { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr); min-height: 690px; background: var(--white); }
.energy-image { background: var(--paper); overflow: hidden; }
.energy-image img, .energy-image video {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  background: var(--paper); transition: transform .6s var(--ease-out);
}
.energy-image:hover img, .energy-image:hover video { transform: scale(1.03); }
.energy-panel { display: flex; flex-direction: column; justify-content: center; padding: clamp(36px, 6vw, 78px); background: linear-gradient(135deg, rgba(223,16,26,.06), transparent), var(--white); }
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 34px 0 0; }
.spec-grid div { min-height: 106px; padding: 20px; border: 1px solid var(--line); border-left: 5px solid var(--red); background: var(--paper); border-radius: 0 6px 6px 0; transition: transform .3s var(--ease-out), box-shadow .3s ease, border-color .3s ease; }
.spec-grid div:hover { transform: translateX(4px); box-shadow: 0 4px 16px rgba(223,16,26,.08); border-left-color: var(--red-dark); }
.spec-grid dt { color: var(--black); font-size: 26px; font-weight: 950; letter-spacing: -.02em; }
.spec-grid dd { margin: 8px 0 0; color: var(--muted); font-weight: 800; text-transform: uppercase; font-size: 11.5px; letter-spacing: .06em; }

/* ===== BRAND SECTION ===== */
.brand-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.brand-proof-section {
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
  align-items: center;
  position: relative;
  overflow: hidden;
  scroll-margin-top: 86px;
  padding-top: clamp(126px, 10vw, 154px);
  background:
    linear-gradient(120deg, rgba(223,16,26,.15), transparent 38%),
    radial-gradient(ellipse at 88% 12%, rgba(255,255,255,.09), transparent 36%),
    var(--black);
}
.brand-proof-section::before {
  content: "WINCHI";
  position: absolute;
  left: clamp(18px, 5vw, 70px);
  top: 28px;
  color: rgba(255,255,255,.035);
  font-size: clamp(82px, 14vw, 190px);
  font-weight: 950;
  font-style: italic;
  line-height: .8;
  pointer-events: none;
}
.brand-proof-section .brand-statement { position: relative; z-index: 1; grid-column: 1; grid-row: 1; justify-self: end; width: min(100%, 520px); }
.brand-proof-logo {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: center;
  position: relative;
  z-index: 2;
  width: clamp(300px, 32vw, 500px);
  height: auto;
  margin: 0;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,.32));
  pointer-events: none;
}
.brand-proof-section .brand-statement h2 { color: var(--white); max-width: 520px; }
.brand-proof-section .brand-statement p:not(.eyebrow) { color: rgba(255,255,255,.72); }
.brand-scale { margin: 32px 0 26px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.brand-scale strong { display: block; color: var(--red); font-size: clamp(52px, 7vw, 86px); font-weight: 950; line-height: .9; letter-spacing: -.04em; }
.brand-scale span { display: block; margin-top: 8px; color: var(--white); font-size: 18px; font-weight: 900; text-transform: uppercase; letter-spacing: .04em; }
.brand-oem-copy { padding-left: 18px; border-left: 4px solid var(--red); }
.brand-media-grid {
  grid-column: 1 / -1;
  grid-row: 2;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr .78fr;
  grid-auto-rows: 138px;
  gap: 10px;
  width: min(100%, 780px);
  justify-self: center;
  margin-inline: auto;
}
.brand-media-grid figure { position: relative; min-height: 0; margin: 0; overflow: hidden; background: #22282d; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; }
.brand-media-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s var(--ease-out); }
.brand-media-grid figure:hover img { transform: scale(1.04); }
.brand-media-main { grid-column: 1 / -1; grid-row: span 2; }
.brand-media-main img { object-position: center; }
.brand-certificate img { object-position: top center; }
.brand-media-grid figcaption {
  position: absolute;
  left: 10px;
  bottom: 10px;
  max-width: calc(100% - 20px);
  padding: 6px 9px;
  color: var(--white);
  background: rgba(16,17,19,.76);
  border-left: 3px solid var(--red);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
  backdrop-filter: blur(10px);
}
.capability-grid { display: grid; gap: 14px; }
.capability-grid article { padding: 28px; border-radius: 8px; }
.capability-grid span { display: block; margin-bottom: 18px; color: var(--red); font-weight: 950; font-size: 32px; letter-spacing: -.02em; }
.capability-grid h3 { font-size: 19px; margin-bottom: 8px; }
.brand-capabilities {
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
  width: min(var(--max), 100%);
  margin: 8px auto 0;
}
.brand-capabilities article { color: var(--white); background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); }
.brand-capabilities p { color: rgba(255,255,255,.68); }

/* ===== SOUND VIDEO LIBRARY ===== */
.sound-video-section {
  background:
    radial-gradient(ellipse at 18% 8%, rgba(223,16,26,.18), transparent 38%),
    linear-gradient(180deg, #101113 0%, #17191d 100%);
}
.sound-video-groups {
  display: grid;
  gap: 28px;
  width: min(var(--max), 100%);
  margin: 0 auto;
}
.sound-video-group {
  display: grid;
  grid-template-columns: minmax(210px, .28fr) minmax(0, 1fr);
  gap: clamp(20px, 4vw, 42px);
  align-items: start;
}
.sound-video-group-heading {
  position: sticky;
  top: 96px;
  padding-top: 8px;
}
.sound-video-group-heading span {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-size: 42px;
  font-weight: 950;
  line-height: .9;
  letter-spacing: -.04em;
}
.sound-video-group-heading h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -.03em;
}
.sound-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.sound-video-card {
  overflow: hidden;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(0,0,0,.28);
}
.sound-video-card-wide {
  grid-column: 1 / -1;
}
.sound-video-frame {
  position: relative;
  background: #08090b;
  aspect-ratio: 16 / 9;
}
.sound-video-frame video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #08090b;
}
.sound-video-play {
  position: absolute;
  left: 18px;
  bottom: 18px;
  max-width: calc(100% - 36px);
  padding: 12px 16px;
  color: var(--white);
  background: rgba(223,16,26,.92);
  border: 1px solid rgba(255,255,255,.26);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .06em;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(0,0,0,.34);
  transition: transform .25s var(--ease-out), background .25s ease, opacity .25s ease;
}
.sound-video-play::before {
  content: "▶";
  margin-right: 8px;
  font-size: 10px;
}
.sound-video-play:hover,
.sound-video-play:focus-visible {
  transform: translateY(-2px);
  background: var(--red-dark);
}
.sound-video-card.is-playing .sound-video-play {
  opacity: 0;
  pointer-events: none;
}
.sound-video-content {
  padding: 20px;
}
.sound-video-content span {
  display: block;
  margin-bottom: 10px;
  color: var(--red);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.sound-video-content h4 {
  margin: 0;
  color: var(--white);
  font-size: 20px;
  line-height: 1.15;
  text-transform: uppercase;
}
.sound-video-content p {
  margin: 10px 0 0;
  color: rgba(255,255,255,.68);
  font-size: 14.5px;
  line-height: 1.55;
}

/* ===== CATALOGUE / RANGE SECTION ===== */
.catalogue-section .section-heading { margin-bottom: 34px; }
.range-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; width: min(var(--max), 100%); margin: 0 auto; }
.range-grid article { color: var(--white); background: #181a1e; border-color: rgba(255,255,255,.12); }
.range-grid img { height: 300px; object-fit: contain; background: var(--white); transition: transform .5s var(--ease-out); }
.range-grid article:hover img { transform: scale(1.05); }
.range-grid h3 { padding: 22px; min-height: 88px; font-size: 17px; }

/* ===== CONTACT BAND ===== */
.contact-band {
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; padding: clamp(58px, 7vw, 86px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(90deg, rgba(16,17,19,.95), rgba(16,17,19,.72)), url("assets/images/partner-bg.jpg") center 20% / cover;
  position: relative; overflow: hidden;
}
.contact-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(223,16,26,.08), transparent 70%); pointer-events: none; }
.contact-band > div { max-width: 760px; position: relative; z-index: 1; }
.contact-band .primary-button { position: relative; z-index: 1; animation: pulseGlow 3s ease-in-out infinite; }

/* ===== SITE FOOTER ===== */
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 30px clamp(18px, 4vw, 56px); color: var(--white); background: #08090a; }
.site-footer p { margin: 0; color: rgba(255,255,255,.62); }
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-nav { display: flex; gap: 24px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.footer-nav a { opacity: .72; transition: opacity .25s ease, color .25s ease; position: relative; }
.footer-nav a:hover { opacity: 1; color: var(--white); }
.footer-social { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.footer-social a { opacity: .72; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 8px 16px; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; transition: all .3s var(--ease-out); }
.footer-social a:hover { opacity: 1; color: var(--white); border-color: var(--red); background: rgba(223,16,26,.12); transform: translateY(-2px); }
.footer-legal { font-size: 12px; color: rgba(255,255,255,.42); }

/* ===== HAMBURGER MENU ===== */
.menu-toggle { display: none; flex-direction: column; gap: 5px; width: 32px; height: 32px; padding: 4px 0; background: none; border: none; cursor: pointer; z-index: 25; }
.menu-toggle span { display: block; height: 3px; background: var(--white); border-radius: 2px; transition: transform .25s var(--ease-out), opacity .25s ease; }
.site-header.menu-open .menu-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.site-header.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
.site-header.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.site-header.scrolled { box-shadow: 0 4px 28px rgba(0,0,0,.4); background: rgba(16,17,19,.95); }

/* ===== PAGE HERO (INNER PAGES) ===== */
.page-hero { position: relative; min-height: 340px; display: grid; align-items: end; padding-top: 76px; background: var(--black); color: var(--white); }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(16,17,19,.92), rgba(16,17,19,.35) 100%); }
.page-hero-content { position: relative; z-index: 2; width: min(var(--max), calc(100% - 36px)); margin: 0 auto; padding: 60px 0; animation: slideInLeft .6s var(--ease-out) both; }
.page-hero-content h1 { margin: 0; font-size: clamp(36px, 6vw, 72px); font-weight: 950; text-transform: uppercase; line-height: .96; letter-spacing: -.01em; }
.page-hero-content p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.65; margin-top: 18px; }

/* ===== PRODUCT LISTING GRID ===== */
.product-listing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; width: min(var(--max), 100%); margin: 0 auto; }
.listing-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 8px; transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.listing-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,.1); }
.listing-card a { display: grid; grid-template-columns: minmax(220px, 260px) minmax(0, 1fr); color: inherit; text-decoration: none; }
.listing-card img { height: 100%; min-height: 280px; object-fit: contain; background: var(--paper); transition: transform .5s var(--ease-out); }
.listing-card:hover img { transform: scale(1.05); }
.listing-dark { background: #181a1e; border-color: rgba(255,255,255,.12); color: var(--white); }
.listing-dark img { background: #181a1e; }
.listing-dark .category-kicker { color: var(--red); }
.listing-dark p, .listing-dark dd { color: rgba(255,255,255,.68); }
.listing-content { min-width: 0; padding: 28px; display: flex; flex-direction: column; gap: 8px; }
.listing-content h3 { margin: 0; font-size: 22px; line-height: 1.12; text-transform: uppercase; overflow-wrap: anywhere; transition: color .25s ease; }
.listing-card:hover .listing-content h3 { color: var(--red); }
.listing-content p { color: var(--muted); line-height: 1.55; margin: 0; font-size: 14.5px; }
.card-link { margin-top: auto; color: var(--red); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; display: inline-flex; align-items: center; gap: 6px; transition: gap .3s ease; }
.card-link::after { content: '\2192'; font-size: 14px; }
.card-link:hover { gap: 10px; }
.spec-grid-inline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 8px 0; }
.listing-content .spec-grid-inline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.spec-grid-inline div { padding: 10px; border: 1px solid rgba(255,255,255,.12); border-left: 3px solid var(--red); border-radius: 0 4px 4px 0; transition: all .3s ease; }
.spec-grid-inline div:hover { background: rgba(255,255,255,.04); border-left-color: var(--red-dark); }
.spec-grid-inline dt { font-size: 18px; font-weight: 950; color: var(--white); letter-spacing: -.02em; }
.spec-grid-inline dd { margin: 4px 0 0; font-size: 11px; font-weight: 800; text-transform: uppercase; color: rgba(255,255,255,.58); letter-spacing: .06em; overflow-wrap: anywhere; }
.section-light .spec-grid-inline div { border: 1px solid var(--line); border-left: 3px solid var(--red); border-radius: 0 4px 4px 0; }
.section-light .spec-grid-inline dt { color: var(--ink); }
.section-light .spec-grid-inline dd { color: var(--muted); }

/* ===== PRODUCT DETAIL PAGE ===== */
.detail-hero { padding: 110px clamp(18px,4vw,56px) 50px; background: var(--paper); }
.detail-hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,60px); width: min(var(--max),100%); margin: 0 auto; align-items: start; }
.detail-image { border-radius: 10px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 4px 20px rgba(0,0,0,.08); transition: box-shadow .3s ease; }
.detail-image:hover { box-shadow: 0 8px 32px rgba(0,0,0,.14); }
.detail-image img { width: 100%; height: auto; object-fit: contain; background: var(--paper); transition: transform .5s var(--ease-out); }
.detail-image:hover img { transform: scale(1.03); }
.detail-info h1 { margin: 0; font-size: clamp(30px,5vw,52px); font-weight: 950; text-transform: uppercase; line-height: .96; letter-spacing: -.01em; }
.detail-info .eyebrow { margin-bottom: 12px; }
.detail-info > p { color: var(--muted); line-height: 1.65; font-size: 17px; margin: 18px 0 0; }
.detail-specs { margin-top: 28px; }
.detail-specs h2 { font-size: 18px; font-weight: 950; text-transform: uppercase; margin: 0 0 14px; letter-spacing: .04em; }
.detail-specs dl { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.detail-specs dt { font-size: 11px; font-weight: 800; text-transform: uppercase; color: var(--muted); padding: 10px 14px 4px; background: var(--white); border: 1px solid var(--line); border-bottom: 0; border-radius: 4px 4px 0 0; letter-spacing: .06em; }
.detail-specs dd { margin: 0; font-size: 16px; font-weight: 700; padding: 4px 14px 10px; background: var(--white); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 4px 4px; transition: background .25s ease; }
.detail-specs dd:hover { background: var(--paper); }
.detail-cta { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== RELATED PRODUCTS ===== */
.related-section { padding: clamp(50px,7vw,90px) clamp(18px,4vw,56px); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; width: min(var(--max),100%); margin: 0 auto; }
.related-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 8px; transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), border-color .25s ease; }
.related-card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px rgba(0,0,0,.1); }
.related-card.is-active { border-color: rgba(223,16,26,.65); box-shadow: 0 0 0 2px rgba(223,16,26,.12); }
.related-card a { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.related-card a:focus-visible { outline: 3px solid rgba(223,16,26,.45); outline-offset: 3px; }
.related-card img { height: 220px; object-fit: contain; background: var(--paper); transition: transform .5s var(--ease-out); }
.related-card:hover img { transform: scale(1.05); }
.related-card h3 { padding: 16px 18px; margin: 0; font-size: 16px; text-transform: uppercase; transition: color .25s ease; }
.related-card:hover h3 { color: var(--red); }

/* ===== CONTACT PAGE ===== */
.contact-page { padding: 110px clamp(18px,4vw,56px) 60px; }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,60px); width: min(var(--max),100%); margin: 0 auto; }
.contact-form h1 { margin: 0; font-size: clamp(30px,5vw,48px); font-weight: 950; text-transform: uppercase; line-height: .96; letter-spacing: -.01em; }
.contact-form > p { color: var(--muted); line-height: 1.65; margin: 14px 0 0; }
.form-group { margin-top: 20px; }
.form-group label { display: block; font-size: 12px; font-weight: 800; text-transform: uppercase; margin-bottom: 6px; color: var(--ink); letter-spacing: .06em; }
.form-group input, .form-group select, .form-group textarea { width: 100%; min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 6px; font-size: 15px; font-family: inherit; background: var(--white); color: var(--ink); transition: border-color .25s ease, box-shadow .25s ease, transform .2s ease; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(223,16,26,.12); transform: translateY(-1px); }
.form-group textarea { min-height: 120px; padding: 12px 14px; resize: vertical; }
.form-consent { display:flex; align-items:flex-start; gap:10px; margin:18px 0; color:var(--muted); font-size:13px; line-height:1.5; cursor:pointer; }
.form-consent input { flex:0 0 auto; width:18px; height:18px; margin-top:1px; accent-color:var(--red); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-sidebar { padding: 36px; background: var(--black); color: var(--white); border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,.15); }
.contact-sidebar h2 { margin: 0; font-size: 22px; font-weight: 950; text-transform: uppercase; letter-spacing: -.01em; }
.contact-sidebar p { color: rgba(255,255,255,.68); line-height: 1.65; margin-top: 14px; }
.contact-sidebar .info-block { margin-top: 28px; }
.contact-sidebar .info-block h3 { font-size: 12px; font-weight: 800; text-transform: uppercase; color: var(--red); margin: 0 0 6px; letter-spacing: .06em; }
.contact-sidebar .info-block p { margin: 0; font-size: 15px; color: rgba(255,255,255,.82); }

/* ===== FORM SUCCESS ===== */
.form-success { margin-top: 28px; padding: 28px; background: var(--paper); border: 1px solid var(--line); border-left: 5px solid var(--red); border-radius: 6px; animation: scaleIn .4s var(--ease-out); }
.form-success h3 { margin: 0; font-size: 20px; text-transform: uppercase; }
.form-success p { color: var(--muted); margin-top: 8px; line-height: 1.55; }

/* ===== RESPONSIVE: TABLET ===== */
@media (max-width: 980px) {
  .site-header { position: absolute; flex-wrap: wrap; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; padding-bottom: 3px; }
  .hero-video-rail { width: min(100%, 380px); }
  .hero-video-rail button { min-width: 160px; }
  .hero-video-rail button:hover, .hero-video-rail button:focus-visible { transform: translateY(-2px); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .split-layout, .energy-section, .brand-section, .range-grid, .sound-video-group { grid-template-columns: 1fr; }
  .product-strip { grid-template-columns: repeat(2, 1fr); }
  .energy-image img, .energy-image video { max-height: 560px; min-height: 420px; }
  .sound-video-group-heading { position: static; }
  .brand-statement, .capability-grid { justify-self: center; width: min(var(--max), 100%); }
  .brand-proof-section .brand-statement { justify-self: center; width: min(var(--max), 100%); }
  .brand-proof-logo {
    position: relative;
    top: auto;
    right: auto;
    grid-column: 1;
    grid-row: 2;
    justify-self: center;
    width: min(320px, 72vw);
    margin: 2px 0 6px;
    transform: none;
  }
  .brand-media-grid { justify-self: center; width: min(var(--max), 100%); }
  .brand-capabilities { grid-template-columns: repeat(2, 1fr); }
  .listing-card a { grid-template-columns: 1fr; }
  .listing-card img { min-height: 220px; }
  .product-listing-grid { grid-template-columns: 1fr; }
  .detail-hero-inner, .contact-inner { grid-template-columns: 1fr; }
  .detail-specs dl { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .spec-grid-inline { grid-template-columns: repeat(2, 1fr); }
  .site-footer { align-items: flex-start; flex-wrap: wrap; }
  .footer-legal { width: 100%; }
}

/* ===== RESPONSIVE: MOBILE ===== */
@media (max-width: 680px) {
  .site-header { min-height: 64px; gap: 12px; }
  .brand { font-size: 24px; }
  .quote-button { display: none; }
  .language-select { min-width: 108px; }
  .hero { min-height: 820px; }
  .hero-overlay { background: linear-gradient(0deg, rgba(16,17,19,.96), rgba(16,17,19,.52) 72%), linear-gradient(90deg, rgba(16,17,19,.7), rgba(16,17,19,.16)); }
  .hero-content { padding: 150px 0 clamp(360px, 56vw, 400px); }
  .hero-video-rail { inset: auto; width: 100%; gap: 8px; margin-top: 22px; }
  .hero-video-rail button { flex-basis: 142px; min-width: 0; min-height: 58px; padding: 11px 12px; }
  .hero-stats, .product-strip, .spec-grid, .range-grid, .brand-capabilities, .sound-video-grid { grid-template-columns: 1fr; }
  .hero-stats div { min-height: 78px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .hero-stats div:last-child { border-bottom: 0; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card img, .product-card img, .range-grid img { height: 280px; object-fit: contain; }
  .sound-video-play { left: 12px; bottom: 12px; max-width: calc(100% - 24px); padding: 10px 12px; font-size: 11px; }
  .brand-media-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 132px; gap: 8px; }
  .brand-media-main { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 16 / 8.2; }
  .brand-scale strong { font-size: clamp(46px, 14vw, 62px); }
  .contact-band, .site-footer { align-items: flex-start; flex-direction: column; }
  .footer-nav { flex-direction: column; gap: 10px; }
  .related-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media img, .hero-media video, .energy-image img, .energy-image video {
    transition: none;
  }
  .hero:hover .hero-media img,
  .hero:hover .hero-media video.is-active,
  .energy-image:hover img,
  .energy-image:hover video {
    transform: none;
  }
}

/* ===== MOBILE MENU TOGGLE ===== */
@media (max-width: 980px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; padding: 12px clamp(18px, 4vw, 56px) 18px;
    background: rgba(16,17,19,.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,.14); gap: 0;
    animation: fadeInUp .3s var(--ease-out);
  }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .main-nav a::after { display: none; }
  .site-header.menu-open .main-nav { display: flex; }
}

/* ===== SELECTION & FOCUS ===== */
::selection { background: var(--red); color: var(--white); }
*:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--red);
  color: white;
  padding: 8px 16px;
  z-index: 100;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus {
  top: 0;
}

/* ===== HOVER EFFECTS ===== */
.category-card:hover,
.listing-card:hover,
.product-card:hover,
.range-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.category-card,
.listing-card,
.product-card,
.range-grid article {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE MENU TRANSITION ===== */
@media (max-width: 767px) {
  .main-nav {
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
}