:root {
  color-scheme: dark;
  --ink: #06120f;
  --ink-2: #0b1d17;
  --surface: #10271f;
  --line: rgba(231, 244, 228, .14);
  --text: #f2f1e7;
  --muted: #a7b4ab;
  --energy: #b7f35d;
  --energy-strong: #91dc2e;
  --warm: #ede8d8;
  --max: 1180px;
  --radius: 22px;
  --display: Cambria, "Iowan Old Style", Georgia, serif;
  --body: Bahnschrift, Aptos, "Segoe UI", sans-serif;
  font-family: var(--body);
  font-synthesis: none;
  line-height: 1.55;
  background: var(--ink);
  color: var(--text);
  scroll-behavior: smooth;
}

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

html { overflow-x: hidden; }

body {
  font-family: Bahnschrift, Aptos, "Segoe UI", sans-serif;
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 8%, rgba(145, 220, 46, .1), transparent 28rem),
    linear-gradient(rgba(231, 244, 228, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 244, 228, .018) 1px, transparent 1px),
    var(--ink);
  background-size: auto, 52px 52px, 52px 52px, auto;
  color: var(--text);
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  opacity: .12;
  pointer-events: none;
  content: "";
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
}

::selection { background: var(--energy); color: var(--ink); }

a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }
a:hover { color: var(--energy); }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
button, input, select, textarea, a { -webkit-tap-highlight-color: transparent; }
p, li, h1, h2, h3, a, label, dd { overflow-wrap: anywhere; }

:focus-visible {
  outline: 3px solid var(--energy);
  outline-offset: 4px;
  border-radius: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  min-height: 44px;
  padding: .65rem 1rem;
  transform: translateY(-160%);
  background: var(--energy);
  color: var(--ink);
  font-weight: 700;
}

.skip-link:focus { transform: none; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.generated-scene { display: contents; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  margin: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 18, 15, .8);
  backdrop-filter: blur(18px) saturate(130%);
}

.site-header-inner,
.site-footer-inner,
main {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  gap: 1.8rem;
}

.wordmark {
  flex: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: .36em;
  font-family: var(--body);
  font-size: .92rem;
  font-weight: 750;
  letter-spacing: .16em;
  text-decoration: none;
}

.brand-solar { color: var(--energy); }

.nav-cluster {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1rem, 3vw, 2.7rem);
}

.site-header nav,
.site-footer nav,
.language-menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem clamp(.45rem, 1.4vw, 1.15rem);
}

.site-header nav a,
.language-menu a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"],
.language-menu a[aria-current="true"] {
  border-color: var(--energy);
  color: var(--text);
}

.language-menu {
  max-width: 150px;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  gap: 0 .5rem;
}

.language-menu a { min-height: 22px; font-size: .66rem; }

.menu-toggle {
  display: none;
  width: 44px;
  min-height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

main { padding-bottom: clamp(5rem, 11vw, 9rem); }

main > section,
main > article,
main > header,
main > form,
main > div {
  margin-block: clamp(5rem, 11vw, 9rem);
}

h1, h2, h3, p { margin-top: 0; }

h1, h2, h3 {
  font-family: Cambria, "Iowan Old Style", Georgia, serif;
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.035em;
}

h1 { max-width: 13ch; font-size: clamp(3.15rem, 7vw, 7.25rem); }
h2 { max-width: 18ch; font-size: clamp(2.2rem, 4.5vw, 4.5rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 2rem); line-height: 1.08; }

p { max-width: 64ch; color: var(--muted); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.5rem;
  color: var(--energy);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.eyebrow::before { width: 38px; height: 1px; background: currentColor; content: ""; }

.button,
.hero-actions a,
.featured-products > a,
.factory-capability > a,
.final-inquiry > a,
.catalogue-empty a,
.inquiry-cta,
.inquiry-form button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.35rem;
  border: 1px solid var(--energy);
  color: var(--text);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s ease, background-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.button-primary,
.final-inquiry > a,
.inquiry-form button {
  background: var(--energy);
  color: var(--ink);
}

.button:hover,
.hero-actions a:hover,
.featured-products > a:hover,
.factory-capability > a:hover,
.final-inquiry > a:hover,
.catalogue-empty a:hover,
.inquiry-cta:hover,
.inquiry-form button:hover {
  box-shadow: 0 0 36px rgba(183, 243, 93, .22);
  transform: translateY(-2px);
}

.hero {
  position: relative;
  display: grid;
  min-height: min(790px, calc(100vh - 78px));
  grid-template-columns: minmax(0, .93fr) minmax(390px, 1.07fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  margin-top: 0;
  padding-block: clamp(5.5rem, 10vw, 9rem);
}

.hero::before {
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 48%;
  width: 1px;
  background: linear-gradient(transparent, var(--line), transparent);
  content: "";
}

.hero-copy { position: relative; z-index: 2; }
.hero-copy > * { animation: hero-rise .72s both cubic-bezier(.2,.75,.25,1); }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
.hero-lede { max-width: 49ch; font-size: clamp(1rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2.25rem; }
.hero-actions .text-link { border-color: transparent; }

.hero-stage {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50% 50% var(--radius) var(--radius) / 24% 24% var(--radius) var(--radius);
  background:
    radial-gradient(circle at 67% 30%, rgba(183, 243, 93, .17) 0 2%, transparent 26%),
    linear-gradient(162deg, #294539 0%, #10271f 40%, #071510 71%);
  box-shadow: inset 0 0 70px rgba(6, 18, 15, .75), 0 50px 100px rgba(0, 0, 0, .3);
  animation: hero-rise .9s .12s both cubic-bezier(.2,.75,.25,1);
}

.hero-picture {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
}

.hero-picture::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 15, .06) 35%, rgba(6, 18, 15, .62) 100%);
  content: "";
}

.hero-picture img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.hero-stage::before,
.hero-stage::after {
  position: absolute;
  z-index: 4;
  content: "";
}

.hero-stage::before { inset: 0; background: linear-gradient(112deg, transparent 0 48%, rgba(183, 243, 93, .08) 48.2% 48.5%, transparent 49%); }
.hero-stage::after { right: 0; bottom: 0; width: 56%; height: 45%; border-left: 1px solid var(--line); background: rgba(6, 18, 15, .28); clip-path: polygon(65% 0, 100% 0, 100% 100%, 0 100%); }
.hero-stage > p { position: absolute; z-index: 6; right: 1.5rem; bottom: .6rem; color: var(--muted); font-size: .6rem; letter-spacing: .17em; writing-mode: vertical-rl; }
.sky-orbit { position: absolute; top: 16%; right: 16%; width: 140px; aspect-ratio: 1; border: 1px solid rgba(183, 243, 93, .22); border-radius: 50%; box-shadow: 0 0 65px rgba(183, 243, 93, .13); }
.solar-road { position: absolute; bottom: -3%; left: 4%; width: 96%; height: 57%; transform: skewX(-10deg); background: linear-gradient(90deg, #07100d, #14231d 48%, #08110e); clip-path: polygon(44% 0, 67% 0, 100% 100%, 0 100%); }
.solar-road::after { position: absolute; inset: 0; background: linear-gradient(90deg, transparent 49.5%, rgba(237, 232, 216, .32) 50%, transparent 50.5%); content: ""; }
.road-line { position: absolute; z-index: 2; bottom: 4%; width: 1px; height: 68%; background: rgba(237, 232, 216, .25); transform-origin: bottom; }
.road-line-left { left: 31%; transform: rotate(15deg); }
.road-line-right { right: 19%; transform: rotate(-27deg); }
.road-light { position: absolute; z-index: 5; bottom: 27%; width: 5px; height: 225px; background: #1a2a23; box-shadow: -2px 0 rgba(237, 232, 216, .2); }
.road-light::before { position: absolute; top: 0; left: 0; width: 72px; height: 6px; background: #18281f; content: ""; transform: rotate(-6deg); transform-origin: left; }
.road-light span { position: absolute; top: 1px; left: 55px; width: 17px; height: 7px; background: var(--energy); box-shadow: 0 5px 28px 8px rgba(183, 243, 93, .36); }
.road-light-one { right: 23%; }
.road-light-two { bottom: 38%; left: 24%; height: 150px; transform: scale(.72); opacity: .65; }
.beam { position: absolute; z-index: 3; right: 6%; bottom: 5%; width: 52%; height: 66%; opacity: .38; background: linear-gradient(145deg, rgba(183, 243, 93, .35), transparent 56%); clip-path: polygon(70% 0, 100% 4%, 80% 100%, 0 100%); mix-blend-mode: screen; }

.category-grid,
.benefits,
.featured-products,
.factory-capability,
.quality-verification,
.process,
.applications,
.final-inquiry { position: relative; }

.category-grid > p,
.benefits > p,
.featured-products > p,
.process > p,
.applications > p { font-size: 1.05rem; }

.category-grid > div { display: grid; grid-template-columns: 1.15fr .9fr .9fr; margin-top: 3rem; border-top: 1px solid var(--line); }
.category-card { position: relative; min-height: 330px; padding: 2rem clamp(1rem, 3vw, 2.5rem); border-right: 1px solid var(--line); counter-increment: categories; }
.category-card:last-child { border-right: 0; }
.category-card::before { color: var(--energy); content: "0" counter(categories); font-size: .7rem; letter-spacing: .18em; }
.category-card::after { position: absolute; right: 12%; bottom: 16%; width: 70px; height: 130px; border: 1px solid var(--line); content: ""; transform: skew(-8deg); }
.category-card h3 { max-width: 8ch; margin-top: 5rem; }
.category-card p { font-size: .9rem; }
.category-card:hover::after { border-color: var(--energy); box-shadow: 0 0 35px rgba(183, 243, 93, .1); }

.benefits { padding: clamp(3rem, 8vw, 7rem); background: var(--warm); color: var(--ink); }
.benefits > p, .benefit-card p { color: #405149; }
.benefits > div { display: grid; grid-template-columns: 1fr 1fr; margin-top: 3rem; border-top: 1px solid rgba(6, 18, 15, .2); }
.benefit-card { display: grid; grid-template-columns: minmax(130px, .8fr) 1.2fr; gap: 1rem; min-height: 180px; padding: 2rem 0; border-bottom: 1px solid rgba(6, 18, 15, .2); }
.benefit-card:nth-child(odd) { padding-right: 2rem; border-right: 1px solid rgba(6, 18, 15, .2); }
.benefit-card:nth-child(even) { padding-left: 2rem; }
.benefit-card h3 { font-size: clamp(1.3rem, 2vw, 1.8rem); }

.featured-products { display: grid; grid-template-columns: .75fr 1.25fr; gap: 1rem 5rem; }
.featured-products > h2, .featured-products > p, .featured-products > a { grid-column: 1; }
.featured-products > div { grid-column: 2; grid-row: 1 / span 4; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); }
.catalogue-empty { min-height: 370px; display: flex; flex-direction: column; justify-content: flex-end; padding: 2.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, var(--surface), rgba(16,39,31,.3)); }
.catalogue-empty::before { display: block; margin-bottom: auto; color: var(--energy); content: attr(data-eyebrow); font-size: .65rem; letter-spacing: .18em; }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card { padding: 1.1rem; background: var(--ink); transition: background-color .25s ease, transform .25s ease; }
.product-card:hover { z-index: 1; background: var(--ink-2); transform: translateY(-5px); }
.product-card h2, .product-card h3 { font-size: 1.6rem; }
.product-stage { min-height: 260px; display: grid; place-items: center; margin-bottom: 1.5rem; overflow: hidden; border-radius: calc(var(--radius) / 2); background: var(--warm); color: #536159; }
.product-card .product-stage { background: var(--ink-2); box-shadow: inset 0 0 45px rgba(183, 243, 93, .04); }
.product-gallery.product-stage { background: var(--ink-2); }
.product-stage > span { font-family: var(--display); font-size: 4rem; opacity: .28; }
.product-stage img { width: 100%; max-height: 520px; object-fit: contain; }

.factory-capability { display: grid; grid-template-columns: .85fr 1.15fr; gap: 1rem 5rem; padding-top: 3rem; border-top: 1px solid var(--line); }
.factory-capability > ul { grid-column: 2; grid-row: 1 / span 3; margin: 0; padding: 0; list-style: none; counter-reset: capability; }
.factory-capability > ul li { display: flex; min-height: 88px; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--line); counter-increment: capability; font-family: var(--display); font-size: clamp(1.3rem, 2.6vw, 2.2rem); }
.factory-capability > ul li::before { width: 4rem; color: var(--energy); content: "0" counter(capability); font-family: var(--body); font-size: .65rem; letter-spacing: .15em; }

.quality-verification { width: calc(100% + 8vw); margin-left: -4vw; padding: clamp(3rem, 7vw, 6rem); border: 1px solid var(--line); background: radial-gradient(circle at 80% 40%, rgba(183,243,93,.09), transparent 28%), var(--ink-2); }
.quality-verification h3 { margin-top: 4rem; color: var(--energy); }
.quality-verification > p:last-child { max-width: 80ch; padding: 1.4rem 0 0 2rem; border-left: 1px solid var(--energy); }

.process > div { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4rem; counter-reset: process; }
.process-step { position: relative; min-height: 260px; padding: 5rem 1.5rem 1.5rem; border-top: 1px solid var(--line); border-right: 1px solid var(--line); counter-increment: process; }
.process-step:last-child { border-right: 0; }
.process-step::before { position: absolute; top: 1rem; color: var(--energy); content: "0" counter(process) " —"; font-size: .65rem; letter-spacing: .16em; }

.applications > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 3rem; }
.application-card { position: relative; min-height: 360px; display: flex; align-items: flex-end; padding: 2rem; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(155deg, transparent 35%, rgba(183,243,93,.08)), var(--ink-2); }
.application-card::before, .application-card::after { position: absolute; content: ""; }
.application-card::before { inset: 15% -10% auto 22%; height: 1px; background: var(--line); transform: rotate(-26deg); }
.application-card::after { top: 13%; right: 16%; width: 8px; height: 130px; border-top: 50px solid var(--surface); border-left: 2px solid var(--muted); }
.application-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.application-card[data-visual]::before { z-index: 1; inset: 0; height: auto; background: linear-gradient(180deg, rgba(6,18,15,.04) 32%, rgba(6,18,15,.92) 100%); transform: none; }
.application-card[data-visual]::after { display: none; }
.application-card-copy { position: relative; z-index: 2; }
.application-card h3 { max-width: 12ch; }
.application-card-copy p { max-width: 32ch; margin: .55rem 0 0; color: var(--text); font-size: .72rem; letter-spacing: .02em; }

.final-inquiry { min-height: 430px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(3rem, 7vw, 6rem); overflow: hidden; background: var(--energy); color: var(--ink); }
.final-inquiry::after { position: absolute; right: -8%; width: 48%; aspect-ratio: 1; border: 1px solid rgba(6,18,15,.2); border-radius: 50%; box-shadow: 0 0 0 60px rgba(6,18,15,.04), 0 0 0 120px rgba(6,18,15,.025); content: ""; }
.final-inquiry p { position: relative; z-index: 1; color: #29412e; }
.final-inquiry > a { position: relative; z-index: 2; border-color: var(--ink); background: var(--ink); color: var(--text); }
.final-inquiry > a:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; box-shadow: 0 0 0 7px var(--energy); }

.page-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(240px, .8fr); align-items: end; gap: 2rem 6rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line); }
.page-intro .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.page-intro h1 { margin-bottom: 0; }
.page-intro > p:last-child { font-size: 1.1rem; }
.category-filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.category-filters button { min-height: 44px; padding: .6rem 1rem; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.category-filters button:hover, .category-filters button[aria-pressed="true"] { border-color: var(--energy); color: var(--text); }

.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem 6rem; }
.product-detail > header, .product-detail > .inquiry-cta { grid-column: 1; }
.product-detail > .product-gallery, .product-detail > .product-placeholder { grid-column: 2; grid-row: 1 / span 2; }
.product-detail > .product-gallery { align-self: start; }
.product-detail section { padding-top: 2rem; border-top: 1px solid var(--line); }
.product-detail section h2 { font-size: clamp(1.7rem, 3vw, 2.7rem); }
.product-gallery { display: grid; grid-template-columns: 1fr 1fr; align-content: start; gap: 1px; }
.product-gallery img:first-child { grid-column: 1 / -1; }
.specifications dl { display: grid; grid-template-columns: 1fr 1fr; }
.specifications dt, .specifications dd { margin: 0; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.specifications dd { color: var(--muted); }

.factory-process ol { margin: 3rem 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.factory-step { display: grid; grid-template-columns: 75px 1fr; min-height: 100px; align-items: center; border-bottom: 1px solid var(--line); font-family: var(--display); font-size: clamp(1.3rem, 2.7vw, 2.4rem); }
.factory-step span { color: var(--energy); font-family: var(--body); font-size: .72rem; }
.factory-capabilities, .target-partners, .cooperation-approach { max-width: 850px; padding: clamp(2rem, 5vw, 4rem); border-left: 1px solid var(--energy); background: var(--ink-2); }
.target-partners { margin-left: auto; }
.cooperation-approach { background: var(--warm); color: var(--ink); }
.cooperation-approach p { color: #405149; }

.contact-layout { display: grid; grid-template-columns: .72fr 1.28fr; align-items: start; gap: 4rem 7rem; }
.contact-methods { position: sticky; top: 120px; padding-top: 2rem; border-top: 1px solid var(--energy); }
.whatsapp-contact-card { display: grid; gap: 1rem; margin-top: 1.5rem; padding: 1.25rem; border: 1px solid var(--line); background: var(--ink-2); }
.contact-person { color: var(--text); font-weight: 700; }
.whatsapp-direct { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1rem; background: var(--energy); color: var(--ink); font-weight: 800; }
.whatsapp-qr-card { display: grid; justify-items: center; gap: .75rem; margin: 0; padding: 1rem; background: #fff; color: var(--ink); }
.whatsapp-qr-card img { width: min(100%, 256px); height: auto; }
.whatsapp-qr-card figcaption { font-size: .8rem; font-weight: 700; text-align: center; }
.inquiry-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); background: var(--ink-2); }
.form-field { display: flex; min-width: 0; flex-direction: column; gap: .55rem; }
.form-field:has(textarea) { grid-column: 1 / -1; }
.form-field label { color: var(--text); font-size: .78rem; font-weight: 700; letter-spacing: .06em; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; padding: .75rem .85rem; border: 1px solid var(--line); border-radius: 0; background: rgba(6,18,15,.65); color: var(--text); }
.form-field textarea { min-height: 150px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--energy); box-shadow: 0 0 0 1px var(--energy); }
.form-field [aria-invalid="true"] { border-color: #ff9c78; }
.form-error, [role="alert"] { color: #ffb69b; font-size: .8rem; }
.inquiry-form button { grid-column: 1 / -1; justify-self: start; border: 0; cursor: pointer; }
.form-note { margin: -7rem 0 0 auto; }

.site-footer { margin: 0; border-top: 1px solid var(--line); background: #040d0b; }
.site-footer-inner { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 3rem; padding-block: 4rem 2rem; }
.site-footer nav { align-content: start; flex-direction: column; align-items: flex-start; }
.site-footer a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); }
.site-footer address { font-style: normal; }
.footer-legal { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .75rem; }

.floating-whatsapp {
  position: fixed;
  z-index: 15;
  right: 1rem;
  bottom: 1rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: .6rem;
  max-width: min(360px, calc(100vw - 2rem));
  padding: .65rem .9rem;
  border: 1px solid var(--energy);
  background: rgba(6,18,15,.94);
  color: var(--text);
  font-size: .72rem;
  text-decoration: none;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.floating-whatsapp.is-disabled {
  position: relative;
  right: auto;
  bottom: auto;
  max-width: none;
  border-color: var(--line);
  border-width: 1px 0 0;
  box-shadow: none;
}
.floating-whatsapp.is-disabled span { color: var(--muted); }
.floating-whatsapp.is-disabled a { color: var(--energy); }

.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .site-header-inner { flex-wrap: wrap; gap: 0 1rem; padding-block: .55rem; }
  .nav-cluster { width: 100%; flex-basis: 100%; justify-content: space-between; border-top: 1px solid var(--line); }
  .site-header[data-menu-enhanced] .menu-toggle { display: inline-grid; place-items: center; }
  .site-header[data-menu-enhanced][data-menu-state="closed"] .nav-cluster { display: none; }
  .site-header[data-menu-enhanced][data-menu-state="open"] .nav-cluster { display: flex; }
  .language-menu { max-width: 170px; }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .hero::before { display: none; }
  .hero-copy { max-width: 740px; }
  .hero-stage { min-height: 510px; }
  .category-grid > div { grid-template-columns: 1fr 1fr; }
  .category-card:first-child { grid-column: 1 / -1; }
  .benefit-card { grid-template-columns: 1fr; }
  .featured-products, .factory-capability, .product-detail, .contact-layout { grid-template-columns: 1fr; }
  .featured-products > h2, .featured-products > p, .featured-products > a, .featured-products > div,
  .factory-capability > ul, .product-detail > header, .product-detail > .inquiry-cta,
  .product-detail > .product-gallery, .product-detail > .product-placeholder { grid-column: 1; grid-row: auto; }
  .process > div { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(2) { border-right: 0; }
  .applications > div, .product-grid { grid-template-columns: 1fr 1fr; }
  .contact-methods { position: static; }
  .form-note { margin-top: -5rem; }
}

@media (max-width: 680px) {
  .site-header-inner, .site-footer-inner, main { width: min(calc(100% - 28px), var(--max)); }
  .site-header-inner { min-height: 64px; }
  .nav-cluster { display: block; padding-top: .35rem; }
  .site-header[data-menu-enhanced][data-menu-state="open"] .nav-cluster { display: block; }
  .site-header nav { justify-content: space-between; gap: 0 .3rem; }
  .site-header nav a { font-size: .66rem; }
  .language-menu { max-width: none; justify-content: flex-start !important; padding: .25rem 0 0; border: 0; }
  .language-menu a { min-height: 32px; }
  main > section, main > article, main > header, main > form, main > div { margin-block: 4.5rem; }
  h1 { font-size: clamp(2.7rem, 14vw, 4.25rem); }
  h2 { font-size: clamp(2rem, 10vw, 3.2rem); }
  .hero { padding-top: 4rem; gap: 3rem; }
  .hero-stage { min-height: 390px; border-radius: 46% 46% var(--radius) var(--radius) / 20% 20% var(--radius) var(--radius); }
  .road-light { height: 160px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions a { width: 100%; }
  .category-grid > div, .benefits > div, .process > div, .applications > div, .product-grid, .site-footer-inner, .page-intro, .inquiry-form { grid-template-columns: 1fr; }
  .featured-products > div { grid-template-columns: 1fr; }
  .category-card, .category-card:first-child { min-height: 260px; grid-column: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .category-card h3 { margin-top: 3rem; }
  .benefits { width: calc(100% + 28px); margin-left: -14px; padding: 3rem 1.4rem; }
  .benefit-card:nth-child(odd), .benefit-card:nth-child(even) { padding-inline: 0; border-right: 0; }
  .quality-verification { width: calc(100% + 28px); margin-left: -14px; }
  .process-step { min-height: 210px; border-right: 0; }
  .application-card { min-height: 280px; }
  .final-inquiry { width: calc(100% + 28px); min-height: 440px; margin-left: -14px; padding: 3rem 1.4rem; }
  .final-inquiry::after { right: -40%; width: 90%; }
  .page-intro { gap: 2rem; }
  .form-field:has(textarea), .inquiry-form button { grid-column: 1; }
  .form-note { margin-top: -2rem; }
  .whatsapp-qr-card { display: none; }
  .site-footer-inner { gap: 1.5rem; }
  .footer-legal { grid-column: 1; }
  .floating-whatsapp { position: relative; right: auto; bottom: auto; max-width: none; margin: 0; border-width: 1px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

@media (forced-colors: active) {
  .site-header, .hero-stage, .benefits, .final-inquiry, .product-stage, .inquiry-form { border: 1px solid CanvasText; background: Canvas; color: CanvasText; }
  .button, .inquiry-form button, .floating-whatsapp { border: 2px solid LinkText; }
  :focus-visible { outline-color: Highlight; }
}