/* AETHON Trading & Contracting — site styles
   Palette from the logo (navy blue) and profile (red), with a cool "chilled air" tint. */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url(../fonts/archivo-var.woff2) format("woff2-variations"), url(../fonts/archivo-var.woff2) format("woff2");
}
:root {
  --navy: #0B2F52;
  --navy-2: #0F3A64;
  --blue: #0E4D85;
  --blue-2: #1663A8;
  --tint: #EAF2F9;
  --tint-2: #F5F9FC;
  --ink: #13263A;
  --steel: #53667A;
  --line: #D6E2ED;
  --red: #D2232A;
  --red-2: #B21C22;
  --white: #fff;
  --radius: 6px;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --sec: clamp(64px, 9vw, 116px);
  --head-h: 76px;
  --font: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0; font-family: var(--font); font-size: 1.0625rem; line-height: 1.65; color: var(--ink);
  background: var(--white); font-variation-settings: "wdth" 100; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue-2); }
:focus-visible { outline: 3px solid #5BA4E6; outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .5em; font-variation-settings: "wdth" 116; font-weight: 700; letter-spacing: -.01em; color: var(--navy); }
p { margin: 0 0 1em; }
ul, ol { padding: 0; margin: 0; }
[role="list"] { list-style: none; }
address { font-style: normal; }
.ic { width: 1.25em; height: 1.25em; flex: none; }
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

.h2 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); }
.h3 { font-size: 1.25rem; font-variation-settings: "wdth" 108; }
.lead { font-size: 1.125rem; color: var(--steel); max-width: 62ch; }
.kicker { color: var(--red); font-weight: 600; margin-bottom: .6rem; }
.prose { max-width: 70ch; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { font-size: 1.6rem; margin-top: 1.4em; }
.prose h3 { font-size: 1.25rem; margin-top: 1.2em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose-page { margin: 0 auto; }
.empty { color: var(--steel); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5em; padding: .82em 1.35em; border-radius: var(--radius);
  font: 600 1rem/1.2 var(--font); text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy); color: #fff; }
.btn-accent { background: var(--red); color: #fff; }
.btn-accent:hover { background: var(--red-2); color: #fff; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-outline { border-color: var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: .45em; font-weight: 600; text-decoration: none; }
.link-arrow .ic { transition: transform .2s; }
a:hover > .link-arrow .ic, .link-arrow:hover .ic { transform: translateX(4px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; transition: box-shadow .25s; }
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line), 0 6px 24px rgba(11,47,82,.08); }
.topbar { background: var(--navy); color: #C9D8E8; font-size: .875rem; }
.topbar-in { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 38px; }
.topbar-tag { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-links { display: flex; gap: 22px; flex: none; }
.topbar a { color: #fff; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.topbar a:hover { color: #fff; text-decoration: underline; }
.nav-in { display: flex; align-items: center; justify-content: space-between; min-height: var(--head-h); gap: 24px; }
.brand img { height: 54px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav ul { display: flex; gap: 4px; list-style: none; }
.site-nav ul a { display: block; padding: 10px 12px; color: var(--ink); text-decoration: none; font-weight: 500; position: relative; }
.site-nav ul a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .25s; }
.site-nav ul a:hover { color: var(--blue); }
.site-nav ul a:hover::after, .site-nav ul a[aria-current]::after { transform: scaleX(1); }
.site-nav ul a[aria-current] { color: var(--blue); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); width: 44px; height: 44px; color: var(--navy); cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle .ic { width: 24px; height: 24px; }

/* Hero */
.hero { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.hero-slides { position: relative; min-height: clamp(560px, 82vh, 760px); display: grid; grid-template-columns: minmax(0, 1fr); }
.hero-slide { grid-area: 1 / 1; position: relative; display: flex; align-items: center; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility 0s .9s; }
.hero-slide.is-active { opacity: 1; visibility: visible; transition: opacity .9s ease; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 7s ease-out; }
.hero-slide.is-active .hero-img { transform: scale(1); }
.hero-slide::before { content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(100deg, rgba(8,33,59,.94) 0%, rgba(8,33,59,.82) 38%, rgba(8,33,59,.35) 75%, rgba(8,33,59,.2) 100%); }
.hero-copy { position: relative; z-index: 2; padding-top: 48px; padding-bottom: 150px; }
.hero-title { color: #fff; font-size: clamp(2.3rem, 5.4vw, 4.4rem); font-variation-settings: "wdth" 122; font-weight: 750; max-width: 15ch; line-height: 1.04; letter-spacing: -.02em; }
.hero-sub { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #D3E1EF; max-width: 50ch; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-slide .hero-title, .hero-slide .hero-sub, .hero-slide .hero-actions { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.hero-slide.is-active .hero-title { opacity: 1; transform: none; transition-delay: .15s; }
.hero-slide.is-active .hero-sub { opacity: 1; transform: none; transition-delay: .3s; }
.hero-slide.is-active .hero-actions { opacity: 1; transform: none; transition-delay: .45s; }
.hero-dots { position: absolute; z-index: 3; left: 0; right: 0; bottom: 92px; display: flex; gap: 10px; }
.hero-dots button { width: 34px; height: 4px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; border-radius: 2px; position: relative; overflow: hidden; }
.hero-dots button::after { content: ""; position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; }
.hero-dots button[aria-selected="true"]::after { transform: scaleX(1); transition: transform 7s linear; }
.hero.is-paused .hero-dots button[aria-selected="true"]::after { transition: none; }

/* Airflow lines — the signature motif, drawn once on load */
.airflow { position: absolute; left: 0; bottom: 0; width: 100%; height: 72%; z-index: 2; pointer-events: none; }
.airflow path { fill: none; stroke: rgba(176,210,240,.42); stroke-width: 1.4; vector-effect: non-scaling-stroke; stroke-dasharray: 1700; stroke-dashoffset: 1700; animation: draw 2.6s cubic-bezier(.45,.05,.25,1) forwards; }
.airflow path:nth-child(2) { animation-delay: .18s; }
.airflow path:nth-child(3) { animation-delay: .36s; stroke: rgba(226,62,68,.85); stroke-width: 1.8; }
.airflow path:nth-child(4) { animation-delay: .54s; stroke: rgba(176,210,240,.25); }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* Stats */
.stats-band { position: relative; z-index: 4; margin-top: -64px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radius); box-shadow: 0 18px 50px rgba(11,47,82,.14); margin: 0; overflow: hidden; }
.stats > div { display: flex; flex-direction: column-reverse; padding: 26px 28px; border-left: 1px solid var(--line); }
.stats > div:first-child { border-left: 0; }
.stats dd { margin: 0; font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 750; font-variation-settings: "wdth" 120; color: var(--blue); line-height: 1; letter-spacing: -.02em; }
.stats dt { color: var(--steel); margin-top: 8px; font-size: .95rem; }
.stats-inline { margin-top: 0; padding-bottom: var(--sec); }
.stats-inline .stats { box-shadow: none; border: 1px solid var(--line); }

/* Sections */
.section { padding: var(--sec) 0; }
.tint { background: var(--tint-2); }
.dark { background: var(--navy); color: #C9D8E8; }
.dark h2, .dark h3, .dark strong { color: #fff; }
.dark .lead { color: #B7CADD; }
.dark .link-arrow { color: #fff; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: clamp(32px, 5vw, 52px); flex-wrap: wrap; }
.sec-head .h2 { margin-bottom: .3em; }
.sec-head .lead { margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.split-top { align-items: start; }
.intro-media { margin: 0; position: relative; }
.intro-media img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; border-radius: 4px; }
.intro-media::after { content: ""; position: absolute; left: -14px; bottom: -14px; width: 42%; height: 42%; border-left: 3px solid var(--red); border-bottom: 3px solid var(--red); z-index: -1; }
.intro { padding-top: calc(var(--sec) + 8px); }
.intro-copy .btn { margin-top: 1.6rem; }
.sticky-media { position: sticky; top: calc(var(--head-h) + 24px); }

/* Solutions on home */
.sol-layout { display: grid; grid-template-columns: 4fr 7fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.sol-head { position: sticky; top: calc(var(--head-h) + 32px); }
.sol-head .lead { margin-bottom: 1.4rem; }
.sol-list { list-style: none; border-top: 1px solid var(--line); }
.sol-row { border-bottom: 1px solid var(--line); }
.sol-row a { display: grid; grid-template-columns: 168px 1fr 40px; gap: 24px; align-items: center; padding: 22px 12px 22px 0; text-decoration: none; color: var(--ink); transition: background-color .25s, padding .25s; }
.sol-row img { width: 168px; height: 126px; object-fit: cover; border-radius: 4px; }
.sol-title { display: flex; gap: 10px; align-items: center; font-size: 1.25rem; font-weight: 700; color: var(--navy); font-variation-settings: "wdth" 108; }
.sol-title .ic { color: var(--red); }
.sol-text { display: block; color: var(--steel); margin: 6px 0 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span { font-size: .8rem; padding: 3px 9px; border: 1px solid var(--line); border-radius: 20px; color: var(--steel); background: #fff; }
.sol-go { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--blue); transition: background-color .2s, color .2s, transform .2s; }
.sol-row a:hover { background: #fff; padding-left: 12px; }
.sol-row a:hover .sol-go { background: var(--blue); color: #fff; border-color: var(--blue); }

/* Products on home */
.prod-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); overflow: hidden; }
.prod-grid a { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 26px 24px 28px; background: var(--navy); color: #B7CADD; text-decoration: none; transition: background-color .25s; }
.prod-grid a .ic { width: 30px; height: 30px; color: #7FB7EA; margin-bottom: 8px; }
.prod-grid strong { font-size: 1.08rem; line-height: 1.3; font-variation-settings: "wdth" 108; }
.prod-grid span { font-size: .93rem; line-height: 1.5; }
.prod-grid a:hover { background: var(--navy-2); }
.prod-grid a:hover .ic { color: #fff; }
.brand-strip { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.brand-chip { background: #fff; border-radius: 4px; padding: 10px 16px; display: inline-flex; align-items: center; justify-content: center; height: 66px; min-width: 132px; }
.brand-chip img { max-height: 44px; width: auto; max-width: 130px; object-fit: contain; }

/* Why */
.why-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 48px; }
.why-grid li { border-top: 2px solid var(--navy); padding-top: 22px; }
.why-grid .ic { width: 34px; height: 34px; color: var(--blue); margin-bottom: 14px; }
.why-grid h3 { font-size: 1.18rem; margin-bottom: .4em; }
.why-grid p { color: var(--steel); margin: 0; }
.narrow .lead { max-width: 58ch; }

/* Logo wall */
.logo-wall { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logo-wall li { background: #fff; display: grid; place-items: center; padding: 22px 18px; min-height: 120px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-wall li a { display: grid; place-items: center; width: 100%; height: 100%; }
.logo-wall img { max-height: 60px; max-width: 140px; width: auto; object-fit: contain; transition: transform .25s; }
.logo-wall li:hover img { transform: scale(1.05); }
.logo-wall-lg { grid-template-columns: repeat(2, 1fr); max-width: 760px; }
.logo-wall-lg li { min-height: 160px; }
.logo-wall-lg img { max-height: 90px; max-width: 220px; }

/* CTA */
.cta { position: relative; background: var(--navy); color: #C9D8E8; overflow: hidden; padding: clamp(56px, 8vw, 96px) 0; }
.cta .airflow { height: 45%; opacity: .7; }
.cta-in { position: relative; z-index: 3; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta h2 { color: #fff; max-width: 24ch; margin-bottom: .35em; }
.cta p { margin: 0; max-width: 56ch; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .airflow path { animation: none; stroke-dashoffset: 1700; }
.cta.is-in .airflow path { animation: draw 2.6s cubic-bezier(.45,.05,.25,1) forwards; }

/* Inner banner */
.banner { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.banner-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.banner::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(100deg, rgba(8,33,59,.95) 0%, rgba(8,33,59,.8) 50%, rgba(8,33,59,.45) 100%); }
.banner-in { position: relative; z-index: 2; padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(56px, 8vw, 96px); }
.banner h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.4rem); font-variation-settings: "wdth" 120; max-width: 22ch; margin-bottom: .3em; }
.banner p { color: #D3E1EF; font-size: 1.12rem; max-width: 60ch; margin: 0; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; font-size: .9rem; margin-bottom: 18px; color: #A9C1D9; }
.crumbs li + li::before { content: "/"; margin-right: 6px; opacity: .6; }
.crumbs a { color: #D3E1EF; text-decoration: none; }
.crumbs a:hover { color: #fff; text-decoration: underline; }

/* About */
.vmv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--navy); }
.vmv-item { padding: 32px 32px 8px 0; }
.vmv-item + .vmv-item { padding-left: 32px; border-left: 1px solid var(--line); }
.vmv-quote { font-size: 1.15rem; font-weight: 600; color: var(--blue); line-height: 1.4; font-variation-settings: "wdth" 104; }
.vmv-item .prose { color: var(--steel); }
.chair-in { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(32px, 6vw, 80px); }
.chairman blockquote { margin: 0; font-size: 1.12rem; border-left: 3px solid var(--red); padding-left: clamp(20px, 3vw, 36px); }
.chairman blockquote footer { margin-top: 1.4rem; font-weight: 600; color: var(--navy); font-size: 1rem; }

/* Services listing */
.svc-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.svc a { display: flex; flex-direction: column; height: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink); transition: border-color .25s, box-shadow .25s; }
.svc-img { display: block; overflow: hidden; }
.svc-img img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .5s; }
.svc-body { display: flex; flex-direction: column; padding: 24px; flex: 1; }
.svc-body .h3 { display: flex; gap: 10px; align-items: flex-start; }
.svc-body .h3 .ic { color: var(--red); margin-top: 1px; }
.svc-body p { color: var(--steel); flex: 1; }
.svc a:hover { border-color: #A9C4DD; box-shadow: 0 12px 32px rgba(11,47,82,.1); }
.svc a:hover img { transform: scale(1.04); }
.dealer-logos { display: flex; gap: 12px; flex-wrap: wrap; margin: 1.4rem 0 .2rem; }
.dealer-logos .brand-chip { border: 1px solid var(--line); }

/* Service detail */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(32px, 5vw, 64px); align-items: start; }
.list-title { margin-top: 2rem; }
.ticks { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0 28px; border-top: 1px solid var(--line); }
.ticks li { display: flex; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.ticks .ic { color: var(--blue); margin-top: 3px; }
.detail-fig { margin: 2.4rem 0 0; }
.detail-fig img { width: auto; max-width: 100%; border-radius: 4px; max-height: 520px; object-fit: cover; }
.detail-side { position: sticky; top: calc(var(--head-h) + 24px); display: grid; gap: 20px; }
.side-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.quote-card { background: var(--navy); border-color: var(--navy); color: #C9D8E8; }
.quote-card h2 { color: #fff; }
.side-phone { display: flex; align-items: center; gap: 8px; margin-top: 16px; color: #fff; text-decoration: none; font-weight: 600; }
.side-phone:hover { color: #fff; text-decoration: underline; }
.side-links { list-style: none; }
.side-links a { display: flex; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.side-links li:last-child a { border-bottom: 0; }
.side-links .ic { color: var(--blue); }
.side-links a:hover { color: var(--blue); }

/* Gallery */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filters button { font: 500 .95rem var(--font); padding: 8px 16px; border-radius: 20px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.filters button.is-on { background: var(--navy); color: #fff; border-color: var(--navy); }
.gallery { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.gallery li.is-hidden { display: none; }
.gallery a { display: block; position: relative; overflow: hidden; border-radius: 4px; color: #fff; text-decoration: none; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .5s; }
.gallery span { position: absolute; left: 0; right: 0; bottom: 0; padding: 36px 16px 14px; background: linear-gradient(transparent, rgba(8,33,59,.88)); font-weight: 600; font-size: .95rem; line-height: 1.35; }
.gallery small { display: block; font-weight: 400; color: #B7CADD; }
.gallery a:hover img { transform: scale(1.05); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1100px, 94vw); color: #fff; }
.lightbox::backdrop { background: rgba(6,22,40,.9); }
.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 4px; }
.lightbox p { text-align: center; margin: 12px 0 0; }
.lb-close { position: fixed; top: 14px; right: 14px; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(255,255,255,.14); color: #fff; cursor: pointer; display: grid; place-items: center; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.c-company { font-weight: 700; color: var(--navy); margin-top: 1.6rem; }
.c-list { list-style: none; border-top: 1px solid var(--line); }
.c-list li { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.c-list .ic { width: 22px; height: 22px; color: var(--red); margin-top: 2px; }
.c-list strong { display: block; color: var(--navy); font-size: .9rem; }
.c-list span, .c-list a { display: block; }
.contact-form { background: var(--tint-2); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(22px, 4vw, 40px); }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.field { display: block; margin-bottom: 18px; }
.field > span { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; color: var(--navy); }
.field em { color: var(--red); font-style: normal; }
.field input, .field textarea { width: 100%; font: 400 1rem var(--font); padding: 12px 14px; border: 1px solid #BFD0E0; border-radius: var(--radius); background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(14,77,133,.15); }
.field [aria-invalid="true"] { border-color: var(--red); }
.field-err { color: var(--red-2); font-size: .88rem; margin: 6px 0 0; }
.hp { position: absolute; left: -9999px; }
.notice { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--radius); margin-bottom: 22px; }
.notice span { display: block; }
.notice.ok { background: #E7F5EC; color: #165A33; border: 1px solid #B9E0C7; }
.notice.bad { background: #FDECEC; color: #8B1A1F; border: 1px solid #F3C2C4; }
.map iframe { display: block; width: 100%; height: 420px; border: 0; filter: saturate(.85); }

/* 404 */
.notfound { text-align: left; min-height: 50vh; }
.nf-links { display: flex; gap: 12px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: #082440; color: #A9BDD1; font-size: .96rem; }
.footer-grid { display: grid; grid-template-columns: 4fr 2fr 3fr 3fr; gap: 40px; padding-top: 72px; padding-bottom: 48px; }
.f-logo { background: #fff; padding: 10px 14px; border-radius: 4px; height: 72px; width: auto; margin-bottom: 20px; }
.f-about p { max-width: 40ch; }
.site-footer h2 { color: #fff; font-size: 1rem; font-variation-settings: "wdth" 110; margin-bottom: 16px; }
.f-col ul { list-style: none; }
.f-col li { margin-bottom: 8px; }
.site-footer a { color: #D3E1EF; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.f-contact p { display: flex; gap: 10px; }
.f-contact .ic { color: #7FB7EA; margin-top: 3px; }
.socials { list-style: none; display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); display: grid; place-items: center; }
.socials a:hover { background: var(--blue); border-color: var(--blue); }
.f-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; padding-bottom: 24px; font-size: .88rem; }
.f-bottom p { margin: 0; }
.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 40; width: 54px; height: 54px; border-radius: 50%; background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0,0,0,.2); }
.wa-float .ic { width: 28px; height: 28px; }
.wa-float:hover { color: #fff; transform: scale(1.06); }

/* Scroll reveal (only when JS runs) */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .site-nav { gap: 16px; }
  .site-nav ul a { padding: 10px 8px; }
  .site-nav ul a::after { left: 8px; right: 8px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
  :root { --head-h: 66px; }
  .brand img { height: 44px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 18px 30px rgba(11,47,82,.12); padding: 8px var(--gutter) 20px; max-height: calc(100vh - 100px); overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility 0s .2s; }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: none; transition: opacity .2s, transform .2s; }
  .site-nav ul { flex-direction: column; }
  .site-nav ul a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .site-nav ul a::after { display: none; }
  .nav-cta { margin-top: 16px; justify-content: center; }
  .split, .sol-layout, .contact-grid, .chair-in, .detail { grid-template-columns: 1fr; }
  .sol-head, .sticky-media, .detail-side { position: static; }
  .intro-media::after { left: -8px; bottom: -8px; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .vmv-grid { grid-template-columns: 1fr; }
  .vmv-item, .vmv-item + .vmv-item { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > div:nth-child(3) { border-left: 0; }
  .stats > div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .topbar-tag { display: none; }
  .topbar-in { justify-content: center; }
  .topbar-links { gap: 16px; font-size: .82rem; }
  .hero-slides { min-height: 600px; }
  .hero-slide { align-items: flex-end; }
  .hero-slide::before { background: linear-gradient(180deg, rgba(8,33,59,.55) 0%, rgba(8,33,59,.9) 55%, rgba(8,33,59,.96) 100%); }
  .hero-copy { padding-bottom: 140px; }
  .hero-title { font-size: clamp(2rem, 9.4vw, 2.6rem); font-variation-settings: "wdth" 106; }
  .hero-dots { bottom: 96px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .stats-band { margin-top: -56px; }
  .stats > div { padding: 18px 16px; }
  .sol-row a { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; }
  .sol-row a:hover { padding-left: 0; background: none; }
  .sol-row img { width: 100%; height: auto; aspect-ratio: 16 / 9; }
  .sol-go { display: none; }
  .prod-grid a { padding: 20px 16px; }
  .prod-grid strong { font-size: 1rem; }
  .prod-grid span { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .logo-wall li { min-height: 92px; padding: 16px 12px; }
  .logo-wall img { max-height: 48px; max-width: 120px; }
  .brand-chip { height: 54px; padding: 8px 12px; }
  .brand-chip img { max-height: 34px; max-width: 110px; }
  .f-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; padding-top: 52px; gap: 32px; }
  .svc-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 8px; }
  .gallery span { padding: 28px 10px 8px; font-size: .82rem; }
  .gallery small { display: none; }
  .ticks { grid-template-columns: 1fr; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; justify-content: center; }
  .map iframe { height: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .airflow path { stroke-dashoffset: 0; }
  .js .reveal { opacity: 1; transform: none; }
}
@media print {
  .site-header, .site-footer, .cta, .hero-dots, .airflow, .map, .wa-float { display: none !important; }
}