/* ===== EVERSCALE site styles ===== */
:root {
  --primary: #12365a;
  --primary-dark: #0c2740;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f4f6f9;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(16, 42, 67, 0.08);
  --maxw: 1180px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: 1px; color: var(--primary); display: flex; align-items: center; }
.logo-img { height: 38px; width: auto; display: block; }
.footer-brand .logo { color: #fff; }
/* footer logo: white chip so both dark transparent and white-bg logos stay visible on navy */
.footer-logo { background: #fff; padding: 6px 12px; border-radius: 8px; max-width: 220px; object-fit: contain; }
.main-nav { display: flex; gap: 28px; margin-left: auto; }
.main-nav a { font-size: 15px; font-weight: 500; color: var(--text); padding: 6px 2px; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); border-bottom-color: var(--accent); }
.lang-switch {
  border: 1px solid var(--border); background: #fff; border-radius: 999px;
  padding: 6px 14px; font-size: 13px; cursor: pointer; color: var(--primary); font-weight: 600;
}
.lang-switch:hover { border-color: var(--primary); }
.burger { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary); }

/* hero */
.hero { position: relative; min-height: 520px; display: flex; align-items: center; color: #fff; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(12,39,64,.92) 30%, rgba(12,39,64,.45) 70%, rgba(12,39,64,.25)); }
.hero-content { position: relative; padding: 90px 0; max-width: 640px; }
.hero-badge {
  display: inline-block; background: rgba(249,115,22,.18); border: 1px solid rgba(249,115,22,.6);
  color: #fdba74; font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: 44px; line-height: 1.15; font-weight: 800; margin-bottom: 18px; }
.hero p { font-size: 17px; color: #dbe4ee; margin-bottom: 30px; }
.btn { display: inline-block; padding: 13px 30px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: .2s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-outline { border: 1.5px solid rgba(255,255,255,.7); color: #fff; margin-left: 14px; }
.btn-outline:hover { background: rgba(255,255,255,.12); }

/* sections */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .kicker { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: 32px; color: var(--primary); margin: 8px 0 12px; }
.section-head p { color: var(--muted); }

/* category grid */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cat-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: .25s; display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); }
.cat-card .thumb { aspect-ratio: 1 / 1; overflow: hidden; }
.cat-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: .4s; }
.cat-card:hover .thumb img { transform: scale(1.06); }
.cat-card .body { padding: 22px; }
.cat-card h3 { font-size: 19px; color: var(--primary); margin-bottom: 8px; }
.cat-card p { font-size: 14px; color: var(--muted); }

/* product cards */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.prod-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: .25s; }
.prod-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.prod-card .thumb { aspect-ratio: 1 / 1; background: var(--bg-soft); overflow: hidden; }
.prod-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.prod-card .body { padding: 18px; }
.prod-card .model { font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: 1px; }
.prod-card h3 { font-size: 15.5px; color: var(--primary); margin: 6px 0 10px; min-height: 48px; }
.prod-card .price { color: #b91c1c; font-weight: 700; font-size: 15px; }
.prod-card .moq { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.prod-card .link { display: inline-block; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--primary); }
.prod-card .link:hover { color: var(--accent); }

/* filter bar */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-bar button {
  padding: 8px 18px; border-radius: 999px; border: 1px solid var(--border);
  background: #fff; font-size: 14px; cursor: pointer; color: var(--text);
}
.filter-bar button.active, .filter-bar button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* about strip */
.about-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-strip img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-strip h2 { font-size: 30px; color: var(--primary); margin-bottom: 16px; }
.about-strip p { color: var(--muted); margin-bottom: 14px; white-space: pre-line; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; }
.stat { text-align: center; background: #fff; border-radius: var(--radius); padding: 22px 10px; box-shadow: var(--shadow); }
.stat .num { font-size: 28px; font-weight: 800; color: var(--accent); }
.stat .lbl { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* certifications */
.cert-row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
.cert {
  border: 1.5px dashed var(--border); border-radius: 10px; padding: 12px 22px;
  font-weight: 700; color: var(--primary); font-size: 15px; background: #fff;
}
.cert small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }

/* product detail */
.pd-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; padding: 60px 0; }
.pd-gallery { display: flex; flex-direction: column; gap: 14px; }
.pd-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--bg-soft); }
.pd-img img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.pd-thumbs { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.pd-thumbs img {
  width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; cursor: pointer;
  border: 2px solid var(--border); opacity: .7; transition: .2s; background: var(--bg-soft);
}
.pd-thumbs img:hover { opacity: 1; }
.pd-thumbs img.active { border-color: var(--accent); opacity: 1; }

/* about carousel */
.carousel { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: var(--bg-soft); }
.carousel img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .8s ease; }
.carousel img.active { opacity: 1; }
.carousel-dots { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 2; }
.carousel-dots button {
  width: 10px; height: 10px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.55); transition: .2s;
}
.carousel-dots button.active { background: var(--accent); transform: scale(1.25); }
.pd-info .model { color: var(--accent); font-weight: 700; letter-spacing: 1px; }
.pd-info h1 { font-size: 30px; color: var(--primary); margin: 8px 0 16px; }
.pd-info .desc { color: var(--muted); margin-bottom: 22px; }
.pd-price { font-size: 24px; color: #b91c1c; font-weight: 800; }
.pd-moq { color: var(--muted); font-size: 14px; margin: 4px 0 24px; }
.spec-table { width: 100%; border-collapse: collapse; margin-top: 26px; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.spec-table th { width: 34%; color: var(--muted); font-weight: 500; background: var(--bg-soft); }
.spec-table td { color: var(--text); font-weight: 500; }
.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 22px 0 0; }
.breadcrumb a:hover { color: var(--accent); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-card { background: #fff; border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.contact-item { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-item:last-child { border: none; }
.contact-item .icon { font-size: 20px; }
.contact-item .k { font-size: 13px; color: var(--muted); }
.contact-item .v { font-weight: 600; color: var(--primary); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--primary); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 14.5px; font-family: inherit;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: 2px solid rgba(249,115,22,.4); border-color: var(--accent); }
.form-msg { margin-top: 12px; font-size: 14px; color: #15803d; }
.form-msg.ok { color: #15803d; }
.form-msg.err { color: #b91c1c; }
.form-row.invalid label { color: #b91c1c; }
.form-row.invalid input, .form-row.invalid textarea {
  border-color: #b91c1c;
  box-shadow: 0 0 0 3px rgba(185, 28, 28, .08);
}
.btn:disabled { opacity: .65; cursor: not-allowed; transform: none; }

/* CTA banner */
.cta-banner { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: var(--radius); padding: 54px; text-align: center; }
.cta-banner h2 { font-size: 28px; margin-bottom: 10px; }
.cta-banner p { color: #c8d6e5; margin-bottom: 26px; }

/* footer */
.site-footer { background: var(--primary-dark); color: #b9c8d8; padding: 56px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer a { display: block; padding: 4px 0; font-size: 14px; }
.site-footer a:hover { color: var(--accent); }
.footer-brand .logo { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 12px; max-width: 340px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-size: 13px; text-align: center; }

/* page hero (inner pages) */
.page-hero { background: linear-gradient(120deg, var(--primary), var(--primary-dark)); color: #fff; padding: 64px 0; }
.page-hero h1 { font-size: 34px; }
.page-hero p { color: #c8d6e5; margin-top: 8px; }

.empty { text-align: center; color: var(--muted); padding: 60px 0; }

/* ===== media page ===== */
.follow-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.follow-label { font-size: 14px; font-weight: 600; color: #c8d6e5; margin-right: 4px; }
.social-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.social-pill {
  display: inline-block; padding: 7px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  color: #fff; background: var(--brand, var(--primary)); transition: .2s;
}
.social-pill:hover { transform: translateY(-2px); filter: brightness(1.12); }
.footer-social { margin-top: 14px; }
.footer-social .social-pill { padding: 5px 14px; font-size: 12.5px; }

.media-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.media-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: .25s; border: 1px solid var(--border);
}
.media-card:hover { transform: translateY(-5px); }
.media-embed { position: relative; width: 100%; padding-top: 56.25%; background: #000; }
.media-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.media-thumb { position: relative; height: 190px; overflow: hidden; background: var(--bg-soft); }
.media-thumb img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.media-card:hover .media-thumb img { transform: scale(1.05); }
.media-thumb-fallback {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: var(--brand, var(--primary)); color: rgba(255,255,255,.85); font-weight: 800; font-size: 22px; letter-spacing: 1px;
}
.media-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 54px; height: 54px; border-radius: 50%; background: rgba(12,39,64,.75); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 19px; backdrop-filter: blur(2px);
  transition: .2s;
}
.media-card:hover .media-play { background: var(--accent); }
.media-play.is-link { font-size: 22px; }
.media-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.media-badge {
  align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: #fff; background: var(--brand, var(--primary)); border-radius: 4px; padding: 3px 9px;
}
.media-body h3 { font-size: 16.5px; color: var(--primary); line-height: 1.4; }
.media-body p { font-size: 13.5px; color: var(--muted); flex: 1; }
.media-cta { font-size: 13.5px; font-weight: 600; color: var(--accent); }

/* responsive */
@media (max-width: 960px) {
  .cat-grid, .prod-grid, .media-grid { grid-template-columns: repeat(2, 1fr); }
  .about-strip, .pd-wrap, .contact-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 440px; }
}
@media (max-width: 640px) {
  .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; gap: 12px; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .burger { display: block; margin-left: auto; }
  .lang-switch { margin-left: 0; }
  .cat-grid, .prod-grid, .media-grid { grid-template-columns: 1fr; }
  .hero { min-height: 400px; }
  .hero h1 { font-size: 30px; }
  .hero-content { padding: 64px 0; }
  .section { padding: 56px 0; }
  .cta-banner { padding: 36px 22px; }
  .btn { padding: 12px 22px; }
  .filter-bar { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .filter-bar button { white-space: nowrap; }
}