/* ===========================================================
   AUREVO — Design tokens
   =========================================================== */
:root {
  --ink: #11161c;
  --ink-2: #2b3644;
  --muted: #5f6b7a;
  --line: #e2e6eb;
  --line-strong: #c9d0d8;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-deep: #0e1419;
  --brand: #1f4f8f;
  --brand-2: #173d70;
  --brand-soft: #eaf0f9;
  --accent: #c8842a;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(17, 22, 28, .06);
  --shadow: 0 6px 24px -12px rgba(17, 22, 28, .22);
  --shadow-lg: 0 24px 60px -28px rgba(17, 22, 28, .35);

  --font: "Inter", "Helvetica Neue", Helvetica, Arial, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --nav-h: 68px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.18;
}
p { margin: 0; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Eyebrow / section head ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); }
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
  max-width: 620px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s, transform .18s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--brand); color: #fff; }
.btn--primary:hover { background: var(--brand-2); }
.btn--ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); background: #fff; }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #eef1f5; }
.btn--outline-light { border-color: rgba(255,255,255,.35); color: #fff; }
.btn--outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn--block { width: 100%; }

.arrow { transition: transform .18s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ===========================================================
   HEADER
   =========================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s;
}
.header.is-stuck { box-shadow: var(--shadow-sm); }
.header__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo__mark {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: var(--brand);
  color: #fff;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.04em;
}
.logo__text {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .1em;
}
.logo__sub {
  display: block;
  font-size: 9px;
  letter-spacing: .22em;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  line-height: 1;
  margin-top: 3px;
}

.nav { display: flex; gap: 4px; margin-left: 8px; }
.nav a {
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--radius);
  transition: background .16s, color .16s;
}
.nav a:hover { background: var(--bg-soft); color: var(--ink); }
.nav a.is-active { color: var(--brand); }

.header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang {
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.lang button {
  border: 0;
  background: transparent;
  padding: 6px 11px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background .16s, color .16s;
}
.lang button[aria-pressed="true"] { background: var(--ink); color: #fff; }

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: var(--radius);
  width: 40px; height: 38px;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.nav-toggle span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 16px; height: 1.5px; background: var(--ink);
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  background: #fff;
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.mobile-nav .mobile-nav__cta { padding: 16px 24px; border-bottom: 0; }
.mobile-nav .btn { width: 100%; }

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  position: relative;
  background: var(--bg-deep);
  color: #fff;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 70% 20%, #000 30%, transparent 78%);
}
.hero__glow {
  position: absolute;
  width: 720px; height: 720px;
  right: -180px; top: -260px;
  background: radial-gradient(circle, rgba(31,79,143,.55), transparent 62%);
  filter: blur(10px);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
  padding: 96px 0 88px;
}
.hero__badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 26px;
}
.hero__badge {
  font-size: 12px;
  letter-spacing: .04em;
  padding: 5px 11px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 100px;
  color: rgba(255,255,255,.78);
}
.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -.03em;
  font-weight: 600;
}
.hero h1 em {
  font-style: normal;
  color: #7fa8dd;
}
.hero__lede {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
  max-width: 520px;
}
.hero__ctas { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero__note {
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
  display: flex; align-items: center; gap: 8px;
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; flex-shrink: 0; }

/* Hero visual: stacked spec card */
.hero__visual { position: relative; }
.spec-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: 26px;
  backdrop-filter: blur(6px);
}
.spec-card__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 18px;
}
.spec-card__title {
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.55); font-weight: 600;
}
.spec-card__part { font-family: var(--mono); font-size: 13px; color: #7fa8dd; }
.spec-row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(255,255,255,.08);
  font-size: 14px;
}
.spec-row:last-child { border-bottom: 0; }
.spec-row dt { color: rgba(255,255,255,.5); }
.spec-row dd { margin: 0; font-weight: 500; text-align: right; }
.hero__float {
  position: absolute;
  right: -14px; bottom: -26px;
  background: #fff;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
}
.hero__float strong { font-size: 22px; letter-spacing: -.02em; display: block; line-height: 1.1; }
.hero__float span { font-size: 12px; color: var(--muted); }

/* ---------- Stats strip ---------- */
.stats {
  border-top: 1px solid rgba(255,255,255,.1);
  position: relative;
  background: rgba(255,255,255,.02);
}
.stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 30px 8px 32px;
  border-left: 1px solid rgba(255,255,255,.1);
  padding-left: 26px;
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1;
}
.stat__num small { font-size: .6em; margin-left: 2px; color: #7fa8dd; }
.stat__label {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.55);
}

/* ===========================================================
   TRUST BAR (logos)
   =========================================================== */
.trust {
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 26px 0;
}
.trust__inner {
  display: flex; align-items: center; gap: 40px; flex-wrap: wrap;
  justify-content: space-between;
}
.trust__label {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; flex-shrink: 0;
}
.trust__items { display: flex; gap: 36px; flex-wrap: wrap; align-items: center; }
.trust__item {
  font-size: 15px; font-weight: 600; color: #9aa5b1; letter-spacing: .02em;
  transition: color .2s;
}
.trust__item:hover { color: var(--ink-2); }

/* ===========================================================
   CATEGORY CARDS
   =========================================================== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px 26px;
  background: #fff;
  display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.cat-card::after {
  content: "";
  position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--brand);
  transition: width .3s;
}
.cat-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.cat-card:hover::after { width: 100%; }
.cat-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--brand-soft);
  display: grid; place-items: center;
  margin-bottom: 20px;
  color: var(--brand);
}
.cat-card h3 { font-size: 18px; margin-bottom: 10px; }
.cat-card p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.cat-card__link {
  margin-top: auto; padding-top: 22px;
  font-size: 14px; font-weight: 600; color: var(--brand);
  display: inline-flex; align-items: center; gap: 6px;
}

/* ===========================================================
   PRODUCTS
   =========================================================== */
.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.chip {
  border: 1px solid var(--line-strong);
  background: #fff;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .16s;
}
.chip:hover { border-color: var(--ink-2); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  display: flex; flex-direction: column;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.product-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.product-card__media {
  aspect-ratio: 4 / 3;
  background: #fff;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  display: grid;
  place-items: center;
}
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .35s;
}
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__badge {
  position: absolute; right: 14px; top: 14px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--brand);
  color: #fff;
  padding: 4px 10px;
  border-radius: 100px;
  z-index: 2;
}
.product-card__media svg { width: 100%; height: 100%; }
.product-card__sku {
  position: absolute; left: 14px; top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(255,255,255,.9);
  padding: 3px 8px;
  border-radius: 3px;
  color: var(--muted);
  letter-spacing: .02em;
}
.product-card__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.product-card h3 { font-size: 17px; margin-bottom: 8px; }
.product-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.pmeta {
  display: flex; gap: 18px; flex-wrap: wrap;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--muted);
}
.pmeta b { color: var(--ink-2); font-weight: 600; }
.product-card__cta {
  margin-top: 18px;
  font-size: 14px; font-weight: 600; color: var(--brand);
  display: inline-flex; align-items: center; gap: 6px;
}

/* ===========================================================
   CTA BANNER
   =========================================================== */
.cta-band {
  background: var(--bg-deep);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 56px;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; right: -80px; top: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(31,79,143,.6), transparent 65%);
}
.cta-band h2 { font-size: clamp(24px, 2.8vw, 34px); position: relative; }
.cta-band p { color: rgba(255,255,255,.68); margin-top: 14px; font-size: 16px; position: relative; max-width: 560px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; }

/* ===========================================================
   CAPABILITIES
   =========================================================== */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cap {
  background: #fff;
  padding: 34px 34px 36px;
}
.cap__head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.cap__icon {
  width: 38px; height: 38px; border-radius: var(--radius);
  background: var(--bg-soft);
  display: grid; place-items: center; color: var(--brand);
}
.cap h3 { font-size: 17px; }
.cap ul { margin: 0; padding: 0; list-style: none; }
.cap li {
  font-size: 14.5px; color: var(--muted);
  padding: 9px 0 9px 20px;
  position: relative;
  border-bottom: 1px solid var(--line);
}
.cap li:last-child { border-bottom: 0; }
.cap li::before {
  content: ""; position: absolute; left: 0; top: 17px;
  width: 8px; height: 1px; background: var(--brand);
}

/* ===========================================================
   PROCESS
   =========================================================== */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
}
.process__item {
  padding: 0 28px 0 0;
  border-left: 1px solid var(--line);
  padding-left: 28px;
  position: relative;
}
.process__item:first-child { border-left: 0; padding-left: 0; }
.process__item::before {
  content: "";
  position: absolute; left: -4px; top: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--bg-soft);
}
.process__item:first-child::before { left: 0; }
.process__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--brand);
  letter-spacing: .1em;
  display: block;
  margin-bottom: 14px;
}
.process__item h3 { font-size: 17px; margin-bottom: 10px; }
.process__item p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }

/* ===========================================================
   CERTS
   =========================================================== */
.certs {
  display: flex; flex-wrap: wrap; gap: 12px;
}
.cert {
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: #fff;
  display: flex; align-items: center; gap: 8px;
}
.cert::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e;
}

/* ===========================================================
   CASES
   =========================================================== */
.case-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.case {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px;
  background: #fff;
  display: flex; flex-direction: column;
  min-height: 240px;
}
.case__tag {
  font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.case h3 { font-size: 18px; margin-bottom: 12px; }
.case p { font-size: 14.5px; color: var(--muted); line-height: 1.65; }

/* ===========================================================
   FAQ
   =========================================================== */
.faq { max-width: 820px; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  cursor: pointer;
  padding: 20px 40px 20px 0;
  font-size: 16.5px;
  font-weight: 600;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  position: absolute; right: 4px; top: 50%;
  width: 11px; height: 11px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq p {
  padding: 0 40px 22px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ===========================================================
   FORM
   =========================================================== */
.inquiry {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.inquiry__aside h2 { font-size: clamp(28px, 3.2vw, 38px); }
.inquiry__aside p { margin-top: 18px; color: var(--muted); font-size: 16px; }
.inquiry__points { margin: 32px 0 0; padding: 0; list-style: none; }
.inquiry__points li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 0;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
}
.inquiry__points svg { flex-shrink: 0; margin-top: 3px; color: var(--brand); }
.contact-block { margin-top: 30px; font-size: 14.5px; color: var(--muted); line-height: 2; }
.contact-block a { color: var(--ink); font-weight: 500; }
.contact-block a:hover { color: var(--brand); }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.field .req { color: #dc2626; }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 15px;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  transition: border-color .16s, box-shadow .16s;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(31,79,143,.12);
}
.field textarea { resize: vertical; min-height: 96px; }
.field input[type="file"] {
  padding: 9px 12px;
  font-size: 14px;
  background: var(--bg-soft);
  cursor: pointer;
}
.field__hint { font-size: 12.5px; color: var(--muted); }
.field__error { font-size: 12.5px; color: #dc2626; display: none; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #dc2626; }
.field.has-error .field__error { display: block; }

.consent {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; color: var(--muted); line-height: 1.55;
  margin-top: 4px;
}
.consent input { margin-top: 3px; flex-shrink: 0; }

.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; text-align: center; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 12px;
}
.form-success.is-visible { display: block; }
.form-success__icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: #dcfce7; color: #16a34a;
  display: grid; place-items: center;
  margin: 0 auto 20px;
}
.form-success h3 { font-size: 22px; margin-bottom: 12px; }
.form-success p { color: var(--muted); max-width: 380px; margin: 0 auto; }

/* ===========================================================
   FOOTER
   =========================================================== */
.footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,.62);
  padding: 72px 0 32px;
  font-size: 14px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer .logo__text { color: #fff; }
.footer .logo__sub { color: rgba(255,255,255,.45); }
.footer__about { margin-top: 20px; line-height: 1.75; max-width: 320px; }
.footer h4 {
  color: #fff; font-size: 13px; letter-spacing: .1em;
  text-transform: uppercase; font-weight: 600;
  margin-bottom: 18px;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 11px; }
.footer a { transition: color .16s; }
.footer a:hover { color: #fff; }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 20px;
  padding-top: 26px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,.4);
}

/* ===========================================================
   PRODUCT DETAIL PAGE
   =========================================================== */
.page-head {
  padding: 64px 0 56px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-size: 13px; color: var(--muted);
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  margin-bottom: 22px;
}
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb span.sep { color: var(--line-strong); }
.page-head h1 { font-size: clamp(28px, 3.6vw, 42px); max-width: 760px; }
.page-head .lede { margin-top: 18px; font-size: 17px; color: var(--muted); max-width: 640px; }

.pd {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  padding: 64px 0 88px;
  align-items: start;
}
.pd__media {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
}
.pd__media img { width: 100%; height: 100%; object-fit: contain; }
.pd > * { min-width: 0; }
.pd__variants { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pd__variants table { min-width: 640px; }
.pd__tags { max-width: 100%; }
.pd__thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd__thumb {
  width: 84px; aspect-ratio: 4/3;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  cursor: pointer;
  padding: 0; overflow: hidden;
}
.pd__thumb svg { width: 100%; height: 100%; }
.pd__thumb.is-active { border-color: var(--brand); }
.pd__specs { margin: 0 0 28px; }
.pd__specs div {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.pd__specs dt { color: var(--muted); }
.pd__specs dd { margin: 0; font-weight: 600; text-align: right; }
.pd__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.pd__tag {
  font-size: 12.5px;
  background: var(--brand-soft);
  color: var(--brand);
  padding: 4px 11px;
  border-radius: 100px;
  font-weight: 500;
}
.pd__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.pd__meta { font-size: 13px; color: var(--muted); margin-top: 16px; }

/* ===========================================================
   BLOG
   =========================================================== */
.post-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.post-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 32px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: background .16s;
}
.post-row:hover { background: var(--bg-soft); }
.post-row time { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.post-row h3 { font-size: 19px; margin-bottom: 8px; }
.post-row p { font-size: 14.5px; color: var(--muted); max-width: 640px; }
.post-row .arrow { color: var(--brand); }

.article { max-width: 720px; margin: 0 auto; padding: 64px 0 96px; }
.article h1 { font-size: clamp(28px, 3.6vw, 40px); }
.article__meta {
  margin-top: 18px; padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px; color: var(--muted);
  display: flex; gap: 16px; flex-wrap: wrap;
}
.article__body { padding-top: 32px; font-size: 16.5px; line-height: 1.8; color: var(--ink-2); }
.article__body h2 { font-size: 23px; margin: 40px 0 14px; color: var(--ink); }
.article__body h3 { font-size: 18px; margin: 30px 0 10px; color: var(--ink); }
.article__body p { margin-bottom: 18px; }
.article__body ul, .article__body ol { margin: 0 0 18px; padding-left: 22px; }
.article__body li { margin-bottom: 8px; }
.article__body blockquote {
  margin: 26px 0; padding: 18px 24px;
  border-left: 2px solid var(--brand);
  background: var(--bg-soft);
  color: var(--ink-2);
  font-size: 16px;
}
.article__body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14.5px; }
.article__body th {
  text-align: left; font-weight: 600; padding: 11px 12px;
  border-bottom: 1px solid var(--line-strong); background: var(--bg-soft);
}
.article__body td { padding: 11px 12px; border-bottom: 1px solid var(--line); }

/* ===========================================================
   RESPONSIVE
   =========================================================== */
.faq-split {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 920px) {
  .faq-split { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .hero__inner { gap: 44px; }
}

@media (max-width: 920px) {
  .nav, .header__actions .btn { display: none; }
  .nav-toggle { display: grid; }
  .hero__inner { grid-template-columns: 1fr; padding: 64px 0 60px; }
  .hero__visual { max-width: 480px; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; padding-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .inquiry { grid-template-columns: 1fr; gap: 40px; }
  .pd { grid-template-columns: 1fr; gap: 36px; }
  .process { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .process__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .process__item:nth-child(3)::before { left: 0; }
  .cta-band { grid-template-columns: 1fr; padding: 40px 32px; }
  .cap-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 640px) {
  .logo__sub { display: none; }
  .header__inner { gap: 14px; }
  .header__actions { gap: 10px; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .container { padding: 0 18px; }
  .cat-grid, .product-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .stats__inner { grid-template-columns: 1fr 1fr; }
  .post-row { grid-template-columns: 1fr; gap: 10px; }
  .post-row .arrow { display: none; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__float { right: 0; bottom: -20px; }
  .trust__inner { gap: 18px; }
  .trust__items { gap: 22px; }
  .section { padding: 56px 0; }
  .process { grid-template-columns: 1fr; }
  .process__item { border-left: 1px solid var(--line); padding-left: 22px; }
  .process__item:nth-child(2), .process__item:nth-child(4) { border-left: 1px solid var(--line); padding-left: 22px; }
  .process__item::before { left: -4px; }
  .process__item:nth-child(3)::before { left: -4px; }
  .process__item { padding-bottom: 8px; }
  .process__item:first-child { border-left: 0; }
}