/* ============================================================
   KEXIN Industrial Induction Heating — Global Stylesheet
   ============================================================ */
:root {
  --navy-900: #0a1626;
  --navy-800: #0e1f33;
  --navy-700: #14293f;
  --navy-600: #1d3a57;
  --ink: #182230;
  --slate: #51607a;
  --slate-light: #8b98ad;
  --line: #e4e9f0;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --orange: #ff6b1a;
  --orange-dark: #e5550a;
  --amber: #ffb020;
  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(13, 27, 42, .06);
  --shadow-md: 0 12px 32px rgba(13, 27, 42, .12);
  --container: 1200px;
  --font: "Inter", "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

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

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy-900);
  color: #aebad0;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 38px; gap: 16px;
}
.topbar a { color: #d8e1ef; transition: color .2s; }
.topbar a:hover { color: var(--amber); }
.topbar-left { display: flex; gap: 22px; align-items: center; }
.topbar-right { display: flex; gap: 18px; align-items: center; white-space: nowrap; }
.topbar .dot { color: var(--orange); margin-right: 7px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 900;
  background: rgba(10, 22, 38, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 9px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--orange) 0%, #ff9436 100%);
  display: grid; place-items: center;
  box-shadow: 0 4px 14px rgba(255, 107, 26, .38);
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-text { line-height: 1.15; }
.brand-name { color: #fff; font-weight: 800; font-size: 18px; letter-spacing: .07em; }
.brand-sub { color: #7f93b3; font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > a {
  color: #c6d2e4; font-size: 15px; font-weight: 500;
  padding: 9px 15px; border-radius: 7px; transition: all .2s;
}
.main-nav > a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.main-nav > a.active { color: var(--amber); }
.main-nav > a.active::after {
  content: ""; display: block; height: 2px; border-radius: 2px;
  background: var(--orange); margin-top: 3px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 8px; border: none;
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  transition: all .22s ease; cursor: pointer;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 6px 18px rgba(255, 107, 26, .35); }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 107, 26, .45); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .55); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-outline { background: transparent; color: var(--orange); border: 1.5px solid var(--orange); }
.btn-outline:hover { background: var(--orange); color: #fff; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.header-cta { margin-left: 14px; }

.nav-toggle {
  display: none; background: none; border: none; width: 42px; height: 42px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--navy-900);
  padding: 92px 0 84px;
}
.page-hero .hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: .38;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,22,38,.94) 22%, rgba(10,22,38,.55) 60%, rgba(10,22,38,.35));
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 13.5px; color: #93a5c0; margin-bottom: 16px; }
.breadcrumb a { color: #c6d2e4; }
.breadcrumb a:hover { color: var(--amber); }
.page-hero h1 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; line-height: 1.18; max-width: 720px; }
.page-hero p { margin-top: 16px; color: #b9c6db; font-size: 17px; max-width: 640px; }

/* ---------- Home hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  min-height: 640px; display: flex; align-items: center;
  background: var(--navy-900);
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../img/hero-banner.jpg") center/cover no-repeat;
  opacity: .55;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(92deg, rgba(10,22,38,.95) 12%, rgba(10,22,38,.72) 45%, rgba(10,22,38,.18) 82%);
}
.hero .container { position: relative; z-index: 2; padding-top: 70px; padding-bottom: 70px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255, 107, 26, .16); border: 1px solid rgba(255, 107, 26, .45);
  color: #ffc59e; font-size: 13px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; padding: 7px 15px; border-radius: 99px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; line-height: 1.14; max-width: 680px; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero-sub { margin-top: 20px; font-size: 18px; color: #c3cfe2; max-width: 580px; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin-top: 58px; max-width: 780px;
  border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 28px;
}
.hero-stat b { display: block; font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: #fff; }
.hero-stat b span { color: var(--orange); }
.hero-stat small { color: #93a5c0; font-size: 13px; letter-spacing: .02em; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--navy-900); color: #dbe4f2; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 680px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--orange); font-size: 13px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; margin-bottom: 14px;
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--orange); border-radius: 2px; }
.section-head.center .kicker::after { content: ""; width: 26px; height: 2px; background: var(--orange); border-radius: 2px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; line-height: 1.22; color: var(--ink); }
.section-head p { margin-top: 14px; color: var(--slate); font-size: 16.5px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

/* ---------- Feature cards ---------- */
.feature-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: all .25s ease;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-icon {
  width: 54px; height: 54px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #fff1e7, #ffe2cd); margin-bottom: 20px;
}
.feature-icon svg { width: 27px; height: 27px; stroke: var(--orange); }
.feature-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--slate); font-size: 15px; }

/* ---------- Product category cards (what we do) ---------- */
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: #fff; border: 1px solid var(--line);
  display: flex; flex-direction: column; transition: all .28s ease;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.cat-media { position: relative; aspect-ratio: 16 / 10.5; overflow: hidden; }
.cat-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.cat-card:hover .cat-media img { transform: scale(1.05); }
.cat-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,38,.42), transparent 55%);
}
.cat-num {
  position: absolute; z-index: 2; top: 14px; left: 14px;
  background: rgba(10, 22, 38, .78); color: var(--amber);
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  padding: 5px 12px; border-radius: 6px; backdrop-filter: blur(4px);
}
.cat-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.cat-body h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 9px; }
.cat-body h3 a:hover { color: var(--orange); }
.cat-body p { color: var(--slate); font-size: 14.5px; flex: 1; }
.cat-links { margin: 14px 0 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.cat-links a {
  font-size: 12.5px; color: var(--navy-600); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 99px; padding: 4px 12px; transition: all .2s;
}
.cat-links a:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.cat-more { font-weight: 600; font-size: 14.5px; color: var(--orange); display: inline-flex; align-items: center; gap: 6px; }
.cat-more:hover { gap: 10px; }
.cat-more::after { content: "→"; transition: inherit; }

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; object-fit: cover; }
.split-media .badge-float {
  position: absolute; right: -18px; bottom: -18px;
  background: var(--orange); color: #fff; border-radius: 12px;
  padding: 18px 22px; box-shadow: var(--shadow-md); text-align: center;
}
.badge-float b { display: block; font-size: 26px; font-weight: 800; line-height: 1; }
.badge-float small { font-size: 12px; opacity: .9; letter-spacing: .04em; }
.split-text h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.25; margin-bottom: 18px; }
.split-text p { color: var(--slate); margin-bottom: 14px; }
.checklist { margin: 20px 0 26px; display: grid; gap: 11px; }
.checklist li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; }
.checklist .tick {
  flex: 0 0 auto; width: 21px; height: 21px; border-radius: 50%;
  background: #e8f6ee; display: grid; place-items: center; margin-top: 2px;
}
.checklist .tick svg { width: 12px; height: 12px; stroke: #1d9d5f; }

/* ---------- Product grid & filter ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.filter-btn {
  border: 1px solid var(--line); background: #fff; color: var(--slate);
  border-radius: 99px; padding: 9px 20px; font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: all .25s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product-media { aspect-ratio: 4 / 3; background: #fff; display: grid; place-items: center; padding: 18px; border-bottom: 1px solid var(--line); }
.product-media img { max-height: 100%; object-fit: contain; transition: transform .4s ease; }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.product-model { font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--orange); text-transform: uppercase; }
.product-body h3 { font-size: 17px; font-weight: 700; margin: 6px 0 8px; }
.product-body p { font-size: 14px; color: var(--slate); flex: 1; }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 16px; }
.product-tags span {
  font-size: 11.5px; font-weight: 600; color: var(--navy-600);
  background: var(--bg-soft); border-radius: 5px; padding: 3px 9px;
}
.product-card .btn { margin-top: auto; }

/* ---------- Spec table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 640px; }
table.spec th {
  background: var(--navy-800); color: #fff; text-align: left;
  padding: 14px 18px; font-weight: 600; letter-spacing: .02em; white-space: nowrap;
}
table.spec td { padding: 12.5px 18px; border-top: 1px solid var(--line); color: var(--ink); }
table.spec tr:nth-child(even) td { background: var(--bg-soft); }
table.spec td:first-child { font-weight: 700; color: var(--orange); white-space: nowrap; }

/* ---------- Industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.industry-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 230px;
  display: flex; align-items: flex-end; color: #fff;
}
.industry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.industry-card:hover img { transform: scale(1.07); }
.industry-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,38,.88) 8%, rgba(10,22,38,.25) 60%);
}
.industry-body { position: relative; z-index: 2; padding: 24px; }
.industry-body h3 { font-size: 19px; font-weight: 700; }
.industry-body p { font-size: 13.5px; color: #c9d4e6; margin-top: 5px; }
.industry-body a { color: var(--amber); font-size: 13.5px; font-weight: 600; }

/* ---------- Split list sections (what-we-do detail) ---------- */
.solution { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; align-items: center; padding: 56px 0; }
.solution + .solution { border-top: 1px solid var(--line); }
.solution:first-of-type { padding-top: 0; }
.solution-media img { border-radius: var(--radius); box-shadow: var(--shadow-sm); width: 100%; aspect-ratio: 16/11; object-fit: cover; }
.solution-body .tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 22px; }
.solution-body h3 { font-size: 23px; font-weight: 800; margin-bottom: 12px; }
.solution-body p { color: var(--slate); font-size: 15.5px; }
.solution.rev .solution-media { order: 2; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  padding: 19px 22px; font-size: 16px; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q::after { content: "+"; font-size: 22px; color: var(--orange); font-weight: 400; transition: transform .25s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 22px 20px; color: var(--slate); font-size: 15px; }
.faq-item.open { border-color: #ffd6bd; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; color: #fff; overflow: hidden; background: var(--navy-900); }
.cta-band .cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .3; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,22,38,.94), rgba(10,22,38,.55)); }
.cta-inner { position: relative; z-index: 2; padding: 76px 0; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; line-height: 1.25; max-width: 620px; }
.cta-inner p { color: #b9c6db; margin-top: 12px; max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 44px; align-items: start; }
.contact-info-card {
  background: var(--navy-900); color: #dbe4f2; border-radius: var(--radius);
  padding: 36px 32px; display: grid; gap: 26px;
}
.contact-info-card h3 { color: #fff; font-size: 20px; font-weight: 700; }
.info-line { display: flex; gap: 15px; align-items: flex-start; }
.info-icon {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 10px;
  background: rgba(255, 107, 26, .15); display: grid; place-items: center;
}
.info-icon svg { width: 20px; height: 20px; stroke: var(--orange); }
.info-line b { display: block; color: #fff; font-size: 15px; margin-bottom: 3px; }
.info-line span, .info-line a { font-size: 14.5px; color: #aebad0; }
.info-line a:hover { color: var(--amber); }
.quote-form {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 36px; box-shadow: var(--shadow-sm);
}
.quote-form h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.quote-form > p { color: var(--slate); font-size: 14.5px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink); }
.form-field label i { color: var(--orange); font-style: normal; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; border: 1px solid #d4dbe6; border-radius: 8px;
  padding: 12px 14px; font-size: 15px; font-family: inherit; color: var(--ink);
  background: #fbfcfe; transition: border .2s, box-shadow .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(255, 107, 26, .14); background: #fff;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-success {
  display: none; background: #e8f6ee; border: 1px solid #bfe6cf; color: #17693c;
  border-radius: 8px; padding: 14px 18px; font-size: 14.5px; margin-top: 18px;
}
.form-success.show { display: block; }

/* ---------- Blog cards ---------- */
.post-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.post-media { aspect-ratio: 3 / 2; overflow: hidden; }
.post-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.post-card:hover .post-media img { transform: scale(1.06); }
.post-body { padding: 20px 22px 24px; }
.post-date { font-size: 12.5px; color: var(--slate-light); letter-spacing: .04em; }
.post-body h3 { font-size: 16.5px; font-weight: 700; margin-top: 8px; line-height: 1.4; }
.post-body h3 a:hover { color: var(--orange); }

/* ---------- About ---------- */
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 46px; }
.stat-tile { background: var(--navy-800); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.stat-tile b { display: block; font-size: 34px; font-weight: 800; color: var(--amber); }
.stat-tile b span { color: #fff; }
.stat-tile small { color: #93a5c0; font-size: 13.5px; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; transition: transform .3s; }
.gallery img:hover { transform: scale(1.03); }
.value-item { display: flex; gap: 16px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.value-item b { font-size: 16.5px; display: block; margin-bottom: 5px; }
.value-item p { font-size: 14px; color: var(--slate); }
.value-num { flex: 0 0 auto; font-size: 26px; font-weight: 800; color: rgba(255, 107, 26, .35); line-height: 1; }

/* ---------- Applications page ---------- */
.app-block { display: grid; grid-template-columns: 64px 1fr; gap: 22px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.app-block:last-child { border-bottom: none; }
.app-icon {
  width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, #fff1e7, #ffe2cd);
}
.app-icon svg { width: 28px; height: 28px; stroke: var(--orange); }
.app-block h3 { font-size: 20px; font-weight: 800; margin-bottom: 8px; }
.app-block p { color: var(--slate); font-size: 15px; max-width: 900px; }
.app-chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.app-chip-row span {
  font-size: 13px; font-weight: 600; color: var(--navy-600);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 99px; padding: 5px 14px;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #93a5c0; font-size: 14.5px; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding: 68px 0 52px; }
.footer-main h4 { color: #fff; font-size: 15.5px; font-weight: 700; margin-bottom: 18px; letter-spacing: .02em; }
.footer-brand p { margin-top: 16px; line-height: 1.7; max-width: 300px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { transition: color .2s; }
.footer-links a:hover { color: var(--amber); }
.footer-contact { display: grid; gap: 12px; }
.footer-contact .info-line span { font-size: 14px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: #6d7f9d; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 800;
  width: 46px; height: 46px; border-radius: 10px; border: none;
  background: var(--orange); color: #fff; font-size: 19px;
  box-shadow: var(--shadow-md); opacity: 0; pointer-events: none;
  transition: all .3s; display: grid; place-items: center;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { background: var(--orange-dark); transform: translateY(-3px); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .grid-4, .gallery, .about-stats { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .grid-3, .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .split, .solution, .contact-grid { gap: 40px; }
}
@media (max-width: 860px) {
  .main-nav {
    position: fixed; top: 0; right: -300px; width: 290px; height: 100vh;
    background: var(--navy-900); flex-direction: column; align-items: flex-start;
    padding: 90px 28px 30px; gap: 8px; transition: right .3s ease; z-index: 950;
    box-shadow: -10px 0 40px rgba(0,0,0,.35);
  }
  .main-nav.open { right: 0; }
  .main-nav > a { width: 100%; font-size: 16.5px; }
  .header-cta { margin: 14px 0 0; }
  .nav-toggle { display: flex; z-index: 990; position: relative; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 940; opacity: 0; pointer-events: none; transition: opacity .3s; }
  .nav-backdrop.show { opacity: 1; pointer-events: auto; }
  .topbar-left { display: none; }
  .split, .solution, .contact-grid { grid-template-columns: 1fr; }
  .solution.rev .solution-media { order: 0; }
  .hero { min-height: 560px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .badge-float { right: 10px; bottom: -14px; }
  .section { padding: 64px 0; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .product-grid, .grid-3, .grid-4, .industry-grid, .gallery, .about-stats { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .topbar-right { font-size: 12px; gap: 12px; }
  .quote-form { padding: 26px 20px; }
}