/* ============================================================
   JIURONG — Inflatable Air Pump Solutions
   Static site stylesheet
   ============================================================ */
:root {
  --primary: #0e4d9c;
  --primary-dk: #0a3a78;
  --navy: #0b2447;
  --navy-2: #123464;
  --accent: #14b8a6;
  --accent-dk: #0d9488;
  --sky: #eaf3fc;
  --light: #f5f8fc;
  --line: #e3eaf3;
  --text: #1f2937;
  --muted: #5b6b7f;
  --grad-hero: linear-gradient(135deg, #0b2447 0%, #0e4d9c 55%, #0d9488 100%);
  --shadow-sm: 0 2px 10px rgba(11, 36, 71, .07);
  --shadow-md: 0 10px 30px rgba(11, 36, 71, .12);
  --radius: 14px;
  --header-h: 76px;
}

* { 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: #fff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
ul { list-style: none; }

.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: 72px 0; }
.section.alt { background: var(--light); }

/* ---------- typography ---------- */
h1, h2, h3, h4 { line-height: 1.25; color: var(--navy); font-weight: 700; }
.sec-head { max-width: 760px; margin: 0 auto 42px; text-align: center; }
.sec-head.left { margin: 0 0 36px; text-align: left; }
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-dk); margin-bottom: 10px;
}
.sec-eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); border-radius: 2px; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 12px; }
.sec-head p { color: var(--muted); font-size: 16.5px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 28px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: all .22s ease; white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(14, 77, 156, .32); }
.btn-primary:hover { background: var(--primary-dk); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(20, 184, 166, .3); }
.btn-accent:hover { background: var(--accent-dk); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255, 255, 255, .75); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, .14); }
.btn-ghost { border-color: var(--line); color: var(--navy); background: #fff; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- header ---------- */
.topbar { background: var(--navy); color: #cfe0f5; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 16px; }
.topbar a { color: #fff; font-weight: 600; }
.topbar .tb-left { display: flex; align-items: center; gap: 8px; }
.topbar .tb-right { display: flex; align-items: center; gap: 18px; }
.topbar svg { width: 14px; height: 14px; }

.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 18px; }
.logo img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav > li { position: relative; }
.nav > li > a {
  display: flex; align-items: center; gap: 5px; padding: 10px 14px; border-radius: 8px;
  color: var(--navy); font-weight: 600; font-size: 15px;
}
.nav > li > a:hover, .nav > li > a.active { color: var(--primary); background: var(--sky); }
.nav > li > a svg { width: 13px; height: 13px; opacity: .7; }
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 265px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-md);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s ease;
}
.nav li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(4px); }
.dropdown a {
  display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 9px;
  color: var(--text); font-size: 14.5px; font-weight: 500;
}
.dropdown a:hover { background: var(--sky); color: var(--primary); }
.dropdown a svg { width: 17px; height: 17px; color: var(--accent-dk); flex: none; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn { padding: 10px 22px; font-size: 14px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle svg { width: 26px; height: 26px; color: var(--navy); }

/* ---------- hero (home) ---------- */
.hero {
  position: relative; min-height: 620px; display: flex; align-items: center;
  background: var(--navy) url("../img/scenes/hero-banner.jpg") no-repeat;
  background-size: cover; background-position: 78% 40%;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7, 28, 58, .96) 0%, rgba(7, 28, 58, .88) 30%, rgba(9, 40, 84, .55) 55%, rgba(9, 40, 84, .12) 78%, rgba(9, 40, 84, 0) 100%);
}
.hero-in { position: relative; z-index: 2; padding: 70px 0; width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(20, 184, 166, .16);
  border: 1px solid rgba(20, 184, 166, .55); color: #7ee8dc; border-radius: 999px;
  padding: 7px 16px; font-size: 13px; font-weight: 600; letter-spacing: .6px; margin-bottom: 22px;
}
.hero h1 {
  color: #fff; font-size: clamp(38px, 5.6vw, 68px); letter-spacing: .5px; line-height: 1.08;
  text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 .grad {
  background: linear-gradient(90deg, #34d399, #22d3ee 60%, #5eead4);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.sub { color: #d9e6f7; font-size: clamp(16px, 2vw, 20px); max-width: 560px; margin-bottom: 26px; }
.hero-apps { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-bottom: 34px; }
.hero-app { display: flex; align-items: center; gap: 9px; color: #eaf2fd; font-size: 14.5px; font-weight: 600; }
.hero-app .ic {
  width: 44px; height: 44px; border-radius: 50%; border: 1.6px solid rgba(255, 255, 255, .65);
  display: grid; place-items: center; background: rgba(255, 255, 255, .08);
}
.hero-app .ic svg { width: 22px; height: 22px; color: #fff; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; color: #9fb8d8; font-size: 13.5px; display: flex; gap: 20px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note svg { width: 15px; height: 15px; color: var(--accent); }

/* ---------- stats strip ---------- */
.stats { background: var(--navy); color: #fff; padding: 34px 0; border-top: 1px solid rgba(255,255,255,.08); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.stat { text-align: center; }
.stat b { font-size: clamp(28px, 3.4vw, 42px); color: #fff; display: block; line-height: 1.1; }
.stat b i { font-style: normal; color: var(--accent); }
.stat span { display: block; font-weight: 600; margin-top: 6px; letter-spacing: .4px; }
.stat em { font-style: normal; color: #8fa9c9; font-size: 13px; }

/* ---------- category cards ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.cat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.cat-card .ph { position: relative; aspect-ratio: 4/3; overflow: hidden; background: linear-gradient(160deg, var(--sky), #dceafc); }
.cat-card .ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 20px; transition: transform .45s ease; }
.cat-card .ph img.cover { object-fit: cover; padding: 0; }
.cat-card:hover .ph img { transform: scale(1.06); }
.cat-card .cnt { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.cat-card h3 { font-size: 18px; }
.cat-card h3 a { color: inherit; }
.cat-card p { color: var(--muted); font-size: 14px; flex: 1; }
.cat-card .more { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.cat-card .more svg { width: 15px; height: 15px; transition: transform .2s; }
.cat-card:hover .more svg { transform: translateX(4px); }

/* ---------- product cards ---------- */
.p-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: all .25s ease; position: relative;
}
.p-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.p-card .ph { aspect-ratio: 1/1; background: #fff; position: relative; overflow: hidden; }
.p-card .ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 24px; transition: transform .4s ease; }
.p-card:hover .ph img { transform: scale(1.05); }
.p-badge {
  position: absolute; top: 12px; left: 12px; background: var(--accent); color: #fff;
  font-size: 11.5px; font-weight: 700; letter-spacing: .5px; padding: 4px 11px; border-radius: 999px;
  text-transform: uppercase;
}
.p-badge.blue { background: var(--primary); }
.p-card .cnt { padding: 17px 19px 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 7px; flex: 1; }
.p-card .model { font-size: 12px; font-weight: 700; color: var(--accent-dk); letter-spacing: 1px; }
.p-card h3 { font-size: 16.5px; }
.p-card h3 a { color: var(--navy); }
.p-card p { color: var(--muted); font-size: 13.5px; flex: 1; }
.p-card .link { font-weight: 600; font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; }
.p-card .link svg { width: 15px; height: 15px; }

/* spec-only mini cards */
.mini-card {
  background: #fff; border: 1px dashed #c9d8ea; border-radius: var(--radius); padding: 18px 19px;
  display: flex; flex-direction: column; gap: 6px; justify-content: center; transition: all .2s ease;
}
.mini-card:hover { border-color: var(--accent); border-style: solid; }
.mini-card .model { font-size: 12.5px; font-weight: 700; color: var(--primary); letter-spacing: .8px; }
.mini-card b { color: var(--navy); font-size: 15.5px; }
.mini-card span { color: var(--muted); font-size: 13px; }

/* ---------- page hero (inner) ---------- */
.page-hero {
  background: var(--grad-hero); color: #fff; padding: 74px 0 66px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -140px; top: -140px; width: 430px; height: 430px;
  border-radius: 50%; background: radial-gradient(circle, rgba(20, 184, 166, .35), transparent 65%);
}
.page-hero h1 { color: #fff; font-size: clamp(30px, 4.4vw, 46px); margin-bottom: 12px; }
.page-hero p { color: #cfe0f5; max-width: 680px; font-size: 16.5px; }
.crumbs { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: #9fc0e8; margin-bottom: 18px; flex-wrap: wrap; }
.crumbs a, .crumbs b, .crumbs span { white-space: nowrap; }
.crumbs a { color: #cfe0f5; }
.crumbs a:hover { color: #fff; }
.crumbs svg { width: 12px; height: 12px; opacity: .7; }

/* ---------- feature blocks ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px;
  transition: all .25s ease;
}
.feat:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.feat .ic {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--sky), #d8ecff); color: var(--primary); margin-bottom: 16px;
}
.feat .ic svg { width: 26px; height: 26px; }
.feat h3 { font-size: 17px; margin-bottom: 8px; }
.feat p { color: var(--muted); font-size: 14px; }

/* ---------- split section ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.split .pic { position: relative; }
.split .pic img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; object-fit: cover; }
.split .pic .tag {
  position: absolute; left: 18px; bottom: 18px; background: rgba(11, 36, 71, .82); color: #fff;
  backdrop-filter: blur(4px); border-radius: 10px; padding: 10px 16px; font-size: 13.5px; font-weight: 600;
}
.check-list { display: grid; gap: 13px; margin: 20px 0 26px; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; color: var(--text); font-size: 15px; }
.check-list li svg { width: 20px; height: 20px; color: var(--accent); flex: none; margin-top: 2px; }
.check-list li b { color: var(--navy); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--grad-hero); border-radius: 20px; color: #fff; padding: 52px 56px;
  display: flex; justify-content: space-between; align-items: center; gap: 30px; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -90px; bottom: -120px; width: 320px; height: 320px;
  border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .14), transparent 70%);
}
.cta-band h2 { color: #fff; font-size: clamp(22px, 3vw, 32px); margin-bottom: 8px; }
.cta-band p { color: #cfe0f5; max-width: 560px; }
.cta-band .btns { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* ---------- product detail ---------- */
.pd-top { display: grid; grid-template-columns: 1.08fr 1fr; gap: 44px; align-items: start; }
.pd-gallery .main {
  position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff;
  aspect-ratio: 1/1;
}
.pd-gallery .main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 30px; }
.pd-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.pd-thumbs button {
  position: relative; border: 2px solid var(--line); background: #fff; border-radius: 10px; cursor: pointer;
  aspect-ratio: 1/1; overflow: hidden; transition: all .18s;
}
.pd-thumbs button img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 7px; }
.pd-thumbs button.on, .pd-thumbs button:hover { border-color: var(--primary); }
.pd-info .model { color: var(--accent-dk); font-weight: 800; letter-spacing: 1.5px; font-size: 14px; }
.pd-info h1 { font-size: clamp(24px, 3vw, 34px); margin: 8px 0 6px; }
.pd-info .tagline { color: var(--muted); font-size: 16.5px; margin-bottom: 16px; }
.pd-badges { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 18px; }
.pd-badges span {
  background: var(--sky); color: var(--primary-dk); font-size: 12.5px; font-weight: 700;
  padding: 5px 13px; border-radius: 999px; display: inline-flex; align-items: center; gap: 6px;
}
.pd-badges svg { width: 13px; height: 13px; }
.pd-desc { color: var(--text); font-size: 15.5px; margin-bottom: 22px; }
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { background: var(--light); color: var(--navy); width: 38%; font-weight: 600; }
.pd-cta { display: flex; gap: 13px; margin-top: 24px; flex-wrap: wrap; }

.pd-section { padding: 56px 0; }
.pd-feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.pd-feat { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.pd-feat svg { width: 26px; height: 26px; color: var(--accent-dk); flex: none; }
.pd-feat b { color: var(--navy); display: block; margin-bottom: 3px; font-size: 15.5px; }
.pd-feat span { color: var(--muted); font-size: 13.5px; }

/* ---------- applications ---------- */
.app-band { position: relative; border-radius: 20px; overflow: hidden; min-height: 300px; display: flex; align-items: flex-end; color: #fff; }
.app-band img.bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.app-band .ov { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7, 28, 58, 0) 30%, rgba(7, 28, 58, .88)); }
.app-band .cnt { position: relative; z-index: 2; padding: 30px 34px; }
.app-band h3 { color: #fff; font-size: 24px; margin-bottom: 6px; }
.app-band p { color: #d9e6f7; max-width: 640px; font-size: 15px; }
.app-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------- video ---------- */
.video-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); background: #000; }
.video-wrap video { width: 100%; display: block; }

/* ---------- news ---------- */
.n-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s ease; display: flex; flex-direction: column; }
.n-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.n-card .ph { aspect-ratio: 16/9.6; overflow: hidden; }
.n-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.n-card:hover .ph img { transform: scale(1.05); }
.n-card .cnt { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.n-meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); }
.n-meta b { color: var(--accent-dk); text-transform: uppercase; letter-spacing: .8px; }
.n-card h3 { font-size: 17.5px; line-height: 1.4; }
.n-card h3 a { color: var(--navy); }
.n-card p { color: var(--muted); font-size: 14px; flex: 1; }
.n-card .link svg, .link svg, .more svg { width: 15px; height: 15px; flex: none; }

.article { max-width: 800px; margin: 0 auto; }
.article .lead-img { border-radius: var(--radius); margin: 26px 0; }
.article h2 { font-size: 22px; margin: 30px 0 12px; }
.article p, .article li { color: #374151; font-size: 16px; margin-bottom: 14px; }
.article ul { padding-left: 22px; list-style: disc; }
.article blockquote {
  border-left: 4px solid var(--accent); background: var(--light); padding: 16px 22px;
  border-radius: 0 12px 12px 0; color: var(--navy); font-weight: 500; margin: 20px 0;
}
.article table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.article th, .article td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article th { background: var(--light); color: var(--navy); }

/* ---------- OEM steps ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 16px; text-align: center; position: relative; transition: all .22s; }
.step:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.step .num {
  width: 40px; height: 40px; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad-hero); color: #fff; font-weight: 800; font-size: 17px;
}
.step b { color: var(--navy); font-size: 14.5px; display: block; margin-bottom: 5px; }
.step span { color: var(--muted); font-size: 12.5px; line-height: 1.5; display: block; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 34px; align-items: start; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; gap: 16px; margin-bottom: 16px; }
.info-card .ic { width: 48px; height: 48px; border-radius: 12px; background: var(--sky); color: var(--primary); display: grid; place-items: center; flex: none; }
.info-card .ic svg { width: 22px; height: 22px; }
.info-card b { color: var(--navy); display: block; font-size: 15.5px; }
.info-card p, .info-card a { color: var(--muted); font-size: 14.5px; word-break: break-word; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.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(--navy); }
.field label i { color: #e11d48; font-style: normal; }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 14.5px;
  font-family: inherit; color: var(--text); background: #fcfdff; transition: border .18s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); background: #fff; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 12px; }

/* ---------- faq ---------- */
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 22px; font-weight: 600; color: var(--navy);
  display: flex; justify-content: space-between; align-items: center; gap: 14px; font-size: 15.5px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { width: 18px; height: 18px; color: var(--accent-dk); flex: none; transition: transform .2s; }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 22px 20px; color: var(--muted); font-size: 14.5px; }

/* ---------- certifications ---------- */
.cert-row { display: flex; gap: 18px; flex-wrap: wrap; }
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px;
  display: flex; align-items: center; gap: 13px; transition: all .2s;
}
.cert:hover { border-color: var(--primary); }
.cert svg { width: 30px; height: 30px; color: var(--primary); }
.cert b { color: var(--navy); font-size: 15px; display: block; }
.cert span { color: var(--muted); font-size: 12.5px; }

/* ---------- footer ---------- */
.footer { background: var(--navy); color: #b9cbe4; margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.25fr; gap: 40px; padding: 58px 0 44px; }
.footer .f-logo img { height: 52px; margin-bottom: 16px; }
.footer p.f-about { font-size: 14px; line-height: 1.75; max-width: 320px; }
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: .5px; }
.footer ul { display: grid; gap: 9px; }
.footer ul a { color: #b9cbe4; font-size: 14px; }
.footer ul a:hover { color: #fff; }
.f-contact li { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; }
.f-contact svg { width: 16px; height: 16px; color: var(--accent); flex: none; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13px; color: #8aa3c4; }
.footer-bottom a { color: #b9cbe4; }

/* ---------- misc ---------- */
.tag-chip {
  display: inline-block; background: var(--sky); color: var(--primary-dk); border-radius: 999px;
  font-size: 12.5px; font-weight: 600; padding: 4px 12px;
}
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-bar button {
  border: 1.5px solid var(--line); background: #fff; border-radius: 999px; padding: 9px 20px;
  font-size: 14px; font-weight: 600; color: var(--muted); cursor: pointer; transition: all .18s;
}
.filter-bar button.on, .filter-bar button:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .grid-4, .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .pd-top { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 14px 6%; gap: 2px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md); display: none; max-height: calc(100vh - var(--header-h)); overflow: auto;
  }
  .nav.open { display: flex; }
  .nav > li > a { padding: 13px 10px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 8px 14px; display: none; }
  .nav li:hover .dropdown { display: block; }
  .nav li.dd-open .dropdown { display: block; }
  .nav-toggle { display: block; }
  .header-cta .btn span { display: none; }
  .header-cta .btn { padding: 10px 14px; }
  .hero { min-height: 560px; }
  .hero::before { background: linear-gradient(180deg, rgba(7, 28, 58, .82), rgba(7, 28, 58, .94)); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .app-row, .pd-feats { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 40px 28px; }
  .topbar .tb-left span { display: none; }
}
@media (max-width: 620px) {
  .section { padding: 52px 0; }
  .grid-4, .grid-3, .grid-2, .feat-grid, .app-row, .pd-feats, .form-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .pd-thumbs { grid-template-columns: repeat(4, 1fr); }
  .form-card, .hero-in { padding-left: 4%; padding-right: 4%; }
  .hero-btns .btn { flex: 1; justify-content: center; }
}