/* ============================================================
   MEDFILL — Pre-filled Syringe B2B Export Site
   Medical Professional Blue Theme
   ============================================================ */

:root {
  --blue-900: #0b2545;
  --blue-800: #0b4ea2;
  --blue-700: #1a73e8;
  --blue-500: #4aa3ff;
  --blue-300: #9cc6ff;
  --blue-100: #eaf3ff;
  --blue-50:  #f4f9ff;
  --ink:      #1a2a3a;
  --muted:    #5b6b7b;
  --line:     #e2ebf5;
  --white:    #ffffff;
  --green:    #1aa463;
  --radius:   14px;
  --shadow:   0 10px 30px rgba(11, 78, 162, 0.10);
  --shadow-sm:0 4px 14px rgba(11, 78, 162, 0.08);
  --maxw:     1180px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-700); text-decoration: none; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-sm { padding: 56px 0; }
.bg-soft { background: var(--blue-50); }
.bg-blue { background: linear-gradient(135deg, var(--blue-800), var(--blue-700)); color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600;
  font-size: 15px; cursor: pointer; border: 2px solid transparent;
  transition: all .2s ease; text-align: center;
}
.btn-primary { background: var(--blue-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-800); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--blue-700); border-color: var(--blue-700); }
.btn-outline:hover { background: var(--blue-700); color: #fff; }
.btn-light { background: #fff; color: var(--blue-800); }
.btn-light:hover { background: var(--blue-100); }
.btn-lg { padding: 16px 34px; font-size: 16px; }

/* ---------- Navbar ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-links { display: flex; align-items: center; gap: 30px; list-style: none; }
.nav-links a { color: var(--ink); font-weight: 500; font-size: 15px; position: relative; }
.nav-links a:hover { color: var(--blue-700); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.lang-toggle {
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
  overflow: hidden; font-size: 14px; font-weight: 600;
}
.lang-toggle button {
  border: none; background: transparent; padding: 7px 14px; cursor: pointer; color: var(--muted);
}
.lang-toggle button.active { background: var(--blue-700); color: #fff; }
.hamburger { display: none; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 44px; line-height: 1.15; color: var(--blue-900); margin-bottom: 18px; }
.hero p.lead { font-size: 18px; color: var(--muted); margin-bottom: 28px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 40px; }
.hero-stats .num { font-size: 30px; font-weight: 700; color: var(--blue-700); }
.hero-stats .lbl { font-size: 14px; color: var(--muted); }

/* ---------- Section heading ---------- */
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-head .eyebrow { color: var(--blue-700); font-weight: 700; letter-spacing: 1.5px; font-size: 13px; text-transform: uppercase; }
.sec-head h2 { font-size: 34px; color: var(--blue-900); margin: 10px 0 14px; }
.sec-head p { color: var(--muted); font-size: 17px; }

/* ---------- Feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ico {
  width: 54px; height: 54px; border-radius: 12px; background: var(--blue-100);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card .ico svg { width: 28px; height: 28px; stroke: var(--blue-700); }
.card h3 { color: var(--blue-900); font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* ---------- Product grid ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.prod-card {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.prod-thumb { background: var(--blue-50); height: 180px; display: flex; align-items: center; justify-content: center; }
.prod-thumb svg { width: 120px; height: 120px; }
.prod-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.prod-body h3 { color: var(--blue-900); font-size: 18px; margin-bottom: 8px; }
.prod-body p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.prod-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tag { font-size: 12px; background: var(--blue-100); color: var(--blue-800); padding: 4px 10px; border-radius: 999px; font-weight: 600; }

/* ---------- Spec table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.spec { width: 100%; border-collapse: collapse; min-width: 640px; }
table.spec th, table.spec td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); font-size: 15px; }
table.spec thead th { background: var(--blue-800); color: #fff; font-weight: 600; }
table.spec tbody tr:nth-child(even) { background: var(--blue-50); }
table.spec td:first-child { font-weight: 600; color: var(--blue-900); }

/* ---------- Certifications ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; box-shadow: var(--shadow-sm);
}
.cert .badge {
  width: 70px; height: 70px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--blue-100); display: flex; align-items: center; justify-content: center;
  color: var(--blue-700); font-weight: 800; font-size: 20px;
}
.cert h4 { color: var(--blue-900); font-size: 16px; margin-bottom: 6px; }
.cert p { color: var(--muted); font-size: 13px; }

/* ---------- About / stats ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.about-grid h2 { font-size: 32px; color: var(--blue-900); margin-bottom: 16px; }
.about-grid p { color: var(--muted); margin-bottom: 16px; }
.stat-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 24px; }
.stat-box { background: var(--blue-50); border-radius: var(--radius); padding: 22px; }
.stat-box .num { font-size: 30px; font-weight: 700; color: var(--blue-700); }
.stat-box .lbl { color: var(--muted); font-size: 14px; }

/* ---------- Contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-info h2 { font-size: 30px; color: var(--blue-900); margin-bottom: 14px; }
.contact-info p { color: var(--muted); margin-bottom: 22px; }
.info-item { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.info-item .ico { width: 42px; height: 42px; border-radius: 10px; background: var(--blue-100); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.info-item .ico svg { width: 20px; height: 20px; stroke: var(--blue-700); }
.info-item .t { font-weight: 600; color: var(--blue-900); }
.info-item .d { color: var(--muted); font-size: 14px; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--blue-900); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: var(--font); font-size: 15px; color: var(--ink); background: var(--blue-50);
  transition: border .2s, background .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue-700); background: #fff; }
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
.form-success { display: none; background: #e8f7ef; color: var(--green); border: 1px solid #b6e6cd; padding: 14px; border-radius: 10px; margin-top: 16px; font-weight: 600; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { font-size: 32px; margin-bottom: 14px; }
.cta-band p { color: #d6e6ff; font-size: 17px; margin-bottom: 26px; }

/* ---------- Footer ---------- */
.footer { background: var(--blue-900); color: #cdd9e8; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer a { color: #cdd9e8; font-size: 14px; display: block; margin-bottom: 10px; }
.footer a:hover { color: #fff; }
.footer .about p { font-size: 14px; color: #aebfd4; margin-top: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: 36px; padding-top: 20px; font-size: 13px; color: #93a6bf; text-align: center; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { background: var(--blue-50); padding: 18px 0; font-size: 14px; color: var(--muted); }
.breadcrumb a { color: var(--blue-700); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.show { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .cards, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); padding: 8px 0; }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 24px; }
  .hamburger { display: block; }
  .cards, .prod-grid, .cert-grid, .form-row, .stat-row { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .section { padding: 60px 0; }
  .hero h1 { font-size: 30px; }
  .sec-head h2 { font-size: 27px; }
}

/* ---------- Photos ---------- */
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-photo {
  width: 100%; max-width: 540px; border-radius: 18px; display: block;
  box-shadow: 0 24px 60px rgba(11, 78, 162, .22);
}
.about-photo-img {
  width: 100%; max-width: 540px; border-radius: 18px; display: block;
  box-shadow: 0 24px 60px rgba(11, 78, 162, .16);
}
.about-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.about-gallery img { width: 100%; height: 210px; object-fit: cover; border-radius: 14px; display: block; }
.cat-media {
  height: 180px; margin: -30px -30px 20px; overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}
.cat-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 680px) {
  .about-gallery { grid-template-columns: 1fr; }
  .about-gallery img { height: 190px; }
}