:root {
  --navy: #0a1b3d;
  --navy-2: #12295a;
  --blue: #1560d4;
  --cyan: #1e9ad6;
  --ink: #0d1626;
  --text: #34425a;
  --muted: #6b7a93;
  --steel: #eef2f8;
  --line: #dde4f0;
  --white: #fff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 27, 61, .10);
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: 'Sora', 'Inter', sans-serif; color: var(--ink); line-height: 1.18; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p + p { margin-top: 1em; }

.container { width: min(var(--max), 100% - 2.5rem); margin-inline: auto; }
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section.alt { background: var(--steel); }
.section.dark { background: var(--navy); color: #c8d3ea; }
.section.dark h2, .section.dark h3 { color: #fff; }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue); margin-bottom: .9rem;
}
.dark .eyebrow, .hero .eyebrow { color: #6cc4f2; }
.lead { font-size: 1.12rem; color: var(--text); max-width: 62ch; }
.section-head { max-width: 760px; margin-bottom: 2.6rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 1rem; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; height: 78px; }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand svg { height: 54px; width: auto; }
.brand-text { display: none; font-family: 'Sora', sans-serif; font-weight: 700; font-size: .78rem; letter-spacing: .06em; color: var(--ink); line-height: 1.2; text-transform: uppercase; }
.brand-text b { color: var(--blue); display: block; font-size: 1rem; letter-spacing: .02em; }
.nav { display: flex; align-items: center; gap: .3rem; }
.nav a {
  padding: .55rem .85rem; border-radius: 8px; font-weight: 500; font-size: .95rem; color: var(--ink);
  transition: background .2s, color .2s;
}
.nav a:hover { background: var(--steel); }
.nav a.active { color: var(--blue); font-weight: 600; }
.nav a.cta { background: var(--blue); color: #fff; margin-left: .5rem; }
.nav a.cta:hover { background: var(--navy-2); }
.menu-btn { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: transform .25s, opacity .25s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem; padding: .85rem 1.5rem; border-radius: 10px;
  font-weight: 600; font-size: .98rem; border: 2px solid transparent; cursor: pointer;
  transition: transform .15s, background .2s, border-color .2s, color .2s; font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #0f4fb3; }
.btn-ghost { border-color: rgba(255, 255, 255, .5); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-outline { border-color: var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }

/* ---------- hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: var(--navy) url('../img/hero-bg.jpg') center/cover no-repeat;
}
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10, 27, 61, .96) 15%, rgba(10, 27, 61, .55) 70%, rgba(10, 27, 61, .35)); }
.hero .container { position: relative; padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 5.5rem); }
.hero h1 { color: #fff; max-width: 17ch; }
.hero h1 em { font-style: normal; color: #6cc4f2; }
.hero p.lead { color: #d3def2; margin-top: 1.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.2rem; }
.hero.small .container { padding: clamp(3rem, 6vw, 5rem) 0; }
.hero.small h1 { font-size: clamp(1.8rem, 3.8vw, 2.8rem); max-width: 24ch; }

/* ---------- stats ---------- */
.stats { margin-top: -3rem; position: relative; z-index: 2; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--line);
}
.stat { padding: 1.7rem 1.5rem; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: 'Sora', sans-serif; font-size: 1.9rem; color: var(--blue); line-height: 1.1; }
.stat span { font-size: .9rem; color: var(--muted); }
.stat.certs { display: flex; align-items: center; justify-content: center; padding: .8rem; }
.stat.certs img { max-height: 92px; width: auto; }

/* ---------- layout blocks ---------- */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split.reverse { grid-template-columns: .9fr 1.1fr; }
.split.reverse .split-media { order: -1; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.split-media .tag {
  position: absolute; left: 1rem; bottom: 1rem; background: rgba(10, 27, 61, .88); color: #fff;
  padding: .55rem 1rem; border-radius: 8px; font-size: .85rem; font-weight: 500;
}
.photo-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.photo-pair img { height: 100%; min-height: 280px; }
.photo-pair img:nth-child(2) { margin-top: 2rem; }
.highlight { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1.15rem; color: var(--ink); border-left: 4px solid var(--blue); padding-left: 1rem; margin-top: 1.6rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.4rem; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform .2s, box-shadow .2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; background: var(--steel); }
.card-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.card-body h3 { margin-bottom: .5rem; }
.card-body p { font-size: .95rem; }
.card-body .more { margin-top: auto; padding-top: 1rem; color: var(--blue); font-weight: 600; font-size: .92rem; }
.card-icon { display: grid; place-items: center; aspect-ratio: 16 / 10; background: linear-gradient(135deg, var(--navy), var(--blue)); }
.card-icon svg { width: 64px; height: 64px; stroke: #fff; fill: none; stroke-width: 1.6; }

.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.pillar { background: #fff; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; }
.pillar img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.pillar div { padding: 1.3rem 1.4rem 1.6rem; }
.pillar .num { font-family: 'Sora', sans-serif; font-weight: 700; color: var(--cyan); font-size: .85rem; letter-spacing: .1em; }
.pillar h3 { margin: .3rem 0 .6rem; }
.pillar p { font-size: .94rem; }

.steps { counter-reset: s; display: grid; gap: .9rem; margin-top: 1.5rem; }
.steps li {
  counter-increment: s; position: relative; padding: .95rem 1.1rem .95rem 3.6rem; background: #fff;
  border: 1px solid var(--line); border-radius: 10px; font-size: .97rem;
}
.steps li::before {
  content: counter(s); position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--blue); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: .85rem; font-family: 'Sora', sans-serif;
}

.chips { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.chip { padding: .42rem .9rem; background: var(--steel); border: 1px solid var(--line); border-radius: 999px; font-size: .88rem; font-weight: 500; color: var(--ink); }
.dark .chip { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .18); color: #e5ecfb; }
.chip-group + .chip-group { margin-top: 1.6rem; }
.chip-group h3 { font-size: 1rem; }

.cert-box { background: #fff; border-radius: var(--radius); padding: 1.5rem; display: grid; place-items: center; }
.cert-box img { width: min(360px, 100%); }
.norms { margin-top: 1.4rem; }

/* ---------- segments ---------- */
.seg-nav { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.6rem; }
.seg-nav a { padding: .5rem 1.05rem; border-radius: 999px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .28); color: #fff; font-size: .9rem; font-weight: 500; transition: background .2s; }
.seg-nav a:hover { background: rgba(255, 255, 255, .26); }
.segment { padding: clamp(2.5rem, 5vw, 4rem) 0; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.segment:last-of-type { border-bottom: 0; }
.segment .kicker { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.segment h2 { margin: .3rem 0 1rem; }
.segment .seg-lead { font-weight: 500; color: var(--ink); font-size: 1.05rem; margin-bottom: 1rem; }
.seg-groups { margin-top: 1.6rem; display: grid; gap: 1.2rem; }
.seg-group { background: var(--steel); border-radius: 12px; padding: 1.2rem 1.4rem; }
.seg-group h3 { font-size: 1rem; margin-bottom: .4rem; color: var(--navy-2); }
.seg-group p.intro { font-size: .93rem; margin-bottom: .6rem; }
.seg-group li { position: relative; padding-left: 1.2rem; font-size: .94rem; margin-top: .5rem; }
.seg-group li::before { content: ''; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 2px; background: var(--blue); }
.seg-group li b { color: var(--ink); }
.seg-icon-fallback { aspect-ratio: 4 / 3; border-radius: var(--radius); background: linear-gradient(135deg, var(--navy), var(--blue)); display: grid; place-items: center; }
.seg-icon-fallback svg { width: 96px; height: 96px; stroke: #fff; fill: none; stroke-width: 1.4; }

/* ---------- products ---------- */
.prod-card .card-img { aspect-ratio: 1 / 1; object-fit: contain; background: #f4f6fa; padding: .8rem; }
.note-box { margin-top: 2.4rem; padding: 1.5rem 1.7rem; border-radius: var(--radius); background: var(--navy); color: #d3def2; display: flex; gap: 1.5rem; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.note-box h3 { color: #fff; margin-bottom: .3rem; }

/* ---------- forms / contact ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.info-list { display: grid; gap: 1rem; margin-top: 1.6rem; }
.info-item { display: flex; gap: .9rem; align-items: flex-start; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.info-item[hidden] { display: none; }
.info-item svg { width: 22px; height: 22px; flex: none; margin-top: 2px; stroke: var(--blue); fill: none; stroke-width: 1.8; }
.info-item small { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.info-item a, .info-item span.val { font-weight: 600; color: var(--ink); word-break: break-word; }
.map { margin-top: 1.4rem; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.map img { width: 100%; }
.map figcaption { padding: .6rem 1rem; font-size: .85rem; color: var(--muted); background: #fff; }

form.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--shadow); display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .86rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit; padding: .75rem .9rem; border: 1.5px solid var(--line); border-radius: 9px; background: #fff; color: var(--ink);
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21, 96, 212, .15); }
.field input[type=file] { padding: .6rem; font-size: .9rem; }
.form-msg { display: none; padding: .85rem 1rem; border-radius: 9px; font-size: .92rem; background: #e8f3ff; color: var(--navy-2); }
.form-msg.show { display: block; }
.form small.hint { color: var(--muted); font-size: .8rem; }

/* ---------- CTA + footer ---------- */
.cta-band { background: linear-gradient(110deg, var(--navy), var(--blue)); color: #fff; padding: clamp(2.8rem, 5vw, 4rem) 0; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { color: #fff; max-width: 24ch; font-size: clamp(1.4rem, 2.6vw, 2rem); }
.cta-band p { color: #d3def2; margin-top: .6rem; }

.site-footer { background: #07122a; color: #9fb0d0; padding: 3.5rem 0 1.5rem; font-size: .93rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 1rem; }
.site-footer li + li { margin-top: .55rem; }
.site-footer a:hover { color: #fff; }
.footer-brand svg { height: 56px; width: auto; }
.footer-brand p { margin-top: 1rem; max-width: 38ch; }
.social { display: flex; gap: .6rem; margin-top: 1.2rem; }
.social a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: rgba(255, 255, 255, .08); transition: background .2s; }
.social a:hover { background: var(--blue); }
.social a[hidden] { display: none; }
.social svg { width: 20px; height: 20px; fill: #fff; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.3rem; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; font-size: .85rem; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .split, .split.reverse, .contact-grid { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav {
    position: absolute; top: 78px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch;
    padding: .8rem 1.25rem 1.2rem; border-bottom: 1px solid var(--line); box-shadow: 0 14px 24px rgba(10, 27, 61, .1);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: .8rem; }
  .nav a.cta { margin: .5rem 0 0; text-align: center; }
  .brand-text { display: block; }
}
@media (max-width: 560px) {
  .pillars, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .photo-pair { grid-template-columns: 1fr; }
  .photo-pair img:nth-child(2) { margin-top: 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .brand-text { display: none; }
}