/* ============================================================
   مصنع أرض بابل للمستلزمات الطبية — Ard Babel Medical Industries
   Global Stylesheet (RTL / Arabic-first)
   Brand: Navy #032F5B · Teal #0B9DA1 · Babylonian Gold #B4862C
   ============================================================ */

:root {
  --navy: #032F5B;
  --navy-700: #093c6f;
  --navy-600: #0f4d86;
  --navy-050: #eaf1f8;

  --teal: #0B9DA1;
  --teal-700: #0a868a;
  --teal-600: #0e9ea2;
  --teal-050: #e6f6f6;

  --gold: #B4862C;
  --gold-050: #f7efdd;

  --ink-900: #0a1f33;
  --ink-700: #33475b;
  --ink-500: #6b7c8d;
  --line: #e3e9ef;
  --sand: #f6f8fb;
  --white: #ffffff;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(3, 47, 91, .08), 0 1px 2px rgba(3, 47, 91, .05);
  --shadow-md: 0 14px 34px rgba(3, 47, 91, .12);
  --shadow-lg: 0 28px 64px rgba(3, 47, 91, .18);

  --container: 1200px;
  --font-ar: "Cairo", "Segoe UI", Tahoma, sans-serif;
  --font-lat: "Montserrat", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ar);
  color: var(--ink-700);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4 { color: var(--ink-900); line-height: 1.35; font-weight: 800; }
a { color: var(--teal-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--teal); }
img { max-width: 100%; display: block; }
.lat { font-family: var(--font-lat); font-weight: 600; letter-spacing: .02em; direction: ltr; unicode-bidi: isolate; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 28px; border-radius: 999px;
  font-family: var(--font-ar); font-weight: 700; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--teal); color: #fff; box-shadow: 0 10px 22px rgba(11,157,161,.30); }
.btn-primary:hover { background: var(--teal-700); color: #fff; transform: translateY(-2px); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-700); color: #fff; transform: translateY(-2px); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: #9d7526; color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-outline { border-color: var(--teal); color: var(--teal-700); background: #fff; }
.btn-outline:hover { background: var(--teal-050); color: var(--teal-700); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 82px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 50px; width: auto; }
.brand .brand-fallback { display: flex; flex-direction: column; line-height: 1.1; }
.brand .brand-fallback .n { font-family: var(--font-lat); font-weight: 700; color: var(--navy); font-size: 1.1rem; }
.brand .brand-fallback .s { font-size: .72rem; color: var(--ink-500); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--ink-700); font-weight: 600; font-size: 1rem;
  padding: 9px 15px; border-radius: 9px; transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--navy-050); color: var(--navy); }
.nav-links a.active { color: var(--navy); background: var(--navy-050); }
.nav-cta { margin-inline-start: 8px; }

/* Language switcher */
.lang-btn { display: inline-flex; align-items: center; gap: 7px; margin-inline-start: 6px; padding: 9px 16px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; color: var(--navy); font-family: var(--font-lat); font-weight: 700; font-size: .9rem; cursor: pointer; transition: border-color .2s, color .2s; }
.lang-btn:hover { border-color: var(--teal); color: var(--teal-700); }
.lang-btn svg { width: 17px; height: 17px; }

/* English typography */
html[lang="en"] body { font-family: var(--font-lat); line-height: 1.7; }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3, html[lang="en"] h4 { font-family: var(--font-lat); font-weight: 700; }
html[lang="en"] .kicker, html[lang="en"] .btn, html[lang="en"] .pill, html[lang="en"] .field label { font-family: var(--font-lat); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 46px; height: 46px; flex-direction: column; justify-content: center; gap: 5px; align-items: center; }
.nav-toggle span { width: 26px; height: 2px; background: var(--navy); border-radius: 2px; transition: .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); }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(115deg, rgba(3,47,91,.96) 0%, rgba(9,60,111,.90) 48%, rgba(11,157,161,.74) 100%),
    url("../assets/img/photo-line.jpg") center 30% / cover no-repeat,
    var(--navy);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64'%3E%3Cpath d='M32 0v64M0 32h64' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/%3E%3C/svg%3E");
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; padding: 92px 0 100px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.24);
  padding: 8px 18px; border-radius: 999px; font-size: .9rem; font-weight: 600; margin-bottom: 22px;
}
.hero .eyebrow b { color: var(--gold); font-weight: 800; }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.2vw, 3.2rem); letter-spacing: -.3px; }
.hero h1 span { color: #6fe0e3; }
.hero p.lead { color: rgba(255,255,255,.92); font-size: 1.16rem; margin: 22px 0 34px; max-width: 600px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats .stat .num { font-family: var(--font-lat); font-size: 2.1rem; font-weight: 800; color: #fff; direction: ltr; }
.hero-stats .stat .num b { color: var(--gold); font-weight: 800; }
.hero-stats .stat .lbl { font-size: .88rem; color: rgba(255,255,255,.8); }

.hero-card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); border-radius: 22px; padding: 10px; box-shadow: var(--shadow-lg); }
.hero-card .panel { background: linear-gradient(180deg, #fff, #f2f8fb); border-radius: 15px; padding: 28px; color: var(--ink-700); }
.hero-card h3 { color: var(--navy); margin-bottom: 16px; font-size: 1.15rem; }
.hero-card ul { list-style: none; display: grid; gap: 13px; }
.hero-card li { display: flex; gap: 12px; align-items: flex-start; font-size: .98rem; }
.hero-card li .tick { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--teal-050); color: var(--teal-700); display: grid; place-items: center; font-size: .8rem; font-weight: 800; margin-top: 3px; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section.tint { background: var(--sand); }
.section.navy { background: var(--navy); color: rgba(255,255,255,.85); }
.section.navy h2, .section.navy h3 { color: #fff; }
.section-head { max-width: 760px; margin-bottom: 50px; }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker { display: inline-block; color: var(--teal-700); font-weight: 800; font-size: .85rem; letter-spacing: 1px; margin-bottom: 14px; }
.kicker::before { content: "▪ "; color: var(--gold); }
.section.navy .kicker { color: #6fe0e3; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.section-head p { margin-top: 14px; color: var(--ink-500); font-size: 1.08rem; }
.section.navy .section-head p { color: rgba(255,255,255,.8); }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s, border-color .25s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--teal-050); }
.card .icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, var(--navy-050), #dbe8f5); color: var(--navy); display: grid; place-items: center; margin-bottom: 20px; }
.card .icon.t { background: linear-gradient(135deg, var(--teal-050), #cdeced); color: var(--teal-700); }
.card .icon.g { background: linear-gradient(135deg, var(--gold-050), #f0e0bf); color: var(--gold); }
.card .icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.2rem; margin-bottom: 9px; }
.card p { font-size: .98rem; color: var(--ink-500); }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.visual { border-radius: 20px; min-height: 400px; background: linear-gradient(160deg, rgba(3,47,91,.08), rgba(11,157,161,.12)), var(--navy-050); border: 1px solid var(--line); position: relative; overflow: hidden; box-shadow: var(--shadow-md); }
/* Real photography inside a split visual */
.visual.photo { background: var(--navy); min-height: 440px; }
.visual.photo > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.visual.photo::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(205deg, rgba(3,47,91,.34), rgba(3,47,91,.03) 46%, rgba(11,157,161,.24)); }
.badge-float { position: absolute; z-index: 2; background: #fff; border-radius: 16px; padding: 16px 22px; box-shadow: var(--shadow-md); border: 1px solid var(--line); }
.badge-float .big { font-family: var(--font-lat); font-size: 1.7rem; font-weight: 800; color: var(--navy); direction: ltr; }
.badge-float .big.t { color: var(--teal-700); }
.badge-float .small { font-size: .8rem; color: var(--ink-500); }

.check-list { list-style: none; display: grid; gap: 14px; margin-top: 24px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list li .tick { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: .8rem; margin-top: 3px; }
.check-list.navy-tick li .tick { background: var(--navy); }
.check-list.gold-tick li .tick { background: var(--gold); }

/* ---------- Product cards ---------- */
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column; color: inherit; }
a.product-card:hover { color: inherit; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card .thumb { height: 150px; display: grid; place-items: center; background: linear-gradient(135deg, var(--navy), var(--teal-700)); color: #fff; position: relative; }
.product-card:nth-child(3n+2) .thumb { background: linear-gradient(135deg, var(--teal-700), var(--navy-600)); }
.product-card:nth-child(3n) .thumb { background: linear-gradient(135deg, var(--navy-700), var(--teal)); }
.product-card .thumb svg { width: 60px; height: 60px; opacity: .96; }
.product-card .body { padding: 24px; display: flex; flex-direction: column; flex: 1; position: relative; z-index: 2; background: var(--white); }
.product-card .tag { align-self: flex-start; font-size: .74rem; font-weight: 800; color: var(--teal-700); background: var(--teal-050); padding: 5px 12px; border-radius: 999px; margin-bottom: 13px; }
.product-card h3 { font-size: 1.18rem; margin-bottom: 9px; }
.product-card p { font-size: .95rem; color: var(--ink-500); margin-bottom: 15px; }
.product-card ul { list-style: none; margin-top: auto; display: grid; gap: 7px; }
.product-card ul li { font-size: .9rem; color: var(--ink-700); padding-inline-start: 20px; position: relative; }
.product-card ul li::before { content: "•"; position: absolute; inset-inline-start: 5px; color: var(--teal); font-weight: 800; }

/* Catalogue product photo thumbnail (cut-outs taken from the product catalogues) */
.product-card .thumb.shot { height: 200px; background: linear-gradient(160deg, #fbfdff, var(--navy-050)); padding: 16px; }
.product-card .thumb.shot img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.product-card .thumb.shot::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 -1px 0 var(--line); pointer-events: none; }
.product-card:nth-child(3n+2) .thumb.shot,
.product-card:nth-child(3n) .thumb.shot { background: linear-gradient(160deg, #fbfdff, var(--teal-050)); }

/* ---------- Stats band ---------- */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band .stat .num { font-family: var(--font-lat); font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; color: #fff; direction: ltr; }
.stats-band .stat .num b { color: var(--gold); }
.stats-band .stat .lbl { color: rgba(255,255,255,.82); font-size: .95rem; margin-top: 6px; }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process .step .n { width: 50px; height: 50px; border-radius: 14px; background: var(--navy); color: #fff; display: grid; place-items: center; font-family: var(--font-lat); font-weight: 800; font-size: 1.2rem; margin-bottom: 18px; box-shadow: var(--shadow-sm); }
.process .step:nth-child(2) .n { background: var(--teal); }
.process .step:nth-child(3) .n { background: var(--gold); }
.process .step:nth-child(4) .n { background: var(--navy-600); }
.process .step h3 { font-size: 1.1rem; margin-bottom: 7px; }
.process .step p { font-size: .95rem; color: var(--ink-500); }

/* ---------- Certifications ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 20px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.cert:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cert .seal { width: 72px; height: 72px; margin: 0 auto 15px; border-radius: 50%; border: 3px solid var(--teal); display: grid; place-items: center; color: var(--navy); font-family: var(--font-lat); font-weight: 800; font-size: .95rem; background: var(--teal-050); }
.cert:nth-child(2) .seal { border-color: var(--gold); background: var(--gold-050); }
.cert:nth-child(4) .seal { border-color: var(--navy); background: var(--navy-050); }
.cert h4 { font-size: 1.02rem; }
.cert p { font-size: .86rem; color: var(--ink-500); margin-top: 4px; }

/* ---------- Zones (facility) ---------- */
.zones { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.zone { background: #fff; border: 1px solid var(--line); border-inline-start: 4px solid var(--teal); border-radius: 12px; padding: 20px; box-shadow: var(--shadow-sm); display: flex; gap: 14px; align-items: center; }
.zone:nth-child(2n) { border-inline-start-color: var(--navy); }
.zone:nth-child(3n) { border-inline-start-color: var(--gold); }
.zone .zi { flex: none; width: 42px; height: 42px; border-radius: 11px; background: var(--navy-050); color: var(--navy); display: grid; place-items: center; }
.zone h4 { font-size: 1rem; }
.zone p { font-size: .82rem; color: var(--ink-500); }

/* ---------- Pill list ---------- */
.pills { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.pill { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 10px 20px; font-weight: 700; color: var(--navy); box-shadow: var(--shadow-sm); font-size: .95rem; }
.pill.t { color: var(--teal-700); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(115deg, var(--navy), var(--teal-700)); color: #fff; border-radius: 24px; padding: 56px 50px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset-inline-end: -60px; top: -60px; width: 240px; height: 240px; border-radius: 50%; background: rgba(180,134,44,.25); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta-band p { color: rgba(255,255,255,.88); margin-top: 8px; max-width: 580px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; gap: 16px; align-items: flex-start; box-shadow: var(--shadow-sm); margin-bottom: 18px; }
.info-card .ic { flex: none; width: 48px; height: 48px; border-radius: 13px; background: var(--navy-050); color: var(--navy); display: grid; place-items: center; }
.info-card h4 { font-size: 1.05rem; margin-bottom: 4px; }
.info-card p { font-size: .96rem; color: var(--ink-500); }
.info-card p.lat { color: var(--ink-700); }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .92rem; font-weight: 700; color: var(--ink-900); margin-bottom: 8px; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 11px; font-family: var(--font-ar); font-size: 1rem; color: var(--ink-900); background: #fbfcfe; transition: border-color .2s, box-shadow .2s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(11,157,161,.15); background: #fff; }
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: .84rem; color: var(--ink-500); margin-top: 6px; }
.form-success { display: none; background: var(--teal-050); border: 1px solid #b6e2e3; color: var(--teal-700); padding: 15px 18px; border-radius: 11px; font-weight: 600; margin-bottom: 18px; }
.form-success.show { display: block; }

/* ---------- Page hero ---------- */
.page-hero { background: linear-gradient(115deg, rgba(3,47,91,.95), rgba(9,60,111,.92) 60%, rgba(10,134,138,.86)), url("../assets/img/photo-scientist.jpg") center 40% / cover no-repeat, var(--navy); color: #fff; padding: 74px 0 80px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset-inline-end: -40px; bottom: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(180,134,44,.18); }
.page-hero .crumbs { font-size: .9rem; color: rgba(255,255,255,.72); margin-bottom: 12px; position: relative; z-index: 1; }
.page-hero .crumbs a { color: rgba(255,255,255,.88); }
.page-hero h1 { color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); position: relative; z-index: 1; }
.page-hero p { color: rgba(255,255,255,.88); margin-top: 12px; max-width: 680px; font-size: 1.1rem; position: relative; z-index: 1; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(255,255,255,.72); padding: 68px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 40px; }
.site-footer .brand img { height: 54px; }
.site-footer p.about { margin-top: 18px; font-size: .95rem; max-width: 340px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,.72); font-size: .95rem; padding: 5px 0; }
.footer-col a:hover { color: #6fe0e3; }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; gap: 10px; font-size: .95rem; padding: 6px 0; align-items: flex-start; }
.footer-contact li svg { flex: none; margin-top: 4px; color: var(--gold); }
.footer-contact li a { color: rgba(255,255,255,.8); }
.footer-bottom { margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .88rem; color: rgba(255,255,255,.55); }
.socials { display: flex; gap: 10px; }
.socials a { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.08); display: grid; place-items: center; color: #fff; transition: background .2s; }
.socials a:hover { background: var(--teal); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 42px; padding: 66px 0 74px; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .grid-4, .cert-grid, .zones { grid-template-columns: repeat(2, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .nav-links { position: fixed; inset: 82px 0 auto 0; flex-direction: column; align-items: stretch; background: #fff; padding: 12px 20px 22px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); transform: translateY(-150%); transition: transform .3s ease; gap: 2px; }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 12px; }
  .nav-cta { margin: 8px 0 0; }
  .btn { width: 100%; justify-content: center; }
  .hero-actions .btn { width: auto; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 28px; justify-content: center; text-align: center; }
  .section { padding: 66px 0; }
}
@media (max-width: 480px) {
  .grid-4, .cert-grid, .zones, .stats-band, .process { grid-template-columns: 1fr; }
  .hero-stats { gap: 26px; }
  .brand img { height: 42px; }
}