/* =====================================================================
   ЭлектроСтройСервис (ЭСС) — Premium Corporate Energy Website
   Design system / stylesheet
   Palette: deep navy, electric blue, brand orange (logo), white, gray
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Brand */
  --navy-900: #070b16;
  --navy-800: #0b1020;
  --navy-700: #0f1a33;
  --navy-600: #16233f;
  --navy-500: #1e2d4d;

  --electric: #2d7df0;
  --electric-light: #4f9bff;
  --electric-glow: rgba(45, 125, 240, .35);

  --accent: #ee7b1f;       /* logo orange */
  --accent-light: #ff9540;
  --accent-glow: rgba(238, 123, 31, .35);

  --white: #ffffff;
  --gray-50: #f6f8fb;
  --gray-100: #eef2f7;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;

  /* Semantic */
  --bg: #ffffff;
  --bg-soft: var(--gray-50);
  --text: #0c1424;
  --text-soft: #4a5876;
  --text-on-dark: rgba(255, 255, 255, .82);
  --border: rgba(15, 26, 51, .10);
  --border-dark: rgba(255, 255, 255, .12);

  /* Layout */
  --container: 1240px;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --shadow-sm: 0 2px 8px rgba(12, 20, 36, .06);
  --shadow: 0 14px 40px rgba(12, 20, 36, .10);
  --shadow-lg: 0 30px 70px rgba(12, 20, 36, .16);
  --shadow-glow: 0 18px 50px var(--electric-glow);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --t-fast: .25s var(--ease);
  --t: .45s var(--ease);

  --font: "Inter", "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Sora", "Inter", system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
::selection { background: var(--accent); color: #fff; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; color: var(--text); }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
p { color: var(--text-soft); }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { position: relative; }
.section-pad { padding: clamp(64px, 9vw, 130px) 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font);
  font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--electric);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); display: inline-block; }
.on-dark .eyebrow { color: var(--electric-light); }

.section-head { max-width: 740px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .lead { margin-top: 18px; font-size: 1.1rem; }
.on-dark, .on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 { color: #fff; }
.on-dark p { color: var(--text-on-dark); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font); font-weight: 600; font-size: .98rem;
  padding: 15px 28px; border-radius: 100px;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  position: relative; white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform var(--t-fast); }
.btn:hover { transform: translateY(-2px); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 12px 30px var(--accent-glow); }
.btn-primary:hover { background: var(--accent-light); box-shadow: 0 16px 40px var(--accent-glow); }
.btn-electric { background: var(--electric); color: #fff; box-shadow: 0 12px 30px var(--electric-glow); }
.btn-electric:hover { background: var(--electric-light); }
.btn-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.25); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.16); }
.btn-outline { border: 1.5px solid var(--border); color: var(--text); background: #fff; }
.btn-outline:hover { border-color: var(--electric); color: var(--electric); }
.btn-lg { padding: 17px 34px; font-size: 1.02rem; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy-900); color: rgba(255,255,255,.7);
  font-size: .82rem; border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 42px; gap: 16px; }
.topbar a { color: rgba(255,255,255,.75); transition: color var(--t-fast); }
.topbar a:hover { color: var(--accent-light); }
.topbar-left { display: flex; gap: 24px; align-items: center; }
.topbar-left span { display: inline-flex; align-items: center; gap: 7px; }
.topbar-left svg { width: 14px; height: 14px; color: var(--accent); }
.topbar-right { display: flex; gap: 18px; align-items: center; }

/* ---------- Header / nav ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--t-fast), background var(--t-fast);
}
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 38px; width: auto; }
.brand .brand-fallback { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; letter-spacing: -.01em; }
.brand .brand-fallback .o { color: var(--accent); }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 15px; border-radius: 10px; font-weight: 500; font-size: .95rem; color: var(--text);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-menu > li > a:hover { color: var(--electric); background: var(--gray-50); }
.nav-menu .caret { width: 14px; height: 14px; opacity: .6; transition: transform var(--t-fast); }
.has-mega { position: relative; }
.has-mega:hover .caret { transform: rotate(180deg); }

/* Mega dropdown */
.mega {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(10px);
  width: min(720px, 94vw); background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 16px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  opacity: 0; visibility: hidden; transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
}
.has-mega:hover .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega-item { display: flex; align-items: center; gap: 13px; padding: 12px 14px; border-radius: var(--radius-sm); transition: background var(--t-fast); }
.mega-item:hover { background: var(--gray-50); }
.mega .ic { flex: 0 0 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(45,125,240,.12), rgba(238,123,31,.12)); color: var(--electric); }
.mega .ic svg { width: 20px; height: 20px; }
/* stack title over description (fixes inline overlap) */
.mega-txt { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.mega .mt { display: block; font-weight: 600; font-size: .92rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mega .md { display: block; font-size: .78rem; color: var(--gray-500); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.nav-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { display: inline-flex; background: var(--gray-100); border-radius: 100px; padding: 4px; }
.lang-switch button { padding: 6px 12px; border-radius: 100px; font-size: .8rem; font-weight: 700; color: var(--gray-500); transition: all var(--t-fast); }
.lang-switch button.active { background: #fff; color: var(--navy-700); box-shadow: var(--shadow-sm); }

.burger { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; border-radius: 12px; align-items: center; justify-content: center; }
.burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--t-fast); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  background: linear-gradient(180deg, rgba(7,11,22,.78) 0%, rgba(7,11,22,.55) 45%, rgba(7,11,22,.86) 100%),
              url("https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?q=80&w=2400&auto=format&fit=crop") center/cover fixed;
  color: #fff; overflow: hidden; padding: 60px 0;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(1100px 520px at 78% 18%, var(--electric-glow), transparent 60%),
              radial-gradient(800px 420px at 8% 92%, rgba(238,123,31,.20), transparent 60%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 880px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 8px 16px; border-radius: 100px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(8px);
  font-size: .82rem; font-weight: 600; letter-spacing: .02em; margin-bottom: 26px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52,211,153,.25); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ box-shadow: 0 0 0 4px rgba(52,211,153,.25);} 50%{ box-shadow: 0 0 0 8px rgba(52,211,153,0);} }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.6rem); line-height: 1.04; color: #fff; }
.hero h1 .grad { background: linear-gradient(100deg, var(--electric-light), var(--accent-light)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero .sub { margin-top: 24px; font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: rgba(255,255,255,.86); max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero-trust { margin-top: 46px; display: flex; flex-wrap: wrap; gap: 28px 40px; align-items: center; }
.hero-trust .ht { display: flex; align-items: center; gap: 12px; }
.hero-trust .ht svg { width: 26px; height: 26px; color: var(--accent-light); flex: 0 0 auto; }
.hero-trust .ht b { display: block; font-size: 1.05rem; color: #fff; font-family: var(--font-display); }
.hero-trust .ht span { font-size: .82rem; color: rgba(255,255,255,.65); }
.scroll-ind { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.6); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.scroll-ind .mouse { width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.4); border-radius: 14px; position: relative; }
.scroll-ind .mouse::after { content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%); width: 4px; height: 7px; background: #fff; border-radius: 2px; animation: scrolldot 1.7s infinite; }
@keyframes scrolldot { 0%{opacity:1; top:7px;} 70%{opacity:0; top:18px;} 100%{opacity:0;} }

/* ---------- Stats ---------- */
.stats { background: var(--navy-800); position: relative; margin-top: -1px; }
.stats::before { content:""; position:absolute; inset:0; background: radial-gradient(700px 300px at 85% 0%, var(--electric-glow), transparent 60%); }
.stats .container { position: relative; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: clamp(50px,6vw,72px) 0; }
.stat { text-align: center; padding: 10px; border-right: 1px solid rgba(255,255,255,.08); }
.stat:last-child { border-right: none; }
.stat .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 4.5vw, 3.6rem); line-height: 1;
  background: linear-gradient(120deg,#fff, var(--electric-light)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .num .suf { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.stat .lbl { margin-top: 12px; color: rgba(255,255,255,.7); font-size: .95rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.about-media { position: relative; }
.about-media .main-img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); aspect-ratio: 4/3.4; object-fit: cover; width: 100%; }
.about-media .badge-card {
  position: absolute; left: -22px; bottom: -26px; background: #fff; border-radius: var(--radius);
  padding: 22px 26px; box-shadow: var(--shadow-lg); display: flex; gap: 16px; align-items: center; max-width: 290px; border: 1px solid var(--border);
}
.about-media .badge-card .ic { width: 52px; height: 52px; flex: 0 0 auto; border-radius: 14px; display: grid; place-items: center; background: var(--navy-800); color: var(--accent); }
.about-media .badge-card .ic svg { width: 26px; height: 26px; }
.about-media .badge-card b { font-family: var(--font-display); font-size: 1.05rem; display: block; }
.about-media .badge-card span { font-size: .82rem; color: var(--gray-500); }
.about-list { display: grid; gap: 16px; margin-top: 28px; }
.about-list li { display: flex; gap: 13px; align-items: flex-start; }
.about-list .tick { flex: 0 0 24px; height: 24px; border-radius: 7px; background: rgba(45,125,240,.12); color: var(--electric); display: grid; place-items: center; margin-top: 2px; }
.about-list .tick svg { width: 14px; height: 14px; }
.about-list b { color: var(--text); font-weight: 600; }
.about-cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 16px 30px; align-items: center; }
.sig { display: flex; align-items: center; gap: 14px; }
.sig .av { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
.sig b { display: block; font-family: var(--font-display); }
.sig span { font-size: .85rem; color: var(--gray-500); }

/* ---------- Services ---------- */
.services { background: var(--bg-soft); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 30px; transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  position: relative; overflow: hidden;
}
.svc-card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; background: linear-gradient(90deg,var(--electric),var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform var(--t); }
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-card:hover::before { transform: scaleX(1); }
.svc-ic { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 22px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); color: var(--accent); transition: transform var(--t); }
.svc-card:hover .svc-ic { transform: rotate(-6deg) scale(1.05); }
.svc-ic svg { width: 30px; height: 30px; }
.svc-card h3 { font-size: 1.28rem; margin-bottom: 10px; }
.svc-card p { font-size: .95rem; }
.svc-card .svc-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.svc-card .svc-tags span { font-size: .76rem; color: var(--gray-600); background: var(--gray-100); padding: 5px 11px; border-radius: 100px; }
.svc-card .more { display: inline-flex; align-items: center; gap: 7px; margin-top: 20px; font-weight: 600; font-size: .9rem; color: var(--electric); }
.svc-card .more svg { width: 16px; height: 16px; transition: transform var(--t-fast); }
.svc-card:hover .more svg { transform: translateX(4px); }

/* ---------- Why choose us ---------- */
.why { background: var(--navy-900); color: #fff; overflow: hidden; }
.why::before { content:""; position:absolute; inset:0; background:
  radial-gradient(700px 400px at 90% 10%, var(--electric-glow), transparent 60%),
  radial-gradient(600px 360px at 5% 95%, rgba(238,123,31,.16), transparent 60%); }
.why .container { position: relative; }
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.why-card { border: 1px solid rgba(255,255,255,.10); border-radius: var(--radius-lg); padding: 30px;
  background: rgba(255,255,255,.03); transition: background var(--t), transform var(--t), border-color var(--t); }
.why-card:hover { background: rgba(255,255,255,.06); transform: translateY(-6px); border-color: rgba(255,255,255,.2); }
.why-card .n { font-family: var(--font-display); font-size: .9rem; color: var(--accent); font-weight: 700; letter-spacing: .1em; }
.why-card .ic { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; margin: 16px 0 18px;
  background: linear-gradient(135deg, rgba(45,125,240,.2), rgba(238,123,31,.18)); color: var(--electric-light); }
.why-card .ic svg { width: 28px; height: 28px; }
.why-card h3 { color: #fff; font-size: 1.18rem; margin-bottom: 9px; }
.why-card p { color: rgba(255,255,255,.7); font-size: .92rem; }

/* ---------- Projects ---------- */
.proj-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.proj-filters button { padding: 9px 18px; border-radius: 100px; font-size: .88rem; font-weight: 600; color: var(--gray-600); background: var(--gray-100); transition: all var(--t-fast); }
.proj-filters button.active { background: var(--navy-800); color: #fff; }
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 280px; gap: 20px; }
.proj-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; box-shadow: var(--shadow-sm); }
.proj-card.tall { grid-row: span 2; }
.proj-card.wide { grid-column: span 2; }
.proj-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.proj-card::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, transparent 35%, rgba(7,11,22,.86)); }
.proj-card:hover img { transform: scale(1.08); }
.proj-meta { position: absolute; inset: auto 0 0 0; padding: 26px; z-index: 2; transform: translateY(8px); transition: transform var(--t); }
.proj-card:hover .proj-meta { transform: translateY(0); }
.proj-meta .cat { font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-light); }
.proj-meta h3 { color: #fff; font-size: 1.25rem; margin-top: 8px; }
.proj-meta .loc { color: rgba(255,255,255,.72); font-size: .85rem; margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.proj-meta .loc svg { width: 14px; height: 14px; }

/* ---------- Equipment ---------- */
.equip { background: var(--bg-soft); }
.equip-track { display: flex; gap: 22px; overflow-x: auto; padding: 6px 4px 22px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.equip-track::-webkit-scrollbar { height: 8px; }
.equip-track::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 8px; }
.equip-card { flex: 0 0 320px; scroll-snap-align: start; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: transform var(--t), box-shadow var(--t); }
.equip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.equip-card .ph { aspect-ratio: 16/11; overflow: hidden; position: relative; }
.equip-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t); }
.equip-card:hover .ph img { transform: scale(1.07); }
.equip-card .ph .tag { position: absolute; top: 14px; left: 14px; background: rgba(7,11,22,.7); color: #fff; font-size: .74rem; font-weight: 600; padding: 6px 12px; border-radius: 100px; backdrop-filter: blur(6px); }
.equip-card .bd { padding: 22px; }
.equip-card h3 { font-size: 1.12rem; }
.equip-card .spec { display: flex; gap: 18px; margin: 14px 0; }
.equip-card .spec div span { font-size: .72rem; color: var(--gray-500); display: block; }
.equip-card .spec div b { font-size: .95rem; color: var(--text); }
.equip-card .rent { display: inline-flex; align-items: center; gap: 7px; color: var(--electric); font-weight: 600; font-size: .9rem; }

/* ---------- Lab (split) ---------- */
.lab-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px,6vw,72px); align-items: center; }
.lab-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.lab-media img { width: 100%; aspect-ratio: 5/5.4; object-fit: cover; }
.lab-media .float { position: absolute; right: 18px; top: 18px; background: rgba(7,11,22,.78); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.14); color: #fff; border-radius: var(--radius); padding: 16px 20px; }
.lab-media .float b { font-family: var(--font-display); font-size: 1.5rem; display: block; }
.lab-media .float span { font-size: .78rem; color: rgba(255,255,255,.7); }
.lab-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 30px; }
.lab-feat { display: flex; gap: 13px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius); transition: border-color var(--t), box-shadow var(--t); }
.lab-feat:hover { border-color: var(--electric); box-shadow: var(--shadow-sm); }
.lab-feat .ic { flex: 0 0 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(45,125,240,.1); color: var(--electric); }
.lab-feat .ic svg { width: 22px; height: 22px; }
.lab-feat b { font-size: .98rem; display: block; }
.lab-feat span { font-size: .84rem; color: var(--gray-500); }

/* ---------- Safety ---------- */
.safety { background: var(--navy-800); color: #fff; overflow: hidden; }
.safety::before { content:""; position:absolute; inset:0; background: radial-gradient(800px 400px at 15% 30%, rgba(238,123,31,.16), transparent 60%); }
.safety .container { position: relative; }
.safety-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px,6vw,72px); align-items: center; }
.safety-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.safety-stats .s { padding: 26px; border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); background: rgba(255,255,255,.03); }
.safety-stats .s b { font-family: var(--font-display); font-size: 2.4rem; color: var(--accent); display: block; }
.safety-stats .s span { color: rgba(255,255,255,.72); font-size: .9rem; }
.cert-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cert-row .chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 100px; font-size: .85rem; color: rgba(255,255,255,.85); }
.cert-row .chip svg { width: 16px; height: 16px; color: var(--electric-light); }

/* ---------- Partners ---------- */
.partners { padding: 60px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.partners .ttl { text-align: center; color: var(--gray-500); font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; margin-bottom: 34px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 60px; width: max-content; animation: marquee 32s linear infinite; align-items: center; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-track .logo { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; color: var(--gray-400); white-space: nowrap; transition: color var(--t-fast); letter-spacing: -.01em; }
.marquee-track .logo:hover { color: var(--navy-700); }

/* ---------- Testimonials ---------- */
.testi { background: var(--bg-soft); }
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.testi-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column; transition: transform var(--t), box-shadow var(--t); }
.testi-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.testi-card .stars { display: flex; gap: 3px; color: var(--accent); margin-bottom: 16px; }
.testi-card .stars svg { width: 18px; height: 18px; }
.testi-card .quote { font-size: 1.02rem; color: var(--text); line-height: 1.7; flex: 1; }
.testi-card .who { display: flex; align-items: center; gap: 13px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--border); }
.testi-card .who .av { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg,var(--navy-700),var(--electric)); color:#fff; display:grid; place-items:center; font-family: var(--font-display); font-weight: 700; }
.testi-card .who b { display: block; font-size: .96rem; }
.testi-card .who span { font-size: .82rem; color: var(--gray-500); }

/* ---------- CTA banner ---------- */
.cta-banner { padding: clamp(56px,7vw,90px) 0; }
.cta-box { position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: clamp(40px,6vw,72px);
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600)); color: #fff;
  display: flex; flex-wrap: wrap; gap: 30px; align-items: center; justify-content: space-between; }
.cta-box::before { content:""; position:absolute; inset:0; background:
  radial-gradient(600px 300px at 90% 20%, var(--electric-glow), transparent 60%),
  radial-gradient(500px 280px at 5% 100%, rgba(238,123,31,.25), transparent 60%); }
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 { color: #fff; font-size: clamp(1.7rem,3.4vw,2.6rem); max-width: 640px; }
.cta-box p { color: rgba(255,255,255,.8); margin-top: 12px; max-width: 560px; }
.cta-box .acts { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(36px,5vw,56px); }
.contact-info .ci { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.contact-info .ci:first-of-type { padding-top: 0; }
.contact-info .ic { flex: 0 0 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: var(--navy-800); color: var(--accent); }
.contact-info .ic svg { width: 24px; height: 24px; }
.contact-info .ci span { font-size: .82rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: .06em; }
.contact-info .ci b { font-size: 1.1rem; font-family: var(--font-display); display: block; margin-top: 3px; }
.contact-info .ci a { color: var(--text); transition: color var(--t-fast); }
.contact-info .ci a:hover { color: var(--electric); }
.contact-info .ic.ic-accent { background: var(--accent); color: #fff; }
/* Small inline WhatsApp chip next to each phone */
.ci-wa { margin-top: 8px; }
.wa-chip { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font); font-size: .8rem; font-weight: 600;
  padding: 5px 11px 5px 9px; border-radius: 100px; background: rgba(37,211,102,.12); color: #1d9e54 !important;
  border: 1px solid rgba(37,211,102,.30); transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast); }
.wa-chip svg { width: 15px; height: 15px; }
.wa-chip:hover { background: #25d366; color: #fff !important; transform: translateY(-1px); }
.contact-social { display: flex; gap: 12px; margin-top: 26px; }
.contact-social a { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--gray-100); color: var(--navy-700); transition: all var(--t-fast); }
.contact-social a:hover { background: var(--navy-800); color: #fff; transform: translateY(-3px); }
.contact-social a.wa:hover { background: #25d366; }
.contact-social svg { width: 20px; height: 20px; }
/* Footer social row */
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.8); transition: all var(--t-fast); }
.footer-social a svg { width: 19px; height: 19px; }
.footer-social a:hover { background: rgba(255,255,255,.12); color: #fff; transform: translateY(-3px); }
.footer-social a.wa:hover { background: #25d366; border-color: #25d366; color: #fff; }

.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(26px,3.5vw,40px); 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: .85rem; font-weight: 600; margin-bottom: 7px; color: var(--text); }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; font-size: .95rem; color: var(--text); background: var(--gray-50); transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--electric); background: #fff; box-shadow: 0 0 0 4px rgba(45,125,240,.12); }
.form-consent { display: flex; gap: 10px; align-items: flex-start; font-size: .82rem; color: var(--gray-500); margin: 6px 0 18px; }
.form-consent input { margin-top: 3px; }
.form-note { margin-top: 14px; font-size: .85rem; color: var(--gray-500); text-align: center; }
.form-success { display: none; padding: 16px; border-radius: var(--radius-sm); background: rgba(52,211,153,.12); color: #0f7a52; font-weight: 600; font-size: .92rem; margin-top: 14px; }
.form-success.show { display: block; }

.map-wrap { margin-top: 56px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; filter: grayscale(.2) contrast(1.05); }

/* ---------- Footer ---------- */
.footer { background: var(--navy-900); color: rgba(255,255,255,.65); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer .brand img { height: 42px; }
.footer .f-about { margin-top: 20px; font-size: .92rem; max-width: 320px; line-height: 1.7; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 20px; font-family: var(--font-display); }
.footer ul li { margin-bottom: 12px; }
.footer ul a { font-size: .92rem; transition: color var(--t-fast), padding var(--t-fast); display: inline-block; }
.footer ul a:hover { color: var(--accent-light); padding-left: 5px; }
.footer .f-contact li { display: flex; gap: 11px; margin-bottom: 15px; font-size: .92rem; align-items: flex-start; }
.footer .f-contact svg { width: 17px; height: 17px; color: var(--accent); flex: 0 0 auto; margin-top: 3px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding: 26px 0; font-size: .85rem; }
.footer-bottom a:hover { color: var(--accent-light); }

/* ---------- Back to top ---------- */
.to-top { position: fixed; right: 24px; bottom: 24px; width: 50px; height: 50px; border-radius: 14px; background: var(--accent); color: #fff; display: grid; place-items: center; box-shadow: 0 12px 30px var(--accent-glow); opacity: 0; visibility: hidden; transform: translateY(12px); transition: all var(--t); z-index: 90; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; } .reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .hero { background-attachment: scroll; } * { animation: none !important; } }

/* ---------- Mobile nav panel ---------- */
.mobile-panel { position: fixed; inset: 0; z-index: 200; background: var(--navy-900); color: #fff; transform: translateX(100%); transition: transform var(--t); display: flex; flex-direction: column; padding: 24px; overflow-y: auto; }
.mobile-panel.open { transform: translateX(0); }
.mobile-panel .mp-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.mobile-panel .mp-top img { height: 36px; }
.mobile-panel .mp-close { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.1); color: #fff; display: grid; place-items: center; font-size: 1.6rem; }
.mobile-panel nav a { display: block; padding: 16px 0; font-size: 1.2rem; font-family: var(--font-display); border-bottom: 1px solid rgba(255,255,255,.08); }
.mobile-panel .mp-actions { margin-top: auto; padding-top: 24px; display: grid; gap: 12px; }
.body-lock { overflow: hidden; }

/* ---------- Responsive ---------- */
/* Tablet/laptop: keep full nav but tighten spacing so 6 items + actions fit */
@media (max-width: 1180px) {
  .nav { gap: 12px; }
  .nav-menu { gap: 0; }
  .nav-menu > li > a { padding: 10px 11px; font-size: .9rem; }
  .mega { width: min(640px, 94vw); }
}
@media (max-width: 1080px) {
  .services-grid, .why-grid, .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .proj-card.wide { grid-column: span 2; }
}
@media (max-width: 980px) {
  .mega { grid-template-columns: 1fr; width: min(420px, 94vw); }
}
@media (max-width: 920px) {
  .nav-menu, .nav-actions > .btn, .topbar-left span.hide-sm { display: none; }
  .burger { display: flex; }
  .about-grid, .lab-grid, .safety-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat { border-bottom: 1px solid rgba(255,255,255,.08); padding-bottom: 24px; }
  .footer-grid { gap: 34px; }
  .lab-media { order: -1; }
}
@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .services-grid, .why-grid, .testi-grid, .lab-feats, .safety-stats, .form-row { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .proj-card.wide, .proj-card.tall { grid-column: auto; grid-row: auto; }
  .hero { min-height: 88vh; background-attachment: scroll; }
  .hero-trust { gap: 18px 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .topbar-left { gap: 14px; }
  .footer .f-about { max-width: none; }
}