:root {
  --navy: #0A2540;
  --navy-2: #11365C;
  --sky: #0EA5E9;
  --sky-2: #38BDF8;
  --ice: #E0F2FE;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --text: #0F172A;
  --muted: #64748B;
  --line: #E2E8F0;
  --accent: #F59E0B;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md: 0 4px 6px -1px rgba(15,23,42,.07), 0 2px 4px -2px rgba(15,23,42,.05);
  --shadow-lg: 0 20px 25px -5px rgba(15,23,42,.10), 0 8px 10px -6px rgba(15,23,42,.06);
  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--sky); text-decoration: none; }
a:hover { color: var(--navy); }
h1, h2, h3, h4 { font-family: 'Inter', sans-serif; color: var(--navy); line-height: 1.2; margin: 0 0 .6em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.eyebrow {
  display: inline-block; text-transform: uppercase; letter-spacing: .14em;
  font-size: .78rem; font-weight: 700; color: var(--sky); margin-bottom: .9rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand img { height: 56px; width: auto; }
.nav-list {
  display: flex; gap: .25rem; list-style: none; margin: 0; padding: 0;
}
.nav-list a {
  display: inline-block; padding: .55rem .9rem; border-radius: 8px;
  color: var(--text); font-weight: 600; font-size: .95rem; transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-list a:hover { background: var(--ice); color: var(--navy); }
.nav-list a.nav-cta {
  display: inline-flex; align-items: center; gap: .35rem; white-space: nowrap;
  background: transparent; color: var(--navy);
  padding: .45rem .8rem; border-radius: 8px;
  font-weight: 700; font-size: .92rem; line-height: 1;
  border: 1.5px solid var(--navy);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.nav-list a.nav-cta:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.nav-list a.nav-cta svg { width: 14px; height: 14px; flex-shrink: 0; }
.nav-toggle {
  display: none; background: none; border: 0; padding: .5rem;
  cursor: pointer; color: var(--navy);
}
.nav-toggle svg { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: 5rem 0 4rem;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(14,165,233,.18), transparent 60%),
    radial-gradient(800px 500px at -10% 110%, rgba(10,37,64,.10), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 3rem; align-items: center;
}
.hero h1 span.accent {
  background: linear-gradient(120deg, var(--sky) 0%, var(--navy) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede {
  font-size: 1.18rem; color: var(--muted); max-width: 56ch;
}
.hero-ctas {
  display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.4rem; border-radius: 999px; font-weight: 700;
  font-size: 1rem; line-height: 1; transition: transform .15s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
  border: 0; cursor: pointer; text-align: center;
}
.btn-primary { background: var(--navy); color: #fff !important; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--sky); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: #fff; color: var(--navy) !important; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--sky); color: var(--sky) !important; }
.btn svg { width: 18px; height: 18px; }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; margin-top: 2rem;
  color: var(--muted); font-size: .9rem;
}
.hero-trust b { color: var(--navy); font-weight: 700; }

.hero-art {
  position: relative; aspect-ratio: 5/3;
  border-radius: 24px; overflow: hidden;
  background: #F1F5F9;
  box-shadow: var(--shadow-lg);
}
.hero-art img { width: 100%; height: 100%; object-fit: contain; display: block; }
.hero-badge {
  position: absolute; bottom: 18px; left: 18px; right: 18px;
  background: rgba(255,255,255,.95); padding: 1rem 1.1rem;
  border-radius: 14px; backdrop-filter: blur(10px);
  display: flex; align-items: center; gap: .9rem; box-shadow: var(--shadow-md);
}
.hero-badge .num { font-size: 1.8rem; font-weight: 800; color: var(--navy); line-height: 1; }
.hero-badge .lab { font-size: .82rem; color: var(--muted); }

/* ---------- Generic section ---------- */
section { padding: 5rem 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 3rem; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Brand strip ---------- */
.brands {
  padding: 2.5rem 0; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.brands-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; align-items: center;
}
.brand-pill {
  display: flex; align-items: center; justify-content: center;
  height: 78px; border-radius: 12px; background: var(--bg);
  font-weight: 800; font-size: 1.5rem; letter-spacing: .04em;
  color: var(--navy); border: 1px solid var(--line);
  transition: transform .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.brand-pill:hover { transform: translateY(-2px); border-color: var(--sky); color: var(--sky); }
.brand-pill .tag { display: block; font-size: .7rem; font-weight: 600; color: var(--muted); letter-spacing: .12em; text-align: center; margin-top: 4px; }
.brand-pill .name { display: block; }
.brands-secondary {
  margin-top: 1.4rem; padding-top: 1.4rem; border-top: 1px dashed var(--line);
  display: flex; flex-wrap: wrap; gap: .5rem .8rem; justify-content: center;
  align-items: center; color: var(--muted); font-size: .92rem;
}
.brands-secondary .label { font-weight: 700; color: var(--navy); margin-right: .4rem; }
.brands-secondary span.b {
  padding: .35rem .75rem; background: var(--bg); border: 1px solid var(--line);
  border-radius: 999px; font-weight: 600; color: var(--navy);
}

/* ---------- Warranty/F-GAZ trust section ---------- */
.trust-band { background: var(--ice); }
.trust-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center;
}
.trust-points { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: 1rem; }
.trust-points li {
  display: flex; gap: .9rem; align-items: flex-start;
  background: #fff; padding: 1rem 1.1rem; border-radius: 12px; border: 1px solid var(--line);
}
.trust-points .check {
  flex: 0 0 26px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--sky); color: #fff; display: grid; place-items: center; margin-top: 2px;
}
.trust-points .check svg { width: 14px; height: 14px; }
.trust-points b { color: var(--navy); }
.trust-points small { color: var(--muted); display: block; margin-top: .2rem; font-size: .88rem; }
.udt-card {
  background: #fff; border-radius: var(--radius); padding: 1.6rem; border: 1px solid var(--line); box-shadow: var(--shadow-md);
}
.udt-card h3 { margin-bottom: .4rem; }
.udt-card p { color: var(--muted); margin-bottom: 1rem; }
.udt-row {
  display: flex; align-items: center; gap: .8rem; padding: .9rem 1rem;
  background: var(--bg); border-radius: 10px; margin-bottom: .8rem; font-size: .92rem;
}
.udt-row .k { color: var(--muted); flex: 0 0 130px; font-weight: 600; }
.udt-row .v { color: var(--navy); font-weight: 700; font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace; font-size: .88rem; }
.udt-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 700; color: var(--sky);
}
.udt-link:hover { color: var(--navy); text-decoration: underline; }
.udt-link svg { width: 14px; height: 14px; }
@media (max-width: 980px) {
  .trust-grid { grid-template-columns: 1fr; }
}

/* ---------- Services ---------- */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.svc-card {
  position: relative; padding: 1.6rem 1.5rem 1.7rem; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  display: flex; flex-direction: column; gap: .6rem;
}
.svc-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--sky) 0%, var(--navy) 100%);
  display: grid; place-items: center; color: #fff; margin-bottom: .4rem;
}
.svc-icon svg { width: 24px; height: 24px; }
.svc-card p { color: var(--muted); margin: 0; font-size: .96rem; }
.svc-card ul { margin: .25rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; }
.svc-card ul li { margin: .15rem 0; }

/* ---------- Why us ---------- */
.why { background: var(--navy); color: #E2E8F0; }
.why h2, .why .eyebrow { color: #fff; }
.why .eyebrow { color: var(--sky-2); }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.why-card {
  padding: 1.4rem; border-radius: var(--radius);
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
}
.why-card .num {
  font-size: 2.2rem; font-weight: 800; color: var(--sky-2); line-height: 1; margin-bottom: .4rem; letter-spacing: -.02em;
}
.why-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: .35rem; }
.why-card p { color: #CBD5E1; font-size: .92rem; margin: 0; }

/* ---------- Process ---------- */
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem;
}
.step {
  background: #fff; padding: 1.6rem; border-radius: var(--radius);
  border: 1px solid var(--line); position: relative;
}
.step .n {
  position: absolute; top: -16px; left: 18px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--sky); color: #fff; font-weight: 800;
  display: grid; place-items: center; box-shadow: var(--shadow-md);
}
.step h3 { margin: .6rem 0 .3rem; font-size: 1.05rem; }
.step p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- Service area ---------- */
.area { background: linear-gradient(180deg, #fff 0%, var(--ice) 100%); }
.area-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center;
}
.area h2 + p { color: var(--muted); font-size: 1.05rem; max-width: 56ch; }
.cities {
  display: flex; flex-wrap: wrap; gap: .55rem; margin-top: 1.4rem;
}
.city-chip {
  padding: .55rem .95rem; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); font-weight: 600; color: var(--navy); font-size: .92rem;
  transition: all .15s var(--ease);
}
.city-chip:hover { background: var(--navy); color: #fff !important; border-color: var(--navy); }
.city-chip.featured { background: var(--navy); color: #fff; border-color: var(--navy); }
.city-chip.featured:hover { background: var(--sky); border-color: var(--sky); }
.area-note {
  margin-top: 1.5rem; padding: 1rem 1.1rem; background: #fff;
  border-left: 4px solid var(--sky); border-radius: 8px; color: var(--text); font-size: .95rem;
}
.area-art img {
  border-radius: 20px; box-shadow: var(--shadow-lg); aspect-ratio: 4/3.4; object-fit: cover; width: 100%;
}

/* ---------- Gallery ---------- */
.gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.gallery a {
  display: block; overflow: hidden; border-radius: var(--radius-sm);
  position: relative; aspect-ratio: 4/3; background: #eee; box-shadow: var(--shadow-sm);
}
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s var(--ease); }
.gallery a:hover img { transform: scale(1.06); }
.gallery a::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,37,64,.45) 100%);
  opacity: 0; transition: opacity .2s var(--ease);
}
.gallery a:hover::after { opacity: 1; }

/* ---------- About ---------- */
.about-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center;
}
.about-grid img { border-radius: 20px; box-shadow: var(--shadow-lg); }
.about-grid p { color: var(--muted); font-size: 1.02rem; }
.cert-card {
  margin-top: 1.5rem; padding: 1.1rem 1.2rem; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; display: flex; gap: 1rem; align-items: center;
}
.cert-card .seal {
  width: 52px; height: 52px; flex: 0 0 52px;
  border-radius: 12px; background: linear-gradient(135deg, #0EA5E9, #0A2540);
  display: grid; place-items: center; color: #fff;
}
.cert-card .seal svg { width: 26px; height: 26px; }
.cert-card .t { font-weight: 700; color: var(--navy); }
.cert-card .s { font-size: .85rem; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { background: var(--bg); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 2.4rem;
}
.info-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; display: flex; flex-direction: column; gap: 1.4rem;
}
.info-row { display: flex; gap: 1rem; align-items: flex-start; }
.info-row .ic {
  width: 42px; height: 42px; flex: 0 0 42px; border-radius: 10px;
  background: var(--ice); color: var(--navy);
  display: grid; place-items: center;
}
.info-row .ic svg { width: 20px; height: 20px; }
.info-row .lab { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); font-weight: 700; }
.info-row .val { font-size: 1.05rem; font-weight: 600; color: var(--navy); }
.info-row .val a { color: var(--navy); }
.info-row .val a:hover { color: var(--sky); }

.map-wrap {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md);
  border: 1px solid var(--line); min-height: 420px; height: 100%;
}
.map-wrap iframe { display: block; width: 100%; height: 100%; min-height: 420px; border: 0; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy); color: #CBD5E1; padding: 3.5rem 0 1.5rem;
}
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,.1);
}
footer h4 { color: #fff; font-size: 1rem; margin-bottom: .8rem; letter-spacing: .02em; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer ul li { margin: .35rem 0; font-size: .92rem; }
footer ul a { color: #CBD5E1; }
footer ul a:hover { color: var(--sky-2); }
footer .legal { font-size: .82rem; color: #94A3B8; margin-top: .5rem; }
.foot-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding-top: 1.4rem; font-size: .85rem; color: #94A3B8;
}
.foot-brand img { height: 56px; width: auto; margin-bottom: .8rem; }

/* ---------- Floating call CTA (mobile) ---------- */
.float-call {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  background: var(--sky); color: #fff; border-radius: 999px;
  padding: .9rem 1.2rem; font-weight: 800; box-shadow: var(--shadow-lg);
  display: none; align-items: center; gap: .5rem;
}
.float-call:hover { background: var(--navy); color: #fff !important; }
.float-call svg { width: 18px; height: 18px; }

/* ---------- Lightbox ---------- */
.lb {
  position: fixed; inset: 0; background: rgba(2,8,23,.92);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 24px;
}
.lb.open { display: flex; }
.lb img { max-width: 100%; max-height: 86vh; border-radius: 8px; box-shadow: var(--shadow-lg); }
.lb-close {
  position: absolute; top: 18px; right: 18px;
  width: 44px; height: 44px; border-radius: 999px;
  background: rgba(255,255,255,.1); color: #fff;
  border: 0; font-size: 1.4rem; cursor: pointer;
}
.lb-close:hover { background: rgba(255,255,255,.2); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .area-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid, .why-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .brands-row { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero-art { max-width: 520px; margin: 0 auto; }
  section { padding: 3.5rem 0; }
  .hero { padding: 3rem 0 2.5rem; }
}
@media (max-width: 640px) {
  .nav-list { display: none; position: absolute; top: 80px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 1rem;
    flex-direction: column; gap: 0; }
  .nav-list.open { display: flex; }
  .nav-list li { width: 100%; }
  .nav-list a { display: block; padding: .9rem 1rem; }
  .nav-toggle { display: inline-flex; }
  .nav-cta { display: none; }
  .services-grid, .why-grid, .process-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .float-call { display: inline-flex; }
  h1 { font-size: 2rem; }
  .info-card { padding: 1.4rem; }
}

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- City page hero variant ---------- */
.city-hero {
  background:
    radial-gradient(900px 500px at 90% 0%, rgba(14,165,233,.20), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  padding: 4rem 0 3rem;
}
.breadcrumb { font-size: .88rem; color: var(--muted); margin-bottom: 1rem; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--sky); }

/* ---------- Skip link ---------- */
.skip { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: .5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; z-index: 100; }