* { box-sizing: border-box; }
:root{
  --bg:#0f1419;
  --panel:#171e25;
  --panel2:#eef2f4;
  --text:#17202a;
  --muted:#63707c;
  --light:#f8fafb;
  --accent:#d97706;
  --accent-dark:#b45309;
  --line:#d9e0e5;
  --max:1140px;
}
html { scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  color:var(--text);
  background:white;
  line-height:1.6;
}
a{ color:inherit; text-decoration:none; }
.container{ width:min(var(--max), calc(100% - 36px)); margin:0 auto; }

.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(15,20,25,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(10px);
}
.nav-wrap{ min-height:76px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand{ color:white; display:flex; gap:10px; align-items:center; }
.brand-mark{ font-size:30px; }
.brand strong{ display:block; line-height:1.1; font-size:16px; }
.brand small{ display:block; color:#aeb9c3; margin-top:3px; font-size:12px; }
.desktop-nav{ display:flex; gap:24px; color:#dce3e8; font-weight:700; }
.desktop-nav a:hover{ color:white; }
.language-btn{
  border:1px solid #58636d; background:transparent; color:white; border-radius:999px;
  padding:9px 15px; font-weight:700; cursor:pointer;
}

.hero{
  background:
    radial-gradient(circle at 80% 20%, rgba(217,119,6,.25), transparent 28%),
    linear-gradient(135deg, #0d1217, #1b252e);
  color:white;
  padding:86px 0;
}
.hero-grid{ display:grid; grid-template-columns:1.25fr .75fr; gap:50px; align-items:center; }
.eyebrow{
  text-transform:uppercase; letter-spacing:.12em; color:var(--accent);
  font-weight:800; font-size:12px;
}
h1,h2,h3{ line-height:1.12; margin-top:0; }
h1{ font-size:clamp(42px, 6vw, 72px); max-width:820px; margin-bottom:22px; }
h2{ font-size:clamp(30px, 4vw, 44px); margin-bottom:14px; }
h3{ font-size:21px; margin-bottom:10px; }
.hero-text{ color:#cad3da; font-size:19px; max-width:760px; }
.hero-actions{ display:flex; gap:12px; flex-wrap:wrap; margin:30px 0; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:50px; padding:0 22px; border-radius:8px; font-weight:800; border:0; cursor:pointer;
}
.btn-primary{ background:var(--accent); color:white; }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-secondary{ border:1px solid #73808b; color:white; background:rgba(255,255,255,.04); }
.btn-full{ width:100%; font-size:16px; }
.trust-row{ display:flex; flex-wrap:wrap; gap:18px; color:#b9c4cc; font-size:14px; }

.hero-card{
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.12);
  border-radius:18px; padding:32px; box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.hero-card-icon{ font-size:44px; margin-bottom:15px; }
.hero-card p{ color:#c9d3da; }
.text-link{ color:#ffb34f; font-weight:800; }

.section{ padding:80px 0; }
.section-alt{ background:var(--panel2); }
.section-heading{ max-width:720px; margin-bottom:34px; }
.section-heading p{ color:var(--muted); font-size:18px; }

.cards{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.service-card{
  border:1px solid var(--line); border-radius:14px; padding:24px; background:white;
}
.service-card .icon{ font-size:32px; margin-bottom:12px; }
.service-card p{ margin:0; color:var(--muted); }

.estimate-grid{ display:grid; grid-template-columns:.8fr 1.2fr; gap:50px; align-items:start; }
.notice{
  margin-top:24px; padding:18px; border-left:4px solid var(--accent);
  background:white; border-radius:8px; color:#4b5560;
}
.estimate-form{
  background:white; border-radius:16px; padding:28px; border:1px solid var(--line);
  box-shadow:0 18px 45px rgba(20,35,45,.08);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-row-3{ grid-template-columns:.7fr 1fr 1fr; }
label, fieldset{ display:block; margin-bottom:17px; font-weight:700; }
input, textarea{
  width:100%; margin-top:7px; border:1px solid #cbd4da; border-radius:8px;
  padding:13px 14px; font:inherit; outline:none; background:white;
}
input:focus, textarea:focus{ border-color:var(--accent); box-shadow:0 0 0 3px rgba(217,119,6,.12); }
fieldset{ border:0; padding:0; margin:0 0 17px; }
legend{ font-weight:700; margin-bottom:8px; }
.radio-row{ display:flex; flex-wrap:wrap; gap:18px; }
.radio-row label{ margin:0; font-weight:500; display:flex; gap:7px; align-items:center; }
.radio-row input, .checkbox input{ width:auto; margin:0; }

.upload-box{
  border:2px dashed #b8c2ca; border-radius:12px; padding:24px; text-align:center; cursor:pointer;
  background:#fafcfd;
}
.upload-box:hover{ border-color:var(--accent); }
.upload-box input{ display:none; }
.upload-box span{ display:block; font-weight:400; color:var(--muted); }
.upload-box .upload-icon{ font-size:35px; margin-bottom:6px; }
.photo-preview{ display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin:-4px 0 18px; }
.photo-preview img{ width:100%; aspect-ratio:1; object-fit:cover; border-radius:8px; border:1px solid var(--line); }
.checkbox{ display:flex; gap:10px; align-items:flex-start; font-weight:400; font-size:14px; color:#56626c; }
.checkbox input{ margin-top:4px; }
.form-message{ margin:12px 0 0; font-size:14px; font-weight:700; }

.city-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:12px; }
.city-grid span{ background:#f3f6f8; border:1px solid var(--line); padding:14px; text-align:center; border-radius:8px; font-weight:700; }

.contact-section{ background:#131a20; color:white; }
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:36px; align-items:center; }
.contact-grid p{ color:#c7d0d7; }
.contact-card{ display:grid; gap:10px; }
.contact-card a{
  display:block; background:#1e2831; border:1px solid #34414b; border-radius:10px;
  padding:15px 18px; font-weight:700;
}
.contact-card a:hover{ border-color:var(--accent); }

footer{ background:#0b1014; color:#aab5bd; padding:30px 0; }
.footer-wrap{ display:flex; justify-content:space-between; gap:20px; }
.footer-wrap strong{ color:white; }
.footer-wrap p{ margin:4px 0 0; }

@media (max-width: 900px){
  .desktop-nav{ display:none; }
  .hero{ padding:58px 0; }
  .hero-grid, .estimate-grid, .contact-grid{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr 1fr; }
  .city-grid{ grid-template-columns:repeat(3,1fr); }
}
@media (max-width: 600px){
  .container{ width:min(100% - 24px, var(--max)); }
  .nav-wrap{ min-height:68px; }
  .brand small{ display:none; }
  .brand strong{ font-size:13px; max-width:190px; }
  .language-btn{ padding:8px 12px; }
  h1{ font-size:40px; }
  .section{ padding:58px 0; }
  .cards, .form-row, .form-row-3{ grid-template-columns:1fr; }
  .city-grid{ grid-template-columns:1fr 1fr; }
  .estimate-form{ padding:18px; }
  .photo-preview{ grid-template-columns:repeat(3,1fr); }
  .footer-wrap{ display:block; }
}