:root{
  --blue:#005aa8;
  --blue-dark:#003f7d;
  --ink:#102033;
  --muted:#64748b;
  --line:#dbe3ec;
  --bg:#f5f8fb;
  --white:#fff;
  --dark:#061626;
  --shadow:0 20px 50px rgba(6,22,38,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial, Helvetica, sans-serif;color:var(--ink);background:var(--white);line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(1160px, calc(100% - 40px));margin-inline:auto}
.utility-bar{background:var(--dark);color:#dbeafe;font-size:14px}
.utility-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:8px 0}
.utility-actions{display:flex;gap:18px;flex-wrap:wrap}
.utility-actions a{text-decoration:none;color:#fff}
.site-header{background:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 1px 0 rgba(15,23,42,.08)}
.header-main{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand img{height:56px;width:auto}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand small{color:var(--muted);font-weight:600}
.main-nav{display:flex;align-items:center;gap:5px}
.nav-link,.nav-cta{padding:10px 12px;text-decoration:none;border-radius:10px;font-weight:700;font-size:15px}
.nav-link:hover,.nav-link.active{background:#edf5ff;color:var(--blue)}
.nav-cta{background:var(--blue);color:white;margin-left:8px}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;gap:5px;flex-direction:column;justify-content:center;align-items:center}
.menu-toggle span{width:24px;height:2px;background:var(--ink)}
.hero{min-height:720px;background:linear-gradient(90deg,rgba(3,14,26,.82),rgba(3,14,26,.55),rgba(3,14,26,.25)), url('../img/hero/hero-dsos.jpg') center/cover no-repeat;color:white;display:flex;align-items:center}
.hero-inner{display:grid;grid-template-columns:1.08fr .72fr;gap:44px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#2f8fdf;font-weight:800;font-size:13px;margin:0 0 12px}
.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:0 0 22px;max-width:850px}
.lead{font-size:20px;color:#e7eef7;max-width:680px}
.hero-actions,.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 18px;border-radius:12px;text-decoration:none;font-weight:800;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--blue);color:white}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{border-color:#9cc7ef;background:white;color:var(--blue-dark)}
.btn-light{border-color:rgba(255,255,255,.4);color:white;background:rgba(255,255,255,.12);backdrop-filter:blur(8px)}
.hero-card{background:rgba(255,255,255,.95);color:var(--ink);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);border-top:5px solid var(--blue)}
.hero-card h2{margin-top:0}
.hero-card p{border-bottom:1px solid var(--line);padding-bottom:12px;margin:0 0 12px}
.hero-card p:last-child{border-bottom:0}
.hero-card strong{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.hero-card a{text-decoration:none;color:var(--blue);font-weight:800}
.section{padding:82px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.intro{background:var(--bg)}
h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:0 0 18px}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}
.text-link{color:var(--blue);font-weight:800;text-decoration:none}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.06);min-height:240px}
.service-card.large{min-height:280px}
.service-card span{display:inline-flex;width:38px;height:38px;border-radius:50%;background:#eaf4ff;color:var(--blue);align-items:center;justify-content:center;font-weight:900}
.service-card h3{font-size:22px;line-height:1.2;margin:18px 0 10px}
.service-card p{color:var(--muted)}
.service-card a{font-weight:900;color:var(--blue);text-decoration:none}
.image-band{background:#071827;color:white}
.image-band-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.image-band img{border-radius:var(--radius);box-shadow:var(--shadow)}
.image-band .check-list li{border-color:rgba(255,255,255,.18)}
.check-list{padding:0;margin:20px 0;list-style:none}
.check-list li{padding:10px 0 10px 30px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:#15803d;font-weight:900}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gallery-grid.small{grid-template-columns:repeat(6,1fr)}
.gallery-grid a,.gallery-item{position:relative;overflow:hidden;border-radius:16px;background:#e2e8f0;text-decoration:none;min-height:130px}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.gallery-grid a:hover img{transform:scale(1.05)}
.gallery-item span{position:absolute;left:12px;bottom:12px;background:rgba(0,0,0,.55);color:white;padding:8px 10px;border-radius:10px;font-weight:800;font-size:13px}
.cta-strip{background:linear-gradient(135deg,#e8f3ff,#f8fbff);padding:56px 0}
.cta-inner{display:flex;justify-content:space-between;gap:24px;align-items:center}
.page-hero{background:linear-gradient(135deg,#061626,#0b3766);color:white;padding:96px 0}
.page-hero.compact{padding:76px 0}
.page-hero h1{font-size:clamp(36px,5vw,64px);line-height:1.05;margin:0 0 16px}
.page-hero p{max-width:760px;color:#dceafd;font-size:19px}
.content-layout,.contact-grid,.map-layout{display:grid;grid-template-columns:1.5fr .75fr;gap:28px;align-items:start}
.contact-grid{grid-template-columns:.85fr 1.15fr}
.content-card,.side-card,.contact-panel,.form-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.side-card{position:sticky;top:116px}
.rounded-image{border-radius:var(--radius);box-shadow:var(--shadow)}
.form-card label{display:block;font-weight:800;margin-bottom:16px}
.form-card input,.form-card textarea{width:100%;margin-top:7px;border:1px solid #cbd5e1;border-radius:12px;padding:13px 14px;font:inherit}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{color:var(--muted);font-size:14px}
.form-success{background:#e8f8ef;color:#166534;border:1px solid #bbf7d0;padding:12px;border-radius:12px;font-weight:800}
.contact-panel a{color:var(--blue);font-weight:800;text-decoration:none}
.map-box{height:520px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.map-box iframe{width:100%;height:100%;border:0}
.site-footer{background:#061626;color:#cbd5e1;padding-top:58px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:30px}
.footer-logo{height:60px;width:auto;background:white;border-radius:10px;padding:8px;margin-bottom:14px}
.site-footer h3{color:white;margin-top:0}
.site-footer a{color:white;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;margin-top:36px;color:#94a3b8;font-size:14px}
.mobile-call{display:none}
@media(max-width:980px){
  .utility-inner{flex-direction:column;align-items:flex-start;gap:6px}
  .menu-toggle{display:flex}
  .main-nav{display:none;position:absolute;left:20px;right:20px;top:104px;background:white;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:12px;flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .nav-link,.nav-cta{display:block}
  .hero{min-height:auto;padding:76px 0}
  .hero-inner,.split,.image-band-grid,.content-layout,.contact-grid,.map-layout{grid-template-columns:1fr}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid,.gallery-grid.small{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .side-card{position:static}
}
@media(max-width:620px){
  .container{width:min(100% - 28px, 1160px)}
  .brand img{height:46px}
  .brand span{font-size:14px}
  .hero h1{font-size:38px}
  .lead{font-size:17px}
  .section{padding:56px 0}
  .service-grid,.gallery-grid,.gallery-grid.small,.footer-grid,.form-row{grid-template-columns:1fr}
  .utility-actions{gap:10px}
  .mobile-call{display:block;position:fixed;left:14px;right:14px;bottom:14px;z-index:1200;background:var(--blue);color:white;text-align:center;text-decoration:none;font-weight:900;padding:14px;border-radius:14px;box-shadow:var(--shadow)}
  body{padding-bottom:68px}
}

.about-subtitle{margin-top:38px}

/* DSOS v1.2 publish cleanup */
.service-detail-list{display:grid;gap:24px}.service-detail{display:grid;grid-template-columns:320px 1fr;gap:28px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.06)}.service-detail img{width:100%;height:220px;object-fit:cover;border-radius:14px}.service-detail h2{font-size:30px}.service-detail ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}.form-card select{width:100%;margin-top:7px;border:1px solid #cbd5e1;border-radius:12px;padding:13px 14px;font:inherit;background:#fff}.video-item video{width:100%;height:100%;object-fit:cover;border-radius:16px;background:#000}@media(max-width:820px){.service-detail{grid-template-columns:1fr}.service-detail img{height:240px}}

/* v1.2.1: hero contact card adjusted to keep basement entrance visible */
@media (min-width:981px){
  .hero-inner{grid-template-columns:1.35fr .45fr;align-items:start}
  .hero-card{padding:20px 22px;max-width:310px;justify-self:end;margin-top:-52px;border-top-width:4px}
  .hero-card h2{font-size:22px;margin-bottom:10px}
  .hero-card p{padding-bottom:8px;margin-bottom:8px;font-size:14px;line-height:1.35}
  .hero-card strong{font-size:11px}
}
.about-video{width:100%}
.about-video h2{font-size:26px;margin-top:0}
.about-video video{width:100%;max-height:440px;display:block;border-radius:18px;background:#061626;box-shadow:var(--shadow)}

.page-hero p:empty{display:none}

/* DSOS v2.2 bilingual language selector */
.language-selector{display:inline-flex;align-items:center;gap:6px;margin-left:4px;padding-left:14px;border-left:1px solid var(--line);font-size:13px;font-weight:900;letter-spacing:.04em;white-space:nowrap}.lang-link{color:var(--muted);text-decoration:none;padding:7px 3px}.lang-link:hover,.lang-link.active{color:var(--blue)}@media(max-width:980px){.language-selector{margin:4px 0 0;padding:10px 8px 4px;border-left:0;border-top:1px solid var(--line);justify-content:flex-end}}