/* LIGHT THEME + DARK (auto), improved mobile gutters */
:root{
  --ink:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-alt:#f8fafc;
  --brand:#0f172a;
  --accent:#0ea5e9;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --ok:#16a34a; --ok-bg:#f0fdf4; --ok-br:#86efac;
  --er:#991b1b; --er-bg:#fef2f2; --er-br:#fecaca;
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#f1f5f9;
    --muted:#94a3b8;
    --line:#334155;
    --bg:#0b1220;
    --bg-alt:#111827;
    --brand:#38bdf8;
    --accent:#38bdf8;
    --shadow:0 10px 30px rgba(0,0,0,.6);
    --ok:#16a34a; --ok-bg:#052e1a; --ok-br:#14532d;
    --er:#fca5a5; --er-bg:#3f1a1a; --er-br:#7f1d1d;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;color:var(--ink);background:var(--bg)}

.container{max-width:1100px;margin:0 auto;padding-inline:24px}
@media (max-width: 420px){ .container{padding-inline:18px} }

.muted{color:var(--muted)}
.small{font-size:.9rem}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1rem;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);background:#fff;box-shadow:var(--shadow);cursor:pointer;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn--sm{padding:.55rem .9rem;border-radius:12px}
.btn--lg{padding:1rem 1.25rem;font-weight:600}
.full-mobile{width:100%}

.only-mobile{display:none}

.nav{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
@media (prefers-color-scheme: dark){
  .nav{background:rgba(9,14,24,.7);border-bottom:1px solid rgba(56,189,248,.2)}
  .btn{background:transparent;border-color:var(--accent);box-shadow:none}
  .btn--primary{background:var(--brand);border-color:var(--brand);color:#06121b}
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
.nav__links{display:flex;gap:1rem;align-items:center}
.nav__links a{color:#334155;text-decoration:none}
.nav__links a:hover{color:#0f172a}
.nav__links.open{display:flex}

.hero{background:linear-gradient(135deg,var(--bg-alt),#fff)}
@media (prefers-color-scheme: dark){
  .hero{background:radial-gradient(1200px 600px at 10% -10%, rgba(56,189,248,.20), transparent 50%), radial-gradient(1200px 600px at 90% -20%, rgba(56,189,248,.12), transparent 50%), linear-gradient(135deg, #0b1220, #0e1627)}
}
.hero__inner{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;padding:72px 0}
.badge{display:inline-flex;gap:.5rem;align-items:center;border:1px solid var(--line);border-radius:999px;padding:.4rem .8rem;color:var(--muted);font-size:.82rem;background:#fff}
.lead{font-size:1.1rem;color:var(--muted)}
.hero h1{font-size:44px;line-height:1.1;margin:12px 0 10px}
.hero__cta{margin-top:14px;display:flex;gap:.75rem;flex-wrap:wrap}
.hero__bullets{display:grid;grid-template-columns:repeat(3,auto);gap:10px;margin-top:14px;padding:0;list-style:none;color:#334155}
@media (prefers-color-scheme: dark){
  .badge{border-color:rgba(56,189,248,.35);background:rgba(3,10,20,.7);color:#cbd5e1}
  .hero__bullets{color:#cbd5e1}
}

.hero__card{display:grid;place-items:center}
.glass{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);padding:18px;display:grid;gap:10px;min-width:260px}
@media (prefers-color-scheme: dark){
  .glass{border-color:rgba(56,189,248,.25);background:linear-gradient(180deg, rgba(18,29,47,.8), rgba(15,24,41,.6));box-shadow:0 12px 30px rgba(0,0,0,.25)}
}

.section{padding:70px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:28px;margin:0 0 10px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;box-shadow:var(--shadow)}
@media (prefers-color-scheme: dark){
  .card{border:1px solid rgba(56,189,248,.15);background:linear-gradient(180deg,#0e1627,#0c1423);box-shadow:0 12px 30px rgba(0,0,0,.25)}
}

.list{margin:10px 0 0 0;padding-left:18px;color:#334155}
.price{border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);padding:18px}
.price__head{font-weight:700;margin-bottom:8px}
.price__value{font-size:28px;font-weight:800}
.price--primary{outline:2px solid var(--brand)}
.note{color:#64748b;font-size:.9rem;margin-top:6px}
@media (prefers-color-scheme: dark){
  .list{color:#cbd5e1}
  .price{border:1px solid rgba(56,189,248,.2);background:linear-gradient(180deg,#0e1627,#0c1423);box-shadow:0 12px 30px rgba(0,0,0,.25)}
  .price__head{color:#e2e8f0}
  .price__value{color:#fff}
  .price--primary{outline:2px solid rgba(56,189,248,.7)}
  .note{color:#9aa7b8}
}

.gallery{grid-template-columns:repeat(6,1fr)}
.ph{aspect-ratio:16/10;border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;color:#94a3b8;background:#fff}
@media (prefers-color-scheme: dark){
  .ph{border-color:rgba(56,189,248,.25);color:#7dd3fc;background:rgba(8,15,27,.6)}
}

.section--cta{background:linear-gradient(180deg,#fff,var(--bg-alt))}
.cta{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;box-shadow:var(--shadow)}
@media (prefers-color-scheme: dark){
  .section--cta{background:radial-gradient(800px 400px at 10% 0%, rgba(56,189,248,.18), transparent 50%), radial-gradient(800px 400px at 90% 0%, rgba(56,189,248,.12), transparent 50%)}
  .cta{border:1px solid rgba(56,189,248,.2);background:linear-gradient(180deg,#0e1627,#0c1423);box-shadow:0 12px 30px rgba(0,0,0,.25)}
}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:6px;font:inherit;background:#fff;color:#0f172a}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(56,189,248,.35)}
.form label{display:block}
.form button{margin-top:8px}
.alert{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:8px 0}
.alert.ok{border-color:var(--ok-br);background:var(--ok-bg);color:#166534}
.alert.err{border-color:var(--er-br);background:var(--er-bg);color:#991b1b}
.hidden{display:none}
@media (prefers-color-scheme: dark){
  .form input,.form textarea,.form select{border:1px solid rgba(56,189,248,.2);background:#0b1220;color:#e2e8f0}
  .alert{border:1px solid var(--line)}
  .alert.ok{color:#86efac}
  .alert.err{color:#fecaca}
}

.footer{border-top:1px solid var(--line);padding:24px 0;background:#fff}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
@media (prefers-color-scheme: dark){
  .footer{border-top:1px solid rgba(56,189,248,.15);background:linear-gradient(180deg,#0b1220,#0a111e)}
}

@media (max-width: 980px){
  .only-mobile{display:inline-flex}
  #menu{display:none;flex-direction:column;gap:.75rem;position:absolute;right:24px;top:60px;border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);box-shadow:0 10px 30px rgba(0,0,0,.1)}
  #menu.open{display:flex}
  .hero__inner{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero__bullets{grid-template-columns:1fr; gap:6px}
  .cards-3{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr}
  .btn{width:100%; justify-content:center}
}