:root{
  --bg:#0b0d12; --card:#121620; --text:#e8eef8; --muted:#a8b3c7; --accent:#2ec4b6;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--accent);text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1100px,92%);margin-inline:auto}
.btn{display:inline-block;background:var(--accent);color:#081017;padding:.8rem 1.1rem;border-radius:.8rem;font-weight:600;border:0;cursor:pointer;transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.section{padding:72px 0}
.section h2{font-size:clamp(1.6rem,2.5vw,2.1rem);margin:0 0 12px}
.section p.lead{color:var(--muted);margin:0 0 22px}

/* NAV */
.nav{position:sticky;top:0;z-index:999;background:rgba(11,13,18,.75);backdrop-filter:blur(8px);border-bottom:1px solid #1c2333}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-weight:800;letter-spacing:.3px}
.menu{display:flex;gap:20px;align-items:center}
.menu a{color:var(--text);opacity:.9}
.menu a.active{color:var(--accent)}
.burger{display:none;gap:6px;flex-direction:column}
.burger span{width:24px;height:2px;background:var(--text);opacity:.9}

/* HERO */
.hero{display:grid;place-items:center;min-height:70vh;background:
linear-gradient(180deg,#0b0d12 0%,#0b0d12cc 30%,#0b0d12 100%),
url('../img/hero.jpg') center/cover no-repeat;
text-align:center;padding:96px 0}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 10px}
.hero p{color:var(--muted);margin:0 auto 22px;max-width:760px}

/* CARDS */
.grid{display:grid;gap:18px}
.grid.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid #1b2235;border-radius:16px;padding:18px}
.card h3{margin:8px 0 6px}
.card p{color:var(--muted)}

/* FEATURES / ICONS */
.icon{width:36px;height:36px;border-radius:10px;background:#0f1422;display:grid;place-items:center;margin-bottom:8px;border:1px solid #1b2235}

/* GALLERY */
.gallery-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.gallery-grid a{position:relative;border-radius:14px;overflow:hidden;border:1px solid #1b2235}
.gallery-grid a::after{content:"View";position:absolute;inset:auto 8px 8px auto;background:rgba(46,196,182,.9);color:#081017;font-weight:700;border-radius:8px;padding:.25rem .55rem;opacity:0;transform:translateY(6px);transition:.15s}
.gallery-grid a:hover::after{opacity:1;transform:translateY(0)}
.gallery-grid img{aspect-ratio:4/3;object-fit:cover}

/* LIGHTBOX */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:none;align-items:center;justify-content:center;z-index:1000;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(92vw,1100px);max-height:88vh;border-radius:12px;border:1px solid #24304d}

/* FORM */
.form{display:grid;gap:12px}
.input, textarea{background:#0f1422;border:1px solid #1b2235;color:var(--text);padding:12px 14px;border-radius:12px}
.input:focus, textarea:focus{outline:2px solid var(--accent)}
.form-msg{font-size:.95rem;color:#f6c177;display:none}
.form-msg.show{display:block}

/* FOOTER */
.footer{border-top:1px solid #1c2333;padding:28px 0;color:var(--muted);font-size:.95rem}
.footer .links{display:flex;flex-wrap:wrap;gap:14px}

/* RESPONSIVE */
@media (max-width:880px){
  .burger{display:flex}
  .menu{display:none;position:absolute;left:0;right:0;top:58px;background:#0b0d12;border-bottom:1px solid #1c2333;padding:12px;flex-direction:column}
  .menu.open{display:flex}
}