/* style.css - simple shared styles for multi-page interior design site */

:root{
  --bg:#0f1115; --text:#f3f4f6; --muted:#a5adb8; --accent:#60a5fa; --card:#151922; --border:#232734;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{width:min(1100px,92%);margin-inline:auto;padding:20px}
header{position:sticky;top:0;z-index:30;background:rgba(15,17,21,.7);backdrop-filter:blur(6px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{font-weight:700;display:flex;align-items:center;gap:10px}
.brand-badge{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#60a5fa,#34d399);display:inline-block}
nav ul{list-style:none;display:flex;gap:18px;padding:0;margin:0}
nav a{color:var(--muted);padding:6px 8px;border-radius:8px}
nav a:hover, nav a.active{color:var(--text);background:rgba(255,255,255,0.02)}
.menu{display:none}
@media(max-width:820px){nav ul{display:none;position:absolute;left:4%;right:4%;top:64px;background:#0e1218;border:1px solid var(--border);padding:12px;border-radius:10px;flex-direction:column}nav ul.open{display:flex}.menu{display:inline-flex}}

.hero{display:grid;place-items:center;min-height:56vh;text-align:center;background:radial-gradient(60% 50% at 50% 50%, rgba(96,165,250,.08), transparent 60%);padding:40px 0}
.title{font-size:clamp(22px,3.2vw,34px);margin:0 0 8px}
.lead{color:var(--muted);margin:0 0 18px;max-width:900px}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:12px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.card p{color:var(--muted)}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}}

.filters{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.chip{border:1px solid var(--border);border-radius:999px;padding:6px 12px;background:#0f131b;color:var(--text);cursor:pointer}
.chip.active{outline:4px solid rgba(96,165,250,.12);border-color:#2d3750}

.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:10px}
.tile{grid-column:span 4;position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#0f131b}
.tile img{height:200px;object-fit:cover;width:100%}
.tile small{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.45);padding:4px 8px;border-radius:8px;color:var(--muted)}
@media(max-width:980px){.tile{grid-column:span 6}}
@media(max-width:560px){.tile{grid-column:span 12}}

.form-row{display:grid;gap:10px;margin-top:10px}
input,textarea,button{background:#0e121a;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px}
textarea{min-height:110px}
.btn{padding:10px 14px;border-radius:999px;border:0;background:linear-gradient(135deg,#60a5fa,#34d399);color:#071018;cursor:pointer}
footer{padding:18px 0;text-align:center;color:var(--muted);border-top:1px solid rgba(255,255,255,0.03);margin-top:40px}
.small{font-size:13px;color:var(--muted)}

/* utility */
.center{display:flex;justify-content:center;align-items:center}