/* ==========
   SkySites – White/Blue Theme
   ========== */
:root{
  --bg:#ffffff;
  --text:#0b1220;
  --muted:#5e6a86;
  --card:#f7f9ff;
  --line:#e6ecff;
  --brand:#2b6ef2;
  --brand-2:#00a2ff;
  --shadow:0 12px 30px rgba(19,41,76,.12);
  --radius:18px;
}

*{box-sizing:border-box}
html:focus-within{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:var(--bg);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;
  line-height:1.6;
}

h1,h2,h3,h4{font-family:Poppins,Inter,system-ui,sans-serif; line-height:1.2; margin:0 0 .6rem}
h1{font-size:clamp(2rem,6vw,3.4rem)}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
h3{font-size:1.2rem}
p{margin:.2rem 0 1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius)}

.container{width:min(1100px,90vw);margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.75);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800}
.logo-icon{width:150px;height:150px}
.logo span{background:linear-gradient(135deg,var(--brand),var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent;}
.menu{display:flex;gap:1rem;align-items:center}
.menu a{opacity:.9}
.menu .cta{padding:.55rem .9rem;border-radius:999px;background:linear-gradient(135deg,var(--brand),#1a56e2); color:#fff; font-weight:700; box-shadow:var(--shadow)}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:.5rem .7rem;border-radius:10px}

.hero{padding:6rem 0 3rem;background:
  radial-gradient(900px 400px at 100% -20%, rgba(43,110,242,.08), transparent 60%),
  radial-gradient(900px 400px at 0% 0%, rgba(0,162,255,.08), transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center}
.hero-copy p{color:var(--muted);font-size:1.05rem}
.hero-copy span{background:linear-gradient(135deg,var(--brand),var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:800}
.actions{display:flex;gap:.8rem;margin:1rem 0 1.2rem}
.btn{display:inline-block;padding:.8rem 1.1rem;border-radius:12px;border:1px solid var(--line);transition:.2s ease; font-weight:700}
.btn.primary{background:linear-gradient(135deg,var(--brand),#1a56e2); color:#fff; border-color:transparent}
.btn.ghost{color:var(--brand)}
.btn.ghost:hover{background:#eef3ff}
.btn.full{width:100%}
.badges{display:flex;gap:1rem;flex-wrap:wrap;color:var(--muted);padding:0;margin:1rem 0 0}
.badges li{list-style:none;border:1px solid var(--line); padding:.4rem .7rem; border-radius:999px; background:#fff}

.section{padding:4rem 0}
.section.alt{background:linear-gradient( to bottom, #f9fbff, #fff 70%); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.section-head{margin:0 0 2rem}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card); padding:1.2rem; border-radius:var(--radius); box-shadow:var(--shadow); border:1px solid var(--line)}
.card-icon{font-size:1.4rem}
.card ul{margin:.6rem 0 0; padding-left:1rem}
.card ul li{margin:.2rem 0}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.project figcaption{display:flex;align-items:center;justify-content:space-between;margin-top:.4rem;font-size:.95rem;color:var(--muted)}

.card.form{background:#fff}
.form .field{display:grid;gap:.4rem;margin:.6rem 0}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.form input,.form textarea,.form select{
  background:#fff;border:1px solid var(--line);color:var(--text);
  padding:.8rem;border-radius:12px; outline:none
}
.form input:focus,.form textarea:focus,.form select:focus{border-color:#97b6ff; box-shadow:0 0 0 3px rgba(43,110,242,.12)}
.error{color:#da3d3d;font-size:.9rem;min-height:1.1rem}
.form-success{margin-top:.6rem;color:#0f7b35}

.contact-grid{display:grid;grid-template-columns:1fr 1fr; gap:1rem; align-items:start}
.info{background:var(--card)}

.site-footer{padding:2.2rem 0 3.8rem;border-top:1px solid var(--line); position:relative;background:#fff}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr; gap:1rem; align-items:start}
.footer-nav,.legal{display:flex;flex-direction:column;gap:.4rem}
.logo.small{font-weight:900}

.to-top{
  position:fixed;right:1rem;bottom:1rem;opacity:0;pointer-events:none;transition:.2s;
  border-radius:999px;border:1px solid var(--line); background:#fff; color:var(--brand); padding:.6rem .7rem; box-shadow:var(--shadow)
}
.to-top.show{opacity:1;pointer-events:auto}

/* Reveal animations */
.reveal{opacity:0; transform:translateY(12px); transition: all .6s cubic-bezier(.2,.8,.2,1)}
.reveal.visible{opacity:1; transform:none}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr; gap:1.2rem}
  .cards{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .menu{display:none; position:absolute; right:1rem; top:60px; background:#fff; padding:.7rem; border-radius:12px; box-shadow:var(--shadow); border:1px solid var(--line); flex-direction:column}
  .menu a{padding:.5rem .7rem;border-radius:.6rem}
  .nav-toggle{display:inline-block}
  .hero{padding:4.2rem 0 2rem}
  .field.two{grid-template-columns:1fr}
}