/* Elda Sarana Informatika — shared design system */
:root{
  --navy:#07102b;
  --navy-2:#0d1640;
  --indigo:#4338ca;
  --blue:#2563eb;
  --cyan:#06b6d4;
  --teal:#0f766e;
  --ink:#10213f;
  --muted:#60708a;
  --surface:#f6f8fc;
  --white:#fff;
  --line:rgba(16,33,63,.10);
  --shadow:0 18px 50px rgba(12,25,60,.12);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:auto}

/* Navigation */
.navbar{position:sticky;top:0;z-index:100;height:76px;background:rgba(7,16,43,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;letter-spacing:.3px}
.brand img{width:40px;height:40px;object-fit:contain}
.brand span{font-size:14px;line-height:1.05}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{color:#b9c2dc;padding:10px 14px;border-radius:12px;font-size:14px;font-weight:600;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.09)}
.nav-cta{background:linear-gradient(135deg,var(--indigo),var(--blue))!important;color:#fff!important}
.menu-toggle{display:none;border:0;background:transparent;color:#fff;font-size:26px;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 20px;border-radius:14px;font-weight:750;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--indigo),var(--blue));box-shadow:0 12px 28px rgba(67,56,202,.28)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.06)}

/* Shared headings */
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:800;color:var(--blue);margin:0 0 10px}
.section-head{max-width:720px;margin-bottom:34px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.08;margin:0 0 12px;letter-spacing:-1.5px}
.section-head p{margin:0;color:var(--muted);font-size:16px}
.section{padding:90px 0}
.surface{background:var(--surface)}

/* Home */
.hero{min-height:650px;color:#fff;position:relative;background:linear-gradient(90deg,rgba(4,10,29,.86),rgba(4,10,29,.35),rgba(4,10,29,.1)),url("../assets/hero-bg.JPG") center/cover}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,#07102b)}
.hero-inner{position:relative;z-index:1;min-height:650px;display:flex;align-items:center}
.hero-copy{max-width:700px;padding:70px 0}
.hero h1{font-size:clamp(46px,7vw,78px);line-height:.98;letter-spacing:-3px;margin:0 0 22px}
.hero h1 span{background:linear-gradient(90deg,#fff,#a5b4fc,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy p{max-width:590px;color:#e2e8f8;font-size:18px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px}
.stat{padding:14px 17px;border:1px solid rgba(255,255,255,.16);background:rgba(8,16,42,.42);backdrop-filter:blur(8px);border-radius:15px}
.stat strong{display:block;font-size:19px;color:#fff}
.stat span{font-size:11px;color:#b8c4dd}

/* Category cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.category-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 35px rgba(12,25,60,.06);transition:.25s}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.category-icon{width:72px;height:72px;border-radius:20px;background:linear-gradient(135deg,#eef2ff,#e0f2fe);padding:9px;margin-bottom:22px}
.category-icon img{width:100%;height:100%;object-fit:contain}
.category-card h3{margin:0 0 8px;font-size:19px}
.category-card p{margin:0;color:var(--muted);font-size:14px}

/* Split feature */
.split{display:grid;grid-template-columns:1fr 1fr;min-height:420px}
.split-media{min-height:420px;background:#0c1638}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-copy{padding:65px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#08112f,#1b2870);color:#fff}
.split-copy .eyebrow{color:#67e8f9}
.split-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.05;margin:0 0 18px;letter-spacing:-1.5px}
.split-copy p{color:#d3ddf2;margin:0 0 22px}
.feature-list{padding:0;margin:0;list-style:none;display:grid;gap:12px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;color:#e7edf9;font-size:14px}
.feature-list li:before{content:"✓";display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:rgba(34,211,238,.15);color:#67e8f9;flex:0 0 22px;font-weight:800}

/* CTA */
.cta-band{margin:0 auto;padding:55px;border-radius:30px;background:linear-gradient(135deg,#11184a,#4338ca 60%,#0891b2);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-band h2{margin:0 0 7px;font-size:30px}
.cta-band p{margin:0;color:#dce6fa}

/* Page hero */
.page-hero{padding:90px 0;color:#fff;background:linear-gradient(110deg,rgba(6,12,35,.92),rgba(36,42,125,.78)),url("../assets/hero-bg.JPG") center/cover}
.page-hero h1{font-size:clamp(42px,6vw,68px);line-height:1;margin:0 0 14px;letter-spacing:-2.5px}
.page-hero p{max-width:720px;color:#d8e0f3;margin:0;font-size:17px}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;border-radius:28px;background:#fff;box-shadow:var(--shadow)}
.about-visual{min-height:460px;background:url("../assets/hero-bg.JPG") center/cover}
.about-copy{padding:55px;display:flex;flex-direction:column;justify-content:center}
.about-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
.expertise-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.expertise-card{border:1px solid var(--line);border-radius:22px;padding:28px;background:#fff;position:relative;overflow:hidden}
.expertise-card:before{content:"";position:absolute;left:0;top:0;width:5px;height:100%;background:linear-gradient(var(--indigo),var(--cyan))}
.expertise-card h3{margin:0 0 9px;font-size:20px}
.expertise-card p{margin:0;color:var(--muted);font-size:14px}

/* Solutions */
.journey{display:grid;grid-template-columns:42% 58%;min-height:420px}
.journey-copy{padding:60px;background:#08112f;color:#fff}
.journey-copy h2{font-size:42px;line-height:1.05;margin:0 0 20px}
.journey-copy p{color:#cbd5ea;margin:0}
.journey-media img{width:100%;height:100%;object-fit:cover}
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.solution-card{overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 10px 35px rgba(12,25,60,.06);transition:.25s}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.solution-image{height:220px;background:#eef2ff}
.solution-image img{width:100%;height:100%;object-fit:contain}
.solution-info{padding:22px}
.solution-info h3{margin:0 0 7px;font-size:20px}
.solution-info p{margin:0;color:var(--muted);font-size:14px}

/* Products */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.product-card{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:0 10px 35px rgba(12,25,60,.06);transition:.25s}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product-image{height:280px;background:linear-gradient(135deg,#eef2ff,#e0f2fe);display:grid;place-items:center;padding:25px}
.product-image img{width:100%;height:100%;object-fit:contain}
.product-body{padding:25px}
.product-body .tag{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.product-body h2{font-size:24px;margin:12px 0 5px}
.product-body p{margin:0 0 14px;color:var(--muted);font-size:14px}
.product-body ul{margin:0;padding-left:18px;color:#43536d;font-size:13px}

/* Contact */
.contact-hero{min-height:560px;background:linear-gradient(90deg,rgba(4,10,29,.86),rgba(4,10,29,.15)),url("../assets/contact-hero.JPG") center/cover;display:flex;align-items:flex-end}
.contact-content{padding:80px 0;color:#fff}
.contact-content h1{font-size:clamp(44px,6vw,72px);line-height:1;margin:0 0 15px;letter-spacing:-3px}
.contact-content p{max-width:600px;color:#dce4f5}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:-45px;position:relative;z-index:2}
.contact-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
.contact-card .icon{font-size:26px;margin-bottom:12px}
.contact-card h3{margin:0 0 7px}
.contact-card p{margin:0;color:var(--muted);font-size:14px}
.contact-card a{color:var(--blue);font-weight:700}

/* Footer */
.footer{margin-top:0;background:#050b21;color:#aeb9d1;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;gap:10px}
.footer-brand img{width:38px;height:38px;object-fit:contain}
.footer p{font-size:13px;line-height:1.7}
.footer h3{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.1em}
.footer-links{display:grid;gap:7px;font-size:13px}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.08);margin-top:35px;padding-top:20px;font-size:11px}

/* Responsive */
@media(max-width:900px){
  .nav-links{gap:0}.nav-links a{padding:9px 9px;font-size:12px}
  .category-grid,.solution-grid{grid-template-columns:repeat(2,1fr)}
  .split,.about-grid,.journey{grid-template-columns:1fr}
  .split-copy{padding:45px 30px}.split-media{min-height:300px}
  .journey-copy{padding:45px 30px}.journey-media{min-height:300px}
  .product-grid{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:650px){
  .container{width:min(100% - 28px,1160px)}
  .navbar{height:auto;min-height:68px}.nav-inner{flex-wrap:wrap;padding:10px 0}
  .menu-toggle{display:block}
  .nav-links{display:none;width:100%;padding:5px 0 10px;flex-direction:column;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{text-align:center}
  .brand span{font-size:12px}
  .hero,.hero-inner{min-height:600px}.hero h1{letter-spacing:-2px}.hero-copy p{font-size:16px}
  .category-grid,.expertise-grid,.solution-grid{grid-template-columns:1fr}
  .section{padding:65px 0}
  .about-copy{padding:35px 25px}
  .about-visual{min-height:300px}
  .cta-band{padding:32px 25px;display:block}.cta-band .btn{margin-top:20px}
  .product-image{height:230px}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .page-hero{padding:65px 0}
}