:root{
  --bg:#ffffff; --bg-soft:#f8fbf9; --ink:#1d2746; --ink-2:#2a3557; --muted:#5b6b7c; --line:#e8ecf0;
  --brand:#0b7a3d; --brand-2:#32965f; --brand-soft:#d5ece0; --brand-ink:#14692c;
  --accent:#1d2746; --chip:#eef2f5; --radius:16px;
  --shadow:0 12px 24px rgba(0,0,0,.08);
  --shadow-sm:0 4px 6px rgba(0,0,0,.04);
  --shadow-lg:0 25px 50px rgba(0,0,0,.15);
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* Top bar */
.topbar{background:var(--accent);color:#c7cede;font-size:13.5px;padding:10px 0}
.topbar .row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.topbar a{color:#c7cede}
.topbar .info{display:flex;gap:22px;flex-wrap:wrap}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .row{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{font-weight:800;font-size:22px;color:var(--ink);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}
.logo-mark{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:inline-block}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--ink);font-weight:500;font-size:15px}
.nav a.active,.nav a:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:14.5px;transition:.2s;border:none;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{background:var(--brand-soft);color:var(--brand-ink)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:transparent}

/* Hero */
.hero{background:linear-gradient(135deg,#1d2746 0%,#0b7a3d 100%);color:#fff;padding:90px 0 110px;text-align:center;position:relative;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.35}
.hero::before{width:400px;height:400px;background:#32965f;top:-100px;left:-100px}
.hero::after{width:340px;height:340px;background:#0b7a3d;bottom:-140px;right:-80px}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:800;letter-spacing:-1.2px;line-height:1.1;position:relative}
.hero p{margin-top:18px;font-size:18px;color:#d5ece0;max-width:640px;margin-left:auto;margin-right:auto;position:relative}
.breadcrumb{display:flex;gap:10px;justify-content:center;margin-top:22px;font-size:14px;color:#a9cbb8;position:relative}
.breadcrumb a{color:#a9cbb8}
.breadcrumb span{color:#fff}

/* Filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:-40px auto 0;background:#fff;padding:18px;border-radius:16px;box-shadow:var(--shadow);max-width:1100px;position:relative;z-index:5}
.filters button{background:var(--chip);border:1px solid transparent;color:var(--ink-2);padding:9px 18px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;transition:.2s;font-family:inherit}
.filters button:hover{background:var(--brand-soft);color:var(--brand-ink)}
.filters button.on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}

/* Grid */
section.projects{padding:70px 0 100px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.thumb{aspect-ratio:16/10;position:relative;overflow:hidden;background:#1d2746}
.thumb-link{display:block;width:100%;height:100%;color:inherit}
.thumb img,.thumb svg{width:100%;height:100%;display:block;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.06)}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(29,39,70,0) 72%,rgba(29,39,70,.10) 100%);pointer-events:none}
.chip{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--brand-ink);font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px;pointer-events:none;z-index:1}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.card p{color:var(--muted);font-size:14.5px;flex:1}
.card .meta{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--line);margin-top:6px}
.card .meta span{font-size:12.5px;color:var(--muted);font-weight:500}
.card .meta a{font-weight:600;font-size:14px}

/* Detail page */
.detail-hero{background:linear-gradient(135deg,#1d2746 0%,#0b7a3d 100%);color:#fff;padding:70px 0}
.detail-hero .grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.detail-hero .tag{display:inline-block;background:rgba(255,255,255,.12);color:#d5ece0;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:16px}
.detail-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-1px;line-height:1.15}
.detail-hero p.lead{margin-top:16px;color:#d5ece0;font-size:17px}
.detail-hero .cta{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.detail-hero .mock{background:#fff;border-radius:18px;padding:14px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.detail-hero .mock img,.detail-hero .mock svg{width:100%;height:auto;border-radius:10px;display:block;aspect-ratio:16/10;object-fit:cover}

.detail-body{padding:70px 0}
.detail-body .grid2{display:grid;grid-template-columns:2fr 1fr;gap:50px;align-items:start}
.detail-body .screens-full{grid-column:1 / -1;width:100%;margin-top:40px}
.detail-body .screens-full > h2{margin-top:0}
.detail-body h2{font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.5px;margin:32px 0 14px}
.detail-body h2:first-child{margin-top:0}
.detail-body p{color:var(--muted);margin-bottom:14px;font-size:15.5px}
.detail-body ul{padding-left:0;list-style:none;margin:12px 0}
.detail-body li{padding:10px 0 10px 30px;position:relative;color:var(--ink-2);font-size:15px;border-bottom:1px dashed var(--line)}
.detail-body li::before{content:"✓";position:absolute;left:0;top:10px;color:var(--brand);font-weight:800}
.sidecard{background:var(--brand-soft);border-radius:14px;padding:26px;position:sticky;top:100px}
.sidecard h4{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--brand-ink);margin-bottom:14px}
.sidecard .row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid rgba(11,122,61,.12);font-size:14.5px}
.sidecard .row:last-child{border-bottom:none}
.sidecard .row span:first-child{color:var(--muted);font-weight:500}
.sidecard .row span:last-child{color:var(--ink);font-weight:600;text-align:right;max-width:60%}
.sidecard .btn{width:100%;justify-content:center;margin-top:18px}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.stack span{background:#fff;color:var(--brand-ink);padding:6px 12px;border-radius:8px;font-size:13px;font-weight:600;border:1px solid rgba(11,122,61,.15)}

.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-top:18px}
.gallery .g{aspect-ratio:4/3;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.gallery img,.gallery svg{width:100%;height:100%;object-fit:cover;display:block}

.cta-band{background:linear-gradient(135deg,#1d2746,#0b7a3d);color:#fff;padding:60px 0;text-align:center}
.cta-band h2{font-size:32px;font-weight:800;letter-spacing:-.5px}
.cta-band p{color:#d5ece0;margin:10px 0 24px}

/* Footer */
footer{background:#141b33;color:#98a2b8;padding:60px 0 24px}
footer .grid4{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h5{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
footer a{color:#98a2b8;font-size:14px;display:block;padding:5px 0}
footer a:hover{color:var(--brand-2)}
footer .brand p{margin-top:10px;font-size:14px;line-height:1.7}
footer .bar{border-top:1px solid #2a3557;margin-top:40px;padding-top:20px;text-align:center;font-size:13px}

@media (max-width:860px){
  .nav{display:none}
  .detail-hero .grid2,.detail-body .grid2,footer .grid4{grid-template-columns:1fr}
  .sidecard{position:static}
  .gallery{grid-template-columns:repeat(2,1fr)}
}

/* SEO content blocks */
.seo-intro{max-width:820px;margin:28px auto 0;text-align:center;color:var(--muted);font-size:15.5px;line-height:1.7}
.cat-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:18px}
.cat-links a{background:var(--chip);color:var(--ink-2);padding:8px 14px;border-radius:999px;font-size:13.5px;font-weight:600}
.cat-links a:hover,.cat-links a.on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:#a9cbb8;margin-bottom:14px}
.crumb a{color:#d5ece0}
.crumb span{color:#fff}
.detail-body .crumb{color:var(--muted);margin-top:0}
.detail-body .crumb a{color:var(--brand)}
.detail-body .crumb span{color:var(--ink)}
.faq{margin-top:10px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0;background:#fff}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--brand-ink);margin-bottom:8px}
.faq p{margin:0;color:var(--muted);font-size:14.5px}
.related{margin-top:28px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.related-card{border:1px solid var(--line);border-radius:12px;padding:16px;background:#fff;transition:.2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.related-card h3{font-size:16px;margin-bottom:6px}
.related-card p{font-size:13.5px;color:var(--muted);margin:0 0 10px}
.related-card a{font-weight:600;font-size:13.5px}
.seo-note{font-size:14px;color:var(--muted);margin-top:8px}
@media (max-width:860px){
  .related-grid{grid-template-columns:1fr}
}