/* ===================== RUMAH GEOTEK — STYLES ===================== */
:root{
  --navy:#0d3b54;        /* biru tua geoteknik */
  --navy-deep:#082635;
  --teal:#0f8a8a;
  --accent:#f5a623;      /* aksen oranye tanah */
  --wa:#25d366;
  --wa-dark:#1da851;
  --ink:#1b2733;
  --muted:#5d6b78;
  --line:#e6ebf0;
  --bg:#ffffff;
  --bg-alt:#f4f7f9;
  --radius:14px;
  --shadow:0 10px 30px rgba(13,59,84,.10);
  --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55em;font-weight:700;font-size:.97rem;padding:.8em 1.4em;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.2s ease;line-height:1;white-space:nowrap}
.btn-lg{padding:1em 1.7em;font-size:1.05rem}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 8px 20px rgba(37,211,102,.35)}
.btn-wa:hover{background:var(--wa-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.ico-wa{width:1.25em;height:1.25em;fill:currentColor;flex:none}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.5px}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;font-weight:800;font-size:.95rem}
.brand-text{color:var(--navy);font-size:1.12rem;letter-spacing:1px}
.brand-text strong{color:var(--accent)}
.brand-logo{height:56px;width:auto;display:block}
.site-footer .brand-logo{height:62px}
@media(max-width:520px){.brand-logo{height:46px}}
.main-nav{display:flex;gap:26px;margin-left:auto}
.main-nav a{font-weight:600;color:var(--ink);font-size:.96rem}
.main-nav a:hover{color:var(--teal)}
.header-cta{margin-left:8px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:
  radial-gradient(1200px 500px at 80% -10%,rgba(15,138,138,.45),transparent 60%),
  linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:40px 40px;opacity:.5;mask-image:radial-gradient(80% 80% at 70% 20%,#000,transparent)}
.hero-inner{position:relative;z-index:2;padding:78px 22px 86px;max-width:860px}
.hero-eyebrow{display:inline-block;font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:.78rem;color:#bfe9e9;background:rgba(15,138,138,.25);padding:.45em .9em;border-radius:999px;margin-bottom:18px}
.hero-title{font-size:clamp(2.1rem,5.4vw,3.6rem);line-height:1.1;font-weight:800;letter-spacing:-.5px}
.hero-title .accent{color:var(--accent)}
.hero-sub{margin:20px 0 28px;font-size:clamp(1rem,1.6vw,1.18rem);color:#d8e4ea;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:14px 30px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.15)}
.hero-trust li{font-size:.92rem;color:#cfe0e8}
.hero-trust strong{display:block;font-size:1.35rem;color:#fff;line-height:1.1}

/* ---------- Strip ---------- */
.strip{background:var(--navy-deep);color:#9fb6c2}
.strip-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 18px;padding:14px 22px;font-size:.86rem;font-weight:600;letter-spacing:.3px}
.strip-inner span:first-child{color:#5e7686;text-transform:uppercase;font-size:.74rem;letter-spacing:1px}

/* ---------- Sections ---------- */
.section{padding:78px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.eyebrow{text-transform:uppercase;letter-spacing:1.4px;font-size:.78rem;font-weight:800;color:var(--teal);margin-bottom:10px}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.5rem);line-height:1.15;color:var(--navy);letter-spacing:-.4px}
.section-lead{margin-top:14px;color:var(--muted);font-size:1.05rem}
.section-cta{text-align:center;margin-top:42px}

/* ---------- Grids ---------- */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Service cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.22s ease}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card-ico{width:54px;height:54px;display:grid;place-items:center;font-size:1.6rem;background:var(--bg-alt);border-radius:12px;margin-bottom:16px}
.service-card h3{color:var(--navy);font-size:1.12rem;margin-bottom:8px;line-height:1.3}
.service-card p{color:var(--muted);font-size:.95rem}

/* ---------- Features ---------- */
.feature{background:#fff;border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);position:relative}
.feature-num{font-size:1.05rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--navy),var(--teal));width:42px;height:42px;display:grid;place-items:center;border-radius:10px;margin-bottom:14px}
.feature h3{color:var(--navy);font-size:1.08rem;margin-bottom:6px}
.feature p{color:var(--muted);font-size:.94rem}

/* ---------- Portfolio ---------- */
.portfolio-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s ease}
.portfolio-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.portfolio-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--navy),var(--teal));display:grid;place-items:center;color:rgba(255,255,255,.85);position:relative}
.portfolio-thumb img{width:100%;height:100%;object-fit:cover}
.portfolio-thumb .ph-ico{font-size:2.6rem}
.portfolio-cat{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--navy);font-size:.72rem;font-weight:700;padding:.35em .7em;border-radius:999px;letter-spacing:.3px}
.portfolio-body{padding:18px 18px 20px}
.portfolio-body h3{font-size:1.02rem;color:var(--navy);line-height:1.35;margin-bottom:8px}
.portfolio-meta{font-size:.85rem;color:var(--muted);font-weight:600}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--accent),#e8890f);color:#3a2400}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:54px 22px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.1rem);color:#2c1c00;line-height:1.2;max-width:680px}
.cta-band p{margin-top:8px;color:#4a3200;max-width:620px}
.cta-band .btn-wa{box-shadow:0 10px 26px rgba(0,0,0,.18)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#aebecb}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:36px;padding:56px 22px 40px}
.footer-brand p{margin-top:14px;font-size:.92rem;max-width:340px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:14px}
.footer-col a{display:block;font-size:.92rem;margin-bottom:9px;color:#aebecb}
.footer-col a:hover{color:#fff}
.footer-addr{font-size:.9rem;margin-top:6px;line-height:1.55}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.84rem;color:#7e93a2;text-align:center}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.5);animation:wapulse 2.4s infinite}
.wa-float svg{width:30px;height:30px;fill:#fff}
.wa-float:hover{background:var(--wa-dark)}
@keyframes wapulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Tentang Kami ---------- */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:40px;align-items:center}
.about-media{aspect-ratio:4/3;border-radius:18px;background:
  radial-gradient(700px 300px at 80% 0,rgba(15,138,138,.5),transparent 60%),
  linear-gradient(160deg,var(--navy),var(--navy-deep));
  display:grid;place-items:center;box-shadow:var(--shadow);position:relative;overflow:hidden}
.about-media::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:34px 34px}
.about-media span{position:relative;font-size:4.4rem;font-weight:800;color:#fff;letter-spacing:2px;opacity:.92}
.about-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-media.has-img::after,.about-media.has-img span{display:none}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);font-size:1.02rem;display:flex;align-items:center;gap:12px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";margin-left:auto;font-size:1.4rem;color:var(--teal);font-weight:700;transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--teal)}
.faq-a{padding:0 22px 20px}
.faq-a p{color:var(--muted);margin:0;font-size:.96rem}
.about-text h2{color:var(--navy);font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.18;margin:8px 0 14px}
.about-text p{color:var(--muted);margin-bottom:14px}
.about-stats{display:flex;gap:26px;flex-wrap:wrap;margin:20px 0 24px}
.about-stats strong{display:block;color:var(--teal);font-size:1.5rem;line-height:1.1}
.about-stats span{color:var(--muted);font-size:.86rem;font-weight:600}

/* ---------- Tenaga Ahli ---------- */
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;transition:.22s}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.team-avatar{width:92px;height:92px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;font-size:1.9rem;font-weight:800;overflow:hidden}
.team-avatar img{width:100%;height:100%;object-fit:cover}
.team-card h3{color:var(--navy);font-size:1.1rem;margin-bottom:3px}
.team-role{color:var(--teal);font-weight:700;font-size:.9rem;margin-bottom:10px}
.team-card p{color:var(--muted);font-size:.9rem;margin-bottom:8px}
.team-cred{display:inline-block;background:var(--bg-alt);color:var(--navy);font-size:.76rem;font-weight:700;padding:.3em .8em;border-radius:999px}

/* ---------- Klien ---------- */
.clients{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.client-card{aspect-ratio:3/2;background:#fff;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;padding:14px;text-align:center;transition:.2s}
.client-card:hover{box-shadow:var(--shadow);border-color:transparent}
.client-card img{max-width:100%;max-height:60px;object-fit:contain;filter:grayscale(1);opacity:.8;transition:.2s}
.client-card:hover img{filter:none;opacity:1}
.client-card span{color:var(--muted);font-weight:700;font-size:.9rem}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}.clients{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.clients{grid-template-columns:repeat(2,1fr)}}

/* ---------- Sub-page hero ---------- */
.page-hero{position:relative;color:#fff;background:linear-gradient(160deg,var(--navy),var(--navy-deep));padding:62px 0 54px;text-align:center}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,2.8rem);letter-spacing:-.4px}
.page-hero p{margin-top:12px;color:#cfe0e8;max-width:640px;margin-left:auto;margin-right:auto}
.breadcrumb{font-size:.85rem;color:#9fb6c2;margin-bottom:14px}
.breadcrumb a{color:#bfe9e9}
.breadcrumb a:hover{color:#fff}

/* ---------- Filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px}
.filter-btn{border:1.5px solid var(--line);background:#fff;color:var(--muted);font-weight:600;font-size:.9rem;padding:.5em 1.1em;border-radius:999px;cursor:pointer;transition:.18s}
.filter-btn:hover{border-color:var(--teal);color:var(--teal)}
.filter-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* ---------- Article cards ---------- */
.article-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.article-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--teal),var(--navy));display:grid;place-items:center;color:rgba(255,255,255,.85);font-size:2.4rem}
.article-thumb img{width:100%;height:100%;object-fit:cover}
.article-body-card{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.article-tag{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.6px;color:var(--teal)}
.article-card h3{font-size:1.08rem;color:var(--navy);line-height:1.35}
.article-card p{font-size:.92rem;color:var(--muted);flex:1}
.article-date{font-size:.82rem;color:var(--muted);font-weight:600}
.read-more{font-weight:700;color:var(--teal);font-size:.9rem}

/* ---------- Article (single) body ---------- */
.article-wrap{max-width:760px;margin:0 auto;padding:56px 22px 70px}
.article-wrap h1{font-size:clamp(1.7rem,3.6vw,2.4rem);color:var(--navy);line-height:1.2;margin-bottom:14px}
.article-wrap .meta{color:var(--muted);font-size:.9rem;font-weight:600;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article-wrap h2{color:var(--navy);font-size:1.4rem;margin:32px 0 12px}
.article-wrap h3{color:var(--navy);font-size:1.15rem;margin:24px 0 10px}
.article-wrap p{margin-bottom:16px;color:#33414e}
.article-wrap ul,.article-wrap ol{margin:0 0 18px 22px;color:#33414e}
.article-wrap li{margin-bottom:8px}
.article-wrap blockquote{border-left:4px solid var(--teal);background:var(--bg-alt);padding:14px 18px;border-radius:8px;margin:18px 0;color:var(--ink)}
.article-cta{margin-top:36px;padding:24px;background:var(--bg-alt);border-radius:var(--radius);text-align:center}
.article-cta h3{color:var(--navy);margin-bottom:12px}

.empty-note{grid-column:1/-1;text-align:center;color:var(--muted);padding:30px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .main-nav,.header-cta{display:none}
  .main-nav.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;padding:16px 22px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-toggle{display:flex}
  .grid-3{grid-template-columns:1fr}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-inner{padding:56px 22px 64px}
  .hero-cta .btn{width:100%;justify-content:center}
}