:root{--primary:#1B3A7B;--primary-light:#2B55A8;--primary-dark:#0F2354;--primary-50:#EBF0FA;--primary-100:#C6D4F0;--accent:#F59E0B;--accent-light:#FCD34D;--green:#16A34A;--dark:#0F172A;--dark-700:#1E293B;--dark-600:#334155;--gray-100:#F1F5F9;--gray-200:#E2E8F0;--gray-400:#94A3B8;--gray-500:#64748B;--white:#FFFFFF;--font-heading:'Plus Jakarta Sans',sans-serif;--font-body:'DM Sans',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-body);color:var(--dark);line-height:1.7;background:var(--white)}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
.nav{position:sticky;top:0;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--gray-200);z-index:100}
.nav-in{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 24px}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--dark-600);transition:.2s}
.nav-links a:hover{background:var(--primary-50);color:var(--primary);text-decoration:none}
.nav-cta{background:var(--primary)!important;color:var(--white)!important;font-weight:600!important;border-radius:10px!important}
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,var(--primary-light) 100%);padding:72px 24px;text-align:center;color:var(--white)}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600;color:var(--accent-light);margin-bottom:20px;letter-spacing:.05em}
.hero h1{font-family:var(--font-heading);font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.12;margin-bottom:16px;text-wrap:balance}
.hero p{font-size:16px;color:rgba(255,255,255,.8);max-width:580px;margin:0 auto 28px;line-height:1.7}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-wa{background:var(--accent);color:var(--dark);padding:14px 28px;border-radius:12px;font-weight:800;font-size:15px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:.2s}
.btn-wa:hover{background:var(--accent-light);text-decoration:none}
.btn-ghost{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4);padding:14px 28px;border-radius:12px;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:.2s}
.btn-ghost:hover{background:rgba(255,255,255,.1);text-decoration:none}
.wrap{max-width:960px;margin:0 auto;padding:60px 24px}
h2{font-family:var(--font-heading);font-size:26px;font-weight:800;color:var(--dark);margin-bottom:12px}
p{font-size:15px;color:var(--dark-600);line-height:1.8;margin-bottom:16px}
.section-label{font-size:11px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px}
.benefits-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:28px 0}
.ben-card{background:var(--white);border:1.5px solid var(--gray-200);border-radius:14px;padding:20px;display:flex;align-items:flex-start;gap:14px}
.ben-icon{font-size:28px;flex-shrink:0}
.ben-card h3{font-family:var(--font-heading);font-size:14px;font-weight:700;margin-bottom:5px}
.ben-card p{font-size:13px;color:var(--gray-500);margin:0;line-height:1.6}
.area-section{background:var(--gray-100);border-radius:20px;padding:36px;margin:40px 0}
.cluster-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}
.cluster-tag{background:var(--white);border:1px solid var(--gray-200);border-radius:8px;padding:9px 14px;font-size:13px;color:var(--dark-600);text-align:center}
.process-list{display:flex;flex-direction:column;gap:0;margin:24px 0}
.proc-item{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px solid var(--gray-200)}
.proc-item:last-child{border-bottom:none}
.proc-num{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:14px;font-weight:800;flex-shrink:0}
.proc-item h3{font-family:var(--font-heading);font-size:15px;font-weight:700;margin-bottom:4px}
.proc-item p{font-size:13px;color:var(--gray-500);margin:0;line-height:1.6}
.cta-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));border-radius:20px;padding:40px;text-align:center;margin:40px 0;color:var(--white)}
.cta-section h2{color:var(--white);margin-bottom:8px}
.cta-section p{color:rgba(255,255,255,.75);max-width:480px;margin:0 auto 24px;font-size:14px}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--white);color:var(--primary-dark);padding:14px 28px;border-radius:12px;font-weight:800;font-size:15px;text-decoration:none}
.cta-btn:hover{background:var(--gray-100);text-decoration:none}
.other-areas{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.other-areas a{background:var(--primary-50);border:1px solid var(--primary-100);border-radius:8px;padding:8px 16px;font-size:13px;color:var(--primary);font-weight:500;transition:.2s}
.other-areas a:hover{background:var(--primary-100);text-decoration:none}
footer{background:var(--dark);color:rgba(255,255,255,.6);text-align:center;padding:28px;font-size:13px}
footer a{color:var(--accent-light)}
@media(max-width:700px){.nav-links{display:none}.hero{padding:52px 20px}.benefits-grid{grid-template-columns:1fr}.cluster-grid{grid-template-columns:repeat(2,1fr)}.wrap{padding:40px 16px}}

/* ── Perbaikan luber di layar kecil ──────────────────────────────────────
   Grid kolom tetap yang ditulis langsung di atribut style tidak pernah
   menyusut: track 1fr bertumpu pada lebar min-content isinya, jadi kartu
   ber-padding tebal memaksa halaman melebar dan bisa digeser ke samping.
   min-width:0 melepas batas itu; jumlah kolom diturunkan bertahap supaya
   isinya tetap terbaca, bukan sekadar tidak luber. */
@media(max-width:768px){
  [style*="grid-template-columns:repeat("]>*{min-width:0}
  [style*="repeat(4,1fr)"],[style*="repeat(5,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
}
@media(max-width:560px){
  [style*="repeat(3,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
}
@media(max-width:430px){
  [style*="repeat(2,1fr)"],[style*="repeat(3,1fr)"],
  [style*="repeat(4,1fr)"],[style*="repeat(5,1fr)"]{grid-template-columns:1fr!important}
}

/* Tombol WhatsApp di header masih melebihi layar terkecil; dirampingkan
   agar muat tanpa menghilangkan tombolnya. */
@media(max-width:430px){
  nav .btn-wa{padding:7px 10px!important;font-size:11.5px!important;white-space:nowrap}
}


/* Shared performance safeguards */
img{max-width:100%;height:auto}
img[loading="lazy"]{content-visibility:auto}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.anim{opacity:1!important;transform:none!important}}
/* Qualified ducting lead form */
.lead-section{max-width:1100px;margin:0 auto;padding:18px 24px 58px}
.lead-card{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;padding:32px;border:1px solid var(--gray-200);border-radius:22px;background:linear-gradient(135deg,#f8fbff,#fff);box-shadow:0 12px 32px rgba(15,35,84,.08)}
.lead-copy h2{margin:5px 0 10px}
.lead-copy p{font-size:14px;color:var(--gray-500)}
.lead-benefits{list-style:none;margin:20px 0 0;padding:0}
.lead-benefits li{position:relative;padding:7px 0 7px 24px;color:var(--dark-600);font-size:13px}
.lead-benefits li::before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:900}
.ducting-lead-form{min-width:0}
.lead-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ducting-lead-form label{display:flex;flex-direction:column;gap:5px;color:var(--dark-600);font-size:12px;font-weight:700}
.ducting-lead-form input,.ducting-lead-form select,.ducting-lead-form textarea{width:100%;border:1px solid var(--gray-200);border-radius:9px;background:#fff;color:var(--dark);font:inherit;font-size:13px;font-weight:400;padding:11px 12px;outline:none}
.ducting-lead-form input:focus,.ducting-lead-form select:focus,.ducting-lead-form textarea:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(43,85,168,.12)}
.lead-notes{margin-top:14px}
.lead-submit{width:100%;margin-top:16px;border:0;border-radius:10px;background:var(--primary);color:#fff;font:inherit;font-size:14px;font-weight:800;padding:13px 16px;cursor:pointer}
.lead-submit:hover{background:var(--primary-light)}
.lead-submit:disabled{cursor:wait;opacity:.75}
.lead-form-status{min-height:22px;margin:9px 0 0!important;color:var(--gray-500)!important;font-size:12px!important;line-height:1.5!important}
@media(max-width:760px){.lead-section{padding:8px 16px 42px}.lead-card{grid-template-columns:1fr;padding:24px 18px;gap:20px}}
@media(max-width:480px){.lead-form-grid{grid-template-columns:1fr}.lead-card{border-radius:16px}}