/* planetkomputer.com — style.css (complete rewrite)
   Color: Blue (#2563EB, #1E40AF), White, Gray (#F3F4F6, #6B7280)
   Mobile-first, Core Web Vitals optimized
*/

/* ===== RESET & BASE ===== */
:root{
  --blue:#2563EB;
  --blue-dark:#1E40AF;
  --gray-bg:#F3F4F6;
  --gray-text:#6B7280;
  --white:#fff;
  --dark:#111827;
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#1F2937;line-height:1.7;background:#fff;overflow-x:hidden}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;margin-bottom:1rem;color:#111827}
h2{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;margin-bottom:.8rem;color:#111827}
h3{font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:700;margin-bottom:.5rem;color:#111827}
p{margin-bottom:1rem}
ul,ol{margin-left:1.5rem;margin-bottom:1rem}
li{margin-bottom:.4rem}

/* ===== NAVBAR ===== */
.navbar{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.08);padding:.75rem 0}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.1rem;color:#1F2937}
.nav-logo svg{width:40px;height:40px}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:#333}
.nav-links{display:flex;list-style:none;gap:1.5rem;align-items:center;margin:0}
.nav-links a{color:#374151;font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff!important;padding:.5rem 1.25rem;border-radius:8px;font-weight:600}
.nav-cta:hover{background:var(--blue-dark);text-decoration:none}

/* Navbar — homepage variant (nav-container, nav-brand, nav-menu) */
.nav-container{max-width:1140px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.nav-brand{font-weight:800;color:#1F2937}
.nav-brand-accent{color:var(--blue)}
.nav-menu{display:flex;list-style:none;gap:1.5rem;align-items:center;margin:0}
.nav-menu a{color:#374151;font-size:.95rem;font-weight:500}
.nav-menu a:hover{color:var(--blue);text-decoration:none}
.nav-menu a.active{color:var(--blue);font-weight:600}
body.nav-open .nav-menu{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:#fff;padding:1rem;box-shadow:0 4px 12px rgba(0,0,0,.1);gap:.75rem}

@media(max-width:768px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem;box-shadow:0 4px 12px rgba(0,0,0,.1);gap:.75rem}
  .nav-links.active{display:flex}
  .nav-menu{display:none}
  body.nav-open .nav-menu{display:flex}
}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,#2563EB 0%,#1E40AF 100%);color:#fff;padding:4rem 0;text-align:center}
.hero h1{font-size:clamp(1.6rem,4vw,2.5rem);font-weight:800;margin-bottom:1rem;color:#fff}
.hero p{font-size:1.15rem;max-width:700px;margin:0 auto 1.5rem;opacity:.95}
.hero .btn{display:inline-block;background:#fff;color:var(--blue);padding:.75rem 2rem;border-radius:8px;font-weight:700;text-decoration:none;margin:.5rem}
.hero .btn:hover{opacity:.9;text-decoration:none}
.hero-content{text-align:center}
.hero-subtitle{font-size:1.1rem;max-width:700px;margin:0 auto 1.5rem;opacity:.95}

/* ===== SECTIONS ===== */
section{padding:3rem 0}
.section-alt{background:var(--gray-bg)}
.section-title{font-size:1.8rem;font-weight:700;margin-bottom:1rem;color:#111827}
.section-title.center{text-align:center}
.section-intro{color:var(--gray-text);margin-bottom:2rem;max-width:700px}
.section-sub{color:var(--gray-text);margin-bottom:2rem;max-width:700px}
.section-sub.center{margin-left:auto;margin-right:auto;text-align:center}
.section-note{color:var(--gray-text);font-size:.95rem;margin-top:1rem}

/* ===== GRID ===== */
.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(3,1fr)}
@media(max-width:768px){.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}}

/* ===== CARDS ===== */
.card{background:#fff;border:1px solid #E5E7EB;border-radius:var(--radius);padding:1.5rem;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);transform:translateY(-2px)}
.card h3{font-size:1.15rem;margin-bottom:.5rem;color:#111827}
.card p{color:#4B5563;font-size:.95rem}
.card .icon{width:48px;height:48px;background:var(--gray-bg);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:.75rem}

/* Card variants for homepage */
.card-icon{width:48px;height:48px;background:var(--gray-bg);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:.75rem}
.card-icon-large{width:56px;height:56px;margin-bottom:1rem;display:flex;align-items:center;justify-content:center}
.card-app{display:flex;flex-direction:column}
.card-number{font-size:2rem;font-weight:800;color:var(--blue);opacity:.2;position:absolute;top:.5rem;right:1rem;line-height:1}
.card-problem{position:relative;overflow:hidden}
.card-segment{display:flex;flex-direction:column;gap:.5rem}
.card-tip{margin-top:auto;font-size:.85rem;color:var(--blue);background:#EFF6FF;padding:.5rem .75rem;border-radius:6px}

/* ===== BUTTONS ===== */
.btn{display:inline-block;padding:.7rem 1.6rem;border-radius:8px;font-weight:600;font-size:1rem;transition:all .2s;cursor:pointer;border:2px solid transparent;text-decoration:none}
.btn-primary{background:var(--blue);color:#fff!important}
.btn-primary:hover{background:var(--blue-dark);text-decoration:none}
.btn-outline{background:transparent;border-color:#fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1);text-decoration:none}
.btn-large{padding:.9rem 2rem;font-size:1.1rem}
.btn-wa{background:#25D366;color:#fff!important}
.btn-wa:hover{background:#1da851;text-decoration:none}

/* ===== STEPS ===== */
.steps{counter-reset:step;list-style:none;margin:0;padding:0}
.step{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.5rem}
.step-num{flex-shrink:0;width:40px;height:40px;background:var(--blue);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.step-content h3{font-size:1.1rem;margin-bottom:.25rem}
.step-content p{color:var(--gray-text);font-size:.95rem}

/* ===== INFO BOX ===== */
.info-box{background:var(--gray-bg);border-left:4px solid var(--blue);padding:1.25rem 1.5rem;border-radius:0 8px 8px 0;margin:1.5rem 0}
.info-box p{margin:.25rem 0}
.info-box h4{color:var(--blue-dark);margin-bottom:.5rem}

/* ===== WARNING ===== */
.warning{margin-top:1rem;padding:.75rem 1rem;background:#FEF2F2;border-left:4px solid #EF4444;border-radius:0 6px 6px 0;color:#991B1B;font-size:.9rem}

/* ===== CTA ===== */
.cta-box{background:linear-gradient(135deg,#2563EB 0%,#1E40AF 100%);color:#fff;padding:3rem;text-align:center;border-radius:var(--radius);margin:2rem 0}
.cta-box h2{font-size:1.8rem;margin-bottom:.75rem;color:#fff}
.cta-box p{opacity:.95;margin-bottom:1.5rem;max-width:600px;margin-left:auto;margin-right:auto}
.cta-box .btn{background:#fff;color:var(--blue);padding:.75rem 2rem;border-radius:8px;font-weight:700;display:inline-block;text-decoration:none}
.cta-box .btn:hover{opacity:.9;text-decoration:none}
.cta-inline{margin-top:1.5rem;font-size:1rem}
.cta-inline a{font-weight:600;color:var(--blue)}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid #E5E7EB;padding:1rem 0}
.faq-item summary{cursor:pointer;font-weight:600;font-size:1.05rem;color:#111827;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:'+';font-size:1.3rem;color:var(--blue)}
.faq-item[open] summary::after{content:'\2212'}
.faq-item p{margin-top:.75rem;color:#4B5563}
.faq-list{margin-top:1rem}
.faq-list details{border-bottom:1px solid #E5E7EB;padding:1rem 0}
.faq-list summary{cursor:pointer;font-weight:600;font-size:1.05rem;color:#111827;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list p{margin-top:.75rem;color:#4B5563}

/* ===== TABLES ===== */
.table-wrap{overflow-x:auto;margin:1.5rem 0}
.comparison-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:600px}
.comparison-table th,.comparison-table td{padding:.8rem 1rem;border:1px solid #E5E7EB;text-align:left}
.comparison-table th{background:var(--gray-bg);font-weight:700;color:#111827}
.comparison-table tr:nth-child(even){background:#F9FAFB}

/* ===== LISTS ===== */
.checklist{list-style:none;display:grid;gap:.75rem;margin:1rem 0;padding:0}
.checklist li{display:flex;gap:.5rem;align-items:flex-start;color:#374151}
.check-list li::before{content:'\2714';color:var(--blue);font-weight:700;flex-shrink:0}
.check-icon{flex-shrink:0;font-size:1.1rem;line-height:1.7}
.tips-list{list-style:none;display:grid;gap:.75rem;margin:1rem 0;padding:0}
.tips-list li{padding-left:1.5rem;position:relative;color:#374151}
.tips-list li::before{content:'\2022';color:var(--blue);font-weight:700;font-size:1.5rem;position:absolute;left:0;top:-3px}
.mistakes-list{list-style:none;display:grid;gap:.75rem;margin:1rem 0;padding:0}
.mistakes-list li{padding-left:1.5rem;position:relative;color:#374151}
.mistakes-list li::before{content:'\26A0';position:absolute;left:0;top:0}

/* ===== FOOTER ===== */
.footer{background:#111827;color:#fff;padding:3rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:2rem}
.footer-grid h4{font-size:1rem;margin-bottom:.75rem;color:#fff}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid ul li{margin-bottom:.4rem}
.footer-grid a{color:#9CA3AF;font-size:.9rem}
.footer-grid a:hover{color:#fff;text-decoration:none}
.footer-col{display:flex;flex-direction:column;gap:.5rem}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:.5rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:.4rem}
.footer-col a{color:#9CA3AF;font-size:.9rem}
.footer-col a:hover{color:#fff}
.footer-logo{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:800;margin-bottom:.5rem}
.footer-desc{color:#9CA3AF;font-size:.85rem;margin-bottom:.5rem}
.footer-bottom{text-align:center;padding-top:1.5rem;border-top:1px solid #374151;font-size:.85rem;color:#9CA3AF}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr}}

/* ===== WA FLOAT ===== */
.wa-float{position:fixed;bottom:24px;right:24px;width:56px;height:56px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:999;box-shadow:0 4px 16px rgba(0,0,0,.2);transition:transform .2s;text-decoration:none}
.wa-float:hover{transform:scale(1.1);text-decoration:none}
.wa-float svg{width:32px;height:32px}

/* ===== BREADCRUMB ===== */
.breadcrumb{padding:1rem 0;font-size:.9rem;color:var(--gray-text)}
.breadcrumb a{color:var(--blue)}
.breadcrumb span{margin:0 .5rem}

/* ===== FORM ===== */
.form-group{margin-bottom:1.25rem}
.form-group label{display:block;font-weight:600;margin-bottom:.4rem;color:#111827}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:.65rem .85rem;border:1px solid #D1D5DB;border-radius:8px;font-size:1rem;font-family:inherit}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.form-group textarea{min-height:100px;resize:vertical}
.btn-submit{background:var(--blue);color:#fff;padding:.75rem 2rem;border:0;border-radius:8px;font-weight:700;font-size:1rem;cursor:pointer}
.btn-submit:hover{background:var(--blue-dark)}

/* ===== MAP ===== */
.map-embed{width:100%;height:350px;border:0;border-radius:var(--radius);margin-top:1rem}

/* ===== HOURS TABLE ===== */
.hours-table{width:100%;border-collapse:collapse}
.hours-table td,.hours-table th{padding:.65rem;border-bottom:1px solid #E5E7EB;text-align:left}
.hours-table th{font-weight:600;color:#111827}

/* ===== TAGS ===== */
.tag{display:inline-block;background:#DBEAFE;color:#1E40AF;padding:.2rem .7rem;border-radius:20px;font-size:.8rem;font-weight:600;margin:.2rem}

/* ===== MOBILE ===== */
@media(max-width:768px){
  .hero h1{font-size:1.75rem}
  .hero p{font-size:1rem}
  .section-title{font-size:1.4rem}
  .cta-box{padding:1.5rem}
  .cta-box h2{font-size:1.4rem}
  .comparison-table{font-size:.85rem}
}

/* ===== ADDITIONAL CLASSES (layanan, panduan, lokasi pages) ===== */
.bg-gray{background:var(--gray-bg)}
.bg-light{background:#F9FAFB}
.bg-blue{background:var(--blue);color:#fff}
.bg-dark-blue{background:var(--blue-dark);color:#fff}
.text-center{text-align:center}
.section-sm{padding:2rem 0}
.btn-lg{padding:.9rem 2rem;font-size:1.1rem}
.btn-outline-blue{background:transparent;border-color:var(--blue);color:var(--blue)}
.btn-outline-blue:hover{background:var(--blue);color:#fff!important;text-decoration:none}
.faq-answer{padding-top:.8rem;color:#4B5563}
.card-link{margin-top:1rem;display:inline-block;font-weight:600;font-size:.9rem;color:var(--blue)}

/* Service cards (layanan.html) */
.service-card{background:#fff;border:1px solid #E5E7EB;border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;gap:.5rem;transition:box-shadow .2s,transform .2s}
.service-card:hover{box-shadow:0 4px 16px rgba(37,99,235,.12);transform:translateY(-3px)}
.service-card .svc-icon{font-size:2rem}
.service-card h3{font-size:1.1rem}
.service-card p{font-size:.9rem;color:#4B5563}

/* Filter buttons (layanan.html) */
.filter-btn{background:var(--gray-bg);border:1px solid #E5E7EB;color:#374151;padding:.5rem 1.2rem;border-radius:8px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s}
.filter-btn:hover{background:#DBEAFE;color:var(--blue);border-color:var(--blue)}
.filter-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* Panduan / Knowledge Center */
.guide-hero{background:linear-gradient(135deg,#2563EB 0%,#1E40AF 100%);color:#fff;padding:3rem 0;text-align:center;border-radius:0 0 var(--radius) var(--radius)}
.guide-hero h1{color:#fff}
.guide-hero p{max-width:700px;margin:0 auto;opacity:.95}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin:2rem 0}
.guide-card{background:#fff;border:1px solid #E5E7EB;border-radius:var(--radius);padding:1.5rem;transition:box-shadow .2s,transform .2s;text-decoration:none;color:inherit}
.guide-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);transform:translateY(-2px);text-decoration:none}
.guide-card h3{font-size:1.1rem;color:#111827;margin-bottom:.5rem}
.guide-card p{font-size:.9rem;color:#6B7280}
.article-section{padding:2.5rem 0;border-bottom:1px solid #E5E7EB}
.article-section h2{font-size:1.5rem;margin-bottom:1rem;color:#111827}
.article-section h3{font-size:1.15rem;margin-bottom:.5rem;color:#1F2937}
.anchor-icon{color:var(--blue);text-decoration:none;margin-left:.5rem;font-size:.9rem;opacity:.5}
.anchor-icon:hover{opacity:1;text-decoration:none}
.callout{padding:1rem 1.25rem;border-radius:8px;margin:1.5rem 0;font-size:.95rem}
.callout-success{background:#ECFDF5;border-left:4px solid #10B981;color:#065F46}
.callout-warning{background:#FEF2F2;border-left:4px solid #EF4444;color:#991B1B}
.cta-btn{display:inline-block;background:var(--blue);color:#fff!important;padding:.7rem 1.6rem;border-radius:8px;font-weight:600;text-decoration:none;margin-top:1rem}
.cta-btn:hover{background:var(--blue-dark);text-decoration:none}

/* ===== PRINT ===== */
@media print{.navbar,.wa-float,.nav-cta{display:none}}