/* ============================================================
   KatePay Landing Page — sesuai desain proposal (merah/putih)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root{
  --primary:#D92B2B; --primary-dark:#B81E1E; --secondary:#F44336; --accent:#FF6B6B;
  --bg:#FFFFFF; --bg-soft:#FFF7F7; --ink:#1A1414; --muted:#6B6060; --line:#F0E4E4; --soft:#FDECEC;
  --radius:16px; --radius-lg:26px; --radius-xl:32px;
  --shadow-sm:0 1px 2px rgba(217,43,43,.04), 0 6px 18px rgba(20,10,10,.06);
  --shadow-md:0 12px 34px rgba(217,43,43,.10), 0 3px 10px rgba(20,10,10,.05);
  --shadow-red:0 16px 34px -12px rgba(217,43,43,.45);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.landing{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.landing a{color:inherit;text-decoration:none}
.landing img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tag{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);background:var(--soft);padding:6px 14px;border-radius:100px;margin-bottom:16px}
.section-h{font-size:2.1rem;font-weight:800;line-height:1.15;letter-spacing:-.02em}
.section-h .hl{color:var(--primary)}
.section-desc{color:var(--muted);font-size:1rem;max-width:560px;margin-top:14px}
.center{text-align:center}
.center .section-desc{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:.94rem;
  padding:13px 26px;border-radius:100px;border:none;cursor:pointer;font-family:inherit;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-red)}
.btn-primary:hover{transform:translateY(-2px);background:var(--primary-dark)}
.btn-ghost{background:#fff;border:1.6px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-white{background:#fff;color:var(--primary)}
.btn-white:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:.85rem}

/* ---------- Navbar ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem}
.logo .badge{background:var(--primary);color:#fff;padding:5px 12px;border-radius:10px;font-size:1rem;letter-spacing:-.01em;box-shadow:var(--shadow-red)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.92rem;font-weight:600;color:var(--muted);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1100px 500px at 82% -10%, rgba(255,107,107,.16), transparent 60%),
             radial-gradient(700px 400px at 0% 100%, rgba(217,43,43,.06), transparent 55%), var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:70px 0 44px}
.hero h1{font-size:3.2rem;line-height:1.06;font-weight:800;letter-spacing:-.03em}
.hero h1 .hl{color:var(--primary)}
.hero p.lead{color:var(--muted);font-size:1.08rem;margin:20px 0 30px;max-width:480px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* hero visual: kartu KIA + orbit ikon */
.hero-visual{position:relative;height:420px;display:grid;place-items:center}
.orbit{position:absolute;inset:0;pointer-events:none}
.kia-card{width:300px;height:190px;border-radius:20px;color:#fff;position:relative;z-index:3;padding:18px 20px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:var(--shadow-red);transform:rotate(-6deg)}
.kia-card .kia-top{display:flex;justify-content:space-between;align-items:center;font-size:.66rem;font-weight:700;letter-spacing:.1em;opacity:.9}
.kia-card .garuda{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:1rem}
.kia-card .kia-photo{width:52px;height:60px;border-radius:8px;background:rgba(255,255,255,.85);margin-top:16px}
.kia-card .kia-name{position:absolute;left:84px;bottom:52px;font-weight:800;font-size:1rem}
.kia-card .kia-no{position:absolute;left:20px;bottom:18px;font-size:.82rem;letter-spacing:.14em;font-weight:600;opacity:.95}
.kia-card .kia-chip{position:absolute;right:20px;bottom:18px;width:34px;height:26px;border-radius:6px;background:linear-gradient(135deg,#ffd97a,#e6a72d)}
.orbit-badge{position:absolute;display:flex;flex-direction:column;align-items:center;gap:6px;z-index:4}
.orbit-badge .ic{width:56px;height:56px;border-radius:16px;background:#fff;box-shadow:var(--shadow-md);display:grid;place-items:center;color:var(--primary)}
.orbit-badge .ic svg{width:26px;height:26px}
.orbit-badge span{font-size:.72rem;font-weight:700;color:var(--muted)}
.ob-1{top:6%;left:50%;transform:translateX(-50%)}
.ob-2{top:34%;right:2%}
.ob-3{bottom:6%;right:14%}
.ob-4{bottom:6%;left:14%}
.ob-5{top:34%;left:2%}

/* ---------- Stats bar (merah) ---------- */
.stats-bar{background:linear-gradient(120deg,var(--primary),var(--primary-dark));border-radius:var(--radius-lg);
  box-shadow:var(--shadow-red);display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:26px 20px;color:#fff;margin-top:8px}
.stat{display:flex;align-items:center;gap:13px;justify-content:center}
.stat .ic{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center;flex-shrink:0}
.stat .ic svg{width:22px;height:22px}
.stat .n{font-size:1.5rem;font-weight:800;line-height:1}
.stat .l{font-size:.76rem;opacity:.88}

/* ---------- Feature cards ---------- */
.cards{display:grid;gap:20px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-2{grid-template-columns:repeat(2,1fr)}
.f-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);transition:.25s}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--soft)}
.f-card .fic{width:52px;height:52px;border-radius:14px;background:var(--soft);color:var(--primary);display:grid;place-items:center;margin-bottom:16px}
.f-card .fic svg{width:26px;height:26px}
.f-card h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.f-card p{color:var(--muted);font-size:.9rem}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.about-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;
  background:linear-gradient(160deg,#ffe3e3,#fff);position:relative;display:grid;place-items:center;border:1px solid var(--line)}
.about-media .skyline{color:var(--primary);opacity:.9;width:70%}
.mvn{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.mvn .mv{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 16px;box-shadow:var(--shadow-sm)}
.mvn .mv .fic{width:40px;height:40px;border-radius:11px;background:var(--soft);color:var(--primary);display:grid;place-items:center;margin-bottom:10px}
.mvn .mv .fic svg{width:20px;height:20px}
.mvn .mv h4{font-size:.95rem;font-weight:800;margin-bottom:6px}
.mvn .mv p{font-size:.8rem;color:var(--muted)}

/* timeline */
.timeline{margin-top:56px}
.timeline-track{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.tl-item{position:relative;padding-top:38px}
.tl-item::before{content:"";position:absolute;top:13px;left:0;right:0;height:2px;background:var(--line)}
.tl-item .dot{position:absolute;top:0;left:0;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-red);z-index:2}
.tl-item .dot svg{width:15px;height:15px}
.tl-item .yr{font-weight:800;color:var(--primary);font-size:1.05rem}
.tl-item .ev{font-weight:700;font-size:.92rem;margin:2px 0 4px}
.tl-item p{font-size:.82rem;color:var(--muted)}

/* ---------- Platform ---------- */
.platform{background:var(--bg-soft)}
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-bottom:20px}
.phone{width:250px;height:500px;border-radius:38px;background:#1A1414;padding:12px;box-shadow:var(--shadow-md);margin:0 auto;position:relative}
.phone .screen{width:100%;height:100%;border-radius:28px;background:linear-gradient(160deg,#fff,#fff5f5);overflow:hidden;position:relative;padding:20px 16px}
.phone .notch{position:absolute;top:12px;left:50%;transform:translateX(-50%);width:90px;height:20px;background:#1A1414;border-radius:0 0 14px 14px;z-index:5}
.mini-balance{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:16px;padding:16px;margin-top:14px;box-shadow:var(--shadow-red)}
.mini-balance .l{font-size:.62rem;opacity:.85;letter-spacing:.08em}
.mini-balance .a{font-size:1.5rem;font-weight:800;margin-top:2px}
.mini-tabs{display:flex;justify-content:space-between;margin-top:14px}
.mini-tabs .t{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:.58rem;color:var(--muted);font-weight:600}
.mini-tabs .t .b{width:34px;height:34px;border-radius:11px;background:var(--soft);color:var(--primary);display:grid;place-items:center}
.mini-tabs .t .b svg{width:16px;height:16px}
.mini-list{margin-top:16px}
.mini-list .row{display:flex;align-items:center;gap:9px;padding:9px 0;border-bottom:1px solid var(--line)}
.mini-list .row .av{width:30px;height:30px;border-radius:9px;background:var(--soft);color:var(--primary);display:grid;place-items:center;flex-shrink:0}
.mini-list .row .av svg{width:15px;height:15px}
.mini-list .row .nm{font-size:.66rem;font-weight:700;flex:1}
.mini-list .row .vl{font-size:.66rem;font-weight:800}
.mini-list .row .vl.in{color:#177a4c}
.mini-list .row .vl.out{color:var(--primary)}
.trust{background:linear-gradient(120deg,var(--primary),var(--primary-dark));color:#fff;border-radius:var(--radius-lg);
  padding:30px 32px;display:flex;align-items:center;gap:24px;box-shadow:var(--shadow-red);margin-top:8px}
.trust .shield{width:64px;height:64px;border-radius:18px;background:rgba(255,255,255,.16);display:grid;place-items:center;flex-shrink:0}
.trust .shield svg{width:32px;height:32px}
.trust h3{font-size:1.25rem;font-weight:800;margin-bottom:4px}
.trust p{opacity:.9;font-size:.92rem}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.step{text-align:center;position:relative}
.step .num{width:60px;height:60px;border-radius:18px;background:#fff;border:1px solid var(--line);color:var(--primary);
  display:grid;place-items:center;margin:0 auto 14px;box-shadow:var(--shadow-sm);position:relative;z-index:2}
.step .num svg{width:28px;height:28px}
.step .num .badge{position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;background:var(--primary);color:#fff;font-size:.72rem;font-weight:800;display:grid;place-items:center;box-shadow:var(--shadow-red)}
.step h4{font-size:.98rem;font-weight:800;margin-bottom:6px}
.step p{font-size:.82rem;color:var(--muted)}
.step:not(:last-child)::after{content:"";position:absolute;top:30px;left:60%;width:80%;height:2px;
  background:repeating-linear-gradient(90deg,var(--soft) 0 8px,transparent 8px 14px);z-index:1}
.topup-banner{margin-top:48px;background:linear-gradient(120deg,var(--primary),var(--primary-dark));border-radius:var(--radius-lg);
  color:#fff;padding:34px 36px;box-shadow:var(--shadow-red);display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}
.topup-banner h3{font-size:1.5rem;font-weight:800;margin-bottom:8px}
.topup-banner p{opacity:.9;font-size:.94rem;max-width:420px}
.channels{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.channels .ch{background:rgba(255,255,255,.16);border-radius:12px;padding:10px 14px;font-size:.78rem;font-weight:700;display:flex;align-items:center;gap:8px}
.channels .ch svg{width:16px;height:16px}

/* ---------- Ecosystem ---------- */
.eco-diagram{position:relative;height:420px;margin:10px auto 0;max-width:640px}
.eco-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:150px;height:150px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow-red);z-index:3}
.eco-center .lg{font-weight:800;font-size:1.15rem}
.eco-center .sm{font-size:.72rem;opacity:.9}
.eco-ring{position:absolute;inset:0;border:2px dashed var(--soft);border-radius:50%;margin:38px}
.eco-node{position:absolute;width:118px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.eco-node .ic{width:60px;height:60px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);display:grid;place-items:center;color:var(--primary)}
.eco-node .ic svg{width:28px;height:28px}
.eco-node h4{font-size:.86rem;font-weight:800}
.eco-node p{font-size:.72rem;color:var(--muted);line-height:1.35}
.en-1{top:-6px;left:50%;transform:translateX(-50%)}
.en-2{top:28%;right:-10px}
.en-3{bottom:-6px;right:8%}
.en-4{bottom:-6px;left:8%}
.en-5{top:28%;left:-10px}
.eco-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.eco-stats .es{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center;box-shadow:var(--shadow-sm)}
.eco-stats .es .n{font-size:1.8rem;font-weight:800;color:var(--primary)}
.eco-stats .es .l{font-size:.82rem;color:var(--muted);margin-top:2px}

/* ---------- Contact ---------- */
.contact{background:var(--bg-soft)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.ci-item{display:flex;gap:15px;align-items:flex-start}
.ci-item .ic{width:46px;height:46px;border-radius:13px;background:var(--soft);color:var(--primary);display:grid;place-items:center;flex-shrink:0}
.ci-item .ic svg{width:22px;height:22px}
.ci-item .k{font-size:.78rem;color:var(--muted);font-weight:600}
.ci-item .v{font-weight:700;font-size:.96rem}
.socials{display:flex;gap:10px;margin-top:8px}
.socials a{width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-red);transition:.2s}
.socials a:hover{transform:translateY(-2px);background:var(--primary-dark)}
.socials a svg{width:20px;height:20px}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-md)}
.contact-form .field{margin-bottom:16px}
.contact-form label{display:block;font-size:.84rem;font-weight:700;margin-bottom:6px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:inherit;font-size:.94rem;background:var(--bg-soft);transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(217,43,43,.08)}
.contact-form textarea{resize:vertical;min-height:120px}
.alert{padding:13px 16px;border-radius:12px;font-size:.9rem;margin-bottom:18px;font-weight:600}
.alert-success{background:#E9F9F0;color:#177a4c;border:1px solid #BFEBD3}
.alert-error{background:#FDECEC;color:var(--primary);border:1px solid #F8CACA}

/* ---------- Footer ---------- */
.footer{background:#1A1414;color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .logo{color:#fff;margin-bottom:14px}
.footer p{font-size:.88rem;max-width:280px}
.footer h5{color:#fff;font-size:.92rem;font-weight:800;margin-bottom:14px}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer ul a{font-size:.86rem;transition:.2s}
.footer ul a:hover{color:var(--accent)}
.footer-bot{text-align:center;font-size:.82rem;padding-top:22px}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .nav-links{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 0;
    box-shadow:var(--shadow-md);border-bottom:1px solid var(--line);transform:translateY(-140%);transition:.3s;z-index:99}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 24px;width:100%}
  .nav-toggle{display:block}
  .hero-grid,.about-grid,.platform-grid,.contact-grid{grid-template-columns:1fr}
  .hero h1{font-size:2.5rem}
  .hero-visual{height:360px;order:-1}
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:20px}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .step:not(:last-child)::after{display:none}
  .timeline-track{grid-template-columns:repeat(2,1fr);gap:28px}
  .topup-banner{grid-template-columns:1fr}
  .channels{justify-content:flex-start}
  .eco-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .section{padding:60px 0}
  .section-h{font-size:1.7rem}
  .hero h1{font-size:2.1rem}
  .cards-4,.cards-3,.cards-2,.mvn,.eco-stats{grid-template-columns:1fr}
  .steps,.timeline-track,.footer-grid{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:1fr}
  .eco-diagram{height:520px}
}