/* Landing page PRIMS (prims4dev.com). Token warna, radius dan tipografi mengikuti
   docs/brand/prims-brand-identity-en-v4.html; font di-host sendiri (sama dengan
   apps/prims/assets/google_fonts) supaya halaman tidak memanggil pihak ketiga. */

@font-face{font-family:'Hanken Grotesk';font-weight:400;font-display:swap;src:url('fonts/HankenGrotesk-Regular.ttf') format('truetype')}
@font-face{font-family:'Hanken Grotesk';font-weight:600;font-display:swap;src:url('fonts/HankenGrotesk-SemiBold.ttf') format('truetype')}
@font-face{font-family:'Hanken Grotesk';font-weight:700;font-display:swap;src:url('fonts/HankenGrotesk-Bold.ttf') format('truetype')}
@font-face{font-family:'Hanken Grotesk';font-weight:800;font-display:swap;src:url('fonts/HankenGrotesk-ExtraBold.ttf') format('truetype')}
@font-face{font-family:'JetBrains Mono';font-weight:500;font-display:swap;src:url('fonts/JetBrainsMono-Medium.ttf') format('truetype')}

:root{
  --ink:#16203A;
  --indigo-700:#15387E;--indigo-500:#2E6FA6;--indigo-300:#A2B9E0;--indigo-100:#DDE5F3;--indigo-50:#EEF3FB;
  --green:#62A854;--red:#D5202A;
  --paper:#FFFFFF;--surface:#EEF0F3;--surface-2:#F5F7FA;--line:#E2E6EC;--line-2:#CBD3E0;
  --body-c:#414B5E;--muted:#677083;--faint:#9AA3B4;
  --ui:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
  --maxw:1140px;--r:13px;
}
@media (prefers-color-scheme: dark){
  :root{
    --ink:#E7ECF6;
    --indigo-700:#7FA0DE;--indigo-500:#8FB0E8;--indigo-300:#5A7CB8;--indigo-100:#1C2A45;--indigo-50:#141F35;
    --green:#7FC168;--red:#E37E74;
    --paper:#0B1220;--surface:#101A2C;--surface-2:#142033;--line:#28344E;--line-2:#3A4762;
    --body-c:#B9C4DA;--muted:#8794AD;--faint:#64708A;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ui);background:var(--paper);color:var(--body-c);font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.12;letter-spacing:-.02em;font-weight:800}
p{margin:0 0 .8em}
a{color:var(--indigo-500)}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--indigo-500);outline-offset:2px}
::selection{background:#2E6FA6;color:#fff}
.mono{font-family:var(--mono)}
.wrap{max-width:var(--maxw);margin:0 auto}

/* Page-level tricolor rule (brand doc §07): navy, hijau, merah. Warna tetap di kedua mode. */
.rule{display:flex;height:4px}
.rule i{flex:1}
.rule i:nth-child(1){background:#15387E}
.rule i:nth-child(2){background:#62A854}
.rule i:nth-child(3){background:#D5202A}

/* nav */
header.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:10px 28px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .wm{display:block;font-weight:800;font-size:17px;letter-spacing:.12em;color:var(--ink);line-height:1.1}
.brand .sub{display:block;font-size:11px;color:var(--muted);line-height:1.2}
.nav-links{margin-left:auto;display:flex;gap:2px}
.nav-links a{font-size:13.5px;font-weight:600;color:var(--body-c);padding:7px 11px;border-radius:8px;text-decoration:none}
.nav-links a:hover{background:var(--indigo-50);color:var(--indigo-700)}

.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--ui);font-size:14.5px;font-weight:700;padding:11px 20px;border-radius:9px;border:1px solid transparent;white-space:nowrap;text-decoration:none}
.btn-p{background:#15387E;color:#fff}
.btn-p:hover{background:#1B479E}
.btn-w{background:#fff;color:#15387E}
.btn-w:hover{background:#EEF3FB}
.btn-g{color:#fff;border-color:rgba(255,255,255,.34)}
.btn-g:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:8px 15px;font-size:13.5px}
@media (prefers-color-scheme: dark){.nav .btn-p{background:#2A56B0}}

/* hero: navy brand di kedua mode, seperti panel brand halaman login */
.hero{background:linear-gradient(165deg,#0B1F45 0%,#15387E 62%,#27579E 100%);color:#fff;overflow:hidden}
.hero-grid{max-width:var(--maxw);margin:0 auto;padding:84px 28px 80px;display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center}
.kick{font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:#A2B9E0;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(46px,6.4vw,78px);letter-spacing:.02em}
.hero .expand{font-size:clamp(16px,1.9vw,21px);font-weight:600;color:#CFDAF0;margin-top:12px;letter-spacing:-.01em}
.hero .tag{margin:30px 0 0;padding-left:20px;border-left:2px solid #62A854;font-size:clamp(19px,2.3vw,26px);font-weight:700;color:#fff;letter-spacing:-.015em;line-height:1.25}
.hero .lead{margin:22px 0 0;max-width:56ch;font-size:17px;color:#CFDAF0}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

.mark-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:34px}
.mark-card svg{display:block;width:100%;max-width:220px;height:auto;margin:0 auto}
.legend{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:12px}
.legend li{display:grid;grid-template-columns:14px 1fr;gap:12px;align-items:start;font-size:14px;color:#CFDAF0;line-height:1.45}
.legend i{width:14px;height:14px;border-radius:4px;margin-top:3px}
.legend b{color:#fff;font-weight:700}

/* sections */
section{padding:84px 28px;border-top:1px solid var(--line)}
section.hero{padding:0;border-top:none}
section.alt{background:var(--surface-2)}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo-500);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--indigo-300)}
.sec-title{font-size:clamp(27px,3.4vw,38px);max-width:22ch}
.sec-sub{font-size:17px;color:var(--muted);margin:12px 0 40px;max-width:68ch}
.label{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:500}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px}
.card h3{font-size:17px;margin:8px 0 6px;letter-spacing:-.01em}
.card p{font-size:14.5px;margin:0}

/* nama: lima huruf */
.letters{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.letter{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);padding:20px}
.letter .ch{font-size:44px;font-weight:800;color:var(--indigo-700);line-height:1;letter-spacing:0}
.letter .wd{font-size:16px;font-weight:700;color:var(--ink);margin-top:12px}
.letter p{font-size:14px;margin:6px 0 0}
.fordev{margin-top:20px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;border:1px solid var(--line);border-left:3px solid var(--green);border-radius:var(--r);background:var(--paper);padding:24px 28px}
.fordev .dom{font-family:var(--mono);font-size:clamp(20px,2.6vw,28px);color:var(--ink);white-space:nowrap}
.fordev .dom b{color:var(--indigo-700);font-weight:500}
.fordev h3{font-size:19px;margin-bottom:6px}
.fordev p{margin:0;font-size:15px;max-width:70ch}

/* rantai data */
.chain{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:step}
.chain li{position:relative;padding-top:30px;counter-increment:step}
.chain li::before{content:"";position:absolute;top:6px;left:0;right:-20px;height:2px;background:var(--line-2)}
.chain li:last-child::before{right:0}
.chain li::after{content:"";position:absolute;top:0;left:0;width:14px;height:14px;border-radius:4px;background:var(--dot)}
.chain .n{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.chain .n::before{content:"0" counter(step) " · "}
.chain h3{font-size:17px;margin:6px 0 6px;letter-spacing:-.01em}
.chain p{font-size:14.5px;margin:0}

/* modul */
.mod .label{display:inline-flex;align-items:center;gap:7px}
.mod .label i{width:7px;height:7px;border-radius:2px;background:var(--dot)}

/* akses */
.access{background:linear-gradient(165deg,#0B1F45 0%,#15387E 100%);border-radius:18px;padding:44px 48px;color:#CFDAF0;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.access h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.access p{margin:12px 0 0;max-width:62ch;font-size:16px}

footer{background:#16203A;color:#B9C4DA;padding:36px 28px;font-size:13.5px}
footer .wrap{display:flex;gap:10px 28px;align-items:center;flex-wrap:wrap}
footer strong{color:#fff;font-size:14.5px}
footer .links{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
footer a{color:#CFDAF0}
@media (prefers-color-scheme: dark){footer{background:#070D18}}

/* halaman teks (privacy) */
.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:clamp(30px,4vw,42px)}
.prose h2{font-size:21px;margin:36px 0 10px;letter-spacing:-.01em}
.prose p,.prose li{font-size:16px}
.prose ul{padding-left:20px;margin:0 0 .8em}
.prose li{margin-bottom:6px}
.prose .meta{color:var(--muted);font-size:14.5px;margin-top:10px}

@media (max-width:1000px){
  .letters{grid-template-columns:repeat(3,1fr)}
  .chain{grid-template-columns:1fr;gap:0}
  .chain li{padding:0 0 26px 34px}
  .chain li::before{top:6px;bottom:-6px;left:6px;right:auto;width:2px;height:auto}
  .chain li:last-child::before{display:none}
  .chain li:last-child{padding-bottom:0}
  .g3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-in{padding:10px 16px}
  .nav-in .btn{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:56px 16px 56px}
  .mark-card{padding:26px}
  .mark-card svg{max-width:150px}
  section{padding:60px 16px}
  .fordev{grid-template-columns:1fr;gap:12px;padding:22px}
  .access{grid-template-columns:1fr;padding:32px 24px}
  footer{padding:32px 16px}
  footer .links{margin-left:0}
}
@media (max-width:640px){
  .g2,.g3{grid-template-columns:1fr}
  .letters{grid-template-columns:1fr 1fr}
  .letter:last-child{grid-column:1/-1}
  .brand .sub{display:none}
}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}