/* =====================================================================
   BAU-SYSTEM.CSS — CV BINTANG ANDAL UTAMA
   Sistem desain "Pusat Distribusi Nasional": navy institusional + biru
   aktif (cyan logo) + emas presisi/resmi. Sumber kebenaran tunggal.
   Dipakai bersama di SEMUA halaman + komponen Nav/Footer.
   ===================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* navy — warna dasar institusional */
  --navy-950:#06121F; --navy-900:#091B2E; --navy-800:#0B2138; --navy-700:#0F2C4C;
  --navy-600:#16395F; --navy-500:#1E4F82;
  /* biru */
  --blue-500:#2D6CB0; --blue-400:#3C7DC4;
  --cyan-500:#1B9DE0; --cyan-400:#37B0E8; --cyan-300:#73C7EE; --sky-200:#9DC2EC;
  /* emas — presisi / resmi */
  --gold-500:#D69A33; --gold-400:#E8B04B; --gold-300:#F2C871;
  /* netral */
  --paper:#F1F6FB; --paper-2:#E9F1F8; --surface:#FFFFFF;
  --ink:#0C1D2E; --slate:#42566B; --muted:#5E7186; --faint:#8597A9;
  --line:#DCE6F1; --line-2:#CBD9E8; --wa:#25D366;

  --maxw:1240px;
  --fs:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --fd:'Sora',var(--fs);
  --fm:'IBM Plex Mono',ui-monospace,monospace;

  --sh-sm:0 1px 0 var(--line),0 12px 28px rgba(11,33,56,.06);
  --sh-md:0 18px 44px rgba(11,33,56,.10);
  --sh-lg:0 30px 70px rgba(7,24,43,.20);
  --sh-cta:0 14px 30px rgba(45,108,176,.34);
  --r-sm:12px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);font-family:var(--fs);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
::selection{background:var(--sky-200);color:var(--navy-700);}
img{max-width:100%;}
a{color:inherit;}

/* keyboard focus terlihat */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--cyan-400);outline-offset:2px;border-radius:6px;
}

.bau-wrap{max-width:var(--maxw);margin:0 auto;padding-left:40px;padding-right:40px;}

/* ---- EYEBROW ---- */
.bs-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--fm);font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-500);}
.bs-eyebrow::before{content:"";width:26px;height:2px;background:var(--gold-400);border-radius:2px;display:inline-block;}
.bs-eyebrow.on-dark{color:var(--sky-200);}

/* ---- HEADINGS ---- */
.bs-h1{font-family:var(--fd);font-weight:800;font-size:clamp(36px,5.2vw,62px);line-height:1.04;letter-spacing:-.035em;margin:0;}
.bs-h2{font-family:var(--fd);font-weight:700;font-size:clamp(28px,3.4vw,40px);line-height:1.1;letter-spacing:-.025em;margin:0;}
.bs-lead{font-size:18px;line-height:1.65;color:var(--slate);margin:0;}

/* ---- BUTTONS ---- */
.bs-btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--fs);font-weight:600;font-size:16px;line-height:1;padding:16px 26px;border-radius:var(--r-pill);text-decoration:none;cursor:pointer;border:1.6px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;}
.bs-btn svg{width:18px;height:18px;flex:none;}
.bs-btn-primary{background:var(--blue-500);color:#fff;box-shadow:var(--sh-cta);}
.bs-btn-primary:hover{background:#245C97;transform:translateY(-2px);}
.bs-btn-gold{background:var(--gold-400);color:var(--navy-800);box-shadow:0 14px 30px rgba(214,154,51,.34);}
.bs-btn-gold:hover{background:var(--gold-300);transform:translateY(-2px);}
.bs-btn-light{background:#fff;color:var(--navy-700);border-color:var(--line-2);}
.bs-btn-light:hover{border-color:var(--navy-700);transform:translateY(-2px);}
.bs-btn-ghost{background:rgba(157,194,236,.08);color:#fff;border-color:rgba(157,194,236,.45);backdrop-filter:blur(4px);}
.bs-btn-ghost:hover{background:rgba(157,194,236,.18);transform:translateY(-2px);}

/* ---- CARD ---- */
.bs-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.bs-card.hoverable:hover{transform:translateY(-6px);box-shadow:var(--sh-md);border-color:var(--line-2);}

/* ---- HUD / PANEL STATISTIK ---- */
.bs-hud{display:grid;gap:1px;background:rgba(157,194,236,.16);border:1px solid rgba(157,194,236,.22);border-radius:var(--r-lg);overflow:hidden;}
.bs-hud-cell{background:var(--navy-800);padding:26px 22px;}
.bs-led{display:inline-flex;align-items:center;gap:8px;font-family:var(--fm);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--sky-200);}
.bs-led::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 0 0 rgba(55,176,232,.55);animation:bs-led 2.4s ease-out infinite;}
.bs-led.gold::before{background:var(--gold-400);box-shadow:0 0 0 0 rgba(232,176,75,.5);}
.bs-stat-num{font-family:var(--fd);font-weight:800;letter-spacing:-.03em;color:#fff;font-size:clamp(30px,3.4vw,44px);line-height:1;margin-top:14px;}
.bs-stat-unit{font-size:13px;color:var(--sky-200);margin-top:7px;font-family:var(--fm);letter-spacing:.04em;}

/* ---- TRUST STRIP ---- */
.bs-trust{display:flex;align-items:center;gap:30px;flex-wrap:wrap;}
.bs-trust img{height:46px;width:auto;opacity:.62;filter:saturate(.25);transition:opacity .2s,filter .2s;}
.bs-trust img:hover{opacity:1;filter:none;}

/* ---- PROSES BERNOMOR ---- */
.bs-step-no{font-family:var(--fd);font-weight:800;font-size:18px;color:var(--gold-400);}

/* ---- ENTRANCE / REVEAL (robust: text never depends on opacity animation) ---- */
@keyframes bs-fadeup{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
@keyframes bs-rise{from{transform:translateY(14px);}to{transform:none;}}
.bs-enter{animation:bs-rise .7s cubic-bezier(.22,.61,.36,1) both;}
/* scroll-driven reveal where supported; always-visible fallback otherwise */
.bs-reveal{opacity:1;}
@supports (animation-timeline: view){
  .bs-reveal{opacity:0;animation:bs-fadeup .8s cubic-bezier(.22,.61,.36,1) both;animation-timeline:view();animation-range:entry 0% cover 26%;}
}

/* ---- HERO NETWORK NODES ---- */
.bs-node{fill:var(--cyan-400);animation:bs-node-glow 2.8s ease-in-out infinite;}
.bs-node:nth-child(2){fill:var(--gold-400);}
@keyframes bs-node-glow{0%,100%{opacity:.55;}50%{opacity:1;}}

/* ---- HERO: animated distribution network over archipelago photo ---- */
.hero-net{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:screen;opacity:.95;}
.route{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);animation:bau-draw 2.6s ease forwards;}
.route.r2{animation-delay:.5s;}.route.r3{animation-delay:1s;}.route.r4{animation-delay:1.4s;}.route.r5{animation-delay:1.8s;}.route.r6{animation-delay:2.1s;}
@keyframes bau-draw{to{stroke-dashoffset:0;}}
.node{transform-box:fill-box;transform-origin:center;animation:bau-node-pulse 2.8s ease-in-out infinite;}
.node.n2{animation-delay:.4s;}.node.n3{animation-delay:.8s;}.node.n4{animation-delay:1.2s;}.node.n5{animation-delay:1.6s;}.node.n6{animation-delay:2s;}.node.n7{animation-delay:.6s;}
@keyframes bau-node-pulse{0%,100%{opacity:.5;r:3;}50%{opacity:1;r:5;}}
.node-ring{transform-box:fill-box;transform-origin:center;animation:bau-ring 2.8s ease-out infinite;}
.node-ring.n2{animation-delay:.4s;}.node-ring.n3{animation-delay:.8s;}.node-ring.n4{animation-delay:1.2s;}.node-ring.n5{animation-delay:1.6s;}.node-ring.n6{animation-delay:2s;}.node-ring.n7{animation-delay:.6s;}
@keyframes bau-ring{0%{opacity:.6;r:3;}100%{opacity:0;r:16;}}
.packet{filter:drop-shadow(0 0 5px rgba(115,199,238,.9));}
@media (prefers-reduced-motion:reduce){
  .route{stroke-dashoffset:0 !important;animation:none !important;}
  .node,.node-ring{animation:none !important;}
  .packets{display:none !important;}
}

/* ---- KEYFRAMES ---- */
@keyframes bs-led{0%{box-shadow:0 0 0 0 rgba(55,176,232,.5);}70%{box-shadow:0 0 0 8px rgba(55,176,232,0);}100%{box-shadow:0 0 0 0 rgba(55,176,232,0);}}
@keyframes bs-draw{to{stroke-dashoffset:0;}}
@keyframes bau-wa-pulse{0%{transform:scale(.9);opacity:.7;}70%{transform:scale(1.7);opacity:0;}100%{opacity:0;}}

/* =====================================================================
   NAV (komponen bersama)
   ===================================================================== */
.bau-navlinks{display:flex;align-items:center;gap:6px;}
.bau-navlink{position:relative;font-size:14.5px;font-weight:500;color:var(--slate);text-decoration:none;padding:10px 12px;border-radius:8px;transition:color .15s,background .15s;}
.bau-navlink:hover{color:var(--navy-700);background:var(--paper-2);}
.bau-navlink.active{color:var(--navy-700);font-weight:600;}
.bau-navlink.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--gold-400);border-radius:2px;}
.bau-burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;width:46px;height:46px;align-items:center;justify-content:center;color:var(--navy-700);cursor:pointer;}
.bau-mobile{display:none;flex-direction:column;gap:2px;padding:8px 24px 22px;background:#fff;border-bottom:1px solid var(--line);}
.bau-mobile.open{display:flex;}
.bau-mobile a{padding:13px 8px;font-size:15.5px;font-weight:500;color:var(--slate);text-decoration:none;border-bottom:1px solid var(--paper-2);}
.bau-mobile a.active{color:var(--navy-700);font-weight:600;}

/* =====================================================================
   WHATSAPP FLOAT (semua halaman)
   ===================================================================== */
.bau-wa-float{position:fixed;right:24px;bottom:24px;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(37,211,102,.42);z-index:200;}
.bau-wa-float svg{width:30px;height:30px;}
.bau-wa-pulse{position:absolute;inset:0;border-radius:50%;background:var(--wa);z-index:-1;animation:bau-wa-pulse 2.4s ease-out infinite;}

/* =====================================================================
   TOAST (form sukses)
   ===================================================================== */
.bau-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--navy-800);color:#fff;font-size:14.5px;font-weight:500;display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:var(--r-pill);box-shadow:var(--sh-lg);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s,transform .25s,visibility 0s linear .25s;z-index:210;}
.bau-toast svg{color:var(--cyan-400);}
.bau-toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition:opacity .25s,transform .25s,visibility 0s linear 0s;}

/* =====================================================================
   RESPONSIVE — grid stacking spasi-agnostik (cocok output runtime React)
   ===================================================================== */
@media (max-width:1024px){
  [style*="repeat(5"]{grid-template-columns:repeat(3,1fr) !important;}
  .bau-navlinks{gap:2px;}
}
@media (max-width:960px){
  .bau-navlinks,.bau-navcta{display:none !important;}
  .bau-burger{display:inline-flex !important;}
}
@media (max-width:820px){
  [style*="repeat(3"]{grid-template-columns:repeat(2,1fr) !important;}
}
@media (max-width:760px){
  [style*="repeat(5"],[style*="repeat(4"],[style*="repeat(3"],[style*="repeat(2"],
  [style*="1.05fr"],[style*="1.1fr"],[style*="1.15fr"],[style*=".85fr"],[style*="1fr 1fr"]{grid-template-columns:1fr !important;}
  .bau-footer-grid{grid-template-columns:1fr 1fr !important;gap:28px !important;}
  .bs-h1{font-size:34px;}
}
@media (max-width:560px){
  .bau-wrap{padding-left:22px;padding-right:22px;}
  .bau-footer-grid{grid-template-columns:1fr !important;}
}

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .bs-reveal{opacity:1 !important;transform:none !important;}
  .bs-enter{animation:none !important;opacity:1 !important;transform:none !important;}
  .bs-node{animation:none !important;}
  [data-draw]{stroke-dashoffset:0 !important;}
}