/* HeyWorks — shared site chrome (Apple clean): tokens, reset, nav, footer, reveal.
   Loaded on every page so navbar/footer are byte-identical. Page-specific
   component CSS still lives in each page's own <style> block / doc.css / blog.css.
   v1 — 2026-09-25 */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#FFFFFF;
  --bg-2:#F5F5F7;
  --bg-3:#FBFBFD;
  --ink:#1D1D1F;
  --ink-2:#6E6E73;
  --ink-3:#86868B;
  --line:#D2D2D7;
  --line-2:#E5E5EA;
  --accent:#0071E3;
  --accent-2:#0058B0;
  --accent-soft:rgba(0,113,227,.08);
  /* legacy aliases (dipakai page-level: about/brief/audit/checkout/privacy/terms) */
  --text:#1D1D1F;
  --text-2:#6E6E73;
  --text-dim:#86868B;
  --text-mute:#A1A1A6;
  --surface:#F5F5F7;
  --surface-2:#FBFBFD;
  --orange:#0071E3;
  --orange-soft:rgba(0,113,227,.08);
  --maxw:1080px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 6px 20px rgba(0,0,0,.05);
  --glow:0 0 0 4px rgba(0,113,227,.12);
  --grid:rgba(0,0,0,.05);
  --ok:#34C759;
  --warn:#FF9F0A;
  --bad:#FF3B30;
  --sans:"Helvetica Neue",Helvetica,Inter,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --r:18px;
  --ease:cubic-bezier(.22,1,.36,1);
}

html[data-theme="dark"]{
  --bg:#000000;
  --bg-2:#161618;
  --bg-3:#0D0D0F;
  --ink:#F5F5F7;
  --ink-2:#A1A1A6;
  --ink-3:#86868B;
  --line:#38383C;
  --line-2:#26262A;
  --accent:#2997FF;
  --accent-2:#64B5FF;
  --accent-soft:rgba(41,151,255,.16);
  --text:#F5F5F7;
  --text-2:#A1A1A6;
  --text-dim:#86868B;
  --text-mute:#6E6E73;
  --surface:#161618;
  --surface-2:#0D0D0F;
  --orange:#2997FF;
  --orange-soft:rgba(41,151,255,.16);
  --shadow:0 1px 3px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.35);
  --glow:0 0 0 4px rgba(41,151,255,.2);
  --grid:rgba(255,255,255,.06);
  --ok:#30D158;
  --warn:#FFD60A;
  --bad:#FF453A;
}

html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{overflow-x:hidden;max-width:100%}
img,svg,video{max-width:100%;height:auto}
pre{white-space:pre-wrap;word-break:break-word}
table{max-width:100%;display:block;overflow-x:auto}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.47;letter-spacing:-.022em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--accent);color:#fff}
a{color:var(--accent);-webkit-text-decoration:none;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* ---------- progress bar ---------- */
.pbar{position:fixed;top:0;left:0;height:2px;width:100%;background:transparent;z-index:201}
.pbar i{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left;
  background:var(--accent);transition:transform .1s linear}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:200;
  height:52px;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}
.nav.stuck{border-bottom-color:var(--line-2)}
.nav-in{height:100%;max-width:1080px;margin:0 auto;padding:0 22px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.brand{font-size:19px;font-weight:600;letter-spacing:-.03em;color:var(--ink);white-space:nowrap;
  display:inline-flex;align-items:center;gap:0;justify-self:start}
.brand i{font-style:normal;color:var(--ink-3);font-weight:500}
.brand-dot{color:var(--accent)}
.nav-links{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none}
.nav-links a{display:block;padding:8px 12px;font-size:14px;color:var(--ink-2);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);font-weight:500}
.nav-tools{display:flex;align-items:center;gap:8px;justify-self:end;margin-left:0}
.iconbtn{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;
  color:var(--ink-2);transition:background .2s,color .2s}
.iconbtn:hover{background:var(--bg-2);color:var(--ink)}
.iconbtn svg{width:18px;height:18px}
.iconbtn.burger{display:none}

/* ---------- burger panel: full-screen, scales from the burger button ---------- */
.bp{position:fixed;inset:0;z-index:300;background:var(--bg);
  display:flex;flex-direction:column;padding:0;
  opacity:0;visibility:hidden;pointer-events:none;
  transform:scale(.18);transform-origin:calc(100% - 48px) 26px;
  transition:opacity .32s var(--ease),transform .42s var(--ease),visibility 0s linear .42s}
.bp.open{opacity:1;visibility:visible;pointer-events:auto;transform:scale(1);
  transition:opacity .32s var(--ease),transform .42s var(--ease),visibility 0s}
.bp-in{width:100%;max-width:520px;margin:auto;padding:0 22px;
  display:flex;flex-direction:column;justify-content:center;flex:1}
.bp-in a{display:block;padding:15px 4px;font-size:clamp(1.5rem,7vw,2.1rem);font-weight:600;
  letter-spacing:-.03em;color:var(--ink);border-bottom:1px solid var(--line-2);
  opacity:0;transform:translateY(10px);transition:opacity .3s var(--ease),transform .3s var(--ease)}
.bp-in a:hover{color:var(--accent)}
.bp.open .bp-in a{opacity:1;transform:none}
.bp.open .bp-in a:nth-child(1){transition-delay:.1s}
.bp.open .bp-in a:nth-child(2){transition-delay:.15s}
.bp.open .bp-in a:nth-child(3){transition-delay:.2s}
.bp.open .bp-in a:nth-child(4){transition-delay:.25s}
.bp.open .bp-in a:nth-child(5){transition-delay:.3s}
.bp-close{position:absolute;top:6px;right:6px;display:flex;padding:10px}
.bp-close .iconbtn{width:40px;height:40px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:980px;font-size:15px;font-weight:500;letter-spacing:-.015em;
  transition:transform .2s var(--ease),background .2s,color .2s,box-shadow .2s}
.btn svg{width:16px;height:16px}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{color:var(--accent);background:transparent}
.btn-ghost:hover{background:var(--accent-soft)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line-2);padding:44px 0 34px;background:var(--bg-3)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:34px}
.foot-brand{font-size:1.3rem;font-weight:600;letter-spacing:-.03em;margin-bottom:8px;color:var(--ink)}
.foot p{font-size:.86rem;color:var(--ink-3);line-height:1.55;max-width:30ch}
.foot h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:12px;font-weight:500}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.foot ul a{font-size:.9rem;color:var(--ink-2)}
.foot ul a:hover{color:var(--ink)}
.foot-bot{border-top:1px solid var(--line-2);padding-top:20px;display:flex;
  justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-3)}

/* ---------- reveal ---------- */
.rv{opacity:1;transform:none}
html.js .rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
html.js .rv.in{opacity:1;transform:none}
html.js .rv[data-d="1"]{transition-delay:.07s}
html.js .rv[data-d="2"]{transition-delay:.14s}
html.js .rv[data-d="3"]{transition-delay:.21s}

/* ---------- dark mode ---------- */
html[data-theme="dark"] .nav{background:rgba(0,0,0,.72)}
html[data-theme="dark"] .iconbtn:hover{background:var(--bg-2);color:var(--ink)}
html[data-theme="dark"] .btn-dark{background:#F5F5F7;color:#1D1D1F}
html[data-theme="dark"] .btn-dark:hover{background:#fff}
html[data-theme="dark"] ::selection{background:var(--accent)}

/* ---------- universal click feedback ---------- */
.btn,.btn-primary,.btn-ghost,.btn-dark,.iconbtn,.brand,.flink,.bp-in a,.bp-close,
a[href^="#"],button{cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.btn,.btn-primary,.btn-ghost,.btn-dark,.iconbtn,.brand,.bp-close .iconbtn{transition:transform .18s cubic-bezier(.34,1.56,.64,1),background .2s,color .2s,box-shadow .2s,border-color .2s}
.btn:active,.btn-primary:active,.btn-ghost:active,.btn-dark:active{transform:scale(.955)}
.iconbtn:active,.bp-close .iconbtn:active{transform:scale(.88)}
.brand:active{transform:scale(.97)}
.tap{animation:tapSpring .34s cubic-bezier(.34,1.56,.64,1)}
@keyframes tapSpring{0%{transform:scale(.93)}100%{transform:scale(1)}}

/* ---------- responsive ---------- */
@media (max-width:768px){
  .nav-in{grid-template-columns:auto 1fr auto;gap:10px}
  .nav-links{display:none}
  .nav-tools{justify-self:end}
  .iconbtn.burger{display:grid}
  .wrap{padding:0 18px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .foot-grid{grid-template-columns:1fr;gap:26px}
}

/* ================= SECTION SHELL (shared) ================= */
.sec{padding:104px 0;position:relative}
@media (max-width:760px){.sec{padding:72px 0}}
.sec-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:50px;flex-wrap:wrap}
.sec-head.center{justify-content:center;text-align:center}
.sec-num{font-family:var(--mono);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);
  display:flex;align-items:center;gap:10px}
.sec-num::before{content:"";width:32px;height:1px;background:var(--accent)}
h2.sec-title{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.08;letter-spacing:-.03em;font-weight:700;
  text-transform:none;margin-top:14px;max-width:720px}
.sec-sub{margin-top:15px;max-width:460px;font-size:1rem;color:var(--ink-2)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  html.js .rv{opacity:1;transform:none}
  .tap{animation:none}
}