/* Body Age base, tema v2 "laporan makmal premium" (spec ../../SPEC-TEMA-V2.md).
   No colour values here, every colour is a var from css/theme.css.
   Serif display (Newsreader 500) for headings and hero numbers, Inter for body, tabular figures for data.
   Hairlines 1px, report-style section numbers, instruments instead of decoration. No tilt, no bounce. */

@font-face{font-family:"Newsreader";src:url(fonts/newsreader-500.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url(fonts/inter-var.woff2) format("woff2");font-weight:400 650;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader Fallback";src:local("Georgia"),local("Times New Roman");size-adjust:96%;ascent-override:92%;descent-override:26%}
@font-face{font-family:"Inter Fallback";src:local("Arial"),local("Helvetica");size-adjust:107%;ascent-override:90%;descent-override:22%}

:root{
  --f-display:"Newsreader","Newsreader Fallback",Georgia,serif;
  --f-text:"Inter","Inter Fallback",system-ui,-apple-system,sans-serif;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px;
  --ease-out:cubic-bezier(.22,1,.36,1);
  --gutter:clamp(1.1rem,4.6vw,5rem); --maxw:74rem; --sec-y:clamp(3.8rem,8vw,7.5rem);
  --bar-h:64px;
}

/* ---------- BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--bar-h) + 12px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--f-text);-webkit-font-smoothing:antialiased;overflow-x:clip;font-feature-settings:"calt" 1}
img,svg,picture{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
h1,h2,.display{font-family:var(--f-display);font-weight:500;letter-spacing:-.018em;line-height:1.04;margin:0;text-wrap:balance}
h1{font-size:clamp(2.5rem,1.7rem + 3.3vw,4.3rem)}
h2{font-size:clamp(2rem,1.45rem + 2.3vw,3.15rem)}
h3{font:600 clamp(1.08rem,1rem + .3vw,1.22rem)/1.3 var(--f-text);letter-spacing:-.01em;margin:0}
p{margin:0}
b,strong{font-weight:600}
.lede{font-size:clamp(1.08rem,1.02rem + .25vw,1.2rem);line-height:1.6;color:var(--ink-soft);max-width:34rem}
.small{font-size:.92rem;color:var(--ink-soft)}
.t2{color:var(--ink-soft)}
.num{font-variant-numeric:tabular-nums lining-nums}
.label{display:flex;align-items:center;gap:10px;margin:0;font:600 .74rem/1.2 var(--f-text);letter-spacing:.13em;text-transform:uppercase;color:var(--ink-soft)}
.label__n{font-variant-numeric:tabular-nums;color:var(--ink)}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--surface);color:var(--ink);padding:10px 16px;border-radius:var(--r-sm)}
.skip:focus{left:8px}
:where(a,button,summary,input,[tabindex]):focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:6px}
.wrap{width:min(100% - 2*var(--gutter),var(--maxw));margin-inline:auto}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- BUTTONS. One CTA colour (--cta) everywhere, secondary = hairline ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:52px;padding:.8em 1.35em;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--ink);font:600 1rem/1.1 var(--f-text);letter-spacing:-.005em;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background-color .2s var(--ease-out),border-color .2s var(--ease-out)}
.btn svg{width:1.05em;height:1.05em;flex:none}
.btn--brand{background:var(--cta);color:var(--on-cta);border-color:var(--cta)}
@media (hover:hover) and (pointer:fine){.btn:hover{border-color:var(--ink)}.btn--brand:hover{background:var(--cta-hover);border-color:var(--cta-hover)}}

/* ---------- HEADER + THEME TOGGLE ---------- */
.bar{position:sticky;top:0;z-index:90;height:var(--bar-h);display:flex;align-items:center;background:color-mix(in oklab,var(--bg) 90%,transparent);backdrop-filter:saturate(1.2) blur(12px);-webkit-backdrop-filter:saturate(1.2) blur(12px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:14px}
.logo{display:inline-flex;align-items:center;gap:9px;font:500 1.32rem/1 var(--f-display);letter-spacing:-.015em;text-decoration:none;color:var(--ink)}
.logo svg{width:28px;height:28px}
.bar nav{margin-left:auto;display:flex;gap:26px;font-weight:500;font-size:.94rem;color:var(--ink-soft)}
.bar nav a{text-decoration:none;padding:10px 0}
@media (hover:hover){.bar nav a:hover{color:var(--ink)}}
.bar__end{display:flex;align-items:center;gap:10px}
.bar nav+.bar__end{margin-left:22px}
.bar .btn{min-height:42px;padding:.55em 1.05em;font-size:.92rem}
.theme-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;background:transparent;color:var(--ink)}
.theme-btn svg{width:18px;height:18px}
.theme-btn .i-sun,.theme-btn .i-moon,.theme-btn .i-auto{display:none}
:root:not([data-theme]) .theme-btn .i-auto,:root[data-theme="light"] .theme-btn .i-sun,:root[data-theme="dark"] .theme-btn .i-moon{display:block}
@media (max-width:860px){.bar nav{display:none}.bar__end{margin-left:auto}}
@media (max-width:420px){.bar .btn--cta-bar{display:none}}

/* ---------- SECTIONS, report rhythm: hairline + numbered label ---------- */
.sec{position:relative;background:var(--bg);padding-block:var(--sec-y);overflow-x:clip;border-top:1px solid var(--line)}
.sec--alt{background:var(--bg-alt)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-top:14px;margin-bottom:clamp(1.6rem,3vw,2.6rem);border-top:1px solid var(--ink)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(2rem,5vw,5rem);align-items:center}
.split--rev>:first-child{order:2}
.stack{display:grid;gap:clamp(.9rem,1.5vw,1.2rem);justify-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}.split--rev>:first-child{order:0}}

/* ---------- CARD ---------- */
.panel{position:relative;padding:clamp(18px,2.4vw,26px);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);color:var(--ink);box-shadow:var(--sh-card)}
.panel__title{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line)}

/* ---------- PHONE FRAME, straight, soft ink shadow ---------- */
.phone{position:relative;margin:0;padding:9px;border-radius:44px;background:var(--phone-bezel);box-shadow:var(--sh-phone);max-width:300px}
.phone>picture,.phone>svg{display:block;overflow:hidden;border-radius:36px;background:var(--screen)}
.phone>picture{padding-top:30px}
.phone>picture img{width:100%}
.phone::after{content:"";position:absolute;top:18px;left:50%;width:76px;height:22px;translate:-50% 0;border-radius:99px;background:var(--phone-island);z-index:2}

/* ---------- SCALE, thin linear gauge. --tick = your age, --dot = Body Age, both in % of the track ---------- */
.scale{--tick:50%;--dot:50%;--c:var(--good);position:relative;height:30px}
.scale__track{position:absolute;left:0;right:0;top:14px;height:2px;border-radius:2px;background:var(--line-strong)}
.scale__span{position:absolute;top:13px;height:4px;border-radius:4px;background:var(--c);left:min(var(--tick),var(--dot));width:max(calc(var(--tick) - var(--dot)),calc(var(--dot) - var(--tick)))}
.scale__tick{position:absolute;top:6px;left:var(--tick);width:2px;height:18px;margin-left:-1px;background:var(--ink)}
.scale__dot{position:absolute;top:9px;left:var(--dot);width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--c);box-shadow:0 0 0 3px var(--surface)}
.scale.is-older{--c:var(--warn)}

/* ---------- STICKY BAR (mobile) ---------- */
.sticky-bar{display:none}
@media (max-width:860px){
  .sticky-bar{position:fixed;z-index:80;left:0;right:0;bottom:0;display:flex;align-items:center;gap:12px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:color-mix(in oklab,var(--bg) 94%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-top:1px solid var(--line);transition:transform .32s var(--ease-out)}
  .sticky-bar__proof{font-size:.84rem;line-height:1.3;color:var(--ink-soft)}
  .sticky-bar__proof b{color:var(--ink);font-size:.95rem}
  .sticky-bar .btn{margin-left:auto;min-height:48px;font-size:.95rem;padding:.7em 1.1em}
  html.js .sticky-bar{transform:translateY(110%)}
  html.js .sticky-bar.is-on{transform:none}
  body{padding-bottom:84px}
}

/* ---------- MOTION. Calm fade and draw, no bounce. No JS or reduced motion = final state ---------- */
@media (prefers-reduced-motion:no-preference){
  html.js [data-in] .rise{opacity:0;translate:0 10px;transition:opacity .6s var(--ease-out),translate .6s var(--ease-out);transition-delay:calc(var(--i,0) * 90ms + .05s)}
  html.js [data-in].is-in .rise{opacity:1;translate:0 0}
  html.js [data-in] .draw path{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.1s var(--ease-out) var(--d,.2s)}
  html.js [data-in].is-in .draw path{stroke-dashoffset:0}
  html.js [data-in] .scale__dot,html.js [data-in] .scale__span{transition:left 1.1s var(--ease-out) .3s,width 1.1s var(--ease-out) .3s}
  html.js [data-in]:not(.is-in) .scale__dot{left:var(--tick)}
  html.js [data-in]:not(.is-in) .scale__span{width:0;left:var(--tick)}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}