/* Lambung Sadar — gaya bersama. Cerah, ramah, gaya web app.
   Layout: kontainer 1080px, section bernapas, kartu putih di atas latar hijau-krem muda. */
:root{
  --bg:#fafcf6; --bg2:#eef7f1; --surface:#ffffff; --ink:#0f2420; --muted:#5a6e68; --line:#e1ebe4;
  --brand:#0fa37f; --brand-ink:#ffffff; --brand-soft:#d9f4e8; --brand-deep:#0a7a5e;
  --alarm:#ff6b4a; --alarm-soft:#ffe5dd; --calm:#2f9fe8; --calm-soft:#e0f1fc; --sun:#ffc94d; --sun-soft:#fff2cc;
  --skin:#f0c4a1; --skin-2:#e3ad86; --hair:#2b2220; --shirt:#0fa37f; --shirt-2:#0b8a6b; --pants:#2e4d6e;
  --shadow:0 1px 2px rgba(15,36,32,.05),0 10px 30px rgba(15,36,32,.08);
  --shadow-lg:0 2px 4px rgba(15,36,32,.05),0 24px 60px rgba(15,36,32,.12);
  --display:"Bricolage Grotesque","Plus Jakarta Sans",system-ui,sans-serif;
  --body:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:20px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0c1613; --bg2:#11201b; --surface:#15251f; --ink:#e7f2ed; --muted:#9bb2aa; --line:#24382f;
  --brand:#33cfa5; --brand-ink:#05201a; --brand-soft:#143a2f; --brand-deep:#62e2bf;
  --alarm:#ff8a6e; --alarm-soft:#3a1d17; --calm:#6cc3ff; --calm-soft:#12283a; --sun:#ffd36b; --sun-soft:#3a3015;
  --skin:#e8b993; --skin-2:#d39d76; --hair:#1a1412; --shirt:#1fb88f; --shirt-2:#16936f; --pants:#3b5f86;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px rgba(0,0,0,.45);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c1613; --bg2:#11201b; --surface:#15251f; --ink:#e7f2ed; --muted:#9bb2aa; --line:#24382f;
  --brand:#33cfa5; --brand-ink:#05201a; --brand-soft:#143a2f; --brand-deep:#62e2bf;
  --alarm:#ff8a6e; --alarm-soft:#3a1d17; --calm:#6cc3ff; --calm-soft:#12283a; --sun:#ffd36b; --sun-soft:#3a3015;
  --skin:#e8b993; --skin-2:#d39d76; --hair:#1a1412; --shirt:#1fb88f; --shirt-2:#16936f; --pants:#3b5f86;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 2px 4px rgba(0,0,0,.3),0 24px 60px rgba(0,0,0,.45);
  color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;margin:0;-webkit-font-smoothing:antialiased}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.container{max-width:1080px;margin:0 auto;min-width:0}
.narrow{max-width:680px;margin:0 auto;min-width:0}
h1,h2,h3,h4{font-family:var(--display);line-height:1.1;letter-spacing:-.02em;text-wrap:balance;margin:0;font-weight:700}
h1{font-size:clamp(2.2rem,5.6vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.8vw,2.4rem)}
h3{font-size:1.25rem}
h4{font-size:1.05rem}
p{margin:0}
a{color:var(--brand-deep)}
.muted{color:var(--muted)}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.stack{display:flex;flex-direction:column;gap:16px;min-width:0}
.stack.lg{gap:28px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.center{text-align:center;align-items:center}
.center .lead{margin-inline:auto}

/* nav */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--bg)}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font:800 1.1rem var(--display);color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--brand);display:grid;place-items:center}

/* tombol */
.btn{appearance:none;border:0;border-radius:999px;background:var(--brand);color:var(--brand-ink);font:700 1rem var(--body);padding:14px 24px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 6px 18px color-mix(in srgb,var(--brand) 35%,transparent);transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px color-mix(in srgb,var(--brand) 40%,transparent)}
.btn.sm{padding:9px 16px;font-size:.9rem}
.btn.lg{padding:17px 30px;font-size:1.08rem}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.full{width:100%}
.btn[disabled]{opacity:.6;cursor:default;transform:none}
:focus-visible{outline:3px solid var(--calm);outline-offset:2px;border-radius:10px}

/* pill dan badge */
.pill{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 8px;font-size:.85rem;font-weight:600;box-shadow:var(--shadow)}
.pill .dot{width:22px;height:22px;border-radius:50%;background:var(--brand-soft);display:grid;place-items:center;color:var(--brand-deep);font-size:.75rem}
.tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-deep)}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 12px;font-size:.82rem;font-weight:700;box-shadow:var(--shadow-lg);white-space:nowrap}
.chip i{width:10px;height:10px;border-radius:50%;background:var(--alarm);flex:none}
.chip.ok i{background:var(--brand)}

/* section */
.sec{padding-block:64px}
.sec.tight{padding-block:40px}
.sec.tint{background:var(--bg2)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow);min-width:0}
.card.flat{box-shadow:none}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:820px){.g3{grid-template-columns:1fr}}
@media (max-width:620px){.g2{grid-template-columns:1fr}}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-block:48px 56px}
@media (max-width:860px){.hero{grid-template-columns:1fr;gap:24px;padding-block:32px 40px}}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.88rem;color:var(--muted)}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust span::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.8' fill='none' stroke='%230a7a5e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.visual{position:relative;max-width:460px;width:100%;margin-inline:auto}
.visual svg{width:100%;height:auto;display:block}
.float{position:absolute;z-index:2;animation:bob 5s ease-in-out infinite}
.float.f2{animation-delay:-2.5s}
@media (max-width:500px){.chip{font-size:.74rem;padding:6px 10px}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ilustrasi lambung */
.st-alarm{fill:var(--alarm);transition:opacity 1.2s ease}
.st-calm{fill:var(--brand);transition:opacity 1.2s ease;opacity:0}
.calm .st-alarm{opacity:0}
.calm .st-calm{opacity:1}
.ring{fill:none;stroke:var(--alarm);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:ring 1.6s ease-out infinite}
.ring.r2{animation-delay:.55s}
.ring.r3{animation-delay:1.1s}
.calm .ring{stroke:var(--brand);animation-duration:4s}
@keyframes ring{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.9);opacity:0}}
.breathe-ring{fill:none;stroke:var(--calm);stroke-width:3;opacity:.5;transform-box:fill-box;transform-origin:center;animation:breathe 10s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(.88)}40%{transform:scale(1.04)}}

/* fitur */
.icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;flex:none}
.icon svg{width:24px;height:24px}
.i-brand{background:var(--brand-soft);color:var(--brand-deep)}
.i-alarm{background:var(--alarm-soft);color:var(--alarm)}
.i-calm{background:var(--calm-soft);color:var(--calm)}
.i-sun{background:var(--sun-soft);color:#b5850f}
.feature{display:flex;flex-direction:column;gap:12px}
.steps3{counter-reset:s}
.step-n{width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;font:800 .95rem var(--display)}

/* form */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-weight:700;font-size:.9rem}
.field input,.field select,.field textarea{font:1rem var(--body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:14px;padding:13px 14px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 4px var(--brand-soft)}
.field textarea{min-height:84px;resize:vertical}
.check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;font-size:.88rem}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--brand);flex:none}
.err{color:var(--alarm);font-size:.88rem;font-weight:600}

/* peringatan */
.note{border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:6px;font-size:.93rem}
.note.warn{background:var(--alarm-soft);border:1px solid color-mix(in srgb,var(--alarm) 40%,transparent)}
.note.warn b{color:var(--alarm)}
.note.info{background:var(--calm-soft)}
.note.good{background:var(--brand-soft)}
.fine{font-size:.8rem;color:var(--muted)}

/* footer */
.foot{border-top:1px solid var(--line);padding-block:32px;font-size:.82rem;color:var(--muted)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}