/* FSA Lab — Gelombang 1: Retro 70s design system */
:root{
  --paper:#f4ecdc;
  --paper-deep:#ece1c9;
  --ink:#2b2620;
  --ink-soft:#5c5347;
  --sunset:#e4572e;
  --sunset-deep:#c7431f;
  --mustard:#e9c46a;
  --teal:#2a9d8f;
  --teal-deep:#1f7a6f;
  --card:#faf5e9;
  --line:#d8c9a8;
  --radius:14px;
  --font-display:"DM Serif Display",Georgia,serif;
  --font-body:"Inter",system-ui,sans-serif;
  --font-mono:"Space Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
/* film grain */
.grain{
  position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* sunset stripes divider */
.stripes{
  height:26px;
  background:repeating-linear-gradient(-45deg,
    var(--sunset) 0 26px, var(--mustard) 26px 52px,
    var(--teal) 52px 78px, var(--paper-deep) 78px 84px);
  border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);
}
.stripes-thin{height:14px}

/* NAV */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:1.5rem;
  padding:.7rem clamp(1rem,4vw,3rem);
  background:rgba(244,236,220,.96);
  border-bottom:2px solid var(--ink);
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.brand-badge{
  font-family:var(--font-display);font-size:1.05rem;
  background:var(--sunset);color:#fff;
  padding:.15rem .55rem;border-radius:8px;border:2px solid var(--ink);
  box-shadow:2px 2px 0 var(--ink);
}
.brand-name{font-weight:700;font-size:1.15rem;letter-spacing:.01em}
.nav-links{display:flex;gap:1.2rem;margin-left:auto}
.nav-links a{color:var(--ink-soft);text-decoration:none;font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--sunset-deep)}

/* BUTTONS */
.btn{
  display:inline-block;text-decoration:none;font-weight:600;
  border:2px solid var(--ink);border-radius:10px;
  padding:.55rem 1.15rem;color:var(--ink);background:var(--card);
  box-shadow:3px 3px 0 var(--ink);
  transition:transform .12s ease,box-shadow .12s ease;
}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn-primary{background:var(--sunset);color:#fff}
.btn-ghost{background:transparent}
.btn-lg{padding:.8rem 1.6rem;font-size:1.05rem}

/* HERO */
.hero{position:relative;overflow:hidden;padding:clamp(3rem,8vw,6rem) clamp(1rem,4vw,3rem) 0;border-bottom:2px solid var(--ink)}
.hero-sun{
  position:absolute;top:-90px;right:-70px;width:min(420px,60vw);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle at 50% 60%, var(--mustard) 0 34%, var(--sunset) 55%, transparent 72%);
  opacity:.85;pointer-events:none;
}
.hero-inner{position:relative;max-width:1100px;margin:0 auto}
.kicker{
  font-family:var(--font-mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal-deep);margin-bottom:1rem;
}
.hero h1{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.08;margin-bottom:1.2rem;
}
.hero h1 em{font-style:italic;color:var(--sunset-deep)}
.lede{font-size:1.12rem;max-width:44rem;color:var(--ink-soft);margin-bottom:1.8rem}
.lede strong{color:var(--ink)}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.6rem}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:3rem;max-width:900px}
.stat{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:.9rem 1rem;box-shadow:3px 3px 0 var(--ink);text-align:center}
.stat .num{font-family:var(--font-mono);font-weight:700;font-size:1.5rem;display:block;color:var(--sunset-deep)}
.stat .lbl{font-size:.82rem;color:var(--ink-soft)}

/* SECTIONS */
.section{padding:clamp(2.5rem,6vw,4.5rem) clamp(1rem,4vw,3rem);max-width:1200px;margin:0 auto}
.section h2{font-family:var(--font-display);font-weight:400;font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:1.6rem}
.section .lede{margin-bottom:2rem}

/* LENS CARDS */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.lens-card{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:1.6rem;box-shadow:4px 4px 0 var(--ink)}
.lens-card .icon{width:46px;height:46px;border-radius:12px;border:2px solid var(--ink);
  display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.lens-card .icon svg{width:24px;height:24px}
.lens-invest .icon{background:var(--mustard)}
.lens-credit .icon{background:var(--teal);color:#fff}
.lens-forensic .icon{background:var(--sunset);color:#fff}
.lens-card h3{font-family:var(--font-display);font-size:1.35rem;margin-bottom:.4rem}
.lens-q{font-style:italic;color:var(--sunset-deep);margin-bottom:.6rem}
.lens-card p{font-size:.95rem;color:var(--ink-soft);margin-bottom:.6rem}
.lens-out{font-size:.9rem!important}
.lens-out span{font-weight:700;color:var(--ink)}

/* FEATURE CARDS */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.feat{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:1.3rem;box-shadow:3px 3px 0 var(--ink)}
.feat .icon{width:40px;height:40px;border-radius:10px;border:2px solid var(--ink);background:var(--paper-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:.8rem}
.feat .icon svg{width:22px;height:22px}
.feat h3{font-size:1.02rem;margin-bottom:.35rem}
.feat p{font-size:.87rem;color:var(--ink-soft)}

/* PHASES */
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.phase{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:1.6rem;
  border:2px solid var(--ink);box-shadow:4px 4px 0 var(--sunset)}
.phase-tag{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--mustard)}
.phase h3{font-family:var(--font-display);font-size:1.5rem;margin:.4rem 0 .7rem}
.phase p{font-size:.92rem;color:#d9cdb4;margin-bottom:.8rem}
.phase .gate{font-size:.85rem;color:var(--mustard);border-top:1px dashed #6b5f4c;padding-top:.8rem;margin-bottom:0}

/* PSAK */
.section-psak{background:var(--paper-deep);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);max-width:none}
.section-psak .section-inner{max-width:1200px;margin:0 auto}
.section-psak{padding-left:clamp(1rem,4vw,3rem);padding-right:clamp(1rem,4vw,3rem)}
.psak-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin:1.6rem 0}
.psak-item{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:1.1rem;box-shadow:3px 3px 0 var(--teal-deep)}
.psak-item .num{font-family:var(--font-mono);font-weight:700;font-size:1.6rem;color:var(--teal-deep);display:block}
.psak-item p{font-size:.88rem;color:var(--ink-soft)}
.psak-note{font-size:.88rem;color:var(--ink-soft);font-style:italic;max-width:60rem}

/* CTA FINAL */
.cta-final{text-align:center}
.cta-final h2{margin-bottom:.8rem}
.cta-final p{color:var(--ink-soft);margin-bottom:1.6rem;max-width:38rem;margin-left:auto;margin-right:auto}

/* FOOTER */
footer{border-top:2px solid var(--ink)}
.foot-inner{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  padding:1.4rem clamp(1rem,4vw,3rem);max-width:1200px;margin:0 auto}
.foot-inner p{font-size:.85rem;color:var(--ink-soft)}

/* numbers always mono */
.num{font-family:var(--font-mono)}

/* RESPONSIVE */
@media (max-width:1000px){
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .psak-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .cards-3,.phases{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav .btn{margin-left:auto}
}
@media (orientation:landscape) and (max-height:500px){
  .section{max-width:none}
}