/* Rahsa Tumbuh Bersama — Foundation site
   Apple-like: calm, structured, generous whitespace, soft borders
   Headings: Philosopher | Body: Source Sans 3
*/

:root{
  --bg: #fbfaf7;
  --panel: rgba(255,255,255,.86);
  --card: rgba(255,255,255,.92);
  --card-solid: #ffffff;

  --ink: #162018;
  --muted: rgba(22,32,24,.68);
  --faint: rgba(22,32,24,.50);
  --line: rgba(22,32,24,.10);
  --line-2: rgba(22,32,24,.14);

  --green: #1f5f3a;
  --green-2: #2a7346;
  --gold: #b48a3a;

  --shadow: 0 24px 60px rgba(20, 30, 22, .10);
  --shadow-soft: 0 10px 28px rgba(20, 30, 22, .08);

  --r-xl: 28px;
  --r-lg: 22px;
  --r-md: 16px;

  --max: 1120px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: "Source Sans 3", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(31,95,58,.10), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(180,138,58,.10), transparent 60%),
    linear-gradient(180deg, #fbfaf7 0%, #fbfaf7 45%, #f6f5f0 100%);
  letter-spacing: .1px;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; }

.container{
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

hr.sep{
  border:0;
  border-top: 1px solid var(--line);
  margin: 28px 0;
}

/* Typography */
.h1,.h2,.h3{
  font-family: "Philosopher", Georgia, "Times New Roman", serif;
  letter-spacing: .2px;
}
.h1{
  font-size: clamp(36px, 4.2vw, 54px);
  line-height: 1.06;
  margin: 0 0 12px;
}
.h2{
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.15;
  margin: 0 0 10px;
}
.h3{
  font-size: 20px;
  line-height: 1.2;
  margin: 0 0 8px;
}
.lead{
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
  max-width: 68ch;
}
.small{
  font-size: 13px;
  color: var(--faint);
}
.kicker{
  display:flex;
  align-items:center;
  gap:10px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(22,32,24,.55);
  margin-bottom: 14px;
}
.kicker .dot{
  width: 7px; height: 7px; border-radius: 99px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.85), rgba(255,255,255,0) 55%),
              linear-gradient(180deg, rgba(180,138,58,.95), rgba(31,95,58,.75));
  border: 1px solid rgba(22,32,24,.12);
}

/* Top bar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(251,250,247,.70);
  border-bottom: 1px solid rgba(22,32,24,.08);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:flex-start;
  gap:10px;
  min-width: 260px;
}
.brand b{
  font-size: 15px;
  line-height: 1.1;
}
.brand span{
  display:block;
  margin-top: 3px;
  font-size: 12px;
  color: rgba(22,32,24,.56);
}

.nav{
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(22,32,24,.10);
  border-radius: 999px;
  padding: 6px;
  box-shadow: 0 10px 24px rgba(20,30,22,.08);
  display:flex;
  align-items:center;
  gap: 4px;
}
.nav a{
  font-size: 13px;
  color: rgba(22,32,24,.70);
  padding: 9px 14px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
  white-space: nowrap;
}
.nav a:hover{
  background: rgba(31,95,58,.10);
  color: rgba(22,32,24,.92);
}
.nav a.active{
  background: rgba(31,95,58,.14);
  color: rgba(22,32,24,.92);
  border: 1px solid rgba(31,95,58,.18);
}

/* Sections */
.section{
  padding: 44px 0;
}
.panel{
  background: var(--panel);
  border: 1px solid rgba(22,32,24,.10);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow);
  padding: 38px;
}
.panel + .panel{ margin-top: 18px; }

.grid{
  display:grid;
  gap: 18px;
}
.grid-2{ grid-template-columns: 1.2fr .8fr; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }

.card{
  background: var(--card);
  border: 1px solid rgba(22,32,24,.10);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
  padding: 22px;
}
.card.clean{
  background: rgba(255,255,255,.82);
  box-shadow: none;
}
.card.borderless{
  border-color: transparent;
  box-shadow: none;
}

.pills{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.pill{
  font-size: 12px;
  color: rgba(22,32,24,.70);
  border: 1px solid rgba(22,32,24,.12);
  background: rgba(255,255,255,.65);
  padding: 7px 10px;
  border-radius: 999px;
}

/* Buttons */
.actions{
  display:flex;
  gap: 10px;
  align-items:center;
  margin-top: 18px;
  flex-wrap: wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 13px;
  border: 1px solid rgba(22,32,24,.12);
  background: rgba(255,255,255,.75);
  box-shadow: 0 10px 22px rgba(20,30,22,.08);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 16px 30px rgba(20,30,22,.10); }
.btn.primary{
  background: linear-gradient(180deg, rgba(31,95,58,.98), rgba(31,95,58,.90));
  border-color: rgba(31,95,58,.35);
  color: #fff;
}
.btn.ghost{
  background: rgba(255,255,255,.55);
}

/* Hero */
.hero{
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(31,95,58,.12), transparent 60%),
    radial-gradient(760px 380px at 92% 10%, rgba(180,138,58,.10), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.55));
  border: 1px solid rgba(22,32,24,.10);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow);
  padding: 44px;
}
.hero .lead{ max-width: 62ch; }

/* Metrics */
.metrics{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.metric{
  padding: 14px 14px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,.60);
  border: 1px solid rgba(22,32,24,.10);
}
.metric b{
  display:block;
  font-size: 18px;
  letter-spacing: .2px;
}
.metric span{
  display:block;
  margin-top: 3px;
  font-size: 12px;
  color: rgba(22,32,24,.62);
}

/* Split (bilingual) */
.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.lang-title{
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(22,32,24,.50);
  margin-bottom: 10px;
}

/* Contact */
.contact-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.field{
  border-radius: var(--r-md);
  background: rgba(255,255,255,.70);
  border: 1px solid rgba(22,32,24,.10);
  padding: 14px;
}
.field .label{
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(22,32,24,.52);
}
.field .value{
  margin-top: 8px;
  font-size: 16px;
  font-weight: 650;
}
.field .hint{
  margin-top: 6px;
  font-size: 13px;
  color: rgba(22,32,24,.58);
}

/* Footer */
.footer{
  padding: 40px 0 56px;
  color: rgba(22,32,24,.55);
  font-size: 13px;
}
.footer .line{
  height: 1px;
  background: rgba(22,32,24,.10);
  margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 980px){
  .grid-2{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .contact-row{ grid-template-columns: 1fr; }
  .brand{ min-width: unset; }
  .panel, .hero{ padding: 24px; }
  .metrics{ grid-template-columns: 1fr; }
  .nav{
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}