/* irwansetyawan.com static site
   Elegant minimalist system
*/

:root{
  --bg:#fbfbfb;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --border: rgba(15, 23, 42, 0.10);
  --border-strong: rgba(15, 23, 42, 0.14);
  --accent:#0b2a5a; /* deep navy */
  --accent-2:#0a3a7a;
  --shadow: 0 10px 30px rgba(2,6,23,0.06);
  --radius:16px;
  --radius-sm:12px;
  --max:1120px;
  --pad:22px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  letter-spacing:-0.01em;
}

a{ color:var(--accent); text-decoration:none; }
a:hover{ color:var(--accent-2); }

.container{
  width:100%;
  max-width:var(--max);
  padding:0 var(--pad);
  margin:0 auto;
}

header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:saturate(180%) blur(10px);
  background:rgba(251,251,251,0.86);
  border-bottom:1px solid var(--border);
}

.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.brand a{
  font-weight:650;
  color:var(--text);
  letter-spacing:-0.02em;
}
.brand small{
  color:var(--muted);
  font-size:12.5px;
}

nav ul{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  justify-content:flex-end;
}

nav a{
  color:var(--muted);
  font-size:14px;
}
nav a:hover{ color:var(--text); }
nav a.active{ color:var(--text); font-weight:600; }

.actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--border-strong);
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:14px;
  transition: all 160ms ease;
  white-space:nowrap;
}
.btn:hover{
  transform:translateY(-1px);
  border-color:rgba(15,23,42,0.22);
}
.btn.primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.btn.primary:hover{
  background:var(--accent-2);
  border-color:var(--accent-2);
}
.btn.small{
  padding:8px 12px;
  font-size:13px;
}

main{ padding:34px 0 64px; }

.section{
  padding:64px 0;
}
.section.sm{ padding:44px 0; }

.grid{
  display:grid;
  gap:18px;
}
.grid.two{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three{ grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
}
.card.soft{
  background:rgba(255,255,255,0.72);
}
.card:hover{
  border-color:rgba(15,23,42,0.16);
}

.kicker{
  color:var(--muted);
  font-size:13px;
  letter-spacing:0.02em;
  text-transform:uppercase;
}

h1{
  font-size:44px;
  line-height:1.12;
  letter-spacing:-0.03em;
  margin:10px 0 14px;
}
h2{
  font-size:26px;
  line-height:1.25;
  letter-spacing:-0.02em;
  margin:0 0 12px;
}
h3{
  font-size:18px;
  line-height:1.3;
  margin:0 0 8px;
}

p{ margin:0 0 12px; color:var(--text); }
p.muted{ color:var(--muted); }

.hero{
  padding:44px 0 30px;
}
.hero-wrap{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap:20px;
  align-items:start;
}
.hero-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:24px;
  padding:28px;
  position:relative;
  overflow:hidden;
}
.hero-panel .pattern{
  position:absolute;
  inset:-40px -40px auto auto;
  width:420px;
  opacity:0.12;
  pointer-events:none;
  filter:grayscale(1);
}
.hero-ctas{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
}
.micro{
  font-size:13px;
  color:var(--muted);
  margin-top:10px;
}
.list{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--text);
}
.list li{ margin:6px 0; color:var(--text); }
.list li span{ color:var(--muted); }

.badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 12px;
  font-size:13px;
  color:var(--muted);
  background:rgba(255,255,255,0.8);
}

.proof{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}

.hr{
  height:1px;
  background:var(--border);
  margin:18px 0;
}

.footer{
  border-top:1px solid var(--border);
  padding:28px 0;
  color:var(--muted);
  font-size:13px;
}
.footer .row{
  display:flex;
  gap:18px;
  align-items:flex-start;
  justify-content:space-between;
  flex-wrap:wrap;
}
.footer a{ color:var(--muted); }
.footer a:hover{ color:var(--text); }

.form{
  display:grid;
  gap:12px;
}
.field{
  display:grid;
  gap:6px;
}
label{
  font-size:13px;
  color:var(--muted);
}
input, textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px 12px;
  font-size:14px;
  background:#fff;
  color:var(--text);
}
textarea{ min-height:120px; resize:vertical; }
input:focus, textarea:focus{
  outline:none;
  border-color:rgba(11,42,90,0.5);
  box-shadow:0 0 0 4px rgba(11,42,90,0.08);
}

.note{
  font-size:13px;
  color:var(--muted);
}

.pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.pill{
  border:1px solid var(--border);
  background:rgba(255,255,255,0.75);
  color:var(--muted);
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
}

@media (max-width: 940px){
  .hero-wrap{ grid-template-columns: 1fr; }
  h1{ font-size:38px; }
  .grid.three{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
  nav ul{ gap:14px; }
}

@media (max-width: 520px){
  h1{ font-size:34px; }
  .navbar{ gap:10px; }
  .brand small{ display:none; }
}