/*
  Engel Willem — Portfolio (Original layout & styles)
  Enhanced interactivity + premium typography (no text changes).
*/

:root{
  --bg0:#070a12;
  --bg1:#0b1224;
  --bg2:#0f1b33;
  --card: rgba(255,255,255,.08);
  --card2: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.14);
  --accent: #8b5cf6;
  --accent2:#22c55e;
  --shadow: 0 18px 45px rgba(0,0,0,.38);
  --shadow2: 0 12px 28px rgba(0,0,0,.25);
  --radius: 18px;
  --radius2: 22px;
  --max: 1100px;
  --pad: 22px;
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur: 220ms;
  --ring: 0 0 0 3px rgba(139,92,246,.24);
}

html[data-theme="light"]{
  --bg0:#f6f7fb;
  --bg1:#ffffff;
  --bg2:#eef2ff;
  --card: rgba(0,0,0,.05);
  --card2: rgba(0,0,0,.08);
  --text: rgba(0,0,0,.88);
  --muted: rgba(0,0,0,.62);
  --line: rgba(0,0,0,.12);
  --shadow: 0 18px 45px rgba(15, 23, 42, .12);
  --shadow2: 0 10px 22px rgba(15, 23, 42, .10);
  --ring: 0 0 0 3px rgba(99,102,241,.20);
}

*{ box-sizing:border-box; }
html{ color-scheme: dark light; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 20% 10%, rgba(139,92,246,.20), transparent 55%),
    radial-gradient(900px 560px at 85% 18%, rgba(34,197,94,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg2));
  min-height:100vh;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: .1px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }

:where(a, button).btn,
.nav a,
.pill{
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

:where(a, button):focus-visible{
  outline: none;
  box-shadow: var(--ring);
}

.watermark{
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image: url("../img/watermark-dark.svg");
  background-repeat: repeat;
  background-size: 420px 300px;
  opacity: .16;
  z-index: 0;
  mix-blend-mode: screen;
  filter: saturate(1.2);
}
html[data-theme="light"] .watermark{
  background-image: url("../img/watermark.svg");
  opacity: .11;
  mix-blend-mode: multiply;
}

.page{ position:relative; z-index:1; }

.container{
  width: min(var(--max), calc(100% - 2*var(--pad)));
  margin:0 auto;
}

/* subtle cursor glow (inserted by JS) */
.cursor-glow{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: .35;
  transition: opacity var(--dur) var(--ease);
}
html[data-theme="light"] .cursor-glow{ opacity: .22; }

.cursor-glow::before{
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  left: var(--x, 50%);
  top: var(--y, 50%);
  transform: translate(-50%, -50%);
  background:
    radial-gradient(circle at center, rgba(139,92,246,.22), transparent 60%),
    radial-gradient(circle at center, rgba(34,197,94,.16), transparent 62%);
  filter: blur(2px);
}

/* scroll progress bar (inserted by JS) */
.scroll-progress{
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 60;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: .9;
}

.topbar{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(10,14,26,.86), rgba(10,14,26,.30));
  border-bottom: 1px solid var(--line);
}
html[data-theme="light"] .topbar{
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.42));
}

.topbar.scrolled{
  background: linear-gradient(180deg, rgba(10,14,26,.94), rgba(10,14,26,.44));
}
html[data-theme="light"] .topbar.scrolled{
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.55));
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding: 14px 0;
}
.topbar.scrolled .topbar-inner{ padding: 10px 0; }

.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand-badge{
  width:38px;height:38px;
  border-radius:12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: var(--shadow2);
}
.brand-title{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-title strong{ font-size:14px; letter-spacing:.2px; }
.brand-title span{ font-size:12px; color:var(--muted); }

.nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
  align-items:center;
}
.nav a{
  position: relative;
  font-size:13px;
  color: var(--muted);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
  overflow: hidden;
}
.nav a::after{
  content:"";
  position:absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
  opacity: .9;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
}
html[data-theme="light"] .nav a:hover{ background: rgba(0,0,0,.04); }
.nav a:hover::after{ transform: scaleX(.28); }

.nav a.active{
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.06);
}
html[data-theme="light"] .nav a.active{ background: rgba(0,0,0,.04); }
.nav a.active::after{ transform: scaleX(1); }

.btn{
  appearance:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
  cursor:pointer;
  box-shadow: none;
  position: relative;
  overflow: hidden;
  will-change: transform;
}
html[data-theme="light"] .btn{ background: rgba(0,0,0,.03); }

.btn:hover{
  background: rgba(255,255,255,.10);
  transform: translateY(-1px);
  text-decoration:none;
}
html[data-theme="light"] .btn:hover{ background: rgba(0,0,0,.06); }

.btn:active{ transform: translateY(0px) scale(.98); }

/* click ripple (span injected by JS) */
.btn .ripple{
  position:absolute;
  border-radius:999px;
  transform: translate(-50%, -50%);
  pointer-events:none;
  background: rgba(255,255,255,.22);
  animation: ripple .55s var(--ease) forwards;
}
html[data-theme="light"] .btn .ripple{ background: rgba(0,0,0,.12); }

.pill .ripple{
  position:absolute;
  border-radius:999px;
  transform: translate(-50%, -50%);
  pointer-events:none;
  background: rgba(255,255,255,.22);
  animation: ripple .55s var(--ease) forwards;
}
html[data-theme="light"] .pill .ripple{ background: rgba(0,0,0,.12); }

@keyframes ripple{
  from{ width: 0; height: 0; opacity: .9; }
  to{ width: 420px; height: 420px; opacity: 0; }
}

.hero{ padding: 62px 0 34px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items:stretch;
}

.card{
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}

.card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow), 0 0 0 1px rgba(139,92,246,.08);
}

.hero-left{
  padding: 28px;
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 8px 12px;
  width: fit-content;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 12px;
}
html[data-theme="light"] .kicker{ background: rgba(0,0,0,.03); }

.h1{
  font-size: clamp(30px, 3.8vw, 48px);
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.05;
}

/* premium highlight for bold phrases (same text) */
.subhead b{
  color: var(--text);
  background: linear-gradient(90deg, rgba(139,92,246,.18), rgba(34,197,94,.14));
  padding: 1px 6px;
  border-radius: 10px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.subhead{
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 15px;
}

.chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 6px;
}
.chip{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
}
html[data-theme="light"] .chip{ background: rgba(0,0,0,.03); }

.hero-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 12px;
}

.hero-right{
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.profile{
  display:flex;
  flex-direction: column;
  gap: 12px;
  align-items:stretch;
  padding: 14px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
}
html[data-theme="light"] .profile{ background: rgba(0,0,0,.03); }

.avatar{
  width: 100%;
  height: clamp(220px, 30vh, 340px);
  object-fit: cover;
  object-position: 50% 0%; /* geser fokus ke atas */
  border-radius: 18px;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 20% 20%, rgba(99,102,241,.35), transparent 60%),
    radial-gradient(120% 120% at 80% 70%, rgba(59,130,246,.28), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}

.profile-meta strong{ display:block; font-size: 14px; }
.profile-meta span{ display:block; font-size: 12px; color:var(--muted); margin-top:4px; }

.profile-links{ display:flex; gap:10px; flex-wrap:wrap; }
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 9px 12px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 12px;
  position: relative;
  overflow: hidden;
  will-change: transform;
}

html[data-theme="light"] .pill{ background: rgba(0,0,0,.03); }
.pill:hover{ transform: translateY(-1px); color: var(--text); }

section{ padding: 26px 0; }
.section-title{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.section-title h2{
  margin:0;
  font-size: 18px;
  letter-spacing: .2px;
}
.section-title p{
  margin:0;
  color: var(--muted);
  font-size: 13px;
}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tile{ padding: 16px; }
.tile h3{ margin: 0 0 8px; font-size: 14px; }
.tile p{ margin: 0; color: var(--muted); line-height: 1.7; font-size: 13px; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.list{
  margin:0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 13px;
}
.list li{
  margin: 7px 0;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.list li:hover{ color: var(--text); transform: translateX(2px); }

.timeline{ display:flex; flex-direction:column; gap: 10px; }
.item{ padding: 16px; }
.item strong{ display:block; font-size: 14px; }
.item span{ display:block; color: var(--muted); font-size: 12px; margin-top:4px; }
.item p{ margin: 10px 0 0; color: var(--muted); line-height: 1.75; font-size: 13px; }

.footer{
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
}
code.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  background: rgba(255,255,255,.06);
  border:1px solid var(--line);
  padding: 2px 6px;
  border-radius: 8px;
  color: var(--muted);
}
html[data-theme="light"] code.kbd{ background: rgba(0,0,0,.04); }

section[id] { scroll-margin-top: 96px; }
main.container { padding-bottom: 120px; }

/* reveal animation (classes toggled by JS) */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* responsive improvements */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }

  .topbar-inner{
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .nav{
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar{ display:none; }

  .hero{ padding-top: 44px; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior: auto !important; }
  :where(a, button).btn,
  .nav a,
  .pill,
  .list li,
  .reveal{ transition: none !important; }
  .card:hover{ transform: none; }
  .btn:hover{ transform: none; }
  .btn .ripple{ display:none; }
  .cursor-glow{ display:none; }
}