/* ==========================================================================
   muhardiansyah.dev — Notion-style "persona" theme (after thenotionbar.com)
   One font (Geist Mono) · white ground · blush-pink accent ·
   2px black grid borders · square corners · left sidebar · zero animation.
   ========================================================================== */

:root {
  --font: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --bg: #ffffff;
  --ink: #191919;
  --ink-2: rgba(55, 53, 47, 0.72);
  --ink-3: rgba(55, 53, 47, 0.5);
  --grid: 2px solid var(--ink);
  --wash: rgba(0, 0, 0, 0.03);
  --pink: #fbe4e4;
  --pink-soft: #ffe8e8;
  --shadow: rgba(0, 0, 0, 0.14) 0 9px 20px;
  --sidebar-w: 240px;
}

* { box-sizing: border-box; }

/* Preloader — dark stage for the white monogram spinner */
#preloader {
  position: fixed; inset: 0; z-index: 999;
  display: grid; place-items: center;
  background: var(--ink);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.fini { opacity: 0; visibility: hidden; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
}

img { max-width: 100%; display: block; }
a { color: var(--ink); }
::selection { background: var(--pink); }

h1, h2, h3 { font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
.small { font-size: 0.8rem; color: var(--ink-3); }

/* --------------------------------------------------------------------------
   Layout: fixed sidebar + content
   -------------------------------------------------------------------------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky; top: 0;
  height: 100vh;
  border-right: var(--grid);
  display: flex; flex-direction: column;
  background: var(--bg);
  overflow-y: auto;
}
.sidebar .logo {
  display: block;
  padding: 16px 16px;
  border-bottom: var(--grid);
  text-decoration: none;
}
.sidebar .logo img { width: 100%; display: block; }
.sidebar .side-label {
  padding: 16px 18px 6px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.sidebar nav { display: flex; flex-direction: column; }
.sidebar nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 18px;
  font-size: 0.83rem;
  text-decoration: none;
  color: var(--ink-2);
}
.sidebar nav a:hover { background: var(--pink-soft); color: var(--ink); }
.sidebar .side-bottom {
  margin-top: auto;
  border-top: var(--grid);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.sidebar .side-soc { display: flex; flex-wrap: wrap; gap: 10px; font-size: 0.72rem; }
.sidebar .side-soc a { color: var(--ink-2); text-underline-offset: 3px; }

.content { min-width: 0; }

/* Every section is a bordered band of the grid, with a title rail on the left */
.band {
  border-bottom: var(--grid);
  display: grid;
  grid-template-columns: clamp(64px, 9vw, 122px) 1fr;
}
.band.no-rail { display: block; }
.band:last-of-type { border-bottom: none; }

/* the persona signature: big vertical sticky section title in a bordered rail */
.band .rail {
  border-right: var(--grid);
  display: flex;
  justify-content: center;
}
.band .rail h2 {
  writing-mode: vertical-rl;
  position: sticky;
  top: 22px;
  align-self: start;
  margin: clamp(20px, 4vw, 48px) 0;
  font-size: clamp(1.45rem, 3.4vw, 2.55rem);
  white-space: nowrap;
  gap: 14px;
}
.band-inner {
  width: 100%;
  min-width: 0;
  padding: clamp(36px, 5vw, 60px) clamp(20px, 4vw, 48px);
}

h2 {
  font-size: 1.3rem;
  margin: 0 0 4px;
  display: flex; align-items: center; gap: 10px;
}
h2 .emoji { font-size: 1.4rem; }
.section-sub { color: var(--ink-3); font-size: 0.83rem; margin: 0 0 28px; }

/* Hand-drawn doodle icons (assets/img/doodles.svg sprite) */
.doodle {
  width: 1.15em; height: 1.15em;
  flex: none;
  vertical-align: -0.22em;
  color: inherit;
}
h2 .doodle { width: 1.55rem; height: 1.55rem; }
.sidebar nav a .doodle { width: 1.1rem; height: 1.1rem; }
.svc .ico .doodle { width: 1.75rem; height: 1.75rem; }
.callout .ico .doodle { width: 1.3rem; height: 1.3rem; }
.pill .doodle { margin-right: 3px; }
.sidebar .pill { display: inline-flex; align-items: center; gap: 6px; justify-content: center; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero .avatar {
  width: 92px; height: 92px;
  object-fit: cover;
  border: var(--grid);
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); margin: 0 0 8px; }
.hero .roles { color: var(--ink-2); font-size: 0.9rem; margin: 0 0 24px; max-width: 62ch; }
.hero .roles b { color: var(--ink); font-weight: 600; }

.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px; }
.pill {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.82rem;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: 50px;
  border: var(--grid);
  background: var(--bg);
  color: var(--ink);
}
.pill:hover { background: var(--pink-soft); }
.pill.dark { background: var(--ink); color: #fff; }
.pill.dark:hover { background: #37352f; }
.pill:focus-visible, .toggle-block summary:focus-visible,
.seg button:focus-visible, .sidebar a:focus-visible {
  outline: 2px solid var(--ink); outline-offset: 2px;
}

/* callout — the Notion signature block, framed */
.callout {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--pink);
  border: var(--grid);
  padding: 16px 18px;
  font-size: 0.88rem;
}
.callout.gray { background: var(--wash); }
.callout .ico { flex: none; font-size: 1.1rem; line-height: 1.5; }
.callout p { margin: 0; }

/* About: text left, WPAP portrait right */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 264px;
  gap: 28px;
  align-items: start;
}
.about-art {
  margin: 0;
  border: var(--grid);
  position: sticky;
  top: 22px;
}
.about-art img { width: 100%; display: block; }

/* --------------------------------------------------------------------------
   Facts & stats
   -------------------------------------------------------------------------- */
.facts { margin-top: 26px; border: var(--grid); }
.facts .row {
  display: grid; grid-template-columns: 170px 1fr; gap: 12px;
  padding: 9px 14px;
  border-bottom: var(--grid);
  font-size: 0.85rem;
}
.facts .row:last-child { border-bottom: none; }
.facts .k { color: var(--ink-3); }
.facts a { color: inherit; }

.stat-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: var(--grid);
  margin-top: 26px;
}
.stat-cell {
  padding: 16px 14px;
  border-right: var(--grid);
  background: var(--bg);
}
.stat-cell:last-child { border-right: none; }
.stat-cell b { display: block; font-size: 1.35rem; font-weight: 600; }
.stat-cell span { font-size: 0.72rem; color: var(--ink-3); line-height: 1.4; display: block; margin-top: 2px; }

/* --------------------------------------------------------------------------
   Toggle blocks (skills) — stacked grid, collapsed borders
   -------------------------------------------------------------------------- */
.toggle-stack { border: var(--grid); }
.toggle-block { border-bottom: var(--grid); background: var(--bg); }
.toggle-block:last-child { border-bottom: none; }
.toggle-block summary {
  cursor: pointer;
  list-style: none;
  padding: 13px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 10px;
}
.toggle-block summary:hover { background: var(--pink-soft); }
.toggle-block summary::-webkit-details-marker { display: none; }
.toggle-block summary::before { content: "▸"; color: var(--ink-3); }
.toggle-block[open] summary::before { content: "▾"; }
.toggle-block summary .note { margin-left: auto; font-weight: 400; font-size: 0.75rem; color: var(--ink-3); text-align: right; }
.toggle-block .chips { padding: 2px 16px 14px 38px; display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  font-size: 0.74rem;
  padding: 3px 10px;
  background: var(--wash);
  border: 1px solid var(--ink);
  color: var(--ink-2);
  white-space: nowrap;
}
.tag.pink { background: var(--pink); color: var(--ink); }

/* --------------------------------------------------------------------------
   Experience
   -------------------------------------------------------------------------- */
.xp-stack { border: var(--grid); }
.xp { border-bottom: var(--grid); padding: 20px 18px; }
.xp:last-child { border-bottom: none; }
.xp .period { font-size: 0.75rem; color: var(--ink-3); }
.xp h3 { font-size: 1rem; margin: 4px 0 2px; }
.xp .org { font-size: 0.82rem; color: var(--ink-2); margin: 0 0 8px; }
.xp .org a { color: inherit; }
.xp ul { margin: 0; padding-left: 20px; font-size: 0.85rem; color: var(--ink-2); }
.xp li { margin: 3px 0; }
.xp .thesis { margin-top: 12px; }

/* --------------------------------------------------------------------------
   Services — collapsed-border grid
   -------------------------------------------------------------------------- */
.svc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: var(--grid);
}
.svc {
  padding: 18px;
  border-right: var(--grid);
  border-bottom: var(--grid);
  background: var(--bg);
}
.svc:nth-child(3n) { border-right: none; }
.svc:nth-child(n+4) { border-bottom: none; }
.svc:hover { background: var(--pink-soft); }
.svc .ico { font-size: 1.3rem; }
.svc h3 { font-size: 0.9rem; margin: 10px 0 6px; }
.svc p { font-size: 0.8rem; color: var(--ink-2); margin: 0; }

/* --------------------------------------------------------------------------
   Work gallery + view picker
   -------------------------------------------------------------------------- */
.seg {
  display: inline-flex;
  border: var(--grid);
  margin-bottom: 24px;
  background: var(--bg);
}
.seg button {
  font-family: var(--font);
  font-size: 0.78rem;
  border: none;
  border-right: var(--grid);
  background: none;
  color: var(--ink-2);
  padding: 8px 18px;
  cursor: pointer;
}
.seg button:last-child { border-right: none; }
.seg button:hover { background: var(--pink-soft); }
.seg button.active { background: var(--ink); color: #fff; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.g-card {
  border: var(--grid);
  background: var(--bg);
  display: flex; flex-direction: column;
}
.g-card:hover { box-shadow: var(--shadow); }
.g-card.hidden { display: none; }
.g-card.featured { grid-column: span 2; }
.g-thumb { aspect-ratio: 16 / 9.4; overflow: hidden; border-bottom: var(--grid); }
.g-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.g-body { padding: 15px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.g-body h3 { font-size: 0.95rem; margin: 0; }
.g-body .cat { font-size: 0.7rem; color: var(--ink-3); }
.g-body p { font-size: 0.8rem; color: var(--ink-2); margin: 0; }
.g-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.g-links { margin-top: auto; padding-top: 8px; display: flex; flex-wrap: wrap; gap: 14px; }
.g-links a { font-size: 0.78rem; color: var(--ink); text-underline-offset: 3px; }

/* --------------------------------------------------------------------------
   Research
   -------------------------------------------------------------------------- */
.pub {
  border: var(--grid);
  padding: 18px;
  margin-bottom: 14px;
  background: var(--bg);
}
.pub:hover { box-shadow: var(--shadow); }
.pub h3 { font-size: 0.92rem; margin: 0 0 6px; }
.pub h3 a { text-underline-offset: 3px; }
.pub .authors { font-size: 0.8rem; color: var(--ink-2); margin: 0; }
.pub .venue { font-size: 0.75rem; color: var(--ink-3); margin: 2px 0 10px; }
.pub .links { display: flex; gap: 14px; font-size: 0.78rem; }

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */
.contact-list { border: var(--grid); margin-bottom: 26px; }
.contact-list .row {
  display: grid; grid-template-columns: 150px 1fr; gap: 12px;
  padding: 11px 14px;
  border-bottom: var(--grid);
  font-size: 0.85rem;
}
.contact-list .row:last-child { border-bottom: none; }
.contact-list .k { color: var(--ink-3); }
.contact-list .meta { color: var(--ink-3); font-size: 0.75rem; margin-left: 10px; }

.banner {
  background: var(--pink);
  border: var(--grid);
  padding: clamp(26px, 5vw, 40px);
  text-align: center;
}
.banner h3 { font-size: 1.15rem; margin: 0 0 8px; }
.banner p { font-size: 0.85rem; color: var(--ink-2); max-width: 52ch; margin: 0 auto 20px; }
.banner .pill { background: var(--ink); color: #fff; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: var(--grid);
  padding: 30px clamp(20px, 4vw, 48px) 40px;
  font-size: 0.78rem;
  color: var(--ink-3);
}
.footer .soc { display: flex; flex-wrap: wrap; gap: 16px; margin: 10px 0 16px; justify-content: center; }
.footer .soc a, .sidebar .side-soc a { display: inline-flex; align-items: center; gap: 5px; }
.footer .soc .doodle, .side-soc .doodle { width: 1.05rem; height: 1.05rem; }
.footer .soc a { color: var(--ink-2); text-underline-offset: 3px; }
.footer .eq { color: var(--ink-3); }

/* Monogram stamp, fixed bottom-right — doubles as back-to-top */
#corner-mark {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: block;
  width: 52px; height: 52px;
  background: #fff;
  border: var(--grid);
}
#corner-mark img { width: 100%; height: 100%; display: block; }
#corner-mark:hover { box-shadow: var(--shadow); }
#corner-mark:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .svc:nth-child(3n) { border-right: var(--grid); }
  .svc:nth-child(2n) { border-right: none; }
  .svc:nth-child(n+4) { border-bottom: var(--grid); }
  .svc:nth-child(n+5) { border-bottom: none; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .stat-cell:nth-child(2) { border-right: none; }
  .stat-cell:nth-child(-n+2) { border-bottom: var(--grid); }
}

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static; height: auto;
    border-right: none; border-bottom: var(--grid);
  }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; padding: 4px 8px 10px; }
  .sidebar nav a { padding: 6px 10px; }
  .sidebar .side-label { display: none; }
  .sidebar .logo { padding: 12px 16px; }
  .sidebar .logo img { max-width: 210px; }
  .sidebar .side-bottom { display: none; }
}

@media (max-width: 600px) {
  .gallery, .svc-grid { grid-template-columns: 1fr; }
  #corner-mark { width: 42px; height: 42px; right: 12px; bottom: 12px; }
  .g-card.featured { grid-column: span 1; }
  .svc { border-right: none !important; border-bottom: var(--grid) !important; }
  .svc:last-child { border-bottom: none !important; }
  .facts .row, .contact-list .row { grid-template-columns: 1fr; gap: 2px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-art { position: static; max-width: 340px; }
}