/* =========================================================
   Charles Chan — Portfolio · Editorial / Serif / Warm ink
   ========================================================= */
:root{
  --bg:#f5f1e8;
  --bg-2:#efe8d8;
  --ink:#151412;
  --ink-2:#3a3630;
  --muted:#6b665c;
  --line:rgba(21,20,18,.14);
  --accent:#7a1f1f;      /* burgundy */
  --accent-2:#c9a24a;    /* aged gold */
  --paper:#faf7ef;
  --wa:#25d366;
  --tel:#151412;
  --radius:14px;
  --serif:'Fraunces', 'Noto Serif TC', 'Noto Serif SC', serif;
  --sans:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

html[data-lang="zh-Hant"] body{ font-family:'Noto Serif TC', 'Fraunces', serif; }
html[data-lang="zh-Hans"] body{ font-family:'Noto Serif SC', 'Fraunces', serif; }

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--ink); }
body{
  font-family:var(--sans);
  font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
::selection{ background:var(--accent); color:#fff; }

/* Grain + cursor */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:99;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity:.10; mix-blend-mode:multiply;
}
.cursor-blob{
  position:fixed; top:0; left:0; width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle at center, rgba(201,162,74,.28), rgba(201,162,74,0) 60%);
  transform:translate(-50%,-50%); pointer-events:none; z-index:1;
  transition:transform .12s ease-out;
  mix-blend-mode:multiply;
}

/* ---------- Nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 44px;
  transition:background .3s, backdrop-filter .3s, padding .3s;
}
.nav.scrolled{
  background:rgba(245,241,232,.82);
  backdrop-filter:saturate(160%) blur(14px);
  padding:14px 44px;
  border-bottom:1px solid var(--line);
}
.nav-mark{ display:flex; align-items:center; gap:12px; }
.mark-glyph{
  font-family:var(--serif); font-weight:700; font-size:20px;
  width:38px; height:38px; border-radius:50%;
  border:1px solid var(--ink); display:grid; place-items:center;
  letter-spacing:.02em;
}
.mark-word{ font-family:var(--serif); font-size:17px; letter-spacing:.02em; }
.nav-links{ display:flex; gap:34px; }
.nav-links a{ font-size:14px; color:var(--ink-2); position:relative; }
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:1px;
  background:var(--ink); transform:scaleX(0); transform-origin:right;
  transition:transform .35s cubic-bezier(.6,.1,.15,1);
}
.nav-links a:hover::after{ transform:scaleX(1); transform-origin:left; }
.lang-switch{
  display:flex; border:1px solid var(--line); border-radius:100px; padding:3px;
  background:rgba(255,255,255,.4);
}
.lang-switch button{
  border:0; background:transparent; padding:6px 12px; border-radius:100px;
  font:500 12px/1 var(--sans); color:var(--muted); cursor:pointer; letter-spacing:.06em;
}
.lang-switch button.active{ background:var(--ink); color:var(--bg); }

/* ---------- Hero ---------- */
.hero{ padding:180px 44px 100px; position:relative; }
.hero-grid{
  display:grid; grid-template-columns:1.15fr .95fr; gap:80px; align-items:center;
  max-width:1400px; margin:0 auto;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px;
  font:500 12px/1 var(--sans); letter-spacing:.18em; text-transform:uppercase;
  color:var(--ink-2); margin-bottom:34px;
}
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--accent); }
.hero-title{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(48px, 7.4vw, 108px);
  line-height:.98; letter-spacing:-.02em; margin:0 0 30px;
}
.hero-title .line{ display:block; overflow:hidden; }
.hero-title .line > span{ display:inline-block; }
.hero-title .italic{ font-style:italic; color:var(--accent); font-variation-settings:"opsz" 144; }
.hero-lede{
  font-size:18px; max-width:520px; color:var(--ink-2);
  margin:0 0 40px;
}
.hero-cta{ display:flex; gap:14px; margin-bottom:60px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 22px; border-radius:100px;
  font:500 14px/1 var(--sans); letter-spacing:.02em;
  transition:transform .3s, background .3s, color .3s, border-color .3s;
  cursor:pointer; border:1px solid transparent;
}
.btn .arr{ transition:transform .35s cubic-bezier(.6,.1,.15,1); }
.btn:hover .arr{ transform:translateX(6px); }
.btn.primary{ background:var(--ink); color:var(--bg); }
.btn.primary:hover{ background:var(--accent); }
.btn.ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn.ghost:hover{ background:var(--ink); color:var(--bg); }

.hero-meta{
  display:grid; grid-template-columns:repeat(3,1fr); gap:28px;
  padding-top:34px; border-top:1px solid var(--line); max-width:640px;
}
.hero-meta > div{ display:flex; flex-direction:column; gap:6px; }
.hero-meta .k{ font-family:var(--serif); font-size:32px; font-weight:500; line-height:1; }
.hero-meta .v{ font-size:12px; color:var(--muted); letter-spacing:.04em; }

/* Portrait */
.hero-portrait{ position:relative; }
.portrait-wrap{
  position:relative; width:min(100%, 480px); margin-left:auto; aspect-ratio:4/5;
}
.portrait-halo{
  position:absolute; inset:-40px -60px -60px -40px;
  background:
    radial-gradient(60% 60% at 60% 40%, rgba(122,31,31,.18), transparent 70%),
    radial-gradient(50% 50% at 30% 80%, rgba(201,162,74,.35), transparent 70%);
  filter:blur(20px); z-index:0;
}
.portrait{
  position:relative; z-index:1;
  width:100%; height:100%; object-fit:cover;
  border-radius:8px;
  box-shadow:
    0 40px 80px -30px rgba(21,20,18,.35),
    0 6px 24px -6px rgba(21,20,18,.15);
  filter:contrast(1.02) saturate(1.02);
}
.portrait-card{
  position:absolute; z-index:2;
  background:var(--paper); border:1px solid var(--line);
  border-radius:12px; padding:14px 18px;
  box-shadow:0 20px 40px -20px rgba(21,20,18,.3);
  min-width:220px;
}
.portrait-card .card-k{ font-family:var(--serif); font-weight:600; font-size:14px; letter-spacing:.02em; }
.portrait-card .card-v{ font-size:12px; color:var(--muted); margin-top:3px; }
.card-1{ top:16%; left:-40px; }
.card-2{ bottom:8%;  right:-30px; }

/* Marquee */
.marquee{
  margin-top:120px; overflow:hidden; border-block:1px solid var(--line);
  padding:22px 0; background:var(--bg-2);
}
.marquee .track{
  display:flex; gap:60px; white-space:nowrap;
  animation:marquee 40s linear infinite;
  font-family:var(--serif); font-style:italic; font-size:28px; color:var(--ink-2);
}
@keyframes marquee{ from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ---------- Section chrome ---------- */
.section-head{
  display:flex; align-items:baseline; gap:24px;
  padding:0 44px; max-width:1400px; margin:0 auto 60px;
  border-top:1px solid var(--line); padding-top:34px;
}
.section-head .index{
  font-family:var(--serif); font-size:14px; color:var(--muted); letter-spacing:.1em;
}
.section-title{
  font:500 12px/1 var(--sans); letter-spacing:.24em; text-transform:uppercase;
  color:var(--ink-2);
}

/* ---------- About ---------- */
.about{ padding:120px 0; }
.about-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:80px;
  padding:0 44px; max-width:1400px; margin:0 auto;
}
.about-h{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(32px, 4.4vw, 60px);
  line-height:1.08; letter-spacing:-.01em; margin:0;
}
.about-h .reveal{ display:block; overflow:hidden; }
.about-h .reveal > span{ display:inline-block; }
.about-body p{ font-size:17px; color:var(--ink-2); margin:0 0 18px; }
.credentials{ list-style:none; margin:34px 0 0; padding:0; }
.credentials li{
  display:grid; grid-template-columns:140px 1fr; gap:20px; align-items:baseline;
  padding:16px 0; border-top:1px solid var(--line); font-size:15px;
}
.credentials li:last-child{ border-bottom:1px solid var(--line); }
.credentials b{ font-family:var(--serif); font-weight:600; letter-spacing:.02em; }
.credentials span{ color:var(--muted); }

/* ---------- Credentials band ---------- */
.creds-band{
  margin-top:80px; padding:60px 44px;
  max-width:1400px; margin-left:auto; margin-right:auto;
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
}
.creds-head{
  font:500 11px/1 var(--sans); letter-spacing:.24em; text-transform:uppercase;
  color:var(--muted); margin-bottom:34px; text-align:center;
}
.creds-grid{
  display:grid; grid-template-columns:repeat(6,1fr); gap:24px;
}
.cred{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:12px;
  padding:20px 12px; border-radius:12px;
  background:var(--paper); border:1px solid var(--line);
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.cred:hover{
  transform:translateY(-4px);
  box-shadow:0 24px 40px -24px rgba(21,20,18,.28);
  border-color:transparent;
}
.cred-ico{
  width:56px; height:56px; display:grid; place-items:center;
  color:var(--accent);
  background:linear-gradient(135deg, rgba(122,31,31,.08), rgba(201,162,74,.14));
  border-radius:50%;
}
.cred-ico svg{ width:32px; height:32px; }
.cred-mono{ font-family:var(--serif); font-weight:600; font-size:17px; letter-spacing:.02em; }
.cred-org{ font-size:12px; color:var(--muted); line-height:1.4; min-height:34px; }

/* ---------- Journey gallery ---------- */
.journey{ padding:120px 0; background:var(--paper); }
.journey-intro{
  max-width:1000px; margin:0 auto 60px; padding:0 44px;
  display:grid; grid-template-columns:1fr 1.2fr; gap:60px; align-items:end;
}
.journey-h{
  font-family:var(--serif); font-weight:400; margin:0;
  font-size:clamp(32px, 4.4vw, 60px); line-height:1.08; letter-spacing:-.01em;
}
.journey-intro p{ margin:0; color:var(--ink-2); font-size:17px; }

.gallery{
  columns:3; column-gap:16px; padding:0 44px;
  max-width:1400px; margin:0 auto;
}
.g-item{
  break-inside:avoid; margin:0 0 16px; position:relative;
  border-radius:10px; overflow:hidden;
  box-shadow:0 20px 40px -30px rgba(21,20,18,.5);
  background:var(--bg-2);
}
.g-item img{
  width:100%; height:auto; display:block;
  transition:transform .8s cubic-bezier(.16,.8,.24,1), filter .6s;
  filter:saturate(.92) contrast(1.02);
}
.g-item:hover img{ transform:scale(1.04); filter:saturate(1.05) contrast(1.05); }
.g-item figcaption{
  position:absolute; left:14px; bottom:14px;
  font-family:var(--serif); font-style:italic; font-size:14px;
  color:#fff; text-shadow:0 2px 12px rgba(0,0,0,.6);
  opacity:0; transform:translateY(6px);
  transition:opacity .35s, transform .35s;
}
.g-item:hover figcaption{ opacity:1; transform:none; }

/* ---------- Practice cards ---------- */
.practice{ padding:120px 0; background:var(--bg-2); }
.cards{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);
  padding:0 44px; max-width:1400px; margin:0 auto;
  border:1px solid var(--line);
}
.card{
  background:var(--bg-2); padding:44px 34px 40px;
  min-height:280px; display:flex; flex-direction:column;
  transition:background .4s;
  position:relative; overflow:hidden;
}
.card::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(135deg, rgba(122,31,31,.06), rgba(201,162,74,.06));
  opacity:0; transition:opacity .4s;
}
.card:hover{ background:var(--paper); }
.card:hover::before{ opacity:1; }
.card-no{
  font-family:var(--serif); font-size:12px; color:var(--muted); letter-spacing:.14em;
  margin-bottom:26px; position:relative; z-index:1;
}
.card h3{
  font-family:var(--serif); font-weight:500; font-size:26px; line-height:1.15;
  margin:0 0 14px; position:relative; z-index:1;
}
.card p{ margin:0; color:var(--ink-2); font-size:15px; position:relative; z-index:1; }

/* ---------- Timeline ---------- */
.milestones{ padding:120px 0; }
.timeline{
  list-style:none; padding:0 44px; margin:0 auto; max-width:1000px;
  counter-reset:t;
}
.timeline li{
  display:grid; grid-template-columns:160px 1fr; gap:60px; align-items:baseline;
  padding:36px 0; border-top:1px solid var(--line);
}
.timeline li:last-child{ border-bottom:1px solid var(--line); }
.timeline .yr{
  font-family:var(--serif); font-weight:500; font-size:40px; letter-spacing:-.01em;
  color:var(--accent);
}
.timeline h4{
  font-family:var(--serif); font-weight:500; font-size:24px; margin:0 0 8px;
}
.timeline p{ margin:0; color:var(--ink-2); font-size:15px; max-width:560px; }

/* ---------- Contact ---------- */
.contact{ padding:120px 0 60px; background:var(--paper); }
.contact-grid{
  display:grid; grid-template-columns:1.4fr 1fr; gap:80px;
  padding:0 44px; max-width:1400px; margin:0 auto;
}
.contact h2{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(32px, 4.4vw, 60px); line-height:1.08; margin:0 0 24px;
}
.contact h2 .reveal{ display:block; overflow:hidden; }
.contact h2 .reveal > span{ display:inline-block; }
.contact p{ font-size:17px; color:var(--ink-2); max-width:540px; margin:0 0 34px; }
.contact-links{ display:flex; gap:14px; flex-wrap:wrap; }
.contact-links .btn.primary{ background:var(--wa); color:#fff; }
.contact-links .btn.primary:hover{ background:#1fb655; }
.office{
  border-left:1px solid var(--line); padding-left:40px;
}
.office-h{
  font:500 11px/1 var(--sans); letter-spacing:.24em; text-transform:uppercase;
  color:var(--muted); margin-bottom:8px;
}
.office-l{ font-family:var(--serif); font-size:20px; margin-bottom:28px; }

.foot{
  display:flex; justify-content:space-between; align-items:center;
  padding:40px 44px; max-width:1400px; margin:0 auto;
  border-top:1px solid var(--line); font-size:13px; color:var(--muted);
}
.foot-r{ font-family:var(--serif); font-style:italic; }

/* ---------- Floating quick contact ---------- */
.fab{
  position:fixed; right:22px; bottom:22px; z-index:60;
  display:flex; flex-direction:column; gap:12px;
}
.fab-btn{
  width:56px; height:56px; border-radius:50%;
  display:grid; place-items:center; color:#fff;
  box-shadow:0 12px 28px -8px rgba(0,0,0,.35);
  position:relative; transition:transform .3s, box-shadow .3s;
  border:2px solid rgba(255,255,255,.85);
}
.fab-btn:hover{ transform:translateY(-3px) scale(1.06); box-shadow:0 18px 34px -8px rgba(0,0,0,.5); }
.fab-btn.wa{ background:var(--wa); }
.fab-btn.tel{ background:var(--tel); }
.fab-btn .fab-tip{
  position:absolute; right:calc(100% + 10px); top:50%; transform:translateY(-50%) translateX(6px);
  white-space:nowrap; background:var(--ink); color:var(--bg); padding:8px 12px; border-radius:100px;
  font:500 12px/1 var(--sans); letter-spacing:.02em; opacity:0; pointer-events:none;
  transition:opacity .25s, transform .25s;
}
.fab-btn:hover .fab-tip{ opacity:1; transform:translateY(-50%) translateX(0); }
.fab-btn.wa::before{
  content:""; position:absolute; inset:-6px; border-radius:50%;
  border:2px solid var(--wa); opacity:.6;
  animation:pulse 2s ease-out infinite;
}
@keyframes pulse{
  0%{ transform:scale(1); opacity:.6; }
  100%{ transform:scale(1.55); opacity:0; }
}

/* ---------- Reveals ---------- */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .9s cubic-bezier(.16,.8,.24,1), transform .9s cubic-bezier(.16,.8,.24,1); }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px){
  .hero-grid{ grid-template-columns:1fr; gap:60px; }
  .hero-portrait .portrait-wrap{ margin:0 auto; }
  .cards{ grid-template-columns:repeat(2,1fr); }
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap:40px; }
  .office{ border-left:0; padding-left:0; border-top:1px solid var(--line); padding-top:30px; }
  .creds-grid{ grid-template-columns:repeat(3,1fr); }
  .journey-intro{ grid-template-columns:1fr; gap:20px; }
  .gallery{ columns:2; }
}
@media (max-width: 720px){
  .nav{ padding:16px 20px; }
  .nav.scrolled{ padding:12px 20px; }
  .nav-links{ display:none; }
  .hero{ padding:130px 20px 70px; }
  .section-head{ padding:0 20px; margin-bottom:40px; }
  .about, .practice, .milestones, .contact{ padding:80px 0; }
  .about-grid, .contact-grid{ padding:0 20px; }
  .cards{ grid-template-columns:1fr; padding:0 20px; }
  .creds-grid{ grid-template-columns:repeat(2,1fr); gap:12px; }
  .creds-band{ padding:40px 20px; }
  .journey-intro{ padding:0 20px; }
  .gallery{ columns:1; padding:0 20px; }
  .timeline{ padding:0 20px; }
  .timeline li{ grid-template-columns:100px 1fr; gap:20px; }
  .timeline .yr{ font-size:28px; }
  .foot{ flex-direction:column; gap:10px; padding:30px 20px; text-align:center; }
  .card-1{ left:-10px; top:8%; }
  .card-2{ right:-10px; bottom:4%; }
  .portrait-card{ min-width:180px; padding:10px 14px; }
  .hero-meta{ grid-template-columns:1fr; gap:16px; }
  .credentials li{ grid-template-columns:110px 1fr; gap:10px; }
  .marquee .track{ font-size:22px; }
  .cursor-blob{ display:none; }
}