/* ── RAYCAST TOKENS ─────────────────────────── */
:root {
  --bg:      #0E1218;
  --bg2:     #151922;
  --text:    #F0F1EE;
  --text2:   #A7AFB8;
  --a:       #C4A46A;
  --b:       #6E879F;
  --a-rgb:   196,164,106;
  --b-rgb:   110,135,159;
  --border:  rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.11);
  --nav-bg:  rgba(14,18,24,0.86);
  --card:    rgba(255,255,255,0.03);
  --radius:  8px;
  --font:    'Inter', sans-serif;
  --grad:    linear-gradient(135deg, #D6C39B 0%, #9FB0BD 48%, #5F748A 100%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* subtle background wash */
.orb {
  position: fixed; border-radius: 50%; pointer-events: none; z-index: 0;
  filter: blur(120px); opacity: 0.06;
}
.orb-a { width: 600px; height: 600px; background: #C4A46A; top: -200px; right: -100px; }
.orb-b { width: 500px; height: 500px; background: #2F4963; bottom: -150px; left: -100px; }

/* ── NAV ────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
}
.nav-logo {
  font-size: 14px; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none; letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 450; color: var(--text2);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: rgba(var(--a-rgb),0.09);
  color: var(--a) !important;
  border: 1px solid rgba(var(--a-rgb),0.22);
  padding: 6px 16px; border-radius: 8px;
  font-size: 12px !important; font-weight: 600 !important;
  transition: background 0.2s !important; letter-spacing: 0.01em;
}
.nav-cta:hover { background: rgba(var(--a-rgb),0.18) !important; }

/* ── SHARED ─────────────────────────────────── */
section { padding: 120px 0; position: relative; z-index: 1; }
.container { max-width: 1060px; margin: 0 auto; padding: 0 40px; }

.label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px; display: inline-block;
}
h2.stitle {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800; line-height: 1.08;
  letter-spacing: 0; color: var(--text);
  margin-bottom: 14px;
}
.ssub {
  font-size: 17px; color: var(--text2);
  max-width: 500px; line-height: 1.6; margin-bottom: 60px;
}

/* gradient text utility */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HERO ───────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding-top: 52px;
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: 64px; align-items: center;
  max-width: 1060px; margin: 0 auto; padding: 0 40px;
  width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(var(--a-rgb),0.08);
  color: var(--a);
  border: 1px solid rgba(var(--a-rgb),0.18);
  padding: 5px 14px; border-radius: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  margin-bottom: 24px; width: fit-content;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px;
  background: var(--a); border-radius: 50%;
  box-shadow: 0 0 4px rgba(var(--a-rgb),0.55);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
h1.hero-name {
  font-size: clamp(38px, 4.8vw, 56px);
  font-weight: 800; line-height: 1.08;
  letter-spacing: 0; color: var(--text);
  max-width: 680px;
  margin-bottom: 20px;
}
.hero-roles {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px;
}
.role-tag {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 8px; padding: 5px 12px;
  font-size: 13px; font-weight: 500; color: var(--text2);
}
.hero-desc {
  font-size: 16px; line-height: 1.65; color: var(--text2);
  max-width: 400px; margin-bottom: 36px;
}
.hero-english {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(240,241,238,0.76);
  max-width: 560px;
  margin: -4px 0 22px;
  padding-left: 14px;
  border-left: 2px solid rgba(var(--a-rgb),0.45);
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn-primary {
  background: linear-gradient(135deg, #8F7140 0%, #A88B56 48%, #41566D 100%);
  color: #FFF8E8;
  padding: 11px 26px; border-radius: 10px;
  font-size: 14px; font-weight: 700;
  text-decoration: none; display: inline-block;
  box-shadow: 0 4px 18px rgba(99,78,42,0.26);
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-secondary {
  background: var(--card); color: var(--text);
  border: 1px solid var(--border2);
  padding: 11px 26px; border-radius: 10px;
  font-size: 14px; font-weight: 600;
  text-decoration: none; display: inline-block;
  transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.18); }

/* HERO CARD */
.hero-visual { display: flex; align-items: center; justify-content: center; position: relative; }
.hero-card {
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 36px; width: 100%; max-width: 330px;
  backdrop-filter: blur(20px);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04), 0 24px 64px rgba(0,0,0,0.5);
  position: relative; overflow: visible;
}
.hero-card::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(135deg, rgba(var(--a-rgb),0.08) 0%, rgba(var(--b-rgb),0.05) 100%);
}
.hero-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(var(--a-rgb),0.3);
  margin-bottom: 18px;
  box-shadow: 0 0 0 4px rgba(var(--a-rgb),0.08);
}
.hero-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center 15%; }
.hero-card-name {
  font-size: 18px; font-weight: 700; color: var(--text);
  letter-spacing: 0; margin-bottom: 3px;
}
.hero-card-title { font-size: 13px; color: var(--text2); margin-bottom: 22px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 12px;
}
.stat-num {
  font-size: 22px; font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em; line-height: 1;
}
.stat-label { font-size: 11px; color: var(--text2); margin-top: 3px; }
.hero-float {
  position: absolute; bottom: -14px; right: -14px;
  background: linear-gradient(135deg, #8F7140 0%, #5B6D7B 100%);
  color: #FFF8E8;
  border-radius: 10px; padding: 10px 16px;
  font-size: 12px; font-weight: 700;
  box-shadow: 0 8px 22px rgba(31,45,60,0.38);
  white-space: nowrap;
}

/* ── ABOUT ──────────────────────────────────── */
#about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-photo {
  aspect-ratio: 4/5; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border2);
  box-shadow: 0 0 0 4px rgba(var(--a-rgb),0.05);
  position: relative;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; display: block; }
.about-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(13,13,15,0.5));
  pointer-events: none;
}
.about-text p { color: var(--text2); font-size: 16px; line-height: 1.75; margin-bottom: 18px; }
.about-text p:last-of-type { margin-bottom: 36px; }
.about-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  border: 1px solid var(--border2);
  border-radius: 8px; padding: 6px 14px;
  font-size: 13px; font-weight: 500; color: var(--text2);
  background: var(--card);
  transition: border-color 0.2s, color 0.2s;
}
.pill:hover { border-color: var(--a); color: var(--text); }

/* ENGLISH PROFILE */
.compact-section { padding: 84px 0; background: var(--bg); }
.english-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 44px;
  align-items: start;
}
.english-copy {
  color: var(--text2);
  font-size: 15px;
  line-height: 1.75;
  max-width: 660px;
}
.english-copy p + p { margin-top: 16px; }
.english-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.english-tags span {
  border: 1px solid rgba(var(--a-rgb),0.2);
  background: rgba(var(--a-rgb),0.07);
  color: rgba(240,241,238,0.82);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 650;
}

/* ── EXPERIENCE ─────────────────────────────── */
#experience { background: var(--bg); }
.timeline { position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 0;
  width: 1px; background: linear-gradient(to bottom, var(--a), var(--b));
  opacity: 0.3;
}
.exp-item { padding-left: 32px; padding-bottom: 52px; position: relative; }
.exp-item::before {
  content: ''; position: absolute; left: -4px; top: 9px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 8px rgba(var(--a-rgb),0.6);
}
.exp-item:last-child { padding-bottom: 0; }
.exp-period {
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.exp-title { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: 0; margin-bottom: 3px; }
.exp-org { font-size: 14px; color: var(--text2); margin-bottom: 10px; }
.exp-desc { font-size: 14px; color: var(--text2); line-height: 1.7; max-width: 580px; }

/* ── SKILLS ─────────────────────────────────── */
#skills { background: var(--bg2); }
.skills-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: border-color 0.25s, background 0.25s;
  position: relative; overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute; inset: 0; opacity: 0;
  background: linear-gradient(135deg, rgba(var(--a-rgb),0.06), rgba(var(--b-rgb),0.04));
  transition: opacity 0.25s;
}
.skill-card:hover { border-color: var(--border2); }
.skill-card:hover::before { opacity: 1; }
.skill-icon { margin-bottom: 12px; }
.skill-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 7px; letter-spacing: 0; }
.skill-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.skill-tag {
  background: rgba(var(--a-rgb),0.08);
  color: var(--a);
  border: 1px solid rgba(var(--a-rgb),0.15);
  border-radius: 6px; padding: 3px 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.02em;
}

/* ── PORTFOLIO ──────────────────────────────── */
#portfolio { background: var(--bg); }
.portfolio-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.port-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.25s, transform 0.25s;
  cursor: pointer;
}
.port-card:hover { border-color: var(--border2); transform: translateY(-3px); }
.port-card-img {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.port-card-body { padding: 22px; }
.port-card-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px; text-transform: uppercase;
}
.port-card-title { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: 0; margin-bottom: 7px; }
.port-card-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }

/* ── BLOG ───────────────────────────────────── */
#blog { background: var(--bg2); }
.blog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  cursor: pointer; transition: border-color 0.25s, background 0.25s;
  display: flex; flex-direction: column;
}
.blog-card:hover { border-color: var(--border2); background: rgba(255,255,255,0.05); }
.blog-date { font-size: 12px; color: var(--text2); margin-bottom: 10px; }
.blog-title {
  font-size: 16px; font-weight: 700; color: var(--text);
  letter-spacing: 0; line-height: 1.35;
  margin-bottom: 10px; flex: 1;
}
.blog-excerpt { font-size: 13px; color: var(--text2); line-height: 1.65; }
.blog-read {
  margin-top: 16px; font-size: 13px; font-weight: 600;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex; align-items: center; gap: 4px;
}

/* ── PRESS ──────────────────────────────────── */
.press-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.press-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.25s, background 0.25s;
  position: relative; overflow: hidden;
}
.press-card:hover { border-color: var(--border2); background: rgba(255,255,255,0.05); }
.press-badge {
  display: inline-block; font-size: 10px; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 6px; width: fit-content;
}
.press-badge.research  { background: rgba(var(--a-rgb),0.1);  color: var(--a); border: 1px solid rgba(var(--a-rgb),0.2); }
.press-badge.media     { background: rgba(52,211,153,0.1);   color: #34D399; border: 1px solid rgba(52,211,153,0.2); }
.press-badge.video     { background: rgba(251,113,133,0.1);  color: #FB7185; border: 1px solid rgba(251,113,133,0.2); }
.press-badge.academic  { background: rgba(var(--b-rgb),0.1); color: #A78BFA; border: 1px solid rgba(var(--b-rgb),0.2); }
.press-badge.publication { background: rgba(251,191,36,0.1); color: #FBBF24; border: 1px solid rgba(251,191,36,0.2); }
.press-title { font-size: 14px; font-weight: 700; color: var(--text); letter-spacing: 0; line-height: 1.35; }
.press-meta { font-size: 11px; color: var(--text2); }
.press-desc { font-size: 12px; color: var(--text2); line-height: 1.65; flex: 1; }
.press-link {
  font-size: 12px; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
@media (max-width: 768px) { .press-grid { grid-template-columns: 1fr; } }

/* ── CONTACT ────────────────────────────────── */
#contact { background: var(--bg); text-align: center; }
.contact-inner { max-width: 520px; margin: 0 auto; }
.contact-inner .label { display: flex; justify-content: center; }
.contact-inner h2 { text-align: center; }
.contact-inner .ssub { max-width: 100%; text-align: center; margin: 0 auto 0; }
.contact-form { display: flex; flex-direction: column; gap: 12px; margin-top: 36px; text-align: left; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
input, textarea {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 13px 16px;
  font-family: var(--font); font-size: 14px; color: var(--text);
  outline: none; width: 100%; transition: border-color 0.2s, background 0.2s;
}
input::placeholder, textarea::placeholder { color: var(--text2); }
input:focus, textarea:focus {
  border-color: rgba(var(--a-rgb),0.5);
  background: rgba(255,255,255,0.05);
}
textarea { resize: vertical; min-height: 110px; }
.hidden-field { display: none; }
.form-submit {
  background: linear-gradient(135deg, #8F7140 0%, #A88B56 48%, #41566D 100%);
  color: #FFF8E8;
  border: none; border-radius: 10px;
  padding: 14px; font-size: 15px; font-weight: 700;
  font-family: var(--font); cursor: pointer;
  box-shadow: 0 4px 18px rgba(31,45,60,0.42);
  transition: opacity 0.2s, transform 0.2s;
}
.form-submit:hover { opacity: 0.88; transform: translateY(-1px); }

/* ── MODAL ──────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
  overflow-y: auto; padding: 40px 20px;
}
.modal-overlay.is-open { display: flex; align-items: flex-start; justify-content: center; }
.modal-box {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; max-width: 860px; width: 100%;
  padding: 48px; position: relative;
}
.modal-close {
  position: absolute; top: 20px; right: 24px;
  background: none; border: none; color: var(--text2);
  font-size: 28px; cursor: pointer; line-height: 1;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text); }
.modal-label { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.modal-title { font-size: clamp(20px,3vw,28px); font-weight: 700; color: var(--text); margin-bottom: 16px; }
.modal-intro { color: var(--text2); line-height: 1.8; margin-bottom: 32px; }
.modal-image-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 36px;
}
.modal-image-row figure { margin: 0; }
.modal-image-row img {
  width: 100%; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; display: block;
}
.modal-image-row figcaption { font-size: 11px; color: var(--text2); margin-top: 6px; text-align: center; }
.modal-body h3 { font-size: 15px; font-weight: 600; color: var(--text); margin: 24px 0 8px; }
.modal-body p { color: var(--text2); line-height: 1.8; margin: 0 0 12px; font-size: 15px; }
.port-card--clickable { cursor: pointer; }
.port-card--clickable:hover { border-color: var(--accent); }
.port-card-more { font-size: 13px; color: var(--accent); margin-top: 12px; font-weight: 500; }
@media (max-width: 640px) {
  .modal-box { padding: 28px 20px; }
  .modal-image-row { grid-template-columns: 1fr; }
}

/* ── SOCIAL LINKS ───────────────────────────── */
.social-links { display: flex; gap: 12px; margin-bottom: 32px; }
.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text2); text-decoration: none;
  font-size: 14px; font-weight: 500;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.social-btn:hover { color: var(--text); border-color: var(--accent); background: var(--bg2); }

/* ── FOOTER ─────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg2);
  font-size: 12px; color: var(--text2);
  position: relative; z-index: 1;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text2); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

/* ── DIVIDER ────────────────────────────────── */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border2), transparent);
  position: relative; z-index: 1;
}

/* ── REVEAL ─────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s cubic-bezier(.16,1,.3,1), transform 0.7s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.25s; }
.reveal-delay-4 { transition-delay: 0.36s; }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .container { padding: 0 20px; }
  section { padding: 72px 0; }
  #hero { min-height: auto; padding: 108px 0 72px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  h1.hero-name { font-size: clamp(34px, 10vw, 44px); line-height: 1.16; }
  .hero-english { font-size: 13px; max-width: none; margin-bottom: 20px; }
  .hero-desc { max-width: none; font-size: 15px; }
  .hero-badge { font-size: 11px; letter-spacing: 0.02em; }
  .role-tag { font-size: 12px; }
  h2.stitle { font-size: clamp(32px, 10vw, 40px); }
  .ssub { font-size: 15px; margin-bottom: 36px; }
  .about-grid { grid-template-columns: 1fr; }
  .english-grid { grid-template-columns: 1fr; gap: 24px; }
  .compact-section { padding: 64px 0; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 14px; text-align: center; }
}