/* ═══════════════════════════════════════════════════
   DHRUV CHAVAN PORTFOLIO
   Theme: Data Lab — Deep navy · Blue · Emerald · Amber
   ═══════════════════════════════════════════════════ */

/* === TOKENS === */
:root {
  --bg:          #07090f;
  --bg-alt:      #0d1117;
  --card:        #111520;
  --card-hover:  #151a28;
  --border:      rgba(255,255,255,0.07);
  --border-hi:   rgba(255,255,255,0.13);

  --blue:        #60a5fa;
  --blue-dim:    rgba(96,165,250,0.15);
  --blue-glow:   rgba(96,165,250,0.25);
  --green:       #34d399;
  --green-dim:   rgba(52,211,153,0.12);
  --amber:       #fbbf24;
  --amber-dim:   rgba(251,191,36,0.12);

  --text:        #f1f5f9;
  --muted:       #64748b;
  --muted-hi:    #94a3b8;

  --font:        'Inter', sans-serif;
  --mono:        'JetBrains Mono', monospace;

  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:     cubic-bezier(0.55, 0, 1, 0.45);
  --r:           12px;
  --r-sm:        6px;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--blue-dim); color: var(--text); }
a { text-decoration: none; color: inherit; }

/* Scrollbar */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 2px; }

/* === TICKER === */
.ticker-wrap {
  overflow: hidden;
  border-top: 1px solid var(--border);
  background: rgba(7,9,15,0.6);
  padding: 0.42rem 0;
  user-select: none;
}
.ticker-track {
  display: inline-flex;
  gap: 2rem;
  white-space: nowrap;
  animation: ticker 45s linear infinite;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
.ti {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.ti-key {
  color: var(--blue);
  font-weight: 600;
  margin-right: 0.4rem;
}
.ti-key.dot-green { color: var(--green); }
.ti-sep { color: rgba(96,165,250,0.3); font-size: 0.6rem; }

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === SCROLL PROGRESS === */
#scroll-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 2px; z-index: 9999;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--amber));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* === SPOTLIGHT === */
#spotlight {
  position: fixed;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96,165,250,0.045) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: left 0.8s cubic-bezier(0.22,1,0.36,1), top 0.8s cubic-bezier(0.22,1,0.36,1);
  will-change: left, top;
}

/* === CUSTOM CURSOR === */
#cursor-dot {
  width: 8px; height: 8px;
  background: var(--blue);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s, background 0.2s;
  mix-blend-mode: screen;
}
#cursor-ring {
  width: 34px; height: 34px;
  border: 1.5px solid rgba(96,165,250,0.5);
  border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.18s var(--ease), width 0.25s, height 0.25s, border-color 0.25s;
}
#cursor-ring.hovering {
  width: 50px; height: 50px;
  border-color: var(--blue);
}

/* === LAYOUT === */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}
.section { padding: 7rem 0; }
.section-alt { background: var(--bg-alt); }

/* === NAV === */
#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  transition: background 0.4s var(--ease), box-shadow 0.4s;
}
#nav.scrolled {
  background: rgba(7,9,15,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.9rem;
  font-weight: 500; color: var(--text);
  transition: color 0.2s;
}
.nav-brand:hover { color: var(--blue); }
.brand-hex { color: var(--blue); font-size: 1rem; }

.nav-links {
  display: flex; list-style: none;
  gap: 2rem; align-items: center;
}
.nav-links a {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--muted); letter-spacing: 0.05em;
  transition: color 0.2s;
  position: relative;
  overflow: hidden;
}

/* Nav click ripple */
.nav-ripple {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(96,165,250,0.35) 0%, transparent 70%);
  border-radius: 4px;
  animation: nav-ripple-anim 0.65s ease forwards;
  pointer-events: none;
}
@keyframes nav-ripple-anim {
  from { opacity: 1; transform: scale(0.4); }
  to   { opacity: 0; transform: scale(2.2); }
}

/* Section arrival glow */
@keyframes section-arrive-anim {
  0%   { box-shadow: inset 0 0 0 0 rgba(96,165,250,0); }
  25%  { box-shadow: inset 0 2px 0 0 rgba(96,165,250,0.45); }
  100% { box-shadow: inset 0 0 0 0 rgba(96,165,250,0); }
}
.section-arrive { animation: section-arrive-anim 0.8s cubic-bezier(0.22,1,0.36,1) forwards; }
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--blue);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  color: var(--blue) !important;
  border: 1px solid rgba(96,165,250,0.3);
  padding: 0.35rem 1rem; border-radius: var(--r-sm);
  transition: background 0.2s, color 0.2s !important;
}
.nav-cta:hover { background: var(--blue-dim) !important; color: var(--blue) !important; }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none; flex-direction: column; gap: 6px;
  background: none; border: none; cursor: none;
}
.hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:first-child { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:last-child  { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  overflow: hidden; max-height: 0;
  transition: max-height 0.4s var(--ease);
}
.mobile-menu.open { max-height: 400px; }
.mm-link {
  padding: 1rem 2rem;
  font-family: var(--mono); font-size: 0.9rem;
  color: var(--muted); border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}
.mm-link:hover { color: var(--text); background: var(--card); }

/* === HERO === */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex; align-items: center;
  overflow: hidden;
}
#canvas {
  position: absolute; inset: 0;
  z-index: 0; opacity: 0.55;
}
.hero-grid-overlay {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  padding: 8rem 2rem 4rem;
  max-width: 1140px; width: 100%; margin: 0 auto;
}

/* Hero split layout */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: center;
}
.hero-left { min-width: 0; }

/* Hero photo */
.hero-photo {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  transition: opacity 0.7s var(--ease) 0.8s, transform 0.7s var(--ease) 0.8s;
}
.photo-frame {
  position: relative;
  width: 320px;
  height: 380px;
  flex-shrink: 0;
}
.photo-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 20px;
  border: 1px solid var(--border-hi);
  display: block;
  position: relative; z-index: 2;
  filter: grayscale(12%) contrast(1.04);
}
/* Decorative animated rings */
.photo-ring {
  position: absolute; border-radius: 24px;
  border: 1px solid rgba(96,165,250,0.18);
  pointer-events: none; z-index: 1;
}
.photo-ring-1 {
  inset: -10px; border-color: rgba(96,165,250,0.15);
  animation: ringPulse 4s ease-in-out infinite;
}
.photo-ring-2 {
  inset: -20px; border-color: rgba(52,211,153,0.08);
  animation: ringPulse 4s ease-in-out infinite 0.8s;
}
/* Floating badge */
.photo-badge {
  position: absolute; bottom: -14px; left: -20px; z-index: 3;
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border-hi);
  border-radius: 100px;
  padding: 0.5rem 1rem;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  white-space: nowrap;
}
.pb-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes ringPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.012); }
}

/* Hero status pill */
.hero-status {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted-hi);
  border: 1px solid var(--border);
  padding: 0.3rem 0.9rem; border-radius: 100px;
  margin-bottom: 2rem; letter-spacing: 0.04em;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}
.status-sep { color: var(--muted); }
.status-val { color: var(--green); font-weight: 500; }

/* Hero name */
.hero-name {
  font-size: clamp(4.5rem, 11vw, 9rem);
  font-weight: 900; line-height: 0.88;
  letter-spacing: -0.04em;
  margin-bottom: 1.8rem;
}
.name-first {
  display: block; color: var(--text);
}
.name-last {
  display: block;
  color: transparent;
  -webkit-text-stroke: 2px rgba(241,245,249,0.6);
}
.name-dot { color: var(--blue); -webkit-text-stroke: 0; }

/* Typewriter */
.hero-typewriter {
  font-family: var(--mono); font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted-hi); margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}
.tw-prefix { color: var(--blue); }
.tw-cursor {
  display: inline-block; color: var(--blue);
  animation: blink 1s step-end infinite;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--muted); max-width: 560px;
  line-height: 1.8; margin-bottom: 2.5rem;
}
.hero-desc strong { color: var(--text); font-weight: 600; }

/* Hero metrics */
.hero-metrics {
  display: flex; align-items: center; gap: 0;
  margin-bottom: 2.5rem;
}
.hm-item {
  padding: 0 2.5rem; text-align: center;
}
.hm-item:first-child { padding-left: 0; }
.hm-val {
  font-family: var(--mono); font-size: 2rem; font-weight: 700;
  color: var(--text); line-height: 1;
}
.hm-val span:last-child { font-size: 1.1rem; color: var(--blue); }
.hm-key {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--muted); letter-spacing: 0.1em;
  text-transform: uppercase; margin-top: 0.3rem;
}
.hm-div { width: 1px; height: 40px; background: var(--border); }

/* CTA buttons */
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.btn-fill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--blue); color: #07090f;
  padding: 0.75rem 1.8rem; border-radius: var(--r-sm);
  font-weight: 700; font-size: 0.9rem; letter-spacing: 0.01em;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
}
.btn-fill:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(96,165,250,0.35);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent; color: var(--text);
  padding: 0.75rem 1.8rem;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  font-weight: 500; font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover {
  border-color: var(--border-hi);
  background: rgba(255,255,255,0.03);
}

/* Scroll hint */
.hero-scroll {
  position: absolute; bottom: 2.5rem; left: 2rem;
  z-index: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem;
  animation: fadeIn 1s var(--ease) 1.8s both;
}
.hs-line {
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
.hs-label {
  font-family: var(--mono); font-size: 0.6rem;
  color: var(--muted); letter-spacing: 0.15em;
  text-transform: uppercase; writing-mode: vertical-lr;
}

/* === SECTION HEADERS === */
.eyebrow {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--blue); letter-spacing: 0.15em;
  text-transform: uppercase; margin-bottom: 0.75rem;
}
.section-h {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800; letter-spacing: -0.03em;
  line-height: 1.1; margin-bottom: 3.5rem;
}
.section-h em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(241,245,249,0.5);
}

/* === ABOUT === */
.about-layout {
  display: grid; grid-template-columns: 1fr 420px;
  gap: 5rem; align-items: start;
}
.about-text .section-h { margin-bottom: 1.5rem; }
.about-p {
  color: var(--muted); font-size: 1.05rem;
  line-height: 1.85; margin-bottom: 1.2rem;
}
.about-p strong { color: var(--text); font-weight: 600; }
.about-links {
  display: flex; gap: 0.75rem; flex-wrap: wrap;
  margin-top: 2rem;
}
.link-chip {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--muted); border: 1px solid var(--border);
  padding: 0.4rem 0.9rem; border-radius: 100px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.link-chip:hover {
  color: var(--text); border-color: var(--border-hi);
  background: rgba(255,255,255,0.03);
}

/* === MODEL CARD === */
.model-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.model-card:hover {
  border-color: rgba(96,165,250,0.25);
  transform: translateY(-4px);
}
.mc-glow {
  position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(96,165,250,0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.mc-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 0.75rem;
}
.mc-avatar {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-dim), rgba(52,211,153,0.15));
  border: 1px solid rgba(96,165,250,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 0.85rem;
  font-weight: 700; color: var(--blue);
  flex-shrink: 0;
}
.mc-info { flex: 1; }
.mc-name { font-size: 1rem; font-weight: 700; }
.mc-handle { font-family: var(--mono); font-size: 0.7rem; color: var(--muted); }
.mc-version {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--muted); border: 1px solid var(--border);
  padding: 0.2rem 0.5rem; border-radius: 4px;
}
.mc-tagline {
  font-family: var(--mono); font-size: 0.73rem;
  color: var(--muted-hi); margin-bottom: 1.2rem;
}
.mc-rule { height: 1px; background: var(--border); margin: 1rem 0; }
.mc-rows { display: flex; flex-direction: column; gap: 0.55rem; }
.mc-row {
  display: flex; justify-content: space-between;
  align-items: center; gap: 1rem;
}
.mc-key {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--muted); letter-spacing: 0.04em; flex-shrink: 0;
}
.mc-val {
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--text); text-align: right;
}
.mc-val.green { color: var(--green); }
.mc-val.blue { color: var(--blue); }
.mc-chips-label {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.mc-chips {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.mc-chips span {
  font-family: var(--mono); font-size: 0.65rem;
  padding: 0.2rem 0.55rem;
  background: var(--blue-dim); border: 1px solid rgba(96,165,250,0.2);
  color: var(--blue); border-radius: 4px;
}

/* === EXPERIENCE === */
.exp-layout {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 0; border: 1px solid var(--border); border-radius: var(--r);
  overflow: hidden;
}
.exp-tabs {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 0.75rem 0;
}
.exp-tab {
  display: block; width: 100%;
  background: none; border: none; text-align: left;
  padding: 0.75rem 1.25rem;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted); cursor: none;
  letter-spacing: 0.03em; line-height: 1.4;
  border-left: 2px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.exp-tab:hover { color: var(--text); background: rgba(255,255,255,0.02); }
.exp-tab.active {
  color: var(--blue); border-left-color: var(--blue);
  background: var(--blue-dim);
}
.exp-content { padding: 2.5rem; }
.exp-panel { display: none; animation: panelFade 0.3s var(--ease); }
.exp-panel.active { display: block; }
.exp-panel[data-panel="0"] {
  position: relative;
  overflow: hidden;
}
.exp-panel[data-panel="0"]::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -2rem;
  transform: translateY(-50%);
  width: 260px;
  height: 260px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'%3E%3Ccircle cx='100' cy='100' r='96' fill='none' stroke='%23888' stroke-width='5'/%3E%3Ccircle cx='100' cy='100' r='70' fill='none' stroke='%23888' stroke-width='3'/%3E%3Cpath d='M100,100 L100,30 A70,70,0,0,1,170,100 Z' fill='%23888'/%3E%3Cpath d='M100,100 L100,170 A70,70,0,0,1,30,100 Z' fill='%23888'/%3E%3Cline x1='100' y1='30' x2='100' y2='170' stroke='%23888' stroke-width='3'/%3E%3Cline x1='30' y1='100' x2='170' y2='100' stroke='%23888' stroke-width='3'/%3E%3Ctext x='100' y='16' font-family='Arial,sans-serif' font-size='12' font-weight='900' fill='%23888' text-anchor='middle'%3EBMW%3C/text%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}
.exp-panel[data-panel="0"] > * {
  position: relative;
  z-index: 1;
}

.ep-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 1rem;
  margin-bottom: 1.25rem;
}
.ep-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.ep-org { font-size: 0.88rem; color: var(--muted-hi); }
.ep-date {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--blue); border: 1px solid rgba(96,165,250,0.2);
  padding: 0.3rem 0.7rem; border-radius: 4px;
  white-space: nowrap; flex-shrink: 0;
}
.ep-stack {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin-bottom: 1.25rem;
}
.ep-stack span {
  font-family: var(--mono); font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(96,165,250,0.07);
  border: 1px solid rgba(96,165,250,0.15);
  color: var(--blue); border-radius: 3px;
}
.ep-list { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.ep-list li {
  font-size: 0.92rem; color: var(--muted);
  padding-left: 1.3rem; position: relative; line-height: 1.65;
}
.ep-list li::before {
  content: '▸'; position: absolute; left: 0;
  color: var(--blue); font-size: 0.7rem; top: 0.25rem;
}
.ep-list mark {
  background: none; color: var(--text); font-weight: 700;
}

/* === DATA SHOWCASE === */
.showcase-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* Chart card */
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.75rem;
  overflow: hidden;
}
.chart-topbar {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 1rem;
  margin-bottom: 1.25rem;
}
.chart-title {
  font-size: 0.9rem; font-weight: 700; margin-bottom: 0.2rem;
}
.chart-sub {
  font-family: var(--mono); font-size: 0.68rem; color: var(--muted);
}
.chart-legend {
  display: flex; gap: 1rem; flex-shrink: 0;
}
.cl-item {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.68rem; color: var(--muted-hi);
}
.cl-dot {
  width: 20px; height: 2px; border-radius: 2px; display: inline-block;
}
.cl-dot.blue  { background: var(--blue); }
.cl-dot.green { background: var(--green); }

/* Wide chart card */
.chart-card-wide { grid-column: span 2; }

/* Terminal card */
.terminal-card {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  font-family: var(--mono);
}
.term-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 1rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.tb {
  width: 11px; height: 11px; border-radius: 50%; display: inline-block;
}
.tb.r { background: #ff5f57; }
.tb.y { background: #febc2e; }
.tb.g { background: #28c840; }
.term-fname {
  font-size: 0.7rem; color: var(--muted); margin-left: 0.5rem; letter-spacing: 0.04em;
}
.term-body { padding: 1.25rem 1.5rem; }
.term-code {
  font-size: 0.78rem; line-height: 1.75;
  white-space: pre; overflow-x: auto;
  tab-size: 4;
}
/* Syntax highlighting — base rules moved to bottom with .cc-pre shared selectors */

/* === SKILLS === */
.skills-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}

/* Radar chart */
.radar-wrap {
  display: flex; justify-content: center; align-items: center;
  padding: 1rem 0;
}

.skill-chips-col { display: flex; flex-direction: column; gap: 1.8rem; }
.scc-group {}
.scc-label {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--muted); letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 0.65rem;
}
.scc-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.sc {
  font-family: var(--mono); font-size: 0.73rem;
  padding: 0.3rem 0.8rem; border-radius: 100px;
  cursor: default;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
}
.sc:hover { transform: translateY(-2px); }
.sc.blue  { background: var(--blue-dim);  border: 1px solid rgba(96,165,250,0.25);  color: var(--blue);  }
.sc.green { background: var(--green-dim); border: 1px solid rgba(52,211,153,0.25);  color: var(--green); }
.sc.amber { background: var(--amber-dim); border: 1px solid rgba(251,191,36,0.25);  color: var(--amber); }

/* === BENTO GRID === */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 1.25rem;
}
.bento-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s;
}
.bento-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* bc-large: top left, spans 2 cols × 1 row */
.bc-large {
  grid-column: span 2;
}
/* bc-med: 1 col */
.bc-med { grid-column: span 1; }
/* bc-wide: bottom, spans 2 cols */
.bc-wide {
  grid-column: span 2;
}

.bento-card.blue-accent  { border-top: 2px solid var(--blue); }
.bento-card.green-accent { border-top: 2px solid var(--green); }

.bc-badge {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--amber); letter-spacing: 0.06em;
}
.bc-eyebrow {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase;
}
.bc-big-num {
  font-family: var(--mono); font-size: 2.2rem;
  font-weight: 800; line-height: 1; color: var(--text);
  letter-spacing: -0.04em;
}
.bc-large .bc-big-num,
.bc-wide .bc-big-num { display: none; }
.bento-card h3 {
  font-size: 1.05rem; font-weight: 700;
  color: var(--text); line-height: 1.3;
}
.bento-card p {
  font-size: 0.86rem; color: var(--muted); line-height: 1.65; flex: 1;
}
.bento-card p strong { color: var(--text); }
.bento-card p em { color: var(--muted-hi); font-style: italic; }
.bc-stack {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin-top: auto;
}
.bc-stack span {
  font-family: var(--mono); font-size: 0.62rem;
  padding: 0.15rem 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--muted-hi); border-radius: 3px;
}
.bc-link {
  font-family: var(--mono); font-size: 0.73rem;
  color: var(--blue); transition: color 0.2s;
  margin-top: 0.25rem;
}
.bc-link:hover { color: var(--text); }
.bc-metric-bg {
  position: absolute; bottom: -0.5rem; right: 1rem;
  font-family: var(--mono); font-size: 5rem;
  font-weight: 900; color: rgba(255,255,255,0.03);
  line-height: 1; letter-spacing: -0.05em;
  pointer-events: none; user-select: none;
}

/* === BENTO CARD IMAGE STRIP === */
.bc-img {
  width: calc(100% + 4rem);
  margin: -2rem -2rem 0 -2rem;
  height: 180px;
  overflow: hidden;
  border-radius: var(--r) var(--r) 0 0;
  flex-shrink: 0;
}
.bc-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.88) saturate(0.9);
  transition: transform 0.5s var(--ease), filter 0.3s;
}
.bento-card:hover .bc-img img {
  transform: scale(1.04);
  filter: brightness(0.95) saturate(1);
}

/* === PUBLICATIONS (paper cards) === */
.pub-list {
  display: flex; flex-direction: column; gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.paper-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 1.75rem 2rem;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.paper-card:hover {
  border-left-color: var(--green);
  transform: translateX(4px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.paper-meta {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 0.6rem; flex-wrap: wrap;
}
.paper-venue {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--blue); font-weight: 600; letter-spacing: 0.05em;
}
.paper-status {
  font-family: var(--mono); font-size: 0.62rem;
  padding: 0.15rem 0.55rem; border-radius: 3px;
  letter-spacing: 0.07em; text-transform: uppercase; font-weight: 600;
}
.paper-status.published {
  background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.25); color: var(--green);
}
.paper-status.submitted {
  background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.2); color: var(--amber);
}
.paper-title {
  font-size: 1rem; font-weight: 700; line-height: 1.4;
  margin-bottom: 0.3rem; color: var(--text);
}
.paper-authors {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted-hi); margin-bottom: 0.75rem;
}
.paper-abstract {
  font-size: 0.88rem; color: var(--muted);
  line-height: 1.7; margin-bottom: 1rem;
  max-width: 820px;
}
.paper-stats {
  display: flex; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: 0.68rem; color: var(--muted-hi);
}

/* Awards compact grid */
.awards-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.award-card {
  display: flex; align-items: flex-start; gap: 0.9rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 1.25rem 1.5rem;
  transition: border-color 0.25s, transform 0.25s var(--ease);
}
.award-card:hover { border-color: var(--border-hi); transform: translateY(-2px); }
.award-icon { font-size: 1.4rem; flex-shrink: 0; line-height: 1; }
.award-title { font-size: 0.88rem; font-weight: 700; margin-bottom: 0.2rem; }
.award-sub { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); }

/* === RESEARCH / RECOGNITION (legacy, kept for fallback) === */
.rec-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.rec-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 2rem;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.rec-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
}
.rec-num {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--muted); letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}
.rec-type {
  display: inline-block;
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--green); border: 1px solid rgba(52,211,153,0.2);
  background: var(--green-dim);
  padding: 0.15rem 0.55rem; border-radius: 3px;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.rec-card h3 {
  font-size: 1rem; font-weight: 700;
  margin-bottom: 0.6rem;
}
.rec-card p {
  font-size: 0.86rem; color: var(--muted); line-height: 1.65;
}
.rec-card p strong { color: var(--text); font-weight: 600; }

/* Resume button */
.btn-resume {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: transparent; color: var(--muted-hi);
  padding: 0.75rem 1.4rem;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  font-weight: 500; font-size: 0.88rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-resume:hover {
  color: var(--green); border-color: rgba(52,211,153,0.35);
  background: rgba(52,211,153,0.06);
}

/* Seeking chips */
.seeking-chips {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  justify-content: center; margin-bottom: 2.5rem;
}
.sk-chip {
  font-family: var(--mono); font-size: 0.72rem;
  padding: 0.35rem 0.9rem; border-radius: 100px;
  background: rgba(96,165,250,0.08);
  border: 1px solid rgba(96,165,250,0.2);
  color: var(--blue);
  transition: background 0.2s, border-color 0.2s;
}
.sk-chip:hover { background: rgba(96,165,250,0.15); border-color: rgba(96,165,250,0.4); }

/* === CONTACT === */
.contact-wrap {
  max-width: 600px; margin: 0 auto; text-align: center;
}
.contact-h {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900; line-height: 0.95;
  letter-spacing: -0.04em; margin: 1.5rem 0 1rem;
}
.contact-sub {
  font-size: 1.05rem; color: var(--muted);
  max-width: 440px; margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.contact-email {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 1.1rem; font-weight: 600;
  color: var(--text); border-bottom: 1px solid var(--border);
  padding-bottom: 0.2rem; margin-bottom: 2rem;
  transition: color 0.2s, border-color 0.2s;
}
.contact-email:hover { color: var(--blue); border-color: var(--blue); }
.contact-links {
  display: flex; align-items: center; justify-content: center;
  gap: 0.75rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.82rem;
}
.contact-links a {
  color: var(--muted); transition: color 0.2s;
}
.contact-links a:hover { color: var(--text); }
.cl-dot { color: var(--border-hi); }

/* === TILT & MAGNETIC === */
.bento-card, .model-card, .rec-card, .timeline-card {
  will-change: transform;
}
.btn-fill, .btn-outline {
  will-change: transform;
}

/* === FOOTER === */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
}
.footer-inner {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted);
  display: flex; gap: 0.75rem;
  align-items: center; justify-content: center;
  flex-wrap: wrap;
}
.fd { color: var(--border-hi); }
.footer-mono { color: var(--muted); }

/* === REVEAL ANIMATIONS === */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* Slide from left */
.reveal-left {
  opacity: 0; transform: translateX(-44px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* Slide from right */
.reveal-right {
  opacity: 0; transform: translateX(44px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Spring scale-up */
.reveal-scale {
  opacity: 0; transform: scale(0.88);
  transition: opacity 0.55s var(--ease), transform 0.6s cubic-bezier(0.34,1.56,0.64,1);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Hero stagger */
.reveal-hero {
  opacity: 0; transform: translateY(20px);
}
.reveal-hero.visible { opacity: 1; transform: translateY(0); }
.reveal-hero:nth-child(1) { transition: opacity 0.7s var(--ease) 0.1s, transform 0.7s var(--ease) 0.1s; }
.reveal-hero:nth-child(2) { transition: opacity 0.7s var(--ease) 0.25s, transform 0.7s var(--ease) 0.25s; }
.reveal-hero:nth-child(3) { transition: opacity 0.7s var(--ease) 0.4s, transform 0.7s var(--ease) 0.4s; }
.reveal-hero:nth-child(4) { transition: opacity 0.7s var(--ease) 0.5s, transform 0.7s var(--ease) 0.5s; }
.reveal-hero:nth-child(5) { transition: opacity 0.7s var(--ease) 0.6s, transform 0.7s var(--ease) 0.6s; }
.reveal-hero:nth-child(6) { transition: opacity 0.7s var(--ease) 0.7s, transform 0.7s var(--ease) 0.7s; }

/* === KEYFRAMES === */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.65); }
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}
@keyframes panelFade {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .hero-split { grid-template-columns: 1fr 300px; gap: 2.5rem; }
  .photo-frame { width: 280px; height: 340px; }
}

@media (max-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .model-card { max-width: 480px; }
  .bento {
    grid-template-columns: repeat(2, 1fr);
  }
  .bc-large, .bc-wide { grid-column: span 2; }
  .bc-med { grid-column: span 1; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .showcase-layout { grid-template-columns: 1fr; }
  .chart-card-wide { grid-column: span 1; }
  .skills-layout { grid-template-columns: 1fr; gap: 3rem; }
  .radar-wrap { justify-content: flex-start; }
  .rec-grid { grid-template-columns: repeat(2, 1fr); }
  .awards-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-wrap: wrap; }

  .exp-layout {
    grid-template-columns: 1fr;
  }
  .exp-tabs {
    border-right: none;
    border-bottom: 1px solid var(--border);
    display: flex; overflow-x: auto; padding: 0;
  }
  .exp-tab {
    white-space: nowrap; border-left: none;
    border-bottom: 2px solid transparent; flex-shrink: 0;
  }
  .exp-tab.active {
    border-bottom-color: var(--blue); border-left: none;
  }

  .hero-split { grid-template-columns: 1fr; gap: 3rem; }
  .hero-photo { justify-content: flex-start; }
  .photo-frame { width: 220px; height: 265px; }
  .photo-badge { font-size: 0.65rem; }
  .hero-metrics { flex-wrap: wrap; gap: 1.5rem; }
  .hm-div { display: none; }
  .hm-item { padding: 0; }
}

@media (max-width: 600px) {
  .section { padding: 4.5rem 0; }
  .bento { grid-template-columns: 1fr; }
  .bc-large, .bc-wide, .bc-med { grid-column: span 1; }
  .hero-name { letter-spacing: -0.03em; }
  .hero-actions { flex-direction: column; }
  .btn-fill, .btn-outline, .btn-resume { justify-content: center; }
  .exp-content { padding: 1.5rem; }
  .rec-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
  .ep-top { flex-direction: column; }
  .ep-date { align-self: flex-start; }
  .paper-card { padding: 1.25rem; border-left-width: 2px; }
  .paper-stats { gap: 0.6rem; }
}

/* === CARD CODE OVERLAY === */
.card-code {
  position: absolute; inset: 0;
  background: rgba(7,9,15,0.97);
  border-radius: inherit; padding: 1.1rem 1.25rem;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
  pointer-events: none; z-index: 10;
  display: flex; flex-direction: column; gap: 0.6rem;
  overflow: hidden;
}
.bento-card:hover .card-code {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.cc-bar {
  display: flex; align-items: center; gap: 0.45rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.cc-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.cc-dot.r { background: #ff5f57; }
.cc-dot.y { background: #ffbd2e; }
.cc-dot.g { background: #28c840; }
.cc-fname {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--muted-hi); margin-left: auto;
}
.cc-pre {
  font-family: var(--mono); font-size: 0.72rem;
  line-height: 1.7; color: #eeffff; overflow: auto;
  flex: 1; white-space: pre;
}

/* Syntax highlighting — shared by .cc-pre and .term-code */
.cc-pre .k,  .term-code .k  { color: #c792ea; }
.cc-pre .cn, .term-code .cn { color: #ffcb6b; }
.cc-pre .fn, .term-code .fn { color: #82aaff; }
.cc-pre .v,  .term-code .v  { color: #eeffff; }
.cc-pre .s,  .term-code .s  { color: #c3e88d; }
.cc-pre .n,  .term-code .n  { color: #f78c6c; }
.cc-pre .t,  .term-code .t  { color: #ffcb6b; }
.cc-pre .cm, .term-code .cm { color: #546e7a; font-style: italic; }

/* === EXPERIENCE PANEL CODE BLOCK === */
.ep-code {
  margin-top: 1.25rem;
  background: rgba(7,9,15,0.8);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.ep-code-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.ep-code-bar .cc-fname { margin-left: auto; }
.ep-code-pre {
  font-family: var(--mono); font-size: 0.72rem;
  line-height: 1.7; color: #eeffff;
  padding: 0.85rem 1rem; overflow-x: auto;
  white-space: pre; margin: 0;
}

/* === LOADER === */
#loader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#loader.done {
  opacity: 0; visibility: hidden;
  pointer-events: none;
}
.loader-inner {
  display: flex; flex-direction: column; align-items: flex-start;
  width: min(480px, 90vw);
  gap: 1.25rem;
}
.loader-brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 1.15rem;
  color: var(--text); letter-spacing: 0.04em;
}
.loader-hex {
  color: var(--blue); font-size: 1.3rem;
  animation: loader-hex-spin 3s linear infinite;
}
@keyframes loader-hex-spin {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
.loader-terminal {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--muted); line-height: 1.9;
  min-height: 7.5rem;
  width: 100%;
}
.loader-terminal .lt-line {
  display: flex; align-items: baseline; gap: 0.5rem;
  opacity: 0; transform: translateY(4px);
  animation: lt-appear 0.25s ease forwards;
}
.loader-terminal .lt-prompt { color: var(--blue); flex-shrink: 0; }
.loader-terminal .lt-ok     { color: var(--green); margin-left: auto; }
.loader-terminal .lt-warn   { color: var(--amber); margin-left: auto; }
@keyframes lt-appear {
  to { opacity: 1; transform: translateY(0); }
}
.loader-terminal .lt-cursor {
  display: inline-block; width: 7px; height: 0.85em;
  background: var(--blue); vertical-align: middle;
  animation: lt-blink 0.75s step-end infinite;
}
@keyframes lt-blink { 50% { opacity: 0; } }

.loader-bar-wrap {
  width: 100%; height: 2px;
  background: var(--border);
  border-radius: 2px; overflow: hidden;
}
.loader-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--green));
  border-radius: 2px;
  transition: width 0.18s ease;
}
.loader-pct {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted); margin: 0;
}