/* =========================================================
   Alex Carter — Engineering Dashboard
   Design system: "Trust & Authority" · Monochrome + blue accent
   Fonts: Satoshi (headings) · General Sans (body) · JetBrains Mono (data)
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Brand — Deep Navy + Electric Blue + Violet (vibe) */
  /* Brand · warm bronze + ivory (luxury editorial). No blue dominance. */
  --accent: #C08457;          /* bronze */
  --accent-2: #D9A877;        /* light bronze / gold */
  --accent-3: #C08457;        /* alias kept for legacy refs */
  --accent-soft: rgba(192, 132, 87, 0.14);
  --grad: linear-gradient(118deg, #C08457 0%, #E8DCCB 100%);  /* bronze -> ivory */
  --grad-soft: linear-gradient(118deg, rgba(192,132,87,.16), rgba(232,220,203,.10));
  --glow: 0 14px 40px -18px rgba(192,132,87,.55);
  /* Multi-color data palette (editorial) */
  --c-emerald: #4F9D77;
  --c-burgundy: #A8454F;
  --c-amber: #D6A23E;
  --c-slate: #7C8794;
  --c-bronze: #C08457;
  --success: #5FB58C;
  --danger: #C25B57;

  /* Dark theme (default) · warm near-black */
  --bg: #0B0B0C;
  --bg-2: #141210;
  --surface: rgba(232, 220, 203, 0.045);
  --surface-2: rgba(232, 220, 203, 0.075);
  --glass-border: rgba(232, 220, 203, 0.12);
  --text: #ECE3D6;            /* ivory */
  --text-muted: #A99B86;      /* warm taupe */
  --text-faint: #6E6456;
  --shadow: 0 30px 70px -28px rgba(0, 0, 0, 0.82);
  --track: rgba(232, 220, 203, 0.10);

  /* Geometry */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --sidebar-w: 264px;
  --topbar-h: 64px;
  --maxw: 1180px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --t-fast: 160ms var(--ease);
  --t: 240ms var(--ease);

  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-head: "DM Sans", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  /* Warm paper */
  --bg: #F4EDE1;
  --bg-2: #FBF6EE;
  --surface: rgba(255, 251, 244, 0.72);
  --surface-2: rgba(255, 251, 244, 0.94);
  --glass-border: rgba(58, 44, 30, 0.12);
  --text: #2A2018;            /* warm near-black */
  --text-muted: #6B5C49;
  --text-faint: #9A8A74;
  --shadow: 0 22px 48px -24px rgba(58, 40, 24, 0.30);
  --track: rgba(58, 44, 30, 0.10);
  --accent: #A8632F;          /* deeper bronze for contrast on paper */
  --accent-2: #C08457;
  --accent-3: #A8632F;
  --accent-soft: rgba(168, 99, 47, 0.12);
  --grad: linear-gradient(118deg, #A8632F 0%, #C08457 100%);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

/* The hidden attribute must always win, even over display:grid/flex overlays */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--t), color var(--t);
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
/* Editorial serif for the big display moments */
h1, h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 5.5vw, 4rem); line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.1; }
h3 { font-size: 1.075rem; font-weight: 600; }
p { color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
strong { color: var(--text); font-weight: 600; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

/* Icons */
.ico { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico-sm { width: 18px; height: 18px; }
.ico-xs { width: 14px; height: 14px; }

.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200;
  transform: scaleX(0); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}

.skip-link {
  position: fixed; top: -60px; left: 12px; z-index: 999;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 8px;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; }

/* ---------- Aurora background ---------- */
.bg-aurora {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(46% 40% at 82% 6%, rgba(217, 168, 119, 0.12), transparent 70%),
    radial-gradient(50% 44% at 8% 94%, rgba(192, 132, 87, 0.16), transparent 72%);
  filter: saturate(1.02);
}
/* Floating ambient blobs */
.bg-aurora::before, .bg-aurora::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(70px);
  width: 42vw; height: 42vw; opacity: 0.5;
}
.bg-aurora::before { top: -8%; right: -6%; background: radial-gradient(circle, rgba(192,132,87,.30), transparent 65%); animation: float1 18s ease-in-out infinite alternate; }
.bg-aurora::after  { bottom: -12%; left: -8%; background: radial-gradient(circle, rgba(217,168,119,.24), transparent 65%); animation: float2 22s ease-in-out infinite alternate; }
[data-theme="light"] .bg-aurora { opacity: 0.6; }
@keyframes float1 { to { transform: translate3d(-6vw, 6vh, 0) scale(1.12); } }
@keyframes float2 { to { transform: translate3d(6vw, -5vh, 0) scale(1.1); } }

/* Soft film grain texture (editorial / luxury) */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  mix-blend-mode: overlay;
}
[data-theme="light"] body::before { opacity: .035; mix-blend-mode: multiply; }

/* ---------- Glass ---------- */
.glass {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: var(--shadow);
}

/* ============ SIDEBAR ============ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w);
  display: flex; flex-direction: column; padding: 20px 16px;
  border-radius: 0; border-left: none; border-top: none; border-bottom: none;
  z-index: 60; transition: transform var(--t);
}
.sidebar__brand { display: flex; align-items: center; gap: 12px; padding: 6px 8px 18px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: grid; place-items: center; font-family: var(--font-head); font-weight: 900;
  color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px -6px var(--accent);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 0.98rem; }
.brand-tag { font-size: 0.72rem; color: var(--text-faint); }
.sidebar__close { display: none; margin-left: auto; }

.nav { display: flex; flex-direction: column; gap: 3px; margin-top: 6px; overflow-y: auto; flex: 1; }
.nav__item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--r-sm);
  color: var(--text-muted); font-size: 0.9rem; font-weight: 500; position: relative;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav__item .ico { width: 19px; height: 19px; }
.nav__item:hover { background: var(--surface-2); color: var(--text); }
.nav__item.is-active { color: var(--text); background: var(--accent-soft); }
.nav__item.is-active::before {
  content: ""; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 22px; border-radius: 0 4px 4px 0; background: var(--accent);
}

.sidebar__foot { display: flex; flex-direction: column; gap: 10px; padding-top: 14px; }
.ai-launch {
  display: flex; align-items: center; gap: 10px; justify-content: center;
  padding: 11px 14px; border-radius: var(--r-sm); border: 1px solid var(--glass-border);
  background: linear-gradient(135deg, rgba(192,132,87,0.20), rgba(217,168,119,0.14));
  color: var(--text); font-size: 0.85rem; font-weight: 600;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.ai-launch:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -10px var(--accent); }
.ai-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }

.status-pill {
  display: flex; align-items: center; gap: 8px; justify-content: center;
  font-size: 0.78rem; color: var(--text-muted); padding: 8px;
  border-radius: var(--r-sm); border: 1px dashed var(--glass-border);
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px var(--success); }

/* ============ TOPBAR ============ */
.topbar {
  position: fixed; top: 0; right: 0; left: var(--sidebar-w); height: var(--topbar-h);
  display: flex; align-items: center; gap: 16px; padding: 0 24px;
  border-radius: 0; border-left: none; border-top: none; border-right: none;
  z-index: 50;
}
.topbar__menu { display: none; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.crumb-muted { color: var(--text-faint); }
.crumb-current { font-weight: 600; }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.kbd-hint { display: flex; gap: 3px; }
kbd {
  font-family: var(--font-mono); font-size: 0.7rem; padding: 2px 6px; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text-muted);
}

.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--r-sm);
  background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text);
  transition: background var(--t-fast), transform var(--t-fast);
}
.icon-btn:hover { background: var(--accent-soft); transform: translateY(-1px); }

/* theme icon toggle */
.ico-sun { display: none; }
[data-theme="light"] .ico-moon { display: none; }
[data-theme="light"] .ico-sun { display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 11px 18px; border-radius: var(--r-sm); font-weight: 600; font-size: 0.9rem;
  border: 1px solid transparent; transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(120deg, #CE9468, #B5702F); color: #1A140F; box-shadow: 0 12px 30px -12px rgba(192,132,87,.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -12px rgba(192,132,87,.7); }
.btn-ghost { background: var(--surface-2); border-color: var(--glass-border); color: var(--text); }
.btn-ghost:hover { background: var(--accent-soft); transform: translateY(-2px); }
.btn-sm { padding: 8px 14px; font-size: 0.82rem; }
.btn-block { width: 100%; }
.topbar__resume { padding: 9px 16px; }

/* ============ MAIN LAYOUT ============ */
.main {
  margin-left: var(--sidebar-w); padding: calc(var(--topbar-h) + 28px) 28px 40px;
  max-width: calc(var(--maxw) + var(--sidebar-w));
}
.section { scroll-margin-top: 84px; margin-bottom: 76px; }
.section-head { margin-bottom: 30px; }
.section-sub { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

/* ---------- Cards ---------- */
.card { border-radius: var(--r-lg); padding: 26px; transition: transform var(--t), box-shadow var(--t), border-color var(--t); position: relative; }
.card:hover { transform: translateY(-3px); border-color: rgba(192,132,87,0.5); box-shadow: var(--shadow), 0 10px 26px -14px rgba(192,132,87,.34); }
.card h3 { margin-bottom: 12px; }
.card .mt { margin-top: 18px; }
.card-icon {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 14px;
}
.card-icon.gold { background: rgba(245, 158, 11, 0.14); color: #F59E0B; }
.card-head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.muted-pill { font-size: 0.78rem; color: var(--text-muted); background: var(--surface-2); padding: 5px 12px; border-radius: 999px; border: 1px solid var(--glass-border); }

/* Bento grids */
.bento { display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.bento--overview { grid-template-columns: repeat(4, 1fr); }
.bento--skills { grid-template-columns: repeat(4, 1fr); }
.bento--gh { grid-template-columns: repeat(3, 1fr); }
.bento--learn { grid-template-columns: repeat(3, 1fr); }

/* ============ HERO (full page) ============ */
.section.hero { min-height: calc(100dvh - var(--topbar-h) - 12px); display: flex; align-items: center; margin-bottom: 44px; }
.hero__card { width: 100%; border-radius: var(--r-lg); padding: clamp(24px, 4vw, 44px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; align-items: center; position: relative; overflow: hidden; }
.hero__card::after {
  content: ""; position: absolute; top: -40%; right: -10%; width: 50%; height: 160%;
  background: radial-gradient(circle, rgba(192,132,87,.16), transparent 60%); pointer-events: none;
}
.hero__left { display: flex; gap: 24px; align-items: center; }
.avatar-ring { position: relative; flex: none; padding: 4px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.avatar { width: 120px; height: 120px; border-radius: 50%; display: block; background: var(--bg-2); object-fit: cover; }
.avatar-status { position: absolute; right: 8px; bottom: 8px; width: 18px; height: 18px; border-radius: 50%; background: var(--success); border: 3px solid var(--bg); }
.eyebrow { font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500; color: var(--accent-2); letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow::before { content: "> "; opacity: .7; }
.hero__id h1 {
  margin: 12px 0 16px; font-family: var(--font-display);
  font-size: clamp(2.9rem, 7.5vw, 5.6rem); line-height: 1.0; font-weight: 500; letter-spacing: -0.015em;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__tag { max-width: 48ch; font-size: clamp(1rem, 1.4vw, 1.12rem); }
.hero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.meta-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--text-muted); background: var(--surface-2); border: 1px solid var(--glass-border); padding: 6px 11px; border-radius: 999px; }
.meta-pill.focus { color: var(--accent); border-color: rgba(192,132,87,0.45); }
.focus-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.hero__cta { display: flex; gap: 12px; margin: 18px 0 16px; flex-wrap: wrap; }
.hero__social { display: flex; gap: 10px; }
.social { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text-muted); transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast); }
.social:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

.hero__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat-tile {
  background: var(--surface-2); border: 1px solid var(--glass-border); border-radius: var(--r-md);
  padding: 18px; text-align: center; transition: var(--t);
}
.stat-tile:hover { transform: translateY(-3px); border-color: rgba(192,132,87,0.45); }
.stat-num { font-family: var(--font-head); font-size: 1.9rem; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-suffix { font-family: var(--font-head); font-size: 1.3rem; font-weight: 900; color: var(--accent); }
.stat-label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* ---------- Lists ---------- */
.tick-list li { position: relative; padding-left: 26px; margin-bottom: 8px; color: var(--text-muted); font-size: 0.92rem; }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}

/* Progress rings */
.ring-card .ring-row { display: flex; justify-content: space-around; gap: 12px; flex-wrap: wrap; }
.ring-stat { position: relative; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.ring-stat.solo { margin: 8px auto; }
.prog-ring { width: 90px; height: 90px; transform: rotate(-90deg); }
.prog-ring.big { width: 120px; height: 120px; }
.prog-bg { fill: none; stroke: var(--track); stroke-width: 7; }
.prog-fg { fill: none; stroke: url(#g); stroke: var(--accent); stroke-width: 7; stroke-linecap: round; stroke-dasharray: 214; stroke-dashoffset: 214; transition: stroke-dashoffset 1.4s var(--ease); }
.ring-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; }
.ring-stat.solo .ring-center, .prog-ring.big + .ring-center { font-size: 1.6rem; }
.ring-center small { font-size: 0.7rem; color: var(--text-muted); font-weight: 500; }
.ring-label { font-size: 0.78rem; color: var(--text-muted); }
.center-muted { text-align: center; font-size: 0.85rem; margin-top: 6px; }
.ring-card .ring-row { align-items: center; }
.edu-list { display: flex; flex-direction: column; gap: 12px; flex: 1; min-width: 220px; }
.edu-item { display: flex; flex-direction: column; padding: 12px 14px; border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--glass-border); }
.edu-item strong { font-size: 0.92rem; }
.edu-item span { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Skill bars ---------- */
.skill-bars { display: flex; flex-direction: column; gap: 13px; }
.sb-row { display: flex; flex-direction: column; gap: 5px; }
.sb-top { display: flex; justify-content: space-between; font-size: 0.85rem; }
.sb-top span:last-child { font-family: var(--font-mono); color: var(--text-muted); font-size: 0.78rem; }
.track { height: 8px; border-radius: 999px; background: var(--track); overflow: hidden; }
.track > i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 1.2s var(--ease); }

/* ---------- Chips ---------- */
.chip-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-cloud.sm { margin-top: 12px; }
.chip {
  font-size: 0.78rem; padding: 6px 12px; border-radius: 999px; color: var(--text-muted);
  background: var(--surface-2); border: 1px solid var(--glass-border); transition: color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.chip:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-1px); }

/* Charts */
/* Fixed height + maintainAspectRatio:false on the charts prevents the
   Chart.js "growing canvas" bug (cards ballooning / charts blank). */
.chart-wrap { position: relative; width: 100%; height: 300px; }
.chart-wrap.sm { position: relative; width: 100%; height: 240px; max-width: 280px; margin: 0 auto; }

/* ============ TIMELINE ============ */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--accent), transparent); }
.tl-item { position: relative; margin-bottom: 18px; }
.tl-marker { position: absolute; left: -28px; top: 24px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.tl-head { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.tl-org { font-size: 0.85rem; color: var(--text-muted); }
.tl-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; height: fit-content; }
.achv-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 4px; }
.achv { font-size: 0.76rem; font-weight: 600; color: var(--success); background: rgba(22,163,74,0.12); border: 1px solid rgba(22,163,74,0.25); padding: 4px 10px; border-radius: 8px; }

/* ============ PROJECTS ============ */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.proj-card { border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; transition: transform var(--t), box-shadow var(--t), border-color var(--t); }
.proj-card:hover { transform: translateY(-5px); border-color: rgba(192,132,87,0.45); }
.proj-shot { height: 150px; background: var(--shot); position: relative; }
.proj-shot::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 80% at 50% 0%, rgba(255,255,255,0.25), transparent 60%); }
.proj-badge { position: absolute; top: 12px; left: 12px; font-size: 0.7rem; font-weight: 700; color: #fff; background: rgba(0,0,0,0.4); padding: 4px 10px; border-radius: 999px; backdrop-filter: blur(6px); z-index: 1; }
.proj-emoji { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,0.92); z-index: 1; }
.proj-emoji .ico { width: 46px; height: 46px; stroke-width: 1.6; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25)); }
.proj-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.proj-metrics { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8rem; color: var(--text-muted); }
.proj-metrics strong { color: var(--accent); font-family: var(--font-mono); }
.proj-links { display: flex; gap: 10px; margin-top: auto; padding-top: 6px; }

/* Auto GitHub repositories */
.subhead-row { display: flex; align-items: center; gap: 12px; margin: 34px 0 16px; }
.subhead { font-family: var(--font-display); font-weight: 500; font-size: 1.4rem; }
.repo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.repo-card { border-radius: var(--r-md); padding: 18px; display: flex; flex-direction: column; gap: 10px; min-height: 150px; transition: transform var(--t), border-color var(--t), box-shadow var(--t); }
a.repo-card:hover { transform: translateY(-4px); border-color: rgba(192,132,87,0.5); box-shadow: var(--shadow), 0 10px 26px -14px rgba(192,132,87,.34); }
.repo-card__top { display: flex; align-items: center; gap: 9px; }
.repo-card__top .ico { width: 17px; height: 17px; color: var(--accent); }
.repo-card__name { font-weight: 600; font-size: 0.96rem; color: var(--text); overflow-wrap: anywhere; }
.repo-card__desc { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.repo-card__meta { display: flex; align-items: center; gap: 16px; font-size: 0.76rem; color: var(--text-muted); font-family: var(--font-mono); }
.repo-card__meta span { display: inline-flex; align-items: center; gap: 5px; }
.lang-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.repo-skeleton { position: relative; overflow: hidden; background: var(--surface-2); }
.repo-skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(232,220,203,.07), transparent); animation: shimmer 1.4s infinite; }
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* ============ GITHUB ============ */
.heatmap { display: grid; grid-template-rows: repeat(7, 1fr); grid-auto-flow: column; grid-auto-columns: 1fr; gap: 3px; }
/* Warm bronze ramp: empty -> deep bronze -> bronze -> light bronze glow */
.hm-cell { width: 100%; aspect-ratio: 1; border-radius: 3px; background: #221C15; transition: transform .12s var(--ease); }
.hm-cell.l1 { background: #5A4126; }
.hm-cell.l2 { background: #8A6038; }
.hm-cell.l3 { background: #C08457; }
.hm-cell.l4 { background: #E2B886; box-shadow: 0 0 6px rgba(226,184,134,.4); }
.hm-cell:hover { transform: scale(1.35); }
[data-theme="light"] .hm-cell { background: #E9DECB; }
[data-theme="light"] .hm-cell.l1 { background: #DCC39A; }
[data-theme="light"] .hm-cell.l2 { background: #CC9A63; }
[data-theme="light"] .hm-cell.l3 { background: #B5702F; }
[data-theme="light"] .hm-cell.l4 { background: #8A4F23; box-shadow: none; }
.heatmap-legend { display: flex; align-items: center; gap: 5px; justify-content: flex-end; margin-top: 12px; font-size: 0.72rem; color: var(--text-faint); }
.heatmap-legend .hm-cell { width: 12px; height: 12px; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mini-stats > div { text-align: center; }
.mini-num { display: block; font-family: var(--font-head); font-weight: 900; font-size: 1.7rem; color: var(--text); }
.mini-lbl { font-size: 0.76rem; color: var(--text-muted); }

/* ============ LEETCODE / DSA ============ */
.lc-body { display: flex; align-items: center; gap: clamp(20px, 4vw, 48px); flex-wrap: wrap; }
.lc-total { text-align: center; flex: none; padding-right: clamp(0px, 2vw, 20px); }
.lc-num { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.6rem, 5vw, 3.6rem); line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lc-lbl { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; }
.lc-bars { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 13px; }
.lc-row { display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 14px; }
.lc-diff { font-size: 0.82rem; font-weight: 600; }
.lc-diff.easy { color: #4F9D77; } .lc-diff.medium { color: #D6A23E; } .lc-diff.hard { color: #A8454F; }
.lc-row .track > i { transition: width 1.1s var(--ease); }
.lc-row .track > i.easy { background: #4F9D77; } .lc-row .track > i.medium { background: #D6A23E; } .lc-row .track > i.hard { background: #A8454F; }
.lc-cnt { font-family: var(--font-mono); font-size: 0.84rem; color: var(--text); min-width: 56px; text-align: right; }
.lc-cnt small { color: var(--text-faint); }

/* ============ LEARNING ============ */
.learn-row { display: flex; justify-content: space-between; font-size: 0.88rem; margin: 12px 0 5px; }
.learn-pct { font-family: var(--font-mono); color: var(--accent); font-size: 0.8rem; }
.cert-list li { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--glass-border); font-size: 0.9rem; }
.cert-list li:last-child { border-bottom: none; }
.cert-badge { font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700; color: var(--accent); background: var(--accent-soft); padding: 4px 8px; border-radius: 7px; flex: none; }

/* ============ ACHIEVEMENTS ============ */
.achv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

/* ============ BLOG ============ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.blog-card { border-radius: var(--r-lg); padding: 22px; display: flex; flex-direction: column; gap: 10px; transition: transform var(--t), border-color var(--t); }
.blog-card:hover { transform: translateY(-4px); border-color: rgba(192,132,87,0.45); }
.blog-tag { align-self: flex-start; font-size: 0.72rem; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; }
.blog-card h3 { font-size: 1rem; }
.blog-meta { font-size: 0.76rem; color: var(--text-faint); margin-top: auto; font-family: var(--font-mono); }

/* ============ CONTACT ============ */
.contact-wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.contact-form { border-radius: var(--r-lg); display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.85rem; font-weight: 600; }
.req { color: var(--danger); }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: var(--r-sm); font-family: inherit; font-size: 0.92rem;
  background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text); resize: vertical;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.err { font-size: 0.78rem; color: var(--danger); min-height: 1em; }
.form-note { font-size: 0.85rem; min-height: 1.2em; }
.form-note.ok { color: var(--success); }

.contact-side { display: flex; flex-direction: column; gap: 14px; }
.contact-line { border-radius: var(--r-md); padding: 16px 18px; display: flex; align-items: center; gap: 14px; font-size: 0.88rem; }
.contact-line strong { font-size: 0.92rem; }
.contact-ico { width: 40px; height: 40px; flex: none; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }

.footer { text-align: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--glass-border); font-size: 0.82rem; color: var(--text-faint); }

/* ============ AI PANEL ============ */
.ai-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(2px); z-index: 90; animation: fade var(--t); }
@keyframes fade { from { opacity: 0; } }
.ai-panel {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 92vw); z-index: 100;
  display: flex; flex-direction: column; border-radius: 0; border-right: none; border-top: none; border-bottom: none;
  transform: translateX(102%); transition: transform var(--t);
}
.ai-panel.open { transform: translateX(0); }
.ai-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--glass-border); }
.ai-head-id { display: flex; align-items: center; gap: 12px; }
.ai-head-id strong { display: block; font-size: 0.95rem; }
.ai-sub { font-size: 0.76rem; color: var(--text-muted); }
.ai-body { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.ai-msg { max-width: 85%; padding: 12px 15px; border-radius: 16px; font-size: 0.9rem; line-height: 1.5; }
.ai-msg--bot { background: var(--surface-2); border: 1px solid var(--glass-border); border-bottom-left-radius: 4px; align-self: flex-start; }
.ai-msg--user { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-bottom-right-radius: 4px; align-self: flex-end; }
.ai-msg--typing { display: flex; gap: 4px; }
.ai-msg--typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--text-muted); animation: blink 1.2s infinite; }
.ai-msg--typing i:nth-child(2){ animation-delay: .2s; } .ai-msg--typing i:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,60%,100% { opacity: .25; } 30% { opacity: 1; } }
.ai-suggest { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 20px 14px; }
.suggest-chip { font-size: 0.78rem; padding: 7px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text-muted); transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast); }
.suggest-chip:hover { color: var(--accent); border-color: var(--accent); }
.ai-input { display: flex; gap: 10px; padding: 16px 20px; border-top: 1px solid var(--glass-border); }
.ai-input input { flex: 1; padding: 12px 14px; border-radius: var(--r-sm); background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text); font-family: inherit; }
.ai-input input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ai-send { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: none; }

/* ============ REVEAL ANIM ============ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ============ COMMAND PALETTE ============ */
.cmdk {
  position: fixed; inset: 0; z-index: 130; display: grid; place-items: start center; padding: 12vh 20px 20px;
  background: rgba(8,7,6,.58); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); animation: fade var(--t);
}
.cmdk__panel { width: min(560px, 95vw); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow); animation: modalIn .26s var(--ease); }
.cmdk__search { display: flex; align-items: center; gap: 11px; padding: 15px 17px; border-bottom: 1px solid var(--glass-border); }
.cmdk__search .ico { color: var(--text-muted); flex: none; }
.cmdk__search input { flex: 1; background: transparent; border: 0; outline: none; color: var(--text); font-family: inherit; font-size: 1rem; }
.cmdk__list { list-style: none; max-height: 54vh; overflow-y: auto; padding: 8px; }
.cmdk__item { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: var(--r-sm); cursor: pointer; color: var(--text-muted); font-size: 0.92rem; }
.cmdk__item .ico { width: 17px; height: 17px; color: var(--accent); flex: none; }
.cmdk__item .cmdk__hint { margin-left: auto; font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.cmdk__item.active, .cmdk__item:hover { background: var(--accent-soft); color: var(--text); }
.cmdk__empty { padding: 20px; text-align: center; color: var(--text-faint); font-size: 0.9rem; }

/* ============ RESUME MODAL ============ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 24px;
  background: rgba(8,7,6,.62); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  animation: fade var(--t);
}
.modal {
  width: min(860px, 96vw); max-height: 90dvh; display: flex; flex-direction: column;
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow);
  animation: modalIn .32s var(--ease);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(14px) scale(0.98); } }
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 18px; border-bottom: 1px solid var(--glass-border); }
.modal__head strong { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; }
.modal__actions { display: flex; align-items: center; gap: 8px; }
.modal__pdf { width: 100%; flex: 1; min-height: 60dvh; border: 0; background: var(--bg-2); }

/* ============ PRESS FEEDBACK + TOUCH HOVER GUARD ============ */
/* Tactile "physical push" on press (Emil / Taste): subtle scale, fast ease-out. */
.btn, .icon-btn, .social, .ai-launch, .ai-send, .suggest-chip, .nav__item, .chip { transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast); }
.btn:active, .icon-btn:active, .social:active, .ai-launch:active, .ai-send:active, .suggest-chip:active, .nav__item:active { transform: scale(0.97); }
.card:active, .proj-card:active, .blog-card:active, .contact-line:active { transform: scale(0.99); }

/* Don't trigger hover-lift on touch devices (avoids "sticky hover"). */
@media (hover: none) {
  .card:hover, .btn:hover, .proj-card:hover, .blog-card:hover, .chip:hover,
  .social:hover, .nav__item:hover, .stat-tile:hover, .contact-line:hover,
  .icon-btn:hover, .ai-launch:hover { transform: none; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .bento, .bento--overview, .bento--skills, .bento--gh, .bento--learn { grid-template-columns: repeat(2, 1fr); }
  .span-2, .span-3 { grid-column: span 2; }
  .proj-grid, .blog-grid, .achv-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__card { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  :root { --sidebar-w: 0px; }
  .sidebar {
    --sidebar-w: 272px; width: 272px; transform: translateX(-105%);
    border-right: 1px solid var(--glass-border);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar__close { display: grid; }
  .topbar { left: 0; }
  .topbar__menu { display: grid; }
  .main { margin-left: 0; padding: calc(var(--topbar-h) + 22px) 18px 36px; }
  .topbar__resume span, .kbd-hint { display: none; }
}

@media (max-width: 620px) {
  .bento, .bento--overview, .bento--skills, .bento--gh, .bento--learn,
  .proj-grid, .blog-grid, .achv-grid, .hero__stats, .mini-stats, .contact-wrap { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: span 1; }
  .hero__left { flex-direction: column; text-align: center; align-items: center; }
  .hero__cta, .hero__social { justify-content: center; }
  .hero__tag { margin: 0 auto; }
  .hero__card { padding: 22px; }
  .topbar__resume { display: none; }
}

/* ============ ACCESSIBILITY ============ */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}