/* ================================================================
   Daniel Rivera — Portfolio 2026
   assets/css/style.css
   ================================================================ */

/* Google Fonts loaded via <link> in HTML for parallel fetch instead of blocking @import */

/* ─── Design Tokens ───────────────────────────────────────────── */
:root {
  /* Core surface palette — warm dark, no blue/pink */
  --bg:        #0F0D0A;
  --surface:   #16130F;
  --surface-2: #1D1A15;
  --surface-3: #24201A;
  --border:    #2A2620;
  --border-2:  #332D27;

  /* Brand colors — warm palette only */
  --coral:      #FF6B35;
  --orange:     #FF8C42;
  --rust:       #D4693D;
  --emerald:    #10B981;
  --gold:       #FBBF24;
  --amber:      #F59E0B;
  --warm:       #FF7043;

  /* Gradients — warm only */
  --grad-brand:  linear-gradient(135deg, #FF6B35 0%, #D4693D 100%);
  --grad-cool:   linear-gradient(135deg, #10B981 0%, #10B981 100%);
  --grad-warm:   linear-gradient(135deg, #FBBF24 0%, #FF8C42 100%);
  --grad-text:   linear-gradient(135deg, #FF6B35 0%, #D4693D 50%, #10B981 100%);
  --grad-gold:   linear-gradient(135deg, #FF8C42 0%, #FBBF24 100%);

  /* Text */
  --text:       #F9F7F4;
  --text-muted: #A89A8E;
  --text-faint: #6B6259;

  /* Glows — warm colors only */
  --glow-coral:  rgba(255, 107, 53, 0.4);
  --glow-rust:   rgba(212, 105, 61, 0.4);
  --glow-emerald: rgba(16, 185, 129, 0.4);
  --glow-gold:   rgba(251, 191, 36, 0.3);

  /* Fonts */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale (8px base) */
  --sp-1: 0.25rem;   --sp-2: 0.5rem;    --sp-3: 0.75rem;
  --sp-4: 1rem;      --sp-5: 1.25rem;   --sp-6: 1.5rem;
  --sp-8: 2rem;      --sp-10: 2.5rem;   --sp-12: 3rem;
  --sp-16: 4rem;     --sp-20: 5rem;     --sp-24: 6rem;

  /* Radii */
  --r-sm:   6px;
  --r:      12px;
  --r-lg:   20px;
  --r-xl:   32px;
  --r-full: 9999px;

  /* Easing */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-w:  1100px;
  --nav-h:  72px;
}

/* ─── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background:  var(--bg);
  color:       var(--text);
  line-height: 1.65;
  font-size:   16px;
  overflow-x:  hidden;
  cursor:      none;
}
img   { max-width: 100%; display: block; }
a     { color: var(--coral); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text); }
ul    { list-style: none; }
button { font-family: inherit; cursor: none; }

.perf-lite body { cursor: auto; }
.perf-lite button,
.perf-lite .filter-btn,
.perf-lite .nav-hamburger { cursor: pointer; }

/* ─── Custom Cursor ───────────────────────────────────────────── */
.cursor-dot,
.cursor-ring {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
  transition-property: opacity, transform;
  transition-timing-function: var(--ease-out);
}
.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--coral);
  margin: -4px 0 0 -4px;
  transition-duration: 50ms;
}
.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(255, 107, 53, 0.6);
  margin: -18px 0 0 -18px;
  transition-duration: 120ms;
}
body:has(a:hover) .cursor-ring,
body:has(button:hover) .cursor-ring {
  transform: scale(1.5);
  border-color: var(--coral);
  background: rgba(255, 107, 53, 0.08);
}
.perf-lite .cursor-dot,
.perf-lite .cursor-ring {
  display: none !important;
}

/* ─── Layout Helpers ──────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin:    0 auto;
  padding:   0 var(--sp-6);
}
section { scroll-margin-top: var(--nav-h); }

/* ─── Gradient Text ───────────────────────────────────────────── */
.grad-text {
  background:          var(--grad-text);
  -webkit-background-clip: text;
  background-clip:     text;
  -webkit-text-fill-color: transparent;
}
.grad-text-brand {
  background:          var(--grad-brand);
  -webkit-background-clip: text;
  background-clip:     text;
  -webkit-text-fill-color: transparent;
}
.grad-text-cool {
  background:          var(--grad-cool);
  -webkit-background-clip: text;
  background-clip:     text;
  -webkit-text-fill-color: transparent;
}

/* ─── Section Titles ──────────────────────────────────────────── */
.section-eyebrow {
  display:        inline-flex;
  align-items:    center;
  gap:            var(--sp-2);
  font-family:    var(--font-mono);
  font-size:      0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color:          var(--coral);
  margin-bottom:  var(--sp-3);
}
.section-eyebrow::before {
  content:    '';
  width:      24px;
  height:     1px;
  background: var(--grad-brand);
  flex-shrink: 0;
}
.section-title {
  font-family:   var(--font-display);
  font-size:     clamp(1.8rem, 4vw, 2.6rem);
  font-weight:   700;
  line-height:   1.15;
  margin-bottom: var(--sp-3);
  color:         var(--text);
}
.section-subtitle {
  color:         var(--text-muted);
  font-size:     1.05rem;
  max-width:     540px;
  margin-bottom: var(--sp-10);
  line-height:   1.7;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display:        inline-flex;
  align-items:    center;
  gap:            var(--sp-2);
  padding:        0.7rem 1.5rem;
  border-radius:  var(--r-full);
  font-family:    var(--font-display);
  font-size:      0.9rem;
  font-weight:    600;
  border:         none;
  text-decoration: none !important;
  transition:     all 0.25s var(--ease-out);
  position:       relative;
  overflow:       hidden;
  white-space:    nowrap;
}
.btn::after {
  content:    '';
  position:   absolute;
  inset:      0;
  background: rgba(255,255,255,0.12);
  opacity:    0;
  transition: opacity 0.2s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--grad-brand);
  color:      #0F0D0A;
  box-shadow: 0 0 24px var(--glow-coral);
}
.btn-primary:hover {
  box-shadow: 0 0 40px var(--glow-coral);
  color:      #0F0D0A;
  transform:  translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color:      var(--text);
  border:     1px solid var(--border-2);
}
.btn-ghost:hover {
  border-color: var(--coral);
  color:        var(--coral);
  transform:    translateY(-2px);
}
.btn-green {
  background: var(--grad-cool);
  color:      #0F0D0A;
  font-weight: 700;
  box-shadow: 0 0 24px var(--glow-green);
}
.btn-green:hover {
  box-shadow: 0 0 40px var(--glow-green);
  color:      #0F0D0A;
  transform:  translateY(-2px);
}

/* ─── Tags ────────────────────────────────────────────────────── */
.tag {
  display:     inline-flex;
  align-items: center;
  padding:     0.2rem 0.65rem;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  font-size:   0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition:  all 0.2s;
}
.tag-pink   { background: rgba(255,107,53,0.12); color: var(--coral);   border: 1px solid rgba(255,107,53,0.25); }
.tag-purple { background: rgba(123,47,190,0.12); color: #D4693D;       border: 1px solid rgba(123,47,190,0.25); }
.tag-green  { background: rgba(16,185,129,0.12);  color: var(--emerald);  border: 1px solid rgba(16,185,129,0.25);  }
.tag-amber  { background: rgba(251,191,36,0.12); color: var(--amber);  border: 1px solid rgba(251,191,36,0.25); }
.tag-coral  { background: rgba(255,107,53,0.12);color: var(--coral);  border: 1px solid rgba(255,107,53,0.25); }
.tag-cyan   { background: rgba(255,140,66,0.12);  color: var(--orange);   border: 1px solid rgba(255,140,66,0.25);  }

/* ─── Navigation ──────────────────────────────────────────────── */
.nav {
  position:        fixed;
  top:             0;
  left:            0;
  right:           0;
  z-index:         100;
  height:          var(--nav-h);
  background:      rgba(7, 7, 26, 0.7);
  backdrop-filter: blur(16px);
  border-bottom:   1px solid rgba(255,255,255,0.05);
  transition:      background 0.3s, border-color 0.3s;
}
.nav.scrolled {
  background:   rgba(7, 7, 26, 0.92);
  border-color: var(--border);
}
.nav-inner {
  height:          100%;
  display:         flex;
  align-items:     center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size:   1.25rem;
  font-weight: 700;
  color:       var(--text) !important;
  text-decoration: none !important;
  letter-spacing: -0.02em;
  display:     flex;
  align-items: center;
  gap:         var(--sp-1);
}
.nav-logo-accent {
  background:          var(--grad-brand);
  -webkit-background-clip: text;
  background-clip:     text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display:     flex;
  align-items: center;
  gap:         var(--sp-1);
}
.nav-link {
  position:     relative;
  padding:      0.45rem 0.85rem;
  border-radius: var(--r);
  font-family:  var(--font-display);
  font-size:    0.88rem;
  font-weight:  500;
  color:        var(--text-muted) !important;
  text-decoration: none !important;
  transition:   color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text) !important; background: rgba(255,255,255,0.05); }
.nav-link.active {
  color:      var(--text) !important;
  background: rgba(255, 60, 172, 0.1);
}
.nav-link.active::after {
  content:    '';
  position:   absolute;
  bottom:     4px;
  left:       50%;
  transform:  translateX(-50%);
  width:      4px;
  height:     4px;
  border-radius: 50%;
  background: var(--coral);
}
.nav-cta {
  margin-left: var(--sp-4);
  padding:     0.45rem 1.1rem;
  font-size:   0.85rem;
}
.nav-hamburger {
  display:     none;
  flex-direction: column;
  gap:         5px;
  background:  none;
  border:      none;
  padding:     var(--sp-2);
  cursor:      none;
}
.nav-hamburger span {
  display:      block;
  width:        22px;
  height:       2px;
  background:   var(--text);
  border-radius: 2px;
  transition:   all 0.3s var(--ease-out);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav drawer */
.nav-drawer {
  display:    none;
  position:   fixed;
  top:        var(--nav-h);
  left:       0;
  right:      0;
  background: rgba(7,7,26,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding:    var(--sp-4) var(--sp-6);
  flex-direction: column;
  gap:        var(--sp-2);
  z-index:    99;
}
.nav-drawer.open { display: flex; }
.nav-drawer .nav-link {
  font-size:   1rem;
  padding:     0.6rem 0.85rem;
}

/* ─── Glass Card ──────────────────────────────────────────────── */
.glass-card {
  background:      var(--surface-2);
  border:          1px solid var(--border);
  border-radius:   var(--r-lg);
  transition:      border-color 0.3s var(--ease-out),
                   box-shadow   0.3s var(--ease-out),
                   transform    0.3s var(--ease-out);
  position:        relative;
  overflow:        hidden;
}
.glass-card::before {
  content:    '';
  position:   absolute;
  inset:      -1px;
  border-radius: inherit;
  background: var(--grad-brand);
  opacity:    0;
  z-index:    -1;
  transition: opacity 0.3s;
}
.glass-card:hover {
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow:   0 0 0 1px rgba(255,107,53,0.1),
                0 8px 40px rgba(255,107,53,0.15),
                0 24px 64px rgba(0,0,0,0.4);
}

.perf-lite .nav,
.perf-lite .nav-drawer {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* ─── Gradient Border helper ──────────────────────────────────── */
.grad-border {
  position: relative;
}
.grad-border::before {
  content:        '';
  position:       absolute;
  inset:          0;
  border-radius:  inherit;
  padding:        1px;
  background:     var(--grad-brand);
  -webkit-mask:   linear-gradient(#fff 0 0) content-box,
                  linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

/* ─── Scroll Reveal ───────────────────────────────────────────── */
.reveal {
  opacity:    0;
  transform:  translateY(28px);
  transition: opacity  0.7s var(--ease-out),
              transform 0.7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.reveal.visible {
  opacity:   1;
  transform: none;
}
.reveal-left {
  opacity:   0;
  transform: translateX(-30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-scale {
  opacity:   0;
  transform: scale(0.92);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-spring);
  transition-delay: var(--delay, 0ms);
}
.reveal-scale.visible { opacity: 1; transform: none; }

/* ─── Gradient Orbs (background blobs) ───────────────────────── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter:   blur(60px);
  pointer-events: none;
  opacity:  0.5;
}
.perf-lite .orb {
  filter: none;
  opacity: 0.18;
}
.orb-pink   { background: radial-gradient(circle, #FF6B35 0%, transparent 70%); }
.orb-purple { background: radial-gradient(circle, #7B2FBE 0%, transparent 70%); }
.orb-green   { background: radial-gradient(circle, #10B981 0%, transparent 70%); }
.orb-emerald { background: radial-gradient(circle, #10B981 0%, transparent 70%); }
.orb-violet  { background: radial-gradient(circle, #5E17EB 0%, transparent 70%); }

/* ─── Dot Grid Background ─────────────────────────────────────── */
.dot-grid {
  background-image: radial-gradient(circle, rgba(255,107,53,0.12) 1px, transparent 1px);
  background-size:  28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

/* ─── Hero Section ────────────────────────────────────────────── */
.hero {
  position:       relative;
  min-height:     100vh;
  display:        flex;
  align-items:    center;
  padding:        calc(var(--nav-h) + var(--sp-12)) 0 var(--sp-24);
  overflow:       hidden;
}
#hero-canvas {
  position: absolute;
  inset:    0;
  width:    100%;
  height:   100%;
  opacity:  0.35;
}
.hero-orb-1 {
  width:  500px;
  height: 500px;
  top:    -100px;
  right:  -150px;
}
.hero-orb-2 {
  width:  400px;
  height: 400px;
  bottom: 0;
  left:   -120px;
}
.hero-content {
  position:   relative;
  z-index:    1;
  display:    grid;
  grid-template-columns: 1fr auto;
  gap:        var(--sp-12);
  align-items: center;
}
.hero-badge {
  display:        inline-flex;
  align-items:    center;
  gap:            var(--sp-2);
  background:     rgba(16, 185, 129, 0.08);
  border:         1px solid rgba(16, 185, 129, 0.25);
  border-radius:  var(--r-full);
  padding:        0.3rem 0.9rem;
  font-family:    var(--font-mono);
  font-size:      0.78rem;
  color:          var(--emerald);
  margin-bottom:  var(--sp-5);
  width:          fit-content;
}
.hero-badge-dot {
  width:      7px;
  height:     7px;
  background: var(--emerald);
  border-radius: 50%;
  animation:  pulse-green 2s infinite;
}
.hero-name {
  font-family:   var(--font-display);
  font-size:     clamp(2.8rem, 7vw, 5rem);
  font-weight:   700;
  line-height:   1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-4);
}
.hero-name-last {
  background:          var(--grad-brand);
  -webkit-background-clip: text;
  background-clip:     text;
  -webkit-text-fill-color: transparent;
  display:             block;
}
.hero-title {
  display:       flex;
  align-items:   center;
  gap:           var(--sp-3);
  font-size:     1.1rem;
  color:         var(--text-muted);
  margin-bottom: var(--sp-5);
  flex-wrap:     wrap;
}
.hero-title-sep {
  width:      4px;
  height:     4px;
  background: var(--text-faint);
  border-radius: 50%;
  flex-shrink: 0;
}
.hero-typewriter {
  font-family:   var(--font-mono);
  font-size:     0.95rem;
  color:         var(--coral);
  margin-bottom: var(--sp-5);
  height:        1.5em;
  overflow:      hidden;
}
.hero-typewriter span { display: inline-block; }
.cursor-blink {
  display:    inline-block;
  width:      2px;
  height:     1em;
  background: var(--coral);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation:  blink 1s step-end infinite;
}
.hero-bio {
  color:         var(--text-muted);
  font-size:     1rem;
  max-width:     520px;
  line-height:   1.75;
  margin-bottom: var(--sp-8);
}
.hero-actions {
  display:   flex;
  gap:       var(--sp-4);
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position:     absolute;
  bottom:       var(--sp-8);
  left:         50%;
  transform:    translateX(-50%);
  display:      flex;
  flex-direction: column;
  align-items:  center;
  gap:          var(--sp-2);
  color:        var(--text-faint);
  font-size:    0.72rem;
  font-family:  var(--font-mono);
  letter-spacing: 0.1em;
  animation:    float-y 3s ease-in-out infinite;
}
.scroll-arrow {
  width:  20px;
  height: 20px;
  border-right: 1.5px solid var(--text-faint);
  border-bottom: 1.5px solid var(--text-faint);
  transform: rotate(45deg);
}

/* ─── Avatar ──────────────────────────────────────────────────── */
.avatar-outer {
  position:    relative;
  width:       180px;
  height:      180px;
  flex-shrink: 0;
}
.avatar-ring {
  position:      absolute;
  inset:         -4px;
  border-radius: 50%;
  background:    var(--grad-brand);
  animation:     spin-ring 6s linear infinite;
  will-change:   transform;
  z-index:       0;
}
.avatar-bg {
  position:        absolute;
  inset:           3px;
  border-radius:   50%;
  background:      var(--surface);
  z-index:         1;
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       4.5rem;
  overflow:        hidden;
}
.avatar-bg img {
  width:  100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.avatar-status {
  position:      absolute;
  bottom:        8px;
  right:         8px;
  z-index:       2;
  background:    var(--bg);
  border-radius: var(--r-full);
  padding:       3px 8px;
  font-size:     0.68rem;
  font-family:   var(--font-mono);
  color:         var(--emerald);
  border:        1px solid rgba(16,185,129,0.3);
  display:       flex;
  align-items:   center;
  gap:           4px;
  white-space:   nowrap;
}

/* ─── Stats Bar ───────────────────────────────────────────────── */
.stats-bar {
  padding:       var(--sp-8) 0;
  border-top:    1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-20);
}
.stats-grid {
  display:             grid;
  grid-template-columns: repeat(4, 1fr);
  gap:                 1px;
  background:          var(--border);
  border:              1px solid var(--border);
  border-radius:       var(--r-lg);
  overflow:            hidden;
}
.stat-item {
  background:  var(--surface);
  padding:     var(--sp-6) var(--sp-8);
  text-align:  center;
  transition:  background 0.2s;
}
.stat-item:hover { background: var(--surface-2); }
.stat-number {
  font-family:   var(--font-display);
  font-size:     2.2rem;
  font-weight:   700;
  background:    var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height:   1;
  margin-bottom: var(--sp-1);
}
.stat-label {
  font-size:   0.78rem;
  color:       var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ─── About Section ───────────────────────────────────────────── */
.about {
  padding: var(--sp-24) 0;
  content-visibility: auto;
  contain-intrinsic-size: 0 700px;
}
.about-grid {
  display:    grid;
  grid-template-columns: 1fr 1fr;
  gap:        var(--sp-16);
  align-items: start;
}
.about-highlights {
  display:        flex;
  flex-direction: column;
  gap:            var(--sp-4);
}
.highlight-item {
  display:      flex;
  gap:          var(--sp-4);
  padding:      var(--sp-5);
  border-radius: var(--r-lg);
  border:        1px solid var(--border);
  background:    var(--surface);
  transition:    border-color 0.25s, transform 0.25s;
}
.highlight-item:hover {
  border-color: rgba(255,107,53,0.4);
  transform:    translateX(4px);
}
.highlight-icon {
  width:           44px;
  height:          44px;
  border-radius:   var(--r);
  background:      rgba(255,107,53,0.1);
  border:          1px solid rgba(255,107,53,0.2);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       1.2rem;
  flex-shrink:     0;
}
.highlight-icon.green-icon {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.2);
}
.highlight-icon.purple-icon {
  background: rgba(123,47,190,0.1);
  border-color: rgba(123,47,190,0.2);
}
.highlight-icon.amber-icon {
  background: rgba(251,191,36,0.1);
  border-color: rgba(251,191,36,0.2);
}
.highlight-title {
  font-family:   var(--font-display);
  font-size:     0.95rem;
  font-weight:   600;
  margin-bottom: var(--sp-1);
  color:         var(--text);
}
.highlight-desc {
  font-size: 0.85rem;
  color:     var(--text-muted);
  line-height: 1.6;
}

/* ─── Project Cards ───────────────────────────────────────────── */
.projects {
  padding: var(--sp-24) 0;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: 0 900px;
}
.project-filters {
  display:     flex;
  gap:         var(--sp-2);
  flex-wrap:   wrap;
  margin-bottom: var(--sp-8);
}
.filter-btn {
  padding:      0.4rem 1.1rem;
  border-radius: var(--r-full);
  font-family:  var(--font-display);
  font-size:    0.85rem;
  font-weight:  500;
  background:   var(--surface);
  border:       1px solid var(--border-2);
  color:        var(--text-muted);
  cursor:       none;
  transition:   all 0.2s var(--ease-out);
}
.filter-btn:hover {
  border-color: var(--coral);
  color:        var(--coral);
}
.filter-btn.active {
  background:   var(--grad-brand);
  border-color: transparent;
  color:        #fff;
  box-shadow:   0 0 20px var(--glow-coral);
}

.projects-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap:                   var(--sp-5);
}
.project-card {
  padding:        var(--sp-6);
  border-radius:  var(--r-lg);
  background:     var(--surface);
  border:         1px solid var(--border);
  display:        flex;
  flex-direction: column;
  gap:            var(--sp-4);
  transition:     border-color 0.3s var(--ease-out),
                  box-shadow   0.3s var(--ease-out),
                  transform    0.3s var(--ease-out);
  position:       relative;
  overflow:       hidden;
}
.project-card::after {
  content:    '';
  position:   absolute;
  inset:      0;
  background: radial-gradient(600px circle at var(--mx,50%) var(--my,50%),
              rgba(255,107,53,0.06) 0%,
              transparent 50%);
  pointer-events: none;
  opacity:    0;
  transition: opacity 0.4s;
}
.project-card:hover::after { opacity: 1; }
.project-card:hover {
  border-color: rgba(255,107,53,0.4);
  box-shadow:   0 0 0 1px rgba(255,107,53,0.08),
                0 8px 40px rgba(255,107,53,0.12),
                0 32px 64px rgba(0,0,0,0.3);
}
.perf-lite .project-card,
.perf-lite .project-card:hover {
  transform: none;
  box-shadow: none;
}
.perf-lite .project-card::after { display: none; }
.project-card-top {
  display:     flex;
  align-items: flex-start;
  justify-content: space-between;
  gap:         var(--sp-3);
}
.project-icon-wrap {
  width:         44px;
  height:        44px;
  border-radius: var(--r);
  background:    rgba(255,107,53,0.08);
  border:        1px solid rgba(255,107,53,0.15);
  display:       flex;
  align-items:   center;
  justify-content: center;
  font-size:     1.3rem;
  flex-shrink:   0;
}
.project-links {
  display: flex;
  gap:     var(--sp-2);
}
.project-icon-btn {
  width:         32px;
  height:        32px;
  border-radius: var(--r-sm);
  background:    var(--surface-2);
  border:        1px solid var(--border-2);
  display:       flex;
  align-items:   center;
  justify-content: center;
  transition:    all 0.2s;
  color:         var(--text-muted);
  font-size:     0.85rem;
  text-decoration: none !important;
}
.project-icon-btn:hover {
  border-color: var(--coral);
  color:        var(--coral);
  background:   rgba(255,107,53,0.08);
}
.project-name {
  font-family:  var(--font-display);
  font-size:    1.05rem;
  font-weight:  700;
  color:        var(--text);
  line-height:  1.3;
}
.project-desc {
  font-size:  0.88rem;
  color:      var(--text-muted);
  line-height: 1.65;
  flex:        1;
}
.project-tags {
  display:   flex;
  flex-wrap: wrap;
  gap:       var(--sp-2);
  margin-top: auto;
}

/* Featured project card */
.project-card.featured {
  grid-column: 1 / -1;
  display:     grid;
  grid-template-columns: 1fr 1fr;
  gap:         var(--sp-8);
  padding:     var(--sp-8);
  border-color: rgba(255,107,53,0.2);
  background:  linear-gradient(135deg, rgba(255,107,53,0.04) 0%, rgba(123,47,190,0.04) 100%);
}
.project-card.featured .project-main { display: flex; flex-direction: column; gap: var(--sp-4); }
.project-card.featured .project-preview {
  border-radius: var(--r);
  background:    var(--surface-3);
  border:        1px solid var(--border-2);
  overflow:      hidden;
  display:       flex;
  align-items:   center;
  justify-content: center;
  min-height:    180px;
  padding:       var(--sp-6);
}
.project-preview-inner {
  font-family:  var(--font-mono);
  font-size:    0.8rem;
  color:        var(--text-muted);
  line-height:  1.8;
}
.project-preview-inner .keyword { color: var(--coral); }
.project-preview-inner .string  { color: var(--emerald); }
.project-preview-inner .comment { color: var(--text-faint); }

/* ─── Skills Page ─────────────────────────────────────────────── */
.skills {
  padding: var(--sp-24) 0;
  content-visibility: auto;
  contain-intrinsic-size: 0 800px;
}
.skills-grid {
  display:               grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap:                   var(--sp-5);
}
.skill-group {
  padding:     var(--sp-6);
  border-radius: var(--r-lg);
  background:  var(--surface);
  border:      1px solid var(--border);
  transition:  border-color 0.25s, transform 0.25s;
}
.skill-group:hover {
  border-color: rgba(255,107,53,0.3);
  transform:   translateY(-3px);
}
.skill-group-header {
  display:       flex;
  align-items:   center;
  gap:           var(--sp-3);
  margin-bottom: var(--sp-5);
}
.skill-group-icon {
  width:           36px;
  height:          36px;
  border-radius:   var(--r-sm);
  background:      rgba(255,107,53,0.1);
  border:          1px solid rgba(255,107,53,0.2);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       1rem;
}
.skill-group-icon.green-icon  { background: rgba(16,185,129,0.1);  border-color: rgba(16,185,129,0.2); }
.skill-group-icon.purple-icon { background: rgba(123,47,190,0.1); border-color: rgba(123,47,190,0.2); }
.skill-group-icon.amber-icon  { background: rgba(251,191,36,0.1); border-color: rgba(251,191,36,0.2); }
.skill-group-title {
  font-family:  var(--font-display);
  font-size:    0.85rem;
  font-weight:  600;
  color:        var(--text);
  letter-spacing: 0.01em;
}
.skill-chips {
  display:   flex;
  flex-wrap: wrap;
  gap:       var(--sp-2);
}
.skill-chip {
  padding:     0.3rem 0.75rem;
  border-radius: var(--r-sm);
  background:  rgba(255,255,255,0.04);
  border:      1px solid var(--border-2);
  font-family: var(--font-mono);
  font-size:   0.8rem;
  color:       var(--text-muted);
  transition:  all 0.2s var(--ease-out);
}
.skill-chip:hover {
  border-color: var(--coral);
  color:        var(--coral);
  background:   rgba(255,107,53,0.06);
  transform:    translateY(-1px);
}

/* Proficiency bars */
.proficiency-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-top: var(--sp-10);
}
.proficiency-item { }
.proficiency-header {
  display:       flex;
  justify-content: space-between;
  align-items:   center;
  margin-bottom: var(--sp-2);
}
.proficiency-name {
  font-family: var(--font-display);
  font-size:   0.88rem;
  font-weight: 600;
  color:       var(--text);
}
.proficiency-pct {
  font-family: var(--font-mono);
  font-size:   0.78rem;
  color:       var(--text-muted);
}
.proficiency-track {
  height:      6px;
  background:  var(--surface-3);
  border-radius: var(--r-full);
  overflow:    hidden;
}
.proficiency-fill {
  height:        100%;
  border-radius: var(--r-full);
  background:    var(--grad-brand);
  transform-origin: left;
  transform:     scaleX(0);
  transition:    transform 1.2s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.proficiency-fill.animated,
.proficiency-item.visible .proficiency-fill { transform: scaleX(1); }
.proficiency-fill.green { background: var(--grad-cool); }
.proficiency-fill.amber { background: var(--grad-warm); }

/* Tool badges */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}
.tool-badge {
  display:     flex;
  align-items: center;
  gap:         var(--sp-3);
  padding:     var(--sp-3) var(--sp-4);
  border-radius: var(--r);
  background:  var(--surface);
  border:      1px solid var(--border);
  transition:  all 0.2s;
  cursor:      default;
}
.tool-badge:hover {
  border-color: rgba(255,107,53,0.4);
  transform:    translateY(-2px);
}
.tool-badge-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}
.tool-badge-name {
  font-family: var(--font-mono);
  font-size:   0.78rem;
  color:       var(--text-muted);
}

/* ─── Contact Page ────────────────────────────────────────────── */
.contact {
  padding: var(--sp-24) 0;
  content-visibility: auto;
  contain-intrinsic-size: 0 700px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap:     var(--sp-12);
  align-items: start;
}
.contact-info-item {
  display:     flex;
  gap:         var(--sp-4);
  padding:     var(--sp-5);
  border-radius: var(--r-lg);
  background:  var(--surface);
  border:      1px solid var(--border);
  transition:  border-color 0.25s, transform 0.25s;
  text-decoration: none !important;
}
.contact-info-item:hover {
  border-color: rgba(255,107,53,0.4);
  transform:   translateX(4px);
}
.contact-info-icon {
  width:           44px;
  height:          44px;
  border-radius:   var(--r);
  background:      rgba(255,107,53,0.08);
  border:          1px solid rgba(255,107,53,0.15);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       1.2rem;
  flex-shrink:     0;
}
.contact-info-title {
  font-family:   var(--font-display);
  font-size:     0.85rem;
  font-weight:   500;
  color:         var(--text-muted);
  margin-bottom: 2px;
}
.contact-info-value {
  font-weight: 600;
  color:       var(--text);
  font-size:   0.95rem;
}

/* Contact form */
.contact-form {
  display:        flex;
  flex-direction: column;
  gap:            var(--sp-5);
}
.form-field {
  position: relative;
}
.form-label {
  display:       block;
  font-family:   var(--font-display);
  font-size:     0.82rem;
  font-weight:   500;
  color:         var(--text-muted);
  margin-bottom: var(--sp-2);
  letter-spacing: 0.03em;
}
.form-input,
.form-textarea {
  width:         100%;
  background:    var(--surface);
  border:        1px solid var(--border-2);
  border-radius: var(--r);
  padding:       0.75rem 1rem;
  color:         var(--text);
  font-family:   var(--font-body);
  font-size:     0.95rem;
  transition:    border-color 0.2s, box-shadow 0.2s;
  outline:       none;
  resize:        none;
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-faint);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--coral);
  box-shadow:   0 0 0 3px rgba(255,107,53,0.1);
}
.form-textarea { min-height: 140px; }

/* ─── Footer ──────────────────────────────────────────────────── */
footer {
  border-top:  1px solid var(--border);
  padding:     var(--sp-8) 0;
}
.footer-inner {
  display:     flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap:   wrap;
  gap:         var(--sp-4);
}
.footer-text {
  font-size: 0.82rem;
  color:     var(--text-faint);
  font-family: var(--font-mono);
}
.footer-links {
  display: flex;
  gap:     var(--sp-4);
}
.footer-links a {
  font-size: 0.82rem;
  color:     var(--text-faint);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--coral); }

/* ─── Page Hero (inner pages) ─────────────────────────────────── */
.page-hero {
  padding:    calc(var(--nav-h) + var(--sp-16)) 0 var(--sp-12);
  position:   relative;
  overflow:   hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-orb {
  width:  320px;
  height: 320px;
  top:    -100px;
  right:  -80px;
}

/* ─── Keyframe Animations ─────────────────────────────────────── */
@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}
@keyframes spin-ring {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes float-y {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-8px); }
}
@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position:  200% center; }
}

/* Shimmer loading skeleton */
.shimmer {
  background: linear-gradient(90deg,
    var(--surface) 25%,
    var(--surface-2) 50%,
    var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content  { grid-template-columns: 1fr; }
  .avatar-outer  { display: none; }
  .about-grid    { grid-template-columns: 1fr; }
  .contact-grid  { grid-template-columns: 1fr; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .project-card.featured { grid-column: auto; grid-template-columns: 1fr; }
  .project-card.featured .project-preview { display: none; }
}
@media (max-width: 640px) {
  :root { --sp-24: 4rem; --sp-20: 3rem; --sp-16: 2.5rem; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero-name { font-size: clamp(2.2rem, 10vw, 3.5rem); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid   { grid-template-columns: 1fr; }
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}