/* ============================================================
   DESIGN SYSTEM — Anthoni da Luz Portfolio
   ============================================================ */
:root {
  /* Colors */
  --bg-0: #07090F;
  --bg-1: #0A0F1E;
  --bg-2: #0D1526;
  --bg-3: #111B31;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(0, 212, 255, 0.04);

  --accent: #00D4FF;
  --accent-2: #0057FF;
  --accent-soft: rgba(0, 212, 255, 0.12);
  --accent-glow: rgba(0, 212, 255, 0.18);

  --text-0: #FFFFFF;
  --text-1: #D4DEF0;
  --text-2: #8B9EC7;
  --text-3: #5A6B8C;

  --border-1: rgba(255, 255, 255, 0.06);
  --border-2: rgba(255, 255, 255, 0.10);
  --border-accent: rgba(0, 212, 255, 0.28);

  /* Typography */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --s-1: 4px;  --s-2: 8px;   --s-3: 12px; --s-4: 16px;
  --s-5: 24px; --s-6: 32px;  --s-7: 48px; --s-8: 64px;
  --s-9: 96px; --s-10: 128px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-glow-strong: 0 16px 48px rgba(0, 212, 255, 0.22), 0 0 0 1px rgba(0, 212, 255, 0.15);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.2s var(--ease);
  --t-base: 0.35s var(--ease);
  --t-slow: 0.6s var(--ease-out);

  /* Layout */
  --nav-h: 72px;
  --container: 1200px;
}

/* ============================================================
   LIGHT MODE — overrides via [data-theme="light"] on <html>
   ============================================================ */

/* Smooth theme transition */
html { transition: background-color 0.3s var(--ease), color 0.3s var(--ease); }

[data-theme="light"] {
  /* Backgrounds — warm paper-white palette */
  --bg-0: #ECF0FA;
  --bg-1: #F7F9FF;
  --bg-2: #EDF1FB;
  --bg-3: #E1E8F6;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(0, 87, 255, 0.04);

  /* Accent — shift to deeper blue for light bg readability */
  --accent: #0057FF;
  --accent-2: #003ED6;
  --accent-soft: rgba(0, 87, 255, 0.08);
  --accent-glow: rgba(0, 87, 255, 0.14);

  /* Typography */
  --text-0: #0B1120;
  --text-1: #1C2D4E;
  --text-2: #4A5D82;
  --text-3: #8A9EC4;

  /* Borders */
  --border-1: rgba(0, 30, 80, 0.07);
  --border-2: rgba(0, 30, 80, 0.12);
  --border-accent: rgba(0, 87, 255, 0.28);

  /* Shadows — real depth, not glow */
  --shadow-sm: 0 1px 4px rgba(0, 20, 60, 0.07), 0 2px 8px rgba(0, 20, 60, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 20, 60, 0.10), 0 8px 24px rgba(0, 20, 60, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 20, 60, 0.14), 0 24px 60px rgba(0, 20, 60, 0.08);
  --shadow-glow: 0 0 32px rgba(0, 87, 255, 0.14);
  --shadow-glow-strong: 0 8px 32px rgba(0, 87, 255, 0.16), 0 0 0 1px rgba(0, 87, 255, 0.14);
}

/* Body & backgrounds */
[data-theme="light"] body {
  background: var(--bg-1);
  color: var(--text-0);
}

[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(0, 30, 80, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 30, 80, 0.055) 1px, transparent 1px);
  opacity: 0.8;
}

[data-theme="light"] body::after {
  background-image:
    radial-gradient(ellipse 700px 500px at 8% 15%, rgba(0, 87, 255, 0.07), transparent),
    radial-gradient(ellipse 500px 400px at 92% 55%, rgba(0, 87, 255, 0.05), transparent),
    radial-gradient(ellipse 400px 300px at 50% 100%, rgba(0, 87, 255, 0.04), transparent);
}

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg-2); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: var(--accent-2); }

/* Selection */
[data-theme="light"] ::selection { background: var(--accent); color: #fff; }

/* ── Navbar ── */
[data-theme="light"] .navbar.scrolled {
  background: rgba(247, 249, 255, 0.86);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 1px 0 var(--border-1), 0 4px 16px rgba(0, 20, 60, 0.06);
}

[data-theme="light"] .nav-links.open {
  background: rgba(247, 249, 255, 0.98);
  border-bottom-color: var(--border-1);
}

/* ── Hero ── */
[data-theme="light"] .hero-image-overlay {
  background:
    linear-gradient(to bottom, transparent 45%, var(--bg-1) 100%),
    linear-gradient(to right,  var(--bg-1) 0%, transparent 18%),
    linear-gradient(to left,   var(--bg-1) 0%, transparent 18%);
}

[data-theme="light"] .hero-image-glow {
  background: radial-gradient(circle, rgba(0, 87, 255, 0.18) 0%, transparent 70%);
}

[data-theme="light"] .hero-photo {
  filter: contrast(1.02) brightness(1.0) saturate(1.0);
  mix-blend-mode: normal;
}

[data-theme="light"] .hero-badge {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--border-2);
  color: var(--text-1);
}

[data-theme="light"] .floating-code {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--border-2);
  box-shadow: var(--shadow-sm);
  color: var(--text-0);
}

[data-theme="light"] .code-keyword  { color: #7B2FBE; }
[data-theme="light"] .code-string   { color: #2E7D32; }
[data-theme="light"] .code-type     { color: #0057FF; }
[data-theme="light"] .code-name     { color: #B45309; }
[data-theme="light"] .code-comment  { color: var(--text-3); }

[data-theme="light"] .floating-badge {
  box-shadow: 0 4px 16px rgba(0, 87, 255, 0.28);
}

/* ── Sections ── */
[data-theme="light"] .section-dark {
  background: var(--bg-2);
  box-shadow: inset 0 1px 0 var(--border-1), inset 0 -1px 0 var(--border-1);
}

[data-theme="light"] .section-index {
  background: rgba(0, 87, 255, 0.07);
  border-color: rgba(0, 87, 255, 0.22);
}

/* ── Cards ── */
[data-theme="light"] .skill-card,
[data-theme="light"] .project-card,
[data-theme="light"] .contact-item,
[data-theme="light"] .contact-form,
[data-theme="light"] .about-stats-row {
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  border-color: var(--border-2);
}

[data-theme="light"] .skill-card:hover,
[data-theme="light"] .project-card:hover {
  background: #fff;
  box-shadow: var(--shadow-glow-strong);
}

[data-theme="light"] .project-card::after {
  color: rgba(0, 30, 80, 0.04);
}
[data-theme="light"] .project-card:hover::after {
  color: rgba(0, 87, 255, 0.05);
}

[data-theme="light"] .project-card--featured {
  background: linear-gradient(135deg, rgba(0,87,255,0.05) 0%, rgba(0,87,255,0.02) 100%);
  border-color: rgba(0, 87, 255, 0.18);
}

[data-theme="light"] .skill-bar {
  background: rgba(0, 30, 80, 0.08);
}

[data-theme="light"] .skill-card--soft {
  background: linear-gradient(135deg, rgba(138,43,226,0.06) 0%, rgba(0,87,255,0.02) 100%);
  border-color: rgba(138,43,226,0.16);
  box-shadow: var(--shadow-sm);
}

/* ── Experience ── */
[data-theme="light"] .exp-logo {
  background: #fff;
  border-color: var(--border-2);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .exp-card {
  border-bottom-color: var(--border-1);
}

/* ── About ── */
[data-theme="light"] .about-photo-badge {
  background: rgba(255, 255, 255, 0.90);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .about-photo-frame {
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-1);
}

[data-theme="light"] .about-photo-img {
  filter: brightness(1.0) contrast(1.02);
}

/* ── Form ── */
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
  background: #fff;
  border-color: var(--border-2);
  color: var(--text-0);
}

[data-theme="light"] .form-group input::placeholder,
[data-theme="light"] .form-group textarea::placeholder {
  color: var(--text-3);
}

[data-theme="light"] .form-group input:focus,
[data-theme="light"] .form-group textarea:focus {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.12);
}

[data-theme="light"] .form-group label {
  color: var(--text-1);
}

/* ── Footer ── */
[data-theme="light"] .footer {
  background: var(--bg-0);
  border-top-color: var(--border-1);
}

/* ── Theme toggle button ── */
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  cursor: none;
  transition: color var(--t-base), border-color var(--t-base),
              background var(--t-base), box-shadow var(--t-base),
              transform 0.2s var(--ease);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
  transform: rotate(15deg) scale(1.08);
}

.theme-toggle svg {
  position: absolute;
  transition: opacity 0.25s var(--ease), transform 0.4s var(--ease-out);
}

/* dark mode → show moon, hide sun */
.theme-toggle .icon-sun  { opacity: 0; transform: rotate(-90deg) scale(0.6); }
.theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* light mode → show sun, hide moon */
[data-theme="light"] .theme-toggle .icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(90deg) scale(0.6); }

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Smooth colour transitions when theme switches */
body, .navbar, .section, .section-dark, .footer,
.skill-card, .project-card, .exp-card, .exp-logo,
.contact-item, .contact-form, .about-stats-row,
.form-group input, .form-group textarea,
.social-link, .nav-link, .tag, .btn-outline {
  transition-property: background, background-color, border-color, color, box-shadow;
  transition-duration: 0.35s;
  transition-timing-function: var(--ease);
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-2);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-1);
  color: var(--text-0);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Background grid pattern — subtle global texture that connects all sections */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(139, 158, 199, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 158, 199, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at top, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at top, black 40%, transparent 75%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* Ambient glow orbs in background */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(ellipse 600px 400px at 10% 20%, rgba(0, 87, 255, 0.08), transparent),
    radial-gradient(ellipse 500px 500px at 90% 60%, rgba(0, 212, 255, 0.06), transparent),
    radial-gradient(ellipse 400px 300px at 50% 100%, rgba(0, 87, 255, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

main, section, footer, nav { position: relative; z-index: 1; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* Selection */
::selection { background: var(--accent); color: var(--bg-0); }

/* ============================================================
   UTILITY — Gradient text
   ============================================================ */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent { color: var(--accent); }

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.12s, opacity 0.3s;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
}

.cursor-follower {
  width: 32px; height: 32px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
  transition: transform 0.15s ease, opacity 0.3s;
  transform: translate(-50%, -50%);
}

/* ============================================================
   NAVBAR — Minimalist with refined active state
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--t-base), box-shadow var(--t-base);
}

.navbar.scrolled {
  background: rgba(10, 15, 30, 0.72);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow: 0 1px 0 var(--border-1);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-5);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.3px;
  transition: opacity var(--t-fast);
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo:hover .brand-mark { transform: scale(1.08) translateY(-1px); filter: drop-shadow(0 4px 12px rgba(0, 212, 255, 0.4)); }

.brand-mark {
  transition: transform 0.4s var(--ease-out), filter 0.4s var(--ease-out);
}

.logo-text { color: var(--text-0); }
.logo-text .accent {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--s-7);
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  transition: color var(--t-fast);
  padding: 6px 0;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: 2px;
  transition: all var(--t-base);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active { color: var(--text-0); }
.nav-link:hover::before,
.nav-link.active::before { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-0);
  border-radius: 2px;
  transition: var(--t-base);
}

/* ============================================================
   BUTTONS (unified)
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 26px;
  border-radius: var(--r-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: none;
  transition: all var(--t-base);
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  letter-spacing: -0.1px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 87, 255, 0.3);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--t-base);
}
.btn-primary > * { position: relative; z-index: 1; }

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 212, 255, 0.4);
}
.btn-primary:hover::after { opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--text-0);
  border: 1.5px solid var(--border-2);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  background: var(--accent-soft);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-5);
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: var(--s-8);
  min-height: calc(100vh - var(--nav-h));
  padding-top: 40px;
  padding-bottom: 80px;
}

/* Hero Text */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-full);
  padding: 7px 16px;
  font-size: 0.78rem;
  color: var(--text-1);
  margin-bottom: var(--s-5);
  backdrop-filter: blur(10px);
  animation: fadeSlideDown 0.8s var(--ease) both;
}

.badge-dot {
  width: 7px; height: 7px;
  background: #00FF88;
  border-radius: 50%;
  box-shadow: 0 0 10px #00FF88;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(3rem, 6.4vw, 5.8rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -3px;
  margin-bottom: var(--s-5);
  animation: fadeSlideDown 0.9s 0.1s var(--ease) both;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-family: var(--font-mono);
  color: var(--text-2);
  margin-bottom: var(--s-5);
  min-height: 2rem;
  animation: fadeSlideDown 0.9s 0.2s var(--ease) both;
}

.typewriter-prefix { color: var(--text-2); }
.typewriter { color: var(--accent); font-weight: 500; }
.typewriter-cursor {
  color: var(--accent);
  animation: blink 1s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-description {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: var(--s-7);
  animation: fadeSlideDown 0.9s 0.3s var(--ease) both;
}

.hero-cta {
  display: flex;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-7);
  animation: fadeSlideDown 0.9s 0.4s var(--ease) both;
}

.hero-socials {
  display: flex;
  gap: var(--s-3);
  animation: fadeSlideDown 0.9s 0.5s var(--ease) both;
}

.social-link {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all var(--t-base);
  backdrop-filter: blur(10px);
}

.social-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Hero Image */
.hero-image-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 600px;
  animation: fadeSlideUp 1s 0.3s var(--ease-out) both;
}

.hero-image-glow {
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 87, 255, 0.3) 0%, transparent 70%);
  filter: blur(50px);
  animation: float-glow 7s ease-in-out infinite;
}

@keyframes float-glow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.08); }
}

.hero-image-wrapper {
  position: relative;
  width: 440px;
  height: 540px;
  border-radius: var(--r-xl);
  overflow: hidden;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.05) brightness(0.92) saturate(0.9);
  mix-blend-mode: luminosity;
}

.hero-image-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, transparent 40%, var(--bg-1) 100%),
    linear-gradient(to right, var(--bg-1) 0%, transparent 20%),
    linear-gradient(to left, var(--bg-1) 0%, transparent 20%),
    linear-gradient(135deg, rgba(0, 87, 255, 0.15) 0%, rgba(0, 212, 255, 0.05) 100%);
}

/* Floating code snippets */
.floating-code {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 8px 14px;
  border-radius: var(--r-md);
  background: rgba(13, 21, 38, 0.92);
  border: 1px solid var(--border-2);
  backdrop-filter: blur(10px);
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
  box-shadow: var(--shadow-md);
}

.code-keyword { color: #C792EA; }
.code-string { color: #C3E88D; }
.code-type { color: #82AAFF; }
.code-name { color: #FFCB6B; }
.code-comment { color: #546E7A; }

.fc1 { top: 15%; left: -30px; animation-delay: 0s; }
.fc2 { top: 55%; right: -20px; animation-delay: 1.5s; }
.fc3 { bottom: 20%; left: 0; animation-delay: 0.8s; }

.floating-badge {
  position: absolute;
  padding: 7px 14px;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  animation: float 5s ease-in-out infinite;
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.35);
}

.fb1 { top: 8%; right: 10%; animation-delay: 0.3s; }
.fb2 { top: 50%; left: -40px; animation-delay: 1.8s; }
.fb3 { bottom: 28%; right: -10px; animation-delay: 1s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1.5deg); }
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  color: var(--text-3);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: fadeIn 1s 1.2s ease both;
}

.scroll-indicator {
  width: 22px; height: 36px;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-full);
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-dot {
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: var(--r-full);
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: 0; }
}

/* ============================================================
   SECTIONS — unified rhythm
   ============================================================ */
.section {
  padding: var(--s-10) 0;
  position: relative;
}

/* Subtle ornamental line on the right edge — visual thread through sections */
.section::after {
  content: '';
  position: absolute;
  right: 32px;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-1), transparent);
  pointer-events: none;
}

.section-dark {
  background: var(--bg-2);
  box-shadow: inset 0 1px 0 var(--border-1), inset 0 -1px 0 var(--border-1);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-5);
  position: relative;
}

/* Section header — elegant & unified */
.section-header {
  text-align: center;
  margin-bottom: var(--s-9);
  position: relative;
}

.section-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: var(--s-4);
  padding: 4px 12px;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-full);
  position: relative;
}

.section-index::before {
  content: '— ';
  color: var(--accent);
  opacity: 0.7;
}

.section-tag {
  display: block;
  font-size: 0.82rem;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 500;
  margin-bottom: var(--s-3);
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
}

.section-line {
  width: 48px; height: 2px;
  margin: var(--s-4) auto 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: var(--r-full);
  position: relative;
  overflow: hidden;
}

.section-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shimmer 2.5s infinite;
}

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

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: var(--s-9);
  align-items: center;
}

.about-photo-col { position: relative; }

.about-photo-frame {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-1);
  transition: transform var(--t-slow), box-shadow var(--t-slow);
}

.about-photo-frame::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--r-xl) + 2px);
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-2), transparent 40%, transparent 60%, var(--accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
  z-index: 2;
}

.about-photo-frame:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border-accent), 0 24px 60px rgba(0, 212, 255, 0.15);
}

.about-photo-img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.92) contrast(1.04);
  transition: transform 0.7s var(--ease-out), filter 0.7s var(--ease-out);
}

.about-photo-frame:hover .about-photo-img {
  transform: scale(1.04);
  filter: brightness(0.98) contrast(1.07);
}

.about-photo-border-anim {
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  background: linear-gradient(
    135deg,
    rgba(0, 87, 255, 0.2) 0%,
    transparent 35%,
    transparent 65%,
    rgba(0, 229, 255, 0.15) 100%
  );
  pointer-events: none;
}

.about-photo-badge {
  position: absolute;
  bottom: var(--s-5);
  left: var(--s-5);
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  background: rgba(10, 15, 30, 0.82);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-accent);
  border-radius: var(--r-full);
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.3px;
  z-index: 3;
}

.about-text-col {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}

.about-intro {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-0);
  line-height: 1.5;
  margin-bottom: var(--s-3);
  letter-spacing: -0.3px;
}

.about-text-col p {
  color: var(--text-2);
  line-height: 1.8;
  font-size: 0.97rem;
  margin-bottom: var(--s-3);
}

.about-text-col strong { color: var(--text-0); font-weight: 600; }

.about-stats-row {
  display: flex;
  align-items: center;
  padding: var(--s-6) var(--s-6);
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.about-stats-row::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

.about-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
}

.about-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.about-stat-label {
  font-size: 0.74rem;
  color: var(--text-2);
  text-align: center;
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.about-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-2);
  flex-shrink: 0;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

/* Tags (shared) */
.tag {
  padding: 6px 14px;
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  color: var(--text-2);
  transition: all var(--t-base);
  letter-spacing: 0.2px;
}

.tag:hover, .tag-accent {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* ============================================================
   CARD BASE — unified across Skills, Projects, Contact
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--t-base);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow-strong);
}

.card:hover::before { opacity: 1; }

/* ============================================================
   SKILLS
   ============================================================ */

/* group wrapper */
.skills-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  margin-bottom: var(--s-8);
}

.skills-group:last-child { margin-bottom: 0; }

.skills-group-header {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.skills-group-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  white-space: nowrap;
  padding: 4px 14px;
  border: 1px solid var(--border-accent);
  border-radius: var(--r-full);
  background: rgba(0,212,255,0.06);
}

.skills-group-tag--soft {
  color: #a855f7;
  border-color: rgba(168,85,247,0.35);
  background: rgba(168,85,247,0.07);
}

.skills-group-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}

/* grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}

.skills-grid--soft {
  grid-template-columns: repeat(3, 1fr);
}

/* ── hard skill card ── */
.skill-card {
  padding: var(--s-5);
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  transition: transform 0.3s cubic-bezier(.22,.68,0,1.2),
              border-color 0.3s, background 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: 0 16px 48px rgba(0,212,255,0.09), 0 4px 16px rgba(0,0,0,0.35);
}

.skill-card:hover::before { opacity: 1; }

/* horizontal inner layout */
.skill-card-inner {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.skill-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(0,87,255,0.1), rgba(0,212,255,0.06));
  border: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(.22,.68,0,1.4), border-color 0.3s, box-shadow 0.3s;
}

.skill-card:hover .skill-icon {
  border-color: var(--border-accent);
  transform: scale(1.08) rotate(-5deg);
  box-shadow: 0 0 16px rgba(0,212,255,0.2);
}

.skill-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-name-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-0);
  letter-spacing: -0.2px;
}

.skill-pct {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  opacity: 0;
  transform: translateX(4px);
  transition: opacity 0.25s, transform 0.25s;
}

.skill-card:hover .skill-pct {
  opacity: 1;
  transform: translateX(0);
}

.skill-bar {
  height: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--r-full);
  overflow: hidden;
  position: relative;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: var(--r-full);
  transition: width 1.2s var(--ease-out);
  position: relative;
}

.skill-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  background: rgba(255,255,255,0.35);
  filter: blur(4px);
  border-radius: var(--r-full);
}

.skill-level {
  font-size: 0.68rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── soft skill card ── */
.skill-card--soft {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--s-3);
  padding: var(--s-6) var(--s-5);
  background: linear-gradient(135deg, rgba(138,43,226,0.07) 0%, rgba(0,212,255,0.02) 100%);
  border-color: rgba(138,43,226,0.2);
}

.skill-card--soft::before {
  background: linear-gradient(90deg, #8a2be2, #a855f7, var(--accent));
}

.skill-card--soft:hover {
  border-color: rgba(168,85,247,0.45);
  box-shadow: 0 16px 48px rgba(138,43,226,0.12), 0 4px 16px rgba(0,0,0,0.35);
}

.skill-soft-icon-wrap {
  position: relative;
  width: 68px; height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-soft-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(168,85,247,0.25);
  transition: transform 0.4s, border-color 0.3s;
}

.skill-card--soft:hover .skill-soft-ring {
  transform: scale(1.15);
  border-color: rgba(168,85,247,0.6);
}

.skill-icon--soft {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(138,43,226,0.18), rgba(168,85,247,0.08));
  border: 1px solid rgba(168,85,247,0.3);
  color: #a855f7;
  transition: transform 0.3s cubic-bezier(.22,.68,0,1.4), box-shadow 0.3s;
}

.skill-card--soft:hover .skill-icon--soft {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(168,85,247,0.35);
}

.skill-soft-desc {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
}

.skill-level--soft {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #a855f7;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.22);
  border-radius: 20px;
  padding: 3px 12px;
}

.skill-level--soft::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: #a855f7;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
}

/* ── base card ── */
.project-card {
  padding: var(--s-7);
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  transition: transform 0.35s cubic-bezier(.22,.68,0,1.2),
              border-color 0.3s, background 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

/* watermark number */
.project-card::after {
  content: attr(data-index);
  position: absolute;
  bottom: -0.15em; right: 0.15em;
  font-size: 8rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(255,255,255,0.025);
  pointer-events: none;
  user-select: none;
  font-family: var(--font-sans);
  transition: color 0.35s;
}

/* top accent bar */
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent), var(--accent-2));
  background-size: 200% 100%;
  opacity: 0.25;
  transition: opacity 0.35s, background-position 0.6s;
}

.project-card:hover {
  transform: translateY(-10px) scale(1.012);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 60px rgba(0,212,255,0.10), 0 4px 20px rgba(0,0,0,0.4);
}

.project-card:hover::before {
  opacity: 1;
  background-position: 100% 0;
}

.project-card:hover::after {
  color: rgba(0,212,255,0.06);
}

/* ── featured card (spans full width) ── */
.project-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
  gap: var(--s-8);
  padding: var(--s-8);
  background: linear-gradient(135deg, rgba(0,87,255,0.06) 0%, rgba(0,212,255,0.03) 100%);
  border-color: rgba(0,212,255,0.18);
}

.project-card--featured::before {
  opacity: 0.5;
  height: 3px;
}

.project-card--featured:hover::before { opacity: 1; }

.project-featured-main {
  flex: 1.3;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}

.project-featured-aside {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding-left: var(--s-7);
  border-left: 1px solid var(--border-1);
}

.project-features-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-3);
  margin-bottom: var(--s-1);
}

.project-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.5;
}

.project-feature-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── card header ── */
.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-header-left {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.project-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(0, 87, 255, 0.15), rgba(0, 212, 255, 0.08));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform 0.35s cubic-bezier(.22,.68,0,1.4), box-shadow 0.3s;
  flex-shrink: 0;
}

.project-card:hover .project-icon {
  transform: scale(1.1) rotate(-6deg);
  box-shadow: 0 0 20px rgba(0,212,255,0.25);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 20px;
  padding: 3px 10px;
}

.project-badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.project-links {
  display: flex;
  gap: var(--s-2);
}

.project-link {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all var(--t-fast);
}

.project-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
  transform: translateY(-2px) scale(1.05);
}

/* ── text ── */
.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.4px;
}

.project-card--featured .project-title {
  font-size: 1.55rem;
  letter-spacing: -0.6px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.8;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ── stagger reveal ── */
.project-card:nth-child(1) { transition-delay: 0.05s; }
.project-card:nth-child(2) { transition-delay: 0.12s; }
.project-card:nth-child(3) { transition-delay: 0.19s; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--s-8);
  align-items: start;
}

.contact-text {
  font-size: 1.05rem;
  color: var(--text-1);
  line-height: 1.75;
  margin-bottom: var(--s-6);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  color: var(--text-2);
  font-size: 0.9rem;
  transition: all var(--t-base);
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-md);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
}

.contact-item:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
  transform: translateX(8px);
  box-shadow: var(--shadow-glow);
}

.contact-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  padding: var(--s-6);
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(10px);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-1);
  letter-spacing: 0.2px;
}

.form-group input,
.form-group textarea {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 14px 16px;
  color: var(--text-0);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  outline: none;
  transition: all var(--t-base);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-3);
}

/* ============================================================
   FOOTER — refined with 3-column grid
   ============================================================ */
.footer {
  background: var(--bg-0);
  border-top: 1px solid var(--border-1);
  padding: var(--s-8) 0 var(--s-5);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 240px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--s-7);
  padding-bottom: var(--s-6);
  margin-bottom: var(--s-5);
  border-bottom: 1px solid var(--border-1);
}

.footer-brand { max-width: 320px; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: var(--s-3);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-2);
  line-height: 1.6;
}

.footer-nav,
.footer-social {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.footer-heading {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-1);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--s-3);
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--text-2);
  transition: color var(--t-fast);
}

.footer-nav a:hover { color: var(--accent); }

.footer-social-links {
  display: flex;
  gap: var(--s-2);
  margin-top: var(--s-1);
}

.footer-social-links a {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all var(--t-base);
}

.footer-social-links a:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-3);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-built .accent {
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: start;
}
.exp-column {
  display: flex;
  flex-direction: column;
}

.exp-group-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: var(--s-6) 0 var(--s-4);
  padding-left: 4px;
  border-left: 2px solid var(--accent);
  padding-left: var(--s-3);
}
.exp-group-title:first-of-type {
  margin-top: 0;
}

.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 860px;
  margin: 0 auto;
}

.exp-card {
  display: flex;
  gap: var(--s-5);
  padding: var(--s-6) 0;
  border-bottom: 1px solid var(--border-1);
  transition: background var(--t-fast);
}

.exp-card:last-child { border-bottom: none; }

.exp-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.exp-logo {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-2);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.exp-card:hover .exp-logo {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.exp-line {
  width: 1px;
  flex: 1;
  min-height: 24px;
  margin-top: 8px;
  background: linear-gradient(to bottom, var(--border-2), transparent);
}

.exp-card:last-child .exp-line { display: none; }

.exp-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding-top: 4px;
}

.exp-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-3);
}

.exp-role {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: -0.3px;
  margin-bottom: 2px;
}

.exp-company {
  font-size: 0.88rem;
  color: var(--text-2);
}

.exp-dot { margin: 0 4px; opacity: 0.5; }

.exp-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 3px 10px;
  border-radius: var(--r-full);
  white-space: nowrap;
  flex-shrink: 0;
}

.exp-badge--current {
  color: #22c55e;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
}

.exp-badge--current::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #22c55e;
  animation: pulse-green 1.8s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.exp-period,
.exp-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-3);
}

.exp-period svg, .exp-location svg { flex-shrink: 0; }

/* ============================================================
   CONTACT — improvements
   ============================================================ */
.contact-lead {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.2px;
  margin-bottom: var(--s-2);
}

.contact-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-item-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-3);
}

.contact-item-value {
  font-size: 0.9rem;
  color: var(--text-1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-4);
}

/* ============================================================
   FOOTER — improvements
   ============================================================ */
.footer-location {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: var(--s-2);
}

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--text-2);
  padding: 8px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}

.footer-social-btn:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
}

.footer-social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .section { padding: var(--s-9) 0; }
  .section::after { display: none; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid--soft { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { gap: var(--s-7); }
  .about-grid { grid-template-columns: 380px 1fr; gap: var(--s-7); }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  body { cursor: auto; }
  .cursor, .cursor-follower { display: none; }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 20px;
  }

  .hero-title { letter-spacing: -2px; }
  .hero-description { margin: 0 auto var(--s-6); }
  .hero-cta, .hero-socials { justify-content: center; }

  .hero-image-container {
    order: -1;
    height: 340px;
  }

  .hero-image-wrapper { width: 240px; height: 300px; }
  .hero-image-glow { width: 270px; height: 270px; }

  .fc1, .fc2, .fc3 { font-size: 0.62rem; padding: 6px 10px; }
  .fc1 { left: 0; } .fc2 { right: 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(10, 15, 30, 0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    align-items: center;
    padding: var(--s-6) 0;
    gap: var(--s-5);
    border-bottom: 1px solid var(--border-1);
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; cursor: pointer; }
  .theme-toggle { cursor: pointer; }

  .section { padding: var(--s-8) 0; }
  .section-header { margin-bottom: var(--s-7); }

  .about-grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .about-photo-img { height: 400px; }
  .about-stats-row { padding: var(--s-4) var(--s-3); }
  .about-stat-num { font-size: 1.1rem; }
  .about-stat-label { font-size: 0.65rem; }

  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: var(--s-3); }
  .skills-grid--soft { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card--featured { flex-direction: column; }
  .project-featured-aside { padding-left: 0; border-left: none; border-top: 1px solid var(--border-1); padding-top: var(--s-4); }
  .contact-grid { grid-template-columns: 1fr; gap: var(--s-6); }
  .form-row { grid-template-columns: 1fr; }
  .exp-card { gap: var(--s-3); }
  .exp-columns { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--s-5);
    text-align: center;
  }
  .footer-brand { max-width: none; }
  .footer-logo { justify-content: center; }
  .footer-social-links { justify-content: center; }
  .footer-bottom {
    flex-direction: column;
    gap: var(--s-2);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; letter-spacing: -1.5px; }
  .skills-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}
