/* ======================================================
   Studio505 — Design System
   Dark technical aesthetic · Neon accents · Glassmorphism
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* === TOKENS === */
:root {
  --bg-base:       #060912;
  --bg-surface:    #0d1117;
  --bg-card:       rgba(13, 17, 23, 0.7);
  --bg-card-hover: rgba(20, 27, 40, 0.85);

  --cyan:          #00d4ff;
  --cyan-dim:      rgba(0, 212, 255, 0.12);
  --cyan-glow:     rgba(0, 212, 255, 0.4);
  --purple:        #7c3aed;
  --purple-dim:    rgba(124, 58, 237, 0.12);
  --purple-glow:   rgba(124, 58, 237, 0.4);
  --green:         #10b981;
  --orange:        #f59e0b;

  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --border:        rgba(148, 163, 184, 0.08);
  --border-bright: rgba(0, 212, 255, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--cyan-dim);
  color: var(--cyan);
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--purple); border-radius: 3px; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
code, .mono { font-family: 'JetBrains Mono', monospace; }

.gradient-text {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--cyan);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
}

section {
  padding: 100px 0;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === NOISE OVERLAY === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ==================== NAV ==================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s var(--ease-smooth), box-shadow 0.4s;
  padding: 0 24px;
}

#navbar.scrolled {
  background: rgba(6, 9, 18, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo-bracket {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 0.3s var(--ease-smooth);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan) !important;
  border: 1px solid var(--border-bright);
  padding: 7px 18px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, box-shadow 0.2s !important;
}

.nav-cta:hover {
  background: var(--cyan-dim) !important;
  box-shadow: 0 0 16px var(--cyan-glow);
}

.nav-cta::after { display: none !important; }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ==================== HERO ==================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 24px 80px;
  max-width: 1140px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s var(--ease-smooth) both;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.85); }
}

.hero-name {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  animation: fadeInUp 0.6s 0.1s var(--ease-smooth) both;
}

.hero-role-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  animation: fadeInUp 0.6s 0.2s var(--ease-smooth) both;
  flex-wrap: wrap;
}

.hero-role-prefix {
  font-family: 'JetBrains Mono', monospace;
  color: var(--purple);
}

#typed-text {
  color: var(--text-primary);
  font-weight: 600;
}

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--cyan);
  margin-left: 3px;
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-description {
  margin-top: 24px;
  max-width: 560px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  animation: fadeInUp 0.6s 0.3s var(--ease-smooth) both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
  animation: fadeInUp 0.6s 0.4s var(--ease-smooth) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.3s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #fff;
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-bright);
  background: var(--cyan-dim);
  color: var(--cyan);
  box-shadow: 0 8px 24px var(--cyan-glow);
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.6s 0.5s var(--ease-smooth) both;
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  animation: fadeIn 1s 1.2s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%       { transform: scaleY(0.7); opacity: 0.5; }
}

/* ==================== ABOUT ==================== */
#about {
  position: relative;
  z-index: 1;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-avatar {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--cyan-dim), var(--purple-dim));
  border: 1px solid var(--border-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

.about-avatar::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--cyan), transparent, var(--purple));
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.4;
}

.about-avatar-corner {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--cyan);
  opacity: 0.6;
}
.about-avatar-corner.tl { top: 12px; left: 12px; }
.about-avatar-corner.br { bottom: 12px; right: 12px; }

.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.8rem;
}

.about-badge-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
}

.about-badge-val {
  font-weight: 700;
  color: var(--cyan);
  margin-top: 2px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-text p:last-child { margin-bottom: 0; }

.about-highlight {
  color: var(--text-primary);
  font-weight: 500;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.tag.cyan {
  background: var(--cyan-dim);
  color: var(--cyan);
  border-color: rgba(0, 212, 255, 0.2);
}

/* ==================== PROJECTS ==================== */
#projects {
  position: relative;
  z-index: 1;
}

.projects-header {
  margin-bottom: 56px;
}

.project-featured {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
  overflow: hidden;
}

.project-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.project-featured:hover {
  border-color: var(--border-bright);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 255, 0.06);
}

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

.project-glow {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, var(--cyan-dim) 0%, transparent 70%);
  pointer-events: none;
}

.project-tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.project-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 500;
}

.project-badge.research {
  background: rgba(16, 185, 129, 0.12);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.project-badge.pub {
  background: rgba(245, 158, 11, 0.12);
  color: var(--orange);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.project-badge.featured {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 680px;
  margin-bottom: 28px;
}

.project-metrics {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tech-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.07);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--cyan);
  text-decoration: none;
  padding: 8px 18px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s var(--ease-spring);
}

.project-link:hover {
  background: var(--cyan-dim);
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-1px);
}

.project-link.secondary {
  color: var(--text-secondary);
  border-color: var(--border);
}

.project-link.secondary:hover {
  color: var(--text-primary);
  background: rgba(148, 163, 184, 0.07);
  box-shadow: none;
}

/* Project grid for smaller projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--cyan-dim), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.project-card:hover::after { opacity: 1; }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.card-footer {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ==================== SKILLS ==================== */
#skills {
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.03), transparent);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.skill-group {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.skill-group:hover {
  border-color: var(--border-bright);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.skill-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-group-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--purple-dim);
  border: 1px solid rgba(124, 58, 237, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.skill-group-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.skill-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.skill-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.skill-bar {
  height: 3px;
  background: rgba(148, 163, 184, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 2px;
  width: 0;
  transition: width 1.2s var(--ease-smooth);
  background: linear-gradient(90deg, var(--cyan), var(--purple));
}

/* ==================== CONTACT ==================== */
#contact {
  position: relative;
  z-index: 1;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  transition: border-color 0.3s, background 0.3s, transform 0.2s var(--ease-spring);
}

.contact-link:hover {
  border-color: var(--border-bright);
  background: var(--cyan-dim);
  transform: translateX(6px);
}

.contact-link-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-link-text {
  flex: 1;
}

.contact-link-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.1em;
}

.contact-link-value {
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: 2px;
}

.contact-link-arrow {
  color: var(--text-muted);
  transition: transform 0.2s, color 0.2s;
}

.contact-link:hover .contact-link-arrow {
  color: var(--cyan);
  transform: translateX(4px);
}

/* Contact availability card */
.availability-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 0;
}

.avail-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.avail-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px var(--green);
}

.avail-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.avail-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.avail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==================== FOOTER ==================== */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.footer-social:hover {
  border-color: var(--border-bright);
  color: var(--cyan);
  background: var(--cyan-dim);
}

/* ==================== UTILS ==================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 900px) {
  .about-grid,
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }

  .about-image-wrap {
    display: flex;
    justify-content: center;
  }

  .about-avatar { max-width: 260px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(6, 9, 18, 0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    gap: 16px;
    border-top: 1px solid var(--border);
  }

  .nav-toggle { display: flex; }

  .hero-stats { gap: 24px; }
  .project-featured { padding: 24px; }
  .project-metrics { gap: 16px; padding: 14px 16px; }
  .metric-value { font-size: 1.1rem; }
}

@media (max-width: 480px) {
  .project-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}