/* ═══════════════════════════════════════════════
   VARIABLES
═══════════════════════════════════════════════ */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #111118;
  --bg-tertiary:   #1a1a24;

  --text-primary:  #f0f0f5;
  --text-secondary:#8888aa;
  --text-muted:    #44445a;

  --accent:        #6e54f7;
  --accent-glow:   rgba(110, 84, 247, 0.35);
  --accent-alt:    #3ecfcf;

  --border:        rgba(255, 255, 255, 0.06);
  --border-hover:  rgba(110, 84, 247, 0.45);

  --radius:    16px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --transition: 200ms ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  position: relative;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* ═══════════════════════════════════════════════
   SNAKE SVG
═══════════════════════════════════════════════ */
#snake-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: visible;
}

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 clamp(24px, 6vw, 80px);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

#nav.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.75; }

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--text-primary); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  z-index: 101;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════
   SECTIONS — base
═══════════════════════════════════════════════ */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(80px, 12vw, 140px) clamp(24px, 8vw, 80px);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-inner--narrow {
  max-width: 600px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 48px;
  color: var(--text-primary);
}
.section-title::after {
  content: '.';
  color: var(--accent);
}

.section-subtitle {
  color: var(--text-secondary);
  margin-top: -36px;
  margin-bottom: 48px;
  font-size: 1rem;
}

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: #7d64f8;
  box-shadow: 0 8px 28px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid var(--border-hover);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(110, 84, 247, 0.1);
  transform: translateY(-2px);
}

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

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: clamp(100px, 14vw, 160px) clamp(24px, 8vw, 80px) clamp(80px, 10vw, 120px);
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 1100px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-photo-wrap {
  flex-shrink: 0;
  position: relative;
  width: 300px;
  height: 300px;
}

.hero-photo-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-alt), var(--accent));
  opacity: 0.55;
  filter: blur(2px);
  animation: ring-spin 8s linear infinite;
}

@keyframes ring-spin {
  to { transform: rotate(360deg); }
}

.hero-photo {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.55), 0 0 60px rgba(110, 84, 247, 0.12);
  display: block;
  z-index: 1;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent-alt);
  border: 1px solid rgba(62, 207, 207, 0.28);
  background: rgba(62, 207, 207, 0.07);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}
.hero-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-alt);
  box-shadow: 0 0 8px var(--accent-alt);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

.hero-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 8.5vw, 6.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: 24px;
  background: linear-gradient(140deg, #f0f0f5 0%, #c0c0d0 60%, #8888aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.1rem, 2.5vw, 1.625rem);
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  min-height: 2.2em;
  display: flex;
  align-items: center;
  gap: 3px;
}

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

.cursor {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
  font-weight: 300;
  opacity: 0.9;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-desc {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.75;
  margin-bottom: 44px;
  max-width: 560px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 75% 50%, rgba(110, 84, 247, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 45% 45% at 15% 85%, rgba(62, 207, 207, 0.04) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-bio p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.8;
}
.about-bio p:last-child { margin-bottom: 0; }

.skills-group {
  margin-bottom: 28px;
}
.skills-group:last-child { margin-bottom: 0; }

.skills-group h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skills-tags span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  padding: 5px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.skills-tags span:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* ═══════════════════════════════════════════════
   TIMELINE
═══════════════════════════════════════════════ */
.timeline {
  position: relative;
  padding-left: 36px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent) 0%, transparent 100%);
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -30px;
  top: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
  z-index: 1;
}

.timeline-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.timeline-content:hover {
  border-color: rgba(110, 84, 247, 0.2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.timeline-header h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.timeline-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  white-space: nowrap;
  padding: 4px 12px;
  background: rgba(110, 84, 247, 0.1);
  border-radius: 100px;
  border: 1px solid rgba(110, 84, 247, 0.2);
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.timeline-achievements {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.timeline-achievements li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 18px;
  position: relative;
  line-height: 1.65;
}
.timeline-achievements li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.72rem;
  top: 4px;
}

.timeline-group {
  margin-top: 20px;
}
.timeline-group:first-child { margin-top: 0; }

.timeline-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  opacity: 0.8;
}

/* ═══════════════════════════════════════════════
   FILTER BAR
═══════════════════════════════════════════════ */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.775rem;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(110, 84, 247, 0.1);
}

/* ═══════════════════════════════════════════════
   GITHUB CARDS GRID
═══════════════════════════════════════════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.gh-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
  will-change: transform;
}
.gh-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px var(--accent-glow);
  background: var(--bg-tertiary);
}

.gh-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.gh-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.gh-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.gh-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-secondary);
}
.gh-lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.gh-stat {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.gh-card-links {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}
.gh-link {
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}
.gh-link:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.loading-placeholder,
.error {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  padding: 48px 0;
  grid-column: 1 / -1;
}

.loading-dots::after {
  content: '...';
  animation: dots 1.4s infinite;
}
@keyframes dots {
  0%   { content: '.';   }
  33%  { content: '..';  }
  66%  { content: '...'; }
}

/* ═══════════════════════════════════════════════
   MVP CARDS
═══════════════════════════════════════════════ */
.mvp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.mvp-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  will-change: transform;
}
.mvp-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: 0 24px 48px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.mvp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.mvp-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}
.mvp-badge--live {
  background: rgba(62, 207, 130, 0.1);
  color: #3ecf82;
  border: 1px solid rgba(62, 207, 130, 0.28);
}
.mvp-badge--dev {
  background: rgba(255, 180, 50, 0.1);
  color: #ffb432;
  border: 1px solid rgba(255, 180, 50, 0.28);
}
.mvp-badge--archived {
  background: rgba(136, 136, 170, 0.1);
  color: #8888aa;
  border: 1px solid rgba(136, 136, 170, 0.28);
}

.mvp-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mvp-stack span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  padding: 3px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

.mvp-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.mvp-problem {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.mvp-problem strong {
  color: var(--text-muted);
  font-weight: 500;
}

.mvp-solution {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.mvp-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
.section--contact {
  text-align: center;
}

.contact-title::after { display: none; }

.contact-sub {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 1.0625rem;
  line-height: 1.6;
}

.contact-email {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.125rem, 2.5vw, 1.625rem);
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  transition: color var(--transition);
  margin-bottom: 40px;
}
.contact-email:hover { color: var(--accent); }

.contact-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 72px;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.contact-link:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(110, 84, 247, 0.08);
  transform: translateY(-2px);
}

.footer {
  display: flex;
  justify-content: center;
  gap: 32px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════
   SCROLL ANIMATIONS
═══════════════════════════════════════════════ */
[data-animate] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger for GitHub cards */
.cards-grid .gh-card:nth-child(2) { transition-delay: 70ms; }
.cards-grid .gh-card:nth-child(3) { transition-delay: 140ms; }
.cards-grid .gh-card:nth-child(4) { transition-delay: 210ms; }
.cards-grid .gh-card:nth-child(5) { transition-delay: 280ms; }
.cards-grid .gh-card:nth-child(6) { transition-delay: 350ms; }
.cards-grid .gh-card:nth-child(7) { transition-delay: 420ms; }
.cards-grid .gh-card:nth-child(8) { transition-delay: 490ms; }
.cards-grid .gh-card:nth-child(9) { transition-delay: 560ms; }

/* Stagger for MVP cards */
.mvp-grid .mvp-card:nth-child(2) { transition-delay: 120ms; }
.mvp-grid .mvp-card:nth-child(3) { transition-delay: 240ms; }

/* ═══════════════════════════════════════════════
   HERO STATS
═══════════════════════════════════════════════ */
.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero-stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════
   SCROLL ARROW
═══════════════════════════════════════════════ */
.scroll-arrow {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: color var(--transition), border-color var(--transition), opacity 400ms ease, transform var(--transition);
  z-index: 2;
  animation: arrow-bounce 2.2s ease-in-out infinite;
}
.scroll-arrow:hover {
  color: var(--accent);
  border-color: var(--border-hover);
}
.scroll-arrow.hidden {
  opacity: 0;
  pointer-events: none;
}

@keyframes arrow-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ═══════════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  will-change: transform;
}
.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35), 0 0 24px var(--accent-glow);
}

.service-icon-tag {
  display: inline-flex;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(110, 84, 247, 0.1);
  border: 1px solid rgba(110, 84, 247, 0.25);
  border-radius: var(--radius-xs);
  padding: 4px 10px;
  width: fit-content;
}

.service-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.service-for {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.02em;
}
.service-for::before {
  content: 'Для: ';
  color: var(--accent-alt);
  opacity: 0.7;
}

/* ═══════════════════════════════════════════════
   TIMELINE — visual separators between groups
═══════════════════════════════════════════════ */
.timeline-group + .timeline-group {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 18px;
}

/* ═══════════════════════════════════════════════
   CONTACT — resume button
═══════════════════════════════════════════════ */
.contact-resume {
  margin-bottom: 40px;
  padding: 16px 40px;
  font-size: 1rem;
}

/* Services stagger */
.services-grid .service-card:nth-child(2) { transition-delay: 80ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 160ms; }
.services-grid .service-card:nth-child(4) { transition-delay: 240ms; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  /* Mobile nav */
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 40px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    font-size: 1.5rem;
    color: var(--text-primary);
  }
  .nav-burger { display: flex; }

  /* Hero */
  .hero-inner { flex-direction: column-reverse; gap: 40px; text-align: left; }
  .hero-photo-wrap { width: 200px; height: 200px; }
  .hero-photo { width: 200px; height: 200px; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 24px; margin-top: 32px; }
  .scroll-arrow { display: none; }

  /* Timeline */
  .timeline-header { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }

  /* MVP grid */
  .mvp-grid { grid-template-columns: 1fr; }

  /* Cards grid */
  .cards-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.75rem; }
  .section { padding-left: 20px; padding-right: 20px; }
  #nav { padding-left: 20px; padding-right: 20px; }
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-animate] {
    opacity: 1;
    transform: none;
  }
  #snake-path {
    stroke-dashoffset: 0 !important;
  }
  html { scroll-behavior: auto; }
}