/* ========================================
   VARIABLES & RESET
======================================== */
:root {
  --bg: #080b10;
  --bg-2: #0d1117;
  --bg-3: #131920;
  --surface: #111820;
  --surface-2: #182030;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text: #e8edf5;
  --text-muted: #6e7f96;
  --text-subtle: #3d4f62;
  --accent: #4f8ef7;
  --accent-2: #6c63ff;
  --accent-glow: rgba(79, 142, 247, 0.25);
  --accent-glow-2: rgba(108, 99, 255, 0.2);
  --green: #34d399;
  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --nav-h: 70px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

@media (hover: none) and (pointer: coarse) {
  body { cursor: auto; }
}

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

/* ========================================
   CUSTOM CURSOR
======================================== */
.cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s, opacity 0.2s;
  mix-blend-mode: screen;
}

.cursor-trail {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(79, 142, 247, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease, width 0.25s, height 0.25s, border-color 0.25s;
}

.cursor.hover {
  width: 14px;
  height: 14px;
  background: var(--accent-2);
}

.cursor-trail.hover {
  width: 52px;
  height: 52px;
  border-color: rgba(108, 99, 255, 0.5);
}

/* ========================================
   BACKGROUND ORBS
======================================== */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79, 142, 247, 0.18) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
  animation-duration: 22s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108, 99, 255, 0.15) 0%, transparent 70%);
  bottom: 10%;
  left: -150px;
  animation-delay: -8s;
  animation-duration: 26s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -15s;
  animation-duration: 30s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 30px) scale(0.95); }
  75% { transform: translate(40px, 20px) scale(1.02); }
}

/* ========================================
   NAVBAR
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(8, 11, 16, 0.85);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 11, 16, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 40px rgba(0,0,0,0.4);
}

.nav-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  transition: color var(--transition);
}

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

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
}

.nav-link.active::after {
  width: 20px;
}

.nav-lang-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted) !important;
  letter-spacing: 0.05em;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}

.nav-lang-link:hover {
  border-color: rgba(79, 142, 247, 0.3);
  background: rgba(79, 142, 247, 0.08);
  color: var(--accent) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 600;
  border: none;
  cursor: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}

.btn:hover::before {
  background: rgba(255,255,255,0.06);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow), 0 0 0 1px rgba(79, 142, 247, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow), 0 0 0 1px rgba(79, 142, 247, 0.3);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; border-radius: var(--radius); }

/* ========================================
   CONTAINER & SECTIONS
======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-desc {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
}

/* ========================================
   REVEAL ANIMATIONS
======================================== */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transition-delay: var(--delay, 0s);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ========================================
   GRADIENT TEXT
======================================== */
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 60%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ========================================
   HERO
======================================== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: calc(var(--nav-h) + 3rem) 2rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  color: var(--green);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  width: fit-content;
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { opacity: 0.8; transform: scale(0.95); box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

.hero-title {
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.0;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  min-height: 1.7em;
  display: flex;
  align-items: center;
  gap: 2px;
}

.cursor-blink {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

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

.hero-description {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

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

.stat-number {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-plus { color: var(--accent); font-weight: 800; font-size: 1.5rem; }

.stat-label {
  font-size: 0.8rem;
  color: var(--text-subtle);
  margin-top: 2px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Code Window */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.code-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: transform var(--transition), box-shadow var(--transition);
}

.code-window:hover {
  transform: translateY(-4px) rotateX(2deg);
  box-shadow: 0 32px 100px rgba(0,0,0,0.6), 0 0 40px var(--accent-glow);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 1rem 1.25rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.window-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.window-dot.red { background: #ff5f57; }
.window-dot.yellow { background: #febc2e; }
.window-dot.green { background: #28c840; }

.window-title {
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-subtle);
}

.window-body {
  padding: 1.5rem;
}

.code-block {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.9;
  white-space: pre;
  overflow-x: auto;
}

.code-kw { color: #c792ea; }
.code-var { color: #82aaff; }
.code-op { color: #89ddff; }
.code-str { color: #c3e88d; }
.code-key { color: #f07178; }
.code-fn { color: #82aaff; }

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
  font-family: var(--font-mono);
  animation: fadeInUp 1s ease 1.5s both;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLineAnim 2s ease-in-out infinite;
}

@keyframes scrollLineAnim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translate(-50%, 20px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ========================================
   ABOUT
======================================== */
.about {
  background: linear-gradient(180deg, transparent 0%, rgba(13,17,23,0.5) 50%, transparent 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
}

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

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.tag {
  font-size: 0.8rem;
  padding: 0.35rem 0.875rem;
  background: rgba(79, 142, 247, 0.08);
  border: 1px solid rgba(79, 142, 247, 0.15);
  border-radius: 50px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.about-card:hover {
  border-color: rgba(79, 142, 247, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 0 1px rgba(79, 142, 247, 0.1);
}

.about-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(79, 142, 247, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.about-card h3 {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.about-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ========================================
   PROJECTS
======================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: visible;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: none;
  position: relative;
  transform-style: preserve-3d;
}

.project-card:hover {
  border-color: rgba(79, 142, 247, 0.25);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(79, 142, 247, 0.08);
}

.project-image-wrap {
  position: relative;
  height: 210px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}

.project-card:hover .project-image {
  transform: scale(1.06);
}

.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  transition: transform 0.6s ease;
}

.project-card:hover .project-image-placeholder {
  transform: scale(1.04);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,11,16,0.9) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
}

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

.project-link-overlay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.15);
  transition: background var(--transition);
}

.project-link-overlay:hover { background: rgba(255,255,255,0.2); }

.project-body {
  padding: 1.5rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.875rem;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.project-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition), color var(--transition);
  background: none;
  border: none;
  padding: 0;
  font-family: inherit;
}

.project-btn:hover { gap: 10px; color: #7eb2ff; }

.project-github {
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  transition: color var(--transition);
}

.project-github:hover { color: var(--text-muted); }

/* ========================================
   SKILLS
======================================== */
.skills {
  background: linear-gradient(180deg, transparent 0%, rgba(13,17,23,0.3) 50%, transparent 100%);
}

.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.skills-group-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 1.75rem;
}

.skill-item {
  margin-bottom: 1.5rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.skill-bar {
  height: 6px;
  background: var(--surface-2);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 6px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}

.skill-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 20px;
  background: rgba(255,255,255,0.3);
  filter: blur(4px);
}

.tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 0;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  transition: all var(--transition);
}

.tool-chip:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.experience-timeline {
  padding-top: 0.5rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.timeline-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 20px;
  bottom: -16px;
  width: 1px;
  background: var(--border);
}

.timeline-dot {
  width: 13px;
  height: 13px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.15);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.25rem;
}

.timeline-content h4 {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.timeline-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ========================================
   CONTACT
======================================== */
.contact-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 4rem;
  position: relative;
  overflow: hidden;
}

.contact-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  opacity: 0.5;
}

.contact-header {
  margin-bottom: 3rem;
}

.contact-desc {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 520px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon {
  width: 42px;
  height: 42px;
  background: rgba(79, 142, 247, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-bottom: 3px;
}

.contact-value {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

a.contact-value:hover { color: var(--accent); }

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 142, 247, 0.12);
}

.form-group input.error,
.form-group textarea.error {
  border-color: rgba(255, 80, 80, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 80, 80, 0.08);
}

.field-error {
  font-size: 0.78rem;
  color: #ff6b6b;
  min-height: 1em;
  display: block;
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  margin-top: 0.5rem;
}

.form-success.show { display: flex; }

/* ========================================
   FOOTER
======================================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.footer-logo {
  font-size: 1.125rem;
}

.footer-socials {
  display: flex;
  gap: 0.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-link:hover {
  background: rgba(79, 142, 247, 0.1);
  border-color: rgba(79, 142, 247, 0.3);
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-subtle);
}

.back-to-top {
  width: 38px;
  height: 38px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--nav-h) + 2rem);
    gap: 3rem;
  }

  .hero-badge,
  .hero-description { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-scroll-indicator { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-cards { grid-template-columns: 1fr 1fr; }

  .skills-layout { grid-template-columns: 1fr; gap: 3rem; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-wrapper { padding: 2.5rem; }
}

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

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(8, 11, 16, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .nav-links.open { transform: translateY(0); }

  .nav-link {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .nav-toggle { display: flex; }

  .hero-title { font-size: clamp(2.75rem, 10vw, 4rem); }

  .section { padding: 4rem 0; }

  .about-cards { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .contact-wrapper { padding: 2rem 1.5rem; }

  .footer-top { flex-direction: column; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero-stats { gap: 1rem; }
  .stat-number { font-size: 1.5rem; }
  .code-block { font-size: 0.75rem; }
  .tools-grid { gap: 0.5rem; }
}

/* ========================================
   SCROLLBAR
======================================== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-subtle);
}

/* ========================================
   SELECTION
======================================== */
::selection {
  background: rgba(79, 142, 247, 0.25);
  color: var(--text);
}