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

:root {
  /* Dark Theme (default) */
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: #13131f;
  --bg-card-hover: #1a1a2e;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 245, 212, 0.3);
  --text-primary: #f0f0f8;
  --text-secondary: #8888aa;
  --text-muted: #555577;
  --accent: #00f5d4;
  --accent-dim: rgba(0, 245, 212, 0.12);
  --accent-glow: rgba(0, 245, 212, 0.25);
  --accent-2: #7c3aed;
  --accent-2-dim: rgba(124, 58, 237, 0.15);
  --red: #ff4d6d;
  --yellow: #ffd166;
  --green: #06d6a0;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.6);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

[data-theme="light"] {
  --bg-primary: #f8f8fc;
  --bg-secondary: #f0f0f8;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f5ff;
  --border: rgba(0, 0, 0, 0.07);
  --border-hover: rgba(0, 180, 160, 0.4);
  --text-primary: #0d0d1a;
  --text-secondary: #555577;
  --text-muted: #9999bb;
  --accent: #009e88;
  --accent-dim: rgba(0, 158, 136, 0.1);
  --accent-glow: rgba(0, 158, 136, 0.2);
  --accent-2: #6d28d9;
  --accent-2-dim: rgba(109, 40, 217, 0.1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.12);
}

/* ============================================================
   GLOBAL
============================================================ */
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

::selection {
  background: var(--accent);
  color: #000;
}

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

/* ============================================================
   UTILITY CLASSES
============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   BUTTONS
============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 14px 28px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-primary:hover::after { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 14px 28px;
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 14px 28px;
  border-radius: 8px;
  border: 1.5px solid var(--accent);
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--accent);
  color: #000;
  transform: translateY(-2px);
}

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

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(248, 248, 252, 0.88);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--text-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-resume {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  transition: var(--transition);
}

.btn-resume:hover {
  background: var(--accent);
  color: #000;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 998;
  backdrop-filter: blur(2px);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 245, 212, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  animation: heroFadeIn 0.8s ease forwards;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-visual {
  position: relative;
  z-index: 1;
  margin-left: auto;
  animation: heroFadeIn 1s 0.3s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 245, 212, 0.2);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-wrap {
  display: flex;
  align-items: center;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  height: 2.2em;
}

.hero-typed {
  color: var(--accent);
  font-weight: 600;
}

.cursor-blink {
  color: var(--accent);
  animation: blink 1s infinite;
  font-weight: 300;
}

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

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

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

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat > span:nth-child(2) {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Code Card */
.code-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 340px;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0, 245, 212, 0.04);
  font-family: 'JetBrains Mono', monospace;
}

.code-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.code-filename {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}

.code-body {
  padding: 24px;
  font-size: 0.82rem;
  line-height: 1.8;
  overflow: hidden;
}

.c-kw { color: #c084fc; }
.c-fn { color: #60a5fa; }
.c-key { color: #86efac; }
.c-str { color: #fde68a; }
.c-bool { color: #f87171; }

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
  z-index: 1;
}

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

/* ============================================================
   ABOUT
============================================================ */
.about { background: var(--bg-secondary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}

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

.about-image {
  position: relative;
  aspect-ratio: 1;
  max-width: 380px;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--text-muted);
  min-height: 320px;
}

.image-accent-1 {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent);
}

.image-accent-2 {
  position: absolute;
  bottom: -12px;
  left: -12px;
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: var(--accent-2-dim);
  border: 2px solid var(--accent-2);
}

.about-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.about-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.about-badge-item:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.about-badge-item i { color: var(--accent); }

.about-subtitle {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0 32px;
}

.highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.highlight i { color: var(--accent); width: 16px; }

.about-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   SKILLS
============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}

.skill-category:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.skill-cat-header i {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
}

.skill-cat-header h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}

.skill-items { display: flex; flex-direction: column; gap: 18px; }

.skill-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.skill-info span:last-child { color: var(--accent); font-weight: 600; }

.skill-bar {
  height: 5px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 100px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.tech-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  transition: var(--transition);
  font-family: 'JetBrains Mono', monospace;
}

.tech-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   PROJECTS
============================================================ */
.projects { background: var(--bg-secondary); }

.project-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 22px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.project-card.hidden {
  display: none;
}

.project-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255,255,255,0.6);
  transition: transform 0.4s ease;
}

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

.gradient-1 { background: linear-gradient(135deg, #1a1a4e, #2d1b69); }
.gradient-2 { background: linear-gradient(135deg, #0d3b33, #065f46); }
.gradient-3 { background: linear-gradient(135deg, #1e1b4b, #312e81); }
.gradient-4 { background: linear-gradient(135deg, #1c1917, #292524); }
.gradient-5 { background: linear-gradient(135deg, #0c1a2e, #1e3a5f); }
.gradient-6 { background: linear-gradient(135deg, #1a0e2e, #2d1554); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

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

.project-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--accent);
  color: #000;
  transition: var(--transition);
}

.project-link:last-child {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}

.project-link:last-child:hover { background: rgba(255,255,255,0.1); }

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
}

.project-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
  width: fit-content;
  letter-spacing: 0.04em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.project-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.project-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
}

.project-desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.project-arrow {
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}

.project-arrow:hover { gap: 10px; }

.projects-cta { text-align: center; margin-top: 48px; }

/* ============================================================
   EXPERIENCE / TIMELINE
============================================================ */
.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(even) .timeline-content { grid-column: 2; }
.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(odd) .timeline-date { justify-content: flex-end; }
.timeline-item:nth-child(odd) .timeline-tags { justify-content: flex-end; }

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--accent);
  z-index: 1;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.timeline-header { margin-bottom: 8px; }

.timeline-header h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.timeline-company {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 2px;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

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

.timeline-tags span {
  font-size: 0.72rem;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
}

/* ============================================================
   SERVICES
============================================================ */
.services { background: var(--bg-secondary); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg);
}

.service-card.highlighted {
  border-color: var(--accent);
  background: linear-gradient(145deg, var(--bg-card), rgba(0, 245, 212, 0.04));
}

.service-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  flex: 1;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.service-list li i {
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.service-price {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: auto;
}

/* ============================================================
   TESTIMONIALS
============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-family: 'Syne', sans-serif;
  font-size: 5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 0.8;
  margin-bottom: 16px;
  opacity: 0.4;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-info strong { display: block; font-size: 0.9rem; }
.author-info span { font-size: 0.78rem; color: var(--text-muted); }

.testimonial-stars {
  margin-left: auto;
  color: #fbbf24;
  font-size: 0.9rem;
}

/* ============================================================
   CONTACT
============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.contact-detail:hover {
  border-color: var(--border-hover);
  background: var(--accent-dim);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-detail strong { display: block; font-size: 0.85rem; margin-bottom: 2px; }
.contact-detail span { font-size: 0.8rem; color: var(--text-secondary); }

.contact-availability {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  padding: 12px 16px;
  transition: var(--transition);
  width: 100%;
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(6, 214, 160, 0.1);
  border: 1px solid var(--green);
  border-radius: 8px;
  color: var(--green);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 16px;
}

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

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-socials a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.footer-links h4 {
  font-family: 'Syne', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

.heart { color: var(--red); }

/* ============================================================
   SCROLL TO TOP
============================================================ */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  color: #000;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.scroll-top:hover { transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1100px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .hero { flex-direction: column; padding-top: 140px; gap: 48px; }
  .hero-visual { width: 100%; max-width: 420px; }
  .code-card { min-width: unset; width: 100%; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 1fr; padding-left: 52px; }
  .timeline-item:nth-child(even) .timeline-content { grid-column: 1; }
  .timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-date { justify-content: flex-start; }
  .timeline-item:nth-child(odd) .timeline-tags { justify-content: flex-start; }
  .timeline-dot { left: 20px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 280px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 40px;
    gap: 8px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1rem; padding: 12px 0; width: 100%; }
  .nav-link::after { display: none; }
  .hamburger { display: flex; }
  .nav-overlay.active { display: block; }
  .btn-resume span { display: none; }

  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats { gap: 20px; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.8rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .contact-form-wrap { padding: 24px; }
}