/* ============================================================
   ROOT VARIABLES & RESET
============================================================ */
:root {
  --bg-primary:     #0a0a0f;
  --bg-secondary:   #0f0f1a;
  --bg-tertiary:    #13131f;
  --bg-card:        #141420;
  --bg-card-hover:  #1a1a2e;

  --accent-primary:   #6c63ff;
  --accent-secondary: #a78bfa;
  --accent-glow:      rgba(108, 99, 255, 0.25);
  --accent-border:    rgba(108, 99, 255, 0.3);

  --text-primary:   #f0f0ff;
  --text-secondary: #9999bb;
  --text-muted:     #5a5a7a;

  --border-subtle:  rgba(255, 255, 255, 0.06);
  --border-card:    rgba(255, 255, 255, 0.08);

  --success: #22c55e;
  --warning: #f59e0b;

  --font-main: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow:   0 0 40px rgba(108,99,255,0.15);
  --shadow-strong: 0 8px 40px rgba(0,0,0,0.6);

  --transition-fast: 0.15s ease;
  --transition-med:  0.3s ease;
  --transition-slow: 0.5s ease;

  --nav-height: 70px;
  --container-max: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

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

/* ============================================================
   UTILITY — CONTAINER
============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   UTILITY — BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-med);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(108,99,255,0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-card);
}
.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-secondary);
  background: rgba(108,99,255,0.08);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border-subtle);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-card);
  background: rgba(255,255,255,0.04);
}

.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   SECTION COMMON
============================================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================================
   NAVIGATION
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-med);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

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

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}
.nav-logo span { color: var(--accent-primary); }
.nav-logo:hover { color: var(--accent-secondary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.btn-cv {
  background: var(--accent-primary);
  color: #fff !important;
  font-weight: 600;
  margin-left: 8px;
  padding: 8px 18px;
}
.btn-cv:hover {
  background: var(--accent-secondary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-med);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(108,99,255,0.12) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(167,139,250,0.06) 0%, transparent 60%),
    var(--bg-primary);
}

#particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: calc(var(--nav-height) + 24px) 24px 80px;
  max-width: 800px;
  margin: 0 auto;
  animation: heroFadeIn 0.8s ease both;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--success);
  margin-bottom: 24px;
  animation: heroFadeIn 0.8s 0.1s ease both;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34,197,94,0.2); }
  50%       { box-shadow: 0 0 0 6px rgba(34,197,94,0.05); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 8px;
  animation: heroFadeIn 0.8s 0.15s ease both;
}

.hero-name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  animation: heroFadeIn 0.8s 0.2s ease both;
}

.name-text {
  background: linear-gradient(135deg, #f0f0ff 0%, var(--accent-secondary) 60%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 500;
  color: var(--accent-secondary);
  margin-bottom: 24px;
  font-family: var(--font-mono);
  min-height: 2em;
  animation: heroFadeIn 0.8s 0.25s ease both;
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
  animation: heroFadeIn 0.8s 0.3s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: heroFadeIn 0.8s 0.35s ease both;
}

.hero-socials {
  display: flex;
  gap: 16px;
  justify-content: center;
  animation: heroFadeIn 0.8s 0.4s ease both;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-med);
}
.social-link:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(108,99,255,0.1);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(108,99,255,0.2);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: heroFadeIn 1s 0.8s ease both;
}
.hero-scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}
.hero-scroll-indicator a:hover { color: var(--text-secondary); }

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}
.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 2px;
  animation: scrollDown 1.5s infinite;
}
@keyframes scrollDown {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

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

.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
}

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

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  max-width: 320px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  overflow: hidden;
  transition: border-color var(--transition-med);
}
.about-image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(108,99,255,0.08), transparent 70%);
}
.about-image-placeholder i {
  font-size: 5rem;
  opacity: 0.3;
}
.about-image-placeholder span {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.about-image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at 50% 50%, rgba(108,99,255,0.08), transparent 70%);
  pointer-events: none;
}

.about-headline {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.about-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
}

.stat-item {
  text-align: center;
}
.stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-secondary);
  letter-spacing: -0.02em;
}
.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

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

.projects-filter {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  border: 1.5px solid var(--border-card);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}
.filter-btn.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-med);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.project-card.hidden { display: none; }

.project-image {
  position: relative;
  overflow: hidden;
  background: var(--bg-tertiary);
}
.project-card:not(.featured) .project-image {
  aspect-ratio: 16/9;
}
.project-card.featured .project-image {
  min-height: 280px;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  min-height: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}
.project-img-placeholder i {
  font-size: 3.5rem;
  color: var(--accent-primary);
  opacity: 0.25;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity var(--transition-med);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-overlay { opacity: 1; }

.overlay-link {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  transform: scale(0.9);
}
.project-card:hover .overlay-link { transform: scale(1); }
.overlay-link:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.project-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-category {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-featured-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(108,99,255,0.15);
  color: var(--accent-secondary);
  border: 1px solid var(--accent-border);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.project-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

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

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  background: rgba(108,99,255,0.08);
  color: var(--accent-secondary);
  border: 1px solid rgba(108,99,255,0.15);
}

.project-links {
  display: flex;
  gap: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.project-link:hover { color: var(--text-primary); }
.project-link-demo { color: var(--accent-primary); }
.project-link-demo:hover { color: var(--accent-secondary); }

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

/* ============================================================
   SKILLS
============================================================ */
.skills-section {
  background: var(--bg-secondary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-med);
}
.skill-category:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.skill-category-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(108,99,255,0.12);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1rem;
  flex-shrink: 0;
}

.skill-category-header h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.skill-tag {
  font-size: 0.83rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: default;
}
.skill-tag:hover {
  border-color: var(--accent-border);
  color: var(--text-primary);
}
.skill-tag-primary {
  background: rgba(108,99,255,0.1);
  border-color: rgba(108,99,255,0.2);
  color: var(--accent-secondary);
}
.skill-tag-primary:hover {
  background: rgba(108,99,255,0.18);
}

/* ============================================================
   EXPERIENCE — TIMELINE
============================================================ */
.experience-section {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-primary), rgba(108,99,255,0.1));
}

.timeline-item {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  position: relative;
}

.timeline-marker {
  position: relative;
  flex-shrink: 0;
  width: 42px;
  display: flex;
  justify-content: center;
  padding-top: 22px;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.25);
  flex-shrink: 0;
  z-index: 1;
}
.timeline-dot-edu {
  background: var(--accent-secondary);
  box-shadow: 0 0 0 3px rgba(167,139,250,0.2);
}

.timeline-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: all var(--transition-med);
}
.timeline-card:hover {
  border-color: var(--accent-border);
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.timeline-role {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.timeline-company {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--accent-secondary);
  font-weight: 500;
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.timeline-type {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(108,99,255,0.1);
  color: var(--accent-primary);
  border: 1px solid var(--accent-border);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.timeline-achievements {
  margin-bottom: 16px;
}
.timeline-achievements li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  padding: 4px 0 4px 16px;
  position: relative;
}
.timeline-achievements li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-size: 0.75rem;
}

/* ============================================================
   CV SECTION
============================================================ */
.cv-section {
  background: var(--bg-secondary);
  padding: 80px 0;
}

.cv-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary), transparent);
}
.cv-card::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,0.08), transparent 70%);
  pointer-events: none;
}

.cv-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.cv-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(108,99,255,0.12);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.6rem;
  flex-shrink: 0;
}

.cv-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cv-subtitle {
  font-size: 0.94rem;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
}

.cv-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
  font-family: var(--font-mono);
}

.cv-right {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ============================================================
   CONTACT
============================================================ */
.contact-section {
  background: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.contact-info-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.contact-info-text {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: all var(--transition-med);
}
.contact-item:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.contact-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(108,99,255,0.1);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-icon-linkedin { background: rgba(10,102,194,0.1); border-color: rgba(10,102,194,0.25); color: #0a66c2; }
.contact-icon-github   { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); color: var(--text-primary); }

.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}
.contact-value {
  display: block;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 2px;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-tertiary);
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

.form-note {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  justify-content: center;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 28px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  display: block;
  margin-bottom: 10px;
}
.footer-logo span { color: var(--accent-primary); }

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.footer-nav a {
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer-nav a:hover { color: var(--text-primary); }

.footer-socials {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}
.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.footer-socials a:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(108,99,255,0.08);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-credit i {
  color: #e74c3c;
  margin: 0 2px;
  font-size: 0.75rem;
}

/* ============================================================
   SCROLL ANIMATIONS
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Delay helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================================
   RESPONSIVE — TABLET
============================================================ */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 280px 1fr;
    gap: 40px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .project-card.featured {
    grid-template-columns: 1fr;
  }
  .project-card.featured .project-image {
    min-height: 200px;
  }
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-nav { flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .footer-socials { justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* ============================================================
   RESPONSIVE — MOBILE
============================================================ */
@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Navbar */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-med);
    border-bottom: 1px solid var(--border-subtle);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { padding: 12px 16px; font-size: 1rem; }
  .btn-cv { margin-left: 0; margin-top: 8px; text-align: center; }

  /* Hero */
  .hero-name { font-size: 2.8rem; }
  .hero-actions { flex-direction: column; align-items: center; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-image-placeholder { max-width: 220px; margin: 0 auto; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured {
    grid-column: 1;
    grid-template-columns: 1fr;
  }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; }

  /* Timeline */
  .timeline::before { left: 14px; }
  .timeline-marker { width: 30px; }
  .timeline-header { flex-direction: column; }
  .timeline-meta { align-items: flex-start; }
  .timeline-card { padding: 18px 20px; }

  /* CV */
  .cv-card {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }
  .cv-left { flex-direction: column; align-items: center; text-align: center; }
  .cv-right { justify-content: center; }

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

  /* Scroll indicator */
  .hero-scroll-indicator { display: none; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.2rem; }
  .container { padding: 0 16px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .timeline-item { gap: 16px; }
  .contact-form-wrapper { padding: 24px 20px; }
}