/* ============================================
   Niels Van Dorpe — Portfolio
   Cybersecurity Theme / Mobile-First
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #0a0f1c;
  --bg-secondary: #0f1629;
  --bg-card: #131a2e;
  --bg-card-hover: #182040;
  --border: #1e293b;
  --border-accent: #1a3a5c;

  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00d4ff;
  --accent-cyan-dim: rgba(0, 212, 255, 0.15);
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-green-dim: rgba(16, 185, 129, 0.15);
  --accent-purple: #a855f7;
  --accent-purple-dim: rgba(168, 85, 247, 0.15);
  --accent-gold: #f59e0b;
  --accent-gold-dim: rgba(245, 158, 11, 0.15);
  --accent-red: #ef4444;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 70px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #33dfff;
}

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

/* --- Background Canvas --- */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- Container --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================
   NAVIGATION
   ============================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  min-height: var(--nav-height);
  background: rgba(10, 15, 28, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: var(--transition);
  overflow: visible;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

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

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.nav-toggle.active .hamburger {
  background: transparent;
}

.nav-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--accent-cyan);
}

.nav-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
  background: var(--accent-cyan);
}

/* Mobile Menu */
.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  list-style: none;
  display: flex;
  flex-direction: column;
  padding: 100px 40px 40px;
  gap: 8px;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
}

.nav-menu.active {
  right: 0;
}

.nav-link {
  display: block;
  padding: 12px 0;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}

.nav-link:hover {
  color: var(--accent-cyan);
  padding-left: 8px;
}

.nav-link--cta {
  margin-top: 16px;
  text-align: center;
  background: var(--accent-cyan-dim);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  position: relative;
}

.nav-cta-icon {
  font-size: 0.8em;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
}

.nav-link--cta:hover {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  border-color: #33dfff;
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.25);
}

.nav-link--cta:hover .nav-cta-icon {
  transform: translate(18px, -18px) scale(0.6);
  opacity: 0;
}

@keyframes nav-cta-send {
  0% { transform: translate(18px, -18px) scale(0.6); opacity: 0; }
  50% { transform: translate(-4px, 4px) scale(1.1); opacity: 0.5; }
  100% { transform: translate(0, 0) scale(1); opacity: 1; }
}

/* Desktop Nav */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    border: none;
    flex-direction: row;
    padding: 0;
    gap: 4px;
    align-items: center;
  }

  .nav-link {
    padding: 8px 14px;
    font-size: 0.875rem;
    border-bottom: none;
    border-radius: var(--radius-sm);
  }

  .nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    padding-left: 14px;
  }

  .nav-link--cta {
    margin-top: 0;
    margin-left: 8px;
    padding: 8px 20px;
    border-bottom: 1px solid var(--accent-cyan);
  }
}

/* ============================
   HERO SECTION
   ============================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 120px 20px 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  max-width: 1100px;
  width: 100%;
}

.hero-photo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.photo-frame {
  position: relative;
  width: 160px;
  height: 160px;  
  overflow: hidden;
  border-radius: 50%;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transform: scale(1.4);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.photo-border {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(var(--accent-cyan), var(--accent-blue), var(--accent-purple), var(--accent-cyan));
  z-index: 0;
  animation: rotate-border 6s linear infinite;
}

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

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-cyan-dim);
  border: 1px solid rgba(0, 212, 255, 0.3);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

.status-badge i {
  font-size: 0.75rem;
}

.hero-text {
  text-align: center;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.terminal-prompt {
  color: var(--accent-green);
  margin-right: 4px;
}

.hero-name {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

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

.hero-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 1.7em;
}

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

@keyframes blink {
  50% { opacity: 0; }
}

.hero-summary {
  max-width: 540px;
  margin: 0 auto 16px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.hero-location {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.hero-location i {
  color: var(--accent-red);
  margin-right: 6px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #33dfff;
  color: var(--bg-primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}

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

/* Scroll Indicator */
.scroll-indicator {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: float 3s ease-in-out infinite;
}

.scroll-indicator p {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
  0% { opacity: 1; top: 8px; }
  100% { opacity: 0; top: 24px; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Hero Desktop */
@media (min-width: 768px) {
  .hero-content {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }

  .hero-text {
    text-align: left;
  }

  .hero-name {
    font-size: 3.5rem;
  }

  .hero-title {
    font-size: 1.2rem;
  }

  .hero-summary {
    margin: 0 0 16px;
  }

  .hero-actions {
    flex-direction: row;
    justify-content: flex-start;
  }

  .photo-frame {
    width: 200px;
    height: 200px;
  }
}

/* ============================
   SECTIONS (General)
   ============================ */
.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section--alt {
  background: var(--bg-secondary);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
  margin-left: 16px;
}

/* ============================
   ABOUT SECTION
   ============================ */
.about-grid {
  display: grid;
  gap: 40px;
}

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

.about-text strong {
  color: var(--text-primary);
}

.about-interests-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.about-interests-title i {
  color: var(--accent-cyan);
  margin-right: 8px;
}

.interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.tag i {
  font-size: 0.8rem;
}

.tag--blue {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.25);
}

.tag--purple {
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.25);
}

.tag--green {
  background: var(--accent-green-dim);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
  }
}

/* ============================
   EXPERIENCE SECTION
   ============================ */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple));
  border-radius: 1px;
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-marker {
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-cyan);
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

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

.experience-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.experience-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.experience-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.experience-company {
  color: var(--accent-cyan);
  font-weight: 500;
}

.experience-company i {
  margin-right: 6px;
}

.experience-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.experience-date i {
  margin-right: 6px;
}

.experience-details {
  list-style: none;
  margin-bottom: 20px;
}

.experience-details li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.experience-details li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 700;
}

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

.experience-tags span {
  padding: 4px 12px;
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

@media (min-width: 768px) {
  .experience-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* ============================
   CERTIFICATIONS SECTION
   ============================ */
.cert-grid {
  display: grid;
  gap: 16px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.cert-card--featured {
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.cert-card--featured:hover {
  box-shadow: var(--shadow-glow);
}

.cert-badge {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-cyan-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.cert-badge i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

.cert-score {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.cert-score.gold {
  color: var(--accent-gold);
}

.cert-card--featured .cert-badge {
  width: 64px;
  height: 64px;
}

.cert-info {
  flex: 1;
  min-width: 0;
}

.cert-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
  line-height: 1.3;
}

.cert-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.cert-issuer,
.cert-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.cert-issuer i,
.cert-date i {
  margin-right: 6px;
  width: 14px;
  text-align: center;
}

.cert-highlight {
  position: absolute;
  top: 12px;
  right: 12px;
}

.highlight-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.highlight-badge--gold {
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  border-color: rgba(245, 158, 11, 0.3);
}

@media (min-width: 768px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cert-card--featured {
    grid-column: span 1;
  }
}

/* ============================
   TOOLS SECTION
   ============================ */
.tools-grid {
  display: grid;
  gap: 24px;
}

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

.tool-category:hover {
  border-color: var(--border-accent);
}

.tool-category-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-cyan);
}

.tool-category-title i {
  margin-right: 8px;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-item {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  transition: var(--transition);
}

.tool-item:hover {
  border-color: var(--accent-cyan);
  background: var(--accent-cyan-dim);
}

.tool-name {
  font-size: 0.9rem;
  font-weight: 500;
}

@media (min-width: 768px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================
   ACHIEVEMENTS SECTION
   ============================ */
.achievements-grid {
  display: grid;
  gap: 24px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
}

.achievement-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow);
}

.achievement-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.achievement-icon i {
  font-size: 1.4rem;
  color: var(--accent-gold);
}

.achievement-icon--htb {
  background: var(--accent-green-dim);
}

.achievement-icon--htb i {
  color: var(--accent-green);
}

.achievement-icon--giac {
  background: var(--accent-purple-dim);
}

.achievement-icon--giac i {
  color: var(--accent-purple);
}

.giac-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-purple-dim);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.achievement-info h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.achievement-stat {
  margin-bottom: 12px;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: block;
}

.stat-context {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.achievement-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.achievement-bar {
  height: 28px;
  background: var(--bg-primary);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-gold), #fbbf24);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar-fill span {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bg-primary);
}

.htb-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-green-dim);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

@media (min-width: 768px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .achievement-card {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* ============================
   EDUCATION & LANGUAGES
   ============================ */
.edu-lang-grid {
  display: grid;
  gap: 24px;
}

.edu-card,
.languages-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}

.edu-card:hover,
.languages-card:hover {
  border-color: var(--border-accent);
}

.edu-icon,
.lang-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.edu-icon i,
.lang-icon i {
  font-size: 1.2rem;
  color: var(--accent-cyan);
}

.edu-card h3,
.languages-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.edu-degree {
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 4px;
}

.edu-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

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

.edu-location i {
  color: var(--accent-red);
  margin-right: 6px;
}

.language-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.language-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.lang-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.lang-level {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.lang-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.lang-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 768px) {
  .edu-lang-grid {
    grid-template-columns: 1fr 1.5fr;
  }
}

/* ============================
   CONTACT SECTION
   ============================ */
.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-text {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.contact-cards {
  display: grid;
  gap: 16px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  color: var(--text-primary);
}

.contact-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  color: var(--text-primary);
}

.contact-card i {
  font-size: 2rem;
  color: var(--accent-cyan);
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.contact-value {
  font-weight: 600;
  font-size: 1rem;
}

@media (min-width: 768px) {
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition);
}

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

/* ============================
   ANIMATIONS (Scroll Reveal)
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================
   SELECTION & SCROLLBAR
   ============================ */
::selection {
  background: rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}