/* =============================================
   ZIREGBE OTEE — PORTFOLIO
   Dark professional theme
   ============================================= */

/* ===== VARIABLES ===== */
:root {
  --bg-primary:    #07090f;
  --bg-secondary:  #0b0f1c;
  --bg-card:       #0f1525;
  --bg-card-hover: #141c30;
  --border:        #1a2540;
  --border-light:  #223054;
  --accent:        #38bdf8;
  --accent-dim:    rgba(56, 189, 248, 0.09);
  --accent-border: rgba(56, 189, 248, 0.28);
  --accent-glow:   rgba(56, 189, 248, 0.06);
  --green:         #10b981;
  --green-dim:     rgba(16, 185, 129, 0.10);
  --green-border:  rgba(16, 185, 129, 0.30);
  --yellow:        #f59e0b;
  --yellow-dim:    rgba(245, 158, 11, 0.10);
  --yellow-border: rgba(245, 158, 11, 0.30);
  --text-primary:  #e2e8f0;
  --text-secondary:#94a3b8;
  --text-muted:    #4b5a72;
  --nav-h:         64px;
  --radius:        14px;
  --radius-sm:     8px;
  --max-w:         1080px;
  --ease:          0.25s ease;
  --shadow-card:   0 4px 32px rgba(0,0,0,0.45);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

/* ===== UTILITIES ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.mono {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}
.accent { color: var(--accent); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #040810;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: #7dd3fc;
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.35);
  transform: translateY(-1px);
}
.btn-outline {
  border-color: var(--accent-border);
  color: var(--accent);
  background: transparent;
}
.btn-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}
.btn-sm { padding: 0.45rem 1rem; font-size: 0.83rem; }

/* ===== SCROLL ANIMATIONS ===== */
.animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.animate.visible { opacity: 1; transform: none; }
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.32s; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--ease), border-color var(--ease), backdrop-filter var(--ease);
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(7, 9, 15, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex: 1;
}
.nav-links a {
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--ease);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(7, 9, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  text-align: center;
}
.mobile-menu a {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--ease);
  letter-spacing: -0.02em;
}
.mobile-menu a:hover { color: var(--accent); }

/* ===== SECTION COMMON ===== */
section { padding: 6rem 0; }

.section-header { margin-bottom: 3rem; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.85rem;
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  margin-bottom: 0.85rem;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 5rem;
  text-align: center;
  overflow: hidden;
}

/* Radial glow behind hero content */
#hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(56, 189, 248, 0.06) 0%,
    rgba(56, 189, 248, 0.02) 50%,
    transparent 70%);
  pointer-events: none;
}

#particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--green-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--green);
  background: var(--green-dim);
  margin-bottom: 1.75rem;
  letter-spacing: 0.01em;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: pulseGlow 2.2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  50%       { opacity: 0.85; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

h1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 1.25rem;
}

.hero-name {
  display: block;
  font-size: clamp(2.6rem, 6.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  background: linear-gradient(140deg, #e2e8f0 20%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  display: block;
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}
.hero-subtitle strong { color: var(--text-primary); font-weight: 600; }

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}

.hero-tech {
  display: inline-block;
  padding: 0.55rem 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border-light);
  border-radius: 12px;
  position: relative;
}
.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollBounce 2.2s ease infinite;
}
@keyframes scrollBounce {
  0%   { top: 6px; opacity: 1; }
  100% { top: 22px; opacity: 0; }
}

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

.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  line-height: 1.8;
  font-size: 0.97rem;
}
.about-text p:last-child { margin-bottom: 0; }

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: border-color var(--ease);
}
.stat-card:hover { border-color: var(--accent-border); }
.stat-number {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Achievements */
.achievements-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 1.1rem;
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.achievement-card:hover {
  border-color: var(--accent-border);
  box-shadow: inset 0 0 40px var(--accent-glow);
}
.achievement-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.05rem;
}
.achievement-body strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.achievement-body p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== SKILLS ===== */
#skills { background: var(--bg-primary); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--ease);
}
.skill-group:hover { border-color: var(--border-light); }

.skill-group h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.skill-icon { font-size: 1rem; }

.tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.27rem 0.65rem;
  border-radius: 6px;
  font-size: 0.79rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--ease);
  cursor: default;
}
.tag:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}
.tag-primary {
  background: rgba(56, 189, 248, 0.07);
  border-color: rgba(56, 189, 248, 0.22);
  color: #7dd3fc;
}
.tag-primary:hover {
  background: rgba(56, 189, 248, 0.14);
  border-color: var(--accent);
  color: var(--accent);
}
.tag-sm {
  font-size: 0.74rem;
  padding: 0.2rem 0.55rem;
  border-radius: 5px;
}

/* ===== TIMELINE ===== */
#experience { background: var(--bg-secondary); }

.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--accent) 0%,
    var(--border-light) 50%,
    transparent 100%
  );
}

.timeline-item {
  position: relative;
  margin-bottom: 1.75rem;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 1.35rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 2.5px solid var(--bg-secondary);
  z-index: 1;
}
.marker-accent {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.55);
}
.marker-dim {
  background: var(--border-light);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.timeline-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.timeline-role h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.company {
  display: block;
  font-size: 0.84rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: 0.2rem;
}
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--text-muted);
}
.timeline-context {
  font-size: 0.855rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.85rem;
}
.timeline-context a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.timeline-context a:hover { opacity: 0.8; }

.timeline-bullets {
  padding-left: 1.1rem;
  list-style: disc;
  margin-bottom: 1rem;
}
.timeline-bullets li {
  font-size: 0.865rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  line-height: 1.65;
}
.timeline-bullets li::marker { color: var(--accent-border); }

.stack-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.timeline-subproject {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--border);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.badge-green {
  background: var(--green-dim);
  border-color: var(--green-border);
  color: var(--green);
}
.badge-yellow {
  background: var(--yellow-dim);
  border-color: var(--yellow-border);
  color: var(--yellow);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--ease);
}
.project-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5), inset 0 0 50px var(--accent-glow);
  transform: translateY(-3px);
}
.project-featured {
  border-color: rgba(56, 189, 248, 0.18);
  background: linear-gradient(150deg, var(--bg-card) 0%, rgba(56, 189, 248, 0.03) 100%);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}
.project-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.project-title-row h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.project-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center; }
.project-link {
  font-size: 0.84rem;
  color: var(--accent);
  white-space: nowrap;
  transition: opacity var(--ease);
}
.project-link:hover { opacity: 0.7; }

.project-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.project-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.project-highlights li {
  font-size: 0.855rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}
.project-highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.7rem;
  top: 0.15rem;
}

/* ===== CERTIFICATIONS ===== */
#certifications { background: var(--bg-secondary); }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color var(--ease);
}
.cert-card:hover { border-color: var(--accent-border); }
.cert-icon { font-size: 1.25rem; flex-shrink: 0; }
.cert-card h4 {
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text-secondary);
}

/* Education */
.education-section { }
.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: border-color var(--ease);
}
.edu-card:hover { border-color: var(--accent-border); }
.edu-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  white-space: nowrap;
  padding-top: 0.1rem;
  flex-shrink: 0;
}
.edu-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}
.edu-info span {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.edu-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--accent);
  transition: opacity var(--ease);
}
.edu-link:hover { opacity: 0.7; }

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

.contact-content { max-width: 720px; }
.contact-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  transition: all var(--ease);
}
.contact-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.contact-icon {
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
}
.contact-card strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.contact-card span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}
footer p {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
  .achievement-grid { grid-template-columns: 1fr; }
}

@media (max-width: 880px) {
  .nav-links, #navbar .btn { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 700px) {
  section { padding: 4rem 0; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .contact-links { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .timeline { padding-left: 1.5rem; }
  .timeline-card { padding: 1.25rem; }
  .timeline-header { flex-direction: column; gap: 0.5rem; }
  .section-header h2 { font-size: 1.6rem; }
  .hero-name { font-size: 2.4rem; }
  .hero-title { font-size: 1.1rem; }
}