/* ===== CSS VARIABLES & RESET ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --primary-glow: rgba(37, 99, 235, 0.3);
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(59, 130, 246, 0.12);
  --border-hover: rgba(59, 130, 246, 0.3);
  --gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
  --gradient-btn: linear-gradient(135deg, #2563eb, #7c3aed);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
}
::selection { background: var(--primary); color: white; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }

/* ===== PRELOADER ===== */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-ring {
  width: 50px; height: 50px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(16px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.6em; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.logo-dot { color: var(--primary-light); }
.nav-menu { display: flex; gap: 6px; }
.nav-link {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.9em; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.1);
}
.nav-link::after {
  content: ''; position: absolute; bottom: 2px; left: 50%;
  width: 0; height: 2px; background: var(--primary);
  transition: all var(--transition); transform: translateX(-50%);
  border-radius: 2px;
}
.nav-link.active::after, .nav-link:hover::after { width: 20px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; z-index: 1001;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px 0 60px;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-shape {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.15;
}
.hero-shape-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -10%; right: -10%;
  animation: floatShape 8s ease-in-out infinite;
}
.hero-shape-2 {
  width: 350px; height: 350px;
  background: #7c3aed;
  bottom: -10%; left: -5%;
  animation: floatShape 10s ease-in-out infinite reverse;
}
.hero-shape-3 {
  width: 200px; height: 200px;
  background: #06b6d4;
  top: 40%; left: 50%;
  animation: floatShape 6s ease-in-out infinite;
}
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-container { position: relative; z-index: 1; width: 100%; }
.hero-content {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-block; padding: 6px 16px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px; font-size: 0.9em;
  color: var(--primary-light); margin-bottom: 20px;
}
.hero-name {
  font-size: 3.2em; font-weight: 800;
  line-height: 1.1; margin-bottom: 12px;
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-title {
  font-size: 1.15em; color: var(--text-secondary);
  margin-bottom: 16px; font-weight: 500;
}
.hero-desc {
  color: var(--text-muted); font-size: 1em;
  max-width: 540px; line-height: 1.8; margin-bottom: 28px;
}
.hero-desc strong { color: var(--text-primary); }
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95em;
  transition: all var(--transition); cursor: pointer;
  border: none; font-family: inherit;
}
.btn-primary {
  background: var(--gradient-btn);
  color: white; box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--primary-glow);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary); background: rgba(59, 130, 246, 0.08);
  transform: translateY(-2px);
}

.hero-social { display: flex; gap: 12px; }
.hero-social a {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1.1em;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.hero-social a:hover {
  color: var(--text-primary); border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
  transform: translateY(-3px);
}

.hero-image { display: flex; justify-content: center; }
.hero-img-wrap {
  position: relative; width: 320px; height: 320px;
}
.hero-img-border {
  position: absolute; inset: -8px;
  border-radius: 50%; border: 2px solid var(--border);
  animation: rotateBorder 10s linear infinite;
}
@keyframes rotateBorder {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.hero-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 50%; border: 4px solid rgba(59, 130, 246, 0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.scroll-indicator {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; margin-top: 40px; color: var(--text-muted);
  font-size: 0.8em;
}
.scroll-mouse {
  width: 24px; height: 38px; border: 2px solid var(--text-muted);
  border-radius: 12px; display: flex; justify-content: center;
  padding-top: 8px;
}
.scroll-wheel {
  width: 3px; height: 8px; background: var(--text-muted);
  border-radius: 2px; animation: scrollWheel 1.5s ease infinite;
}
@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center; margin-bottom: 60px;
}
.section-subtitle {
  display: inline-block; padding: 4px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 50px; font-size: 0.85em;
  color: var(--primary-light); margin-bottom: 16px;
  font-weight: 500;
}
.section-title {
  font-size: 2.4em; font-weight: 800;
  margin-bottom: 16px; line-height: 1.2;
}
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-divider {
  width: 60px; height: 3px; background: var(--gradient);
  border-radius: 3px; margin: 0 auto;
}

/* ===== ABOUT ===== */
.about { background: var(--bg-secondary); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 60px; align-items: center;
}
.about-img-frame {
  position: relative; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
.about-img-frame img {
  width: 100%; height: 450px; object-fit: cover;
  transition: transform 0.6s;
}
.about-img-frame:hover img { transform: scale(1.03); }
.about-img-shine {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.06) 50%, transparent 60%);
  pointer-events: none;
}
.about-status {
  display: flex; align-items: center; gap: 8px;
  margin-top: 16px; padding: 10px 16px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-sm);
  width: fit-content;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}
.about-status span { font-size: 0.9em; color: #22c55e; font-weight: 500; }
.about-text h3 { font-size: 1.5em; margin-bottom: 16px; }
.about-text p { color: var(--text-secondary); margin-bottom: 12px; }
.about-text p strong { color: var(--text-primary); }
.about-info {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin: 24px 0;
}
.info-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; background: var(--bg-card);
  border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.info-item i {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-light); font-size: 1em;
}
.info-item h4 { font-size: 0.85em; color: var(--text-primary); margin-bottom: 2px; }
.info-item p { font-size: 0.8em; color: var(--text-muted); margin: 0; }
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-top: 24px;
}
.stat-item {
  text-align: center; padding: 16px 8px;
  background: var(--bg-card); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.stat-item:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-number {
  display: block; font-size: 1.8em; font-weight: 800;
  color: var(--primary-light);
}
.stat-label { font-size: 0.78em; color: var(--text-muted); }

/* ===== SKILLS ===== */
.skills-desc {
  text-align: center; max-width: 600px; margin: 0 auto 48px;
  color: var(--text-secondary);
}
.skills-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-card {
  padding: 28px; background: var(--bg-card);
  border-radius: var(--radius); border: 1px solid var(--border);
  text-align: center; transition: all var(--transition);
}
.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.skill-icon {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.4em; color: var(--primary-light);
}
.skill-card h4 { font-size: 1.05em; margin-bottom: 8px; }
.skill-card p { font-size: 0.85em; color: var(--text-secondary); margin-bottom: 16px; }
.skill-bar {
  height: 6px; background: rgba(255,255,255,0.06);
  border-radius: 4px; overflow: hidden; margin-bottom: 8px;
}
.skill-progress {
  height: 100%; background: var(--gradient-btn);
  border-radius: 4px; width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.skill-progress.animated { /* width set by JS */ }
.skill-percent { font-size: 0.8em; color: var(--text-muted); font-weight: 600; }

/* ===== EXPERIENCE / TIMELINE ===== */
.experience { background: var(--bg-secondary); }
.timeline { position: relative; max-width: 700px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--primary), transparent);
}
.timeline-item {
  position: relative; padding-left: 56px; margin-bottom: 36px;
}
.timeline-dot {
  position: absolute; left: 12px; top: 4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg-primary); border: 3px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}
.timeline-content {
  padding: 24px; background: var(--bg-card);
  border-radius: var(--radius); border: 1px solid var(--border);
  transition: all var(--transition);
}
.timeline-content:hover {
  border-color: var(--border-hover); transform: translateX(4px);
}
.timeline-content.highlight {
  border-color: rgba(59, 130, 246, 0.2);
  background: linear-gradient(135deg, var(--bg-card), rgba(59, 130, 246, 0.05));
}
.timeline-date {
  display: inline-block; padding: 3px 12px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 50px; font-size: 0.8em;
  color: var(--primary-light); margin-bottom: 12px;
  font-weight: 500;
}
.timeline-content h4 {
  font-size: 1.05em; margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.timeline-content h4 i { color: var(--primary-light); }
.timeline-content p { font-size: 0.9em; color: var(--text-secondary); }
.timeline-content ul { margin-top: 12px; }
.timeline-content ul li {
  font-size: 0.85em; color: var(--text-secondary);
  margin-bottom: 6px; display: flex; align-items: center; gap: 8px;
}
.timeline-content ul li i { color: #22c55e; font-size: 0.9em; }

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  background: var(--bg-card); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.project-image {
  position: relative; overflow: hidden; height: 200px;
}
.project-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s;
}
.project-card:hover .project-image img { transform: scale(1.08); }
.project-overlay {
  position: absolute; inset: 0;
  background: rgba(10, 14, 23, 0.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: all var(--transition);
  backdrop-filter: blur(2px);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient-btn); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2em; transform: scale(0);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.project-card:hover .project-link { transform: scale(1); }
.project-info { padding: 20px; }
.project-info h4 { font-size: 1em; margin-bottom: 8px; }
.project-info p { font-size: 0.85em; color: var(--text-secondary); margin-bottom: 12px; }
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.project-tags span {
  padding: 3px 10px; font-size: 0.75em;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 50px; color: var(--primary-light);
}

/* ===== CONTACT ===== */
.contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}
.contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-card {
  padding: 20px; background: var(--bg-card);
  border-radius: var(--radius); border: 1px solid var(--border);
  text-align: center; transition: all var(--transition);
}
.contact-card:hover {
  border-color: var(--border-hover); transform: translateY(-2px);
}
.contact-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 1.2em; color: var(--primary-light);
}
.contact-card h4 { font-size: 0.95em; margin-bottom: 6px; }
.contact-card p { font-size: 0.85em; color: var(--text-secondary); margin-bottom: 10px; }
.contact-link {
  font-size: 0.82em; color: var(--primary-light); font-weight: 500;
  transition: all var(--transition);
}
.contact-link:hover { color: var(--primary); }
.contact-form {
  padding: 32px; background: var(--bg-card);
  border-radius: var(--radius); border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 1.2em; margin-bottom: 24px;
  display: flex; align-items: center; gap: 8px;
}
.form-group {
  position: relative; margin-bottom: 18px;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.95em;
  font-family: inherit; transition: all var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.04);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-focus {
  position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--primary);
  transition: width var(--transition);
}
.form-group input:focus ~ .form-focus,
.form-group textarea:focus ~ .form-focus { width: 80%; }
.btn-submit {
  width: 100%; justify-content: center; padding: 14px;
  font-size: 1em;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 24px; background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.footer-content {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-brand h3 { font-size: 1.4em; margin-bottom: 8px; }
.footer-brand p { font-size: 0.9em; color: var(--text-secondary); }
.footer h4 {
  font-size: 0.9em; margin-bottom: 16px;
  color: var(--text-primary); font-weight: 600;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.88em; color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); border: 1px solid var(--border);
  transition: all var(--transition); font-size: 1em;
}
.social-links a:hover {
  color: var(--text-primary); border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1); transform: translateY(-2px);
}
.footer-bottom {
  text-align: center; padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  font-size: 0.85em; color: var(--text-muted);
}
.footer-bottom i { color: #ef4444; }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gradient-btn); color: white; border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1em; box-shadow: 0 4px 16px var(--primary-glow);
  cursor: pointer; opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}
.back-to-top.visible {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px var(--primary-glow);
}

/* ===== FADE IN ANIMATION ===== */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-content .hero-text { order: 2; }
  .hero-content .hero-image { order: 1; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-social { justify-content: center; }
  .hero-img-wrap { width: 240px; height: 240px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-img-frame img { height: 350px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; top: 0; right: -100%; width: 260px; height: 100vh;
    background: rgba(10, 14, 23, 0.98); backdrop-filter: blur(16px);
    flex-direction: column; padding: 80px 24px 24px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0,0,0,0.4);
  }
  .nav-menu.active { right: 0; }
  .nav-toggle { display: flex; }
  .section { padding: 60px 0; }
  .hero-name { font-size: 2.2em; }
  .section-title { font-size: 1.8em; }
  .about-info { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-info { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 1.8em; }
  .hero-img-wrap { width: 180px; height: 180px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}