/* ===== CSS Variables ===== */
:root {
  --primary: #7c7bff;
  --secondary: #9b5ef7;
  --surface: #050915;
  --surface-light: #0f172a;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-glow: none;
  --transition: 0.2s ease;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-arabic: 'Cairo', sans-serif;
}

/* Light theme */
html.light {
  --primary: #6366f1;
  --secondary: #8b5cf6;
  --surface: #f8fafc;
  --surface-light: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* RTL Support */
html[dir="rtl"] body {
  font-family: var(--font-arabic), var(--font-sans);
}

html[dir="rtl"] {
  direction: rtl;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 9, 21, 0.8);
  
  -webkit-
  border-bottom: 1px solid var(--glass-border);
}

html.light .header {
  background: rgba(248, 250, 252, 0.8);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-glow);
  color: white;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.logo-name {
  font-weight: 700;
  font-size: 1.125rem;
}

/* Navigation */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-glass {
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-glass:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-theme .icon-moon,
.btn-theme .icon-sun {
  width: 20px;
  height: 20px;
}

.btn-menu {
  display: flex;
}

@media (min-width: 768px) {
  .btn-menu {
    display: none;
  }
}

/* Mobile Navigation */
.nav-mobile {
  padding: 0 1rem 1rem;
}

.nav-mobile-inner {
  border-radius: 1rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ===== Hero Section ===== */
.hero-section {
  padding: 3rem 1rem;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 4rem 1rem;
  }
}

.hero-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  border-radius: 1.5rem;
  background: linear-gradient(135deg, #0f172a 0%, #111827 50%, #0b1221 100%);
  border: 1px solid var(--glass-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-shell {
    padding: 3.5rem 2.5rem;
  }
}

/* Hero Glow Effects */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  
  z-index: -1;
  pointer-events: none;
}

.glow-1 {
  width: 16rem;
  height: 16rem;
  background: rgba(124, 123, 255, 0.3);
  top: 12%;
  left: 18%;
}

.glow-2 {
  width: 18rem;
  height: 18rem;
  background: rgba(155, 94, 247, 0.25);
  bottom: 12%;
  right: 14%;
}

/* Hero Grid */
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Hero Content */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  
  -webkit-
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: var(--primary);
  width: fit-content;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: #f8fafc;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-role {
  font-size: 1.125rem;
  font-weight: 600;
  color: #cbd5e1;
}

@media (min-width: 768px) {
  .hero-role {
    font-size: 1.25rem;
  }
}

.hero-desc {
  color: #cbd5e1;
  max-width: 40rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-primary {
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-weight: 600;
  color: white;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(124, 123, 255, 0.4);
}

.btn-secondary {
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  
  -webkit-
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
  color: #f8fafc;
  transition: all var(--transition);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Hero Card */
.hero-card {
  border-radius: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  
  -webkit-
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.hero-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent, rgba(124,123,255,0.1));
  pointer-events: none;
}

.hero-card-content {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero-avatar {
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  overflow: hidden;
  background: white;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-glow);
}

@media (min-width: 768px) {
  .hero-avatar {
    width: 14rem;
    height: 14rem;
  }
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f8fafc;
}

@media (min-width: 768px) {
  .hero-card-title {
    font-size: 1.5rem;
  }
}

.hero-chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.chip {
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  
  -webkit-
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: #e2e8f0;
  transition: transform var(--transition);
}

.chip:hover {
  transform: scale(1.02);
}

/* ===== Section Styles ===== */
.section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.section-line {
  width: 4rem;
  height: 4px;
  border-radius: 9999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.section-title {
  font-size: 1.875rem;
  font-weight: 700;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 48rem;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  gap: 1.5rem;
}

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

.about-text {
  border-radius: 1rem;
  padding: 1.5rem;
  line-height: 1.7;
}

.about-info {
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.info-icon {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.info-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.info-value {
  display: block;
  font-weight: 600;
  font-size: 1.125rem;
}

.info-sub {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== Services Section ===== */
.services-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: rgba(124, 123, 255, 0.15);
  color: var(--primary);
  display: grid;
  place-items: center;
}

.service-title {
  font-weight: 600;
  font-size: 1.125rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form-wrapper {
  border-radius: 1rem;
  padding: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 123, 255, 0.2);
}

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

.form-group select option {
  background: var(--surface);
}

.btn-submit {
  width: 100%;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  font-weight: 600;
  color: white;
  font-size: 1rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-glow);
}

.btn-submit:hover {
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.form-status {
  font-size: 0.875rem;
  text-align: center;
}

.form-status.success {
  color: #4ade80;
}

.form-status.error {
  color: #f87171;
}

.contact-info {
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  background: rgba(124, 123, 255, 0.15);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.contact-value {
  display: block;
  font-weight: 600;
  font-size: 1.125rem;
}

.social-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 0.75rem;
  display: grid;
  place-items: center;
  transition: all var(--transition);
}

.social-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(5, 9, 21, 0.8);
  
  -webkit-
}

html.light .footer {
  background: rgba(248, 250, 252, 0.8);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

.footer-links {
  display: flex;
  gap: 1rem;
}

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

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

/* ===== Floating WhatsApp Button ===== */
.floating-wa {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #0b0f1d;
  display: grid;
  place-items: center;
  color: #25D366;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), 0 0 22px rgba(37, 211, 102, 0.18);
  border: 1px solid rgba(37, 211, 102, 0.25);
  transition: all var(--transition);
}

.floating-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(37, 211, 102, 0.3);
}

/* ===== Portfolio Section ===== */
.portfolio-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.portfolio-card {
  border-radius: 1.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.portfolio-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--surface-light), var(--surface));
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-embed {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: var(--surface-light);
}

.portfolio-embed iframe {
  width: 200%;
  height: 200%;
  border: none;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
}

html[dir="rtl"] .portfolio-embed iframe {
  transform-origin: top right;
  right: 0;
  position: absolute;
}

.portfolio-embed-overlay {
  position: absolute;
  inset: 0;
  cursor: pointer;
}

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  background: linear-gradient(135deg, rgba(124, 123, 255, 0.1), rgba(155, 94, 247, 0.1));
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}

.portfolio-placeholder:hover {
  background: linear-gradient(135deg, rgba(124, 123, 255, 0.2), rgba(155, 94, 247, 0.2));
  transform: scale(1.02);
}

.portfolio-placeholder span {
  font-weight: 600;
  font-size: 1.125rem;
}

.placeholder-hint {
  font-size: 0.875rem !important;
  font-weight: 400 !important;
  opacity: 0.7;
}

.portfolio-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.portfolio-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background: rgba(124, 123, 255, 0.15);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
}

.portfolio-features {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.portfolio-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.portfolio-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 600;
  flex-shrink: 0;
}

.portfolio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn-sm {
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-sm svg {
  flex-shrink: 0;
}

/* ===== Case Study Page Styles ===== */
.case-study-hero {
  padding: 4rem 1rem 3rem;
  background: linear-gradient(135deg, #0f172a 0%, #111827 50%, #0b1221 100%);
  border-bottom: 1px solid var(--glass-border);
}

.case-study-hero .container {
  max-width: 900px;
}

.case-study-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  transition: color var(--transition);
}

.case-study-back:hover {
  color: var(--primary);
}

.case-study-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .case-study-title {
    font-size: 3rem;
  }
}

.case-study-subtitle {
  font-size: 1.25rem;
  color: #cbd5e1;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.case-study-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.case-study-section {
  margin-bottom: 3rem;
}

.case-study-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.case-study-section h2 svg {
  color: var(--primary);
}

.case-study-section p {
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 1.0625rem;
}

.case-study-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.case-study-section li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text);
  line-height: 1.6;
}

.case-study-section li svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.case-study-tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.case-study-tech-item {
  padding: 1rem;
  border-radius: 1rem;
  text-align: center;
}

.case-study-tech-item svg {
  width: 32px;
  height: 32px;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.case-study-tech-item span {
  display: block;
  font-weight: 600;
}

.case-study-cta {
  padding: 3rem 1rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(124, 123, 255, 0.1), rgba(155, 94, 247, 0.1));
  border-top: 1px solid var(--glass-border);
}

.case-study-cta h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.case-study-cta p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Scroll Animation Observer ===== */
.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive adjustments ===== */
@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-avatar {
    width: 10rem;
    height: 10rem;
  }
  
  .hero-chips {
    gap: 0.5rem;
  }
  
  .chip {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
  }
}