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

:root {
  color-scheme: light;
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --accent: #0ea5e9;
  --text: #1f2937;
  --text-light: #374151;
  --muted: #6b7280;
  --muted-light: #9ca3af;
  --bg: #ffffff;
  --bg-alt: #f9fafb;
  --card: #ffffff;
  --border: #e5e7eb;
  --success: #059669;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.container {
  width: min(1200px, 94%);
  margin: 0 auto;
}

/* Header */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  gap: 2rem;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.logo:hover {
  opacity: 0.9;
}

.logo img {
  height: 150px;
  width: auto;
  object-fit: contain;
  display: block;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

@media (max-width: 768px) {
  .logo img {
    height: 55px;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 45px;
  }
}

.nav {
  display: flex;
  gap: 2rem;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  padding: 0.5rem;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  padding: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}

.mobile-nav a:hover {
  color: var(--primary);
}

.cta-button,
.secondary-button {
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 0.95rem;
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.cta-button {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(30, 64, 175, 0.3);
}

.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(30, 64, 175, 0.4);
}

.cta-button:active {
  transform: translateY(0);
}

.secondary-button {
  border: 2px solid var(--border);
  background: #ffffff;
  color: var(--text);
}

.secondary-button:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.header-cta {
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-content h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text);
  letter-spacing: -1px;
}

.hero-content .lead {
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-content .lead strong {
  color: var(--text);
  font-weight: 600;
}

.hero-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.benefit-item {
  background: #eff6ff;
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.primary-cta {
  font-size: 1.05rem;
  padding: 1rem 2rem;
}

.trust-indicator {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* Social Proof */
.social-proof {
  padding: 3rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.proof-stat {
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

/* Sections */
.section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
  letter-spacing: -0.5px;
}

.section-intro {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.section-cta {
  text-align: center;
  margin-top: 3rem;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.card p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-features li {
  color: var(--muted);
  font-size: 0.9rem;
  padding-left: 1.5rem;
  position: relative;
}

.card-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* Benefits */
.benefits-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 2rem;
}

.benefit-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.benefit-card p {
  color: var(--muted);
  line-height: 1.7;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 2rem;
}

.testimonial {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.testimonial-rating {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-author strong {
  color: var(--text);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
  background: linear-gradient(180deg, var(--bg-alt) 0%, #ffffff 100%);
}

.contact-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.contact-wrapper {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.contact-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.contact-benefits li {
  color: var(--muted);
  font-size: 1.05rem;
  padding-left: 0;
}

.contact-details {
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

.contact-details p {
  color: var(--muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.contact-details p:last-child {
  margin-bottom: 0;
}

.contact-details strong {
  color: var(--text);
}

.contact-form {
  background: var(--card);
  padding: 2.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  font: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  background: var(--bg);
  color: var(--text);
}

.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(30, 64, 175, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
  font-size: 1.05rem;
  padding: 1rem;
}

.form-privacy {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 1rem;
}

.form-message {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  display: none;
}

.form-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #10b981;
}

.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #ef4444;
}

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

.btn-loader {
  display: inline-block;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 4rem 0 0;
}

.footer-inner {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 2rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  -webkit-text-fill-color: #ffffff;
  background: none;
  margin-bottom: 1rem;
  display: block;
}

.footer-brand .logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
  display: block;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
}

@media (max-width: 768px) {
  .footer-brand .logo img {
    height: 50px;
  }
}

.footer-brand p {
  color: #94a3b8;
  line-height: 1.7;
}

.footer-column h4 {
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

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

.footer-column a {
  color: #94a3b8;
  transition: color 0.2s ease;
}

.footer-column a:hover {
  color: #ffffff;
}

.footer-cta {
  display: inline-block;
  background: var(--primary);
  color: #ffffff !important;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-align: center;
}

.footer-cta:hover {
  background: var(--primary-dark);
}

.footer-contact {
  color: #94a3b8;
  font-size: 0.9rem;
  margin: 0.5rem 0;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding: 2rem 0;
  text-align: center;
}

.footer-bottom p {
  color: #64748b;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-benefits {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-cta,
  .secondary-button {
    width: 100%;
  }

  .section {
    padding: 3rem 0;
  }

  .card-grid,
  .benefits-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .proof-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Portfolio Page Styles */
.portfolio-hero {
  padding: 4rem 0 3rem;
}

.portfolio-header {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: center;
}

.portfolio-intro h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}

.portfolio-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text);
  font-weight: 500;
  transition: all 0.2s ease;
}

.contact-link:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.portfolio-badge {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.badge-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.badge-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 0.75rem;
  flex-shrink: 0;
}

.badge-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.badge-text strong {
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
}

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

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  gap: 2rem;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 60px;
  bottom: -2rem;
  width: 2px;
  background: var(--border);
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  font-size: 1.5rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline-content {
  flex: 1;
  padding-top: 0.5rem;
}

.timeline-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.timeline-meta {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.timeline-content p {
  color: var(--muted);
  line-height: 1.7;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 2rem;
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.project-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.project-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.project-type {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: block;
}

.project-card p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.375rem 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

/* Skills Grid */
.skills-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 2rem;
}

.skill-category {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.skill-category h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-list li {
  color: var(--muted);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.6;
}

.skill-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* Focus Grid */
.focus-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2rem;
}

.focus-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.focus-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.focus-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.focus-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.focus-card p {
  color: var(--muted);
  line-height: 1.7;
}

.contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Social Links */
.social-links {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.social-links h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
  text-align: center;
}

.social-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.social-btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  border: 2px solid var(--border);
  background: var(--card);
  color: var(--text);
}

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

.social-btn.linkedin {
  border-color: #0077b5;
  color: #0077b5;
}

.social-btn.linkedin:hover {
  background: #0077b5;
  color: #ffffff;
}

.social-btn.whatsapp {
  border-color: #25d366;
  color: #25d366;
}

.social-btn.whatsapp:hover {
  background: #25d366;
  color: #ffffff;
}

.social-btn.whatsapp-group {
  border-color: #25d366;
  color: #25d366;
}

.social-btn.whatsapp-group:hover {
  background: #25d366;
  color: #ffffff;
}

.footer-social {
  margin-top: 1rem;
}

.footer-social .social-link {
  display: block;
  color: #94a3b8;
  margin: 0.5rem 0;
  transition: color 0.2s ease;
}

.footer-social .social-link:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .portfolio-header {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    flex-direction: column;
  }

  .timeline-item::before {
    display: none;
  }

  .timeline-icon {
    align-self: flex-start;
  }

  .projects-grid,
  .skills-grid,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .contact-cta {
    flex-direction: column;
  }

  .contact-cta .cta-button,
  .contact-cta .secondary-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    width: 92%;
  }

  .proof-stats {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2rem;
  }
}