/* port.css - Portfolio Page Styles with Enhanced Navbar & Footer */

:root {
    --primary-blue: #2563eb;
    --dark-blue: #1e40af;
    --electric-blue: #3b82f6;
    --cyan: #06b6d4;
    --purple: #7c3aed;
    --pink: #ec4899;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
}

/* ===== ENHANCED NAVBAR BACKGROUND ===== */
.nav-glass {
    background: linear-gradient(135deg, 
        rgba(30, 58, 138, 0.95) 0%, 
        rgba(37, 99, 235, 0.92) 25%, 
        rgba(124, 58, 237, 0.90) 50%, 
        rgba(6, 182, 212, 0.92) 75%, 
        rgba(30, 58, 138, 0.95) 100%);
    backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-glass.scrolled {
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.98) 0%, 
        rgba(30, 58, 138, 0.96) 50%, 
        rgba(37, 99, 235, 0.95) 100%);
    backdrop-filter: blur(30px) saturate(200%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Enhanced Logo Container */
.logo-container {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.9) 0%, 
        rgba(6, 182, 212, 0.9) 50%, 
        rgba(139, 92, 246, 0.9) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 25px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.logo-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.6s ease;
}

.logo-container:hover::before {
    left: 100%;
}

.logo-inner {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo-tagline {
    font-size: 0.75rem;
    background: linear-gradient(135deg, #cbd5e1 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 500;
    margin-top: -2px;
}

/* Enhanced Navigation Links */
.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem 0;
    font-size: 1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        #7dd3fc 0%, 
        #38bdf8 50%, 
        #06b6d4 100%);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(125, 211, 252, 0.4);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: #7dd3fc;
    transform: translateY(-1px);
    text-shadow: 0 2px 8px rgba(125, 211, 252, 0.4);
}

.nav-cta-button {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(20px);
    color: var(--white);
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 25px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.6s ease;
}

.nav-cta-button:hover::before {
    left: 100%;
}

.nav-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 15px 35px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 100%);
}

/* Enhanced Mobile Menu */
.mobile-menu-glass {
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.98) 0%, 
        rgba(30, 58, 138, 0.97) 50%, 
        rgba(37, 99, 235, 0.96) 100%);
    backdrop-filter: blur(30px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
    border: 1px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.3) 0%, 
        rgba(6, 182, 212, 0.3) 100%);
    color: var(--white);
    transform: translateX(8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.mobile-nav-cta {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.1) 100%);
    color: var(--white);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
}

.mobile-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 100%);
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Portfolio Hero Section */
.portfolio-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--purple) 50%, var(--cyan) 100%);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.portfolio-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.portfolio-hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 36rem;
    margin: 0 auto;
    line-height: 1.6;
}

/* Portfolio Filters */
.portfolio-filters {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

.filters-container {
    text-align: center;
}

.filters-header {
    margin-bottom: 3rem;
}

.filters-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.filters-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 36rem;
    margin: 0 auto;
}

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

.filter-btn {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    color: var(--gray-700);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-btn:hover {
    border-color: var(--electric-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--electric-blue), var(--cyan));
    border-color: transparent;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

/* Portfolio Grid */
.portfolio-grid-section {
    background: var(--gray-50);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.portfolio-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--gray-200);
    opacity: 0;
    transform: translateY(30px);
}

.portfolio-item.show {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 3rem;
    transition: all 0.3s ease;
}

.image-placeholder.design {
    background: linear-gradient(135deg, #f3e8ff, #e9d5ff);
}

.image-placeholder.network {
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
}

.image-placeholder.ecommerce {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.image-placeholder.support {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.image-placeholder span {
    font-size: 1rem;
    margin-top: 1rem;
    font-weight: 600;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    width: 3rem;
    height: 3rem;
    background: var(--white);
    border: none;
    border-radius: 50%;
    color: var(--gray-700);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background: var(--electric-blue);
    color: var(--white);
    transform: scale(1.1);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-category {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.portfolio-description {
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.portfolio-meta {
    display: flex;
    gap: 1.5rem;
    border-top: 1px solid var(--gray-200);
    padding-top: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.meta-item i {
    font-size: 0.75rem;
}

/* Load More Button */
.load-more-container {
    text-align: center;
}

.load-more-btn {
    background: var(--white);
    color: var(--electric-blue);
    border: 2px solid var(--electric-blue);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    background: var(--electric-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

/* Portfolio Stats */
.portfolio-stats {
    background: var(--white);
}

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

.stat-card {
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--electric-blue), var(--cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* Testimonials */
.portfolio-testimonials {
    background: var(--gray-50);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.6;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-text {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
    flex: 1;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 3rem;
    height: 3rem;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
}

.author-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* CTA Section */
.portfolio-cta {
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--cyan) 100%);
    color: var(--white);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.cta-button.primary {
    background: var(--white);
    color: var(--electric-blue);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
    border: 2px solid var(--white);
    color: var(--white);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ===== ENHANCED FOOTER BACKGROUND ===== */
.footer-main {
    background: linear-gradient(135deg, 
        #0f172a 0%, 
        #1e293b 25%, 
        #334155 50%, 
        #475569 75%, 
        #64748b 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.footer-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-logo {
    display: flex;
    align-items: center;
    space-x: 1rem;
    margin-bottom: 1.5rem;
}

.footer-logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: #cbd5e1;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.footer-description {
    color: #94a3b8;
    line-height: 1.6;
    max-width: 24rem;
}

.footer-heading {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0.5rem;
}

.footer-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--electric-blue));
    transition: width 0.3s ease;
}

.footer-link:hover {
    color: #e2e8f0;
    padding-left: 1rem;
}

.footer-link:hover::before {
    width: 0.5rem;
}

.contact-info {
    space-y: 1rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #94a3b8;
    transition: color 0.3s ease;
}

.contact-item:hover {
    color: #e2e8f0;
}

.contact-item i {
    color: var(--cyan);
    width: 1rem;
    transition: transform 0.3s ease;
}

.contact-item:hover i {
    transform: scale(1.1);
}

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

.social-link {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.6s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    background: linear-gradient(135deg, 
        var(--electric-blue) 0%, 
        var(--cyan) 100%);
    color: var(--white);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 
        0 8px 25px rgba(59, 130, 246, 0.4),
        0 4px 15px rgba(59, 130, 246, 0.3);
    border-color: transparent;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: center;
    color: #64748b;
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--cyan), 
        var(--electric-blue), 
        transparent);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-hero-title {
        font-size: 2.5rem;
    }
    
    .filters-title {
        font-size: 2rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}