/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #E4E4E7;
    background-color: #000000;
    transition: all 0.3s ease;
    overflow-x: hidden;
}

/* Light Mode */
body.light {
    color: #111827;
    background-color: #F8F9FA;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Animation Classes */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

[data-animate].animate {
    opacity: 1;
    transform: translateY(0);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: inherit;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

.lead {
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #00FEFC;
    color: #000000;
}

.btn-primary:hover {
    background: #00BABC;
    transform: scale(1.05);
}

.btn-secondary {
    background: transparent;
    color: #E4E4E7;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #00FEFC;
}

body.light .btn-secondary {
    color: #111827;
    border-color: rgba(0, 0, 0, 0.08);
}

body.light .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.05);
    border-color: #00A2A1;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

body.light .nav {
    background: rgba(248, 249, 250, 0.9);
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo h3 {
    background: linear-gradient(135deg, #00FEFC, #00BABC);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: #E4E4E7;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #00FEFC;
}

body.light .nav-link {
    color: #111827;
}

body.light .nav-link:hover {
    color: #00A2A1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle,
.mobile-menu-toggle {
    background: none;
    border: none;
    color: #E4E4E7;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.theme-toggle:hover,
.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #00FEFC;
}

body.light .theme-toggle,
body.light .mobile-menu-toggle {
    color: #111827;
}

body.light .theme-toggle:hover,
body.light .mobile-menu-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #00A2A1;
}

.mobile-menu-toggle {
    display: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(0, 254, 252, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 254, 252, 0.05) 0%, transparent 50%);
    animation: float 6s ease-in-out infinite;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 1200px;
    padding: 0 1rem;
}

.hero-title {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #00FEFC, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #A1A1AA;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.7s both;
}

body.light .hero-subtitle {
    color: #6B7280;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.9s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    animation: fadeInUp 1s ease 1.1s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #00FEFC;
}

.stat-label {
    font-size: 0.875rem;
    color: #A1A1AA;
}

body.light .stat-label {
    color: #6B7280;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: #00FEFC;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #00FEFC;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

body.light .section-subtitle {
    color: #00A2A1;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: #A1A1AA;
    max-width: 600px;
    margin: 0 auto;
}

body.light .section-description {
    color: #6B7280;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 254, 252, 0.02) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-intro {
    margin-bottom: 2rem;
}

.about-highlights {
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.highlight-item i {
    color: #00FEFC;
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

body.light .highlight-item i {
    color: #00A2A1;
}

.highlight-item h4 {
    margin-bottom: 0.5rem;
}

.about-vision h3 {
    margin-bottom: 1rem;
}

.about-visual {
    position: relative;
}

.floating-card {
    background: #111111;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.floating-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 48px rgba(0, 254, 252, 0.15);
}

body.light .floating-card {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.08);
}

.floating-card:nth-child(2) {
    animation-delay: -1s;
}

.floating-card:nth-child(3) {
    animation-delay: -2s;
}

.card-content i {
    color: #00FEFC;
    font-size: 2rem;
    margin-bottom: 1rem;
}

body.light .card-content i {
    color: #00A2A1;
}

/* Services Section */
.services {
    padding: 6rem 0;
}

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

.service-card {
    background: #111111;
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00FEFC, transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.service-card:hover::before {
    transform: translateX(0);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 48px rgba(0, 254, 252, 0.15);
}

body.light .service-card {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.08);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 254, 252, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: #00FEFC;
}

body.light .service-icon i {
    color: #00A2A1;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: #A1A1AA;
    margin-bottom: 1.5rem;
}

body.light .service-card p {
    color: #6B7280;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    color: #A1A1AA;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00FEFC;
    font-weight: bold;
}

body.light .service-features li {
    color: #6B7280;
}

body.light .service-features li::before {
    color: #00A2A1;
}

/* Why Choose Section */
.why-choose {
    padding: 6rem 0;
    background: linear-gradient(180deg, rgba(0, 254, 252, 0.02) 0%, transparent 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 254, 252, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.advantage-icon i {
    font-size: 2rem;
    color: #00FEFC;
}

body.light .advantage-icon i {
    color: #00A2A1;
}

.advantage-item:hover .advantage-icon {
    background: #00FEFC;
    transform: scale(1.1);
}

.advantage-item:hover .advantage-icon i {
    color: #000000;
}

/* Portfolio Section */
.portfolio {
    padding: 6rem 0;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #A1A1AA;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: #00FEFC;
    color: #000000;
    border-color: #00FEFC;
}

body.light .filter-btn {
    color: #6B7280;
    border-color: rgba(0, 0, 0, 0.08);
}

body.light .filter-btn.active,
body.light .filter-btn:hover {
    color: #000000;
}

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

.portfolio-item {
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
}

.portfolio-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 254, 252, 0.9), rgba(0, 186, 188, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: #000000;
    padding: 2rem;
}

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

.portfolio-overlay h4 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.portfolio-overlay p {
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.portfolio-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    color: #000000;
    text-decoration: none;
    transition: all 0.3s ease;
}

.portfolio-link:hover {
    background: rgba(0, 0, 0, 0.3);
    transform: scale(1.1);
}

/* Process Section */
.process {
    padding: 6rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 254, 252, 0.02) 100%);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00FEFC, #00BABC);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000000;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 1rem;
}

.step-content p {
    color: #A1A1AA;
    margin-bottom: 1rem;
}

body.light .step-content p {
    color: #6B7280;
}

.step-content ul {
    list-style: none;
    padding-left: 0;
}

.step-content li {
    padding: 0.5rem 0;
    color: #A1A1AA;
    position: relative;
    padding-left: 1.5rem;
}

.step-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #00FEFC;
    font-weight: bold;
}

body.light .step-content li {
    color: #6B7280;
}

body.light .step-content li::before {
    color: #00A2A1;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
}

.testimonials-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-item {
    min-width: 100%;
    padding: 2rem;
}

.testimonial-content {
    background: #111111;
    border-radius: 12px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    position: relative;
}

body.light .testimonial-content {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.08);
}

.testimonial-quote {
    color: #00FEFC;
    font-size: 3rem;
    margin-bottom: 1rem;
}

body.light .testimonial-quote {
    color: #00A2A1;
}

.testimonial-text {
    font-size: 1.125rem;
    color: #A1A1AA;
    margin-bottom: 2rem;
    line-height: 1.7;
}

body.light .testimonial-text {
    color: #6B7280;
}

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

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h5 {
    margin-bottom: 0.25rem;
}

.author-info span {
    color: #A1A1AA;
    font-size: 0.875rem;
}

body.light .author-info span {
    color: #6B7280;
}

.testimonial-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.testimonial-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #E4E4E7;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.testimonial-btn:hover {
    background: #00FEFC;
    color: #000000;
}

body.light .testimonial-btn {
    color: #111827;
    background: rgba(0, 0, 0, 0.08);
}

body.light .testimonial-btn:hover {
    color: #000000;
}

.testimonial-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #00FEFC;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: linear-gradient(180deg, rgba(0, 254, 252, 0.02) 0%, transparent 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-description {
    font-size: 1.125rem;
    color: #A1A1AA;
    margin-bottom: 2rem;
}

body.light .contact-description {
    color: #6B7280;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-method i {
    color: #00FEFC;
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

body.light .contact-method i {
    color: #00A2A1;
}

.contact-method h4 {
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: #A1A1AA;
}

body.light .contact-method p {
    color: #6B7280;
}

.contact-cta {
    text-align: left;
}

.cta-note {
    margin-top: 0.5rem;
    color: #A1A1AA;
    font-size: 0.875rem;
}

body.light .cta-note {
    color: #6B7280;
}

/* Contact Form */
.contact-form-container {
    background: #111111;
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light .contact-form-container {
    background: #FFFFFF;
    border-color: rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #E4E4E7;
    font-size: 1rem;
    transition: all 0.3s ease;
}

body.light .form-group input,
body.light .form-group select,
body.light .form-group textarea {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: #111827;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #00FEFC;
    box-shadow: 0 0 0 3px rgba(0, 254, 252, 0.1);
}

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

/* Footer */
.footer {
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.5);
}

body.light .footer {
    background: rgba(0, 0, 0, 0.02);
    border-top-color: rgba(0, 0, 0, 0.08);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    background: linear-gradient(135deg, #00FEFC, #00BABC);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #A1A1AA;
    margin-bottom: 1.5rem;
}

body.light .footer-brand p {
    color: #6B7280;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #E4E4E7;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #00FEFC;
    color: #000000;
    transform: translateY(-2px);
}

body.light .social-links a {
    color: #111827;
    background: rgba(0, 0, 0, 0.08);
}

body.light .social-links a:hover {
    color: #000000;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: #00FEFC;
}

body.light .footer-column h4 {
    color: #00A2A1;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #A1A1AA;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #00FEFC;
}

body.light .footer-column a {
    color: #6B7280;
}

body.light .footer-column a:hover {
    color: #00A2A1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #A1A1AA;
}

body.light .footer-bottom {
    border-top-color: rgba(0, 0, 0, 0.08);
    color: #6B7280;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        min-height: 100vh;
        padding: 2rem 0;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .about,
    .services,
    .why-choose,
    .portfolio,
    .process,
    .testimonials,
    .contact {
        padding: 4rem 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    .service-card,
    .advantage-item {
        padding: 1.5rem;
    }
    
    .testimonial-content {
        padding: 2rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* Smooth scroll offset for fixed nav */
section {
    scroll-margin-top: 80px;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Focus styles for accessibility */
.btn:focus,
input:focus,
select:focus,
textarea:focus,
.nav-link:focus {
    outline: 2px solid #00FEFC;
    outline-offset: 2px;
}

body.light .btn:focus,
body.light input:focus,
body.light select:focus,
body.light textarea:focus,
body.light .nav-link:focus {
    outline-color: #00A2A1;
}