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

:root {
    --primary-color: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --secondary-color: #1E293B;
    --accent-color: #10B981;
    --text-color: #334155;
    --text-light: #64748B;
    --bg-color: #FFFFFF;
    --bg-gray: #F8FAFC;
    --bg-dark: #0F172A;
    --border-color: #E2E8F0;
    --gradient-1: linear-gradient(135deg, #3B82F6 0%, #10B981 100%);
    --gradient-2: linear-gradient(135deg, #6366F1 0%, #3B82F6 100%);
    --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: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--secondary-color);
}

.logo-accent {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-link.btn-primary {
    color: white;
    padding: 10px 20px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-gray) 0%, white 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 50%;
    height: 150%;
    background: var(--gradient-1);
    opacity: 0.1;
    transform: rotate(45deg);
    z-index: -1;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--bg-color);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Why Us Section */
.why-us {
    padding: 80px 0;
    background: var(--bg-gray);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.why-us-item {
    position: relative;
    padding-left: 3rem;
}

.why-us-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.2;
}

.why-us-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.why-us-item p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: var(--bg-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.testimonial-content {
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: var(--bg-dark);
    color: white;
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.cta-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
}

.cta-form input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.cta-form input:focus {
    outline: none;
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.15);
}

.cta-disclaimer {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Footer */
.footer {
    background: var(--bg-gray);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.social-links a {
    width: 36px;
    height: 36px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: scale(1.1);
}

.social-links svg {
    width: 18px;
    height: 18px;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

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

    .cta-form input,
    .cta-form button {
        width: 100%;
    }

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

    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .testimonial-card {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.service-card,
.testimonial-card,
.why-us-item {
    animation: fadeIn 0.6s ease forwards;
}

.service-card:nth-child(2),
.testimonial-card:nth-child(2) {
    animation-delay: 0.1s;
}

.service-card:nth-child(3),
.testimonial-card:nth-child(3) {
    animation-delay: 0.2s;
}

.service-card:nth-child(4) {
    animation-delay: 0.3s;
}

.service-card:nth-child(5) {
    animation-delay: 0.4s;
}

.service-card:nth-child(6) {
    animation-delay: 0.5s;
}

/* Accessibility Improvements */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus Styles */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus {
    outline-offset: 4px;
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}