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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

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

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

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

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

.btn-white:hover {
    background: var(--bg-alt);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-nav {
    padding: 10px 20px;
    font-size: 14px;
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary);
}

.logo:hover {
    color: var(--secondary);
}

.logo-icon {
    color: var(--primary);
    font-size: 24px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    transition: color 0.2s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: 0.3s;
}

/* === Hero === */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--secondary);
    margin-bottom: 24px;
}

.highlight {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

/* === Section Headers === */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* === Services Preview === */
.services-preview {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.service-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s ease;
}

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

.service-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

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

.services-cta {
    text-align: center;
}

/* === Why Us === */
.why-us {
    padding: 100px 0;
    background: var(--bg-alt);
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.why-us-content h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.why-us-intro {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.why-us-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.why-us-list li {
    display: flex;
    gap: 16px;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.why-us-list strong {
    display: block;
    font-size: 17px;
    color: var(--secondary);
    margin-bottom: 4px;
}

.why-us-list p {
    font-size: 15px;
    color: var(--text-light);
}

.why-us-image {
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: float 3s ease-in-out infinite;
}

.floating-card span {
    font-size: 20px;
}

.card-1 {
    top: 40px;
    left: -20px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -30px;
    animation-delay: 1s;
}

.card-3 {
    bottom: 60px;
    left: 40px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* === CTA Section === */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-content {
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === Footer === */
.footer {
    background: var(--bg-dark);
    padding: 80px 0 32px;
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-lighter);
    font-size: 15px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-lighter);
    font-size: 15px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: var(--text-lighter);
    font-size: 15px;
    margin-bottom: 12px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-lighter);
    font-size: 14px;
}

/* === Page Headers === */
.page-header {
    padding: 140px 0 60px;
    background: var(--bg-alt);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* === Services Page === */
.services-detail {
    padding: 80px 0;
}

.service-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}

.service-detail-item:last-child {
    border-bottom: none;
}

.service-detail-item:nth-child(even) {
    direction: rtl;
}

.service-detail-item:nth-child(even) > * {
    direction: ltr;
}

.service-detail-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.service-detail-content p {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 12px;
}

.service-features li::before {
    content: "✓";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
}

.service-visual {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    height: 300px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
}

/* === Pricing Page === */
.pricing-section {
    padding: 80px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pricing-card {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

.pricing-card .price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.pricing-card .price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-light);
}

.pricing-card .price-note {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
    color: var(--text);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: "✓";
    color: var(--success);
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
}

/* === About Page === */
.about-section {
    padding: 80px 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 24px;
    margin-top: 48px;
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.value-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-alt);
    border-radius: var(--radius);
}

.value-card .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 8px;
}

.value-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* === Contact Page === */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-method .icon {
    font-size: 24px;
    width: 50px;
    height: 50px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-method h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 4px;
}

.contact-method p {
    font-size: 15px;
    color: var(--text-light);
}

.contact-form {
    background: var(--bg-alt);
    padding: 40px;
    border-radius: var(--radius);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: white;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

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

.contact-form .btn {
    width: 100%;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .why-us-image {
        order: -1;
    }
    
    .image-placeholder {
        height: 250px;
    }
    
    .service-detail-item {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .service-detail-item:nth-child(even) {
        direction: ltr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .page-header h1 {
        font-size: 32px;
    }
}