/* Base Styles */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-secondary: #4a5568;
    --color-accent: #3182ce;
    --color-background: #ffffff;
    --color-surface: #f7fafc;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-border: #e2e8f0;
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --border-radius: 8px;
    --transition: 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

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

h1, h2, h3, h4 {
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--spacing-sm);
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

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

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

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

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

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

.btn-light:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

/* Header */
.site-header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-list a {
    color: var(--color-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

.nav-list a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-accent);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-hero h1 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.page-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.page-hero-small {
    padding: var(--spacing-lg) 0;
}

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-accent);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* About Preview */
.about-preview {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.about-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-preview-image img {
    border-radius: var(--border-radius);
}

.about-preview-content h2 {
    margin-bottom: var(--spacing-md);
}

/* Services Preview */
.services-preview {
    padding: var(--spacing-xl) 0;
}

.services-preview h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-content {
    padding: var(--spacing-md);
}

.service-card-content h3 {
    margin-bottom: var(--spacing-xs);
}

.service-card-content p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-section h2 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

/* About Page */
.about-intro {
    padding: var(--spacing-xl) 0;
}

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-intro-image img {
    border-radius: var(--border-radius);
}

/* Values */
.values {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.values h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.value-item {
    background-color: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.value-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.value-item h3 {
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Team Section */
.team {
    padding: var(--spacing-xl) 0;
}

.team h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.team-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.team-image img {
    border-radius: var(--border-radius);
}

/* Milestones */
.milestones {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.milestones h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.milestones-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.milestone {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.milestone img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.milestone-content {
    padding: var(--spacing-md);
}

.milestone-content h3 {
    margin-bottom: var(--spacing-xs);
}

.milestone-content p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Services Page */
.services-overview {
    padding: var(--spacing-xl) 0;
}

.services-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.services-intro img {
    border-radius: var(--border-radius);
}

/* Services Detail */
.services-detail {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.service-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.service-detail-item:last-child {
    margin-bottom: 0;
}

.service-detail-item.reverse {
    direction: rtl;
}

.service-detail-item.reverse > * {
    direction: ltr;
}

.service-label {
    display: inline-block;
    background-color: var(--color-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.service-detail-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.service-detail-content ul {
    margin-top: var(--spacing-sm);
}

.service-detail-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

.service-detail-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.service-detail-image img {
    border-radius: var(--border-radius);
}

/* Services Additional */
.services-additional {
    padding: var(--spacing-xl) 0;
}

.services-additional h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.service-small-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.service-small-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.service-small-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.9375rem;
}

/* Process */
.process {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.process h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 50px;
    right: 50px;
    height: 2px;
    background-color: var(--color-border);
    z-index: 0;
}

.process-step {
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.process-step h3 {
    margin-bottom: var(--spacing-xs);
}

.process-step p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    max-width: 180px;
    margin: 0 auto;
}

/* Contact Page */
.contact-main {
    padding: var(--spacing-xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
}

.contact-form-wrapper h2 {
    margin-bottom: var(--spacing-sm);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition);
}

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

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    font-weight: 400;
    cursor: pointer;
}

.checkbox-label input {
    margin-top: 4px;
}

.checkbox-label span {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.contact-info-card h3 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
}

.contact-detail {
    margin-bottom: var(--spacing-md);
}

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

.contact-detail h4 {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.contact-detail p {
    margin-bottom: 0;
}

.contact-detail a {
    color: var(--color-text);
}

.contact-detail a:hover {
    color: var(--color-accent);
}

.contact-image img {
    border-radius: var(--border-radius);
}

/* Location */
.location {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-surface);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.location-image img {
    border-radius: var(--border-radius);
}

.location-list {
    margin: var(--spacing-md) 0;
}

.location-list li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* FAQ */
.faq {
    padding: var(--spacing-xl) 0;
}

.faq h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.faq-item {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.faq-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Legal Pages */
.legal-content {
    padding: var(--spacing-xl) 0;
}

.legal-text {
    max-width: 800px;
    margin: 0 auto;
}

.legal-text h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.legal-text h2:first-child {
    margin-top: 0;
}

.legal-text h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.legal-text p {
    color: var(--color-text-light);
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    color: white;
    font-size: 1.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    opacity: 0.8;
    margin-bottom: 0;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.footer-links ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition);
}

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

.footer-contact p {
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

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

.footer-bottom p {
    opacity: 0.6;
    margin-bottom: 0;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .milestones-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .menu-toggle {
        display: flex;
    }

    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border);
        display: none;
    }

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

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero .container,
    .about-preview-grid,
    .about-intro-grid,
    .services-intro,
    .service-detail-item,
    .service-detail-item.reverse,
    .team-content,
    .location-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-image {
        order: -1;
    }

    .features-grid,
    .services-grid,
    .values-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

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

    .milestones-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .process-steps::before {
        display: none;
    }

    .process-step p {
        max-width: none;
    }

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

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

    .service-detail-item.reverse {
        direction: ltr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .btn {
        width: 100%;
        padding: 1rem;
    }

    .page-hero {
        padding: var(--spacing-lg) 0;
    }
}