/* ===== CSS Variables ===== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0891b2;
    --accent: #f59e0b;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f1f5f9;
    --white: #ffffff;
    --success: #10b981;
    --error: #ef4444;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
}

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

ul {
    list-style: none;
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 8px;
}

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

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

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

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

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

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

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--dark);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--light);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient);
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    background: var(--white);
}

.shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
}

.hero-text {
    color: var(--white);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text .highlight {
    color: var(--accent);
}

.hero-text p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    transition: var(--transition);
}

.hero-card:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.25);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    color: var(--primary);
    border-radius: var(--radius);
    font-size: 1.5rem;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.card-content p {
    opacity: 0.8;
    font-size: 0.9rem;
}


/* ===== Features Section ===== */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    background: var(--white);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 2rem;
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.feature-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ===== Stats Section ===== */
.stats {
    padding: 80px 0;
    background: var(--dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* ===== Services Preview ===== */
.services-preview {
    padding: 100px 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    border-radius: var(--radius);
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 24px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
}

.service-link:hover {
    gap: 12px;
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: var(--gradient);
}

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

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-bottom: 24px;
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--white);
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-light);
}

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

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-light);
}

.footer-contact ul li i {
    color: var(--primary-light);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    color: var(--gray-light);
    font-size: 0.9rem;
}

/* ===== Page Header ===== */
.page-header {
    padding: 140px 0 80px;
    background: var(--gradient);
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Page ===== */
.about-intro {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-main {
    width: 100%;
    height: 400px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--white);
}

.about-image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent);
    color: var(--white);
    padding: 20px 30px;
    border-radius: var(--radius);
    text-align: center;
}

.about-image-badge .number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
    color: var(--dark);
}

.about-content p {
    color: var(--gray);
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.about-list {
    margin-top: 32px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-weight: 500;
}

.about-list li i {
    color: var(--success);
    font-size: 1.25rem;
}

/* ===== Team Section ===== */
.team {
    padding: 100px 0;
    background: var(--light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.team-avatar {
    width: 100%;
    height: 200px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
}

.team-info {
    padding: 24px;
}

.team-info h3 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.team-info span {
    color: var(--gray);
    font-size: 0.9rem;
}


/* ===== Services Page ===== */
.services-full {
    padding: 100px 0;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.service-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

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

.service-visual {
    height: 350px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--white);
}

.service-detail h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--dark);
}

.service-detail p {
    color: var(--gray);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.service-features li i {
    color: var(--primary);
}

/* ===== Solutions Page ===== */
.solutions-grid-full {
    padding: 100px 0;
}

.solutions-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.solution-image {
    height: 200px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
}

.solution-content {
    padding: 30px;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--dark);
}

.solution-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

.solution-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.solution-tags span {
    padding: 6px 14px;
    background: var(--light);
    color: var(--gray);
    border-radius: 50px;
    font-size: 0.85rem;
}

/* ===== Contact Page ===== */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    background: var(--gradient);
    padding: 50px;
    border-radius: var(--radius-lg);
    color: var(--white);
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.contact-info p {
    opacity: 0.9;
    margin-bottom: 40px;
}

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

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-item-text p {
    opacity: 0.8;
    font-size: 0.95rem;
    margin-bottom: 0;
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: 32px;
    color: var(--dark);
}

.form-group {
    margin-bottom: 24px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--light);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== Map Section ===== */
.map-section {
    padding: 0 0 100px;
}

.map-container {
    height: 450px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

#map {
    width: 100%;
    height: 100%;
}

/* ===== Legal Pages ===== */
.legal-content {
    padding: 100px 0;
}

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

.legal-container h2 {
    font-size: 1.75rem;
    margin: 40px 0 20px;
    color: var(--dark);
}

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

.legal-container p {
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.legal-container ul {
    margin: 16px 0 24px 24px;
    list-style: disc;
}

.legal-container ul li {
    color: var(--gray);
    margin-bottom: 8px;
    line-height: 1.8;
}

.legal-container .last-updated {
    padding: 20px;
    background: var(--light);
    border-radius: var(--radius);
    margin-bottom: 40px;
    color: var(--gray);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        padding: 12px 0;
        border-bottom: 1px solid var(--light);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .service-row {
        grid-template-columns: 1fr;
    }
    
    .service-row:nth-child(even) {
        direction: ltr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .solutions-container {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .contact-info,
    .contact-form {
        padding: 30px;
    }
}