:root {
    --primary: #1e293b;
    --secondary: #3b82f6;
    --accent: #0f172a;
    --text: #334155;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --sidebar-width: 280px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

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

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--accent);
    color: var(--white);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-links li {
    margin-bottom: 1rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: #94a3b8;
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: #64748b;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 0;
    min-height: 100vh;
}

/* Hero Section */
.hero {
    height: 80vh;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    padding: 4rem;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    color: var(--white);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--secondary);
    color: var(--white);
    border-radius: 0.375rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #2563eb;
}

/* Section Common */
.section {
    padding: 5rem 4rem;
}

.section-title {
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-light);
    max-width: 600px;
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-icon {
    width: 3rem;
    height: 3rem;
    background: #eff6ff;
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-img img {
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.about-text ul {
    margin-top: 1.5rem;
}

.about-text li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-text i {
    color: var(--secondary);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info-card {
    background: var(--primary);
    color: var(--white);
    padding: 3rem;
    border-radius: 1rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item i {
    color: var(--secondary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

.info-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.info-item p {
    color: #94a3b8;
}

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

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

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
}

/* Policy Page */
.policy-content {
    background: var(--white);
    padding: 4rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    max-width: 900px;
    margin: 0 auto;
}

.policy-content h2 {
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.policy-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1rem;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero {
        padding: 2rem;
        height: 60vh;
    }
    
    .section {
        padding: 3rem 1.5rem;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .nav-links li {
        margin-bottom: 0;
    }
}