:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #0f172a;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --accent-color: #38bdf8;
    --transition: all 0.3s ease;
}

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

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    background-color: var(--bg-white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

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

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

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

/* Main Content Padding for Fixed Header */
main {
    padding-top: 80px;
}

/* Hero Section */
.hero {
    background-color: var(--secondary-color);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    opacity: 0.1;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-shape {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 24px;
    transform: rotate(-10deg);
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* Services Section */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

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

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

.service-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: #eff6ff;
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

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

/* About Section */
.about {
    background-color: var(--bg-white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--text-main);
    font-weight: 600;
}

.about-image {
    flex: 1;
    height: 400px;
    background: #e2e8f0;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(37,99,235,0.1), rgba(56,189,248,0.1));
}

/* Page Headers (Privacy, Terms, etc.) */
.page-header {
    background-color: var(--secondary-color);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    color: #cbd5e1;
}

/* Content Pages (Privacy, Terms) */
.content-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

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

.content-box h2 {
    color: var(--secondary-color);
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.content-box h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 0.5rem;
    font-size: 1.25rem;
}

.content-box p {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.content-box ul {
    list-style: disc;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.content-box li {
    margin-bottom: 0.5rem;
}

/* Contact Info Box */
.contact-info-box {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.contact-info-box h3 {
    margin-top: 0;
}

.contact-info-box p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.contact-info-box strong {
    min-width: 100px;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #cbd5e1;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand p {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.footer-title {
    color: white;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

.footer-contact li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--accent-color);
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero .container, .about-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-shape, .about-image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}