/* CSS Reset and Variables */
:root {
    --primary-color: #0f172a;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --text-color: #334155;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --spacing-unit: 1.5rem;
    --max-width: 1100px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-white);
    font-size: 16px;
}

/* Typography */
h1, h2, h3 {
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

h3 {
    font-size: 1.35rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 1.25rem;
}

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

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Layout Utilities */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

.content-section {
    padding: 4rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Header & Navigation */
.site-header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-list a {
    color: var(--text-color);
    font-weight: 500;
    text-decoration: none;
}

.nav-list a:hover {
    color: var(--accent-color);
}

.nav-cta {
    background-color: var(--accent-color);
    color: white !important;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    text-decoration: none !important;
}

.nav-cta:hover {
    background-color: var(--accent-hover);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e293b 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-section h1 {
    color: white;
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.hero-intro {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: #cbd5e1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    text-decoration: none !important;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white !important;
    border: 2px solid var(--accent-color);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
    margin-top: 1.5rem;
}

/* FAQ Section */
.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.03);
}

.faq-item h3 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item p {
    margin-bottom: 0;
    color: #475569;
}

/* Contact Section */
.contact-section {
    background-color: var(--primary-color);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.contact-section h2 {
    color: white;
}

.contact-section h2::after {
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
}

.contact-intro {
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.contact-item {
    text-align: center;
}

.contact-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #94a3b8;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item a {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

.contact-item a:hover {
    color: #93c5fd;
}

/* Footer */
.site-footer {
    background-color: #020617;
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.65rem;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out;
    }

    .main-nav.active {
        max-height: 400px;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .nav-list li {
        width: 100%;
        text-align: center;
    }

    .nav-list a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-cta {
        border-radius: 0;
        color: white !important;
    }

    .contact-details {
        flex-direction: column;
        gap: 2rem;
    }

    .hero-section {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .btn-large {
        width: 100%;
        padding: 1rem;
    }
}