/* =========================================
   1. CSS Variables & Reset
   ========================================= */
:root {
    --primary-color: #004aad;
    --primary-hover: #003380;
    --secondary-color: #f4f7f6;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #ffffff;
    --accent-color: #e63946;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --content-width: 850px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: #ffffff;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 15px;
}

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

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

.logo h2 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 0.1rem;
}

.logo span {
    font-size: 0.85rem;
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
}

.main-nav a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

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

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

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

/* =========================================
   3. Hero Section
   ========================================= */
.hero-section {
    background-color: var(--secondary-color);
    padding: 5rem 0;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

.hero-content {
    max-width: var(--content-width);
}

.hero-content h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-intro {
    font-size: 1.15rem;
    color: var(--text-medium);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-light);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(230, 57, 70, 0.2);
}

.cta-button:hover {
    background-color: #c92a37;
    color: var(--text-light);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(230, 57, 70, 0.3);
}

/* =========================================
   4. Content / Article Section
   ========================================= */
.content-section {
    max-width: var(--content-width);
    padding: 4rem 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.content-section h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 3rem;
    margin-bottom: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

.content-section p {
    margin-bottom: 1.5rem;
    color: var(--text-medium);
    font-size: 1.05rem;
}

.content-section ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.content-section li {
    margin-bottom: 0.8rem;
    color: var(--text-medium);
    position: relative;
    padding-left: 1.5rem;
}

.content-section li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* =========================================
   5. Contact Section
   ========================================= */
.contact-section {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 4rem 0;
    text-align: center;
}

.contact-container {
    max-width: 800px;
}

.contact-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.contact-section p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.contact-item p, .contact-item a {
    font-size: 1.1rem;
    color: #e0e7ff;
}

.contact-item a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.contact-cta {
    background-color: #ffffff;
    color: var(--primary-color);
}

.contact-cta:hover {
    background-color: #f0f0f0;
    color: var(--primary-hover);
}

/* =========================================
   6. Footer
   ========================================= */
.site-footer {
    background-color: #111111;
    color: #aaaaaa;
    text-align: center;
    padding: 2.5rem 0;
    font-size: 0.9rem;
}

.site-footer p {
    margin-bottom: 0.5rem;
}

/* =========================================
   7. Responsive Design (Mobile)
   ========================================= */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-intro {
        font-size: 1rem;
    }

    .content-section h2 {
        font-size: 1.6rem;
    }

    .content-section h3 {
        font-size: 1.2rem;
    }

    .contact-details {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}