:root {
    --primary-color: #0c4a6e;
    --secondary-color: #0284c7;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.8;
    font-size: 17px;
}

h1, h2, h3, h4 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Responsive Menu Hack */
#menu-toggle {
    display: none;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: var(--primary-color);
    z-index: 1100;
}

/* Hero Section */
.hero {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0c4a6e 0%, #075985 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero h1 {
    color: var(--white);
    font-size: 4rem;
    max-width: 900px;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.35rem;
    max-width: 700px;
    opacity: 0.9;
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--primary-color);
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    background-color: #fbbf24;
    box-shadow: 0 20px 25px -5px rgba(245, 158, 11, 0.4);
}

/* Sections */
section {
    padding: 7rem 0;
}

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

.section-title {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.2rem;
}

/* Grid & Cards */
.grid {
    display: grid;
    gap: 2.5rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    border-color: var(--secondary-color);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* FAQ Section */
.faq-item {
    margin-bottom: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 2rem 1.5rem;
    color: var(--text-light);
}

/* Footer */
footer {
    background: #0f172a;
    color: var(--white);
    padding: 6rem 0 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

.footer-col ul a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 3rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    #menu-toggle:checked ~ .nav-links {
        right: 0;
    }

    .hero h1 { font-size: 2.5rem; }
    .section-title h2 { font-size: 2.2rem; }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr !important;
    }
}

/* Utilities */
.text-center { text-align: center; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-8 { margin-top: 2rem; }

.tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(2, 132, 199, 0.1);
    color: var(--secondary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate {
    animation: fadeIn 0.8s ease forwards;
}