@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Open+Sans:wght@400;500;600&display=swap');

:root {
    --primary: #1e5a6b;
    --secondary: #0052a3;
    --accent: #ffd124;
    --background: #ffffff;
    --text: #1a4d5c;
    --text-light: #5d7a85;
    --light-bg: #f0f6f8;
    --white: #ffffff;
    --radius: 0.25rem;
    --radius-lg: 0.5rem;
    --shadow: 0 4px 6px -1px rgba(30, 90, 107, 0.1), 0 2px 4px -1px rgba(30, 90, 107, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(30, 90, 107, 0.1), 0 4px 6px -2px rgba(30, 90, 107, 0.05);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }

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

a { text-decoration: none; color: inherit; transition: color 0.2s; }

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

/* Layout Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.bg-light { background-color: var(--light-bg); }
.bg-primary { background-color: var(--primary); color: var(--white); }
.bg-secondary { background-color: var(--secondary); color: var(--white); }

.grid { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; gap: 1rem; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-accent { color: var(--accent); }

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
    border: 2px solid var(--secondary);
}

.btn-secondary:hover {
    background-color: transparent;
    color: var(--secondary);
}

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

.btn-accent:hover {
    background-color: transparent;
    color: var(--accent);
}

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

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

/* Header */
header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-links {
    display: none;
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
        gap: 2rem;
        font-weight: 600;
        font-size: 0.9rem;
        text-transform: uppercase;
        color: var(--primary);
    }
}

/* Hero */
.hero {
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

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

.hero h1 {
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text);
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Stats Banner */
.stats-banner {
    background-color: var(--primary);
    color: var(--white);
    padding: 4rem 0;
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Features/Why Us */
.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(30, 90, 107, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--light-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

/* Logos */
.logo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 3rem;
    opacity: 0.7;
    filter: grayscale(100%);
}

.logo-grid img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: filter 0.3s;
}

.logo-grid img:hover {
    filter: grayscale(0%);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 { color: var(--white); }
.cta-section p { color: rgba(255, 255, 255, 0.9); font-size: 1.25rem; max-width: 700px; margin: 0 auto 2.5rem; }

/* Footer */
footer {
    background-color: var(--text);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
    list-style: none;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li a:hover {
    color: var(--accent);
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}