:root {
    --primary-blue: #002b5e;
    --primary-light: #003b82;
    --accent-teal: #00857a;
    --accent-light: #00b3a4;
    --light-gray: #f4f6f8;
    --mid-gray: #e0e5ea;
    --dark-gray: #555555;
    --text-dark: #222222;
    --text-light: #ffffff;
    --container-width: 1400px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--text-light);
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.section-padding {
    padding: 6rem 0;
}

.btn {
    display: inline-block;
    background: var(--accent-teal);
    color: var(--text-light);
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 2px;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-teal);
    cursor: pointer;
}

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

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--text-light);
}

/* Top Bar */
.top-bar {
    background: var(--light-gray);
    font-size: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--mid-gray);
}

.top-bar .container {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
}

.top-bar a {
    color: var(--dark-gray);
    text-decoration: none;
}

/* Header Navigation */
header {
    background: var(--text-light);
    border-bottom: 1px solid var(--mid-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s;
}

header.scrolled {
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
}

.logo img {
    width: 100%;
    max-width: 250px;
    height: auto;
    display: block;
}

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

nav a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

nav a:hover, nav a.active {
    color: var(--accent-teal);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-light) 100%);
    color: var(--text-light);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: -10%;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg opacity="0.05" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" stroke="white" stroke-width="2" fill="none"/></svg>') no-repeat center right;
    background-size: contain;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    max-width: 900px;
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.hero p {
    font-size: 1.35rem;
    max-width: 700px;
    margin-bottom: 3rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

/* Grids */
.section-title {
    font-size: 2.75rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 4rem;
    max-width: 800px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Cards */
.card {
    background: var(--text-light);
    padding: 3rem;
    border-top: 5px solid var(--accent-teal);
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.card p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-link {
    color: var(--accent-teal);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover { text-decoration: underline; }

/* Impact Section */
.impact {
    background: var(--primary-blue);
    color: var(--text-light);
    text-align: center;
}

.impact .section-title { color: var(--text-light); }
.impact .section-subtitle { color: rgba(255,255,255,0.8); margin: 0 auto 4rem auto; }

.stat-item {
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.stat-item h4 {
    font-size: 4rem;
    color: var(--accent-teal);
    margin-bottom: 1rem;
    line-height: 1;
}

.stat-item p { font-size: 1.1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.stat-item span { display: block; font-size: 0.9rem; margin-top: 0.5rem; opacity: 0.7; font-weight: normal; text-transform: none; }

/* News Section */
.news { background: var(--light-gray); }

.news-article {
    background: var(--text-light);
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 3rem;
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.news-date {
    color: var(--accent-teal);
    font-weight: 700;
    font-size: 1.1rem;
}

.news-article h3 { font-size: 1.4rem; color: var(--primary-blue); margin-bottom: 1rem; }
.news-article p { color: var(--dark-gray); }

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.data-table th, .data-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--mid-gray);
}

.data-table th { background: var(--light-gray); color: var(--primary-blue); font-weight: 600; }

/* Footer */
footer {
    background: #0a192f;
    color: #8892b0;
    padding: 5rem 0 2rem 0;
}

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

.footer-brand img {
    max-width: 200px;
    margin-bottom: 1.5rem;
    filter: brightness(0) invert(1);
}

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

.footer-col h4 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.8rem; }
.footer-col a { color: #8892b0; text-decoration: none; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent-teal); }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}