:root {
    /* Brand Identity Colors */
    --primary-color: #0a2e4d;
    /* Navy Blue - Core Trust */
    --primary-light: #164b75;
    /* Lighter Navy for hover/accents */
    --primary-dark: #051a2b;
    /* Darker Navy for footer/text */

    --accent-color: #2e8b57;
    /* Sea Green - Sustainability */
    --accent-light: #48b57a;
    /* Bright Green for highlights */
    --accent-dark: #1e5c39;
    /* Deep Green for active states */

    /* Neutral Scale */
    --text-color: #333333;
    /* Main Body Text */
    --text-light: #666666;
    /* Secondary Text */
    --light-bg: #f4f7f6;
    /* Section Backgrounds */
    --white: #ffffff;
    --border-color: #e1e4e8;
}

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

body {
    line-height: 1.6;
    color: var(--text-color);
}

/* Navigation */
header {
    background: #f9f7f5;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.cta-btn {
    background: var(--accent-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.3s, transform 0.2s;
    font-weight: bold;
}

.cta-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(10, 46, 77, 0.85), rgba(10, 46, 77, 0.75)), url('../img/hero_commodities.png');
    background-size: cover;
    background-position: center;
    height: 90vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-btn {
    background: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.2s;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Sections General */
section {
    padding: 5rem 2rem;
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* About / Philosophy */
.philosophy {
    background: var(--light-bg);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-list li {
    margin-bottom: 1rem;
    list-style: none;
    display: flex;
    align-items: center;
}

.feature-list li::before {
    content: "✓";
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 10px;
}

/* Commodities */
.commodities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.commodity-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border-top: 4px solid var(--primary-color);
}

.commodity-card:hover {
    transform: translateY(-5px);
}

.commodity-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.commodity-card ul {
    padding-left: 1.2rem;
    font-size: 0.95rem;
    color: #555;
}

/* Global Reach & Trust */
.stats {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 2rem;
}

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

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact */
.contact {
    background: var(--white);
}

.contact-wrapper {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-box {
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 8px;
    width: 100%;
}

.email-link {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: none;
    border-bottom: 2px solid var(--accent-color);
}

/* Footer */
footer {
    background: #051a2b;
    color: #aaa;
    padding: 2rem 2rem;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Mobile menu logic omitted for simplicity */
    .hero h1 {
        font-size: 2rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}