:root {
    /* Colors - Agro-Modern Palette */
    --color-primary: #1B4332; /* Forest Green */
    --color-primary-light: #2D6A4F;
    --color-secondary: #D4A373; /* Straw Gold */
    --color-secondary-hover: #E9C46A;
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA; /* Ice White */
    --color-text: #212529;
    --color-text-muted: #6C757D;
    
    /* Trends */
    --color-trend-up: #40916C;
    --color-trend-down: #D00000;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Shadows & Radii */
    --shadow-float: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 64px 0;
}

.section-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 32px;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-secondary);
    margin: 12px auto 0;
    border-radius: 2px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Header */
.header {
    background-color: var(--color-primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    height: 54px;
    background-color: white;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.header-logo:hover {
    transform: scale(1.05);
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    display: none;
}

.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    font-weight: 600;
    transition: color var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-secondary);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(27, 67, 50, 0.9), rgba(27, 67, 50, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    color: var(--color-bg-light);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.service-card {
    background-color: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-float);
    border-color: var(--color-secondary);
}

.service-card i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Floating Quotes & News */
.quotes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.floating-card {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-float);
    transition: transform var(--transition-smooth);
}

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

.quote-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    color: var(--color-primary);
}

.quote-header i {
    font-size: 2rem;
}

.quote-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 8px;
}

.quote-price .currency {
    font-size: 1.5rem;
    color: var(--color-text-muted);
}

.quote-trend {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.trend-up {
    background-color: rgba(64, 145, 108, 0.1);
    color: var(--color-trend-up);
}

.trend-down {
    background-color: rgba(208, 0, 0, 0.1);
    color: var(--color-trend-down);
}

.quote-meta {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    border-top: 1px solid #eee;
    padding-top: 16px;
}

.news-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
}

.badge {
    display: inline-block;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.news-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    line-height: 1.3;
}

.news-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.news-card .btn {
    border-color: white;
    color: white;
}

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

/* Expoama */
.expoama-header {
    text-align: center;
    margin-bottom: 48px;
}

.expoama-media {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
}

.expoama-banner, .expoama-video {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-float);
}

@media (max-width: 768px) {
    .expoama-media {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.utility-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.btn-utility {
    background-color: white;
    color: var(--color-primary);
    border: 1px solid rgba(0,0,0,0.1);
    padding: 20px;
    font-size: 1.125rem;
    justify-content: flex-start;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.btn-utility i {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.btn-utility:hover {
    transform: translateX(8px);
    border-color: var(--color-secondary);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding-top: 64px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-info h3 {
    color: var(--color-secondary);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.footer-info p, .footer-links p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 24px 0;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--color-primary);
        padding: 0 24px 24px;
        border-top: 1px solid rgba(255,255,255,0.1);
        display: none;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        display: block;
        animation: slideDown 0.3s ease forwards;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 16px;
    }
    
    .main-nav a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .hero h2 {
        font-size: 2rem;
    }

    .quotes-grid, .services-grid {
        grid-template-columns: 1fr;
    }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}