/* ============================================
   GLOBAL STYLES & VARIABLES
   ============================================ */

:root {
    --primary-color: #1a7d4e;
    --secondary-color: #f59e0b;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER STYLES
   ============================================ */

.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #155a3b 100%);
    color: white;
    padding: 1.5rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 300;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .nav ul {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .logo h1 {
        font-size: 1.5rem;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    color: white;
    padding: 8rem 2rem;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 125, 78, 0.75) 0%, rgba(21, 90, 59, 0.75) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    opacity: 0.95;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 2rem;
        min-height: 350px;
    }

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

    .hero-content p {
        font-size: 1.1rem;
    }
}

/* ============================================
   INTRO SECTION
   ============================================ */

.intro {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.intro h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
}

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

.intro-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.intro-card-image {
    padding: 0;
    overflow: hidden;
    background: none;
    box-shadow: var(--shadow-lg);
}

.intro-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.intro-card-image:hover .intro-image {
    transform: scale(1.05);
}

.intro-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.intro-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.intro-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   KEY INFORMATION SECTION
   ============================================ */

.key-info {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #155a3b 100%);
    color: white;
}

.key-info h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.info-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.info-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.info-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============================================
   MARKETPLACE SECTION
   ============================================ */

.marketplace {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.marketplace-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.marketplace-image {
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.marketplace-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
    border-radius: 12px;
}

.marketplace-image:hover .marketplace-img {
    transform: scale(1.05);
}

.marketplace-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.marketplace-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.marketplace-benefits {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.marketplace-benefits h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.marketplace-benefits ul {
    list-style: none;
}

.marketplace-benefits li {
    padding: 0.75rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.marketplace-benefits i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

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

    .marketplace-img {
        height: 300px;
    }

    .marketplace-text h2 {
        font-size: 2rem;
    }
}

/* ============================================
   CONTACT FORM SECTION
   ============================================ */

.contact {
    padding: 4rem 0;
    background-color: var(--bg-white);
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--primary-color);
}

.contact-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-form {
    max-width: 700px;
    margin: 2rem auto;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 125, 78, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #155a3b 100%);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:active {
    transform: translateY(0);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

/* ============================================
   FOOTER SECTION
   ============================================ */

.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .intro h2,
    .contact h2,
    .marketplace h2,
    .key-info h2 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
    }

    .nav ul {
        flex-direction: row;
        gap: 1rem;
        justify-content: center;
    }

    .intro h2,
    .contact h2,
    .marketplace h2,
    .key-info h2 {
        font-size: 1.5rem;
    }

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

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 2rem;
    }

    .hero-content h2 {
        font-size: 1.3rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.intro-card {
    animation: fadeIn 0.6s ease-out;
}

.marketplace-image {
    animation: slideInLeft 0.8s ease-out;
}

.marketplace-text {
    animation: slideInRight 0.8s ease-out;
}

/* ============================================
   UTILITIES
   ============================================ */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-2 { padding-top: 1rem; }
.pb-2 { padding-bottom: 1rem; }