/* Variables and Base Styles */
:root {
    --primary-color: #2F5C36; /* Deep green for food/agriculture */
    --secondary-color: #D4AF37; /* Gold accent for premium quality */
    --dark-color: #1A1A1A;
    --light-color: #F8F9FA;
    --text-color: #333333;
    --text-light: #777777;
    --white: #FFFFFF;
    
    --font-main: 'Pretendard', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 5px 15px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: -15px;
}

.col-lg-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 15px;
}

.section-padding {
    padding: 100px 0;
}

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

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

.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-5 { margin-bottom: 3rem; }

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark-color);
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--secondary-color);
}

.text-primary {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #234528;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(47, 92, 54, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--dark-color);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
}

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

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
    transition: var(--transition);
}

header.scrolled .logo-text {
    color: var(--primary-color);
}

.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
}

header.scrolled .nav-link {
    color: var(--dark-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header-contact .btn {
    padding: 10px 20px;
    font-size: 0.95rem;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--white);
    transition: var(--transition);
}

header.scrolled .bar {
    background-color: var(--dark-color);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05); /* Slight zoom for animation */
    animation: zoomOut 20s infinite alternate linear;
}

@keyframes zoomOut {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 100%);
}

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

.badge {
    display: inline-block;
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 4.5rem;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--white);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 25px; opacity: 0; }
}

/* About Section */
.section-title {
    margin-bottom: 30px;
}

.sub-title {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: 2.5rem;
}

.image-wrapper {
    position: relative;
    padding: 20px 0 0 20px;
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 80%;
    height: 80%;
    border: 3px solid var(--secondary-color);
    border-radius: 10px;
    z-index: -1;
}

.rounded-shadow {
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.custom-img {
    height: 500px;
    object-fit: cover;
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--white);
    padding: 30px;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    border: 5px solid var(--light-color);
}

.experience-badge .accent-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 5px;
}

.feature-list {
    margin-top: 30px;
}

.feature-list li {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    color: var(--dark-color);
    font-weight: 500;
}

.feature-list i {
    margin-right: 15px;
    font-size: 1.25rem;
}

/* Business Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 50px 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    border-bottom-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(47, 92, 54, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary-color);
}

.service-card:hover .service-icon i {
    color: var(--white);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

/* Contact Section */
.info-container {
    padding-right: 50px;
}

.info-item {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-start;
}

.info-item .icon {
    width: 50px;
    height: 50px;
    background-color: rgba(47, 92, 54, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.info-item p {
    margin-bottom: 0;
}

.form-container {
    background-color: var(--white);
    padding: 50px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.form-container h3 {
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(47, 92, 54, 0.1);
}

textarea.form-control {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

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

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 2px;
    margin-bottom: 25px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.copyright {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Responsive */
@media (max-width: 991px) {
    .col-lg-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-text {
        margin-top: 50px;
    }
    
    .info-container {
        padding-right: 15px;
        margin-bottom: 50px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--white);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .nav-link {
        color: var(--dark-color);
        font-size: 1.5rem;
    }
    
    .header-contact {
        display: none;
    }
    
    .hamburger {
        display: block;
        z-index: 1000;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--dark-color);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--dark-color);
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 30px 20px;
    }
}