:root {
    --primary-green: #2f6b3f;
    --secondary-green: #40916c;
    --accent-green: #52b788;
    --light-green: #eaf4ec;
    --very-light-green: #f4fdf6;
    --dark-green: #1b4332;
    --green-dark: #1b4332;
    --text-primary: #1e1e1e;
    --text-secondary: #4a5568;
    --white: #ffffff;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--gray-100);
    line-height: 1.7;
    overflow-x: hidden;
}

/* COMMON */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* HERO SECTION */
.hero-section {
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 50%, var(--secondary-green) 100%);
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: float 15s infinite ease-in-out;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero-content {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.year-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 5em;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5em;
    font-weight: 400;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

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

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.5);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        height: 0;
        opacity: 1;
    }

    50% {
        height: 40px;
        opacity: 0.5;
    }

    100% {
        height: 40px;
        opacity: 0;
    }
}

/* MAIN WRAPPER */
.main-wrapper {
    background: var(--white);
    position: relative;
    z-index: 2;
}

/* CONTENT SECTIONS */
.content-section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 50px;
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3em;
    font-weight: 700;
    color: var(--dark-green);
    line-height: 1.2;
    margin-bottom: 15px;
}

.section-description {
    font-size: 1.2em;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* CONTENT CARDS */
.content-card {
    background: var(--white);
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--gray-200);
}

.icon-badge {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-green), var(--secondary-green));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
}

.card-header h3 {
    font-size: 2em;
    font-weight: 700;
    color: var(--dark-green);
    flex: 1;
}

.date-badge {
    background: var(--light-green);
    color: var(--dark-green);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9em;
}

.card-content p {
    font-size: 1.1em;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* PROJECT CARDS */
.project-card {
    background: var(--white);
    border-radius: 25px;
    padding: 60px;
    margin-bottom: 50px;
    box-shadow: var(--shadow-lg);
    position: relative;
    border-left: 6px solid var(--accent-green);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.project-number {
    position: absolute;
    top: 40px;
    right: 50px;
    font-size: 6em;
    font-weight: 800;
    color: var(--gray-200);
    line-height: 1;
}

.project-status {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 20px;
}

.project-status.ongoing {
    background: linear-gradient(135deg, #10b981, #059669);
    color: var(--white);
}

.project-title {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--dark-green);
    margin-bottom: 10px;
    line-height: 1.3;
}

.project-subtitle {
    font-size: 1.2em;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 10px;
}

.project-code {
    font-family: 'Courier New', monospace;
    background: var(--gray-200);
    padding: 8px 15px;
    border-radius: 8px;
    display: inline-block;
    font-size: 0.9em;
    margin-bottom: 30px;
    color: var(--text-secondary);
}

.project-description,
.project-overview,
.project-impact {
    margin: 30px 0;
}

.project-description p,
.project-overview p,
.project-impact p {
    font-size: 1.1em;
    line-height: 1.9;
    color: var(--text-secondary);
}

.project-overview h4,
.achievements h4 {
    font-size: 1.6em;
    color: var(--primary-green);
    margin-bottom: 20px;
    font-weight: 700;
}

/* ACHIEVEMENTS GRID */
.achievements {
    margin: 40px 0;
    padding: 40px;
    background: var(--very-light-green);
    border-radius: 20px;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.achievement-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.achievement-item h5 {
    font-size: 1.2em;
    color: var(--dark-green);
    margin-bottom: 12px;
    font-weight: 600;
}

.achievement-item p {
    font-size: 0.95em;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* PLANTATION SECTION */
.plantation-section {
    background: var(--gray-100);
    padding: 100px 0;
}

.plantation-layout {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: 60px;
    align-items: start;
}

.image-gallery {
    position: sticky;
    top: 120px;
}

.gallery-main {
    margin-bottom: 20px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.gallery-main:hover .gallery-image {
    transform: scale(1.05);
}

.main-image {
    height: 400px;
    object-fit: cover;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.gallery-grid img {
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

.gallery-grid img:hover {
    transform: scale(1.05);
}

.plantation-content {
    padding: 20px 0;
}

.event-meta {
    display: flex;
    gap: 30px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.event-date,
.event-location {
    background: var(--white);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
}

.content-text p {
    font-size: 1.1em;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* DUAL PROGRAM GRID */
.intro-text {
    background: var(--light-green);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 50px;
}

.intro-text p {
    font-size: 1.2em;
    line-height: 1.8;
    color: var(--text-secondary);
}

.dual-program-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.program-card {
    background: var(--white);
    padding: 50px;
    border-radius: 25px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border-top: 5px solid var(--accent-green);
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.program-card.culture {
    border-top-color: #ec4899;
}

.program-card.sports {
    border-top-color: #3b82f6;
}

.program-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.program-card h3 {
    font-size: 1.8em;
    color: var(--dark-green);
    margin-bottom: 10px;
    font-weight: 700;
}

.program-year {
    display: inline-block;
    background: var(--gray-200);
    padding: 6px 16px;
    border-radius: 15px;
    font-size: 0.85em;
    font-weight: 600;
    margin-bottom: 25px;
}

.program-details {
    background: var(--very-light-green);
    padding: 20px;
    border-radius: 12px;
    margin: 25px 0;
}

.program-details p {
    font-size: 0.95em;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.program-card>p {
    font-size: 1.05em;
    line-height: 1.9;
    color: var(--text-secondary);
}

/* SLIDER SECTION */
.slider-section {
    background: var(--white);
    padding: 100px 0;
}

.modern-slider {
    max-width: 1000px;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.slides {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    position: relative;
    height: 600px;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    padding: 60px 50px;
}

.slide-content h3 {
    font-size: 2.5em;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 700;
}

.slide-content p {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

/* SLIDER ARROWS */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark-green);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.slider-arrow:hover {
    background: var(--white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider-arrow.left {
    left: 30px;
}

.slider-arrow.right {
    right: 30px;
}

/* SLIDER PAGINATION */
.slider-pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 30px;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
}

.dots {
    display: flex;
    gap: 10px;
}

.dots span {
    width: 12px;
    height: 12px;
    background: var(--gray-300);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dots span.active {
    background: var(--primary-green);
    width: 35px;
    border-radius: 6px;
}

.slider-counter {
    font-weight: 600;
    color: var(--dark-green);
    font-size: 1.1em;
}

.separator {
    margin: 0 5px;
    opacity: 0.5;
}

/* THUMBNAIL NAVIGATION */
.thumbnail-nav {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: center;
}

.thumbnail {
    width: 140px;
    height: 90px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    transition: opacity 0.3s ease;
}

.thumbnail:hover::after {
    opacity: 0;
}

.thumbnail.active {
    border-color: var(--accent-green);
    transform: scale(1.05);
}

.thumbnail.active::after {
    opacity: 0;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* FADE UP ANIMATION */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.show {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4em;
    }

    .plantation-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .image-gallery {
        position: static;
    }

    .dual-program-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    .section-title {
        font-size: 2.2em;
    }

    .content-section {
        padding: 60px 0;
    }

    .content-card,
    .project-card {
        padding: 30px;
    }

    .project-number {
        font-size: 4em;
        top: 20px;
        right: 20px;
    }

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

    .slide {
        height: 400px;
    }

    .slide-content h3 {
        font-size: 1.8em;
    }

    .slide-content p {
        font-size: 1em;
    }

    .slider-arrow {
        width: 45px;
        height: 45px;
    }

    .slider-arrow.left {
        left: 15px;
    }

    .slider-arrow.right {
        right: 15px;
    }

    .thumbnail-nav {
        gap: 10px;
    }

    .thumbnail {
        width: 70px;
        height: 50px;
    }

    nav {
        display: none;
    }

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

    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}