@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

:root {
    --green-900: #1b4332;
    --green-800: #2d6a4f;
    --green-700: #40916c;
    --green-600: #52b788;
    --green-100: #d8f3dc;
    --green-50: #f0faf3;
    --earth: #d4a373;
    --earth-light: #faedcd;
    --bg: #f5f7f5;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --nav-h: 64px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    background: var(--bg);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

main {
    flex: 1;
}

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

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(16px, 4vw, 48px);
}

.navbar-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--green-800);
    text-decoration: none;
    cursor: pointer;
    letter-spacing: -0.02em;
}

.navbar-brand span {
    color: var(--green-600);
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 4px;
}

.navbar-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--green-800);
    background: var(--green-50);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--gray-800);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* ========== HERO (index) ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--nav-h) 24px 80px;
    background:
        linear-gradient(160deg, rgba(27,67,50,0.82) 0%, rgba(45,106,79,0.7) 40%, rgba(64,145,108,0.55) 100%),
        url('https://cdn.pixabay.com/photo/2016/11/21/17/29/agriculture-1846649_1280.jpg') center/cover no-repeat;
    background-attachment: fixed;
    color: var(--white);
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--bg), transparent);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.8;
    opacity: 0.92;
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--white);
    color: var(--green-800);
}

.btn-primary:hover {
    background: var(--green-100);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.6);
}

.btn-ghost {
    background: var(--green-50);
    color: var(--green-800);
    border: 1px solid var(--green-100);
}

.btn-ghost:hover {
    background: var(--green-100);
}

/* ========== PAGE HEADER ========== */
.page-header {
    background:
        linear-gradient(160deg, rgba(27,67,50,0.85) 0%, rgba(45,106,79,0.75) 100%),
        url('https://cdn.pixabay.com/photo/2016/11/21/17/29/agriculture-1846649_1280.jpg') center/cover no-repeat;
    background-attachment: fixed;
    padding: calc(var(--nav-h) + 48px) 24px 48px;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.page-header p {
    opacity: 0.8;
    font-weight: 300;
    font-size: 1rem;
}

/* ========== SUB-NAV (TABS) ========== */
.tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 24px 24px 0;
    margin-bottom: -12px;
    position: relative;
    z-index: 1;
}

.tab {
    display: inline-block;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    color: var(--gray-600);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
}

.tab:hover {
    color: var(--green-800);
    border-color: var(--green-600);
    background: var(--green-50);
}

.tab.active {
    color: var(--white);
    background: var(--green-800);
    border-color: var(--green-800);
}

/* ========== CONTAINER ========== */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px clamp(16px, 4vw, 48px);
}

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px clamp(16px, 4vw, 48px);
}

/* ========== CARDS ========== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    padding: clamp(20px, 3vw, 36px);
    margin-bottom: 24px;
    transition: box-shadow var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--green-900);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.card p:last-child {
    margin-bottom: 0;
}

/* ========== IMAGE GALLERY (HORIZONTAL SCROLL) ========== */
.gallery {
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
}

.gallery::-webkit-scrollbar {
    height: 6px;
}

.gallery::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 3px;
}

.gallery::-webkit-scrollbar-thumb {
    background: var(--gray-500);
    border-radius: 3px;
}

.gallery-row {
    display: flex;
    gap: 16px;
    padding: 4px;
}

.gallery-item {
    flex-shrink: 0;
    text-align: center;
}

.gallery-item img {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
}

.gallery-item .caption {
    font-size: 0.82rem;
    color: var(--gray-600);
    margin-top: 8px;
    max-width: 320px;
    line-height: 1.5;
}

.img-sm {
    width: 320px;
}

.img-lg {
    width: 640px;
}

/* ========== CHART IMAGE (STACKED) ========== */
.chart-img {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
    margin: 16px 0;
    width: 100%;
    max-width: 600px;
}

.chart-pair {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 16px 0;
}

.chart-pair img {
    flex: 1 1 280px;
    min-width: 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
}

/* ========== MAP ========== */
.map-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 32px;
    background: var(--white);
}

.map-wrap iframe {
    display: block;
    width: 100%;
    min-height: 520px;
    border: none;
}

/* ========== TEAM ========== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 8px;
}

.member-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.member-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.member-photo {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.member-info {
    padding: 20px;
}

.member-role {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--green-700);
    background: var(--green-50);
    padding: 4px 10px;
    border-radius: 100px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.member-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.member-info p {
    font-size: 0.88rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========== SECTION LABEL ========== */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--green-700);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

/* ========== FOOTER ========== */
footer {
    background: var(--green-900);
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 32px 24px;
    font-size: 0.88rem;
    margin-top: auto;
}

footer p {
    margin: 0;
    color: inherit;
}

footer a {
    color: var(--green-100);
    text-decoration: none;
}

/* ========== RESPONSIVE: TABLET ========== */
@media (max-width: 1024px) {
    .map-wrap iframe {
        min-height: 400px;
    }

    .img-lg {
        width: 100%;
    }
}

/* ========== RESPONSIVE: MOBILE ========== */
@media (max-width: 768px) {
    .navbar {
        padding: 0 16px;
    }

    .navbar-menu {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--gray-200);
        padding: 8px;
        gap: 2px;
        box-shadow: var(--shadow-md);
    }

    .navbar-menu.open {
        display: flex;
    }

    .navbar-menu a {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        min-height: 85vh;
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .page-header {
        padding: calc(var(--nav-h) + 32px) 16px 32px;
    }

    .tabs {
        padding: 16px 16px 0;
        gap: 6px;
    }

    .tab {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    .container,
    .container-wide {
        padding: 24px 16px;
    }

    .card {
        padding: 20px;
    }

    .map-wrap iframe {
        min-height: 300px;
    }

    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .img-sm {
        width: 260px;
    }

    .gallery-row {
        gap: 12px;
    }

    .chart-pair img {
        flex: 1 1 100%;
    }

    footer {
        padding: 24px 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-badge {
        font-size: 0.78rem;
    }

    .img-sm {
        width: 220px;
    }
}