/* ═══════════════════════════════════════════════════════════════
   ENVIRONMENTAL EDUCATION PAGE — Dasom Saessak Initiative
   ═══════════════════════════════════════════════════════════════ */

/* ─── Hero Section ─── */
.eco-hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #1f180d 0%, #4a3818 50%, #140f08 100%);
    overflow: hidden;
}

.eco-hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.15) 0%, transparent 60%),
                radial-gradient(circle at 15% 80%, rgba(91, 74, 30, 0.12) 0%, transparent 50%);
}

.eco-hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
}

.eco-hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
}

.eco-hero-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #f1c40f;
    margin-bottom: 24px;
}

.eco-hero-subtitle i {
    width: 16px;
    height: 16px;
}

.eco-hero-title {
    font-size: clamp(38px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 24px;
    max-width: 800px;
}

.text-gold {
    color: #f1c40f;
}

.eco-hero-desc {
    font-size: 18px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 48px;
    max-width: 680px;
}

.eco-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 32px;
    max-width: 1000px;
}

.eco-stat-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.eco-stat-val {
    font-size: 36px;
    font-weight: 800;
    color: #f1c40f;
    letter-spacing: -1px;
    line-height: 1;
}

.eco-stat-label {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.eco-stat-desc {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.3;
}

/* ─── Philosophy Section ─── */
.eco-intro {
    padding: 100px 0;
    background-color: #fff;
    border-bottom: 1px solid #ebf2f7;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.intro-text h2 {
    font-size: clamp(28px, 4vw, 38px);
    color: #1a1a1a;
    letter-spacing: -1px;
    line-height: 1.25;
    margin-bottom: 24px;
}

.intro-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a4a4a;
    margin-bottom: 20px;
}

.intro-bullets {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.intro-bullet-item {
    display: flex;
    gap: 16px;
}

.bullet-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: rgba(91, 74, 30, 0.08);
    color: #5b4a1e;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bullet-icon i {
    width: 20px;
    height: 20px;
}

.bullet-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.bullet-content p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 0;
}

/* Premium Image Placeholder with pulsing gold waves */
.premium-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #1f180d 0%, #2c210d 100%);
    border-radius: 24px;
    border: 1px solid rgba(91, 74, 30, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.premium-placeholder::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 2px solid rgba(241, 198, 15, 0.15);
    animation: goldPulse 3s infinite ease-in-out;
}

.premium-placeholder i {
    width: 48px;
    height: 48px;
    color: #f1c40f;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.premium-placeholder h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
    position: relative;
    z-index: 2;
}

.premium-placeholder p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
    max-width: 280px;
    margin: 0;
    position: relative;
    z-index: 2;
}

@keyframes goldPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.5;
        border-color: rgba(241, 198, 15, 0.35);
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ─── Methodology Section ─── */
.eco-methodology {
    padding: 100px 0;
    background-color: #fafbfc;
    border-bottom: 1px solid #ebf2f7;
}

.section-header-center {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-header-center h2 {
    font-size: clamp(28px, 4vw, 38px);
    color: #1a1a1a;
    letter-spacing: -1px;
    margin-top: 12px;
    margin-bottom: 16px;
}

.section-header-center p {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.method-card {
    background: #fff;
    border: 1px solid #ebf2f7;
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(91, 74, 30, 0.05);
    border-color: rgba(91, 74, 30, 0.15);
}

.method-step-num {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 48px;
    font-weight: 900;
    color: rgba(91, 74, 30, 0.05);
    line-height: 1;
}

.method-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background-color: rgba(91, 74, 30, 0.06);
    color: #5b4a1e;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
}

.method-icon i {
    width: 24px;
    height: 24px;
}

.method-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    line-height: 1.4;
}

.method-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #555;
    margin-bottom: 24px;
}

.method-features {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid #f1f5f9;
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.method-features li {
    font-size: 13px;
    font-weight: 600;
    color: #666;
    display: flex;
    align-items: center;
    gap: 8px;
}

.method-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #5b4a1e;
}

/* ─── Active Projects Grid ─── */
.eco-projects {
    padding: 100px 0;
    background-color: #fff;
    border-bottom: 1px solid #ebf2f7;
}

.proj-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.premium-proj-card {
    background: #fff;
    border: 1px solid #ebf2f7;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.premium-proj-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.06);
    border-color: #e2e8f0;
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.card-placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #272010 0%, #423616 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.4);
    gap: 8px;
}

.card-placeholder-img i {
    width: 32px;
    height: 32px;
}

.card-placeholder-img span {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.card-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(91, 74, 30, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-badge i {
    width: 12px;
    height: 12px;
}

.card-main-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta-info {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: #888;
    margin-bottom: 12px;
    font-weight: 500;
}

.card-meta-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-meta-info i {
    width: 12px;
    height: 12px;
}

.premium-proj-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
    line-height: 1.4;
}

.premium-proj-card p {
    font-size: 13.5px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 24px;
    flex-grow: 1;
}

.card-foot-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
    margin-top: auto;
}

.foot-stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.foot-stat-val {
    font-size: 16px;
    font-weight: 800;
    color: #5b4a1e;
}

.foot-stat-lbl {
    font-size: 10px;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #f8fafc;
    color: #5b4a1e;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border: 1px solid #e2e8f0;
}

.premium-proj-card:hover .card-action-btn {
    background-color: #5b4a1e;
    color: #fff;
    border-color: #5b4a1e;
}

/* ─── Scientific Advisory Section ─── */
.eco-advisory {
    padding: 100px 0;
    background-color: #fafbfc;
    border-bottom: 1px solid #ebf2f7;
}

.advisory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.expert-card {
    background: #fff;
    border: 1px solid #ebf2f7;
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.01);
}

.expert-photo-placeholder {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, #5b4a1e 0%, #d4af37 100%);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.expert-photo-placeholder i {
    width: 32px;
    height: 32px;
}

.expert-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.expert-role {
    font-size: 13px;
    color: #5b4a1e;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.expert-bio {
    font-size: 13.5px;
    line-height: 1.6;
    color: #666;
}

/* Partners Strip */
.partners-strip {
    margin-top: 80px;
    border-top: 1px solid #ebf2f7;
    padding-top: 48px;
    text-align: center;
}

.partners-strip h4 {
    font-size: 12px;
    font-weight: 700;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 28px;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    opacity: 0.7;
}

.partner-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.partner-logo i {
    width: 20px;
    height: 20px;
    color: #5b4a1e;
}

.partner-logo span {
    font-size: 14px;
    font-weight: 700;
    color: #4a4a4a;
}

/* ─── Call to Action ─── */
.eco-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1f180d 0%, #4a3818 100%);
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.eco-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta-actions .btn-primary {
    background-color: #f1c40f;
    color: #1a1505;
}

.cta-actions .btn-primary:hover {
    background-color: #d4af37;
    transform: translateY(-2px);
}

.cta-actions .btn-outline {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.cta-actions .btn-outline:hover {
    background: rgba(255,255,255,0.08);
}

/* ─── Responsive Adjustments ─── */
@media (max-width: 1024px) {
    .eco-hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .proj-grid, .method-grid, .advisory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .eco-hero-stats {
        padding: 24px;
        gap: 16px;
    }
    
    .proj-grid, .method-grid, .advisory-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
        max-width: 320px;
        margin: 0 auto;
    }
}