/* ============================================
   About Page Styles
   ============================================ */

:root {
    --primary: #1a5f7a;
    --secondary: #57c5b6;
    --accent: #159895;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.12);
    --radius: 12px;
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 3rem 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header h1 i {
    margin-right: 0.5rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ============================================
   Navigation Tabs
   ============================================ */
.about-tabs-section {
    background: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 110px;
    z-index: 100;
    box-shadow: var(--shadow);
}

.about-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.about-tab {
    padding: 0.75rem 1.5rem;
    border: none;
    background: var(--light);
    color: var(--gray);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.about-tab i {
    font-size: 1rem;
}

.about-tab:hover {
    background: var(--secondary);
    color: var(--white);
}

.about-tab.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
}

/* ============================================
   About Sections
   ============================================ */
.about-section {
    padding: 4rem 0;
}

.about-section:nth-child(odd) {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.about-section:nth-child(even) {
    background: var(--light);
}

.about-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.about-section .section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.about-section .section-header p {
    font-size: 1.1rem;
}

/* ============================================
   Overview Section
   ============================================ */
.overview-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 992px) {
    .overview-content {
        grid-template-columns: 1.5fr 1fr;
    }
}

.overview-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.overview-card h3 {
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.overview-card p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.quick-facts {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--light);
}

.quick-facts h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-facts h4 i {
    color: var(--accent);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 576px) {
    .facts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.fact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--light);
    border-radius: 8px;
}

.fact-item i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-top: 0.25rem;
}

.fact-item strong {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 0.25rem;
}

.fact-item span {
    font-size: 0.95rem;
    color: var(--dark);
    font-weight: 500;
}

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

.overview-image img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ============================================
   History Section
   ============================================ */
#history {
    background: var(--light) !important;
}

#history .section-header h2,
#history .section-header p {
    color: var(--dark) !important;
}

.history-content {
    max-width: 900px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--accent);
    border-radius: 50%;
    transform: translateX(-8.5px);
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--gray);
    line-height: 1.7;
    margin: 0;
}

.history-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 2rem;
    border-radius: var(--radius);
    margin-top: 2rem;
    color: var(--white);
}

.history-card h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.history-card p {
    line-height: 1.8;
    opacity: 0.95;
    margin: 0;
}

/* ============================================
   Mission & Vision Section
   ============================================ */
.mv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .mv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.mv-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
}

.mv-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.mv-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.mv-card h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
}

.mv-card p {
    color: var(--gray);
    line-height: 1.8;
}

.mv-card ul {
    text-align: left;
    padding-left: 1.5rem;
    margin-top: 1rem;
}

.mv-card ul li {
    color: var(--gray);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.core-values {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.core-values h3 {
    text-align: center;
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.core-values h3 i {
    color: #dc2626;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--light);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.value-item:hover .value-icon,
.value-item:hover h4,
.value-item:hover p {
    color: var(--white);
}

.value-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.value-item h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.value-item p {
    font-size: 0.85rem;
    color: var(--gray);
    margin: 0;
    transition: color 0.3s ease;
}

/* ============================================
   Geography Section
   ============================================ */
#geography {
    background: var(--light) !important;
}

#geography .section-header h2,
#geography .section-header p {
    color: var(--dark) !important;
}

.geography-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 992px) {
    .geography-content {
        grid-template-columns: 1fr 1fr;
    }
}

.geo-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.geo-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.geo-card h4 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.geo-card h4 i {
    color: var(--accent);
}

.geo-card p {
    color: var(--gray);
    line-height: 1.7;
    margin: 0;
}

.geo-card ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}

.geo-card ul li {
    padding: 0.5rem 0;
    color: var(--gray);
    border-bottom: 1px solid var(--light);
}

.geo-card ul li:last-child {
    border-bottom: none;
}

.geo-card ul li strong {
    color: var(--dark);
}

.geo-map {
    background: var(--white);
    padding: 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.map-container {
    border-radius: var(--radius);
    overflow: hidden;
}

.coordinates {
    text-align: center;
    padding: 1rem 0 0;
    color: var(--gray);
    font-size: 0.9rem;
}

.coordinates i {
    color: var(--accent);
}

/* ============================================
   Municipal Seal Section
   ============================================ */
.seal-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 768px) {
    .seal-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

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

.seal-image img {
    max-width: 250px;
    width: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.seal-description {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.seal-description h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.seal-elements {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.seal-element {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.seal-element:hover {
    background: linear-gradient(135deg, rgba(26, 95, 122, 0.1) 0%, rgba(21, 152, 149, 0.1) 100%);
}

.element-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.element-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.element-info h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.element-info p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
    line-height: 1.5;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .page-header {
        padding: 2rem 0;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .about-tabs-section {
        top: 85px;
    }

    .about-tabs {
        gap: 0.25rem;
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .about-tab {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .about-section {
        padding: 2.5rem 0;
    }

    .about-section .section-header h2 {
        font-size: 1.5rem;
    }

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

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

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

    .value-item {
        padding: 1rem 0.75rem;
    }
}

@media (max-width: 480px) {
    .facts-grid {
        grid-template-columns: 1fr;
    }

    .about-tab span {
        display: none;
    }

    .about-tab i {
        font-size: 1.25rem;
    }
}