/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #f59e0b;
    --whatsapp: #25d366;
    --whatsapp-dark: #128c7e;
    --phone: #2563eb;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 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(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --transition: 150ms ease;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--gray-800);
    background: var(--gray-50);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* === Header === */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}
.logo:hover {
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
}
.nav-links a:hover {
    color: var(--primary);
}

/* === Main Content === */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    width: 100%;
    flex: 1;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1.4;
}
.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
}
.btn-lg {
    padding: 0.8rem 1.75rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
}
.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    box-shadow: var(--shadow-md);
}

.btn-phone {
    background: var(--phone);
    color: #fff;
}
.btn-phone:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

/* === Section Headers === */
.page-section {
    padding-bottom: 2rem;
}

.section-header {
    margin-bottom: 1.5rem;
}
.section-header h1 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}
.subtitle {
    color: var(--gray-500);
    font-size: 0.95rem;
}

/* === Filters === */
.filters-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.filter-form select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: #fff;
    color: var(--gray-700);
    cursor: pointer;
}

/* === Donations Grid === */
.donations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.donation-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}
.donation-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 1rem 1rem 0;
    width: fit-content;
}

.card-body {
    padding: 0.75rem 1rem 0;
    flex: 1;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}
.card-title a {
    color: var(--gray-900);
    text-decoration: none;
}
.card-title a:hover {
    color: var(--primary);
}

.card-description {
    color: var(--gray-500);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.card-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.card-distance .distance-text {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.card-actions {
    padding: 0.75rem 1rem 1rem;
}

/* === Empty State === */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
}
.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.empty-state h2 {
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}
.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* === Donation Detail === */
.donation-detail {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    max-width: 700px;
}

.detail-header {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
}
.status-available {
    background: var(--success-light);
    color: var(--success);
}
.status-reserved {
    background: #fef3c7;
    color: var(--warning);
}
.status-completed {
    background: var(--gray-100);
    color: var(--gray-500);
}

.detail-title {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.detail-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.detail-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    padding: 1.25rem;
    background: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.info-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.info-value {
    font-size: 1rem;
    color: var(--gray-800);
    font-weight: 500;
}

/* === Contact Actions === */
.contact-actions {
    margin-bottom: 1.5rem;
}
.contact-actions h2 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}
.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.back-link {
    margin-top: 0.5rem;
}

.admin-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

/* === Forms === */
.donation-form {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    max-width: 700px;
}

.form-section {
    margin-bottom: 2rem;
}
.form-section h2 {
    font-size: 1.1rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.35rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--gray-800);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-help {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* === Location === */
.location-picker {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}
.location-feedback {
    font-size: 0.85rem;
    color: var(--gray-500);
}
.location-feedback.success {
    color: var(--success);
}
.location-feedback.error {
    color: var(--danger);
}

.location-map {
    width: 100%;
    height: 320px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-300);
    margin-top: 0.75rem;
    z-index: 1;
}

/* === Alerts === */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.alert ul {
    margin: 0;
    padding-left: 1.25rem;
}
.alert-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fca5a5;
}
.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid #86efac;
}
.alert-info {
    background: var(--primary-light);
    color: var(--primary-dark);
    border: 1px solid #93c5fd;
}

/* === Login Page === */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}
.login-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}
.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}
.login-header h1 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}
.login-header p {
    color: var(--gray-500);
    font-size: 0.9rem;
}
.login-form .form-group {
    margin-bottom: 1.25rem;
}
.login-btn {
    width: 100%;
}

/* === Admin Dashboard === */
.dashboard-header {
    margin-bottom: 1.5rem;
}
.dashboard-header h1 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dash-stat {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    text-align: center;
}
.dash-stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.3rem;
}
.dash-stat-label {
    font-size: 0.78rem;
    color: var(--gray-500);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.dashboard-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.dashboard-section {
    margin-bottom: 2rem;
}
.dashboard-section h2 {
    font-size: 1.15rem;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

/* === Admin Tables === */
.admin-table-wrap {
    overflow-x: auto;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.admin-table th,
.admin-table td {
    padding: 0.7rem 0.9rem;
    text-align: left;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--gray-100);
}
.admin-table th {
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}
.admin-table tbody tr:hover {
    background: var(--gray-50);
}

.inline-form {
    display: inline;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background: #b91c1c;
    box-shadow: var(--shadow-md);
}

.badge-you {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
}

/* === Admin Management Grid === */
.admin-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.admin-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}
.admin-panel h2 {
    font-size: 1.1rem;
    color: var(--gray-800);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
}
.admin-form .form-group {
    margin-bottom: 1rem;
}

/* === Error Page === */
.error-page {
    text-align: center;
    padding: 4rem 1rem;
}
.error-page h1 {
    font-size: 2rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}
.error-page p {
    color: var(--gray-500);
    margin-bottom: 2rem;
}

/* === Footer === */
.site-footer {
    background: #fff;
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* === Landing: Hero === */
.has-landing .site-header.header-transparent {
    background: transparent;
    border-bottom: none;
    box-shadow: none;
    position: absolute;
    width: 100%;
}
.has-landing .header-transparent .logo,
.has-landing .header-transparent .nav-links a {
    color: #fff;
}
.has-landing .header-transparent .btn-primary {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.4);
}
.has-landing .header-transparent .btn-primary:hover {
    background: #fff;
    color: var(--primary);
}

.landing-main {
    width: 100%;
}

.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    color: #fff;
    padding: 8rem 1.5rem 5rem;
    text-align: center;
}
.hero-inner {
    max-width: 750px;
    margin: 0 auto;
}
.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}
.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.88;
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-hero-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
}
.btn-hero-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
}

/* === Landing: Stats === */
.stats-section {
    background: #fff;
    padding: 0;
    margin-top: -2.5rem;
    position: relative;
    z-index: 10;
}
.stats-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.75rem 1rem;
    text-align: center;
    border-right: 1px solid var(--gray-100);
}
.stat-card:last-child {
    border-right: none;
}
.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.3rem;
}
.stat-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

/* === Landing: Sections Shared === */
.section-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.section-title {
    font-size: 1.5rem;
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 2rem;
}
.section-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.section-top .section-title {
    margin-bottom: 0;
    text-align: left;
}
.section-link {
    font-weight: 600;
    font-size: 0.9rem;
}

/* === Landing: Categories === */
.categories-section {
    padding: 4rem 0 3rem;
}
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
}
.category-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--gray-700);
    transition: all var(--transition);
}
.category-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
    color: var(--primary);
}
.category-icon {
    margin-bottom: 0.6rem;
    color: var(--primary);
}
.category-icon svg {
    display: inline-block;
}
.category-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}
.category-count {
    font-size: 0.78rem;
    color: var(--gray-400);
}

/* === Landing: Recent === */
.recent-section {
    padding: 2rem 0 3rem;
    background: var(--gray-50);
}
.recent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}
.recent-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.25rem;
    text-decoration: none;
    color: var(--gray-800);
    transition: all var(--transition);
}
.recent-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    text-decoration: none;
}
.recent-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 100px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.recent-title {
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    color: var(--gray-900);
}
.recent-desc {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}
.recent-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--gray-400);
}

/* === Landing: How It Works === */
.how-section {
    padding: 3.5rem 0;
    background: #fff;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.step-card {
    text-align: center;
    padding: 1rem;
}
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.step-card h3 {
    font-size: 1.05rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}
.step-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* === CTA Banner === */
.cta-section {
    padding: 3rem 1.5rem;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #fff;
    text-align: center;
}
.cta-inner {
    max-width: 600px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.cta-inner p {
    opacity: 0.85;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}
.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-actions .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.4);
    background: transparent;
}
.cta-actions .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
}

/* === About Page === */
.about-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #fff;
    padding: 4rem 1.5rem 3rem;
    text-align: center;
}
.about-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}
.about-lead {
    font-size: 1.1rem;
    opacity: 0.88;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-section {
    padding: 3rem 0;
}
.about-alt {
    background: var(--gray-50);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}
.about-block h2 {
    font-size: 1.2rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}
.about-block p {
    color: var(--gray-600);
    line-height: 1.75;
    font-size: 0.95rem;
}

.involve-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.involve-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.25rem;
    text-align: center;
}
.involve-icon {
    color: var(--primary);
    margin-bottom: 0.75rem;
}
.involve-card h3 {
    font-size: 1.05rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}
.involve-card p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    .nav-links {
        gap: 0.75rem;
    }
    .nav-links a:not(.btn) {
        font-size: 0.8rem;
    }
    .main-content {
        padding: 1.25rem 1rem;
    }
    .donations-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .donation-detail,
    .donation-form {
        padding: 1.25rem;
    }
    .detail-info-grid {
        grid-template-columns: 1fr 1fr;
    }
    .section-header h1 {
        font-size: 1.35rem;
    }
    .action-buttons {
        flex-direction: column;
    }
    .action-buttons .btn {
        width: 100%;
    }
    .hero {
        padding: 6rem 1rem 3.5rem;
    }
    .hero-title {
        font-size: 1.75rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-card {
        border-bottom: 1px solid var(--gray-100);
    }
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .recent-grid {
        grid-template-columns: 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .involve-grid {
        grid-template-columns: 1fr;
    }
    .about-hero {
        padding: 3rem 1rem 2rem;
    }
    .about-title {
        font-size: 1.5rem;
    }
    .admin-grid {
        grid-template-columns: 1fr;
    }
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .login-card {
        padding: 1.5rem;
    }
}