/* ===== RESET Y CONFIGURACIÓN GENERAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    color: #2c3e50;
}

main {
    flex: 1;
    padding: 0.01rem;
    width: 100%;
}

/* ===== VARIABLES MODERNAS ===== */
:root {
    --primary-blue: #2563eb;
    --blue-dark: #1e40af;
    --blue-light: #dbeafe;
    --blue-bg: #f0f7ff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --white: #ffffff;
    --background-light: #f8fafc;
    --border-light: #e5e7eb;
    --border-blue: #bfdbfe;
    --success: #10b981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ===== CONTENEDOR PRINCIPAL ===== */
.donation-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* ===== HERO SECTION CENTRADO ===== */
.donation-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--blue-dark) 100%);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.donation-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.05"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
}

.donation-hero .container {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.donation-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.donation-hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.6;
}

.hero-verse {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.hero-verse i.fa-quote-left {
    font-size: 1.5rem;
    opacity: 0.7;
    margin-bottom: 1rem;
    display: block;
}

.hero-verse em {
    font-style: italic;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 1rem;
    line-height: 1.6;
    font-weight: 400;
}

.hero-verse strong {
    font-weight: 600;
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== PANEL DE INFORMACIÓN ===== */
.donation-info {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.donation-info h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.donation-info h2 i {
    color: var(--primary-blue);
}

.donation-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Lista de características */
.donation-features {
    list-style: none;
    margin: 2rem 0;
}

.donation-features li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.donation-features li:last-child {
    border-bottom: none;
}

.donation-features .fas {
    color: var(--success);
    font-size: 1.1rem;
}

/* Instrucciones */
.instructions {
    background: var(--blue-bg);
    border: 1px solid var(--border-blue);
    border-radius: var(--radius);
    padding: 2rem;
    margin: 2rem 0;
}

.instructions ol {
    margin: 0;
    padding-left: 1.5rem;
}

.instructions li {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.instructions li:last-child {
    margin-bottom: 0;
}

.instructions strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Versículo de la Biblia */
.bible-verse {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--blue-dark));
    color: white;
    border-radius: var(--radius);
    margin-top: 2rem;
}

.bible-verse p {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-style: italic;
}

.bible-verse span {
    font-size: 1rem;
    opacity: 0.9;
}

/* ===== FORMULARIO DE DONACIÓN ===== */
.donation-form-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    position: sticky;
    top: 2rem;
}

.donation-form h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.donation-form h2 i {
    color: var(--primary-blue);
}

/* Tarjetas de cuentas bancarias */
.bank-accounts {
    margin-bottom: 2.5rem;
}

.account-card {
    border: 2px solid var(--border-light);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    background: var(--white);
}

.account-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.account-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-light);
}

.bank-icon img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    object-fit: cover;
    border: 2px solid var(--border-blue);
}

.account-details h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.account-details p {
    margin: 0.25rem 0 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.account-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.info-label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 140px;
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-secondary);
    flex: 1;
    text-align: right;
    font-size: 0.9rem;
    word-break: break-all;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.download-btn:hover {
    background: var(--blue-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Campos del formulario */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Botón de enviar */
.submit-btn {
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--blue-dark));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:active {
    transform: translateY(0);
}

/* ===== SECCIÓN DE CAUSAS ===== */
.causes-section {
    background: var(--white);
    padding: 4rem 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-light);
}

.causes-section .container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.causes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.cause-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    text-align: center;
}

.cause-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.cause-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--blue-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.cause-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.cause-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .donation-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }
    
    .donation-form-container {
        position: static;
    }
}

@media (max-width: 768px) {
    .donation-hero {
        padding: 3rem 1.5rem;
    }
    
    .donation-hero h1 {
        font-size: 2.25rem;
    }
    
    .donation-hero p {
        font-size: 1.125rem;
    }
    
    .hero-verse {
        padding: 2rem 1.5rem;
    }
    
    .donation-info,
    .donation-form-container {
        padding: 2rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .info-label {
        min-width: auto;
    }
    
    .info-value {
        text-align: left;
    }
    
    .causes-grid {
        grid-template-columns: 1fr;
    }
    
    .cause-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .donation-container {
        padding: 0 1rem;
    }
    
    .donation-hero h1 {
        font-size: 2rem;
    }
    
    .donation-info,
    .donation-form-container {
        padding: 1.5rem;
    }
    
    .account-card {
        padding: 1.5rem;
    }
    
    .account-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* ===== ANIMACIONES SUAVES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.donation-hero,
.donation-info,
.donation-form-container,
.cause-card {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== ESTADOS DE VALIDACIÓN ===== */
.form-control.valid {
    border-color: var(--success);
}

.form-control.invalid {
    border-color: #dc2626;
}

.validation-feedback {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
}

.valid-feedback {
    color: var(--success);
}

.invalid-feedback {
    color: #dc2626;
}