/* ===== VARIABLES ===== */
:root {
    --color-black: #111111;
    --color-white: #FFFFFF;
    --color-beige: #C9B08A;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-gray-dark: #666666;
    
    --font-titles: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-claim: 'Poppins', sans-serif;
    
    --transition: all 0.3s ease;
}

/* ===== RESET Y BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-black);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3 {
    font-family: var(--font-titles);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1rem;
    text-align: center;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: 0.75rem;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-light) 100%);
    padding: 60px 20px 80px;
    text-align: center;
}

.logo-container {
    margin-bottom: 30px;
}

.logo {
    max-width: 300px;
    height: auto;
}

.claim {
    font-family: var(--font-claim);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 300;
    color: var(--color-beige);
    margin-bottom: 20px;
}

.hero-text {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-gray-dark);
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.7;
}

/* ===== BOTONES CTA ===== */
.cta-button {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font-titles);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.cta-button.primary {
    background-color: var(--color-black);
    color: var(--color-white);
}

.cta-button.primary:hover {
    background-color: var(--color-beige);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.cta-button.large {
    padding: 20px 50px;
    font-size: 1.25rem;
}

.cta-button.full-width {
    width: 100%;
    padding: 18px;
}

/* ===== TRUST BADGES ===== */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.badge {
    background-color: var(--color-white);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-black);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* ===== BENEFICIO PRINCIPAL ===== */
.main-benefit {
    padding: 80px 20px;
    background-color: var(--color-white);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.benefit-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    background-color: var(--color-gray-light);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

/* ===== CÓMO FUNCIONA ===== */
.how-it-works {
    padding: 80px 20px;
    background: linear-gradient(to bottom, var(--color-gray-light), var(--color-white));
}

.section-subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-gray-dark);
    margin-bottom: 50px;
}

/* Cuadrícula 2x2 para los 4 pasos */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-beige), #b39878);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 25px;
    box-shadow: 0 4px 12px rgba(201, 176, 138, 0.3);
}

.step-card h3 {
    font-size: 1.35rem;
    margin-bottom: 15px;
    color: var(--color-black);
}

.step-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-dark);
}

/* Responsive: 1 columna en móvil */
@media (max-width: 768px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        max-width: 400px;
    }
    
    .step-card {
        padding: 35px 25px;
    }
}

/* ===== FORMULARIO ===== */
.form-section {
    padding: 80px 20px;
    background-color: var(--color-white);
}

.form-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    max-width: 1100px;
    margin: 0 auto;
}

.form-content h2 {
    text-align: left;
    margin-bottom: 10px;
}

.form-content > p {
    color: var(--color-gray-dark);
    margin-bottom: 30px;
}

/* ===== FORMULARIO INPUTS ===== */
.hipoteca-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-black);
}

.form-group input,
.form-group textarea {
    padding: 14px;
    border: 2px solid var(--color-gray-medium);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-beige);
    box-shadow: 0 0 0 3px rgba(201, 176, 138, 0.1);
}

.checkbox-group {
    margin: 10px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.form-note {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    text-align: center;
    margin-top: 10px;
}

/* ===== MENSAJES ===== */
.success-message,
.error-message {
    text-align: center;
    padding: 40px;
    border-radius: 12px;
    margin-top: 30px;
}

.success-message {
    background-color: #d4edda;
    border: 2px solid #28a745;
}

.error-message {
    background-color: #f8d7da;
    border: 2px solid #dc3545;
}

.success-icon,
.error-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.success-icon {
    color: #28a745;
}

.error-icon {
    color: #dc3545;
}

/* ===== BENEFICIOS DEL FORMULARIO ===== */
.form-benefits {
    background-color: var(--color-gray-light);
    padding: 40px;
    border-radius: 12px;
}

.form-benefits h3 {
    margin-bottom: 25px;
    color: var(--color-black);
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1rem;
}

.check-icon {
    color: var(--color-beige);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ===== BENEFICIOS CLAVE ===== */
.key-benefits {
    padding: 80px 20px;
    background-color: var(--color-gray-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.benefit-item {
    text-align: center;
    padding: 30px;
}

.benefit-icon-large {
    font-size: 4rem;
    margin-bottom: 20px;
}

/* ===== CTA FINAL ===== */
.final-cta {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--color-black) 0%, #2a2a2a 100%);
    color: var(--color-white);
    text-align: center;
}

.final-cta h2 {
    color: var(--color-white);
    margin-bottom: 15px;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 50px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-img {
    max-width: 200px;
    margin-bottom: 15px;
    /* Logo ya tiene fondo transparente, no necesita filtros */
}

.footer-claim {
    font-family: var(--font-claim);
    color: var(--color-beige);
    font-size: 1.1rem;
}

.footer-legal h4 {
    color: var(--color-beige);
    margin-bottom: 15px;
    font-size: 1rem;
}

.footer-legal p {
    font-size: 0.85rem;
    line-height: 1.6;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    .form-wrapper {
        grid-template-columns: 1.5fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefit-card,
.step-card,
.benefit-item {
    animation: fadeIn 0.6s ease-out;
}