:root {
    --brand-yellow: #ffff00;
    --brand-black: #000000;
    --dark-gray: #1a1a1a;
    --light-gray: #f4f4f4;
    --white: #ffffff;
    --error-red: #ff3333;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--brand-black);
    background-color: var(--light-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.site-header {
    background-color: var(--brand-black);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    max-height: 40px;
    display: block;
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    background-image: url('Portada.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 20px;
}

.hero h1 {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.cta-button {
    background-color: var(--brand-yellow);
    color: var(--brand-black);
    border: none;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 800;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-transform: uppercase;
    transition: transform var(--transition-speed), background-color var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 4px 15px rgba(255, 255, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    background-color: #e6e600;
    box-shadow: 0 6px 20px rgba(255, 255, 0, 0.4);
}

.cta-button:active {
    transform: translateY(1px);
}

/* Form Section */
.form-section {
    background-color: var(--white);
    padding: 60px 0;
}

.form-wrapper {
    max-width: 500px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.form-wrapper h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color var(--transition-speed);
}

.form-group input:focus {
    outline: none;
    border-color: var(--brand-black);
}

.phone-input-wrapper {
    display: flex;
    align-items: center;
}

.country-code {
    background-color: var(--light-gray);
    border: 2px solid #ddd;
    border-right: none;
    padding: 15px;
    font-weight: 600;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    color: var(--dark-gray);
}

.phone-input-wrapper input {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.error-message {
    display: none;
    color: var(--error-red);
    font-size: 0.85rem;
    margin-top: 5px;
    font-weight: 600;
}

.form-group.error input {
    border-color: var(--error-red);
}

.form-group.error .error-message {
    display: block;
}

.submit-button {
    width: 100%;
    background-color: var(--brand-black);
    color: var(--white);
    border: none;
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 800;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-transform: uppercase;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    margin-top: 10px;
}

.submit-button:hover {
    background-color: var(--dark-gray);
    transform: translateY(-2px);
}

.submit-button:active {
    transform: translateY(1px);
}

/* Animations and Success State */
.fade-transition {
    transition: opacity 0.5s ease, transform 0.5s ease;
    opacity: 1;
    transform: translateY(0);
}

.fade-transition.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.success-message-container {
    text-align: center;
    padding: 20px 0;
}

.success-message-container h2 {
    font-size: 2rem;
    color: var(--brand-black);
    margin-bottom: 15px;
}

.success-message-container p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    line-height: 1.8;
}

.success-icon {
    font-size: 4rem;
    color: var(--brand-yellow);
    margin-bottom: 20px;
    display: inline-block;
    animation: heartBeat 1.5s infinite;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    14% { transform: scale(1.1); }
    28% { transform: scale(1); }
    42% { transform: scale(1.1); }
    70% { transform: scale(1); }
}

/* Footer */
.site-footer {
    background-color: var(--brand-black);
    color: var(--white);
    padding: 40px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-logo {
    max-height: 40px;
    display: block;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #333;
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.social-links a:hover {
    background-color: var(--brand-yellow);
    color: var(--brand-black);
}

.footer-links a {
    color: #999;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--brand-yellow);
}

/* Media Queries */
@media (min-width: 768px) {
    .hero h1 {
        font-size: 4rem;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}