:root {
    --primary-color: #4A90E2; /* Azul orgánico vívido */
    --secondary-color: #50C878; /* Verde alegre */
    --accent-color: #F5A623; /* Naranja energizante */
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #F8FBFF;
    --white: #FFF;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo a {
    font-family: 'Oxanium', cursive;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    transition: var(--transition);
}

.nav-links a:hover, .cta-nav {
    color: var(--accent-color);
}

.btc-icon {
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.btc-icon:hover {
    transform: scale(1.1);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-family: 'Oxanium', cursive;
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    font-weight: 700;
}

.highlight {
    color: var(--accent-color);
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-hero {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-hero:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

/* Secciones Generales */
section {
    padding: 5rem 0;
}

.section-title {
    font-family: 'Oxanium', cursive;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-desc {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Proceso */
.proceso {
    background: var(--bg-light);
}

.proceso-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.proceso-step {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.proceso-step:hover {
    transform: translateY(-10px);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.proceso-step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Portafolio */
.portafolio {
    background: var(--white);
}

.portafolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portafolio-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.portafolio-card:hover {
    transform: scale(1.05);
}

.portafolio-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.portafolio-card:hover .card-overlay {
    transform: translateY(0);
}

.card-overlay h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.card-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 700;
}

/* Testimonios */
.testimonios {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--white);
}

.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonio {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.testimonio img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.testimonio p {
    font-style: italic;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.testimonio-author h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 3rem 0 1rem;
}

.footer-content {
    margin-bottom: 2rem;
}

.footer-logo a {
    font-family: 'Oxanium', cursive;
    font-size: 1.8rem;
    color: var(--accent-color);
    text-decoration: none;
}

.footer-contacts {
    margin: 1rem 0;
}

.whatsapp-cta {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 30px;
    margin-top: 1rem;
    transition: var(--transition);
}

.whatsapp-cta:hover {
    background: var(--accent-color);
}

.footer-btc {
    margin-top: 1rem;
    width: 100%;
}

.footer-copy {
    opacity: 0.8;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Agrega menú hamburguesa en JS si necesitas */
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .proceso-grid {
        grid-template-columns: 1fr;
    }
}

/* Animaciones Scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}