/* ===== Variables CSS ===== */
:root {
    /* Colores */
    --color-primary: #0066FF;
    --color-primary-light: #3385FF;
    --color-primary-dark: #0052CC;
    --color-primary-glow: rgba(0, 102, 255, 0.4);

    --color-bg: #0A0A0F;
    --color-bg-secondary: #12121A;
    --color-bg-tertiary: #1A1A25;

    --color-text: #FFFFFF;
    --color-text-secondary: #A0A0B0;
    --color-text-muted: #6B6B7B;

    /* Tipografía */
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Bordes */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 50%;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ===== Utilidades ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    text-align: center;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* ===== Botones ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--color-primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text-muted);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-full {
    width: 100%;
}

/* ===== Navegación ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 0.5rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px var(--spacing-md) var(--spacing-lg);
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--color-primary-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0, 102, 255, 0.2) 0%, transparent 50%),
        var(--color-bg);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
}

.hero-title-line {
    display: block;
}

.hero-title-line.accent {
    color: var(--color-primary);
    text-shadow: 0 0 60px var(--color-primary-glow);
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--color-text-secondary);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-player {
    margin-top: var(--spacing-md);
    width: 100%;
    max-width: 400px;
}

.hero-player iframe {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.scroll-indicator {
    display: none;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(10px);
    }
}

/* ===== Biografía ===== */
.biography {
    background: var(--color-bg-secondary);
}

.bio-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .bio-content {
        grid-template-columns: 1fr 2fr;
    }
}

.bio-image-placeholder {
    aspect-ratio: 1;
    max-width: 300px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.bio-image-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-glow), transparent);
    opacity: 0.3;
}

.bio-image-placeholder span {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    z-index: 1;
}

.bio-photo {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 3/4;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    display: block;
    margin: 0 auto;
}

.bio-text {
    color: var(--color-text-secondary);
}

.bio-lead {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.bio-text p {
    margin-bottom: var(--spacing-sm);
}

/* ===== Música / Plataformas ===== */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
}

.platform-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-secondary);
    transition: color var(--transition-normal);
}

.platform-card:hover .platform-icon {
    color: var(--color-primary);
}

.platform-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.platform-card:hover .platform-name {
    color: var(--color-text);
}

/* ===== Redes Sociales ===== */
.social {
    background: var(--color-bg-secondary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.social-link svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-secondary);
    transition: color var(--transition-normal);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--color-primary-glow);
}

.social-link:hover svg {
    color: var(--color-text);
}

/* ===== Contacto ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-value {
    color: var(--color-text);
    font-weight: 500;
}

a.contact-value:hover {
    color: var(--color-primary);
}

/* Formulario */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.footer-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        transition: right var(--transition-normal);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title {
        font-size: clamp(2.5rem, 15vw, 5rem);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}

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

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Intersection Observer animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}