/* ═══════════════════════════════════════════
   ANTHONY RODRÍGUEZ - VENCIENDO GIGANTES
   Estilos principales
   ═══════════════════════════════════════════ */

/* Variables de color basadas en la portada del libro */
:root {
    /* Colores principales */
    --color-bg-dark: #0f0f2d;
    --color-bg-medium: #1a1a3e;
    --color-bg-light: #2d2d5a;
    --color-accent: #d4a84b;
    --color-accent-light: #e8c068;
    --color-accent-dark: #b8923f;
    --color-text: #ffffff;
    --color-text-muted: #a0a0c0;
    --color-blue-light: #4a90b8;
    --color-blue-accent: #5ba3cc;
    
    /* Tipografía */
    --font-display: 'Cinzel', serif;
    --font-body: 'Cormorant Garamond', serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

/* Reset y base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg-dark);
    overflow-x: hidden;
}

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

/* ═══════════════════════════════════════════
   HEADER Y NAVEGACIÓN
   ═══════════════════════════════════════════ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 45, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 168, 75, 0.1);
}

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

.logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn-nav):hover {
    color: var(--color-accent);
}

.nav-links a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-links a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    background: var(--color-accent);
    color: var(--color-bg-dark) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
}

.btn-nav:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

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

.mobile-menu span {
    width: 25px;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(74, 144, 184, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(212, 168, 75, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-medium) 50%, var(--color-bg-dark) 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 200px;
    background: linear-gradient(180deg, transparent, var(--color-accent), transparent);
    opacity: 0.5;
}

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

.author-photo {
    max-width: 350px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
    text-shadow: 0 0 60px rgba(212, 168, 75, 0.3);
}

.hero-tagline {
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    margin: 10px auto 0;
    border-right: 2px solid var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    transform: rotate(45deg);
    opacity: 0.6;
}

/* ═══════════════════════════════════════════
   BOTONES
   ═══════════════════════════════════════════ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 168, 75, 0.3);
}

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

.btn-secondary:hover {
    background: var(--color-text);
    color: var(--color-bg-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-bg-dark);
}

/* ═══════════════════════════════════════════
   LIBRO SECTION
   ═══════════════════════════════════════════ */

.libro-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-medium) 100%);
}

.libro-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.libro-image {
    position: relative;
}

.libro-image img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 8px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 100px rgba(212, 168, 75, 0.1);
    transition: var(--transition);
}

.libro-image:hover img {
    transform: translateY(-10px) rotate(-2deg);
    box-shadow: 
        0 35px 60px rgba(0, 0, 0, 0.6),
        0 0 120px rgba(212, 168, 75, 0.2);
}

.libro-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 4px;
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-label.center {
    display: block;
    text-align: center;
}

.libro-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.libro-tomo {
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.libro-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.libro-highlight {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.libro-features {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.feature-icon {
    font-size: 1.2rem;
    color: #d4a84b;
}

.libro-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* ═══════════════════════════════════════════
   RETIRO SECTION
   ═══════════════════════════════════════════ */

.retiro-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
}

.retiro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.retiro-card {
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-light) 100%);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid rgba(212, 168, 75, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.retiro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: var(--transition);
}

.retiro-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 168, 75, 0.3);
}

.retiro-card:hover::before {
    opacity: 1;
}

.retiro-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.retiro-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.retiro-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.card-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--color-accent-light);
    transform: translateX(5px);
}

/* ═══════════════════════════════════════════
   FRASE SECTION
   ═══════════════════════════════════════════ */

.frase-section {
    padding: var(--spacing-xl) 0;
    background: 
        radial-gradient(ellipse at center, rgba(212, 168, 75, 0.05) 0%, transparent 70%),
        var(--color-bg-medium);
    position: relative;
}

.frase-section::before,
.frase-section::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    left: 50%;
    transform: translateX(-50%);
}

.frase-section::before {
    top: 0;
}

.frase-section::after {
    bottom: 0;
}

.frase {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.frase p {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-style: italic;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.frase cite {
    font-style: normal;
    font-size: 0.95rem;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════
   INVITACIONES SECTION
   ═══════════════════════════════════════════ */

.invitaciones-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-dark);
}

.invitaciones-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.invitaciones-content h2 {
    text-align: left;
    margin-bottom: var(--spacing-sm);
}

.invitaciones-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.invitaciones-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.invitaciones-list li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

.invitaciones-list li::before {
    content: '✝';
    position: absolute;
    left: 0;
    color: #d4a84b;
    font-size: 1rem;
    font-weight: bold;
}

.invitaciones-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-bg-medium) 0%, var(--color-bg-light) 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid rgba(212, 168, 75, 0.2);
}

.cross {
    font-size: 5rem;
    color: var(--color-accent);
    opacity: 0.5;
}

/* ═══════════════════════════════════════════
   CONTACTO SECTION
   ═══════════════════════════════════════════ */

.contacto-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-medium) 100%);
}

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

.contacto-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-light);
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid rgba(212, 168, 75, 0.1);
    transition: var(--transition);
    min-width: 250px;
}

.contacto-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 15px 40px rgba(212, 168, 75, 0.1);
}

.contacto-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.contacto-label {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.contacto-info {
    color: var(--color-accent);
    font-size: 0.9rem;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background: var(--color-bg-dark);
    border-top: 1px solid rgba(212, 168, 75, 0.1);
}

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

.footer-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 0.25rem;
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

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

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

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

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.soli-deo {
    font-style: italic;
    color: var(--color-accent);
    opacity: 0.7;
}

/* ═══════════════════════════════════════════
   ANIMACIONES
   ═══════════════════════════════════════════ */

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

@keyframes float {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

/* ═══════════════════════════════════════════
   RESPONSIVE - MOBILE FIRST
   ═══════════════════════════════════════════ */

/* Tablets (768px - 991px) */
@media (max-width: 991px) {
    .libro-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .libro-image {
        order: -1;
        margin-bottom: var(--spacing-sm);
    }
    
    .libro-image img {
        max-width: 250px;
        margin: 0 auto;
        display: block;
    }
    
    .libro-features {
        justify-content: center;
    }
    
    .libro-buttons {
        justify-content: center;
    }
    
    .retiro-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .invitaciones-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .invitaciones-content h2 {
        text-align: center;
    }
    
    .invitaciones-list {
        display: inline-block;
        text-align: left;
    }
    
    .invitaciones-image {
        order: -1;
        margin-bottom: var(--spacing-md);
    }
    
    .author-photo {
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
    }
}

/* Móviles (hasta 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }
    
    body {
        font-size: 16px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    /* NAVEGACIÓN MÓVIL - LINKS VISIBLES SIEMPRE */
    .nav {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .logo {
        font-size: 1rem;
        width: 100%;
        text-align: center;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid rgba(212, 168, 75, 0.2);
    }
    
    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem 0.5rem;
        width: 100%;
    }
    
    .nav-links li {
        display: inline;
    }
    
    .nav-links a {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
        white-space: nowrap;
    }
    
    .nav-links a.btn-nav {
        font-size: 0.7rem;
        padding: 0.35rem 0.5rem;
    }
    
    /* OCULTAR BOTÓN HAMBURGUESA */
    .mobile-menu {
        display: none !important;
    }
    
    /* HERO MÓVIL */
    .hero {
        min-height: auto;
        padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
        letter-spacing: 0.15em;
    }
    
    .hero-tagline {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    /* SECCIONES MÓVIL */
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        padding: 0 0.5rem;
    }
    
    /* LIBRO MÓVIL */
    .libro-section {
        padding: var(--spacing-lg) 0;
    }
    
    .libro-image img {
        max-width: 200px;
    }
    
    .libro-title {
        font-size: 1.8rem;
    }
    
    .libro-tomo {
        font-size: 1.1rem;
    }
    
    .libro-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .feature {
        justify-content: center;
    }
    
    .libro-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .libro-buttons .btn {
        width: 100%;
    }
    
    /* RETIRO MÓVIL */
    .retiro-section {
        padding: var(--spacing-lg) 0;
    }
    
    .retiro-card {
        padding: var(--spacing-md);
    }
    
    .retiro-number {
        font-size: 2rem;
    }
    
    /* FRASE MÓVIL */
    .frase-section {
        padding: var(--spacing-lg) 0;
    }
    
    .frase p {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    /* INVITACIONES MÓVIL */
    .invitaciones-section {
        padding: var(--spacing-lg) 0;
    }
    
    .author-photo {
        max-width: 200px;
    }
    
    .invitaciones-list li {
        font-size: 0.95rem;
    }
    
    /* CONTACTO MÓVIL */
    .contacto-section {
        padding: var(--spacing-lg) 0;
    }
    
    .contacto-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .contacto-card {
        width: 100%;
        max-width: 300px;
        padding: var(--spacing-md);
    }
    
    /* FOOTER MÓVIL */
    .footer {
        padding: var(--spacing-md) 0;
    }
    
    .footer-name {
        font-size: 1.3rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .footer-links a {
        padding: 0.5rem 0;
    }
    
    /* BOTONES MÓVIL */
    .btn {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* Móviles pequeños (hasta 375px) */
@media (max-width: 375px) {
    .hero-title {
        font-size: 1.7rem;
    }
    
    .libro-image img {
        max-width: 180px;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .libro-title {
        font-size: 1.5rem;
    }
}