/* ===================================
   RESET Y VARIABLES PROFESIONALES
   =================================== */

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

:root {
    /* Paleta de Colores Premium - Dark Luxury */
    --color-black: #0d0d0d;
    --color-deep-black: #050505;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #2d2d2d;
    --color-slate: #3d3d3d;
    --color-light-gray: #707070;
    --color-lighter-gray: #9a9a9a;
    --color-white: #ffffff;
    --color-off-white: #f8f8f8;
    
    /* Acentos Gold Premium */
    --color-gold: #d4af37;
    --color-gold-light: #e6c85a;
    --color-gold-dark: #b8941f;
    --color-bronze: #cd7f32;
    --color-accent: #d4af37;
    
    /* Gradientes Premium */
    --gradient-gold: linear-gradient(135deg, #d4af37 0%, #b8941f 100%);
    --gradient-dark: linear-gradient(180deg, #0d0d0d 0%, #1a1a1a 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(13, 13, 13, 0) 0%, rgba(13, 13, 13, 0.8) 100%);
    
    /* Tipografía Premium */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-display: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
    
    /* Peso de fuentes */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;
    
    /* Espaciado con escala perfecta (1.5x) */
    --spacing-2xs: 0.25rem;   /* 4px */
    --spacing-xs: 0.5rem;     /* 8px */
    --spacing-sm: 0.75rem;    /* 12px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 3rem;      /* 48px */
    --spacing-3xl: 4rem;      /* 64px */
    --spacing-4xl: 6rem;      /* 96px */
    --spacing-5xl: 8rem;      /* 128px */
    
    /* Tamaños de fuente con escala armónica */
    --font-size-xs: 0.875rem;     /* 14px */
    --font-size-sm: 1rem;         /* 16px */
    --font-size-base: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;      /* 20px */
    --font-size-xl: 1.375rem;     /* 22px */
    --font-size-2xl: 1.625rem;    /* 26px */
    --font-size-3xl: 2rem;        /* 32px */
    --font-size-4xl: 2.5rem;      /* 40px */
    --font-size-5xl: 3.25rem;     /* 52px */
    --font-size-6xl: 4rem;        /* 64px */
    --font-size-7xl: 4.75rem;     /* 76px */
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* Sombras profesionales */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-gold: 0 10px 40px -10px rgba(212, 175, 55, 0.4);
    --shadow-gold-lg: 0 20px 60px -15px rgba(212, 175, 55, 0.5);
    
    /* Transiciones suaves */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 800ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Easing curves profesionales */
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Z-index layers */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1100;
    --z-fixed: 1200;
    --z-modal-backdrop: 1300;
    --z-modal: 1400;
    --z-popover: 1500;
    --z-tooltip: 1600;
}

/* ===================================
   ESTILOS BASE PROFESIONALES
   =================================== */

html {
    scroll-behavior: smooth;
    font-size: 16px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-regular);
    line-height: var(--leading-relaxed);
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

/* Selection color */
::selection {
    background-color: var(--color-gold);
    color: var(--color-black);
}

::-moz-selection {
    background-color: var(--color-gold);
    color: var(--color-black);
}

/* Accesibilidad - Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Container Profesional */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===================================
   HEADER / NAVEGACIÓN PREMIUM
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: var(--z-fixed);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    transition: all var(--transition-base);
}

.header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-gold) 50%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.header:hover::after {
    opacity: 0.3;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    color: var(--color-white);
    letter-spacing: var(--tracking-tight);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.logo-text:hover {
    letter-spacing: var(--tracking-normal);
}

.cta-button-nav {
    padding: 0.75rem 1.75rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-semibold);
}

@media (max-width: 640px) {
    .logo-text {
        font-size: 1rem;
    }
    
    .cta-button-nav {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }

    .cta-button {
        font-size: var(--font-size-sm) !important;
    }
}

/* ===================================
   BOTONES CTA PREMIUM
   =================================== */

.cta-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 1.125rem 2.5rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-semibold);
    color: var(--color-black);
    background: var(--gradient-gold);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow-gold);
    overflow: hidden;
    transition: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: var(--tracking-tight);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 1000ms cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold-lg);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
}

.cta-button:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

.cta-icon {
    font-size: 1.25em;
    transition: transform 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.cta-button:focus {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
}

.cta-button-primary {
    padding: 1.375rem 3rem;
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
}

.cta-button-large {
    padding: 1.5rem 3.5rem;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-extrabold);
}

@media (max-width: 768px) {
    .cta-button {
        padding: 1rem 2rem;
        font-size: var(--font-size-base);
    }
    
    .cta-button-primary {
        padding: 1.125rem 2.25rem;
        font-size: var(--font-size-lg);
    }
    
    .cta-button-large {
        padding: 1.25rem 2.5rem;
        font-size: var(--font-size-xl);
    }
}

/* ===================================
   HERO SECTION PREMIUM
   =================================== */

.hero {
    position: relative;
    padding: calc(var(--spacing-5xl) + 60px) 0 var(--spacing-5xl);
    background: var(--gradient-dark);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(184, 148, 31, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-4xl);
    align-items: center;
    z-index: 1;
}
    padding: calc(var(--spacing-2xl) + 60px) 0 var(--spacing-2xl);
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    text-align: left;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-7xl);
    font-weight: var(--font-black);
    line-height: var(--leading-tight);
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    letter-spacing: var(--tracking-tighter);
}

.highlight {
    position: relative;
    color: var(--color-gold);
    display: inline-block;
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: var(--leading-relaxed);
    color: var(--color-lighter-gray);
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--font-regular);
    max-width: 90%;
}

/* Hero Media (Imagen + Video) Premium */
.hero-media {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    animation: fadeInRight 1s ease-out 0.3s both;
}

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

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transition: all 1200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 1000ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1;
}

.hero-image-wrapper:hover::before {
    opacity: 1;
}

.hero-image-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-gold-lg);
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 4/5;
    transition: transform 1400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.05);
}

.video-play-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 1.125rem 2rem;
    background: rgba(13, 13, 13, 0.4);
    backdrop-filter: blur(10px);
    border: 2px solid var(--color-gold);
    color: var(--color-gold);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
    align-self: flex-start;
    overflow: hidden;
}

.video-play-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--gradient-gold);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 700ms cubic-bezier(0.4, 0, 0.2, 1), height 700ms cubic-bezier(0.4, 0, 0.2, 1);
}

.video-play-button:hover::before {
    width: 300%;
    height: 300%;
}

.video-play-button span {
    position: relative;
    z-index: 1;
    transition: color 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.video-play-button:hover {
    border-color: var(--color-gold-light);
    transform: translateX(8px);
    box-shadow: var(--shadow-gold);
}

.video-play-button:hover span {
    color: var(--color-black);
}

.video-play-button svg {
    position: relative;
    z-index: 1;
    width: 24px;
    height: 24px;
    color: var(--color-gold);
    transition: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.video-play-button:hover svg {
    color: var(--color-black);
    transform: scale(1.1);
}

/* Modal de Video Premium */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    animation: fadeIn 0.5s ease-out;
}

.video-modal[hidden] {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(20px) saturate(120%);
    -webkit-backdrop-filter: blur(20px) saturate(120%);
}

.video-modal-content {
    position: relative;
    max-width: 900px;
    width: 90%;
    z-index: var(--z-modal);
    animation: scaleIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.video-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid var(--color-gold);
    color: var(--color-gold);
    font-size: 2rem;
    cursor: pointer;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1;
    font-weight: var(--font-light);
}

.video-modal-close:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: rotate(90deg) scale(1.1);
    box-shadow: var(--shadow-gold);
}

.video-player {
    width: 100%;
    max-height: 70vh;
    aspect-ratio: 16/9;
    object-fit: contain;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(212, 175, 55, 0.2);
    background: var(--color-black);
}

/* ===================================
   RESPONSIVE HERO PREMIUM
   =================================== */

@media (max-width: 1200px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
    
    .hero-grid {
        gap: var(--spacing-3xl);
    }
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
        min-height: auto;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-media {
        align-items: center;
    }
    
    .video-play-button {
        align-self: center;
    }
    
    .video-modal {
        padding: var(--spacing-lg);
    }
    
    .video-modal-content {
        max-width: 95%;
        width: 95%;
    }
    
    .video-player {
        max-height: 60vh;
    }
    
    .video-modal-close {
        top: -40px;
        width: 44px;
        height: 44px;
        font-size: 1.75rem;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .cta-button-nav {
        padding: 0.625rem 1.25rem;
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .video-play-button {
        padding: 1rem 1.5rem;
        font-size: var(--font-size-sm);
    }
    
    .video-play-button svg {
        width: 20px;
        height: 20px;
    }
    
    .video-modal {
        padding: var(--spacing-md);
    }
    
    .video-modal-content {
        max-width: 95%;
        width: 95%;
    }
    
    .video-player {
        max-height: 50vh;
    }
    
    .video-modal-close {
        top: -35px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}
        min-height: auto;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-media {
        align-items: center;
    }
    
    .video-play-button {
        align-self: center;
    }
    
    .video-modal-close {
        top: -35px;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .video-play-button {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-size-sm);
    }
    
    .video-play-button svg {
        width: 20px;
        height: 20px;
    }
    
    .video-modal {
        padding: var(--spacing-sm);
    }
}

/* ===================================
   INTRO SECTION
   =================================== */

.intro-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    position: relative;
}

.intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-gold) 50%, transparent 100%);
    opacity: 0.3;
}

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

.intro-text {
    font-size: var(--font-size-xl);
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.intro-highlight {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-left: 4px solid var(--color-gold);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.02) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-gold-md);
}

.intro-statement {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-bold);
    line-height: 1.4;
    color: var(--color-white);
    font-family: var(--font-heading);
}

.intro-description {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .intro-text {
        font-size: var(--font-size-lg);
    }
    
    .intro-statement {
        font-size: var(--font-size-xl);
    }
    
    .intro-description {
        font-size: var(--font-size-base);
    }
}

/* ===================================
   TARGET AUDIENCE SECTION
   =================================== */

.target-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark-bg) 100%);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-extrabold);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.target-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.target-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-dark);
    font-size: var(--font-size-lg);
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow-md);
}

.target-item:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, var(--color-dark-gray) 100%);
    transform: translateX(12px) scale(1.02);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold-lg);
}

.target-icon {
    color: var(--color-gold);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
    transition: transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.target-item:hover .target-icon {
    transform: scale(1.2) rotate(5deg);
}

.target-footer {
    max-width: 700px;
    margin: var(--spacing-2xl) auto 0;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    border-left: 4px solid var(--color-gold);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-gold-md);
}

.target-footer-text {
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .target-item {
        font-size: var(--font-size-base);
    }
}

/* ===================================
   PROBLEM SECTION
   =================================== */

.problem-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(180deg, var(--color-dark-bg) 0%, var(--color-black) 100%);
    position: relative;
}

.problem-intro {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text);
    font-weight: var(--font-medium);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-3xl);
}

.problem-card {
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    border: 2px solid var(--color-gray-dark);
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    transform: scaleX(0);
    transition: transform 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.problem-card:hover::before {
    transform: scaleX(1);
}

.problem-card:hover {
    border-color: var(--color-gold);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, var(--color-dark-gray) 100%);
    transform: translateY(-8px);
    box-shadow: var(--shadow-gold-xl);
}

.problem-card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    color: var(--color-white);
    line-height: 1.4;
}

.problem-conclusion {
    font-size: var(--font-size-2xl);
    text-align: center;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.problem-solution {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-extrabold);
    text-align: center;
    color: var(--color-gold);
    font-family: var(--font-heading);
}

@media (max-width: 768px) {
    .problem-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   LEARN SECTION
   =================================== */

.learn-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark-bg) 100%);
}

.learn-intro {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    color: var(--color-text);
    font-weight: var(--font-medium);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto var(--spacing-2xl);
}

.pillar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-dark);
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow-md);
    position: relative;
}

.pillar-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pillar-item:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, var(--color-dark-gray) 100%);
    transform: translateY(-4px) scale(1.03);
    box-shadow: var(--shadow-gold-xl);
}

.pillar-item:hover::before {
    opacity: 1;
}

.pillar-check {
    color: var(--color-gold);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    flex-shrink: 0;
    transition: all 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.pillar-item:hover .pillar-check {
    transform: scale(1.2) rotate(10deg);
}

.pillar-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-semibold);
    color: var(--color-white);
}

.learn-footer {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
}

.learn-footer-text {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.learn-principles {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-light-gray);
    font-weight: 600;
}

@media (max-width: 768px) {
    .pillars-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   BENEFITS SECTION
   =================================== */

.benefits-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(180deg, var(--color-dark-bg) 0%, var(--color-black) 100%);
}

.benefits-intro {
    font-size: var(--font-size-2xl);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    color: var(--color-text);
    font-weight: var(--font-medium);
}

.benefits-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.benefit-item {
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    border-left: 4px solid var(--color-gold);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    transition: all 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
    font-weight: var(--font-medium);
    border: 1px solid var(--color-gray-dark);
    border-left-width: 4px;
}

.benefit-item:hover {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, var(--color-dark-gray) 100%);
    transform: translateX(16px) scale(1.02);
    box-shadow: var(--shadow-gold-lg);
    border-color: var(--color-gold);
}

.benefits-footer {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-black);
    border-radius: 4px;
}

.benefits-footer-text {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    color: var(--color-white);
}

/* ===================================
   AUTHOR SECTION
   =================================== */

.author-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-black);
}

.author-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.author-image-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.author-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.author-image:hover {
    transform: scale(1.02);
}

.author-image-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--color-olive-dark) 0%, var(--color-olive) 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-initials {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    color: var(--color-white);
}

.author-name {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.author-role {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.author-description {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-sm);
}

.author-philosophy {
    font-size: var(--font-size-lg);
    line-height: 1.6;
    color: var(--color-white);
    margin: var(--spacing-md) 0;
}

.author-approach {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-light-gray);
}

@media (max-width: 768px) {
    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .author-image {
        width: 180px;
        height: 180px;
        margin: 0 auto var(--spacing-md) auto;
    }
    
    .author-image-placeholder {
        width: 180px;
        height: 180px;
        margin: 0 auto var(--spacing-md) auto;
    }
    
    .author-initials {
        font-size: var(--font-size-5xl);
    }
    
    .author-name {
        font-size: var(--font-size-3xl);
    }
}

/* ===================================
   MAIN CTA SECTION
   =================================== */

.main-cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-dark-gray) 0%, var(--color-black) 100%);
    text-align: center;
}

.cta-section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

@media (max-width: 768px) {
    .cta-section-title {
        font-size: var(--font-size-3xl);
    }
}

/* ===================================
   NEXT SECTION
   =================================== */

.next-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-dark-gray);
}

.next-intro {
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-light-gray);
}

.next-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.next-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.next-bullet {
    color: var(--color-accent);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
    line-height: 1;
}

.next-footer {
    max-width: 400px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-black);
    border-radius: 4px;
}

.next-footer-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-white);
    font-weight: 600;
}

/* ===================================
   FINAL SECTION
   =================================== */

.final-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-black);
    text-align: center;
}

.final-statement {
    font-size: var(--font-size-2xl);
    line-height: 1.5;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.final-description {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-md);
}

.final-challenge {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .final-statement {
        font-size: var(--font-size-xl);
    }
    
    .final-description,
    .final-challenge {
        font-size: var(--font-size-lg);
    }
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-dark-gray);
    border-top: 1px solid var(--color-medium-gray);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-text {
    color: var(--color-light-gray);
    font-size: var(--font-size-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--color-light-gray);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.footer-credit {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    opacity: 0.7;
    text-align: center;
}

.footer-credit strong {
    color: var(--color-gold);
    font-weight: var(--font-semibold);
}

.footer-knd-link {
    text-decoration: none;
    color: inherit;
    transition: all 500ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.footer-knd-link:hover {
    opacity: 1;
}

.footer-knd-link:hover strong {
    color: var(--color-gold-light);
    text-decoration: underline;
}

@media (max-width: 640px) {
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

/* ===================================
   MODAL
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-base);
}

.modal[hidden] {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: var(--color-dark-gray);
    padding: var(--spacing-lg);
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp var(--transition-base);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--color-light-gray);
    font-size: var(--font-size-4xl);
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: 0;
    width: 40px;
    height: 40px;
}

.modal-close:hover {
    color: var(--color-white);
}

.modal-close:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.modal-description {
    font-size: var(--font-size-base);
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   FORMULARIO
   =================================== */

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
}

.form-input {
    padding: 0.75rem;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    color: var(--color-white);
    background-color: var(--color-medium-gray);
    border: 2px solid transparent;
    border-radius: 4px;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-dark-gray);
}

.form-input::placeholder {
    color: var(--color-light-gray);
}

.form-error {
    color: #e85d75;
    font-size: var(--font-size-sm);
    min-height: 1.25rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-light-gray);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    cursor: pointer;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.cta-button-submit {
    margin-top: var(--spacing-sm);
    width: 100%;
}

.cta-button-skip {
    margin-top: var(--spacing-sm);
    width: 100%;
    background: transparent;
    border: 2px solid var(--color-medium-gray);
    color: var(--color-light-gray);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.cta-button-skip:hover {
    border-color: var(--color-light-gray);
    color: var(--color-white);
    transform: translateY(0);
    box-shadow: none;
}

.cta-button-skip:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===================================
   ANIMACIONES
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===================================
   OPTIMIZACIÓN DE IMPRESIÓN
   =================================== */

@media print {
    .header,
    .cta-button,
    .modal,
    .footer-links {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
}

/* ===================================
   MODO OSCURO (ya está implementado)
   =================================== */

@media (prefers-color-scheme: light) {
    /* El usuario prefiere modo claro, pero mantenemos el diseño oscuro
       ya que es parte de la identidad de marca */
}

/* ===================================
   REDUCCIÓN DE MOVIMIENTO (Accesibilidad)
   =================================== */

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-dark-bg);
    min-height: 100vh;
}

.legal-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-extrabold);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: var(--leading-tight);
    text-align: center;
}

.legal-intro {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3xl);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    color: var(--color-text);
}

.legal-content h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-bold);
    color: var(--color-gold);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    line-height: var(--leading-tight);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
    line-height: var(--leading-relaxed);
    color: var(--color-text);
}

.legal-content ul {
    margin: var(--spacing-md) 0 var(--spacing-lg) var(--spacing-lg);
    list-style: none;
}

.legal-content ul li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-text);
}

.legal-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: var(--font-bold);
    font-size: var(--font-size-xl);
}

.legal-content strong {
    color: var(--color-white);
    font-weight: var(--font-semibold);
}

.legal-footer {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-dark);
    text-align: center;
}

.legal-footer p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}