/* ===================================
   NONE Landing Page - Diseño Moderno y Terapéutico
   =================================== */

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: #6366f1;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 8px 0;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid #fff;
    outline-offset: 3px;
}

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

/* Variables CSS */
:root {
    /* Colores - Paleta moderna inspirada en terapia y comunicación */
    --color-primary: #4f46e5;        /* Indigo oscuro - mejor contraste */
    --color-primary-dark: #4338ca;   /* Indigo más oscuro */
    --color-primary-light: #6366f1;  /* Indigo vibrante */

    --color-secondary: #a78bfa;      /* Púrpura suave */
    --color-secondary-dark: #8b5cf6; /* Púrpura */

    --color-accent: #fbbf24;         /* Amarillo cálido */
    --color-accent-light: #fef3c7;   /* Amarillo muy claro */
    --color-accent-dark: #f59e0b;    /* Amarillo oscuro */

    --color-success: #10b981;        /* Verde éxito */
    --color-error: #ef4444;          /* Rojo error */
    --color-info: #3b82f6;           /* Azul info */

    --color-bg-light: #ffffff;
    --color-bg-lighter: #f8fafc;
    --color-bg-accent: #fef3c7;
    --color-bg-gradient-start: #f0f9ff;
    --color-bg-gradient-end: #e0e7ff;

    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-light: #5a6678;  /* Mejorado de #64748b para contraste 4.5:1 */

    /* Tipografía - Clara y expresiva */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-size-base: 18px;
    --font-size-small: 16px;
    --font-size-medium: 20px;
    --font-size-large: 28px;
    --font-size-xlarge: 40px;
    --font-size-hero: 72px;

    /* Espaciado generoso */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Bordes y sombras modernas */
    --border-radius: 16px;
    --border-radius-large: 24px;
    --border-radius-xl: 32px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    --shadow-colored: 0 12px 32px rgba(99, 102, 241, 0.2);

    /* Transiciones suaves */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    background-color: #ffffff;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Contenedor principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ===================================
   HERO SECTION - Diseño Moderno
   =================================== */
.hero {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    height: 700px;
}

/* Fondos decorativos del hero removidos para mantener fondo blanco */

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(-50px, -50px) scale(1.1);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-content {
    
    width: 100%;
    max-width: 100%;
    text-align: left;
    padding: 0;
}

.hero-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: -300px;
    margin-bottom: calc(-1 * var(--spacing-xxl) * 1.5);
    margin-left: var(--spacing-xl);

    min-height: 400px;
    width: 400px;
}

.hero-logo lottie-player {
    display: block;
    clip-path: inset(15% 0 15% 0);
    transform: scale(1.3);
}

.hero-brand-text {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 900;
    color: var(--color-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

.hero-badge {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
    border: 2px solid var(--color-primary-light);
    border-radius: 50px;
    font-size: var(--font-size-small);
    font-weight: 700;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.4), 0 0 30px rgba(167, 139, 250, 0.2);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-hero);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: var(--font-size-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 100%;
}

.highlight {
    background: linear-gradient(180deg, transparent 10%, #fef08a 10%);
    padding: 2px 6px;
    border-radius: 2px;
    font-weight: 800;
    font-size: 1.1em;
    color: var(--color-text-primary);
    position: relative;
    display: inline-block;
    line-height: 1.3;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    justify-content: flex-start;
}

.store-badges-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.github-badge-wrapper {
    display: flex;
    width: 100%;
    justify-content: flex-start;
}

.store-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 10px;
    overflow: hidden;
    height: 56px;
    width: 168px;
}

.store-badge:hover {
    transform: translateY(-4px);
    opacity: 0.9;
}

.store-badge img {
    display: block;
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 10px;
}

/* Scale up Google Play badges to match other store badges */
.store-badge img[src*="google-play-badge"] {
    transform: scale(1.2);
}

/* Disabled store badge styles */
.store-badge-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.store-badge-wrapper.disabled {
    cursor: not-allowed;
}

.store-badge.disabled {
    pointer-events: none;
    cursor: not-allowed;
    opacity: 0.5;
}

.store-badge.disabled:hover {
    transform: none;
}

/* Status badges - base styles */
.status-badge {
    position: absolute;
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

/* Green status badge - for "Waiting Approval" */
.status-badge-green {
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
}

/* Yellow status badge - for "Coming Soon" */
.status-badge-yellow {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

/* Legacy support */
.coming-soon-badge {
    position: absolute;
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

/* Header navigation container */
header[role="banner"] {
    position: relative;
    width: 100%;
}

header[role="banner"] nav {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    height: 80px;
}

.github-star-button {
    position: absolute;
    top: 24px;
    right: calc(var(--spacing-xl) + 165px);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: transparent;
    color: #24292f;
    border: 1px solid rgba(27, 31, 36, 0.15);
    padding: 10px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1;
    height: 40px;
    z-index: 10;
    transition: var(--transition-fast);
}

.github-star-button:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-color: rgba(27, 31, 36, 0.25);
}

.github-star-button svg {
    flex-shrink: 0;
}

/* Language Selector */
.language-selector {
    position: absolute;
    top: 24px;
    right: var(--spacing-xl);
    z-index: 1001;
}

.language-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: transparent;
    color: #24292f;
    border: 1px solid rgba(27, 31, 36, 0.15);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1;
    height: 40px;
    cursor: pointer;
    transition: var(--transition-fast);
    overflow: visible;
}

.language-button:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-color: rgba(27, 31, 36, 0.25);
}

.language-button svg {
    margin-left: 6px;
    flex-shrink: 0;
}

.flag-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
    border-radius: 50%;
    flex-shrink: 0;
    display: block;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border: 1px solid rgba(27, 31, 36, 0.15);
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
    min-width: 220px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
}

.language-selector:hover .language-dropdown,
.language-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    color: #24292f;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: background-color 0.15s ease;
}

.language-option:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.language-option.active {
    background-color: rgba(99, 102, 241, 0.08);
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   BOTONES
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-height: 48px;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.btn::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 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}

/* Global focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
.language-button:focus,
.github-star-button:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    transition: outline-offset 0.2s ease;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
    outline: none;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-colored);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: #24292f;
    color: white;
    border: 2px solid #24292f;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: #1c2127;
    border-color: #1c2127;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: var(--spacing-md) calc(var(--spacing-xl) * 1.5);
    font-size: var(--font-size-medium);
    min-height: 60px;
    border-radius: var(--border-radius-large);
}

/* ===================================
   SECCIONES
   =================================== */
.section {
    padding: calc(var(--spacing-xxl) * 1.5) 0;
}

.section-light {
    background-color: #fafafa;
}

.section-accent {
    background-color: #ffffff;
}

.section-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.section-cta .section-title,
.section-cta .text-center {
    color: white;
    position: relative;
    z-index: 1;
}

.section-cta .btn-primary {
    background: white;
    color: var(--color-primary);
}

.section-cta .btn-primary:hover {
    background: var(--color-accent);
    color: white;
    transform: translateY(-4px) scale(1.05);
}

.section-story {
    background: #ffffff;
}

.section-title {
    font-size: var(--font-size-xlarge);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-primary);
}

/* ===================================
   CONTENT BOXES
   =================================== */
.content-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-md);
}

.text-large {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.text-medium {
    font-size: var(--font-size-medium);
    margin-bottom: var(--spacing-md);
}

.text-emphasis {
    font-weight: 600;
    color: var(--color-primary);
}

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

/* ===================================
   FEATURES SECTION - Estilo moderno
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 2px solid #f1f5f9;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-large);
    padding: 2px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.feature-icon {
    font-size: 56px;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.15) rotateZ(-5deg);
}

.feature-card h3 {
    font-size: var(--font-size-medium);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-card p {
    color: var(--color-text-secondary);
}

/* ===================================
   STORY SECTION
   =================================== */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   FEATURES SECTION - Estilo moderno
   =================================== */
.features-section {
    padding: calc(var(--spacing-xxl) * 2) 0;
    background: #fafafa;
}

.features-title {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: calc(var(--spacing-xxl) * 1.5);
    letter-spacing: -0.02em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    border: 1px solid #e5e7eb;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.1);
    transform: translateY(-4px);
}

.feature-card h3 {
    font-size: var(--font-size-large);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.feature-card p {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===================================
   STORY SECTION - Historia del proyecto
   =================================== */
.features-section {
    padding: calc(var(--spacing-xxl) * 2) 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
    border-top: 4px solid #000000;
}

.features-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

.features-section .container {
    position: relative;
    z-index: 1;
}

.features-title {
    text-align: center;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: calc(var(--spacing-xxl) * 1.5);
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.story-section {
    padding: calc(var(--spacing-xxl) * 2) 0;
    background: white;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.story-header {
    margin-bottom: var(--spacing-xl);
}

.story-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.story-header h2 {
    font-size: clamp(32px, 5vw, 42px);
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.story-text {
    margin-bottom: var(--spacing-lg);
}

.story-text p {
    font-size: var(--font-size-medium);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.story-signature {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
}

.story-signature p {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: 600;
    font-style: italic;
}

/* ===================================
   DONATIONS PAGE - Página de donaciones
   =================================== */
.github-star-button-page {
    position: fixed;
    top: var(--spacing-md);
    right: 180px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: transparent;
    color: #24292f;
    border: 1px solid rgba(27, 31, 36, 0.15);
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1;
    z-index: 1000;
    transition: var(--transition-fast);
}

.github-star-button-page:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-color: rgba(27, 31, 36, 0.25);
}

.github-star-button-page svg {
    flex-shrink: 0;
}

.language-selector-page {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1001;
}

.donations-page {
    min-height: 80vh;
    padding: calc(var(--spacing-xxl) * 1.5) 0;
    background: white;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    transition: var(--transition);
}

.back-link:hover {
    color: var(--color-primary);
}

.donations-content {
    max-width: 900px;
    margin: 0 auto;
}

.donations-header {
    text-align: center;
    margin-bottom: calc(var(--spacing-xxl) * 1.5);
}

.donations-header h1 {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 900;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.donations-lead {
    font-size: var(--font-size-large);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

.donations-main {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: calc(var(--spacing-xxl) * 1.5);
}

.donations-why {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    border: 1px solid #e5e7eb;
}

.donations-why h2 {
    font-size: var(--font-size-xlarge);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.donations-why ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.donations-why li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #f1f5f9;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.donations-why li:last-child {
    border-bottom: none;
}

.donations-why li strong {
    color: var(--color-text-primary);
}

.donations-cta-box {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    border: 1px solid #e5e7eb;
}

.donations-cta-box h3 {
    font-size: var(--font-size-xlarge);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.donation-option {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid #f1f5f9;
}

.donation-option:last-child {
    border-bottom: none;
}

.donation-option h4 {
    font-size: var(--font-size-medium);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.donation-option p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.btn-donation {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #1f2937;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 700;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
}

.btn-donation:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.btn-kofi {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: #13C3FF;
    color: #ffffff;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 700;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-kofi:hover {
    background: #00B9FE;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(19, 195, 255, 0.4);
}

.btn-kofi svg {
    flex-shrink: 0;
}

.btn-donation svg,
.btn-secondary svg {
    flex-shrink: 0;
}

.donations-thanks {
    text-align: center;
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--border-radius-large);
    border: 2px solid var(--color-primary-light);
}

.donations-thanks p {
    font-size: var(--font-size-medium);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.donations-signature {
    font-size: var(--font-size-base) !important;
    color: var(--color-text-primary) !important;
    font-weight: 600 !important;
    font-style: italic !important;
}

/* ===================================
   FOOTER - Estilo OSS moderno
   =================================== */
.footer {
    background-color: #1f2937;
    padding: calc(var(--spacing-xxl) * 1.5) 0 var(--spacing-xl) 0;
    border-top: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-brand h3 {
    font-size: var(--font-size-large);
    font-weight: 900;
    color: #ffffff;
    margin: 0;
}

.footer-brand p {
    color: #9ca3af;
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-opensource {
    color: #ffffff !important;
    font-weight: 600;
    font-size: var(--font-size-small) !important;
}

.footer-legal {
    color: #9ca3af !important;
    font-size: var(--font-size-small) !important;
    margin-top: 8px;
}

.footer-legal a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.footer-links h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: #b3bac5;  /* Mejorado de #9ca3af para contraste 4.6:1 */
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #d1d5db;
    font-size: var(--font-size-small);
    margin: 0;
}

.footer-love {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
}

.heart-icon {
    width: 16px;
    height: 16px;
    color: #ef4444;
    flex-shrink: 0;
}

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* ===================================
   ANIMACIONES
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ===================================
   RESPONSIVE
   =================================== */

/* Desktop Small (1200px and below) */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .hero .container {
        gap: var(--spacing-lg);
    }

    .hero-subtitle {
        font-size: clamp(30px, 3.5vw, 40px);
    }
}

/* Large Tablet (1024px and below) */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }

    /* Hero Section - Ensure visibility and centering */
    .hero {
        min-height: auto;
        display: flex;
        align-items: center;
        padding: var(--spacing-xl) 0;
        overflow: visible;
    }

    /* Cambiar a layout vertical */
    .hero .container {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-xl);
    }

    .hero-content {
        text-align: center;
        max-width: 100%;
        width: 100%;
    }

    .hero-logo {
        justify-content: center;
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        margin-left: 0;
        width: 100%;
        min-height: auto;
    }

    .hero-logo lottie-player {
        width: 280px !important;
        height: 280px !important;
        margin: 0 auto;
        clip-path: inset(5% 0 5% 0);
        transform: scale(0.95);
    }

    .hero-subtitle {
        margin-left: 0 !important;
        text-align: center;
        font-size: clamp(32px, 4.5vw, 42px);
    }

    .hero-description {
        margin-left: 0 !important;
        text-align: center;
    }

    .hero-cta {
        margin-left: 0 !important;
        justify-content: center;
        align-items: center;
    }

    .store-badges-row {
        justify-content: center;
    }

    /* Fix overlapping buttons */
    .github-star-button {
        right: calc(var(--spacing-lg) + 160px);
        padding: 10px 16px;
        font-size: 14px;
    }

    .language-selector {
        right: var(--spacing-lg);
    }

    header[role="banner"] nav {
        padding: 0 var(--spacing-lg);
    }
}

/* Tablet (768px and below) */
@media (max-width: 768px) {
    :root {
        --font-size-hero: 48px;
        --font-size-xlarge: 32px;
        --font-size-large: 24px;
        --font-size-medium: 18px;
        --font-size-base: 16px;
        --spacing-xxl: 48px;
        --spacing-xl: 32px;
    }

    .container {
        padding: 0 var(--spacing-md);
        max-width: 100%;
    }

    .hero-logo {
        margin-left: 0;
        margin-bottom: var(--spacing-xl);
        margin-top: 0;
        justify-content: center;
    }

    .hero-logo lottie-player {
        width: 250px !important;
        height: 250px !important;
    }

    .hero-brand-text {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: clamp(28px, 5vw, 38px);
        text-align: center;
    }

    .hero-description {
        text-align: center;
    }

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

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

    .store-badges-row {
        justify-content: center;
    }

    .store-badge-wrapper {
        display: inline-block;
    }

    /* Navigation */
    .github-star-button {
        position: fixed;
        top: var(--spacing-sm);
        right: auto;
        left: var(--spacing-sm);
        font-size: 13px;
        padding: 8px 12px;
        height: 36px;
        z-index: 1001;
        gap: 6px;
    }

    .github-star-button svg {
        width: 18px;
        height: 18px;
    }

    .language-selector {
        position: fixed;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .language-button {
        height: 36px;
        padding: 8px 12px;
        font-size: 13px;
    }

    header[role="banner"] nav {
        padding: 0;
        height: auto;
    }

    /* Features Grid */
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* Story Section */
    .story-content {
        padding: 0 var(--spacing-md);
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    /* Sections */
    .section {
        padding: var(--spacing-xxl) 0;
    }
}

/* Small Tablet (577px to 768px) - Fix centering */
@media (min-width: 577px) and (max-width: 768px) {
    .hero-cta {
        align-items: center !important;
        justify-content: center !important;
    }

    .store-badges-row {
        justify-content: center !important;
    }
}

/* Mobile (576px and below) */
@media (max-width: 576px) {
    :root {
        --font-size-hero: 36px;
        --font-size-xlarge: 28px;
        --font-size-large: 22px;
        --font-size-medium: 18px;
        --font-size-base: 16px;
        --spacing-xxl: 32px;
        --spacing-xl: 24px;
        --spacing-lg: 20px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Hero Section */
    .hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-logo lottie-player {
        width: 250px !important;
        height: 250px !important;
        transform: scale(1.1);
    }

    .hero-brand-text {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: clamp(24px, 6vw, 32px);
        margin-left: 0 !important;
        text-align: center;
    }

    .hero-description {
        font-size: var(--font-size-base);
        margin-left: 0 !important;
        text-align: center;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
        align-items: center;
        margin-left: 0 !important;
        justify-content: center;
    }

    .store-badges-row {
        display: flex;
        gap: 6px;
        flex-wrap: nowrap;
        justify-content: center;
        overflow-x: auto;
    }

    .github-badge-wrapper {
        display: flex;
        justify-content: center;
        width: 100%;
    }

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

    .hero-logo {
        justify-content: center;
        margin-left: 0;
        margin-bottom: 0;
    }

    .store-badge {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-shrink: 0;
        min-width: 140px;
        width: 140px;
        height: 50px;
    }

    .store-badge img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .store-badge-wrapper {
        display: flex;
        justify-content: center;
        position: relative;
        flex-shrink: 0;
        min-width: 140px;
        margin-bottom: 24px;
    }

    .status-badge,
    .coming-soon-badge {
        bottom: -20px;
        font-size: 10px;
        padding: 4px 10px;
        white-space: nowrap;
    }

    /* Navigation - Adjust positioning on small screens */
    .github-star-button {
        top: var(--spacing-xs);
        left: var(--spacing-xs);
        padding: 8px 12px;
        gap: 6px;
        font-size: 13px;
    }

    .github-star-button svg {
        width: 16px;
        height: 16px;
    }

    .github-star-button span {
        display: inline;
    }

    .language-selector {
        top: var(--spacing-xs);
        right: var(--spacing-xs);
    }

    .language-button {
        font-size: 13px;
        padding: 8px 12px;
        gap: 6px;
    }

    .language-button svg {
        width: 10px;
        height: 10px;
    }

    .flag-icon {
        width: 16px;
        height: 16px;
    }

    .language-dropdown {
        min-width: 200px;
        right: 0;
    }

    /* Buttons */
    .btn-large {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .btn {
        min-height: 44px;
    }

    /* Features Section */
    .features-section {
        padding: var(--spacing-xxl) 0;
    }

    .features-title {
        margin-bottom: var(--spacing-xl);
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .feature-icon {
        font-size: 48px;
    }

    /* Story Section */
    .story-section {
        padding: var(--spacing-xxl) 0;
    }

    .story-content {
        padding: 0 var(--spacing-sm);
    }

    .story-header h2 {
        font-size: clamp(28px, 5vw, 36px);
    }

    .story-text p {
        font-size: var(--font-size-base);
    }

    /* Footer */
    .footer {
        padding: var(--spacing-xl) 0 var(--spacing-md) 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .cta-buttons .btn {
        width: 100%;
    }

    /* Content Box */
    .content-box {
        padding: var(--spacing-md);
    }

    /* Donations Page */
    .donations-page {
        padding: var(--spacing-xl) 0;
    }

    .donations-header h1 {
        font-size: clamp(28px, 6vw, 40px);
    }

    .donations-lead {
        font-size: var(--font-size-medium);
    }

    .donations-why,
    .donations-cta-box {
        padding: var(--spacing-md);
    }

    .github-star-button-page {
        position: static;
        margin: var(--spacing-sm) auto;
        display: flex;
        width: fit-content;
    }

    .language-selector-page {
        position: static;
        margin: var(--spacing-sm) auto var(--spacing-md);
        display: flex;
        width: fit-content;
        justify-content: center;
    }
}

/* Extra Small Mobile (375px and below) */
@media (max-width: 375px) {
    :root {
        --font-size-hero: 32px;
        --font-size-xlarge: 24px;
        --font-size-large: 20px;
    }

    .hero-logo lottie-player {
        width: 220px !important;
        height: 220px !important;
    }

    .hero-brand-text {
        font-size: 36px;
    }

    .container {
        padding: 0 12px;
    }

    .github-star-button,
    .language-selector {
        position: fixed;
        top: 4px;
    }

    .github-star-button {
        left: 4px;
        padding: 4px 8px;
        font-size: 11px;
        gap: 4px;
    }

    .github-star-button svg {
        width: 14px;
        height: 14px;
    }

    .github-star-button span {
        display: inline;
    }

    .language-selector {
        right: 4px;
    }

    .language-button {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* ===================================
   ACCESIBILIDAD - MODO CONTRASTE ALTO
   =================================== */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid black;
    }

    .btn-secondary {
        border-width: 3px;
    }
}

/* ===================================
   ACCESIBILIDAD - REDUCIR MOVIMIENTO
   =================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}