/* ============================================
   VIDAS IMPRECISAS - Estilos principales
   Un refugio digital
   ============================================ */

/* Variables CSS */
:root {
    /* Colores principales */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-secondary: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-accent: linear-gradient(135deg, #5ee7df 0%, #b490ca 50%, #667eea 100%);
    --gradient-warm: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --gradient-calm: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);

    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);

    /* Sombras */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(102, 126, 234, 0.3);

    /* Espaciado */
    --section-padding: 120px 0;
    --container-max: 1200px;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fondo con gradiente animado */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-primary);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-accent);
    top: 50%;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--gradient-warm);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.95);
    }
    75% {
        transform: translate(-50px, -30px) scale(1.05);
    }
}

/* Contenedor */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navegacion */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-cta {
    padding: 10px 20px;
    font-size: 0.85rem;
}

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

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* Componentes Glass */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.glass-button {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.glass-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.glass-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Texto con gradiente */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s infinite linear;
    background-size: 200% auto;
}

@keyframes shimmer {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

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

.btn-outline:hover {
    background: var(--glass-bg);
}

/* Secciones */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
}

.hero-content {
    max-width: 650px;
}

.hero-tag {
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
}

.floating-card {
    position: absolute;
    padding: 20px 24px;
    max-width: 200px;
    animation: floatCard 6s infinite ease-in-out;
}

.floating-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.card-icon {
    font-size: 1.5rem;
}

.card-1 {
    top: 0;
    left: 50%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    left: 10%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    right: 0;
    animation-delay: -4s;
}

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

/* ============================================
   SECCION DE AYUDA
   ============================================ */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.help-card {
    padding: 32px;
    transition: var(--transition-smooth);
}

.help-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.help-card.urgent {
    border-color: rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.help-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.help-icon {
    font-size: 2rem;
}

.help-badge {
    padding: 4px 12px;
    background: var(--gradient-primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.help-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.help-number {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.help-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.help-info {
    padding: 40px;
    text-align: center;
}

.help-info h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.help-tips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    list-style: none;
}

.help-tips li {
    padding: 10px 20px;
    background: var(--glass-bg);
    border-radius: 100px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   MURO DE MENSAJES
   ============================================ */
.messages-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.message-card {
    padding: 24px;
    transition: var(--transition-smooth);
}

.message-card:hover {
    transform: scale(1.02);
}

.message-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.message-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.section-messages .btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* ============================================
   HISTORIAS
   ============================================ */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.story-card {
    padding: 32px;
    transition: var(--transition-smooth);
}

.story-card:hover {
    transform: translateY(-4px);
}

.story-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.story-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.story-author {
    display: block;
    font-weight: 500;
}

.story-time {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.story-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.story-card p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.section-stories .btn-secondary {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* ============================================
   REFUGIO SONORO (MUSICA)
   ============================================ */
.music-moods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.mood-card {
    padding: 32px;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow: hidden;
    position: relative;
}

.mood-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.mood-card:hover::before {
    opacity: 0.1;
}

.mood-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.mood-visual {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.mood-icon {
    font-size: 2.5rem;
}

.mood-waves {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 40px;
}

.mood-waves span {
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: wave 1s infinite ease-in-out;
}

.mood-waves span:nth-child(1) { height: 60%; animation-delay: 0s; }
.mood-waves span:nth-child(2) { height: 100%; animation-delay: 0.1s; }
.mood-waves span:nth-child(3) { height: 40%; animation-delay: 0.2s; }
.mood-waves span:nth-child(4) { height: 80%; animation-delay: 0.3s; }

.mood-card:hover .mood-waves span {
    animation-play-state: running;
}

.mood-card .mood-waves span {
    animation-play-state: paused;
}

@keyframes wave {
    0%, 100% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0.5);
    }
}

.mood-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.mood-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.mood-count {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
}

.music-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

/* ============================================
   ESPACIO PARA ESCRIBIR
   ============================================ */
.write-space {
    padding: 40px;
    margin-bottom: 40px;
}

.write-space textarea {
    width: 100%;
    min-height: 200px;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1.1rem;
    line-height: 1.8;
    resize: vertical;
    font-family: inherit;
}

.write-space textarea::placeholder {
    color: var(--color-text-muted);
}

.write-space textarea:focus {
    outline: none;
}

.write-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    flex-wrap: wrap;
    gap: 16px;
}

.write-hint {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.write-buttons {
    display: flex;
    gap: 12px;
}

/* Ejercicio de respiracion */
.breathing-exercise {
    padding: 60px 40px;
    text-align: center;
}

.breathing-exercise h3 {
    font-size: 1.5rem;
    margin-bottom: 40px;
}

.breathing-circle {
    width: 200px;
    height: 200px;
    margin: 0 auto 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    opacity: 0.3;
    transition: transform 4s ease-in-out, opacity 0.3s ease;
}

.breathing-circle.active {
    opacity: 1;
}

.breathing-circle.inhale {
    transform: scale(1.3);
}

.breathing-circle.exhale {
    transform: scale(1);
}

.breathing-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter-content {
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.newsletter-text h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

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

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
}

.newsletter-form input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-form input:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
}

/* ============================================
   INFORMACION
   ============================================ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.info-card {
    padding: 32px;
    text-align: center;
    transition: var(--transition-smooth);
}

.info-card:hover {
    transform: translateY(-4px);
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.info-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.info-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.footer-note {
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-col a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer-crisis {
    font-weight: 500;
}

.footer-crisis a {
    color: var(--color-text);
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    padding: 24px;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 500px;
    width: 100%;
    padding: 40px;
    position: relative;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.modal-content > p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.modal-content textarea {
    width: 100%;
    min-height: 150px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 16px;
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    margin-bottom: 20px;
}

.modal-content textarea:focus {
    outline: none;
    border-color: rgba(102, 126, 234, 0.5);
}

.modal-content .btn {
    width: 100%;
    justify-content: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

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

    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .help-grid,
    .stories-grid,
    .music-moods,
    .info-grid,
    .messages-wall {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-header {
        margin-bottom: 40px;
    }

    .write-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .breathing-circle {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .newsletter-content {
        padding: 32px;
    }

    .write-space,
    .breathing-exercise,
    .help-card,
    .story-card,
    .mood-card,
    .info-card {
        padding: 24px;
    }
}

/* Animacion de entrada para elementos */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Seleccion de texto */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: var(--color-text);
}

/* ============================================
   NUEVOS ESTILOS - CONTENIDO BASADO EN EVIDENCIA
   ============================================ */

/* Fuentes en tarjetas de ayuda */
.help-source {
    display: block;
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.help-source a {
    color: var(--color-text-muted);
    text-decoration: underline;
    transition: var(--transition-fast);
}

.help-source a:hover {
    color: var(--color-text-secondary);
}

/* Seccion de pasos de ayuda */
.help-info {
    padding: 40px;
    margin-top: 40px;
}

.help-info h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    text-align: center;
}

.help-info-intro {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.help-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.help-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.help-step:hover {
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateX(4px);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.help-sources {
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
}

.help-sources p {
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.help-sources ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.help-sources li a {
    display: inline-block;
    padding: 6px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.help-sources li a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

/* Info cards con fuentes */
.info-card {
    text-align: left;
}

.info-card .info-icon {
    text-align: center;
}

.info-source {
    display: block;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--glass-border);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.info-source a {
    color: var(--color-text-muted);
    text-decoration: underline;
}

.info-source a:hover {
    color: var(--color-text-secondary);
}

/* Ejercicio de respiracion mejorado */
.breathing-intro {
    max-width: 600px;
    margin: 0 auto 32px;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.breathing-instructions {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.breath-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

.breath-time {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.breath-action {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.breathing-note {
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.breathing-source {
    display: block;
    margin-top: 16px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.breathing-source a {
    color: var(--color-text-muted);
    text-decoration: underline;
    margin: 0 4px;
}

.breathing-source a:hover {
    color: var(--color-text-secondary);
}

/* Footer sources */
.footer-sources {
    padding: 32px 0;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
}

.footer-sources h4 {
    font-size: 1rem;
    margin-bottom: 12px;
}

.footer-sources p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.source-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

.source-logos a {
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.source-logos a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text);
}

.footer-disclaimer {
    font-size: 0.8rem !important;
    color: var(--color-text-muted) !important;
    max-width: 500px;
    margin: 12px auto 0;
}

/* Responsive para nuevos elementos */
@media (max-width: 768px) {
    .help-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .help-sources ul {
        justify-content: center;
    }

    .breathing-instructions {
        flex-direction: column;
        align-items: center;
    }

    .breath-step {
        width: 100%;
        max-width: 200px;
    }

    .source-logos {
        flex-direction: column;
        align-items: center;
    }

    .source-logos a {
        width: 100%;
        max-width: 200px;
        text-align: center;
    }
}