/* styles.css */
/* Hoja de Estilos para PetID Care
    Estilo: Moderno, SaaS, Premium, Dark Mode (Glassmorphism)
    Tipografías: 'Inter' (Cuerpo), 'Poppins' (Títulos)
*/

/* ======== VARIABLES GLOBALES Y RESET ======== */

:root {
    /* Paleta de Colores (Oscuro/Neón Suave) */
    --color-bg: #050505; /* Casi negro */
    --color-bg-secondary: #0D0D0D; /* Un gris más claro para secciones alt */
    --color-text: #E0E0E0; /* Blanco suave */
    --color-text-muted: #888888; /* Gris para subtítulos */
    --color-text-dark: #1A1A1A;

    /* Acentos (Gradiente tipo "Linear" / "Stripe") */
    --color-primary: #4A00E0; /* Violeta */
    --color-secondary: #8E2DE2; /* Púrpura */
    --color-accent: #00BFFF; /* Azul neón suave (para iconos) */

    /* Glassmorphism y Bordes */
    --color-glass-bg: rgba(26, 26, 26, 0.5); /* Fondo de vidrio */
    --color-glass-bg-light: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --backdrop-blur: 10px;

    /* Tipografía */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Poppins', var(--font-primary);

    /* Sombras */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px 0 rgba(142, 45, 226, 0.3); /* Glow Púrpura */
    --shadow-glow-hover: 0 0 30px 5px rgba(142, 45, 226, 0.4);

    /* Espaciado */
    --container-width: 1140px;
    --container-padding: 24px;
    --section-padding: 100px;
    
    /* Transiciones */
    --transition-speed: 300ms;
    --transition-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Evitar scroll horizontal */
}

/* ======== CLASES DE UTILIDAD ======== */

.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    width: 100%;
}

.container.small-container {
    max-width: 768px;
}

/* Tipografía y Texto */
.text-gradient {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    background-color: rgba(142, 45, 226, 0.1);
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-tag.tag-light {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

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

.section-title {
    font-family: var(--font-secondary);
    font-size: 3rem; /* 48px */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: #fff;
}

.section-subtitle {
    font-size: 1.125rem; /* 18px */
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Botones */
.btn {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.9375rem; /* 15px */
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 8px;
    border: 1px solid transparent;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-ease);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-hover);
    filter: brightness(1.1);
}

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

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

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-block {
    display: block;
    width: 100%;
}


/* ======== HEADER Y NAVEGACIÓN ======== */

.main-header {
    position: sticky;
    top: 0;
    width: 100%;
    padding: 16px 0;
    z-index: 1000;
    background: transparent; /* Inicialmente transparente */
    transition: background-color var(--transition-speed) ease,
                backdrop-filter var(--transition-speed) ease,
                border-bottom var(--transition-speed) ease;
}

/* Estado "scrolled" de la navbar */
.main-header.scrolled {
    background-color: var(--color-glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border-bottom: 1px solid var(--border-color);
}

.main-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
    font-family: var(--font-secondary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo svg {
    margin-right: 10px;
    transition: transform var(--transition-speed) ease;
}

.logo:hover svg {
    transform: rotate(180deg);
}

.nav-links ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 32px;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9375rem; /* 15px */
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-speed) ease;
}

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

/* Efecto hover tipo "Linear" */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Menú Móvil */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
}


/* ======== SECCIÓN HERO ======== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px; /* Espacio para el nav */
    padding-bottom: var(--section-padding);
    position: relative;
    overflow: hidden;
}

/* Efectos de glow (tipo Linear/Stripe) */
.hero-glow-1, .hero-glow-2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.3;
    z-index: -1;
}
.hero-glow-1 {
    width: 600px;
    height: 600px;
    background-color: var(--color-primary);
    top: -100px;
    left: -200px;
}
.hero-glow-2 {
    width: 500px;
    height: 500px;
    background-color: var(--color-accent);
    bottom: -150px;
    right: -150px;
    opacity: 0.15;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.hero-text {
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    background: var(--color-glass-bg-light);
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 4.5rem; /* 72px */
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem; /* 20px */
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 550px;
}

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

.hero-mockup-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-mockup {
    position: relative;
}

.hero-image-main {
    width: 100%;
    max-width: 500px;
    z-index: 1;
    position: relative;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.4));
}

.hero-image-float {
    position: absolute;
    width: 200px;
    z-index: 2;
    bottom: 20px;
    right: -50px;
    filter: drop-shadow(0 15px 20px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

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

/* Animación de "flotación" */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Animación de "Fade In" para Scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--transition-ease), 
                transform 0.6s var(--transition-ease);
    transition-delay: var(--delay, 0ms); /* Permite retrasos escalonados */
}

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

/* Variaciones de animación */
.animate-on-scroll.fade-in-right { transform: translateX(-30px); }
.animate-on-scroll.fade-in-left { transform: translateX(30px); }
.animate-on-scroll.is-visible.fade-in-right,
.animate-on-scroll.is-visible.fade-in-left {
    transform: translateX(0);
}

/* ======== SECCIÓN DE VALOR ======== */

.value-prop {
    padding: var(--section-padding) 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.value-card {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 12px;
    transition: all var(--transition-speed) var(--transition-ease);
    position: relative;
    overflow: hidden;
}

/* Efecto glow en hover */
.value-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(142, 45, 226, 0.15) 0%, rgba(142, 45, 226, 0) 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    transform: translate(0, 0); /* Centrado inicial (no importa) */
}

.value-card:hover::before {
    opacity: 1;
    /* JS moverá esto */
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-medium);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 24px;
}

.icon-gradient {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}
.card-icon svg {
    width: 24px;
    height: 24px;
    color: #fff;
}

.card-title {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
}

.card-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}


/* ======== SECCIONES DE FEATURES (DNI, Historial, Vet) ======== */

.feature-section {
    padding: var(--section-padding) 0;
    overflow: hidden; /* Para los mockups */
}

.alt-bg {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.feature-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-container.reverse {
    grid-template-columns: 1fr 1fr;
}
.feature-container.reverse .feature-text {
    order: 2;
}
.feature-container.reverse .feature-mockup {
    order: 1;
}

.feature-text .section-title {
    font-size: 2.5rem; /* 40px */
}
.feature-text .section-subtitle {
    font-size: 1.125rem;
}

.feature-list {
    list-style: none;
    margin-top: 32px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 1rem;
    color: var(--color-text-muted);
}

.feature-list strong {
    color: var(--color-text);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 3px;
}

/* Mockups específicos */
.feature-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Mockup DNI Digital */
.pet-id-card-mockup {
    width: 100%;
    max-width: 450px;
    background: linear-gradient(135deg, #333, #111);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-medium);
    transform: rotate3d(0.5, 1, -0.2, 10deg);
}
.pet-id-header {
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 16px;
}
.pet-id-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--color-secondary);
}
.pet-id-info h4 {
    font-family: var(--font-secondary);
    color: #fff;
    font-size: 1.5rem;
    margin: 0;
}
.pet-id-info p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}
.pet-id-chip {
    margin-left: auto;
    font-weight: 700;
    color: var(--color-secondary);
}
.pet-id-body {
    display: flex;
    gap: 20px;
    align-items: center;
}
.pet-id-qr {
    width: 100px;
    height: 100px;
    background: #fff;
    padding: 8px;
    border-radius: 8px;
}
.pet-id-details p {
    font-size: 0.875rem;
    margin: 4px 0;
}
.pet-id-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    margin-top: 8px;
}
.status-safe { background: rgba(0, 191, 255, 0.1); color: var(--color-accent); }

/* Mockup Historial Médico */
.app-screen-mockup {
    width: 100%;
    max-width: 350px;
    height: 600px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
}
.mockup-header {
    background: var(--color-bg);
    padding: 16px;
    text-align: center;
    font-weight: 600;
    color: #fff;
    border-bottom: 1px solid var(--border-color);
}
.mockup-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.history-item {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 12px;
}
.history-item .date {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 4px;
    display: block;
}
.history-item p { margin: 0; }
.history-item .vet { font-size: 0.875rem; color: var(--color-text-muted); }
.status-chip {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 99px;
    margin-top: 8px;
}
.status-chip.completed { background: rgba(0, 191, 255, 0.1); color: var(--color-accent); }
.status-chip.pending { background: rgba(255, 165, 0, 0.1); color: #FFA500; }

/* Mockup Dashboard Vet */
.dashboard-image {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

/* ======== SECCIÓN TELEMEDICINA (Pricing) ======== */

.telemedicine-cta {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.pricing-card {
    max-width: 650px;
    margin: 0 auto;
    background: linear-gradient(145deg, var(--color-bg-secondary), var(--color-bg));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

/* Glow de fondo */
.pricing-glow-bg {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    opacity: 0.2;
    filter: blur(80px);
    z-index: -1;
}

.pricing-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.pricing-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.price-display {
    font-family: var(--font-secondary);
    font-size: 4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.price-display span {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-left: 8px;
}

.pricing-features {
    list-style: none;
    margin: 32px 0;
    display: inline-block;
    text-align: left;
}
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--color-text);
}
.pricing-features svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
}

.comparison-section {
    margin-top: 60px;
    text-align: center;
}
.comparison-title {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 32px;
}
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}
.comparison-col {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
}
.comparison-col h4 {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 8px;
}
.comparison-col p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: 12px;
}
.price-old {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-decoration: line-through;
}
.price-new {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

/* ======== SECCIÓN ECOSISTEMA ======== */

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

.ecosystem-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    margin-top: 80px;
}

.eco-mockup {
    display: flex;
    justify-content: center;
}
.eco-mockup img {
    width: 100%;
    max-width: 400px;
}

.eco-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.eco-feature-card {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    transition: all var(--transition-speed) var(--transition-ease);
}
.eco-feature-card:hover {
    background: var(--color-glass-bg);
    border-color: rgba(255, 255, 255, 0.2);
}
.eco-title {
    font-family: var(--font-secondary);
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}
.eco-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* ======== SECCIÓN HUMANIZACIÓN ======== */

.humanization-trend {
    padding: var(--section-padding) 0;
}
.humanization-trend .section-header {
    max-width: 800px;
}
.emotional-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 60px;
}
.gallery-img {
    height: 300px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}
.gallery-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}
.gallery-img:hover img {
    transform: scale(1.05);
}

/* ======== SECCIÓN TESTIMONIOS ======== */

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

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--color-glass-bg);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
}
.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 24px;
}
.testimonial-quote {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
    flex-grow: 1;
}
.testimonial-author h4 {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: #fff;
}
.testimonial-author p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ======== SECCIÓN ROADMAP ======== */

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

.roadmap-timeline {
    max-width: 800px;
    margin: 60px auto 0 auto;
    position: relative;
    /* Línea vertical del timeline */
    padding-left: 40px; /* Espacio para puntos y línea */
    border-left: 2px solid var(--border-color);
}

.timeline-item {
    position: relative;
    padding: 24px 0 24px 40px;
    margin-bottom: 20px;
}
.timeline-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -49px; /* Centrado en la línea (40px + 2px/2 + 8px) */
    top: 30px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--color-bg);
    border: 3px solid var(--border-color);
}
.timeline-dot.dot-complete { border-color: var(--color-secondary); background: var(--color-secondary); }
.timeline-dot.dot-active {
    border-color: var(--color-accent);
    background: var(--color-accent);
    /* Efecto de pulso */
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(0, 191, 255, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(0, 191, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 191, 255, 0); }
}

.timeline-content {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
}

.timeline-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 99px;
    color: #fff;
    margin-bottom: 12px;
    display: inline-block;
}
.timeline-status.status-complete { background: var(--color-secondary); }
.timeline-status.status-active { background: var(--color-accent); }
.timeline-status { background: var(--color-text-muted); color: var(--color-text-dark); }

.timeline-title {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}
.timeline-desc {
    color: var(--color-text-muted);
}


/* ======== SECCIÓN FAQ ======== */

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

.faq-list {
    margin-top: 40px;
}

.faq-item {
    background: var(--color-glass-bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none; /* Oculta el marcador por defecto */
}
.faq-question::-webkit-details-marker { display: none; }

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--color-secondary);
    transition: transform var(--transition-speed) ease;
}

.faq-answer {
    padding: 0 24px 24px 24px;
    color: var(--color-text-muted);
    line-height: 1.7;
    border-top: 1px solid var(--border-color);
}

/* Animación del ícono del FAQ */
.faq-item[open] .faq-question {
    color: var(--color-secondary);
}
.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}


/* ======== SECCIÓN FINAL CTA (Waitlist) ======== */

.waitlist-cta {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.waitlist-content {
    background: var(--color-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 64px;
    text-align: center;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-medium);
}
.waitlist-content .hero-glow-1 { left: -100px; opacity: 0.2; }
.waitlist-content .hero-glow-2 { right: -100px; opacity: 0.1; }

.waitlist-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.waitlist-subtitle {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.waitlist-form {
    display: flex;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto 16px auto;
}
.waitlist-input {
    flex-grow: 1;
    font-family: var(--font-primary);
    font-size: 1rem;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--color-glass-bg);
    color: var(--color-text);
}
.waitlist-input::placeholder { color: var(--color-text-muted); }
.waitlist-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(142, 45, 226, 0.3);
}

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


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

.main-footer {
    padding: 80px 0 40px 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col .footer-logo {
    font-size: 1.5rem;
    margin-bottom: 16px;
}
.footer-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    max-width: 300px;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}
.social-links a {
    color: var(--color-text-muted);
    transition: color var(--transition-speed) ease;
}
.social-links a:hover {
    color: var(--color-secondary);
}

.footer-title {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}
.footer-links li {
    margin-bottom: 12px;
}
.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-speed) ease;
}
.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}


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

/* Tablets (approx 992px) */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text { order: 2; }
    .hero-mockup-wrapper { order: 1; margin-bottom: 40px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-title { font-size: 3.5rem; }

    .feature-container,
    .feature-container.reverse {
        grid-template-columns: 1fr;
    }
    .feature-container.reverse .feature-text { order: 1; }
    .feature-container.reverse .feature-mockup { order: 2; }
    .feature-mockup { margin-top: 40px; }

    .ecosystem-visual { grid-template-columns: 1fr; }
    .eco-mockup { order: 1; }
    .eco-features { order: 2; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    #footer-logo { grid-column: 1 / -1; } /* Logo ocupa todo */
}

/* Móviles (approx 768px) */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .section-title { font-size: 2.25rem; }
    .hero-title { font-size: 2.75rem; }

    /* Navegación Móvil */
    .nav-links {
        display: none; /* Oculto por defecto */
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        transform: translateY(-100%);
        transition: transform var(--transition-speed) var(--transition-ease);
    }
    .nav-links.active {
        display: flex;
        transform: translateY(0);
    }
    .nav-links ul {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .nav-links li { margin: 0; }
    .nav-link { font-size: 1.5rem; color: var(--color-text); }
    .nav-link:hover::after { transform: scaleX(0.5); }
    
    .nav-actions .btn-secondary { display: none; } /* Ocultar login en móvil */

    .mobile-menu-toggle {
        display: block;
    }
    /* Animación de hamburguesa a X */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Ajustes generales */
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; }

    .value-grid { grid-template-columns: 1fr; }
    .emotional-gallery { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    
    .comparison-grid { grid-template-columns: 1fr; }
    
    .waitlist-form { flex-direction: column; }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { padding-top: 24px; }
}