/* ==========================================================================
   DISEÑO VISUAL Y SISTEMA DE ESTILOS PREMIUM - SGD018.COM
   ========================================================================== */

/* 1. VARIABLES DEL SISTEMA (TEMAS HSL) */
:root {
    /* Tema Claro */
    --bg-color: hsl(220, 40%, 97%);
    --card-bg: hsla(220, 30%, 100%, 0.7);
    --card-bg-solid: hsl(220, 30%, 100%);
    --text-color: hsl(220, 45%, 12%);
    --text-muted: hsl(220, 15%, 45%);
    --primary-color: hsl(255, 85%, 58%);
    --primary-hover: hsl(255, 85%, 50%);
    --primary-glow: hsla(255, 85%, 58%, 0.35);
    --secondary-color: hsl(185, 95%, 38%);
    --secondary-glow: hsla(185, 95%, 38%, 0.25);
    --border-color: hsla(220, 20%, 86%, 0.75);
    --shadow-color: rgba(31, 38, 135, 0.06);
    --accent-glow: radial-gradient(circle, hsla(255, 85%, 58%, 0.08) 0%, transparent 70%);
    --success-color: hsl(142, 70%, 35%);
    --error-color: hsl(350, 75%, 45%);
    --accent-bg: hsl(220, 25%, 93%);
    
    /* Configuración común */
    --border-radius-sm: 10px;
    --border-radius-md: 18px;
    --border-radius-lg: 26px;
    --transition-speed: 0.35s;
    --transition-bezier: cubic-bezier(0.16, 1, 0.3, 1); /* Curva suave y fluida */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Variables para Modo Oscuro */
html.dark {
    --bg-color: hsl(222, 25%, 6%);
    --card-bg: hsla(222, 25%, 10%, 0.7);
    --card-bg-solid: hsl(222, 25%, 10%);
    --text-color: hsl(210, 20%, 98%);
    --text-muted: hsl(210, 12%, 72%);
    --primary-color: hsl(255, 90%, 66%);
    --primary-hover: hsl(255, 90%, 73%);
    --primary-glow: hsla(255, 90%, 66%, 0.4);
    --secondary-color: hsl(185, 95%, 48%);
    --secondary-glow: hsla(185, 95%, 48%, 0.3);
    --border-color: hsla(222, 20%, 18%, 0.7);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --accent-glow: radial-gradient(circle, hsla(255, 90%, 66%, 0.12) 0%, transparent 75%);
    --success-color: hsl(142, 80%, 50%);
    --error-color: hsl(350, 85%, 55%);
    --accent-bg: hsl(222, 20%, 13%);
}

/* 2. REINICIO Y ESTILOS BASE */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 96px;
}

@media (max-width: 768px) {
    html {
        scroll-padding-top: 100px;
    }
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.3s ease;
}

body.cookie-lock {
    overflow: hidden;
}

/* Barra de scroll personalizada premium */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    border: 2px solid var(--bg-color);
    transition: background var(--transition-speed) ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-bezier);
}

a:hover {
    color: var(--primary-hover);
}

ul {
    list-style: none;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 3. CONTENEDOR PRINCIPAL */
.content-wrapper {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 60px 24px;
    animation: pageFadeIn 0.8s var(--transition-bezier);
}

/* 4. BOTONES Y COMPONENTES REUTILIZABLES */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all var(--transition-speed) var(--transition-bezier);
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--primary-color);
    color: hsl(0, 0%, 100%) !important;
    box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.btn-secondary:hover {
    background-color: var(--accent-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 20px var(--shadow-color);
}

/* Decoraciones y brillos de fondo */
.glow-accent {
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--accent-glow);
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
    filter: blur(40px);
    animation: floatGlow 15s infinite alternate ease-in-out;
}

/* 5. ENCABEZADO (HEADER) */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.5s ease, border-color var(--transition-speed) ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    transition: transform var(--transition-speed) var(--transition-bezier);
}

.logo-link:hover {
    transform: scale(1.03);
}

.logo-img {
    height: 42px;
    width: auto;
}

.logo-dark-theme {
    display: none;
}

html.dark .logo-light-theme {
    display: none;
}

html.dark .logo-dark-theme {
    display: block;
}

.main-nav ul {
    display: flex;
    gap: 36px;
    align-items: center;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 8px 0;
    transition: color var(--transition-speed) ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

/* Efecto de línea inferior deslizable del menú */
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) var(--transition-bezier), left var(--transition-speed) var(--transition-bezier);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
    left: 0;
}

.btn-contact-nav {
    background-color: var(--primary-color);
    color: white !important;
    padding: 10px 22px !important;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 12px var(--primary-glow);
    transition: all var(--transition-speed) var(--transition-bezier) !important;
}

.btn-contact-nav::after {
    display: none !important;
}

.btn-contact-nav:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--primary-glow);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Selector de tema */
.theme-toggle {
    background: var(--accent-bg);
    border: 1.5px solid hsla(255, 85%, 58%, 0.35);
    color: var(--text-color);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-bezier);
    box-shadow: 0 1px 4px var(--shadow-color);
}

html.dark .theme-toggle {
    background: var(--accent-bg);
    border-color: hsla(255, 90%, 66%, 0.3);
}

.theme-toggle:hover {
    background-color: hsla(255, 85%, 58%, 0.12);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: rotate(20deg) scale(1.05);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.sun-icon {
    display: none;
}

html.dark .moon-icon {
    display: none;
}

html.dark .sun-icon {
    display: block;
}

.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    width: 32px;
    height: 24px;
    justify-content: center;
    z-index: 1001;
}

.mobile-nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--text-color);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.mobile-nav-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 6. HERO SECTION */
.hero-section {
    position: relative;
    padding: 100px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.hero-subtitle {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    display: inline-block;
    animation: fadeInUp 0.8s var(--transition-bezier) 0.1s both;
}

.hero-title {
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 28px;
    max-width: 950px;
    background: linear-gradient(135deg, var(--text-color) 30%, var(--primary-color) 85%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 0.8s var(--transition-bezier) 0.2s both;
}

.hero-description {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin-bottom: 44px;
    line-height: 1.7;
    animation: fadeInUp 0.8s var(--transition-bezier) 0.3s both;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s var(--transition-bezier) 0.4s both;
}

/* 7. PORTFOLIO / TARJETAS DE PROYECTOS */
.section-title-area {
    margin-top: 80px;
    margin-bottom: 50px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 24px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    position: relative;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin-top: 10px;
    border-radius: 4px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 36px;
    margin-bottom: 80px;
}

/* Grid de servicios "Lo que hago": siempre 3 columnas en escritorio (3+3) */
.services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 16px;
    }
}

.service-card {
    padding: 28px 24px;
    text-align: center;
    align-items: center;
    justify-content: center;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    color: var(--primary-color);
}

/* Diseño Glassmorphism en tarjetas de proyectos */
.project-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform 0.5s var(--transition-bezier), 
                box-shadow 0.5s var(--transition-bezier), 
                border-color 0.4s ease;
    will-change: transform, box-shadow;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.01);
    border-color: var(--primary-color);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25), 0 0 20px var(--primary-glow);
}

.project-card-media {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* Relación de aspecto 16:9 */
    background-color: var(--accent-bg);
    overflow: hidden;
}

.project-card-media img,
.project-card-media video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--transition-bezier);
}

.project-card:hover .project-card-media img {
    transform: scale(1.06);
}

.project-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 6px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 5;
}

.project-card-content {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-card-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}

.project-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.35;
    transition: color var(--transition-speed) ease;
}

.project-card:hover .project-card-title {
    color: var(--primary-color);
}

.project-card-desc {
    font-size: 0.98rem;
    color: var(--text-muted);
    margin-bottom: 22px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.project-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
    margin-top: auto;
}

.project-card-link {
    font-weight: 600;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.project-card-link svg {
    transition: transform var(--transition-speed) var(--transition-bezier);
}

.project-card:hover .project-card-link svg {
    transform: translateX(6px);
}

/* 8. FILTROS DE PORTFOLIO */
.portfolio-filters {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 45px;
    animation: fadeInUp 0.6s var(--transition-bezier) both;
}

.filter-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 22px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-bezier);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--primary-glow);
}

/* 9. PAGINA DE DETALLE DEL PROYECTO (SINGLE POST) */
.project-detail-header {
    margin-bottom: 40px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-muted);
    transition: color var(--transition-speed) ease;
}

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

.btn-back svg {
    transition: transform var(--transition-speed) var(--transition-bezier);
}

.btn-back:hover svg {
    transform: translateX(-4px);
}

.project-detail-meta {
    display: flex;
    gap: 24px;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 12px;
}

.meta-inline-icon {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.project-detail-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 850;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

/* Barra de compartir en redes sociales */
.share-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.share-bar-label {
    font-size: 0.88rem;
    font-weight: 650;
    color: var(--text-muted);
    margin-right: 4px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-bezier);
}

.share-btn:hover {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px var(--primary-glow);
}

.share-btn.copied {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

/* Iconos de redes sociales en el pie de página */
.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 22px;
}

.footer-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: hsla(210, 10%, 90%, 0.08);
    color: hsl(210, 10%, 85%);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.footer-social-icon:hover {
    background-color: var(--primary-color);
    color: white !important;
    transform: translateY(-3px);
    padding-left: 0 !important;
}

/* Galería y Contenido Multimedia */
.project-media-showcase {
    margin-bottom: 50px;
}

.main-media-viewer {
    width: 100%;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 15px 45px var(--shadow-color);
    border: 1px solid var(--border-color);
    background-color: var(--accent-bg);
}

.main-media-viewer img,
.main-media-viewer video {
    width: 100%;
    max-height: 620px;
    object-fit: contain;
    background-color: #050505;
    animation: scaleFadeIn 0.5s var(--transition-bezier);
}

.media-thumbnails {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    overflow-x: auto;
    padding: 4px 2px 12px 2px;
}

.thumbnail-item {
    width: 120px;
    height: 80px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    flex-shrink: 0;
    opacity: 0.6;
    transition: all var(--transition-speed) var(--transition-bezier);
    background-color: var(--accent-bg);
}

.thumbnail-item img,
.thumbnail-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-item:hover,
.thumbnail-item.active {
    opacity: 1;
    border-color: var(--primary-color);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 6px 14px var(--shadow-color);
}

/* Estructura de descripción de proyecto — layout vertical */
.project-content-grid {
    display: block;
    margin-bottom: 70px;
}

/* =====================================================
   BARRA DE SPECS DEL PROYECTO — Grid 4 columnas
   ===================================================== */
.project-specs-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    align-items: stretch;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: 52px;
    box-shadow: 0 10px 36px var(--shadow-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    position: relative;
}

/* Línea de acento superior con gradiente */
.project-specs-bar::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--primary-color) 0%,
        var(--secondary-color, hsl(185, 95%, 48%)) 100%);
    border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

/* Cada spec ocupa su celda con borde separador a la derecha */
.spec-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 28px 32px;
    border-right: 1px solid var(--border-color);
}

/* Label en acento — pequeño, uppercase, color de marca */
.spec-item label {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--primary-color);
    opacity: 0.9;
    margin-bottom: 0;
    cursor: default;
}

/* Valor — grande, bold */
.spec-item span {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.3;
}

/* Los dividers del HTML ya no son necesarios, ocultarlos */
.spec-divider {
    display: none;
}

/* Columna de acciones — fondo ligeramente diferenciado */
.spec-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 22px 28px;
    justify-content: center;
    align-items: stretch;
    min-width: 200px;
    background: linear-gradient(135deg,
        hsla(258, 90%, 68%, 0.04) 0%,
        transparent 100%);
}

/* Botón de acceso al proyecto en vivo */
.btn-project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-bezier);
    white-space: nowrap;
}

.btn-project-link:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 6px 20px var(--primary-glow);
    transform: translateY(-2px);
}

/* El botón de CTA dentro de spec-actions */
.spec-actions .btn {
    width: 100%;
    justify-content: center;
    font-size: 0.88rem;
    padding: 11px 18px;
}

/* Descripción: texto full-width debajo de la barra */
.project-description {
    font-size: 1.12rem;
    line-height: 1.9;
    max-width: 860px;
}

.project-description p {
    margin-bottom: 24px;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 900px) {
    .project-specs-bar {
        grid-template-columns: 1fr 1fr;
    }
    .spec-item:nth-child(2) { border-right: none; }
    .spec-item:nth-child(4) { border-top: 1px solid var(--border-color); }
    .spec-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        border-top: 1px solid var(--border-color);
        min-width: auto;
    }
    .spec-actions .btn,
    .btn-project-link {
        flex: 1;
    }
}

@media (max-width: 580px) {
    .project-specs-bar {
        grid-template-columns: 1fr;
    }
    .spec-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 18px 20px;
    }
    .spec-item:nth-child(2) { border-right: none; }
    .spec-item:nth-child(4) { border-top: none; }
    .spec-actions {
        flex-direction: column;
        padding: 16px 20px;
    }
    .spec-actions .btn,
    .btn-project-link {
        width: 100%;
    }
}

/* 10. SECCIÓN DE CONTACTO (CENTRO DE CONVERSIÓN DE LEADS) */
.contact-section {
    margin-top: 100px;
    padding: 80px 50px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 15px 45px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

/* Efecto decorativo premium de fondo para el formulario */
.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, hsla(185, 95%, 48%, 0.1) 0%, transparent 80%);
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
    filter: blur(30px);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2.8rem;
    font-weight: 850;
    margin-bottom: 24px;
    line-height: 1.25;
    letter-spacing: -0.8px;
}

.contact-info p {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 44px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background-color: var(--accent-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    box-shadow: 0 4px 10px var(--shadow-color);
    font-size: 1.2rem;
}

.contact-item-text label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 650;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-item-text span {
    font-weight: 700;
    font-size: 1.1rem;
}

/* Formulario */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.92rem;
    font-weight: 650;
    color: var(--text-color);
}

.form-control {
    background-color: var(--accent-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 16px 20px;
    font-size: 1.02rem;
    font-family: var(--font-sans);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
    background-color: var(--card-bg-solid);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

/* Campo Honeypot Oculto */
.captcha-refresh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: var(--font-sans);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.captcha-refresh-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.hp-field {
    display: none !important;
    visibility: hidden !important;
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
}

.form-alert {
    padding: 18px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: fadeInUp 0.4s var(--transition-bezier);
}

.form-alert-success {
    background-color: hsla(142, 80%, 50%, 0.12);
    color: var(--success-color);
    border: 1px solid hsla(142, 80%, 50%, 0.25);
}

.form-alert-error {
    background-color: hsla(350, 85%, 55%, 0.12);
    color: var(--error-color);
    border: 1px solid hsla(350, 85%, 55%, 0.25);
}

/* 11. MURO DE COOKIES (COOKIE WALL) */
.cookie-wall-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.cookie-wall-card {
    background: var(--card-bg-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 44px;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(0,0,0,0.6);
    text-align: center;
    animation: cookieZoomIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.error-icon {
    width: 96px;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    border-radius: 26px;
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    color: var(--primary-color);
}

.cookie-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 18px auto;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    color: var(--primary-color);
}

.cookie-wall-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cookie-wall-card p {
    color: var(--text-muted);
    font-size: 0.98rem;
    margin-bottom: 22px;
    line-height: 1.65;
}

.cookie-actions {
    margin-bottom: 24px;
}

.cookie-actions .btn {
    width: 100%;
}

.cookie-actions-split {
    display: flex;
    gap: 12px;
}

.cookie-actions-split .btn {
    flex: 1;
}

@media (max-width: 420px) {
    .cookie-actions-split {
        flex-direction: column;
    }
}

.cookie-links {
    font-size: 0.88rem;
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* 12. PIE DE PÁGINA (FOOTER) */
.main-footer {
    background-color: hsl(222, 30%, 5%);
    color: hsl(210, 10%, 90%);
    border-top: 1px solid hsl(222, 20%, 12%);
    padding: 80px 24px 30px 24px;
    margin-top: 100px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand .footer-logo {
    height: 40px;
    margin-bottom: 22px;
}

.footer-brand p {
    color: hsl(210, 10%, 75%);
    max-width: 350px;
    font-size: 0.98rem;
    line-height: 1.6;
}

.main-footer h4 {
    font-size: 1.15rem;
    font-weight: 750;
    margin-bottom: 24px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
    letter-spacing: 0.5px;
}

.main-footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.main-footer ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.main-footer a {
    color: hsl(210, 10%, 75%);
    transition: color var(--transition-speed) ease, padding-left var(--transition-speed) ease;
}

.main-footer a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid hsl(222, 20%, 12%);
    padding-top: 30px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.88rem;
    color: hsl(210, 10%, 55%);
}

/* 13. PAGINAS LEGALES */
.legal-page-header {
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.legal-content {
    font-size: 1.08rem;
    line-height: 1.85;
}

.legal-content h2 {
    font-size: 1.55rem;
    font-weight: 750;
    margin-top: 44px;
    margin-bottom: 18px;
    letter-spacing: -0.5px;
}

.legal-content p, .legal-content ul {
    margin-bottom: 22px;
}

.legal-content ul {
    list-style-type: disc;
    padding-left: 28px;
}

/* 14. ANIMACIONES (FLUIDAS Y OPTIMIZADAS) */
@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleFadeIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes cookieZoomIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes floatGlow {
    0% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -20px) scale(1.1);
    }
    100% {
        transform: translate(-20px, 30px) scale(0.9);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* 15. RESPONSIVIDAD (MOBILE FIRST) */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        padding-top: 100px;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 78px;
        left: 0;
        width: 100%;
        max-height: 0;
        background: var(--card-bg-solid);
        overflow: hidden;
        transition: max-height 0.4s var(--transition-bezier);
        border-bottom: 0 solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    .main-nav.open {
        max-height: min(420px, calc(100vh - 78px));
        overflow-y: auto;
        border-bottom-width: 1px;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: 30px;
        gap: 20px;
    }
    
    .main-nav a {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.05rem;
    }
    
    .main-nav a::after {
        display: none;
    }
    
    .hero-section {
        padding: 50px 0;
    }
    
    .project-content-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .contact-section {
        padding: 50px 24px;
    }
}

/* ==========================================================================
   CARRUSEL DE TARJETAS (carousel dots + transiciones)
   ========================================================================== */

.project-card-media.has-carousel {
    overflow: hidden;
}

/* Contenedor de los puntos indicadores */
.carousel-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 4;
    pointer-events: none;
}

/* Punto individual */
.carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    transition: background 0.3s ease, transform 0.3s ease, width 0.3s ease;
}

/* Punto activo — se alarga como pill */
.carousel-dot.active {
    background: rgba(255, 255, 255, 0.95);
    width: 18px;
    border-radius: 4px;
    transform: none;
}

/* ==========================================================================
   16. SCROLL REVEAL (animación de aparición progresiva al hacer scroll)
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--transition-bezier), transform 0.7s var(--transition-bezier);
}

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

@media (prefers-reduced-motion: reduce) {
    .reveal-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ==========================================================================
   17. PÁGINA DE HERRAMIENTAS
   ========================================================================== */
.tools-hero {
    text-align: center;
    padding: 40px 0 20px 0;
}

.ad-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 32px 0;
    position: relative;
    overflow: hidden;
}

.ad-slot-label {
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.6;
}

.ad-slot-leaderboard { min-height: 90px; }
.ad-slot-rectangle { min-height: 250px; }
.ad-slot-sidebar { min-height: 280px; }

.tools-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.tools-sidebar {
    position: sticky;
    top: 110px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tools-cta-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 26px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.tools-cta-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.tools-cta-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.tools-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.tool-tab {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 18px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.tool-tab:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.tool-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 6px 16px var(--primary-glow);
}

.tool-panel {
    display: none;
    animation: fadeInUp 0.5s var(--transition-bezier) both;
}

.tool-panel.active {
    display: block;
}

.tool-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.tool-desc {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.tool-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow-color);
    margin-bottom: 40px;
}

.tool-mono {
    font-family: 'Courier New', monospace;
    letter-spacing: 0.5px;
}

.password-output-row {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.password-output-row .form-control {
    flex: 1;
    min-width: 200px;
}

.tool-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 12px;
}

.tool-checks {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.92rem;
}

.tool-checks label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--primary-color);
}

.strength-meter {
    width: 100%;
    height: 8px;
    background: var(--accent-bg);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 12px;
}

.strength-bar {
    height: 100%;
    width: 0;
    border-radius: 4px;
    transition: width 0.4s var(--transition-bezier), background-color 0.4s ease;
}

.strength-label {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.stat-box {
    background: var(--accent-bg);
    border-radius: var(--border-radius-sm);
    padding: 18px;
    text-align: center;
}

.stat-box span {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-box label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tools-btn-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.color-picker-row {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 24px;
}

.color-picker-row input[type="color"] {
    width: 60px;
    height: 46px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: none;
}

.color-picker-row .form-control {
    flex: 1;
}

.tool-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 28px 0;
}

.contrast-preview {
    padding: 40px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    transition: color 0.3s ease, background-color 0.3s ease;
}

input[type="color"] {
    width: 100%;
    height: 46px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: none;
    padding: 2px;
}

@media (max-width: 900px) {
    .tools-layout {
        grid-template-columns: 1fr;
    }
    .tools-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }
    .tools-sidebar > * {
        flex: 1;
        min-width: 240px;
    }
}

@media (max-width: 600px) {
    .tool-options-grid {
        grid-template-columns: 1fr;
    }
    .tool-card {
        padding: 20px;
    }
}

/* Migas de pan (breadcrumb) */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.breadcrumb-nav a {
    color: var(--text-muted);
}

.breadcrumb-nav a:hover {
    color: var(--primary-color);
}

.breadcrumb-nav span[aria-current] {
    color: var(--text-color);
    font-weight: 600;
}

/* Directorio de herramientas (página hub) */
.tools-directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.tool-directory-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 28px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: transform 0.4s var(--transition-bezier), box-shadow 0.4s var(--transition-bezier), border-color 0.3s ease;
    color: var(--text-color);
}

.tool-directory-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: 0 16px 36px var(--shadow-color), 0 0 20px var(--primary-glow);
    color: var(--text-color);
}

.tool-directory-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
    color: var(--primary-color);
    margin-bottom: 18px;
}

.tool-directory-card h2 {
    font-size: 1.15rem;
    font-weight: 750;
    margin-bottom: 8px;
}

.tool-directory-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
    flex: 1;
    margin-bottom: 18px;
}

.tool-directory-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 650;
    font-size: 0.88rem;
    color: var(--primary-color);
}

.tool-directory-card:hover .tool-directory-link svg {
    transform: translateX(4px);
}

.tool-directory-link svg {
    transition: transform var(--transition-speed) var(--transition-bezier);
}

/* Artículo explicativo dentro de cada herramienta (contenido SEO) */
.tool-article {
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--border-color);
    line-height: 1.75;
}

.tool-article h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 20px 0 10px 0;
}

.tool-article h2:first-child {
    margin-top: 0;
}

.tool-article p {
    color: var(--text-muted);
    margin-bottom: 14px;
}

.tool-article ul {
    list-style: disc;
    padding-left: 22px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.tool-article li {
    margin-bottom: 6px;
}

/* Otras herramientas (enlazado interno) */
.tools-related {
    margin-top: 20px;
}

.tools-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.tools-related-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 14px 16px;
    color: var(--text-color);
    transition: all var(--transition-speed) var(--transition-bezier);
}

.tools-related-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    color: var(--text-color);
}

.tools-related-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent-bg);
    color: var(--primary-color);
    flex-shrink: 0;
}

.tools-related-card strong {
    display: block;
    font-size: 0.9rem;
}

.tools-related-card small {
    color: var(--text-muted);
    font-size: 0.78rem;
}