/* ========================================================
   VOLTIVERSO - SISTEMA DE DISEÑO ENERGÉTICO Y AUTOCONSUMO
   Portal de Energía Solar, Baterías Virtuales y Eficiencia Energética
   Optimizado para Google AdSense, Core Web Vitals (CLS = 0) y E-E-A-T
   ======================================================== */

/* ===== 1. VARIABLES GLOBALES DE DISEÑO ===== */
:root {
    /* Paleta Institucional (Alta Autoridad Técnica y Sostenibilidad) */
    --color-bg-primary: #f8fafc;
    --color-bg-surface: #ffffff;
    --color-bg-secondary: #f1f5f9;
    --color-bg-card: #ffffff;
    --color-bg-hover: #e2e8f0;

    --color-text-primary: #0f172a;
    --color-text-secondary: #334155;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-border-subtle: #cbd5e1;

    /* Acentos Energía Solar y Sostenibilidad */
    --color-brand: #059669;          /* Esmeralda Sostenible */
    --color-brand-dark: #047857;
    --color-brand-light: #d1fae5;
    --color-solar: #f59e0b;          /* Ámbar Solar */
    --color-solar-dark: #d97706;
    --color-solar-light: #fef3c7;
    --color-electric: #0284c7;       /* Azul Eléctrico */
    --color-electric-dark: #0369a1;
    --color-success: #10b981;
    --color-danger: #ef4444;

    /* Tipografía */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Sombras y Elevaciones */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.09);

    /* Radios */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Dimensiones */
    --header-height: 68px;
    --container-max: 1280px;
    --sidebar-width: 340px;
    --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modo Oscuro Global */
[data-theme="dark"] {
    --color-bg-primary: #09131a;
    --color-bg-surface: #0f1f2a;
    --color-bg-secondary: #142a38;
    --color-bg-card: #122432;
    --color-bg-hover: #1b384c;

    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-border: #1e3a4e;
    --color-border-subtle: #2d4f66;

    --color-brand: #10b981;
    --color-brand-dark: #059669;
    --color-brand-light: rgba(16, 185, 129, 0.15);
    --color-solar: #fbbf24;
    --color-solar-dark: #f59e0b;
    --color-solar-light: rgba(251, 191, 36, 0.15);
    --color-electric: #38bdf8;

    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.55);
}

/* ===== 2. RESET Y BASES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-brand);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-brand-dark);
}

img, svg, video, canvas, audio, iframe, embed, object {
    max-width: 100%;
    height: auto;
}

code, pre {
    font-family: monospace, monospace;
    word-break: break-word;
    white-space: pre-wrap;
    max-width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-primary);
    line-height: 1.25;
    font-weight: 700;
}

h1 { font-size: clamp(1.85rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.45rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ===== 3. HEADER & NAVEGACIÓN ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: 100%;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    text-decoration: none;
    flex-shrink: 0;
    margin-right: 2.25rem; /* Generosa separación clara del enlace 'Inicio' */
}

.logo__icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-brand), var(--color-solar));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
    flex-shrink: 0;
}

.logo__text {
    display: inline;
    white-space: nowrap;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--color-text-primary);
}

[data-theme="dark"] .logo__text,
[data-theme="dark"] .logo {
    color: #ffffff !important;
}

[data-theme="light"] .logo__text,
[data-theme="light"] .logo {
    color: #0f172a !important;
}

.logo__accent {
    color: var(--color-brand) !important;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-grow: 1;
    justify-content: flex-start;
}

.header__menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.75rem; /* Espaciado uniforme y armónico */
}

.header__menu-link {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.65rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.header__menu-link:hover,
.header__menu-link.active {
    color: var(--color-brand);
    background-color: var(--color-bg-secondary);
}

/* Elementos exclusivos del menú desplegable móvil (completamente ocultos en PC/Escritorio) */
.mobile-menu-cta,
.mobile-menu-footer {
    display: none !important;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.theme-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    transition: var(--transition);
}

.theme-btn:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-brand);
}

.btn-header-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark));
    color: #ffffff !important;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
    transition: var(--transition);
}

.btn-header-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== 4. BANNER ADSENSE CERO CLS (CORE WEB VITALS) ===== */
.ad-slot-container {
    margin: 1.75rem auto;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ad-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 0.35rem;
    display: block;
}

.ad-box {
    background-color: var(--color-bg-secondary);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

/* Formatos estándar certificados AdSense */
.ad-box--leaderboard {
    width: 100%;
    max-width: 728px;
    height: 90px;
    min-height: 90px;
}

.ad-box--rectangle {
    width: 300px;
    height: 250px;
    min-height: 250px;
}

.ad-box--halfpage {
    width: 300px;
    height: 600px;
    min-height: 600px;
}

.ad-box--in-article {
    width: 100%;
    max-width: 100%;
    height: 120px;
    min-height: 120px;
}

.ad-placeholder-text {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem;
}

.ad-placeholder-text i {
    font-size: 1.25rem;
    color: var(--color-brand);
}

/* Compatibilidad de selectores y ocultación automática al rellenar anuncios */
.ad-slot-wrapper {
    margin: 1.75rem auto;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ad-slot {
    background-color: var(--color-bg-secondary);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}
.ad-slot--leaderboard { width: 100%; max-width: 728px; height: 90px; min-height: 90px; }
.ad-slot--in-content { width: 100%; max-width: 728px; height: 120px; min-height: 90px; }
.ad-slot--sidebar-rect { width: 300px; height: 250px; min-height: 250px; }
.ad-slot--sidebar-halfpage { width: 300px; height: 600px; min-height: 600px; }
.ad-slot-placeholder-text {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem;
}
.ad-slot-placeholder-text i { font-size: 1.25rem; color: var(--color-brand); }

ins.adsbygoogle[data-ad-status="filled"] + .ad-placeholder-text,
ins.adsbygoogle[data-adsbygoogle-status="done"] + .ad-placeholder-text,
ins.adsbygoogle[data-ad-status="filled"] + .ad-slot-placeholder-text,
ins.adsbygoogle[data-adsbygoogle-status="done"] + .ad-slot-placeholder-text {
    display: none !important;
}

/* ===== 5. SECCIÓN HERO ===== */
.hero {
    padding: 3rem 0 2rem;
    background: radial-gradient(circle at 80% 20%, var(--color-solar-light) 0%, transparent 40%),
                radial-gradient(circle at 10% 80%, var(--color-brand-light) 0%, transparent 40%);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    background-color: var(--color-brand-light);
    color: var(--color-brand-dark);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border: 1px solid rgba(5, 150, 105, 0.2);
}

[data-theme="dark"] .hero__badge {
    color: var(--color-brand);
}

.hero__title {
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero__title span {
    background: linear-gradient(135deg, var(--color-brand), var(--color-solar));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__lead {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.6;
}

.hero__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.metric-item__num {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-brand);
    display: block;
    line-height: 1.1;
}

.metric-item__lbl {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Card Interactiva Rápida del Hero */
.hero-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.hero-card__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.hero-card__icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background-color: var(--color-solar-light);
    color: var(--color-solar-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.hero-card__title {
    font-size: 1.2rem;
    font-weight: 700;
}

/* ===== 6. SIMULADOR SOLAR INTERACTIVO ===== */
.solar-calc-form {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--color-text-primary);
    display: flex;
    justify-content: space-between;
}

.form-control, select.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.calc-results-box {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.08), rgba(245, 158, 11, 0.08));
    border: 1px solid var(--color-brand-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-top: 0.5rem;
}

.calc-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
}

.calc-res-item {
    display: flex;
    flex-direction: column;
}

.calc-res-val {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-brand-dark);
}

[data-theme="dark"] .calc-res-val {
    color: var(--color-brand);
}

.calc-res-lbl {
    font-size: 0.76rem;
    color: var(--color-text-muted);
}

/* ===== 7. TICKER ENERGÉTICO EN VIVO ===== */
.energy-ticker {
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
    margin-bottom: 2rem;
    width: 100%;
    overflow: hidden;
}

.ticker-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.ticker-inner::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    white-space: nowrap;
    font-size: 0.88rem;
}

.ticker-item i {
    color: var(--color-solar);
}

.ticker-item__label {
    color: var(--color-text-muted);
}

.ticker-item__val {
    font-weight: 700;
    color: var(--color-text-primary);
}

.ticker-badge {
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    background-color: var(--color-brand-light);
    color: var(--color-brand-dark);
}

/* ===== 8. GRID DE CATEGORÍAS & CARDS ===== */
.section {
    padding: 3rem 0;
}

.section--alt {
    background-color: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 2.5rem;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-brand);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-top: 0.6rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.75rem;
}

.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-subtle);
}

.card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--color-brand-light);
    color: var(--color-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
}

.card__title {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.card__text {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    flex-grow: 1;
    margin-bottom: 1.25rem;
}

.card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--color-brand);
}

.card__link:hover {
    gap: 0.65rem;
}

/* Tarjetas de Artículo */
.article-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand);
}

.article-card__header {
    height: 180px;
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-hover));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: var(--color-brand);
    font-size: 3rem;
}

.article-card__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--color-bg-surface);
    color: var(--color-brand);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-xs);
}

.article-card__body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.article-card__title {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.article-card__title a {
    color: var(--color-text-primary);
}

.article-card__title a:hover {
    color: var(--color-brand);
}

.article-card__excerpt {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

/* ===== 9. TABLAS COMPARATIVAS DE TARIFAS SOLARES ===== */
.comparison-table-wrapper {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-surface);
    box-shadow: var(--shadow-sm);
    margin: 1.5rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
}

.comparison-table th {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-weight: 700;
    padding: 1rem 1.15rem;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.comparison-table td {
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover td {
    background-color: var(--color-bg-secondary);
}

.badge-winner {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    background-color: var(--color-brand-light);
    color: var(--color-brand-dark);
    font-size: 0.76rem;
    font-weight: 700;
}

/* ===== 10. FORMATO DE ARTÍCULO (LECTURA OPTIMIZADA) ===== */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    gap: 2.5rem;
    padding: 2.5rem 0;
}

.article-main {
    max-width: 100%;
    min-width: 0;
}

.article-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1.5rem;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

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

.breadcrumbs a:hover {
    color: var(--color-brand);
}

.article-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
    line-height: 1.25;
}

.article-author-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.25rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-brand), var(--color-solar));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.15rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.author-credentials {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* Contenido del Artículo */
.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.article-content h2 {
    margin: 2.25rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-brand-light);
}

.article-content h3 {
    margin: 1.75rem 0 0.75rem;
}

.article-content ul, .article-content ol {
    margin: 1rem 0 1.5rem 1.75rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.callout-box {
    background-color: var(--color-bg-secondary);
    border-left: 4px solid var(--color-brand);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.callout-box--warning {
    border-left-color: var(--color-solar);
    background-color: var(--color-solar-light);
    color: #78350f;
}

[data-theme="dark"] .callout-box--warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fde68a;
}

.callout-title {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Sidebar */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.sidebar-widget {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget__title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

/* Tarjeta E-E-A-T Autor en Sidebar */
.eeat-box {
    background: linear-gradient(135deg, var(--color-bg-surface), var(--color-bg-secondary));
    border: 1px solid var(--color-brand-light);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.eeat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.55rem;
    background-color: var(--color-brand-light);
    color: var(--color-brand-dark);
    font-size: 0.74rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

/* ===== 11. FAQ ACCIÓN INTERACTIVA (ACORDEÓN) ===== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.faq-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.15rem 1.25rem;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    gap: 1rem;
}

.faq-icon {
    font-size: 0.9rem;
    transition: transform 0.25s ease;
    color: var(--color-brand);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.25rem;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    padding-bottom: 1.25rem;
}

/* ===== 12. BANNER DE COOKIES Y CONSENT MODE V2 ===== */
.cookie-banner {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    max-width: 520px;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.25);
    z-index: 999;
    display: none;
    flex-direction: column;
    gap: 1rem;
}

.cookie-banner.active {
    display: flex;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.cookie-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.cookie-header i {
    color: var(--color-solar);
    font-size: 1.35rem;
}

.cookie-text {
    font-size: 0.86rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-cookie-accept {
    background-color: var(--color-brand);
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    flex: 1;
    transition: var(--transition);
}

.btn-cookie-accept:hover {
    background-color: var(--color-brand-dark);
}

.btn-cookie-reject {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cookie-reject:hover {
    background-color: var(--color-bg-hover);
}

/* ===== 13. FOOTER COMPLETO ===== */
.footer {
    background-color: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    padding: 3.5rem 0 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.footer-col__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.88rem;
}

.footer-links a:hover {
    color: var(--color-brand);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

.disclaimer-box {
    font-size: 0.76rem;
    color: var(--color-text-muted);
    background-color: var(--color-bg-secondary);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* ===== 14. MEDIA QUERIES (RESPONSIVE MÓVIL 360px - 992px) ===== */
@media (max-width: 992px) {
    .hero__inner {
        grid-template-columns: 1fr;
    }

    .article-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 58px;
    }

    html, body {
        width: 100% !important;
        max-width: 100vw !important;
        overflow-x: hidden !important;
    }

    .container {
        padding: 0 1rem !important;
    }

    /* 1. Header Fijo y Limpio (Sin colisión con Logo y Botones) */
    .header {
        height: 58px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 10000 !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background-color: var(--color-bg-surface) !important;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    }

    .header__inner {
        height: 100% !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }

    .logo {
        font-size: 1.18rem !important;
        gap: 0.5rem !important;
        flex-shrink: 0 !important;
        margin-right: 0 !important;
    }

    .logo__icon {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.95rem !important;
        border-radius: var(--radius-sm) !important;
    }

    .header__actions {
        display: flex !important;
        align-items: center !important;
        gap: 0.55rem !important;
        flex-shrink: 0 !important;
    }

    /* Ocultar botón CTA largo en la barra superior en móvil para evitar empujar el logo y el botón de tema */
    .header__actions .btn-header-cta {
        display: none !important;
    }

    .theme-btn {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        font-size: 0.95rem !important;
        border-radius: 50% !important;
    }

    /* 2. Botón Hamburguesa Estilizado con Animación a X */
    .hamburger {
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 4px !important;
        width: 38px !important;
        height: 38px !important;
        min-width: 38px !important;
        padding: 7px !important;
        border-radius: 8px !important;
        background-color: var(--color-bg-secondary) !important;
        border: 1px solid var(--color-border) !important;
        cursor: pointer !important;
        transition: var(--transition) !important;
    }

    .hamburger span {
        display: block !important;
        width: 20px !important;
        height: 2px !important;
        background-color: var(--color-text-primary) !important;
        border-radius: 2px !important;
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
        transform-origin: center !important;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg) !important;
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0 !important;
        transform: scaleX(0) !important;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg) !important;
    }

    /* 3. Menú Lateral Desplegable Móvil (Drawer a Pantalla Completa sin cortes) */
    .header__nav {
        position: fixed !important;
        top: 58px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        height: calc(100vh - 58px) !important;
        height: calc(100dvh - 58px) !important;
        background-color: var(--color-bg-surface) !important;
        z-index: 99999 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        padding: 1.15rem 1rem 2.5rem !important;
        gap: 0.75rem !important;
        transform: translateX(-100%) !important;
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45) !important;
        border-top: 1px solid var(--color-border) !important;
    }

    .header__nav.active {
        transform: translateX(0) !important;
    }

    .header__menu {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        gap: 0.5rem !important;
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .header__menu li {
        width: 100% !important;
    }

    .header__menu-link {
        display: flex !important;
        align-items: center !important;
        gap: 0.85rem !important;
        width: 100% !important;
        padding: 0.85rem 1rem !important;
        font-size: 1rem !important;
        font-weight: 600 !important;
        color: var(--color-text-primary) !important;
        background-color: var(--color-bg-secondary) !important;
        border: 1px solid var(--color-border) !important;
        border-radius: var(--radius-md) !important;
        min-height: 48px !important;
        transition: background 0.2s, color 0.2s !important;
    }

    .header__menu-link i {
        width: 22px !important;
        text-align: center !important;
        font-size: 1.1rem !important;
        color: var(--color-brand) !important;
    }

    .header__menu-link:hover,
    .header__menu-link.active {
        background-color: var(--color-brand-light) !important;
        color: var(--color-brand-dark) !important;
        border-color: var(--color-brand) !important;
    }

    .mobile-menu-cta {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.65rem !important;
        width: 100% !important;
        min-height: 50px !important;
        padding: 0.9rem 1.25rem !important;
        background: linear-gradient(135deg, var(--color-brand), var(--color-brand-dark)) !important;
        color: #ffffff !important;
        font-weight: 700 !important;
        font-size: 1rem !important;
        border-radius: var(--radius-md) !important;
        text-decoration: none !important;
        margin-top: 0.5rem !important;
        box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35) !important;
    }

    .mobile-menu-footer {
        display: block !important;
        text-align: center !important;
        font-size: 0.76rem !important;
        color: var(--color-text-muted) !important;
        padding-top: 0.75rem !important;
        margin-top: auto !important;
    }

    /* 4. Hero y Grillas Calibradas para 392px x 843px */
    .hero {
        padding: 1.75rem 0 2rem !important;
    }

    .hero__title {
        font-size: 1.75rem !important;
        line-height: 1.22 !important;
    }

    .hero__lead {
        font-size: 0.98rem !important;
        line-height: 1.55 !important;
    }

    .hero__metrics {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
        padding-top: 1.25rem !important;
    }

    .hero-card {
        padding: 1.25rem !important;
    }

    .cards-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem !important;
    }

    .card {
        max-width: 100% !important;
    }

    .search-input {
        font-size: 0.95rem !important;
        padding: 0.75rem 1rem 0.75rem 2.75rem !important;
    }

    .search-box-wrapper i {
        left: 1rem !important;
    }

    .category-pills {
        justify-content: flex-start !important;
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        padding-bottom: 0.5rem !important;
        -webkit-overflow-scrolling: touch !important;
    }

    .category-pill {
        flex-shrink: 0 !important;
        font-size: 0.82rem !important;
        padding: 0.4rem 0.85rem !important;
    }

    .ad-slot-container {
        max-width: 100% !important;
        overflow: hidden !important;
    }

    .ad-box, .ad-slot {
        max-width: 100% !important;
    }

    .ad-box--leaderboard, .ad-slot--leaderboard, .ad-slot--in-content {
        width: 100% !important;
        max-width: 320px !important;
        height: 100px !important;
        min-height: 100px !important;
        margin: 0 auto !important;
    }

    .ad-slot--sidebar-rect, .ad-slot--sidebar-halfpage {
        max-width: 100% !important;
    }

    /* 5. Contención de Desbordamiento Horizontal Total (0px overflow) */
    .energy-ticker {
        width: 100% !important;
        max-width: 100vw !important;
        overflow: hidden !important;
    }

    .ticker-inner {
        display: flex !important;
        align-items: center !important;
        gap: 1.5rem !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .ticker-inner::-webkit-scrollbar {
        display: none !important;
    }

    /* 6. Formato de Artículos y Guías 100% Adaptados a Móvil (Cero texto cortado) */
    .article-layout {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        padding: 1.25rem 0 !important;
        gap: 2rem !important;
    }

    .article-main {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
    }

    .article-title {
        font-size: 1.55rem !important;
        line-height: 1.25 !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }

    .article-content {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        font-size: 0.98rem !important;
        line-height: 1.65 !important;
    }

    .article-content h1,
    .article-content h2,
    .article-content h3,
    .article-content p,
    .article-content ul,
    .article-content ol,
    .article-content li,
    .callout-box {
        max-width: 100% !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }

    .article-content ul,
    .article-content ol {
        padding-left: 1.25rem !important;
        margin: 0.75rem 0 1.25rem !important;
    }

    .article-author-bar {
        flex-wrap: wrap !important;
        gap: 0.75rem !important;
    }

    .callout-box {
        padding: 1rem !important;
        margin: 1.25rem 0 !important;
    }

    .article-sidebar {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    /* 7. Tablas Comparativas Táctiles con Deslizamiento y Aviso Visual */
    .comparison-table-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        display: block !important;
        margin: 1.5rem 0 !important;
        border-radius: var(--radius-md) !important;
        border: 1px solid var(--color-border) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
        scrollbar-width: thin !important;
        scrollbar-color: var(--color-brand) var(--color-bg-secondary) !important;
    }

    .comparison-table-wrapper::before {
        content: "👉 Desliza la tabla para ver todos los datos ↔️";
        display: block !important;
        padding: 0.4rem 0.75rem !important;
        font-size: 0.76rem !important;
        font-weight: 600 !important;
        color: var(--color-brand) !important;
        background-color: var(--color-bg-secondary) !important;
        border-bottom: 1px solid var(--color-border) !important;
        text-align: right !important;
    }

    .comparison-table-wrapper::-webkit-scrollbar {
        height: 6px !important;
        display: block !important;
    }

    .comparison-table-wrapper::-webkit-scrollbar-track {
        background: var(--color-bg-secondary) !important;
        border-radius: 4px !important;
    }

    .comparison-table-wrapper::-webkit-scrollbar-thumb {
        background: var(--color-brand) !important;
        border-radius: 4px !important;
    }

    .comparison-table, .tech-spec-table {
        min-width: 580px !important;
        width: 100% !important;
    }

    .comparison-table th, .tech-spec-table th {
        padding: 0.75rem 0.85rem !important;
        font-size: 0.82rem !important;
        white-space: nowrap !important;
    }

    .comparison-table td, .tech-spec-table td {
        padding: 0.75rem 0.85rem !important;
        font-size: 0.84rem !important;
        white-space: nowrap !important;
    }

    /* 6. Banner de Cookies RGPD Adaptado al 100% en Pantallas Móviles */
    .cookie-banner {
        left: 0.75rem !important;
        right: 0.75rem !important;
        bottom: 0.75rem !important;
        max-width: calc(100vw - 1.5rem) !important;
        padding: 1rem !important;
    }

    .cookie-actions {
        display: flex !important;
        gap: 0.5rem !important;
        width: 100% !important;
    }

    .btn-cookie-accept, .btn-cookie-reject {
        flex: 1 1 auto !important;
        text-align: center !important;
        justify-content: center !important;
        font-size: 0.88rem !important;
        padding: 0.65rem 0.75rem !important;
    }

    /* 8. Componentes Interactivos y Glosario en Pantallas Móviles */
    .appliance-selector-grid {
        grid-template-columns: 1fr !important;
        gap: 0.65rem !important;
    }

    .alphabet-nav {
        gap: 0.25rem !important;
    }

    .alphabet-btn {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.8rem !important;
    }

    .glossary-card {
        padding: 1.15rem !important;
    }

    .formula-box {
        padding: 0.9rem 1rem !important;
        font-size: 0.82rem !important;
        word-break: break-all !important;
    }

    .breadcrumbs {
        font-size: 0.76rem !important;
        gap: 0.35rem !important;
        margin-bottom: 0.75rem !important;
    }

    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 1.75rem !important;
    }
}

/* ===== 13. BUSCADOR INTERACTIVO Y FILTRO DE CATEGORÍAS (PILLS) ===== */
.filter-controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 2rem 0 2.5rem;
    align-items: center;
}

.search-box-wrapper {
    position: relative;
    width: 100%;
    max-width: 580px;
}

.search-box-wrapper i {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-brand);
    font-size: 1.1rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.9rem 1.25rem 0.9rem 3.1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    outline: none;
}

.search-input:focus {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 3px var(--color-brand-light);
}

.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.category-pill {
    padding: 0.55rem 1.15rem;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-surface);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.category-pill:hover {
    border-color: var(--color-brand);
    color: var(--color-brand);
    transform: translateY(-1px);
}

.category-pill.active {
    background-color: var(--color-brand);
    border-color: var(--color-brand);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.28);
}

/* Animación sutil para las tarjetas filtradas */
.article-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

/* ===== 14. COMPONENTES NUEVAS HERRAMIENTAS Y COMPARADORES ===== */
.appliance-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.appliance-check-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.95rem 1.15rem;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.appliance-check-card:hover {
    border-color: var(--color-brand);
    background: var(--color-brand-light);
}

.appliance-check-card.checked {
    border-color: var(--color-brand);
    background: var(--color-brand-light);
    box-shadow: 0 0 0 2px var(--color-brand);
}

.appliance-check-card input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-brand);
    cursor: pointer;
}

.appliance-check-card i {
    font-size: 1.25rem;
    color: var(--color-brand);
    width: 24px;
    text-align: center;
}

.appliance-info {
    display: flex;
    flex-direction: column;
}

.appliance-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.appliance-power {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* Tablas técnicas comparativas enriquecidas */
.comparison-table-wrapper {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.75rem 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.tech-spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    text-align: left;
    background: var(--color-bg-surface);
}

.tech-spec-table th {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: 1rem 1.25rem;
    font-weight: 700;
    border-bottom: 2px solid var(--color-border);
}

.tech-spec-table td {
    padding: 0.95rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    vertical-align: middle;
}

.tech-spec-table tr:hover {
    background: var(--color-brand-light);
}

.tech-spec-table tr:last-child td {
    border-bottom: none;
}

.score-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.8rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-brand);
}

.score-badge--gold {
    background: rgba(245, 158, 11, 0.18);
    color: var(--color-solar-dark);
}

/* Glosario Energético A-Z */
.alphabet-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1.5rem 0 2rem;
    justify-content: center;
}

.alphabet-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.alphabet-btn:hover, .alphabet-btn.active {
    background: var(--color-brand);
    color: #ffffff;
    border-color: var(--color-brand);
}

.glossary-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.glossary-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-brand);
}

.glossary-term {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-brand);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.glossary-category-tag {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-full);
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
}

.glossary-definition {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.formula-box {
    background: var(--color-bg-secondary);
    border-left: 4px solid var(--color-brand);
    padding: 1.2rem 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--color-text-primary);
}