/* ==========================================================================
   VARIABLES DE DISEÑO (FASE 1: PALETA TALLER INDUSTRIAL)
   ========================================================================== */
:root {
    --bg-main: #F8F9FA;
    --bg-dark: #181A1B;
    --bg-card: #FFFFFF;
    --text-main: #212529;
    --text-muted: #5A626A;
    --accent: #FF6B00;
    --accent-hover: #E05E00;
    --warning: #FFB703;
    --success: #10B981;
    --border: #DEE2E6;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.65;
    font-size: 16px;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.25;
    color: var(--bg-dark);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: 0.2s ease;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 3.5rem 0;
}

/* ==========================================================================
   HEADER Y NAVEGACIÓN
   ========================================================================== */
.site-header {
    background-color: var(--bg-dark);
    border-bottom: 3px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.5px;
}

.logo .accent {
    color: var(--accent);
}

.main-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.main-nav a {
    color: #E2E8F0;
    font-weight: 500;
    font-size: 0.95rem;
}

.main-nav a:hover {
    color: var(--accent);
}

.nav-highlight {
    background: rgba(255, 107, 0, 0.15);
    border: 1px solid var(--accent);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    color: #FFFFFF !important;
}

/* ==========================================================================
   HERO & BUSCADOR DE SÍNTOMAS
   ========================================================================== */
.hero {
    background-color: var(--bg-dark);
    color: #FFFFFF;
    padding: 4rem 0 3.5rem;
    text-align: center;
    background-image: radial-gradient(#2c3034 1px, transparent 1px);
    background-size: 24px 24px;
}

.badge-tech {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: rgba(255, 107, 0, 0.18);
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero h1 {
    color: #FFFFFF;
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin-bottom: 0.75rem;
}

.hero-subtitle {
    color: #ADB5BD;
    max-width: 680px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.search-box {
    max-width: 720px;
    margin: 0 auto 1.5rem;
    display: flex;
    gap: 0.5rem;
}

.search-box input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid #343A40;
    border-radius: 6px;
    background: #212529;
    color: #FFFFFF;
    font-family: var(--font-body);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-primary {
    background-color: var(--accent);
    color: #FFFFFF;
    border: none;
    padding: 0.9rem 1.6rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.2s;
}

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

.quick-pills {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.pill {
    background: #2B3035;
    color: #DEE2E6;
    border: 1px solid #495057;
    padding: 0.45rem 0.95rem;
    border-radius: 30px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: 0.2s;
}

.pill.active, .pill:hover {
    background: var(--accent);
    color: #FFFFFF;
    border-color: var(--accent);
}

/* ==========================================================================
   MATRIZ DE DIAGNÓSTICO (CARDS)
   ========================================================================== */
.section-header {
    margin-bottom: 2.2rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.4rem;
}

.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 1.5rem;
}

.error-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.error-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
    border-color: var(--accent);
}

.card-badge, .fdm-badge, .sla-badge, .fw-badge {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    display: inline-block;
}

.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
}

.fdm-badge { background: #FFF3E6; color: #D95300; border: 1px solid #FFCCA0; }
.sla-badge { background: #E6F8F3; color: #097956; border: 1px solid #9FE2BF; }
.fw-badge  { background: #FFF8E6; color: #B27B00; border: 1px solid #FFE082; }

.card-visual {
    background: #212529;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid var(--border);
}

.visual-placeholder {
    font-family: var(--font-mono);
    color: #ADB5BD;
    font-size: 0.85rem;
}

.card-body {
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-body h3 {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

.tech-name {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.card-desc {
    font-size: 0.94rem;
    margin-bottom: 1.25rem;
    flex: 1;
}

.btn-card {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    display: inline-block;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

/* ==========================================================================
   RUTA DE CALIBRACIÓN Y CALCULADORA
   ========================================================================== */
.bg-dark-section {
    background-color: var(--bg-dark);
    color: #FFFFFF;
}

.light-header h2 { color: #FFFFFF; }
.light-header p { color: #ADB5BD; }

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.roadmap-step {
    background: #212529;
    border: 1px solid #343A40;
    border-top: 4px solid var(--accent);
    padding: 1.5rem;
    border-radius: 6px;
}

.step-num {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 0.5rem;
}

.roadmap-step h3 {
    color: #FFFFFF;
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

.roadmap-step p {
    color: #ADB5BD;
    font-size: 0.9rem;
}

/* CALCULADORA */
.calculator-box {
    background: var(--bg-card);
    border: 2px solid var(--bg-dark);
    border-radius: 10px;
    padding: 2.2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.full-width { width: 100%; }

.calc-results {
    margin-top: 1.25rem;
    background: #F1F3F5;
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid var(--success);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    font-size: 0.92rem;
}

.result-item code {
    font-family: var(--font-mono);
    background: var(--bg-dark);
    color: var(--success);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* ==========================================================================
   CÓDIGO G, ALERTAS, TABLAS Y ADSENSE
   ========================================================================== */
.code-block {
    background: var(--bg-dark);
    color: #E2E8F0;
    padding: 0.9rem 1.2rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    border-left: 4px solid var(--accent);
}

.btn-copy {
    background: #343A40;
    color: #FFFFFF;
    border: 1px solid #495057;
    padding: 0.35rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
}

.btn-copy:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* BLOQUES DE ADSENSE */
.ad-container { margin-top: 1.5rem; }

.ad-slot {
    background: #ECEFF1;
    border: 2px dashed #B0BEC5;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.2rem;
    margin: 1.5rem 0;
    border-radius: 6px;
}

.ad-label {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: #607D8B;
    font-weight: 600;
}

.ad-leaderboard { min-height: 95px; }
.ad-inarticle { min-height: 120px; }
.ad-sidebar-sticky { min-height: 600px; }

/* DUAL GRID Y AFILIACIÓN */
.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.section-sub {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.slicer-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.slicer-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-main);
}

.slicer-item:hover {
    border-color: var(--accent);
}

.slicer-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.affiliate-box {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.aff-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--accent);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.aff-item h4 { font-size: 1rem; margin-bottom: 0.2rem; }
.aff-item p { font-size: 0.86rem; color: var(--text-muted); }

.btn-affiliate {
    background: var(--accent);
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
    border-radius: 5px;
    white-space: nowrap;
}

.btn-affiliate:hover { background: var(--accent-hover); color: #FFF; }

/* AUTOR E-E-A-T */
.author-eeat-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.author-avatar {
    width: 76px;
    height: 76px;
    background: var(--bg-dark);
    color: var(--accent);
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 2px solid var(--accent);
}

.badge-ok {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    background: #E6F8F3;
    color: var(--success);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

/* ==========================================================================
   DISEÑO DEL ARTÍCULO (SINGLE POST)
   ========================================================================== */
.post-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    padding: 2.5rem 0;
}

.post-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.post-main h1 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 1.5rem;
}

.post-main h2 {
    margin: 2.2rem 0 1rem;
    font-size: 1.55rem;
}

.post-main p {
    margin-bottom: 1rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.comp-box {
    background: var(--bg-card);
    padding: 1.25rem;
    border-radius: 6px;
}

.comp-bad { border: 2px solid #EF4444; }
.comp-good { border: 2px solid var(--success); }

.comp-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    display: block;
    margin-bottom: 0.5rem;
}

.comp-tag.bad { color: #EF4444; }
.comp-tag.good { color: var(--success); }

.quick-fix-box {
    background: #FFFFFF;
    border: 2px solid var(--accent);
    border-left: 8px solid var(--accent);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.quick-fix-box h2 {
    margin-top: 0;
    font-size: 1.3rem;
}

.checklist {
    list-style: none;
}

.checklist li {
    position: relative;
    padding-left: 1.8rem;
    margin-bottom: 0.65rem;
}

.checklist li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

/* TABLAS TÉCNICAS */
.table-responsive {
    overflow-x: auto;
    margin: 1.2rem 0 1.8rem;
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    font-size: 0.92rem;
}

.tech-table th {
    background: var(--bg-dark);
    color: #FFFFFF;
    font-family: var(--font-heading);
    text-align: left;
    padding: 0.85rem 1rem;
}

.tech-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.tech-table tr:hover {
    background: #F1F3F5;
}

.warning-box {
    background: #FFF9DB;
    border-left: 6px solid var(--warning);
    padding: 1.2rem;
    border-radius: 6px;
    margin: 1.5rem 0;
    font-size: 0.94rem;
}

/* SIDEBAR STICKY */
.sidebar-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.sidebar-links {
    list-style: none;
    margin-top: 0.75rem;
}

.sidebar-links li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.sticky-ad-wrapper {
    position: sticky;
    top: 90px;
}

/* FOOTER */
.site-footer {
    background: var(--bg-dark);
    color: #ADB5BD;
    padding: 3.5rem 0 2rem;
    margin-top: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #343A40;
}

.footer-grid h4 {
    color: #FFFFFF;
    margin-bottom: 1rem;
}

.footer-grid ul {
    list-style: none;
}

.footer-grid li {
    margin-bottom: 0.5rem;
}

.footer-grid a {
    color: #ADB5BD;
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 1.5rem;
    font-size: 0.82rem;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .calculator-box, .dual-grid, .post-layout, .footer-grid, .comparison-grid {
        grid-template-columns: 1fr;
    }
    .search-box {
        flex-direction: column;
    }
    .author-eeat-box {
        flex-direction: column;
        text-align: center;
    }
}