/* ═══════════════════════════════════════════════════════════════════════════
   NTV Developers — CSS Público  |  Paleta Carbón Premium
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
    --clr-primary:      #222831;
    --clr-primary-90:   rgba(34, 40, 49, .90);
    --clr-brand:        #D1CCC9;
    --clr-accent:       #6EC8B8;
    --clr-accent-dark:  #4DADA0;
    --clr-bg:           #FAFAF9;
    --clr-subtle:       #F2F0EE;
    --clr-text:         #1A1A1A;
    --clr-text-muted:   #6B6B6B;
    --clr-border:       #E2DFDB;
    --clr-white:        #FFFFFF;

    --font:             'IBM Plex Sans', system-ui, sans-serif;

    --header-h:         68px;
    --radius:           10px;
    --radius-lg:        16px;
    --shadow-sm:        0 1px 4px rgba(0,0,0,.08);
    --shadow-md:        0 4px 24px rgba(0,0,0,.10);
    --shadow-lg:        0 8px 48px rgba(0,0,0,.14);

    --container:        1200px;
    --section-py:       96px;
    --transition:       .25s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── Tipografía base ────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -.02em; }

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
}

/* ═══════════════════════════════════════════════════════════════ HEADER / NAV */
.site-header {
    position: fixed;
    top: 0;
    inset-inline: 0;
    z-index: 1000;
    height: var(--header-h);
    background: var(--clr-primary);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,.25);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
    gap: 24px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--clr-primary);
    background: var(--clr-accent);
    padding: 5px 8px;
    border-radius: 6px;
    line-height: 1;
}

.logo-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--clr-brand);
    letter-spacing: -.01em;
}

/* Nav */
.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: rgba(209,204,201,.75);
    padding: 6px 12px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--clr-white);
    background: rgba(255,255,255,.07);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-primary);
    background: var(--clr-accent);
    padding: 8px 16px;
    border-radius: 8px;
    margin-left: 8px;
    transition: background var(--transition), transform var(--transition);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--clr-accent-dark);
    transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: 6px;
    transition: background var(--transition);
}

.nav-toggle:hover { background: rgba(255,255,255,.08); }

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--clr-brand);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* ═══════════════════════════════════════════════════════════════════════ HERO */
.hero {
    position: relative;
    height: 100svh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    background: var(--clr-primary);
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity .7s ease;
    pointer-events: none;
}

.hero-slide.active {
    opacity: 1;
    pointer-events: auto;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(34, 40, 49, .88) 0%,
        rgba(34, 40, 49, .60) 60%,
        rgba(34, 40, 49, .40) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
    padding-top: var(--header-h);
}

.hero-title {
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    font-weight: 700;
    color: var(--clr-white);
    line-height: 1.1;
    max-width: 680px;
    letter-spacing: -.03em;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--clr-brand);
    max-width: 520px;
    line-height: 1.55;
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--clr-accent);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: 10px;
    transition: background var(--transition), transform var(--transition);
}

.btn-hero-primary:hover {
    background: var(--clr-accent-dark);
    transform: translateY(-2px);
}

.btn-hero-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--clr-brand);
    font-weight: 500;
    font-size: 15px;
    padding: 14px 20px;
    border: 1.5px solid rgba(209,204,201,.35);
    border-radius: 10px;
    transition: border-color var(--transition), color var(--transition);
}

.btn-hero-secondary:hover {
    border-color: var(--clr-brand);
    color: var(--clr-white);
}

.hero-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,.3);
    transition: background var(--transition), transform var(--transition);
}

.hero-dot.active {
    background: var(--clr-accent);
    transform: scale(1.3);
}

.hero-scroll {
    position: absolute;
    bottom: 28px;
    right: 36px;
    color: rgba(255,255,255,.45);
    z-index: 10;
    animation: bounce 2.2s ease-in-out infinite;
    transition: color var(--transition);
}

.hero-scroll:hover { color: var(--clr-accent); }

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(8px); }
}

/* ═══════════════════════════════════════════════════════════ SCROLL REVEAL */
[data-reveal] {
    opacity: 0;
    transform: translateY(52px) scale(.97);
    transition: opacity .75s cubic-bezier(.22,.68,0,1.2),
                transform .75s cubic-bezier(.22,.68,0,1.2);
    transition-delay: var(--reveal-delay, 0s);
}

[data-reveal].visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* ═══════════════════════════════════════════════════════════════════ SECTIONS */
.section { padding-block: var(--section-py); }

.section-light  { background: var(--clr-bg); }
.section-dark   { background: var(--clr-primary); }
.section-subtle { background: var(--clr-subtle); }
.section-accent { background: var(--clr-primary); }

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header-light .section-eyebrow,
.section-header-light .section-title,
.section-header-light .section-subtitle {
    color: inherit;
}

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 16px;
    letter-spacing: -.03em;
}

.section-dark .section-title,
.section-dark .section-subtitle {
    color: var(--clr-white);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--clr-text-muted);
    max-width: 620px;
    margin-inline: auto;
    line-height: 1.65;
}

.section-dark .section-subtitle {
    color: var(--clr-brand);
    opacity: .8;
}

/* ═══════════════════════════════════════════════════════════════ SERVICIOS */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--clr-white);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.service-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--svc-color, var(--clr-accent)) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--svc-color, var(--clr-accent));
    margin-bottom: 20px;
}

.service-icon svg { width: 24px; height: 24px; }

.service-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--clr-text);
}

.service-desc {
    font-size: .9rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════ TECNOLOGÍAS */
.tech-groups {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 40px;
}

.tech-group-title {
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: 14px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    font-size: 13px;
    font-weight: 500;
    color: var(--clr-brand);
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(209,204,201,.2);
    border-radius: 6px;
    padding: 5px 12px;
    transition: background var(--transition), border-color var(--transition);
}

.tech-tag:hover {
    background: rgba(110,200,184,.15);
    border-color: var(--clr-accent);
    color: var(--clr-accent);
}

/* ═══════════════════════════════════════════════════════════ INDUSTRIAS */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px 24px;
    background: var(--clr-white);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.industry-item:hover {
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.industry-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--clr-accent) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-accent);
}

.industry-icon svg { width: 28px; height: 28px; }

.industry-name {
    font-size: .9rem;
    font-weight: 600;
    color: var(--clr-text);
    line-height: 1.35;
}

/* ═══════════════════════════════════════════════════════════ CASOS */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.case-card {
    background: var(--clr-white);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}

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

.case-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-body { padding: 28px; }

.case-industry {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--clr-accent);
    margin-bottom: 10px;
}

.case-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--clr-text);
}

.case-block { margin-bottom: 16px; }
.case-block:last-child { margin-bottom: 0; }

.case-block-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    margin-bottom: 4px;
}

.case-block p {
    font-size: .88rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════ NOSOTROS */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-title { text-align: left; margin-bottom: 20px; }
.about-text .section-eyebrow { display: block; }

.about-text p {
    color: var(--clr-text-muted);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.7;
}

.about-text p:last-of-type { margin-bottom: 32px; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--clr-primary);
    color: var(--clr-white);
    font-weight: 600;
    font-size: 15px;
    padding: 13px 26px;
    border-radius: 10px;
    transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
    background: #2e3845;
    transform: translateY(-2px);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat {
    background: var(--clr-white);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.stat:hover {
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--clr-accent);
    letter-spacing: -.04em;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: .8rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    line-height: 1.4;
}

/* ═══════════════════════════════════════════════════════════ CONTACTO */
.contact-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 80px;
    align-items: start;
}

.contact-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--clr-white);
    margin-bottom: 16px;
}

.contact-subtitle {
    color: var(--clr-brand);
    opacity: .75;
    line-height: 1.65;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-brand);
    opacity: .85;
}

.contact-field input,
.contact-field textarea {
    font-family: var(--font);
    font-size: 14px;
    color: var(--clr-white);
    background: rgba(255,255,255,.06);
    border: 1.5px solid rgba(255,255,255,.12);
    border-radius: 8px;
    padding: 10px 14px;
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
    color: rgba(255,255,255,.3);
}

.contact-field input:focus,
.contact-field textarea:focus {
    border-color: var(--clr-accent);
    background: rgba(110,200,184,.06);
}

.btn-contact-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--clr-accent);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: 15px;
    padding: 14px 32px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    align-self: flex-start;
    transition: background var(--transition), transform var(--transition);
}

.btn-contact-submit:hover {
    background: var(--clr-accent-dark);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════════════════════ FOOTER */
.site-footer {
    background: #181C22;
    color: var(--clr-brand);
    padding-top: 72px;
}

.footer-inner {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-brand .site-logo { margin-bottom: 16px; }

.footer-tagline {
    font-size: .9rem;
    color: rgba(209,204,201,.55);
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(209,204,201,.55);
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.footer-social a:hover {
    color: var(--clr-accent);
    border-color: var(--clr-accent);
    background: rgba(110,200,184,.08);
}

/* ═══════════════════════════════════════════════════════════ E3: HEADER SEARCH */
.nav-link--search {
    display: inline-flex;
    align-items: center;
    padding: 4px 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}
.nav-link--search:hover { color: var(--clr-accent); background: rgba(110,200,184,.08); }

/* ═══════════════════════════════════════════════════════════ BLOG HERO */
.blog-hero {
    background: var(--clr-primary);
    padding: 80px 0 60px;
    text-align: center;
}
.blog-hero-inner { max-width: 680px; margin: 0 auto; }
.blog-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--clr-white);
    margin: 8px 0 16px;
}
.blog-hero-subtitle {
    color: rgba(255,255,255,.6);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

/* Search bar en el blog hero */
.blog-search-bar {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    border: 1.5px solid rgba(255,255,255,.2);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color var(--transition);
}
.blog-search-bar:focus-within { border-color: var(--clr-accent); }
.blog-search-input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255,255,255,.07);
    color: var(--clr-white);
    font-family: var(--font);
    font-size: .95rem;
    border: none;
    outline: none;
}
.blog-search-input::placeholder { color: rgba(255,255,255,.35); }
.blog-search-btn {
    padding: 12px 20px;
    background: var(--clr-accent);
    color: var(--clr-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    transition: background var(--transition);
}
.blog-search-btn:hover { background: var(--clr-accent-dark); }

/* ═══════════════════════════════════════════════════════════ BLOG FEED GRID */
.blog-feed-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 56px;
}

/* Card destacada (primer artículo) ocupa 2 columnas */
.blog-card--featured {
    grid-column: span 2;
}
.blog-card--featured .blog-card-title { font-size: 1.6rem; }

.blog-card {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-border);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), transform var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.blog-card-img-link { display: block; overflow: hidden; }
.blog-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}
.blog-card--featured .blog-card-img { height: 280px; }
.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.04); }

.blog-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.blog-card-date {
    font-size: .78rem;
    color: var(--clr-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.blog-card-title {
    font-size: 1.15rem;
    line-height: 1.3;
    color: var(--clr-primary);
    transition: color var(--transition);
}
.blog-card-title a { color: inherit; }
.blog-card-title a:hover { color: var(--clr-accent); }

.blog-card-summary {
    font-size: .92rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--clr-accent);
    font-size: .88rem;
    font-weight: 600;
    margin-top: 4px;
    transition: gap var(--transition);
}
.blog-card-read-more:hover { gap: 10px; }

/* Paginación */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--clr-border);
}
.blog-pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 8px;
    background: var(--clr-white);
    border: 1.5px solid var(--clr-border);
    color: var(--clr-primary);
    font-weight: 600;
    font-size: .9rem;
    transition: border-color var(--transition), color var(--transition);
}
.blog-pagination-btn:hover { border-color: var(--clr-accent); color: var(--clr-accent); }
.blog-pagination-info { color: var(--clr-text-muted); font-size: .9rem; }

/* ═══════════════════════════════════════════════════════════ ARTÍCULO DETALLE */
.container--narrow { max-width: 760px; margin-inline: auto; padding-inline: 24px; }
.container--wide   { max-width: 1100px; margin-inline: auto; padding-inline: 24px; }

.articulo-wrap { padding-bottom: 80px; }

.articulo-header {
    background: var(--clr-primary);
    padding: 60px 0 48px;
    text-align: center;
}
.articulo-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--clr-accent);
    font-size: .88rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.articulo-back:hover { text-decoration: underline; }
.articulo-date {
    display: block;
    font-size: .8rem;
    color: rgba(255,255,255,.5);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 12px;
}
.articulo-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    color: var(--clr-white);
    line-height: 1.25;
    margin-bottom: 16px;
}
.articulo-summary {
    font-size: 1.05rem;
    color: rgba(255,255,255,.65);
    max-width: 600px;
    margin: 0 auto 16px;
}
.articulo-meta {
    font-size: .85rem;
    color: rgba(255,255,255,.45);
}
.articulo-portada {
    margin: 0;
    background: var(--clr-subtle);
}
.articulo-portada img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: 0;
}

.articulo-content-wrap { padding: 56px 0; }
.articulo-content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--clr-text);
}
.articulo-content h1, .articulo-content h2, .articulo-content h3 {
    margin: 1.6em 0 .6em;
    line-height: 1.3;
    color: var(--clr-primary);
}
.articulo-content h2 { font-size: 1.5rem; }
.articulo-content h3 { font-size: 1.2rem; }
.articulo-content p  { margin-bottom: 1.2em; }
.articulo-content ul, .articulo-content ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.articulo-content li { margin-bottom: .4em; }
.articulo-content blockquote {
    border-left: 4px solid var(--clr-accent);
    margin: 1.5em 0;
    padding: .8em 1.2em;
    background: rgba(110,200,184,.06);
    border-radius: 0 6px 6px 0;
    font-style: italic;
    color: var(--clr-text-muted);
}
.articulo-content a { color: var(--clr-accent); text-decoration: underline; }
.articulo-content a:hover { color: var(--clr-accent-dark); }
.articulo-content img { border-radius: var(--radius); margin: 1.5em 0; }
.articulo-content code {
    background: var(--clr-subtle);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: .9em;
}
.articulo-content pre {
    background: var(--clr-primary);
    color: #d4d4d4;
    padding: 1em 1.2em;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 1.5em 0;
}
.articulo-content pre code { background: none; padding: 0; color: inherit; }

/* ═══════════════════════════════════════════════════════════ COMENTARIOS */
.comentarios-section {
    background: var(--clr-subtle);
    padding: 60px 0 80px;
    border-top: 1px solid var(--clr-border);
}

.comentarios-title {
    font-size: 1.4rem;
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--clr-border);
}

.comentario-flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: .92rem;
}
.comentario-flash--ok  { background: rgba(110,200,184,.12); color: var(--clr-accent-dark); border: 1px solid rgba(110,200,184,.3); }
.comentario-flash--err { background: rgba(220,60,60,.07);   color: #b91c1c;                border: 1px solid rgba(220,60,60,.2); }

.comentarios-lista { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.comentario-item {
    display: flex;
    gap: 16px;
    background: var(--clr-white);
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--clr-border);
}
.comentario-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--clr-accent);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.comentario-body { flex: 1; }
.comentario-meta { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.comentario-autor { font-size: .95rem; color: var(--clr-primary); }
.comentario-fecha { font-size: .78rem; color: var(--clr-text-muted); }
.comentario-texto { font-size: .93rem; line-height: 1.65; color: var(--clr-text); }
.comentarios-empty { color: var(--clr-text-muted); font-style: italic; margin-bottom: 32px; }

/* Formulario comentario */
.comentario-form-wrap {
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--clr-border);
}
.comentario-form-title {
    font-size: 1.1rem;
    color: var(--clr-primary);
    margin-bottom: 24px;
}
.comentario-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}
.comentario-field { display: flex; flex-direction: column; gap: 6px; }
.comentario-field--full { grid-column: 1/-1; }
.comentario-field label { font-size: .85rem; font-weight: 600; color: var(--clr-primary); }
.comentario-field small { font-size: .78rem; color: var(--clr-text-muted); }
.comentario-input {
    font-family: var(--font);
    font-size: .93rem;
    padding: 10px 14px;
    border: 1.5px solid var(--clr-border);
    border-radius: 8px;
    color: var(--clr-text);
    background: var(--clr-bg);
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}
.comentario-input:focus { border-color: var(--clr-accent); }
.comentario-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 28px;
    background: var(--clr-accent);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: .95rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.comentario-submit:hover { background: var(--clr-accent-dark); transform: translateY(-1px); }
.req { color: var(--clr-accent); }

/* ═══════════════════════════════════════════════════════════ BUSCADOR */
.buscador-hero {
    background: var(--clr-primary);
    padding: 72px 0 52px;
    text-align: center;
}
.buscador-hero-inner { max-width: 640px; margin: 0 auto; }
.buscador-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--clr-white);
    margin-bottom: 28px;
}
.buscador-title span { color: var(--clr-accent); }

.buscador-form {
    display: flex;
    border: 1.5px solid rgba(255,255,255,.2);
    border-radius: 10px;
    overflow: hidden;
    transition: border-color var(--transition);
}
.buscador-form:focus-within { border-color: var(--clr-accent); }
.buscador-input {
    flex: 1;
    padding: 14px 18px;
    background: rgba(255,255,255,.07);
    color: var(--clr-white);
    font-family: var(--font);
    font-size: 1rem;
    border: none;
    outline: none;
}
.buscador-input::placeholder { color: rgba(255,255,255,.35); }
.buscador-btn {
    padding: 14px 24px;
    background: var(--clr-accent);
    color: var(--clr-primary);
    font-weight: 700;
    font-size: .95rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background var(--transition);
}
.buscador-btn:hover { background: var(--clr-accent-dark); }

.buscador-count {
    color: var(--clr-text-muted);
    font-size: .9rem;
    margin-bottom: 24px;
}

.buscador-hint, .buscador-empty {
    text-align: center;
    padding: 64px 0;
    color: var(--clr-text-muted);
}
.buscador-empty { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.buscador-empty svg { opacity: .3; }

.buscador-results { display: flex; flex-direction: column; gap: 16px; }
.buscador-result-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.buscador-result-item:hover {
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}
.buscador-result-img {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}
.buscador-result-img img { width: 100%; height: 100%; object-fit: cover; }
.buscador-result-body { flex: 1; min-width: 0; }
.buscador-result-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.buscador-result-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--clr-primary);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.buscador-result-desc {
    font-size: .88rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.buscador-result-arrow {
    color: var(--clr-text-muted);
    flex-shrink: 0;
    transition: color var(--transition), transform var(--transition);
}
.buscador-result-item:hover .buscador-result-arrow {
    color: var(--clr-accent);
    transform: translateX(3px);
}

/* Badges adicionales para el buscador */
.badge-info  { background: rgba(59,130,246,.12);  color: #1d4ed8; }
.badge-brand { background: rgba(209,204,201,.2);   color: #6b6b6b; }

/* ═══════════════════════════════════════════════════════════ E3 RESPONSIVE */
@media (max-width: 900px) {
    .blog-feed-grid {
        grid-template-columns: 1fr 1fr;
    }
    .blog-card--featured { grid-column: span 2; }
}

@media (max-width: 640px) {
    .blog-feed-grid {
        grid-template-columns: 1fr;
    }
    .blog-card--featured { grid-column: span 1; }
    .comentario-form-grid { grid-template-columns: 1fr; }
    .buscador-result-img { display: none; }
}

.footer-social svg { width: 16px; height: 16px; }

.footer-col-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--clr-brand);
    margin-bottom: 18px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col li a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: .88rem;
    color: rgba(209,204,201,.55);
    transition: color var(--transition);
}

.footer-col li a:hover { color: var(--clr-accent); }
.footer-col li a svg  { flex-shrink: 0; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.07);
}

.footer-bottom-inner {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
    padding-block: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: .82rem;
    color: rgba(209,204,201,.35);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a { transition: color var(--transition); }
.footer-legal a:hover { color: var(--clr-accent); }

/* ══════════════════════════════════════════════════════════════════ TOASTS */
.pub-toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    padding: 14px 28px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    transition: opacity .6s ease;
    white-space: nowrap;
    max-width: 90vw;
    text-align: center;
}

.pub-toast-ok  { background: var(--clr-accent);  color: var(--clr-primary); }
.pub-toast-err { background: #E54B4B; color: #fff; }

/* ═════════════════════════════════════════════════════════════ RESPONSIVE */
@media (max-width: 1024px) {
    :root { --section-py: 72px; }

    .about-layout    { grid-template-columns: 1fr; gap: 48px; }
    .contact-layout  { grid-template-columns: 1fr; gap: 40px; }
    .footer-inner    { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    :root { --section-py: 56px; }

    /* Nav mobile */
    .nav-toggle { display: flex; }

    .site-nav {
        display: none;
        position: fixed;
        inset: var(--header-h) 0 0 0;
        background: var(--clr-primary);
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
        padding: 16px 20px;
        overflow-y: auto;
        z-index: 999;
    }

    .site-nav.open { display: flex; }

    .nav-link {
        width: 100%;
        font-size: 15px;
        padding: 12px 14px;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 8px;
        width: 100%;
        justify-content: center;
    }

    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: .95rem; }

    .services-grid { grid-template-columns: 1fr; }
    .cases-grid    { grid-template-columns: 1fr; }
    .tech-groups   { grid-template-columns: 1fr 1fr; }
    .about-stats   { grid-template-columns: 1fr 1fr; }

    .contact-row   { grid-template-columns: 1fr; }
    .footer-inner  { grid-template-columns: 1fr; gap: 32px; }

    .footer-bottom-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .industry-item   { padding: 28px 16px; }
    .tech-groups     { grid-template-columns: 1fr; }
    .about-stats     { grid-template-columns: 1fr 1fr; }
}