/* =============================================
   SKYAUTOMATE — Estilos v0.2.0
   Modo dual: dark (default) + light (toggle)
   ============================================= */

:root {
    /* === BASE (DARK por default) === */
    --bg-pure: #000000;
    --bg-base: #0A0A0A;
    --bg-surface: #111111;
    --bg-surface-hover: #1A1A1A;
    --bg-surface-elevated: #161616;

    /* === TEXT === */
    --text-primary: #EDEDED;
    --text-secondary: #A1A1AA;
    --text-tertiary: #71717A;

    /* === BORDERS === */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(255, 255, 255, 0.2);

    /* === SKY (azul del logo) === */
    --sky: #3B82F6;
    --sky-glow: #60A5FA;
    --sky-deep: #1E40AF;
    --sky-soft: rgba(59, 130, 246, 0.15);
    --sky-softer: rgba(59, 130, 246, 0.08);

    /* === AUTOMATE (verde del logo) === */
    --automate: #10B981;
    --automate-glow: #34D399;
    --automate-deep: #047857;
    --automate-soft: rgba(16, 185, 129, 0.15);

    /* === SHADOWS === */
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* === FONTS === */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* === MODO CLARO (override) === */
body.light-theme {
    --bg-pure: #FFFFFF;
    --bg-base: #FAFAFA;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F4F4F5;
    --bg-surface-elevated: #FFFFFF;

    --text-primary: #18181B;
    --text-secondary: #52525B;
    --text-tertiary: #71717A;

    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-focus: rgba(0, 0, 0, 0.2);

    --sky-soft: rgba(59, 130, 246, 0.10);
    --sky-softer: rgba(59, 130, 246, 0.05);
    --automate-soft: rgba(16, 185, 129, 0.10);

    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.10);
}

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

body {
    background-color: var(--bg-pure);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* === FOCUS VISIBLE (a11y crítico) === */
:focus-visible {
    outline: 2px solid var(--sky);
    outline-offset: 3px;
    border-radius: 4px;
}

.btn:focus-visible,
.nav-link:focus-visible,
.logo:focus-visible,
.theme-toggle:focus-visible {
    outline: 2px solid var(--sky-glow);
    outline-offset: 4px;
}

.form-input:focus-visible,
.tab:focus-visible {
    outline: 2px solid var(--sky);
    outline-offset: 0;
    border-color: var(--sky);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.mono-text {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.text-accent-sky {
    color: var(--sky-glow);
    text-shadow: 0 0 24px var(--sky-soft);
}

body.light-theme .text-accent-sky {
    text-shadow: none;
}

.text-automate {
    color: var(--automate);
}

.prompt {
    color: var(--sky);
    margin-right: 0.5rem;
}

/* === ACCESSIBILITY HELPER === */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === LAYOUT === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    background: none;
    color: inherit;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--sky);
    color: #FFFFFF;
    border: 1px solid var(--sky);
}

body.light-theme .btn-primary {
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--sky-glow);
    border-color: var(--sky-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--sky);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* === LINKS === */
a {
    color: var(--sky-glow);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid transparent;
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

body.light-theme .navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
}

.nav-container {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-icon {
    color: var(--sky);
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* === THEME TOGGLE === */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    color: var(--sky-glow);
    border-color: var(--sky);
    background-color: var(--bg-surface-hover);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

body.light-theme .theme-toggle .icon-sun {
    display: block;
}

body.light-theme .theme-toggle .icon-moon {
    display: none;
}

/* === LANG SWITCHER === */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 0.25rem 0.5rem;
    background-color: var(--bg-surface);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: inherit;
    font-weight: 500;
    padding: 0.25rem 0.4rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

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

.lang-btn.active {
    color: var(--sky-glow);
    background-color: var(--sky-softer);
    cursor: default;
}

.lang-sep {
    color: var(--text-tertiary);
    user-select: none;
}

/* === FEATURED NAV LINK (eLU) === */
.nav-link-featured {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--sky-glow);
    font-weight: 600;
}

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

.nav-link-featured-badge {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    background: var(--sky-softer);
    color: var(--sky-glow);
    border: 1px solid var(--sky);
    border-radius: 3px;
    padding: 0.1rem 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

body.light-theme .nav-link-featured-badge {
    background: rgba(59, 130, 246, 0.1);
}

/* === HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--sky-soft) 0%, transparent 60%);
    opacity: 0.6;
    z-index: -1;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--automate-soft) 0%, transparent 60%);
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.overline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.overline i {
    color: var(--sky);
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* === DIAGRAMA (intocable según JLCR) === */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.diagram-container {
    position: relative;
    width: 400px;
    height: 400px;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.02) 0%, transparent 70%);
}

body.light-theme .diagram-container {
    background: radial-gradient(circle, rgba(0, 0, 0, 0.02) 0%, transparent 70%);
}

.node {
    position: absolute;
    width: 48px;
    height: 48px;
    background: var(--bg-surface);
    border: 1px solid var(--border-focus);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    z-index: 10;
}

.central-node {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--bg-pure);
    border-color: var(--sky);
    color: var(--sky-glow);
}

.glow-sky {
    border-color: var(--sky);
    color: var(--sky-glow);
    box-shadow: 0 0 18px var(--sky-soft);
}

.glow-automate {
    border-color: var(--automate);
    color: var(--automate-glow);
    box-shadow: 0 0 18px var(--automate-soft);
}

.node-1 {
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
}

.node-2 {
    top: 10px;
    right: 30px;
}

.node-3 {
    bottom: 10px;
    right: 30px;
}

.connections {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.line {
    fill: none;
    stroke: var(--border-subtle);
    stroke-width: 1;
    stroke-dasharray: 4 4;
}

.line-1 {
    stroke: var(--sky);
    opacity: 0.5;
}

.line-2 {
    stroke: var(--sky);
    opacity: 0.4;
}

.line-3 {
    stroke: var(--sky);
    opacity: 0.4;
}

.data-packet {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--sky-glow);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--sky);
    offset-path: path("M 0,200 Q 100,200 200,200");
    animation: flow 3s infinite linear;
}

.packet-1 {
    offset-path: path("M 200,200 Q 100,200 30,200");
    animation-delay: 0s;
}

.packet-2 {
    offset-path: path("M 200,200 Q 270,100 370,100");
    background: var(--sky-glow);
    animation-delay: 1s;
}

.packet-3 {
    offset-path: path("M 200,200 Q 270,300 370,300");
    background: var(--automate-glow);
    box-shadow: 0 0 10px var(--automate);
    animation-delay: 2s;
}

@keyframes flow {
    0% { offset-distance: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { offset-distance: 100%; opacity: 0; }
}

/* === STACK === */
.stack-section {
    padding: 4rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.stack-label {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
}

.stack-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.stack-item {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.stack-item:hover {
    color: var(--text-primary);
    border-color: var(--sky);
}

/* === SECTIONS === */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* === TABS (Servicios) === */
.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--sky-glow);
    border-bottom-color: var(--sky);
}

.tab-panels {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* === BENTO GRID === */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sky-soft), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bento-card:hover {
    border-color: var(--border-focus);
    background-color: var(--bg-surface-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-elevated);
}

.bento-card:hover::before {
    opacity: 1;
}

.card-large {
    grid-column: span 2;
}

.card-wide {
    grid-column: span 2;
}

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sky-soft);
    border-radius: 8px;
    color: var(--sky-glow);
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.card-header .card-icon {
    margin-bottom: 0;
}

.bento-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.bento-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.wireframe-mini {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.wf-box {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    color: var(--text-secondary);
}

.wf-box.active {
    border-color: var(--sky);
    color: var(--sky-glow);
    background: var(--sky-softer);
}

.wf-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-subtle), var(--sky), var(--border-subtle));
    opacity: 0.6;
}

.services-footer {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

/* === QUIENES SOMOS === */
.about-section {
    background-color: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.stat-num {
    font-family: var(--font-mono);
    font-size: 2rem;
    color: var(--sky);
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.stat-num.automate { color: var(--automate); }

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === VISION / MISION / VALORES === */
.vmv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.vmv-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    position: relative;
}

.vmv-card:hover {
    border-color: var(--sky);
    background-color: var(--bg-surface-hover);
    transform: translateY(-2px);
}

.vmv-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.vmv-icon.sky {
    background: var(--sky-soft);
    color: var(--sky-glow);
}

.vmv-icon.automate {
    background: var(--automate-soft);
    color: var(--automate-glow);
}

.vmv-icon.muted {
    background: var(--bg-surface-hover);
    color: var(--text-secondary);
}

.vmv-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.vmv-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

.values-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.values-list li {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.5;
    padding-left: 1.25rem;
    position: relative;
}

.values-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--sky);
    font-weight: 600;
}

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

/* === PROCESO === */
.process-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    counter-reset: step;
}

.process-step {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.process-step:hover {
    border-color: var(--sky);
    background-color: var(--bg-surface-hover);
    transform: translateY(-2px);
}

.step-num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--sky);
    background: var(--sky-softer);
    border: 1px solid var(--sky);
    border-radius: 4px;
    padding: 0.3rem 0.6rem;
    display: inline-block;
    margin-bottom: 1rem;
}

.process-step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* === CONTACTO === */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-card);
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-input {
    background-color: var(--bg-base);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:hover {
    border-color: var(--border-focus);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--automate);
    min-height: 1.2em;
    margin: 0;
}

.form-status.error {
    color: #F87171;
}

.contact-side {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 2;
    box-shadow: var(--shadow-card);
}

.contact-side-label {
    color: var(--sky);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.contact-side-line {
    margin: 0.5rem 0;
}

/* === FOOTER === */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 2.5rem 0;
    margin-top: 4rem;
}

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

.footer-brand p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.footer-meta {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* === SOCIALS SECTION === */
.socials-section {
    background-color: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
}

.socials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.social-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.social-card:hover {
    border-color: var(--sky);
    background-color: var(--bg-surface-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
    color: var(--text-primary);
}

.social-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.social-icon i {
    width: 28px;
    height: 28px;
}

.social-icon-sky {
    background: var(--sky-soft);
    color: var(--sky-glow);
}

.social-icon-automate {
    background: var(--automate-soft);
    color: var(--automate-glow);
}

.social-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.social-handle {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--sky-glow);
    margin: 0;
    word-break: break-all;
}

.social-desc {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.4;
}

.socials-note {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-style: italic;
}

@media (max-width: 968px) {
    .socials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .socials-grid {
        grid-template-columns: 1fr;
    }
}

/* === RESPONSIVE === */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        height: 350px;
    }

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

    .card-large, .card-wide {
        grid-column: span 1;
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 640px) {
    .container {
        padding: 0 1.25rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        display: none;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .tabs {
        gap: 0;
        justify-content: stretch;
    }

    .tab {
        flex: 1;
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
        text-align: center;
    }
}

/* === MOTION === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* === SUB-PAGE HERO (sub-páginas) === */
.subpage-hero {
    padding: 10rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.subpage-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(circle, var(--sky-soft) 0%, transparent 60%);
    opacity: 0.5;
    z-index: -1;
    pointer-events: none;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    transition: color 0.2s ease;
}

.breadcrumb:hover {
    color: var(--sky-glow);
}

/* === TAB PANEL FOOTER (link "Ver detalle" en cada tab) === */
.tab-panel-footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

/* === CTA SECTION (final de sub-página) === */
.cta-section {
    background-color: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
}

.cta-card {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-elevated);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--sky), transparent);
    opacity: 0.6;
}

.cta-card .section-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 1rem;
}

.cta-card .section-desc {
    margin-bottom: 2rem;
}

@media (max-width: 640px) {
    .subpage-hero {
        padding: 8rem 0 3rem;
    }

    .cta-card {
        padding: 2rem 1.5rem;
    }
}