/* ═══════════════════════════════════════════════════════════════
   Hachi — landing compartida ES/EN
   Sistema de diseño: oscuro, sobrio, un solo acento.
   Tipografía Inter auto-hospedada. Sin glows ni gradientes de texto.
   ═══════════════════════════════════════════════════════════════ */

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inter';
    src: url('/assets/fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --surface-2: #17171f;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --text: #E5E7EB;
    --text-muted: #9CA3AF;
    --accent: #8B5CF6;
    --accent-soft: rgba(139, 92, 246, 0.12);
    --accent-border: rgba(139, 92, 246, 0.35);
    --cyan: #06B6D4;
    --ok: #34D399;
    --radius: 16px;
    --radius-sm: 10px;
    --gradient: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
    --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: rgba(139, 92, 246, 0.4);
}

/* Fondo estático sutil (reemplaza a las partículas animadas) */
.mesh-gradient {
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(at 20% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 55%),
        radial-gradient(at 85% 15%, rgba(6, 182, 212, 0.05) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(139, 92, 246, 0.06) 0px, transparent 60%);
}

/* ═══════════════ Header / Nav ═══════════════ */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 2rem;
}

.logo-nav {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex-shrink: 0;
    text-decoration: none;
}

.logo-nav svg {
    width: 38px;
    height: 38px;
}

.logo-word {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.nav-links {
    display: flex;
    gap: 1.4rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--text);
}

.lang-selector {
    display: flex;
    gap: 0.25rem;
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--border-strong);
}

.lang-selector a {
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
    font-size: 0.8rem;
}

.lang-selector a.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.nav-auth-buttons {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-shrink: 0;
}

.nav-login-btn {
    color: var(--text);
    text-decoration: none;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.88rem;
    border: 1px solid var(--border-strong);
    transition: border-color 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

.nav-login-btn:hover {
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

.nav-signup-btn {
    padding: 0.45rem 1.1rem;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
    transition: filter 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.nav-signup-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Botón hamburguesa (oculto en desktop) */
.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1.2rem;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
}

/* ═══════════════ Hero ═══════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-content {
    max-width: 860px;
    z-index: 10;
}

.hero-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    padding: 0.35rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.4rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    line-height: 1.8;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero .subtitle strong {
    color: var(--text);
    font-weight: 600;
}

.hero .hero-meta {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero .hero-meta strong {
    color: var(--text);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ═══════════════ Botones ═══════════════ */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 2.1rem;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font);
    transition: filter 0.2s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    filter: brightness(1.12);
    transform: translateY(-2px);
}

.cta-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

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

.cta-secondary:hover {
    border-color: var(--accent-border);
    background: var(--accent-soft);
    filter: none;
}

/* ═══════════════ Secciones ═══════════════ */
.section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section h2 {
    font-size: 2.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle strong {
    color: var(--text);
}

/* ═══════════════ Multi-agente / tarjetas ═══════════════ */
.multi-agent-hero {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 4rem;
    text-align: center;
    margin: 4rem 0;
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    margin: 4rem 0;
}

.agent-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid var(--border);
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.agent-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
}

.agent-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.agent-icon {
    font-size: 1.4rem;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    flex-shrink: 0;
}

.agent-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.agent-tag {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.agent-features {
    list-style: none;
    margin-top: 1.25rem;
}

.agent-features li {
    padding: 0.6rem 0 0.6rem 1.9rem;
    position: relative;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.agent-features li:last-child {
    border-bottom: none;
}

.agent-features li::before {
    content: "\f058"; /* fa-check-circle */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0.65rem;
    color: var(--accent);
    font-size: 0.95rem;
}

/* ═══════════════ Características técnicas ═══════════════ */
.tech-features {
    background: var(--surface);
    border-radius: 24px;
    padding: 4rem;
    margin: 4rem 0;
    border: 1px solid var(--border);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.tech-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--surface-2);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.tech-item i {
    color: var(--accent) !important;
    font-size: 1.5rem !important;
    margin-top: 0.25rem;
}

.tech-item h4 {
    color: var(--text);
    margin-bottom: 0.4rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.tech-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ═══════════════ Beneficios ═══════════════ */
.benefits-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 4rem;
    margin: 4rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: var(--radius);
    text-align: center;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
}

.benefit-card i {
    font-size: 2rem;
    color: var(--cyan);
    margin-bottom: 1rem;
}

.benefit-card h4 {
    color: var(--text);
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ═══════════════ Integración CRM ═══════════════ */
.crm-integration {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 4rem;
    margin: 4rem 0;
    text-align: center;
}

.integration-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 3rem 0;
}

.flow-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.flow-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.7rem;
}

.flow-arrow {
    font-size: 1.6rem;
    color: var(--text-muted);
    align-self: center;
}

/* ═══════════════ Testimoniales ═══════════════ */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
    margin: 4rem 0;
}

.testimonial {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--cyan);
    border-radius: var(--radius);
    padding: 2rem;
    color: var(--text-muted);
}

.testimonial-author {
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 46px;
    height: 46px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

/* ═══════════════ Precios ═══════════════ */
.pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 4rem 0;
}

.pricing-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2.25rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: border-color 0.25s ease, transform 0.25s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border: 1px solid var(--accent);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.10) 0%, var(--surface) 45%);
}

.pricing-card.featured::before {
    content: 'RECOMENDADO';
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: #fff;
    padding: 0.3rem 1.1rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-border);
}

.price {
    font-size: 2.75rem;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 1.25rem 0;
}

.price-features {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0 2rem;
    flex: 1;
}

.price-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.price-features li::before {
    content: "\f00c"; /* fa-check */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--ok);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.price-features li:has(i.fa-times-circle)::before,
.price-features li.no-feature::before {
    content: "\f057"; /* fa-times-circle */
    color: var(--text-muted);
    opacity: 0.5;
}

/* ═══════════════ Tablas (comparativa niveles y precios) ═══════════════ */
.pricing-comparison {
    margin: 3rem 0 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 640px;
}

.pricing-table th,
.pricing-table td {
    padding: 0.9rem 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.pricing-table th {
    background: var(--surface-2);
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
}

.pricing-table th:first-child {
    text-align: left;
}

.pricing-table td:not(:first-child) {
    text-align: center;
}

.pricing-table th span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    margin-top: 0.2rem;
}

.pricing-table .feature-col {
    font-weight: 500;
    color: var(--text);
    width: 30%;
}

.pricing-table td.featured-col,
.pricing-table th.featured-col {
    background: var(--accent-soft);
    border-left: 1px solid var(--accent-border);
    border-right: 1px solid var(--accent-border);
}

.pricing-table th.featured-col {
    color: var(--accent);
}

.pricing-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.pricing-table tr:hover td.featured-col {
    background: rgba(139, 92, 246, 0.16);
}

.pricing-table .section-row td {
    background: var(--surface-2);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    padding: 0.6rem 1.2rem;
}

.feature-yes {
    color: var(--ok);
    font-weight: 600;
}

.feature-no {
    opacity: 0.4;
}

.feature-addon {
    color: var(--cyan);
    font-weight: 600;
}

/* ═══════════════ Stats ═══════════════ */
.stats-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    margin: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--accent);
    display: block;
    margin-bottom: 0.35rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ═══════════════ Footer CTA ═══════════════ */
.footer-cta {
    background: var(--surface);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 6rem 2rem;
}

/* ═══════════════ Sticky CTA ═══════════════ */
.sticky-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.sticky-cta.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.sticky-cta-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.4rem;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
    transition: filter 0.2s ease;
}

.sticky-cta-button:hover {
    filter: brightness(1.12);
}

/* ═══════════════ Formulario de contacto ═══════════════ */
.contact-form {
    max-width: 620px;
    margin: 2rem auto 0;
    padding: 2.5rem;
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
    text-align: left;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.45rem;
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text);
    text-align: left;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 1rem;
    font-family: var(--font);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group select option {
    background: var(--surface);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(156, 163, 175, 0.5);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-submit {
    width: 100%;
    padding: 1rem;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.form-submit:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ═══════════════ Animaciones (hooks del JS) ═══════════════ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.85; }
    50% { opacity: 1; }
}

.orbit {
    animation: rotate 14s linear infinite;
    transform-origin: center;
}

.neural-network {
    animation: pulse 4s infinite;
}

@media (prefers-reduced-motion: reduce) {
    .orbit,
    .neural-network {
        animation: none;
    }

    .fade-in,
    .slide-in-left,
    .slide-in-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ═══════════════ Responsive ═══════════════ */
@media (max-width: 1100px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }
}

@media (max-width: 1024px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(10, 10, 15, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem 2rem 1.5rem;
    }

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

    .nav-links li {
        padding: 0.6rem 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        font-size: 1rem;
        display: block;
    }

    .lang-selector {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 0.75rem;
    }

    .nav-auth-buttons {
        display: none;
    }

    .nav-auth-buttons.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        padding: 0 2rem 1.25rem;
        background: rgba(10, 10, 15, 0.98);
        transform: translateY(100%);
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    /* En móvil los botones de auth van dentro del menú desplegable */
    .nav-links.open ~ .nav-auth-buttons,
    .nav-auth-buttons.open {
        display: none;
    }

    .nav-links .mobile-auth {
        display: flex;
        gap: 0.75rem;
        padding-top: 1rem;
    }

    .nav-links .mobile-auth a {
        flex: 1;
        text-align: center;
    }
}

@media (min-width: 1025px) {
    .nav-links .mobile-auth {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Las entradas laterales desbordaban el viewport en móvil: solo fade vertical */
    .slide-in-left,
    .slide-in-right {
        transform: translateY(24px);
    }

    .slide-in-left.visible,
    .slide-in-right.visible {
        transform: translateY(0);
    }

    .hero {
        padding: 7rem 1.25rem 3rem;
    }

    .hero h1 {
        font-size: 2.1rem;
    }

    .hero .subtitle {
        font-size: 1.05rem;
    }

    .hero-logo {
        width: 90px;
        height: 90px;
    }

    .section {
        padding: 4rem 1.25rem;
    }

    .section h2 {
        font-size: 1.75rem;
    }

    .agents-grid,
    .pricing,
    .testimonials {
        grid-template-columns: 1fr;
    }

    .multi-agent-hero,
    .tech-features,
    .benefits-section,
    .crm-integration,
    .stats-section {
        padding: 2rem 1.25rem;
        border-radius: var(--radius);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-button {
        width: 100%;
    }

    .flow-arrow {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .sticky-cta {
        bottom: 1rem;
        right: 1rem;
    }

    .sticky-cta-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
}