/* ==========================================================================
   Esteche Sistemas — Nueva identidad visual
   ========================================================================== */

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f4f8fc;
    --color-bg-dark: #0a1628;
    --color-bg-dark-2: #0d1b30;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-muted: #9ca3af;
    --color-primary: #00a8ff;
    --color-primary-dark: #0088cc;
    --color-primary-soft: rgba(0, 168, 255, 0.12);
    --color-accent: #00d4aa;
    --color-white: #ffffff;
    --color-border: #e5e7eb;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 30px rgba(0, 168, 255, 0.18);
    --max-width: 1200px;
    --header-height: 80px;
}

/* Reset & Base
   ========================================================================== */
html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1rem);
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1, h2, h3, h4, p {
    margin: 0;
}

/* Container
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    font-weight: 700;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header--center {
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-header--center h2 {
    color: var(--color-text);
}

.section-lead {
    font-size: 1.15rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.05rem;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(0, 168, 255, 0.35);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 168, 255, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Header
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 44px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.6rem 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
}

.nav-menu > li > a:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.nav-menu > li > a i {
    font-size: 0.7rem;
    opacity: 0.7;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s ease;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: 0.7rem 1rem;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

.dropdown li a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary-dark);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: 0.4rem 0.75rem;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero
   ========================================================================== */
.hero {
    position: relative;
    padding: calc(var(--header-height) + 5rem) 0 6rem;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #0d2242 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    bottom: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.14) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.7;
    margin-bottom: 2rem;
    max-width: 560px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.trust-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.trust-bar div {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.trust-bar i {
    color: var(--color-accent);
}

.trust-bar strong {
    color: var(--color-white);
}

/* Hero visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-link {
    display: block;
}

.video-circle {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(0, 168, 255, 0.4);
    box-shadow: var(--shadow-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-circle:hover {
    transform: scale(1.04);
    box-shadow: 0 0 50px rgba(0, 168, 255, 0.28);
}

.video-circle video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, transparent 30%, rgba(10, 22, 40, 0.75) 100%);
    text-align: center;
}

.video-overlay img {
    width: 90px;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.4));
    margin-bottom: 0.5rem;
}

.video-overlay span {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.05em;
}

/* Problem section
   ========================================================================== */
.problem {
    padding: 5rem 0;
    background: var(--color-bg);
}

/* Solutions
   ========================================================================== */
.solutions {
    padding: 5rem 0;
    background: var(--color-bg-alt);
}

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

.solution-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.solution-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-soft);
    border-radius: var(--radius);
}

.solution-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.solution-icon--alt {
    font-size: 1.6rem;
    color: var(--color-primary-dark);
}

.solution-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.solution-card p {
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    line-height: 1.6;
    flex-grow: 1;
}

.solution-card ul {
    margin-bottom: 1.5rem;
}

.solution-card ul li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 0.95rem;
}

.solution-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.solution-card .btn {
    align-self: flex-start;
}

/* Audience
   ========================================================================== */
.audience {
    padding: 5rem 0;
    background: var(--color-bg-dark);
    color: var(--color-white);
}

.audience .section-header h2,
.audience .eyebrow {
    color: var(--color-white);
}

.audience .eyebrow {
    color: var(--color-primary);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.audience-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.audience-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(0, 168, 255, 0.35);
}

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

.audience-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.audience-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.55;
}

/* How it works
   ========================================================================== */
.how-it-works {
    padding: 5rem 0;
    background: var(--color-bg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step {
    position: relative;
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
    box-shadow: 0 6px 16px rgba(0, 168, 255, 0.35);
}

.step h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.step p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* Trust
   ========================================================================== */
.trust {
    padding: 5rem 0;
    background: var(--color-bg-alt);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.trust-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.trust-item:hover {
    transform: translateY(-4px);
}

.trust-item i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.trust-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.trust-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.55;
}

.testimonial {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
}

.testimonial blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.testimonial cite {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-style: normal;
    font-weight: 500;
}

/* CTA Final
   ========================================================================== */
.cta-final {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #0d2242 100%);
    color: var(--color-white);
}

.cta-final-inner {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.cta-final h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-final p {
    color: rgba(255, 255, 255, 0.75);
}

.cta-final-inner > p:first-of-type {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.lead-form {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: left;
    backdrop-filter: blur(8px);
}

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

.lead-form input,
.lead-form select,
.lead-form textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.lead-form input::placeholder,
.lead-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.lead-form select {
    color: rgba(255, 255, 255, 0.8);
}

.lead-form select option {
    color: var(--color-text);
}

.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.12);
}

.lead-form textarea {
    margin-bottom: 1rem;
    resize: vertical;
}

.lead-form .btn {
    width: 100%;
}

.cta-note {
    margin-top: 1.25rem;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.95rem;
}

.cta-note a {
    color: var(--color-accent);
    font-weight: 600;
}

/* Footer
   ========================================================================== */
.site-footer {
    background: var(--color-bg-dark-2);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 280px;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-col li {
    margin-bottom: 0.6rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Floating WhatsApp
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #25d366;
    color: var(--color-white);
    padding: 0.85rem 1.25rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    font-size: 1.4rem;
}

/* Modal Ayuda en Línea
   ========================================================================== */
.modal-ayuda {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-ayuda-contenido {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 480px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-lg);
    color: var(--color-text);
}

.modal-ayuda-contenido h3 {
    margin: 0 0 0.8rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
}

.modal-ayuda-contenido p {
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
    color: #444;
}

.modal-ayuda-contenido ol {
    padding-left: 1.3rem;
    margin-bottom: 1rem;
}

.modal-ayuda-contenido ol li {
    margin-bottom: 0.45rem;
    font-size: 0.9rem;
    color: #444;
}

.modal-ayuda-nota {
    font-size: 0.82rem !important;
    color: #555 !important;
    background: var(--color-bg-alt);
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 1.2rem !important;
}

.modal-ayuda-cerrar {
    position: absolute;
    top: 0.8rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    color: #bbb;
    padding: 0;
}

.modal-ayuda-cerrar:hover {
    color: #555;
}

.btn-ayuda-descargar {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--color-primary);
    color: #fff;
    padding: 0.65rem 1.3rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-ayuda-descargar:hover {
    background: var(--color-primary-dark);
}

/* Navegación móvil inferior (sin hamburguesa)
   ========================================================================== */
.mobile-bottom-nav {
    display: none;
}

/* Sistemas anteriores (legacy)
   ========================================================================== */
.legacy {
    padding: 2.5rem 0;
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
}

.legacy-inner {
    text-align: center;
}

.legacy-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.legacy-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.legacy-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    padding: 0.65rem 1.1rem;
    border: 1.5px solid var(--color-primary);
    border-radius: 50px;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease;
}

.legacy-links a::after {
    content: '↗';
    font-size: 0.75rem;
    opacity: 0.7;
}

.legacy-links a:hover {
    color: var(--color-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 168, 255, 0.25);
}

.legacy-pricing {
    display: inline-block;
    text-align: left;
}

.legacy-pricing summary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    padding: 0.65rem 1.1rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: 0 4px 12px rgba(0, 168, 255, 0.3);
    list-style: none;
    user-select: none;
    transition: all 0.25s ease;
}

.legacy-pricing summary::-webkit-details-marker {
    display: none;
}

.legacy-pricing summary::before {
    content: '▸ ';
}

.legacy-pricing[open] summary::before {
    content: '▾ ';
}

.legacy-pricing summary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 168, 255, 0.4);
}

.legacy-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.35rem 1rem;
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.legacy-price {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.82rem;
    padding: 0.25rem 0;
    border-bottom: 1px dotted var(--color-border);
}

.legacy-price span:first-child {
    color: var(--color-text-light);
}

.legacy-price span:last-child {
    color: var(--color-text);
    font-weight: 600;
}

.legacy-pricing-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0.5rem 0 0;
    text-align: center;
    font-style: italic;
}

/* Responsive
   ========================================================================== */
@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta,
    .trust-bar {
        justify-content: center;
    }

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

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

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

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

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

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }

    body {
        padding-bottom: 64px;
    }

    .nav-toggle {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1000;
        height: 64px;
        background: rgba(10, 22, 40, 0.98);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(12px);
    }

    .bottom-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.25rem;
        color: rgba(255, 255, 255, 0.7);
        font-family: var(--font-heading);
        font-size: 0.65rem;
        font-weight: 500;
        text-decoration: none;
        transition: color 0.2s, background 0.2s;
    }

    .bottom-nav-item i {
        font-size: 1.15rem;
    }

    .bottom-nav-item:hover,
    .bottom-nav-item:focus {
        color: var(--color-white);
        background: rgba(255, 255, 255, 0.06);
    }

    .bottom-nav-item--cta {
        color: #25d366;
    }

    .bottom-nav-item--cta:hover,
    .bottom-nav-item--cta:focus {
        color: #34e37a;
        background: rgba(37, 211, 102, 0.1);
    }

    .hero {
        padding: calc(var(--header-height) + 3rem) 0 4rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

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

    .video-circle {
        width: 220px;
        height: 220px;
    }

    .trust-bar {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .audience-grid,
    .steps,
    .trust-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .whatsapp-float {
        bottom: calc(64px + 1rem);
        padding: 0.85rem;
        border-radius: 50%;
    }

    .whatsapp-float span {
        display: none;
    }
}

/* Clientes / Logos
   ========================================================================== */
.clients {
    padding: 5rem 0;
    background: var(--color-bg);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2.5rem;
    align-items: center;
    justify-items: center;
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 90px;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    width: 100%;
    box-shadow: var(--shadow-sm);
}

.client-logo img {
    max-height: 60px;
    max-width: 140px;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.85;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.client-logo:hover img {
    opacity: 1;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .client-logo {
        height: 80px;
    }

    .client-logo img {
        max-height: 55px;
        max-width: 120px;
    }
}