/* ==========================================================================
   FIDAX SAS - ESTILOS CORPORATIVOS E IDENTIDAD VISUAL
   Variables, Reset, Estructura, Dashboard, Componentes y Adaptabilidad
   ========================================================================== */

/* 1. VARIABLES GLOBALES */
:root {
    --color-black: #0B0B0C;
    --color-dark-alt: #121316;
    --color-card-bg: #18191E;
    --color-card-border: #2A2C34;
    
    --color-gold-light: #E6CA65;
    --color-gold: #D4AF37;
    --color-gold-dark: #AA7C11;
    --color-gold-deep: #8B6508;
    
    --color-white: #FFFFFF;
    --color-offwhite: #F4F5F7;
    --color-gray-light: #E1E3E8;
    --color-gray-muted: #8E93A0;
    --color-gray-dark: #212328;

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --container-max-width: 1200px;
}

/* 2. RESET & GLOBAL */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-black);
    color: var(--color-gray-light);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

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

/* Tipografía de Jerarquía */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-white);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p {
    color: var(--color-gray-muted);
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* Textos Especiales */
.text-gold-gradient {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 50%, var(--color-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.gold-subtitle {
    display: inline-block;
    color: var(--color-gold);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.gold-link {
    color: var(--color-gold);
    font-weight: 600;
}

.gold-link:hover {
    color: var(--color-gold-light);
    text-decoration: underline;
}

.max-w-700 {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Botones */
.btn-gold {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    font-weight: 700;
    padding: 0.85rem 1.75rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
    transition: var(--transition-smooth);
    text-align: center;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--color-white);
    font-weight: 600;
    padding: 0.85rem 1.75rem;
    border-radius: 4px;
    border: 1px solid var(--color-card-border);
    transition: var(--transition-smooth);
    text-align: center;
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: rgba(212, 175, 55, 0.05);
}

.btn-large {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* Layout Helpers */
.section-padding {
    padding: 6rem 0;
}

.bg-dark-alt {
    background-color: var(--color-dark-alt);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
}

.align-center {
    align-items: center;
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-header.center {
    text-align: center;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 750px;
    margin-top: 0.5rem;
}

.section-header.center p {
    margin-left: auto;
    margin-right: auto;
}

/* 3. HEADER & NAVEGACIÓN */
.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 11, 12, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    width: 150px;
    height: auto;
}

.logo-svg {
    width: 100%;
    height: auto;
}

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

.nav-link {
    font-size: 0.9rem;
    color: var(--color-gray-light);
    font-weight: 500;
}

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

.nav-actions {
    display: flex;
    gap: 0.75rem;
    margin-left: 1rem;
}

.nav-actions .btn-outline,
.nav-actions .btn-gold {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.nav-toggle, .nav-toggle-label {
    display: none;
}

/* 4. HERO SECTION */
.hero-section {
    position: relative;
    padding-top: 11rem;
    padding-bottom: 6rem;
    overflow: hidden;
}

.hero-bg-patterns {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.bg-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
                      linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

.bg-glow {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, rgba(0,0,0,0) 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-dark-alt);
    border: 1px solid var(--color-card-border);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-gray-light);
    margin-bottom: 1.5rem;
}

.gold-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-gold);
    border-radius: 50%;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

/* Visual Hero UI Card */
.hero-visual {
    position: relative;
}

.hero-card-stack {
    position: relative;
}

.hero-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 1.75rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.hero-card-main {
    position: relative;
    z-index: 1;
}

.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.card-label {
    font-size: 0.75rem;
    color: var(--color-gray-muted);
    text-transform: uppercase;
}

.card-val {
    margin-bottom: 0;
    color: var(--color-white);
}

.status-pill {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
}

.status-pill.active {
    background: rgba(212, 175, 55, 0.15);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.chart-mockup {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    height: 120px;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px stroke var(--color-card-border);
}

.bar {
    flex: 1;
    background: var(--color-gray-dark);
    border-radius: 2px 2px 0 0;
    transition: var(--transition-smooth);
}

.bar-1 { height: 45%; }
.bar-2 { height: 60%; }
.bar-3 { height: 35%; }
.bar-4 { height: 80%; background: linear-gradient(to top, var(--color-gold-dark), var(--color-gold)); }
.bar-5 { height: 95%; background: linear-gradient(to top, var(--color-gold), var(--color-gold-light)); }

.card-footer-flex {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--color-gray-muted);
}

.hero-card-float {
    position: absolute;
    bottom: -20px;
    left: -30px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-dark-alt);
    border: 1px solid var(--color-gold);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.float-icon {
    color: var(--color-gold);
}

.float-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-white);
}

.float-sub {
    font-size: 0.75rem;
    color: var(--color-gray-muted);
}

/* 5. METRICAS / INDICADORES */
.metrics-section {
    padding: 3rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(18, 19, 22, 0.5);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.metric-card {
    text-align: left;
}

.metric-icon {
    color: var(--color-gold);
    margin-bottom: 0.75rem;
}

.metric-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.metric-card p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* 6. PROBLEMA */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.problem-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 6px;
    padding: 2rem;
    position: relative;
    transition: var(--transition-smooth);
}

.problem-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateY(-3px);
}

.prob-num {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.75rem;
    display: block;
}

.problem-card h4 {
    margin-bottom: 0.5rem;
}

.problem-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 7. PROPUESTA DE VALOR */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--color-dark-alt);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2.25rem;
    transition: var(--transition-smooth);
}

.value-card:hover {
    border-color: var(--color-gold);
}

.value-icon {
    color: var(--color-gold);
    margin-bottom: 1.25rem;
}

.value-card h3 {
    margin-bottom: 0.75rem;
}

.value-card p {
    font-size: 0.925rem;
    margin-bottom: 0;
}

/* 8. SOLUCIONES */
.solutions-wrapper {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.solution-item {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2rem;
}

.sol-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.feature-full {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--color-card-bg) 0%, rgba(212,175,55,0.05) 100%);
    border-color: rgba(212,175,55,0.3);
}

/* 9. TECNOLOGIA & DASHBOARD MOCKUP */
.tech-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tech-list {
    margin-top: 1.5rem;
}

.tech-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
    color: var(--color-gray-light);
}

.tech-list li::before {
    content: "■";
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-size: 0.75rem;
    top: 2px;
}

.dash-mockup-frame {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.6);
}

.dash-header {
    background: var(--color-dark-alt);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-card-border);
}

.dash-dots {
    display: flex;
    gap: 6px;
    margin-right: 1rem;
}

.dash-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-card-border);
}

.dash-title {
    font-size: 0.75rem;
    color: var(--color-gray-muted);
}

.dash-body {
    padding: 1.5rem;
}

.dash-stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dash-stat-card {
    background: var(--color-dark-alt);
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.03);
}

.dash-stat-card .lbl {
    display: block;
    font-size: 0.65rem;
    color: var(--color-gray-muted);
    margin-bottom: 0.25rem;
}

.dash-stat-card .val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
}

.dash-graphic-box {
    background: var(--color-dark-alt);
    height: 140px;
    border-radius: 4px;
    padding: 1rem;
    position: relative;
    display: flex;
    align-items: flex-end;
    margin-bottom: 1rem;
}

.graphic-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(212,175,55,0.2);
}

.graphic-bar-group {
    width: 100%;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 100%;
    z-index: 1;
}

.g-bar {
    width: 12%;
    background: var(--color-gold);
    opacity: 0.7;
    border-radius: 2px 2px 0 0;
}

.dash-footer-status {
    font-size: 0.75rem;
    color: var(--color-gray-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
}

/* 10. PORTAL DE CLIENTES */
.portal-card-preview {
    margin-top: 3rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2.5rem;
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.portal-item {
    background: var(--color-dark-alt);
    border: 1px solid var(--color-card-border);
    padding: 1.25rem;
    border-radius: 6px;
    text-align: left;
}

.portal-item span {
    font-size: 0.75rem;
    color: var(--color-gold);
    display: block;
    margin-bottom: 0.25rem;
}

.portal-item h4 {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.portal-cta-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.portal-note {
    font-size: 0.75rem;
    color: var(--color-gray-muted);
}

/* 11. CÓMO FUNCIONA */
.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.process-step {
    background: var(--color-card-bg);
    border-top: 2px solid var(--color-gold);
    padding: 1.75rem;
    border-radius: 0 0 6px 6px;
}

.step-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: 0.75rem;
}

/* 12. PROPIEDAD HORIZONTAL */
.ph-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.ph-feat-item strong {
    color: var(--color-white);
    display: block;
    margin-bottom: 0.25rem;
}

.ph-feat-item p {
    font-size: 0.875rem;
}

.ph-visual-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ph-graphic {
    width: 260px;
    height: 260px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.1);
}

.ph-svg {
    width: 100px;
    height: 100px;
}

.ph-badge {
    position: absolute;
    bottom: 20px;
    background: var(--color-gold);
    color: var(--color-black);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

/* 13. NOSOTROS */
.mv-grid {
    margin-bottom: 3rem;
}

.mv-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    padding: 2.5rem;
    border-radius: 8px;
}

.mv-tag {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 1rem;
}

.mv-text {
    font-size: 1.1rem;
    color: var(--color-white);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 0;
}

.values-title {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.values-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.val-chip {
    background: var(--color-dark-alt);
    border: 1px solid var(--color-card-border);
    color: var(--color-gray-light);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.val-chip:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

/* 14. RECURSOS */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.res-category {
    font-size: 0.75rem;
    color: var(--color-gold);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.resource-card h4 {
    margin-bottom: 0.75rem;
}

.resource-card p {
    font-size: 0.9rem;
    flex-grow: 1;
}

.res-link {
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 1rem;
}

.res-link:hover {
    color: var(--color-gold);
}

/* 15. CTA BANNER */
.cta-banner {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-dark-alt) 0%, #1a1710 100%);
    border-top: 1px solid var(--color-card-border);
    border-bottom: 1px solid var(--color-card-border);
}

.cta-banner h2 {
    margin-bottom: 1rem;
}

.cta-banner p {
    max-width: 650px;
    margin: 0 auto 2rem auto;
    font-size: 1.1rem;
}

/* 16. CONTACTO */
.contact-detail-box {
    margin-top: 2rem;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 1.75rem;
}

.c-detail-item {
    margin-bottom: 1.25rem;
}

.c-detail-item:last-child {
    margin-bottom: 0;
}

.c-detail-item strong {
    display: block;
    color: var(--color-white);
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
}

.contact-form-container {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 8px;
    padding: 2.5rem;
}

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

.contact-form label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gray-light);
    margin-bottom: 0.4rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: var(--color-dark-alt);
    border: 1px solid var(--color-card-border);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    color: var(--color-white);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}

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

/* 17. FOOTER */
.footer-site {
    background: var(--color-dark-alt);
    border-top: 1px solid var(--color-card-border);
    padding: 4rem 0 2rem 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    width: 140px;
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.875rem;
    max-width: 320px;
}

.footer-heading {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    color: var(--color-white);
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray-muted);
}

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-contact-p {
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-gray-muted);
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a:hover {
    color: var(--color-gold);
}

/* 18. BOTON WHATSAPP */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    background-color: #25D366;
    color: #FFFFFF;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* 19. RESPONSIVE DESIGN (CSS PURO) */
@media (max-width: 992px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        margin-top: 2rem;
    }

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

    .feature-full {
        grid-column: span 1;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    /* Navegación Responsive CSS */
    .nav-toggle-label {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 28px;
        height: 19px;
        cursor: pointer;
    }

    .nav-toggle-label span {
        height: 2px;
        width: 100%;
        background-color: var(--color-white);
        border-radius: 2px;
        transition: var(--transition-smooth);
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-dark-alt);
        border-bottom: 1px solid var(--color-card-border);
        flex-direction: column;
        align-items: flex-start;
        padding: 1.5rem;
        gap: 1rem;
        display: none;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .nav-actions a {
        width: 100%;
    }

    .nav-toggle:checked ~ .nav-menu {
        display: flex;
    }

    .ph-features {
        grid-template-columns: 1fr;
    }

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

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-card-float {
        position: relative;
        bottom: 0;
        left: 0;
        margin-top: 1rem;
    }
}