/* ==========================================================================
   DocuWay Global Intelligence - Estilos Modernos y Avanzados
   Paleta: #A5B4FC, #C7E0FC, #D2CBFC, #A6EBFC, #E5D0FC
   ========================================================================== */

:root {
    --c-indigo-soft: #A5B4FC;
    --c-blue-light: #C7E0FC;
    --c-lavender: #D2CBFC;
    --c-cyan-pastel: #A6EBFC;
    --c-purple-light: #E5D0FC;
    --bg-dark: #0f172a;
    --text-dark: #1e293b;
    --text-muted: #475569;
    --font-heading: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-body: Arial, sans-serif;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: #fafbfc;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    opacity: 0;
    animation: pageTransitionIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageTransitionIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Precargador Exclusivo Index (0.5s) */
#page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    animation: hidePreloader 0.5s ease 0.5s forwards;
    pointer-events: none;
}

.spinner-circle {
    width: 55px;
    height: 55px;
    border: 4px solid rgba(165, 180, 252, 0.2);
    border-top: 4px solid var(--c-cyan-pastel);
    border-radius: 50%;
    animation: spin 0.5s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes hidePreloader {
    to { opacity: 0; visibility: hidden; }
}

/* Disclaimer Superior */
.top-disclaimer-bar {
    background: linear-gradient(135deg, var(--bg-dark), #1e293b);
    color: #e2e8f0;
    font-size: 0.85rem;
    text-align: center;
    padding: 0.6rem 1rem;
    border-bottom: 3px solid var(--c-indigo-soft);
    font-weight: 500;
}

.top-disclaimer-bar span {
    color: var(--c-cyan-pastel);
    font-weight: 700;
}

/* Navbar Moderna con Animaciones Escalonadas y Brinco en Hover */
header.site-header {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 4rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(165, 180, 252, 0.15);
}

.brand-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo span {
    color: var(--c-cyan-pastel);
}

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

nav.main-nav a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    display: inline-block;
    transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.25s ease;
    animation: navStaggerIn 0.5s ease backwards;
}

nav.main-nav a:nth-child(1) { animation-delay: 0.1s; }
nav.main-nav a:nth-child(2) { animation-delay: 0.2s; }
nav.main-nav a:nth-child(3) { animation-delay: 0.3s; }
nav.main-nav a:nth-child(4) { animation-delay: 0.4s; }
nav.main-nav a:nth-child(5) { animation-delay: 0.5s; }

@keyframes navStaggerIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

nav.main-nav a:hover {
    color: var(--c-cyan-pastel);
    transform: translateY(-4px) scale(1.05);
}

/* Botones con Retroalimentación Alternada por Clic (JS/CSS) */
.btn-interactive {
    background: linear-gradient(135deg, var(--c-indigo-soft), var(--c-blue-light));
    color: var(--bg-dark);
    padding: 0.8rem 1.8rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(165, 180, 252, 0.3);
}

.btn-interactive.clicked-alt-1 {
    transform: scale(0.95) rotate(-1deg);
    background: linear-gradient(135deg, var(--c-cyan-pastel), var(--c-lavender));
}

.btn-interactive.clicked-alt-2 {
    transform: scale(0.95) rotate(1deg);
    background: linear-gradient(135deg, var(--c-purple-light), var(--c-indigo-soft));
}

/* Hero con Texto Animado y Fondo Abstracto Moderno */
.hero-abstract {
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 7rem 4rem;
    overflow: hidden;
    text-align: center;
}

.hero-abstract::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(165, 180, 252, 0.15) 0%, rgba(166, 235, 252, 0.05) 70%, transparent 100%);
    top: -50%;
    left: -20%;
    border-radius: 50%;
    animation: abstractFloat 12s ease-in-out infinite alternate;
}

@keyframes abstractFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.15); }
}

.hero-title-animated {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin: 0 auto 1.5rem auto;
    max-width: 900px;
    background: linear-gradient(135deg, #ffffff, var(--c-cyan-pastel), var(--c-lavender));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textGlowPulse 4s ease-in-out infinite alternate;
    position: relative;
    z-index: 2;
}

@keyframes textGlowPulse {
    0% { filter: drop-shadow(0 2px 10px rgba(165, 180, 252, 0.2)); }
    100% { filter: drop-shadow(0 4px 25px rgba(166, 235, 252, 0.5)); }
}

.hero-abstract p {
    font-size: 1.15rem;
    color: #94a3b8;
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
    position: relative;
    z-index: 2;
}

/* Tarjetas con Brillo Glassmorphic en Hover */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(165, 180, 252, 0.3);
    padding: 2.5rem;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

.glass-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    transform: scale(0.5);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(165, 180, 252, 0.25);
    border-color: var(--c-cyan-pastel);
}

.glass-card:hover::after {
    opacity: 1;
    transform: scale(1);
}

/* Secciones Únicas (8 Arquitecturas Distintas) */
.sec-style-1 { background-color: #ffffff; padding: 6rem 4rem; border-bottom: 1px solid #e2e8f0; }
.sec-style-2 { background: linear-gradient(135deg, var(--c-blue-light), var(--c-lavender)); padding: 6rem 4rem; }
.sec-style-3 { background-color: #0f172a; color: #ffffff; padding: 6rem 4rem; }
.sec-style-4 { background-color: #f1f5f9; padding: 6rem 4rem; border-left: 8px solid var(--c-indigo-soft); }
.sec-style-5 { background: radial-gradient(circle at top right, var(--c-purple-light), #ffffff); padding: 6rem 4rem; }
.sec-style-6 { background-color: #ffffff; padding: 6rem 4rem; border-top: 3px solid var(--c-cyan-pastel); border-bottom: 3px solid var(--c-cyan-pastel); }
.sec-style-7 { background: linear-gradient(180deg, #1e293b, #0f172a); color: #ffffff; padding: 6rem 4rem; }
.sec-style-8 { background-color: #f8fafc; padding: 6rem 4rem; box-shadow: inset 0 10px 20px rgba(0,0,0,0.03); }

/* Distribuciones Internas Avanzadas */
.grid-2col { display: flex; gap: 4rem; align-items: center; }
.grid-2col > div { flex: 1; }
.img-modern { width: 100%; height: 380px; object-fit: cover; border-radius: 10px; box-shadow: 0 15px 35px rgba(0,0,0,0.1); transition: transform 0.5s ease; }
.img-modern:hover { transform: scale(1.02); }

.tag-badge {
    display: inline-block;
    background: rgba(165, 180, 252, 0.2);
    color: var(--c-indigo-soft);
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 20px;
    margin-bottom: 1rem;
}

h2.sec-heading {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    font-weight: 800;
    line-height: 1.3;
}

p.sec-body {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.sec-style-3 p.sec-body, .sec-style-7 p.sec-body { color: #cbd5e1; }

/* Footer */
footer.site-footer {
    background-color: var(--bg-dark);
    color: #94a3b8;
    padding: 4rem;
    font-size: 0.9rem;
    border-top: 1px solid rgba(165, 180, 252, 0.2);
}

.footer-flex { display: flex; justify-content: space-between; gap: 3rem; margin-bottom: 3rem; }
.footer-col { flex: 1; }
.footer-col h4 { color: #ffffff; font-size: 1.1rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { color: #94a3b8; text-decoration: none; transition: color 0.3s; }
.footer-col ul li a:hover { color: var(--c-cyan-pastel); }
.footer-bottom { text-align: center; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 2rem; font-size: 0.85rem; }

@media(max-width: 900px) {
    .grid-2col { flex-direction: column; gap: 2rem; }
    header.site-header, .hero-abstract, .sec-style-1, .sec-style-2, .sec-style-3, .sec-style-4, .sec-style-5, .sec-style-6, .sec-style-7, .sec-style-8, footer.site-footer {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .hero-title-animated { font-size: 2.4rem; }
}