/**
 * TRAMIOGO.ONLINE - HOJA DE ESTILOS MODERNA Y AVANZADA (/css/site.css)
 * Paleta: #295264, #fad9a6, #bd2f28, #89373d, #142433
 */

:root {
    --bg-main: #142433;
    --bg-surface: #295264;
    --color-sand: #fad9a6;
    --color-red: #bd2f28;
    --color-dark-red: #89373d;
    --text-light: #f7f9fa;
    --text-muted: #d0d7de;
    --glass-bg: rgba(41, 82, 100, 0.45);
    --glass-border: rgba(250, 217, 166, 0.2);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-light);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.8;
    overflow-x: hidden;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

body.loaded {
    opacity: 1;
}

/* PRELOADER CIRCULAR EXCLUSIVO PARA INDEX (.5 SEGUNDOS) */
#page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-main);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#page-preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.spinner-circle {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(250, 217, 166, 0.2);
    border-top-color: var(--color-sand);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* BARRA GOOGLE ADS DISCLAIMER */
.google-ads-disclaimer-bar {
    background: linear-gradient(135deg, var(--color-dark-red), var(--bg-surface));
    border-bottom: 1px solid var(--color-sand);
    color: var(--color-sand);
    font-size: 0.825rem;
    padding: 0.75rem 1rem;
    text-align: center;
    position: relative;
    z-index: 1000;
}

.google-ads-disclaimer-bar strong {
    color: #ffffff;
}

/* CONTENEDOR */
.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* NAVBAR CON ANIMACIÓN ESCALONADA Y HOVER */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(20, 36, 51, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 900;
    padding: 1.25rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-sand);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.brand-tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
}

.staggered-nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.staggered-nav-list li {
    opacity: 0;
    animation: fadeInSlideDown 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: calc(var(--item-index) * 0.1s + 0.5s);
}

@keyframes fadeInSlideDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

.staggered-nav-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: inline-block;
    transition: transform 0.3s ease, color 0.3s ease;
}

.staggered-nav-list a:hover {
    color: var(--color-sand);
    transform: translateY(-4px) scale(1.05);
}

/* BOTONES CON RETROALIMENTACIÓN DE CLIC Y PATRÓN ALTERNANTE */
.interactive-btn {
    position: relative;
    overflow: hidden;
    background-color: var(--color-sand);
    color: var(--bg-main);
    padding: 0.8rem 2rem;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(250, 217, 166, 0.2);
    border: none;
    cursor: pointer;
}

.interactive-btn:active {
    transform: scale(0.94);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.interactive-btn.alt-pattern {
    background-color: var(--color-red);
    color: var(--text-light);
}

.interactive-btn.alt-pattern:active {
    background-color: var(--color-dark-red);
}

/* HERO SECTION CON FONDO ABSTRACTO Y EFECTO DE TEXTO ANIMADO */
.hero-abstract-section {
    position: relative;
    padding: 9rem 0 7rem 0;
    overflow: hidden;
    background: radial-gradient(circle at 70% 30%, rgba(41, 82, 100, 0.8) 0%, var(--bg-main) 70%);
}

.abstract-bg-shape {
    position: absolute;
    top: -50px;
    right: -100px;
    width: 650px;
    height: 650px;
    background: linear-gradient(135deg, rgba(189, 47, 40, 0.25), rgba(250, 217, 166, 0.15));
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    filter: blur(80px);
    z-index: 1;
    animation: morphShape 12s ease-in-out infinite alternate;
}

@keyframes morphShape {
    0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; transform: rotate(0deg) scale(1); }
    100% { border-radius: 60% 40% 30% 70% / 50% 60% 40% 50%; transform: rotate(15deg) scale(1.1); }
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.animated-title-effect {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, var(--text-light) 30%, var(--color-sand) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textReveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes textReveal {
    from { opacity: 0; transform: translateY(30px); filter: blur(8px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* TARJETAS GLASSMORPHIC CON BRILLO AL PASAR EL CURSOR */
.glassmorphic-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
}

.glassmorphic-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(250, 217, 166, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    transform: translate(var(--mouse-x, 0), var(--mouse-y, 0));
}

.glassmorphic-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-sand);
}

.glassmorphic-card:hover::after {
    opacity: 1;
}

/* ESTILOS DE SECCIONES MÚLTIPLES Y ASIMÉTRICAS (7+ SECCIONES ÚNICAS) */
.dynamic-section {
    padding: 6rem 0;
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.section-img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--glass-border);
    transition: transform 0.5s ease;
}

.section-img:hover {
    transform: scale(1.02);
}

/* FOOTER */
.site-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--glass-border);
    padding: 5rem 0 2rem 0;
    margin-top: 6rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (max-width: 1024px) {
    .grid-2col, .grid-3col, .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .animated-title-effect {
        font-size: 2.75rem;
    }
}