:root {
    --bg-light: #f5f6f8;
    --red-fage: #e50914;
    --red-glow: rgba(229, 9, 20, 0.4);
    --text-dark: #1a1a1a;
    --text-muted: #666666;
    --font-main: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: var(--font-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* FONDO BLANCO / CLARO CON IMAGEN DE ASSETS */
#bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(245, 246, 248, 0.95) 40%, rgba(245, 246, 248, 0.4)),
                url('../assets/index.jpg') center/cover no-repeat;
    z-index: -1;
}

/* HEADER Y NAVEGACIÓN SUPERIOR EN MODO CLARO */
.header-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(245, 246, 248, 0.85);
    backdrop-filter: blur(8px);
}

.brand-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--text-dark);
    line-height: 1;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text-muted);
    margin-top: 3px;
}

.top-nav {
    display: flex;
    gap: 22px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-dark);
    font-weight: 700;
}

/* BOTONES CON ESTILO Y BRILLO ROJO COMO LA IMAGEN */
.btn-glow {
    background-color: var(--red-fage);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 18px var(--red-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(229, 9, 20, 0.6);
}

/* CONTENIDO HERO */
.hero-container {
    min-height: 100vh;
    padding: 160px 6% 60px 6%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-content {
    max-width: 520px;
}

.subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-dark);
    display: block;
    margin-bottom: 12px;
}

.page-title {
    font-size: clamp(2rem, 3.8vw, 3rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.title-bold {
    font-weight: 900;
}

.hero-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 30px;
}

.btn-main {
    display: inline-block;
    padding: 14px 28px;
    font-size: 0.85rem;
}

/* CONTROLES SLIDER INFERIOR */
.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 6%;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    user-select: none;
}

.slider-controls .arrow {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: color 0.3s;
}

.slider-controls .arrow:hover {
    color: var(--text-dark);
}

.slider-controls .dot {
    width: 8px;
    height: 8px;
    background-color: #cccccc;
    border-radius: 50%;
    cursor: pointer;
}

.slider-controls .dot.active {
    background-color: var(--text-dark);
}