/**
 * Roll&Comb Chile — Design System
 *
 * Variables CSS, componentes reutilizables y utilidades.
 * Todos los componentes usan el prefijo .rc- para evitar colisiones.
 *
 * @version 1.0.0
 */

/* Scroll offset para anclas internas — compensa header sticky */
html { scroll-padding-top: 30px; scroll-behavior: smooth; }
[id] { scroll-margin-top: 30px; }

/* =========================================================================
   1. CUSTOM PROPERTIES (VARIABLES)
   ========================================================================= */

:root {
    /* --- Colores principales (paleta marca: negro + amarillo) --- */
    --rc-black:          #111111;
    --rc-black-soft:     #262626;
    --rc-amber:          #ffc107;
    --rc-amber-dark:     #e0a800;
    --rc-green:          #16a34a;
    --rc-red:            #dc2626;

    /* Alias retro-compatibles (mantenemos los nombres viejos apuntando a negro) */
    --rc-navy:           var(--rc-black);
    --rc-navy-light:     var(--rc-black-soft);

    /* --- Fondos --- */
    --rc-bg-light:       #fafafa;
    --rc-bg-warm:        #fff8e1;
    --rc-white:          #ffffff;

    /* --- Grises --- */
    --rc-gray-500:       #64748b;
    --rc-gray-400:       #94a3b8;
    --rc-gray-200:       #e5e7eb;

    /* --- Tipografia --- */
    --rc-font-family:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
                          Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;

    /* --- Tamanos de fuente responsivos --- */
    --rc-fs-hero:        clamp(28px, 5vw, 48px);
    --rc-fs-section:     clamp(24px, 4vw, 36px);
    --rc-fs-body:        16px;
    --rc-fs-small:       14px;
    --rc-fs-tiny:        12px;

    /* --- Escala de espaciado --- */
    --rc-space-1:   4px;
    --rc-space-2:   8px;
    --rc-space-3:  12px;
    --rc-space-4:  16px;
    --rc-space-5:  20px;
    --rc-space-6:  24px;
    --rc-space-8:  32px;
    --rc-space-10: 40px;
    --rc-space-12: 48px;
    --rc-space-16: 64px;
    --rc-space-20: 80px;

    /* --- Border radius --- */
    --rc-radius-sm:   4px;
    --rc-radius-md:   8px;
    --rc-radius-lg:  12px;
    --rc-radius-xl:  16px;
    --rc-radius-pill: 50px;

    /* --- Sombras --- */
    --rc-shadow-sm:  0  1px  3px rgba(0, 0, 0, 0.08);
    --rc-shadow-md:  0  4px 12px rgba(0, 0, 0, 0.10);
    --rc-shadow-lg:  0  8px 30px rgba(0, 0, 0, 0.14);

    /* --- Transiciones --- */
    --rc-transition-fast:   150ms ease;
    --rc-transition-normal: 200ms ease;
    --rc-transition-slow:   300ms ease;
}


/* =========================================================================
   2. RESET / BASE
   ========================================================================= */

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

body {
    font-family: var(--rc-font-family);
    font-size: var(--rc-fs-body);
    color: var(--rc-navy);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* =========================================================================
   3. LAYOUT
   ========================================================================= */

/* Seccion generica */
.rc-section {
    padding: 60px 20px;
}

/* Contenedor centrado */
.rc-container {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}


/* =========================================================================
   4. BOTONES
   ========================================================================= */

/* Boton base */
.rc-btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: var(--rc-radius-md);
    font-family: var(--rc-font-family);
    font-size: var(--rc-fs-body);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--rc-transition-normal);
    line-height: 1.2;
}

.rc-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--rc-shadow-md);
}

.rc-btn:active {
    transform: translateY(0);
}

/* CTA principal — Amber */
.rc-btn--primary {
    background-color: var(--rc-amber);
    color: var(--rc-navy);
    border-color: var(--rc-amber);
}

.rc-btn--primary:hover {
    background-color: var(--rc-amber-dark);
    border-color: var(--rc-amber-dark);
    color: var(--rc-navy);
}

/* Reservar — Rojo */
.rc-btn--reservar {
    background-color: var(--rc-black);
    color: var(--rc-amber);
    border-color: var(--rc-black);
}

.rc-btn--reservar:hover {
    background-color: var(--rc-black-soft);
    border-color: var(--rc-black-soft);
    color: var(--rc-amber);
}

/* Comprar — Verde */
.rc-btn--comprar {
    background-color: var(--rc-green);
    color: var(--rc-white);
    border-color: var(--rc-green);
}

.rc-btn--comprar:hover {
    background-color: #15803d;
    border-color: #15803d;
    color: var(--rc-white);
}

/* Outline / Secundario */
.rc-btn--outline {
    background-color: transparent;
    color: var(--rc-navy);
    border-color: var(--rc-gray-200);
}

.rc-btn--outline:hover {
    background-color: var(--rc-bg-light);
    border-color: var(--rc-gray-400);
}


/* =========================================================================
   5. BADGES
   ========================================================================= */

.rc-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--rc-radius-pill);
    font-size: var(--rc-fs-tiny);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.2;
}

.rc-badge--agotado {
    background-color: var(--rc-red);
    color: var(--rc-white);
}

.rc-badge--stock {
    background-color: var(--rc-green);
    color: var(--rc-white);
}

.rc-badge--preventa {
    background-color: var(--rc-amber);
    color: var(--rc-black);
}


/* =========================================================================
   6. CARDS
   ========================================================================= */

.rc-card {
    background: var(--rc-white);
    border: 1px solid var(--rc-gray-200);
    border-radius: var(--rc-radius-xl);
    padding: var(--rc-space-6);
    transition: transform var(--rc-transition-normal), box-shadow var(--rc-transition-normal);
}

.rc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--rc-shadow-lg);
}

/* Card destacada — borde amber + ribbon "MAS VENDIDA" */
.rc-card--featured {
    border-color: var(--rc-amber);
    border-width: 2px;
    position: relative;
    overflow: hidden;
}

.rc-card--featured::before {
    content: 'MAS VENDIDA';
    position: absolute;
    top: 16px;
    right: -34px;
    background: var(--rc-amber);
    color: var(--rc-navy);
    font-size: var(--rc-fs-tiny);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 40px;
    transform: rotate(45deg);
    z-index: 2;
}


/* =========================================================================
   7. PRECIOS
   ========================================================================= */

.rc-price {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 800;
    color: var(--rc-navy);
    line-height: 1.2;
}

.rc-price--original {
    text-decoration: line-through;
    color: var(--rc-gray-400);
    font-size: var(--rc-fs-body);
    font-weight: 400;
}

.rc-price--discount {
    display: inline-block;
    background: var(--rc-red);
    color: var(--rc-white);
    font-size: var(--rc-fs-small);
    font-weight: 700;
    padding: 2px 10px;
    border-radius: var(--rc-radius-sm);
    margin-left: 8px;
    vertical-align: middle;
}


/* =========================================================================
   8. BARRA DE PROGRESO (stock / urgencia)
   ========================================================================= */

.rc-progress-bar {
    width: 100%;
    height: 10px;
    background: var(--rc-gray-200);
    border-radius: var(--rc-radius-pill);
    overflow: hidden;
    position: relative;
}

.rc-progress-bar__fill {
    height: 100%;
    border-radius: var(--rc-radius-pill);
    background: linear-gradient(90deg, var(--rc-amber), var(--rc-red));
    width: 0;              /* Se anima via JS */
    transition: width 1.2s ease;
}


/* =========================================================================
   9. TESTIMONIOS
   ========================================================================= */

.rc-testimonial {
    background: var(--rc-white);
    border-radius: var(--rc-radius-xl);
    box-shadow: var(--rc-shadow-md);
    padding: var(--rc-space-8);
    text-align: center;
}

.rc-testimonial__stars {
    color: var(--rc-amber);
    font-size: 20px;
    margin-bottom: var(--rc-space-3);
    letter-spacing: 2px;
}

.rc-testimonial__quote {
    font-size: var(--rc-fs-body);
    color: var(--rc-navy-light);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--rc-space-4);
}

.rc-testimonial__author {
    font-size: var(--rc-fs-small);
    font-weight: 700;
    color: var(--rc-navy);
}

.rc-testimonial__location {
    font-size: var(--rc-fs-tiny);
    color: var(--rc-gray-500);
}


/* =========================================================================
   10. PASOS ("Como funciona")
   ========================================================================= */

.rc-step {
    text-align: center;
    padding: var(--rc-space-6);
}

.rc-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--rc-amber);
    color: var(--rc-navy);
    font-size: 20px;
    font-weight: 800;
    margin-bottom: var(--rc-space-4);
}

.rc-step__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--rc-space-2);
    color: var(--rc-navy);
}

.rc-step__desc {
    font-size: var(--rc-fs-small);
    color: var(--rc-gray-500);
    line-height: 1.6;
}


/* =========================================================================
   11. FAQ (Accordion)
   ========================================================================= */

.rc-faq-item {
    border-bottom: 1px solid var(--rc-gray-200);
}

.rc-faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--rc-space-5) 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--rc-font-family);
    font-size: var(--rc-fs-body);
    font-weight: 600;
    color: var(--rc-navy);
    text-align: left;
    line-height: 1.4;
}

.rc-faq-item__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 300;
    color: var(--rc-gray-400);
    transition: transform var(--rc-transition-normal);
}

/* Icono rotado cuando esta abierto */
.rc-faq-item.is-open .rc-faq-item__icon {
    transform: rotate(45deg);
}

.rc-faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--rc-transition-slow), padding var(--rc-transition-slow);
    padding: 0;
}

.rc-faq-item.is-open .rc-faq-item__answer {
    max-height: 500px;
    padding-bottom: var(--rc-space-5);
}

.rc-faq-item__answer p {
    font-size: var(--rc-fs-small);
    color: var(--rc-gray-500);
    line-height: 1.7;
    margin: 0;
}


/* =========================================================================
   12. BARRA DE URGENCIA SUPERIOR
   ========================================================================= */

.rc-top-bar {
    background-color: var(--rc-black);
    color: var(--rc-white);
    font-size: var(--rc-fs-small);
    font-weight: 600;
    text-align: center;
    padding: 10px 16px;
    position: sticky;
    top: 0;
    z-index: 99999;
    border-bottom: 2px solid var(--rc-amber);
    transition: transform var(--rc-transition-normal);
}

.rc-top-bar strong { color: var(--rc-amber); }

/* Clase que oculta la barra al hacer scroll hacia abajo */
.rc-top-bar.is-hidden {
    transform: translateY(-100%);
}


/* =========================================================================
   13. COMPARACION ANTES / DESPUES
   ========================================================================= */

.rc-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--rc-space-6);
    align-items: start;
}

.rc-comparison__item {
    border-radius: var(--rc-radius-lg);
    overflow: hidden;
}

.rc-comparison__item img {
    width: 100%;
    height: auto;
    display: block;
}

.rc-comparison__label {
    text-align: center;
    padding: var(--rc-space-3);
    font-size: var(--rc-fs-small);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}


/* =========================================================================
   14. RESPONSIVE BREAKPOINTS
   ========================================================================= */

/* --- Mobile: max 600px --- */
@media (max-width: 600px) {
    .rc-section {
        padding: 40px 16px;
    }

    .rc-container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .rc-btn {
        padding: 14px 24px;
        font-size: var(--rc-fs-small);
        width: 100%;
    }

    .rc-card {
        padding: var(--rc-space-4);
    }

    .rc-comparison {
        grid-template-columns: 1fr;
    }

    .rc-testimonial {
        padding: var(--rc-space-5);
    }

    .rc-top-bar {
        font-size: var(--rc-fs-tiny);
        padding: 8px 12px;
    }
}

/* --- Tablet: max 900px --- */
@media (max-width: 900px) {
    .rc-section {
        padding: 48px 20px;
    }

    .rc-comparison {
        gap: var(--rc-space-4);
    }
}

/* --- Desktop: min 901px --- */
@media (min-width: 901px) {
    .rc-card--featured {
        transform: scale(1.02);
    }
}


/* =========================================================================
   15. ACCESIBILIDAD — REDUCED MOTION
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .rc-card:hover {
        transform: none;
    }

    .rc-btn:hover {
        transform: none;
    }

    .rc-progress-bar__fill {
        transition: none;
    }

    .rc-card--featured {
        transform: none;
    }
}

/* =========================================================================
   LAYOUT GLOBAL — header, nav, footer, wa-float
   Compartido entre todas las páginas (home, fichas, comparativa, blog).
   ========================================================================= */

.site-header {
    background: var(--rc-white);
    border-bottom: 1px solid var(--rc-gray-200);
    position: sticky;
    top: 36px;
    z-index: 99;
}
.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-header__logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 0;
}
.site-header__logo img {
    height: 44px;
    width: auto;
    display: block;
}
.site-nav {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.site-nav a {
    text-decoration: none;
    color: var(--rc-black-soft);
    font-weight: 600;
    font-size: 15px;
    transition: color var(--rc-transition-fast);
}
.site-nav a:hover { color: var(--rc-amber-dark); }

/* --- Dropdown submenu --- */
.site-nav__item--has-dropdown { position: relative; }
.site-nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--rc-black-soft);
    font-weight: 600;
    font-size: 15px;
    transition: color var(--rc-transition-fast);
}
.site-nav__toggle::after {
    content: "";
    width: 6px; height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s ease;
}
.site-nav__item--has-dropdown:hover .site-nav__toggle,
.site-nav__item--has-dropdown:focus-within .site-nav__toggle { color: var(--rc-amber-dark); }
.site-nav__item--has-dropdown:hover .site-nav__toggle::after,
.site-nav__item--has-dropdown:focus-within .site-nav__toggle::after { transform: rotate(-135deg) translateY(2px); }
.site-nav__dropdown {
    position: absolute;
    top: 100%;
    left: -16px;
    margin-top: 14px;
    min-width: 240px;
    background: var(--rc-white);
    border: 1px solid var(--rc-gray-200);
    border-radius: var(--rc-radius-md);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
    padding: 8px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 200;
}
.site-nav__dropdown::before {
    content: "";
    position: absolute;
    top: -14px; left: 0; right: 0; height: 14px;
}
.site-nav__item--has-dropdown:hover .site-nav__dropdown,
.site-nav__item--has-dropdown:focus-within .site-nav__dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.site-nav__dropdown li { margin: 0; }
.site-nav__dropdown a {
    display: block;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--rc-black-soft);
    text-decoration: none;
}
.site-nav__dropdown a:hover { background: var(--rc-bg-warm); color: var(--rc-amber-dark); }
.site-nav__dropdown li + li a { border-top: 1px solid var(--rc-gray-200); }

.site-header__cart {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--rc-black);
    color: var(--rc-amber);
    padding: 10px 18px;
    border-radius: var(--rc-radius-md);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
}
.site-header__cart:hover { background: var(--rc-black-soft); }
@media (max-width: 800px) {
    .site-nav { display: none; }
    .site-header__inner { padding: 12px 16px; }
}
@media (max-width: 500px) {
    .site-header__logo img { height: 36px; }
}

.site-footer {
    background: var(--rc-black);
    color: rgba(255,255,255,0.6);
    padding: 48px 20px 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.site-footer__inner {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
    justify-content: center;
}
.site-footer__brand img {
    height: 56px;
    width: auto;
    display: block;
    margin: 0 0 12px;
}
.site-footer__brand p {
    font-size: 14px;
    line-height: 1.6;
    max-width: 280px;
    margin: 0;
}
.site-footer h4 {
    color: var(--rc-amber);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 16px;
}
.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color var(--rc-transition-fast);
}
.site-footer a:hover { color: var(--rc-amber); }
.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    max-width: 1100px;
    margin: 0 auto;
}
@media (max-width: 800px) {
    .site-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
    .site-footer__inner { grid-template-columns: 1fr; }
}

.wa-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--rc-shadow-lg);
    text-decoration: none;
    z-index: 1000;
}