/* =====================================================
   VOLT - MOTORSPORT CULTURE
   E-Commerce Streetwear & Racing
   ===================================================== */

/* CSS Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* VOLT Brand Colors */
    --volt-black: #0b0b0b;
    --volt-gray: #2a2a2a;
    --volt-white: #f2f2f2;
    --volt-red: #c1121f;
    --volt-red-dark: #9b0f19;
    --volt-red-glow: rgba(193, 18, 31, 0.4);
    
    /* Colores principales */
    --primary: var(--volt-red);
    --primary-dark: var(--volt-red-dark);
    --primary-light: #e01525;
    --secondary: var(--volt-black);
    --secondary-light: var(--volt-gray);
    --accent: var(--volt-red);
    
    /* VOLT es dark-first - Fondos oscuros por defecto */
    --bg-primary: var(--volt-black);
    --bg-secondary: var(--volt-gray);
    --bg-card: #1a1a1a;
    --bg-footer: var(--volt-black);
    --text-primary: var(--volt-white);
    --text-secondary: #b5b5b5;
    --text-muted: #777777;
    --border-color: #3a3a3a;
    
    /* Colores fijos */
    --white: #f2f2f2;
    --gray-100: #e5e5e5;
    --gray-200: #d4d4d4;
    --gray-300: #a3a3a3;
    --gray-400: #737373;
    --gray-500: #525252;
    --gray-600: #404040;
    --gray-700: #2a2a2a;
    --gray-800: #1a1a1a;
    --black: #0b0b0b;
    
    /* Gradientes VOLT */
    --gradient-hero: linear-gradient(180deg, rgba(11, 11, 11, 0.3) 0%, rgba(11, 11, 11, 0.95) 100%);
    --gradient-card: linear-gradient(180deg, transparent 0%, rgba(11, 11, 11, 0.95) 100%);
    --gradient-btn: linear-gradient(135deg, var(--volt-red) 0%, var(--volt-red-dark) 100%);
    --gradient-red-glow: radial-gradient(ellipse at center, var(--volt-red-glow) 0%, transparent 70%);
    
    /* Transiciones */
    --theme-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tipografía */
    --font-primary: 'Barlow', sans-serif;
    --font-display: 'Bebas Neue', sans-serif;
    
    /* Espaciados */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Bordes y sombras */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--volt-red-glow);
    --shadow-red: 0 4px 20px rgba(193, 18, 31, 0.3);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: var(--theme-transition);
}

/* Custom selection color */
::selection {
    background: var(--volt-red);
    color: var(--volt-white);
}

::-moz-selection {
    background: var(--volt-red);
    color: var(--volt-white);
}

/* Utility classes for scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* =====================================================
   HEADER / NAVBAR
   ===================================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    background: var(--volt-black);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--theme-transition);
}

.header.scrolled {
    padding: 0.5rem 2rem;
    box-shadow: var(--shadow-lg);
}

/* Logo VOLT */
.logo-link {
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--volt-white);
    letter-spacing: 0.15em;
    transition: var(--transition-normal);
}

.logo-text:hover {
    color: var(--volt-red);
    text-shadow: 
        0 0 20px var(--volt-red-glow),
        2px 2px 0 var(--volt-white),
        -2px -2px 0 var(--volt-red);
    animation: logo-glitch 0.3s ease;
}

@keyframes logo-glitch {
    0%, 100% { transform: translate(0); }
    25% { transform: translate(-2px, 1px); }
    50% { transform: translate(2px, -1px); }
    75% { transform: translate(-1px, -1px); }
}

.header.scrolled .logo-text {
    font-size: 1.6rem;
}

.header img {
    height: 5rem;
    transition: var(--transition-normal);
}

.header.scrolled img {
    height: 4rem;
}

.header ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.header ul a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-normal);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    transition: var(--transition-normal);
    color: var(--text-primary);
    margin-left: 1rem;
}

.theme-toggle:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    transition: var(--transition-normal);
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

.header ul a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-btn);
    transition: var(--transition-normal);
}

.header ul a:hover {
    color: var(--primary);
}

.header ul a:hover::after {
    width: 100%;
}

.header ul li {
    cursor: pointer;
    transition: var(--transition-fast);
}

/* Menú hamburguesa */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--volt-white);
    border-radius: 3px;
    transition: var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* =====================================================
   HERO SECTION - VOLT
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--volt-black);
    color: var(--volt-white);
    position: relative;
    overflow: hidden;
}

/* Speed lines animadas */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent 0px,
            transparent 100px,
            rgba(193, 18, 31, 0.03) 100px,
            rgba(193, 18, 31, 0.03) 102px
        );
    animation: speed-lines 3s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes speed-lines {
    0% { transform: translateX(-102px); }
    100% { transform: translateX(0); }
}

/* Glow inferior */
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 100%, var(--volt-red-glow) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(193, 18, 31, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(193, 18, 31, 0.1) 0%, transparent 40%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 2rem;
    animation: hero-fade-in 1s ease-out;
}

@keyframes hero-fade-in {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Título principal VOLT */
.hero-brand {
    font-family: var(--font-display);
    font-size: clamp(6rem, 25vw, 16rem);
    font-weight: 400;
    line-height: 0.85;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--volt-white);
    text-shadow: 0 0 80px var(--volt-red-glow);
    margin-bottom: 0.5rem;
    position: relative;
    animation: volt-reveal 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    cursor: default;
}

/* Animación de entrada épica */
@keyframes volt-reveal {
    0% {
        opacity: 0;
        transform: translateY(60px) scale(0.9);
        filter: blur(10px);
    }
    50% {
        filter: blur(0);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

/* Efecto hover - solo transición, sin animación */
.hero-brand:hover {
    color: var(--volt-red);
    text-shadow: 
        0 0 80px var(--volt-red-glow),
        4px 4px 0 var(--volt-white),
        -4px -4px 0 var(--volt-red);
}

.hero-brand::after {
    content: '';
    position: absolute;
    bottom: 0.05em;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 4px;
    background: var(--volt-red);
    box-shadow: 0 0 30px var(--volt-red-glow);
    animation: line-reveal 0.8s 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes line-reveal {
    to { transform: translateX(-50%) scaleX(1); }
}

/* Slogan */
.hero-slogan {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    color: var(--volt-red);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fade-up 0.8s 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--volt-white);
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    opacity: 0;
    animation: fade-up 0.8s 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero .btn {
    opacity: 0;
    animation: fade-up 0.8s 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Botones VOLT */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--volt-red);
    color: var(--volt-white);
    padding: 1.1rem 2.8rem;
    border-radius: 0;
    font-weight: 700;
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px rgba(193, 18, 31, 0.5);
    background: var(--volt-red-dark);
}

.btn:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--volt-white);
    color: var(--volt-white);
    clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.btn-secondary:hover {
    background: var(--volt-white);
    color: var(--volt-black);
    border-color: var(--volt-white);
}

/* =====================================================
   SECCIÓN DE CATEGORÍAS - VOLT
   ===================================================== */
.categories-section {
    background: var(--volt-gray);
    padding: var(--space-3xl) var(--space-xl);
}

.categories-section .section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.categories-section .section-title h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--volt-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.categories-section .section-title span {
    color: var(--volt-red);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.category-card {
    background: var(--volt-black);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--theme-transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--volt-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover {
    border-color: var(--volt-red);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 60px rgba(193, 18, 31, 0.15),
        inset 0 0 60px rgba(193, 18, 31, 0.03);
}

.category-card:hover::before {
    transform: scaleX(1);
}

/* Scan line effect on hover */
.category-card:hover::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(193, 18, 31, 0.03) 50%,
        transparent 100%
    );
    animation: scan 1.5s ease-in-out infinite;
    pointer-events: none;
}

@keyframes scan {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.category-card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.category-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--volt-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.category-card:hover h3 {
    color: var(--volt-red);
}

.category-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.category-card.coming-soon {
    opacity: 0.6;
}

.category-card.coming-soon::after {
    content: 'Próximamente';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--volt-gray);
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.25rem 2rem;
    transform: rotate(45deg);
}

/* =====================================================
   SECCIÓN NOVEDADES (Bienvenida)
   ===================================================== */
.novedades {
    background: var(--volt-black);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    position: relative;
    transition: var(--theme-transition);
}

.novedades::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--volt-red);
}

.novedades-content {
    max-width: 800px;
    margin: 0 auto;
}

.novedades h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
}

.novedades p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* =====================================================
   COUNTDOWN SECTION - VOLT
   ===================================================== */
.title-countdown {
    text-align: center;
    margin: var(--space-3xl) 0 var(--space-xl);
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--volt-white);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--volt-gray);
    padding: 1.5rem 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    width: fit-content;
    margin: 0 auto;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.countdown::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--volt-red);
}

.countdown-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--volt-white);
}

.img-countdown {
    width: 4rem;
    height: 4rem;
    object-fit: cover;
    border: 2px solid var(--volt-red);
}

.countdown .logo {
    width: 60px;
    opacity: 0.9;
    transition: var(--transition-normal);
    filter: brightness(0) invert(1);
}

.countdown .logo:hover {
    transform: scale(1.1);
    opacity: 1;
}

.reloj-wrapper {
    background: var(--volt-black);
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

#reloj {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--volt-white);
    letter-spacing: 2px;
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum';
    text-shadow: 0 0 20px var(--volt-red-glow);
}

.reloj-wrapper.tic {
    transform: scale(1.05);
    background: rgba(193, 18, 31, 0.2);
    border-color: var(--volt-red);
}

/* =====================================================
   LOGOS DE PAGO - VOLT
   ===================================================== */
.logos-pago {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    padding: var(--space-3xl) var(--space-xl);
    background: var(--volt-gray);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.logos-pago .logo {
    max-width: 100px;
    height: auto;
    filter: grayscale(100%) brightness(0) invert(1);
    opacity: 0.5;
    transition: var(--transition-normal);
}

.logos-pago .logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

/* =====================================================
   FOOTER - VOLT
   ===================================================== */
.footer {
    background: var(--volt-black);
    color: var(--volt-white);
    padding: var(--space-3xl) var(--space-xl) var(--space-xl);
    position: relative;
    border-top: 1px solid var(--border-color);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--volt-red);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo en footer */
.footer-brand {
    text-align: left;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--volt-white);
    letter-spacing: 0.15em;
    margin-bottom: 0.25rem;
}

.footer-logo::after {
    display: none;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--volt-red);
    margin-bottom: 1rem;
}

.footer-section h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: var(--volt-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--volt-red);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-section a {
    color: var(--volt-white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--volt-red);
}

.footer-section iframe {
    border: 1px solid var(--border-color);
}

/* Iconos sociales */
.social-icons {
    display: flex;
    gap: 0.75rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--volt-gray);
    border: 1px solid var(--border-color);
    color: var(--volt-white);
    font-size: 0;
    transition: var(--transition-normal);
}

.social-icons a:hover {
    background: var(--volt-red);
    border-color: var(--volt-red);
    transform: translateY(-5px) rotate(-5deg);
    box-shadow: 0 10px 20px rgba(193, 18, 31, 0.3);
}

.social-icons a svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.footer-bottom {
    text-align: center;
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* =====================================================
   CATÁLOGO - LOADER
   ===================================================== */
.loader-overlay {
    position: fixed;
    inset: 0;
    background: var(--volt-black);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid var(--volt-gray);
    border-top: 3px solid var(--volt-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1.5rem;
}

.loader-overlay p {
    font-family: var(--font-display);
    color: var(--volt-white);
    font-size: 1rem;
    letter-spacing: 1px;
}

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

/* =====================================================
   CATÁLOGO - LAYOUT
   ===================================================== */
.bigbox {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    min-height: calc(100vh - 200px);
}

/* Sidebar categorías */
.category-list {
    flex: 0 0 280px;
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
    position: sticky;
    top: 100px;
    transition: var(--theme-transition);
}

.category-list h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-list ul {
    list-style: none;
}

.category-list li {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.category-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--primary);
    transform: scaleY(0);
    transition: var(--transition-normal);
}

.category-list li:hover,
.category-list li.active {
    background: var(--bg-secondary);
    color: var(--primary);
    padding-left: 1.5rem;
}

.category-list li:hover::before,
.category-list li.active::before {
    transform: scaleY(1);
}

/* Grid de productos */
.product-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    align-content: start;
}

.no-products-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    color: var(--gray-500);
}

/* Product Cards */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--theme-transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-btn);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.product-card > *:not(.product-image) {
    padding: 0 1.25rem;
}

.product-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 1rem 0 0.5rem;
    padding: 0 1.25rem;
}

.product-description {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0 1.25rem;
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0.75rem 0;
    padding: 0 1.25rem;
}

.product-stock {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
    padding: 0 1.25rem;
}

.product-stock span {
    font-weight: 600;
    color: var(--accent);
}

/* Contenedor de botones de producto */
.product-buttons {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem 1rem 1.25rem;
    margin-top: auto;
    width: 100%;
}

.add-to-cart {
    flex: 1;
    padding: 0.7rem 1rem;
    background: transparent;
    color: var(--volt-white, #fff);
    border: 2px solid var(--volt-red, #c1121f);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.add-to-cart:hover:not(:disabled) {
    background: var(--volt-red, #c1121f);
    color: var(--volt-white);
    text-shadow: 
        0 0 10px var(--volt-red-glow, rgba(193, 18, 31, 0.6)),
        1px 1px 0 var(--volt-white, #fff),
        -1px -1px 0 var(--volt-red, #c1121f);
    box-shadow: 0 0 20px var(--volt-red-glow, rgba(193, 18, 31, 0.4));
    animation: btn-glitch 0.3s ease;
}

@keyframes btn-glitch {
    0%, 100% { transform: translate(0); }
    25% { transform: translate(-1px, 0.5px); }
    50% { transform: translate(1px, -0.5px); }
    75% { transform: translate(-0.5px, -0.5px); }
}

.add-to-cart:disabled {
    background: var(--volt-red, #c1121f);
    border-color: var(--volt-red, #c1121f);
    color: var(--volt-white);
    cursor: default;
}

/* Botón quitar del carrito */
.remove-from-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    min-width: 38px;
    height: 38px;
    background: transparent;
    color: var(--volt-red, #c1121f);
    border: 2px solid var(--volt-red, #c1121f);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-from-cart:hover {
    background: var(--volt-red, #c1121f);
    color: var(--white);
    box-shadow: 0 0 15px var(--volt-red-glow, rgba(193, 18, 31, 0.4));
    animation: btn-glitch 0.3s ease;
}

/* =====================================================
   CARRITO
   ===================================================== */
.btn-cart {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--gradient-btn);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cart:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.btn-cart .cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent);
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 700;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: badge-pop 0.3s ease;
}

@keyframes badge-pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.cart-container {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 320px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 101;
}

.cart-container.hidden {
    transform: translateX(120%);
}

#wallet_container {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

/* =====================================================
   ABOUT US
   ===================================================== */
.container__about {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

.about__content {
    background: var(--bg-card);
    padding: 2rem;
    text-align: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--theme-transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.about__content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-btn);
}

.about__content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.about__content h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about__content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.about__content img {
    width: 60px;
    height: 60px;
    opacity: 0.7;
    margin-top: auto;
    align-self: center;
}

[data-theme="dark"] .about__content img {
    opacity: 0.9;
    filter: invert(0.8) sepia(1) saturate(3) hue-rotate(175deg);
}

/* Imágenes en secciones about2 */
[data-theme="dark"] .mecanic,
[data-theme="dark"] .mecanic1 {
    opacity: 0.9;
}

.container__about2 {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: var(--space-3xl) auto;
    padding: 0 var(--space-xl);
}

.container__about2:nth-child(even) {
    flex-direction: row-reverse;
}

.intern-div {
    flex: 1;
}

.intern-div p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.9;
}

.mecanic,
.mecanic1 {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* =====================================================
   ENVIOS
   ===================================================== */
.envios__main {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--bg-secondary);
}

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    max-width: 1200px;
    justify-content: center;
    align-items: stretch;
    margin: 0 auto;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    width: 320px;
    min-height: 280px;
    text-align: center;
    transition: var(--theme-transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-btn);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.card:hover::before {
    transform: scaleX(1);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.card h3 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.7;
    flex-grow: 1;
}

.howbuy__main {
    max-width: 800px;
    margin: var(--space-3xl) auto;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--theme-transition);
}

.howbuy__main h2 {
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.howbuy__main p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* =====================================================
   NOVEDADES PAGE
   ===================================================== */
.novedades__main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    background: var(--volt-black);
    padding: var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Speed lines como en el hero */
.novedades__main::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent 0px,
            transparent 100px,
            rgba(193, 18, 31, 0.03) 100px,
            rgba(193, 18, 31, 0.03) 102px
        );
    animation: speed-lines 3s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* Glow inferior */
.novedades__main::before {
    content: "";
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 50% 100%, var(--volt-red-glow) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(193, 18, 31, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(193, 18, 31, 0.1) 0%, transparent 40%);
    z-index: 1;
    pointer-events: none;
}

.novedades__main > * {
    position: relative;
    z-index: 2;
}

.novedades__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--volt-white);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.novedades__btn {
    background: var(--gradient-btn);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.novedades__btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* =====================================================
   BOTÓN WHATSAPP FLOTANTE
   ===================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 100;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--white);
}

/* =====================================================
   ANIMACIONES KEYFRAMES
   ===================================================== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}