/* ===================================
   NIRVANA E-COMMERCE - ESTILOS PRINCIPALES
   
   Desarrollado por: Jonatan Bianchi
   Empresa: Bianchi Desarrollo Web
   Email: jonatan@bianchi.com.ar
   GitHub: jonatan-bianchi
   Web: jonatan.bianchi.com.ar | jonatan-bianchi.com.ar
   =================================== */

/* ===================================
   VARIABLES Y PALETA DE COLORES (BLANCO Y NEGRO)
   =================================== */
:root {
    /* Colores Principales */
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #2a2a2a;
    --color-gray: #404040;
    --color-light-gray: #666666;
    --color-lighter-gray: #999999;
    --color-silver: #cccccc;
    --color-off-white: #e5e5e5;
    --color-white: #ffffff;
    
    /* Gradientes en escala de grises */
    --gradient-dark: linear-gradient(135deg, #000000 0%, #2a2a2a 100%);
    --gradient-light: linear-gradient(135deg, #666666 0%, #cccccc 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0.8) 0%, rgba(10, 10, 10, 0.95) 100%);
    
    /* Fuentes */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Raleway', sans-serif;
    --font-elegant: 'Cormorant Garamond', serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.1);
}

/* ===================================
   RESET Y ESTILOS BASE
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    /* Ocultar scrollbar pero mantener funcionalidad */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE y Edge */
}

html::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-off-white);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
    /* Ocultar scrollbar pero mantener funcionalidad */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE y Edge */
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Prevenir overflow horizontal */
img, video, iframe, embed, object, svg {
    max-width: 100%;
    height: auto;
}

/* Ocultar scrollbars en todos los elementos */
* {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE y Edge */
}

*::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Contenedores Bootstrap - prevenir overflow */
.container,
.container-fluid {
    max-width: 100%;
    overflow-x: hidden;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.container::-webkit-scrollbar,
.container-fluid::-webkit-scrollbar {
    display: none;
}

/* Secciones principales */
section {
    max-width: 100%;
    overflow-x: hidden;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

section::-webkit-scrollbar {
    display: none;
}

/* Navbar */
.navbar {
    max-width: 100%;
    overflow-x: hidden;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.navbar::-webkit-scrollbar {
    display: none;
}

/* ===================================
   NAVBAR
   =================================== */
.navbar {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all var(--transition-normal);
    border-bottom: 1px solid var(--color-dark-gray);
}

.navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-white) !important;
    letter-spacing: 3px;
    transition: all var(--transition-normal);
    z-index: 1050;
}

.navbar-toggler {
    border: 1px solid var(--color-white);
    padding: 0.25rem 0.5rem;
    z-index: 1050;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-collapse {
    background-color: rgba(0, 0, 0, 0.98);
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid var(--color-medium-gray);
}

.logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
    transition: all var(--transition-normal);
}

.navbar-brand:hover .logo-img {
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
    transform: scale(1.05);
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--color-silver) !important;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    position: relative;
    transition: all var(--transition-fast);
    letter-spacing: 1px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-white);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover {
    color: var(--color-white) !important;
}

.cart-icon {
    position: relative;
    cursor: pointer;
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-white);
    color: var(--color-black);
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
    border-radius: 50%;
    min-width: 20px;
    text-align: center;
    font-weight: 600;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: 
        var(--gradient-overlay),
        url('https://images.unsplash.com/photo-1518991043280-1da61ddbb562?w=1920&h=1080&fit=crop') center/cover no-repeat;
    padding-top: 80px;
    filter: grayscale(100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, rgba(0, 0, 0, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.logo-container {
    animation: float 3s ease-in-out infinite;
}

.hero-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.3));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-family: var(--font-elegant);
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--color-silver);
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto;
}

.cta-button {
    background: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-white);
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 1px;
    border-radius: 50px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    max-width: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--color-white);
    border-radius: 20px;
    position: relative;
    animation: scroll 1.5s infinite;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-white);
    border-radius: 2px;
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

@keyframes scroll-wheel {
    0% {
        top: 8px;
        opacity: 1;
    }
    100% {
        top: 20px;
        opacity: 0;
    }
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features-section {
    background-color: var(--color-dark);
    border-top: 1px solid var(--color-medium-gray);
    border-bottom: 1px solid var(--color-medium-gray);
}

.feature-card {
    padding: 2rem;
    background: var(--color-dark-gray);
    border: 1px solid var(--color-medium-gray);
    border-radius: 15px;
    transition: all var(--transition-normal);
    height: 100%;
}

.feature-card:hover {
    background: var(--color-medium-gray);
    border-color: var(--color-silver);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.06);
}

.feature-icon {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.feature-card p {
    font-size: 1rem;
    color: var(--color-light-gray);
    margin-bottom: 0;
}

/* ===================================
   SECTION TITLES
   =================================== */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.title-divider {
    width: 80px;
    height: 3px;
    background: var(--color-white);
    margin: 0 auto 1rem;
    border-radius: 2px;
}

.section-subtitle {
    font-family: var(--font-elegant);
    font-size: 1.2rem;
    color: var(--color-light-gray);
    font-weight: 300;
}

/* ===================================
   KITS SECTION
   =================================== */
.kits-section {
    padding: 5rem 0;
    background-color: var(--color-black);
}

.kit-card {
    background: var(--color-dark-gray);
    border: 1px solid var(--color-medium-gray);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 0;
}

.kit-card.featured {
    border-color: var(--color-silver);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-white);
    color: var(--color-black);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 3;
    letter-spacing: 1px;
}

@media (hover: hover) and (pointer: fine) {
    .kit-card:hover {
        transform: translateY(-3px);
        border-color: var(--color-silver);
        box-shadow: 0 4px 15px rgba(255, 255, 255, 0.08);
    }
    
    .kit-card:hover .kit-image {
        transform: scale(1.02);
    }
}

.kit-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-gray);
    min-height: 0;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.kit-image-container::-webkit-scrollbar {
    display: none;
}

.kit-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-slow);
    padding: 0;
    box-sizing: border-box;
}


.kit-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.kit-card:hover .kit-overlay {
    opacity: 1;
}

.quick-view {
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.kit-card:hover .quick-view {
    transform: translateY(0);
}

.kit-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.kit-category {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-black);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    width: fit-content;
}

.kit-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.kit-description {
    font-size: 0.95rem;
    color: var(--color-light-gray);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.kit-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-medium-gray);
}

.kit-price {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
}

.kit-price-old {
    text-decoration: line-through;
    color: var(--color-light-gray);
    font-size: 1.2rem;
    margin-right: 0.5rem;
    font-weight: 400;
}

.add-to-cart {
    background: var(--color-white);
    color: var(--color-black);
    border: none;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    border-radius: 25px;
    transition: all var(--transition-normal);
}

.add-to-cart:hover {
    background: var(--color-black);
    color: var(--color-white);
    border: 1px solid var(--color-white);
    transform: scale(1.02);
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about-section {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-dark) 100%);
    padding: 5rem 0;
}

.about-logo {
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.3));
    animation: float 4s ease-in-out infinite;
}

.about-text {
    font-size: 1.1rem;
    color: var(--color-silver);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-stats {
    margin-top: 2rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-light-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   INFO SECTION
   =================================== */
.info-section {
    background-color: var(--color-dark);
    padding: 5rem 0;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-section {
    background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-black) 100%);
    padding: 5rem 0;
}

.contact-info {
    margin: 2rem 0;
}

.contact-item {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-white);
}

.contact-item a {
    color: var(--color-silver);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-medium-gray);
    border: 1px solid var(--color-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-silver);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.15);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background-color: var(--color-black);
    border-top: 1px solid var(--color-medium-gray);
    padding: 2rem 0;
}

.footer-logo {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
}

.footer-text {
    color: var(--color-light-gray);
    font-size: 0.9rem;
}

.footer-link {
    color: var(--color-light-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border: 2px solid var(--color-white);
    border-radius: 50%;
    color: var(--color-black);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--color-black);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* ===================================
   ANIMACIONES AOS (Scroll Animations)
   =================================== */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ===================================
   KIT SLIDER (INSTAGRAM STYLE)
   =================================== */
.kit-slider {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    min-height: 0;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.kit-slider::-webkit-scrollbar {
    display: none;
}

.slider-images {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 0;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.slider-images::-webkit-scrollbar {
    display: none;
}

.kit-slider .kit-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease;
    object-fit: cover;
    object-position: center;
    padding: 0;
    box-sizing: border-box;
    will-change: opacity;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000px;
    perspective: 1000px;
}

.kit-slider .kit-image.active {
    opacity: 1;
    z-index: 1;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 2;
    color: var(--color-black);
    font-size: 1.2rem;
}

.kit-slider:hover .slider-btn {
    opacity: 1;
}

.slider-btn:hover {
    background: var(--color-white);
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
    .kit-slider:hover .slider-btn {
        opacity: 1;
    }
    
    .slider-btn {
        opacity: 1;
        background: rgba(255, 255, 255, 0.85);
    }
    
    .slider-btn:hover {
        transform: translateY(-50%) scale(1);
    }
}

.slider-btn.prev-btn {
    left: 10px;
}

.slider-btn.next-btn {
    right: 10px;
}

@media (max-width: 576px) {
    .slider-btn.prev-btn {
        left: 5px;
    }
    
    .slider-btn.next-btn {
        right: 5px;
    }
}

.slider-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 90%;
    padding: 0 10px;
}

.slider-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.slider-dots .dot.active {
    background: var(--color-white);
    width: 10px;
    height: 10px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.slider-dots .dot:hover:not(.active) {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    /* Prevenir overflow en móviles */
    body, html {
        overflow-x: hidden;
        width: 100%;
        max-width: 100vw;
    }
    
    .container,
    .container-fluid {
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100%;
    }
    
    .row {
        margin-left: -15px;
        margin-right: -15px;
    }
    
    .row > * {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    section {
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .hero-section {
        min-height: 100vh;
        padding: 100px 15px;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .hero-logo {
        max-width: 150px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .kit-image-container {
        aspect-ratio: 3/4;
        min-height: 0;
        max-width: 100%;
    }
    
    .kit-card {
        min-height: auto;
        max-width: 100%;
    }
    
    .kit-image {
        padding: 0;
        max-width: 100%;
    }
    
    .kit-slider .kit-image {
        padding: 0;
        max-width: 100%;
    }
    
    .kit-slider {
        max-width: 100%;
    }
    
    .slider-images {
        max-width: 100%;
    }
    
    .slider-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .slider-dots {
        bottom: 10px;
        gap: 6px;
        padding: 0 5px;
    }
    
    .slider-dots .dot {
        width: 6px;
        height: 6px;
    }
    
    .slider-dots .dot.active {
        width: 8px;
        height: 8px;
    }
    
    .kit-slider {
        touch-action: pan-x pan-y;
        -webkit-overflow-scrolling: touch;
    }
    
    .kit-card:hover {
        transform: none !important;
    }
    
    .kit-card:hover .kit-image {
        transform: none !important;
    }
    
    .kit-overlay {
        opacity: 0 !important;
        pointer-events: none;
    }
    
    .slider-btn {
        opacity: 1 !important;
        background: rgba(255, 255, 255, 0.8) !important;
    }
    
    .kit-content {
        padding: 1rem;
    }
    
    .kit-title {
        font-size: 1.2rem;
    }
    
    .kit-description {
        font-size: 0.85rem;
    }
    
    .kit-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .kit-price {
        font-size: 1.5rem;
    }
    
    .kit-price-old {
        font-size: 1rem;
    }
    
    .slider-images {
        width: 100%;
        height: 100%;
        max-width: 100%;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .feature-card {
        margin-bottom: 1rem;
        max-width: 100%;
    }
    
    .navbar {
        padding-left: 15px;
        padding-right: 15px;
        max-width: 100%;
    }
    
    .kit-slider {
        max-width: 100%;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0.25rem 0 !important;
        text-align: center;
        border-bottom: 1px solid var(--color-medium-gray);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .navbar-nav {
        width: 100%;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer .row > div {
        margin-bottom: 1.5rem;
    }
    
    .footer .row > div:last-child {
        margin-bottom: 0;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-white {
    color: var(--color-white);
}

.text-black {
    color: var(--color-black);
}

.bg-white {
    background-color: var(--color-white);
}

.bg-black {
    background-color: var(--color-black);
}

.shadow-light {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

/* ===================================
   MODAL STYLES
   =================================== */
.modal-content {
    background-color: var(--color-dark-gray);
    border: 1px solid var(--color-white);
    border-radius: 20px;
    color: var(--color-off-white);
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.modal-content::-webkit-scrollbar {
    display: none;
}

.modal-header {
    border-bottom: 1px solid var(--color-medium-gray);
    padding: 1.5rem;
}

.modal-title {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.modal-body {
    padding: 2rem;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.modal-body::-webkit-scrollbar {
    display: none;
}

.modal-slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    min-height: 0;
    /* Ocultar scrollbars externos */
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.modal-slider-container::-webkit-scrollbar {
    display: none;
}

.modal-slider-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@media (max-width: 768px) {
    .modal-slider-container {
        aspect-ratio: 3/4;
        max-height: 500px;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .modal-body .row {
        flex-direction: column;
    }
    
    .modal-body .col-md-6 {
        margin-bottom: 1.5rem;
    }
}

.modal-footer {
    border-top: 1px solid var(--color-medium-gray);
    padding: 1.5rem;
    gap: 1rem;
}

/* ===================================
   CART MODAL STYLES
   =================================== */
.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-black);
    border: 1px solid var(--color-medium-gray);
    border-radius: 15px;
    transition: all var(--transition-normal);
}

.cart-item:hover {
    border-color: var(--color-white);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.cart-item-image {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cart-item-title {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.1rem;
    margin: 0;
}

.cart-item-category {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-black);
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    width: fit-content;
}

.cart-item-price {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.3rem;
    font-weight: 600;
}

.cart-item-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-medium-gray);
    border-radius: 25px;
    padding: 0.3rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: var(--color-white);
    color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quantity-btn:hover {
    background: var(--color-black);
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.quantity-display {
    font-weight: 600;
    color: var(--color-white);
    min-width: 30px;
    text-align: center;
}

.remove-item-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-gray);
    background: transparent;
    color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.remove-item-btn:hover {
    background: #ff0000;
    color: var(--color-white);
    border-color: #ff0000;
}

.cart-total-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-right: auto;
}

.cart-total-label {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.3rem;
}

.cart-total-amount {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
}

.empty-cart {
    padding: 3rem 1rem;
}

/* ===================================
   CHECKOUT MODAL STYLES
   =================================== */
.form-label {
    color: var(--color-white);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    background-color: var(--color-black);
    border: 1px solid var(--color-medium-gray);
    color: var(--color-white);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.form-control:focus {
    background-color: var(--color-black);
    border-color: var(--color-white);
    color: var(--color-white);
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.1);
}

.form-control::placeholder {
    color: var(--color-light-gray);
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-check {
    padding: 1rem;
    background: var(--color-black);
    border: 1px solid var(--color-medium-gray);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.form-check:hover {
    border-color: var(--color-white);
}

.form-check-input {
    background-color: var(--color-medium-gray);
    border-color: var(--color-gray);
}

.form-check-input:checked {
    background-color: var(--color-white);
    border-color: var(--color-white);
}

.form-check-label {
    color: var(--color-white);
    margin-left: 0.5rem;
}

.checkout-summary {
    background: var(--color-black);
    border: 1px solid var(--color-medium-gray);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.checkout-summary h6 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    color: var(--color-silver);
    border-bottom: 1px solid var(--color-medium-gray);
}

.summary-line:last-child {
    border-bottom: none;
}

.summary-line.total-line {
    border-top: 2px solid var(--color-white);
    padding-top: 1rem;
    margin-top: 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
}

/* ===================================
   CONFIRMATION MODAL STYLES
   =================================== */
.confirmation-icon {
    font-size: 5rem;
    color: var(--color-white);
    animation: scaleIn 0.5s ease;
}

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

.order-number {
    background: var(--color-black);
    border: 1px solid var(--color-white);
    border-radius: 10px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.order-number span {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-left: 0.5rem;
}

/* ===================================
   BUTTON STYLES FOR MODALS
   =================================== */
.modal .btn-primary,
#checkoutBtn {
    background: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-white);
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    border-radius: 25px;
    transition: all var(--transition-normal);
}

.modal .btn-primary:hover,
#checkoutBtn:hover:not(:disabled) {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-white);
}

#checkoutBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal .btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-gray);
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    border-radius: 25px;
    transition: all var(--transition-normal);
}

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

/* ===================================
   RESPONSIVE CART STYLES
   =================================== */
@media (max-width: 768px) {
    .cart-item {
        flex-direction: column;
    }
    
    .cart-item-image {
        width: 100%;
        height: 200px;
    }
    
    .cart-item-controls {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }
    
    .cart-total-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
}