/**
 * ============================================
 * REDUCA - MAIN STYLESHEET
 * ============================================
 * 
 * Robótica Educativa para Niños
 * Diseño moderno, divertido y profesional
 * 
 * @version 1.0.0
 */

/* ============================================
   CSS VARIABLES - BRAND COLORS
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #473389;           /* Morado principal */
    --color-primary-dark: #362768;      /* Morado oscuro */
    --color-primary-light: #5a44a3;     /* Morado claro */
    
    /* Secondary Colors */
    --color-secondary: #428AC6;         /* Azul vibrante */
    --color-secondary-dark: #0677b8;    /* Azul oscuro */
    --color-secondary-light: #29a8f0;   /* Azul claro */
    
    /* Accent Colors */
    --color-accent: #FCC314;            /* Amarillo */
    --color-accent-dark: #e09d00;       /* Naranja oscuro */
    --color-accent-light: #ffc234;      /* Naranja claro */

    /* Base Colors */
    --color-dark: #1D1D1B;              /* Negro base */
    --color-white: #FFFFFF;             /* Blanco */

    /* Neutral Grays */
    --color-gray-900: #1D1D1B;
    --color-gray-800: #2d2d2a;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #737373;
    --color-gray-400: #a3a3a3;
    --color-gray-300: #d4d4d4;
    --color-gray-200: #e5e5e5;
    --color-gray-100: #f5f5f5;
    --color-gray-50: #fafafa;

    /* Status Colors */
    --color-success: #22c55e;
    --color-warning: #FCC314;
    --color-error: #ef4444;
    --color-info: #428AC6;

    /* Gradient Combinations */
    --gradient-primary: linear-gradient(135deg, #473389 0%, #5A5299 100%);
    --gradient-accent: linear-gradient(135deg, #FCC314 0%, #ff8c00 100%);
    --gradient-fun: linear-gradient(135deg, #473389 0%, #428AC6 50%, #FCC314 100%);
    
    /* Typography - Fun & Modern */
    --font-family: 'Nunito', 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-display: 'Fredoka One', 'Nunito', cursive;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius - Rounded & Friendly */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows - Softer & Playful */
    --shadow-sm: 0 2px 4px rgba(71, 51, 137, 0.08);
    --shadow-md: 0 4px 12px rgba(71, 51, 137, 0.12);
    --shadow-lg: 0 8px 24px rgba(71, 51, 137, 0.16);
    --shadow-xl: 0 16px 48px rgba(71, 51, 137, 0.2);
    --shadow-glow: 0 0 30px rgba(7, 147, 224, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1rem;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   BUTTONS - Fun & Interactive
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 700;
    line-height: 1.5;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

.btn--secondary {
    background: var(--color-secondary);
}

.btn--accent {
    background: var(--gradient-accent);
    color: var(--color-dark);
}

.btn--outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--block {
    display: flex;
    width: 100%;
}

.btn--lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-base);
}

/* ============================================
   HEADER - TOP BAR (Dark Strip)
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.header-top {
    background-color: var(--color-dark);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) 0;
}

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

.header-top__right {
    display: flex;
    gap: var(--spacing-md);
    margin-left: auto;
}

.header-top__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    transition: all var(--transition-fast);
    font-weight: 600;
}

.header-top__link:hover {
    color: var(--color-accent);
}

.header-top__icon {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Top Bar - Left section with text and social */
.header-top__left {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-top__text {
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* Social Links */
.header-top__social {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding-left: var(--spacing-md);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.header-top__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.header-top__social-link:hover {
    background: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-2px);
}

.header-top__social-link svg {
    width: 14px;
    height: 14px;
}

/* Contact link special style */
.header-top__link--contact {
    color: var(--color-accent);
    font-weight: 700;
}

.header-top__link--contact:hover {
    color: var(--color-white);
}

.header-top__link--contact .header-top__icon {
    fill: none;
    stroke: currentColor;
}

/* Divider */
.header-top__divider {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

@media (min-width: 768px) {
    .header-top__left {
        display: flex;
    }
    
    .header-top__right {
        margin-left: 0;
    }
}

@media (min-width: 992px) {
    .header-top__social {
        gap: var(--spacing-sm);
    }
    
    .header-top__social-link {
        width: 30px;
        height: 30px;
    }
    
    .header-top__social-link svg {
        width: 16px;
        height: 16px;
    }
}

/* ============================================
   HEADER - MAIN (Logo, Search, Cart)
   ============================================ */
.header-main {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-white);
}

.header-main .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-logo {
    flex-shrink: 0;
}

.header-logo__img {
    height: 50px;
    width: auto;
}

/* ============================================
   HEADER - SEARCH (Colorful)
   ============================================ */
.header-search {
    flex: 1;
    max-width: 600px;
    display: none;
}

.search-form {
    display: flex;
    border: 3px solid var(--color-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: all var(--transition-base);
    background: var(--color-white);
}

.search-form:focus-within {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow);
}

.search-form__select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-right: 2px solid var(--color-gray-200);
    background-color: var(--color-gray-100);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    display: none;
}

.search-form__input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    outline: none;
    font-size: var(--font-size-base);
    min-width: 0;
}

.search-form__input::placeholder {
    color: var(--color-gray-400);
}

.search-form__btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.search-form__btn:hover {
    background: var(--color-secondary);
}

@media (min-width: 768px) {
    .header-search {
        display: block;
    }
    
    .search-form__select {
        display: block;
    }
}

/* ============================================
   HEADER - CART (Accent Color)
   ============================================ */
.header-cart {
    margin-left: auto;
}

.header-cart__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
    color: var(--color-dark);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.header-cart__link:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.header-cart__count {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 12px;
    font-weight: 700;
    line-height: 22px;
    text-align: center;
    background: var(--color-accent);
    color: var(--color-dark);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px rgba(255, 177, 2, 0.4);
}

.header-cart__text {
    display: none;
    font-size: var(--font-size-sm);
    font-weight: 700;
}

@media (min-width: 768px) {
    .header-cart__link {
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .header-cart__count {
        position: static;
        box-shadow: none;
    }
    
    .header-cart__text {
        display: block;
    }
}

/* ============================================
   HEADER - MOBILE SEARCH
   ============================================ */
.header-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
}

.header-search-toggle:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.header-search-toggle:active {
    transform: scale(0.95);
}

/* Mobile Search Bar */
.header-search-mobile {
    max-height: 0;
    overflow: hidden;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    transition: max-height 0.3s ease, padding 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-search-mobile.active {
    max-height: 100px;
    padding: var(--spacing-md) 0;
}

.mobile-search-form {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs);
}

.mobile-search-form__input {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    outline: none;
}

.mobile-search-form__input::placeholder {
    color: var(--color-gray-400);
}

.mobile-search-form__btn,
.mobile-search-form__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mobile-search-form__btn:hover,
.mobile-search-form__close:hover {
    background: var(--color-secondary);
    transform: scale(1.05);
}

.mobile-search-form__btn:active,
.mobile-search-form__close:active {
    transform: scale(0.95);
}

.mobile-search-form__close {
    background: var(--color-gray-300);
    color: var(--color-dark);
}

.mobile-search-form__close:hover {
    background: var(--color-gray-400);
}

/* Hide on desktop */
@media (min-width: 768px) {
    .header-search-toggle {
        display: none;
    }

    .header-search-mobile {
        display: none;
    }
}

/* ============================================
   HEADER - MOBILE MENU TOGGLE
   ============================================ */
.header-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: var(--spacing-sm);
    width: 40px;
    height: 40px;
}

.header-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.header-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.header-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 992px) {
    .header-menu-toggle {
        display: none;
    }
}

/* ============================================
   HEADER - NAVIGATION (Purple Gradient)
   ============================================ */
.header-nav {
    background: var(--gradient-primary);
    display: none;
    position: relative;
}

.header-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.nav-menu__item {
    position: relative;
}

.nav-menu__link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-white);
    font-weight: 700;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu__link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--color-accent);
    transition: all var(--transition-base);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.nav-menu__link:hover {
    color: var(--color-accent);
}

.nav-menu__link:hover::after {
    width: 80%;
}

.nav-menu__link--categories {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    margin-right: var(--spacing-sm);
}

.nav-menu__link--categories:hover {
    background: var(--color-accent);
    color: var(--color-dark);
}

.nav-menu__link--categories:hover::after {
    display: none;
}

/* Dropdown */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
    padding: var(--spacing-sm) 0;
    border-top: 3px solid var(--color-accent);
}

.nav-menu__item--dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown li a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-dropdown li a::before {
    content: "→";
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    color: var(--color-primary);
}

.nav-dropdown li a:hover {
    background: linear-gradient(90deg, var(--color-gray-50) 0%, transparent 100%);
    color: var(--color-primary);
    padding-left: var(--spacing-xl);
}

.nav-dropdown li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

@media (min-width: 992px) {
    .header-nav {
        display: block;
    }
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    overflow: hidden;
}

.mobile-menu__close {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mobile-menu__close svg {
    display: block;
    width: 24px;
    height: 24px;
}

.mobile-menu__logo {
    max-width: 200px;
    height: 36px;
    object-fit: contain;
    flex-shrink: 1;
}

@media (min-width: 480px) {
    .mobile-menu__logo {
        max-width: 220px;
        height: 40px;
    }
}

@media (max-width: 360px) {
    .mobile-menu__logo {
        max-width: 160px;
        height: 32px;
    }
}

.mobile-menu__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.mobile-menu__nav > ul > li > a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-menu__nav .submenu {
    padding-left: var(--spacing-md);
    display: none;
}

.mobile-menu__nav .has-submenu.open .submenu {
    display: block;
}

.mobile-menu__nav .submenu a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.mobile-menu__footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-menu__overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu__overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   FOOTER - Professional & Fun
   ============================================ */
.site-footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    position: relative;
}

.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-fun);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 576px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--spacing-md);
    /* Logo ya tiene colores correctos, no necesita filtro */
}

.footer-text {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(71, 51, 137, 0.3);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.footer-social__link:hover {
    background: var(--color-accent);
    color: var(--color-dark);
    transform: translateY(-3px);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links a::before {
    content: "→";
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    color: var(--color-accent);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: var(--spacing-sm);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* Newsletter (Integrated Column) */
.footer-newsletter-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-newsletter-input {
    width: 100%;
    height: 42px;
    padding: 0 16px;
    font-size: 14px;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.footer-newsletter-input::placeholder {
    color: var(--color-gray-500);
}

.footer-newsletter-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.1);
}

.footer-newsletter-btn {
    width: 100%;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    border: none;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-dark);
    background: var(--color-accent);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.footer-newsletter-btn:hover {
    transform: translateY(-2px);
    background: var(--color-white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

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

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
}

/* ============================================
   SECTIONS - With Fun Decorations
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section__title::after {
    content: '';
    display: block;
    width: 80px;
    height: 5px;
    background: var(--gradient-primary);
    margin: var(--spacing-md) auto 0;
    border-radius: var(--radius-full);
}

@media (min-width: 768px) {
    .section__title {
        font-size: var(--font-size-4xl);
    }
}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (min-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
    }
}

.products-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-gray-500);
}

/* ============================================
   TABS
   ============================================ */
.tabs__nav {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    -webkit-overflow-scrolling: touch;
}

.tabs__btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tabs__btn:hover {
    background-color: var(--color-gray-200);
}

.tabs__btn--active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.tabs__panel {
    display: none;
}

.tabs__panel--active {
    display: block;
}

/* ============================================
   MODALS - Auth Forms
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(29, 29, 27, 0.8); /* Darker overlay */
    backdrop-filter: blur(5px);
}

.modal__container {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--color-white);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow-x: visible; /* Allow close button to overlap */
    overflow-y: auto; /* Enable inner scroll for long content */
    max-height: calc(100vh - 48px); /* Keep within viewport */
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-base);
    padding: 40px 32px;
}

.modal.active .modal__container {
    transform: translateY(0) scale(1);
}

.modal__container--wide {
    max-width: 600px;
}

@media (max-width: 480px) {
    .modal {
        padding: var(--spacing-sm);
    }
    .modal__container {
        padding: 24px 16px;
        border-radius: 18px;
        max-height: calc(100vh - 32px);
    }
    .auth-form__row {
        gap: 16px;
    }
    .auth-form__group {
        margin-bottom: 16px;
    }
    .modal__divider {
        margin-bottom: 20px;
    }
}

.modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    border-radius: 50%;
    z-index: 10;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.modal__close:hover {
    background: var(--color-error);
    color: var(--color-white);
    transform: rotate(90deg);
}

.modal__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
    text-align: center;
    letter-spacing: -0.5px;
}

.modal__divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.modal__divider span {
    font-size: 14px;
    color: var(--color-gray-500);
    background: var(--color-white);
    padding: 0 10px;
    position: relative;
}

/* ============================================
   AUTH FORM STYLES
   ============================================ */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.auth-form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 480px) {
    .auth-form__row {
        grid-template-columns: 1fr 1fr;
    }
}

.auth-form__group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-form__label {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-dark);
    margin-left: 4px;
}

.auth-form__input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: 15px;
    color: var(--color-dark);
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.auth-form__input::placeholder {
    color: var(--color-gray-400);
}

.auth-form__input:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(71, 51, 137, 0.1);
}

.auth-form__hint {
    font-size: 13px;
    color: var(--color-primary);
    text-align: right;
    text-decoration: none;
    font-weight: 600;
    margin-top: 4px;
}

.auth-form__hint:hover {
    text-decoration: underline;
}

.auth-form__btn {
    width: 100%;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    color: var(--color-white);
    background: var(--gradient-primary);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
    box-shadow: 0 4px 12px rgba(71, 51, 137, 0.25);
}

.auth-form__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(71, 51, 137, 0.35);
}

.auth-form__btn:active {
    transform: translateY(0);
}

/* Checkbox Styles */
.custom-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.custom-checkbox__mark {
    height: 22px;
    width: 22px;
    min-width: 22px;
    background-color: var(--color-gray-100);
    border: 2px solid var(--color-gray-300);
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
}

.custom-checkbox input:checked ~ .custom-checkbox__mark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.custom-checkbox__mark:after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .custom-checkbox__mark:after {
    display: block;
}

.custom-checkbox__text {
    font-size: 13px;
    color: var(--color-gray-600);
    line-height: 1.4;
}

.custom-checkbox__text a {
    color: var(--color-primary);
    font-weight: 700;
}

.auth-form__switch {
    text-align: center;
    font-size: 15px;
    color: var(--color-gray-600);
    margin-top: 24px;
}

.auth-form__switch a {
    color: var(--color-secondary);
    font-weight: 800;
    margin-left: 4px;
}

.auth-form__switch a:hover {
    text-decoration: underline;
}

/* Error/Success States */
.auth-form__input.error {
    border-color: var(--color-error);
    background: #fef2f2;
}

.auth-form__input.success {
    border-color: var(--color-success);
}

.auth-form__error {
    padding: 12px;
    border-radius: 8px;
    background: #fef2f2;
    color: var(--color-error);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
    border: 1px solid #fecaca;
}

/* Form Loading State */
.auth-form.loading .auth-form__btn {
    opacity: 0.8;
    cursor: not-allowed;
}

.auth-form.loading .auth-form__btn::after {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-left: var(--spacing-sm);
}

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