/**
 * BrickVault - LEGO Collection Website
 * Main Stylesheet
 *
 * Color Palette:
 * - Primary Red: #E3000B (LEGO Red)
 * - Primary Yellow: #FFCF00 (LEGO Yellow)
 * - Primary Blue: #006DB7 (LEGO Blue)
 * - Green: #00852B (LEGO Green)
 * - Dark: #1A1A1A
 * - Light: #FFFFFF
 */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Colors */
    --color-primary: #E3000B;
    --color-primary-dark: #B8000A;
    --color-primary-light: #FF1A24;

    --color-secondary: #FFCF00;
    --color-secondary-dark: #E6BA00;
    --color-secondary-light: #FFD633;

    --color-accent-blue: #006DB7;
    --color-accent-green: #00852B;
    --color-accent-orange: #F57D20;

    --color-dark: #1A1A1A;
    --color-dark-light: #2D2D2D;
    --color-gray-900: #333333;
    --color-gray-700: #555555;
    --color-gray-500: #888888;
    --color-gray-300: #CCCCCC;
    --color-gray-100: #F5F5F5;
    --color-white: #FFFFFF;

    --color-whatsapp: #25D366;
    --color-whatsapp-dark: #128C7E;

    --color-success: #00852B;
    --color-warning: #FFCF00;
    --color-error: #E3000B;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --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;
    --font-size-6xl: 3.75rem;

    --font-weight-normal: 400;
    --font-weight-medium: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;

    --line-height-tight: 1.1;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* 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;
    --spacing-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow-primary: 0 0 30px rgba(227, 0, 11, 0.3);
    --shadow-glow-yellow: 0 0 30px rgba(255, 207, 0, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

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

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

.text--accent {
    color: var(--color-primary);
}

.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
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn .icon {
    width: 1.25em;
    height: 1.25em;
    flex-shrink: 0;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn--outline {
    background: transparent;
    color: var(--color-dark);
    border: 2px solid var(--color-dark);
}

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

.btn--whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

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

.btn--small {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.btn--full {
    width: 100%;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

.header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent);
    opacity: 1;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.header.scrolled::before {
    opacity: 0;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) 0;
}

.header--solid {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.header--solid::before {
    display: none;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 10;
}

.logo__brick {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: var(--border-radius-sm);
    position: relative;
    box-shadow: var(--shadow-md);
}

.logo__brick::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
}

.logo__text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-black);
    color: var(--color-white);
    transition: color var(--transition-base);
}

.header.scrolled .logo__text,
.header--solid .logo__text {
    color: var(--color-dark);
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav__link {
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    position: relative;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.header.scrolled .nav__link,
.header--solid .nav__link {
    color: var(--color-dark);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--border-radius-full);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__item--cta .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    z-index: 10;
}

.toggle__bar {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}

.header.scrolled .toggle__bar,
.header--solid .toggle__bar {
    background: var(--color-dark);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--spacing-xl) var(--spacing-xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__link {
        color: var(--color-dark);
        font-size: var(--font-size-lg);
    }

    .nav__item--cta {
        margin-top: auto;
        width: 100%;
    }

    .nav__item--cta .btn {
        width: 100%;
    }

    .nav__toggle.active .toggle__bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active .toggle__bar:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active .toggle__bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(227, 0, 11, 0.9) 0%,
        rgba(227, 0, 11, 0.7) 50%,
        rgba(255, 207, 0, 0.8) 100%
    );
    z-index: 1;
}

.hero__media {
    position: absolute;
    inset: 0;
}

.hero__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__media video,
.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Animated LEGO Bricks Background */
.lego-bricks {
    position: relative;
    width: 100%;
    height: 100%;
}

.brick {
    position: absolute;
    width: 80px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    opacity: 0.3;
}

.brick::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 10px;
    width: 20px;
    height: 14px;
    background: inherit;
    border-radius: 3px 3px 0 0;
}

.brick::after {
    content: '';
    position: absolute;
    top: -10px;
    right: 10px;
    width: 20px;
    height: 14px;
    background: inherit;
    border-radius: 3px 3px 0 0;
}

.brick--red { background: var(--color-primary); }
.brick--yellow { background: var(--color-secondary); }
.brick--blue { background: var(--color-accent-blue); }
.brick--green { background: var(--color-accent-green); }

.lego-bricks .brick:nth-child(1) {
    top: 10%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.lego-bricks .brick:nth-child(2) {
    top: 20%;
    right: 15%;
    animation: float 8s ease-in-out infinite 1s;
}

.lego-bricks .brick:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation: float 7s ease-in-out infinite 2s;
}

.lego-bricks .brick:nth-child(4) {
    bottom: 15%;
    right: 25%;
    animation: float 9s ease-in-out infinite 0.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-4xl) 0;
}

.hero__title {
    font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
    font-weight: var(--font-weight-black);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
}

.title__line {
    display: block;
}

.title__line--accent {
    color: var(--color-secondary);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
    font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-2xl));
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    opacity: 0.8;
    z-index: 2;
}

.scroll__indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-white);
    border-radius: var(--border-radius-full);
    position: relative;
}

.scroll__indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-white);
    border-radius: var(--border-radius-full);
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateX(-50%) translateY(12px);
        opacity: 0.3;
    }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-lg);
    background: var(--color-secondary);
    color: var(--color-dark);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section__title {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
    font-weight: var(--font-weight-black);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    max-width: 600px;
    margin: 0 auto;
}

.section__footer {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ============================================
   FEATURED PRODUCTS
   ============================================ */
.featured {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-100);
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.products__grid--full {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* Product Card */
.product-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.product-card__image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-gray-100);
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
    transform: scale(1.08);
}

.product-card__badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
}

.product-card__badge--new {
    background: var(--color-accent-green);
}

.product-card__badge--rare {
    background: var(--color-secondary);
    color: var(--color-dark);
}

.product-card__quick-view {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.product-card:hover .product-card__quick-view {
    opacity: 1;
    transform: translateY(0);
}

.product-card__quick-view:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.product-card__quick-view .icon {
    width: 20px;
    height: 20px;
}

.product-card__content {
    padding: var(--spacing-lg);
}

.product-card__category {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.product-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
    line-height: var(--line-height-tight);
}

.product-card__reference {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-card__price {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
}

.product-card__condition {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.condition__dot {
    width: 8px;
    height: 8px;
    border-radius: var(--border-radius-full);
    background: var(--color-accent-green);
}

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

.condition__dot--fair {
    background: var(--color-accent-orange);
}

/* Image Placeholder */
.image__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-300) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ============================================
   CATEGORIES SECTION
   ============================================ */
.categories {
    padding: var(--spacing-4xl) 0;
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
}

.category__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-base);
}

.category__card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category__icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.category__card:hover .category__icon {
    background: var(--color-secondary);
    transform: rotate(-5deg) scale(1.1);
}

.category__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.category__card:hover .category__icon svg {
    color: var(--color-dark);
}

.category__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.category__count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   ABOUT PREVIEW SECTION
   ============================================ */
.about-preview {
    padding: var(--spacing-4xl) 0;
    background: var(--color-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.about-preview__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

@media (max-width: 768px) {
    .about-preview__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

.about-preview__text .section__tag {
    background: var(--color-primary);
    color: var(--color-white);
}

.about-preview__text .section__title {
    color: var(--color-white);
}

.about-preview__text p {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.about-preview__text .btn--outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.about-preview__text .btn--outline:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

.about-preview__visual {
    position: relative;
}

.visual__frame {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.frame__placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--color-gray-700) 0%, var(--color-gray-900) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
}

.visual__decoration {
    position: absolute;
    inset: -20px;
    pointer-events: none;
}

.brick--floating {
    position: absolute;
    width: 60px;
    height: 40px;
    opacity: 0.8;
}

.visual__decoration .brick:nth-child(1) {
    top: -10px;
    right: 20%;
    animation: float 5s ease-in-out infinite;
}

.visual__decoration .brick:nth-child(2) {
    bottom: 10%;
    left: -20px;
    animation: float 7s ease-in-out infinite 1s;
}

.visual__decoration .brick:nth-child(3) {
    bottom: -10px;
    right: 10%;
    animation: float 6s ease-in-out infinite 2s;
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    padding: 140px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header__title {
    font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-5xl));
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-md);
}

.page-header__subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.page-header__decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.page-header__decoration .brick {
    opacity: 0.2;
}

.page-header__decoration .brick:nth-child(1) {
    top: 20%;
    left: 5%;
    animation: float 6s ease-in-out infinite;
}

.page-header__decoration .brick:nth-child(2) {
    top: 40%;
    right: 10%;
    animation: float 8s ease-in-out infinite 1s;
}

.page-header__decoration .brick:nth-child(3) {
    bottom: 20%;
    left: 15%;
    animation: float 7s ease-in-out infinite 2s;
}

/* ============================================
   FILTERS SECTION
   ============================================ */
.filters {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-100);
    position: sticky;
    top: 60px;
    z-index: var(--z-sticky);
}

.filters__wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    align-items: center;
}

.filters__search {
    position: relative;
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.filters__search .icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-gray-500);
}

.filters__input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 48px;
    border: 2px solid var(--color-gray-100);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.filters__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(227, 0, 11, 0.1);
}

.filters__categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter__btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.filter__btn:hover {
    background: var(--color-gray-300);
}

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

.filters__sort {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.filters__sort label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    white-space: nowrap;
}

.filters__select {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filters__select:focus {
    outline: none;
    border-color: var(--color-primary);
}

@media (max-width: 768px) {
    .filters__wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .filters__search {
        max-width: none;
    }

    .filters__categories {
        justify-content: center;
    }

    .filters__sort {
        justify-content: center;
        margin-left: 0;
    }
}

/* ============================================
   COLLECTION PAGE
   ============================================ */
.collection {
    padding: var(--spacing-3xl) 0 var(--spacing-4xl);
    background: var(--color-gray-100);
    min-height: 50vh;
}

.collection__stats {
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
}

.collection__stats span {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.collection__empty {
    text-align: center;
    padding: var(--spacing-4xl);
}

.empty__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-gray-300);
}

.empty__icon svg {
    width: 100%;
    height: 100%;
}

.collection__empty h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.collection__empty p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about {
    padding: var(--spacing-4xl) 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-4xl);
}

@media (max-width: 992px) {
    .about__grid {
        grid-template-columns: 1fr;
    }
}

.about__section {
    margin-bottom: var(--spacing-3xl);
}

.about__section:last-child {
    margin-bottom: 0;
}

.about__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.title__accent {
    color: var(--color-primary);
}

.about__content p {
    color: var(--color-gray-700);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.about__features {
    display: grid;
    gap: var(--spacing-xl);
}

.feature {
    display: flex;
    gap: var(--spacing-lg);
}

.feature__icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.feature__content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.feature__content p {
    color: var(--color-gray-700);
    font-size: var(--font-size-base);
    margin-bottom: 0;
}

/* Sidebar */
.about__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar__card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.card__image .image__placeholder {
    aspect-ratio: 1;
}

.sidebar__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    background: var(--color-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    color: var(--color-white);
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-xs);
}

.stat__label {
    font-size: var(--font-size-xs);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar__cta {
    background: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.sidebar__cta h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.sidebar__cta p {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-100);
}

.faq__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.faq__item {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.faq__question {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.faq__answer {
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   VIDEO SECTION
   ============================================ */
.video-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-gray-100);
}

.video__wrapper {
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--color-dark);
}

.video__wrapper:last-of-type {
    margin-bottom: var(--spacing-xl);
}

.video__wrapper iframe,
.video__wrapper video {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
}

.video__placeholder {
    aspect-ratio: 16 / 9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    color: var(--color-gray-500);
    gap: var(--spacing-md);
}

.video__placeholder svg {
    width: 80px;
    height: 80px;
    opacity: 0.5;
}

.video__placeholder p {
    font-size: var(--font-size-lg);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.cta__content {
    text-align: center;
}

.cta__title {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
    font-weight: var(--font-weight-black);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.cta__text {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    opacity: 0.8;
    margin-bottom: var(--spacing-2xl);
}

.cta__buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.whatsapp-float .icon {
    width: 32px;
    height: 32px;
}

.whatsapp-float__text {
    position: absolute;
    right: 70px;
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
    pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__text {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 56px;
        height: 56px;
    }

    .whatsapp-float__text {
        display: none;
    }
}

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

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

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

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

.modal__close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 44px;
    height: 44px;
    background: var(--color-gray-100);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

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

.modal__close svg {
    width: 24px;
    height: 24px;
}

.modal__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
    .modal__body {
        grid-template-columns: 1fr;
    }
}

.modal__gallery {
    padding: var(--spacing-xl);
    background: var(--color-gray-100);
}

.gallery__main {
    aspect-ratio: 4/3;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery__thumbnails {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.gallery__thumb,
.gallery__thumbnails .thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    padding: 0;
    background: var(--color-white);
}

.gallery__thumb.active,
.gallery__thumb:hover,
.gallery__thumbnails .thumbnail.active,
.gallery__thumbnails .thumbnail:hover {
    opacity: 1;
    border-color: var(--color-primary);
}

.gallery__thumb img,
.gallery__thumbnails .thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal__info {
    padding: var(--spacing-2xl);
}

.modal__category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--border-radius-full);
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.modal__title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--spacing-xs);
}

.modal__reference {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xl);
}

.modal__details {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-gray-100);
}

.detail {
    display: flex;
    flex-direction: column;
}

.detail__label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.detail__value {
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.modal__description {
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
}

.modal__price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.price__label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.price__value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

@media (max-width: 992px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.footer__logo .logo__text {
    color: var(--color-white);
}

.footer__tagline {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

@media (max-width: 576px) {
    .footer__social {
        justify-content: center;
    }
}

.social__link {
    width: 40px;
    height: 40px;
    background: var(--color-dark-light);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.social__link svg {
    width: 20px;
    height: 20px;
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

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

.footer__links a {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

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

.footer__contact p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

/* Simple centered footer */
.footer__simple {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__simple .footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer__simple .footer__contact {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-dark-light);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

@media (max-width: 768px) {
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

.footer__copyright {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.footer__disclaimer {
    color: var(--color-gray-700);
    font-size: var(--font-size-xs);
}

.footer__legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__legal a {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   LOADING STATE
   ============================================ */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-4xl);
}

.loading__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-100);
    border-top-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    animation: spin 1s linear infinite;
}

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

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .footer,
    .whatsapp-float,
    .filters {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .product-card {
        break-inside: avoid;
    }
}