/* ==========================================
   Main Stylesheet - MSH Brand
   ========================================== */

/* ==========================================
   Base Styles & Reset
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

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

/* ==========================================
   Container & Layout
   ========================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==========================================
   Header & Navigation
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-desktop {
    display: none;
}

.nav-list {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-btn,
.cart-btn {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    padding: var(--spacing-sm);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--color-accent);
    color: white;
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    padding: 2px 6px;
    border-radius: var(--radius-round);
    min-width: 18px;
    text-align: center;
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.mobile-menu-toggle.active .hamburger {
    background-color: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.nav-mobile {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl) 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border);
}

.nav-mobile.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-list-mobile {
    text-align: center;
}

.nav-list-mobile li {
    margin: var(--spacing-lg) 0;
}

.nav-link-mobile {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md);
    display: inline-block;
}

/* ==========================================
   Hero Section & Carousel
   ========================================== */

.hero {
    margin-top: var(--header-height);
    position: relative;
}

.hero-carousel {
    position: relative;
    height: var(--carousel-height);
    overflow: hidden;
}

.carousel-container {
    position: relative;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow);
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
}

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

.slide-content.slide-2 {
    background: linear-gradient(135deg, #1a1a1a, var(--color-primary-dark));
}

.slide-content.slide-3 {
    background: linear-gradient(135deg, var(--color-primary), #4a90e2);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
}

.slide-text {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xl);
    max-width: 800px;
}

.slide-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-tight);
}

.slide-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-round);
    font-size: var(--font-size-lg);
    z-index: 3;
    transition: all var(--transition-base);
}

.carousel-btn:hover {
    background-color: var(--color-primary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: var(--spacing-lg);
}

.carousel-next {
    right: var(--spacing-lg);
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-md);
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-round);
    background-color: rgba(255, 255, 255, 0.5);
    transition: all var(--transition-base);
}

.indicator.active,
.indicator:hover {
    background-color: white;
    width: 30px;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-light);
    border: 2px solid var(--color-primary);
}

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

/* ==========================================
   Section Styles
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

/* ==========================================
   Categories Section
   ========================================== */

.categories {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
    gap: var(--grid-gap);
}

.category-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.card-image {
    position: relative;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    overflow: hidden;
}

.category-card:hover .card-image {
    animation: shine 1s ease;
}

@keyframes shine {
    0% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
    100% {
        filter: brightness(1);
    }
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-overlay);
}

.card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 64px;
    color: white;
    z-index: 2;
    transition: all var(--transition-base);
}

.category-card:hover .card-icon {
    transform: translate(-50%, -50%) scale(1.2) rotate(5deg);
}

.card-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Features Section
   ========================================== */

.features {
    padding: var(--spacing-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
    gap: var(--spacing-2xl);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: white;
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    box-shadow: var(--shadow-glow);
    transform: rotate(5deg) scale(1.1);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

/* ==========================================
   FAQ Section
   ========================================== */

.faq {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    cursor: pointer;
}

.faq-question i {
    transition: transform var(--transition-base);
    color: var(--color-primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(var(--grid-columns-mobile), 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.footer-text {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

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

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

.footer-links a {
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

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

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

.footer-contact i {
    color: var(--color-primary);
    margin-right: var(--spacing-sm);
}

.payment-methods {
    text-align: center;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-xl);
}

.payment-methods h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    color: var(--color-text-muted);
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
}

/* ==========================================
   WhatsApp Widget
   ========================================== */

.whatsapp-widget {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-widget:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ==========================================
   Utilities
   ========================================== */

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

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mt-3 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }
.mb-3 { margin-bottom: var(--spacing-xl); }