/**
 * Castanhaê - Stylesheet Principal
 *
 * @package Castanhae
 * @version 1.2.0
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Cores - Extraidas do logo Castanhae */
    --color-primary: #4A5240;
    --color-primary-light: #5E6652;
    --color-primary-dark: #3A4032;
    --color-accent: #C9A84C;
    --color-accent-light: #D4B96A;
    --color-accent-text: #634F13;
    --color-teal: #7BA68D;
    --color-text: #2A2A2A;
    --color-text-light: #555555;
    --color-text-muted: #666666;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F9F7F3;
    --color-bg-dark: #2A2A2A;
    --color-border: #E5E5E5;

    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Espacamento */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Header */
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

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

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

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    z-index: 10000;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-sm);
}

ul {
    list-style: none;
}

/* ============================================
   UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.875rem 2rem;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

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

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

.btn-secondary:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-sm);
    min-height: 44px;
}

.btn-whatsapp {
    background-color: #178C46;
    color: #fff;
    border-color: #178C46;
}

.btn-whatsapp:hover {
    background-color: #147A3B;
    border-color: #147A3B;
    transform: translateY(-2px);
}

.btn-email {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-email:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: box-shadow var(--transition-base);
}

/* Admin bar offset */
body.admin-bar .site-header {
    top: 32px;
}

@media (max-width: 782px) {
    body.admin-bar .site-header {
        top: 46px;
    }
}

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

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

.site-logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--color-accent);
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.footer-logo {
    height: 80px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--space-md);
}

.product-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-xs);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.is-active::after {
    transform: scaleX(1);
}

.nav-link:focus-visible,
.btn:focus-visible,
.menu-toggle:focus-visible,
.marketplace-card:focus-visible,
.social-icons a:focus-visible,
.whatsapp-float:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-base), top var(--transition-base);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

/* Hamburger Active */
.menu-toggle.active .hamburger {
    background-color: transparent;
}

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

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

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

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(201, 168, 76, 0.15) 0%, transparent 60%),
        linear-gradient(135deg, rgba(42, 42, 42, 0.88) 0%, rgba(74, 82, 64, 0.82) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-bg);
    padding: var(--space-4xl) 0;
}

.hero-title {
    font-size: clamp(2rem, 5vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, var(--font-size-xl));
    font-weight: 300;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-text);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-tag::before {
    content: '';
    display: inline-block;
    width: 28px;
    height: 2px;
    background-color: var(--color-accent);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.section-about {
    background-color: var(--color-bg);
    background-image:
        radial-gradient(circle at 80% 20%, rgba(123, 166, 141, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(201, 168, 76, 0.06) 0%, transparent 50%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 65ch;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    grid-column: 1 / -1;
}

.feature-item {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-accent);
    color: var(--color-primary);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-2xl);
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    background: var(--color-accent);
    color: var(--color-bg-dark);
    transform: scale(1.05);
}

.feature-item h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.feature-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   TRUST BAR
   ============================================ */
.section-trust {
    background-color: var(--color-primary);
    padding: var(--space-2xl) 0;
}

.trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

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

.trust-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.2;
}

.trust-number .fa-star {
    font-size: var(--font-size-lg);
}

.trust-label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--space-xs);
}

.trust-divider {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
    .trust-bar {
        gap: var(--space-xl);
    }

    .trust-divider {
        display: none;
    }

    .trust-number {
        font-size: var(--font-size-2xl);
    }
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.section-products {
    background-color: var(--color-bg-alt);
}

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

.product-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
}

.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(201, 168, 76, 0);
    transition: border-color var(--transition-base);
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.product-card:hover::after {
    border-color: rgba(201, 168, 76, 0.3);
}

.product-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-bg-alt);
}

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

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

.product-info {
    padding: var(--space-xl);
}

.product-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.product-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

/* ============================================
   MARKETPLACE SECTION
   ============================================ */
.section-marketplace {
    background-color: var(--color-bg-alt);
    background-image: radial-gradient(circle at 50% 0%, rgba(123, 166, 141, 0.08) 0%, transparent 60%);
}

.marketplace-empty {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.marketplace-empty p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.footer-social-empty {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.marketplace-hint {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-2xl);
}

.marketplace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-xl);
}

.marketplace-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-xl);
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.marketplace-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--mp-color, var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.marketplace-card:hover {
    border-color: var(--mp-color, var(--color-accent));
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.marketplace-card:focus-within {
    border-color: var(--mp-color, var(--color-accent));
    outline: none;
    box-shadow: 0 0 0 3px var(--mp-color, var(--color-accent));
}

.marketplace-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    padding: var(--space-lg) var(--space-xl);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
    transition: background-color var(--transition-base), transform var(--transition-base);
}

.marketplace-icon img {
    height: 48px;
    width: auto;
    max-width: 100%;
    pointer-events: none;
    transition: transform var(--transition-base);
    display: block;
}

.marketplace-card:hover .marketplace-icon {
    background-color: color-mix(in srgb, var(--mp-color, var(--color-accent)) 15%, white);
    transform: scale(1.1);
}

@supports not (color-mix(in srgb, red, white)) {
    .marketplace-card:hover .marketplace-icon {
        background-color: var(--color-bg);
        box-shadow: inset 0 0 0 3px var(--mp-color, var(--color-accent));
    }
}

.marketplace-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.marketplace-tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--mp-color-text, var(--color-primary));
    background-color: var(--color-bg-alt);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.marketplace-cta {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--mp-color-text, var(--color-accent-text));
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.marketplace-card:hover .marketplace-cta {
    color: var(--color-primary);
}

.marketplace-cta:hover {
    text-decoration: underline;
}

.marketplace-cta:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   CLOSING SECTION
   ============================================ */
.section-closing {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-bg);
    text-align: center;
    padding: var(--space-4xl) 0;
}

.closing-content {
    max-width: 600px;
    margin: 0 auto;
}

.closing-title {
    font-size: clamp(1.5rem, 3vw, var(--font-size-3xl));
    font-weight: 800;
    color: var(--color-bg);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.closing-intro {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.closing-text {
    font-size: var(--font-size-lg);
    opacity: 0.85;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.closing-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo-text {
    font-size: var(--font-size-2xl);
    color: var(--color-bg);
    display: block;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    line-height: 1.6;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-bg);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-contact a {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-contact li i {
    width: 16px;
    opacity: 0.5;
}

.social-icons {
    display: flex;
    gap: var(--space-md);
}

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    transition: background-color var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.social-icons a:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    opacity: 0.5;
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #178C46;
    color: #fff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(23, 140, 70, 0.4);
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(23, 140, 70, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(23, 140, 70, 0); }
    100% { box-shadow: 0 0 0 0 rgba(23, 140, 70, 0); }
}

/* ============================================
   ANIMATIONS (Intersection Observer)
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .btn:hover,
    .product-card:hover,
    .product-card:hover .product-image img {
        transform: none;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-bg);
        box-shadow: var(--shadow-xl);
        padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
        transition: right var(--transition-base);
        z-index: 999;
    }

    /* Admin bar offset for mobile nav */
    body.admin-bar .main-nav {
        top: 46px;
    }

    .main-nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .marketplace-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .marketplace-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
.nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}