/* ============================================
   CAIO&ERIK - ESSENCIAIS REAIS
   Design moderno e elegante com paleta azul
   ============================================ */

/* CSS Variables */
:root {
    /* Paleta Azul Principal */
    --color-primary: #0077B6;
    --color-primary-dark: #005f92;
    --color-primary-light: #00a8e8;
    --color-accent: #48cae4;
    --color-accent-light: #90e0ef;

    /* Tons neutros */
    --color-cream: #f8f9fa;
    --color-cream-dark: #e9ecef;
    --color-white: #ffffff;
    --color-black: #212529;
    --color-gray: #6c757d;
    --color-gray-light: #adb5bd;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #0077B6 0%, #00a8e8 100%);
    --gradient-hero: linear-gradient(180deg, rgba(0,119,182,0.95) 0%, rgba(0,168,232,0.9) 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);

    /* Tipografia - Playfair Display (similar ao Branch Serif) */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Raleway', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Tamanhos */
    --header-height: 120px;
    --banner-height: 44px;

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0,119,182,0.08);
    --shadow-md: 0 8px 24px rgba(0,119,182,0.12);
    --shadow-lg: 0 16px 48px rgba(0,119,182,0.16);
    --shadow-card: 0 4px 20px rgba(0,0,0,0.08);

    /* Bordas */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

/* Reset e Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   TOP BANNER
   ============================================ */
.top-banner {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    padding: 12px 40px;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.8px;
    position: relative;
    height: var(--banner-height);
    display: flex;
    align-items: center;
    justify-content: center;
}

.top-banner p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-banner p::before {
    content: '✨';
}

.banner-close {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-white);
    font-size: 1.3rem;
    opacity: 0.7;
    transition: all var(--transition-fast);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.banner-close:hover {
    opacity: 1;
    background: rgba(255,255,255,0.15);
}

.top-banner.hidden {
    display: none;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background-color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    background-color: rgba(255,255,255,0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 50px;
    height: var(--header-height);
    max-width: 1440px;
    margin: 0 auto;
}

.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 35px;
    flex: 1;
}

.nav-right {
    justify-content: flex-end;
}

.nav-left a {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--color-black);
    position: relative;
    padding: 8px 0;
}

.nav-left a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
    border-radius: 2px;
}

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

.nav-left a:hover::after {
    width: 100%;
}

.logo {
    flex: 0 0 auto;
    position: relative;
}

.logo img {
    height: 110px;
    width: auto;
    transition: all var(--transition-normal);
    /* Transformar logo clara em azul da marca */
    filter: invert(1) brightness(0.4) sepia(1) hue-rotate(170deg) saturate(6);
}

.logo:hover img {
    filter: invert(1) brightness(0.35) sepia(1) hue-rotate(170deg) saturate(7);
    transform: scale(1.03);
}

.icon-btn {
    position: relative;
    color: var(--color-black);
    padding: 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    color: var(--color-primary);
    background-color: rgba(0,119,182,0.08);
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,119,182,0.4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.mobile-menu-btn:hover {
    background-color: rgba(0,119,182,0.08);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-black);
    transition: var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background-color: var(--color-white);
    padding: 20px 50px 30px;
    border-top: 1px solid var(--color-cream-dark);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    padding: 16px 0;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--color-cream-dark);
    transition: all var(--transition-fast);
}

.mobile-menu a:hover {
    color: var(--color-primary);
    padding-left: 10px;
}

/* ============================================
   HERO SECTION (SOBRE NÓS REFORMULADO)
   ============================================ */
.hero-section {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1440px;
    margin: 0 auto;
    padding: 80px 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 25px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.hero-text h1 span {
    font-style: italic;
    display: block;
}

.hero-description {
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.92;
    margin-bottom: 20px;
    max-width: 500px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.85;
    margin-bottom: 35px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 16px 35px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--color-white);
    padding: 16px 35px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255,255,255,0.4);
    transition: all var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}

.hero-image {
    position: relative;
}

.hero-image-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.2);
    transform: rotate(2deg);
}

.hero-image-main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.hero-floating-card {
    position: absolute;
    bottom: -30px;
    left: -40px;
    background: var(--color-white);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-floating-card .icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.hero-floating-card .text h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-black);
}

.hero-floating-card .text p {
    font-size: 0.75rem;
    color: var(--color-gray);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: 80px 50px;
    background: var(--color-cream);
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    justify-content: center;
}

.feature-card {
    background: var(--color-white);
    padding: 35px 25px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-light);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0,119,182,0.1) 0%, rgba(72,202,228,0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    transform: scale(1.1) rotate(5deg);
}

.feature-card:hover .feature-icon span {
    filter: brightness(0) invert(1);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.6;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-section {
    padding: 100px 50px;
    max-width: 1440px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 400;
    color: var(--color-black);
    margin-bottom: 15px;
}

.section-title span {
    color: var(--color-primary);
    font-style: italic;
}

.section-description {
    font-size: 1rem;
    color: var(--color-gray);
    max-width: 500px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Product Card - Novo Design */
.product-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-cream-dark);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    z-index: 10;
}

/* Out of Stock Styles */
.product-badge.sold-out {
    background: #6c757d;
}

.product-card.out-of-stock {
    opacity: 0.85;
}

.product-card.out-of-stock:hover {
    transform: translateY(-4px);
}

.product-card.out-of-stock .product-image img {
    filter: grayscale(30%);
}

.product-overlay-sold {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-overlay-sold span {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 10px 25px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.btn-sold-out {
    width: 100%;
    padding: 12px 20px;
    background: #e9ecef;
    color: #6c757d;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: not-allowed;
}

/* Featured Product */
.product-card.featured {
    border: 2px solid var(--color-primary);
    box-shadow: 0 10px 40px rgba(0, 119, 182, 0.15);
}

.product-card.featured .product-badge {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.product-image {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

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

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

.product-actions {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    gap: 10px;
    opacity: 0;
    transition: all var(--transition-normal);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.action-btn {
    width: 45px;
    height: 45px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    color: var(--color-black);
}

.action-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.product-info {
    padding: 25px;
}

.product-category {
    font-size: 0.72rem;
    color: var(--color-primary);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 10px;
    line-height: 1.3;
}

.product-description {
    font-size: 0.85rem;
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: 12px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.stars {
    display: flex;
    gap: 2px;
}

.star {
    color: var(--color-cream-dark);
    font-size: 0.9rem;
}

.star.filled {
    color: #fbbf24;
}

.rating-count {
    font-size: 0.75rem;
    color: var(--color-gray-light);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 15px;
    border-top: 1px solid var(--color-cream-dark);
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price .old-price {
    font-size: 0.85rem;
    color: var(--color-gray-light);
    text-decoration: line-through;
    font-weight: 400;
    margin-left: 8px;
}

.btn-add-cart {
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 12px 22px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-add-cart:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0,119,182,0.4);
}

.btn-add-cart svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-white) 100%);
}

.testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--color-white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    position: relative;
    transition: all var(--transition-normal);
}

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

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-family: var(--font-heading);
    font-size: 5rem;
    color: var(--color-accent-light);
    line-height: 1;
    opacity: 0.5;
}

.testimonial-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 20px;
}

.testimonial-stars span {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
    font-size: 1.1rem;
}

.testimonial-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-black);
}

.testimonial-info p {
    font-size: 0.8rem;
    color: var(--color-gray-light);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 100px 50px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-container h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta-container p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   GHK-CU EDUCATIONAL SECTION
   ============================================ */
.ghk-section {
    padding: 100px 50px;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
}

.ghk-container {
    max-width: 900px;
    margin: 0 auto;
}

.ghk-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.ghk-article {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid #e9ecef;
}

.ghk-article-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.ghk-article h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--color-black);
    margin-bottom: 20px;
}

.ghk-article p {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1rem;
}

.ghk-article strong {
    color: var(--color-black);
}

.ghk-benefits-list {
    list-style: none;
    padding: 0;
}

.ghk-benefits-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--color-gray);
    line-height: 1.6;
    border-bottom: 1px solid #f0f0f0;
}

.ghk-benefits-list li:last-child {
    border-bottom: none;
}

.ghk-benefits-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.ghk-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 25px 0;
}

.ghk-step {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.ghk-step h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--color-black);
}

.ghk-step p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--color-gray);
}

.ghk-tip {
    background: linear-gradient(135deg, rgba(0,119,182,0.1) 0%, rgba(72,202,228,0.1) 100%);
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--color-primary);
    margin-top: 20px;
}

.ghk-faq {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.faq-item summary {
    padding: 18px 20px;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-black);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.3rem;
    color: var(--color-primary);
    font-weight: 300;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item summary:hover {
    background: #f0f0f0;
}

.faq-item p {
    padding: 0 20px 18px;
    margin: 0;
    color: var(--color-gray);
    line-height: 1.7;
}

.ghk-cta {
    background: var(--gradient-primary);
    padding: 50px 40px;
    border-radius: var(--radius-md);
    text-align: center;
    color: white;
}

.ghk-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.ghk-cta p {
    opacity: 0.9;
    margin-bottom: 25px;
}

.btn-ghk-cta {
    display: inline-block;
    background: white;
    color: var(--color-primary);
    padding: 16px 35px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-ghk-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    .ghk-section {
        padding: 60px 20px;
    }

    .ghk-article {
        padding: 25px;
    }

    .ghk-steps {
        grid-template-columns: 1fr;
    }

    .ghk-cta {
        padding: 35px 25px;
    }
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255,255,255,0.1);
    padding: 8px;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.newsletter-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 16px 24px;
    color: var(--color-white);
    font-size: 0.95rem;
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.6);
}

.newsletter-form input:focus {
    outline: none;
}

.btn-subscribe {
    background: var(--color-white);
    color: var(--color-primary);
    padding: 16px 30px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-subscribe:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding-top: 80px;
}

.footer-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 50px 60px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-gray-light);
    line-height: 1.8;
    margin: 20px 0 25px;
    max-width: 300px;
}

.footer-brand img {
    height: 55px;
    filter: brightness(0) invert(1);
    margin-bottom: 5px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

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

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 25px;
    color: var(--color-white);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    font-size: 0.9rem;
    color: var(--color-gray-light);
    transition: all var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--color-primary-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 25px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-gray-light);
}

.payment-methods {
    display: flex;
    gap: 15px;
    align-items: center;
}

.payment-methods span {
    font-size: 0.8rem;
    color: var(--color-gray-light);
}

.payment-icons {
    display: flex;
    gap: 10px;
}

.payment-icon {
    background: rgba(255,255,255,0.1);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

/* ============================================
   CHAT BUTTON
   ============================================ */
.chat-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 16px 24px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 8px 30px rgba(0,119,182,0.4);
    transition: all var(--transition-normal);
    z-index: 999;
}

.chat-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0,119,182,0.5);
}

.chat-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 110px;
    width: 50px;
    height: 50px;
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 998;
}

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

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 60px 30px;
    }

    .hero-text h1 {
        font-size: 2.8rem;
    }

    .hero-description {
        margin: 0 auto 20px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .logo img {
        height: 90px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 100px;
    }

    .nav-container {
        padding: 0 20px;
    }

    .nav-left {
        display: none;
    }

    .nav-right {
        gap: 10px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        padding: 15px 20px;
    }

    .logo img {
        height: 75px;
    }

    .hero-section {
        min-height: 500px;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .products-section,
    .testimonials-section,
    .cta-section {
        padding: 60px 20px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .features-section {
        padding: 50px 20px;
    }

    .features-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .feature-card {
        padding: 25px 15px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
        text-align: center;
    }

    .cta-container h2 {
        font-size: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

@media (max-width: 576px) {
    .top-banner {
        font-size: 0.72rem;
        padding: 10px 35px 10px 15px;
    }

    .top-banner p::before {
        display: none;
    }

    .logo img {
        height: 60px;
    }

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

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .chat-btn span {
        display: none;
    }

    .chat-btn {
        padding: 16px;
        border-radius: 50%;
        right: 20px;
        bottom: 20px;
    }

    .scroll-top {
        right: 20px;
        bottom: 85px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Aplicar animações aos elementos */
.product-card,
.feature-card,
.testimonial-card {
    opacity: 0;
}

.product-card.animate,
.feature-card.animate,
.testimonial-card.animate {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger para cards */
.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.15s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.25s; }

/* Smooth scroll offset */
html {
    scroll-padding-top: calc(var(--header-height) + var(--banner-height) + 20px);
}

/* Selection */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Estados de botão */
.btn-add-cart.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-add-cart.added {
    background: #10b981;
}