:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary: #3b82f6;
    --whatsapp: #25D366;
    --whatsapp-hover: #128C7E;
    --text-main: #f8fafc;
    --text-muted: #cbd5e1;
    --border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background animated gradients */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.4;
}

body::before {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite alternate;
}

body::after {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -50px;
    right: -50px;
    animation: float 8s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% {
        transform: translateY(0) scale(1);
    }

    100% {
        transform: translateY(40px) scale(1.1);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Glass Header */
.glass-header {
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

/* Page Section Management */
.page-section {
    animation: fadeIn 0.5s ease-out forwards;
    padding: 5rem 0;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero */
.hero {
    height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #111;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:hover {
    background: var(--whatsapp-hover);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

/* General Layout Elements */
.section-title {
    font-size: 3rem;
    margin-bottom: 3.5rem;
    text-align: center;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Products Layout */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.product-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background-color: #1e293b;
    border-bottom: 1px solid var(--border);
}

.product-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

.product-info .btn {
    margin-top: auto;
    width: 100%;
}

/* Product Detail Page */
.product-detail-wrapper {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    animation: fadeIn 0.5s ease-out;
}

@media (min-width: 900px) {
    .product-detail-wrapper {
        flex-direction: row;
        align-items: flex-start;
    }
}

.detail-image-container {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--glass-shadow);
}

.detail-image {
    width: 100%;
    height: 100%;
    max-height: 500px;
    object-fit: cover;
    display: block;
}

.detail-info-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.detail-price {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

.detail-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.detail-features {
    list-style: none;
    margin-top: 1rem;
}

.detail-features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-main);
}

.detail-features li::before {
    content: '✓';
    color: var(--whatsapp);
    font-weight: bold;
}

.detail-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.detail-actions .btn {
    flex: 1;
    min-width: 200px;
}

/* Accordion for FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
    border-radius: 14px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    font-weight: 500;
    transition: background 0.3s;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.05);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
    color: var(--secondary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 2rem;
    color: var(--text-muted);
}

.faq-item.open .faq-answer {
    padding-bottom: 1.5rem;
    padding-top: 1rem;
}

/* Mobile & Footer */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

footer {
    text-align: center;
    padding: 2.5rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(15px);
        padding: 2rem 0;
        text-align: center;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.active {
        display: flex;
    }

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

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

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