/**
 * 3D da Matta - Design System CSS
 * Modern, Professional, Dark Theme
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.5);

    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #ec4899;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-max: 1400px;
    --section-padding: 100px;
    --header-height: 80px;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

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

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 8px 0;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-normal);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ============================================
   HERO / CAROUSEL
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: var(--header-height);
}

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

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

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

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(10, 10, 15, 0.9) 0%,
            rgba(10, 10, 15, 0.7) 50%,
            rgba(10, 10, 15, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero-badge span {
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.carousel-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 12px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.carousel-dot.active {
    background: var(--accent-primary);
    box-shadow: 0 0 20px var(--accent-primary);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

.btn-outline:hover {
    background: var(--accent-primary);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ============================================
   CATEGORIES FILTER
   ============================================ */
.categories-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.category-btn {
    padding: 12px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-btn:hover,
.category-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

/* ============================================
   PRODUCTS GRID
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-secondary);
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badges {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    gap: 8px;
}

.product-badge {
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-badge.new {
    background: var(--accent-gradient);
    color: white;
}

.product-badge.promo {
    background: var(--success);
    color: white;
}

.product-content {
    padding: 24px;
}

.product-category {
    font-size: 0.8rem;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
}

.price-current {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
}

.price-old {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price-consult {
    font-size: 1rem;
    color: var(--text-muted);
}

.product-actions {
    display: flex;
    gap: 12px;
}

.product-actions .btn {
    flex: 1;
    padding: 12px;
    font-size: 0.875rem;
}

/* ============================================
   PRODUCT DETAIL
   ============================================ */
.product-detail {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: var(--section-padding);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + 40px);
}

.product-main-image {
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

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

.product-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.product-info .product-category {
    font-size: 1rem;
    margin-bottom: 20px;
}

.product-info .product-price {
    margin-bottom: 24px;
}

.product-info .price-current {
    font-size: 2.5rem;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.product-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.product-features {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.product-features h3 {
    font-size: 1rem;
    margin-bottom: 16px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.feature-item span {
    font-size: 1.2rem;
}

/* ============================================
   QUOTE FORM
   ============================================ */
.quote-section {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.quote-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.quote-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.quote-content p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.quote-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.benefit-item span {
    font-size: 1.5rem;
}

.quote-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    appearance: none;
    background-color: rgba(255, 255, 255, 0.05) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23fff'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    cursor: pointer;
    color: var(--text-primary) !important;
}

/* Estilo para opções do select */
select.form-control option {
    background-color: #1a1a24 !important;
    color: #ffffff !important;
    padding: 12px;
}

select.form-control option:nth-child(even) {
    background-color: #12121a !important;
}

select.form-control option:checked,
select.form-control option:hover {
    background-color: #6366f1 !important;
    color: #ffffff !important;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.file-upload {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.file-upload:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.file-upload input {
    display: none;
}

.file-upload-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.file-upload-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 300px;
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
}

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

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.contact-item span {
    font-size: 1.2rem;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 16px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .quote-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
        --header-height: 70px;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

.hidden {
    display: none;
}