/* 
  @section: Global Variables
  @desc: Definição de cores, fontes e espaçamentos padrão baseados no design system.
*/
:root {
    --primary: #22c55e;
    --primary-container: #22c55e;
    --on-primary-fixed: #00210e;
    --background: #0a0a0a;
    --on-background: #f2f2f2;
    --surface: #0f1110;
    --on-surface: #f2f2f2;
    --surface-container: #141615;
    --surface-container-high: #1a1c1b;
    --surface-container-highest: #222423;
    --outline-variant: #323934;
    --error-container: #93000a;
    --on-error-container: #ffdad6;
    --secondary-container: #166534;
    --on-secondary-container: #f0fff4;
    --on-surface-variant: #e1e3e1;
    
    --font-headline: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --margin-desktop: 64px;
    --margin-mobile: 16px;
    --container-max: 1280px;
}

/* 
  @section: Reset & Base Styles
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--background);
    color: var(--on-background);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    overflow-x: hidden;
}

::selection {
    background-color: var(--primary-container);
    color: var(--on-primary-fixed);
}

/* Scrollbar estilizado */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--background);
}
::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* 
  @section: Header & Navigation
*/
.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    border-b: 1px solid var(--outline-variant);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px var(--margin-mobile);
}

@media(min-width: 768px) {
    .nav-container {
        padding: 16px var(--margin-desktop);
    }
}

.logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    object-fit: contain;
}

.nav-links {
    display: none;
    gap: 32px;
}

@media(min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    color: var(--on-background);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: color 0.2s ease;
}

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

.nav-link.active {
    border-bottom: 2px solid var(--primary);
    padding-bottom: 4px;
}

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

/* 
  @section: UI Components (Buttons)
*/
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--on-primary-fixed);
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-nav {
    display: none;
    padding: 10px 24px;
    font-size: 14px;
}

@media(min-width: 640px) {
    .btn-nav {
        display: inline-flex;
    }
}

.btn-menu-mobile {
    background: none;
    border: none;
    color: var(--on-surface);
    cursor: pointer;
    display: flex;
}

@media(min-width: 768px) {
    .btn-menu-mobile {
        display: none;
    }
}

/* 
  @section: Hero Section
*/
.main-content {
    padding-top: 72px;
}

.hero-section {
    position: relative;
    height: 700px;
    width: 100%;
    display: flex;
    align-items: center;
    overflow: hidden;
}

@media(min-width: 768px) {
    .hero-section {
        height: 870px;
    }
}

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

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.6);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10,10,10,1) 0%, rgba(10,10,10,0.4) 60%, rgba(0,0,0,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--margin-mobile);
}

@media(min-width: 768px) {
    .hero-content {
        padding: 0 var(--margin-desktop);
    }
}

.hero-text-box {
    max-width: 42rem;
}

.hero-title {
    font-family: var(--font-headline);
    font-size: 32px;
    line-height: 40px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

@media(min-width: 768px) {
    .hero-title {
        font-size: 64px;
        line-height: 72px;
        letter-spacing: -0.02em;
        font-weight: 800;
    }
}

.hero-subtitle {
    font-size: 18px;
    line-height: 28px;
    color: #e5e7eb;
    margin-bottom: 40px;
    font-weight: 600;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

/* 
  @section: Filter Section
*/
.filter-section {
    position: relative;
    z-index: 20;
    margin-top: -48px;
    padding: 0 var(--margin-mobile);
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

@media(min-width: 768px) {
    .filter-section {
        padding: 0 var(--margin-desktop);
    }
}

.filter-card {
    background-color: var(--surface-container-high);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--outline-variant);
}

@media(min-width: 768px) {
    .filter-card {
        padding: 32px;
    }
}

.filter-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media(min-width: 640px) {
    .filter-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(min-width: 1024px) {
    .filter-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group.flex-end {
    justify-content: flex-end;
}

.filter-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
}

.filter-select, .filter-input {
    width: 100%;
    background-color: var(--background);
    border: 1px solid var(--outline-variant);
    color: var(--on-surface);
    font-weight: 500;
    border-radius: 8px;
    padding: 12px 16px;
    outline: none;
    transition: border-color 0.2s ease;
}

.filter-select:focus, .filter-input:focus {
    border-color: var(--primary);
}

.filter-range {
    display: flex;
    gap: 8px;
}

.btn-filter {
    height: 52px;
    width: 100%;
}

/* 
  @section: Stock Section
*/
.stock-section {
    padding: 96px var(--margin-mobile);
    max-width: var(--container-max);
    margin: 0 auto;
}

@media(min-width: 768px) {
    .stock-section {
        padding: 96px var(--margin-desktop);
    }
}

.stock-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
}

.section-title {
    font-family: var(--font-headline);
    font-size: 40px;
    line-height: 48px;
    letter-spacing: -0.01em;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--on-surface-variant);
    font-weight: 500;
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.btn-link:hover {
    text-decoration: underline;
}

.stock-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media(min-width: 768px) {
    .stock-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(min-width: 1024px) {
    .stock-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Card Industrial Style */
.card-industrial {
    background-color: var(--surface-container-high);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--outline-variant);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.card-industrial:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.4);
}

.card-image-box {
    height: 256px;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.card-info {
    padding: 24px;
}

.card-title {
    font-family: var(--font-headline);
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

.card-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--on-surface-variant);
}

.spec-icon {
    color: var(--primary);
    font-size: 14px !important;
}

.spec-text {
    font-size: 14px;
    font-weight: 700;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--outline-variant);
}

.card-price {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.btn-outline {
    background: none;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 8px 16px;
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--on-primary-fixed);
}

/* Modificadores de Card Vendido */
.card-sold {
    opacity: 0.8;
}

.badge-sold {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 10;
    background-color: var(--error-container);
    color: var(--on-error-container);
    padding: 4px 12px;
    font-weight: 600;
    border-radius: 4px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.grayscale {
    filter: grayscale(1);
}

.btn-disabled {
    background: none;
    border: 1px solid var(--outline-variant);
    color: var(--on-surface-variant);
    cursor: not-allowed;
    padding: 8px 16px;
}

/* 
  @section: Why Us Section
*/
.why-us-section {
    background-color: var(--surface-container);
    padding: 96px var(--margin-mobile);
    border-top: 1px solid var(--outline-variant);
    border-bottom: 1px solid var(--outline-variant);
}

@media(min-width: 768px) {
    .why-us-section {
        padding: 96px var(--margin-desktop);
    }
}

.why-us-header {
    text-align: center;
    margin-bottom: 64px;
}

.indicator-bar {
    width: 96px;
    height: 6px;
    background-color: var(--primary);
    margin: 16px auto 0;
    border-radius: 9999px;
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    max-width: var(--container-max);
    margin: 0 auto;
}

@media(min-width: 768px) {
    .why-us-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.why-us-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.why-icon-box {
    width: 80px;
    height: 80px;
    background-color: var(--surface-container-highest);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid var(--outline-variant);
    transition: all 0.5s ease;
}

.why-us-card:hover .why-icon-box {
    background-color: var(--primary);
}

.why-icon {
    font-size: 40px !important;
    color: var(--primary);
    transition: color 0.5s ease;
}

.why-us-card:hover .why-icon {
    color: var(--on-primary-fixed);
}

.why-title {
    font-family: var(--font-headline);
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.why-text {
    color: var(--on-surface-variant);
    font-weight: 500;
}

/* 
  @section: Deliveries Section
*/
.deliveries-section {
    padding: 96px var(--margin-mobile);
    max-width: var(--container-max);
    margin: 0 auto;
    overflow: hidden;
}

@media(min-width: 768px) {
    .deliveries-section {
        padding: 96px var(--margin-desktop);
    }
}

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

@media(min-width: 768px) {
    .text-center-mobile {
        text-align: left;
    }
}

.carousel-container {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 32px;
    scroll-snap-type: x mandatory;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.carousel-card {
    flex: 0 0 320px;
    scroll-snap-align: start;
}

@media(min-width: 768px) {
    .carousel-card {
        flex: 0 0 400px;
    }
}

.carousel-image-box {
    position: relative;
    height: 300px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
}

.delivery-date {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.delivery-client {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

/* 
  @section: CTA Section
*/
.cta-section {
    padding: 64px var(--margin-mobile);
    max-width: var(--container-max);
    margin: 0 auto 96px;
}

@media(min-width: 768px) {
    .cta-section {
        padding: 64px var(--margin-desktop);
    }
}

.cta-card {
    background-color: var(--secondary-container);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

@media(min-width: 1024px) {
    .cta-card {
        padding: 48px;
        flex-direction: row;
    }
}

.cta-text-content {
    color: var(--on-secondary-container);
    max-width: 36rem;
    text-align: center;
}

@media(min-width: 1024px) {
    .cta-text-content {
        text-align: left;
    }
}

.cta-title {
    font-family: var(--font-headline);
    font-size: 40px;
    line-height: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    line-height: 28px;
    font-weight: 600;
    opacity: 0.9;
}

.btn-secondary-container {
    background-color: var(--on-secondary-container);
    color: var(--background);
    padding: 20px 40px;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.3);
}

.btn-secondary-container:hover {
    transform: scale(1.05);
}

/* 
  @section: Footer Section
*/
.footer {
    background-color: var(--background);
    border-top: 1px solid var(--outline-variant);
    padding: 64px var(--margin-mobile) 32px;
}

@media(min-width: 768px) {
    .footer {
        padding: 64px var(--margin-desktop) 32px;
    }
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

@media(min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-brand {
    grid-column: span 1;
}

@media(min-width: 768px) {
    .footer-brand {
        grid-column: span 2;
    }
}

.footer-logo {
    font-family: var(--font-headline);
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
}

.footer-desc {
    color: var(--on-surface-variant);
    font-weight: 500;
    max-width: 28rem;
    margin-bottom: 32px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    border: 2px solid var(--outline-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-icon:hover {
    background-color: var(--primary);
    color: var(--on-primary-fixed);
    border-color: var(--primary);
}

.footer-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 24px;
}

.links-list {
    list-style: none;
}

.links-list li {
    margin-bottom: 16px;
}

.links-list a {
    color: var(--on-background);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--on-background);
}

.contact-item p {
    font-weight: 600;
}

.icon-primary {
    color: var(--primary);
    font-weight: 700;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(225, 227, 225, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

@media(min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-bottom p {
    font-size: 12px;
    font-weight: 700;
    color: var(--on-surface-variant);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 12px;
    font-weight: 700;
    color: var(--on-surface-variant);
    text-decoration: none;
    transition: color 0.2s ease;
}

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