/* Variables & Reset */
:root {
    --color-bg-dark: #111827;
    /* Darker Anthracite */
    --color-bg-light: #1F2937;
    /* Anthracite */
    --color-primary: #D4AF37;
    /* Metallic Gold */
    --color-primary-hover: #B59021;
    /* Darker Gold */
    --color-text-main: #F9FAFB;
    /* White-ish */
    --color-text-muted: #9CA3AF;
    /* Light Gray */
    --color-border: #374151;
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography & Utilities */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
}

.text-primary {
    color: var(--color-primary);
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--color-primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    margin-left: 10px;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #000;
}

.glow-effect {
    animation: glow 2s infinite;
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
    }

    50% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
    }

    100% {
        box-shadow: 0 0 5px rgba(212, 175, 55, 0.5);
    }
}

.icon-btn {
    background: none;
    border: none;
    color: var(--color-text-main);
    font-size: 1.2rem;
    cursor: pointer;
    margin: 0 10px;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--color-primary);
}

/* Header */
.header {
    background-color: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    padding: 15px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    max-height: 100px;
    /* Slightly larger for better visibility */
    width: auto;
    transition: var(--transition);
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.nav-list {
    display: flex;
    gap: 25px;
}

.nav-list a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
}

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

.nav-list a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-primary);
    transition: var(--transition);
}

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

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

.mobile-only {
    display: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1542744173-8e7e53415bb0?q=80&w=2070&auto=format&fit=crop');
    /* Placeholder industrial bg */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 600px;
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

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

/* Services Section */
.section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.separator {
    width: 80px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 20px auto;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-light);
    padding: 40px 30px;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

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

.icon-box {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Why Us */
.why-us {
    background-color: var(--color-bg-light);
}

.why-us-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.why-us-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-list {
    margin-top: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
}

.feature-list i {
    color: var(--color-primary);
    margin-right: 15px;
}

.visual-box {
    background-color: var(--color-bg-dark);
    height: 400px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 2px solid var(--color-border);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    background-color: var(--color-bg-light);
    padding: 50px;
    border-radius: 15px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: #fff;
}

.contact-item p {
    color: var(--color-text-muted);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: 5px;
    color: #fff;
    font-family: var(--font-main);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
    outline: none;
}

.contact-form textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background-color: #0d1117;
    padding: 60px 0 20px;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-brand p {
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-light);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    color: #fff;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--color-primary);
    color: #000;
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    background-color: #20BA56;
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.4);
}

/* Pulse Animation for WhatsApp */
.whatsapp-btn::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: wa-pulse 2s infinite;
}

@keyframes wa-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .why-us-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-bg-light);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .nav-list.active {
        right: 0;
        z-index: 1001;
    }

    .mobile-only {
        display: block;
    }

    .header-actions .btn {
        display: none;
    }

    .logo-img {
        max-height: 50px;
        /* Smaller logo for mobile */
    }

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

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 30px;
    }
}

/* Tabela Gallery */
.view-gallery-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.view-gallery-link:hover {
    color: var(--color-primary-hover);
    transform: translateX(5px);
}

.gallery-section {
    background-color: var(--color-bg-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 40px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1/1;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    overflow: auto;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    animation: zoom 0.3s ease;
}

@keyframes zoom {
    from {
        transform: scale(0.5);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.close-lightbox:hover {
    color: var(--color-primary);
}

/* Response fix */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 10px;
    }
}