:root {
    --bg-body: #050505;
    --bg-surface: #121212;
    --primary: #00E676;
    --primary-dark: #00b359;
    --primary-glow: rgba(0, 230, 118, 0.3);
    --text-main: #FFFFFF;
    --text-muted: #A0A0A0;
    --text-dark: #000000;
    --border-light: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(0, 230, 118, 0.5);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --spacing-section: 120px;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Sora', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, #fff, #888);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    display: block;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-dark);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: rgba(0, 230, 118, 0.1);
    color: #fff;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
}

header.scrolled {
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    padding: 15px 0;
}

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

.logo img {
    height: 70px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 40px;
}

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

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

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

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

/* Hero */
.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(to right, rgba(5, 5, 5, 0.95) 0%, rgba(5, 5, 5, 0.6) 100%),
        url('https://images.unsplash.com/photo-1621905252507-b35492cc74b4?q=80&w=2669&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.3s;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.5s;
}

.hero-btns {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s forwards 0.7s;
    display: flex;
    gap: 20px;
}

/* Indicador de Scroll */
.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

/* Stats */
.stats-bar {
    background: var(--bg-surface);
    padding: 60px 0;
    border-bottom: 1px solid var(--border-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

/* Portfolio */
.portfolio-section {
    padding: var(--spacing-section) 0;
    background-color: var(--bg-body);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-img-wrapper {
    height: 240px;
    overflow: hidden;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.card-body {
    padding: 30px;
}

.card-cat {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
    font-weight: 600;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.card-code {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    font-family: 'Courier New', monospace;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}


/* --- DIFERENCIAIS (GRID COM ÍCONES) --- */
.features-section {
    padding: var(--spacing-section) 0;
    background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-surface) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-box {
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.feature-box:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-section) 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
}

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

.contact-info h2 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.info-box {
    margin-bottom: 25px;
}

.info-box h5 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 1rem;
}

.info-box p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.contact-methods {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.contact-box {
    flex: 1;
    padding: 25px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-box:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
}

.contact-box i {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 15px;
}

.contact-box h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-box p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* Footer */
footer {
    background: #020202;
    border-top: 1px solid var(--border-light);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-desc {
    color: var(--text-muted);
    margin-top: 20px;
    max-width: 350px;
    font-size: 0.95rem;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

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

    .contact-methods {
        flex-direction: column;
    }

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #fff;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

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

}