/* ============================================
   Lab Open Tecnologia - CSS Principal
   Design Moderno Full-Width com Efeito Matrix Azul Neon
   ============================================ */

:root {
    --primary-color: #d4af37;
    --primary-dark: #b8860b;
    --secondary-color: #c41e3a;
    --dark-bg: #0a0a0a;
    --darker-bg: #000000;
    --light-bg: #1a1a1a;
    --white-bg: #ffffff;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #999999;
    --accent-color: #00d4ff;
    --matrix-blue: #0080ff;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background: #000000;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ============================================
   EFEITO MATRIX AZUL NEON - CHUVA DE CÓDIGO
   ============================================ */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 400"><defs><style>.matrix-rain{font-family:monospace;font-size:20px;font-weight:bold;fill:%230080ff;opacity:0.3;text-anchor:middle;}.matrix-rain-bright{font-family:monospace;font-size:20px;font-weight:bold;fill:%230080ff;opacity:0.6;text-anchor:middle;}.matrix-rain-brightest{font-family:monospace;font-size:20px;font-weight:bold;fill:%2300ffff;opacity:0.9;text-anchor:middle;}</style></defs><text x="20" y="20" class="matrix-rain">3</text><text x="50" y="40" class="matrix-rain">7</text><text x="80" y="60" class="matrix-rain-bright">2</text><text x="110" y="80" class="matrix-rain">8</text><text x="140" y="100" class="matrix-rain">5</text><text x="170" y="120" class="matrix-rain-bright">1</text><text x="30" y="140" class="matrix-rain">9</text><text x="60" y="160" class="matrix-rain-brightest">6</text><text x="90" y="180" class="matrix-rain">4</text><text x="120" y="200" class="matrix-rain">2</text><text x="150" y="220" class="matrix-rain-bright">7</text><text x="180" y="240" class="matrix-rain">3</text><text x="40" y="260" class="matrix-rain">8</text><text x="70" y="280" class="matrix-rain-brightest">1</text><text x="100" y="300" class="matrix-rain">5</text><text x="130" y="320" class="matrix-rain">9</text><text x="160" y="340" class="matrix-rain-bright">2</text><text x="190" y="360" class="matrix-rain">6</text><text x="25" y="380" class="matrix-rain">4</text></svg>');
    background-position: 0 0;
    background-repeat: repeat;
    background-size: 200px 400px;
    pointer-events: none;
    z-index: 0;
    animation: matrix-rain-fall 8s linear infinite;
}

@keyframes matrix-rain-fall {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 400px;
    }
}

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */

header {
    background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
    color: var(--text-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 128, 255, 0.2);
    border-bottom: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 100%;
    margin: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: bold;
    transition: var(--transition);
}

.logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.3));
}

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

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

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: #000000;
    color: var(--text-light);
    padding: 120px 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 600"><defs><style>.matrix-hero{font-family:monospace;font-size:24px;font-weight:bold;fill:%230080ff;opacity:0.2;text-anchor:middle;}.matrix-hero-bright{font-family:monospace;font-size:24px;font-weight:bold;fill:%230080ff;opacity:0.4;text-anchor:middle;}.matrix-hero-brightest{font-family:monospace;font-size:24px;font-weight:bold;fill:%2300ffff;opacity:0.7;text-anchor:middle;}</style></defs><text x="30" y="40" class="matrix-hero">5</text><text x="90" y="80" class="matrix-hero-bright">2</text><text x="150" y="120" class="matrix-hero">8</text><text x="210" y="160" class="matrix-hero-brightest">3</text><text x="270" y="200" class="matrix-hero">7</text><text x="50" y="240" class="matrix-hero">1</text><text x="110" y="280" class="matrix-hero-bright">9</text><text x="170" y="320" class="matrix-hero">4</text><text x="230" y="360" class="matrix-hero-brightest">6</text><text x="290" y="400" class="matrix-hero">2</text><text x="40" y="440" class="matrix-hero">8</text><text x="100" y="480" class="matrix-hero-bright">5</text><text x="160" y="520" class="matrix-hero">1</text><text x="220" y="560" class="matrix-hero-brightest">7</text></svg>');
    background-repeat: repeat;
    background-size: 300px 600px;
    pointer-events: none;
    z-index: 1;
    animation: matrix-rain-fall-hero 10s linear infinite;
}

@keyframes matrix-rain-fall-hero {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 600px;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--text-light);
    font-weight: 700;
    text-shadow: 0 4px 20px rgba(0, 128, 255, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero .tagline {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    padding: 14px 35px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-dark);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-dark);
    transform: translateY(-3px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   SEÇÕES PRINCIPAIS
   ============================================ */

section {
    padding: 80px 4rem;
    position: relative;
    width: 100%;
    background: #000000;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 250 500"><defs><style>.matrix-section{font-family:monospace;font-size:18px;font-weight:bold;fill:%230080ff;opacity:0.15;text-anchor:middle;}.matrix-section-bright{font-family:monospace;font-size:18px;font-weight:bold;fill:%230080ff;opacity:0.3;text-anchor:middle;}</style></defs><text x="25" y="30" class="matrix-section">4</text><text x="75" y="70" class="matrix-section-bright">7</text><text x="125" y="110" class="matrix-section">2</text><text x="175" y="150" class="matrix-section">9</text><text x="225" y="190" class="matrix-section-bright">5</text><text x="50" y="230" class="matrix-section">1</text><text x="100" y="270" class="matrix-section">8</text><text x="150" y="310" class="matrix-section-bright">3</text><text x="200" y="350" class="matrix-section">6</text><text x="250" y="390" class="matrix-section">2</text><text x="40" y="430" class="matrix-section-bright">7</text><text x="90" y="470" class="matrix-section">4</text></svg>');
    background-repeat: repeat;
    background-size: 250px 500px;
    pointer-events: none;
    z-index: 0;
    animation: matrix-rain-fall-section 12s linear infinite;
}

@keyframes matrix-rain-fall-section {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 500px;
    }
}

.section-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.8rem;
    color: #00d4ff;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 128, 255, 0.2);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-title p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 2rem auto 0;
}

/* ============================================
   SEÇÃO SOBRE
   ============================================ */

#about {
    background: #000000;
    color: var(--text-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    color: #00d4ff;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    font-size: 1.05rem;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.value-item {
    background: rgba(0, 128, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 128, 255, 0.1);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 128, 255, 0.2);
    background: rgba(0, 128, 255, 0.08);
}

.value-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.8rem;
    font-size: 1.15rem;
}

.value-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

/* ============================================
   SEÇÃO SERVIÇOS
   ============================================ */

#services {
    background: #000000;
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: rgba(0, 128, 255, 0.05);
    border: 1px solid rgba(0, 128, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 128, 255, 0.15), transparent);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 128, 255, 0.25);
    background: rgba(0, 128, 255, 0.08);
}

.service-card:hover::before {
    left: 100%;
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #00d4ff;
    font-weight: 700;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ============================================
   SEÇÃO DIFERENCIAIS
   ============================================ */

#differentials {
    background: #000000;
    color: var(--text-light);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.differential-item {
    background: rgba(0, 128, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 128, 255, 0.1);
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.differential-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 128, 255, 0.2);
    background: rgba(0, 128, 255, 0.08);
}

.differential-item i {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.differential-item p {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   SEÇÃO CONTATO
   ============================================ */

#contact {
    background: #000000;
    color: var(--text-light);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: rgba(0, 128, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 128, 255, 0.1);
    backdrop-filter: blur(10px);
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 700;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.contact-form {
    background: rgba(0, 128, 255, 0.05);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 128, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 128, 255, 0.1);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid rgba(0, 128, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(0, 128, 255, 0.05);
    color: var(--text-light);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 128, 255, 0.08);
    box-shadow: 0 0 15px rgba(0, 128, 255, 0.3);
}

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

/* ============================================
   FOOTER
   ============================================ */

footer {
    background: #000000;
    color: var(--text-light);
    padding: 3rem 4rem 1rem;
    border-top: 2px solid var(--primary-color);
    width: 100%;
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.6rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 128, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVO
   ============================================ */

@media (max-width: 768px) {
    .header-container {
        padding: 0 2rem;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        padding: 80px 2rem;
        min-height: 500px;
    }

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

    section {
        padding: 60px 2rem;
    }

    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
    }

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

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

    footer {
        padding: 2rem;
    }
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mensagens de formulário */
.form-message {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    animation: slideInDown 0.3s ease-out;
}

.form-message-success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.4);
}

.form-message-error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.4);
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}