/* ==========================================================================
   VARIÁVEIS DE CORES & CONFIGURAÇÕES GERAIS
   ========================================================================== */
:root {
    --bg-dark-primary: #0F172A;
    --bg-dark-secondary: #1E293B;
    --accent-blue-mid: #1E3A8A;
    --accent-blue-light: #3B82F6;
    --text-primary-dark: #F8FAFC;
    --text-muted-dark: #94A3B8;
    --card-bg-dark: rgba(30, 41, 59, 0.7);
    --border-dark: rgba(255, 255, 255, 0.1);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --radius-lg: 16px;
    --radius-md: 8px;
}

html.light {
    --bg-dark-primary: #F8FAFC;
    --bg-dark-secondary: #FFFFFF;
    --accent-blue-mid: #2563EB;
    --accent-blue-light: #1D4ED8;
    --text-primary-dark: #0F172A;
    --text-muted-dark: #475569;
    --card-bg-dark: rgba(255, 255, 255, 0.8);
    --border-dark: rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark-primary);
    color: var(--text-primary-dark);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, .logo {
    font-family: 'Poppins', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue-mid), var(--accent-blue-light));
    color: #FFF;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-dark);
    color: var(--text-primary-dark);
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-blue-light);
}

.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }

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

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.section-header p {
    color: var(--text-muted-dark);
    max-width: 600px;
    margin: 0 auto;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: rgba(15, 23, 42, 0.2);
    backdrop-filter: blur(12px);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo i { color: var(--accent-blue-light); }
.logo span { color: var(--accent-blue-light); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--text-muted-dark);
    transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-blue-light);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-btn, .hamburger {
    background: transparent;
    border: none;
    color: var(--text-primary-dark);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.hamburger { display: none; }

.hero {
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--accent-blue-light);
    background: linear-gradient(135deg, #60A5FA, #3B82F6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted-dark);
    margin-bottom: 35px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

.hero-image-wrapper {
    position: relative;
}

.hero-card-glass {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-glass);
    border: 1px solid var(--border-dark);
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.9);
}

.code-floating-box {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 15px;
    font-family: monospace;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

.code-title {
    font-size: 0.75rem;
    color: var(--text-muted-dark);
    margin-left: auto;
}

.code-floating-box pre {
    font-size: 0.85rem;
    color: #E2E8F0;
}

.code-floating-box .k { color: #F472B6; }
.code-floating-box .f { color: #60A5FA; }
.code-floating-box .n { color: #A78BFA; }

.counters-section {
    background: var(--bg-dark-secondary);
    padding: 50px 0;
    border-y: 1px solid var(--border-dark);
}

.counters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.counter-card h3 {
    font-size: 2.5rem;
    color: var(--accent-blue-light);
}

.counter-card p {
    color: var(--text-muted-dark);
    font-size: 0.9rem;
}

.services { padding: 100px 0; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    padding: 30px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-blue-light);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
}

.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

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

.projects {
    padding: 100px 0;
    background: var(--bg-dark-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-dark-primary);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue-light);
}

.project-img-box {
    height: 180px;
    background: linear-gradient(135deg, #1E293B, #0F172A);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-dark);
}

.project-placeholder-icon {
    font-size: 4rem;
    color: var(--accent-blue-light);
    opacity: 0.6;
}

.project-content { padding: 25px; }

.project-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-muted-dark);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.tags span {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent-blue-light);
}

.btn-link {
    color: var(--accent-blue-light);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tech { padding: 100px 0; }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 20px;
}

.tech-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.tech-card i {
    font-size: 2rem;
    color: var(--accent-blue-light);
}

.tech-card span {
    font-size: 0.85rem;
    font-weight: 500;
}

.tech-card:hover {
    border-color: var(--accent-blue-light);
    transform: translateY(-3px);
}

.differentials { padding: 100px 0; background: var(--bg-dark-secondary); }

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.diff-card {
    background: var(--bg-dark-primary);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-dark);
}

.diff-card i {
    font-size: 1.8rem;
    color: var(--accent-blue-light);
    margin-bottom: 15px;
}

.process { padding: 100px 0; }

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-item {
    display: flex;
    gap: 25px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.timeline-number {
    width: 45px;
    height: 45px;
    background: var(--accent-blue-mid);
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    border: 2px solid var(--accent-blue-light);
}

.timeline-content {
    background: var(--card-bg-dark);
    padding: 20px 25px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-dark);
    flex-grow: 1;
}

.about { padding: 100px 0; background: var(--bg-dark-secondary); }

.about-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 60px;
    align-items: center;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-blue-light);
    box-shadow: var(--shadow-glass);
}

.about-content p {
    color: var(--text-muted-dark);
    margin-bottom: 15px;
}

.about-info {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.testimonials { padding: 100px 0; }

.testimonials-slider {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.testimonial-card {
    background: var(--card-bg-dark);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-dark);
}

.stars { color: #F59E0B; margin-bottom: 15px; }

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--accent-blue-mid), #0F172A);
    text-align: center;
}

.cta-container h2 { font-size: 2.2rem; margin-bottom: 15px; }
.cta-container p { color: var(--text-muted-dark); margin-bottom: 30px; }

.contact { padding: 100px 0; }

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-blue-light);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px;
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    color: var(--text-primary-dark);
    font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue-light);
}

.footer {
    background: #090D16;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-dark);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-dark);
    color: var(--text-muted-dark);
    font-size: 0.85rem;
}

.social-links { display: flex; gap: 15px; margin-top: 15px; }
.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-blue-light);
    color: #FFF;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--accent-blue-light);
    color: #FFF;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

.back-to-top.show { opacity: 1; visibility: visible; }

@media (max-width: 992px) {
    .hero-container, .about-container, .contact-wrapper { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2.4rem; }
    .counters-grid { grid-template-columns: 1fr 1fr; }
    .testimonials-slider { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-dark-primary);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition);
    }
    .nav-links.active { left: 0; }
}