/* ==========================================================================
   NXBIT - Identidade Visual & Estilos Modernos
   Cores baseadas na logo: Ciano (#00b4d8), Azul Royal (#3062b7), Violeta (#6e2c9e)
   ========================================================================== */

:root {
    --primary-cyan: #00b4d8;
    --primary-blue: #3062b7;
    --primary-purple: #6e2c9e;
    --primary-gradient: linear-gradient(135deg, #00b4d8 0%, #3062b7 50%, #6e2c9e 100%);
    --gradient-glow: linear-gradient(135deg, rgba(0, 180, 216, 0.25) 0%, rgba(48, 98, 183, 0.25) 50%, rgba(110, 44, 158, 0.25) 100%);
    
    --dark-bg: #0b1120;
    --dark-surface: #131d33;
    --dark-card: #1e293b;
    --dark-border: rgba(255, 255, 255, 0.08);

    --light-bg: #f8fafc;
    --light-surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #f8fafc;
    --text-light-muted: #94a3b8;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-pill: 9999px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 35px rgba(48, 98, 183, 0.25);
}

/* Reset Geral */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.25;
}

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

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

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Classes Utilitárias */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(48, 98, 183, 0.1);
    border: 1px solid rgba(48, 98, 183, 0.25);
    border-radius: var(--radius-pill);
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 16px;
}

.badge-tag.badge-light {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #38bdf8;
}

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(48, 98, 183, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(110, 44, 158, 0.45);
    transform: translateY(-2px);
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-white {
    background: #ffffff;
    color: var(--primary-purple);
    font-weight: 700;
}

.btn-white:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Header & Navegação
   ========================================================================== */
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 17, 32, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--dark-border);
    transition: var(--transition);
}

header.site-header.scrolled {
    background: rgba(11, 17, 32, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.brand-name span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 32px;
}

nav.main-nav ul li a {
    color: var(--text-light-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

nav.main-nav ul li a:hover,
nav.main-nav ul li a.active {
    color: #ffffff;
}

.nav-cta {
    display: flex;
    align-items: center;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: #ffffff;
    margin: 5px 0;
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    position: relative;
    padding: 170px 0 110px 0;
    background: radial-gradient(circle at 10% 20%, rgba(0, 180, 216, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(110, 44, 158, 0.2) 0%, transparent 45%),
                var(--dark-bg);
    color: var(--text-light);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle, rgba(48, 98, 183, 0.1) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.6;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 60px;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -1px;
    margin-bottom: 22px;
    line-height: 1.15;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-light-muted);
    margin-bottom: 35px;
    max-width: 580px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 45px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    border-top: 1px solid var(--dark-border);
    padding-top: 30px;
}

.stat-item h3 {
    font-size: 1.6rem;
    color: #ffffff;
    font-weight: 800;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-light-muted);
    margin: 0;
}

/* Hero Visual / Card */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-card-glow {
    position: relative;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-glow);
    backdrop-filter: blur(12px);
    width: 100%;
    max-width: 440px;
}

.hero-brand-symbol {
    text-align: center;
    margin-bottom: 25px;
}

.hero-brand-symbol img {
    height: 160px;
    width: auto;
    margin: 0 auto;
    filter: drop-shadow(0 10px 20px rgba(0, 180, 216, 0.3));
}

.hero-card-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 14px 0;
    border-top: 1px solid var(--dark-border);
}

.hero-card-feature .icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient-glow);
    border: 1px solid rgba(48, 98, 183, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.hero-card-feature h4 {
    color: #ffffff;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.hero-card-feature p {
    color: var(--text-light-muted);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

/* ==========================================================================
   Seção de Serviços
   ========================================================================== */
.services-section {
    padding: 110px 0;
    background-color: var(--light-bg);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-header h2 {
    font-size: 2.4rem;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--light-surface);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 35px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(48, 98, 183, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: var(--gradient-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.6rem;
    margin-bottom: 22px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-main);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags span {
    font-size: 0.78rem;
    padding: 4px 10px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 6px;
    font-weight: 600;
}

/* ==========================================================================
   Seção Sobre & Diferenciais
   ========================================================================== */
.about-section {
    padding: 100px 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

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

.about-content h2 {
    font-size: 2.3rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.differentials-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.diff-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.diff-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 180, 216, 0.15);
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.diff-item h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
    color: var(--text-main);
}

.diff-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Tech Badges Showcase */
.about-box-card {
    background: radial-gradient(circle at 10% 20%, rgba(48, 98, 183, 0.08), transparent 70%), var(--dark-bg);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 45px 40px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.about-box-card h3 {
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.about-box-card p {
    color: var(--text-light-muted);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-pill {
    padding: 7px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: #cbd5e1;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   Seção de Contato
   ========================================================================== */
.contact-section {
    padding: 110px 0;
    background: var(--light-bg);
    position: relative;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e2e8f0;
    overflow: hidden;
}

/* Lado Esquerdo - Info */
.contact-info-panel {
    background: radial-gradient(circle at top right, rgba(0, 180, 216, 0.25), transparent 60%),
                var(--dark-bg);
    color: #ffffff;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.contact-info-panel h2 {
    color: #ffffff;
    font-size: 2rem;
    margin-bottom: 12px;
}

.contact-info-panel p.intro {
    color: var(--text-light-muted);
    font-size: 1rem;
    margin-bottom: 35px;
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-bottom: 35px;
}

.contact-method-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.method-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-cyan);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.method-content h4 {
    font-size: 0.9rem;
    color: var(--text-light-muted);
    font-weight: 500;
    margin-bottom: 2px;
}

.method-content a, .method-content span {
    color: #ffffff;
    font-weight: 600;
    font-size: 1.05rem;
}

.method-content a:hover {
    color: var(--primary-cyan);
}

.contact-badge-security {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-light-muted);
}

/* Lado Direito - Formulário */
.contact-form-panel {
    padding: 50px 45px;
}

.contact-form-panel h3 {
    font-size: 1.6rem;
    color: var(--text-main);
    margin-bottom: 8px;
}

.contact-form-panel p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 30px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    background: #f8fafc;
    color: var(--text-main);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(48, 98, 183, 0.15);
}

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

/* Honeypot field (hidden from humans) */
.hidden-bot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    visibility: hidden;
}

/* Status message */
.form-status-alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-top: 15px;
    font-size: 0.92rem;
    font-weight: 500;
    display: none;
}

.form-status-alert.success {
    display: block;
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #15803d;
}

.form-status-alert.error {
    display: block;
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #b91c1c;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.site-footer {
    background: var(--dark-bg);
    color: var(--text-light-muted);
    border-top: 1px solid var(--dark-border);
    padding: 70px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 320px;
    margin-bottom: 20px;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 18px;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    color: var(--text-light-muted);
    font-size: 0.9rem;
}

.footer-col ul li a:hover {
    color: #ffffff;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom a {
    color: var(--text-light-muted);
}

.footer-bottom a:hover {
    color: #ffffff;
}

/* ==========================================================================
   Responsividade (Mobile & Tablet)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .hero-content p {
        margin: 0 auto 35px auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        max-width: 500px;
        margin: 0 auto;
    }

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

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

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

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    nav.main-nav {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--dark-bg);
        border-bottom: 1px solid var(--dark-border);
        padding: 25px 20px;
        transform: translateY(-150%);
        transition: var(--transition);
        visibility: hidden;
    }

    nav.main-nav.active {
        transform: translateY(0);
        visibility: visible;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    nav.main-nav ul {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .nav-cta {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.3rem;
    }

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

    .differentials-list {
        grid-template-columns: 1fr;
    }

    .contact-form-panel {
        padding: 35px 25px;
    }

    .contact-info-panel {
        padding: 35px 25px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}