/* =========================================
   Variáveis e Reset
   ========================================= */
:root {
    --primary-blue: #0D47A1;
    --primary-blue-hover: #1565C0;
    --dark-bg: #0D0D0D;
    --dark-surface: #1A1A1A;
    --light-bg: #FFFFFF;
    --light-surface: #F5F7FA;
    --text-main: #333333;
    --text-muted: #666666;
    --text-light: #F0F0F0;

    --font-main: 'Montserrat', sans-serif;

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

/* =========================================
   Tipografia e Estilos de Logo
   ========================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

/* O logotipo textual "VEKTOR" recriado */
.logo-img {
    height: 70px;
    width: auto;
    display: block;
}

.logo-light {
    color: var(--light-bg);
}

/* =========================================
   Botões
   ========================================= */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--light-bg);
}

.btn-primary:hover {
    background-color: var(--primary-blue-hover);
    box-shadow: 0 8px 15px rgba(13, 71, 161, 0.3);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--light-bg);
}

.btn-block {
    display: block;
    width: 100%;
}

/* =========================================
   Navegação
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 12px 0;
}

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

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

.nav-links a {
    font-weight: 500;
    font-size: 15px;
    position: relative;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    /* offset navbar */
    background: var(--dark-bg);
    overflow: hidden;
}

/* Elementos de background dinâmico */
.hero-bg {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(13, 71, 161, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-30px);
    }

    100% {
        transform: translateY(0px);
    }
}

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

.hero-title {
    font-size: 4rem;
    color: var(--text-light);
    margin-bottom: 20px;
    animation: fadeUp 1s ease forwards;
}

.hero-title span {
    color: var(--primary-blue);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 20px;
    animation: fadeUp 1s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* =========================================
   Serviços
   ========================================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

.section-header.light-text h2 {
    color: var(--light-bg);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-blue);
}

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

.section-header.light-text p {
    color: #aaaaaa;
}

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

.service-card {
    background: var(--dark-surface);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
    text-align: left;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-bottom-color: var(--primary-blue);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 0 20px 0;
    background-color: rgba(13, 71, 161, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary-blue);
    color: var(--light-bg);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.service-card .service-headline {
    font-size: 0.95rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.service-cta {
    display: inline-block;
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.service-cta:hover {
    color: var(--primary-blue);
    transform: translateX(5px);
}

/* =========================================
   Portfólio
   ========================================= */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background-color: var(--dark-surface);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    group: hover;
    transition: var(--transition);
}

.portfolio-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 25px;
    position: relative;
    z-index: 2;
    background: linear-gradient(to top, var(--dark-surface) 0%, rgba(26, 26, 26, 0.9) 100%);
}

.portfolio-content h3 {
    color: var(--light-bg);
    margin-bottom: 10px;
}

.portfolio-content p {
    color: #aaaaaa;
    font-size: 0.9rem;
}

/* Estilos Específicos para Case Studies de CRO */
.case-study-card {
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.case-study-card .portfolio-content {
    background: var(--dark-surface);
    height: 100%;
}

.case-study-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

.case-icon {
    width: 24px;
    height: 24px;
    stroke-width: 2.5;
}

.case-block {
    margin-bottom: 20px;
}

.case-block h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.case-block p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

.impact-block {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.impact-block h4 {
    color: #2ecc71; /* Verde destacando o ROI */
}

.impact-block h4 i {
    width: 16px;
    height: 16px;
}

.impact-block p {
    font-weight: 600;
    color: #fff;
}

/* =========================================
   Contato
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

.contact-info>p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: rgba(13, 71, 161, 0.1);
    color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: var(--text-light);
}

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

.contact-form-container {
    background-color: var(--dark-surface);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #333;
    background-color: var(--dark-bg);
    color: var(--text-light);
    border-radius: 4px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: #000000;
    /* Mais escuro que o background escuro padrão */
    color: var(--text-light);
    padding-top: 80px;
}

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

.brand-tagline {
    margin-top: 15px;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: #888;
}

.footer-col h4 {
    color: var(--light-bg);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-blue);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: #aaaaaa;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 20px;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--dark-surface);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        transition: 0.4s ease-in-out;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        text-align: center;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

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

/* =========================================
   WhatsApp Floating Button
   ========================================= */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    color: #fff;
}