:root {
  --primary-color: #0056b3;
  --accent-color: #4d9eff;
  --dark-bg: #111111;
  --medium-bg: #1a1a1a;
  --light-bg: #2a2a2a;
  --text-main: #e0e0e0;
  --text-dim: #aaaaaa;
  --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Header fixo */
header {
    background-color: rgba(0, 0, 0, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.logo img {
    height: 65px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.menu ul {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 2.5rem;
}

.menu a {
    text-decoration: none;
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.menu a:hover {
    color: var(--accent-color);
}

/* Banner / Hero */
.banner {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 12rem 5% 8rem;
    text-align: center;
    width: 100%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&q=80&w=1600');
    background-size: cover;
    background-position: center;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.banner-content {
    max-width: 1000px;
    margin: 0 auto;
}

.banner h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -1px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.banner p {
    font-size: 1.6rem;
    margin-bottom: 3rem;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 1.2rem 3rem;
    font-size: 1rem;
    font-weight: 800;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 10px;
    display: inline-block;
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 1.1rem 3rem;
    font-size: 1rem;
    font-weight: 800;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 10px;
    display: inline-block;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: #004494;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* Seções */
.section {
    padding: 8rem 5%;
    width: 100%;
}

.section.alt {
    background-color: var(--dark-bg);
}

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

.section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--white);
    text-transform: uppercase;
    font-weight: 900;
}

.section-subtitle {
    text-align: center;
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 4rem;
    display: block;
    font-size: 1.8rem;
}

/* Grid de Problemas (Pain Points) */
.grid-problems {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.problem-card {
    background-color: var(--light-bg);
    padding: 3rem 2.5rem;
    border-radius: 12px;
    border-bottom: 5px solid var(--primary-color);
    transition: all 0.3s ease;
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-10px);
    background-color: #333;
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.problem-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: block;
}

.problem-card h3 {
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
}

.problem-card p {
    color: var(--text-dim);
    font-size: 1rem;
}

/* Serviços / Processo */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    text-align: center;
    padding: 2rem;
}

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
    text-transform: uppercase;
}

/* Grid de Segmentos */
.segments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.segment-item {
    position: relative;
    height: 350px;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
}

.segment-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.segment-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 3rem;
}

.segment-item:hover img {
    transform: scale(1.15);
}

.segment-overlay h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-weight: 800;
}

.segment-overlay p {
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Stats Section */
.stats-section {
    padding: 6rem 5%;
    background-color: var(--primary-color);
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    display: block;
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Projetos / Carrossel */
.carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.carousel img {
  width: 100%;
  height: 550px;
  object-fit: cover;
  border-radius: 15px;
  cursor: zoom-in;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Estilos de Contato Centralizado */
.contact-container-centered {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 4rem;
    width: 100%;
}

.contact-info-centered {
    text-align: center;
    background-color: var(--light-bg);
    padding: 4rem;
    border-radius: 15px;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.contact-items p {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-main);
}

.contact-items i {
    color: var(--accent-color);
    font-size: 1.4rem;
    width: 25px;
    text-align: center;
}

.contact-items a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 600;
}

.contact-items a:hover {
    color: var(--accent-color);
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--text-dim);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto 4rem;
    padding: 0 40px;
}

.footer-logo {
    flex: 2;
    margin-right: 4rem;
}

.footer-logo p {
    margin-top: 1.5rem;
    font-size: 1rem;
    max-width: 400px;
}

.footer-links, .footer-contact {
    flex: 1;
}

footer h4 {
    color: var(--white);
    margin-bottom: 2rem;
    font-size: 1.3rem;
    text-transform: uppercase;
    font-weight: 800;
}

footer ul {
    list-style: none;
}

footer ul li {
    margin-bottom: 1rem;
}

footer ul li a {
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

footer ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
}

/* Menu Mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--white);
    cursor: pointer;
}

@media (max-width: 992px) {
    .banner h1 { font-size: 3rem; }
    .stat-number { font-size: 3rem; }
}

@media (max-width: 768px) {
    nav { padding: 0 20px; }
    .menu-toggle { display: block; }
    .menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--dark-bg);
        padding: 2rem;
    }
    .menu.active { display: block; }
    .menu ul { flex-direction: column; text-align: center; }
    .menu li { margin: 1rem 0; }
    .banner h1 { font-size: 2.5rem; }
    .banner p { font-size: 1.2rem; }
    .carousel img { height: 350px; }
}