:root {
    --color-primary: #2962FF;
    /* Electric Blue tuned */
    --color-secondary: #FF6D00;
    /* Discrete Orange */
    --color-bg: #1a1a1a;
    /* Darker Graphite for better contrast */
    --color-surface: #2E2E2E;
    /* Graphite Grey */
    --color-text: #F5F5F5;
    /* White/Light Grey */
    --color-text-muted: #BDBDBD;
    --font-main: 'Inter', sans-serif;
    --border-radius: 4px;
    /* Slightly rounded, almost square for robust feel */
    --transition: all 0.3s ease;
}

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

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

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

ul {
    list-style: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: #fff;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-secondary);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--color-primary);
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn:hover {
    background-color: transparent;
    color: var(--color-primary);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--color-bg);
}

/* Header */
header {
    background-color: rgba(26, 26, 26, 0.95);
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/fundo-hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--color-bg), transparent);
}

.hero-content {
    max-width: 800px;
}

.hero h1 span {
    display: block;
    color: var(--color-primary);
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* Section General */
section {
    padding: 6rem 0;
    position: relative;
}

/* Section 1: Intro */
.intro {
    background-color: var(--color-surface);
}

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

.intro-img img {
    width: 100%;
    border-radius: var(--border-radius);
    border: 1px solid #444;
}

.leap-response-list {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.leap-response-list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text);
}

.leap-response-list li::before {
    content: '✔';
    color: var(--color-primary);
    font-weight: bold;
}

/* Section 2: Differential */
.differential {
    background-color: var(--color-bg);
    overflow: hidden;
}

.differential-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.differential-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.differential-item {
    background: var(--color-surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-top: 3px solid var(--color-secondary);
    transition: transform 0.3s;
}

.differential-item:hover {
    transform: translateY(-5px);
}

.differential-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    color: #fff;
}

.differential-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    display: block;
}

/* Section 3: Solutions */
.solutions {
    background-color: var(--color-surface);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #333;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    border-color: var(--color-primary);
}

.solution-img {
    height: 200px;
    background-color: #333;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.solution-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.solution-card:hover .solution-img img {
    transform: scale(1.05);
}

.solution-content {
    padding: 2rem;
    flex-grow: 1;
}

/* Section 4: Commitment */
.commitment {
    background-color: var(--color-bg);
    text-align: center;
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.commitment-item h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* Section 5: Identity Residential */
.identity {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../images/portao-residencial.jpg');
    background-size: cover;
    background-position: center;
    padding: 8rem 0;
    text-align: center;
}

.identity-box {
    background: rgba(46, 46, 46, 0.9);
    padding: 3rem;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid #555;
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
}

.identity-box h2 {
    color: var(--color-secondary);
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-list span {
    background: #444;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Tables (Lines) */
.table-container {
    overflow-x: auto;
    margin-bottom: 4rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th,
td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid #444;
}

th {
    background-color: #222;
    color: var(--color-primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: #383838;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--color-surface);
    border: 1px solid #444;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
    /* Ensure image doesn't overflow rounded corners */
    padding-bottom: 2rem;
    /* Restore padding at bottom only */
}

.product-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.product-img-card {
    width: 100%;
    height: 200px;
    background-color: #333;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #444;
}

.product-img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-img-card img {
    transform: scale(1.05);
}

.product-content {
    padding: 0 2rem;
}

/* Deprecated product-icon styles removed or kept if used elsewhere (none here) */

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.cyber-form {
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid #444;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.form-control {
    width: 100%;
    padding: 0.8rem;
    background-color: #222;
    border: 1px solid #444;
    color: #fff;
    border-radius: 2px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

.checkbox-visual {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: #111;
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid #222;
    margin-top: auto;
}

.footer-links {
    margin: 1.5rem 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.copyright {
    color: #666;
    font-size: 0.85rem;
}

/* Responsive Contact Form Alignment */
.contact-form-wrapper {
    margin-top: 230px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #fff;
    transition: var(--transition);
}

/* Mobile */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    /* Fix Navigation */
    header {
        padding: 1rem 0;
    }

    /* Hamburger visible on mobile */
    .hamburger {
        display: flex;
    }

    /* Hamburger Animation */
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    nav {
        /* Keep row for logo and hamburger */
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        flex-direction: row;
        /* Force row direction */
        gap: 0;
        /* Reset gap */
    }

    .nav-links {
        position: fixed;
        top: 70px;
        /* Below header */
        right: -100%;
        /* Hidden by default */
        width: 100%;
        height: auto;
        background: rgba(26, 26, 26, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: 0.4s ease;
        border-bottom: 1px solid #333;
        backdrop-filter: blur(10px);
        display: flex;
        /* Always flex, just moved off screen */
    }

    .nav-links.active {
        right: 0;
        /* Visible */
    }

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

    /* Reset contact form gap on mobile */
    .contact-form-wrapper {
        margin-top: 2rem;
    }

    /* Adjust padding for sections */
    section {
        padding: 4rem 0;
    }
}