:root {
    --bg-dark: #0a0a0a;
    --text-main: #f5f5f5;
    --text-muted: #a3a3a3;
    --brand-orange: #ff6600;
    --brand-orange-hover: #e65c00;
    --surface: #1a1a1a;
    
    /* Padrão Carbono Premium */
    --carbon-pattern: 
        linear-gradient(27deg, #151515 5px, transparent 5px) 0 5px,
        linear-gradient(207deg, #151515 5px, transparent 5px) 10px 0px,
        linear-gradient(27deg, #222 5px, transparent 5px) 0px 10px,
        linear-gradient(207deg, #222 5px, transparent 5px) 10px 5px,
        linear-gradient(90deg, #1b1b1b 10px, transparent 10px),
        linear-gradient(#1d1d1d 25%, #1a1a1a 25%, #1a1a1a 50%, transparent 50%, transparent 75%, #242424 75%, #242424 100%);
    --carbon-size: 20px 20px;
}

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

body {
    background-color: var(--bg-dark);
    background-image: var(--carbon-pattern);
    background-size: var(--carbon-size);
    color: var(--text-main);
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

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

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

/* Header & Nav */
.header {
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 2px solid var(--brand-orange);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
}

.logo span { color: var(--brand-orange); }

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover { color: var(--brand-orange); }

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background-color: var(--brand-orange);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    text-transform: uppercase;
    transition: background 0.3s;
}

.btn:hover { background-color: var(--brand-orange-hover); }

/* Sections */
.section { padding: 80px 0; }

.section h2 {
    color: var(--brand-orange);
    margin-bottom: 40px;
    font-size: 2rem;
    text-align: center;
}

/* Route display */
.route-box {
    background: var(--surface);
    border: 1px solid #333;
    border-radius: 8px;
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.point h3 { color: var(--brand-orange); }
.point p { font-size: 1.1rem; }

.route-line {
    height: 40px;
    border-left: 3px dashed var(--text-muted);
    margin: 15px 0 15px 20px;
}

/* Partners */
.partners-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.partner-card {
    background: var(--surface);
    padding: 30px;
    border: 1px solid #333;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    min-width: 250px;
    border-bottom: 3px solid var(--brand-orange);
}

/* Footer */
.footer {
    background-color: #050505;
    padding: 30px 0;
    color: var(--text-muted);
    border-top: 1px solid #222;
}