:root {
    --bg: #0b0d10;
    --bg-raised: #12151a;
    --bg-terminal: #0e1013;
    --border: #23272e;
    --border-soft: #1a1d22;
    --text: #e7e9ec;
    --text-muted: #8b93a1;
    --text-dim: #565d68;
    --accent: #3ecf8e;
    --accent-dim: #2ba372;
    --warn: #e0b34d;
    --error: #ff6b6b;

    --font-display: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 15% 0%, rgba(62, 207, 142, 0.07), transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(62, 207, 142, 0.04), transparent 35%);
    color: var(--text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* ============================================
   Navbar
   ============================================ */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 5%;
    border-bottom: 1px solid var(--border-soft);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.logo {
    height: 28px;
    width: 28px;
    border-radius: 6px;
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    object-fit: cover;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.2px;
}

.brand-dim {
    color: var(--text-dim);
    font-weight: 400;
}

nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.link-source {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: var(--font-display);
    transition: color 0.15s ease;
}

.link-source:hover {
    color: var(--text);
}

.btn-nav-support {
    text-decoration: none;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.88rem;
    border: 1px solid var(--accent-dim);
    padding: 0.45rem 1.1rem;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.btn-nav-support:hover {
    background-color: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.15);
}

/* ============================================
   Hero
   ============================================ */
.hero {
    flex: 1;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
    padding: 5rem 5% 6rem;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

h1 {
    font-family: var(--font-display);
    font-size: 3.1rem;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -1.5px;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.08rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    text-decoration: none;
    padding: 0.8rem 1.6rem;
    border-radius: 7px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.15s ease;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--accent);
    color: #06110b;
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: #59dba0;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px -4px rgba(62, 207, 142, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    transform: translateY(-1px);
}

/* ============================================
   Terminal (elemento de assinatura)
   ============================================ */
.terminal {
    background-color: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 0.9rem;
    background-color: var(--bg-raised);
    border-bottom: 1px solid var(--border-soft);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background-color: #ff5f57; }
.dot-yellow { background-color: #febc2e; }
.dot-green { background-color: #28c840; }

.terminal-title {
    margin-left: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.78rem;
    color: var(--text-dim);
}

.terminal-body {
    padding: 1.4rem 1.3rem;
    font-family: var(--font-display);
    font-size: 0.88rem;
}

.line {
    white-space: pre-wrap;
    margin-bottom: 0.55rem;
    color: var(--text);
}

.prompt {
    color: var(--accent);
    margin-right: 0.5rem;
}

.out {
    padding-left: 1.3rem;
    color: var(--text-muted);
}

.out.ok::before,
.line.out.ok {
    color: var(--text-muted);
}

.out .dim {
    color: var(--text-muted);
}

.out.ok {
    color: var(--text-muted);
}

.out.ok:first-letter {
    color: var(--accent);
}

.out.warn {
    color: var(--warn);
}

.out.success {
    color: var(--accent);
    font-weight: 500;
}

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

.pad {
    color: var(--border);
    margin: 0 0.35rem;
}

.cursor {
    color: var(--accent);
    animation: blink 1.1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ============================================
   Footer
   ============================================ */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-soft);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 860px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 3rem 6% 4rem;
        gap: 2.5rem;
    }

    h1 {
        font-size: 2.3rem;
    }

    .description {
        max-width: 100%;
    }
}

/* Keyboard focus visibility */
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}