:root {
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --text-main: #e0e0e0;
    --text-muted: #888;
    --accent: #d4af37; /* Oro histórico */
    --accent-glow: rgba(212, 175, 55, 0.3);
    --white: #ffffff;
    --font-head: 'Cinzel', serif;
    --font-body: 'Inter', sans-serif;
}

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

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

a { text-decoration: none; color: inherit; transition: 0.3s; }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
}

.navbar nav a {
    margin-left: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.navbar nav a:hover { color: var(--accent); }
.btn-login { color: var(--white) !important; font-weight: 600; }

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

@media (min-width: 900px) {
    .hero { grid-template-columns: 1fr 1fr; padding: 6rem 2rem; }
}

.hero-content h1 {
    font-family: var(--font-head);
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.cta-group { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 1rem 2rem;
    border-radius: 2px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn-primary:hover { background: #b5952f; }

.setup-tag {
    font-size: 0.8rem;
    color: var(--text-muted);
    border-left: 2px solid var(--accent);
    padding-left: 0.8rem;
}

/* Comparison Slider */
.comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/5; /* Formato documento */
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}
@media (min-width: 900px) { .comparison-slider { aspect-ratio: 16/10; } }

.base-img, .c-img-overlay img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.c-img-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.c-slider {
    position: absolute;
    top: 50%; left: 0;
    width: 100%;
    opacity: 0;
    cursor: col-resize;
    z-index: 10;
}

.c-line {
    position: absolute;
    top: 0; bottom: 0; left: 50%;
    width: 2px;
    background: var(--accent);
    z-index: 5;
    pointer-events: none;
    box-shadow: 0 0 10px var(--accent-glow);
}
.c-label {
    position: absolute;
    top: 1rem; left: 1rem;
    background: rgba(0,0,0,0.7);
    color: var(--accent);
    padding: 0.3rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
}

/* Features */
.features {
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.f-card {
    background: var(--bg-card);
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.f-card h3 {
    font-family: var(--font-head);
    color: var(--accent);
    margin-bottom: 1rem;
}

.f-card p { color: var(--text-muted); font-size: 0.95rem; }

/* Pricing */
.pricing {
    padding: 4rem 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing h2 {
    font-family: var(--font-head);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.pricing-sub { color: var(--text-muted); margin-bottom: 3rem; }

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

.p-card {
    background: var(--bg-card);
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    transition: 0.3s;
}

.p-card.popular {
    border: 1px solid var(--accent);
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 2;
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 0.2rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.p-header { margin-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 1.5rem; }
.p-header h3 { font-family: var(--font-head); font-size: 1.2rem; margin-bottom: 1rem; }
.price { font-size: 2.5rem; font-weight: 700; color: var(--white); }
.currency { font-size: 0.9rem; color: var(--text-muted); font-weight: 400; }

.p-features { list-style: none; margin-bottom: 2rem; text-align: left; }
.p-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    color: #ccc;
    font-size: 0.95rem;
}
.p-features li strong { color: var(--white); }

.btn-plan {
    display: block;
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--white);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}
.btn-glow {
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    font-weight: 700;
}
.btn-plan:hover { border-color: var(--accent); color: var(--accent); }
.btn-glow:hover { background: #b5952f; color: var(--bg-dark); }

.setup-note {
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Footer */
footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 3rem 2rem;
    margin-top: 4rem;
    background: #050505;
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}
.f-brand { font-family: var(--font-head); font-weight: 700; color: var(--accent); }
.f-links a { margin-left: 2rem; color: var(--text-muted); font-size: 0.85rem; }
.copyright {
    text-align: center;
    margin-top: 3rem;
    font-size: 0.75rem;
    color: #444;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .navbar { padding: 1rem; }
    .hero-content h1 { font-size: 2rem; }
    .hero { gap: 2rem; padding-top: 2rem; }
    .f-links { width: 100%; display: flex; flex-direction: column; gap: 1rem; }
    .f-links a { margin-left: 0; }
}