/* =============================
   GLOBAL
============================= */
:root {
    --bg: #02040a;
    --bg-alt: #060913;
    --card: #0c1324;
    --border: #1b2337;
    --text: #f5f7fa;
    --muted: #a1a5b0;
    --accent: #f0b90b;       /* Amarillo Binance */
    --accent-soft: rgba(240,185,11,0.15);
    --success: #2ecc71;
    --danger: #e74c3c;
}

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

body {
    background: var(--bg);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    line-height: 1.4;
}

/* =============================
   NAVBAR
============================= */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 1rem;
    background: rgba(2,4,10,0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.2rem;
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-actions {
    margin-left: auto;
    display: flex;
    gap: 0.6rem;
}

/* =============================
   BUTTONS
============================= */
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #ffcc40);
    color: #000;
    padding: 0.45rem 1rem;
    border-radius: 100px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-outline {
    border: 1px solid var(--border);
    padding: 0.45rem 1rem;
    border-radius: 100px;
    color: var(--text);
    text-decoration: none;
}

.btn-outline:hover {
    border-color: var(--accent);
}

.btn-ghost {
    padding: 0.45rem 1rem;
    border-radius: 100px;
    text-decoration: none;
    background: rgba(255,255,255,0.05);
    color: var(--muted);
}

.btn-lg {
    padding: 0.7rem 1.5rem;
    font-size: 1.1rem;
}

/* =============================
   HERO
============================= */
.hero {
    padding: 4rem 1rem;
    background: radial-gradient(circle at top, #0a1a2a, #02040a 65%);
}

.hero-inner {
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 2.5rem;
    align-items: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero p {
    color: var(--muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.hero-badges span {
    padding: 0.3rem 0.8rem;
    border-radius: 100px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    font-size: 0.85rem;
}

/* =============================
   HERO CARD
============================= */
.hero-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.hero-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.card-sub {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.card-item {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0.8rem;
    border-radius: 0.7rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
}

.card-item span:last-child {
    font-weight: 600;
}

.pos {
    color: var(--success);
}

.neg {
    color: var(--danger);
}

/* =============================
   SECTIONS
============================= */
.section {
    padding: 4rem 1rem;
    max-width: 1000px;
    margin: auto;
}

.section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.section.alt {
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* =============================
   STEPS
============================= */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: 1.5rem;
}

.step {
    padding: 1.2rem;
    background: var(--card);
    border-radius: 1rem;
    border: 1px solid var(--border);
    text-align: center;
}

.step-number {
    display: inline-block;
    width: 38px;
    height: 38px;
    border-radius: 100px;
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    color: var(--accent);
    line-height: 38px;
    margin-bottom: 0.6rem;
    font-weight: bold;
}

/* =============================
   PLANS
============================= */
.pricing-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.price-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 1rem;
    text-align: center;
}

.price-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(240,185,11,0.35);
}

.price {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0.4rem 0 1rem;
}

.price-card ul {
    list-style: none;
    color: var(--muted);
    margin-bottom: 1.2rem;
}

.price-card li {
    margin-bottom: 0.4rem;
}

/* =============================
   FAQ
============================= */
.faq details {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 0.8rem;
    margin-bottom: 0.8rem;
}

.faq summary {
    cursor: pointer;
    font-weight: 600;
}

.faq p {
    color: var(--muted);
    margin-top: 0.6rem;
}

/* =============================
   FOOTER
============================= */
.footer {
    padding: 1.5rem 1rem;
    text-align: center;
    color: var(--muted);
    border-top: 1px solid var(--border);
}



/* =============================
   RESPONSIVE
============================= */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-card {
        margin-top: 2rem;
    }

    .nav-links {
        display: none;
    }
}