:root {
    --bg:         #17212b;
    --bg-card:    #232e3c;
    --bg-nav:     #1c2a35;
    --accent:     #2aabee;
    --accent-h:   #1a9fd4;
    --text:       #ffffff;
    --muted:      #7d8b99;
    --border:     #2b3a4a;
    --green:      #31b545;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ── Nav ── */
nav {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 10;
}
.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
}
.nav-links a {
    color: var(--muted);
    margin-left: 24px;
    font-size: 0.9rem;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.nav-cta {
    color: var(--accent);
    font-weight: 600;
}
.nav-links a.nav-cta:hover { color: var(--accent-h); }

/* ── Buttons ── */
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.15s;
    cursor: pointer;
}
.btn:hover { background: var(--accent-h); }
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }

/* ── Hero ── */
.hero {
    padding: 72px 0 56px;
    text-align: center;
}
.hero h1 {
    font-size: 2.2rem;
    line-height: 1.25;
    margin-bottom: 16px;
}
.hero h1 span { color: var(--accent); }
.hero p {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 560px;
    margin: 0 auto 32px;
}
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Features ── */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 48px 0;
}
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}
.card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.card h3 { font-size: 0.95rem; margin-bottom: 6px; }
.card p { color: var(--muted); font-size: 0.88rem; }

/* ── Section ── */
.section { padding: 48px 0; }
.section-title {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 32px;
}

/* ── Pricing ── */
.pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
}
.price-card.best { border-color: var(--accent); }
.price-card .label { color: var(--muted); font-size: 0.9rem; margin-bottom: 8px; }
.price-card .amount {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}
.price-card .per-day { color: var(--muted); font-size: 0.8rem; margin-bottom: 6px; }
.price-card .save { color: var(--green); font-size: 0.8rem; margin-bottom: 16px; }
.price-card-btns { display: flex; flex-direction: column; gap: 8px; }
.price-card-btns .btn { width: 100%; text-align: center; }

/* ── CTA banner ── */
.cta-banner-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.cta-banner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 40px 32px;
    text-align: center;
    margin: 48px 0;
}
.cta-banner h2 { font-size: 1.4rem; margin-bottom: 10px; }
.cta-banner p { color: var(--muted); margin-bottom: 24px; }

/* ── FAQ ── */
.faq-list { max-width: 720px; margin: 0 auto; }
details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}
details summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 500;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: '+'; color: var(--accent); font-size: 1.3rem; font-weight: 300; }
details[open] summary::after { content: '−'; }
.faq-body { padding: 0 20px 18px; color: var(--muted); line-height: 1.7; }
.faq-body p { margin-bottom: 8px; }
.faq-body ol, .faq-body ul { padding-left: 18px; margin-top: 6px; }
.faq-body li { margin-bottom: 4px; }

/* ── Guide steps ── */
.steps { max-width: 680px; margin: 0 auto; }
.step {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: flex-start;
}
.step-n {
    width: 34px;
    height: 34px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}
.step-body h3 { margin-bottom: 4px; font-size: 1rem; }
.step-body p { color: var(--muted); font-size: 0.9rem; }
.step-body code {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 7px;
    font-size: 0.85rem;
    color: var(--accent);
}
.guide-tab-btns { display: flex; gap: 10px; margin-bottom: 28px; }
.tab-btn {
    padding: 8px 20px;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.15s;
}
.tab-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Terms ── */
.terms-content { max-width: 720px; margin: 0 auto; }
.terms-content h2 {
    font-size: 1rem;
    color: var(--accent);
    margin: 28px 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.8rem;
}
.terms-content p, .terms-content li {
    color: var(--muted);
    margin-bottom: 10px;
    line-height: 1.75;
    font-size: 0.93rem;
}
.terms-content ul { padding-left: 20px; }

/* ── Page header ── */
.page-hdr {
    padding: 52px 0 36px;
    text-align: center;
}
.page-hdr h1 { font-size: 1.8rem; margin-bottom: 8px; }
.page-hdr p { color: var(--muted); }

/* ── Footer ── */
footer {
    border-top: 1px solid var(--border);
    padding: 28px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--muted);
    font-size: 0.85rem;
}
footer a { color: var(--muted); margin: 0 8px; }
footer a:hover { color: var(--text); }

/* ── Mobile nav toggle ── */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 6px;
    line-height: 1;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .hero h1 { font-size: 1.6rem; }
    .features { grid-template-columns: 1fr; }
    .pricing { grid-template-columns: 1fr; }
    .hero-btns { flex-direction: column; align-items: center; }

    .nav-toggle { display: block; }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-nav);
        border-bottom: 1px solid var(--border);
        padding: 8px 20px 16px;
        z-index: 20;
    }
    .nav-links.open { display: flex; }
    .nav-links a { margin-left: 0; padding: 10px 0; font-size: 1rem; border-bottom: 1px solid var(--border); }
    .nav-links a:last-child { border-bottom: none; }
}