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

:root {
    --bg:        #0A1628;
    --bg-card:   #111F35;
    --bg-nav:    #081120;
    --border:    rgba(255,255,255,0.08);
    --text:      #C8DBF0;
    --muted:     #8BA3C7;
    --bright:    #FFFFFF;
    --accent:    #F5A623;
    --purple:    #667eea;
    --purple2:   #764ba2;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

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

/* ── Nav ─────────────────────────────────────────────── */
nav {
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-logo {
    font-size: 17px;
    font-weight: 700;
    color: var(--bright);
    letter-spacing: -0.01em;
    text-decoration: none;
}

.nav-logo span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--bright); }

/* ── Containers ──────────────────────────────────────── */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Footer ──────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    font-size: 13px;
    color: var(--muted);
    margin-top: 80px;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

.footer-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.1s;
    cursor: pointer;
    border: none;
}

.btn:hover { opacity: 0.88; transform: translateY(-1px); text-decoration: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--purple), var(--purple2));
    color: #fff;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
}

.btn-disabled {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    color: var(--muted);
    cursor: default;
}

.btn-disabled:hover { opacity: 1; transform: none; }

/* ── Cards ───────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
}

/* ── Section heading ─────────────────────────────────── */
.section-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 8px;
}

h1 {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    color: var(--bright);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--bright);
    margin: 40px 0 12px;
}

h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--bright);
    margin-bottom: 8px;
}

p { margin-bottom: 14px; }
p:last-child { margin-bottom: 0; }

ul { margin: 0 0 14px 20px; }
ul li { margin-bottom: 6px; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
    .nav-links { gap: 16px; }
    .nav-links a { font-size: 13px; }
}