/* Layout basics */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #050510;
    color: #f5f5ff;
}

.wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.site-header {
    background: radial-gradient(circle at top, #3b4bff 0, #050510 55%);
    padding: 2.5rem 0 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.site-header h1 {
    margin: 0;
    font-size: 2.4rem;
    letter-spacing: 0.03em;
}

.tagline {
    margin: 0.75rem 0 1.5rem;
    font-size: 0.95rem;
    opacity: 0.85;
}

/* Navigation */
.main-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: #c3d4ff;
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    border: 1px solid transparent;
}

.main-nav a:hover {
    border-color: rgba(255,255,255,0.4);
    background: rgba(15, 20, 60, 0.7);
}

/* Sections */
.section-block {
    margin: 2.5rem 0;
}

.section-block h2 {
    font-size: 1.6rem;
    margin-bottom: 0.25rem;
}

.section-subtitle {
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    opacity: 0.8;
}

.intro {
    margin: 2rem 0 1rem;
    font-size: 1rem;
    opacity: 0.95;
}

/* Cards grid */
.card-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
}

@media (min-width: 720px) {
    .card-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* Individual card layout */
.bot-card {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    background: linear-gradient(145deg, #111221, #080815);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

@media (max-width: 640px) {
    .bot-card {
        grid-template-columns: minmax(0, 1fr);
    }
}

.bot-image img {
    max-width: 100%;
    border-radius: 10px;
    display: block;
}

.bot-content h3 {
    margin: 0 0 0.35rem;
    font-size: 1.25rem;
}

.bot-tagline {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    color: #cbd3ff;
}

.bot-content p {
    margin-top: 0;
    margin-bottom: 0.6rem;
    font-size: 0.92rem;
    line-height: 1.4;
}

/* Buttons / links */
.link-row {
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.btn {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-size: 0.9rem;
    text-decoration: none;
    color: #050510;
    background: #c8d0ff;
    border: 1px solid #c8d0ff;
    font-weight: 600;
}

.btn:hover {
    filter: brightness(1.05);
}

.btn.secondary {
    background: transparent;
    color: #c8d0ff;
    border-color: rgba(200,208,255,0.7);
}

.btn.secondary:hover {
    background: rgba(200,208,255,0.08);
}

/* About / FAQ */
.about-grid {
    display: grid;
    gap: 1.25rem;
}

@media (min-width: 800px) {
    .about-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.about-grid h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.about-grid p,
.about-grid li {
    font-size: 0.92rem;
    line-height: 1.4;
}

/* Footer */
.site-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 1.5rem 0 2rem;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.8;
}

.site-footer a {
    color: #c3d4ff;
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}