/* landing.css — Home (/) only */

/* How it works */
.how-it-works {
    padding: 4.5rem 1.5rem 1rem;
    position: relative;
}
.how-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.how-it-works h2 {
    text-align: center;
    font-size: clamp(1.6rem, 2.6vw, 2rem);
    color: var(--text-strong);
    margin-bottom: 0.6rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}
.how-sub {
    text-align: center;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    font-size: 1rem;
}
.how-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    padding: 0;
    counter-reset: how;
}

/* Highlight cards */
.highlight-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.25rem;
    padding: 2rem 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}
.highlight-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    border: 1px solid var(--border);
    transition: all 0.25s ease;
    position: relative;
}
.highlight-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -20px var(--border-strong);
}
.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: var(--indigo-soft);
    color: var(--indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    margin-bottom: 1.1rem;
}
.github-card .card-icon { background: rgba(255, 255, 255, 0.06); color: var(--text-strong); }
.highlight-card h2, .highlight-card h3 {
    font-size: 1.15rem;
    color: var(--text-strong);
    margin-bottom: 0.4rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.highlight-card p {
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.92rem;
}
.api-example {
    display: block;
    background: var(--bg-2);
    padding: 0.75rem 0.9rem;
    border-radius: var(--radius-sm);
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    word-break: break-all;
    border: 1px solid var(--border);
}
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--indigo);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap 0.2s ease;
}
.card-link:hover { gap: 0.7rem; color: var(--text-strong); }

/* Features */
.features { padding: 5rem 1.5rem; max-width: 1100px; margin: 0 auto; }
.features h2, .api-preview h2, .faq h2 {
    text-align: center;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    color: var(--text-strong);
    margin-bottom: 0.75rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}
.features > p, .api-preview > p, .faq > p {
    text-align: center;
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 3rem;
    font-size: 1rem;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}
.feature {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.25s ease;
}
.feature:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: var(--indigo-soft);
    color: var(--indigo);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    transition: all 0.25s ease;
}
.feature:hover .feature-icon {
    background: var(--accent);
    color: white;
}
.feature h3 { color: var(--text-strong); margin-bottom: 0.4rem; font-size: 1.05rem; font-weight: 700; letter-spacing: -0.01em; }
.feature p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }

/* API demo */
.api-preview { padding: 5rem 1.5rem; position: relative; }
.demo-container { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 1.25rem; }
.demo-controls {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--border);
}
.demo-row { display: flex; gap: 0.75rem; margin-bottom: 0.85rem; }
.demo-row.int-options { margin-bottom: 1.25rem; }
.demo-field { flex: 1; }
.demo-field label {
    display: block;
    color: var(--text-dim);
    font-size: 0.78rem;
    margin-bottom: 0.4rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.demo-field input, .demo-field select {
    width: 100%;
    padding: 0.7rem 0.85rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-strong);
    font-size: 0.92rem;
    font-family: inherit;
    transition: all 0.2s ease;
}
.demo-field input:focus, .demo-field select:focus {
    outline: none;
    border-color: var(--indigo);
    box-shadow: 0 0 0 3px var(--indigo-soft);
    background: var(--bg);
}
.demo-field select option { background: var(--surface); color: var(--text-strong); }
.demo-button {
    width: 100%;
    padding: 0.85rem;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    color: var(--accent-ink);
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    transition: background 0.15s ease, color 0.15s ease;
    font-family: inherit;
}
.demo-button:hover:not(:disabled) { background: transparent; color: var(--accent); }
.demo-button:disabled { opacity: 0.6; cursor: not-allowed; }

.demo-output { display: flex; flex-direction: column; gap: 0.85rem; }
.demo-status { font-size: 0.72rem; padding: 0.18rem 0.6rem; border-radius: 999px; font-weight: 600; }
.demo-status.loading { background: rgba(245, 158, 11, 0.15); color: var(--warn); }
.demo-status.success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.demo-status.error { background: rgba(239, 68, 68, 0.15); color: var(--error); }

.demo-results-visual {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    padding: 1.25rem;
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    min-height: 70px;
    align-items: center;
}
.results-placeholder { color: var(--text-faint); font-size: 0.88rem; }
.result-number {
    background: var(--accent);
    color: var(--accent-ink);
    padding: 0.55rem 0.95rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    font-family: var(--mono);
    animation: popIn 0.3s ease forwards;
    opacity: 0;
    transform: scale(0.85);
    border: 1px solid var(--accent);
}
@keyframes popIn { to { opacity: 1; transform: scale(1); } }

/* FAQ container */
.faq { padding: 5rem 1.5rem; max-width: 820px; margin: 0 auto; }

@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .demo-row { flex-direction: column; }
    .features, .api-preview, .faq { padding: 3.5rem 1.25rem; }
}
@media (max-width: 600px) {
    .demo-controls { padding: 1.25rem; }
}