body { font-family: 'Inter', sans-serif; -webkit-font-smoothing: antialiased; }

/* ── Sticky header ── */
#sticky-header {
    transform: translateY(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
#sticky-header.visible { transform: translateY(0); }

/* ── Add to Slack buttons ── */
.slack-btn {
    display: inline-flex; align-items: center; gap: 10px;
    background: #4A154B; color: #fff;
    padding: 13px 22px; border-radius: 8px;
    font-size: 15px; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: opacity 0.15s;
}
.slack-btn:hover { opacity: 0.88; }
.slack-btn-sm {
    display: inline-flex; align-items: center; gap: 8px;
    background: #4A154B; color: #fff;
    padding: 8px 16px; border-radius: 7px;
    font-size: 13px; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: opacity 0.15s;
}
.slack-btn-sm:hover { opacity: 0.88; }

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ── Hero entrance (runs immediately, no scroll needed) ── */
@keyframes heroUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-1 { animation: heroUp 0.6s ease 0.05s both; }
.hero-2 { animation: heroUp 0.6s ease 0.15s both; }
.hero-3 { animation: heroUp 0.6s ease 0.25s both; }
.hero-4 { animation: heroUp 0.6s ease 0.35s both; }
.hero-mock { animation: heroUp 0.7s ease 0.30s both; }

/* ── FAQ accordion ── */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.32s ease, padding 0.2s ease;
}
.faq-answer.open { max-height: 300px; padding-bottom: 20px; }

/* ── Slack mock ── */
.mock-window {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.10), 0 1px 4px rgba(0,0,0,0.06);
    overflow: hidden;
}
.mock-bar {
    background: #3F0E40;
    padding: 10px 14px;
    display: flex; align-items: center; gap: 7px;
}
.mock-dot { width: 11px; height: 11px; border-radius: 50%; }
.mock-avatar {
    width: 34px; height: 34px; border-radius: 7px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 13px;
}
.mock-msg { display: flex; gap: 10px; padding: 14px 18px; align-items: flex-start; }
.mock-name  { font-size: 13px; font-weight: 700; color: #1d1c1d; }
.mock-time  { font-size: 11px; color: #999; margin-left: 6px; font-weight: 400; }
.mock-text  { font-size: 13.5px; color: #1d1c1d; margin-top: 3px; line-height: 1.55; }
.cmd-tag    { background: #f0ecff; color: #7c3aed; border-radius: 4px; padding: 1px 6px; font-family: monospace; font-size: 12.5px; font-weight: 600; }
.tone-chip  { background: #ede9fe; color: #7c3aed; border-radius: 20px; padding: 2px 9px; font-size: 11px; font-weight: 600; display: inline-block; }
.mock-result {
    background: #f9f7ff;
    border-left: 3px solid #7c3aed;
    border-radius: 6px;
    padding: 9px 12px; margin-top: 6px;
    font-size: 13.5px; color: #1d1c1d; line-height: 1.55;
}
.mock-btn {
    background: #fff; border: 1px solid #e2e2e2; border-radius: 4px;
    padding: 3px 10px; font-size: 11.5px; color: #444; cursor: default;
}
.mock-btn.primary { background: #7c3aed; border-color: #7c3aed; color: #fff; }