/* ═══════════════════════════════
   Home page — index styles
   ═══════════════════════════════ */

.error-card { border-color: var(--red); }
.error-text { color: var(--red); }

.feature-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.feature-icon { font-size: 1.8rem; }
.feature-title { font-size: 0.85rem; color: var(--text); margin-top: 0.5rem; }

.invite-card { text-align: center; padding: 2rem; }
.invite-desc { color: var(--text-dim); margin-bottom: 1.2rem; }
.invite-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.invite-btn,
.app-btn {
    font-size: 1rem;
    padding: 0.8rem 2.5rem;
    display: inline-block;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.app-btn {
    background: linear-gradient(135deg, #1a6dff, #0048cc);
    color: #fff;
    box-shadow: 0 0 20px rgba(26,109,255,0.25);
}
.app-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.app-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(26,109,255,0.45), 0 4px 15px rgba(0,0,0,0.3);
    color: #fff;
    text-shadow: none;
}
.app-btn:hover::before {
    left: 100%;
}
.invite-share { font-size: 0.75rem; }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    text-align: center;
}
.step-box { padding: 1rem; }
.step-number {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 6px var(--accent));
}
.step-title { color: var(--text-bright); font-weight: 600; }
.step-desc { font-size: 0.85rem; margin-top: 0.3rem; }

/* ── Mobile ── */
@media (max-width: 600px) {
    .feature-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
    .feature-icon { font-size: 1.4rem; }
    .feature-title { font-size: 0.78rem; }
    .invite-card { padding: 1.2rem; }
    .invite-buttons { flex-direction: column; gap: 0.7rem; }
    .invite-btn, .app-btn { font-size: 0.9rem; padding: 0.7rem 1.5rem; width: 100%; text-align: center; }
    .steps-grid { grid-template-columns: 1fr; gap: 0.8rem; }
    .step-number { font-size: 2rem; }
}