.ptn-wrap { max-width: 960px; margin: 0 auto; padding: 24px 24px 80px; }
.ptn-wrap [hidden] { display: none !important; }

/* ---- hero ---- */
.ptn-hero { margin-bottom: 32px; }
.ptn-hero__badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: 999px;
    background: color-mix(in srgb, var(--lime) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--lime) 25%, transparent);
    font-size: 11px; color: var(--lime); font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}
.ptn-hero__badge svg { width: 12px; height: 12px; stroke-width: 2.5; }
.ptn-h1 {
    font-size: clamp(36px, 6vw, 56px); font-weight: 800;
    letter-spacing: -0.03em; margin: 0 0 16px; line-height: 1.05; color: var(--fg);
}
.ptn-hero__sub {
    font-size: clamp(15px, 1.8vw, 18px); color: var(--fg-dim);
    margin: 0; line-height: 1.6; max-width: 720px;
}

/* ---- showcase cards ---- */
.ptn-show {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px; margin-bottom: 40px;
}
.ptn-show__card {
    padding: 20px; border-radius: 16px;
    background: var(--panel); border: 1px solid var(--bd);
    transition: border-color 0.15s;
}
.ptn-show__card:hover { border-color: var(--bd-hi); }
.ptn-show__ic {
    width: 36px; height: 36px; border-radius: 10px;
    background: color-mix(in srgb, var(--lime) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--lime) 20%, transparent);
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.ptn-show__ic svg { width: 18px; height: 18px; color: var(--lime); stroke-width: 2.5; }
.ptn-show__t { font-size: 15px; font-weight: 700; color: var(--fg); margin-bottom: 6px; }
.ptn-show__d { font-size: 13px; color: var(--fg-dim); line-height: 1.5; }
.ptn-show__d .calc-link { color: var(--lime-dark); font-weight: 600; border-bottom: 1px dashed currentColor; }

/* ---- form panel ---- */
.ptn-panel {
    padding: 32px; border-radius: 20px;
    background: var(--panel); border: 1px solid var(--bd);
    position: relative;
}
.ptn-panel__h2 {
    font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
    margin: 0 0 24px; color: var(--fg);
}
@media (max-width: 640px) {
    .ptn-panel { padding: 24px 20px; }
}

/* ---- info band ---- */
.ptn-info {
    margin-top: 24px; padding: 14px 18px; border-radius: 12px;
    background: color-mix(in srgb, var(--cyan) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--cyan) 20%, transparent);
    display: flex; align-items: flex-start; gap: 12px;
}
.ptn-info > svg { width: 16px; height: 16px; color: var(--cyan); flex-shrink: 0; margin-top: 2px; }
.ptn-info__txt { font-size: 12px; color: var(--fg-dim); line-height: 1.6; }

/* ---- cross-links ---- */
.ptn-links { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--bd); }
.ptn-links__h {
    font-size: 11px; color: var(--fg-muted); font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 14px;
}
.ptn-links__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.ptn-link {
    display: block; padding: 14px; border-radius: 12px; text-align: left;
    background: var(--panel); border: 1px solid var(--bd); color: var(--fg-dim);
    text-decoration: none; transition: border-color 0.15s, color 0.15s;
}
.ptn-link:hover { border-color: var(--bd-hi); color: var(--fg); }
.ptn-link__t { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.ptn-link__d { font-size: 11px; color: var(--fg-muted); }

/* ---- submitted view ---- */
.ptn-done-wrap { max-width: 720px; margin: 0 auto; padding: 60px 24px 100px; }
.ptn-done {
    padding: 48px; border-radius: 24px; text-align: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--lime) 10%, transparent) 0%, color-mix(in srgb, var(--lime) 2%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--lime) 30%, transparent);
    position: relative; overflow: hidden;
}
.ptn-done__glow {
    position: absolute; top: -80px; right: -80px; width: 280px; height: 280px;
    border-radius: 50%; background: color-mix(in srgb, var(--lime) 10%, transparent);
    filter: blur(80px); pointer-events: none;
}
.ptn-done__check {
    width: 72px; height: 72px; border-radius: 18px;
    background: color-mix(in srgb, var(--lime) 15%, transparent);
    border: 2px solid var(--lime);
    display: inline-flex; align-items: center; justify-content: center; margin-bottom: 24px;
}
.ptn-done__check svg { width: 36px; height: 36px; color: var(--lime); stroke-width: 3; }
.ptn-done__h1 { font-size: 32px; font-weight: 800; margin: 0 0 16px; color: var(--fg); letter-spacing: -0.02em; }
.ptn-done__p {
    font-size: 16px; color: var(--fg-dim); line-height: 1.6;
    margin: 0 auto 24px; max-width: 480px;
}
.ptn-done__ref { font-size: 13px; color: var(--fg-muted); margin: 0 0 32px; }
.ptn-done__ref span { font-family: ui-monospace, monospace; color: var(--fg); }
.ptn-done__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.ptn-act {
    padding: 12px 20px; border-radius: 12px;
    font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: none;
    display: inline-flex; align-items: center; gap: 8px;
}
.ptn-act--ghost { background: transparent; border: 1px solid var(--bd); color: var(--fg); }
.ptn-act--lime { background: var(--lime); border: none; color: var(--on-accent); }
.ptn-act--lime svg { width: 14px; height: 14px; stroke-width: 2.5; }