.feature-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
.feature-card { position: relative; display: flex; min-width: 0; padding: 36px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); flex-direction: column; grid-column: span 2; background: var(--bg-2); box-shadow: var(--shadow-card); transition: border-color 200ms ease; }
.feature-card:hover { border-color: var(--line-strong); }
.feature-card-wide { grid-column: span 4; }
.feature-card-half { grid-column: span 3; }
.feature-card h3 { max-width: 480px; margin: 0 0 12px; color: var(--text-1); font-size: 22px; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }
.feature-card p { max-width: 480px; margin: 0 0 24px; color: var(--text-2); font-size: 15px; line-height: 1.7; }
.feature-card > .feature-visual, .feature-card > .tool-grid, .feature-card > .review-visual, .feature-card > .auth-flow, .feature-card > .model-switcher { margin-top: auto; }
.feature-card > div:first-child + .feature-visual { margin-top: 32px; }
.feature-card-split { display: grid; align-items: center; gap: 40px; grid-template-columns: 1fr 1fr; }
.feature-card-split > .feature-visual, .feature-card-split > .mode-visual { margin-top: 0 !important; }
.feature-card-split p { margin-bottom: 0; }

.project-visual { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-md); font-size: 14px; text-align: left; background: var(--bg-1); }
.project-visual b { color: var(--text-1); font-weight: 600; }
.project-visual .project-dot { display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 3px; background: var(--brand-grad); }
.project-visual small { display: block; margin: 2px 0 14px 17px; color: var(--text-3); font-family: var(--font-mono); font-size: 12px; }
.project-visual ul { display: grid; margin: 0; padding: 0; list-style: none; gap: 4px; }
.project-visual li { display: flex; padding: 9px 12px; border-radius: var(--radius-sm); justify-content: space-between; color: var(--text-2); font-size: 13px; }
.project-visual li.active { color: var(--text-1); background: var(--bg-3); }
.project-visual em { color: var(--text-3); font-style: normal; font-variant-numeric: tabular-nums; }

.model-switcher { margin-top: 24px; }
.model-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.model-tabs button { display: flex; white-space: nowrap; min-width: 0; min-height: 44px; padding: 0 8px; border: 1px solid var(--line); border-radius: var(--radius-md); align-items: center; justify-content: center; gap: 6px; color: var(--text-2); background: var(--bg-1); font-size: 13px; font-weight: 600; cursor: pointer; transition: border-color 160ms ease, color 160ms ease, background 160ms ease; }
.model-tabs button:hover { border-color: var(--line-strong); color: var(--text-1); }
.model-tabs button.is-active { border-color: rgba(38, 220, 236, 0.45); color: var(--text-1); background: rgba(38, 220, 236, 0.07); }
.model-tabs img { width: 18px; height: 18px; object-fit: contain; }
.model-tabs button:first-child img { filter: invert(1); }
.model-coming-option { display: flex; min-height: 44px; padding: 6px 10px; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); grid-column: 1 / -1; align-items: center; justify-content: center; gap: 8px; color: var(--text-3); font-size: 12px; font-weight: 500; }
.model-coming-option small { color: var(--text-3); font-size: 12px; }
.model-panel { display: grid; margin-top: 10px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-md); grid-template-columns: 1fr auto; align-items: center; gap: 4px 16px; background: var(--bg-1); }
.model-panel small, .model-panel strong { display: block; }
.model-panel small { color: var(--text-3); font-size: 12px; }
.model-panel strong { margin-top: 2px; color: var(--text-1); font-family: var(--font-mono); font-size: 15px; font-weight: 500; }
.model-panel > b { padding: 4px 10px; border-radius: 999px; color: var(--brand-1); background: rgba(38, 220, 236, 0.1); font-size: 12px; font-weight: 600; }
.model-panel > p { margin: 10px 0 0; grid-column: 1 / -1; color: var(--text-2); font-size: 13px; line-height: 1.65; }
.model-panel footer { display: flex; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); grid-column: 1 / -1; flex-wrap: wrap; gap: 8px; }
.model-panel footer span { padding: 3px 8px; border-radius: 6px; color: var(--text-2); background: var(--bg-3); font-size: 12px; font-weight: 500; }

.auth-flow { display: grid; margin: 24px 0 0; padding: 0; list-style: none; gap: 8px; }
.auth-flow li { display: flex; min-height: 56px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius-md); align-items: center; gap: 12px; background: var(--bg-1); }
.auth-flow li > span { display: grid; width: 28px; height: 28px; flex: 0 0 auto; border-radius: 8px; place-items: center; color: var(--bg-0); background: var(--brand-grad); font-size: 12px; font-weight: 700; }
.auth-flow b, .auth-flow small { display: block; }
.auth-flow b { color: var(--text-1); font-size: 14px; font-weight: 600; }
.auth-flow small { margin-top: 1px; color: var(--text-3); font-size: 12px; }
.security-line { display: flex; margin-top: 20px; align-items: center; gap: 10px; color: var(--text-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; }
.security-line i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 12px rgba(61, 220, 151, 0.5); }

.mode-pills { display: inline-flex; margin-top: 24px; padding: 4px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-1); }
.mode-pills span { min-width: 78px; padding: 7px 18px; border-radius: 8px; color: var(--text-3); font-size: 13px; font-weight: 600; text-align: center; }
.mode-pills .is-active { color: var(--text-1); background: var(--bg-3); }
.mode-visual { display: grid; gap: 10px; }
.mode-visual section { position: relative; padding: 18px 20px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-1); }
.mode-visual section::after { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 2px; background: var(--brand-grad); }
.mode-visual small { color: var(--brand-1); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; }
.mode-visual b { display: block; margin-top: 6px; color: var(--text-1); font-size: 14px; font-weight: 600; }
.mode-visual p { margin: 4px 0 0; color: var(--text-3); font-size: 12px; }

.tool-grid { display: grid; margin-top: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.tool-grid span { display: flex; min-height: 56px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); align-items: center; gap: 10px; background: var(--bg-1); }
.tool-grid b { display: grid; width: 30px; height: 30px; border-radius: 8px; place-items: center; color: var(--brand-1); background: rgba(38, 220, 236, 0.08); }
.tool-grid svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tool-grid small { color: var(--text-2); font-size: 13px; font-weight: 500; }

.review-visual { margin-top: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-1); }
.review-visual header { display: flex; min-height: 42px; padding: 0 14px; border-bottom: 1px solid var(--line); align-items: center; gap: 8px; color: var(--text-3); font-size: 12px; }
.review-visual header span { margin-right: auto; }
.review-visual header b { color: var(--ok); font-weight: 600; }
.review-visual header i { color: var(--danger); font-style: normal; }
.review-visual > div { display: grid; min-height: 64px; padding: 12px 14px; align-items: center; grid-template-columns: auto 1fr auto; gap: 11px; }
.review-visual > div > span { color: var(--ok); font-size: 22px; }
.review-visual p { min-width: 0; margin: 0; }
.review-visual small, .review-visual p b { display: block; }
.review-visual small { color: var(--text-3); font-size: 11px; }
.review-visual p b { overflow: hidden; margin-top: 2px; color: var(--text-2); font-family: var(--font-mono); font-size: 11px; font-weight: 400; text-overflow: ellipsis; white-space: nowrap; }
.review-visual em { color: var(--text-3); font-size: 18px; font-style: normal; }

@media (max-width: 1024px) {
  .feature-card, .feature-card-half { grid-column: span 3; }
  .feature-card-wide { grid-column: 1 / -1; }
}
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-card-wide, .feature-card-half { grid-column: auto; }
  .feature-card-split { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .feature-card { padding: 26px; border-radius: var(--radius-md); }
  .feature-card h3 { font-size: 20px; }
  .model-panel { grid-template-columns: 1fr; }
  .model-panel > b { width: max-content; }
  .mode-pills { width: 100%; }
  .mode-pills span { min-width: 0; flex: 1; }
  .tool-grid { grid-template-columns: 1fr; }
}

.showcase-list { display: grid; gap: clamp(48px, 7vw, 96px); }
.showcase-row { display: grid; align-items: center; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: clamp(28px, 5vw, 72px); }
.showcase-row.is-reverse { grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr); }
.showcase-row.is-reverse .showcase-copy { order: 2; }
.showcase-copy .eyebrow { margin-bottom: 12px; }
.showcase-copy h3 { margin: 0; color: var(--text-1); font-size: clamp(24px, 2.6vw, 34px); font-weight: 650; line-height: 1.2; }
.showcase-copy > p:not(.eyebrow) { margin: 16px 0 0; color: var(--text-2); font-size: 16px; line-height: 1.75; }
.showcase-tags { display: flex; margin-top: 22px; flex-wrap: wrap; gap: 8px; }
.showcase-tags span { padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--text-2); background: var(--bg-2); font-size: 13px; }
.showcase-shot { margin: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--bg-2); box-shadow: var(--shadow-card); }
.showcase-shot img { display: block; width: 100%; height: auto; }
@media (max-width: 860px) {
  .showcase-row, .showcase-row.is-reverse { grid-template-columns: 1fr; }
  .showcase-row.is-reverse .showcase-copy { order: 0; }
}
.showcase-shot figcaption { padding: 12px 18px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 13px; }
.showcase-row.is-textonly { max-width: 760px; margin-inline: auto; grid-template-columns: 1fr; text-align: center; }
.showcase-row.is-textonly .showcase-tags { justify-content: center; }