/* EXITO Design System - ex- 프리픽스 컴포넌트 레이어
 *
 * ex- 프리픽스는 기존 Gnuboard/테마 CSS와의 충돌을 막는다.
 * 색상 토큰은 nav.css 의 실제 브랜드 팔레트(--exito-*)를 참조한다.
 * 팔레트를 한 곳에서만 관리하기 위해 여기서 값을 다시 정의하지 않는다.
 */

:root {
  --ex-color-bg: var(--exito-dark, #07101a);
  --ex-color-surface: rgba(245, 240, 232, 0.04);
  --ex-color-surface-strong: var(--exito-panel, #101924);
  --ex-color-text: var(--exito-ink, #f5f0e8);
  --ex-color-muted: var(--exito-muted, rgba(245, 240, 232, 0.68));
  --ex-color-line: var(--exito-line, rgba(245, 240, 232, 0.14));
  --ex-color-brand: var(--exito-ink, #f5f0e8);
  --ex-color-accent: var(--exito-accent, #d98762);

  --ex-radius-sm: 6px;
  --ex-radius-md: 10px;
  --ex-radius-lg: 14px;

  --ex-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --ex-shadow-md: 0 18px 50px rgba(0, 0, 0, 0.32);

  --ex-shell: 1440px;

  --ex-space-1: 4px;
  --ex-space-2: 8px;
  --ex-space-3: 12px;
  --ex-space-4: 16px;
  --ex-space-5: 24px;
  --ex-space-6: 32px;
  --ex-space-7: 48px;
  --ex-space-8: 72px;
}

/* ---------- layout ---------- */

.ex-shell {
  width: min(var(--ex-shell), calc(100% - 80px));
  margin: 0 auto;
}

.ex-section {
  padding: var(--ex-space-8) 0;
}

.ex-eyebrow {
  margin: 0 0 var(--ex-space-3);
  color: var(--ex-color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ex-section-heading {
  max-width: 860px;
}

.ex-section-heading h1,
.ex-section-heading h2,
.ex-section-heading h3 {
  margin: 0;
  color: var(--ex-color-text);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  word-break: auto-phrase;
}

.ex-section-heading h1 {
  font-size: clamp(32px, 5vw, 60px);
}

.ex-section-heading h2 {
  font-size: clamp(26px, 3.4vw, 40px);
}

.ex-section-heading__description {
  margin: var(--ex-space-4) 0 0;
  color: var(--ex-color-muted);
  font-size: 17px;
  line-height: 1.75;
  word-break: auto-phrase;
}

/* ---------- grid ---------- */

.ex-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ex-space-5);
}

.ex-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ex-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ---------- card ---------- */

.ex-card {
  display: block;
  min-width: 0;
  padding: var(--ex-space-6);
  color: inherit;
  text-decoration: none;
  background: var(--ex-color-surface);
  border: 1px solid var(--ex-color-line);
  border-radius: var(--ex-radius-lg);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

a.ex-card:hover,
a.ex-card:focus-visible {
  background: rgba(245, 240, 232, 0.07);
  border-color: rgba(245, 240, 232, 0.28);
  transform: translateY(-2px);
}

.ex-card__title {
  margin: 0;
  color: var(--ex-color-text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  word-break: auto-phrase;
}

.ex-card__title a {
  color: inherit;
  text-decoration: none;
}

.ex-card__title a:hover,
.ex-card__title a:focus-visible {
  color: var(--ex-color-accent);
}

.ex-card__description {
  margin: var(--ex-space-3) 0 0;
  color: var(--ex-color-muted);
  font-size: 15px;
  line-height: 1.7;
  word-break: auto-phrase;
}

/* ---------- chips ---------- */

.ex-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ex-space-2);
  margin: var(--ex-space-4) 0 0;
  padding: 0;
  list-style: none;
}

.ex-chip-list li {
  padding: 6px 10px;
  color: var(--ex-color-muted);
  font-size: 12px;
  line-height: 1.2;
  background: rgba(245, 240, 232, 0.05);
  border: 1px solid var(--ex-color-line);
  border-radius: 999px;
}

/* ---------- badge ---------- */

.ex-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: 999px;
}

.ex-badge--live {
  color: #7ee2b8;
  background: rgba(126, 226, 184, 0.12);
  border-color: rgba(126, 226, 184, 0.3);
}

.ex-badge--beta {
  color: var(--ex-color-accent);
  background: rgba(217, 135, 98, 0.14);
  border-color: rgba(217, 135, 98, 0.34);
}

.ex-badge--coming_soon {
  color: var(--ex-color-muted);
  background: rgba(245, 240, 232, 0.06);
  border-color: var(--ex-color-line);
}

.ex-badge--deprecated,
.ex-badge--hidden {
  color: rgba(245, 240, 232, 0.5);
  background: transparent;
  border-color: var(--ex-color-line);
}

/* ---------- button ---------- */

.ex-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  color: var(--ex-color-text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--ex-radius-sm);
  transition: opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.ex-btn:hover,
.ex-btn:focus-visible {
  opacity: 0.86;
}

.ex-btn--primary {
  color: #10131a;
  background: var(--ex-color-text);
}

.ex-btn--accent {
  color: #170d07;
  background: var(--ex-color-accent);
}

.ex-btn--secondary {
  color: var(--ex-color-text);
  background: transparent;
  border-color: var(--ex-color-line);
}

.ex-btn--secondary:hover,
.ex-btn--secondary:focus-visible {
  border-color: rgba(245, 240, 232, 0.34);
}

.ex-btn--ghost {
  color: var(--ex-color-muted);
  background: transparent;
}

.ex-btn--ghost:hover,
.ex-btn--ghost:focus-visible {
  color: var(--ex-color-text);
}

.ex-btn--sm {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}

.ex-btn--lg {
  min-height: 52px;
  padding: 0 26px;
  font-size: 15px;
}

/* ---------- product card ---------- */

.ex-product-card {
  display: flex;
  flex-direction: column;
}

.ex-product-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ex-space-3);
  margin-bottom: var(--ex-space-4);
}

.ex-product-card__version {
  color: var(--ex-color-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.ex-product-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ex-space-2);
  margin-top: auto;
  padding-top: var(--ex-space-5);
}

/* ---------- service card ---------- */

.ex-service-card .ex-card__title {
  font-size: 22px;
}

/* ---------- breadcrumb ---------- */

.ex-breadcrumb {
  color: var(--ex-color-muted);
  font-size: 13px;
}

.ex-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ex-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: rgba(245, 240, 232, 0.36);
}

.ex-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.ex-breadcrumb span {
  color: var(--ex-color-text);
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .ex-shell {
    width: min(var(--ex-shell), calc(100% - 48px));
  }

  .ex-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .ex-section {
    padding: var(--ex-space-7) 0;
  }

  .ex-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ex-shell {
    width: calc(100% - 32px);
  }

  .ex-grid,
  .ex-grid--2,
  .ex-grid--4 {
    grid-template-columns: 1fr;
  }

  .ex-card {
    padding: var(--ex-space-5);
  }
}

/* ---------- product screenshots ---------- */

.ex-product-shots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ex-space-5);
}

.ex-product-shot {
  margin: 0;
  overflow: hidden;
  background: var(--ex-color-surface);
  border: 1px solid var(--ex-color-line);
  border-radius: var(--ex-radius-lg);
}

.ex-product-shot img {
  display: block;
  width: 100%;
  height: auto;
}

.ex-product-shot figcaption {
  padding: var(--ex-space-4) var(--ex-space-5);
  color: var(--ex-color-muted);
  font-size: 14px;
  line-height: 1.6;
  border-top: 1px solid var(--ex-color-line);
}

@media (max-width: 900px) {
  .ex-product-shots {
    grid-template-columns: 1fr;
  }
}

/* ---------- proof card ---------- */

.ex-proof-card__value {
  margin: 0 0 var(--ex-space-3);
  color: var(--ex-color-text);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ---------- belief / principles ---------- */

.ex-belief__body {
  max-width: 760px;
  margin-top: var(--ex-space-6);
  color: var(--ex-color-muted);
  font-size: 17px;
  line-height: 1.85;
  word-break: auto-phrase;
}

.ex-principle-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ex-space-6);
  margin: var(--ex-space-8) 0 0;
  padding: 0;
  list-style: none;
}

.ex-principle {
  padding-top: var(--ex-space-5);
  border-top: 1px solid var(--ex-color-line);
}

.ex-principle__number {
  display: block;
  margin-bottom: var(--ex-space-4);
  color: var(--ex-color-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.ex-principle__title {
  margin: 0 0 var(--ex-space-4);
  color: var(--ex-color-text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  word-break: auto-phrase;
}

.ex-principle__body {
  margin: 0;
  color: var(--ex-color-muted);
  font-size: 15px;
  line-height: 1.75;
  word-break: auto-phrase;
}

.ex-principle__proof {
  margin: var(--ex-space-5) 0 0;
  padding-left: var(--ex-space-4);
  color: var(--ex-color-text);
  font-size: 14px;
  line-height: 1.6;
  border-left: 2px solid var(--ex-color-accent);
  word-break: auto-phrase;
}

/* ---------- featured case ---------- */

.ex-feature-case {
  display: block;
  margin-top: var(--ex-space-6);
  padding: var(--ex-space-8) var(--ex-space-7);
}

.ex-feature-case .ex-card__title {
  font-size: clamp(24px, 2.6vw, 32px);
}

/* ---------- work (portfolio) ---------- */

.ex-work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--ex-space-5);
}

.ex-work-card {
  display: block;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  background: var(--ex-color-surface);
  border: 1px solid var(--ex-color-line);
  border-radius: var(--ex-radius-lg);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.ex-work-card:hover,
.ex-work-card:focus-visible {
  border-color: rgba(245, 240, 232, 0.28);
  transform: translateY(-2px);
}

.ex-work-card__media {
  position: relative;
  aspect-ratio: 556 / 402;
  overflow: hidden;
  background: var(--ex-color-surface-strong);
}

.ex-work-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.ex-work-card:hover .ex-work-card__media img {
  transform: scale(1.03);
}

.ex-work-card__body {
  padding: var(--ex-space-5);
}

.ex-work-card__body .ex-eyebrow {
  margin-bottom: var(--ex-space-2);
}

.ex-work-card__title {
  margin: 0;
  color: var(--ex-color-text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  word-break: auto-phrase;
}

.ex-work-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--ex-space-4);
  margin-bottom: var(--ex-space-6);
  padding-bottom: var(--ex-space-4);
  border-bottom: 1px solid var(--ex-color-line);
}

.ex-work-group__title {
  margin: 0;
  color: var(--ex-color-text);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ex-work-group__frame {
  flex: 1 1 320px;
  margin: 0;
  color: var(--ex-color-muted);
  font-size: 15px;
  line-height: 1.6;
  word-break: auto-phrase;
}

.ex-work-group__count {
  color: var(--ex-color-muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
  .ex-principle-list,
  .ex-work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ex-principle-list,
  .ex-work-grid {
    grid-template-columns: 1fr;
  }

  .ex-feature-case {
    padding: var(--ex-space-6) var(--ex-space-5);
  }
}