/* Industry — design-system tokens and component classes.
   ⚠️ 핸드오프(`design-system/styles.css`)에서 그대로 가져온 것이다. 값을 여기서 고치지 않는다 —
      디자인 시스템이 바뀌면 이 파일을 다시 받아 덮는다. 페이지 층의 확장은 `site.css` 에 있다.
   ⭐ 웹폰트 `@import` 만 뺐다 — 폰트는 각 쪽의 <head> 에서 preconnect 와 함께 받는다. */

:root {
  --color-bg: #f2f2f3;
  --color-surface: #e9e9ea;
  --color-text: #1d1f20;
  --color-accent: #5980a6;
  --color-accent-2: #728fab;
  --color-divider: color-mix(in srgb, #1d1f20 16%, transparent);

  --color-neutral-100: #f5f5f8;
  --color-neutral-200: #e7e7ea;
  --color-neutral-300: #d4d4d7;
  --color-neutral-400: #b7b7ba;
  --color-neutral-500: #98989b;
  --color-neutral-600: #7a7a7d;
  --color-neutral-700: #5d5d60;
  --color-neutral-800: #424244;
  --color-neutral-900: #2b2b2d;

  --color-accent-100: #eef6ff;
  --color-accent-200: #d6ebff;
  --color-accent-300: #b5d9fd;
  --color-accent-400: #94bce3;
  --color-accent-500: #749dc4;
  --color-accent-600: #597ea3;
  --color-accent-700: #416180;
  --color-accent-800: #2c455d;
  --color-accent-900: #1d2d3d;

  --font-heading: "Barlow Condensed", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Barlow", system-ui, sans-serif;

  --space-1: 3.4px;
  --space-2: 6.8px;
  --space-3: 10.2px;
  --space-4: 13.6px;
  --space-6: 20.4px;
  --space-8: 27.2px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400;
  background: var(--color-bg); color: var(--color-text); font-family: var(--font-body);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; } h2 { font-size: 32px; } h3 { font-size: 25px; }
h4 { font-size: 20px; } h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — the signature frame — */
.blueprint { position: relative; border: 1px solid var(--color-divider); border-radius: 0; }
.blueprint > .corner {
  position: absolute; width: 11px; height: 11px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.blueprint > .corner::before, .blueprint > .corner::after { content: ""; position: absolute; background: currentColor; }
.blueprint > .corner::before { left: 5px; top: 0; width: 1px; height: 100%; }
.blueprint > .corner::after  { top: 5px; left: 0; width: 100%; height: 1px; }
.blueprint > .corner.tl { top: -6px; left: -6px; }
.blueprint > .corner.tr { top: -6px; right: -6px; }
.blueprint > .corner.bl { bottom: -6px; left: -6px; }
.blueprint > .corner.br { bottom: -6px; right: -6px; }

/* — rules — */
.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid var(--color-divider);
  padding: var(--space-2) calc(var(--space-3) * 1.2); border-radius: 0;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-600); border-color: var(--color-accent-600); color: var(--color-bg); }
.btn-primary:active { background: var(--color-accent-700); border-color: var(--color-accent-700); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent-700); border-color: transparent; padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: 0;
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }

/* — segmented control — */
.seg { display: inline-flex; overflow: hidden; border: 1px solid var(--color-divider); border-radius: 0; }
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px;
  font-size: 13px; cursor: pointer; background: transparent; border: 0;
  color: inherit; text-decoration: none; font-family: inherit; line-height: 1.2;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt.is-on { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(.is-on):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px; border-radius: 0; white-space: nowrap;
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent-700); }

/* — navigation — */
.nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 19px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td { padding: var(--space-2); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }
