/* ========================================
   HAECERA — Shared Site Styles
   ======================================== */

:root {
  --primary: #315b82;
  --primary-dark: #17365d;
  --primary-hover: #24496c;
  --primary-light: #5d7ea8;

  --background: #faf9f6;
  --surface: #ffffff;

  --text: #1f2933;
  --muted: #52606d;
  --subtle: #7b8794;

  --border: #dedbd4;
  --border-light: #e9e6e0;

  --container: 980px;
  --content: 760px;

  --radius-small: 6px;
  --radius-medium: 10px;
}

/* ========================================
   Reset and base
   ======================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    Arial,
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    Helvetica,
    sans-serif;
  line-height: 1.7;
  word-break: keep-all;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--primary);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--primary-hover);
}

p,
ul,
ol {
  margin-top: 0;
}

ul,
ol {
  padding-left: 1.4rem;
}

li + li {
  margin-top: 0.45rem;
}

.container {
  width: min(var(--container), 88%);
  margin: 0 auto;
}

/* ========================================
   Header and navigation
   ======================================== */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand img {
  width: 108px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--primary);
}

/* ========================================
   Homepage hero
   ======================================== */

.hero {
  padding: 96px 0 82px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 790px;
  margin: 0 0 26px;
  color: var(--primary-dark);
  font-size: clamp(2.65rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 660px;
  margin: 0 0 34px;
  color: var(--muted);
  font-size: 1.1rem;
}

.button {
  display: inline-block;
  padding: 13px 20px;
  border-radius: var(--radius-small);
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--primary-hover);
  color: #ffffff;
}

/* ========================================
   Shared sections and cards
   ======================================== */

.section {
  padding: 70px 0;
  border-top: 1px solid var(--border-light);
}

.section-surface {
  background: var(--surface);
}

.section h2 {
  margin: 0 0 28px;
  color: var(--primary-dark);
  font-size: 2rem;
  line-height: 1.2;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: var(--surface);
}

.card-label {
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.card h3 {
  margin: 12px 0 10px;
  color: var(--primary-dark);
  font-size: 1.2rem;
  line-height: 1.35;
}

.card p {
  margin: 0;
  color: #68737d;
}

.card p + p {
  margin-top: 10px;
}

.card a {
  font-weight: 600;
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

/* ========================================
   Inner pages
   ======================================== */

.page-main {
  min-height: 65vh;
  padding: 76px 0;
}

.page-heading {
  max-width: 760px;
  margin-bottom: 46px;
}

.page-heading h1 {
  margin: 0 0 16px;
  color: var(--primary-dark);
  font-size: clamp(2.45rem, 6vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.page-heading > p:not(.language-switch) {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

/* ========================================
   Insights list
   ======================================== */

.insight-list {
  border-top: 1px solid var(--border);
}

.insight-item {
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
}

.insight-meta {
  margin-bottom: 9px;
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.insight-item h2 {
  margin: 0 0 10px;
  color: var(--primary-dark);
  font-size: 1.55rem;
  line-height: 1.3;
}

.insight-item p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.insight-item p + p {
  margin-top: 14px;
}

.insight-item a {
  font-weight: 600;
  text-decoration: none;
}

.insight-item a:hover {
  text-decoration: underline;
}

/* ========================================
   Article and long-form content
   ======================================== */

.content {
  max-width: var(--content);
}

.content > p,
.content li {
  color: var(--muted);
  font-size: 1.04rem;
}

.content > p {
  margin-bottom: 1.25rem;
}

.content h2 {
  margin: 46px 0 14px;
  color: var(--primary-dark);
  font-size: 1.55rem;
  line-height: 1.3;
}

.content ul,
.content ol {
  margin: 0 0 1.6rem;
}

.content strong {
  color: var(--text);
}

/* ========================================
   Language selector
   ======================================== */

.language-switch {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  color: var(--subtle);
  font-size: 0.92rem;
}

.language-switch a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.language-switch a:hover {
  text-decoration: underline;
}

.language-switch strong {
  color: var(--primary-dark);
}

/* ========================================
   Information and contact boxes
   ======================================== */

.contact-box {
  max-width: 680px;
  margin: 34px 0;
  padding: 24px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-medium);
  background: var(--surface);
}

.contact-box h2 {
  margin-top: 0;
}

.contact-box p {
  margin: 8px 0 0;
  color: var(--muted);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 0.9rem;
}

/* ========================================
   Mobile
   ======================================== */

@media (max-width: 760px) {
  body {
    word-break: normal;
  }

  .container {
    width: min(92%, var(--container));
  }

  .site-nav {
    min-height: auto;
    padding: 16px 0 18px;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .brand img {
    width: 96px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    padding: 72px 0 62px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.7rem);
  }

  .section {
    padding: 58px 0;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .page-main {
    padding: 58px 0;
  }

  .page-heading {
    margin-bottom: 38px;
  }

  .content h2 {
    margin-top: 38px;
  }
}