/* ==========================================================================
   KOREA × SINGAPORE — Global Learning Programs
   Design tokens
   ========================================================================== */

:root {
  --navy: #0F1F3D;
  --navy-deep: #081326;
  --cream: #F5F1E8;
  --cream-dim: #ECE6D8;
  --vermilion: #C8453A;
  --teal: #1F7A6C;
  --ink: #1A1A1A;
  --line: rgba(15, 31, 61, 0.16);
  --line-on-navy: rgba(245, 241, 232, 0.18);

  --font-display: "Archivo", "Pretendard", "Noto Sans KR", sans-serif;
  --font-body: "Inter", "Pretendard", "Noto Sans KR", sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

p { margin: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vermilion);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--vermilion);
  display: inline-block;
}

.route-rule {
  width: 100%;
  height: 1px;
  background: var(--line);
  border: none;
  margin: 0;
}
.route-rule.on-navy { background: var(--line-on-navy); }

.coord-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--vermilion);
  opacity: 0.8;
}

.section-navy .coord-tag { color: rgba(245,241,232,0.45); }

/* small dot marker used as a list/row bullet, echoes the hero route dots */
.dot-mark {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vermilion);
  margin-right: 10px;
  flex-shrink: 0;
}

/* ==========================================================================
   Header / Persistent Navigation — present and identical on every page
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid var(--line-on-navy);
}

.nav-wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cream);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  white-space: nowrap;
}

.brand .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--vermilion);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  color: rgba(245, 241, 232, 0.72);
  font-size: 14.5px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 2px;
  transition: color 0.15s ease, background 0.15s ease;
  position: relative;
}

.main-nav a:hover { color: var(--cream); background: rgba(245,241,232,0.06); }

.main-nav a:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--vermilion);
  outline-offset: 2px;
}

.main-nav a.active { color: var(--cream); }

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: var(--vermilion);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-on-navy);
  color: var(--cream);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

@media (max-width: 880px) {
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    border-top: 1px solid var(--line-on-navy);
    border-bottom: 1px solid var(--line-on-navy);
    padding: 8px 28px 16px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 4px; }
  .main-nav a.active::after { left: 4px; right: 4px; }
  .nav-toggle { display: flex; }
}

/* ==========================================================================
   Footer — short, single line
   ========================================================================== */

.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--navy-deep);
  color: rgba(245,241,232,0.45);
  padding: 16px 0;
  border-top: 1px solid var(--line-on-navy);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
}

.footer-row a { color: rgba(245,241,232,0.65); }
.footer-row a:hover { color: var(--cream); }

/* space for the fixed footer so content never sits underneath it */
main { padding-bottom: 60px; }
.home-hero { min-height: calc(100vh - 73px - 60px); }

@media (max-width: 480px) {
  .footer-row { font-size: 12px; gap: 4px; }
  main { padding-bottom: 76px; }
}

/* ==========================================================================
   Hero (home)
   ========================================================================== */

.home-hero {
  background: var(--navy);
  color: var(--cream);
  padding: 120px 0 140px;
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 73px);
  display: flex;
  align-items: center;
}

.home-hero .container { position: relative; z-index: 2; }

.home-hero h1 {
  font-size: clamp(40px, 6.5vw, 78px);
}

.home-hero .tagline {
  font-size: clamp(18px, 2.2vw, 24px);
  max-width: 680px;
  margin-top: 22px;
  color: rgba(245,241,232,0.85);
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.35;
}

.home-hero .keywords {
  margin-top: 18px;
  color: var(--vermilion);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.home-hero .closing {
  margin-top:28px;
  font-size: 16px;
  color: rgba(245,241,232,0.6);
}

.route-decor {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   Sub-page hero
   ========================================================================== */

.page-hero {
  background: var(--navy);
  color: var(--cream);
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}

.page-hero .container { position: relative; z-index: 2; }

.page-hero .eyebrow { color: var(--vermilion); margin-bottom: 14px; }

.page-hero h1 {
  font-size: clamp(30px, 4.4vw, 44px);
  margin-top: 14px;
}

/* ==========================================================================
   Generic content section
   ========================================================================== */

.section {
  padding: 64px 0;
}

.section-alt { background: var(--cream-dim); }
.section-navy { background: var(--navy); color: var(--cream); }

.prose {
  max-width: 680px;
  font-size: 17px;
  line-height: 1.75;
}
.prose + .prose {
    margin-top: 48px;
}

.prose p + p { margin-top: 20px; }

h2.block-title {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 20px;
  position: relative;
  padding-top: 22px;
}

h2.block-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--vermilion);
}

/* Services list */
.service-list { counter-reset: svc; }

.service-block {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  position: relative;
  padding-left: 56px;
}
.service-block:first-child { border-top: none; }

.service-block::before {
  counter-increment: svc;
  content: counter(svc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--vermilion);
}

.ko-title {
    margin-top: 24px;
}

.service-block h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.service-block p {
  color: rgba(26,26,26,0.7);
  font-size: 15.5px;
  max-width: 680px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  color: var(--navy);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.chip:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.plain-list {
  margin-top: 14px;
  padding-left: 0;
  list-style: none;
}

.plain-list li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  display: flex;
  align-items: center;
}
.plain-list li:first-child { border-top: none; }

.section-navy .plain-list li { border-top: 1px solid var(--line-on-navy); }

/* Program Management */
.ko-intro{
    margin-top:18px;
    margin-bottom:28px;
}

.list-text{
    display:flex;
    flex-direction:column;
}

.list-text .en{
    font-weight:600;
}

.list-text .ko{
    margin-top:6px;
    color:#666;
    font-size:0.95rem;
    line-height:1.6;
}
/* Why choose us checklist */
.check-list {
  margin-top: 8px;
}

.check-row {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line-on-navy);
  font-size: 16px;
  align-items: center;
}
.check-row:first-child { border-top: none; }
.check-row .mark { color: var(--vermilion); font-family: var(--font-mono); }

.check-text{
    display:flex;
    flex-direction:column;
}

.check-text .en{
    font-weight:600;
    color:#fff;
}

.check-text .ko{
    margin-top:6px;
    font-size:0.92rem;
    color:rgba(255,255,255,.75);
    line-height:1.6;
}

/* Who we work with */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 8px;
}

.partner-cell {
  background: var(--cream);
  padding: 24px 18px;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  min-height: 80px;
  transition: background 0.15s ease, color 0.15s ease;
  position: relative;
}

.partner-cell::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  margin-right: 12px;
  flex-shrink: 0;
}

.partner-cell:hover {
  background: var(--navy);
  color: var(--cream);
}

.partner-cell:hover::before { background: var(--vermilion); }

@media (max-width: 880px) {
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Contact */
.contact-block {
  margin-top: 10px;
}

.contact-row {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 16px;
  align-items: baseline;
}
.contact-row:first-child { border-top: none; }

.contact-row .dot-mark {
  align-self: center;
}

.contact-row .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(26,26,26,0.45);
  width: 90px;
  flex-shrink: 0;
  padding-top: 2px;
}

.contact-row a:hover { color: var(--vermilion); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
.prose .ko{
    margin-top:20px;
    color:#666;
}

.contact-text{
    display:flex;
    flex-direction:column;
}

.ko-label{
    margin-top:2px;
    margin-bottom:8px;
    color:#777;
    font-size:.9rem;
}

.closing-message{
    margin-top:48px;
}

.closing-message .en{
    font-family:var(--font-display);
    font-size:20px;
    font-weight:600;
}

.closing-message .ko{
    margin-top:8px;
    color:#666;
    font-size:17px;
}