:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #102033;
  --muted: #66768a;
  --line: #dce4ee;
  --navy: #071b33;
  --navy-2: #0c2b4f;
  --gold: #c9a45c;
  --gold-2: #e8ca83;
  --blue: #1f6feb;
  --green: #1d9a6c;
  --red: #d94d4d;
  --shadow: 0 24px 70px rgba(16, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.top-bar {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 0;
}

.market-status {
  color: var(--gold-2);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 228, 238, 0.8);
  backdrop-filter: blur(18px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
}

.brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: white;
  box-shadow: 0 10px 24px rgba(31, 111, 235, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  color: #334459;
  font-weight: 700;
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}

.nav-cta {
  background: var(--navy);
  color: white;
}

.btn--primary {
  border: 0;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #261b09;
  cursor: pointer;
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: white;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 82px;
  background:
    radial-gradient(circle at 80% 20%, rgba(201, 164, 92, 0.32), transparent 28%),
    linear-gradient(135deg, #071b33 0%, #0d335e 56%, #0a2340 100%);
  color: white;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) 420px;
  gap: 52px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.hero__lead {
  max-width: 650px;
  margin: 24px 0 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.hero__actions,
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero__stats {
  margin-top: 42px;
  gap: 34px;
}

.hero__stats strong {
  display: block;
  font-size: 28px;
}

.hero__stats span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
}

.market-card {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.market-card__header,
.index-list div,
.product-row,
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.market-card__header {
  margin-bottom: 20px;
}

.market-card__header span {
  font-size: 20px;
  font-weight: 800;
}

.market-card__header small,
.index-list span {
  color: rgba(255, 255, 255, 0.62);
}

.index-list {
  display: grid;
  gap: 12px;
}

.index-list div {
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.up {
  color: #64e1b2;
}

.down {
  color: #ff8d8d;
}

.chart-card {
  margin-top: 24px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(4, 18, 34, 0.48);
}

.chart-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 148px;
}

.chart-bars span {
  flex: 1;
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(to top, var(--blue), var(--gold-2));
}

.chart-card p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.trust-strip {
  background: white;
  border-bottom: 1px solid var(--line);
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 22px 0;
  color: #405166;
  font-weight: 800;
  text-align: center;
}

.section {
  padding: 92px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 44px;
}

.section-heading h2,
.security h2,
.contact h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.section-heading p,
.security p,
.contact p {
  color: var(--muted);
}

.service-grid,
.insight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.service-card,
.insight-card,
.contact-form,
.security-list div {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(16, 32, 51, 0.06);
}

.service-card {
  padding: 30px;
}

.service-card__icon {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--gold);
  font-weight: 800;
}

.service-card h3,
.insight-card h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.3;
}

.service-card p,
.insight-card p {
  color: var(--muted);
}

.service-card a,
.insight-card a {
  color: var(--blue);
  font-weight: 800;
}

.section--dark {
  background: var(--navy);
  color: white;
}

.section-heading--light h2,
.section-heading--light p {
  color: white;
}

.product-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.product-table {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.08);
}

.product-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.product-row:last-child {
  border-bottom: 0;
}

.product-row--head {
  color: var(--gold-2);
  font-weight: 800;
}

.insight-grid {
  grid-template-columns: 1.3fr 1fr 1fr;
}

.insight-card {
  padding: 28px;
}

.insight-card--featured {
  grid-row: span 2;
  min-height: 360px;
  background:
    linear-gradient(rgba(7, 27, 51, 0.78), rgba(7, 27, 51, 0.86)),
    url("https://images.unsplash.com/photo-1642790106117-e829e14a795f?auto=format&fit=crop&w=900&q=80");
  background-position: center;
  background-size: cover;
}

.insight-card--featured h3,
.insight-card--featured p,
.insight-card--featured span {
  color: white;
}

.insight-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
}

.security {
  background: #eef3f8;
}

.security__grid,
.contact__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.security-list {
  display: grid;
  gap: 16px;
}

.security-list div {
  padding: 24px;
}

.security-list strong {
  display: block;
  margin-bottom: 6px;
  color: var(--navy);
  font-size: 19px;
}

.security-list span {
  color: var(--muted);
}

.contact {
  background: white;
}

.contact-points {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  color: var(--navy);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--ink);
  font: inherit;
}

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-form small {
  color: var(--muted);
}

.footer {
  padding: 62px 0 30px;
  background: #06172b;
  color: rgba(255, 255, 255, 0.74);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr 1.4fr;
  gap: 38px;
}

.brand--footer {
  color: white;
}

.footer h4 {
  margin: 0 0 16px;
  color: white;
}

.footer a {
  display: block;
  margin-bottom: 10px;
}

.footer__brand p,
.footer__contact p {
  margin: 12px 0;
}

.footer__socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer__socials a {
  display: grid;
  min-width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}

.footer__bottom {
  align-items: center;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
}

.footer__bottom div {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__disclaimer {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

.simple-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
}

.page-hero {
  padding: 86px 0;
  background:
    radial-gradient(circle at 78% 20%, rgba(201, 164, 92, 0.28), transparent 26%),
    linear-gradient(135deg, #071b33 0%, #0d335e 62%, #071b33 100%);
  color: white;
}

.page-hero h1 {
  max-width: 820px;
  margin: 0 0 18px;
  font-size: clamp(40px, 6vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.page-hero p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 19px;
}

.section--soft {
  background: #eef3f8;
}

.news-layout,
.split-list {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  align-items: start;
}

.lead-story,
.briefing-card,
.article-card,
.analysis-card,
.learning-grid article,
.term-grid div,
.policy-grid article,
.text-page {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: white;
  box-shadow: 0 12px 34px rgba(16, 32, 51, 0.06);
}

.lead-story {
  padding: 36px;
}

.lead-story h2,
.analysis-card h2 {
  margin: 12px 0 16px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.tag,
.article-card span,
.analysis-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.story-meta {
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.briefing-card,
.article-card,
.analysis-card,
.learning-grid article,
.term-grid div,
.policy-grid article {
  padding: 28px;
}

.briefing-card h3,
.article-card h3,
.analysis-card h3,
.learning-grid h3,
.policy-grid h2,
.text-page h2 {
  margin: 0 0 12px;
  color: var(--navy);
}

.briefing-card li {
  margin: 12px 0;
  color: var(--muted);
}

.article-grid,
.learning-grid,
.term-grid,
.policy-grid,
.insight-detail,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card p,
.analysis-card p,
.learning-grid p,
.term-grid span,
.policy-grid p,
.text-page p {
  color: var(--muted);
}

.list-panel {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: white;
}

.list-panel a {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-weight: 800;
}

.list-panel a:last-child {
  border-bottom: 0;
}

.analysis-card--wide {
  grid-column: span 3;
}

.metric-grid div {
  padding: 28px;
  border-radius: 24px;
  background: white;
  box-shadow: 0 12px 34px rgba(16, 32, 51, 0.06);
}

.metric-grid strong {
  display: block;
  color: var(--navy);
  font-size: 34px;
}

.metric-grid span,
.learning-grid b {
  color: var(--gold);
  font-weight: 800;
}

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

.term-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 20px;
}

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

.text-page {
  max-width: 850px;
  padding: 36px;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-links.is-open {
    position: absolute;
    top: 74px;
    right: 20px;
    left: 20px;
    display: grid;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: white;
    box-shadow: var(--shadow);
  }

  .hero__grid,
  .product-layout,
  .security__grid,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .trust-strip__grid,
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .news-layout,
  .split-list,
  .article-grid,
  .learning-grid,
  .term-grid,
  .policy-grid,
  .insight-detail,
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .analysis-card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .top-bar__inner,
  .footer__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding: 68px 0;
  }

  .market-card {
    padding: 20px;
  }

  .service-grid,
  .trust-strip__grid,
  .insight-grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .product-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-layout,
  .split-list,
  .article-grid,
  .learning-grid,
  .term-grid,
  .policy-grid,
  .insight-detail,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .analysis-card--wide {
    grid-column: span 1;
  }

  .section {
    padding: 68px 0;
  }
}