:root {
  --navy: #0c3054;
  --navy-deep: #071f37;
  --amber: #fcb424;
  --amber-soft: #fff3d2;
  --sky: #7fd4ff;
  --paper: #fffdf8;
  --ink: #15283a;
  --muted: #5d6d7c;
  --line: #dce4eb;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(4, 25, 45, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --content: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(12, 48, 84, 0.1);
  background: rgba(255, 253, 248, 0.94);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(calc(100% - 40px), var(--content));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  font-weight: 850;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand-link img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
}

.brand-link small {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--navy);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: #9b6200;
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 18%, rgba(127, 212, 255, 0.2), transparent 28%),
    linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 70%, #154c7a 100%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -180px;
  width: 430px;
  height: 430px;
  border: 72px solid rgba(252, 180, 36, 0.11);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--content));
  min-height: 660px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: center;
  gap: 60px;
  padding: 76px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  color: var(--amber);
  font-size: 0.9rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: currentColor;
  border-radius: 10px;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.hero h1 {
  max-width: 700px;
  margin-bottom: 24px;
  color: var(--white);
  font-size: clamp(3rem, 7vw, 5.6rem);
  font-weight: 900;
}

.hero h1 span {
  display: block;
  color: var(--amber);
  font-size: 0.43em;
  letter-spacing: -0.02em;
}

.hero-lead {
  max-width: 650px;
  margin: 0;
  color: #dfeaf4;
  font-size: clamp(1.08rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 2px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  color: var(--navy-deep);
  background: var(--amber);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  align-self: end;
}

.hero-art::before {
  content: "";
  position: absolute;
  width: 390px;
  height: 390px;
  max-width: 88vw;
  max-height: 88vw;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgba(252, 180, 36, 0.12);
}

.hero-art img {
  position: relative;
  width: min(390px, 88vw);
  filter: drop-shadow(0 28px 28px rgba(0, 0, 0, 0.24));
}

.section {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 104px 0;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.15rem);
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

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

.card {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 14px 42px rgba(12, 48, 84, 0.07);
}

.step-number {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  place-items: center;
  color: var(--navy);
  background: var(--amber);
  border-radius: 13px;
  font-weight: 900;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.24rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

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

.data-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 104px 0;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 70px;
  align-items: start;
}

.data-inner h2 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3rem);
}

.data-inner > div > p {
  color: #d6e3ee;
}

.data-list {
  display: grid;
  gap: 14px;
}

.data-item {
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.data-item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--amber);
}

.data-item p {
  margin: 0;
  color: #e5eef5;
}

.trust-note {
  margin-top: 28px;
  padding: 17px 19px;
  color: var(--navy);
  background: var(--amber-soft);
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  font-weight: 700;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 42px;
  background: var(--amber-soft);
  border-radius: var(--radius-lg);
}

.contact-panel h2 {
  margin-bottom: 10px;
}

.contact-panel p {
  margin: 0;
  color: var(--muted);
}

.contact-email {
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 850;
}

.site-footer {
  color: #dce8f2;
  background: var(--navy-deep);
}

.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 44px 0;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: var(--white);
}

.legal-main {
  width: min(calc(100% - 40px), 860px);
  margin: 0 auto;
  padding: 80px 0 110px;
}

.legal-header {
  margin-bottom: 46px;
  padding-bottom: 30px;
  border-bottom: 3px solid var(--amber);
}

.legal-header h1 {
  margin-bottom: 12px;
  font-size: clamp(2.3rem, 5vw, 3.8rem);
}

.legal-header p {
  margin: 0;
  color: var(--muted);
}

.legal-section {
  margin-top: 42px;
}

.legal-section h2 {
  margin-bottom: 13px;
  font-size: 1.48rem;
}

.legal-section h3 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.legal-section p,
.legal-section li {
  color: #34495c;
}

.legal-section ul {
  padding-left: 1.3rem;
}

.legal-section li + li {
  margin-top: 8px;
}

.scope {
  display: inline-block;
  max-width: 100%;
  padding: 2px 7px;
  color: var(--navy);
  background: #eef5fa;
  border-radius: 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.legal-callout {
  margin: 30px 0;
  padding: 22px 24px;
  background: var(--amber-soft);
  border-radius: 14px;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
  text-align: center;
}

.not-found img {
  width: 160px;
  margin: 0 auto 22px;
}

.not-found h1 {
  margin-bottom: 10px;
  font-size: 2.4rem;
}

@media (max-width: 820px) {
  .nav {
    min-height: 68px;
  }

  .nav-links a:first-child {
    display: none;
  }

  .hero-inner,
  .data-inner {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
    gap: 40px;
    padding: 68px 0 0;
  }

  .hero-art {
    justify-self: center;
  }

  .steps,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  body {
    word-break: normal;
  }

  .nav {
    width: min(calc(100% - 28px), var(--content));
  }

  .brand-link small {
    display: none;
  }

  .nav-links {
    gap: 13px;
    font-size: 0.82rem;
  }

  .hero-inner,
  .section,
  .data-inner,
  .footer-inner,
  .legal-main {
    width: min(calc(100% - 28px), var(--content));
  }

  .hero h1 {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }

  .section,
  .data-inner {
    padding: 76px 0;
  }

  .card,
  .contact-panel {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}