:root {
  --ink: #17211f;
  --muted: #697571;
  --paper: #f8f5ef;
  --soft: #edf3f1;
  --line: rgba(23, 33, 31, .14);
  --green: #5d8f82;
  --deep: #183f39;
  --cream: #fffaf2;
  --shadow: 0 30px 80px rgba(24, 63, 57, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--paper);
  word-break: keep-all;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(20px, 4vw, 56px);
  color: #fff;
  mix-blend-mode: difference;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -.05em;
}

.brand strong {
  display: block;
  font-size: 15px;
  letter-spacing: .02em;
}

.brand em {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, .72);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .16em;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(255, 255, 255, .82);
  font-size: 14px;
}

.nav-cta {
  padding: 11px 18px;
  border: 1px solid rgba(255, 255, 255, .65);
  font-size: 13px;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 100svh;
  overflow: hidden;
  background: #111;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 27, 25, .84), rgba(16, 27, 25, .52) 38%, rgba(16, 27, 25, .12) 72%),
    linear-gradient(0deg, rgba(16, 27, 25, .26), rgba(16, 27, 25, .16));
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(24px, 8vw, 140px);
  padding-top: 80px;
  color: #fff;
}

.eyebrow,
.section-kicker,
.mini-label {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #c9e6de;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(52px, 7.4vw, 112px);
  line-height: .94;
  letter-spacing: -.075em;
}

.hero-copy {
  max-width: 540px;
  color: rgba(255, 255, 255, .78);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.8;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid currentColor;
  font-weight: 800;
}

.button.primary {
  border-color: var(--cream);
  background: var(--cream);
  color: var(--ink);
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(12px);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 680px;
  margin: 56px 0 0;
  background: rgba(255, 255, 255, .18);
}

.hero-facts div {
  padding: 22px;
  background: rgba(16, 27, 25, .42);
  backdrop-filter: blur(12px);
}

.hero-facts dt {
  color: #c9e6de;
  font-size: 12px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 12px 0 0;
  font-weight: 800;
}

.section {
  padding: clamp(84px, 10vw, 150px) clamp(20px, 5vw, 80px);
}

.split,
.visit-layout {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, .8fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 78px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.075em;
}

.body-copy,
.section-head p,
.visit-layout p,
.fee-card p,
.cta p,
footer p {
  color: var(--muted);
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.85;
}

.body-copy p + p {
  margin-top: 18px;
}

.problem {
  background: var(--cream);
}

.helper {
  background: var(--soft);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  gap: 40px;
  align-items: end;
  margin-bottom: 42px;
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
  gap: 18px;
}

.choice-panel,
.result-card,
.fee-card,
.check-card,
.process-grid article,
.faq-list details {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow);
}

.choice-panel {
  padding: 28px;
}

.choice-list {
  display: grid;
  gap: 10px;
}

.choice {
  width: 100%;
  padding: 18px 18px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.choice.is-active {
  border-color: var(--deep);
  background: var(--deep);
  color: #fff;
}

.result-card {
  min-height: 420px;
  padding: clamp(30px, 5vw, 62px);
}

.result-card span {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(93, 143, 130, .14);
  color: var(--deep);
  font-size: 13px;
  font-weight: 800;
}

.result-card h3 {
  margin-bottom: 18px;
  font-size: clamp(30px, 3.8vw, 58px);
  line-height: 1.08;
  letter-spacing: -.06em;
}

.result-card p,
.result-card li {
  color: var(--muted);
  line-height: 1.8;
}

.result-card ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding-left: 20px;
}

.copy-button {
  margin-top: 30px;
  padding: 14px 18px;
  border: 0;
  background: var(--deep);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.copy-note {
  margin: 14px 0 0;
  font-size: 14px;
}

.fees {
  background: #f2eadf;
}

.fee-card {
  padding: 34px;
  background: rgba(255, 250, 242, .72);
}

.fee-table {
  margin: 28px 0 18px;
  border-top: 1px solid var(--line);
}

.fee-table div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.fee-table span {
  color: var(--muted);
}

.fee-card small {
  color: #8a7769;
  line-height: 1.7;
}

.visit {
  background: var(--cream);
}

.check-card {
  padding: 34px;
  background: #fff;
}

.meter {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-weight: 800;
}

.bar {
  height: 8px;
  margin-bottom: 24px;
  overflow: hidden;
  border-radius: 999px;
  background: #e3e3dc;
}

.bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
  transition: width .25s ease;
}

.check-card label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  cursor: pointer;
}

.check-card label:last-child {
  border-bottom: 0;
}

.check-card input {
  width: 20px;
  height: 20px;
  accent-color: var(--deep);
}

.process {
  background: #dfe9e6;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
}

.process-grid article {
  min-height: 260px;
  padding: 30px;
  background: rgba(255, 255, 255, .62);
}

.process-grid span {
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.process-grid h3 {
  margin: 58px 0 14px;
  font-size: 28px;
  letter-spacing: -.04em;
}

.process-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.faq {
  background: var(--paper);
}

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

.faq-list details {
  padding: 24px 26px;
  box-shadow: none;
}

.faq-list summary {
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--green);
}

.faq-list details[open] summary::after {
  content: "–";
}

.faq-list p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.cta {
  background: var(--deep);
  color: #fff;
  text-align: center;
}

.cta h2 {
  max-width: 960px;
  margin: 0 auto;
}

.cta p {
  max-width: 680px;
  margin: 28px auto 0;
  color: rgba(255, 255, 255, .72);
}

.cta .hero-actions {
  justify-content: center;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 42px clamp(20px, 5vw, 80px);
  background: #122622;
  color: #fff;
}

footer .brand em {
  color: rgba(255, 255, 255, .5);
}

footer p {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header {
    padding: 16px 18px;
  }

  nav {
    display: none;
  }

  .nav-cta {
    padding: 10px 13px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand strong {
    font-size: 13px;
  }

  .hero-inner {
    width: calc(100% - 36px);
    margin: 0 auto;
    padding-top: 96px;
  }

  h1 {
    font-size: clamp(48px, 15vw, 72px);
  }

  .hero-copy {
    max-width: 360px;
  }

  .hero-facts {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .split,
  .visit-layout,
  .section-head,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: clamp(36px, 11vw, 56px);
  }

  .section {
    padding: 82px 18px;
  }

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

  .fee-table div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  footer {
    display: grid;
  }
}

@media (max-width: 520px) {
  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 50px;
  }

  .result-card,
  .choice-panel,
  .fee-card,
  .check-card {
    padding: 24px;
  }

  .hero-bg {
    object-position: 58% center;
  }
}