:root {
  color-scheme: light;
  --ink: #111a17;
  --ink-soft: #2d3a35;
  --muted: #65736d;
  --line: #dfe5df;
  --paper: #faf9f4;
  --paper-2: #f1f5ef;
  --panel: #ffffff;
  --panel-soft: #f8fbf7;
  --green: #0f5f44;
  --green-dark: #08392d;
  --gold: #b88742;
  --bluegray: #41556b;
  --white: #ffffff;
  --shadow-sm: 0 10px 28px rgba(17, 26, 23, 0.08);
  --shadow-md: 0 24px 70px rgba(17, 26, 23, 0.13);
  --radius: 8px;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(250, 249, 244, 0.96)),
    radial-gradient(circle at 8% 0%, rgba(184, 135, 66, 0.12), transparent 34%),
    radial-gradient(circle at 92% 4%, rgba(65, 85, 107, 0.12), transparent 32%),
    var(--paper);
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
}

body::selection {
  color: var(--white);
  background: var(--green);
}

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

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.82;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.5vw, 28px);
  min-height: 76px;
  padding: 12px clamp(18px, 4.8vw, 72px);
  border-bottom: 1px solid rgba(17, 26, 23, 0.08);
  background: rgba(250, 249, 244, 0.88);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  color: var(--ink);
  font-weight: 950;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), transparent 44%),
    var(--green-dark);
  box-shadow: 0 12px 24px rgba(8, 57, 45, 0.22);
  font-size: 18px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1vw, 12px);
  color: var(--ink-soft);
  font-size: 14px;
}

.nav a,
.nav-cta,
.primary-button,
.secondary-button {
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.nav-item {
  position: relative;
  padding: 12px 0;
}

.nav-item > a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 850;
  white-space: nowrap;
}

.nav-item > a:hover,
.nav-item:focus-within > a {
  color: var(--green-dark);
  background: rgba(15, 95, 68, 0.08);
}

.submenu {
  position: absolute;
  top: calc(100% - 3px);
  left: 50%;
  z-index: 50;
  display: grid;
  min-width: 208px;
  padding: 10px;
  border: 1px solid rgba(17, 26, 23, 0.09);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.submenu::before {
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  border-left: 1px solid rgba(17, 26, 23, 0.09);
  border-top: 1px solid rgba(17, 26, 23, 0.09);
  background: var(--white);
  content: "";
  transform: translateX(-50%) rotate(45deg);
}

.submenu a {
  position: relative;
  z-index: 1;
  padding: 11px 12px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  white-space: nowrap;
}

.submenu a:hover {
  color: var(--green-dark);
  background: var(--paper-2);
}

.nav-item:hover .submenu,
.nav-item:focus-within .submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: max-content;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(15, 95, 68, 0.24);
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.72);
  font-weight: 950;
  box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
  border-color: var(--green);
  background: var(--green);
  color: var(--white);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  background: #0b1813;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.58;
  filter: saturate(0.92) contrast(1.04);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 14, 11, 0.9), rgba(5, 14, 11, 0.68) 46%, rgba(5, 14, 11, 0.18)),
    linear-gradient(180deg, rgba(5, 14, 11, 0.15), rgba(5, 14, 11, 0.52));
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(850px, calc(100% - 40px));
  margin-left: clamp(20px, 6vw, 92px);
  padding: 72px 0 104px;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 7.6vw, 88px);
  line-height: 1.02;
}

.hero h1 {
  color: var(--white);
}

.hero-copy {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.78;
}

.hero-actions,
.cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 950;
}

.primary-button {
  color: var(--white);
  background: var(--green);
  box-shadow: 0 16px 34px rgba(15, 95, 68, 0.28);
}

.primary-button:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.secondary-button {
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.secondary-button:hover {
  border-color: rgba(255, 255, 255, 0.64);
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: 52px 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.quick-facts div {
  padding: 20px;
  background: rgba(7, 18, 14, 0.5);
  backdrop-filter: blur(10px);
}

.quick-facts dt {
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
}

.quick-facts dd {
  margin: 8px 0 0;
  color: var(--white);
  font-size: 18px;
  font-weight: 950;
}

.section,
.cta,
footer {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 9vw, 112px) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.18;
}

h3 {
  margin: 0 0 12px;
  font-size: 21px;
  line-height: 1.35;
}

.feature-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article,
.trust-grid article,
details,
.steps li {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(17, 26, 23, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

.feature-grid article::before,
.trust-grid article::before,
.steps li::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  content: "";
  opacity: 0.75;
}

.feature-grid article,
.trust-grid article {
  padding: 30px;
}

.pricing-preview {
  border-top: 1px solid var(--line);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-grid.six-card {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  padding: 30px;
  border: 1px solid rgba(17, 26, 23, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 247, 0.94)),
    var(--white);
  box-shadow: var(--shadow-sm);
}

.price-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  content: "";
}

.price-card.featured {
  border-color: rgba(184, 135, 66, 0.32);
  box-shadow: var(--shadow-md);
}

.price-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--green-dark);
  background: rgba(184, 135, 66, 0.15);
  font-size: 12px;
  font-weight: 950;
}

.price-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 24px;
  border-radius: 8px;
  color: var(--white);
  background: var(--green-dark);
  box-shadow: 0 14px 30px rgba(8, 57, 45, 0.22);
  font-weight: 950;
}

.price-card h3 {
  font-size: 24px;
}

.price-card p {
  min-height: 88px;
  margin-bottom: 22px;
}

.price-card dl {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.price-card dl div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(17, 26, 23, 0.08);
}

.price-card dt {
  color: var(--muted);
}

.price-card dd {
  margin: 0;
  color: #b88714;
  font-weight: 950;
  text-align: right;
}

.price-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 20px 22px;
  border: 1px solid rgba(17, 26, 23, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
}

.price-note strong {
  color: var(--green-dark);
  font-weight: 950;
}

.price-note p {
  flex: 1;
  margin: 0;
}

.price-note a {
  min-width: max-content;
  color: var(--green);
  font-weight: 950;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1fr);
  gap: clamp(34px, 6vw, 68px);
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.area-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.area-list span {
  min-height: 58px;
  padding: 16px 18px;
  border: 1px solid rgba(17, 26, 23, 0.08);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--white), var(--panel-soft));
  box-shadow: var(--shadow-sm);
  color: var(--ink-soft);
  font-weight: 900;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li {
  padding: 30px;
}

.steps span {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--gold);
  font-weight: 950;
}

.steps strong {
  display: block;
  font-size: 23px;
}

.trust {
  border-top: 1px solid var(--line);
}

.trust-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.faq {
  padding-top: 0;
}

details {
  padding: 22px 24px;
}

details + details {
  margin-top: 12px;
}

summary {
  cursor: pointer;
  color: var(--ink);
  font-size: 18px;
  font-weight: 950;
}

details[open] {
  box-shadow: var(--shadow-md);
}

.cta {
  justify-content: space-between;
  margin-bottom: 76px;
  padding: clamp(28px, 4.5vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 42%),
    var(--green-dark);
  box-shadow: var(--shadow-md);
}

.cta h2,
.cta p {
  color: var(--white);
}

.cta p {
  margin-bottom: 0;
  opacity: 0.82;
}

.cta .primary-button {
  background: var(--white);
  color: var(--green-dark);
  box-shadow: none;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 8px 0 0;
}

footer strong,
footer a {
  font-weight: 950;
}

footer a {
  color: var(--green);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .nav {
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

  .nav-item {
    min-width: max-content;
  }

  .submenu {
    display: none;
  }
}

@media (max-width: 860px) {
  .nav-cta {
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 60;
    color: var(--white);
    border-color: var(--green);
    background: var(--green);
    box-shadow: 0 14px 36px rgba(15, 95, 68, 0.34);
  }

  .hero {
    min-height: 740px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(5, 14, 11, 0.84), rgba(5, 14, 11, 0.62));
  }

  .hero-content {
    width: min(100% - 40px, 720px);
    margin-inline: auto;
    padding-top: 52px;
  }

  .quick-facts,
  .feature-grid,
  .price-grid,
  .trust-grid,
  .steps,
  .split {
    grid-template-columns: 1fr;
  }

  .split {
    gap: 30px;
  }

  .area-list {
    grid-template-columns: 1fr;
  }

  .cta,
  .price-note,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-inline: 14px;
  }

  .section,
  .cta,
  footer {
    width: min(100% - 28px, 1160px);
  }

  h1 {
    font-size: 40px;
  }

  .hero {
    min-height: 790px;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .feature-grid article,
  .price-card,
  .trust-grid article,
  .steps li,
  .cta {
    padding: 23px;
  }
}