:root {
  --bg: #FBFAF7;
  --paper: #FFFFFF;
  --cream: #F3E7D3;
  --cream-light: #FAF6EF;
  --green: #70A82A;
  --green-dark: #557D3E;
  --green-deep: #3F5F2F;
  --orange: #E07E1C;
  --ink: #2A241F;
  --muted: #746B63;
  --line: rgba(33, 29, 26, 0.12);
  --shadow: 0 22px 60px rgba(67, 44, 30, 0.10);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

img {
  -webkit-user-drag: none;
  user-drag: none;
}

input,
textarea,
select,
option,
[contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}

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

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(33, 29, 26, 0.08);
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.official-logo {
  width: auto;
  height: 48px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--green);
  color: #FFFFFF;
  box-shadow: 0 12px 28px rgba(112, 168, 42, 0.24);
}

.btn-primary:hover {
  background: #63953D;
}

.btn-dark {
  background: var(--ink);
  color: #FFFFFF;
}

.btn-light {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.nav-actions .btn {
  min-height: 46px;
  padding: 0 18px;
  font-size: 13px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: var(--paper);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.mobile-drawer {
  position: fixed;
  z-index: 999;
  inset: 78px 0 0;
  display: none;
  padding: 26px 20px;
  background: var(--bg);
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer a {
  display: block;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 20px;
  font-weight: 850;
}

.mobile-drawer .btn {
  width: 100%;
  margin-top: 18px;
}

.landing-hero {
  position: relative;
  overflow: hidden;
  padding: 154px 0 92px;
  background:
    radial-gradient(circle at 84% 16%, rgba(224, 126, 28, 0.10), transparent 28%),
    radial-gradient(circle at 70% 72%, rgba(112, 168, 42, 0.07), transparent 34%),
    linear-gradient(180deg, #FBFAF7 0%, #FAF6EF 100%);
}

.landing-hero::before {
  position: absolute;
  top: 70px;
  right: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(243, 231, 211, 0.68);
  content: "";
}

.landing-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  align-items: center;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 68px;
}

.hero-eyebrow,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-eyebrow {
  margin-bottom: 22px;
  padding: 9px 14px;
  border: 1px solid rgba(112, 168, 42, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
}

.eyebrow {
  margin-bottom: 16px;
}

.eyebrow::before {
  width: 26px;
  height: 2px;
  background: currentColor;
  content: "";
}

.landing-hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(52px, 6.4vw, 86px);
  font-weight: 950;
  letter-spacing: -0.072em;
  line-height: 1.01;
}

.landing-hero h1 span {
  display: block;
  color: var(--green);
}

.hero-lead {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
}

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

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.hero-tags span {
  padding: 8px 12px;
  border: 1px solid rgba(112, 168, 42, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 800;
}

.hero-photo {
  position: relative;
  overflow: hidden;
  min-height: 610px;
  border-radius: var(--radius-xl);
  background: #DED7CE;
  box-shadow: var(--shadow);
}

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

.hero-photo::after {
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(transparent, rgba(42, 36, 31, 0.56));
  content: "";
}

.photo-caption {
  position: absolute;
  z-index: 2;
  right: 28px;
  bottom: 26px;
  left: 28px;
  color: #FFFFFF;
}

.photo-caption span {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.photo-caption strong {
  font-size: 22px;
  letter-spacing: -0.035em;
}

.hero-blueprint {
  position: relative;
  min-height: 610px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px),
    var(--green-dark);
  background-size: 34px 34px;
  color: #FFFFFF;
  box-shadow: var(--shadow);
}

.blueprint-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.blueprint-flow {
  display: grid;
  gap: 12px;
  margin-top: 62px;
}

.blueprint-node {
  display: grid;
  min-height: 76px;
  align-items: center;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.09);
  grid-template-columns: 70px 1fr auto;
  gap: 12px;
}

.blueprint-node span {
  color: #F7C86B;
  font-size: 12px;
  font-weight: 900;
}

.blueprint-node strong {
  font-size: 19px;
  letter-spacing: -0.025em;
}

.blueprint-node small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.blueprint-arrow {
  height: 18px;
  margin-left: 34px;
  border-left: 1px dashed rgba(255, 255, 255, 0.42);
}

.section {
  padding: 116px 0;
}

.section-soft {
  background: var(--cream-light);
}

.section-green {
  background: var(--green-dark);
  color: #FFFFFF;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 34px;
  margin-bottom: 48px;
}

.section-title {
  max-width: 780px;
  margin: 0;
  font-size: clamp(36px, 4.8vw, 64px);
  font-weight: 930;
  letter-spacing: -0.057em;
  line-height: 1.11;
}

.section-desc {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.section-green .section-desc {
  color: rgba(255, 255, 255, 0.68);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 80px;
}

.intro-label {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.intro-copy h2 {
  max-width: 810px;
  margin: 0;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 930;
  letter-spacing: -0.06em;
  line-height: 1.1;
}

.intro-copy p {
  max-width: 800px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.info-card {
  min-height: 240px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(67, 44, 30, 0.05);
}

.info-card-number {
  display: block;
  margin-bottom: 52px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.info-card h3 {
  margin: 0;
  font-size: 25px;
  letter-spacing: -0.04em;
}

.info-card p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.info-card:last-child {
  background: var(--cream);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.process-step {
  position: relative;
  min-height: 300px;
  padding: 34px 28px;
}

.process-step:not(:last-child) {
  border-right: 1px solid var(--line);
}

.process-step:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 50%;
  right: -15px;
  display: grid;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  color: var(--green);
  content: "→";
  font-size: 14px;
  font-weight: 900;
  place-items: center;
  transform: translateY(-50%);
}

.process-step span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.process-step h3 {
  margin: 82px 0 0;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.process-step p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.process-grid--six {
  grid-template-columns: repeat(3, 1fr);
}

.process-grid--six .process-step {
  min-height: 260px;
  border-bottom: 1px solid var(--line);
}

.process-grid--six .process-step:nth-child(3),
.process-grid--six .process-step:nth-child(6) {
  border-right: 0;
}

.process-grid--six .process-step:nth-child(n+4) {
  border-bottom: 0;
}

.process-grid--six .process-step:nth-child(3)::after,
.process-grid--six .process-step:nth-child(6)::after {
  display: none;
}

.process-grid--six .process-step h3 {
  margin-top: 50px;
}

.usp-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.usp-card,
.audience-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
}

.usp-card span,
.audience-card span {
  color: #F7C86B;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.usp-card h3,
.audience-card h3 {
  margin: 72px 0 0;
  font-size: 25px;
  letter-spacing: -0.04em;
}

.usp-card p,
.audience-card p {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 14px;
}

.audience-grid .audience-card {
  border-color: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.audience-grid .audience-card p {
  color: var(--muted);
}

.scope-flow {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--paper);
  grid-template-columns: repeat(3, 1fr);
  box-shadow: var(--shadow);
}

.scope-item {
  position: relative;
  min-height: 280px;
  padding: 36px;
}

.scope-item:not(:last-child) {
  border-right: 1px solid var(--line);
}

.scope-item:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 42px;
  right: -20px;
  display: grid;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--cream-light);
  color: var(--green);
  content: "→";
  font-weight: 900;
  place-items: center;
}

.scope-item span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.scope-item h3 {
  margin: 78px 0 0;
  font-size: 28px;
  letter-spacing: -0.045em;
}

.scope-item p {
  margin: 14px 0 0;
  color: var(--muted);
}

.scope-item:last-child {
  background: var(--cream);
}

.cross-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 34px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.cross-link span {
  color: var(--muted);
  font-size: 14px;
}

.cross-link a {
  color: var(--green-dark);
  font-weight: 900;
}

.cta-section {
  padding: 116px 0;
}

.cta-panel {
  display: grid;
  align-items: center;
  padding: 58px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--green) 0%, #63953D 58%, var(--green-dark) 100%);
  color: #FFFFFF;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 46px;
  box-shadow: var(--shadow);
}

.cta-panel h2 {
  margin: 0;
  font-size: clamp(36px, 4.5vw, 58px);
  letter-spacing: -0.055em;
  line-height: 1.1;
}

.cta-panel p {
  max-width: 700px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.cta-actions {
  display: grid;
  gap: 10px;
}

.cta-actions .btn-light {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.13);
  color: #FFFFFF;
}

.footer {
  padding: 76px 0 40px;
  background: var(--cream-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.6fr);
  gap: 40px;
}

.official-logo--footer {
  width: 176px;
  height: auto;
  max-height: 190px;
}

.footer-copy {
  max-width: 390px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

.footer h4 {
  margin: 0 0 18px;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.footer-links {
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.footer a:hover {
  color: var(--orange);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: #8B837C;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .nav-links {
    display: none;
  }

  .nav-actions .btn-light {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .landing-hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

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

@media (max-width: 800px) {
  .container {
    width: min(calc(100% - 28px), var(--content));
  }

  .landing-hero {
    padding: 126px 0 74px;
  }

  .landing-hero-grid,
  .intro-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .landing-hero h1 {
    font-size: clamp(46px, 12.5vw, 68px);
  }

  .hero-photo,
  .hero-blueprint {
    min-height: 520px;
  }

  .section {
    padding: 82px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 34px;
  }

  .section-desc {
    margin-top: 18px;
  }

  .intro-grid {
    gap: 20px;
  }

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

  .process-step,
  .process-grid--six .process-step {
    min-height: 250px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .process-step:nth-child(2n)::after {
    display: none;
  }

  .process-grid--six .process-step:nth-child(3) {
    border-right: 1px solid var(--line);
  }

  .process-grid--six .process-step:nth-child(3)::after {
    display: grid;
  }

  .process-grid--six .process-step:nth-child(n+5) {
    border-bottom: 0;
  }

  .scope-flow {
    grid-template-columns: 1fr;
  }

  .scope-item {
    min-height: auto;
  }

  .scope-item:not(:last-child) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .scope-item:not(:last-child)::after {
    top: auto;
    right: 36px;
    bottom: -20px;
    content: "↓";
  }

  .scope-item h3 {
    margin-top: 46px;
  }

  .cta-panel {
    padding: 44px 30px;
  }

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

  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom span {
    display: block;
    margin-top: 8px;
  }
}

@media (max-width: 520px) {
  .official-logo {
    height: 40px;
    max-width: 176px;
  }

  .official-logo--footer {
    width: 148px;
  }

  .nav-actions .btn-primary {
    display: none;
  }

  .landing-hero h1 {
    font-size: clamp(43px, 13vw, 58px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-photo,
  .hero-blueprint {
    min-height: 430px;
    border-radius: 24px;
  }

  .hero-blueprint {
    padding: 22px;
  }

  .blueprint-flow {
    margin-top: 36px;
  }

  .blueprint-node {
    padding: 0 16px;
    grid-template-columns: 50px 1fr;
  }

  .blueprint-node small {
    display: none;
  }

  .section-title,
  .intro-copy h2 {
    font-size: 39px;
  }

  .card-grid,
  .usp-grid,
  .audience-grid,
  .process-grid,
  .process-grid--six {
    grid-template-columns: 1fr;
  }

  .info-card,
  .usp-card,
  .audience-card {
    min-height: 220px;
  }

  .process-step,
  .process-grid--six .process-step {
    min-height: 220px;
    border-right: 0 !important;
    border-bottom: 1px solid var(--line) !important;
  }

  .process-step:last-child,
  .process-grid--six .process-step:last-child {
    border-bottom: 0 !important;
  }

  .process-step::after {
    display: none !important;
  }

  .process-step h3 {
    margin-top: 48px;
  }

  .cross-link {
    display: block;
  }

  .cross-link a {
    display: block;
    margin-top: 10px;
  }

  .cta-actions .btn {
    width: 100%;
  }

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

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}