:root {
  color-scheme: light;
  --ink: #111820;
  --muted: #66717d;
  --line: #e7ecef;
  --paper: #ffffff;
  --soft: #f6f8f7;
  --teal: #5b91cc;
  --teal-dark: #356f9f;
  --green: #6ea95f;
  --coral: #f08b73;
  --amber: #e4b35f;
  --radius: 8px;
  --max: 1180px;
  --header-height: 74px;
  font-family:
    "Pretendard",
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

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

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

.section-pad {
  padding: 124px max(28px, calc((100vw - var(--max)) / 2));
}

.site-header {
  align-items: center;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(231, 236, 239, 0);
  display: flex;
  height: var(--header-height);
  justify-content: space-between;
  left: 0;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  position: fixed;
  right: 0;
  top: 0;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
  z-index: 20;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(25, 37, 44, 0.06);
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 16px;
  font-weight: 750;
  gap: 10px;
  letter-spacing: 0;
}

.brand-lockup {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.brand-mark {
  align-items: center;
  background: #6ea95f;
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 16px;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  line-height: 1;
  width: 34px;
}

.brand-text {
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
}

.brand-provider {
  color: #66717d;
  font-size: 11px;
  font-weight: 800;
}

.brand-logo {
  height: 26px;
  width: 150px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 32px;
}

.site-nav a {
  color: #3d4851;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--teal-dark);
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  display: none;
  height: 42px;
  justify-content: center;
  padding: 0;
  width: 42px;
}

.nav-toggle span {
  background: var(--ink);
  display: block;
  height: 2px;
  position: absolute;
  transition: transform 180ms ease;
  width: 21px;
}

.nav-toggle span:first-child {
  transform: translateY(-4px);
}

.nav-toggle span:last-child {
  transform: translateY(4px);
}

.nav-toggle.is-open span:first-child {
  transform: rotate(45deg);
}

.nav-toggle.is-open span:last-child {
  transform: rotate(-45deg);
}

.hero {
  align-items: center;
  display: grid;
  gap: 58px;
  grid-template-columns: minmax(0, 0.96fr) minmax(500px, 1.04fr);
  min-height: 88vh;
  overflow: hidden;
  padding-bottom: 64px;
  padding-top: calc(var(--header-height) + 92px);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 20px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  word-break: keep-all;
}

h1 {
  font-size: clamp(48px, 5.6vw, 76px);
  letter-spacing: 0;
  line-height: 1.08;
  margin-bottom: 32px;
}

.hero-lede {
  color: #3f4a54;
  font-size: 20px;
  line-height: 1.75;
  margin-bottom: 38px;
  max-width: 620px;
}

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

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 800;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  transition:
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

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

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-ghost {
  background: #eef4f3;
  color: var(--ink);
}

.hero-visual {
  margin: 0;
  min-width: 0;
  position: relative;
}

.hero-visual::before {
  background: rgba(29, 184, 189, 0.12);
  content: "";
  height: 72%;
  position: absolute;
  right: -18%;
  top: 9%;
  transform: rotate(-7deg);
  width: 82%;
  z-index: -1;
}

.hero-visual img {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  box-shadow: 0 38px 90px rgba(20, 35, 43, 0.14);
  height: auto;
  object-fit: cover;
  width: min(760px, 52vw);
}

.statement {
  background: var(--ink);
  color: #fff;
  padding: 118px max(28px, calc((100vw - var(--max)) / 2));
}

.statement-inner {
  max-width: 1040px;
}

.statement p {
  font-size: clamp(34px, 5.2vw, 68px);
  font-weight: 780;
  letter-spacing: 0;
  line-height: 1.16;
  margin: 0;
}

.media-strip {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.05fr 0.95fr 1.2fr 0.8fr;
  padding: 28px max(28px, calc((100vw - var(--max)) / 2)) 0;
}

.strip-card {
  align-content: end;
  border-radius: var(--radius);
  color: #fff;
  display: grid;
  min-height: 260px;
  overflow: hidden;
  padding: 26px;
  position: relative;
}

.strip-card::before {
  content: "";
  inset: 0;
  opacity: 0.92;
  position: absolute;
}

.strip-card::after {
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  content: "";
  height: 160px;
  position: absolute;
  right: -42px;
  top: -42px;
  width: 160px;
}

.strip-card span,
.strip-card strong {
  position: relative;
}

.strip-card span {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.strip-card strong {
  font-size: 22px;
  line-height: 1.35;
}

.strip-card-a::before {
  background:
    linear-gradient(135deg, rgba(12, 118, 123, 0.96), rgba(29, 184, 189, 0.82)),
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(255, 255, 255, 0.12) 24px 25px);
}

.strip-card-b::before {
  background:
    radial-gradient(circle at 82% 22%, rgba(255, 255, 255, 0.28), transparent 30%),
    linear-gradient(135deg, #25313a, #4a5a62);
}

.strip-card-c::before {
  background:
    linear-gradient(135deg, rgba(102, 157, 89, 0.94), rgba(240, 139, 115, 0.82)),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(255, 255, 255, 0.14) 28px 29px);
}

.strip-card-d::before {
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.3), transparent 24%),
    linear-gradient(135deg, #d2974b, #6ea95f);
}

.section-heading {
  margin-bottom: 48px;
  max-width: 820px;
}

.section-heading h2 {
  font-size: clamp(34px, 4.2vw, 58px);
  letter-spacing: 0;
  line-height: 1.18;
  margin-bottom: 0;
}

.section-subcopy {
  color: #4c5862;
  font-size: 18px;
  line-height: 1.75;
  margin: 22px 0 0;
  max-width: 780px;
}

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

.service-card {
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.service-card-primary {
  background: #e8f8f7;
}

.service-card-secondary {
  background: #eef4fb;
}

.service-card-tertiary {
  background: #f4f7ed;
}

.service-image {
  aspect-ratio: 4 / 3;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.service-card-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: clamp(26px, 3vw, 38px);
}

.service-topline {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 44px;
}

.service-index,
.service-state {
  color: rgba(17, 24, 32, 0.58);
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.service-card h3 {
  font-size: clamp(29px, 2.6vw, 42px);
  letter-spacing: 0;
  line-height: 1.1;
  margin-bottom: 24px;
}

.service-card p {
  color: #3d4a51;
  font-size: 17px;
  line-height: 1.75;
  max-width: 560px;
}

.service-card a,
.quiet-link {
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
  margin-top: 28px;
  position: relative;
  width: fit-content;
}

.service-card a::after,
.quiet-link::after {
  background: currentColor;
  bottom: -6px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  width: 100%;
}

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

.belief-list {
  display: grid;
  gap: 0;
}

.belief-list article {
  align-items: start;
  border-top: 1px solid #dce5e4;
  display: grid;
  gap: 28px;
  grid-template-columns: 80px minmax(200px, 0.42fr) minmax(0, 1fr);
  padding: 34px 0;
}

.belief-list article:last-child {
  border-bottom: 1px solid #dce5e4;
}

.belief-list span {
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 850;
}

.belief-list h3 {
  font-size: clamp(24px, 2.8vw, 36px);
  line-height: 1.2;
  margin-bottom: 0;
}

.belief-list p {
  color: #4c5862;
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 0;
}

.numbers {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.numbers div {
  padding: 60px 32px;
  text-align: center;
}

.numbers div + div {
  border-left: 1px solid var(--line);
}

.numbers strong {
  display: block;
  font-size: clamp(34px, 5.2vw, 72px);
  letter-spacing: 0;
  line-height: 1;
  overflow-wrap: anywhere;
}

.numbers span {
  color: var(--muted);
  display: block;
  font-size: 14px;
  font-weight: 780;
  margin-top: 10px;
  text-transform: uppercase;
}

.journey {
  background:
    linear-gradient(90deg, rgba(29, 184, 189, 0.08), transparent 50%),
    var(--paper);
}

.timeline {
  counter-reset: timeline;
  display: grid;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline li {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  gap: 24px;
  grid-template-columns: 160px minmax(0, 1fr);
  min-height: 112px;
  padding: 28px 34px;
}

.timeline span {
  color: var(--teal-dark);
  font-size: 16px;
  font-weight: 900;
  text-transform: uppercase;
}

.timeline p {
  color: #3f4a54;
  font-size: 19px;
  line-height: 1.75;
  margin-bottom: 0;
}

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

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

.provider-grid article {
  background: #fff;
  border: 1px solid #dce5e4;
  border-radius: var(--radius);
  min-height: 310px;
  padding: clamp(26px, 3.2vw, 40px);
}

.provider-grid span {
  color: var(--teal-dark);
  display: block;
  font-size: 13px;
  font-weight: 850;
  margin-bottom: 40px;
  text-transform: uppercase;
}

.provider-grid h3 {
  font-size: clamp(22px, 2.1vw, 31px);
  line-height: 1.15;
  margin-bottom: 18px;
  overflow-wrap: anywhere;
}

.provider-grid p {
  color: #4c5862;
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 0;
}

.provider-grid a {
  color: var(--ink);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cta {
  align-items: center;
  background: var(--ink);
  color: #fff;
  display: flex;
  gap: 32px;
  justify-content: space-between;
}

.cta .eyebrow {
  color: #8ddfe0;
}

.cta h2 {
  font-size: clamp(32px, 4.2vw, 60px);
  letter-spacing: 0;
  line-height: 1.18;
  margin-bottom: 0;
  max-width: 760px;
}

.cta .button-primary {
  background: #fff;
  color: var(--ink);
  flex: 0 0 auto;
}

.site-footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 34px max(28px, calc((100vw - var(--max)) / 2));
}

.site-footer p {
  color: #66717d;
  font-size: 14px;
  font-weight: 700;
  margin: 0;
}

@media (max-width: 980px) {
  .section-pad {
    padding: 96px 24px;
  }

  .site-header {
    padding: 0 22px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-bottom: 52px;
    padding-top: calc(var(--header-height) + 64px);
  }

  .hero-visual img {
    width: 100%;
  }

  .media-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-left: 24px;
    padding-right: 24px;
  }

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

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

  .belief-list article {
    grid-template-columns: 56px 1fr;
  }

  .belief-list p {
    grid-column: 2;
  }

  .cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 66px;
  }

  .brand-logo {
    height: 24px;
    width: 138px;
  }

  .brand-mark {
    height: 32px;
    width: 32px;
  }

  .brand-text {
    font-size: 19px;
  }

  .brand-provider {
    font-size: 10px;
  }

  .nav-toggle {
    display: inline-flex;
    position: relative;
    z-index: 22;
  }

  .site-nav {
    align-items: stretch;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(25, 37, 44, 0.08);
    display: grid;
    gap: 0;
    left: 0;
    opacity: 0;
    padding: 12px 22px 20px;
    pointer-events: none;
    position: fixed;
    right: 0;
    top: var(--header-height);
    transform: translateY(-12px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    border-top: 1px solid var(--line);
    font-size: 18px;
    padding: 18px 0;
  }

  h1 {
    font-size: 48px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .statement {
    padding: 88px 24px;
  }

  .media-strip {
    grid-template-columns: 1fr;
  }

  .strip-card {
    min-height: 190px;
  }

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

  .service-topline {
    margin-bottom: 58px;
  }

  .belief-list article {
    gap: 14px;
    grid-template-columns: 1fr;
  }

  .belief-list p {
    grid-column: auto;
  }

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

  .numbers div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .timeline li {
    gap: 12px;
    grid-template-columns: 1fr;
    padding: 26px 24px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .brand {
    gap: 8px;
  }

  .brand-mark {
    height: 30px;
    width: 30px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-logo {
    height: 22px;
    width: 127px;
  }

  h1 {
    font-size: 42px;
  }

  .section-heading h2,
  .statement p,
  .cta h2 {
    font-size: 32px;
  }
}
