:root {
  --ink: #111815;
  --ink-soft: #1b2520;
  --paper: #f2f0e8;
  --paper-deep: #e7e4da;
  --sage: #b9c7aa;
  --sage-muted: #87957c;
  --line-dark: rgba(242, 240, 232, 0.16);
  --line-light: rgba(17, 24, 21, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family:
    Arial, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  padding: 28px 4.5vw;
  border-bottom: 1px solid var(--line-dark);
}

.brand {
  display: block;
  width: 108px;
  height: 54px;
  overflow: hidden;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

nav {
  display: flex;
  gap: clamp(22px, 3vw, 48px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

nav a,
footer a {
  position: relative;
  padding-block: 8px;
}

nav a::after,
footer a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 280ms ease;
}

nav a:hover::after,
nav a:focus-visible::after,
footer a:hover::after,
footer a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 148px 4.5vw 54px;
  background:
    radial-gradient(circle at 75% 42%, rgba(185, 199, 170, 0.12), transparent 30%),
    var(--ink);
}

.hero-grid {
  position: absolute;
  inset: 0 0 0 50%;
  border-left: 1px solid var(--line-dark);
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 9vw 9vw;
  opacity: 0.42;
  -webkit-mask-image: linear-gradient(to left, black, transparent);
  mask-image: linear-gradient(to left, black, transparent);
}

.hero-grid::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(38vw, 560px);
  aspect-ratio: 1;
  border: 1px solid rgba(185, 199, 170, 0.22);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.eyebrow {
  position: relative;
  margin: 0;
  color: var(--sage);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.hero-copy {
  position: relative;
  display: grid;
  min-height: calc(100svh - 254px);
  align-content: center;
  padding-block: 52px;
}

.hero h1 {
  max-width: 1050px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(58px, 9.1vw, 142px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.86;
}

.hero-description {
  margin: clamp(42px, 6vh, 74px) 0 0 clamp(3px, 14vw, 205px);
  color: rgba(242, 240, 232, 0.68);
  font-size: clamp(13px, 1.15vw, 16px);
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.9;
}

.scroll-cue {
  position: absolute;
  right: 4.5vw;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(242, 240, 232, 0.62);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 70px;
  background: var(--sage);
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.about,
.contact {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 3fr;
  gap: 4vw;
  padding: clamp(96px, 13vw, 190px) 4.5vw;
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding-top: 12px;
  color: rgba(17, 24, 21, 0.56);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-label span:first-child {
  color: var(--sage-muted);
}

.about-content {
  max-width: 1050px;
}

.lead {
  max-width: 930px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5.3vw, 78px);
  letter-spacing: -0.045em;
  line-height: 1.22;
  word-break: keep-all;
}

.body-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 76px);
  max-width: 750px;
  margin: 88px 0 0 auto;
  padding-top: 25px;
  border-top: 1px solid var(--line-light);
}

.body-copy p,
.principle p {
  margin: 0;
  color: rgba(17, 24, 21, 0.66);
  font-size: 14px;
  letter-spacing: -0.01em;
  line-height: 1.9;
  word-break: keep-all;
}

.approach {
  padding: clamp(100px, 11vw, 160px) 4.5vw;
  background: var(--ink-soft);
}

.section-label-dark {
  color: rgba(242, 240, 232, 0.5);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(74px, 9vw, 130px);
  border-top: 1px solid var(--line-dark);
}

.principle {
  min-height: 370px;
  padding: 28px clamp(20px, 3vw, 46px) 36px;
  border-right: 1px solid var(--line-dark);
}

.principle:first-child {
  padding-left: 0;
}

.principle:last-child {
  border-right: 0;
}

.principle-number {
  color: var(--sage);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.principle h2 {
  margin: 96px 0 25px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 3.8vw, 58px);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.principle p {
  max-width: 270px;
  color: rgba(242, 240, 232, 0.58);
}

.contact-content {
  max-width: 980px;
}

.contact-kicker {
  margin: 0 0 35px;
  color: var(--sage-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.contact-page-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-light);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5.4vw, 82px);
  letter-spacing: -0.04em;
  transition:
    color 220ms ease,
    border-color 220ms ease;
}

.contact-page-link:hover,
.contact-page-link:focus-visible {
  border-color: var(--sage-muted);
  color: #53624d;
}

.contact-page-link-arrow {
  font-family: Arial, sans-serif;
  font-size: 0.58em;
  font-weight: 300;
}

address {
  margin-top: 52px;
  color: rgba(17, 24, 21, 0.6);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.04em;
  line-height: 1.8;
  text-transform: uppercase;
}

.contact-hero {
  position: relative;
  min-height: 78svh;
  overflow: hidden;
  padding: 148px 4.5vw 70px;
  background:
    radial-gradient(circle at 75% 42%, rgba(185, 199, 170, 0.12), transparent 30%),
    var(--ink);
}

.contact-hero-copy {
  position: relative;
  display: grid;
  min-height: calc(78svh - 238px);
  align-content: center;
  padding-block: 44px 20px;
}

.contact-hero h1 {
  max-width: 1050px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(62px, 9.5vw, 144px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.86;
}

.contact-intro {
  margin: clamp(38px, 5vh, 64px) 0 0 clamp(3px, 14vw, 205px);
  color: rgba(242, 240, 232, 0.68);
  font-size: clamp(13px, 1.15vw, 16px);
  line-height: 1.9;
}

.contact-details {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 3fr;
  gap: 4vw;
  padding: clamp(96px, 12vw, 170px) 4.5vw;
}

.contact-details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 980px;
  border-top: 1px solid var(--line-light);
}

.contact-detail {
  min-height: 235px;
  padding: 30px clamp(24px, 3vw, 46px) 36px 0;
  border-bottom: 1px solid var(--line-light);
}

.contact-detail + .contact-detail {
  padding-right: 0;
  padding-left: clamp(24px, 3vw, 46px);
  border-left: 1px solid var(--line-light);
}

.contact-detail-label {
  margin: 0 0 70px;
  color: var(--sage-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.contact-detail a,
.contact-detail address {
  margin: 0;
  color: rgba(17, 24, 21, 0.72);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(16px, 1.65vw, 24px);
  letter-spacing: -0.025em;
  line-height: 1.55;
  text-transform: none;
}

.contact-detail a {
  display: inline-block;
  overflow-wrap: anywhere;
  transition: color 220ms ease;
}

.contact-detail a:hover,
.contact-detail a:focus-visible {
  color: #53624d;
}

.contact-form-slot {
  grid-column: 1 / -1;
  padding-top: clamp(74px, 9vw, 120px);
}

.contact-form-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 42px;
}

.contact-form-heading .contact-detail-label {
  margin-bottom: 22px;
}

.contact-form-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 4.5vw, 68px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

.contact-form-heading > p {
  margin: 0 0 7px;
  color: rgba(17, 24, 21, 0.5);
  font-size: 11px;
  letter-spacing: -0.01em;
}

.contact-inquiry-form {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-light);
}

.form-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  border: 0 !important;
  white-space: nowrap !important;
}

.form-field {
  padding: 28px 0 38px;
  border-bottom: 1px solid var(--line-light);
}

.form-field:not(.form-field-wide):nth-of-type(4) {
  padding-left: clamp(24px, 3vw, 46px);
  border-left: 1px solid var(--line-light);
}

.form-field-wide {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  margin-bottom: 24px;
  color: var(--sage-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.form-field input,
.form-field textarea {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: -0.02em;
  line-height: 1.65;
}

.form-field textarea {
  min-height: 220px;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(17, 24, 21, 0.3);
  opacity: 1;
}

.form-field input:focus,
.form-field textarea:focus {
  box-shadow: 0 2px 0 var(--sage-muted);
}

.form-submit-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 32px;
}

.form-submit-row p {
  margin: 0;
  color: rgba(17, 24, 21, 0.5);
  font-size: 11px;
  line-height: 1.7;
}

.form-submit-row button {
  display: flex;
  min-width: 220px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 20px 22px;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  transition:
    background-color 220ms ease,
    color 220ms ease;
}

.form-submit-row button:hover,
.form-submit-row button:focus-visible {
  background: transparent;
  color: var(--ink);
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 31px 4.5vw;
  border-top: 1px solid var(--line-dark);
  background: var(--ink);
  color: rgba(242, 240, 232, 0.52);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

footer p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--sage);
  outline-offset: 5px;
}

.reveal {
  animation: reveal 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.reveal-delay-1 {
  animation-delay: 120ms;
}

.reveal-delay-2 {
  animation-delay: 260ms;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 18px 20px;
  }

  .brand {
    width: 82px;
    height: 42px;
  }

  nav {
    gap: 18px;
  }

  nav a:not(:last-child) {
    display: none;
  }

  .hero {
    min-height: 780px;
    padding: 116px 20px 45px;
  }

  .hero-grid {
    inset: 0 0 0 18%;
    background-size: 18vw 18vw;
  }

  .hero-copy {
    min-height: 585px;
    align-content: center;
  }

  .hero h1 {
    font-size: clamp(54px, 18vw, 84px);
    line-height: 0.92;
  }

  .hero-description {
    margin: 44px 0 0 3px;
  }

  .scroll-cue {
    right: 20px;
  }

  .about,
  .contact {
    grid-template-columns: 1fr;
    gap: 55px;
    padding: 90px 20px;
  }

  .lead {
    font-size: clamp(34px, 10.2vw, 48px);
  }

  .body-copy {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 58px;
  }

  .approach {
    padding: 90px 20px;
  }

  .principles {
    grid-template-columns: 1fr;
    margin-top: 60px;
  }

  .principle,
  .principle:first-child {
    min-height: auto;
    padding: 26px 0 52px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .principle:last-child {
    border-bottom: 0;
  }

  .principle h2 {
    margin: 48px 0 20px;
  }

  .contact-page-link {
    align-items: flex-end;
  }

  .contact-hero {
    min-height: 680px;
    padding: 116px 20px 54px;
  }

  .contact-hero-copy {
    min-height: 510px;
    align-content: center;
  }

  .contact-hero h1 {
    font-size: clamp(54px, 18vw, 84px);
    line-height: 0.92;
  }

  .contact-intro {
    margin: 42px 0 0 3px;
  }

  .contact-details {
    grid-template-columns: 1fr;
    gap: 55px;
    padding: 90px 20px;
  }

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

  .contact-detail,
  .contact-detail + .contact-detail {
    min-height: auto;
    padding: 28px 0 42px;
    border-left: 0;
  }

  .contact-detail-label {
    margin-bottom: 36px;
  }

  .contact-detail a,
  .contact-detail address {
    font-size: 20px;
  }

  .contact-form-slot {
    padding-top: 70px;
  }

  .contact-form-heading {
    display: block;
    margin-bottom: 36px;
  }

  .contact-form-heading > p {
    margin-top: 18px;
  }

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

  .form-field,
  .form-field:not(.form-field-wide):nth-of-type(4) {
    grid-column: 1;
    padding: 26px 0 34px;
    border-left: 0;
  }

  .form-field textarea {
    min-height: 190px;
  }

  .form-submit-row {
    display: block;
    padding-top: 28px;
  }

  .form-submit-row button {
    width: 100%;
    margin-top: 22px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 30px 20px;
  }

  footer a {
    justify-self: start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}