@charset "UTF-8";

:root {
  color-scheme: dark;
  --ink: #0d0d0d;
  --surface: #1a1a1a;
  --paper: #f5f5f5;
  --muted: #b7b7b0;
  --quiet: #858580;
  --line: #343432;
  --signal: #ffd400;
  --violet: #6c5ce7;
  --display: "Space Grotesk", "Pretendard Variable", Pretendard, "Noto Sans KR", sans-serif;
  --body: "Pretendard Variable", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  --page-gutter: clamp(1.25rem, 4vw, 4rem);
  --section-space: clamp(5.5rem, 10vw, 9rem);
  --header-height: 5rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body,
a,
button {
  cursor: default;
}

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

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

p,
h1,
h2,
h3,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

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

::selection {
  background: var(--signal);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

main:focus {
  outline: none;
}

.shell {
  width: min(calc(100% - (var(--page-gutter) * 2)), 84rem);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  transform: translateY(-180%);
  background: var(--signal);
  color: var(--ink);
  font-weight: 700;
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  background: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 7rem;
  min-height: 2.75rem;
}

.brand-link img {
  width: 7rem;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
}

.nav-link,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  font-family: var(--display);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-link {
  position: relative;
  color: var(--muted);
  transition: color 180ms ease;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 0.42rem;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--signal);
  content: "";
  transition: transform 220ms var(--ease-out);
}

.nav-link:hover,
.nav-link[aria-current="true"] {
  color: var(--paper);
}

.nav-link:hover::after,
.nav-link[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding-inline: 1rem;
  background: var(--signal);
  color: var(--ink);
  transition: background-color 180ms ease, color 180ms ease;
}

.nav-cta:hover {
  background: var(--paper);
}

.hero {
  position: relative;
  display: flex;
  min-height: max(36rem, calc(100svh - var(--header-height)));
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 1.5rem;
  align-content: center;
  padding-block: clamp(4rem, 8vh, 6.5rem) clamp(3rem, 7vh, 5rem);
}

.hero-next {
  position: absolute;
  right: max(var(--page-gutter), calc((100vw - 84rem) / 2));
  bottom: clamp(2rem, 5vh, 3.5rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 400;
  line-height: 1;
  transition: background-color 180ms ease, color 180ms ease;
}

.hero-next:hover {
  background: var(--paper);
}

.section-index,
.process-number {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 500;
  word-break: keep-all;
}

h1 {
  max-width: none;
  margin: 0;
  font-size: clamp(3.5rem, 5.6vw, 5.8rem);
  letter-spacing: -0.065em;
  line-height: 1.02;
  text-wrap: balance;
}

.hero-copy {
  grid-column: 1 / -1;
}

.hero-slogan-en {
  margin-top: clamp(2rem, 4vh, 3rem);
  color: var(--muted);
  font-family: var(--display);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  letter-spacing: -0.025em;
  line-height: 1.45;
}

.contact-link-mark {
  transition: transform 220ms var(--ease-out);
}

.contact-link:hover .contact-link-mark {
  transform: translate(0.2rem, -0.2rem);
}

.section {
  padding-block: var(--section-space);
  border-bottom: 1px solid var(--line);
}

.section--surface {
  background: var(--surface);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
}

.section-heading {
  grid-column: 1 / span 3;
}

.section-index {
  margin-bottom: 1rem;
  color: var(--quiet);
}

.section-heading h2 {
  max-width: 8ch;
  font-size: clamp(1.75rem, 2.4vw, 2.5rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-narrative,
.focus-block {
  grid-column: 4 / -1;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line);
}

.section-lead {
  max-width: none;
  font-size: clamp(2rem, 3.7vw, 3.75rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.18;
  word-break: keep-all;
}

.no-break {
  white-space: nowrap;
}

.section-body-copy,
.focus-copy {
  display: grid;
  margin-top: clamp(3rem, 6vw, 5.5rem);
  color: var(--muted);
}

.section-body-copy {
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: none;
}

.focus-copy {
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 48rem;
}

.section-body-copy p,
.focus-copy p {
  word-break: keep-all;
}

.section-body-copy p {
  max-width: none;
}

.focus-copy p {
  max-width: 48rem;
}

.focus-block {
  border-top-color: #464643;
}

.focus-title {
  max-width: 19ch;
  font-family: var(--display);
  font-size: clamp(2.25rem, 4.5vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.04;
  text-wrap: balance;
}

.process-number {
  color: var(--quiet);
}

.process-list h3 {
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.section-grid--intro {
  align-items: end;
  margin-bottom: clamp(4rem, 7vw, 6.5rem);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
}

.process-list li {
  position: relative;
  min-height: 24rem;
  padding: 2rem 1.5rem 1.5rem;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.process-list li:first-child {
  border-left: 1px solid var(--line);
}

.process-marker {
  position: absolute;
  top: -0.3rem;
  left: -1px;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--line);
  transition: background-color 300ms ease;
}

.process-list li.is-visible .process-marker {
  background: var(--signal);
}

.process-list h3 {
  margin-block: 4.5rem 1rem;
  max-width: 14ch;
  font-size: clamp(1.65rem, 2.15vw, 2.1rem);
}

@media (min-width: 68.01rem) {
  .section-body-copy p {
    white-space: nowrap;
  }

  .process-list h3 {
    max-width: none;
    white-space: nowrap;
  }
}

.process-list li > p:last-child {
  color: var(--muted);
  word-break: keep-all;
}

.contact {
  padding-block: var(--section-space);
  background: var(--paper);
  color: var(--ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: end;
}

.contact-copy {
  grid-column: 1 / span 8;
}

.contact .section-index {
  color: #60605c;
}

.contact h2 {
  max-width: 13ch;
  margin-bottom: 2rem;
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  letter-spacing: -0.065em;
  line-height: 0.98;
  text-wrap: balance;
}

.contact-copy > p:last-child {
  max-width: 34rem;
  color: #4a4a46;
  font-size: 1.05rem;
  word-break: keep-all;
}

.contact-link {
  display: flex;
  grid-column: 9 / -1;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  padding-inline: 1.25rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: var(--display);
  font-size: clamp(0.9rem, 1.25vw, 1.15rem);
  font-weight: 500;
  transition: background-color 180ms ease;
}

.contact-link:hover {
  background: var(--signal);
}

body.modal-open {
  overflow: hidden;
}

.contact-modal[hidden] {
  display: none;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.82);
  backdrop-filter: blur(4px);
}

.contact-modal-panel {
  position: relative;
  width: min(100%, 68rem);
  max-height: calc(100svh - 2rem);
  overflow: auto;
  padding: clamp(1.5rem, 3vw, 3rem);
  border-top: 0.4rem solid var(--signal);
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.35);
  overscroll-behavior: contain;
}

.contact-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.contact-modal-header > p,
.contact-modal-email span {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.75rem;
  line-height: 1;
  transition: background-color 180ms ease, color 180ms ease;
}

.contact-modal-close:hover {
  background: var(--ink);
  color: var(--paper);
}

.contact-modal-copy > h2 {
  max-width: 14ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 4.75rem);
  letter-spacing: -0.06em;
  line-height: 1.02;
  text-wrap: balance;
}

.contact-modal-copy > p {
  max-width: 38rem;
  color: #4a4a46;
  word-break: keep-all;
}

.inquiry-guide {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--ink);
  list-style: none;
}

.inquiry-guide li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 1.25rem 1.75rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.inquiry-guide li:nth-child(odd) {
  margin-right: 1.5rem;
  border-right: 1px solid var(--line-dark);
}

.inquiry-guide li > span {
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.inquiry-guide h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  letter-spacing: -0.025em;
}

.inquiry-guide p {
  color: #4a4a46;
  font-size: 0.925rem;
  line-height: 1.6;
  word-break: keep-all;
}

.contact-modal-email {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-block: 1.25rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.contact-modal-email strong {
  font-family: var(--display);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
}

.contact-modal-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.modal-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.8rem;
  font-weight: 500;
  text-align: center;
  transition: background-color 180ms ease, color 180ms ease;
}

.modal-action:hover {
  background: var(--ink);
  color: var(--paper);
}

.modal-action--primary {
  justify-content: space-between;
  background: var(--signal);
}

.contact-modal-feedback {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  color: #4a4a46;
  font-size: 0.8rem;
}

.site-footer {
  padding-block: 2.25rem;
  background: var(--ink);
  color: var(--quiet);
}

.footer-grid {
  font-family: var(--display);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-align: center;
}

.js [data-reveal] {
  opacity: 1;
  transform: none;
}

/* Core content stays visible at all times; motion is limited to marks, hover, and focus feedback. */

@media (max-width: 68rem) {
  .nav-links {
    gap: 1.25rem;
  }

  .nav-link--optional:nth-of-type(3) {
    display: none;
  }

  .hero-grid,
  .section-grid,
  .contact-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .section-heading {
    grid-column: 1 / span 2;
  }

  .section-narrative,
  .focus-block {
    grid-column: 3 / -1;
  }

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

  .process-list h3 {
    min-height: 2.2em;
  }

  .process-list li:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .process-list li:nth-child(n + 3) {
    border-top-color: transparent;
  }

  .process-list li:last-child {
    grid-column: 1 / -1;
  }

  .process-list li:last-child h3 {
    min-height: 0;
  }

  .contact-copy {
    grid-column: 1 / span 5;
  }

  .contact-link {
    grid-column: 6 / -1;
  }
}

@media (max-width: 47.99rem) {
  :root {
    --header-height: 4rem;
  }

  .nav-link--optional {
    display: none;
  }

  .brand-link img {
    width: 5.75rem;
  }

  .nav-cta {
    padding-inline: 0.9rem;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
  }

  .hero-grid,
  .section-grid,
  .contact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 1rem;
  }

  .hero-grid {
    padding-block: 3.25rem 2rem;
  }

  .hero-next {
    right: var(--page-gutter);
    bottom: 1.5rem;
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.55rem;
  }

  h1 {
    margin: 0;
    font-size: clamp(2rem, 8.6vw, 2.6rem);
    line-height: 1.08;
  }

  .hero-slogan-en {
    margin-top: 1.75rem;
    font-size: 0.95rem;
  }

  .section-heading,
  .section-narrative,
  .focus-block {
    grid-column: 1 / -1;
  }

  .section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 3.5rem;
  }

  .section-index {
    order: 2;
    margin: 0;
  }

  .section-heading h2 {
    max-width: none;
  }

  .section-narrative,
  .focus-block {
    padding-top: 1.5rem;
  }

  .section-lead {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .section-body-copy,
  .focus-copy {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-top: 2.5rem;
  }

  .focus-title {
    font-size: clamp(2.15rem, 10vw, 3.1rem);
  }


  .section-grid--intro {
    margin-bottom: 2.25rem;
  }

  .section-grid--intro .section-heading {
    margin-bottom: 1.5rem;
  }


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

  .process-list li {
    min-height: 0;
    padding: 1.25rem 1.25rem 1.75rem;
    border-left: 1px solid var(--line);
  }

  .process-list li:nth-child(n + 2) {
    border-top-color: transparent;
  }

  .process-list h3 {
    min-height: 0;
    margin-block: 1.75rem 0.625rem;
  }

  #process {
    padding-block: 4rem;
  }

  .contact-copy,
  .contact-link {
    grid-column: 1 / -1;
  }

  .contact-copy .section-index {
    margin-bottom: 1rem;
  }

  .contact h2 {
    margin-bottom: 1.5rem;
    font-size: clamp(3rem, 14vw, 4.5rem);
  }

  .contact-link {
    margin-top: 3.5rem;
    font-size: 1rem;
  }

  .contact-modal {
    padding: 0.5rem;
  }

  .contact-modal-panel {
    max-height: calc(100svh - 1rem);
    padding: 1.25rem;
  }

  .contact-modal-header {
    margin-bottom: 2.25rem;
  }

  .contact-modal-copy > h2 {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
  }

  .inquiry-guide {
    grid-template-columns: 1fr;
    margin-top: 2.25rem;
  }

  .inquiry-guide li {
    padding: 1.25rem 0 1.5rem;
  }

  .inquiry-guide li:nth-child(odd) {
    margin-right: 0;
    border-right: 0;
  }

  .contact-modal-email {
    align-items: flex-start;
    flex-direction: column;
    margin-top: 2.25rem;
  }

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

  .modal-action {
    min-height: 3.25rem;
  }

}

@media (max-width: 22rem) {
  .nav-cta {
    font-size: 0.7rem;
  }

  h1 {
    font-size: 1.9rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

}