:root {
  --paper: #f5f7fa;
  --ink: #1f2933;
  --muted: #52606d;
  --line: #dce1e6;
  --lime: #d1f568;
  --blue: #355bd7;
  --radius: 24px;
  --gutter: 64px;
  font-family: Inter, "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3, p { word-break: keep-all; overflow-wrap: anywhere; }
p { text-wrap: pretty; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
[hidden] { display: none !important; }
.section-wrap { max-width: 1440px; margin-inline: auto;
  padding-inline: var(--gutter); }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  padding: 14px 20px; background: var(--ink); color: white;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  position: sticky; top: 0; z-index: 20;
  min-height: 80px;
  padding: 16px max(var(--gutter), calc((100vw - 1312px) / 2));
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.wordmark {
  display: inline-flex; align-items: baseline;
  font-size: 34px; font-weight: 800; letter-spacing: -1.8px;
}
.brand-dot { width: 8px; height: 8px; background: var(--blue); margin-left: 3px; }
.site-navigation { display: flex; align-items: center; gap: 34px; }
.site-navigation a { font-size: 14px; font-weight: 600; }
.site-navigation a:hover { color: var(--blue); }
.site-navigation .nav-experience {
  border: 1px solid var(--ink); border-radius: 999px;
  padding: 12px 19px; display: flex; gap: 25px; align-items: center;
}
.nav-experience:hover { background: var(--ink); color: white !important; }
.menu-toggle { display: none; }
.hero { padding-top: 30px; }
.hero-topline, .hero-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
}
.eyebrow { display: flex; align-items: center; gap: 9px;
  font-size: 12px; letter-spacing: .09em; font-weight: 700; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.hero-note { font-size: 12px; color: var(--muted); }
.hero-grid {
  display: grid; grid-template-columns: 1.08fr 1fr;
  align-items: center; gap: 48px; padding-block: 40px 42px;
}
.hero h1 {
  font-size: clamp(58px, 5.6vw, 80px); font-weight: 800;
  line-height: 1.2; letter-spacing: -.05em; position: relative;
}
.hero h1 > span { color: var(--blue); }
.hero-spark {
  width: 64px; height: 64px; display: inline-block;
  fill: var(--lime); margin-left: 20px; vertical-align: baseline;
  stroke: var(--ink); stroke-width: .8;
}
.hero-description {
  margin-top: 27px; font-size: 17px; line-height: 1.85; color: var(--muted);
}
.button {
  display: inline-flex; align-items: center; justify-content: space-between;
  min-height: 52px; gap: 38px; padding: 15px 22px;
  border-radius: 999px; font-size: 14px; font-weight: 600;
  border: 1px solid transparent; transition: background .18s, color .18s;
}
.button-dark { background: var(--ink); color: white; }
.button-dark:hover { background: var(--blue); }
.button span { font-size: 21px; line-height: 1; }
.hero .button { margin-top: 31px; }
.hero-art {
  position: relative; min-width: 0; aspect-ratio: 1.24; isolation: isolate;
}
.hero-art::before {
  content: ""; position: absolute; inset: 15px 20px 26px;
  border: 1px solid #d7e0ed; border-radius: 50%;
  background: #e9eef6; z-index: -1; transform: rotate(-14deg);
}
.story-stack {
  position: absolute; width: 52%; height: 74%; top: 8%; left: 23%;
  transform: rotate(-8deg);
}
.stack-sheet { position: absolute; inset: 0; border: 1px solid var(--ink); }
.sheet-back { background: var(--blue); transform: rotate(17deg) translate(18px, 3px); }
.sheet-middle { background: #fbfcfd; transform: rotate(8deg) translate(7px, 1px); }
.sheet-front {
  background: var(--lime); padding: 20px; display: flex; flex-direction: column;
  box-shadow: 0 18px 30px rgb(31 41 51 / 10%);
}
.sheet-label { font-size: clamp(8px, .75vw, 10px); font-weight: 600; letter-spacing: .05em; }
.sheet-story { margin-top: auto; font-size: clamp(46px, 5.4vw, 76px);
  line-height: .95; font-weight: 800; letter-spacing: -.07em; position: relative; }
.sheet-story > span { position: absolute; right: -2px; top: 0; font-weight: 400; }
.sheet-bottom { margin-top: auto; padding-top: 16px; font-size: 11px; font-weight: 500; }
.art-sticker {
  position: absolute; right: 10px; bottom: 38px; padding: 16px 18px;
  background: var(--ink); color: white; border-radius: 50%;
  font-size: 13px; font-weight: 600; line-height: 1.6; transform: rotate(9deg);
}
.art-caption {
  position: absolute; bottom: 0; left: 27px; right: 27px;
  display: flex; justify-content: space-between; gap: 12px;
  font-size: 9px; letter-spacing: .06em; font-weight: 500; color: var(--muted);
}
.hero-bottom { padding: 22px 0 26px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 11px; }
.hero-bottom > span { word-break: keep-all; text-wrap: balance; }
.hero-bottom a { letter-spacing: .08em; font-size: 10px; }
.hero-bottom a span { margin-left: 20px; font-size: 18px; }
.brand-strip {
  display: flex; justify-content: space-around; align-items: center; gap: 30px;
  background: var(--lime); border-block: 1px solid var(--ink);
  padding: 14px 30px; overflow: hidden; white-space: nowrap;
  font-size: clamp(13px, 1.45vw, 19px); letter-spacing: -.02em; font-weight: 700;
}
.strip-spark { font-size: 24px; line-height: 1; font-weight: 400; }

.section-space { padding-block: 96px; }
.section-heading {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-bottom: 42px;
}
.section-number { color: var(--blue); margin-right: 8px; }
.section-aside { color: var(--muted); font-size: 12px; }
h2 { font-size: clamp(32px, 3.3vw, 46px); line-height: 1.4;
  font-weight: 700; letter-spacing: -.04em; }
.philosophy-grid { display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; }
.philosophy-copy h2 span { color: var(--blue); }
.philosophy-copy p { font-size: 16px; color: var(--muted);
  line-height: 1.85; max-width: 420px; margin-top: 24px; }
.philosophy-copy .intro-text { font-size: 19px; color: var(--ink); margin-top: 29px; }
.philosophy-figure { margin: 0; position: relative; }
.moment-illustration { width: 100%; aspect-ratio: 544 / 372;
  border-radius: var(--radius); border: 1px solid #d7dde2; }
.philosophy-figure figcaption { display: flex; align-items: center;
  gap: 9px; margin-top: 16px; font-size: 13px; color: var(--muted); }
.caption-dot { width: 5px; height: 5px; background: var(--blue);
  border-radius: 50%; flex-shrink: 0; }
.experience { background: var(--ink); color: var(--paper); }
.experience .section-number { color: var(--lime); }
.live-label { display: flex; align-items: center; gap: 7px;
  color: #cbd2d9; font-size: 12px; }
.live-label .status-dot { background: var(--lime); }
.experience-heading { display: flex; justify-content: space-between;
  align-items: end; gap: 40px; margin-bottom: 38px; }
.experience-heading h2 span { color: var(--lime); }
.experience-intro { max-width: 440px; }
.experience-intro > p { font-size: 15px; color: #cbd2d9; line-height: 1.85; }
.experience-controls { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 23px; }
.experience-controls button { display: inline-flex; align-items: center;
  justify-content: space-between; gap: 18px; min-height: 44px;
  padding: 11px 17px; border: 1px solid #697887; border-radius: 999px;
  color: var(--paper); background: transparent; font-size: 13px; }
.experience-controls button:hover { color: var(--ink); background: var(--lime);
  border-color: var(--lime); }
.experience-controls button span { font-size: 17px; }
.experience :focus-visible { outline-color: var(--lime); }
.experience-surface { position: relative; height: 360px; border-radius: var(--radius);
  border: 1px solid #52606d; background: #283640;
  cursor: crosshair; overflow: hidden; touch-action: pan-y; }
.experience-surface canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.surface-prompt { position: absolute; top: 30%; left: 0; right: 0;
  display: flex; flex-direction: column; align-items: center; gap: 13px;
  pointer-events: none; color: #d1d9dd; font-size: 14px; }
.prompt-symbol { font-size: 38px; color: var(--lime); line-height: 1; }
.surface-corner, .surface-index { position: absolute; bottom: 24px;
  pointer-events: none; color: #cbd2d9; font-size: 9px; letter-spacing: .08em; }
.surface-corner { left: 26px; }
.surface-index { right: 26px; font-size: 24px; line-height: 1; }
.experience-caption { display: flex; justify-content: space-between;
  gap: 18px; margin-top: 17px; font-size: 12px; line-height: 1.8; color: #cbd2d9; }
.experience-caption #scene-status { flex-shrink: 0; color: var(--lime); }
.principles-heading { display: flex; justify-content: space-between;
  align-items: end; gap: 36px; }
.principles-heading > p { color: var(--muted); font-size: 15px;
  line-height: 1.9; padding-bottom: 5px; }
.title-dot { color: var(--blue); }
.principles-grid { display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 27px; margin-top: 55px; }
.principle { padding-top: 22px; border-top: 1px solid var(--ink); }
.principle-top { display: flex; justify-content: space-between;
  align-items: center; gap: 12px; min-height: 44px; margin-bottom: 24px; }
.principle-top > span { font-size: 10px; letter-spacing: .025em;
  font-weight: 600; color: var(--muted); }
.principle svg { width: 44px; height: 44px; stroke: var(--blue); order: -1;
  stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.principle h3 { font-size: 20px; font-weight: 700; letter-spacing: -.04em; }
.principle p { font-size: 15px; line-height: 1.85; color: var(--muted);
  margin-top: 17px; }
.trust-panel { display: grid; grid-template-columns: 1.15fr .85fr;
  background: #e7edf4; border-radius: var(--radius); overflow: hidden; }
.trust-copy { padding: 48px; display: flex; flex-direction: column;
  justify-content: center; }
.trust-copy h2 { margin-top: 26px; font-size: clamp(28px, 2.8vw, 38px); }
.trust-copy > p:not(.eyebrow) { margin-top: 20px; font-size: 15px;
  line-height: 1.85; color: var(--muted); text-wrap: balance; }
.trust-promises { list-style: none; margin: 27px 0 0; padding: 0; }
.trust-promises li { display: flex; align-items: baseline; gap: 12px;
  font-size: 14px; padding-block: 13px; border-top: 1px solid #cbd2d9;
  line-height: 1.8; word-break: keep-all; text-wrap: balance; }
.trust-promises li > span { color: var(--blue); font-size: 17px; flex-shrink: 0; }
.trust { padding-bottom: 96px; }
.trust-visual { min-width: 0; display: flex; flex-direction: column;
  justify-content: center; align-items: center; padding: 32px 32px 32px 0; }
.trust-illustration { width: 100%; max-width: 360px; height: auto; }
.trust-caption { margin-top: 12px; color: var(--blue); font-size: 11px;
  font-weight: 600; letter-spacing: .1em; }
.site-footer { background: var(--lime); padding-block: 44px 34px; }
.footer-top { display: flex; justify-content: space-between;
  align-items: center; gap: 24px; }
.footer-top a { font-size: 12px; padding: 12px 0; min-height: 44px; }
.footer-top a span { font-size: 19px; margin-left: 14px; }
.footer-statement { font-size: clamp(27px, 3.4vw, 46px); line-height: 1.5;
  font-weight: 600; letter-spacing: -.05em; padding-block: 52px 68px; }
.footer-statement > span { text-decoration: underline; text-underline-offset: 9px;
  text-decoration-thickness: 2px; }
.footer-bottom { border-top: 1px solid rgb(31 41 51 / 30%); padding-top: 25px;
  display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.footer-wordmark { font-size: clamp(68px, 10vw, 142px); line-height: 1.06;
  letter-spacing: -.06em; font-weight: 800; display: flex; align-items: flex-start; }
.footer-wordmark > span { font-size: .45em; line-height: 1; margin-left: 12px; }
.footer-bottom > div { font-size: 13px; line-height: 1.9; text-align: right; }
.copyright { margin-top: 12px; font-size: 11px; }

@media (max-width: 1100px) {
  :root { --gutter: 36px; }
  .site-navigation { gap: 22px; }
  .hero-grid { gap: 24px; }
  .hero h1 { font-size: clamp(48px, 6vw, 70px); }
  .hero-spark { width: 58px; height: 58px; margin-left: 16px; }
  .sheet-front { padding: 16px; }
  .philosophy-grid { gap: 40px; }
  .principles-grid { gap: 22px; grid-template-columns: repeat(2, 1fr); }
  .trust-copy { padding: 35px 28px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 85px; }
  :root { --gutter: 24px; }
  .site-header { min-height: 73px; padding: 16px var(--gutter); flex-wrap: wrap; }
  .wordmark { font-size: 29px; }
  .menu-toggle {
    display: flex; align-items: center; gap: 12px;
    min-height: 42px; padding: 6px 0 6px 14px;
    border: 0; background: none; font-size: 12px; color: var(--ink);
  }
  .menu-lines { width: 20px; height: 12px; border-block: 1.5px solid; }
  .menu-toggle[aria-expanded="true"] .menu-lines {
    height: 0; border-top: 0; transform: rotate(-45deg); position: relative;
  }
  .menu-toggle[aria-expanded="true"] .menu-lines::after {
    content: ""; position: absolute; width: 20px; border-top: 1.5px solid;
    transform: rotate(90deg);
  }
  .site-navigation {
    width: 100%; padding-top: 16px; gap: 0;
    flex-direction: column; align-items: stretch;
  }
  .site-navigation a { padding: 16px 0; border-top: 1px solid var(--line); }
  .site-navigation .nav-experience {
    margin-top: 10px; padding: 14px 18px; justify-content: space-between;
  }
  .hero { padding-top: 25px; }
  .hero-note { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; padding-block: 32px 30px; }
  .hero h1 { font-size: clamp(46px, 10.8vw, 76px); }
  .hero-spark { width: 55px; height: 55px; margin-left: 18px; }
  .hero-description { margin-top: 23px; font-size: 15px; }
  .hero .button { margin-top: 23px; }
  .hero-art { aspect-ratio: 1.22; max-width: 460px; width: 100%; margin-inline: auto; }
  .sheet-front { padding: 12px; }
  .sheet-story { font-size: clamp(40px, 12.5vw, 78px); }
  .sheet-story > span { font-size: .7em; right: -5px; top: -5px; }
  .sheet-bottom { padding-top: 8px; font-size: 9px; }
  .sheet-label { font-size: 9px; }
  .art-sticker { right: 0; bottom: 32px; padding: 12px 14px; font-size: 11px; }
  .art-caption { left: 12px; right: 12px; font-size: 8px; }
  .hero-bottom { align-items: flex-start; font-size: 10px; }
  .hero-bottom > span { max-width: 175px; line-height: 1.8; }
  .hero-bottom a { white-space: nowrap; font-size: 8px; line-height: 1.8; }
  .hero-bottom a span { margin-left: 8px; }
  .brand-strip { display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 12px 20px; padding: 18px var(--gutter); text-align: center; font-size: 12px; }
  .strip-spark { display: none; }
  .section-space { padding-block: 60px; }
  .section-heading { margin-bottom: 35px; }
  .section-heading .eyebrow { font-size: 10px; }
  .section-aside { display: none; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 32px; }
  .philosophy-copy p { max-width: 100%; font-size: 15px; }
  .philosophy-copy .intro-text { font-size: 18px; }
  .philosophy-figure figcaption { font-size: 12px; }
  .experience-heading { flex-direction: column; align-items: stretch; gap: 25px; }
  .experience-intro { max-width: 100%; }
  .experience-intro > p { font-size: 14px; }
  .experience-controls { display: grid; grid-template-columns: 1fr 1fr;
    gap: 10px; margin-top: 19px; }
  .experience-controls button { min-width: 0; padding: 11px 12px;
    gap: 8px; font-size: 12px; }
  .experience-surface { height: 300px; border-radius: 18px; }
  .experience-caption { flex-direction: column; gap: 5px; font-size: 12px; }
  .surface-corner { left: 19px; font-size: 7px; }
  .principles-heading { flex-direction: column; align-items: stretch; gap: 22px; }
  .principles-heading > p { font-size: 14px; }
  .principles-grid { margin-top: 35px; gap: 35px 22px; }
  .principle-top { flex-direction: column; align-items: flex-start;
    gap: 16px; margin-bottom: 14px; }
  .principle-top > span { font-size: 10px; }
  .principle h3 { font-size: 19px; }
  .principle p { font-size: 14px; margin-top: 12px; }
  .trust-panel { grid-template-columns: 1fr; }
  .trust-copy { padding: 32px 24px; }
  .trust-copy h2 { font-size: 30px; margin-top: 27px; }
  .trust-promises li { font-size: 14px; }
  .trust { padding-bottom: 60px; }
  .trust-visual { padding: 0 24px 28px; }
  .trust-illustration { max-width: 260px; }
  .site-footer { padding-block: 31px 28px; }
  .footer-top .eyebrow { font-size: 9px; }
  .footer-statement { font-size: 29px; padding-block: 39px 50px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 27px; }
  .footer-wordmark { font-size: clamp(65px, 20vw, 145px); }
  .footer-bottom > div { text-align: left; }
}
@media (max-width: 480px) {
  .principles-grid { grid-template-columns: 1fr; gap: 25px; }
  .principle { display: grid; grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 20px; row-gap: 9px; }
  .principle-top { grid-column: 1; grid-row: 1 / span 2; margin: 0; }
  .principle-top > span { display: none; }
  .principle h3, .principle p { grid-column: 2; }
  .principle p { margin-top: 0; }
}
@media (max-width: 360px) {
  :root { --gutter: 20px; }
  .hero-bottom { gap: 12px; }
  .hero-bottom > span { max-width: 145px; }
  .desktop-break { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}