:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #6f7d89;
  --soft: #f5f8fb;
  --white: #ffffff;
  --line: #dce6ef;
  --blue: #2f72df;
  --blue-deep: #174b9f;
  --blue-pale: #dfeeff;
  --grey: #eef2f6;
  --shadow: 0 24px 70px rgba(35, 66, 102, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 68px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 230, 239, 0.4);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 36px rgba(38, 66, 99, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 14px;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 40px);
  color: #526170;
  font-size: 14px;
  font-weight: 700;
}

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

.site-language-switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: var(--grey);
}

.site-language-switch button {
  min-height: 32px;
  border: 0;
  border-radius: 999px;
  padding: 0 10px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 800;
}

.site-language-switch button.is-active {
  color: var(--blue-deep);
  background: var(--white);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}

.header-cta {
  color: var(--blue-deep);
  background: var(--blue-pale);
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 94vh;
  padding: 120px clamp(20px, 5vw, 68px) 70px;
  overflow: hidden;
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 38%, #eef5ff 100%);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 42%, rgba(255, 255, 255, 0.1) 82%);
  pointer-events: none;
}

.hero-image {
  position: absolute;
  inset: 0 0 0 auto;
  width: min(68vw, 1120px);
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 660px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-copy {
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 22px);
}

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

.button {
  min-width: 148px;
  border: 1px solid transparent;
}

.button.primary {
  color: var(--white);
  background: var(--blue);
}

.button.ghost {
  color: var(--blue-deep);
  background: var(--white);
  border-color: var(--line);
}

.button.full {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.section {
  padding: clamp(76px, 11vw, 140px) clamp(20px, 5vw, 68px);
}

.story {
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

.story p:not(.section-kicker) {
  max-width: 780px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.section-inline-image {
  display: block;
  width: min(100%, 760px);
  aspect-ratio: 16 / 9;
  margin: 28px auto 0;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.split .section-inline-image {
  margin-right: 0;
  margin-left: 0;
}

.preview-embed {
  display: block;
  width: min(100%, 760px);
  aspect-ratio: 16 / 9;
  margin: 28px auto 0;
  border: 0;
  border-radius: 8px;
  background: #dfeaf6;
  box-shadow: var(--shadow);
}

.split .preview-embed {
  margin-right: 0;
  margin-left: 0;
}

.sequence-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  width: min(100%, 900px);
  margin: 30px auto 0;
}

.split .sequence-board {
  margin-right: 0;
  margin-left: 0;
}

.sequence-board article {
  position: relative;
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--white);
  box-shadow: 0 16px 42px rgba(28, 53, 82, 0.1);
}

.sequence-board span {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 28px;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.sequence-board img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  object-fit: cover;
  background: var(--soft);
}

.sequence-board p {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
  background: var(--soft);
}

.quiet-list {
  display: grid;
  gap: 14px;
}

.quiet-list article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.quiet-list span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--blue);
  font-weight: 800;
}

.quiet-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
  width: min(100%, 860px);
  margin: 34px auto 0;
  text-align: left;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 42px rgba(28, 53, 82, 0.08);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 68px;
  padding: 18px 22px;
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  margin-left: auto;
  color: var(--blue);
  content: "+";
  font-size: 22px;
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item summary span {
  color: var(--blue);
}

.faq-item p {
  max-width: none;
  margin: 0;
  padding: 0 22px 22px 58px;
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 19px);
}

.frames {
  background: var(--white);
}

.section-heading {
  max-width: 940px;
  margin: 0 auto 48px;
  text-align: center;
}

.frame-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 34px);
  max-width: 1040px;
  margin: 0 auto;
}

.photo-strip {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.photo-strip span {
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  background: linear-gradient(135deg, #e8f2ff, #c9ddf7);
}

.photo-strip.soft span {
  background: linear-gradient(135deg, #f8fbff, #d7e3ee);
}

.photo-strip.line span {
  background: linear-gradient(135deg, #f2f5f8, #bcd4f7);
}

.photo-strip strong {
  display: block;
  padding: 8px 0 4px;
  color: var(--blue-deep);
  text-align: center;
}

.ops-grid {
  align-items: stretch;
}

.ops-card {
  display: grid;
  gap: 14px;
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.ops-card strong {
  color: var(--blue-deep);
  font-size: 24px;
}

.ops-card p {
  margin: 0;
  color: var(--muted);
}

.visit {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.66fr);
  gap: clamp(34px, 7vw, 86px);
  align-items: start;
  background: var(--soft);
}

.visit-copy {
  max-width: 640px;
}

.visit-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 48px rgba(36, 67, 100, 0.08);
}

label {
  display: grid;
  gap: 8px;
  color: #3a4855;
  font-weight: 800;
}

label small,
.form-copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cfdae5;
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(47, 114, 223, 0.16);
  border-color: var(--blue);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--blue-deep);
  font-weight: 800;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 68px);
  color: #6a7784;
  background: var(--white);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 88vh;
    background: var(--white);
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.76));
  }

  .hero-image {
    inset: 0;
    width: 100%;
    opacity: 0.62;
  }

  .split,
  .visit {
    grid-template-columns: 1fr;
  }

  .frame-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 64px;
    padding: 12px 16px;
  }

  .brand {
    font-size: 15px;
  }

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

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 14px;
  }

  .site-actions {
    gap: 6px;
  }

  .site-language-switch button {
    padding: 0 8px;
  }

  .hero {
    padding: 104px 20px 56px;
  }

  .hero-actions,
  .footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .quiet-list article,
  .contact-form {
    padding: 22px;
  }
}
