:root {
  --color-bg: #e7ecef;
  --color-bg-elevated: #f5f7f8;
  --color-ink: #1e2a32;
  --color-ink-soft: #4a5863;
  --color-accent: #3d6b5a;
  --color-accent-deep: #2c4f42;
  --color-line: #c5ced4;
  --color-panel: #dfe6ea;
  --color-danger: #8b3a3a;
  --font-display: "Song Myung", "Noto Serif KR", serif;
  --font-body: "IBM Plex Sans KR", sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.85rem;
  --space-md: 1.5rem;
  --space-lg: 2.75rem;
  --space-xl: 4.5rem;
  --radius: 2px;
  --shadow-soft: 0 18px 40px rgba(30, 42, 50, 0.08);
  --max: 1120px;
  --header-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(61, 107, 90, 0.12), transparent 55%),
    linear-gradient(165deg, #d8e0e5 0%, var(--color-bg) 38%, #eef2f4 100%);
  background-attachment: fixed;
  line-height: 1.7;
  min-height: 100vh;
}

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

a {
  color: var(--color-accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-ink);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); margin: 0 0 var(--space-md); }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.1rem); margin: 0 0 var(--space-sm); }
h3 { font-size: 1.25rem; margin: 0 0 var(--space-xs); }

p { margin: 0 0 var(--space-sm); color: var(--color-ink-soft); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.main {
  padding-top: var(--header-h);
}

.section {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  padding: var(--space-xl) 0;
}

.section--narrow {
  width: min(100% - 2rem, 720px);
}

.section--panel {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-line);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.section--split {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .section--split {
    grid-template-columns: 1fr 1fr;
  }
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.lead {
  font-size: 1.125rem;
  max-width: 38rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.65rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  color: #f4f8f6;
}

.btn--primary:hover {
  background: var(--color-accent-deep);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn--ghost:hover {
  background: var(--color-ink);
  color: var(--color-bg-elevated);
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(231, 236, 239, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  background: rgba(245, 247, 248, 0.94);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-ink);
  text-decoration: none;
}

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  margin: 0.35rem auto;
  background: var(--color-ink);
  transition: transform 0.2s ease;
}

.site-header__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
}

.site-header__nav a[aria-current="page"],
.site-header__nav a:hover {
  color: var(--color-ink);
}

@media (max-width: 900px) {
  .site-header__toggle { display: block; }
  .site-header__nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-md);
    display: none;
  }
  .site-header__nav.is-open { display: block; }
  .site-header__nav ul {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* Footer */
.site-footer {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-line);
  background: #d5dde3;
  padding: var(--space-xl) 0 var(--space-md);
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-ink);
  margin-bottom: var(--space-xs);
}

.site-footer__heading {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.site-footer__links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links li { margin-bottom: 0.4rem; }

.site-footer__copy {
  width: min(100% - 2rem, var(--max));
  margin: var(--space-lg) auto 0;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  animation: rise-in 0.45s ease both;
}

.cookie-banner__inner {
  width: min(100%, 720px);
  margin: 0 auto;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-line);
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .cookie-banner__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Home hero — full-bleed composition */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #f3f6f8;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenburns 18s ease-in-out infinite alternate;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(20, 32, 38, 0.82) 12%, rgba(20, 32, 38, 0.45) 58%, rgba(20, 32, 38, 0.25) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-xl) 0 calc(var(--space-xl) + 1rem);
  animation: fade-up 0.8s ease both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  color: #f7fafb;
  margin: 0 0 var(--space-sm);
  line-height: 1.1;
}

.hero h1 {
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 500;
  max-width: 28rem;
  color: #dce5ea;
  margin-bottom: var(--space-sm);
}

.hero .lead {
  color: #c5d0d7;
  margin-bottom: var(--space-md);
}

.page-hero {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-xl) 0 var(--space-lg);
  animation: fade-up 0.6s ease both;
}

.page-hero--with-media {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .page-hero--with-media {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.page-hero__media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: saturate(0.9);
}

/* Offer preview */
.offer-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .offer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.offer-item {
  display: block;
  text-decoration: none;
  color: inherit;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
  transition: border-color 0.2s ease;
}

.offer-item:hover {
  border-bottom-color: var(--color-accent);
}

.offer-item img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  margin-bottom: var(--space-sm);
}

.offer-item h3 {
  color: var(--color-ink);
}

/* Evidence / quotes */
.quote-list {
  display: grid;
  gap: var(--space-md);
}

.quote {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-line);
}

.quote p {
  font-size: 1.05rem;
  color: var(--color-ink);
}

.quote footer {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}

/* Steps / process */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: var(--space-md);
}

.steps li {
  position: relative;
  padding-left: 3.25rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-accent);
}

.checklist {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--color-ink-soft);
}

.checklist li { margin-bottom: 0.45rem; }

.checklist--muted { opacity: 0.85; }

.facts {
  display: grid;
  gap: var(--space-md);
  margin: 0 0 var(--space-md);
}

@media (min-width: 640px) {
  .facts {
    grid-template-columns: 1fr 1fr;
  }
}

.facts dt {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.facts dd {
  margin: 0.2rem 0 0;
  color: var(--color-ink);
}

/* Service detail */
.service-detail__hero {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-xl) 0;
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .service-detail__hero {
    grid-template-columns: 1fr 1fr;
  }
}

.service-detail__media img {
  width: 100%;
  aspect-ratio: 5/4;
  object-fit: cover;
}

.service-detail .section {
  padding-top: 0;
}

/* Pricing */
.rate-block {
  border-top: 1px solid var(--color-line);
  padding: var(--space-md) 0;
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 720px) {
  .rate-block {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: baseline;
  }
}

.rate-block__price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-ink);
}

/* Blog */
.post-list {
  display: grid;
  gap: var(--space-lg);
}

.post-card {
  display: grid;
  gap: var(--space-md);
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .post-card {
    grid-template-columns: 280px 1fr;
    align-items: center;
  }
}

.post-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.post-card h2 {
  color: var(--color-ink);
  font-size: 1.5rem;
}

.article {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

.article__meta {
  font-size: 0.85rem;
  color: var(--color-accent);
}

.article__figure {
  margin: var(--space-md) 0 var(--space-lg);
}

.article__figure img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.prose h2 { margin-top: var(--space-lg); }
.prose ul, .prose ol { color: var(--color-ink-soft); }

/* Forms */
.form {
  display: grid;
  gap: var(--space-md);
  max-width: 36rem;
}

.form__field {
  display: grid;
  gap: 0.35rem;
}

.form__field label {
  font-size: 0.92rem;
  font-weight: 500;
}

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-bg-elevated);
  font: inherit;
  color: var(--color-ink);
}

.form__field textarea { min-height: 9rem; resize: vertical; }

.form__field.is-invalid input,
.form__field.is-invalid select,
.form__field.is-invalid textarea {
  border-color: var(--color-danger);
}

.form__error {
  color: var(--color-danger);
  font-size: 0.85rem;
  display: none;
}

.form__field.is-invalid .form__error { display: block; }

.form__status {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  display: none;
}

.form__status.is-visible { display: block; }
.form__status.is-success { border-color: var(--color-accent); }
.form__status.is-error { border-color: var(--color-danger); color: var(--color-danger); }

.contact-grid {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.contact-aside {
  background: var(--color-panel);
  padding: var(--space-lg);
  align-self: start;
}

/* Story blocks */
.story {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-line);
}

.story h3 { margin-bottom: var(--space-xs); }

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: var(--space-xl) 1rem;
}

/* Animations */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.legal {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: var(--space-xl) 0;
}

.legal h2 {
  margin-top: var(--space-lg);
}

.table-wrap {
  overflow-x: auto;
  margin: var(--space-md) 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  border: 1px solid var(--color-line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-panel);
  font-weight: 600;
}