/* Automation API Hub Business — industrial consulting theme */
:root {
  --color-bg: #e9eef1;
  --color-bg-deep: #d5dee4;
  --color-surface: #f7f9fa;
  --color-ink: #1c2b33;
  --color-ink-soft: #3d4f5a;
  --color-muted: #5c6d78;
  --color-accent: #d9772e;
  --color-accent-dark: #b55e1f;
  --color-steel: #3a5f6e;
  --color-sage: #7a9a8c;
  --color-line: #c5d0d7;
  --color-error: #a33a2c;
  --color-success: #2d6a4f;
  --font-display: "Noto Serif KR", "Batang", serif;
  --font-body: "Noto Sans KR", "Malgun Gothic", sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --radius: 2px;
  --shadow-soft: 0 12px 40px rgba(28, 43, 51, 0.08);
  --header-h: 4.25rem;
  --wrap: 72rem;
  --wrap-narrow: 42rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(122, 154, 140, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(217, 119, 46, 0.1), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-steel);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-accent-dark);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-ink);
}

.wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.wrap--narrow {
  width: min(100% - 2rem, var(--wrap-narrow));
}

.main {
  min-height: 60vh;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 249, 250, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-ink);
}

.site-header__mark {
  width: 0.85rem;
  height: 1.6rem;
  background: linear-gradient(180deg, var(--color-accent), var(--color-sage));
  flex-shrink: 0;
}

.site-header__name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  max-width: 14rem;
  line-height: 1.25;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  font-family: inherit;
  color: var(--color-ink);
}

.nav-toggle__bar {
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 -5px 0 currentColor;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-accent-dark);
}

.site-nav__cta {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  background: var(--color-ink);
  color: var(--color-surface) !important;
  text-decoration: none;
}

.site-nav__cta:hover {
  background: var(--color-accent-dark);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-4) var(--space-4) var(--space-5);
    display: none;
  }

  .site-nav.is-open {
    display: block;
    animation: slideDown 0.35s var(--ease);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(1.25rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes revealLine {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.reveal {
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) forwards;
}

.reveal--delay-1 { animation-delay: 0.12s; }
.reveal--delay-2 { animation-delay: 0.24s; }
.reveal--delay-3 { animation-delay: 0.36s; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

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

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

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

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

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

.btn--steel {
  background: var(--color-steel);
  color: #fff;
}

.btn--steel:hover {
  background: var(--color-ink);
  color: #fff;
}

/* Hero home — full bleed */
.home-hero {
  position: relative;
  min-height: min(92vh, 52rem);
  display: grid;
  align-items: end;
  color: #f4f7f8;
  overflow: hidden;
}

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

.home-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate(0, 0); }
  to { transform: scale(1.08) translate(-1.5%, -1%); }
}

.home-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(28, 43, 51, 0.88) 0%, rgba(28, 43, 51, 0.55) 48%, rgba(28, 43, 51, 0.25) 100%),
    linear-gradient(0deg, rgba(28, 43, 51, 0.75) 0%, transparent 45%);
}

.home-hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-8) 0 var(--space-7);
  max-width: 38rem;
}

.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  margin: 0 0 var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.home-hero__brand::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 3px;
  margin-top: var(--space-4);
  background: var(--color-accent);
  transform-origin: left;
  animation: revealLine 0.9s var(--ease) 0.3s both;
}

.home-hero__lead {
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 0 0 var(--space-6);
  color: rgba(244, 247, 248, 0.9);
  max-width: 28rem;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Sections */
.section {
  padding: var(--space-8) 0;
}

.section--surface {
  background: var(--color-surface);
  border-block: 1px solid var(--color-line);
}

.section__head {
  max-width: 36rem;
  margin-bottom: var(--space-6);
}

.section__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin: 0 0 var(--space-2);
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  margin: 0 0 var(--space-3);
}

.section__desc {
  margin: 0;
  color: var(--color-muted);
}

/* Offer strip */
.offer-strip {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

@media (max-width: 800px) {
  .offer-strip {
    grid-template-columns: 1fr;
  }
}

.offer-strip__image {
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.offer-strip__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.offer-strip__body h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-top: 0;
}

.offer-strip__body ul {
  padding-left: 1.1rem;
  color: var(--color-ink-soft);
}

.offer-strip__body li + li {
  margin-top: 0.35rem;
}

/* Service cards — interaction containers */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr));
  gap: var(--space-5);
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  height: 100%;
  transition: border-color 0.2s, box-shadow 0.25s, transform 0.25s;
}

.service-card:hover {
  border-color: var(--color-steel);
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
  color: inherit;
}

.service-card__img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-deep);
}

.service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.service-card:hover .service-card__img img {
  transform: scale(1.05);
}

.service-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card__title {
  font-size: 1.15rem;
  margin: 0 0 var(--space-2);
}

.service-card__summary {
  margin: 0 0 var(--space-4);
  color: var(--color-muted);
  font-size: 0.95rem;
  flex: 1;
}

.service-card__link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent-dark);
}

/* Evidence / quotes */
.quote-list {
  display: grid;
  gap: var(--space-5);
}

.quote {
  border-left: 3px solid var(--color-accent);
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
}

.quote__text {
  margin: 0 0 var(--space-3);
  font-size: 1.05rem;
}

.quote__meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.story-block {
  margin-top: var(--space-7);
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
}

.story-block h3 {
  margin-top: 0;
}

/* Page heroes */
.page-hero {
  padding: var(--space-7) 0 var(--space-6);
}

.page-hero--compact {
  padding-bottom: var(--space-4);
}

.page-hero--media {
  position: relative;
  min-height: 22rem;
  display: flex;
  align-items: flex-end;
  color: #f4f7f8;
  overflow: hidden;
}

.page-hero__media {
  position: absolute;
  inset: 0;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero--media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(28, 43, 51, 0.85) 0%, rgba(28, 43, 51, 0.35) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-6);
}

.page-hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
}

.page-hero--media .page-hero__eyebrow {
  color: #f0b27a;
}

.page-hero__title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  margin: 0 0 var(--space-3);
}

.page-hero__lead,
.page-hero__meta {
  margin: 0;
  color: var(--color-muted);
  max-width: 36rem;
}

.page-hero--media .page-hero__lead {
  color: rgba(244, 247, 248, 0.88);
}

/* Service detail */
.service-detail__body {
  display: grid;
  grid-template-columns: 1fr minmax(14rem, 18rem);
  gap: var(--space-6);
  padding: var(--space-7) 0;
  align-items: start;
}

@media (max-width: 800px) {
  .service-detail__body {
    grid-template-columns: 1fr;
  }
}

.service-aside {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.service-aside__title {
  font-size: 1.1rem;
  margin: 0 0 var(--space-4);
}

.service-aside__list {
  margin: 0 0 var(--space-5);
}

.service-aside__list > div {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-line);
}

.service-aside__list dt {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 0.2rem;
}

.service-aside__list dd {
  margin: 0;
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.rate-table th,
.rate-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.rate-table th {
  font-family: var(--font-display);
  font-weight: 600;
  background: var(--color-bg);
}

.rate-note {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-left: 3px solid var(--color-sage);
  background: var(--color-surface);
}

.factor-factors {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.price-factor {
  padding: var(--space-4);
  border-top: 2px solid var(--color-steel);
  background: var(--color-surface);
}

.price-factor h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.05rem;
}

.price-factor p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
}

/* Process steps (field visits) */
.process-steps {
  counter-reset: step;
  display: grid;
  gap: 0;
}

.process-step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-line);
}

.process-step__num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent);
  line-height: 1;
}

.process-step h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.2rem;
}

.process-step p {
  margin: 0;
  color: var(--color-ink-soft);
}

/* Forms */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
}

@media (max-width: 800px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-info address {
  font-style: normal;
}

.form {
  display: grid;
  gap: var(--space-4);
}

.form__field {
  display: grid;
  gap: var(--space-2);
}

.form__field label {
  font-weight: 600;
  font-size: 0.92rem;
}

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-ink);
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid var(--color-steel);
  outline-offset: 1px;
}

.form__error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin: 0;
  min-height: 1.2em;
}

.form__status {
  padding: var(--space-3) var(--space-4);
  font-size: 0.95rem;
  display: none;
}

.form__status.is-visible {
  display: block;
}

.form__status--success {
  background: rgba(45, 106, 79, 0.12);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form__status--error {
  background: rgba(163, 58, 44, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

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

/* Prose */
.prose {
  max-width: 42rem;
}

.prose h2 {
  margin-top: var(--space-6);
  font-size: 1.45rem;
}

.prose h3 {
  margin-top: var(--space-5);
  font-size: 1.15rem;
}

.prose p,
.prose ul,
.prose ol {
  color: var(--color-ink-soft);
}

.prose-page {
  padding-bottom: var(--space-8);
}

.post-cover {
  margin: 0 0 var(--space-6);
}

.post-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border: 1px solid var(--color-line);
}

.post-list {
  display: grid;
  gap: var(--space-5);
  padding-bottom: var(--space-8);
}

.post-item {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: var(--space-5);
  text-decoration: none;
  color: inherit;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

@media (max-width: 600px) {
  .post-item {
    grid-template-columns: 1fr;
  }
}

.post-item__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-deep);
}

.post-item__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-item__title {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
}

.post-item__excerpt {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.post-item__date {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: var(--space-2);
  display: block;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 800px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.portrait {
  border: 1px solid var(--color-line);
}

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

.portrait figcaption {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.values {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.value-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

@media (max-width: 600px) {
  .value-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

.value-row h3 {
  margin: 0;
  font-size: 1.05rem;
}

.value-row p {
  margin: 0;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  margin-top: var(--space-7);
  background: var(--color-ink);
  color: rgba(244, 247, 248, 0.85);
  padding: var(--space-7) 0 var(--space-5);
}

.site-footer a {
  color: rgba(244, 247, 248, 0.9);
}

.site-footer a:hover {
  color: #f0b27a;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 700px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 var(--space-2);
  color: #fff;
}

.site-footer__tag {
  margin: 0;
  font-size: 0.9rem;
}

.site-footer__heading {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 var(--space-3);
  color: #f0b27a;
}

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

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

.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  box-shadow: 0 -8px 30px rgba(28, 43, 51, 0.12);
  padding: var(--space-4) 0;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.cookie-banner__title {
  font-size: 1rem;
  margin: 0 0 var(--space-2);
}

.cookie-banner__text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
  max-width: 40rem;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.error-page h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  margin: 0 0 var(--space-3);
  color: var(--color-steel);
}

/* Legal tables */
.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: var(--space-5) 0;
}

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

.cookie-table th {
  background: var(--color-bg);
}

.cta-band {
  padding: var(--space-7) 0;
  background: var(--color-steel);
  color: #f4f7f8;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  margin: 0 0 var(--space-3);
}

.cta-band p {
  margin: 0 auto var(--space-5);
  max-width: 32rem;
  color: rgba(244, 247, 248, 0.88);
}

.home-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 800px) {
  .home-preview {
    grid-template-columns: 1fr;
  }
}

.note-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border-top: 3px solid var(--color-sage);
}

.note-card h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
}

.note-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}