/* Smartinfranetwork — industrial field consulting theme */
:root {
  --color-bg: #e9ece8;
  --color-bg-deep: #d5dcd4;
  --color-surface: #f7f8f5;
  --color-ink: #1e2a2e;
  --color-muted: #4f5c61;
  --color-line: #b8c2bc;
  --color-accent: #6b8f71;
  --color-accent-deep: #3d5c44;
  --color-copper: #b8734a;
  --color-copper-deep: #8a4f32;
  --color-header: #2c3a3f;
  --font-display: "Outfit", "IBM Plex Sans KR", sans-serif;
  --font-body: "IBM Plex Sans KR", sans-serif;
  --space-xs: 0.4rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2.25rem;
  --space-xl: 4rem;
  --space-2xl: 6.5rem;
  --radius: 2px;
  --shadow-soft: 0 12px 40px rgba(30, 42, 46, 0.08);
  --wrap: min(1120px, calc(100% - 2.5rem));
  --header-h: 4.25rem;
  --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: 1.05rem;
  line-height: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(107, 143, 113, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(184, 115, 74, 0.12), transparent 50%),
    linear-gradient(165deg, var(--color-bg) 0%, var(--color-bg-deep) 48%, #e4e8e2 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

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

a {
  color: var(--color-accent-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-copper-deep);
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(44, 58, 63, 0.94);
  backdrop-filter: blur(10px);
  color: #f4f6f3;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: #f7f8f5;
  text-decoration: none;
}

.site-header__brand:hover {
  color: #d4a574;
}

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: transparent;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.site-header__toggle span {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: #f4f6f3;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: rgba(244, 246, 243, 0.82);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
}

@media (max-width: 860px) {
  .site-header__toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    background: var(--color-header);
    padding: var(--space-md) 1.25rem var(--space-lg);
    display: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .site-nav__list {
    flex-direction: column;
    gap: 0.85rem;
  }
}

@keyframes navDrop {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

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

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

.btn--ghost {
  background: transparent;
  color: inherit;
  border-color: currentColor;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn--on-light.btn--ghost {
  color: var(--color-ink);
  border-color: var(--color-line);
}

.btn--on-light.btn--ghost:hover {
  background: rgba(30, 42, 46, 0.05);
}

/* Home hero — full-bleed */
.home-hero {
  position: relative;
  min-height: min(92vh, 780px);
  display: flex;
  align-items: flex-end;
  color: #f7f8f5;
  overflow: hidden;
}

.home-hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(30, 42, 46, 0.82) 0%, rgba(30, 42, 46, 0.45) 48%, rgba(30, 42, 46, 0.25) 100%),
    url("https://images.unsplash.com/photo-1565793298595-6a879b1d9492?w=1800&h=1200&fit=crop") center / cover no-repeat;
  transform: scale(1.04);
  animation: heroDrift 18s var(--ease) infinite alternate;
}

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

.home-hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: 36rem;
  animation: fadeUp 0.9s var(--ease) both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
}

.home-hero__headline {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 500;
  line-height: 1.45;
  margin: 0 0 var(--space-sm);
  max-width: 28rem;
}

.home-hero__support {
  margin: 0 0 var(--space-lg);
  color: rgba(247, 248, 245, 0.82);
  font-size: 1rem;
  max-width: 26rem;
}

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

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

.section--tight {
  padding: var(--space-lg) 0;
}

.section__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-copper-deep);
  margin: 0 0 var(--space-xs);
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.01em;
}

.section__lead {
  margin: 0 0 var(--space-lg);
  color: var(--color-muted);
  max-width: 38rem;
}

.section--band {
  background: rgba(247, 248, 245, 0.72);
  border-block: 1px solid var(--color-line);
}

/* Offer list (not card-heavy) */
.offer-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.offer-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr) auto;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.offer-list__item:hover {
  background: rgba(107, 143, 113, 0.08);
  padding-left: 0.5rem;
}

.offer-list__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
}

.offer-list__summary {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
}

.offer-list__link {
  font-weight: 600;
  color: var(--color-accent-deep);
  white-space: nowrap;
}

@media (max-width: 760px) {
  .offer-list__item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}

/* Flagship strip */
.flagship {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-lg);
  align-items: center;
}

.flagship__media {
  min-height: 320px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  animation: fadeUp 1s var(--ease) 0.15s both;
}

.flagship__body {
  animation: fadeUp 1s var(--ease) 0.3s both;
}

.flagship__list {
  margin: var(--space-md) 0 var(--space-lg);
  padding-left: 1.15rem;
  color: var(--color-muted);
}

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

/* Quotes */
.quote-stack {
  display: grid;
  gap: var(--space-lg);
}

.quote-block {
  max-width: 40rem;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}

.quote-block--offset {
  margin-left: auto;
  border-left-color: var(--color-copper);
}

.quote-block__text {
  margin: 0 0 var(--space-sm);
  font-size: 1.08rem;
}

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

/* Page heroes */
.page-hero {
  position: relative;
  padding: var(--space-xl) 0 var(--space-lg);
}

.page-hero--image {
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  color: #f7f8f5;
  padding: 0;
}

.page-hero__media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(30, 42, 46, 0.88) 0%, rgba(30, 42, 46, 0.4) 100%);
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0 var(--space-xl);
}

.page-hero__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.01em;
}

.page-hero--plain .page-hero__brand {
  color: var(--color-accent-deep);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 var(--space-sm);
  max-width: 18ch;
}

.page-hero__lead {
  margin: 0;
  max-width: 36rem;
  opacity: 0.9;
}

.page-hero--plain .page-hero__lead {
  color: var(--color-muted);
  opacity: 1;
}

.page-body {
  padding: 0 0 var(--space-xl);
}

/* Prose / legal */
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin: var(--space-lg) 0 var(--space-sm);
}

.prose h3 {
  font-size: 1.1rem;
  margin: var(--space-md) 0 var(--space-xs);
}

.prose p,
.prose li {
  color: var(--color-ink);
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: var(--space-md) 0;
}

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

.prose th {
  background: rgba(107, 143, 113, 0.12);
}

/* Service grid on listing */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-tile {
  display: block;
  text-decoration: none;
  color: inherit;
}

.service-tile__img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
  margin-bottom: var(--space-sm);
  border-radius: var(--radius);
}

.service-tile__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 var(--space-xs);
}

.service-tile__summary {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.98rem;
}

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

/* Service detail */
.detail-meta {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0;
  border-block: 1px solid var(--color-line);
}

.detail-meta dt {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-copper-deep);
  margin: 0;
}

.detail-meta dd {
  margin: 0.2rem 0 0;
  color: var(--color-muted);
}

.process-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}

.process-steps li {
  position: relative;
  padding: var(--space-md) 0 var(--space-md) 3rem;
  border-bottom: 1px solid var(--color-line);
  counter-increment: step;
}

.process-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: var(--space-md);
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--color-accent-deep);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: var(--radius);
}

.process-steps strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}

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

.post-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-md);
  text-decoration: none;
  color: inherit;
  align-items: start;
}

.post-row__img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
}

.post-row__date {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0 0 var(--space-xs);
}

.post-row__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 var(--space-xs);
}

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

@media (max-width: 640px) {
  .post-row {
    grid-template-columns: 1fr;
  }
}

.post-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}

/* Pricing */
.rate-block {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.rate-block__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 var(--space-xs);
}

.rate-block__price {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-accent-deep);
  margin: 0 0 var(--space-sm);
}

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

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

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

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

.form__field textarea {
  min-height: 140px;
  resize: vertical;
}

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

.form__error {
  color: #9b2c2c;
  font-size: 0.88rem;
  margin: 0;
  display: none;
}

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

.form__field.is-invalid input,
.form__field.is-invalid select,
.form__field.is-invalid textarea {
  border-color: #9b2c2c;
}

.form__status {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  display: none;
}

.form__status.is-success {
  display: block;
  background: rgba(107, 143, 113, 0.2);
  color: var(--color-accent-deep);
}

.form__status.is-error {
  display: block;
  background: rgba(155, 44, 44, 0.12);
  color: #9b2c2c;
}

.contact-aside {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
}

.contact-aside p {
  margin: 0 0 var(--space-sm);
}

/* Field audit process page */
.timeline {
  display: grid;
  gap: 0;
  margin: var(--space-lg) 0;
}

.timeline__item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
}

.timeline__day {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent-deep);
}

@media (max-width: 560px) {
  .timeline__item {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
}

/* Footer */
.site-footer {
  background: var(--color-header);
  color: rgba(247, 248, 245, 0.85);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.site-footer a {
  color: rgba(247, 248, 245, 0.9);
  text-decoration: none;
}

.site-footer a:hover {
  color: #d4a574;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr;
  gap: var(--space-lg);
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 var(--space-xs);
}

.site-footer__tag {
  margin: 0;
  font-size: 0.92rem;
}

.site-footer__label {
  display: inline-block;
  min-width: 3.2rem;
  color: rgba(247, 248, 245, 0.55);
  font-size: 0.85rem;
}

.site-footer__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.site-footer__copy {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: rgba(247, 248, 245, 0.55);
}

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

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(44, 58, 63, 0.97);
  color: #f4f6f3;
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeUp 0.45s var(--ease);
}

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

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

.cookie-banner__text {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.92rem;
}

.cookie-banner__text a {
  color: #d4a574;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
}

.cookie-banner .btn--ghost {
  color: #f4f6f3;
  border-color: rgba(255, 255, 255, 0.35);
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  align-content: center;
  padding: var(--space-2xl) 0;
  text-align: center;
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  margin: 0 0 var(--space-sm);
}

/* Motion for reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .home-hero__bg {
    transform: none;
    animation: none;
  }
}