:root {
  --ink: #16201d;
  --muted: #5c6863;
  --paper: #ffffff;
  --soft: #f3f6f4;
  --line: #dbe4df;
  --green: #164735;
  --green-2: #23684b;
  --amber: #e5ad3e;
  --blue: #2c6f9d;
  --rust: #a85e2f;
  --shadow: 0 22px 55px rgba(20, 36, 30, 0.16);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans KR", "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  letter-spacing: 0;
  line-height: 1.65;
  word-break: keep-all;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding: 12px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 28px rgba(23, 32, 29, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
  color: #2d3935;
  font-weight: 700;
  font-size: 0.95rem;
}

.nav-links a,
.header-cta {
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.nav-links a:hover {
  color: var(--green-2);
}

.header-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--green);
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-weight: 800;
}

.header-cta:hover,
.button-primary:hover {
  background: #0f3528;
}

.hero {
  position: relative;
  min-height: 78svh;
  overflow: hidden;
  display: flex;
  align-items: center;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -2;
  object-fit: cover;
  object-position: center right;
  animation: hero-breath 18s ease-in-out infinite alternate;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(12, 26, 22, 0.86) 0%, rgba(12, 26, 22, 0.62) 48%, rgba(12, 26, 22, 0.18) 100%),
    rgba(0, 0, 0, 0.08);
}

.hero-content {
  padding: 72px 0 64px;
  color: #fff;
}

.hero-content > * {
  animation: rise-in 620ms ease both;
}

.hero-content > *:nth-child(2) {
  animation-delay: 70ms;
}

.hero-content > *:nth-child(3) {
  animation-delay: 140ms;
}

.hero-content > *:nth-child(4) {
  animation-delay: 210ms;
}

.hero-content > *:nth-child(5) {
  animation-delay: 280ms;
}

.hero .eyebrow {
  text-transform: none;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-weight: 900;
  text-transform: uppercase;
  font-size: 0.86rem;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-family: "Black Han Sans", "Noto Sans KR", sans-serif;
  font-size: 5rem;
  line-height: 1.02;
  font-weight: 400;
}

.hero-lede {
  max-width: 720px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.93);
  font-size: 1.32rem;
  line-height: 1.65;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}

.button-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.64);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

.button-secondary-dark {
  color: #fff;
  background: #203145;
  border-color: #203145;
}

.button-secondary-dark:hover {
  background: #162436;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 42px 0 0;
  padding: 0;
}

.hero-facts div {
  min-width: 180px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-facts dt,
.hero-facts dd {
  margin: 0;
}

.hero-facts dt {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-facts dd {
  margin-top: 2px;
  color: #fff;
  font-weight: 900;
}

.notice-strip {
  background: var(--amber);
}

.notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 82px;
  color: #21170a;
}

.notice-inner strong {
  font-size: 1.05rem;
}

.notice-inner span {
  color: rgba(33, 23, 10, 0.78);
  font-weight: 700;
}

.section {
  padding: 96px 0;
}

.section-muted {
  background: var(--soft);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.section-heading h2,
.split-copy h2,
.seo-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: 2.65rem;
  line-height: 1.2;
  font-weight: 900;
}

.section-heading p:not(.eyebrow),
.split-copy p,
.seo-copy p,
.contact-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-card {
  min-height: 360px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(21, 42, 34, 0.08);
}

.service-card:nth-child(2) {
  border-top: 4px solid var(--blue);
}

.service-card:nth-child(3) {
  border-top: 4px solid var(--rust);
}

.service-card:nth-child(4) {
  border-top: 4px solid var(--amber);
}

.card-label {
  color: var(--green-2);
  font-weight: 900;
  font-size: 0.88rem;
}

.service-card h3 {
  margin: 14px 0 10px;
  font-size: 1.22rem;
  line-height: 1.35;
}

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

.service-card ul {
  display: grid;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 18px;
  color: #2c3934;
  font-weight: 750;
}

.service-card li::before {
  content: "";
  position: absolute;
  top: 0.74em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-2);
}

.split-section {
  padding: 92px 0;
  background: #17231f;
  color: #fff;
}

.split-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 48px;
}

.split-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.proof-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.proof-list span {
  display: block;
  padding: 12px 14px;
  border-left: 4px solid var(--amber);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 850;
}

.work-photo {
  margin: 0;
}

.work-photo img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.work-photo figcaption {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: 300px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.process-list span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-weight: 900;
}

.process-list h3 {
  margin: 0 0 8px;
  font-size: 1.16rem;
}

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

.region-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.region-grid span {
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  color: #20302a;
  font-weight: 850;
}

.seo-band {
  padding: 74px 0;
  color: #fff;
  background: #203145;
}

.seo-copy {
  max-width: 920px;
}

.seo-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  color: #1e2c27;
  font-weight: 900;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.contact-section {
  padding: 98px 0;
  background: #f7f8f5;
}

.contact-inner {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 46px;
  align-items: start;
}

.contact-points {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-points span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 850;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(24, 44, 37, 0.1);
}

.contact-panel {
  display: grid;
  gap: 16px;
}

.contact-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(24, 44, 37, 0.1);
}

.contact-card-primary {
  border-top: 5px solid var(--green);
}

.contact-card h3 {
  margin: 8px 0 8px;
  font-size: 2rem;
  line-height: 1.2;
}

.contact-card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.contact-card .button {
  width: 100%;
}

.contact-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #24342f;
}

.contact-note strong {
  color: var(--green);
}

.contact-note span {
  color: var(--muted);
  font-weight: 750;
}

label {
  display: grid;
  gap: 8px;
  color: #22302b;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cfd9d3;
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(44, 111, 157, 0.2);
  border-color: var(--blue);
}

.form-wide {
  grid-column: 1 / -1;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-weight: 850;
}

.output-message {
  min-height: 150px;
  background: #f8fbf9;
}

.site-footer {
  padding: 36px 0 92px;
  color: #dfe9e4;
  background: #101815;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.site-footer strong {
  color: #fff;
  font-size: 1.05rem;
}

.site-footer p,
.footer-meta {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.footer-meta {
  display: grid;
  gap: 4px;
  text-align: right;
}

.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 30;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: min(420px, calc(100% - 24px));
  transform: translate(-50%, 10px);
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  background: rgba(16, 24, 21, 0.92);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.sticky-cta.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-cta a {
  display: grid;
  place-items: center;
  min-height: 48px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-weight: 900;
}

.sticky-cta a + a {
  color: #1f1608;
  background: var(--amber);
}

.mobile-only {
  display: none;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .hero-lede {
    font-size: 1.16rem;
  }

  .service-grid,
  .process-list,
  .region-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 680px) {
  body {
    line-height: 1.6;
  }

  .container {
    width: calc(100% - 28px);
    max-width: 1120px;
  }

  .site-header {
    min-height: 66px;
    padding: 10px 14px;
  }

  .brand {
    min-width: auto;
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    font-size: 0.88rem;
  }

  .brand strong {
    font-size: 1rem;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 72svh;
    align-items: end;
  }

  .hero-image {
    object-position: center;
  }

  .hero-shade {
    background: rgba(12, 26, 22, 0.66);
  }

  .hero-content {
    padding: 52px 0 42px;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .hero-lede {
    max-width: 100%;
    font-size: 1.04rem;
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .mobile-only {
    display: block;
  }

  .button {
    width: 100%;
    min-height: 50px;
  }

  .hero-facts {
    display: none;
  }

  .notice-inner {
    display: block;
    padding: 18px 0;
  }

  .notice-inner span {
    display: block;
    margin-top: 6px;
  }

  .notice-inner strong,
  .notice-inner span,
  .section-heading p,
  .seo-copy p,
  .contact-copy p {
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .section,
  .split-section,
  .contact-section {
    padding: 68px 0;
  }

  .section-heading h2,
  .split-copy h2,
  .seo-copy h2,
  .contact-copy h2 {
    font-size: 2.05rem;
  }

  .service-grid,
  .process-list,
  .region-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-card,
  .process-list li {
    min-height: auto;
  }

  .contact-form {
    padding: 18px;
  }

  .contact-card {
    padding: 20px;
  }

  .contact-card h3 {
    font-size: 1.55rem;
  }

  .contact-note {
    display: grid;
  }

  .footer-inner {
    display: grid;
  }

  .footer-meta {
    text-align: left;
  }

  .sticky-cta {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@keyframes rise-in {
  from {
    transform: translateY(14px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes hero-breath {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.035);
  }
}
