:root {
  --ink: #10241f;
  --ink-soft: #3f534d;
  --paper: #f5f3ed;
  --paper-deep: #eae8df;
  --white: #ffffff;
  --line: #d8ddd7;
  --green: #0b2f28;
  --green-mid: #174d40;
  --mint: #b9e2cc;
  --mint-light: #e1f1e8;
  --signal: #d8ff62;
  --orange: #ef9c3f;
  --shadow: 0 24px 70px rgba(12, 42, 35, 0.12);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: 8px;
  background: var(--signal);
  padding: 10px 14px;
  color: var(--green);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(216, 221, 215, 0.78);
  background: rgba(245, 243, 237, 0.92);
  backdrop-filter: blur(18px);
}
.nav {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--signal);
  font-size: 11px;
  letter-spacing: -0.03em;
}
.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 30px;
}
.desktop-nav a {
  position: relative;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
}
.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--green);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); }
.nav-call {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 999px;
  background: var(--green);
  padding: 9px 16px 9px 18px;
  color: var(--white);
  text-decoration: none;
}
.nav-call span { color: var(--mint); font-size: 12px; }
.nav-call strong { font-size: 14px; letter-spacing: 0.02em; }

.marketing-hero {
  overflow: hidden;
  padding: 74px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.88fr);
  align-items: center;
  gap: clamp(48px, 8vw, 100px);
}
.eyebrow {
  margin: 0 0 17px;
  color: var(--green-mid);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow-light { color: var(--signal); }
.hero-content h1 {
  margin: 0;
  font-size: clamp(46px, 6.2vw, 80px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}
.hero-content h1 em {
  color: var(--green-mid);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
}
.hero-lead {
  max-width: 610px;
  margin: 27px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.8;
}
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-actions { margin-top: 32px; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--green);
  border-radius: 999px;
  padding: 0 24px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 850;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: var(--white); box-shadow: 0 12px 26px rgba(11, 47, 40, 0.16); }
.button-primary:hover { box-shadow: 0 16px 34px rgba(11, 47, 40, 0.24); }
.button-secondary { background: transparent; color: var(--green); }
.button-secondary:hover { background: var(--mint-light); }
.contact-hint { margin: 14px 0 0; color: #75837e; font-size: 13px; }
.hero-visual {
  position: relative;
  min-height: 570px;
}
.hero-visual::before {
  position: absolute;
  inset: 7% -18% 5% 10%;
  border-radius: 48% 52% 44% 56%;
  background: var(--mint);
  content: "";
  transform: rotate(-5deg);
}
.hero-photo {
  position: absolute;
  overflow: hidden;
  border: 7px solid var(--paper);
  background: var(--paper-deep);
  box-shadow: var(--shadow);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.hero-photo-main {
  inset: 0 8% 7% 5%;
  border-radius: 190px 190px 34px 34px;
}
.hero-photo-main img { object-position: center 54%; }
.hero-photo-small {
  right: -2%;
  bottom: -2%;
  width: 44%;
  aspect-ratio: 4 / 5;
  border-radius: 28px;
}
.hero-stamp {
  position: absolute;
  top: 8%;
  right: -2%;
  display: grid;
  width: 118px;
  height: 118px;
  place-content: center;
  border-radius: 50%;
  background: var(--signal);
  color: var(--green);
  text-align: center;
  transform: rotate(8deg);
}
.hero-stamp strong { font-size: 12px; letter-spacing: 0.13em; }
.hero-stamp span { margin-top: 2px; font-size: 11px; }
.hero-placeholder {
  display: grid;
  place-content: center;
  border-radius: 42px;
  background: var(--green);
  color: var(--white);
  text-align: center;
}
.hero-placeholder span { color: var(--signal); font-size: 13px; letter-spacing: 0.14em; }
.hero-placeholder strong { margin-top: 12px; font-size: 30px; }

.proof-strip { border-block: 1px solid var(--line); background: rgba(255, 255, 255, 0.46); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid div { padding: 23px 30px; border-right: 1px solid var(--line); }
.proof-grid div:first-child { padding-left: 0; }
.proof-grid div:last-child { border-right: 0; }
.proof-grid strong, .proof-grid span { display: block; }
.proof-grid strong { font-size: 17px; }
.proof-grid span { margin-top: 3px; color: var(--ink-soft); font-size: 12px; }

.section { padding: 118px 0; }
.section-intro { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.55fr); gap: 60px; align-items: end; }
.section-intro .eyebrow { grid-column: 1 / -1; margin-bottom: -40px; }
.section-intro h2, .section-heading-row h2, .faq-grid h2, .trust-grid h2, .contact-panel h2, .case-contact-panel h2 {
  margin: 0;
  font-size: clamp(36px, 4.8vw, 60px);
  line-height: 1.13;
  letter-spacing: -0.045em;
}
.section-intro > p:last-child { margin: 0; color: var(--ink-soft); font-size: 17px; line-height: 1.85; }
.service-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 18px; margin-top: 58px; }
.service-card {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  padding: 30px;
}
.service-card-featured { background: var(--mint-light); }
.service-number { display: block; color: var(--green-mid); font-size: 12px; font-weight: 900; letter-spacing: 0.12em; }
.service-card h3 { margin: 82px 0 13px; font-size: 25px; letter-spacing: -0.025em; }
.service-card p { margin: 0; color: var(--ink-soft); }
.service-card a { display: inline-block; margin-top: 22px; color: var(--green); font-weight: 800; text-decoration: none; }

.trust-section { background: var(--green); color: var(--white); }
.trust-grid { display: grid; grid-template-columns: 0.82fr 1fr; gap: 100px; }
.trust-list { border-top: 1px solid rgba(255, 255, 255, 0.2); }
.trust-list article { display: grid; grid-template-columns: 50px 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.trust-list article > span { color: var(--signal); font-size: 12px; font-weight: 900; }
.trust-list h3 { margin: 0 0 7px; font-size: 20px; }
.trust-list p { margin: 0; color: rgba(255, 255, 255, 0.68); }

.section-intro.compact { display: block; }
.section-intro.compact .eyebrow { margin-bottom: 17px; }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 54px 0 0; padding: 0; list-style: none; counter-reset: step; }
.process-grid li { border-top: 2px solid var(--green); padding: 24px 8px 4px 0; }
.process-grid li > span { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; background: var(--green); color: var(--signal); font-size: 13px; font-weight: 900; }
.process-grid h3 { margin: 48px 0 10px; font-size: 23px; }
.process-grid p { margin: 0; color: var(--ink-soft); }

.cases-section { background: var(--paper-deep); }
.section-heading-row { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 45px; }
.section-heading-row > p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.case-card { overflow: hidden; border-radius: var(--radius); background: var(--white); box-shadow: 0 18px 55px rgba(24, 53, 45, 0.08); }
.case-card-link { display: grid; grid-template-columns: 1.05fr 0.95fr; min-height: 390px; text-decoration: none; }
.case-card-media { overflow: hidden; background: var(--mint-light); }
.case-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms cubic-bezier(.2,.7,.2,1); }
.case-card-link:hover .case-card-media img { transform: scale(1.035); }
.case-card-body { display: flex; flex-direction: column; padding: 28px; }
.case-card-meta { display: flex; flex-wrap: wrap; gap: 7px; }
.case-card-meta span { border-radius: 999px; background: var(--mint-light); padding: 5px 10px; color: var(--green-mid); font-size: 11px; font-weight: 800; }
.case-date { margin: auto 0 7px; color: var(--ink-soft); font-size: 12px; }
.case-card h3 { margin: 0; font-size: 24px; line-height: 1.25; letter-spacing: -0.03em; }
.case-link-text { margin: 19px 0 0; color: var(--green-mid); font-size: 13px; font-weight: 800; }
.empty { padding: 46px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); color: var(--ink-soft); }

.faq-grid { display: grid; grid-template-columns: 0.7fr 1fr; gap: 100px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 45px 24px 0; cursor: pointer; font-size: 18px; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 22px; right: 6px; content: "+"; color: var(--green-mid); font-size: 24px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -4px 0 25px; color: var(--ink-soft); }

.contact-section { padding: 0 0 110px; }
.contact-panel { display: grid; grid-template-columns: 1fr 0.7fr; gap: 70px; align-items: center; border-radius: 40px; background: var(--green); padding: 64px; color: var(--white); }
.contact-panel > div:first-child > p:last-child, .case-contact-panel > div > p:last-child { margin: 20px 0 0; color: rgba(255, 255, 255, 0.68); }
.contact-card { border-radius: 26px; background: var(--white); padding: 34px; color: var(--green); }
.contact-card > span { display: block; color: var(--ink-soft); font-size: 12px; font-weight: 800; }
.contact-card > a { display: block; margin-top: 7px; text-decoration: none; font-size: clamp(25px, 3vw, 38px); font-weight: 900; letter-spacing: -0.035em; }
.contact-panel-actions { margin-top: 26px; }
.contact-panel-actions .button { flex: 1; }
.contact-panel-actions .button-secondary { border-color: var(--line); }

.case-hero { padding: 70px 0 62px; }
.case-hero-grid { display: grid; grid-template-columns: 0.95fr 0.72fr; align-items: center; gap: 80px; }
.case-hero-copy h1 { margin: 0; font-size: clamp(42px, 6vw, 74px); line-height: 1.06; letter-spacing: -0.055em; }
.case-intro { max-width: 690px; margin: 23px 0 0; color: var(--ink-soft); font-size: 18px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 23px; }
.case-meta span { border: 1px solid var(--line); border-radius: 999px; background: var(--white); padding: 7px 12px; font-size: 12px; font-weight: 750; }
.case-actions { margin-top: 28px; }
.case-cover { position: relative; overflow: hidden; aspect-ratio: 4 / 5; border-radius: 180px 180px 28px 28px; background: var(--mint-light); box-shadow: var(--shadow); }
.case-cover img { width: 100%; height: 100%; object-fit: cover; }
.case-cover span { position: absolute; right: 18px; bottom: 18px; border-radius: 999px; background: var(--signal); padding: 7px 12px; color: var(--green); font-size: 11px; font-weight: 900; }
.case-nav { border-block: 1px solid var(--line); background: rgba(255, 255, 255, 0.4); }
.case-nav .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 30px; }
.case-nav a { color: var(--green-mid); font-size: 13px; font-weight: 850; text-decoration: none; }
.case-nav p { margin: 0; color: var(--ink-soft); font-size: 12px; }
.story { padding: 78px 0 36px; }
.story-wrap { max-width: 980px; }
.story-section { display: grid; grid-template-columns: 110px 210px 1fr; gap: 34px; padding: 42px 0; border-top: 1px solid var(--line); }
.story-kicker { padding-top: 6px; color: var(--green-mid); font-size: 10px; font-weight: 900; letter-spacing: 0.13em; }
.story-section h2 { margin: 0; font-size: 25px; letter-spacing: -0.03em; }
.story-section p { margin: 0 0 13px; color: var(--ink-soft); font-size: 17px; }
.gallery-section { padding-top: 60px; background: var(--paper-deep); }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.gallery figure { overflow: hidden; margin: 0; border-radius: 24px; background: var(--white); box-shadow: 0 14px 42px rgba(24, 53, 45, 0.08); }
.gallery-image { position: relative; overflow: hidden; aspect-ratio: 4 / 3; background: var(--mint-light); }
.gallery img { width: 100%; height: 100%; object-fit: cover; }
.gallery-badge { position: absolute; top: 14px; left: 14px; border-radius: 999px; background: rgba(11, 47, 40, 0.9); padding: 6px 10px; color: var(--white); font-size: 11px; font-weight: 850; backdrop-filter: blur(8px); }
.gallery figcaption { padding: 17px 19px 20px; color: var(--ink-soft); font-size: 14px; }
.case-contact { padding: 86px 0; background: var(--paper-deep); }
.case-contact-panel { display: flex; align-items: center; justify-content: space-between; gap: 50px; border-radius: 34px; background: var(--green); padding: 50px; color: var(--white); }
.case-contact-panel h2 { font-size: clamp(30px, 4vw, 48px); }
.case-bottom-actions { flex: 0 0 auto; }
.case-bottom-actions .button-primary { background: var(--signal); color: var(--green); }
.case-bottom-actions .button-secondary { border-color: rgba(255, 255, 255, 0.52); color: var(--white); }

.not-found { min-height: 66vh; display: grid; align-items: center; padding: 90px 0; }
.not-found h1 { margin: 0; font-size: clamp(40px, 7vw, 74px); letter-spacing: -0.05em; }
.not-found p:not(.eyebrow) { margin: 20px 0 30px; color: var(--ink-soft); }
.site-footer { border-top: 1px solid var(--line); padding: 58px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.7fr 0.7fr; gap: 50px; }
.footer-brand { text-decoration: none; font-size: 18px; font-weight: 900; letter-spacing: 0.12em; }
.footer-grid p { margin: 9px 0 0; color: var(--ink-soft); font-size: 13px; }
.footer-grid a { text-decoration: none; }
.footer-label { color: var(--green) !important; font-size: 11px !important; font-weight: 900; letter-spacing: 0.09em; text-transform: uppercase; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; border-top: 1px solid var(--line); padding-top: 22px; color: #7a8782; font-size: 11px; }
.footer-bottom p { margin: 0; }
.mobile-contact { display: none; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .nav { grid-template-columns: 1fr auto; }
  .hero-grid { grid-template-columns: 1fr 0.82fr; gap: 36px; }
  .hero-visual { min-height: 490px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid div:nth-child(2) { border-right: 0; }
  .proof-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-intro, .trust-grid, .faq-grid { gap: 55px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .service-card h3 { margin-top: 46px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-hero-grid { gap: 50px; }
  .story-section { grid-template-columns: 90px 180px 1fr; gap: 24px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 70px; }
  body { padding-bottom: 70px; }
  .wrap { width: min(100% - 28px, 600px); }
  .site-header { position: relative; }
  .nav { min-height: 70px; }
  .brand-mark { width: 32px; height: 32px; }
  .nav-call { padding: 8px 12px; }
  .nav-call span { display: none; }
  .nav-call strong { font-size: 12px; }
  .marketing-hero { padding: 54px 0 46px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: clamp(44px, 14vw, 62px); }
  .hero-lead { font-size: 16px; }
  .hero-visual { min-height: 460px; margin-top: 6px; }
  .hero-photo-main { inset: 0 4% 8% 0; border-radius: 150px 150px 28px 28px; }
  .hero-photo-small { right: -2%; width: 42%; }
  .hero-stamp { top: 4%; right: -1%; width: 98px; height: 98px; }
  .proof-grid div { padding: 18px 14px; }
  .proof-grid div:first-child { padding-left: 14px; }
  .proof-grid strong { font-size: 14px; }
  .section { padding: 84px 0; }
  .section-intro, .trust-grid, .faq-grid, .contact-panel, .case-hero-grid { grid-template-columns: 1fr; }
  .section-intro { gap: 20px; }
  .section-intro .eyebrow { grid-column: auto; margin-bottom: -4px; }
  .section-intro h2, .section-heading-row h2, .faq-grid h2, .trust-grid h2, .contact-panel h2 { font-size: 38px; }
  .service-grid { margin-top: 42px; }
  .service-card { padding: 25px; }
  .trust-grid { gap: 50px; }
  .process-grid { grid-template-columns: 1fr; gap: 34px; }
  .process-grid h3 { margin-top: 24px; }
  .section-heading-row { display: block; }
  .section-heading-row > p { margin-top: 15px; }
  .case-card-link { grid-template-columns: 1fr; }
  .case-card-media { aspect-ratio: 4 / 3; }
  .case-card-body { min-height: 235px; }
  .faq-grid { gap: 42px; }
  .contact-section { padding-bottom: 70px; }
  .contact-panel { gap: 40px; border-radius: 28px; padding: 36px 24px; }
  .contact-card { padding: 26px 21px; }
  .contact-panel-actions .button { min-width: 100%; }
  .case-hero { padding-top: 52px; }
  .case-hero-grid { gap: 44px; }
  .case-cover { max-height: 560px; }
  .case-nav .wrap { align-items: flex-start; flex-direction: column; justify-content: center; gap: 3px; padding-block: 13px; }
  .story { padding-top: 50px; }
  .story-section { grid-template-columns: 1fr; gap: 9px; padding: 30px 0; }
  .story-kicker { padding-top: 0; }
  .gallery { grid-template-columns: 1fr; }
  .case-contact-panel { align-items: flex-start; flex-direction: column; padding: 34px 24px; }
  .case-bottom-actions { width: 100%; }
  .case-bottom-actions .button { flex: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .footer-bottom { display: block; }
  .footer-bottom p + p { margin-top: 6px; }
  .mobile-contact {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background: var(--green);
    padding: 8px max(10px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }
  .mobile-contact a { display: grid; min-height: 50px; place-items: center; border-radius: 12px; color: var(--white); text-decoration: none; font-weight: 850; }
  .mobile-contact a:first-child { background: var(--signal); color: var(--green); }
}

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