@font-face {
  font-family: Pretendard;
  src: url("./pretendard-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 86px; }
body { margin: 0; }

.av-landing {
  --av-ink: #152035;
  --av-muted: #505d6f;
  --av-line: #dce3ec;
  --av-blue: #2450bf;
  --av-blue-dark: #183b97;
  --av-wash: #f4f7fc;
  background: #fff;
  color: var(--av-ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.av-landing :is(h1, h2, h3, p, ul, ol, figure) { margin: 0; }
.av-landing a { color: inherit; text-decoration: none; }
.av-landing :is(button, input, select, textarea) { font: inherit; }
.av-landing :focus-visible { outline: 3px solid var(--av-blue); outline-offset: 4px; }
.av-wrap { width: min(1160px, calc(100% - 72px)); margin-inline: auto; }
.av-svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.av-icon {
  width: 1.2em;
  height: 1.2em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.av-skip {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  border: 1px solid var(--av-line);
  background: #fff;
  transform: translateY(-150%);
}
.av-skip:focus { transform: none; }

.av-header { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--av-line); }
.av-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; }
.av-brand { display: inline-flex; width: fit-content; align-items: center; gap: 9px; white-space: nowrap; font-size: 19px; font-weight: 830; letter-spacing: -.045em; }
.av-brand-mark {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  padding-right: 2px;
  border-radius: 8px;
  background: var(--av-blue);
  color: #fff;
  font-size: 21px;
  font-style: italic;
  line-height: 1;
}
.av-nav { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 34px); color: #404c5c; font-size: 14px; font-weight: 650; }
.av-nav a { display: inline-flex; min-height: 44px; align-items: center; white-space: nowrap; }
.av-nav a:hover, .av-footer a:hover { color: var(--av-blue); }
.av-mobile-menu { display: none; }

.av-button {
  display: inline-flex;
  min-height: 47px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 720;
  line-height: 1.35;
  text-align: center;
  cursor: pointer;
}
.av-landing .av-button-primary { border-color: var(--av-blue); background: var(--av-blue); color: #fff; }
.av-landing .av-button-primary:hover { border-color: var(--av-blue-dark); background: var(--av-blue-dark); }
.av-button-outline, .av-header-action { border-color: #bdc9e1; background: #fff; }
.av-landing .av-header-action { min-height: 40px; padding: 7px 12px; color: var(--av-blue-dark); font-size: 14px; }
.av-button-outline:hover, .av-header-action:hover { border-color: var(--av-blue); background: var(--av-wash); }

.av-hero { border-bottom: 1px solid var(--av-line); }
.av-hero-inner { padding-block: clamp(52px, 6.2vw, 90px); text-align: center; }
.av-hero-copy { width: min(100%, 860px); margin-inline: auto; }
.av-hero-label, .av-section-label { color: var(--av-blue-dark); font-size: 14px; font-weight: 720; }
.av-hero h1 {
  max-width: 880px;
  margin-block: 15px 19px;
  font-size: clamp(34px, 4.18vw, 62px);
  font-weight: 810;
  line-height: 1.13;
  letter-spacing: -.057em;
}
.av-hero h1 em { color: var(--av-blue); font-style: normal; }
.av-hero-lead { color: #2b374a; font-size: clamp(17px, 1.5vw, 21px); font-weight: 710; }
.av-hero .av-hero-description { max-width: 555px; margin: 6px auto 0; color: var(--av-muted); font-size: 17px; }
.av-hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin-top: 25px; }

.av-section { padding-block: clamp(58px, 6.3vw, 90px); }
.av-section h2 { font-size: clamp(29px, 3.1vw, 43px); font-weight: 800; line-height: 1.22; letter-spacing: -.046em; }
.av-section h3 { font-size: clamp(20px, 1.8vw, 25px); font-weight: 760; line-height: 1.28; letter-spacing: -.03em; }
.av-section .av-section-label { margin-bottom: 8px; }
.av-concerns { border-bottom: 1px solid var(--av-line); background: #f8fafd; }
.av-concerns .av-concern-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
  padding: 0;
  list-style: none;
}
.av-concern-card {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  align-content: start;
  gap: 12px;
  padding: 21px 22px;
  border: 1px solid var(--av-line);
  border-radius: 7px;
  background: #fff;
}
.av-concern-number { padding-top: 2px; color: var(--av-blue); font-size: 14px; font-weight: 740; font-variant-numeric: tabular-nums; }
.av-concern-card h3 { font-size: clamp(17px, 1.6vw, 22px); }
.av-concern-card p { margin-top: 7px; color: var(--av-muted); font-size: 15px; }
.av-concerns .av-concern-emphasis {
  margin-top: 25px;
  padding-left: 14px;
  border-left: 3px solid var(--av-blue);
  color: #374759;
  font-size: clamp(16px, 1.5vw, 19px);
}
.av-concern-emphasis strong { color: var(--av-ink); }

.av-projects { border-bottom: 1px solid var(--av-line); }
.av-project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 18px; margin-top: 26px; }
.av-project-card { overflow: hidden; border: 1px solid var(--av-line); border-radius: 8px; background: #fff; }
.av-project-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  border-bottom: 1px solid var(--av-line);
  background: var(--av-wash);
  object-fit: contain;
}
.av-project-copy { display: grid; align-content: center; justify-items: start; gap: 9px; padding: clamp(19px, 3vw, 37px); }
.av-project-copy p { color: var(--av-muted); }
.av-project-copy .av-project-category { color: var(--av-blue-dark); font-size: 13px; font-weight: 710; }
.av-project-grid-single .av-project-card { display: grid; grid-template-columns: minmax(0, 1.16fr) minmax(0, 1fr); align-items: center; }
.av-project-grid-single .av-project-image { align-self: stretch; height: 100%; border-right: 1px solid var(--av-line); border-bottom: 0; }

.av-service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 25px; border-block: 1px solid var(--av-line); }
.av-service-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(18px, 2.25vw, 29px);
}
.av-service-card + .av-service-card { border-left: 1px solid var(--av-line); }
.av-service-card:first-child { padding-left: 0; }
.av-service-card:last-child { padding-right: 0; }
.av-service-description { color: var(--av-muted); font-size: 15px; }
.av-detail-list { display: grid; gap: 4px; padding-left: 18px; color: #38465b; font-size: 15px; }
.av-detail-list li::marker { color: #5c6e8b; }
.av-service-bottom { display: flex; width: 100%; flex: 1; flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 5px; padding-top: 13px; border-top: 1px solid var(--av-line); }
.av-service-pricing { font-size: 17px; font-weight: 760; }
.av-service-note { color: var(--av-muted); font-size: 13px; }
.av-landing .av-service-link { display: inline-flex; min-height: 43px; align-items: center; gap: 6px; color: var(--av-blue-dark); font-size: 15px; font-weight: 740; }
.av-landing .av-service-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.av-service-bottom .av-service-link { margin-top: auto; }

.av-why { border-block: 1px solid var(--av-line); background: var(--av-wash); }
.av-why-grid, .av-faq-grid, .av-inquiry-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); align-items: start; gap: clamp(26px, 5vw, 66px); }
.av-why h2 { max-width: 600px; font-size: clamp(27px, 2.8vw, 39px); }
.av-why .av-why-description { margin-top: 12px; color: var(--av-muted); }
.av-why .av-service-link { margin-top: 5px; }
.av-reason-list { padding: 0; border-top: 1px solid #c6d2e4; list-style: none; }
.av-reason-list li { padding: 16px 0; border-bottom: 1px solid #c6d2e4; color: #2c3b52; font-weight: 700; }
.av-faq-grid { grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); }
.av-faq-list { border-top: 1px solid var(--av-line); }
.av-faq-list details { border-bottom: 1px solid var(--av-line); }
.av-faq-list summary {
  display: flex;
  min-height: 55px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 11px;
  color: #243349;
  font-weight: 710;
  list-style: none;
  cursor: pointer;
}
.av-faq-list summary::-webkit-details-marker { display: none; }
.av-faq-list summary:hover { color: var(--av-blue-dark); }
.av-faq-list details p { max-width: 650px; padding: 0 33px 15px 0; color: var(--av-muted); font-size: 15px; }
.av-faq-toggle { position: relative; display: grid; width: 20px; height: 20px; flex: none; place-items: center; color: var(--av-blue); }
.av-faq-toggle::before, .av-faq-toggle::after { position: absolute; width: 12px; height: 1.5px; background: currentColor; content: ""; }
.av-faq-toggle::after { transform: rotate(90deg); }
.av-faq-list [open] .av-faq-toggle::after { display: none; }

.av-inquiry { border-top: 1px solid var(--av-line); background: var(--av-wash); }
.av-inquiry-copy { padding-top: 5px; }
.av-inquiry-copy .av-section-heading { margin-bottom: 14px; }
.av-inquiry-copy > p { max-width: 380px; color: var(--av-muted); }
.av-landing .av-kakao { margin-top: 19px; border-color: #dccd72; background: #fff2a7; color: #292314; }
.av-landing .av-kakao:hover { background: #ffed83; }
.av-form-panel { min-width: 0; padding: clamp(17px, 2.6vw, 34px); border: 1px solid #d6dfeb; border-radius: 8px; background: #fff; }
.av-form { display: grid; gap: 15px; }
.av-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.av-field { display: grid; align-content: start; gap: 5px; min-width: 0; }
.av-field > label { color: #24334a; font-size: 14px; font-weight: 730; }
.av-field > label span { color: var(--av-blue); }
.av-field :is(select, input, textarea) {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 45px;
  padding: 10px 12px;
  border: 1px solid #c9d3e1;
  border-radius: 6px;
  background: #fff;
  color: var(--av-ink);
  font-size: 16px;
  line-height: 1.4;
}
.av-field select { padding-right: 22px; }
.av-field :is(input, textarea)::placeholder { color: #697587; }
.av-field textarea { min-height: 104px; resize: vertical; }
.av-field [aria-invalid=true] { border-color: #b43a42; }
.av-consent { display: grid; gap: 4px; }
.av-consent label { display: flex; min-height: 29px; align-items: flex-start; gap: 8px; color: #29364b; font-size: 14px; font-weight: 670; cursor: pointer; }
.av-consent label strong { font-size: 13px; }
.av-consent input { width: 17px; height: 17px; flex: none; margin: 2px 0 0; accent-color: var(--av-blue); }
.av-consent p { color: var(--av-muted); font-size: 12px; }
.av-consent p a { color: var(--av-blue-dark); font-weight: 720; text-decoration: underline; text-underline-offset: 2px; }
.av-form-submit { width: 100%; }
.av-honeypot { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.av-form-notice { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 15px; padding: 10px 12px; border: 1px solid; border-radius: 6px; font-size: 14px; font-weight: 690; }
.av-form-notice .av-icon { margin-top: 2px; }
.av-form-success { border-color: #acd9c0; background: #effbf3; color: #23613c; }
.av-form-error { border-color: #efc0c6; background: #fff4f5; color: #9c2333; }
.av-landing .av-field-error { color: #a72937; font-size: 13px; font-weight: 640; }

.av-footer { padding-block: 29px 19px; border-top: 1px solid var(--av-line); }
.av-footer-top { display: flex; justify-content: space-between; gap: 22px; padding-bottom: 18px; }
.av-footer-top p { margin-top: 6px; color: var(--av-muted); font-size: 14px; }
.av-footer-contact { display: grid; align-content: start; justify-items: end; color: #35445d; font-size: 14px; }
.av-footer-contact > span { color: var(--av-muted); font-size: 12px; }
.av-footer-contact a, .av-footer-bottom a { display: inline-flex; min-height: 34px; align-items: center; gap: 5px; }
.av-footer-contact a { font-weight: 670; }
.av-footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px 22px; padding-top: 12px; border-top: 1px solid var(--av-line); color: var(--av-muted); font-size: 13px; }
.av-footer-bottom nav { display: flex; flex-wrap: wrap; gap: 3px 17px; }
.av-mobile-apply { display: none; }

@media (max-width: 940px) {
  .av-wrap { width: calc(100% - 48px); }
  .av-hero h1 { font-size: clamp(33px, 4.5vw, 43px); }
  .av-service-grid { gap: 11px; }
  .av-service-card { padding: 16px; }
  .av-project-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 215px), 1fr)); }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 16px; }
  .av-landing { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
  .av-wrap { width: calc(100% - 36px); }
  .av-header { position: relative; }
  .av-header-inner { min-height: 60px; gap: 12px; }
  .av-brand { font-size: 18px; }
  .av-brand-mark { width: 29px; height: 29px; font-size: 20px; }
  .av-nav, .av-header-action { display: none; }
  .av-mobile-menu { position: relative; display: block; }
  .av-mobile-menu summary { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid var(--av-line); border-radius: 7px; font-size: 21px; list-style: none; cursor: pointer; }
  .av-mobile-menu summary::-webkit-details-marker { display: none; }
  .av-mobile-menu nav { position: absolute; top: calc(100% + 6px); right: 0; width: 200px; padding: 6px; border: 1px solid var(--av-line); border-radius: 8px; background: #fff; }
  .av-mobile-menu nav a { display: flex; min-height: 44px; align-items: center; padding-inline: 10px; border-radius: 5px; font-size: 15px; font-weight: 660; }
  .av-mobile-menu nav a:hover { background: var(--av-wash); }
  .av-hero-inner { padding-block: 35px 32px; text-align: left; }
  .av-hero-actions { justify-content: flex-start; }
  .av-hero-label { font-size: 12px; }
  .av-hero h1 { margin-block: 11px 13px; font-size: clamp(29px, 7.85vw, 47px); }
  .av-hero .av-hero-description { font-size: 15px; }
  .av-hero-actions { margin-top: 18px; }
  .av-hero-actions .av-button { min-height: 44px; gap: 5px; padding-inline: 10px; font-size: 14px; }
  .av-section { padding-block: 45px; }
  .av-section h2 { font-size: clamp(27px, 6.7vw, 35px); }
  .av-section h3 { font-size: 21px; }
  .av-concerns .av-concern-grid,
  .av-project-grid,
  .av-project-grid-single .av-project-card,
  .av-service-grid,
  .av-why-grid,
  .av-faq-grid,
  .av-inquiry-grid { grid-template-columns: minmax(0, 1fr); }
  .av-concerns .av-concern-grid { gap: 8px; margin-top: 17px; }
  .av-concern-card { gap: 6px; padding: 14px; }
  .av-concern-card h3 { font-size: 17px; }
  .av-concern-card p { margin-top: 4px; }
  .av-concerns .av-concern-emphasis { margin-top: 18px; }
  .av-project-grid { gap: 11px; margin-top: 17px; }
  .av-service-grid { margin-top: 17px; }
  .av-project-grid-single .av-project-image { height: auto; border-right: 0; border-bottom: 1px solid var(--av-line); }
  .av-project-copy { padding: 17px; }
  .av-service-card { gap: 9px; padding: 17px 0; }
  .av-service-card + .av-service-card { border-top: 1px solid var(--av-line); border-left: 0; }
  .av-service-bottom { gap: 6px; padding-top: 10px; }
  .av-why-grid, .av-faq-grid, .av-inquiry-grid { gap: 18px; }
  .av-reason-list li { padding-block: 11px; }
  .av-inquiry-copy { padding-top: 0; }
  .av-inquiry-copy .av-section-heading { margin-bottom: 9px; }
  .av-landing .av-kakao { min-height: 44px; margin-top: 12px; }
  .av-form :is(input, textarea, select, button) { scroll-margin-bottom: 85px; }
  .av-footer-top { flex-direction: column; gap: 11px; }
  .av-footer-contact { justify-items: start; }
  .av-footer-bottom { align-items: flex-start; flex-direction: column-reverse; gap: 3px; }
  .av-mobile-apply {
    position: fixed;
    z-index: 9;
    inset: auto 0 0;
    display: block;
    padding: 9px 18px calc(9px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--av-line);
    background: #fff;
  }
  .av-mobile-apply .av-button { width: 100%; min-height: 47px; }
}

@media (max-width: 410px) {
  .av-form-row { grid-template-columns: minmax(0, 1fr); }
}