/* ============================================================
   대성 | 필름 슬리팅 — 스타일시트
   ============================================================ */

/* ---------- 1. 변수 & 리셋 ---------- */
:root {
  --navy-900: #0d1b2a;
  --navy-800: #14263a;
  --navy-700: #1b3350;
  --navy-600: #234570;
  --blue-500: #1d6fe0;
  --blue-400: #3d8bf5;
  --blue-050: #eef4fd;

  --gray-900: #14181d;
  --gray-700: #3f4750;
  --gray-500: #6b747e;
  --gray-400: #9aa2ab;
  --gray-300: #d3d8dd;
  --gray-200: #e6e9ec;
  --gray-100: #f2f4f6;
  --gray-050: #f8f9fa;
  --white: #ffffff;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(13, 27, 42, .08);
  --shadow: 0 4px 20px rgba(13, 27, 42, .08);
  --shadow-lg: 0 16px 48px rgba(13, 27, 42, .12);

  --header-h: 72px;
  --container: 1180px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
               "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--gray-900);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -.02em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s var(--ease);
}

button { font: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px; left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--navy-900);
  color: var(--white);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 3px solid var(--blue-400);
  outline-offset: 2px;
}


/* ---------- 2. 버튼 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  white-space: nowrap;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .15s var(--ease),
              box-shadow .2s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--blue-500);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(29, 111, 224, .25);
}
.btn--primary:hover {
  background: #1560c9;
  box-shadow: 0 6px 20px rgba(29, 111, 224, .35);
}

.btn--outline {
  border-color: var(--gray-300);
  background: var(--white);
  color: var(--gray-900);
}
.btn--outline:hover {
  border-color: var(--blue-500);
  color: var(--blue-500);
  background: var(--blue-050);
}

.btn--ghost {
  border-color: rgba(255, 255, 255, .35);
  color: var(--white);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .7);
}

.btn--sm  { padding: 9px 18px; font-size: 14px; }
.btn--lg  { padding: 16px 34px; font-size: 16px; }
.btn--block { display: flex; width: 100%; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--tel { font-variant-numeric: tabular-nums; letter-spacing: .01em; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue-500);
  font-weight: 600;
  font-size: 15px;
}
.link-arrow span { transition: transform .2s var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }


/* ---------- 3. 헤더 ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}
.header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo { display: flex; align-items: center; gap: 11px; }

.logo__mark {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue-500), var(--navy-700));
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
  line-height: 1.15;
  transition: color .3s var(--ease);
}
.logo__text em {
  font-style: normal;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .06em;
  opacity: .7;
}
.header.is-scrolled .logo__text { color: var(--gray-900); }

.nav { display: flex; align-items: center; gap: 34px; }
.nav__actions { display: flex; align-items: center; gap: 16px; }

.nav__tel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15.5px;
  font-weight: 700;
  color: rgba(255, 255, 255, .92);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.nav__tel svg { width: 16px; height: 16px; flex: none; }
.nav__tel:hover { color: var(--blue-400); }
.header.is-scrolled .nav__tel { color: var(--gray-900); }
.header.is-scrolled .nav__tel:hover { color: var(--blue-500); }

.nav__list { display: flex; align-items: center; gap: 30px; }
.nav__list a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, .85);
  transition: color .3s var(--ease);
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--blue-400);
  transition: width .25s var(--ease);
}
.nav__list a:hover::after,
.nav__list a.is-active::after { width: 100%; }

.header.is-scrolled .nav__list a { color: var(--gray-700); }
.header.is-scrolled .nav__list a:hover,
.header.is-scrolled .nav__list a.is-active { color: var(--blue-500); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  background: none;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  margin-inline: auto;
  border-radius: 2px;
  background: var(--white);
  transition: transform .3s var(--ease), opacity .2s var(--ease), background-color .3s var(--ease);
}
.header.is-scrolled .nav-toggle span { background: var(--gray-900); }

.nav-toggle[aria-expanded="true"] span { background: var(--gray-900); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ---------- 4. 히어로 ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  padding: calc(var(--header-h) + 80px) 0 90px;
  overflow: hidden;
  background: var(--navy-900);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 78% 20%, rgba(29, 111, 224, .38), transparent 62%),
    radial-gradient(700px 460px at 12% 82%, rgba(35, 69, 112, .55), transparent 60%),
    linear-gradient(160deg, #0d1b2a 0%, #14263a 48%, #1b3350 100%);
}
/* 필름 롤을 연상시키는 선형 패턴 */
.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, .045) 0px,
    rgba(255, 255, 255, .045) 1px,
    transparent 1px,
    transparent 46px
  );
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}

.hero__inner { position: relative; z-index: 1; }

/* 사업 양도 안내 배지 */
.hero__notice {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 6px 16px 6px 6px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(4px);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, .88);
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.hero__notice:hover {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .45);
}
.hero__notice b {
  flex: none;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--blue-500);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--white);
}
.hero__notice i {
  font-style: normal;
  color: var(--blue-400);
  transition: transform .2s var(--ease);
}
.hero__notice:hover i { transform: translateX(3px); }

.hero__eyebrow {
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--blue-400);
}

.hero__title {
  max-width: 18ch;
  margin-bottom: 24px;
  font-size: clamp(34px, 5.6vw, 60px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--white);
  letter-spacing: -.035em;
}
.hero__title strong {
  font-weight: 800;
  background: linear-gradient(100deg, #6cb0ff, #3d8bf5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  max-width: 56ch;
  margin-bottom: 40px;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.75;
  color: rgba(255, 255, 255, .75);
}
.hero__desc strong { color: var(--white); font-weight: 700; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 72px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 56px;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.hero__stats li { display: flex; flex-direction: column; gap: 2px; }
.hero__stats strong {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.03em;
  line-height: 1.1;
}
.hero__stats strong span {
  font-size: .5em;
  font-weight: 600;
  color: var(--blue-400);
  margin-left: 3px;
}
.hero__stats li > span {
  font-size: 14px;
  color: rgba(255, 255, 255, .6);
}


/* ---------- 5. 섹션 공통 ---------- */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section--alt { background: var(--gray-050); }

.section__head {
  max-width: 720px;
  margin-bottom: 56px;
}

.section__eyebrow {
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--blue-500);
}

.section__title {
  margin-bottom: 20px;
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -.035em;
}

.section__lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--gray-500);
}


/* ---------- 6. 특장점 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 22px;
}

.feature {
  padding: 34px 30px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.feature:hover {
  transform: translateY(-5px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}

.feature__icon {
  display: grid;
  place-items: center;
  width: 50px; height: 50px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: var(--blue-050);
  color: var(--blue-500);
}
.feature__icon svg { width: 25px; height: 25px; }

.feature h3 {
  margin-bottom: 10px;
  font-size: 19px;
  font-weight: 700;
}
.feature p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-500);
}


/* ---------- 7. 취급 소재 ---------- */
.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.material {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.material:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.material__tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 13px;
  border-radius: 100px;
  background: var(--navy-900);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .09em;
}

.material h3 {
  margin-bottom: 9px;
  font-size: 18px;
  font-weight: 700;
}
.material p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-500);
}

.material--cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  border: 1.5px dashed var(--gray-300);
  background: linear-gradient(150deg, var(--blue-050), var(--white));
}
.material--cta h3 { margin-bottom: 0; }
.material--cta .link-arrow { margin-top: auto; padding-top: 6px; }


/* ---------- 7-1. 코로나 처리 ---------- */
.corona {
  position: relative;
  padding: clamp(72px, 10vw, 110px) 0;
  overflow: hidden;
  background:
    radial-gradient(760px 420px at 88% 12%, rgba(29, 111, 224, .32), transparent 62%),
    linear-gradient(155deg, var(--navy-900), var(--navy-700));
  color: rgba(255, 255, 255, .74);
}
/* 방전 느낌의 미세한 세로선 */
.corona::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, .05) 0px, rgba(255, 255, 255, .05) 1px,
    transparent 1px, transparent 38px
  );
  mask-image: linear-gradient(to bottom, transparent, #000 40%, transparent);
  pointer-events: none;
}

.corona__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: center;
}

.corona__eyebrow { color: var(--blue-400); }

.corona__title {
  margin-bottom: 20px;
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -.035em;
  color: var(--white);
}

.corona__lead {
  margin-bottom: 30px;
  font-size: 17px;
  line-height: 1.8;
}
.corona__lead strong {
  color: var(--white);
  font-weight: 700;
  box-shadow: inset 0 -8px 0 rgba(61, 139, 245, .32);
}

.corona__sub {
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .5);
}

.corona__list { display: grid; gap: 11px; margin-bottom: 22px; }
.corona__list li {
  position: relative;
  padding-left: 27px;
  font-size: 15.5px;
  color: rgba(255, 255, 255, .88);
}
.corona__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 7px; height: 12px;
  border: solid var(--blue-400);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg) translateY(-4px);
}

.corona__note {
  margin-bottom: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: 14.5px;
  color: rgba(255, 255, 255, .55);
}

/* 처리 전 / 후 비교 */
.corona__visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
}

.corona__card {
  padding: 26px 22px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  backdrop-filter: blur(6px);
  text-align: center;
}
.corona__card--after {
  background: rgba(61, 139, 245, .14);
  border-color: rgba(108, 176, 255, .4);
}

.corona__card h3 {
  margin: 16px 0 8px;
  font-size: 16.5px;
  color: var(--white);
}
.corona__card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .62);
}
.corona__card--after p { color: rgba(255, 255, 255, .78); }

.corona__svg { width: 100%; height: auto; display: block; }
.corona__svg .drop {
  fill: rgba(255, 255, 255, .3);
  stroke: rgba(255, 255, 255, .6);
  stroke-width: 1.6;
}
.corona__card--after .corona__svg .drop--spread {
  fill: rgba(108, 176, 255, .45);
  stroke: #6cb0ff;
}
.corona__svg .surface {
  stroke: rgba(255, 255, 255, .5);
  stroke-width: 2.5;
  stroke-linecap: round;
}
.corona__svg .surface--thin {
  stroke: rgba(255, 255, 255, .18);
  stroke-width: 1.5;
}
.corona__card--after .corona__svg .surface { stroke: #6cb0ff; }

.corona__arrow {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--blue-400);
}
.corona__arrow svg { width: 26px; height: 26px; }
.corona__arrow span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}


/* ---------- 8. 가공 사양 ---------- */
.specs {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 28px;
  align-items: stretch; /* 좌우 높이를 맞춘다 */
}

.specs__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
}

/* 남는 높이는 표의 각 행이 나눠 갖는다 */
.specs__table {
  width: 100%;
  height: 100%;
  border-collapse: collapse;
  min-width: 480px;
}
.specs__table tr + tr { border-top: 1px solid var(--gray-200); }
.specs__table th,
.specs__table td {
  padding: 22px 26px;
  text-align: left;
  vertical-align: middle;
}
.specs__table th {
  width: 32%;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-500);
  background: var(--gray-050);
}
.specs__table td strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -.02em;
}
.specs__note {
  font-size: 14px;
  color: var(--gray-400);
  text-align: right !important;
}

.specs__aside {
  display: flex;
  flex-direction: column;
  padding: 32px 30px;
  border-radius: var(--radius);
  background: var(--navy-900);
  color: rgba(255, 255, 255, .78);
}
.specs__aside h3 {
  margin-bottom: 20px;
  font-size: 18px;
  color: var(--white);
}

.check-list { display: grid; gap: 11px; margin-bottom: 22px; }
.check-list li {
  position: relative;
  padding-left: 27px;
  font-size: 15px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 7px; height: 12px;
  border: solid var(--blue-400);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg) translateY(-4px);
}

.specs__aside-note {
  margin-top: auto; /* 안내문과 버튼은 아래쪽에 붙인다 */
  margin-bottom: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .55);
}


/* ---------- 8-1. 자주 묻는 질문 ---------- */
.faq {
  display: grid;
  gap: 12px;
  max-width: 880px;
  margin-inline: auto;
}

.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.faq__item[open] {
  border-color: var(--blue-500);
  box-shadow: var(--shadow);
}

.faq__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 21px 24px;
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--blue-500); }

.faq__q::after {
  content: "";
  flex: none;
  width: 11px; height: 11px;
  margin-top: 7px;
  margin-left: auto;
  border-right: 2px solid var(--gray-400);
  border-bottom: 2px solid var(--gray-400);
  transform: rotate(45deg);
  transition: transform .25s var(--ease), border-color .2s var(--ease);
}
.faq__item[open] .faq__q::after {
  transform: rotate(-135deg) translate(-3px, -3px);
  border-color: var(--blue-500);
}

.faq__q b {
  flex: none;
  color: var(--blue-500);
  font-weight: 700;
}

.faq__a {
  padding: 0 24px 24px 51px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gray-500);
}
.faq__a strong { color: var(--gray-900); font-weight: 600; }
.faq__a a { color: var(--blue-500); font-weight: 600; }
.faq__a a:hover { text-decoration: underline; }

.faq-note {
  max-width: 880px;
  margin: 26px auto 0;
  padding: 22px 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 22px;
  background: var(--blue-050);
  border-radius: var(--radius);
  font-size: 15.5px;
  color: var(--gray-700);
}


/* ---------- 9. 작업 공정 ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  counter-reset: step;
}

.process__step {
  position: relative;
  padding: 30px 24px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.process__num {
  display: block;
  margin-bottom: 14px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--gray-200);
  transition: color .3s var(--ease);
}
.process__step:hover .process__num { color: var(--blue-400); }

.process__step p a { color: var(--blue-500); font-weight: 600; white-space: nowrap; }
.process__step p a:hover { text-decoration: underline; }

.process__step h3 {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
}
.process__step p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-500);
}


/* ---------- 10. 문의 ---------- */
.contact {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 28px;
  align-items: start;
}

.contact__form-wrap {
  padding: 38px 36px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.form { display: grid; gap: 20px; }

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form__row--3 { grid-template-columns: repeat(3, 1fr); }

.form__field { display: grid; gap: 8px; }

.form__field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
}
.req { color: #e0342b; }

.form__field input,
.form__field select,
.form__field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--white);
  font: inherit;
  font-size: 15px;
  color: var(--gray-900);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form__field textarea { resize: vertical; min-height: 130px; line-height: 1.7; }

.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--gray-400); }

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(29, 111, 224, .13);
}

.form__field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b747e' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 42px;
}

.form__check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--gray-500);
  cursor: pointer;
}
.form__check input {
  width: 18px; height: 18px;
  margin-top: 3px;
  accent-color: var(--blue-500);
  flex-shrink: 0;
  cursor: pointer;
}
.form__check strong { color: var(--gray-900); font-weight: 600; }

.form__status {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 500;
  text-align: center;
}
.form__status.is-visible { display: block; }
.form__status.is-success {
  background: #e9f7ee;
  color: #14713a;
  border: 1px solid #b7e4c7;
}
.form__status.is-error {
  background: #fdeceb;
  color: #b32820;
  border: 1px solid #f5c6c2;
}

#submitBtn[disabled] { opacity: .6; cursor: not-allowed; }

.contact__info {
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  background: var(--gray-050);
  border: 1px solid var(--gray-200);
}
.contact__info h3 {
  margin-bottom: 22px;
  font-size: 18px;
}

.info-list { display: grid; gap: 20px; margin-bottom: 26px; }
.info-list li { display: grid; gap: 4px; }
.info-list__label {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue-500);
}
.info-list__value {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--gray-900);
  line-height: 1.6;
}
a.info-list__value:hover { color: var(--blue-500); }
.info-list__value small { font-size: 13.5px; color: var(--gray-400); font-weight: 400; }

.info-list__value--tel {
  font-size: 24px;
  font-weight: 700;
  color: var(--blue-500);
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}
.info-list__value--tel:hover { color: var(--navy-700); }

.contact__info .btn + .btn { margin-top: 10px; }


/* ---------- 10-1. 사업 양도 안내 ---------- */
.sale {
  display: grid;
  grid-template-columns: 1fr 1.75fr;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
}

.sale__price {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 44px 38px;
  background:
    radial-gradient(420px 260px at 85% 8%, rgba(29, 111, 224, .38), transparent 65%),
    linear-gradient(155deg, var(--navy-900), var(--navy-700));
  color: rgba(255, 255, 255, .7);
}

.sale__price-label {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue-400);
}

.sale__price strong {
  font-size: clamp(52px, 6.4vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.04em;
  color: var(--white);
}
.sale__price strong span {
  margin-left: 6px;
  font-size: .42em;
  font-weight: 700;
  letter-spacing: -.02em;
  color: #6cb0ff;
}

.sale__price-note {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .13);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .55);
}

.sale__body { padding: 44px 42px; }

.sale__title {
  margin-bottom: 16px;
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 800;
  letter-spacing: -.035em;
}

.sale__lead {
  margin-bottom: 26px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--gray-500);
}

/* 사업 개요 — 칸 사이 1px 틈으로 구분선을 만든다 */
.sale__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 0 0 22px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--gray-200);
}
.sale__facts div { padding: 15px 18px; background: var(--gray-050); }
.sale__facts dt {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--blue-500);
}
.sale__facts dd {
  margin: 2px 0 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--gray-900);
}

.sale__note {
  margin-bottom: 26px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  background: var(--blue-050);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-700);
}
.sale__note strong { margin-right: 6px; color: var(--gray-900); font-weight: 700; }

.sale__actions { display: flex; flex-wrap: wrap; gap: 10px; }


/* ---------- 11. 푸터 ---------- */
.footer {
  padding: 60px 0 28px;
  background: var(--navy-900);
  color: rgba(255, 255, 255, .6);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 34px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer__brand { display: flex; align-items: center; gap: 13px; }
.footer__brand strong {
  display: block;
  font-size: 19px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
}
.footer__brand p { font-size: 13.5px; }

.footer__meta { font-size: 14.5px; line-height: 1.9; }
.footer__meta a:hover { color: var(--blue-400); }

.footer__nav { display: flex; flex-wrap: wrap; gap: 22px; font-size: 14.5px; }
.footer__nav a:hover { color: var(--white); }

.footer__bottom {
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
}


/* ---------- 11-1. 모바일 하단 고정 바 ---------- */
.action-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 120;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--gray-200);
  box-shadow: 0 -4px 20px rgba(13, 27, 42, .14);
  padding-bottom: env(safe-area-inset-bottom);
}

.action-bar__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 10px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.action-bar__btn svg { width: 18px; height: 18px; flex: none; }

.action-bar__btn--tel { background: var(--blue-500); color: var(--white); }
.action-bar__btn--tel:active { background: var(--navy-600); }
.action-bar__btn--form { background: var(--navy-900); color: var(--white); }
.action-bar__btn--form:active { background: var(--navy-700); }


/* ---------- 12. 맨 위로 ---------- */
.to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease),
              visibility .3s var(--ease), background-color .2s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue-500); }
.to-top svg { width: 20px; height: 20px; }


/* ---------- 13. 스크롤 등장 효과 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}


/* ---------- 14. 반응형 ---------- */
/* 메뉴가 7개라 좁은 데스크톱에서 간격을 줄여 한 줄에 들어가게 한다 */
@media (max-width: 1180px) and (min-width: 941px) {
  .nav { gap: 22px; }
  .nav__list { gap: 20px; }
  .nav__list a { font-size: 14.5px; }
  .nav__actions { gap: 12px; }
  .nav__tel { font-size: 14.5px; }
}

@media (max-width: 1024px) {
  .specs,
  .contact,
  .sale { grid-template-columns: 1fr; }
  .sale__price { padding: 36px 38px; }
  .specs__table th { width: 34%; }

  .corona__inner { grid-template-columns: 1fr; gap: 44px; }
  .form__row--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 940px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 26px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s var(--ease);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list a {
    display: block;
    padding: 15px 4px;
    color: var(--gray-900) !important;
    border-bottom: 1px solid var(--gray-100);
    font-size: 16px;
  }
  .nav__list a::after { display: none; }

  .nav__actions { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__cta { order: 1; margin-top: 18px; justify-content: center; padding: 14px; }
  .nav__tel {
    order: 2;
    justify-content: center;
    margin-top: 10px;
    padding: 13px;
    font-size: 17px;
    color: var(--gray-900) !important;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
  }

  /* 모바일에서는 하단 고정 바로 전화/견적을 항상 노출 */
  .action-bar { display: grid; }
  body { padding-bottom: 56px; }
  .to-top { bottom: calc(74px + env(safe-area-inset-bottom)); }

  /* 메뉴 열림 상태에서 헤더는 흰 배경 */
  .header.is-nav-open {
    background: var(--white);
    box-shadow: none;
  }
  .header.is-nav-open .logo__text { color: var(--gray-900); }

  .hero { min-height: auto; padding: calc(var(--header-h) + 64px) 0 72px; }
  .hero__actions { margin-bottom: 54px; }
  .hero__stats { gap: 22px 40px; }
}

@media (max-width: 600px) {
  .container { padding-inline: 20px; }

  .corona__visual { grid-template-columns: 1fr; gap: 14px; }
  .corona__arrow { grid-auto-flow: column; gap: 10px; align-items: center; }
  .corona__arrow svg { transform: rotate(90deg); width: 22px; height: 22px; }

  .faq__q { padding: 18px 20px; font-size: 16px; }
  .faq__a { padding: 0 20px 20px 44px; }
  .faq-note { flex-direction: column; align-items: flex-start; padding: 20px; }

  .form__row { grid-template-columns: 1fr; }

  .contact__form-wrap { padding: 28px 22px; }
  .contact__info,
  .specs__aside { padding: 28px 22px; }

  .feature { padding: 28px 24px; }
  .material { padding: 26px 22px; }

  .specs__table th,
  .specs__table td { padding: 17px 18px; }
  .specs__note { display: none; }
  .specs__table { min-width: 0; }

  .hero__notice { border-radius: var(--radius); font-size: 13.5px; }

  .sale__price { padding: 30px 22px; }
  .sale__body { padding: 30px 22px; }
  .sale__facts { grid-template-columns: 1fr; }
  .sale__actions .btn { flex: 1 1 100%; }

  .hero__actions .btn { flex: 1 1 100%; }
  .hero__stats { width: 100%; }
  .hero__stats li { flex: 1 1 40%; }

  .footer__inner { flex-direction: column; gap: 26px; }
  .to-top { right: 16px; bottom: calc(68px + env(safe-area-inset-bottom)); width: 44px; height: 44px; }
}

@media (min-width: 601px) { .br-pc { display: block; } }
@media (max-width: 600px) { .br-pc { display: none; } }