@charset "UTF-8";
/* ==========================================================================
   (주)찬호철강 — 리뉴얼 미리보기 시안 (원페이지)
   컬러 토큰은 원본 로고(#0078C0)와 원본 견적문의 배너(#003C90)에서 추출했다.
   ========================================================================== */

/* --------------------------------------------------------- 1. 디자인 토큰 */
:root {
  /* Brand — 원본 에셋에서 추출 */
  --brand-500: #0078c0;          /* 원본 로고 심볼 블루 */
  --brand-600: #005e9c;
  --brand-700: #003c90;          /* 원본 견적문의 배너 네이비 */

  /* Navy — 헤더/푸터/오버레이 */
  --navy-900: #05131f;
  --navy-800: #0a2440;
  --navy-700: #12385f;

  /* Neutral (steel) */
  --ink:        #101d29;
  --ink-2:      #38495a;
  --ink-3:      #6b7c8d;
  --line:       #e1e8ef;
  --line-2:     #ccd7e2;
  --surface:    #ffffff;
  --surface-2:  #f4f7fa;
  --surface-3:  #eaeff5;

  /* Typography */
  --font-sans: "IBM Plex Sans KR", -apple-system, BlinkMacSystemFont,
               "Malgun Gothic", "맑은 고딕", sans-serif;
  --fs-eyebrow:  clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --fs-body:     clamp(0.95rem, 0.9rem + 0.25vw, 1.0625rem);
  --fs-lead:     clamp(1rem, 0.94rem + 0.4vw, 1.1875rem);
  --fs-h3:       clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --fs-h2:       clamp(1.625rem, 1.3rem + 1.5vw, 2.625rem);
  --fs-h1:       clamp(2.125rem, 1.5rem + 3vw, 4rem);
  --fs-display:  clamp(2.5rem, 1.6rem + 4vw, 5rem);

  /* Space */
  --shell:      1240px;
  --gutter:     clamp(1.25rem, 0.9rem + 1.8vw, 2.5rem);
  --section-y:  clamp(4rem, 2.5rem + 6vw, 8.5rem);

  /* Shape */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;

  /* Elevation */
  --sh-1: 0 1px 2px rgba(16, 29, 41, .06), 0 4px 14px rgba(16, 29, 41, .05);
  --sh-2: 0 2px 6px rgba(16, 29, 41, .07), 0 18px 40px rgba(16, 29, 41, .09);
  --sh-header: 0 1px 0 rgba(16, 29, 41, .07), 0 8px 24px rgba(16, 29, 41, .06);

  /* Motion */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur:  .45s;

  /* Layer */
  --z-header: 100;
  --z-nav:    90;
}

/* ------------------------------------------------------------- 2. 리셋 */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink);
  background: var(--surface);
  letter-spacing: -.015em;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, dl, dd, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--brand-500);
  outline-offset: 3px;
  border-radius: 2px;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: fixed;
  top: .5rem; left: .5rem;
  z-index: 999;
  padding: .7rem 1.1rem;
  font-weight: 600;
  color: #fff;
  background: var(--navy-800);
  border-radius: var(--r-md);
  transform: translateY(-160%);
  transition: transform .2s var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); }

/* ----------------------------------------------------- 3. 레이아웃 유틸 */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }
.section--alt { background: var(--surface-2); }

.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); }
.section__head--row {
  display: grid;
  gap: 1.5rem clamp(2rem, 5vw, 5rem);
  max-width: none;
  align-items: end;
}
.section__title {
  font-size: var(--fs-h2);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.035em;
  color: var(--ink);
}
.section__desc {
  margin-top: 1.125rem;
  font-size: var(--fs-lead);
  line-height: 1.85;
  color: var(--ink-2);
  font-weight: 300;
}
.section__head--row .section__desc { margin-top: 0; }

.eyebrow {
  margin-bottom: .9rem;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brand-600);
}
.eyebrow--light { color: #8fd0ff; }

.icon { width: 1em; height: 1em; flex: none; }

.br-pc { display: none; }

/* ------------------------------------------------------------ 4. 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .95rem 1.6rem;
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.2;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: background-color .22s var(--ease), border-color .22s var(--ease),
              color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--accent {
  color: #fff;
  background: var(--brand-500);
  box-shadow: 0 6px 18px rgba(0, 120, 192, .3);
}
.btn--accent:hover { background: var(--brand-600); box-shadow: 0 10px 26px rgba(0, 120, 192, .38); }

.btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, .45);
  backdrop-filter: blur(3px);
  background: rgba(255, 255, 255, .06);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .16); border-color: #fff; }

.btn--lg { padding: 1.075rem 2rem; font-size: 1rem; }
.btn--sm { padding: .6rem 1.05rem; font-size: .875rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-top: 1.4rem;
  font-weight: 600;
  font-size: .9375rem;
  color: var(--brand-600);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.link-arrow .icon { transition: transform .25s var(--ease); }
.link-arrow:hover { color: var(--brand-700); border-color: currentColor; }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ------------------------------------------------------------ 5. 헤더 */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  transition: background-color .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 76px;
}

.brand { display: flex; align-items: center; padding-block: .5rem; }
.brand__mark {
  width: clamp(146px, 13vw, 178px);
  height: auto;
  /* 히어로 위에서는 어두운 배경이므로 로고를 흰색으로 반전 */
  filter: brightness(0) invert(1);
  transition: filter .35s var(--ease);
}

/* 스크롤 후 헤더 */
.site-header.is-stuck {
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: var(--sh-header);
}
.site-header.is-stuck .brand__mark { filter: none; }
.site-header.is-stuck .gnb__link { color: var(--ink); }
.site-header.is-stuck .nav-toggle__bar { background: var(--ink); }

.gnb { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 3rem); }
.gnb__list { display: flex; align-items: center; gap: clamp(1.1rem, 2.2vw, 2.25rem); }
.gnb__link {
  position: relative;
  display: block;
  padding-block: .5rem;
  font-size: .9688rem;
  font-weight: 500;
  color: rgba(255, 255, 255, .92);
  transition: color .25s var(--ease);
}
.gnb__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: .1rem;
  width: 100%; height: 2px;
  background: var(--brand-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.gnb__link:hover::after,
.gnb__link[aria-current="true"]::after { transform: scaleX(1); }

/* 모바일 내비 뒤 딤 처리 (스크립트가 생성) — 데스크톱에서는 숨김 */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: rgba(5, 19, 31, .5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .35s var(--ease), visibility .35s;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .65rem .4rem;
}
.nav-toggle__bar {
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease), background-color .35s var(--ease);
}

/* ------------------------------------------------------------ 6. 히어로 */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: min(100svh, 860px);
  padding-top: clamp(7rem, 14vh, 11rem);
  overflow: hidden;
  isolation: isolate;
  background: var(--navy-900);
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  animation: heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(5, 19, 31, .93) 0%, rgba(5, 19, 31, .78) 38%, rgba(5, 19, 31, .3) 72%, rgba(5, 19, 31, .5) 100%),
    linear-gradient(to top, rgba(5, 19, 31, .9) 0%, rgba(5, 19, 31, 0) 42%);
}

.hero__inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  color: #fff;
}

.hero__eyebrow {
  font-size: clamp(.875rem, .8rem + .4vw, 1.0625rem);
  font-weight: 300;
  letter-spacing: .06em;
  color: #a8d8f7;
}
.hero__eyebrow::after {
  content: "";
  display: block;
  width: 52px; height: 2px;
  margin-top: 1.1rem;
  background: var(--brand-500);
}

.hero__title {
  margin-top: 1.6rem;
  font-size: var(--fs-h1);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -.045em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}
.hero__title strong { font-weight: 700; }

.hero__lead {
  max-width: 40rem;
  margin-top: clamp(1.25rem, 2vw, 1.75rem);
  font-size: var(--fs-lead);
  font-weight: 300;
  line-height: 1.85;
  color: rgba(255, 255, 255, .84);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .875rem;
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
}

.hero__factbar {
  border-top: 1px solid rgba(255, 255, 255, .18);
  background: rgba(5, 19, 31, .5);
  backdrop-filter: blur(8px);
}
.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hero__fact {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding-block: clamp(1.1rem, 2vw, 1.75rem);
  color: #fff;
}
.hero__fact:not(:last-child) { padding-right: clamp(1.25rem, 3vw, 2.5rem); }
.hero__fact + .hero__fact {
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  border-left: 1px solid rgba(255, 255, 255, .14);
}
.hero__fact-k {
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .6);
}
.hero__fact-v {
  font-size: clamp(1rem, .9rem + .5vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -.02em;
}
.hero__fact-v em { font-style: normal; color: #62c0f5; }
.hero__fact-v a { border-bottom: 1px solid rgba(255, 255, 255, .3); }
.hero__fact-v a:hover { border-color: #62c0f5; color: #62c0f5; }

/* 히어로 하단 지표 바는 화면 전체폭, 내부 콘텐츠는 shell 에 정렬한다 */
.hero > .hero__factbar { width: 100%; }

/* ------------------------------------------------------- 7. 취급 브랜드 */
.brands { border-bottom: 1px solid var(--line); background: var(--surface); }
.brands__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2.5rem;
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
}
.brands__label {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: -.01em;
}
.brands__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.75rem, 4vw, 3.5rem);
}
.brands__list img {
  width: auto;
  height: clamp(20px, 2.4vw, 26px);
  opacity: .62;
  filter: grayscale(1);
  transition: opacity .3s var(--ease), filter .3s var(--ease);
}
.brands__list img:hover { opacity: 1; filter: none; }

/* ------------------------------------------------------------ 8. 강점 카드 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: clamp(1rem, 1.8vw, 1.75rem);
}
.card {
  position: relative;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--brand-500), var(--brand-700));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-2);
  border-color: var(--line-2);
}
.card:hover::before { transform: scaleY(1); }

.card__num {
  position: absolute;
  top: clamp(1.25rem, 2.4vw, 1.9rem);
  right: clamp(1.25rem, 2.4vw, 1.9rem);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.05em;
  color: var(--surface-3);
}
.card__icon {
  width: 34px; height: 34px;
  margin-bottom: 1.5rem;
  color: var(--brand-500);
}
.card__title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.45;
}
.card__body {
  margin-top: .85rem;
  font-size: .9688rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ----------------------------------------------------------- 9. 제품소개 */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: clamp(1.5rem, 3vw, 2.75rem);
}
.product {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.product:hover { transform: translateY(-6px); box-shadow: var(--sh-2); }

.product__figure { overflow: hidden; background: var(--surface-3); }
.product__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.product:hover .product__figure img { transform: scale(1.05); }

.product__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
  padding: clamp(1.6rem, 3vw, 2.4rem);
}
.product__title {
  position: relative;
  padding-bottom: 1rem;
  font-size: clamp(1.25rem, 1.1rem + .6vw, 1.625rem);
  font-weight: 600;
  letter-spacing: -.035em;
}
.product__title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 34px; height: 2px;
  background: var(--brand-500);
}
.product__desc {
  margin-top: 1.1rem;
  font-size: .9688rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--ink-2);
}
.product__body .link-arrow { margin-top: auto; padding-top: 1.4rem; }

/* ---------------------------------------------------------- 10. 납품실적 */
.works {
  display: grid;
  gap: clamp(2.25rem, 5vw, 4.5rem);
  align-items: center;
}
.works__figure {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-2);
}
.works__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.works__caption {
  padding: .8rem 1.15rem;
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: -.01em;
  color: rgba(255, 255, 255, .9);
  background: var(--navy-800);
}

.works__quote {
  margin-top: 1.75rem;
  padding-left: 1.35rem;
  border-left: 3px solid var(--brand-500);
  font-size: var(--fs-lead);
  font-weight: 300;
  line-height: 1.9;
  color: var(--ink-2);
}
.works__meta {
  margin-top: 2.25rem;
  border-top: 1px solid var(--line-2);
}
.works__meta > div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1rem;
  padding-block: .95rem;
  border-bottom: 1px solid var(--line-2);
}
.works__meta dt {
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-3);
}
.works__meta dd {
  margin: 0;
  font-size: .9688rem;
  font-weight: 500;
  color: var(--ink);
}
.works__note {
  margin-top: 1.4rem;
  font-size: .8438rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--ink-3);
}

/* --------------------------------------------------------------- 11. CTA */
.cta {
  position: relative;
  padding-block: clamp(4.5rem, 3rem + 6vw, 9rem);
  overflow: hidden;
  isolation: isolate;
  background: var(--navy-900);
  color: #fff;
  text-align: center;
}
.cta__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .26;
}
.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(0, 120, 192, .3), transparent 62%),
    linear-gradient(168deg, rgba(4, 16, 27, .9) 0%, rgba(6, 32, 58, .88) 55%, rgba(0, 46, 110, .86) 100%);
}
.cta__inner { max-width: 60rem; }
.cta__title {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: 1.2;
}
.cta__lead {
  margin: 1.15rem auto 0;
  max-width: 39rem;
  font-size: var(--fs-lead);
  font-weight: 300;
  line-height: 1.85;
  color: rgba(255, 255, 255, .8);
}

.contacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1rem;
  margin-top: clamp(2.25rem, 4vw, 3.25rem);
}
.contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  padding: clamp(1.4rem, 2.5vw, 2rem) 1rem;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-lg);
  backdrop-filter: blur(6px);
  transition: background-color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.contact:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .32);
  transform: translateY(-4px);
}
.contact__icon { width: 24px; height: 24px; color: #62c0f5; }
.contact__k {
  font-size: .8125rem;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, .6);
}
.contact__v {
  font-size: clamp(1.0625rem, 1rem + .5vw, 1.3125rem);
  font-weight: 600;
  letter-spacing: -.02em;
  overflow-wrap: anywhere;
}
.contact__v:hover { color: #8fd0ff; }

.cta__sub {
  margin-top: 2rem;
  font-size: .875rem;
  font-weight: 300;
  color: rgba(255, 255, 255, .58);
}

/* -------------------------------------------------------------- 12. 푸터 */
.site-footer {
  padding-top: clamp(3rem, 2rem + 3vw, 4.5rem);
  background: var(--navy-900);
  color: rgba(255, 255, 255, .72);
  font-size: .875rem;
  font-weight: 300;
}
.site-footer__inner {
  display: grid;
  gap: 2.25rem;
  padding-bottom: clamp(2.5rem, 4vw, 3.5rem);
}
.site-footer__brand img {
  width: 168px;
  filter: brightness(0) invert(1);
  opacity: .95;
}
.site-footer__slogan {
  margin-top: 1rem;
  font-size: .875rem;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .5);
}
.site-footer__info { line-height: 2; }
.site-footer__info p + p { margin-top: .15rem; }
.site-footer__info span + span::before {
  content: "";
  display: inline-block;
  width: 1px; height: 11px;
  margin-inline: .8rem;
  background: rgba(255, 255, 255, .25);
  vertical-align: -1px;
}
.site-footer__info a { border-bottom: 1px solid rgba(255, 255, 255, .25); }
.site-footer__info a:hover { color: #8fd0ff; border-color: #8fd0ff; }

.site-footer__bottom {
  padding-block: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .42);
  font-size: .8125rem;
}

/* ------------------------------------------------------- 13. 등장 애니메이션 */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ============================ 14. 반응형 ============================= */

/* --- 태블릿 이상 (≥ 768px) --- */
@media (min-width: 768px) {
  .br-pc { display: inline; }

  .works {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer__inner {
    grid-template-columns: auto 1fr;
    gap: 3rem clamp(2.5rem, 6vw, 6rem);
    align-items: start;
  }
  .site-footer__info { text-align: right; }
}

/* --- 데스크톱 (≥ 1024px) --- */
@media (min-width: 1024px) {
  .section__head--row { grid-template-columns: 1fr 1fr; }
  .works { grid-template-columns: 1.05fr 1fr; }
}

/* --- 모바일 · 태블릿 세로 (≤ 900px) : 햄버거 내비 --- */
@media (max-width: 900px) {
  html { scroll-padding-top: 72px; }

  .site-header__inner { min-height: 66px; }

  .nav-toggle { display: flex; z-index: calc(var(--z-nav) + 1); }

  .gnb {
    position: fixed;
    inset: 0 0 0 auto;
    z-index: var(--z-nav);
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 2.5rem;
    width: min(320px, 82vw);
    padding: 5rem 2rem 2rem;
    background: var(--navy-900);
    box-shadow: -18px 0 50px rgba(5, 19, 31, .4);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .42s var(--ease), visibility .42s;
  }
  .gnb.is-open { transform: none; visibility: visible; }

  .gnb__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-block: 1px solid rgba(255, 255, 255, .1);
  }
  .gnb__list li + li { border-top: 1px solid rgba(255, 255, 255, .1); }
  .gnb__link {
    padding-block: 1.05rem;
    font-size: 1.0625rem;
    color: #fff;
  }
  .gnb__link::after { display: none; }
  .gnb__cta { justify-content: center; padding-block: .9rem; }

  /* 열렸을 때 헤더가 흰색이어도 토글은 흰색 유지 */
  body.nav-open .nav-toggle__bar { background: #fff; }
  body.nav-open .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle__bar:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  body.nav-open { overflow: hidden; }

  body.nav-open .nav-scrim {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

/* --- 모바일 (≤ 640px) --- */
@media (max-width: 640px) {
  .hero { min-height: auto; padding-top: 7.5rem; }
  .hero__inner { padding-bottom: 3rem; }
  .hero__media img { object-position: 68% 50%; }
  .hero__scrim {
    background:
      linear-gradient(180deg, rgba(5, 19, 31, .72) 0%, rgba(5, 19, 31, .56) 40%, rgba(5, 19, 31, .9) 100%);
  }
  .hero__actions .btn { flex: 1 1 100%; }

  .hero__facts { grid-template-columns: 1fr; }
  .hero__fact:not(:last-child) { padding-right: 0; }
  .hero__fact + .hero__fact {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, .14);
  }
  .hero__fact {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding-block: .95rem;
  }

  .brands__inner { flex-direction: column; align-items: flex-start; }

  .card__num { font-size: 1.75rem; }

  .works__meta > div { grid-template-columns: 4.5rem 1fr; gap: .75rem; }

  .site-footer__info span + span::before { margin-inline: .6rem; }
}

/* --------------------------------------------------- 15. 모션 축소 / 인쇄 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__media img { animation: none; }
}

@media print {
  .site-header, .nav-toggle, .hero__actions, .cta__bg { display: none !important; }
  body { color: #000; }
  .hero, .cta, .site-footer { background: #fff !important; color: #000 !important; }
}