:root {
  color-scheme: light;
  --ink: #101216;
  --muted: #606773;
  --line: #e6e9ee;
  --blue: #1760e8;
  --white: #fff;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
h1, h2, h3, p { margin: 0; }
.container { width: min(100% - 96px, 1360px); margin-inline: auto; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 100; padding: 10px 16px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid #76a5ff; outline-offset: 4px; }

.site-header { position: relative; z-index: 20; background: #fff; }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; }
.wordmark { font-family: Arial, sans-serif; font-size: 26px; font-weight: 800; letter-spacing: -1.1px; line-height: 1; }
.site-nav { display: flex; align-items: center; gap: 44px; font-size: 15px; font-weight: 600; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--blue); }
.menu-toggle { display: none; }

.hero { min-height: min(760px, calc(100svh - 84px)); position: relative; isolation: isolate; overflow: hidden; }
.hero-art { position: absolute; z-index: -1; top: 0; right: 0; width: 76%; height: 100%; object-fit: cover; object-position: 100% 50%; }
.hero-inner { min-height: inherit; position: relative; display: flex; align-items: center; }
.hero-copy { width: min(47%, 590px); padding-bottom: 48px; }
.hero h1 { font-family: Arial, sans-serif; font-size: clamp(72px, 8vw, 132px); font-weight: 800; letter-spacing: -5px; line-height: .95; }
.hero-line { margin-top: 36px; font-size: clamp(28px, 3vw, 42px); font-weight: 700; line-height: 1.3; word-break: keep-all; }
.hero-description { margin-top: 24px; max-width: 430px; color: #545b66; font-size: 17px; line-height: 1.75; word-break: keep-all; }
.scroll-link { position: absolute; bottom: 35px; left: 0; display: flex; flex-direction: column; gap: 15px; align-items: flex-start; color: #424953; font: 700 11px Arial, sans-serif; letter-spacing: .06em; }
.scroll-line { display: block; width: 1px; height: 36px; margin-left: 9px; background: #444; }

.section-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.two-column-heading { display: grid; grid-template-columns: 1fr .84fr; align-items: end; gap: 10%; }
.about { padding: 112px 0 116px; }
.section-label { margin-bottom: 25px; color: var(--blue); font: 800 12px Arial, sans-serif; letter-spacing: .11em; }
h2 { font-size: clamp(32px, 3.25vw, 50px); font-weight: 700; line-height: 1.32; word-break: keep-all; }
.section-text { max-width: 490px; color: #505762; font-size: 17px; line-height: 1.8; word-break: keep-all; }
.section-text p + p { margin-top: 16px; }

.projects { padding-top: 112px; }
.projects-intro { padding-bottom: 70px; }
.project-list { width: min(100% - 96px, 1360px); margin-inline: auto; border-top: 1px solid var(--line); }
.project-row { display: grid; grid-template-columns: 1fr 1fr; min-height: 332px; border-bottom: 1px solid var(--line); }
.project-row.reverse .project-media { order: 2; }
.project-media { overflow: hidden; background: #eef1f5; }
.project-media img { width: 100%; height: 100%; min-height: 332px; object-fit: cover; transition: transform .7s ease; }
.project-row:hover img { transform: scale(1.035); }
.project-content { display: flex; flex-direction: column; justify-content: center; padding: 40px clamp(40px, 5vw, 90px); }
.project-number, .project-status { color: var(--blue); font: 700 11px Arial, sans-serif; letter-spacing: .08em; }
.project-status { margin-left: 18px; color: #66707e; letter-spacing: 0; }
.project-content h3 { margin-top: 30px; font-family: Arial, "Noto Sans KR", sans-serif; font-size: clamp(34px, 3.3vw, 54px); font-weight: 700; letter-spacing: -1px; line-height: 1.06; overflow-wrap: anywhere; }
.project-kind { margin-top: 13px; font-size: 18px; font-weight: 700; word-break: keep-all; }
.project-description { margin-top: 16px; max-width: 410px; color: #66707c; font-size: 16px; line-height: 1.7; word-break: keep-all; }

.contact { margin-top: 120px; padding: 105px 0 112px; background: #0c264c; color: #fff; }
.contact-inner { display: flex; justify-content: space-between; align-items: end; gap: 48px; }
.contact .section-label { color: #a6d9ff; }
.contact h2 { font-size: clamp(34px, 3.7vw, 54px); }
.contact p:not(.section-label) { margin-top: 28px; color: #c5d3e8; font-size: 16px; }
.contact-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-width: 290px; padding: 0 0 13px; border-bottom: 1px solid #91b4da; font-size: 17px; font-weight: 600; transition: color .2s ease, border-color .2s ease; }
.contact-link:hover { color: #a6e9df; border-color: #a6e9df; }
.contact-link span { font-size: 28px; font-weight: 300; line-height: .7; }
.site-footer { padding: 30px 0; background: #071a33; color: #b7c8e0; }
.footer-inner { display: flex; align-items: center; gap: 30px; font-size: 12px; }
.footer-inner .wordmark { margin-right: auto; color: #fff; font-size: 22px; }

@media (max-width: 850px) {
  .container, .project-list { width: min(100% - 48px, 1360px); }
  .header-inner { min-height: 70px; }
  .hero { min-height: 650px; }
  .hero-art { width: 100%; opacity: .62; object-position: 62% center; }
  .hero-inner { align-items: flex-start; }
  .hero-copy { width: min(78%, 520px); padding-top: 125px; }
  .hero h1 { font-size: clamp(68px, 10vw, 110px); }
  .two-column-heading { grid-template-columns: 1fr; gap: 30px; }
  .section-text { max-width: 680px; }
  .project-row { min-height: 285px; }
  .project-media img { min-height: 285px; }
  .project-content { padding: 28px 36px; }
}

@media (max-width: 620px) {
  .container, .project-list { width: min(100% - 40px, 1360px); }
  .header-inner { min-height: 66px; }
  .wordmark { font-size: 23px; }
  .menu-toggle { display: flex; width: 40px; height: 40px; padding: 10px 4px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 6px; cursor: pointer; }
  .menu-toggle span { display: block; height: 2px; width: 100%; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; padding: 18px 20px 25px; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; font-size: 17px; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 4px; }
  .hero { min-height: 680px; }
  .hero-art { top: 265px; left: 2%; width: 115%; height: 400px; opacity: 1; object-position: 64% center; }
  .hero-copy { width: 100%; padding-top: 58px; padding-bottom: 0; }
  .hero h1 { font-size: clamp(57px, 16vw, 86px); letter-spacing: -3px; }
  .hero-line { margin-top: 22px; font-size: clamp(25px, 6.3vw, 34px); }
  .hero-description { margin-top: 14px; max-width: 350px; font-size: 14px; line-height: 1.65; }
  .scroll-link { display: none; }
  .about { padding: 74px 0 78px; }
  .section-label { margin-bottom: 18px; font-size: 11px; }
  h2 { font-size: clamp(30px, 7.5vw, 40px); }
  .section-text { font-size: 15px; line-height: 1.75; }
  .projects { padding-top: 76px; }
  .projects-intro { padding-bottom: 42px; }
  .project-row { display: flex; flex-direction: column; min-height: auto; }
  .project-row.reverse .project-media { order: 0; }
  .project-media img { min-height: 0; aspect-ratio: 16 / 9; }
  .project-content { min-height: 235px; padding: 31px 4px 38px; }
  .project-content h3 { margin-top: 22px; font-size: 38px; }
  .project-kind { font-size: 16px; }
  .project-description { margin-top: 12px; font-size: 15px; }
  .contact { margin-top: 75px; padding: 78px 0 82px; }
  .contact-inner { align-items: flex-start; flex-direction: column; gap: 47px; }
  .contact p:not(.section-label) { margin-top: 20px; line-height: 1.6; }
  .contact-link { min-width: min(100%, 340px); font-size: 16px; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; }
  .footer-inner .wordmark { margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
