@charset "UTF-8";

@layer reset, tokens, base, layout, components, sections, utilities, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p, figure, dl, dd, ol, ul { margin: 0; }
  ol, ul { padding: 0; list-style: none; }
  button, input, textarea, select { font: inherit; }
  img, picture { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
}

@layer tokens {
  :root {
    --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;

    --color-bg: #f5f3ee;
    --color-surface: #fbfaf7;
    --color-surface-muted: #eae7df;
    --color-text: #171717;
    --color-text-secondary: #5f5c56;
    --color-text-muted: #716c65;
    --color-border: #d5d1c8;
    --color-border-strong: #aaa59c;
    --color-accent: #155dcc;
    --color-accent-hover: #0f4da9;
    --color-dark: #181818;
    --color-inverse: #f7f5f0;
    --color-focus: #7047eb;

    --text-display: clamp(3rem, 7.2vw, 7rem);
    --text-section: clamp(2.25rem, 4.5vw, 4rem);
    --text-project: clamp(1.75rem, 3vw, 2.75rem);
    --text-subheading: clamp(1.25rem, 2vw, 1.75rem);
    --text-lead: clamp(1.0625rem, 1.5vw, 1.375rem);
    --text-body: clamp(1rem, 1.1vw, 1.125rem);
    --text-small: clamp(.8125rem, .9vw, .875rem);

    --container-wide: 100rem;
    --container-main: 90rem;
    --container-prose: 44rem;
    --gutter: clamp(1.25rem, 4vw, 4rem);

    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 6rem;
    --space-10: 8rem;
    --space-11: 10rem;
    --space-12: 12.5rem;

    --header-height: 4.5rem;
    --section-space: clamp(5.5rem, 10vw, 10rem);
    --duration-fast: 120ms;
    --duration-base: 180ms;
    --duration-slow: 320ms;
    --ease-out: cubic-bezier(.22, 1, .36, 1);
  }
}

@layer base {
  html { color-scheme: light; scroll-padding-top: calc(var(--header-height) + 1rem); }
  body {
    min-width: 17.5rem;
    overflow-x: hidden;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: 400;
    line-height: 1.75;
    letter-spacing: -.01em;
    word-break: keep-all;
    overflow-wrap: break-word;
    text-rendering: optimizeLegibility;
  }
  ::selection { background: var(--color-accent); color: #fff; }
  :focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
  h1, h2, h3 { text-wrap: balance; }
  button { color: inherit; }
}

@layer layout {
  .container,
  .container-wide {
    width: min(calc(100% - (var(--gutter) * 2)), var(--container-main));
    margin-inline: auto;
  }
  .container-wide { max-width: var(--container-wide); }
  .section { padding-block: var(--section-space); }
  .section-heading {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-5);
    align-items: start;
    padding-bottom: clamp(var(--space-8), 7vw, var(--space-10));
    border-top: 1px solid var(--color-border-strong);
    padding-top: var(--space-5);
  }
  .section-heading > .section-index { grid-column: 1 / span 2; }
  .section-heading > div { grid-column: 4 / -1; }
  .section-heading h2 {
    font-size: var(--text-section);
    font-weight: 600;
    line-height: 1.05;
    letter-spacing: -.035em;
  }
  .section-heading > div > p {
    max-width: var(--container-prose);
    margin-top: var(--space-5);
    color: var(--color-text-secondary);
  }
  .section-index,
  .eyebrow {
    color: var(--color-accent);
    font-size: .75rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: .08em;
    text-transform: uppercase;
  }
}

@layer components {
  .skip-link {
    position: fixed;
    z-index: 1000;
    top: var(--space-4);
    left: var(--space-4);
    transform: translateY(-200%);
    padding: .75rem 1rem;
    background: var(--color-text);
    color: var(--color-inverse);
    font-weight: 600;
  }
  .skip-link:focus { transform: none; }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    width: fit-content;
    font-size: .9375rem;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: .35em;
    transition: color var(--duration-base) ease;
  }
  .text-link span { transition: transform var(--duration-base) var(--ease-out); }

  .site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    min-height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
  }
  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
  }
  .site-logo { font-size: .875rem; font-weight: 700; letter-spacing: .02em; }
  .desktop-nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.3vw, 2rem); }
  .desktop-nav a { position: relative; font-size: .875rem; font-weight: 500; }
  .desktop-nav a::after {
    position: absolute;
    right: 0;
    bottom: -.4rem;
    left: 0;
    height: 1px;
    transform: scaleX(0);
    transform-origin: right;
    background: currentColor;
    content: "";
    transition: transform var(--duration-base) var(--ease-out);
  }
  .desktop-nav a[aria-current="location"]::after { transform: scaleX(1); transform-origin: left; }
  .menu-toggle { display: none; width: 2.75rem; height: 2.75rem; padding: .7rem; border: 0; background: none; cursor: pointer; }
  .menu-toggle > span:not(.sr-only) { display: block; width: 100%; height: 1px; background: currentColor; transition: transform var(--duration-base) ease; }
  .menu-toggle > span:last-child { margin-top: .45rem; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(.25rem) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-.25rem) rotate(-45deg); }
  .mobile-nav { position: fixed; inset: var(--header-height) 0 0; overflow-y: auto; overscroll-behavior: contain; visibility: hidden; opacity: 0; pointer-events: none; background: var(--color-bg); transition: opacity var(--duration-base) ease, visibility var(--duration-base) ease; }
  .mobile-nav.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
  .mobile-nav__inner { display: flex; flex-direction: column; min-height: calc(100dvh - var(--header-height)); padding-block: var(--space-6); padding-bottom: max(var(--space-6), env(safe-area-inset-bottom)); }
  .mobile-nav a { padding-block: .3rem; font-size: clamp(2rem, 10vw, 3.25rem); font-weight: 600; line-height: 1.25; letter-spacing: -.035em; }

  .project-image { position: relative; overflow: hidden; background: var(--color-surface-muted); }
  .project-image img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform var(--duration-slow) var(--ease-out); }
  .project-image--contain img { object-fit: contain; }
  .project-image figcaption {
    position: absolute;
    right: var(--space-4);
    bottom: var(--space-4);
    max-width: calc(100% - 2rem);
    padding: .55rem .75rem;
    background: var(--color-text);
    color: var(--color-inverse);
    font-size: .75rem;
    line-height: 1.4;
  }
}

@layer sections {
  .hero { padding-block: clamp(3.25rem, 5vw, 5rem) 0; }
  .hero__intro > .eyebrow { padding-bottom: var(--space-5); border-bottom: 1px solid var(--color-border-strong); }
  .hero h1 { margin-top: clamp(2rem, 3vw, 3.5rem); }
  .hero__role {
    display: block;
    font-size: clamp(4.5rem, 10.5vw, 9.5rem);
    font-weight: 600;
    line-height: .82;
    letter-spacing: -.065em;
    white-space: nowrap;
  }
  .hero__statement {
    display: block;
    max-width: 18ch;
    margin-top: clamp(2rem, 3vw, 3.5rem);
    font-size: clamp(2.25rem, 4.4vw, 4.5rem);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -.045em;
  }
  .hero__detail {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-5);
    align-items: start;
    margin-top: clamp(2.5rem, 4vw, 4rem);
  }
  .hero__description {
    grid-column: 1 / span 6;
    max-width: 40rem;
    color: var(--color-text-secondary);
    font-size: var(--text-lead);
    line-height: 1.65;
  }
  .hero__facts { grid-column: 8 / -1; border-top: 1px solid var(--color-border-strong); }
  .hero__facts > div { display: grid; grid-template-columns: 6.5rem 1fr; gap: var(--space-4); padding-block: .85rem; border-bottom: 1px solid var(--color-border); }
  .hero__facts dt { color: var(--color-text-muted); font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; }
  .hero__facts dd { font-size: .9375rem; font-weight: 500; }
  .hero-preview { display: block; margin-top: clamp(2.5rem, 4vw, 4rem); }
  .hero-preview__image { aspect-ratio: 16 / 7; overflow: hidden; background: var(--color-surface-muted); }
  .hero-preview__image img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; transition: transform var(--duration-slow) var(--ease-out); }
  .hero-preview__caption {
    display: grid;
    grid-template-columns: 2fr 7fr 3fr;
    gap: var(--space-5);
    align-items: center;
    padding-block: var(--space-4);
    border-bottom: 1px solid var(--color-border-strong);
    font-size: var(--text-small);
  }
  .hero-preview__caption > span { color: var(--color-text-muted); }
  .hero-preview__caption strong { font-size: .9375rem; font-weight: 600; }
  .hero-preview__caption > span:last-child { color: var(--color-text); text-align: right; }
  .hero-preview__caption i { display: inline-block; margin-left: var(--space-2); font-style: normal; transition: transform var(--duration-base) var(--ease-out); }
  .hero-preview__source { margin-top: var(--space-2); color: var(--color-text-secondary); font-size: .75rem; }

  .featured { padding-top: 0; }
  .featured-project { padding-bottom: clamp(var(--space-10), 13vw, var(--space-12)); }
  .featured-project:last-child { padding-bottom: 0; }
  .featured-project__layout {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-5);
    align-items: start;
  }
  .project-visual { display: block; overflow: hidden; }
  .project-visual .project-image { aspect-ratio: 16 / 8.25; }
  .featured-project__content { border-top: 1px solid var(--color-border-strong); padding-top: var(--space-5); }
  .project-heading { display: grid; grid-template-columns: 5.75rem 1fr; gap: var(--space-4); align-items: start; }
  .project-number {
    color: var(--color-accent);
    font-size: clamp(2.5rem, 4.5vw, 4.75rem);
    font-weight: 500;
    line-height: .9;
    letter-spacing: -.06em;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
  }
  .project-kicker { margin-bottom: var(--space-3); color: var(--color-text-muted); font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
  .project-heading h3 { font-size: var(--text-project); font-weight: 600; line-height: 1.08; letter-spacing: -.035em; }
  .project-overview { color: var(--color-text-secondary); line-height: 1.7; }
  .project-facts { border-top: 1px solid var(--color-border-strong); }
  .project-facts > div { padding-block: var(--space-3); border-bottom: 1px solid var(--color-border); }
  .project-facts dt, .project-tech > p { color: var(--color-text-muted); font-size: .6875rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
  .project-facts dd { margin-top: .3rem; font-size: .875rem; font-weight: 500; line-height: 1.5; }
  .project-tech { padding-top: var(--space-4); border-top: 1px solid var(--color-border-strong); }
  .project-tech ul { display: flex; flex-wrap: wrap; gap: .25rem var(--space-3); margin-top: var(--space-3); }
  .project-tech li { color: var(--color-text-secondary); font-size: .8125rem; line-height: 1.45; }
  .project-tech li:not(:last-child)::after { margin-left: var(--space-3); color: var(--color-border-strong); content: "/"; }
  .project-cta { margin-top: var(--space-5); }

  .featured-project--lead .project-visual { grid-column: 1 / -1; }
  .featured-project--lead .featured-project__content {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-5);
  }
  .featured-project--lead .project-heading { grid-column: 1 / span 7; }
  .featured-project--lead .project-overview { grid-column: 8 / -1; max-width: 34rem; }
  .featured-project--lead .project-facts { grid-column: 1 / span 9; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: var(--space-7); }
  .featured-project--lead .project-facts > div { padding-right: var(--space-4); }
  .featured-project--lead .project-facts > div + div { padding-left: var(--space-4); border-left: 1px solid var(--color-border); }
  .featured-project--lead .project-tech { grid-column: 10 / -1; margin-top: var(--space-7); }
  .featured-project--lead .project-cta { grid-column: 10 / -1; }

  .featured-project--split .project-visual { grid-column: 1 / span 8; }
  .featured-project--split .project-visual .project-image { aspect-ratio: 5 / 4; }
  .featured-project--split .featured-project__content { grid-column: 9 / -1; }
  .featured-project--split .project-heading, .featured-project--reverse .project-heading { display: block; }
  .featured-project--split .project-number, .featured-project--reverse .project-number { margin-bottom: clamp(var(--space-7), 5vw, var(--space-9)); }
  .featured-project--split .project-overview, .featured-project--reverse .project-overview { margin-top: var(--space-6); }
  .featured-project--split .project-facts, .featured-project--reverse .project-facts { margin-top: var(--space-7); }
  .featured-project--split .project-tech, .featured-project--reverse .project-tech { margin-top: var(--space-6); }

  .featured-project--reverse .project-visual { grid-column: 6 / -1; grid-row: 1; }
  .featured-project--reverse .project-visual .project-image { aspect-ratio: 4 / 3; }
  .featured-project--reverse .featured-project__content { grid-column: 1 / span 4; grid-row: 1; }

  .commercial { padding-block: clamp(4.5rem, 7vw, 7.5rem); border-top: 1px solid var(--color-border); background: var(--color-surface); }
  .commercial .section-heading { padding-bottom: var(--space-8); }
  .commercial .section-heading .commercial-source { margin-top: var(--space-3); font-size: .875rem; }
  .commercial-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(var(--space-8), 7vw, var(--space-9)) var(--space-5);
    align-items: start;
  }
  .commercial-work { min-width: 0; }
  .commercial-work--wide { grid-column: span 7; }
  .commercial-work--compact { grid-column: span 4; }
  .commercial-work--wide + .commercial-work--compact { grid-column: 9 / -1; margin-top: var(--space-10); }
  .commercial-work--compact + .commercial-work--wide { grid-column: 6 / -1; margin-top: var(--space-10); }
  .commercial-work--medium { grid-column: span 6; }
  .commercial-work--medium + .commercial-work--medium { grid-column: 8 / -1; margin-top: var(--space-9); }
  .commercial-work--final { grid-column: 3 / span 8; }
  .commercial-work__image { overflow: hidden; background: var(--color-surface-muted); }
  .commercial-work__image picture { display: block; }
  .commercial-work__image img { width: 100%; height: auto; transition: transform var(--duration-slow) var(--ease-out); }
  .commercial-work--logo .commercial-work__image { background: #fff; }
  .commercial-work--logo .commercial-work__image img { padding: 8%; }
  .commercial-work__note { padding-top: var(--space-2); color: var(--color-text-secondary); font-size: .75rem; }
  .commercial-work__heading {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: var(--space-4);
    align-items: baseline;
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-strong);
  }
  .commercial-work__heading p { color: var(--color-accent); font-size: .75rem; font-weight: 600; letter-spacing: .06em; }
  .commercial-work h3 { font-size: clamp(1.75rem, 3vw, 3.25rem); font-weight: 600; line-height: 1.05; letter-spacing: -.035em; }
  .commercial-work__facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: var(--space-5); border-top: 1px solid var(--color-border); }
  .commercial-work__facts > div { min-width: 0; padding: var(--space-3) var(--space-3) var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
  .commercial-work__facts > div:nth-child(even) { padding-left: var(--space-3); border-left: 1px solid var(--color-border); }
  .commercial-work__facts dt { color: var(--color-text-muted); font-size: .6875rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
  .commercial-work__facts dd { margin-top: .3rem; font-size: .8125rem; font-weight: 500; line-height: 1.5; }

  .experience-list { border-top: 1px solid var(--color-border-strong); }
  .experience-list > li { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-5); padding-block: var(--space-7); border-bottom: 1px solid var(--color-border); }
  .experience-period { grid-column: 1 / span 2; color: var(--color-text-secondary); font-size: var(--text-small); }
  .experience-company { grid-column: 3 / span 3; }
  .experience-company h3 { font-size: var(--text-subheading); font-weight: 600; line-height: 1.3; }
  .experience-company p { margin-top: var(--space-2); color: var(--color-text-muted); font-size: .875rem; }
  .experience-description { grid-column: 6 / -1; }
  .experience-description p { font-size: var(--text-lead); font-weight: 500; line-height: 1.5; }
  .experience-description span { display: block; margin-top: var(--space-3); color: var(--color-text-secondary); }
  .experience-description a { display: inline-block; margin-top: var(--space-5); font-size: .875rem; font-weight: 600; text-decoration: underline; text-underline-offset: .3em; }

  .capabilities { padding-block: clamp(4rem, 6vw, 6rem); background: var(--color-surface-muted); }
  .workflow { padding-block: clamp(4rem, 6vw, 6rem); }
  .capabilities .section-heading, .workflow .section-heading { padding-bottom: var(--space-8); }
  .capability-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
  .capability-group { padding-top: var(--space-4); border-top: 1px solid var(--color-border-strong); }
  .capability-group > p { color: var(--color-accent); font-size: .75rem; }
  .capability-group h3 { min-height: 4rem; margin-top: var(--space-4); font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
  .capability-group ul { margin-top: var(--space-5); }
  .capability-group li { padding-block: .55rem; border-bottom: 1px solid var(--color-border); color: var(--color-text-secondary); font-size: .9375rem; line-height: 1.5; }

  .workflow-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--color-border-strong); border-left: 1px solid var(--color-border); }
  .workflow-list li { min-height: 11rem; padding: var(--space-5); border-right: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
  .workflow-list span { color: var(--color-accent); font-size: .75rem; }
  .workflow-list h3 { margin-top: var(--space-6); font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
  .workflow-list p { margin-top: var(--space-4); color: var(--color-text-secondary); font-size: .9375rem; line-height: 1.65; }

  .about { background: var(--color-text); color: var(--color-inverse); }
  .about__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-5); }
  .about .section-heading { grid-column: 1 / span 3; display: block; border-top-color: rgba(255,255,255,.45); }
  .about .section-heading h2 { margin-top: var(--space-4); }
  .about__content { grid-column: 5 / -1; }
  .about__lead { max-width: 30ch; font-size: clamp(2rem, 4vw, 3.75rem); font-weight: 500; line-height: 1.2; letter-spacing: -.035em; }
  .about__content > p:not(.about__lead) { max-width: 43rem; margin-top: var(--space-6); color: rgba(247,245,240,.72); }
  .about__facts { margin-top: var(--space-9); border-top: 1px solid rgba(255,255,255,.35); }
  .about__facts > div { display: grid; grid-template-columns: 9rem 1fr; gap: var(--space-5); padding-block: var(--space-4); border-bottom: 1px solid rgba(255,255,255,.18); }
  .about__facts dt { color: rgba(247,245,240,.55); font-size: .75rem; text-transform: uppercase; }
  .about__facts dd { font-size: .9375rem; }

  .contact { padding-block: clamp(var(--space-9), 13vw, var(--space-12)); }
  .contact__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-5); }
  .contact__grid > div:first-child { grid-column: 1 / span 7; }
  .contact h2 { margin-top: var(--space-6); font-size: clamp(2rem, 4vw, 4rem); font-weight: 500; line-height: 1.2; letter-spacing: -.035em; }
  .contact__links { grid-column: 9 / -1; border-top: 1px solid var(--color-border-strong); }
  .contact__links a { display: grid; grid-template-columns: 5rem 1fr auto; gap: var(--space-3); align-items: center; min-height: 4.5rem; border-bottom: 1px solid var(--color-border); }
  .contact__links span { color: var(--color-text-muted); font-size: .75rem; text-transform: uppercase; }
  .contact__links strong { font-size: .9375rem; font-weight: 500; }
  .contact__links i { font-style: normal; transition: transform var(--duration-base) var(--ease-out); }

  .site-footer { padding-block: var(--space-7); border-top: 1px solid var(--color-border); }
  .site-footer__inner { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-5); align-items: end; font-size: .8125rem; }
  .site-footer__inner > div { grid-column: 1 / span 4; }
  .site-footer__inner > div span { display: block; margin-top: .2rem; color: var(--color-text-muted); }
  .site-footer nav { grid-column: 6 / span 4; display: flex; gap: var(--space-5); }
  .site-footer nav a { text-decoration: underline; text-underline-offset: .3em; }
  .site-footer__inner > p { grid-column: 11 / -1; color: var(--color-text-muted); text-align: right; }
}

@layer utilities {
  .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; }
  .js [data-reveal].is-visible { animation: reveal-in var(--duration-slow) var(--ease-out) both; }
  @keyframes reveal-in { from { opacity: .65; transform: translateY(.5rem); } to { opacity: 1; transform: none; } }
  body.menu-open { overflow: hidden; }
}

@layer responsive {
  @media (hover: hover) and (pointer: fine) {
    .desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
    .text-link:hover { color: var(--color-accent-hover); }
    .text-link:hover span, .contact__links a:hover i { transform: translateX(.25rem); }
    .project-image-link:hover img, .project-visual:hover img, .commercial-work:hover .commercial-work__image img { transform: scale(1.015); }
    .hero-preview:hover .hero-preview__image img { transform: scale(1.01); }
    .hero-preview:hover .hero-preview__caption i { transform: translateY(.25rem); }
    .experience-description a:hover, .site-footer a:hover { color: var(--color-accent-hover); }
  }

  @media (max-width: 74.9375rem) {
    :root { --gutter: clamp(2rem, 5vw, 2.5rem); }
    .hero__role { font-size: clamp(4.5rem, 11vw, 8rem); }
    .hero__description { grid-column: 1 / span 7; }
    .hero__facts { grid-column: 8 / -1; }
    .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-8); }
    .workflow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .contact__grid > div:first-child { grid-column: 1 / span 7; }
    .contact__links { grid-column: 8 / -1; }
  }

  @media (max-width: 64rem) {
    .featured-project__layout { display: block; }
    .featured-project__content { margin-top: var(--space-6); }
    .featured-project--lead .featured-project__content { display: grid; }
    .featured-project--lead .project-heading { grid-column: 1 / span 7; }
    .featured-project--lead .project-overview { grid-column: 8 / -1; }
    .featured-project--lead .project-facts { grid-column: 1 / -1; }
    .featured-project--lead .project-tech { grid-column: 1 / span 8; margin-top: var(--space-6); }
    .featured-project--lead .project-cta { grid-column: 10 / -1; align-self: end; }
    .featured-project--split .project-visual .project-image,
    .featured-project--reverse .project-visual .project-image { aspect-ratio: 16 / 9; }
    .featured-project--split .featured-project__content,
    .featured-project--reverse .featured-project__content {
      display: grid;
      grid-template-columns: repeat(12, minmax(0, 1fr));
      gap: var(--space-5);
    }
    .featured-project--split .project-heading,
    .featured-project--reverse .project-heading { grid-column: 1 / span 6; }
    .featured-project--split .project-overview,
    .featured-project--reverse .project-overview { grid-column: 7 / -1; margin-top: 0; }
    .featured-project--split .project-facts,
    .featured-project--reverse .project-facts { grid-column: 1 / span 8; margin-top: var(--space-6); }
    .featured-project--split .project-tech,
    .featured-project--reverse .project-tech { grid-column: 9 / -1; margin-top: var(--space-6); }
    .featured-project--split .project-cta,
    .featured-project--reverse .project-cta { grid-column: 9 / -1; }

    .commercial-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-10) var(--space-5); }
    .commercial-grid > .commercial-work { grid-column: auto; margin-top: 0; }
    .commercial-grid > .commercial-work--final { grid-column: 1 / -1; width: calc(50% - (var(--space-5) / 2)); margin-inline: auto; }
  }

  @media (max-width: 47.9375rem) {
    :root { --header-height: 4rem; --gutter: 1.25rem; --section-space: 5rem; }
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .site-logo { font-size: .8125rem; }
    .mobile-nav a { display: flex; align-items: center; min-height: 3.25rem; padding-block: .4rem; }
    .text-link { min-height: 2.75rem; padding-block: .55rem; }
    .section-heading { grid-template-columns: repeat(4, minmax(0, 1fr)); padding-top: var(--space-4); padding-bottom: var(--space-8); }
    .section-heading > .section-index { grid-column: 1 / span 1; }
    .section-heading > div { grid-column: 2 / -1; }
    .section-heading > div > p { margin-top: var(--space-4); font-size: .9375rem; }

    .hero { padding-top: var(--space-8); }
    .hero__intro > .eyebrow { padding-bottom: var(--space-4); }
    .hero h1 { margin-top: var(--space-6); }
    .hero__role { font-size: clamp(3.1rem, 15vw, 4.3rem); line-height: .92; white-space: normal; }
    .hero__statement { max-width: none; margin-top: var(--space-6); font-size: clamp(2rem, 9.5vw, 2.75rem); line-height: 1.12; }
    .hero__detail { display: block; margin-top: var(--space-6); }
    .hero__description { font-size: 1.0625rem; }
    .hero__facts { margin-top: var(--space-5); }
    .hero__facts > div { grid-template-columns: 5.75rem 1fr; }
    .hero-preview { margin-top: var(--space-6); }
    .hero-preview__image { aspect-ratio: auto; }
    .hero-preview__image img { height: auto; }
    .hero-preview__caption { grid-template-columns: 1fr auto; gap: var(--space-2); padding-block: var(--space-3); }
    .hero-preview__caption strong { grid-column: 1 / -1; grid-row: 2; }
    .hero-preview__caption > span:last-child { grid-column: 2; grid-row: 1; }

    .featured-project { padding-bottom: var(--space-9); }
    .featured-project--lead .project-visual .project-image,
    .featured-project--split .project-visual .project-image,
    .featured-project--reverse .project-visual .project-image { aspect-ratio: auto; }
    .project-image img { height: auto; }
    .featured-project--lead .featured-project__content,
    .featured-project--split .featured-project__content,
    .featured-project--reverse .featured-project__content { display: block; margin-top: var(--space-5); }
    .project-heading,
    .featured-project--split .project-heading,
    .featured-project--reverse .project-heading { display: grid; grid-template-columns: 3.5rem 1fr; gap: var(--space-4); }
    .project-number,
    .featured-project--split .project-number,
    .featured-project--reverse .project-number { margin: 0; font-size: 2.5rem; }
    .project-heading h3 { font-size: clamp(1.75rem, 8.2vw, 2.25rem); line-height: 1.12; }
    .project-overview,
    .featured-project--split .project-overview,
    .featured-project--reverse .project-overview { margin-top: var(--space-6); }
    .project-facts,
    .featured-project--lead .project-facts,
    .featured-project--split .project-facts,
    .featured-project--reverse .project-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: var(--space-7); }
    .project-facts > div { padding-right: var(--space-3); }
    .featured-project--lead .project-facts > div + div { padding-left: 0; border-left: 0; }
    .project-facts > div:nth-child(even) { padding-left: var(--space-3); border-left: 1px solid var(--color-border); }
    .project-facts > div:nth-last-child(-n + 2) { border-bottom: 0; }
    .project-tech,
    .featured-project--lead .project-tech,
    .featured-project--split .project-tech,
    .featured-project--reverse .project-tech { margin-top: var(--space-7); }
    .project-cta { margin-top: var(--space-6); }
    .project-image figcaption { position: static; max-width: none; padding: var(--space-3) var(--space-4); }

    .commercial-grid { grid-template-columns: 1fr; gap: var(--space-7); }
    .commercial-grid > .commercial-work,
    .commercial-grid > .commercial-work--final { grid-column: 1 / -1; width: auto; margin: 0; }
    .commercial-work__image { aspect-ratio: auto; }
    .commercial-work__heading { grid-template-columns: 2.25rem 1fr; margin-top: var(--space-4); }
    .commercial-work h3 { font-size: clamp(1.75rem, 8.5vw, 2.25rem); line-height: 1.1; }

    .experience-list > li { grid-template-columns: repeat(4, minmax(0, 1fr)); padding-block: var(--space-6); }
    .experience-period { grid-column: 1 / -1; }
    .experience-company { grid-column: 1 / -1; margin-top: var(--space-3); }
    .experience-description { grid-column: 1 / -1; margin-top: var(--space-3); }
    .experience-description p { font-size: 1.0625rem; }
    .experience-description a { display: inline-flex; align-items: center; min-height: 2.75rem; padding-block: .55rem; }

    .capability-grid { grid-template-columns: 1fr; row-gap: var(--space-6); }
    .capability-group h3 { min-height: 0; }
    .workflow-list { grid-template-columns: 1fr; border-left: 0; }
    .workflow-list li { min-height: 0; padding: var(--space-4) 0 var(--space-5); border-right: 0; }
    .workflow-list h3 { margin-top: var(--space-5); }

    .about__grid { display: block; }
    .about .section-heading { display: grid; }
    .about .section-heading h2 { grid-column: 2 / -1; margin-top: 0; }
    .about__content { margin-top: var(--space-3); }
    .about__lead { font-size: clamp(1.9rem, 8.2vw, 2.5rem); line-height: 1.25; }
    .about__facts { margin-top: var(--space-8); }
    .about__facts > div { grid-template-columns: 6.5rem 1fr; }

    .contact__grid { display: block; }
    .contact h2 { font-size: clamp(2rem, 9vw, 3rem); }
    .contact__links { margin-top: var(--space-8); }
    .contact__links a { grid-template-columns: 4rem 1fr auto; }

    .site-footer__inner { display: block; }
    .site-footer nav { margin-top: var(--space-6); flex-wrap: wrap; }
    .site-footer nav a { display: inline-flex; align-items: center; min-height: 2.75rem; padding-block: .5rem; }
    .site-footer__inner > p { margin-top: var(--space-6); text-align: left; }

    /* 긴 모바일 페이지에서는 정보 탐색을 우선하고 장식성 등장 모션을 제거합니다. */
    .js [data-reveal].is-visible { animation: none; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .js [data-reveal].is-visible { animation: none; }
  }
}