:root {
  --ink: #1f2430;
  --body: #4d5565;
  --muted: #7b8495;
  --line: #dbe2ec;
  --paper: #fbfcff;
  --soft: #f3f6fb;
  --soft-accent: #e6edf7;
  --accent: #6f8fb7;
  --accent-dark: #3f628e;
  --deep: #202632;
  --panel: #ffffff;
  --shadow: 0 18px 48px rgba(31, 36, 48, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "IBM Plex Sans KR", system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.68;
  word-break: keep-all;
}
button, a { font: inherit; }
button { border: 0; background: none; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible,
a:focus-visible {
  outline: 3px solid #6f8fb7;
  outline-offset: 4px;
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 28px clamp(24px, 8vw, 120px);
  color: var(--ink);
}
.brand { font-size: 20px; font-weight: 700; letter-spacing: .01em; }
.nav-links { display: flex; gap: clamp(18px, 3vw, 38px); align-items: center; font-size: 15px; font-weight: 600; }
.nav-links button { opacity: 0.76; transition: opacity .2s ease; }
.nav-links button:hover { opacity: 1; }

.hero {
  position: relative;
  display: grid;
  min-height: 690px;
  place-items: center;
  overflow: hidden;
  color: var(--ink);
  text-align: center;
  background:
    repeating-linear-gradient(90deg, rgba(111, 143, 183, 0.08) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(111, 143, 183, 0.06) 0 1px, transparent 1px 96px),
    radial-gradient(circle at 75% 28%, rgba(111, 143, 183, 0.2), transparent 34%),
    linear-gradient(135deg, #f8fbff 0%, #edf3fb 56%, #fdfcff 100%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.38), transparent 34%, transparent 70%, rgba(255, 255, 255, 0.34)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 58%, rgba(111, 143, 183, 0.08));
}
.hero-content { position: relative; z-index: 1; width: min(980px, calc(100% - 40px)); padding-top: 42px; }
.hero-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .22em;
}
.hero h1 {
  display: grid;
  gap: 8px;
  margin: 0;
  font-size: clamp(40px, 5.8vw, 72px);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.12;
}
.hero h1 span { display: block; }
.hero-line { width: 62px; height: 2px; margin: 34px auto 30px; border-radius: 999px; background: var(--accent); }
.hero-lead {
  max-width: 680px;
  margin: 0 auto;
  color: #4d5565;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  line-height: 1.75;
}
.cta-button {
  display: inline-flex;
  min-width: 156px;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  margin-top: 42px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--deep);
  color: #fff;
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 16px 36px rgba(31, 36, 48, .18);
}
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(31, 36, 48, .24);
}

.section { padding: clamp(78px, 8vw, 112px) clamp(22px, 8vw, 120px); }
.section-white { background: var(--paper); }
.section-yellow { background: var(--soft); }
.section-gray { background: var(--soft); }
.section-title {
  display: grid;
  justify-items: center;
  gap: 12px;
  margin-bottom: 48px;
  text-align: center;
}
.title-icon {
  display: block;
  width: 42px;
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--accent);
  color: transparent;
  font-size: 0;
  transform: none;
}
.section-title h2 {
  position: relative;
  margin: 0;
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.08;
}
.section-title h2::after { display: none; }
.section-copy {
  max-width: 680px;
  margin: 2px auto 0;
  color: var(--body);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.72;
}

.about-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1040px;
  margin: 0 auto;
}
.info-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 112px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.info-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--soft-accent);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
}
.info-item strong { display: block; font-size: 16px; font-weight: 700; }
.info-item p { margin: 5px 0 0; color: var(--body); line-height: 1.5; }
.about-story {
  max-width: 840px;
  margin: 42px auto 0;
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #fffdf6;
  background: #ffffff;
}
.about-story h3 { margin: 0 0 12px; font-size: 22px; font-weight: 600; line-height: 1.38; }
.about-story p { margin: 0; color: var(--body); line-height: 1.85; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}
.skill-group {
  min-height: 236px;
  padding: 28px 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: none;
}
.skill-group h3 { margin: 0 0 18px; color: var(--ink); font-size: 20px; font-weight: 700; }
.skill-group ul, .project-points { margin: 0; padding-left: 20px; }
.skill-group li + li, .project-points li + li { margin-top: 8px; }

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}
.archive-card {
  display: block;
  min-height: 168px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  box-shadow: none;
  transition: border-color .2s ease, transform .2s ease;
}
.archive-card:hover {
  transform: translateY(-2px);
  border-color: #d2d894;
}
.archive-card span { display: block; color: var(--accent-dark); font-weight: 700; }
.archive-card strong { display: block; margin: 6px 0 14px; font-size: 22px; font-weight: 600; overflow-wrap: anywhere; }
.archive-card p { margin: 0; color: var(--body); }

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
}
.project-list.reveal {
  transform: none;
  opacity: 1;
}
.project-tile {
  display: grid;
  align-content: start;
  min-height: 548px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
  color: var(--ink);
  text-align: left;
  box-shadow: 0 18px 48px rgba(36, 35, 31, 0.07);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.project-tile:hover {
  transform: translateY(-4px);
  border-color: #b8c46a;
  box-shadow: 0 24px 60px rgba(36, 35, 31, 0.12);
}
.project-tile img,
.study-visual {
  display: block;
  width: 100%;
  height: 282px;
  margin: 0 0 22px;
  overflow: hidden;
  border-radius: 12px;
  object-fit: cover;
  object-position: top center;
  background: #eef4ff;
}
.project-tile img.homekeeper-cover { margin-bottom: 6px; }
.tile-map-credit {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.study-visual {
  display: grid;
  place-items: center;
  color: #1f2430;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.12;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(111, 143, 183, 0.28), transparent 52%),
    linear-gradient(160deg, #e9f1fb 0%, #f8fbff 100%);
}
.tile-badge {
  width: fit-content;
  margin-bottom: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--soft-accent);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
.tile-badge.muted { background: #eef0ef; color: #68736e; }
.project-tile strong {
  margin-bottom: 5px;
  font-size: 27px;
  font-weight: 700;
  line-height: 1.2;
}
.project-tile p {
  min-height: 70px;
  margin: 0 0 18px;
  color: #575146;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.62;
}
.tile-outcome {
  align-self: start;
  width: fit-content;
  margin: -4px 0 18px;
  padding: 8px 11px;
  border-radius: 8px;
  background: #edf2d7;
  color: #53601c;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}
.tile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: end;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #687387;
  font-weight: 600;
  line-height: 1.5;
}
.stack-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fbff;
  color: #4f6482;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}
.stack-chip::before {
  display: grid;
  min-width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: #dbe8f7;
  color: #2f557f;
  content: attr(data-logo);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0;
}
.project-tile-link { text-decoration: none; }
.project-stack { display: grid; gap: 28px; max-width: 1180px; margin: 0 auto; }
.project-card {
  padding: clamp(18px, 2.8vw, 30px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  box-shadow: 0 20px 60px rgba(36, 35, 31, 0.06);
}
.project-card.reveal {
  transform: none;
  opacity: 1;
}
.project-card.hidden { display: none; }
.project-layout {
  display: grid;
  grid-template-columns: minmax(520px, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}
.project-layout.reverse .project-media { order: 2; }
.project-layout.reverse .project-body { order: 1; }
.project-media {
  align-self: start;
  position: sticky;
  top: 26px;
  overflow: hidden;
  width: 100%;
  margin: 0;
  border: 1px solid #dcd5c5;
  border-radius: 10px;
  background: #191916;
  aspect-ratio: 16 / 11;
  box-shadow: 0 24px 64px rgba(36, 35, 31, 0.12);
}
.project-media::before {
  position: absolute;
  top: 12px;
  left: 14px;
  z-index: 2;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e7644f;
  box-shadow: 14px 0 0 #e8c65a, 28px 0 0 #73aa6f;
  content: "";
}
.project-media img,
.project-media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.project-media video { background: #111; }
.project-media figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(17, 17, 15, 0.76);
  color: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  backdrop-filter: blur(8px);
}
.media-expand {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.92);
  color: var(--deep);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}
.project-body { min-width: 0; }
.project-head, .project-bottom, .metric-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.project-head { align-items: flex-start; }
.project-head h3 { margin: 0; font-size: clamp(30px, 3.2vw, 42px); font-weight: 700; line-height: 1.12; }
.period { margin: 8px 0 0; color: var(--muted); font-size: 15px; font-weight: 500; }
.badge {
  flex: 0 0 auto;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--soft-accent);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
}
.badge.muted { background: #eef0ef; color: #68736e; }
.project-card h4 {
  max-width: 760px;
  margin: 22px 0 18px;
  font-size: clamp(20px, 2.2vw, 25px);
  font-weight: 600;
  line-height: 1.42;
}
.project-points { max-width: 860px; color: var(--body); line-height: 1.78; }
.metric-label {
  margin: 0 0 9px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
}
.metric-row { flex-wrap: wrap; justify-content: flex-start; margin: 0 0 20px; }
.metric-row span {
  min-width: 138px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 600;
}
.metric-row strong { color: var(--accent-dark); font-weight: 700; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 16px;
}
.case-grid div {
  min-height: 106px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.case-grid span,
.architecture-title {
  display: block;
  margin: 0;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.case-grid p {
  margin: 8px 0 0;
  color: var(--body);
  font-size: 15px;
  line-height: 1.62;
}
.architecture-panel {
  display: grid;
  gap: 11px;
  margin: 0 0 16px;
  padding: 16px;
  border: 1px solid #d9d2bd;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(184, 196, 106, 0.14), transparent 50%), var(--panel);
}
.screen-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 18px;
}
.screen-thumb {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #171716;
  aspect-ratio: 4 / 3;
  color: #fff;
  cursor: pointer;
  padding: 0;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.screen-thumb.active {
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 2px rgba(184, 196, 106, 0.28);
}
.screen-thumb:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}
.screen-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform .25s ease;
}
.screen-thumb:hover img {
  transform: scale(1.035);
}
.screen-thumb span {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(17, 17, 15, 0.74);
  color: rgba(255, 255, 255, 0.9);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  backdrop-filter: blur(6px);
}
.image-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 36px;
  background: rgba(20, 20, 18, 0.82);
}
.image-modal.open {
  display: grid;
}
.image-modal figure {
  width: min(1180px, 94vw);
  margin: 0;
}
.image-modal img {
  display: block;
  width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 10px;
  background: #111;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
}
.image-modal figcaption {
  margin-top: 12px;
  color: #fff;
  font-weight: 600;
  text-align: center;
}
.modal-close {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 81;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fffdfa;
  color: var(--deep);
  font-size: 13px;
  font-weight: 700;
}
.architecture-title {
  margin: 0;
}
.architecture-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.architecture-flow span {
  position: relative;
  display: grid;
  min-height: 42px;
  place-items: center;
  padding: 8px 10px;
  border: 1px solid #ddd6c4;
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.architecture-flow span:not(:last-child)::after {
  position: absolute;
  right: -9px;
  z-index: 1;
  color: var(--accent-dark);
  content: "→";
  font-weight: 700;
}
.project-bottom { margin-top: 0; padding-top: 18px; border-top: 1px solid var(--line); }
.project-bottom p { margin: 0; color: var(--muted); font-weight: 500; line-height: 1.55; }
.project-bottom a {
  flex: 0 0 auto;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--deep);
  color: #fff;
  font-weight: 600;
}

.project-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  overflow-y: auto;
  padding: clamp(24px, 5vw, 56px);
  background: rgba(18, 18, 16, 0.86);
}
.project-modal.open {
  display: block;
}
.project-modal-panel {
  position: relative;
  width: min(1040px, 100%);
  min-height: min(860px, calc(100vh - 72px));
  margin: 0 auto;
  padding: clamp(22px, 4vw, 46px);
  border-radius: 28px;
  background: #fffdfa;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}
.project-modal-close {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 2;
  width: 48px;
  height: 48px;
  margin: 0;
  border-radius: 50%;
  color: #25231f;
  font-size: 40px;
  font-weight: 300;
  line-height: 1;
}
.project-detail-panel {
  display: none;
  clear: both;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
}
.project-detail-panel.active {
  display: grid;
}
.detail-visual {
  position: relative;
  top: auto;
  overflow: hidden;
  width: min(920px, 100%);
  margin: 0 auto 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
  box-shadow: 0 8px 28px rgba(36, 35, 31, 0.07);
}
.detail-slide-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: #f7f8fb;
}
.detail-slide-image.diagram-slide {
  object-fit: contain;
  background: #f7f8fb;
}
.detail-capture-note {
  margin: 0;
  padding: 0 22px 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.slide-button {
  position: static;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
}
.slide-button:hover { background: var(--soft-accent); border-color: var(--accent); }
.slide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
}
.slide-controls { display: flex; flex-shrink: 0; align-items: center; gap: 8px; }
.slide-counter { min-width: 44px; text-align: center; white-space: nowrap; font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--body); }
.detail-slide-caption {
  margin: 0;
  color: var(--body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
}
.detail-copy {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 6px 0 20px;
}
.detail-header { width: min(920px, 100%); margin: 0 auto 28px; }
.detail-eyebrow {
  display: inline-flex;
  margin-bottom: 16px;
  padding-right: 48px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}
.detail-header h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.04em;
}
.detail-intro {
  margin: 12px 0 24px;
  color: var(--body);
  font-size: 18px;
  font-weight: 500;
}
.detail-meta { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; margin: 0; padding-top: 18px; border-top: 1px solid var(--line); }
.detail-meta dt { margin-bottom: 4px; color: var(--muted); font-size: 12px; }
.detail-meta dd { margin: 0; color: var(--ink); font-size: 14px; font-weight: 600; }
.detail-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
}
.detail-chips .stack-chip {
  padding: 6px 10px;
  font-size: 13px;
}
.detail-copy section {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.detail-copy h4 {
  margin: 0 0 12px;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.35;
}
.detail-copy section p {
  margin: 0;
  color: var(--body);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.9;
}
.case-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 28px; }
.detail-copy .case-summary section { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--soft); }
.case-label { display: block; margin-bottom: 12px; color: var(--accent-dark); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.detail-copy .case-summary h4 { margin-bottom: 10px; font-size: 20px; }
.detail-copy .case-summary p { font-size: 15px; font-weight: 400; line-height: 1.75; }
.case-summary p strong { display: block; margin-bottom: 8px; color: var(--accent-dark); font-weight: 700; }
.detail-diagram {
  margin: 8px 0 28px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #f8fbff;
}
.detail-diagram.dark {
  background: #11181c;
}
.detail-diagram img {
  display: block;
  width: 100%;
  border-radius: 12px;
  background: #fff;
}
.detail-diagram figcaption {
  margin-top: 12px;
  color: var(--body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
}
.detail-diagram.dark figcaption {
  color: #dbe4df;
}
.detail-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  min-height: 52px;
  margin-top: 8px;
  padding: 0 24px;
  border-radius: 999px;
  background: #24231f;
  color: #fff;
  font-weight: 700;
}

.award-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; max-width: 1080px; margin: 0 auto; }
.award-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.award-grid span { color: var(--accent-dark); font-weight: 700; }
.award-grid strong { display: block; margin-top: 10px; font-size: 20px; font-weight: 600; }
.award-grid p { margin: 10px 0 0; color: var(--body); }

.contact { background: var(--deep); color: #fff; text-align: center; }
.contact h2 { max-width: 760px; margin: 0 auto; font-size: clamp(30px, 4vw, 48px); font-weight: 600; line-height: 1.32; }
.contact p { color: rgba(255,255,255,.78); }
.contact-actions { display: flex; justify-content: center; gap: 14px; margin-top: 28px; }
.contact-actions a { padding: 12px 20px; border-radius: 999px; background: #f7f4ec; color: var(--deep); font-weight: 600; }

.top-button {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 12;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--deep);
  color: #fff;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--shadow);
}
.top-button.visible { opacity: 1; pointer-events: auto; }
.reveal { transform: translateY(18px); opacity: 0; transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { transform: translateY(0); opacity: 1; }

@media (max-width: 980px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 14px; }
  .nav-links { flex-wrap: wrap; gap: 12px 20px; font-size: 14px; }
  .hero { min-height: 660px; }
  .about-list, .skills-grid, .archive-grid, .award-grid { grid-template-columns: 1fr 1fr; }
  .project-list { grid-template-columns: 1fr; }
  .project-layout,
  .project-layout.reverse {
    grid-template-columns: 1fr;
  }
  .project-media {
    position: relative;
    top: auto;
  }
  .project-layout.reverse .project-media,
  .project-layout.reverse .project-body {
    order: initial;
  }
  .project-detail-panel.active {
    grid-template-columns: 1fr;
  }
  .detail-visual {
    position: relative;
    top: auto;
  }
}

@media (max-width: 640px) {
  .site-header { padding: 20px; }
  .brand { font-size: 19px; }
  .nav-links { display: none; }
  .hero { min-height: 620px; }
  .hero-content { width: min(100% - 32px, 420px); }
  .hero h1 { font-size: clamp(32px, 10.5vw, 44px); }
  .hero h1 span { white-space: nowrap; }
  .hero-lead { font-size: 17px; line-height: 1.7; }
  .hero-lead br { display: none; }
  .section { padding: 64px 18px; }
  .about-list, .skills-grid, .archive-grid, .award-grid { grid-template-columns: 1fr; }
  .section-title { gap: 10px; }
  .project-tile {
    min-height: 0;
    padding: 16px;
    border-radius: 14px;
  }
  .project-tile img,
  .study-visual {
    height: 210px;
    margin-bottom: 18px;
  }
  .project-tile p {
    min-height: 0;
    font-size: 16px;
  }
  .project-card { padding: 24px 20px; }
  .project-head, .project-bottom { align-items: flex-start; flex-direction: column; }
  .project-media { aspect-ratio: 4 / 3; }
  .case-grid { grid-template-columns: 1fr; }
  .metric-row { display: grid; grid-template-columns: 1fr; }
  .metric-row span { min-width: 0; }
  .architecture-flow { grid-template-columns: 1fr; }
  .screen-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-modal { padding: 16px; }
  .project-modal-panel {
    min-height: calc(100vh - 32px);
    padding: 18px;
    border-radius: 20px;
  }
  .project-modal-close {
    top: 14px;
    right: 14px;
    width: 42px;
    height: 42px;
    font-size: 34px;
  }
  .detail-slide-image { aspect-ratio: 4 / 3; }
  .slide-footer { flex-direction: column; align-items: stretch; gap: 10px; padding: 12px; }
  .slide-controls { align-self: flex-end; }
  .detail-header { margin-bottom: 22px; }
  .detail-eyebrow { font-size: 10px; }
  .detail-intro { font-size: 16px; }
  .detail-meta { grid-template-columns: 1fr 1fr; gap: 14px; }
  .detail-meta > div:first-child { grid-column: 1 / -1; }
  .detail-meta dd { font-size: 13px; }
  .case-summary { grid-template-columns: 1fr; }
  .detail-copy h4 { font-size: 22px; }
  .detail-copy section p { font-size: 16px; line-height: 1.75; }
  .architecture-flow span:not(:last-child)::after {
    right: auto;
    bottom: -18px;
    transform: rotate(90deg);
  }
  .contact-actions { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* A shared frame preserves every project's actual screen without cropping. */
.project-tile img { padding: 12px; object-fit: contain; object-position: center; border: 1px solid var(--line); background: var(--soft); }
.detail-diagram { padding: 0; overflow: hidden; background: #faf9fd; }
.detail-diagram img { border-radius: 0; }
.detail-diagram figcaption { margin: 0; padding: 16px 22px; border-top: 1px solid var(--line); font-weight: 500; }
.detail-diagram.dark figcaption { border-color: #304248; }