.player-actions .detail-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 118px;
  height: 38px;
  margin: 0;
  line-height: 1;
  white-space: nowrap;
  vertical-align: middle;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, min(840px, 100%));
  justify-content: center;
  align-items: center;
  min-height: var(--page-stage-min);
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
}

.about-grid > *,
.contact-grid > * {
  min-width: 0;
}

.about-title,
.contact-title {
  font-size: var(--fs-h2);
  line-height: 1.04;
}

.about-text,
.contact-text {
  max-width: 740px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.85;
  font-weight: 500;
}

.info-card {
  position: relative;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.08), transparent 30%),
    repeating-linear-gradient(112deg, transparent 0 10px, rgba(245, 245, 240, 0.008) 10px 11px, transparent 11px 21px),
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 46%),
    linear-gradient(180deg, rgba(245, 245, 240, 0.026), rgba(245, 245, 240, 0.008)),
    var(--surface);
  box-shadow:
    var(--shadow-material-soft),
    var(--shadow-emboss-soft);
  overflow: hidden;
}

.info-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.045), transparent),
    repeating-linear-gradient(112deg, transparent 0 9px, rgba(245, 245, 240, 0.01) 9px 10px, transparent 10px 18px),
    repeating-linear-gradient(90deg, rgba(245, 245, 240, 0.02) 0 1px, transparent 1px 8px);
  opacity: 0.56;
  pointer-events: none;
}

.info-card > * {
  position: relative;
  z-index: 1;
}

.info-card .label {
  display: block;
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
}

.info-card strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(26px, 4vw, 48px);
  line-height: 1.04;
  letter-spacing: 0;
  font-weight: 850;
  word-break: break-word;
}

body.player-open {
  overflow: hidden;
}

.video-player {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3vw, 34px);
  background: rgba(0,0,0,0.56);
  overscroll-behavior: contain;
}

.video-player.is-closing {
  pointer-events: none;
}

@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)) {
  .video-player {
    background: rgba(0,0,0,0.46);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

.player-shell {
  position: relative;
  width: min(1460px, 100%);
  max-height: min(900px, calc(100dvh - 28px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, clamp(380px, 32vw, 460px));
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 74% 8%, rgba(245, 245, 240, 0.055), transparent 28%),
    repeating-linear-gradient(112deg, transparent 0 10px, rgba(245, 245, 240, 0.007) 10px 11px, transparent 11px 21px),
    linear-gradient(145deg, rgba(255, 255, 255, 0.038), transparent 42%),
    #030303;
  box-shadow:
    0 42px 120px rgba(0, 0, 0, 0.72),
    0 0 0 1px rgba(245, 245, 240, 0.055),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    var(--shadow-emboss-soft);
  overflow: hidden;
}

.player-frame-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border-right: 1px solid var(--line);
}

.player-frame-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.player-info {
  display: grid;
  align-content: start;
  gap: 18px;
  min-width: 0;
  padding: clamp(18px, 3vw, 30px);
  background:
    linear-gradient(180deg, rgba(245, 245, 240, 0.026), transparent 36%),
    repeating-linear-gradient(112deg, rgba(245, 245, 240, 0.006) 0 1px, transparent 1px 10px),
    repeating-linear-gradient(90deg, rgba(245, 245, 240, 0.014) 0 1px, transparent 1px 9px);
  overflow-y: auto;
  overflow-x: hidden;
}

.player-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
}

.player-close {
  min-width: 42px;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.12), transparent 38%),
    repeating-linear-gradient(112deg, transparent 0 9px, rgba(245, 245, 240, 0.018) 9px 10px, transparent 10px 18px),
    transparent;
  box-shadow: var(--shadow-emboss-soft);
  font-size: 20px;
  line-height: 1;
  transition: background 180ms var(--ease), box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.player-close:hover {
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.16), transparent 38%),
    repeating-linear-gradient(112deg, transparent 0 9px, rgba(245, 245, 240, 0.02) 9px 10px, transparent 10px 18px),
    rgba(245,245,240,0.08);
  box-shadow:
    var(--shadow-emboss-soft),
    0 0 20px rgba(245, 245, 240, 0.045);
}

.player-title {
  margin: 0;
  max-width: 100%;
  font-size: clamp(15px, 1.35vw, 23px);
  line-height: 1.24;
  letter-spacing: 0;
  font-weight: 850;
  white-space: normal;
  overflow-wrap: anywhere;
  padding-bottom: 0;
}

.player-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
  font-weight: 500;
  white-space: pre-wrap;
}

.player-meta {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--fs-small);
  line-height: 1.55;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 700;
}

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

.hidden {
  display: none !important;
}

.page-view {
  position: relative;
  width: 100%;
}

.page-view.inactive {
  display: none;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.reveal-block {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  :root {
    --topbar-space: 102px;
  }

  .topbar {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
  }

  .brand {
    min-height: 44px;
    justify-self: start;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: min(280px, calc(100vw - 32px - var(--safe-left) - var(--safe-right)));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(245, 245, 240, 0.18);
    background: rgba(5, 5, 5, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    z-index: 90;
    overflow-x: visible;
    scrollbar-width: auto;
  }

  .nav-links::-webkit-scrollbar {
    display: block;
  }

  .nav-links.is-open {
    display: flex;
    animation: navReveal 220ms var(--ease) both;
  }

  @keyframes navReveal {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .nav-btn {
    justify-content: flex-start;
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
    text-align: left;
  }

  .hero,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-text,
  .contact-text {
    line-height: 1.72;
  }

  .hero-slice-stage {
    min-height: 720px;
  }

  .hero-slice-field {
    top: 244px;
    left: 50%;
    width: min(88%, calc(100vw - 178px));
  }

  .hero-copy {
    left: 28px;
    right: 28px;
    bottom: 138px;
    width: auto;
  }

  .hero-actions {
    bottom: 76px;
    width: min(460px, 100%);
  }

  .hero-slice-index.bottom {
    left: 28px;
    right: 28px;
    bottom: 42px;
  }

  .projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects.grid-mode {
    min-height: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 1px 0 0 1px;
    perspective: none;
    contain: none;
    background: none;
  }

  .projects.grid-mode::before,
  .projects.grid-mode::after,
  .projects.grid-mode .clue-lines,
  .projects.grid-mode .clue-endpoint {
    display: none;
  }

  .projects.grid-mode .project-card {
    position: relative;
    left: auto;
    top: auto;
    z-index: 1;
    width: auto;
    min-height: 360px;
    margin: -1px 0 0 -1px;
    transform: none;
    filter: none !important;
    opacity: 1 !important;
    box-shadow:
      0 16px 34px rgba(0, 0, 0, 0.44),
      0 6px 0 rgba(0, 0, 0, 0.32),
      inset 0 -24px 38px rgba(0, 0, 0, 0.22);
  }

  .projects.grid-mode .project-card .card-dot {
    top: 10px;
  }

  .projects.grid-mode .project-card .cover,
  .projects.grid-mode .project-card .project-title,
  .projects.grid-mode .project-card .project-meta,
  .projects.grid-mode .project-card .project-top {
    transform: none;
  }

  .projects.grid-mode.is-focus .project-card {
    pointer-events: auto;
  }

  .projects.grid-mode.is-focus .project-card:not(.is-focused):not(.is-matched) {
    opacity: 0.44 !important;
    filter: none !important;
  }

  .projects.grid-mode .project-card.is-focused {
    z-index: 8;
    border-color: rgba(245, 245, 240, 0.58);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.5);
  }

  .player-shell {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .player-frame-wrap {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  :root {
    --content: min(100vw - 16px - var(--safe-left) - var(--safe-right), 1360px);
    --fs-hero: clamp(52px, 18vw, 92px);
    --fs-body: clamp(15px, 4.2vw, 17px);
  }

  body::before {
    background-size: 42px 42px;
  }

  .site {
    padding-top: 0;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .hero-slice-stage {
    min-height: 560px;
  }

  .hero-slice-field {
    top: 126px;
    left: 50%;
    width: min(94vw, 360px);
  }

  .hero-slice-index.top {
    top: 152px;
    right: 14px;
  }

  .hero-slice-index.bottom {
    left: 14px;
    right: 14px;
    bottom: 34px;
    text-align: center;
  }

  .hero-copy {
    left: 14px;
    right: 14px;
    bottom: 142px;
    width: auto;
    max-width: none;
    font-family: var(--font-page);
    line-height: 1.38;
    text-align: center;
    transform: none;
  }

  .hero-actions {
    bottom: 82px;
    width: min(100%, 340px);
    padding: 0 10px;
    gap: 10px;
  }

  .hero-cta {
    min-width: 118px;
    min-height: 46px;
    padding: 0 16px;
    font-family: var(--font-page);
    font-size: 14px;
  }

  .section-head {
    grid-template-columns: 1fr;
    padding-top: 46px;
  }

  .projects,
  .projects.grid-mode { grid-template-columns: 1fr; gap: 10px; padding: 10px 0 0; }

  .projects.grid-mode .project-card,
  .project-card { min-height: 148px; }

  .projects.grid-mode .project-card { display: grid; grid-template-columns: 112px minmax(0, 1fr); grid-template-rows: auto; column-gap: 14px; align-items: start; padding: 12px; }
  .projects.grid-mode .project-card .cover { grid-column: 1; grid-row: 1; width: 112px; height: 78px; margin: 0; }
  .projects.grid-mode .project-card > div { display: grid; gap: 8px; align-content: start; }
  .projects.grid-mode .project-card .project-top,
  .projects.grid-mode .project-card .project-meta { margin: 0; }
  .projects.grid-mode .project-card .project-title { min-height: 0; font-size: 15px; }
  .projects.grid-mode .project-card .card-dot { display: block; left: 18px; top: 18px; }

  .topbar {
    min-height: 64px;
    padding: 12px 0;
  }

  .brand {
    font-size: 18px;
  }

  .nav-toggle {
    width: 44px;
    height: 44px;
  }

  .nav-btn,
  .detail-btn {
    min-height: 44px;
  }

  .nav-btn {
    padding: 0 13px;
  }

  .nav-links {
    right: 16px;
    left: 16px;
    width: auto;
  }

  .project-card:hover {
    background: var(--bg);
  }

  .video-player {
    padding: 10px;
    align-items: center;
  }

  .player-shell {
    max-height: calc(100dvh - 20px);
  }

  .player-info {
    padding: 18px;
  }
}