*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #05080d;
  --bg2: #0a1018;
  --panel: #111925;
  --panel2: #162131;
  --ink: #edf4ff;
  --muted: #8a9aaf;
  --line: rgba(255,255,255,0.1);
  --line-strong: rgba(255,255,255,0.18);
  --cyan: #00f0c8;
  --blue: #57a4ff;
  --red: #ff4d6d;
  --amber: #ffd166;
  --shadow: rgba(0,0,0,0.42);
  --mono: 'IBM Plex Mono', monospace;
  --display: 'Space Grotesk', sans-serif;
  --body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  padding-left: 72px;
  background:
    radial-gradient(circle at 16% 12%, rgba(0,240,200,0.12), transparent 24rem),
    radial-gradient(circle at 88% 18%, rgba(87,164,255,0.12), transparent 26rem),
    var(--bg);
  background-size: auto, auto, auto;
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0 54%, rgba(0,240,200,0.055) 54% 55%, transparent 55%),
    radial-gradient(circle at 50% 120%, rgba(255,77,109,0.08), transparent 28rem);
}

a { color: inherit; text-decoration: none; }

.cover {
  min-height: 100vh;
  border-bottom: 1px solid var(--line);
}

.rail-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 72px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  padding: 1rem 0.75rem;
  background: rgba(5,8,13,0.94);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(16px);
  z-index: 10;
}

.rail-nav a {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.rail-nav a:hover { color: var(--cyan); }

.rail-hamburger {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  border: 0;
  background: none;
  cursor: pointer;
}

.rail-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--muted);
  transition: transform 0.25s, opacity 0.25s;
}

.rail-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.rail-hamburger.open span:nth-child(2) { opacity: 0; }
.rail-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
}

.cover-id {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(5,8,13,0.62);
  backdrop-filter: blur(14px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cover-id span { color: var(--cyan); }

.cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: min(1180px, calc(100% - 4rem));
  margin: 0 auto;
  padding: 4rem 0;
}

.stamp,
.case-meta,
.case-tags span,
.evidence-strip span,
.skills-ledger span,
.chronicle-heading span,
.outside-file span,
.briefing-label,
.alternate-footer {
  font-family: var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stamp {
  display: inline-flex;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(0,240,200,0.42);
  color: var(--cyan);
  background: rgba(0,240,200,0.08);
  font-size: 11px;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: 0;
}

h1 {
  margin: 1.5rem 0;
  font-size: clamp(4.4rem, 13vw, 11rem);
  line-height: 0.78;
  text-transform: uppercase;
}

.cover-lead {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.2vw, 1.45rem);
  line-height: 1.55;
}

.cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.cover-actions a {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 18px 45px var(--shadow);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.cover-actions a {
  padding: 0.75rem 1rem;
}

.cover-actions a:first-child {
  border-color: rgba(0,240,200,0.55);
  color: var(--cyan);
}

.cover-actions a:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
}

.portrait-file {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 0 28px 90px rgba(0,0,0,0.5), 12px 12px 0 rgba(0,240,200,0.14);
  transform: rotate(1deg);
  overflow: visible;
}

.portrait-file::before {
  content: '';
  position: absolute;
  top: -18px;
  left: 50%;
  width: 120px;
  height: 32px;
  transform: translateX(-50%) rotate(-3deg);
  background: rgba(0,240,200,0.25);
  border: 1px solid rgba(0,240,200,0.34);
  backdrop-filter: blur(4px);
}

.portrait-file::after {
  content: 'ID PHOTO';
  position: absolute;
  right: -1px;
  top: -1px;
  padding: 0.45rem 0.6rem;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.portrait-file img {
  display: block;
  width: 100%;
  background: white;
}

.portrait-file figcaption {
  padding: 1rem;
  border-top: 1px solid var(--line);
}

.portrait-file span {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.portrait-file strong {
  font-family: var(--display);
}

main {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
}

.briefing {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 2rem;
  padding: 5rem 0;
}

.briefing-label {
  color: var(--red);
  font-size: 12px;
}

.briefing-copy {
  display: grid;
  gap: 1rem;
  max-width: 820px;
}

.briefing-copy h2,
.board-heading h2,
.ledger-title h2,
.chronicle-heading h2,
.outside-file h2 {
  font-size: clamp(2.1rem, 5vw, 5rem);
  line-height: 0.92;
  margin-top: 0.5rem;
}

.briefing-copy p,
.case-card p,
.ledger-grid p,
.chronicle p,
.outside-file p {
  color: var(--muted);
}

.evidence-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: rgba(17,25,37,0.76);
}

.evidence-strip article {
  min-width: 0;
  padding: 1.25rem;
  border-right: 1px solid var(--line);
}

.evidence-strip article:last-child { border-right: 0; }

.evidence-strip span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--cyan);
  font-size: 10px;
}

.evidence-strip strong {
  display: block;
  font-family: var(--display);
  font-size: 1.2rem;
  margin-bottom: 0.35rem;
}

.case-board,
.skills-ledger,
.chronicle,
.outside-file {
  padding: 6rem 0;
  border-bottom: 1px solid var(--line);
}

.board-heading,
.ledger-title,
.chronicle-heading {
  margin-bottom: 2rem;
}

.board-heading span,
.ledger-title span,
.chronicle-heading span,
.outside-file span {
  color: var(--cyan);
  font-size: 11px;
}

.case-board {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.board-heading {
  grid-column: 1 / 7;
}

.case-card {
  min-height: 260px;
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: rgba(17,25,37,0.88);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.case-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: var(--panel2);
}

.case-card.case-large {
  grid-column: span 4;
  min-height: 340px;
  background: linear-gradient(135deg, rgba(0,240,200,0.12), rgba(17,25,37,0.96) 42%);
  border-color: rgba(0,240,200,0.3);
}

.case-card.tilt {
  transform: rotate(-1deg);
}

.case-card.tilt:hover {
  transform: rotate(-1deg) translateY(-3px);
}

.case-meta {
  color: var(--blue);
  font-size: 10px;
}

.case-card h3 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(1.4rem, 3vw, 2.5rem);
  line-height: 0.95;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1.2rem;
}

.case-tags span {
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(0,240,200,0.32);
  color: var(--cyan);
  font-size: 9px;
}

.skills-ledger {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 2rem;
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.ledger-grid div {
  padding: 1.25rem;
  background: rgba(17,25,37,0.62);
  border-left: 4px solid var(--blue);
}

.ledger-grid h3 {
  margin-bottom: 0.6rem;
  font-size: 1.25rem;
}

.record-list {
  display: grid;
  gap: 0.9rem;
}

.record-item {
  position: relative;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  min-height: 148px;
  background: rgba(17,25,37,0.72);
  border: 1px solid var(--line);
  overflow: hidden;
}

.record-item::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 190px;
  width: 1px;
  background: var(--line);
}

.record-item::after {
  content: '';
  position: absolute;
  left: 182px;
  top: 50%;
  width: 17px;
  height: 17px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--cyan);
  box-shadow: 0 0 24px rgba(0,240,200,0.45);
}

.record-item time {
  display: grid;
  place-items: center;
  padding: 1rem;
  background:
    linear-gradient(135deg, rgba(0,240,200,0.12), transparent),
    rgba(5,8,13,0.82);
  color: var(--cyan);
  font-family: var(--display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 800;
  line-height: 0.95;
  text-align: center;
}

.record-item > div {
  padding: 1.4rem 1.6rem 1.4rem 2.3rem;
}

.record-type {
  display: inline-flex;
  margin-bottom: 0.7rem;
  padding: 0.22rem 0.5rem;
  border: 1px solid rgba(87,164,255,0.34);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.record-item h3 {
  margin-bottom: 0.45rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1;
}

.record-item p {
  max-width: 660px;
  color: var(--muted);
}

.outside-file {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: center;
}

.outside-file figure {
  border: 1px solid var(--line);
  box-shadow: -10px 10px 0 rgba(87,164,255,0.16);
  overflow: hidden;
}

.outside-file img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.outside-file p {
  margin-top: 1rem;
}

.alternate-footer {
  width: min(1180px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 2.5rem 0;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  color: var(--muted);
  font-size: 10px;
}

.alternate-footer div {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.alternate-footer a:hover {
  color: var(--cyan);
}

@media (max-width: 980px) {
  body {
    padding-left: 0;
  }

  .cover {
    display: block;
  }

  .rail-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    min-height: auto;
    flex-direction: row;
    justify-content: space-between;
    height: 64px;
    padding: 0 1rem;
    overflow: visible;
    z-index: 30;
  }

  .rail-nav a {
    display: none;
  }

  .rail-nav::before {
    content: 'DVW.SEC';
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.12em;
  }

  .rail-hamburger {
    display: flex;
  }

  .mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 29;
    display: none;
    flex-direction: column;
    padding: 0.75rem 1.5rem 1.25rem;
    background: rgba(5,8,13,0.97);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(0,0,0,0.35);
    backdrop-filter: blur(16px);
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-menu a {
    min-height: 48px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .mobile-menu a:last-child {
    border-bottom: 0;
  }

  .mobile-menu a:hover {
    color: var(--cyan);
  }

  .cover {
    padding-top: 64px;
  }

  .cover-grid,
  .briefing,
  .skills-ledger,
  .outside-file {
    grid-template-columns: 1fr;
  }

  .cover-grid,
  main,
  .alternate-footer {
    width: min(100% - 2rem, 780px);
  }

  .evidence-strip,
  .ledger-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-board {
    grid-template-columns: 1fr;
  }

  .board-heading,
  .case-card,
  .case-card.case-large {
    grid-column: auto;
  }

  .record-item {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .record-item::before {
    left: 140px;
  }

  .record-item::after {
    left: 132px;
  }
}

@media (max-width: 620px) {
  .cover-id,
  .alternate-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .cover-id {
    padding: 1rem;
  }

  h1 {
    font-size: clamp(3.6rem, 23vw, 6rem);
  }

  .cover-actions a {
    width: 100%;
    text-align: center;
  }

  .evidence-strip,
  .ledger-grid {
    grid-template-columns: 1fr;
  }

  .evidence-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evidence-strip article:last-child {
    border-bottom: 0;
  }

  .record-item {
    grid-template-columns: 1fr;
  }

  .record-item::before,
  .record-item::after {
    display: none;
  }

  .record-item time {
    min-height: 86px;
  }

  .record-item > div {
    padding: 1.2rem;
  }

  .case-board,
  .skills-ledger,
  .chronicle,
  .outside-file,
  .briefing {
    padding: 4rem 0;
  }
}