/* ========================================
   DISTURBED CRIME — Design System
   Clinical / MRI Diagnostic Interface
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;1,300&display=swap');

:root {
  --bg-void: #0a0c10;
  --text-primary: #a8c4d4;
  --text-dim: #4a6070;
  --accent-red: #c04040;
  --surface: #0e1018;
  --border: #1a1a24;

  --font-display: 'neue-haas-grotesk-display', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
  --font-body: 'IBM Plex Mono', 'Courier New', monospace;

  --marker-width: 24px;
  --page-pad: 80px;
  --page-pad-left: calc(var(--marker-width) + var(--page-pad));
}

/* ========================================
   Reset
   ======================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    linear-gradient(rgba(168, 196, 212, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 196, 212, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

::selection {
  background: var(--accent-red);
  color: var(--bg-void);
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-red);
}

/* ========================================
   Overlays
   ======================================== */

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.06) 2px,
    rgba(0, 0, 0, 0.06) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.5s;
}

/* ========================================
   Measurement Markers
   ======================================== */

.marker-left {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--marker-width);
  z-index: 50;
  pointer-events: none;
  border-right: 1px solid rgba(168, 196, 212, 0.06);
}

.marker-left::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 8px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(168, 196, 212, 0.1) 0px,
    rgba(168, 196, 212, 0.1) 1px,
    transparent 1px,
    transparent 20px
  );
}

.marker-left::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 14px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(168, 196, 212, 0.15) 0px,
    rgba(168, 196, 212, 0.15) 1px,
    transparent 1px,
    transparent 100px
  );
}

.marker-top {
  position: fixed;
  top: 0;
  left: var(--marker-width);
  right: 0;
  height: var(--marker-width);
  z-index: 50;
  pointer-events: none;
  border-bottom: 1px solid rgba(168, 196, 212, 0.06);
}

.marker-top::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: repeating-linear-gradient(
    to right,
    rgba(168, 196, 212, 0.1) 0px,
    rgba(168, 196, 212, 0.1) 1px,
    transparent 1px,
    transparent 20px
  );
}

.marker-top::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 14px;
  background: repeating-linear-gradient(
    to right,
    rgba(168, 196, 212, 0.15) 0px,
    rgba(168, 196, 212, 0.15) 1px,
    transparent 1px,
    transparent 100px
  );
}

/* ========================================
   Logo
   ======================================== */

.logo {
  user-select: none;
}

.logo-disturbed {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.1;
}

.logo-crime {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(0.9rem, 2.2vw, 1.7rem);
  letter-spacing: 1em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1;
  margin-top: 0.3em;
}

/* ========================================
   Navigation
   ======================================== */

.landing-nav {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
}

.landing-nav a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.3s ease;
}

.landing-nav a:hover {
  color: var(--text-primary);
}

.site-header {
  position: fixed;
  top: 0;
  left: var(--marker-width);
  right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-pad);
  z-index: 100;
  background: rgba(10, 12, 16, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.header-mark {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.header-mark:hover {
  color: var(--text-primary);
}

.header-nav {
  display: flex;
  gap: 2.5rem;
}

.header-nav a {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.header-nav a:hover {
  color: var(--text-primary);
}

.header-nav a.active {
  color: var(--text-primary);
}

/* ========================================
   Layout
   ======================================== */

.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: var(--page-pad-left);
  padding-right: var(--page-pad);
  padding-bottom: 12vh;
}

.page {
  padding-top: 120px;
  padding-left: var(--page-pad-left);
  padding-right: var(--page-pad);
  padding-bottom: 120px;
  min-height: 100vh;
}

/* ========================================
   Page Header
   ======================================== */

.page-title {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 3rem;
}

.page-subtitle {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

/* ========================================
   Panels
   ======================================== */

.panel {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--border);
}

.panel-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* ========================================
   Case Archive List
   ======================================== */

.case-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-width: 900px;
}

.case-entry {
  display: block;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 2.5rem;
  transition: border-color 0.3s ease, background 0.3s ease;
  position: relative;
}

.case-entry:hover {
  border-color: var(--text-dim);
  background: rgba(14, 16, 24, 0.8);
}

.case-entry-header {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.case-number {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  flex-shrink: 0;
}

.case-name {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.case-entry-meta {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.case-synopsis {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: 0.5rem;
}

/* ========================================
   Status Badges
   ======================================== */

.status {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.2em 0.8em;
  border: 1px solid;
  display: inline-block;
  flex-shrink: 0;
}

.status-archived {
  color: var(--text-dim);
  border-color: var(--text-dim);
}

.status-active {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.status-classified {
  color: var(--accent-red);
  border-color: var(--accent-red);
}

/* ========================================
   Case File Detail
   ======================================== */

.case-file {
  max-width: 900px;
}

.case-file-header {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.case-field {
  display: flex;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(26, 26, 36, 0.5);
}

.case-field:last-child {
  border-bottom: none;
}

.field-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  width: 160px;
  flex-shrink: 0;
}

.field-value {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.field-value-title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.case-section {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 2rem 2.5rem;
  margin-bottom: 1px;
  position: relative;
}

.section-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.2rem;
  font-weight: 400;
}

.case-section p {
  font-size: 0.85rem;
  line-height: 1.8;
  max-width: 640px;
}

/* ========================================
   Redacted
   ======================================== */

.redacted {
  background: var(--text-dim);
  color: transparent;
  user-select: none;
  padding: 0 0.3em;
}

.redacted-block {
  filter: blur(3px);
  user-select: none;
  opacity: 0.3;
}

/* ========================================
   YouTube Embed
   ======================================== */

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ========================================
   About
   ======================================== */

.about-content {
  max-width: 640px;
}

.about-section {
  margin-bottom: 3rem;
}

.about-section-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.about-section p {
  font-size: 0.85rem;
  line-height: 1.9;
  margin-bottom: 1rem;
}

.about-section p:last-child {
  margin-bottom: 0;
}

/* ========================================
   Contact
   ======================================== */

.contact-fields {
  max-width: 500px;
}

.contact-field {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 2rem;
  margin-bottom: 1px;
}

.contact-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  display: block;
}

.contact-value {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.contact-value a {
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}

.contact-value a:hover {
  border-color: var(--text-primary);
}

/* ========================================
   System Reference (corner metadata)
   ======================================== */

.sys-ref {
  position: fixed;
  bottom: 12px;
  right: 16px;
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  opacity: 0.4;
  z-index: 50;
  pointer-events: none;
  text-transform: uppercase;
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInSlow {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  92%      { opacity: 1; }
  93%      { opacity: 0.82; }
  94%      { opacity: 1; }
  96.5%    { opacity: 0.9; }
  97%      { opacity: 1; }
}

.fade-in {
  animation: fadeIn 1s ease-out both;
}

.fade-in-slow {
  animation: fadeInSlow 2s ease-out both;
}

.flicker {
  animation: flicker 8s infinite;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.5s; }
.delay-4 { animation-delay: 0.7s; }

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  :root {
    --page-pad: 24px;
    --marker-width: 0px;
  }

  .marker-left,
  .marker-top {
    display: none;
  }

  .site-header {
    left: 0;
    padding: 0 16px;
    height: 52px;
  }

  .header-mark {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    white-space: nowrap;
  }

  .header-nav {
    gap: 1rem;
  }

  .header-nav a {
    font-size: 0.55rem;
    letter-spacing: 0.15em;
  }

  .landing {
    padding-bottom: 8vh;
  }

  .landing-nav {
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
  }

  .page {
    padding-top: 90px;
    padding-bottom: 80px;
  }

  .case-entry {
    padding: 1.5rem;
  }

  .case-entry-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .case-file-header {
    padding: 1.5rem;
  }

  .case-field {
    flex-direction: column;
    gap: 0.25rem;
  }

  .field-label {
    width: auto;
  }

  .case-section {
    padding: 1.5rem;
  }

  .contact-field {
    padding: 1.2rem 1.5rem;
  }

  .panel {
    padding: 1.5rem;
  }

  .sys-ref {
    display: none;
  }
}

@media (max-width: 480px) {
  .logo-disturbed {
    font-size: 1.8rem;
  }

  .logo-crime {
    font-size: 0.7rem;
  }

  .page-title {
    font-size: 1.3rem;
  }
}