/* ==========================================================================
   ARS // Global Threat Defense Network
   1. Tokens      2. Base      3. Utilities     4. Preloader & cursor
   5. Layout      6. Sections  7. Responsive    8. Reduced motion
   ========================================================================== */

/* 1. TOKENS ---------------------------------------------------------------- */
:root {
  --font-body: 'Rajdhani', system-ui, sans-serif;
  --font-display: 'Orbitron', system-ui, sans-serif;

  --color-bg: #01040a;
  --color-surface: #0a0e17;
  --color-primary-glow: #00d9ff;          /* Tactical cyan */
  --color-accent-alert: #ff2a6d;          /* Alert red */
  --color-text: #cdd5f0;
  --color-text-muted: #8b9ac2;            /* Body copy: 6.9:1 on surface */
  --color-line: #6b7a99;                  /* Borders / hairlines only */

  --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --content-max: 1200px;
  --gutter: 2rem;
  --space-section: 8rem;
  --header-offset: 6rem;
  --grid-cell: 40px;
}

/* 2. BASE ------------------------------------------------------------------ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.no-scroll {
  overflow: hidden;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated grid backdrop. Transform (not background-position) keeps this on
   the compositor instead of repainting the viewport every frame. */
body::after {
  content: '';
  position: fixed;
  inset: calc(var(--grid-cell) * -1);
  background-image:
    linear-gradient(to right, rgba(107, 122, 153, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(107, 122, 153, 0.1) 1px, transparent 1px);
  background-size: var(--grid-cell) var(--grid-cell);
  animation: grid-pan 10s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes grid-pan {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(calc(var(--grid-cell) * -1), calc(var(--grid-cell) * -1), 0); }
}

img,
video {
  max-width: 100%;
}

:focus-visible {
  outline: 2px solid var(--color-primary-glow);
  outline-offset: 3px;
}

/* 3. UTILITIES ------------------------------------------------------------- */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.surface {
  background-color: var(--color-surface);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10001;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary-glow);
  color: var(--color-bg);
  font-family: var(--font-display);
  text-decoration: none;
  transform: translateY(-150%);
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Reveal animations only run when JS is available, so no-JS visitors still
   see every section. */
.js .fade-up {
  opacity: 0;
  transform: translateY(40px);
}

.js #main-content {
  opacity: 0;
}

/* 4. PRELOADER & CURSOR ---------------------------------------------------- */
.preloader {
  display: none;
}

.js .preloader {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-inline: var(--gutter);
  text-align: center;
}

.preloader-text {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 3vw, 1.2rem);
  color: var(--color-primary-glow);
  margin-bottom: 1rem;
}

.progress-bar {
  width: min(250px, 70vw);
  height: 3px;
  background-color: rgba(0, 217, 255, 0.2);
}

.progress-bar-inner {
  width: 100%;
  height: 100%;
  background-color: var(--color-primary-glow);
  transform: scaleX(0);
  transform-origin: left center;
}

.cursor-dot,
.cursor-outline {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
  /* Position and hover scale are driven by GSAP; only colour transitions
     here, because GSAP's inline styles own `transform` and `scale`. */
  transition: background-color 0.2s, border-color 0.2s;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background-color: var(--color-primary-glow);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.cursor-outline {
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 1px solid rgba(0, 217, 255, 0.5);
}

/* The custom cursor only applies where there is a real pointer to replace, and
   only once JS has actually taken it over — otherwise the native cursor stays.
   `.has-custom-cursor` is set by script.js. */
@media (hover: hover) and (pointer: fine) {
  .has-custom-cursor body,
  .has-custom-cursor a,
  .has-custom-cursor button,
  .has-custom-cursor .interactive {
    cursor: none;
  }

  .has-custom-cursor .cursor-dot,
  .has-custom-cursor .cursor-outline {
    display: block;
  }

  .has-custom-cursor body.hovering .cursor-outline {
    background-color: rgba(0, 217, 255, 0.1);
    border-color: transparent;
  }
}

/* 5. LAYOUT ---------------------------------------------------------------- */
section {
  padding-block: var(--space-section);
  position: relative;
  scroll-margin-top: var(--header-offset);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 4rem;
  overflow-wrap: break-word;
}

.section-title--left {
  text-align: left;
}

.command-deck {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding-block: 1.5rem;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(1, 4, 10, 0.8) 0%, transparent 100%);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.status-light {
  width: 10px;
  height: 10px;
  flex: none;
  background-color: #0f0;
  border-radius: 50%;
  box-shadow: 0 0 10px #0f0;
}

.cta-button {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  background: transparent;
  border: 2px solid var(--color-accent-alert);
  color: var(--color-accent-alert);
  padding: 0.6rem 1.5rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.cta-button:hover,
.cta-button:focus-visible {
  background-color: var(--color-accent-alert);
  /* Near-black on the alert red is 5.7:1; white was only 3.6:1. */
  color: var(--color-bg);
}

/* 6. SECTIONS -------------------------------------------------------------- */
/* Hero */
#mission-briefing {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: -1;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6.5vw, 5rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin-top: 40px;
}

.glitch-text {
  animation: glitch 2.5s infinite;
  will-change: transform;
}

@keyframes glitch {
  2%, 64%  { transform: translate(2px, 0) skew(0deg); }
  4%, 60%  { transform: translate(-2px, 0) skew(0deg); }
  62%      { transform: translate(0, 0) skew(5deg); }
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 700;
  max-width: 46ch;
  margin: 1.5rem auto 2.5rem;
  color: var(--color-text-muted);
}

/* Squad intel */
#squad-intel,
#live-uplink {
  display: grid;
  gap: 4rem;
  align-items: center;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

#squad-intel {
  grid-template-columns: 1fr 1.2fr;
}

#live-uplink {
  grid-template-columns: 1fr 2fr;
}

.intel-image {
  width: 100%;
  height: 70vh;
  object-fit: cover;
}

.intel-content h2 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin-bottom: 1.5rem;
}

.redacted-text {
  font-size: 1.2rem;
  position: relative;
  display: inline;
}

.redacted-text::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-text);
  transition: clip-path var(--transition-med);
  clip-path: inset(0 0 0 0);
}

.redacted-text.revealed::before {
  clip-path: inset(0 100% 0 0);
}

/* Archives + field logs */
.archives-grid {
  display: grid;
  /* min() keeps the tracks from overflowing viewports narrower than 300px. */
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 2rem;
}

.dossier-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 1.5rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.dossier-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary-glow);
}

.dossier-id {
  font-family: var(--font-display);
  color: var(--color-accent-alert);
}

.dossier-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

/* Arsenal accordion */
.arsenal-item {
  border-bottom: 1px solid var(--color-line);
}

.arsenal-heading {
  font-size: inherit;
  font-weight: inherit;
}

.arsenal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1.5rem 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  font-size: clamp(1.15rem, 3.5vw, 1.5rem);
  font-weight: 700;
  text-align: left;
}

.arsenal-toggle {
  flex: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-primary-glow);
  transition: transform var(--transition-fast);
}

/* 0fr -> 1fr animates to the content's real height, so long copy can never be
   clipped the way a fixed max-height clipped it. */
.arsenal-details {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-med);
}

/* The wrapper does the clipping, so the panel's bottom spacing is clipped
   with it and a collapsed item occupies exactly zero height. */
.arsenal-details-inner {
  overflow: hidden;
  min-height: 0;
}

.arsenal-details p {
  padding-bottom: 1.5rem;
}

.arsenal-item.active .arsenal-details {
  grid-template-rows: 1fr;
}

.arsenal-item.active .arsenal-toggle {
  transform: rotate(45deg);
}

/* Live uplink */
.stats-panel h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.stat-item {
  margin-bottom: 1.5rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 2.5rem);
  color: var(--color-primary-glow);
  font-variant-numeric: tabular-nums;
}

#globe-container {
  width: 100%;
  height: 60vh;
}

/* Contact */
.contact-form {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.form-note {
  margin-bottom: 2rem;
  color: var(--color-text-muted);
}

.contact-form textarea {
  width: 100%;
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font: inherit;
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.contact-form textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 1;
}

.contact-form textarea:focus-visible {
  border-color: var(--color-primary-glow);
}

.form-status {
  min-height: 1.6em;
  margin-top: 1rem;
  color: var(--color-primary-glow);
  font-weight: 700;
}

.form-status[data-state='error'] {
  color: var(--color-accent-alert);
}

/* Footer */
.blackout-footer {
  background-color: #000;
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  list-style: none;
  margin-bottom: 2rem;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--color-primary-glow);
}

.footer-disclaimer {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* 7. RESPONSIVE ------------------------------------------------------------ */
@media (max-width: 992px) {
  :root {
    --space-section: 6rem;
  }

  #squad-intel,
  #live-uplink {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intel-image {
    order: -1;
    height: 45vh;
  }

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

@media (max-width: 768px) {
  :root {
    --space-section: 4.5rem;
    --gutter: 1.25rem;
    --header-offset: 5rem;
  }

  /* Three nav items do not fit a phone; the ambient status readout is the
     one that carries no action. */
  .nav-status {
    display: none;
  }

  .command-deck {
    padding-block: 1rem;
  }

  .cta-button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .intel-image {
    height: 35vh;
  }

  #globe-container {
    height: 45vh;
  }

  .blackout-footer {
    padding: 3rem 0 2rem;
  }
}

/* 8. REDUCED MOTION -------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::after,
  .glitch-text {
    animation: none;
  }

  .js .fade-up {
    opacity: 1;
    transform: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}