/* ==========================================
   project.css — Galaxy Blues / Case Study
   Clean alignment, strong contrast, readable.
   ========================================== */

/* TOKENS */
:root {
  /* Space blues */
  --space-0: #030b1a;
  /* near-black blue */
  --space-1: #071a3a;
  /* deep navy */
  --space-2: #0b2a57;
  /* dark cerulean */
  --space-3: #103b78;
  /* indigo-blue */

  /* Accents (no white) */
  --accent: #66a6ff;
  /* cornflower neon */
  --accent-2: #89f7fe;
  /* aqua neon */
  --accent-3: #3c8dff;
  /* deeper glow */

  /* Text (light blues for contrast on dark) */
  --text: #e6f0ff;
  --text-dim: #b9cbee;
  --text-soft: #9fb6d9;

  /* Surfaces (space glass) */
  --glass-1: rgba(9, 18, 46, 0.64);
  --glass-2: rgba(9, 24, 58, 0.48);

  --radius: 14px;
  --container: 1200px;
  --pad: 2rem;

  /* Type scale */
  --fs-900: clamp(2rem, 1.6rem + 2.5vw, 3.2rem);
  --fs-700: 1.6rem;
  --fs-600: 1.25rem;
  --fs-500: 1.08rem;
  --fs-400: 1rem;
  --lh: 1.65;
}

/* RESET-ish */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font: 400 var(--fs-400)/var(--lh) 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(24, 77, 164, .35), transparent 60%),
    radial-gradient(900px 600px at 10% 20%, rgba(13, 41, 95, .45), transparent 60%),
    linear-gradient(120deg, var(--space-0) 0%, var(--space-1) 35%, var(--space-2) 100%);
  background-attachment: fixed;
  min-height: 100dvh;
}

/* Subtle starfield + nebula */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

body::before {
  background-image:
    radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, .7), transparent 60%),
    radial-gradient(1.5px 1.5px at 70% 40%, rgba(255, 255, 255, .6), transparent 60%),
    radial-gradient(1.2px 1.2px at 40% 80%, rgba(255, 255, 255, .55), transparent 60%),
    radial-gradient(1.8px 1.8px at 85% 70%, rgba(255, 255, 255, .65), transparent 60%),
    radial-gradient(1px 1px at 15% 60%, rgba(255, 255, 255, .5), transparent 60%),
    radial-gradient(1.3px 1.3px at 55% 15%, rgba(255, 255, 255, .6), transparent 60%);
  opacity: .5;
}

body::after {
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(102, 166, 255, .15), transparent 60%),
    radial-gradient(800px 600px at 10% 85%, rgba(137, 247, 254, .08), transparent 70%);
  animation: drift 40s ease-in-out infinite alternate;
  opacity: .6;
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  100% {
    transform: translate3d(-20px, -10px, 0) scale(1.02);
  }
}

/* A11y: Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  color: #00102b;
  padding: .6rem 1rem;
  border-radius: 999px;
  z-index: 1000;
}

/* Containers & flow */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.flow>*+* {
  margin-top: 1rem;
}

/* Header */
.project-header {
  position: sticky;
  top: 0;
  z-index: 9;
  background: linear-gradient(180deg, rgba(4, 11, 27, .9), rgba(8, 22, 53, .6));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(102, 166, 255, .18);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .4);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding-block: 1rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.back-link:hover {
  color: var(--accent-2);
}

/* Hero */
.hero {
  padding-block: 2.6rem 1rem;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(102, 166, 255, .20), transparent 60%),
    radial-gradient(800px 600px at 10% 90%, rgba(137, 247, 254, .12), transparent 70%),
    linear-gradient(120deg, var(--space-1) 0%, var(--space-2) 40%, var(--space-3) 100%);
  border-bottom: 1px solid rgba(102, 166, 255, .14);
  box-shadow: inset 0 10px 30px rgba(0, 0, 0, .35);
}

.title {
  font-size: var(--fs-900);
  font-weight: 800;
  letter-spacing: .3px;
  margin: 0;
  text-wrap: balance;
}

.lead {
  color: var(--text-dim);
  font-size: var(--fs-500);
  max-width: 70ch;
}

/* Overview row */
.overview {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.overview .label {
  display: block;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .2px;
  color: var(--text-soft);
  margin-bottom: .2rem;
}

.overview .value {
  font-weight: 700;
  color: var(--text);
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}

.tag {
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: .2px;
  padding: .45rem .75rem;
  border-radius: 999px;
  color: #00102b;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: 0 8px 22px rgba(22, 84, 170, .45), 0 0 0 1px rgba(137, 247, 254, .2) inset;
}

/* Story cards */
.story {
  padding-block: 2.2rem;
}

.story-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, 1fr);
}

.story-card {
  grid-column: span 6;
  background: linear-gradient(180deg, var(--glass-1), var(--glass-2));
  border: 1px solid rgba(102, 166, 255, .16);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 14px 28px rgba(0, 0, 0, .45);
}

.story-card h2 {
  font-size: var(--fs-700);
  margin: 0 0 .5rem;
  color: var(--text);
}

.story-card p {
  margin: .4rem 0 0;
  color: var(--text);
}

.bullet {
  margin: .4rem 0 0;
  padding-left: 1.1rem;
}

.bullet li {
  margin: .35rem 0;
  color: var(--text);
}

/* Gallery */
.gallery {
  padding-block: 2rem;
}

.section-title {
  font-size: var(--fs-700);
  margin: 0 0 .8rem;
  text-align: left;
}

.img-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, 1fr);
}

.img-card {
  grid-column: span 6;
  background: linear-gradient(180deg, var(--glass-1), var(--glass-2));
  border: 1px solid rgba(102, 166, 255, .16);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .5);
}

.img-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

.img-card figcaption {
  padding: .9rem 1rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(102, 166, 255, .12);
}

/* Generic section spacing */
.section {
  padding-block: 1.6rem;
}

.section+.section {
  padding-top: .4rem;
}

/* Tech list */
.tech-list {
  list-style: none;
  padding: 0;
  margin: .2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.tech-list li {
  padding: .5rem .8rem;
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: .2px;
  color: var(--text);
  background: linear-gradient(180deg, rgba(16, 59, 120, .45), rgba(12, 40, 88, .3));
  border: 1px solid rgba(102, 166, 255, .22);
}

/* Links / Buttons */
.links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  padding-block: 2rem 3rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  padding: .95rem 1.4rem;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .2px;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease, border-color .2s ease, color .2s ease, background .2s ease;
}

.btn.glow {
  color: #00102b;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  box-shadow: 0 12px 34px rgba(22, 84, 170, .45), 0 0 0 1px rgba(137, 247, 254, .2) inset;
}

.btn.glow:hover {
  transform: translateY(-2px);
  opacity: .96;
  box-shadow: 0 16px 46px rgba(22, 84, 170, .6), 0 0 0 1px rgba(137, 247, 254, .35) inset;
}

.btn.outline {
  color: var(--text);
  background: linear-gradient(180deg, rgba(16, 59, 120, .25), rgba(12, 40, 88, .18));
  border: 1px solid rgba(137, 247, 254, .35);
  box-shadow: 0 8px 24px rgba(9, 25, 63, .65);
}

.btn.outline:hover {
  transform: translateY(-2px);
  border-color: rgba(137, 247, 254, .6);
}

/* Footer */
.project-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-soft);
  background: linear-gradient(180deg, rgba(5, 14, 34, .6), rgba(6, 18, 42, .55));
  border-top: 1px solid rgba(102, 166, 255, .12);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .img-card img {
    height: 320px;
  }
}

@media (max-width: 900px) {
  .overview {
    grid-template-columns: 1fr;
  }

  .story-grid {
    grid-template-columns: 1fr;
  }

  .img-grid {
    grid-template-columns: 1fr;
  }

  .img-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  :root {
    --pad: 1.25rem;
  }

  .hero {
    padding-block: 2rem .6rem;
  }

  .img-card img {
    height: 240px;
  }
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* PRINT STYLES */
@media print {

  /* Hide non-essential elements */
  .skip-link,
  .project-header,
  .links,
  .project-footer,
  .scroll-top {
    display: none !important;
  }

  /* Reset layout for paper */
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 12pt;
    min-height: auto;
  }

  /* Reset text colors */
  h1,
  h2,
  h3,
  h4,
  .title,
  .story-card h2,
  .section-title,
  .overview .value,
  .bullet li,
  .story-card p,
  .tech-list li {
    color: #000 !important;
    text-shadow: none !important;
  }

  .lead,
  .overview .label,
  .img-card figcaption {
    color: #444 !important;
  }

  /* Simplify cards */
  .story-card,
  .img-card,
  .tech-list li,
  .tag {
    background: none !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    color: #000 !important;
  }

  /* Ensure images print clearly */
  img {
    filter: none !important;
    max-width: 100% !important;
    height: auto !important;
    page-break-inside: avoid;
  }

  /* Layout tweaks */
  .container {
    padding: 0 !important;
    max-width: 100% !important;
    margin: 0 !important;
  }

  .overview {
    display: block !important;
  }

  /* Hide gallery, retrospective story, and user-specific hero details */
  .gallery,
  .img-grid,
  .img-card,
  .story,
  .story-grid,
  .lead,
  .overview,
  .tags {
    display: none !important;
  }

  /* Show the Requirement Brief (which is hidden on screen) */
  .req-brief {
    display: block !important;
    page-break-before: auto;
  }
}

/* Hide Requirement Brief on screen */
.req-brief {
  display: none;
}