/* == Root variables == */
:root {
  --bg-deep-1:#0f0f1c;
  --bg-deep-2:#1b1e35;
  --bg-hero-2:#2d2b4a;
  --card:#22253e;

  --text:#f0f0f0;
  --text-muted:#cccccc;
  --text-muted-2:#bbbbbb;

  --footer-muted:#aaaaaa;
  --footer-subtle:#555555;

  --ink-dark:#0f0f1c;

  --cyan:#0df6e3;
  --cyan-hover:#0ad3c6;
  --magenta:#f72585;
  --purple:#7209b7;
  --border-dark:#222;

  /* Page title sizing (used by h1 clamp) */
  --h1-min: 2.25rem;
  --h1-max: 3.75rem;
}

/* == Base == */
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, var(--bg-deep-1), var(--bg-deep-2));
  color: var(--text);
}

h1, h2, h3, h4, nav a, header {
  font-family: 'Orbitron', sans-serif;
  line-height: 1.4;
}

/* Headings (global gradient styles) */
h1 {
  font-size: clamp(var(--h1-min), 2.2vw + 1.2rem, var(--h1-max));
  line-height: 1.1;
  margin: 0 0 0.75rem;
  font-weight: 600;
  background: linear-gradient(90deg, var(--magenta), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

h2 {
  background: linear-gradient(90deg, var(--cyan), #56ccf2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

/* Compact gradient title helper */
.gradient-heading {
  font-size: 2.2rem;
  line-height: 1.2;
  margin: 0 0 1rem;
}

/* Optional page title passthrough */
.page-title { font-size: inherit; }

/* Paragraphs in .content sections */
.content p {
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

/* Center main page h1s by default */
.content h1 { text-align: center; }

/* Screen-reader-only utility */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* == Home edge cards == */
.home-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: var(--page-max, 1100px);
  margin: 0 auto;
}

/* Clickable, full-bleed image card */
.edge-card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: none;
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: none;
}

.edge-card > img,
.edge-card > picture,
.edge-card > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Motion-safe hover lift */
@media (hover:hover) and (pointer:fine) {
  .edge-card img { transition: transform 300ms ease; }
  .edge-card:hover img { transform: scale(1.03); }
}
@media (prefers-reduced-motion: reduce) {
  .edge-card img { transition: none !important; }
}

/* Neutralize legacy card padding if reused inside .home-cards */
.home-cards .card {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  box-shadow: none !important;
}

/* == Inline gradient link utilities == */
a.gradient-blue-text,
.gradient-blue-text {
  background: linear-gradient(90deg, var(--cyan), #56ccf2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  font-weight: 700;
  display: inline-block;
  text-decoration: none;
}
a.gradient-blue-text:hover,
.gradient-blue-text:hover { filter: brightness(1.05); }

/* Mailto links inside content (tables/paragraphs) */
.content a[href^="mailto:"],
.content p a[href^="mailto:"],
.content td a[href^="mailto:"] {
  background: linear-gradient(90deg, var(--cyan), #56ccf2);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
}
.content a[href^="mailto:"]:visited {
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.content a[href^="mailto:"]:hover {
  filter: brightness(1.05);
  transform: translateY(-0.5px);
}

/* Secondary gradient heading helper (cyan → blue) */
.gradient-heading-blue {
  font-size: 1.5rem;
  background: linear-gradient(90deg, var(--cyan), #1e90ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
  font-weight: 600;
}

/* == Header == */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--cyan);
  color: var(--ink-dark);
  padding: 1rem 2rem;
  flex-wrap: wrap;
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}
.logo-title img { height: 60px; width: auto; }

.site-nav {
  display: flex;
  gap: 2rem;
  font-size: 1rem;
}
.site-nav a {
  color: var(--ink-dark);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}
.site-nav a:hover { color: var(--purple); }

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  width: 30px; height: 25px; gap: 5px;
}
.hamburger div {
  background: var(--ink-dark);
  height: 4px; width: 100%;
  border-radius: 2px;
}

/* Mobile header layout */
@media (max-width: 768px) {
  .site-nav {
    flex-direction: column;
    width: 100%;
    display: none;
    background-color: var(--cyan);
    padding: 1rem 0;
    margin-top: 1rem;
  }
  .site-nav.active { display: flex; }
  .hamburger { display: flex; }
}

/* == Buttons == */
.btn {
  background: var(--cyan);
  color: var(--ink-dark);
  border: none;
  font-weight: 800;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  padding: .65rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.25s ease, transform 0.05s ease, box-shadow 0.2s ease;
}
.btn:hover { background: var(--cyan-hover); }
.btn:active { transform: translateY(1px); }

/* Keyboard focus (consistent across anchors and buttons) */
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 10px;
}

.btn.secondary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid rgba(13,246,227,0.45);
}
.button-row {
  display: flex;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
}

/* == Footer == */
footer {
  background: var(--bg-deep-1);
  padding: 5rem 2rem 3rem;
  color: var(--footer-muted);
  font-size: 0.9rem;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 3rem;
  max-width: 1200px;
  margin: auto;
}

.footer-column { flex: 1 1 250px; min-width: 200px; }
.footer-column h4 {
  margin: 0 0 .75rem;
  color: var(--cyan);
  letter-spacing: .5px;
}
.footer-column p { margin: .4rem 0; color: inherit; }

.footer-logo { height: 100px; margin-bottom: 1rem; }

/* Newsletter form (footer) */
.newsletter-input {
  padding: 0.6rem 1rem;
  border-radius: 4px;
  border: 1px solid var(--border-dark);
  width: 70%;
  margin-bottom: 0.8rem;
  background: var(--bg-deep-2);
  color: var(--text);
  outline: none;
}
.newsletter-input::placeholder { color: var(--footer-muted); }

.newsletter-button {
  padding: 0.6rem 1.2rem;
  background-color: var(--cyan);
  color: var(--ink-dark);
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.2s;
}
.newsletter-button:hover { background: var(--cyan-hover); }

/* Footer links */
.footer-column a,
.footer-column a:visited {
  color: var(--footer-muted);
  text-decoration: none;
}
.footer-column a:hover,
.footer-column a:focus {
  color: var(--purple);
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  border-top: 1px solid var(--border-dark);
  padding-top: 1rem;
  color: var(--footer-subtle);
}