/* =========================================================
   Kavik Studios — stylesheet
   Dark sci-fi theme with cyan / teal glow accents
   ========================================================= */

/* ---------- Reset & base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-base:       #0b0d14;
  --bg-section:    #0e1120;
  --bg-card:       #131726;
  --bg-card-hover: #18203a;

  --accent:        #00d4c8;
  --accent-dim:    rgba(0, 212, 200, 0.15);
  --accent-glow:   rgba(0, 212, 200, 0.4);

  --text-primary:  #e8eaf2;
  --text-secondary: #9aa3bd;
  --text-muted:    #5a6280;

  --border:        rgba(0, 212, 200, 0.18);

  --font-base: 'Segoe UI', system-ui, -apple-system, sans-serif;

  --radius:  8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --max-w: 1100px;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

img {
  display: block;
  max-width: 100%;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

.section-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-heading::after {
  content: '';
  display: block;
  margin-top: 0.4rem;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.7rem 1.8rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  box-shadow: 0 0 12px rgba(0, 212, 200, 0.2);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--bg-base);
  box-shadow: 0 0 24px var(--accent-glow);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 13, 20, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.logo:hover {
  color: var(--accent);
}

.logo-img {
  width: 36px;
  height: 36px;
  filter: invert(1) drop-shadow(0 0 4px var(--accent-glow));
  transition: filter var(--transition);
}

.logo:hover .logo-img {
  filter: invert(1) drop-shadow(0 0 8px var(--accent));
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  padding-block: 8rem 4rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0, 212, 200, 0.12) 0%, transparent 70%),
    linear-gradient(180deg, #0b0d14 0%, #0b0f1e 100%);
}

.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.55) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 60%, rgba(255,255,255,0.4)  0%, transparent 100%),
    radial-gradient(1px 1px at 40%  8%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 35%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 80%, rgba(255,255,255,0.5)  0%, transparent 100%),
    radial-gradient(1px 1px at 75% 22%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 50%, rgba(255,255,255,0.4)  0%, transparent 100%),
    radial-gradient(1px 1px at 90% 90%, rgba(255,255,255,0.35) 0%, transparent 100%),
    radial-gradient(1px 1px at 5%  90%, rgba(255,255,255,0.4)  0%, transparent 100%),
    radial-gradient(1px 1px at 50% 70%, rgba(255,255,255,0.45) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 30% 45%, rgba(0,212,200,0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 70% 12%, rgba(0,212,200,0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 88% 68%, rgba(0,212,200,0.55) 0%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-logo {
  /* kavik_studios_wide_logo_black.png: 1536x1024, ~175px empty top/bottom */
  max-width: min(1100px, 92vw);
  margin-inline: auto;
  margin-bottom: 1.5rem;
  object-view-box: inset(260px 0px);
  filter: invert(1) drop-shadow(0 0 20px rgba(0, 212, 200, 0.5)) drop-shadow(0 0 60px rgba(0, 212, 200, 0.2));
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* ---------- Games section ---------- */
.games {
  background: var(--bg-section);
  padding-block: 6rem;
  border-top: 1px solid var(--border);
}

.game-showcase {
  margin-top: 2.5rem;
}

/* Feature image */
.game-feature {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.feature-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: opacity 0.3s ease;
}

/* Thumbnail strip */
.thumb-strip {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-dim) transparent;
}

.thumb {
  flex: 0 0 auto;
  width: calc((100% - 2.5rem) / 6);
  min-width: 100px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  background: none;
  padding: 0;
  opacity: 0.5;
  transition: opacity var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.thumb:hover {
  opacity: 0.85;
}

.thumb.active {
  opacity: 1;
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0, 212, 200, 0.3);
}

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

/* Game info */
.game-info {
  margin-top: 2.5rem;
  text-align: center;
}

.game-logo {
  /* Aetheris_core_logo2.png: 1536x1024, ~340px empty top/bottom, ~152px left/right */
  display: block;
  max-width: min(990px, 92vw);
  margin-inline: auto;
  margin-bottom: 0.5rem;
  object-view-box: inset(340px 152px);
  filter: drop-shadow(0 0 12px rgba(0, 212, 200, 0.25));
}

.game-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.game-description {
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.75;
  max-width: 680px;
  margin-inline: auto;
}

/* ---------- Community section ---------- */
.community {
  background: var(--bg-base);
  padding-block: 6rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.community-sub {
  color: var(--text-secondary);
  margin-top: 0.75rem;
  margin-bottom: 3rem;
  font-size: 1.05rem;
}

.community-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.community-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 3rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  min-width: 200px;
}

.community-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 28px rgba(0, 212, 200, 0.14);
  color: var(--text-primary);
}

.community-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--accent);
  transition: filter var(--transition);
}

.community-card:hover .community-icon {
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.community-label {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.community-cta {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.community-card:hover .community-cta {
  color: var(--accent);
}

/* YouTube coming-soon disabled state */
.community-card.disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 92vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(0, 212, 200, 0.15);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.lightbox-close:hover {
  color: #fff;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #08090f;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-block: 2rem;
}

.footer-inner {
  text-align: center;
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  nav {
    gap: 1.25rem;
  }

  .logo-text {
    font-size: 0.95rem;
  }

  .thumb {
    min-width: 80px;
  }

  .community-card {
    padding: 1.5rem 2rem;
    min-width: 160px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-block: 7rem 3rem;
  }

  nav a {
    font-size: 0.75rem;
  }

  .logo-text {
    /* Hide text on very small screens, keep icon */
    display: none;
  }

  .thumb {
    min-width: 70px;
  }
}