/* =========================================================
   SHUNYA — Brand Design System
   Dark, premium, glassmorphic indie game studio site.
   Vanilla CSS only. No frameworks.
   ========================================================= */

:root {
  --primary: #7C3AED;
  --secondary: #EC4899;
  --accent: #22C55E;
  --highlight: #F59E0B;
  --bg: #0F172A;
  --bg-alt: #131c34;
  --card: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #F1F5F9;
  --text-dim: #94A3B8;

  --font-display: "Poppins", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;

  --shadow-glow: 0 10px 40px rgba(124, 58, 237, 0.25);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: light) {
  :root { color-scheme: dark; }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 0 0.5em;
  letter-spacing: -0.02em;
}

p { color: var(--text-dim); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =========================================================
   Ambient animated background — fruit-merge orb motif
   ========================================================= */

.orb-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: drift 22s ease-in-out infinite;
}

.orb.o1 { width: 380px; height: 380px; background: var(--primary); top: -80px; left: -60px; animation-duration: 26s; }
.orb.o2 { width: 320px; height: 320px; background: var(--secondary); top: 40%; right: -100px; animation-duration: 30s; animation-delay: -6s; }
.orb.o3 { width: 260px; height: 260px; background: var(--accent); bottom: -80px; left: 20%; animation-duration: 24s; animation-delay: -12s; }
.orb.o4 { width: 220px; height: 220px; background: var(--highlight); bottom: 10%; right: 15%; animation-duration: 28s; animation-delay: -3s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.08); }
  66% { transform: translate(-25px, 25px) scale(0.95); }
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(124,58,237,0.18), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(236,72,153,0.14), transparent 45%),
    var(--bg);
}

main, header, footer { position: relative; z-index: 1; }

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

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(15, 23, 42, 0.65);
  border-bottom: 1px solid var(--card-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s var(--ease);
  position: relative;
}

.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--text);
}

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #06210f;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,197,94,0.35); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-display);
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 46px rgba(236,72,153,0.35); }

.btn-secondary {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }

.btn-play {
  background: linear-gradient(135deg, #34D399, var(--accent));
  color: #06210f;
  box-shadow: 0 10px 30px rgba(34,197,94,0.3);
}
.btn-play:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(34,197,94,0.4); }

/* =========================================================
   Hero
   ========================================================= */

.hero {
  padding: 120px 0 100px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--card-border);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.2rem);
  line-height: 0.95;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #fff 40%, var(--secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.subtitle {
  font-size: 1.25rem;
  color: var(--text-dim);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-art {
  position: relative;
}

.hero-art img {
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 500;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  animation: float-art 6s ease-in-out infinite;
}

@keyframes float-art {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.hero-art::after {
  content: "";
  position: absolute;
  inset: -30px;
  z-index: -1;
  background: radial-gradient(circle, rgba(124,58,237,0.35), transparent 70%);
  filter: blur(30px);
}

/* =========================================================
   Sections & glass cards
   ========================================================= */

section { padding: 100px 0; }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-head .eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  display: block;
}

.section-head h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.section-head p { font-size: 1.1rem; }

.glass-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 40px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.25);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-copy {
  grid-column: span 3;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
  font-size: 1.15rem;
}

.stat-card {
  text-align: center;
}

.stat-card .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-card .label {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-top: 6px;
}

/* Featured game */

.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
  padding: 0;
  overflow: hidden;
}

.feature-showcase img.banner {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.feature-content {
  padding: 48px 48px 48px 0;
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  margin-bottom: 20px;
  box-shadow: 0 12px 28px rgba(124,58,237,0.4);
}

.feature-content h3 { font-size: 2rem; }
.feature-content .tagline { color: var(--highlight); font-weight: 600; margin-bottom: 16px; }

.feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Games page cards */

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.game-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.game-card .thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: contain;
  background: rgba(0,0,0,0.15);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.game-card .body { padding: 32px; }

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.status-badge.released { background: rgba(34,197,94,0.18); color: var(--accent); }
.status-badge.soon { background: rgba(245,158,11,0.18); color: var(--highlight); }

.coming-soon-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 340px;
  text-align: center;
  border-style: dashed;
}

/* Contact form */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.form-group { margin-bottom: 22px; }

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

input, textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255,255,255,0.08);
}

textarea { resize: vertical; min-height: 140px; }

.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--accent);
  display: none;
}

.form-status.visible { display: block; }

.contact-info .info-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.contact-info .info-row .ico {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

/* Privacy page */

.policy-doc h2 { margin-top: 2.2em; font-size: 1.5rem; }
.policy-doc h2:first-of-type { margin-top: 0; }
.policy-doc p, .policy-doc li { color: var(--text-dim); }
.policy-doc ul { padding-left: 22px; }
.policy-updated {
  display: inline-block;
  margin-bottom: 32px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--card-border);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 404 page */

.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}

.error-page .code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 10rem);
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(120deg, var(--primary), var(--secondary), var(--highlight));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =========================================================
   Footer
   ========================================================= */

footer {
  border-top: 1px solid var(--card-border);
  padding: 56px 0 32px;
  margin-top: 60px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand .logo { font-size: 1.3rem; }
.footer-brand p { max-width: 320px; margin-top: 12px; }

.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-links h4 { font-size: 0.9rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-links ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text); font-size: 0.95rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding-top: 24px;
  border-top: 1px solid var(--card-border);
}

/* =========================================================
   Scroll-reveal animation utility
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 90px 0 60px; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero p.subtitle { margin-left: auto; margin-right: auto; }
  .about-grid { grid-template-columns: 1fr; }
  .about-copy { grid-column: span 1; }
  .feature-showcase { grid-template-columns: 1fr; }
  .feature-showcase img.banner { border-radius: var(--radius-lg) var(--radius-lg) 0 0; max-height: 320px; }
  .feature-content { padding: 8px 32px 40px; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: rgba(15,23,42,0.97);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--card-border);
  }
  .nav-toggle { display: block; }
  .feature-list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  section { padding: 64px 0; }
  .glass-card { padding: 28px; }
}