/* ==============================================================================
   Alpha Omega - Official Game Website
   A Venture by Hurel Software (https://hurelsoftware.com)
   Design System: Material Design 3 Dark (Anti-Halation Deep Slate) + Sci-Fi Arcade
   100% Zero-CDN, Self-Hosted Fonts & Assets
   ============================================================================== */

/* ==============================================================================
   1. Self-Hosted Inter Font Family (GDPR & Zero CDN Compliant)
   ============================================================================== */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-400.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-500.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-600.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-700.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../assets/fonts/inter-latin-800.woff2") format("woff2");
}

/* ==============================================================================
   2. Design Tokens & Color System
   ============================================================================== */
:root {
  /* Surfaces & Backgrounds - Deep Slate Base */
  --md-sys-color-background: #0f172a;
  --md-sys-color-surface: #0d0f12;
  --md-sys-color-surface-variant: #1e293b;
  --md-sys-color-surface-container: #162032;
  --md-sys-color-border: #334155;
  --md-sys-color-border-hover: #475569;

  /* Typography Colors */
  --md-sys-color-on-background: #f8fafc;
  --md-sys-color-on-surface: #e2e2e5;
  --md-sys-color-on-surface-variant: #94a3b8;
  --md-sys-color-on-surface-subtle: #64748b;

  /* Sci-Fi Brand Accents */
  --md-sys-color-primary: #38bdf8;
  --md-sys-color-primary-hover: #7dd3fc;
  --md-sys-color-primary-container: rgba(56, 189, 248, 0.12);
  --md-sys-color-on-primary-container: #bae6fd;
  --md-sys-color-accent: #99c7ff;

  /* Semantic Highlights */
  --md-sys-color-success: #34d399;
  --md-sys-color-warning: #fbbf24;
  --md-sys-color-error: #f87171;

  /* Sci-Fi Neon Glows & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 12px -1px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.55);
  --glow-cyan: 0 0 20px rgba(56, 189, 248, 0.3);
  --glow-cyan-strong: 0 0 30px rgba(56, 189, 248, 0.6);

  /* Aliases for Full Backward Compatibility */
  --md-surface: var(--md-sys-color-surface);
  --md-surface-variant: var(--md-sys-color-surface-variant);
  --md-on-surface: var(--md-sys-color-on-surface);
  --md-on-surface-variant: var(--md-sys-color-on-surface-variant);
  --md-accent: var(--md-sys-color-primary);
  --md-primary-container: var(--md-sys-color-primary-container);
  --md-on-primary-container: var(--md-sys-color-on-primary-container);
  --shadow-lv1: var(--shadow-sm);
  --shadow-lv2: var(--shadow-md);
  --shadow-lv3: var(--shadow-lg);

  /* Geometry & Layout */
  --font-family:
    "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --navbar-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==============================================================================
   3. Base Resets & Global Styles
   ============================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--navbar-height) + 20px);
}

body {
  background-color: var(--md-sys-color-background);
  background-image:
    radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(56, 189, 248, 0.08),
      transparent 70%
    ),
    radial-gradient(
      circle at 10% 40%,
      rgba(153, 199, 255, 0.04),
      transparent 40%
    );
  background-attachment: fixed;
  color: var(--md-sys-color-on-surface);
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.65;
  padding-top: var(--navbar-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--md-sys-color-primary-hover);
}

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

/* Container */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  flex: 1 0 auto;
}

/* ==============================================================================
   4. Navbar & Navigation
   ============================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(13, 15, 18, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.4));
  transition: transform var(--transition-fast);
}

.nav-brand-group:hover .nav-logo {
  transform: scale(1.08) rotate(3deg);
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--md-sys-color-on-background);
  line-height: 1.1;
}

.nav-brand-tagline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-sys-color-primary);
}

/* Parent Brand Link ("A Venture by Hurel Software") */
.parent-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--md-sys-color-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-left: 12px;
  transition: all var(--transition-fast);
}

.parent-brand-badge:hover {
  color: var(--md-sys-color-primary);
  border-color: var(--md-sys-color-primary);
  background: rgba(56, 189, 248, 0.1);
  transform: translateY(-1px);
}

.parent-brand-badge img {
  width: 14px;
  height: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--md-sys-color-on-background);
  background: rgba(51, 65, 85, 0.35);
}

.nav-links a.btn-cta {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border: 1px solid rgba(56, 189, 248, 0.3);
  font-weight: 600;
}

.nav-links a.btn-cta:hover {
  background: var(--md-sys-color-primary);
  color: #0f172a;
  border-color: var(--md-sys-color-primary);
}

/* ==============================================================================
   5. Hero Showcase Section
   ============================================================================== */
.hero-section {
  padding: clamp(2rem, 5vw, 4rem) 0 2rem;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--md-sys-color-primary-container);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--md-sys-color-on-primary-container);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-pill .dot {
  width: 8px;
  height: 8px;
  background-color: var(--md-sys-color-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--md-sys-color-primary);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

.hero-text h1 {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--md-sys-color-on-background);
  margin-bottom: 1rem;
}

.hero-text .subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--md-sys-color-primary);
  max-width: 780px;
  margin: 0 auto 1.5rem;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface-variant);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* Banner Hero Image */
.hero-banner-black {
  background: #000000;
  border: 1px solid var(--md-sys-color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow:
    var(--shadow-lg),
    0 0 40px rgba(0, 0, 0, 0.8);
  margin-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero-banner-black::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--md-sys-color-primary),
    transparent
  );
}

.hero-banner-black .image-gallery {
  max-width: 680px;
  width: 100%;
  margin: 0;
}

.hero-banner-black .image-gallery img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-smooth);
}

.hero-banner-black .image-gallery img:hover {
  transform: scale(1.02);
}

/* ==============================================================================
   6. Video Trailer Container (Futuristic HUD Frame)
   ============================================================================== */
.video-section {
  margin: 3rem 0 4.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  font-weight: 800;
  color: var(--md-sys-color-on-background);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 1rem;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
  background: #000;
  border-radius: var(--radius-lg);
  border: 1px solid var(--md-sys-color-border);
  box-shadow:
    var(--shadow-lg),
    0 0 35px rgba(56, 189, 248, 0.15);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ==============================================================================
   7. Features Grid & Modules
   ============================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4.5rem;
}

.section-block {
  background-color: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.section-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--md-sys-color-primary),
    var(--md-sys-color-accent)
  );
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.section-block:hover {
  transform: translateY(-4px);
  border-color: var(--md-sys-color-border-hover);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

.section-block:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--md-sys-color-primary-container);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--md-sys-color-primary);
  margin-bottom: 1.25rem;
}

.section-block h2,
.section-block h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--md-sys-color-on-background);
  margin-bottom: 0.75rem;
}

.section-block p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==============================================================================
   8. Download CTA Block (Liftoff)
   ============================================================================== */
.play-btn-container {
  background: linear-gradient(
    180deg,
    var(--md-sys-color-surface-container) 0%,
    var(--md-sys-color-surface) 100%
  );
  border: 1px solid var(--md-sys-color-border);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 4rem) 1.5rem;
  text-align: center;
  margin: 3rem 0 5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.play-btn-container::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--md-sys-color-primary),
    transparent
  );
}

.play-btn-container h3 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--md-sys-color-on-background);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.play-btn-container p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto 1.5rem;
}

.game-perks {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

.game-perk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--md-sys-color-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
}

.game-perk svg {
  color: var(--md-sys-color-success);
}

.google-play-badge {
  height: 68px;
  width: auto;
  display: inline-block;
  transition:
    transform var(--transition-fast),
    filter var(--transition-fast);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

.google-play-badge:hover {
  transform: scale(1.06);
  filter: drop-shadow(0 8px 20px rgba(56, 189, 248, 0.4));
}

.play-tagline {
  margin-top: 2rem !important;
  font-weight: 700;
  color: var(--md-sys-color-primary) !important;
  letter-spacing: 0.02em;
}

/* ==============================================================================
   9. Contact Form Styles
   ============================================================================== */
.contact-container {
  max-width: 640px;
  margin: 2rem auto 5rem;
}

.contact-container header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.contact-container h1 {
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 800;
  color: var(--md-sys-color-on-background);
  margin-bottom: 0.5rem;
}

.contact-container .subtitle {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 1.05rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.form-group label {
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface);
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  background-color: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-background);
  border: 1px solid var(--md-sys-color-border);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--md-sys-color-primary);
  box-shadow:
    0 0 0 1px var(--md-sys-color-primary),
    var(--glow-cyan);
  background-color: var(--md-sys-color-surface-container);
}

.submit-btn {
  background-color: var(--md-sys-color-primary);
  color: #0f172a;
  border: none;
  padding: 15px 32px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
  margin-top: 10px;
}

.submit-btn:hover {
  background-color: var(--md-sys-color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

.direct-email-help {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--md-sys-color-on-surface-subtle);
}

.direct-email-help a {
  color: var(--md-sys-color-primary);
  font-weight: 600;
}

/* ==============================================================================
   10. Legal Pages (Privacy Policy & Terms)
   ============================================================================== */
.legal-container {
  max-width: 820px;
  margin: 2rem auto 5rem;
}

.legal-container header {
  text-align: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--md-sys-color-border);
  padding-bottom: 2rem;
}

.legal-container h1 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 800;
  color: var(--md-sys-color-on-background);
  margin-bottom: 0.5rem;
}

.legal-container .subtitle {
  color: var(--md-sys-color-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.legal-content .section-block {
  margin-bottom: 2rem;
}

.legal-content ul {
  padding-left: 1.5rem;
  margin-top: 0.75rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
  color: var(--md-sys-color-on-surface-variant);
}

/* ==============================================================================
   11. 404 Error Terminal Page
   ============================================================================== */
.error-404-container {
  text-align: center;
  padding: clamp(3rem, 10vh, 7rem) 1.5rem;
  max-width: 680px;
  margin: 0 auto;
}

.error-code-title {
  font-size: clamp(6rem, 16vw, 9.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--md-sys-color-primary);
  letter-spacing: -0.04em;
  text-shadow: 0 0 30px rgba(56, 189, 248, 0.4);
  margin-bottom: 0.5rem;
}

.error-404-container h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--md-sys-color-on-background);
  margin-bottom: 1rem;
}

.radar-box {
  background-color: #0b0f19;
  border: 1px solid var(--md-sys-color-border);
  border-left: 4px solid var(--md-sys-color-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: #93c5fd;
  text-align: left;
  line-height: 1.8;
  margin: 2rem auto;
  box-shadow: var(--shadow-md);
  max-width: 440px;
}

.btn-hyperjump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--md-sys-color-primary);
  color: #0f172a;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.btn-hyperjump:hover {
  background-color: var(--md-sys-color-primary-hover);
  color: #0f172a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-cyan);
}

/* ==============================================================================
   12. Footer
   ============================================================================== */
footer {
  margin-top: auto;
  border-top: 1px solid var(--md-sys-color-border);
  background-color: var(--md-sys-color-surface);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 1.5rem;
}

.footer-brand strong {
  font-size: 1.15rem;
  color: var(--md-sys-color-on-background);
  display: block;
  margin-bottom: 0.35rem;
}

.footer-brand p {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.9rem;
}

.footer-brand a.parent-link {
  color: var(--md-sys-color-primary);
  font-weight: 600;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.footer-links a {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--md-sys-color-primary);
}

.footer-copy {
  color: var(--md-sys-color-on-surface-subtle);
  font-size: 0.8rem;
}

/* ==============================================================================
   13. Responsive Adaptations
   ============================================================================== */
@media (max-width: 768px) {
  :root {
    --navbar-height: 80px;
  }

  .nav-content {
    flex-direction: column;
    gap: 8px;
    padding: 8px 1rem;
  }

  .nav-links {
    gap: 12px;
  }

  .parent-brand-badge {
    display: none; /* Hide in cramped mobile navbar, prominent in footer */
  }

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

  .play-btn-container {
    padding: 2.5rem 1rem;
  }

  .google-play-badge {
    height: 56px;
  }
}