/* ============================================================
   SPINROUTE 200 AU — CSS ARCHITECTURE (assets/css/style.css)
   BEM Syntax, Cyber Emerald Aesthetic & Responsive Grid Systems
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@600;700;800&display=swap');

:root {
  --sr-bg-dark: #0B0F19;
  --sr-bg-surface: #111827;
  --sr-bg-card: rgba(17, 24, 39, 0.85);
  --sr-border: rgba(0, 230, 118, 0.18);
  --sr-border-glow: rgba(0, 230, 118, 0.45);

  --sr-primary: #00E676;
  --sr-primary-hover: #33EB91;
  --sr-accent-cyan: #00F0FF;
  --sr-accent-gold: #FFD700;
  --sr-accent-rose: #FF3366;

  --sr-text-main: #F9FAFB;
  --sr-text-muted: #9CA3AF;
  --sr-text-dim: #6B7280;

  --sr-font-heading: 'Outfit', sans-serif;
  --sr-font-body: 'Inter', sans-serif;

  --sr-radius-sm: 8px;
  --sr-radius-md: 14px;
  --sr-radius-lg: 24px;
  --sr-radius-pill: 999px;

  --sr-shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.4);
  --sr-shadow-glow: 0 0 25px rgba(0, 230, 118, 0.25);

  --sr-transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--sr-bg-dark);
  color: var(--sr-text-main);
  font-family: var(--sr-font-body);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.sr-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header Rail */
.sr-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(11, 15, 25, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sr-border);
  height: 76px;
  display: flex;
  align-items: center;
}

.sr-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sr-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sr-font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: #FFF;
}

.sr-brand__tag {
  background: var(--sr-primary);
  color: #04140B;
  padding: 0.15rem 0.55rem;
  border-radius: var(--sr-radius-sm);
  font-size: 0.9rem;
}

.sr-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.sr-nav__link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sr-text-muted);
  transition: var(--sr-transition);
}

.sr-nav__link:hover, .sr-nav__link--active {
  color: var(--sr-primary);
}

.sr-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sr-lang-btn {
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--sr-border);
  border-radius: var(--sr-radius-pill);
  color: #FFF;
  font-weight: 600;
  font-size: 0.85rem;
}

.sr-burger {
  display: none;
  font-size: 1.5rem;
  color: #FFF;
}

/* Disclaimer Banner */
.sr-disclaimer-strip {
  background: rgba(0, 230, 118, 0.08);
  border-bottom: 1px solid var(--sr-border);
  padding: 0.6rem 0;
  text-align: center;
  font-size: 0.825rem;
  color: var(--sr-primary);
  font-weight: 600;
}

/* Hero Section */
.sr-hero {
  padding: 4rem 0 3rem;
  background: radial-gradient(circle at 50% 10%, rgba(0, 230, 118, 0.08) 0%, transparent 65%);
}

.sr-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .sr-hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.sr-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: var(--sr-radius-pill);
  color: var(--sr-primary);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.sr-title {
  font-family: var(--sr-font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFF;
  margin-bottom: 1.25rem;
}

.sr-title span {
  color: var(--sr-primary);
}

.sr-lead {
  font-size: 1.1rem;
  color: var(--sr-text-muted);
  margin-bottom: 2rem;
}

.sr-offer-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--sr-radius-md);
  padding: 0.75rem 1.25rem;
  margin-bottom: 2rem;
}

.sr-offer-chip strong {
  font-family: var(--sr-font-heading);
  font-size: 1.8rem;
  color: var(--sr-accent-gold);
}

.sr-offer-chip span {
  font-size: 0.95rem;
  color: var(--sr-text-main);
  font-weight: 600;
}

.sr-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.sr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: var(--sr-radius-md);
  font-family: var(--sr-font-heading);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--sr-transition);
}

.sr-btn--primary {
  background: var(--sr-primary);
  color: #04140B;
  box-shadow: 0 4px 20px rgba(0, 230, 118, 0.35);
}

.sr-btn--primary:hover {
  background: var(--sr-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 230, 118, 0.5);
}

.sr-btn--outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sr-border);
  color: #FFF;
}

.sr-btn--outline:hover {
  border-color: var(--sr-primary);
  background: rgba(0, 230, 118, 0.1);
}

/* Orbit Graphic Box */
.sr-orbit-box {
  background: var(--sr-bg-surface);
  border: 1px solid var(--sr-border);
  border-radius: var(--sr-radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--sr-shadow-subtle);
  position: relative;
  overflow: hidden;
}

.sr-orbit-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px stroke dashed var(--sr-primary);
  background: radial-gradient(circle, rgba(0, 230, 118, 0.2) 0%, transparent 70%);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sr-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sr-primary);
  box-shadow: var(--sr-shadow-glow);
  animation: pulseGlow 3s infinite alternate;
}

/* Game Shell & Board */
.sr-game-shell {
  background: var(--sr-bg-surface);
  border: 1px solid var(--sr-border);
  border-radius: var(--sr-radius-lg);
  padding: 2rem;
  margin: 3rem 0;
  box-shadow: var(--sr-shadow-subtle);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .sr-game-shell {
    grid-template-columns: 260px 1fr 240px;
  }
}

.sr-panel {
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--sr-radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sr-panel__kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sr-primary);
  font-weight: 700;
}

.sr-panel__title {
  font-family: var(--sr-font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFF;
}

.sr-stats-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sr-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--sr-radius-sm);
  font-size: 0.9rem;
}

.sr-stat-row b {
  font-family: var(--sr-font-heading);
  font-size: 1.1rem;
  color: var(--sr-primary);
}

/* Route Board Grid */
.sr-board {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sr-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--sr-radius-sm);
  font-weight: 700;
}

.sr-tile-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
}

.sr-tile {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--sr-radius-sm);
  color: var(--sr-text-muted);
  font-family: var(--sr-font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--sr-transition);
}

.sr-tile:hover:not(:disabled) {
  border-color: var(--sr-primary);
  background: rgba(0, 230, 118, 0.15);
  color: #FFF;
}

.sr-tile.active {
  background: var(--sr-primary);
  color: #04140B;
  border-color: var(--sr-primary);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.5);
}

.sr-tile.blocked {
  background: rgba(255, 51, 106, 0.1);
  border-color: rgba(255, 51, 106, 0.3);
  color: var(--sr-accent-rose);
  cursor: not-allowed;
  opacity: 0.5;
}

.sr-tile.goal {
  background: rgba(255, 215, 0, 0.15);
  border-color: var(--sr-accent-gold);
  color: var(--sr-accent-gold);
}

.sr-queue-item {
  padding: 0.5rem 0.75rem;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--sr-radius-sm);
  font-size: 0.85rem;
  color: var(--sr-accent-cyan);
  font-weight: 600;
}

.sr-reward-card {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.15), rgba(0, 240, 255, 0.1));
  border: 1px solid var(--sr-border-glow);
  border-radius: var(--sr-radius-md);
  padding: 1rem;
  text-align: center;
}

.sr-reward-card strong {
  display: block;
  font-family: var(--sr-font-heading);
  font-size: 1.4rem;
  color: var(--sr-primary);
  margin: 0.25rem 0;
}

/* Feature Cards Grid */
.sr-section {
  padding: 4rem 0;
}

.sr-section-title {
  font-family: var(--sr-font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  text-align: center;
  color: #FFF;
  margin-bottom: 0.75rem;
}

.sr-section-sub {
  text-align: center;
  color: var(--sr-text-muted);
  max-width: 600px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

.sr-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .sr-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sr-card {
  background: var(--sr-bg-card);
  border: 1px solid var(--sr-border);
  border-radius: var(--sr-radius-lg);
  padding: 2rem;
  transition: var(--sr-transition);
}

.sr-card:hover {
  border-color: var(--sr-border-glow);
  transform: translateY(-4px);
  box-shadow: var(--sr-shadow-glow);
}

.sr-card h3 {
  font-family: var(--sr-font-heading);
  font-size: 1.3rem;
  color: #FFF;
  margin-bottom: 0.75rem;
}

.sr-card p {
  color: var(--sr-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Legal Box */
.sr-legal-box {
  background: var(--sr-bg-surface);
  border: 1px solid var(--sr-border);
  border-radius: var(--sr-radius-lg);
  padding: 2.5rem;
  margin: 2rem auto 4rem;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sr-legal-box h2 {
  font-family: var(--sr-font-heading);
  font-size: 1.4rem;
  color: var(--sr-primary);
  margin-bottom: 0.75rem;
}

.sr-legal-box p, .sr-legal-box ul {
  color: var(--sr-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.sr-legal-box ul {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

/* Footer */
.sr-footer {
  background: #070A10;
  border-top: 1px solid var(--sr-border);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.sr-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.sr-footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.sr-footer-links a {
  color: var(--sr-text-muted);
  font-size: 0.9rem;
  transition: var(--sr-transition);
}

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

.sr-footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--sr-text-dim);
  text-align: center;
}

@keyframes pulseGlow {
  from { box-shadow: 0 0 15px rgba(0, 230, 118, 0.2); }
  to { box-shadow: 0 0 35px rgba(0, 230, 118, 0.6); }
}