/* ============================================================
   Guardian of the FloatingLand – Landing Page
   ============================================================ */

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

:root {
  --bg: #060a14;
  --bg-card: rgba(15, 22, 40, 0.72);
  --bg-card-hover: rgba(22, 32, 58, 0.82);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(250, 204, 21, 0.35);
  --text: #f1f5f9;
  --text-soft: #94a3b8;
  --text-dim: #64748b;
  --gold: #facc15;
  --gold-light: #fef08a;
  --gold-dark: #d97706;
  --blue: #38bdf8;
  --pink: #f472b6;
  --green: #4ade80;
  --radius: 20px;
  --radius-sm: 12px;
  --transition: 0.32s cubic-bezier(0.22, 0.68, 0, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ─── Nav ───────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 1.5rem;
  backdrop-filter: blur(16px) saturate(140%);
  background: rgba(6, 10, 20, 0.72);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-nav.is-scrolled {
  background: rgba(6, 10, 20, 0.92);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 76rem;
  margin: 0 auto;
  height: 4rem;
}

.nav-logo-img {
  height: 2.2rem;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--gold);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #111;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(250, 204, 21, 0.3);
}

.nav-burger {
  display: none;
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 2rem;
  height: 1.4rem;
  position: relative;
}

.nav-burger span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-burger span:nth-child(1) { top: 0; }
.nav-burger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-burger span:nth-child(3) { bottom: 0; }

.nav-burger.is-open span:nth-child(1) { transform: translateY(0.55rem) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-0.55rem) rotate(-45deg); }

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7rem 1.5rem 4rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(56, 189, 248, 0.12), transparent),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(250, 204, 21, 0.08), transparent),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(244, 114, 182, 0.06), transparent),
    var(--bg);
}

.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 76rem;
  width: 100%;
}

.hero-logo {
  width: min(100%, 28rem);
  margin-bottom: 1rem;
  filter: drop-shadow(0 16px 40px rgba(250, 204, 21, 0.15));
  animation: floatLogo 4s ease-in-out infinite;
}

@keyframes floatLogo {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-eyebrow {
  font-family: "Courier New", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.hero-title {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, #fff 30%, var(--text-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-soft);
  max-width: 34rem;
  margin-bottom: 1.8rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image {
  width: 100%;
  max-width: 32rem;
  border-radius: 24px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
  animation: floatImage 5s ease-in-out infinite;
}

@keyframes floatImage {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(0.5deg); }
}

.hero-image-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(250, 204, 21, 0.12) 0%, transparent 60%);
  pointer-events: none;
  filter: blur(40px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-arrow {
  display: block;
  width: 1.6rem;
  height: 1.6rem;
  border-right: 2px solid rgba(255, 255, 255, 0.3);
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
  transform: rotate(45deg);
}

@keyframes scrollBounce {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.8; transform: translateX(-50%) translateY(8px); }
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #f59e0b);
  color: #111;
  box-shadow: 0 8px 32px rgba(250, 204, 21, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(250, 204, 21, 0.4);
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.35) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: btnGlow 3s ease-in-out infinite;
}

@keyframes btnGlow {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--gold);
  background: rgba(250, 204, 21, 0.06);
}

.btn-large {
  padding: 1.1rem 2.6rem;
  font-size: 1rem;
}

/* ─── Sections ──────────────────────────────────────────────── */
.section {
  padding: 6rem 1.5rem;
  position: relative;
}

.section-inner {
  max-width: 76rem;
  margin: 0 auto;
}

.section-eyebrow {
  font-family: "Courier New", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #fff 20%, var(--text-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-soft);
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

/* ─── Features ──────────────────────────────────────────────── */
.features-section {
  background:
    radial-gradient(ellipse 40% 30% at 10% 90%, rgba(56, 189, 248, 0.06), transparent),
    radial-gradient(ellipse 40% 30% at 90% 10%, rgba(250, 204, 21, 0.05), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.feature-card {
  position: relative;
  padding: 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(250, 204, 21, 0.06), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 4px 12px rgba(250, 204, 21, 0.2));
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.65;
}

/* ─── Biomes ────────────────────────────────────────────────── */
.biomes-section {
  padding-bottom: 4rem;
  background:
    radial-gradient(ellipse 50% 40% at 50% 0%, rgba(244, 114, 182, 0.06), transparent);
}

.biomes-track {
  display: flex;
  gap: 1.2rem;
  padding: 0 1.5rem 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.biomes-track::-webkit-scrollbar {
  display: none;
}

.biome-card {
  position: relative;
  flex: 0 0 18rem;
  height: 24rem;
  border-radius: var(--radius);
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.biome-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: hsla(var(--biome-hue), 70%, 60%, 0.4);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 40px hsla(var(--biome-hue), 70%, 50%, 0.12);
}

.biome-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.biome-card:hover .biome-bg {
  transform: scale(1.08);
}

.biome-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.7) 100%);
}

.biome-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.4rem;
  z-index: 1;
}

.biome-number {
  display: inline-block;
  font-family: "Courier New", monospace;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.14em;
  padding: 0.25rem 0.55rem;
  border: 1px solid rgba(250, 204, 21, 0.35);
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.biome-info h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
}

.biome-info p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.5;
}

/* ─── Characters ────────────────────────────────────────────── */
.characters-section {
  background:
    radial-gradient(ellipse 50% 40% at 30% 80%, rgba(74, 222, 128, 0.06), transparent),
    radial-gradient(ellipse 50% 40% at 70% 20%, rgba(56, 189, 248, 0.05), transparent);
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
  max-width: 56rem;
  margin: 0 auto;
}

.character-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.8rem;
  align-items: center;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.character-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.character-card-visual {
  position: relative;
  width: 8rem;
  height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.character-card-img {
  width: 6.5rem;
  height: 6.5rem;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.4));
  animation: floatChar 3.5s ease-in-out infinite;
}

@keyframes floatChar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.character-card-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: radial-gradient(circle, rgba(250, 204, 21, 0.08), transparent 70%);
}

.character-card-info h3 {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 0.3rem;
}

.character-card-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 800;
  color: var(--bg);
  background: var(--gold);
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.character-card-info p {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 0.8rem;
}

.character-traits {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.character-traits li {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-soft);
}

.character-traits li::before {
  content: "✦";
  margin-right: 0.35rem;
  color: var(--gold);
  font-size: 0.55rem;
}

/* ─── How to Play ───────────────────────────────────────────── */
.howto-section {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(250, 204, 21, 0.05), transparent);
}

.howto-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.howto-step {
  text-align: center;
  padding: 2rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition);
}

.howto-step:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.howto-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #111;
  font-size: 1.2rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  box-shadow: 0 8px 24px rgba(250, 204, 21, 0.2);
}

.howto-step h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.howto-step p {
  font-size: 0.84rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.howto-cta {
  text-align: center;
}

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  padding: 4rem 1.5rem 2.5rem;
  text-align: center;
  border-top: 1px solid var(--border);
  background:
    radial-gradient(ellipse 40% 30% at 50% 0%, rgba(250, 204, 21, 0.04), transparent),
    var(--bg);
}

.footer-inner {
  max-width: 40rem;
  margin: 0 auto;
}

.footer-logo {
  width: 12rem;
  margin: 0 auto 1rem;
  filter: drop-shadow(0 8px 20px rgba(250, 204, 21, 0.1));
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-soft);
  margin-bottom: 2rem;
}

.footer-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

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

.footer-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  background: linear-gradient(180deg, var(--gold), var(--gold-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-stat span {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-divider {
  width: 3rem;
  height: 2px;
  background: var(--border);
  margin: 0 auto 1.5rem;
  border-radius: 999px;
}

.footer-credit {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 0.3rem;
}

.footer-credit strong {
  color: var(--gold);
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ─── Scroll Reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.15s;
}

.reveal-delay-2 {
  transition-delay: 0.3s;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 68rem) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .howto-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 52rem) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-image {
    max-width: 22rem;
  }

  .characters-grid {
    grid-template-columns: 1fr;
    max-width: 32rem;
  }

  .character-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .character-traits {
    justify-content: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 1rem 0;
    background: rgba(6, 10, 20, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links .nav-link {
    padding: 0.8rem 1.5rem;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--border);
  }

  .nav-burger {
    display: block;
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 36rem) {
  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .biome-card {
    flex: 0 0 15rem;
    height: 20rem;
  }

  .footer-stats {
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .section {
    padding: 4rem 1rem;
  }

  .hero {
    padding: 6rem 1rem 3rem;
  }
}