/* ═══════════════════════════════════════════════════
   SEEDFALL — Bioluminescent Crystalline UI
   Dark sci-fi glassmorphism with cyan/emerald glow
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;900&family=Exo+2:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── CSS Variables ── */
:root {
  --void: #050a0e;
  --void-soft: #0a1018;
  --crystal: #0d1a26;
  --crystal-edge: #122436;
  --glow-cyan: #00e5ff;
  --glow-cyan-dim: #00b8d4;
  --glow-emerald: #00e676;
  --glow-emerald-dim: #00c853;
  --glow-amber: #ffab00;
  --text-primary: #e0f0ff;
  --text-secondary: #7da8c9;
  --text-muted: #3d6080;
  --glass-bg: rgba(10, 26, 42, 0.6);
  --glass-border: rgba(0, 229, 255, 0.12);
  --glass-hover: rgba(0, 229, 255, 0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Exo 2', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--void);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Animated Background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(0, 229, 255, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0, 230, 118, 0.03) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(0, 229, 255, 0.02) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Floating particles effect */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(0, 229, 255, 0.3), transparent),
    radial-gradient(1px 1px at 30% 70%, rgba(0, 230, 118, 0.2), transparent),
    radial-gradient(1px 1px at 60% 30%, rgba(0, 229, 255, 0.25), transparent),
    radial-gradient(1px 1px at 80% 60%, rgba(0, 230, 118, 0.15), transparent),
    radial-gradient(1.5px 1.5px at 45% 90%, rgba(0, 229, 255, 0.2), transparent),
    radial-gradient(1px 1px at 90% 15%, rgba(0, 230, 118, 0.3), transparent),
    radial-gradient(1px 1px at 15% 50%, rgba(0, 229, 255, 0.15), transparent),
    radial-gradient(1.5px 1.5px at 70% 45%, rgba(0, 230, 118, 0.2), transparent);
  animation: drift 30s linear infinite;
  pointer-events: none;
  z-index: 0;
}

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

/* ── Layout ── */
.page-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(5, 10, 14, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.nav-logo img {
  height: 32px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--glow-cyan);
  background: var(--glass-hover);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--glow-cyan);
  border-radius: 1px;
  box-shadow: 0 0 8px var(--glow-cyan);
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  overflow: hidden;
  margin-left: 12px;
}

.lang-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 10px;
  cursor: pointer;
  transition: var(--transition);
}

.lang-toggle-btn:first-child {
  border-right: 1px solid var(--glass-border);
}

.lang-toggle-btn:hover {
  color: var(--text-secondary);
}

.lang-toggle-btn.active {
  color: var(--glow-cyan);
  background: rgba(0, 229, 255, 0.1);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

/* Mobile menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 1px;
  transition: var(--transition);
}

/* ── Glass Panel ── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.2), transparent);
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-content {
  max-width: 700px;
  animation: fadeUp 1s ease-out;
}

.hero-logo {
  width: 280px;
  height: auto;
  margin-bottom: 32px;
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.2));
  animation: logoGlow 4s ease-in-out infinite alternate;
}

@keyframes logoGlow {
  0% { filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.15)); }
  100% { filter: drop-shadow(0 0 40px rgba(0, 229, 255, 0.3)); }
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--glow-cyan-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  letter-spacing: 4px;
  text-transform: uppercase;
  font-weight: 300;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--void);
  background: linear-gradient(135deg, var(--glow-cyan), var(--glow-emerald));
  padding: 16px 40px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glow-emerald), var(--glow-cyan));
  opacity: 0;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 229, 255, 0.3), 0 0 60px rgba(0, 229, 255, 0.1);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span {
  position: relative;
  z-index: 1;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--glow-cyan);
  background: transparent;
  padding: 12px 28px;
  border: 1px solid var(--glow-cyan);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
  transform: translateY(-1px);
}

/* ── Section Styles ── */
.section {
  padding: 100px 24px;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--glow-cyan), var(--glow-emerald));
  margin: 16px auto 0;
  border-radius: 1px;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 12px;
}

/* Section divider */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  border: none;
  margin: 0;
}

/* ── About Section ── */
.about-text {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}

.about-text p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
}

/* ── Features Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.feature-card {
  padding: 32px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(0, 229, 255, 0.25);
  background: rgba(10, 26, 42, 0.8);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.15);
  color: var(--glow-cyan);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(0, 230, 118, 0.08);
  border-color: rgba(0, 230, 118, 0.15);
  color: var(--glow-emerald);
}

.feature-card:nth-child(4) .feature-icon {
  background: rgba(255, 171, 0, 0.08);
  border-color: rgba(255, 171, 0, 0.15);
  color: var(--glow-amber);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Community Section ── */
.community-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.community-card {
  padding: 28px 36px;
  text-align: center;
  min-width: 200px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
}

.community-card:hover {
  border-color: rgba(0, 229, 255, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.community-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

.community-card:nth-child(1) .community-icon { color: #ff4500; }
.community-card:nth-child(2) .community-icon { color: #66c0f4; }
.community-card:nth-child(3) .community-icon { color: #f96854; }

.community-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Footer ── */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--glass-border);
  margin-top: auto;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--glow-cyan);
}

/* ── Page Header (for inner pages) ── */
.page-header {
  padding: 120px 24px 60px;
  text-align: center;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary), var(--glow-cyan-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* ── Content Panel (Privacy, etc) ── */
.content-panel {
  max-width: 800px;
  margin: 0 auto 80px;
  padding: 48px;
}

.content-panel h2 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--glow-cyan);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.content-panel h2:first-of-type {
  margin-top: 0;
}

.content-panel p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-panel ul {
  list-style: none;
  margin: 12px 0;
}

.content-panel ul li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
}

.content-panel ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--glow-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.4);
}

.content-panel a {
  color: var(--glow-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.3);
  transition: var(--transition);
}

.content-panel a:hover {
  border-bottom-color: var(--glow-cyan);
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.content-panel strong {
  color: var(--text-primary);
}

/* ── Support Form ── */
.form-panel {
  max-width: 600px;
  margin: 0 auto 80px;
  padding: 48px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  background: rgba(5, 10, 14, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.1);
  background: rgba(5, 10, 14, 0.8);
}

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

.form-submit {
  width: 100%;
  margin-top: 8px;
}

/* Form feedback */
.form-feedback {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
  animation: fadeUp 0.3s ease-out;
}

.form-feedback.success {
  display: block;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.25);
  color: var(--glow-emerald);
}

.form-feedback.error {
  display: block;
  background: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.25);
  color: #ff5252;
}

/* ── Animations ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(5, 10, 14, 0.95);
    backdrop-filter: blur(20px);
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
    gap: 4px;
  }

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

  .nav-hamburger {
    display: flex;
  }

  .nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .lang-toggle {
    margin-left: 0;
    align-self: center;
    margin-top: 8px;
  }

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

  .community-links {
    flex-direction: column;
    align-items: center;
  }

  .hero-logo {
    width: 200px;
  }

  .content-panel,
  .form-panel {
    padding: 28px 20px;
    margin-left: 16px;
    margin-right: 16px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 60px 16px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero {
    padding: 100px 16px 60px;
  }

  .hero-logo {
    width: 160px;
  }

  .btn-primary {
    padding: 14px 32px;
    font-size: 0.8rem;
  }
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--void);
}

::-webkit-scrollbar-thumb {
  background: var(--crystal-edge);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ── Selection ── */
::selection {
  background: rgba(0, 229, 255, 0.2);
  color: var(--text-primary);
}

/* ── SVG Icons (inline) ── */
.icon-svg {
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: middle;
}