/* ===== RESET & ROOT ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:      #0d1117;
  --bg-secondary:    #161b22;
  --bg-tertiary:     #21262d;
  --accent-primary:  #7c3aed;
  --accent-hover:    #6d28d9;
  --accent-blue:     #3b82f6;
  --accent-glow:     rgba(124, 58, 237, 0.35);
  --text-primary:    #e6edf3;
  --text-secondary:  #8b949e;
  --text-muted:      #484f58;
  --border:          #30363d;
  --border-hover:    #7c3aed;
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       20px;
  --shadow-card:     0 4px 24px rgba(0,0,0,0.5);
  --shadow-glow:     0 0 24px rgba(124, 58, 237, 0.4);
  --transition:      0.2s ease;
  --transition-md:   0.35s ease;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ===== SCROLL ANIMATIONS ===== */
.animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .animate { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

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

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 56px;
  height: 3px;
  background: var(--accent-primary);
  border-radius: 2px;
}

.section-header p {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== LANGUAGE SWITCHER ===== */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  transition: border-color var(--transition);
}

.lang-switcher:focus-within {
  border-color: var(--accent-primary);
}

.lang-icon {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.lang-select {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2px;
  transition: color var(--transition);
}

.lang-select:focus { color: var(--text-primary); }

.lang-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Mobile language row */
.nav-mobile-lang {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.nav-mobile-lang .lang-select {
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}

.nav-mobile.open { max-height: 300px; }

.nav-mobile a {
  padding: 14px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), background var(--transition);
}

.nav-mobile a:hover { color: var(--text-primary); background: var(--bg-tertiary); }

@media (max-width: 639px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile { display: flex; }
}

/* ===== HERO ===== */
#hero {
  padding-top: 140px;
  padding-bottom: 96px;
  display: flex;
  align-items: center;
  min-height: 100vh;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: auto 1fr;
    text-align: left;
    gap: 64px;
  }
}

.hero-avatar-wrap {
  display: flex;
  justify-content: center;
}

.hero-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  object-fit: cover;
  animation: pulse-glow 3s ease-in-out infinite;
  background: var(--bg-tertiary);
}

.avatar-fallback {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--accent-primary);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-primary);
  animation: pulse-glow 3s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 16px rgba(124, 58, 237, 0.3); }
  50%       { box-shadow: 0 0 36px rgba(124, 58, 237, 0.7); }
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.hero-name {
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-name span { color: var(--accent-primary); }

.hero-title {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 400;
}

.hero-bio {
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 1.02rem;
  max-width: 520px;
  line-height: 1.7;
}

@media (max-width: 767px) {
  .hero-bio { margin-left: auto; margin-right: auto; }
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-actions { justify-content: flex-start; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

/* ===== APPS SECTION ===== */
#apps { background: var(--bg-secondary); }

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.app-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-md), transform var(--transition-md), box-shadow var(--transition-md);
}

.app-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.app-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-tertiary);
}

.app-card-meta { flex: 1; }

.app-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-ios {
  background: rgba(59,130,246,0.12);
  color: #60a5fa;
  border: 1px solid rgba(59,130,246,0.25);
}
.badge-android {
  background: rgba(52,211,153,0.12);
  color: #34d399;
  border: 1px solid rgba(52,211,153,0.25);
}
.badge-rn {
  background: rgba(124,58,237,0.12);
  color: #a78bfa;
  border: 1px solid rgba(124,58,237,0.25);
}

.app-description {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

.app-features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.app-features li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.app-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
}

.app-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.btn-store {
  flex: 1;
  min-width: 120px;
  justify-content: center;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition);
  text-align: center;
}

.btn-store:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(124,58,237,0.08);
  transform: translateY(-1px);
}

/* ===== SUPPORT / DONATE SECTION ===== */
#support { background: var(--bg-primary); }

.donate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.donate-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  transition: transform var(--transition-md), box-shadow var(--transition-md), border-color var(--transition-md);
  border-top: 3px solid transparent;
}

.donate-card:hover {
  transform: translateY(-4px);
}

.donate-card.kofi  { border-top-color: #FF5E5B; }
.donate-card.bmc   { border-top-color: #FFDD00; }
.donate-card.paypal{ border-top-color: #009cde; }

.donate-card:hover.kofi   { box-shadow: 0 8px 32px rgba(255,94,91,0.2); border-color: rgba(255,94,91,0.3); }
.donate-card:hover.bmc    { box-shadow: 0 8px 32px rgba(255,221,0,0.15); border-color: rgba(255,221,0,0.3); }
.donate-card:hover.paypal { box-shadow: 0 8px 32px rgba(0,156,222,0.2); border-color: rgba(0,156,222,0.3); }

.donate-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.donate-card.kofi   .donate-icon { background: rgba(255,94,91,0.12); }
.donate-card.bmc    .donate-icon { background: rgba(255,221,0,0.12); }
.donate-card.paypal .donate-icon { background: rgba(0,156,222,0.12); }

.donate-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.donate-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.btn-donate {
  display: block;
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  margin-top: 4px;
  transition: filter var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}

.btn-donate:hover {
  filter: brightness(1.12);
  transform: scale(1.02);
}

.btn-kofi   { background: #FF5E5B; color: #fff; }
.btn-bmc    { background: #FFDD00; color: #1a1a1a; }
.btn-paypal { background: linear-gradient(135deg, #003087, #009cde); color: #fff; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  list-style: none;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.82rem;
}