/* Design tokens & base utilities */
:root{
  --clr-bg-start:#0F0F23;
  --clr-bg-mid:#1a1a2e;
  --clr-bg-end:#16213e;
  --neon-purple:#8B5CF6;
  --neon-blue:#3B82F6;
  --neon-pink:#EC4899;
  --neon-cyan:#06B6D4;
  --text:#ffffff;
  --muted: rgba(255,255,255,.75);
  --border: rgba(255,255,255,.1);
  --glass: rgba(255,255,255,.06);
  --glass-dark: rgba(15,15,35,.35);
}

*{box-sizing:border-box}
html{scroll-padding-top:80px} /* Account for fixed header height */
html,body{margin:0;padding:0}
body.bg-cyber-gradient{
  background:linear-gradient(135deg,var(--clr-bg-start) 0%,var(--clr-bg-mid) 50%,var(--clr-bg-end) 100%);
  color:var(--text);
  overflow-x:hidden;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.hidden{display:none}

/* Utility classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.flex-1 { flex: 1; }
.text-center { text-align: center; }
.p-2 { padding: 0.5rem; }

/* Responsive utilities - Mobile first approach */
/* Default: show on mobile */
.md\:hidden {
  display: block !important;
}

/* Force correct header positioning */
#site-nav-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
}

/* Force mobile menu button visibility on small screens */
@media (max-width: 767px) {
  .md\:hidden {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    z-index: 9999 !important;
  }
  
  /* Ensure header stays fixed on mobile */
  #site-nav-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
  }
  
}

/* Desktop: hide mobile elements */
@media (min-width: 768px) {
  .md\:hidden {
    display: none !important;
  }
  
  .hidden.md\:flex {
    display: flex !important;
  }
  
  .md\:flex {
    display: flex !important;
  }
  
  /* Remove debug styling on desktop */
  #mobileMenuBtn {
    border: none !important;
    background: rgba(139,92,246,0.2) !important;
  }
}

/* Reusable shells */
.glass{background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--border);}
.glass-dark{background:var(--glass-dark);backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,.3);}
.neon-glow{box-shadow:0 0 20px rgba(139,92,246,.5),0 0 40px rgba(139,92,246,.25),0 0 60px rgba(139,92,246,.15)}
.cyber-grid{
  position:fixed; inset:0; z-index:0;
  /* Grid removed - replaced with shooting stars */
}

/* Simple shooting star - just the star passing randomly */
.shooting-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 0 4px rgba(139,92,246,0.8), 0 0 8px rgba(255,255,255,0.6);
  opacity: 0;
}

.shooting-star:nth-child(1) {
  animation: star1 8s linear infinite;
}

.shooting-star:nth-child(2) {
  animation: star2 12s linear infinite;
  animation-delay: 4s;
}

.shooting-star:nth-child(3) {
  animation: star3 15s linear infinite;
  animation-delay: 9s;
}

@keyframes star1 {
  0% {
    transform: translate(10vw, -10px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translate(90vw, 60vh);
    opacity: 0;
  }
}

@keyframes star2 {
  0% {
    transform: translate(80vw, -20px);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    transform: translate(20vw, 70vh);
    opacity: 0;
  }
}

@keyframes star3 {
  0% {
    transform: translate(50vw, -30px);
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translate(5vw, 80vh);
    opacity: 0;
  }
}

.text-shimmer{
  background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink),var(--neon-cyan),var(--neon-purple));
  background-size:400% 100%;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:textShimmer 3s ease-in-out infinite;
}
@keyframes textShimmer{0%{background-position:-200% center}100%{background-position:200% center}}
@keyframes textTremor{0%,100%{transform:translateX(0)}25%{transform:translateX(-1px)}75%{transform:translateX(1px)}}

/* Emoji animations */
@keyframes emojiFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes emojiSparkle{0%,100%{transform:scale(1) rotate(0deg)}25%{transform:scale(1.1) rotate(5deg)}75%{transform:scale(0.9) rotate(-5deg)}}
@keyframes emojiRobot{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
@keyframes emojiSlide{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
@keyframes emojiRotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
@keyframes emojiPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}

/* Cyber icons */
.cyber-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto;
  position: relative;
  transition: all 0.3s ease;
  animation: cyberPulse 3s infinite;
}

.cyber-icon i {
  z-index: 2;
  position: relative;
}

.cyber-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: conic-gradient(from 0deg, transparent, currentColor, transparent);
  border-radius: 50%;
  animation: spin 2s linear infinite;
  opacity: 0.3;
}

.cyber-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15,15,35,0.8);
  border-radius: 50%;
  z-index: 1;
}

.cyber-icon-purple {
  color: var(--neon-purple);
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.3);
}

.cyber-icon-pink {
  color: var(--neon-pink);
  background: rgba(236,72,153,0.1);
  border: 1px solid rgba(236,72,153,0.3);
}

.cyber-icon-cyan {
  color: var(--neon-cyan);
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.3);
}

.cyber-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px currentColor;
}

@keyframes cyberPulse {
  0%, 100% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.floating-elements{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.floating-element{
  position:absolute;border-radius:50%;
  background:linear-gradient(45deg, rgba(139, 92, 246, 0.4), rgba(236, 72, 153, 0.4));
}

/* Reduced floating bubbles with more transparency */
.floating-element:nth-child(1) { left: 15%; width: 10px; height: 10px; animation: floatUp 14s infinite linear; animation-delay: 0s; }
.floating-element:nth-child(2) { left: 35%; width: 12px; height: 12px; animation: floatUp 16s infinite linear; animation-delay: 4s; background: linear-gradient(45deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2)); }
.floating-element:nth-child(3) { left: 55%; width: 14px; height: 14px; animation: floatUp 18s infinite linear; animation-delay: 8s; background: linear-gradient(45deg, rgba(236, 72, 153, 0.2), rgba(6, 182, 212, 0.2)); }
.floating-element:nth-child(4) { left: 75%; width: 11px; height: 11px; animation: floatUp 15s infinite linear; animation-delay: 12s; }
.floating-element:nth-child(5) { left: 25%; width: 13px; height: 13px; animation: floatUp 17s infinite linear; animation-delay: 16s; background: linear-gradient(45deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2)); }
.floating-element:nth-child(6) { left: 65%; width: 15px; height: 15px; animation: floatUp 19s infinite linear; animation-delay: 20s; background: linear-gradient(45deg, rgba(236, 72, 153, 0.2), rgba(6, 182, 212, 0.2)); }
.floating-element:nth-child(7) { left: 85%; width: 12px; height: 12px; animation: floatUp 16s infinite linear; animation-delay: 24s; }
.floating-element:nth-child(8) { left: 45%; width: 10px; height: 10px; animation: floatUp 14s infinite linear; animation-delay: 28s; background: linear-gradient(45deg, rgba(6, 182, 212, 0.2), rgba(139, 92, 246, 0.2)); }

/* Hide elements 9-20 to reduce bubble count */
.floating-element:nth-child(n+9) { display: none; }

@keyframes floatUp{
  0%{transform:translateY(100vh) rotate(0deg);opacity:0}
  10%,90%{opacity:0.2}
  100%{transform:translateY(-100px) rotate(360deg);opacity:0}
}

/* Enhanced particle system for stars effect */
.particle-system{position:fixed;inset:0;pointer-events:none;z-index:0}
.particle{
  position:absolute;
  width:2px;
  height:2px;
  background:white;
  border-radius:50%;
  animation:twinkle 2s infinite;
}
.particle.large{
  width:3px;
  height:3px;
  background:rgba(255,255,255,0.9);
  animation:twinkleLarge 3s infinite;
}
.particle.medium{
  width:2.5px;
  height:2.5px;
  background:rgba(139,92,246,0.8);
  animation:twinkleMedium 2.5s infinite;
}
.particle.small{
  width:1.5px;
  height:1.5px;
  background:rgba(6,182,212,0.7);
  animation:twinkleSmall 1.8s infinite;
}

@keyframes twinkle{
  0%,100%{opacity:0; transform:scale(1)}
  50%{opacity:1; transform:scale(1.2)}
}
@keyframes twinkleLarge{
  0%,100%{opacity:0; transform:scale(1)}
  30%{opacity:0.8; transform:scale(1.4)}
  70%{opacity:0.8; transform:scale(1.4)}
}
@keyframes twinkleMedium{
  0%,100%{opacity:0; transform:scale(1)}
  40%{opacity:0.7; transform:scale(1.3)}
  60%{opacity:0.7; transform:scale(1.3)}
}
@keyframes twinkleSmall{
  0%,100%{opacity:0; transform:scale(1)}
  50%{opacity:0.6; transform:scale(1.1)}
}

.cyber-input{
  width:100%;padding:18px 22px;border-radius:18px;text-align:center;
  background:rgba(15,15,35,.5);border:2px solid rgba(139,92,246,.35);color:white;
  font-weight:700;font-size:20px;transition:.25s;
}
.cyber-input:focus{outline:none;border-color:var(--neon-purple);box-shadow:0 0 18px rgba(139,92,246,.45)}
.cyber-input::placeholder{color:rgba(255,255,255,0.6)}

/* Input validation styles */
.input-group{position:relative}
.validation-message{
  font-size:12px;
  margin-top:6px;
  font-weight:600;
  text-align:left;
  padding-left:8px;
}
.validation-message.error{color:#ff4757}
.validation-message.success{color:#2ed573}
.validation-message.warning{color:#ffa726}

/* Password strength meter */
.password-strength{
  margin-top:8px;
  padding:0 8px;
}
.strength-meter{
  width:100%;
  height:4px;
  background:rgba(255,255,255,0.1);
  border-radius:2px;
  overflow:hidden;
  margin-bottom:6px;
}
.strength-bar{
  height:100%;
  transition:width 0.3s ease;
  border-radius:2px;
}
.strength-meter.weak .strength-bar{background:#ff4757}
.strength-meter.medium .strength-bar{background:#ffa726}
.strength-meter.strong .strength-bar{background:#2ed573}
.strength-text{
  font-size:11px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.5px;
}
.strength-text.weak{color:#ff4757}
.strength-text.medium{color:#ffa726}
.strength-text.strong{color:#2ed573}

/* Social login buttons */
.social-btn{
  min-width:140px;
  justify-content:flex-start;
  gap:8px;
}
.social-btn i{
  font-size:18px;
  width:20px;
  text-align:center;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:16px 28px;border-radius:14px;border:0;cursor:pointer;
  color:#fff;font-weight:800;letter-spacing:.03em;transition:.25s;
}
.btn-primary{background:linear-gradient(135deg,var(--neon-purple),var(--neon-pink))}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(139,92,246,.45)}
.btn-outline{background:transparent;border:1px solid var(--border)}

/* Tab styles for auth pages */
.tab-active{
  background:linear-gradient(135deg,var(--neon-purple),var(--neon-pink));
  border:2px solid var(--neon-purple);
  color:white;
  font-weight:800;
}
.tab-inactive{
  background:rgba(15,15,35,0.3);
  border:2px solid rgba(139,92,246,0.3);
  color:rgba(255,255,255,0.7);
  font-weight:600;
}
.tab-inactive:hover{
  background:rgba(139,92,246,0.1);
  border-color:rgba(139,92,246,0.5);
  color:rgba(255,255,255,0.9);
}
.tag{padding:10px 16px;border-radius:999px;font-weight:700}
.tag-cyan{color:var(--neon-cyan);background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.22)}
.tag-pink{color:var(--neon-pink);background:rgba(236,72,153,.08);border:1px solid rgba(236,72,153,.22)}
.tag-purple{color:var(--neon-purple);background:rgba(139,92,246,.08);border:1px solid rgba(139,92,246,.22)}

.hero-title{font-weight:900;line-height:1.1;margin:0}
.hero-title .line{display:block}
.shadow-lg{box-shadow:0 25px 60px rgba(0,0,0,.4)}
.round-xl{border-radius:24px}
.round-2xl{border-radius:32px}
.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mt-12{margin-top:3rem}
.mb-0{margin-bottom:0}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mb-12{margin-bottom:3rem}.mb-20{margin-bottom:5rem}
.pt-6{padding-top:1.5rem}.pt-8{padding-top:2rem}.pt-10{padding-top:2.5rem}.pt-20{padding-top:5rem}
.pb-8{padding-bottom:2rem}.py-24{padding:6rem 0}.py-32{padding:8rem 0}

/* Section styling improvements */
.section-alt {
  position: relative;
  padding: 2.5rem 0; /* Further reduced for more compact design */
}

.section-alt .hero-title {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2rem; /* Further reduced spacing */
}

/* Add more space between hero tags and next section */
#home {
  padding-bottom: 3rem;
}

/* Section themes removed - clean transparent background */
#how, #ai, #premium {
  background: transparent;
}
.grid{display:grid}.col-2{grid-template-columns:repeat(2,minmax(0,1fr))}.col-3{grid-template-columns:repeat(3,minmax(0,1fr))}.gap-12{gap:3rem}.gap-8{gap:2rem}.gap-6{gap:1.5rem}
.center{text-align:center}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}
.badge{font-size:12px;letter-spacing:.18em;text-transform:uppercase;opacity:.85}
.small{font-size:14px;opacity:.8}.muted{color:var(--muted)}.xl{font-size:22px}.xxl{font-size:28px}
.h-16{height:64px}.h-20{height:80px}
.icon-btn{width:44px;height:44px;border-radius:12px}
footer a{opacity:.7}.footer-links a{margin:0 12px}
.footer-links a:hover{opacity:1}

/* Calculator card */
.calc{
  position:relative;overflow:hidden;padding:40px;border-radius:32px;
  background:linear-gradient(135deg,rgba(139,92,246,.12) 0%, rgba(236,72,153,.12) 50%, rgba(6,182,212,.12) 100%);
  border:1px solid rgba(139,92,246,.3);
}
.calc::before{
  content:"";position:absolute;inset:-50%;z-index:-1;
  background:conic-gradient(from 0deg,transparent,rgba(139,92,246,.12),transparent);
  animation:spin 12s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.result-pop{animation:pop .6s cubic-bezier(.68,-.55,.265,1.55)}
@keyframes pop{from{transform:scale(0) rotate(-180deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}

/* Cookie banner */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:60}
.cookie-card{padding:20px;border-radius:16px;max-width:800px;margin:0 auto}
.cookie-content{display:flex;flex-direction:column;gap:16px}
.cookie-text{
  color:rgba(255,255,255,0.9);
  font-size:15px;
  line-height:1.5;
  text-align:center;
}
.cookie-buttons{
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
}
.cookie-buttons .btn{
  min-width:100px;
  font-size:13px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

/* Cookie customize popup */
.cookie-popup-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.8);
  backdrop-filter:blur(8px);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:70;
  padding:20px;
}
.cookie-popup{
  max-width:500px;
  width:100%;
  padding:32px;
  margin:0 auto;
}
.cookie-popup-title{
  color:white;
  font-size:24px;
  font-weight:700;
  margin:0 0 24px 0;
  text-align:center;
}
.cookie-option{
  margin-bottom:20px;
  padding:16px;
  border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
}
.cookie-option-header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.cookie-option input[type="checkbox"]{
  width:18px;
  height:18px;
  accent-color:var(--neon-purple);
}
.cookie-option-label{
  color:white;
  font-size:16px;
  cursor:pointer;
  flex:1;
}
.cookie-option-desc{
  color:rgba(255,255,255,0.7);
  font-size:14px;
  margin:0;
  padding-left:30px;
  line-height:1.4;
}
.cookie-popup-buttons{
  display:flex;
  gap:12px;
  justify-content:center;
  margin-top:24px;
  flex-wrap:wrap;
}
.cookie-popup-buttons .btn{
  min-width:140px;
  font-weight:700;
}

/* Responsive cookie banner */
@media (max-width: 640px){
  .cookie-banner{left:12px;right:12px;bottom:12px}
  .cookie-card{padding:16px}
  .cookie-buttons{gap:8px}
  .cookie-buttons .btn{min-width:80px;font-size:12px;padding:10px 16px}
  .cookie-popup{padding:24px}
  .cookie-popup-buttons{flex-direction:column}
  .cookie-popup-buttons .btn{min-width:100%}
}

/* Header avatar dropdown */
.avatar{width:36px;height:36px;border-radius:999px;background:linear-gradient(135deg,var(--neon-purple),var(--neon-pink));display:flex;align-items:center;justify-content:center;font-weight:800}
.dropdown{position:absolute;right:0;top:56px;min-width:240px}
.dropdown a{display:block;padding:10px 14px}
.dropdown a:hover{background:rgba(255,255,255,.06)}
/* Responsive utilities */
@media (max-width: 768px){
  .md\:hidden{display:block}
  .md\:flex{display:none}
  /* Mobile menu specific - ensure it starts hidden and only shows when toggled */
  #mobileMenu{display:none !important}
  #mobileMenu:not(.hidden){display:block !important}
}

@media (min-width: 768px){
  .md\:hidden{display:none}
  .md\:flex{display:flex}
  /* Ensure mobile menu is always hidden on desktop */
  #mobileMenu{display:none !important}
}

/* Additional responsive classes */
.flex-col{flex-direction:column}
.space-y-4 > * + *{margin-top:1rem}
.space-x-4 > * + *{margin-left:1rem}
.flex-1{flex:1}
.text-center{text-align:center}
.relative{position:relative}

/* Pulse glow animation for logo */
@keyframes pulseGlow{
  0%{box-shadow:0 0 20px rgba(139,92,246,0.4)}
  100%{box-shadow:0 0 60px rgba(139,92,246,0.8),0 0 100px rgba(236,72,153,0.4)}
}

/* Mobile navigation improvements */
@media (max-width: 960px){
  .col-3{grid-template-columns:1fr}
  .col-2{grid-template-columns:1fr}
  .container{padding:0 16px}
  .hero-title{font-size:2.5rem}
  .calc{padding:24px}
  .cyber-input{padding:14px 18px;font-size:16px}
  
  /* Prevent horizontal scroll */
  html, body {
    overflow-x: hidden !important;
    max-width: 100% !important;
  }
  
  /* Force header fixed on mobile */
  #site-nav-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
  }
}

@media (max-width: 640px){
  .hero-title{font-size:2rem}
  .xl{font-size:18px}
  .xxl{font-size:24px}
  .btn{padding:12px 20px;font-size:14px}
  .py-32{padding:4rem 0}
  .py-24{padding:3rem 0}
}