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

:root {
  --bg:         #07090f;
  --bg-card:    #0f1521;
  --bg-card2:   #141d2e;
  --border:     rgba(99,102,241,.18);
  --accent:     #6366f1;
  --accent2:    #818cf8;
  --glow:       rgba(99,102,241,.35);
  --text:       #e2e8f0;
  --muted:      #8892a4;
  --green:      #10b981;
  --radius:     14px;
  --trans:      .22s ease;
}

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

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 20px var(--glow);
}
.btn-primary:hover { box-shadow: 0 8px 30px var(--glow); }
.btn-outline {
  background: transparent;
  color: var(--accent2);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); background: rgba(99,102,241,.08); }
.btn-full { width: 100%; justify-content: center; }

/* ===== NAVBAR ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 68px;
  background: rgba(7,9,15,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--trans);
}
nav.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.4); }

@-webkit-keyframes logo-hue {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}
@keyframes logo-hue {
  0%   { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(90deg, #818cf8, #c084fc, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -.3px;
  -webkit-animation: logo-hue 4s linear infinite;
  animation: logo-hue 4s linear infinite;
  will-change: filter;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}
.nav-links a {
  font-size: .9rem;
  color: var(--muted);
  font-weight: 500;
  transition: color var(--trans);
}
.nav-links a:hover { color: var(--text); }

.nav-cta { font-size: .9rem; padding: 10px 22px; }

.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--trans); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 5% 80px;
  position: relative;
  overflow: hidden;
}

/* Animated gradient blobs */
.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.hero::before {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,.22) 0%, transparent 70%);
  top: -100px; left: -100px;
}
.hero::after {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,.18) 0%, transparent 70%);
  bottom: -80px; right: -80px;
  animation-delay: -4s;
}
@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(30px,-20px) scale(1.05); }
  66%       { transform: translate(-20px,30px) scale(.95); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.3);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent2);
  margin-bottom: 28px;
}
.badge-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.5px;
  margin-bottom: 22px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent2) 20%, #c084fc 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 60px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent2), #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .8rem; color: var(--muted); margin-top: 2px; }

/* ===== SECTION COMMONS ===== */
section { padding: 90px 5%; }
.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.3px;
  margin-bottom: 14px;
}
.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 520px;
}
.section-head { margin-bottom: 56px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin: 0 auto; }

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.feature-card:hover {
  border-color: rgba(99,102,241,.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99,102,241,.1);
}
.feat-icon {
  width: 52px; height: 52px;
  background: rgba(99,102,241,.12);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

/* ===== PRICING ===== */
#pricing { background: linear-gradient(180deg, var(--bg) 0%, rgba(15,21,33,.5) 100%); }

.pricing-toggles {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-bottom: 48px;
}
.toggle-group {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px;
  gap: 4px;
}
.toggle-btn {
  padding: 9px 22px;
  border-radius: 50px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--trans);
}
.toggle-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px var(--glow);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
  position: relative;
}
.price-card:hover {
  border-color: rgba(99,102,241,.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(99,102,241,.1);
}
.price-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 12px 40px var(--glow);
}
.popular-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .5px;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-period-label {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.price-amount {
  margin-bottom: 6px;
}
.price-amount .amount {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.price-amount .currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent2);
  margin-left: 2px;
}
.price-note {
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 24px;
}
.price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
  flex: 1;
}
.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--muted);
}
.price-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}

/* ===== DOWNLOADS ===== */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.dl-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  transition: border-color var(--trans), transform var(--trans);
}
.dl-card:hover { border-color: rgba(99,102,241,.4); transform: translateY(-3px); }
.dl-icon { font-size: 2.4rem; }
.dl-card h3 { font-size: 1rem; font-weight: 700; }
.dl-card p { font-size: .82rem; color: var(--muted); line-height: 1.5; }
.dl-buttons { display: flex; flex-direction: column; gap: 8px; width: 100%; margin-top: 4px; }
.dl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: .85rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  color: var(--text);
  background: var(--bg-card2);
  transition: all var(--trans);
}
.dl-btn:hover { border-color: var(--accent); color: var(--accent2); background: rgba(99,102,241,.08); }
.dl-btn-icon { font-size: 1.1rem; }

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(99,102,241,.12) 0%, transparent 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p { color: var(--muted); margin-bottom: 36px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
footer {
  padding: 40px 5%;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(90deg, #818cf8, #c084fc, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  -webkit-animation: logo-hue 4s linear infinite;
  animation: logo-hue 4s linear infinite;
  will-change: filter;
}
.footer-links { display: flex; gap: 28px; }
.footer-links a { font-size: .85rem; color: var(--muted); transition: color var(--trans); }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: .8rem; color: var(--muted); }

/* ===== DIVIDER ===== */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 5%;
}

/* ===== MOBILE ===== */
/* Mobile-only nav items (auth buttons inside burger dropdown) */
.nav-mobile-only { display: none; }

@media (max-width: 768px) {
  nav { padding: 0 5%; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(7,9,15,.97);
    padding: 20px 5% 24px;
    gap: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,.5);
  }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .burger { display: flex; }

  .nav-mobile-only { display: block; }
  .nav-mobile-divider {
    height: 1px;
    background: rgba(99,102,241,.15);
    margin: 4px 0;
  }
  .nav-mobile-auth-btn {
    display: block;
    padding: 11px 16px;
    border-radius: 10px;
    border: 1px solid rgba(99,102,241,.25);
    text-align: center;
    color: #94a3b8;
    font-weight: 600;
    font-size: .9rem;
    transition: all .2s ease;
  }
  .nav-mobile-auth-btn:hover { border-color: var(--accent); color: var(--text); }
  .nav-mobile-cta {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff !important;
    border-color: transparent !important;
    box-shadow: 0 4px 16px rgba(99,102,241,.3);
  }

  .hero { padding: 100px 5% 60px; }
  .hero-stats { gap: 24px; }
  section { padding: 60px 5%; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; }
  .price-card.popular { margin-top: 16px; }

  footer { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .toggle-group { flex-direction: column; border-radius: 14px; }
  .toggle-btn { border-radius: 10px; }
}

/* ===== PROMOS ===== */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.promo-card {
  background: var(--bg-card);
  border: 1px solid rgba(251,191,36,.25);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
  position: relative;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.promo-card:hover {
  border-color: rgba(251,191,36,.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(251,191,36,.1);
}
.promo-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  color: #07090f;
  font-size: .73rem; font-weight: 800;
  letter-spacing: .5px;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}
.promo-label { font-size: 1rem; font-weight: 700; color: var(--text); margin-top: 8px; }
.promo-meta  { font-size: .8rem; color: var(--muted); }
.promo-price {
  font-size: 2.6rem; font-weight: 800; color: #fbbf24;
  line-height: 1; margin: 8px 0 4px;
}
.promo-price span { font-size: 1.2rem; color: #f59e0b; }
.promo-price-usd { font-size: 1rem; color: var(--muted); margin-bottom: 16px; }

@media (max-width: 768px) {
  .promo-grid { grid-template-columns: 1fr; max-width: 380px; }
}