/* ═══════════════════════════════════════════════════
   NTZ PCBooster Landing Page — Dark Gaming Theme
   Particles + Scroll Reveal + Modern Animations
   ═══════════════════════════════════════════════════ */

:root {
  --bg:         #050505;
  --bg-card:    #0d0d0d;
  --bg-card-h:  #111111;
  --border:     #1a1a1a;
  --border-h:   #2a2a2a;
  --text:       #e0e0e0;
  --text-dim:   #666;
  --text-muted: #444;
  --accent:     #00ff41;
  --accent-dim: #00cc34;
  --accent-bg:  rgba(0,255,65,0.08);
  --accent-glow: rgba(0,255,65,0.3);
  --radius:     12px;
  --radius-sm:  8px;
  --font:       'Space Grotesk', system-ui, sans-serif;
  --mono:       'Space Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.mono { font-family: var(--mono); }
.text-accent { color: var(--accent); }

/* ═══════════════════════════════════════════════════
   PARTICLES.JS BACKGROUND
   ═══════════════════════════════════════════════════ */

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Let mouse events through to particles canvas only */
#particles-js canvas {
  pointer-events: auto;
}

/* ═══════════════════════════════════════════════════
   SCROLL REVEAL ANIMATIONS
   ═══════════════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Direction variants */
.reveal--up      { transform: translateY(60px); }
.reveal--down    { transform: translateY(-40px); }
.reveal--left    { transform: translateX(-60px); }
.reveal--right   { transform: translateX(60px); }
.reveal--scale   { transform: scale(0.85); }
.reveal--fade    { transform: none; }

/* Revealed state */
.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Delay modifiers */
.reveal--d1 { transition-delay: 0.1s; }
.reveal--d2 { transition-delay: 0.2s; }
.reveal--d3 { transition-delay: 0.3s; }
.reveal--d4 { transition-delay: 0.4s; }
.reveal--d5 { transition-delay: 0.5s; }

/* Stagger — delays are set via JS for each child */

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--sm  { padding: 8px 16px; font-size: 13px; }
.btn--lg  { padding: 14px 28px; font-size: 16px; }

.btn--accent {
  background: var(--accent);
  color: #000;
}
.btn--accent:hover {
  background: var(--accent-dim);
  box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(0,255,65,0.15);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-h);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(0,255,65,0.08);
}

.btn--ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid transparent;
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--border-h);
  transform: translateY(-2px);
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Shine sweep effect on accent buttons */
.btn--accent::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}
.btn--accent:hover::after {
  left: 100%;
}

.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ NAV ═══ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav--scrolled {
  background: rgba(5,5,5,0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s;
}
.nav__brand:hover { color: var(--accent); }
.nav__logo { color: var(--accent); font-size: 24px; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav__links a.btn--accent { color: #000; }
.nav__links a:not(.btn):hover { color: var(--text); }
.nav__links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav__links a:not(.btn):hover::after { width: 100%; }

/* ═══ HERO ═══ */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
  z-index: 1;
}
.hero__glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,255,65,0.05) 40%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite alternate;
}
@keyframes glowPulse {
  0%   { opacity: 0.25; transform: translateX(-50%) scale(1); }
  100% { opacity: 0.45; transform: translateX(-50%) scale(1.15); }
}

.hero__inner { position: relative; z-index: 1; }

.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-bg);
  border: 1px solid rgba(0,255,65,0.15);
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 24px;
  animation: badgeGlow 3s ease-in-out infinite alternate;
}
@keyframes badgeGlow {
  0%   { box-shadow: 0 0 0 rgba(0,255,65,0); }
  100% { box-shadow: 0 0 20px rgba(0,255,65,0.15); }
}

.hero__title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero__sub {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}
.stat { text-align: center; }
.stat__num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}
.stat__label {
  font-size: 13px;
  color: var(--text-dim);
}

/* ═══ SECTIONS (all above particles) ═══ */
.features,
.how-it-works,
.pricing,
.faq,
.cta-final,
.footer {
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-bg);
  border: 1px solid rgba(0,255,65,0.12);
  border-radius: 999px;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
}
.section-sub {
  color: var(--text-dim);
  font-size: 16px;
  margin-top: 12px;
}

/* ═══ FEATURES ═══ */
.features {
  padding: 100px 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: rgba(13,13,13,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature-card:hover {
  border-color: rgba(0,255,65,0.2);
  background: rgba(17,17,17,0.9);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(0,255,65,0.08);
}
.feature-card__icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border-radius: 10px;
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 22px;
  transition: all 0.4s;
}
.feature-card:hover .feature-card__icon {
  box-shadow: 0 0 16px rgba(0,255,65,0.2);
  transform: scale(1.1);
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ═══ HOW IT WORKS ═══ */
.how-it-works {
  padding: 80px 0;
  background: rgba(13,13,13,0.6);
  backdrop-filter: blur(4px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}
.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
}
.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: var(--accent-bg);
  border: 1px solid rgba(0,255,65,0.2);
  border-radius: 50%;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
  transition: all 0.4s;
}
.step:hover .step__num {
  box-shadow: 0 0 24px rgba(0,255,65,0.25);
  transform: scale(1.1);
}
.step h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.step p {
  font-size: 14px;
  color: var(--text-dim);
}
.step__arrow {
  padding-top: 12px;
  color: var(--text-muted);
}

/* ═══ PRICING ═══ */
.pricing {
  padding: 100px 0;
}

/* Coupon bar */
.coupon-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  background: rgba(0,255,65,0.03);
  border: 1px solid rgba(0,255,65,0.1);
  border-radius: var(--radius);
  padding: 16px 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.coupon-bar label {
  font-size: 13px;
  color: var(--text);
  letter-spacing: 1px;
  font-weight: 600;
}
.coupon-bar__input-wrap {
  display: flex;
  gap: 8px;
}
.coupon-bar__input {
  background: rgba(20,20,20,0.9);
  border: 1px solid var(--border-h);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--text);
  font-size: 14px;
  width: 160px;
  text-transform: uppercase;
  letter-spacing: 1px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.coupon-bar__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(0,255,65,0.1);
}
.coupon-bar__input:disabled { opacity: 0.5; }
.coupon-bar__msg {
  font-size: 13px;
  width: 100%;
  text-align: center;
}
.coupon-bar__msg--ok { color: var(--accent); }
.coupon-bar__msg--error { color: #ef4444; }

/* Price cards */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.price-card {
  position: relative;
  background: rgba(13,13,13,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.price-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
}

.price-card--featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(0,255,65,0.04) 0%, rgba(13,13,13,0.8) 100%);
}
.price-card--featured:hover {
  border-color: var(--accent);
  box-shadow: 0 0 40px rgba(0,255,65,0.12), 0 8px 32px rgba(0,0,0,0.3);
  transform: translateY(-6px);
}

.price-card__popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  padding: 4px 16px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 0 0 16px rgba(0,255,65,0.3);
}

.price-card__header h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}
.price-card__desc {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.price-card__price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 28px;
}
.price-card__currency {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dim);
}
.price-card__amount {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1;
}
.price-card__period {
  font-size: 14px;
  color: var(--text-dim);
  margin-left: 4px;
}

.price-card__features {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}
.price-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-dim);
}
.price-card__features li i { color: var(--accent); flex-shrink: 0; font-size: 18px; }

.price-card__btn { width: 100%; justify-content: center; }

.pricing__guarantee {
  text-align: center;
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.pricing__guarantee i { color: var(--accent); font-size: 18px; }

/* ═══ FAQ ═══ */
.faq {
  padding: 100px 0;
  background: rgba(13,13,13,0.6);
  backdrop-filter: blur(4px);
  border-top: 1px solid var(--border);
}
.faq__list {
  max-width: 680px;
  margin: 0 auto;
}
.faq__item {
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
.faq__item:hover { border-color: var(--border-h); }
.faq__item summary {
  padding: 20px 0;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.3s;
}
.faq__item summary:hover { color: var(--accent); }
.faq__item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--text-dim);
  transition: transform 0.3s, color 0.3s;
}
.faq__item[open] summary::after {
  content: '-';
  color: var(--accent);
}
.faq__item p {
  padding: 0 0 20px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ═══ CTA FINAL ═══ */
.cta-final {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Subtle green radial glow behind CTA */
.cta-final::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,255,65,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-final p {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 32px;
}

/* ═══ FOOTER ═══ */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.footer__brand i { color: var(--accent); font-size: 18px; }
.footer__links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.3s;
}
.footer__links a:hover { color: var(--accent); }
.footer__copy {
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .nav__links a:not(.btn) { display: none; }

  .hero { padding: 120px 0 60px; }
  .hero__stats { gap: 24px; }
  .hero__cta { flex-direction: column; align-items: center; }

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

  .steps { flex-direction: column; align-items: center; }
  .step__arrow { transform: rotate(90deg); }

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

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

  .coupon-bar { flex-direction: column; }

  /* Reduce reveal distances on mobile */
  .reveal--up    { transform: translateY(30px); }
  .reveal--left  { transform: translateX(-30px); }
  .reveal--right { transform: translateX(30px); }
}