<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8" />

<meta name="viewport" content="width=device-width, initial-scale=1.0" />

<title>AirNyx — Learn. Apply. Excel.</title>

<link rel="preconnect" href="https://fonts.googleapis.com">

<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>

<link href="https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap" rel="stylesheet">

<style>

/* ============================================

   AIRNYX — AVIATION-SLEEK TYPOGRAPHY SYSTEM

   ============================================

   Display: Bricolage Grotesque (architectural, confident, modern)

   Body:    Geist (precise, tight, technical)

   Mono:    JetBrains Mono (cockpit/data feel)

   ============================================ */

:root {

  --bg-from:        #A8C8E0;

  --bg-via:         #D4E4F0;

  --bg-to:          #C8DCEB;

  --glass:          rgba(255,255,255,0.52);

  --glass-strong:   rgba(255,255,255,0.78);

  --glass-border:   rgba(255,255,255,0.82);

  --glass-inner:    rgba(255,255,255,0.96);

  --panel-shadow:   0 8px 32px rgba(15,37,64,0.10);

  --accent:         #2B7BC4;

  --accent-light:   #5BA3D9;

  --accent-deep:    #1A5A93;

  --accent-glow:    rgba(43,123,196,0.22);

  --accent-soft:    rgba(43,123,196,0.09);

  --success:        #16A34A;

  --success-bg:     rgba(22,163,74,0.10);

  --danger:         #DC2626;

  --danger-bg:      rgba(220,38,38,0.09);

  --warning:        #D97706;

  --text:           #0A1F38;

  --text-soft:      #1E3A5F;

  --text-muted:     #5A7596;

  --text-dim:       #8AA4BF;

  --nav-bg:         rgba(255,255,255,0.72);


  --font-display:   'Sora', system-ui, sans-serif;

  --font-body:      'Sora', system-ui, -apple-system, sans-serif;

  --font-mono:      'JetBrains Mono', 'SF Mono', Menlo, monospace;

}


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

html { scroll-behavior: smooth; }


body {

  font-family: var(--font-body);

  font-feature-settings: 'ss01', 'ss02', 'cv01', 'cv11';

  color: var(--text);

  background: linear-gradient(135deg, var(--bg-from) 0%, var(--bg-via) 50%, var(--bg-to) 100%);

  min-height: 100vh;

  overflow-x: hidden;

  position: relative;

  letter-spacing: -0.005em;

  -webkit-font-smoothing: antialiased;

  -moz-osx-font-smoothing: grayscale;

}


/* Ambient glows */

body::before {

  content: '';

  position: fixed;

  top: -200px; right: -150px;

  width: 700px; height: 700px;

  background: radial-gradient(circle, rgba(255,255,255,0.55) 0%, transparent 70%);

  pointer-events: none; z-index: 0;

}

body::after {

  content: '';

  position: fixed;

  bottom: -200px; left: -150px;

  width: 600px; height: 600px;

  background: radial-gradient(circle, rgba(91,163,217,0.35) 0%, transparent 70%);

  pointer-events: none; z-index: 0;

}


.dot-strip {

  position: fixed;

  right: 0; top: 20%; width: 48px; height: 60%;

  background-image: radial-gradient(circle, var(--accent) 1.5px, transparent 1.5px);

  background-size: 10px 10px;

  opacity: 0.18;

  pointer-events: none; z-index: 0;

}


/* Glass utility */

.glass {

  background: var(--glass);

  backdrop-filter: blur(20px) saturate(180%);

  -webkit-backdrop-filter: blur(20px) saturate(180%);

  border: 1px solid var(--glass-border);

  box-shadow: var(--panel-shadow), inset 0 1px 0 var(--glass-inner);

  border-radius: 20px;

}


/* ============================================

   NAV

   ============================================ */

nav {

  position: fixed; top: 0; left: 0; right: 0; z-index: 100;

  background: var(--nav-bg);

  backdrop-filter: blur(28px) saturate(200%);

  -webkit-backdrop-filter: blur(28px) saturate(200%);

  border-bottom: 1px solid var(--glass-border);

  padding: 0 40px;

  height: 72px;

  display: flex; align-items: center; justify-content: space-between;

  transition: box-shadow 0.3s;

}


.nav-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--text); }

.nav-logo-icon {

  width: 44px; height: 44px; border-radius: 12px;

  background: var(--glass-strong);

  border: 1.5px solid var(--accent);

  box-shadow: 0 4px 14px var(--accent-glow);

  display: flex; align-items: center; justify-content: center;

  font-size: 20px;

}

.nav-logo-text {

  font-family: var(--font-display);

  font-size: 26px; font-weight: 800;

  letter-spacing: -0.04em;

  color: var(--text);

}


.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }

.nav-links a {

  font-family: var(--font-body);

  font-size: 14px; font-weight: 500;

  color: var(--text-muted);

  text-decoration: none;

  padding: 9px 18px; border-radius: 10px;

  transition: all 0.2s;

  letter-spacing: -0.01em;

}

.nav-links a:hover { background: var(--accent-soft); color: var(--accent); }


.nav-cta {

  background: linear-gradient(135deg, var(--accent-light), var(--accent)) !important;

  color: #fff !important;

  font-weight: 600 !important;

  box-shadow: 0 4px 16px var(--accent-glow);

}

.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow) !important; }


/* ============================================

   LAYOUT

   ============================================ */

main { position: relative; z-index: 1; }

section { padding: 120px 40px; max-width: 1240px; margin: 0 auto; }


/* ============================================

   HERO

   ============================================ */

#hero {

  min-height: 100vh;

  display: flex; flex-direction: column;

  justify-content: center; align-items: center;

  text-align: center;

  padding-top: 140px; padding-bottom: 80px;

  gap: 32px;

}


.hero-badge {

  display: inline-flex; align-items: center; gap: 10px;

  padding: 9px 22px; border-radius: 100px;

  background: var(--glass-strong);

  border: 1px solid var(--glass-border);

  font-family: var(--font-mono);

  font-size: 11px; font-weight: 600;

  letter-spacing: 0.22em; color: var(--accent);

  text-transform: uppercase;

  animation: fadeUp 0.6s ease-out both;

}

.hero-badge span { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }

@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }


.hero-title {

  font-family: var(--font-display);

  font-size: clamp(56px, 8vw, 112px);

  font-weight: 800;

  line-height: 0.98;

  letter-spacing: -0.035em;

  color: var(--text);

  animation: fadeUp 0.7s 0.1s ease-out both;

}

.hero-title .accent {

  color: var(--accent);

  font-weight: 800;

}


.hero-sub {

  font-size: clamp(17px, 1.6vw, 21px);

  font-weight: 400; line-height: 1.55;

  color: var(--text-soft);

  max-width: 620px;

  letter-spacing: -0.011em;

  animation: fadeUp 0.7s 0.2s ease-out both;

}


.hero-buttons {

  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;

  animation: fadeUp 0.7s 0.3s ease-out both;

}


.btn-primary {

  padding: 17px 36px; border-radius: 12px;

  background: linear-gradient(135deg, var(--accent-light), var(--accent));

  color: #fff;

  font-family: var(--font-body);

  font-weight: 600; font-size: 15px;

  letter-spacing: -0.005em;

  border: none; cursor: pointer; text-decoration: none;

  box-shadow: 0 8px 28px var(--accent-glow);

  transition: all 0.25s; display: inline-flex; align-items: center; gap: 10px;

}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px var(--accent-glow); }


.btn-secondary {

  padding: 17px 36px; border-radius: 12px;

  background: var(--glass-strong);

  color: var(--text-soft);

  font-family: var(--font-body);

  font-weight: 600; font-size: 15px;

  letter-spacing: -0.005em;

  border: 1.5px solid var(--glass-border);

  cursor: pointer; text-decoration: none;

  transition: all 0.25s; display: inline-flex; align-items: center; gap: 10px;

}

.btn-secondary:hover { background: rgba(255,255,255,0.92); transform: translateY(-2px); }


/* Hero stats — now monospace for that technical feel */

.hero-stats {

  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;

  margin-top: 12px;

  animation: fadeUp 0.7s 0.4s ease-out both;

}

.stat-pill {

  padding: 16px 24px; border-radius: 14px;

  background: var(--glass);

  border: 1px solid var(--glass-border);

  text-align: left;

  display: flex; flex-direction: column; gap: 2px;

  min-width: 140px;

}

.stat-pill .num {

  font-family: var(--font-display);

  font-size: 32px; font-weight: 700;

  color: var(--text);

  letter-spacing: -0.04em;

  line-height: 1;

}

.stat-pill .lbl {

  font-family: var(--font-mono);

  font-size: 10px; font-weight: 500;

  letter-spacing: 0.18em;

  color: var(--text-muted);

  text-transform: uppercase;

  margin-top: 6px;

}


/* ============================================

   SECTION HEADERS

   ============================================ */

.section-label {

  display: flex; align-items: center; gap: 12px;

  margin-bottom: 24px;

}

.section-label::before {

  content: '';

  width: 4px; height: 20px; border-radius: 4px;

  background: var(--accent);

  display: block; flex-shrink: 0;

}

.section-label span {

  font-family: var(--font-mono);

  font-size: 11px; font-weight: 600;

  letter-spacing: 0.24em;

  color: var(--text-soft);

  text-transform: uppercase;

}


.section-heading {

  font-family: var(--font-display);

  font-size: clamp(36px, 5vw, 60px);

  font-weight: 700;

  line-height: 1.0;

  letter-spacing: -0.04em;

  color: var(--text);

  margin-bottom: 18px;

}


.section-sub {

  font-size: 17px;

  line-height: 1.6;

  letter-spacing: -0.01em;

  color: var(--text-muted);

  max-width: 580px;

  margin-bottom: 56px;

}


/* ============================================

   MODULES

   ============================================ */

#modules { padding-top: 60px; }


.modules-grid {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));

  gap: 16px;

}


.module-card {

  padding: 28px 32px; border-radius: 18px;

  background: var(--glass);

  backdrop-filter: blur(20px) saturate(180%);

  -webkit-backdrop-filter: blur(20px) saturate(180%);

  border: 1px solid var(--glass-border);

  box-shadow: var(--panel-shadow), inset 0 1px 0 var(--glass-inner);

  display: flex; align-items: center; gap: 20px;

  cursor: pointer; text-decoration: none; color: var(--text);

  transition: all 0.28s;

  position: relative; overflow: hidden;

}

.module-card::before {

  content: '';

  position: absolute; inset: 0;

  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 100%);

  opacity: 0; transition: opacity 0.28s;

}

.module-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(15,37,64,0.14), inset 0 1px 0 var(--glass-inner); }

.module-card:hover::before { opacity: 1; }


.module-icon {

  width: 52px; height: 52px; border-radius: 13px; flex-shrink: 0;

  background: var(--accent-soft);

  display: flex; align-items: center; justify-content: center;

  font-size: 24px;

  transition: all 0.28s;

}

.module-card:hover .module-icon { background: var(--accent-glow); transform: scale(1.05); }


.module-info { flex: 1; min-width: 0; }

.module-name {

  font-family: var(--font-display);

  font-size: 19px; font-weight: 700;

  color: var(--text);

  margin-bottom: 4px;

  letter-spacing: -0.025em;

}

.module-desc {

  font-size: 13px;

  color: var(--text-muted);

  line-height: 1.5;

  letter-spacing: -0.005em;

}


.module-progress-wrap { margin-top: 12px; }

.module-progress-bar {

  height: 4px; border-radius: 4px;

  background: rgba(15,37,64,0.08); overflow: hidden;

}

.module-progress-fill {

  height: 100%; border-radius: 4px;

  background: linear-gradient(90deg, var(--accent-light), var(--accent));

  transition: width 1.1s cubic-bezier(0.5, 0, 0.2, 1);

}

.module-progress-label {

  font-family: var(--font-mono);

  font-size: 10px; font-weight: 600;

  letter-spacing: 0.1em;

  color: var(--accent);

  text-align: right; margin-top: 5px;

}


.module-arrow {

  font-size: 22px; color: var(--text-dim);

  transition: all 0.25s;

  font-family: var(--font-display);

  font-weight: 400;

}

.module-card:hover .module-arrow { color: var(--accent); transform: translateX(4px); }


/* ============================================

   QUIZ PREVIEW

   ============================================ */

#quiz-preview { padding-top: 80px; }


.quiz-layout {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 56px; align-items: start;

}

@media (max-width: 900px) { .quiz-layout { grid-template-columns: 1fr; } }


.quiz-card {

  padding: 40px;

  background: var(--glass-strong);

  backdrop-filter: blur(24px) saturate(200%);

  -webkit-backdrop-filter: blur(24px) saturate(200%);

  border: 1.5px solid var(--glass-border);

  box-shadow: 0 16px 48px rgba(15,37,64,0.13), inset 0 1px 0 var(--glass-inner);

  border-radius: 22px;

}


.quiz-tags { display: flex; gap: 8px; margin-bottom: 22px; }

.tag {

  font-family: var(--font-mono);

  padding: 6px 12px; border-radius: 7px;

  font-size: 10px; font-weight: 600;

  letter-spacing: 0.15em;

  text-transform: uppercase;

}

.tag-module { background: var(--accent-soft); color: var(--accent); }

.tag-cert { background: rgba(15,37,64,0.07); color: var(--text-muted); }


.quiz-question {

  font-family: var(--font-display);

  font-size: 19px; font-weight: 600;

  line-height: 1.4; color: var(--text);

  margin-bottom: 26px;

  letter-spacing: -0.025em;

}


.quiz-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }


.quiz-option {

  padding: 15px 18px; border-radius: 11px;

  background: var(--glass);

  border: 1.5px solid var(--glass-border);

  display: flex; align-items: center; gap: 14px;

  cursor: pointer; transition: all 0.2s;

  font-family: var(--font-body);

  font-size: 14.5px; font-weight: 500;

  color: var(--text);

  letter-spacing: -0.01em;

}

.quiz-option:hover { background: var(--glass-strong); border-color: var(--accent-light); }

.quiz-option.correct {

  background: var(--success-bg); border-color: rgba(22,163,74,0.45);

  box-shadow: 0 4px 16px rgba(22,163,74,0.15);

}

.quiz-option.wrong {

  background: var(--danger-bg); border-color: rgba(220,38,38,0.4);

}


.option-letter {

  font-family: var(--font-mono);

  width: 28px; height: 28px; border-radius: 7px; flex-shrink: 0;

  background: rgba(15,37,64,0.07);

  display: flex; align-items: center; justify-content: center;

  font-size: 12px; font-weight: 700;

  color: var(--text-soft);

  transition: all 0.2s;

}

.quiz-option.correct .option-letter { background: var(--success); color: #fff; }

.quiz-option.wrong .option-letter { background: var(--danger); color: #fff; }


.explanation-box {

  padding: 18px 22px; border-radius: 13px;

  background: linear-gradient(135deg, var(--accent-soft), rgba(255,255,255,0.3));

  border: 1.5px solid rgba(43,123,196,0.25);

  display: none;

}

.explanation-box.visible { display: block; animation: slideUp 0.4s ease-out; }

.explanation-label {

  font-family: var(--font-mono);

  font-size: 10px; font-weight: 600;

  letter-spacing: 0.18em;

  color: var(--accent);

  margin-bottom: 10px;

  display: flex; align-items: center; gap: 6px;

  text-transform: uppercase;

}

.explanation-text {

  font-size: 13.5px;

  line-height: 1.6;

  color: var(--text-soft);

  margin-bottom: 14px;

  letter-spacing: -0.005em;

}

.view-image-btn {

  padding: 10px 18px; border-radius: 9px;

  background: var(--accent-soft);

  border: 1.5px solid rgba(91,163,217,0.5);

  color: var(--accent);

  font-family: var(--font-body);

  font-size: 13px; font-weight: 600;

  letter-spacing: -0.005em;

  cursor: pointer;

  display: inline-flex; align-items: center; gap: 7px;

  transition: all 0.2s;

}

.view-image-btn:hover { background: var(--accent-glow); }


.quiz-features { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }

.feature-item { display: flex; align-items: flex-start; gap: 18px; }

.feature-icon {

  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;

  background: var(--accent-soft);

  display: flex; align-items: center; justify-content: center;

  font-size: 20px;

}

.feature-title {

  font-family: var(--font-display);

  font-size: 17px; font-weight: 700;

  color: var(--text);

  margin-bottom: 5px;

  letter-spacing: -0.025em;

}

.feature-desc {

  font-size: 14px;

  color: var(--text-muted);

  line-height: 1.55;

  letter-spacing: -0.005em;

}


/* ============================================

   PRICING

   ============================================ */

#pricing { padding-top: 80px; }


.pricing-grid {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

  gap: 20px;

  max-width: 960px;

  margin: 0 auto;

}


.pricing-card {

  padding: 38px 34px; border-radius: 22px;

  background: var(--glass);

  backdrop-filter: blur(20px) saturate(180%);

  -webkit-backdrop-filter: blur(20px) saturate(180%);

  border: 1px solid var(--glass-border);

  box-shadow: var(--panel-shadow), inset 0 1px 0 var(--glass-inner);

  position: relative; overflow: hidden;

}

.pricing-card.featured {

  background: var(--glass-strong);

  border: 2px solid var(--accent-light);

  box-shadow: 0 20px 56px var(--accent-glow), inset 0 1px 0 var(--glass-inner);

  transform: scale(1.03);

}

.pricing-popular {

  position: absolute; top: 22px; right: 22px;

  background: var(--accent); color: #fff;

  font-family: var(--font-mono);

  font-size: 9.5px; font-weight: 700;

  letter-spacing: 0.18em;

  padding: 5px 11px; border-radius: 6px;

  text-transform: uppercase;

}

.pricing-plan {

  font-family: var(--font-mono);

  font-size: 11px; font-weight: 600;

  letter-spacing: 0.22em;

  color: var(--text-muted);

  text-transform: uppercase;

  margin-bottom: 18px;

}

.pricing-price {

  font-family: var(--font-display);

  font-size: 56px; font-weight: 800;

  color: var(--text);

  line-height: 1;

  letter-spacing: -0.05em;

  margin-bottom: 8px;

}

.pricing-price span {

  font-family: var(--font-display);

  font-size: 22px; font-weight: 500;

  color: var(--text-muted);

  letter-spacing: -0.02em;

}

.pricing-period { font-size: 13px; color: var(--text-muted); margin-bottom: 30px; letter-spacing: -0.005em; }

.pricing-features { list-style: none; margin-bottom: 32px; display: flex; flex-direction: column; gap: 11px; }

.pricing-features li {

  font-size: 14px; color: var(--text-soft);

  letter-spacing: -0.005em;

  display: flex; align-items: center; gap: 11px;

  line-height: 1.4;

}

.pricing-features li::before {

  content: '';

  font-family: var(--font-mono);

  width: 20px; height: 20px; border-radius: 6px;

  background: var(--success-bg); color: var(--success);

  font-size: 11px; font-weight: 700;

  display: flex; align-items: center; justify-content: center;

  flex-shrink: 0;

}


/* ============================================

   CTA

   ============================================ */

#cta { text-align: center; padding-bottom: 140px; }

.cta-box {

  padding: 80px 40px;

  background: linear-gradient(135deg, rgba(43,123,196,0.16) 0%, var(--glass) 100%);

  backdrop-filter: blur(24px) saturate(180%);

  -webkit-backdrop-filter: blur(24px) saturate(180%);

  border: 1.5px solid var(--accent-light);

  box-shadow: 0 24px 64px var(--accent-glow), inset 0 1px 0 var(--glass-inner);

  border-radius: 28px;

  max-width: 760px; margin: 0 auto;

}

.cta-title {

  font-family: var(--font-display);

  font-size: clamp(36px, 5vw, 60px); font-weight: 800;

  color: var(--text); margin-bottom: 18px;

  letter-spacing: -0.045em;

  line-height: 1;

}

.cta-sub {

  font-size: 17px;

  color: var(--text-muted);

  margin-bottom: 36px;

  letter-spacing: -0.01em;

  line-height: 1.5;

}


/* ============================================

   FOOTER

   ============================================ */

footer {

  position: relative; z-index: 1;

  border-top: 1px solid var(--glass-border);

  background: rgba(255,255,255,0.4);

  backdrop-filter: blur(20px);

  -webkit-backdrop-filter: blur(20px);

  padding: 44px 40px;

  display: flex; align-items: center; justify-content: space-between;

  flex-wrap: wrap; gap: 24px;

}

.footer-brand {

  font-family: var(--font-display);

  font-size: 22px; font-weight: 800;

  letter-spacing: -0.04em;

  color: var(--text);

}

.footer-tagline {

  font-family: var(--font-mono);

  font-size: 10px; color: var(--text-muted);

  margin-top: 4px;

  letter-spacing: 0.2em;

  text-transform: uppercase;

}

.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }

.footer-links a {

  font-size: 13px;

  color: var(--text-muted);

  text-decoration: none;

  transition: color 0.2s;

  letter-spacing: -0.005em;

  font-weight: 500;

}

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

.footer-copy {

  font-family: var(--font-mono);

  font-size: 11px;

  color: var(--text-dim);

  letter-spacing: 0.05em;

}


/* ============================================

   MODAL

   ============================================ */

.modal-overlay {

  position: fixed; inset: 0; z-index: 1000;

  background: rgba(15,37,64,0.65);

  backdrop-filter: blur(16px);

  -webkit-backdrop-filter: blur(16px);

  display: flex; align-items: center; justify-content: center;

  padding: 20px; opacity: 0; pointer-events: none;

  transition: opacity 0.25s;

}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal-box {

  background: var(--glass-strong);

  border: 1.5px solid var(--glass-border);

  box-shadow: 0 32px 80px rgba(15,37,64,0.35), inset 0 1px 0 var(--glass-inner);

  border-radius: 26px; padding: 30px;

  max-width: 540px; width: 100%;

  transform: scale(0.92) translateY(20px);

  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);

}

.modal-overlay.open .modal-box { transform: scale(1) translateY(0); }

.modal-header {

  display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px;

}

.modal-title {

  font-family: var(--font-mono);

  font-size: 11px; font-weight: 600;

  letter-spacing: 0.2em;

  color: var(--accent);

  text-transform: uppercase;

}

.modal-close {

  width: 32px; height: 32px; border-radius: 9px;

  background: rgba(15,37,64,0.06); border: none; cursor: pointer;

  font-size: 16px; color: var(--text-muted);

  display: flex; align-items: center; justify-content: center;

  transition: background 0.2s;

}

.modal-close:hover { background: rgba(15,37,64,0.12); }

.modal-diagram {

  background: rgba(255,255,255,0.7); border-radius: 16px; padding: 22px;

  margin-bottom: 18px; border: 1px solid var(--glass-border);

}

.modal-caption {

  font-size: 13.5px;

  color: var(--text-soft);

  line-height: 1.6;

  letter-spacing: -0.005em;

}

.modal-diagram svg { width: 100%; height: auto; }


/* ============================================

   ANIMATIONS

   ============================================ */

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

@keyframes slideUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }


.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }

.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: 0.1s; }

.reveal-delay-2 { transition-delay: 0.2s; }

.reveal-delay-3 { transition-delay: 0.3s; }


/* ============================================

   RESPONSIVE

   ============================================ */

@media (max-width: 768px) {

  nav { padding: 0 20px; }

  .nav-links { display: none; }

  section { padding: 80px 20px; }

  footer { flex-direction: column; gap: 20px; text-align: center; padding: 30px 20px; }

  .pricing-card.featured { transform: scale(1); }

  .stat-pill { min-width: 130px; }

}

</style>

</head>


<body>

<div class="dot-strip"></div>


<!-- ============ NAV ============ -->

<nav>

  <a href="#" class="nav-logo">

    <div class="nav-logo-icon"></div>

    <span class="nav-logo-text">AirNyx</span>

  </a>

  <ul class="nav-links">

    <li><a href="#modules">Modules</a></li>

    <li><a href="#quiz-preview">Practice</a></li>

    <li><a href="#pricing">Pricing</a></li>

    <li><a href="#" class="nav-cta">Get Started</a></li>

  </ul>

</nav>


<!-- ============ HERO ============ -->

<main>

<section id="hero">

  <div class="hero-badge">

    <span></span>

    Aviation Training · Reimagined

  </div>


  <h1 class="hero-title">

    Study smarter.<br/>

    Fly <span class="accent">confident.</span>

  </h1>


  <p class="hero-sub">

    The most effective FAA exam prep platform — built by a working aircraft dispatcher.

    Master regulations, weather, navigation and more across every certificate level.

  </p>


  <div class="hero-buttons">

    <a href="#modules" class="btn-primary">Start Learning </a>

    <a href="#quiz-preview" class="btn-secondary">See a Practice Quiz</a>

  </div>


  <div class="hero-stats">

    <div class="stat-pill">

      <span class="num">06</span>

      <span class="lbl">Training Modules</span>

    </div>

    <div class="stat-pill">

      <span class="num">1,500+</span>

      <span class="lbl">FAA Questions</span>

    </div>

    <div class="stat-pill">

      <span class="num">05</span>

      <span class="lbl">Cert Levels</span>

    </div>

    <div class="stat-pill">

      <span class="num">100%</span>

      <span class="lbl">ACS Aligned</span>

    </div>

  </div>

</section>


<!-- ============ MODULES ============ -->

<section id="modules">

  <div class="section-label reveal"><span>Training Modules</span></div>

  <h2 class="section-heading reveal reveal-delay-1">Everything you need<br/>to pass and fly.</h2>

  <p class="section-sub reveal reveal-delay-2">

    Six comprehensive modules covering every topic tested on FAA knowledge exams —

    from student pilot all the way to Aircraft Dispatcher.

  </p>


  <div class="modules-grid">

    <a href="#" class="module-card reveal">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Aerodynamics</div>

        <div class="module-desc">Lift, drag, stall, performance charts, weight & balance</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:68%"></div></div>

          <div class="module-progress-label">68% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>


    <a href="#" class="module-card reveal reveal-delay-1">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Regulations</div>

        <div class="module-desc">FARs Part 61, 91, 121, 135 — currency, privileges, limits</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:42%"></div></div>

          <div class="module-progress-label">42% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>


    <a href="#" class="module-card reveal reveal-delay-2">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Weather</div>

        <div class="module-desc">METAR, TAF, SIGMETs, AIRMETs, fronts, icing, turbulence</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:81%"></div></div>

          <div class="module-progress-label">81% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>


    <a href="#" class="module-card reveal">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Navigation</div>

        <div class="module-desc">VOR, GPS, ILS, sectional charts, Class 1 & 2 navigation</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:35%"></div></div>

          <div class="module-progress-label">35% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>


    <a href="#" class="module-card reveal reveal-delay-1">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Airspace</div>

        <div class="module-desc">Classes A–G, special use, TFRs, Part 139 airports, PPR</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:55%"></div></div>

          <div class="module-progress-label">55% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>


    <a href="#" class="module-card reveal reveal-delay-2">

      <div class="module-icon"></div>

      <div class="module-info">

        <div class="module-name">Dispatcher (DX)</div>

        <div class="module-desc">Operational control, ETOPS, flight release, MEL, dispatch</div>

        <div class="module-progress-wrap">

          <div class="module-progress-bar"><div class="module-progress-fill" style="width:20%"></div></div>

          <div class="module-progress-label">20% COMPLETE</div>

        </div>

      </div>

      <div class="module-arrow">›</div>

    </a>

  </div>

</section>


<!-- ============ QUIZ PREVIEW ============ -->

<section id="quiz-preview">

  <div class="quiz-layout">

    <div>

      <div class="section-label reveal"><span>Interactive Practice</span></div>

      <h2 class="section-heading reveal reveal-delay-1">Try a question<br/>right now.</h2>

      <p class="section-sub reveal reveal-delay-2">

        Tap an answer for instant feedback, the explanation, and the visual diagram.

        Every question links back to the ACS code and source regulation.

      </p>


      <div class="quiz-features reveal reveal-delay-3">

        <div class="feature-item">

          <div class="feature-icon"></div>

          <div>

            <div class="feature-title">Spaced Repetition</div>

            <div class="feature-desc">SM-2 algorithm resurfaces missed questions at exactly the right interval — like Anki, built in.</div>

          </div>

        </div>

        <div class="feature-item">

          <div class="feature-icon"></div>

          <div>

            <div class="feature-title">Visual Explanations</div>

            <div class="feature-desc">Every explanation includes a "View Image" button — diagrams and charts that make it click.</div>

          </div>

        </div>

        <div class="feature-item">

          <div class="feature-icon"></div>

          <div>

            <div class="feature-title">Mock FAA Exams</div>

            <div class="feature-desc">Timed 60-question exams matching the FAA's exact topic weighting and pass threshold.</div>

          </div>

        </div>

      </div>

    </div>


    <div class="quiz-card reveal">

      <div class="quiz-tags">

        <span class="tag tag-module">WEATHER</span>

        <span class="tag tag-cert">PPL</span>

      </div>

      <div class="quiz-question">

        When temperature and dewpoint are within 5°F of each other, what weather hazard should a pilot anticipate?

      </div>

      <div class="quiz-options" id="quiz-options">

        <div class="quiz-option" onclick="selectAnswer(this, false)">

          <div class="option-letter">A</div>

          Thunderstorm development

        </div>

        <div class="quiz-option" onclick="selectAnswer(this, true)">

          <div class="option-letter">B</div>

          Fog or low cloud formation

        </div>

        <div class="quiz-option" onclick="selectAnswer(this, false)">

          <div class="option-letter">C</div>

          Clear air turbulence

        </div>

        <div class="quiz-option" onclick="selectAnswer(this, false)">

          <div class="option-letter">D</div>

          Wind shear at altitude

        </div>

      </div>

      <div class="explanation-box" id="explanation">

        <div class="explanation-label"> EXPLANATION</div>

        <div class="explanation-text">

          A small temperature/dewpoint spread (within 5°F) means the air is close to saturation.

          Combined with calm winds and clear overnight skies, this creates ideal conditions for

          radiation fog. When spread reaches 0°F the air is fully saturated — expect fog.

        </div>

        <button class="view-image-btn" onclick="openModal()"> View Image</button>

      </div>

    </div>

  </div>

</section>


<!-- ============ PRICING ============ -->

<section id="pricing" style="text-align:center;">

  <div class="section-label reveal" style="justify-content:center;"><span>Simple Pricing</span></div>

  <h2 class="section-heading reveal reveal-delay-1">Start free.<br/>Upgrade when ready.</h2>

  <p class="section-sub reveal reveal-delay-2" style="margin:0 auto 56px;">

    No tricks, no auto-renewal surprises. Cancel anytime.

  </p>


  <div class="pricing-grid reveal">

    <div class="pricing-card">

      <div class="pricing-plan">Free</div>

      <div class="pricing-price">$0</div>

      <div class="pricing-period">Forever free</div>

      <ul class="pricing-features">

        <li>50 practice questions/month</li>

        <li>3 training modules</li>

        <li>Basic progress tracking</li>

        <li>Visual explanations</li>

      </ul>

      <a href="#" class="btn-secondary" style="width:100%;justify-content:center;">Get Started Free</a>

    </div>


    <div class="pricing-card featured">

      <div class="pricing-popular">Most Popular</div>

      <div class="pricing-plan">Pro</div>

      <div class="pricing-price">$12<span>/mo</span></div>

      <div class="pricing-period">Billed monthly · cancel anytime</div>

      <ul class="pricing-features">

        <li>Unlimited practice questions</li>

        <li>All 6 training modules</li>

        <li>Mock FAA exams (timed)</li>

        <li>Spaced repetition engine</li>

        <li>Progress analytics</li>

        <li>YouTube course access</li>

      </ul>

      <a href="#" class="btn-primary" style="width:100%;justify-content:center;">Start Pro — $12/mo</a>

    </div>


    <div class="pricing-card">

      <div class="pricing-plan">Dispatcher</div>

      <div class="pricing-price">$19<span>/mo</span></div>

      <div class="pricing-period">DX exam specialist track</div>

      <ul class="pricing-features">

        <li>Everything in Pro</li>

        <li>Full DX certificate track</li>

        <li>Dispatcher scenarios</li>

        <li>ETOPS & MEL modules</li>

        <li>Operational control</li>

        <li>Priority support</li>

      </ul>

      <a href="#" class="btn-secondary" style="width:100%;justify-content:center;">Start Dispatcher</a>

    </div>

  </div>

</section>


<!-- ============ CTA ============ -->

<section id="cta">

  <div class="cta-box reveal">

    <h2 class="cta-title">Ready to ace your checkride?</h2>

    <p class="cta-sub">Join thousands of student pilots and dispatchers training smarter with AirNyx.</p>

    <div class="hero-buttons" style="justify-content:center;">

      <a href="#" class="btn-primary">Start Free Today </a>

      <a href="https://youtube.com/@airnyx" class="btn-secondary"> Watch on YouTube</a>

    </div>

  </div>

</section>

</main>


<!-- ============ FOOTER ============ -->

<footer>

  <div>

    <div class="footer-brand">AirNyx </div>

    <div class="footer-tagline">Learn · Apply · Excel</div>

  </div>

  <div class="footer-links">

    <a href="#">Home</a>

    <a href="#modules">Modules</a>

    <a href="#pricing">Pricing</a>

    <a href="https://youtube.com/@airnyx">YouTube</a>

    <a href="#">Privacy</a>

    <a href="#">Terms</a>

  </div>

  <div class="footer-copy">© 2026 AIRNYX</div>

</footer>


<!-- ============ MODAL ============ -->

<div class="modal-overlay" id="modal" onclick="closeModal(event)">

  <div class="modal-box">

    <div class="modal-header">

      <div class="modal-title"> Visual Explanation</div>

      <button class="modal-close" onclick="closeModal()"></button>

    </div>

    <div class="modal-diagram">

      <svg viewBox="0 0 320 220">

        <line x1="40" y1="180" x2="300" y2="180" stroke="#8AA4BF" stroke-width="1.5"/>

        <line x1="40" y1="180" x2="40" y2="20" stroke="#8AA4BF" stroke-width="1.5"/>

        <text x="160" y="208" fill="#8AA4BF" font-size="11" text-anchor="middle" font-family="JetBrains Mono, monospace">Time of day </text>

        <text x="14" y="100" fill="#8AA4BF" font-size="11" text-anchor="middle" font-family="JetBrains Mono, monospace" transform="rotate(-90 14 100)">Temp °F</text>

        <path d="M 40 120 Q 100 60 160 50 Q 220 70 300 110" stroke="#DC2626" stroke-width="2.5" fill="none"/>

        <text x="90" y="48" fill="#DC2626" font-size="11" font-weight="700" font-family="Bricolage Grotesque, sans-serif">Temperature</text>

        <path d="M 40 140 Q 100 130 160 125 Q 220 122 300 120" stroke="#2B7BC4" stroke-width="2.5" fill="none"/>

        <text x="90" y="155" fill="#2B7BC4" font-size="11" font-weight="700" font-family="Bricolage Grotesque, sans-serif">Dewpoint</text>

        <circle cx="290" cy="115" r="6" fill="#D97706"/>

        <text x="200" y="100" fill="#D97706" font-size="10" font-weight="700" font-family="Bricolage Grotesque, sans-serif">Spread &lt; 5°F</text>

        <text x="200" y="114" fill="#D97706" font-size="9" font-family="JetBrains Mono, monospace"> fog likely</text>

      </svg>

    </div>

    <div class="modal-caption">

      Temperature/dewpoint spread — when the two values converge within 5°F (≈3°C),

      the air approaches saturation. Combined with calm winds and overnight cooling,

      radiation fog is likely by dawn.

    </div>

  </div>

</div>


<script>

let answered = false;


function selectAnswer(el, isCorrect) {

  if (answered) return;

  answered = true;


  document.querySelectorAll('.quiz-option').forEach((opt) => {

    opt.style.pointerEvents = 'none';

    if (opt === el) {

      opt.classList.add(isCorrect ? 'correct' : 'wrong');

      opt.querySelector('.option-letter').textContent = isCorrect ? '' : '';

    } else if (opt.onclick.toString().includes('true')) {

      opt.classList.add('correct');

      opt.querySelector('.option-letter').textContent = '';

    }

  });


  document.getElementById('explanation').classList.add('visible');

}


function openModal() { document.getElementById('modal').classList.add('open'); }

function closeModal(e) {

  if (!e || e.target === document.getElementById('modal') || e.currentTarget.classList.contains('modal-close')) {

    document.getElementById('modal').classList.remove('open');

  }

}


const observer = new IntersectionObserver((entries) => {

  entries.forEach(entry => {

    if (entry.isIntersecting) {

      entry.target.classList.add('visible');

      observer.unobserve(entry.target);

    }

  });

}, { threshold: 0.12 });

document.querySelectorAll('.reveal').forEach(el => observer.observe(el));


const progressObserver = new IntersectionObserver((entries) => {

  entries.forEach(entry => {

    if (entry.isIntersecting) {

      const fills = entry.target.querySelectorAll('.module-progress-fill');

      fills.forEach(fill => {

        const target = fill.style.width;

        fill.style.width = '0%';

        setTimeout(() => { fill.style.width = target; }, 200);

      });

    }

  });

}, { threshold: 0.2 });

document.querySelectorAll('.modules-grid').forEach(el => progressObserver.observe(el));


window.addEventListener('scroll', () => {

  const nav = document.querySelector('nav');

  nav.style.boxShadow = window.scrollY > 20 ? '0 4px 24px rgba(15,37,64,0.1)' : 'none';

});

</script>

</body>

</html>