/* Base reset & variables */
:root {
  --bg: #0a0a0a;
  --bg-soft: #1a1a1a;
  --text: #ffffff;
  --muted: #e0e0e0;
  --primary: #00a8ff;
  --primary-700: #0091e6;
  --accent: #ff4757;
  --accent-700: #ff3742;
  --success: #2ed573;
  --warning: #ffa502;
  --purple: #a55eea;
  --orange: #ff6b35;
  --border: #444444;
  --card: #1e1e1e;
  --card-hover: #2a2a2a;
  --gradient: linear-gradient(135deg, #00a8ff, #ff4757);
  --gradient-success: linear-gradient(135deg, #2ed573, #00a8ff);
  --gradient-warning: linear-gradient(135deg, #ffa502, #ff4757);
  --gradient-purple: linear-gradient(135deg, #a55eea, #00a8ff);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--primary);
  color: #0b0e0c;
  padding: .5rem .75rem;
  border-radius: .5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 15, 18, 0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 0;
}
.brand { display: flex; align-items: center; gap: .5rem; }
.logo { width: 36px; height: 36px; }
.brand-name { font-weight: 700; letter-spacing: .2px; }

.main-nav { position: relative; }
.nav-toggle {
  display: inline-flex;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: .5rem .75rem;
  border-radius: .5rem;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}
.nav-links a { color: var(--text); text-decoration: none; }

@media (max-width: 720px) {
  .nav-links { display: none; position: absolute; right: 0; top: calc(100% + .5rem); background: var(--bg-soft); padding: .75rem; border: 1px solid var(--border); border-radius: .5rem; width: max(220px, 50vw); flex-direction: column; }
  .nav-links.open { display: flex; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: .8rem 1.1rem; border-radius: .6rem; text-decoration: none; font-weight: 600; border: 1px solid transparent; transition: transform .05s ease, background .2s ease, border-color .2s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--gradient); color: #ffffff; box-shadow: 0 4px 15px rgba(0, 168, 255, 0.3); }
.btn-primary:hover { background: var(--primary-700); box-shadow: 0 6px 20px rgba(0, 168, 255, 0.4); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--primary); }
.btn-ghost:hover { background: var(--primary); color: #ffffff; box-shadow: 0 4px 15px rgba(0, 168, 255, 0.2); }

/* Hero */
.hero { 
  padding: 5rem 0 3rem; 
  background: 
    radial-gradient(1200px 800px at 70% -10%, rgba(0, 168, 255, .15), rgba(0,0,0,0)),
    radial-gradient(800px 600px at 30% 80%, rgba(255, 71, 87, .1), rgba(0,0,0,0)),
    linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  border-bottom: 2px solid var(--primary);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(0, 168, 255, 0.03) 50%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
}
.hero-copy h1 { 
  font-size: clamp(1.9rem, 2.6vw + 1.2rem, 3rem); 
  line-height: 1.15; 
  margin: 0 0 1rem;
  background: linear-gradient(135deg, #ffffff, #00a8ff, #ff4757);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-copy p { color: var(--muted); margin: 0 0 1.5rem; }
.cta-group { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-media img { 
  width: 100%; 
  height: auto; 
  border-radius: 1rem; 
  border: 2px solid var(--primary); 
  box-shadow: 
    0 20px 40px rgba(0, 168, 255, 0.2),
    0 10px 20px rgba(0,0,0,.5);
}

@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
}

/* Features */
.features { padding: 3rem 0; background: linear-gradient(180deg, rgba(0, 168, 255, 0.02), rgba(0,0,0,0)); }
.features h2 { margin: 0 0 1.25rem; color: var(--primary); }
.feature-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 0; padding: 0; }
.feature-item { 
  background: var(--card); 
  border: 2px solid var(--border); 
  padding: 1.5rem; 
  border-radius: 1rem; 
  text-align: center; 
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform .3s ease;
}
.feature-item:hover { 
  transform: translateY(-5px); 
  border-color: var(--primary); 
  background: var(--card-hover);
  box-shadow: 0 10px 30px rgba(0, 168, 255, 0.15);
}
.feature-item:hover::before {
  transform: scaleX(1);
}
.feature-item:nth-child(1) { border-color: var(--primary); }
.feature-item:nth-child(2) { border-color: var(--success); }
.feature-item:nth-child(3) { border-color: var(--warning); }
.feature-item h3 { margin: 0 0 .5rem; color: var(--text); }
.feature-item p { margin: 0; color: var(--muted); }
.emoji-icon { font-size: 3rem; margin-bottom: 1rem; display: block; }

@media (max-width: 920px) { 
  .feature-grid { grid-template-columns: 1fr; }
  .tracking-grid { grid-template-columns: 1fr; }
}

/* Tracking Section */
.tracking-section { 
  padding: 3rem 0; 
  background: linear-gradient(135deg, rgba(0, 168, 255, 0.05), rgba(255, 71, 87, 0.05)); 
  border-top: 2px solid var(--accent); 
  border-bottom: 2px solid var(--primary); 
}
.tracking-section h2 { margin: 0 0 1.25rem; text-align: center; color: var(--accent); }
.tracking-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.tracking-feature { 
  background: var(--card); 
  border: 2px solid var(--border); 
  padding: 1.5rem; 
  border-radius: 1rem; 
  text-align: center; 
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.tracking-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-warning);
  transform: scaleX(0);
  transition: transform .3s ease;
}
.tracking-feature:hover { 
  transform: translateY(-5px); 
  border-color: var(--accent); 
  background: var(--card-hover);
  box-shadow: 0 10px 30px rgba(255, 71, 87, 0.15);
}
.tracking-feature:hover::before {
  transform: scaleX(1);
}
.tracking-feature:nth-child(1) { border-color: var(--success); }
.tracking-feature:nth-child(2) { border-color: var(--warning); }
.tracking-feature:nth-child(3) { border-color: var(--purple); }
.tracking-feature:nth-child(4) { border-color: var(--orange); }
.tracking-feature h3 { margin: 0 0 .5rem; color: var(--text); }
.tracking-feature p { margin: 0; color: var(--muted); }

/* About */
.about { 
  padding: 3rem 0; 
  border-top: 2px solid var(--success); 
  border-bottom: 2px solid var(--warning); 
  background: linear-gradient(135deg, rgba(46, 213, 115, 0.05), rgba(255, 165, 2, 0.05)); 
}
.about-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 2rem; align-items: center; }
.about-media img { 
  width: 100%; 
  height: auto; 
  border-radius: 1rem; 
  border: 2px solid var(--success); 
  box-shadow: 0 15px 35px rgba(46, 213, 115, 0.2);
}
.about-copy h2 { margin: 0 0 .75rem; color: var(--success); }
.about-copy p { margin: 0 0 .75rem; color: var(--muted); }
.checklist { margin: 0; padding-left: 1.2rem; }
.checklist li { margin-bottom: .5rem; }

@media (max-width: 920px) { .about-inner { grid-template-columns: 1fr; } }

/* Testimonials */
.testimonials { padding: 3rem 0; background: linear-gradient(180deg, rgba(165, 94, 234, 0.03), rgba(0,0,0,0)); }
.testimonial-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial { 
  background: var(--card); 
  border: 2px solid var(--border); 
  border-radius: 1rem; 
  padding: 1.5rem; 
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.testimonial::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-purple);
  transform: scaleX(0);
  transition: transform .3s ease;
}
.testimonial:hover { 
  transform: translateY(-5px); 
  border-color: var(--purple); 
  background: var(--card-hover);
  box-shadow: 0 10px 30px rgba(165, 94, 234, 0.15);
}
.testimonial:hover::before {
  transform: scaleX(1);
}
.testimonial:nth-child(1) { border-color: var(--primary); }
.testimonial:nth-child(2) { border-color: var(--accent); }
.testimonial:nth-child(3) { border-color: var(--success); }
.testimonial blockquote { margin: 0; }
.testimonial p { margin: 0 0 .75rem; }
.testimonial footer { color: var(--muted); }

@media (max-width: 920px) { .testimonial-grid { grid-template-columns: 1fr; } }

/* Contact */
.contact { 
  padding: 3rem 0; 
  border-top: 2px solid var(--orange); 
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(0, 168, 255, 0.05));
}
.contact-form { max-width: 640px; }
.form-row { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .9rem; }
.form-row label { font-weight: 600; }
.form-row input, .form-row textarea {
  background: var(--bg-soft);
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: .6rem;
  padding: .75rem .8rem;
  transition: border-color .2s ease;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}
.consent-row { flex-direction: row; align-items: center; gap: .5rem; }
.form-note { color: var(--muted); font-size: .95rem; }

/* Footer */
.site-footer { 
  border-top: 2px solid var(--primary); 
  padding: 2rem 0; 
  color: var(--muted); 
  background: linear-gradient(135deg, rgba(0, 168, 255, 0.02), rgba(0,0,0,0));
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.site-footer nav { display: flex; gap: 1rem; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }