/* Theme */
:root {
  --bg: #0b0f17;
  --bg-alt: #0f1420;
  --text: #e8eef7;
  --muted: #a6b0c0;
  --primary: #7cc2ff;
  --primary-strong: #4aa3ff;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.15);
  --accent-1: #6ef3a5;
  --accent-2: #ffd36e;
  --danger: #ff6e8a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #142038 0%, transparent 60%), var(--bg);
  line-height: 1.6;
}

/* Animated background orbs */
.bg-animated {
  position: fixed;
  inset: -20vmax;
  z-index: -1;
  filter: blur(50px) saturate(120%);
  opacity: 0.6;
  pointer-events: none;
}
.orb {
  position: absolute;
  width: 40vmax;
  height: 40vmax;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--primary), transparent 60%);
  animation: float 18s ease-in-out infinite;
  mix-blend-mode: screen;
}
.orb-1 { top: 0; left: 0; }
.orb-2 { right: 0; top: 30vh; background: radial-gradient(circle at 70% 30%, var(--accent-1), transparent 60%); animation-delay: -6s; }
.orb-3 { left: 10vw; bottom: 0; background: radial-gradient(circle at 50% 70%, var(--accent-2), transparent 60%); animation-delay: -12s; }
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-4vmax) translateX(2vmax) scale(1.02); }
}

/* Layout */
.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}
.section {
  padding: 72px 0;
}
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.02) 10%, transparent);
}
.section-title {
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  margin: 0 0 24px 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: rgba(9, 12, 19, 0.6);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.brand-name {
  font-weight: 800;
  letter-spacing: 0.2px;
}
.nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 16px;
  opacity: 0.85;
}
.nav a:hover { opacity: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-small { padding: 8px 12px; border-radius: 10px; font-size: 14px; }
.btn-large { padding: 14px 20px; font-weight: 600; }
.btn-primary { background: linear-gradient(135deg, var(--primary-strong), var(--primary)); box-shadow: 0 8px 24px rgba(74,163,255,0.35); }
.btn-primary:hover { box-shadow: 0 12px 28px rgba(74,163,255,0.45); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.18); }

/* Hero */
.hero {
  padding: 56px 0 24px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: 1.05;
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
}
.lead {
  font-size: 18px;
  color: var(--text);
  opacity: 0.92;
}
.cta-row {
  display: flex;
  gap: 12px;
  margin: 18px 0 4px;
  flex-wrap: wrap;
}
.subtle {
  color: var(--muted);
  font-size: 14px;
}
.hero-media .media-card {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
}
.hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* Cards / grids */
.grid {
  display: grid;
  gap: 18px;
}
.features-grid {
  grid-template-columns: repeat(4, 1fr);
}
.modes-grid {
  grid-template-columns: repeat(3, 1fr);
}
.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 10px 0 6px 0;
  font-size: 18px;
}
.card p {
  color: var(--muted);
  margin: 0;
}
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px) saturate(120%);
}
.icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,194,255,0.15), rgba(110,243,165,0.12));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  border: 1px solid rgba(124,194,255,0.25);
}

/* CTA strip */
.cta-strip {
  padding: 40px 0 64px;
}
.cta-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: linear-gradient(135deg, rgba(124,194,255,0.16), rgba(255,211,110,0.16));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.cta-copy h2 { margin: 0 0 6px 0; }
.cta-copy p { margin: 0; color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0 48px;
  background: linear-gradient(0deg, rgba(255,255,255,0.02), transparent);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 12px;
}
.footer-nav a:hover { color: var(--text); }

/* Forms */
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}
.form-row label {
  font-weight: 600;
  color: var(--text);
  opacity: 0.9;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-row input::placeholder,
.form-row textarea::placeholder {
  color: rgba(230,238,247,0.6);
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--primary);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 0 0 3px rgba(124,194,255,0.18);
}
.form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .modes-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav a { display: none; }
  .btn-small { display: inline-flex; }
  .cta-strip-inner { flex-direction: column; align-items: flex-start; }
}