@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

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

:root {
  --bg-deep: #07091a;
  --bg-mid: #0c0f24;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border-glass: rgba(255,255,255,0.08);
  --border-glass-hover: rgba(255,255,255,0.16);
  --text-primary: #eef2ff;
  --text-secondary: rgba(238,242,255,0.55);
  --text-muted: rgba(238,242,255,0.35);
  --accent-blue: #4a90e2;
  --accent-purple: #7b5ea7;
  --accent-mid: #6172c8;
  --gradient: linear-gradient(135deg, #4a90e2 0%, #7b5ea7 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(74,144,226,0.15) 0%, rgba(123,94,167,0.15) 100%);
  --gradient-border: linear-gradient(135deg, rgba(74,144,226,0.5), rgba(123,94,167,0.5));
  --font-heading: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --nav-h: 72px;
  --max-w: 1140px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── CANVAS BACKGROUND ── */
#canvas-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

.page-wrap {
  position: relative;
  z-index: 1;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  transition: background var(--transition), border-color var(--transition);
}

nav.scrolled {
  background: rgba(7, 9, 26, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-glass);
}

.nav-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.1em;
}

.nav-logo .recon { color: var(--text-primary); }
.nav-logo .ai-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color var(--transition);
}

.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }

.nav-cta {
  background: var(--gradient) !important;
  -webkit-background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  background-clip: unset !important;
  color: #fff !important;
  padding: 0.55rem 1.4rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity var(--transition), transform var(--transition) !important;
}

.nav-cta:hover { opacity: 0.85; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-primary);
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(7,9,26,0.97);
  backdrop-filter: blur(24px);
  padding: 1.5rem 2rem;
  z-index: 99;
  border-bottom: 1px solid var(--border-glass);
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--text-secondary); text-decoration: none; font-size: 1rem; padding: 0.5rem 0; }
.mobile-menu a:hover { color: var(--text-primary); }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5 { font-family: var(--font-heading); line-height: 1.2; }

.display-title {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.75;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.label-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue);
  border: 1px solid rgba(74,144,226,0.3);
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  background: rgba(74,144,226,0.07);
  margin-bottom: 1.25rem;
}

/* ── LAYOUT ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
}

section { padding: clamp(4rem, 8vw, 7rem) 0; }

/* ── GLASS CARDS ── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-3px);
}

.glass-card-accent {
  position: relative;
  overflow: hidden;
}

.glass-card-accent::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(74,144,226,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(74,144,226,0.35);
  opacity: 0.92;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glass-hover);
}

.btn-ghost:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.875rem; }

/* ── DIVIDER ── */
.gradient-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(74,144,226,0.3), rgba(123,94,167,0.3), transparent);
  margin: 0;
}

/* ── GRID UTILS ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 1.25rem; }

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}

.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; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── FOOTER ── */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border-glass);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition);
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ── PAGE HERO ── */
.page-hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  text-align: center;
}

/* ── FORM STYLES ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(74,144,226,0.5);
  background: rgba(255,255,255,0.06);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ── BADGE ── */
.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  letter-spacing: 0.03em;
}

.badge-blue {
  background: rgba(74,144,226,0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(74,144,226,0.2);
}

.badge-purple {
  background: rgba(123,94,167,0.12);
  color: #a07dd0;
  border: 1px solid rgba(123,94,167,0.2);
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .display-title { font-size: 2.4rem; }
  .section-title { font-size: 1.6rem; }
}