/* ===== DESIGN SYSTEM ===== */
:root {
  /* Colors */
  --bg:          #06090f;
  --bg-alt:      #0c1420;
  --surface:     #131e30;
  --surface-2:   #1a2940;
  --border:      #243352;
  --border-light:#2e4068;

  --text:        #e8eefc;
  --text-2:      #b4c0d8;
  --text-3:      #8494b2;

  --primary:     #3b8bff;
  --primary-light:#6aabff;
  --primary-dark: #2563c4;
  --primary-glow: rgba(59, 139, 255, 0.15);

  --accent:      #10b981;
  --warning:     #f59e0b;

  /* Spacing */
  --s-xs: 0.25rem;
  --s-sm: 0.5rem;
  --s-md: 1rem;
  --s-lg: 1.5rem;
  --s-xl: 2.5rem;
  --s-2xl: 4rem;

  /* Radius */
  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  16px;
  --r-xl:  24px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.2s var(--ease);
  --t-med:  0.4s var(--ease);
  --t-slow: 0.6s var(--ease);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--primary); }

/* ===== LAYOUT ===== */
.container { width: min(1120px, 90%); margin: 0 auto; }

/* ===== ANIMATIONS ===== */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  background: rgba(6, 9, 15, 0.7);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  gap: var(--s-md);
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
}
.logo:hover { color: var(--text); }
.logo-badge {
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.logo small { display: block; color: var(--text-3); font-size: 0.75rem; }
.nav-links {
  display: flex; align-items: center; gap: var(--s-lg);
}
.nav-links a { color: var(--text-2); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.mobile-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 28px; height: 20px; position: relative;
  flex-direction: column; justify-content: space-between;
}
.mobile-toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--t-fast);
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  border: none; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white; font-weight: 600; font-size: 0.9rem;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
  text-decoration: none;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,139,255,0.3);
  color: white;
}
.btn:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  box-shadow: 0 0 20px var(--primary-glow);
}
.btn-sm { padding: 0.5rem 0.9rem; font-size: 0.85rem; }
.btn-lg { padding: 0.9rem 1.6rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  padding: 6rem 0 3rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--primary-glow), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s-xl);
  align-items: center;
}
.eyebrow {
  color: var(--primary-light);
  font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.5px;
  margin-bottom: var(--s-sm);
}
h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: var(--s-md);
  letter-spacing: -0.02em;
}
.text-gradient {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lead { color: var(--text-2); font-size: 1.05rem; max-width: 55ch; line-height: 1.7; }
.hero-actions { display: flex; gap: 0.7rem; margin-top: var(--s-lg); flex-wrap: wrap; }

/* Stats */
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-sm);
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-lg) var(--s-md);
  text-align: center;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.stat-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}
.stat-card.highlight {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(59,139,255,0.08), var(--surface));
}
.stat-number {
  display: block;
  font-size: 1.6rem; font-weight: 800;
  color: var(--text);
}
.stat-label {
  display: block;
  font-size: 0.78rem; color: var(--text-3);
  margin-top: 0.2rem;
}

/* Scroll hint */
.hero-scroll-hint {
  text-align: center; margin-top: var(--s-xl);
  color: var(--text-3);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ===== TRUST BAR ===== */
.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(19, 30, 48, 0.4);
  padding: var(--s-md) 0;
}
.trust-items {
  display: flex;
  justify-content: center;
  gap: var(--s-xl);
  flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--text-2); font-size: 0.88rem; font-weight: 500;
}
.trust-item svg { color: var(--accent); flex-shrink: 0; }

/* ===== SECTIONS ===== */
.section { padding: var(--s-2xl) 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: var(--s-xl); }
.section-sub { color: var(--text-2); max-width: 55ch; margin: 0.5rem auto 0; }

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ===== SERVICE CARDS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s-md); }

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  transition: border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.service-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: var(--primary-glow);
  display: grid; place-items: center;
  margin-bottom: var(--s-md);
  color: var(--primary-light);
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.service-card p { color: var(--text-2); font-size: 0.9rem; margin-bottom: var(--s-md); }
.service-tags {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  list-style: none; padding: 0;
}
.service-tags li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem; color: var(--text-3);
}

/* ===== FEATURE CARDS ===== */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.feature-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}
.feature-number {
  font-size: 2rem; font-weight: 800;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.feature-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.feature-card p { color: var(--text-2); font-size: 0.88rem; }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--s-xl);
  align-items: start;
}
.about-grid p { color: var(--text-2); margin-bottom: var(--s-md); }
.about-highlights {
  display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s-sm);
  margin-top: var(--s-lg);
}
.about-highlight {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--s-md);
}
.about-highlight strong { display: block; font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.5px; }
.about-highlight span { font-size: 0.9rem; font-weight: 600; }

.about-visual { display: flex; align-items: center; }
.about-card {
  background: linear-gradient(135deg, rgba(59,139,255,0.06), var(--surface));
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--r-lg);
  padding: var(--s-xl) var(--s-lg);
}
.about-card blockquote {
  font-size: 1.1rem; font-style: italic;
  line-height: 1.6; color: var(--text);
  margin-bottom: var(--s-md);
}
.about-card cite { color: var(--text-3); font-size: 0.85rem; }

/* ===== AREA GRID ===== */
.area-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s-md);
}
.area-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
}
.area-card h3 { font-size: 0.95rem; margin-bottom: 0.4rem; }
.area-card p { color: var(--text-2); font-size: 0.88rem; }
.area-primary {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(59,139,255,0.06), var(--surface));
}

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: var(--s-sm);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-item[open] { border-color: var(--primary); }
.faq-item summary {
  padding: var(--s-md) var(--s-lg);
  font-weight: 600; font-size: 0.95rem;
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.3rem; color: var(--text-3);
  transition: transform var(--t-fast);
}
.faq-item[open] summary::after { content: '−'; color: var(--primary); }
.faq-item p {
  padding: 0 var(--s-lg) var(--s-md);
  color: var(--text-2); font-size: 0.9rem;
}

/* ===== CTA ===== */
.cta-section { padding: var(--s-xl) 0; }
.cta-card {
  background: linear-gradient(135deg, rgba(59,139,255,0.1), rgba(16,185,129,0.05));
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s-2xl);
  text-align: center;
}
.cta-card h2 { margin-bottom: 0.5rem; }
.cta-card p { color: var(--text-2); margin-bottom: var(--s-lg); }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-xl);
  align-items: start;
}
.contact-info { margin-top: var(--s-lg); display: grid; gap: var(--s-md); }
.contact-item {
  display: flex; gap: var(--s-md); align-items: start;
}
.contact-item svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.82rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.5px; }
.contact-item span { font-size: 0.95rem; }
.placeholder { color: var(--text-3); font-style: italic; }

/* Form */
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-lg);
  display: grid; gap: var(--s-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-md); }
label span {
  display: block;
  font-size: 0.82rem; font-weight: 500;
  color: var(--text-3);
  margin-bottom: 0.3rem;
}
input, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.65rem 0.75rem;
  color: var(--text);
  font-family: inherit; font-size: 0.9rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
input::placeholder, textarea::placeholder { color: var(--text-3); }
.form-success {
  align-items: center; gap: var(--s-sm);
  color: var(--accent);
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--r-md);
  padding: var(--s-md);
}
.form-success p { margin: 0; font-size: 0.9rem; }
.form-note { color: var(--text-3); font-size: 0.78rem; margin: 0; }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--s-xl) 0 var(--s-lg);
  margin-top: var(--s-xl);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-lg);
  padding-bottom: var(--s-lg);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s-md);
}
.footer-brand {
  display: flex; align-items: center; gap: 0.6rem;
}
.footer-brand small { display: block; color: var(--text-3); font-size: 0.75rem; }
.footer-links { display: flex; gap: var(--s-md); }
.footer-links a { color: var(--text-3); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  color: var(--text-3); font-size: 0.82rem;
}
.footer-legal { display: flex; gap: var(--s-md); }
.footer-legal a { color: var(--text-3); }
.footer-legal a:hover { color: var(--text); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero { padding: 4rem 0 2rem; }
  .hero-grid,
  .grid-3,
  .area-grid,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { flex-direction: column; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.5rem; }
  .footer-links { justify-content: center; }
  .footer-legal { justify-content: center; }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 75vw; height: 100vh;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 5rem var(--s-lg) var(--s-lg);
    gap: var(--s-lg);
    transition: right var(--t-med);
    border-left: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.open { right: 0; }
  .mobile-toggle { display: flex; z-index: 101; }
  .trust-items { flex-direction: column; align-items: center; gap: var(--s-md); }
  .form-row { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .hero-scroll-hint { display: none; }
  h1 { font-size: 1.8rem; }
}

/* ===== LEGAL PAGES ===== */
.legal-page { max-width: 720px; }
.legal-page h1 { margin-bottom: var(--s-lg); }
.legal-page h2 { margin-top: var(--s-xl); margin-bottom: var(--s-sm); font-size: 1.2rem; }
.legal-page h3 { margin-top: var(--s-lg); margin-bottom: var(--s-xs); font-size: 1rem; color: var(--text-2); }
.legal-page p, .legal-page li { color: var(--text-2); font-size: 0.9rem; margin-bottom: var(--s-sm); }
.legal-page ul { padding-left: var(--s-lg); }
.legal-page a { color: var(--primary-light); }

/* ===== ACCESSIBILITY ===== */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .animate-in { opacity: 1; transform: none; }
}
@media (prefers-color-scheme: light) {
  /* Future: light mode override */
}