/* ============================================
   AUDITSTREAM AI — MAIN STYLESHEET
   Design: Dark precision / Legal-grade authority
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Mono:wght@400;500&family=Inter:wght@400;500;600;700;800&family=DM+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg:        #080a0f;
  --bg2:       #0d1017;
  --surface:   #111520;
  --surface2:  #161b28;
  --border:    #1c2333;
  --border2:   #243044;
  --accent:    #00e59b;
  --accent2:   #00b87a;
  --accent-dim: rgba(0,229,155,0.12);
  --warn:      #f59e0b;
  --danger:    #ef4444;
  --blue:      #3b82f6;
  --text:      #e4e8f0;
  --text2:     #7a8699;
  --text3:     #3d4a5c;
  --radius:    12px;
  --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* BACKGROUND TEXTURE */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,155,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,155,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* LAYOUT */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ============ NAVIGATION ============ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo-mark {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-mark svg { width: 18px; height: 18px; }
.nav-logo-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-logo-tag {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 8px;
  transition: all 0.18s;
  letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--text); background: var(--surface2); }
.nav-links a.active { color: var(--accent); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Hamburger for mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: all 0.2s;
}

/* Mobile menu overlay — appended directly to <body> to avoid iOS stacking context bugs */
.nav-mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 20px;
  z-index: 9999;
  flex-direction: column;
  gap: 4px;
  -webkit-overflow-scrolling: touch;
}
.nav-mobile-menu.open { display: flex; }

.nav-mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile-menu ul a {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text2);
  text-decoration: none;
  padding: 11px 14px;
  border-radius: 8px;
  transition: all 0.18s;
}
.nav-mobile-menu ul a:hover,
.nav-mobile-menu ul a.active { color: var(--text); background: var(--surface2); }

.nav-mobile-menu .mobile-nav-cta {
  margin-top: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.nav-mobile-menu .mobile-nav-cta a {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--accent) !important;
  color: #020805 !important;
  font-weight: 700;
  font-size: 13px;
  padding: 12px 20px;
  border-radius: 9px;
}

/* Mobile-only CTA item inside the dropdown — hidden on desktop */
.nav-mobile-cta { display: none; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  border-radius: 9px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #020805;
}
.btn-primary:hover {
  background: #00ffad;
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(0,229,155,0.25);
}
.btn-secondary {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border2);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-ghost {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--border2);
}
.btn-lg { padding: 15px 32px; font-size: 15px; border-radius: 10px; }
.btn-sm { padding: 9px 18px; font-size: 12px; }

.btn-arrow svg {
  width: 16px; height: 16px;
  transition: transform 0.2s;
}
.btn:hover .btn-arrow svg { transform: translateX(3px); }

/* ============ TYPOGRAPHY ============ */
.display {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.display-xl { font-size: clamp(44px, 7vw, 80px); }
.display-lg { font-size: clamp(36px, 5vw, 60px); }
.display-md { font-size: clamp(28px, 4vw, 44px); }
.display-sm { font-size: clamp(22px, 3vw, 32px); }

.mono {
  font-family: 'DM Mono', monospace;
}
.label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.label-dim { color: var(--text3); }

h2, h3, h4 { font-family: 'DM Sans', sans-serif; }
h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: -0.02em; }
h3 { font-size: 20px; font-weight: 700; }
h4 { font-size: 15px; font-weight: 700; }

p { color: var(--text2); line-height: 1.75; }

/* ============ CARDS ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.card-hover {
  transition: all 0.22s;
}
.card-hover:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ============ BADGE ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,155,0.2);
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 100px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: badgePulse 2s infinite;
}
@keyframes badgePulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(0.7); }
}

/* ============ SECTION SPACING ============ */
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.section-lg { padding: 140px 0; }
.pt-nav { padding-top: 68px; }

/* ============ DIVIDER ============ */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ============ FOOTER ============ */
footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text3);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h5 {
  font-size: 11px;
  font-weight: 700;
  color: var(--text3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.18s;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.footer-bottom p {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text3);
}
.footer-bottom a {
  color: var(--text3);
  text-decoration: none;
  transition: color 0.18s;
}
.footer-bottom a:hover { color: var(--text2); }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fadeup {
  animation: fadeUp 0.6s ease both;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ============ UTILITIES ============ */
.text-accent { color: var(--accent); }
.text-muted  { color: var(--text2); }
.text-dim    { color: var(--text3); }
.text-center { text-align: center; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8       { gap: 8px; }
.gap-12      { gap: 12px; }
.gap-16      { gap: 16px; }
.gap-24      { gap: 24px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ============ RISK COLORS ============ */
.risk-high   { color: #fca5a5; }
.risk-medium { color: #fde68a; }
.risk-low    { color: #86efac; }
.risk-ok     { color: var(--accent); }

/* ============ FORMS ============ */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 9px;
  padding: 13px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--accent); }
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text3); }
.form-textarea { resize: vertical; min-height: 120px; }

/* ============ MOBILE ============ */
@media (max-width: 768px) {
  .container, .container-narrow { padding: 0 20px; }
  nav { padding: 0 20px; }

  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .section { padding: 70px 0; }
  .section-lg { padding: 90px 0; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
