/* Sturdybid home — design tokens + shell styles */

/* Google Fonts CDN fallback — local fonts in colors_and_type.css are preferred when that file is loaded */
@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  /* Steel (brand) */
  --steel-50: #EFF4FB;
  --steel-100: #DCE7F5;
  --steel-200: #B8CFE9;
  --steel-300: #8AB1D9;
  --steel-600: #ff790e;
  --steel-700: #003D8F;

  /* Amber (Most Popular) */
  --amber-100: #FEF3C7;
  --amber-600: #B45309;
  --amber-700: #92400E;

  /* Royal (Premium) */
  --royal-100: #F3E8FF;
  --royal-700: #6B21A8;

  /* Ink */
  --ink-50: #F8FAFC;
  --ink-100: #F1F5F9;
  --ink-200: #E5E7EB;
  --ink-300: #CBD5E1;
  --ink-400: #627083;
  --ink-500: #6B7280;
  --ink-700: #334155;
  --ink-900: #0F172A;

  /* Surfaces */
  --surface-0: #FFFFFF;
  --surface-1: #F7F8FB;

  /* Semantic */
  --green-600: #16A34A;
  --green-700: #15803D;
  --red-600: #DC2626;
}

/* ---- Skip navigation (WCAG 2.4.1) ---- */
.skip-link {
  position: fixed;
  top: -100%;
  left: 6px;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--steel-600);
  color: #fff;
  font-family: 'Inter Tight', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 6px 6px;
}
.skip-link:focus {
  top: 0;
  outline: 3px solid var(--steel-300);
  outline-offset: 2px;
}

/* ---- Focus indicators (WCAG 2.4.7) ---- */
:focus-visible {
  outline: 2px solid var(--steel-600);
  outline-offset: 2px;
  border-radius: 3px;
}
/* Suppress focus ring for mouse users; keep for keyboard */
:focus:not(:focus-visible) { outline: none; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--surface-0);
  color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

#root { min-height: 100vh; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

a { color: inherit; }

.nav-link {
  font-family: "Inter Tight", sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-700);
  text-decoration: none;
  transition: color 120ms;
}
.nav-link:hover { color: var(--ink-900); }

/* Blueprint grid background */
.bp-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 85, 179, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 85, 179, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 60%, transparent 100%);
}

/* Cross-hatched blueprint corner ticks */
.bp-grid::before,
.bp-grid::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--steel-300);
  opacity: 0.5;
}
.bp-grid::before { top: 24px; left: 24px; border-right: none; border-bottom: none; }
.bp-grid::after { bottom: 24px; right: 24px; border-left: none; border-top: none; }

/* Responsive */
/* ---- Hamburger button (hidden on desktop) ---- */
.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  color: var(--ink-900);
  line-height: 0;
}
.nav-hamburger:hover { background: var(--ink-100); }

/* ---- Full-screen mobile menu ---- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--ink-200);
  flex-shrink: 0;
}
.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
}
.mobile-menu-close:hover { background: var(--ink-100); }
.mobile-menu-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 20px 0 8px;
}
.mobile-menu-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-400);
  padding: 0 24px 14px;
}
.mobile-menu-link {
  display: flex;
  align-items: center;
  padding: 22px 24px;
  font-family: 'Inter Tight', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--ink-100);
  letter-spacing: -0.02em;
  transition: background 80ms, color 80ms;
}
.mobile-menu-link:hover { background: var(--steel-50); color: var(--steel-700); }
.mobile-menu-footer {
  padding: 24px;
  border-top: 1px solid var(--ink-200);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

/* Expand button — same visual weight as .mobile-menu-link but a <button> */
.mobile-menu-link-expand {
  background: transparent;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  justify-content: space-between;
}

/* "All features →" link at bottom of a submenu */
.mobile-menu-link-all {
  font-size: 18px !important;
  font-weight: 500 !important;
  color: var(--steel-600) !important;
  letter-spacing: 0 !important;
}

/* Back button in mobile header */
.mobile-menu-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'Inter Tight', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
  transition: background 80ms;
}
.mobile-menu-back:hover { background: var(--ink-100); }

/* Parent label in mobile header (shown when in a submenu) */
.mobile-menu-parent-label {
  font-family: 'Inter Tight', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
}

/* ---- Responsive breakpoints ---- */
@media (max-width: 980px) {
  .nav-links  { display: none !important; }
  .nav-cta    { display: none !important; }
  .nav-hamburger { display: flex !important; }

  .hero-grid    { grid-template-columns: 1fr !important; gap: 48px !important; }
  .how-row      { grid-template-columns: 1fr !important; gap: 20px !important; }
  .prod-head    { grid-template-columns: 1fr !important; gap: 24px !important; }
  .screens-grid { grid-template-columns: 1fr !important; }
  .quotes-grid  { grid-template-columns: 1fr !important; }
  .stat-strip   { grid-template-columns: repeat(2, 1fr) !important; }
  .stat-strip .stat-cell:nth-child(3) { border-left: none !important; }
  .faq-grid     { grid-template-columns: 1fr !important; gap: 32px !important; }
  .footer-grid  { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  .page-2col    { grid-template-columns: 1fr !important; gap: 40px !important; }
  .compare-grid { grid-template-columns: 1fr !important; }
  .feature-3col { grid-template-columns: 1fr !important; }
  .pricing-grid { grid-template-columns: 1fr !important; gap: 16px !important; }
  .lead-form-row { grid-template-columns: 1fr !important; }
}

@media (max-width: 640px) {
  .container { padding-left: 0 !important; padding-right: 0 !important; }
  .container > * { padding-left: 20px; padding-right: 20px; }
  .footer-grid { grid-template-columns: 1fr !important; }
  .stat-strip  { grid-template-columns: 1fr !important; }
  .stat-strip .stat-cell { border-left: none !important; border-top: 1px solid rgba(255,255,255,0.10); }
  .stat-strip .stat-cell:first-child { border-top: none; }
  .mobile-menu-link { font-size: 24px; padding: 18px 20px; }
  .mobile-menu-header, .mobile-menu-footer { padding-left: 20px; padding-right: 20px; }
  .mobile-menu-eyebrow { padding-left: 20px; }
}