/* ============================================================
   Integrate BC LLC — Stylesheet
   ============================================================ */

/* --- Custom Properties --- */
:root {
  /* Greens from logo */
  --color-primary: #1B8A4B;
  --color-primary-dark: #0D5C2F;
  --color-primary-light: #23A85D;

  /* Charcoal / dark tones from logo */
  --color-dark: #1A1D1E;
  --color-dark-mid: #2A2D2E;
  --color-dark-light: #3A3D3E;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-gray-50: #F8F9FA;
  --color-gray-100: #F0F1F2;
  --color-gray-300: #CED4DA;
  --color-gray-600: #6C757D;
  --color-gray-800: #343A40;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Layout */
  --max-width: 1100px;
  --max-width-prose: 720px;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

/* [C1] Focus-visible styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--color-dark);
}

ul, ol {
  padding-left: 1.5em;
}

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-dark);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

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

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
}

.nav__brand:hover {
  color: var(--color-primary-light);
}

.nav__brand img {
  height: 36px;
  width: 36px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
}

.nav__links a {
  color: var(--color-gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-xs);
  transition: color 0.2s ease;
}

.nav__links a:hover {
  color: var(--color-white);
}

/* Hamburger — [H3] min 44x44 touch target */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* [L5] Hamburger X animation when open */
.nav__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    gap: 0;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
  }

  .nav__links.is-open {
    display: flex;
  }

  /* [C5] 44px min touch targets for mobile nav links */
  .nav__links a {
    font-size: 1rem;
    display: block;
    padding: 0.75rem 0;
    min-height: 44px;
    line-height: 1.5;
  }
}

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-mid) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/BC.webp') center / cover no-repeat fixed;
  opacity: 0.06;
  pointer-events: none;
}

@media (max-width: 768px) {
  .hero::before {
    background-attachment: scroll;
  }
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__logo {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-lg);
}

.hero h1 {
  color: var(--color-white);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.hero__tagline {
  color: var(--color-primary-light);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
}

.hero__description {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-gray-300);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --- Contact Section --- */
.contact {
  background: var(--color-gray-50);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.contact h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.contact__grid {
  max-width: var(--max-width-prose);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.contact__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--color-dark);
  padding: var(--space-md);
  border-radius: 8px;
  transition: background-color 0.2s ease;
}

a.contact__item:hover {
  background-color: var(--color-gray-100);
}

.contact__icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact__value {
  font-size: 1rem;
  color: var(--color-dark);
  font-weight: 500;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--space-lg);
  text-align: center;
  font-size: 0.85rem;
  margin-top: auto;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
}

/* [C5] 44px min touch targets for footer links */
.footer__links a {
  color: var(--color-gray-300);
  font-size: 0.85rem;
  padding: var(--space-sm) var(--space-xs);
  display: inline-block;
  min-height: 44px;
  line-height: 2.2;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer small {
  display: block;
  font-size: 0.7rem;
  color: var(--color-gray-600);
  margin-top: var(--space-xs);
}

/* --- Legal Pages (Privacy, EULA) --- */
.legal {
  max-width: var(--max-width-prose);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  flex: 1;
}

.legal h1 {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.legal__effective {
  color: var(--color-gray-600);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.legal h2 {
  font-size: 1.25rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-primary);
}

.legal p {
  margin-bottom: var(--space-md);
}

.legal ul, .legal ol {
  margin-bottom: var(--space-md);
}

.legal li {
  margin-bottom: var(--space-xs);
}

.legal strong {
  color: var(--color-dark);
}

/* --- Utilities --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* --- [H1] Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Print --- */
@media print {
  .nav, .footer, .nav__toggle {
    display: none;
  }

  .hero {
    background: none;
    color: var(--color-dark);
    padding: var(--space-lg) 0;
  }

  .hero::before {
    display: none;
  }

  .hero h1,
  .hero__tagline {
    color: var(--color-dark);
  }

  .hero__description {
    color: var(--color-gray-800);
  }

  .legal {
    padding: var(--space-lg) 0;
  }
}