/* Inerly Marketing Site — Base / Reset / Mobile-first Layout
   Design language ported from the Flutter app's app_theme.dart tokens
   (see tokens.css). Mobile-first: unprefixed rules target the smallest
   screens; min-width media queries progressively enhance upward. */

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

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

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

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-light-pink);
  -webkit-font-smoothing: antialiased;
  /* Safe-area handling for modern iPhones (notch / home indicator) */
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

img, picture, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

/* ---- Skip link (keyboard accessibility) ---- */
.skip-link {
  position: absolute;
  top: -48px;
  left: 8px;
  /* WEB-01C: use --color-primary-deep (darkened) instead of --color-primary;
     white-on-primary was only 3.25:1, fails WCAG AA 4.5:1 for this small bold text */
  background: var(--color-primary-deep);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
  font-weight: 700;
}
.skip-link:focus {
  top: 8px;
}

/* ---- Visible focus states (keyboard navigation) ---- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-primary-deep);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-page);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-page-lg); }
}
@media (min-width: 1024px) {
  .container { padding-inline: 32px; }
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-page);
}

/* ---- Typography utility classes ---- */
h1, .h1 { font-size: var(--fs-h1); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; color: var(--color-text-primary); }
h2, .h2 { font-size: var(--fs-h2); font-weight: 800; letter-spacing: -0.01em; line-height: 1.15; color: var(--color-text-primary); }
h3, .h3 { font-size: var(--fs-h3); font-weight: 800; letter-spacing: -0.005em; color: var(--color-text-primary); }
.display { font-size: var(--fs-display); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; color: var(--color-text-primary); }
.body-lg { font-size: var(--fs-body-lg); color: var(--color-text-secondary); line-height: 1.6; }
.body-text { font-size: var(--fs-body); color: var(--color-text-secondary); line-height: 1.6; }
.small-text { font-size: var(--fs-small); color: var(--color-text-secondary); }
.meta-text { font-size: var(--fs-meta); color: var(--color-text-muted); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-meta);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  background: var(--color-blush);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--gradient-primary-cta);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { opacity: 0.94; }

.btn-secondary {
  background: #fff;
  color: var(--color-primary-deep);
  border: 1.5px solid var(--color-border-strong);
}
.btn-secondary:hover { background: var(--color-blush); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  padding: 10px 16px;
}
.btn-ghost:hover { background: var(--color-blush); }

.btn-block { width: 100%; }

/* ---- Cards ---- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-card);
  box-shadow: var(--shadow-card);
}

/* ---- Section spacing ---- */
.section {
  padding-block: 56px;
}
@media (min-width: 768px) {
  .section { padding-block: 80px; }
}
@media (min-width: 1024px) {
  .section { padding-block: 104px; }
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 40px;
}
.section-header h2 { margin-bottom: 14px; }

/* ---- Grids (mobile-first: 1 col, expands at breakpoints) ---- */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.mt-0 { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.row { display: flex; align-items: center; gap: 12px; }
.row-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }

/* lazy-loading images: reserve space to reduce CLS */
img[loading="lazy"] { background: var(--color-blush); }