/* style.css - tokens, base, layout, animation. Page-specific styles live in index.html <head>. */
@import url('../fonts/fonts.css'); /* written by scripts/fetch_fonts.py */

:root {
  --brand: #ed1c24;
  --accent: #003664;
  --dark: #0f1213;
  --text: #1a1a1a;
  --text-light: #4a4a4a;
  --text-muted: #6b6b6b;
  --bg: #ffffff;
  --bg-alt: #f4f2f0; /* gotcha 5: visible against white */
  --font-heading: 'Lexend', Georgia, serif;
  --font-body: 'Poppins', system-ui, -apple-system, sans-serif;
  --container: 1200px;
  --radius: 10px;
}

html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img {
  object-fit: cover;
}

/* Typography - gotcha 1: headings carry their own bottom margin */
h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
}
h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 1.25rem;
}
h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  margin-bottom: 1rem;
}
h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 0.75rem;
}
p {
  max-width: 640px;
  margin-bottom: 1rem;
}
p:last-child {
  margin-bottom: 0;
}
.label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.75rem;
} /* gotcha 2 */

/* Layout */
.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow {
  width: min(800px, 100% - 2.5rem);
  margin-inline: auto;
}
section {
  padding: 7rem 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section--dark {
  background: var(--dark);
  color: #fff;
}
.section--centred .label,
.section--centred h2 {
  text-align: center;
  max-width: none;
} /* gotchas 3 + 6 */
.section__intro {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 2.5rem !important;
} /* gotcha 4 */
.section__sub {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1rem !important;
} /* gotcha 7 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.card {
  background: #fff;
  border: 1px solid #e6e2de;
  border-radius: var(--radius);
  padding: 2rem;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.8rem;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn--accent {
  background: var(--accent);
  color: #fff;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.6rem 0;
  transition:
    background 0.3s ease,
    box-shadow 0.3s ease;
}
.nav--scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo img {
  height: 36px;
  width: auto;
}

/* Animation */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: none;
}
.stagger > *:nth-child(2) {
  transition-delay: 0.1s;
}
.stagger > *:nth-child(3) {
  transition-delay: 0.2s;
}
.stagger > *:nth-child(4) {
  transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 900px) {
  section {
    padding: 5rem 0;
  }
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .grid-2 > .grid__image {
    order: -1;
  }
}
@media (max-width: 600px) {
  section {
    padding: 3.5rem 0;
  }
  h2 {
    font-size: 1.5rem;
  }
  .btn {
    width: 100%;
    justify-content: center;
    font-size: 0.85rem;
    padding: 0.75rem 1.4rem;
  }
  .card {
    padding: 1.5rem;
  }
  .nav__logo img {
    height: 28px;
  }
  .grid-2,
  .grid-3 {
    gap: 2rem;
  }
}