/* BoostLabs — minimal single-page site */

:root {
  --bg: #ffffff;
  --bg-elevated: #f9fafb;
  --tint: rgba(37, 99, 235, 0.05);
  --text: #111827;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --border: rgba(15, 23, 42, 0.1);
  --radius: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-display: "Source Serif 4", "Georgia", "Times New Roman", serif;
  /* One column: header, body text, and cards share this width */
  --max: 44rem;
  --space: clamp(1rem, 3vw, 1.5rem);
}

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

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.011em;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(ellipse 120% 80% at 50% -15%, rgba(37, 99, 235, 0.06), transparent 48%);
}

.skip {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent-hover);
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem var(--space);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
}

.nav a:hover {
  color: var(--text);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space) 4rem;
}

.hero {
  padding: clamp(3.5rem, 12vh, 6rem) 0 3.5rem;
}

.hero__eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero__lede {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 400;
  color: var(--text-muted);
  line-height: 1.6;
  letter-spacing: -0.015em;
}

.section {
  padding: 2.5rem 0;
}

.section--tint {
  margin: 0 calc(-1 * var(--space));
  padding: 2.5rem var(--space);
  border-radius: var(--radius);
  background: var(--tint);
  border: 1px solid var(--border);
}

.section__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.018em;
}

.section__content p {
  margin: 0 0 1rem;
  color: var(--text-muted);
}

.section__content p:last-child {
  margin-bottom: 0;
}

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.card {
  display: block;
  width: 100%;
  padding: 1.5rem 1.5rem 1.4rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.card__header {
  margin-bottom: 0.75rem;
}

.card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.018em;
}

.card__tagline {
  margin: 0.2rem 0 0;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.card__figure {
  margin: 0 0 1.1rem;
  width: 100%;
  max-width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #ffffff;
}

.card__image {
  display: block;
  width: 100%;
  height: auto;
}

.card__body {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn--primary {
  background: var(--accent);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #ffffff;
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--text);
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--space) 2.5rem;
  border-top: 1px solid var(--border);
}

.footer__text {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--text-muted);
}