/* Apple-inspired, mobile-first foundation for a static HTML site.
   Uses the platform system font stack; no external font or framework required. */

:root {
  color-scheme: light;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Helvetica Neue", Arial, sans-serif;

  --color-text: #1d1d1f;
  --color-muted: #6e6e73;
  --color-bg: #fff;
  --color-soft: #f5f5f7;
  --color-line: #d2d2d7;
  --color-link: #06c;

  --page-width: 1120px;
  --gutter: clamp(1.25rem, 5vw, 3.5rem);
  --section-space: clamp(4rem, 10vw, 8rem);

  --radius-card: 1.75rem;
  --radius-button: 999px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: var(--color-link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid #0071e3;
  outline-offset: 4px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.04;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.75rem, 10vw, 6.5rem);
}

h2 {
  font-size: clamp(2.25rem, 7vw, 4.5rem);
}

h3 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

p {
  margin: 0;
  text-wrap: pretty;
}

.lead {
  max-width: 42rem;
  color: var(--color-muted);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.container {
  width: min(calc(100% - var(--gutter) * 2), var(--page-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.section--soft {
  background: var(--color-soft);
}

.section--dark {
  background: #000;
  color: #f5f5f7;
}

.section__intro {
  display: grid;
  gap: 1rem;
  max-width: 48rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgb(0 0 0 / 8%);
  background: rgb(255 255 255 / 85%);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}

.site-header__inner {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-logo {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  line-height: 0;
}

.site-logo img {
  display: block;
  width: clamp(7.5rem, 27vw, 11rem);
  max-width: 33vw;
  height: 2.1rem;
  object-fit: contain;
  object-position: left center;
}
.site-nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2rem);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  color: var(--color-text);
  font-size: 0.8rem;
}

.hero {
  display: grid;
  min-height: min(80svh, 850px);
  align-content: center;
  justify-items: center;
  gap: 1.25rem;
  padding: clamp(5rem, 13vw, 10rem) var(--gutter);
  background: var(--color-soft);
  text-align: center;
}

.hero__title {
  max-width: 14ch;
}

.hero__copy {
  max-width: 38rem;
  color: var(--color-muted);
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  line-height: 1.4;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  margin-top: 0.5rem;
}

.button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  background: #0071e3;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  transition: background-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  background: #0077ed;
  text-decoration: none;
}

.button--secondary {
  border-color: var(--color-link);
  background: transparent;
  color: var(--color-link);
}

.button--secondary:hover {
  background: rgb(0 102 204 / 7%);
}

.feature {
  display: grid;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.feature__copy {
  display: grid;
  justify-items: start;
  gap: 1rem;
}

.feature__media {
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-soft);
}

.feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card {
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-card);
  background: var(--color-soft);
}

.card p {
  color: var(--color-muted);
}

.eyebrow {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-size: 1.1rem;
}

@media (min-width: 720px) {
  .site-header__inner {
    min-height: 2.75rem;
  }

  .feature {
    grid-template-columns: 1fr 1fr;
  }

  .feature--reverse .feature__copy {
    order: 2;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 1000px) {
  .card-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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