/* directorlink.io: one page, no scripts, no external requests. The app's graphite palette; Sora
   and IBM Plex are used when installed, otherwise the system fonts. */

:root {
  --bg: #f5f5f4; --card: #ffffff; --ink: #18181b; --muted: #52525b; --line: #e4e4e7;
  --primary: #2563eb; --primaryText: #ffffff; --accent: #1d4ed8;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 4px 16px rgb(0 0 0 / 0.04);
  --radius: 16px; --radius-sm: 12px; --radius-lg: 18px;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-head: "Sora", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1012; --card: #1b1d21; --ink: #f4f4f5; --muted: #a1a1aa; --line: #2a2d33;
    --primary: #60a5fa; --primaryText: #0b1220; --accent: #93c5fd;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3);
    color-scheme: dark;
  }
}

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

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

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

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

main:focus {
  outline: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 10;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--primaryText);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 12px;
}

/* ---- Header -------------------------------------------------------------------------------- */

.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding: 20px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  display: block;
  border-radius: 9px;
  box-shadow: 0 0 0 1px var(--line);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
}

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

/* ---- Content ------------------------------------------------------------------------------- */

main {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding: 0 24px 48px;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-block: 56px 64px;
}

.hero h1 {
  max-width: 17ch;
  font-size: clamp(36px, 6.4vw, 68px);
  font-weight: 700;
}

.hero h1 span {
  color: var(--muted);
}

.hero h1 span:last-child {
  color: var(--accent);
}

.intro {
  max-width: 62ch;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-block-start: 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding-inline: 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
}

.button-primary {
  background: var(--primary);
  color: var(--primaryText);
}

.button-secondary {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
}

@media (hover: hover) {
  .button-primary:hover {
    background: color-mix(in srgb, var(--primary) 88%, var(--ink));
  }
  .button-secondary:hover {
    background: color-mix(in srgb, var(--primary) 8%, var(--card));
  }
}

.how h2 {
  margin-block-end: 20px;
  font-size: 26px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step,
.feature-list li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.step-number {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-block-end: 4px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 700;
}

.step h3,
.feature-list h3 {
  font-size: 18px;
}

.step p,
.feature-list p {
  color: var(--muted);
  font-size: 16px;
}

.features {
  margin-block-start: 40px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  background: transparent;
  box-shadow: none;
}

.footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 800px) {
  .steps,
  .feature-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    padding-block: 32px 44px;
  }
}

@media (max-width: 480px) {
  .header,
  main {
    padding-inline: 16px;
  }
  .actions .button {
    width: 100%;
  }
}