/*
 * Attestly Landingpage — statisch, ohne Build-Schritt.
 * Design-Tokens 1:1 aus der App (src/app/globals.css), damit Landingpage
 * und In-App visuell konsistent sind.
 */

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --border: oklch(0.922 0 0);
  --radius: 0.625rem;

  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container: 64rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: oklch(0.145 0 0);
    --foreground: oklch(0.985 0 0);
    --primary: oklch(0.922 0 0);
    --primary-foreground: oklch(0.205 0 0);
    --muted: oklch(0.269 0 0);
    --muted-foreground: oklch(0.708 0 0);
    --border: oklch(1 0 0 / 10%);
  }
}

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

html {
  font-family: var(--font-sans);
  -webkit-text-size-adjust: 100%;
  line-height: 1.5;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --- Header --- */
.site-header {
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: calc(var(--radius) * 0.8);
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
  font-size: 0.95rem;
}

.brand-name {
  font-size: 1.05rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding-inline: 1rem;
  border-radius: calc(var(--radius) * 0.8);
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-lg {
  height: 2.75rem;
  padding-inline: 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius);
}

/* --- Hero --- */
.hero {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-block: 4rem 3rem;
}

.hero-title {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 0;
  max-width: 34rem;
  font-size: 1.125rem;
  color: var(--muted-foreground);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* --- Features --- */
.features {
  display: grid;
  gap: 1.5rem;
  padding-bottom: 4rem;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.feature-icon {
  display: inline-flex;
  color: var(--foreground);
}

.feature-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.feature-title {
  margin: 0.75rem 0 0;
  font-size: 1rem;
  font-weight: 500;
}

.feature-text {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a:hover {
  color: var(--foreground);
}