/* ---------------------------------------------------------------------------
   Wholied landing page styles
   Design tokens live in :root. Edit these to rebrand the whole page.
--------------------------------------------------------------------------- */

:root {
  --bg: #0b0d10;
  --bg-alt: #12151a;
  --surface: #171b22;
  --border: #262c36;
  --text: #e7ebf0;
  --text-muted: #9aa4b2;
  --accent: #6c8cff;
  --accent-strong: #8aa2ff;
  --max-width: 1080px;
  --radius: 12px;
  --space: clamp(1rem, 2vw, 1.5rem);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-alt: #f5f7fa;
    --surface: #ffffff;
    --border: #e3e8ef;
    --text: #131720;
    --text-muted: #5b6673;
    --accent: #3b5bdb;
    --accent-strong: #2f4bc4;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container.narrow {
  max-width: 680px;
}

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

a:hover {
  text-decoration: underline;
}

/* --- Accessibility helpers ------------------------------------------------ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* --- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: var(--accent-strong);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
}

/* --- Hero ----------------------------------------------------------------- */

.hero {
  padding-block: clamp(4rem, 12vw, 8rem);
  background:
    radial-gradient(60% 60% at 50% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%);
}

.hero-inner {
  text-align: center;
  max-width: 760px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 auto 2rem;
  max-width: 560px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Sections ------------------------------------------------------------- */

.section {
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
}

/* --- Feature grid --------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
}

/* --- Signup form ---------------------------------------------------------- */

.signup {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.signup input {
  flex: 1 1 240px;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.form-status {
  flex-basis: 100%;
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

.form-status.is-error {
  color: #ff6b6b;
}

.form-status.is-success {
  color: #4cc38a;
}

/* --- Footer --------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}

.footer-inner {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

  .btn:hover {
    transform: none;
  }
}