/*
  AirHosts landing page styles.
  Single file. No frameworks. System fonts only.
  Side-project posture: clean, readable, no slick design. Slick design erodes
  the credibility the rest of the page works hard to earn.
*/

:root {
  --color-text: #111;
  --color-text-muted: #555;
  --color-text-fine: #777;
  --color-bg: #fff;
  --color-bg-soft: #f6f5f1;
  --color-bg-disclosure: #f1efe7;
  --color-border: #e4e1d8;
  --color-accent: #1a4d3a;        /* muted forest green */
  --color-accent-hover: #133b2c;
  --color-stripe-green: #2c7a55;
  --color-stripe-yellow: #c89c2a;
  --color-stripe-red: #b04331;

  --max-width: 960px;
  --max-width-narrow: 680px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", Times, serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow {
  max-width: var(--max-width-narrow);
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

h1 { font-size: 2.4rem; font-weight: 700; }
h2 { font-size: 1.8rem; font-weight: 700; margin-top: 0; }
h3 { font-size: 1.15rem; font-weight: 700; }

p { margin: 0 0 1em; }

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

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ---- Hero ---- */
.hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  max-width: 18ch;
}

.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: 28px;
}

.cta-row { margin: 0 0 12px; }

.cta {
  display: inline-block;
  padding: 14px 28px;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 4px;
  border: 1px solid var(--color-accent);
}

.cta:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.cta-fine {
  font-size: 0.9rem;
  color: var(--color-text-fine);
  margin: 0;
}

/* ---- Pattern section ---- */
.pattern {
  padding: 64px 0;
  background: var(--color-bg-soft);
}

.pattern p {
  font-size: 1.05rem;
}

.video {
  margin: 40px 0 0;
}

.video video {
  width: 100%;
  height: auto;
  display: block;
  background: #000;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.video figcaption {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--color-text-fine);
  text-align: center;
}

/* ---- Mockups section ---- */
.mockups {
  padding: 64px 0;
}

.section-intro {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.mockup {
  margin: 0;
}

.mockup-image {
  background: #fafaf7;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0;
  margin-bottom: 12px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.stripe {
  padding: 12px 16px;
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.stripe-green { background: var(--color-stripe-green); }
.stripe-yellow { background: var(--color-stripe-yellow); }
.stripe-red { background: var(--color-stripe-red); }

.mockup-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-fine);
  font-style: italic;
}

.mockup figcaption {
  font-size: 0.95rem;
  line-height: 1.5;
}

.microcopy {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 70ch;
}

/* ---- Persona section ---- */
.persona {
  padding: 64px 0;
  background: var(--color-bg-soft);
}

.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.persona-col h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.persona-col ul {
  padding-left: 1.2em;
  margin: 0;
}

.persona-col li {
  margin-bottom: 12px;
  line-height: 1.55;
}

/* ---- Disclosure section ---- */
.disclosure {
  padding: 64px 0;
  background: var(--color-bg-disclosure);
}

.disclosure-list {
  padding-left: 1.2em;
  margin: 0;
}

.disclosure-list li {
  margin-bottom: 18px;
  line-height: 1.6;
}

.disclosure-list li strong {
  color: var(--color-text);
}

/* ---- Signup section ---- */
.signup {
  padding: 64px 0;
}

.signup-form {
  display: flex;
  gap: 12px;
  margin: 32px 0 16px;
  flex-wrap: wrap;
}

.signup-form input[type="email"] {
  flex: 1 1 280px;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: #fff;
  color: var(--color-text);
}

.signup-form input[type="email"]:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -1px;
  border-color: var(--color-accent);
}

.signup-form button {
  padding: 14px 28px;
  background: var(--color-accent);
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  cursor: pointer;
}

.signup-form button:hover {
  background: var(--color-accent-hover);
}

.form-fine {
  font-size: 0.9rem;
  color: var(--color-text-fine);
  margin: 0;
}

/* ---- About section ---- */
.about {
  padding: 48px 0 64px;
  background: var(--color-bg-soft);
}

.about p {
  font-size: 1.05rem;
}

/* ---- Footer ---- */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  background: #fff;
}

.footer-links {
  margin: 0 0 12px;
  font-size: 0.95rem;
}

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

.footer-links .sep {
  color: var(--color-text-fine);
  margin: 0 8px;
}

.footer-note {
  font-size: 0.85rem;
  color: var(--color-text-fine);
  margin: 0 0 4px;
}

/* ---- Responsive ---- */
@media (max-width: 720px) {
  body { font-size: 16px; }

  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }

  .hero { padding: 40px 0 32px; }
  .pattern, .mockups, .persona, .disclosure, .signup, .about { padding: 40px 0; }

  .mockup-grid { grid-template-columns: 1fr; }
  .persona-grid { grid-template-columns: 1fr; gap: 24px; }

  .signup-form { flex-direction: column; }
  .signup-form input[type="email"] { flex: 1 1 auto; }
  .signup-form button { width: 100%; }
}