/* Kettlebright studio site — one stylesheet, no external resources. */

:root {
  color-scheme: light dark;
  --bg: #f7f4ef;
  --surface: #fffdf9;
  --border: #e3dcd2;
  --text: #2a2521;
  --muted: #6e655c;       /* warm stone */
  --accent: #4a6f99;      /* blueprint blue */
  --link: #3f6590;
  --link-hover: #2c4d73;
  --focus: #4a6f99;
  --badge-bg: #e8eef5;
  --badge-text: #2f5480;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1917;
    --surface: #24211e;
    --border: #3a352f;
    --text: #ece6de;
    --muted: #b5aba0;
    --accent: #7e9fc6;
    --link: #9dbbe0;
    --link-hover: #c3d7ef;
    --focus: #9dbbe0;
    --badge-bg: #2a3544;
    --badge-text: #c3d7ef;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Skip link: hidden until focused */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--surface);
  color: var(--link);
  border: 2px solid var(--focus);
  border-radius: 0.5rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--link-hover);
  text-decoration-thickness: 2px;
}

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

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

.site-header .wrap {
  display: flex;
  align-items: center;
  min-height: 4.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 650;
  font-size: 1.125rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  display: block;
  width: 2rem;
  height: 2rem;
}

/* Main */
main {
  flex: 1;
  padding: 2.75rem 0 3.5rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: var(--text);
  font-weight: 650;
}

h1 {
  font-size: clamp(1.9rem, 1.4rem + 2.4vw, 2.75rem);
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.35rem;
  margin: 2.5rem 0 0.6rem;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}

p,
ul {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.5rem;
}

.tagline {
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.4rem);
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.lead {
  font-size: 1.125rem;
}

.meta {
  color: var(--muted);
}

/* App card on the home page */
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 0.75rem;
  padding: 1.35rem 1.35rem 1.1rem;
}

.badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.15rem 0.65rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.875rem;
  font-weight: 600;
  font-style: normal;
}

.card-links {
  margin: 0;
}

.sep {
  color: var(--muted);
  padding: 0 0.35rem;
}

/* Support FAQ */
.faq h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.4rem;
}

.contact-box {
  margin-top: 2.5rem;
  padding: 1.1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

.contact-box p {
  margin: 0;
}

/* Privacy policy */
.policy h2 {
  font-size: 1.2rem;
  margin-top: 2.25rem;
}

.summary {
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer .wrap {
  padding-top: 1.25rem;
  padding-bottom: 1.5rem;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 48rem) {
  body {
    font-size: 1.125rem;
  }

  main {
    padding: 4rem 0 5rem;
  }

  .app-card {
    padding: 1.75rem 1.75rem 1.4rem;
  }
}