/* ==========================================================================
   Claude Code Notifier — shared styles
   Apple-inspired: SF system stack, #0071e3 accent, 980px rhythm,
   automatic dark mode via prefers-color-scheme.
   ========================================================================== */

:root {
  color-scheme: light dark;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
               "Liberation Mono", monospace;

  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --card: #f5f5f7;
  --card-elev: #ffffff;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --accent: #0071e3;            /* fills (buttons) */
  --accent-hover: #0077ed;
  --accent-fg: #0066cc;         /* accent used as text on --bg (contrast-safe) */
  --border: rgba(0, 0, 0, 0.11);
  --border-strong: rgba(0, 0, 0, 0.22);
  --nav-bg: rgba(255, 255, 255, 0.72);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.05);
  --shadow-float: 0 24px 60px rgba(0, 0, 0, 0.16);
  --code-bg: #f5f5f7;
  --code-text: #1d1d1f;
  --ok: #1d8a3e;
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-alt: #101012;
    --card: #18181b;
    --card-elev: #1d1d20;
    --text: #f5f5f7;
    --text-2: #a1a1a6;
    --accent: #0071e3;
    --accent-hover: #147ce5;
    --accent-fg: #2997ff;
    --border: rgba(255, 255, 255, 0.14);
    --border-strong: rgba(255, 255, 255, 0.28);
    --nav-bg: rgba(10, 10, 12, 0.72);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
    --shadow-float: 0 24px 60px rgba(0, 0, 0, 0.6);
    --code-bg: #131316;
    --code-text: #e8e8ea;
    --ok: #30d158;
  }
}

/* --- Base ----------------------------------------------------------------- */

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

html { scroll-behavior: smooth; scroll-padding-top: 64px; }

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

img, svg { max-width: 100%; height: auto; }

a { color: var(--accent-fg); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.12;
  color: var(--text);
}

p { margin: 0 0 1em; }

code, pre { font-family: var(--font-mono); }

code {
  font-size: 0.86em;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.12em 0.38em;
  color: var(--code-text);
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
  color: var(--code-text);
}

pre code { background: none; border: 0; padding: 0; font-size: inherit; }

:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(0, 113, 227, 0.25); }

.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* --- Layout ---------------------------------------------------------------- */

.container {
  max-width: 980px;
  margin-inline: auto;
  padding-inline: 22px;
}

.container-wide {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 22px;
}

.section { padding: clamp(64px, 9vw, 116px) 0; }
.section-alt { background: var(--bg-alt); }

.eyebrow {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-fg);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  max-width: 21em;
}

.section-lede {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-2);
  max-width: 40em;
  margin-bottom: clamp(28px, 5vw, 56px);
}

.center { text-align: center; }
.center .section-title, .center .section-lede { margin-inline: auto; }

/* --- Navigation ------------------------------------------------------------ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.site-nav .nav-inner {
  max-width: 1024px;
  margin-inline: auto;
  padding-inline: 22px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}
.nav-logo:hover { text-decoration: none; }
.nav-logo svg { color: var(--accent-fg); flex: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-2);
  transition: color 0.18s ease;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--text); font-weight: 600; }

.nav-cta { flex: none; }
.nav-docs-mobile { display: none; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-docs-mobile {
    display: inline-block;
    margin-left: auto;
    font-size: 14px;
    color: var(--text-2);
  }
  .nav-docs-mobile:hover { color: var(--text); text-decoration: none; }
}

@media (max-width: 480px) {
  .site-nav .nav-inner { padding-inline: 16px; gap: 12px; }
  .nav-logo { font-size: 13.5px; gap: 7px; }
  .nav-logo svg { width: 20px; height: 20px; }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  padding: 13px 26px;
  border: 0;
  border-radius: 980px;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-ghost {
  background: transparent;
  color: var(--accent-fg);
  box-shadow: inset 0 0 0 1px currentColor;
}
.btn-ghost:hover { background: rgba(0, 113, 227, 0.08); }

.btn-sm { font-size: 13px; padding: 8px 16px; }

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 18px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-card);
}

.feature-card svg {
  display: block;
  width: 30px;
  height: 30px;
  color: var(--accent-fg);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-2);
  margin: 0;
}

/* --- Steps -------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 48px);
  counter-reset: step;
}

.step { counter-increment: step; }

.step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 18px;
}
.step .step-num::before { content: counter(step); }

.step h3 { font-size: 21px; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 15.5px; margin: 0; }
.step p code { font-size: 0.82em; }

/* --- Architecture diagram wrap -------------------------------------------------- */

.diagram-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  margin-block: clamp(24px, 4vw, 44px);
}

.diagram {
  min-width: 760px;
  display: block;
  margin-inline: auto;
}

.diagram text { font-family: var(--font-sans); }
.diagram .d-box { fill: var(--card-elev); stroke: var(--border-strong); }
.diagram .d-name { fill: var(--text); font-size: 14px; font-weight: 600; }
.diagram .d-sub { fill: var(--text-2); font-size: 11px; }
.diagram .d-lbl { fill: var(--text-2); font-size: 11px; }
.diagram .d-line { stroke: var(--border-strong); stroke-width: 1.5; fill: none; }
.diagram .d-key { stroke: var(--accent-fg); stroke-width: 1.5; fill: none; stroke-dasharray: 5 5; }
.diagram .d-keylbl { fill: var(--accent-fg); font-size: 11.5px; font-weight: 600; }
.diagram .d-lock { fill: var(--text-2); }
.diagram .d-arrow { fill: var(--border-strong); }

/* --- Pricing ---------------------------------------------------------------------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.price-card {
  background: var(--card-elev);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 38px 34px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.price-card h3 { font-size: 23px; margin-bottom: 4px; }

.price-card .price {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 10px 0 2px;
}
.price-card .price small {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-2);
  letter-spacing: 0;
}
.price-card .price-note { color: var(--text-2); font-size: 13.5px; margin-bottom: 20px; }

.price-card ul {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  font-size: 15px;
  color: var(--text-2);
  flex: 1;
}
.price-card ul li {
  padding: 7px 0 7px 28px;
  position: relative;
}
.price-card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 13px;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--ok);
  border-bottom: 2px solid var(--ok);
  transform: rotate(-45deg);
}

.price-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-fg);
  background: rgba(0, 113, 227, 0.1);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}

/* --- FAQ ------------------------------------------------------------------------------ */

.faq { max-width: 760px; margin-inline: auto; }

.faq details {
  border-bottom: 1px solid var(--border);
}
.faq details:first-of-type { border-top: 1px solid var(--border); }

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 21px 4px;
  font-size: 17.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }

.faq summary svg {
  flex: none;
  width: 15px;
  height: 15px;
  color: var(--accent-fg);
  transition: transform 0.25s ease;
}
.faq details[open] summary svg { transform: rotate(45deg); }

.faq .faq-a {
  padding: 0 4px 24px;
  color: var(--text-2);
  font-size: 15.5px;
  max-width: 46em;
}
.faq .faq-a p:last-child { margin-bottom: 0; }

/* --- CTA band ---------------------------------------------------------------------------- */

.cta-band { text-align: center; }
.cta-band .btn-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 56px;
  font-size: 13px;
  color: var(--text-2);
  background: var(--bg-alt);
}

.site-footer .footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  align-items: center;
  margin-bottom: 22px;
}

.site-footer .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text);
}
.site-footer .footer-brand svg { color: var(--accent-fg); }

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}
.site-footer nav a { color: var(--text-2); }
.site-footer nav a:hover { color: var(--text); }

.site-footer .legal {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  max-width: 62em;
  line-height: 1.65;
}
.site-footer .legal p { margin-bottom: 6px; }

/* --- Docs layout ----------------------------------------------------------------------------- */

.docs-shell {
  max-width: 1140px;
  margin-inline: auto;
  padding: clamp(28px, 4vw, 56px) 22px 90px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.docs-toc {
  position: sticky;
  top: 76px;
  font-size: 13.5px;
}

.docs-toc h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin: 22px 0 8px;
}
.docs-toc h2:first-child { margin-top: 0; }

.docs-toc ul { list-style: none; margin: 0; padding: 0; }
.docs-toc li { margin: 1px 0; }
.docs-toc a {
  display: block;
  color: var(--text-2);
  padding: 5px 10px;
  border-radius: 8px;
  line-height: 1.35;
}
.docs-toc a:hover {
  color: var(--text);
  background: var(--bg-alt);
  text-decoration: none;
}

.docs-main { min-width: 0; }

.docs-main h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  margin-bottom: 10px;
}

.docs-main .docs-lede {
  font-size: 18px;
  color: var(--text-2);
  max-width: 38em;
  margin-bottom: 40px;
}

.docs-main section { margin-bottom: clamp(44px, 6vw, 72px); }

.docs-main h2 {
  font-size: 26px;
  padding-top: 12px;
  margin-bottom: 14px;
}

.docs-main h3 { font-size: 19px; margin: 30px 0 10px; }

.docs-main p, .docs-main li { color: var(--text-2); font-size: 15.5px; }
.docs-main li { margin-bottom: 6px; }
.docs-main strong { color: var(--text); }

.docs-main table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 18px 0 24px;
}
.docs-main th, .docs-main td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.docs-main th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-2);
}
.docs-main td { color: var(--text-2); }
.docs-main td code { white-space: nowrap; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 520px; }

.codeblock { position: relative; margin: 16px 0 24px; }
.codeblock pre { margin: 0; }

.copy-btn {
  position: absolute;
  top: 9px;
  right: 9px;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--card-elev);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 10px;
  cursor: pointer;
  opacity: 0.85;
  transition: color 0.15s ease, opacity 0.15s ease;
}
.copy-btn:hover { color: var(--text); opacity: 1; }

.callout {
  display: flex;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-fg);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 14.5px;
  color: var(--text-2);
  margin: 18px 0 24px;
}
.callout p { margin: 0; }
.callout strong { color: var(--text); }

@media (max-width: 860px) {
  .docs-shell { grid-template-columns: 1fr; }
  .docs-toc {
    position: static;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    background: var(--card);
  }
}

/* --- Prose page (privacy) ---------------------------------------------------------------------- */

.prose {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(36px, 6vw, 72px) 22px 90px;
}
.prose h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); margin-bottom: 8px; }
.prose .prose-meta { color: var(--text-2); font-size: 14px; margin-bottom: 40px; }
.prose h2 { font-size: 24px; margin: 44px 0 12px; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose p, .prose li { color: var(--text-2); font-size: 15.5px; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 18px 0 24px;
}
.prose th, .prose td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-2);
}
.prose th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Motion ---------------------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}