/* CyrFlip docs — glass-morphism theme, matched to sza.od.ua / serzhyale.github.io */

/* ── DESIGN SYSTEM ───────────────────────────────────────────────── */
:root {
  --bg-color: #080b11;
  --card-bg: rgba(13, 20, 35, 0.45);
  --card-bg-hover: rgba(17, 27, 49, 0.7);
  --border-color: rgba(255, 255, 255, 0.06);
  --border-color-hover: rgba(99, 102, 241, 0.35);

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --text-gradient: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
  --accent-glow: 0 0 25px rgba(99, 102, 241, 0.15);
  --accent-glow-strong: 0 0 30px rgba(99, 102, 241, 0.35);

  --accent: #818cf8;
  --code-bg: rgba(8, 12, 20, 0.7);
  --code-chip: rgba(255, 255, 255, 0.06);

  --font-heading: 'Outfit', 'Plus Jakarta Sans', -apple-system, "Segoe UI", sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "Cascadia Code", "Cascadia Mono", Consolas, ui-monospace, monospace;
}

/* ── BASE ────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

body {
  margin: 0;
  background: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ── DECORATIVE BACKGROUND BLOBS ─────────────────────────────────── */
.bg-blobs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}
.blob-1 {
  top: -120px;
  left: -60px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  animation: drift 18s infinite alternate ease-in-out;
}
.blob-2 {
  top: 30%;
  right: -120px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
  animation: drift 25s infinite alternate-reverse ease-in-out;
}
.blob-3 {
  bottom: -120px;
  left: 12%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
}
@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.1); }
}

/* ── LAYOUT ──────────────────────────────────────────────────────── */
.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  position: relative;
  z-index: 1;
}
/* Homepage uses the full width of wide monitors; the hero band stays centred
   and narrow, while the section cards spread into a grid. */
.wrap.wide { max-width: 1100px; }
.wrap.wide > header,
.wrap.wide > .demo {
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

/* ── HERO / HEADER ───────────────────────────────────────────────── */
header { text-align: center; margin-bottom: 2.5rem; }

.banner {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), var(--accent-glow);
  animation: fadeInDown 0.8s ease-out;
}

h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 1.6rem 0 0.5rem;
  color: #fff;
  background: var(--text-gradient);
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: 0.5rem 0 0;
  max-width: 760px;
}

/* ── LANGUAGE SWITCHER (pill) ────────────────────────────────────── */
.langbar {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  width: fit-content;
  margin: 1.5rem auto 0;
  padding: 0.25rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeInUp 0.8s ease-out 0.1s both;
}
.langbar a {
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  transition: all 0.3s ease;
}
.langbar a:hover { color: var(--text-primary); text-decoration: none; }
.langbar a.active {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

/* ── BUTTONS ─────────────────────────────────────────────────────── */
.cta {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.75rem 0 0;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  padding: 0.7rem 1.4rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}
.btn.primary {
  background: var(--primary-gradient);
  border: none;
  color: #fff;
  box-shadow: var(--accent-glow);
}
.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--accent-glow-strong);
  filter: brightness(1.1);
}
.btn.accent {
  background: var(--secondary-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.15);
}
.btn.accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.35);
  filter: brightness(1.1);
}

/* ── DEMO BAND ───────────────────────────────────────────────────── */
.demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  margin-top: 2rem;
  font-size: 1.2rem;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}
.demo code {
  background: var(--code-chip);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  color: var(--text-primary);
}
.demo .arrow {
  font-weight: 700;
  color: var(--accent);
  background: var(--primary-gradient);
}

/* ── SECTIONS AS GLASS CARDS ─────────────────────────────────────── */
section {
  margin-top: 1.5rem;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.6rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}
section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
section > * { position: relative; z-index: 1; }
section:hover {
  border-color: var(--border-color-hover);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.08);
}

/* Homepage multi-column card grid. min(280px,100%) keeps a single track from
   exceeding very narrow viewports (no horizontal clipping). */
.sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
  align-items: start;
}
.sections > section { margin: 0; }
.sections > section.span-all { grid-column: 1 / -1; }

/* Headline feature: text beside the cursor screenshot on wide screens. */
.feature-img {
  width: 100%;
  max-width: 560px;
  margin: 1.2rem auto 0;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}
@media (min-width: 820px) {
  .feature {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.8rem;
    align-items: center;
  }
  .feature .feature-img { margin: 0; }
}

/* ── HEADINGS ────────────────────────────────────────────────────── */
h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12), transparent);
}
/* second and later headings inside a single card get top spacing */
section > h2 ~ h2 { margin-top: 1.6rem; }

/* ── LISTS ───────────────────────────────────────────────────────── */
ol.steps { padding-left: 1.3rem; margin: 0; }
ol.steps li { margin: 0.5rem 0; }
ol.steps li::marker { color: var(--accent); font-weight: 700; }

ul.features { list-style: none; padding-left: 0; margin: 0; }
ul.features li {
  position: relative;
  padding-left: 1.4rem;
  margin: 0.5rem 0;
}
ul.features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-gradient);
}

/* ── NOTE / CALLOUT ──────────────────────────────────────────────── */
.note {
  background: rgba(99, 102, 241, 0.07);
  border: 1px solid rgba(99, 102, 241, 0.18);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ── CODE ────────────────────────────────────────────────────────── */
code { font-family: var(--font-mono); }
:not(pre) > code {
  background: var(--code-chip);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  font-size: 0.88em;
  color: #c7d2fe;
  overflow-wrap: anywhere;
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.95rem 1.1rem;
  overflow-x: auto;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 0.9rem;
}
kbd {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 0.08rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--text-primary);
}

/* ── TABLE ───────────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.92rem;
}
th, td {
  text-align: left;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-color);
  vertical-align: top;
  overflow-wrap: anywhere;
}
th {
  background: rgba(99, 102, 241, 0.08);
  font-family: var(--font-heading);
  font-weight: 600;
  color: #fff;
}
td:first-child { font-weight: 600; color: var(--text-primary); }

/* ── LINKS ───────────────────────────────────────────────────────── */
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Visible keyboard-focus indicator (WCAG 2.4.7). */
a:focus-visible,
.btn:focus-visible,
.langbar a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ── FOOTER ──────────────────────────────────────────────────────── */
footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}
footer a { color: var(--text-secondary); }
footer a:hover { color: var(--text-primary); }

/* ── GRADIENT TEXT (with safe fallback) ──────────────────────────── */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  h1,
  .demo .arrow {
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}
/* Windows High Contrast / forced-colors: keep headings + arrow visible. */
@media (forced-colors: active) {
  h1,
  .demo .arrow {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: CanvasText;
  }
}

/* ── GLASS FALLBACK (no backdrop-filter support) ─────────────────── */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  section,
  .demo { background: rgba(13, 20, 35, 0.9); }
  .langbar { background: rgba(15, 23, 42, 0.9); }
  .btn { background: rgba(20, 28, 45, 0.85); }
}

/* ── ANIMATIONS ──────────────────────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}