/* =====================================================================
   Stokd marketing site - shared styles
   Design direction: clean and editorial. Purple #3b3458 as dominant brand
   colour, green #70ea45 as a sharp restrained accent. Distinctive
   typography: Fraunces (display) paired with Inter Tight (UI/body).
   ===================================================================== */

/* --- Tokens ---------------------------------------------------------- */
:root {
  --c-ink:        #1a1830;
  --c-ink-soft:   #4a4665;
  --c-ink-muted:  #7a7693;
  --c-line:       #e6e3ee;
  --c-line-soft:  #f0eef5;
  --c-bg:         #fbfaf7;
  --c-bg-card:    #ffffff;
  --c-brand:      #3b3458;
  --c-brand-deep: #2a2540;
  --c-accent:     #70ea45;
  --c-accent-ink: #1f4a0a;

  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body:    "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max-w:        1180px;
  --pad-x:        1.5rem;
  --radius:       14px;
  --radius-sm:    8px;

  --shadow-soft:  0 1px 2px rgba(26, 24, 48, 0.04), 0 8px 32px rgba(26, 24, 48, 0.06);
  --shadow-card:  0 1px 2px rgba(26, 24, 48, 0.05), 0 12px 40px rgba(26, 24, 48, 0.08);
}

/* --- Reset ----------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Layout primitives ---------------------------------------------- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}
.section { padding: 6rem 0; }
.section-tight { padding: 4rem 0; }
@media (max-width: 720px) {
  .section { padding: 4rem 0; }
  .section-tight { padding: 2.5rem 0; }
}

/* --- Typography ------------------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--c-ink);
  margin: 0 0 1rem;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.5rem);
  font-weight: 350;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}
h3 {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
h4 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
p { margin: 0 0 1rem; color: var(--c-ink-soft); }
.lede {
  font-size: clamp(1.15rem, 1.6vw, 1.35rem);
  line-height: 1.55;
  color: var(--c-ink-soft);
  max-width: 38em;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-brand);
  margin-bottom: 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--c-line);
  border-radius: 100px;
  background: var(--c-bg-card);
}

/* --- Header --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--c-line-soft);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--c-ink);
}
.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--c-brand);
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 20px; height: 20px; }
.nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav a {
  font-size: 0.93rem;
  color: var(--c-ink-soft);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav a:hover { color: var(--c-ink); background: var(--c-line-soft); }
.nav a.active { color: var(--c-ink); }
.nav .btn-primary { margin-left: 0.5rem; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-line);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  color: var(--c-ink);
}
@media (max-width: 820px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    padding: 1rem var(--pad-x) 1.5rem;
  }
  .nav.open a { font-size: 1rem; padding: 0.7rem 0.9rem; }
  .nav.open .btn-primary { margin-left: 0; text-align: center; }
  .menu-toggle { display: inline-flex; align-items: center; }
}

/* --- Buttons -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-brand);
  color: #fff;
}
.btn-primary:hover { background: var(--c-brand-deep); transform: translateY(-1px); }
.btn-secondary {
  background: var(--c-bg-card);
  color: var(--c-ink);
  border-color: var(--c-line);
}
.btn-secondary:hover { border-color: var(--c-ink-muted); transform: translateY(-1px); }
.btn-accent {
  background: var(--c-accent);
  color: var(--c-accent-ink);
  font-weight: 600;
}
.btn-accent:hover { background: #5dd236; transform: translateY(-1px); }
.btn-lg { padding: 0.95rem 1.6rem; font-size: 1rem; }

/* --- Hero section --------------------------------------------------- */
.hero {
  position: relative;
  padding: 5rem 0 5rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 0%, rgba(59, 52, 88, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 90% 30%, rgba(112, 234, 69, 0.05) 0%, transparent 45%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero-headline {
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: -0.045em;
  margin: 1.5rem 0 1.75rem;
  font-weight: 350;
}
.hero-headline .stop {
  color: var(--c-accent);
  font-style: italic;
  font-feature-settings: "ss01";
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--c-ink-muted);
}
.hero-meta-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent);
  display: inline-block;
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* --- App preview / placeholder ------------------------------------- */
.app-preview {
  margin-top: 4rem;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--c-line);
  background: var(--c-bg-card);
}
.app-preview-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: #f4f2ee;
  border-bottom: 1px solid var(--c-line);
}
.app-preview-bar span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #d8d4c8;
}
.app-preview-bar span:nth-child(1) { background: #ff5f57; }
.app-preview-bar span:nth-child(2) { background: #febc2e; }
.app-preview-bar span:nth-child(3) { background: #28c840; }
.app-preview-bar .title {
  margin-left: auto;
  margin-right: auto;
  font-size: 0.78rem;
  color: var(--c-ink-muted);
  letter-spacing: 0.02em;
}
.placeholder-screen {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, #f6f4ef 0%, #efece4 100%);
  color: var(--c-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.placeholder-screen .ph-inner {
  text-align: center;
  padding: 2rem;
}
.placeholder-screen .ph-inner svg {
  margin: 0 auto 1rem;
  opacity: 0.4;
}

/* --- Feature grid --------------------------------------------------- */
.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.feature {
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.feature:hover {
  border-color: var(--c-brand);
  transform: translateY(-2px);
}
.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--c-brand);
  color: var(--c-accent);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
}
.feature-icon svg { width: 20px; height: 20px; }
.feature h4 { margin-bottom: 0.4rem; }
.feature p { font-size: 0.95rem; margin: 0; color: var(--c-ink-soft); }

/* --- Two column section -------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* --- Integration row ----------------------------------------------- */
.integrations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.integration-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--c-ink-soft);
}
.integration-chip::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
}

/* --- Pricing card -------------------------------------------------- */
.pricing-card {
  max-width: 520px;
  margin: 3rem auto 0;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 2.5rem 2.25rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.pricing-card .tag {
  display: inline-block;
  background: var(--c-brand);
  color: var(--c-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.pricing-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.pricing-card .price-line {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--c-ink-soft);
  margin: 1.25rem 0;
  font-style: italic;
}

/* --- Download / system requirements ------------------------------- */
.download-card {
  background: var(--c-brand);
  color: #fff;
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.download-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(112, 234, 69, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.download-card h2, .download-card p {
  color: #fff;
  position: relative;
}
.download-card p { color: rgba(255, 255, 255, 0.75); }
.download-card .btn { position: relative; }
.download-card .version {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.req-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.req-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--c-line-soft);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  font-size: 0.95rem;
}
.req-list li:last-child { border-bottom: none; }
.req-list li strong { color: var(--c-ink); font-weight: 500; }

/* --- FAQ ----------------------------------------------------------- */
details.faq {
  border-bottom: 1px solid var(--c-line);
  padding: 1.25rem 0;
}
details.faq summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--c-ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--c-ink-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p {
  margin: 1rem 0 0;
  color: var(--c-ink-soft);
}

/* --- Help index ---------------------------------------------------- */
.help-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2.5rem;
}
.help-card {
  display: block;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.help-card:hover {
  border-color: var(--c-brand);
  transform: translateY(-2px);
}
.help-card h4 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.help-card h4::after {
  content: "→";
  margin-left: auto;
  color: var(--c-ink-muted);
  font-weight: 400;
  transition: transform 0.15s ease, color 0.15s ease;
}
.help-card:hover h4::after { transform: translateX(3px); color: var(--c-brand); }
.help-card p { margin: 0; font-size: 0.92rem; }

/* --- Help article -------------------------------------------------- */
.article {
  max-width: 720px;
  margin: 0 auto;
}
.article h2 { margin-top: 2.5rem; font-size: 1.6rem; }
.article h3 { margin-top: 2rem; font-size: 1.2rem; font-family: var(--font-body); font-weight: 600; }
.article p, .article li { color: var(--c-ink); font-size: 1.02rem; }
.article ul, .article ol { padding-left: 1.4rem; }
.article ul li, .article ol li { margin-bottom: 0.5rem; }
.article code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--c-line-soft);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.article .stub-banner {
  background: var(--c-line-soft);
  border-left: 3px solid var(--c-brand);
  padding: 1rem 1.25rem;
  border-radius: 6px;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  color: var(--c-ink-soft);
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--c-ink-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--c-ink-muted); }
.breadcrumb a:hover { color: var(--c-brand); }

/* --- Footer -------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--c-line);
  padding: 4rem 0 2.5rem;
  background: var(--c-bg-card);
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
.footer-grid h5 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-ink-muted);
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.6rem; }
.footer-grid a { font-size: 0.95rem; color: var(--c-ink-soft); }
.footer-grid a:hover { color: var(--c-ink); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--c-ink-muted);
}

/* --- Utilities ----------------------------------------------------- */
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-prose { max-width: 38em; }
.text-muted { color: var(--c-ink-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }

/* --- Subtle entrance animation ------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    animation: fadeUp 0.7s ease-out backwards;
  }
  .fade-up:nth-child(2) { animation-delay: 0.08s; }
  .fade-up:nth-child(3) { animation-delay: 0.16s; }
  .fade-up:nth-child(4) { animation-delay: 0.24s; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}