/* ReplyMark — shared storefront base — LIQUID GLASS system.
   Per-vertical tints override --tint-* variables in inline <style> on each page. */
:root {
  /* Base canvas */
  --paper: #f4f3ee;
  --ink: #1a1a1f;
  --slate: rgba(26, 26, 31, 0.62);
  --slate-soft: rgba(26, 26, 31, 0.45);
  --line: rgba(26, 26, 31, 0.08);
  --haze: rgba(255, 255, 255, 0.32);

  /* Default tints — amber + lavender + cyan (parent landing default) */
  --tint-orb-1: #fcd34d;
  --tint-orb-2: #f0abfc;
  --tint-orb-3: #67e8f9;
  --tint-grad-1: #fef3c7;
  --tint-grad-2: #ddd6fe;
  --tint-grad-3: #bae6fd;
  --tint-shimmer-a: #6366f1;
  --tint-shimmer-b: #ec4899;
  --tint-shimmer-c: #06b6d4;
  --tint-tick: #16a34a;

  --accent: #1a1a1f;
  --accent-2: rgba(255, 255, 255, 0.7);

  --display: 'Fraunces', ui-serif, Georgia, serif;
  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;

  --container: 1100px;
  --glass-bg: rgba(255, 255, 255, 0.42);
  --glass-bg-strong: rgba(255, 255, 255, 0.58);
  --glass-bg-soft: rgba(255, 255, 255, 0.28);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-blur: blur(28px) saturate(150%);
  --glass-blur-soft: blur(20px) saturate(140%);
  --glass-shadow: 0 20px 60px rgba(20, 20, 40, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  --glass-shadow-soft: 0 8px 32px rgba(20, 20, 40, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* Liquid Glass canvas — stacked radial washes painted directly on body bg.
   No fixed pseudo-elements, no blur filter, no animation — eliminates Chromium
   repaint stalls past the fold while keeping the soft Liquid Glass feel via
   transparent-edge radials. */
body {
  background:
    radial-gradient(circle 320px at 8% 12%, color-mix(in srgb, var(--tint-orb-1) 55%, transparent), transparent 70%),
    radial-gradient(circle 280px at 92% 28%, color-mix(in srgb, var(--tint-orb-2) 55%, transparent), transparent 70%),
    radial-gradient(circle 360px at 68% 88%, color-mix(in srgb, var(--tint-orb-3) 55%, transparent), transparent 70%),
    radial-gradient(ellipse 80% 60% at 0% 0%, var(--tint-grad-1) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, var(--tint-grad-2) 0%, transparent 55%),
    radial-gradient(ellipse 90% 70% at 50% 100%, var(--tint-grad-3) 0%, transparent 55%),
    var(--paper);
  background-attachment: fixed;
}

::selection { background: var(--ink); color: var(--paper); }

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

img { max-width: 100%; height: auto; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) { .container { padding-inline: 2rem; } }

.display { font-family: var(--display); font-feature-settings: 'ss01'; letter-spacing: -0.02em; font-weight: 500; }
.kicker {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--slate);
  font-weight: 500;
}
.muted { color: var(--slate); }

/* Header — floating glass bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}
.site-header .row {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 1rem;
}
.brand {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand .parent {
  font-size: 12px;
  color: var(--slate);
  margin-left: .5rem;
  font-family: var(--sans);
  font-weight: 400;
  letter-spacing: 0.04em;
}
.site-nav { display: flex; gap: .35rem; align-items: center; }
.site-nav a {
  padding: .55rem .9rem;
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  transition: background .2s ease;
}
.site-nav a:hover { background: var(--glass-bg-strong); }
.site-nav .cta {
  background: var(--ink);
  color: var(--paper);
  padding-inline: 1.1rem;
  box-shadow: 0 8px 24px rgba(26, 26, 31, 0.18);
}
.site-nav .cta:hover { background: #000; transform: translateY(-1px); }

/* Hero */
.hero { padding: 4.5rem 0 3rem; position: relative; }
@media (min-width: 768px) { .hero { padding: 7rem 0 4.5rem; } }
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.5rem, 6.5vw, 4.75rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  text-wrap: balance;
  max-width: 22ch;
}
.hero h1 em, .hero .emphasis {
  font-style: italic;
  background: linear-gradient(120deg, var(--tint-shimmer-a), var(--tint-shimmer-b), var(--tint-shimmer-c));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: lg-shimmer 5s ease-in-out infinite;
}
@keyframes lg-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.hero .sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  color: var(--slate);
  max-width: 38rem;
  line-height: 1.55;
  margin-bottom: 2.25rem;
}
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.6rem;
  border-radius: 999px;
  font-size: 14.5px; font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 10px 32px rgba(26, 26, 31, 0.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: #000;
  box-shadow: 0 16px 50px rgba(26, 26, 31, 0.28);
}
.btn-outline {
  background: var(--glass-bg-strong);
  color: var(--ink);
  border-color: var(--glass-border);
  backdrop-filter: var(--glass-blur-soft);
  -webkit-backdrop-filter: var(--glass-blur-soft);
  box-shadow: var(--glass-shadow-soft);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.78);
  transform: translateY(-2px);
}

/* Sections */
.section { padding: 3.5rem 0; position: relative; }
@media (min-width: 768px) { .section { padding: 5rem 0; } }
.section h2 {
  font-family: var(--display);
  font-size: clamp(1.65rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  font-weight: 500;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}
.section p { max-width: 60ch; }
.section p + p { margin-top: 1rem; }

.cols-3 {
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .cols-3 { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 22px;
  padding: 1.6rem 1.5rem;
  backdrop-filter: var(--glass-blur-soft);
  -webkit-backdrop-filter: var(--glass-blur-soft);
  box-shadow: var(--glass-shadow-soft);
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.card:hover {
  transform: translateY(-3px);
  background: var(--glass-bg-strong);
  box-shadow: 0 16px 50px rgba(20, 20, 40, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.95);
}
.card .step {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: .65rem;
  color: var(--slate);
}
.card h3 {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: .5rem;
}

/* Pricing */
.pricing-table {
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1.75rem;
}
@media (min-width: 768px) { .pricing-table { grid-template-columns: repeat(3, 1fr); } }
.pricing-tier {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 1.75rem 1.5rem;
  backdrop-filter: var(--glass-blur-soft);
  -webkit-backdrop-filter: var(--glass-blur-soft);
  box-shadow: var(--glass-shadow-soft);
  transition: transform .3s ease, box-shadow .3s ease;
}
.pricing-tier:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 50px rgba(20, 20, 40, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.95);
}
.pricing-tier.feature {
  background: rgba(26, 26, 31, 0.92);
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    0 28px 80px rgba(20, 20, 40, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.pricing-tier h4 {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: .25rem;
  letter-spacing: -0.01em;
}
.pricing-tier .price {
  font-family: var(--display);
  font-size: 2.5rem;
  line-height: 1;
  margin: 1.25rem 0;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.pricing-tier .price small {
  font-size: 14px;
  color: var(--slate);
  font-family: var(--sans);
}
.pricing-tier.feature .price small { color: rgba(244, 241, 235, 0.7); }
.pricing-tier ul { list-style: none; margin: 1.25rem 0; }
.pricing-tier li {
  padding: .4rem 0;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.pricing-tier li:last-child { border-bottom: 0; }
.pricing-tier.feature li {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.pricing-tier li::before {
  content: '✓ ';
  color: var(--tint-tick);
  font-weight: 700;
  margin-right: 4px;
}
.pricing-tier.feature li::before {
  color: var(--tint-orb-3);
}

/* FAQ */
.faq details {
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur-soft);
  -webkit-backdrop-filter: var(--glass-blur-soft);
  margin-bottom: .65rem;
  overflow: hidden;
  transition: background .2s ease;
}
.faq details[open] { background: var(--glass-bg); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--slate); font-size: 22px; line-height: 1; transition: transform .2s ease; }
.faq details[open] summary::after { content: '−'; }
.faq summary:hover { background: var(--glass-bg-strong); }
.faq details > div {
  padding: 0 1.4rem 1.2rem;
  color: var(--slate);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--glass-border);
  background: var(--glass-bg-soft);
  backdrop-filter: var(--glass-blur-soft);
  -webkit-backdrop-filter: var(--glass-blur-soft);
  padding: 3.5rem 0 1.75rem;
  position: relative;
  z-index: 1;
}
.site-footer .grid {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .site-footer .grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.site-footer h4 {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: .9rem;
  color: var(--slate);
  font-weight: 600;
}
.site-footer ul { list-style: none; }
.site-footer li { padding: .3rem 0; }
.site-footer a {
  color: var(--slate);
  font-size: 14px;
  transition: color .15s ease;
}
.site-footer a:hover { color: var(--ink); }
.site-footer .legal {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: 12px; color: var(--slate);
}

/* Final CTA strip — frosted dark glass */
.cta-strip {
  background: rgba(26, 26, 31, 0.92);
  color: var(--paper);
  padding: 4.5rem 0;
  position: relative;
  margin-top: 2rem;
  border-radius: 32px 32px 0 0;
  box-shadow: 0 -20px 60px rgba(20, 20, 40, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.cta-strip h2 { color: var(--paper); }
.cta-strip .btn-primary {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 10px 32px rgba(255, 255, 255, 0.12);
}
.cta-strip .btn-primary:hover { background: #fff; }

/* Cookie banner — frosted glass */
.cookie-banner {
  position: fixed;
  bottom: 1rem; left: 1rem; right: 1rem;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink);
  padding: 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  max-width: 28rem;
  z-index: 100;
  box-shadow: 0 20px 60px rgba(20, 20, 40, 0.16);
}
.cookie-banner.hidden { display: none; }
@media (min-width: 640px) { .cookie-banner { left: auto; right: 1.25rem; bottom: 1.25rem; } }
.cookie-banner .row { display: flex; gap: .5rem; margin-top: .85rem; }
.cookie-banner button {
  flex: 1;
  padding: .7rem .85rem;
  border-radius: 999px;
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s ease;
}
.cookie-banner .accept { background: var(--ink); color: var(--paper); }
.cookie-banner .accept:hover { background: #000; }
.cookie-banner .essential {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.cookie-banner .essential:hover { background: var(--glass-bg-strong); }
.cookie-banner p {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.55;
}
.cookie-banner h3 {
  font-family: var(--display);
  font-size: 16px;
  margin-bottom: .35rem;
  letter-spacing: -0.01em;
}

/* utilities */
.center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.parent-mark { font-size: 12px; color: var(--slate); }

@media (prefers-reduced-motion: reduce) {
  body::after { animation: none !important; }
  .hero h1 em, .hero .emphasis { animation: none !important; }
  .btn, .card, .pricing-tier { transition: none !important; }
}