/* ==========================================================================
   tech.grind — marketing site styles
   Tokens lifted from /Users/jancel/tools/ai-composer/docs/techgrind/styleguide.html
   ========================================================================== */

:root {
  --brand-navy:    #2D3895;
  --brand-teal:    #2FA98F;
  --brand-magenta: #EC2A82;

  --font-display: 'Geist', 'Helvetica Neue', system-ui, sans-serif;
  --font-body:    'Sora', ui-sans-serif, system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --fs-display:   clamp(2.75rem, 5vw + 1rem, 4rem);
  --fs-display-2: clamp(2.25rem, 3.5vw + 1rem, 3rem);
  --fs-h1: 2.25rem;
  --fs-h2: 1.75rem;
  --fs-h3: 1.375rem;
  --fs-h4: 1.125rem;
  --fs-body-lg: 1.0625rem;
  --fs-body:    0.9375rem;
  --fs-body-sm: 0.8125rem;
  --fs-caption: 0.75rem;

  --lh-tight: 1.1;
  --lh-snug:  1.25;
  --lh-normal:1.5;
  --lh-relaxed:1.65;

  --tracking-tight:  -0.02em;
  --tracking-normal: 0;
  --tracking-wide:    0.04em;
  --tracking-caps:    0.08em;

  --space-1:  0.125rem;
  --space-2:  0.25rem;
  --space-3:  0.5rem;
  --space-4:  0.75rem;
  --space-5:  1rem;
  --space-6:  1.25rem;
  --space-7:  1.5rem;
  --space-8:  2rem;
  --space-9:  2.5rem;
  --space-10: 3rem;
  --space-12: 4rem;
  --space-14: 5rem;
  --space-16: 6rem;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  24px;
  --radius-full: 9999px;

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --dur-fast: 160ms;
  --dur-base: 240ms;
  --dur-slow: 400ms;

  --bp-md: 720px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

[data-theme="light"], :root {
  --bg:             #F7F8FB;
  --surface:        #FFFFFF;
  --surface-sunken: #EFF1F6;
  --surface-raised: #FFFFFF;

  --text-1:        #0E1130;
  --text-2:        #4A4F70;
  --text-3:        #8388A8;
  --text-on-brand: #FFFFFF;

  --border:        #E4E5EE;
  --border-strong: #CDCFDE;
  --border-subtle: #EEF0F5;

  --primary:       #2D3895;
  --primary-hover: #232D7A;
  --primary-press: #1B2563;
  --primary-soft:  #EAEDFA;
  --primary-text:  #2D3895;

  --accent:       #2FA98F;
  --accent-hover: #258B76;
  --accent-soft:  #DEF4EE;
  --accent-text:  #1D6F5D;

  --energy:       #EC2A82;
  --energy-soft:  #FCE2EE;
  --energy-text:  #A20E55;

  --success:      #0E8A5F;
  --success-soft: #DDF4E9;
  --success-text: #0A6644;
  --warning:      #B26B0E;
  --warning-soft: #FBEDD2;
  --warning-text: #8A510B;
  --danger:       #C42E3D;
  --danger-soft:  #FBE2E5;

  --shadow-sm:  0 1px 2px rgba(14,17,48,0.06), 0 1px 1px rgba(14,17,48,0.04);
  --shadow-md:  0 4px 12px -2px rgba(14,17,48,0.08), 0 2px 4px -1px rgba(14,17,48,0.04);
  --shadow-lg:  0 16px 32px -8px rgba(14,17,48,0.14), 0 4px 8px -2px rgba(14,17,48,0.06);
  --shadow-xl:  0 28px 56px -16px rgba(14,17,48,0.18), 0 8px 16px -4px rgba(14,17,48,0.06);
  --ring-focus: 0 0 0 3px rgba(45,56,149,0.22);

  --logo-stroke: #2D3895;
  --logo-arc:    #2FA98F;
  --logo-dot:    #EC2A82;
}

[data-theme="dark"] {
  --bg:             #0A0C1B;
  --surface:        #11142A;
  --surface-sunken: #07091A;
  --surface-raised: #181C36;

  --text-1:        #F0F2FA;
  --text-2:        #B0B5D0;
  --text-3:        #717693;
  --text-on-brand: #0E1130;

  --border:        #252845;
  --border-strong: #3A3E60;
  --border-subtle: #1B1E38;

  --primary:       #8794F0;
  --primary-hover: #A2ADF5;
  --primary-soft:  #1B1F4A;
  --primary-text:  #B7C0F8;

  --accent:       #4ECCB6;
  --accent-hover: #6EDAC6;
  --accent-soft:  #103832;
  --accent-text:  #8DE5D5;

  --energy:       #FF5BA0;
  --energy-soft:  #3A1130;
  --energy-text:  #FF99C8;

  --success:      #4FC78F;
  --success-soft: #103A28;
  --success-text: #8AE0B6;
  --warning:      #E2A24E;
  --warning-soft: #3D2A0D;
  --warning-text: #F4C886;
  --danger:       #F26678;
  --danger-soft:  #3A111A;

  --shadow-sm:  0 1px 2px rgba(0,0,0,0.5);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.55), 0 1px 3px rgba(0,0,0,0.35);
  --shadow-lg:  0 20px 40px rgba(0,0,0,0.6), 0 4px 12px rgba(0,0,0,0.4);
  --shadow-xl:  0 32px 64px rgba(0,0,0,0.7);
  --ring-focus: 0 0 0 3px rgba(135,148,240,0.32);
}

/* --------- reset / base --------- */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--primary-text); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--ring-focus); border-radius: var(--radius-sm); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-snug);
  margin: 0 0 var(--space-5);
  color: var(--text-1);
  font-weight: 600;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
p  { margin: 0 0 var(--space-5); color: var(--text-2); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
  margin: 0 0 var(--space-5);
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-7);
}
.section { padding: var(--space-14) 0; }
.section-tight { padding: var(--space-12) 0; }

@media (min-width: 720px) {
  .container { padding: 0 var(--space-9); }
}

/* --------- topbar --------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-7);
}
.topbar-nav {
  display: none;
  gap: var(--space-7);
}
.topbar-nav a {
  color: var(--text-2);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-sm);
}
.topbar-nav a:hover { color: var(--text-1); text-decoration: none; }
.topbar-nav a[aria-current="page"] { color: var(--text-1); }
.topbar-actions { display: flex; align-items: center; gap: var(--space-3); }

@media (min-width: 720px) {
  .topbar-nav { display: flex; }
  .hamburger { display: none; }
}

/* --------- brand lockup (logo + wordmark) --------- */

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  line-height: 1;
}
.brand-lockup:hover { text-decoration: none; }

.brand-lockup .logo-mark {
  width: 28px;
  height: 28px;
  display: inline-block;
  flex-shrink: 0;
  background: url("/assets/brand/octopus-light.svg") center/contain no-repeat;
}
[data-theme="dark"] .brand-lockup .logo-mark {
  background-image: url("/assets/brand/octopus-dark.svg");
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}
.wordmark .wm-tech  { color: var(--brand-teal); }
.wordmark .wm-dot   { color: var(--brand-magenta); }
.wordmark .wm-grind { color: var(--primary-text); }

/* --------- hamburger + drawer --------- */

.hamburger {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-1);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.hamburger:hover { background: var(--surface-sunken); }
.hamburger svg { width: 20px; height: 20px; }
.hamburger .icon-x { display: none; }
.hamburger[aria-expanded="true"] .icon-bars { display: none; }
.hamburger[aria-expanded="true"] .icon-x    { display: block; }

.drawer-scrim {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 27, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
  z-index: 999;
}
.drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(85%, 320px);
  background: var(--surface);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  transform: translateX(-100%);
  transition: transform var(--dur-base) var(--ease-out);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: var(--space-7);
  gap: var(--space-5);
}
body.is-menu-open { overflow: hidden; }
body.is-menu-open .drawer-scrim { opacity: 1; pointer-events: auto; }
body.is-menu-open .drawer { transform: translateX(0); }
.drawer a {
  display: block;
  color: var(--text-1);
  font-size: var(--fs-body-lg);
  font-weight: 500;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle);
}
.drawer a:hover { color: var(--primary-text); text-decoration: none; }

/* --------- buttons --------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  height: 44px;
  padding: 0 var(--space-7);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: var(--primary);
  color: var(--text-on-brand);
  font-family: var(--font-body);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-normal);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover { background: var(--primary-hover); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--secondary {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border-strong);
}
.btn--secondary:hover { background: var(--surface-sunken); }
.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border-color: transparent;
  padding: 0 var(--space-4);
}
.btn--ghost:hover { color: var(--text-1); background: var(--surface-sunken); }
.btn--lg { height: 52px; padding: 0 var(--space-8); font-size: var(--fs-body); }
.btn--icon-only { width: 44px; padding: 0; }

@media (min-width: 1024px) {
  .btn { height: 40px; }
  .btn--icon-only { width: 40px; }
  .btn--lg { height: 48px; }
}

/* --------- badges --------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 2px var(--space-4);
  border-radius: var(--radius-full);
  background: var(--surface-sunken);
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  border: 1px solid var(--border-subtle);
}
.badge .dot {
  width: 6px; height: 6px;
  border-radius: var(--radius-full);
  background: var(--text-3);
  flex-shrink: 0;
}
.badge--success { background: var(--success-soft); color: var(--success-text); border-color: transparent; }
.badge--success .dot { background: var(--success); }
.badge--warning { background: var(--warning-soft); color: var(--warning-text); border-color: transparent; }
.badge--warning .dot { background: var(--warning); }
.badge--info    { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }
.badge--info .dot { background: var(--accent); }

/* --------- cards --------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.card-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
  margin-bottom: var(--space-4);
}
.card-title { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.card-body  { color: var(--text-2); margin: 0; }

a.card { display: block; color: inherit; }
a.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); text-decoration: none; }

/* --------- hero --------- */

.hero {
  padding: var(--space-14) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60ch 50ch at 10% -10%, var(--primary-soft) 0%, transparent 60%),
    radial-gradient(60ch 50ch at 110% 10%, var(--accent-soft) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  max-width: 18ch;
  margin-bottom: var(--space-7);
}
.hero h1 .accent { color: var(--accent-text); }
.hero p.lede {
  font-size: var(--fs-body-lg);
  color: var(--text-2);
  max-width: 56ch;
  margin-bottom: var(--space-9);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 4px var(--space-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-2);
  margin-bottom: var(--space-7);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: var(--radius-full);
}

/* --------- feature grid --------- */

.feature-grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: var(--primary-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-7);
}
.feature-icon.is-accent { background: var(--accent-soft); color: var(--accent-text); }
.feature-icon.is-energy { background: var(--energy-soft); color: var(--energy-text); }
.feature-icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: var(--fs-h4); margin-bottom: var(--space-3); }
.feature p  { font-size: var(--fs-body); color: var(--text-2); margin: 0; }

/* --------- products grid --------- */

.products-grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
  gap: var(--space-5);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.product-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.product-card h3 {
  font-size: var(--fs-h3);
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.product-card .product-tagline {
  font-size: var(--fs-body);
  color: var(--text-2);
  margin: 0;
}
.product-card .product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
}
.product-card .product-meta span { display: inline-flex; align-items: center; gap: var(--space-3); }
.product-card .product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* --------- pricing --------- */

.pricing-grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; } }

.tier {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
  gap: var(--space-5);
}
.tier--featured {
  border: 2px solid var(--primary);
  position: relative;
}
.tier--featured::after {
  content: "Best value";
  position: absolute;
  top: -12px;
  right: var(--space-7);
  background: var(--primary);
  color: var(--text-on-brand);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  padding: 2px var(--space-4);
  border-radius: var(--radius-full);
}
.tier-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--primary-text);
  margin: 0;
}
.tier-name { font-size: var(--fs-h4); margin: 0; }
.tier-tagline { color: var(--text-2); margin: 0 0 var(--space-3); font-size: var(--fs-body-sm); }
.tier-math {
  margin: 0;
  padding: var(--space-5);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  color: var(--text-2);
  text-align: center;
}
.tier-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.tier-price .amount { font-size: 2rem; font-weight: 500; color: var(--text-1); }
.tier-price .period { font-size: var(--fs-caption); color: var(--text-3); text-transform: uppercase; letter-spacing: var(--tracking-caps); }

/* add-on sub-cards (middle pricing tier) */
.addon-list { display: flex; flex-direction: column; gap: var(--space-5); }
.addon {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--surface-sunken);
}
.addon-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}
.addon-title {
  font-size: var(--fs-body);
  font-family: var(--font-body);
  font-weight: 500;
  margin: 0;
  color: var(--text-1);
  letter-spacing: 0;
}
.addon-price {
  color: var(--primary-text);
  font-size: var(--fs-body);
  font-weight: 500;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.addon-period {
  color: var(--text-3);
  font-size: var(--fs-caption);
  margin-left: 2px;
}
.addon-body {
  font-size: var(--fs-body-sm);
  color: var(--text-2);
  margin: 0;
}
.tier ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  font-size: var(--fs-body-sm);
  color: var(--text-2);
}
.tier li { display: flex; align-items: flex-start; gap: var(--space-4); }
.tier li::before {
  content: "";
  flex-shrink: 0;
  width: 16px; height: 16px; margin-top: 3px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3 8.5l3.5 3.5L13 5'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3 8.5l3.5 3.5L13 5'/></svg>") center/contain no-repeat;
}
.tier li.is-muted { color: var(--text-3); }
.tier li.is-muted::before {
  background: var(--text-3);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='black' stroke-width='2' stroke-linecap='round' d='M4 8h8'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='black' stroke-width='2' stroke-linecap='round' d='M4 8h8'/></svg>") center/contain no-repeat;
}
.tier .btn { margin-top: auto; }

.pricing-note {
  margin-top: var(--space-8);
  padding: var(--space-7);
  background: var(--surface-sunken);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  color: var(--text-2);
  font-size: var(--fs-body-sm);
}

/* --------- cta block --------- */

.cta-block {
  position: relative;
  text-align: center;
  padding: var(--space-14) var(--space-7);
  border-radius: var(--radius-2xl);
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}
.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50ch 40ch at 0% 0%, var(--primary-soft) 0%, transparent 60%),
    radial-gradient(50ch 40ch at 100% 100%, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
}
.cta-block > * { position: relative; }
.cta-block h2 {
  font-size: var(--fs-display-2);
  max-width: 18ch;
  margin: 0 auto var(--space-5);
}
.cta-block p { max-width: 56ch; margin: 0 auto var(--space-9); color: var(--text-2); font-size: var(--fs-body-lg); }
.cta-block .actions { display: inline-flex; flex-wrap: wrap; gap: var(--space-4); justify-content: center; }

/* --------- section header (reusable) --------- */

.section-head { max-width: 64ch; margin-bottom: var(--space-10); }
.section-head h2 { margin-bottom: var(--space-5); }
.section-head p  { color: var(--text-2); font-size: var(--fs-body-lg); margin: 0; }

/* --------- footer --------- */

.site-footer {
  margin-top: var(--space-16);
  padding: var(--space-12) 0 var(--space-9);
  border-top: 1px solid var(--border-subtle);
  background: var(--surface);
}
.footer-grid {
  display: grid;
  gap: var(--space-9);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; } }
.footer-brand p {
  margin-top: var(--space-5);
  color: var(--text-3);
  font-size: var(--fs-body-sm);
  max-width: 38ch;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
  margin-bottom: var(--space-5);
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-4); }
.footer-col a { color: var(--text-2); font-size: var(--fs-body-sm); }
.footer-col a:hover { color: var(--text-1); text-decoration: none; }
.footer-base {
  margin-top: var(--space-10);
  padding-top: var(--space-7);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
}
.footer-base a { color: inherit; }

/* --------- product detail --------- */

.split {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 1024px) { .split { grid-template-columns: 1.2fr 1fr; } }

.facts {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-9);
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}
.fact-row { display: flex; flex-direction: column; gap: var(--space-2); }
.fact-row .label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--text-3);
}
.fact-row .value { color: var(--text-1); font-size: var(--fs-body); }

/* --------- prose blocks --------- */

.prose p { font-size: var(--fs-body); line-height: var(--lh-relaxed); color: var(--text-2); }
.prose ul { padding-left: var(--space-7); color: var(--text-2); margin: 0 0 var(--space-7); }
.prose ul li { margin-bottom: var(--space-3); }

/* --------- skip link --------- */

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-5);
  background: var(--primary);
  color: var(--text-on-brand);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-body-sm);
  z-index: 1001;
}
.skip-link:focus { top: var(--space-5); text-decoration: none; }

/* --------- reduced motion --------- */

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