/* Rei Dynamics. The only stylesheet for the page.
   Desktop values are the design spec; large type uses clamp() so it scales,
   and layout collapses at the breakpoints at the bottom of this file. */

:root {
  /* Surfaces */
  --page:            #08090c;
  --panel:           #0c0e13;
  --surface:         rgba(255,255,255,0.04);
  --surface-strong:  rgba(255,255,255,0.06);
  --surface-hover:   rgba(255,255,255,0.03);
  --band:            rgba(255,255,255,0.025);

  /* Borders */
  --border-subtle:   rgba(255,255,255,0.07);
  --border:          rgba(255,255,255,0.08);
  --border-strong:   rgba(255,255,255,0.10);
  --border-blue:     rgba(122,169,255,0.35);
  --border-blue-up:  rgba(122,169,255,0.50);

  /* Text */
  --text:            #f5f5f7;
  --text-body:       #e8e8ed;
  --text-2:          #9a9aa1;
  --text-3:          #7d7d85;
  --text-4:          #a1a1a6;
  --text-5:          #8e8e93;

  /* Accent */
  --blue:            #0a6cff;
  --blue-hover:      #0057d1;
  --link:            #5b9cff;
  --link-hover:      #8fbaff;
  --blue-light:      #7ba9ff;
  --blue-pale:       #a9c6ff;

  --gutter:          28px;
  --nav-h:           52px;

  color-scheme: dark;
  /* Anchor targets clear the sticky nav */
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  /* Nothing on this page should ever scroll sideways */
  overflow-x: hidden;
}

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

:where(a, button, summary):focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
  border-radius: 4px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--text);
  color: var(--page);
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; text-decoration: none; }

/* ---------------------------------------------------------------- background */

.bg-layer { position: fixed; inset: 0; pointer-events: none; }

.bg-grid {
  z-index: -3;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 20%, transparent 85%);
          mask-image: radial-gradient(ellipse 100% 80% at 50% 0%, #000 20%, transparent 85%);
}

.bg-dots {
  z-index: -3;
  background-image: radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 80% 55%, #000, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 50% at 80% 55%, #000, transparent 75%);
}

.bg-glow {
  z-index: -2;
  background:
    radial-gradient(900px 520px at 50% -8%,  rgba(10,108,255,0.22), transparent 70%),
    radial-gradient(700px 500px at 8% 42%,   rgba(10,108,255,0.10), transparent 72%),
    radial-gradient(700px 600px at 95% 88%,  rgba(122,169,255,0.09), transparent 72%);
}

.bg-outlines { z-index: -2; overflow: hidden; }
.bg-outlines i { position: absolute; display: block; }
.bg-o1 { top: 14vh; left: -6vw; width: 34vw; height: 34vw; border: 1px solid rgba(122,169,255,0.14); border-radius: 28px; transform: rotate(24deg); }
.bg-o2 { top: 22vh; left: 2vw;  width: 22vw; height: 22vw; border: 1px solid rgba(255,255,255,0.06); border-radius: 999px; }
.bg-o3 { bottom: 12vh; right: -4vw; width: 30vw; height: 30vw; border: 1px solid rgba(122,169,255,0.12); border-radius: 24px; transform: rotate(-16deg); }
.bg-o4 { top: 58vh; right: 12vw; width: 12vw; height: 12vw; border: 1px solid rgba(255,255,255,0.07); border-radius: 999px; }
.bg-t1 { top: 0; left: 22%; width: 1px; height: 100%; background: linear-gradient(180deg, transparent, rgba(122,169,255,0.16), transparent); }
.bg-t2 { top: 0; left: 63%; width: 1px; height: 100%; background: linear-gradient(180deg, transparent, rgba(122,169,255,0.12), transparent); }

/* ----------------------------------------------------------------------- nav */

.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(8,9,12,0.7);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
          backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  width: 100%; max-width: 1120px; margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.wordmark { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; color: var(--text); }
.wordmark:hover { color: var(--text); text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 28px; font-size: 13px; }
.nav-link {
  color: var(--text); opacity: .8;
  transition: opacity .2s ease;
}
.nav-link:hover { opacity: 1; color: var(--text); text-decoration: none; }

.pill {
  display: inline-block;
  background: var(--text); color: var(--page);
  padding: 7px 15px; border-radius: 980px;
  font-size: 13px; line-height: 1.2;
  transition: background-color .2s ease;
}
.pill:hover { background: #fff; color: var(--page); text-decoration: none; }

/* Mobile dropdown, pure CSS via <details> */
.nav-fold { display: none; position: relative; }
.nav-fold > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; margin-right: -6px;
  color: var(--text);
}
.nav-fold > summary::-webkit-details-marker { display: none; }
.nav-fold-bars { position: relative; width: 18px; height: 12px; }
.nav-fold-bars::before,
.nav-fold-bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px;
  background: currentColor; border-radius: 2px;
}
.nav-fold-bars::before { top: 0; }
.nav-fold-bars::after  { bottom: 0; }
.nav-fold[open] .nav-fold-bars::before { top: 5px; transform: rotate(45deg); }
.nav-fold[open] .nav-fold-bars::after  { bottom: 5px; transform: rotate(-45deg); }
.nav-fold-panel {
  position: absolute; right: 0; top: calc(100% + 10px);
  min-width: 200px;
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px;
  background: rgba(12,14,19,0.97);
  -webkit-backdrop-filter: blur(20px);
          backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.nav-fold-panel a {
  color: var(--text); font-size: 15px;
  padding: 10px 12px; border-radius: 10px;
}
.nav-fold-panel a:hover { background: var(--surface); text-decoration: none; }

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

.hero { padding: 104px var(--gutter) 0; }
.hero-inner {
  max-width: 980px; margin: 0 auto; text-align: center;
  display: flex; flex-direction: column; gap: 22px; align-items: center;
}
.eyebrow {
  margin: 0; font-size: 13px; letter-spacing: 0.02em;
  color: var(--text-2); text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-size: clamp(38px, 7.2vw, 76px);
  line-height: 1.03; letter-spacing: -0.035em; font-weight: 600;
  max-width: 900px; text-wrap: balance;
}
.hero-sub {
  margin: 0; max-width: 640px;
  font-size: clamp(17px, 2vw, 21px); line-height: 1.45;
  color: var(--text-2); text-wrap: pretty;
}
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 10px; }

.btn {
  display: inline-block; border: 1px solid transparent;
  padding: 12px 26px; border-radius: 980px;
  font-size: 16px; line-height: 1.2; font-family: inherit; cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn-light { background: var(--text); color: var(--page); }
.btn-light:hover { background: #fff; color: var(--page); text-decoration: none; }
.btn-glass {
  border-color: rgba(255,255,255,0.22);
  background: var(--surface); color: var(--text);
}
.btn-glass:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.35);
  color: var(--text); text-decoration: none;
}

/* ------------------------------------------------------------------- compare */

.compare-wrap { max-width: 1120px; margin: 64px auto 0; }
.compare-head {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  margin-bottom: 24px; text-align: center;
}
.compare-head h2 {
  margin: 0; font-size: clamp(24px, 3vw, 28px);
  font-weight: 600; letter-spacing: -0.025em;
}
.compare-hint { margin: 0; font-size: 15px; color: var(--text-2); }

.compare {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  cursor: ew-resize;
  user-select: none; -webkit-user-select: none;
  /* Page scroll always wins here. Only the handle captures a drag. */
  touch-action: pan-y;
}

/* Both panels share one grid cell, so the stage is as tall as the taller
   panel and neither can be clipped. */
.compare-stack { display: grid; }
.compare-panel { grid-area: 1 / 1; min-width: 0; }
.compare-pad { padding: 40px 44px 44px; height: 100%; }
.compare-after .compare-pad {
  background: linear-gradient(180deg, #0a1020, #070a10);
  color: var(--text);
}

.compare-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 28px;
}
.compare-state { font-size: 12px; color: var(--text-3); }
.compare-state-after { color: var(--blue-light); }
.compare-caption { font-size: 12px; color: var(--text-3); }

.compare-tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.compare-tools div {
  background: var(--surface); border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px; padding: 16px; font-size: 14px; color: var(--text-2);
}

.compare-conn { height: 34px; display: grid; gap: 14px; }
.compare-conn-4 { grid-template-columns: repeat(4, 1fr); }
.compare-conn-3 { grid-template-columns: repeat(3, 1fr); }
.compare-conn i { display: block; height: 100%; margin-left: 50%; border-left: 2px dashed rgba(255,255,255,0.17); }
.compare-conn-solid i { border-left: 2px solid var(--blue); }

.compare-manual {
  border: 2px dashed rgba(255,255,255,0.17); border-radius: 16px;
  padding: 20px 22px; background: rgba(255,255,255,0.02);
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.compare-manual b { font-size: 17px; font-weight: 500; color: var(--text-body); }
.compare-manual span { font-size: 13px; color: var(--text-3); }

.compare-parties { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.compare-parties div {
  background: var(--surface); border: 1px solid rgba(255,255,255,0.09);
  border-radius: 14px; padding: 16px 18px; font-size: 14px; color: var(--text-2);
}
.compare-parties span { display: block; font-size: 13px; color: var(--text-4); }
.compare-after .compare-parties div {
  background: var(--surface-strong); border-color: var(--border-blue); color: var(--text);
}
.compare-after .compare-parties span { color: var(--text-5); }

.compare-ai {
  border: 1px solid var(--border-blue-up); border-radius: 18px;
  padding: 20px 22px;
  background: linear-gradient(180deg, rgba(10,108,255,0.22), rgba(10,108,255,0.06));
  display: flex; flex-direction: column; gap: 16px;
}
.compare-ai-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.compare-ai-head b { font-size: 17px; font-weight: 500; color: #fff; }
.compare-ai-head span { font-size: 13px; color: var(--blue-pale); }
.compare-chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.compare-chips div {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(122,169,255,0.4);
  border-radius: 12px; padding: 13px 14px; font-size: 14px; color: var(--text);
}

/* Handle */
.compare-handle {
  position: absolute; top: 0; bottom: 0; left: 55%;
  width: 2px; transform: translateX(-1px);
  display: flex; align-items: stretch; justify-content: center;
  touch-action: none;
  outline: none;
}
.compare-bar {
  width: 2px; flex: 1;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.12);
}
.compare-knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 44px; height: 44px; border-radius: 999px;
  background: #fff; box-shadow: 0 6px 20px rgba(0,0,0,0.22);
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.compare-handle:focus-visible .compare-knob {
  box-shadow: 0 0 0 3px var(--link), 0 6px 20px rgba(0,0,0,0.22);
}
.compare-chev { display: block; width: 0; height: 0; }
.compare-chev-a { border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-right: 6px solid #1d1d1f; }
.compare-chev-b { border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 6px solid #1d1d1f; }

/* ------------------------------------------------------------------ sections */

.section { padding: 128px var(--gutter); position: relative; }
.band {
  position: relative;
  background: var(--band);
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
  padding: 120px var(--gutter);
}
.inner { max-width: 1120px; margin: 0 auto; }
.inner-mid { max-width: 900px; margin: 0 auto; }
.inner-narrow { max-width: 820px; margin: 0 auto; }

.section-h2 {
  margin: 0 0 20px;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08; letter-spacing: -0.03em; font-weight: 600;
  max-width: 720px;
}
.band-h2 {
  margin: 0;
  font-size: clamp(28px, 4.4vw, 40px);
  line-height: 1.12; letter-spacing: -0.03em; font-weight: 600;
}
.section-intro {
  margin: 0 0 48px; max-width: 620px;
  font-size: clamp(17px, 2vw, 19px); line-height: 1.5; color: var(--text-2);
}
.eyebrow-tight { margin: 0 0 14px; }

/* Offerings */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.offer {
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: 24px; padding: 36px 34px;
  display: flex; flex-direction: column; gap: 12px;
}
.offer-num { font-size: 12px; color: var(--text-3); }
.offer h3 { margin: 0; font-size: clamp(22px, 2.6vw, 26px); font-weight: 600; letter-spacing: -0.02em; }
.offer p { margin: 0; font-size: 17px; line-height: 1.5; color: var(--text-2); text-wrap: pretty; }

/* About band */
.about { display: flex; flex-direction: column; gap: 24px; }
.about-lede { margin: 0; font-size: clamp(18px, 2vw, 21px); line-height: 1.5; color: var(--text-body); }
.about p:not(.about-lede) { margin: 0; font-size: clamp(17px, 1.9vw, 19px); line-height: 1.55; color: var(--text-2); }

/* --------------------------------------------------------------- services */

.grid-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; align-items: stretch; }

.card {
  border: 1px solid var(--border-strong); border-radius: 24px;
  padding: 36px 34px;
  display: flex; flex-direction: column; gap: 18px;
}
.card-featured {
  background: linear-gradient(180deg, rgba(10,108,255,0.16), rgba(255,255,255,0.03));
  border-color: var(--border-blue);
}
.svc-head { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.svc-kicker { font-size: 13px; color: var(--text-3); }
.card-featured .svc-kicker { color: var(--text-4); }
.svc-badge {
  font-size: 12px; background: rgba(10,108,255,0.25); color: var(--blue-pale);
  padding: 4px 10px; border-radius: 980px;
}
.svc-title { margin: 0; font-size: clamp(26px, 3vw, 30px); font-weight: 600; letter-spacing: -0.025em; }
.card-featured .svc-title { color: #fff; }
.svc-price {
  margin: 0; font-size: clamp(30px, 3.6vw, 34px); font-weight: 600; letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums lining-nums;
}
.card-featured .svc-price { color: #fff; }
.svc-gst { font-size: 15px; font-weight: 400; letter-spacing: 0; color: var(--text-3); }
.card-featured .svc-gst { color: var(--text-4); }
.svc-body { margin: 0; font-size: 17px; line-height: 1.5; color: var(--text-2); }
.card-featured .svc-body { color: var(--text-4); }
.svc-list {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 16px; line-height: 1.45; color: var(--text-body);
}
.card-featured .svc-list { color: var(--text); }
/* Actions pin to the bottom so both CTAs line up whatever the copy does */
.svc-action { margin-top: auto; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }

.svc-cta {
  border-radius: 980px; padding: 11px 22px; font-size: 16px; line-height: 1.2;
  font-family: inherit; cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.svc-cta-outline { border: 1px solid var(--blue); background: transparent; color: var(--link); }
.svc-cta-outline:hover:not(:disabled) { background: var(--blue); color: #fff; }
.svc-cta-solid { border: 1px solid var(--blue); background: var(--blue); color: #fff; }
.svc-cta-solid:hover:not(:disabled) { background: var(--blue-hover); border-color: var(--blue-hover); }
.svc-cta:disabled { opacity: .6; cursor: default; }

.svc-footnote { margin: 28px 0 0; font-size: 14px; color: var(--text-3); }

/* Checkout status line. checkout.js builds .spinner and .badge nodes in here,
   so these classes have to exist independently of any design system. */
.svc-status {
  margin: 0; min-height: 1.4em;
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 14px; line-height: 1.45; color: var(--text-2);
}
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 980px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
  background: rgba(255,255,255,0.10); color: var(--text-body);
}
.badge-success { background: rgba(48,209,88,0.18); color: #7ee08f; }
.badge-error   { background: rgba(255,69,58,0.18);  color: #ff8b82; }
.spinner {
  display: inline-block; width: 13px; height: 13px; flex: none;
  border: 2px solid rgba(255,255,255,0.25);
  border-top-color: var(--link);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2s; } }

/* ------------------------------------------------------------- white paper */

.paper-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 24px; overflow: hidden;
}
.paper-summary {
  list-style: none; cursor: pointer;
  padding: 30px 34px;
  display: flex; align-items: center; gap: 24px;
  transition: background-color .2s ease;
}
.paper-summary::-webkit-details-marker { display: none; }
.paper-summary:hover { background: var(--surface-hover); }
.paper-summary-text { flex: 1; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.paper-meta { font-size: 12px; color: var(--text-3); }
.paper-summary h3 { margin: 0; font-size: clamp(22px, 2.8vw, 28px); font-weight: 600; letter-spacing: -0.025em; }
.paper-blurb { margin: 0; font-size: 17px; line-height: 1.5; color: var(--text-2); }
.paper-toggle { font-size: 15px; color: var(--link); white-space: nowrap; flex: none; }
.paper-card[open] .paper-toggle-open { display: none; }
.paper-toggle-close { display: none; }
.paper-card[open] .paper-toggle-close { display: inline; }

.paper-body { padding: 8px 34px 44px; border-top: 1px solid var(--border); }
.paper-prose {
  max-width: 680px;
  display: flex; flex-direction: column; gap: 18px;
  font-size: 18px; line-height: 1.6; color: var(--text-body);
}
.paper-card[open] .paper-prose { animation: paper-in .25s ease both; }
@keyframes paper-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .paper-card[open] .paper-prose { animation: none; } }

.paper-prose h4 { margin: 34px 0 0; font-size: 24px; font-weight: 600; letter-spacing: -0.02em; }
.paper-prose h4:first-child { margin-top: 30px; }
.paper-prose h5 { margin: 14px 0 0; font-size: 19px; font-weight: 600; }
.paper-prose p  { margin: 0; }
.paper-prose ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 10px; }
.paper-prose ul.loose { gap: 8px; color: var(--text-2); }
.paper-outro { margin: 30px 0 0 !important; }

/* ----------------------------------------------------------------- founders */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.founder {
  background: var(--surface); border: 1px solid var(--border-subtle);
  border-radius: 20px; padding: 32px 30px;
  display: flex; flex-direction: column; gap: 8px;
}
.founder h3 { margin: 0; font-size: 24px; font-weight: 600; letter-spacing: -0.02em; }
.founder-role { margin: 0; font-size: 16px; line-height: 1.4; color: var(--text-3); }
/* Reserve two lines for the role while the cards sit side by side, so every
   bio starts at the same height whatever the role length. */
@media (min-width: 1001px) { .founder-role { min-height: 2.8em; } }
.founder-bio { margin: 4px 0 0; font-size: 16px; line-height: 1.5; color: var(--text-2); }
.founder-link { margin-top: auto; padding-top: 12px; font-size: 15px; }

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

.footer {
  position: relative;
  background: var(--band);
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
  padding: 72px var(--gutter) 56px;
  border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  max-width: 1120px; margin: 0 auto;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-wordmark { font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
.footer-tagline { margin: 0; font-size: 15px; line-height: 1.5; color: var(--text-2); max-width: 320px; }
.footer-meta { margin: 0; font-size: 13px; color: var(--text-3); }
.footer-col { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.footer-col-label { margin: 0 0 4px; font-size: 13px; color: var(--text-3); }
.footer-legal { max-width: 1120px; margin: 48px auto 0; font-size: 13px; color: var(--text-3); }

/* ------------------------------------------------------------- breakpoints */

@media (max-width: 1000px) {
  .section { padding: 96px var(--gutter); }
  .band { padding: 96px var(--gutter); }
  .grid-2, .grid-services, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .offer, .card { padding: 30px 26px; }
}

@media (max-width: 768px) {
  :root { --gutter: 20px; }

  .nav-links { display: none; }
  .nav-fold { display: block; }

  .hero { padding: 64px var(--gutter) 0; }
  .hero-inner { gap: 18px; }
  .hero-actions { width: 100%; flex-direction: column; align-items: stretch; }
  .btn { text-align: center; padding: 13px 22px; }

  .compare-wrap { margin-top: 48px; }
  .compare-hint::after { content: " (drag the bar up or down)"; }

  /* The comparison rotates: the wipe runs top to bottom. The stage itself
     scrolls normally; only .compare-handle captures the drag. */
  .compare { cursor: ns-resize; touch-action: auto; border-radius: 20px; }
  .compare-pad { padding: 24px 18px 28px; }
  .compare-row { margin-bottom: 20px; flex-direction: column; align-items: flex-start; gap: 6px; }
  .compare-tools, .compare-chips { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .compare-tools div { padding: 13px; }
  .compare-parties { grid-template-columns: 1fr; gap: 10px; }
  .compare-conn { height: 22px; grid-template-columns: 1fr !important; }
  .compare-conn i:not(:first-child) { display: none; }
  .compare-manual { flex-direction: column; align-items: flex-start; gap: 6px; padding: 16px 18px; }
  .compare-ai { padding: 16px 18px; }
  .compare-ai-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .compare-after .compare-pad { display: flex; flex-direction: column; }

  .compare-handle {
    top: 55%; bottom: auto; left: 0; right: 0;
    width: auto; height: 2px;
    transform: none;
    flex-direction: column;
    /* 44px tap target around a 2px line */
    padding: 21px 0; margin-top: -22px;
    box-sizing: content-box;
  }
  .compare-bar { width: auto; height: 2px; flex: none; }
  .compare-knob { flex-direction: column; gap: 4px; }
  .compare-chev-a {
    border-top: none; border-bottom: 6px solid #1d1d1f;
    border-left: 5px solid transparent; border-right: 5px solid transparent;
  }
  .compare-chev-b {
    border-bottom: none; border-top: 6px solid #1d1d1f;
    border-left: 5px solid transparent; border-right: 5px solid transparent;
  }

  .paper-summary { padding: 22px 22px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .paper-body { padding: 8px 22px 32px; }
  .paper-prose { font-size: 17px; }
  .paper-prose h4 { font-size: 21px; margin-top: 26px; }
  .paper-prose h5 { font-size: 18px; }

  .footer { padding: 56px var(--gutter) 48px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-legal { margin-top: 32px; }
}

@media (max-width: 480px) {
  .section { padding: 72px var(--gutter); }
  .band { padding: 72px var(--gutter); }
  .offer, .card { padding: 26px 22px; }
  .founder { padding: 26px 22px; }
  .compare-tools div, .compare-chips div { padding: 11px 12px; font-size: 13px; }
}

@media print {
  .nav, .compare-wrap, .footer { display: none; }
  body { background: #fff; color: #000; }
  .paper-body { display: block !important; }
}