/* Grainstop landing — matches extension popup (sage cards, DM Sans, rounded surfaces) */

:root {
  --gs-bg: #0e1210;
  --gs-surface: #181c18;
  --gs-surface-up: #242a26;
  --gs-ink: #ecf2ee;
  --gs-muted: #8c9e94;
  --gs-hr: #2a3630;
  --gs-accent: #62b088;
  --gs-accent-deep: #3d8b5c;
  --gs-accent-soft: rgba(98, 176, 136, 0.14);
  --gs-accent-border: rgba(98, 176, 136, 0.32);
  --gs-glow: rgba(98, 176, 136, 0.38);
  --gs-grad: linear-gradient(135deg, #62b088 0%, #3d8b5c 55%, #98d2b0 100%);
  --gs-font: 'DM Sans', system-ui, sans-serif;
  --gs-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --gs-r: 16px;
  --gs-r-sm: 14px;
  --gs-max: 1080px;
  --gs-pad: 20px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body.gs-site {
  margin: 0;
  font-family: var(--gs-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gs-ink);
  background: var(--gs-bg);
  -webkit-font-smoothing: antialiased;
}

body.gs-site::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(80% 50% at 20% -10%, rgba(98, 176, 136, 0.12), transparent 55%),
    radial-gradient(60% 40% at 100% 20%, rgba(61, 139, 92, 0.08), transparent 50%);
  z-index: 0;
}

a { color: var(--gs-accent); text-decoration: none; }
a:hover { color: #98d2b0; }

.gs-container {
  position: relative;
  z-index: 1;
  width: min(var(--gs-max), 100% - 2 * var(--gs-pad));
  margin-inline: auto;
}

/* ── Top bar (popup header) ── */

.gs-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--gs-accent-soft) 0%, rgba(14, 18, 16, 0.92) 70%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gs-hr);
}

.gs-topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.gs-topbar-inner .gs-brand {
  justify-self: start;
  min-width: 0;
}

.gs-topbar-inner .gs-nav {
  justify-self: center;
}

.gs-topbar-inner > .gs-btn {
  justify-self: end;
}

.gs-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gs-ink);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.gs-brand img {
  border-radius: 8px;
  box-shadow: 0 4px 14px var(--gs-glow);
}

.gs-brand small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gs-muted);
  letter-spacing: 0.04em;
}

.gs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 14px;
  font-weight: 500;
}

.gs-nav a { color: var(--gs-muted); }
.gs-nav a:hover { color: var(--gs-ink); }

.gs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-radius: var(--gs-r-sm);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gs-btn-primary {
  color: #fff;
  background: var(--gs-grad);
  box-shadow: 0 8px 22px var(--gs-glow);
}

.gs-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px var(--gs-glow);
  color: #fff;
}

.gs-btn-ghost {
  color: var(--gs-ink);
  background: var(--gs-surface-up);
  border: 1px solid var(--gs-hr);
}

.gs-btn-ghost:hover { border-color: var(--gs-accent-border); color: var(--gs-ink); }

.gs-btn-sm { padding: 8px 14px; font-size: 13px; }

/* ── Hero ── */

.gs-hero {
  padding: 48px 0 64px;
}

.gs-hero-grid {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 380px);
  gap: 48px;
  align-items: center;
}

.gs-kicker {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gs-accent);
  background: var(--gs-accent-soft);
  border: 1px solid var(--gs-accent-border);
  border-radius: 999px;
}

.gs-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.gs-hero h1 em {
  font-style: normal;
  background: var(--gs-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gs-lead {
  margin: 0 0 14px;
  color: var(--gs-muted);
  max-width: 52ch;
}

.gs-lead strong { color: var(--gs-ink); font-weight: 600; }

.gs-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 12px;
}

.gs-meta {
  font-size: 12px;
  color: var(--gs-muted);
}

.gs-meta-spaced {
  margin-top: 20px;
}

.gs-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.gs-stat {
  flex: 1;
  min-width: 100px;
  padding: 12px 14px;
  background: var(--gs-surface-up);
  border-radius: var(--gs-r-sm);
  border: 1px solid var(--gs-hr);
}

.gs-stat b {
  display: block;
  font-family: var(--gs-mono);
  font-size: 22px;
  color: var(--gs-accent);
  letter-spacing: -0.04em;
}

.gs-stat span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gs-muted);
}

.gs-popup-shot {
  padding: 14px;
  background: var(--gs-surface);
  border-radius: var(--gs-r);
  border: 1px solid var(--gs-hr);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.gs-popup-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.gs-popup-label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gs-muted);
}

/* ── Sections ── */

.gs-section {
  padding: 56px 0;
  border-top: 1px solid var(--gs-hr);
}

.gs-section-head {
  margin-bottom: 32px;
  max-width: 640px;
}

.gs-section-head h2 {
  margin: 0 0 10px;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gs-section-head p {
  margin: 0;
  color: var(--gs-muted);
}

.gs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.gs-card {
  padding: 18px 18px 16px;
  background: var(--gs-surface-up);
  border-radius: var(--gs-r);
  border: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.gs-card:hover { border-color: var(--gs-accent-border); }

.gs-card-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--gs-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gs-accent);
}

.gs-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
}

.gs-card p {
  margin: 0;
  font-size: 14px;
  color: var(--gs-muted);
  line-height: 1.55;
}

/* Mode strip (popup toggle metaphor) */

.gs-mode-strip {
  display: flex;
  margin-bottom: 24px;
  padding: 6px;
  background: var(--gs-surface);
  border-radius: 999px;
  border: 1px solid var(--gs-hr);
  max-width: 360px;
}

.gs-mode-strip span {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  color: var(--gs-muted);
}

.gs-mode-strip span.on {
  color: #fff;
  background: var(--gs-grad);
  box-shadow: 0 4px 16px var(--gs-glow);
}

/* Feature rows (option-row style) */

.gs-rows { display: flex; flex-direction: column; gap: 8px; }

.gs-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  background: var(--gs-surface-up);
  border-radius: var(--gs-r-sm);
  border: 1px solid transparent;
}

.gs-row:hover { border-color: var(--gs-accent-border); }

.gs-row h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
}

.gs-row p {
  margin: 0;
  font-size: 13px;
  color: var(--gs-muted);
}

.gs-row-num {
  flex-shrink: 0;
  font-family: var(--gs-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gs-accent);
}

.gs-split {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 340px);
  gap: 32px;
  align-items: start;
}

/* Privacy chips */

.gs-ledger {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 24px;
}

.gs-ledger div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  font-size: 13px;
  background: var(--gs-surface);
  border-radius: var(--gs-r-sm);
  border: 1px solid var(--gs-hr);
}

.gs-ledger b { font-family: var(--gs-mono); font-size: 11px; letter-spacing: 0.04em; }
.gs-ledger b.ok { color: var(--gs-accent); }
.gs-ledger b.no { color: #d4847a; }

.gs-install-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  padding: 22px 24px;
  background: linear-gradient(145deg, var(--gs-accent-soft), rgba(82, 168, 120, 0.06));
  border: 1px solid var(--gs-accent-border);
  border-radius: var(--gs-r);
}

.gs-install-banner h3 { margin: 0 0 4px; font-size: 1.15rem; }
.gs-install-banner p { margin: 0; font-size: 13px; color: var(--gs-muted); }

/* ── Footer ── */

.gs-foot {
  margin-top: 24px;
  padding: 40px 0 32px;
  border-top: 1px solid var(--gs-hr);
  background: var(--gs-surface);
}

.gs-foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}

.gs-foot p { margin: 12px 0 0; font-size: 14px; color: var(--gs-muted); max-width: 36ch; }

.gs-foot h4 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gs-muted);
}

.gs-foot ul { list-style: none; margin: 0; padding: 0; }
.gs-foot li { margin-bottom: 8px; font-size: 14px; }
.gs-foot li a { color: var(--gs-muted); }
.gs-foot li a:hover { color: var(--gs-ink); }

.gs-foot-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--gs-hr);
  font-size: 12px;
  color: var(--gs-muted);
}

/* ── Subpages ── */

.gs-page-hero {
  padding: 48px 0 36px;
  text-align: center;
}

.gs-page-hero .gs-lead {
  margin-inline: auto;
}

.gs-page-hero .gs-cta-row {
  justify-content: center;
}

/* Goodbye / uninstall — one centered column for hero + form + ledger */
body.gs-goodbye main .gs-container {
  width: min(640px, 100% - 2 * var(--gs-pad));
}

body.gs-goodbye .gs-section-head {
  text-align: center;
  margin-inline: auto;
}

body.gs-goodbye .gs-meta {
  text-align: center;
}

.gs-page-hero .gs-mark {
  display: block;
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 14px;
  box-shadow: 0 8px 22px var(--gs-glow);
}

/* inline img + inline-block kicker sat on one line — icon looked off-center */
.gs-page-hero .gs-kicker {
  display: block;
  width: fit-content;
  margin-inline: auto;
  margin-bottom: 14px;
}

.gs-page-hero h1 {
  margin: 0 0 12px;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gs-doc-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  font-size: 12px;
  color: var(--gs-muted);
  font-family: var(--gs-mono);
}

.gs-doc {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 32px;
  padding-bottom: 64px;
}

.gs-doc-nav h4 {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gs-muted);
}

.gs-doc-nav ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.gs-doc-nav a {
  display: block;
  padding: 8px 10px;
  margin-bottom: 2px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--gs-muted);
}

.gs-doc-nav a:hover {
  background: var(--gs-surface-up);
  color: var(--gs-ink);
}

.gs-doc-body h2 {
  margin: 2.2em 0 0.6em;
  font-size: 1.2rem;
  font-weight: 700;
}

.gs-doc-body h2:first-child { margin-top: 0; }

.gs-doc-body h3 {
  margin: 1.4em 0 0.4em;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gs-ink);
}

.gs-doc-body p,
.gs-doc-body li {
  color: var(--gs-muted);
  line-height: 1.65;
}

.gs-doc-body code {
  font-family: var(--gs-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: var(--gs-surface-up);
  border-radius: 4px;
}

.gs-callout {
  padding: 16px 18px;
  margin-bottom: 24px;
  background: var(--gs-accent-soft);
  border: 1px solid var(--gs-accent-border);
  border-radius: var(--gs-r-sm);
}

.gs-callout .k {
  display: block;
  font-family: var(--gs-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gs-accent);
  margin-bottom: 6px;
}

.gs-callout p { margin: 0; color: var(--gs-ink); font-size: 14px; }

.gs-form {
  padding: 20px;
  background: var(--gs-surface-up);
  border-radius: var(--gs-r);
  border: 1px solid var(--gs-hr);
}

.gs-form h3 { margin: 0 0 6px; }
.gs-form > p { margin: 0 0 16px; font-size: 14px; color: var(--gs-muted); }

.gs-reasons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.gs-reason {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--gs-surface);
  border-radius: var(--gs-r-sm);
  border: 1px solid var(--gs-hr);
  cursor: pointer;
  font-size: 14px;
}

.gs-reason:has(input:checked) {
  border-color: var(--gs-accent-border);
  background: var(--gs-accent-soft);
}

.gs-reason input { accent-color: var(--gs-accent); }

.gs-reason .tag {
  font-family: var(--gs-mono);
  font-size: 10px;
  color: var(--gs-muted);
}

.gs-form textarea {
  width: 100%;
  min-height: 96px;
  padding: 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--gs-ink);
  background: var(--gs-surface);
  border: 1px solid var(--gs-hr);
  border-radius: var(--gs-r-sm);
  resize: vertical;
}

.gs-form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--gs-muted);
}

.gs-checklist {
  max-width: 640px;
  margin: 28px auto 0;
  text-align: left;
}

body.gs-site .doc-hero,
body.gs-site .center-stage {
  padding: 40px 0 32px;
  text-align: center;
}

body.gs-site .doc-hero h1,
body.gs-site .center-stage h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

body.gs-site .lede { color: var(--gs-muted); max-width: 56ch; margin-inline: auto; }

body.gs-site .section {
  padding: 48px 0;
  border-top: 1px solid var(--gs-hr);
}

body.gs-site .wrap { width: min(920px, 100% - 2 * var(--gs-pad)); margin-inline: auto; }

body.gs-site .sec-head h2 { font-size: 1.4rem; }
body.gs-site .sec-note { color: var(--gs-muted); }

body.gs-site .checklist,
body.gs-site .check {
  text-align: left;
}

body.gs-site .check {
  display: flex;
  gap: 14px;
  padding: 14px;
  background: var(--gs-surface-up);
  border-radius: var(--gs-r-sm);
  margin-bottom: 8px;
}

body.gs-site .kb {
  font-family: var(--gs-mono);
  color: var(--gs-accent);
  font-weight: 600;
}

body.gs-site .doc {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 32px 0 64px;
}

body.gs-site .doc-nav a {
  display: block;
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 8px;
  color: var(--gs-muted);
  font-size: 14px;
}

body.gs-site .doc-nav a:hover { background: var(--gs-surface-up); color: var(--gs-ink); }

body.gs-site .doc-body h2 { margin-top: 2em; font-size: 1.25rem; }
body.gs-site .doc-body p,
body.gs-site .doc-body li { color: var(--gs-muted); line-height: 1.65; }

body.gs-site table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0;
}

body.gs-site th,
body.gs-site td {
  padding: 10px 12px;
  border: 1px solid var(--gs-hr);
  text-align: left;
}

body.gs-site th { background: var(--gs-surface-up); color: var(--gs-ink); }

body.gs-site .btn.btn-primary {
  color: #fff;
  background: var(--gs-grad);
  border-radius: var(--gs-r-sm);
  padding: 10px 18px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  text-decoration: none;
  box-shadow: 0 8px 22px var(--gs-glow);
}

body.gs-site .btn.btn-ghost {
  padding: 10px 18px;
  border-radius: var(--gs-r-sm);
  border: 1px solid var(--gs-hr);
  background: var(--gs-surface-up);
  color: var(--gs-ink);
  display: inline-flex;
}

body.gs-site .diamond { display: none; }

body.gs-site .nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--gs-accent-soft) 0%, rgba(14, 18, 16, 0.92) 70%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gs-hr);
}

body.gs-site .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--gs-max);
  margin-inline: auto;
  padding: 14px var(--gs-pad);
}

body.gs-site .lockup { display: flex; align-items: center; gap: 10px; color: var(--gs-ink); text-decoration: none; font-weight: 700; }
body.gs-site .lockup-sub { display: block; font-size: 11px; font-weight: 500; color: var(--gs-muted); }
body.gs-site .nav-links a { color: var(--gs-muted); margin-right: 16px; font-size: 14px; }
body.gs-site .nav-links a:hover { color: var(--gs-ink); }

body.gs-site .rail { display: none; }

body.gs-site .footer {
  margin-top: 48px;
  padding: 40px 0;
  background: var(--gs-surface);
  border-top: 1px solid var(--gs-hr);
}

body.gs-site .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; max-width: var(--gs-max); margin-inline: auto; padding: 0 var(--gs-pad); }
body.gs-site .footer-base { max-width: var(--gs-max); margin: 24px auto 0; padding: 16px var(--gs-pad) 0; border-top: 1px solid var(--gs-hr); font-size: 12px; color: var(--gs-muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
body.gs-site .footer h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gs-muted); }
body.gs-site .footer ul { list-style: none; padding: 0; margin: 0; }
body.gs-site .footer a { color: var(--gs-muted); }
body.gs-site .footer a:hover { color: var(--gs-ink); }

@media (max-width: 900px) {
  .gs-hero-grid,
  .gs-split,
  .gs-foot-grid { grid-template-columns: 1fr; }
  .gs-topbar-inner {
    grid-template-columns: 1fr auto;
  }
  .gs-nav { display: none; }
  body.gs-site .nav-links { display: none; }
  body.gs-site .doc { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .gs-btn-primary:hover { transform: none; }
}