/* contacts.xerogent.com: XeroGent Contacts Studio's own site.
   XeroGent palette: indigo, Qatar maroon, green. One solid colour per element, never a gradient. */
:root {
  --green: #15803d;
  --green-strong: #166534;
  --green-soft: #ddf3e4;
  --indigo: #3730a3;
  --indigo-strong: #312e81;
  --indigo-soft: #e8e7fb;
  --maroon: #8a1538;
  --maroon-soft: #f9e6ec;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --card: #ffffff;
  --page: #f6f7f9;
  --band: #eef0f4;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 12px 32px rgba(15, 23, 42, 0.08);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --green: #6ccb5f;
    --green-strong: #86efac;
    --green-soft: #17331f;
    --indigo: #a5b4fc;
    --indigo-strong: #c7d2fe;
    --indigo-soft: #1e1b4b;
    --maroon: #f4a3b9;
    --maroon-soft: #3b0d1b;
    --ink: #e5e7eb;
    --muted: #9ca3af;
    --line: #1f2937;
    --card: #0f172a;
    --page: #070b14;
    --band: #0b1220;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --green: #6ccb5f;
  --green-strong: #86efac;
  --green-soft: #17331f;
  --indigo: #a5b4fc;
  --indigo-strong: #c7d2fe;
  --indigo-soft: #1e1b4b;
  --maroon: #f4a3b9;
  --maroon-soft: #3b0d1b;
  --ink: #e5e7eb;
  --muted: #9ca3af;
  --line: #1f2937;
  --card: #0f172a;
  --page: #070b14;
  --band: #0b1220;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--indigo); text-underline-offset: 3px; }
h1, h2, h3 { font-family: "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; line-height: 1.15; margin: 0; }
h1 { font-size: clamp(34px, 5.4vw, 60px); font-weight: 750; letter-spacing: -0.02em; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; letter-spacing: -0.01em; margin-bottom: 10px; }
h3 { font-size: 19px; font-weight: 650; margin-bottom: 6px; }
p { margin: 0 0 12px; }
.mono { font-family: "Cascadia Mono", Consolas, ui-monospace, monospace; font-size: 0.92em; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.eyebrow { font: 600 12px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.18em; text-transform: uppercase; color: var(--green); margin: 0 0 14px; }
.sub { color: var(--muted); max-width: 720px; margin-bottom: 28px; font-size: 17px; }
.fine { color: var(--muted); font-size: 14px; margin: 14px 0 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 99; background: var(--card); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--indigo); outline-offset: 2px; border-radius: 6px; }

/* ---------------------------------------------------------------- buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; border-radius: 12px; font-weight: 600; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease; }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn.big { padding: 14px 22px; font-size: 17px; }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn.primary { background: var(--indigo); color: #fff; box-shadow: 0 6px 18px rgba(55, 48, 163, 0.28); }
:root[data-theme="dark"] .btn.primary { color: #111827; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary { color: #111827; } }
.btn.primary:hover { background: var(--indigo-strong); transform: translateY(-2px); }
.btn.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--indigo); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* ---------------------------------------------------------------- top bar */
.top { position: sticky; top: 0; z-index: 20; background: var(--page); border-bottom: 1px solid transparent; transition: border-color 0.2s ease, background-color 0.2s ease; }
.top.scrolled { border-bottom-color: var(--line); background: var(--card); }
.top-row { display: flex; align-items: center; gap: 20px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 17px; white-space: nowrap; }
.brand img { border-radius: 9px; }
.links { display: flex; gap: 22px; margin-left: auto; }
.links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.links a:hover { color: var(--ink); }
.top-actions { display: flex; align-items: center; gap: 10px; }
.theme { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); display: grid; place-items: center; cursor: pointer; }
.theme svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.theme[data-mode="dark"] svg circle { fill: currentColor; }
.theme[data-mode="light"] svg path { stroke-width: 2.6; }

/* ---------------------------------------------------------------- hero */
.hero { padding: 56px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 20px 0 30px; }
.mark-green { color: var(--green); }
.mark-indigo { color: var(--indigo); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* the animated window */
.demo { background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.demo-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 13px; }
.demo-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.demo-bar b { margin-left: 8px; font-weight: 600; }
.demo-step { margin-left: auto; font: 600 11px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green); background: var(--green-soft); padding: 6px 9px; border-radius: 999px; }
.demo-steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 0; padding: 12px 16px 0; }
.demo-steps li { font-size: 12px; font-weight: 600; color: var(--muted); padding-top: 8px; border-top: 4px solid var(--line); transition: border-color 0.4s ease, color 0.4s ease; }
.demo-steps li.on { border-top-color: var(--green); color: var(--ink); }
.demo-steps li.now { border-top-color: var(--indigo); color: var(--indigo); }
.demo-body { display: grid; grid-template-columns: 1fr 168px; gap: 16px; padding: 16px; min-height: 318px; }
.demo-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.row { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); transition: transform 0.55s cubic-bezier(.2,.8,.2,1), opacity 0.45s ease, border-color 0.4s ease, background-color 0.4s ease, max-height 0.55s ease, padding 0.55s ease, margin 0.55s ease; max-height: 80px; }
.row .avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 14px; background: var(--indigo-soft); color: var(--indigo); transition: background-color 0.4s ease, color 0.4s ease; }
.row .who { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.row .who b { text-align: left; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color 0.3s ease; }
.row .num { color: var(--muted); font-size: 13px; }
.tag { font-size: 11.5px; font-weight: 600; padding: 4px 9px; border-radius: 999px; white-space: nowrap; transition: background-color 0.4s ease, color 0.4s ease; }
.tag.warn { background: var(--maroon-soft); color: var(--maroon); }
.tag.indigo { background: var(--indigo-soft); color: var(--indigo); }
.tag.ok { background: var(--green-soft); color: var(--green); }
.row.flag { border-color: var(--maroon); }
.row.pair { border-color: var(--indigo); }
.row.done { border-color: var(--green); }
.row.done .avatar { background: var(--green-soft); color: var(--green); }
.row.gone { opacity: 0; transform: translateY(-46px) scale(0.96); max-height: 0; padding-top: 0; padding-bottom: 0; margin-top: -10px; border-width: 0; }
.row .nm.swap { animation: swap 0.6s ease; }
@keyframes swap { 0% { opacity: 1; filter: blur(0); } 45% { opacity: 0; filter: blur(4px); } 55% { opacity: 0; filter: blur(4px); } 100% { opacity: 1; filter: blur(0); } }
.demo-side { display: flex; flex-direction: column; align-items: center; text-align: center; }
.ring { position: relative; width: 150px; height: 150px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 11; stroke-linecap: round; }
.ring-track { stroke: var(--band); }
.ring-after { stroke: var(--green-soft); stroke-dasharray: 75 100; }
.ring-now { stroke: var(--indigo); stroke-dasharray: 59 100; transition: stroke-dasharray 1.1s cubic-bezier(.2,.8,.2,1), stroke 0.6s ease; }
.ring.good .ring-now { stroke: var(--green); }
.ring-num { position: absolute; inset: 0; display: grid; place-content: center; line-height: 1; }
.ring-num b { font-size: 38px; font-weight: 700; }
.ring-num span { font-size: 12px; color: var(--muted); margin-top: 4px; }
.ring-word { font-weight: 600; margin: 10px 0 8px; }
.toast { font-size: 12.5px; color: var(--green); background: var(--green-soft); border-radius: 10px; padding: 8px 10px; opacity: 0; transform: translateY(8px); transition: opacity 0.35s ease, transform 0.35s ease; margin: 0; }
.toast.show { opacity: 1; transform: none; }

/* ---------------------------------------------------------------- figures */
.facts { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact { padding: 28px 20px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; }
.fact b { display: block; font-size: 34px; font-weight: 750; color: var(--indigo); letter-spacing: -0.01em; }
.fact:nth-child(2) b { color: var(--green); }
.fact:nth-child(3) b { color: var(--maroon); }
.fact span { color: var(--muted); font-size: 14.5px; }

/* ---------------------------------------------------------------- sections */
.section { padding: 88px 0; }
.section.tour, .section.privacy, .section.releases { background: var(--band); }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; position: relative; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; position: relative; transition: transform 0.25s ease, border-color 0.25s ease; }
.step:hover { transform: translateY(-4px); border-color: var(--green); }
.step-n { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; background: var(--indigo); color: #fff; margin-bottom: 14px; }
:root[data-theme="dark"] .step-n { color: #111827; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .step-n { color: #111827; } }
.step p { color: var(--muted); font-size: 15px; margin: 0; }

/* tour */
.tour-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tour-tabs button { font: inherit; font-size: 15px; font-weight: 600; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--muted); cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
.tour-tabs button:hover { color: var(--ink); border-color: var(--indigo); }
.tour-tabs button[aria-selected="true"] { background: var(--indigo); border-color: var(--indigo); color: #fff; }
:root[data-theme="dark"] .tour-tabs button[aria-selected="true"] { color: #111827; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tour-tabs button[aria-selected="true"] { color: #111827; } }
.tour-grid { display: grid; grid-template-columns: 1fr 300px; gap: 28px; align-items: start; }
.frame { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 10px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.frame img { border-radius: 9px; transition: opacity 0.35s ease, transform 0.5s cubic-bezier(.2,.8,.2,1); }
.frame img.out { opacity: 0; transform: scale(0.985); }
.tour-progress { height: 4px; background: var(--band); border-radius: 4px; margin-top: 10px; overflow: hidden; }
.tour-progress span { display: block; height: 100%; width: 0; background: var(--green); }
.tour-copy { position: sticky; top: 96px; }
.tour-copy h3 { font-size: 24px; margin-bottom: 10px; }
.tour-copy p { color: var(--muted); font-size: 16.5px; }
.tour-copy.swap { animation: fadeup 0.45s ease; }
@keyframes fadeup { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* features */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card p { color: var(--muted); font-size: 15px; margin: 0; }
.ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; }
.ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ico.green { background: var(--green-soft); color: var(--green); }
.ico.indigo { background: var(--indigo-soft); color: var(--indigo); }
.ico.maroon { background: var(--maroon-soft); color: var(--maroon); }

/* privacy */
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-direction: column; gap: 14px; }
.checks li { position: relative; padding-left: 36px; color: var(--muted); }
.checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--green-soft); }
.checks li::after { content: ""; position: absolute; left: 7px; top: 8px; width: 8px; height: 5px; border-left: 2.5px solid var(--green); border-bottom: 2.5px solid var(--green); transform: rotate(-45deg); }
.vault { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }
.vault-flow { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.vault-flow li { position: relative; padding: 0 0 22px 40px; display: flex; flex-direction: column; }
.vault-flow li::before { content: ""; position: absolute; left: 9px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--card); border: 3px solid var(--indigo); z-index: 1; }
.vault-flow li::after { content: ""; position: absolute; left: 15px; top: 20px; bottom: 0; width: 2px; background: var(--line); }
.vault-flow li:last-child { padding-bottom: 0; }
.vault-flow li:last-child::before { border-color: var(--green); }
.vault-flow li:last-child::after { display: none; }
.vault-flow b { font-weight: 650; }
.vault-flow span { color: var(--muted); font-size: 14.5px; }
.vault.lit .vault-flow li::before { animation: pulse 2.4s ease infinite; }
.vault.lit .vault-flow li:nth-child(2)::before { animation-delay: 0.3s; }
.vault.lit .vault-flow li:nth-child(3)::before { animation-delay: 0.6s; }
.vault.lit .vault-flow li:nth-child(4)::before { animation-delay: 0.9s; }
@keyframes pulse { 0%, 70%, 100% { transform: scale(1); } 35% { transform: scale(1.35); } }

/* download */
.dl { display: grid; grid-template-columns: 140px 1fr; gap: 32px; align-items: start; background: var(--card); border: 2px solid var(--green); border-radius: 22px; padding: 36px; box-shadow: var(--shadow); }
.dl-mark { width: 112px; height: 112px; border-radius: 26px; animation: float 5s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.dl-facts { display: grid; grid-template-columns: auto auto 1fr; gap: 10px 28px; margin: 0 0 24px; }
.dl-facts div { display: flex; flex-direction: column; min-width: 0; }
.dl-facts dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.dl-facts dd { margin: 2px 0 0; font-weight: 600; overflow-wrap: anywhere; }
.dl-facts .wide dd { font-weight: 500; font-size: 12.5px; color: var(--muted); }

/* releases */
.timeline { list-style: none; margin: 24px 0 0; padding: 0 0 0 26px; border-left: 2px solid var(--line); display: flex; flex-direction: column; gap: 18px; }
.rel { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; }
.rel::before { content: ""; position: absolute; left: -35px; top: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--card); border: 3px solid var(--indigo); }
.rel:first-child::before { border-color: var(--green); background: var(--green); }
.rel-head { display: flex; gap: 12px; align-items: baseline; margin-bottom: 6px; }
.rel-head b { font-size: 18px; }
.rel-head span { color: var(--muted); font-size: 14px; }
.rel ul { margin: 0; padding-left: 20px; color: var(--muted); list-style: disc; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; margin: 20px 0 0; }
.about-facts dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.about-facts dd { margin: 2px 0 0; font-weight: 600; }
.parts { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.parts li { display: flex; flex-direction: column; padding: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.parts a { font-weight: 600; text-decoration: none; }
.parts span { color: var(--muted); font-size: 14px; }

.foot { border-top: 1px solid var(--line); padding: 26px 0; color: var(--muted); font-size: 14px; }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- saves for */
.works { border-bottom: 1px solid var(--line); background: var(--page); }
.works-row { display: flex; align-items: center; gap: 18px; padding-top: 18px; padding-bottom: 18px; overflow: hidden; }
.works-label { font: 600 12px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.works-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.works-list li { font-size: 14px; font-weight: 600; padding: 7px 13px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--ink); transition: border-color 0.2s ease, transform 0.2s ease; }
.works-list li:hover { border-color: var(--green); transform: translateY(-2px); }

/* ---------------------------------------------------------------- before and after */
.compare-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.pane-label { position: absolute; top: 14px; font: 600 11px/1 "Cascadia Mono", Consolas, monospace; letter-spacing: 0.14em; text-transform: uppercase; padding: 6px 9px; border-radius: 999px; }
.pane.before .pane-label { left: 16px; background: rgba(255, 255, 255, 0.12); color: #e2e8f0; }
.pane.after .pane-label { right: 16px; margin-left: 0; width: auto; background: var(--green-soft); color: var(--green); }
.pane.before pre { margin-top: 26px !important; }
.slider { position: relative; height: 360px; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--card); user-select: none; touch-action: pan-y; --cut: 34%; }
.pane { position: absolute; inset: 0; padding: 26px; }
.pane.before { background: var(--ink); color: var(--page); }
.pane.before pre { margin: 0; font-size: 13px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; color: #cbd5e1; }
:root[data-theme="dark"] .pane.before { background: #020409; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .pane.before { background: #020409; } }
.pane.after { background: var(--card); clip-path: inset(0 0 0 var(--cut)); display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.pane.after > * { margin-left: auto; width: min(100%, 360px); }
.clean-card { display: flex; align-items: center; gap: 14px; }
.avatar.big { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 18px; background: var(--green-soft); color: var(--green); flex: none; }
.clean-name { display: block; font-size: 24px; font-weight: 700; text-align: left; }
.clean-sub { color: var(--muted); font-size: 14px; }
.clean-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; }
.clean-note { color: var(--green); font-size: 14px; font-weight: 600; margin: 0; }
.handle { position: absolute; top: 0; bottom: 0; left: var(--cut); width: 0; z-index: 2; cursor: ew-resize; outline: none; }
.handle::before { content: ""; position: absolute; top: 0; bottom: 0; left: -1.5px; width: 3px; background: var(--green); }
.handle span { position: absolute; top: 50%; left: -22px; width: 44px; height: 44px; margin-top: -22px; border-radius: 50%; background: var(--green); box-shadow: 0 4px 14px rgba(21, 128, 61, 0.35); transition: transform 0.2s ease; }
.handle span::before, .handle span::after { content: ""; position: absolute; top: 15px; width: 10px; height: 10px; border-top: 3px solid #fff; border-left: 3px solid #fff; }
.handle span::before { left: 10px; transform: rotate(-45deg); }
.handle span::after { right: 10px; transform: rotate(135deg); }
.handle:hover span, .handle:focus-visible span, .slider.dragging .handle span { transform: scale(1.12); }
.handle:focus-visible span { outline: 3px solid var(--indigo); outline-offset: 3px; }

/* ---------------------------------------------------------------- questions */
.faq-wrap { max-width: 860px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.faq-list details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0 20px; transition: border-color 0.2s ease; }
.faq-list details[open] { border-color: var(--indigo); }
.faq-list summary { list-style: none; cursor: pointer; padding: 18px 34px 18px 0; font-weight: 650; font-size: 17px; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ""; position: absolute; right: 4px; top: 50%; width: 10px; height: 10px; margin-top: -7px; border-right: 2.5px solid var(--indigo); border-bottom: 2.5px solid var(--indigo); transform: rotate(45deg); transition: transform 0.25s ease, margin 0.25s ease; }
.faq-list details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.faq-list details p { color: var(--muted); margin: 0 0 18px; animation: fadeup 0.3s ease; }

/* ---------------------------------------------------------------- closing band */
.closing { background: var(--green); color: #fff; padding: 56px 0; }
.closing-row { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.closing h2 { color: #fff; margin-bottom: 6px; }
.closing p { margin: 0; color: #e7f6ec; font-size: 17px; }
:root[data-theme="dark"] .closing { background: #14532d; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .closing { background: #14532d; } }
.btn.light { background: #fff; color: #14532d; }
.btn.light:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18); }

@media (max-width: 1000px) {
  .compare-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .works-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  /* On a phone: one above the other, no handle. */
  .slider { height: auto; }
  .pane { position: relative; inset: auto; }
  .pane.after { clip-path: none; padding-top: 52px; }
  .pane.after > * { width: 100%; }
  .pane.after .pane-label { left: 18px; right: auto; width: auto; }
  .handle { display: none; }
  .drag-hint { display: none; }
  .pane { padding: 18px; }
  .pane.before pre { font-size: 11.5px; }
  .clean-name { font-size: 20px; }
  .closing { padding: 40px 0; }
}

/* ---------------------------------------------------------------- reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.7s cubic-bezier(.2,.8,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
.steps .step:nth-child(2), .cards .card:nth-child(3n+2) { transition-delay: 0.08s; }
.steps .step:nth-child(3), .cards .card:nth-child(3n) { transition-delay: 0.16s; }
.steps .step:nth-child(4) { transition-delay: 0.24s; }

/* ---------------------------------------------------------------- narrow screens */
@media (max-width: 1000px) {
  .hero-grid, .privacy-grid, .about-grid, .tour-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .tour-copy { position: static; }
  .links { display: none; }
  .top-actions { margin-left: auto; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 32px 0 48px; }
  .steps, .cards { grid-template-columns: 1fr; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .fact { border-left: 0; border-top: 1px solid var(--line); padding: 20px 8px; }
  .fact:nth-child(-n+2) { border-top: 0; }
  .fact b { font-size: 26px; }
  .demo-body { grid-template-columns: 1fr; min-height: 0; }
  .demo-side { flex-direction: row; gap: 14px; text-align: left; }
  .ring { width: 96px; height: 96px; flex: none; }
  .ring-num b { font-size: 26px; }
  .row { grid-template-columns: 34px 1fr; }
  .row .avatar { width: 34px; height: 34px; font-size: 12px; }
  .row .tag { grid-column: 2; justify-self: start; }
  .dl { grid-template-columns: 1fr; padding: 24px; }
  .dl-mark { width: 80px; height: 80px; }
  .dl-facts { grid-template-columns: 1fr 1fr; }
  .dl-facts .wide { grid-column: 1 / -1; }
  .about-facts { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .brand span { font-size: 15px; }
  .btn.big { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}