@font-face {
  font-family: "InterVariable";
  src: url("/static/fonts/Inter-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "InterVariable";
  src: url("/static/fonts/Inter-Variable-Italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ext-bg: #0c111b;
  --ext-bg-deep: #080c14;
  --ext-panel: #111827;
  --ext-ink: #f6f7fb;
  --ext-muted: #bac1ce;
  --ext-line: rgba(255, 255, 255, 0.13);
  --ext-card: #161d2c;
  --ext-card-line: rgba(255, 255, 255, 0.17);
  --ext-blue: #5968e8;
  --ext-cyan: #52c7ea;
  --ext-green: #22cc88;
  --ext-yellow: #f5bd42;
  --ext-red: #e77a87;
  --ext-shell: min(1180px, calc(100vw - 72px));
  --ext-radius: 16px;
  --ext-header-h: 76px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--ext-header-h) + 20px);
}

body.ext-page {
  margin: 0;
  overflow-x: hidden;
  background: var(--ext-bg);
  color: var(--ext-ink);
  font-family: "InterVariable", Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 440;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

body.ext-page::selection {
  background: var(--ext-blue);
  color: #fff;
}

body.ext-page img {
  display: block;
  max-width: 100%;
}

body.ext-page a {
  color: inherit;
}

body.ext-page button,
body.ext-page summary {
  font: inherit;
}

.ext-shell {
  width: var(--ext-shell);
  margin-inline: auto;
}

.ext-skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #fff;
  color: #0c111b !important;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
}

.ext-skip-link:focus {
  transform: translateY(0);
}

/* ---------- Header ---------- */

.ext-header {
  position: sticky;
  z-index: 50;
  top: 0;
  transition: background-color 200ms ease, border-color 200ms ease;
  border-bottom: 1px solid transparent;
}

.ext-header.is-scrolled {
  border-bottom-color: var(--ext-line);
  background: rgba(9, 13, 21, 0.82);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.ext-header__inner {
  min-height: var(--ext-header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}

.ext-brand {
  justify-self: start;
  display: inline-flex;
  text-decoration: none;
}

.ext-brand img {
  width: 100px;
  height: auto;
}

.ext-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.4vw, 36px);
}

.ext-nav a,
.ext-footer a {
  color: #c4cad5;
  font-size: 13px;
  font-weight: 540;
  text-decoration: none;
  transition: color 160ms ease;
}

.ext-nav a:hover,
.ext-footer a:hover {
  color: var(--ext-ink);
}

/* ---------- Buttons ---------- */

.ext-button {
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  appearance: none;
  background: var(--ext-blue);
  color: #fff !important;
  cursor: pointer;
  font-size: 15px;
  font-weight: 660;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.ext-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(88, 105, 238, 0.34);
}

.ext-button:focus-visible,
.ext-text-link:focus-visible,
.ext-product-frame:focus-visible,
.ext-faq summary:focus-visible,
.ext-nav a:focus-visible,
.ext-footer a:focus-visible {
  outline: 2px solid var(--ext-cyan);
  outline-offset: 4px;
}

.ext-button img {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.ext-button--compact {
  justify-self: end;
  min-height: 40px;
  padding-inline: 18px;
  font-size: 13px;
}

/* The primary install button, deliberately oversized: it is the page's only goal. */
.ext-button--primary {
  min-height: 68px;
  padding-inline: 34px;
  font-size: clamp(17px, 1.5vw, 19px);
  letter-spacing: -0.01em;
  box-shadow: 0 18px 48px rgba(55, 73, 211, 0.32);
}

.ext-button--primary img {
  width: 26px;
  height: 26px;
}

.ext-button--light {
  background: #fff;
  color: #0d1220 !important;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.ext-button--light:hover {
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.22);
}

.ext-cta-block {
  margin-top: 28px;
}

.ext-cta-note {
  margin: 15px 0 0;
  color: #838c9d;
  font-size: 13px;
}

.ext-cta-block--center {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ext-mobile-handoff {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.ext-cta-block--center .ext-mobile-handoff {
  align-items: center;
}

.ext-share-status {
  min-height: 18px;
  color: var(--ext-green);
  font-size: 13px;
}

.ext-text-link {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ext-cyan) !important;
  font-size: 14px;
  font-weight: 580;
  text-decoration: none;
  transition: gap 160ms ease;
}

.ext-text-link:hover {
  gap: 13px;
}

/* ---------- Section titles ---------- */

.ext-section-title {
  margin: 0 0 44px;
  font-size: clamp(32px, 3.6vw, 46px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

/* ---------- Hero ---------- */

.ext-hero {
  position: relative;
  padding: clamp(38px, 3.6vw, 60px) 0 clamp(80px, 9vw, 118px);
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 78% 34%, rgba(89, 104, 232, 0.2), transparent 34%),
    var(--ext-bg-deep);
  background-size: 72px 72px, 72px 72px, auto, auto;
  margin-top: calc(var(--ext-header-h) * -1);
  padding-top: calc(var(--ext-header-h) + clamp(38px, 3.6vw, 60px));
}

.ext-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -60px;
  left: -12%;
  height: 280px;
  background: linear-gradient(90deg, #313d9f, var(--ext-blue) 54%, #3186a5);
  filter: blur(70px);
  opacity: 0.22;
  transform: rotate(-4deg);
  pointer-events: none;
}

.ext-hero__glow {
  position: absolute;
  top: 2%;
  left: 50%;
  margin-left: -310px;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(82, 199, 234, 0.075), transparent 68%);
  pointer-events: none;
  transform: translate3d(calc(var(--spot-x, 0) * 14px), calc(var(--spot-y, 0) * 14px), 0);
  transition: transform 240ms ease-out;
}

.ext-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.ext-hero h1 {
  max-width: 900px;
  margin: 0 auto 16px;
  font-size: clamp(40px, 4.6vw, 62px);
  font-weight: 620;
  letter-spacing: -0.038em;
  line-height: 1.06;
}

.ext-hero h1 em,
.ext-final h2 em {
  color: var(--ext-cyan);
  font-style: normal;
  font-weight: 620;
}

.ext-hero__lede {
  max-width: 620px;
  margin: 0 auto;
  color: var(--ext-muted);
  font-size: clamp(17px, 1.35vw, 19px);
  line-height: 1.6;
}

/* Reaches past the shell on both sides: the capture is 2.4:1 and needs the width. */
.ext-hero__visual {
  position: relative;
  width: min(1240px, calc(100vw - 80px));
  margin-top: clamp(24px, 2.4vw, 40px);
}

/* ---------- Product frames ---------- */

.ext-product-frame {
  position: relative;
  width: 100%;
  padding: 0;
  border: 1px solid rgba(89, 104, 232, 0.3);
  border-radius: var(--ext-radius);
  overflow: hidden;
  appearance: none;
  background: #101724;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.44);
  color: #fff;
  cursor: zoom-in;
  text-align: left;
  transform: translateZ(0);
}

.ext-product-frame img {
  width: 100%;
  height: auto;
  transition: transform 650ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.ext-product-frame:hover img {
  transform: scale(1.015);
}

.ext-product-frame--hero {
  box-shadow: 0 46px 120px rgba(0, 0, 0, 0.5);
}

.ext-expand-label {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 13px;
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 999px;
  background: rgba(8, 12, 20, 0.8);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 11px;
  font-weight: 640;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.ext-product-frame:hover .ext-expand-label,
.ext-product-frame:focus-visible .ext-expand-label {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Feature rows ---------- */

.ext-features {
  padding: 0;
}

.ext-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(44px, 6vw, 90px);
  padding: clamp(48px, 6vw, 82px) 0;
  min-height: 560px;
  border-top: 1px solid var(--ext-line);
}

.ext-feature--wide-media {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
}

/* Media keeps the wide column when the row flips, so it stays the same size either way. */
.ext-feature--reverse {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
}

.ext-feature--reverse .ext-feature__copy {
  order: 2;
}

.ext-feature--reverse .ext-feature__media {
  order: 1;
}

.ext-feature h2 {
  margin: 0 0 20px;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 610;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.ext-feature__copy > p {
  max-width: 480px;
  margin: 0;
  color: var(--ext-muted);
  font-size: 17px;
  line-height: 1.65;
}

/* Portrait captures: cap the height and fade the cut edge so it reads as "continues". */
.ext-feature__media--tall .ext-product-frame,
.ext-feature__media--tall-bottom .ext-product-frame {
  max-width: 600px;
  margin-inline: auto;
}

.ext-feature__media--tall .ext-product-frame img,
.ext-feature__media--tall-bottom .ext-product-frame img {
  height: 640px;
  object-fit: cover;
}

.ext-feature__media--tall .ext-product-frame img {
  object-position: top;
  -webkit-mask-image: linear-gradient(#000 76%, transparent 100%);
  mask-image: linear-gradient(#000 76%, transparent 100%);
}

/* The verdict block sits at the bottom of this capture, so anchor there and fade the top. */
.ext-feature__media--tall-bottom .ext-product-frame img {
  object-position: bottom;
  -webkit-mask-image: linear-gradient(transparent 0%, #000 18%);
  mask-image: linear-gradient(transparent 0%, #000 18%);
}

.ext-feature__media--narrow .ext-product-frame {
  max-width: 480px;
  margin-inline: auto;
}

.ext-verdicts {
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.ext-verdict {
  padding: 8px 13px;
  border: 1px solid;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 690;
  letter-spacing: 0.03em;
}

.ext-verdict--supported {
  border-color: rgba(34, 204, 136, 0.34);
  background: rgba(34, 204, 136, 0.1);
  color: #6ce1b2;
}

.ext-verdict--mixed {
  border-color: rgba(245, 189, 66, 0.34);
  background: rgba(245, 189, 66, 0.09);
  color: #f4cf77;
}

.ext-verdict--refuted {
  border-color: rgba(231, 122, 135, 0.36);
  background: rgba(231, 122, 135, 0.1);
  color: #f0a1ab;
}

.ext-verdict--unknown {
  border-color: rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.05);
  color: #c0c6d0;
}

/* ---------- Mid-page CTA band ---------- */

.ext-band {
  padding: clamp(70px, 8vw, 110px) 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(89, 104, 232, 0.2), transparent 55%),
    var(--ext-bg-deep);
  border-block: 1px solid var(--ext-line);
}

.ext-band__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ext-band__art {
  width: min(880px, 100%);
  height: auto;
  margin-bottom: 44px;
  border: 1px solid rgba(89, 104, 232, 0.3);
  border-radius: var(--ext-radius);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.44);
}

.ext-band .ext-cta-block {
  margin-top: 0;
}

/* ---------- Comparison table ---------- */

.ext-compare {
  padding: clamp(70px, 7vw, 104px) 0;
}

/* Title tracks the narrowed table so the section reads as one centred block. */
.ext-compare .ext-section-title {
  max-width: 990px;
  margin-inline: auto;
}


/* Overflow stays visible so the Gistilo column can lift out of the table.
   Nothing inside paints its own background except that column, so the
   container's rounded corners survive without clipping. */
.ext-compare__grid {
  display: grid;
  grid-template-columns: minmax(176px, 0.4fr) minmax(0, 1fr) minmax(0, 1.72fr);
  max-width: 990px;
  margin-inline: auto;
  border: 1px solid var(--ext-card-line);
  border-radius: var(--ext-radius);
  background: var(--ext-card);
}

.ext-compare__head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--ext-line);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ext-compare__head--basic {
  color: #8f97a6;
}

/* The featured column: one card spanning every row, raised above the table at
   both ends. Built per cell rather than as an overlay, because an explicitly
   placed grid item would push the auto-placed cells out of their columns. */
.ext-compare__head--gistilo,
.ext-compare__cell--gistilo {
  margin-right: -12px;
  border-right: 1px solid rgba(120, 136, 255, 0.55);
  border-left: 1px solid rgba(120, 136, 255, 0.55);
  background: #262e5c;
}

.ext-compare__head--gistilo {
  margin-top: -20px;
  padding-top: 38px;
  border-top: 1px solid rgba(120, 136, 255, 0.55);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  border-radius: 15px 15px 0 0;
  color: #dfe3ff;
  font-size: 14px;
}

.ext-compare__legend {
  display: none;
}

.ext-compare__topic {
  padding: 20px 22px;
  border-bottom: 1px solid var(--ext-line);
  color: #f1f3f7;
  font-size: 14px;
  font-weight: 620;
}

.ext-compare__cell {
  padding: 20px 22px;
  border-bottom: 1px solid var(--ext-line);
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 14px;
  line-height: 1.55;
}

.ext-compare__cell svg {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex: 0 0 auto;
}

.ext-compare__cell--basic {
  color: #949cab;
}

.ext-compare__cell--basic svg {
  color: var(--ext-red);
}

.ext-compare__cell--gistilo {
  border-bottom-color: rgba(255, 255, 255, 0.12);
  color: #f2f4fa;
  font-size: 15px;
  font-weight: 520;
}

.ext-compare__cell--last {
  margin-bottom: -20px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(120, 136, 255, 0.55);
  border-radius: 0 0 15px 15px;
}

.ext-compare__cell--gistilo svg {
  color: var(--ext-green);
}

.ext-compare__grid > :nth-last-child(-n + 3):not(.ext-compare__cell--last) {
  border-bottom: 0;
}

.ext-compare__tag {
  display: none;
}

/* ---------- Mid-tour CTA strip ---------- */

/* Horizontal, and slimmer than the two centred bands, so a third install
   prompt does not read as a repeat of them. */
.ext-strip {
  padding: 22px 0 clamp(70px, 7vw, 104px);
}

.ext-strip__inner {
  max-width: 940px;
  margin-inline: auto;
  padding: 26px 30px;
  border: 1px solid rgba(120, 136, 255, 0.55);
  border-radius: var(--ext-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  background: #262e5c;
}

.ext-strip h2 {
  margin: 0 0 6px;
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 620;
  letter-spacing: -0.03em;
}

.ext-strip p {
  max-width: 520px;
  margin: 0;
  color: #c8cef2;
  font-size: 15px;
  line-height: 1.6;
}

.ext-strip .ext-cta-block {
  margin-top: 0;
  flex: 0 0 auto;
  text-align: center;
}

.ext-strip .ext-cta-note {
  color: #a7b0ff;
}

/* ---------- Testimonials ---------- */

.ext-testimonials {
  padding: clamp(70px, 7vw, 104px) 0;
  background: var(--ext-bg-deep);
  border-block: 1px solid var(--ext-line);
}

.ext-testimonials__grid {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  list-style: none;
}

.ext-testimonial {
  padding: 22px;
  border: 1px solid var(--ext-card-line);
  border-radius: var(--ext-radius);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--ext-card);
}

.ext-testimonial > img {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 50%;
  object-fit: cover;
}

.ext-testimonial__headline {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 640;
  line-height: 1.35;
}

.ext-testimonial__body {
  margin: 0 0 11px;
  color: var(--ext-muted);
  font-size: 14px;
  line-height: 1.6;
}

.ext-testimonial__meta {
  margin: 0;
  color: #7f8798;
  font-size: 12px;
}

/* ---------- Steps ---------- */

.ext-steps {
  padding: clamp(70px, 7vw, 104px) 0;
}

.ext-steps__grid {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  list-style: none;
}

.ext-steps__grid li {
  position: relative;
  z-index: 1;
  padding: 28px 26px 30px;
  border: 1px solid var(--ext-card-line);
  border-radius: var(--ext-radius);
  background: var(--ext-card);
  transition: transform 200ms ease, border-color 200ms ease;
}

/* One complete arrow per gap, held at icon height so it threads the three brand
   marks rather than the card boxes. Shaft and head are one colour by construction. */
.ext-steps__grid li:not(:last-child)::before,
.ext-steps__grid li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 2;
  color: var(--ext-cyan);
  opacity: 0.8;
}

.ext-steps__grid li:not(:last-child)::before {
  top: 53px;
  right: -32px;
  width: 32px;
  height: 1.5px;
  background: currentColor;
}

.ext-steps__grid li:not(:last-child)::after {
  top: 48.5px;
  right: -30px;
  width: 10px;
  height: 10px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.ext-steps__grid li:hover {
  border-color: rgba(120, 136, 255, 0.45);
  transform: translateY(-3px);
}

/* The payoff step, in the same blue as the featured comparison column. */
.ext-steps__grid li:last-child {
  border-color: rgba(120, 136, 255, 0.55);
  background: #262e5c;
}

.ext-step__top {
  display: flex;
}

.ext-step__icon {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border-radius: 15px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.ext-step__icon--chrome {
  background: #fff;
}

.ext-step__icon--youtube {
  background: #1c0d14;
}

.ext-step__icon--youtube svg {
  width: 32px;
  height: 22px;
}

.ext-step__icon--gistilo img {
  width: 52px;
  height: 52px;
}

/* Sits directly above the heading it labels, so the card reads as one
   left-aligned column: icon, step, title, detail. */
.ext-step__num {
  margin: 26px 0 7px;
  display: block;
  color: #8f97a6;
  font-size: 11px;
  font-weight: 720;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ext-steps__grid li:last-child .ext-step__num {
  color: #a7b0ff;
}

.ext-steps__grid h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 630;
  letter-spacing: -0.025em;
}

.ext-steps__grid p {
  margin: 0;
  color: var(--ext-muted);
  font-size: 14px;
  line-height: 1.65;
}

.ext-steps__grid li:last-child p {
  color: #c8cef2;
}

/* ---------- FAQ ---------- */

.ext-faq {
  padding: clamp(70px, 7vw, 104px) 0;
}

.ext-faq__items {
  padding: 4px 26px;
  border: 1px solid var(--ext-card-line);
  border-radius: var(--ext-radius);
  background: var(--ext-card);
}

.ext-faq details {
  border-bottom: 1px solid var(--ext-line);
}

.ext-faq details:last-child {
  border-bottom: 0;
}

.ext-faq summary {
  min-height: 72px;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  color: #f1f3f7;
  cursor: pointer;
  font-size: 17px;
  font-weight: 580;
  list-style: none;
}

.ext-faq summary::-webkit-details-marker {
  display: none;
}

.ext-faq summary span {
  position: relative;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.ext-faq summary span::before,
.ext-faq summary span::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 13px;
  height: 1px;
  background: #929aa9;
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.ext-faq summary span::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.ext-faq details[open] summary span::after {
  transform: translate(-50%, -50%) rotate(0);
}

.ext-faq details > p {
  max-width: 720px;
  margin: -4px 0 26px;
  color: #bfc6d2;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- Final CTA ---------- */

.ext-final {
  position: relative;
  padding: clamp(80px, 9vw, 130px) 0;
  overflow: hidden;
  text-align: center;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(135deg, #3948bd, var(--ext-blue) 56%, #3289a7);
  background-size: 68px 68px, 68px 68px, auto;
}

.ext-final__noise {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.ext-final__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ext-final h2 {
  margin: 0 0 20px;
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 630;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.ext-final h2 em {
  color: #b9efff;
}

.ext-final > .ext-shell > p,
.ext-final__inner > p {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  line-height: 1.6;
}

.ext-final .ext-cta-note {
  color: rgba(255, 255, 255, 0.68);
}

/* ---------- Footer ---------- */

.ext-footer {
  padding: 34px 0;
  border-top: 1px solid var(--ext-line);
  background: var(--ext-bg-deep);
}

.ext-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
}

.ext-brand--footer img {
  width: 88px;
}

.ext-footer p {
  margin: 0;
  color: #6f7787;
  font-size: 12px;
}

.ext-footer nav {
  justify-self: end;
  display: flex;
  gap: 24px;
}

/* ---------- Lightbox ---------- */

.ext-lightbox {
  width: min(1080px, calc(100vw - 48px));
  max-width: none;
  max-height: calc(100vh - 48px);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  overflow: visible;
  background: #0b101a;
  color: #fff;
  box-shadow: 0 44px 130px rgba(0, 0, 0, 0.7);
}

.ext-lightbox::backdrop {
  background: rgba(2, 5, 10, 0.84);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.ext-lightbox img {
  width: 100%;
  max-height: calc(100vh - 110px);
  border-radius: 17px 17px 0 0;
  object-fit: contain;
}

.ext-lightbox p {
  margin: 0;
  padding: 14px 20px 16px;
  color: var(--ext-muted);
  font-size: 12px;
}

.ext-lightbox__close {
  position: absolute;
  z-index: 3;
  top: -14px;
  right: -14px;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #171d28;
  color: #fff;
  cursor: pointer;
  font-size: 23px;
  line-height: 1;
}

/* ---------- Reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms cubic-bezier(0.2, 0.75, 0.25, 1),
    transform 700ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

[data-reveal-delay="1"] {
  transition-delay: 100ms;
}

[data-reveal-delay="2"] {
  transition-delay: 200ms;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  :root {
    --ext-shell: min(100% - 48px, 900px);
  }

  /* Basic AI cells wrap to two lines below this width on the desktop ratio. */
  .ext-compare__grid {
    grid-template-columns: minmax(176px, 0.4fr) minmax(0, 0.85fr) minmax(0, 1.25fr);
  }

  .ext-hero__visual {
    width: 100%;
  }

  .ext-feature,
  .ext-feature--reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    min-height: 0;
  }

  .ext-feature__copy,
  .ext-feature--reverse .ext-feature__copy {
    order: 1;
  }

  .ext-feature__media,
  .ext-feature--reverse .ext-feature__media {
    order: 2;
  }

  .ext-feature__copy > p {
    max-width: none;
  }

  .ext-testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  :root {
    --ext-shell: calc(100% - 36px);
    --ext-radius: 13px;
    --ext-header-h: 62px;
  }

  .ext-header__inner {
    grid-template-columns: 1fr auto;
  }

  .ext-brand img {
    width: 90px;
  }

  .ext-nav {
    display: none;
  }

  body.is-mobile .ext-header .ext-install {
    display: none;
  }

  .ext-hero {
    background-size: 46px 46px, 46px 46px, auto, auto;
  }

  .ext-hero h1 {
    font-size: clamp(32px, 8.6vw, 42px);
  }

  .ext-hero {
    padding-bottom: 56px;
  }

  .ext-hero__lede {
    font-size: 16px;
  }

  /* The panel is unreadable at phone width. Crop to it, keeping the right edge
     of the video so it still reads as sitting inside YouTube. */
  .ext-product-frame--hero img {
    height: 330px;
    object-fit: cover;
    object-position: right center;
  }

  .ext-button--primary {
    width: 100%;
    min-height: 62px;
    padding-inline: 20px;
    font-size: 16px;
  }

  .ext-cta-block--center .ext-button--primary,
  .ext-cta-block--center .ext-mobile-handoff {
    width: 100%;
  }

  .ext-expand-label {
    display: none;
  }

  .ext-feature__media--tall .ext-product-frame img,
  .ext-feature__media--tall-bottom .ext-product-frame img {
    height: 440px;
  }

  .ext-band__art {
    margin-bottom: 32px;
  }

  /* Stacked pairs, matching the main landing page: the topic label leads its
     pair, the Basic AI line sits flat and muted, and only the Gistilo line
     keeps a tinted box, so the eye lands on the winning half first. Keeping
     each limitation beside its answer avoids making readers remember details
     across two long, separate lists. */
  .ext-compare__grid {
    grid-template-columns: 1fr;
    padding: 4px 14px 18px;
  }

  .ext-compare__head {
    display: none;
  }

  /* The legend replaces the header row; the per-cell tags go screen-reader only. */
  .ext-compare__legend {
    margin-top: 14px;
    padding-bottom: 13px;
    border-bottom: 1px solid var(--ext-line);
    display: flex;
    flex-wrap: wrap;
    gap: 7px 18px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .ext-compare__legend-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #f0a1ab;
  }

  .ext-compare__legend-item svg {
    width: 13px;
    height: 13px;
    flex: 0 0 auto;
  }

  .ext-compare__legend-item--gistilo {
    color: #c3caff;
  }

  .ext-compare__legend-item--gistilo svg {
    width: 15px;
    height: 15px;
    padding: 3px;
    border-radius: 999px;
    background: var(--ext-green);
    color: #06281e;
  }

  /* ~28px between pairs against ~6px inside one, so a label reads as belonging
     to the two lines under it. */
  .ext-compare__topic {
    margin-top: 28px;
    padding: 0 13px 5px 2px;
    border: 0;
    color: #e2e8f0;
    font-size: 13px;
    font-weight: 780;
    letter-spacing: 0.05em;
    line-height: 1.3;
    text-transform: uppercase;
  }

  /* The legend's own rule already closes the top of the first pair. */
  .ext-compare__legend + .ext-compare__topic {
    margin-top: 16px;
  }

  .ext-compare__cell {
    gap: 10px;
    padding: 0;
    border: 0;
    background: none;
    font-size: 14.5px;
    line-height: 1.5;
  }

  /* Shares the Gistilo box's 13px inset so both marks sit on one rail. */
  .ext-compare__cell--basic {
    padding: 0 13px 6px;
    color: #949cab;
  }

  .ext-compare__cell--gistilo {
    margin-right: 0;
    padding: 11px 13px;
    border: 1px solid rgba(34, 204, 136, 0.26);
    border-radius: 12px;
    background: rgba(34, 204, 136, 0.09);
    box-shadow: none;
    color: #eef1f7;
    font-weight: 500;
  }

  /* The tick carries the "this is the good one" cue once the column tint is gone. */
  .ext-compare__cell--gistilo svg {
    width: 16px;
    height: 16px;
    margin-top: 2.5px;
    padding: 3.5px;
    border-radius: 999px;
    background: var(--ext-green);
    color: #06281e;
    stroke-width: 3.2;
  }

  .ext-compare__cell--last {
    margin-bottom: 0;
    border-radius: 12px;
  }

  /* Announced to screen readers, but the legend carries the labels visually. */
  .ext-compare__tag {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .ext-strip__inner {
    padding: 22px;
    align-items: stretch;
    flex-direction: column;
    gap: 22px;
  }

  .ext-strip .ext-cta-block {
    text-align: left;
  }

  .ext-testimonials__grid,
  .ext-steps__grid {
    grid-template-columns: 1fr;
  }

  .ext-steps__grid li:not(:last-child)::before,
  .ext-steps__grid li:not(:last-child)::after {
    display: none;
  }

  .ext-faq__items {
    padding: 2px 18px;
  }

  .ext-faq summary {
    min-height: 64px;
    font-size: 16px;
  }

  .ext-footer__inner {
    grid-template-columns: 1fr auto;
    gap: 22px;
  }

  .ext-footer p {
    justify-self: end;
  }

  .ext-footer nav {
    grid-column: 1 / -1;
    justify-self: start;
    flex-wrap: wrap;
  }

  .ext-lightbox {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}