:root {
  --red: #ff2d2f;
  --red-dark: #c9151b;
  --red-soft: #fff1f0;
  --ink: #171923;
  --muted: #626978;
  --line: #e6e8ee;
  --panel: #ffffff;
  --paper: #f5f6f8;
  --shadow: 0 24px 80px rgba(18, 23, 34, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 12% 4%, rgba(255, 45, 47, 0.1), transparent 28%),
    linear-gradient(180deg, #fafafa 0%, var(--paper) 52%, #ffffff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.section-shell {
  width: min(1180px, calc(100vw - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 16px 0;
  border-bottom: 1px solid rgba(215, 218, 224, 0.72);
  background: rgba(245, 246, 248, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #191b22;
  font-size: 18px;
  font-weight: 850;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid rgba(226, 228, 234, 0.9);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: #575e6d;
  font-size: 14px;
  font-weight: 750;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover {
  background: var(--red-soft);
  color: var(--red-dark);
}

.install-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex: 0 0 auto;
  min-height: 54px;
  padding: 0 24px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  box-shadow: 0 18px 38px rgba(255, 45, 47, 0.25);
  color: #fff;
  font-size: 17px;
  font-weight: 850;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.install-button .chrome-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.install-button .external-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.install-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 46px rgba(255, 45, 47, 0.3);
  filter: saturate(1.04);
}

.install-button-small {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 14px;
}

.install-button-small .chrome-icon {
  width: 18px;
  height: 18px;
}

.install-button-small .external-icon {
  width: 14px;
  height: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(480px, 1.14fr);
  gap: 42px;
  align-items: center;
  padding: 74px 0 46px;
}

.hero-copy {
  display: grid;
  gap: 20px;
}

.eyebrow {
  width: fit-content;
  margin: 0;
  padding: 7px 11px;
  border: 1px solid rgba(255, 45, 47, 0.2);
  border-radius: 999px;
  background: var(--red-soft);
  color: var(--red-dark);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(42px, 5.2vw, 76px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(32px, 3.5vw, 52px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  color: #262936;
  font-size: 20px;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-text,
.section-heading p,
.demo-copy p,
.final-cta p,
.use-case-copy + .use-case-list p,
.feature-card p,
.step-card p,
.faq-list p,
.site-footer p {
  color: var(--muted);
}

.hero-text {
  max-width: 650px;
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 4px;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 54px;
  color: #333742;
  font-weight: 850;
}

.secondary-link::after {
  content: "->";
  margin-left: 8px;
  color: var(--red);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.trust-row span {
  padding: 8px 10px;
  border: 1px solid #e6e8ee;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: #515867;
  font-size: 13px;
  font-weight: 750;
}

.hero-visual {
  min-width: 0;
}

.browser-frame {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(220, 224, 232, 0.95);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 12px;
  border-bottom: 1px solid #eceff4;
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #e1e4ea;
}

.browser-bar span:first-child {
  background: #ff5f57;
}

.browser-bar span:nth-child(2) {
  background: #ffbd2e;
}

.browser-bar span:nth-child(3) {
  background: #28c840;
}

.browser-bar strong {
  margin-left: 8px;
  color: #818897;
  font-size: 12px;
}

.browser-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  object-fit: cover;
  object-position: center;
}

.floating-card {
  position: absolute;
  display: grid;
  gap: 2px;
  min-width: 188px;
  padding: 14px;
  border: 1px solid rgba(228, 231, 236, 0.9);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 44px rgba(18, 23, 34, 0.14);
  backdrop-filter: blur(12px);
}

.floating-card strong {
  color: var(--red-dark);
  font-size: 15px;
}

.floating-card span {
  color: #5d6574;
  font-size: 13px;
  font-weight: 700;
}

.floating-card-top {
  top: 82px;
  right: -20px;
}

.floating-card-bottom {
  left: -18px;
  bottom: 34px;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: min(1180px, calc(100vw - 48px));
  margin: 0 auto 34px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 14px 42px rgba(18, 23, 34, 0.06);
}

.proof-strip span {
  padding: 9px 12px;
  border-radius: 999px;
  background: #f7f8fa;
  color: #4b5261;
  font-size: 14px;
  font-weight: 800;
}

.feature-section,
.steps-section,
.faq-section,
.use-cases {
  padding: 72px 0;
}

.section-heading {
  display: grid;
  gap: 14px;
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading.compact {
  margin-bottom: 18px;
}

.section-heading p {
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.step-card,
.use-case-list article,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 14px 42px rgba(18, 23, 34, 0.06);
}

.feature-card {
  min-height: 230px;
  padding: 24px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 950;
}

.feature-card p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.65;
}

.demo-band {
  margin: 36px 0;
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(255, 45, 47, 0.08), rgba(255, 255, 255, 0.5)),
    #ffffff;
}

.demo-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(500px, 1.28fr);
  gap: 32px;
  align-items: center;
}

.demo-copy {
  display: grid;
  gap: 16px;
}

.demo-copy p:last-child {
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.7;
}

.demo-card {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
}

.demo-card img,
.demo-card video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  background: #101218;
  object-fit: cover;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step-card {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  padding: 24px;
}

.step-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--red), var(--red-dark));
}

.step-card span {
  display: block;
  margin-bottom: 46px;
  color: rgba(255, 45, 47, 0.18);
  font-size: 54px;
  font-weight: 950;
  line-height: 0.9;
}

.step-card p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.65;
}

.use-cases {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(0, 1.26fr);
  gap: 28px;
  align-items: start;
}

.use-case-copy {
  display: grid;
  gap: 16px;
}

.use-case-list {
  display: grid;
  gap: 14px;
}

.use-case-list article {
  padding: 22px;
}

.use-case-list h3 {
  margin-bottom: 6px;
}

.use-case-list p {
  margin-bottom: 0;
  line-height: 1.65;
}

.feedback-section {
  overflow: hidden;
  padding: 72px 0;
  background: #171923;
}

.feedback-section .section-heading h2 {
  color: #fff;
}

.feedback-section .eyebrow {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #ffb3b0;
}

.feedback-marquee {
  width: 100%;
  overflow: hidden;
  padding: 12px 0 6px;
}

.feedback-track {
  display: flex;
  width: max-content;
  gap: 16px;
  animation: feedback-scroll 42s linear infinite;
}

.feedback-track:hover {
  animation-play-state: paused;
}

.feedback-track article {
  display: grid;
  gap: 8px;
  width: 360px;
  min-height: 218px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.feedback-track p {
  margin-bottom: auto;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  line-height: 1.65;
}

.feedback-track strong {
  font-size: 15px;
}

.feedback-track span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

@keyframes feedback-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 0 22px;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 0;
  color: #252936;
  font-size: 18px;
  font-weight: 850;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--red);
  font-size: 22px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  max-width: 880px;
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.65;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 72px;
  padding: 34px;
  border: 1px solid rgba(255, 45, 47, 0.2);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 45, 47, 0.12), rgba(255, 255, 255, 0.82)),
    #fff;
  box-shadow: 0 22px 68px rgba(18, 23, 34, 0.08);
}

.final-cta h2 {
  margin: 12px 0 8px;
}

.final-cta p:last-child {
  margin-bottom: 0;
  font-size: 17px;
}

.final-cta .install-button {
  min-width: 176px;
  padding-inline: 28px;
}

.site-footer {
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100vw - 48px));
  margin: 0 auto;
}

.site-footer p {
  max-width: 680px;
  margin-bottom: 0;
  font-size: 13px;
  text-align: right;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

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

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

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .hero,
  .demo-inner,
  .use-cases {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demo-inner {
    gap: 24px;
  }
}

@media (max-width: 720px) {
  .section-shell,
  .site-header,
  .proof-strip,
  .footer-inner {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    gap: 12px;
  }

  .brand {
    font-size: 15px;
  }

  .install-button-small {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .hero {
    gap: 30px;
    padding: 40px 0 34px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-text {
    font-size: 16px;
  }

  .floating-card {
    position: static;
    margin-top: 10px;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .feature-section,
  .steps-section,
  .faq-section,
  .use-cases,
  .feedback-section {
    padding: 52px 0;
  }

  .demo-band {
    padding: 52px 0;
  }

  .final-cta {
    display: grid;
    padding: 24px;
  }

  .final-cta .install-button {
    width: 100%;
  }

  .footer-inner {
    display: grid;
  }

  .site-footer p {
    text-align: left;
  }
}

@media (max-width: 460px) {
  .site-header {
    align-items: flex-start;
  }

  .brand span {
    max-width: 134px;
    line-height: 1.1;
  }

  h1 {
    font-size: 36px;
  }

  .hero-actions,
  .hero-actions .install-button,
  .secondary-link {
    width: 100%;
  }

  .secondary-link {
    justify-content: center;
  }

  .browser-frame,
  .demo-card {
    padding: 6px;
    border-radius: 16px;
  }

  .browser-frame img,
  .demo-card img,
  .demo-card video {
    border-radius: 12px;
  }

  .feedback-track article {
    width: 300px;
  }
}