:root {
  --ink: #121725;
  --muted: #657084;
  --line: rgba(18, 23, 37, 0.12);
  --paper: #ffffff;
  --blue: #246bfe;
  --cyan: #20c8d8;
  --coral: #ff7a59;
  --lime: #a8e94b;
  --graphite: #182033;
  --soft: #f5fbff;
  --shadow: 0 28px 84px rgba(28, 80, 148, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: #fbfdff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

button,
a {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(251, 253, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: var(--ink);
  text-decoration: none;
  font-size: 21px;
  font-weight: 950;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan) 55%, var(--coral));
  box-shadow: 0 14px 34px rgba(36, 107, 254, 0.26);
  font-size: 15px;
  font-weight: 950;
}

nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 850;
}

nav a:hover {
  color: var(--blue);
}

.top-download,
.download-btn {
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan) 52%, var(--coral));
  box-shadow: 0 18px 42px rgba(36, 107, 254, 0.28);
  font-weight: 950;
  cursor: pointer;
}

.top-download {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
}

.download-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 68px;
  min-width: 258px;
  padding: 0 34px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  font-size: 18px;
  box-shadow:
    0 22px 46px rgba(36, 107, 254, 0.32),
    0 0 0 8px rgba(32, 200, 216, 0.12);
}

.download-btn::after {
  content: "";
  position: absolute;
  inset: -9px;
  z-index: -1;
  border-radius: inherit;
  background: rgba(36, 107, 254, 0.15);
  animation: pulse 1.8s ease-out infinite;
}

.spark-icon {
  position: relative;
  width: 19px;
  height: 19px;
}

.spark-icon::before,
.spark-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: currentColor;
}

.spark-icon::before {
  width: 4px;
  height: 19px;
  border-radius: 4px;
}

.spark-icon::after {
  width: 19px;
  height: 4px;
  border-radius: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(390px, 0.98fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(38px, 7vw, 92px) clamp(18px, 5vw, 72px);
  background:
    radial-gradient(circle at 18% 20%, rgba(168, 233, 75, 0.2), transparent 28%),
    radial-gradient(circle at 82% 14%, rgba(32, 200, 216, 0.22), transparent 30%),
    linear-gradient(135deg, #f7fbff, #f4fffd 48%, #fff8f4);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4.4vw, 62px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.lede,
.section-copy p,
.feature-grid p,
.cta p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
}

.trust-note {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.hero-visual,
.tools-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-visual img,
.tools-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.quick-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-strip div {
  padding: 28px clamp(18px, 4vw, 40px);
  background: #ffffff;
}

.quick-strip strong,
.quick-strip span {
  display: block;
}

.quick-strip strong {
  color: var(--graphite);
  font-size: 28px;
}

.quick-strip span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

.tools {
  display: grid;
  grid-template-columns: minmax(320px, 0.96fr) minmax(0, 0.86fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
  padding: clamp(64px, 9vw, 120px) clamp(18px, 5vw, 72px);
  background: #ffffff;
}

.section-copy {
  max-width: 650px;
}

.check-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 38px;
  color: #344058;
  font-size: 17px;
  line-height: 1.55;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.check-list li::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  width: 8px;
  height: 4px;
  border-left: 2px solid #ffffff;
  border-bottom: 2px solid #ffffff;
  transform: rotate(-45deg);
}

.features {
  padding: clamp(64px, 9vw, 118px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(180deg, rgba(245, 251, 255, 0.96), rgba(255, 248, 244, 0.8)),
    #f8fcff;
}

.section-head {
  max-width: 840px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 52px rgba(28, 80, 148, 0.08);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: 16px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-size: 22px;
  font-weight: 950;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.88fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  padding: clamp(64px, 9vw, 120px) clamp(18px, 5vw, 72px);
  color: #ffffff;
  background:
    radial-gradient(circle at 86% 18%, rgba(32, 200, 216, 0.34), transparent 34%),
    linear-gradient(135deg, #111827, #17213a 54%, #0a4853);
}

.workflow .eyebrow {
  color: #9ff5ff;
}

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

.workflow-list div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.workflow-list strong,
.workflow-list span {
  display: block;
}

.workflow-list strong {
  margin-bottom: 7px;
  font-size: 18px;
}

.workflow-list span {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.58;
}

.cta {
  display: grid;
  place-items: center;
  text-align: center;
  padding: clamp(68px, 10vw, 128px) 18px;
  background:
    radial-gradient(circle at 50% 22%, rgba(36, 107, 254, 0.18), transparent 34%),
    linear-gradient(135deg, #f7fbff, #fff9f4);
}

.cta h2 {
  max-width: 860px;
}

.cta p {
  max-width: 620px;
  margin-bottom: 30px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: #ffffff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

footer span:first-child {
  color: var(--ink);
  font-weight: 950;
}

.mobile-download-bar {
  display: none;
}

@keyframes pulse {
  0% {
    opacity: 0.62;
    transform: scale(0.96);
  }

  70% {
    opacity: 0;
    transform: scale(1.1);
  }

  100% {
    opacity: 0;
    transform: scale(1.1);
  }
}

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

  .hero,
  .tools,
  .workflow {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 620px) {
  body {
    padding-bottom: 92px;
  }

  .topbar {
    gap: 12px;
    min-height: 68px;
    padding: 12px 14px;
  }

  .brand {
    font-size: 18px;
  }

  .logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 13px;
  }

  .top-download {
    flex: 0 0 auto;
    min-height: 40px;
    min-width: 104px;
    margin-left: auto;
    padding: 0 14px;
  }

  h1 {
    font-size: 41px;
    line-height: 0.98;
  }

  h2 {
    font-size: 34px;
  }

  .hero,
  .tools,
  .features,
  .workflow {
    padding-right: 16px;
    padding-left: 16px;
  }

  .hero {
    gap: 24px;
    padding-top: 26px;
  }

  .lede,
  .section-copy p,
  .feature-grid p,
  .cta p {
    font-size: 16px;
    line-height: 1.62;
  }

  .hero-visual,
  .tools-visual {
    border-radius: 18px;
  }

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

  .quick-strip div {
    padding: 20px 18px;
  }

  .hero-actions {
    align-items: stretch;
    gap: 12px;
    margin-top: 24px;
  }

  .download-btn {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    min-height: 66px;
    padding: 0 22px;
    font-size: 17px;
  }

  .download-btn::after {
    inset: -7px 0;
  }

  .trust-note {
    width: 100%;
    text-align: center;
    white-space: normal;
  }

  .tools,
  .features,
  .workflow,
  .cta {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .feature-grid article {
    padding: 22px;
  }

  .mobile-download-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 40;
    display: block;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
    background: rgba(251, 253, 255, 0.92);
    border-top: 1px solid rgba(18, 23, 37, 0.14);
    box-shadow: 0 -16px 36px rgba(18, 23, 37, 0.12);
    backdrop-filter: blur(18px);
  }

  .mobile-download-bar .download-btn {
    min-height: 58px;
  }

  footer {
    flex-direction: column;
  }
}