:root {
  color-scheme: light;
  --paper: #f7f9fc;
  --ink: #172033;
  --muted: #667085;
  --quiet: #98a2b3;
  --line: #e5e9f1;
  --line-strong: #d7deea;
  --blue: #1877f2;
  --blue-deep: #0d5ed0;
  --blue-soft: #edf5ff;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.wrap { width: min(calc(100% - 48px), var(--wrap)); margin-inline: auto; }

.nav {
  display: flex;
  align-items: center;
  min-height: 80px;
  gap: 36px;
  border-bottom: 1px solid rgba(215, 222, 234, 0.78);
}
.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 750;
  letter-spacing: -0.035em;
}
.brand img { width: 27px; height: 27px; }
.nav nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav nav a, .language-switch {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}
.nav nav a:hover { color: var(--blue-deep); }
.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 68px;
  height: 34px;
  padding: 0 11px;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.76);
}
.language-switch > :first-child { color: var(--blue); font-size: 15px; }
.language-switch:hover { color: var(--blue-deep); border-color: #b9d4fb; background: var(--blue-soft); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(390px, 0.82fr);
  align-items: center;
  gap: clamp(50px, 9vw, 132px);
  min-height: 685px;
  padding: 76px 4.8% 66px;
}
.hero-copy { max-width: 530px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: #53627a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.025em;
}
.eyebrow i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, #11b8dd, #3978fa 55%, #f13fa7);
  box-shadow: 0 0 0 4px rgba(43, 132, 247, 0.10);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 560px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(46px, 5.25vw, 76px);
  font-weight: 770;
  line-height: 1.05;
  letter-spacing: -0.07em;
}
h1 em {
  color: transparent;
  font-style: normal;
  background: linear-gradient(100deg, #19b9d9 0%, #3287f4 36%, #7b5df6 65%, #ee4a9d 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.lede { margin-bottom: 30px; color: var(--muted); font-size: 19px; line-height: 1.65; }
.hero-actions, .download-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 720;
  line-height: 1;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}
.button b { font-size: 18px; font-weight: 600; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 10px 22px rgba(24, 119, 242, 0.22); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 13px 27px rgba(24, 119, 242, 0.29); }
.button-secondary { color: #39475d; border-color: var(--line-strong); background: rgba(255, 255, 255, 0.8); }
.button-secondary:hover { border-color: #b6cdf2; background: #fff; }
.compatibility { margin: 21px 0 0; color: var(--quiet); font-size: 13px; font-weight: 550; }

.hero-shot { justify-self: end; width: min(100%, 430px); margin: 0; }
.hero-shot img { width: 100%; }
.shot-glow { display: none; }

.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.55);
}
.proof div { display: flex; align-items: center; gap: 15px; min-height: 88px; padding: 18px 26px; }
.proof div + div { border-left: 1px solid var(--line-strong); }
.proof b, .feature > b, .principle-card > b { color: #74a6ea; font-size: 12px; font-weight: 800; letter-spacing: 0.08em; }
.proof span { color: #44526a; font-size: 14px; font-weight: 670; }

.section { padding-top: 150px; }
.section-heading { max-width: 650px; margin-bottom: 52px; }
h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(35px, 4vw, 55px);
  font-weight: 760;
  line-height: 1.09;
  letter-spacing: -0.06em;
}
.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.82fr);
  align-items: center;
  gap: clamp(44px, 8vw, 108px);
}
.welcome-shot { margin: 0; }
.welcome-shot img { width: 100%; }
.feature-list { display: grid; }
.feature { display: grid; grid-template-columns: 46px 1fr; gap: 15px; padding: 22px 0; border-top: 1px solid var(--line); }
.feature:last-child { border-bottom: 1px solid var(--line); }
.feature > b { padding-top: 4px; }
.feature h3, .principle-card h3 { margin-bottom: 9px; color: #263348; font-size: 18px; font-weight: 740; letter-spacing: -0.025em; }
.feature p, .principle-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.principles { padding-bottom: 0; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.principle-card {
  min-height: 260px;
  padding: 8px 30px 8px 0;
}
.principle-card + .principle-card { border-left: 1px solid var(--line-strong); padding-left: 30px; }
.principle-card > b { display: block; margin-bottom: 49px; }
.principle-card h3 { font-size: 22px; }

.download { padding-bottom: 48px; }
.download-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 29px;
  padding: 42px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.download-card > img { width: 72px; height: 72px; filter: drop-shadow(0 9px 14px rgba(68, 107, 181, 0.17)); }
.download-card .eyebrow { margin-bottom: 12px; }
.download-card h2 { font-size: clamp(30px, 3.4vw, 44px); }
.download-actions { justify-content: flex-end; }
.button-light { color: #fff; background: #1a74e7; box-shadow: 0 9px 19px rgba(24, 119, 242, 0.20); }
.button-light:hover { background: var(--blue-deep); }
.download-actions p { width: 100%; margin: 1px 0 0; color: #5b6d88; font-size: 12px; font-weight: 600; text-align: center; }
.security-note { max-width: 790px; margin: 20px auto 0; color: #7b8799; font-size: 12px; line-height: 1.75; text-align: center; }

.footer { display: flex; align-items: center; gap: 22px; min-height: 110px; border-top: 1px solid var(--line-strong); }
.footer .brand { font-size: 16px; }
.footer .brand img { width: 24px; height: 24px; }
.footer p { margin: 0 auto 0 0; color: var(--quiet); font-size: 13px; }
.footer div { display: flex; gap: 18px; }
.footer div a { color: var(--muted); font-size: 13px; font-weight: 650; }
.footer div a:hover { color: var(--blue-deep); }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity 520ms ease, transform 520ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(24, 119, 242, 0.38); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr); gap: 42px; padding-inline: 0; }
  .hero-shot { width: 100%; }
  .experience-layout { gap: 48px; }
  .download-card { grid-template-columns: auto 1fr; }
  .download-actions { grid-column: 2; justify-content: flex-start; }
  .download-actions p { text-align: left; }
}
@media (max-width: 720px) {
  .wrap { width: min(calc(100% - 32px), var(--wrap)); }
  .nav { min-height: 68px; gap: 12px; }
  .nav nav { display: none; }
  .language-switch { margin-left: auto; }
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 54px; padding: 66px 0 56px; }
  .hero-shot { justify-self: center; width: min(83vw, 410px); }
  .proof { grid-template-columns: 1fr; }
  .proof div { min-height: 64px; padding: 14px 4px; }
  .proof div + div { border-top: 1px solid var(--line-strong); border-left: 0; }
  .section { padding-top: 94px; }
  .section-heading { margin-bottom: 35px; }
  .experience-layout { grid-template-columns: 1fr; gap: 42px; }
  .principle-grid { grid-template-columns: 1fr; gap: 11px; }
  .principle-card { min-height: auto; padding: 20px 0; }
  .principle-card + .principle-card { padding-left: 0; border-top: 1px solid var(--line-strong); border-left: 0; }
  .principle-card > b { margin-bottom: 31px; }
  .download { padding-bottom: 36px; }
  .download-card { grid-template-columns: 1fr; gap: 20px; padding: 31px 0; }
  .download-actions { grid-column: auto; justify-content: flex-start; }
  .footer { flex-wrap: wrap; gap: 13px 18px; padding: 26px 0; }
  .footer p { flex-basis: 100%; order: 3; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}