:root {
  --snow: #f7fbfe;
  --ice: #e7f5ff;
  --blue: #078cf5;
  --blue-deep: #0069d7;
  --ink: #07182d;
  --muted: #617288;
  --line: rgba(29, 80, 124, 0.14);
  --glass: rgba(255, 255, 255, 0.66);
  --display: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--snow);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 12%, rgba(109, 205, 255, 0.26), transparent 30rem),
    linear-gradient(180deg, #ffffff 0, var(--snow) 43rem, #edf8ff 100%);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid rgba(0, 105, 215, 0.42);
  outline-offset: 4px;
  border-radius: 0.35rem;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  text-decoration: none;
}

.skip-link:focus { top: 1rem; }

.nav {
  width: min(76rem, calc(100% - 2rem));
  min-height: 5.5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 760;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand img {
  width: 2.1rem;
  height: 2.1rem;
  filter: drop-shadow(0 0.35rem 0.55rem rgba(0, 105, 215, 0.16));
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover { color: var(--ink); }

.hero {
  width: min(76rem, calc(100% - 2rem));
  min-height: calc(100svh - 5.5rem);
  margin: 0 auto;
  padding: 5rem 0 7rem;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(28rem, 1.08fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 7rem);
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: #26bc75;
  box-shadow: 0 0 0 0.25rem rgba(38, 188, 117, 0.12);
}

h1, h2, h3 {
  margin-top: 0;
  font-family: var(--display);
  letter-spacing: -0.045em;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3.8rem, 7.1vw, 6.8rem);
  font-weight: 780;
  line-height: 0.9;
}

h1 em {
  color: var(--blue);
  font-style: normal;
  font-weight: 560;
}

.lede {
  max-width: 34rem;
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  align-items: center;
  gap: 1rem 1.25rem;
  flex-wrap: wrap;
}

.download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-height: 3.45rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 1.15rem;
  background: linear-gradient(180deg, #18a2ff, var(--blue));
  box-shadow: 0 0.8rem 1.8rem rgba(0, 105, 215, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  color: white;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.download:hover {
  transform: translateY(-2px);
  box-shadow: 0 1rem 2.2rem rgba(0, 105, 215, 0.29), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.download svg {
  width: 1.2rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.download-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.clean-stage {
  position: relative;
  min-height: 34rem;
  display: grid;
  place-items: center;
  perspective: 1000px;
}

.aura {
  position: absolute;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(42, 177, 255, 0.33), rgba(42, 177, 255, 0) 68%);
  filter: blur(6px);
}

.keyboard {
  position: absolute;
  width: min(34rem, 92%);
  aspect-ratio: 1.52;
  bottom: 2.5rem;
  padding: 2.6rem 2.3rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 2.3rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(197, 231, 250, 0.42));
  box-shadow: 0 2.6rem 5rem rgba(45, 97, 133, 0.23), inset 0 1px 0 white;
  transform: rotateX(58deg) rotateZ(-8deg);
  transform-style: preserve-3d;
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 0.55rem;
}

.key-row i {
  width: 2.6rem;
  height: 2.5rem;
  border: 1px solid rgba(126, 178, 211, 0.34);
  border-radius: 0.72rem;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 0.3rem 0.5rem rgba(74, 122, 153, 0.12), inset 0 1px 0 white;
}

.row-two { transform: translateX(0.45rem); }
.row-three { transform: translateX(0.9rem); }
.key-row i.space { width: 9.2rem; }

.clean-sweep {
  position: absolute;
  top: -30%;
  bottom: -30%;
  width: 42%;
  left: -55%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.94), rgba(151, 227, 255, 0.55), transparent);
  filter: blur(2px);
  transform: skewX(-10deg);
  animation: clean-pass 4.6s cubic-bezier(0.5, 0, 0.2, 1) 1s infinite;
}

@keyframes clean-pass {
  0%, 18% { left: -55%; opacity: 0; }
  25% { opacity: 1; }
  66% { opacity: 1; }
  78%, 100% { left: 120%; opacity: 0; }
}

.hero-icon {
  position: relative;
  z-index: 2;
  width: clamp(10rem, 22vw, 14rem);
  margin-top: -7rem;
  filter: drop-shadow(0 2rem 2.4rem rgba(0, 81, 174, 0.28));
  animation: float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-0.7rem) rotate(1deg); }
}

.status-pill {
  position: absolute;
  z-index: 3;
  bottom: 3.4rem;
  right: 2.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 999px;
  background: var(--glass);
  box-shadow: 0 0.8rem 1.8rem rgba(55, 101, 130, 0.18), inset 0 1px 0 white;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  color: #29465f;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
}

.status-pill i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #26bc75;
  box-shadow: 0 0 0 0.24rem rgba(38, 188, 117, 0.12);
}

.proof {
  width: min(76rem, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}

.proof p {
  margin: 0;
  padding: 1.8rem clamp(1rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.proof p + p { border-left: 1px solid var(--line); }
.proof strong { font-family: var(--display); font-size: 1rem; }
.proof span { color: var(--muted); font-size: 0.85rem; }

.steps {
  width: min(68rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 9rem 0;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(3rem, 8vw, 8rem);
}

.steps h2,
.final-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1;
}

.steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.steps li {
  padding: 1.65rem 0;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.steps li > span {
  color: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 800;
}

.steps h3 {
  margin-bottom: 0.45rem;
  font-size: 1.25rem;
}

.steps li p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.final-cta {
  width: min(76rem, calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding: clamp(2rem, 6vw, 4rem);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 2.4rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(212, 240, 255, 0.65));
  box-shadow: 0 1.8rem 4rem rgba(48, 101, 138, 0.12), inset 0 1px 0 white;
}

.final-cta img {
  width: clamp(5.5rem, 10vw, 8rem);
  filter: drop-shadow(0 0.8rem 1rem rgba(0, 105, 215, 0.2));
}

.final-cta .eyebrow { margin-bottom: 0.8rem; }
.final-cta h2 { font-size: clamp(2rem, 4.2vw, 3.6rem); }
.download.secondary { white-space: nowrap; }

footer {
  width: min(76rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.8rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

footer p { margin: 0; }
footer a { text-underline-offset: 0.2rem; }
footer div { display: flex; gap: 1.25rem; }

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 4rem;
    text-align: center;
  }
  h1, .lede { margin-inline: auto; }
  .actions { justify-content: center; }
  .clean-stage { min-height: 31rem; }
  .steps { grid-template-columns: 1fr; }
  .final-cta { grid-template-columns: auto 1fr; }
  .final-cta .download { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .nav { min-height: 4.8rem; }
  .nav-links a:first-child { display: none; }
  .hero { min-height: auto; padding: 4rem 0 5rem; }
  h1 { font-size: clamp(3.4rem, 17vw, 5rem); }
  .clean-stage { min-height: 25rem; }
  .keyboard { bottom: 1.5rem; padding: 2rem 1.3rem; border-radius: 1.7rem; }
  .key-row { gap: 0.35rem; margin-bottom: 0.35rem; }
  .key-row i { width: 2rem; height: 1.9rem; border-radius: 0.5rem; }
  .key-row i.space { width: 6rem; }
  .hero-icon { width: 9.5rem; margin-top: -5rem; }
  .status-pill { right: 0.4rem; bottom: 2.1rem; }
  .proof { grid-template-columns: 1fr; }
  .proof p + p { border-left: 0; border-top: 1px solid var(--line); }
  .steps { padding: 6rem 0; }
  .final-cta { grid-template-columns: 1fr; text-align: center; }
  .final-cta img { margin: 0 auto; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .clean-sweep, .hero-icon { animation: none; }
  .download { transition: none; }
}
