:root {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #162744;
  background: #f4f7fc;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
header,
main,
footer {
  max-width: 1120px;
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 24px;
  border-bottom: 1px solid #dce4f0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
}
.brand span {
  color: #195de6;
  margin-left: -10px;
}
nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
nav a {
  text-decoration: none;
}
main {
  padding: 0 24px;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 86px 0;
}
.eyebrow {
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 2px;
  color: #195de6;
}
h1 {
  font-size: clamp(40px, 5vw, 62px);
  letter-spacing: -2px;
  line-height: 1.12;
  margin: 22px 0;
}
p {
  line-height: 1.7;
}
.lead {
  font-size: 19px;
  color: #526581;
}
.button {
  display: inline-block;
  background: #195de6;
  color: white;
  border-radius: 12px;
  padding: 15px 22px;
  text-decoration: none;
  font-weight: 650;
  margin-top: 16px;
}
.small,
small {
  font-size: 12px;
  color: #61718b;
}
.demo {
  background: white;
  border: 1px solid #dce4f0;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 18px 65px #194fba14;
  transform: rotate(2deg);
}
.demo-top {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #166044;
  font-size: 14px;
  font-weight: 650;
}
.demo > p {
  font-size: 19px;
  font-weight: 650;
  margin-top: 28px;
}
.prices {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.prices del {
  color: #8792a5;
}
.prices strong {
  font-size: 38px;
  letter-spacing: -1px;
}
.target {
  display: flex;
  justify-content: space-between;
  background: #e9f7ef;
  color: #166044;
  border-radius: 10px;
  padding: 14px;
  margin: 24px 0 16px;
  font-size: 14px;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 30px 0 64px;
}
.features article {
  border-top: 1px solid #cbd8eb;
  padding-top: 24px;
}
.step {
  color: #195de6;
  font-size: 13px;
  font-weight: 700;
}
h2 {
  font-size: 23px;
  letter-spacing: -0.5px;
}
.features p,
.privacy p {
  color: #526581;
  font-size: 15px;
}
.privacy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: #e8f0ff;
  border-radius: 18px;
  padding: 32px;
}
.privacy div {
  max-width: 630px;
}
.privacy a {
  flex-shrink: 0;
  color: #195de6;
  font-size: 14px;
}
aside {
  font-size: 12px;
  line-height: 1.7;
  color: #61718b;
  margin: 34px 0;
}
footer {
  padding: 24px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #dce4f0;
  color: #61718b;
  font-size: 12px;
}
a:focus-visible {
  outline: 3px solid #4387ff;
  outline-offset: 5px;
}
@media (max-width: 700px) {
  header {
    padding: 20px;
  }
  nav {
    gap: 12px;
    font-size: 12px;
  }
  .brand {
    font-size: 23px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 42px 0;
    gap: 34px;
  }
  .demo {
    transform: none;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .privacy {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  footer {
    gap: 18px;
    flex-wrap: wrap;
  }
}

.showcase,
.alarm-section,
.guide,
.faq {
  padding: 40px 0;
}
.showcase h2,
.alarm-section > h2,
.guide h2,
.faq > h2 {
  font-size: 34px;
  margin: 12px 0 20px;
}
.section-lead {
  max-width: 720px;
  color: #526581;
}
figure {
  margin: 28px 0 0;
}
figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid #dce4f0;
  border-radius: 18px;
}
figcaption {
  font-size: 12px;
  color: #61718b;
  margin-top: 10px;
}
.alarm-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.alarm-grid article {
  background: white;
  border: 1px solid #dce4f0;
  border-radius: 14px;
  padding: 20px;
}
.alarm-grid h3 {
  font-size: 17px;
}
.alarm-grid p {
  font-size: 14px;
  color: #526581;
}
.guide ol {
  padding-left: 24px;
  max-width: 850px;
}
.guide li {
  padding: 8px 0;
  line-height: 1.7;
  color: #526581;
}
.guide strong {
  color: #162744;
}
.faq details {
  border-bottom: 1px solid #dce4f0;
  padding: 18px 0;
}
.faq summary {
  font-weight: 600;
  cursor: pointer;
  line-height: 1.5;
}
.faq details p {
  color: #526581;
  max-width: 850px;
  font-size: 15px;
}
@media (max-width: 700px) {
  .alarm-grid {
    grid-template-columns: 1fr 1fr;
  }
  nav a:first-child {
    display: none;
  }
}
@media (max-width: 400px) {
  .alarm-grid {
    grid-template-columns: 1fr;
  }
}

.support {
  padding: 30px 0;
}
.support p {
  color: #526581;
}
.accent {
  color: #195de6;
}
.hero {
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
}
h1 {
  font-size: clamp(36px, 4.1vw, 54px);
}
.product-mockup {
  background: #fff;
  border: 1px solid #dce4f0;
  border-radius: 20px;
  box-shadow: 0 30px 90px #194fba18;
  position: relative;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  font-size: 11px;
  color: #65748c;
  background: #edf2f9;
  border-radius: 20px 20px 0 0;
  border-bottom: 1px solid #dce4f0;
}
.browser-dots {
  color: #a6b7ce;
  letter-spacing: 3px;
  white-space: nowrap;
}
.mockup-content {
  padding: 24px 30px 12px;
}
.headphone-art {
  background: linear-gradient(135deg, #edf3fe, #f8faff);
  border-radius: 12px;
  text-align: center;
}
.headphone-art svg {
  width: 220px;
  max-width: 100%;
  height: 160px;
}
.mockup-label {
  font-size: 11px;
  letter-spacing: 2px;
  color: #637796;
  margin: 24px 0 12px;
}
.notification {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 0 18px;
  padding: 18px;
  background: #effaf4;
  border: 1px solid #cbe8d8;
  border-radius: 14px;
}
.notification strong {
  font-size: 14px;
  color: #176244;
}
.notification p {
  margin: 4px 0 0;
  font-size: 12px;
  color: #486d5b;
}
.notification-check {
  margin-left: auto;
  color: #258259;
}
.mockup-caption {
  font-size: 10px;
  text-align: center;
  color: #687a94;
  padding: 0 12px;
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: #e7efff;
  color: #195de6;
  margin-right: 14px;
}
.feature-icon svg {
  width: 24px;
  height: 24px;
}
.features article {
  background: white;
  border: 1px solid #dce4f0;
  border-radius: 18px;
  padding: 26px;
}
.features h2 {
  font-size: 21px;
  line-height: 1.4;
}
figure img {
  border-radius: 0 0 18px 18px;
}
@media (max-width: 700px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .mockup-content {
    padding: 20px;
  }
  .notification {
    margin: 0 12px;
    padding: 14px;
  }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.hero-actions .button {
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.install-button svg {
  width: 20px;
  height: 20px;
}
.install-button:hover {
  background: #124bbf;
}
.learn-link {
  color: #195de6;
  font-size: 14px;
  font-weight: 600;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}