:root {
  --blue: #2d7af0;
  --blue-dark: #1557c8;
  --blue-soft: #eaf3ff;
  --ink: #0b1736;
  --text: #52617d;
  --muted: #7180a3;
  --card: #ffffff;
  --line: #dfeafe;
  --shadow: 0 4px 15px rgba(20, 75, 155, 0.10);
  --radius-lg: 30px;
  --radius-md: 20px;
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(45, 122, 240, 0.12), transparent 28rem),
    radial-gradient(circle at 95% 45%, rgba(45, 122, 240, 0.10), transparent 26rem),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 52%, #eef6ff 100%);
}

body.menu-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

img {
  max-width: 100%;
  display: block;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(45, 122, 240, 0.35);
  outline-offset: 4px;
}

.container {
  width: min(100% - 4rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(220, 232, 255, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 96px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: max-content;
}

.brand-logo {
  display: block;
  width: auto;
  height: 66px;
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-size: 1.75rem;
  color: var(--blue);
  letter-spacing: -0.05em;
}

.brand-copy small {
  margin-top: 0.25rem;
  font-size: 0.82rem;
  color: var(--blue);
  font-weight: 800;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.75rem, 4vw, 3.75rem);
  font-size: 1.2rem;
  font-weight: 800;
  color: #102447;
}

.desktop-nav a {
  position: relative;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.55rem;
  height: 2px;
  border-radius: 999px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border: 1px solid rgba(45, 122, 240, 0.14);
  border-radius: 16px;
  background: #ffffff;
  box-shadow: 0 12px 28px rgba(20, 75, 155, 0.12);
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2.5px;
  margin: 3px auto;
  border-radius: 999px;
  background: var(--blue-dark);
  transform-origin: center;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button:hover {
  border-color: rgba(45, 122, 240, 0.22);
  box-shadow: 0 16px 30px rgba(20, 75, 155, 0.14);
  transform: translateY(-1px);
}

.site-header[data-menu-open="true"] .menu-button {
  background: var(--blue-soft);
  border-color: rgba(45, 122, 240, 0.24);
  box-shadow: 0 18px 34px rgba(20, 75, 155, 0.16);
}

.site-header[data-menu-open="true"] .menu-button span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.site-header[data-menu-open="true"] .menu-button span:nth-child(2) {
  opacity: 0;
}

.site-header[data-menu-open="true"] .menu-button span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: clamp(4rem, 6vw, 5.75rem) 0 clamp(3rem, 4.5vw, 4.5rem);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(460px, 1.15fr);
  align-items: center;
  gap: clamp(2.5rem, 5.5vw, 5.5rem);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.45rem;
  padding: 0.58rem 1.05rem;
  border: 1px solid rgba(45, 122, 240, 0.6);
  border-radius: 999px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 26px rgba(45, 122, 240, 0.08);
  font-weight: 900;
}

.eyebrow span {
  width: 1.55rem;
  height: 1.55rem;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 0.8rem;
}

h1 {
  max-width: 640px;
  margin: 0;
  color: #05070f;
  font-size: clamp(3.85rem, 8.2vw, 6.35rem);
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 950;
}

h1 span {
  display: block;
  color: var(--blue);
}

.hero-text {
  max-width: 570px;
  margin: 1.35rem 0 2rem;
  color: #4d5e83;
  font-size: clamp(1.12rem, 1.35vw, 1.48rem);
  line-height: 1.42;
  font-weight: 550;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(78px, 1fr));
  max-width: 570px;
  margin-bottom: 1.9rem;
}

.mini-feature {
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  color: #102447;
  text-align: center;
  font-weight: 750;
  font-size: clamp(0.82rem, 1vw, 1rem);
  line-height: 1.2;
}

.mini-feature img {
  width: clamp(58px, 6vw, 76px);
  height: clamp(58px, 6vw, 76px);
  object-fit: contain;
  filter: drop-shadow(0 16px 18px rgba(45, 122, 240, 0.12));
}

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

.play-badge {
  display: inline-flex;
  padding: 0.35rem 0;
}

.play-badge img {
  display: block;
  max-width: 100%;
  width: clamp(190px, 21vw, 210px);
  height: auto;
}

.trust-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 1.2rem 0 0;
  color: #4d5e83;
  font-size: 0.98rem;
  font-weight: 650;
}

.trust-line svg {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  fill: none;
  stroke: var(--blue-dark);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  margin-right: clamp(-3rem, -3vw, 0rem);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 16% 1% 16%;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(45, 122, 240, 0.22);
  filter: blur(24px);
  z-index: -1;
}

.hero-visual img {
  width: min(100%, 780px);
  object-fit: contain;
  border-radius: 28px;
  mix-blend-mode: multiply;
}

.features-section {
  position: relative;
  padding: clamp(3.5rem, 6vw, 5.25rem) 0;
}

.features-intro {
  max-width: 780px;
  margin: 0 auto clamp(2.4rem, 5vw, 3.6rem);
  text-align: center;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 1rem;
  padding: 0.58rem 1.05rem;
  border: 1px solid rgba(45, 122, 240, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 24px rgba(45, 122, 240, 0.08);
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.features-intro h2 {
  margin: 0;
  color: #05070f;
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.features-intro h2 span {
  color: var(--blue);
}

.features-subtitle {
  max-width: 680px;
  margin: 1rem auto 0;
  color: #4d5e83;
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  line-height: 1.55;
  font-weight: 550;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.55rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
  padding: 1.9rem;
  border: 1px solid rgba(214, 229, 255, 0.95);
  border-radius: 28px;
  background: rgb(254 254 254 / 95%);
  box-shadow: var(--shadow);
  text-align: center;
}

.feature-card img {
  width: clamp(92px, 8vw, 108px);
  height: clamp(92px, 8vw, 108px);
  margin: 0 auto 1.15rem;
  align-self: center;
  border-radius: 22px;
  object-fit: contain;
}

.feature-card h3 {
  margin: 0;
  color: #0a1634;
  font-size: 1.45rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.feature-benefit {
  margin: 0.75rem 0 0;
  color: var(--blue);
  font-size: 0.98rem;
  font-weight: 800;
}

.feature-card p:last-child {
  margin: 0.75rem 0 0;
  color: var(--text);
  font-size: 1.04rem;
  line-height: 1.58;
}

.screenshots-section {
  position: relative;
  padding: clamp(3.5rem, 6vw, 5.25rem) 0;
}

.screenshots-intro {
  max-width: 760px;
  margin: 0 auto clamp(2.2rem, 5vw, 3.25rem);
  text-align: center;
}

.screenshots-intro h2 {
  margin: 0;
  color: #05070f;
  font-size: clamp(2.3rem, 5.2vw, 3.95rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.screenshots-intro h2 span {
  color: var(--blue);
}

.screenshots-subtitle {
  max-width: 700px;
  margin: 1rem auto 0;
  color: #4d5e83;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.55;
  font-weight: 550;
}

.screenshots-panel {
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid rgba(214, 229, 255, 0.92);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}

.screenshots-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.25rem 0.25rem 1.6rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(45, 122, 240, 0.35) transparent;
}

.screenshots-track::-webkit-scrollbar {
  height: 10px;
}

.screenshots-track::-webkit-scrollbar-track {
  background: transparent;
}

.screenshots-track::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(45, 122, 240, 0.28);
}

.screenshot-card {
  flex: 0 0 clamp(285px, 24vw, 350px);
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  border: 1px solid rgba(214, 229, 255, 0.95);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
}

.screenshot-card img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border-radius: 22px;
  object-fit: contain;
  background: #f7fbff;
  box-shadow: inset 0 0 0 1px rgba(214, 229, 255, 0.9);
}

.download-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.download-card {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: 36px;
  border: 1px solid rgba(37, 116, 239, 0.18);
  background:rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}

.download-content h2 {
  margin: 0;
  color: #05070f;
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.download-content h2 span {
  color: var(--blue);
}

.download-text {
  max-width: 40rem;
  margin: 1rem 0 0;
  color: #4d5e83;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.55;
  font-weight: 550;
}

.download-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 44rem;
}

.download-points li {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  min-width: 0;
  color: #102447;
  font-weight: 750;
  line-height: 1.25;
}

.download-points li::before {
  content: "\2713";
  flex: 0 0 2rem;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(37, 116, 239, 0.12);
  font-weight: 900;
}

.download-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-left: clamp(1rem, 2vw, 2rem);
  border-left: 1px solid rgba(37, 116, 239, 0.14);
  text-align: center;
}

.google-play-link {
  display: inline-flex;
  padding: 0.35rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
}

.google-play-link img {
  display: block;
  width: clamp(180px, 18vw, 245px);
  height: auto;
}

.android-note {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}


.support-section {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.support-intro {
  max-width: 780px;
  margin: 0 auto clamp(2.2rem, 5vw, 3.25rem);
  text-align: center;
}

.support-intro h2 {
  margin: 0;
  color: #05070f;
  font-size: clamp(2.3rem, 5.2vw, 3.95rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.support-intro h2 span {
  color: var(--blue);
}

.support-subtitle {
  max-width: 650px;
  margin: 1rem auto 0;
  color: #4d5e83;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.55;
  font-weight: 550;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.35rem;
}

.support-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(1.45rem, 2.4vw, 2rem);
  border: 1px solid rgba(214, 229, 255, 0.95);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.support-card h3 {
  margin: 0;
  color: #0a1634;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.support-card p {
  margin: 1rem 0 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.55;
}

.support-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: auto;
  padding-top: 1.15rem;
  color: var(--blue);
  font-weight: 850;
  line-height: 1.2;
}


.support-card a span {
  font-size: 1.35em;
  line-height: 1;
  transition: transform 180ms ease;
}

.support-card a:hover span {
  transform: translateX(0.2rem);
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(220, 232, 255, 0.9);
  background: rgba(255, 255, 255, 0.82);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand .brand-logo {
  height: 52px;
}

.footer-brand .brand-copy strong {
  font-size: 1.25rem;
}

.footer-brand .brand-copy small {
  font-size: 0.68rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.55rem;
  flex-wrap: wrap;
  color: #53607b;
  font-size: 0.95rem;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--blue);
}

@media (max-width: 900px) {
  .header-inner {
    min-height: clamp(74px, 10vw, 82px);
    gap: 1rem;
  }

  .brand-logo {
    height: clamp(46px, 7vw, 54px);
  }

  .desktop-nav {
    gap: 1rem 1.25rem;
    font-size: 0.95rem;
  }

  .js .desktop-nav {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    left: auto;
    z-index: 3;
    width: min(300px, calc(100vw - 2rem));
    display: grid;
    gap: 0.35rem;
    padding: 0.55rem;
    background: #ffffff;
    border: 1px solid rgba(45, 122, 240, 0.16);
    border-radius: 22px;
    box-shadow:
      0 20px 44px rgba(20, 75, 155, 0.14),
      0 6px 18px rgba(20, 75, 155, 0.08);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.45rem) scale(0.98);
    transform-origin: top right;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .js .site-header[data-menu-open="true"] .desktop-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .js .desktop-nav a {
    padding: 0.9rem 1rem;
    border-radius: 15px;
    background: #ffffff;
    color: #102447;
  }

  .js .desktop-nav a::after {
    display: none;
  }

  .js .desktop-nav a:hover,
  .js .desktop-nav a:focus-visible {
    color: var(--blue-dark);
    background: var(--blue-soft);
  }

  .js .desktop-nav a:active {
    background: #dcecff;
  }

  .js .menu-button {
    display: inline-flex;
  }

  .hero {
    padding: clamp(2rem, 4vw, 2.6rem) 0 clamp(2.6rem, 5vw, 3.25rem);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 680px;
    margin-inline: auto;
  }

  .eyebrow {
    margin-inline: auto;
  }

  h1,
  .hero-text {
    margin-left: auto;
    margin-right: auto;
  }

  h1 {
    font-size: clamp(2.85rem, 10vw, 4.2rem);
  }

  .hero-text {
    max-width: 34rem;
  }

  .feature-strip {
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .mini-feature {
    font-size: 0.73rem;
  }

  .mini-feature img {
    width: 58px;
    height: 58px;
  }

  .hero-actions {
    justify-content: center;
  }

  .trust-line {
    justify-content: center;
    align-items: flex-start;
    text-align: center;
    font-size: 0.86rem;
  }

  .hero-visual {
    margin-top: 0.5rem;
  }

  .hero-visual img {
    transform: scale(0.9);
  }

  .features-section,
  .screenshots-section,
  .download-section,
  .support-section {
    padding: 3.5rem 0;
  }

  .features-intro,
  .screenshots-intro,
  .support-intro {
    margin-bottom: 2rem;
  }

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

  .feature-card {
    padding: 1.45rem;
  }

  .screenshots-panel {
    padding: 0.85rem;
    border-radius: 28px;
  }

  .screenshot-card {
    flex-basis: min(82vw, 280px);
  }

  .download-card {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    text-align: center;
  }

  .download-text {
    margin-left: auto;
    margin-right: auto;
  }

  .download-points {
    max-width: 100%;
  }

  .download-action {
    padding-top: 1.5rem;
    padding-left: 0;
    border-top: 1px solid rgba(37, 116, 239, 0.14);
    border-left: 0;
  }

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

  .play-badge img {
    width: 230px;
  }

}

@media (max-width: 640px) {
  .features-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .feature-strip {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 0.85rem;
  }

  .download-points {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .mini-feature img {
    width: 64px;
    height: 64px;
  }

  .screenshot-card {
    flex-basis: min(86vw, 300px);
  }
}