:root {
  --blue-700: #0f3f8f;
  --blue-600: #1d5cc8;
  --blue-500: #2e7aea;
  --ink-900: #121722;
  --ink-700: #3e4758;
  --ink-500: #6c7689;
  --surface: #f4f7fc;
  --card: #ffffff;
  --border: #dbe4f2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--surface);
  color: var(--ink-900);
  line-height: 1.5;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 84px 24px;
}

.hero {
  background: linear-gradient(150deg, var(--blue-700) 0%, var(--blue-600) 60%, var(--blue-500) 100%);
  color: #fff;
  padding: 96px 24px 88px;
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-logo {
  width: 88px;
  background: #fff;
  border-radius: 18px;
  padding: 10px;
  margin-bottom: 22px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.05;
}

.hero-subtitle {
  margin: 0;
  max-width: 540px;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions a {
  display: inline-flex;
  align-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 6px 10px;
}

.store-badge {
  display: block;
  height: 44px;
  width: auto;
}

.hero-visual img {
  width: min(100%, 320px);
  border-radius: 26px;
  box-shadow: 0 26px 56px rgba(3, 17, 42, 0.45);
}

.features h2,
.screenshots h2 {
  margin: 0 0 30px;
  text-align: center;
  font-size: clamp(1.65rem, 2.4vw, 2.1rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(11, 42, 92, 0.08);
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
}

.feature-card p {
  margin: 0;
  color: var(--ink-700);
}

.screenshots {
  padding: 82px 24px;
  background: linear-gradient(180deg, #f8fbff 0%, #eaf1fb 100%);
}

.screenshots-carousel {
  display: flex;
  justify-content: center;
}

.carousel-stage {
  position: relative;
  width: min(840px, 100%);
  height: min(560px, 72vw);
}

.carousel-stage img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(260px, 33vw);
  max-width: 260px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.88);
  border-radius: 20px;
  box-shadow: 0 14px 34px rgba(11, 42, 92, 0.2);
  transition: transform 0.55s ease, opacity 0.55s ease;
}

.carousel-stage img.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  z-index: 3;
}

.carousel-stage img.prev {
  opacity: 0.38;
  transform: translate(calc(-50% - min(190px, 26vw)), -50%) scale(0.9);
  z-index: 2;
}

.carousel-stage img.next {
  opacity: 0.38;
  transform: translate(calc(-50% + min(190px, 26vw)), -50%) scale(0.9);
  z-index: 2;
}

.pro {
  padding: 84px 24px;
}

.pro-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.pro-head {
  text-align: center;
  margin-bottom: 38px;
}

.pro-badge {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-700);
  background: rgba(46, 122, 234, 0.14);
}

.pro-head h2 {
  margin: 12px 0 8px;
  font-size: clamp(1.7rem, 2.5vw, 2.25rem);
}

.pro-subtitle {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-700);
}

.pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.pro-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 8px 24px rgba(11, 42, 92, 0.08);
}

.pro-card h3 {
  margin: 0 0 8px;
  font-size: 1.04rem;
}

.pro-card p {
  margin: 0;
  color: var(--ink-700);
}

.pro-cta {
  margin-top: 34px;
  padding: 22px;
  border-radius: 16px;
  border: 1px solid rgba(46, 122, 234, 0.26);
  background: linear-gradient(130deg, rgba(46, 122, 234, 0.1), rgba(255, 255, 255, 0.85));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
}

.pro-cta-copy h3 {
  margin: 0 0 4px;
}

.pro-cta-copy p {
  margin: 0;
  color: var(--ink-700);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 700;
  padding: 12px 16px;
}

.btn-secondary {
  color: #fff;
  background: linear-gradient(150deg, var(--blue-700) 0%, var(--blue-500) 100%);
}

footer {
  background: #e7edf8;
  border-top: 1px solid var(--border);
  padding: 22px 24px;
  text-align: center;
  color: var(--ink-700);
}

footer p {
  margin: 0 0 10px;
}

footer nav {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

footer a {
  color: var(--blue-700);
  text-decoration: none;
  font-weight: 600;
}

.legal-page {
  max-width: 860px;
}

.legal-logo {
  width: 82px;
  display: block;
  margin-bottom: 22px;
  border-radius: 18px;
  background: #fff;
  padding: 10px;
  box-shadow: 0 8px 24px rgba(11, 42, 92, 0.08);
}

.legal-page h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}

.legal-updated {
  margin: 0 0 28px;
  color: var(--ink-500);
  font-weight: 700;
}

.legal-card {
  margin-top: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 8px 24px rgba(11, 42, 92, 0.08);
}

.legal-card h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.legal-card p {
  margin: 0;
  color: var(--ink-700);
}

.legal-card a {
  color: var(--blue-700);
  font-weight: 700;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-logo {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-visual {
    display: none;
  }

  .pro-cta {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .carousel-stage {
    height: 500px;
  }
}

@media (max-width: 560px) {
  .container,
  .pro {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding: 78px 18px 72px;
  }

  .store-badge {
    height: 40px;
  }

  .carousel-stage {
    height: 430px;
  }

  .carousel-stage img.prev,
  .carousel-stage img.next {
    opacity: 0;
  }
}