:root {
  color-scheme: light;
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-soft: #f2f5fb;
  --text: #14253d;
  --muted: #475569;
  --nav: rgba(255, 255, 255, 0.9);
  --nav-border: rgba(255, 255, 255, 0.12);
  --accent: #1d7dff;
  --accent-soft: #e8f1ff;
  --hero: #071020;
  --hero-soft: #11203a;
  --shadow: 0 25px 60px rgba(10, 25, 55, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.badge-solid {
  background: var(--accent);
  color: white;
}

.badge-outlined {
  border: 1px solid var(--text);
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
}

.hero {
  background: linear-gradient(180deg, var(--hero) 0%, #0a1225 100%);
  color: white;
  padding: 80px 0 100px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 48px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 0.95;
  max-width: 11ch;
}

.hero-text {
  margin: 24px 0 32px;
  max-width: 640px;
  color: #d8e1f2;
  font-size: 1.05rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-media {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 22px;
  align-items: end;
}

.hero-phone {
  border-radius: 32px;
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow);
}

.hero-card {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 420px;
  overflow: visible;
  background: transparent;
  box-shadow: none;
}

.hero-phone {
  min-height: 520px;
}

.hero-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-card img {
  width: 100%;
  max-width: 320px;
  height: auto;
  object-fit: contain;
  transform: scale(1.35);
  transform-origin: bottom center;
}

.hero-card {
  min-height: 260px;
}

.section {
  padding: 80px 0;
}

.section-header h2 {
  margin: 0 0 36px;
  font-size: clamp(2rem, 3vw, 2.8rem);
  max-width: 720px;
}

.features-grid,
.screenshots-grid {
  display: grid;
  gap: 24px;
}

.features-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  background: white;
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.feature-card h3 {
  margin: 0 0 14px;
  font-size: 1.15rem;
}

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

.screenshots-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.screenshot-card {
  background: white;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.screenshot-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.screenshot-card figcaption {
  padding: 20px;
  font-weight: 700;
  color: var(--text);
}

.about-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1.5fr 1fr;
  align-items: start;
}

.about-copy h2 {
  margin: 0 0 24px;
  font-size: clamp(2.3rem, 3vw, 3.2rem);
}

.about-copy p {
  margin: 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 1rem;
}

.about-details {
  display: grid;
  gap: 20px;
  background: white;
  border-radius: 32px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.detail-label {
  margin: 0 0 6px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.about-details p {
  margin: 0;
  color: var(--text);
  font-weight: 600;
}

.contact-section {
  display: grid;
  place-items: center;
  text-align: center;
  padding-bottom: 100px;
}

.contact-card {
  max-width: 720px;
  background: white;
  border-radius: 32px;
  padding: 52px 42px;
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.site-footer {
  padding: 26px 0 40px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: center;
}

@media (max-width: 960px) {
  .hero-content,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    grid-template-columns: 1fr;
  }

  .hero-card {
    min-height: 340px;
  }

  .hero-card img {
    max-width: 280px;
    transform: none;
  }

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

@media (max-width: 680px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .site-nav {
    gap: 18px;
  }

  .site-header {
    border-bottom: none;
  }

  .hero {
    padding-top: 60px;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .features-grid,
  .screenshots-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-card img {
    height: 280px;
  }

  .section {
    padding: 60px 0;
  }

  .contact-card {
    padding: 38px 28px;
  }
}