*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #d6deea;
  --primary: #f97316;
  --primary-soft: #fff1e8;
  --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.04);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 247, 251, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--surface);
}

.brand-kicker {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
}

.brand-name {
  display: block;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.menu {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.menu a:hover,
.site-footer a:hover {
  color: var(--text);
}

.hero {
  padding: 64px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 48px;
}

.badge,
.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1,
.section h2 {
  margin: 18px 0 0;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2.7rem, 4vw, 4.8rem);
}

.hero p,
.section-heading p,
.screen-copy p,
.feature-card p,
.premium-copy p,
.cta-copy p {
  color: var(--muted);
}

.hero p {
  max-width: 600px;
  margin: 22px 0 0;
  font-size: 1.05rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 18px;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--text);
  color: #fff;
}

.button-primary:hover {
  opacity: 0.92;
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.button-secondary:hover {
  background: #f8fafc;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.stat-card,
.feature-card,
.screen-card,
.preview-card,
.cta-panel,
.premium-copy {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.stat-card {
  padding: 20px;
  border-radius: 24px;
}

.stat-card strong {
  display: block;
  font-size: 1.65rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-media {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: min(100%, 430px);
  padding: 14px;
  border-radius: 36px;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.phone-frame img {
  width: 100%;
  border-radius: 28px;
}

.section {
  padding: 44px 0 84px;
}

.section-soft {
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.35));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-heading p {
  margin-top: 16px;
  max-width: 680px;
}

.split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr minmax(240px, 430px);
  gap: 30px;
  align-items: end;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  padding: 26px;
  border-radius: var(--radius-lg);
}

.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
}

.feature-card h3,
.screen-copy h3,
.premium-copy h2,
.cta-copy h2 {
  margin: 18px 0 0;
  letter-spacing: -0.03em;
}

.feature-card p {
  margin: 12px 0 0;
}

.screen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.screen-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.screen-image {
  aspect-ratio: 10 / 18;
  background: #eef2f7;
}

.screen-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.screen-copy {
  padding: 24px;
}

.screen-copy h3 {
  font-size: 1.22rem;
}

.screen-copy p {
  margin: 10px 0 0;
}

.premium-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
  align-items: stretch;
}

.premium-copy {
  padding: 32px;
  border-radius: var(--radius-xl);
}

.premium-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.premium-list li {
  position: relative;
  margin-top: 12px;
  padding: 16px 18px 16px 44px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  border-radius: 18px;
  color: #334155;
}

.premium-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 23px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--primary);
}

.premium-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.preview-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.preview-card img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
  object-position: top;
  background: #eef2f7;
}

.preview-label {
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  font-weight: 700;
}

.cta-panel {
  border-radius: 36px;
  padding: 40px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
  align-items: center;
}

.cta-copy h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.site-footer {
  padding: 26px 0 46px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 1100px) {
  .hero-grid,
  .premium-layout,
  .cta-panel,
  .split,
  .feature-grid,
  .screen-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .premium-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    max-width: 12ch;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .site-header {
    position: static;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 16px 0;
  }

  .menu {
    flex-wrap: wrap;
    gap: 14px 18px;
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 36px;
  }

  .hero-grid {
    gap: 28px;
  }

  .hero h1 {
    max-width: none;
  }

  .feature-grid,
  .screen-grid,
  .premium-gallery,
  .stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 34px 0 64px;
  }

  .feature-card,
  .premium-copy,
  .screen-copy,
  .cta-panel {
    padding: 22px;
  }

  .cta-panel {
    border-radius: 28px;
  }

  .preview-card img {
    min-height: 420px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}