:root {
  --bg: #f5f8f6;
  --surface: #ffffff;
  --text: #142019;
  --muted: #557063;
  --brand: #00b14f;
  --brand-dark: #029945;
  --border: #d6e5dc;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 84%, white 16%);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--brand-dark);
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 0 0 3px rgba(0, 177, 79, 0.14);
}

.hero {
  padding: 40px 0 24px;
}

.hero-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr 1fr;
}

.hero-copy h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  margin: 12px 0;
}

.hero-copy p {
  color: var(--muted);
  font-size: clamp(16px, 2vw, 19px);
  max-width: 54ch;
}

.badge {
  display: inline-flex;
  background: rgba(0, 177, 79, 0.12);
  color: var(--brand-dark);
  border: 1px solid rgba(0, 177, 79, 0.3);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 10px;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-phone img {
  width: 100%;
  height: 100%;
  max-height: 560px;
  object-fit: cover;
  border-radius: 26px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(5, 39, 20, 0.18);
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: #e9f5ee;
  color: var(--brand-dark);
  border: 1px solid #b8dec8;
}

.btn-ghost {
  color: var(--brand-dark);
  border: 1px solid #b8dec8;
  background: transparent;
}

.features,
.screenshots {
  padding: 28px 0 40px;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 3.5vw, 34px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.card h3 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
}

.section-subtitle {
  margin: -6px 0 14px;
  color: var(--muted);
}

.shots-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.shots-grid img {
  width: 100%;
  aspect-ratio: 9 / 18;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 28px;
}

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

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 580px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}