:root {
  --bg: #f6f8f7;
  --surface: #ffffff;
  --text: #1a2421;
  --muted: #5c6b66;
  --border: #dde5e1;
  --accent: #0d7a6b;
  --accent-soft: #e6f4f1;
  --accent-hover: #096155;
  --shadow: 0 12px 40px rgba(26, 36, 33, 0.08);
  --radius: 14px;
  --max: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header-inner,
.page-main,
.site-footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.brand span {
  color: var(--muted);
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.hero {
  padding: 3rem 1.5rem 2rem;
  max-width: var(--max);
  margin: 0 auto;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
}

.hero p {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding: 0 1.5rem 3rem;
  max-width: var(--max);
  margin: 0 auto;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.app-card.coming-soon {
  opacity: 0.72;
}

.app-badge {
  display: inline-block;
  width: fit-content;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.app-card h2 {
  margin: 0;
  font-size: 1.35rem;
}

.app-card p {
  margin: 0;
  color: var(--muted);
  flex: 1;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  text-decoration: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.btn[disabled],
.btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.page-main {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.page-main h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 40rem;
  margin: 0 0 2rem;
}

.feature-list,
.step-list {
  margin: 0 0 2rem;
  padding-left: 1.25rem;
}

.feature-list li,
.step-list li {
  margin-bottom: 0.5rem;
}

.info-box {
  background: var(--accent-soft);
  border: 1px solid #c5e8e2;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}

.info-box strong {
  color: var(--accent-hover);
}

.download-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin: 2rem 0;
}

.download-panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 2rem;
}

.site-footer-inner {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}