:root {
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-accent: #2364d2;
  --color-accent-dark: #1d4ea0;
  --color-accent-muted: #e1edff;
  --color-text: #1c1f27;
  --color-text-muted: #6c7280;
  --color-border: #e4e7ef;
  --max-width: 1200px;
  --radius: 16px;
  --shadow-soft: 0 10px 30px rgba(18, 33, 59, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(17, 24, 39, 0.08);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #6fb1fc, var(--color-accent));
}

.brand-label {
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0;
}

.brand-sub {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.25rem 0.5rem;
}

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

.site-nav .cta {
  color: #fff;
  background-color: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  padding: 0.25rem;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background-color: var(--color-text);
  border-radius: 3px;
}

.hero {
  padding: 4rem 0 3rem;
}

.hero-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero-text {
  color: var(--color-text-muted);
}

.hero-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  margin-top: 0;
}

.hero-card ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-cta,
.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn.primary:hover {
  transform: translateY(-1px);
  background-color: var(--color-accent-dark);
}

.btn.secondary {
  background-color: var(--color-accent-muted);
  color: var(--color-accent-dark);
}

.btn.ghost {
  background-color: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.services,
.apps,
.contact {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.service-grid,
.app-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.service-grid article,
.app-card {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.app-card h3 span {
  color: var(--color-text);
}

.store-links {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.5rem;
}

.notice {
  background-color: var(--color-accent);
  color: #fff;
  padding: 2rem 0;
  text-align: center;
}

.contact-form {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  max-width: 720px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

label {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input,
textarea,
select {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background-color: #fdfdff;
}

textarea {
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -10000px;
  opacity: 0;
}

.form-footnote {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.captcha-hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.site-footer {
  background-color: #0f172a;
  color: #d1d5db;
  padding: 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  align-items: center;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: #fff;
}

.footer-cta .btn {
  border-color: #fff;
  color: #fff;
}

.noscript-warning {
  background: #fee2e2;
  color: #7f1d1d;
  padding: 1rem;
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 768px) {
  .site-nav {
    position: absolute;
    top: 100%;
    right: 1rem;
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    display: none;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }
}