/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Tokens ── */
:root {
  --bg:           #FAF8F5;
  --bg-alt:       #F2EFEA;
  --text:         #2C2C2E;
  --text-muted:   #706B66;
  --accent:       #5E8C62;
  --accent-hover: #4A7A4E;
  --border:       #E5E0DA;
  --card-bg:      #FFFFFF;
  --btn-text:     #FFFFFF;
  --focus-ring:   #5E8C62;
  --font-display: Georgia, 'Times New Roman', serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-w:  720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --radius:  12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #1C1C1E;
    --bg-alt:       #2C2C2E;
    --text:         #F5F3F0;
    --text-muted:   #A09A95;
    --accent:       #7A9E7E;
    --accent-hover: #8FB893;
    --border:       #3A3835;
    --card-bg:      #2A2725;
    --btn-text:     #1C1C1E;
    --focus-ring:   #7A9E7E;
  }
}

/* ── Base ── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.3;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

a:hover { color: var(--accent-hover); }

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

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

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--accent);
  color: var(--btn-text);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus { top: 0; }

/* ── Layout ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ── Nav ── */
.site-nav {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-decoration: none;
}

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

.site-nav__brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.site-nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  font-size: 0.95rem;
}

.site-nav__links a {
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ── Hero ── */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.hero__icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto var(--space-md);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: var(--space-sm);
}

.hero__lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 44ch;
  margin: 0 auto var(--space-md);
  line-height: 1.7;
}

.hero__cta {
  display: inline-block;
  text-decoration: none;
}

.hero__cta img {
  height: 54px;
  transition: opacity 0.2s;
}

.hero__cta:hover img { opacity: 0.85; }

/* ── Features ── */
.features {
  padding: var(--space-lg) 0;
  background: var(--bg-alt);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.feature {
  padding: var(--space-md);
}

.feature__title {
  font-size: 1.15rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.feature__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 600px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
}

/* ── Platforms ── */
.platforms {
  padding: var(--space-lg) 0;
  text-align: center;
}

.platforms__tags {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.platforms__tags span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.site-footer__links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  margin-bottom: var(--space-sm);
}

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

/* ── Page content (support, privacy) ── */
.page-content {
  padding: var(--space-lg) 0;
}

.page-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-md);
}

.page-content h2 {
  font-size: 1.4rem;
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
}

.page-content p,
.page-content li {
  margin-bottom: var(--space-sm);
}

.page-content ul {
  padding-left: 1.5em;
}

/* ── Contact form ── */
.contact-form {
  max-width: 480px;
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  background: var(--accent);
  color: var(--btn-text);
  border: none;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--accent-hover);
  color: var(--btn-text);
}

.form-status {
  margin-top: var(--space-sm);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.form-status--success {
  background: #E8F5E9;
  color: #2E7D32;
  display: block;
}

.form-status--error {
  background: #FFEBEE;
  color: #B71C1C;
  display: block;
}

@media (prefers-color-scheme: dark) {
  .form-status--success {
    background: #1B3A1E;
    color: #A5D6A7;
  }
  .form-status--error {
    background: #3A1B1B;
    color: #F5B0B0;
  }
}