/* ============================================================
   SnapDays — style.css
   Light theme, mobile-first
   ============================================================ */

:root {
  --color-bg:        #ffffff;
  --color-bg-alt:    #f7f7f5;
  --color-border:    #e8e8e4;
  --color-text:      #1a1a1a;
  --color-text-mute: #6b6b6b;
  --color-accent:    #0066cc;
  --color-accent-h:  #0052a3;
  --color-pro:       #7c3aed;
  --color-pro-bg:    #f5f0ff;
  --color-pro-h:     #6d28d9;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "Fira Code", monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --max-width: 960px;
  --section-gap: 96px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: var(--section-gap) 0; }
section + section { border-top: 1px solid var(--color-border); }

/* ---- Nav ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
}
.nav-logo img { width: 28px; height: 28px; border-radius: 6px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.nav-links a { font-size: 0.9rem; color: var(--color-text-mute); }
.nav-links a:hover { color: var(--color-text); text-decoration: none; }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.nav-cta:hover { background: var(--color-accent-h); }

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 80px 0 72px;
}
.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 28px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--color-text-mute);
  max-width: 520px;
  margin: 0 auto 36px;
}
.hero-badge {
  display: inline-block;
  background: var(--color-pro-bg);
  color: var(--color-pro);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 36px;
  letter-spacing: 0.01em;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 0.15s, transform 0.1s;
  cursor: pointer;
  border: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-h); }
.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-border); }
.btn-pro {
  background: var(--color-pro);
  color: #fff;
}
.btn-pro:hover { background: var(--color-pro-h); }

/* ---- Section headings ---- */
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-desc {
  color: var(--color-text-mute);
  font-size: 1rem;
  max-width: 540px;
  margin-bottom: 48px;
}

/* ---- Free features ---- */
.free-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.free-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}
.free-card .icon { font-size: 1.8rem; margin-bottom: 14px; }
.free-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.free-card p { font-size: 0.9rem; color: var(--color-text-mute); line-height: 1.5; }

/* ---- Pro features ---- */
.pro-section { background: var(--color-bg-alt); }
.pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.pro-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
}
.pro-card::before {
  content: "PRO";
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-pro);
  background: var(--color-pro-bg);
  padding: 2px 8px;
  border-radius: 99px;
}
.pro-card .icon { font-size: 1.8rem; margin-bottom: 14px; }
.pro-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.pro-card p { font-size: 0.9rem; color: var(--color-text-mute); line-height: 1.5; }

/* ---- Pricing ---- */
.pricing-box {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}
.pricing-box .price {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.pricing-box .price-note {
  font-size: 0.85rem;
  color: var(--color-text-mute);
  margin-bottom: 28px;
}
.pricing-box .pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-box .pricing-features li {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-box .pricing-features li::before {
  content: "✓";
  color: var(--color-pro);
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-free-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-text-mute);
}

/* ---- Footer ---- */
footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  font-size: 0.85rem;
  color: var(--color-text-mute);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a { color: var(--color-text-mute); }
.footer-links a:hover { color: var(--color-text); text-decoration: none; }

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 56px 0 48px; }
  .pricing-box { padding: 36px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}