/* Saleweft — minimal SaaS + e-commerce blend
   Clean typography, off-white background, indigo+amber accents */

:root {
  --color-bg: #fafaf9;
  --color-text: #18181b;
  --color-muted: #52525b;
  --color-border: #e4e4e7;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-accent: #f59e0b;
  --color-card: #ffffff;
  --max-w: 760px;
  --max-w-wide: 1100px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: var(--max-w-wide); margin: 0 auto; padding: 0 1.5rem; }

/* Header */
header {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-card);
  padding: 1rem 0;
}
header .container-wide {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-mark { color: var(--color-primary); }
nav ul { list-style: none; display: flex; gap: 1.5rem; }
nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s;
}
nav a:hover { color: var(--color-text); }

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}
.hero h1 .accent { color: var(--color-primary); }
.hero .lede {
  font-size: 1.15rem;
  color: var(--color-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  border: 1px solid transparent;
  font-size: 1rem;
  cursor: pointer;
}
.btn-primary {
  background-color: var(--color-primary);
  color: white;
}
.btn-primary:hover { background-color: var(--color-primary-hover); }
.btn-secondary {
  background-color: var(--color-card);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-text); }

/* Sections */
section { padding: 3.5rem 0; }
section h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}
section p { color: var(--color-muted); margin-bottom: 1rem; }

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}
.feature {
  padding: 1.75rem;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.feature .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: rgba(79, 70, 229, 0.08);
  color: var(--color-primary);
  border-radius: 6px;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.feature h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.feature p { font-size: 0.95rem; color: var(--color-muted); margin-bottom: 0; }

/* Waitlist form */
.waitlist {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  margin-top: 2rem;
  text-align: center;
}
.waitlist h2 { margin-bottom: 0.75rem; }
.waitlist p { margin-bottom: 1.75rem; }
.waitlist form {
  display: flex;
  gap: 0.5rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.waitlist input[type="email"] {
  flex: 1;
  min-width: 260px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  background-color: white;
  color: var(--color-text);
}
.waitlist input[type="email"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Article (privacy/terms/about pages) */
article {
  padding: 3rem 0 4rem;
}
article h1 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
article .updated {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
article h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}
article h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}
article p, article li {
  color: var(--color-text);
  margin-bottom: 1rem;
}
article ul, article ol { padding-left: 1.5rem; margin-bottom: 1rem; }
article a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(79, 70, 229, 0.3);
}
article a:hover { text-decoration-color: var(--color-primary); }
article strong { color: var(--color-text); font-weight: 600; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.contact-card {
  padding: 1.75rem;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.contact-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}
.contact-card a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}
.contact-card a:hover { text-decoration: underline; }

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: 4rem;
  background-color: var(--color-card);
}
footer .container-wide {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
footer .copyright {
  color: var(--color-muted);
  font-size: 0.9rem;
}
footer .footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
footer .footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
footer .footer-links a:hover { color: var(--color-text); }

/* Mobile */
@media (max-width: 640px) {
  nav ul { gap: 1rem; }
  nav a { font-size: 0.85rem; }
  .hero { padding: 3rem 0 2.5rem; }
  section { padding: 2.5rem 0; }
  footer .container-wide { justify-content: center; text-align: center; }
}