/* 
  Serena AI v0 styles
  Quiet, ethical, non-anthropomorphic.
*/

:root {
  --bg: #f0ebdf;       /* EcoSand */
  --text: #2e2e2e;
  --muted: #5c6662;    /* EcoSalt */
  --accent: #7fbf7f;   /* EcoMint */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
}

.hero {
  margin-bottom: 4.25rem;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.025em;
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0;
}

section {
  margin-bottom: 3.25rem;
}

h2 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1rem 0;
}

.bullets {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
}

.bullets li {
  margin-bottom: 0.75rem;
  padding-left: 1rem;
  position: relative;
}

.bullets li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted);
}

footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 0.9rem;
  color: var(--muted);
}

footer img {
  display: block;
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

footer .domains {
  margin-top: 0.5rem;
}

/* Mobile */
@media (max-width: 600px) {
  .container {
    padding: 3.5rem 1.25rem;
  }

  .hero h1 {
    font-size: 2.2rem;
  }
}