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

html {
  font-size: 16px;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #111;
  background: #ffffff;
}

/* Layout */
.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

/* Hero */
.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #333;
}

.proof-points {
  list-style: none;
  margin-bottom: 2rem;
}

.proof-points li {
  margin-bottom: 0.4rem;
}

/* Buttons */
.actions {
  display: flex;
  gap: 1rem;
}

.btn-primary,
.btn-secondary {
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  border-radius: 4px;
  font-weight: 500;
}

.btn-primary {
  background: #111;
  color: #fff;
}

.btn-primary:hover {
  background: #000;
}

.btn-secondary {
  border: 1px solid #111;
  color: #111;
}

.btn-secondary:hover {
  background: #f2f2f2;
}

/* Sections */
section {
  margin-bottom: 3rem;
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.2rem;
  margin-bottom: 0.3rem;
}

/* Case Studies */
.case-study {
  border-top: 1px solid #e5e5e5;
  padding-top: 2rem;
}

.meta {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 1rem;
}

.case-study ul {
  margin-left: 1.2rem;
  margin-bottom: 0.6rem;
}

.screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.screenshots img {
  width: 100%;
  border: 1px solid #ddd;
}

/* Footer */
.footer {
  margin-top: 4rem;
  font-size: 0.9rem;
  color: #555;
}

.footer a {
  color: #111;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Header */
.page-header {
  margin-bottom: 2rem;
}

.back-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: #111;
}