@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=DM+Sans:wght@300;400;500&display=swap');

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

:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #555555;
  --border: #e0e0e0;
  --serif: 'DM Serif Display', serif;
  --sans: 'DM Sans', sans-serif;
}

body {
  font-family: var(--sans);
  font-weight: 300;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.7;
}

/* Layout */
.container      { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* Header */
header { padding: 24px 0; border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { height: 36px; width: auto; display: block; }

nav { display: flex; gap: 32px; }
nav a { font-size: 15px; color: var(--fg); text-decoration: none; }
nav a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Footer */
footer { margin-top: 80px; padding: 40px 0; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
.footer-logo { height: 28px; width: auto; display: block; margin-bottom: 16px; opacity: 0.5; }
footer a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }

/* Section */
.section { padding: 72px 0; }

/* Typography */
h1 {
  font-family: var(--serif);
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 24px;
}

h2 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 20px;
}

h3 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

p { font-size: 16px; color: #333; margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }
.lead { font-size: 19px; }
.muted { color: var(--muted); font-size: 14px; }
small { display: block; font-size: 13px; color: var(--muted); margin-top: 12px; }
a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }

ul, ol { padding-left: 20px; margin-bottom: 16px; }
li { font-size: 16px; color: #333; margin-bottom: 8px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 2px;
  cursor: pointer;
  border: none;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}
.btn-primary { background: var(--fg); color: var(--bg); }
.btn-primary:hover { background: #333; }
.btn-outline { background: var(--bg); color: var(--fg); border: 1px solid var(--fg); }
.btn-outline:hover { background: #f5f5f5; }

/* Product cards */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.card { border: 1px solid var(--border); padding: 40px; }
.card h2 { margin-top: 16px; margin-bottom: 12px; }
.card p { margin-bottom: 28px; }
.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--fg);
  color: var(--bg);
  padding: 3px 8px;
}

/* Numbered steps */
ol.steps { list-style: none; padding: 0; counter-reset: steps; }
ol.steps li {
  counter-increment: steps;
  padding: 24px 0 24px 56px;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-size: 16px;
  color: #333;
}
ol.steps li:first-child { border-top: 1px solid var(--border); }
ol.steps li::before {
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--fg);
  line-height: 1.6;
}

/* CSV checklist */
ul.checklist { list-style: none; padding: 0; }
ul.checklist li {
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--border);
  position: relative;
  font-size: 16px;
  color: #333;
}
ul.checklist li:first-child { border-top: 1px solid var(--border); }
ul.checklist li::before { content: '—'; position: absolute; left: 0; color: var(--muted); }

/* FAQ accordion */
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 400;
  padding: 20px 32px 20px 0;
  list-style: none;
  position: relative;
  user-select: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--muted);
}
.faq details[open] summary::after { content: '−'; }
.faq .answer { padding-bottom: 20px; }
.faq .answer p { font-size: 15px; color: #444; margin-bottom: 0; }

/* Intake form */
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--fg);
}
.form-group input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 300;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--fg);
  background: var(--bg);
  outline: none;
  appearance: none;
}
.form-group input:focus { border-color: var(--fg); }

/* Utilities */
.text-center { text-align: center; }
.email-display { font-weight: 500; border-bottom: 1px solid #000; cursor: text; }

/* About section layout */
.about-layout { display: flex; align-items: center; gap: 56px; }
.about-photo { width: 280px; height: 280px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.about-text { flex: 1; }

/* Homepage hero logo */
.hero-logo-block { text-align: center; margin-bottom: 40px; }
.hero-logo-block img { max-width: 280px; width: 100%; height: auto; }

/* Why Watterson value props */
.value-props { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 8px; }
.value-prop h2 { font-size: 24px; margin-bottom: 12px; }
.value-prop p { font-size: 15px; color: #444; margin-bottom: 0; }

/* Pricing grid */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 8px; }
.pricing-card { border: 1px solid var(--border); padding: 32px 24px; display: flex; flex-direction: column; }
.pricing-card .tier-label { font-size: 10px; font-weight: 500; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; }
.pricing-card .price-amount { font-family: var(--serif); font-size: 40px; line-height: 1; margin-bottom: 4px; color: var(--fg); }
.pricing-card .price-detail { font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.pricing-card .price-desc { font-size: 14px; color: #444; flex: 1; margin-bottom: 24px; }
.pricing-card.featured { border-color: var(--fg); border-width: 2px; }
.pricing-card.featured .tier-label { color: var(--fg); font-weight: 700; }

@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Responsive */
@media (max-width: 600px) {
  h1 { font-size: 34px; }
  h2 { font-size: 26px; }
  .grid-2 { grid-template-columns: 1fr; }
  .btn { display: block; width: 100%; text-align: center; }
  .section { padding: 48px 0; }
  .card { padding: 28px 20px; }
  ol.steps li { padding-left: 40px; }
  nav { gap: 20px; }
  .about-layout { flex-direction: column; align-items: center; gap: 32px; }
  .about-photo { width: 200px; height: 200px; }
  .about-text { text-align: left; }
  .value-props { grid-template-columns: 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card .price-amount { font-size: 32px; }
}