/* Lydia Solutions — site styles
   Color palette: deep navy (architecture/trust), warm terracotta (topo map accent),
   off-white background, restrained typography. Designed to look credible to a 50-year-old
   surveyor on a 2018 ThinkPad, not flashy to a 25-year-old on a Macbook. */

:root {
  --navy:    #1d3557;
  --navy-2:  #2a4a72;
  --terra:   #c45c2e;
  --terra-2: #a64a23;
  --ink:     #20232a;
  --paper:   #fbfaf6;
  --paper-2: #f1efe6;
  --line:    #cdc8b8;
  --muted:   #5b6470;
  --serif:   "Iowan Old Style", "Charter", Georgia, "Times New Roman", serif;
  --sans:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:    "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }
.container.narrow { max-width: 720px; }

h1, h2, h3 { font-family: var(--serif); color: var(--navy); margin-top: 0; line-height: 1.2; }
h1 { font-size: 2.4rem; margin-bottom: 1rem; }
h2 { font-size: 1.7rem; margin-bottom: 0.8rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p  { margin: 0 0 1rem; }
a  { color: var(--terra-2); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--terra); }
ul { margin: 0 0 1rem 1.25rem; }
li { margin-bottom: 0.35rem; }
strong { color: var(--navy); }
em { font-style: italic; color: var(--ink); }

/* Header */
.site-header {
  background: var(--navy);
  color: var(--paper);
  padding: 1rem 0;
  border-bottom: 4px solid var(--terra);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.brand {
  font-family: var(--serif);
  color: var(--paper);
  font-size: 1.3rem;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand:hover { color: var(--paper); }
.site-header nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-header nav a {
  color: var(--paper);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
.site-header nav a:hover { border-color: var(--terra); }
.site-header nav a[aria-current="page"] { border-color: var(--terra); }
.cta-inline {
  background: var(--terra);
  padding: 0.4rem 0.85rem !important;
  border-radius: 3px;
  border: none !important;
}
.cta-inline:hover { background: var(--terra-2); color: var(--paper) !important; }

/* Hero */
.hero, .page-hero {
  background: linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 100%);
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--line);
}
.hero h1 { font-size: 2.8rem; max-width: 800px; }
.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 700px;
  margin-bottom: 1.5rem;
}
.cta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1.5rem 0 1rem; }
.cta-primary {
  display: inline-block;
  background: var(--navy);
  color: var(--paper);
  padding: 0.85rem 1.5rem;
  text-decoration: none;
  border-radius: 3px;
  font-weight: 500;
  border: 2px solid var(--navy);
}
.cta-primary:hover { background: var(--navy-2); color: var(--paper); }
.cta-secondary {
  display: inline-block;
  color: var(--navy);
  padding: 0.85rem 1.5rem;
  text-decoration: none;
  border-radius: 3px;
  border: 2px solid var(--navy);
  font-weight: 500;
}
.cta-secondary:hover { background: var(--paper-2); color: var(--navy); }
.serves { color: var(--muted); font-size: 0.95rem; margin-top: 1rem; }
.fineprint { color: var(--muted); font-size: 0.85rem; }

/* Sections */
section { padding: 3rem 0; }
.pillars { background: var(--paper); }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.pillar {
  background: var(--paper-2);
  padding: 1.5rem;
  border-left: 4px solid var(--terra);
  border-radius: 0 3px 3px 0;
}
.pillar h3 { color: var(--navy); }

.demo-teaser {
  background: var(--navy);
  color: var(--paper);
}
.demo-teaser h2 { color: var(--paper); }
.demo-teaser p { color: var(--paper-2); }
.demo-teaser .cta-primary {
  background: var(--terra);
  border-color: var(--terra);
}
.demo-teaser .cta-primary:hover { background: var(--terra-2); border-color: var(--terra-2); }

.contact-strip, .cta-strip {
  background: var(--paper-2);
  text-align: center;
  border-top: 1px solid var(--line);
}

/* Service tiers */
.service-tier { border-bottom: 1px solid var(--line); }
.service-tier.alt { background: var(--paper-2); }
.tier-meta { color: var(--muted); font-family: var(--mono); font-size: 0.9rem; }
.service-tier ul { max-width: 700px; }

/* Case study */
.case-study {
  padding: 3rem 0 4rem;
}
.case-study h1 { font-size: 2.4rem; margin-bottom: 0.5rem; }
.byline { color: var(--muted); font-size: 0.95rem; margin-bottom: 2.5rem; font-style: italic; }
.case-study h2 {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.case-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--paper-2);
  border-left: 4px solid var(--terra);
  display: flex; gap: 1rem; flex-wrap: wrap;
}

/* Contact */
.contact-block { padding-top: 1rem; }
.contact-block h2 {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.contact-block h2:first-of-type { border-top: none; padding-top: 0; }

/* Demo / gate / results */
.demo-page { padding: 3rem 0; }
.gate-form, .demo-form {
  max-width: 480px;
  margin: 2rem auto;
  background: var(--paper-2);
  padding: 2rem;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.gate-form label, .demo-form label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  color: var(--navy);
}
.gate-form input[type=email],
.gate-form input[type=text],
.demo-form input[type=text],
.demo-form select {
  width: 100%;
  padding: 0.65rem;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  margin-bottom: 1rem;
  font-family: var(--sans);
}
.gate-form button, .demo-form button {
  background: var(--navy);
  color: var(--paper);
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  border-radius: 3px;
  cursor: pointer;
  width: 100%;
  font-weight: 500;
}
.gate-form button:hover, .demo-form button:hover { background: var(--navy-2); }
.cf-turnstile { margin: 1rem 0; }

.sample-list {
  background: var(--paper-2);
  border-left: 4px solid var(--terra);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 3px 3px 0;
}
.sample-list h3 { margin-top: 0; }
.sample-list ul { margin: 0; padding-left: 1.25rem; }
.sample-list code { font-family: var(--mono); background: var(--paper); padding: 0.15rem 0.4rem; border-radius: 2px; font-size: 0.85rem; }

.dossier {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 1rem 0;
}
.dossier h3 { color: var(--navy); margin-bottom: 0.75rem; border-bottom: 1px solid var(--line); padding-bottom: 0.5rem; }
.dossier dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1rem; margin: 0; }
.dossier dt { font-weight: 600; color: var(--navy); }
.dossier dd { margin: 0; color: var(--ink); font-family: var(--mono); font-size: 0.9rem; }
.dossier .sources { margin-top: 1rem; }
.dossier .source-pill {
  display: inline-block;
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  font-size: 0.8rem;
  margin-right: 0.4rem;
  font-family: var(--mono);
  color: var(--muted);
}

.flash {
  padding: 0.85rem 1rem;
  border-radius: 3px;
  margin: 1rem 0;
  font-size: 0.95rem;
}
.flash-success { background: #e6f0e8; border-left: 4px solid #2c7042; color: #1e4a2c; }
.flash-error   { background: #f4e1dc; border-left: 4px solid var(--terra-2); color: #7a2d12; }
.flash-info    { background: #e3eaf3; border-left: 4px solid var(--navy-2); color: var(--navy); }

/* Footer */
.site-footer {
  background: var(--navy);
  color: var(--paper-2);
  padding: 2rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
}
.site-footer a { color: var(--paper); }
.site-footer .small { font-size: 0.8rem; color: var(--paper-2); opacity: 0.7; margin: 0; }

/* Mobile */
@media (max-width: 640px) {
  h1 { font-size: 1.9rem; }
  .hero h1 { font-size: 2.1rem; }
  .hero { padding: 2.5rem 0 2rem; }
  section { padding: 2rem 0; }
  .site-header nav { gap: 0.85rem; font-size: 0.9rem; width: 100%; justify-content: flex-start; }
  .cta-row { flex-direction: column; }
  .cta-primary, .cta-secondary { text-align: center; }
}

/* Proposal display */
.estimate-text {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--paper-2);
  padding: 1.5rem;
  border-radius: 3px;
  border: 1px solid var(--line);
  margin: 0.75rem 0 0;
  overflow-x: auto;
  color: var(--ink);
}
.proposal-meta {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 1rem 0;
}
.proposal-meta h3 { color: var(--navy); margin-bottom: 0.75rem; border-bottom: 1px solid var(--line); padding-bottom: 0.5rem; }
.proposal-meta dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1rem; margin: 0; }
.proposal-meta dt { font-weight: 600; color: var(--navy); }
.proposal-meta dd { margin: 0; color: var(--ink); font-family: var(--mono); font-size: 0.9rem; }
.type-options { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.type-options button { cursor: pointer; font-family: var(--sans); }