:root {
  --blue: #155eef;
  --blue-dark: #0747c7;
  --navy: #111d3d;
  --text: #24304f;
  --muted: #66718c;
  --line: #dfe5ef;
  --line-strong: #c9d3e3;
  --surface: #f7f9fc;
  --green: #16854b;
  --amber: #c87000;
  --red: #c72b39;
  --shadow: 0 10px 30px rgba(25, 45, 90, 0.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font: 15px/1.55 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; }
button, input { font: inherit; }
button, .button { min-height: 44px; }

.site-header {
  min-height: 68px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 40px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--navy);
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.brand b { font-weight: 500; }
.site-header nav { display: flex; gap: 30px; margin-left: auto; }
.site-header nav a, footer nav a {
  color: #34405e;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.site-header nav a:hover, footer nav a:hover { color: var(--blue); }

.button {
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 11px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 6px 16px rgba(21, 94, 239, .18); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: var(--blue); border-color: #7aa5ff; background: #fff; }
.button-dark { color: #fff; background: var(--navy); }
.button-compact { min-height: 38px; padding: 8px 15px; font-size: 12px; }

main, footer { max-width: 1440px; margin: 0 auto; }
.report-hero {
  padding: 52px 4vw 34px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: center;
}
.hero-copy h1 {
  margin: 0;
  max-width: 680px;
  color: var(--navy);
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.01;
  letter-spacing: -0.055em;
}
.hero-copy > p:not(.report-meta) {
  max-width: 650px;
  margin: 22px 0 0;
  font-size: 17px;
  color: var(--muted);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.report-meta {
  margin: 20px 0 0;
  color: var(--muted);
  font: 12px/1.5 "JetBrains Mono", monospace;
}
.domain-form {
  padding: 28px;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}
.domain-form label { display: block; margin-bottom: 11px; color: var(--navy); font-weight: 700; }
.domain-control { display: flex; gap: 8px; }
.domain-control input, .email-report input {
  min-width: 0;
  flex: 1;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  padding: 12px 14px;
  color: var(--navy);
  outline: none;
}
.domain-control input:focus, .email-report input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(21,94,239,.1); }
.domain-form > p { margin: 11px 0 0; color: var(--muted); font-size: 12px; }
.scan-status { margin-top: 10px; min-height: 20px; color: var(--blue); font-size: 13px; font-weight: 600; }
.scan-status.error { color: var(--red); }

.report-shell { padding: 0 4vw 70px; }
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin: 32px 0 14px;
}
.section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
  letter-spacing: -.02em;
}
.section-heading > span, .overall-status { color: var(--muted); font-size: 12px; }
.overall-status strong { color: var(--amber); margin-left: 10px; }
.overall-status strong::before {
  width: 8px; height: 8px; border-radius: 50%; background: currentColor; content: ""; display: inline-block; margin-right: 6px;
}
.overall-status strong.status-good { color: var(--green); }
.overall-status strong.status-alert { color: var(--red); }

.evidence-rail {
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: #fff;
}
.evidence-rail article { min-height: 126px; padding: 22px; border-right: 1px solid var(--line); }
.evidence-rail article:last-child { border-right: 0; }
.evidence-rail span, .evidence-rail small { display: block; color: var(--muted); font-size: 11px; }
.evidence-rail strong { display: block; margin: 10px 0 1px; color: var(--navy); font-size: 26px; letter-spacing: -.04em; }
.source-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

.observation-table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.observation-table { width: 100%; border-collapse: collapse; min-width: 820px; }
.observation-table th, .observation-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: left; font-size: 12px; }
.observation-table th { color: var(--muted); background: var(--surface); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
.observation-table tr:last-child td { border-bottom: 0; }
.observation-table td:first-child, .mono { color: var(--navy); font-family: "JetBrains Mono", monospace; }
.observation-table .ok { color: var(--green); }
.observation-table .warn { color: var(--amber); }
.observation-table .bad { color: var(--red); }

.finding-layout { display: grid; grid-template-columns: 270px 1fr; gap: 18px; }
.finding-list { margin: 0; padding: 0; list-style: none; display: grid; align-content: start; gap: 7px; counter-reset: finding; }
.finding-list li { counter-increment: finding; }
.finding-list button {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
}
.finding-list button::before { content: counter(finding); color: var(--blue); margin-right: 12px; font-family: "JetBrains Mono", monospace; }
.finding-list button.active { border-color: var(--blue); box-shadow: inset 3px 0 var(--blue); }
.finding-list small { display: block; margin: 5px 0 0 28px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-size: 9px; }
.finding-detail { border: 1px solid var(--line); min-height: 250px; padding: 26px; }
.finding-detail h3 { margin: 0 0 12px; color: var(--navy); font-size: 22px; }
.finding-detail p { color: var(--muted); }
.finding-detail dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 25px 0; }
.finding-detail dt { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
.finding-detail dd { margin: 4px 0 0; color: var(--navy); font-weight: 700; }
.evidence-box { padding: 16px; background: var(--surface); font: 11px/1.7 "JetBrains Mono", monospace; color: #46516d; }

.service-map {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 16px;
  overflow-x: auto;
}
.service-node {
  position: relative;
  min-width: 150px;
  padding: 15px;
  border: 1px solid #82a7f7;
  background: #fff;
}
.service-node::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -13px;
  color: #7a86a4;
  transform: translate(100%, -50%);
}
.service-node:last-child::after { display: none; }
.service-node strong, .service-node small { display: block; }
.service-node strong { color: var(--navy); }
.service-node small { margin-top: 5px; color: var(--muted); font: 10px/1.4 "JetBrains Mono", monospace; }

.recommendation-list { margin: 0; padding: 0; list-style: none; counter-reset: recommendation; border-top: 1px solid var(--line); }
.recommendation-list li {
  counter-increment: recommendation;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 150px;
  gap: 14px;
  padding: 17px 8px;
  border-bottom: 1px solid var(--line);
}
.recommendation-list li::before { content: counter(recommendation); color: var(--blue); font-family: "JetBrains Mono", monospace; }
.recommendation-list strong, .recommendation-list span { display: block; }
.recommendation-list strong { color: var(--navy); }
.recommendation-list span { color: var(--muted); font-size: 12px; }
.recommendation-impact { color: var(--muted); font: 11px/1.5 "JetBrains Mono", monospace; }

.conversion-band {
  border: 1px solid #79a4ff;
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
}
.conversion-band > div, .email-report { padding: 24px; border-right: 1px solid var(--line); }
.conversion-band > :last-child { border-right: 0; }
.conversion-band h3 { margin: 0; color: var(--navy); }
.conversion-band p { min-height: 40px; margin: 7px 0 16px; color: var(--muted); font-size: 12px; }
.email-report label { display: block; margin-bottom: 10px; color: var(--navy); font-weight: 700; }
.email-report > div { display: flex; gap: 7px; }
.email-report small { display: block; margin-top: 9px; color: var(--muted); }

.about-report {
  padding: 66px 4vw;
  border-top: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
}
.about-report h2 { margin: 0 0 14px; color: var(--navy); font-size: 25px; letter-spacing: -.03em; }
.about-report p { color: var(--muted); }
.about-report details { border-top: 1px solid var(--line-strong); padding: 14px 0; }
.about-report details:last-child { border-bottom: 1px solid var(--line-strong); }
.about-report summary { color: var(--navy); font-weight: 650; cursor: pointer; }
.about-report details p { margin-bottom: 0; }

footer {
  padding: 34px 4vw 46px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 50px;
  align-items: center;
  border-top: 1px solid var(--line);
}
footer p { margin: 0; color: var(--muted); font-size: 12px; }
footer nav { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 22px; }
footer > span { grid-column: 1 / -1; color: var(--muted); font-size: 11px; }

@media (max-width: 980px) {
  .site-header nav { display: none; }
  .report-hero { grid-template-columns: 1fr; }
  .evidence-rail { grid-template-columns: repeat(2, 1fr); }
  .evidence-rail article { border-bottom: 1px solid var(--line); }
  .finding-layout { grid-template-columns: 1fr; }
  .conversion-band { grid-template-columns: 1fr; }
  .conversion-band > div, .email-report { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .site-header { padding: 0 18px; }
  .site-header .button { display: none; }
  .report-hero, .report-shell, .about-report, footer { padding-left: 18px; padding-right: 18px; }
  .hero-copy h1 { font-size: 42px; }
  .hero-actions { display: grid; }
  .domain-form { padding: 20px; }
  .evidence-rail { grid-template-columns: 1fr; }
  .evidence-rail article { min-height: 100px; border-right: 0; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 6px; }
  .finding-detail { padding: 19px; }
  .finding-detail dl { grid-template-columns: 1fr; }
  .recommendation-list li { grid-template-columns: 28px 1fr; }
  .recommendation-impact { grid-column: 2; }
  .conversion-band { display: block; }
  .about-report { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}