/* RevSpace LLC — publisher site styles */
:root {
  --slate-950: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-50: #eff6ff;
  --amber-50: #fffbeb;
  --amber-600: #d97706;
  --white: #ffffff;
  --max: 68rem;
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --line: 1.65;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: var(--line);
  color: var(--slate-800);
  background: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; }

a {
  color: var(--blue-600);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover { color: var(--blue-700); }

a:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--slate-950);
  color: var(--white);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--slate-200);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--slate-950);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover { color: var(--blue-600); }

.logo-mark {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.logo span {
  font-weight: 500;
  color: var(--slate-500);
  margin-left: 0.15rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  align-items: center;
}

.nav a {
  color: var(--slate-700);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--blue-600);
}

.nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* Main */
main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.narrow {
  max-width: 42rem;
}

.wide-prose {
  max-width: 48rem;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--slate-50) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--slate-100);
}

.hero .container {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.375rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--slate-950);
  font-weight: 700;
  max-width: 38rem;
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--slate-600);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
  font-family: inherit;
}

.btn:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-700);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--slate-800);
  border-color: var(--slate-200);
}

.btn-secondary:hover {
  border-color: var(--slate-400);
  color: var(--slate-950);
  background: var(--slate-50);
}

/* Sections */
.section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-500);
  margin: 0 0 0.5rem;
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: var(--slate-950);
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 1.75rem;
  color: var(--slate-600);
  max-width: 36rem;
}

.section-block {
  margin-top: 2.5rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: calc(var(--radius) + 0.125rem);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: var(--slate-400);
  box-shadow: var(--shadow-md);
}

.card .card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-500);
  margin: 0 0 0.5rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
  color: var(--slate-950);
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card h3 a:hover { color: var(--blue-600); }

.card p {
  margin: 0 0 1rem;
  color: var(--slate-600);
  font-size: 0.96875rem;
  flex: 1;
}

.card-link {
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
}

.card-link::after { content: " →"; }

/* Feature / trust grid */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 0;
}

.trust-item {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}

.trust-item h3 {
  margin: 0 0 0.35rem;
  font-size: 0.96875rem;
  color: var(--slate-950);
}

.trust-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--slate-600);
}

/* CTA band */
.cta-band {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: calc(var(--radius) + 0.125rem);
  padding: 1.75rem 1.5rem;
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cta-band h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  color: var(--slate-950);
}

.cta-band p {
  margin: 0;
  color: var(--slate-600);
  font-size: 0.96875rem;
}

/* Prose */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--slate-200);
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.625rem, 3.5vw, 2rem);
  color: var(--slate-950);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-header .meta {
  margin: 0;
  color: var(--slate-500);
  font-size: 0.9375rem;
}

.prose h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--slate-950);
  letter-spacing: -0.015em;
}

.prose h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.0625rem;
  color: var(--slate-800);
}

.prose p {
  margin: 0 0 1rem;
  color: var(--slate-700);
}

.prose ul, .prose ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
  color: var(--slate-700);
}

.prose li { margin-bottom: 0.4rem; }

.prose li::marker { color: var(--slate-400); }

.prose strong { color: var(--slate-800); font-weight: 600; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
}

.prose th,
.prose td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--slate-200);
  vertical-align: top;
}

.prose th {
  background: var(--slate-50);
  color: var(--slate-800);
  font-weight: 600;
}

.callout {
  background: var(--blue-50);
  border-left: 3px solid var(--blue-600);
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.callout p { margin: 0; color: var(--slate-700); font-size: 0.96875rem; }

.disclaimer {
  background: var(--amber-50);
  border-left: 3px solid var(--amber-600);
  padding: 1rem 1.15rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.disclaimer p { margin: 0; color: var(--slate-700); font-size: 0.9375rem; }

.address-block {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin: 1.25rem 0;
}

.address-block p { margin: 0.25rem 0; }

/* FAQ */
.faq details {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
  background: var(--white);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--slate-900);
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  color: var(--blue-600);
  font-weight: 700;
}

.faq details[open] summary::before { content: "−"; }

.faq details p {
  margin: 0.75rem 0 0.15rem;
  color: var(--slate-700);
  font-size: 0.96875rem;
}

/* Contact form */
.contact-form {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: calc(var(--radius) + 0.125rem);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.contact-form .form-row {
  margin-bottom: 1rem;
}

.contact-form label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.35rem;
}

.contact-form .req {
  color: var(--slate-500);
  font-weight: 500;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--slate-300);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--slate-800);
  background: var(--white);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--blue-600);
  outline-offset: 1px;
  border-color: var(--blue-600);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form .form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-top: 0.5rem;
}

.contact-form .form-hint {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.contact-form .form-note-inline {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--slate-600);
}

/* 404 */
.error-page {
  text-align: center;
  padding: 4rem 1.25rem;
}

.error-page h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
  color: var(--slate-950);
}

.error-page p {
  color: var(--slate-600);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--slate-200);
  background: var(--slate-50);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

.footer-disclosure {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: var(--slate-500);
  line-height: 1.5;
  max-width: 48rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0 0 1rem;
  font-size: 0.875rem;
}

.footer-nav a {
  color: var(--slate-600);
  text-decoration: none;
}

.footer-nav a:hover { color: var(--blue-600); text-decoration: underline; }

.footer-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  font-size: 0.875rem;
  color: var(--slate-600);
}

.footer-bar a {
  color: var(--slate-600);
  text-decoration: none;
}

.footer-bar a:hover { color: var(--blue-600); text-decoration: underline; }

.footer-sep { color: var(--slate-400); }

@media (max-width: 40rem) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .hero .container { padding-top: 2rem; padding-bottom: 2rem; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .nav { gap: 0.35rem 0.85rem; }
}

.form-status {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
}
.form-status-ok {
  background: #e8f6ee;
  color: #0d5c2e;
  border: 1px solid #b7e0c5;
}
.form-status-err {
  background: #fdeeee;
  color: #8a1f1f;
  border: 1px solid #f0c0c0;
}