/*
 * Visibility Audit Co.
 * Shared style sheet for all mockup pages.
 *
 * The design system is driven by CSS variables declared in the :root
 * selector. Colours, typography and spacing are centralised here to
 * ensure a cohesive look across all nine pages. To adjust any core
 * visual aspect simply override the relevant variable below. All
 * measurements are derived from an 8‑pixel base scale.
 */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;700&family=Inter:wght@400;600;700&family=IBM+Plex+Mono:wght@400;600;700&display=swap');

/*
 * Root variables define the colour palette, typography, spacing and
 * component sizing. Semantic aliases (success, warning etc.) are
 * included to clearly separate functional colours from decorative
 * accents. Do not override these values directly in the markup.
 */
:root {
  --color-primary-black: #000000;
  --color-secondary-dark: #1F2937;
  --color-accent-amber: #B45309;
  --color-white: #FFFFFF;
  --color-fafafa: #FAFAFA;
  --color-f5f5f5: #F5F5F5;
  --color-e5e5e5: #E5E5E5;
  --color-a3a3a3: #A3A3A3;
  --color-525252: #525252;
  --color-171717: #171717;
  --color-text-primary: #171717;
  --color-text-strong: #000000;
  --color-text-muted: #404040;
  --color-text-subtle: #525252;
  --color-text-inverse: #FFFFFF;
  --color-success: #047857;
  --color-success-bg: #ECFDF5;
  --color-warning: #92400E;
  --color-warning-bg: #FFFBEB;
  --color-error: #B91C1C;
  --color-error-bg: #FEF2F2;
  --color-info: #1D4ED8;
  --color-info-bg: #EFF6FF;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --base-spacing: 8px;
  --card-radius: 12px;
  --card-border: 1px solid var(--color-e5e5e5);
  --card-padding: 24px;
  --btn-height: 48px;
  --btn-radius: 8px;
  --shadow-small: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.08);
  --max-width: 1180px;
  --section-padding: calc(var(--base-spacing) * 10); /* 80px */
  --section-padding-tablet: calc(var(--base-spacing) * 8); /* 64px */
  --section-padding-mobile: calc(var(--base-spacing) * 5); /* 40px */
}

/* Box sizing and reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-white);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-strong);
}

p {
  margin: 0 0 1em;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Utility classes */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: calc(var(--base-spacing) * 3);
  padding-right: calc(var(--base-spacing) * 3);
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.align-center {
  align-items: center;
}

.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: calc(var(--base-spacing) * 4);
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--base-spacing) * 4);
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: calc(var(--base-spacing) * 4);
}

.grid-8 {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: calc(var(--base-spacing) * 4);
}

/* Header */
header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-e5e5e5);
  box-shadow: var(--shadow-small);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: calc(var(--base-spacing) * 3);
  padding-bottom: calc(var(--base-spacing) * 3);
}

.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--base-spacing) * 2);
}

.logo img {
  height: 40px;
  width: auto;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: calc(var(--base-spacing) * 3);
}

nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding-bottom: calc(var(--base-spacing) * 1);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

nav a:hover {
  color: var(--color-text-strong);
}

nav a.active {
  color: var(--color-text-strong);
  border-bottom-color: var(--color-text-strong);
}

.header-cta {
  margin-left: calc(var(--base-spacing) * 4);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--btn-height);
  padding: 0 calc(var(--base-spacing) * 4);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--btn-radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--color-primary-black);
  color: var(--color-white);
  border: none;
}
.btn-primary:hover {
  background: var(--color-171717);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary-black);
  border: 1px solid var(--color-e5e5e5);
}
.btn-secondary:hover {
  background: var(--color-f5f5f5);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-black);
  border: none;
}
.btn-ghost:hover {
  background: var(--color-f5f5f5);
}

.btn-accent {
  background: var(--color-accent-amber);
  color: var(--color-white);
  border: none;
}
.btn-accent:hover {
  background: #9A4208;
}

/* Cards */
.card {
  background: var(--color-white);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--shadow-small);
}

.card.top-border {
  border-top: 4px solid var(--color-primary-black);
}

.card.highlight {
  border-top: 4px solid var(--color-primary-black);
}

/* Pricing card differentiation */
.card.recurring {
  border-top: 4px solid var(--color-secondary-dark);
}

.badge {
  display: inline-block;
  padding: calc(var(--base-spacing) * 1) calc(var(--base-spacing) * 2);
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}
.badge-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}
.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

/* Score bar */
.score-bar {
  position: relative;
  width: 100%;
  height: 6px;
  background: var(--color-f5f5f5);
  border-radius: 3px;
  overflow: hidden;
  margin-top: calc(var(--base-spacing) * 1);
}

.score-bar span {
  display: block;
  height: 100%;
  background: var(--color-primary-black);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: calc(var(--base-spacing) * 3);
}
th, td {
  padding: calc(var(--base-spacing) * 2);
  border: 1px solid var(--color-e5e5e5);
  font-size: 14px;
  text-align: left;
  vertical-align: top;
}
th {
  background: var(--color-fafafa);
  font-weight: 600;
  color: var(--color-text-strong);
}

/* Footer */
footer {
  background: var(--color-secondary-dark);
  color: var(--color-text-inverse);
  padding-top: calc(var(--base-spacing) * 8);
  padding-bottom: calc(var(--base-spacing) * 8);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--base-spacing) * 4);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: calc(var(--base-spacing) * 3);
  padding-right: calc(var(--base-spacing) * 3);
}

.footer-logo {
  margin-bottom: calc(var(--base-spacing) * 2);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: calc(var(--base-spacing) * 1);
}
.footer-links a {
  color: var(--color-a3a3a3);
  text-decoration: none;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  text-align: center;
  margin-top: calc(var(--base-spacing) * 6);
  font-size: 13px;
  color: var(--color-a3a3a3);
}

/* Form elements */
input[type="text"], input[type="email"], select, textarea {
  width: 100%;
  height: var(--btn-height);
  padding: 0 calc(var(--base-spacing) * 3);
  border: 1px solid #D4D4D4;
  border-radius: var(--btn-radius);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-primary);
  background: var(--color-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus, input[type="email"]:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary-black);
  box-shadow: 0 0 0 1px var(--color-primary-black);
}

textarea {
  min-height: 120px;
  padding-top: calc(var(--base-spacing) * 2);
  padding-bottom: calc(var(--base-spacing) * 2);
}

.form-group {
  margin-bottom: calc(var(--base-spacing) * 4);
}

.form-label {
  display: block;
  margin-bottom: calc(var(--base-spacing) * 1);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-strong);
}

/* Status list style used in "What to prepare" section */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: calc(var(--base-spacing) * 2);
  margin-bottom: calc(var(--base-spacing) * 2);
  font-size: 14px;
}
.checklist svg {
  flex-shrink: 0;
}

/* —— Task 10 consistency utilities (no new hex colors) —— */
.pricing-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: calc(var(--base-spacing) * 3);
  align-items: stretch;
}

.badge-dark {
  display: inline-block;
  padding: calc(var(--base-spacing) * 0.75) calc(var(--base-spacing) * 2);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
  background: var(--color-primary-black);
  color: var(--color-white);
}

.badge-received {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  background: var(--color-success-bg);
  color: var(--color-success);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--base-spacing) * 1.5);
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.filter-pills a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-e5e5e5);
  color: var(--color-text-strong);
  background: var(--color-white);
}

.filter-pills a.is-active,
.filter-pills a.active {
  background: var(--color-primary-black);
  color: var(--color-white);
  border-color: var(--color-primary-black);
}

.cta-band {
  background: var(--color-fafafa);
  border-top: 1px solid var(--color-e5e5e5);
  border-bottom: 1px solid var(--color-e5e5e5);
  padding: calc(var(--base-spacing) * 5) 0;
}

.score-num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.03em;
}

/* Responsive */
@media (max-width: 1024px) {
  .pricing-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  h1 {
    font-size: 36px !important;
  }
  nav ul {
    gap: calc(var(--base-spacing) * 2);
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    gap: calc(var(--base-spacing) * 2);
  }
  nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }
  nav ul {
    flex-wrap: nowrap;
    min-width: max-content;
  }
  .pricing-grid-4 {
    grid-template-columns: 1fr;
  }
  .section {
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
  }
  .header-cta {
    margin-left: auto;
  }
}

/* Print styles for horizontal PDF export */
@media print {
  @page {
    size: 16in 9in landscape;
    margin: 0;
  }
  body {
    margin: 0;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
  .page {
    width: 16in;
    min-height: 9in;
    page-break-after: always;
  }
  header, footer, .header-cta {
    /* keep printable for marketing PDFs */
  }
}