/* IQG LLC - Main Stylesheet */
/* Mobile-first, minimal, accessible */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors */
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-background: #fff;
  --color-background-alt: #f8f9fa;
  --color-border: #e0e0e0;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --line-height: 1.6;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width: 48rem;
  --header-height: 4rem;

  /* Transitions */
  --transition-fast: 150ms ease;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

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

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

li {
  margin-bottom: var(--space-xs);
}

strong {
  font-weight: 600;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

main {
  flex: 1;
  padding: var(--space-xl) 0 var(--space-3xl);
}

/* ===== Header ===== */
.site-header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-text);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: var(--space-md);
}

.site-nav a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover {
  color: var(--color-text);
  background-color: var(--color-background-alt);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 500;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.footer-links a:hover {
  color: var(--color-text);
}

.footer-copy {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #fff;
}

.btn-secondary {
  background-color: var(--color-background-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* ===== Cards ===== */
.card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
}

.card-grid {
  display: grid;
  gap: var(--space-lg);
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.form-label .optional {
  font-weight: 400;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-xs);
}

/* Honeypot field - hidden from users */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

/* ===== Status Tags ===== */
.status-tag {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.status-live {
  background-color: #d1fae5;
  color: #065f46;
}

.status-beta {
  background-color: #fef3c7;
  color: #92400e;
}

.status-coming {
  background-color: #e5e7eb;
  color: #374151;
}

/* ===== Tool List ===== */
.tool-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.tool-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.tool-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.tool-description {
  color: var(--color-text-secondary);
  margin: 0;
}

.tool-link {
  margin-top: var(--space-xs);
}

/* ===== Engagement Steps ===== */
.steps {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.steps li {
  position: relative;
  padding-left: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Alerts ===== */
.alert {
  padding: var(--space-md);
  border-radius: 6px;
  margin-bottom: var(--space-lg);
}

.alert-warning {
  background-color: #fef3c7;
  border: 1px solid #fcd34d;
  color: #92400e;
}

.alert-success {
  background-color: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
}

.alert-info {
  background-color: #dbeafe;
  border: 1px solid #93c5fd;
  color: #1e40af;
}

/* ===== Legal Pages ===== */
.legal-content {
  max-width: 40rem;
}

.legal-content h2 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-2xl);
}

.legal-content h3 {
  font-size: var(--font-size-lg);
}

.legal-updated {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xl);
}

/* ===== Section Dividers ===== */
.section {
  margin-bottom: var(--space-2xl);
}

.section:last-child {
  margin-bottom: 0;
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
  :root {
    --font-size-3xl: 2.5rem;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .card-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .site-footer .container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 768px) {
  main {
    padding: var(--space-2xl) 0 var(--space-3xl);
  }

  .site-nav {
    gap: var(--space-lg);
  }

  .site-nav a {
    font-size: var(--font-size-base);
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header,
  .site-footer,
  .btn {
    display: none;
  }

  main {
    padding: 0;
  }

  a {
    color: var(--color-text);
    text-decoration: underline;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}