/* Auspex DMARC CSS — Auspex Labs Design System
   Forked from verus/web/static/css/verus.css.
   Shared shell (header, hero, sections, cards, footer) is identical.
   DMARC-specific findings styles live at the bottom of this file. */

/* ===== CSS VARIABLES ===== */
:root {
  /* Auspex Labs Inc. Official Brand Colors (2025 Brand Guidelines) */
  --color-midnight-storm: #2e3442;
  --color-auspicious-blue: #2f92b8;
  --color-patina-green: #23b4b4;
  --color-xanthe-orange: #e68924;
  --color-icicle: #dae0e7;
  --color-frost: #eceff2;
  --color-moonless-night: #0e111b;
  --color-vermilion: #e34234;
  --color-signature-green: #00a200;

  --color-primary-start: var(--color-auspicious-blue);
  --color-primary-end: var(--color-patina-green);
  --color-accent: hsla(180, 65%, 45%, 0.26);

  --gradient-primary: linear-gradient(135deg, var(--color-auspicious-blue) 0%, var(--color-patina-green) 100%);

  --color-bg-dark: var(--color-moonless-night);
  --color-bg-medium: var(--color-auspicious-blue);
  --color-bg-light: var(--color-icicle);
  --color-bg-card: var(--color-midnight-storm);

  --color-text-primary: #ffffff;
  --color-text-secondary: #b8c5d6;
  --color-text-muted: #7a8aa3;

  --color-success: var(--color-signature-green);
  --color-warning: var(--color-xanthe-orange);
  --color-error: var(--color-vermilion);
  --color-info: var(--color-auspicious-blue);

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --font-sans: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica", "Arial", sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", "Courier New", monospace;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);

  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-start);
}

/* Inline code in body copy (small mono token) */
.inline-code,
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-primary-end);
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
  .container { padding: 0 2rem; }
}

.main-content {
  min-height: calc(100vh - 80px - 300px);
}

/* ===== HEADER ===== */
.site-header {
  background-color: var(--color-moonless-night);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  margin-right: var(--spacing-xl);
}

.logo a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

.mobile-menu-toggle:hover {
  color: var(--color-primary-end);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
  background-color: var(--color-accent);
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--color-moonless-night);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--color-text-secondary);
}

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

.tagline {
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ===== SOCIAL LINKS ===== */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0 0 0;
}

.social-links li { margin: 0; }

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--color-primary-end);
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

.social-links svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-bg-light);
  color: var(--color-text-muted);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-night {
  background-color: var(--color-moonless-night);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-night:hover {
  background-color: var(--color-midnight-storm);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  border-color: var(--color-primary-end);
  color: var(--color-primary-end);
}

.btn-outline:hover {
  background-color: var(--color-accent);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 6rem 0;
  margin-top: 2rem;
  background: radial-gradient(circle at top right, var(--color-accent), transparent 70%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-content-centered {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-logo {
  max-width: 100%;
  height: auto;
  width: 560px;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECTIONS ===== */
section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 2.5rem;
  padding-bottom: var(--spacing-md);
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--color-primary-end);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===== STEPS / FLOW ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.step {
  background-color: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

/* ===== CODE BLOCKS ===== */
.code-block {
  background-color: var(--color-bg-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.code-block pre {
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  white-space: pre;
}

/* ===== FORMS ===== */
.lookup-form .form-help {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== ALERTS ===== */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0 var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.alert-error {
  background-color: rgba(227, 66, 52, 0.08);
  border: 1px solid var(--color-error);
  color: var(--color-text-primary);
}

.alert-error strong {
  color: var(--color-error);
}

/* ===== ABOUT SECTION ===== */
.about-auspex {
  background-color: var(--color-bg-card);
  padding: 6rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.tagline-large {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-primary-end);
  margin-bottom: var(--spacing-lg);
}

.about-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.about-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--color-auspicious-blue);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
}

/* ===== DOCUMENTATION (Education + Reports pages) ===== */
.docs-hero {
  text-align: center;
  padding: 3rem 0 2rem;
  background: radial-gradient(circle at top center, rgba(47, 146, 184, 0.15), transparent 70%);
}

.docs-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.docs-hero p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 760px;
  margin: 0 auto;
}

.docs-section {
  padding: 3rem 0;
}

.docs-content {
  max-width: 900px;
  margin: 0 auto;
}

.docs-section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--color-auspicious-blue);
}

.docs-card {
  background-color: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.docs-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.docs-card h4 {
  font-size: 1.25rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary-end);
}

.docs-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.docs-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.docs-list li strong {
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.docs-card code {
  background-color: var(--color-bg-dark);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--color-primary-end);
}

/* ===== UNDERSTANDING RESULTS (Demonstration explainer) ===== */
.understanding-results {
  background-color: var(--color-bg-card);
}

.results-grid {
  max-width: 900px;
  margin: 0 auto;
}

.result-explanation {
  margin-bottom: var(--spacing-2xl);
}

.result-explanation h3 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.result-explanation:first-child h3 {
  margin-top: 0;
}

.result-explanation ul {
  margin-left: var(--spacing-lg);
  color: var(--color-text-secondary);
}

.result-explanation ul li {
  margin-bottom: var(--spacing-xs);
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== UTILITY CLASSES ===== */
.hidden { display: none !important; }
.visible { display: block !important; }
.text-center { text-align: center; }

.img-responsive-400 {
  width: 100%;
  max-width: 400px;
}

/* ===== RESPONSIVE — HEADER, HERO, GRIDS ===== */
@media (max-width: 768px) {
  .logo {
    margin-right: 0;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
  }
  .logo img {
    max-width: 100%;
    height: auto;
    max-height: 32px;
  }
  .header-content {
    width: 100%;
    gap: var(--spacing-sm);
  }
  .mobile-menu-toggle {
    display: block;
    flex-shrink: 0;
  }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
  }
  .main-nav.active { max-height: 500px; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }
  .nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 0;
  }
  .nav-link:hover,
  .nav-link.active {
    background-color: rgba(255, 255, 255, 0.05);
  }

  .hero-logo { width: 360px; }
  .hero-subtitle { font-size: clamp(1rem, 3vw, 1.25rem); }
  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  .about-cta { flex-direction: column; }

  .section-title { font-size: clamp(1.75rem, 4vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
  h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

  .docs-card { padding: var(--spacing-md); }
  .docs-card code { font-size: 0.75rem; }
  .code-block code { font-size: 0.75rem; }
  .docs-hero h1 { font-size: 1.75rem; }
  .docs-hero p { font-size: 1rem; }
  .docs-section-title { font-size: 1.5rem; }
}

/* ============================================================
   DMARC DEMONSTRATION — domain lookup form + findings UI
   The unique DMARC surface: not in the Verus fork above.
   ============================================================ */

.demo-section.compact {
  padding: 3rem 0 2rem;
}

.demo-section.compact .demo-header {
  margin-bottom: var(--spacing-lg);
}

.demo-section.compact .demo-header h1 {
  margin-bottom: var(--spacing-xs);
}

.demo-section.compact .manual-lookup {
  margin-bottom: var(--spacing-xl);
}

.demo-section.compact .lookup-form {
  display: block;
  margin-bottom: var(--spacing-sm);
}

.demo-section.compact .lookup-input-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: stretch;
  margin-bottom: var(--spacing-xs);
}

.demo-section.compact .lookup-input-group input {
  flex: 1;
  min-width: 0;
  padding: 0.75rem 1rem;
  background-color: var(--color-midnight-storm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 1rem;
  font-family: var(--font-mono);
}

.demo-section.compact .lookup-input-group input:focus {
  outline: none;
  border-color: var(--color-primary-end);
}

.demo-section.compact .lookup-input-group button {
  padding: 0.75rem 2.5rem;
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .demo-section.compact .lookup-input-group {
    flex-direction: column;
  }
}

/* Example-domain buttons */
.example-domains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.example-btn {
  background-color: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-family: var(--font-sans);
}

.example-btn:hover {
  border-color: var(--color-primary-end);
  transform: translateY(-2px);
}

.example-domain-name {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-primary-end);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.example-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Lookup result */
.lookup-result {
  margin-top: var(--spacing-xl);
}

.result-domain {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

.result-domain-name {
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Findings grid — one card per category (MX / SPF / DMARC) */
.findings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.findings-card {
  background-color: var(--color-bg-card);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.findings-title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.findings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.findings-empty {
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
}

/* Individual finding row */
.finding {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  line-height: 1.5;
  font-size: 0.9375rem;
}

.finding-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  flex-shrink: 0;
  line-height: 1;
}

.finding-ok .finding-icon {
  background-color: rgba(0, 162, 0, 0.15);
  color: var(--color-signature-green);
}

.finding-ok .finding-icon::before {
  content: "\2713"; /* ✓ */
}

.finding-warning .finding-icon {
  background-color: rgba(230, 137, 36, 0.15);
  color: var(--color-xanthe-orange);
}

.finding-warning .finding-icon::before {
  content: "!";
}

.finding-error .finding-icon {
  background-color: rgba(227, 66, 52, 0.15);
  color: var(--color-vermilion);
}

.finding-error .finding-icon::before {
  content: "\2715"; /* ✕ */
}

.finding-message code {
  background-color: var(--color-bg-dark);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--color-primary-end);
}

/* Subtle category accent on each findings card */
.findings-card-mx { border-left: 3px solid var(--color-primary-end); }
.findings-card-spf { border-left: 3px solid var(--color-auspicious-blue); }
.findings-card-dmarc { border-left: 3px solid var(--color-patina-green); }

@media (max-width: 768px) {
  .findings-grid { grid-template-columns: 1fr; }
  .example-domains { grid-template-columns: 1fr; }
  .result-domain { font-size: 1.25rem; }
}