/* =============================================
   Idus Enterprises - Styles
   Bold, conversion-focused design
   ============================================= */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Dark, bold scheme inspired by Acquisition.com */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-accent: #22c55e;
  --color-accent-dark: #16a34a;
  --color-secondary: #94a3b8;
  --color-secondary-dark: #64748b;
  --color-text: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dark: #0f172a;
  --color-background: #0f172a;
  --color-background-light: #1e293b;
  --color-surface: #1e293b;
  --color-surface-light: #334155;
  --color-border: #334155;
  --color-error: #ef4444;
  --color-success: #22c55e;
  --color-warning: #f59e0b;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 70px;
  --announcement-height: 48px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--announcement-height));
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Visually Hidden (for accessibility) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* =============================================
   Announcement Bar
   ============================================= */
.announcement-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--announcement-height);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-lg);
  z-index: 1001;
  transition: transform var(--transition-base);
}

.announcement-bar.hidden {
  transform: translateY(-100%);
}

.announcement-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.announcement-badge {
  background: var(--color-accent);
  color: var(--color-text-dark);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.announcement-text {
  color: white;
}

.announcement-link {
  color: white;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition-fast);
}

.announcement-link:hover {
  opacity: 0.8;
}

.announcement-close {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  color: white;
  font-size: var(--font-size-xl);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  line-height: 1;
}

.announcement-close:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .announcement-text {
    display: none;
  }
}

/* =============================================
   Navigation
   ============================================= */
.nav-header {
  position: fixed;
  top: var(--announcement-height);
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: top var(--transition-base), box-shadow var(--transition-base);
}

.nav-header.announcement-hidden {
  top: 0;
}

.nav-header.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: color var(--transition-fast);
}

.nav-brand:hover,
.nav-brand:focus {
  color: var(--color-primary-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link:focus::after {
  width: 100%;
}

.nav-link-cta {
  background: var(--color-primary);
  color: white !important;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
}

.nav-link-cta::after {
  display: none;
}

.nav-link-cta:hover,
.nav-link-cta:focus {
  background: var(--color-primary-dark);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }

  .nav-links.open {
    max-height: 400px;
  }

  .nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link-cta {
    margin: var(--spacing-md) var(--spacing-lg);
    text-align: center;
  }
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--announcement-height) + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--color-background);
  z-index: -2;
}

.hero-bg::before {
  content: '';
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  left: var(--mouse-x, 50%);
  top: var(--mouse-y, 50%);
  transition: left 0.5s ease-out, top 0.5s ease-out;
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  z-index: 1;
}

.hero-eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-lg);
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-6xl));
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

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

.stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.hero-cta-subtext {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  position: relative;
}

.hero-scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(10px); opacity: 0.3; }
}

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:focus {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-full {
  width: 100%;
}

/* =============================================
   Sections Common Styles
   ============================================= */
section {
  padding: var(--spacing-5xl) 0;
}

.section-eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.025em;
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   Problem Section
   ============================================= */
.problem-section {
  background: var(--color-background);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.problem-card {
  background: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.problem-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.problem-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-error);
}

.problem-icon svg {
  width: 100%;
  height: 100%;
}

.problem-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.problem-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.problem-conclusion {
  text-align: center;
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
}

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

/* =============================================
   Solutions Section
   ============================================= */
.solutions {
  background: var(--color-surface);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.solution-card {
  background: var(--color-background);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
}

.solution-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-8px);
}

.solution-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-background) 0%, rgba(99, 102, 241, 0.1) 100%);
}

.solution-badge {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--color-accent);
  color: var(--color-text-dark);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.solution-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary-light);
}

.solution-icon svg {
  width: 100%;
  height: 100%;
}

.solution-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.solution-description {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.solution-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.solution-features li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.solution-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.solution-result {
  background: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.result-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-value {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-accent);
}

/* =============================================
   How It Works Section
   ============================================= */
.how-it-works {
  background: var(--color-background);
}

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.process-step {
  flex: 1;
  min-width: 200px;
  max-width: 250px;
  text-align: center;
  padding: var(--spacing-lg);
}

.step-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.step-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.step-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.process-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  margin-top: 40px;
}

@media (max-width: 768px) {
  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-primary), transparent);
    margin: 0;
  }
}

/* =============================================
   Social Proof Section
   ============================================= */
.social-proof {
  background: var(--color-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--color-background);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-xl);
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-content {
  margin-bottom: var(--spacing-xl);
}

.testimonial-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: 1.8;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  color: var(--color-text);
}

.author-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* =============================================
   FAQ Section
   ============================================= */
.faq {
  background: var(--color-background);
}

.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-answer.open {
  max-height: 500px;
  padding-bottom: var(--spacing-xl);
}

.faq-answer p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* =============================================
   CTA Section
   ============================================= */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-background) 100%);
  padding: var(--spacing-5xl) 0;
}

.cta-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  text-align: center;
}

.cta-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
}

.cta-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-disclaimer {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.form-label span {
  color: var(--color-error);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-xs);
  min-height: 1.25rem;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background: var(--color-background);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

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

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

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* =============================================
   Modal
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay[hidden] {
  display: flex;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
  border: 1px solid var(--color-border);
}

.modal-overlay.open .modal-content {
  transform: scale(1) translateY(0);
}

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

.modal-badge {
  display: inline-block;
  background: var(--color-error);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover,
.modal-close:focus {
  background: var(--color-surface-light);
  color: var(--color-text);
}

.modal-close:focus {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.modal-subtitle {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

.modal-disclaimer {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

/* =============================================
   Success Message
   ============================================= */
.form-success {
  padding: var(--spacing-lg);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  color: var(--color-success);
  text-align: center;
  margin-top: var(--spacing-md);
  animation: fadeIn var(--transition-base) ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   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;
  }
}

/* =============================================
   High Contrast Mode
   ============================================= */
@media (prefers-contrast: high) {
  :root {
    --color-border: #ffffff;
    --color-text-muted: #ffffff;
  }

  .btn-primary {
    border: 2px solid #ffffff;
  }

  .solution-card,
  .form-input {
    border-width: 2px;
  }
}