@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap");

/* ============================================================================
   intarp.com — Company website styles
   Desktop-first, WCAG AA compliant
   Design tokens reused from LOI / platform shared tokens
   ============================================================================ */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors — sourced from shared/src/brand/colors.js */
  --color-primary: #3498db;
  --color-primary-dark: #2874a6;
  --color-primary-light: #5dade2;
  --color-primary-50: #ebf5fb;
  --color-accent: #e67e22;
  --color-accent-light: #f0a04b;
  --color-success: #22c55e;
  --color-success-light: #dcfce7;
  --color-error: #ef4444;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Typography */
  --font-sans:
    "IBM Plex Sans", "Space Grotesk", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-display:
    "Space Grotesk", "IBM Plex Sans", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --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;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   Header
   ============================================================================ */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-gray-200);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.header-content {
  max-width: 75rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 28px;
  height: 34px;
  flex-shrink: 0;
}

.company-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--spacing-lg);
  margin-left: auto;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:focus {
  outline: 3px solid rgba(52, 152, 219, 0.3);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.language-switch {
  display: flex;
  gap: var(--spacing-xs);
  margin-left: auto;
}

.lang-button {
  background-color: transparent;
  color: var(--color-gray-700);
  border: 2px solid var(--color-gray-300);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-button:hover {
  border-color: var(--color-gray-400);
  background-color: var(--color-gray-50);
}

.lang-button[aria-current="true"] {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.lang-button:focus {
  outline: 3px solid rgba(52, 152, 219, 0.3);
  outline-offset: 2px;
}

/* ============================================================================
   Shared Section Styles
   ============================================================================ */

.section-container {
  max-width: 75rem;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  text-align: center;
  max-width: 42rem;
  margin: 0 auto var(--spacing-2xl);
  line-height: var(--line-height-relaxed);
}

/* ============================================================================
   Hero
   ============================================================================ */

.hero {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  color: #ffffff;
  padding: var(--spacing-4xl) var(--spacing-lg);
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-container {
  max-width: 55rem;
  width: 100%;
}

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

.hero h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
}

/* --- Rotating text --- */
.hero-rotate {
  display: block;
  position: relative;
  height: 1.3em;
  overflow: hidden;
}

.hero-rotate-word {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  color: var(--color-accent);
  opacity: 0;
  transform: translateY(40%);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.hero-rotate-word.is-visible {
  position: relative;
  opacity: 1;
  transform: translateY(0);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

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

/* ============================================================================
   CTA Buttons
   ============================================================================ */

.cta-button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
  text-decoration: none;
  text-align: center;
  border: 2px solid transparent;
}

.cta-button:focus {
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

.cta-primary {
  background-color: #ffffff;
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.2);
}

.cta-secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.cta-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.cta-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.cta-outline:focus {
  outline-color: rgba(52, 152, 219, 0.3);
}

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

/* ============================================================================
   About Section
   ============================================================================ */

.about-section {
  padding: var(--spacing-4xl) 0;
  background-color: #ffffff;
}

.about-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.about-text p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.stat-card {
  background: var(--color-primary-50);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.stats-date {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin-top: var(--spacing-sm);
  text-align: center;
  font-style: italic;
}

/* ============================================================================
   How It Works Section
   ============================================================================ */

.how-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-gray-50);
}

.how-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

.how-track {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.how-track h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

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

.how-steps li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.how-steps li:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.how-steps li span:not(.step-number) {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: var(--line-height-normal);
  padding-top: 0.25rem;
}

/* ============================================================================
   Industries Section
   ============================================================================ */

.industries-section {
  padding: var(--spacing-4xl) 0;
  background-color: #ffffff;
}

.industries-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--spacing-lg);
}

.industry-card {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition:
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.industry-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.industry-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.industry-card h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gray-800);
}

/* ============================================================================
   Trust / Why Intarp Section
   ============================================================================ */

.trust-section {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-gray-50);
}

.trust-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.trust-bullets {
  list-style: none;
  max-width: 52rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.trust-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.trust-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-success-light);
  color: var(--color-success);
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.trust-text h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray-900);
}

.trust-text p {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

/* ============================================================================
   CTA Section (bottom)
   ============================================================================ */

.cta-section {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  color: #ffffff;
  text-align: center;
}

.cta-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: var(--spacing-md);
}

.cta-section .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.cta-pair {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  margin-bottom: var(--spacing-2xl);
}

.cta-contact {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.85);
}

.cta-contact .contact-link {
  color: #ffffff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cta-contact .contact-link:hover {
  color: rgba(255, 255, 255, 0.9);
}

.cta-contact .contact-link:focus {
  outline: 3px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

/* ============================================================================
   Footer
   ============================================================================ */

.footer {
  padding: var(--spacing-2xl) var(--spacing-lg);
  background-color: var(--color-gray-900);
  color: #ffffff;
  text-align: center;
}

.footer-content {
  max-width: 75rem;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  width: 22px;
  height: 26px;
  flex-shrink: 0;
}

.footer-company {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.footer-address {
  font-style: normal;
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-link {
  color: var(--color-gray-300);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-link:focus {
  outline: 3px solid rgba(255, 255, 255, 0.3);
  outline-offset: 2px;
}

.footer-copy {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* ============================================================================
   Desktop (min-width: 768px)
   ============================================================================ */

@media (min-width: 768px) {
  .header-nav {
    display: flex;
  }

  .hero-container {
    max-width: 55rem;
  }

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

  .hero h1 {
    font-size: var(--font-size-4xl);
  }

  .hero-ctas {
    flex-direction: row;
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .how-grid {
    grid-template-columns: 1fr 1fr;
  }

  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .trust-bullets {
    grid-template-columns: 1fr 1fr;
  }

  .cta-pair {
    flex-direction: row;
    justify-content: center;
  }
}

/* ============================================================================
   Large desktop (min-width: 1024px)
   ============================================================================ */

@media (min-width: 1024px) {
  .industries-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ============================================================================
   Accessibility
   ============================================================================ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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