/**
 * Foes B.V. Corporate Website Styles
 * Mobile-first, responsive design with accessibility focus
 */

/* ===========================
   CSS Custom Properties
   =========================== */

:root {
  /* Color Palette - JustFox/MyIP Inspired */
  --color-primary: #004E89;      /* Deep Blue - headers, text (JustFox) */
  --color-secondary: #1A1F71;    /* Rich Blue - sections (MyIP) */
  --color-tertiary: #2563EB;     /* Bright Blue - borders */
  --color-accent: #FF6B35;       /* Fox Orange - links, CTAs (JustFox) */
  --color-success: #F7B801;      /* Golden Yellow - highlights (JustFox) */

  /* Neutrals */
  --color-white: #FFFFFF;        /* Background, cards */
  --color-light: #F8FAFC;        /* Secondary background */
  --color-gray-light: #E2E8F0;   /* Dividers, borders */
  --color-gray-medium: #64748B;  /* Secondary text */
  --color-gray-dark: #334155;    /* Tertiary text */

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-h1: clamp(2rem, 5vw, 3rem);
  --font-size-h2: clamp(1.5rem, 4vw, 2.5rem);
  --font-size-h3: clamp(1.25rem, 3vw, 2rem);
  --font-size-body: clamp(1rem, 2vw, 1.125rem);
  --font-size-small: clamp(0.875rem, 1.5vw, 1rem);

  /* Spacing */
  --spacing-xs: 0.5rem;   /* 8px */
  --spacing-sm: 1rem;     /* 16px */
  --spacing-md: 2rem;     /* 32px */
  --spacing-lg: 4rem;     /* 64px */
  --spacing-xl: 6rem;     /* 96px */

  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 8px;

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

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* ===========================
   Reset & Base Styles
   =========================== */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

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

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-h1);
}

h2 {
  font-size: var(--font-size-h2);
}

h3 {
  font-size: var(--font-size-h3);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover,
a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}

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

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

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  z-index: 100;
  text-decoration: none;
}

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

/* Screen reader only text */
.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;
}

/* ===========================
   Layout
   =========================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Tablet and up */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

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

header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  text-align: center;
}

header .logo {
  font-size: var(--font-size-h1);
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

header .tagline {
  font-size: var(--font-size-body);
  color: var(--color-gray-light);
  font-weight: 300;
}

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

.hero {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 100%);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.hero h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: var(--font-size-body);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
  opacity: 0.95;
}

/* Desktop */
@media (min-width: 1024px) {
  .hero {
    padding: var(--spacing-xl) 0;
  }
}

/* ===========================
   Sections
   =========================== */

section {
  padding: var(--spacing-lg) 0;
}

section:nth-of-type(even) {
  background-color: var(--color-light);
}

section h2 {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.section-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-md) auto;
  color: var(--color-gray-dark);
}

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

.about p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

/* ===========================
   Portfolio Section
   =========================== */

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* Tablet */
@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

.portfolio-item {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.portfolio-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.heading-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.portfolio-item .item-type {
  font-size: var(--font-size-small);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.portfolio-item p {
  color: var(--color-gray-dark);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.portfolio-link {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.portfolio-link:hover {
  color: var(--color-secondary);
}

/* ===========================
   Contact Section
   =========================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Tablet and up */
@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

.contact-info {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.contact-info h3 {
  color: var(--color-secondary);
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.contact-info address {
  font-style: normal;
  line-height: 1.8;
  color: var(--color-gray-dark);
}

.contact-info p {
  line-height: 1.8;
  color: var(--color-gray-dark);
}

.contact-info a {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}

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

footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-lg);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: center;
}

/* Tablet and up */
@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

.footer-links h3 {
  color: var(--color-white);
  font-size: var(--font-size-body);
  margin-bottom: var(--spacing-xs);
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: var(--color-gray-light);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

.footer-logo {
  width: 20px;
  height: 20px;
  object-fit: contain;
  vertical-align: middle;
}

.footer-legal {
  color: var(--color-gray-medium);
  font-size: var(--font-size-small);
}

/* ===========================
   Print Styles
   =========================== */

@media print {
  header,
  footer {
    page-break-after: avoid;
  }

  section {
    page-break-inside: avoid;
  }

  .portfolio-item {
    box-shadow: none;
    border: 1px solid var(--color-gray-light);
  }
}

/* ===========================
   High Contrast Mode Support
   =========================== */

@media (prefers-contrast: high) {
  :root {
    --color-primary: #000000;
    --color-accent: #0000FF;
  }

  a:focus {
    outline-width: 3px;
  }
}

/* ===========================
   Reduced Motion Support
   =========================== */

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