/* Isle Of Bryndar - Modern Design System */
/* Contemporary, Sophisticated, Premium Automotive */

:root {
  /* Typography - Modern Stack */
  --font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-display: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;

  /* Modern Color Palette */
  --color-text: #0a0a0a;
  --color-text-secondary: #525252;
  --color-text-muted: #a3a3a3;
  --color-accent: #166534;
  --color-accent-light: #22c55e;
  --color-accent-dark: #14532d;
  --color-background: #ffffff;
  --color-background-secondary: #f8fafc;
  --color-background-muted: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-subtle: #f1f5f9;

  /* Modern Spacing System */
  --spacing-3xs: 0.25rem;
  --spacing-2xs: 0.5rem;
  --spacing-xs: 0.75rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Contemporary Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* Layout */
  --max-width-content: 68ch;
  --max-width-wide: 1400px;
  --header-height: 72px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  /* Modern Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

html {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  scroll-behavior: smooth;
}

body {
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 300;
}

h2 {
  font-size: var(--text-3xl);
  font-weight: 400;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: var(--text-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text);
}

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

.content-width {
  max-width: var(--max-width-content);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 100;
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-size: var(--text-lg);
  font-weight: 500;
}

.nav-links {
  display: flex;
  gap: var(--spacing-2xl);
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: var(--spacing-2xs) var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
  background: rgba(22, 101, 52, 0.05);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--color-background-secondary);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 4px 0;
  border-radius: 1px;
  transition: var(--transition-fast);
}

/* Main Content */
main {
  padding-top: var(--header-height);
}

/* Hero Section */
.hero {
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, rgba(22, 101, 52, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  min-height: 80vh;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: var(--max-width-content);
}

.hero h1 {
  margin-bottom: var(--spacing-lg);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h2 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-2xl);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

.hero .lead p {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  transition: var(--transition-normal);
}

.hero-image img:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

/* Content Sections */
.section {
  padding: var(--spacing-4xl) 0;
}

.section:nth-child(even) {
  background: var(--color-background-muted);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

.content-text {
  max-width: var(--max-width-content);
}

.content-text h2 {
  font-size: var(--text-4xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.content-text p {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.content-image {
  position: relative;
}

.content-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
}

.content-image img:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.content-image.offset img {
  transform: translateX(-24px);
  box-shadow: var(--shadow-lg);
}

.content-image.partial img {
  width: 120%;
  max-width: none;
  margin-left: -20%;
  clip-path: inset(0 0 0 20%);
  box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--color-text) 0%, #1a1a1a 100%);
  color: white;
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
}

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

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-lg);
  transition: var(--transition-fast);
  display: inline-block;
  padding: var(--spacing-2xs) 0;
  border-radius: var(--border-radius-sm);
}

.contact-link:hover {
  color: var(--color-accent-light);
  background: rgba(255, 255, 255, 0.05);
  padding-left: var(--spacing-xs);
  transform: translateX(2px);
}

.footer-bottom {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-logo img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
  }

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

  .nav-links {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .nav-links.mobile-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    flex-direction: column;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
  }

  .hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl));
  }

  .hero h2 {
    font-size: var(--text-lg);
  }

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

  .content-text h2 {
    font-size: var(--text-3xl);
  }

  .content-image.partial img {
    width: 100%;
    margin-left: 0;
    clip-path: none;
  }

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

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .hero h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--spacing-md);
  }

  .hero h2 {
    margin-bottom: var(--spacing-lg);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  .nav-links.mobile-open {
    padding: var(--spacing-lg);
  }
}

/* Modern Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-1px);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.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;
}

/* Modern Focus States */
.nav-link:focus-visible,
.btn:focus-visible,
.mobile-menu-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}