/* =============================================================
   Variables
   Theme: Modern, sophisticated, automotive (dark/metallic/red)
   ============================================================= */
:root {
  /* Color scheme */
  color-scheme: dark;

  /* Brand & UI colors */
  --color-background: #0e0f11; /* near-black */
  --color-surface: #14171a;    /* deep graphite */
  --color-elevated: #1a1f24;   /* elevated surface */
  --color-text: #e5e7eb;       /* soft silver */
  --color-text-muted: #9ca3af; /* muted silver */
  --color-primary: #c1122f;    /* deep performance red */
  --color-primary-600: #a50f28;
  --color-primary-500: #c1122f;
  --color-primary-400: #e01a3a;
  --color-success: #16a34a;    /* green */
  --color-warning: #f59e0b;    /* amber */
  --color-danger:  #ef4444;    /* signal red */
  --color-silver:  #c0c0c0;    /* metallic accent */

  /* Neutral grays (useful across themes) */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Borders & outlines */
  --color-border: #2b3036;
  --focus-ring: 0 0 0 3px rgba(193, 18, 47, 0.4), 0 0 0 1px var(--color-primary);

  /* Typography */
  --font-sans: "Inter", "Roboto", "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Oswald", "Roboto Condensed", "Impact", "Inter", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Font sizes */
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 18px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 30px;
  --text-4xl: 36px;
  --text-5xl: 48px;

  /* Line heights */
  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing scale (0–96px) */
  --space-0: 0px;
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 8px;
  --space-4: 12px;
  --space-5: 16px;
  --space-6: 20px;
  --space-7: 24px;
  --space-8: 32px;
  --space-9: 40px;
  --space-10: 48px;
  --space-11: 64px;
  --space-12: 80px;
  --space-13: 96px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  /* Shadows (subtle, suited for dark UI) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --duration-fast: 120ms;
  --duration-normal: 200ms;
  --duration-slow: 320ms;
  --easing-standard: cubic-bezier(0.2, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
}

/* =============================================================
   Reset / Normalize
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; }

html, body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body { min-height: 100vh; line-height: var(--leading-normal); }

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }

ul[role='list'], ol[role='list'] { list-style: none; padding: 0; margin: 0; }

button, input, select, textarea { font: inherit; color: inherit; }

/* Remove default button styles across browsers */
button { background: none; border: 0; padding: 0; }

/* Smooth font rendering on dark backgrounds */
body, input, textarea, select, button { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* =============================================================
   Base Styles
   ============================================================= */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: radial-gradient(1200px 600px at 100% -20%, rgba(192,192,192,0.04), transparent 40%), var(--color-background);
  letter-spacing: 0.01em;
}

main { display: block; }

p { margin-block: var(--space-5);  }

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

hr { border: 0; border-top: 1px solid var(--color-border); margin-block: var(--space-8); }

::selection { background: rgba(193, 18, 47, 0.28); color: var(--color-text); }

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: var(--leading-tight);
  letter-spacing: 0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(32px, 6vw, var(--text-5xl)); margin-block: var(--space-7) var(--space-5); }
h2 { font-size: clamp(26px, 4.5vw, var(--text-4xl)); margin-block: var(--space-6) var(--space-4); }
h3 { font-size: clamp(22px, 3.5vw, var(--text-3xl)); margin-block: var(--space-5) var(--space-3); }
h4 { font-size: var(--text-2xl); margin-block: var(--space-4) var(--space-3); }
h5 { font-size: var(--text-xl); margin-block: var(--space-3) var(--space-2); }
h6 { font-size: var(--text-lg); margin-block: var(--space-3) var(--space-2); }

/* Links */
a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; transition: color var(--duration-normal) var(--easing-standard), text-decoration-color var(--duration-normal) var(--easing-standard); }

a:hover { color: var(--color-primary-400); text-decoration-color: var(--color-primary-400); }

a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 4px; }

/* Lists */
ul, ol { padding-inline-start: 1.25rem; margin-block: var(--space-5); }

/* Code */
code, pre, kbd, samp { font-family: var(--font-mono); font-size: 0.95em; }

/* =============================================================
   Utilities
   ============================================================= */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: min(var(--space-8), 6vw);
}

.hidden { display: none !important; }

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

/* Layout helpers */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.grid-center { display: grid; place-items: center; }

.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.gap-0 { gap: var(--space-0); }
.gap-xs { gap: var(--space-2); }
.gap-sm { gap: var(--space-4); }
.gap-md { gap: var(--space-6); }
.gap-lg { gap: var(--space-8); }
.gap-xl { gap: var(--space-10); }

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

/* Elevation helpers */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* =============================================================
   Components
   ============================================================= */
/* Buttons */
.btn {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: var(--color-primary-400);
  --btn-text: #ffffff;
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: calc(var(--space-5) - 2px) var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--btn-border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--btn-bg), #ffffff 6%), var(--btn-bg));
  color: var(--btn-text);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-normal) var(--easing-standard), transform var(--duration-fast) var(--easing-standard), box-shadow var(--duration-normal) var(--easing-standard), color var(--duration-normal) var(--easing-standard);
}

.btn:hover { background: linear-gradient(180deg, color-mix(in oklab, var(--btn-bg-hover), #ffffff 6%), var(--btn-bg-hover)); }

.btn:active { transform: translateY(1px); }

.btn:focus-visible { outline: none; box-shadow: var(--focus-ring), var(--shadow-md); }

.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.6; cursor: not-allowed; box-shadow: none; }

/* Button variants */
.btn--primary { --btn-bg: var(--color-primary); --btn-bg-hover: var(--color-primary-400); --btn-text: #ffffff; --btn-border: #0000; }
.btn--secondary { --btn-bg: #2a2f36; --btn-bg-hover: #343a41; --btn-text: var(--color-text); --btn-border: var(--color-border); }
.btn--danger { --btn-bg: var(--color-danger); --btn-bg-hover: color-mix(in oklab, var(--color-danger), #ffffff 10%); --btn-text: #fff; --btn-border: #0000; }

/* Inputs */
.input, input[type="text"], input[type="email"], input[type="tel"], input[type="search"], input[type="password"], select, textarea {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
  transition: border-color var(--duration-normal) var(--easing-standard), box-shadow var(--duration-normal) var(--easing-standard), background-color var(--duration-normal) var(--easing-standard);
}

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

.input:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

/* Input groups */
.label { display: inline-block; margin-block-end: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0)) , var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-normal) var(--easing-standard), box-shadow var(--duration-normal) var(--easing-standard), border-color var(--duration-normal) var(--easing-standard);
}

.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: color-mix(in oklab, var(--color-border), var(--color-silver) 12%); }

.card header { margin-block-end: var(--space-5); }
.card footer { margin-block-start: var(--space-6); }

/* Badges (utility component) */
.badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 2px 8px; border-radius: var(--radius-pill);
  font-size: var(--text-sm); line-height: 1.4;
  background: #23282f; color: var(--color-text);
  border: 1px solid var(--color-border);
}

/* =============================================================
   Header & Footer styles
   ============================================================= */
.site-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 40;
}

.brand-logo {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  text-shadow: 0 1px 10px rgba(193,18,47,0.07);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.site-branding {
  flex: 1 0 auto;
}

.main-menu {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
  margin: 0;
}
.main-menu a {
  font-size: var(--text-lg);
  font-family: var(--font-sans);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: 6px 0 6px 0;
  border: none;
  transition: color var(--duration-fast) var(--easing-standard);
}
.main-menu a:hover,
.main-menu a:focus {
  color: var(--color-primary-400);
}

/* Mobile nav */
.mobile-menu-toggle {
  background: none;
  border: none;
  display: none;
  cursor: pointer;
  margin-left: var(--space-5);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
}
.menu-icon {
  display: block;
  width: 28px;
  height: 22px;
  position: relative;
}
.menu-icon::before, .menu-icon::after, .menu-icon {
  background: var(--color-text);
  content: '';
  display: block;
  position: absolute;
  height: 4px;
  border-radius: 2px;
  width: 20px;
  left: 0;
  transition: transform .26s cubic-bezier(0.75,0,0.3,1);
}
.menu-icon {
  position: relative;
  top: 9px;
  background: none;
  height: 4px;
}
.menu-icon::before {
  top: -9px;
}
.menu-icon::after {
  top: 9px;
}
.mobile-menu-toggle[aria-expanded="true"] .menu-icon {
  background: none;
}
.mobile-menu-toggle[aria-expanded="true"] .menu-icon::before {
  transform: translateY(9px) rotate(45deg);
}
.mobile-menu-toggle[aria-expanded="true"] .menu-icon::after {
  transform: translateY(-9px) rotate(-45deg);
}
.mobile-menu-toggle[aria-expanded="true"] .menu-icon {
  background: none;
}
/* Hide nav on mobile by default */
@media (max-width: 900px) {
  .main-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    right: 0;
    top: 62px;
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8) var(--space-0);
    width: 90vw;
    max-width: 350px;
    z-index: 50;
    border-radius: var(--radius-md);
  }
  .main-menu.active {
    display: flex;
    animation: menu-slide-in 200ms var(--easing-standard);
  }
  .nav-bar {
    position: relative;
  }
  .mobile-menu-toggle {
    display: block;
  }
}
@keyframes menu-slide-in {
  from { opacity: 0; right: -45px; }
  to { opacity: 1; right: 0; }
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 2px solid var(--color-border);
  padding-block: var(--space-7) var(--space-11);
  margin-top: var(--space-12);
  position: relative;
  z-index: 30;
}
.footer-content {
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-6);
}
.footer-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 700;
}
.footer-menu a, .footer-legal-menu a {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  text-decoration: none;
  transition: color var(--duration-normal) var(--easing-standard);
}
.footer-menu a:hover, .footer-legal-menu a:hover {
  color: var(--color-primary);
}
.footer-copyright {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-nav, .footer-legal {
  margin-top: var(--space-4);
}
@media (max-width: 900px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-5);
    align-items: flex-start;
  }
  .footer-nav, .footer-legal {
    margin-top: var(--space-2);
  }
}

/* Accessibility Tweaks (header/footer navigation focus) */
.main-menu a:focus-visible,
.footer-menu a:focus-visible,
.footer-legal-menu a:focus-visible{
  outline: none;
  box-shadow: var(--focus-ring);
}

/* =============================================================
   Cookie Consent Banner
   ============================================================= */
.cookie-consent-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-elevated);
  color: var(--color-text);
  border-top: 2px solid var(--color-primary);
  z-index: 9999;
  padding: var(--space-5) 0;
  box-shadow: var(--shadow-lg);
  display: none;
}
.cookie-consent-banner.active {
  display: block;
  animation: fadein-banner 320ms var(--easing-standard);
}
@keyframes fadein-banner {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.cookie-consent-container {
  max-width: 960px;
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-7);
}
.cookie-consent-container p {
  margin: 0; max-width: 400px;
  font-size: var(--text-base);
}
.cookie-buttons {
  display: flex;
  gap: var(--space-4);
}
@media (max-width: 700px) {
  .cookie-consent-container {
    flex-direction: column;
    gap: var(--space-3);
    align-items: stretch;
    text-align: left;
  }
  .cookie-consent-container p {
    max-width: 100%;
  }
}

/* =============================================================
   Accessibility & Motion
   ============================================================= */
/* Focus-visible default outline for interactive elements */
:where(a, button, [role="button"], input, select, textarea)::-moz-focus-inner { border: 0; }
:where(a, button, [role="button"], input, select, textarea):focus { outline: none; }
:where(a, button, [role="button"], input, select, textarea):focus-visible { box-shadow: var(--focus-ring); border-radius: 6px; }

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

/* Responsive tweaks for images/media within cards and containers */
.card img { border-radius: calc(var(--radius-lg) - 2px); }

/* Tables (minimal) */
table { width: 100%; border-collapse: collapse; }
th, td { padding: var(--space-5); border-bottom: 1px solid var(--color-border); }
th { text-align: left; color: var(--color-text); font-family: var(--font-display); letter-spacing: 0.01em; }

/* Forms: checkbox/radio alignment (minimal) */
input[type="checkbox"], input[type="radio"] { inline-size: 1rem; block-size: 1rem; accent-color: var(--color-primary); }

/* Helper: muted text */
.muted { color: var(--color-text-muted); }

/* Helper: surface blocks */
.surface { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }

/* Footer/base spacing rhythm */
section { padding-block: clamp(var(--space-8), 6vw, var(--space-11)); }

footer ul {list-style: none;}
/* End of base.css */