/* ========================================================
   Variables
======================================================== */
:root {
  /* Colors */
  --color-background: #f9fafb;
  --color-surface: #fff;
  --color-text: #1a202c;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #16a34a;
  --color-warning: #f59e42;
  --color-danger: #ef4444;
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Typography */
  --font-sans: "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
  --font-heading: "Montserrat", "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.85;

  /* Spacing (0, 4, 8 ... 96) */
  --spacing-0: 0;
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-8: 32px;
  --spacing-10: 40px;
  --spacing-12: 48px;
  --spacing-16: 64px;
  --spacing-24: 96px;

  /* Radius, Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-xs: 0 1px 2px 0 rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 24px 0 rgba(16, 24, 40, 0.07);
  --shadow-lg: 0 8px 32px 0 rgba(16, 24, 40, 0.10);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(.4,0,.2,1);
  --transition-normal: 0.3s cubic-bezier(.4,0,.2,1);
}

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

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

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

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

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

/* Remove animations for users who prefer reduced motion */
@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;
  }
}

/* ========================================================
   Base Styles
======================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: var(--color-background);
  color: var(--color-text);
  font-weight: 400;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--line-height-tight);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-2);
  margin-top: var(--spacing-6);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-top: 0;
  margin-bottom: var(--spacing-4);
  max-width: 65ch;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
  outline: none;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-hover);
  text-decoration-thickness: 2px;
}

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

hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: var(--spacing-6) 0;
}

/* ========================================================
   Utilities
======================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.flex {
  display: flex !important;
}
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.justify-center { justify-content: center !important; }
.items-center { align-items: center !important; }
.gap-4 { gap: var(--spacing-4) !important; }

.grid {
  display: grid !important;
}
.grid-cols-2 { grid-template-columns: repeat(2, 1fr) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr) !important; }
.gap-8 { gap: var(--spacing-8) !important; }

.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;
}

/* ========================================================
   Components
======================================================== */
/* --- Buttons --- */
.button, button {
  appearance: none;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  padding: var(--spacing-2) var(--spacing-5);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.button:hover, button:hover,
.button:focus-visible, button:focus-visible {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.button:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.button:disabled, button:disabled {
  background: var(--gray-200);
  color: var(--gray-500);
  cursor: not-allowed;
  box-shadow: none;
}

/* --- Inputs --- */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="url"],
textarea, select {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  padding: var(--spacing-2) var(--spacing-3);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
  box-sizing: border-box;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.12);
}
input:disabled, textarea:disabled, select:disabled {
  background: var(--gray-100);
  color: var(--gray-400);
  cursor: not-allowed;
}

/* --- Card --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-6);
  margin-bottom: var(--spacing-6);
  transition: box-shadow var(--transition-fast);
}
.card:hover {
  box-shadow: var(--shadow-lg);
}

/* --- Accessibility --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========================================================
   Header & Footer styles
======================================================== */
.site-header {
  background: #fff;
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0; z-index: 100;
}
.nav {
  display: flex;
  align-items: center;
  height: 64px;
  justify-content: space-between;
}
.site-logo .logo-link {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  text-decoration: none;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  padding-right: var(--spacing-3);
}
.site-logo .logo-link img {
  height: 40px;
  width: auto;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin: 0;
}
.nav-menu li {
  list-style: none;
}
.nav-menu a {
  font-weight: 500;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  text-decoration: none;
  color: var(--color-text);
}
.nav-menu a:hover, .nav-menu a:focus {
  background: var(--gray-100);
  color: var(--color-primary-hover);
}
.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  margin-left: var(--spacing-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  font-weight: 600;
  text-decoration: none;
  padding: 8px 20px;
}
.nav-cta:hover, .nav-cta:focus {
  background: var(--color-primary-hover);
  color: #fff !important;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle:focus-visible { outline: 2px solid var(--color-primary); }
.nav-toggle-icon {
  width: 22px; height: 2px; background: var(--color-primary);
  display: block;
  position: relative;
  transition: background .2s;
}
.nav-toggle-icon::before, .nav-toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  transition: transform .2s;
}
.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }
@media (max-width: 900px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    right: 0;
    width: 100vw;
    background: #fff;
    flex-direction: column;
    align-items: flex-end;
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-8) var(--spacing-4) var(--spacing-8) var(--spacing-4);
    gap: var(--spacing-3);
    z-index: 90;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
  }
}

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-10) 0 var(--spacing-4);
  position: relative;
  z-index: 2;
  margin-top: var(--spacing-16);
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-12);
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}
.footer-copy {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-bottom: var(--spacing-4);
}
.footer-nav ul, .footer-legal ul {
  list-style: none; padding: 0; margin: 0;
}
.footer-nav ul li, .footer-legal ul li {
  margin-bottom: var(--spacing-2);
}
.footer-nav a, .footer-legal a {
  color: var(--gray-700);
  text-decoration: none;
  padding: 2px 0;
  transition: color var(--transition-fast);
  font-size: var(--font-size-base);
}
.footer-nav a:hover, .footer-legal a:hover {
  color: var(--color-primary);
}
@media (max-width: 900px) {
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-6);
    align-items: flex-start;
  }
}

/* ========================================================
   Cookie banner styles
======================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--gray-700);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-6);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
  box-shadow: 0 -3px 14px 0 rgba(18,22,40,0.04);
  transition: transform .3s;
}
.cookie-banner[aria-hidden="true"] {
  transform: translateY(100%);
  pointer-events: none;
  opacity: 0;
}
.cookie-message {
  flex: 1 1 0px;
  margin-right: var(--spacing-4);
}
.cookie-actions .button,
.cookie-actions .button.secondary {
  margin-left: var(--spacing-2);
}
.button.secondary {
  background: var(--gray-200);
  color: var(--color-primary);
  border: none;
  box-shadow: none;
}
.button.secondary:hover,
.button.secondary:focus {
  background: var(--gray-300);
  color: var(--color-primary-hover);
}

/* ========================================================
   Misc Utilities
======================================================== */
.mb-6 { margin-bottom: var(--spacing-6); }