/* ============================================================
   Variables
   ============================================================ */
:root {
  /* Colors */
  --color-background: #f9fafb;
  --color-surface: #ffffff;
  --color-text: #172035;
  --color-primary: #297cff;
  --color-primary-dark: #1754b9;
  --color-success: #29b56f;
  --color-warning: #ffb300;
  --color-danger: #e53e3e;
  --gray-50:  #f3f4f6;
  --gray-100: #e5e7eb;
  --gray-200: #d1d5db;
  --gray-300: #9ca3af;
  --gray-400: #6b7280;
  --gray-500: #4b5563;
  --gray-600: #374151;
  --gray-700: #1f2937;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --font-size-xs: 0.75rem;
  --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;
  --heading-line-height: 1.2;
  --body-line-height: 1.65;

  /* Spacing scale (0 - 96px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* Radius, Shadows, Transitions */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-xs: 0 1px 2px rgba(23, 32, 53, .04);
  --shadow-sm: 0 2px 8px rgba(23, 32, 53, .06);
  --shadow-md: 0 4px 16px rgba(23, 32, 53, .10);
  --transition-fast: 120ms;
  --transition-med: 250ms;
  --transition-slow: 400ms;
}


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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--color-background);
}

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

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

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

ol, ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
  padding: 0;
  color: inherit;
  background: none;
  border: none;
  outline: none;
  box-sizing: inherit;
}


/* ============================================================
   Base Styles
   ============================================================ */

body {
  background: var(--color-background);
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  line-height: var(--body-line-height);
  min-height: 100vh;
}

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

h1 {
  font-size: var(--font-size-3xl);
  margin-top: var(--space-12);
}

h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-8);
}

h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-6);
}

h4 {
  font-size: var(--font-size-lg);
}

h5 {
  font-size: var(--font-size-base);
}

h6 {
  font-size: var(--font-size-sm);
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast) cubic-bezier(.4,0,.2,1);
}

a:hover,
a:active {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

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

code, pre {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  background: var(--gray-50);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xs);
}

hr {
  border: none;
  border-top: 1px solid var(--gray-100);
  margin: var(--space-6) 0;
}

/* ============================================================
   Utilities
   ============================================================ */

.container {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.grid {
  display: grid;
}

.grid-gap {
  gap: var(--space-4);
}

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

.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.p-4  { padding: var(--space-4) !important; }
p-8  { padding: var(--space-8) !important; }

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

/* ============================================================
   Components
   ============================================================ */

.button,
button,
input[type="submit"],
input[type="button"],
input[type="reset"] {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--font-size-base);
  line-height: 1.5;
  padding: 0.5em 1.25em;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: background var(--transition-fast) cubic-bezier(.4,0,.2,1), box-shadow var(--transition-fast);
}

.button:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover,
input[type="reset"]:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

.button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible,
input[type="reset"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.button:disabled,
button:disabled,
input[type="submit"]:disabled,
input[type="button"]:disabled,
input[type="reset"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

input[disabled],
select[disabled],
textarea[disabled] {
  background: var(--gray-100);
  color: var(--gray-400);
  cursor: not-allowed;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  transition: box-shadow var(--transition-fast) cubic-bezier(.4,0,.2,1);
}

.card:hover,
.card:focus-within {
  box-shadow: 0 6px 32px rgba(41, 124, 255, 0.07), var(--shadow-md);
}

/* ============================================================
   Header & Footer Styles
   ============================================================ */

.site-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 99;
}

.header-inner {
  min-height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.5px;
}

.site-title {
  font-weight: 700;
  font-size: 1.1em;
}

.main-nav-list {
  display: flex;
  gap: 18px;
  align-items: center;
  list-style: none;
  margin-bottom: 0;
}

.main-nav-list a {
  font-size: var(--font-size-base);
  font-weight: 500;
}

.mobile-menu-toggle {
  background: none;
  border: none;
  padding: 8px;
  font-size: 1.6em;
  display: none;
  color: var(--color-primary);
  cursor: pointer;
}

/* Mobile Nav */
@media (max-width: 850px) {
  .main-nav-list {
    display: none;
    position: absolute;
    top: 64px;
    right: 0;
    background: var(--color-surface);
    width: 100vw;
    max-width: 330px;
    flex-direction: column;
    gap: 0;
    box-shadow: var(--shadow-md);
    padding: 18px 0 18px 0;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    z-index: 999;
  }
  .main-nav-list.open {
    display: flex;
    animation: fadeInMenu 220ms cubic-bezier(.4,0,.2,1);
  }
  .mobile-menu-toggle {
    display: block;
  }
}
@keyframes fadeInMenu {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--gray-100);
  margin-top: 64px;
  padding-bottom: 62px; /* Space for cookie banner */
}

.footer-inner {
  padding-top: 38px;
  padding-bottom: 28px;
}

.footer-brand {
  color: var(--color-primary);
  font-size: 1.18em;
}

.footer-links {
  gap: 14px;
}

.footer-links a {
  color: var(--gray-700);
  font-size: 0.99em;
}

.footer-links a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ============================================================
   Cookie Consent Banner
   ============================================================ */
.cookie-consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 -2px 12px rgba(41,124,255,0.06);
  z-index: 1002;
  padding: 0;
  opacity: 1;
  transition: opacity 0.25s ease;
}
.cookie-consent[aria-hidden="true"],
.cookie-consent.hidden {
  opacity: 0;
  pointer-events: none;
  height: 0;
  transition: opacity 0.2s, height 0s 0.3s;
}
.cookie-container {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  margin: 0 auto;
  padding: 18px 24px 12px 24px;
  gap: 18px;
}
.cookie-message {
  font-size: 0.99em;
  color: var(--gray-700);
}
.cookie-actions {
  display: flex;
  gap: 10px;
}
.cookie-actions .button-secondary {  
  background: var(--gray-100);
  color: var(--color-primary);
}
.cookie-actions .button-secondary:hover {
  background: var(--gray-200);
}

@media (max-width: 600px) {
  .container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .main-nav-list {
    width: 100vw;
    max-width: none;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .cookie-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 13px 10px 9px 10px;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}