/* ===========================
   Variables
   =========================== */
:root {
  /* Color Palette */
  --color-background: #f7f6fa;
  --color-surface: #fff;
  --color-text: #181828;
  --color-primary: #673ab7;
  --color-primary-accent: #8e24aa;
  --color-success: #2ecc40;
  --color-warning: #ffd600;
  --color-danger: #e53935;
  --gray-100: #f5f5fa;
  --gray-200: #e1e1e9;
  --gray-300: #cfcfe3;
  --gray-400: #b5b5cc;
  --gray-500: #9696b3;
  --gray-600: #5a5a7a;
  --gray-700: #343452;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Mono', 'Menlo', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  /* Spacing (0, 4px, ..., 96px) */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-circle: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(60, 34, 120, 0.04);
  --shadow-sm: 0 2px 8px rgba(60,34,120,0.06);
  --shadow-md: 0 4px 16px rgba(60,34,120,0.10);
  --shadow-lg: 0 8px 32px rgba(60,34,120,0.16);

  /* Transition durations */
  --transition-fast: 120ms;
  --transition-base: 220ms;
  --transition-slow: 360ms;
}

/* ===========================
   Reset & Normalize
   =========================== */
html {
  box-sizing: border-box;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
*, *::before, *::after {
  box-sizing: inherit;
}
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}
ul[role='list'], ol[role='list'] {
  list-style: none;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input, button, textarea, select {
  font: inherit;
  margin: 0;
}
button {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
}
:focus:not(:focus-visible) {
  outline: none;
}

/* Respect reduced motion settings */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-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);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); font-weight: 600; }
h6 { font-size: var(--font-size-sm); font-weight: 600; }
p {
  margin: var(--space-3) 0;

}
a {
  color: var(--color-primary);
  text-underline-position: under;
  text-decoration: underline;
  transition: color var(--transition-base);
  outline: none;
}
a:hover,
a:focus-visible {
  color: var(--color-primary-accent);
  text-decoration-thickness: 2px;
}
a:active {
  color: var(--color-primary);
}

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

.d-flex {
  display: flex !important;
}
.flex-col {
  flex-direction: column !important;
}
.flex-center {
  justify-content: center !important;
  align-items: center !important;
}
.d-grid {
  display: grid !important;
}
.grid-gap {
  gap: var(--space-4);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ===========================
   Components
   =========================== */
.button, button, input[type="submit"], input[type="button"], .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-5);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1.6;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition:
    background-color var(--transition-base),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  min-width: 2.5em;
}
.button:hover, .btn:hover, button:hover, input[type="submit"]:hover, input[type="button"]:hover,
.button:focus-visible, .btn:focus-visible, button:focus-visible, input[type="submit"]:focus-visible, input[type="button"]:focus-visible {
  background-color: var(--color-primary-accent);
  box-shadow: var(--shadow-sm);
  outline: 2px solid var(--color-primary-accent);
  outline-offset: 2px;
}
.button:disabled, .btn:disabled, button:disabled, input[type="submit"]:disabled, input[type="button"]:disabled {
  background: var(--gray-300);
  color: var(--gray-600);
  cursor: not-allowed;
  opacity: 0.7;
}

input[type="text"], input[type="email"], input[type="password"], input[type="search"],
select, textarea {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  box-shadow: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(103,58,183,0.16);
}
input:disabled, textarea:disabled, select:disabled {
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: not-allowed;
  opacity: 0.8;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: box-shadow var(--transition-base);
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-md);
}

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

::-webkit-input-placeholder { color: var(--gray-500); }
::-moz-placeholder { color: var(--gray-500); }
:-ms-input-placeholder { color: var(--gray-500); }
::placeholder { color: var(--gray-500); }

@media (max-width: 600px) {
  .container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
  .card {
    padding: var(--space-4);
  }
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
}

/* ===========================
   Header & Footer styles
   =========================== */
.site-header {
  background: #fff;
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-content {
  height: 72px;
  justify-content: space-between !important;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--font-size-xl);
}
.site-logo a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-text);
  text-decoration: none;
}
.site-logo a:hover,
.site-logo a:focus-visible {
  color: var(--color-primary);
}
.site-title {
  letter-spacing: -0.03em;
}
.main-nav {
  position: relative;
}
.nav-list {
  display: flex;
  gap: var(--space-6);
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-list li a {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xs);
  transition: background var(--transition-fast), color var(--transition-base);
  line-height: 1.6;
}
.nav-list li a:hover,
.nav-list li a:focus-visible {
  color: var(--color-primary-accent);
  background: var(--gray-100);
  outline: 2px solid var(--color-primary-accent);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 0;
}
.nav-toggle-bar {
  width: 28px;
  height: 3px;
  background: var(--color-primary-accent);
  border-radius: 2px;
  display: block;
}
@media (max-width: 900px) {
  .header-content {
    height: 64px;
  }
}
@media (max-width: 650px) {
  .container {
    padding-left: var(--space-1);
    padding-right: var(--space-1);
  }
  .site-title {
    font-size: var(--font-size-lg);
  }
}
@media (max-width: 650px) {
  .nav-list {
    display: none;
    position: absolute;
    right: 0;
    top: 54px;
    flex-direction: column;
    width: 180px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 99;
    padding: var(--space-4) 0;
    gap: var(--space-4);
    align-items: flex-start;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }
  .nav-list.open {
    display: flex;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle {
    display: flex;
  }
}
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--gray-200);
  margin-top: var(--space-24);
  box-shadow: 0 -1px 8px 0 rgba(60, 34, 120, 0.02);
}
.footer-content {
  justify-content: space-between !important;
  align-items: flex-start;
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
}
.footer-brand {
  font-weight: bold;
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.footer-nav ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-nav a,
.footer-legal a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}
.footer-nav a:hover,
.footer-nav a:focus-visible,
.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--color-primary-accent);
  text-decoration: underline;
  outline: 2px solid var(--color-primary-accent);
}
.footer-copyright {
  text-align: center;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  padding-bottom: var(--space-6);
  margin-top: -8px;
}
@media (max-width: 900px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
    text-align: center;
  }
  .footer-nav ul, .footer-legal ul {
    flex-direction: row;
    gap: var(--space-4);
    justify-content: center;
  }
}
/* ===========================
   Cookie Consent Banner
   =========================== */
.cookie-consent-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, var(--color-primary) 80%, var(--color-primary-accent) 100%);
  color: #fff;
  font-size: var(--font-size-base);
  box-shadow: 0 -2px 24px rgba(103,58,183,0.07);
  z-index: 9999;
  display: none;
}
.cookie-consent-banner.show {
  display: block;
  animation: fadein var(--transition-slow) ease;
}
@keyframes fadein {
  0% { opacity: 0; transform: translateY(64px); }
  100% { opacity: 1; transform: translateY(0); }
}
.cookie-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--space-3);
}
.cookie-text {

  margin: 0;
}
.cookie-actions {
  flex: 0 1 auto;
  display: flex;
  gap: var(--space-2);
}
.btn-secondary {
  background: var(--gray-400);
  color: #fff;
}
.btn-secondary:hover, .btn-secondary:focus-visible {
  background: var(--color-danger);
  color: #fff;
}
@media (max-width: 650px) {
  .cookie-container {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3);
    gap: var(--space-3);
  }
  .cookie-actions {
    width: 100%;
    gap: var(--space-3);
    flex-direction: column;
  }
}