/* =========================
   VARIABLES
   ========================= */
:root {
  /* Colors */
  --color-background: #f7fdf8;
  --color-surface: #ffffff;
  --color-text: #24412a;
  --color-primary: #3ca376;
  --color-primary-hover: #329365;
  --color-success: #41b883;
  --color-warning: #e7c349;
  --color-danger: #e85d5d;
  --color-gray-100: #f1f3f1;
  --color-gray-200: #e0e7e3;
  --color-gray-300: #c3cec7;
  --color-gray-400: #98a89c;
  --color-gray-500: #5f7363;
  --color-gray-600: #3a4c3c;

  /* Typography */
  --font-family-base: 'Inter', 'Segoe UI', 'Arial', sans-serif;
  --font-family-heading: 'Inter', 'Segoe UI', 'Arial', sans-serif;
  --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-base: 1.6;
  --line-height-heading: 1.15;

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

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(44,62,80,0.05);
  --shadow-md: 0 2px 8px rgba(44,62,80,0.10);
  --shadow-lg: 0 6px 24px rgba(44,62,80,0.15);

  /* Transitions */
  --transition-fast: 120ms cubic-bezier(0.4,0,0.2,1);
  --transition-med: 240ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 400ms cubic-bezier(0.4,0,0.2,1);
}

/* =========================
   RESET & NORMALIZE
   ========================= */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background-color: var(--color-background);
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}
body {
  min-height: 100vh;
}
ul, ol {
  list-style: none;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input, button, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}
button, [type='button'], [type='submit'], [role='button'] {
  cursor: pointer;
  background: none;
  border: none;
}
a {
  text-decoration-skip-ink: auto;
}

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

/* =========================
   BASE STYLES
   ========================= */
body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  background: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--color-text);
}
h1 { font-size: var(--font-size-3xl); margin-bottom: var(--space-6); }
h2 { font-size: var(--font-size-2xl); margin-bottom: var(--space-5); }
h3 { font-size: var(--font-size-xl);  margin-bottom: var(--space-4); }
h4 { font-size: var(--font-size-lg);  margin-bottom: var(--space-3); }
h5 { font-size: var(--font-size-base);margin-bottom: var(--space-2); }
h6 { font-size: var(--font-size-sm);  margin-bottom: var(--space-2); }

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-med);
}
a:hover, a:focus-visible {
  color: var(--color-primary-hover);
  text-decoration: underline solid 2px;
  outline: none;
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

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

/* =========================
   COMPONENTS
   ========================= */
.button,
button,
[type="button"],
[type="submit"],
[type="reset"] {
  display: inline-block;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  font-weight: 600;
  text-align: center;
  line-height: var(--line-height-base);
  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,
.button[aria-disabled="true"] {
  opacity: 0.6;
  pointer-events: none;
  background: var(--color-gray-300);
  color: var(--color-gray-600);
}

input[type="text"],
input[type="email"],
input[type="search"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-gray-200);
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: none;
  resize: vertical;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
input:disabled, textarea:disabled, select:disabled {
  opacity: 0.5;
  background: var(--color-gray-100);
  cursor: not-allowed;
}

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

/* =========================
   HEADER & FOOTER STYLES
   ========================= */
/* Header */
#main-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  text-decoration: none;
  gap: 6px;
}
.site-logo .logo-icon {
  font-size: var(--font-size-2xl);
}
.site-name {
  font-family: var(--font-family-heading);
  color: var(--color-primary);
}
.nav-list {
  gap: var(--space-5);
  align-items: center;
}
.nav-list a {
  font-size: var(--font-size-base);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--color-gray-100);
  color: var(--color-primary);
}

/* Mobile Nav */
.mobile-menu-toggle {
  background: none;
  border: none;
  display: none;
  font-size: var(--font-size-2xl);
}
.menu-icon {
  width: 32px;
  height: 32px;
  display: inline-block;
  position: relative;
}
.menu-icon::before,
.menu-icon::after,
.menu-icon span {
  content: '';
  background: var(--color-primary);
  position: absolute;
  left: 6px;
  right: 6px;
  height: 4px;
  border-radius: 2px;
  transition: all var(--transition-med);
}
.menu-icon::before {
  top: 9px;
}
.menu-icon span,
.menu-icon::after {
  top: 16px;
}
.menu-icon::after {
  top: 23px;
}

/* Footer */
#main-footer {
  background: var(--color-surface);
  padding: var(--space-12) 0 var(--space-5) 0;
  box-shadow: 0 -2px 8px rgba(44,62,80,0.06);
  font-size: var(--font-size-sm);
}
.footer-content {
  grid-template-columns: 1fr 1fr 1fr;
  align-items: flex-start;
  gap: var(--space-8);
  margin-bottom: var(--space-6);
}
.footer-brand {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 7px;
}
.footer-nav ul,
.footer-legal ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-nav a,
.footer-legal a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0;
  transition: color var(--transition-fast);
}
.footer-nav a:hover,
.footer-legal a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}
.copyright {
  border-top: 1px solid var(--color-gray-200);
  padding-top: var(--space-4);
  text-align: center;
  color: var(--color-gray-500);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--color-surface);
  box-shadow: 0 -2px 8px rgba(44,62,80, 0.12);
  padding: var(--space-4) var(--space-4) var(--space-3) var(--space-4);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-sm);
}
.cookie-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  width: 100%;
  max-width: 420px;
}
.cookie-content a {
  color: var(--color-primary);
  text-decoration: underline;
}
.cookie-buttons {
  display: flex;
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
}
@media (max-width: 700px) {
  .nav-list {
    display: none;
    position: absolute;
    background: var(--color-surface);
    right: 0;
    top: 60px;
    flex-direction: column;
    min-width: 70vw;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: var(--space-6) var(--space-4);
    z-index: 50;
    gap: var(--space-4);
    align-items: flex-start;
  }
  .nav-list.open {
    display: flex;
    animation: navSlideIn 0.3s;
  }
  .mobile-menu-toggle {
    display: inline-block;
    margin-left: var(--space-2);
  }
}
@keyframes navSlideIn {
  from { transform: translateY(-20px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}

/* Accessibility: Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .nav-list.open {
    animation: none;
  }
}

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

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