/* ============================================================
   Beauvais Info Solidaire - Stylesheet
   Site d'information communautaire pour Beauvais, France
   Auteur : Roman Antropov
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-primary-dark: #4f46e5;
  --color-primary-deeper: #3730a3;
  --color-accent: #f59e0b;
  --color-accent-light: #fbbf24;
  --color-accent-bg: #fffbeb;
  --color-rose: #f43f5e;
  --color-rose-bg: #fff1f2;
  --color-emerald: #10b981;
  --color-emerald-bg: #ecfdf5;
  --color-sky: #0ea5e9;
  --color-sky-bg: #f0f9ff;
  --color-violet-bg: #f5f3ff;
  --color-background: #fafaf9;
  --color-foreground: #1c1917;
  --color-white: #ffffff;
  --color-gray-50: #fafaf9;
  --color-gray-100: #f5f5f4;
  --color-gray-200: #e7e5e4;
  --color-gray-300: #d6d3d1;
  --color-gray-400: #a8a29e;
  --color-gray-500: #78716c;
  --color-gray-600: #57534e;
  --color-gray-700: #44403c;
  --color-gray-800: #292524;
  --color-gray-900: #1c1917;
  --color-red-500: #ef4444;
  --color-red-600: #dc2626;
  --color-green-100: #dcfce7;
  --color-green-600: #16a34a;
  --color-green-800: #166534;
  --color-orange-50: #fff7ed;
  --color-orange-200: #fed7aa;
  --color-orange-800: #9a3412;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.03), 0 2px 8px rgba(0,0,0,0.05);
  --shadow-card-hover: 0 8px 24px rgba(99, 102, 241, 0.12), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-foreground);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-900);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
}

h1 { font-size: 2.75rem; font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9375rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-gray-600);
}

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

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

strong { font-weight: 600; }

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.375rem;
  color: var(--color-gray-600);
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: 2rem 0;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.page-container {
  padding-top: 2rem;
  padding-bottom: 3rem;
  flex: 1;
}

/* --- Header / Navigation --- */
.header {
  background: rgba(250, 250, 249, 0.8);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  color: var(--color-gray-900);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-gray-900);
  flex-shrink: 0;
}

.header-brand:hover {
  text-decoration: none;
  color: var(--color-gray-900);
}

.header-brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #a78bfa 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.125rem;
}

.header-brand-text {
  display: flex;
  flex-direction: column;
}

.header-brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-gray-900);
}

.header-brand-sub {
  font-size: 0.6875rem;
  color: var(--color-gray-500);
  letter-spacing: 0.02em;
}

/* Logo */
.logo {
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.85;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.4375rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-gray-600);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
  text-decoration: none;
}

.nav-link.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Mobile menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-gray-600);
  padding: 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.25rem;
}

.hamburger:hover {
  background-color: var(--color-gray-100);
  color: var(--color-gray-900);
}

.hamburger svg {
  width: 24px;
  height: 24px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--color-gray-200);
  background: rgba(250, 250, 249, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu .container {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  margin-bottom: 0.125rem;
  color: var(--color-gray-700);
}

/* --- Card --- */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
  padding: 1.75rem;
  position: relative;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card-header {
  padding: 1.25rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.card-header-blue {
  background: linear-gradient(135deg, var(--color-violet-bg) 0%, #ede9fe 100%);
  border-bottom-color: #c4b5fd;
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--color-gray-100);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.5;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
  color: var(--color-white);
}

.btn-outline {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-violet-bg);
  color: var(--color-primary-dark);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-emerald), #059669);
  color: var(--color-white);
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
  color: var(--color-white);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-gray-800);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  box-shadow: var(--shadow-lg);
  color: var(--color-gray-900);
}

.btn-secondary {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.btn-secondary:hover {
  background-color: var(--color-gray-200);
  color: var(--color-gray-900);
}

.btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.875rem 2.25rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

.form-label .required {
  color: var(--color-rose);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-gray-300);
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-red-500);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--color-red-600);
  margin-top: 0.25rem;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin-top: 0.25rem;
}

.form-input-with-icon {
  position: relative;
}

.form-input-with-icon .form-input {
  padding-right: 2.5rem;
}

.form-input-icon {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  font-size: 0.875rem;
  pointer-events: none;
}

/* --- Badges --- */
.badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-blue {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: var(--color-primary);
}

.badge-green {
  background: linear-gradient(135deg, #ecfdf5, var(--color-green-100));
  color: var(--color-green-800);
}

.badge-orange {
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  color: #92400e;
}

.badge-purple {
  background: linear-gradient(135deg, var(--color-violet-bg), #ede9fe);
  color: #5b21b6;
}

.badge-red {
  background: linear-gradient(135deg, #fff1f2, #ffe4e6);
  color: #9f1239;
}

.badge-gray {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.badge-white {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.badge-teal {
  background: linear-gradient(135deg, #f0fdfa, #ccfbf1);
  color: #115e59;
}

.badge-pink {
  background: linear-gradient(135deg, #fdf2f8, #fce7f3);
  color: #9d174d;
}

.badge-yellow {
  background: linear-gradient(135deg, #fefce8, #fef9c3);
  color: #854d0e;
}

.badge-indigo {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  color: #3730a3;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.cards {
  display: grid;
  gap: 1.5rem;
}

.cards-2 {
  grid-template-columns: repeat(2, 1fr);
}

.cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* Card link style */
.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 2rem;
  position: relative;
}

.card-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 4px 0 0 4px;
  opacity: 0;
  transition: opacity var(--transition);
}

.card-link:hover::before {
  opacity: 1;
}

.card-link:hover {
  text-decoration: none;
  color: inherit;
}

.card-link h3 {
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
  font-size: 1.125rem;
}

.card-link:hover h3 {
  color: var(--color-primary);
}

.card-link p {
  margin: 0;
  font-size: 0.9375rem;
}

/* Section CTA */
.section-cta {
  text-align: center;
  margin-top: 2rem;
  padding: 3rem;
  background: linear-gradient(135deg, var(--color-violet-bg) 0%, #faf5ff 50%, #fdf4ff 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.section-cta h2 {
  margin-bottom: 0.5rem;
}

.section-cta p {
  margin-bottom: 1rem;
}

/* Filter group */
.filter-group {
  margin-bottom: 0.75rem;
}

.filter-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

.filter-group select,
.filter-group input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  background-color: var(--color-white);
}

.filter-group select:focus,
.filter-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

/* Info box */
.info-box {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--color-gray-200);
  margin-bottom: 1.5rem;
}

.info-list {
  list-style: none;
  padding-left: 0;
}

.info-list li {
  margin-bottom: 0.5rem;
}

/* Content block */
.content-block {
  max-width: 48rem;
}

/* Section alt background */
.section-alt {
  background-color: var(--color-white);
}

/* Author note */
.author-note {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 1.5rem;
}

/* Results display */
.results-display {
  margin-top: 2rem;
  padding: 1.75rem;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1rem 0;
}

.result-item {
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--color-violet-bg), #ede9fe);
  border-radius: var(--radius);
}

.result-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-light);
  margin-bottom: 0.25rem;
}

.result-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.result-highlight {
  font-size: 1.75rem;
}

.results-note {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  margin-top: 1rem;
}

/* Calculator form */
.calculator-form .form-group {
  margin-bottom: 1.25rem;
}

.calculator-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

.calculator-form .required {
  color: var(--color-rose);
}

.calculator-form input,
.calculator-form select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  background-color: var(--color-white);
}

.calculator-form input:focus,
.calculator-form select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

/* Back link */
.back-link {
  margin-top: 2rem;
}

/* Update date */
.update-date {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  font-style: italic;
}

/* Footer links */
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 1.25rem 0;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* Page title and intro */
.page-title {
  margin-bottom: 0.75rem;
}

.page-intro {
  font-size: 1.125rem;
  color: var(--color-gray-500);
  max-width: 48rem;
  line-height: 1.7;
}

/* Hero subtitle/text */
.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
}

.hero-text {
  font-size: 1rem;
}

/* Launch date */
.launch-date {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav open (mobile) */
.nav.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: rgba(250, 250, 249, 0.98);
  backdrop-filter: blur(20px);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* --- Sections --- */
.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-500);
  margin-bottom: 2rem;
  max-width: 42rem;
  line-height: 1.7;
}

/* --- Hero --- */
.hero {
  background: linear-gradient(140deg, #1e1b4b 0%, #312e81 20%, var(--color-primary-deeper) 40%, var(--color-primary) 60%, #a78bfa 80%, #c084fc 100%);
  color: var(--color-white);
  padding: 5.5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(251, 191, 36, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.2) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
  pointer-events: none;
  animation: heroShift 20s ease-in-out infinite;
}

@keyframes heroShift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-2%, 1%); }
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-background), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.7s ease-out;
}

.hero h1 {
  color: var(--color-white);
  font-size: 3.25rem;
  margin-bottom: 1rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}

.hero .btn {
  margin: 0.375rem;
}

.hero .btn-primary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  font-weight: 600;
}

.hero .btn-primary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  color: var(--color-white);
}

/* --- Footer --- */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-rose), var(--color-primary));
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h3 {
  color: var(--color-white);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  letter-spacing: 0;
}

.footer a {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--transition);
}

.footer a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer ul {
  list-style: none;
  padding: 0;
}

.footer li {
  margin-bottom: 0.5rem;
  color: var(--color-gray-400);
}

.footer p {
  color: var(--color-gray-400);
  font-size: 0.875rem;
}

.footer strong {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* --- Service Card --- */
.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.service-card-header {
  background: linear-gradient(135deg, var(--color-violet-bg) 0%, #ede9fe 100%);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #c4b5fd;
}

.service-card-header .badge {
  margin-bottom: 0.5rem;
}

.service-card-header h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0;
}

.service-card-body {
  padding: 1.25rem;
  flex: 1;
}

.service-card-body p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.service-card-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 0.625rem;
}

.service-card-detail svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-card-detail span {
  color: var(--color-gray-700);
}

.service-card-detail a {
  color: var(--color-primary);
}

.service-card-detail a:hover {
  text-decoration: underline;
}

.service-card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-gray-100);
}

/* --- Association Card --- */
.association-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.association-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.association-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.association-card-header .badge {
  margin-bottom: 0.5rem;
}

.association-card-header h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0;
}

.association-card-body {
  padding: 1.25rem;
  flex: 1;
}

.association-card-body > p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.association-card-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 0.625rem;
}

.association-card-detail svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.association-card-detail span {
  color: var(--color-gray-700);
}

.association-card-detail .detail-label {
  font-weight: 500;
  color: var(--color-gray-800);
}

.association-card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-gray-100);
}

.association-card-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

.association-card-footer a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.association-card-footer a svg {
  width: 16px;
  height: 16px;
}

/* --- Filter Bar --- */
.filter-bar {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 1.5rem;
}

.filter-search {
  position: relative;
  margin-bottom: 1rem;
}

.filter-search svg {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-gray-400);
  pointer-events: none;
}

.filter-search input {
  width: 100%;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-gray-300);
  padding: 0.625rem 1rem 0.625rem 2.5rem;
  font-size: 0.875rem;
  color: var(--color-gray-900);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
  background-color: var(--color-gray-50);
}

.filter-search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
  background-color: var(--color-white);
}

.filter-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.4375rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
  font-family: var(--font-sans);
}

.filter-btn:hover {
  background-color: var(--color-gray-200);
  color: var(--color-gray-800);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* --- Letter Template / Letter Box --- */
.letter-box {
  background-color: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-gray-800);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.7;
  max-height: 24rem;
  overflow-y: auto;
}

.letter-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition);
}

.letter-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.letter-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.letter-card-header h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.25rem;
}

.letter-card-header p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin: 0;
}

.letter-card-body {
  padding: 1.25rem 1.5rem;
}

.letter-card-actions {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-gray-100);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* --- Calculator Styles --- */
.calculator {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.calculator-header {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--color-violet-bg) 0%, #ede9fe 100%);
  border-bottom: 1px solid #c4b5fd;
}

.calculator-header h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.25rem;
}

.calculator-header p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin: 0;
}

.calculator-body {
  padding: 1.5rem;
}

.calculator-inputs {
  margin-bottom: 1.5rem;
}

.calculator-results {
  margin-top: 1.5rem;
}

.calculator-result-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.calculator-result-card {
  background: linear-gradient(135deg, var(--color-violet-bg), #ede9fe);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.calculator-result-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary-light);
}

.calculator-result-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-top: 0.25rem;
  letter-spacing: -0.02em;
}

.calculator-breakdown {
  margin-top: 1rem;
}

.calculator-breakdown h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: 0.75rem;
}

.calculator-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 0.5rem 0;
}

.calculator-row-label {
  color: var(--color-gray-600);
}

.calculator-row-value {
  font-weight: 600;
  color: var(--color-gray-900);
}

.calculator-row-negative {
  font-weight: 600;
  color: var(--color-rose);
}

.calculator-row-total {
  border-top: 2px solid var(--color-gray-200);
  padding-top: 0.75rem;
  margin-top: 0.375rem;
  font-weight: 700;
}

.calculator-row-total .calculator-row-label {
  color: var(--color-gray-800);
}

.calculator-disclaimer {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  line-height: 1.5;
  margin-top: 1.5rem;
}

.calculator-warning {
  background: linear-gradient(135deg, #fffbeb, var(--color-orange-50));
  border: 1px solid var(--color-orange-200);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.calculator-warning p {
  font-size: 0.875rem;
  color: var(--color-orange-800);
  font-weight: 500;
  margin: 0;
}

/* Toggle button group */
.toggle-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toggle-group-label {
  font-size: 0.875rem;
  color: var(--color-gray-700);
}

.toggle-group-buttons {
  display: inline-flex;
  background-color: var(--color-gray-100);
  border-radius: var(--radius);
  padding: 3px;
}

.toggle-btn {
  padding: 0.4375rem 1.125rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border: none;
  border-radius: calc(var(--radius) - 2px);
  cursor: pointer;
  transition: all var(--transition);
  background-color: transparent;
  color: var(--color-gray-600);
  font-family: var(--font-sans);
}

.toggle-btn:hover {
  color: var(--color-gray-800);
}

.toggle-btn.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.25);
}

/* --- Testimonials --- */
.testimonial-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 0.75rem;
  right: 1.25rem;
  font-size: 3rem;
  color: var(--color-gray-200);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.testimonial-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-gray-900);
  font-size: 0.9375rem;
}

.testimonial-date {
  font-size: 0.75rem;
  color: var(--color-gray-400);
}

.testimonial-text {
  color: var(--color-gray-600);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}

/* --- Success Message --- */
.success-message {
  text-align: center;
  padding: 2.5rem;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #ecfdf5, var(--color-green-100));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.success-icon svg {
  width: 36px;
  height: 36px;
  color: var(--color-green-600);
}

.success-message h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.success-message p {
  color: var(--color-gray-600);
}

/* --- Alert / Info Box --- */
.alert {
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  border-left: 4px solid transparent;
}

.alert-info {
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  border-left-color: var(--color-primary);
  color: var(--color-primary-deeper);
}

.alert-warning {
  background: linear-gradient(135deg, #fffbeb, var(--color-orange-50));
  border-left-color: var(--color-accent);
  color: var(--color-orange-800);
}

.alert-success {
  background: linear-gradient(135deg, #ecfdf5, var(--color-green-100));
  border-left-color: var(--color-emerald);
  color: var(--color-green-800);
}

/* --- No Results --- */
.no-results {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-gray-500);
}

.no-results p {
  font-size: 1rem;
  margin: 0;
}

.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.info-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.info-card p {
  font-size: 0.875rem;
  margin-bottom: 0.45rem;
}

.update-stamp {
  margin-top: 0.75rem;
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--color-gray-400);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- FAQ Section --- */
.section-faq {
  background: var(--color-background);
}

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.08);
}

.faq-item summary {
  padding: 1.125rem 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-heading);
  transition: background 0.15s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::before {
  content: "−";
  transform: rotate(180deg);
}

.faq-item summary:hover {
  background: rgba(99, 102, 241, 0.04);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--color-border);
}

.faq-item p {
  padding: 1rem 1.25rem 1.25rem;
  margin: 0;
  color: var(--color-text);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav {
    display: none;
  }

  .hamburger {
    display: inline-flex;
  }

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

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .card-grid,
  .cards-2,
  .cards-3,
  .results-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3.5rem 0;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .header .container {
    height: 56px;
  }

  .header-brand-name {
    font-size: 1rem;
  }

  .header-brand-sub {
    display: none;
  }

  .calculator-result-cards {
    grid-template-columns: 1fr;
  }

  .letter-card-actions {
    flex-direction: column;
  }

  .letter-card-actions .btn {
    width: 100%;
  }

  .filter-categories {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
  }

  .filter-btn {
    flex-shrink: 0;
  }

  .toggle-group {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2.5rem 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .btn-lg {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  .card {
    padding: 1.25rem;
  }

  .card-body,
  .card-header,
  .card-footer {
    padding: 1rem;
  }
}

/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.text-gray { color: var(--color-gray-500); }
.text-gray-dark { color: var(--color-gray-700); }
.text-white { color: var(--color-white); }
.text-primary { color: var(--color-primary); }
.text-red { color: var(--color-red-600); }
.text-green { color: var(--color-green-600); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mx-auto { margin-left: auto; margin-right: auto; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.w-full { width: 100%; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.rounded { border-radius: var(--radius); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.border { border: 1px solid var(--color-gray-200); }
.border-t { border-top: 1px solid var(--color-gray-200); }
.border-b { border-bottom: 1px solid var(--color-gray-200); }

.bg-white { background-color: var(--color-white); }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-accent { background-color: var(--color-accent-bg); }

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

.shrink-0 { flex-shrink: 0; }
.flex-1 { flex: 1; }

.leading-relaxed { line-height: 1.7; }

.list-none { list-style: none; padding-left: 0; }

.cursor-pointer { cursor: pointer; }

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

/* --- Print Styles --- */
@media print {
  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  .header,
  .footer,
  .hamburger,
  .mobile-menu,
  .filter-bar,
  .btn,
  .no-print {
    display: none !important;
  }

  .page-container {
    padding: 0;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .card,
  .letter-card,
  .calculator {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .letter-box {
    max-height: none;
    overflow: visible;
    border: none;
    padding: 0;
    font-size: 12pt;
    line-height: 1.6;
  }

  a {
    color: black;
    text-decoration: none;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  .hero {
    background: none;
    color: black;
    padding: 1rem 0;
  }

  .hero h1,
  .hero p {
    color: black;
  }
}