/* ============================================
   HelpUsCharity.com — Design System
   Pure CSS · Mobile-First · Accessible
   ============================================ */

/* --- Custom Properties (Design Tokens) --- */
:root {
  /* Palette */
  --color-navy: #1a3a5c;
  --color-navy-dark: #0f2740;
  --color-navy-light: #2a5a8c;
  --color-red: #e63946;
  --color-red-hover: #cf2f3c;
  --color-red-light: #fce4e6;
  --color-white: #ffffff;
  --color-off-white: #f9fafb;
  --color-gray-50: #f5f5f5;
  --color-gray-100: #e8e8e8;
  --color-gray-200: #d1d1d1;
  --color-gray-600: #555555;
  --color-gray-700: #444444;
  --color-gray-800: #333333;
  --color-warm: #fdf6ec;
  --color-warm-accent: #f4a261;
  --color-success: #2a9d8f;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;
  --line-height: 1.6;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-navy);
}

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);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-gray-700);
}

/* Focus for accessibility */
:focus-visible {
  outline: 3px solid var(--color-navy-light);
  outline-offset: 2px;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section {
  padding: var(--space-3xl) 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section--warm {
  background-color: var(--color-warm);
}

.section--navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.section--navy h2,
.section--navy h3,
.section--navy p {
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-red);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-header p {
  font-size: var(--font-size-md);
  color: var(--color-gray-600);
  max-width: 640px;
  margin: var(--space-sm) auto 0;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  letter-spacing: 0.02em;
}

.btn--primary {
  background: var(--color-red);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--color-white);
  color: var(--color-navy);
}

.btn--secondary {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-navy-dark);
  transform: translateY(-2px);
}

.btn--large {
  padding: 18px 48px;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn--disabled {
  opacity: 0.8;
  cursor: default;
  position: relative;
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-navy);
}

.navbar__logo-icon {
  font-size: 1.6rem;
}

.navbar__logo span {
  color: var(--color-red);
}

.navbar__links {
  display: none;
  gap: var(--space-xl);
}

.navbar__links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: relative;
  padding-bottom: 4px;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-red);
  transition: width var(--transition-normal);
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

.navbar__links a:hover {
  color: var(--color-navy);
}

.navbar__links a.active {
  color: var(--color-navy);
  font-weight: 600;
}

.navbar__cta {
  display: none;
}

/* Hamburger */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* Mobile Menu */
.navbar__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  z-index: 999;
  flex-direction: column;
  gap: var(--space-md);
}

.navbar__mobile-menu.open {
  display: flex;
}

.navbar__mobile-menu a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: var(--font-size-md);
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
  font-weight: 500;
}

.navbar__mobile-menu a:hover {
  color: var(--color-red);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(26, 58, 92, 0.88) 0%,
      rgba(15, 39, 64, 0.75) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.hero__title span {
  color: var(--color-warm-accent);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Feature / Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-gray-100);
}

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

.card__icon {
  width: 64px;
  height: 64px;
  background: var(--color-red-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
  color: var(--color-navy);
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* --- Stats Bar --- */
.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  text-align: center;
  padding: var(--space-2xl) 0;
}

.stat__number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-warm-accent);
  display: block;
}

.stat__label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-xs);
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  background: linear-gradient(135deg, var(--color-red) 0%, #d62839 100%);
  color: var(--color-white);
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-2xl);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 540px;
  margin: 0 auto var(--space-xl);
  font-size: var(--font-size-md);
}

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.about-intro__image {
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  overflow: hidden;
}

.about-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.value-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-100);
  transition: box-shadow var(--transition-normal);
}

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

.value-card__icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-red-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-card__content h4 {
  margin-bottom: var(--space-xs);
}

.value-card__content p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* --- Programs / Help Page --- */
.program {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-gray-100);
}

.program:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.program__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.program__image {
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  overflow: hidden;
}

.program__content h3 {
  margin-bottom: var(--space-sm);
}

.program__content p {
  font-size: var(--font-size-md);
}

.program__tag {
  display: inline-block;
  background: var(--color-red-light);
  color: var(--color-red);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}

/* --- Donate Page --- */
.donate-hero {
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
}

.donate-hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.donate-hero p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  font-size: var(--font-size-md);
}

.donate-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.donate-method {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 2px dashed var(--color-gray-200);
  transition: border-color var(--transition-normal);
}

.donate-method:hover {
  border-color: var(--color-navy-light);
}

.donate-method__icon {
  font-size: 2.4rem;
  margin-bottom: var(--space-md);
}

.donate-method__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.donate-method__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.security-note {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-warm);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-warm-accent);
  align-items: flex-start;
}

.security-note__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.security-note__text {
  font-size: var(--font-size-sm);
}

.security-note__text strong {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-navy);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.contact-form {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-gray-100);
  border-radius: var(--radius-md);
  background: var(--color-off-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  color: var(--color-gray-800);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-navy-light);
  box-shadow: 0 0 0 3px rgba(42, 90, 140, 0.12);
  background: var(--color-white);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: var(--color-red);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-info__item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  background: var(--color-red-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-info__content h4 {
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-base);
}

.contact-info__content p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

.contact-info__content a {
  color: var(--color-navy-light);
  font-weight: 500;
}

.contact-info__content a:hover {
  color: var(--color-red);
}

.map-placeholder {
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-top: var(--space-lg);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  width: 44px;
  height: 44px;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-red);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand h3 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-lg);
}

.footer__brand h3 span {
  color: var(--color-warm-accent);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer__heading {
  color: var(--color-white);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-warm-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  text-align: center;
}

.footer__bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* --- Page Banner (inner pages) --- */
.page-banner {
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-2xl);
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  text-align: center;
  color: var(--color-white);
}

.page-banner h1 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.page-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-md);
  max-width: 560px;
  margin: 0 auto;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
  color: var(--color-warm-accent);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in--delay-1 {
  animation-delay: 0.1s;
}

.animate-in--delay-2 {
  animation-delay: 0.2s;
}

.animate-in--delay-3 {
  animation-delay: 0.3s;
}

.animate-in--delay-4 {
  animation-delay: 0.4s;
}

/* =========================================
   RESPONSIVE BREAKPOINTS
   ========================================= */

/* --- Tablet (768px+) --- */
@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }

  .hero {
    min-height: 650px;
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

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

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

  .about-intro {
    grid-template-columns: 1fr 1fr;
  }

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

  .program:nth-child(even) .program__image {
    order: -1;
  }

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

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

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --- Desktop (1024px+) --- */
@media (min-width: 1024px) {
  .navbar__links {
    display: flex;
  }

  .navbar__cta {
    display: inline-block;
  }

  .navbar__toggle {
    display: none;
  }

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

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

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

/* --- Custom Donation Input --- */
.custom-donation {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-100);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.custom-donation h3 {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.custom-donation__group {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  max-width: 500px;
  margin: 0 auto;
}

.custom-donation__input-wrapper {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.custom-donation__currency {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-600);
  font-weight: 600;
  font-size: var(--font-size-md);
}

.custom-donation__input {
  width: 100%;
  padding: 14px 16px 14px 32px;
  font-size: var(--font-size-lg);
  font-weight: 600;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.custom-donation__input:focus {
  outline: none;
  border-color: var(--color-navy);
}

@media (max-width: 480px) {
  .custom-donation__group {
    flex-direction: column;
  }

  .custom-donation__input-wrapper,
  .custom-donation button {
    width: 100%;
  }
}