* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #4a90e2;
  --color-primary-hover: #357abd;
  --color-secondary: #6c757d;
  --color-secondary-hover: #5a6268;
  --color-white: #ffffff;
  --color-light-gray: #f8f9fa;
  --color-medium-gray: #e9ecef;
  --color-dark-gray: #6c757d;
  --color-text: #212529;
  --color-text-light: #6c757d;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #20ba5a;
  --color-warning: #ffc107;
  --color-warning-bg: #fff3cd;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --border-radius: 8px;
  --border-color: #dee2e6;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --container-max-width: 1200px;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

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

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xxl) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 500;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  background-color: transparent;
  font-family: inherit;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-light-gray);
  border-color: var(--color-secondary);
  color: var(--color-text);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.hero {
  background: linear-gradient(
    135deg,
    var(--color-light-gray) 0%,
    var(--color-white) 100%
  );
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.logo-wrapper {
  margin-bottom: var(--spacing-lg);
}

.logo {
  max-width: 200px;
  margin: 0 auto;
}

.hero h1 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-size: 2.5rem;
}

.hero-subtitle {
  color: var(--color-text-light);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: stretch;
}

.hero-buttons .btn {
  min-width: 180px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

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

.card h2 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

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

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

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

.contact-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.contact-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.contact-item p {
  margin: 0;
  color: var(--color-text-light);
}

.contact-item a {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 500;
}

.copy-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 4px;
  margin-left: 6px;
  cursor: pointer;
  color: var(--color-primary);
  transition: all 0.2s ease;
  vertical-align: middle;
  border-radius: 4px;
}

.copy-icon-btn:hover {
  background-color: var(--color-light-gray);
  transform: scale(1.1);
}

.copy-icon-btn svg {
  display: block;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background-color: var(--color-whatsapp);
  color: var(--color-white) !important;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all 0.2s ease;
}

.whatsapp-btn:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.bank-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.bank-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-medium-gray);
}

.bank-item:last-child {
  border-bottom: none;
}

.bank-item strong {
  color: var(--color-text);
}

.bank-item span {
  color: var(--color-text-light);
  text-align: right;
}

.iban-text {
  font-family: "Courier New", monospace;
  font-weight: 600 !important;
  color: var(--color-text) !important;
}

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

.map-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.map-wrapper {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-wrapper iframe {
  display: block;
  width: 100%;
}

.map-section .btn {
  display: block;
  max-width: 300px;
  margin: 0 auto;
}

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

.kroki-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

.kroki-image {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 0 auto;
}

.kroki-image:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.kroki-hint {
  margin-top: var(--spacing-sm);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  overflow: auto;
}

.modal.show {
  display: block;
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 90vh;
  animation: zoom 0.3s;
}

@keyframes zoom {
  from {
    transform: scale(0.7);
  }
  to {
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--color-primary);
}

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

.return-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.return-code {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
}

.code-highlight {
  display: inline-block;
  margin-left: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: "Courier New", monospace;
}

.return-instructions p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.return-instructions p:last-child {
  margin-bottom: 0;
}

.warning-text {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  background-color: var(--color-warning-bg);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-warning);
  color: var(--color-text) !important;
  font-weight: 500;
}

.warning-text svg {
  flex-shrink: 0;
  color: var(--color-warning);
  margin-top: 2px;
}

.ptt-info {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-sm);
}

.ptt-info strong {
  display: block;
  margin-bottom: var(--spacing-xs);
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-whatsapp);
  font-weight: 600;
  text-decoration: underline;
}

.whatsapp-link:hover {
  color: var(--color-whatsapp-hover);
}

.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.footer p {
  margin: 0.25rem 0;
}

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

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #28a745;
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-10px);
}

@media (max-width: 767px) {
  :root {
    --spacing-xxl: 2.5rem;
  }

  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    width: 100%;
    min-width: auto;
  }

  .card {
    padding: var(--spacing-md);
  }

  .modal-close {
    top: 10px;
    right: 20px;
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .bank-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .bank-item span {
    text-align: left;
  }
}

@media print {
  .modal {
    display: none !important;
  }
}