@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Libre+Bodoni:ital@0;1&display=swap');

/* --- Reset i zmienne systemowe --- */
:root {
  --bg: #dedede;      /* biały/jasnoszary */
  --text: #212121;    /* czarny */
  --font-mono: 'JetBrains Mono', monospace;
  --font-serif: 'Libre Bodoni', serif;
  
  --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --border: 1px solid var(--text);
  --border-radius: 4px;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Nagłówek i Navibar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 24px 0;
  overflow: visible;
}

.site-header .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  transition: var(--transition);
}

.logo-link img {
  height: 40px;
  display: block;
  transition: var(--transition);
}

/* Pływający pasek nawigacji (floating navibar) */
.site-header.is-scrolled {
  padding: 12px 0;
}

.site-header.is-scrolled .nav-container {
  background-color: var(--bg);
  border: var(--border);
  border-radius: 9999px;
  padding: 10px 28px;
  box-shadow: 0 8px 30px rgba(33, 33, 33, 0.08);
  max-width: 90%;
}

.site-header.is-scrolled .logo-link img {
  height: 33px;
}

/* Przyciski */
.btn {
  font-family: var(--font-mono);
  font-weight: 600;
  text-decoration: none;
  color: var(--bg);
  background-color: var(--text);
  border: var(--border);
  padding: 8px 18px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  background-color: var(--bg);
  color: var(--text);
}

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

.btn-secondary:hover {
  background-color: var(--text);
  color: var(--bg);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Hero Section --- */
.hero {
  padding-top: 180px;
  padding-bottom: 80px;
  text-align: center;
  border-bottom: var(--border);
}

.hero p.eyebrow {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 6vw, 76px);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero span.lead {
  display: block;
  max-width: 600px;
  margin: 0 auto;
  font-size: 16px;
  opacity: 0.85;
}

/* --- Sekcja Wyceny i Workspace --- */
.quote-workspace {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  padding: 60px 0;
  border-bottom: var(--border);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  margin-bottom: 20px;
}

.panel-heading span {
  font-size: 18px;
  font-weight: 600;
  margin-right: 12px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--text);
}

.panel-heading h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 26px;
}

.panel-heading p {
  font-size: 12px;
  opacity: 0.7;
  margin-top: 2px;
}

/* Krok 1: Wgranie pliku */
.file-drop {
  border: 1px dashed var(--text);
  border-radius: var(--border-radius);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition);
  margin-bottom: 40px;
}

.file-drop input[type="file"] {
  display: none;
}

.file-drop svg {
  width: 32px;
  height: 32px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.file-drop:hover, .file-drop.is-dragging {
  background-color: rgba(33, 33, 33, 0.04);
}

.file-drop.has-file {
  border-style: solid;
  background-color: rgba(33, 33, 33, 0.02);
}

/* Krok 2: Parametry wydruku */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  font-weight: 600;
}

.form-grid label span {
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.form-grid .infill-label .infill-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 6px;
}

.form-grid .infill-label .infill-label-row span,
.form-grid .infill-label .infill-label-row b {
  display: inline;
  margin-bottom: 0;
}

.form-grid .infill-label .infill-label-row b {
  font-weight: 700;
}

.form-grid .infill-label input[type="range"] {
  width: 100%;
}

.form-grid select, .form-grid input[type="number"], .form-grid input[type="text"] {
  font-family: var(--font-mono);
  background-color: var(--bg);
  border: var(--border);
  border-radius: var(--border-radius);
  padding: 10px;
  color: var(--text);
  outline: none;
  font-size: 13px;
  transition: var(--transition);
  min-width: 0;
  width: 100%;
}

.form-grid select:focus, .form-grid input:focus {
  background-color: #fff;
}

.form-grid label.is-wide {
  grid-column: span 2;
}

/* Range input */
.form-grid input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--text);
  height: 2px;
  margin-top: 14px;
  outline: none;
}

.form-grid input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text);
  cursor: pointer;
  border: 1px solid var(--bg);
}

/* Checkbox parameter */
.parameter-toggle {
  grid-column: span 2;
  display: flex;
  flex-direction: row !important;
  align-items: center;
  cursor: pointer;
  margin-top: 10px;
}

.parameter-toggle input {
  margin-right: 10px;
  width: 16px;
  height: 16px;
  accent-color: var(--text);
}

.parameter-toggle span {
  margin-bottom: 0;
}

/* Statusy wyceny */
.print-status {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
}

.print-status.is-error {
  color: #c53030;
}

.print-status.is-success {
  color: #212121;
  border-left: 2px solid var(--text);
  padding-left: 10px;
}

/* --- Panel Podglądu i Cen --- */
.print-preview-panel {
  border: var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 320px;
  position: relative;
  margin-bottom: 24px;
}

.print-preview-panel header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background-color: var(--text);
  color: var(--bg);
  font-size: 11px;
}

.print-preview-panel header b {
  font-weight: 600;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.print-model-canvas {
  flex: 1;
  position: relative;
  background-color: #f3f3f3;
}

.print-model-canvas canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

.print-model-canvas canvas:active {
  cursor: grabbing;
}

.print-reset-view {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: var(--bg);
  border: var(--border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.print-reset-view:hover {
  background: var(--text);
  color: var(--bg);
}

.print-reset-view svg {
  width: 14px;
  height: 14px;
}

/* Pusty podgląd */
.print-model-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  opacity: 0.4;
}

.print-model-empty svg {
  width: 36px;
  height: 36px;
  margin-bottom: 8px;
}

/* Panel cenowy */
.print-price-panel {
  border: var(--border);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 24px;
  background-color: rgba(33, 33, 33, 0.01);
}

.print-price-panel header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.print-price-panel header h2 {
  font-family: var(--font-serif);
  font-size: 22px;
}

.print-price-panel header span {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  border: 1px solid var(--text);
  padding: 2px 6px;
  border-radius: 20px;
}

.print-price-values {
  text-align: right;
}

.print-price-values strong {
  display: block;
  font-size: 32px;
  line-height: 1;
}

.print-price-values small {
  font-size: 12px;
  opacity: 0.7;
}

.print-quote-empty {
  opacity: 0.6;
  font-size: 13px;
  font-style: italic;
}

.print-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(33, 33, 33, 0.1);
}

.print-metrics div {
  display: flex;
  flex-direction: column;
}

.print-metrics span {
  font-size: 11px;
  opacity: 0.6;
}

.print-metrics strong {
  font-size: 13px;
}

/* Tabela progów ilościowych */
.tier-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.tier-table th, .tier-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(33, 33, 33, 0.05);
}

.tier-table th {
  font-size: 11px;
  text-transform: uppercase;
  opacity: 0.6;
}

.tier-table tr.is-current {
  background-color: var(--text);
  color: var(--bg);
}

.print-disclaimer {
  font-size: 11px;
  opacity: 0.7;
  display: flex;
  align-items: center;
}

/* Krok 3: Formularz kontaktowy zlecenia */
.print-inquiry {
  padding: 60px 0;
  border-bottom: var(--border);
}

.inquiry-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  font-weight: 600;
}

.contact-form label span {
  margin-bottom: 6px;
}

.contact-form input, .contact-form textarea {
  font-family: var(--font-mono);
  background-color: var(--bg);
  border: var(--border);
  border-radius: var(--border-radius);
  padding: 12px;
  color: var(--text);
  outline: none;
  font-size: 13px;
  transition: var(--transition);
}

.contact-form input:focus, .contact-form textarea:focus {
  background-color: #fff;
}

/* --- Sekcje Informacyjne (O nas / Technologia) --- */
.info-section {
  padding: 80px 0;
  border-bottom: var(--border);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.info-content h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 400;
  margin-bottom: 24px;
}

.info-content p {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.tech-specs {
  border: var(--border);
  border-radius: var(--border-radius);
  padding: 30px;
  align-self: center;
}

.tech-specs h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 700;
}

.tech-specs ul {
  list-style: none;
}

.tech-specs li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(33, 33, 33, 0.1);
  font-size: 13px;
}

.tech-specs li:last-child {
  border-bottom: none;
}

.tech-specs li span {
  opacity: 0.7;
}

.tech-specs li strong {
  font-weight: 600;
}

/* --- Stopka --- */
.site-footer {
  padding: 40px 0;
  text-align: center;
  font-size: 12px;
  opacity: 0.7;
}

.site-footer p {
  margin-bottom: 10px;
}

.site-footer a {
  color: var(--text);
  text-decoration: underline;
}

.site-footer a:hover {
  text-decoration: none;
}

/* --- Media Queries --- */
@media (max-width: 900px) {
  .container {
    padding: 0 16px;
  }

  .site-header .nav-container {
    padding: 0 16px;
  }

  .quote-workspace, .inquiry-grid, .info-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero {
    padding-top: 120px;
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: clamp(28px, 5vw, 48px);
  }

  .hero span.lead {
    font-size: 14px;
  }

  .panel-heading h2 {
    font-size: 22px;
  }

  .file-drop {
    padding: 28px 16px;
    margin-bottom: 28px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 24px;
    border: var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
  }

  .form-grid label {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(33, 33, 33, 0.1);
    gap: 12px;
  }

  .form-grid label:last-child {
    border-bottom: none;
  }

  .form-grid label span {
    margin-bottom: 0;
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .form-grid select, .form-grid input[type="number"], .form-grid input[type="text"] {
    width: auto;
    min-width: 90px;
    max-width: 140px;
    flex-shrink: 0;
    font-size: 12px;
    padding: 6px 8px;
  }

  .form-grid input[type="range"] {
    margin-top: 0;
    flex: 1;
    min-width: 60px;
  }

  .form-grid .infill-label {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .form-grid .infill-label .infill-label-row {
    margin-bottom: 4px;
  }

  .form-grid .infill-label input[type="range"] {
    flex: none;
    width: 100%;
  }

  .form-grid .parameter-toggle {
    grid-column: span 1;
    justify-content: flex-start;
    gap: 10px;
  }

  .form-grid .parameter-toggle span {
    white-space: normal;
    flex-shrink: 1;
  }

  .print-preview-panel {
    height: 260px;
    margin-bottom: 16px;
  }

  .print-price-panel {
    padding: 16px;
    margin-bottom: 16px;
  }

  .print-price-panel header {
    flex-direction: column;
    gap: 8px;
  }

  .print-price-values {
    text-align: left;
  }

  .print-price-values strong {
    font-size: 26px;
  }

  .print-metrics {
    gap: 12px;
  }

  .print-model-empty svg {
    width: 28px;
    height: 28px;
  }

  .print-model-empty p {
    font-size: 12px;
  }

  .tier-table th, .tier-table td {
    padding: 6px 8px;
    font-size: 12px;
  }

  .print-inquiry {
    padding: 40px 0;
  }

  .info-section {
    padding: 40px 0;
  }

  .info-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
  }

  .tech-specs {
    padding: 20px;
  }

  .tech-specs li {
    flex-direction: column;
    gap: 2px;
  }

  .site-footer {
    padding: 24px 0;
  }

  .site-header.is-scrolled .nav-container {
    padding: 8px 16px;
    max-width: 95%;
  }

  .site-header.is-scrolled .logo-link img {
    height: 26px;
  }
}

@media (max-width: 420px) {
  .hero {
    padding-top: 100px;
    padding-bottom: 32px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .file-drop {
    padding: 24px 12px;
  }

  .file-drop svg {
    width: 24px;
    height: 24px;
    margin-bottom: 12px;
  }

  .print-preview-panel {
    height: 220px;
  }

  .print-preview-panel header {
    padding: 6px 10px;
    font-size: 10px;
  }

  .print-price-values strong {
    font-size: 22px;
  }

  .print-metrics {
    grid-template-columns: 1fr;
  }

  .contact-form input, .contact-form textarea {
    padding: 10px;
    font-size: 12px;
  }

  .info-content h2 {
    font-size: 24px;
  }

  .panel-heading {
    margin-bottom: 14px;
  }

  .panel-heading span {
    font-size: 16px;
  }

  .panel-heading h2 {
    font-size: 20px;
  }

  .site-header.is-scrolled .nav-container {
    padding: 6px 16px;
    max-width: 92%;
  }
}