/*
 * NOVATE Energy – Kalkulator PV
 * Styl spójny z energy.novate.pl (dark theme, orange accent, Barlow)
 * Uzupełnia ../css/style.css
 */

/* ─── Zmienne lokalne ────────────────────────────────────────────────────── */
:root {
  --calc-card-bg: #1a1f2e;
  --calc-border: rgba(255,255,255,0.08);
  --calc-input-bg: rgba(255,255,255,0.05);
  --calc-input-border: rgba(255,255,255,0.12);
  --calc-option-bg: rgba(255,255,255,0.04);
  --calc-option-hover: rgba(249,115,22,0.1);
  --calc-option-selected: rgba(249,115,22,0.15);
  --calc-option-border-selected: var(--orange);
  --step-active: var(--orange);
  --step-done: #22c55e;
  --step-inactive: rgba(255,255,255,0.2);
}

/* ─── Hero kalkulatora ───────────────────────────────────────────────────── */
.calc-hero {
  padding: 120px 0 60px;
  background: linear-gradient(135deg, #0a0f1a 0%, #0f1724 50%, #0d1520 100%);
  border-bottom: 1px solid var(--calc-border);
  position: relative;
  overflow: hidden;
}
.calc-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.calc-hero-inner {
  max-width: 700px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,0.12);
  border: 1px solid rgba(249,115,22,0.3);
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  color: #fff;
  margin-bottom: 20px;
}
.line-orange { color: var(--orange); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 560px;
}

/* ─── Pasek statystyk ────────────────────────────────────────────────────── */
.calc-stats-bar {
  background: rgba(249,115,22,0.08);
  border-bottom: 1px solid rgba(249,115,22,0.15);
  padding: 20px 0;
}
.calc-stats-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}
.calc-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}
.calc-stat-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--orange);
}
.calc-stat-unit {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
}
.calc-stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  width: 100%;
  margin-top: -4px;
}

/* ─── Sekcja kalkulatora ─────────────────────────────────────────────────── */
.calc-section {
  padding: 80px 0;
  background: var(--bg-primary);
}
.calc-wrapper {
  max-width: 760px;
  margin: 0 auto;
}
.calc-card {
  background: var(--calc-card-bg);
  border: 1px solid var(--calc-border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

/* ─── Progress bar ───────────────────────────────────────────────────────── */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
}
.progress-bar::before {
  content: '';
  position: absolute;
  top: 18px; left: 10%; right: 10%;
  height: 2px;
  background: var(--calc-border);
  z-index: 0;
}
.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
  cursor: pointer;
}
.step-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--calc-input-bg);
  border: 2px solid var(--step-inactive);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  transition: all 0.3s ease;
}
.step-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.3s ease;
}
.progress-step.active .step-circle {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  box-shadow: 0 0 20px rgba(249,115,22,0.4);
}
.progress-step.active .step-label { color: var(--orange); }
.progress-step.done .step-circle {
  background: var(--step-done);
  border-color: var(--step-done);
  color: #fff;
}
.progress-step.done .step-label { color: var(--step-done); }

/* ─── Panele kroków ──────────────────────────────────────────────────────── */
.step-panel {
  display: none;
  animation: fadeInUp 0.3s ease;
}
.step-panel.active { display: block; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.step-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.step-subtitle {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 28px;
}

/* ─── Formularze ─────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  margin-bottom: 8px;
}
.req { color: var(--orange); }
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  font-size: 1.1rem;
  pointer-events: none;
}
.input-suffix {
  position: absolute;
  right: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
}
.form-input {
  width: 100%;
  background: var(--calc-input-bg);
  border: 1px solid var(--calc-input-border);
  border-radius: 8px;
  padding: 12px 40px 12px 44px;
  font-size: 1rem;
  font-family: 'Barlow', sans-serif;
  color: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-input:not(.input-wrap .form-input) {
  padding: 12px 14px;
}
select.form-input { padding: 12px 14px; cursor: pointer; }
.form-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}
.form-hint {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin-top: 6px;
}
.form-error {
  font-size: 0.78rem;
  color: #f87171;
  margin-top: 4px;
  min-height: 16px;
}

/* ─── Option cards ───────────────────────────────────────────────────────── */
.option-grid {
  display: grid;
  gap: 10px;
}
.option-grid-2 { grid-template-columns: repeat(2, 1fr); }
.option-grid-3 { grid-template-columns: repeat(3, 1fr); }
.option-grid-4 { grid-template-columns: repeat(4, 1fr); }
.option-card {
  background: var(--calc-option-bg);
  border: 1px solid var(--calc-border);
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.option-card:hover {
  background: var(--calc-option-hover);
  border-color: rgba(249,115,22,0.3);
}
.option-card.selected {
  background: var(--calc-option-selected);
  border-color: var(--calc-option-border-selected);
  box-shadow: 0 0 0 1px var(--orange);
}
.option-icon { font-size: 1.5rem; margin-bottom: 6px; }
.option-label { font-size: 0.85rem; font-weight: 600; color: #fff; }
.option-desc { font-size: 0.72rem; color: rgba(255,255,255,0.4); margin-top: 3px; }

/* ─── Checkbox grid ──────────────────────────────────────────────────────── */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  padding: 10px 12px;
  background: var(--calc-option-bg);
  border: 1px solid var(--calc-border);
  border-radius: 8px;
  transition: all 0.2s;
}
.checkbox-item:hover { border-color: rgba(249,115,22,0.3); }
.checkbox-item input { accent-color: var(--orange); width: 16px; height: 16px; }

/* ─── Option toggles (krok 4) ────────────────────────────────────────────── */
.options-list { display: flex; flex-direction: column; gap: 12px; }
.option-toggle {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--calc-option-bg);
  border: 1px solid var(--calc-border);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
}
.option-toggle:hover { border-color: rgba(249,115,22,0.3); background: var(--calc-option-hover); }
.option-toggle input { display: none; }
.option-toggle input:checked ~ .option-toggle-content { color: #fff; }
.option-toggle:has(input:checked) {
  border-color: var(--orange);
  background: var(--calc-option-selected);
}
.option-toggle-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
}
.option-toggle-icon { font-size: 1.5rem; flex-shrink: 0; }
.option-toggle-title { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 3px; }
.option-toggle-desc { font-size: 0.78rem; color: rgba(255,255,255,0.5); line-height: 1.4; }

/* ─── Nawigacja kroków ───────────────────────────────────────────────────── */
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--calc-border);
}
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Barlow', sans-serif;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.4); color: #fff; }

/* ─── Wyniki ─────────────────────────────────────────────────────────────── */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.result-card {
  background: rgba(249,115,22,0.08);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
}
.result-icon { font-size: 1.8rem; margin-bottom: 8px; }
.result-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 4px;
}
.result-unit { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.result-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); margin-top: 6px; }

.results-details {
  background: var(--calc-input-bg);
  border: 1px solid var(--calc-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.results-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--calc-border);
  font-size: 0.88rem;
}
.results-row:last-child { border-bottom: none; }
.results-row-label { color: rgba(255,255,255,0.6); }
.results-row-val { font-weight: 700; color: #fff; }
.results-row-val.green { color: #4ade80; }

.results-inverter {
  background: rgba(34,197,94,0.06);
  border: 1px solid rgba(34,197,94,0.15);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
}
.results-inverter strong { color: #4ade80; }
.results-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 24px;
  line-height: 1.6;
}
.results-note strong { color: rgba(255,255,255,0.7); }

/* ─── Formularz kontaktowy po wynikach ───────────────────────────────────── */
.contact-banner {
  background: linear-gradient(135deg, #0f1724 0%, #1a1f2e 100%);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: 14px;
  padding: 32px;
  margin-top: 24px;
}
.contact-banner-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-banner-icon {
  font-size: 2rem;
  flex-shrink: 0;
}
.contact-banner-header h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.contact-banner-header p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}
.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}
.contact-banner .form-input {
  padding: 11px 14px;
}
.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}
.consent-row input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--orange);
  flex-shrink: 0;
}

/* ─── Sukces ─────────────────────────────────────────────────────────────── */
.contact-success {
  text-align: center;
  padding: 40px 20px;
}
.success-icon-wrap {
  width: 64px; height: 64px;
  background: rgba(34,197,94,0.15);
  border: 2px solid #22c55e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.success-icon-wrap svg {
  width: 28px; height: 28px;
  stroke: #22c55e;
}
.contact-success h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.contact-success p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: 20px;
}
.success-badges {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.success-badge {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* ─── Sekcja "Jak działa" ────────────────────────────────────────────────── */
.calc-how-section {
  padding: 80px 0;
  background: #0a0f1a;
  border-top: 1px solid var(--calc-border);
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.how-card {
  background: var(--calc-card-bg);
  border: 1px solid var(--calc-border);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  transition: border-color 0.3s;
}
.how-card:hover { border-color: rgba(249,115,22,0.3); }
.how-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: rgba(249,115,22,0.1);
  position: absolute;
  top: 16px; right: 20px;
  line-height: 1;
}
.how-icon { font-size: 2rem; margin-bottom: 14px; }
.how-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.how-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* ─── Aktywny link w nav ─────────────────────────────────────────────────── */
.nav-links a.active {
  color: var(--orange) !important;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .calc-card { padding: 24px 20px; }
  .option-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .option-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .contact-form-row { grid-template-columns: 1fr; }
  .calc-stats-bar .container { justify-content: center; gap: 16px; }
}
@media (max-width: 600px) {
  .calc-hero { padding: 100px 0 40px; }
  .option-grid-2 { grid-template-columns: 1fr; }
  .option-grid-3 { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .progress-bar { gap: 4px; }
  .step-label { display: none; }
}