/* ═══════════════════════════════════════════════════
   ÁLLAMPAPÍR KALKULÁTOR – Amber / arany fintech téma
   ═══════════════════════════════════════════════════ */

:root {
  --bg:           #09080D;
  --surface:      #100F18;
  --surface2:     #17151F;
  --surface3:     #1E1B27;
  --border:       rgba(245,158,11,0.10);
  --border-hover: rgba(245,158,11,0.22);
  --border-soft:  rgba(255,255,255,0.06);

  --accent:       #F59E0B;
  --accent2:      #FBB13C;
  --accent-dim:   rgba(245,158,11,0.10);
  --accent-glow:  rgba(245,158,11,0.18);
  --accent-soft:  rgba(245,158,11,0.07);

  --gain:         #10B981;
  --loss:         #F87171;

  --text:         #EEEAF8;
  --muted:        rgba(238,234,248,0.42);
  --muted2:       rgba(238,234,248,0.65);

  --t:  0.2s;
  --t2: 0.35s;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── VISSZA GOMB ── */
.back {
  position: fixed;
  top: 1.25rem;
  left: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t);
  letter-spacing: 0.02em;
}
.back:hover { color: var(--text); }
.back svg { opacity: 0.6; transition: opacity var(--t); }
.back:hover svg { opacity: 1; }

/* ── HERO ── */
.hero {
  min-height: 54vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 7rem 1.5rem 4.5rem;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 50% 60%, rgba(245,158,11,0.13) 0%, transparent 68%),
    radial-gradient(ellipse 30% 22% at 50% 92%, rgba(245,158,11,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(245,158,11,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, black 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, black 0%, transparent 72%);
  pointer-events: none;
}

.hero::before,
.hero::after {
  content: '';
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero::before { top: 12%; left: 6%; }
.hero::after  { bottom: 18%; right: 6%; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent2);
  border: 1px solid rgba(245,158,11,0.28);
  border-radius: 50px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.5rem;
  background: rgba(245,158,11,0.07);
  animation: fade-up 0.8s cubic-bezier(.16,1,.3,1) 0.25s both;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  flex-shrink: 0;
}

.hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(3rem, 10vw, 6.5rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.25rem;
  animation: fade-up 0.9s cubic-bezier(.16,1,.3,1) 0.4s both;
}

.hero h1 .line1 {
  display: block;
  color: var(--accent2);
}

.hero h1 .line2 {
  display: block;
  font-style: italic;
  color: var(--text);
  font-size: 0.82em;
  opacity: 0.88;
}

.hero-subtitle {
  font-size: clamp(0.87rem, 2vw, 1rem);
  color: var(--muted);
  max-width: 400px;
  line-height: 1.75;
  animation: fade-up 0.9s cubic-bezier(.16,1,.3,1) 0.55s both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── MAIN ── */
main { padding-bottom: 5rem; }

.calc-wrapper {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── KÁRTYÁK ── */
.calc-card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 26px 24px;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) both;
  transition: border-color var(--t);
}
.calc-card:hover { border-color: var(--border); }

.calc-card:nth-child(1) { animation-delay: 0.05s; }
.calc-card:nth-child(2) { animation-delay: 0.12s; }
.calc-card:nth-child(3) { animation-delay: 0.19s; }
.calc-card:nth-child(4) { animation-delay: 0.26s; }
.calc-card:nth-child(5) { animation-delay: 0.33s; }
.calc-card:nth-child(6) { animation-delay: 0.40s; }

.card-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  display: block;
}

/* ── TERMÉKVÁLASZTÓ ── */
.product-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.product-card { cursor: pointer; }
.product-card input { display: none; }

.product-card-inner {
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 14px 14px 12px;
  cursor: pointer;
  transition: border-color var(--t), background var(--t), transform var(--t);
  display: flex;
  flex-direction: column;
  gap: 3px;
  height: 100%;
  background: var(--surface2);
}

.product-card-inner:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.product-card input:checked ~ .product-card-inner {
  background: rgba(245,158,11,0.08);
  border-color: rgba(245,158,11,0.32);
  box-shadow: inset 0 0 0 1px rgba(245,158,11,0.12);
}

.product-code {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.product-card input:checked ~ .product-card-inner .product-code {
  color: var(--accent);
}

.product-name {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
}

.product-type {
  font-size: 0.67rem;
  color: var(--muted);
  opacity: 0.65;
}

.product-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 5px;
  margin-top: 5px;
  width: fit-content;
}

.tax-free {
  background: rgba(16,185,129,0.12);
  color: #10B981;
  border: 1px solid rgba(16,185,129,0.2);
}

/* ── INPUT ── */
.field-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 14px 52px 14px 18px;
  color: var(--text);
  font-family: 'Instrument Serif', serif;
  font-size: 1.65rem;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}

.input-wrap input:focus {
  border-color: rgba(245,158,11,0.4);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-wrap input::placeholder { color: var(--muted); opacity: 0.5; }

.input-suffix {
  position: absolute;
  right: 18px;
  font-family: 'Instrument Serif', serif;
  font-size: 1.1rem;
  color: var(--accent);
  pointer-events: none;
  user-select: none;
}

.quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.quick-btn {
  padding: 5px 14px;
  border-radius: 8px;
  background: var(--surface2);
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t), color var(--t), background var(--t);
}

.quick-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
}

.quick-btn.active {
  border-color: rgba(245,158,11,0.35);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── FUTAMIDŐ GOMBOK ── */
.duration-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.duration-btn {
  padding: 8px 20px;
  border-radius: 10px;
  background: var(--surface2);
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--t), color var(--t), background var(--t), transform var(--t);
}

.duration-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  transform: translateY(-1px);
}

.duration-btn.active {
  background: var(--accent-dim);
  border-color: rgba(245,158,11,0.38);
  color: var(--accent);
  font-weight: 600;
}

/* ── HALADÓ OPCIÓK (details) ── */
.advanced-options {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 20px 24px;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.30s both;
  transition: border-color var(--t);
}

.advanced-options:hover { border-color: var(--border); }

.advanced-options summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--t);
}

.advanced-options summary::-webkit-details-marker { display: none; }
.advanced-options summary:hover { color: var(--text); }

.summary-arrow {
  display: inline-block;
  font-size: 0.75rem;
  transition: transform 0.2s ease;
  margin-left: auto;
  color: var(--muted);
}
.advanced-options[open] .summary-arrow { transform: rotate(180deg); }

.advanced-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border-soft);
  margin-top: 16px;
}

.option-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.label-hint {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  font-size: 0.82rem;
}

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--surface3);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent2);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent-glow);
  cursor: grab;
  transition: transform 0.15s ease, background var(--t);
}

input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.2);
  background: var(--accent);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent2);
  border: 2px solid var(--bg);
  cursor: grab;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 2px;
}

/* Tax toggle */
.tax-toggle {
  display: flex;
  gap: 6px;
}

.tax-btn {
  padding: 7px 16px;
  border-radius: 9px;
  background: var(--surface2);
  border: 1px solid var(--border-soft);
  color: var(--muted);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t);
}

.tax-btn.active {
  background: var(--accent-dim);
  border-color: rgba(245,158,11,0.35);
  color: var(--accent);
}

.tax-btn:hover:not(.active) { color: var(--text); border-color: var(--border-hover); }

.tax-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.option-note {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
  line-height: 1.5;
}

/* ── EREDMÉNY KÁRTYA ── */
.result-card {
  background: var(--surface);
  border: 1px solid rgba(245,158,11,0.14);
  border-radius: 22px;
  padding: 28px 24px 24px;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.37s both;
  transition: border-color var(--t);
}

.result-card:hover { border-color: rgba(245,158,11,0.24); }

.result-highlight {
  text-align: center;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-soft);
}

.result-sup-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  display: block;
}

.result-amount {
  display: block;
  margin-bottom: 8px;
  overflow: hidden;
}

.result-amount-inner {
  display: inline-block;
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--accent2) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-yield {
  display: block;
  font-size: 0.82rem;
  color: var(--muted2);
  letter-spacing: 0.01em;
}

/* Breakdown sorok */
.breakdown {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.row-label {
  color: var(--muted);
  font-weight: 400;
}

.row-value {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--text);
}

.row-value.gain  { color: var(--gain); }
.row-value.deduction { color: var(--loss); }
.row-value.accent {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
}

.accent-row {
  padding-top: 10px;
  border-top: 1px solid var(--border-soft);
  margin-top: 2px;
}

/* ── ÖSSZEHASONLÍTÁS ── */
.compare-toggle-btn {
  align-self: center;
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--muted);
  padding: 9px 22px;
  border-radius: 10px;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 0.83rem;
  font-weight: 500;
  transition: border-color var(--t), color var(--t);
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.44s both;
}

.compare-toggle-btn:hover {
  border-color: var(--border-hover);
  color: var(--accent);
}

.compare-panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 22px;
  padding: 24px;
  animation: fade-up 0.4s cubic-bezier(.16,1,.3,1) both;
}

.compare-title {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.compare-note {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 8px;
}

.compare-card {
  background: var(--surface2);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color var(--t);
}

.compare-card.best {
  border-color: rgba(245,158,11,0.32);
  background: rgba(245,158,11,0.06);
}

.compare-card-code {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.compare-card.best .compare-card-code { color: var(--accent); }

.compare-card-label {
  font-size: 0.7rem;
  color: var(--muted);
}

.compare-card-amount {
  font-family: 'Instrument Serif', serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  margin-top: 2px;
}

.compare-card.best .compare-card-amount { color: var(--accent2); }

.compare-card-yield {
  font-size: 0.72rem;
  color: var(--gain);
  font-weight: 500;
}

.compare-card-best-badge {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(245,158,11,0.12);
  color: var(--accent);
  border: 1px solid rgba(245,158,11,0.2);
  margin-top: 4px;
  width: fit-content;
  letter-spacing: 0.04em;
}

/* ── DISCLAIMER ── */
.disclaimer {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
  padding: 0 1rem;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.5s both;
}

.disclaimer a { color: var(--accent2); text-decoration: none; border-bottom: 1px solid rgba(245,158,11,0.3); transition: border-color var(--t), color var(--t); }
.disclaimer a:hover { color: var(--text); border-color: var(--text); }

/* ── INFO SZEKCIÓ ── */
.info-section {
  max-width: 620px;
  margin: 2.5rem auto 0;
  padding: 0 1.25rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.info-block {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 22px 22px 20px;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.1s both;
  transition: border-color var(--t);
}

.info-block:hover { border-color: var(--border); }

.info-block h2,
.info-block h3 {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.info-block h2 { font-size: 1.25rem; }
.info-block h3 { font-size: 1.1rem; }

.info-block p {
  font-size: 0.85rem;
  color: var(--muted2);
  line-height: 1.75;
}

.info-block strong { color: var(--text); font-weight: 600; }

.info-section > h2 {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  font-weight: 400;
  color: var(--text);
  margin-bottom: 6px;
  padding: 0 2px;
  letter-spacing: -0.01em;
  animation: fade-up 0.65s cubic-bezier(.16,1,.3,1) 0.05s both;
}

/* ── FOOTER ── */
footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--muted);
}

footer a { color: var(--muted); text-decoration: none; transition: color var(--t); }
footer a:hover { color: var(--text); }

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .result-amount-inner { background: none; -webkit-text-fill-color: var(--accent); color: var(--accent); }
  * { animation-duration: 0ms !important; transition-duration: 0ms !important; }
}

/* ── RESZPONZÍV ── */
@media (max-width: 540px) {
  .hero { padding: 6rem 1rem 3.5rem; min-height: 48vh; }
  .back { top: 0.75rem; left: 0.75rem; }
  .calc-wrapper { padding: 0 1rem; }
  .calc-card { padding: 20px 18px; border-radius: 18px; }
  .advanced-options { padding: 18px; border-radius: 18px; }
  .result-card { padding: 22px 18px; border-radius: 18px; }
  .info-section { padding: 0 1rem 4rem; }
  .info-block { padding: 18px; border-radius: 16px; }

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

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

@media (max-width: 360px) {
  .product-selector { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .tax-toggle { flex-wrap: wrap; }
}