:root {
  --ink: #141a22;
  --ink-soft: #4a5564;
  --paper: #f7f3ea;
  --paper-2: #efe8da;
  --line: rgba(20, 26, 34, 0.12);
  --stamp: #b42318;
  --gold: #c9a227;
  --rc-gold: #f5c518;
  --rc-green: #1db954;
  --rc-red: #c0392b;
  --ok: #1f6f5b;
  --shadow: 0 18px 50px rgba(20, 28, 40, 0.16);
  --radius: 18px;
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, rgba(245, 197, 24, 0.18), transparent 55%),
    radial-gradient(900px 480px at 100% 0%, rgba(29, 185, 84, 0.1), transparent 50%),
    linear-gradient(165deg, #d7dee6 0%, #c5ced8 45%, #b4bec9 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.stripe {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 30;
  background: linear-gradient(90deg, var(--rc-red) 0 33%, var(--rc-gold) 33% 66%, var(--rc-green) 66%);
}

button, input, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }

.app {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0 2rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.topbar-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.brand-name {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.brand-product {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-bureau {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.78);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.pill.linkish:hover { border-color: rgba(20, 26, 34, 0.35); color: var(--ink); }

.hero, .panel, .card, .share-banner, .results-card, .howto, .rank-strip {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  border: 1px solid rgba(20, 26, 34, 0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero {
  padding: clamp(1.5rem, 3.5vw, 2.6rem);
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  animation: rise 0.65s ease both;
}

.hero::after {
  content: "OFFICIAL";
  position: absolute;
  right: -0.4rem;
  top: 1.1rem;
  transform: rotate(12deg);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  letter-spacing: -0.04em;
  color: rgba(180, 35, 24, 0.07);
  pointer-events: none;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin: 0.3rem 0 0.8rem;
  max-width: 10ch;
}

.hero p {
  margin: 0;
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  line-height: 1.5;
}

.stamp-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.stamp {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 2px solid currentColor;
  border-radius: 6px;
  padding: 0.35rem 0.55rem;
  color: var(--stamp);
  transform: rotate(-2deg);
}

.stamp.alt { color: var(--ok); transform: rotate(2deg); }
.stamp.gold { color: #8a6a10; transform: rotate(-1deg); }

.howto {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 1.15rem;
  overflow: hidden;
  animation: rise 0.7s ease both;
  animation-delay: 0.05s;
}

.howto-step {
  padding: 1.1rem 1.15rem;
  border-right: 1px solid var(--line);
}

.howto-step:last-child { border-right: none; }

.howto-step .n {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.howto-step strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.howto-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 800px) {
  .grid, .howto { grid-template-columns: 1fr; }
  .howto-step { border-right: none; border-bottom: 1px solid var(--line); }
  .howto-step:last-child { border-bottom: none; }
}

.card {
  padding: 1.25rem 1.3rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  animation: rise 0.7s ease both;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--accent, var(--gold));
}

.card:nth-child(1) { animation-delay: 0.06s; }
.card:nth-child(2) { animation-delay: 0.12s; }
.card:nth-child(3) { animation-delay: 0.18s; }
.card:nth-child(4) { animation-delay: 0.24s; }

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(20, 28, 40, 0.2);
}

.card-code {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent, var(--ink-soft));
}

.card h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1.1;
}

.card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.45;
  flex: 1;
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  background: rgba(20, 26, 34, 0.05);
  color: var(--ink-soft);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.2rem;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.7rem 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--ink); color: #f6f1e7; }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid rgba(20, 26, 34, 0.22);
}
.btn-accent { background: var(--accent, #c45c26); color: #fff8f2; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.panel {
  padding: clamp(1.1rem, 2.5vw, 1.8rem);
  animation: rise 0.5s ease both;
}

.share-banner {
  padding: 1rem 1.15rem;
  margin-bottom: 1rem;
  border-left: 5px solid var(--rc-gold);
}

.share-banner strong { font-family: var(--font-display); }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.exam-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.55rem);
  letter-spacing: -0.035em;
  margin: 0.2rem 0 0.5rem;
  line-height: 1.05;
}

.muted { color: var(--ink-soft); line-height: 1.5; }

.progress-wrap { margin: 1rem 0 1.3rem; }
.progress-wrap.sticky {
  position: sticky;
  top: 0.5rem;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  border: 1px solid rgba(20, 26, 34, 0.08);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
}

.progress {
  height: 10px;
  border-radius: 999px;
  background: rgba(20, 26, 34, 0.08);
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent, #c45c26), #d4a017);
  transition: width 0.35s ease;
}

.pillar {
  border-top: 1px dashed var(--line);
  padding: 1.2rem 0;
}

.pillar:first-of-type { border-top: none; padding-top: 0.2rem; }

.pillar-head h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  margin: 0 0 0.2rem;
  letter-spacing: -0.02em;
}

.pillar-head .sub {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.note {
  margin: 0.55rem 0 0;
  padding: 0.65rem 0.8rem;
  background: rgba(245, 197, 24, 0.12);
  border-radius: 10px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.question { margin-top: 1.1rem; }

.question-prompt {
  font-weight: 700;
  margin: 0 0 0.7rem;
  line-height: 1.35;
}

.options { display: grid; gap: 0.5rem; }

.option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: start;
  text-align: left;
  width: 100%;
  border: 1.5px solid rgba(20, 26, 34, 0.12);
  background: rgba(255, 252, 246, 0.72);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.option:hover {
  border-color: rgba(20, 26, 34, 0.28);
  transform: translateX(2px);
}

.option.selected {
  border-color: var(--accent, #c45c26);
  background: color-mix(in srgb, var(--accent, #c45c26) 12%, #fffaf2);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, #c45c26) 35%, transparent);
}

.option .dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(20, 26, 34, 0.35);
  margin-top: 2px;
  position: relative;
}

.option.selected .dot { border-color: var(--accent, #c45c26); }
.option.selected .dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--accent, #c45c26);
}

.option .pts {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.match-grid { display: grid; gap: 0.75rem; }

.match-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 0.55rem;
  padding: 0.75rem;
  border-radius: 14px;
  background: rgba(255, 252, 246, 0.7);
  border: 1px solid rgba(20, 26, 34, 0.1);
}

@media (max-width: 800px) {
  .match-row { grid-template-columns: 1fr; }
}

.match-row label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.match-row .cat {
  font-weight: 800;
  color: var(--ink);
  align-self: center;
}

.match-row input,
.match-row select,
.field input,
.field textarea {
  width: 100%;
  border: 1.5px solid rgba(20, 26, 34, 0.16);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  background: #fffdf8;
  color: var(--ink);
}

.match-score {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ok);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}

.results-card {
  padding: clamp(1.4rem, 3vw, 2.3rem);
  text-align: center;
  animation: pop 0.55s cubic-bezier(0.2, 0.9, 0.2, 1.2) both;
  position: relative;
}

.cert-seal {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--accent, var(--stamp));
  color: var(--accent, var(--stamp));
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  transform: rotate(-3deg);
  margin-bottom: 0.75rem;
}

.score-ring {
  width: min(220px, 70vw);
  aspect-ratio: 1;
  margin: 0.5rem auto 1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, var(--paper) 58%, transparent 59%),
    conic-gradient(var(--accent, #c45c26) var(--pct, 0%), rgba(20, 26, 34, 0.1) 0);
  box-shadow: inset 0 0 0 1px rgba(20, 26, 34, 0.08);
}

.score-ring strong {
  font-family: var(--font-display);
  font-size: 2.6rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.score-ring span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  margin-top: 0.25rem;
}

.rank-title {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  margin: 0.2rem 0 0.6rem;
  letter-spacing: -0.03em;
}

.cert-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0.35rem 0 0.75rem;
}

.verdict {
  max-width: 58ch;
  margin: 1rem auto 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.breakdown {
  text-align: left;
  margin-top: 1.4rem;
  display: grid;
  gap: 0.55rem;
}

.breakdown-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  background: rgba(255, 252, 246, 0.75);
  border: 1px solid rgba(20, 26, 34, 0.08);
}

.bar-track {
  grid-column: 1 / -1;
  height: 6px;
  border-radius: 999px;
  background: rgba(20, 26, 34, 0.08);
  overflow: hidden;
}

.bar-track > span {
  display: block;
  height: 100%;
  background: var(--accent, var(--gold));
}

.rank-strip {
  margin-top: 1.15rem;
  padding: 1.1rem 1.2rem;
  animation: rise 0.75s ease both;
}

.rank-strip h3 {
  font-family: var(--font-display);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.rank-list {
  display: grid;
  gap: 0.45rem;
}

.rank-item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.75rem;
  font-size: 0.92rem;
  padding: 0.35rem 0;
  border-top: 1px dashed var(--line);
}

.rank-item:first-child { border-top: none; }

.rank-item .range {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
}

.deeper-link {
  margin-top: 1.15rem;
  padding: 1.2rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid rgba(20, 26, 34, 0.1);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  animation: rise 0.7s ease both;
  animation-delay: 0.28s;
}

.deeper-link h3 {
  font-family: var(--font-display);
  margin: 0.2rem 0 0.35rem;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
}

.deeper-link p {
  margin: 0;
  max-width: 46ch;
}

.site-footer {
  margin-top: 2rem;
  padding: 1.1rem 0 0.5rem;
  border-top: 1px solid rgba(20, 26, 34, 0.12);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.footer-links a:hover,
.link-btn:hover { color: var(--ink); }

.link-btn {
  appearance: none;
  border: none;
  background: none;
  padding: 0;
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 22, 30, 0.55);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 40;
  animation: fade 0.2s ease both;
}

.modal {
  width: min(500px, 100%);
  background: var(--paper);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  animation: pop 0.3s ease both;
  max-height: min(85vh, 720px);
  overflow: auto;
}

.modal h3 {
  font-family: var(--font-display);
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}

.field {
  display: grid;
  gap: 0.35rem;
  margin: 0.85rem 0;
}

.field label {
  font-size: 0.85rem;
  font-weight: 700;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%) translateY(120%);
  background: var(--ink);
  color: #f6f1e7;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  z-index: 50;
  transition: transform 0.25s ease;
  font-weight: 600;
}

.toast.show { transform: translateX(-50%) translateY(0); }
.hidden { display: none !important; }

.name-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: end;
  margin: 0.85rem 0 0.25rem;
  padding: 0.85rem;
  border-radius: 14px;
  background: rgba(255, 252, 246, 0.65);
  border: 1px solid rgba(20, 26, 34, 0.08);
}

.name-bar .field { margin: 0; flex: 1; min-width: 180px; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media print {
  body {
    background: white;
  }
  body::before, .stripe, .topbar, .site-footer, .toast, .modal-backdrop, .actions, .footer-nav {
    display: none !important;
  }
  .app { width: 100%; padding: 0; }
  .results-card, .panel, .hero, .card {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}