:root {
  --cert-cisco: #00BCEB;
  --cert-navy: #1E4D8C;
  --cert-gold: #FBAB2C;
  --cert-hot: #E10600;
  --cert-field: #1E8B4A;
  --cert-ink: #eff7ff;
  --cert-muted: rgba(239, 247, 255, 0.72);
  --cert-panel: rgba(7, 17, 33, 0.78);
  --cert-line: rgba(255, 255, 255, 0.12);
  --cert-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  --cert-display: 'Bebas Neue', Impact, sans-serif;
  --cert-serif: 'Fraunces', Georgia, serif;
  --cert-body: 'Sora', 'Inter', system-ui, sans-serif;
  --cert-mono: 'JetBrains Mono', ui-monospace, monospace;
}

.arena-certificate-shell {
  width: 100%;
}

.arena-certificate {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  overflow: hidden;
  border-radius: 32px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, #081527 0%, #12345a 46%, #07111d 100%);
  color: var(--cert-ink);
  box-shadow: var(--cert-shadow);
  font-family: var(--cert-body);
}

.arena-certificate::before,
.arena-certificate::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  pointer-events: none;
}

.arena-certificate::before {
  border: 1px solid rgba(255,255,255,.08);
}

.arena-certificate::after {
  inset: 32px;
  border: 1px solid rgba(255,255,255,.05);
}

.arena-certificate__chrome,
.arena-certificate__content {
  position: absolute;
  inset: 0;
}

.arena-certificate__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(0, 188, 235, .28), transparent 26%),
    radial-gradient(circle at 85% 18%, rgba(251, 171, 44, .16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(30, 77, 140, .24), transparent 36%);
}

.arena-certificate__watermark {
  position: absolute;
  right: 5.5%;
  top: 7%;
  display: flex;
  gap: .28em;
  font-family: var(--cert-display);
  font-size: clamp(52px, 5.4vw, 92px);
  letter-spacing: .08em;
  text-transform: lowercase;
  color: rgba(255,255,255,.08);
}

.arena-certificate__watermark span {
  position: relative;
}

.arena-certificate__watermark span::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.38em;
  width: .1em;
  height: .2em;
  transform: translateX(-50%);
  border-radius: 999px;
  background: currentColor;
  box-shadow: -.18em 0 0 currentColor, .18em 0 0 currentColor;
}

.arena-certificate__theme-mark {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.arena-certificate--gp .arena-certificate__theme-mark--gp {
  opacity: 1;
  background:
    linear-gradient(90deg, rgba(255,255,255,.055) 0 50%, transparent 50% 100%),
    linear-gradient(rgba(255,255,255,.04) 0 50%, transparent 50% 100%);
  background-size: 34px 34px;
  mask-image: linear-gradient(135deg, rgba(0,0,0,.9), transparent 40%);
}

.arena-certificate--cup .arena-certificate__theme-mark--cup {
  opacity: 1;
  background:
    radial-gradient(circle at 18% 68%, rgba(255,255,255,.06) 0 6px, transparent 6.5px),
    radial-gradient(circle at 82% 30%, rgba(255,255,255,.06) 0 6px, transparent 6.5px);
}

.arena-certificate--cup .arena-certificate__theme-mark--cup::before,
.arena-certificate--cup .arena-certificate__theme-mark--cup::after {
  content: "❦";
  position: absolute;
  top: 18%;
  font-size: clamp(70px, 6vw, 108px);
  color: rgba(251,171,44,.2);
}

.arena-certificate--cup .arena-certificate__theme-mark--cup::before { left: 6%; transform: rotate(-16deg); }
.arena-certificate--cup .arena-certificate__theme-mark--cup::after { right: 6%; transform: scaleX(-1) rotate(-16deg); }

.arena-certificate__content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4.8% 5.4%;
}

.arena-certificate__topbar,
.arena-certificate__footer,
.arena-certificate__stats {
  display: flex;
  align-items: center;
}

.arena-certificate__topbar,
.arena-certificate__footer {
  justify-content: space-between;
  gap: 24px;
}

.arena-certificate__eyebrow,
.arena-certificate__label,
.arena-certificate__event,
.arena-certificate__stat span,
.arena-certificate__seal-copy,
.arena-certificate__signature strong {
  text-transform: uppercase;
}

.arena-certificate__eyebrow,
.arena-certificate__event,
.arena-certificate__stat span,
.arena-certificate__signature strong,
.arena-certificate__seal-copy {
  font-family: var(--cert-mono);
  letter-spacing: .16em;
}

.arena-certificate__eyebrow {
  font-size: clamp(12px, 1vw, 16px);
  color: rgba(255,255,255,.78);
}

.arena-certificate__event {
  margin-top: 10px;
  font-size: clamp(11px, .9vw, 15px);
  color: var(--cert-muted);
}

.arena-certificate__badge {
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  font-family: var(--cert-display);
  font-size: clamp(18px, 1.5vw, 28px);
  letter-spacing: .12em;
}

.arena-certificate__badge.is-champion {
  color: #1b1204;
  background: linear-gradient(135deg, #ffd76b, var(--cert-gold));
}

.arena-certificate__main {
  max-width: 72%;
}

.arena-certificate__label {
  font-family: var(--cert-display);
  font-size: clamp(28px, 2.6vw, 46px);
  letter-spacing: .2em;
  color: rgba(255,255,255,.84);
}

.arena-certificate__name {
  margin: 20px 0 0;
  font-family: var(--cert-serif);
  font-size: clamp(64px, 6vw, 118px);
  line-height: .94;
  font-weight: 700;
  letter-spacing: -.03em;
}

.arena-certificate__subtitle {
  margin-top: 18px;
  font-size: clamp(20px, 1.6vw, 30px);
  line-height: 1.35;
  color: var(--cert-muted);
}

.arena-certificate__subtitle strong {
  color: white;
  font-weight: 600;
}

.arena-certificate__stats {
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.arena-certificate__stat {
  min-width: 220px;
  padding: 18px 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.arena-certificate__stat span {
  display: block;
  font-size: clamp(10px, .84vw, 13px);
  color: var(--cert-muted);
}

.arena-certificate__stat strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(20px, 1.5vw, 28px);
  line-height: 1.2;
}

.arena-certificate__signature {
  min-width: 280px;
}

.arena-certificate__signature-line {
  display: block;
  width: 100%;
  height: 1px;
  margin-bottom: 14px;
  background: linear-gradient(90deg, rgba(255,255,255,.62), transparent);
}

.arena-certificate__signature strong {
  font-size: clamp(12px, .92vw, 16px);
  color: var(--cert-muted);
}

.arena-certificate__seal {
  min-width: 180px;
  min-height: 180px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.16);
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,.14), rgba(255,255,255,.04));
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  box-shadow: inset 0 0 0 8px rgba(255,255,255,.04);
}

.arena-certificate__seal-rank {
  font-family: var(--cert-display);
  font-size: clamp(36px, 3.5vw, 64px);
  letter-spacing: .08em;
}

.arena-certificate__seal-copy {
  margin-top: 6px;
  font-size: clamp(10px, .82vw, 13px);
  color: var(--cert-muted);
}

.arena-certificate.is-winner,
.arena-certificate.is-silver,
.arena-certificate.is-bronze,
.arena-certificate.is-finisher {}

.arena-certificate.is-winner {
  background: linear-gradient(135deg, #121f38 0%, #1e4d8c 42%, #0a1220 100%);
}

.arena-certificate.is-winner::before,
.arena-certificate.is-winner::after,
.arena-certificate.is-silver::before,
.arena-certificate.is-bronze::before {
  border-color: rgba(251,171,44,.24);
}

.arena-certificate.is-silver .arena-certificate__badge {
  background: linear-gradient(135deg, #e8edf6, #9aa8bd);
  color: #0d1726;
}

.arena-certificate.is-bronze .arena-certificate__badge {
  background: linear-gradient(135deg, #e0b08e, #9f5f38);
  color: #160d08;
}

.certificate-actions {
  margin-top: 18px;
}

.certificate-actions__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.certificate-btn {
  appearance: none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(12, 25, 46, .86);
  color: white;
  border-radius: 999px;
  min-height: 48px;
  padding: 0 18px;
  font: 700 14px/1 var(--cert-body);
  letter-spacing: .02em;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.certificate-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.26);
}

.certificate-btn--primary {
  background: linear-gradient(135deg, var(--cert-cisco), var(--cert-navy));
}

.certificate-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

.certificate-actions__hint {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(255,255,255,.74);
}

.feedback-gate {
  border-radius: 28px;
  padding: 28px;
  color: white;
  background:
    radial-gradient(circle at top left, rgba(0,188,235,.18), transparent 26%),
    linear-gradient(180deg, rgba(8,18,34,.96), rgba(4,10,20,.98));
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 20px 60px rgba(0,0,0,.24);
  font-family: var(--cert-body);
}

.feedback-gate__eyebrow {
  font-family: var(--cert-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: rgba(255,255,255,.62);
}

.feedback-gate__title {
  margin: 14px 0 0;
  font-family: var(--cert-serif);
  font-size: clamp(32px, 3vw, 46px);
  line-height: 1;
}

.feedback-gate__intro {
  margin: 12px 0 0;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.5;
  color: rgba(255,255,255,.78);
}

.feedback-gate__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.feedback-gate__grid--text {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feedback-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.feedback-card--nps {
  margin-top: 16px;
}

.feedback-card__label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,.88);
}

.feedback-card__label span {
  color: rgba(255,255,255,.58);
  font-weight: 500;
}

.feedback-stars {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.feedback-stars__star {
  appearance: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.36);
  font-size: 22px;
  cursor: pointer;
}

.feedback-stars__star.is-on {
  color: var(--cert-gold);
  background: rgba(251,171,44,.12);
  border-color: rgba(251,171,44,.3);
}

.feedback-nps {
  width: 100%;
  margin-top: 14px;
  accent-color: var(--cert-cisco);
}

.feedback-nps__meta,
.feedback-nps__ticks {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.feedback-nps__meta {
  margin-top: 14px;
  font-size: 12px;
  color: rgba(255,255,255,.66);
}

.feedback-nps__meta strong {
  color: white;
  font-size: 20px;
}

.feedback-nps__ticks {
  margin-top: 8px;
  font-family: var(--cert-mono);
  font-size: 11px;
  color: rgba(255,255,255,.52);
}

.feedback-card textarea {
  width: 100%;
  min-height: 120px;
  margin-top: 12px;
  resize: vertical;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.18);
  color: white;
  padding: 14px 16px;
  font: 400 14px/1.5 var(--cert-body);
}

.feedback-card textarea::placeholder {
  color: rgba(255,255,255,.38);
}

.feedback-gate__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 22px;
}

.feedback-gate__status {
  font-size: 13px;
  color: rgba(255,255,255,.7);
}

@media (max-width: 960px) {
  .arena-certificate__content {
    padding: 24px;
  }

  .arena-certificate__main {
    max-width: 100%;
  }

  .arena-certificate__footer,
  .arena-certificate__topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .arena-certificate__seal {
    min-width: 140px;
    min-height: 140px;
  }

  .feedback-gate__grid,
  .feedback-gate__grid--text {
    grid-template-columns: 1fr;
  }
}