:root {
  --perbanas-navy-deep: #010411;
  --perbanas-navy-dark: #021939;
  --perbanas-navy-mid: #063f76;
  --perbanas-blue: #3a7eb1;
  --perbanas-blue-light: #73bddf;
  --perbanas-pale: #dee9f6;
  --perbanas-gold: #e4c53c;
  --perbanas-text: #dee9f6;
  --perbanas-muted: #73bddf;
  --perbanas-border: rgba(58, 126, 177, 0.28);
  --perbanas-surface: rgba(6, 63, 118, 0.2);
}

html {
  min-height: 100%;
  background: var(--perbanas-navy-deep);
  overflow-x: clip;
}

body {
  min-height: 100vh;
  padding-top: 62px;
  overflow-x: clip;
  color: var(--perbanas-text);
  background-color: var(--perbanas-navy-deep);
  background-image:
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(6, 63, 118, 0.55), transparent 70%),
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(58, 126, 177, 0.045) 39px, rgba(58, 126, 177, 0.045) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(58, 126, 177, 0.045) 39px, rgba(58, 126, 177, 0.045) 40px);
  background-attachment: fixed;
}

a {
  color: var(--perbanas-blue-light);
}

a:hover {
  color: var(--perbanas-gold);
}

.navbar.bg-dark {
  min-height: 62px;
  border-bottom: 1px solid var(--perbanas-border);
  background: rgba(2, 25, 57, 0.92) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}

.navbar .navbar-brand {
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.navbar .navbar-brand::before {
  content: "⬡";
  margin-right: 0.55rem;
  color: var(--perbanas-gold);
  font-size: 1.15rem;
}

.navbar .nav-link {
  margin: 0.15rem 0.1rem;
  padding: 0.55rem 0.8rem !important;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--perbanas-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  border-color: var(--perbanas-border);
  background: rgba(6, 63, 118, 0.28);
  color: var(--perbanas-pale);
}

.navbar .navbar-toggler {
  border-color: var(--perbanas-border);
}

main > .jumbotron {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--perbanas-border);
  background: linear-gradient(115deg, rgba(6, 63, 118, 0.58), rgba(2, 25, 57, 0.88) 62%, rgba(1, 4, 17, 0.94));
}

main > .jumbotron::after {
  position: absolute;
  top: -5rem;
  right: 8%;
  width: 14rem;
  height: 14rem;
  border: 1px solid rgba(228, 197, 60, 0.14);
  border-radius: 50%;
  box-shadow: 0 0 0 1.5rem rgba(228, 197, 60, 0.025), 0 0 0 3rem rgba(58, 126, 177, 0.035);
  content: "";
  pointer-events: none;
}

main > .jumbotron h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--perbanas-pale);
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.container > .row,
.container > #scoreboard,
#scoreboard {
  --bs-gutter-x: 1.5rem;
}

.card,
.modal-content,
.list-group-item,
.dropdown-menu {
  border-color: var(--perbanas-border);
  background-color: rgba(2, 25, 57, 0.94);
  color: var(--perbanas-text);
}

.card {
  border-radius: 14px;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.18);
}

.card-header,
.card-footer {
  border-color: var(--perbanas-border);
  background: rgba(6, 63, 118, 0.24);
}

.table {
  --bs-table-color: var(--perbanas-text);
  --bs-table-bg: rgba(2, 25, 57, 0.74);
  --bs-table-border-color: var(--perbanas-border);
  --bs-table-striped-color: var(--perbanas-text);
  --bs-table-striped-bg: rgba(6, 63, 118, 0.2);
  --bs-table-hover-color: var(--perbanas-pale);
  --bs-table-hover-bg: rgba(58, 126, 177, 0.17);
  border-color: var(--perbanas-border);
  border-radius: 12px;
  overflow: hidden;
}

.table thead th {
  border-bottom: 1px solid rgba(228, 197, 60, 0.32);
  background: rgba(6, 63, 118, 0.32);
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.table td,
.table th {
  vertical-align: middle;
}

.form-control,
.form-select,
.input-group-text {
  border-color: var(--perbanas-border);
  background-color: rgba(1, 4, 17, 0.72);
  color: var(--perbanas-text);
}

.form-control::placeholder {
  color: rgba(115, 189, 223, 0.62);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--perbanas-blue-light);
  background-color: rgba(1, 4, 17, 0.9);
  color: var(--perbanas-pale);
  box-shadow: 0 0 0 0.2rem rgba(115, 189, 223, 0.16);
}

.form-select option {
  background: var(--perbanas-navy-dark);
  color: var(--perbanas-text);
}

.form-label,
label,
.text-dark {
  color: var(--perbanas-pale) !important;
}

.btn {
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary,
.btn-warning {
  border-color: var(--perbanas-gold);
  background: var(--perbanas-gold);
  color: var(--perbanas-navy-dark);
}

.btn-primary:hover,
.btn-warning:hover,
.btn-primary:focus {
  border-color: #f0d95e;
  background: #f0d95e;
  color: var(--perbanas-navy-deep);
  box-shadow: 0 5px 18px rgba(228, 197, 60, 0.2);
}

.btn-secondary,
.btn-info,
.btn-dark {
  border-color: rgba(115, 189, 223, 0.35);
  background: rgba(6, 63, 118, 0.65);
  color: var(--perbanas-pale);
}

.btn-secondary:hover,
.btn-info:hover,
.btn-dark:hover {
  border-color: var(--perbanas-blue-light);
  background: rgba(6, 63, 118, 0.92);
  color: #fff;
}

.nav-pills .nav-link,
.nav-tabs .nav-link {
  color: var(--perbanas-muted);
}

.nav-pills .nav-link.active,
.nav-tabs .nav-link.active {
  border-color: var(--perbanas-border);
  background: rgba(6, 63, 118, 0.72);
  color: var(--perbanas-gold);
}

.nav-tabs {
  border-bottom-color: var(--perbanas-border);
}

.nav-tabs .nav-link.active {
  border-color: var(--perbanas-border) var(--perbanas-border) var(--perbanas-navy-dark);
  background: var(--perbanas-navy-dark);
}

.badge.bg-info,
.badge.bg-secondary {
  background-color: rgba(58, 126, 177, 0.42) !important;
  color: var(--perbanas-pale);
}

.challenge-button.btn {
  min-height: 120px;
  border: 1px solid var(--perbanas-border);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(6, 63, 118, 0.45), rgba(2, 25, 57, 0.95));
  color: var(--perbanas-text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.challenge-button.btn:hover,
.challenge-button.btn:focus {
  border-color: rgba(228, 197, 60, 0.65);
  background: linear-gradient(145deg, rgba(6, 63, 118, 0.72), rgba(2, 25, 57, 0.98));
  box-shadow: 0 10px 28px rgba(58, 126, 177, 0.2);
  color: #fff;
}

.challenge-button .challenge-inner p {
  color: var(--perbanas-pale);
  font-weight: 700;
}

.challenge-button .challenge-inner span {
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
}

.challenge-button.challenge-solved {
  border-color: rgba(228, 197, 60, 0.55);
  background: linear-gradient(145deg, rgba(6, 63, 118, 0.55), rgba(2, 25, 57, 0.96));
  box-shadow: inset 0 0 0 1px rgba(228, 197, 60, 0.12);
}

.category-header h3 {
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--perbanas-border);
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 1rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.modal-backdrop.show {
  opacity: 0.78;
}

.modal-content {
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
}

.modal-header,
.modal-footer {
  border-color: var(--perbanas-border);
}

.modal-header {
  background: rgba(6, 63, 118, 0.22);
}

.modal-title,
.challenge-name {
  color: var(--perbanas-pale);
}

.challenge-value {
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
}

.btn-close {
  filter: invert(1) grayscale(1);
}

.alert {
  border-color: var(--perbanas-border);
  background-color: rgba(6, 63, 118, 0.24);
  color: var(--perbanas-pale);
}

.text-muted,
small.text-muted {
  color: var(--perbanas-muted) !important;
}

.footer {
  padding: 1.25rem 0;
  border-top: 1px solid var(--perbanas-border);
  background: rgba(2, 25, 57, 0.55);
}

.sponsors-section {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 160px;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0.65rem 1rem 0.85rem;
  border-top: 1px solid var(--perbanas-border);
  background: linear-gradient(180deg, rgba(2, 25, 57, 0.15), rgba(2, 25, 57, 0.7));
  box-sizing: border-box;
}

.sponsor-platinum-feature {
  grid-column: 2;
}

.sponsors-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.sponsors-eyebrow {
  margin-bottom: 0.2rem;
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.sponsors-heading h2 {
  margin-bottom: 0;
  color: var(--perbanas-pale);
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
}

.sponsors-estimate {
  flex: 0 0 auto;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--perbanas-border);
  border-radius: 999px;
  color: var(--perbanas-muted);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.62rem;
}

.sponsor-platinum-feature {
  width: 100%;
}

.sponsor-tier {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--perbanas-border);
  border-radius: 12px;
  background: rgba(2, 25, 57, 0.75);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

.sponsor-tier.sponsor-platinum {
  border-color: rgba(228, 197, 60, 0.58);
  background: linear-gradient(145deg, rgba(228, 197, 60, 0.09), rgba(2, 25, 57, 0.84) 55%);
}

.sponsor-tier-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
}

.sponsor-tier-kicker {
  display: block;
  margin-bottom: 0.12rem;
  color: var(--perbanas-muted);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.sponsor-tier-name {
  margin: 0;
  color: var(--perbanas-pale);
  font-size: 1.15rem;
  font-weight: 700;
}

.sponsor-price {
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: clamp(0.62rem, 1vw, 0.76rem);
  font-weight: 600;
  text-align: right;
}

.sponsor-benefit {
  margin: 0.3rem 0 0.55rem;
  color: var(--perbanas-muted);
  font-size: 0.72rem;
}

.sponsor-slots {
  display: grid;
  align-items: center;
  justify-items: center;
  gap: 0.55rem;
}

.sponsor-slots-platinum {
  min-height: 112px;
}

.sponsor-slots-gold {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.sponsor-slot {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.55rem;
  border: 1px dashed rgba(115, 189, 223, 0.38);
  border-radius: 9px;
  background: rgba(1, 4, 17, 0.42);
  text-align: center;
}

.sponsor-slot.sponsor-platinum {
  width: 100%;
  max-width: none;
  height: clamp(78px, 7vw, 112px);
  border-color: rgba(228, 197, 60, 0.62);
}

.sponsor-slot.sponsor-gold {
  width: 100%;
  max-width: none;
  min-height: 280px;
  flex: initial;
}

.ctfd-content-layout {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 160px;
  align-items: start;
  gap: 0.9rem;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 1rem;
}

.ctfd-content-layout > main {
  grid-column: 2;
  grid-row: 1;
}

.ctfd-content-layout > main {
  min-width: 0;
  grid-row: 1;
}

.sponsor-home-hero {
  display: flex;
  min-height: 320px;
  height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(1.25rem, 4vw, 3.5rem);
  border: 1px solid var(--perbanas-border);
  border-radius: 14px;
  background:
    radial-gradient(ellipse at 50% 0, rgba(58, 126, 177, 0.2), transparent 72%),
    rgba(2, 25, 57, 0.64);
  text-align: center;
}

.sponsor-home-hero .sponsors-eyebrow {
  margin-bottom: 0.8rem;
}

.sponsor-home-hero h1 {
  max-width: 100%;
  margin-bottom: 0.9rem;
  color: var(--perbanas-pale);
  font-size: clamp(1.6rem, 4vw, 3rem);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.sponsor-home-hero > p:not(.sponsors-eyebrow) {
  max-width: 38rem;
  margin-bottom: 1.5rem;
  color: var(--perbanas-muted);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  line-height: 1.7;
}

.sponsor-home-tiers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.sponsor-home-tiers span {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--perbanas-border);
  border-radius: 999px;
  color: var(--perbanas-gold);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.ctfd-content-layout > main > .container,
.ctfd-content-layout > main > .container-fluid {
  width: 100%;
  max-width: 100%;
  padding-right: 0;
  padding-left: 0;
}

.sponsor-gold-sidebar {
  min-width: 0;
  margin-top: 1.25rem;
  align-self: start;
}

.sponsor-gold-sidebar-left {
  grid-column: 1;
  grid-row: 1;
}

.sponsor-gold-sidebar-right {
  grid-column: 3;
  grid-row: 1;
}

.sponsor-gold-panel {
  display: flex;
  height: auto;
  flex-direction: column;
  padding: 0.45rem;
  border: 1px solid rgba(115, 189, 223, 0.34);
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(6, 63, 118, 0.5), rgba(2, 25, 57, 0.94));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.sponsor-gold-slots {
  display: grid;
  flex: initial;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: 0.65rem;
}

.sponsor-slot.sponsor-gold {
  min-height: 280px;
}

.sponsor-slot-placeholder {
  color: var(--perbanas-pale);
  font-size: 0.7rem;
  font-weight: 600;
}

.sponsor-slot-size {
  color: var(--perbanas-muted);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.59rem;
}

.sponsor-silver-section {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 160px;
  gap: 0.9rem;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--perbanas-border);
  background: rgba(2, 25, 57, 0.52);
  box-sizing: border-box;
}

.sponsor-slots-silver {
  grid-column: 2;
  width: 100%;
}

.sponsor-silver-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sponsor-silver-heading .sponsor-tier-kicker {
  margin-bottom: 0.12rem;
}

.sponsor-silver-heading .sponsor-tier-name {
  color: var(--perbanas-pale);
}

.sponsor-slots-silver {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0.65rem auto 0;
}

.sponsor-slot.sponsor-silver {
  width: 100%;
  max-width: 160px;
  min-height: 72px;
  padding: 0.75rem 0.5rem;
}

.sponsor-silver .sponsor-slot-placeholder {
  font-size: 0.68rem;
}

.sponsors-note {
  margin-top: 0.75rem;
  margin-bottom: 0;
  color: var(--perbanas-muted);
  font-size: 0.66rem;
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 767.98px) {
  .navbar.bg-dark {
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
  }

  .navbar .nav-link {
    margin: 0.15rem 0;
  }

  main > .jumbotron {
    padding: 1.6rem 0;
  }

  main > .jumbotron::after {
    right: -4rem;
  }

  .challenge-button.btn {
    min-height: 96px;
  }

  .sponsors-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 0.75rem 1rem;
  }

  .sponsor-platinum-feature {
    grid-column: 1;
  }

  .sponsor-silver-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .sponsor-slots-silver {
    grid-column: 1;
  }

  .sponsors-heading {
    margin-bottom: 0.65rem;
  }

  .sponsor-tier {
    padding: 0.65rem;
  }

  .sponsor-tier-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .sponsor-tier-heading .sponsor-price,
  .sponsor-silver-heading .sponsor-price {
    text-align: left;
  }

  .sponsor-gold-panel {
    padding: 0.5rem;
  }

  .sponsor-gold-slots .sponsor-slot {
    min-height: 130px;
  }

  .sponsor-slot-size {
    font-size: 0.5rem;
  }

  .sponsor-slots-silver {
    gap: 0.35rem;
  }

  .sponsors-estimate {
    padding: 0.25rem 0.45rem;
    font-size: 0.5rem;
  }
}

@media (max-width: 991.98px) {
  .ctfd-content-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .ctfd-content-layout > main,
  .sponsor-gold-sidebar-left,
  .sponsor-gold-sidebar-right {
    grid-column: 1;
  }

  .sponsors-section,
  .sponsor-silver-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .sponsor-platinum-feature,
  .sponsor-slots-silver {
    grid-column: 1;
  }

  .sponsor-gold-sidebar {
    width: min(100%, 420px);
    margin: 1rem auto;
  }

  .sponsor-gold-sidebar-left {
    grid-row: 1;
  }

  .ctfd-content-layout > main {
    grid-row: 2;
  }

  .sponsor-gold-sidebar-right {
    grid-row: 3;
  }

  .sponsor-gold-panel {
    height: auto;
  }

  .sponsor-gold-slots .sponsor-slot {
    min-height: 180px;
  }

  .sponsor-home-hero {
    min-height: 320px;
    margin: 1rem;
  }
}

@media (max-width: 575.98px) {
  .ctfd-content-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .sponsor-gold-sidebar {
    width: min(100% - 2rem, 420px);
    margin: 0.5rem auto 1.5rem;
  }

  .sponsor-slot.sponsor-platinum {
    height: 90px;
  }

  .sponsor-home-hero {
    min-height: 220px;
    margin: 0.5rem 1rem;
    padding: 1.5rem 1rem;
  }

  .sponsor-gold-panel {
    padding: 0.8rem;
  }

  .sponsor-gold-slots {
    grid-template-columns: minmax(0, 1fr);
  }

  .sponsor-slot.sponsor-gold {
    min-height: 110px;
    flex: initial;
  }

  .sponsor-tier-heading {
    align-items: center;
    flex-direction: row;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}