/* =====================================================================
   COLOMBIA — gaya festival diagonal
   Hero terbelah diagonal kuning/biru, angka pada kartu miring seperti
   bendera pesta, riwayat grid kartu warna selang-seling, pita diagonal.
   Mobile-first; sudut membulat besar (16px).
   ===================================================================== */

.co-page {
  --color-primary: #1d4ed8;
  --color-accent: #facc15;
  --color-bg: #fffdf5;
  --co-merah: #dc2626;
  --co-navy: #10225c;
  --co-muted: #6b6a5f;

  background: var(--color-bg);
  color: var(--co-navy);
  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  margin: -1.5rem -12px 0;
  padding-bottom: 52px;
}

.co-container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

.co-breadcrumb {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 16px 0;
  font-size: 12px;
  color: var(--co-muted);
}

.co-breadcrumb a { color: var(--color-primary); font-weight: 700; }
.co-breadcrumb span { margin: 0 8px; }
.co-breadcrumb strong { color: var(--co-navy); }

/* ---------------------------------------------------------------
   HERO — dua bidang warna terbelah diagonal
   --------------------------------------------------------------- */
.co-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 14px;
  padding: 46px 16px 56px;
  text-align: center;
}

/* Bidang kuning (atas) dan biru (bawah) dipotong miring */
.co-hero-top,
.co-hero-bottom {
  position: absolute;
  left: 0;
  right: 0;
  z-index: -1;
}

.co-hero-top {
  top: 0;
  height: 62%;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
}

.co-hero-bottom {
  top: 0;
  bottom: 0;
  background: linear-gradient(160deg, var(--color-primary) 0%, #1a3fae 100%);
  clip-path: polygon(0 100%, 100% 74%, 100% 100%, 0 100%);
  z-index: -2;
}

.co-hero::after {
  /* Garis belah tipis merah sebagai aksen bendera */
  content: '';
  position: absolute;
  left: -5%;
  right: -5%;
  top: 45.5%;
  height: 6px;
  background: var(--co-merah);
  transform: rotate(-2.1deg);
  opacity: 0.9;
  z-index: -1;
}

.co-hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
}

.co-kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(16, 34, 92, 0.9);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.co-h1 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.05;
  margin: 0 0 10px;
  color: var(--co-navy);
  text-shadow: 2px 3px 0 rgba(255, 255, 255, 0.55);
}

.co-hero-date {
  margin: 0 0 28px;
  font-size: 14px;
  font-weight: 700;
  color: var(--co-navy);
}

/* ---------------------------------------------------------------
   KARTU ANGKA MIRING — bendera pesta
   --------------------------------------------------------------- */
.co-flags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 12px;
  padding: 6px 0 4px;
}

.co-flag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(66px, 19vw, 104px);
  height: clamp(84px, 24vw, 130px);
  border-radius: 16px;
  border: 4px solid var(--co-navy);
  box-shadow: 0 8px 0 rgba(16, 34, 92, 0.25);
  transform: rotate(var(--tilt, 0deg)) translateY(16px);
  opacity: 0;
  animation: co-pop 0.5s cubic-bezier(0.34, 1.4, 0.64, 1) forwards;
  transition: transform 0.2s ease;
}

.co-flag:hover {
  transform: rotate(0deg) translateY(-4px);
}

.co-flag-digit {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: clamp(38px, 11vw, 64px);
  line-height: 1;
}

.co-flag-kuning { background: var(--color-accent); }
.co-flag-kuning .co-flag-digit { color: var(--co-navy); }

.co-flag-biru { background: var(--color-primary); }
.co-flag-biru .co-flag-digit { color: #fff; }

.co-flag-merah { background: var(--co-merah); }
.co-flag-merah .co-flag-digit { color: #fff; }

.co-flag-kosong { background: #fff; }
.co-flag-kosong .co-flag-digit { color: #c9c6b6; }

@keyframes co-pop {
  to { opacity: 1; transform: rotate(var(--tilt, 0deg)) translateY(0); }
}

.co-hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
  margin: 26px 0 0;
}

.co-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid var(--co-navy);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--co-navy);
}

.co-pill b {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ---------------------------------------------------------------
   SECTION
   --------------------------------------------------------------- */
.co-desc {
  margin: 28px 0 0;
  font-size: 14.5px;
  color: var(--co-muted);
}

.co-section { margin-top: 44px; }

.co-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.co-h2 {
  position: relative;
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: clamp(20px, 4.6vw, 28px);
  margin: 0 0 18px;
  padding-bottom: 10px;
  color: var(--co-navy);
}

.co-h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent) 0 34%, var(--color-primary) 34% 67%, var(--co-merah) 67% 100%);
}

.co-section-head .co-h2 { margin-bottom: 0; }

/* Filter */
.co-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.co-filter select {
  height: 42px;
  padding: 0 14px;
  border: 2px solid var(--co-navy);
  border-radius: 16px;
  background: #fff;
  color: var(--co-navy);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 700;
}

.co-filter select:focus {
  outline: 3px solid rgba(29, 78, 216, 0.35);
  outline-offset: 1px;
}

.co-btn {
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 20px;
  border: 2px solid var(--co-navy);
  border-radius: 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

.co-btn:hover {
  color: #fff;
  background: #1a3fae;
  transform: translateY(-2px);
}

.co-btn-ghost {
  background: var(--color-accent);
  color: var(--co-navy);
}

.co-btn-ghost:hover {
  background: #eab308;
  color: var(--co-navy);
}

/* ---------------------------------------------------------------
   RIWAYAT — grid kartu warna selang-seling
   --------------------------------------------------------------- */
.co-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.co-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 3px solid var(--co-navy);
  background: #fff;
  box-shadow: 0 5px 0 rgba(16, 34, 92, 0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.co-card::before {
  /* Sudut miring warna sebagai aksen festival */
  content: '';
  position: absolute;
  top: -18px;
  right: -18px;
  width: 62px;
  height: 62px;
  transform: rotate(45deg);
}

.co-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 0 rgba(16, 34, 92, 0.18);
}

.co-card-kuning { background: #fffbe6; }
.co-card-kuning::before { background: var(--color-accent); }
.co-card-kuning .co-card-number { color: #a16207; }

.co-card-biru { background: #eef3ff; }
.co-card-biru::before { background: var(--color-primary); }
.co-card-biru .co-card-number { color: var(--color-primary); }

.co-card-merah { background: #fff1f1; }
.co-card-merah::before { background: var(--co-merah); }
.co-card-merah .co-card-number { color: var(--co-merah); }

.co-card-day {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--co-muted);
}

.co-card-date {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--co-navy);
}

.co-card-number {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: 0.12em;
  margin-top: 6px;
}

.co-card-foot {
  font-size: 11.5px;
  color: var(--co-muted);
  min-height: 16px;
}

/* Empty state */
.co-empty {
  border: 3px dashed var(--co-navy);
  border-radius: 16px;
  background: #fff;
  padding: 44px 20px;
  text-align: center;
}

.co-empty-mark {
  display: inline-block;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-accent) 0 50%, var(--color-primary) 50% 100%);
  transform: rotate(8deg);
  margin-bottom: 16px;
}

.co-empty h3 {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 19px;
  margin: 0 0 6px;
  color: var(--co-navy);
}

.co-empty p {
  margin: 0;
  font-size: 13.5px;
  color: var(--co-muted);
}

.co-pagination {
  margin-top: 18px;
  font-size: 13px;
  color: var(--co-muted);
}

.co-pagination .page-link {
  border-radius: 12px;
  border: 2px solid var(--co-navy);
  color: var(--co-navy);
  font-weight: 700;
}

.co-pagination .page-item.active .page-link {
  background: var(--color-primary);
  border-color: var(--co-navy);
  color: #fff;
}

.co-pagination .page-item.disabled .page-link {
  border-color: #d5d3c4;
  color: #b5b3a4;
}

/* ---------------------------------------------------------------
   JADWAL — pita diagonal
   --------------------------------------------------------------- */
.co-ribbons {
  display: grid;
  gap: 16px;
}

.co-ribbon {
  border-radius: 16px;
  padding: 3px;
  transform: skewX(-6deg);
}

.co-ribbon-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 18px;
  padding: 16px 22px;
  border-radius: 14px;
  background: #fff;
  transform: skewX(6deg);
}

.co-ribbon-kuning { background: var(--color-accent); }
.co-ribbon-biru { background: var(--color-primary); }
.co-ribbon-merah { background: var(--co-merah); }

.co-ribbon-label {
  flex: 0 0 130px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--co-muted);
}

.co-ribbon-value {
  font-family: 'Baloo 2', 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--co-navy);
}

.co-ribbon-note {
  margin-left: auto;
  font-size: 12px;
  color: var(--co-muted);
}

.co-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  color: var(--co-muted);
}

.co-note a {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------------------------------------------------------------
   RESPONSIF — mobile-first
   --------------------------------------------------------------- */
@media (min-width: 576px) {
  .co-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 992px) {
  .co-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .co-page { margin-left: -24px; margin-right: -24px; }
}

@media (max-width: 575.98px) {
  .co-hero { padding: 32px 12px 40px; }
  .co-flags { gap: 8px; }
  .co-flag { border-width: 3px; box-shadow: 0 6px 0 rgba(16, 34, 92, 0.25); }
  .co-section { margin-top: 32px; }

  .co-ribbon { transform: none; }
  .co-ribbon-inner { transform: none; padding: 14px 18px; }
  .co-ribbon-label { flex: 1 0 100%; }
  .co-ribbon-note { margin-left: 0; flex: 1 0 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .co-flag {
    animation: none;
    opacity: 1;
    transform: rotate(var(--tilt, 0deg));
  }
}