/* =========================================================
   Teknorion Blog Detail V2
   Page: Dijital Odeme Sistemleri Rehberi V2
   Scope: Main article only. Header and footer are intentionally untouched.
   ========================================================= */

.payment-v2-page {
  --pay-navy: #071936;
  --pay-ink: #0d1b35;
  --pay-muted: #5d6b83;
  --pay-blue: #2868ff;
  --pay-cyan: #16b8d9;
  --pay-green: #19a974;
  --pay-orange: #ff8a35;
  --pay-pink: #ef3f7a;
  --pay-line: rgba(33, 69, 126, .13);
  --pay-soft: #f5f8fd;
  --pay-card: rgba(255, 255, 255, .92);
  background:
    radial-gradient(circle at top left, rgba(40, 104, 255, .08), transparent 34rem),
    linear-gradient(180deg, #f8fbff 0, #fff 34rem);
  color: var(--pay-ink);
}

.payment-v2-page .blog-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 28px;
  background:
    linear-gradient(135deg, rgba(7, 25, 54, .96), rgba(13, 38, 78, .94)),
    radial-gradient(circle at 85% 15%, rgba(79, 119, 255, .45), transparent 28rem);
}

.payment-v2-page .blog-detail-hero::before,
.payment-v2-page .blog-detail-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.payment-v2-page .blog-detail-hero::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 20%, transparent 88%);
}

.payment-v2-page .blog-detail-hero::after {
  width: 360px;
  height: 360px;
  right: -120px;
  top: -90px;
  border-radius: 50%;
  background: rgba(82, 113, 255, .2);
  filter: blur(18px);
}

.payment-v2-page .blog-detail-hero .container {
  position: relative;
  z-index: 1;
}

.payment-v2-page .blog-breadcrumb,
.payment-v2-page .blog-breadcrumb a,
.payment-v2-page .blog-breadcrumb span {
  color: rgba(255, 255, 255, .72);
}

.payment-v2-page .blog-detail-badge {
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  box-shadow: none;
}

.payment-v2-page .blog-detail-hero h1 {
  max-width: 980px;
  color: #fff;
  letter-spacing: 0;
}

.payment-v2-page .blog-detail-hero > .container > p {
  max-width: 860px;
  color: rgba(255, 255, 255, .82);
  font-size: clamp(17px, 1.7vw, 21px);
}

.payment-v2-page .blog-detail-meta {
  color: rgba(255, 255, 255, .84);
}

.payment-hero-dashboard {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(360px, 1.18fr);
  gap: 24px;
  align-items: stretch;
  margin-top: 26px;
}

.payment-dashboard-copy,
.payment-dashboard-visual {
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 26px;
  background: rgba(255, 255, 255, .08);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
  backdrop-filter: blur(18px);
}

.payment-dashboard-copy {
  padding: clamp(22px, 3vw, 34px);
}

.payment-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(55, 226, 178, .14);
  color: #8bf6d7;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.payment-dashboard-copy h2 {
  margin: 18px 0 12px;
  color: #fff;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.15;
}

.payment-dashboard-copy p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
  line-height: 1.7;
}

.payment-dashboard-visual {
  padding: clamp(18px, 2.4vw, 28px);
}

.payment-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.payment-rail::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 45px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .65), transparent);
}

.payment-rail-card {
  position: relative;
  min-height: 150px;
  padding: 16px 14px;
  border: 1px solid rgba(255, 255, 255, .17);
  border-radius: 18px;
  background: rgba(255, 255, 255, .92);
  color: var(--pay-ink);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .15);
}

.payment-rail-card::after {
  content: "";
  position: absolute;
  top: 39px;
  right: -13px;
  width: 14px;
  height: 14px;
  border-top: 2px solid rgba(255, 255, 255, .8);
  border-right: 2px solid rgba(255, 255, 255, .8);
  transform: rotate(45deg);
}

.payment-rail-card:last-child::after {
  display: none;
}

.payment-rail-card i {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(40, 104, 255, .12);
  color: var(--pay-blue);
  font-size: 20px;
}

.payment-rail-card strong,
.payment-rail-card span {
  display: block;
}

.payment-rail-card strong {
  font-size: 15px;
  color: var(--pay-ink);
}

.payment-rail-card span {
  margin-top: 5px;
  color: var(--pay-muted);
  font-size: 13px;
  line-height: 1.45;
}

.payment-rail-card.accent i {
  background: rgba(22, 184, 217, .13);
  color: #0798b7;
}

.payment-rail-card.success i {
  background: rgba(25, 169, 116, .14);
  color: var(--pay-green);
}

.payment-rail-card.dark {
  background: #071936;
}

.payment-rail-card.dark strong,
.payment-rail-card.dark span {
  color: #fff;
}

.payment-rail-card.dark span {
  color: rgba(255, 255, 255, .68);
}

.payment-rail-card.dark i {
  background: rgba(255, 255, 255, .1);
  color: #8db3ff;
}

.payment-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.payment-signal-grid div {
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: rgba(255, 255, 255, .1);
}

.payment-signal-grid small,
.payment-signal-grid strong {
  display: block;
}

.payment-signal-grid small {
  color: rgba(255, 255, 255, .62);
  font-size: 12px;
  text-transform: uppercase;
}

.payment-signal-grid strong {
  margin-top: 5px;
  color: #fff;
  font-size: 14px;
}

.payment-v2-page .blog-detail-layout {
  padding-top: 34px;
  background: linear-gradient(180deg, #f8fbff, #fff 38rem);
}

.payment-v2-page .blog-article-card,
.payment-v2-page .blog-sidebar-card {
  border: 1px solid var(--pay-line);
  border-radius: 24px;
  background: var(--pay-card);
  box-shadow: 0 18px 60px rgba(15, 35, 75, .08);
}

.payment-v2-page .blog-article-card {
  overflow: hidden;
}

.payment-v2-page .blog-article-cover {
  display: grid;
  min-height: 240px;
  place-items: center;
  border-bottom: 1px solid var(--pay-line);
  background:
    radial-gradient(circle at 50% 44%, rgba(40, 104, 255, .16), transparent 18rem),
    linear-gradient(135deg, rgba(40, 104, 255, .16), rgba(25, 169, 116, .08)),
    linear-gradient(rgba(40, 104, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 104, 255, .08) 1px, transparent 1px);
  background-size: auto, auto, 64px 64px, 64px 64px;
}

.payment-cover-system {
  position: relative;
  width: min(680px, calc(100% - 40px));
  min-height: 170px;
}

.payment-cover-system::before,
.payment-cover-system::after {
  content: "";
  position: absolute;
  inset: 50% 12% auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(40, 104, 255, .65), rgba(25, 169, 116, .55), transparent);
}

.payment-cover-system::after {
  inset: 28% auto auto 50%;
  width: 2px;
  height: 92px;
  background: linear-gradient(180deg, transparent, rgba(40, 104, 255, .55), transparent);
}

.cover-hub,
.cover-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 18px 48px rgba(40, 104, 255, .18);
}

.cover-hub {
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 168px;
  min-height: 116px;
  flex-direction: column;
  gap: 4px;
  border: 1px solid rgba(40, 104, 255, .16);
  border-radius: 30px;
  background: #fff;
  transform: translate(-50%, -50%);
}

.cover-hub i {
  color: var(--pay-green);
  font-size: 34px;
}

.cover-hub strong {
  color: var(--pay-ink);
  font-size: 17px;
}

.cover-hub small {
  color: var(--pay-muted);
  font-size: 12px;
}

.cover-node {
  z-index: 1;
  width: 66px;
  height: 66px;
  border: 1px solid rgba(40, 104, 255, .15);
  border-radius: 22px;
  background: rgba(255, 255, 255, .88);
  color: var(--pay-blue);
  font-size: 26px;
}

.cover-user {
  left: 7%;
  top: 52%;
}

.cover-pos {
  left: 28%;
  top: 16%;
  color: var(--pay-cyan);
}

.cover-bank {
  right: 26%;
  top: 16%;
  color: var(--pay-orange);
}

.cover-webhook {
  right: 7%;
  top: 52%;
  color: var(--pay-green);
}

.payment-v2-page .blog-article-body {
  padding: clamp(22px, 3.4vw, 42px);
}

.payment-v2-page .blog-article-body h2 {
  position: relative;
  margin-top: 44px;
  margin-bottom: 16px;
  color: var(--pay-ink);
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.22;
}

.payment-v2-page .blog-article-body h2::before {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 13px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pay-blue), var(--pay-cyan));
}

.payment-v2-page .blog-article-body h3 {
  color: #17345f;
  font-weight: 800;
}

.payment-v2-page .blog-article-body p,
.payment-v2-page .blog-article-body li {
  color: #44526b;
  line-height: 1.78;
}

.knowledge-box,
.flow-diagram,
.payment-timeline,
.checklist-box,
.architecture-map,
.payment-code-card,
.seo-note {
  margin: 30px 0;
}

.knowledge-box {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(40, 104, 255, .14);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(40, 104, 255, .14), transparent 22rem),
    #fff;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.knowledge-card {
  min-height: 136px;
  padding: 18px;
  border: 1px solid var(--pay-line);
  border-radius: 18px;
  background: #f9fbff;
}

.knowledge-card strong {
  display: block;
  color: var(--pay-ink);
  font-size: 16px;
  margin-bottom: 8px;
}

.knowledge-card span {
  color: var(--pay-muted);
  line-height: 1.6;
}

.seo-note {
  padding: 18px 20px;
  border: 1px solid rgba(40, 104, 255, .13);
  border-left: 5px solid var(--pay-blue);
  border-radius: 16px;
  background: #f4f8ff;
}

.seo-note strong {
  color: var(--pay-ink);
}

.flow-diagram,
.payment-timeline {
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--pay-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .65);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.flow-step {
  position: relative;
  min-height: 156px;
  padding: 17px 15px;
  border: 1px solid var(--pay-line);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #f8fbff);
}

.flow-step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--pay-blue);
  color: #fff;
  font-weight: 800;
}

.flow-step:nth-child(3n + 2) span {
  background: var(--pay-cyan);
}

.flow-step:nth-child(3n) span {
  background: var(--pay-green);
}

.flow-step strong,
.flow-step small {
  display: block;
}

.flow-step strong {
  color: var(--pay-ink);
  font-size: 14px;
  margin-bottom: 7px;
}

.flow-step small {
  color: var(--pay-muted);
  line-height: 1.55;
}

.timeline-lane {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.timeline-lane::before {
  display: none;
}

.timeline-node {
  position: relative;
  z-index: 1;
  min-height: 152px;
  padding: 18px;
  border: 1px solid var(--pay-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 35px rgba(14, 37, 80, .06);
}

.timeline-node::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 4px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg, var(--pay-blue), var(--pay-cyan));
}

.timeline-node i {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 13px;
  border-radius: 14px;
  background: rgba(40, 104, 255, .1);
  color: var(--pay-blue);
}

.timeline-node strong,
.timeline-node small {
  display: block;
}

.timeline-node strong {
  color: var(--pay-ink);
  font-size: 15px;
  margin-bottom: 6px;
}

.timeline-node small {
  color: var(--pay-muted);
  line-height: 1.5;
}

.comparison-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--pay-line);
  border-radius: 18px;
  background: #fff;
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 15px 16px;
  border-bottom: 1px solid rgba(33, 69, 126, .1);
  vertical-align: top;
}

.comparison-table th {
  background: #edf4ff;
  color: var(--pay-ink);
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.checklist-box {
  padding: clamp(20px, 2.5vw, 28px);
  border: 1px solid var(--pay-line);
  border-radius: 22px;
  background: #fff;
}

.checklist-box ul {
  columns: 2;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.checklist-box li {
  break-inside: avoid;
  position: relative;
  margin-bottom: 10px;
  padding-left: 28px;
}

.checklist-box li::before {
  content: "\F26A";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--pay-green);
  font-family: "bootstrap-icons";
}

.architecture-map {
  padding: clamp(22px, 3vw, 32px);
  border-radius: 24px;
  background:
    radial-gradient(circle at 82% 18%, rgba(40, 104, 255, .45), transparent 18rem),
    linear-gradient(135deg, #071936, #102c5a);
  color: #fff;
}

.payment-v2-page .architecture-map h3,
.payment-v2-page .architecture-layer strong {
  color: #fff;
}

.payment-v2-page .architecture-map h3 {
  margin-bottom: 18px;
  font-size: clamp(24px, 2.5vw, 32px);
}

.payment-v2-page .architecture-map h3::before {
  background: linear-gradient(90deg, #8bf6d7, #8db3ff);
}

.architecture-layers {
  display: grid;
  gap: 10px;
}

.architecture-layer {
  position: relative;
  padding: 15px 16px;
  padding-left: 52px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 16px;
  background: rgba(255, 255, 255, .09);
}

.architecture-layer::before {
  content: "\F5FF";
  position: absolute;
  left: 17px;
  top: 17px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(139, 246, 215, .13);
  color: #8bf6d7;
  font-family: "bootstrap-icons";
  font-size: 14px;
}

.payment-code-card {
  overflow-x: auto;
  padding: 24px;
  border-radius: 22px;
  background: #071936;
  color: #dbeafe;
}

.payment-code-card h3 {
  color: #fff;
}

.payment-code-card pre {
  margin: 0;
  white-space: pre-wrap;
  color: #dbeafe;
  font-size: 13px;
  line-height: 1.8;
}

.term-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 32px;
}

.term-cloud a,
.term-cloud span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border: 1px solid var(--pay-line);
  border-radius: 999px;
  background: #fff;
  color: var(--pay-ink);
  font-size: 14px;
  font-weight: 700;
}

.term-cloud a:hover {
  background: var(--pay-blue);
  color: #fff;
}

.payment-v2-page .blog-faq-section {
  padding: 26px;
  border-radius: 24px;
  background: #f6f9ff;
}

.payment-v2-page .blog-faq-item {
  margin-top: 12px;
  padding: 18px;
  border: 1px solid var(--pay-line);
  border-radius: 16px;
  background: #fff;
}

.payment-v2-page .blog-related-services {
  padding: 26px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(40, 104, 255, .08), rgba(25, 169, 116, .08));
}

.payment-v2-page .blog-service-grid a {
  border-radius: 18px;
  background: #fff;
}

.payment-v2-page .blog-toc-sticky {
  position: sticky;
  top: 84px;
  z-index: 3;
  max-height: calc(100vh - 104px);
  overflow-y: auto;
  background: #fff;
}

.payment-v2-page .blog-sidebar-card {
  padding: 24px;
  margin-bottom: 22px;
  background: #fff;
}

.payment-v2-page .blog-sidebar-card h3 {
  color: var(--pay-ink);
}

.payment-v2-page .blog-sidebar-list a {
  display: flex;
  align-items: flex-start;
  min-height: 0;
  position: relative;
  padding: 9px 0 9px 24px;
  border-bottom: 1px solid rgba(33, 69, 126, .08);
  color: #33415c;
  font-size: 15px;
  line-height: 1.35;
  word-break: normal;
  overflow-wrap: anywhere;
}

.payment-v2-page .blog-sidebar-list a::before {
  content: "\F287";
  position: absolute;
  left: 0;
  top: 11px;
  color: var(--pay-blue);
  font-family: "bootstrap-icons";
  font-size: 13px;
}

.payment-v2-page .blog-sidebar-list a:hover {
  color: var(--pay-blue);
}

.payment-v2-page .blog-mini-note {
  color: var(--pay-muted);
}

@media (max-width: 1199px) {
  .payment-hero-dashboard {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 991px) {
  .payment-v2-page .blog-detail-hero {
    padding-top: 78px;
  }

  .payment-rail,
  .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-lane {
    grid-template-columns: 1fr;
  }

  .payment-rail::before,
  .timeline-lane::before,
  .payment-rail-card::after {
    display: none;
  }

  .payment-v2-page .blog-toc-sticky {
    position: static;
  }
}

@media (max-width: 767px) {
  .payment-dashboard-copy,
  .payment-dashboard-visual,
  .payment-v2-page .blog-article-card,
  .payment-v2-page .blog-sidebar-card {
    border-radius: 18px;
  }

  .payment-signal-grid,
  .knowledge-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575px) {
  .payment-v2-page .blog-detail-hero {
    padding-top: 72px;
  }

  .payment-hero-dashboard {
    gap: 16px;
  }

  .payment-rail,
  .flow-steps,
  .timeline-lane {
    grid-template-columns: 1fr;
  }

  .payment-v2-page .blog-article-cover {
    min-height: 210px;
  }

  .payment-cover-system {
    width: calc(100% - 28px);
    min-height: 160px;
  }

  .cover-hub {
    width: 140px;
    min-height: 100px;
  }

  .cover-node {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    font-size: 21px;
  }

  .payment-rail-card,
  .flow-step,
  .timeline-node {
    min-height: auto;
  }

  .checklist-box ul {
    columns: 1;
  }

  .payment-v2-page .blog-article-body,
  .payment-v2-page .blog-faq-section,
  .payment-v2-page .blog-related-services {
    padding: 20px;
  }
}

@media (min-width: 992px) {
  .payment-v2-page .blog-detail-layout .row {
    align-items: flex-start;
  }

  .payment-v2-page .blog-detail-layout .col-lg-4 {
    position: sticky;
    top: 116px;
    align-self: flex-start;
    max-height: calc(100vh - 136px);
    overflow-y: auto;
    padding-bottom: 18px;
    z-index: 1;
    scrollbar-width: thin;
  }

  .payment-v2-page .blog-detail-layout .col-lg-4::-webkit-scrollbar {
    width: 6px;
  }

  .payment-v2-page .blog-detail-layout .col-lg-4::-webkit-scrollbar-thumb {
    background: rgba(40, 104, 255, .25);
    border-radius: 999px;
  }

  .payment-v2-page .blog-toc-sticky {
    position: static;
    top: auto;
    z-index: auto;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 991px) {
  .payment-v2-page .blog-detail-layout .col-lg-4 {
    position: static;
    max-height: none;
    overflow: visible;
    padding-bottom: 0;
  }
}

.payment-v2-page .blog-article-cover {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(40, 104, 255, .26), transparent 18rem),
    radial-gradient(circle at 18% 28%, rgba(22, 184, 217, .16), transparent 16rem),
    radial-gradient(circle at 84% 70%, rgba(25, 169, 116, .16), transparent 17rem),
    linear-gradient(135deg, #eaf2ff 0%, #f7fbff 48%, #eaf8f5 100%);
}

.payment-v2-page .blog-article-cover::before,
.payment-v2-page .blog-article-cover::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.payment-v2-page .blog-article-cover::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(40, 104, 255, .11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 104, 255, .11) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 50% 50%, #000 0%, transparent 76%);
}

.payment-v2-page .blog-article-cover::after {
  width: 640px;
  height: 190px;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(40, 104, 255, .16);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,.12), rgba(255,255,255,.45), rgba(255,255,255,.12));
  box-shadow:
    0 0 0 22px rgba(255, 255, 255, .2),
    0 30px 80px rgba(40, 104, 255, .16);
  transform: translate(-50%, -50%);
}

.payment-cover-system {
  isolation: isolate;
  min-height: 300px;
  width: min(780px, calc(100% - 44px));
  display: grid;
  place-items: center;
}

.payment-cover-system::before,
.payment-cover-system::after {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.payment-cover-system::before {
  left: 7%;
  right: 7%;
  top: 50%;
  height: 3px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, transparent, rgba(40,104,255,.7) 18%, rgba(22,184,217,.75) 50%, rgba(25,169,116,.65) 82%, transparent),
    repeating-linear-gradient(90deg, transparent 0 18px, rgba(255,255,255,.9) 19px 23px);
  box-shadow: 0 0 24px rgba(40,104,255,.22);
}

.payment-cover-system::after {
  left: 50%;
  top: 15%;
  width: 3px;
  height: 205px;
  border-radius: 999px;
  background: linear-gradient(180deg, transparent, rgba(40,104,255,.44), rgba(25,169,116,.48), transparent);
  box-shadow: 0 0 22px rgba(25,169,116,.18);
}

.cover-hub,
.cover-node {
  z-index: 2;
}

.cover-hub {
  width: 250px;
  min-height: 166px;
  padding: 24px 22px;
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 36px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(135deg, rgba(40,104,255,.38), rgba(25,169,116,.34)) border-box;
  box-shadow:
    0 34px 90px rgba(27, 71, 150, .2),
    0 0 0 12px rgba(255,255,255,.52),
    0 0 0 28px rgba(40,104,255,.055);
}

.cover-hub i {
  display: none;
}

.cover-hub::before {
  content: "\F5FF";
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 20px;
  background:
    radial-gradient(circle at 70% 20%, rgba(139,246,215,.75), transparent 42%),
    linear-gradient(135deg, rgba(40,104,255,.13), rgba(25,169,116,.16));
  color: var(--pay-blue);
  font-family: "bootstrap-icons";
  font-size: 28px;
  box-shadow: inset 0 0 0 1px rgba(40,104,255,.08);
}

.cover-hub::after {
  content: "";
  position: absolute;
  inset: -24px;
  z-index: -1;
  border: 1px solid rgba(40,104,255,.12);
  border-radius: 50px;
}

.cover-hub strong {
  color: #0b1730;
  font-size: 24px;
  line-height: 1.15;
}

.cover-hub small {
  margin-top: 8px;
  color: #53647e;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
}

.cover-node {
  width: 112px;
  height: 88px;
  flex-direction: column;
  gap: 7px;
  border: 1px solid rgba(40,104,255,.14);
  border-radius: 26px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  color: var(--pay-blue);
  font-size: 25px;
  box-shadow:
    0 22px 50px rgba(27, 71, 150, .14),
    inset 0 1px 0 rgba(255,255,255,.8);
}

.cover-node span {
  display: block;
  color: #213452;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.cover-user {
  left: 8%;
  top: 50%;
  color: var(--pay-blue);
  transform: translateY(-50%);
}

.cover-pos {
  left: 29%;
  top: 12%;
  color: var(--pay-cyan);
}

.cover-bank {
  right: 29%;
  top: 12%;
  color: var(--pay-orange);
}

.cover-webhook {
  right: 8%;
  top: 50%;
  color: var(--pay-green);
  transform: translateY(-50%);
}

.cover-pos::after,
.cover-bank::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -44px;
  width: 2px;
  height: 44px;
  background: linear-gradient(180deg, rgba(40,104,255,.26), transparent);
}

@media (max-width: 767px) {
  .payment-v2-page .blog-article-cover {
    min-height: 340px;
  }

  .payment-cover-system {
    width: calc(100% - 24px);
    min-height: 290px;
  }

  .cover-hub {
    width: 212px;
    min-height: 145px;
  }

  .cover-hub strong {
    font-size: 21px;
  }

  .cover-node {
    width: 86px;
    height: 74px;
    border-radius: 22px;
    font-size: 21px;
  }

  .cover-node span {
    font-size: 10px;
  }

  .cover-user {
    left: 2%;
  }

  .cover-webhook {
    right: 2%;
  }

  .cover-pos {
    left: 17%;
    top: 8%;
  }

  .cover-bank {
    right: 17%;
    top: 8%;
  }
}

@media (max-width: 480px) {
  .payment-v2-page .blog-article-cover {
    min-height: 300px;
  }

  .payment-cover-system::before,
  .payment-cover-system::after,
  .cover-pos::after,
  .cover-bank::after {
    display: none;
  }

  .cover-hub {
    width: 190px;
    min-height: 132px;
    padding: 18px;
  }

  .cover-node {
    width: 66px;
    height: 58px;
    gap: 3px;
    border-radius: 18px;
    font-size: 18px;
  }

  .cover-node span {
    display: none;
  }
}

/* Final cover punch: stronger contrast, visible nodes, command-center feel. */
.payment-v2-page .blog-article-cover {
  min-height: 380px;
  background:
    radial-gradient(circle at 50% 46%, rgba(35, 100, 255, .42), transparent 15rem),
    radial-gradient(circle at 18% 24%, rgba(0, 210, 255, .28), transparent 16rem),
    radial-gradient(circle at 85% 76%, rgba(31, 209, 142, .30), transparent 17rem),
    linear-gradient(135deg, #eef5ff 0%, #f8fbff 45%, #e8fbf4 100%);
}

.payment-v2-page .blog-article-cover::before {
  z-index: 0;
  opacity: 1;
  background-image:
    linear-gradient(rgba(28, 94, 255, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 94, 255, .18) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(255,255,255,.86), transparent 30rem);
  background-size: 68px 68px, 68px 68px, auto;
  mask-image: none;
}

.payment-v2-page .blog-article-cover::after {
  z-index: 0;
  width: 720px;
  height: 218px;
  border: 1px solid rgba(31, 104, 255, .30);
  background:
    linear-gradient(90deg, rgba(12, 32, 70, .04), rgba(255,255,255,.76), rgba(20, 95, 80, .08));
  box-shadow:
    0 0 0 18px rgba(255,255,255,.42),
    0 0 0 38px rgba(35,100,255,.055),
    0 34px 90px rgba(26, 80, 170, .22);
}

.payment-cover-system {
  z-index: 1;
  width: min(850px, calc(100% - 44px));
}

.payment-cover-system::before {
  z-index: 1;
  left: 5%;
  right: 5%;
  height: 4px;
  background:
    linear-gradient(90deg, transparent, #2364ff 14%, #13b9d6 50%, #19a974 86%, transparent);
  box-shadow:
    0 0 18px rgba(35,100,255,.42),
    0 0 34px rgba(25,169,116,.24);
}

.payment-cover-system::after {
  z-index: 1;
  width: 4px;
  background: linear-gradient(180deg, transparent, #2364ff, #19a974, transparent);
}

.cover-hub {
  z-index: 5;
  width: 268px;
  min-height: 178px;
  border: 1px solid rgba(255,255,255,.95);
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%) padding-box,
    linear-gradient(135deg, #2364ff, #16b8d9, #19a974) border-box;
  box-shadow:
    0 34px 90px rgba(8, 34, 86, .28),
    0 0 0 12px rgba(255,255,255,.68),
    0 0 0 30px rgba(35,100,255,.09);
}

.cover-hub::before {
  color: #fff;
  background:
    radial-gradient(circle at 70% 20%, rgba(255,255,255,.45), transparent 38%),
    linear-gradient(135deg, #2364ff, #19a974);
  box-shadow: 0 14px 34px rgba(35,100,255,.28);
}

.cover-hub::after {
  border-color: rgba(35,100,255,.24);
}

.cover-hub strong {
  color: #071936;
  font-size: 26px;
  font-weight: 900;
}

.cover-hub small {
  color: #30415f;
  font-size: 14px;
  font-weight: 800;
}

.cover-node {
  z-index: 4;
  width: 126px;
  height: 94px;
  border: 1px solid rgba(255,255,255,.86);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(245,249,255,.94));
  box-shadow:
    0 24px 58px rgba(8, 34, 86, .18),
    0 0 0 8px rgba(255,255,255,.48);
}

.cover-node i {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #2364ff, #16b8d9);
  box-shadow: 0 10px 22px rgba(35,100,255,.22);
}

.cover-node span {
  color: #0f2446;
  font-size: 12px;
  font-weight: 900;
}

.cover-user {
  left: 5%;
  top: 50%;
}

.cover-pos {
  left: 25%;
  top: 8%;
}

.cover-bank {
  right: 25%;
  top: 8%;
}

.cover-webhook {
  right: 5%;
  top: 50%;
}

.cover-pos i {
  background: linear-gradient(135deg, #13a5d1, #2364ff);
}

.cover-bank i {
  background: linear-gradient(135deg, #ff8a35, #2364ff);
}

.cover-webhook i {
  background: linear-gradient(135deg, #19a974, #13b9d6);
}

.cover-user::before,
.cover-pos::before,
.cover-bank::before,
.cover-webhook::before {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #19a974;
  box-shadow: 0 0 0 5px rgba(25,169,116,.14);
  right: 14px;
  top: 13px;
}

@media (max-width: 767px) {
  .payment-v2-page .blog-article-cover {
    min-height: 350px;
  }

  .payment-v2-page .blog-article-cover::after {
    width: 560px;
    height: 200px;
  }

  .cover-hub {
    width: 214px;
    min-height: 148px;
  }

  .cover-hub strong {
    font-size: 22px;
  }

  .cover-node {
    width: 88px;
    height: 76px;
  }

  .cover-node i {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 480px) {
  .payment-v2-page .blog-article-cover {
    min-height: 310px;
  }

  .payment-v2-page .blog-article-cover::after {
    width: 340px;
    height: 180px;
  }

  .cover-hub {
    width: 184px;
    min-height: 128px;
  }

  .cover-hub strong {
    font-size: 19px;
  }

  .cover-hub small {
    font-size: 12px;
  }

  .cover-node {
    width: 58px;
    height: 52px;
  }
}

/* Production polish: wider core card, no label wrapping, balanced satellites. */
.cover-hub {
  width: 360px;
  min-height: 170px;
  border-radius: 32px;
  transform: translate(-50%, -50%);
}

.cover-hub strong {
  font-size: 30px;
  letter-spacing: -.01em;
  white-space: nowrap;
}

.cover-hub small {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  margin-top: 12px;
  color: #243652;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
}

.cover-hub small::before,
.cover-hub small::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2364ff;
  box-shadow: 0 0 0 5px rgba(35,100,255,.12);
}

.cover-node {
  width: 118px;
  height: 88px;
}

.cover-user {
  left: 4%;
  top: 50%;
}

.cover-pos {
  left: 13%;
  top: 17%;
}

.cover-bank {
  right: 13%;
  top: 17%;
}

.cover-webhook {
  right: 4%;
  top: 50%;
}

.payment-v2-page .blog-article-cover::after {
  width: 780px;
  height: 224px;
}

@media (max-width: 1199px) {
  .cover-hub {
    width: 320px;
  }

  .cover-hub strong {
    font-size: 28px;
  }

  .cover-node {
    width: 104px;
  }
}

@media (max-width: 767px) {
  .cover-hub {
    width: 260px;
    min-height: 150px;
  }

  .cover-hub strong {
    font-size: 23px;
  }

  .cover-hub small {
    gap: 6px;
    font-size: 12px;
  }

  .cover-node {
    width: 82px;
    height: 72px;
  }
}

@media (max-width: 480px) {
  .cover-hub {
    width: 214px;
    min-height: 132px;
  }

  .cover-hub strong {
    font-size: 20px;
  }

  .cover-hub small {
    font-size: 10px;
    gap: 4px;
  }

  .cover-hub small::before,
  .cover-hub small::after {
    display: none;
  }
}