.product-card-karter .product-image {
  background: radial-gradient(circle at 50% 30%, rgba(31, 159, 217, .18), transparent 45%), #04111f;
}

.product-card-karter .product-image img {
  object-fit: contain;
  object-position: center 20%;
}

.product-hero-image {
  background: #04111f;
}

.product-hero-image img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.product-hero-image-karter {
  width: min(460px, 100%);
  justify-self: center;
}

.product-hero-image-karter img {
  aspect-ratio: 9 / 12;
  max-height: 610px;
}

.product-video-section {
  background: rgba(3, 16, 31, .38);
}

.product-video-section .section-heading {
  margin-bottom: 24px;
}

.product-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-video-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(8, 29, 49, .96), rgba(4, 17, 31, .98));
}

.product-video-frame {
  aspect-ratio: 16 / 9;
  background: #020a13;
}

.product-video-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.product-video-card-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px 17px;
}

.product-video-card-body h3 {
  margin: 0;
  font-size: 18px;
}

.product-video-card-body .text-link {
  white-space: nowrap;
}

@media (max-width: 720px) {
  .product-video-grid {
    grid-template-columns: 1fr;
  }

  .product-video-card-body {
    align-items: flex-start;
    flex-direction: column;
  }
}

.plan-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  border: 0;
  padding: 0;
  margin: 0 0 8px;
}

.plan-picker legend {
  grid-column: 1 / -1;
  padding: 0 0 7px;
  color: #b6c6d5;
  font-size: 12px;
  font-weight: 700;
}

.plan-option {
  display: block;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #07182a;
  cursor: pointer;
}

.plan-option:has(input:checked) {
  border-color: rgba(34, 239, 174, .5);
  background: rgba(34, 239, 174, .05);
}

.plan-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.plan-option b,
.plan-option small {
  display: block;
}

.plan-option b {
  color: #fff;
  font-size: 13px;
}

.plan-option small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.payment-routes {
  display: grid;
  gap: 10px;
}

@media (max-width: 720px) {
  .plan-picker {
    grid-template-columns: 1fr;
  }

  .product-hero-image-karter img {
    max-height: 520px;
  }
}

/* Program activation, trials and license management */
.activation-card { max-width: 620px; }
.activation-actions { display: grid; gap: 12px; margin-top: 24px; }
.device-code-preview {
    margin: 20px 0; padding: 16px; border: 1px solid rgba(103, 232, 249, .25);
    border-radius: 14px; background: rgba(10, 31, 50, .72);
}
.device-code-preview small { display: block; color: var(--muted); margin-bottom: 6px; }
.device-code-preview strong { font: 700 18px/1.4 monospace; letter-spacing: .08em; word-break: break-all; }
.inline-activation-form {
    display: grid; grid-template-columns: minmax(260px, 1fr) auto;
    gap: 16px; align-items: end; margin: 16px 0 10px;
}
.inline-activation-form label { display: grid; gap: 7px; }
.inline-activation-form label span { color: var(--muted); font-size: 13px; }
.inline-activation-form input,
.inline-activation-form select,
.admin-license-row input,
.admin-license-row select {
    min-height: 44px; border: 1px solid rgba(148, 163, 184, .2);
    border-radius: 10px; background: rgba(3, 16, 31, .78); color: #fff; padding: 9px 12px;
}
.trial-panel .inline-activation-form { grid-template-columns: minmax(280px, 1fr) minmax(220px, .7fr) auto; }
.trial-rule {
    min-height: 44px; display: grid; align-content: center; padding: 7px 12px;
    border: 1px solid rgba(148, 163, 184, .2); border-radius: 10px; background: rgba(3, 16, 31, .55);
}
.trial-rule span,.trial-rule small { color: var(--muted); font-size: 11px; }
.trial-rule strong { color: var(--cyan); font-size: 14px; }
.trial-status-grid { margin-top: 18px; }
.admin-license-row { grid-template-columns: minmax(300px, 1fr) 150px 145px 90px auto auto; }
.admin-check { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13px; }
.admin-check input { min-height: auto; }
@media (max-width: 900px) {
    .inline-activation-form, .trial-panel .inline-activation-form { grid-template-columns: 1fr; }
    .admin-license-row { grid-template-columns: 1fr; }
}
/* Karter activation guide */
.faq-hero-link { margin-top: 28px; }
.activation-guide .section-heading > p {
    max-width: 720px; margin: 16px auto 0; color: var(--muted);
}
.activation-paths {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px;
}
.activation-path {
    padding: 26px; border: 1px solid var(--line); border-radius: 20px;
    background: linear-gradient(145deg, rgba(8, 29, 49, .96), rgba(4, 17, 31, .98));
}
.activation-path-paid { border-color: rgba(34, 239, 174, .28); }
.activation-path-head { display: flex; align-items: center; gap: 15px; margin-bottom: 24px; }
.activation-path-head > span {
    display: grid; place-items: center; min-width: 82px; min-height: 50px; padding: 8px;
    border: 1px solid rgba(49, 223, 255, .3); border-radius: 13px;
    background: rgba(49, 223, 255, .07); color: var(--cyan); font-size: 12px; font-weight: 800;
}
.activation-path-paid .activation-path-head > span {
    border-color: rgba(34, 239, 174, .34); background: rgba(34, 239, 174, .07); color: var(--green);
}
.activation-path-head small { color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.activation-path-head h3 { margin: 2px 0 0; font-size: 24px; }
.activation-steps { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; }
.activation-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; }
.activation-steps li > b {
    display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px;
    background: rgba(49, 223, 255, .1); color: var(--cyan);
}
.activation-path-paid .activation-steps li > b { background: rgba(34, 239, 174, .1); color: var(--green); }
.activation-steps strong { display: block; margin-bottom: 3px; }
.activation-steps p { margin: 0; color: var(--muted); font-size: 13px; }
.activation-warning {
    display: grid; grid-template-columns: 46px 1fr; gap: 16px; margin-top: 20px; padding: 20px;
    border: 1px solid rgba(255, 190, 77, .3); border-radius: 16px; background: rgba(255, 164, 45, .06);
}
.activation-warning > span {
    display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
    background: rgba(255, 185, 68, .12); color: #ffc66d; font-size: 22px; font-weight: 900;
}
.activation-warning p { margin: 4px 0 0; color: #c6b79e; font-size: 13px; }
.activation-help { max-width: 900px; margin: 28px auto 0; }
.activation-help details {
    margin-bottom: 10px; padding: 0 20px; border: 1px solid var(--line);
    border-radius: 13px; background: rgba(7, 24, 42, .7);
}
.activation-help summary {
    display: flex; justify-content: space-between; gap: 20px; padding: 17px 0;
    cursor: pointer; list-style: none; font-weight: 750;
}
.activation-help summary::-webkit-details-marker { display: none; }
.activation-help summary b { color: var(--cyan); font-size: 20px; transition: .2s; }
.activation-help details[open] summary b { transform: rotate(45deg); }
.activation-help details p { margin: 0; padding: 0 0 18px; color: var(--muted); }
.faq-general { padding-top: 20px; }
.faq-general .section-heading h2 { font-size: 34px; }
.panel-kicker { display: block; color: var(--cyan); text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 3px; }
.account-help-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.account-help-grid article {
    padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: #04111f;
}
.account-help-grid article > span { color: var(--cyan); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }
.account-help-grid article:last-child > span { color: var(--green); }
.account-help-grid h3 { margin: 4px 0 12px; }
.account-help-grid ol { margin: 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.account-help-grid li + li { margin-top: 5px; }
.account-device-note {
    margin-top: 14px; padding: 13px 15px; border-radius: 11px;
    background: rgba(255, 164, 45, .06); color: #c6b79e; font-size: 13px;
}
@media (max-width: 720px) {
    .activation-paths, .account-help-grid { grid-template-columns: 1fr; }
    .activation-path { padding: 20px; }
    .activation-warning { grid-template-columns: 1fr; }
}

.download-actions { display: grid; gap: 10px; align-content: start; }
.download-help-section { padding-top: 0; }
.download-help { padding: 34px; border: 1px solid rgba(49,223,255,.22); border-radius: 22px; background: rgba(7,24,42,.72); }
.download-help-heading h2 { margin: 0 0 10px; font-size: clamp(27px,3vw,38px); line-height: 1.15; }
.download-help-heading>p { margin: 0; max-width: 900px; color: var(--muted); }
.download-help-source { margin-top: 18px; padding: 12px 14px; border: 1px solid rgba(34,239,174,.24); border-radius: 10px; background: rgba(34,239,174,.05); color: #bcebdc; overflow-wrap: anywhere; }
.download-help-browsers { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.download-help-browsers article { padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: #061526; }
.download-help-browsers h3 { margin: 0 0 7px; font-size: 17px; }
.download-help-browsers p { margin: 0; color: var(--muted); font-size: 14px; }
.download-help-warning { margin: 18px 0 0; padding: 13px 15px; border-left: 3px solid #ffb347; background: rgba(255,179,71,.07); color: #e8cfa9; }
@media(max-width:720px){.download-help{padding:24px 18px}.download-help-browsers{grid-template-columns:1fr}}

.chestmaster-advantages { padding-top: 25px; }
.chestmaster-advantages-heading { max-width: 850px; margin: 0 auto 38px; text-align: center; }
.chestmaster-advantages-heading .eyebrow { justify-content: center; }
.chestmaster-advantages-heading h2 { max-width: 760px; margin: 12px auto 16px; }
.chestmaster-advantages-heading p { margin: 0 auto; color: var(--muted); font-size: 17px; line-height: 1.7; }
.chestmaster-advantage-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.chestmaster-advantage-grid article { display: grid; grid-template-columns: 44px 1fr; gap: 14px; min-height: 190px; padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg,rgba(8,29,49,.96),rgba(4,17,31,.98)); }
.chestmaster-advantage-grid article>span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(49,223,255,.28); border-radius: 12px; background: rgba(49,223,255,.07); color: var(--cyan); font-size: 19px; font-weight: 800; }
.chestmaster-advantage-grid article:nth-child(3n+2)>span { border-color: rgba(34,239,174,.3); background: rgba(34,239,174,.07); color: var(--green); }
.chestmaster-advantage-grid h3 { margin: 4px 0 9px; font-size: 18px; }
.chestmaster-advantage-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.chestmaster-advantage-result { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr) auto; align-items: center; gap: 25px; margin-top: 18px; padding: 26px 28px; border: 1px solid rgba(34,239,174,.3); border-radius: 18px; background: linear-gradient(120deg,rgba(34,239,174,.08),rgba(49,223,255,.05)); }
.chestmaster-advantage-result strong { font-size: 20px; }
.chestmaster-advantage-result p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
@media(max-width:980px){.chestmaster-advantage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chestmaster-advantage-result{grid-template-columns:1fr auto}.chestmaster-advantage-result p{grid-column:1/-1;grid-row:2}}
@media(max-width:640px){.chestmaster-advantage-grid{grid-template-columns:1fr}.chestmaster-advantage-grid article{min-height:0}.chestmaster-advantage-result{grid-template-columns:1fr}.chestmaster-advantage-result p{grid-column:auto;grid-row:auto}.chestmaster-advantage-result .button{width:100%;text-align:center}}