.sd-grid-bg--support {
  height: 900px;
}

.sd-sp-hero {
  position: relative;
  z-index: 1;
  padding: 80px 40px 40px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.sd-sp-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--sd-line-2);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--sd-text-2);
  margin-bottom: 28px;
}

.sd-sp-hero__badge-accent {
  color: var(--sd-accent);
}

.sd-sp-hero__badge-divider {
  width: 1px;
  height: 10px;
  background: var(--sd-line-2);
}

.sd-sp-hero h1 {
  font-size: clamp(52px, 6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 500;
  margin: 0 auto 24px;
  max-width: 880px;
}

.sd-sp-hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--sd-accent);
}

.sd-sp-hero__sub {
  font-size: 18px;
  color: var(--sd-text-2);
  margin: 0 auto 12px;
  line-height: 1.55;
  max-width: 600px;
}

.sd-sp-hero__stats {
  font-size: 11.5px;
  color: var(--sd-text-3);
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

.sd-sp-hero__stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sd-sp-hero__stat strong {
  color: var(--sd-text-2);
  font-weight: 500;
}

.sd-sp-channels {
  position: relative;
  z-index: 1;
  padding: 24px 40px;
  max-width: 1280px;
  margin: 0 auto;
}

.sd-sp-channels__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.sd-sp-channel {
  display: block;
  padding: 28px 28px 24px;
  border-radius: 16px;
  background: var(--sd-surface);
  border: 1px solid var(--sd-line);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.25s;
  text-decoration: none;
  color: inherit;
}

.sd-sp-channel::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--sd-accent) 7%, transparent), transparent 60%);
  transition: background 0.25s;
}

.sd-sp-channel:hover {
  border-color: var(--sd-line-2);
  transform: translateY(-2px);
}

.sd-sp-channel:hover::before {
  background: radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--sd-accent) 14%, transparent), transparent 60%);
}

.sd-sp-channel__inner {
  position: relative;
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 24px;
  align-items: start;
}

.sd-sp-channel__visual {
  height: 112px;
  border-radius: 12px;
  background: var(--sd-bg);
  border: 1px solid var(--sd-line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.sd-sp-channel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.sd-sp-channel__eyebrow {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--sd-text-3);
}

.sd-sp-channel__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: 999px;
  font-size: 10px;
  color: var(--sd-up);
  letter-spacing: 0.04em;
}

.sd-sp-channel h3 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.sd-sp-channel__desc {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--sd-text-2);
  line-height: 1.55;
}

.sd-sp-channel__meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.sd-sp-channel__meta span {
  font-size: 10.5px;
  color: var(--sd-text-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sd-sp-channel__meta span::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sd-text-3);
}

.sd-sp-channel__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sd-accent);
  font-size: 13px;
  font-weight: 500;
  transition: transform 0.2s;
}

.sd-sp-channel:hover .sd-sp-channel__cta {
  transform: translateX(2px);
}

/* Channel visuals */
.sd-sp-v-chat {
  width: 100%;
  height: 100%;
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.sd-sp-v-chat__bubble {
  padding: 6px 10px;
  max-width: 80%;
}

.sd-sp-v-chat__bubble--left {
  align-self: flex-start;
  border-radius: 10px 10px 10px 2px;
  background: var(--sd-surface-2);
}

.sd-sp-v-chat__bubble--right {
  align-self: flex-end;
  border-radius: 10px 10px 2px 10px;
  background: var(--sd-accent);
  max-width: 70%;
}

.sd-sp-v-chat__line {
  height: 4px;
  border-radius: 2px;
}

.sd-sp-v-chat__bubble--left .sd-sp-v-chat__line {
  width: 56px;
  background: rgba(255, 255, 255, 0.15);
}

.sd-sp-v-chat__bubble--right .sd-sp-v-chat__line {
  width: 40px;
  background: rgba(7, 10, 18, 0.5);
}

.sd-sp-v-chat__typing {
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 10px 10px 10px 2px;
  background: var(--sd-surface-2);
  display: inline-flex;
  gap: 3px;
}

.sd-sp-v-chat__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  animation: sd-pulse 1.2s infinite;
}

.sd-sp-v-chat__dot:nth-child(2) { animation-delay: 0.2s; }
.sd-sp-v-chat__dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes sd-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.sd-sp-v-mail {
  position: relative;
  width: 88px;
  height: 64px;
}

.sd-sp-v-mail__box {
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--sd-line-2);
  border-radius: 6px;
  background: var(--sd-surface-2);
}

.sd-sp-v-mail__badge {
  position: absolute;
  top: -6px;
  right: -6px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--sd-accent);
  color: #070a12;
  font-size: 9px;
  font-weight: 700;
}

.sd-sp-v-docs {
  width: 88px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sd-sp-v-docs__row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sd-sp-v-docs__check {
  width: 7px;
  height: 7px;
  border-radius: 1px;
  border: 1px solid var(--sd-line-2);
  flex-shrink: 0;
}

.sd-sp-v-docs__check.is-active {
  background: var(--sd-accent);
}

.sd-sp-v-docs__bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.sd-sp-v-docs__fill {
  height: 100%;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
}

.sd-sp-v-docs__fill.is-active {
  background: var(--sd-accent);
}

.sd-sp-strip {
  padding: 32px 40px 48px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sd-sp-strip__grid {
  border: 1px solid var(--sd-line);
  border-radius: 14px;
  background: var(--sd-surface);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.sd-sp-strip__cell {
  padding: 20px 22px;
  border-left: 1px solid var(--sd-line);
}

.sd-sp-strip__cell:first-child {
  border-left: none;
}

.sd-sp-strip__label {
  font-size: 10.5px;
  color: var(--sd-text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sd-sp-strip__value-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.sd-sp-strip__value {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.sd-sp-strip__target {
  font-size: 10.5px;
  color: var(--sd-text-3);
}

.sd-sp-strip__status {
  font-size: 10.5px;
  color: var(--sd-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sd-sp-strip__status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sd-accent);
}

.sd-sp-faq {
  padding: 40px 40px 24px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sd-sp-faq__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: start;
}

.sd-sp-faq__eyebrow {
  font-size: 11px;
  color: var(--sd-accent);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}

.sd-sp-faq h2 {
  font-size: 36px;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 500;
}

.sd-sp-faq__intro {
  font-size: 14.5px;
  color: var(--sd-text-2);
  line-height: 1.55;
}

.sd-sp-faq__item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 18px 0;
  border-bottom: 1px solid var(--sd-line);
  color: inherit;
  font-family: inherit;
}

.sd-sp-faq__item-grid {
  display: grid;
  grid-template-columns: 1fr 24px;
  align-items: start;
  gap: 16px;
}

.sd-sp-faq__q {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--sd-text-2);
  transition: color 0.2s, margin 0.2s;
}

.sd-sp-faq__item.is-open .sd-sp-faq__q {
  color: var(--sd-text);
  margin-bottom: 10px;
}

.sd-sp-faq__a {
  font-size: 14px;
  color: var(--sd-text-2);
  line-height: 1.6;
  display: none;
}

.sd-sp-faq__item.is-open .sd-sp-faq__a {
  display: block;
  animation: sd-slide-in 0.25s ease-out forwards;
}

.sd-sp-faq__toggle {
  font-size: 18px;
  color: var(--sd-text-3);
  line-height: 1;
  margin-top: 2px;
  transition: transform 0.2s, color 0.2s;
}

.sd-sp-faq__item.is-open .sd-sp-faq__toggle {
  color: var(--sd-accent);
  transform: rotate(45deg);
}

.sd-sp-cta {
  padding: 64px 40px 80px;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sd-sp-cta__card {
  padding: 52px 48px;
  border-radius: 20px;
  text-align: left;
  background: radial-gradient(ellipse at 100% 100%, color-mix(in srgb, var(--sd-accent) 16%, transparent), var(--sd-surface) 70%);
  border: 1px solid var(--sd-line-2);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}

.sd-sp-cta__eyebrow {
  font-size: 11px;
  color: var(--sd-accent);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}

.sd-sp-cta h2 {
  font-size: 40px;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin: 0 0 16px;
  font-weight: 500;
  max-width: 520px;
}

.sd-sp-cta__sub {
  font-size: 15px;
  color: var(--sd-text-2);
  margin: 0 0 28px;
  line-height: 1.55;
  max-width: 480px;
}

.sd-sp-cta__actions {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}

.sd-sp-cta__btn-primary {
  background: var(--sd-accent);
  color: #070a12;
  padding: 13px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sd-sp-cta__btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--sd-text);
  border: 1px solid var(--sd-line-2);
  padding: 13px 20px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.sd-sp-channels-live {
  background: var(--sd-bg);
  border: 1px solid var(--sd-line-2);
  border-radius: 12px;
  padding: 18px;
}

.sd-sp-channels-live__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.sd-sp-channels-live__title {
  font-size: 10.5px;
  color: var(--sd-text-3);
  letter-spacing: 0.1em;
}

.sd-sp-channels-live__all {
  font-size: 10.5px;
  color: var(--sd-up);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sd-sp-channels-live__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  align-items: center;
}

.sd-sp-channels-live__row:nth-child(odd) {
  background: rgba(255, 255, 255, 0.02);
}

.sd-sp-channels-live__left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.sd-sp-channels-live__name {
  font-size: 12.5px;
  color: var(--sd-text);
  flex-shrink: 0;
}

.sd-sp-channels-live__meta {
  font-size: 10.5px;
  color: var(--sd-text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sd-sp-channels-live__time {
  font-size: 10.5px;
  color: var(--sd-text-2);
}

.sd-sp-ticket {
  position: relative;
  z-index: 1;
  padding: 56px 40px;
  max-width: 1180px;
  margin: 0 auto;
}

.sd-sp-ticket__grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 32px;
  align-items: start;
}

.sd-sp-ticket__eyebrow {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--sd-accent);
  margin-bottom: 16px;
}

.sd-sp-ticket h2 {
  margin: 0 0 16px;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.sd-sp-ticket__intro {
  margin: 0;
  color: var(--sd-text-2);
  line-height: 1.6;
  max-width: 420px;
}

.sd-sp-ticket__panel {
  border: 1px solid var(--sd-line);
  background: var(--sd-surface);
  border-radius: 16px;
  padding: 24px;
}

.sd-sp-ticket__alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.sd-sp-ticket__alert--success {
  color: var(--sd-up);
  border: 1px solid rgba(74, 222, 128, 0.22);
  background: rgba(74, 222, 128, 0.08);
}

.sd-sp-ticket__alert--error {
  color: var(--sd-down);
  border: 1px solid rgba(248, 113, 113, 0.22);
  background: rgba(248, 113, 113, 0.08);
}

.sd-sp-ticket__form {
  display: grid;
  gap: 14px;
}

.sd-sp-ticket__form label {
  display: grid;
  gap: 8px;
  color: var(--sd-text-2);
  font-size: 12px;
}

.sd-sp-ticket__form input,
.sd-sp-ticket__form textarea {
  width: 100%;
  border: 1px solid var(--sd-line);
  border-radius: 10px;
  background: var(--sd-bg);
  color: var(--sd-text);
  padding: 12px 14px;
  font: inherit;
  outline: none;
}

.sd-sp-ticket__form textarea {
  resize: vertical;
  min-height: 150px;
}

.sd-sp-ticket__form input:focus,
.sd-sp-ticket__form textarea:focus {
  border-color: var(--sd-line-2);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sd-accent) 14%, transparent);
}

.sd-sp-ticket__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

@media (max-width: 900px) {
  .sd-sp-channels__grid,
  .sd-sp-cta__card,
  .sd-sp-faq__grid,
  .sd-sp-ticket__grid {
    grid-template-columns: 1fr;
  }

  .sd-sp-strip__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sd-sp-strip__cell:nth-child(odd) {
    border-left: none;
  }

  .sd-sp-strip__cell:nth-child(3),
  .sd-sp-strip__cell:nth-child(4) {
    border-top: 1px solid var(--sd-line);
  }

  .sd-sp-channel__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .sd-sp-hero,
  .sd-sp-channels,
  .sd-sp-strip,
  .sd-sp-faq,
  .sd-sp-cta,
  .sd-sp-ticket {
    padding-left: 14px;
    padding-right: 14px;
  }

  .sd-sp-hero h1,
  .sd-sp-cta__card h2,
  .sd-sp-ticket h2 {
    font-size: clamp(34px, 12vw, 48px);
  }

  .sd-sp-hero__badge {
    align-items: flex-start;
    border-radius: 12px;
    flex-wrap: wrap;
  }

  .sd-sp-hero__stats,
  .sd-sp-cta__actions,
  .sd-sp-ticket__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .sd-sp-cta__actions a,
  .sd-sp-ticket__actions .sd-btn {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  .sd-sp-channel,
  .sd-sp-ticket__panel,
  .sd-sp-cta__card {
    border-radius: 14px;
  }

  .sd-sp-channel__visual {
    min-height: 220px;
  }

  .sd-sp-channel__meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .sd-sp-channel__meta span::before {
    display: none;
  }

  .sd-sp-faq__item-grid {
    grid-template-columns: minmax(0, 1fr) 28px;
    gap: 14px;
  }

  .sd-sp-channels-live__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .sd-sp-channels-live__time {
    display: none;
  }

  .sd-sp-strip__grid {
    grid-template-columns: 1fr;
  }

  .sd-sp-strip__cell {
    border-left: none;
    border-top: 1px solid var(--sd-line);
  }

  .sd-sp-strip__cell:first-child {
    border-top: none;
  }
}