:root{
  --sd-bg:#0E1020;
  --sd-surface:#171A2E;
  --sd-surface-2:#1E2240;
  --sd-text:#E9ECF5;
  --sd-muted:#A8B0C2;
  --sd-border:#2A2E52;
  --sd-accent:#F6C343;
  --sd-accent-hover:#E9B93A;
  --sd-success:#41D38D;
  --sd-danger:#FF5A6D;

  --sd-light-bg:#F5F6FB;
  --sd-light-surface:#FFFFFF;
  --sd-light-border:#E6E8F2;
  --sd-light-text:#0E1020;
  --sd-light-muted:#667085;
}

html,body{height:100%;}
body{
  background: radial-gradient(1200px 800px at 65% 0%, rgba(246,195,67,.10), transparent 55%),
              radial-gradient(900px 600px at 0% 35%, rgba(65,211,141,.10), transparent 50%),
              var(--sd-bg);
  color:var(--sd-text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.sd-navbar{
  background: rgba(14,16,32,.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42,46,82,.65);
}

.sd-brand{
  font-weight: 800;
  letter-spacing: .2px;
}

.sd-hero{
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
}

.sd-page-light{
  background: var(--sd-light-bg);
  color: var(--sd-light-text);
}

.sd-page-light .sd-muted{ color: var(--sd-light-muted) !important; }

/* Dark blocks placed inside the light page */
.sd-on-dark{
  color: var(--sd-text);
}

.sd-on-dark .sd-muted{
  color: var(--sd-muted) !important;
}

.sd-kicker{
  color: var(--sd-muted);
  font-size: 0.95rem;
}

.sd-h1{
  font-weight: 800;
  line-height: 1.05;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.sd-lead{
  color: var(--sd-muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.sd-card{
  background: linear-gradient(180deg, rgba(23,26,46,.98), rgba(23,26,46,.92));
  border: 1px solid rgba(42,46,82,.75);
  box-shadow: 0 18px 40px rgba(0,0,0,.25);
}

.sd-card-2{
  background: linear-gradient(180deg, rgba(30,34,64,.98), rgba(30,34,64,.92));
  border: 1px solid rgba(42,46,82,.75);
}

.sd-card-light{
  background: var(--sd-light-surface);
  border: 1px solid var(--sd-light-border);
  box-shadow: 0 10px 30px rgba(16,24,40,.08);
}

.sd-soft-yellow{ background: #FFF4D6; border-color: #FFE2A1; }
.sd-soft-blue{ background: #EAF3FF; border-color: #CFE3FF; }
.sd-soft-violet{ background: #F0ECFF; border-color: #DED4FF; }

.sd-pill{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.35rem .6rem;
  border-radius: 999px;
  border: 1px solid rgba(42,46,82,.8);
  background: rgba(23,26,46,.55);
  color: var(--sd-muted);
  font-size:.85rem;
}

.sd-page-light .sd-pill{
  border: 1px solid var(--sd-light-border);
  background: rgba(255,255,255,.75);
  color: var(--sd-light-muted);
}

.sd-badge-hot{
  background: rgba(255,90,109,.15);
  color: var(--sd-danger);
  border: 1px solid rgba(255,90,109,.35);
}

.sd-badge-ok{
  background: rgba(65,211,141,.15);
  color: var(--sd-success);
  border: 1px solid rgba(65,211,141,.35);
}

.btn-primary{
  --bs-btn-color:#141414;
  --bs-btn-bg: var(--sd-accent);
  --bs-btn-border-color: var(--sd-accent);
  --bs-btn-hover-bg: var(--sd-accent-hover);
  --bs-btn-hover-border-color: var(--sd-accent-hover);
  --bs-btn-active-bg: var(--sd-accent-hover);
  --bs-btn-active-border-color: var(--sd-accent-hover);
  font-weight: 700;
}

.btn-outline-light{
  border-color: rgba(233,236,245,.35);
  color: var(--sd-text);
}

.btn-outline-light:hover{
  background: rgba(233,236,245,.10);
  border-color: rgba(233,236,245,.55);
}

.sd-section{
  padding: 3.25rem 0;
}

.sd-section h2{
  font-weight: 800;
  line-height: 1.1;
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
}

.sd-muted{ color: var(--sd-muted) !important; }

.sd-img{
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(42,46,82,.75);
  box-shadow: 0 18px 50px rgba(0,0,0,.40);
}

.sd-page-light .sd-img,
.sd-page-light .sd-img-mini{
  border-color: rgba(17,24,39,.12);
  box-shadow: 0 16px 40px rgba(16,24,40,.18);
}

.sd-img-mini{
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(42,46,82,.75);
}

.sd-list{
  padding-left: 0;
  margin: 0;
  list-style: none;
}
.sd-list li{display:flex; gap:.65rem; align-items:flex-start; margin:.55rem 0;}
.sd-check{width: 1rem; height: 1rem; margin-top:.18rem; flex: 0 0 auto; color: var(--sd-success);}

/* "Знакомо?" block */
.sd-recog-list{
  padding-left: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

@media (min-width: 992px){
  .sd-recog-list{ grid-template-columns: 1fr 1fr; gap: 1.1rem 1.4rem; }
}

.sd-recog-list li{
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0;
}

.sd-dot{
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--sd-light-border);
  background: rgba(255,255,255,.92);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.sd-dot::after{
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--sd-accent);
  box-shadow: 0 0 0 7px rgba(246,195,67,.12);
}

/* HTML mock: inbox UI */
.sd-ui{
  border-radius: 18px;
  border: 1px solid rgba(42,46,82,.75);
  background: radial-gradient(900px 520px at 30% -10%, rgba(246,195,67,.12), transparent 55%),
              radial-gradient(900px 520px at 85% 15%, rgba(65,211,141,.10), transparent 55%),
              linear-gradient(180deg, rgba(14,16,32,.98), rgba(14,16,32,.90));
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  overflow: hidden;
}

.sd-ui__topbar{
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(42,46,82,.60);
  background: rgba(23,26,46,.35);
}

.sd-ui__brand{
  font-weight: 800;
  letter-spacing: .2px;
}

.sd-ui__search{
  height: 34px;
  border-radius: 999px;
  padding: 0 14px;
  display:flex;
  align-items:center;
  color: rgba(233,236,245,.55);
  background: rgba(30,34,64,.55);
  border: 1px solid rgba(42,46,82,.75);
  font-size: .88rem;
}

.sd-ui__cta{
  background: var(--sd-accent);
  color: #141414;
  font-weight: 800;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: .85rem;
}

.sd-ui__content{
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 14px;
  padding: 14px;
}

.sd-ui__sidebar{
  border-radius: 16px;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(23,26,46,.28);
  padding: 12px;
}

.sd-ui__nav{
  padding: 10px 10px;
  border-radius: 12px;
  color: rgba(233,236,245,.70);
  font-weight: 600;
  margin-bottom: 6px;
  font-size: .92rem;
}

.sd-ui__nav--active{
  background: rgba(30,34,64,.70);
  color: rgba(233,236,245,.92);
}

.sd-ui__main{
  border-radius: 16px;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(23,26,46,.18);
  padding: 14px;
}

.sd-ui__title{
  font-weight: 900;
  font-size: 1.7rem;
  line-height: 1.1;
}

.sd-ui__subtitle{
  color: rgba(233,236,245,.60);
  margin-top: 4px;
  margin-bottom: 10px;
  font-size: .92rem;
}

.sd-ui__filters{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(42,46,82,.60);
  background: rgba(30,34,64,.40);
}

.sd-ui__chip{
  color: rgba(233,236,245,.60);
  font-weight: 700;
  font-size: .9rem;
}

.sd-ui__chip--spacer{ margin-left: 10px; }

.sd-ui__pill{
  border-radius: 999px;
  padding: 6px 12px;
  font-weight: 700;
  font-size: .85rem;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(14,16,32,.35);
  color: rgba(233,236,245,.85);
  line-height: 1;
}

.sd-ui__pill--muted{
  background: rgba(14,16,32,.28);
  color: rgba(233,236,245,.70);
}

.sd-ui__pill--warn{
  background: rgba(246,195,67,.95);
  border-color: rgba(246,195,67,.95);
  color: #141414;
}

.sd-ui__pill--danger{
  background: rgba(255,90,109,.95);
  border-color: rgba(255,90,109,.95);
  color: #141414;
}

.sd-ui__table{ margin-top: 12px; }

.sd-ui__thead{
  display: grid;
  grid-template-columns: 70px 1fr 120px 160px 150px 120px;
  gap: 10px;
  padding: 10px 12px;
  color: rgba(233,236,245,.55);
  font-weight: 800;
  font-size: .78rem;
}

.sd-ui__row{
  display: grid;
  grid-template-columns: 70px 1fr 120px 160px 150px 120px;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(42,46,82,.55);
  background: rgba(30,34,64,.25);
  margin-top: 10px;
  align-items: center;
}

.sd-ui__num{
  font-weight: 900;
  color: rgba(233,236,245,.90);
}

.sd-ui__rowtitle{
  font-weight: 900;
  color: rgba(233,236,245,.92);
  line-height: 1.15;
}

.sd-ui__rowmeta{
  margin-top: 3px;
  color: rgba(233,236,245,.55);
  font-size: .84rem;
}

.sd-ui__deadline{
  color: rgba(233,236,245,.80);
  font-weight: 700;
  font-size: .9rem;
}

.sd-ui__status{
  display: inline-flex;
  justify-content: center;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(14,16,32,.35);
  color: rgba(233,236,245,.85);
  font-weight: 800;
  font-size: .85rem;
}

.sd-ui__status--warn{
  background: rgba(246,195,67,.95);
  border-color: rgba(246,195,67,.95);
  color: #141414;
}

.sd-ui__status--danger{
  background: rgba(255,90,109,.95);
  border-color: rgba(255,90,109,.95);
  color: #141414;
}

@media (max-width: 991.98px){
  .sd-ui__content{ grid-template-columns: 1fr; }
  .sd-ui__sidebar{ display:none; }
  .sd-ui__thead,
  .sd-ui__row{ grid-template-columns: 70px 1fr; }
  .sd-ui__thead > :nth-child(n+3),
  .sd-ui__row > :nth-child(n+3){ display:none; }
}

/* HTML mocks: shared UI elements */
.sd-ui__nav{ position: relative; }
.sd-ui__nav--active{ padding-left: 22px; }
.sd-ui__nav--active::before{
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 999px;
  background: rgba(246,195,67,.95);
  box-shadow: 0 0 0 6px rgba(246,195,67,.10);
}

.sd-ui__panel{
  border-radius: 16px;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(30,34,64,.25);
}

.sd-ui__btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid rgba(42,46,82,.70);
  background: rgba(14,16,32,.28);
  color: rgba(233,236,245,.86);
  font-weight: 800;
  font-size: .9rem;
  line-height: 1;
  user-select: none;
}

.sd-ui__btn--primary{
  background: rgba(246,195,67,.95);
  border-color: rgba(246,195,67,.95);
  color: #141414;
}

.sd-ui__btn--ghost{
  background: rgba(14,16,32,.18);
  color: rgba(233,236,245,.70);
}

.sd-ui__btn--pill{
  border-radius: 999px;
}

.sd-ui__toggle{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(42,46,82,.70);
  font-weight: 900;
  font-size: .85rem;
}

.sd-ui__toggle--on{
  background: rgba(65,211,141,.95);
  border-color: rgba(65,211,141,.95);
  color: #141414;
}

.sd-ui__toggle--off{
  background: rgba(14,16,32,.28);
  color: rgba(233,236,245,.72);
}

.sd-ui__pagehead{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 12px;
}

.sd-ui__actions{ display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

/* Channels screen */
.sd-ui__channels-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 991.98px){
  .sd-ui__channels-grid{ grid-template-columns: 1fr; }
}

.sd-ui__channel{
  padding: 16px;
}

.sd-ui__channelTop{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.sd-ui__channelTitle{ font-weight: 900; font-size: 1.05rem; }
.sd-ui__channelDesc{ color: rgba(233,236,245,.60); margin-top: 4px; font-size: .9rem; }

.sd-ui__channelActions{
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.sd-ui__channelActions .sd-ui__btn{ flex: 1 1 auto; }

/* Ticket card screen */
.sd-ui__ticketWrap{
  padding: 14px;
}

.sd-ui__ticketCard{ padding: 16px; }

.sd-ui__ticketGrid{
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 14px;
  margin-top: 14px;
}

@media (max-width: 991.98px){
  .sd-ui__ticketGrid{ grid-template-columns: 1fr; }
}

.sd-ui__info{ padding: 14px; }
.sd-ui__kv{ margin-bottom: 12px; }
.sd-ui__k{ color: rgba(233,236,245,.55); font-weight: 800; font-size: .78rem; letter-spacing: .02em; text-transform: uppercase; }
.sd-ui__v{ margin-top: 6px; font-weight: 900; color: rgba(233,236,245,.92); }
.sd-ui__vSmall{ margin-top: 6px; color: rgba(233,236,245,.72); font-weight: 700; font-size: .9rem; }

.sd-ui__deadlinePill{
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,90,109,.95);
  border: 1px solid rgba(255,90,109,.95);
  color: #141414;
  font-weight: 900;
  font-size: .9rem;
  line-height: 1;
}

.sd-ui__tags{ display: grid; gap: 10px; }

.sd-ui__conversation{ padding: 14px; display:flex; flex-direction: column; gap: 12px; }

.sd-ui__msg{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(42,46,82,.60);
  background: rgba(14,16,32,.28);
  color: rgba(233,236,245,.82);
}

.sd-ui__msg--support{
  background: rgba(30,34,64,.45);
}

.sd-ui__msgLabel{
  color: rgba(233,236,245,.55);
  font-weight: 900;
  font-size: .78rem;
  margin-bottom: 6px;
}

.sd-ui__composer{
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding-top: 8px;
}

.sd-ui__input{
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(42,46,82,.65);
  background: rgba(14,16,32,.25);
  display:flex;
  align-items:center;
  padding: 0 14px;
  color: rgba(233,236,245,.60);
  font-weight: 700;
}

.sd-kpi{ font-weight: 800; font-size: 2.25rem; }

.sd-step-num{
  font-weight: 900;
  font-size: 2.3rem;
  color: rgba(246,195,67,.95);
  letter-spacing: .5px;
}

.sd-pricing-highlight{
  border-color: rgba(246,195,67,.65) !important;
  box-shadow: 0 18px 55px rgba(246,195,67,.10);
}

.sd-pricing-highlight .sd-plan-top{
  background: rgba(246,195,67,.12);
  border: 1px solid rgba(246,195,67,.25);
}

.sd-plan-top{
  border-radius: 12px;
  padding: .55rem .75rem;
  background: rgba(233,236,245,.04);
  border: 1px solid rgba(42,46,82,.65);
}

.sd-page-light .sd-plan-top{
  background: rgba(16,24,40,.03);
  border: 1px solid var(--sd-light-border);
}

.sd-note{
  border-radius: 14px;
  border: 1px solid rgba(255,90,109,.35);
  background: rgba(255,90,109,.10);
  color: rgba(233,236,245,.92);
  padding: .75rem 1rem;
}

.sd-page-light .sd-note{
  border: 1px solid rgba(255,90,109,.25);
  background: rgba(255,90,109,.08);
  color: rgba(16,24,40,.85);
}

.sd-footer{
  border-top: 1px solid rgba(42,46,82,.75);
  color: var(--sd-muted);
  padding: 2rem 0;
}

.sd-page-light .sd-footer{
  border-top: 1px solid var(--sd-light-border);
  color: var(--sd-light-muted);
}

.accordion{
  --bs-accordion-bg: rgba(23,26,46,.70);
  --bs-accordion-border-color: rgba(42,46,82,.75);
  --bs-accordion-btn-color: var(--sd-text);
  --bs-accordion-color: var(--sd-muted);
  --bs-accordion-active-bg: rgba(30,34,64,.75);
  --bs-accordion-active-color: var(--sd-text);
}

.sd-page-light .accordion{
  --bs-accordion-bg: #FFFFFF;
  --bs-accordion-border-color: var(--sd-light-border);
  --bs-accordion-btn-color: var(--sd-light-text);
  --bs-accordion-color: var(--sd-light-muted);
  --bs-accordion-active-bg: rgba(246,195,67,.10);
  --bs-accordion-active-color: var(--sd-light-text);
}

.modal-content{
  background: linear-gradient(180deg, rgba(23,26,46,.98), rgba(23,26,46,.92));
  border: 1px solid rgba(42,46,82,.75);
}

.sd-screenshot-modal .modal-content{
  background: transparent;
  border: 0;
  box-shadow: none;
}

.sd-screenshot-modal .modal-body{
  padding: 0;
}

.sd-screenshot-modal img{
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid rgba(233,236,245,.18);
  box-shadow: 0 22px 60px rgba(0,0,0,.55);
}

.form-control, .form-select{
  background: rgba(14,16,32,.55);
  border-color: rgba(42,46,82,.85);
  color: var(--sd-text);
}

/* Make placeholders readable on dark backgrounds */
.form-control::placeholder{
  color: rgba(233,236,245,.55);
  opacity: 1;
}

/* Select "placeholder" option (required + empty value) */
.form-select:required:invalid{
  color: rgba(233,236,245,.55);
}

/* Keep real options readable */
.form-select option{ color: initial; }

.sd-page-light .form-control::placeholder{
  color: rgba(102,112,133,.70);
}

.sd-page-light .form-select:required:invalid{
  color: rgba(102,112,133,.70);
}
.form-control:focus, .form-select:focus{
  box-shadow: 0 0 0 .25rem rgba(246,195,67,.15);
  border-color: rgba(246,195,67,.7);
}

/* Lead modal: make select dropdown look richer (browser support varies) */
#leadModal .form-control,
#leadModal .form-select{
  background: rgba(14,16,32,.78);
  border-color: rgba(42,46,82,.95);
  color: rgba(233,236,245,.92);
}

#leadModal .form-control::placeholder{
  color: rgba(233,236,245,.50);
}

#leadModal .form-select:required:invalid{
  color: rgba(233,236,245,.62);
}

#leadModal .form-select{
  color-scheme: dark;
}

#leadModal .form-select option{
  background: #0E1020;
  color: rgba(233,236,245,.92);
}

#leadModal .form-select option:disabled{
  color: rgba(233,236,245,.60);
}

@media (max-width: 991.98px){
  .sd-hero{ padding-top: 3.5rem; }
}