/* ZH Marketing, uslugi.css
   Услуги по структурата на visuvate.com: решетка с четири карти с движеща се илюстрация; всяка карта води към
   отделна страница на услугата с дълго описание вляво и залепен панел „Какво включва“ вдясно.
   Зарежда се след home.css и shell.css. */

/* ---------- Карти на категориите ---------- */
.s-cards { display: grid; gap: 12px; }
@media (min-width: 700px) { .s-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .s-cards { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.s-card {
  isolation: isolate; display: grid; grid-template-rows: auto 1fr; color: var(--paper); text-decoration: none; scroll-margin-top: 120px;
  transition: transform var(--dur-press) var(--ease-out);
}
.s-card:active { transform: scale(0.985); }
.s-card:focus-visible { outline: 2px solid var(--paper); outline-offset: 4px; }
.s-art { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; padding: 8% 10%; overflow: visible; }
.s-art * { fill: none; stroke: currentColor; stroke-width: 2; }
.s-art .f { fill: currentColor; stroke: none; opacity: 0.26; }
.s-art .a { fill: var(--signal); stroke: none; }
.s-art .s-beams path { stroke: var(--signal); stroke-width: 3; stroke-dasharray: 10 60; }
.s-card-body { display: grid; align-content: start; gap: 10px; padding: 16px 18px 22px; border-top: 1px solid var(--glass-line); }
.s-card-title { font-family: var(--cond); font-weight: 800; text-transform: uppercase; font-size: clamp(26px, 2.3vw, 34px); line-height: 0.95; text-wrap: balance; }
.s-card-text { font-size: 15px; line-height: 1.45; opacity: 0.72; }
.s-card-go { display: inline-flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 14px; font-weight: 700; }
.s-card-go svg { width: 16px; height: 16px; transition: transform var(--dur-base) var(--ease-out); }
@media (max-width: 699px) {
  .s-card { grid-template-rows: none; grid-template-columns: 112px minmax(0, 1fr); align-items: center; }
  .s-art { padding: 12px; aspect-ratio: 1; }
  .s-card-body { border-top: 0; border-left: 1px solid var(--glass-line); padding: 14px 14px 18px; gap: 6px; }
  .s-card-text { font-size: 14px; }
}

/* Посочване: светлата черта по ръба е в shell.css (обща с картата за статия) */
@media (hover: hover) and (pointer: fine) { .s-card:hover .s-card-go svg { transform: translateX(4px); } }

@media (prefers-reduced-motion: no-preference) {

  /* Илюстрациите се движат сами в цикъл */
  .s-art :is(.s-bars rect, .s-press, .s-pop, .s-nodes rect) { transform-box: fill-box; transform-origin: 50% 100%; }
  .s-bars rect { animation: s-tick 2.4s var(--ease-in-out) infinite alternate; }
  .s-bars rect:nth-child(2) { animation-delay: -0.8s; }
  .s-bars rect:nth-child(3) { animation-delay: -1.6s; }
  .s-art .s-press { transform-origin: 50% 50%; animation: s-press 3.6s var(--ease-in-out) infinite; }
  .s-art .s-pop { transform-origin: 50% 50%; animation: s-pop 3.8s var(--ease-in-out) infinite; }
  .s-beams path { animation: s-beam 3.8s linear infinite; }
  .s-beams path:nth-child(2) { animation-delay: -2.9s; }
  .s-beams path:nth-child(3) { animation-delay: -1.9s; }
  .s-beams path:nth-child(4) { animation-delay: -0.9s; }
  .s-scroll { animation: s-scroll 6.5s var(--ease-in-out) infinite alternate; }
  .s-art .s-nodes rect { transform-origin: 50% 50%; animation: s-blink 2.6s var(--ease-in-out) infinite; }
  .s-art .s-nodes rect:nth-child(2) { animation-delay: -0.65s; }
  .s-art .s-nodes rect:nth-child(3) { animation-delay: -1.3s; }
  .s-art .s-nodes rect:nth-child(4) { animation-delay: -1.95s; }
  @keyframes s-tick { from { transform: scaleY(0.55); } to { transform: scaleY(1); } }
  @keyframes s-press { 0%, 55%, 70%, 100% { transform: scale(1); } 62% { transform: scale(0.86); } }
  @keyframes s-pop { 0%, 60%, 76%, 100% { transform: scale(1); } 68% { transform: scale(1.3); } }
  @keyframes s-beam { from { stroke-dashoffset: 70; } to { stroke-dashoffset: 0; } }
  @keyframes s-scroll { from { transform: translateY(0); } to { transform: translateY(-30px); } }
  @keyframes s-blink { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }

  /* Поява при скрол: от 34px по-ниско за 0.7 s, 0.1 s една след друга. Без JS картите стоят видими. */
  .js .s-card[data-s]:not(.is-in) { opacity: 0; transform: translateY(34px); animation: s-show 1ms 4s forwards; }
  .js .s-card[data-s].is-in { transition: opacity 700ms var(--ease-out) calc(var(--ci, 0) * 100ms), transform 700ms var(--ease-out) calc(var(--ci, 0) * 100ms); }
  .js .s-card[data-s].is-in.is-done { transition: transform var(--dur-press) var(--ease-out); }
  @keyframes s-show { to { opacity: 1; transform: none; } }
}

/* ---------- Страница на услуга ---------- */
.zh-back { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 20px 0 7px; border-radius: var(--r-pill); box-shadow: inset 0 0 0 1px rgba(247, 247, 247, 0.22); color: var(--paper); text-decoration: none; font-size: 15px; font-weight: 600; line-height: 1.2; transition: background-color 300ms var(--ease-brand), color 300ms var(--ease-brand); }
.zh-back i { display: grid; place-items: center; width: 30px; height: 30px; border-radius: var(--r-pill); background: rgba(247, 247, 247, 0.1); }
.zh-back svg { width: 14px; height: 14px; transform: scaleX(-1); }
@media (hover: hover) and (pointer: fine) { .zh-back:hover { background: var(--paper); color: var(--ink); } .zh-back:hover i { background: rgba(12, 12, 12, 0.12); } }
.sv .zh-hero h1 { font-size: clamp(46px, 9.6vw, 148px); }
.sv-grid { display: grid; gap: 48px clamp(40px, 5vw, 72px); align-items: start; padding-bottom: clamp(56px, 7vw, 96px); }
@media (min-width: 1000px) { .sv-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr); } }
.sv-copy { max-width: 660px; }
.sv-copy p { max-width: none; font-size: 18px; line-height: 1.75; color: var(--paper-72); }
.sv-copy p + p { margin-top: 20px; }
.sv-copy .sv-lead { font-size: clamp(20px, 2vw, 26px); font-weight: 600; line-height: 1.45; color: var(--paper); }
@media (max-width: 599px) { .sv-copy p { font-size: 17px; line-height: 1.7; } }
.sv-inc { padding: 28px; }
@media (min-width: 1000px) { .sv-inc { position: sticky; top: 104px; } }
.sv-inc h2 { font-family: var(--cond); font-weight: 800; font-size: 24px; line-height: 1; text-transform: uppercase; letter-spacing: 0.04em; color: var(--paper-72); }
.sv-inc ul { margin: 14px 0 24px; }
.sv-inc li { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 14px; align-items: start; max-width: none; padding-block: 13px; border-top: 1px solid var(--glass-line); font-size: 16px; font-weight: 600; line-height: 1.4; }
.sv-inc li svg { width: 20px; height: 20px; margin-top: 1px; fill: none; stroke: var(--signal); stroke-width: 3; }
@media (max-width: 599px) { .sv-inc { padding: 22px 18px; } }
.sv-next > * { min-width: 0; }
.sv-next { display: grid; gap: 24px; align-items: center; padding: clamp(24px, 3.4vw, 44px); }
.sv-next h2 { font-size: clamp(38px, 4.6vw, 64px); }
.sv-next p { margin-top: 12px; font-size: 16px; color: var(--paper-72); }
.sv-next-btns { display: flex; flex-wrap: wrap; gap: 12px; }
@media (min-width: 900px) { .sv-next { grid-template-columns: minmax(0, 1fr) auto; } }
@media (max-width: 599px) { .sv-next-btns .zh-btn { width: 100%; } .sv-next-btns .zh-btn--line { white-space: normal; text-align: center; padding-block: 10px; line-height: 1.05; } }

/* Вход: панелът идва на място, отметките се изписват една след друга */
@media (prefers-reduced-motion: no-preference) {
  .sv-copy { animation: zh-fade-in 600ms var(--ease-out) 200ms both; }
  .sv-inc { animation: sv-inc-in 700ms var(--ease-brand) 260ms both; }
  .sv-inc li { animation: sv-li-in 420ms var(--ease-out) calc(520ms + var(--i) * 60ms) both; }
  .sv-inc li path { stroke-dasharray: 22; animation: sv-check 320ms var(--ease-out) calc(680ms + var(--i) * 60ms) both; }
  @keyframes sv-inc-in { from { opacity: 0; transform: translateY(34px); } }
  @keyframes sv-li-in { from { opacity: 0; transform: translateX(-10px); } }
  @keyframes sv-check { from { stroke-dashoffset: 22; } to { stroke-dashoffset: 0; } }
}
@media (prefers-reduced-motion: reduce) {
  .s-card, .s-card:active, .s-card-go svg, .zh-back { transition: none; transform: none; }
}