/*
 * ThinkDone Solutions - Tech Stack page (new design).
 * Loaded by techstack-v2.php after css/services-v2.css (hero base, heading animations, tech constellation,
 * closing CTA). The process section is styled by css/home-v2.css. All rules sit under .tdst-page.
 */

@keyframes tdst-spin { to { transform: rotate(360deg); } }
@keyframes tdst-spin-back { to { transform: rotate(-360deg); } }
@keyframes tdst-ring { 0%, 100% { opacity: .35; } 50% { opacity: .8; } }

/* ---------- hero: copy left, logo orbit right ---------- */
.tdst-page .tdst-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 48px 64px; min-height: 899px; padding-top: 48px; padding-bottom: 80px; }

.tdst-page .tdst-orbit { --size: min(560px, 40vw); position: relative; justify-self: center; width: var(--size); aspect-ratio: 1; }
.tdst-page .tdst-orbit__ring { position: absolute; border: 1px dashed rgba(221, 222, 222, .28); border-radius: 50%; animation: tdst-ring 6s ease-in-out infinite; }
.tdst-page .tdst-orbit__ring--outer { inset: 0; }
.tdst-page .tdst-orbit__ring--inner { inset: 21%; border-color: rgba(255, 89, 47, .45); animation-delay: 3s; }
.tdst-page .tdst-orbit__core { position: absolute; inset: 37%; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 10px; background: radial-gradient(circle at 30% 25%, rgba(255, 89, 47, .55) 0%, rgba(255, 89, 47, .12) 60%), rgba(23, 24, 26, .85); border: 1px solid rgba(255, 89, 47, .6); border-radius: 50%; box-shadow: 0 0 0 14px rgba(255, 89, 47, .07), 0 0 80px rgba(255, 89, 47, .35); text-align: center; }
.tdst-page .tdst-orbit__num { font-family: var(--tds-display); font-size: clamp(40px, 3.6vw, 60px); line-height: 1; color: #FFFFFF; }
.tdst-page .tdst-orbit__cap { max-width: 110px; font-size: 11px; line-height: 1.35; letter-spacing: 1px; text-transform: uppercase; color: var(--tds-peri); }

/* Each ring of logos spins as one track; the chips spin back so the logos stay upright. */
.tdst-page .tdst-orbit__track { position: absolute; margin: 0; padding: 0; list-style: none; border-radius: 50%; animation: tdst-spin var(--t, 60s) linear infinite; }
.tdst-page .tdst-orbit__track--outer { --t: 70s; --chip: clamp(48px, 4.4vw, 66px); inset: 0; }
.tdst-page .tdst-orbit__track--inner { --t: 48s; --chip: clamp(42px, 3.8vw, 56px); inset: 21%; animation-direction: reverse; }
.tdst-page .tdst-orbit__track li { position: absolute; left: 50%; top: 50%; width: var(--chip); height: var(--chip); margin: calc(var(--chip) / -2) 0 0 calc(var(--chip) / -2); transform: rotate(calc(360deg / var(--n) * var(--i))) translateY(calc(var(--size) * var(--r) * -1)); }
.tdst-page .tdst-orbit__track--outer li { --r: .5; }
.tdst-page .tdst-orbit__track--inner li { --r: .29; }
.tdst-page .tdst-orbit__chip { display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; padding: 22%; background: #FFFFFF; border-radius: 50%; box-shadow: 0 8px 24px rgba(0, 0, 0, .35); transform: rotate(calc(360deg / var(--n) * var(--i) * -1)); }
.tdst-page .tdst-orbit__chip img { display: block; width: 100%; height: 100%; object-fit: contain; animation: tdst-spin-back var(--t, 60s) linear infinite; }
.tdst-page .tdst-orbit__track--inner .tdst-orbit__chip img { animation-name: tdst-spin; }
.tdst-page .tdst-orbit:hover .tdst-orbit__track, .tdst-page .tdst-orbit:hover .tdst-orbit__chip img { animation-play-state: paused; }

/* ---------- interactive map (constellation from services-v2.css) ---------- */
.tdst-page .tdst-map__text { max-width: 520px; margin-top: 20px; font-size: 17px; line-height: 1.7; color: var(--tds-peri); }
.tdst-page .tdst-map .tdss-tech__stats { margin-top: 40px; }

/* ---------- full catalog ---------- */
.tdst-page .tdst-catalog { content-visibility: visible; contain: none; }
.tdst-page .tdst-catalog__aside { max-width: 460px; }
.tdst-page .tdst-catalog__grid { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); align-items: start; gap: 48px 96px; }
.tdst-page .tdst-nav { position: sticky; top: 124px; }
.tdst-page .tdst-nav__list { margin: 0; padding: 0; list-style: none; border-left: 2px solid var(--tds-line); }
.tdst-page .tdst-nav__link { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 0 11px 22px; font-family: var(--tds-title); font-weight: 500; font-size: 17px; color: var(--tds-slate); transition: color .3s; }
.tdst-page .tdst-nav__link::before { content: ''; position: absolute; left: -2px; top: 0; bottom: 0; width: 2px; background: var(--tds-or); transform: scaleY(0); transform-origin: top; transition: transform .4s cubic-bezier(.65, 0, .2, 1); }
.tdst-page .tdst-nav__link:hover, .tdst-page .tdst-nav__link[aria-current="true"] { color: var(--tds-ink); }
.tdst-page .tdst-nav__link[aria-current="true"]::before { transform: scaleY(1); }
.tdst-page .tdst-nav__count { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; height: 24px; padding: 0 7px; border-radius: 999px; background: var(--tds-alt); font-family: var(--tds-body); font-size: 12px; font-weight: 600; color: var(--tds-slate); transition: background-color .3s, color .3s; }
.tdst-page .tdst-nav__link[aria-current="true"] .tdst-nav__count { background: var(--tds-or); color: var(--tds-n950); }

.tdst-page .tdst-catalog__body { min-width: 0; }
.tdst-page .tdst-cat { padding-bottom: 64px; margin-bottom: 64px; border-bottom: 1px solid var(--tds-line); scroll-margin-top: 110px; }
.tdst-page .tdst-cat:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.tdst-page .tdst-cat__head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 28px; }
.tdst-page .tdst-cat__num { font-size: 13px; font-weight: 500; letter-spacing: 1.2px; color: var(--tds-or-text); }
.tdst-page .tdst-cat__name { font-family: var(--tds-display); font-weight: 400; font-size: clamp(30px, 2.6vw, 42px); line-height: 1.05; color: var(--tds-ink); }
.tdst-page .tdst-cat__count { margin-left: auto; font-size: 13px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--tds-slate); white-space: nowrap; }

.tdst-page .tdst-tiles { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.tdst-page .tdst-tile { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-width: 0; min-height: 148px; padding: 20px 14px 16px; overflow: hidden; background: #FFFFFF; border: 1px solid var(--tds-line); border-radius: 12px; text-align: center; transition: border-color .3s, transform .4s cubic-bezier(.2, .8, .2, 1), box-shadow .4s, opacity .6s; transition-delay: 0s, 0s, 0s, calc(var(--i, 0) * .04s); }
.tdst-page .tdst-tile::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--tds-or); transform: scaleX(0); transform-origin: left; transition: transform .45s cubic-bezier(.65, 0, .2, 1); }
.tdst-page .tdst-tile:hover { border-color: rgba(255, 89, 47, .5); transform: translateY(-4px); box-shadow: 0 16px 34px rgba(23, 24, 26, .08); }
.tdst-page .tdst-tile:hover::after { transform: scaleX(1); }
.tdst-page .tdst-tile__logo { display: flex; align-items: center; justify-content: center; width: 100%; height: 60px; }
.tdst-page .tdst-tile__logo img { display: block; max-width: min(100%, 110px); max-height: 56px; object-fit: contain; transition: transform .45s cubic-bezier(.2, .8, .2, 1); }
.tdst-page .tdst-tile:hover .tdst-tile__logo img { transform: scale(1.08); }
.tdst-page .tdst-tile__mono { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; background: var(--tds-tint); font-family: var(--tds-title); font-weight: 600; color: var(--tds-or-text); }
.tdst-page .tdst-tile__label { font-family: var(--tds-title); font-weight: 500; font-size: 14px; line-height: 1.35; color: var(--tds-ink); }
.tdst-page.tdss-ready .tdst-tiles:not(.is-in) .tdst-tile { opacity: 0; transform: translateY(18px); }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .tdst-page .tdst-tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .tdst-page .tdst-catalog__grid { grid-template-columns: minmax(0, 240px) minmax(0, 1fr); gap: 40px 48px; }
  .tdst-page .tdst-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .tdst-page .tdst-hero__grid { grid-template-columns: minmax(0, 1fr); min-height: 0; padding-top: 56px; }
  .tdst-page .tdst-orbit { --size: min(520px, 86vw); justify-self: center; }
  .tdst-page .tdst-catalog__grid { grid-template-columns: minmax(0, 1fr); }
  .tdst-page .tdst-nav { position: sticky; top: 84px; z-index: 5; margin: 0 -40px; padding: 10px 40px; background: rgba(255, 255, 255, .96); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); border-bottom: 1px solid var(--tds-line); }
  .tdst-page .tdst-nav__list { display: flex; gap: 8px; overflow-x: auto; border-left: 0; scrollbar-width: none; }
  .tdst-page .tdst-nav__list::-webkit-scrollbar { display: none; }
  .tdst-page .tdst-nav__link { flex: 0 0 auto; padding: 8px 8px 8px 15px; border: 1px solid var(--tds-line2); border-radius: 999px; font-size: 14px; white-space: nowrap; }
  .tdst-page .tdst-nav__link::before { display: none; }
  .tdst-page .tdst-nav__link[aria-current="true"] { background: var(--tds-n950); border-color: var(--tds-n950); color: #FFFFFF; }
  .tdst-page .tdst-cat { scroll-margin-top: 170px; }
}
@media (max-width: 768px) {
  .tdst-page .tdst-orbit { --size: min(360px, 84vw); }
  .tdst-page .tdst-orbit__track--outer { --chip: 46px; }
  .tdst-page .tdst-orbit__track--inner { --chip: 40px; }
  .tdst-page .tdst-orbit__num { font-size: 36px; }
  .tdst-page .tdst-orbit__cap { font-size: 9px; }
  .tdst-page .tdst-nav { margin: 0 -20px; padding: 10px 20px; }
  .tdst-page .tdst-cat { padding-bottom: 44px; margin-bottom: 44px; }
  .tdst-page .tdst-cat__head { flex-wrap: wrap; gap: 6px 14px; }
  .tdst-page .tdst-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .tdst-page .tdst-tile { min-height: 126px; }
}
@media (prefers-reduced-motion: reduce) {
  .tdst-page .tdst-orbit__track, .tdst-page .tdst-orbit__chip img, .tdst-page .tdst-orbit__ring { animation: none; }
  .tdst-page .tdst-tile, .tdst-page .tdst-tile::after, .tdst-page .tdst-tile__logo img { transition: none; }
}