/* ==========================================================================
   DotnDot Services page — sections that only this page uses.
   Shares tokens, header, buttons, cards and footer with site.css, and the
   page hero, particle pictures and dark band with inner.css.
   ========================================================================== */

/* ===== 1. Overview: copy + full-spectrum ecosystem chart ===== */
#overview{padding-top:clamp(32px,3.4vw,50px)}           /* same gap under the stats strip as the homepage */
.ov{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,5vw,72px);align-items:center}
.ov .lead{max-width:600px}
.ov .lead+.lead{margin-top:12px}
.ov-points{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
.ov-points li{display:flex;align-items:center;gap:12px;font:500 15px/1.4 Poppins,sans-serif;color:var(--ink)}
.ov-points li:nth-child(2) .chk{background:var(--red)}
.ov .btn{margin-top:28px}

.eco{position:relative;justify-self:center;width:min(540px,100%);aspect-ratio:1}
.eco-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.eco-ring{fill:none;stroke:#D5DFEA;stroke-width:.35;stroke-dasharray:1 1.6}
.eco-ring.r2{stroke:#E4EBF3;stroke-dasharray:none}
.eco-orbit{transform-origin:50px 50px;animation:spinR 40s linear infinite}
.eco-spoke{stroke:#C9D6E4;stroke-width:.4;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.4s var(--ease) var(--d,0s),stroke .3s,stroke-width .3s}
.eco.in .eco-spoke{stroke-dashoffset:0}
.eco-spoke.hot{stroke:var(--red);stroke-width:.7}
.eco-hub{position:absolute;left:50%;top:50%;width:26%;aspect-ratio:1;translate:-50% -50%;border-radius:50%;padding:3px;
  background:conic-gradient(from var(--ang),#DA251E,#2672AC 25%,#DA251E 50%,#2672AC 75%,#DA251E);animation:coverSpin 6s linear infinite;
  box-shadow:0 30px 50px -22px rgba(10,13,49,.55)}
.eco-hub>span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;height:100%;border-radius:50%;text-align:center;color:#fff;
  background:radial-gradient(circle at 35% 30%,#1F4F86,#0A0D31 70%)}
.eco-hub b{font:700 clamp(14px,1.6vw,21px)/1 Poppins,sans-serif;letter-spacing:-.01em}
.eco-hub small{font:600 9.5px/1.2 Poppins,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#9FB4C9}
.eco-hub .dnd i:first-child{background:#5FA2D6}
.eco-node{position:absolute;left:var(--x);top:var(--y);translate:-50% -36px;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;
  opacity:0;scale:.6;transition:opacity .6s var(--ease) var(--d,0s),scale .7s var(--ease) var(--d,0s)}
.eco-node.up{flex-direction:column-reverse;translate:-50% calc(-100% + 36px)}   /* icon centre stays on the ring */
.eco.in .eco-node{opacity:1;scale:1}
.eco-ico{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);border:2px solid var(--blue);
  box-shadow:0 18px 34px -20px rgba(10,13,49,.45);transition:background .35s,color .35s,border-color .35s,transform .5s var(--ease)}
.eco-ico .ic{width:30px;height:30px}
.eco-node:nth-of-type(even) .eco-ico{border-color:var(--red);color:var(--red)}
.eco-lb{padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);white-space:nowrap;
  font:600 13px/1.2 Poppins,sans-serif;color:var(--navy);box-shadow:0 10px 20px -16px rgba(10,13,49,.5);transition:color .3s,border-color .3s}
.eco-node:hover .eco-ico,.eco-node:focus-visible .eco-ico{background:var(--red);border-color:var(--red);color:#fff;transform:translateY(-4px)}
.eco-node:hover .eco-lb{color:var(--red);border-color:rgba(218,37,30,.4)}

/* ===== 2. All services: sticky illustration on the left, service cards on the right ===== */
#all-services{overflow:clip}                 /* .sec clips with overflow:hidden, which would switch off position:sticky */
.sv{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(30px,4.5vw,64px);align-items:start}
.sv-stage{position:sticky;top:100px}
.sv-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:0 50px 90px -60px rgba(10,13,49,.55)}
.sv-bar{display:flex;align-items:center;gap:14px;height:52px;padding:0 20px;border-bottom:1px solid var(--line);background:#F7FAFD}
.sv-name{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font:600 13px/1 Poppins,sans-serif;color:var(--navy)}
.sv-name b{color:var(--blue);font-weight:600}
.sv-arts{aspect-ratio:16/11}
.sv-nav{display:flex;justify-content:center;gap:8px;padding:18px 20px 20px;border-top:1px solid var(--line)}
.sv-nav button{width:10px;height:10px;border-radius:999px;background:#D5DFEA;transition:width .5s var(--ease),background .3s}
.sv-nav button:hover{background:var(--blue)}
.sv-nav button.on{width:34px;background:var(--red)}

.sv-list{display:grid;gap:20px}
.sv-item{position:relative;padding:28px 30px 26px;border-radius:24px;background:#fff;border:1.5px solid var(--line);scroll-margin-top:110px;
  transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease),border-color .4s,box-shadow .5s}
.sv-item:hover{border-color:rgba(38,114,172,.4)}
.sv-item.on{border-color:transparent;box-shadow:0 36px 64px -44px rgba(38,114,172,.65);
  background:linear-gradient(#fff,#fff) padding-box,conic-gradient(from var(--ang),#DA251E,#2672AC 25%,#DA251E 50%,#2672AC 75%,#DA251E) border-box;
  animation:coverSpin 6s linear infinite}
.sv-art-m{display:none}
.sv-top{display:flex;align-items:center;gap:16px}
.sv-ico{flex:none;position:relative;width:54px;height:54px;border-radius:16px;display:grid;place-items:center;color:var(--blue);background:var(--tint);
  transition:background .4s,color .4s,transform .5s var(--ease)}
.sv-ico .ic{width:25px;height:25px}
.sv-ico::after{content:"";position:absolute;right:-4px;top:-4px;width:12px;height:12px;border-radius:50%;background:var(--red);border:2.5px solid #fff;scale:0;transition:scale .4s var(--ease)}
.sv-item.on .sv-ico{color:#fff;background:linear-gradient(135deg,#3C8BC8,var(--blue))}
.sv-item.on .sv-ico::after{scale:1}
.sv-item h3{font:600 clamp(20px,1.7vw,24px)/1.25 Poppins,sans-serif;color:var(--navy)}
.sv-item>p{margin-top:14px;font:400 15px/1.7 Poppins,sans-serif;color:var(--muted)}
.sv-inc{display:flex;align-items:center;gap:10px;margin:20px 0 12px;font:600 11px/1 Poppins,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
.sv-inc::after{content:"";flex:1;height:1px;background:var(--line)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:999px;background:#F5F8FC;border:1px solid #E6ECF3;
  font:600 13px/1.2 Poppins,sans-serif;color:var(--navy);transition:background .3s,border-color .3s,color .3s}
.chips li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.chips li:nth-child(even)::before{background:var(--red)}
.chips li:hover{background:#fff;border-color:rgba(38,114,172,.4);color:var(--blue)}
.sv-item .more{margin-top:22px}

/* AI solutions row under the list */
.ai-row{display:flex;align-items:center;justify-content:space-between;gap:18px 26px;flex-wrap:wrap;margin-top:clamp(36px,4vw,52px);padding:20px 22px 20px 28px;
  border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 30px 60px -50px rgba(10,13,49,.5)}
.ai-row b{display:flex;align-items:center;gap:12px;font:600 17px/1.3 Poppins,sans-serif;color:var(--navy)}
.ai-links{display:flex;flex-wrap:wrap;gap:10px}
.ai-links a{display:inline-flex;align-items:center;gap:9px;height:44px;padding:0 16px 0 8px;border-radius:999px;border:1.5px solid var(--line);
  font:600 13.5px/1 Poppins,sans-serif;color:var(--navy);transition:border-color .3s,color .3s,transform .4s var(--ease)}
.ai-links a span{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:var(--blue);background:var(--tint);transition:background .3s,color .3s}
.ai-links .ic{width:15px;height:15px}
.ai-links a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.ai-links a:hover span{background:var(--blue);color:#fff}

/* ===== 3. Why choose: dark band with benefit cards and a growth chart ===== */
.why-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(30px,5vw,72px);align-items:center}
.why-copy .btn{margin-top:26px}
.why-chart{position:relative;margin-top:30px;padding:18px 20px 14px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.wc-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 12px;font:600 14px/1.2 Poppins,sans-serif;color:#fff}
.wc-chip{display:inline-flex;white-space:nowrap;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;background:rgba(95,162,214,.14);font:600 11.5px/1 Poppins,sans-serif;color:#8EC3EE}
.wc-chip i{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 3px rgba(218,37,30,.25)}
.why-chart svg{display:block;width:100%;height:auto;margin-top:12px;overflow:visible}
.wc-grid{stroke:rgba(255,255,255,.08);stroke-width:1}
.wc-bar{fill:rgba(255,255,255,.07);transform-box:fill-box;transform-origin:50% 100%;transform:scaleY(0);transition:transform 1s var(--ease) var(--d,0s)}
.wc-line{fill:none;stroke:url(#wcStroke);stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2s var(--ease) .3s}
.wc-area{fill:url(#wcFill);opacity:0;transition:opacity 1.2s var(--ease) 1s}
.wc-end{opacity:0;transition:opacity .4s 2s}
.wc-end .ring{transform-box:fill-box;transform-origin:center;animation:pulseR 2.2s ease-out infinite}
.why-chart.in .wc-bar{transform:none}
.why-chart.in .wc-line{stroke-dashoffset:0}
.why-chart.in .wc-area,.why-chart.in .wc-end{opacity:1}
.why-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.wcard{position:relative;overflow:hidden;padding:26px 24px 24px;border-radius:22px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  transition:opacity .9s var(--ease) var(--d,0s),transform .6s var(--ease),border-color .4s,background .4s}
.wcard::before{content:"";position:absolute;right:-60px;top:-60px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(38,114,172,.35),transparent 70%);opacity:0;transition:opacity .5s}
.wcard:hover{transform:translateY(-6px);border-color:rgba(95,162,214,.45);background:rgba(255,255,255,.06)}
.wcard:hover::before{opacity:1}
.wcard .f-ico::after{border-color:#070A26}
.wcard h3{position:relative;margin-top:20px;font:600 18px/1.3 Poppins,sans-serif;color:#fff}
.wcard p{position:relative;margin-top:10px;font:400 14.5px/1.65 Poppins,sans-serif;color:#AEB8CC}
.wcard:nth-child(2) .f-ico,.wcard:nth-child(3) .f-ico{background:linear-gradient(135deg,#EC5045,var(--red));box-shadow:0 14px 26px -14px rgba(218,37,30,.8)}
.wcard:nth-child(2) .f-ico::after,.wcard:nth-child(3) .f-ico::after{background:var(--blue)}

/* ===== responsive ===== */
@media (max-width:1100px){
  .why-grid{grid-template-columns:1fr}
  .why-copy{max-width:760px}
}
@media (max-width:900px){
  .ov{grid-template-columns:1fr}
  .eco{width:min(480px,100%)}
  .sv{grid-template-columns:1fr}
  .sv-stage{display:none}
  .sv-art-m{display:block;aspect-ratio:16/11;margin:-6px -8px 20px;border-radius:16px}
}
@media (max-width:560px){
  .eco-ico{width:46px;height:46px}
  .eco-ico .ic{width:20px;height:20px}
  .eco-node{translate:-50% -23px;gap:6px}
  .eco-node.up{translate:-50% calc(-100% + 23px)}
  .eco-lb{padding:4px 8px;font-size:11px}
  .eco-hub{width:24%}
  .eco-hub small{display:none}
  .eco-hub>span{gap:4px}
  .sv-item{padding:22px 18px 20px}
  .sv-art-m{margin:-4px -2px 18px}
  .chips li{font-size:12.5px;padding:7px 11px}
  .ai-row{padding:20px}
  .ai-links a{flex:1 1 calc(50% - 10px);min-width:0;gap:7px;padding:0 10px 0 6px;font-size:12px}
  .ai-links a span{width:28px;height:28px}
  .why-cards{grid-template-columns:1fr}
}