/* Torilab — Trang Research (page-research.php). Dùng chung home.css; file này chỉ thêm phần riêng của trang.
 * Concept: "đọc như một bài báo khoa học" — tối, tĩnh, chính xác, nhiều khoảng trống. Lime chỉ dùng cho điểm nhấn. */

.res-page h2 span{color:var(--lime)}

/* 1 · Hero — trường mũi tên (activation field) */
.rs-hero #rfield{position:absolute;inset:0;width:100%;height:100%;display:block}
.rs-hero .kick{background:rgba(255,255,255,.08);color:#fff}
.rs-hero .ctas{margin-top:32px}
.rs-stmt{margin-top:22px;display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:13px;letter-spacing:.12em}
.rs-stmt::before{content:"";width:28px;height:1px;background:var(--lime)}
.rs-cap{position:absolute;z-index:2;right:var(--pad);bottom:clamp(40px,8vh,96px);text-align:right}
.rs-cap figcaption{display:flex;flex-direction:column;gap:8px;color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.08em}
.rs-cap b{color:var(--lime);font-weight:500}
@media (min-width:721px){.rs-hero .lead{max-width:min(54ch,calc(100% - 380px))!important}}
@media (max-width:720px){.rs-hero h1 span{white-space:normal}.rs-cap{display:none}.rs-stmt{font-size:12px;letter-spacing:.08em}}

/* 2 · Featured research */
.rs-ft{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,96px);align-items:center}
.rs-ft h2{margin-top:24px}
.rs-ft .lead{margin-top:clamp(24px,2.4vw,36px);max-width:60ch}
.rs-dial{background:transparent;padding:0;display:flex;flex-direction:column;gap:18px}
.rs-dial svg{width:100%;height:auto;display:block}
.rs-svgt{font-family:var(--mono);font-size:13px;letter-spacing:.04em}
.rs-glow{filter:drop-shadow(0 0 8px rgba(204,255,102,.9))}
.rs-dial figcaption{display:flex;flex-direction:column;gap:14px}
.rs-dial figcaption .mono{color:var(--ink-3);font-size:12px}
.rs-dial input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer}
.rs-dial input[type=range]::-webkit-slider-runnable-track{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--lime) var(--p,22%),rgba(255,255,255,.18) var(--p,22%))}
.rs-dial input[type=range]::-moz-range-track{height:2px;border-radius:2px;background:rgba(255,255,255,.18)}
.rs-dial input[type=range]::-moz-range-progress{height:2px;background:var(--lime)}
.rs-dial input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;margin-top:-9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 6px rgba(204,255,102,.16)}
.rs-dial input[type=range]::-moz-range-thumb{width:20px;height:20px;border:0;border-radius:50%;background:var(--lime);box-shadow:0 0 0 6px rgba(204,255,102,.16)}
.rs-dial input[type=range]:focus-visible{outline:1px solid var(--lime);outline-offset:4px;border-radius:4px}

/* Method — 2 thẻ: Angular (lime) · Adaptive (tối) */
.rs-m{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2vw,24px);margin-top:clamp(56px,6vw,104px)}
.rs-mc{border-radius:var(--r);padding:clamp(28px,3vw,48px);display:flex;flex-direction:column;min-height:440px}
.rs-mc .rs-mi{width:100%;max-width:400px;height:auto;margin:0 auto clamp(28px,3vw,48px);display:block;overflow:visible}
.rs-mc .mono{margin-top:auto}
.rs-mc h3{font-size:clamp(26px,2.4vw,38px);letter-spacing:-.035em;line-height:1.05;margin:14px 0 16px}
.rs-mc p{line-height:1.6;max-width:52ch}
.rs-mc-a{background:var(--lime);color:var(--ink)}
.rs-mc-a .mono{color:rgba(13,20,14,.6)}
.rs-mc-a p{color:rgba(13,20,14,.78)}
.rs-mc-b{background:var(--card);border:1px solid var(--line)}
.rs-mc-b .mono{color:var(--ink-3)}
.rs-mc-b p{color:var(--ink-2)}
.rs-mi line{stroke-width:2;stroke-linecap:round}
.rs-mi .ar{fill:none;stroke-width:1.4}
.rs-mc-a .rs-mi line,.rs-mc-a .rs-mi .ar{stroke:rgba(13,20,14,.85)}
.rs-mc-a .rs-mi circle{fill:var(--ink)}
.rs-mc-b .rs-mi line,.rs-mc-b .rs-mi .ar{stroke:rgba(255,255,255,.3)}
.rs-mc-b .rs-mi circle{fill:rgba(255,255,255,.3)}
.rs-mc-b .rs-mi .on line{stroke:var(--lime)}
.rs-mc-b .rs-mi .on circle{fill:var(--lime)}
.rs-sel{transform-box:view-box;animation:rss 3.6s cubic-bezier(.6,0,.3,1) var(--d,0s) infinite alternate}
@keyframes rss{0%,15%{transform:rotate(0)}85%,100%{transform:rotate(-24deg)}}

/* Results + thông tin bài báo + link — gom trong 1 khối "bằng chứng", nối tiếp ngay 2 thẻ Method (cùng bo góc, cùng khoảng cách) */
.rs-proof{margin-top:clamp(16px,2vw,24px);background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(16px,1.8vw,24px)}
.rs-pf-top{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(24px,3.6vw,64px);align-items:center}
.rs-photo{position:relative;margin:0;border-radius:calc(var(--r) - 8px);overflow:hidden;aspect-ratio:16/10;background:#000}
.rs-photo picture{display:block;width:100%;height:100%}
.rs-photo img{width:100%;height:100%;object-fit:cover;display:block}
.rs-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,7,0) 55%,rgba(7,8,7,.65) 100%);pointer-events:none}
.rs-photo figcaption{position:absolute;z-index:1;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:99px;background:rgba(7,8,7,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#fff;font-size:12px}
.rs-photo figcaption i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(204,255,102,.2)}
.rs-res{display:flex;flex-direction:column;gap:18px;padding:clamp(8px,1.4vw,24px) clamp(4px,1.6vw,28px) clamp(8px,1.4vw,24px) 0}
.rs-res .mono{color:var(--lime)}
.rs-res p{font-size:clamp(18px,1.4vw,23px);line-height:1.5;letter-spacing:-.01em;color:rgba(255,255,255,.86);max-width:56ch}

/* Thông tin bài báo + 3 thẻ link (bên trong khối bằng chứng) */
.rs-paper{grid-template-columns:2.2fr 1.7fr 1fr;margin-top:clamp(16px,1.8vw,24px);gap:clamp(12px,1.4vw,16px)}
.rs-paper div{padding:20px 22px;background:var(--surf);border-radius:18px}
.rs-paper b{font-size:18px;line-height:1.35;letter-spacing:-.015em}
.rs-paper small{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--lime)}
.rs-lk{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(12px,1.4vw,16px);margin-top:clamp(12px,1.4vw,16px)}
.rs-lk a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px 16px;padding:22px 24px;border-radius:18px;background:transparent;border:1px solid rgba(255,255,255,.1);transition:border-color .35s,background .35s}
.rs-lk .mono{color:var(--ink-3);grid-column:1/-1}
.rs-lk .rs-go{margin-top:0;white-space:nowrap}
.rs-lk b{min-width:0;font-size:clamp(18px,1.4vw,21px);font-weight:600;letter-spacing:-.02em;line-height:1.3}
.rs-go{margin-top:auto;display:inline-flex;align-items:center;gap:10px;color:var(--lime);font-weight:500}
.rs-go i{font-style:normal;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--lime);color:var(--ink);transition:transform .35s}
.rs-lk a:hover{border-color:rgba(204,255,102,.45);background:var(--surf)}
.rs-lk a:hover .rs-go i{transform:translate(2px,-2px)}

/* 3 · Research agenda — nền trời sao (ima2) + accordion, theo option2 "Core Research & Deep Tech Stack" */
.rs-ag{border-radius:var(--r);padding:100px clamp(28px,5vw,88px);background:#0B0B0B url('../images/ima2.webp') center/cover no-repeat;color:#fff}
@media (max-width:720px){.rs-ag{padding:50px clamp(20px,5vw,40px)}}
/* Header: tiêu đề trái · mô tả phải (ngang hàng) */
.rs-ag-h{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,80px);align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.rs-ag-h .kick{background:rgba(255,255,255,.1);color:#fff;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.rs-ag-h h2{margin-top:24px}
.rs-ag-h .lead{color:rgba(255,255,255,.72)}
/* Danh sách 4 hướng: desktop mở hết, dạng hàng ngang (số · tiêu đề + trạng thái · mô tả) */
.rs-acc{border-top:1px solid rgba(255,255,255,.72)}
.rs-ai{border-bottom:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(16px,3vw,48px);padding:clamp(28px,3vw,40px) 0}
.rs-ai button{width:100%;display:grid;grid-template-columns:64px 1fr 44px;align-items:start;text-align:left;padding:0;gap:16px;background:none;border:0;color:inherit;font:inherit;cursor:default}
.rs-no{font-family:var(--mono);font-size:13px;color:rgba(255,255,255,.5);padding-top:6px}
.rs-tt{display:flex;flex-direction:column;align-items:flex-start;gap:14px;font-size:clamp(24px,2.3vw,38px);font-weight:600;letter-spacing:-.03em;line-height:1.05}
.rs-pm{display:none;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.18);position:relative;transition:.35s}
.rs-pm::before,.rs-pm::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:1.5px;background:#fff;transform:translate(-50%,-50%);transition:.35s}
.rs-pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.rs-ai.open .rs-pm{background:var(--lime);border-color:var(--lime)}
.rs-ai.open .rs-pm::before,.rs-ai.open .rs-pm::after{background:#0B0B0B}
.rs-ai.open .rs-pm::after{transform:translate(-50%,-50%) rotate(0)}
.rs-ai button{grid-template-columns:64px 1fr}
.rs-bd{display:block}
.rs-bd p{font-size:17px;line-height:1.6;color:rgba(255,255,255,.72);max-width:62ch;padding-top:34px}
.rs-flow{margin:32px 0 4px;position:relative;display:grid;grid-template-columns:repeat(5,1fr)}
.rs-flow::before{content:"";position:absolute;left:10%;right:10%;top:9px;height:1px;background:rgba(255,255,255,.28)}
.rs-pulse{position:absolute;top:6px;left:10%;width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 18px var(--lime);animation:rsrun 5s cubic-bezier(.6,0,.4,1) infinite}
@keyframes rsrun{0%{left:10%;opacity:0}8%{opacity:1}92%{opacity:1}100%{left:90%;opacity:0}}
@keyframes rsrunv{0%{top:9px;opacity:0}8%{opacity:1}92%{opacity:1}100%{top:calc(100% - 12px);opacity:0}}
.rs-node{text-align:center;position:relative}
.rs-node i{display:block;width:19px;height:19px;border:1px solid rgba(255,255,255,.72);border-radius:50%;margin:0 auto 16px;background:#0B0B0B}
.rs-node.hot i{border-color:var(--lime);background:var(--lime);box-shadow:0 0 0 8px rgba(204,255,102,.1)}
.rs-node .mono{color:#fff;font-size:12px;letter-spacing:.1em}
.rs-node.hot .mono{color:var(--lime)}
.rs-st{justify-self:end}
.rs-st{flex:none;display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 10px;border-radius:99px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.rs-st i{width:6px;height:6px;border-radius:50%;background:currentColor}
.rs-st.pub{background:rgba(204,255,102,.14);color:var(--lime)}
.rs-st.pub i{box-shadow:0 0 0 3px rgba(204,255,102,.18)}
.rs-st.res{border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.75)}
.rs-tt .rs-st{font-weight:400;letter-spacing:.06em}

/* 4 · Research principles */
.rs-pr{background:var(--card);border-radius:var(--r);padding:clamp(28px,5vw,88px)}
.rs-pr-h{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,80px);align-items:end}
.rs-pr-h h2{margin-top:24px}
.rs-pr-h .kick{background:var(--surf);color:#fff}
.rs-p3{display:grid;grid-template-columns:repeat(3,1fr);margin-top:clamp(48px,5vw,88px);border-top:1px solid var(--line)}
.rs-p3>div{padding:clamp(28px,3vw,44px) clamp(20px,2.4vw,40px) 0;border-left:1px solid var(--line);display:flex;flex-direction:column}
.rs-p3>div:first-child{border-left:0;padding-left:0}
.rs-p3 svg{width:128px;height:128px;margin-bottom:clamp(28px,3vw,44px);fill:none;stroke:rgba(255,255,255,.32);stroke-width:1.4}
.rs-p3 svg .l{stroke:var(--lime)}
.rs-p3 svg .f{fill:var(--lime);stroke:none}
.rs-p3 svg .f2{fill:rgba(255,255,255,.5);stroke:none}
.rs-p3 .mono{color:var(--lime)}
.rs-p3 h3{font-size:clamp(22px,1.8vw,28px);letter-spacing:-.03em;line-height:1.12;margin:14px 0 14px;max-width:16ch}
.rs-p3 p{color:var(--ink-2);line-height:1.6;max-width:36ch}

/* Principles — icon động */
.rs-p3 svg *{transform-box:fill-box;transform-origin:center}
.ic1 .rp{vector-effect:non-scaling-stroke;animation:rsrip 3s cubic-bezier(.2,.6,.3,1) infinite}
.ic1 .rp2{animation-delay:1.5s}
@keyframes rsrip{0%{transform:scale(1);opacity:.9}100%{transform:scale(3.25);opacity:0}}
.rs-p3 .pc{animation:rspc 3s ease-in-out infinite}
@keyframes rspc{0%,100%{transform:scale(1)}50%{transform:scale(1.5)}}
.ic2 .ln{stroke-dasharray:100;animation:rsln 4s cubic-bezier(.6,0,.3,1) infinite}
@keyframes rsln{0%{stroke-dashoffset:100}45%,85%{stroke-dashoffset:0}100%{stroke-dashoffset:-100}}
.ic2 .dt{opacity:0;animation:rsdt 4s ease-out infinite;animation-delay:calc(var(--i) * .22s)}
@keyframes rsdt{0%{opacity:0;transform:scale(.2)}12%{opacity:1;transform:scale(1)}80%{opacity:1}100%{opacity:0}}
.ic3 .tr{transform-box:view-box;transform-origin:0 0;animation:rstr 3.2s cubic-bezier(.6,0,.3,1) infinite}
@keyframes rstr{0%,10%{transform:translateX(0);opacity:0}20%{opacity:1}60%{transform:translateX(76px);opacity:1}70%,100%{transform:translateX(76px);opacity:0}}
.ic3 .bx{animation:rsbx 3.2s ease-in-out infinite}
@keyframes rsbx{0%,55%{fill:transparent;stroke:rgba(255,255,255,.32)}65%,85%{fill:rgba(204,255,102,.18);stroke:var(--lime)}100%{fill:transparent;stroke:rgba(255,255,255,.32)}}
@media (prefers-reduced-motion:reduce){.rs-p3 svg *{animation:none!important}.ic2 .dt{opacity:1}}

/* 5 · Collaboration — thẻ lime + quả cầu (dùng lại .pt4 / #ptCv của trang chủ) */
.rs-co{row-gap:clamp(20px,2.6vw,48px)}
@media (min-width:1101px){.rs-co{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}}
.rs-co .pt-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:clamp(8px,1.4vw,20px)}
.rs-co .rs-car{color:var(--ink)!important;border-color:rgba(13,20,14,.45)!important}
.rs-co .rs-car:hover{color:#000!important;border-color:#000!important}
.rs-co .rs-car i{background:var(--ink);color:var(--lime)}

/* Responsive */
@media (max-width:1100px){
  .rs-ft,.rs-pr-h{grid-template-columns:1fr}
  .rs-dial{max-width:560px;order:-1}
  .rs-m{grid-template-columns:1fr}
  .rs-mc{min-height:0}
  .rs-pf-top{grid-template-columns:1fr}
  .rs-res{padding:4px 8px 8px}
  .rs-paper{grid-template-columns:1fr}
  .rs-lk{grid-template-columns:1fr}
  .rs-lk a{min-height:0}
  .rs-ag-h{grid-template-columns:1fr}
    .rs-p3{grid-template-columns:1fr;border-top:0}
  .rs-p3>div{border-left:0;padding:clamp(28px,4vw,40px) 0;border-top:1px solid var(--line)}
}
@media (max-width:720px){
  /* mobile: accordion +/− */
  .rs-ai{display:block;padding:0}
  .rs-ai button{grid-template-columns:40px minmax(0,1fr) 44px;align-items:center;padding:28px 0;cursor:pointer}
  .rs-tt{min-width:0;overflow-wrap:anywhere}.rs-st{max-width:100%;white-space:normal;height:auto;min-height:26px}
  .rs-no{padding-top:0}
  .rs-pm{display:block}
  .rs-bd{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s cubic-bezier(.2,.7,.2,1)}
  .rs-ai.open .rs-bd{grid-template-rows:1fr}
  .rs-bd>div{overflow:hidden}
  .rs-bd p{padding:0 0 28px 56px;font-size:16px}
  .rs-flow{grid-template-columns:1fr;gap:18px;margin:0 0 32px 56px}
  .rs-node{display:flex;align-items:center;gap:14px;text-align:left}.rs-node i{margin:0;flex:none}
  .rs-flow::before{left:9px;right:auto;top:9px;bottom:9px;width:1px;height:auto}
  .rs-pulse{left:6px;top:9px;animation:rsrunv 5s cubic-bezier(.6,0,.4,1) infinite}
  .rs-p3>div{display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-items:center}
  .rs-p3 svg{width:72px;height:72px;margin-bottom:0}
  .rs-p3 h3{margin:0;max-width:none}
  .rs-p3 p{grid-column:1/-1;margin-top:16px;max-width:none}
  .rs-photo{aspect-ratio:4/5}.rs-photo img{object-position:50% 0}
  .rs-co{padding-bottom:64px}
}
@media (max-width:380px){.res-page .lead{font-size:16px!important}}
@media (prefers-reduced-motion:reduce){.rs-sel{animation:none;transform:rotate(-24deg)}.rs-pulse{animation:none;display:none}}
@media (max-width:720px){.rs-lk a{grid-template-columns:1fr}.rs-lk .rs-go{white-space:normal}}