/* Trang dự án dạng "feature" — bố cục trình diễn, mỗi phần một ý: hero → ý tưởng → KV → hành trình → sân khấu → video → key moment.
   Màu nhấn lấy theo từng dự án qua --fx (đặt trên <main>). */
.fx{--fx:#e0263a;--fx2:#f3c65a}
.fx-hero{position:relative;padding-top:clamp(116px,15vh,160px);isolation:isolate}
.fx-hero::before{content:"";position:absolute;inset:0 0 30% 0;z-index:-1;pointer-events:none;
  background:radial-gradient(70% 70% at 78% 0%,color-mix(in srgb,var(--fx) 30%,transparent),transparent 70%)}
.fx-hero .crumbs{margin-bottom:18px}
.fx-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--bone);border:1px solid var(--line);border-radius:999px;padding:7px 13px;margin-bottom:20px}
.fx-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--fx2)}
.fx-hero h1{font-weight:800;letter-spacing:-.045em;line-height:.98;font-size:clamp(40px,7vw,96px);max-width:15ch;text-wrap:balance}
.fx-hero h1 .g{color:var(--fx2)}
.fx-hero .sub{color:var(--bone-dim);font-size:clamp(17px,2vw,21px);line-height:1.6;max-width:56ch;margin-top:20px}
.fx-hero-kv{margin-top:clamp(36px,5vw,60px);aspect-ratio:16/9;border-radius:18px;box-shadow:0 40px 120px -50px var(--fx)}

.fx-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line);margin-top:clamp(28px,4vw,44px)}
.fx-facts div{padding:clamp(18px,2.6vw,28px) clamp(14px,2vw,24px);border-right:1px solid var(--line-soft)}
.fx-facts div:last-child{border-right:none}
.fx-facts .k{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--bone-faint);margin-bottom:8px}
.fx-facts .v{font-weight:700;font-size:clamp(15px,1.6vw,18px);color:var(--bone);line-height:1.35}
@media(max-width:760px){.fx-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.fx-facts div:nth-child(2){border-right:none}.fx-facts div:nth-child(-n+2){border-bottom:1px solid var(--line-soft)}}

.fx-sec{padding:clamp(64px,9vw,120px) 0}
.fx-sec+.fx-sec{border-top:1px solid var(--line-soft)}
.fx-num{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--fx2);display:block;margin-bottom:16px}
.fx-h2{font-weight:800;letter-spacing:-.035em;line-height:1.04;font-size:clamp(30px,4.6vw,58px);max-width:17ch;text-wrap:balance}
.fx-h2 .g{color:var(--fx2)}
.fx-p{color:var(--bone-dim);font-size:clamp(16px,1.8vw,19px);line-height:1.7;max-width:58ch;margin-top:20px;text-wrap:pretty}
.fx-cap{color:var(--bone-faint);font-size:13.5px;line-height:1.5;margin-top:12px}
.fx-cap b{color:var(--bone-dim);font-weight:600}
.fx-img{border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--ink-raise)}
.fx-img img{width:100%;height:100%;object-fit:cover;display:block}

/* ý tưởng: 4 trụ */
.fx-pillars{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(10px,1.4vw,16px);margin-top:clamp(32px,4vw,52px);align-items:end}
.fx-pillar{border:1px solid var(--line);border-radius:14px 14px 4px 4px;padding:20px 18px;background:linear-gradient(180deg,var(--ink-raise),var(--ink));min-height:220px;display:flex;flex-direction:column}
.fx-pillar:nth-child(1){min-height:200px}.fx-pillar:nth-child(2){min-height:230px}.fx-pillar:nth-child(3){min-height:260px}
.fx-pillar .n{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--bone-faint)}
.fx-pillar b{display:block;margin-top:auto;font-weight:800;font-size:clamp(17px,1.8vw,22px);letter-spacing:-.02em;color:var(--bone)}
.fx-pillar span.d{display:block;margin-top:6px;color:var(--bone-dim);font-size:13.5px;line-height:1.45}
.fx-pillar.on{min-height:300px;border-color:var(--fx);background:linear-gradient(180deg,color-mix(in srgb,var(--fx) 38%,var(--ink-raise)),color-mix(in srgb,var(--fx) 12%,var(--ink)));box-shadow:0 30px 70px -40px var(--fx)}
.fx-pillar.on .n{color:var(--fx2)}
@media(max-width:760px){.fx-pillars{grid-template-columns:repeat(2,minmax(0,1fr))}.fx-pillar,.fx-pillar.on{min-height:150px!important}}
.fx-quote{margin-top:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-.03em;line-height:1.1;font-size:clamp(26px,3.8vw,48px);color:var(--fx2);max-width:22ch}

/* KV */
.fx-kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.8vw,20px);margin-top:clamp(28px,4vw,48px)}
.fx-kv .fx-img{aspect-ratio:16/9}
@media(max-width:760px){.fx-kv{grid-template-columns:1fr}}

/* hành trình */
.fx-journey{display:grid;grid-template-columns:.62fr 1.2fr 1.2fr;gap:clamp(12px,1.8vw,20px);margin-top:clamp(28px,4vw,48px);align-items:start}
.fx-journey .fx-img{aspect-ratio:auto}
.fx-journey .tall{aspect-ratio:456/873}
.fx-journey .wide{aspect-ratio:16/10}
.fx-step{display:block}
.fx-step .t{display:flex;gap:10px;align-items:baseline;margin-top:14px;font-weight:700;font-size:17px;color:var(--bone)}
.fx-step .t i{font-style:normal;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--fx2)}
.fx-step p{color:var(--bone-dim);font-size:14.5px;line-height:1.55;margin-top:6px;max-width:42ch}
@media(max-width:900px){.fx-journey{grid-template-columns:1fr 1fr}.fx-journey .fx-step:first-child{grid-row:span 2}}
@media(max-width:560px){.fx-journey{grid-template-columns:1fr}.fx-journey .tall{max-width:300px}}

/* sân khấu */
.fx-stage{margin-top:clamp(28px,4vw,48px);display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(12px,1.8vw,20px);align-items:end}
.fx-stage .main{aspect-ratio:1953/1108}
.fx-stage .side{aspect-ratio:16/9}
@media(max-width:820px){.fx-stage{grid-template-columns:1fr}}

/* video */
.fx-video{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(20px,3vw,40px);margin-top:clamp(28px,4vw,48px);align-items:start}
.fx-video .poster{aspect-ratio:846/1188;position:relative}
.fx-video .poster span{position:absolute;left:16px;bottom:16px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--bone);background:rgba(11,12,13,.6);padding:6px 10px;border-radius:6px}
.fx-scenes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.6vw,18px)}
.fx-scene .fx-img{aspect-ratio:16/9}
.fx-scene .tc{display:block;margin-top:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.15em;color:var(--fx2)}
.fx-scene b{display:block;margin-top:4px;font-size:15.5px;color:var(--bone)}
.fx-scene p{color:var(--bone-dim);font-size:13.5px;line-height:1.5;margin-top:4px}
@media(max-width:820px){.fx-video{grid-template-columns:1fr}.fx-video .poster{max-width:340px}}
@media(max-width:480px){.fx-scenes{grid-template-columns:1fr}}

/* key moment */
.fx-moment{position:relative;margin-top:clamp(28px,4vw,48px)}
.fx-moment .fx-img{aspect-ratio:2000/860;border-radius:16px}
.fx-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:clamp(18px,2.4vw,26px);counter-reset:s}
.fx-steps li{list-style:none;background:var(--ink);padding:20px;color:var(--bone-dim);font-size:15px;line-height:1.55}
.fx-steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--fx2);margin-bottom:10px}
.fx-steps li b{color:var(--bone)}
@media(max-width:760px){.fx-steps{grid-template-columns:1fr}}

.fx-deliv{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.fx-deliv span{font-size:13.5px;color:var(--bone);padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--chip)}