/* Services carousel: scoped to the existing services section. */
#services .wrap{width:min(1440px,92%)}
#services .service-slider{position:relative;isolation:isolate;height:640px;overflow:hidden;border-radius:28px;background:#07182d;color:#f5f9fd;box-shadow:0 24px 65px #07182d24;touch-action:pan-y}
#services .service-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .75s ease,visibility .75s;pointer-events:none}
#services .service-slide.is-active{opacity:1;visibility:visible;pointer-events:auto;z-index:1}
#services .service-scene{position:absolute;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 6s ease}
#services .is-active .service-scene{transform:scale(1)}
#services .service-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#07182df5 0%,#07182dc7 35%,#07182d18 74%),linear-gradient(0deg,#07182df5,transparent 65%)}
#services .service-copy{position:absolute;z-index:2;left:6%;top:50%;width:43%;transform:translateY(-45%)}
#services .service-copy>*{opacity:0;translate:0 20px;transition:opacity .55s ease .12s,translate .55s ease .12s}
#services .is-active .service-copy>*{opacity:1;translate:0 0}
#services .service-kicker{color:#3edbe8;text-transform:uppercase;letter-spacing:.2em;font-size:.65rem;font-weight:700;margin-bottom:24px}
#services .service-copy h3{font-size:clamp(2.4rem,4.7vw,4.9rem);line-height:1.02;letter-spacing:-.055em;max-width:600px;margin-bottom:24px;font-weight:750;text-wrap:balance}
#services .service-description{font-size:1.05rem;line-height:1.75;color:#d0dfeb;max-width:400px;transition-delay:.2s}
#services .service-link{display:inline-flex;align-items:center;gap:36px;margin-top:28px;padding:10px 0;border-bottom:1px solid #3edbe8;color:#f5f9fd;font-weight:600;transition-delay:.25s}
#services .service-link span{font-size:1.5rem;color:#3edbe8}
#services .service-previews{position:absolute;z-index:3;right:4%;top:29%;width:42%;height:310px;perspective:1000px}
#services .service-preview{position:absolute;top:0;left:0;width:61%;height:100%;padding:0;overflow:hidden;border-radius:18px;border:2px solid #82d6e8aa;background:#10324c;text-align:left;color:#f5f9fd;cursor:pointer;box-shadow:0 5px 0 #082337,0 8px 0 #041522,0 22px 35px #0007;transition:transform .65s cubic-bezier(.22,.7,.3,1),opacity .5s,filter .5s,box-shadow .65s,border-color .65s;transform:translateX(0);z-index:3;font:inherit}
#services .service-preview::before{content:"";position:absolute;inset:0;z-index:2;border-radius:inherit;pointer-events:none;box-shadow:inset 0 3px 2px #d7fbffb3,inset 3px 0 2px #8fe8fa80,inset -3px -4px 3px #000a}
#services .service-preview[data-position="0"]{border-color:#8ceafae6;box-shadow:0 6px 0 #1a536d,0 10px 0 #041522,0 26px 42px #000a,0 0 26px #3edbe833}
#services .service-preview[data-position="0"]:hover{border-color:#b7f6ff;box-shadow:0 5px 0 #18516a,0 8px 0 #041522,0 26px 44px #0009,0 0 28px #3edbe833}
#services .service-preview[data-position="1"]{transform:translate(57%,18px) scale(.88);z-index:2;filter:brightness(.75)}
#services .service-preview[data-position="2"]{transform:translate(102%,35px) scale(.76);z-index:1;filter:brightness(.55)}
#services .service-preview img{width:100%;height:100%;object-fit:cover;object-position:76% center;transition:scale .5s}
#services .service-preview[hidden]{display:none}
#services .service-preview:hover img{scale:1.05}
#services .service-preview::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#07182dfa,transparent 85%)}
#services .service-preview>span{position:absolute;bottom:25px;left:20px;right:20px;z-index:1}
#services .service-preview small{display:block;color:#3edbe8;font-size:.6rem;letter-spacing:.15em;margin-bottom:10px}
#services .service-preview strong{display:block;font-size:1.1rem;line-height:1.2;max-width:150px}
#services .service-preview i{position:absolute;right:15px;top:12px;z-index:1;font-style:normal;color:#3edbe8}
#services .service-footer{position:absolute;z-index:4;bottom:36px;left:6%;right:6%;display:flex;align-items:center;gap:24px}
#services .service-arrows{display:flex;gap:10px}
#services .service-arrows button{width:48px;height:48px;border-radius:50%;border:1px solid #f5f9fd55;background:#07182d66;color:#f5f9fd;font-size:1.4rem;cursor:pointer;transition:background .2s}
#services .service-arrows button:hover{background:#087ef5}
#services .service-counter{font-size:.9rem;white-space:nowrap;font-variant-numeric:tabular-nums}.service-counter b{font-size:1.4rem}.service-counter>span{color:#a8becf}
#services .service-progress{display:flex;gap:7px;flex:1;max-width:270px}
#services .service-progress button{position:relative;flex:1;min-width:20px;height:44px;border:0;background:transparent;cursor:pointer}
#services .service-progress button::before,#services .service-progress button span{content:"";position:absolute;left:0;right:0;top:21px;height:3px;background:#f5f9fd40;border-radius:3px}
#services .service-progress button span{background:#3edbe8;transform:scaleX(0);transform-origin:left;transition:transform .5s}
#services .service-progress button[aria-current="true"] span{transform:scaleX(1)}
#services .service-caption{margin-left:auto;font-size:.6rem;color:#a3b9c9;letter-spacing:.12em;text-transform:uppercase}
#services :is(button,a,.service-slider):focus-visible{outline:3px solid #3edbe8;outline-offset:5px}
#services .service-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:1000px){#services .service-slider{height:590px}#services .service-copy{width:46%}#services .service-previews{right:3%;width:40%;height:265px;top:31%}#services .service-preview{width:74%}#services .service-preview[data-position="1"]{transform:translate(42%,18px) scale(.86)}#services .service-preview[data-position="2"]{opacity:0;visibility:hidden;pointer-events:none}#services .service-caption{display:none}}
@media(max-width:650px){#services .service-slider{height:780px;border-radius:20px}#services .service-scene{object-position:72% center}#services .service-slide::after{background:linear-gradient(0deg,#07182d 0%,#07182df5 30%,#07182d88 62%,#07182d22 100%)}#services .service-copy{left:7%;right:7%;width:auto;top:auto;bottom:236px;transform:none}#services .service-copy h3{font-size:clamp(2.3rem,10vw,3.5rem);max-width:400px;margin-bottom:18px}#services .service-kicker{margin-bottom:16px;font-size:.58rem}#services .service-description{font-size:.96rem;line-height:1.6}#services .service-link{margin-top:16px;padding-block:6px}#services .service-previews{left:7%;right:7%;top:auto;bottom:105px;width:auto;height:105px;display:flex;gap:10px;perspective:none}#services .service-preview,#services .service-preview[data-position="1"],#services .service-preview[data-position="2"]{position:relative;inset:auto;transform:none;flex:1;width:0;height:105px;filter:none;border-radius:10px;opacity:1;visibility:visible;pointer-events:auto}#services .service-preview>span{left:9px;right:6px;bottom:9px}#services .service-preview strong{font-size:.72rem}#services .service-preview small,#services .service-preview i{display:none}#services .service-footer{left:7%;right:7%;bottom:27px;gap:13px}#services .service-arrows button{width:44px;height:44px}#services .service-counter{font-size:.72rem}#services .service-counter b{font-size:1rem}#services .service-progress{gap:4px}#services .service-progress button{min-width:12px}}
@media(prefers-reduced-motion:reduce){#services .service-slider *{animation:none!important;transition:none!important}#services .service-scene{transform:none}}
/* Keep the marked service headings on one line on larger screens. */
@media(min-width:651px){
  #services .service-copy h3{white-space:nowrap;text-wrap:nowrap;max-width:none;font-size:clamp(1.8rem,3.5vw,3.5rem)}
  #services .service-preview strong{white-space:nowrap;max-width:none;font-size:1rem}
}
/* Why Gammatech reference layout */
#why{background:radial-gradient(ellipse at 65% 50%,#073568,transparent 60%),#031b40;overflow:hidden;padding-block:100px}
#why .why{width:min(1440px,90%);display:grid;grid-template-columns:.85fr 2.4fr;gap:40px;align-items:center}
#why h2{font-size:clamp(2rem,3.3vw,3.3rem);font-weight:800;letter-spacing:-.035em}
.why-rule{display:block;width:76px;height:5px;background:#26eeef;margin:28px 0}
.why-network{position:relative;min-height:480px;min-width:0;display:grid;align-items:center}
.why-atom{position:absolute;width:62%;left:19%;top:50%;transform:translateY(-50%);pointer-events:none}
.why-atom svg{display:block;width:100%;overflow:visible;filter:drop-shadow(0 0 12px #00b9ef66)}
.why-perimeter{fill:none;stroke:#00b9ed;stroke-width:2.5;stroke-dasharray:1 11;stroke-linecap:round;animation:why-spin 100s linear infinite}
.why-orbits{animation:why-spin 40s linear infinite}.why-orbit{fill:none;stroke:#15dff5;stroke-width:3}.why-electron{fill:#bfffff;filter:drop-shadow(0 0 8px #00eaff)}
#why .why-list{position:relative;z-index:1;list-style:none;display:grid;grid-template-columns:1fr 1fr;column-gap:29%;row-gap:128px;padding:24px 0}
#why .why-card{position:relative;display:flex;align-items:center;gap:16px;min-width:0;padding:23px 20px;border:1px solid #13cce9;border-radius:30px;background:linear-gradient(135deg,#104773,#031b40 65%);box-shadow:inset 0 0 22px #00b9ec22;transition:transform .3s,box-shadow .3s}
#why .why-card:hover{transform:translateY(-5px);box-shadow:0 0 25px #00cfee33}
.why-card::after{content:"";position:absolute;width:10px;height:10px;right:-5px;top:50%;border-radius:50%;background:#a8ffff;box-shadow:0 0 15px 4px #00ceff}.why-card:nth-child(even)::after{right:auto;left:-5px}
.why-icon{flex:none;display:grid;place-items:center;width:54px;height:65px;border-radius:18px;background:linear-gradient(145deg,#12618b,#08294f);color:#22e7f4}.why-icon svg{width:42px;height:42px;fill:none;stroke:currentColor;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.why-card>div{border-left:1px solid #26b7dc55;padding-left:16px;min-width:0}.why-list h3{line-height:1.2;font-size:clamp(1rem,1.5vw,1.35rem);margin-bottom:10px}.why-list p{color:#c5d6f5;font-size:clamp(.8rem,1vw,.98rem);line-height:1.45}
@keyframes why-spin{to{transform:rotate(360deg)}}
@media(max-width:1150px){#why .why{grid-template-columns:1fr;gap:30px}#why .sub{max-width:570px}.why-network{min-height:460px}#why .why-list{column-gap:30%}}
@media(max-width:650px){#why{padding-block:64px}#why .why{gap:8px}#why h2{font-size:2.25rem}#why h2 br{display:none}.why-network{padding-top:250px;min-height:0}.why-atom{width:280px;max-width:90%;top:0;left:50%;transform:translateX(-50%)}#why .why-list{grid-template-columns:1fr;gap:16px;padding:20px 0 0}#why .why-card{padding:20px;border-radius:22px}.why-list h3{font-size:1.1rem}.why-list p{font-size:.93rem}.why-card::after,.why-card:nth-child(even)::after{left:auto;right:16px;top:16px;width:6px;height:6px}}
@media(prefers-reduced-motion:reduce){.why-perimeter,.why-orbits{animation:none}.why-electron{display:none}}
:root{
  --navy:#06143a; --navy2:#0b2a6b; --blue:#1e7cff; --cyan:#5df2ff; --gold:#ffc400;
  --ink:#0d1b3d; --muted:#5b6b8c; --bg:#f5f9ff; --card:#ffffff;
  --radius:18px; --shadow:0 10px 30px rgba(6,20,58,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1140px,92%);margin-inline:auto}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:10px 4%;background:rgba(6,20,58,.78);backdrop-filter:blur(12px);border-bottom:1px solid rgba(93,242,255,.15)}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-logo{height:40px;width:auto;object-fit:contain;border-radius:50%/60%}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:1.25rem;letter-spacing:.5px}
.brand-text small{font-size:.72rem;color:var(--cyan)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:#dbe8ff;font-weight:500;font-size:.95rem;transition:color .2s}
.nav a:hover{color:var(--cyan)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;transition:.3s}

/* buttons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--blue),#0a5be0);color:#fff;padding:13px 28px;border-radius:999px;font-weight:600;border:0;cursor:pointer;font-size:1rem;box-shadow:0 8px 24px rgba(30,124,255,.35);transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(30,124,255,.5)}
.btn-small{padding:8px 20px;font-size:.9rem}
.btn-ghost{background:transparent;border:2px solid var(--cyan);color:var(--cyan);box-shadow:none}
.btn-ghost:hover{background:rgba(93,242,255,.12)}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;color:#fff;padding:120px 0 0;
  background:radial-gradient(1000px 600px at 80% 40%,#0f4bb8 0%,transparent 60%),linear-gradient(160deg,#050d29 0%,#0a2260 100%)}
#rays{position:absolute;inset:0;width:100%;height:100%}
.hero-inner{position:relative;z-index:2;width:min(1140px,92%);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;flex:1}
.eyebrow{color:var(--cyan);text-transform:uppercase;letter-spacing:3px;font-size:.8rem;font-weight:700;margin-bottom:12px}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.15;margin-bottom:20px}
.grad{background:linear-gradient(90deg,var(--cyan),#8fb8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:#c5d6f5;font-size:1.1rem;max-width:560px;margin-bottom:30px}
.cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-art{display:grid;place-items:center;animation:float 7s ease-in-out infinite}
.orbits{width:min(100%,520px);height:auto;overflow:visible;filter:drop-shadow(0 0 30px rgba(30,124,255,.5))}
.ring ellipse{filter:drop-shadow(0 0 6px rgba(93,242,255,.8))}
.glow{filter:drop-shadow(0 0 8px #5df2ff) drop-shadow(0 0 16px #5df2ff)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

.hero-stats{position:relative;z-index:2;width:min(1140px,92%);margin:30px auto 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.hero-stats div{background:rgba(255,255,255,.06);border:1px solid rgba(93,242,255,.2);border-radius:14px;padding:16px 18px;backdrop-filter:blur(6px)}
.hero-stats strong{font-size:2rem;color:var(--cyan);margin-right:2px}
.hero-stats span{color:#c5d6f5;font-size:.92rem}

/* sections */
.section{padding:96px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section h2{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.2;margin-bottom:12px}
.sub{color:var(--muted);font-size:1.05rem}
.section-head .eyebrow,.section .eyebrow{color:var(--blue)}
.section-dark{background:linear-gradient(160deg,#06143a,#0b2a6b);color:#fff}
.section-dark .eyebrow{color:var(--cyan)}
.section-dark .sub{color:#c5d6f5}
.section-soft{background:var(--bg)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s;border:1px solid #e6eefb}
.card:hover{transform:translateY(-10px);box-shadow:0 22px 44px rgba(11,42,107,.22)}
.card-img{overflow:hidden;aspect-ratio:400/260;background:#06143a}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-img img{transform:scale(1.1) rotate(.6deg)}
.card-body{padding:24px 24px 28px}
.card h3{font-size:1.25rem;margin-bottom:8px;color:var(--navy2)}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:14px}
.more{color:var(--blue);font-weight:600;display:inline-block;transition:transform .25s}
.card:hover .more{transform:translateX(6px)}

/* ===== 01 ABOUT (creative) ===== */
.about-sec{padding-top:110px;overflow:hidden}
.sec-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:56px;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700}
.sec-no{color:var(--blue)}.sec-tag{color:#8a98b4;font-weight:600}
.about2{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.about-visual{position:relative;max-width:470px;margin-left:38px;padding-bottom:34px}
.frame-line{position:absolute;inset:36px -34px -24px 34px;border:1px solid rgba(30,124,255,.45);border-radius:6px;z-index:0}
.photo-frame{position:relative;z-index:1;border-radius:8px;overflow:hidden;box-shadow:0 30px 60px rgba(11,42,107,.25);background:#dfe8f5}
.photo-frame img{width:100%;aspect-ratio:626/722;object-fit:cover;transform:scale(1.12);transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.photo-frame:hover img{transform:scale(1.2)}
.photo-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(6,20,58,.65))}
.loc{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;display:flex;align-items:center;gap:8px}
.loc i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.vis-cap{position:absolute;left:0;bottom:0;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:#8a98b4}
.reveal-wipe{clip-path:inset(0 100% 0 0);transition:clip-path 1.3s cubic-bezier(.65,0,.2,1)}
.reveal-wipe.show{clip-path:inset(0 0 0 0)}
.reveal-wipe.show img{transform:scale(1.02)}
.orbit-deco{position:absolute;z-index:2;right:-52px;top:-46px;width:130px;height:130px;filter:drop-shadow(0 6px 14px rgba(30,124,255,.35))}
.fcard{position:absolute;z-index:3;display:flex;align-items:center;gap:14px;background:rgba(245,249,255,.88);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.9);border-radius:12px;padding:16px 20px;box-shadow:0 18px 40px rgba(11,42,107,.2);will-change:transform;transition:transform .25s ease-out}
.fcard small{display:block;font-size:.55rem;letter-spacing:.22em;text-transform:uppercase;color:#8a98b4}
.fcard strong{display:block;color:var(--ink)}.fcard em{display:block;font-style:normal;font-size:.72rem;color:var(--muted)}
.fc-tech{left:-48px;top:34px;animation:bob 6s ease-in-out infinite}
.fc-tech .g{font-family:Georgia,serif;font-style:italic;font-size:2.4rem;color:var(--blue);padding-right:14px;border-right:1px solid #cfdaee;line-height:1}
.fc-tech strong{font-size:1.9rem;line-height:1.1}
.fc-auto{right:-62px;bottom:62px;animation:bob 7s ease-in-out -2s infinite}
.fc-auto strong{font-size:1.02rem}
.pulse{width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 0 rgba(30,124,255,.5);animation:ping 2s infinite}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -10px}}
@keyframes ping{70%{box-shadow:0 0 0 12px rgba(30,124,255,0)}100%{box-shadow:0 0 0 0 rgba(30,124,255,0)}}
.about-copy .eyebrow{font-size:.7rem}
.about-copy .big{font-size:clamp(2.4rem,4.6vw,3.8rem);line-height:1.08;font-weight:600;color:#6a7d9c;margin-bottom:28px}
.about-copy .big span{color:var(--blue)}
.lede{color:var(--ink);font-size:1.05rem;margin-bottom:18px}
.about-copy p{color:var(--muted);margin-bottom:14px;font-size:.96rem}
.about-copy .lede{color:var(--ink)}
.btn-sq{border-radius:4px;margin-top:14px;padding:16px 26px;display:inline-flex;gap:30px;font-size:.92rem;background:var(--blue)}
.trio{list-style:none;display:flex;justify-content:space-between;margin-top:46px;padding-top:22px;border-top:1px solid #d6e0f0;font-size:.82rem;color:var(--ink)}
.trio b{color:var(--blue);font-size:.68rem;margin-right:8px;font-weight:600}

/* ===== 04 HOW GAMMA IRRADIATION WORKS ===== */
.irr{position:relative;height:340vh;background:#07182D;color:#fff}
.irr-stage{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;gap:10px;padding:76px 0 14px;overflow:hidden;
  background:radial-gradient(900px 400px at 50% 55%,rgba(30,124,255,.14),transparent 70%)}
.irr-head{text-align:center}
.irr-head .eyebrow{color:var(--cyan);font-size:.72rem}
.irr-head h2{font-size:clamp(1.7rem,3.6vw,2.8rem);line-height:1.15}
.irr-svg{width:min(1120px,96%);margin:0 auto;display:block;overflow:visible;max-height:46vh}
.svg-tag{fill:#8fb4e6;font:700 12px "Segoe UI",Arial,sans-serif;letter-spacing:.22em}
.waves{opacity:0;transition:opacity .5s}
.waves.on{opacity:1}
.rods{opacity:.55;transition:opacity .5s}
.rods.on{opacity:1}
.stn{transition:opacity .4s;opacity:.55}.stn.on{opacity:1}
.irr-bar{width:min(760px,86%);height:3px;margin:0 auto;background:rgba(255,255,255,.12);border-radius:3px;overflow:hidden}
.irr-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.irr-steps{list-style:none;width:min(1000px,92%);margin:6px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.istep{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.08);opacity:.45;transition:opacity .4s,border-color .4s,background .4s,transform .4s}
.istep b{font-size:1.6rem;color:#3d6fb4;font-weight:700;line-height:1;transition:color .4s}
.istep h4{font-size:1.02rem;margin-bottom:2px}
.istep p{font-size:.84rem;color:#a9c0e4;line-height:1.45}
.istep.active{opacity:1;border-color:rgba(93,242,255,.55);background:rgba(93,242,255,.07);transform:translateY(-4px)}
.istep.active b{color:var(--cyan)}
.irr-note{text-align:center;font-size:.74rem;color:#7f97bd;width:min(900px,92%);margin:6px auto 0}

/* contact */
.cta-band{background:linear-gradient(135deg,#0a4fd0,#06143a);color:#fff}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact p{color:#c5d6f5}
.form{display:grid;gap:14px}
.form input,.form textarea{width:100%;padding:14px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.1);color:#fff;font:inherit}
.form input::placeholder,.form textarea::placeholder{color:#b9cdf2}
.form input:focus,.form textarea:focus{outline:2px solid var(--cyan);background:rgba(255,255,255,.16)}
.form .btn{background:var(--gold);color:var(--navy);box-shadow:0 8px 24px rgba(255,196,0,.35)}

.footer{background:#040b22;color:#9fb3dd;text-align:center;padding:30px 0;font-size:.9rem}
.footer-logo{width:96px;margin:0 auto 10px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.show{opacity:1;transform:none}
.cards .reveal:nth-child(3n+2){transition-delay:.12s}
.cards .reveal:nth-child(3n+3){transition-delay:.24s}

/* responsive */
@media(max-width:960px){
  .about2{grid-template-columns:1fr;gap:70px}
  .about-visual{margin:0 auto;max-width:420px}
  .fc-tech{left:-14px}.fc-auto{right:-14px}.orbit-deco{right:-14px}.frame-line{right:-14px}

  .hero-inner{grid-template-columns:1fr;text-align:center}
  .lead{margin-inline:auto}.cta{justify-content:center}
  .hero-art{order:-1;max-width:340px;margin:0 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .why,.about,.contact{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}.steps::before{display:none}
}
@media(max-width:700px){
  .trio{flex-wrap:wrap;gap:10px}

  .nav-toggle{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#06143a;padding:20px;gap:18px;display:none}
  .nav.open{display:flex}
  .cards{grid-template-columns:1fr}
  .section{padding:68px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* Scroll-controlled 3D footage with fixed process captions. */
.irr{height:360vh}
.irr-stage{height:100svh;gap:16px;padding:88px 0 24px;background:#07182d}
.irr-head,.irr-bar,.irr-steps,.irr-note{flex-shrink:0}
.irr-visual{position:relative;width:min(1120px,96%);margin:0 auto;min-height:0;flex:0 1 auto;aspect-ratio:1280/570;max-height:46vh;overflow:hidden;border-radius:16px;background:#07182d}
#irrFrames{display:block;width:100%;height:100%;object-fit:contain;background:#07182d}
.irr-labels{position:absolute;top:4%;left:5%;right:5%;display:grid;grid-template-columns:1fr 2.6fr 1fr;gap:10px;text-align:center;font-size:clamp(.45rem,1vw,.7rem);font-weight:700;letter-spacing:.15em;color:#b8d6e7;pointer-events:none}
.irr-labels span{transition:color .35s,text-shadow .35s}
.irr-labels span.is-active{color:#7ee7f5;text-shadow:0 0 12px #3edbe84d}
.irr-steps{grid-template-columns:repeat(3,minmax(0,1fr));margin:0 auto}
.istep{padding:16px;transition:opacity .35s,border-color .35s,background .35s}
.istep.active{transform:none}
.irr-note{margin:0 auto}
@media(max-width:700px){
  .irr-stage{gap:14px;padding:78px 0 20px}
  .irr-head h2{font-size:1.65rem}
  .irr-visual{width:100%;border-radius:0}
  .irr-steps{gap:7px}
  .istep{display:block;padding:12px 8px}
  .istep b{display:block;font-size:1.2rem;margin-bottom:8px}
  .istep h4{font-size:.8rem;min-height:2.4em}
  .istep p{display:block;font-size:.68rem;line-height:1.45}
  .irr-note{font-size:.64rem}
}
@media(max-height:650px) and (min-width:701px){
  .irr-stage{padding:70px 0 12px;gap:8px}
  .irr-head h2{font-size:1.6rem}
  .irr-visual{max-height:38vh}
  .istep{padding:10px 12px}
  .istep p{font-size:.74rem}
  .irr-note{font-size:.64rem}
}