:root{--navy:#04152e;--navy-2:#082b55;--blue:#007dff;--cyan:#46d9ff;--ice:#eaf8ff;--ink:#0b2341;--muted:#607893;--white:#fff;--radius:1.5rem;--shadow:0 1.5rem 4rem rgba(5,35,72,.14);--nav-height:78px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + 1.5rem);overflow-x:hidden}
body{min-width:0;overflow-x:hidden;background:#eef8fd;color:var(--ink);font-family:"Segoe UI",Inter,Arial,sans-serif;line-height:1.5}
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.header{position:sticky;top:0;z-index:1000;padding:.75rem clamp(.6rem,3vw,2.5rem);background:linear-gradient(#eef8fdf2,#eef8fdc9,transparent);backdrop-filter:blur(9px)}
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.main{width:min(calc(100% - 2rem),1370px);min-width:0;margin:0 auto 6rem}.section-panel{scroll-margin-top:calc(var(--nav-height) + 1.5rem)}
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.hero-content{position:relative;z-index:2;width:57%;padding:clamp(4rem,8vw,7.5rem) 0 5rem 7.5%}.eyebrow,.section-kicker{color:#1682b4;font-size:.7rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:.6rem;margin-bottom:1.3rem;color:#71ddfa}.eyebrow>span,.contact-kicker>span{width:.45rem;height:.45rem;border-radius:50%;background:var(--cyan);box-shadow:0 0 .9rem var(--cyan)}
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.software-showcase{position:relative;margin:5rem 0;padding:4rem 0;overflow:hidden;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.software-heading{width:min(100% - 2rem,660px);margin:0 auto 2.4rem;text-align:center}.software-heading h2{margin:.6rem 0;font-size:clamp(2rem,3.3vw,3.2rem);line-height:1.05;letter-spacing:-.05em}.software-heading h2 span{color:#0b9bd0}.software-heading>p:last-child{color:var(--muted);font-size:.85rem}.software-marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}.software-track{display:flex;width:max-content;animation:software-scroll 30s linear infinite}.software-marquee:hover .software-track,.software-marquee:focus-within .software-track{animation-play-state:paused}.software-list{display:flex;flex-shrink:0;gap:1rem;padding:.5rem 1rem .75rem 0;list-style:none}.software-card{display:flex;align-items:center;justify-content:center;width:clamp(175px,17vw,225px);height:108px;padding:1.3rem;border:1px solid #dcebf0;border-radius:1rem;background:#f8fcfe}.software-card img{width:100%;max-width:160px;height:56px;object-fit:contain}.software-card--icon{gap:.7rem}.software-card--icon img{width:42px;height:42px}.software-card--icon span{color:#15365e;font-size:.78rem;font-weight:700}
.members{position:relative;overflow:hidden;padding:clamp(5rem,8vw,7rem) clamp(1rem,4vw,4rem);border-radius:var(--radius);isolation:isolate;background:#03162f url("../images/backgroundmemebres.png") center/cover;color:#fff;box-shadow:var(--shadow)}.members::before{position:absolute;inset:0;z-index:-1;background:linear-gradient(rgba(3,19,43,.36),rgba(2,15,34,.76));content:""}.section-heading-light .section-kicker{color:#6fe0ff}.section-heading-light h2 span{color:#67dbfb}.section-heading-light>p:last-child{color:#a9c6dd}.members-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.85rem}.member-card{position:relative;min-width:0;overflow:hidden;border:1px solid rgba(66,211,255,.5);border-radius:1rem;background:linear-gradient(160deg,rgba(8,56,96,.9),rgba(2,19,43,.95));box-shadow:0 0 1.2rem rgba(0,153,255,.14);transition:transform .32s,border-color .32s,box-shadow .32s}.member-card::after{position:absolute;inset:0;pointer-events:none;border:1px solid transparent;border-radius:inherit;background:linear-gradient(145deg,#57e5ff,transparent 34%,#0866ed) border-box;mask:linear-gradient(#000 0 0) padding-box,linear-gradient(#000 0 0);mask-composite:exclude;content:"";opacity:.5}.member-card:hover{z-index:2;transform:translateY(-10px) scale(1.02);border-color:#7cecff;box-shadow:0 1.3rem 2.5rem rgba(0,4,20,.55),0 0 2rem rgba(0,181,255,.28)}.member-photo,.member-placeholder{height:260px}.member-photo{background-image:url("../images/bureau-reference.jfif");background-repeat:no-repeat;background-size:870px auto;filter:saturate(.92) contrast(1.04)}.photo-president{background-position:-16px -276px}.photo-media{background-position:-354px -288px}.photo-projet{background-position:-514px -280px}.member-placeholder{display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,rgba(42,203,255,.28),transparent 24%),linear-gradient(160deg,rgba(13,70,112,.8),rgba(2,18,41,.96))}.member-placeholder span{display:grid;width:5rem;height:5rem;place-items:center;border:1px solid #2dd5ff;border-radius:50%;box-shadow:0 0 2rem rgba(31,197,255,.25);color:#64dcfa;font-size:2.5rem}.member-info{min-height:116px;padding:1rem;border-top:1px solid rgba(67,215,255,.3);background:rgba(2,16,37,.82)}.member-info span{display:block;margin-bottom:.45rem;color:#56dafa;font-size:.57rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.member-info h3{font-size:.85rem;line-height:1.25;text-transform:uppercase}.member-undocumented{border-style:dashed;opacity:.78}.source-note{margin-top:1.2rem;color:#86a9c4;font-size:.63rem;text-align:right}
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.section-timeline{position:fixed;top:50%;left:max(.25rem,calc((100vw - 1470px)/2));z-index:900;display:flex;flex-direction:column;gap:.72rem;transform:translateY(-50%)}.section-timeline::before,.timeline-progress{position:absolute;top:7px;left:6px;width:1px;height:calc(100% - 14px);background:#bfd5df;content:""}.timeline-progress{z-index:1;height:var(--progress,0%);background:#09aee0;transition:height .35s}.section-timeline a{position:relative;z-index:2;display:flex;align-items:center;gap:.5rem;color:#6f8799;font-size:.56rem;text-decoration:none}.section-timeline i{display:block;width:13px;height:13px;border:2px solid #b7ced9;border-radius:50%;background:#eef8fd;transition:.25s}.section-timeline span:not(.timeline-progress){opacity:0;transform:translateX(-5px);transition:.25s}.section-timeline:hover span,.section-timeline a:focus span,.section-timeline a.active span{opacity:1;transform:none}.section-timeline a.active{color:#087fab;font-weight:800}.section-timeline a.active i{border-color:#07aedf;background:#07aedf;box-shadow:0 0 0 4px rgba(7,174,223,.13)}
.hero{margin-bottom:19rem}.hero-stats{display:flex;gap:clamp(1rem,3vw,2.8rem);margin-top:2.5rem}.hero-stats>div{display:grid;gap:.15rem;padding-left:.75rem;border-left:1px solid rgba(105,221,252,.35)}.hero-stats strong{color:#fff;font-size:1.05rem}.hero-stats span{max-width:8rem;color:#90b7d0;font-size:.58rem}.club-spotlight{position:absolute;right:9%;bottom:-15rem;left:9%;z-index:8;display:grid;grid-template-columns:.8fr 1.2fr;min-height:350px;overflow:hidden;border:1px solid rgba(68,179,223,.35);border-radius:1.2rem;background:linear-gradient(120deg,rgba(250,254,255,.98),rgba(219,246,255,.97));box-shadow:0 1.8rem 4rem rgba(6,45,83,.2);color:var(--ink)}.spotlight-copy{padding:2.4rem 1.5rem 2rem 2.5rem}.spotlight-copy h2{margin:.55rem 0 .8rem;font-size:clamp(2rem,3vw,3.3rem);line-height:1;letter-spacing:-.055em}.spotlight-copy h2 span{color:#0a9dcc}.spotlight-copy>p:not(.section-kicker){max-width:29rem;color:#58738c;font-size:.8rem;line-height:1.65}.spotlight-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0}.spotlight-tags span{padding:.38rem .6rem;border:1px solid #c9e3ee;border-radius:2rem;background:rgba(255,255,255,.65);color:#47677e;font-size:.57rem}.spotlight-button{background:#062d5d;color:#fff}.spotlight-visual{position:relative;min-width:0;overflow:hidden}.spotlight-visual::after{position:absolute;inset:0;background:linear-gradient(90deg,rgba(220,248,255,.5),transparent 25%);content:""}.spotlight-visual>img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1)}.club-spotlight:hover .spotlight-visual>img{transform:scale(1.045)}.spotlight-grid{position:absolute;inset:0;z-index:1;background-image:linear-gradient(90deg,transparent 97%,rgba(130,231,255,.35) 98%),linear-gradient(transparent 97%,rgba(130,231,255,.35) 98%);background-size:62px 62px;mix-blend-mode:screen;opacity:.45}.spotlight-badge{position:absolute;right:1.2rem;bottom:1.2rem;z-index:3;display:grid;min-width:9rem;padding:.85rem 1rem;border:1px solid rgba(90,220,255,.5);border-radius:.65rem;background:rgba(2,30,63,.9);box-shadow:0 .8rem 2rem rgba(0,15,38,.3);color:#fff}.spotlight-badge small{color:#91bfd4;font-size:.53rem}.spotlight-badge strong{font-size:1rem}.spotlight-badge i{width:70%;height:2px;margin-top:.55rem;background:linear-gradient(90deg,#46d9ff 70%,rgba(70,217,255,.2) 70%)}
.activity-card{min-width:0;min-height:0;padding:0;overflow:hidden;background:#fff}.activity-card-wide{grid-column:span 3}.activity-card:nth-child(4){grid-column:span 2}.activity-media{position:relative;height:190px;overflow:hidden;background:#062651}.activity-media::after{position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,23,48,.78));content:""}.activity-media img{width:100%;height:100%;object-fit:cover;object-position:35% 52%;filter:saturate(1.15);transition:transform .7s cubic-bezier(.2,.8,.2,1),filter .4s}.activity-media>span{position:absolute;top:0;bottom:0;left:-35%;z-index:2;width:25%;transform:skewX(-18deg);background:linear-gradient(90deg,transparent,rgba(130,232,255,.32),transparent);animation:activity-shine 5.5s ease-in-out infinite}.activity-card:hover .activity-media img{transform:scale(1.08);filter:saturate(1.3) brightness(1.08)}.activity-media-ai img{object-position:88% 70%}.activity-media-design img{object-position:center}.activity-media-drone img{object-position:76% 20%}.activity-media-training img{object-position:center 33%}.activity-body{position:relative;min-height:220px;padding:1.35rem 1.4rem 1.5rem}.activity-body .activity-icon{width:2.7rem;height:2.7rem;margin-bottom:1.2rem;font-size:1.1rem;transition:transform .4s}.activity-card:hover .activity-icon{transform:rotate(10deg) scale(1.08)}.activity-body p{font-size:.76rem}.activity-body>a{position:absolute;bottom:1.35rem;display:inline-flex;gap:.7rem;color:#087ba9;font-size:.66rem;font-weight:800;text-decoration:none}.activity-body>a span{transition:transform .25s}.activity-body>a:hover span{transform:translateX(4px)}.projects-empty{min-height:18rem}
@keyframes float{50%{transform:translateY(-.8rem)}}@keyframes scan{0%,100%{transform:translateY(0);opacity:0}40%,60%{opacity:.65}85%{transform:translateY(18rem);opacity:0}}@keyframes software-scroll{to{transform:translateX(-50%)}}@keyframes activity-shine{0%,55%{left:-35%;opacity:0}65%{opacity:1}85%,100%{left:120%;opacity:0}}
@media(max-width:1180px){.members-grid{grid-template-columns:repeat(3,1fr)}.member-photo,.member-placeholder{height:330px}.member-photo{background-size:1100px auto}.photo-president{background-position:-20px -348px}.photo-media{background-position:-447px -360px}.photo-projet{background-position:-650px -352px}.section-timeline{left:.15rem}.section-timeline span:not(.timeline-progress){display:none}.main{width:min(calc(100% - 2.5rem),1370px)}}
@media(max-width:900px){:root{--nav-height:68px}.navbar{min-height:var(--nav-height)}.menu-toggle{display:block;margin-left:auto;padding:.65rem}.nav-links{position:absolute;top:calc(100% - .35rem);right:1rem;left:1rem;display:grid;max-height:0;overflow:hidden;border:0;border-radius:.8rem;background:#fff;box-shadow:0 1rem 2rem rgba(4,30,60,.17);transition:max-height .3s,padding .3s}.nav-links.open{max-height:28rem;padding:.6rem}.nav-links a{padding:.75rem}.nav-links a::after{display:none}.hero{min-height:760px}.hero-content{width:100%;padding:4.5rem 2rem 0}.hero-visual{top:300px;right:-18%;width:100%;height:55%;opacity:.78}.hero-tags{margin-top:1.6rem}.projects{grid-template-columns:1fr}.project-visual{min-height:380px}.project-visual::before{background:linear-gradient(#0a3462 0,transparent 45%)}.activity-grid{grid-template-columns:repeat(2,1fr)}.activity-card,.activity-card:nth-child(4){grid-column:auto}.activity-card:last-child{grid-column:1/-1}.news-layout{grid-template-columns:1fr}.contact-shell{grid-template-columns:1fr}.footer{grid-template-columns:1.3fr 1fr}.footer-social{grid-column:1/-1}}
@media(max-width:620px){.header{padding:.45rem}.navbar{padding:.45rem .55rem .45rem .7rem;border-radius:.8rem}.logo{font-size:.76rem}.logo-mark{width:2.1rem;height:2.1rem}.main{width:calc(100% - .75rem);margin-bottom:2rem}.hero,.projects,.members,.software-showcase{border-radius:1rem}.hero{min-height:720px}.hero-content{padding:3.3rem 1.2rem 0}.hero-content h1{font-size:clamp(2.65rem,15vw,4rem)}.hero-description{font-size:.82rem}.hero-actions{align-items:stretch;flex-direction:column}.button{justify-content:space-between;width:100%;max-width:290px}.hero-visual{top:355px;right:-28%;width:135%;height:48%}.hero-tags{gap:.35rem;margin-top:1.2rem}.scroll-cue{bottom:1.2rem;left:1.2rem}.activities,.news{padding:4.5rem .7rem}.section-heading{margin-bottom:2rem}.section-heading h2,.project-copy h2{font-size:clamp(2rem,12vw,3rem)}.activity-grid{grid-template-columns:1fr}.activity-card,.activity-card:last-child{grid-column:auto;min-height:auto}.activity-icon{margin-bottom:2rem}.project-copy{padding:3.5rem 1.2rem}.project-visual{min-height:280px}.software-showcase{margin:3rem 0;padding:3rem 0}.software-card{width:160px;height:92px}.members{padding:4.5rem .7rem}.members-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.55rem}.member-photo,.member-placeholder{height:225px}.member-photo{background-size:755px auto}.photo-president{background-position:-14px -239px}.photo-media{background-position:-307px -247px}.photo-projet{background-position:-446px -242px}.member-info{min-height:106px;padding:.8rem}.member-info h3{font-size:.7rem}.member-info span{font-size:.5rem}.member-placeholder span{width:4rem;height:4rem;font-size:2rem}.news-feature{min-height:370px}.footer{grid-template-columns:1fr;gap:2rem;padding:3rem 1.2rem}.footer-social{grid-column:auto}.footer-bottom{flex-direction:column;gap:.7rem}.section-timeline{position:sticky;top:calc(var(--nav-height) + .9rem);right:auto;bottom:auto;left:auto;display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin:.05rem .45rem .55rem;padding:.5rem .35rem;border:1px solid rgba(7,76,118,.15);border-radius:.8rem;background:rgba(255,255,255,.94);box-shadow:0 .5rem 1.5rem rgba(4,34,67,.1);transform:none;backdrop-filter:blur(10px)}.section-timeline::before,.timeline-progress{top:14px;left:calc(8.33% + 1px);width:calc(83.34% - 2px);height:1px}.timeline-progress{width:var(--progress,0%);height:1px;transition:width .35s}.section-timeline a{justify-content:center}.section-timeline i{width:11px;height:11px}.section-timeline span:not(.timeline-progress){display:none}.source-note{text-align:left}}
@media(max-width:360px){.members-grid{grid-template-columns:1fr}.member-photo,.member-placeholder{height:310px}.member-photo{background-size:1450px auto}.photo-president{background-position:-24px -456px}.photo-media{background-position:-602px -472px}.photo-projet{background-position:-875px -462px}.hero{min-height:735px}.hero-content{padding-top:2.6rem}.hero-visual{top:390px}}
@media(min-width:901px){.hero{overflow:visible;background:transparent}.hero::before,.hero::after{border-radius:inherit}.hero h1{font-size:clamp(3rem,4.7vw,4.7rem)}.hero h1 em{display:block}.activities{padding-top:6rem}}
@media(max-width:900px){.hero{height:auto;margin-bottom:2rem;padding-bottom:1rem;overflow:hidden}.hero-content h1{max-width:720px;font-size:clamp(2.7rem,8vw,4.6rem)}.hero-stats{margin-top:1.5rem}.club-spotlight{position:relative;right:auto;bottom:auto;left:auto;grid-template-columns:1fr;width:calc(100% - 2rem);margin:25rem auto 0}.spotlight-visual{min-height:330px}.activity-card-wide{grid-column:auto}.activity-card:nth-child(4){grid-column:auto}.activity-card:last-child{grid-column:1/-1}}
@media(max-width:620px){.hero{min-height:0}.hero-content{padding-bottom:0}.hero-content h1{font-size:clamp(2.45rem,13vw,3.65rem)}.hero-stats{gap:.6rem}.hero-stats>div{padding-left:.5rem}.hero-stats span{font-size:.51rem}.hero-visual{top:430px;height:310px}.club-spotlight{width:calc(100% - 1rem);margin-top:20rem}.spotlight-copy{padding:2rem 1.1rem}.spotlight-copy h2{font-size:2.15rem}.spotlight-tags{align-items:flex-start;flex-direction:column}.spotlight-visual{min-height:250px}.spotlight-badge{right:.7rem;bottom:.7rem}.scroll-cue{display:none}.activity-media{height:210px}.activity-body{min-height:215px}.activities{padding-top:4rem}.projects-empty{min-height:10rem}}
/* Hero and software showcase refinements */
@media(min-width:901px){.hero-content{width:49%;padding:5.8rem 0 3rem 7.5%}.hero-content h1{max-width:35rem;margin-bottom:1rem;font-size:clamp(2.9rem,4.05vw,4rem);line-height:1.02;letter-spacing:-.052em}.hero-content h1 em{margin-top:.12em}.hero-description{max-width:32rem;font-size:.86rem;line-height:1.65}.hero-actions{margin-top:1.45rem}.hero-stats{gap:1.5rem;margin-top:1.8rem}.hero-visual{top:3%;right:-1%;width:64%;height:88%}}
.software-showcase{isolation:isolate;margin:5rem 0;padding:4.5rem 0 4.2rem;border:1px solid rgba(95,207,244,.24);background:linear-gradient(120deg,#061a3a 0%,#0a315e 62%,#0b4775 100%);box-shadow:0 1.8rem 4rem rgba(7,48,87,.18);color:#fff}.software-showcase::before{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(90deg,transparent 98%,rgba(98,209,246,.13) 99%),linear-gradient(transparent 98%,rgba(98,209,246,.13) 99%);background-size:70px 70px;content:"";opacity:.55;mask-image:linear-gradient(90deg,#000,transparent 92%)}.software-showcase::after{position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 88% 35%,rgba(34,177,234,.14),transparent 28%);content:""}.software-heading{width:min(100% - 2rem,760px);margin-bottom:3rem}.software-heading .section-kicker{color:#64ddff}.software-heading h2{max-width:720px;margin:.7rem auto .8rem;color:#fff;font-size:clamp(2.2rem,3.5vw,3.6rem);line-height:1.02}.software-heading h2 span{color:#67dcfb}.software-heading>p:last-child{max-width:610px;margin:0 auto;color:#b2cbe0;font-size:.84rem;line-height:1.65}.software-list{gap:1rem;padding-right:1rem}.software-card{width:clamp(210px,18vw,250px);height:118px;padding:1.4rem 1.7rem;border-color:rgba(188,225,240,.5);background:rgba(255,255,255,.96);box-shadow:0 .9rem 2rem rgba(0,13,35,.2);transition:transform .3s,border-color .3s,box-shadow .3s}.software-card:hover{transform:translateY(-7px);border-color:#6de3ff;box-shadow:0 1.2rem 2.4rem rgba(0,10,30,.32),0 0 1.5rem rgba(76,215,255,.16)}.software-card img{max-width:175px;height:62px}.software-card--icon img{width:46px;height:46px}.software-card--icon span{font-size:.8rem}
@media(max-width:900px){.hero-content{padding-top:3.5rem}.hero-content h1{max-width:680px;line-height:1.02}.hero-description{max-width:570px}.software-showcase{padding:3.8rem 0}.software-heading{margin-bottom:2.4rem}.software-card{width:205px;height:108px}}
@media(max-width:620px){.hero-content{padding-top:2.8rem}.hero-content h1{font-size:clamp(2.25rem,12vw,3.35rem);line-height:1.01}.hero-content h1 em{display:block;margin-top:.1em}.hero-description{font-size:.8rem;line-height:1.6}.hero-actions{margin-top:1.4rem}.hero-stats{margin-top:1.3rem}.software-showcase{margin:3rem 0;padding:3.2rem 0;border-radius:1rem}.software-heading{width:calc(100% - 2rem);margin-bottom:2rem}.software-heading h2{font-size:clamp(1.9rem,10vw,2.7rem)}.software-heading>p:last-child{font-size:.76rem}.software-card{width:172px;height:96px;padding:1rem 1.2rem}.software-card img{height:50px}.software-card--icon img{width:38px;height:38px}.software-card--icon span{font-size:.68rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}.software-track{animation:none}}