/* TANIT Ventilation — demo site. Vanilla CSS, mobile-first, RTL via logical properties. */
@font-face{font-family:"Montserrat";src:url(fonts/montserrat-latin.woff2) format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Montserrat";src:url(fonts/montserrat-latin-ext.woff2) format("woff2");font-weight:400 800;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Cairo";src:url(fonts/cairo-arabic.woff2) format("woff2");font-weight:200 1000;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}

:root{
  --navy:#05152D; --navy-2:#0a2140; --royal:#165588; --blue:#3C7BAD; --sky:#6599C3; --silver:#C9D6E3;
  --ink:#0d1b2e; --muted:#51627a; --bg:#f4f7fb; --card:#fff; --line:#dfe7f0; --err:#c62828; --ok:#1f8a4c;
  --radius:16px; --shadow:0 10px 30px -12px rgba(5,21,45,.25);
  --font:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --header-h:64px;
}
html[lang="ar"]{--font:"Cairo","Montserrat",system-ui,"Segoe UI",Tahoma,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;overflow-x:hidden}
html[lang="ar"] body{line-height:1.8}
img{max-width:100%;height:auto;display:block}
a{color:var(--royal)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
p{margin:0 0 1em}
.container{width:min(1200px,100% - 2.5rem);margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:1rem;top:-60px;background:#fff;padding:.5rem 1rem;z-index:100;border-radius:8px}
.skip:focus{top:1rem}
.center{text-align:center}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:2px solid transparent;border-radius:999px;padding:.7rem 1.4rem;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-sm{padding:.45rem 1rem;font-size:.9rem}
.btn-lg{padding:.9rem 1.7rem;font-size:1.02rem}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--royal));color:#fff;box-shadow:0 8px 20px -8px rgba(60,123,173,.8)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(60,123,173,.9)}
.btn-ghost{color:#fff;border-color:rgba(201,214,227,.5);background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-outline{border-color:var(--royal);color:var(--royal);background:transparent}
.btn-outline:hover{background:var(--royal);color:#fff}
.btn[disabled]{opacity:.65;cursor:progress;transform:none}

/* ---------- header ---------- */
.site-header{position:fixed;inset-inline:0;top:0;z-index:50;height:var(--header-h);background:rgba(5,21,45,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,214,227,.08);transition:background .3s}
.site-header.scrolled{background:rgba(5,21,45,.95)}
.header-inner{height:100%;display:flex;align-items:center;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:#fff;flex-shrink:0}
.brand-fan{width:40px;height:40px}
.brand-word{display:flex;flex-direction:column;line-height:1;font-family:"Montserrat",system-ui,sans-serif;direction:ltr}
.brand-tanit{font-weight:800;font-size:1.25rem;letter-spacing:.06em;background:linear-gradient(180deg,#fff 30%,#b9c6d4 70%,#fff);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-vent{font-weight:700;font-size:.62rem;letter-spacing:.19em;color:#3d8fe0}
.nav{display:none}
.header-actions{margin-inline-start:auto;display:flex;align-items:center;gap:.5rem}
.lang-toggle{font:600 .9rem/1 "Cairo","Montserrat",sans-serif;color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(201,214,227,.35);border-radius:999px;padding:.5rem .9rem;cursor:pointer;transition:background .2s}
.lang-toggle{display:inline-block;text-decoration:none}
.lang-toggle:hover{background:rgba(255,255,255,.18)}
.burger{width:42px;height:42px;display:grid;place-content:center;gap:5px;background:transparent;border:0;cursor:pointer}
.burger span:not(.sr-only){display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.burger[aria-expanded="true"] span:nth-of-type(2){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-of-type(3){opacity:0}
.burger[aria-expanded="true"] span:nth-of-type(4){transform:translateY(-7px) rotate(-45deg)}
.nav.open{display:flex;position:fixed;top:var(--header-h);inset-inline:0;flex-direction:column;background:var(--navy);padding:1rem 1.25rem 1.5rem;gap:.25rem;border-bottom:1px solid rgba(201,214,227,.15)}
.nav a{color:#dbe6f2;text-decoration:none;padding:.65rem .25rem;font-weight:600}
.nav a:hover{color:#fff}
.nav .nav-cta{margin-top:.5rem;color:#fff}
@media (min-width:1024px){
  :root{--header-h:76px}
  .brand-fan{width:48px;height:48px}
  .brand-tanit{font-size:1.45rem}.brand-vent{font-size:.7rem}
  .nav,.nav.open{display:flex;position:static;flex-direction:row;background:none;padding:0;border:0;gap:1.4rem;align-items:center;margin-inline-start:auto}
  .nav a:not(.btn){position:relative;font-size:.93rem;padding:.4rem 0}
  .nav a:not(.btn)::after{content:"";position:absolute;inset-inline:0;bottom:0;height:2px;background:var(--sky);transform:scaleX(0);transition:transform .25s}
  .nav a:not(.btn):hover::after{transform:scaleX(1)}
  .nav .nav-cta{margin:0}
  .header-actions{margin-inline-start:1rem}
  .burger{display:none}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;background:radial-gradient(1200px 600px at 80% 20%,#123a66 0%,transparent 60%),linear-gradient(160deg,#05152D 0%,#081d3b 55%,#05152D 100%);overflow:hidden;padding:calc(var(--header-h) + 2rem) 0 4rem}
.hero-bg{position:absolute;inset:0;opacity:.22;mix-blend-mode:screen}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,21,45,.2),rgba(5,21,45,.65) 85%,var(--navy));pointer-events:none}
.airflow{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.85}
html[dir="rtl"] .airflow{transform:scaleX(-1)}
.flow{stroke-width:2;stroke-dasharray:180 900;animation:flow 7s linear infinite}
.f2{stroke-width:1.4;animation-duration:9s;animation-delay:-2s}
.f3{stroke-width:2.4;animation-duration:6s;animation-delay:-4s}
.f4{stroke-width:1.2;animation-duration:10s;animation-delay:-1s}
.f5{stroke-width:1.8;animation-duration:8s;animation-delay:-5s}
.f6{stroke-width:1;stroke-dasharray:90 600;animation-duration:5.5s;animation-delay:-3s}
.f7{stroke-width:1;stroke-dasharray:120 700;animation-duration:7.5s;animation-delay:-6s}
@keyframes flow{from{stroke-dashoffset:1080}to{stroke-dashoffset:0}}
.hero-inner{position:relative;z-index:2;display:grid;gap:2rem;align-items:center}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--silver);padding:.4rem .9rem;border:1px solid rgba(101,153,195,.45);border-radius:999px;background:rgba(22,85,136,.18);margin-bottom:1.2rem}
html[lang="ar"] .eyebrow{letter-spacing:0;font-size:.9rem}
.slogan{line-height:1.15;margin-top:0;font-size:clamp(2.1rem,7vw,4.2rem);font-weight:800;letter-spacing:-.01em;margin-bottom:.4em;background:linear-gradient(90deg,#fff 0%,#dbe7f3 45%,var(--sky) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
html[lang="ar"] .slogan{letter-spacing:0;line-height:1.35}
.headline{line-height:1.35;margin-top:0;font-size:clamp(1.1rem,2.6vw,1.45rem);font-weight:700;color:#fff;max-width:36ch}
.subline{color:#c3d2e2;max-width:56ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero-visual{position:relative;width:min(70vw,300px);aspect-ratio:1;margin-inline:auto;order:-1}
.hero-visual picture,.hero-visual img{width:100%;height:100%}
.fan-spin{animation:spin 18s linear infinite;transform-origin:50% 50%;filter:drop-shadow(0 18px 40px rgba(60,123,173,.45))}
@keyframes spin{to{transform:rotate(360deg)}}
.fan-ring{position:absolute;inset:-8%;border-radius:50%;border:1px solid rgba(101,153,195,.35);animation:pulse 4s ease-in-out infinite}
.fan-ring.r2{inset:-20%;border-color:rgba(101,153,195,.15);animation-delay:-2s}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.04);opacity:.35}}
.scroll-hint{position:absolute;z-index:2;bottom:1.4rem;inset-inline-start:50%;translate:-50% 0;width:26px;height:42px;border:2px solid rgba(201,214,227,.55);border-radius:14px}
html[dir="rtl"] .scroll-hint{translate:50% 0}
.scroll-hint span{position:absolute;inset-inline-start:50%;top:8px;width:4px;height:8px;margin-inline-start:-2px;background:#fff;border-radius:2px;animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
@media (min-width:900px){
  .hero-inner{grid-template-columns:1.25fr .9fr;gap:3rem}
  .hero-visual{order:0;width:min(100%,440px)}
}


/* Reference hero: background and person are independent layers. */
.hero{min-height:max(720px,100svh);padding:calc(var(--header-h) + 58px) 0 80px;background:#020e20;isolation:isolate}
.hero::after{display:none}
.hero-backdrop{position:absolute;inset:var(--header-h) 0 0;z-index:-3;background:url('/img/hero-workshop.png') center/cover no-repeat;pointer-events:none}
.hero-backdrop::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,14,32,.65),rgba(2,14,32,.15) 48%,transparent 72%)}
html[dir="rtl"] .hero-backdrop{transform:scaleX(-1)}
.hero-person{position:absolute;z-index:3;bottom:0;inset-inline-end:2%;height:calc(100% - var(--header-h) - 38px);width:46%;object-fit:contain;object-position:center bottom;pointer-events:none;transform:none}
.hero-inner{position:static;display:block;width:min(1080px,100% - 3rem)}
.hero-copy{position:relative;z-index:4;width:49%;max-width:550px}
.eyebrow{font-size:.72rem;letter-spacing:.15em;font-weight:500;padding:.35rem .85rem;background:rgba(3,21,43,.35);border-color:rgba(82,143,188,.28);margin-bottom:1.55rem}
.slogan{font-size:clamp(2.8rem,4.5vw,4.1rem);line-height:1.12;letter-spacing:-.025em;margin-bottom:.35em}
.headline{font-size:clamp(1.15rem,1.9vw,1.5rem);line-height:1.35;max-width:34ch;margin-bottom:.6em}
.subline{font-size:1rem;line-height:1.7;color:#a8a7b6;max-width:50ch}
.hero-ctas{gap:.85rem;margin-top:1.5rem;flex-wrap:nowrap}
.hero-ctas .btn{font-size:.9rem;white-space:nowrap;padding:.8rem 1.4rem;font-weight:600;border-width:1px}
.hero-visual{position:absolute;z-index:1;inset-inline-end:21%;top:calc(var(--header-h) + 20px);width:clamp(270px,30vw,420px);height:auto;aspect-ratio:400/450;margin:0;pointer-events:none}
.hero-turbine{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 12px 24px rgba(0,98,180,.2))}
.turbine-rotor{transform-origin:244px 235px;animation:spin 14s linear infinite}
.airflow{z-index:0;opacity:.24;pointer-events:none}
.flow{stroke-width:1.2}
.scroll-hint{display:none}
html[lang="ar"] .slogan{font-size:clamp(2.6rem,4.5vw,4rem);line-height:1.35}
html[lang="ar"] .headline{font-size:1.45rem}
html[lang="ar"] .eyebrow{font-size:.85rem;letter-spacing:0}
@media(min-width:1024px){:root{--header-h:67px}.header-inner{width:min(1080px,100% - 3rem)}.brand-fan{width:46px;height:46px}.brand-tanit{font-size:1.35rem}.brand-vent{font-size:.65rem}.nav a:not(.btn){font-weight:500;font-size:.84rem}.nav,.nav.open{gap:1.35rem}.site-header{background:#020f23}}
@media(min-width:1500px){.hero-inner{width:min(1240px,100% - 6rem)}.hero-person{inset-inline-end:7%;width:38%}.hero-visual{inset-inline-end:24%;top:16%}.hero-copy{max-width:590px}.slogan{font-size:4.5rem}}
@media(max-width:899px){.hero{min-height:1050px;padding:calc(var(--header-h) + 40px) 0 500px;align-items:flex-start}.hero-inner{width:min(600px,100% - 2.5rem)}.hero-copy{width:100%;max-width:none}.hero-backdrop{background-position:65% bottom}.hero-backdrop::after{background:linear-gradient(180deg,#020e20 0%,rgba(2,14,32,.95) 30%,rgba(2,14,32,.3) 80%)}.hero-person{height:470px;width:70%;inset-inline-end:0}.hero-visual{top:auto;bottom:100px;inset-inline-end:38%;width:280px}.slogan{font-size:clamp(2.4rem,7vw,3.7rem)}.subline{max-width:52ch}.hero-ctas{flex-wrap:wrap}.airflow{opacity:.25}.eyebrow{font-size:.64rem;letter-spacing:.1em}}
@media(max-width:400px){.hero{min-height:1100px}.hero-person{width:83%;height:440px}.hero-visual{width:230px;inset-inline-end:35%}.hero-ctas .btn{padding:.75rem 1rem;font-size:.82rem}}
@media(prefers-reduced-motion:reduce){.turbine-rotor,.flow{animation:none}}

/* ---------- sections ---------- */
.section{padding:4.5rem 0}
.section-title{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800;color:var(--navy);position:relative;padding-bottom:.55rem;margin-bottom:.8rem}
.section-title::after{content:"";position:absolute;bottom:0;inset-inline-start:0;width:56px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--blue),var(--sky))}
.section-intro{color:var(--muted);max-width:62ch;font-size:1.05rem;margin-bottom:2.2rem}

/* vision / mission */
.vm{padding-bottom:0;background:#fff}
.vm-grid{display:grid;gap:1.25rem;margin-top:1.8rem}
.vm-card{background:linear-gradient(180deg,#fff,#f5f8fc);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:transform .3s,box-shadow .3s}
.vm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.vm-card h3{color:var(--royal);font-size:1.25rem}
.vm-card p{margin:0;color:#2b3b52}
.vm-ico{width:40px;height:40px;fill:none;stroke:var(--blue);stroke-width:1.6;margin-bottom:.8rem}
@media (min-width:768px){.vm-grid{grid-template-columns:1fr 1fr;gap:1.5rem}}
.process-band{margin-top:4rem;background:linear-gradient(135deg,var(--navy),#0b2a52 60%,var(--royal));color:#fff;padding:3.5rem 0;position:relative;overflow:hidden}
.process-band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(100deg,transparent 0 38px,rgba(101,153,195,.06) 38px 39px)}
.process-title{position:relative;font-size:clamp(1.4rem,3vw,1.9rem);text-align:center;margin-bottom:2rem}
.process{position:relative;list-style:none;margin:0;padding:0;display:grid;gap:1rem;counter-reset:s}
.step{position:relative;padding:1.4rem 1.3rem;border:1px solid rgba(201,214,227,.18);border-radius:var(--radius);background:rgba(255,255,255,.04);transition:background .3s,transform .3s}
.step:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.step-n{position:absolute;inset-inline-end:1rem;top:.8rem;font-weight:800;font-size:1.8rem;color:rgba(201,214,227,.18);font-family:"Montserrat",sans-serif}
.step-ico{width:48px;height:48px;fill:none;stroke:var(--sky);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin-bottom:.6rem}
.step h3{font-size:1.15rem;text-transform:uppercase;letter-spacing:.06em}
html[lang="ar"] .step h3{letter-spacing:0}
.step p{color:#c7d5e4;margin:0;font-size:.95rem}
@media (min-width:640px){.process{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){
  .process{grid-template-columns:repeat(4,1fr)}
  .step:not(:last-child)::after{content:"";position:absolute;top:50%;inset-inline-end:-1rem;width:1rem;height:2px;background:linear-gradient(90deg,var(--sky),transparent)}
  html[dir="rtl"] .step:not(:last-child)::after{background:linear-gradient(270deg,var(--sky),transparent)}
}

/* services */
.services{background:var(--bg)}
.svc-grid{display:grid;gap:1.25rem}
.svc{background:var(--card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .35s,box-shadow .35s}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.svc-media{aspect-ratio:4/3;overflow:hidden;background:#dde6ef}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.svc:hover .svc-media img{transform:scale(1.06)}
.svc-body{position:relative;padding:2.2rem 1.4rem 1.5rem}
.svc-ico{position:absolute;top:-28px;inset-inline-start:1.2rem;width:56px;height:56px;padding:10px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--royal));fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;box-shadow:0 10px 20px -8px rgba(22,85,136,.7)}
.svc h3{font-size:1.12rem;color:var(--navy)}
.svc p{color:var(--muted);margin:0;font-size:.97rem}
@media (min-width:640px){.svc-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.svc-grid{grid-template-columns:repeat(6,1fr)}.svc{grid-column:span 2}.svc:nth-child(4){grid-column:2/span 2}html[dir="rtl"] .svc:nth-child(4){grid-column:2/span 2}}

/* gallery */
.gallery-sec{background:#fff}
.gallery{list-style:none;margin:0 0 2rem;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem}
.g-item a{display:block;position:relative;overflow:hidden;border-radius:12px;aspect-ratio:1;background:#dde6ef}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .5s}
.g-item a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(5,21,45,.55));opacity:0;transition:opacity .3s}
.g-item a:hover img{transform:scale(1.07)}
.g-item a:hover::after{opacity:1}
.gallery:not(.expanded) .g-extra{display:none}
@media (min-width:640px){.gallery{grid-template-columns:repeat(3,1fr);gap:.8rem}}
@media (min-width:1024px){.gallery{grid-template-columns:repeat(4,1fr);gap:1rem;grid-auto-flow:dense}.g-item:nth-child(6n+1) a{aspect-ratio:auto;height:100%}.g-item:nth-child(6n+1){grid-row:span 2}}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(3,10,22,.94);display:flex;align-items:center;justify-content:center;padding:3.5rem 1rem}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;max-width:min(1100px,100%);max-height:100%;display:flex;flex-direction:column;align-items:center}
.lightbox img{max-height:calc(100svh - 9rem);width:auto;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox figcaption{color:#c9d6e3;margin-top:.8rem;font-size:.9rem}
.lightbox button{position:absolute;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.25);width:48px;height:48px;border-radius:50%;font-size:1.8rem;line-height:1;cursor:pointer;display:grid;place-items:center}
.lightbox button:hover{background:rgba(255,255,255,.22)}
.lb-close{top:1rem;inset-inline-end:1rem}
.lb-prev{inset-inline-start:1rem;top:50%;translate:0 -50%}
.lb-next{inset-inline-end:1rem;top:50%;translate:0 -50%}
html[dir="rtl"] .lb-prev,html[dir="rtl"] .lb-next{transform:scaleX(-1)}

/* references */
.refs{background:var(--bg)}
.ref-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}
.ref{height:110px;display:flex;align-items:center;justify-content:center;padding:1rem 1.1rem;background:#fff;border:1px solid var(--line);border-radius:14px;transition:transform .3s,box-shadow .3s,border-color .3s}
.ref:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--silver)}
.ref img{max-height:62px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1) contrast(1.05);opacity:.75;transition:filter .35s,opacity .35s}
.ref:hover img,.ref:focus-within img{filter:none;opacity:1}
.ref:has(img.on-dark){background:linear-gradient(135deg,var(--navy),#0d2b52)}
.ref img.on-dark{opacity:.85}
.ref-text span{font-weight:800;font-size:.98rem;text-align:center;color:#5f6e83;letter-spacing:.02em;line-height:1.3;transition:color .3s;direction:ltr;unicode-bidi:isolate}
.ref-text:hover span{color:var(--royal)}
@media (min-width:640px){.ref-grid{grid-template-columns:repeat(3,1fr);gap:1rem}}
@media (min-width:1024px){.ref-grid{grid-template-columns:repeat(4,1fr)}.ref{height:120px}}

/* form */
.form-sec{background:linear-gradient(180deg,#fff,#eef3f9)}
.form-wrap{display:grid;gap:2rem}
.form-alt{margin-top:1rem}
.phone-big{font-size:1.35rem;font-weight:800;color:var(--royal);text-decoration:none;unicode-bidi:isolate}
.quote-form,.form-success{background:#fff;border:1px solid var(--line);border-radius:20px;padding:1.4rem;box-shadow:var(--shadow)}
.seg{border:0;padding:0;margin:0 0 1.2rem}
.seg legend{font-weight:700;margin-bottom:.5rem;color:var(--navy)}
.seg-opts{display:grid;grid-template-columns:1fr 1fr;background:#edf2f8;border-radius:999px;padding:4px;position:relative}
.seg-opts label{position:relative;cursor:pointer}
.seg-opts input{position:absolute;opacity:0;inset:0;cursor:pointer}
.seg-opts span{display:block;text-align:center;padding:.65rem .5rem;border-radius:999px;font-weight:700;color:var(--muted);transition:background .25s,color .25s}
.seg-opts input:checked+span{background:linear-gradient(135deg,var(--blue),var(--royal));color:#fff;box-shadow:0 6px 14px -6px rgba(22,85,136,.7)}
.seg-opts input:focus-visible+span{outline:3px solid var(--sky);outline-offset:2px}
.grid2{display:grid;gap:0 1rem}
@media (min-width:640px){.grid2{grid-template-columns:1fr 1fr}}
.field{margin-bottom:.9rem}
.field label,.field .label{display:block;font-weight:600;font-size:.93rem;margin-bottom:.35rem;color:var(--navy)}
.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{width:100%;font:inherit;color:var(--ink);background:#f8fafd;border:1.5px solid var(--line);border-radius:12px;padding:.75rem .9rem;transition:border-color .2s,box-shadow .2s,background .2s}
html[dir="rtl"] input[dir="ltr"]{text-align:right}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(60,123,173,.15)}
.field.invalid input,.field.invalid textarea{border-color:var(--err);background:#fff7f7}
.err{color:var(--err);font-size:.85rem;margin:.3rem 0 0;min-height:0}
.err:empty{display:none}
.drop{display:flex !important;align-items:center;gap:.7rem;border:2px dashed #b8c8da;border-radius:14px;padding:1rem;background:#f8fafd;cursor:pointer;transition:border-color .2s,background .2s;position:relative}
.drop:hover,.drop.drag{border-color:var(--blue);background:#eef5fc}
.drop svg{width:28px;height:28px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.drop-btn{font-weight:700;color:var(--royal)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}
.hint{font-size:.85rem;color:var(--muted);margin:.4rem 0 0}
.hint strong{font-weight:600;color:var(--navy)}
.file-list{list-style:none;margin:.5rem 0 0;padding:0;display:grid;gap:.4rem}
.file-list li{display:flex;align-items:center;gap:.6rem;background:#f1f5fa;border-radius:10px;padding:.45rem .7rem;font-size:.88rem}
.file-list li.bad{background:#fdecec;color:var(--err)}
.file-list .fname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr;unicode-bidi:plaintext}
.file-list button{border:0;background:none;color:var(--err);font:inherit;font-size:.85rem;cursor:pointer;text-decoration:underline}
.check label{display:flex;gap:.6rem;align-items:flex-start;font-weight:500;font-size:.92rem;color:#2b3b52}
.check input{width:20px;height:20px;margin:.15rem 0 0;accent-color:var(--royal);flex-shrink:0}
.ts-wrap{margin:.6rem 0 .4rem;min-height:65px}
.req-note{font-size:.82rem;color:var(--muted);margin:.4rem 0 1rem}
.btn-submit{width:100%}
.btn-submit.loading::after{content:"";width:18px;height:18px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
.form-status{margin-top:1rem;padding:.8rem 1rem;border-radius:12px;font-weight:600;background:#fdecec;color:var(--err)}
.form-success{text-align:center;padding:2.5rem 1.5rem}
.form-success svg{width:72px;height:72px;fill:none;stroke:var(--ok);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 1rem}
.form-success svg path{stroke-dasharray:40;stroke-dashoffset:40;animation:draw .7s .2s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.form-success h3{font-size:1.6rem;color:var(--navy)}
.demo-badge{display:inline-block;margin-top:.6rem;font-size:.82rem;background:#fff4d6;color:#7a5600;border:1px solid #f1d589;padding:.35rem .8rem;border-radius:999px}
@media (min-width:1024px){.form-wrap{grid-template-columns:.8fr 1.2fr;align-items:start;gap:3rem}.form-head{position:sticky;top:calc(var(--header-h) + 2rem)}.quote-form,.form-success{padding:2rem}}

/* contact */
.contact{background:var(--navy);color:#fff}
.contact .section-title{color:#fff}
.contact .section-intro{color:#b9c9da}
.contact-grid{display:grid;gap:1rem}
.c-card{display:flex;flex-direction:column;gap:.2rem;padding:1.4rem;border-radius:var(--radius);background:rgba(255,255,255,.05);border:1px solid rgba(201,214,227,.15);color:#fff;text-decoration:none;transition:background .3s,transform .3s,border-color .3s;min-width:0}
a.c-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);border-color:rgba(101,153,195,.5)}
.c-card svg{width:30px;height:30px;fill:none;stroke:var(--sky);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:.5rem}
.c-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--sky);font-weight:700}
html[lang="ar"] .c-label{letter-spacing:0;font-size:.9rem}
.c-val{font-weight:700;font-size:1.02rem;overflow-wrap:anywhere}
.c-val[dir="ltr"]{unicode-bidi:isolate;text-align:start}
.c-link{color:var(--silver);font-size:.88rem;text-decoration:underline;margin-top:.3rem}
.c-sub{color:#b9c9da;font-size:.88rem;margin-top:.3rem}
.socials{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem;margin-top:2rem;color:#b9c9da;font-weight:600}
.socials a{display:inline-flex;align-items:center;gap:.45rem;color:#fff;text-decoration:none;padding:.5rem 1rem;border:1px solid rgba(201,214,227,.3);border-radius:999px;transition:background .25s,border-color .25s}
.socials a:hover{background:var(--royal);border-color:var(--royal)}
.socials svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.socials svg .fill{fill:currentColor;stroke:none}
@media (min-width:640px){.contact-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.contact-grid{grid-template-columns:repeat(4,1fr)}}

/* legal */
.legal{background:#071a35;color:#c9d6e3;padding:2rem 0}
.legal-grid{display:grid;gap:1rem}
@media (min-width:900px){.legal-grid{grid-template-columns:1fr 1fr;align-items:start}}
.legal-doc{border:1px solid rgba(201,214,227,.15);border-radius:14px;padding:0 1.2rem;background:rgba(255,255,255,.03)}
.legal-doc[open]{padding-bottom:1rem}
.legal-doc summary{cursor:pointer;padding:1rem 0;font-weight:700;color:#fff;list-style:none;display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.legal-doc summary::-webkit-details-marker{display:none}
.legal-doc summary::before{content:"+";display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:rgba(101,153,195,.25);font-weight:800;transition:transform .25s}
.legal-doc[open] summary::before{content:"–"}
.legal-status{font-size:.75rem;font-weight:600;color:#9fb3c8;border:1px solid rgba(201,214,227,.25);border-radius:999px;padding:.1rem .6rem}
.legal-date{font-size:.82rem;color:#8ea4bb}
.legal-doc h3{font-size:.98rem;color:#fff;margin-top:1rem}
.legal-doc p{font-size:.9rem;overflow-wrap:anywhere}
mark.ph{background:#fff1c2;color:#6b4d00;padding:0 .25rem;border-radius:4px}

/* footer */
.site-footer{background:#030d1d;color:#9fb3c8;padding:3rem 0 1.5rem;font-size:.92rem}
.footer-grid{display:grid;gap:2rem}
.f-tag{color:#fff;font-weight:700;margin-top:1rem;margin-bottom:.3rem}
.f-sub{margin:0}
.f-links,.f-contact{display:flex;flex-direction:column;gap:.45rem}
.site-footer a{color:#c9d6e3;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.f-contact a[dir="ltr"]{unicode-bidi:isolate;align-self:flex-start}
.f-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 1.5rem;border-top:1px solid rgba(201,214,227,.12);margin-top:2rem;padding-top:1.2rem;font-size:.84rem}
.f-bottom p{margin:0}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1.3fr}}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  html{scroll-behavior:auto}
  .flow{animation:none;stroke-dasharray:none;opacity:.35}
  .fan-spin,.fan-ring{animation:none}
  .js .reveal{opacity:1;transform:none}
}
.c-email{overflow-wrap:normal;word-break:normal}
@media (max-width:767px),(max-height:700px){.scroll-hint{display:none}}
.nowrap{white-space:nowrap}

@media(min-width:900px){html[lang="fr"] .hero-copy .slogan{max-width:14ch}}

/* Respect the hidden attribute after a real email delivery. */
.demo-badge[hidden]{display:none}

/* Hero artwork uses the same original mark as the navigation logo. */
.hero-visual{aspect-ratio:1}

/* The complete original logo rotates as one piece around its fan hub. */
.logo-spin{animation:spin 14s linear infinite;transform-origin:50.961538% 49.358974%}
@media(prefers-reduced-motion:reduce){.logo-spin{animation:none}}