/* ==========================================================================
   Cyberix — feuille de style principale
   Palette tirée du logo : marine profond + dégradé bleu/cyan
   ========================================================================== */

:root{
  --navy:#0A1B33;
  --navy-deep:#061224;
  --ink:#13233B;
  --body:#44546B;
  --faint:#8494A9;
  --blue:#0080F0;
  --cyan:#00B2EF;
  --grad:linear-gradient(100deg,#0066DE,#00A8F2);
  --paper:#FFFFFF;
  --off:#F6F9FC;
  --line:#E3EAF2;
  --line-dark:rgba(255,255,255,.1);
  --font-head:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --font-body:'Inter',ui-sans-serif,system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
::selection{background:#BFE6FB;color:var(--navy)}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:16.5px;color:var(--body);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}

.kicker{font-family:var(--font-head);font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);display:flex;align-items:center;gap:12px;margin-bottom:22px}
.kicker::before{content:"";width:34px;height:1.5px;background:var(--blue);display:inline-block}

/* ============ TOPBAR + NAV ============ */
.topbar{background:var(--navy-deep);color:#9DB2CC;font-size:.8rem;padding:8px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:18px}
.topbar a:hover{color:#fff}
.topbar .right{display:flex;gap:26px}
nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
nav.scrolled{box-shadow:0 6px 24px rgba(10,27,51,.07)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px}
.logo svg{height:36px;width:auto}
.logo-word{font-family:var(--font-head);font-weight:700;font-size:1.28rem;letter-spacing:.14em;color:var(--navy)}
.logo-word b{color:var(--blue);font-weight:700}
.menu{display:flex;align-items:center;gap:34px;list-style:none}
.menu a{font-size:.92rem;font-weight:500;color:#33445C;position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue);transition:width .25s}
.menu a:hover::after,.menu a.act::after{width:100%}
.menu a.act{color:var(--navy);font-weight:600}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{border:0;background:#fff;padding:7px 13px;font-size:.78rem;font-weight:600;letter-spacing:.06em;color:var(--faint);cursor:pointer;font-family:var(--font-body)}
.lang button.on{background:var(--navy);color:#fff}
.nav-cta{background:var(--navy);color:#fff;padding:11px 22px;border-radius:9px;font-size:.9rem;font-weight:600;transition:.25s}
.nav-cta:hover{background:var(--blue)}
.burger{display:none;border:0;background:none;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;transition:.3s}

/* ============ BOUTONS ============ */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:600;font-size:.95rem;border-radius:10px;padding:15px 28px;cursor:pointer;border:0;transition:.25s}
.btn-blue{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(0,110,225,.35)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,110,225,.45)}
.btn-line{border:1px solid rgba(255,255,255,.28);color:#DFEAF6;background:transparent}
.btn-line:hover{border-color:#4FC3F7;color:#fff;background:rgba(79,195,247,.08)}
.btn-line-dark{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-line-dark:hover{border-color:var(--blue);color:var(--blue)}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ============ HERO (accueil) ============ */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 480px at 88% 8%,rgba(0,128,240,.22),transparent 60%),
  radial-gradient(700px 420px at -5% 100%,rgba(0,178,239,.12),transparent 55%)}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,90px);align-items:center;padding:clamp(70px,9vh,110px) 0 clamp(80px,10vh,120px)}
.hero .kicker{color:#7FCBF5}
.hero .kicker::before{background:#7FCBF5}
.hero h1{color:#fff;font-size:clamp(2.3rem,4.8vw,3.7rem);font-weight:700;margin-bottom:26px}
.hero h1 em{font-style:normal;color:#4FC3F7;position:relative;white-space:nowrap}
.hero h1 em svg{position:absolute;left:0;bottom:-8px;width:100%;height:12px}
.hero p.lede{color:#A7BAD3;font-size:1.09rem;max-width:56ch;margin-bottom:40px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:34px;color:#7E93B0;font-size:.86rem}
.hero-note svg{width:15px;height:15px;stroke:#4FC3F7;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* console de supervision (visuel hero) */
.console{position:relative;background:#0D2140;border:1px solid rgba(122,180,255,.16);border-radius:16px;box-shadow:0 40px 80px rgba(0,0,0,.42);font-size:.84rem;overflow:hidden}
.console-bar{display:flex;align-items:center;gap:7px;padding:13px 18px;border-bottom:1px solid rgba(122,180,255,.12);background:rgba(255,255,255,.02)}
.console-bar i{width:10px;height:10px;border-radius:50%;display:block}
.console-bar i:nth-child(1){background:#FF5F57}.console-bar i:nth-child(2){background:#FEBC2E}.console-bar i:nth-child(3){background:#28C840}
.console-bar span{margin-left:10px;color:#6C87AB;font-size:.76rem;font-family:var(--font-head);letter-spacing:.08em}
.console-body{padding:20px 18px 22px}
.crow{display:flex;justify-content:space-between;align-items:center;padding:11px 12px;border-radius:9px;color:#B9CBE2}
.crow+.crow{margin-top:2px}
.crow:nth-child(odd){background:rgba(255,255,255,.028)}
.crow .lbl{display:flex;align-items:center;gap:11px}
.crow .lbl svg{width:16px;height:16px;stroke:#5FB9F0;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pill{font-size:.7rem;font-weight:600;padding:3.5px 11px;border-radius:20px;letter-spacing:.04em}
.pill.ok{background:rgba(40,200,110,.14);color:#5CE0A1}
.pill.info{background:rgba(0,168,242,.15);color:#5FC9F5}
.spark{margin-top:18px;padding:14px 12px 10px;border:1px solid rgba(122,180,255,.13);border-radius:10px}
.spark .cap{display:flex;justify-content:space-between;color:#6C87AB;font-size:.72rem;margin-bottom:8px}
.spark .cap b{color:#5CE0A1;font-weight:600}
.badge-24{position:absolute;right:14px;top:-17px;z-index:3;background:var(--grad);color:#fff;font-family:var(--font-head);font-weight:600;font-size:.78rem;letter-spacing:.06em;padding:9px 16px;border-radius:10px;box-shadow:0 12px 28px rgba(0,110,225,.45);transform:rotate(3deg)}

/* bandeau secteurs */
.strip{border-top:1px solid var(--line-dark);background:var(--navy);position:relative;padding:20px 0 26px}
.strip .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:10px 0}
.strip .cap{color:#66809F;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-family:var(--font-head);margin-right:34px;white-space:nowrap}
.strip ul{display:flex;flex-wrap:wrap;list-style:none;gap:10px 0;align-items:center}
.strip li{color:#B4C5DB;font-size:.9rem;font-weight:500;white-space:nowrap}
.strip li+li::before{content:"·";color:#3D5A80;margin:0 16px;font-weight:700}

/* ============ EN-TÊTE DE PAGE INTÉRIEURE ============ */
.page-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:clamp(56px,8vh,88px) 0 clamp(56px,8vh,80px)}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(760px 400px at 85% 0%,rgba(0,128,240,.2),transparent 60%)}
.page-hero .wrap{position:relative}
.page-hero .kicker{color:#7FCBF5}
.page-hero .kicker::before{background:#7FCBF5}
.page-hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem);font-weight:700;max-width:22ch}
.page-hero p{color:#A7BAD3;font-size:1.06rem;max-width:60ch;margin-top:18px}
.crumbs{display:flex;gap:10px;align-items:center;font-size:.82rem;color:#66809F;margin-bottom:28px}
.crumbs a:hover{color:#4FC3F7}
.crumbs span{color:#3D5A80}

/* ============ SECTIONS ============ */
.sec{padding:clamp(80px,11vh,130px) 0}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;align-items:end;margin-bottom:64px}
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:700}
.sec-head .side{color:var(--body);font-size:1.02rem;max-width:46ch;justify-self:end;padding-bottom:6px}

/* aperçu services (accueil) */
.ov-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.ov{background:#fff;padding:34px 28px 38px;position:relative;transition:.25s;display:block}
.ov:hover{background:var(--off)}
.ov .no{font-family:var(--font-head);font-size:.8rem;color:#B9C6D6;display:block;margin-bottom:34px}
.ov h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.ov p{font-size:.87rem;color:var(--faint)}
.ov .go{position:absolute;top:30px;right:26px;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:.25s}
.ov .go svg{width:13px;height:13px;stroke:var(--faint);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:.25s}
.ov:hover .go{background:var(--navy);border-color:var(--navy);transform:rotate(-45deg)}
.ov:hover .go svg{stroke:#fff}

/* liste services détaillée (page services) */
.svc-list{border-top:1px solid var(--line)}
.svc{display:grid;grid-template-columns:88px minmax(0,4fr) minmax(0,6fr) 54px;gap:26px;align-items:center;padding:34px 6px;border-bottom:1px solid var(--line);transition:background .25s}
.svc:hover{background:var(--off)}
.svc .no{font-family:var(--font-head);font-weight:500;color:#B9C6D6;font-size:.95rem}
.svc h3{font-size:1.22rem;font-weight:600}
.svc .fr-sub{display:block;font-family:var(--font-body);font-weight:450;color:var(--faint);font-size:.85rem;margin-top:4px;letter-spacing:.01em}
.svc p{font-size:.95rem;max-width:60ch}
.svc ul{list-style:none;margin-top:12px}
.svc ul li{font-size:.88rem;color:var(--faint);padding-left:18px;position:relative;margin-bottom:5px}
.svc ul li::before{content:"—";position:absolute;left:0;color:var(--cyan)}
.svc .arr{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;justify-self:end;transition:.25s}
.svc .arr svg{width:16px;height:16px;stroke:var(--faint);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:.25s}
.svc:hover .arr{background:var(--navy);border-color:var(--navy);transform:rotate(-45deg)}
.svc:hover .arr svg{stroke:#fff}

/* étapes / approche */
.approach{background:var(--off);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line)}
.step{border-right:1px solid var(--line);padding:8px 30px 6px}
.step .n{font-family:var(--font-head);font-size:2.6rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;margin-bottom:18px}
.step h3{font-size:1.06rem;font-weight:600;margin-bottom:10px}
.step p{font-size:.9rem}

/* à propos */
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(44px,6vw,90px);align-items:center}
.about-visual{position:relative}
.about-visual .frame{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(28px,4vw,54px);box-shadow:0 24px 60px rgba(10,27,51,.08)}
.about-visual .tag{position:absolute;left:-12px;bottom:26px;background:var(--navy);color:#fff;font-family:var(--font-head);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;padding:10px 18px;border-radius:8px}
.about-txt h2{font-size:clamp(1.9rem,3.2vw,2.5rem);margin-bottom:24px}
.about-txt p{margin-bottom:18px}
.about-vals{display:flex;margin-top:34px;border-top:1px solid var(--line)}
.about-vals div{flex:1;padding:20px 18px 0;border-right:1px solid var(--line)}
.about-vals div:first-child{padding-left:0}
.about-vals div:last-child{border-right:0}
.about-vals b{font-family:var(--font-head);display:block;color:var(--navy);font-size:1rem;margin-bottom:6px;font-weight:600}
.about-vals span{font-size:.85rem;color:var(--faint)}

/* engagements */
.promise{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.promise::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 400px at 15% 0%,rgba(0,128,240,.16),transparent 60%)}
.promise .wrap{position:relative}
.promise .sec-head h2{color:#fff}
.promise .sec-head .side{color:#93A9C5}
.prom-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:14px;overflow:hidden}
.prom{background:var(--navy);padding:34px 28px}
.prom:hover{background:#0D2444}
.prom b{font-family:var(--font-head);font-size:1.9rem;font-weight:700;color:#4FC3F7;display:block;margin-bottom:12px;letter-spacing:-.01em}
.prom h4{color:#E7EFF9;font-size:.98rem;font-weight:600;margin-bottom:8px;font-family:var(--font-body)}
.prom p{color:#8DA3C0;font-size:.86rem}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(40px,6vw,80px);align-items:start}
.faq-side h2{font-size:clamp(1.8rem,3vw,2.4rem);margin-bottom:18px}
.faq-side p{margin-bottom:26px}
details{border-bottom:1px solid var(--line)}
details:first-of-type{border-top:1px solid var(--line)}
summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4px;cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:1.05rem;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary .pm{width:30px;height:30px;min-width:30px;border:1px solid var(--line);border-radius:50%;position:relative;transition:.3s}
summary .pm::before,summary .pm::after{content:"";position:absolute;background:var(--body);top:50%;left:50%;transform:translate(-50%,-50%)}
summary .pm::before{width:11px;height:1.6px}
summary .pm::after{width:1.6px;height:11px;transition:.3s}
details[open] summary .pm{background:var(--navy);border-color:var(--navy)}
details[open] summary .pm::before{background:#fff}
details[open] summary .pm::after{opacity:0}
details .ans{padding:0 44px 24px 4px;font-size:.95rem}

/* bandeau CTA */
.cta-band{background:var(--navy);border-radius:20px;position:relative;overflow:hidden;padding:clamp(44px,6vw,70px);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 300px at 90% 110%,rgba(0,168,242,.25),transparent 60%)}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.1rem);max-width:24ch;position:relative}
.cta-band p{color:#A7BAD3;margin-top:10px;position:relative;font-size:.98rem}
.cta-band .btn{position:relative}

/* contact */
.contact-bg{background:var(--off);border-top:1px solid var(--line)}
.c-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(40px,6vw,80px)}
.c-left h2{font-size:clamp(1.9rem,3.2vw,2.5rem);margin-bottom:20px}
.c-left>p{margin-bottom:36px;max-width:44ch}
.c-item{display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line);align-items:flex-start}
.c-item svg{width:20px;height:20px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:3px;flex:none}
.c-item b{display:block;font-family:var(--font-head);color:var(--ink);font-size:.95rem;font-weight:600;margin-bottom:2px}
.c-item span{font-size:.92rem}
.cform{background:#fff;border:1px solid var(--line);border-radius:16px;padding:clamp(28px,3.5vw,44px);box-shadow:0 24px 60px rgba(10,27,51,.07)}
.cform h3{font-size:1.2rem;margin-bottom:6px}
.cform .hint{font-size:.88rem;color:var(--faint);margin-bottom:28px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:7px}
input,select,textarea{width:100%;font-family:var(--font-body);font-size:.93rem;color:var(--ink);background:#FBFCFE;border:1px solid #DCE5EE;border-radius:9px;padding:13px 15px;margin-bottom:20px;transition:.2s;-webkit-appearance:none;appearance:none}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,128,240,.12);background:#fff}
.cform .btn-blue{width:100%;justify-content:center}
.cform .small{font-size:.78rem;color:var(--faint);text-align:center;margin-top:14px}
.form-note{border-radius:10px;padding:14px 18px;font-size:.92rem;font-weight:500;margin-bottom:22px;border:1px solid}
.form-note.ok{background:#EDFBF3;border-color:#BDEBD2;color:#176B41}
.form-note.err{background:#FDF1F1;border-color:#F3CBCB;color:#8F2727}

/* ============ FOOTER ============ */
footer{background:var(--navy-deep);color:#8FA4BE;font-size:.92rem}
.f-top{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2fr) minmax(0,3fr);gap:44px;padding:70px 0 54px;border-bottom:1px solid rgba(255,255,255,.08)}
.f-top h4{color:#fff;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;margin-bottom:20px}
.f-top a{display:block;margin-bottom:11px;transition:.2s;font-size:.9rem}
.f-top a:hover{color:#4FC3F7}
.f-brand p{max-width:34ch;margin-top:16px;font-size:.9rem}
.f-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:24px 0;font-size:.8rem;color:#5C7291}

/* ============ RESPONSIVE ============ */
@media(max-width:1020px){
  .hero-in{grid-template-columns:1fr;padding-top:60px}
  .console{max-width:560px}
  .steps{grid-template-columns:1fr 1fr;row-gap:44px}
  .prom-grid,.ov-grid{grid-template-columns:1fr 1fr}
  .sec-head{grid-template-columns:1fr}
  .sec-head .side{justify-self:start}
  .svc{grid-template-columns:54px 1fr}
  .svc h3{grid-column:2}
  .svc p{grid-column:2}
  .svc .arr{display:none}
  .about-grid,.faq-grid,.c-grid{grid-template-columns:1fr}
  .f-top{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .topbar{display:none}
  .menu{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;padding:28px clamp(20px,4vw,48px) 34px;gap:22px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.35s;box-shadow:0 30px 50px rgba(10,27,51,.12);z-index:150}
  .menu.open{transform:none}
  .burger{display:block}
  .nav-cta{display:none}
  .steps{grid-template-columns:1fr;border-left:0}
  .step{border-right:0;border-left:1px solid var(--line);margin-bottom:8px}
  .prom-grid,.ov-grid{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  .about-vals{flex-direction:column;border-top:0}
  .about-vals div{border-right:0;border-top:1px solid var(--line);padding-left:0}
  .cta-band{flex-direction:column;align-items:flex-start}
}