:root{--red:#ff3b30;--ink:#111;--muted:#666;--line:#e7e7e7;--paper:#fff;--soft:#f6f6f4;--max:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.45}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.topline{height:3px;background:#a6d9db}.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:92px;display:grid;grid-template-columns:260px 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:14px}.brand img{width:205px;height:78px;object-fit:contain;object-position:left center}.brand-tag{font-size:10px;line-height:1.15;letter-spacing:.07em;text-transform:uppercase;max-width:86px}.main-nav{display:flex;justify-content:center;align-items:center;gap:34px;white-space:nowrap}.main-nav a{font-size:15px;padding:35px 0 29px;position:relative}.main-nav a:hover,.main-nav a.active{color:var(--red)}.main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:19px;height:2px;background:var(--red)}.header-actions{display:flex;align-items:center;gap:13px;font-size:13px;font-weight:700}.lang-btn{border:0;background:transparent;padding:4px;cursor:pointer;color:#999}.lang-btn.active{color:#111}.sep{color:#bbb}.search-icon{width:30px;height:30px;border-left:1px solid #ddd;margin-left:8px;padding-left:16px;display:flex;align-items:center}.menu-toggle{display:none;background:none;border:0;font-size:24px;padding:8px}
.hero{position:relative;min-height:610px;color:#fff;overflow:hidden;background:#0f4f68}.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:0;transition:opacity 1.1s ease;transform:scale(1.01)}.hero-bg.active{opacity:1}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.50) 0%,rgba(0,0,0,.30) 34%,rgba(0,0,0,.07) 62%,rgba(0,0,0,0) 100%)}.hero-inner{position:relative;z-index:2;min-height:610px;display:flex;align-items:center}.hero-copy{width:min(650px,58%);padding:72px 0}.hero h1,.display{font-family:Impact,'Arial Narrow',Arial,sans-serif;letter-spacing:.01em;text-transform:uppercase;margin:0;line-height:.96}.hero h1{font-size:clamp(54px,6.4vw,96px);max-width:680px}.hero .sub{font-size:25px;font-weight:700;margin:24px 0 12px}.hero p{font-size:19px;max-width:720px;margin:0 0 28px}.cta-row{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;padding:0 25px;border:1px solid transparent;font-weight:800;font-size:14px;text-transform:uppercase;letter-spacing:.01em}.btn.primary{background:var(--red);color:#fff}.btn.primary:hover{background:#e92d23}.btn.ghost{border-color:#fff;color:#fff;background:rgba(0,0,0,.08)}.btn.dark{background:#111;color:#fff}.hero-script{position:absolute;right:2.5%;top:44%;z-index:3;font-family:Georgia,serif;font-style:italic;font-size:35px;line-height:.95;text-align:right;transform:rotate(-5deg);max-width:190px}.hero-script:after{content:"";display:block;width:90px;height:5px;background:var(--red);margin:20px 0 0 auto;transform:rotate(-8deg)}.dots{position:absolute;z-index:3;left:50%;bottom:19px;transform:translateX(-50%);display:flex;gap:10px}.dot{width:10px;height:10px;border-radius:50%;border:1px solid #fff;background:rgba(255,255,255,.45);cursor:pointer}.dot.active{background:var(--red);border-color:var(--red)}
.section{padding:68px 0}.section.tight{padding:48px 0}.section.soft{background:var(--soft)}.section-title{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:42px;line-height:1;margin:0 0 26px}.section-title:after{content:"";display:block;width:42px;height:4px;background:var(--red);margin-top:12px}.lead{font-size:21px;color:#333;max-width:900px}.pillars{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.pillar{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:38px 42px;border-right:1px solid var(--line)}.pillar:last-child{border-right:0}.icon-line{font-size:48px;line-height:1}.pillar h3,.card h3,.feature h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;margin:0 0 8px;font-size:28px}.redline{width:54px;height:4px;background:var(--red);margin:5px 0 12px}.pillar p,.feature p{margin:0;color:#333}.domain-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.small-link{font-size:13px;text-transform:uppercase}.domain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.domain-card{position:relative;min-height:370px;overflow:hidden;background:#222;color:#fff}.domain-card .photo{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .4s ease}.domain-card:hover .photo{transform:scale(1.035)}.domain-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.78))}.domain-card .content{position:absolute;z-index:2;left:22px;right:20px;bottom:18px}.domain-card h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;font-size:27px;text-transform:uppercase;margin:0 0 5px}.domain-card p{margin:0;font-size:14px}.thesis-grid{display:grid;grid-template-columns:1.4fr repeat(5,1fr);align-items:stretch}.thesis-intro{padding:15px 38px 20px 0;border-right:1px solid #ddd}.thesis-intro h2{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:35px;line-height:.98;margin:0 0 18px}.feature{text-align:center;padding:16px 18px;border-right:1px solid #ddd}.feature:last-child{border-right:0}.feature .mini-icon{font-size:35px;margin-bottom:10px}.feature h3{font-size:21px}.feature p{font-size:13px}.process{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;margin-top:30px}.process:before{content:"";position:absolute;left:7%;right:7%;top:22px;height:1px;background:#777}.step{text-align:center;position:relative;padding:0 10px}.step-num{position:relative;z-index:2;margin:0 auto 15px;width:45px;height:45px;border:1px solid #999;border-radius:50%;background:#fff;color:var(--red);display:grid;place-items:center;font-weight:800}.step h4{margin:0 0 4px;font-size:13px;text-transform:uppercase}.step p{margin:0;font-size:13px;color:#444}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.audience{display:grid;grid-template-columns:46% 1fr;gap:24px;align-items:center}.audience-photo{height:190px;background-size:cover;background-position:center}.audience h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;font-size:30px;text-transform:uppercase;margin:0}.audience p{margin:8px 0 16px}.footer-cta{position:relative;background:#064f74;color:white;overflow:hidden}.footer-cta:before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(3,47,72,.92),rgba(3,47,72,.45)),url('../img/nautisme-v9.jpg');background-size:cover;background-position:center}.footer-cta .wrap{position:relative;z-index:2;display:grid;grid-template-columns:250px 1fr;gap:55px;align-items:center;padding:54px 0}.footer-cta h2{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:38px;line-height:1;margin:0;border-right:1px solid rgba(255,255,255,.6);padding-right:40px}.footer-cta p{font-size:16px;margin:0 0 18px}.site-footer{background:#0b0b0b;color:#bbb;padding:28px 0;font-size:12px}.site-footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer a{color:#ddd}.page-hero{padding:90px 0 70px;background:#111;color:#fff}.page-hero h1{font-family:Impact,'Arial Narrow',Arial,sans-serif;font-size:64px;text-transform:uppercase;margin:0 0 16px}.page-hero p{font-size:21px;max-width:850px;margin:0;color:#eee}.content-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px}.copy h2{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:34px}.copy p,.copy li{font-size:17px}.copy ul{padding-left:20px}.aside-box{background:var(--soft);padding:32px}.aside-box h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:28px;margin-top:0}.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.service-card{border:1px solid var(--line);padding:30px;min-height:250px}.service-card h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;font-size:30px;text-transform:uppercase;margin:0 0 10px}.service-card .num{color:var(--red);font-weight:800;font-size:13px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field textarea,.field select{border:1px solid #ccc;padding:13px;background:#fff}.field textarea{min-height:140px;resize:vertical}.note{font-size:12px;color:#666}.form-actions{margin-top:18px}.transport-note{border-left:4px solid var(--red);padding:16px 20px;background:#fff7f6;margin-top:20px}.transport-note strong{display:block;margin-bottom:5px}
@media(max-width:1100px){.header-inner{grid-template-columns:230px 1fr auto}.main-nav{gap:18px}.main-nav a{font-size:13px}.brand-tag{display:none}.domain-grid{grid-template-columns:repeat(2,1fr)}.thesis-grid{grid-template-columns:1fr repeat(3,1fr)}.feature:nth-last-child(-n+2){border-top:1px solid #ddd}.process{grid-template-columns:repeat(3,1fr);row-gap:35px}.process:before{display:none}.hero-copy{width:70%}.hero-script{font-size:29px}}
@media(max-width:820px){.wrap{width:min(100% - 36px,var(--max))}.site-header{position:relative}.header-inner{height:76px;grid-template-columns:1fr auto}.brand img{width:165px;height:64px}.main-nav{position:absolute;left:0;right:0;top:76px;background:white;display:none;flex-direction:column;gap:0;border-top:1px solid #eee;box-shadow:0 12px 24px rgba(0,0,0,.08)}.main-nav.open{display:flex}.main-nav a{width:100%;padding:15px 24px;border-bottom:1px solid #eee}.main-nav a.active:after{display:none}.header-actions{display:none}.menu-toggle{display:block}.hero,.hero-inner{min-height:650px}.hero-copy{width:100%;padding:60px 0 100px}.hero h1{font-size:58px}.hero .sub{font-size:21px}.hero p{font-size:17px}.hero-script{display:none}.pillars{grid-template-columns:1fr}.pillar{border-right:0;border-bottom:1px solid var(--line)}.pillar:last-child{border-bottom:0}.domain-grid{grid-template-columns:1fr}.thesis-grid{grid-template-columns:1fr 1fr}.thesis-intro{grid-column:1/-1;border-right:0;border-bottom:1px solid #ddd;padding-bottom:30px}.feature:nth-child(even){border-right:0}.process{grid-template-columns:1fr 1fr}.audience-grid{grid-template-columns:1fr}.footer-cta .wrap{grid-template-columns:1fr}.footer-cta h2{border-right:0;border-bottom:1px solid rgba(255,255,255,.5);padding:0 0 25px}.content-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr}.page-hero h1{font-size:50px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}
@media(max-width:520px){.hero h1{font-size:46px}.cta-row{flex-direction:column}.btn{width:100%}.process{grid-template-columns:1fr}.audience{grid-template-columns:1fr}.audience-photo{height:220px}.thesis-grid{grid-template-columns:1fr}.feature{border-right:0;border-bottom:1px solid #ddd}.domain-head{align-items:flex-start;flex-direction:column}.section-title{font-size:36px}}

/* V9: readable controls, accessible navigation and compact legal page. */
:root{--red:#cf3027}
.btn{cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}
:focus-visible{outline:3px solid #087a9b;outline-offset:4px}
.skip-link{position:fixed;top:-100px;left:16px;background:#fff;color:#111;padding:14px 20px;z-index:100}
.skip-link:focus{top:8px}
.lang-btn{min-width:36px;min-height:44px;color:#626262}
.dot{width:28px;height:28px;background:transparent;border:0;position:relative}
.dot:after{content:"";position:absolute;width:10px;height:10px;background:#fff;border-radius:50%;inset:9px}
.dot.active{background:transparent}.dot.active:after{background:#ff675e}
.hero:after{background:linear-gradient(90deg,rgba(0,0,0,.50) 0%,rgba(0,0,0,.30) 34%,rgba(0,0,0,.07) 62%,rgba(0,0,0,0) 100%)}
.hero h1{font-size:clamp(42px,5.8vw,82px)}
.form-intro{padding:18px;background:var(--soft);border-left:3px solid #087a9b;margin:0 0 26px}
.field input,.field select,.field textarea{width:100%;min-width:0;border-radius:3px}
.note{font-size:14px;line-height:1.6}.note a,.legal-copy a{text-decoration:underline;text-underline-offset:3px}
#form-status:not(:empty){padding:16px;background:#edf7f1;border-left:3px solid #28764e}
.legal-copy{max-width:850px}.legal-section{padding:18px 0;border-bottom:1px solid var(--line);scroll-margin-top:115px}
.legal-section h2{font-size:23px;margin:0 0 12px}.legal-section p{line-height:1.75;margin:0 0 12px;overflow-wrap:anywhere}
.legal-status{background:var(--soft);padding:16px;margin-top:0}.page-hero h1{font-size:clamp(36px,5vw,64px);overflow-wrap:anywhere}
.faq-title{margin-top:48px}details{border-bottom:1px solid #ccc;padding:18px 0}summary{cursor:pointer;font-weight:700;font-size:18px}details p{max-width:850px;line-height:1.7}
.service-card{min-height:0}.service-card p{line-height:1.7}
@media(max-width:1100px) and (min-width:821px){.header-inner{grid-template-columns:180px 1fr auto;gap:12px}.brand img{width:175px}.main-nav{gap:12px}.header-actions{gap:3px}}
@media(max-width:820px){.header-inner{grid-template-columns:1fr auto auto;gap:8px}.header-actions{display:flex;gap:0}.main-nav{top:76px}.hero h1{font-size:clamp(40px,8vw,62px)}.hero-copy{width:100%}.hero,.hero-inner{min-height:580px}.hero-copy{padding:56px 0 76px}.page-hero{padding:48px 0}.content-grid{gap:28px}.section{padding:44px 0}.legal-section{scroll-margin-top:20px}}
@media(max-width:380px){.wrap{width:calc(100% - 28px)}.brand img{width:130px}.lang-btn{min-width:30px}.header-inner{gap:4px}.pillar{padding:28px 12px;grid-template-columns:44px 1fr;gap:14px}.btn{padding:12px 16px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.hero-bg:first-child{background-position:65% center}@media(max-width:820px){.hero-bg:first-child{background-position:68% center}}

/* V10: domain-specific service expertise */
.domain-services{background:#fff}.domain-service-list{display:grid;gap:28px;margin-top:34px}.domain-service-block{display:grid;grid-template-columns:34% 1fr;border:1px solid var(--line);scroll-margin-top:115px;background:#fff}.domain-service-photo{min-height:390px;background-size:cover;background-position:center}.domain-service-copy{padding:32px 36px}.domain-service-copy h3{font-family:Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase;font-size:34px;margin:0 0 6px}.domain-service-copy h4{font-size:13px;text-transform:uppercase;letter-spacing:.04em;margin:22px 0 10px;color:#555}.domain-service-copy ul{margin:0;padding-left:20px}.domain-service-copy li{margin:7px 0;line-height:1.55}.partner-note{margin:18px 0 0;padding:13px 15px;background:var(--soft);font-size:14px;border-left:3px solid var(--red)}
@media(max-width:820px){.domain-service-block{grid-template-columns:1fr;scroll-margin-top:20px}.domain-service-photo{min-height:240px}.domain-service-copy{padding:25px 22px}}

/* V13: brand descriptor in existing V12 direction */
.brand-descriptor{border-left:1px solid #cfcfcf;padding-left:14px;font-size:10px;line-height:1.25;letter-spacing:.075em;text-transform:uppercase;font-weight:700;white-space:nowrap;color:#222}
@media(max-width:1100px){.brand-descriptor{display:none}}

.btn.whatsapp{background:#25d366;color:#0a2e18}.btn.whatsapp:hover{background:#1fba58}.btn.whatsapp svg{flex:0 0 auto}.contact-label{margin:0 0 4px}.contact-line{margin:0 0 16px;font-size:17px}[data-contact-block]{margin-top:4px}.section-cta{margin-top:38px;text-align:center}

.wa-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--soft);border-left:4px solid #25d366;padding:20px 24px;margin-bottom:30px}.wa-banner-copy strong{display:block;font-size:17px;margin-bottom:3px}.wa-banner-copy span{font-size:14px;color:#444}.wa-banner-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.contact-mail{font-weight:700;font-size:15px;white-space:nowrap}@media(max-width:520px){.wa-banner-actions{width:100%}.wa-banner-actions .btn{width:100%}}