:root{--navy:#0a2444;--navy2:#12375a;--cyan:#088bc5;--blue:#158ed3;--teal:#62bfc2;--mint:#eaf8f8;--ice:#f3f9fb;--white:#fff;--ink:#122a41;--muted:#60788a;--line:#dce9ee;--wrap:1190px;--rad:16px;--shadow:0 14px 38px rgba(7,40,67,.08)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}body{margin:0;color:var(--ink);background:#fff;font-family:'Segoe UI',Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}*:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.wrap{width:min(var(--wrap),calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px;left:8px;z-index:999;background:#fff;padding:12px}.skip:focus{top:5px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-in{min-height:94px;display:flex;align-items:center;gap:26px}.logo{display:flex;align-items:center;flex-shrink:0}.logo img{width:83px;height:83px;object-fit:contain}.site-nav{display:flex;gap:24px;margin-left:auto;align-items:center}.site-nav a{font-size:13px;font-weight:650;white-space:nowrap;color:#28465a;position:relative}.site-nav a:hover,.site-nav a.active{color:var(--cyan)}.site-nav a.active:after{position:absolute;content:'';height:2px;left:0;bottom:-10px;right:0;background:var(--cyan)}.menu-toggle{display:none;background:white;border:1px solid var(--line);border-radius:8px;font-size:20px;padding:6px 12px;color:var(--navy)}.cta{display:inline-flex;align-items:center;justify-content:center;gap:17px;background:linear-gradient(105deg,#47b7c5,#0a90cb);border-radius:999px;border:1px solid transparent;color:white;font-weight:750;padding:13px 22px;font-size:13px;white-space:nowrap;box-shadow:0 8px 22px rgba(0,145,191,.12);transition:transform .18s ease,box-shadow .18s}.cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,145,191,.20)}.cta.light{background:#fff;color:#0d669a}.cta.outline{background:transparent;border:1px solid #92cbdc;color:#0879a6;box-shadow:none}.nav-cta{margin-left:10px}.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:11px;font-weight:800;color:#158dae}.overline{display:block;color:#168dae;letter-spacing:.16em;font-size:11px;font-weight:750;text-transform:uppercase;margin-bottom:12px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,'Times New Roman',serif;color:var(--navy);font-weight:700;letter-spacing:-.035em}h1{font-size:clamp(43px,4.6vw,66px);line-height:1.12;margin-bottom:25px}h2{font-size:clamp(32px,3.25vw,46px);line-height:1.18;margin-bottom:19px}h3{font-size:20px;line-height:1.32;margin-bottom:10px}h1 em,h2 em{font-style:normal;color:#139ac4}.lead{font-size:16px;color:#556e82;line-height:1.8;max-width:630px}.hero{background:radial-gradient(circle at 3% 20%,#effafc,transparent 47%),white}.hero-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:62px;padding-block:64px 76px}.hero-copy .eyebrow{margin-bottom:22px}.hero-copy .lead{max-width:540px}.actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:32px}.photo-mosaic{position:relative;display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);gap:9px;aspect-ratio:1.09;border-radius:22px;overflow:hidden;background:#ddedef;box-shadow:var(--shadow)}.photo-mosaic img{height:100%;width:100%;object-fit:cover;min-height:0}.photo-mosaic .mosaic-caption{position:absolute;left:16px;bottom:15px;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.96);padding:10px 15px;border-radius:9px;color:#1e5776;font-weight:700;font-size:11px;box-shadow:0 10px 25px #0001}.signals{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.signals article{display:flex;gap:13px;align-items:center;padding:27px 20px}.signals article+article{border-left:1px solid var(--line)}.symbol{width:48px;height:48px;display:grid;place-items:center;background:#e9f7fa;border-radius:50%;color:#0c94ba;flex-shrink:0;font-size:23px}.signals strong{display:block;font-weight:750;color:var(--navy);line-height:1.35}.signals small{display:block;color:#668496;font-size:12px}.section{padding-block:95px}.soft{background:var(--ice)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:34px}.section-head p{max-width:370px;color:var(--muted);margin:0}.services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{background:#fff;display:block;border-radius:15px;border:1px solid var(--line);overflow:hidden;transition:transform .2s,box-shadow .2s}.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.service-card img{width:100%;height:178px;object-fit:cover}.service-info{padding:20px 21px 25px}.service-info h3{font-size:18px;min-height:47px}.service-info p{font-size:13px;color:var(--muted);min-height:74px}.arrow-link{display:inline-flex;align-items:center;gap:15px;color:#087da8;font-weight:800;font-size:13px}.split{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.split .wide-photo{height:450px;width:100%;object-fit:cover;border-radius:16px}.text-block p{color:#587183}.text-block ul{padding-left:20px;color:#557187}.text-block li{margin-bottom:10px}.stat-line{display:flex;gap:20px;align-items:baseline;border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.stat-line strong{font-family:Georgia,serif;font-size:39px;color:var(--cyan)}.stat-line span{color:#5f7c90;font-size:13px}.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.value{border:1px solid var(--line);border-radius:14px;padding:27px 26px 30px;background:white}.value .symbol{margin-bottom:22px}.value p{font-size:14px;color:var(--muted);margin-bottom:0}.national{background:linear-gradient(112deg,#073759,#136f90);color:white;padding:50px 0}.national .wrap{display:flex;align-items:center;justify-content:space-between;gap:45px}.national h2{color:white;margin:10px 0 10px}.national p{max-width:760px;color:#d5ecf5;margin:0}.national .eyebrow{color:#99e5e7}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.steps article{border-top:1px solid #bad6e2;padding-top:20px}.step-n{color:#199cc1;font-size:30px;font-family:Georgia,serif}.steps p{color:var(--muted);font-size:14px}.cta-strip{background:#eaf7f8;border-radius:20px;padding:44px;display:flex;gap:40px;align-items:center;justify-content:space-between}.cta-strip p{margin-bottom:0;color:#577789}.site-footer{background:#082b48;color:white;padding-top:55px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:65px;padding-bottom:45px}.footer-grid img{width:100px;height:100px;object-fit:contain;background:transparent}.footer-grid h3{font-size:14px;margin:10px 0 16px;color:white}.footer-grid p{font-size:13px;color:#c3d8e4}.footer-grid a{display:block;color:#d4e5ee;margin-bottom:11px;font-size:13px}.footer-grid a:hover{color:#91e4ee}.footer-bottom{border-top:1px solid #3a6178;padding:19px 0;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#b8d4df}.inner-hero{background:linear-gradient(105deg,#ecf9fb,#f7fbfd);padding-block:74px 80px}.inner-hero h1{font-size:clamp(43px,4vw,58px);margin:14px 0}.inner-hero .lead{max-width:750px}.inner-hero.center{text-align:center}.inner-hero.center .lead{margin-inline:auto}.service-detail{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:72px;padding:48px 0;border-bottom:1px solid var(--line)}.service-detail:nth-child(even) .service-detail-photo{order:2}.service-detail img{width:100%;height:335px;object-fit:cover;border-radius:15px}.service-detail p{color:#557285}.ticks{list-style:none;margin:20px 0 27px;padding:0;display:grid;gap:8px}.ticks li{padding-left:27px;position:relative;color:#4d6b7d;font-size:14px}.ticks li:before{content:'✓';position:absolute;left:0;top:0;color:#0b95be;font-weight:800}.info-banner{border-radius:15px;background:#f0f8fa;padding:28px 32px;color:#41677b}.company-photo{min-height:370px;border-radius:15px;overflow:hidden}.company-photo img{height:390px;width:100%;object-fit:cover}.stat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.stat-card{background:#f0f8fb;border-radius:13px;padding:24px}.stat-card strong{font-size:26px;color:#138eb7}.stat-card p{font-size:13px;color:#5d788a;margin:4px 0 0}.principles{display:grid;grid-template-columns:1fr 1fr;gap:18px}.principles article{padding:30px;border:1px solid var(--line);border-radius:15px}.principles p{color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.77fr 1.23fr;gap:62px;align-items:start}.contact-aside{padding:10px 0}.contact-aside p{color:#60798a}.contact-aside .fact{padding:22px 0;border-top:1px solid var(--line)}.contact-aside strong{display:block;color:var(--navy)}.contact-aside small{color:var(--muted)}.form-card{border:1px solid var(--line);box-shadow:var(--shadow);border-radius:17px;padding:35px;background:#fff}.form-card h2{font-size:30px;margin-bottom:10px}.form-card>p{color:var(--muted);font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px 20px;margin-top:26px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label,.check-label{color:#29495b;font-weight:700;font-size:13px}.field input,.field select,.field textarea{width:100%;border:1px solid #ccdfe6;border-radius:9px;background:white;padding:13px 14px;outline:none;color:#203b50;font-size:14px;transition:border .18s,box-shadow .18s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(9,148,201,.13)}.field textarea{resize:vertical;min-height:125px}.hint{font-size:11px;color:#78909f}.check-line{display:flex;align-items:flex-start;gap:10px;margin-top:22px}.check-line input{margin-top:6px;accent-color:#078db3}.check-line label{font-size:12px;color:#60798a}.check-line label a{text-decoration:underline;color:#0a7fa9}.send{margin-top:24px;width:100%;border:0}.message{padding:13px 17px;border-radius:9px;margin:20px 0;font-size:13px}.message.success{background:#e6f7f1;color:#135d46}.message.error{background:#fff0eb;color:#8e3b29}.privacy-note{font-size:11px;color:#7891a1;margin:15px 0 0}.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.legal{max-width:900px}.legal h2{font-size:27px;margin-top:36px}.legal p,.legal li{color:#5e7889}.legal .warning{background:#fff5e8;color:#84572e;border:1px solid #efdbb9;padding:18px;border-radius:9px}.subtle-img{background:linear-gradient(125deg,#c7eef0,#effaff)}
@media(max-width:1080px){.header-in{gap:15px}.site-nav{gap:13px}.site-nav a{font-size:12px}.nav-cta{padding:11px 15px}.hero-layout{gap:38px}.services{gap:12px}.service-card img{height:150px}.service-info{padding:17px}.service-info h3{font-size:16px}.split{gap:50px}}
@media(max-width:830px){.header-in{height:84px;min-height:84px}.menu-toggle{display:block;margin-left:auto}.site-nav{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;padding:22px 6%;flex-direction:column;align-items:stretch;gap:18px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px #1233}.site-nav.open{display:flex}.site-nav a{font-size:15px}.site-nav a.active:after{display:none}.nav-cta{display:none}.hero-layout{grid-template-columns:1fr;gap:35px;padding-block:50px 66px}.photo-mosaic{max-width:630px;margin-inline:auto}.services{grid-template-columns:repeat(2,1fr)}.service-card img{height:210px}.service-info h3,.service-info p{min-height:0}.signals article{padding:23px 12px}.split,.contact-grid{grid-template-columns:1fr}.split .wide-photo{height:360px}.footer-grid{gap:35px}.service-detail{gap:28px}.principles{grid-template-columns:1fr}}
@media(max-width:570px){.wrap{width:calc(100% - 36px)}.logo img{width:72px;height:72px}.hero-layout{padding-top:36px}.hero-copy h1{font-size:clamp(39px,10vw,56px)}.lead{font-size:14px}.eyebrow{font-size:10px;letter-spacing:.14em}.photo-mosaic{aspect-ratio:1.02}.signals{grid-template-columns:1fr}.signals article{padding:15px 3px}.signals article+article{border-left:none;border-top:1px solid var(--line)}.section{padding-block:61px}.section-head{display:block}.section-head p{margin-top:20px}.services{grid-template-columns:1fr}.service-card img{height:205px}.service-info p{margin-bottom:17px}.split{gap:35px}.split .wide-photo{height:300px}.values,.steps,.stat-cards{grid-template-columns:1fr}.national .wrap,.cta-strip{display:block}.national .cta,.cta-strip .cta{margin-top:25px}.cta-strip{padding:28px}.footer-grid{grid-template-columns:1fr;gap:17px}.footer-bottom{flex-direction:column}.inner-hero{padding-block:56px}.service-detail{display:flex;flex-direction:column;gap:20px;padding-block:32px}.service-detail:nth-child(even) .service-detail-photo{order:0}.service-detail img{height:250px}.contact-grid{gap:28px}.form-card{padding:25px 19px}.form-grid{grid-template-columns:1fr}.form-card h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* Accueil allégé : les photographies n'apparaissent que dans « Nos prestations ». */
.hero{background:radial-gradient(circle at 92% 22%,rgba(94,190,199,.14),transparent 32%),linear-gradient(115deg,#f0fafb 0%,#ffffff 82%)}
.hero-layout-clean{display:block;max-width:1190px;padding-block:84px 94px}
.hero-copy-wide{max-width:865px}
.hero-copy-wide .lead{max-width:740px}
.hero-copy-wide h1{max-width:790px}
@media(max-width:830px){.hero-layout-clean{padding-block:62px 72px}}
@media(max-width:570px){.hero-layout-clean{padding-block:45px 55px}}

/* Coordonnées MELFERS accessibles depuis toutes les pages */
.footer-email{font-weight:650;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.direct-email{margin:18px 0 24px;padding:14px 16px;border-radius:12px;background:#eaf8fb;color:#123a50;font-size:15px}
.direct-email a{color:#007e9a;font-weight:700;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}

/* Accès direct aux sections, visible aussi sur les petits écrans. */
.site-nav{display:flex;flex-wrap:wrap;gap:12px 20px}
section[id]{scroll-margin-top:140px}
@media(max-width:1080px){.header-in{flex-wrap:wrap;height:auto;min-height:94px;padding-block:8px}.header-in .site-nav{display:flex;position:static;order:3;flex:1 0 100%;margin:0;padding:8px 0;flex-direction:row;justify-content:center;align-items:center;background:transparent;border:0;box-shadow:none;gap:12px 20px}.site-nav a{font-size:13px}.menu-toggle{display:none}.nav-cta{display:inline-flex;margin-left:auto}.site-nav a.active:after{display:none}}
@media(max-width:570px){.header-in .site-nav{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px}.site-nav a{padding:8px 0;text-align:center}.nav-cta{padding:10px 14px;font-size:12px}section[id]{scroll-margin-top:200px}}

/* Lettrage original du logo dans le bandeau national. */
.national .melfers-wordmark{display:inline-block;width:4.8em;height:1.6em;vertical-align:-.28em;background:linear-gradient(110deg,#79c5c8 0%,#62b9cc 40%,#479fce 72%,#248bc5 100%);-webkit-mask:url("assets/melfers-lettrage-hd.webp") center/contain no-repeat;mask:url("assets/melfers-lettrage-hd.webp") center/contain no-repeat}