/* SCMS Architecture & Construction — direction premium */
:root{
  --ink:#10222F;        /* bleu nuit, dérivé du bleu du logo */
  --ink-2:#173244;
  --steel:#2D5C76;      /* bleu du logo */
  --gold:#FAB623;       /* jaune du logo */
  --gold-soft:#E9C877;
  --gold-ink:#9A6A00;
  --ivory:#F7F4EE;
  --stone:#ECE6DB;
  --text:#1D2730;
  --muted:#5F6A73;
  --line:#E2DCD1;
  --white:#fff;
  --max:1240px;
  --display:"Cormorant Garamond", Georgia, "Times New Roman", serif;
  --label:"Montserrat", "Inter", system-ui, sans-serif;
  --sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--white);line-height:1.7;font-size:16.5px;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max),100% - 48px);margin-inline:auto}

h1,h2{font-family:var(--display);font-weight:500;line-height:1.05;margin:0 0 .45em;color:var(--ink);letter-spacing:-.005em}
h1{font-size:clamp(2.8rem,7vw,5.6rem)}
h2{font-size:clamp(2.2rem,4.4vw,3.6rem)}
h1 em,h2 em{font-style:italic;color:var(--steel)}
h3{font-family:var(--label);font-weight:600;font-size:1.02rem;letter-spacing:.02em;margin:0 0 .5em;color:var(--ink)}
p{margin:0 0 1em}
.eyebrow{display:inline-flex;align-items:center;gap:14px;font-family:var(--label);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-ink);font-weight:600;margin-bottom:1.4em}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor}
.lead{font-size:1.1rem;color:var(--muted);max-width:600px;font-weight:300}
.section{padding:clamp(80px,11vw,150px) 0}
.section--ivory{background:var(--ivory)}
.section--ink{background:var(--ink);color:#B9C4CD}
.section--ink h2,.section--ink h3{color:var(--white)}
.section--ink h2 em{color:var(--gold-soft)}
.section--ink .eyebrow,.hero .eyebrow,.page-hero .eyebrow{color:var(--gold-soft)}
.section-head{max-width:760px;margin-bottom:clamp(48px,6vw,80px)}
.section-head--row{max-width:none;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px}
.center{text-align:center;margin-inline:auto}

/* Boutons */
.btn{display:inline-flex;align-items:center;gap:.7em;padding:1.05em 1.9em;border-radius:2px;font-family:var(--label);font-weight:600;text-decoration:none;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;transition:background .25s ease,color .25s ease,border-color .25s ease;border:1px solid transparent;cursor:pointer}
.btn svg{width:16px;height:16px;flex:none}
.btn--gold{background:var(--gold);color:var(--ink)}
.btn--gold:hover{background:var(--white)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:var(--white)}
.btn--ghost:hover{background:var(--white);color:var(--ink)}
.btn--ink{background:var(--ink);color:var(--white)}
.btn--ink:hover{background:var(--steel)}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--white)}
.link{font-family:var(--label);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;text-decoration:none;color:var(--ink);display:inline-flex;gap:.6em;align-items:center;border-bottom:1px solid var(--gold);padding-bottom:4px}
.link:hover{color:var(--steel)}
.link svg{width:15px;height:15px}

/* En-tête : transparent sur la vidéo, blanc au défilement */
.header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s ease,box-shadow .3s ease}
.header .container{display:flex;align-items:center;justify-content:space-between;height:84px}
.header.is-solid,.header--solid{background:rgba(255,255,255,.98);box-shadow:0 1px 0 var(--line)}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:48px;width:auto}
.brand__light{display:none}
.header:not(.is-solid):not(.header--solid) .brand__dark{display:none}
.header:not(.is-solid):not(.header--solid) .brand__light{display:block}
.nav{display:flex;align-items:center;gap:34px}
.nav a{text-decoration:none;font-family:var(--label);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--ink)}
.header:not(.is-solid):not(.header--solid) .nav>a:not(.btn){color:var(--white)}
.nav>a:not(.btn):hover,.nav a[aria-current="page"]{color:var(--gold-ink)!important}
.header:not(.is-solid):not(.header--solid) .nav>a:not(.btn):hover{color:var(--gold)!important}
.nav .btn{padding:.9em 1.4em}
.menu-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--ink)}
.header:not(.is-solid):not(.header--solid) .menu-toggle{color:var(--white)}
.menu-toggle svg{width:28px;height:28px}
@media (max-width:960px){
  .menu-toggle{display:block}
  .nav{position:fixed;inset:84px 0 auto 0;background:var(--white);flex-direction:column;align-items:flex-start;padding:28px 24px 36px;gap:22px;box-shadow:0 16px 30px rgba(16,34,47,.12);transform:translateY(-130%);transition:transform .3s ease;visibility:hidden}
  .nav.is-open{transform:none;visibility:visible}
  .nav>a:not(.btn){color:var(--ink)!important;font-size:.85rem}
}

/* Hero vidéo plein écran */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:#D7DEE4;overflow:hidden;background:var(--ink)}
.hero__media{position:absolute;inset:0}
.hero__media img,.hero__media video{width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,34,47,.55) 0%,rgba(16,34,47,.05) 30%,rgba(16,34,47,.25) 55%,rgba(16,34,47,.88) 100%)}
.hero .container{position:relative;z-index:1;padding:160px 0 clamp(56px,8vw,96px)}
.hero h1{color:var(--white);max-width:900px}
.hero h1 em{color:var(--gold)}
.hero .lead{color:#D0D8DF;margin-bottom:2.2em;max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}
.hero__scroll{position:absolute;right:24px;bottom:36px;z-index:1;writing-mode:vertical-rl;font-family:var(--label);font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(255,255,255,.7);display:flex;align-items:center;gap:14px}
.hero__scroll::after{content:"";width:1px;height:56px;background:rgba(255,255,255,.5)}
@media (max-width:700px){.hero__scroll{display:none}}

.page-hero{position:relative;background:var(--ink);color:#C3CDD5;overflow:hidden}
.page-hero__media{position:absolute;inset:0;opacity:.35}
.page-hero__media img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,34,47,.95) 0%,rgba(16,34,47,.6) 100%)}
.page-hero .container{position:relative;z-index:1;padding:clamp(170px,20vw,230px) 0 clamp(70px,9vw,110px)}
.page-hero h1{color:var(--white);max-width:860px}
.page-hero h1 em{color:var(--gold)}
.page-hero .lead{color:#C3CDD5}

/* Bande chiffres */
.figures{background:var(--ink);color:#B9C4CD;border-top:1px solid rgba(255,255,255,.08)}
.figures .container{display:grid;grid-template-columns:repeat(4,1fr)}
.figure{padding:40px 28px;border-left:1px solid rgba(255,255,255,.08)}
.figure:first-child{border-left:0;padding-left:0}
.figure strong{display:block;font-family:var(--display);font-weight:500;font-size:2.8rem;color:var(--white);line-height:1}
.figure strong span{color:var(--gold)}
.figure small{font-family:var(--label);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase}
@media (max-width:800px){.figures .container{grid-template-columns:1fr 1fr}.figure{padding:28px 18px}.figure:nth-child(3){border-left:0;padding-left:0}}

/* Grilles */
.grid{display:grid;gap:28px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.grid--4{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}

/* Expertises — liste éditoriale numérotée */
.expertise{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.expertise article{padding:36px 30px 10px 0;border-right:1px solid var(--line);margin-right:30px}
.expertise article:last-child{border-right:0;margin-right:0}
.expertise .num{font-family:var(--display);font-size:1.1rem;color:var(--gold-ink);font-style:italic;display:block;margin-bottom:28px}
.expertise h3{font-family:var(--display);font-weight:500;font-size:1.75rem;letter-spacing:0;margin-bottom:.4em}
.expertise p{color:var(--muted);font-size:.97rem}
@media (max-width:1000px){.expertise{grid-template-columns:1fr 1fr}.expertise article:nth-child(2){border-right:0;margin-right:0}}
@media (max-width:600px){.expertise{grid-template-columns:1fr}.expertise article{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding:28px 0}}

/* Étapes */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{padding:0 28px 0 0;position:relative}
.step__n{font-family:var(--display);font-size:4rem;line-height:1;color:var(--gold);display:block;margin-bottom:18px;font-weight:500}
.step::before{content:"";position:absolute;top:32px;left:72px;right:20px;height:1px;background:var(--line)}
.step:last-child::before{display:none}
.step h3{font-family:var(--label);text-transform:uppercase;letter-spacing:.16em;font-size:.78rem}
.step p{color:var(--muted);font-size:.97rem}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;gap:40px 0}.step::before{display:none}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px);align-items:center}
.split--rev .split__media{order:2}
@media (max-width:900px){.split{grid-template-columns:1fr}.split--rev .split__media{order:0}}
.checklist{list-style:none;padding:0;margin:0 0 2.2em;display:grid;gap:14px}
.checklist li{position:relative;padding-left:30px}
.checklist li::before{content:"";position:absolute;left:0;top:.75em;width:16px;height:1px;background:var(--gold)}

/* Photos */
.photo{position:relative;overflow:hidden;background:var(--stone);aspect-ratio:4/3}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.photo:hover img{transform:scale(1.03)}
.photo--tall{aspect-ratio:4/5}
.photo--frame{box-shadow:24px 24px 0 var(--stone)}
.section--ink .photo--frame{box-shadow:24px 24px 0 var(--ink-2)}
.photo--placeholder{background:repeating-linear-gradient(135deg,rgba(45,92,118,.07) 0 1px,transparent 1px 16px),var(--stone);display:grid;place-items:center;text-align:center;padding:20px}
.photo--placeholder span{font-family:var(--label);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--steel);border:1px solid rgba(45,92,118,.35);padding:.7em 1.1em}

/* Collections (gammes) */
.collections{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--white)}
.collection{padding:44px 32px;border-right:1px solid var(--line);display:flex;flex-direction:column;transition:background .3s ease}
.collection:last-child{border-right:0}
.collection:hover{background:var(--ivory)}
.collection__label{font-family:var(--label);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-ink);font-weight:600}
.collection__name{font-family:var(--display);font-size:2.2rem;color:var(--ink);line-height:1.1;margin:.5em 0 .2em}
.collection__price{font-family:var(--label);font-size:.86rem;color:var(--steel);font-weight:600;margin-bottom:1.2em}
.collection p{color:var(--muted);font-size:.95rem;flex:1}
.collection .link{margin-top:20px;align-self:flex-start}
.collection--featured{background:var(--ink)}
.collection--featured:hover{background:var(--ink-2)}
.collection--featured .collection__name{color:var(--white)}
.collection--featured .collection__price{color:var(--gold)}
.collection--featured p{color:#AEBAC4}
.collection--featured .collection__label{color:var(--gold-soft)}
.collection--featured .link{color:var(--white)}
@media (max-width:1000px){.collections{grid-template-columns:1fr 1fr}.collection:nth-child(2){border-right:0}.collection:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:600px){.collections{grid-template-columns:1fr}.collection{border-right:0;border-bottom:1px solid var(--line)}}

/* Manifeste */
.manifesto{text-align:center;max-width:920px;margin-inline:auto}
.manifesto blockquote{margin:0;font-family:var(--display);font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.25;color:var(--ink);font-weight:500}
.manifesto blockquote em{color:var(--steel)}
.manifesto cite{display:block;margin-top:28px;font-style:normal;font-family:var(--label);font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold-ink)}

/* Réalisations */
.project{position:relative;overflow:hidden;background:var(--ink);color:var(--white);text-decoration:none;display:block}
.project .photo{aspect-ratio:4/5}
.project__body{position:absolute;inset:auto 0 0 0;padding:28px 26px;background:linear-gradient(0deg,rgba(16,34,47,.9),rgba(16,34,47,0))}
.project__body h3{font-family:var(--display);font-weight:500;font-size:1.7rem;color:var(--white);margin:0 0 .15em;letter-spacing:0}
.project__meta{font-family:var(--label);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:#C8D1D8}
.tag{display:inline-block;font-family:var(--label);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--gold);margin-bottom:8px}
.project .photo--placeholder span{color:#C8D1D8;border-color:rgba(255,255,255,.25)}
.project .photo--placeholder{background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 16px),var(--ink-2)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:40px}
.filters button{font-family:var(--label);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;background:none;border:1px solid var(--line);padding:.95em 1.3em;border-radius:2px;cursor:pointer;color:var(--ink)}
.filters button.is-active{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* Cartes (pages internes) */
.feature{padding:36px 0 0;border-top:1px solid var(--line)}
.feature .num{font-family:var(--display);font-style:italic;color:var(--gold-ink);display:block;margin-bottom:16px}
.feature h3{font-family:var(--display);font-weight:500;font-size:1.65rem;letter-spacing:0}
.feature p{color:var(--muted);font-size:.97rem}
.section--ink .feature{border-color:rgba(255,255,255,.12)}
.section--ink .feature p{color:#AEBAC4}
.section--ink .feature .num{color:var(--gold-soft)}

.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.pill{border:1px solid var(--line);color:var(--ink);padding:.6em 1.1em;font-family:var(--label);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600}

/* CTA */
.cta{position:relative;overflow:hidden;background:var(--ink);color:#B9C4CD;padding:clamp(56px,8vw,100px) clamp(28px,6vw,90px);display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.cta::before{content:"";position:absolute;inset:18px;border:1px solid rgba(250,182,35,.25);pointer-events:none}
.cta h2{color:var(--white);margin-bottom:.3em}
.cta h2 em{color:var(--gold)}
.cta p{margin:0;font-weight:300}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative}
@media (max-width:860px){.cta{grid-template-columns:1fr}.cta__actions{justify-content:flex-start}}

/* Contact */
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:26px}
.contact-list li{display:grid;grid-template-columns:120px 1fr;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.contact-list strong{font-family:var(--label);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-ink);padding-top:.35em}
.contact-list a{text-decoration:none}
.contact-list a:hover{color:var(--steel)}
@media (max-width:520px){.contact-list li{grid-template-columns:1fr;gap:4px}}
.map{overflow:hidden;min-height:420px;background:var(--stone)}
.map iframe{width:100%;height:100%;min-height:420px;border:0;display:block;filter:grayscale(.6) contrast(1.05)}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:24px 0}
.faq summary{cursor:pointer;font-family:var(--display);font-size:1.45rem;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:16px;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-ink);font-family:var(--sans);font-weight:300;font-size:1.6rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);margin:.9em 0 0}

/* Pied de page */
.footer{background:var(--ink);color:#93A1AD;padding:90px 0 32px;font-size:.93rem}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
@media (max-width:900px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer__grid{grid-template-columns:1fr}}
.footer h4{font-family:var(--label);color:var(--white);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;margin:0 0 20px;font-weight:600}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer a{text-decoration:none}
.footer a:hover{color:var(--gold)}
.footer .brand{margin-bottom:22px}
.footer .brand img{height:54px}
.footer__tagline{font-family:var(--display);font-style:italic;font-size:1.35rem;color:var(--white)}
.socials{display:flex;gap:10px;margin-top:22px}
.socials a{width:40px;height:40px;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center}
.socials a:hover{border-color:var(--gold);color:var(--gold)}
.socials svg{width:16px;height:16px}
.footer__bottom{margin-top:64px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.8rem}

/* WhatsApp flottant, discret */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:54px;height:54px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.22);transition:transform .2s ease}
.wa-float:hover{transform:translateY(-2px)}
.wa-float svg{width:27px;height:27px}

/* Apparition */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s ease,transform .9s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.photo img{transition:none}}