/* =====================================================================
   FUSION POWER — Société d'études et travaux électriques
   Premium industrial / Industrie 4.0 design system
   ===================================================================== */

/* ----------  DESIGN TOKENS  ---------- */
:root{
  /* Palette */
  --white:#ffffff;
  --gray-50:#f5f7fa;
  --gray-100:#eef1f6;
  --gray-200:#e2e7ee;
  --gray-300:#cbd3dd;
  --gray:#6c757d;          /* gris industriel */
  --gray-700:#3d444d;
  --ink:#111111;           /* noir profond */
  --ink-90:rgba(17,17,17,.9);
  --red:#e30613;           /* rouge énergique */
  --red-dark:#b8040f;
  --blue:#0066cc;          /* bleu électrique */
  --blue-dark:#014a99;
  --teal:#2f9e8f;          /* rappel logo */
  --green:#5cae5a;

  /* Typographic scale (fluid) */
  --fs-hero:clamp(2.75rem, 7vw, 6.5rem);
  --fs-h1:clamp(2.25rem, 5vw, 4.25rem);
  --fs-h2:clamp(1.9rem, 3.6vw, 3rem);
  --fs-h3:clamp(1.25rem, 2vw, 1.6rem);
  --fs-lead:clamp(1.05rem, 1.5vw, 1.3rem);

  /* Layout */
  --maxw:1280px;
  --gutter:clamp(1.25rem, 5vw, 5rem);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;

  /* Motion */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.3s;
  --t-med:.45s;
  --t-slow:.6s;

  /* Shadows */
  --shadow-sm:0 2px 10px rgba(17,17,17,.05);
  --shadow:0 10px 40px -12px rgba(17,17,17,.14);
  --shadow-lg:0 30px 70px -24px rgba(17,17,17,.28);

  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-display:"Manrope",var(--font-body);
}

/* ----------  RESET  ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.05;font-weight:800;letter-spacing:-.02em}
::selection{background:var(--red);color:#fff}

/* Lenis */
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}

/* ----------  UTILITIES  ---------- */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(4.5rem,9vw,9rem);position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-display);
  font-weight:700;font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--red);
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--red);display:inline-block}
.eyebrow.light{color:#fff}
.eyebrow.light::before{background:var(--red)}
.section-head{max-width:760px;margin-bottom:clamp(2.5rem,4vw,4rem)}
.section-head h2{font-size:var(--fs-h2);margin:1.1rem 0 1.1rem}
.section-head p{color:var(--gray);font-size:var(--fs-lead)}
.text-red{color:var(--red)}
.text-blue{color:var(--blue)}
.text-grad{background:linear-gradient(100deg,var(--blue),var(--teal) 55%,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{
  --bg:var(--red);--fg:#fff;
  position:relative;display:inline-flex;align-items:center;gap:.7rem;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:1rem 1.9rem;border-radius:var(--radius-sm);
  color:var(--fg);background:var(--bg);
  overflow:hidden;isolation:isolate;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
  will-change:transform;
}
.btn svg{width:18px;height:18px;transition:transform var(--t-fast) var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--red-dark);transform:translateY(101%);transition:transform var(--t-med) var(--ease-out)}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px -12px rgba(227,6,19,.6)}
.btn:hover::before{transform:translateY(0)}
.btn:hover svg{transform:translateX(4px)}
.btn.btn-ghost{--bg:transparent;--fg:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn.btn-ghost::before{background:#fff}
.btn.btn-ghost:hover{--fg:var(--ink);border-color:#fff;box-shadow:0 16px 30px -14px rgba(0,0,0,.5)}
.btn.btn-dark{--bg:var(--ink)}
.btn.btn-dark::before{background:var(--blue)}
.btn.btn-blue{--bg:var(--blue)}
.btn.btn-blue::before{background:var(--blue-dark)}

/* ----------  NAV  ---------- */
.nav{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  transition:background var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease),padding var(--t-med) var(--ease);
  padding:1.15rem 0;
}
.nav.scrolled{background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(18px);box-shadow:var(--shadow-sm);padding:.7rem 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem}
.brand{display:flex;align-items:center;gap:.7rem;z-index:2}
.brand img{height:38px;width:auto;transition:height var(--t-med) var(--ease)}
.nav.scrolled .brand img{height:34px}
.brand__word{display:flex;flex-direction:column;line-height:1}
.brand__word b{font-family:var(--font-display);font-weight:800;font-size:1.18rem;letter-spacing:-.02em;color:#fff;transition:color var(--t-med) var(--ease)}
.brand__word span{font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.7);transition:color var(--t-med) var(--ease)}
.nav.scrolled .brand__word b{color:var(--ink)}
.nav.scrolled .brand__word span{color:var(--gray)}
.nav__links{display:flex;align-items:center;gap:2.1rem}
.nav__links a{
  font-family:var(--font-display);font-weight:600;font-size:.9rem;color:rgba(255,255,255,.9);
  position:relative;padding:.3rem 0;transition:color var(--t-fast) var(--ease)
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--red);transition:width var(--t-fast) var(--ease)}
.nav__links a:hover::after{width:100%}
.nav.scrolled .nav__links a{color:var(--gray-700)}
.nav.scrolled .nav__links a:hover{color:var(--ink)}
.nav__cta{display:flex;align-items:center;gap:1rem}
.nav__cta .btn{padding:.7rem 1.3rem;font-size:.85rem}
.nav__burger{display:none;flex-direction:column;gap:5px;width:34px;height:34px;justify-content:center;align-items:center;z-index:2}
.nav__burger span{width:24px;height:2px;background:#fff;transition:.3s var(--ease);border-radius:2px}
.nav.scrolled .nav__burger span{background:var(--ink)}
.nav--open .nav__burger span{background:var(--ink)}
.nav--open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav--open .nav__burger span:nth-child(2){opacity:0}
.nav--open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mobile menu */
.mobile-menu{
  position:fixed;inset:0;z-index:90;background:var(--white);
  padding:6rem var(--gutter) 3rem;
  transform:translateY(-100%);transition:transform var(--t-med) var(--ease-out);
  display:flex;flex-direction:column;
}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{
  font-family:var(--font-display);font-weight:700;font-size:1.6rem;letter-spacing:-.02em;
  padding:.7rem 0;border-bottom:1px solid var(--gray-100);color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-menu a span{color:var(--gray-300);font-size:.9rem}
.mobile-menu .btn{margin-top:2rem;justify-content:center}

/* ----------  HERO  ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;color:#fff}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:120%;object-fit:cover;object-position:center 40%;will-change:transform}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,17,17,.55) 0%,rgba(17,17,17,.25) 35%,rgba(17,17,17,.72) 100%);}
.hero__grain{position:absolute;inset:0;z-index:1;opacity:.5;mix-blend-mode:overlay;pointer-events:none}
.hero__canvas{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.6}
.hero__inner{position:relative;z-index:2;width:100%;padding-bottom:clamp(3rem,7vh,7rem);padding-top:8rem}
.hero h1{font-size:var(--fs-hero);font-weight:800;max-width:16ch;text-wrap:balance}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line>span{display:block;will-change:transform}
.hero__sub{margin-top:1.6rem;font-size:var(--fs-lead);max-width:52ch;color:rgba(255,255,255,.88);font-weight:400}
.hero__actions{margin-top:2.4rem;display:flex;gap:1rem;flex-wrap:wrap}
.hero__meta{margin-top:3.2rem;display:flex;gap:2.5rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:1.6rem}
.hero__meta div b{font-family:var(--font-display);font-size:1.9rem;font-weight:800;display:block;line-height:1}
.hero__meta div span{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.hero__scroll{position:absolute;right:var(--gutter);bottom:2.2rem;z-index:2;display:flex;align-items:center;gap:.7rem;writing-mode:vertical-rl;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.hero__scroll i{width:1px;height:52px;background:linear-gradient(rgba(255,255,255,.7),transparent);animation:scrollLine 2s var(--ease) infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (max-width:640px){.hero__scroll{display:none}}

/* Ticker under hero */
.ticker{background:var(--ink);color:#fff;overflow:hidden;border-top:1px solid rgba(255,255,255,.08)}
.ticker__track{display:flex;gap:3.5rem;white-space:nowrap;padding:1.05rem 0;width:max-content;animation:ticker 34s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
.ticker__track span{font-family:var(--font-display);font-weight:700;font-size:.95rem;letter-spacing:.04em;color:rgba(255,255,255,.55);display:inline-flex;align-items:center;gap:3.5rem}
.ticker__track span::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--red)}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ----------  REVEAL ANIMATIONS (fallback + JS)  ---------- */
[data-reveal]{opacity:0;transform:translateY(38px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal-delay="1"]{transition-delay:.08s}
[data-reveal-delay="2"]{transition-delay:.16s}
[data-reveal-delay="3"]{transition-delay:.24s}
[data-reveal-delay="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* ----------  ABOUT / PRÉSENTATION  ---------- */
.about{position:relative}
.about__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.about__media{position:relative}
.about__media .frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.about__media .frame img{width:100%;aspect-ratio:4/5;object-fit:cover}
.about__media .badge{
  position:absolute;left:-1.5rem;bottom:-1.5rem;background:var(--white);border-radius:var(--radius);
  padding:1.4rem 1.6rem;box-shadow:var(--shadow);display:flex;gap:1rem;align-items:center;max-width:280px;
}
.about__media .badge b{font-family:var(--font-display);font-size:2.4rem;line-height:1;color:var(--red)}
.about__media .badge span{font-size:.86rem;color:var(--gray);line-height:1.35}
.about__media .deco{position:absolute;top:-1.6rem;right:-1.6rem;width:130px;height:130px;z-index:-1;
  background-image:radial-gradient(var(--gray-300) 1.4px,transparent 1.4px);background-size:16px 16px;opacity:.6}
.about h2{font-size:var(--fs-h2);margin:1.1rem 0 1.4rem;max-width:16ch}
.about__lead{font-size:var(--fs-lead);color:var(--gray-700);margin-bottom:1.3rem}
.about p{color:var(--gray);margin-bottom:1.1rem}
.about__pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:2rem}
.pillar{display:flex;gap:.9rem;align-items:flex-start;padding:1rem 1.1rem;border-radius:var(--radius-sm);background:var(--gray-50);border:1px solid var(--gray-100);transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pillar svg{width:26px;height:26px;color:var(--red);flex-shrink:0}
.pillar b{font-family:var(--font-display);display:block;font-size:1rem;margin-bottom:.15rem}
.pillar span{font-size:.85rem;color:var(--gray)}

/* ----------  STATS / CHIFFRES  ---------- */
.stats{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 80% 10%,rgba(0,102,204,.22),transparent 45%),
  radial-gradient(circle at 10% 90%,rgba(227,6,19,.14),transparent 45%);}
.stats .grid-lines{position:absolute;inset:0;opacity:.14;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:70px 70px;mask-image:radial-gradient(ellipse at center,#000 35%,transparent 78%)}
.stats__grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:left}
.stat{position:relative;padding-left:1.4rem}
.stat::before{content:"";position:absolute;left:0;top:.4rem;width:3px;height:calc(100% - .8rem);background:linear-gradient(var(--red),transparent)}
.stat b{font-family:var(--font-display);font-size:clamp(2.6rem,5vw,4rem);font-weight:800;line-height:1;display:block;letter-spacing:-.03em}
.stat b em{font-style:normal;color:var(--red)}
.stat span{display:block;margin-top:.6rem;color:rgba(255,255,255,.7);font-size:.92rem;letter-spacing:.02em}

/* ----------  EXPERTISES  ---------- */
.expertise__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.exp-card{
  position:relative;padding:2.2rem 1.9rem;border-radius:var(--radius);background:var(--white);
  border:1px solid var(--gray-100);overflow:hidden;transition:transform var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease),border-color var(--t-med) var(--ease);
}
.exp-card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--red),var(--blue));transition:width var(--t-med) var(--ease)}
.exp-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.exp-card:hover::after{width:100%}
.exp-card__ico{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;background:var(--gray-50);color:var(--red);margin-bottom:1.3rem;transition:background var(--t-med) var(--ease),color var(--t-med) var(--ease)}
.exp-card:hover .exp-card__ico{background:var(--red);color:#fff}
.exp-card__ico svg{width:28px;height:28px}
.exp-card h3{font-size:1.22rem;margin-bottom:.7rem}
.exp-card p{color:var(--gray);font-size:.94rem}
.exp-card__n{position:absolute;top:1.4rem;right:1.6rem;font-family:var(--font-display);font-weight:800;font-size:.85rem;color:var(--gray-200)}

/* ----------  SERVICES (split rows)  ---------- */
.services{background:var(--gray-50)}
.srv-row{display:grid;grid-template-columns:80px 1fr auto;gap:2rem;align-items:center;padding:2rem 0;border-top:1px solid var(--gray-200);transition:padding-left var(--t-med) var(--ease)}
.srv-row:last-child{border-bottom:1px solid var(--gray-200)}
.srv-row:hover{padding-left:1.2rem}
.srv-row__n{font-family:var(--font-display);font-weight:800;font-size:1.1rem;color:var(--red)}
.srv-row__main h3{font-size:clamp(1.4rem,2.6vw,2.1rem);transition:color var(--t-fast) var(--ease)}
.srv-row__main p{color:var(--gray);margin-top:.5rem;max-width:70ch}
.srv-row:hover .srv-row__main h3{color:var(--blue)}
.srv-row__arrow{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--gray-300);display:grid;place-items:center;color:var(--ink);transition:.35s var(--ease)}
.srv-row:hover .srv-row__arrow{background:var(--red);border-color:var(--red);color:#fff;transform:rotate(-45deg)}
.srv-row__arrow svg{width:20px;height:20px}

/* ----------  PROJECTS  ---------- */
.proj__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.proj-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-sm)}
.proj-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out)}
.proj-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,17,0) 30%,rgba(17,17,17,.85) 100%)}
.proj-card:hover img{transform:scale(1.07)}
.proj-card__body{position:relative;z-index:2;padding:1.7rem;width:100%}
.proj-card__tag{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;background:rgba(255,255,255,.14);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.22);padding:.3rem .7rem;border-radius:100px;margin-bottom:.9rem}
.proj-card__body h3{font-size:1.3rem;line-height:1.15;margin-bottom:.4rem}
.proj-card__body p{font-size:.86rem;color:rgba(255,255,255,.8);max-height:0;opacity:0;overflow:hidden;transition:max-height var(--t-med) var(--ease),opacity var(--t-med) var(--ease),margin var(--t-med) var(--ease)}
.proj-card:hover .proj-card__body p{max-height:120px;opacity:1;margin-top:.3rem}
.proj-card.tall{grid-row:span 2}
.proj-card__ref{position:absolute;top:1.3rem;left:1.7rem;z-index:2;font-family:var(--font-display);font-weight:800;font-size:.8rem;letter-spacing:.1em;color:rgba(255,255,255,.65)}

/* ----------  SECTORS  ---------- */
.sectors{background:var(--ink);color:#fff}
.sectors__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);overflow:hidden}
.sector{background:var(--ink);padding:2.2rem 1.9rem;position:relative;transition:background var(--t-med) var(--ease);overflow:hidden}
.sector:hover{background:#181818}
.sector__ico{width:44px;height:44px;color:var(--red);margin-bottom:1.1rem}
.sector__ico svg{width:100%;height:100%}
.sector h3{font-size:1.2rem;margin-bottom:.5rem}
.sector p{color:rgba(255,255,255,.62);font-size:.9rem}
.sector b{position:absolute;right:1.4rem;bottom:1rem;font-family:var(--font-display);font-size:3.2rem;font-weight:800;color:rgba(255,255,255,.05);line-height:1}

/* ----------  PROCESS  ---------- */
.process__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem;counter-reset:step}
.step{position:relative;padding-top:2.6rem}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:0;left:0;font-family:var(--font-display);font-weight:800;font-size:1rem;color:var(--red)}
.step::after{content:"";position:absolute;top:.55rem;left:2.6rem;right:-1.2rem;height:2px;background:repeating-linear-gradient(90deg,var(--gray-300) 0 6px,transparent 6px 12px)}
.step:last-child::after{display:none}
.step h3{font-size:1.1rem;margin-bottom:.5rem}
.step p{color:var(--gray);font-size:.88rem}
.step__dot{position:absolute;top:.15rem;left:5.2rem;width:9px;height:9px;border-radius:50%;background:var(--red)}

/* ----------  CERTIFICATIONS  ---------- */
.certs{background:var(--gray-50)}
.certs__wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.cert-list{display:grid;gap:1rem}
.cert{display:flex;gap:1.1rem;align-items:center;background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius-sm);padding:1.2rem 1.3rem;transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease)}
.cert:hover{transform:translateX(6px);box-shadow:var(--shadow-sm)}
.cert__badge{width:52px;height:52px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;flex-shrink:0}
.cert__badge svg{width:26px;height:26px}
.cert b{font-family:var(--font-display);display:block;font-size:1.02rem}
.cert span{font-size:.86rem;color:var(--gray)}

/* ----------  GALLERY  ---------- */
.gallery__filter{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2.2rem}
.gallery__filter button{
  font-family:var(--font-display);font-weight:600;font-size:.85rem;
  padding:.6rem 1.2rem;border-radius:100px;border:1.5px solid var(--gray-200);color:var(--gray);
  transition:.3s var(--ease)
}
.gallery__filter button:hover{border-color:var(--ink);color:var(--ink)}
.gallery__filter button.active{background:var(--ink);border-color:var(--ink);color:#fff}
.masonry{columns:3;column-gap:1.1rem}
.masonry .tile{break-inside:avoid;margin-bottom:1.1rem;position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;background:var(--gray-100)}
.masonry .tile img{width:100%;transition:transform .7s var(--ease-out),filter .5s var(--ease)}
.masonry .tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,17,0) 45%,rgba(17,17,17,.72));opacity:0;transition:opacity var(--t-med) var(--ease)}
.masonry .tile:hover img{transform:scale(1.06)}
.masonry .tile:hover::after{opacity:1}
.tile__cap{position:absolute;left:1.1rem;bottom:1rem;right:1.1rem;z-index:2;color:#fff;transform:translateY(10px);opacity:0;transition:.4s var(--ease)}
.masonry .tile:hover .tile__cap{transform:none;opacity:1}
.tile__cap b{font-family:var(--font-display);font-size:1rem;display:block}
.tile__cap span{font-size:.78rem;color:rgba(255,255,255,.75)}
.tile__plus{position:absolute;top:1rem;right:1rem;z-index:2;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);display:grid;place-items:center;color:#fff;opacity:0;transform:scale(.7);transition:.4s var(--ease)}
.masonry .tile:hover .tile__plus{opacity:1;transform:none}
.tile.hide{display:none}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(10,10,12,.94);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:4vw;opacity:0;visibility:hidden;transition:opacity var(--t-med) var(--ease)}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:100%;max-height:86vh;border-radius:8px;box-shadow:var(--shadow-lg);transform:scale(.96);transition:transform var(--t-med) var(--ease-out)}
.lightbox.open img{transform:none}
.lightbox__cap{position:absolute;bottom:1.5rem;left:0;right:0;text-align:center;color:rgba(255,255,255,.8);font-size:.9rem}
.lightbox__close,.lightbox__nav{position:absolute;color:#fff;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;transition:.3s var(--ease)}
.lightbox__close:hover,.lightbox__nav:hover{background:var(--red)}
.lightbox__close{top:1.5rem;right:1.5rem}
.lightbox__nav svg{width:24px;height:24px}
.lightbox__nav.prev{left:1.5rem;top:50%;transform:translateY(-50%)}
.lightbox__nav.next{right:1.5rem;top:50%;transform:translateY(-50%)}

/* ----------  PORTFOLIO EN MOUVEMENT  ---------- */
.portfolio{background:var(--ink);color:#fff;overflow:hidden;padding-block:clamp(4rem,7vw,7rem)}
.portfolio .section-head{padding-inline:var(--gutter);margin-inline:auto;max-width:var(--maxw)}
.portfolio .section-head h2{color:#fff}
.portfolio .section-head p{color:rgba(255,255,255,.6)}
.pf-rows{display:flex;flex-direction:column;gap:1.1rem;margin-top:1rem}
.pf-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent)}
.pf-track{display:flex;gap:1.1rem;width:max-content;will-change:transform}
.pf-track.ltr{animation:pfL 60s linear infinite}
.pf-track.rtl{animation:pfR 60s linear infinite}
.pf-marquee:hover .pf-track{animation-play-state:paused}
@keyframes pfL{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes pfR{from{transform:translateX(-50%)}to{transform:translateX(0)}}
.pf-item{position:relative;flex:0 0 auto;width:clamp(240px,26vw,380px);aspect-ratio:4/3;border-radius:14px;overflow:hidden;cursor:pointer;background:#181818}
.pf-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out),filter .5s var(--ease);filter:grayscale(.15) contrast(1.02)}
.pf-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,17,17,0) 45%,rgba(17,17,17,.8));opacity:0;transition:opacity var(--t-med) var(--ease)}
.pf-item:hover img{transform:scale(1.08);filter:none}
.pf-item:hover::after{opacity:1}
.pf-item figcaption{position:absolute;left:1rem;bottom:.85rem;right:1rem;z-index:2;opacity:0;transform:translateY(8px);transition:.4s var(--ease)}
.pf-item:hover figcaption{opacity:1;transform:none}
.pf-item figcaption b{font-family:var(--font-display);font-size:.95rem;display:block}
.pf-item figcaption span{font-size:.76rem;color:rgba(255,255,255,.72)}
@media (prefers-reduced-motion:reduce){.pf-track.ltr,.pf-track.rtl{animation:none}}

/* ----------  TESTIMONIALS  ---------- */
.testi{background:var(--gray-50);overflow:hidden}
.testi .swiper{overflow:visible}
.testi-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius-lg);padding:2.4rem;height:100%;box-shadow:var(--shadow-sm)}
.testi-card .quote{font-size:2.4rem;font-family:var(--font-display);color:var(--red);line-height:1;margin-bottom:.8rem}
.testi-card p{font-size:1.05rem;color:var(--gray-700);margin-bottom:1.6rem}
.testi-card .who{display:flex;align-items:center;gap:.9rem}
.testi-card .who .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-weight:800}
.testi-card .who b{font-family:var(--font-display);display:block;font-size:.98rem}
.testi-card .who span{font-size:.82rem;color:var(--gray)}
.testi__nav{display:flex;gap:.8rem;margin-top:2rem}
.testi__nav button{width:50px;height:50px;border-radius:50%;border:1.5px solid var(--gray-300);display:grid;place-items:center;transition:.3s var(--ease)}
.testi__nav button:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.testi__nav svg{width:20px;height:20px}

/* ----------  NEWS  ---------- */
.news__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.news-card{background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;transition:transform var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease)}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.news-card__img{position:relative;overflow:hidden;aspect-ratio:16/10}
.news-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out)}
.news-card:hover .news-card__img img{transform:scale(1.06)}
.news-card__date{position:absolute;top:1rem;left:1rem;background:var(--white);border-radius:8px;padding:.4rem .7rem;text-align:center;font-family:var(--font-display);line-height:1}
.news-card__date b{display:block;font-size:1.2rem}
.news-card__date span{font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gray)}
.news-card__body{padding:1.5rem}
.news-card__body .cat{font-family:var(--font-display);font-weight:700;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.news-card__body h3{font-size:1.18rem;margin:.6rem 0;line-height:1.25}
.news-card__body p{color:var(--gray);font-size:.9rem}
.news-card__body a{display:inline-flex;align-items:center;gap:.4rem;margin-top:1rem;font-family:var(--font-display);font-weight:700;font-size:.86rem;color:var(--ink)}
.news-card__body a svg{width:16px;height:16px;transition:transform var(--t-fast) var(--ease)}
.news-card__body a:hover svg{transform:translateX(4px)}

/* ----------  CONTACT  ---------- */
.contact{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;top:-30%;right:-10%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(0,102,204,.18),transparent 70%)}
.contact__grid{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(2.5rem,5vw,5rem)}
.contact h2{font-size:var(--fs-h2);margin:1.1rem 0 1.4rem;max-width:14ch}
.contact__lead{color:rgba(255,255,255,.7);font-size:var(--fs-lead);margin-bottom:2.4rem;max-width:44ch}
.contact__info{display:grid;gap:1.3rem}
.cinfo{display:flex;gap:1.1rem;align-items:flex-start}
.cinfo__ico{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:grid;place-items:center;color:var(--red);flex-shrink:0}
.cinfo__ico svg{width:22px;height:22px}
.cinfo b{font-family:var(--font-display);display:block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:.2rem}
.cinfo a,.cinfo span{color:#fff;font-size:1.02rem}
.cinfo a:hover{color:var(--red)}
.form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:clamp(1.6rem,3vw,2.6rem);backdrop-filter:blur(10px)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.8rem;letter-spacing:.06em;color:rgba(255,255,255,.6);margin-bottom:.5rem}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:10px;
  padding:.85rem 1rem;color:#fff;font-family:inherit;font-size:.95rem;transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease)
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:rgba(255,255,255,.07)}
.field select option{color:#111}
.form .btn{width:100%;justify-content:center;margin-top:.5rem}
.form__note{font-size:.78rem;color:rgba(255,255,255,.4);margin-top:1rem;text-align:center}
.form__ok{display:none;text-align:center;padding:1rem;border-radius:10px;background:rgba(92,174,90,.15);border:1px solid rgba(92,174,90,.4);color:#bfe6bd;margin-top:1rem;font-size:.9rem}

/* ----------  PARTNERS  ---------- */
.partners{border-top:1px solid var(--gray-100)}
.partners__head{text-align:center;margin-bottom:2.5rem}
.partners__head span{font-family:var(--font-display);font-weight:600;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gray)}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee__track{display:flex;align-items:center;gap:4rem;width:max-content;animation:ticker 38s linear infinite}
.marquee__track b{font-family:var(--font-display);font-weight:800;font-size:1.5rem;color:var(--gray-300);letter-spacing:-.01em;transition:color var(--t-fast) var(--ease);white-space:nowrap}
.marquee__track b:hover{color:var(--ink)}

/* ----------  FOOTER  ---------- */
.footer{background:#0b0b0c;color:rgba(255,255,255,.7);padding-top:clamp(3.5rem,6vw,5.5rem)}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__brand img{height:auto;width:180px;max-width:60%;margin-bottom:1.2rem;object-fit:contain}
.footer__brand p{font-size:.92rem;max-width:34ch;margin-bottom:1.4rem}
.footer__soc{display:flex;gap:.7rem}
.footer__soc a{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;color:#fff;transition:.3s var(--ease)}
.footer__soc a:hover{background:var(--red);border-color:var(--red);transform:translateY(-3px)}
.footer__soc svg{width:18px;height:18px}
.footer h4{color:#fff;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:1.3rem;font-family:var(--font-display)}
.footer__col a{display:block;font-size:.92rem;padding:.35rem 0;transition:color var(--t-fast) var(--ease)}
.footer__col a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding:1.6rem 0}
.footer__bottom p{font-size:.82rem;color:rgba(255,255,255,.45)}
.footer__bottom .slogan{color:var(--red);font-family:var(--font-display);font-weight:700;font-style:italic}

/* ----------  BACK TO TOP  ---------- */
.totop{position:fixed;right:1.4rem;bottom:1.4rem;z-index:80;width:48px;height:48px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);opacity:0;transform:translateY(20px) scale(.8);pointer-events:none;transition:.4s var(--ease)}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--red)}
.totop svg{width:20px;height:20px}

/* ----------  RESPONSIVE  ---------- */
@media (max-width:1080px){
  .expertise__grid,.proj__grid,.news__grid,.sectors__grid{grid-template-columns:repeat(2,1fr)}
  .process__grid{grid-template-columns:repeat(2,1fr);gap:2rem}
  .step::after{display:none}
  .masonry{columns:2}
}
@media (max-width:900px){
  .nav__links,.nav__cta .btn{display:none}
  .nav__burger{display:flex}
  .about__grid,.certs__wrap,.contact__grid{grid-template-columns:1fr;gap:2.5rem}
  .about__media{max-width:460px}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:2.5rem 2rem}
  .proj-card.tall{grid-row:span 1}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .expertise__grid,.proj__grid,.news__grid,.sectors__grid,.masonry{grid-template-columns:1fr;columns:1}
  .about__pillars,.form .row{grid-template-columns:1fr}
  .process__grid,.stats__grid{grid-template-columns:1fr}
  .srv-row{grid-template-columns:44px 1fr;gap:1rem}
  .srv-row__arrow{display:none}
  .footer__top{grid-template-columns:1fr}
  .hero__meta{gap:1.5rem}
  .about__media .badge{left:0;position:relative;bottom:0;margin-top:1rem;max-width:none}
}