/* ============================================================
   EPUREAU CÔTE D'IVOIRE — Design System
   Brand: navy #3b3e91, drop cyan #00a2e3
   Charte accompagnement: #1c75ff #14a8f9 #1c3ffc
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root{
  /* Brand */
  --navy:#3b3e91;          /* wordmark */
  --ink:#15173f;           /* deepest text / dark sections */
  --ink-2:#262a63;
  --cyan:#00a2e3;          /* logo drop */
  --blue:#1c75ff;          /* services à l'environnement */
  --sky:#14a8f9;           /* stockage & distribution */
  --deep:#1c3ffc;          /* traitement des eaux */

  /* Neutrals (cool whites) */
  --paper:#f4f8fd;
  --paper-2:#eaf2fb;
  --white:#ffffff;
  --line:rgba(21,23,63,.10);
  --line-soft:rgba(21,23,63,.06);
  --muted:#5b6080;
  --muted-2:#7a7fa0;

  /* Effects */
  --shadow-sm:0 1px 2px rgba(21,23,63,.06), 0 2px 8px rgba(21,23,63,.04);
  --shadow-md:0 8px 30px rgba(28,63,252,.10), 0 2px 8px rgba(21,23,63,.05);
  --shadow-lg:0 30px 70px rgba(20,40,120,.18);
  --grad-deep:linear-gradient(135deg,#1c3ffc 0%,#1c75ff 55%,#00a2e3 100%);
  --grad-sky:linear-gradient(120deg,#00a2e3,#14a8f9);

  --r-sm:10px; --r:16px; --r-lg:24px; --r-xl:34px;
  --maxw:1240px;
  --gut:clamp(20px,5vw,64px);

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:'Hanken Grotesk','Trebuchet MS',sans-serif;
  color:var(--ink);
  background:var(--white);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--cyan);color:#fff}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding:clamp(72px,11vw,150px) 0;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-size:.78rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad-sky);border-radius:2px}
.eyebrow.on-dark{color:var(--sky)}

h1,h2,h3{line-height:1.05;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
h2.title{font-size:clamp(2rem,4.6vw,3.5rem);margin:.4em 0 .5em}
.lead{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--muted);max-width:62ch}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-weight:700;font-size:1rem;line-height:1;
  padding:1.05em 1.7em;border-radius:100px;border:1.5px solid transparent;
  cursor:pointer;transition:.35s var(--ease);white-space:nowrap;
}
.btn svg{width:18px;height:18px;transition:transform .35s var(--ease)}
.btn-primary{background:var(--grad-deep);color:#fff;box-shadow:0 10px 26px rgba(28,63,252,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(28,63,252,.42)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(0,0,0,.2)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:.4s var(--ease);
}
.header__inner{
  max-width:var(--maxw);margin-inline:auto;padding:18px var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.header__bar{
  position:absolute;inset:0;background:rgba(255,255,255,.8);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  opacity:0;transition:.4s var(--ease);
}
.header.scrolled .header__bar{opacity:1}
.logo{position:relative;z-index:2;display:flex;align-items:center}
.logo img{height:38px;width:auto}
.logo .light{display:block}
.logo .dark{display:none}
.header.scrolled .logo .light{display:none}
.header.scrolled .logo .dark{display:block}
.nav{display:flex;align-items:center;gap:6px;position:relative;z-index:2}
.nav a{
  font-weight:600;font-size:.96rem;color:rgba(255,255,255,.88);
  padding:.6em .9em;border-radius:100px;transition:.25s var(--ease);position:relative;
}
.nav a:hover{color:#fff;background:rgba(255,255,255,.14)}
.header.scrolled .nav a{color:var(--ink-2)}
.header.scrolled .nav a:hover{color:var(--blue);background:var(--paper-2)}
.header__cta{position:relative;z-index:2;display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;position:relative;z-index:2;background:none;border:none;cursor:pointer;
  width:46px;height:46px;border-radius:12px;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;
  position:relative;transition:.3s var(--ease)}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;
  background:#fff;border-radius:2px;transition:.3s var(--ease)}
.menu-toggle span::before{top:-7px}.menu-toggle span::after{top:7px}
.header.scrolled .menu-toggle span,.header.scrolled .menu-toggle span::before,.header.scrolled .menu-toggle span::after{background:var(--ink)}
body.menu-open .menu-toggle span{background:transparent}
body.menu-open .menu-toggle span::before{transform:rotate(45deg);top:0}
body.menu-open .menu-toggle span::after{transform:rotate(-45deg);top:0}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding-top:120px;overflow:hidden;color:#fff;
  background:radial-gradient(120% 120% at 80% -10%, #1c75ff 0%, #1c3ffc 45%, #15173f 100%);
}
.hero__mesh{position:absolute;inset:0;z-index:0;opacity:.9;pointer-events:none}
.hero__blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;mix-blend-mode:screen}
.b1{width:520px;height:520px;background:#00a2e3;top:-120px;right:-60px;animation:float1 16s ease-in-out infinite}
.b2{width:420px;height:420px;background:#14a8f9;bottom:-140px;left:-80px;animation:float2 19s ease-in-out infinite}
.b3{width:300px;height:300px;background:#1c75ff;top:30%;left:40%;animation:float1 22s ease-in-out infinite reverse}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-40px,40px) scale(1.1)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-30px) scale(1.08)}}

.hero__grid{position:absolute;inset:0;z-index:0;opacity:.18;
  background-image:linear-gradient(rgba(255,255,255,.25) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.25) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 10%,#000,transparent 75%);
          mask-image:radial-gradient(120% 90% at 70% 10%,#000,transparent 75%);
}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero__copy{max-width:680px}
.hero__tag{display:inline-flex;align-items:center;gap:.7em;padding:.5em 1em .5em .6em;border-radius:100px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  font-size:.82rem;font-weight:600;letter-spacing:.02em;backdrop-filter:blur(6px);margin-bottom:28px}
.hero__tag .dot{width:9px;height:9px;border-radius:50%;background:#7CF;box-shadow:0 0 0 4px rgba(124,204,255,.25)}
.hero h1{
  font-size:clamp(2.7rem,6.6vw,5.4rem);color:#fff;letter-spacing:-.03em;line-height:.98;
}
.hero h1 .accent{
  background:linear-gradient(100deg,#7fe3ff,#bfe8ff);-webkit-background-clip:text;background-clip:text;color:transparent;
  position:relative;
}
.hero__lead{font-size:clamp(1.05rem,1.6vw,1.32rem);color:rgba(255,255,255,.82);margin:26px 0 38px;max-width:54ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}

/* Floating image slider */
.hero__slider{
  position:relative;justify-self:end;width:min(100%,440px);aspect-ratio:4/5;max-height:560px;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 40px 80px rgba(0,0,0,.4);
  background:#0e1030;
}
.hslide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transform:scale(1.08);
  transition:opacity 1.1s var(--ease),transform 6s linear;
  will-change:opacity,transform;
}
.hslide::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,16,48,.05) 0%,rgba(14,16,48,.15) 45%,rgba(14,16,48,.85) 100%)}
.hslide.is-active{opacity:1;transform:scale(1)}
.hslide__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:30px 30px 92px;
  transform:translateY(14px);opacity:0;transition:.7s var(--ease) .25s}
.hslide.is-active .hslide__cap{transform:none;opacity:1}
.hslide__cap .k{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:#9fe3ff;margin-bottom:10px}
.hslide__cap b{display:block;color:#fff;font-size:1.45rem;font-weight:800;letter-spacing:-.01em;line-height:1.1}
.hslide__cap p{color:rgba(255,255,255,.82);font-size:.98rem;margin-top:6px;max-width:34ch}

/* Gauge bullets */
.hslider__bullets{position:absolute;left:24px;right:24px;bottom:24px;z-index:3;
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.hb{appearance:none;background:none;border:none;cursor:pointer;padding:6px 0 0;text-align:left;
  display:flex;flex-direction:column;gap:8px}
.hb__txt{font-size:.74rem;font-weight:700;color:rgba(255,255,255,.55);letter-spacing:.01em;
  transition:.3s var(--ease);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hb.is-active .hb__txt{color:#fff}
.hb:hover .hb__txt{color:rgba(255,255,255,.85)}
.hb__track{position:relative;height:4px;border-radius:4px;background:rgba(255,255,255,.22);overflow:hidden}
.hb__fill{position:absolute;inset:0;border-radius:4px;transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,#7fe3ff,#14a8f9);box-shadow:0 0 10px rgba(127,227,255,.6)}
@media (prefers-reduced-motion:reduce){
  .hslide{transition:opacity .4s linear}
  .hb__fill{transition:none;transform:scaleX(1)}
}

/* Wave divider */
.wave{position:absolute;left:0;right:0;bottom:-1px;z-index:1;line-height:0;pointer-events:none}
.wave svg{width:100%;height:auto;display:block}

/* Stats strip */
.stats{position:relative;z-index:3;background:#fff;border-radius:var(--r-lg);
  margin:-60px auto 0;max-width:calc(var(--maxw) - 40px);
  box-shadow:var(--shadow-lg);display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden}
.stat{padding:34px 30px;border-right:1px solid var(--line-soft);position:relative}
.stat:last-child{border-right:none}
.stat .num{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1}
.stat .num small{font-size:.5em;font-weight:700;color:var(--blue);margin-left:.2em}
.stat .lbl{margin-top:8px;color:var(--muted);font-size:.92rem;font-weight:500}
.stat::after{content:"";position:absolute;left:30px;bottom:0;width:34px;height:3px;background:var(--grad-sky);border-radius:3px;
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.stat.in::after{transform:scaleX(1)}

/* ============================================================
   ABOUT
   ============================================================ */
.about{background:var(--white)}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.about__media{position:relative}
.ph{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--paper-2);
  background-image:repeating-linear-gradient(135deg,rgba(28,63,252,.05) 0 12px,transparent 12px 24px);
  border:1px solid var(--line);display:grid;place-content:center;text-align:center;color:var(--muted-2);
  min-height:420px;
}
.ph .ph__label{font-family:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;font-size:.78rem;
  letter-spacing:.06em;text-transform:uppercase;background:#fff;padding:.55em 1em;border-radius:100px;
  box-shadow:var(--shadow-sm);color:var(--muted)}
.ph .ph__icon{width:54px;height:54px;margin:0 auto 14px;color:var(--blue);opacity:.7}
.about__media .badge{
  position:absolute;left:-26px;bottom:-26px;background:#fff;border-radius:var(--r);padding:20px 24px;
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:16px;border:1px solid var(--line-soft)}
.about__media .badge .y{font-size:2.4rem;font-weight:800;color:var(--blue);line-height:1;letter-spacing:-.02em}
.about__media .badge .t{font-size:.9rem;color:var(--muted);font-weight:600;line-height:1.25}
.about__copy p.body{color:var(--muted);margin-bottom:18px;font-size:1.06rem}
.about__copy .brands{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.chip{font-size:.82rem;font-weight:700;color:var(--ink-2);background:var(--paper-2);
  padding:.5em 1em;border-radius:100px;border:1px solid var(--line-soft)}

/* Missions */
.missions{background:var(--paper);position:relative}
.missions__head{text-align:center;max-width:720px;margin:0 auto 56px}
.missions__head .lead{margin:0 auto}
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mcard{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:38px 32px;
  position:relative;overflow:hidden;transition:.4s var(--ease)}
.mcard::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad-deep);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.mcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.mcard:hover::before{transform:scaleX(1)}
.mcard .ic{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(135deg,rgba(28,63,252,.12),rgba(0,162,227,.12));color:var(--blue)}
.mcard .ic svg{width:30px;height:30px}
.mcard h3{font-size:1.32rem;margin-bottom:10px}
.mcard p{color:var(--muted);font-size:1rem}
.mcard .n{position:absolute;top:24px;right:28px;font-size:3.2rem;font-weight:800;color:var(--paper-2);
  line-height:1;letter-spacing:-.03em}

/* Atouts */
.atouts{background:var(--white)}
.atouts__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,6vw,80px);align-items:start}
.alist{display:grid;gap:2px}
.arow{display:flex;gap:22px;padding:26px 4px;border-bottom:1px solid var(--line-soft);align-items:flex-start;
  transition:.3s var(--ease)}
.arow:hover{padding-left:14px}
.arow .k{font-size:1.05rem;font-weight:800;color:var(--blue);width:46px;flex:none;
  font-variant-numeric:tabular-nums}
.arow .c h4{font-size:1.18rem;margin-bottom:4px}
.arow .c p{color:var(--muted);font-size:.98rem}

/* ---------- Real photos ---------- */
.photo{display:block;width:100%;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
.about__media .photo{height:clamp(380px,46vw,500px)}
.atouts .photo{height:clamp(220px,26vw,300px);margin-top:34px}
.photo-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.photo-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(21,23,63,.28))}

/* ============================================================
   ENGAGEMENT BAND
   ============================================================ */
.engage{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(130% 150% at 12% 18%,#1c75ff 0%,#1c3ffc 52%,#15173f 100%)}
.engage::before{content:"";position:absolute;top:-160px;right:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(0,162,227,.5),transparent 70%);filter:blur(30px)}
.engage .wrap{position:relative;z-index:2}
.engage__grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(40px,6vw,80px);align-items:center}
.engage__media{position:relative}
.engage__media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:0 40px 80px rgba(0,0,0,.35);max-height:540px}
.engage__media .tagcard{position:absolute;right:-22px;bottom:28px;background:#fff;color:var(--ink);
  border-radius:var(--r);padding:16px 20px;box-shadow:var(--shadow-lg);max-width:230px}
.engage__media .tagcard b{display:block;font-size:1.05rem;margin-bottom:2px}
.engage__media .tagcard span{font-size:.86rem;color:var(--muted)}
.engage h2{color:#fff;font-size:clamp(1.9rem,3.8vw,3rem);margin:.35em 0 .6em;letter-spacing:-.02em}
.engage .lead{color:rgba(255,255,255,.82)}
.engage .quote{font-size:clamp(1.2rem,1.9vw,1.5rem);font-weight:700;line-height:1.32;
  border-left:3px solid var(--sky);padding-left:22px;margin:30px 0 0}
.engage .pts{list-style:none;display:grid;gap:12px;margin-top:28px}
.engage .pts li{display:flex;gap:13px;align-items:flex-start;color:rgba(255,255,255,.9);font-size:1.02rem}
.engage .pts svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--sky)}

/* ============================================================
   DIVISIONS
   ============================================================ */
.divisions{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.divisions::before{content:"";position:absolute;top:-200px;right:-150px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(28,63,252,.4),transparent 70%);filter:blur(40px)}
.divisions .wrap{position:relative;z-index:2}
.divisions h2.title,.divisions h3{color:#fff}
.dhead{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:54px}
.dhead .lead{color:rgba(255,255,255,.7)}
.dgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.dcard{position:relative;border-radius:var(--r-lg);padding:38px;overflow:hidden;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);transition:.45s var(--ease);cursor:default}
.dcard:hover{background:rgba(255,255,255,.07);transform:translateY(-5px);border-color:rgba(255,255,255,.22)}
.dcard__top{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.dcard .ic{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;flex:none;color:#fff}
.dcard .ic svg{width:28px;height:28px}
.d1 .ic{background:linear-gradient(135deg,#1c3ffc,#1c75ff)}
.d2 .ic{background:linear-gradient(135deg,#1c75ff,#14a8f9)}
.d3 .ic{background:linear-gradient(135deg,#14a8f9,#00a2e3)}
.d4 .ic{background:linear-gradient(135deg,#00a2e3,#1c3ffc)}
.dcard h3{font-size:1.4rem}
.dcard .kicker{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sky)}
.dcard p{color:rgba(255,255,255,.72);font-size:1rem;margin-bottom:20px}
.dcard ul{list-style:none;display:grid;gap:11px}
.dcard li{display:flex;gap:11px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:.96rem}
.dcard li svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--sky)}
.dcard .num{position:absolute;right:30px;top:26px;font-size:1rem;font-weight:700;color:rgba(255,255,255,.25)}

/* ============================================================
   SERVICES
   ============================================================ */
.services{background:var(--paper)}
.shead{text-align:center;max-width:720px;margin:0 auto 56px}
.shead .lead{margin:0 auto}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:34px 30px;
  transition:.4s var(--ease);position:relative}
.scard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.scard .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--grad-deep);color:#fff}
.scard .ic svg{width:26px;height:26px}
.scard h3{font-size:1.22rem;margin-bottom:8px}
.scard p{color:var(--muted);font-size:.98rem}

/* ============================================================
   RÉFÉRENCES
   ============================================================ */
.refs{background:var(--white)}
.refs__head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:48px}
.refs__bignum{display:flex;gap:40px;flex-wrap:wrap;margin-top:10px}
.refs__bignum .b .n{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--blue);line-height:1;letter-spacing:-.02em}
.refs__bignum .b .l{color:var(--muted);font-size:.92rem;margin-top:6px;font-weight:600}

.proj-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.pf{font-size:.9rem;font-weight:700;color:var(--ink-2);background:var(--paper);border:1px solid var(--line);
  padding:.6em 1.2em;border-radius:100px;cursor:pointer;transition:.25s var(--ease)}
.pf:hover{border-color:var(--blue);color:var(--blue)}
.pf.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:#fff;
  transition:.4s var(--ease);display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.pcard__img{aspect-ratio:16/10;position:relative;overflow:hidden;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#1c3ffc,#1c75ff)}
.pcard--usees .pcard__img{background:linear-gradient(135deg,#1c3ffc 0%,#1c75ff 100%)}
.pcard--potable .pcard__img{background:linear-gradient(135deg,#1c75ff 0%,#00a2e3 100%)}
.pcard--reactifs .pcard__img{background:linear-gradient(135deg,#14a8f9 0%,#1c3ffc 100%)}
/* water-line motif */
.pcard__img::before{content:"";position:absolute;left:0;right:0;bottom:0;height:62%;opacity:.5;
  background-image:
    radial-gradient(120% 100% at 50% 100%, rgba(255,255,255,.18), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 16px, rgba(255,255,255,.07) 16px 17px);
  -webkit-mask-image:linear-gradient(transparent,#000);mask-image:linear-gradient(transparent,#000)}
.pcard__img::after{content:"";position:absolute;inset:auto 0 -40% 0;height:80%;
  background:radial-gradient(80% 120% at 50% 0,rgba(255,255,255,.16),transparent 70%);
  transform:translateY(40%)}
.pcard__sheen{position:absolute;top:0;bottom:0;left:-60%;width:45%;z-index:2;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-16deg);transition:left .8s var(--ease)}
.pcard:hover .pcard__sheen{left:130%}
.pcard__img .ph__icon{width:56px;height:56px;color:#fff;opacity:.95;position:relative;z-index:1;
  filter:drop-shadow(0 6px 16px rgba(0,0,0,.25));transition:transform .5s var(--ease)}
.pcard:hover .pcard__img .ph__icon{transform:scale(1.08) translateY(-2px)}
.pcard__img .yr{position:absolute;top:14px;left:14px;z-index:3;background:rgba(255,255,255,.95);color:var(--ink);font-weight:800;
  font-size:.82rem;padding:.4em .8em;border-radius:100px;box-shadow:var(--shadow-sm)}
.pcard__img .tag{position:absolute;top:14px;right:14px;z-index:3;font-family:ui-monospace,monospace;font-size:.66rem;
  letter-spacing:.04em;background:rgba(21,23,63,.55);color:#fff;padding:.4em .7em;border-radius:100px;
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(4px)}
.pcard__kpi{position:absolute;left:14px;bottom:14px;z-index:3;display:flex;flex-direction:column;line-height:1}
.pcard__kpi b{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;
  text-shadow:0 2px 12px rgba(0,0,0,.3)}
.pcard__kpi i{font-style:normal;font-size:.72rem;font-weight:600;color:rgba(255,255,255,.85);margin-top:3px;
  text-transform:uppercase;letter-spacing:.08em}
.pcard__body{padding:24px 24px 28px}
.pcard__body .sec{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--sky)}
.pcard__body h3{font-size:1.22rem;margin:6px 0 8px}
.pcard__body p{color:var(--muted);font-size:.94rem}

/* Clients */
.clients{background:var(--paper);border-top:1px solid var(--line-soft)}
.clients__head{text-align:center;margin-bottom:46px}
.logo-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.lbox{aspect-ratio:3/2;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r);
  display:grid;place-items:center;padding:18px;transition:.3s var(--ease)}
.lbox:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.lbox span{font-weight:800;font-size:1.05rem;letter-spacing:-.01em;color:var(--ink-2);text-align:center;
  opacity:.65;transition:.3s var(--ease)}
.lbox:hover span{opacity:1;color:var(--blue)}
.partners{margin-top:40px;text-align:center}
.partners .t{font-size:.82rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);
  margin-bottom:18px}
.partners .row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.partners .pchip{font-weight:800;color:var(--navy);background:#fff;border:1px solid var(--line);
  padding:.7em 1.4em;border-radius:100px;font-size:1rem}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;bottom:-200px;left:-150px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(0,162,227,.35),transparent 70%);filter:blur(40px)}
.contact .wrap{position:relative;z-index:2}
.contact__grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,6vw,80px);align-items:start}
.contact h2.title{color:#fff}
.contact__intro .lead{color:rgba(255,255,255,.72)}
.cinfo{display:grid;gap:14px;margin-top:38px}
.cinfo a,.cinfo .ci{display:flex;gap:16px;align-items:center;padding:18px;border-radius:var(--r);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:.3s var(--ease)}
.cinfo a:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.22)}
.cinfo .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:var(--grad-sky);color:#fff}
.cinfo .ic svg{width:22px;height:22px}
.cinfo b{display:block;color:#fff;font-size:1rem}
.cinfo span{color:rgba(255,255,255,.62);font-size:.86rem}

.form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-xl);
  padding:clamp(28px,4vw,42px)}
.form .frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.84rem;font-weight:600;color:rgba(255,255,255,.78);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);
  border-radius:12px;padding:14px 16px;color:#fff;font-family:inherit;font-size:1rem;transition:.25s var(--ease)}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sky);
  background:rgba(255,255,255,.1);box-shadow:0 0 0 4px rgba(20,168,250,.18)}
.field select option{color:#15173f}
.form .btn{width:100%;justify-content:center;margin-top:6px}
.form__ok{display:none;text-align:center;padding:30px 10px}
.form__ok .ic{width:64px;height:64px;border-radius:50%;background:var(--grad-sky);display:grid;place-items:center;
  margin:0 auto 18px;color:#fff}
.form__ok h3{color:#fff;margin-bottom:8px}
.form__ok p{color:rgba(255,255,255,.7)}
.form.sent .form__fields{display:none}
.form.sent .form__ok{display:block}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#0e1030;color:rgba(255,255,255,.7);padding:70px 0 34px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;
  border-bottom:1px solid rgba(255,255,255,.1)}
.footer .logo img{height:34px}
.footer__brand p{margin-top:18px;font-size:.94rem;max-width:34ch;color:rgba(255,255,255,.55)}
.footer h4{color:#fff;font-size:.84rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px;font-weight:700}
.footer__col a,.footer__col p{display:block;color:rgba(255,255,255,.62);font-size:.95rem;margin-bottom:11px;transition:.25s}
.footer__col a:hover{color:var(--sky)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-top:26px;font-size:.86rem;color:rgba(255,255,255,.45)}
.footer__bottom .soc{display:flex;gap:10px}
.footer__bottom .soc a{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.7);transition:.3s}
.footer__bottom .soc a:hover{background:var(--grad-sky);color:#fff}
.footer__bottom .soc svg{width:18px;height:18px}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__blob{animation:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .hero__slider{justify-self:start;width:min(100%,460px)}
  .about__grid,.atouts__grid,.contact__grid,.engage__grid{grid-template-columns:1fr}
  .engage__media{max-width:460px}
  .engage__media .tagcard{right:0}
  .mgrid,.sgrid,.pgrid{grid-template-columns:repeat(2,1fr)}
  .logo-grid{grid-template-columns:repeat(4,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:17px}
  .nav,.header__cta .btn{display:none}
  .menu-toggle{display:flex}
  .nav.open{display:flex;position:fixed;inset:78px 16px auto 16px;flex-direction:column;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;
    box-shadow:var(--shadow-lg);z-index:99;align-items:stretch}
  .nav.open a{padding:.9em 1em;font-size:1.05rem}
  .stats{grid-template-columns:1fr 1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line-soft)}
  .stat:nth-child(odd){border-right:1px solid var(--line-soft)}
  .mgrid,.dgrid,.sgrid,.pgrid{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr}
  .form .frow{grid-template-columns:1fr}
  .about__media .badge{left:0}
  .dhead,.refs__head{flex-direction:column;align-items:flex-start}
}