:root{
  --green:#00C853;
  --forest:#0A3D23;
  --charcoal:#1F1F1F;
  --ink:#171717;
  --muted:#5b625e;
  --line:#e4e8e5;
  --soft:#f3f6f4;
  --white:#fff;
  --radius:14px;
  --head:'Montserrat',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
h1,h2,h3{font-family:var(--head);line-height:1.1;letter-spacing:-.01em}
.eyebrow{font-family:var(--head);font-weight:700;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.lead{font-size:1.1rem;color:var(--muted);max-width:56ch}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--green);color:#04210f;font-family:var(--head);font-weight:700;font-size:.95rem;padding:15px 26px;border-radius:999px;text-decoration:none;border:2px solid var(--green);cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(0,200,83,.6)}
.btn:focus-visible,.lang:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--green);box-shadow:none}
.btn-full{width:100%}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(31,31,31,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand img{height:54px;width:auto}
.nav{display:flex;gap:30px}
.nav a{color:#e9ece9;text-decoration:none;font-weight:500;font-size:.95rem;position:relative}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--green);transition:width .2s}
.nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.lang{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-family:var(--head);font-weight:700;font-size:.78rem;letter-spacing:.08em;padding:8px 14px;cursor:pointer}
.lang:hover{border-color:var(--green);color:var(--green)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:#fff;transition:.2s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.burger[aria-expanded="true"] span:first-child{top:19px;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:19px;transform:rotate(-45deg)}

/* Hero */
.hero{background:radial-gradient(900px 520px at 80% 35%,rgba(0,200,83,.14),transparent 62%),linear-gradient(180deg,#050e09 0%,#0a1a12 52%,#0f1512 100%);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;padding-block:96px 112px}
.hero h1{font-weight:800;font-size:clamp(2.6rem,6.2vw,5rem);margin-bottom:24px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--green)}
.hero .lead{color:#c9cfcb;margin-bottom:34px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.hero-art{display:flex;justify-content:center}
.hero-art .sym{width:min(420px,100%);height:auto;display:block;filter:drop-shadow(0 30px 60px rgba(0,200,83,.25))}
.bolt-line{position:absolute;left:0;right:0;bottom:0;height:6px;background:linear-gradient(90deg,var(--forest),var(--green) 50%,var(--forest))}

/* Sections */
.section{padding-block:96px}
.section-head{margin-bottom:48px}
.section-head h2{font-weight:800;font-size:clamp(1.9rem,4vw,3rem);max-width:20ch;text-wrap:balance}
.section-dark{background:var(--charcoal);color:#fff}
.section-dark .lead{color:#b8c0bb;margin-top:18px}
.section-soft{background:var(--soft)}

/* Cards */
.grid.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -20px rgba(10,61,35,.35);border-color:var(--green)}
.card h3{font-size:1.2rem;margin:18px 0 10px}
.card p{color:var(--muted);font-size:.98rem}
.card-accent{background:var(--forest);border-color:var(--forest);color:#fff;grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;column-gap:22px;align-items:center}
.card-accent .ico{grid-row:1/3}
.card-accent h3{margin:0 0 6px}
.card-accent p{max-width:70ch}
.card-accent p{color:#cfe6d7}
.ico{width:52px;height:52px;border-radius:12px;background:rgba(0,200,83,.12);display:grid;place-items:center}
.ico svg,.fab svg{width:26px;height:26px;fill:none;stroke:var(--green);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card-accent .ico{background:rgba(0,200,83,.2)}
.ico.sm{width:40px;height:40px;border-radius:10px;flex:none}
.ico.sm svg{width:20px;height:20px}

/* Why */
.why{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.why .section-head{margin:0}
.why-list{list-style:none;display:grid;gap:8px}
.why-list li{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.why-list li:last-child{border:0}
.num{font-family:var(--head);font-weight:800;color:var(--green);font-size:1.1rem;padding-top:3px}
.why-list h3{font-size:1.2rem;margin-bottom:6px}
.why-list p{color:#b8c0bb}

/* Steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps li{position:relative;padding-top:28px;border-top:3px solid var(--line)}
.steps li::before{content:"";position:absolute;top:-3px;left:0;width:56px;height:3px;background:var(--green)}
.step-n{font-family:var(--head);font-weight:800;font-size:2.4rem;color:var(--forest);display:block;margin-bottom:8px}
.steps h3{font-size:1.1rem;margin-bottom:8px}
.steps p{color:var(--muted);font-size:.97rem}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.contact h2{font-weight:800;font-size:clamp(1.9rem,4vw,3rem);margin-bottom:18px}
.info-list{list-style:none;margin-top:32px;display:grid;gap:16px}
.info-list li{display:flex;align-items:center;gap:14px;font-weight:600}
.info-list a{text-decoration:none}
.info-list a:hover{color:var(--forest);text-decoration:underline}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:18px;box-shadow:0 24px 50px -30px rgba(0,0,0,.25)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-weight:600;font-size:.9rem}
input,select,textarea{font:inherit;font-weight:400;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--green)}
input.invalid,textarea.invalid{border-color:#d93025}
.form-note{font-size:.92rem;min-height:1.2em;color:var(--forest);font-weight:600}
.form-note.err{color:#d93025}

/* Footer */
.site-footer{background:#141414;color:#c9cfcb;padding-block:56px 40px}
.footer-inner{display:grid;grid-template-columns:auto 1fr;gap:24px 48px;align-items:center}
.foot-logo{width:150px}
.foot-links{display:flex;flex-wrap:wrap;gap:24px;justify-content:flex-end}
.foot-links a{text-decoration:none;font-weight:500}
.foot-links a:hover{color:var(--green)}
.copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;font-size:.88rem;color:#8a918d}

/* Floating call button (mobile) */
.fab{display:none;position:fixed;right:16px;bottom:16px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--green);place-items:center;box-shadow:0 12px 28px -8px rgba(0,200,83,.7)}
.fab svg{stroke:#04210f;width:26px;height:26px}

/* Responsive */
@media (max-width:980px){
  .grid.cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .why,.contact{grid-template-columns:1fr;gap:40px}
}
@media (max-width:820px){
  .burger{display:block}
  .header-actions .btn{display:none}
  .nav{position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:#1F1F1F;border-bottom:1px solid rgba(255,255,255,.1);padding:8px 16px 16px;display:none}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.07)}
  .nav a::after{display:none}
  .hero-inner{grid-template-columns:1fr;padding-block:48px 80px}
  .hero-art{order:-1}
  .hero-art .sym{width:150px}
  .fab{display:grid}
}
@media (max-width:620px){
  .section{padding-block:64px}
  .grid.cards,.steps{grid-template-columns:1fr}
  .form{padding:22px}
  .form .row{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .foot-links{justify-content:flex-start}
  .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ---------- Aurora hero ---------- */
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(5,12,8,.78) 0%,rgba(5,12,8,.45) 42%,transparent 70%)}
.aurora{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.aurora i{position:absolute;display:block;top:-35%;height:125%;width:20%;mix-blend-mode:screen;filter:blur(34px);
  background:linear-gradient(180deg,transparent 0%,rgba(0,255,150,0) 8%,rgba(0,235,120,.8) 42%,rgba(0,200,83,.35) 70%,transparent 100%);
  transform:skewX(-28deg);will-change:transform,opacity}
.aurora i:nth-child(1){left:6%;opacity:.32;animation:au1 17s ease-in-out infinite alternate}
.aurora i:nth-child(2){left:27%;opacity:.4;width:24%;animation:au2 22s ease-in-out infinite alternate}
.aurora i:nth-child(3){left:50%;opacity:.55;width:22%;animation:au3 19s ease-in-out infinite alternate}
.aurora i:nth-child(4){left:72%;opacity:.5;width:26%;animation:au4 25s ease-in-out infinite alternate}
@keyframes au1{from{transform:translateX(-6%) skewX(-28deg) scaleY(.9);opacity:.2}to{transform:translateX(9%) skewX(-20deg) scaleY(1.12);opacity:.4}}
@keyframes au2{from{transform:translateX(5%) skewX(-24deg) scaleY(1.1);opacity:.28}to{transform:translateX(-8%) skewX(-32deg) scaleY(.88);opacity:.5}}
@keyframes au3{from{transform:translateX(-7%) skewX(-30deg) scaleY(.95);opacity:.38}to{transform:translateX(6%) skewX(-22deg) scaleY(1.15);opacity:.62}}
@keyframes au4{from{transform:translateX(6%) skewX(-22deg) scaleY(1.12);opacity:.34}to{transform:translateX(-9%) skewX(-30deg) scaleY(.9);opacity:.58}}

/* ---------- "Sous tension" effects ---------- */
.sym-glow{opacity:.25;animation:zapglow 3.4s infinite}
.sym-bolt{animation:zap 3.4s infinite}
@keyframes zapglow{0%,100%{opacity:.25}8%{opacity:.1}10%{opacity:1}13%{opacity:.35}16%{opacity:.95}22%{opacity:.3}60%{opacity:.25}}
@keyframes zap{0%,100%{opacity:1}8%{opacity:.55}10%,16%{opacity:1}13%{opacity:.7}}
.bolt-line{overflow:hidden}
.bolt-line::after{content:"";position:absolute;top:0;bottom:0;left:-25%;width:25%;background:linear-gradient(90deg,transparent,#c9ffe0,transparent);animation:sweep 4.2s linear infinite}
@keyframes sweep{from{left:-25%}to{left:100%}}

.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease;transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:translateY(0)}
.js .card.reveal.in:hover{transform:translateY(-4px);transition-delay:0s;transition-duration:.2s}
.card:hover{box-shadow:0 22px 46px -22px rgba(0,200,83,.55)}
.card .ico{transition:background .2s}
.card .ico svg{transition:stroke .2s}
.card:not(.card-accent):hover .ico{background:var(--green)}
.card:not(.card-accent):hover .ico svg{stroke:#04210f}

/* ---------- Call-to-action strip ---------- */
.cta-strip{position:relative;overflow:hidden;color:#fff;padding-block:64px;background:linear-gradient(110deg,#0A3D23 0%,#0f6a3b 55%,#0A3D23 100%)}
.cta-strip::after{content:"";position:absolute;right:4%;top:-30%;width:260px;height:170%;background:rgba(0,230,110,.12);clip-path:polygon(62% 0,12% 56%,47% 56%,28% 100%,92% 38%,55% 38%);pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px 40px;flex-wrap:wrap}
.cta-copy h2{font-weight:800;font-size:clamp(1.7rem,3.6vw,2.6rem);margin-bottom:10px;max-width:22ch;text-wrap:balance}
.cta-copy p{color:#cfe6d7;font-size:1.08rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-phone{display:inline-flex;align-items:center;gap:12px;background:var(--green);color:#04210f;font-family:var(--head);font-weight:800;font-size:1.55rem;padding:16px 32px;border-radius:999px;text-decoration:none;animation:ring 2.6s infinite;transition:transform .15s}
.btn-phone:hover{transform:translateY(-2px)}
.btn-phone svg{width:26px;height:26px;fill:none;stroke:#04210f;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(0,230,110,.55)}70%,100%{box-shadow:0 0 0 18px rgba(0,230,110,0)}}
@media (max-width:620px){
  .cta-strip{padding-block:48px}
  .cta-actions{width:100%}
  .btn-phone{width:100%;justify-content:center;font-size:1.35rem}
  .aurora i{filter:blur(26px)}
}
@media (prefers-reduced-motion:reduce){
  .aurora i,.sym-glow,.sym-bolt,.bolt-line::after,.btn-phone{animation:none!important}
  .js .reveal{opacity:1!important;transform:none!important}
}

/* ---------- Service area ---------- */
.area .section-head{margin-bottom:32px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:12px}
.chips li{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 20px 11px 16px;font-weight:600;transition:border-color .2s,transform .2s,box-shadow .2s}
.chips li::before{content:"";width:16px;height:16px;flex:none;background:var(--green);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22s7-6.2 7-12a7 7 0 1 0-14 0c0 5.8 7 12 7 12zm0-9.5a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 22s7-6.2 7-12a7 7 0 1 0-14 0c0 5.8 7 12 7 12zm0-9.5a2.5 2.5 0 1 1 0-5 2.5 2.5 0 0 1 0 5z'/%3E%3C/svg%3E") center/contain no-repeat}
.chips li:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(0,200,83,.6)}
.chips li.more{background:var(--forest);border-color:var(--forest);color:#fff}
.chips li.more::before{background:#7dffb0}

/* ---------- Location in the quote form ---------- */
.loc{border:1.5px dashed #c5d3ca;border-radius:12px;padding:18px;display:grid;gap:14px;min-width:0}
.loc legend{font-family:var(--head);font-weight:700;font-size:.95rem;padding-inline:8px}
.loc-help{font-size:.9rem;color:var(--muted)}
.loc-actions{display:flex;flex-wrap:wrap;gap:10px}
.btn-outline{background:transparent;color:var(--forest);border-color:var(--forest)}
.btn-outline:hover{background:var(--forest);color:#fff;box-shadow:none}
.loc-status{font-size:.9rem;font-weight:600;color:var(--forest);min-height:0}
.loc-status:empty{display:none}
.map-frame{border-radius:12px;overflow:hidden;border:1px solid var(--line);height:300px;background:var(--soft)}
.map-frame[hidden]{display:none}
.map-frame iframe{width:100%;height:100%;border:0;display:block}
@media (max-width:620px){
  .loc-actions .btn{width:auto;flex:1 1 140px}
  .map-frame{height:260px}
}