/* ============================================================
   KAYA Energy Group — Website  (liquid-glass edition)
   Brand: Blue #005288 · Green #8CC63F · Green dark #387C2C
   ============================================================ */

:root{
  --blue:#005288;
  --blue-dark:#00406b;
  --blue-deep:#062639;
  --green:#8CC63F;
  --green-dark:#387C2C;
  --ink:#1c2b36;
  --muted:#5c6b76;
  --line:#e6ebef;
  --bg:#ffffff;
  --bg-soft:#f4f7f9;
  --white:#ffffff;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(0,64,107,.10);
  --shadow-lg:0 24px 60px rgba(0,64,107,.16);
  --container:1200px;
  --header-h:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-head:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);
  line-height:1.65;font-size:17px;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.15;color:var(--blue);margin:0 0 .5em}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:100px 0;position:relative}
.section-soft{background:var(--bg-soft)}

/* ---------- Liquid-glass surfaces ---------- */
.glass{
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:0 8px 32px rgba(0,64,107,.12), inset 0 1px 0 rgba(255,255,255,.6);
}
.glass-dark{
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 16px 50px rgba(0,20,40,.25), inset 0 1px 0 rgba(255,255,255,.18);
}

/* ---------- Mesh gradient backdrops ---------- */
.mesh{background:var(--bg)}
.mesh::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(46% 60% at 10% 8%, rgba(140,198,63,.16), transparent 60%),
    radial-gradient(40% 55% at 92% 20%, rgba(0,82,136,.12), transparent 60%),
    radial-gradient(50% 60% at 80% 100%, rgba(56,124,44,.10), transparent 60%);
}
.mesh > .container{position:relative;z-index:1}
.mesh-dark::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(45% 55% at 12% 10%, rgba(140,198,63,.22), transparent 60%),
    radial-gradient(45% 60% at 90% 85%, rgba(0,130,200,.20), transparent 60%);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-head);font-weight:600;font-size:1rem;
  padding:.85em 1.7em;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--green);color:#12331a;box-shadow:0 8px 22px rgba(140,198,63,.4)}
.btn-primary:hover{background:#7cb833;transform:translateY(-3px);box-shadow:0 14px 30px rgba(140,198,63,.5)}
.btn-glass{
  background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-glass:hover{background:#fff;color:var(--blue);transform:translateY(-3px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-3px)}
.btn-lg{font-size:1.05rem;padding:1em 2em}
.btn:focus-visible,.nav-links a:focus-visible,.lang-toggle button:focus-visible,.c-arrow:focus-visible,.carousel .slide:focus-visible,.menu-btn:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:8px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);display:flex;align-items:center;
  background:transparent;transition:background .35s var(--ease),box-shadow .35s var(--ease),backdrop-filter .35s;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;width:100%}
.site-header.scrolled{
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);
  box-shadow:0 4px 24px rgba(0,64,107,.10);border-bottom:1px solid rgba(255,255,255,.5);
}
.brand img{height:44px;width:auto;transition:height .3s var(--ease)}
.brand .logo-white{display:block;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.brand .logo-color{display:none}
.site-header.scrolled .brand .logo-white{display:none}
.site-header.scrolled .brand .logo-color{display:block}

.nav{display:flex;align-items:center;gap:30px}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{
  font-family:var(--font-head);font-weight:600;font-size:.93rem;color:#fff;position:relative;padding:4px 0;
  transition:color .2s var(--ease);text-shadow:0 1px 4px rgba(0,0,0,.25);
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--green);transition:width .25s var(--ease)}
.nav-links a:hover::after{width:100%}
.site-header.scrolled .nav-links a{color:var(--ink);text-shadow:none}
.site-header.scrolled .nav-links a:hover{color:var(--blue)}

.header-actions{display:flex;align-items:center;gap:16px}
.lang-toggle{display:flex;align-items:center;gap:2px;border:1.5px solid rgba(255,255,255,.6);border-radius:999px;overflow:hidden}
.site-header.scrolled .lang-toggle{border-color:var(--line)}
.lang-toggle button{
  background:transparent;border:0;cursor:pointer;font-family:var(--font-head);font-weight:600;font-size:.8rem;
  color:#fff;padding:6px 12px;transition:background .2s,color .2s;letter-spacing:.03em;
}
.site-header.scrolled .lang-toggle button{color:var(--muted)}
.lang-toggle button.active{background:var(--green);color:#12331a}
.site-header.scrolled .lang-toggle button.active{background:var(--blue);color:#fff}

.menu-btn{display:none;background:transparent;border:0;cursor:pointer;width:44px;height:44px;padding:0}
.menu-btn span{display:block;width:26px;height:2.5px;background:#fff;margin:5px auto;border-radius:2px;transition:.3s var(--ease)}
.site-header.scrolled .menu-btn span{background:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;padding-top:var(--header-h);
  background:linear-gradient(120deg,rgba(0,40,67,.82),rgba(0,64,107,.48) 55%,rgba(56,124,44,.4)),
             url('../img/hero.jpg') center/cover no-repeat;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,32,54,.9),transparent 42%);pointer-events:none}
.hero .container{position:relative;z-index:2;max-width:920px}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-head);font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;color:#eaffd0;
  padding:8px 18px;border-radius:999px;margin-bottom:26px;
  background:rgba(140,198,63,.18);border:1px solid rgba(140,198,63,.4);
}
.hero h1{color:#fff;font-size:clamp(2.2rem,5.2vw,3.7rem);margin-bottom:.4em;max-width:20ch;text-shadow:0 2px 20px rgba(0,20,40,.35)}
.hero .lead{font-size:clamp(1.05rem,2vw,1.32rem);max-width:60ch;color:rgba(255,255,255,.94);font-weight:300}
.hero .tagline{font-family:var(--font-head);font-weight:600;font-size:1.15rem;color:var(--green);margin:26px 0 34px;text-shadow:0 2px 12px rgba(0,20,40,.4)}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.7);font-size:1.6rem;animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}

/* ---------- Stats band ---------- */
.stats{background:linear-gradient(120deg,var(--blue),var(--blue-dark) 60%,#0a3a5c);color:#fff;padding:64px 0;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(40% 80% at 85% 0%,rgba(140,198,63,.22),transparent 60%);pointer-events:none}
.stats .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stats .stat{border-radius:var(--radius);padding:26px 18px}
.stats .stat.glass{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18)}
.stat .num{font-family:var(--font-head);font-weight:800;font-size:clamp(2rem,4vw,2.9rem);color:#fff;line-height:1}
.stat .num span{color:var(--green)}
.stat .label{font-size:.92rem;color:rgba(255,255,255,.85);margin-top:10px}

/* ---------- Section heading ---------- */
.sec-head{text-align:center;max-width:740px;margin:0 auto 60px}
.sec-head .kicker{font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;color:var(--green-dark);margin-bottom:12px;display:block}
.sec-head h2{font-size:clamp(1.8rem,3.5vw,2.6rem)}
.sec-head p{color:var(--muted);font-size:1.1rem}
.sec-head .rule{width:64px;height:4px;background:linear-gradient(90deg,var(--green),var(--green-dark));border-radius:4px;margin:18px auto 0}
.sec-head-light .kicker{color:#bfe98a}
.sec-head-light h2{color:#fff}
.sec-head-light p{color:rgba(255,255,255,.85)}

/* ---------- Services ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{border-radius:var(--radius);padding:38px 30px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card.glass{background:rgba(255,255,255,.62)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.card .icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;margin-bottom:22px;box-shadow:0 10px 20px rgba(56,124,44,.3)}
.card .icon svg{width:30px;height:30px}
.card h3{font-size:1.25rem;margin-bottom:.5em}
.card p{color:var(--muted);font-size:.98rem;margin:0}

/* ---------- Finance ---------- */
.section-blue{background:linear-gradient(140deg,var(--blue-dark),#083b5e 55%,#0a2f49);color:#fff;overflow:hidden}
.fin-block{border-radius:var(--radius);padding:44px;margin-bottom:34px}
.fin-block:last-child{margin-bottom:0}
.fin-block-head{max-width:760px;margin-bottom:32px}
.fin-block-head h3{color:#fff;font-size:1.6rem;margin-bottom:.4em}
.fin-block-head p{color:rgba(255,255,255,.85);margin:0}
.fin-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:34px}
.fin-feature{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:26px 22px}
.fin-ico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fin-ico svg{width:26px;height:26px}
.fin-feature h4{color:#fff;font-size:1.08rem;margin-bottom:.4em}
.fin-feature p{color:rgba(255,255,255,.8);font-size:.92rem;margin:0}

/* Diagram */
.tp-diagram{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;margin:10px 0 30px}
.tp-diagram .node{
  width:130px;height:130px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 35% 30%,#a6d95f,var(--green-dark));
  box-shadow:0 14px 34px rgba(56,124,44,.45), inset 0 2px 6px rgba(255,255,255,.4);
}
.tp-diagram .node-label{font-family:var(--font-head);font-weight:800;color:#fff;font-size:1.35rem;letter-spacing:.02em;text-shadow:0 1px 4px rgba(0,0,0,.25)}
.tp-diagram .node-client{background:radial-gradient(circle at 35% 30%,#3aa0dd,var(--blue))}
.tp-diagram .flows{display:flex;flex-direction:column;gap:12px;flex:1 1 320px;max-width:440px}
.tp-diagram .flow{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;
  padding:12px 22px;color:#fff;font-family:var(--font-head);font-weight:600;font-size:.95rem;
}
.tp-diagram .flow .arr{color:var(--green);font-style:normal;font-size:1.2rem}

.two-opt-label{text-align:center;margin:6px 0 24px;position:relative}
.two-opt-label span{font-family:var(--font-head);font-weight:700;color:#bfe98a;text-transform:uppercase;letter-spacing:.14em;font-size:.85rem;padding:0 16px}
.tp-options{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.tp-option{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:28px 26px;border-top:3px solid var(--green)}
.tp-option:last-child{border-top-color:#3aa0dd}
.tp-option h4{color:#fff;font-size:1.2rem;margin-bottom:.5em}
.tp-option p{color:rgba(255,255,255,.82);font-size:.94rem;margin:0}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;text-align:center;padding:0 10px}
.step .circle{width:82px;height:82px;border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;background:#fff;border:3px solid var(--green);color:var(--blue);position:relative;z-index:2;box-shadow:0 10px 24px rgba(0,64,107,.12);transition:transform .3s var(--ease)}
.step:hover .circle{transform:translateY(-6px) scale(1.05)}
.step .circle svg{width:34px;height:34px}
.step .n{position:absolute;top:-6px;right:calc(50% - 48px);width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--font-head);font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;z-index:3}
.step:not(:last-child)::after{content:"";position:absolute;top:41px;left:60%;width:80%;height:2px;background:repeating-linear-gradient(90deg,var(--green) 0 8px,transparent 8px 16px);z-index:1}
.step h4{font-size:1.1rem;margin-bottom:.35em}
.step p{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- Projects gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:var(--radius-sm);cursor:pointer;background:#0a2b45;box-shadow:var(--shadow)}
.gallery figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),opacity .3s}
.gallery figure:hover img{transform:scale(1.09);opacity:.82}
.gallery figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px;color:#fff;font-family:var(--font-head);font-weight:600;font-size:.95rem;background:linear-gradient(to top,rgba(0,32,54,.9),transparent);opacity:0;transform:translateY(10px);transition:.3s var(--ease)}
.gallery figure figcaption small{display:block;font-weight:400;font-size:.8rem;color:var(--green)}
.gallery figure:hover figcaption{opacity:1;transform:none}
.gallery .wide{grid-column:span 2}
.gallery .tall{grid-row:span 2}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:3/2;object-fit:cover}
.about-media .badge{position:absolute;right:-18px;bottom:-18px;border-radius:var(--radius);padding:18px 22px;font-family:var(--font-head);background:rgba(140,198,63,.9);color:#12331a}
.about-media .badge strong{display:block;font-size:1.9rem;font-weight:800;line-height:1}
.about-media .badge span{font-size:.85rem;font-weight:600}
.about-text .kicker{font-family:var(--font-head);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;color:var(--green-dark);display:block;margin-bottom:10px}
.about-text h2{font-size:clamp(1.8rem,3.5vw,2.5rem);margin-bottom:.5em}
.about-text .positioning{font-family:var(--font-head);font-weight:600;font-size:1.2rem;color:var(--blue);line-height:1.45;border-left:4px solid var(--green);padding-left:18px;margin-bottom:1.1em}
.about-text > p{color:var(--muted);font-size:1rem}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.value{background:rgba(255,255,255,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.6);border-radius:var(--radius-sm);padding:18px;border-left:4px solid var(--green)}
.value h4{font-size:1rem;margin-bottom:4px}
.value p{font-size:.85rem;color:var(--muted);margin:0}

/* ---------- Clients ---------- */
.clients-note{text-align:center;color:var(--muted);margin-bottom:36px}
.clients-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.client-logo{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);height:110px;display:flex;align-items:center;justify-content:center;padding:18px;color:var(--muted);font-family:var(--font-head);font-weight:700;text-align:center;font-size:.9rem;transition:box-shadow .25s var(--ease),transform .25s var(--ease)}
.client-logo:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.client-logo img{max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.75;transition:.25s}
.client-logo:hover img{filter:none;opacity:1}
.client-placeholder{border-style:dashed}

/* ---------- Contact / CTA ---------- */
.cta-band{position:relative;color:#fff;text-align:center;background:linear-gradient(rgba(0,40,67,.9),rgba(0,64,107,.9)),url('../img/team.jpg') center/cover fixed}
.cta-band h2{color:#fff;font-size:clamp(1.9rem,3.8vw,2.8rem)}
.cta-band p{max-width:60ch;margin:0 auto 32px;color:rgba(255,255,255,.9);font-size:1.15rem}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:900px;margin:44px auto 0}
.contact-card{border-radius:var(--radius);padding:30px 24px;transition:.25s var(--ease)}
.contact-card.glass{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.2)}
.contact-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.16)}
.contact-card .ico,.map-info .ico{width:52px;height:52px;border-radius:14px;background:var(--green);color:#12331a;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.contact-card .ico svg,.map-info .ico svg{width:26px;height:26px}
.contact-card h4{color:#fff;font-size:1.05rem;margin-bottom:6px}
.contact-card a{color:rgba(255,255,255,.9);font-size:.98rem;word-break:break-word}
.contact-card a:hover{color:var(--green)}

.contact-map{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;max-width:1000px;margin:34px auto 0;align-items:stretch}
.map-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);min-height:280px;border:1px solid rgba(255,255,255,.2)}
.map-frame iframe{width:100%;height:100%;min-height:280px;border:0;display:block;filter:grayscale(.15)}
.map-info{border-radius:var(--radius);padding:30px 26px;text-align:left;display:flex;flex-direction:column;justify-content:center}
.map-info .ico{margin:0 0 16px}
.map-info h4{color:#fff;font-size:1.1rem;margin-bottom:.4em}
.map-info p{color:rgba(255,255,255,.9);margin:0;font-size:1rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-deep);color:rgba(255,255,255,.72);padding:66px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;margin-bottom:44px}
.site-footer .brand img{height:52px;margin-bottom:18px}
.site-footer p{font-size:.95rem;max-width:40ch}
.site-footer h5{color:#fff;font-family:var(--font-head);font-size:1rem;margin:0 0 16px;text-transform:uppercase;letter-spacing:.06em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:.95rem;transition:color .2s}
.site-footer ul a:hover{color:var(--green)}
.footer-locations span{display:block;font-size:.95rem;margin-bottom:8px}
.footer-locations b{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:rgba(255,255,255,.5)}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;background:rgba(4,22,36,.9);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:200;display:none;align-items:center;justify-content:center;padding:30px;opacity:0;transition:opacity .25s var(--ease)}
.lightbox.open{display:flex;opacity:1}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .close,.lightbox .nav{position:absolute;background:rgba(255,255,255,.14);border:0;color:#fff;cursor:pointer;border-radius:50%;width:52px;height:52px;font-size:1.4rem;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox .close:hover,.lightbox .nav:hover{background:var(--green);color:#12331a}
.lightbox .close{top:24px;right:24px}
.lightbox .prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox .next{right:24px;top:50%;transform:translateY(-50%)}

/* ---------- Floating WhatsApp ---------- */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(37,211,102,.5);transition:transform .2s var(--ease)}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:32px;height:32px}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(30px);filter:blur(6px);transition:opacity .8s var(--ease),transform .8s var(--ease),filter .8s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;filter:none;transition:none}.scroll-hint{animation:none}}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-media .badge{right:16px}
  .cards,.steps,.fin-features{grid-template-columns:repeat(2,1fr);gap:22px}
  .step:not(:last-child)::after{display:none}
  .clients-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{background-attachment:scroll}
  .fin-block{padding:32px}
  .contact-map{grid-template-columns:1fr}
}
@media(max-width:760px){
  section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .contact-grid{grid-template-columns:1fr}
  .fin-features,.tp-options{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .gallery .wide{grid-column:span 2}
  .gallery .tall{grid-row:span 1}
  .tp-diagram{flex-direction:column}
  .tp-diagram .flows{width:100%}
  .menu-btn{display:block}
  .nav{position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;gap:0;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 20px 40px rgba(0,64,107,.14);max-height:0;overflow:hidden;transition:max-height .4s var(--ease);align-items:stretch}
  .nav.open{max-height:88vh;padding:10px 0 20px}
  .nav-links{flex-direction:column;gap:0;width:100%}
  .nav-links a{color:var(--ink);text-shadow:none;padding:15px 24px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .header-actions{padding:16px 24px 0;justify-content:space-between}
  .lang-toggle{border-color:var(--line)}
  .lang-toggle button{color:var(--muted)}
  body.menu-open .site-header{background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
  body.menu-open .menu-btn span{background:var(--ink)}
  body.menu-open .brand .logo-white{display:none}
  body.menu-open .brand .logo-color{display:block}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .cards,.steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%;justify-content:center}
  .fin-block{padding:24px 20px}
}

/* ============================================================
   INTRO SPLASH
   ============================================================ */
body.intro-lock{overflow:hidden}
.intro{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#00406b,#005288 45%,#387C2C);
  transition:opacity .6s var(--ease),visibility .6s var(--ease);
  animation:introSafety .6s var(--ease) 3.2s forwards; /* fallback if JS never runs */
}
.intro.hide{opacity:0;visibility:hidden;animation:none}
@keyframes introSafety{to{opacity:0;visibility:hidden;pointer-events:none}}
.intro-inner{text-align:center;padding:24px}
.intro-logo{width:min(340px,72vw);margin:0 auto;opacity:0;transform:translateY(16px) scale(.96);animation:introLogo .9s var(--ease) .15s forwards}
.intro-tagline{color:#bfe98a;font-family:var(--font-head);font-weight:600;font-size:1.05rem;margin-top:18px;opacity:0;animation:introFade .7s var(--ease) .7s forwards}
.intro-bar{width:180px;height:3px;border-radius:3px;background:rgba(255,255,255,.2);margin:26px auto 0;overflow:hidden;opacity:0;animation:introFade .5s var(--ease) .9s forwards}
.intro-bar span{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--green),#fff);transform:translateX(-100%);animation:introBar 1.3s var(--ease) 1s forwards}
@keyframes introLogo{to{opacity:1;transform:none}}
@keyframes introFade{to{opacity:1}}
@keyframes introBar{to{transform:translateX(0)}}
@media(prefers-reduced-motion:reduce){.intro-logo,.intro-tagline,.intro-bar{animation:none;opacity:1;transform:none}}

/* ============================================================
   SOLAR CALCULATOR
   ============================================================ */
.calc-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:26px;align-items:start}
.calc-form{border-radius:var(--radius);padding:32px;background:rgba(255,255,255,.68)}
.calc-field{display:block;margin-bottom:20px}
.calc-field > span{display:block;font-family:var(--font-head);font-weight:600;font-size:.92rem;color:var(--blue);margin-bottom:8px}
.calc-field input{
  width:100%;font-size:1.15rem;font-family:var(--font-head);font-weight:600;color:var(--ink);
  padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:#fff;transition:border-color .2s,box-shadow .2s;
}
.calc-field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(140,198,63,.18)}
.calc-help{display:block;color:var(--muted);font-size:.8rem;font-weight:400;margin-top:6px;font-family:var(--font-body)}
.calc-form .btn{width:100%;justify-content:center;margin-top:4px}
.calc-out{min-height:100%;display:flex;align-items:stretch}
.calc-empty{margin:auto;color:var(--muted);text-align:center;font-size:1.05rem;padding:30px}
.calc-results{display:none;width:100%;background:linear-gradient(140deg,var(--blue),var(--blue-dark));border-radius:var(--radius);padding:32px;color:#fff;box-shadow:var(--shadow-lg)}
.calc-results.show{display:block;animation:introFade .4s var(--ease) forwards}
.calc-results.show + .calc-empty{display:none}
.calc-res-title{color:#fff;font-size:1.2rem;margin-bottom:20px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px}
.calc-metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px 18px}
.calc-metric.hl{background:rgba(140,198,63,.18);border-color:rgba(140,198,63,.4)}
.cm-label{display:block;font-size:.82rem;color:rgba(255,255,255,.82);margin-bottom:6px}
.cm-val{display:block;font-family:var(--font-head);font-weight:800;font-size:1.4rem;color:#fff}
.calc-metric.hl .cm-val{color:#d6f5a6}
.calc-results .btn{width:100%;justify-content:center}
.calc-disclaimer{border-radius:var(--radius);padding:26px 30px;margin-top:30px;background:rgba(255,255,255,.7)}
.cd-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:var(--green-dark)}
.cd-head svg{width:24px;height:24px;flex:0 0 auto}
.cd-head strong{font-family:var(--font-head);font-size:1rem;color:var(--ink)}
.calc-disclaimer > p{color:var(--muted);font-size:.92rem;margin-bottom:12px}
.calc-assumptions{margin:0;padding-left:20px;color:var(--muted);font-size:.86rem}
.calc-assumptions li{margin-bottom:5px}

/* ============================================================
   STORAGE / BESS
   ============================================================ */
.bess-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:stretch;margin-bottom:40px}
.bess-media{min-height:320px}
.bess-media img{width:100%;height:100%;min-height:340px;max-height:520px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.15)}
.bess-photo-placeholder{
  height:100%;min-height:320px;border-radius:var(--radius);border:2px dashed rgba(255,255,255,.35);
  background:rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  color:rgba(255,255,255,.6);text-align:center;padding:30px;
}
.bess-photo-placeholder svg{width:64px;height:64px;color:var(--green)}
.bess-photo-placeholder span{font-family:var(--font-head);font-weight:600;font-size:.95rem;max-width:22ch}
.bess-lead{font-family:var(--font-head);font-weight:700;color:var(--green);font-size:1.3rem;margin-bottom:.4em}
.bess-text > p{color:rgba(255,255,255,.88)}
.bess-benefits{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.bess-benefit{display:flex;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:16px}
.bess-benefit .bb-ico{font-size:1.5rem;line-height:1}
.bess-benefit h4{color:#fff;font-size:1rem;margin-bottom:2px}
.bess-benefit p{color:rgba(255,255,255,.75);font-size:.85rem;margin:0}
.bess-diagram{border-radius:var(--radius);padding:30px 24px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.bd-node{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:96px}
.bd-node .bd-ico{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.7rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}
.bd-node.accent .bd-ico{background:radial-gradient(circle at 35% 30%,#a6d95f,var(--green-dark));border-color:transparent;box-shadow:0 10px 24px rgba(56,124,44,.45)}
.bd-node .bd-label{font-family:var(--font-head);font-weight:600;font-size:.82rem;color:#fff;text-align:center;max-width:12ch}
.bd-arrow{color:var(--green);font-size:1.5rem;font-style:normal}
.bd-arrow.bd-grid{color:#7fc3ec}
.bess-cycle{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.bess-cycle .cycle{font-family:var(--font-head);font-weight:600;font-size:.88rem;padding:9px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.2)}
.bess-cycle .day{background:rgba(140,198,63,.16);color:#d6f5a6}
.bess-cycle .night{background:rgba(0,130,200,.16);color:#bfe3f7}

/* ============================================================
   PROJECTS CAROUSEL (swipe)
   ============================================================ */
.carousel{position:relative}
.carousel-track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  padding:6px 2px 14px;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.carousel-track::-webkit-scrollbar{display:none}
.carousel .slide{
  flex:0 0 clamp(280px,32%,400px);height:300px;scroll-snap-align:center;margin:0;position:relative;
  overflow:hidden;border-radius:var(--radius);cursor:pointer;background:#0a2b45;box-shadow:var(--shadow);
}
.carousel .slide img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.carousel .slide:hover img{transform:scale(1.07)}
.carousel .slide figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px;color:#fff;font-family:var(--font-head);font-weight:600;
  font-size:1rem;background:linear-gradient(to top,rgba(0,32,54,.92),transparent);
}
.carousel .slide figcaption small{display:block;font-weight:400;font-size:.82rem;color:var(--green);margin-top:2px}
.c-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:48px;height:48px;border-radius:50%;
  border:0;cursor:pointer;background:#fff;color:var(--blue);font-size:1.6rem;line-height:1;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:.2s var(--ease);
}
.c-arrow:hover{background:var(--green);color:#12331a;transform:translateY(-50%) scale(1.08)}
.c-prev{left:-8px}
.c-next{right:-8px}

@media(max-width:980px){
  .calc-wrap{grid-template-columns:1fr}
  .bess-grid{grid-template-columns:1fr;gap:30px}
  .bess-media{min-height:240px}
  .bess-photo-placeholder{min-height:240px}
}
@media(max-width:760px){
  .calc-grid{grid-template-columns:1fr 1fr}
  .bess-benefits{grid-template-columns:1fr}
  .bd-arrow{transform:rotate(90deg)}
  .bess-diagram{flex-direction:column}
  .carousel .slide{flex-basis:82%;height:260px}
  .c-prev{left:2px}.c-next{right:2px}
}
@media(max-width:480px){
  .calc-grid{grid-template-columns:1fr}
  .calc-form,.calc-results{padding:24px}
}