/* Green Volt — static site stylesheet */

:root{
  --primary:#1d724a;
  --primary-dark:#155c3a;
  --primary-soft:#e9f2ed;
  --accent:#6fd3a6;
  --bg:#f9f9f6;
  --fg:#0e1b14;
  --muted:#5f6d65;
  --card:#ffffff;
  --border:#dce5e0;
  --radius:12px;
  --shadow:0 12px 32px -14px rgba(14,27,20,.22);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-header .bar{max-width:1120px;margin:0 auto;padding:0 24px;height:92px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo img{height:58px;width:auto}
.nav{display:flex;align-items:center;gap:22px}
.nav a{font-size:14px;font-weight:500;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a.on{color:var(--primary)}
.menu-toggle{display:none;background:none;border:0;font-size:26px;line-height:1;color:var(--fg);cursor:pointer;padding:6px 8px}
.mobile-nav{display:none;flex-direction:column;gap:16px;padding:18px 24px 24px;border-top:1px solid var(--border);background:#fff}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:15px;font-weight:500;color:var(--fg)}
@media(max-width:980px){
  .nav{display:none}
  .menu-toggle{display:block}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:var(--radius);background:var(--primary);color:#fff;font-weight:600;font-size:14px;border:0;cursor:pointer;font-family:inherit;transition:background .2s}
.btn:hover{background:var(--primary-dark)}
.btn-sm{padding:10px 20px}
.btn-outline{background:var(--card);color:var(--fg);border:1px solid var(--border)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section-sm{padding:60px 0}
.label{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary)}
.section-title{margin-top:12px;font-size:clamp(26px,4vw,34px)}
.lead{margin-top:16px;max-width:640px;color:var(--muted)}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.mt{margin-top:48px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:160px 0 90px}
.hero .bg,.hero .veil{position:absolute;inset:0}
.hero .bg{background:url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1600&q=80') center/cover no-repeat}
.hero .veil{background:rgba(249,249,246,.92)}
.hero .inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.badge{display:inline-block;padding:7px 16px;border-radius:999px;background:var(--primary-soft);border:1px solid var(--border);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--primary-dark)}
.hero h1{margin-top:24px;font-size:clamp(34px,5.4vw,58px);font-weight:900}
.grad{background:linear-gradient(135deg,#1d724a,#2f9e77);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin-top:22px;max-width:460px;font-size:17px;color:var(--muted)}
.hero .actions{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap}
.hero img{border-radius:18px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
@media(max-width:860px){
  .hero{padding:130px 0 70px}
  .hero .inner{grid-template-columns:1fr;gap:40px}
}

/* ---------- grids ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}}
@media(max-width:640px){.g4,.g2{grid-template-columns:1fr}}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px;transition:box-shadow .25s,border-color .25s}
.card:hover{box-shadow:var(--shadow);border-color:#bcd4c6}
.card h3{font-size:17px;font-weight:700}
.card p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.num{font-size:30px;font-weight:900;color:var(--primary);opacity:.25;margin-bottom:10px}
.band{margin-top:56px}
.band img{width:100%;max-height:420px;object-fit:cover}

/* ---------- process ---------- */
.process{background:var(--fg);color:#fff}
.process .label{color:var(--accent)}
.process .lead{color:rgba(255,255,255,.7)}
.steps{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:52px}
.step{width:100%;max-width:640px;border:1px solid rgba(111,211,166,.28);background:rgba(255,255,255,.05);border-radius:16px;padding:26px;text-align:center}
.step .n{font-size:22px;font-weight:900;color:var(--accent)}
.step h3{margin-top:8px;font-size:16px;font-weight:700}
.step p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.7)}
.arrow{color:var(--accent);font-size:20px;line-height:1}

/* ---------- testimonials ---------- */
.stars{color:#e0a92b;letter-spacing:2px;font-size:14px;margin-bottom:12px}
.quote{font-size:14.5px;color:var(--muted)}
.who{margin-top:18px;display:flex;flex-direction:column}
.who b{font-size:14px}
.who span{font-size:13px;color:var(--muted)}

/* ---------- why us ---------- */
.why{position:relative;overflow:hidden}
.why .bg,.why .veil{position:absolute;inset:0}
.why .bg{background:url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?w=1600&q=80') center/cover no-repeat}
.why .veil{background:rgba(249,249,246,.93)}
.why .inner{position:relative}
.stat{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px}
.stat .v{font-size:34px;font-weight:900;color:var(--primary)}
.stat b{display:block;margin-top:8px;font-size:15px}
.stat p{margin-top:6px;font-size:14px;color:var(--muted)}
.promise{margin-top:24px;border-radius:16px;padding:32px;background:linear-gradient(135deg,#1d724a,#2f9e77);color:#fff}
.promise b{font-size:18px}
.promise p{margin-top:6px;font-size:14.5px;color:rgba(255,255,255,.92)}

/* ---------- contact ---------- */
.contact{position:relative;overflow:hidden}
.contact .bg,.contact .veil{position:absolute;inset:0}
.contact .bg{background:url('https://images.unsplash.com/photo-1521791136064-7986c2920216?w=1600&q=80') center/cover no-repeat}
.contact .veil{background:rgba(249,249,246,.93)}
.contact .inner{position:relative}
.info{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);align-content:start}
@media(max-width:640px){.info{grid-template-columns:1fr}}
.info .card{padding:20px}
.info .k{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary)}
.info .v{margin-top:6px;font-size:14.5px;font-weight:500}
.form-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px}
.form{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.form input,.form textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:10px;font-family:inherit;font-size:14.5px;background:#fff;color:var(--fg);outline:none}
.form input:focus,.form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,114,74,.12)}
.form textarea{resize:vertical}
.note{margin-top:16px;padding:14px 16px;border-radius:10px;background:var(--primary-soft);color:var(--primary-dark);font-size:14px;display:none}

/* ---------- inner pages ---------- */
.page{padding:150px 0 90px}
.page h1{font-size:clamp(30px,4.6vw,42px)}
.page .body{margin-top:26px;display:flex;flex-direction:column;gap:20px;color:var(--muted);font-size:16.5px}

/* ---------- footer ---------- */
.site-footer{background:var(--fg);color:#fff;padding:60px 0 30px}
.site-footer .cols{display:grid;gap:36px;grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.site-footer .cols{grid-template-columns:1fr}}
.site-footer img{height:58px;width:auto;margin-bottom:14px}
.site-footer .tag{font-size:14px;color:rgba(255,255,255,.7);max-width:280px}
.site-footer h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55);margin:0 0 16px;font-weight:700}
.site-footer li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px}
.site-footer a:hover{color:var(--accent)}
.site-footer .copy{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- whatsapp ---------- */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.22);transition:transform .2s}
.wa:hover{transform:scale(1.06)}
.wa svg{width:30px;height:30px;fill:#fff}