/* =========================================================
   SH1 · Sustainable Hub — estilos
   Paleta: azul (água) + verde (energia/economia), clean & moderno
   ========================================================= */
:root{
  --water:#0ea5e9; --water-d:#0284c7; --water-dd:#075985;
  --energy:#16a34a; --energy-l:#22c55e; --mint:#34d399;
  --ink:#0f172a; --muted:#475569; --soft:#64748b;
  --line:#e2e8f0; --bg:#ffffff; --bg-alt:#f4f9fd; --bg-deep:#071a2b;
  --grad:linear-gradient(120deg,#0ea5e9 0%,#16a34a 100%);
  --grad-soft:linear-gradient(120deg,#e0f2fe 0%,#dcfce7 100%);
  --shadow:0 10px 30px -12px rgba(2,32,71,.18);
  --shadow-lg:0 30px 60px -20px rgba(2,32,71,.28);
  --radius:18px; --radius-sm:12px;
  --maxw:1180px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}

/* ---------- Tipografia / utilidades ---------- */
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.25rem;font-weight:700}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--water-d)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.lead{font-size:1.12rem;color:var(--muted)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section{padding:96px 0}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-head h2{margin:14px 0 16px}
.section-head p{color:var(--muted);font-size:1.08rem}
.text-center{text-align:center}

/* ---------- Botões ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:1rem;padding:14px 26px;border-radius:999px;border:0;cursor:pointer;transition:.25s;white-space:nowrap;line-height:1}
.btn i{font-size:.95em}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 24px -8px rgba(14,165,233,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -10px rgba(22,163,74,.5)}
.btn-light{background:#fff;color:var(--water-dd);box-shadow:var(--shadow)}
.btn-light:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--water);color:var(--water-d)}
.btn-lg{padding:17px 34px;font-size:1.06rem}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;padding:18px 0}
.site-header.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(12px);box-shadow:0 6px 24px -16px rgba(2,32,71,.4);padding:11px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.28rem;letter-spacing:-.02em}
.brand .mark{width:38px;height:38px;flex:0 0 auto}
.brand small{display:block;font-size:.6rem;font-weight:600;letter-spacing:.18em;color:var(--soft);text-transform:uppercase;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-weight:500;color:var(--muted);font-size:.97rem;transition:.2s}
.nav-links a:hover{color:var(--water-d)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink);cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:160px 0 90px;background:
  radial-gradient(900px 500px at 85% -10%,rgba(14,165,233,.12),transparent 60%),
  radial-gradient(700px 500px at -10% 30%,rgba(22,163,74,.12),transparent 55%),
  var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero .badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:999px;padding:8px 16px;font-size:.85rem;font-weight:600;color:var(--energy);margin-bottom:24px}
.hero .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--energy-l);box-shadow:0 0 0 4px rgba(34,197,94,.2)}
.hero h1{margin-bottom:20px}
.hero p.lead{max-width:540px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-note{margin-top:22px;font-size:.92rem;color:var(--soft);display:flex;align-items:center;gap:9px}
.hero-note i{color:var(--energy)}

/* hero visual card */
.hero-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);padding:26px;position:relative;overflow:hidden}
.hero-card::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.04}
.hero-card .hc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;position:relative}
.hero-card .hc-title{font-weight:700;font-size:.95rem;color:var(--muted)}
.hero-card .hc-pill{font-size:.72rem;font-weight:700;color:var(--energy);background:#dcfce7;padding:5px 11px;border-radius:999px}
.gauge{position:relative}
.bar-row{display:flex;align-items:center;gap:12px;margin:14px 0;position:relative}
.bar-row .lbl{width:74px;font-size:.82rem;color:var(--soft);font-weight:600}
.bar{flex:1;height:12px;border-radius:999px;background:#eef2f7;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad);width:0;transition:width 1.4s cubic-bezier(.2,.8,.2,1)}
.bar-row .pct{width:42px;text-align:right;font-weight:700;font-size:.85rem;color:var(--ink)}
.hero-card .hc-foot{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);display:flex;align-items:baseline;gap:10px;position:relative}
.hero-card .hc-foot .big{font-size:1.8rem;font-weight:800}
.hero-card .hc-foot .cap{font-size:.82rem;color:var(--soft)}

/* ---------- Faixa de stats ---------- */
.stats{background:var(--bg-deep);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:54px;padding-bottom:54px}
.stat{text-align:center}
.stat .num{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;background:linear-gradient(120deg,#7dd3fc,#86efac);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .lab{color:#9fb3c8;font-size:.92rem;margin-top:6px}

/* ---------- Cards genéricos ---------- */
.grid{display:grid;gap:24px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;color:#fff;background:var(--grad);margin-bottom:18px}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:.97rem}
.bg-alt{background:var(--bg-alt)}

/* ---------- Áreas (água / energia) ---------- */
.area-card{position:relative;overflow:hidden;border-radius:var(--radius);padding:38px;color:#fff;box-shadow:var(--shadow-lg)}
.area-water{background:linear-gradient(150deg,#0ea5e9,#075985)}
.area-energy{background:linear-gradient(150deg,#22c55e,#15803d)}
.area-card .ico{font-size:2rem;margin-bottom:18px}
.area-card h3{font-size:1.5rem;margin-bottom:14px}
.area-card ul{list-style:none;display:grid;gap:11px;margin-top:18px}
.area-card li{display:flex;align-items:flex-start;gap:11px;font-size:.98rem;color:rgba(255,255,255,.92)}
.area-card li i{margin-top:3px;color:rgba(255,255,255,.9)}
.area-card .blob{position:absolute;right:-40px;bottom:-50px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.08)}

/* ---------- Como funciona (passos) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding:30px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:left}
.step .n{width:46px;height:46px;border-radius:13px;background:var(--grad-soft);color:var(--water-dd);font-weight:800;font-size:1.2rem;display:grid;place-items:center;margin-bottom:16px}
.step h3{font-size:1.1rem;margin-bottom:8px}
.step p{font-size:.93rem;color:var(--muted)}
.step:not(:last-child)::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:-16px;top:42px;color:var(--line);font-size:1.1rem;z-index:2}

/* ---------- Diferenciais ---------- */
.feature{display:flex;gap:16px;align-items:flex-start}
.feature .fi{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--grad-soft);color:var(--energy);font-size:1.15rem}
.feature h3{font-size:1.06rem;margin-bottom:5px}
.feature p{color:var(--muted);font-size:.95rem}

/* ---------- Depoimentos ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.quote .stars{color:#f59e0b;margin-bottom:12px;font-size:.9rem}
.quote p{font-style:italic;color:var(--ink);font-size:1rem}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.quote .who b{display:block;font-size:.95rem}
.quote .who span{font-size:.83rem;color:var(--soft)}

/* ---------- CTA + Formulário ---------- */
.cta{background:
  radial-gradient(700px 400px at 90% 10%,rgba(34,197,94,.18),transparent 60%),
  radial-gradient(700px 400px at 0% 90%,rgba(14,165,233,.2),transparent 60%),
  var(--bg-deep);color:#fff}
.cta-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.cta h2{color:#fff}
.cta .lead{color:#c7d6e5}
.cta ul{list-style:none;margin-top:24px;display:grid;gap:14px}
.cta ul li{display:flex;gap:12px;align-items:center;color:#e2eaf2}
.cta ul li i{width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.1);display:grid;place-items:center;color:var(--mint)}
.form-card{background:#fff;color:var(--ink);border-radius:22px;padding:34px;box-shadow:var(--shadow-lg)}
.form-card h3{font-size:1.4rem;margin-bottom:6px}
.form-card .fc-sub{color:var(--muted);font-size:.95rem;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font-size:.97rem;font-family:inherit;color:var(--ink);background:#fcfdfe;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--water);box-shadow:0 0 0 4px rgba(14,165,233,.12);background:#fff}
.field textarea{resize:vertical;min-height:90px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-note{font-size:.82rem;color:var(--soft);margin-top:6px;text-align:center}
.alert{padding:14px 16px;border-radius:12px;font-size:.95rem;margin-bottom:18px;display:flex;gap:10px;align-items:flex-start}
.alert i{margin-top:2px}
.alert-ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}

/* ---------- Footer ---------- */
.site-footer{background:#04101c;color:#9fb3c8;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
.site-footer .brand{color:#fff;margin-bottom:14px}
.site-footer p{font-size:.92rem;line-height:1.7}
.foot-col h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em}
.foot-col a{display:block;font-size:.92rem;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:#7dd3fc}
.foot-contact li{list-style:none;display:flex;gap:11px;align-items:flex-start;font-size:.92rem;margin-bottom:12px}
.foot-contact i{color:var(--mint);margin-top:4px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}
.socials{display:flex;gap:12px}
.socials a{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;transition:.2s}
.socials a:hover{background:var(--grad);color:#fff}

/* WhatsApp flutuante */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-size:1.7rem;box-shadow:0 12px 28px -8px rgba(37,211,102,.6);transition:.25s}
.wa-float:hover{transform:scale(1.08)}

/* ---------- Animações reveal ---------- */
.reveal{transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
/* só esconde quando há JS (progressive enhancement): sem JS o conteúdo aparece normal */
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1!important;transform:none!important;transition:none}}

/* ---------- Responsivo ---------- */
@media(max-width:960px){
  .hero-grid,.cta-grid{grid-template-columns:1fr;gap:40px}
  .hero-card{order:2}
  .cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .section{padding:68px 0}
  .hero{padding:130px 0 70px}
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:64px;left:16px;right:16px;flex-direction:column;background:#fff;padding:18px;border-radius:16px;box-shadow:var(--shadow-lg);gap:6px}
  .nav-links.open a{padding:10px 8px;width:100%;border-radius:8px}
  .cols-3,.cols-4,.cols-2,.steps,.field-row,.foot-grid,.area-grid{grid-template-columns:1fr}
  .stats .container{grid-template-columns:1fr 1fr;gap:30px 16px}
  .form-card{padding:24px}
}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:860px){.area-grid{grid-template-columns:1fr}}