/* IV Solar — sistema visual do site (home + páginas internas). Identidade: Montserrat/Poppins,
   oliva/laranja/teal/creme e as faixas DIAGONAIS da marca como assinatura estrutural. */
:root{
  --olive:#8C9E72;--orange:#E58423;--sun:#F4BC6B;--teal:#39665A;--teal-d:#24463D;--cream:#FFFAE2;--paper:#FFFDF2;
  --ink:#0C1512;--ink-2:#2A3A33;--mute:#5E6B64;--line:rgba(12,21,18,.12);--line-d:rgba(255,250,226,.14);
  --grad:linear-gradient(69deg,#E58423,#F4BC6B);
  --r:18px;--r-lg:28px;--w:1180px;--gut:clamp(16px,4vw,48px);
  --skew:3.2vw; /* altura do corte diagonal entre seções */
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html{overflow-x:hidden}
body{font:400 17px/1.65 Poppins,system-ui,sans-serif;color:var(--ink);background:var(--cream);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:Montserrat,sans-serif;line-height:1.08;letter-spacing:-.02em}
h1{font-weight:900;font-size:clamp(40px,6.6vw,82px)}
h2{font-weight:800;font-size:clamp(30px,4.4vw,54px)}
h3{font-weight:700;font-size:clamp(20px,2.2vw,26px);line-height:1.2}
p.lead{font-size:clamp(18px,1.6vw,22px);line-height:1.5;color:var(--ink-2);max-width:60ch}
h1+p.lead,h2+p.lead,h2+p{margin-top:18px}
/* páginas internas: abertura clara com faixa de foto à direita */
.ph-hero{padding:132px 0 clamp(56px,7vw,96px);background:var(--ink);color:var(--cream);position:relative;overflow:hidden}
.ph-hero .bg{position:absolute;inset:0;background:center/cover no-repeat;opacity:.3}
.ph-hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,21,18,.95) 35%,rgba(12,21,18,.55))}
.ph-hero .wrap{position:relative}
.ph-hero h1{font-size:clamp(36px,5.2vw,66px);max-width:16ch}
.ph-hero h1 em{font-style:normal;color:var(--sun)}
.ph-hero p.lead{color:rgba(255,250,226,.85)}
.ph-hero .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.steps{display:grid;gap:14px;counter-reset:n}
@media(min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps .card{counter-increment:n}
.steps .card::before{content:counter(n,decimal-leading-zero);display:block;font:800 13px Montserrat;color:var(--orange);letter-spacing:.06em;margin-bottom:10px}
.split{display:grid;gap:26px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr}.split.rev>figure{order:-1}}
.split figure{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3}
.split figure img{width:100%;height:100%;object-fit:cover}
.list{list-style:none;display:grid;gap:10px;margin:18px 0}
.list li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2)}
.list li::before{content:"";flex:none;width:9px;height:9px;border-radius:50%;background:var(--orange);margin-top:9px}
.dark .list li,.teal .list li{color:rgba(255,250,226,.82)}
.faq{max-width:820px}
.faq details{border-top:1px solid var(--line);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 0;font:600 17px Poppins}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:700 24px Montserrat;color:var(--orange);flex:none;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 18px;color:var(--ink-2);max-width:70ch}
.final h2{max-width:16ch}
.final .ask{margin-top:28px}
.big{font:800 clamp(30px,4vw,54px)/1 Montserrat;letter-spacing:-.02em;color:var(--orange)}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:22px 0}
.kv b{display:block;font:800 clamp(20px,2vw,28px)/1 Montserrat;color:var(--orange);white-space:nowrap}
.kv span{display:block;font-size:13px;color:var(--mute);margin-top:6px}
.dark .kv b,.teal .kv b{color:var(--sun)}
.dark .kv span,.teal .kv span{color:rgba(255,250,226,.7)}
.wrap{width:min(var(--w),100% - 2*var(--gut));margin-inline:auto}
.sec{position:relative;padding:clamp(72px,9vw,128px) 0}
.sec.dark{background:var(--ink);color:var(--cream)}
.sec.dark p.lead,.sec.dark .mute{color:rgba(255,250,226,.78)}
.sec.teal{background:var(--teal);color:var(--cream)}
.sec.teal p.lead{color:rgba(255,250,226,.82)}
.sec.paper{background:var(--paper)}
.mute{color:var(--mute)}
/* corte diagonal: a faixa inclinada da marca, usada como transição entre fundos */
.cut-t{clip-path:polygon(0 var(--skew),100% 0,100% 100%,0 100%);margin-top:calc(-1*var(--skew));padding-top:calc(clamp(72px,9vw,128px) + var(--skew))}
.cut-b{clip-path:polygon(0 0,100% 0,100% calc(100% - var(--skew)),0 100%);padding-bottom:calc(clamp(72px,9vw,128px) + var(--skew))}
.cut-tb{clip-path:polygon(0 var(--skew),100% 0,100% calc(100% - var(--skew)),0 100%);margin-top:calc(-1*var(--skew));padding-top:calc(clamp(72px,9vw,128px) + var(--skew));padding-bottom:calc(clamp(72px,9vw,128px) + var(--skew))}
.kicker{display:inline-flex;align-items:center;gap:10px;font:600 14px Poppins;color:var(--teal);margin-bottom:18px}
.kicker::before{content:"";width:34px;height:3px;background:var(--orange);border-radius:2px}
.dark .kicker,.teal .kicker{color:var(--olive)}
.head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.head p.lead{margin-top:18px}
/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 26px;border-radius:999px;font:600 16px Poppins;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s,background .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
.btn-sun{background:var(--grad);color:#1a1206;box-shadow:0 10px 26px -10px rgba(229,132,35,.7)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-teal{background:var(--teal);color:var(--cream)}
.btn-ghost{background:transparent;border-color:currentColor}
.btn-cream{background:var(--cream);color:var(--ink)}
.btn svg{width:20px;height:20px;flex:none}
/* cards */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.dark .card,.teal .card{background:rgba(255,250,226,.06);border-color:var(--line-d)}
.card h3{margin-bottom:10px}
.card p{color:var(--ink-2)}
.dark .card p,.teal .card p{color:rgba(255,250,226,.8)}
.grid{display:grid;gap:18px}
@media(min-width:760px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
/* fonte / nota */
.src{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.src a{font:500 12px Poppins;color:var(--teal);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--paper)}
.dark .src a,.teal .src a{color:var(--olive);border-color:var(--line-d);background:transparent}
.note{font-size:14px;color:var(--mute);line-height:1.5}
.dark .note,.teal .note{color:rgba(255,250,226,.62)}
/* reveal: uma entrada discreta por bloco, desligada com reduced-motion */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn:hover{transform:none}}
/* ===== header ===== */
.hdr{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .3s,box-shadow .3s,padding .3s}
.hdr .in{width:min(var(--w),100% - 2*var(--gut));margin-inline:auto;display:flex;align-items:center;gap:22px;height:72px}
.hdr .logo img{height:38px;width:auto}
.hdr nav{display:none;gap:4px;margin-left:auto}
.hdr nav a{font:500 15px Poppins;color:var(--cream);text-decoration:none;padding:8px 12px;border-radius:999px;transition:background .2s}
.hdr nav a:hover,.hdr nav a[aria-current]{background:rgba(255,250,226,.12)}
.hdr .cta{margin-left:auto}
.hdr .cta .btn{min-height:44px;padding:10px 18px;font-size:15px}
.hdr.solid{background:rgba(12,21,18,.92);backdrop-filter:blur(10px);box-shadow:0 6px 30px -16px rgba(0,0,0,.5)}
.hdr.light{background:rgba(255,250,226,.94);backdrop-filter:blur(10px);box-shadow:0 6px 30px -18px rgba(12,21,18,.35)}
.hdr.light nav a{color:var(--ink)}
.hdr.light nav a:hover,.hdr.light nav a[aria-current]{background:rgba(12,21,18,.07)}
.hdr .burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:0;background:transparent;cursor:pointer;margin-left:auto}
.hdr .burger span{width:24px;height:2.5px;background:var(--cream);border-radius:2px;transition:.25s;margin-left:10px}
.hdr.light .burger span{background:var(--ink)}
@media(min-width:1000px){.hdr nav{display:flex}.hdr .cta{margin-left:14px}.hdr .burger{display:none}}
.drawer{position:fixed;inset:0;z-index:70;background:var(--ink);color:var(--cream);padding:24px var(--gut);display:flex;flex-direction:column;gap:8px;transform:translateX(100%);visibility:hidden;transition:transform .35s var(--ease),visibility 0s .35s;overflow:auto}
.drawer.open{transform:none;visibility:visible;transition:transform .35s var(--ease)}
.drawer .x{align-self:flex-end;width:44px;height:44px;border:0;background:transparent;color:var(--cream);font-size:30px;cursor:pointer}
.drawer a{font:700 26px Montserrat;color:var(--cream);text-decoration:none;padding:12px 0;border-bottom:1px solid var(--line-d)}
.drawer .btn{margin-top:18px;align-self:flex-start}
.drawer small{margin-top:auto;color:rgba(255,250,226,.6);font-size:14px}
/* ===== footer ===== */
.ftr{background:var(--ink);color:rgba(255,250,226,.8);padding:72px 0 32px;font-size:15px}
.ftr .cols{display:grid;gap:36px}
@media(min-width:760px){.ftr .cols{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.ftr img{height:40px;width:auto;margin-bottom:16px}
.ftr h4{font:700 14px Montserrat;letter-spacing:.02em;color:var(--cream);margin-bottom:14px}
.ftr ul{list-style:none}
.ftr li{margin:8px 0}
.ftr a{color:rgba(255,250,226,.8);text-decoration:none}
.ftr a:hover{color:var(--sun)}
.ftr .ufs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ftr .ufs span{font:700 13px Montserrat;color:var(--cream);background:rgba(255,250,226,.08);border:1px solid var(--line-d);border-radius:8px;padding:4px 9px}
.ftr .base{margin-top:48px;padding-top:22px;border-top:1px solid var(--line-d);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,250,226,.5)}
/* ===== caixa "pergunte à Sofia" (home e internas) ===== */
.ask{display:flex;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 20px;max-width:640px;box-shadow:0 18px 40px -24px rgba(12,21,18,.35)}
.ask input{flex:1;min-width:0;border:0;background:transparent;font:400 16px Poppins;color:var(--ink);outline:none}
.ask input::placeholder{color:var(--mute)}
.ask button{flex:none}
.dark .ask,.teal .ask{background:rgba(255,250,226,.08);border-color:var(--line-d)}
.dark .ask input,.teal .ask input{color:var(--cream)}
.dark .ask input::placeholder,.teal .ask input::placeholder{color:rgba(255,250,226,.55)}
/* flutuante da Sofia */
.sofia-fab{position:fixed;right:18px;bottom:18px;z-index:50;display:flex;align-items:center;gap:10px;background:var(--ink);color:var(--cream);border:1px solid var(--line-d);border-radius:999px;padding:8px 16px 8px 8px;text-decoration:none;font:600 14px Poppins;box-shadow:0 14px 34px -14px rgba(0,0,0,.6)}
.sofia-fab i{width:36px;height:36px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#1a1206;font:800 15px Montserrat;font-style:normal}
.sofia-fab b{display:none;font-weight:600}
@media(min-width:600px){.sofia-fab b{display:inline}}