/* ==========================================================================
   Banho Ideal Aquecedores — Sistema de design
   Paleta "aconchego": teal profundo + coral quente + creme
   ========================================================================== */

:root{
  --ink:#0f2a2e;
  --teal:#0e5c63;
  --teal-700:#0a464c;
  --teal-50:#e9f3f3;
  --coral:#ff6a45;
  --coral-600:#f2542d;
  --amber:#ffb347;
  --cream:#fbf7f2;
  --white:#ffffff;
  --muted:#5b6b6c;
  --line:#e7ded4;
  --shadow:0 18px 40px -18px rgba(15,42,46,.28);
  --shadow-sm:0 8px 22px -14px rgba(15,42,46,.35);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1140px;
  --font-head:"Poppins",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;margin:0 0 .4em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}

.container{width:min(100% - 2.4rem,var(--maxw));margin-inline:auto}
.section{padding:clamp(3.5rem,7vw,6rem) 0;background:linear-gradient(180deg,#fbf7f2 0%,#f6efe6 100%)}
.section--tint{background:linear-gradient(180deg,#ffffff 0%,#fcf9f4 100%)}
.center{text-align:center}
.eyebrow{
  display:inline-block;font-family:var(--font-head);font-weight:600;
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--coral-600);margin-bottom:.6rem;
}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.center .lead{margin-inline:auto}
.section__head{max-width:64ch;margin:0 auto 2.6rem;text-align:center}

/* ---------- Botões ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-head);font-weight:600;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:1.15em;height:1.15em}
.btn--wa{background:var(--coral);color:#fff;box-shadow:var(--shadow-sm)}
.btn--wa:hover{background:var(--coral-600)}
.btn--ghost{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn--ghost:hover{background:var(--teal);color:#fff}
.btn--light{background:#fff;color:var(--teal)}
.btn--teal{background:var(--teal);color:#fff}
.btn--teal:hover{background:var(--teal-700)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(251,247,242,.92);
  backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0;position:relative}
.brand{display:flex;align-items:center;gap:.6rem}
.brand img{height:46px;width:auto;display:block}
.nav__links{display:flex;gap:1.6rem;font-weight:500;position:absolute;left:50%;transform:translateX(-50%)}
.nav__links a{padding:.3rem 0;color:var(--ink);position:relative}
.nav__links a:hover{color:var(--teal)}
.nav__links a.active{color:var(--teal)}
.nav__cta{display:flex;align-items:center;gap:.6rem}
.nav__phone{font-family:var(--font-head);font-weight:600;color:var(--teal);white-space:nowrap}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:.4rem;z-index:60}
.nav__toggle span{display:block;width:26px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav__toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav__toggle.open span:nth-child(2){opacity:0}
.nav__toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.nav__mobile-extra{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-3;background:url("../img/hero.webp") center right/cover no-repeat;transform:scale(1.03)}
.hero__overlay{position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(100deg, rgba(6,42,46,.985) 0%, rgba(9,60,66,.93) 40%, rgba(12,80,86,.66) 66%, rgba(14,92,99,.24) 100%),
    radial-gradient(120% 120% at 92% 8%, rgba(255,106,69,.34), transparent 52%);
}
.hero__texture{position:absolute;inset:0;z-index:-1;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px, transparent 1.4px);background-size:20px 20px;
  mask-image:linear-gradient(100deg,#000 0%,#000 45%,transparent 78%);
  -webkit-mask-image:linear-gradient(100deg,#000 0%,#000 45%,transparent 78%);
}
.hero__inner{display:flex;align-items:center;min-height:clamp(520px,72vh,680px);padding:clamp(2.5rem,6vw,4rem) 0}
.hero__content{max-width:640px}
.hero h1{color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.25)}
.hero .lead{color:rgba(255,255,255,.92)}
.hero__badges{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.4rem 0}
.chip{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;padding:.45rem .9rem;border-radius:999px;font-size:.88rem;font-weight:500;backdrop-filter:blur(4px)}
.chip svg{width:1.1em;height:1.1em;color:var(--amber)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.7rem}

/* ---------- Placeholder de imagem ---------- */
.ph{
  width:100%;height:100%;min-height:120px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:.4rem;text-align:center;
  background:
    linear-gradient(135deg,rgba(14,92,99,.10),rgba(255,106,69,.10)),
    repeating-linear-gradient(45deg,#0000 0 12px,rgba(15,42,46,.04) 12px 24px);
  color:var(--teal);border:2px dashed rgba(14,92,99,.35);border-radius:inherit;
  font-family:var(--font-head);font-weight:600;font-size:.85rem;padding:1rem;
}
.ph svg{width:34px;height:34px;opacity:.7}
.ph small{font-weight:500;color:var(--muted);font-size:.72rem}

/* ---------- Grid utilitário ---------- */
.grid{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Cards ---------- */
.card{background:linear-gradient(165deg,#ffffff 0%,#fbf6f0 100%);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(160deg,#eef6f6,#dcecec);color:var(--teal);margin-bottom:1rem}
.card .ico svg{width:26px;height:26px}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);margin:0}
.card--coral .ico{background:linear-gradient(160deg,#fff0ea,#ffdccf);color:var(--coral-600)}

/* diferenciais */
.feature{display:flex;gap:.9rem;align-items:flex-start}
.feature .tick{flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(150deg,#12707a,#0a464c);color:#fff}
.feature .tick svg{width:18px;height:18px}
.feature h3{font-size:1.05rem;margin-bottom:.15rem}
.feature p{color:var(--muted);margin:0;font-size:.96rem}

/* identificador / botões whatsapp */
.needs{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.need{display:flex;align-items:center;gap:.8rem;background:linear-gradient(165deg,#ffffff,#fbf6f0);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1rem 1.1rem;font-weight:600;font-family:var(--font-head);color:var(--ink);box-shadow:var(--shadow-sm);transition:.16s}
.need:hover{border-color:var(--coral);color:var(--coral-600);transform:translateY(-3px)}
.need .n-ico{flex:0 0 auto;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(160deg,#fff0ea,#ffdccf);color:var(--coral-600)}
.need .n-ico svg{width:20px;height:20px}

/* passos */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.step{position:relative;background:linear-gradient(165deg,#ffffff,#fbf6f0);border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.6rem 1.6rem;box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-22px;left:1.6rem;width:46px;height:46px;border-radius:50%;background:linear-gradient(150deg,#ff824f,#f2542d);color:#fff;font-family:var(--font-head);font-weight:700;font-size:1.3rem;display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.step h3{margin-top:.6rem}
.step p{color:var(--muted);margin:0}

/* marcas */
.brands{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
.brand-chip{display:grid;place-items:center;background:linear-gradient(165deg,#ffffff,#fbf6f0);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.1rem;min-height:92px;box-shadow:var(--shadow-sm);transition:transform .16s ease,box-shadow .16s ease}
.brand-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.brand-chip img{max-height:52px;max-width:100%;width:auto;object-fit:contain}

/* depoimentos */
.quote{background:linear-gradient(165deg,#ffffff,#fbf6f0);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;box-shadow:var(--shadow-sm)}
.quote .stars{color:var(--amber);letter-spacing:2px;margin-bottom:.6rem}
.quote p{font-size:1.02rem;margin-bottom:1rem}
.quote .who{display:flex;align-items:center;gap:.7rem;font-weight:600;font-family:var(--font-head)}
.quote .who .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(160deg,#eef6f6,#dcecec);display:grid;place-items:center;color:var(--teal);font-size:.9rem}
.quote .who small{display:block;font-weight:500;color:var(--muted)}

/* faq */
.faq{max-width:800px;margin-inline:auto}
.faq details{background:linear-gradient(165deg,#ffffff,#fcf8f3);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.3rem 1.2rem;margin-bottom:.8rem;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-family:var(--font-head);font-weight:600;padding:.9rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--coral);transition:.2s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:1rem;margin:0}

/* cta band */
.cta-band{background:linear-gradient(120deg,#ff6a45 0%,#ff8a3d 55%,#ffb347 100%);color:#fff;border-radius:24px;padding:clamp(2rem,4vw,3.2rem);text-align:center;box-shadow:var(--shadow)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:52ch;margin:0 auto 1.4rem}
.cta-band .btn--light{color:var(--coral-600)}

/* page hero (páginas internas) */
.page-hero{background:linear-gradient(120deg,#0e5c63 0%,#0a464c 55%,#083539 100%);color:#fff;padding:clamp(2.6rem,5vw,4rem) 0}
.page-hero h1{color:#fff}
.page-hero p{color:rgba(255,255,255,.9);max-width:60ch;margin:0}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.75);margin-bottom:.6rem}
.breadcrumb a:hover{color:#fff}

/* split (imagem + texto) */
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;align-items:center}
.split__art{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split__art img{width:100%;height:100%;object-fit:cover;display:block}
.list-check{list-style:none;padding:0;margin:1rem 0 0;display:grid;gap:.7rem}
.list-check li{display:flex;gap:.6rem;align-items:flex-start;color:var(--ink)}
.list-check li svg{flex:0 0 auto;width:22px;height:22px;color:var(--teal);margin-top:.15rem}

/* contato */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.info-row{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1.3rem}
.info-row .ico{width:46px;height:46px;flex:0 0 auto;border-radius:12px;background:linear-gradient(160deg,#eef6f6,#dcecec);color:var(--teal);display:grid;place-items:center}
.info-row .ico svg{width:22px;height:22px}
.info-row h4{margin:0 0 .1rem;font-size:1rem}
.info-row p{margin:0;color:var(--muted)}
.form{background:linear-gradient(170deg,#ffffff,#fbf6f0);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem;box-shadow:var(--shadow-sm)}
.form label{display:block;font-weight:600;font-family:var(--font-head);font-size:.9rem;margin:.9rem 0 .3rem}
.form input,.form textarea{width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;font-family:var(--font-body);font-size:1rem;background:var(--cream)}
.form input:focus,.form textarea:focus{outline:2px solid var(--teal);border-color:transparent}

/* ---------- Footer ---------- */
.site-footer{background:linear-gradient(160deg,#0d2f34 0%,#092023 55%,#06181a 100%);color:rgba(255,255,255,.8);padding:3.5rem 0 1.5rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem;margin-bottom:2.4rem}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:1rem}
.site-footer a{color:rgba(255,255,255,.8)}
.site-footer a:hover{color:var(--amber)}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.footer-brand .logo-plate{display:inline-block;background:#fff;padding:.55rem .75rem;border-radius:12px;margin-bottom:.9rem}
.footer-brand .logo-plate img{height:40px;width:auto;display:block}
.footer-brand p{color:rgba(255,255,255,.65);font-size:.92rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.4rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.55)}

/* whatsapp flutuante */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 30px -8px rgba(37,211,102,.7);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;color:#fff}

/* ---------- Responsivo ---------- */
@media (max-width:960px){
  .split,.contact-grid{grid-template-columns:1fr}
  .contact-grid .form{order:-1}
  .grid-3,.grid-4,.needs,.steps,.brands{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}

  /* --- menu mobile --- */
  .nav{position:static}
  .nav__cta{display:none}
  .nav__toggle{display:block}
  .nav__links{
    position:absolute;top:100%;left:0;right:0;z-index:55;height:calc(100vh - 63px);
    transform:translateX(100%);
    flex-direction:column;align-items:stretch;gap:0;
    background:linear-gradient(180deg,#ffffff 0%,#fbf7f2 100%);
    padding:1.4rem 1.5rem 2rem;overflow-y:auto;
    box-shadow:0 20px 40px -18px rgba(15,42,46,.35);
    transition:transform .28s ease;visibility:hidden;
  }
  .nav__links.open{transform:translateX(0);visibility:visible}
  .nav__links a{padding:1rem .2rem;font-size:1.15rem;font-weight:600;border-bottom:1px solid var(--line)}
  .nav__links a:last-of-type{border-bottom:0}
  .nav__mobile-extra{display:flex;flex-direction:column;gap:.9rem;margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid var(--line)}
  .nav__phone-m{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:600;color:var(--teal);font-size:1.1rem}
  .nav__phone-m svg{width:1.15em;height:1.15em}
  .nav__mobile-extra .btn--wa{justify-content:center;padding:1rem}
  body.menu-open{overflow:hidden}

  /* hero mais uniforme no mobile */
  .hero__overlay{background:
    linear-gradient(160deg, rgba(6,42,46,.96) 0%, rgba(9,60,66,.9) 55%, rgba(12,80,86,.82) 100%),
    radial-gradient(120% 90% at 90% 6%, rgba(255,106,69,.30), transparent 55%);}
  .hero__texture{-webkit-mask-image:none;mask-image:none;opacity:.35}
  .hero__inner{min-height:auto;padding:3rem 0}
}
@media (max-width:560px){
  .grid-3,.grid-4,.needs,.steps,.brands,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero__cta .btn{flex:1 1 100%;justify-content:center}
  .brands{grid-template-columns:repeat(2,1fr)}
  h1{font-size:clamp(1.8rem,7vw,2.4rem)}
}