/* ===== RESET & TOKENS ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1e88ff;
  --blue-dark:#1565d8;
  --cyan:#29b6f6;
  --cyan-2:#22c4ff;
  --ink:#0f172a;
  --text:#334155;
  --muted:#64748b;
  --bg:#ffffff;
  --bg-soft:#f1f5f9;
  --card:#f8fafc;
  --border:#e2e8f0;
  --footer:#0c1424;
  --green:#22c35e;
  --green-dark:#16a34a;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,.12);
  --radius:18px;
  --grad:linear-gradient(135deg,#3b82f6,#7c3aed);
  --grad-2:linear-gradient(135deg,#06b6d4,#3b82f6);
}
html[data-theme="dark"]{
  --ink:#f1f5f9;
  --text:#cbd5e1;
  --muted:#94a3b8;
  --bg:#0b1220;
  --bg-soft:#0f1a2e;
  --card:#131f36;
  --border:#1e2c47;
  --shadow:0 10px 30px rgba(0,0,0,.4);
  --shadow-lg:0 20px 50px rgba(0,0,0,.5);
}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
  transition:background .3s,color .3s;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;font-weight:700;font-size:15px;
  cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s,filter .2s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:0 8px 20px rgba(30,136,255,.35)}
.btn--primary:hover{filter:brightness(1.05)}
.btn--light{background:#fff;color:var(--blue)}
.btn--outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn--outline:hover{background:rgba(255,255,255,.12)}
.btn--whatsapp{background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;width:100%;padding:16px;font-size:16px;box-shadow:0 8px 20px rgba(34,195,94,.35)}

/* ===== HEADER ===== */
.header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s,background .3s;
}
.header.scrolled{box-shadow:var(--shadow)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:78px;gap:24px}
.logo img{height:46px;width:auto}
html[data-theme="dark"] .logo img,html[data-theme="dark"] .footer__logo{background:#fff;border-radius:6px;padding:4px}
.nav{display:flex;gap:30px}
.nav__link{font-weight:600;color:var(--ink);font-size:15px;position:relative;padding:4px 0;transition:color .2s}
.nav__link:hover,.nav__link.active{color:var(--blue)}
.nav__link.active::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--blue);border-radius:2px}
.header__actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:var(--bg-soft);color:var(--ink);border:1px solid var(--border);cursor:pointer;transition:.2s;
}
.icon-btn:hover{color:var(--blue);border-color:var(--blue)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ===== HERO ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#1565d8 0%,#1e88ff 45%,#22a7ff 100%);
}
.hero__pattern{
  position:absolute;inset:0;opacity:.12;
  background-image:radial-gradient(circle,#fff 2px,transparent 2px);
  background-size:34px 34px;
}
.hero__pattern::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 50%,rgba(255,255,255,.18),transparent 55%);
}
.hero__inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;min-height:560px;padding:60px 24px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
  padding:7px 16px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:24px;backdrop-filter:blur(4px);
}
.hero__title{
  font-family:'Oswald',sans-serif;font-weight:700;
  font-size:clamp(40px,6vw,72px);line-height:1.02;text-transform:none;margin-bottom:22px;letter-spacing:.5px;
}
.hero__title span{color:#bfe3ff}
.hero__text{font-size:18px;max-width:540px;color:rgba(255,255,255,.92);margin-bottom:32px}
.hero__buttons{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}
.hero__stats{display:flex;gap:48px;flex-wrap:wrap}
.hero__stat strong{display:block;font-family:'Oswald',sans-serif;font-size:40px;font-weight:700;color:#bfe3ff;line-height:1}
.hero__stat span{font-size:14px;color:rgba(255,255,255,.85)}
.hero__media{display:flex;justify-content:center;align-items:center}
.hero__valve{
  width:520px;height:520px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.28),rgba(255,255,255,.05));
  border:1px solid rgba(255,255,255,.25);box-shadow:0 30px 80px rgba(0,0,0,.25);
  animation:float 5s ease-in-out infinite;
}
.hero__valve-img{
  width:92%;height:92%;object-fit:contain;
  filter:drop-shadow(0 16px 28px rgba(0,0,0,.38));
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

/* ===== SECTIONS ===== */
.section{padding:90px 0}
.section__title{
  font-family:'Oswald',sans-serif;font-weight:700;text-align:center;
  font-size:clamp(32px,4.5vw,48px);color:var(--ink);margin-bottom:14px;
}
.section__title span{color:var(--blue)}
.section__title--left{text-align:left}
.section__subtitle{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 54px;font-size:17px}

/* ===== SOBRE ===== */
.sobre{background:var(--bg)}
.sobre__inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.sobre__lead{font-size:19px;color:var(--ink);font-weight:500;margin-bottom:18px}
.sobre__text{color:var(--muted);margin-bottom:26px}
.check-list{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.check-list li{position:relative;padding-left:24px;color:var(--text);font-weight:500}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--blue)}
.sobre__cards{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 26px;text-align:left;transition:transform .25s,box-shadow .25s;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-card:nth-child(2),.stat-card:nth-child(3){margin-top:28px}
.stat-card__icon{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;color:#fff;margin-bottom:20px;
}
.stat-card:nth-child(1) .stat-card__icon{background:var(--grad)}
.stat-card:nth-child(2) .stat-card__icon{background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.stat-card:nth-child(3) .stat-card__icon{background:linear-gradient(135deg,#3b82f6,#8b5cf6)}
.stat-card:nth-child(4) .stat-card__icon{background:var(--grad-2)}
.stat-card strong{display:block;font-family:'Oswald',sans-serif;font-size:42px;font-weight:700;color:var(--blue);line-height:1}
.stat-card span{color:var(--muted);font-size:14px;font-weight:500}

/* ===== PRODUTOS ===== */
.produtos{background:var(--bg-soft)}
.produtos__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.product-card{
  background:var(--bg);border:1px solid var(--border);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.product-card__media{
  aspect-ratio:1/1;position:relative;overflow:hidden;background:#0f2f63;
}
.product-card__img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .35s ease;
}
.product-card:hover .product-card__img{transform:scale(1.04)}
.product-card__body{padding:20px;display:flex;flex-direction:column;flex:1}
.product-card__body h3{font-size:17px;color:var(--ink);margin-bottom:8px;font-weight:700}
.product-card__body p{font-size:13px;color:var(--muted);flex:1;margin-bottom:14px;line-height:1.5}
.product-card__link{color:var(--blue);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.product-card__link::after{content:"→";transition:transform .2s}
.product-card__link:hover::after{transform:translateX(4px)}

/* ===== CONTATO ===== */
.contato{background:var(--bg)}
.contato__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.contato__info{display:flex;flex-direction:column;gap:24px}
.info-item{display:flex;gap:16px;align-items:flex-start}
.info-item__icon{
  width:48px;height:48px;flex:0 0 48px;border-radius:12px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--blue) 12%,transparent);color:var(--blue);
}
.info-item h4{color:var(--ink);font-size:16px;margin-bottom:4px}
.info-item p{color:var(--muted);font-size:14px}
.info-item--hours{
  flex-direction:column;background:color-mix(in srgb,var(--blue) 7%,transparent);
  border:1px solid var(--border);border-radius:14px;padding:22px;gap:10px;
}
.info-item--hours h4{display:flex;align-items:center;gap:8px;color:var(--blue)}
.hours-row{display:flex;justify-content:space-between;font-size:14px;color:var(--text);width:100%}
.contato__form-wrap{
  background:var(--card);border:1px solid var(--border);border-radius:20px;padding:40px;box-shadow:var(--shadow);
}
.contato__form-wrap h3{text-align:center;font-size:24px;color:var(--ink);font-weight:800}
.form-sub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:26px}
.form{display:flex;flex-direction:column;gap:18px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__field{display:flex;flex-direction:column;gap:7px}
.form__field label{font-size:14px;font-weight:600;color:var(--ink)}
.form__field input,.form__field textarea{
  font-family:inherit;font-size:15px;padding:13px 15px;border:1px solid var(--border);
  border-radius:11px;background:var(--bg);color:var(--ink);transition:border .2s,box-shadow .2s;resize:vertical;
}
.form__field input:focus,.form__field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 18%,transparent);
}
.form-note{text-align:center;font-size:12px;color:var(--muted)}

/* ===== FOOTER ===== */
.footer{background:var(--footer);color:#cbd5e1;padding-top:70px}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:50px}
.footer__logo{height:40px;margin-bottom:20px}
.footer__about{font-size:14px;color:#94a3b8;line-height:1.7;margin-bottom:22px}
.footer__contact{display:flex;flex-direction:column;gap:16px}
.footer__contact li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#cbd5e1}
.footer__contact svg{color:var(--cyan);flex-shrink:0;margin-top:2px}
.footer__col h4{color:#fff;font-size:18px;margin-bottom:22px}
.footer__links{display:flex;flex-direction:column;gap:14px}
.footer__links a{color:#94a3b8;font-size:15px;transition:color .2s,padding .2s}
.footer__links a:hover{color:var(--cyan);padding-left:4px}
.footer__social{display:flex;gap:14px;margin-bottom:20px}
.footer__social a{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#cbd5e1;transition:.2s;
}
.footer__social a:hover{background:var(--blue);color:#fff;transform:translateY(-3px)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0}
.footer__bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:14px;color:#94a3b8}
.heart{color:#f43f5e}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:62px;height:62px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--green),var(--green-dark));
  box-shadow:0 10px 30px rgba(34,195,94,.5);transition:transform .2s;
  animation:pulse 2.5s infinite;
}
.whatsapp-float:hover{transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 10px 30px rgba(34,195,94,.5),0 0 0 0 rgba(34,195,94,.5)}70%{box-shadow:0 10px 30px rgba(34,195,94,.5),0 0 0 18px rgba(34,195,94,0)}100%{box-shadow:0 10px 30px rgba(34,195,94,.5),0 0 0 0 rgba(34,195,94,0)}}

/* ===== REVEAL ANIM ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .produtos__grid{grid-template-columns:repeat(3,1fr)}
  .hero__inner{grid-template-columns:1fr;text-align:center;min-height:auto}
  .hero__content{display:flex;flex-direction:column;align-items:center}
  .hero__media{order:-1;margin-bottom:20px}
  .hero__valve{width:320px;height:320px}
  .sobre__inner,.contato__grid{grid-template-columns:1fr}
}
@media(max-width:820px){
  .nav,.header__cta{display:none}
  .menu-toggle{display:flex}
  .nav.open{
    display:flex;flex-direction:column;position:absolute;top:78px;left:0;right:0;
    background:var(--bg);padding:20px 24px;gap:18px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);
  }
  .footer__inner{grid-template-columns:1fr 1fr}
  .footer__bottom-inner{flex-direction:column;text-align:center}
}
@media(max-width:680px){
  .section{padding:64px 0}
  .hero__valve{width:280px;height:280px}
  .produtos__grid{grid-template-columns:repeat(2,1fr)}
  .sobre__cards,.form__row{grid-template-columns:1fr}
  .stat-card:nth-child(2),.stat-card:nth-child(3){margin-top:0}
  .hero__stats{gap:28px;justify-content:center}
  .contato__form-wrap{padding:26px}
  .footer__inner{grid-template-columns:1fr;gap:36px}
}
@media(max-width:420px){
  .produtos__grid{grid-template-columns:1fr}
  .hero__buttons{flex-direction:column;width:100%}
  .hero__buttons .btn{width:100%}
}