:root {
  --red: #ff2e3f;
  --red-dark: #c8102e;
  --blue: #1f7bff;
  --blue-light: #5cc8ff;
  --navy: #0b1a33;
  --navy-2: #102447;
  --ink: #1b2436;
  --muted: #5d6b82;
  --bg: #f4f7fc;
  --card: #ffffff;
  --radius: 18px;
  --grad: linear-gradient(120deg, var(--red) 0%, #a43cff 50%, var(--blue) 100%);
  --shadow: 0 18px 40px -18px rgba(11, 26, 51, .35);
  --shadow-3d: 0 1px 1px rgba(11,26,51,.06), 0 4px 8px rgba(11,26,51,.06), 0 16px 32px -8px rgba(11,26,51,.18), 0 40px 70px -30px rgba(31,123,255,.35);
  /* impede que o "modo escuro forçado" do celular inverta as cores do site */
  color-scheme: only light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }

/* Vento animado no fundo da página inteira */
#vento { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
body > *:not(#vento):not(.modal):not(.topbar):not(.wa-float) { position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: "Montserrat", sans-serif; line-height: 1.2; }

/* ===== Topbar ===== */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(16px, 4vw, 48px);
  transition: background .3s, padding .3s, box-shadow .3s;
}
.topbar.scrolled {
  background: rgba(11, 26, 51, .92);
  backdrop-filter: blur(10px);
  padding-block: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo-icon svg { width: 38px; height: 38px; animation: spin 12s linear infinite; }
.logo-text { font-family: "Montserrat"; font-weight: 800; font-size: 1.5rem; letter-spacing: -.5px; }
.logo-text b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.menu { display: flex; gap: 28px; align-items: center; }
.menu a { color: #e6ecf7; font-weight: 500; font-size: .95rem; position: relative; }
.menu a:not(.btn-nav)::after {
  content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0;
  background: var(--grad); transition: width .3s;
}
.menu a:hover::after { width: 100%; }
.btn-nav { padding: 9px 20px; border-radius: 99px; background: var(--red); color: #fff !important; font-weight: 600; transition: transform .2s, background .2s; }
.btn-nav:hover { background: var(--blue); transform: translateY(-2px); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; width: 32px; height: 26px; position: relative; }
.menu-toggle span { position: absolute; left: 0; width: 100%; height: 3px; border-radius: 3px; background: #fff; transition: .3s; }
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 11px; }
.menu-toggle span:nth-child(3) { top: 22px; }
.menu-toggle.open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100svh; display: grid; place-items: center;
  overflow: hidden; color: #fff; text-align: center; padding: 110px 16px 80px;
}
.slides, .slide, .hero-overlay { position: absolute; inset: 0; }
.slide {
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.12);
  transition: opacity 1.6s ease, transform 7s linear;
}
.slide.active { opacity: 1; transform: scale(1); }
.hero-overlay {
  background:
    radial-gradient(ellipse at 15% 20%, rgba(255, 46, 63, .45), transparent 55%),
    radial-gradient(ellipse at 85% 80%, rgba(31, 123, 255, .55), transparent 55%),
    linear-gradient(180deg, rgba(11,26,51,.75), rgba(11,26,51,.85));
}
.hero-content { position: relative; z-index: 2; max-width: 820px; }
.hero-kicker {
  display: inline-block; font-size: .85rem; letter-spacing: 3px; text-transform: uppercase;
  padding: 6px 16px; border: 1px solid rgba(255,255,255,.35); border-radius: 99px;
  backdrop-filter: blur(4px); animation: fadeDown 1s both;
}
.brand {
  font-size: clamp(3rem, 11vw, 7rem); font-weight: 900; letter-spacing: -2px; margin: 14px 0 4px;
  text-shadow: 0 10px 40px rgba(0,0,0,.4); animation: fadeDown 1s .15s both;
}
.brand span {
  background: linear-gradient(90deg, var(--red), #ff7a7a, var(--blue-light), var(--blue), var(--red));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 6s linear infinite;
}
.hero-sub { font-size: clamp(1rem, 2.4vw, 1.2rem); color: #dbe5f5; margin: 10px auto 28px; max-width: 640px; animation: fadeUp 1s .5s both; }
.hero-sub strong { color: #fff; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; animation: fadeUp 1s .7s both; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border-radius: 99px;
  font-weight: 600; font-size: 1rem; transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-3px); }
.btn-red { background: linear-gradient(135deg, var(--red), var(--red-dark)); box-shadow: 0 10px 30px -8px var(--red); }
.btn-ghost { border: 2px solid rgba(255,255,255,.6); backdrop-filter: blur(4px); }
.btn-ghost:hover { background: #25d366; border-color: #25d366; }
.wa-ico { width: 22px; height: 22px; }

/* ===== AC animation ===== */
.ac-wrap { position: relative; width: min(420px, 88vw); margin: 18px auto 0; height: 280px; animation: fadeUp 1s .3s both; perspective: 900px; }
.ac-unit {
  position: relative; z-index: 2; height: 96px; border-radius: 18px 18px 26px 26px;
  background: linear-gradient(180deg, #ffffff 0%, #eef2f8 55%, #cfd8e6 100%);
  box-shadow:
    0 2px 0 #fff inset, 0 -6px 0 rgba(0,0,0,.06) inset,
    0 10px 0 -2px #b9c4d6, 0 12px 0 -2px #9eabc1,
    0 30px 50px -10px rgba(0,0,0,.6), 0 0 60px rgba(92,200,255,.35);
  transform: rotateX(12deg);
  animation: acHum 5s ease-in-out infinite;
}
.ac-unit::after {
  content: ""; position: absolute; inset: 6px 30% auto 6px; height: 30px; border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), transparent); pointer-events: none;
}
.ac-top { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px 0; }
.ac-brand { font-family: "Montserrat"; font-weight: 800; font-size: .72rem; letter-spacing: 3px; color: #8a97ad; }
.ac-display { display: flex; align-items: center; gap: 8px; background: #0b1a33; border-radius: 8px; padding: 3px 10px; }
.ac-led { width: 8px; height: 8px; border-radius: 50%; background: var(--blue-light); box-shadow: 0 0 8px var(--blue-light); animation: blink 2s infinite; }
.ac-temp { font-family: "Montserrat"; font-weight: 700; font-size: .85rem; color: var(--blue-light); }
.ac-grill {
  position: absolute; left: 20px; right: 20px; bottom: 16px; height: 20px; border-radius: 4px;
  background: repeating-linear-gradient(90deg, #b7c3d6 0 3px, #dde4ef 3px 8px);
}
.ac-flap {
  position: absolute; left: 14px; right: 14px; bottom: -6px; height: 12px; border-radius: 0 0 14px 14px;
  background: linear-gradient(180deg, #d5dde9, #aab7cb);
  transform-origin: top center; animation: flap 4s ease-in-out infinite;
}
.wind { position: absolute; top: 96px; left: 0; width: 100%; height: 190px; z-index: 1; overflow: visible; }
.wind-sway { transform-origin: 50% 0; animation: sway 4s ease-in-out infinite; }
.w {
  fill: none; stroke: url(#wg); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 130 270; stroke-dashoffset: 400;
  animation: wind 2.2s linear infinite;
  filter: drop-shadow(0 0 4px rgba(143,220,255,.9));
}
.w.thin { stroke-width: 3; stroke-dasharray: 90 310; animation-duration: 1.6s; }
.w.curl { stroke-width: 3.5; stroke-dasharray: 110 290; animation-duration: 3s; }
.w:nth-child(2n) { animation-delay: -.7s; }
.w:nth-child(3n) { animation-delay: -1.3s; }
.w:nth-child(5n) { animation-delay: -1.9s; }
.w:nth-child(7n) { animation-delay: -.4s; }
.air {
  fill: none; stroke: #9fe0ff; stroke-width: 34; stroke-linecap: round; opacity: 0;
  filter: url(#wblur); stroke-dasharray: 120 400; stroke-dashoffset: 520;
  animation: air 3.2s ease-in infinite;
}
.a2 { animation-delay: -1.1s; } .a3 { animation-delay: -2.2s; }
.flakes { position: absolute; inset: 96px 0 0 0; pointer-events: none; }
.flakes i {
  position: absolute; top: 0; font-style: normal; color: #cfeeff; font-size: 14px; opacity: 0;
  animation: flake 4s linear infinite;
}
.flakes i:nth-child(1) { left: 8%;  animation-delay: 0s; }
.flakes i:nth-child(2) { left: 22%; animation-delay: 1.2s; font-size: 10px; }
.flakes i:nth-child(3) { left: 36%; animation-delay: 2.4s; }
.flakes i:nth-child(4) { left: 50%; animation-delay: .6s; font-size: 18px; }
.flakes i:nth-child(5) { left: 64%; animation-delay: 1.8s; font-size: 11px; }
.flakes i:nth-child(6) { left: 78%; animation-delay: 3s; }
.flakes i:nth-child(7) { left: 90%; animation-delay: .9s; font-size: 12px; }
.flakes i:nth-child(8) { left: 44%; animation-delay: 3.4s; font-size: 9px; }
.flakes i:nth-child(9) { left: 14%; animation-delay: 2s; font-size: 16px; }
.flakes i:nth-child(10) { left: 70%; animation-delay: 2.7s; font-size: 13px; }

.scroll-down { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 2; width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.7); border-radius: 20px; }
.scroll-down span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: #fff; animation: scroll 1.8s infinite; }

/* ===== Stats ===== */
.stats {
  position: relative; z-index: 3; max-width: 1100px; margin: -50px auto 0; padding: 0 16px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 16px;
}
.stat {
  background: linear-gradient(160deg, #fff, #f1f5fc); border-radius: var(--radius); padding: 24px 18px; text-align: center;
  box-shadow: var(--shadow-3d); border-top: 4px solid var(--red);
}
.stat-brands { overflow: hidden; }
.logos {
  margin-top: 14px; overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.logos-track { display: flex; align-items: center; width: max-content; animation: marquee 18s linear infinite; }
.logos-track img { margin-right: 34px; height: 30px; width: auto; max-width: 120px; object-fit: contain; filter: drop-shadow(0 3px 4px rgba(11,26,51,.15)); }
.stat-brands:hover .logos-track { animation-play-state: paused; }
.stat:nth-child(even) { border-top-color: var(--blue); }
.stat b { display: block; font-family: "Montserrat"; font-size: 1.35rem; font-weight: 800; color: var(--navy); }
.stat span { color: var(--muted); font-size: .9rem; }

/* ===== Sections ===== */
.section { padding: 100px clamp(16px, 4vw, 48px); max-width: 1240px; margin: 0 auto; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 54px; }
.section-head h2, .quality-text h2, .contact-info h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; color: var(--navy); margin: 12px 0 14px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.tag {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 99px; color: #fff; background: var(--grad); background-size: 200% 100%;
  animation: shine 5s linear infinite;
}

/* ===== Services ===== */
.services { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; }
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform .35s, box-shadow .35s; position: relative;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 2px;
  background: var(--grad); opacity: 0; transition: opacity .35s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.card:hover { transform: translateY(-10px); box-shadow: 0 30px 60px -20px rgba(31,123,255,.45); }
.card:hover::before { opacity: 1; }
.card-img { height: 190px; background-size: cover; background-position: center; transition: transform .6s; }
.card:hover .card-img { transform: scale(1.06); }
.card-body { padding: 24px 22px 28px; position: relative; }
.card-icon {
  position: absolute; top: -28px; right: 22px; width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center; font-size: 1.6rem; color: #fff; box-shadow: var(--shadow);
}
.card-icon.red { background: linear-gradient(135deg, var(--red), var(--red-dark)); }
.card-icon.blue { background: linear-gradient(135deg, var(--blue-light), var(--blue)); }
.card h3 { font-size: 1.25rem; color: var(--navy); margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .95rem; margin-bottom: 14px; }
.card ul { list-style: none; display: grid; gap: 6px; }
.card li { font-size: .9rem; padding-left: 22px; position: relative; }
.card li::before { content: "❄"; position: absolute; left: 0; color: var(--blue); font-size: .8rem; top: 2px; }

/* ===== Quality ===== */
.quality { max-width: none; background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #e6ecf7; position: relative; overflow: hidden; }
.quality::before, .quality::after { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; filter: blur(90px); opacity: .35; }
.quality::before { background: var(--red); top: -200px; left: -160px; animation: float 10s ease-in-out infinite; }
.quality::after { background: var(--blue); bottom: -220px; right: -160px; animation: float 12s ease-in-out infinite reverse; }
.quality-grid { position: relative; z-index: 1; max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.quality-img { position: relative; }
.quality-img img { border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(0,0,0,.6); aspect-ratio: 4/3.4; object-fit: cover; }
.badge-float {
  position: absolute; bottom: -24px; right: -10px; background: var(--grad); color: #fff; border-radius: 16px;
  padding: 16px 22px; box-shadow: var(--shadow); animation: bob 4s ease-in-out infinite; max-width: 220px;
}
.badge-float b { font-family: "Montserrat"; font-size: 1.3rem; display: block; }
.badge-float span { font-size: .85rem; }
.quality-text h2 { color: #fff; }
.quality-text > p { color: #b9c6dc; margin-bottom: 26px; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.feature { display: flex; gap: 12px; }
.feature > span {
  flex: 0 0 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(255,255,255,.08); color: var(--blue-light); font-weight: 700;
}
.feature:nth-child(odd) > span { color: #ff8a94; }
.feature h4 { color: #fff; font-size: 1rem; margin-bottom: 4px; }
.feature p { color: #aebcd3; font-size: .88rem; }

/* ===== Steps ===== */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before { content: ""; position: absolute; top: 34px; left: 12%; right: 12%; height: 3px; background: var(--grad); border-radius: 3px; }
.steps li { text-align: center; position: relative; }
.steps .n {
  width: 70px; height: 70px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center;
  font-family: "Montserrat"; font-weight: 900; font-size: 1.6rem; color: #fff; position: relative;
  background: linear-gradient(135deg, var(--red), var(--blue)); box-shadow: 0 0 0 8px var(--bg);
}
.steps li:hover .n { animation: pulse 1s; }
.steps h4 { color: var(--navy); margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: .92rem; }

/* ===== Checklist ===== */
.checklist-sec { max-width: none; background: linear-gradient(180deg, #eaf2ff, var(--bg)); }
.checks { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.check {
  background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow);
  border-left: 4px solid var(--blue); transition: transform .3s, border-color .3s;
}
.check:nth-child(odd) { border-left-color: var(--red); }
.check:hover { transform: translateY(-6px); }
.check b { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.check h4 { color: var(--navy); margin-bottom: 6px; }
.check p { color: var(--muted); font-size: .92rem; }

/* ===== Gallery ===== */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 230px; gap: 16px; }
.gallery figure { overflow: hidden; border-radius: var(--radius); position: relative; box-shadow: var(--shadow); }
.gallery .tall { grid-row: span 2; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s, filter .6s; }
.gallery figure::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,46,63,.45), rgba(31,123,255,.45));
  opacity: 0; transition: opacity .4s;
}
.gallery figure:hover img { transform: scale(1.08); }
.gallery figure:hover::after { opacity: 1; }

/* ===== FAQ ===== */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq details { background: var(--card); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; font-weight: 600; color: var(--navy); position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-size: 1.2rem; transition: transform .3s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 20px; color: var(--muted); }

/* ===== Contact ===== */
.contact { max-width: none; background: linear-gradient(160deg, var(--navy), #1a1240 60%, #3a0f1f); color: #e6ecf7; }
.contact-grid { max-width: 1140px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { color: #fff; }
.contact-info > p { color: #b9c6dc; }
.wa-big {
  display: inline-flex; align-items: center; gap: 14px; margin: 26px 0; padding: 14px 26px 14px 16px;
  background: #25d366; color: #fff; border-radius: 99px; font-family: "Montserrat"; font-weight: 800; font-size: 1.4rem;
  box-shadow: 0 12px 30px -10px #25d366; transition: transform .2s;
  animation: ring 3s ease-in-out infinite;
}
.wa-big:hover { transform: scale(1.04); }
.wa-big svg { width: 46px; height: 46px; }
.wa-big small { display: block; font-family: "Inter"; font-weight: 500; font-size: .78rem; opacity: .9; }
.contact-list { list-style: none; display: grid; gap: 10px; color: #c9d4e7; }

.contact-form {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(10px);
  border-radius: 24px; padding: 32px; display: grid; gap: 16px;
}
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: .92rem; color: #fff; }
.field label em { color: var(--red); font-style: normal; }
.field input, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 2px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.95); font: inherit; color: var(--ink); transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31,123,255,.25); }
.field .err { display: none; color: #ff8a94; font-size: .8rem; }
.field.invalid input { border-color: var(--red); }
.field.invalid .err { display: block; }
.hp { position: absolute; left: -9999px; opacity: 0; }
.form-note { font-size: .8rem; color: #9fb0cc; text-align: center; }

/* Remote control submit */
.remote {
  justify-self: center; width: 150px; padding: 18px 16px 22px; margin-top: 6px; border: 0; cursor: pointer;
  border-radius: 40px 40px 60px 60px; position: relative;
  background: linear-gradient(160deg, #ffffff, #dfe6f0 60%, #c3cedd);
  box-shadow: 0 20px 40px -12px rgba(0,0,0,.6), inset 0 2px 0 #fff, inset 0 -4px 0 rgba(0,0,0,.08);
  display: grid; gap: 12px; justify-items: center; font-family: "Montserrat";
  transition: transform .2s;
  animation: bob 4s ease-in-out infinite;
}
.remote:hover { transform: rotate(-4deg) scale(1.04); }
.remote:active { transform: scale(.97); }
.remote-ir { width: 26px; height: 8px; border-radius: 4px; background: #2a2a36; box-shadow: 0 0 0 2px #9aa6b8; }
.remote.sending .remote-ir { background: var(--red); box-shadow: 0 0 14px 4px var(--red); }
.remote-lcd {
  width: 100%; border-radius: 10px; padding: 8px 6px; background: linear-gradient(180deg, #a9e3ff, #74c8f5);
  color: #0b1a33; display: grid; justify-items: center; box-shadow: inset 0 2px 6px rgba(0,0,0,.25);
}
.remote-lcd b { font-size: 1.5rem; line-height: 1.1; }
.remote-lcd small { font-size: .62rem; font-weight: 700; letter-spacing: 1px; }
.remote-keys { display: flex; gap: 6px; }
.remote-keys i {
  font-style: normal; font-size: .6rem; font-weight: 700; color: #4b5a72; background: #eef2f8;
  border-radius: 8px; padding: 5px 8px; box-shadow: 0 2px 0 #b8c3d4;
}
.remote-power {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 1.8rem;
  background: radial-gradient(circle at 35% 30%, #ff6b77, var(--red) 50%, var(--red-dark));
  box-shadow: 0 6px 0 #8e0a1f, 0 10px 20px -4px rgba(255,46,63,.7);
  animation: glow 2s ease-in-out infinite;
}
.remote:active .remote-power { box-shadow: 0 2px 0 #8e0a1f; transform: translateY(4px); }
.remote-label {
  font-weight: 900; letter-spacing: 3px; font-size: .9rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== Modal thermometer ===== */
.modal {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px;
  background: rgba(5, 12, 26, .75); backdrop-filter: blur(6px); animation: fade .3s;
}
.modal[hidden] { display: none; }
.modal-box {
  position: relative; background: #fff; border-radius: 26px; padding: 36px 32px 30px; width: min(380px, 100%);
  text-align: center; box-shadow: 0 40px 80px -20px rgba(0,0,0,.6); animation: pop .4s cubic-bezier(.2,1.4,.4,1);
}
.thermo { position: relative; width: 120px; height: 260px; margin: 0 auto; }
.thermo-tube {
  position: absolute; left: 50%; top: 0; width: 30px; height: 210px; margin-left: -15px;
  background: #eef2f8; border: 4px solid #d7deea; border-radius: 20px 20px 0 0; overflow: hidden;
}
.thermo-fill {
  position: absolute; left: 0; right: 0; bottom: 0; height: 92%;
  background: linear-gradient(0deg, var(--red-dark), var(--red));
  transition: height 3s cubic-bezier(.4,0,.2,1), background 3s;
}
.thermo-fill.cool { background: linear-gradient(0deg, var(--blue), var(--blue-light)); }
.thermo-bulb {
  position: absolute; left: 50%; bottom: 0; width: 64px; height: 64px; margin-left: -32px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ff8a94, var(--red) 55%, var(--red-dark));
  border: 4px solid #d7deea; transition: background 3s; box-shadow: 0 8px 20px -6px rgba(0,0,0,.35);
}
.thermo-bulb.cool { background: radial-gradient(circle at 35% 30%, #a9e3ff, var(--blue) 60%, #0f4fbf); }
.thermo-scale {
  position: absolute; right: -2px; top: 8px; height: 185px; display: flex; flex-direction: column;
  justify-content: space-between; font-family: "Montserrat"; font-weight: 700; font-size: .78rem; color: var(--muted);
}
.thermo-read {
  font-family: "Montserrat"; font-weight: 900; font-size: 2.6rem; margin-top: 10px; color: var(--red);
  transition: color 3s;
}
.thermo-read.cool { color: var(--blue); }
.modal-msg {
  font-family: "Montserrat"; font-weight: 700; font-size: 1.15rem; color: var(--navy); margin-top: 8px;
  opacity: 0; transform: translateY(10px); transition: .6s;
}
.modal-msg.show { opacity: 1; transform: none; }
.modal-wa {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 10px 18px; border-radius: 99px;
  background: #25d366; color: #fff; font-weight: 600; font-size: .9rem; opacity: 0; transition: opacity .6s .3s;
  pointer-events: none;
}
.modal-wa.show { opacity: 1; pointer-events: auto; }
.modal-wa svg { width: 20px; height: 20px; }
.modal-close {
  position: absolute; top: 12px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 50%;
  background: #eef2f8; color: var(--navy); font-size: 1.4rem; cursor: pointer;
}

/* ===== Footer & floating ===== */
.footer { background: #070f1f; color: #8fa0bc; text-align: center; padding: 50px 16px 90px; }
.footer-inner { display: grid; gap: 10px; justify-items: center; }
.footer a:hover { color: #fff; }
.copy { font-size: .8rem; opacity: .7; }
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 62px; height: 62px; border-radius: 50%;
  background: #25d366; color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 25px -5px rgba(37, 211, 102, .7);
}
.wa-float svg { width: 36px; height: 36px; }
.wa-float::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 3px solid #25d366;
  animation: ripple 2s ease-out infinite;
}

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== Keyframes ===== */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shine { to { background-position: 300% 0; } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-30px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(.7); } }
@keyframes blink { 50% { opacity: .3; } }
@keyframes flap { 0%, 100% { transform: rotateX(0deg) translateY(0); } 50% { transform: rotateX(35deg) translateY(4px); } }
@keyframes wind { from { stroke-dashoffset: 400; opacity: 0; } 12% { opacity: 1; } 75% { opacity: .9; } to { stroke-dashoffset: 0; opacity: 0; } }
@keyframes air { from { stroke-dashoffset: 520; opacity: 0; } 20% { opacity: .5; } to { stroke-dashoffset: 0; opacity: 0; } }
@keyframes sway { 0%, 100% { transform: skewX(-4deg); } 50% { transform: skewX(4deg); } }
@keyframes acHum { 0%, 100% { transform: rotateX(12deg) translateY(0); } 50% { transform: rotateX(8deg) translateY(-3px); } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes flake {
  0% { opacity: 0; transform: translate(0, 0) rotate(0); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: translate(20px, 150px) rotate(240deg); }
}
@keyframes scroll { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(16px); } }
@keyframes float { 50% { transform: translate(60px, 40px); } }
@keyframes bob { 50% { transform: translateY(-8px); } }
@keyframes pulse { 50% { transform: scale(1.15); } }
@keyframes glow { 50% { box-shadow: 0 6px 0 #8e0a1f, 0 10px 34px 2px rgba(255,46,63,.9); } }
@keyframes ripple { from { transform: scale(1); opacity: .8; } to { transform: scale(1.7); opacity: 0; } }
@keyframes ring { 0%, 90%, 100% { transform: rotate(0); } 92% { transform: rotate(-3deg); } 94% { transform: rotate(3deg); } 96% { transform: rotate(-3deg); } 98% { transform: rotate(3deg); } }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .quality-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps::before { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu-toggle { display: block; z-index: 2; }
  .menu {
    position: fixed; inset: 0 0 0 auto; width: min(300px, 80vw); flex-direction: column; align-items: flex-start;
    padding: 90px 28px; gap: 22px; background: rgba(11,26,51,.97); transform: translateX(100%); transition: transform .35s;
  }
  .menu.open { transform: none; }
  .features { grid-template-columns: 1fr; }
  .section { padding-block: 70px; }
  .contact-form { padding: 22px; }
  .wa-big { font-size: 1.15rem; }
}
@media (max-width: 520px) {
  .steps, .gallery { grid-template-columns: 1fr; }
  .gallery .tall { grid-row: span 1; }
  .ac-wrap { height: 210px; }
  .badge-float { right: 8px; }
  .hero-kicker { letter-spacing: 1.5px; font-size: .72rem; }
}
@media (max-width: 960px) {
  .stat-brands { grid-column: 1 / -1; }
}

/* ===== Aparência 3D ===== */
.tilt {
  position: relative;
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt.visible { transition: transform .25s ease-out, box-shadow .3s, opacity .8s; }
.tilt .glare {
  position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 5;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 0%), rgba(255,255,255,.45), transparent 55%);
  opacity: 0; transition: opacity .3s; mix-blend-mode: soft-light;
}
.tilt:hover .glare { opacity: 1; }
.card, .check, .stat, .gallery figure { box-shadow: var(--shadow-3d); }
.card-body > *, .check > *, .stat > *, .steps li > * { transform: translateZ(30px); }
.card-icon { transform: translateZ(60px) !important; }
.steps li .n { transform: translateZ(50px); }
.badge-float { transform: translateZ(70px); }

/* Botões com profundidade */
.btn-red { box-shadow: 0 6px 0 #8e0a1f, 0 14px 30px -8px var(--red); }
.btn-red:hover { box-shadow: 0 9px 0 #8e0a1f, 0 20px 36px -8px var(--red); }
.btn-red:active { transform: translateY(3px); box-shadow: 0 2px 0 #8e0a1f; }
.btn-nav { box-shadow: 0 4px 0 #8e0a1f; }
.btn-nav:hover { box-shadow: 0 6px 0 #0f4fbf; }

/* Esferas 3D nos passos */
.steps .n {
  background: radial-gradient(circle at 30% 25%, #ffb3b9 0%, var(--red) 30%, #7b2cff 65%, var(--blue) 100%);
  box-shadow: 0 0 0 8px var(--bg), inset -8px -10px 18px rgba(0,0,0,.35), inset 6px 6px 12px rgba(255,255,255,.35), 0 18px 30px -10px rgba(31,123,255,.6);
}
.steps li { background: rgba(255,255,255,.7); backdrop-filter: blur(6px); border-radius: var(--radius); padding: 26px 16px; box-shadow: var(--shadow-3d); }

/* Título com relevo */
.brand { text-shadow: 0 1px 0 #cfd8e6, 0 2px 0 #b9c4d6, 0 3px 0 #a3b1c8, 0 4px 0 #8d9dba, 0 5px 0 #7889ab, 0 12px 30px rgba(0,0,0,.5); }
.brand span { text-shadow: none; filter: drop-shadow(0 1px 0 #8e0a1f) drop-shadow(0 2px 0 #6b0716) drop-shadow(0 3px 0 #3f2b8f) drop-shadow(0 4px 0 #0f4fbf) drop-shadow(0 12px 20px rgba(0,0,0,.45)); }
.section-head h2 { text-shadow: 0 2px 0 rgba(31,123,255,.12), 0 4px 10px rgba(11,26,51,.08); }

/* Seções com fundo translúcido para o vento aparecer */
body { background: radial-gradient(circle at 10% 10%, #ffe9eb 0%, transparent 40%), radial-gradient(circle at 90% 60%, #e3efff 0%, transparent 45%), var(--bg); background-attachment: fixed; }
.quality { background: linear-gradient(160deg, rgba(11,26,51,.94) 0%, rgba(16,36,71,.94) 100%); }
.contact { background: linear-gradient(160deg, rgba(11,26,51,.95), rgba(26,18,64,.95) 60%, rgba(58,15,31,.95)); }
.checklist-sec { background: linear-gradient(180deg, rgba(234,242,255,.75), rgba(244,247,252,.4)); }
.faq details { background: rgba(255,255,255,.85); backdrop-filter: blur(8px); box-shadow: var(--shadow-3d); }
.contact-form { box-shadow: 0 30px 60px -20px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.2); }