:root {
  --bg: #090909;
  --bg-soft: #111111;
  --card: #161616;
  --text: #f5f5f5;
  --muted: #b5b5b5;
  --orange: #ff6a00;
  --red: #d71920;
  --gold: #f2b84b;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 25px 70px rgba(0, 0, 0, 0.45);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
}

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(9, 9, 9, 0.72);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: 0.3s ease;
}

.header.scrolled {
  background: rgba(9, 9, 9, 0.94);
  box-shadow: var(--shadow);
}

.nav {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  list-style: none;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
}

.menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  transition: 0.25s ease;
  white-space: nowrap;
}

.menu a:hover {
  color: #fff;
  background: rgba(255, 106, 0, 0.13);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.section {
  padding: 110px 0;
  position: relative;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 106, 0, 0.28), transparent 32%),
    radial-gradient(circle at 20% 80%, rgba(215, 25, 32, 0.18), transparent 30%),
    linear-gradient(135deg, #080808 0%, #111 48%, #060606 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 50px;
}

.eyebrow {
  display: inline-flex;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.95;
  letter-spacing: -3px;
  text-transform: uppercase;
  max-width: 780px;
}

h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -2px;
  text-transform: uppercase;
}

h3 {
  font-size: 22px;
}

p {
  color: var(--muted);
  line-height: 1.75;
  font-size: 17px;
}

.hero-text p {
  max-width: 620px;
  margin-top: 24px;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 900;
  text-transform: uppercase;
  font-size: 13px;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--red));
  color: #fff;
  box-shadow: 0 12px 35px rgba(255, 106, 0, 0.32);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 45px rgba(255, 106, 0, 0.48);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.hero-logo {
  display: flex;
  justify-content: center;
}

.hero-logo img {
  width: min(480px, 100%);
  filter: drop-shadow(0 30px 45px rgba(255, 106, 0, 0.2));
  animation: float 4s ease-in-out infinite;
}

.grid-2 {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about,
.differentials {
  background: var(--bg-soft);
}

.about-card,
.card,
.feature,
.contact-box {
  background: linear-gradient(145deg, rgba(255,255,255,0.065), rgba(255,255,255,0.025));
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.about-card {
  padding: 42px;
}

.about-card p + p {
  margin-top: 18px;
}

.center {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 48px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-top: 44px;
}

.card {
  padding: 38px;
  transition: 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--red));
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 106, 0, 0.45);
}

.icon {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: rgba(255, 106, 0, 0.12);
  color: var(--orange);
  font-size: 28px;
  margin-bottom: 24px;
}

.card h3,
.feature h3 {
  margin-bottom: 12px;
}

.features {
  display: grid;
  gap: 18px;
}

.feature {
  display: flex;
  gap: 20px;
  padding: 24px;
  transition: 0.25s ease;
}

.feature:hover {
  border-color: rgba(255, 106, 0, 0.45);
  transform: translateX(6px);
}

.feature span {
  min-width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: var(--gold);
  background: rgba(242, 184, 75, 0.1);
  font-weight: 900;
}

.contact-box {
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 40px;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(255, 106, 0, 0.18), transparent 32%),
    linear-gradient(145deg, rgba(255,255,255,0.065), rgba(255,255,255,0.025));
}

.contact-links {
  display: grid;
  gap: 14px;
}

.contact-links a {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--muted);
  transition: 0.25s ease;
}

.contact-links a:hover {
  color: #fff;
  border-color: var(--orange);
  background: rgba(255, 106, 0, 0.08);
}

.footer {
  padding: 34px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  background: #060606;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #25d366;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.35);
  transition: all 0.3s ease;

  z-index: 999;
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: #fff;

  display: block; /* evita desalinhamento */
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 20px 50px rgba(37, 211, 102, 0.5);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@media (max-width: 980px) {
  .container {
    width: min(1180px, calc(100% - 40px));
  }

  .menu-toggle {
    display: block;
  }

  .menu {
    position: fixed;
    top: 82px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    padding: 18px;
    border-radius: 22px;
    background: rgba(12, 12, 12, 0.98);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .menu.open {
    display: flex;
  }

  .menu a {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    min-height: 46px;
    padding: 0 16px;
  }

  .hero-content,
  .grid-2,
  .cards,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero {
    text-align: center;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  h1 {
    letter-spacing: -2px;
  }

  .section {
    padding: 82px 0;
  }

  .hero-logo img {
    width: min(360px, 88vw);
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .brand span {
    display: none;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .about-card,
  .card,
  .contact-box {
    padding: 28px;
  }

  .feature {
    flex-direction: column;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    padding: 14px 18px;
  }
}