/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --azul:        #1a4fc4;
  --azul-dark:   #1340a0;
  --azul-light:  #2563eb;
  --branco:      #ffffff;
  --cinza-bg:    #f4f7ff;
  --cinza-texto: #64748b;
  --titulo:      #0f1f4b;
  --sombra:      0 4px 24px rgba(26,79,196,.12);
  --radius:      12px;
  --trans:       .25s ease;
}

html {
  scroll-behavior: smooth;
  overscroll-behavior: none;
  background: #0f1f4b;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--titulo);
  background: var(--branco);
  line-height: 1.6;
  overscroll-behavior: none;
  overflow-x: hidden;
  max-width: 100vw;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.container {
  width: 90%;
  max-width: 1160px;
  margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.8rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans), color var(--trans);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra); }

.btn--primary {
  background: var(--azul);
  color: var(--branco);
  border-color: var(--azul);
}
.btn--primary:hover { background: var(--azul-dark); border-color: var(--azul-dark); }

.btn--outline {
  background: transparent;
  color: var(--branco);
  border-color: var(--branco);
}
.btn--outline:hover { background: var(--branco); color: var(--azul); }

.btn--full { width: 100%; justify-content: center; }

/* ===== SECTION LABELS ===== */
.section__tag {
  display: inline-block;
  background: rgba(26,79,196,.1);
  color: var(--azul);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .3rem .9rem;
  border-radius: 50px;
  margin-bottom: .8rem;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--titulo);
  margin-bottom: 1rem;
}
.section__sub {
  color: var(--cinza-texto);
  max-width: 560px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
  text-align: center;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--trans), box-shadow var(--trans);
}
.header.scrolled {
  background: var(--branco);
  box-shadow: 0 2px 16px rgba(0,0,0,.1);
}
.header.scrolled .nav__link--cta { color: var(--branco) !important; }
.header.scrolled .hamburger span { background: var(--titulo); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo__img {
  height: 56px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1); /* logo toda branca no hero */
  transition: filter .45s ease;
}
/* ao scrollar, header fica branco e logo volta às cores originais */
.header.scrolled .logo__img {
  filter: none;
}
/* no footer a logo fica um pouco maior e toda branca (fundo escuro) */
.logo__img--footer {
  height: 100px;
  filter: brightness(0) invert(1);
  transition: none;
}

/* Nav */
.nav { display: flex; align-items: center; gap: 2rem; }
.nav__link { color: rgba(255,255,255,.9); font-weight: 600; transition: color var(--trans); }
.nav__link:hover { color: var(--branco); }
.nav__link--cta {
  background: var(--azul);
  color: var(--branco) !important;
  padding: .55rem 1.4rem;
  border-radius: 50px;
  transition: background var(--trans);
}
.nav__link--cta:hover { background: var(--azul-dark); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--branco);
  border-radius: 4px;
  transition: transform var(--trans), opacity var(--trans);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f1f4b 0%, var(--azul) 60%, #2563eb 100%);
  padding-top: 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--branco));
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 4rem 0;
}
.hero__tag {
  display: inline-block;
  background: rgba(255,255,255,.15);
  color: var(--branco);
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: .4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.2);
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--branco);
  line-height: 1.15;
  margin-bottom: 1.2rem;
}
.hero__title span { color: rgba(255,255,255,.75); }
.hero__sub {
  color: rgba(255,255,255,.8);
  font-size: 1.1rem;
  margin-bottom: 2.2rem;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.6);
  font-size: .8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  animation: bounce 2s infinite;
  z-index: 3;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ===== DIFERENCIAIS ===== */
.diferenciais {
  background: var(--branco);
  padding: 1.5rem 0 3rem;
}
.diferenciais__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.diferencial {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 1.2rem;
  border-radius: var(--radius);
  border: 1.5px solid rgba(26,79,196,.1);
  background: var(--cinza-bg);
  transition: box-shadow var(--trans), transform var(--trans);
}
.diferencial:hover { box-shadow: var(--sombra); transform: translateY(-3px); }
.diferencial > i {
  font-size: 1.6rem;
  color: var(--azul);
  flex-shrink: 0;
}
.diferencial strong { display: block; font-size: .95rem; color: var(--titulo); }
.diferencial span { font-size: .82rem; color: var(--cinza-texto); }

/* ===== SERVIÇOS ===== */
.servicos {
  padding: 5rem 0;
  background: var(--cinza-bg);
  text-align: center;
}
.servicos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}
.card {
  background: var(--branco);
  border-radius: var(--radius);
  padding: 2rem 1.6rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: box-shadow var(--trans), transform var(--trans);
  border-top: 4px solid transparent;
}
.card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-5px);
  border-top-color: var(--azul);
}
.card__icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(26,79,196,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  font-size: 1.4rem;
  color: var(--azul);
}
.card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .6rem; color: var(--titulo); }
.card p { color: var(--cinza-texto); font-size: .95rem; }

/* ===== SOBRE ===== */
.sobre {
  padding: 5rem 0;
  background: var(--branco);
}
.sobre__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.sobre__img {
  border-radius: 20px;
  background: linear-gradient(135deg, var(--azul) 0%, #0f1f4b 100%);
  height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sobre__img::before {
  content: '\f7d9';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 10rem;
  color: rgba(255,255,255,.08);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}
.sobre__img-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--branco);
  border-radius: 50px;
  padding: .8rem 1.6rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  box-shadow: var(--sombra);
  white-space: nowrap;
  font-weight: 700;
  color: var(--azul);
}
.sobre__img-badge i { font-size: 1.2rem; }

.sobre__texto .section__tag { margin-bottom: .6rem; }
.sobre__texto .section__title { margin-bottom: 1.2rem; }
.sobre__texto p { color: var(--cinza-texto); margin-bottom: 1rem; }

.sobre__lista {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}
.sobre__lista li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 600;
  color: var(--titulo);
}
.sobre__lista li i { color: var(--azul); font-size: 1rem; }

/* ===== CONTATO ===== */
.contato {
  padding: 5rem 0;
  background: var(--cinza-bg);
  text-align: center;
}
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  text-align: left;
  margin-top: 2rem;
}
.contato__info {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  justify-content: center;
}
.contato__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contato__item > i {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--azul);
  color: var(--branco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contato__item strong { display: block; font-size: .85rem; color: var(--cinza-texto); margin-bottom: .1rem; }
.contato__item a, .contato__item span { font-weight: 600; color: var(--titulo); font-size: 1rem; }
.contato__item a:hover { color: var(--azul); }

/* Form */
.form {
  background: var(--branco);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0,0,0,.07);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.form__group { display: flex; flex-direction: column; gap: .4rem; }
.form__group label { font-size: .88rem; font-weight: 600; color: var(--titulo); }
.form__group input,
.form__group select,
.form__group textarea {
  border: 1.5px solid #dde4f0;
  border-radius: 8px;
  padding: .75rem 1rem;
  font-size: .95rem;
  font-family: inherit;
  color: var(--titulo);
  background: var(--branco);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  resize: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(26,79,196,.12);
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: #aab0be; }
.form__group select { appearance: none; }

/* ===== FOOTER ===== */
.footer {
  background: var(--titulo);
  color: rgba(255,255,255,.6);
  text-align: center;
  padding: 2.5rem 0;
}
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: .8rem; }
.footer p { font-size: .9rem; }
.footer__copy { font-size: .78rem; }

/* ===== WHATSAPP FLUTUANTE ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--azul);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(26,79,196,.45);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  background: var(--azul-dark);
  box-shadow: 0 6px 28px rgba(26,79,196,.6);
}

/* Ondas pulsantes */
.whatsapp-float::before,
.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--azul);
  opacity: .6;
  animation: waPulse 2.4s ease-out infinite;
  z-index: -1;
}
.whatsapp-float::after {
  animation-delay: 1.2s;
  opacity: .4;
}

@keyframes waPulse {
  0%   { transform: scale(1);   opacity: .6; }
  70%  { transform: scale(1.9); opacity: 0;  }
  100% { transform: scale(1.9); opacity: 0;  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .diferenciais__grid { grid-template-columns: repeat(2, 1fr); }
  .servicos__grid { grid-template-columns: repeat(2, 1fr); }
  .sobre__inner { grid-template-columns: 1fr; }
  .sobre__img { height: 280px; }
  .contato__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0; right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--branco);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.4rem;
    box-shadow: -4px 0 24px rgba(0,0,0,.15);
    transition: right var(--trans);
    z-index: 99;
  }
  .nav.open { right: 0; }
  .nav__link { color: var(--titulo) !important; font-size: 1.1rem; }
  .nav__link--cta { color: var(--branco) !important; }
  .hamburger { display: flex; z-index: 101; }
  .servicos__grid { grid-template-columns: 1fr; }
  .diferenciais__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.2rem; }
}