/* ========================================
   UNAC Digital — Estilo Principal
   Fonte: Kanit | Cores: Manual de Marca
   ======================================== */

/* --- VARIÁVEIS --- */
:root {
  --cor-orbita: #0000C6;
  --cor-orbita-hover: #0000A0;
  --cor-nevoa: #B8B8B2;
  --cor-vacuo: #000000;
  --cor-pulso: #FFFFFF;
  --cor-fundo-alt: #F5F5F3;
  --cor-texto: #1A1A1A;
  --cor-texto-light: #555555;
  --cor-whatsapp: #25D366;
  --cor-whatsapp-hover: #1EBE57;
  --font: 'Kanit', sans-serif;
  --container: 1120px;
  --radius: 8px;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  color: var(--cor-texto);
  background: var(--cor-pulso);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
}

/* --- CONTAINER --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- TIPOGRAFIA SEÇÕES --- */
.section__title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--cor-vacuo);
  margin-bottom: 12px;
}

.section__sub {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--cor-texto-light);
  margin-bottom: 48px;
  max-width: 600px;
}

/* --- BOTÕES --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 3px solid var(--cor-orbita);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--cor-orbita);
  color: var(--cor-pulso);
}

.btn--primary:hover {
  background: var(--cor-orbita-hover);
}

.btn--secondary {
  background: transparent;
  color: var(--cor-orbita);
  border: 2px solid var(--cor-orbita);
}

.btn--secondary:hover {
  background: var(--cor-orbita);
  color: var(--cor-pulso);
}

.btn--whatsapp {
  background: var(--cor-whatsapp);
  color: var(--cor-pulso);
  font-size: 1.1rem;
  padding: 16px 32px;
}

.btn--whatsapp:hover {
  background: var(--cor-whatsapp-hover);
}

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

.btn__icon {
  flex-shrink: 0;
}

/* ========================================
   HEADER / NAV
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo-img {
  height: 130px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--cor-texto);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cor-orbita);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link:focus::after {
  width: 100%;
}

.nav__link:hover,
.nav__link:focus {
  color: var(--cor-orbita);
}

.nav__link--cta {
  background: var(--cor-orbita);
  color: var(--cor-pulso) !important;
  padding: 10px 20px;
  border-radius: var(--radius);
}

.nav__link--cta::after {
  display: none;
}

.nav__link--cta:hover {
  background: var(--cor-orbita-hover);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cor-vacuo);
  transition: transform var(--transition), opacity var(--transition);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--cor-pulso) 0%, var(--cor-fundo-alt) 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 720px;
}

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--cor-vacuo);
  margin-bottom: 20px;
}

.hero__highlight {
  color: var(--cor-orbita);
}

.hero__sub {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--cor-texto-light);
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========================================
   O CENÁRIO
   ======================================== */
.cenario {
  padding: 100px 0;
  background: var(--cor-pulso);
}

.cenario__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.cenario__card {
  background: var(--cor-fundo-alt);
  padding: 40px 32px;
  border-radius: var(--radius);
  border-left: 4px solid var(--cor-orbita);
}

.cenario__number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cor-orbita);
  margin-bottom: 12px;
  line-height: 1;
}

.cenario__text {
  font-size: 1rem;
  font-weight: 300;
  color: var(--cor-texto);
  margin-bottom: 12px;
}

.cenario__source {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--cor-nevoa);
  font-style: normal;
}

.cenario__note {
  font-size: 1rem;
  font-weight: 300;
  color: var(--cor-texto-light);
  max-width: 800px;
  line-height: 1.7;
}

/* ========================================
   SERVIÇOS
   ======================================== */
.servicos {
  padding: 100px 0;
  background: var(--cor-fundo-alt);
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.servicos__card {
  background: var(--cor-pulso);
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.servicos__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.servicos__cta-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--cor-orbita);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: gap var(--transition);
}

.servicos__icon {
  color: var(--cor-orbita);
  margin-bottom: 20px;
}

.servicos__title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--cor-vacuo);
}

.servicos__desc {
  font-size: 1rem;
  font-weight: 300;
  color: var(--cor-texto-light);
  line-height: 1.6;
}

/* ========================================
   COMO FUNCIONA
   ======================================== */
.processo {
  padding: 100px 0;
  background: var(--cor-pulso);
}

.processo__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.processo__step {
  text-align: center;
  position: relative;
}

.processo__num {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--cor-orbita);
  opacity: 0.2;
  margin-bottom: 16px;
  line-height: 1;
}

.processo__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--cor-vacuo);
}

.processo__desc {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--cor-texto-light);
  line-height: 1.6;
}

.processo__cta {
  text-align: center;
}

/* ========================================
   DIFERENCIAL
   ======================================== */
.diferencial {
  padding: 100px 0;
  background: var(--cor-orbita);
  color: var(--cor-pulso);
}

.diferencial .section__title {
  color: var(--cor-pulso);
}

.diferencial__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.diferencial__title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.diferencial__desc {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  opacity: 0.9;
}

/* ========================================
   CONTATO
   ======================================== */
.contato {
  padding: 100px 0;
  background: var(--cor-fundo-alt);
}

.contato .section__title {
  text-align: center;
}

.contato .section__sub {
  text-align: center;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.contato__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--cor-texto);
}

.form__input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 300;
  color: var(--cor-texto);
  background: var(--cor-pulso);
  transition: border-color var(--transition);
}

.form__input:focus {
  outline: none;
  border-color: var(--cor-orbita);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.contato__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 20px;
}

.contato__text {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--cor-texto);
}

.contato__email {
  font-size: 0.95rem;
  color: var(--cor-texto-light);
}

.contato__email a {
  color: var(--cor-orbita);
  font-weight: 500;
}

.contato__email a:hover {
  text-decoration: underline;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--cor-vacuo);
  color: var(--cor-pulso);
  padding: 60px 0 40px;
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer__logo {
  height: 130px;
  width: auto;
  margin-bottom: 8px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer__slogan {
  margin-top: 0;
}

.footer__slogan {
  font-size: 0.95rem;
  font-weight: 300;
  opacity: 0.7;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__nav a {
  font-size: 0.95rem;
  font-weight: 300;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer__nav a:hover {
  opacity: 1;
}

.footer__legal {
  text-align: right;
}

.footer__legal p {
  font-size: 0.85rem;
  font-weight: 300;
  opacity: 0.5;
  line-height: 1.6;
}

/* ========================================
   WHATSAPP FLUTUANTE
   ======================================== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--cor-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

/* ========================================
   RESPONSIVO
   ======================================== */

/* Tablet */
@media (max-width: 900px) {
  .hero__title {
    font-size: 2.2rem;
  }

  .cenario__grid {
    grid-template-columns: 1fr;
  }

  .servicos__grid {
    grid-template-columns: 1fr;
  }

  .processo__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .diferencial__grid {
    grid-template-columns: 1fr;
  }

  .contato__wrapper {
    grid-template-columns: 1fr;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__legal {
    text-align: left;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--cor-pulso);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav__menu--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link::after {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero__title {
    font-size: 1.8rem;
  }

  .hero__sub {
    font-size: 1.05rem;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    justify-content: center;
  }

  .section__title {
    font-size: 1.6rem;
  }

  .cenario,
  .servicos,
  .processo,
  .diferencial,
  .contato {
    padding: 60px 0;
  }

  .processo__steps {
    grid-template-columns: 1fr;
  }

  .cenario__number {
    font-size: 2rem;
  }
}

/* --- FOCO VISÍVEL (Acessibilidade) --- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--cor-orbita);
  outline-offset: 3px;
}

/* --- REDUZIR MOVIMENTO --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- SKIP LINK (Acessibilidade) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--cor-orbita);
  color: var(--cor-pulso);
  padding: 12px 24px;
  border-radius: var(--radius);
  z-index: 200;
  font-weight: 500;
}

.skip-link:focus {
  top: 16px;
}