/*=============== VARIÁVEIS CSS ===============*/
:root {
  /* Cores principais */
  --primary-color: #0F77F2;
  --primary-color-alt: #0A5BBF;
  --secondary-color: #1A1A1A;
  --accent-color: #2A2A2A;
  
  /* Cores de texto */
  --title-color: #FFFFFF;
  --text-color: #B8B8B8;
  --text-color-light: #8A8A8A;
  --body-color: #0D0D0D;
  --container-color: #161616;
  
  /* Tipografia */
  --body-font: 'Inter', sans-serif;
  --biggest-font-size: 5rem;
  --h1-font-size: 2.25rem;
  --h2-font-size: 1.75rem;
  --h3-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.75rem;
  
  /* Peso das fontes */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;
  
  /* Margens e espaçamentos */
  --mb-0-25: 0.25rem;
  --mb-0-5: 0.5rem;
  --mb-0-75: 0.75rem;
  --mb-1: 1rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;
  --mb-2-5: 2.5rem;
  --mb-3: 3rem;
  
  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
  
  /* Transições */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Responsividade de fontes */
@media screen and (max-width: 1300px) {
  :root {
    --biggest-font-size: 2.5rem;
    --h1-font-size: 2rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

body.loaded {
  opacity: 1;
  transition: opacity 0.5s ease;
}

h1, h2, h3, h4 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

/*=============== CLASSES REUTILIZÁVEIS ===============*/
.container {
  max-width: 1200px;
  margin-left: var(--mb-1-5);
  margin-right: var(--mb-1-5);
}

.section {
  padding: 6rem 0 2rem;
}

.section__title {
  font-size: var(--h2-font-size);
  color: var(--title-color);
  text-align: center;
  margin-bottom: var(--mb-0-5);
  font-weight: var(--font-bold);
}

.section__subtitle {
  display: block;
  font-size: var(--normal-font-size);
  color: var(--text-color);
  text-align: center;
  margin-bottom: var(--mb-3);
}

.section__header {
  margin-bottom: var(--mb-3);
}

/*=============== BOTÕES ===============*/
.button {
  display: inline-flex;
  align-items: center;
  background-color: var(--primary-color);
  color: #FFFFFF;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  font-weight: var(--font-medium);
  transition: var(--transition);
  border: 2px solid var(--primary-color);
  text-decoration: none;
  cursor: pointer;
  font-size: var(--normal-font-size);
}

.button:hover {
  background-color: var(--primary-color-alt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 119, 242, 0.3);
}

.button--outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.button--outline:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
}

.button__icon {
  margin-right: var(--mb-0-5);
  font-size: 1.125rem;
}

/*=============== HEADER & NAVEGAÇÃO ===============*/
.header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header.scroll-header {
  background-color: rgba(13, 13, 13, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav {
  height: 4.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 40px;
  width: auto;
}

.nav__menu {
  position: relative;
}

.nav__list {
  display: flex;
  column-gap: 2rem;
}

.nav__link {
  color: var(--text-color);
  font-weight: var(--font-medium);
  transition: var(--transition);
  position: relative;
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--primary-color);
}

.nav__link.active-link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  border-radius: 1px;
}

.nav__toggle,
.nav__close {
  display: none;
}

/*=============== HOME ===============*/
.home {
  background-color: #000000;
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.home__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--mb-2-5);
  flex-wrap: wrap;
}

.home__bg {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  justify-content: center;
}

.home__bg-img {
  width: 100%;
  max-width: 480px;
  height: auto;
  opacity: 0.4;
  filter: blur(1px);
  border-radius: 0.5rem;
}

.home__content {
  flex: 1;
  z-index: 2;
}

.home__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--mb-1);
  line-height: 1.2;
}

.home__title-highlight {
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-color), #1E90FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.home__description {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-2-5);
  color: var(--text-color);
  line-height: 1.6;
}

.home__title,
.home__description {
  word-wrap: break-word;
  word-break: break-word;
  overflow-wrap: break-word;
}

.home__buttons {
  display: flex;
  gap: var(--mb-1);
  flex-wrap: wrap;
}

/*=============== SERVIÇOS ===============*/
.services {
  background-color: var(--container-color);
}

.services__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--mb-2-5);
}

.service__card {
  background-color: var(--body-color);
  padding: var(--mb-2-5);
  border-radius: 1rem;
  border: 1px solid var(--accent-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), #1E90FF);
}

.service__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(15, 119, 242, 0.1);
  border-color: var(--primary-color);
}

.service__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), #1E90FF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--mb-1-5);
}

.service__icon i {
  font-size: 1.5rem;
  color: #FFFFFF;
}

.service__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-1);
  color: var(--title-color);
}

.service__description {
  margin-bottom: var(--mb-1-5);
  color: var(--text-color);
  line-height: 1.6;
}

.service__features {
  list-style: none;
}

.service__features li {
  display: flex;
  align-items: center;
  margin-bottom: var(--mb-0-75);
  color: var(--text-color);
}

.service__features i {
  color: var(--primary-color);
  margin-right: var(--mb-0-5);
  font-size: 0.875rem;
}

.demo__button {
  display: inline-block;
  margin-top: var(--mb-1-5);
  background: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  font-size: var(--small-font-size);
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.demo__button:hover {
  background-color: var(--primary-color);
  color: #fff;
  transform: scale(1.05);
}

.video__modal {
  display: none;
  position: fixed;
  z-index: var(--z-modal);
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.8);
}

.video__modal-content {
  background-color: var(--body-color);
  margin: 10% auto;
  padding: 1rem;
  border-radius: 0.75rem;
  max-width: 640px;
  width: 90%;
}

.video__modal-close {
  color: #fff;
  float: right;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
}

.video__modal-close:hover {
  color: var(--primary-color);
}

/*=============== SOBRE ===============*/
.about__container {
  display: grid;
  gap: var(--mb-2-5);
}

.about__description {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-2-5);
  color: var(--text-color);
  line-height: 1.6;
  text-align: center;
}

.about__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--mb-2);
}

.feature__item {
  text-align: center;
  padding: var(--mb-2);
  background-color: var(--container-color);
  border-radius: 1rem;
  border: 1px solid var(--accent-color);
  transition: var(--transition);
}

.feature__item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(15, 119, 242, 0.1);
}

.feature__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), #1E90FF);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--mb-1);
}

.feature__icon i {
  font-size: 1.5rem;
  color: #FFFFFF;
}

.feature__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-75);
  color: var(--title-color);
}

.feature__description {
  color: var(--text-color);
  line-height: 1.6;
}

/*=============== CONTATO ===============*/
.contact {
  background-color: var(--container-color);
}

.contact__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--mb-3);
  align-items: start;
}

.contact__info {
  padding: var(--mb-2);
}

.contact__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-1);
  color: var(--title-color);
}

.contact__description {
  margin-bottom: var(--mb-2);
  color: var(--text-color);
  line-height: 1.6;
}

.contact__links {
  display: flex;
  flex-direction: column;
  width: 50%;
  gap: var(--mb-1);
}

.contact__link {
  display: block;
  width: 100%;
  padding: var(--mb-0-75);
  color: var(--text-color);
  transition: var(--transition);
  border-radius: 0.5rem;
  background-color: transparent;
  text-align: left;
}

.contact__link:hover {
  color: var(--primary-color);
  background-color: rgba(15, 119, 242, 0.1);
  transform: translateX(5px);
}

.contact__icon {
  font-size: 1.25rem;
  margin-right: var(--mb-0-75);
  color: var(--primary-color);
}

/*=============== FORMULÁRIO ===============*/
.contact__form-container {
  background-color: var(--body-color);
  padding: var(--mb-2-5);
  border-radius: 1rem;
  border: 1px solid var(--accent-color);
}

.form__group {
  margin-bottom: var(--mb-1-5);
}

.form__label {
  display: block;
  font-size: var(--small-font-size);
  color: var(--title-color);
  margin-bottom: var(--mb-0-5);
  font-weight: var(--font-medium);
}

.form__input,
.form__textarea {
  width: 100%;
  background-color: var(--container-color);
  color: var(--text-color);
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  border: 2px solid var(--accent-color);
  border-radius: 0.5rem;
  padding: var(--mb-0-75);
  transition: var(--transition);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 119, 242, 0.1);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__submit {
  width: 100%;
  justify-content: center;
  border: none;
  font-family: var(--body-font);
}

/*=============== FOOTER ===============*/
.footer {
  background-color: var(--secondary-color);
  padding: var(--mb-3) 0 var(--mb-2);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--mb-2);
  margin-bottom: var(--mb-2);
}

.footer__logo-img {
  height: 35px;
  margin-bottom: var(--mb-1);
}

.footer__description {
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: var(--mb-1-5);
}

.footer__title {
  font-size: var(--h3-font-size);
  color: var(--title-color);
  margin-bottom: var(--mb-1);
}

.footer__social {
  display: flex;
  gap: var(--mb-0-75);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--accent-color);
  color: var(--text-color);
  border-radius: 50%;
  transition: var(--transition);
}

.footer__social-link:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid var(--accent-color);
  padding-top: var(--mb-1-5);
  text-align: center;
}

.footer__copy {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
}

/*=============== SCROLL TO TOP ===============*/
.scrolltop {
  position: fixed;
  right: 1rem;
  bottom: -20%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.3rem;
  background: linear-gradient(135deg, var(--primary-color), #1E90FF);
  border-radius: 0.4rem;
  z-index: var(--z-tooltip);
  transition: var(--transition);
  visibility: hidden;
}

.scrolltop.show-scroll {
  visibility: visible;
  bottom: 5rem;
}

.scrolltop__icon {
  font-size: 1.25rem;
  color: #FFFFFF;
}

/*=============== MEDIA QUERIES ===============*/
@media screen and (max-width: 497px) {  
  .home__container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--mb-2);
  }

  .container {
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    box-sizing: border-box;
  }

  .home__content, 
  .home__bg {
    flex: 1 1 100%; /* forçar quebra em colunas em telas pequenas */
    max-width: 100%;
  }
  
  .home__buttons {
    flex-direction: column;
  }
  
  .services__container {
    grid-template-columns: 1fr;
  }

  .contact__links {
    width: 100%;
  }
}

@media screen and (max-width: 568px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 50%;
    height: 100%;
    background-color: var(--container-color);
    border: 1px solid var(--accent-color);
    padding: 6rem 0rem 2rem;
    transition: var(--transition);
  }
  
  .nav__menu.show-menu {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    row-gap: 2rem;
    padding: 2rem 2rem 2rem;
    background-color: var(--container-color);
  }
  
  .nav__link {
    font-size: var(--h3-font-size);
    text-align: center;
  }
  
  .nav__close,
  .nav__toggle {
    display: block;
  }
  
  .nav__close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 1.5rem;
    color: var(--title-color);
    cursor: pointer;
  }
  
  .nav__toggle {
    font-size: 1.25rem;
    color: var(--title-color);
    cursor: pointer;
  }

  .home {
    height: auto;
    min-height: unset;
    width: 100%;
    overflow: hidden;
    padding-left: 1rem;
    padding-right: 1rem;
    box-sizing: border-box;
  }
  
  .home__bg-img {
    width: 100%;
    max-width: 400px;
    height: auto;
  }
  
  .contact__container {
    grid-template-columns: 1fr;
  }
}

@media screen and (min-width: 993px) and (max-width: 1245px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .nav__list {
    column-gap: 3rem;
  }

  .nav__logo-img {
    margin-right: 2rem;
  }
}

@media screen and (min-width: 992px) {
  .container {
    margin-left: auto;
    margin-right: auto;
  }
  
  .section {
    padding: 8rem 0 2rem;
  }
  
  .home {
    height: 100vh;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .home__bg {
    right: 5%;
  }
  
  .scrolltop {
    right: 3rem;
  }
}

/*=============== ANIMAÇÕES ===============*/
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.service__card,
.feature__item,
.contact__form-container {
  animation: fadeInUp 0.6s ease forwards;
}

.home__title-highlight {
  animation: pulse 2s ease-in-out infinite;
}

/*=============== NOTIFICAÇÕES ===============*/
.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  max-width: 400px;
  min-width: 300px;
  z-index: var(--z-modal);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.notification__content {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  gap: var(--mb-0-75);
}

.notification__icon {
  font-size: 1.25rem;
}

.notification__message {
  flex: 1;
  color: #FFFFFF;
  font-weight: var(--font-medium);
}

.notification__close {
  background: none;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.8;
  transition: var(--transition);
}

.notification__close:hover {
  opacity: 1;
}

.notification--success {
  background-color: #10B981;
}

.notification--error {
  background-color: #EF4444;
}

.notification--info {
  background-color: #3B82F6;
}

img {
  pointer-events: none;
  user-drag: none;
  -webkit-user-drag: none;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
}