/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #2563eb;
  --primary-color-alt: #1d4ed8;
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --text-color: #1f2937;
  --text-color-light: #6b7280;
  --white-color: #ffffff;
  --black-color: #000000;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-alt) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, #f97316 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Typography */
  --body-font: 'Inter', sans-serif;
  --h1-font-size: 3.5rem;
  --h2-font-size: 2.5rem;
  --h3-font-size: 1.5rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.75rem;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;

  /* Spacing */
  --mb-0-25: 0.25rem;
  --mb-0-5: 0.5rem;
  --mb-0-75: 0.75rem;
  --mb-1: 1rem;
  --mb-1-25: 1.25rem;
  --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;

  /* Shadows */
  --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

  /* Border Radius */
  --border-radius-sm: 0.375rem;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===== RESPONSIVE TYPOGRAPHY ===== */
@media screen and (max-width: 992px) {
  :root {
    --h1-font-size: 2.5rem;
    --h2-font-size: 2rem;
    --h3-font-size: 1.25rem;
    --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(--white-color);
  color: var(--text-color);
  line-height: 1.6;
}

h1,
h2,
h3,
h4 {
  color: var(--text-color);
  font-weight: var(--font-semi-bold);
  line-height: 1.2;
}

ul {
  list-style: none;
}

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

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

button {
  cursor: pointer;
  border: none;
  outline: none;
}

/* ===== REUSABLE CSS CLASSES ===== */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.grid {
  display: grid;
}

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

.section__title {
  font-size: var(--h2-font-size);
  color: var(--text-color);
  text-align: center;
  margin-bottom: var(--mb-0-75);
}

.section__subtitle {
  display: block;
  font-size: var(--normal-font-size);
  color: var(--text-color-light);
  text-align: center;
  margin-bottom: var(--mb-3);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ===== BUTTONS ===== */
.button {
  display: inline-flex;
  align-items: center;
  gap: var(--mb-0-5);
  background: var(--gradient-primary);
  color: var(--white-color);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-medium);
  transition: var(--transition-medium);
  box-shadow: var(--shadow-medium);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: var(--normal-font-size);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

.button--primary {
  background: var(--gradient-primary);
}

.button--ghost {
  background: var(--primary-color);
  color: var(--white-color);
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-medium);
}

.button--ghost:hover {
  background: var(--primary-color-alt);
  color: var(--white-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-large);
}

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

/* ===== HEADER & NAV ===== */
.header {
  width: 100%;
  background-color: var(--white-color);
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  transition: var(--transition-medium);
  box-shadow: var(--shadow-light);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--mb-0-5);
  color: var(--text-color);
  font-weight: var(--font-bold);
  font-size: 1.25rem;
}

.nav__logo-img {
  width: 180px;
  height: auto;
}

.nav__menu {
  position: relative;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

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

.nav__link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -0.5rem;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active-link::after {
  width: 100%;
}

.nav__cta {
  background: var(--gradient-primary);
  color: var(--white-color) !important;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition-medium);
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.nav__cta::after {
  display: none;
}

.nav__toggle,
.nav__close {
  display: none;
}

/* ===== HERO ===== */
.hero {
  background: var(--gradient-hero);
  padding-top: 8rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero__container {
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__data {
  color: var(--white-color);
}

.hero__title {
  font-size: var(--h1-font-size);
  margin-bottom: var(--mb-1);
  line-height: 1.1;
}

.hero__title-accent {
  background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: 1.125rem;
  margin-bottom: var(--mb-2-5);
  opacity: 0.9;
  line-height: 1.6;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__img {
  justify-self: center;
}

.hero__illustration {
  width: 100%;
  max-width: 500px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
  animation: float 6s ease-in-out infinite;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.hero__scroll-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--mb-0-5);
  color: var(--white-color);
  opacity: 0.8;
  transition: var(--transition-medium);
  animation: bounce 2s infinite;
}

.hero__scroll-button:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* ===== ABOUT ===== */
.about__container {
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
}

.about__data {
  order: 1;
}

.about__description {
  margin-bottom: var(--mb-2);
}

.about__description p {
  margin-bottom: var(--mb-1);
  color: var(--text-color-light);
  line-height: 1.7;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--mb-2);
}

.about__stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--gray-100);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-medium);
}

.about__stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.about__stat-number {
  font-size: 2.5rem;
  font-weight: var(--font-bold);
  color: var(--primary-color);
  margin-bottom: var(--mb-0-5);
}

.about__stat-text {
  color: var(--text-color-light);
  font-weight: var(--font-medium);
}

.about__img {
  order: 2;
  justify-self: center;
}

.about__illustration {
  width: 100%;
  max-width: 600px;
  border-radius: var(--border-radius-xl);

}

/* ===== SERVICES ===== */
.services {
  background-color: var(--gray-100);
}

.services__content {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.services__card {
  background: var(--white-color);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-medium);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.services__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.services__card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.services__card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--mb-1-5);
}

.services__card-icon i {
  font-size: 1.5rem;
  color: var(--white-color);
}

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

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

.services__card-features {
  list-style: none;
}

.services__card-features li {
  display: flex;
  align-items: center;
  gap: var(--mb-0-5);
  margin-bottom: var(--mb-0-75);
  color: var(--text-color-light);
}

.services__card-features i {
  color: var(--accent-color);
  font-size: var(--small-font-size);
}

/* ===== BENEFITS ===== */
.benefits__content {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.benefits__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.benefits__img {
  justify-self: center;
}

.benefits__item-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-secondary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.benefits__item-icon i {
  font-size: 1.25rem;
  color: var(--white-color);
}

.benefits__item-content {
  flex: 1;
}

.benefits__item-title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-5);
  color: var(--text-color);
}

.benefits__item-description {
  color: var(--text-color-light);
  line-height: 1.6;
}

.benefits__img {
  justify-self: center;
}

.benefits__illustration {
  width: 100%;
  max-width: 450px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  background-color: var(--gray-100);
}

.testimonials__content {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonials__card {
  background: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-medium);
  transition: var(--transition-medium);
}

.testimonials__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.testimonials__card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--mb-1-5);
}

.testimonials__card-img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

.testimonials__card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonials__card-name {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-25);
}

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

.testimonials__card-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--mb-1);
}

.testimonials__card-stars i {
  color: var(--secondary-color);
}

.testimonials__card-text {
  color: var(--text-color-light);
  line-height: 1.6;
  font-style: italic;
}

/* ===== CTA ===== */
.cta {
  background: var(--gradient-hero);
  color: var(--white-color);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.cta__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta__title {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-1);
}

.cta__description {
  font-size: 1.125rem;
  margin-bottom: var(--mb-2-5);
  opacity: 0.9;
  line-height: 1.6;
}

.cta__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--gray-900);
  color: var(--white-color);
  padding-top: 4rem;
}

.footer__container {
  margin-bottom: 2rem;
}

.footer__content {
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--mb-0-5);
  margin-bottom: var(--mb-1);
  font-weight: var(--font-bold);
  font-size: 1.25rem;
}

.footer__logo-img {
  width: 180px;
  height: auto;
  filter: none;
}

.footer__description {
  color: var(--gray-300);
  margin-bottom: var(--mb-2);
  line-height: 1.6;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-medium);
}

.footer__social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

.footer__links-list {
  display: flex;
  flex-direction: column;
  gap: var(--mb-0-75);
}

.footer__link {
  color: var(--gray-300);
  transition: var(--transition-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--mb-0-5);
}

.footer__contact-item i {
  color: var(--primary-color);
  width: 16px;
}

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding: 1.5rem 0;
}

.footer__bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  color: var(--gray-300);
}

.footer__bottom-links {
  display: flex;
  gap: 2rem;
}

.footer__bottom-link {
  color: var(--gray-300);
  transition: var(--transition-fast);
}

.footer__bottom-link:hover {
  color: var(--primary-color);
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
}

.modal.show-modal {
  opacity: 1;
  visibility: visible;
}

.modal__content {
  background: var(--white-color);
  border-radius: var(--border-radius-xl);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.8);
  transition: var(--transition-medium);
}

.modal.show-modal .modal__content {
  transform: scale(1);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--mb-2);
}

.modal__title {
  font-size: var(--h3-font-size);
  color: var(--text-color);
}

.modal__close {
  width: 32px;
  height: 32px;
  background: var(--gray-200);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal__close:hover {
  background: var(--gray-300);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
}

.overlay.show-overlay {
  opacity: 1;
  visibility: visible;
}

/* ===== FORM ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--mb-0-5);
}

.form__label {
  font-weight: var(--font-medium);
  color: var(--text-color);
}

.form__input,
.form__textarea {
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius);
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  transition: var(--transition-fast);
  resize: vertical;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
  min-height: 120px;
}

/* ===== ANIMATIONS ===== */
@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

.fade-in.show {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition-slow);
}

.slide-in-left.show {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition-slow);
}

.slide-in-right.show {
  opacity: 1;
  transform: translateX(0);
}

/* Remove o texto do logo já que a imagem já contém o texto */
.nav__logo-text,
.footer__logo-text {
  display: none;
}

@media screen and (max-width: 992px) {
  .container {
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
  }

  .hero__container,
  .about__container,
  .benefits__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__data {
    text-align: center;
    order: 2;
  }

  .hero__img {
    order: 1;
  }

  .about__img {
    order: 1;
  }

  .about__data {
    order: 2;
    text-align: center;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .benefits__img {
    order: 1;
  }

  .benefits__data {
    order: 2;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .footer__links {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .footer__bottom-container {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--white-color);
    padding: 6rem 2rem 2rem;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-large);
  }

  .nav__menu.show-menu {
    left: 0;
  }

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

  .nav__link {
    font-size: 1.125rem;
  }

  .nav__close {
    display: block;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
  }

  .nav__toggle {
    display: block;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-color);
  }

  .hero__buttons {
    justify-content: center;
  }

  .about__stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

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

  .cta__buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer__links {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom-links {
    flex-direction: column;
    gap: 1rem;
  }
}

@media screen and (max-width: 576px) {
  .hero {
    padding-top: 6rem;
  }

  .section {
    padding: 4rem 0 2rem;
  }

  .hero__buttons,
  .cta__buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .modal__content {
    padding: 1.5rem;
    margin: 1rem;
  }

  .services__card,
  .testimonials__card {
    padding: 1.5rem;
  }
}

#scroll-up {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  z-index: 9999;
  background: #007bff;
  color: #fff;
  border-radius: 50%;
  padding: 1rem;
  font-size: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: opacity 0.3s, visibility 0.3s;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#scroll-up.show {
  opacity: 0.7;
  visibility: visible;
  pointer-events: auto;
}

#scroll-up:hover {
  opacity: 1;
}