html {
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

body {
  font-family: "Open Sans", sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  background: var(--white);
}

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

ul {
  list-style: none;
}

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

:root {
  --primary-color: #000;
  --secondary-color: #fff;
  --light-gray: #e0e0e0;
  --dark-gray: #222;
  --white: #fff;
}

header {
  background: transparent;
}

#about {
  background: linear-gradient(135deg, #000000 0%, #555555 100%);
  color: #fff;
  padding: 8rem 1rem 6rem;
  margin-bottom: -80px;
  gap: 3rem;
}

#about .about-title,
#about .about-lead,
#about .about-text,
#about .about-label {
  color: #fff;
}

header.scrolled {
  background: var(--white);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  padding: 20px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: background 0.3s, padding 0.3s;
}

header.scrolled {
  background: var(--white);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 25px 50px;
  color: var(--primary-color);
}

header .nav-links a {
  font-weight: 700;
  color: white;
  position: relative;
  transition: color 0.3s;
}

header.scrolled .nav-links a {
  font-weight: 700;
  color: #000;
  position: relative;
  transition: color 0.3s;
}

header .nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: #000;
  transition: width 0.4s ease;
}

header .nav-links a:hover {
  color: var(--primary-color);
}

header .nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.5em;
  color: var(--dark-gray);
}

.nav-links {
  display: flex;
  gap: 30px;
}

section {
  padding: 80px 50px;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  margin-top: 80px;
}

.section-title h2 {
  font-size: 2em;
  display: inline-block;
  padding-bottom: 10px;
}

.section-title h2::after {
  content: "";
  position: absolute;
  width: 50px;
  height: 3px;
  background: var(--primary-color);
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
}

#about {
  display: flex;
  flex-direction: row-reverse;
  justify-content: center;
  align-items: center;
  padding: 6rem 1rem;
  margin: 0 auto;
  flex-wrap: nowrap;
  margin-bottom: -80px;
}

#about .about-wrapper {
  flex: 0 0 40%;
  max-width: 40%;
  overflow-wrap: break-word;
  word-break: break-word;
  margin-top: 70px;
}

#about .about-image {
  flex: 0 0 30%;
  max-width: 55%;
}

.about-label {
  display: inline-block;
  padding: 0.25rem 1rem;
  border: 2px solid #000;
  border-radius: 50px;
  color: var(--dark-gray);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about-title {
  font-size: 2.5rem;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--dark-gray);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.about-text {
  font-size: 1rem;
  color: #555;
  line-height: 1.8;
}

.about-image img {
  border-radius: 8px;
  margin-top: 70px;
}

.services-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  padding: 0 5%;
}

.service-item {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 2.5rem 1.5rem;
  flex: 1 1 280px;
  max-width: 320px;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.service-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.service-item i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.service-item h3 {
  font-size: 1.5rem;
  color: var(--dark-gray);
  margin-bottom: 1rem;
}

.service-list li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: 0.5rem;
}

.service-list li::before {
  content: "➔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-color);
}

#social {
  background: var(--dark-gray);
  padding: 80px 0;
  margin-bottom: -60px;
}

#social .social-contact {
  display: flex;
  justify-content: space-evenly;
  gap: 2rem;
  padding: 2rem 0;
}

#social .social-contact a {
  font-size: 2rem;
  color: var(--white);
  padding: 1rem;
  border-radius: 8px;
  background: transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

#social .social-contact a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.contact-wrapper {
  display: flex;
  gap: 4rem;
  padding: 0 5%;
  flex-wrap: wrap;
}

.contact-info,
.contact-form {
  flex: 1 1 300px;
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
}

.contact-form button {
  background: var(--primary-color);
  color: var(--white);
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}

.contact-form button:hover {
  background: var(--dark-gray);
}

/* Container dos 3 cartões */
.contact-cards {
  display: flex;
  gap: 2rem;
  padding: 0 5%;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.contact-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 2rem;
  flex: 1 1 280px;
  max-width: 320px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease,
    background-color 0.3s ease;
  cursor: pointer;
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
  background-color: rgba(0, 0, 0, 0.05);
}

.contact-info-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--dark-gray);
}

.contact-info-card p a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-info-card p a:hover {
  color: var(--dark-gray);
}

.contact-form-card form {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.contact-form-card label {
  margin: 0.5rem 0 0.25rem;
  font-weight: 600;
  text-align: left;
}

.contact-form-card input,
.contact-form-card textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
}

.contact-form-card button {
  margin-top: 0.5rem;
  background: var(--primary-color);
  color: var(--white);
  padding: 0.75rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.contact-form-card button:hover {
  background: var(--dark-gray);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .contact-cards {
    flex-direction: column;
    gap: 1.5rem;
  }
}

footer {
  background: #000;
  color: var(--white);
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  text-align: justify;
  padding: 4rem 5%;
  justify-content: space-around;
}

.footer-section h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-section ul li a:hover {
  color: var(--secondary-color);
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--white);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.footer-social a:hover {
  color: var(--secondary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--white);
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-social {
    flex-direction: row;
    justify-content: center;
  }
}

#backToTop {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  background: #252525;
  color: var(--white);
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease-in-out, background-color 0.3s ease-in-out,
    transform 0.3s ease-in-out;
  opacity: 0;
  z-index: 1000;
}

#backToTop.show {
  display: flex;
  opacity: 1;
}

#backToTop:hover {
  background-color: var(--dark-gray);
  transform: scale(1.1);
}

#backToTop .fa-solid {
  font-size: 1.2rem;
}

#backToTop.show {
  display: flex;
  opacity: 1;
}

#backToTop:hover {
  background: var(--dark-gray);
  transform: scale(1.1);
}

#loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, #000 0%, #555 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

#loading-screen img {
  width: 100px;
  animation: bounce 1s infinite ease-in-out;
}

#video {
  margin-top: -170px;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding-bottom: 30%;
  height: 0;
  overflow: hidden;
  border-radius: 10px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    background: var(--white);
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
  }

  .nav-links.active {
    display: flex;
  }

  header {
    padding: 10px 30px;
  }

  #about {
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
  }

  #about .about-wrapper,
  #about .about-image {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .about-title {
    font-size: 2rem;
  }

  .about-text,
  .about-lead {
    text-align: center;
  }

  .services-container,
  .contact-wrapper,
  .footer-container {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
}

/* Secção musical */
.musica-section {
  color: white;
  padding: 4rem 1rem;
  text-align: center;
}

.musica-container {
  max-width: 1200px;
  margin: 0 auto;
}

.musica-titulo {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.musica-desc {
  color: #ccc;
  font-size: 1rem;
  margin-bottom: 2.5rem;
}

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

.video-card {
  background: #222;
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s;
}

.video-card:hover {
  transform: scale(1.03);
}

.video-card iframe {
  width: 100%;
  height: 160px;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.video-card p {
  margin: 0;
  font-size: 0.95rem;
  color: #eee;
}

/* Métricas */
#metrics {
  padding: 4rem 5%;
}

.metrics-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}

.metric-item {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  width: 320px;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.metric-item::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  background: radial-gradient(
    circle at center,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  transform: translate(-50%, -50%) scale(0.5);
  transition: transform 0.5s ease, opacity 0.5s ease;
  opacity: 0;
}

.metric-item:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.metric-item:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.metric-icon {
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.metric-value {
  font-size: 2.5rem;
  color: var(--dark-gray);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 1.1rem;
  color: #555;
}

@media (max-width: 768px) {
  .metrics-container {
    gap: 1rem;
  }
  .metric-item {
    width: 100%;
    max-width: 300px;
    height: auto;
    padding: 2rem 1rem;
  }
  .metric-value {
    font-size: 2rem;
  }
  #social .social-contact {
    display: flex;
    gap: 2rem;
    padding: 2rem 0;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
  }
}

.projetos-section {
  color: #fff;
  padding: 4rem 1rem;
  text-align: center;
}

.projetos-container {
  max-width: 1200px;
  margin: 0 auto;
}

.projetos-titulo {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.projetos-desc {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 2.5rem;
}

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

.projeto-card {
  background: #222;
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

.projeto-card:hover {
  transform: translateY(-5px);
}

.projeto-card iframe {
  width: 100%;
  height: 160px;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.projeto-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.projeto-card p {
  font-size: 0.95rem;
  color: #ddd;
}

@media (max-width: 768px) {
  header .nav-links a {
    padding: 15px 0;
    width: 100%;
    text-align: center;
    color: var(--primary-color) !important;
    background: var(--white);
  }

  .about-image img {
    border-radius: 8px;
    margin-top: 1px;
  }
}

@media (max-width: 768px) {
  .nav-links.active {
    display: flex;
    margin-top: 55px;
  }
}