:root {
  --purple: #4c157c;
  --purple-dark: #10041f;
  --purple-deep: #210044;
  --orange: #f28c28;
  --green: #32C848;
  --pink: #FF426B;
  --blue: #0F5DEE;
  --red: #CA0909;
  --white: #ffffff;
  --black: #111111;
  --gray: #666666;
  --light-gray: #f7f7f7;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--black);
  background: var(--white);
}

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

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

.container {
  width: min(100% - 32px, 560px);
  margin: 0 auto;
}

/* GERAL */

.section-label {
  display: block;
  color: var(--purple);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 34px;
}

.section-header h2 {
  font-size: 1.35rem;
  line-height: 1.15;
}

.section-header span {
  margin-bottom: 8px;
}

.section-header--light {
  color: var(--white);
}

.section-header--light .section-label {
  color: rgba(255, 255, 255, 0.45);
}

.section-header--light h2 span {
  color: var(--orange);
}

.section-line {
  width: 140px;
  height: 4px;
  background: var(--purple);
  margin: 24px auto 0;
  border-radius: 99px;
}

.section-line--light {
  background: var(--white);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  transition: 0.25s ease;
  cursor: pointer;
}

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

.btn--whatsapp {
  background: var(--green);
  color: var(--white);
}

.btn--outline {
  border: 2px solid var(--purple);
  color: var(--white);
  background: rgba(76, 21, 124, 0.15);
}

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

.btn--outline-purple:hover {
  background: var(--purple);
  color: var(--white);
}

.btn--outline-white {
  border: 1px solid rgba(255, 255, 255, 0.8);
  color: var(--white);
}

.btn--outline-white:hover {
  background: var(--white);
  color: var(--purple);
}

.btn--small {
  min-height: 44px;
  padding: 0 22px;
  font-size: 0.8rem;
}

/* HEADER */

.header {
  height: 64px;
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.08);
}

.header__content {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.logo img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.logo span {
  font-size: 0.75rem;
}

.menu-button {
  display: block;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  cursor: pointer;
}

.nav {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-140%);
  opacity: 0;
  pointer-events: none;
  transition: 0.25s ease;
}

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

.nav a {
  transition: 0.2s ease;
}

.nav a:hover {
  color: var(--purple);
}

.nav__button {
  width: 100%;
  background: var(--orange);
  color: var(--white) !important;
  padding: 13px 22px;
  border-radius: 8px;
  font-weight: 800;
  text-align: center;
}

.nav__button:hover {
  background: #d97412;
}

/* HERO */

.hero {
  position: relative;
  min-height: 640px;
  padding: 48px 0 60px;
  background:
    linear-gradient(
      180deg,
      rgba(10, 5, 24, 0.96) 0%,
      rgba(10, 5, 24, 0.82) 55%,
      rgba(10, 5, 24, 0.65) 100%
    ),
    url("assets/Violao.jpg") center / cover no-repeat;
  color: var(--white);
  overflow: hidden;
  display: flex;
  align-items: flex-start;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__text {
  max-width: 650px;
}

.hero h1 {
  font-size: 2.1rem;
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 22px;
}

.hero h1 span {
  color: var(--orange);
}

.hero p {
  max-width: 560px;
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 700;
  margin-bottom: 26px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  margin-bottom: 32px;
}

.hero__actions .btn {
  width: 100%;
}

.hero__features {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero__features div {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  row-gap: 2px;
  align-items: center;
}

.hero__features i {
  grid-row: span 2;
  color: var(--purple);
  font-size: 1.9rem;
}

.hero__features strong {
  font-size: 0.9rem;
  text-transform: uppercase;
}

.hero__features span {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 700;
}

/* ABOUT */

.about {
  padding: 70px 0 50px;
}

.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: center;
}

.about__text {
  text-align: left;
}

.about__text h2 {
  font-size: 2rem;
  line-height: 1.08;
  margin-bottom: 22px;
}

.about__text h2 span {
  color: var(--purple);
}

.about__text p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray);
  margin-bottom: 26px;
  max-width: 380px;
}

.about__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 260px;
  margin: 0 auto;
}

.about-card {
  background: var(--white);
  min-height: 210px;
  border-radius: 8px;
  padding: 36px 24px;
  text-align: center;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
  transition: 0.25s ease;
}

.about-card:hover {
  transform: translateY(-6px);
}

.about-card__icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  border-radius: 50%;
  color: var(--white);
  font-size: 2rem;
}

.about-card__icon--purple {
  background: var(--purple);
}

.about-card__icon--orange {
  background: var(--orange);
}

.about-card__icon--green {
  background: var(--green);
}

.about-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.about-card p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--gray);
}

/* COURSES */

.courses {
  padding: 50px 0;
}

.courses__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.course-card {
  min-height: 145px;
  background: var(--white);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 18px;
  align-items: center;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.22);
  transition: 0.25s ease;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.18);
}

.course-card img {
  width: 78px;
  height: 78px;
  object-fit: contain;
}

.course-card h3 {
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.course-card p {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.course-card a {
  color: var(--purple);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

/* TEACHERS */

.teachers {
  padding: 54px 0;
  background: linear-gradient(135deg, #3f0077 0%, #09031a 100%);
  color: var(--white);
}

.teachers__grid {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 180px;
  margin: 0 auto;
  gap: 28px;
}

.teacher-card {
  position: relative;
  height: 230px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  overflow: hidden;
  background: var(--purple-dark);
}

.teacher-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.teacher-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent 60%);
}

.teacher-card__content {
  position: absolute;
  z-index: 2;
  left: 14px;
  right: 14px;
  bottom: 14px;
  text-align: center;
}

.teacher-card__content h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.teacher-card__content p {
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.teacher-card__content a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  width: 100%;
  border: 1px solid var(--orange);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  border-radius: 4px;
  transition: 0.2s ease;
}

.teacher-card__content a:hover {
  background: var(--orange);
}

/* CONTACT CTA */

.contact-cta {
  padding: 54px 0;
  background: linear-gradient(120deg, #3f0077 0%, #4c157c 55%, #ff0099 100%);
  color: var(--white);
}

.contact-cta__content {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 48px;
  text-align: center;
}

.contact-cta h2 {
  font-size: 1.6rem;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.contact-cta h2 span {
  color: var(--orange);
}

.contact-cta p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.contact-cta__buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  max-width: 260px;
  margin: 0 auto;
}

.social-button {
  min-height: 48px;
  border-radius: 8px;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 25px;
  gap: 14px;
  font-size: 1.2rem;
  font-weight: 900;
  transition: 0.25s ease;
}

.social-button:hover {
  transform: translateY(-3px);
  filter: brightness(1.08);
}

.social-button--whatsapp {
  background: var(--green);
}

.social-button--instagram {
  background: var(--pink);
}

.social-button--facebook {
  background: var(--blue);
}

.social-button--email {
  background: var(--red);
}

/* ADDRESS */

.address {
  padding: 58px 0;
  background: var(--white);
}

.address__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: center;
}

.address__text {
  text-align: center;
}

.address h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1.15;
  margin-bottom: 24px;
}

.address p {
  font-size: 1.1rem;
  line-height: 1.8;
  font-weight: 700;
  margin-bottom: 28px;
}

.address__map {
  height: 260px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
}

.address__map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* FOOTER */

.footer {
  background: #070817;
  color: var(--white);
  padding-top: 48px;
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-bottom: 44px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

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

.footer__brand p {
  max-width: 260px;
  margin: 18px 0 26px;
  line-height: 1.5;
  font-weight: 700;
}

.footer__social {
  display: flex;
  justify-content: center;
  gap: 22px;
}

.footer__social a {
  color: var(--white);
  font-size: 1.2rem;
  transition: 0.2s ease;
}

.footer__social a:hover {
  color: var(--orange);
}

.footer__column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__column h3 {
  color: var(--purple);
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer__column a,
.footer__column p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.footer__column a:hover {
  color: var(--orange);
}

.footer__bottom {
  text-align: center;
  padding: 22px;
  font-size: 0.9rem;
}

.logo--footer {
  align-items: center;
}

.logo--footer span {
  color: var(--white);
}

/* ÍCONES */

.whatsapp {
  height: 50px;
  width: 50px;
  background: url("assets/social/whatsapp.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.facebook {
  height: 50px;
  width: 50px;
  background: url("assets/social/facebook.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.instagram {
  height: 50px;
  width: 50px;
  background: url("assets/social/instagram.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.email {
  height: 50px;
  width: 50px;
  background: url("assets/social/email.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.chapeu-graduacao {
  height: 38px;
  width: 42px;
  background: url("assets/chapeu-graduacao.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.usuario {
  height: 38px;
  width: 42px;
  background: url("assets/usuario.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.nota-musica {
  height: 40px;
  width: 42px;
  background: url("assets/nota-musica.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.grupo-usuarios {
  height: 40px;
  width: 42px;
  background: url("assets/grupo-usuarios.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.relogio {
  height: 40px;
  width: 42px;
  background: url("assets/relogio.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.chapeu-graduacao-roxo {
  height: 40px;
  width: 42px;
  background: url("assets/chapeu-graduacao-roxo.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.seta {
  height: 20px;
  width: 20px;
  background: url("assets/seta.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

/* TABLET */

@media (min-width: 768px) {
  .container {
    width: min(1180px, calc(100% - 48px));
  }

  .section-header {
    margin-bottom: 48px;
  }

  .section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
  }

  .btn {
    min-height: 52px;
    font-size: initial;
  }

  .header {
    height: 72px;
  }

  .logo img {
    width: 42px;
    height: 42px;
  }

  .logo span {
    font-size: 0.95rem;
  }

  .menu-button {
    display: none;
  }

  .nav {
    position: static;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    box-shadow: none;
    transform: none;
    opacity: 1;
    pointer-events: all;
  }

  .nav__button {
    width: auto;
  }

  .hero {
    min-height: 750px;
    padding: 0;
    align-items: center;
    background:
      linear-gradient(
        90deg,
        rgba(10, 5, 24, 0.96) 0%,
        rgba(10, 5, 24, 0.78) 42%,
        rgba(10, 5, 24, 0.25) 100%
      ),
      url("assets/Violao.jpg") center / cover no-repeat;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    margin-bottom: 24px;
  }

  .hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
  }

  .hero__actions {
    flex-direction: row;
    align-items: center;
    gap: 28px;
    margin-bottom: 42px;
  }

  .hero__actions .btn {
    width: auto;
  }

  .hero__features {
    flex-direction: row;
    gap: 42px;
    flex-wrap: wrap;
  }

  .about {
    padding: 110px 0 80px;
  }

  .about__content {
    gap: 80px;
  }

  .about__text h2 {
    font-size: clamp(2rem, 3.6vw, 3.2rem);
  }

  .about__cards {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
  }

  .about-card {
    min-height: 230px;
  }

  .courses {
    padding: 70px 0 80px;
  }

  .courses__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 64px 48px;
  }

  .course-card {
    grid-template-columns: 100px 1fr;
    min-height: 145px;
    padding: 18px;
    gap: 18px;
  }

  .course-card img {
    width: 95px;
    height: 95px;
  }

  .teachers {
    padding: 70px 0 80px;
  }

  .teachers__grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
    gap: 34px;
  }

  .teacher-card {
    height: 245px;
  }

  .contact-cta {
    padding: 70px 0;
  }

  .contact-cta__content {
    grid-template-columns: 1fr;
  }

  .contact-cta h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
  }

  .contact-cta p {
    font-size: 1.25rem;
  }

  .contact-cta__buttons {
    grid-template-columns: repeat(2, minmax(190px, 1fr));
    gap: 28px 48px;
    max-width: none;
  }

  .social-button {
    min-height: 58px;
    font-size: 1.45rem;
  }

  .address {
    padding: 80px 0;
  }

  .address__map {
    height: 320px;
  }

  .footer {
    padding-top: 64px;
  }

  .footer__content {
    grid-template-columns: repeat(2, 1fr);
    gap: 56px;
  }
}

/* DESKTOP */

@media (min-width: 1024px) {
  .about__content {
    grid-template-columns: 0.8fr 1.4fr;
  }

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

  .course-card {
    grid-template-columns: 120px 1fr;
    min-height: 190px;
    padding: 26px 24px;
    gap: 24px;
  }

  .course-card img {
    width: 115px;
    height: 115px;
  }

  .course-card h3 {
    font-size: 1.45rem;
    margin-bottom: 24px;
  }

  .course-card p {
    font-size: 0.95rem;
    margin-bottom: 26px;
  }

  .course-card a {
    font-size: 0.82rem;
  }

  .teachers__grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .contact-cta__content {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .address__content {
    grid-template-columns: 0.7fr 1.4fr;
    gap: 60px;
  }

  .address__text {
    text-align: left;
  }

  .footer__content {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    text-align: left;
  }

  .footer__brand {
    align-items: flex-start;
  }

  .footer__social {
    justify-content: flex-start;
  }
}