:root {
  --blue-dark: #0a1f44;
  --blue-mid: #123a7a;
  --blue-vibrant: #1f5eff;
  --yellow: #ffc300;
  --yellow-hover: #ffb000;
  --white: #ffffff;
  --gray-light: #f4f6f9;
  --gray-dark: #1a1a1a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--gray-dark);
  background: linear-gradient(
    180deg,
    var(--blue-dark) 0%,
    var(--blue-mid) 35%,
    var(--gray-light) 35%
  );
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 16px;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.section {
  padding: 4rem 0;
  background: var(--white);
}

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

#beneficios {
  position: relative;
  overflow: hidden;
  padding: 0.1rem 0;
}

#beneficios::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("assets/images/soldador5.png") center center / cover no-repeat;
  opacity: 0.2;
  pointer-events: none;
  transform: scaleX(-1);
}

#beneficios > .container {
  position: relative;
  z-index: 1;
}

.section__title {
  margin: 0 0 1.8rem;
  color: var(--blue-dark);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.section__title--courses {
  text-align: center;
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: clamp(1.9rem, 4.8vw, 3.8rem);
  line-height: 1.1;
}

.section__title--courses span {
  display: inline-block;
  margin-left: 0.3rem;
  padding: 0.12em 0.36em;
  border-radius: 14px;
  background: var(--blue-mid);
  color: var(--white);
}

.section__title--boxed {
  text-align: center;
  color: var(--yellow);
  text-transform: uppercase;
}

.section__title--boxed span {
  display: inline-block;
  padding: 0.16em 0.5em;
  border-radius: 12px;
  background: var(--blue-mid);
  color: var(--white);
}

@media (max-width: 639px) {
  .section__title--courses span {
    margin-left: 0;
    margin-top: 0.35rem;
  }
}

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(10, 31, 68, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header__content {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.4px;
}

.logo img {
  display: block;
  height: 90px;
  width: auto;
}

.nav {
  display: none;
  gap: 1.2rem;
}

.nav a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.9;
  transition: opacity 0.25s ease;
}

.nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 4rem;
  color: var(--white);
  background-image: url("assets/images/soldador2.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(18, 58, 122, 0.7);
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__grid {
  display: grid;
  gap: 2rem;
}

.hero__content {
  max-width: 760px;
  margin: 0;
  text-align: left;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.88rem;
}

.hero__title {
  margin: 0.8rem 0;
  font-size: clamp(2rem, 6vw, 2rem);
  line-height: 1.15;
}

.hero__list {
  margin: 0 0 1.6rem;
  max-width: none;
  padding-left: 0;
  list-style: none;
}

.hero__list li {
  margin-bottom: 0.55rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-align: left;
}

.hero__list li svg {
  width: 1rem;
  height: 1rem;
  color: var(--yellow);
  flex-shrink: 0;
  margin-top: 0;
}

.hero__media {
  align-self: center;
}

.hero__content .btn--hero {
  margin-inline: 0;
}

.card {
  background: var(--blue-dark);
  color: var(--gray-light);
  border-radius: 16px;
  padding: 1.3rem;
  box-shadow: 0 12px 32px rgba(10, 31, 68, 0.08);
  font-size: 1.2rem;
}

.steps-grid,
.courses-grid,
.benefits-grid,
.testimonials-grid {
  display: grid;
  gap: 1rem;
}

.benefits-layout {
  display: grid;
  gap: 1.4rem;
  align-items: center;
  margin-top: 0.6rem;
}

.benefits-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  text-align: left;
}

.benefits-list li svg {
  width: 1rem;
  height: 1rem;
  color: var(--yellow);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.benefits-list__text strong {
  display: block;
  color: var(--blue-dark);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.3;
}

.benefits-list__text p {
  margin: 0.2rem 0 0;
  color: var(--blue-dark);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.45;
}

.benefits-media img {
  width: 100%;
  max-width: 460px;
  margin-left: auto;
  border-radius: 16px;
  box-shadow: none;
  margin-top: 1.2rem;
}

.course {
  border-top: 5px solid var(--yellow);
  text-align: center;
  transition: transform 0.3s ease;
}

.course .btn {
  margin-inline: auto;
}

.course:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 36px rgba(10, 31, 68, 0.15);
}

.about-grid {
  display: grid;
  gap: 1.4rem;
  align-items: center;
}

.about__content p {
  margin-top: 0;
}

.technical-lead {
  text-align: left;
}

.technical-lead__question {
  margin: 0 0 0.45rem;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--blue-mid);
  font-weight: 700;
}

.technical-lead__name {
  margin: 0 0 0.9rem;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.03;
}

.technical-lead p strong {
  color: var(--blue-mid);
}

.technical-lead__list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.technical-lead__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--blue-dark);
  font-weight: 600;
}

.technical-lead__list li::before {
  content: "";
  width: 0.52rem;
  height: 0.52rem;
  margin-top: 0.5rem;
  border-radius: 999px;
  background: var(--yellow);
  flex-shrink: 0;
}

#sobre .about__media img {
  border-radius: 0;
}

#sobre .about__media {
  position: relative;
  padding-left: 1.2rem;
}

#sobre .about__media::before {
  content: "DNSOLDAS";
  position: absolute;
  left: 0.05rem;
  top: 50%;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--blue-mid);
  opacity: 0.2;
  pointer-events: none;
}

.video-carousel {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: center;
}

.partners-carousel {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.9rem;
  align-items: center;
}

.video-viewport {
  overflow: hidden;
}

.partners-viewport {
  overflow: hidden;
}

.video-track {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform 0.35s ease;
}

.partners-track {
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: transform 0.35s ease;
}

.video-card {
  flex: 0 0 calc((100% - 2rem) / 3);
  padding: 0.7rem;
  height: auto;
  align-self: flex-start;
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
  transform-origin: center center;
}

.video-card video {
  width: 100%;
  display: block;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 12px;
  background: #000;
}

.video-card.is-playing {
  transform: none;
  box-shadow: 0 12px 32px rgba(10, 31, 68, 0.08);
  z-index: auto;
}

.partner-card {
  flex: 0 0 calc((100% - 2rem) / 3);
  padding: 1rem;
  background: var(--white);
  border: 1px solid rgba(10, 31, 68, 0.1);
  min-height: 140px;
  display: grid;
  place-items: center;
}

.partner-card img {
  width: 100%;
  max-width: 220px;
  max-height: 76px;
  object-fit: contain;
  border-radius: 0;
}

.swipe-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
  margin: -0.3rem 0 0.9rem;
  color: var(--blue-dark);
  font-weight: 700;
  text-align: center;
}

.swipe-hint svg {
  width: 1rem;
  height: 1rem;
  animation: swipeArrowRightToLeft 1s ease-in-out infinite;
}

.carousel-arrow {
  width: 25px;
  height: 25px;
  border-radius: 100%;
  border: 0;
  background: var(--gray-dark);
  color: var(--white);
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

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

.carousel-arrow:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.faq {
  display: grid;
  gap: 0.7rem;
}

.faq-item {
  border-radius: 12px;
  border: 1px solid rgba(10, 31, 68, 0.12);
  overflow: hidden;
  background: var(--white);
}

.faq-question {
  width: 100%;
  border: 0;
  background: var(--white);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-weight: 600;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--blue-dark);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.faq-answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-height 0.35s ease,
    opacity 0.3s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 1rem 1rem;
}

.faq-item.active .faq-answer {
  max-height: 180px;
  opacity: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.cta-final {
  position: relative;
  overflow: hidden;
  background: url("assets/images/solda1.png") center center / cover no-repeat;
  color: var(--white);
  padding: 4.5rem 0;
}

.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 31, 68, 0.72);
}

.cta-final__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.footer {
  background: #091532;
  color: var(--white);
  padding: 1.2rem 0;
}

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

.footer__bottom {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
}

.footer__col {
  display: grid;
  gap: 0.35rem;
  justify-content: start;
}

.footer__copy {
  text-align: center;
  justify-items: center;
}

.footer__col p {
  margin: 0;
}

.footer a {
  color: var(--yellow);
  text-decoration: none;
}

.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: #00c423;
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  z-index: 1100;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.3);
}

.whatsapp-float:focus-visible {
  outline: 3px solid #00c423;
  outline-offset: 2px;
}

.whatsapp-float img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 10px;
  padding: 0.85rem 1.15rem;
  font-weight: 700;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  width: 100%;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.header .btn {
  width: auto;
}

.btn--small {
  padding: 0.66rem 0.9rem;
  font-size: 0.9rem;
}

.btn--primary {
  background: var(--yellow);
  color: var(--blue-dark);
  box-shadow: 0 8px 20px rgba(255, 195, 0, 0.28);
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  background: radial-gradient(
    circle,
    rgba(255, 195, 0, 0.35),
    rgba(255, 195, 0, 0)
  );
  opacity: 0.35;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.btn--primary:hover {
  background: var(--yellow-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(255, 195, 0, 0.38);
}

.btn--primary:hover::before {
  opacity: 0.65;
}

.btn--primary::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 12px;
  border: 2px solid rgba(255, 195, 0, 0.42);
  animation: pulseRing 1.9s infinite;
  pointer-events: none;
}

.btn--secondary {
  background: var(--yellow);
  color: var(--gray-dark);
  margin-top: 0.7rem;
}

.pulse-btn {
  animation: subtleScale 2s infinite;
}

.btn--hero.reveal {
  transform: translateY(30px) scale(0.92);
}

.btn--hero.show {
  transform: translateY(0) scale(1);
}

.btn--cta-large {
  font-size: 1.06rem;
  padding: 1rem 1.5rem;
  animation: subtleScale 2.3s infinite;
}

.reveal,
.reveal-left,
.reveal-right,
.reveal-zoom {
  opacity: 0;
  transition:
    transform 0.7s ease,
    opacity 0.7s ease;
}

.reveal {
  transform: translateY(30px);
}

.reveal-left {
  transform: translateX(-36px);
}

.reveal-right {
  transform: translateX(36px);
}

.reveal-zoom {
  transform: scale(0.95);
}

.show {
  opacity: 1;
  transform: translateX(0) translateY(0) scale(1);
}

.hero__title.reveal {
  transition-delay: 0.1s;
}

.hero__list .reveal:nth-child(1) {
  transition-delay: 0.18s;
}

.hero__list .reveal:nth-child(2) {
  transition-delay: 0.28s;
}

.hero__list .reveal:nth-child(3) {
  transition-delay: 0.38s;
}

.btn--hero.reveal {
  transition-delay: 0.44s;
}

@keyframes pulseRing {
  0% {
    opacity: 0.5;
    transform: scale(1);
  }
  70% {
    opacity: 0;
    transform: scale(1.08);
  }
  100% {
    opacity: 0;
    transform: scale(1.08);
  }
}

@keyframes subtleScale {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

@keyframes swipeArrowRightToLeft {
  0% {
    transform: translateX(8px);
    opacity: 1;
  }
  70% {
    transform: translateX(-8px);
    opacity: 0.65;
  }
  100% {
    transform: translateX(8px);
    opacity: 1;
  }
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .btn,
  .btn--cta-large,
  .btn--hero,
  .course .btn,
  .header .btn {
    width: auto;
  }

  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .courses-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #cursos .courses-grid > .course:nth-child(5) {
    grid-column: 1 / -1;
    justify-self: center;
    width: min(100%, 520px);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .benefits-grid .benefit:nth-child(5) {
    grid-column: 1 / -1;
    justify-self: center;
    width: min(100%, 520px);
  }

  .benefits-layout {
    grid-template-columns: 1.1fr 0.9fr;
  }

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

  .testimonials-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer__content {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
    align-items: start;
  }

  .footer__content > .footer__col:first-child {
    justify-self: start;
    text-align: left;
  }

  .footer__content > .footer__col:last-child {
    justify-self: end;
    text-align: right;
  }
}

@media (max-width: 1023px) {
  .video-card {
    flex-basis: calc((100% - 1rem) / 2);
  }

  .partner-card {
    flex-basis: calc((100% - 1rem) / 2);
  }
}


@media (max-width: 639px) {
  .section .container,
  .card,
  .about__content,
  .cta-final__content {
    text-align: center;
  }

  .benefits-layout {
    grid-template-columns: 1fr;
  }

  .benefits-list {
    max-width: 520px;
    margin-inline: auto;
  }

  .benefits-list li {
    justify-content: flex-start;
    text-align: left;
  }

  .benefits-media img {
    margin-inline: auto;
  }

  .technical-lead {
    text-align: left;
  }

  .hero__content {
    margin: 0 auto;
    text-align: center;
  }

  .hero__content .btn--hero {
    margin-inline: auto;
  }

  .hero__list {
    margin: 0 auto 1.6rem;
    max-width: 620px;
  }

  #sobre .about__media {
    padding-left: 1rem;
  }

  #sobre .about__media::before {
    display: block;
    left: 0;
    font-size: clamp(1.6rem, 8vw, 2.3rem);
    letter-spacing: 0.01em;
    opacity: 0.16;
  }

  .hero__media {
    justify-self: center;
  }

  .hero__media video {
    margin-inline: auto;
  }

  .faq-question {
    justify-content: center;
    text-align: center;
    gap: 0.45rem;
  }

  .faq-answer p {
    text-align: center;
  }

  .video-carousel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .partners-carousel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .swipe-hint {
    display: inline-flex;
  }

  .video-viewport {
    grid-column: 1 / -1;
    width: 100%;
  }

  .partners-viewport {
    grid-column: 1 / -1;
    width: 100%;
  }

  .video-track {
    gap: 0.7rem;
  }

  .video-card {
    flex-basis: 100%;
    padding: 0.5rem;
  }

  .partner-card {
    flex-basis: 100%;
    min-height: 120px;
  }

  .video-card video {
    margin-inline: auto;
    border-radius: 10px;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .carousel-arrow {
    display: none;
  }

  .footer__content {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer__col {
    justify-content: center;
    justify-items: center;
    text-align: center;
  }

  .footer__bottom {
    justify-content: center;
  }

  .whatsapp-float {
    right: 0.75rem;
    bottom: 0.75rem;
    width: 54px;
    height: 54px;
  }
}