:root {
  --ink: #424753;
  --muted: #767676;
  --nav: #312f38;
  --nav-soft: #2c2a32;
  --line: #c9c9c9;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
}

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

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

.container {
  width: min(1120px, calc(100% - 38px));
  margin: 0 auto;
}

.site-nav {
  position: relative;
  z-index: 20;
  background: var(--nav);
  color: rgba(255, 255, 255, 0.55);
}

.nav-grid {
  display: grid;
  grid-template-columns: 19% 1fr;
  align-items: center;
  min-height: 126px;
}

.brand img,
.footer-logo img {
  width: 160px;
  max-height: 112px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 22px;
  font-size: 13px;
}

.main-nav a {
  transition: color 160ms ease;
}

.main-nav a:hover {
  color: #fff;
}

.home-mark img {
  width: 46px;
  opacity: 0.72;
}

.nav-item {
  position: relative;
  padding: 44px 0;
}

.dropdown {
  position: absolute;
  top: 92px;
  left: -18px;
  min-width: 188px;
  padding: 34px 14px 16px;
  border-radius: 0 0 20px 20px;
  background: linear-gradient(180deg, rgba(49, 47, 56, 0) 8%, rgba(49, 47, 56, 0.96) 66%);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-item:hover .dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 11px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.62);
}

.hero {
  position: relative;
  overflow: hidden;
  height: clamp(430px, 55vw, 650px);
  background: #1c1b20;
}

.slides,
.slide {
  position: absolute;
  inset: 0;
}

.slide {
  opacity: 0;
  transition: opacity 700ms ease;
}

.slide.active {
  opacity: 1;
}

.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(18, 18, 18, 0.5);
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.slide-copy {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: min(820px, calc(100% - 40px));
  color: #fff;
  text-align: center;
  transform: translate(-50%, -46%);
}

.slide-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 7vw, 5.7rem);
  line-height: 1;
  font-weight: 700;
  text-shadow: 4px 4px 5px rgba(0, 0, 0, 0.42);
}

.slide-copy p {
  margin: 0 auto 30px;
  max-width: 760px;
  font-size: clamp(1rem, 2vw, 1.55rem);
  line-height: 1.35;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.45);
}

.slide-copy a {
  display: inline-table;
  padding: 15px 20px;
  border: 2px solid rgba(255, 255, 255, 0.76);
  border-radius: 2px;
  color: #fff;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.dots {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 28px;
  display: flex;
  justify-content: center;
  gap: 9px;
}

.dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  background: transparent;
}

.dots button.active {
  background: #fff;
}

.intro {
  padding: 15px 0 40px;
  text-align: center;
}

.intro h2 {
  margin: 22px 0 12px;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  font-weight: 700;
}

.intro p {
  margin: 0;
  color: #555;
  font-size: 1.1rem;
}

.features {
  padding: 24px 0 46px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}

.feature {
  text-align: center;
}

.feature > img {
  width: 112px;
  height: 100px;
  margin: 0 auto 16px;
  object-fit: contain;
  filter: grayscale(80%);
  opacity: 0.8;
}

.feature h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 2rem;
  line-height: 1.05;
  font-weight: 700;
}

.feature p {
  min-height: 82px;
  margin: 0 0 20px;
  color: #4d4d4d;
  font-size: 0.98rem;
  line-height: 1.45;
}

.inline-logo {
  display: inline-block;
  width: 44px;
  height: 10px;
  vertical-align: baseline;
}

.feature a {
  display: inline-block;
  padding: 13px 18px;
  border: 1px solid rgba(51, 51, 51, 0.42);
  border-radius: 28px;
  color: rgba(0, 0, 0, 0.7);
  font-size: 13px;
  transition: padding 160ms ease;
}

.feature a:hover {
  background: rgba(0, 0, 0, 0.06);
  color: rgba(0, 0, 0, 0.9);
}

.partners {
  margin-top: 36px;
  text-align: center;
}

.partners-title {
  margin: 20px 0 16px;
  padding-top: 25px;
  padding-left: 6%;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: left;
}

.partners img {
  width: min(600px, 100%);
  margin: 0 auto;
}

.footer {
  padding: 34px 0 26px;
  background: var(--nav);
  color: rgba(255, 255, 255, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 21% 21% 21% 1fr;
  align-items: start;
  gap: 18px;
}

.footer-list h4 {
  min-height: 25px;
  margin: 0 0 9px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.23);
  color: #fff;
  font-size: 14px;
  font-weight: 400;
}

.footer-list h4 img {
  width: 52px;
  height: 12px;
  object-fit: contain;
}

.footer-list a {
  display: block;
  padding: 4px 0 4px 14px;
  background-image: linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.45) 45%, rgba(255, 255, 255, 0.45) 55%, transparent 55%);
  background-repeat: no-repeat;
  background-size: 8px 8px;
  background-position: 0 9px;
  color: rgba(255, 255, 255, 0.37);
  font-size: 13px;
}

.footer-list a:hover {
  color: #fff;
}

.contact {
  display: flex;
  justify-content: flex-end;
}

.contact img {
  width: min(330px, 100%);
}

.copyright {
  width: min(1120px, calc(100% - 38px));
  margin: 28px auto 0;
  color: rgba(255, 255, 255, 0.32);
  font-size: 12px;
}

.copyright a {
  color: rgba(255, 255, 255, 0.65);
  font-weight: 700;
  font-style: italic;
}

.menu-toggle {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 60;
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #b9b8b1;
}

.mobile-panel {
  position: fixed;
  z-index: 50;
  inset: 0 auto 0 0;
  width: 12rem;
  padding-top: 62px;
  background: var(--nav-soft);
  transform: translateX(-100%);
  transition: transform 180ms ease;
}

.mobile-panel.open {
  transform: translateX(0);
}

.mobile-panel a {
  display: block;
  padding: 12px 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.lang-switch {
  min-width: 34px;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  color: rgba(255, 255, 255, 0.78);
  text-align: center;
}

.inner-intro {
  padding: 42px 0 22px;
  text-align: center;
}

.inner-intro .container > img:first-child {
  width: min(160px, 45vw);
  max-height: 145px;
  margin: 0 auto 16px;
  object-fit: contain;
  filter: grayscale(12%);
}

.inner-intro h1 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: clamp(2.2rem, 5vw, 3.7rem);
  line-height: 1.05;
}

.inner-intro p {
  max-width: 900px;
  margin: 0 auto;
  color: #555;
  font-size: 1.05rem;
  line-height: 1.55;
}

.introseparador {
  width: min(620px, 100%);
  margin: 26px auto 0;
  opacity: 0.8;
}

.inner-content {
  padding: 10px 0 44px;
}

.section-card {
  max-width: 980px;
  margin: 0 auto;
  color: #555;
  font-size: 1rem;
  line-height: 1.6;
}

.section-card h3,
.section-card h4 {
  color: var(--ink);
  line-height: 1.15;
}

.section-card h3 {
  margin: 0 0 14px;
  text-align: center;
  font-size: 2rem;
}

.section-sub {
  margin: 0 0 26px;
  color: #6a6a6a;
  text-align: center;
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  max-width: 900px;
  margin: 8px auto 42px;
}

.service-card {
  text-align: center;
}

.service-card img {
  width: 112px;
  height: 112px;
  margin: 0 auto 12px;
  object-fit: contain;
  filter: grayscale(70%);
  opacity: 0.86;
}

.service-card h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 1.7rem;
  line-height: 1.1;
}

.service-card p {
  min-height: 30px;
  margin: 0 0 16px;
}

.service-card a,
.static-form button {
  display: inline-block;
  padding: 13px 18px;
  border: 1px solid rgba(51, 51, 51, 0.42);
  border-radius: 28px;
  background: transparent;
  color: rgba(0, 0, 0, 0.7);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.detail-list {
  display: grid;
  gap: 16px;
}

.detail-list article {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-list img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.detail-list h4 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.detail-list p,
.image-blocks p {
  margin: 0;
}

.image-blocks {
  display: grid;
  gap: 24px;
}

.image-blocks article > img {
  max-width: 500px;
  margin: 0 auto 12px;
}

.image-blocks ul,
.two-lists ul,
.section-card ul {
  margin: 0 0 18px;
  padding-left: 22px;
}

.section-video {
  display: block;
  width: min(420px, 100%);
  max-height: 315px;
  margin: 0 auto 26px;
}

.side-image {
  float: left;
  width: min(310px, 45%);
  margin: 6px 30px 18px 0;
}

.two-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.alliance-logos {
  margin-top: 24px;
  text-align: center;
}

.alliance-logos img {
  width: min(738px, 100%);
  margin: 0 auto;
}

.static-form {
  display: grid;
  gap: 12px;
  max-width: 620px;
  margin: 26px auto 0;
}

.static-form input,
.static-form select {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-radius: 2px;
  color: #555;
  font: inherit;
}

.static-form label {
  display: grid;
  gap: 8px;
}

.inner-partners {
  margin-top: 42px;
}

.form-msg {
  margin: 0;
  padding: 12px 16px;
  border-radius: 3px;
  font-size: 0.95rem;
  text-align: center;
}

.form-msg.ok {
  background: rgba(34, 120, 60, 0.09);
  color: #22783c;
  border: 1px solid rgba(34, 120, 60, 0.22);
}

.form-msg.err {
  background: rgba(180, 40, 40, 0.07);
  color: #b42828;
  border: 1px solid rgba(180, 40, 40, 0.18);
}

@media (max-width: 820px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    padding-top: 10px;
  }

  .nav-grid {
    display: flex;
    min-height: 112px;
    justify-content: center;
  }

  .main-nav {
    display: none;
  }

  .brand img {
    width: 138px;
  }

  .hero {
    height: 560px;
  }

  .slide-copy h1 {
    font-size: clamp(2.1rem, 11vw, 4rem);
  }

  .slide-copy p {
    font-size: 1rem;
  }

  .feature-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature p {
    min-height: 0;
  }

  .footer-logo img {
    margin: 0 auto;
  }

  .contact {
    justify-content: center;
  }

  .services-grid,
  .two-lists {
    grid-template-columns: 1fr;
  }

  .side-image {
    float: none;
    width: min(310px, 100%);
    margin: 0 auto 18px;
  }
}