:root {
  --accent: #e24b2f;
  --accent-dark: #b93625;
  --accent-soft: #fff0ec;
  --ink: #222326;
  --steel: #4f555d;
  --muted: #70757d;
  --line: #d9dde2;
  --soft-line: #e9ecef;
  --surface: #f4f5f6;
  --panel: #ffffff;
  --dark: #17181b;
  --dark-2: #2d3035;
  --shadow: 0 18px 48px rgba(20, 21, 24, 0.16);
  --radius: 8px;
  --container: min(1120px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 12px max(20px, calc((100vw - 1120px) / 2));
  color: #fff;
  transition: background 180ms ease, box-shadow 180ms ease, min-height 180ms ease;
}

.site-header.is-scrolled {
  min-height: 66px;
  background: rgba(24, 25, 28, 0.94);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 162px;
}

.brand img {
  display: block;
  width: 168px;
  max-height: 58px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.28));
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
}

.main-nav a {
  padding: 10px 0;
}

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

.header-action {
  justify-self: end;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
}

.header-action:hover {
  background: #fff;
  color: var(--dark);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 82vh;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: url("assets/hero-academia.jpg") center / cover no-repeat;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(16, 17, 20, 0.88), rgba(21, 22, 26, 0.58) 46%, rgba(21, 22, 26, 0.2)),
    linear-gradient(0deg, rgba(16, 17, 20, 0.45), rgba(16, 17, 20, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 82vh;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 104px 0 38px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.rotating-proof {
  position: relative;
  width: min(100%, 520px);
  height: 44px;
  margin: 0 0 18px;
  overflow: hidden;
  border: 1px solid rgba(226, 75, 47, 0.28);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.88rem;
  font-weight: 900;
  text-transform: uppercase;
}

.rotating-proof span {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 14px;
  opacity: 0;
  line-height: 1.15;
  transform: translateY(10px);
  animation: proofSwap 9s infinite;
}

.rotating-proof span:nth-child(2) {
  animation-delay: 3s;
}

.rotating-proof span:nth-child(3) {
  animation-delay: 6s;
}

.rotating-proof-hero,
.rotating-proof-dark {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

@keyframes proofSwap {
  0%,
  7% {
    opacity: 0;
    transform: translateY(10px);
  }

  12%,
  30% {
    opacity: 1;
    transform: translateY(0);
  }

  36%,
  100% {
    opacity: 0;
    transform: translateY(-10px);
  }
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: 4.4rem;
  line-height: 1;
  font-weight: 800;
}

.hero-copy {
  max-width: 590px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.18rem;
}

.hero-actions,
.catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.button-dark {
  background: var(--dark);
  color: #fff;
}

.button-outline {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.72);
}

.hero-metrics span {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.hero-metrics strong {
  color: #fff;
  font-size: 1.8rem;
}

.contact-strip {
  background: var(--dark);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.contact-grid > * {
  min-height: 62px;
  padding: 18px;
  background: var(--dark);
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.section {
  padding: 88px 0;
}

.section-light {
  background: #fff;
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading-row {
  display: flex;
  max-width: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.section-heading h2,
.visual-copy h2,
.project-copy h2,
.consulting-copy h2,
.quote-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 3.35rem;
  line-height: 1.02;
}

.section-heading p,
.visual-copy p,
.project-copy p,
.quote-copy p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.solution-card,
.line-card,
.product-card {
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  background: var(--panel);
}

.solution-card {
  min-height: 238px;
  padding: 24px;
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 800;
}

.solution-card h3 {
  margin: 38px 0 12px;
  font-size: 1.35rem;
}

.solution-card p,
.line-card p,
.product-card p,
.site-footer p {
  color: var(--muted);
}

.visual-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  min-height: 560px;
  background: var(--dark);
  overflow: hidden;
}

.visual-band img {
  min-width: 0;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.visual-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 64px max(28px, calc((100vw - 1120px) / 2)) 64px 56px;
}

.visual-copy h2,
.visual-copy p {
  color: #fff;
}

.visual-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.line-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 22px;
}

.line-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
}

.line-card h3 {
  max-width: 520px;
  margin: 0;
  font-size: 2.35rem;
  line-height: 1.05;
}

.line-card-dark {
  background: var(--dark);
  color: #fff;
}

.line-card-dark h3,
.line-card-dark p {
  color: #fff;
}

.line-card-dark p {
  color: rgba(255, 255, 255, 0.72);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #d5d7da;
}

.product-card div {
  min-height: 104px;
  padding: 18px;
}

.product-card h3 {
  margin: 0 0 6px;
  font-size: 1.06rem;
}

.product-card p {
  margin: 0;
}

.project-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 52px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--steel);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.1em;
  color: var(--accent);
  content: "✓";
  font-weight: 900;
}

.project-gallery {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 16px;
  align-items: stretch;
}

.project-gallery img {
  width: 100%;
  height: 520px;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.project-gallery img:first-child {
  margin-top: 42px;
  height: 440px;
}

.consulting-section {
  padding: 88px 0;
  background: var(--dark);
  color: #fff;
}

.consulting-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 44px;
  align-items: start;
}

.consulting-copy h2 {
  color: #fff;
}

.consulting-copy p {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.05rem;
}

.consulting-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.consulting-stats div,
.consulting-panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: var(--dark-2);
}

.consulting-stats div {
  min-height: 148px;
  padding: 22px;
}

.consulting-stats strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
}

.consulting-stats span {
  display: block;
  color: rgba(255, 255, 255, 0.68);
}

.consulting-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.consulting-panel {
  padding: 28px;
}

.consulting-panel-accent {
  background: linear-gradient(135deg, rgba(226, 75, 47, 0.22), rgba(45, 48, 53, 1) 58%);
}

.consulting-panel-wide {
  grid-column: 1 / -1;
}

.consulting-panel h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 1.42rem;
}

.consulting-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.consulting-panel p + p,
.consulting-panel p + .consulting-list,
.consulting-list + p {
  margin-top: 14px;
}

.consulting-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.consulting-list li {
  position: relative;
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.76);
}

.consulting-list li::before {
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--accent);
  content: "✓";
  font-weight: 900;
}

.consulting-final {
  background: #fff;
  color: var(--ink);
}

.consulting-final h3 {
  color: var(--ink);
}

.consulting-final p {
  color: var(--steel);
}

.consulting-final .consulting-list li {
  color: var(--steel);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.consulting-showcase {
  overflow: hidden;
  padding: 76px 0 88px;
}

.consulting-showcase-header {
  margin-bottom: 28px;
  text-align: center;
}

.consulting-showcase-header .eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

.consulting-showcase-header h2 {
  max-width: 760px;
  margin: 10px auto 0;
  color: #fff;
  font-size: 3rem;
  line-height: 1;
}

.consulting-showcase-header h2::after {
  display: block;
  width: 82px;
  height: 4px;
  margin: 18px auto 0;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

.consulting-carousel {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
}

.consulting-track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 8px max(24px, calc((100% - 560px) / 2)) 18px;
  scroll-padding-inline: max(24px, calc((100% - 560px) / 2));
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.consulting-track::-webkit-scrollbar {
  display: none;
}

.consulting-slide {
  flex: 0 0 min(84vw, 560px);
  margin: 0;
  scroll-snap-align: center;
}

.consulting-slide img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.consulting-carousel-control {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  cursor: pointer;
  transform: translateY(-50%);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.consulting-carousel-control span {
  display: block;
  margin-top: -2px;
  font-size: 2.4rem;
  line-height: 1;
}

.consulting-carousel-control:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-50%) scale(1.04);
}

.consulting-carousel-prev {
  left: 8px;
}

.consulting-carousel-next {
  right: 8px;
}

.consulting-carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.consulting-carousel-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, width 0.2s ease;
}

.consulting-carousel-dots button[aria-current="true"] {
  width: 26px;
  border-radius: 999px;
  background: var(--accent);
}

.quote-section {
  padding: 92px 0;
  background: #fff;
}

.quote-layout {
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 54px;
  align-items: start;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  background: var(--surface);
}

.quote-form label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-weight: 800;
}

.quote-form label:nth-child(4) {
  grid-column: 1 / -1;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(226, 75, 47, 0.16);
}

.quote-submit {
  grid-column: 1 / -1;
  width: 100%;
}

.site-footer {
  padding: 46px 0;
  background: #111214;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 30px;
}

.brand-footer {
  margin-bottom: 14px;
}

.brand-footer img {
  width: 198px;
  max-height: 80px;
}

.site-footer strong,
.site-footer a {
  display: block;
}

.site-footer strong {
  margin-bottom: 12px;
}

.site-footer a,
.site-footer p {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a + a {
  margin-top: 8px;
}

.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  padding: 14px;
  border-radius: 50%;
  background: #25d366;
  border: 3px solid #ffffff;
  box-shadow: 0 16px 30px rgba(20, 24, 28, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.floating-whatsapp img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.floating-whatsapp:hover {
  transform: translateY(-3px);
  background: #1ebe5d;
  box-shadow: 0 20px 38px rgba(20, 24, 28, 0.28);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-button {
    display: block;
  }

  .main-nav,
  .header-action {
    display: none;
  }

  .main-nav.is-open {
    position: fixed;
    inset: 76px 16px auto;
    display: grid;
    gap: 4px;
    border-radius: var(--radius);
    background: rgba(24, 25, 28, 0.98);
    padding: 16px;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open a {
    padding: 14px 12px;
  }

  .contact-grid,
  .solution-grid,
  .line-grid,
  .product-grid,
  .project-layout,
  .consulting-grid,
  .quote-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero h1 {
    font-size: 3.65rem;
  }

  .section-heading h2,
  .visual-copy h2,
  .project-copy h2,
  .consulting-copy h2,
  .quote-copy h2 {
    font-size: 2.75rem;
  }

  .line-card h3 {
    font-size: 2.1rem;
  }

  .visual-band {
    grid-template-columns: 1fr;
  }

  .visual-copy {
    width: var(--container);
    margin: 0 auto;
    padding: 54px 0;
  }

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

  .project-gallery img,
  .project-gallery img:first-child {
    height: 380px;
    margin: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100% - 28px, 1120px);
  }

  .site-header {
    min-height: 68px;
    padding: 10px 14px;
  }

  .brand {
    min-width: auto;
  }

  .brand img {
    width: 142px;
    max-height: 50px;
  }

  .rotating-proof {
    width: 100%;
    height: 56px;
    font-size: 0.78rem;
  }

  .hero,
  .hero-content {
    min-height: 80vh;
  }

  .hero-content {
    padding-top: 96px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(16, 17, 20, 0.92), rgba(16, 17, 20, 0.58));
  }

  .hero h1 {
    font-size: 2.45rem;
    line-height: 1.02;
  }

  .section-heading h2,
  .visual-copy h2,
  .project-copy h2,
  .consulting-copy h2,
  .quote-copy h2 {
    font-size: 2.15rem;
  }

  .line-card h3 {
    font-size: 1.8rem;
  }

  .hero-actions,
  .catalog-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .hero-metrics {
    gap: 8px 18px;
  }

  .section,
  .quote-section {
    padding: 64px 0;
  }

  .visual-copy {
    padding: 44px 0;
  }

  .product-grid,
  .consulting-stats,
  .consulting-content,
  .consulting-list-columns,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .quote-form label:nth-child(4),
  .quote-submit {
    grid-column: auto;
  }

  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-gallery img,
  .project-gallery img:first-child {
    height: 300px;
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
  }

  .consulting-showcase {
    padding: 54px 0 64px;
  }

  .consulting-showcase-header {
    margin-bottom: 20px;
    text-align: left;
  }

  .consulting-showcase-header h2 {
    margin-inline: 0;
    font-size: 2.2rem;
  }

  .consulting-showcase-header h2::after {
    margin-left: 0;
  }

  .consulting-track {
    gap: 14px;
    padding-inline: 16px;
    scroll-padding-inline: 16px;
  }

  .consulting-slide {
    flex-basis: calc(100vw - 48px);
  }

  .consulting-carousel-control {
    top: auto;
    bottom: -2px;
    width: 42px;
    height: 42px;
    transform: none;
  }

  .consulting-carousel-control:hover {
    transform: none;
  }

  .consulting-carousel-prev {
    left: 16px;
  }

  .consulting-carousel-next {
    right: 16px;
  }

  .consulting-carousel-dots {
    max-width: 210px;
    margin-inline: auto;
    padding-inline: 52px;
  }
}