:root {
  --ink: #10151a;
  --panel: #151c22;
  --muted: #62717d;
  --line: #d9e1e7;
  --paper: #ffffff;
  --ice: #eef7fb;
  --cyan: #39bde2;
  --lava: #d84c2f;
  --steel: #2c3943;
  --shadow: 0 26px 70px rgba(16, 21, 26, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem clamp(1rem, 4vw, 4.5rem);
  border-bottom: 1px solid rgba(217, 225, 231, 0.74);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: auto;
  max-width: min(10rem, 42vw);
  max-height: 56px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.8rem, 2vw, 1.7rem);
  color: var(--steel);
  font-size: 0.94rem;
  font-weight: 800;
}

.site-nav a {
  text-decoration: none;
}

.nav-quote {
  min-height: 2.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: 0.45rem;
  background: var(--ink);
  color: #fff;
}

.hero,
.page-hero,
.section-shell,
.split-band,
.contact-page,
.contact-band {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  min-height: calc(100vh - 5rem);
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--lava);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 1.35rem;
  font-size: clamp(2.8rem, 6vw, 5.6rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3vw, 3.1rem);
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.14rem;
}

.lead,
.page-hero p,
.section-heading p,
.split-band p,
.contact-copy p {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.15rem;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.button:disabled {
  cursor: wait;
}

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

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

.text-link {
  color: var(--lava);
  font-weight: 900;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25rem;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border-radius: 0.85rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(57, 189, 226, 0.28), transparent 24%),
    linear-gradient(145deg, #10151a, #23313a);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.system-panel {
  position: relative;
  z-index: 1;
  min-height: 24rem;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.7rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 26px);
  color: #fff;
}

.system-panel span {
  display: inline-grid;
  width: 5rem;
  height: 5rem;
  place-items: center;
  margin-bottom: 2rem;
  border: 1px solid rgba(57, 189, 226, 0.7);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 2rem;
  font-weight: 900;
}

.system-panel strong {
  display: block;
  margin-bottom: 0.8rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.system-panel p {
  max-width: 22rem;
  color: rgba(255, 255, 255, 0.72);
}

.metric-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.metric-row div {
  padding: 1.2rem;
  border-radius: 0.65rem;
  background: #fff;
}

.metric-row strong,
.metric-row span {
  display: block;
}

.metric-row strong {
  color: var(--lava);
  font-size: 2rem;
  line-height: 1;
}

.metric-row span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.section-shell,
.page-hero {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-shell.tight {
  padding-top: 0;
}

.page-hero {
  max-width: 920px;
  margin-left: clamp(1rem, 6vw, 5rem);
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.7rem);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

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

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

.feature-card {
  min-height: 16rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.06);
}

.card-index {
  display: inline-flex;
  margin-bottom: 2.3rem;
  color: var(--lava);
  font-size: 0.8rem;
  font-weight: 900;
}

.feature-card p {
  color: var(--muted);
}

.model-grid,
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.model-card,
.benefit-grid article {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.06);
}

.model-card.emphasis {
  background: var(--ink);
  color: #fff;
}

.model-card span {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--lava);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.model-card.emphasis span {
  color: var(--cyan);
}

.model-card p,
.benefit-grid p {
  color: var(--muted);
}

.model-card.emphasis p {
  color: rgba(255, 255, 255, 0.72);
}

.model-card dl {
  display: grid;
  gap: 0.55rem;
  margin: 1.4rem 0 0;
}

.model-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(98, 113, 125, 0.22);
}

.model-card dt {
  color: var(--muted);
  font-weight: 900;
}

.model-card.emphasis dt {
  color: rgba(255, 255, 255, 0.62);
}

.model-card dd {
  margin: 0;
  text-align: right;
  font-weight: 900;
}

.application-list {
  display: grid;
  gap: 0.7rem;
}

.application-list span {
  display: flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.7rem 0.9rem;
  border-left: 4px solid var(--lava);
  border-radius: 0.45rem;
  background: #fff;
  color: var(--steel);
  font-weight: 900;
}

.tramos-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tramos-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: 1rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.06);
}

.tramos-card.emphasis {
  background: var(--ink);
  color: #fff;
}

.tramos-card > span {
  color: var(--lava);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.tramos-card.emphasis > span {
  color: var(--cyan);
}

.tramos-card p,
.tramos-card li {
  color: var(--muted);
}

.tramos-card.emphasis p,
.tramos-card.emphasis li {
  color: rgba(255, 255, 255, 0.72);
}

.tramos-card ul {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.1rem;
}

.tramos-meta {
  padding-top: 0.85rem;
  border-top: 1px solid rgba(98, 113, 125, 0.2);
}

.tramos-meta strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.84rem;
  text-transform: uppercase;
}

.tramos-meta p {
  margin: 0;
}

.split-band,
.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  margin-bottom: clamp(4rem, 8vw, 7rem);
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: 0.85rem;
  background: var(--ice);
}

.spec-list {
  display: grid;
  gap: 0.8rem;
}

.product-figure {
  display: grid;
  gap: 1rem;
}

.product-figure img {
  display: block;
  width: 100%;
  max-height: 20rem;
  object-fit: contain;
  padding: 1rem;
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.08);
}

.spec-list div {
  padding: 1rem;
  border-left: 4px solid var(--cyan);
  background: rgba(255, 255, 255, 0.75);
}

.spec-list span,
.spec-list strong {
  display: block;
}

.spec-list span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.4rem;
}

.before-after {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.before-after.compact {
  max-width: 34rem;
}

.before-after.large {
  margin-bottom: 2rem;
}

.before-after figure {
  margin: 0;
}

.before-after img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 0.7rem;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.08);
}

.before-after figcaption {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-card-wide {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.4rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #fff;
}

.product-card-wide img {
  display: block;
  width: 100%;
  max-height: 18rem;
  object-fit: contain;
}

.industry-image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.industry-image-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 21, 26, 0.08);
}

.industry-image-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.industry-image-card div {
  display: grid;
  gap: 0.35rem;
  min-height: 10.5rem;
  padding: 1rem;
}

.industry-image-card span {
  color: var(--lava);
  font-size: 0.78rem;
  font-weight: 900;
}

.industry-image-card strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.industry-image-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-strip span {
  display: inline-flex;
  min-height: 2.4rem;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 0.88rem;
  font-weight: 900;
}

.contact-band {
  grid-template-columns: minmax(0, 1fr) auto;
  background: var(--ink);
  color: #fff;
}

.contact-band .eyebrow {
  color: var(--cyan);
}

.contact-band h2 {
  margin-bottom: 0;
}

.contact-page {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.contact-copy h1 {
  font-size: clamp(2.4rem, 5vw, 4.5rem);
}

.contact-details {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.6rem;
  color: var(--steel);
  font-weight: 900;
}

.contact-people {
  display: grid;
  gap: 1.25rem;
  padding-top: 0;
}

.contact-people h2 {
  margin-bottom: 0;
}

.contact-people-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contact-people article {
  display: grid;
  gap: 0.32rem;
  align-content: start;
  min-height: 10.5rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: 0.45rem;
  background: #fff;
}

.contact-people article span {
  color: var(--steel);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-people article h3 {
  margin-bottom: 0.2rem;
  font-size: 1.05rem;
}

.contact-people article a {
  color: var(--ink);
  font-weight: 900;
  overflow-wrap: anywhere;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #f6f9fb;
}

.contact-form.is-submitting .field,
.contact-form.is-submitting .field-grid,
.contact-form.is-submitting .form-status {
  opacity: 0.58;
  pointer-events: none;
}

.field,
.field-grid {
  display: grid;
  gap: 0.45rem;
}

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

label {
  color: var(--ink);
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  border: 2px solid rgba(16, 21, 26, 0.72);
  border-radius: 0.45rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

input,
select {
  min-height: 3rem;
  padding: 0 0.85rem;
}

textarea {
  min-height: 9rem;
  padding: 0.85rem;
  resize: vertical;
}

.errorlist {
  margin: 0;
  padding-left: 1.1rem;
  color: #b42318;
  font-size: 0.9rem;
}

.form-message {
  margin: 0;
  padding: 0.9rem 1rem;
  border-radius: 0.5rem;
  background: #e7f6ec;
  color: #175b2d;
  font-weight: 900;
}

.form-message.error {
  background: #fdecea;
  color: #8c1d18;
}

.form-status:not(:has(.form-message)) {
  display: none;
}

.button-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.36);
  border-top-color: #fff;
  border-radius: 999px;
  animation: button-spin 0.8s linear infinite;
}

.contact-form.is-submitting .button-spinner {
  display: inline-block;
}

@keyframes button-spin {
  to {
    transform: rotate(360deg);
  }
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem clamp(1rem, 4vw, 4.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer div {
  display: grid;
  gap: 0.35rem;
}

.site-footer strong {
  color: var(--ink);
}

@media (max-width: 920px) {
  .hero,
  .split-band,
  .contact-page,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .card-grid.two,
  .card-grid.three,
  .product-card-wide,
  .contact-people-grid,
  .model-grid,
  .benefit-grid,
  .tramos-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    gap: 1rem;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem;
    font-size: 0.82rem;
  }

  .hero,
  .section-shell,
  .page-hero,
  .contact-page {
    width: min(100% - 1.2rem, 520px);
    padding: 3rem 0;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 2rem;
  }

  .system-panel {
    min-height: 18rem;
    padding: 1.3rem;
  }

  .card-grid,
  .card-grid.two,
  .card-grid.three,
  .field-grid,
  .before-after,
  .product-card-wide,
  .contact-people-grid,
  .industry-image-grid,
  .model-grid,
  .benefit-grid,
  .tramos-product-grid {
    grid-template-columns: 1fr;
  }

  .split-band,
  .contact-band {
    width: min(100% - 1.2rem, 520px);
    padding: 1.4rem;
  }
}