:root {
  --ink: #111816;
  --muted: #5d6864;
  --paper: #f7f8f4;
  --surface: #ffffff;
  --line: #dfe5dd;
  --teal: #08736d;
  --teal-dark: #08615e;
  --amber: #d99d32;
  --charcoal: #202928;
  --shadow: 0 24px 70px rgba(15, 26, 23, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(8, 115, 109, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 115, 109, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, #f7f8f4 0%, #eef4f1 46%, #f9faf7 100%);
  background-size: 72px 72px, 72px 72px, auto;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 22px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 248, 244, 0.9);
  border-bottom: 1px solid rgba(17, 24, 22, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  padding: 3px;
  background: white;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(17, 24, 22, 0.08);
  overflow: hidden;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.92rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.74rem;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 32px);
  color: #33403c;
  font-size: 0.94rem;
}

.main-nav a {
  position: relative;
  padding: 8px 0;
  transition: color 180ms ease;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.main-nav a:hover {
  color: var(--teal-dark);
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  font-weight: 750;
  cursor: pointer;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.header-cta {
  color: white;
  background: var(--ink);
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(17, 24, 22, 0.16);
}

.btn-primary {
  color: white;
  background: var(--teal);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
}

.btn-secondary:hover {
  color: var(--teal-dark);
  background: white;
}

.btn svg,
.header-cta svg,
.menu-toggle svg {
  width: 18px;
  height: 18px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.hero {
  position: relative;
  min-height: calc(100svh - 118px);
  overflow: hidden;
  background: #15201d;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 50%;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 12, 11, 0.94) 0%, rgba(6, 12, 11, 0.68) 48%, rgba(6, 12, 11, 0.18) 100%),
    linear-gradient(180deg, rgba(6, 12, 11, 0.18), rgba(6, 12, 11, 0.48));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  min-height: calc(100svh - 118px);
  max-width: 880px;
  padding: clamp(28px, 3vw, 42px) clamp(20px, 6vw, 76px);
  color: white;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8be4dd;
}

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

h1 {
  max-width: 800px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 5vw, 4.65rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.8vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.26rem;
  line-height: 1.18;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 660px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(14px);
}

.hero-stats div {
  padding: 18px;
}

.hero-stats div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 1.5rem;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.hero-note {
  max-width: 660px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
}

.trust-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 16px clamp(18px, 4vw, 56px);
  color: #31403c;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.88), rgba(239, 247, 243, 0.92)),
    #eaf0e7;
  border-block: 1px solid var(--line);
  white-space: nowrap;
}

.trust-strip span {
  padding: 8px 12px;
  border: 1px solid rgba(17, 24, 22, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background-color 180ms ease;
}

.impact-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: #cfd9d3;
  border-bottom: 1px solid var(--line);
}

.impact-band article {
  padding: clamp(20px, 3vw, 34px);
  background:
    linear-gradient(135deg, rgba(8, 115, 109, 0.06), transparent 42%),
    #ffffff;
}

.impact-band span,
.impact-band p {
  color: var(--muted);
}

.impact-band span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.impact-band strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
}

.impact-band p {
  max-width: 260px;
  margin: 0;
  font-size: 0.94rem;
}

.section {
  padding: clamp(68px, 9vw, 124px) clamp(20px, 5vw, 72px);
}

.intro-section {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.78), rgba(246, 250, 247, 0.88)),
    repeating-linear-gradient(135deg, rgba(17, 24, 22, 0.035) 0 1px, transparent 1px 18px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: end;
  max-width: 1220px;
  margin: 0 auto 42px;
}

.section-heading h2 {
  grid-column: 2;
}

.section-heading .eyebrow {
  grid-column: 1;
  align-self: start;
}

.section-heading.compact {
  display: block;
  max-width: 820px;
  text-align: center;
}

.intro-grid,
.product-grid,
.application-grid,
.support-grid {
  display: grid;
  max-width: 1220px;
  margin: 0 auto;
  gap: 18px;
}

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

.intro-grid article,
.product-card,
.application-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 34px rgba(17, 24, 22, 0.06);
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease;
}

.intro-grid article:hover,
.product-card:hover,
.application-grid article:hover {
  border-color: rgba(8, 115, 109, 0.28);
  box-shadow: 0 18px 44px rgba(17, 24, 22, 0.12);
  transform: translateY(-4px);
}

.intro-grid article h3,
.product-card h3,
.application-grid h3 {
  transition: color 180ms ease;
}

.intro-grid article:hover h3,
.product-card:hover h3,
.application-grid article:hover h3 {
  color: var(--teal-dark);
}

.product-card.featured:hover h3 {
  color: white;
}

.intro-grid article {
  padding: 30px;
}

.intro-grid svg {
  width: 30px;
  height: 30px;
  margin-bottom: 24px;
  color: var(--teal);
}

.intro-grid p,
.product-card p,
.application-grid p,
.split-copy p,
.parts-content p,
.contact-copy p {
  color: var(--muted);
}

.split-section,
.parts-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
}

.advantage-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  max-width: 1360px;
  margin: 0 auto;
  background:
    linear-gradient(90deg, rgba(8, 115, 109, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(rgba(8, 115, 109, 0.06) 0 1px, transparent 1px 100%),
    linear-gradient(135deg, #ffffff 0%, #f3f8f5 100%),
    #ffffff;
  background-size: 44px 44px, 44px 44px, auto, auto;
}

.advantage-copy {
  position: sticky;
  top: 110px;
}

.advantage-copy p {
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--teal-dark);
  font-weight: 850;
}

.text-link svg,
.application-grid a svg {
  width: 17px;
  height: 17px;
  transition: transform 180ms ease;
}

.text-link:hover svg,
.application-grid a:hover svg {
  transform: translateX(3px);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.advantage-grid article {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf6;
  box-shadow: 0 10px 34px rgba(17, 24, 22, 0.05);
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease;
}

.advantage-grid article:hover {
  border-color: rgba(8, 115, 109, 0.28);
  box-shadow: 0 18px 44px rgba(17, 24, 22, 0.12);
  transform: translateY(-4px);
}

.advantage-grid svg {
  width: 30px;
  height: 30px;
  margin-bottom: 24px;
  color: var(--teal);
}

.advantage-grid p {
  color: var(--muted);
}

.spec-section {
  background:
    linear-gradient(135deg, rgba(32, 41, 40, 0.04) 0%, rgba(8, 115, 109, 0.08) 52%, rgba(255, 255, 255, 0.62) 100%),
    repeating-linear-gradient(90deg, rgba(8, 97, 94, 0.055) 0 1px, transparent 1px 80px),
    #f3f7f6;
}

.spec-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(22px, 4vw, 52px);
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

.spec-image {
  overflow: hidden;
  border-radius: 8px;
  background: #070909;
  box-shadow: var(--shadow);
}

.spec-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.spec-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 10px 34px rgba(17, 24, 22, 0.06);
}

.spec-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 32%;
  color: #27332f;
  background: #eef3ed;
  font-size: 0.86rem;
  text-transform: uppercase;
}

.spec-table td {
  color: #40504b;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: 0;
}

.video-panel,
.parts-image {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--charcoal);
}

.video-panel video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #2f3b37;
}

.check-list svg {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--teal);
}

.product-section {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(135deg, #151d1b 0%, #21312f 55%, #151d1b 100%);
  background-size: 56px 56px, 56px 56px, auto;
  color: white;
}

.product-section .eyebrow {
  color: #8be4dd;
}

.product-section .section-heading h2 {
  color: white;
}

.product-grid {
  grid-template-columns: 1.1fr 0.95fr 0.95fr;
}

.product-card {
  min-height: 380px;
  padding: 28px;
  color: var(--ink);
}

.product-card.featured {
  color: white;
  background:
    linear-gradient(145deg, rgba(15, 140, 131, 0.92), rgba(8, 97, 94, 0.96)),
    var(--teal-dark);
  border-color: rgba(255, 255, 255, 0.14);
}

.product-card.featured p {
  color: rgba(255, 255, 255, 0.9);
}

.tag {
  display: inline-flex;
  margin-bottom: 34px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--teal-dark);
  background: #e5f5f2;
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.featured .tag {
  color: #12201d;
  background: #bff1e9;
}

.product-card dl {
  display: grid;
  gap: 16px;
  margin: 30px 0 0;
}

.product-card dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.featured dt {
  color: rgba(255, 255, 255, 0.82);
}

.product-card dd {
  margin: 3px 0 0;
}

.parts-section {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
}

.parts-image img,
.application-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.parts-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.parts-list span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: #2d3a36;
  font-size: 0.92rem;
  transition:
    border-color 180ms ease,
    color 180ms ease,
    background-color 180ms ease;
}

.parts-callout {
  display: grid;
  gap: 6px;
  margin: 26px 0 22px;
  padding: 18px;
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #eef7f4;
}

.parts-callout strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.parts-callout span {
  color: var(--muted);
}

.applications-section {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.68), rgba(229, 239, 236, 0.9)),
    linear-gradient(90deg, rgba(217, 157, 50, 0.08) 0 12%, transparent 12% 100%),
    #edf1ea;
}

.case-section {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(236, 242, 238, 0.96)),
    repeating-linear-gradient(90deg, rgba(17, 24, 22, 0.035) 0 1px, transparent 1px 84px);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.case-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 16px 40px rgba(17, 24, 22, 0.08);
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    border-color 200ms ease;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(8, 115, 109, 0.24);
  box-shadow: 0 22px 54px rgba(17, 24, 22, 0.12);
}

.case-card-media {
  overflow: hidden;
  background: #101715;
}

.case-card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.case-card-body {
  display: grid;
  gap: 14px;
  padding: 24px;
}

.case-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.case-card p {
  margin: 0;
  color: var(--muted);
}

.case-metrics {
  display: grid;
  gap: 12px;
  margin: 6px 0 0;
}

.case-metrics div {
  display: grid;
  gap: 5px;
  padding: 14px 14px 15px;
  border: 1px solid rgba(8, 115, 109, 0.14);
  border-radius: 8px;
  background: #f6faf8;
}

.case-metrics dt {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-metrics dd {
  margin: 0;
  color: #31403c;
  line-height: 1.55;
}

.insights-preview-section {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(232, 241, 238, 0.94)),
    repeating-linear-gradient(90deg, rgba(8, 115, 109, 0.045) 0 1px, transparent 1px 88px);
}

.insight-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 18px;
  max-width: 1220px;
  margin: 0 auto;
}

.insight-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 36px rgba(17, 24, 22, 0.07);
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease;
}

.insight-card:hover {
  border-color: rgba(8, 115, 109, 0.28);
  box-shadow: 0 18px 46px rgba(17, 24, 22, 0.12);
  transform: translateY(-4px);
}

.insight-card-media {
  overflow: hidden;
  background: #111816;
}

.insight-card-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 320ms ease;
}

.insight-card:hover .insight-card-media img {
  transform: scale(1.025);
}

.insight-card-body {
  padding: 26px;
}

.article-category {
  display: block;
  margin-bottom: 18px;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.insight-card h3 {
  font-size: 1.45rem;
}

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

.insight-card a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--teal-dark);
  font-weight: 850;
}

.insight-card a svg {
  width: 17px;
  height: 17px;
  transition: transform 180ms ease;
}

.insight-card a:hover svg {
  transform: translateX(3px);
}

.section-action {
  display: flex;
  justify-content: center;
  max-width: 1220px;
  margin: 34px auto 0;
}

.insights-hero {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 76px);
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 14, 13, 0.92), rgba(7, 14, 13, 0.54)),
    url("assets/zt-001-flight.png") center 48% / cover no-repeat;
}

.insights-hero-inner {
  max-width: 900px;
}

.insights-hero .eyebrow,
.article-hero .eyebrow {
  color: #8be4dd;
}

.insights-hero h1 {
  margin-bottom: 20px;
}

.insights-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.12rem;
}

.insights-page-section {
  background:
    linear-gradient(rgba(8, 115, 109, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 115, 109, 0.035) 1px, transparent 1px),
    #f6f9f6;
  background-size: 72px 72px, 72px 72px, auto;
}

.insights-page-section .insight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.insights-page-section .insight-card-media img {
  aspect-ratio: 4 / 3;
}

.article-hero {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 6vw, 76px);
  color: white;
  background:
    linear-gradient(90deg, rgba(7, 14, 13, 0.94), rgba(7, 14, 13, 0.62)),
    url("assets/zt-001-closeup.png") center / cover no-repeat;
}

.article-hero-inner {
  max-width: 980px;
}

.article-hero h1 {
  max-width: 900px;
  font-size: clamp(2.55rem, 5vw, 5rem);
}

.article-deck {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.12rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(34px, 6vw, 84px);
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(58px, 8vw, 100px) clamp(20px, 5vw, 64px);
}

.article-body {
  max-width: 780px;
  color: #31403c;
  font-size: 1.04rem;
  line-height: 1.78;
}

.article-body h2 {
  margin-top: 54px;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
}

.article-body h3 {
  margin-top: 34px;
  font-size: 1.35rem;
}

.article-body a {
  color: var(--teal-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-summary,
.article-callout {
  margin: 0 0 34px;
  padding: 24px;
  border: 1px solid rgba(8, 115, 109, 0.2);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: #edf7f3;
}

.article-summary strong,
.article-callout strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.article-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.article-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: white;
}

.article-table th,
.article-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-table th {
  color: var(--ink);
  background: #edf3ef;
}

.article-table tr:last-child td {
  border-bottom: 0;
}

.article-aside {
  position: sticky;
  top: 104px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 34px rgba(17, 24, 22, 0.07);
}

.article-aside strong {
  display: block;
  margin-bottom: 14px;
}

.article-aside a {
  display: block;
  padding: 9px 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.article-aside .btn {
  margin-top: 18px;
  color: white;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.faq-list details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.faq-list summary {
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.faq-list details p {
  margin: 12px 0 0;
}

.faq-section {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(240, 245, 242, 0.96)),
    linear-gradient(90deg, rgba(8, 115, 109, 0.055) 0 10%, transparent 10% 100%);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

.faq-copy {
  position: sticky;
  top: 96px;
}

.faq-highlight {
  display: grid;
  gap: 7px;
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px solid rgba(8, 115, 109, 0.18);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.faq-highlight strong {
  color: var(--ink);
}

.faq-highlight span {
  color: var(--muted);
}

.faq-panel {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 16px 40px rgba(17, 24, 22, 0.08);
}

.application-grid article {
  overflow: hidden;
  position: relative;
}

.application-grid img {
  aspect-ratio: 4 / 3;
}

.application-grid h3,
.application-grid p,
.application-grid a {
  padding-inline: 22px;
}

.application-grid h3 {
  padding-top: 22px;
}

.application-grid p {
  min-height: 76px;
  margin-bottom: 0;
}

.application-grid a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  padding-bottom: 24px;
  color: var(--teal-dark);
  font-weight: 850;
}

.app-label {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  padding: 8px 10px;
  border-radius: 999px;
  color: white;
  background: rgba(17, 24, 22, 0.76);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.support-section {
  background: var(--charcoal);
  color: white;
}

.support-section .eyebrow {
  color: #f2bd56;
}

.support-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.support-grid div {
  display: grid;
  gap: 22px;
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.support-grid strong {
  color: var(--amber);
  font-size: 1.9rem;
}

.support-grid span {
  color: rgba(255, 255, 255, 0.78);
}

.contact-section {
  align-items: start;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(242, 247, 244, 0.94)),
    repeating-linear-gradient(135deg, rgba(8, 115, 109, 0.045) 0 1px, transparent 1px 22px);
}

.contact-cards {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-cards > span,
.contact-cards > a {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.contact-cards a {
  color: var(--ink);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.contact-cards a:hover {
  transform: translateY(-1px);
  border-color: rgba(16, 147, 104, 0.36);
  box-shadow: 0 12px 28px rgba(16, 147, 104, 0.12);
}

.contact-cards svg {
  width: 18px;
  height: 18px;
  color: var(--teal);
}

.brand-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  background-color: currentColor;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
}

.brand-icon-gmail {
  background-color: #ea4335;
  -webkit-mask-image: url("assets/social/gmail.svg");
  mask-image: url("assets/social/gmail.svg");
}

.brand-icon-whatsapp {
  background-color: #25d366;
  -webkit-mask-image: url("assets/social/whatsapp.svg");
  mask-image: url("assets/social/whatsapp.svg");
}

.brand-icon-whatsapp-light {
  background-color: #ffffff;
  -webkit-mask-image: url("assets/social/whatsapp.svg");
  mask-image: url("assets/social/whatsapp.svg");
}

.brand-icon-linkedin {
  background-color: #0a66c2;
  -webkit-mask-image: url("assets/social/linkedin.svg");
  mask-image: url("assets/social/linkedin.svg");
}

.brand-icon-instagram {
  background-color: #e4405f;
  -webkit-mask-image: url("assets/social/instagram.svg");
  mask-image: url("assets/social/instagram.svg");
}

.brand-icon-facebook {
  background-color: #1877f2;
  -webkit-mask-image: url("assets/social/facebook.svg");
  mask-image: url("assets/social/facebook.svg");
}

.brand-icon-tiktok {
  background-color: #111111;
  -webkit-mask-image: url("assets/social/tiktok.svg");
  mask-image: url("assets/social/tiktok.svg");
}

.brand-icon-tiktok-footer {
  background-color: #ffffff;
  -webkit-mask-image: url("assets/social/tiktok.svg");
  mask-image: url("assets/social/tiktok.svg");
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid rgba(8, 115, 109, 0.18);
  border-radius: 999px;
  color: #174844;
  background: rgba(255, 255, 255, 0.84);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.social-link:hover {
  transform: translateY(-1px);
  color: #0c5f5a;
  background: white;
  border-color: rgba(8, 115, 109, 0.34);
  box-shadow: 0 14px 30px rgba(17, 81, 73, 0.1);
}

.social-link svg {
  width: 17px;
  height: 17px;
}

.social-link .brand-icon {
  width: 17px;
  height: 17px;
  flex-basis: 17px;
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
}

.quote-form label {
  display: grid;
  gap: 7px;
  color: #37433f;
  font-size: 0.88rem;
  font-weight: 750;
}

.quote-form .full {
  grid-column: 1 / -1;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 1px solid #cfd8d2;
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fbfcfa;
}

.quote-form textarea {
  resize: vertical;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.quote-form button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

.form-status {
  min-height: 20px;
  margin: -2px 0 0;
  font-size: 0.88rem;
  font-weight: 700;
}

.form-status:empty {
  display: none;
}

.form-status.is-pending {
  color: #52615c;
}

.form-status.is-success {
  color: #08736d;
}

.form-status.is-error {
  color: #a4382e;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: #101715;
}

.footer-meta {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.site-footer .brand small,
.site-footer p {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer .brand-mark {
  background: white;
}

.site-footer > a:last-child {
  color: white;
  font-weight: 800;
  transition: color 180ms ease;
}

.site-footer > a:last-child:hover {
  color: #8be4dd;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-social a {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.04);
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.footer-social a:hover {
  transform: translateY(-1px);
  color: white;
  border-color: rgba(139, 228, 221, 0.45);
  background: rgba(139, 228, 221, 0.1);
}

.footer-social .brand-icon {
  width: 18px;
  height: 18px;
}

.whatsapp-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid rgba(18, 121, 86, 0.36);
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, #1fa86b, #158654);
  box-shadow: 0 20px 34px rgba(18, 121, 86, 0.24);
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  filter: saturate(1.02);
  box-shadow: 0 24px 42px rgba(18, 121, 86, 0.28);
}

.whatsapp-float .brand-icon {
  width: 18px;
  height: 18px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

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

  .menu-toggle {
    display: grid;
    grid-column: 3;
  }

  .main-nav.is-open {
    position: absolute;
    top: 75px;
    right: 18px;
    left: 18px;
    display: grid;
    justify-content: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: white;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open a {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
  }

  .section-heading,
  .split-section,
  .parts-section,
  .contact-section,
  .spec-layout,
  .advantage-section {
    grid-template-columns: 1fr;
  }

  .advantage-copy {
    position: static;
  }

  .section-heading h2,
  .section-heading .eyebrow {
    grid-column: 1;
  }

  .intro-grid,
  .product-grid,
  .application-grid,
  .case-grid,
  .support-grid,
  .impact-band,
  .advantage-grid,
  .insight-grid,
  .insights-page-section .insight-grid {
    grid-template-columns: 1fr 1fr;
  }

  .article-shell {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
    max-width: 520px;
  }

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

  .faq-copy {
    position: static;
  }

  .product-card {
    min-height: 320px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-meta {
    width: 100%;
  }

  .site-footer > a:last-child {
    align-self: flex-start;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 68px;
    padding: 12px 16px;
  }

  .brand small {
    display: none;
  }

  .hero,
  .hero-content {
    min-height: auto;
  }

  .hero-content {
    padding: 38px 20px 28px;
  }

  h1 {
    font-size: 2.25rem;
    line-height: 1.02;
  }

  .hero .eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .hero-copy {
    font-size: 0.96rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 16px;
  }

  .hero .btn {
    min-height: 42px;
    padding: 0 10px;
    font-size: 0.84rem;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(6, 12, 11, 0.64), rgba(6, 12, 11, 0.88));
  }

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

  .hero-stats div + div {
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
  }

  .hero-stats div {
    padding: 11px 8px;
  }

  .hero-stats strong {
    font-size: 1.05rem;
  }

  .hero-stats span {
    font-size: 0.68rem;
  }

  .intro-grid,
  .product-grid,
  .application-grid,
  .case-grid,
  .support-grid,
  .impact-band,
  .advantage-grid,
  .insight-grid,
  .insights-page-section .insight-grid,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .article-meta {
    display: grid;
  }

  .impact-band article {
    padding: 22px 20px;
  }

  .impact-band strong {
    font-size: 2.35rem;
  }

  .advantage-grid article {
    min-height: auto;
  }

  .site-footer {
    display: grid;
  }

  .social-link {
    min-height: 40px;
    padding: 0 14px;
  }

  .footer-social a {
    width: 38px;
    height: 38px;
  }

  .whatsapp-float {
    width: 52px;
    min-width: 52px;
    padding: 0;
    justify-content: center;
  }

  .whatsapp-float span {
    display: none;
  }
}