:root {
  --ink: #14211f;
  --muted: #667572;
  --paper: #fbfcf9;
  --mist: #eef6f4;
  --line: #dbe6e2;
  --teal: #0f8b7c;
  --teal-deep: #075d56;
  --coral: #d96c55;
  --gold: #b89547;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(20, 33, 31, 0.14);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(219, 230, 226, 0.85);
  background: rgba(251, 252, 249, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 224px;
}

.brand-logo {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: contain;
  background: var(--white);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 0.94rem;
  letter-spacing: 0.03em;
  line-height: 1;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.15;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #334440;
  font-size: 0.92rem;
}

.nav-links a,
.site-footer a {
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.site-footer a:hover {
  border-color: currentColor;
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 760;
  line-height: 1;
}

.nav-cta {
  padding: 0 18px;
  color: var(--white);
  background: var(--teal-deep);
}

.button {
  border: 1px solid transparent;
  padding: 0 22px;
}

.button.primary {
  color: var(--white);
  background: var(--teal-deep);
  box-shadow: 0 14px 34px rgba(7, 93, 86, 0.22);
}

.button.secondary {
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.76);
}

.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #eef4f2;
}

.hero-carousel,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-carousel::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(251, 252, 249, 0.96) 0%, rgba(251, 252, 249, 0.86) 35%, rgba(251, 252, 249, 0.22) 68%);
  pointer-events: none;
}

.hero-slide {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0;
  transform: scale(1.018);
  transition: opacity 680ms ease, transform 1800ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-shade {
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  background: linear-gradient(0deg, rgba(251, 252, 249, 0.96), rgba(251, 252, 249, 0));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(620px, calc(100% - 48px));
  margin-left: max(24px, calc((100vw - var(--max)) / 2));
  padding: 70px 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: 5.4rem;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 2.42rem;
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.06rem;
  line-height: 1.24;
}

.hero-copy {
  max-width: 560px;
  color: #30433f;
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
}

.hero-facts {
  display: grid;
  max-width: 560px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(219, 230, 226, 0.9);
  border-radius: 8px;
  background: rgba(219, 230, 226, 0.9);
  box-shadow: var(--shadow);
}

.hero-facts div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.82);
}

.hero-facts dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.hero-facts dd {
  margin: 3px 0 0;
  font-weight: 800;
}

.carousel-dots {
  display: flex;
  gap: 9px;
  margin-top: 20px;
}

.carousel-dot {
  width: 34px;
  height: 6px;
  border: 0;
  border-radius: 999px;
  background: rgba(7, 93, 86, 0.24);
  cursor: pointer;
}

.carousel-dot.is-active {
  background: var(--teal-deep);
}

.section {
  padding: 86px 24px;
}

.section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.two-column,
.product-story,
.specs-layout,
.contact-layout,
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 58px;
  align-items: start;
}

.problem-band {
  padding-top: 60px;
  background: var(--paper);
}

.problem-grid,
.accessory-grid,
.steps,
.part-list {
  display: grid;
  gap: 16px;
}

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

.problem-grid article,
.accessory-grid article,
.steps article,
.part-list article {
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 22px;
}

.mini-icon,
.steps span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 28px;
  margin-bottom: 18px;
  border-radius: 999px;
  color: var(--teal-deep);
  background: var(--mist);
  font-size: 0.78rem;
  font-weight: 800;
}

.problem-grid p,
.part-list p,
.accessory-grid p,
.steps p,
.section-heading p,
.story-copy p,
.specs-layout p,
.contact-copy p,
.faq-list p {
  color: var(--muted);
}

.product-story {
  align-items: center;
}

.story-copy {
  max-width: 520px;
}

.check-list {
  display: grid;
  gap: 11px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.12em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  content: "✓";
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.image-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

figure {
  margin: 0;
}

.image-pair figure,
.wide-figure {
  overflow: hidden;
  border-radius: 8px;
  background: var(--mist);
  box-shadow: var(--shadow);
}

.image-pair img {
  aspect-ratio: 1 / 1.18;
  object-fit: cover;
}

figcaption {
  padding: 14px 16px 16px;
  color: #40524e;
  background: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
}

.technical-band,
.faq-band {
  background: #eef6f4;
}

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

.section-heading.compact {
  max-width: 560px;
}

.engineering-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: stretch;
}

.wide-figure img {
  height: 100%;
  min-height: 490px;
  object-fit: cover;
}

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

.setup-section {
  background: var(--white);
}

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

.steps span {
  width: 34px;
  height: 34px;
  background: #fff4e1;
  color: #7c5d1e;
}

.specs-band {
  background: #16221f;
  color: var(--white);
}

.specs-band .eyebrow {
  color: #7edfd3;
}

.specs-layout p {
  color: #c7d4d1;
}

.spec-table {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.spec-table div {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.spec-table div:last-child {
  border-bottom: 0;
}

.spec-table span {
  color: #a8bbb7;
}

.spec-table strong {
  color: var(--white);
  font-weight: 760;
}

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

.faq-layout {
  grid-template-columns: 0.72fr 1.28fr;
}

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

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 0;
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
}

.contact-section {
  background: var(--paper);
}

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

.contact-details {
  display: grid;
  gap: 0;
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact-details div {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 16px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.contact-details div:last-child {
  border-bottom: 0;
}

.contact-details span {
  color: var(--muted);
  font-size: 0.82rem;
}

.contact-details strong,
.contact-details a {
  color: var(--ink);
  font-weight: 800;
}

.contact-details a {
  border-bottom: 1px solid rgba(15, 139, 124, 0.34);
}

.contact-note {
  margin-top: 26px;
  border-left: 4px solid var(--coral);
  padding: 16px 18px;
  background: #fff7f4;
  color: #4f3a34;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 24px;
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  display: grid;
  color: #344541;
  font-weight: 760;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cddbd7;
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #fbfdfc;
  font: inherit;
}

input:focus,
textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(15, 139, 124, 0.16);
}

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

.form-status {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--teal-deep);
  font-weight: 760;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px;
  color: #cedbd8;
  background: #111b19;
}

.site-footer div {
  display: grid;
  gap: 4px;
}

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

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero {
    min-height: 74vh;
  }

  .hero-carousel::after {
    background: linear-gradient(180deg, rgba(251, 252, 249, 0.98) 0%, rgba(251, 252, 249, 0.9) 48%, rgba(251, 252, 249, 0.16) 100%);
  }

  .hero-slide {
    object-position: center bottom;
  }

  .hero-content {
    padding-top: 52px;
  }

  h1 {
    font-size: 4.1rem;
  }

  .two-column,
  .product-story,
  .specs-layout,
  .contact-layout,
  .faq-layout,
  .engineering-layout {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .part-list,
  .steps,
  .accessory-grid {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    position: static;
  }

  .wide-figure img {
    min-height: 360px;
  }
}

@media (max-width: 760px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: 38px;
    height: 38px;
  }

  .brand-copy small {
    display: none;
  }

  .brand-copy strong {
    font-size: 0.8rem;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.84rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
    padding: 40px 0 48px;
  }

  h1 {
    font-size: 3.08rem;
  }

  h2 {
    font-size: 1.82rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions,
  .hero-facts,
  .image-pair,
  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 60px 16px;
  }

  .image-pair {
    display: grid;
  }

  .spec-table div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .inquiry-form {
    padding: 18px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 24px 16px;
  }
}