:root {
  color-scheme: light;
  --ink: #15202a;
  --muted: rgba(21, 32, 42, 0.68);
  --line: rgba(21, 32, 42, 0.12);
  --aqua: #58b7c7;
  --aqua-soft: #e9f7f9;
  --paper: #ffffff;
  --mist: #f5f8f9;
  --dark: #111a22;
  --shadow: 0 20px 56px rgba(21, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 14px;
  align-items: center;
  min-height: 76px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  color: #ffffff;
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header.is-scrolled,
.mobile-menu.is-open {
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: 0 12px 36px rgba(21, 32, 42, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #e5362e;
  box-shadow: 15px 0 0 var(--aqua);
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.9rem;
  font-weight: 700;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid currentColor;
  border-radius: 8px;
}

.language-switch a {
  min-width: 44px;
  padding: 8px 10px;
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
  text-align: center;
  text-decoration: none;
}

.language-switch a + a {
  border-left: 1px solid currentColor;
}

.language-switch .is-active {
  background: currentColor;
  color: var(--dark);
}

.site-header.is-scrolled .language-switch .is-active,
.mobile-menu.is-open .language-switch .is-active {
  color: #ffffff;
}

.desktop-nav a,
.mobile-menu a {
  text-decoration: none;
}

.mobile-languages {
  display: flex;
  gap: 8px;
  padding: 8px 12px 4px;
}

.mobile-languages a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid currentColor;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 8px;
  background: transparent;
  color: inherit;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.mobile-menu {
  position: fixed;
  top: 76px;
  right: 12px;
  left: 12px;
  z-index: 9;
  display: none;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mobile-menu.is-open {
  display: grid;
}

.mobile-menu a {
  padding: 12px;
  border-radius: 8px;
  font-weight: 800;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  overflow: hidden;
  background: var(--dark);
  color: #ffffff;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 66% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(12, 18, 24, 0.8), rgba(12, 18, 24, 0.44) 48%, rgba(12, 18, 24, 0.08)),
    linear-gradient(180deg, rgba(12, 18, 24, 0.1), rgba(12, 18, 24, 0.76));
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 22px;
  width: min(1180px, calc(100vw - 80px));
  margin: 0 auto;
  padding: 92px 0 150px;
}

.eyebrow {
  margin: 0;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  max-width: 820px;
  font-size: clamp(3.1rem, 6vw, 6.6rem);
  line-height: 0.96;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 1.02;
}

.hero-content p:not(.eyebrow) {
  max-width: 660px;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.65;
}

.hero-actions,
.contact .button {
  margin-top: 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  max-width: 100%;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button-primary {
  border-color: var(--ink);
  background: var(--ink);
  color: #ffffff;
}

.button-light {
  border-color: #ffffff;
  background: #ffffff;
  color: var(--ink);
}

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

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 760px;
}

.hero-badges span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.84rem;
  font-weight: 850;
}

.hero-stats {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1180px, calc(100vw - 80px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  backdrop-filter: blur(18px);
}

.hero-stats div {
  padding: 20px;
  background: rgba(255, 255, 255, 0.14);
}

.hero-stats strong {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.45rem, 2.3vw, 2.25rem);
  line-height: 1;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
  line-height: 1.4;
}

.signal-strip {
  display: flex;
  overflow-x: auto;
  background: var(--dark);
  scrollbar-width: none;
}

.signal-strip span {
  flex: 0 0 auto;
  padding: 18px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.94rem;
  font-weight: 800;
  white-space: nowrap;
}

.product-preview {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 12px;
  width: min(1180px, calc(100vw - 40px));
  margin: 20px auto 0;
}

.product-preview img {
  display: block;
  width: 100%;
  height: 260px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.product-preview img:first-child {
  object-position: center;
}

.section,
.feature-band,
.visual-story,
.video-section,
.contact {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
}

.section {
  padding: 76px 0;
}

.section-heading {
  display: grid;
  gap: 16px;
  max-width: 830px;
  margin-bottom: 34px;
}

.section-heading > p:not(.eyebrow),
.spec-copy > p:not(.eyebrow),
.contact p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.mode-grid,
.care-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mode-grid article,
.care-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.mode-grid img {
  display: block;
  width: 100%;
  height: clamp(420px, 42vw, 620px);
  object-fit: cover;
}

.mode-grid div,
.care-grid article {
  padding: 22px;
}

.mode-grid strong,
.care-grid strong,
.point-list strong,
.service-strip strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.08rem;
}

.mode-grid p,
.care-grid p,
.detail-grid p,
.point-list span,
.service-strip span {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.visual-story {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1.2fr);
  gap: 28px;
  align-items: stretch;
  padding: 16px 0 76px;
}

.visual-story__copy {
  display: grid;
  align-content: center;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mist);
}

.visual-story__copy p:not(.eyebrow),
.proof-copy p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.visual-story__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.visual-story__grid img {
  display: block;
  width: 100%;
  height: 270px;
  border-radius: 8px;
  object-fit: cover;
}

.visual-story__grid img:first-child {
  grid-column: 1 / -1;
  height: 360px;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1.25fr);
  gap: 28px;
  align-items: center;
  padding: 8px 0 76px;
}

.video-copy {
  display: grid;
  gap: 16px;
}

.video-copy p:not(.eyebrow) {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #000000;
  box-shadow: var(--shadow);
}

.video-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  object-fit: cover;
}

.feature-cards {
  padding-top: 22px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.detail-grid article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.detail-grid img {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.detail-grid strong,
.detail-grid p {
  display: block;
  margin: 0;
  padding: 0 18px;
}

.detail-grid strong {
  padding-top: 18px;
  font-size: 1.04rem;
}

.detail-grid p {
  padding-top: 6px;
  padding-bottom: 18px;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 34px;
  align-items: center;
  padding: 32px 0 76px;
}

.feature-media {
  overflow: hidden;
  border-radius: 8px;
}

.feature-media img {
  display: block;
  width: 100%;
  height: clamp(340px, 38vw, 560px);
  object-fit: cover;
}

.feature-copy,
.spec-copy,
.contact > div:first-child {
  display: grid;
  gap: 16px;
}

.point-list {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.point-list div {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mist);
}

.point-list b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--aqua);
  color: #ffffff;
  font-size: 0.86rem;
}

.care {
  padding-top: 34px;
}

.comparison {
  padding-top: 12px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.comparison-grid article {
  display: grid;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mist);
}

.comparison-grid span {
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.comparison-grid strong {
  font-size: 1.18rem;
  line-height: 1.35;
}

.comparison-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.service-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.service-strip div {
  padding: 20px;
  background: var(--aqua-soft);
}

.specs {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(480px, 1.05fr);
  gap: 32px;
  align-items: start;
}

.spec-copy {
  position: sticky;
  top: 104px;
}

.spec-table {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.spec-table th,
.spec-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

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

.spec-table th {
  width: 34%;
  color: rgba(21, 32, 42, 0.58);
  font-weight: 800;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 76px;
}

.gallery img {
  display: block;
  width: 100%;
  height: clamp(300px, 34vw, 500px);
  border-radius: 8px;
  object-fit: cover;
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.75fr);
  gap: 32px;
  align-items: center;
  padding-top: 10px;
}

.proof-copy {
  display: grid;
  gap: 16px;
}

.proof-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.proof-card img {
  display: block;
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
}

.cert-logo-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.cert-logo-wall div {
  display: grid;
  align-content: center;
  min-height: 124px;
  padding: 18px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, var(--mist));
  text-align: center;
}

.cert-logo-wall strong {
  display: block;
  color: var(--ink);
  font-size: clamp(1.45rem, 3vw, 2.55rem);
  line-height: 1;
  letter-spacing: 0;
}

.cert-logo-wall span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.35;
}

.faq {
  padding-top: 28px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.faq-grid details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.faq-grid summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.4;
}

.faq-grid p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--muted);
  line-height: 1.65;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.7fr);
  gap: 36px;
  align-items: start;
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.form-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 7px;
  color: rgba(21, 32, 42, 0.72);
  font-size: 0.9rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
}

textarea {
  resize: vertical;
}

.contact-form .button {
  width: 100%;
}

.hidden-field {
  display: none;
}

.quote-notes {
  display: grid;
  gap: 9px;
  margin-top: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--aqua-soft);
}

.quote-notes strong {
  color: var(--ink);
}

.quote-notes span {
  color: var(--muted);
  line-height: 1.35;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 28px max(20px, calc((100vw - 1180px) / 2));
  background: var(--dark);
  color: rgba(255, 255, 255, 0.78);
}

.site-footer span:first-child {
  color: #ffffff;
  font-weight: 900;
}

.error-page {
  min-height: 100svh;
  background: var(--mist);
}

.error-layout {
  display: grid;
  align-content: center;
  gap: 18px;
  min-height: 100svh;
  width: min(760px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.error-brand {
  margin-bottom: 12px;
  color: var(--ink);
}

.error-layout h1 {
  color: var(--ink);
  font-size: clamp(3rem, 7vw, 6rem);
}

.error-layout p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding: 0 16px;
  }

  .desktop-nav,
  .language-switch,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .mobile-menu {
    top: 68px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-image {
    object-position: 72% center;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(12, 18, 24, 0.08), rgba(12, 18, 24, 0.84)),
      linear-gradient(90deg, rgba(12, 18, 24, 0.56), rgba(12, 18, 24, 0.08));
  }

  .hero-content {
    width: min(100%, calc(100vw - 32px));
    padding: 92px 0 180px;
  }

  h1 {
    font-size: clamp(2.55rem, 12vw, 4.1rem);
    line-height: 1;
  }

  h2 {
    font-size: clamp(1.85rem, 8vw, 3rem);
  }

  .hero-actions {
    align-items: stretch;
  }

  .button {
    flex: 1 1 180px;
    min-width: 0;
  }

  .hero-stats {
    width: min(100%, calc(100vw - 32px));
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-stats div {
    padding: 16px;
  }

  .section {
    padding: 52px 0;
  }

  .mode-grid,
  .care-grid,
  .comparison-grid,
  .product-preview,
  .service-strip,
  .feature-band,
  .visual-story,
  .visual-story__grid,
  .video-section,
  .detail-grid,
  .specs,
  .gallery,
  .faq-grid,
  .proof,
  .contact {
    grid-template-columns: 1fr;
  }

  .cert-logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-band {
    gap: 22px;
    padding: 10px 0 52px;
  }

  .mode-grid img,
  .product-preview img,
  .detail-grid img,
  .gallery img {
    height: clamp(280px, 88vw, 430px);
  }

  .product-preview {
    margin-top: 14px;
  }

  .visual-story {
    gap: 16px;
    padding-bottom: 52px;
  }

  .visual-story__copy {
    padding: 22px;
  }

  .visual-story__grid img,
  .visual-story__grid img:first-child {
    height: clamp(220px, 62vw, 300px);
  }

  .feature-media img {
    height: 280px;
  }

  .proof-card img {
    height: 420px;
  }

  .spec-copy {
    position: static;
  }

  .spec-table {
    display: block;
    overflow-x: auto;
  }

  .contact {
    padding: 46px 0;
  }

  .form-pair {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .section,
  .contact {
    width: min(100%, calc(100vw - 28px));
  }

  .hero-content {
    width: min(100%, calc(100vw - 28px));
    gap: 16px;
    padding-bottom: 170px;
  }

  h1 {
    font-size: clamp(2.25rem, 11vw, 3.25rem);
  }

  h2 {
    font-size: clamp(1.75rem, 7.6vw, 2.55rem);
  }

  .section-heading {
    gap: 12px;
    margin-bottom: 24px;
  }

  .hero-stats strong {
    font-size: 1.35rem;
  }

  .hero-stats span,
  .signal-strip span {
    font-size: 0.84rem;
  }

  .mode-grid div,
  .care-grid article,
  .visual-story__copy,
  .contact-form {
    padding: 18px;
  }

  .point-list div {
    padding: 14px;
  }

  .cert-logo-wall {
    gap: 10px;
    padding: 12px;
  }

  .cert-logo-wall div {
    min-height: 112px;
    padding: 14px 10px;
  }

  .cert-logo-wall strong {
    font-size: clamp(1.28rem, 7vw, 2rem);
  }

  .cert-logo-wall span {
    font-size: 0.76rem;
  }
}