:root {
  --navy: #0b3a82;
  --navy-deep: #071e44;
  --ink-bottom: #05162f;
  --blue: #1565c0;
  --cyan: #12c2e9;
  --cyan-soft: #d8f6fc;
  --ink: #142033;
  --muted: #3d4c63;
  --line: #d7e0ec;
  --paper: #f3f6fa;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(7, 30, 68, 0.08);
  --radius: 18px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

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

h1,
h2,
h3,
.brand-name,
.btn,
.kicker,
.index {
  font-family: Manrope, "Segoe UI", sans-serif;
}

h1,
h2,
h3 {
  line-height: 1.2;
  font-weight: 800;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--navy);
}

address {
  font-style: normal;
}

:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--navy);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 80;
  background: #ffffff;
  color: var(--navy-deep);
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

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

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.topbar {
  background: var(--ink-bottom);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  padding: 8px 0;
}

.topbar p {
  margin: 0;
  display: flex;
  gap: 8px 16px;
  flex-wrap: wrap;
}

.topbar a {
  color: #ffffff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--navy-deep);
  color: #ffffff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
  min-width: 0;
}

.brand img {
  width: 74px;
  height: 48px;
  object-fit: cover;
  object-position: center 16%;
  mix-blend-mode: screen;
  flex: 0 0 auto;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name strong {
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.brand-name small {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.78rem;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  background: transparent;
  color: #ffffff;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 20px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bars::before {
  top: -7px;
}

.nav-toggle-bars::after {
  top: 7px;
}

.site-header.is-open .nav-toggle-bars {
  background: transparent;
}

.site-header.is-open .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.site-header.is-open .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.12);
}

.site-nav a.nav-cta {
  background: var(--cyan);
  color: var(--navy-deep);
  margin-left: 6px;
}

.site-nav a.nav-cta:hover,
.site-nav a.nav-cta[aria-current="page"] {
  background: #8ae8f8;
}

.hero {
  background:
    radial-gradient(820px 380px at 100% 0%, rgba(18, 194, 233, 0.28), transparent 58%),
    linear-gradient(165deg, var(--navy-deep) 0%, var(--navy) 78%);
  color: #ffffff;
  padding: 56px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: 36px;
  align-items: center;
}

.kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .kicker {
  color: var(--cyan);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 2px solid transparent;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  font-size: 1rem;
}

.btn-cyan {
  background: var(--cyan);
  color: var(--navy-deep);
}

.btn-cyan:hover {
  background: #8ae8f8;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.75);
  color: #ffffff;
  background: transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-navy {
  background: var(--navy);
  color: #ffffff;
}

.btn-navy:hover {
  background: var(--navy-deep);
}

.hero-mark {
  justify-self: end;
  width: min(320px, 100%);
  mix-blend-mode: screen;
}

.section {
  padding: 64px 0;
}

.sheet {
  margin-top: -42px;
  position: relative;
  z-index: 2;
  padding-top: 0;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.section-head {
  max-width: 68ch;
  margin-bottom: 26px;
}

.section-head h2,
.band h2,
.section > .container > h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  letter-spacing: -0.02em;
}

.section-head p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.product-card {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  background: var(--white);
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  min-height: 100%;
}

.product-card:nth-child(4) {
  grid-column: 2 / span 2;
}

.product-card:nth-child(5) {
  grid-column: 4 / span 2;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7fafc;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  flex: 1;
}

.product-card h3 {
  margin: 0;
  font-size: 1.12rem;
}

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

.index {
  color: var(--blue);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.more {
  margin-top: auto;
  padding-top: 10px;
  color: var(--navy);
  font-weight: 800;
}

.product-card:hover {
  border-color: var(--blue);
}

.band {
  background: var(--white);
}

.use-grid,
.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.use-grid li,
.step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.band .use-grid li {
  background: var(--paper);
}

.step {
  border-top: 4px solid var(--cyan);
  background: var(--white);
}

.use-grid h3,
.step h3 {
  margin: 6px 0 8px;
  font-size: 1.15rem;
}

.use-grid p,
.step p {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.frame {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7fafc;
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
}

.plain-list li + li {
  margin-top: 6px;
}

.cta-band {
  background:
    radial-gradient(520px 180px at 0% 100%, rgba(18, 194, 233, 0.22), transparent 70%),
    var(--navy-deep);
  color: #ffffff;
  padding: 56px 0;
}

.cta-band h2 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.cta-band p {
  max-width: 62ch;
  color: rgba(255, 255, 255, 0.9);
}

.page-hero {
  background: var(--navy-deep);
  color: #ffffff;
  padding: 36px 0 32px;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.page-hero .lede {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 0.95rem;
}

.breadcrumb a {
  color: #ffffff;
}

.line-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.line-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
}

.line-nav a[aria-current="page"] {
  background: var(--navy);
  border-color: var(--navy);
  color: #ffffff;
}

.detail {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.7fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 36px;
}

.sidecard {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--cyan);
  border-radius: 16px;
  padding: 20px;
}

.sidecard h2,
.block-title {
  margin: 0 0 12px;
  font-size: 1.25rem;
}

.gallery {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}

.gallery-item {
  display: block;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #f7fafc;
}

.lightbox {
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  border: 0;
  padding: 12px;
  background: #ffffff;
  border-radius: 16px;
}

.lightbox[open] {
  display: flex;
  flex-direction: column;
}

.lightbox::backdrop {
  background: rgba(5, 22, 47, 0.88);
}

.lightbox img {
  width: 100%;
  max-height: calc(100vh - 110px);
  object-fit: contain;
  background: #f7fafc;
}

.lightbox-close {
  display: inline-flex;
  align-self: flex-end;
  margin: 0 0 8px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.notice {
  margin-top: 22px;
  background: var(--cyan-soft);
  color: var(--ink);
  border-radius: 12px;
  padding: 14px 16px;
}

.catalog-list {
  display: grid;
  gap: 16px;
}

.catalog-row {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 8px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.catalog-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7fafc;
}

.catalog-copy {
  padding: 22px 22px 22px 0;
}

.catalog-copy h2 {
  margin: 4px 0 8px;
  font-size: 1.45rem;
}

.catalog-copy h2 a {
  color: inherit;
  text-decoration: none;
}

.catalog-copy h2 a:hover {
  text-decoration: underline;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  align-items: start;
}

.contact-card,
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.contact-card h2,
.form-card h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
}

.contact-card a {
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 700;
}

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

.field span {
  font-size: 0.95rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #c5d0de;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 500;
  color: var(--ink);
  background: #ffffff;
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note,
.muted {
  color: var(--muted);
}

.form-status {
  margin: 0;
  background: #e5f6ec;
  color: #0d4b2c;
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
}

.site-footer {
  background: var(--ink-bottom);
  color: rgba(255, 255, 255, 0.86);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 1fr 1fr;
  gap: 28px;
  padding: 46px 0 24px;
}

.site-footer h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  color: #ffffff;
}

.site-footer p,
.site-footer li {
  color: rgba(255, 255, 255, 0.86);
}

.site-footer a {
  color: #ffffff;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li + li {
  margin-top: 7px;
}

.footer-brand p {
  max-width: 36ch;
}

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 0 28px;
  font-size: 0.92rem;
}

.footer-base p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .detail,
  .contact-grid,
  .catalog-row,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero-mark {
    justify-self: start;
    width: min(240px, 70%);
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-card,
  .product-card:nth-child(4),
  .product-card:nth-child(5) {
    grid-column: auto;
  }

  .catalog-copy {
    padding: 4px 18px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 16px 16px;
    background: var(--navy-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a.nav-cta {
    margin-left: 0;
    text-align: center;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(1120px, calc(100% - 28px));
  }

  .panel {
    padding: 18px;
  }

  .product-grid,
  .use-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 36px 0 64px;
  }

  .section {
    padding: 42px 0;
  }

  .brand-name small {
    display: none;
  }

  .topbar-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}