:root {
  --ink: #10292d;
  --muted: #607276;
  --line: #dbe5e5;
  --paper: #f8fbfa;
  --white: #ffffff;
  --teal: #165b64;
  --teal-dark: #0d3c43;
  --aqua: #49b7bd;
  --coral: #e36d5b;
  --gold: #d6a84f;
  --shadow: 0 18px 48px rgba(16, 41, 45, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px 5vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 229, 229, 0.78);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  width: 164px;
  min-width: 140px;
}

.brand img {
  width: 164px;
  height: 48px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  color: #29494f;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  padding: 10px 0;
}

.nav-cta {
  padding: 10px 16px !important;
  color: var(--white);
  background: var(--teal);
  border-radius: 6px;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.menu-button span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.section {
  padding: 96px 5vw;
}

.section-dark {
  color: var(--white);
  background:
    linear-gradient(rgba(13, 60, 67, 0.88), rgba(13, 60, 67, 0.94)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 72px),
    var(--teal-dark);
}

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

.hero {
  min-height: 690px;
  display: grid;
  align-items: center;
  padding: 80px 5vw 68px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 56px;
  align-items: center;
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: 64px;
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
  line-height: 1.13;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: 0;
}

.hero-text,
.section-heading p,
.enterprise-copy p,
.contact-copy p,
.about-section p {
  color: var(--muted);
  font-size: 18px;
}

.section-dark .hero-text,
.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.78);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.button-primary {
  color: var(--white);
  background: var(--coral);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
}

.hero-panel {
  min-height: 430px;
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.hero-logo {
  width: 100%;
  height: 170px;
  object-fit: contain;
  margin: 18px auto 36px;
}

.signal-map {
  display: grid;
  gap: 12px;
}

.signal-map div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.signal-map span {
  color: rgba(255, 255, 255, 0.7);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.trust-strip div {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border-right: 1px solid var(--line);
  color: #2c5359;
  font-weight: 800;
  text-align: center;
}

.trust-strip div:last-child {
  border-right: 0;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading.compact {
  max-width: 720px;
}

.section-heading.light h2,
.section-heading.light p {
  color: var(--white);
}

.platform-diagram {
  max-width: 1060px;
  margin: 0 auto 44px;
  display: grid;
  grid-template-columns: 1fr 48px 1fr 48px 1fr 48px 1fr;
  align-items: center;
}

.diagram-step {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  font-weight: 850;
  text-align: center;
}

.diagram-step.accent {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.diagram-line {
  height: 2px;
  background: var(--aqua);
}

.feature-grid,
.solution-grid,
.audience-grid,
.model-grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  gap: 18px;
}

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

.feature-grid article,
.solution-grid article,
.audience-grid article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-grid article {
  box-shadow: var(--shadow);
}

.feature-grid p,
.solution-grid p,
.audience-grid p {
  color: var(--muted);
}

ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: #35595f;
}

li + li {
  margin-top: 8px;
}

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

.model-card {
  min-height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--teal);
  font-size: 24px;
  font-weight: 900;
  box-shadow: var(--shadow);
}

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

.solution-grid article {
  position: relative;
  min-height: 280px;
}

.solution-grid span {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 900;
}

.audience-section {
  padding-top: 86px;
  padding-bottom: 86px;
}

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

.audience-grid article {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.audience-grid h3,
.audience-grid p {
  color: var(--white);
}

.enterprise-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 54px;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

.enterprise-list {
  display: grid;
  gap: 14px;
}

.enterprise-list div {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-left: 4px solid var(--coral);
  background: var(--paper);
}

.enterprise-list strong {
  font-size: 18px;
}

.enterprise-list span {
  color: var(--muted);
}

.about-section {
  display: grid;
  grid-template-columns: 320px minmax(0, 760px);
  gap: 56px;
  align-items: center;
  justify-content: center;
}

.about-mark {
  width: 260px;
  height: 260px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.about-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.about-points span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: #31565c;
  font-size: 14px;
  font-weight: 750;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1fr);
  gap: 56px;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: #31565c;
  font-size: 14px;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cddbdc;
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  resize: vertical;
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 5vw;
  color: rgba(255, 255, 255, 0.76);
  background: #0b292e;
}

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

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

@media (max-width: 1040px) {
  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 36px;
  }

  .hero-grid,
  .enterprise-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .solution-grid,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .platform-diagram {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .diagram-line {
    width: 2px;
    height: 26px;
    margin: 0 auto;
  }
}

@media (max-width: 780px) {
  .site-header {
    min-height: 68px;
  }

  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 5vw 18px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 13px 0;
  }

  .nav-cta {
    text-align: center;
  }

  .section,
  .hero {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-grid {
    gap: 36px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-panel {
    min-height: 0;
    padding: 22px;
  }

  .hero-logo {
    height: 120px;
    margin-bottom: 24px;
  }

  .trust-strip,
  .model-grid,
  .feature-grid,
  .solution-grid,
  .audience-grid,
  .about-section,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-section {
    gap: 24px;
  }

  .about-mark {
    width: 180px;
    height: 180px;
  }

  .contact-section {
    gap: 32px;
  }

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

@media (max-width: 480px) {
  .brand,
  .brand img {
    width: 132px;
  }

  h1 {
    font-size: 36px;
  }

  h2 {
    font-size: 28px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .signal-map div {
    display: grid;
    gap: 4px;
  }
}