:root {
  --ink: #071329;
  --navy: #081c32;
  --deep: #02121d;
  --blue: #168fc5;
  --cyan: #27b8e6;
  --teal: #39c7bc;
  --mint: #dff8f4;
  --coral: #ee7861;
  --line: #dbe6ee;
  --muted: #536071;
  --soft: #f5f9fb;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(7, 19, 41, 0.16);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 84px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 230, 238, 0.9);
  backdrop-filter: blur(14px);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 36px rgba(7, 19, 41, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: auto;
  max-height: 80px;
  object-fit: contain;
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  border-radius: 50%;
  font-weight: 800;
  font-size: 13px;
}

.brand-name {
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  color: #1b3a63;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 3vw, 34px);
  color: #162341;
  font-size: 14px;
  font-weight: 600;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-cta,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0;
  white-space: nowrap;
}

.header-cta {
  color: var(--navy);
  border: 1.5px solid var(--navy);
  background: var(--white);
}

.icon-button,
.circle-control {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.icon-button svg,
.circle-control svg,
.benefit-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-button:hover {
  background: var(--soft);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

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

.hero {
  position: relative;
  min-height: clamp(480px, 60vh, 640px);
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 66% 26%, rgba(39, 184, 230, 0.15), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(57, 199, 188, 0.1), transparent 20%),
    linear-gradient(115deg, #ffffff 0%, #f5f9fb 48%, #eef5f9 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
  mix-blend-mode: multiply;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: center;
  gap: clamp(24px, 4vw, 48px);
  width: min(var(--max), calc(100% - 48px));
  min-height: inherit;
  margin: 0 auto;
  padding: 40px 0 60px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 24px;
  font-family: "Michroma", "Segoe UI", Inter, Arial, sans-serif;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 span {
  display: block;
  color: var(--navy);
}

.hero-lede {
  max-width: 685px;
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8;
}

.hero-lede-strong {
  color: var(--navy);
  font-weight: 700;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.primary-button {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  box-shadow: 0 18px 36px rgba(22, 143, 197, 0.28);
}

.primary-button:hover,
.header-cta:hover {
  transform: translateY(-1px);
}

.secondary-button {
  color: var(--navy);
  border: 1px solid rgba(8, 28, 50, 0.2);
  background: transparent;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.hero-visual img {
  position: relative;
  z-index: 2;
  width: min(400px, 100%);
  margin-inline: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(7, 19, 41, 0.08);
  background: var(--white);
}

.product-placeholder {
  position: absolute;
  inset: 12% 2% auto;
  display: none;
  height: 360px;
  pointer-events: none;
}

.hero-visual.image-missing .product-placeholder {
  display: block;
}

.vial {
  position: absolute;
  width: 280px;
  height: 86px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.24)),
    linear-gradient(#eaf7fb, #b7cbd6);
  box-shadow: 0 34px 60px rgba(0, 0, 0, 0.3);
}

.vial-one {
  top: 32px;
  right: 58px;
  transform: rotate(-18deg);
}

.vial-two {
  top: 176px;
  left: 34px;
  transform: rotate(15deg);
}

.vial-cap {
  position: absolute;
  top: 11px;
  right: 18px;
  width: 48px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(#c8d2d9, #8997a1);
}

.vial-label {
  position: absolute;
  top: 17px;
  left: 74px;
  display: grid;
  width: 118px;
  height: 52px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, #103b67, var(--blue));
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.hero-network {
  position: absolute;
  inset: 0;
  opacity: 0.65;
  pointer-events: none;
}

.hero-network::before,
.hero-network::after {
  position: absolute;
  width: 520px;
  height: 2px;
  background: rgba(39, 184, 230, 0.2);
  content: "";
  transform: rotate(-31deg);
}

.hero-network::before {
  top: 24%;
  left: 7%;
}

.hero-network::after {
  right: 9%;
  bottom: 24%;
}

.node {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(39, 184, 230, 0.64);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 18px rgba(39, 184, 230, 0.4);
  filter: blur(4px);
}

.node-a {
  top: 22%;
  left: 15%;
}

.node-b {
  top: 35%;
  left: 43%;
}

.node-c {
  right: 18%;
  top: 18%;
}

.node-d {
  right: 31%;
  bottom: 23%;
}

.hero-controls {
  position: absolute;
  z-index: 3;
  bottom: 34px;
  left: max(24px, calc((100vw - var(--max)) / 2));
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-weight: 600;
}

.circle-control {
  color: var(--navy);
  border: 1px solid rgba(8, 28, 50, 0.2);
}

.circle-control:hover {
  background: rgba(0, 0, 0, 0.05);
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(42px, 6vw, 92px);
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(62px, 8vw, 94px) 0;
}

.section-copy h2,
.care-heading h2,
.cta-section h2 {
  margin: 0 0 18px;
  font-family: "Michroma", "Segoe UI", Inter, Arial, sans-serif;
  color: var(--navy);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.3;
  text-transform: uppercase;
}

.section-copy h3 {
  margin: 0 0 20px;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.32;
}

.section-copy p,
.benefit-item p,
.care-grid p,
.cta-section p,
.site-footer {
  color: var(--muted);
  font-size: 15px;
}

.section-copy p {
  max-width: 680px;
  margin: 0 0 20px;
}

.benefit-list {
  display: grid;
  gap: 28px;
}

.benefit-item {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 22px;
  align-items: start;
}

.benefit-icon {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border: 7px solid #e6f6fb;
  border-radius: 50%;
  box-shadow: 0 14px 28px rgba(22, 143, 197, 0.18);
}

.benefit-icon svg {
  width: 34px;
  height: 34px;
  stroke-width: 1.8;
}

.benefit-item h4 {
  margin: 4px 0 4px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}

.benefit-item p {
  margin: 0;
}

.care-section {
  background: var(--soft);
  padding: clamp(62px, 8vw, 92px) 24px;
}

.care-heading {
  width: min(var(--max), 100%);
  margin: 0 auto 34px;
}

.care-heading h2 {
  max-width: 760px;
}

.care-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.care-grid article {
  min-height: 246px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(7, 19, 41, 0.06);
}

.care-grid span {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--coral);
  font-weight: 800;
}

.care-grid h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.care-grid p {
  margin: 0;
}

.cta-section {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  width: min(var(--max), calc(100% - 48px));
  margin: clamp(62px, 8vw, 92px) auto;
  padding: clamp(30px, 5vw, 48px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(2, 18, 29, 0.92), rgba(8, 43, 63, 0.9)),
    radial-gradient(circle at 92% 16%, rgba(57, 199, 188, 0.34), transparent 26%);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

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

.cta-section h2 {
  max-width: 720px;
}

.cta-section p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.primary-button-dark {
  background: var(--white);
  color: var(--navy);
  box-shadow: none;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px 24px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  text-align: center;
}

.footer-logo img {
  max-height: 120px;
  width: auto;
  margin-bottom: 12px;
}

.site-footer p {
  margin: 0;
}

.result-section {
  position: relative;
  overflow: hidden;
  padding: clamp(62px, 8vw, 94px) 24px;
  background:
    radial-gradient(circle at 66% 26%, rgba(39, 184, 230, 0.15), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(57, 199, 188, 0.1), transparent 20%),
    linear-gradient(115deg, #ffffff 0%, #f5f9fb 48%, #eef5f9 100%);
  text-align: center;
}

.result-container {
  position: relative;
  z-index: 2;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.result-container h2 {
  margin: 0 0 40px;
  font-family: "Michroma", "Segoe UI", Inter, Arial, sans-serif;
  color: var(--navy);
  font-size: clamp(24px, 3vw, 38px);
  text-transform: uppercase;
}

.result-container img {
  display: block;
  margin: 0 auto;
  max-width: 600px;
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(7, 19, 41, 0.08);
}

@media (max-width: 980px) {

  .menu-toggle {
    display: block;
  }

  .site-nav,
  .header-actions {
    grid-column: 1 / -1;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 0;
    border-top: 1px solid var(--line);
  }

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

  .site-nav a {
    padding: 12px 4px;
  }

  .header-actions {
    display: none;
  }

  .hero-inner,
  .intro-section {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-top: 46px;
  }

  .hero-visual {
    min-height: 310px;
  }

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

  .cta-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 64px;
  }

  .brand-logo {
    max-height: 48px;
  }

  .brand-name {
    font-size: 19px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner,
  .intro-section,
  .cta-section {
    width: min(100% - 32px, var(--max));
  }

  .hero-inner {
    gap: 24px;
    padding: 44px 0 104px;
  }

  .hero h1 {
    font-size: clamp(22px, 7vw, 32px);
  }

  .section-copy h2,
  .care-heading h2,
  .cta-section h2,
  .result-container h2 {
    font-size: clamp(22px, 7vw, 32px);
  }

  .hero-buttons {
    display: grid;
  }

  .primary-button,
  .secondary-button,
  .header-cta {
    width: 100%;
  }

  .product-placeholder {
    height: 260px;
  }

  .vial {
    width: 220px;
    height: 72px;
  }

  .vial-label {
    left: 58px;
    width: 100px;
    height: 42px;
    font-size: 10px;
  }

  .vial-cap {
    top: 10px;
    right: 14px;
    width: 38px;
    height: 52px;
  }

  .vial-one {
    right: 8px;
  }

  .vial-two {
    left: 0;
  }

  .hero-controls {
    left: 18px;
  }

  .benefit-item {
    grid-template-columns: 58px 1fr;
    gap: 16px;
  }

  .benefit-icon {
    width: 58px;
    height: 58px;
    border-width: 5px;
  }

  .benefit-icon svg {
    width: 26px;
    height: 26px;
  }

  .care-grid article {
    min-height: 210px;
  }

}