:root {
  --ink: #08243c;
  --ink-deep: #031827;
  --blue: #0a4c9a;
  --blue-bright: #0879d9;
  --green: #61e02f;
  --teal: #008ca3;
  --mint: #eafbe5;
  --ice: #f2f8fb;
  --white: #ffffff;
  --muted: #587080;
  --line: #d9e7ed;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-inter), Arial, sans-serif;
}

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

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

.skip-link {
  position: fixed;
  left: 18px;
  top: -90px;
  z-index: 100;
  padding: 12px 17px;
  border-radius: 8px;
  background: var(--ink-deep);
  color: white;
}

.skip-link:focus {
  top: 18px;
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.section-space {
  padding-block: 110px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(217, 231, 237, 0.82);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(1380px, calc(100% - 48px));
  min-height: 88px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: var(--font-manrope), Arial, sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand img {
  width: 70px;
  height: 56px;
  border-radius: 5px;
  object-fit: cover;
  object-position: center;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.8vw, 44px);
  font-size: 14px;
  font-weight: 700;
}

nav a {
  position: relative;
  padding-block: 12px;
}

nav a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 5px;
  width: 100%;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.nav-contact {
  padding: 10px 18px;
  border: 1.5px solid var(--blue);
  border-radius: 999px;
  color: var(--blue);
}

.hero {
  overflow: hidden;
  padding: 84px 0 38px;
  background:
    radial-gradient(circle at 83% 18%, rgba(97, 224, 47, 0.17), transparent 25%),
    radial-gradient(circle at 75% 70%, rgba(8, 121, 217, 0.17), transparent 28%),
    linear-gradient(135deg, #f8fcfd, #edf7fa);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 65px;
  min-height: 530px;
}

.eyebrow {
  margin: 0 0 19px;
  color: var(--blue-bright);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #8ef26a;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: var(--font-manrope), Arial, sans-serif;
}

h1 {
  max-width: 760px;
  margin-bottom: 25px;
  color: var(--ink-deep);
  font-size: clamp(48px, 5.4vw, 75px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

h1 span {
  color: var(--blue);
}

h2 {
  color: var(--ink-deep);
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 780;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

h3 {
  color: var(--ink);
  font-size: 24px;
  letter-spacing: -0.03em;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.hero-intro {
  max-width: 650px;
  margin: 0;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 37px;
}

.button {
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--font-manrope), Arial, sans-serif;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 15px 32px rgba(10, 76, 154, 0.24);
  color: white;
}

.button-green {
  background: var(--green);
  box-shadow: 0 15px 32px rgba(97, 224, 47, 0.2);
  color: var(--ink-deep);
}

.text-link {
  border-bottom: 1px solid #b8cbd3;
  color: var(--ink);
  font-weight: 750;
}

.hero-science {
  position: relative;
  min-height: 480px;
  display: grid;
  place-items: center;
}

.hero-science::before {
  content: "";
  position: absolute;
  width: 390px;
  height: 390px;
  border: 1px solid rgba(10, 76, 154, 0.13);
  border-radius: 50%;
}

.science-card {
  position: relative;
  z-index: 3;
  width: min(350px, 85%);
  padding: 35px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 30px 80px rgba(8, 36, 60, 0.13);
  backdrop-filter: blur(16px);
}

.science-card > span {
  display: inline-grid;
  width: 55px;
  height: 55px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: var(--ink-deep);
  font-weight: 900;
}

.science-card strong {
  display: block;
  color: var(--ink-deep);
  font-family: var(--font-manrope), Arial, sans-serif;
  font-size: 27px;
}

.science-card p {
  margin-bottom: 0;
}

.molecule {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 35px;
}

.molecule::before {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--blue), var(--green));
  transform: rotate(-17deg);
}

.molecule i {
  position: relative;
  z-index: 2;
  display: block;
  width: 28px;
  height: 28px;
  border: 6px solid white;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 7px 20px rgba(8, 36, 60, 0.18);
}

.molecule i:nth-child(even) {
  width: 38px;
  height: 38px;
  background: var(--green);
}

.molecule-one {
  right: -10px;
  top: 38px;
  transform: rotate(12deg);
}

.molecule-two {
  left: 0;
  bottom: 35px;
  transform: rotate(-24deg);
}

.hero-foot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 50px;
  border-top: 1px solid rgba(8, 36, 60, 0.1);
}

.hero-foot span {
  padding: 23px 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
}

.story {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 95px;
}

.story-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}

.story-copy .lead {
  margin-top: 0;
  color: var(--ink);
  font-size: 21px;
}

blockquote {
  position: relative;
  margin: 42px 0 0;
  padding: 35px 36px 34px 70px;
  border-radius: 18px;
  background: var(--ice);
  color: var(--ink);
  font-family: var(--font-manrope), Arial, sans-serif;
  font-size: 24px;
  font-weight: 700;
}

blockquote > span {
  position: absolute;
  left: 25px;
  top: 18px;
  color: var(--green);
  font-family: Georgia, serif;
  font-size: 65px;
}

blockquote cite {
  display: block;
  margin-top: 13px;
  color: var(--muted);
  font-family: var(--font-inter), Arial, sans-serif;
  font-size: 13px;
  font-style: normal;
  font-weight: 600;
}

.technology {
  background: var(--ink-deep);
}

.technology-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  align-items: center;
  gap: 105px;
}

.technology-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.technology-visual::before {
  content: "";
  position: absolute;
  inset: 7%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(97, 224, 47, 0.18), transparent 67%);
}

.image-frame {
  position: relative;
  z-index: 2;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
  transform: rotate(-2deg);
}

.image-frame img {
  width: 330px;
  border-radius: 17px;
}

.image-label {
  position: absolute;
  z-index: 3;
  right: -10px;
  bottom: 35px;
  max-width: 190px;
  padding: 13px 16px;
  border-radius: 10px;
  background: var(--green);
  color: var(--ink-deep);
  font-size: 11px;
  font-weight: 800;
}

.technology-copy h2 {
  color: white;
}

.technology-lead {
  color: #d3e2e9;
  font-size: 19px;
}

.science-points {
  display: grid;
  gap: 14px;
  margin: 33px 0;
}

.science-points > div {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 17px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.science-points span {
  color: var(--green);
  font-weight: 900;
}

.science-points p {
  margin: 0;
  color: #d3e2e9;
}

.medical-note {
  padding: 17px 19px;
  border-left: 3px solid var(--teal);
  background: rgba(255, 255, 255, 0.05);
  color: #9eb4be;
  font-size: 12px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 50px;
}

.section-heading h2,
.section-heading > p {
  margin-bottom: 0;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.research-grid article {
  min-height: 285px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, #fff, var(--ice));
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.research-grid article:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 50px rgba(8, 36, 60, 0.1);
}

.research-grid article > span {
  display: block;
  margin-bottom: 65px;
  color: var(--blue-bright);
  font-weight: 900;
}

.research-grid p {
  margin-bottom: 0;
}

.manifesto {
  padding-block: 34px;
  background: var(--green);
}

.manifesto .section-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.manifesto p {
  margin: 0;
  color: var(--ink-deep);
  font-family: var(--font-manrope), Arial, sans-serif;
  font-size: clamp(17px, 2vw, 25px);
  font-weight: 800;
}

.manifesto span {
  color: var(--blue);
  font-size: 24px;
}

.contact {
  background:
    radial-gradient(circle at 10% 100%, rgba(0, 140, 163, 0.24), transparent 35%),
    var(--blue);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  align-items: center;
  gap: 100px;
}

.contact h2 {
  color: white;
}

.contact-grid > div > p:not(.eyebrow) {
  max-width: 620px;
  color: #c8daf0;
  font-size: 18px;
}

.contact-card {
  display: grid;
  gap: 28px;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
}

.contact-card span,
.contact-card strong,
.contact-card a,
.contact-card small {
  display: block;
}

.contact-card span {
  margin-bottom: 8px;
  color: #a7c8ef;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-card strong,
.contact-card a {
  color: white;
  line-height: 1.6;
}

.contact-card a {
  font-weight: 800;
}

.contact-card small {
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #a7c8ef;
  line-height: 1.6;
}

footer {
  padding: 66px 0 28px;
  background: var(--ink-deep);
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 70px;
}

.footer-brand {
  color: white;
}

.footer-grid p {
  color: #9fb3bd;
}

.footer-grid > div:not(:first-child) {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  color: #bdccd3;
  font-size: 14px;
}

.footer-grid strong {
  margin-bottom: 5px;
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  margin-top: 55px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: #718a96;
  font-size: 11px;
}

a:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
  border-radius: 5px;
}

@media (max-width: 1000px) {
  nav {
    display: none;
  }

  .nav-shell {
    min-height: 74px;
  }

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

  .hero-science {
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  .section-shell,
  .nav-shell {
    width: min(100% - 30px, 1180px);
  }

  .section-space {
    padding-block: 75px;
  }

  .story,
  .technology-grid,
  .section-heading,
  .research-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .story,
  .technology-grid,
  .section-heading,
  .contact-grid {
    gap: 45px;
  }

  .story-heading {
    position: static;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-foot {
    grid-template-columns: repeat(2, 1fr);
  }

  .technology-visual {
    min-height: 460px;
  }

  .manifesto .section-shell {
    flex-direction: column;
    gap: 9px;
  }

  .manifesto span {
    transform: rotate(45deg);
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .button {
    width: 100%;
  }

  .hero-science {
    min-height: 360px;
  }

  .science-card {
    padding: 28px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}