/* =========================================================
   GLOBAL HEALTH EXPLORERS
   GLOBAL HEALTH INNOVATION
   Production CSS
   ---------------------------------------------------------
   Learning journey:
   CURIOSITY → PROBLEM → EVIDENCE → IDEA
   → PROTOTYPE → IMPACT → RESPONSIBLE INNOVATION
========================================================= */


/* =========================================================
   ROOT
========================================================= */

:root {
  --inv-navy: #0b2d4d;
  --inv-navy-deep: #071f36;
  --inv-blue: #1769aa;
  --inv-cyan: #18a8c9;
  --inv-cyan-light: #75d9e8;
  --inv-green: #23845d;
  --inv-teal: #137d7b;
  --inv-gold: #d69a27;
  --inv-purple: #6846a5;

  --inv-bg: #f5f8fb;
  --inv-white: #ffffff;
  --inv-text: #17324d;
  --inv-muted: #60758a;
  --inv-border: #dbe5ec;

  --inv-shadow:
    0 18px 45px rgba(11, 45, 77, 0.10);

  --inv-shadow-soft:
    0 8px 25px rgba(11, 45, 77, 0.06);

  --inv-radius: 22px;
  --inv-radius-lg: 30px;

  --inv-max: 1180px;
}


/* =========================================================
   RESET
========================================================= */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    "Segoe UI",
    Arial,
    sans-serif;
  color: var(--inv-text);
  background: var(--inv-bg);
  line-height: 1.65;
}

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

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

button {
  font: inherit;
}


/* =========================================================
   GLOBAL CONTAINER / SECTIONS
========================================================= */

.inv-container {
  width: min(var(--inv-max), calc(100% - 40px));
  margin: 0 auto;
}

.inv-section {
  padding: 90px 0;
}

.inv-light-section {
  background: var(--inv-white);
}

.inv-kicker {
  margin: 0 0 12px;
  color: var(--inv-cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.inv-section-heading {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: center;
}

.inv-section-heading h2 {
  margin: 0 0 18px;
  color: var(--inv-navy);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.inv-section-heading p {
  margin: 0;
  color: var(--inv-muted);
  font-size: 1.05rem;
}


/* =========================================================
   HEADER
========================================================= */

.inv-header {
  position: sticky;
  top: 0;
  z-index: 1000;

  background: rgba(11, 45, 77, 0.97);

  box-shadow:
    0 4px 18px rgba(0, 0, 0, 0.10);

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.inv-header-inner {
  width: min(1240px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 24px;
}

.inv-brand {
  display: flex;
  align-items: center;
  gap: 10px;

  color: #fff;
  white-space: nowrap;
}

.inv-brand-mark {
  display: grid;
  place-items: center;

  width: 42px;
  height: 42px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);

  font-size: 0.75rem;
  font-weight: 800;
}

.inv-brand-text {
  font-size: 0.95rem;
  font-weight: 700;
}

.inv-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;

  flex-wrap: wrap;
  gap: 6px;
}

.inv-nav a {
  padding: 8px 12px;

  border-radius: 999px;

  color: rgba(255, 255, 255, 0.84);

  font-size: 0.82rem;
  font-weight: 600;

  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.inv-nav a:hover,
.inv-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.13);
}

.inv-nav a:hover {
  transform: translateY(-1px);
}


/* =========================================================
   HERO
========================================================= */

.inv-hero {
  position: relative;

  min-height: 650px;
  overflow: hidden;

  display: grid;
  place-items: center;

  background:
    radial-gradient(
      circle at 15% 20%,
      rgba(24, 168, 201, 0.22),
      transparent 30%
    ),
    radial-gradient(
      circle at 85% 70%,
      rgba(104, 70, 165, 0.20),
      transparent 30%
    ),
    linear-gradient(
      135deg,
      #071f36,
      #0b2d4d 55%,
      #123f62
    );

  color: #fff;
}

.inv-hero::before {
  content: "";

  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.025) 50%,
      transparent 100%
    );

  pointer-events: none;
}

.inv-hero-content {
  position: relative;
  z-index: 5;

  width: min(820px, calc(100% - 40px));

  text-align: center;
}

.inv-eyebrow {
  margin: 0 0 18px;

  color: #8fe4f2;

  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  line-height: 1.3;
  text-transform: uppercase;
}

.inv-hero h1 {
  margin: 0;

  font-size: clamp(3.2rem, 8vw, 6.2rem);
  line-height: 0.96;

  letter-spacing: -0.045em;
}

.inv-hero h1 span {
  color: var(--inv-cyan-light);
}

.inv-hero-lead {
  max-width: 700px;
  margin: 30px auto;

  color: rgba(255, 255, 255, 0.86);

  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.7;
}

.inv-hero-actions {
  display: flex;
  justify-content: center;

  flex-wrap: wrap;
  gap: 12px;
}


/* =========================================================
   BUTTONS
========================================================= */

.inv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 48px;
  padding: 12px 22px;

  border-radius: 999px;

  font-weight: 800;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.inv-btn:hover {
  transform: translateY(-2px);
}

.inv-btn-primary {
  background: #fff;
  color: var(--inv-navy);

  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.15);
}

.inv-btn-primary:hover {
  box-shadow:
    0 14px 32px rgba(0, 0, 0, 0.20);
}

.inv-btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.32);

  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.inv-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.inv-btn-light {
  background: #fff;
  color: var(--inv-navy);
}


/* =========================================================
   HERO ORBITS
========================================================= */

.inv-hero-orbit {
  position: absolute;

  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 50%;

  pointer-events: none;
}

.inv-orbit-one {
  width: 600px;
  height: 600px;
}

.inv-orbit-two {
  width: 850px;
  height: 850px;
}

.inv-orbit-three {
  width: 1100px;
  height: 1100px;
}

.inv-node {
  position: absolute;
  z-index: 2;

  display: grid;
  place-items: center;

  width: 54px;
  height: 54px;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.25);

  color: #fff;
  font-weight: 800;

  box-shadow:
    0 0 35px rgba(80, 200, 220, 0.15);
}

.inv-node-one {
  top: 19%;
  left: 17%;
}

.inv-node-two {
  top: 28%;
  right: 18%;
}

.inv-node-three {
  bottom: 18%;
  left: 22%;
}

.inv-node-four {
  bottom: 23%;
  right: 24%;
}

.inv-node-five {
  top: 47%;
  right: 8%;
}


/* =========================================================
   INNOVATION PATHWAY
   curiosity → problem → evidence → idea
   → prototype → impact → responsible innovation
========================================================= */

.inv-pathway {
  display: flex;
  align-items: stretch;
  justify-content: center;

  gap: 8px;
  flex-wrap: wrap;
}

.inv-path-step {
  position: relative;

  flex: 1 1 120px;
  min-width: 115px;

  padding: 18px 12px;

  background: #fff;
  border: 1px solid var(--inv-border);
  border-radius: 16px;

  text-align: center;

  box-shadow:
    0 8px 25px rgba(11, 45, 77, 0.05);

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.inv-path-step:hover {
  transform: translateY(-3px);

  box-shadow:
    0 14px 30px rgba(11, 45, 77, 0.09);
}

.inv-path-step span {
  display: block;

  margin-bottom: 5px;

  color: var(--inv-cyan);

  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.inv-path-step strong {
  display: block;

  color: var(--inv-navy);

  font-size: 0.92rem;
  line-height: 1.25;
}

.inv-path-step small {
  display: block;

  margin-top: 5px;

  color: var(--inv-muted);

  font-size: 0.72rem;
  line-height: 1.4;
}

.inv-path-arrow {
  align-self: center;

  color: var(--inv-cyan);

  font-size: 1.3rem;
  font-weight: 800;
}

.inv-path-responsible {
  border-color: rgba(35, 132, 93, 0.35);
}


/* =========================================================
   TWO-COLUMN FEATURE
========================================================= */

.inv-two-column {
  display: grid;

  grid-template-columns: 1.4fr 0.8fr;

  gap: 60px;
  align-items: center;
}

.inv-two-column h2 {
  margin: 0 0 20px;

  color: var(--inv-navy);

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;

  letter-spacing: -0.025em;
}

.inv-two-column p {
  color: var(--inv-muted);
}

.inv-principle-card {
  padding: 38px;

  border-radius: var(--inv-radius);

  background:
    linear-gradient(
      145deg,
      #eef8fb,
      #f5f2fb
    );

  box-shadow: var(--inv-shadow);
}

.inv-principle-icon {
  margin-bottom: 15px;

  font-size: 2.5rem;
}

.inv-principle-card h3 {
  margin: 0 0 10px;

  color: var(--inv-navy);

  font-size: 1.4rem;
}

.inv-principle-card p {
  margin-bottom: 0;
}


/* =========================================================
   WHY INNOVATION / FOUR WORLDS
========================================================= */

.inv-world-grid {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 24px;
}

.inv-world-card {
  position: relative;

  padding: 36px;

  border-radius: var(--inv-radius);

  background: #fff;
  border: 1px solid var(--inv-border);

  box-shadow: var(--inv-shadow);

  overflow: hidden;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.inv-world-card:hover {
  transform: translateY(-4px);

  box-shadow:
    0 22px 48px rgba(11, 45, 77, 0.13);
}

.inv-world-card::after {
  content: "";

  position: absolute;

  width: 180px;
  height: 180px;

  top: -80px;
  right: -80px;

  border-radius: 50%;

  opacity: 0.08;

  pointer-events: none;
}

.inv-world-biomedical::after {
  background: var(--inv-green);
}

.inv-world-data::after {
  background: var(--inv-blue);
}

.inv-world-systems::after {
  background: var(--inv-gold);
}

.inv-world-people::after {
  background: var(--inv-purple);
}

.inv-world-icon {
  position: relative;
  z-index: 1;

  font-size: 2.8rem;
}

.inv-world-number {
  position: relative;
  z-index: 1;

  margin: 14px 0 4px;

  color: var(--inv-cyan);

  font-size: 0.7rem;
  font-weight: 800;

  letter-spacing: 0.15em;
}

.inv-world-card h3 {
  position: relative;
  z-index: 1;

  margin: 0 0 12px;

  color: var(--inv-navy);

  font-size: 1.65rem;
}

.inv-world-card > p:not(.inv-world-number) {
  position: relative;
  z-index: 1;

  color: var(--inv-muted);
}

.inv-world-card ul {
  position: relative;
  z-index: 1;

  margin: 22px 0;
  padding-left: 20px;

  color: var(--inv-text);
}

.inv-world-card li {
  margin: 7px 0;
}

.inv-world-link {
  position: relative;
  z-index: 1;

  display: inline-block;

  margin-top: 5px;

  color: var(--inv-blue);

  font-weight: 800;
}

.inv-world-link:hover {
  color: var(--inv-cyan);
}


/* =========================================================
   SCIENCE / EVIDENCE
========================================================= */

.inv-science-section {
  background: #eef7fa;
}

.inv-science-panel {
  position: relative;
  overflow: hidden;

  padding: 65px;

  border-radius: var(--inv-radius-lg);

  background:
    radial-gradient(
      circle at 80% 20%,
      rgba(24, 168, 201, 0.18),
      transparent 30%
    ),
    linear-gradient(
      135deg,
      var(--inv-navy),
      #123f62
    );

  color: #fff;

  box-shadow: var(--inv-shadow);
}

.inv-science-content {
  position: relative;
  z-index: 1;

  max-width: 900px;
}

.inv-science-content h2 {
  margin: 0 0 18px;

  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
}

.inv-science-content p {
  color: rgba(255, 255, 255, 0.82);
}

.inv-science-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;

  gap: 10px;

  margin-top: 28px;
}

.inv-science-chain span {
  padding: 8px 14px;

  border-radius: 999px;

  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.16);

  color: rgba(255, 255, 255, 0.92);
}

.inv-science-chain b {
  color: #7ce0ed;
}


/* =========================================================
   DATA → DECISION BRIDGE
========================================================= */

.inv-data-bridge {
  background: #fff;
}

.inv-bridge {
  display: grid;

  grid-template-columns:
    1fr auto
    1fr auto
    1fr auto
    1fr;

  gap: 15px;

  align-items: center;
}

.inv-bridge-step {
  padding: 24px;

  border: 1px solid var(--inv-border);
  border-radius: 18px;

  background: var(--inv-bg);

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.inv-bridge-step:hover {
  transform: translateY(-3px);

  box-shadow:
    var(--inv-shadow-soft);
}

.inv-bridge-step span {
  color: var(--inv-cyan);

  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.inv-bridge-step strong {
  display: block;

  margin-top: 7px;

  color: var(--inv-navy);
}

.inv-bridge-step p {
  margin-bottom: 0;

  color: var(--inv-muted);

  font-size: 0.9rem;
}

.inv-bridge-arrow {
  color: var(--inv-cyan);

  font-size: 1.5rem;
  font-weight: 800;
}

.inv-bridge-action {
  margin-top: 35px;

  text-align: center;
}


/* =========================================================
   GENOMICS & PRECISION MEDICINE
========================================================= */

.inv-precision-section {
  background:
    linear-gradient(
      180deg,
      #f5f8fb 0%,
      #eef7fa 100%
    );
}

.inv-precision-card {
  display: grid;

  grid-template-columns: 1.25fr 0.75fr;

  gap: 0;

  overflow: hidden;

  border-radius: var(--inv-radius-lg);

  background: #fff;

  border: 1px solid var(--inv-border);

  box-shadow: var(--inv-shadow);
}

.inv-precision-content {
  padding: 52px;
}

.inv-precision-content h2 {
  margin: 0 0 18px;

  color: var(--inv-navy);

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.inv-precision-content p {
  color: var(--inv-muted);
}

.inv-precision-content strong {
  color: var(--inv-navy);
}

.inv-precision-list {
  display: grid;

  gap: 10px;

  margin: 28px 0 0;
  padding: 0;

  list-style: none;
}

.inv-precision-list li {
  position: relative;

  padding: 12px 14px 12px 38px;

  border-radius: 12px;

  background: #f5f9fb;

  color: var(--inv-text);
}

.inv-precision-list li::before {
  content: "✓";

  position: absolute;
  left: 14px;
  top: 10px;

  color: var(--inv-green);

  font-weight: 900;
}

.inv-precision-side {
  display: grid;
  place-items: center;

  min-height: 100%;

  padding: 45px;

  background:
    radial-gradient(
      circle at center,
      rgba(24, 168, 201, 0.18),
      transparent 60%
    ),
    linear-gradient(
      145deg,
      #0b2d4d,
      #137d7b
    );

  color: #fff;

  text-align: center;
}

.inv-precision-symbol {
  font-size: 5rem;

  line-height: 1;

  margin-bottom: 18px;
}

.inv-precision-side strong {
  display: block;

  font-size: 1.25rem;
}

.inv-precision-side span {
  display: block;

  margin-top: 8px;

  color: rgba(255, 255, 255, 0.76);

  font-size: 0.9rem;
}


/* =========================================================
   RESPONSIBLE INNOVATION
========================================================= */

.inv-responsible-section {
  background: #f0f7f3;
}

.inv-responsible-grid {
  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 18px;
}

.inv-responsible-card {
  padding: 28px;

  border-radius: 18px;

  background: #fff;

  border: 1px solid rgba(35, 132, 93, 0.16);

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.inv-responsible-card:hover {
  transform: translateY(-3px);

  box-shadow:
    var(--inv-shadow-soft);
}

.inv-responsible-card span {
  color: var(--inv-green);

  font-size: 0.75rem;
  font-weight: 800;

  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.inv-responsible-card h3 {
  margin: 8px 0;

  color: var(--inv-navy);

  font-size: 1.25rem;
}

.inv-responsible-card p {
  margin: 0;

  color: var(--inv-muted);
}


/* =========================================================
   BUILD / PROTOTYPE
========================================================= */

.inv-build-section {
  background: #fff;
}

.inv-build-card {
  display: grid;

  grid-template-columns: 1.5fr 0.6fr;

  overflow: hidden;

  border-radius: var(--inv-radius-lg);

  background:
    linear-gradient(
      135deg,
      var(--inv-navy),
      var(--inv-blue)
    );

  color: #fff;

  box-shadow: var(--inv-shadow);
}

.inv-build-content {
  padding: 55px;
}

.inv-build-content h2 {
  margin: 0 0 18px;

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.inv-build-content > p {
  color: rgba(255, 255, 255, 0.82);
}

.inv-build-questions {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 12px;

  margin-top: 30px;
}

.inv-build-questions div {
  padding: 16px;

  border-radius: 14px;

  background: rgba(255, 255, 255, 0.08);

  border: 1px solid rgba(255, 255, 255, 0.08);
}

.inv-build-questions strong,
.inv-build-questions span {
  display: block;
}

.inv-build-questions span {
  margin-top: 4px;

  color: rgba(255, 255, 255, 0.75);

  font-size: 0.88rem;
}

.inv-build-side {
  display: grid;
  place-items: center;

  padding: 35px;

  text-align: center;

  background: rgba(255, 255, 255, 0.08);
}

.inv-build-symbol {
  font-size: 5rem;

  line-height: 1;
}


/* =========================================================
   KNOWLEDGE CHECK
========================================================= */

.inv-check-section {
  background: var(--inv-bg);
}

.inv-check-card {
  max-width: 850px;

  margin: 0 auto;

  padding: 48px;

  background: #fff;

  border-radius: var(--inv-radius);

  box-shadow: var(--inv-shadow);
}

.inv-check-card h2 {
  margin: 0 0 28px;

  color: var(--inv-navy);
}

.inv-check-options {
  display: grid;

  gap: 10px;
}

.inv-check-options button {
  width: 100%;

  padding: 15px 18px;

  border: 1px solid var(--inv-border);
  border-radius: 12px;

  background: #fff;

  color: var(--inv-text);

  text-align: left;

  cursor: pointer;

  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.inv-check-options button:hover {
  border-color: var(--inv-cyan);

  background: #f1fbfd;

  transform: translateX(2px);
}

.inv-check-options button:focus-visible {
  outline: 3px solid rgba(24, 168, 201, 0.25);
  outline-offset: 2px;
}

.inv-check-note {
  margin: 22px 0 0;

  color: var(--inv-muted);

  font-size: 0.9rem;
}


/* =========================================================
   YOUNG VOICES
========================================================= */

.inv-voices-section {
  background: var(--inv-purple);

  color: #fff;
}

.inv-voices {
  display: flex;

  align-items: center;
  justify-content: space-between;

  gap: 35px;
}

.inv-voices h2 {
  margin: 0 0 15px;

  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
}

.inv-voices p:not(.inv-kicker) {
  max-width: 680px;

  margin: 0;

  color: rgba(255, 255, 255, 0.82);
}


/* =========================================================
   FOOTER
========================================================= */

.inv-footer {
  padding: 35px 0;

  background: var(--inv-navy-deep);

  color: rgba(255, 255, 255, 0.72);

  text-align: center;

  font-size: 0.85rem;
}

.inv-footer p {
  margin: 5px 0;
}


/* =========================================================
   ACCESSIBILITY
========================================================= */

.inv-nav a:focus-visible,
.inv-btn:focus-visible,
.inv-world-link:focus-visible {
  outline: 3px solid rgba(117, 217, 232, 0.55);
  outline-offset: 3px;
}


/* =========================================================
   RESPONSIVE — TABLET
========================================================= */

@media (max-width: 1000px) {

  .inv-header-inner {
    flex-direction: column;

    padding: 12px 0;
  }

  .inv-nav {
    justify-content: center;
  }

  .inv-hero {
    min-height: 590px;
  }

  .inv-bridge {
    grid-template-columns: 1fr 1fr;
  }

  .inv-bridge-arrow {
    display: none;
  }

  .inv-precision-card {
    grid-template-columns: 1fr;
  }

  .inv-precision-side {
    min-height: 260px;
  }
}


/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 760px) {

  .inv-section {
    padding: 65px 0;
  }

  .inv-container {
    width: min(100% - 28px, 680px);
  }

  .inv-brand-text {
    display: none;
  }

  .inv-nav {
    gap: 3px;
  }

  .inv-nav a {
    padding: 7px 8px;

    font-size: 0.72rem;
  }

  .inv-hero {
    min-height: 540px;
  }

  .inv-hero-content {
    width: min(100% - 28px, 680px);
  }

  .inv-hero h1 {
    font-size: clamp(2.9rem, 14vw, 4.5rem);
  }

  .inv-hero-orbit {
    opacity: 0.45;
  }

  .inv-node {
    transform: scale(0.75);
  }

  .inv-two-column,
  .inv-world-grid,
  .inv-build-card {
    grid-template-columns: 1fr;
  }

  .inv-two-column {
    gap: 35px;
  }

  .inv-world-card {
    padding: 28px;
  }

  .inv-science-panel {
    padding: 38px 25px;
  }

  .inv-responsible-grid {
    grid-template-columns: 1fr 1fr;
  }

  .inv-build-content {
    padding: 38px 25px;
  }

  .inv-build-questions {
    grid-template-columns: 1fr;
  }

  .inv-voices {
    flex-direction: column;

    align-items: flex-start;
  }

  .inv-precision-content {
    padding: 38px 25px;
  }

  .inv-precision-side {
    padding: 38px 25px;
  }
}


/* =========================================================
   RESPONSIVE — SMALL MOBILE
========================================================= */

@media (max-width: 520px) {

  .inv-container {
    width: min(100% - 24px, 680px);
  }

  .inv-path-arrow {
    display: none;
  }

  .inv-pathway {
    display: grid;

    grid-template-columns: 1fr 1fr;
  }

  .inv-path-step {
    min-width: 0;
  }

  .inv-responsible-grid {
    grid-template-columns: 1fr;
  }

  .inv-bridge {
    grid-template-columns: 1fr;
  }

  .inv-check-card {
    padding: 30px 22px;
  }

  .inv-science-chain {
    align-items: stretch;

    flex-direction: column;
  }

  .inv-science-chain b {
    display: none;
  }

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

    width: min(100%, 300px);

    margin: 0 auto;
  }

  .inv-btn {
    width: 100%;
  }

  .inv-principle-card {
    padding: 30px 24px;
  }

  .inv-build-side {
    min-height: 190px;
  }
}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}