/* SidelineNeuro — one-page site
   Navy #0B2545, blue #1E88E5, white
*/

:root {
  --navy: #0B2545;
  --navy-deep: #07182C;
  --blue: #1E88E5;
  --blue-dark: #1565C0;
  --blue-soft: #E8F3FC;
  --white: #FFFFFF;
  --bg: #F5F8FC;
  --text: #0B2545;
  --muted: #4E5F71;
  --line: #D5DEE8;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(11, 37, 69, 0.07);
  --shadow-hover: 0 14px 36px rgba(11, 37, 69, 0.12);
  --header-h: 4.5rem;
  --max: 70rem;
  --font: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--blue-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3.5rem;
  z-index: 200;
  background: var(--white);
  color: var(--navy);
  padding: 0.5rem 0.9rem;
  border-radius: 0.4rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.75rem;
}

/* ----- Header ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link img {
  display: block;
  height: 2.35rem;
  width: calc(2.35rem * 1077 / 203);
  max-width: 70vw;
  object-fit: contain;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--white);
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  position: relative;
}

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

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.site-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--blue-dark);
}

.site-nav a.nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav a.nav-cta:hover {
  background: var(--blue-dark);
  color: var(--white);
}

/* ----- Layout helpers ----- */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0;
}

.section-kicker {
  margin: 0 0 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}

.section-lead {
  margin: 0 0 2.5rem;
  max-width: 40rem;
  color: var(--muted);
}

.section-lead:last-child {
  margin-bottom: 0;
}

/* ----- Buttons ----- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
}

.btn-light {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-light:hover {
  background: var(--blue-soft);
  color: var(--navy);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ----- Hero ----- */

.hero {
  position: relative;
  background-color: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding: 5rem 0 5.5rem;
  background-image:
    radial-gradient(ellipse 70% 80% at 85% 20%, rgba(30, 136, 229, 0.28), transparent 58%),
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.06) 1px, transparent 0);
  background-size: auto, 22px 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 3rem;
  align-items: center;
}

.hero-kicker {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.28rem 0.7rem;
  border: 1px solid rgba(30, 136, 229, 0.55);
  border-radius: 999px;
  color: #D6EBFC;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.85rem, 4.2vw, 3.05rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.hero-footnote {
  margin: 0 0 1.2rem;
  max-width: 38rem;
  font-size: 0.98rem;
  line-height: 1.5;
  font-weight: 500;
  color: #E8F3FC;
}

.hero-lead {
  margin: 0 0 0.85rem;
  font-size: 1.12rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
  max-width: 38rem;
}

.hero-note {
  margin: 0;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 38rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img {
  width: min(100%, 26rem);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.28));
}

/* ----- Cards: What it is ----- */

#what-it-is {
  background: var(--bg);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.7rem;
  box-shadow: var(--shadow);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  border-color: #C5D7EA;
}

.icon-badge {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.9rem;
  background: var(--blue-soft);
  color: var(--blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.icon-badge svg {
  width: 1.85rem;
  height: 1.85rem;
}

.card h3,
.step h3,
.audience h3 {
  text-wrap: balance;
}

.card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* ----- How it works ----- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
  position: relative;
}

.step {
  position: relative;
  padding-top: 0.25rem;
}

.step-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

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

/* ----- Who it's for ----- */

#who-its-for {
  background: var(--bg);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}

.audience {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
}

.audience h3 {
  margin: 0 0 0.45rem;
  font-size: 1.12rem;
}

.audience p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* ----- Development ----- */

.development {
  background: var(--navy);
  color: var(--white);
  padding: 4.5rem 0;
  background-image: radial-gradient(ellipse 60% 80% at 0% 50%, rgba(30, 136, 229, 0.2), transparent 55%);
}

.development .section-kicker {
  color: #9CCAF3;
}

.development .section-lead {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.75rem;
}

.development h2 {
  color: var(--white);
}

/* ----- Contact ----- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2.75rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
}

.contact-list li {
  margin: 0 0 0.85rem;
  color: var(--navy);
  font-weight: 600;
}

.contact-list a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.contact-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.contact-form {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-form .form-note {
  margin: 0 0 1.1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
}

.form-field textarea {
  min-height: 8.5rem;
  resize: vertical;
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: #B7C6D6;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 0;
  border-color: var(--blue);
}

.contact-form .btn {
  margin-top: 0.35rem;
}

/* ----- Footer ----- */

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.78);
  padding: 2.75rem 0 2.4rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.site-footer img {
  display: block;
  height: 2rem;
  width: calc(2rem * 1077 / 203);
  max-width: 100%;
  object-fit: contain;
  object-position: left center;
}

.copyright {
  margin: 0;
  font-size: 0.92rem;
}

.disclaimer {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.62);
  max-width: 48rem;
}


/* ----- By the numbers ----- */

#by-the-numbers {
  background: var(--bg);
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}

.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;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
  margin-bottom: 2.75rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.45rem 1.4rem 1.5rem;
  box-shadow: var(--shadow);
}

.stat-card-feature {
  border-color: #B9D4EE;
  box-shadow: 0 10px 30px rgba(30, 136, 229, 0.08);
}

.stat-eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.stat-num {
  margin: 0 0 0.35rem;
  font-size: clamp(1.85rem, 3vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--navy);
}

.stat-label {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.stat-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.stat-text a,
.prose-block a,
.rates-note a,
.refs a {
  color: var(--blue-dark);
  text-decoration: none;
  font-weight: 600;
}

.stat-text a:hover,
.prose-block a:hover,
.rates-note a:hover,
.refs a:hover {
  text-decoration: underline;
}

.stat-text sup a,
.prose-block sup a,
.rates-note sup a {
  font-weight: 600;
  font-size: 0.7em;
  margin-left: 0.05em;
}

.rates-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.35rem;
  margin-bottom: 2.75rem;
}

.rates-title {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

.rates-note {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.rates-block .rates-note:last-child {
  margin: 1.1rem 0 0;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.rates-table th,
.rates-table td {
  text-align: left;
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.rates-table thead th {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid #C5D0DB;
}

.rates-table tbody th {
  font-weight: 600;
  color: var(--navy);
}

.rates-table td {
  font-variant-numeric: tabular-nums;
  color: var(--navy);
}

.rates-table tbody tr:last-child th,
.rates-table tbody tr:last-child td {
  border-bottom: 0;
}

.rates-table tr.is-featured {
  background: var(--blue-soft);
}

.rates-table tr.is-featured th,
.rates-table tr.is-featured td {
  font-weight: 700;
}

.prose-block {
  max-width: 46rem;
  margin-bottom: 1.75rem;
}

.prose-block h3 {
  margin: 0 0 0.7rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.prose-block p {
  margin: 0 0 0.9rem;
  color: var(--text);
}

.prose-block p:last-child {
  margin-bottom: 0;
}

.research-disclaimer {
  margin: 0 0 2.25rem;
  max-width: 46rem;
  padding: 0.9rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.refs {
  max-width: 52rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.refs h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.refs ol {
  margin: 0;
  padding: 0 0 0 1.25rem;
}

.refs li {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}

.refs cite {
  font-style: italic;
}


/* ----- Why one integrated system ----- */

#why-integrated {
  background: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
  margin-bottom: 1.75rem;
}

.why-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem 1.55rem;
}

.why-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.12rem;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.why-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.assemble-note {
  margin: 0 0 1rem;
  max-width: 48rem;
  color: var(--muted);
}

.review-note {
  margin: 0;
  max-width: 52rem;
  padding: 1.1rem 1.25rem;
  background: var(--blue-soft);
  border-left: 4px solid var(--blue);
  border-radius: 0 0.7rem 0.7rem 0;
}

.review-note p {
  margin: 0;
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.6;
}

/* ----- Battery ----- */

#the-battery {
  background: var(--bg);
}

.battery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.battery-group {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.3rem 1.2rem;
}

.battery-group h3 {
  margin: 0 0 0.7rem;
  font-size: 1.08rem;
  letter-spacing: -0.015em;
}

.battery-group ul {
  margin: 0;
  padding: 0 0 0 1.1rem;
}

.battery-group li {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.battery-group li:last-child {
  margin-bottom: 0;
}

.battery-group ul ul {
  margin: 0.4rem 0 0.15rem;
  padding-left: 1.1rem;
}

.battery-group ul ul li {
  font-size: 0.92rem;
}

.reporting-block {
  margin-top: 1.35rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.45rem 1.5rem 1.3rem;
}

.reporting-block h3 {
  margin: 0 0 0.45rem;
  font-size: 1.12rem;
  letter-spacing: -0.015em;
}

.reporting-block p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 48rem;
}

.reporting-block ul {
  margin: 0;
  padding: 0 0 0 1.15rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1.5rem;
}

.reporting-block li {
  color: var(--navy);
  font-size: 0.95rem;
  line-height: 1.45;
  margin: 0;
}

.planned-block {
  margin-top: 1.75rem;
  background: var(--white);
  border: 1px dashed #8BB8E0;
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem 1.3rem;
}

.planned-label {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.planned-block h3 {
  margin: 0 0 0.4rem;
  font-size: 1.12rem;
}

.planned-block p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.planned-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.planned-block li {
  background: var(--blue-soft);
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}


/* ----- Products ----- */

#products {
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.product-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 0 1.6rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.product-body {
  padding: 1.25rem 1.6rem 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mockup-note {
  margin: -0.75rem 0 1.5rem;
  max-width: 44rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.product-mockups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.product-mockup {
  margin: 0;
  position: relative;
  background: #EEF1F4;
}

.product-card > .product-mockup {
  border-bottom: 1px solid var(--line);
}

.product-mockup img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center 45%;
}

.product-mockup figcaption {
  margin: 0;
  padding: 0.45rem 0.7rem 0.5rem;
  background: var(--navy);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.product-setting {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-dark);
}

.product-card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.product-card > p,
.product-body > p:not(.product-setting) {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.product-card ul {
  margin: 0 0 1.35rem;
  padding: 0 0 0 1.15rem;
  flex: 1;
}

.product-card li {
  margin: 0 0 0.45rem;
  color: var(--navy);
  font-size: 0.98rem;
  line-height: 1.45;
}

.product-card .btn,
.product-body .btn {
  align-self: flex-start;
  margin-top: auto;
}

.in-dev {
  display: inline-block;
  margin-left: 0.15rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--blue-soft);
  border: 1px solid color-mix(in srgb, var(--blue) 28%, transparent);
  padding: 0.12rem 0.38rem;
  border-radius: 999px;
  vertical-align: middle;
  line-height: 1.2;
}

.battery-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 0.7rem;
}

.rehab-block {
  margin-top: 1.5rem;
}

/* ----- Who it is for: role list ----- */

.role-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.role-list li {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
}

.role-follow {
  margin-top: 1.5rem;
  margin-bottom: 0;
}

/* ----- Responsive ----- */

@media (max-width: 1100px) {
  .stat-grid,
  .battery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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



@media (max-width: 900px) {
  .hero-grid,
  .card-grid,
  .steps,
  .audience-grid,
  .contact-grid,
  .stat-grid,
  .why-grid,
  .battery-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    width: min(100%, 13.5rem);
  }

  .hero {
    padding: 3rem 0 3.5rem;
  }

  .section {
    padding: 3.75rem 0;
  }
}

@media (max-width: 1180px) {
  .nav-toggle {
    display: inline-flex;
  }

  /* Without JS, links remain visible and wrap under the header. */
  .site-nav {
    display: none;
  }

  html:not(.js) .site-header {
    height: auto;
  }

  html:not(.js) .header-inner {
    flex-wrap: wrap;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  html:not(.js) .site-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.7rem;
    padding: 0.4rem 0 0.6rem;
  }

  html.js .site-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 0.85rem 1.5rem 1.15rem;
    gap: 0.85rem;
    box-shadow: var(--shadow);
  }
}

@media (max-width: 520px) {
  .header-inner,
  .wrap {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

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

  .hero-actions .btn {
    width: 100%;
  }
}


.th-short {
  display: none;
}

.refs a {
  overflow-wrap: break-word;
}

@media (max-width: 520px) {
  .th-full {
    display: none;
  }

  .th-short {
    display: inline;
  }

  .rates-block {
    padding: 1.25rem 0.85rem 1.15rem;
  }

  .rates-table {
    font-size: 0.84rem;
  }

  .rates-table th,
  .rates-table td {
    padding: 0.55rem 0.35rem;
  }

  .rates-table thead th:first-child,
  .rates-table tbody th {
    padding-left: 0.4rem;
  }
}

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

  .card {
    transition: none;
  }
}

/* Anchor offset for sticky header */
#what-it-is,
#products,
#why-integrated,
#the-battery,
#by-the-numbers,
#how-it-works,
#who-its-for,
#development,
#contact {
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}


@media (max-width: 600px) {
  .product-mockups {
    grid-template-columns: 1fr;
  }

  .product-mockup figcaption {
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem 0.55rem;
  }
}

@media (max-width: 700px) {
  .reporting-block ul {
    grid-template-columns: 1fr;
  }
}