@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --navy:        #0B2C52;
  --navy-dark:   #071D38;
  --navy-light:  #163A6A;
  --blue:        #1565C0;
  --white:       #FFFFFF;
  --off-white:   #F7FAFD;
  --gray-50:     #F5F7FA;
  --gray-100:    #EEF2F7;
  --gray-200:    #E2E8F0;
  --gray-400:    #A0AEC0;
  --gray-600:    #718096;
  --text:        #1A2332;
  --text-muted:  #5A6A7A;
  --border:      #E2E8F0;
  --green:       rgba(0, 210, 120, 0.9);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --max-w:      1200px;
  --max-w-text:  720px;

  --radius:    8px;
  --radius-lg: 12px;

  --shadow:    0 2px 8px rgba(11, 44, 82, 0.06);
  --shadow-md: 0 4px 20px rgba(11, 44, 82, 0.08);
  --shadow-lg: 0 8px 40px rgba(11, 44, 82, 0.12);
}

sup {
  font-size: 0.65em;
  vertical-align: super;
  line-height: 0;
  color: var(--blue);
  font-weight: 600;
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }

/* ─── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4, h5 { font-weight: 600; line-height: 1.2; color: var(--navy); }

h1 { font-size: clamp(2rem, 5vw, 3.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.625rem, 3vw, 2.25rem); letter-spacing: -0.02em; }
h3 { font-size: 1.125rem; font-weight: 600; }

p { line-height: 1.75; }

.eyebrow {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section         { padding: 5.5rem 0; }
.section--alt    { background: var(--off-white); }
.section--navy   { background: var(--navy); }

.section-header {
  max-width: var(--max-w-text);
  margin: 0 auto 3.5rem;
  text-align: center;
}
.section-header h2      { margin-bottom: 1rem; }
.section-header p       { font-size: 1.0625rem; color: var(--text-muted); }
.section-header--left   { text-align: left; margin-left: 0; }

/* ─── Navigation ─────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.nav__logo {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav__logo span { color: var(--blue); }

.nav__links {
  display: flex;
  gap: 2.25rem;
}
.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.18s;
}
.nav__links a:hover,
.nav__links a.active { color: var(--navy); }

.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.375rem;
  color: var(--navy);
  line-height: 0;
}

.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 0.75rem 2rem 1.5rem;
  border-top: 1px solid var(--border);
}
.nav__mobile.is-open { display: flex; }
.nav__mobile a {
  padding: 0.75rem 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--gray-100);
}
.nav__mobile a:last-of-type { border-bottom: none; }
.nav__mobile .btn { margin-top: 1rem; text-align: center; }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6875rem 1.625rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all 0.18s;
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--outline:hover { background: var(--navy); color: var(--white); }

.btn--white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.btn--white:hover { background: var(--gray-100); border-color: var(--gray-100); }

.btn--ghost-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
}
.btn--ghost-white:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.9); }

.btn--lg { padding: 0.875rem 2rem; font-size: 1rem; }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  padding: 5rem 0 4.5rem;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.hero .eyebrow { color: rgba(255,255,255,0.5); margin-bottom: 1.125rem; }

.hero h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero__subheadline {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.hero__copy {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero__actions { display: flex; gap: 0.875rem; flex-wrap: wrap; }

/* ─── Product Mockup ─────────────────────────────────────── */
.mockup {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
}

.mockup__bar {
  background: rgba(255,255,255,0.07);
  padding: 0.75rem 1.125rem;
  display: flex;
  gap: 0.45rem;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mockup__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: block;
}

.mockup__content { padding: 1.5rem; }

.mockup__procedure {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.125rem;
}

.mockup__counts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.125rem;
}

.mockup__count {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 8px;
  padding: 1rem 0.75rem;
  text-align: center;
}
.mockup__count-num {
  font-size: 2.125rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  line-height: 1;
  margin-bottom: 0.375rem;
}
.mockup__count-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

.mockup__status {
  background: rgba(0, 200, 110, 0.12);
  border: 1px solid rgba(0, 200, 110, 0.22);
  border-radius: 6px;
  padding: 0.625rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(0, 220, 120, 0.9);
  text-align: center;
  margin-bottom: 1rem;
}

.mockup__camera {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 8px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  color: rgba(255,255,255,0.2);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mockup__camera-icon {
  width: 22px;
  height: 22px;
  opacity: 0.3;
}

/* ─── Cards ──────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cards--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--navy);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.card--flat { border-top-width: 1px; }

.card h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.75rem;
  color: var(--navy);
}
.card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.card .card__stat {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.375rem;
}
.card .card__stat-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
}

/* ─── Two-column layout ──────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}
.two-col--reverse > :first-child { order: 2; }
.two-col--reverse > :last-child  { order: 1; }

.two-col h2 { margin-bottom: 1.125rem; }
.two-col p  { color: var(--text-muted); margin-bottom: 1rem; }

/* ─── Feature list ───────────────────────────────────────── */
.feature-list { margin-top: 1.75rem; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.6875rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.55;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: var(--navy);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
  margin-top: 0.1rem;
}

/* ─── Photo pair ──────────────────────────────────────────── */
.photo-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.photo-pair__frame {
  height: 340px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.75rem;
}
.photo-pair__frame img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  border-radius: calc(var(--radius-lg) - 6px);
}

/* ─── Lightbox ────────────────────────────────────────────── */
.lightbox-trigger { cursor: zoom-in; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 20, 0.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__close:hover { background: rgba(255, 255, 255, 0.2); }

@media (max-width: 768px) {
  .lightbox { padding: 1.5rem 1rem; }
  .lightbox__close { top: 1rem; right: 1rem; }
}

/* ─── Image placeholders ─────────────────────────────────── */
.img-placeholder {
  background: var(--gray-100);
  border: 1px dashed var(--gray-200);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--gray-400);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─── Citations ──────────────────────────────────────────── */
.citation {
  clear: both;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.citation p {
  font-size: 0.8rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 0.25rem;
}
.citation a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: rgba(21,101,192,0.3);
}
.citation a:hover { text-decoration-color: var(--blue); }

/* ─── Stat callout ───────────────────────────────────────── */
.stat-callout {
  clear: both;
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  margin: 1.75rem 0;
}
.stat-callout__number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-callout__label {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.55;
}

/* ─── Case card (reported cases / verdicts) ──────────────── */
.case-card {
  background: var(--off-white);
  border-left: 4px solid #C0392B;
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin: 1.75rem 0;
}
.case-card__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #C0392B;
  margin-bottom: 0.625rem;
}
.case-card__headline {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.case-card__source {
  font-size: 0.8125rem;
  color: var(--gray-600);
}
.case-card__source a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: rgba(21,101,192,0.3);
}
.case-card--group { display: flex; flex-direction: column; gap: 1.25rem; }
.case-card--group .case-card__item:not(:last-child) {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

/* ─── Founder card ───────────────────────────────────────── */
.founder-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.founder-card__photo {
  width: 140px;
  aspect-ratio: 4 / 5;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1.5rem;
}

.founder-card__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.founder-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.founder-card__degree {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.625rem;
}

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.tag {
  display: inline-block;
  padding: 0.3125rem 0.875rem;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--navy);
}

/* ─── CTA section ────────────────────────────────────────── */
.cta-section {
  background: var(--navy);
  padding: 5.5rem 0;
  text-align: center;
}
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto 2.25rem;
  line-height: 1.75;
}

/* ─── Page hero (inner pages) ────────────────────────────── */
.page-hero {
  background: var(--navy);
  padding: 4.5rem 0;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.0625rem;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ─── Technology page ────────────────────────────────────── */
.tech-sections { padding: 0; }
.tech-block {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}
.tech-block:last-child { border-bottom: none; }
.tech-block__grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
.tech-block__number {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  padding-top: 0.375rem;
}
.tech-block h3 { font-size: 1.375rem; margin-bottom: 1rem; }
.tech-block p  { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }
.tech-block p:last-child { margin-bottom: 0; }

/* ─── Patent list ────────────────────────────────────────── */
.patent-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.375rem 0;
  border-bottom: 1px solid var(--border);
}
.patent-item:last-child { border-bottom: none; }
.patent-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.375rem 0.75rem;
  white-space: nowrap;
}
.patent-title { font-size: 0.9375rem; font-weight: 600; color: var(--text); margin-bottom: 0.25rem; }
.patent-meta  { font-size: 0.875rem; color: var(--text-muted); }

/* ─── Clinical Need page ─────────────────────────────────── */
.clinical-block {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}
.clinical-block:last-child { border-bottom: none; }
.clinical-block h2 { margin-bottom: 1rem; }
.clinical-block p  { color: var(--text-muted); max-width: 760px; line-height: 1.8; margin-bottom: 0.875rem; }
.clinical-block::after { content: ""; display: table; clear: both; }

/* ─── Clinical figure (small editorial photo, wraps text) ── */
.clinical-figure {
  float: right;
  width: 360px;
  margin: 0.25rem 0 1.5rem 2rem;
}
.clinical-figure img {
  width: 100%;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.clinical-figure figcaption {
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.5;
  margin-top: 0.625rem;
}

/* ─── Resource card (linked external reading) ────────────── */
.resource-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  clear: both;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin: 1.75rem 0;
  text-decoration: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.resource-card:hover { box-shadow: var(--shadow-md); border-color: var(--gray-200); }
.resource-card__thumb {
  width: 150px;
  height: 105px;
  flex-shrink: 0;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  border: 1px solid var(--border);
}
.resource-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}
.resource-card__body { flex: 1; min-width: 0; }
.resource-card__eyebrow {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.25rem;
}
.resource-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.25rem;
  line-height: 1.4;
}
.resource-card__link { font-size: 0.8125rem; color: var(--blue); }

@media (max-width: 900px) {
  .clinical-figure { float: none; width: 100%; max-width: 320px; margin: 0 auto 1.5rem; }
  .resource-card { flex-direction: column; align-items: stretch; text-align: center; }
  .resource-card__thumb { width: 100%; height: 160px; }
}

/* ─── Contact page ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 { font-size: 1.0625rem; margin-bottom: 0.5rem; }
.contact-info p  { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.7; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}
.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.18s, box-shadow 0.18s;
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11, 44, 82, 0.08);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235A6A7A' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-notice { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.5rem; }

.form-success,
.form-error {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  margin-top: 1rem;
}
.form-success { background: #EBF5EB; border: 1px solid #C3E6C3; color: #1E6B1E; }
.form-error   { background: #FEF2F2; border: 1px solid #FECACA; color: #991B1B; }

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--navy-dark);
  padding: 3rem 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.footer__logo span { color: rgba(255,255,255,0.45); }
.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  margin-top: 0.375rem;
}
.footer__links {
  display: flex;
  gap: 2rem;
}
.footer__links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  transition: color 0.18s;
}
.footer__links a:hover { color: var(--white); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 3rem; }
  .cards           { grid-template-columns: repeat(2, 1fr); }
  .two-col         { grid-template-columns: 1fr; gap: 3rem; }
  .two-col--reverse > :first-child { order: 0; }
  .two-col--reverse > :last-child  { order: 0; }
  .contact-grid    { grid-template-columns: 1fr; gap: 3rem; }
  .tech-block__grid { grid-template-columns: 1fr; gap: 1rem; }
  .footer__inner   { flex-direction: column; gap: 1.75rem; text-align: center; }
  .footer__links   { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 768px) {
  .section  { padding: 4rem 0; }
  .cards    { grid-template-columns: 1fr; }
  .hero     { padding: 3.5rem 0; }
  .hero__actions { flex-direction: column; }
  .nav__links, .nav__actions { display: none; }
  .nav__hamburger { display: block; }
  .cta-section, .page-hero { padding: 3.5rem 0; }
  .container { padding: 0 1.25rem; }
  .stat-callout { padding: 1.5rem; }
  .stat-callout__number { font-size: 2.5rem; }
  .patent-item { grid-template-columns: 1fr; gap: 0.625rem; }
  .founder-card { padding: 2rem 1.5rem; }
  .photo-pair { grid-template-columns: 1fr; }
}
