:root {
  --bg: #dff4ff;
  --bg-soft: rgba(207, 236, 255, 0.74);
  --panel: rgba(236, 248, 255, 0.78);
  --panel-strong: rgba(224, 243, 255, 0.9);
  --line: rgba(45, 114, 158, 0.12);
  --text: #0e3151;
  --muted: #4c6f8b;
  --accent: #4bb7ff;
  --accent-strong: #1d8fd6;
  --shadow: 0 24px 70px rgba(72, 132, 182, 0.18);
  --radius: 28px;
  --nav-height: 44px;
  --container: min(1180px, calc(100vw - 32px));
}


* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(103, 193, 255, 0.28), transparent 24%),
    linear-gradient(180deg, #f0fbff 0%, #d6effd 38%, #c3e4f8 100%);
  color: var(--text);
  font-family: 'Manrope', sans-serif;
  min-height: 100vh;
  -ms-overflow-style: none;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.45), transparent 18%),
    radial-gradient(circle at 80% 20%, rgba(93, 184, 255, 0.18), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.lights-canvas {
  width: 100%;
  height: 100%;
  opacity: 0.48;
  pointer-events: none;
}

.lights-canvas-site {
  position: fixed;
  inset: 0;
  z-index: 1;
}

.lights-canvas-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  opacity: 0.16;
  mix-blend-mode: screen;
}

.lights-canvas-hero {
  position: absolute;
  inset: 0;
  z-index: 1;
}

main,
.site-header {
  position: relative;
  z-index: 2;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  padding: 5px 0;
  z-index: 50;
  transition: transform 700ms ease;
}

body.is-products-returning .site-header {
  transform: translateY(calc(100% + 24px));
  pointer-events: none;
}

body.is-products-mode .site-header {
  transform: translateY(calc(-100% - 24px));
  pointer-events: none;
}

.nav-shell {
  width: var(--container);
  min-height: var(--nav-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 2px 20px;
  border: 1px solid rgba(72, 130, 176, 0.12);
  border-radius: 999px;
  background: rgba(245, 252, 255, 0.74);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1 1 auto;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #dff8ff);
  box-shadow: 0 0 30px rgba(74, 183, 255, 0.42);
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-text strong {
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.76rem;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 1 auto;
  min-width: 0;
}

.site-nav a,
.nav-toggle {
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  padding: 10px 14px;
  border-radius: 999px;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-current,
.nav-toggle:hover {
  background: rgba(75, 183, 255, 0.12);
  color: #0a6fb1;
}

.language-picker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(75, 183, 255, 0.16);
  flex: 0 1 auto;
  min-width: 0;
}

.language-picker span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.language-segmented {
  display: inline-grid;
  grid-auto-flow: column;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(215, 244, 255, 0.96));
  border: 1px solid rgba(75, 183, 255, 0.18);
}

.language-option {
  min-width: 42px;
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 800;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.language-option:hover {
  background: rgba(75, 183, 255, 0.12);
}

.language-option.is-active {
  background: linear-gradient(135deg, #2dafff, #8bddff);
  color: #07253b;
  box-shadow: 0 10px 24px rgba(75, 183, 255, 0.28);
}

.nav-toggle {
  display: none;
  cursor: pointer;
}

@media (max-width: 920px) {
  .nav-shell {
    gap: 14px;
    padding: 7px 7px;
  }

  .site-nav {
    gap: 4px;
  }

  .site-nav a,
  .nav-toggle {
    padding: 4px 10px;
    font-size: 0.92rem;
    white-space: nowrap;
  }

  .language-picker {
    gap: 8px;
    padding: 6px 8px 6px 10px;
  }

  .language-picker span {
    display: none;
  }

  .language-segmented {
    gap: 4px;
    padding: 3px;
  }

  .language-option {
    min-width: 40px;
    min-height: 34px;
    padding: 0 10px;
    font-size: 0.84rem;
  }
}

section {
  padding: 72px 0;
}

.section-inner {
  width: var(--container);
  margin: 0 auto;
}

.card-surface {
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-media-column .eyebrow {
  width: 100%;
  text-align: left;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: 'Sora', sans-serif;
  line-height: 1.05;
}

h1 {
  font-size: clamp(3.1rem, 11vw, 7rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(1.5rem, 3.75vw, 3rem);
  max-width: 14ch;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 2rem);
}

p {
  color: var(--text);
  line-height: 1.72;
  margin: 0;
}

.hero-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-top: 8px;
  min-height: calc(100vh - 120px);
  padding-bottom: 28px;
  display: flex;
  align-items: flex-start;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(228, 245, 255, 0.12) 0%, rgba(228, 245, 255, 0.04) 26%, rgba(222, 240, 252, 0.2) 58%, rgba(234, 247, 255, 0.52) 100%),
    url('/assets/sky.jpg') center top / cover no-repeat;
  transform: scale(1.08);
  transform-origin: top center;
  pointer-events: none;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: url('/assets/ocean.jpg') center bottom / cover no-repeat;
  mask-image: linear-gradient(to bottom, transparent 68%, rgba(0,0,0,0.85) 78%, black 84%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 68%, rgba(0,0,0,0.85) 78%, black 84%);
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(241, 251, 255, 0.08) 0%, rgba(241, 251, 255, 0) 24%, rgba(241, 251, 255, 0.26) 100%);
  pointer-events: none;
}

.overview-section {
  padding-top: 28px;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 30px 0 32px;
}

.hero-copy {
  display: grid;
  gap: 20px;
  max-width: 760px;
}

.hero-copy .eyebrow {
  color: #000000;
  text-shadow: 0 1px 4px rgba(255,255,255,0.45);
}

.hero-layout > .eyebrow {
  font-size: 1.6rem;
  margin-bottom: -8px;
}

.hero-copy h1 {
  color: #002B7F;
  text-shadow: 0 1px 4px rgba(255,255,255,0.45);
  font-family: 'Playfair Display', serif;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 3.4rem;
}

/* cycle 8.2s: Maritime@0s, Drone@0.333s, Innovation@0.666s, each 1.5s, pause 6s */
@keyframes hero-word-pulse {
  0%   { transform: scale(1); }
  9%   { transform: scale(1.0375); }
  18%  { transform: scale(1); }
  100% { transform: scale(1); }
}

@keyframes hero-drone-pulse {
  0%   { transform: scaleX(1.12); }
  9%   { transform: scaleX(1.12) scale(1.0375); }
  18%  { transform: scaleX(1.12); }
  100% { transform: scaleX(1.12); }
}

#h1-first-word {
  animation: hero-word-pulse 8.2s ease-in-out infinite;
  transform-origin: left center;
}

.hero-h1-split {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.hero-tricolor {
  height: 4px;
  background: linear-gradient(to right, #002B7F 33.33%, #FCD116 33.33%, #FCD116 66.66%, #CE1126 66.66%);
  border-radius: 2px;
}

.hero-drone-line {
  display: grid;
  grid-template-columns: max-content 1fr;
  align-items: center;
  transform-origin: left center;
  animation: hero-drone-pulse 8.2s ease-in-out -7.867s infinite;
}

.hero-title-logo {
  height: 0.85em;
  width: 1.2em;
  object-fit: fill;
  justify-self: center;
}

.hero-drone-line2 {
  font-size: 2.55rem;
  animation: hero-word-pulse 8.2s ease-in-out -7.534s infinite;
  transform-origin: left center;
}

.hero-lead {
  max-width: 760px;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  color: #000000;
  font-weight: 500;
  text-shadow: 0 1px 4px rgba(255,255,255,0.45);
}

.hero-tagline {
  color: #000000;
  font-weight: 500;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  text-shadow: 0 3px 14px rgba(255,255,255,0.95);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, #36b3ff, #87d7ff);
  color: #06263d;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.52);
  border-color: rgba(75, 183, 255, 0.18);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: -16px;
  padding-top: 0;
}

.hero-metrics article,
.detail-card,
.contact-main {
  border-radius: var(--radius);
}

.hero-metrics article {
  padding: 22px;
  background: rgba(246, 252, 255, 0.54);
  border: 1px solid rgba(75, 183, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.hero-metrics article:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 36px rgba(72, 132, 182, 0.22);
}

.card-surface:not(.products-pin):not(.contact-main),
.product-panel,
.contact-columns div,
.manager-card,
.logos-row span,
.logos-row img,
.contact-form-card {
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.card-surface:not(.products-pin):not(.contact-main):hover,
.contact-columns div:hover,
.manager-card:hover,
.logos-row span:hover,
.logos-row img:hover,
.contact-form-card:hover {
  transform: scale(1.03);
  box-shadow: 0 12px 36px rgba(72, 132, 182, 0.22);
}

.system-section .overview-copy.card-surface {
  transition: box-shadow 220ms ease;
}

.system-section .overview-copy.card-surface:hover {
  transform: none;
}

.system-img {
  transition: transform 400ms ease;
  transform-origin: center center;
}

.system-img:hover {
  transform: scale(1.03);
}

.product-panel .product-media {
  transition: transform 400ms ease, box-shadow 400ms ease;
  transform-origin: center center;
}

.product-panel .product-media:hover {
  transform: scale(1.03);
  box-shadow: 0 16px 48px rgba(72, 132, 182, 0.28);
}

.hero-metrics strong {
  font-weight: 700;
}

.overview-grid,
.contact-grid {
  display: grid;
  gap: 24px;
}

.overview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.section-heading {
  display: grid;
  gap: 16px;
}

.section-heading h2 {
  max-width: 80%;
}

.overview-grid > .section-heading {
  grid-column: 1 / -1;
  max-width: 860px;
}

.overview-copy {
  padding: 30px;
  border-radius: var(--radius);
  display: grid;
  gap: 18px;
  position: relative;
  z-index: 0;
}

.overview-pages {
  display: grid;
}

.overview-page {
  grid-area: 1 / 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
}

.overview-page.is-active {
  opacity: 1;
  pointer-events: auto;
}

.overview-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(75, 183, 255, 0.12);
}

.overview-nav-btn {
  padding: 5px 16px;
  border-radius: 20px;
  border: 1px solid rgba(75, 183, 255, 0.3);
  background: rgba(75, 183, 255, 0.08);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease;
}

.overview-nav-btn:hover:not(:disabled) {
  background: rgba(75, 183, 255, 0.18);
  border-color: rgba(75, 183, 255, 0.5);
}

.overview-nav-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.overview-nav-indicator {
  font-size: 0.78rem;
  color: var(--muted);
  min-width: 32px;
  text-align: center;
}

.overview-side {
  display: grid;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.detail-card {
  padding: 24px;
  will-change: transform;
}

.detail-index {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}

.products-section {
  padding-bottom: 0;
}

.products-scroll-shell {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  align-items: start;
  gap: 22px;
}

.products-pin {
  position: sticky;
  top: 2px;
  align-self: start;
  border-radius: calc(var(--radius) + 4px);
  padding: 6px 28px;
  z-index: 1;
}

.products-heading {
  display: grid;
  gap: 8px;
  max-width: none;
  margin-bottom: 3px;
}

.products-heading h2 {
  max-width: none;
  font-size: clamp(1.35rem, 1.95vw, 1.95rem);
}

.products-intro {
  display: none;
}

.products-subnav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 2px;
}

.product-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 6px;
  border-radius: 22px;
  border: 1px solid rgba(75, 183, 255, 0.12);
  background: rgba(255, 255, 255, 0.46);
  color: var(--text);
  text-align: center;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, opacity 180ms ease;
  min-width: 0;
}

.product-tab:hover,
.product-tab.is-active {
  transform: translateY(-2px);
  border-color: rgba(75, 183, 255, 0.48);
  background: rgba(75, 183, 255, 0.12);
}

.product-tab small {
  color: var(--muted);
}

.product-thumb {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 1 / 1;
  width: 54%;
  border-radius: 16px;
  border: 1px solid rgba(75, 183, 255, 0.1);
  background-size: cover;
  background-position: center top;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.product-thumb::before,
.product-thumb::after {
  content: none;
}

.product-tab strong {
  font-size: 0.84rem;
}

.product-tab small {
  font-size: 0.72rem;
}

.thumb-a {
  background-image: linear-gradient(135deg, rgba(11, 24, 44, 0.22), rgba(26, 102, 158, 0.14)), url('/assets/drona1.jpg');
}

.thumb-b {
  background-image: linear-gradient(135deg, rgba(11, 24, 44, 0.22), rgba(26, 102, 158, 0.14)), url('/assets/drona2.jpg');
}

.thumb-c {
  background-image: linear-gradient(135deg, rgba(11, 24, 44, 0.22), rgba(26, 102, 158, 0.14)), url('/assets/drona3.jpg');
}

.thumb-d {
  background-image: linear-gradient(135deg, rgba(11, 24, 44, 0.22), rgba(26, 102, 158, 0.14)), url('/assets/drona4.jpg');
}

.thumb-e {
  background-image: linear-gradient(135deg, rgba(11, 24, 44, 0.22), rgba(26, 102, 158, 0.14)), url('/assets/drona5.jpg');
}

.products-stage {
  display: grid;
  gap: 22px;
}

.product-panel {
  position: relative;
  padding: 28px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  scroll-margin-top: 230px;
}

.product-panel-scroll {
  height: auto;
  overflow: visible;
}

.product-panel-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.96fr) minmax(0, 1.04fr);
  gap: 28px;
  align-items: stretch;
  min-height: 0;
}

.product-media-column,
.product-copy-column {
  min-width: 0;
  min-height: 0;
  display: block;
}

.product-media-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-patent-note {
  width: 100%;
  margin: 0 0 12px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(75, 183, 255, 0.06);
  border: 1px solid rgba(75, 183, 255, 0.14);
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
}

.product-media-frame {
  width: 100%;
  margin: 0 0 8px;
  border-radius: 26px;
}

.product-media {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(75, 183, 255, 0.15);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: var(--shadow);
  min-height: min(34vh, 320px);
}

.product-media img,
.product-media video {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Slideshow crossfade */
.product-slideshow .slide {
  position: absolute !important;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  z-index: 0;
}

.product-slideshow .slide.slide-active {
  opacity: 1;
  z-index: 1;
}

.product-media::before,
.product-media::after {
  content: none;
}

.product-copy {
  width: 100%;
  display: grid;
  gap: 14px;
  padding: 4px 6px 20px 0;
}

.product-copy p {
  max-width: none;
}

.product-features-title {
  margin: 2px 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.product-features {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  color: var(--text);
}

.product-features li {
  max-width: none;
}

.product-features li:empty {
  display: none;
}

.product-panel.is-active {
  border-color: rgba(75, 183, 255, 0.34);
}

.contact-section {
  margin-top: 28px;
  padding-top: 96px;
  padding-bottom: 80px;
}

.contact-heading {
  max-width: 720px;
}

.contact-heading h2 {
  max-width: none;
}

.contact-main {
  padding: 28px;
  display: grid;
  gap: 28px;
}

/* Founder header */
.founder-header {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  align-items: flex-start;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(75, 183, 255, 0.12);
}

.founder-identity {
  flex: 1 1 280px;
}

@media (min-width: 977px) {
  .founder-identity,
  .founder-contact {
    flex: 1 1 0;
    min-width: 0;
  }
}

.founder-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 6px;
}

.defense-industry-banner {
  text-align: center;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  padding: 32px 0;
}

.founder-role {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(75, 183, 255, 0.9);
  margin-bottom: 6px;
}

.founder-bio {
  font-size: 0.85rem;
  color: var(--muted);
}

.founder-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
}

.founder-contact a {
  color: var(--text);
  text-decoration: none;
}

.founder-contact a:hover {
  color: rgba(75, 183, 255, 0.9);
}

/* Founder body */
.founder-photo {
  width: 200px;
  align-self: start;
}

.founder-photo img {
  width: 200px;
  height: 200px;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(75, 183, 255, 0.12);
  object-fit: cover;
}

.founder-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.founder-patents,
.founder-career {
  padding: 20px 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(75, 183, 255, 0.12);
}

.founder-career-view {
  display: none;
}

.founder-career-view.is-active {
  display: block;
}

.founder-career-nav {
  display: flex;
  align-items: center;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(75, 183, 255, 0.12);
}

.founder-nav-btn {
  background: none;
  border: 1px solid rgba(75, 183, 255, 0.3);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--accent-strong);
  transition: background 150ms ease, border-color 150ms ease;
  white-space: nowrap;
}

.founder-nav-btn:hover {
  background: rgba(75, 183, 255, 0.1);
  border-color: rgba(75, 183, 255, 0.5);
}

.founder-nav-btn.back-btn {
  margin-right: auto;
}

.founder-patents h4,
.founder-career h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 14px;
}

.founder-list {
  padding-left: 18px;
  margin: 0;
  display: grid;
  gap: 10px;
}

.founder-list li {
  font-size: 0.84rem;
  line-height: 1.55;
}

/* Documents download card */
.founder-docs {
  padding: 20px 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(75, 183, 255, 0.12);
}

.founder-docs h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 14px;
}

.docs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.docs-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(75, 183, 255, 0.18);
  background: rgba(75, 183, 255, 0.05);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease;
}

.docs-list a:hover {
  background: rgba(75, 183, 255, 0.14);
  border-color: rgba(75, 183, 255, 0.4);
}

.docs-list-patents {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 10px;
}

.docs-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.contact-columns div,
.manager-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(75, 183, 255, 0.12);
}

.contact-columns h3,
.manager-card h3 {
  margin-bottom: 14px;
}

.contact-columns p {
  margin-bottom: 8px;
}

.contact-extras {
  display: grid;
  gap: 20px;
}

.contact-bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.logos-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 12px;
}

.logos-row span,
.logos-row img {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.38);
  border: 1px solid rgba(75, 183, 255, 0.12);
  color: #0c5b93;
  letter-spacing: 0.12em;
}

.logos-row img {
  aspect-ratio: 1 / 0.8;
  padding: 10px 14px;
  object-fit: contain;
  max-height: none;
  overflow: hidden;
}

.manager-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
}

.manager-card img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid rgba(75, 183, 255, 0.12);
  background: rgba(255, 255, 255, 0.4);
}

.document-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.contact-form-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(75, 183, 255, 0.12);
  display: grid;
  gap: 8px;
  align-content: start;
}

.contact-form-heading {
  display: grid;
  gap: 8px;
}

.form-field {
  display: grid;
  gap: 3px;
}

.form-field span {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(24, 66, 104, 0.82);
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(75, 183, 255, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
  font: inherit;
  padding: 7px 16px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.form-field textarea {
  resize: vertical;
  min-height: 148px;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: rgba(29, 143, 214, 0.56);
  box-shadow: 0 0 0 4px rgba(75, 183, 255, 0.12);
  background: rgba(255, 255, 255, 0.9);
}

.contact-form-actions {
  display: grid;
  gap: 12px;
}

.contact-submit {
  justify-self: start;
}

.contact-submit[disabled] {
  opacity: 0.72;
  cursor: progress;
}

.contact-form-status {
  min-height: 28px;
  font-size: 0.94rem;
  color: var(--muted);
}

.contact-form-status.is-success {
  color: #11723d;
}

.contact-form-status.is-error {
  color: #a13a36;
}

.document-links a {
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(75, 183, 255, 0.1);
  border: 1px solid rgba(75, 183, 255, 0.28);
}

@media (max-width: 980px) {
  .overview-grid,
  .contact-columns,
  .manager-card,
  .contact-bottom-grid {
    grid-template-columns: 1fr;
  }

  .overview-grid > .section-heading {
    grid-column: auto;
  }

  .section-heading h2 {
    max-width: 80%;
  }

  .product-panel-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 22px;
    min-height: 0;
    align-content: start;
  }

  .product-copy-column {
    min-height: auto;
  }

  .hero-metrics,
  .logos-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-panel {
    scroll-margin-top: 250px;
  }

  .product-media {
    min-height: min(28vh, 280px);
  }

  .contact-submit {
    width: 100%;
    justify-self: stretch;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 20px, 1000px);
    --nav-height: 64px;
  }

  .founder-body {
    grid-template-columns: 1fr;
  }

  .founder-photo {
    width: 200px;
    margin: 0 auto;
  }

  .docs-list-patents {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  section {
    padding: 52px 0;
  }

  .site-header {
    padding-top: 10px;
  }

  .nav-shell {
    position: relative;
    min-height: var(--nav-height);
    border-radius: 999px;
    flex-wrap: wrap;
    padding: 0 7px;
    gap: 10px;
    align-items: center;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 8px;
  }

  .brand-mark {
    display: none;
  }

  .brand-text small {
    display: none;
  }

  .brand-text strong {
    white-space: normal;
  }

  .brand-name-2 {
    display: block;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    order: 2;
  }

  .language-picker {
    width: auto;
    justify-content: flex-end;
    padding: 4px;
    gap: 0;
    flex: 0 0 auto;
    order: 3;
  }

  .language-segmented {
    width: auto;
  }

  .language-picker span {
    display: none;
  }

  .language-option {
    min-width: 32px;
    min-height: 34px;
    padding: 0 5px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: auto;
    right: 16px;
    transform: none;
    width: min(58vw, 252px);
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 8px;
    order: 4;
    border-radius: 24px;
    background: rgba(245, 252, 255, 0.92);
    border: 1px solid rgba(72, 130, 176, 0.14);
    box-shadow: 0 18px 36px rgba(72, 132, 182, 0.18);
    backdrop-filter: blur(18px);
    z-index: 3;
  }

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

  .site-nav a {
    text-align: center;
    width: 100%;
    padding: 10px 12px;
  }

  .hero-section {
    min-height: calc(100svh - 104px);
    padding-top: 8px;
  }

  .hero-layout {
    min-height: calc(100svh - 140px);
    padding-top: 22px;
  }

  .hero-copy {
    gap: 16px;
  }

  .hero-metrics,
  .logos-row {
    grid-template-columns: 1fr;
  }

  .product-panel {
    padding: 22px;
    scroll-margin-top: 320px;
  }

  .logos-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .products-pin {
    top: 2px;
    align-self: start;
    padding: 8px 8px 10px;
    border-radius: 30px;
  }

  .products-heading {
    gap: 6px;
  }

  .products-heading h2 {
    font-size: clamp(1.45rem, 6vw, 2rem);
  }

  .products-subnav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 5px;
    margin: 0 0 0;
  }

  .product-tab {
    gap: 4px;
    padding: 7px 6px;
    border-radius: 18px;
    min-width: 0;
    align-content: center;
  }

  .product-thumb {
    display: none;
  }

  .product-tab strong {
    font-size: 0.78rem;
  }

  .product-tab small {
    font-size: 0.68rem;
    line-height: 1.2;
  }

  .products-stage {
    min-height: 0;
  }

  .product-panel-scroll {
    overflow: visible;
    padding-right: 2px;
  }

  .product-panel-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 14px;
    min-height: 100%;
    height: auto;
    align-content: start;
  }

  .product-media-frame {
    position: relative;
    top: auto;
    transform: none;
  }

  .product-media-column {
    display: block;
  }

  .product-media {
    width: 80%;
    margin: 0 auto;
    min-height: auto;
    aspect-ratio: unset;
  }

  .product-slideshow {
    aspect-ratio: 3 / 4;
  }

  .product-media img {
    height: auto;
    object-fit: contain;
  }

  .product-slideshow .slide {
    height: 100%;
    object-fit: cover;
  }

  .product-copy-column {
    min-height: auto;
  }

  .site-footer {
    padding: 7px 12px;
    font-size: 0.62rem;
  }
}

@media (max-width: 760px) and (orientation: landscape) {
  .logos-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.contact-form-card {
  position: relative;
}

.contact-form-card.is-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  backdrop-filter: blur(6px);
  background: rgba(220, 242, 255, 0.45);
  z-index: 10;
}

.contact-form-spinner {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 11;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.contact-form-card.is-loading .contact-form-spinner {
  display: flex;
}

.contact-form-spinner svg {
  width: 52px;
  height: 52px;
  color: var(--accent-strong);
  animation: hourglass-flip 1.4s ease-in-out infinite;
}

.contact-overlay-result {
  display: none;
  max-width: 80%;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  padding: 16px 24px;
  border-radius: 16px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(75,183,255,0.2);
  box-shadow: var(--shadow);
  color: var(--text);
}

.contact-overlay-result.is-visible {
  display: block;
}

.contact-overlay-result.is-success { color: #11723d; }
.contact-overlay-result.is-error   { color: #a13a36; }

@keyframes hourglass-flip {
  0%, 45%  { transform: rotate(0deg); }
  55%, 100% { transform: rotate(180deg); }
}

@keyframes status-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.contact-form-status.is-blinking {
  animation: status-blink 1s ease-in-out 3;
}

.system-expand-wrap {
  margin-top: 24px;
}

.system-expand-body {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 1s ease-in-out;
}

.system-expand-body > * {
  min-height: 0;
  overflow: hidden;
}

.system-expand-inner {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.system-expand-body.is-open .system-expand-inner {
  opacity: 1;
}

.system-expand-body.is-open {
  grid-template-rows: 1fr;
}

.system-expand-bar {
  position: sticky;
  bottom: 16px;
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
  z-index: 10;
}

.system-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 999px;
  border: 1px solid rgba(75, 183, 255, 0.3);
  background: rgba(255, 255, 255, 0.88);
  color: var(--accent-strong);
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, background-color 180ms ease;
}

.system-expand-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.98);
}

/* ── Page loader ─────────────────────────────────────────────────────────── */
#page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at top, rgba(103, 193, 255, 0.28), transparent 24%),
    linear-gradient(180deg, #f0fbff 0%, #d6effd 38%, #c3e4f8 100%);
  transition: opacity 350ms ease, visibility 350ms ease;
}

#page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.page-loader-brand {
  font-family: 'Manrope', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-loader-bar {
  width: 160px;
  height: 3px;
  border-radius: 999px;
  background: rgba(75, 183, 255, 0.18);
  overflow: hidden;
}

.page-loader-progress {
  height: 100%;
  width: 55%;
  border-radius: 999px;
  background: var(--accent-strong);
  animation: loader-sweep 1.1s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes loader-sweep {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(280%); }
}

/* ── Site footer ─────────────────────────────────────────────────────────── */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px 24px;
  background: rgba(207, 236, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(45, 114, 158, 0.14);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.system-expand-icon {
  display: inline-block;
  transition: transform 300ms ease;
}

.system-expand-btn[aria-expanded="true"] .system-expand-icon {
  transform: rotate(180deg);
}