:root {
  --bg: #020617;
  --bg-soft: #04142f;
  --bg-card: rgba(9, 20, 54, 0.85);
  --bg-card-light: rgba(15, 34, 74, 0.9);
  --primary: #4f8dfd;
  --primary-alt: #1dd8ff;
  --accent: #2dd4bf;
  --text-main: #f8fbff;
  --text-muted: #94a3b8;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --shadow-soft: 0 35px 120px rgba(8, 13, 35, 0.65);
  --radius-lg: 28px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at 12% 12%, #0a2f7d, #030817 42%, #020617);
  color: var(--text-main);
  min-height: 100vh;
}

main {
  position: relative;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section-heading {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: clamp(32px, 5vw, 44px);
  margin: 8px 0 18px;
}

.section-subtitle {
  max-width: 760px;
  margin: 0 auto;
  color: var(--text-muted);
  line-height: 1.7;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
}

.text-light {
  color: #e5f2ff;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 80;
  background: rgba(255, 255, 255, 0.08);
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.15s ease-out;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  text-transform: none;
}

.logo img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
}

.nav-links a:hover {
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border: none;
  background: transparent;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-alt));
  color: #fff;
  box-shadow: 0 20px 50px rgba(79, 141, 253, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 26px 60px rgba(79, 141, 253, 0.55);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
}

.btn-small {
  padding: 8px 18px;
  font-size: 13px;
}

.play-icon {
  font-size: 12px;
  margin-right: 8px;
}

/* Hero */
.hero {
  padding: 130px 0 100px;
  position: relative;
  overflow: hidden;
}

.scene-glow {
  position: absolute;
  inset: auto -40% -20% -40%;
  height: 120%;
  background: radial-gradient(circle at 30% 30%, rgba(12, 91, 255, 0.4), transparent 55%);
  filter: blur(120px);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  text-align: center;
  justify-items: center;
}

.hero-content {
  max-width: 820px;
}

.hero-content h1 {
  font-size: clamp(42px, 6vw, 66px);
  line-height: 1.05;
  margin-bottom: 16px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: var(--accent);
  margin: 0 auto 20px;
}

.chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.hero-subtitle {
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.7;
  margin: 0 auto;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 30px 0;
  justify-content: center;
}

.hero-readouts {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.readout-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 18px;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(18px);
}

.readout-label {
  font-size: 14px;
  color: var(--text-muted);
}

.readout-value {
  font-size: 20px;
  margin: 10px 0 4px;
}

.readout-pill {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-visual {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.device-hologram {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 30px;
  background: linear-gradient(145deg, rgba(12, 34, 80, 0.9), rgba(10, 18, 40, 0.9));
  border: 1px solid rgba(80, 160, 255, 0.4);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.55);
  transform-style: preserve-3d;
  overflow: hidden;
  transition: transform 0.35s ease;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-hologram ul {
  padding-left: 18px;
  margin: 12px 0 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.holo-glow {
  position: absolute;
  inset: 20%;
  border-radius: 40px;
  background: radial-gradient(circle, rgba(79, 141, 253, 0.35), transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.holo-core {
  position: relative;
}

.holo-stream {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  font-size: 13px;
}

.holo-rod {
  width: min(85%, 340px);
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.15),
    rgba(120, 180, 255, 0.95) 45%,
    rgba(255, 255, 255, 0.2)
  );
  box-shadow: 0 18px 40px rgba(4, 9, 20, 0.6), inset 0 0 14px rgba(255, 255, 255, 0.4);
  transform-origin: center;
  animation: device-rotate 14s linear infinite;
}

.holo-rod-stage {
  width: min(88%, 520px);
  height: 12px;
}

.mini-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.hero-panels-standalone {
  margin-top: 28px;
}

.panel-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
  border-radius: 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: transform 0.25s ease, border 0.25s ease;
}

.panel-title {
  margin: 0;
  font-weight: 600;
}

.panel-copy {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* Partner banner */
.partner-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(9, 16, 32, 0.85), rgba(12, 29, 58, 0.9));
  border-top: 1px solid rgba(79, 141, 253, 0.15);
  border-bottom: 1px solid rgba(79, 141, 253, 0.15);
  overflow: hidden;
}

.partner-banner::before {
  content: "";
  position: absolute;
  inset: -30% 20% auto -20%;
  height: 220%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.25), transparent 65%);
  filter: blur(60px);
  opacity: 0.6;
  pointer-events: none;
}

.partner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  gap: 36px;
  flex-wrap: wrap;
}

.partner-copy {
  flex: 1 1 320px;
}

.partner-logo-wall {
  flex: 1 1 360px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.partner-tagline {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.partner-lockup {
  margin: 0;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(2, 6, 23, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 40px 90px rgba(1, 7, 18, 0.6);
}

.partner-lockup img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: calc(var(--radius-lg) - 8px);
  box-shadow: 0 18px 45px rgba(3, 7, 18, 0.35);
}

.panel-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
}

.panel-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.25);
}

.hero-stats-grid {
  margin: 60px auto 0;
  width: min(980px, 90%);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 18px;
  text-align: center;
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* Marquee */
.signal-marquee {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
  padding: 14px 0;
}

.signal-track {
  display: flex;
  width: fit-content;
  animation: marquee 18s linear infinite;
}

.signal-group {
  display: flex;
  gap: 50px;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  padding-right: 50px;
}

.signal-group span {
  white-space: nowrap;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Cards */
.grid {
  display: grid;
}

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

.gap-lg {
  gap: 24px;
}

.cards-grid {
  margin-top: 40px;
}

.info-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, border 0.2s ease;
  position: relative;
  overflow: hidden;
}

.info-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.6);
}

.info-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border-top: 3px solid transparent;
  transition: border-color 0.2s ease;
  pointer-events: none;
}

.info-card:hover::after {
  border-color: var(--primary);
}

.info-card h3 {
  margin-top: 0;
}

.info-card p {
  color: var(--text-muted);
  line-height: 1.6;
}

.info-card-accent {
  border-top: 3px solid var(--primary);
}

/* Geo */
.geo-wrapper {
  margin-top: 70px;
}

.geo-card {
  background: var(--bg-card-light);
  border-radius: 36px;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-soft);
}

.geo-content {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  margin-top: 30px;
}

.geo-map {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 26px;
  border-radius: 36px;
  background: radial-gradient(circle at 35% 20%, rgba(59, 130, 246, 0.35), rgba(2, 6, 23, 0.9));
  border: 1px solid rgba(79, 141, 253, 0.25);
  box-shadow: 0 30px 80px rgba(1, 5, 19, 0.7);
  overflow: hidden;
}

.geo-map::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 28px;
  background: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 28px
    ),
    repeating-linear-gradient(
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 28px
    );
  pointer-events: none;
  z-index: 0;
}

.geo-map img {
  width: 100%;
  max-width: 520px;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 35px 90px rgba(4, 8, 25, 0.9);
  filter: saturate(1.05) contrast(1.05);
  mix-blend-mode: screen;
  z-index: 1;
}

.geo-credit {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.geo-stats {
  display: grid;
  gap: 14px;
}

.geo-stat {
  border-radius: 24px;
  padding: 18px;
}

.geo-number {
  font-size: 26px;
  margin-bottom: 4px;
}

.geo-stat-red {
  background: rgba(251, 113, 133, 0.2);
  color: #fecdd3;
}

.geo-stat-blue {
  background: rgba(59, 130, 246, 0.15);
  color: #bfdbfe;
}

.geo-stat-yellow {
  background: rgba(250, 204, 21, 0.18);
  color: #fef9c3;
}

.geo-footer {
  margin-top: 24px;
  text-align: center;
  color: var(--text-muted);
}

/* Gradient section */
.gradient-section {
  background: radial-gradient(circle at 15% 15%, #123985, #050a1a 65%);
}

.banner-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 30px;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35);
}

/* Solution grid */
.system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.tech-banner {
  border-radius: 32px;
  padding: 34px;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: #e0f2fe;
  box-shadow: var(--shadow-soft);
}

.device-placeholder {
  display: none;
}

.device-reveal {
  background: radial-gradient(circle at 20% 20%, #040c23, #01030c 70%);
  padding-top: 110px;
}

.device-reveal-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.device-stage {
  position: relative;
  aspect-ratio: 4 / 2.3;
  border-radius: 40px;
  background: radial-gradient(circle at 40% 40%, rgba(79, 141, 253, 0.2), rgba(0, 0, 0, 0.95));
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.8);
}

.device-grid {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 0,
      rgba(255, 255, 255, 0.03) 1px,
      transparent 1px,
      transparent 40px
    ),
    repeating-linear-gradient(
      rgba(255, 255, 255, 0.03) 0,
      rgba(255, 255, 255, 0.03) 1px,
      transparent 1px,
      transparent 40px
    );
  opacity: 0.4;
}

.device-holo {
  position: absolute;
  inset: 8%;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1600px;
}

.catheter-shaft {
  position: relative;
  width: 92%;
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.18),
    rgba(173, 209, 255, 0.9) 45%,
    rgba(255, 255, 255, 0.25)
  );
  box-shadow: 0 20px 40px rgba(4, 9, 20, 0.65), inset 0 0 14px rgba(255, 255, 255, 0.38);
  transform: rotateX(14deg) rotateZ(-6deg);
  transform-origin: 6% 50%;
  overflow: hidden;
  z-index: 2;
}

.catheter-highlight {
  position: absolute;
  inset: 1px 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0));
  opacity: 0.85;
  filter: blur(0.3px);
}

.catheter-tip {
  position: absolute;
  right: 3%;
  width: 44px;
  height: 16px;
  border-radius: 10px 22px 22px 10px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(123, 178, 255, 0.7));
  box-shadow: 0 10px 18px rgba(8, 13, 38, 0.6), inset 0 0 12px rgba(255, 255, 255, 0.55);
  transform: translateZ(12px);
  z-index: 3;
}

.catheter-tip::after {
  content: "";
  position: absolute;
  left: -24px;
  top: 4px;
  width: 22px;
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 0 4px rgba(255, 255, 255, 0.6);
}

.catheter-loop {
  position: absolute;
  left: 6%;
  top: 28%;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 20px rgba(79, 141, 253, 0.5);
  transform: rotateX(70deg) rotateZ(10deg);
  animation: loop-pulse 7s ease-in-out infinite;
  opacity: 0.75;
  z-index: 1;
}

.catheter-base {
  position: absolute;
  right: 6%;
  top: 46%;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.6);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.95), rgba(104, 158, 255, 0.35));
  box-shadow: 0 16px 30px rgba(4, 9, 20, 0.65), inset 0 0 12px rgba(255, 255, 255, 0.6);
  transform: translate(20px, -20px) rotateX(70deg);
  z-index: 4;
}

.catheter-base::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 2px solid rgba(17, 25, 48, 0.25);
  background: rgba(2, 6, 23, 0.15);
}

.catheter-shadow {
  position: absolute;
  width: 94%;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.2), transparent);
  filter: blur(12px);
  transform: translateY(22px) scaleX(0.95);
  opacity: 0.55;
  z-index: 0;
}

.device-glimmer {
  position: absolute;
  width: 140%;
  height: 140%;
  border-radius: 50%;
  border: 1px solid rgba(79, 141, 253, 0.3);
  animation: glimmer 10s ease-in-out infinite;
}

.device-reflection {
  position: absolute;
  inset: auto 15% 10% 15%;
  height: 12px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 70%);
  filter: blur(14px);
}

.device-copy ul {
  padding-left: 20px;
  line-height: 1.7;
  color: var(--text-muted);
}

@keyframes device-rotate {
  0% {
    transform: rotateX(18deg) rotateY(0deg) rotateZ(-6deg);
  }
  50% {
    transform: rotateX(12deg) rotateY(180deg) rotateZ(6deg);
  }
  100% {
    transform: rotateX(18deg) rotateY(360deg) rotateZ(-6deg);
  }
}

@keyframes loop-pulse {
  0% {
    transform: rotateX(70deg) rotateZ(10deg) scale(0.95);
    opacity: 0.65;
  }
  50% {
    transform: rotateX(70deg) rotateZ(10deg) scale(1.05);
    opacity: 0.85;
  }
  100% {
    transform: rotateX(70deg) rotateZ(10deg) scale(0.95);
    opacity: 0.65;
  }
}

@keyframes glimmer {
  0% {
    transform: scale(0.9);
    opacity: 0.2;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.6;
  }
  100% {
    transform: scale(0.9);
    opacity: 0.2;
  }
}

.system-panel {
  background: var(--bg-card);
  border-radius: 32px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mode-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.03);
}

.mode-toggle button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 999px;
  padding: 10px 0;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.mode-toggle button.active {
  background: linear-gradient(90deg, var(--primary), var(--primary-alt));
  color: #010409;
}

.mode-output {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mode-label {
  font-size: 22px;
  margin: 0;
}

.mode-copy {
  color: var(--text-muted);
  line-height: 1.6;
}

.mode-gauge {
  margin-top: 16px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.gauge-value {
  font-size: 28px;
  font-weight: 700;
}

.gauge-caption {
  color: var(--text-muted);
  font-size: 12px;
}

.features-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 22px;
  min-height: 160px;
  transition: transform 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
}

/* Team */
.team-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.team-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 24px;
}

.team-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 26px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.team-links {
  margin-top: 16px;
}

.team-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  transition: background 0.2s ease, border 0.2s ease;
}

.team-links a::before {
  content: "in";
  font-weight: 700;
  font-size: 11px;
  background: #0a66c2;
  color: #fff;
  border-radius: 4px;
  padding: 2px 4px;
}

.team-links a:hover {
  background: rgba(10, 102, 194, 0.25);
  border-color: #0a66c2;
}

.team-founder {
  display: flex;
  justify-content: center;
}

.team-photo {
  width: 90px;
  height: 90px;
  border-radius: 26px;
  margin: 0 auto 18px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
}

.team-photo.has-image {
  padding: 0;
  overflow: hidden;
}

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

.team-role {
  color: var(--accent);
  font-weight: 600;
}

.team-bio {
  color: var(--text-muted);
  line-height: 1.5;
}

/* Awards */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.award-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 26px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.award-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 11px;
  color: var(--text-muted);
}

/* Research carousel */
.paper-carousel {
  display: flex;
  align-items: center;
  gap: 16px;
}

.paper-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 280px);
  gap: 18px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding-bottom: 6px;
}

.paper-track::-webkit-scrollbar {
  display: none;
}

.paper-card {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px;
}

.paper-tag {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: #fff;
  cursor: pointer;
}

/* Roadmap */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline-track {
  position: absolute;
  top: 0;
  left: 12px;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}

.roadmap-item {
  background: var(--bg-card);
  border-radius: 24px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 22px;
  position: relative;
}

.roadmap-item.active {
  border-color: var(--primary);
  box-shadow: 0 30px 60px rgba(79, 141, 253, 0.18);
}

.roadmap-item::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  left: -22px;
  top: 28px;
  box-shadow: 0 0 20px rgba(79, 141, 253, 0.6);
}

.roadmap-phase {
  color: var(--accent);
  letter-spacing: 0.2em;
  font-size: 11px;
  text-transform: uppercase;
}

.roadmap-status {
  color: var(--text-muted);
}

.roadmap-status.completed {
  color: #34d399;
}

/* Contact */
.contact-section {
  background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.3), #030817);
}

.contact-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 36px;
  align-items: center;
}

.contact-copy {
  padding-right: 20px;
}

.contact-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 32px;
  margin-bottom: 18px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
}

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

.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 28px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(3, 7, 18, 0.4);
  color: #fff;
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

/* Footer */
.footer {
  background: #010513;
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 40px;
  align-items: start;
  color: var(--text-muted);
}

.footer-copy {
  max-width: 420px;
  margin: 12px 0;
}

.footer-links {
  display: flex;
  gap: 40px;
}

.footer-title {
  font-weight: 600;
  color: #fff;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-decoration: none;
}

.footer-links a:hover {
  color: #fff;
}

.back-to-top {
  color: var(--accent);
  text-decoration: none;
  align-self: center;
}

/* Reveal animation */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-readouts {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .hero-panels {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .hero-stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }

  .partner-inner {
    flex-direction: column;
  }

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

@media (max-width: 780px) {
  .nav-links {
    position: fixed;
    inset: 70px 16px auto;
    background: rgba(2, 6, 23, 0.95);
    border-radius: 24px;
    padding: 18px;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-soft);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .geo-content {
    grid-template-columns: 1fr;
  }

  .team-row {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 540px) {
  .hero-actions {
    flex-direction: column;
  }

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

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

  .paper-carousel {
    flex-direction: column;
  }

  .carousel-btn {
    width: 100%;
  }
}