@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --bg-top: #06111a;
  --bg-bottom: #0a1f2b;
  --surface: rgba(10, 23, 34, 0.75);
  --surface-strong: rgba(11, 29, 43, 0.9);
  --surface-border: rgba(134, 224, 214, 0.25);
  --text-main: #eaf5f7;
  --text-muted: #a6c9d2;
  --accent: #66e6d8;
  --accent-deep: #128a96;
  --warning: #f2c672;
  --max-width: 110rem;
  --radius: 1rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(90rem 60rem at 10% -10%, rgba(74, 177, 196, 0.22), transparent 60%),
    radial-gradient(70rem 55rem at 95% 0%, rgba(43, 120, 149, 0.2), transparent 60%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  min-height: 100vh;
}

a {
  color: var(--accent);
}

.drift-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.drift-dot {
  position: absolute;
  left: var(--dot-x);
  top: var(--dot-y);
  width: var(--dot-size);
  height: var(--dot-size);
  border-radius: 999px;
  background: hsl(173 70% var(--dot-lightness));
  opacity: var(--dot-opacity);
  filter: blur(var(--dot-blur));
  animation: drift-float var(--dot-duration) ease-in-out infinite;
  animation-delay: var(--dot-delay);
  transform: translate3d(0, 0, 0);
}

@keyframes drift-float {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(60px, -45px, 0);
  }
  100% {
    transform: translate3d(0, 0, 0);
  }
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), 98vw);
  margin: 0 auto;
  padding: 1.2rem 0 2rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0.25rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  position: sticky;
  top: 0.75rem;
  backdrop-filter: blur(8px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: clamp(3.8rem, 5vw, 4.6rem);
  height: clamp(3.8rem, 5vw, 4.6rem);
  object-fit: contain;
}

.brand-title {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: clamp(1.1rem, 0.9rem + 0.6vw, 1.4rem);
  letter-spacing: 0.03em;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  padding: 0.48rem 0.7rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: rgba(163, 236, 228, 0.4);
  background: rgba(46, 102, 115, 0.22);
  outline: none;
}

main {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.hero {
  background:
    linear-gradient(145deg, rgba(13, 35, 51, 0.86), rgba(8, 22, 34, 0.92)),
    url("../images/iot-network-bg.svg") center/cover no-repeat;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: clamp(1.2rem, 2.5vw, 2rem);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--warning);
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  line-height: 1.2;
}

h1 {
  margin: 0.4rem 0;
  font-size: clamp(2rem, 1.55rem + 2.2vw, 3rem);
}

h2 {
  margin-top: 0;
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: 0.5rem;
}

.hero-copy p {
  margin: 0;
  max-width: 62ch;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.3rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.7rem;
  padding: 0.62rem 0.92rem;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.button-primary {
  background: linear-gradient(140deg, #1bb4b2, #2b8eb0);
  color: #031318;
}

.button-ghost {
  background: rgba(123, 205, 212, 0.12);
  border-color: rgba(123, 205, 212, 0.38);
  color: var(--text-main);
}

.hero-actions {
  border: 1px solid rgba(161, 228, 217, 0.22);
  border-radius: 0.85rem;
  padding: clamp(0.9rem, 1.8vw, 1.3rem);
  background: rgba(10, 24, 36, 0.8);
  display: grid;
  align-content: center;
  gap: 0.55rem;
}

.hero-actions__title {
  margin: 0;
  color: #dff7f2;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
}

.hero-actions .hero-links {
  margin-top: 0.2rem;
  width: 100%;
  display: grid;
  gap: 0.6rem;
}

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

.panel {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.2vw, 1.5rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.feature-grid article {
  border: 1px solid rgba(160, 229, 219, 0.2);
  border-radius: 0.8rem;
  padding: 0.8rem;
  background: rgba(8, 19, 29, 0.45);
}

.feature-grid h3 {
  margin-top: 0;
  font-size: 1.02rem;
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.link-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.tag-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.6rem;
}

.tag-list li {
  border: 1px solid rgba(129, 220, 211, 0.3);
  background: rgba(88, 188, 198, 0.1);
  border-radius: 0.8rem;
  padding: 0.6rem 0.8rem;
  font-size: 0.94rem;
  font-weight: 600;
  width: 100%;
  min-height: 3rem;
  display: flex;
  align-items: center;
}

.placeholder-note {
  color: var(--text-muted);
  margin-bottom: 0;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: 0.75rem;
}

.team-card {
  border: 1px solid rgba(154, 229, 220, 0.25);
  border-radius: 0.8rem;
  background: rgba(8, 19, 28, 0.55);
  padding: 0.8rem;
}

.team-card img {
  width: 100%;
  height: clamp(15rem, 14vw, 13.5rem);
  object-fit: cover;
  object-position: center 20%;
  border-radius: 0.65rem;
  border: 1px solid rgba(150, 221, 212, 0.3);
}

.team-card h3 {
  margin-bottom: 0.2rem;
}

.team-card p {
  margin: 0.35rem 0;
}

.role {
  color: #9cece5;
  font-weight: 700;
}

.team-links {
  display: flex;
  gap: 0.75rem;
}

.screenshot-carousel {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.screenshot-stage {
  position: relative;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid rgba(161, 229, 220, 0.25);
  background: rgba(3, 11, 18, 0.9);
  aspect-ratio: 16 / 9;
}

.screenshot-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transform: translateX(2%);
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease;
}

.screenshot-slide.is-active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.screenshot-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  cursor: zoom-in;
}

.screenshot-slide figcaption {
  margin: 0;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-main);
  background: linear-gradient(180deg, transparent, rgba(2, 8, 13, 0.92));
}

.screenshot-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.carousel-btn {
  border: 1px solid rgba(123, 205, 212, 0.45);
  background: rgba(123, 205, 212, 0.08);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  border-radius: 0.65rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  background: rgba(123, 205, 212, 0.18);
  outline: none;
}

.carousel-dots {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
}

.carousel-dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(160, 227, 218, 0.7);
  background: rgba(123, 205, 212, 0.15);
  cursor: pointer;
}

.carousel-dot.is-active {
  background: rgba(123, 205, 212, 0.92);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: clamp(0.25rem, 1vw, 0.6rem);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(1, 10, 18, 0.85);
  backdrop-filter: blur(4px);
}

.lightbox-dialog {
  position: relative;
  width: min(98vw, 120rem);
  z-index: 1;
}

.lightbox-media {
  margin: 0;
  border-radius: 0.8rem;
  overflow: hidden;
  border: 1px solid rgba(150, 223, 213, 0.45);
  background: rgba(2, 8, 13, 0.96);
}

.lightbox-media img {
  width: 100%;
  max-height: 94vh;
  object-fit: contain;
  display: block;
  background: rgba(2, 8, 13, 0.96);
}

.lightbox-media figcaption {
  margin: 0;
  padding: 0.7rem 0.95rem;
  font-size: 0.95rem;
  color: var(--text-main);
  border-top: 1px solid rgba(150, 223, 213, 0.2);
  background: rgba(3, 14, 22, 0.95);
}

.lightbox-btn {
  position: absolute;
  border: 1px solid rgba(123, 205, 212, 0.45);
  background: rgba(5, 24, 34, 0.9);
  color: var(--text-main);
  font: inherit;
  font-weight: 700;
  border-radius: 0.65rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  z-index: 2;
}

.lightbox-btn:hover,
.lightbox-btn:focus-visible {
  background: rgba(27, 73, 92, 0.95);
  outline: none;
}

.lightbox-btn--close {
  top: 0.6rem;
  right: 0.6rem;
}

.lightbox-btn--prev,
.lightbox-btn--next {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-btn--prev {
  left: 0.6rem;
}

.lightbox-btn--next {
  right: 0.6rem;
}

body.has-lightbox-open {
  overflow: hidden;
}

.video-wrap {
  margin-top: 0.75rem;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid rgba(150, 223, 213, 0.3);
}

.video-wrap iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.site-footer {
  margin-top: 1rem;
  background: var(--surface-strong);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
}

.footer-brand {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.footer-brand img {
  width: 8rem;
  height: auto;
}

.footer-brand p {
  margin: 0.22rem 0;
}

.footer-links {
  display: grid;
  gap: 0.5rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 66rem) {
  .hero {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .split-panel,
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 44rem) {
  .site-header {
    position: static;
  }

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

  .feature-grid,
  .split-panel,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-controls {
    flex-wrap: wrap;
    justify-content: center;
  }

  .lightbox-dialog {
    width: min(99vw, 120rem);
  }

  .lightbox-btn {
    padding: 0.4rem 0.6rem;
  }

  .lightbox-btn--prev,
  .lightbox-btn--next {
    top: auto;
    bottom: -2.5rem;
    transform: none;
  }

  .lightbox-btn--prev {
    left: 0;
  }

  .lightbox-btn--next {
    right: 0;
  }

  .footer-brand {
    flex-direction: column;
    align-items: flex-start;
  }
}