:root {
  --bg: #07111f;
  --bg-deep: #030711;
  --surface: rgba(11, 20, 38, 0.72);
  --surface-strong: rgba(13, 25, 48, 0.88);
  --border: rgba(160, 201, 255, 0.18);
  --text: #e9f3ff;
  --muted: #9fb1c9;
  --primary: #4fd1ff;
  --secondary: #8a7dff;
  --accent: #5dffcf;
  --shadow: 0 24px 80px rgba(2, 8, 20, 0.42);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1180px;
  --nav-height: 56px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(79, 209, 255, 0.08), transparent 24%),
    radial-gradient(circle at 82% 10%, rgba(138, 125, 255, 0.08), transparent 20%),
    radial-gradient(circle at 50% 62%, rgba(93, 255, 207, 0.03), transparent 22%),
    linear-gradient(180deg, #08111e 0%, #040915 52%, #02050d 100%);
  color: var(--text);
  min-height: 100vh;
  cursor: default;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.page-shell {
  overflow: clip;
  position: relative;
  z-index: 1;
}

.page-shell::before {
  content: none;
}

.page-shell::after {
  content: none;
}

.tech-network {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.72;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
  scroll-margin-top: calc(var(--nav-height) + 1.5rem);
}

.section-emphasis {
  position: relative;
}

.section-emphasis::before {
  content: "";
  position: absolute;
  inset: 12% 10%;
  background: radial-gradient(circle, rgba(93, 255, 207, 0.08), transparent 55%);
  opacity: 0.4;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: transparent;
  transition: box-shadow 220ms ease, background 220ms ease, backdrop-filter 220ms ease;
  will-change: background, box-shadow, backdrop-filter;
}

.site-header.scrolled {
  background: rgba(4, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(2, 8, 20, 0.18);
}

.navbar {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  overflow: visible;
  height: 10rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 15rem;
  height: auto;
}

.site-footer img {
  width: 8.2rem;
  height: auto;
}

.menu-toggle {
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(7, 17, 31, 0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.32rem;
  cursor: pointer;
}

.menu-toggle span {
  width: 1rem;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-panel {
  position: fixed;
  inset: var(--nav-height) 1rem auto 1rem;
  display: grid;
  gap: 0.9rem;
  padding: 1.2rem;
  background: rgba(5, 12, 25, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transform: translateY(-1rem);
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms ease, opacity 220ms ease;
  box-shadow: var(--shadow);
}

.nav-panel a {
  color: var(--muted);
  font-weight: 600;
}

.nav-panel a:hover,
.nav-panel a:focus-visible {
  color: var(--text);
}

body.menu-open .nav-panel {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.hero {
  padding-top: 2.4rem;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  position: relative;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-orb {
  position: absolute;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  opacity: 0.65;
  pointer-events: none;
  transition: transform 140ms linear;
}

.hero-orb-left {
  top: 7rem;
  left: -6rem;
  background: radial-gradient(circle, rgba(79, 209, 255, 0.35), transparent 65%);
}

.hero-orb-right {
  top: 10rem;
  right: -5rem;
  background: radial-gradient(circle, rgba(138, 125, 255, 0.3), transparent 62%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 8% 6% 14%;
  background:
    linear-gradient(120deg, transparent 0%, rgba(79, 209, 255, 0.11) 46%, transparent 52%),
    linear-gradient(300deg, transparent 0%, rgba(138, 125, 255, 0.1) 44%, transparent 50%);
  background-size: 180% 180%;
  opacity: 0.55;
  animation: signalSweep 18s ease-in-out infinite;
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 800;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
li {
  cursor: default;
  user-select: none;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.6rem);
  line-height: 0.98;
}

.hero-lead {
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.45;
  color: #f6fbff;
  margin: 1.3rem 0 1rem;
  max-width: 44rem;
}

.hero-support,
.section-heading p,
.purpose-block p,
.contact-panel p,
.glass-card p,
.system-card p {
  color: var(--muted);
  line-height: 1.72;
  font-size: 1rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.3rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button:focus-visible,
.menu-toggle:focus-visible,
.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), #2e9fff 58%, var(--secondary));
  color: #04111e;
  box-shadow: 0 16px 32px rgba(79, 209, 255, 0.2);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.button-secondary:hover,
.button-ghost:hover,
.button-secondary:focus-visible,
.button-ghost:focus-visible {
  border-color: rgba(79, 209, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(79, 209, 255, 0.18), 0 18px 28px rgba(0, 0, 0, 0.2);
}

.hero-card,
.glass-card,
.system-card,
.contact-panel,
.purpose-block {
  background: linear-gradient(180deg, rgba(12, 23, 41, 0.78), rgba(7, 14, 27, 0.84));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  padding: 1.4rem;
  min-height: 25rem;
  overflow: hidden;
  transition: transform 180ms linear;
}

.hero-card-grid {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 15%, rgba(79, 209, 255, 0.16), transparent 20%),
    radial-gradient(circle at 80% 70%, rgba(93, 255, 207, 0.16), transparent 22%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  opacity: 0.9;
}

.hero-card-content {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.status-pill {
  align-self: flex-start;
  display: inline-flex;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(93, 255, 207, 0.12);
  border: 1px solid rgba(93, 255, 207, 0.24);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
}

.hero-card h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  margin: 1rem 0 1.5rem;
  max-width: 12ch;
}

.hero-metrics {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
}

.hero-metrics li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-metrics strong {
  font-size: 0.95rem;
}

.hero-metrics span {
  color: var(--muted);
  text-align: right;
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 4vw, 2.65rem);
  margin-bottom: 1rem;
}

.section-heading.compact {
  margin-bottom: 0.75rem;
}

.feature-grid,
.systems-grid {
  display: grid;
  gap: 1rem;
}

.glass-card,
.system-card {
  padding: 1.5rem;
}

.glass-card,
.purpose-block,
.contact-panel,
.founders-card {
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.glass-card:hover,
.purpose-block:hover,
.contact-panel:hover,
.founders-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 70px rgba(2, 8, 20, 0.5);
  border-color: rgba(160, 201, 255, 0.26);
}

.glass-card h3,
.system-card h3,
.site-footer h3 {
  margin: 0 0 0.8rem;
  font-size: 1.1rem;
}

.purpose-block,
.contact-panel {
  padding: 1.8rem;
}

.impact-statement {
  margin-bottom: 0;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 800;
  color: var(--text);
}

.systems-grid {
  gap: 2rem;
}

.system-card {
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  transition: transform 220ms ease;
}

.system-card:hover,
.system-card:focus-within {
  transform: translateY(-8px);
}

.system-card img {
  width: min(100%, 12.5rem);
  aspect-ratio: 1 / 1;
  height: auto;
  margin-bottom: 1.25rem;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28), 0 0 30px rgba(79, 209, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.system-card-agrometrica img {
  background: rgba(8, 17, 31, 0.88);
  padding: 1rem;
}

.system-card h3 {
  font-size: 1.28rem;
  margin-bottom: 1rem;
}

.founders-lead {
  font-size: clamp(1.06rem, 2vw, 1.2rem);
  max-width: 58rem;
}

.founders-layout {
  display: grid;
  gap: 1.2rem;
  align-items: start;
}

.expertise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.expertise-list li {
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 700;
}

.contact-details {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.8rem;
}

.contact-details a,
.site-footer a {
  color: var(--muted);
}

.contact-details a:hover,
.contact-details a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--text);
}

.instagram-icon {
  width: 1rem;
  height: 1rem;
  display: inline-flex;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.instagram-icon svg,
.back-to-top svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.site-footer {
  padding: 1rem 0 2.4rem;
  text-align: center;
}

.footer-grid {
  display: grid;
  gap: 1.4rem;
  padding: 1.6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  justify-items: center;
}

.footer-grid p,
.footer-bottom p {
  color: var(--muted);
  line-height: 1.7;
}

.footer-tagline {
  font-size: 0.92rem;
}

.footer-grid a {
  display: block;
  margin-bottom: 0.65rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.1rem;
  text-align: center;
}

.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  border: 1px solid rgba(79, 209, 255, 0.25);
  background: rgba(8, 17, 31, 0.84);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(1rem);
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease, border-color 220ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: rgba(93, 255, 207, 0.5);
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 42px, 0) scale(0.975);
  transition:
    opacity 760ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 760ms cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

@keyframes signalSweep {
  0% {
    background-position: 0% 30%, 100% 60%;
    transform: translateY(0) scale(1);
  }

  50% {
    background-position: 55% 45%, 35% 40%;
    transform: translateY(-8px) scale(1.02);
  }

  100% {
    background-position: 100% 60%, 0% 30%;
    transform: translateY(0) scale(1);
  }
}

@media (min-width: 720px) {
  .section {
    padding: 6.2rem 0;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .menu-toggle {
    display: none;
  }

  .nav-panel {
    position: static;
    inset: auto;
    display: flex;
    gap: 1.35rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    backdrop-filter: none;
  }

  .nav-panel a {
    position: relative;
    color: var(--muted);
  }

  .nav-panel a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
  }

  .nav-panel a:hover::after,
  .nav-panel a:focus-visible::after {
    transform: scaleX(1);
  }

  .hero-grid,
  .founders-layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
  }

  .systems-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
    column-gap: 2rem;
    align-items: center;
  }

  .contact-details {
    margin-top: 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}