:root {
  --bg: #ffffff;
  --bg-soft: #f5f9fc;
  --bg-soft-2: #f6fbff;
  --bg-gradient-start: #f9fcff;
  --bg-gradient-mid: #eef5fb;
  --bg-gradient-end: #fdfefe;

  --panel: #ffffff;
  --panel-glass: rgba(255, 255, 255, 0.88);
  --panel-soft: rgba(245, 249, 253, 0.92);
  --footer-bg: rgba(241, 247, 252, 0.92);
  --mobile-nav-bg: rgba(255, 255, 255, 0.98);

  --line: #c7cdd4;
  --line-strong: #bfc7cf;
  --line-soft: rgba(170, 180, 190, 0.55);
  --line-soft-2: rgba(170, 180, 190, 0.75);
  --line-soft-3: rgba(175, 185, 195, 0.45);
  --line-soft-4: rgba(175, 185, 195, 0.28);
  --line-soft-5: rgba(170, 180, 190, 0.4);
  --line-soft-6: rgba(170, 180, 190, 0.35);
  --line-soft-7: rgba(175, 185, 195, 0.8);

  --text: #1d3550;
  --text-strong: #11263b;
  --text-nav: #4f667d;
  --text-nav-strong: #16324a;
  --muted: #6d7f90;
  --placeholder: #88a0b8;
  --skip-link-text: #000000;

  --accent: #20a0dc;
  --accent-rgb: 32, 160, 220;
  --accent-strong: #f57c21;
  --accent-warm: #f57c21;
  --green: #82bf40;

  --accent-ghost: rgba(23, 159, 211, 0.14);
  --accent-ghost-2: rgba(23, 159, 211, 0.25);
  --accent-ghost-3: rgba(23, 159, 211, 0.16);
  --accent-ghost-4: rgba(23, 159, 211, 0.08);
  --accent-ghost-5: rgba(23, 159, 211, 0.35);
  --accent-shadow: rgba(23, 159, 211, 0.18);

  --hero-overlay-left: rgba(255, 255, 255, 0.80);
  --hero-overlay-mid: rgba(255, 255, 255, 0.72);
  --hero-overlay-right: rgba(255, 255, 255, 0.28);
  --hero-overlay-bottom-start: rgba(241, 248, 255, 0.20);
  --hero-overlay-bottom-end: rgba(241, 248, 255, 0.58);

  --hero-glow-1: rgba(23, 159, 211, 0.08);
  --hero-glow-2: rgba(23, 159, 211, 0.03);
  --hero-glow-3: rgba(23, 159, 211, 0);

  --cta-bg-1: rgba(23, 159, 211, 0.10);
  --cta-bg-2: rgba(130, 191, 64, 0.08);
  --cta-bg-3: rgba(245, 124, 33, 0.08);

  --shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
  --shadow-soft: 0 8px 18px rgba(17, 38, 59, 0.05);
  --shadow-header: 0 4px 14px rgba(17, 38, 59, 0.06);
  --shadow-button: 0 12px 26px rgba(23, 159, 211, 0.18);

  --radius: 20px;
  --radius-button: 14px;
  --radius-card: 24px;
  --radius-stat: 18px;
  --radius-cta: 28px;
  --radius-input: 16px;
  --radius-pill: 999px;
  --radius-nav-toggle: 12px;

  --max: 1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    linear-gradient(
      180deg,
      var(--bg-gradient-start) 0%,
      var(--bg-gradient-mid) 54%,
      var(--bg-gradient-end) 100%
    );
  color: var(--text);
  line-height: 1.6;
}

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

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--panel);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: var(--shadow-header);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 1rem;
}

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

.brand-logo {
  display: block;
  height: 64px;
  width: auto;
  max-width: 340px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line-soft-7);
  background: var(--panel);
  color: var(--text-strong);
  border-radius: var(--radius-nav-toggle);
  padding: 0.75rem 0.9rem;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.8rem 1rem;
  color: var(--text-nav);
  border-radius: var(--radius-pill);
  transition: 0.25s ease;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--text-nav-strong);
  background: var(--accent-ghost);
  outline: none;
}

.hero {
  position: relative;
  overflow: clip;
  min-height: 92svh;
  display: grid;
  align-items: center;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
}

.hero-media video,
.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.02) contrast(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(
      90deg,
      var(--hero-overlay-left) 10%,
      var(--hero-overlay-mid) 40%,
      var(--hero-overlay-right) 100%
    ),
    linear-gradient(
      180deg,
      var(--hero-overlay-bottom-start) 0%,
      var(--hero-overlay-bottom-end) 100%
    );
}

.hero-glow {
  position: absolute;
  inset: auto auto 8% -10%;
  width: 48vw;
  height: 48vw;
  max-width: 640px;
  max-height: 640px;
  border-radius: var(--radius-pill);
  background: radial-gradient(
    circle,
    var(--hero-glow-1) 0%,
    var(--hero-glow-2) 36%,
    var(--hero-glow-3) 72%
  );
  z-index: -1;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: end;
  padding: 3rem 0 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--accent-strong);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 54px;
  height: 1px;
  background: var(--accent-ghost-5);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 11ch;
  color: var(--text-strong);
}

.hero p {
  max-width: 58ch;
  margin: 1.5rem 0 0;
  font-size: clamp(1.03rem, 1.7vw, 1.18rem);
  color: var(--text);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.3rem;
  border-radius: var(--radius-button);
  font-weight: 700;
  transition: 0.25s ease;
  border: 1px solid transparent;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: var(--panel);
  box-shadow: var(--shadow-button);
}

.button-primary:hover,
.button-primary:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-secondary {
  background: var(--panel);
  border-color: var(--line-soft-2);
  color: var(--text-strong);
  box-shadow: var(--shadow-soft);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--bg-soft-2);
  border-color: var(--accent-ghost-2);
  outline: none;
}

.hero-card {
  justify-self: end;
  width: min(100%, 420px);
  padding: 1.35rem;
  border-radius: var(--radius-card);
  background: var(--panel-glass);
  border: 1px solid var(--line-soft-3);
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}
.hero-rocket {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: clamp(300px, 30vw, 420px);
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 0;
}

.hero-rocket video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.7) brightness(1.50) contrast(1) hue-rotate(0deg);

  -webkit-mask-image: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.0) 0%,
    rgba(0, 0, 0, 0.0) 0%,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 1) 100%
  );
  mask-image: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.0) 0%,
    rgba(0, 0, 0, 0.0) 0%,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 1) 100%
  );

  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-card {
  position: relative;
  z-index: 2;
}
.hero-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.hero-stat {
  padding: 1rem;
  border-radius: var(--radius-stat);
  background: var(--panel-soft);
  border: 1px solid var(--line-soft-4);
}

.hero-stat strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1;
  margin-bottom: 0.35rem;
  color: var(--text-strong);
}

.section {
  padding: 5.5rem 0;
}

.section-header {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 760px;
}

.section-header h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}

.section-header p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.split-grid,
.card-grid,
.project-grid,
.news-grid,
.footer-grid {
  display: grid;
  gap: 1.3rem;
}

.split-grid {
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.panel {
  padding: 1.5rem;
}

.lead-copy {
  font-size: 1.08rem;
  color: var(--text);
}

.soft-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.85rem;
}

.soft-list li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  color: var(--muted);
}

.soft-list li::before {
  content: "✦";
  color: var(--accent-warm);
  flex: 0 0 auto;
  margin-top: 0.05rem;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.project-card,
.news-card {
  padding: 1.5rem;
}

.feature-card h3,
.project-card h3,
.news-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.feature-card p,
.project-card p,
.news-card p {
  margin: 0;
  color: var(--muted);
}

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

.project-card {
  min-height: 250px;
  display: grid;
  align-content: start;
  gap: 1rem;
}

.tag {
  display: inline-flex;
  width: fit-content;
  padding: 0.42rem 0.72rem;
  border-radius: var(--radius-pill);
  background: var(--accent-ghost-4);
  color: var(--accent-strong);
  border: 1px solid var(--accent-ghost-3);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.cta-band {
  padding: 2rem;
  border-radius: var(--radius-cta);
  background:
    linear-gradient(
      135deg,
      var(--cta-bg-1),
      var(--cta-bg-2),
      var(--cta-bg-3)
    );
  border: 1px solid var(--line-soft-5);
  box-shadow: var(--shadow);
}

.cta-band h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}

.cta-band p {
  margin: 0 0 1.4rem;
  color: var(--text);
  max-width: 62ch;
}

.news-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signup-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.9rem;
  margin-top: 1rem;
}

.signup-form input {
  min-height: 54px;
  border-radius: var(--radius-input);
  border: 1px solid var(--line-soft);
  background: var(--panel);
  color: var(--text-strong);
  padding: 0 1rem;
  font: inherit;
}

.signup-form input::placeholder {
  color: var(--placeholder);
}

.site-footer {
  border-top: 1px solid var(--line-soft-6);
  padding: 2.5rem 0 3rem;
  background: var(--footer-bg);
}

.footer-grid {
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
  align-items: start;
}

.footer-grid h3,
.footer-grid h4 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--text-strong);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.footer-list a {
  color: var(--muted);
}

.footer-note {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--panel);
  color: var(--skip-link-text);
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

@media (max-width: 980px) {
  .hero-inner,
  .split-grid,
  .card-grid,
  .project-grid,
  .news-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding-top: 6rem;
  }

  .hero-card {
    justify-self: stretch;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    background: var(--mobile-nav-bg);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 0.75rem;
    box-shadow: var(--shadow);
    display: none;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a {
    width: 100%;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-actions,
  .signup-form {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 4.3rem 0;
  }
}