:root {
  --bg-main: #050816;
  --bg-deep: #040611;
  --bg-section: #0a1020;
  --bg-card: #10182b;
  --bg-card-2: #141f36;

  --text-main: #f5f7fb;
  --text-soft: #c7d2e3;
  --text-muted: #93a4bd;

  --blue: #8fd3ff;
  --blue-strong: #5bc2ff;
  --purple: #9b87ff;

  --border: rgba(143, 211, 255, 0.14);
  --border-strong: rgba(143, 211, 255, 0.22);

  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

/* =========================
   HEADER
========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(5, 8, 22, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 4px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--text-soft);
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--blue);
}

/* =========================
   HERO
========================= */
.hero {
  padding: 56px 0 46px;
  background:
    radial-gradient(circle at top left, rgba(91, 194, 255, 0.08), transparent 26%),
    radial-gradient(circle at top right, rgba(155, 135, 255, 0.10), transparent 30%),
    linear-gradient(180deg, #050816 0%, #040611 100%);
}

.hero-logo {
  min-height: auto;
  display: flex;
  align-items: center;
}

.hero-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-logo-img {
  width: min(520px, 72vw);
  max-width: 520px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 18px rgba(91, 194, 255, 0.08));
}

.eyebrow,
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--blue);
  margin-bottom: 14px;
  font-weight: 700;
}

.hero-title {
  font-size: clamp(2.35rem, 4.8vw, 3.9rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin: 0 auto 18px;
}

.hero-description {
  font-size: 1.02rem;
  color: var(--text-soft);
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto 26px;
}

.centered-text {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 165px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--blue);
  color: #04111d;
}

.btn-primary:hover {
  background: #b1e3ff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(155, 135, 255, 0.12);
  border: 1px solid rgba(155, 135, 255, 0.28);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(155, 135, 255, 0.20);
  transform: translateY(-1px);
}

/* =========================
   MISSION / OBJECTIVE
========================= */
.mission-section {
  padding: 18px 0 54px;
  background: linear-gradient(180deg, #040611 0%, #070c19 100%);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.mission-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.mission-card h3 {
  color: var(--blue);
  font-size: 1.08rem;
  margin-bottom: 10px;
}

.mission-card p {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* =========================
   GENERAL SECTIONS
========================= */
.section {
  padding: 68px 0;
}

.section-dark {
  background: var(--bg-section);
}

.section-darker {
  background: #070c19;
}

.section h2 {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  margin-bottom: 18px;
  line-height: 1.15;
}

.section p {
  color: var(--text-soft);
  max-width: 860px;
}

.section-narrow {
  max-width: 900px;
}

.section-narrow p + p {
  margin-top: 16px;
}

/* =========================
   FOUNDERS
========================= */
.founders-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.founder-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.founder-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center 30%;
  border-radius: 16px 16px 0 0;
}

.founder2-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center 40%;
}

.founder-content {
  padding: 22px;
}

.founder-content h3 {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.founder-role {
  color: var(--purple);
  font-weight: 700;
  margin-bottom: 12px;
}

.founder-content p {
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* =========================
   FEATURES
========================= */
.features-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-card {
  background: linear-gradient(180deg, var(--bg-card), #0d1527);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.feature-card h3 {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 1.08rem;
}

.feature-card p {
  font-size: 0.98rem;
  color: var(--text-soft);
  line-height: 1.65;
}

/* =========================
   FOOTER
========================= */
.site-footer {
  padding: 64px 0;
  background:
    radial-gradient(circle at bottom left, rgba(155, 135, 255, 0.12), transparent 30%),
    #040711;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.footer-text {
  max-width: 620px;
  color: var(--text-soft);
}

.contact-card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.contact-card p {
  margin-bottom: 10px;
  color: var(--text-soft);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 980px) {
  .mission-grid,
  .footer-grid,
  .founders-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-direction: column;
    justify-content: center;
    padding: 16px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-logo-img {
    width: min(440px, 82vw);
  }

  .founder-image,
  .founder2-img {
    height: 400px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 46px 0 42px;
  }

  .logo-img {
    width: 48px;
    height: 48px;
  }

  .brand-subtitle {
    display: none;
  }

  .brand-name {
    font-size: 0.96rem;
  }

  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-description {
    font-size: 0.98rem;
  }

  .btn {
    width: 100%;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }

  .founder-image,
  .founder2-img {
    height: 220px;
  }

  .section {
    padding: 56px 0;
  }
}