:root {
  --bg: #050814;
  --bg-alt: #090d1f;
  --accent: #5b8dff;
  --accent-soft: rgba(91, 141, 255, 0.25);
  --accent-2: #ff6fd8;
  --text-main: #f7f8ff;
  --text-soft: #a7b0d9;
  --card-bg: rgba(9, 13, 31, 0.9);
  --border-soft: rgba(255, 255, 255, 0.06);
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.65);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.28s ease-out;
}

/* LIGHT THEME OVERRIDE */
body.light {
  --bg: #f5f7ff;
  --bg-alt: #ffffff;
  --accent: #3056ff;
  --accent-soft: rgba(48, 86, 255, 0.12);
  --accent-2: #ff4fa3;
  --text-main: #111322;
  --text-soft: #4c5575;
  --card-bg: #ffffff;
  --border-soft: rgba(0, 0, 0, 0.06);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.18);
}

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

body.dev-body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #111633 0, #050814 55%, #02030a 100%);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* THEME TOGGLE */
.theme-toggle {
  position: fixed;
  top: 18px;
  right: 22px;
  z-index: 50;
  border: 1px solid var(--border-soft);
  background: linear-gradient(135deg, var(--bg-alt), var(--bg));
  color: var(--text-main);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast), background var(--transition-med);
}

.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.75);
  border-color: var(--accent-soft);
}

.theme-icon {
  font-size: 16px;
  opacity: 0.85;
}

body.light .theme-toggle {
  background: linear-gradient(135deg, #ffffff, #eef1ff);
}

/* HERO */
.dev-hero {
  padding: 80px 24px 40px;
  display: flex;
  justify-content: center;
}

.dev-hero-inner {
  max-width: 1080px;
  width: 100%;
  text-align: center;
  position: relative;
}

/* SHARDS */
.shard {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 40% 60% 70% 30%;
  background: radial-gradient(circle at 30% 0%, var(--accent-2), transparent 60%);
  opacity: 0.35;
  filter: blur(4px);
  pointer-events: none;
}

.shard-left {
  left: -40px;
  top: -20px;
}

.shard-right {
  right: -40px;
  top: -10px;
  background: radial-gradient(circle at 70% 0%, var(--accent), transparent 60%);
}

.dev-title {
  font-size: 2.6rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 18px;
  position: relative;
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  background: linear-gradient(
      135deg,
      rgba(91, 141, 255, 0.18),
      rgba(255, 111, 216, 0.12)
    );
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.dev-subtitle {
  margin: 0 auto;
  max-width: 720px;
  font-size: 0.98rem;
  color: var(--text-soft);
  line-height: 1.6;
}

/* GRID */
.dev-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 24px 60px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.dev-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--transition-med), box-shadow var(--transition-med),
    border-color var(--transition-med), background var(--transition-med);
}

.dev-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at top, var(--accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-med);
}

.dev-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.85);
  border-color: var(--accent-soft);
}

.dev-card:hover::before {
  opacity: 1;
}

.dev-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 0%, var(--accent), var(--accent-2));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 6px;
  color: #ffffff;
}

.dev-card h3 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.dev-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.5;
}

/* CTA */
.dev-cta {
  max-width: 900px;
  margin: 0 auto 70px;
  padding: 32px 24px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
      135deg,
      rgba(91, 141, 255, 0.22),
      rgba(255, 111, 216, 0.18)
    );
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.dev-cta h2 {
  margin: 0 0 10px;
  font-size: 1.6rem;
}

.dev-cta p {
  margin: 0 0 18px;
  font-size: 0.96rem;
  color: var(--text-main);
  opacity: 0.9;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    filter var(--transition-fast);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  filter: brightness(1.05);
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .dev-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .dev-hero {
    padding-top: 70px;
  }

  .dev-title {
    font-size: 1.9rem;
    padding: 10px 20px;
  }

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

  .dev-cta {
    margin-bottom: 40px;
  }
}

/* ========================= */
/*   MOBILE FRIENDLY LAYOUT  */
/* ========================= */

@media (max-width: 768px) {

    /* HEADER */
    .header {
        padding: 14px 20px;
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .header img {
        height: 45px;
    }

    .login-btn, .toggle-btn {
        padding: 8px 14px;
        font-size: 14px;
    }

    /* HERO */
    .hero {
        padding: 50px 16px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    /* MAIN CONTENT */
    .container {
        margin: 20px 12px;
        padding: 20px;
    }

    .container h2 {
        font-size: 22px;
    }

    .container p {
        font-size: 15px;
        line-height: 1.6;
    }

    /* NAV ROW */
    .nav-right-row {
        flex-direction: column;
        gap: 14px;
    }

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

    /* FOOTER */
    .eg-bottom-footer {
        flex-direction: column;
        padding: 30px 20px;
        gap: 28px;
        text-align: center;
    }

    .eg-footer-panel {
        min-width: unset;
    }

    .brand-panel {
        min-width: unset;
    }

    .eg-footer-logo {
        width: 70px;
    }

    /* SLIDER */
    .theme-slider {
        width: 120px;
        height: 12px;
    }

    .slider-orb {
        width: 26px;
        height: 26px;
        top: -7px;
    }

    .theme-slider.dark .slider-orb {
        left: 94px;
    }

    .slider-shard {
        display: none;
    }
}

@media (max-width: 480px) {

    /* HERO */
    .hero h1 {
        font-size: 26px;
    }

    .hero p {
        font-size: 15px;
    }

    /* MAIN CONTENT */
    .container {
        padding: 16px;
    }

    .container h2 {
        font-size: 20px;
    }

    .container p {
        font-size: 14px;
    }

    /* FOOTER */
    .eg-footer-brand-text {
        font-size: 0.85rem;
    }

    .eg-footer-copy {
        font-size: 0.75rem;
    }
}