:root {
  --nav-bg: rgba(13, 13, 13, 0.6);
  --nav-glass-bg: rgba(255, 255, 255, 0.06);
  --nav-scroll-bg: rgba(13, 13, 13, 0.95);
  --blur: blur(14px);
  --border: rgba(255, 255, 255, 0.1);
  --text: rgb(235, 246, 255);
  --accent: #a259ff;
  --nav-text: rgb(178, 111, 255);
  --nav-scroll-color:  rgb(140, 0, 255);
  --nav-btn-bg: rgb(255, 255, 255);
  --nav-btn-shadow: rgb(95, 157, 231, 0.48);
  --nav-hover-shadow: rgba(186, 141, 249, 0.48);
  --nav-dark-bg: rgba(0, 0, 0, 0.9);
  --nav-toggle-scrolled: #35475e;
  --nav-hover-text: #e7b3ff;
  --nav-hover-shadow-text: rgba(193, 60, 255, 0.822);

}

html {
  scroll-behavior: smooth;
}

/* Header Base */
.main-header {
  position: fixed;
  width: 100dvw;
  top: 0;
  z-index: 999;
  background-color: transparent;
  transition: background-color 0.4s ease;
}

.main-header.scrolled {
  background-color: var(--nav-scroll-color);
}

/* Navigation Layout */
.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  max-width: 1200px;
  margin: auto;
  color: var(--text);
}

/* Logo */
.nav-logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--accent);
  text-decoration: none;
  height: 2rem;
  transition: opacity 0.3s ease-in-out;


}

/* Center Menu */
.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  background: var(--nav-glass-bg);
  backdrop-filter: var(--blur);
  border-radius: 20px;
  padding: 0.6rem 1.2rem;
  margin: 0;
}

.nav-menu li a {
  color: var(--text);
  font-weight: 450;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.nav-menu li a:hover {
  color: var(--nav-text);
}

.nav-menu.scrolled li a {
  color: #ffffff;
}

/* Right Icons / CTA */
.nav-right {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-right a {
  color: var(--text);
  font-size: 1.5rem;
  transition: color 0.3s ease;
}

.nav-right a:hover {
  color: var(--nav-text);
}

/* Hamburger Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
  transform: translateX(-1rem);
}

.nav-toggle.scrolled {
  color: var(--nav-toggle-scrolled);
}

.nav-toggle i {
  transition: transform 0.3s ease;
}

/* Contact Button */
.nav-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  background-color: transparent;
  color: var(--text);
  border: 2px solid var(--accent);
  border-radius: 35px;
  padding: 16px 24px 16px 28px;
  transform: translate(0, 0) rotate(0deg);
  transition: background-color 0.4s ease, box-shadow 0.2s;
}

.nav-contact-btn.scrolled {
  color: #516d91;
  background-color: var(--nav-btn-bg);
  /* box-shadow: -4px -2px 16px #ffffff, 4px 2px 16px var(--nav-btn-shadow); */
}

.nav-contact-btn.scrolled:hover {
  background-color: #23262a;
  color: aliceblue;
  transform: none;
  box-shadow: none;
  border-color:transparent ;
}

.nav-contact-btn:hover {
  box-shadow: -2px -1px 8px #7b0685, 2px 1px 8px var(--nav-hover-shadow);
}

.nav-contact-btn:active {
  box-shadow: none;
}

/* ======================
   Mobile Styles
====================== */
@media (max-width: 870px) {
  .nav-menu {
    z-index: 999;
    flex-direction: column;
    align-items: center;
    background-color: var(--nav-dark-bg);
    max-height: 0;
    overflow: hidden;
    padding: 0;
    border-radius: 0 0 12px 12px;
    transition: max-height 0.4s ease-in-out, padding 0.3s ease;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100vw;
  }

  .nav-menu.show {
    max-height: 300px;
    padding: 1rem 0;
  }

  .nav-menu li {
    padding: 0.5rem 0;
  }

  .nav-contact-btn {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .main-header.scrolled .nav-toggle {
    /* color: var(--nav-toggle-scrolled); */
    color: white;
  }

  .nav-right a {
    display: none;
  }

  .nav-menu.scrolled li a {
    color: var(--text);
  }

  .nav-menu.scrolled li a:hover {
    color: var(--nav-hover-text);
    text-shadow: 5px 5px 10px var(--nav-hover-shadow-text);
  }
}