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

/* Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1100;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Animate to X when active */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Show on mobile */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: 70px;
    right: -100%;
    flex-direction: column;
    gap: 20px;
    background: rgba(10,10,20,0.95);
    padding: 25px;
    border-radius: 12px;
    transition: right 0.3s ease;
  }
  .nav-links.show {
    right: 20px;
  }
}


body {
  background: #0a0a0f;
  color: #f1f1f1;
  font-family: 'Inter', sans-serif;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.logo {
  font-size: 2.5rem;
  font-weight: 900;
  color: #00bfff;
}

/* Background Animation */
.background {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  overflow: hidden;
  z-index: -1;
}

.circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,191,255,0.3), transparent);
  animation: float 20s infinite ease-in-out;
}

.circle1 { width: 500px; height: 500px; top: 10%; left: -5%; }
.circle2 { width: 400px; height: 400px; bottom: 5%; right: -5%; }
.circle3 { width: 300px; height: 300px; top: 50%; left: 50%; }
.circle4 { width: 250px; height: 250px; bottom: 30%; left: 10%; }
.circle5 { width: 350px; height: 350px; top: 70%; right: 20%; }

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-50px) translateX(50px); }
}

/* =====================
   NAVBAR
===================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 60px;
  background: rgba(10, 10, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #00bfff;
  text-shadow: 0 0 10px #00bfff;
}

.nav-links {
  display: flex;
  gap: 25px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: #ccc;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #00ffaa;
}

.btn-nav {
  background: linear-gradient(90deg, #00bfff, #0077ff);
  padding: 10px 20px;
  border-radius: 25px;
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 5px 15px rgba(0,191,255,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-nav:hover,
.btn-nav.active {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0,191,255,0.6);
}



/* Hero */
.hero {
  text-align: center;
  padding: 140px 20px;
}

.hero h1 {
  font-size: 3.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(90deg, #00bfff, #009acd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: glowText 2s infinite alternate;
}

@keyframes glowText {
  0% { text-shadow: 0 0 5px #00bfff; }
  100% { text-shadow: 0 0 20px #00bfff; }
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  color: #bbb;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons Base */
.buttons .btn, .btn-nav {
  margin: 10px;
  padding: 16px 36px;
  border-radius: 30px;
  font-size: 1.05rem;
  font-weight: 700;
  transition: all 0.4s ease;
  display: inline-block;
  text-decoration: none; /* removes underline */
  text-align: center;
  cursor: pointer;
  box-shadow: 0 6px 25px rgba(0, 191, 255, 0.3);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(90deg, #00bfff, #009acd);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 35px rgba(0, 191, 255, 0.5);
}

/* Secondary Button */
.btn-secondary {
  background: linear-gradient(90deg, transparent, transparent);
  border: 2px solid #00bfff;
  color: #00bfff;
}

.btn-secondary:hover {
  background: #00bfff;
  color: #fff;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 30px rgba(0, 191, 255, 0.5);
}

/* Large CTA Button */
.btn-large {
  font-size: 1.3rem;
  padding: 18px 45px;
}


/* Features */
.features {
  padding: 100px 60px;
  text-align: center;
}

.features h2 {
  font-size: 2.7rem;
  margin-bottom: 60px;
  color: #00bfff;
  text-shadow: 0 0 10px rgba(0,191,255,0.5);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(20, 20, 30, 0.85);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow: 0 6px 25px rgba(0,191,255,0.2);
  transition: all 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 15px 40px rgba(0,191,255,0.4);
}

.feature-card .icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.feature-card h3 {
  margin-bottom: 15px;
  color: #00bfff;
}

/* About */
.about {
  padding: 100px 60px;
  background: #111119;
  text-align: center;
}

.about h2 {
  font-size: 2.4rem;
  margin-bottom: 20px;
  color: #00bfff;
}

.about p {
  color: #ccc;
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto;
}

/* CTA */
.cta {
  text-align: center;
  padding: 100px 20px;
}

.cta h2 {
  font-size: 2.6rem;
  margin-bottom: 30px;
  text-shadow: 0 0 10px rgba(0,191,255,0.4);
}

/* CTA Button - Neon Glow */
.cta .btn-large {
  font-size: 1.4rem;
  padding: 20px 50px;
  border-radius: 35px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(90deg, #00bfff, #009acd);
  box-shadow: 0 0 15px #00bfff, 0 0 30px #00bfff, 0 0 45px #009acd;
  text-decoration: none;
  display: inline-block;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

/* Neon Glow Animation */
.cta .btn-large::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0,191,255,0.4) 0%, transparent 60%);
  animation: glowPulse 2.5s infinite linear;
  pointer-events: none;
  border-radius: 50%;
}

@keyframes glowPulse {
  0% { transform: translate(0,0) scale(1); opacity: 0.5; }
  50% { transform: translate(20%, 20%) scale(1.2); opacity: 0.8; }
  100% { transform: translate(0,0) scale(1); opacity: 0.5; }
}

.cta .btn-large:hover {
  transform: translateY(-5px) scale(1.08);
  box-shadow: 0 0 25px #00bfff, 0 0 50px #00bfff, 0 0 70px #009acd;
  background: linear-gradient(90deg, #009acd, #00e0ff);
}


/* Footer */
.footer {
  text-align: center;
  padding: 30px;
  background: #0b0b0f;
  color: #888;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}