* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #05060b);
  color: #fff;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* SCROLL PROGRESS BAR */
#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, #00d4ff, #0077ff, #00d4ff);
  width: 0%;
  z-index: 1001;
  box-shadow: 0 0 12px #00d4ff, 0 0 24px #0077ff;
  transition: width 0.2s ease-out;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10,12,24,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
nav {
  max-width: 1200px;
  margin: auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  font-size: 20px;
  cursor: pointer;
  opacity: 0.95;
  transition: 0.25s ease;
}

.logo:hover {
  color: #00d4ff;
  text-shadow: 0 0 10px #00d4ff;
}
.logo-avatar {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(0,212,255,0.6);
  box-shadow: 0 0 10px rgba(0,212,255,0.6);
  transition: 0.25s ease;
}

.logo:hover .logo-avatar {
  transform: scale(1.08);
  box-shadow: 0 0 16px rgba(0,212,255,0.9);
}

.hero {
  width: min(1200px, 92vw);
  margin: 40px auto;
  padding: 24px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;

  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;

  backdrop-filter: blur(10px);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
}

/* image block */
.hero-media {
  flex: 0 0 320px;
}

.hero-media img {
  width: 100%;
  border-radius: 16px;
}

/* content block */
.hero-content {
  flex: 1;
}

/* 🔁 THIS flips layout */
.hero.reverse {
  flex-direction: row-reverse;
}

@media (max-width: 768px) {
  main {
    width: 100%;
    padding: 12px;
  }

  .hero {
    width: 100%;
    margin: 12px 0;
    border-radius: 16px;
    flex-direction: column;
    text-align: center;
  }
  .hero.reverse {
    flex-direction: column;
  }

  .hero-media {
    width: 100%;
    max-width: 360px;
  }
}


/* DESKTOP MENU */
.menu {
  list-style: none;
  display: flex;
  gap: 14px;
  align-items: center;
  margin-left: auto;
  padding: 6px;
  border-radius: 999px;
  background: rgba(0,0,0,0.25);
  box-shadow: 0 0 30px rgba(0,212,255,0.08);
}

.menu > li {
  position: relative;
}

/* Rounded button links */
.menu a {
  font-size: 13px;
  opacity: 0.9;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
  transition: all 0.25s ease;
  cursor: pointer;
  display: inline-block;
}

/* Hover */
.menu a:hover {
  opacity: 1;
  color: #00d4ff;
  border-color: rgba(0,212,255,0.5);
  box-shadow:
    0 0 8px rgba(0,212,255,0.6),
    inset 0 0 8px rgba(0,212,255,0.2);
  transform: translateY(-2px);
}

/* Current page */
.menu a.current {
  color: #00d4ff;
  border-color: #00d4ff;
  box-shadow:
    0 0 10px #00d4ff,
    inset 0 0 10px rgba(0,212,255,0.3);
}

/* Remove underline animation from old style */
.menu a::after,
.menu a:hover::after,
.menu a.current::after {
  display: none;
}

/* SUBMENU */
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: linear-gradient(180deg, #171a32, #0d0f1f);
  border: 1px solid rgba(255,255,255,0.08);
  list-style: none;
  min-width: 200px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
  pointer-events: none;
}
.submenu li a { display: block; padding: 10px 18px; font-size: 12px; opacity: 0.85; }
.submenu li a:hover, .submenu li a.current { background: rgba(0,212,255,0.15); color: #00d4ff; text-shadow: 0 0 8px #00d4ff; }
.menu li:hover > .submenu, .menu li:focus-within > .submenu { opacity: 1; visibility: visible; pointer-events: auto; }

/* HAMBURGER */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; transition: all 0.3s; }
.hamburger span { width: 22px; height: 2px; background: #fff; transition: all 0.3s; }
.hamburger:hover span { background: #00d4ff; }

/* MOBILE MENU */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease;
  z-index: 998;
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 60%;
  max-width: 320px;
  height: 100%;
  background: #060714;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  padding: 60px 24px 24px 24px;
  z-index: 999;
  box-shadow: -4px 0 20px rgba(0,0,0,0.6);
  overflow-y: auto;
}
.mobile-menu.active { transform: translateX(0); }

.mobile-close { position: absolute; top: 16px; right: 16px; font-size: 28px; cursor: pointer; opacity: 0.8; transition: opacity 0.2s; }
.mobile-close:hover { opacity: 1; }

.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.mobile-menu a { font-size: 18px; opacity: 0.85; display: flex; justify-content: space-between; align-items: center; padding: 12px 0; transition: all 0.3s ease; }
.mobile-menu li { cursor: pointer; position: relative; }

/* Neon divider */
.mobile-menu ul li::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, #00d4ff, #0077ff);
  transition: width 0.6s ease;
  opacity: 0.6;
}
.mobile-menu.active ul li::after { width: 100%; }

/* Mobile submenu */
.mobile-submenu {
  list-style: none;
  padding-left: 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
}
.mobile-submenu.active { max-height: 500px; opacity: 1; }
.mobile-submenu li a:hover, .mobile-submenu li a.current { color: #00d4ff; text-shadow: 0 0 8px #00d4ff; }

/* Mobile current page glow */
.mobile-menu a.current, .mobile-submenu li a.current { color: #00d4ff; text-shadow: 0 0 8px #00d4ff, 0 0 12px #00d4ff; }

.arrow { display: inline-block; transition: transform 0.3s ease; }
.arrow.open { transform: rotate(90deg); }

/* MAIN CONTENT */
main { width: min(1200px, 92vw); margin: auto; padding: clamp(12px, 3vw, 20px);  flex: 1; text-align: center; display: flex; flex-direction: column; justify-content: center; opacity: 0; transform: translateY(20px); animation: heroFadeIn 1s forwards 0.3s; }
h1 { font-size: clamp(36px, 6vw, 64px); margin-bottom: 8px; }
p { max-width: 680px; margin: auto; opacity: 0.8; line-height: 1.7; margin-bottom: 40px; text-align: justify; }
@keyframes heroFadeIn { to { opacity: 1; transform: translateY(0); } }

.cta { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn { padding: 14px 26px; font-size: 13px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); backdrop-filter: blur(6px); transition: all 0.3s ease; cursor: pointer; }
.btn:hover { background: #fff; color: #000; }

/* FOOTER */
footer { border-top: 1px solid rgba(255,255,255,0.08); padding: 28px 20px; background: #080a18; }
.footer-inner { max-width: 1200px; margin: auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.socials a { font-size: 12px; opacity: 0.7; margin-right: 14px; }
.socials a:hover { opacity: 1; }
.copyright { font-size: 12px; opacity: 0.6; }

@media (max-width: 900px) { 
  .menu { display: none; } 
  .hamburger { display: flex; } 
  main {
    width: 92vw;
    padding: 16px;
  }
}
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    padding: 40px 20px;
    gap: 24px;
  }

  .hero-left-image {
    width: 100%;
    min-height: 260px;
  }
}
.top-ad {
  position: sticky;
  top: 60px; /* adjust depending on your topbar height */

  width: 100%;
  z-index: 999;

  padding: 8px 12px;
  text-align: center;

  font-size: 12px;
  font-weight: 700;

  background: linear-gradient(90deg, #062a1f, #0b4a35, #062a1f);
  border-bottom: 1px solid rgba(25,245,163,0.25);

  color: #19f5a3;

  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.top-ad {
  animation: adGlow 3s ease-in-out infinite alternate;
}

@keyframes adGlow {
  from { box-shadow: 0 0 8px rgba(25,245,163,0.1); }
  to { box-shadow: 0 0 18px rgba(25,245,163,0.3); }
}
/* HERO TYPOGRAPHY SYSTEM */
.hero-content h2 {
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.2;

  color: #ffffff;

  /* subtle glow for identity */
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.15);

  margin-bottom: 12px;
}

.hero-content p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);

  margin-bottom: 14px;

  /* improves readability on dark backgrounds */
  max-width: 65ch;
}

/* optional emphasis styling inside paragraphs */
.hero-content p strong {
  color: #00d4ff;
  font-weight: 600;
}

/* optional subtle “intro feel” spacing */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero-content h2::after {
  content: "";
  display: block;

  width: 60px;
  height: 3px;

  margin: 10px 0 0;   /* reset first */
  margin-left: auto;
  margin-right: auto;

  background: linear-gradient(90deg, #00d4ff, transparent);
  border-radius: 999px;

  opacity: 0.85;
}
#scrollTopBtn {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(10, 12, 24, 0.75);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: #00d4ff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 212, 255, 0.08), inset 0 0 12px rgba(0, 212, 255, 0.05);
  opacity: 0;
  transform: translateY(16px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
#scrollTopBtn.show { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
#scrollTopBtn:hover { border-color: rgba(0, 212, 255, 0.6); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55), 0 0 18px rgba(0, 212, 255, 0.25), inset 0 0 14px rgba(0, 212, 255, 0.08); transform: translateY(-2px) scale(1.02); }