/* ================= RESET ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

/* ================= BODY : PURE CSS NEON TECH BACKGROUND ================= */
body {
  min-height: 100vh;
  color: #eaf2ff;
  background:
    radial-gradient(circle at 15% 10%, rgba(0,200,255,0.18), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(150,0,255,0.15), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(0,255,200,0.12), transparent 50%),
    linear-gradient(180deg, #020b18, #06122e 55%, #020b18);
  overflow-x: hidden;
}

/* ================= TOP NAV ================= */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: #4cc9f0;
}

.tagline {
  font-size: 12px;
  color: #9ad9ff;
}

.top-nav nav a {
  color: #cfefff;
  text-decoration: none;
  margin-left: 14px;
  font-size: 14px;
}

.top-nav nav a:hover {
  color: #4cc9f0;
}

/* ================= HERO ================= */
.hero {
  margin: 28px auto 10px;
  padding: 28px 20px;
  max-width: 820px;
  text-align: center;
  background: linear-gradient(
    135deg,
    rgba(76,201,240,0.15),
    rgba(0,0,0,0)
  );
  border-radius: 20px;
}

.hero h1 {
  font-size: 24px;
  color: #4cc9f0;
  margin-bottom: 10px;
}

.hero p {
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.9;
}

/* ================= MAIN APP ================= */
#app {
  max-width: 780px;
  margin: 20px auto;
  padding: 22px 18px 28px;
  background: rgba(6,18,46,0.75);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: 1px solid rgba(76,201,240,0.25);
}

/* ================= TEXT CONTENT (HOME SEO) ================= */
.home-content {
  background: rgba(12,30,60,0.6);
  border-radius: 16px;
  padding: 18px;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}

/* ================= SECTION TITLE ================= */
.section-title {
  margin: 26px 0 14px;
  font-size: 18px;
  color: #9ad9ff;
  border-left: 4px solid #4cc9f0;
  padding-left: 10px;
}

/* ================= OPTION CARDS ================= */
.option {
  background: linear-gradient(145deg, #0e2a47, #08192d);
  padding: 16px 18px;
  margin: 14px 0;
  border-radius: 16px;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.25s ease;
  border: 1px solid rgba(76,201,240,0.25);
}

.option:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 22px rgba(76,201,240,0.25);
}

.option.highlight {
  border: 1px solid #4cc9f0;
}

.coffee-btn {
  background: linear-gradient(135deg, #ffb703, #fb8500);
  color: #000;
  font-weight: 600;
}

/* ================= MCQ ================= */
.qno {
  color: #4cc9f0;
  margin-bottom: 8px;
}

.question {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 10px;
}

.question.hi {
  font-size: 15px;
  opacity: 0.9;
}

.option.correct {
  background: #00ff99 !important;
  color: #000;
}

.option.wrong {
  background: #ff4d4d !important;
  color: #000;
}

/* ================= BOARD VIEW (IMPORTANT) ================= */
.board-view #app {
  max-width: 960px;
}

.board-view .question {
  font-size: 18px;
  line-height: 1.7;
}

.board-view .question.hi {
  font-size: 16px;
}

.board-view .option {
  font-size: 16px;
  padding: 18px;
}

/* ================= OWNER ================= */
.owner-section {
  margin-top: 50px;
}

.owner-overlay {
  background: rgba(0,0,0,0.65);
  padding: 60px 18px;
}

.owner-card {
  max-width: 520px;
  margin: auto;
  background: rgba(10,25,45,0.85);
  border-radius: 20px;
  padding: 28px 22px;
  text-align: center;
  border: 1px solid rgba(76,201,240,0.3);
}

.owner-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid #4cc9f0;
  margin-bottom: 14px;
}

.owner-title {
  font-size: 14px;
  color: #9ad9ff;
}

.owner-desc {
  font-size: 14px;
  line-height: 1.6;
}

/* ================= FOOTER ================= */
.site-footer {
  margin-top: 40px;
  padding: 18px;
  background: rgba(0,0,0,0.6);
  text-align: center;
  font-size: 13px;
}

.footer-links a {
  color: #4cc9f0;
  text-decoration: none;
}

/* ================= POPUP ================= */
.coffee-popup {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.coffee-box {
  background: #0b1d33;
  padding: 24px;
  border-radius: 18px;
  width: 92%;
  max-width: 360px;
  text-align: center;
  position: relative;
}

.close-btn {
  position: absolute;
  top: 10px;
  right: 14px;
  cursor: pointer;
  font-size: 18px;
}

.qr-img {
  width: 200px;
  max-width: 100%;
  margin: 14px 0;
}

/* ================= MOBILE ================= */
@media (max-width: 600px) {

  .hero h1 {
    font-size: 20px;
  }

  .hero p {
    font-size: 13px;
  }

  #app {
    margin: 16px 10px;
    padding: 18px 14px;
  }

  .question {
    font-size: 15.5px;
  }

  .board-view .question {
    font-size: 17px;
  }

  .option {
    font-size: 15px;
    padding: 15px;
  }
}
/* ================= SAFE AD CONTAINER ================= */
.ad-container {
  margin: 24px 0;
  padding: 12px 0;
  text-align: center;
}

.ad-container iframe,
.ad-container img,
.ad-container div {
  pointer-events: auto;
}

/* Ad ko buttons se visually alag rakho */
.ad-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, #4cc9f0, transparent);
  margin: 28px 0;
}