body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: #ffffff;
}
/* LANDING PAGE */

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 700;
}

.nav-btn,
.primary-btn {
    background: #38bdf8;
    color: #020617;
    text-decoration: none;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: bold;
}

.secondary-btn {
    border: 1px solid #38bdf8;
    color: #38bdf8;
    text-decoration: none;
    padding: 14px 24px;
    border-radius: 10px;
}

.hero-content {
    max-width: 900px;
    margin: 80px auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 60px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 22px;
    color: #cbd5e1;
    line-height: 1.6;
}

.hero-buttons {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.features {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 25px;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.card {
    background: #111827;
    padding: 30px;
    border-radius: 18px;
    border: 1px solid #334155;
    box-shadow: 0 10px 25px rgba(0,0,0,.25);
}

.card h3 {
    margin-top: 0;
}

.disclaimer {
    max-width: 1000px;
    margin: 60px auto;
    text-align: center;
    color: #94a3b8;
}

footer {
    text-align: center;
    padding: 30px;
    color: #94a3b8;
}
.hero {
    text-align: center;
    padding: 90px 20px;
    background: linear-gradient(135deg, #020617, #1e3a8a);
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 22px;
    color: #cbd5e1;
}

.cta-btn {
    display: inline-block;
    margin-top: 25px;
    background: #38bdf8;
    color: #020617;
    padding: 16px 28px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: bold;
}

.section {
    max-width: 1100px;
    margin: 50px auto;
    padding: 0 25px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.card {
    background: #111827;
    padding: 28px;
    border-radius: 16px;
    border: 1px solid #334155;
    box-shadow: 0 12px 35px rgba(0,0,0,.25);
}

footer {
    text-align: center;
    padding: 30px 20px;
    color: #cbd5e1;
}
.app-header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #020617, #1e3a8a);
}

.app-header h1 {
    margin: 0;
    font-size: 42px;
}

.app-header p {
    color: #cbd5e1;
    font-size: 18px;
}

.back-btn {
    display: inline-block;
    margin-top: 20px;
    background: #38bdf8;
    color: #020617;
    padding: 14px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
}

.quiz-container {
    max-width: 850px;
    margin: 40px auto;
    background: #111827;
    padding: 35px;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0,0,0,.35);
}

.question-counter {
    color: #38bdf8;
    font-weight: bold;
    margin-bottom: 15px;
}

#question {
    font-size: 26px;
    margin-bottom: 25px;
}

.answer {
    display: block;
    width: 100%;
    margin: 12px 0;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #334155;
    background: #1e293b;
    color: #ffffff;
    font-size: 17px;
    text-align: left;
    cursor: pointer;
}

.answer:hover {
    background: #334155;
}

.answer.selected {
    border: 2px solid #38bdf8;
    background: #0f2f4f;
}

.answer.correct {
    background: #064e3b;
    border: 2px solid #10b981;
}

.answer.incorrect {
    background: #7f1d1d;
    border: 2px solid #ef4444;
}

#submitBtn,
#nextBtn {
    margin-top: 20px;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    background: #2563eb;
    color: white;
    font-size: 16px;
    cursor: pointer;
}

#submitBtn:hover,
#nextBtn:hover {
    background: #1d4ed8;
}

#result {
    margin-top: 25px;
    padding: 18px;
    border-radius: 12px;
    font-size: 17px;
    background: #020617;
}

.progress-container {
  width: 100%;
  height: 12px;
  background: #d9e2ec;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #1e3a8a, #38bdf8);
  transition: width 0.3s ease;
}

#progressText {
  font-size: 0.9rem;
  color: #475569;
  margin-bottom: 15px;
}
#flagBtn {
  background: #f59e0b;
  color: #111827;
  border: none;
  border-radius: 10px;
  padding: 14px 22px;
  font-size: 16px;
  cursor: pointer;
  margin-left: 8px;
}

#flagBtn:hover {
  background: #fbbf24;
}
.founder-section {
    padding: 70px 20px;
    background: #061426;
}

.founder-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 50px;
}

.founder-image-card {
    flex: 0 0 360px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.founder-image {
    width: 100%;
    display: block;
    border-radius: 14px;
}

.founder-text {
    flex: 1;
    color: #ffffff;
}

.founder-label {
    color: #38bdf8;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 10px;
}

.founder-text h2 {
    font-size: 2rem;
    margin-bottom: 18px;
}

.founder-text p {
    line-height: 1.7;
    color: #dbeafe;
    margin-bottom: 20px;
}

.founder-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.founder-credentials span {
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: #e0f2fe;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: rgba(56, 189, 248, 0.08);
}

@media (max-width: 768px) {
    .founder-container {
        flex-direction: column;
        text-align: center;
    }

    .founder-image-card {
        flex: none;
        max-width: 340px;
        width: 100%;
    }

    .founder-credentials {
        justify-content: center;
    }
}