/* YourTube landing page — light parent-facing theme */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header --- */

.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid #eee;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.logo-your {
  color: #1a1a1a;
}

.logo-tube {
  color: #ff4444;
}

.header-login {
  color: #555;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  transition: border-color 0.15s, color 0.15s;
}

.header-login:hover {
  border-color: #999;
  color: #1a1a1a;
}

/* --- Hero --- */

.hero {
  padding: 5rem 0 4.5rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  max-width: 680px;
  margin: 0 auto 1.25rem;
  color: #111;
}

.hero-sub {
  font-size: 1.2rem;
  line-height: 1.55;
  color: #555;
  max-width: 540px;
  margin: 0 auto 2.25rem;
}

.cta-btn {
  display: inline-block;
  padding: 0.9rem 2.25rem;
  background: #ff4444;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 2px 8px rgba(255, 68, 68, 0.25);
}

.cta-btn:hover {
  background: #e83333;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 68, 68, 0.3);
}

.cta-btn:active {
  transform: translateY(0);
}

/* --- Kid code entry --- */

.kid-code-entry {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid #e0e0e0;
}

.kid-code-label {
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 0.75rem;
}

.code-form {
  display: flex;
  gap: 0.5rem;
  max-width: 400px;
  margin: 0 auto;
}

.code-form input {
  flex: 1;
  padding: 0.7rem 1rem;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  text-align: center;
  letter-spacing: 0.5px;
}

.code-form input:focus {
  outline: none;
  border-color: #ff4444;
}

.code-btn {
  padding: 0.7rem 1.5rem;
  background: #ff4444;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.code-btn:hover {
  background: #e83333;
}

.code-error {
  color: #ff4444;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.hidden { display: none !important; }

/* --- How it works --- */

.how-it-works {
  padding: 4.5rem 0;
  background: #fafafa;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 3rem;
  color: #111;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step {
  background: #fff;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  border: 1px solid #e8e8e8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ff4444;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #111;
}

.step p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.55;
}

/* --- Trust section --- */

.trust {
  padding: 4rem 0;
}

.trust-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.trust-point h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: #111;
}

.trust-point p {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.55;
}

/* --- Footer --- */

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid #eee;
  text-align: center;
}

.site-footer p {
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-link {
  color: #888;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

.footer-link:hover {
  color: #555;
}

/* --- Responsive --- */

@media (max-width: 768px) {
  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero h1 {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  .steps {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .trust-points {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
    gap: 1.5rem;
  }

  .how-it-works {
    padding: 3rem 0;
  }

  .how-it-works h2 {
    margin-bottom: 2rem;
  }

  .trust {
    padding: 3rem 0;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.65rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .cta-btn {
    padding: 0.8rem 1.75rem;
    font-size: 1rem;
  }

  .step {
    padding: 1.5rem 1.25rem;
  }
}