/* BASE */

body {
  margin: 0;
  background: #F8F8F8;
  font-family: "Libre Franklin", sans-serif;
  color: #4F4F4D;
}

/* NAVIGATION */

.navbar {
  position: sticky;
  top: 0;
  background: #ffffff;
  border-bottom: 1px solid #E2E2E2;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 50;
}

.nav-title {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a {
  margin-left: 16px;
  text-decoration: none;
  color: #545151;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-links a:hover {
  border-bottom-color: #9B2915;
  color: #000000;
}

.nav-links a.active {
  border-bottom-color: #9B2915;
}

/* SCROLLY LAYOUT */

#scrolly {
  position: relative;
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
  display: block;
}

#graphic {
  position: sticky;
  top: 18vh;
  text-align: center;
  z-index: 2;
  padding-bottom: 40px;
}

#sections {
  position: relative;
  margin-top: 40px;
}

.headline {
  font-size: 2.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.dek {
  font-size: 1.05rem;
  color: #545151;
  margin-bottom: 28px;
  line-height: 1.5;
}

#speaker-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#silhouette {
  width: 180px;
  border-radius: 50%;
  background: #ffffff;
  padding: 10px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  margin-bottom: 10px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#speaker-role {
  font-weight: 600;
  margin-bottom: 2px;
  color: #4F4F4D;
}

#speaker-time {
  font-size: 0.9rem;
  color: #7a7a79;
}

#quote-box {
  margin-top: 22px;
  background: #ffffff;
  padding: 20px 22px;
  border-radius: 14px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  border-left: 4px solid #9B2915;
}

#quote-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #4F4F4D;
  margin: 0;
}

#context-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #7a7a79;
  margin: 0 0 10px;
}


#sections .step {
  background: #ffffff;
  border-radius: 12px;
  padding: 22px 22px 20px;
  margin-bottom: 28px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  border-left: 4px solid #E9B872;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease, transform 0.2s ease;
}

#sections .step h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7a7a79;
}

/* STEPS */
#sections .step {
  height: 90vh;      /* distance between “beats” in the story */
  margin: 0;
  opacity: 0;
  background: none;
  border: none;
  box-shadow: none;
  pointer-events: none;
}

/* PULSE LINE (BACKGROUND) */

#pulse-background {
  position: fixed;
  top: 0;           /* full background */
  left: 0;
  width: 100%;
  height: 100vh;
  opacity: 0.45;
  z-index: 0;
  pointer-events: none;
}

#pulse-caption {
  margin-top: 14px;
  font-size: 0.9rem;
  color: #7a7a79;
}

#pulse-caption strong {
  font-weight: 600;
}

/* Small horizontal legend under caption */
#pulse-legend {
  margin-top: 8px;
  font-size: 0.85rem;
  color: #7a7a79;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#pulse-legend .legend-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #545151;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 4px;
  border-radius: 999px;
}
.legend-neg {
  background: #C70039;  /* negative */
}

.legend-neu {
  background: #888888;  /* neutral */
}

.legend-pos {
  background: #4D88FF;  /* positive */
}

#pulse-caption.hidden {
  opacity: 0;
  transition: opacity 0.4s ease;
}

#pulse-svg {
  width: 100%;
  height: 100%;
}
.nav-btn {
  margin-top: 18px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid #1EA896;
  background: #ffffff;
  font-size: 0.9rem;
  font-weight: 500;
  color: #1EA896;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.nav-btn:hover {
  background: #1EA896;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
  transform: translateY(-1px);
}

.nav-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.pulse-callout {
  position: fixed; 
  transform: translate(-50%, -110%); /* center horizontal*/
  background: rgba(255, 255, 255, 0.95);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.8rem;
  color: #4F4F4D;
  box-shadow: 0 3px 8px rgba(0,0,0,0.12);
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 5;
}

.pulse-callout.hidden {
  opacity: 0;
}

.pulse-callout.visible {
  opacity: 1;
}


/* RESPONSIVENESS */

@media (max-width: 900px) {
  #scrolly {
    display: block;
    margin-top: 24px;
  }

  #graphic {
    position: relative;
    top: 0;
    margin-bottom: 32px;
    text-align: center;
  }

  #sections .step {
    margin-bottom: 22px;
  }

  .headline {
    font-size: 1.9rem;
  }
}

@media (max-width: 600px) {
  .headline {
    font-size: 1.7rem;
  }

  #silhouette {
    width: 150px;
  }

  #quote-box {
    padding: 16px 18px;
  }

  #sections .step {
    padding: 18px 18px 16px;
  }
}