/* Interactive symptom section, adapted from the supplied HTML reference. */
.pain-section {
  padding: 100px 0;
  scroll-margin-top: 84px;
  background: linear-gradient(145deg, #152c43, #10263d 75%, #132e49);
}
.pain-section > .container { width: min(calc(100% - 72px), 1200px); }
.pain-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: end; margin-bottom: 48px; }
.pain-heading-copy > span { display: block; margin-bottom: 18px; color: #40b4df; font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
.pain-heading h2 { margin: 0; color: #f3f7ff; font-size: clamp(40px, 4.2vw, 60px); font-weight: 700; letter-spacing: -.04em; line-height: 1.05; }
.pain-intro { margin: 0; padding-left: 26px; border-left: 2px solid #3aa9db; color: #bdc9d8; font-size: 17px; line-height: 1.7; }
.pain-content { display: grid; grid-template-columns: 1.35fr .85fr; gap: 20px; margin-bottom: 44px; align-items: stretch; }
.pain-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.pain-option {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 22px;
  min-width: 0;
  min-height: 160px;
  padding: 24px 20px;
  border: 1px solid #436b8d73;
  border-radius: 14px;
  background: #1a354d;
  color: #e9f0f8;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.pain-option:hover { transform: translateY(-2px); border-color: #51b9e2; background: #20415d; }
.pain-option.is-selected { border-color: #35baf1; background: #087eaf; color: #fff; box-shadow: 0 8px 28px #008dd120; }
.pain-option:focus-visible { outline: 2px solid #91e5ff; outline-offset: 4px; }
.pain-option-icon, .pain-panel-icon { display: grid; place-items: center; flex-shrink: 0; color: #60c7ef; background: #36a6dd19; border-radius: 10px; }
.pain-option-icon { width: 42px; height: 42px; }
.pain-option.is-selected .pain-option-icon { background: #ffffff20; color: #fff; }
.pain-option strong { font-size: 15px; font-weight: 500; line-height: 1.35; overflow-wrap: anywhere; }
.pain-option svg, .pain-panel svg { display: block; width: 23px; height: 23px; }
.pain-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 360px;
  padding: 32px;
  border: 1px solid #4779a257;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, #0a1d31, #11324e);
}
.pain-panel::before { content: ""; position: absolute; z-index: -1; right: -70px; bottom: -95px; width: 210px; height: 210px; border: 1px solid #4d8ef033; border-radius: 50%; box-shadow: 0 0 0 40px #4d8ef00a, 0 0 0 80px #4d8ef005; pointer-events: none; }
.pain-panel-icon { width: 52px; height: 52px; margin-bottom: 20px; border: 1px solid #4d8ef040; border-radius: 13px; }
.pain-category { display: block; margin-bottom: 10px; font-size: 10px; letter-spacing: .22em; color: #60c7ef; font-weight: 700; text-transform: uppercase; }
.pain-panel h3 { margin: 0 0 14px; font-size: clamp(25px, 2.2vw, 32px); font-weight: 500; letter-spacing: -.025em; line-height: 1.12; }
.pain-panel p { margin: 0; font-size: 15px; color: #c8d8ea; line-height: 1.7; }
.pain-rule { width: 40px; height: 2px; background: #31aade; margin: 26px 0 14px; }
.pain-panel-note { font-size: 13px; font-weight: 500; line-height: 1.5; }
.pain-closing { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; padding-top: 36px; border-top: 1px solid #47769a59; }
.pain-closing h3 { margin: 0; font-size: clamp(25px, 2.4vw, 34px); letter-spacing: -.025em; font-weight: 500; line-height: 1.2; }
.pain-closing h3 span { color: #41b9ed; }
.pain-closing p { margin: 0; font-size: 15px; color: #bdc9d8; line-height: 1.75; }
@media (max-width: 1100px) and (min-width: 981px) {
  .pain-section > .container { width: calc(100% - 48px); }
  .pain-heading, .pain-closing { gap: 40px; }
  .pain-option { padding: 22px 14px; }
  .pain-panel { padding: 28px; }
}
@media (max-width: 980px) {
  .pain-heading, .pain-content, .pain-closing { grid-template-columns: 1fr; gap: 30px; }
  .pain-heading h2 { font-size: clamp(40px, 6vw, 58px); }
  .pain-intro { max-width: 660px; }
  .pain-content { gap: 20px; }
  .pain-panel { min-height: 335px; }
  .pain-panel p { max-width: 640px; }
  .pain-closing { gap: 20px; }
}
@media (max-width: 720px) {
  .pain-section { padding: 72px 0; }
  .pain-section > .container { width: calc(100% - 40px); }
  .pain-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pain-option { min-height: 136px; padding: 20px; gap: 18px; }
  .pain-panel { padding: 28px; }
  .pain-intro { font-size: 16px; padding-left: 20px; }
}
@media (max-width: 480px) {
  .pain-options { grid-template-columns: 1fr; gap: 10px; }
  .pain-option { flex-direction: row; align-items: center; justify-content: flex-start; min-height: 80px; padding: 18px; }
  .pain-option strong { font-size: 16px; }
  .pain-heading h2 { font-size: clamp(34px, 9.5vw, 44px); }
  .pain-heading { margin-bottom: 32px; }
  .pain-panel { padding: 26px 24px; min-height: 370px; }
  .pain-closing h3 { font-size: 27px; }
}

/* Light treatment from the supplied reference section. */
.pain-section { background: #f5f7fa; color: #17243a; }
.pain-heading h2 { color: #17243a; }
.pain-heading-copy > span { color: #2f91e5; }
.pain-intro { border-color: #2f91e5; color: #5a7090; }
.pain-option { border-color: #dde4ec; background: #fff; color: #17243a; }
.pain-option:hover { border-color: #8cbce5; background: #fff; box-shadow: 0 4px 20px #2f91e51a; }
.pain-option.is-selected { border-color: #17243a; background: #17243a; color: #fff; }
.pain-panel { background: linear-gradient(145deg, #17243a, #1e3557 60%, #1a3060); }
.pain-closing { border-color: #dde4ec; }
.pain-closing h3 { color: #17243a; }
.pain-closing p { color: #5a7090; }