/* ============================================================
   Посадочная /ozdorovleniya-spiny. Секция полностью изолирована:
   все классы начинаются с lp-spina-.
   ============================================================ */

.lp-spina {
  --lp-spina-line: rgba(233, 226, 210, .16);
  --lp-spina-muted: #b9aa8c;
  --lp-spina-surface: rgba(42, 48, 27, .48);
  background:
    radial-gradient(circle at 78% 8%, rgba(200, 168, 90, .12), transparent 28rem),
    var(--color-olive-950);
  color: var(--color-bone-100);
  overflow: clip;
}

.lp-spina-track {
  display: flex;
  flex-direction: column;
  gap: 14px;
  left: 28px;
  position: fixed;
  top: 50%;
  transform: translateY(-42%);
  z-index: 10;
}

.lp-spina-track a {
  color: rgba(233, 226, 210, .42);
  font-size: .57rem;
  letter-spacing: .12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--tr-fast), transform var(--tr-fast);
}

.lp-spina-track a::before {
  background: currentColor;
  border-radius: 50%;
  content: '';
  display: inline-block;
  height: 5px;
  margin-right: 8px;
  vertical-align: middle;
  width: 5px;
}

.lp-spina-track a:hover {
  color: var(--color-amber-400);
  transform: translateX(3px);
}

.lp-spina-hero {
  align-items: center;
  background-image:
    linear-gradient(90deg, rgba(21, 23, 13, .95) 0%, rgba(21, 23, 13, .76) 33%, rgba(21, 23, 13, .15) 74%),
    linear-gradient(0deg, var(--color-olive-950) 0%, transparent 26%),
    var(--lp-spina-hero-image);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  min-height: 100svh;
  padding: 170px max(10vw, 80px) 100px;
  position: relative;
}

.lp-spina-hero-inner {
  max-width: 650px;
  position: relative;
  z-index: 1;
}

.lp-spina-kicker, .lp-spina-section-label {
  color: var(--color-amber-400);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  margin: 0 0 22px;
  text-transform: uppercase;
}

.lp-spina-title, .lp-spina-subtitle {
  color: var(--color-bone-100);
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -.035em;
  line-height: .94;
  margin: 0;
}

.lp-spina-title {
  font-size: clamp(4rem, 7.3vw, 8.5rem);
  max-width: 620px;
}

.lp-spina-lead {
  color: var(--color-taupe-300);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.55;
  margin: 32px 0 0;
  max-width: 520px;
}

.lp-spina-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.lp-spina-actions .btn {
  font-family: var(--font-main);
  font-weight: 500;
}

.lp-spina-hero-metrics {
  bottom: 42px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  max-width: 720px;
  position: absolute;
  right: max(5vw, 40px);
  width: min(48vw, 720px);
}

.lp-spina-hero-metrics div {
  border-left: 1px solid var(--lp-spina-line);
  display: grid;
  gap: 4px;
  padding-left: 14px;
}

.lp-spina-hero-metrics strong {
  color: var(--color-bone-100);
  font-size: .73rem;
  font-weight: 500;
}

.lp-spina-hero-metrics span {
  color: var(--color-sage-500);
  font-size: .61rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.lp-spina-program, .lp-spina-medical, .lp-spina-conditions, .lp-spina-stages, .lp-spina-formats, .lp-spina-school, .lp-spina-cta {
  margin: 0 auto;
  max-width: 1320px;
  padding: clamp(94px, 10vw, 160px) max(7vw, 34px);
}

.lp-spina-program {
  display: grid;
  gap: 44px 9vw;
  grid-template-columns: minmax(280px, .9fr) minmax(300px, 1.1fr);
}

.lp-spina-section-head { max-width: 590px; }

.lp-spina-subtitle { font-size: clamp(2.8rem, 4.8vw, 5.7rem); }

.lp-spina-program-copy {
  align-self: end;
  color: var(--color-taupe-300);
  font-size: 1.06rem;
  line-height: 1.65;
}

.lp-spina-program-copy p { margin: 0 0 18px; }

.lp-spina-goals {
  border-top: 1px solid var(--lp-spina-line);
  grid-column: 1 / -1;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.lp-spina-goal {
  align-items: center;
  border-bottom: 1px solid var(--lp-spina-line);
  display: grid;
  gap: 28px;
  grid-template-columns: 50px 1fr;
  padding: 22px 0;
}

.lp-spina-goal span {
  color: var(--color-amber-400);
  font-size: .7rem;
  letter-spacing: .12em;
}

.lp-spina-goal p {
  color: var(--color-bone-100);
  font-size: clamp(1.05rem, 1.7vw, 1.45rem);
  margin: 0;
}

.lp-spina-medical {
  background: rgba(42, 48, 27, .28);
  max-width: none;
  padding-left: max(7vw, 34px);
  padding-right: max(7vw, 34px);
}

.lp-spina-medical > * { margin-left: auto; margin-right: auto; max-width: 1320px; }

.lp-spina-medical-lead {
  color: var(--color-taupe-300);
  font-size: clamp(1.05rem, 1.8vw, 1.42rem);
  line-height: 1.55;
  margin-bottom: 56px;
  margin-top: 34px;
  max-width: 820px !important;
}

.lp-spina-stats {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, 1fr);
}

.lp-spina-stat {
  background: rgba(21, 23, 13, .52);
  min-height: 250px;
  padding: 28px;
}

.lp-spina-stat strong {
  color: var(--color-amber-400);
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(3.6rem, 5vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: .8;
}

.lp-spina-stat small {
  font-family: var(--font-main);
  font-size: 1.1rem;
  margin-left: 4px;
}

.lp-spina-stat p {
  color: var(--color-taupe-300);
  font-size: .82rem;
  line-height: 1.45;
  margin: 32px 0 0;
}

.lp-spina-medical-procedure {
  border-top: 1px solid var(--lp-spina-line);
  display: grid;
  gap: clamp(38px, 8vw, 130px);
  grid-template-columns: minmax(260px, .9fr) minmax(300px, 1.1fr);
  margin-top: 72px !important;
  padding-top: 42px;
}

.lp-spina-medical-procedure h3 {
  color: var(--color-bone-100);
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.1vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -.025em;
  line-height: .98;
  margin: 0;
  max-width: 530px;
}

.lp-spina-medical-procedure p:not(.lp-spina-section-label) {
  color: var(--color-taupe-300);
  line-height: 1.6;
  margin: 22px 0 0;
  max-width: 520px;
}

.lp-spina-procedure-chart {
  align-self: end;
  display: grid;
  gap: 18px;
}

.lp-spina-procedure-chart div {
  align-items: center;
  display: grid;
  gap: 16px;
  grid-template-columns: 38px 1fr 52px;
}

.lp-spina-procedure-chart span, .lp-spina-procedure-chart b {
  color: var(--color-bone-100);
  font-size: .78rem;
  font-weight: 500;
}

.lp-spina-procedure-chart i {
  background: rgba(233, 226, 210, .1);
  display: block;
  height: 1px;
  position: relative;
}

.lp-spina-procedure-chart i::after {
  background: var(--color-amber-400);
  content: '';
  height: 3px;
  left: 0;
  position: absolute;
  top: -1px;
  width: var(--chart-value);
}

.lp-spina-disclaimer {
  color: var(--color-sage-500);
  font-size: .76rem;
  line-height: 1.5;
  margin-top: 26px;
  max-width: 600px !important;
}

.lp-spina-method {
  align-items: center;
  display: grid;
  gap: clamp(42px, 8vw, 130px);
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .7fr);
  margin: 0 auto;
  max-width: 1320px;
  padding: clamp(94px, 11vw, 170px) max(7vw, 34px);
}

.lp-spina-method-lead {
  color: var(--color-taupe-300);
  font-size: 1.06rem;
  line-height: 1.6;
  margin: 30px 0 0;
  max-width: 680px;
}

.lp-spina-systems {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(2, 1fr);
  list-style: none;
  margin: 48px 0 0;
  padding: 0;
}

.lp-spina-systems li {
  background: var(--lp-spina-surface);
  color: var(--color-bone-100);
  font-size: 1rem;
  padding: 17px 16px;
}

.lp-spina-systems span {
  color: var(--color-amber-400);
  font-size: .66rem;
  margin-right: 12px;
}

.lp-spina-author { margin: 0; position: relative; }

.lp-spina-author img { display: block; filter: saturate(.78); width: 100%; }

.lp-spina-author figcaption {
  background: rgba(21, 23, 13, .82);
  bottom: 0;
  display: grid;
  gap: 3px;
  left: 0;
  padding: 18px 20px;
  position: absolute;
  right: 0;
}

.lp-spina-author strong { color: var(--color-bone-100); font-size: .92rem; font-weight: 500; }
.lp-spina-author span { color: var(--color-sage-500); font-size: .72rem; }

.lp-spina-conditions { border-top: 1px solid var(--lp-spina-line); }

.lp-spina-conditions-intro {
  color: var(--color-taupe-300);
  line-height: 1.6;
  margin: 30px 0 0;
  max-width: 650px;
}

.lp-spina-conditions-list {
  border-top: 1px solid var(--lp-spina-line);
  columns: 3;
  list-style: none;
  margin: 54px 0 0;
  padding: 0;
}

.lp-spina-conditions-list li {
  border-bottom: 1px solid var(--lp-spina-line);
  color: var(--color-bone-100);
  break-inside: avoid;
  font-size: 1.03rem;
  padding: 19px 0 19px 18px;
  position: relative;
}

.lp-spina-conditions-list li::before {
  color: var(--color-amber-400);
  content: '•';
  font-size: .95rem;
  left: 0;
  line-height: 1;
  position: absolute;
  top: 21px;
}

.lp-spina-stages { border-top: 1px solid var(--lp-spina-line); }

.lp-spina-stages-list {
  border-top: 1px solid var(--lp-spina-line);
  list-style: none;
  margin: 54px 0 0;
  padding: 0;
}

.lp-spina-stage {
  align-items: start;
  border-bottom: 1px solid var(--lp-spina-line);
  display: grid;
  gap: 34px;
  grid-template-columns: 80px minmax(0, 1fr);
  padding: 30px 0;
}

.lp-spina-stage > span { color: var(--color-amber-400); font-size: .75rem; letter-spacing: .12em; }
.lp-spina-stage h3 { color: var(--color-bone-100); font-size: 1.35rem; font-weight: 500; margin: 0; }
.lp-spina-stage p { color: var(--color-taupe-300); margin: 8px 0 0; max-width: 700px; }

.lp-spina-formats {
  align-items: end;
  background: rgba(42, 48, 27, .26);
  display: grid;
  gap: clamp(36px, 8vw, 130px);
  grid-template-columns: minmax(280px, .8fr) minmax(300px, 1fr);
  max-width: none;
  padding-left: max(7vw, 34px);
  padding-right: max(7vw, 34px);
}

.lp-spina-formats > * { max-width: 1320px; }

.lp-spina-formats-list { border-top: 1px solid var(--lp-spina-line); }

.lp-spina-formats-list a {
  align-items: center;
  border-bottom: 1px solid var(--lp-spina-line);
  color: var(--color-bone-100);
  display: grid;
  font-size: clamp(1.05rem, 1.8vw, 1.48rem);
  gap: 16px;
  grid-template-columns: 44px 1fr auto;
  padding: 18px 0;
  text-decoration: none;
}

.lp-spina-formats-list a:hover { color: var(--color-amber-400); }
.lp-spina-formats-list span { color: var(--color-sage-500); font-size: .64rem; }
.lp-spina-formats-list b { color: var(--color-amber-400); font-size: 1.1rem; font-weight: 400; }

.lp-spina-school {
  border-top: 1px solid var(--lp-spina-line);
  display: grid;
  gap: 50px 9vw;
  grid-template-columns: minmax(280px, .85fr) minmax(300px, 1.15fr);
}

.lp-spina-school-points {
  border-top: 1px solid var(--lp-spina-line);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lp-spina-school-points li {
  border-bottom: 1px solid var(--lp-spina-line);
  color: var(--color-bone-100);
  font-size: clamp(1.05rem, 1.6vw, 1.36rem);
  padding: 22px 0 22px 20px;
  position: relative;
}

.lp-spina-school-points li::before {
  color: var(--color-amber-400);
  content: '•';
  left: 0;
  position: absolute;
}

.lp-spina-cta { text-align: center; }

.lp-spina-cta .lp-spina-section-label { margin-bottom: 16px; }
.lp-spina-cta .lp-spina-subtitle { margin: 0 auto; max-width: 680px; }

.lp-spina-cta-text { color: var(--color-taupe-300); margin: 26px auto 0; max-width: 530px; }

.lp-spina-form {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 42px auto 0;
  max-width: 760px;
}

.lp-spina-input {
  background: rgba(243, 238, 223, .06);
  border: 1px solid var(--lp-spina-line);
  border-radius: 0;
  color: var(--color-bone-100);
  min-height: 54px;
  padding: 0 17px;
  width: 100%;
}

.lp-spina-input::placeholder { color: var(--color-sage-500); }
.lp-spina-input:focus { border-color: var(--color-amber-400); outline: none; }

.lp-spina-textarea { grid-column: 1 / -1; min-height: 118px; padding: 16px 17px; resize: vertical; }
.lp-spina-form .btn { grid-column: 1 / -1; justify-content: center; margin-top: 8px; }

@media (max-width: 980px) {
  .lp-spina-track { display: none; }
  .lp-spina-hero { align-items: end; background-position: 61% center; padding: 160px 40px 84px; }
  .lp-spina-hero-metrics { left: 40px; right: 40px; width: auto; }
  .lp-spina-medical-procedure, .lp-spina-method, .lp-spina-program, .lp-spina-formats, .lp-spina-school { grid-template-columns: 1fr; }
  .lp-spina-stats { grid-template-columns: repeat(2, 1fr); }
  .lp-spina-conditions-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .lp-spina-hero { background-position: 62% center; min-height: 850px; padding: 140px 20px 176px; }
  .lp-spina-hero-metrics { bottom: 36px; gap: 13px; grid-template-columns: repeat(2, 1fr); left: 20px; right: 20px; }
  .lp-spina-hero-metrics div { padding-left: 10px; }
  .lp-spina-title { font-size: clamp(3.5rem, 15vw, 5.1rem); }
  .lp-spina-program, .lp-spina-medical, .lp-spina-conditions, .lp-spina-stages, .lp-spina-formats, .lp-spina-cta { padding-left: 20px; padding-right: 20px; }
  .lp-spina-stats, .lp-spina-form { grid-template-columns: 1fr; }
  .lp-spina-conditions-list { columns: 1; }
  .lp-spina-stat { min-height: auto; }
  .lp-spina-systems { grid-template-columns: 1fr; }
}