/* ==============================
   HOW IT WORKS / 10 DAYS
   (плейсхолдер секции под контент)
   ============================== */

.sonar-how10 {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.sonar-how10::after {
  content: "";
  position: absolute;
  inset: -40px -20px;
  z-index: -2;
  background:
    radial-gradient(700px 420px at 20% 18%, rgba(168, 85, 247, 0.14) 0%, rgba(124, 58, 237, 0.06) 38%, transparent 70%),
    radial-gradient(760px 460px at 78% 78%, rgba(124, 58, 237, 0.07) 0%, rgba(89, 44, 184, 0.035) 38%, transparent 68%);
  pointer-events: none;
}

.sonar-how10-orb {
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.22;
  pointer-events: none;
}

.sonar-how10-orb--a {
  left: -180px;
  top: 40px;
  background: conic-gradient(from 240deg, rgba(85, 51, 207, 1), rgba(146, 64, 222, 1), rgba(160, 123, 245, 1));
}

.sonar-how10-orb--b {
  right: -220px;
  bottom: -80px;
  background: conic-gradient(from 120deg, rgba(144, 43, 241, 1), rgba(64, 64, 222, 1), rgba(168, 85, 247, 1));
}

.sonar-how10-head {
  max-width: 860px;
  margin: 0 auto 28px;
  text-align: center;
}

.sonar-how10-title {
  margin: 14px 0 10px;
  color: #ffffff;
  font-weight: 700;
  line-height: 1.08;
  font-size: clamp(28px, 3.2vw, 44px);
}

.sonar-how10-title-accent {
  background: linear-gradient(90deg, rgba(168, 85, 247, 1), rgba(124, 58, 237, 1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sonar-how10-sub {
  margin: 0 auto;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 16px;
  line-height: 1.6;
}

.sonar-how10-body {
  max-width: 980px;
  margin: 0 auto;
}

.sonar-how10-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03)),
    rgba(12, 8, 22, 0.52);
  box-shadow:
    0 18px 60px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
}

.sonar-how10-placeholder {
  padding: 36px 28px;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  margin: 18px;
  background: rgba(0, 0, 0, 0.10);
}

@media (max-width: 767px) {
  .sonar-how10-head {
    margin-bottom: 18px;
  }

  .sonar-how10-placeholder {
    padding: 26px 16px;
    min-height: 180px;
    margin: 14px;
  }
}

/* ===========================================
   SONAR TIMELINE — «10 дней» (единый фон + glass как billing)
   =========================================== */

.sonar-timeline.section-starvy-bg .section-starvy-bg-glow {
  width: min(720px, 86vw);
  height: min(420px, 38vh);
  top: 36%;
  filter: blur(34px);
  opacity: 0.72;
}

/* --- Head --- */
.sonar-timeline-head {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(40px, 5vw, 64px);
  z-index: 2;
}

.sonar-timeline-title {
  margin: 0;
  font-size: var(--sonar-headline-section-fs);
  line-height: var(--sonar-headline-section-lh);
  font-weight: var(--sonar-headline-section-fw);
  letter-spacing: var(--sonar-headline-section-tracking);
  color: var(--sonar-headline-section-color);
}

.sonar-timeline-sub {
  margin: 14px auto 0;
  max-width: 540px;
  font-size: var(--sonar-section-subtitle-fs);
  line-height: var(--sonar-section-subtitle-lh);
  color: rgba(226, 232, 240, 0.72);
}

/* --- Rail + grid wrapper --- */
.sonar-timeline-rail-wrap {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  z-index: 2;
}

.sonar-timeline-rail {
  position: absolute;
  left: 12.5%;
  right: 12.5%;
  top: 20px;
  height: 2px;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  border-radius: 2px;
}

.sonar-timeline-rail-line {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(168, 85, 247, 0.5) 0%,
    rgba(168, 85, 247, 0.2) 50%,
    rgba(168, 85, 247, 0.5) 100%);
  border-radius: 2px;
}

.sonar-timeline-rail-pulse {
  position: absolute;
  top: -4px;
  left: 0;
  width: 72px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(88, 28, 135, 0) 0%,
    rgba(124, 58, 237, 0.2) 12%,
    rgba(168, 85, 247, 0.55) 28%,
    rgba(216, 180, 254, 0.92) 44%,
    rgba(250, 248, 255, 0.98) 50%,
    rgba(216, 180, 254, 0.92) 56%,
    rgba(168, 85, 247, 0.55) 72%,
    rgba(124, 58, 237, 0.2) 88%,
    rgba(88, 28, 135, 0) 100%
  );
  filter:
    drop-shadow(0 0 4px rgba(255, 250, 255, 0.45))
    drop-shadow(0 0 12px rgba(216, 180, 254, 0.55))
    drop-shadow(0 0 22px rgba(168, 85, 247, 0.35));
  animation: sonar-timeline-rail-flow 5s ease-in-out infinite;
}

@keyframes sonar-timeline-rail-flow {
  0%   { left: 0; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: calc(100% - 72px); opacity: 0; }
}

/* --- Grid of steps --- */
.sonar-timeline-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: stretch;
  gap: 20px;
  z-index: 2;
}

.sonar-timeline-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  min-height: 0;
}

/* --- Checkpoint --- */
.sonar-timeline-cp {
  position: relative;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  margin-bottom: 24px;
  border-radius: 50%;
  aspect-ratio: 1;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 30% 0%, rgba(216, 180, 254, 0.14), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%),
    rgba(14, 11, 32, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  font-size: 13px;
  font-weight: 700;
  color: rgba(216, 180, 254, 0.95);
  letter-spacing: -0.02em;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 4px 14px -4px rgba(0, 0, 0, 0.45);
  z-index: 2;
}

.sonar-timeline .sonar-timeline-cp {
  -webkit-backdrop-filter: blur(12px) saturate(140%) !important;
  backdrop-filter: blur(12px) saturate(140%) !important;
}

.sonar-timeline-cp::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.28) 0%, transparent 70%);
  filter: blur(8px);
  z-index: -1;
}

.sonar-timeline-cp--final {
  background:
    radial-gradient(circle at 35% 25%, rgba(216, 180, 254, 0.35) 0%, transparent 55%),
    linear-gradient(135deg, rgba(168, 85, 247, 0.45), rgba(124, 58, 237, 0.22)),
    rgba(14, 11, 32, 0.35);
  border-color: rgba(216, 180, 254, 0.45);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 6px 24px -4px rgba(168, 85, 247, 0.45);
}

.sonar-timeline-cp--final svg {
  width: 18px;
  height: 18px;
}

.sonar-timeline-cp--final::before {
  background: radial-gradient(circle, rgba(168, 85, 247, 0.5) 0%, transparent 70%);
}

/* --- Step card (glass) --- */
.sonar-timeline-card {
  position: relative;
  flex: 1 1 auto;
  align-self: stretch;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  border-radius: 18px;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(216, 180, 254, 0.1), transparent 50%),
    radial-gradient(80% 60% at 100% 100%, rgba(124, 58, 237, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.012) 100%),
    rgba(14, 11, 32, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    0 8px 24px -10px rgba(0, 0, 0, 0.45),
    0 14px 32px -12px rgba(168, 85, 247, 0);
  transition: border-color 0.45s ease-in-out, box-shadow 0.45s ease-in-out, transform 0.45s ease-in-out;
}

.sonar-timeline .sonar-timeline-card {
  -webkit-backdrop-filter: blur(20px) saturate(140%) !important;
  backdrop-filter: blur(20px) saturate(140%) !important;
}

.sonar-timeline-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.28) 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(168, 85, 247, 0.14) 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.65;
  z-index: 0;
  transition: opacity 0.45s ease-in-out;
}

.sonar-timeline-card::after {
  content: '';
  position: absolute;
  top: -14px;
  right: -10px;
  width: 100px;
  height: 72px;
  background: radial-gradient(ellipse at 40% 40%, rgba(255, 255, 255, 0.06), transparent 58%);
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  transition: opacity 0.45s ease-in-out;
}

.sonar-timeline-card > * {
  position: relative;
  z-index: 1;
}

.sonar-timeline-card:hover {
  border-color: rgba(168, 85, 247, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    0 10px 28px -10px rgba(0, 0, 0, 0.42),
    0 14px 32px -12px rgba(168, 85, 247, 0.16);
}

.sonar-timeline-card:hover::before {
  opacity: 0.82;
}

.sonar-timeline-card:hover::after {
  opacity: 0.75;
}

.sonar-timeline-card--final {
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(216, 180, 254, 0.14), transparent 52%),
    radial-gradient(80% 55% at 100% 100%, rgba(124, 58, 237, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(168, 85, 247, 0.12) 0%, rgba(124, 58, 237, 0.04) 100%),
    rgba(14, 11, 32, 0.42);
  border-color: rgba(168, 85, 247, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 12px 32px -10px rgba(168, 85, 247, 0.28);
}

.sonar-timeline-card--final::before {
  background: linear-gradient(
    160deg,
    rgba(216, 180, 254, 0.35) 0%,
    rgba(168, 85, 247, 0.08) 45%,
    rgba(124, 58, 237, 0.18) 100%
  );
  opacity: 0.75;
}

.sonar-timeline-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.sonar-timeline-card-top h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.sonar-timeline-card p {
  margin: 0;
  flex: 1 1 auto;
  min-height: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(226, 232, 240, 0.68);
}

/* --- Duration badge --- */
.sonar-timeline-dur {
  flex-shrink: 0;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(216, 180, 254, 0.95);
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.25);
  white-space: nowrap;
}

.sonar-timeline-dur--final {
  color: #f3e8ff;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.35), rgba(124, 58, 237, 0.15));
  border-color: rgba(216, 180, 254, 0.45);
}

/* --- Footer note --- */
.sonar-timeline-note {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 620px;
  margin: clamp(36px, 5vw, 56px) auto 0;
  padding: 14px 20px;
  border-radius: 18px;
  position: relative;
  z-index: 2;
  text-align: left;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(216, 180, 254, 0.1), transparent 50%),
    radial-gradient(80% 60% at 100% 100%, rgba(124, 58, 237, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%),
    rgba(14, 11, 32, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 8px 28px -12px rgba(0, 0, 0, 0.4);
  font-size: 13px;
  line-height: 1.55;
  color: rgba(226, 232, 240, 0.72);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.sonar-timeline .sonar-timeline-note {
  -webkit-backdrop-filter: blur(20px) saturate(140%) !important;
  backdrop-filter: blur(20px) saturate(140%) !important;
}

.sonar-timeline-note::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0.03) 42%,
    rgba(168, 85, 247, 0.12) 100%
  );
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}

.sonar-timeline-note > * {
  position: relative;
  z-index: 1;
}

.sonar-timeline-note b {
  color: #f3e8ff;
  font-weight: 600;
}

.sonar-timeline-note-ic {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.28);
  color: #d8b4fe;
}

.sonar-timeline-note-ic svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 991px) {
  .sonar-timeline-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 20px;
  }
  .sonar-timeline-rail {
    display: none;
  }
}

@media (max-width: 575px) {
  .sonar-timeline-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .sonar-timeline-step {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
  }
  /* В ряду с карточкой круг не должен сжиматься (иначе овал при flex-shrink) */
  .sonar-timeline-cp {
    margin-bottom: 0;
    align-self: flex-start;
    flex-grow: 0;
    flex-shrink: 0;
  }
  /* width:100% от десктопа + ряд давали конфликт ширин; оставляем рост только по flex */
  .sonar-timeline-step .sonar-timeline-card {
    width: auto;
    min-width: 0;
    flex: 1 1 auto;
    align-self: stretch;
  }
  .sonar-timeline-card,
  .sonar-timeline-note {
    border-radius: 16px;
  }
  .sonar-timeline-note {
    flex-wrap: wrap;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sonar-timeline-rail-pulse {
    animation: none;
  }
}