/* =========================================
   SONAR — CLIENT PAINS
   Совместим с дизайн-системой sonar-tariffs:
   фон .section-starvy-bg, glass-карточки, rus-font,
   общие headline-переменные.
========================================= */

/* Фон-glow для секции */
.sonar-pains.section-starvy-bg .section-starvy-bg-glow {
  width: min(820px, 90vw);
  height: min(440px, 40vh);
  top: 50%;
  filter: blur(38px);
  opacity: 0.65;
}

/* =========================================
   BACKGROUND DOTS — рассыпанные сигналы по фону
========================================= */

.sonar-pains-bg-dots {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.sonar-pains-bgdot-pulse {
  animation: sonarPainsBgdot 3s ease-in-out infinite;
}

@keyframes sonarPainsBgdot {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 1; }
}

/* =========================================
   RADAR STAGE — за всей сеткой карточек
========================================= */

.sonar-pains-radar {
  position: absolute;
  left: 50%;
  top: 58%;
  transform: translate(-50%, -50%);

  width: min(900px, 92vw);
  height: min(900px, 92vw);

  z-index: 0;
  pointer-events: none;
}

/* Концентрические dashed-кольца (статичные) */
.sonar-pains-radar-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  border-radius: 50%;
  border: 1px dashed rgba(168, 85, 247, 0.14);

  pointer-events: none;
}

.sonar-pains-radar-ring--1 { width: 280px; height: 280px; }
.sonar-pains-radar-ring--2 { width: 480px; height: 480px; border-color: rgba(168, 85, 247, 0.10); }
.sonar-pains-radar-ring--3 { width: 700px; height: 700px; border-color: rgba(168, 85, 247, 0.07); }

/* Расходящиеся волны */
.sonar-pains-radar-wave {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  border-radius: 50%;
  border: 1.5px solid rgba(216, 180, 254, 0.4);

  opacity: 0;
  pointer-events: none;

  animation: sonarPainsRadarWave 5s cubic-bezier(0.2, 0.8, 0.3, 1) infinite;
}

.sonar-pains-radar-wave--1 { animation-delay: 0s;    }
.sonar-pains-radar-wave--2 { animation-delay: 1.65s; }
.sonar-pains-radar-wave--3 { animation-delay: 3.3s;  }

@keyframes sonarPainsRadarWave {
  0% {
    width: 100px;
    height: 100px;
    opacity: 0;
    border-width: 2px;
    border-color: rgba(216, 180, 254, 0.5);
  }
  15% {
    opacity: 0.55;
  }
  100% {
    width: 820px;
    height: 820px;
    opacity: 0;
    border-width: 0.5px;
    border-color: rgba(216, 180, 254, 0.15);
  }
}

/* Контейнер с карточками должен быть НАД радаром и точками */
.sonar-pains .container {
  position: relative;
  z-index: 1;
}

/* =========================================
   HEADER
========================================= */

.sonar-pains-head {
  max-width: 720px;
  margin: 0 auto;
}

.sonar-pains-title {
  margin: 0;

  font-size: var(--sonar-headline-section-fs);
  line-height: var(--sonar-headline-section-lh);
  letter-spacing: var(--sonar-headline-section-tracking);
  font-weight: var(--sonar-headline-section-fw);

  color: var(--sonar-headline-section-color);
}

.sonar-pains-sub {
  margin: 16px auto 0;
  max-width: 520px;

  font-size: var(--sonar-section-subtitle-fs);
  line-height: var(--sonar-section-subtitle-lh);

  color: rgba(226, 232, 240, 0.72);
}

.sonar-pains-spacer {
  height: 48px;
}

/* =========================================
   GRID
========================================= */

.sonar-pains-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 1.8vw, 24px);

  position: relative;
  z-index: 1;
}

/* =========================================
   CARD
========================================= */

.sonar-pains-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;

  display: flex;
  flex-direction: column;

  padding: clamp(24px, 2.6vw, 36px);

  border-radius: 20px;

  border: 1px solid rgba(255, 255, 255, 0.08);

  /* Glass — фиолетовый стек */
  background:
    radial-gradient(130% 90% at 100% 0%, rgba(168, 85, 247, 0.12), transparent 52%),
    radial-gradient(90% 70% at 0% 100%, rgba(124, 58, 237, 0.10), transparent 58%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055) 0%, rgba(255, 255, 255, 0.012) 100%),
    rgba(14, 11, 32, 0.55);

  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);

  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 8px 26px -12px rgba(0, 0, 0, 0.55);

  opacity: 0;
  transform: translateY(22px);
  animation: sonarPainsCardIn 0.7s cubic-bezier(0.22, 0.85, 0.3, 1) forwards;
  animation-delay: var(--pain-delay, 0ms);

  transition:
    transform 0.4s cubic-bezier(0.22, 0.85, 0.3, 1),
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}

@keyframes sonarPainsCardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hairline gradient border */
.sonar-pains-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.28) 0%,
    rgba(255, 255, 255, 0.04) 38%,
    rgba(168, 85, 247, 0.24) 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: 0.7;
  z-index: 0;
  transition: background 0.45s ease, opacity 0.45s ease;
}

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

/* Soft moving glow on hover */
.sonar-pains-card-glow {
  position: absolute;
  top: -40%;
  right: -30%;
  width: 280px;
  height: 280px;

  background: radial-gradient(
    circle,
    rgba(168, 85, 247, 0.30) 0%,
    rgba(124, 58, 237, 0.12) 45%,
    transparent 70%
  );

  filter: blur(28px);

  opacity: 0;
  z-index: 0;
  pointer-events: none;

  transition: opacity 0.45s ease, transform 0.6s ease;
}

.sonar-pains-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 22px 50px -22px rgba(124, 58, 237, 0.5);
}

.sonar-pains-card:hover::before {
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.34) 0%,
    rgba(216, 180, 254, 0.14) 40%,
    rgba(168, 85, 247, 0.4) 100%
  );
  opacity: 1;
}

.sonar-pains-card:hover .sonar-pains-card-glow {
  opacity: 1;
  transform: translate(-12px, 14px);
}

/* =========================================
   CARD — NUMBER (ghost watermark с пульсацией)
========================================= */

.sonar-pains-card-num {
  position: absolute;
  top: clamp(10px, 1.4vw, 18px);
  right: clamp(16px, 2vw, 26px);

  z-index: 0 !important;

  font-family: "Montserrat", "Manrope", Arial, sans-serif;
  font-size: clamp(54px, 6vw, 86px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;

  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px rgba(216, 180, 254, 0.22);

  user-select: none;
  pointer-events: none;

  animation: sonarPainsNumPulse 3.6s ease-in-out infinite;
  animation-delay: var(--pain-delay, 0ms);

  transition:
    -webkit-text-stroke-color 0.45s ease,
    color 0.45s ease;
}

@keyframes sonarPainsNumPulse {
  0%, 100% {
    -webkit-text-stroke-color: rgba(216, 180, 254, 0.16);
  }
  50% {
    -webkit-text-stroke-color: rgba(216, 180, 254, 0.42);
  }
}

.sonar-pains-card:hover .sonar-pains-card-num {
  -webkit-text-stroke-color: rgba(216, 180, 254, 0.5);
  color: rgba(168, 85, 247, 0.06);
  animation-play-state: paused;
}

/* =========================================
   CARD — ICON (фиолетовый)
========================================= */

.sonar-pains-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 52px;
  height: 52px;

  margin-bottom: 22px;

  border-radius: 14px;

  border: 1px solid rgba(168, 85, 247, 0.36);

  background:
    linear-gradient(
      145deg,
      rgba(168, 85, 247, 0.24),
      rgba(124, 58, 237, 0.12)
    );

  color: #d8b4fe;

  box-shadow:
    0 8px 20px rgba(76, 29, 149, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);

  transition:
    color 0.45s ease,
    border-color 0.45s ease,
    background 0.45s ease,
    box-shadow 0.45s ease,
    transform 0.45s cubic-bezier(0.22, 0.85, 0.3, 1);
}

.sonar-pains-card-icon svg {
  width: 26px;
  height: 26px;
}

.sonar-pains-card-icon-slash {
  opacity: 0.85;
}

.sonar-pains-card:hover .sonar-pains-card-icon {
  transform: translateY(-2px) rotate(-4deg);
  color: #e9d5ff;
  border-color: rgba(216, 180, 254, 0.5);
  background:
    linear-gradient(
      145deg,
      rgba(168, 85, 247, 0.36),
      rgba(124, 58, 237, 0.18)
    );
  box-shadow:
    0 12px 26px rgba(76, 29, 149, 0.5),
    0 0 18px rgba(192, 132, 252, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* =========================================
   CARD — TEXT
========================================= */

.sonar-pains-card-title {
  margin: 0 0 12px;
  max-width: 22em;

  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 700;

  color: #fff;
}

.sonar-pains-card-text {
  margin: 0;

  font-size: clamp(14px, 1.05vw, 15.5px);
  line-height: 1.7;

  color: rgba(226, 232, 240, 0.74);
}

/* Accent underline that grows on hover (фиолетовый) */
.sonar-pains-card-title {
  position: relative;
}

.sonar-pains-card-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;

  width: 34px;
  height: 2px;
  border-radius: 2px;

  background: linear-gradient(90deg, #c084fc, rgba(192, 132, 252, 0));

  transition:
    width 0.5s cubic-bezier(0.22, 0.85, 0.3, 1),
    background 0.5s ease;
}

.sonar-pains-card:hover .sonar-pains-card-title::after {
  width: 72px;
  background: linear-gradient(90deg, #d8b4fe, rgba(216, 180, 254, 0));
}

/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 991px) {
  .sonar-pains-radar {
    width: min(700px, 95vw);
    height: min(700px, 95vw);
  }

  .sonar-pains-radar-ring--3 { display: none; }

  @keyframes sonarPainsRadarWave {
    0%   { width: 80px;  height: 80px;  opacity: 0;   border-width: 2px;
           border-color: rgba(216, 180, 254, 0.5); }
    15%  { opacity: 0.55; }
    100% { width: 640px; height: 640px; opacity: 0;   border-width: 0.5px;
           border-color: rgba(216, 180, 254, 0.15); }
  }
}

@media (max-width: 767px) {
  .sonar-pains-grid {
    grid-template-columns: 1fr;
  }

  .sonar-pains-spacer {
    height: 36px;
  }

  .sonar-pains-card-num {
    font-size: 60px;
  }

  .sonar-pains-radar {
    width: min(560px, 95vw);
    height: min(560px, 95vw);
  }

  .sonar-pains-radar-ring--2 { display: none; }

  @keyframes sonarPainsRadarWave {
    0%   { width: 70px;  height: 70px;  opacity: 0;   border-width: 1.5px;
           border-color: rgba(216, 180, 254, 0.5); }
    15%  { opacity: 0.5; }
    100% { width: 520px; height: 520px; opacity: 0;   border-width: 0.5px;
           border-color: rgba(216, 180, 254, 0.12); }
  }
}

@media (max-width: 575px) {
  .sonar-pains-card {
    border-radius: 16px;
    padding: 24px 22px;
  }

  .sonar-pains-card-icon {
    width: 46px;
    height: 46px;
    margin-bottom: 18px;
  }

  .sonar-pains-card-icon svg {
    width: 23px;
    height: 23px;
  }
}

/* =========================================
   REDUCED MOTION
========================================= */

@media (prefers-reduced-motion: reduce) {
  .sonar-pains-card {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .sonar-pains-card-num,
  .sonar-pains-radar-wave,
  .sonar-pains-bgdot-pulse {
    animation: none;
  }

  .sonar-pains-radar-wave {
    display: none;
  }

  .sonar-pains-card:hover {
    transform: none;
  }

  .sonar-pains-card:hover .sonar-pains-card-icon {
    transform: none;
  }
}