/* =========================================================
   SONAR — CTA BRIDGE (между биллингом и карточкой звонка)
   "Перевал": снимает давление кнопки, тизерит следующий блок.
   ========================================================= */

   .sonar-bridge {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background-color: #08051a;
    padding: clamp(72px, 8.5vw, 120px) 0;
  }
  
  .sonar-bridge .container {
    position: relative;
    z-index: 2;
  }
  
  /* ---------- Декор: орб + пунктирные кольца ---------- */
  
  .sonar-bridge-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    filter: blur(60px);
    will-change: transform;
  }
  
  .sonar-bridge-orb--a {
    top: -60px;
    left: 8%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.14) 0%, transparent 58%);
    animation: sonar-bridge-orb-a 22s ease-in-out infinite;
  }
  
  .sonar-bridge-orb--b {
    bottom: -80px;
    right: 6%;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.10) 0%, transparent 58%);
    animation: sonar-bridge-orb-b 26s ease-in-out infinite;
  }
  
  @keyframes sonar-bridge-orb-a {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(28px, 20px); }
  }
  
  @keyframes sonar-bridge-orb-b {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(-32px, 16px); }
  }
  
  .sonar-bridge-rings {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(720px, 80vw);
    height: min(720px, 80vw);
    max-height: 520px;
    z-index: 0;
    pointer-events: none;
  }
  
  .sonar-bridge-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    border: 1px dashed rgba(168, 85, 247, 0.14);
    transform: translate(-50%, -50%);
    pointer-events: none;
  }
  
  .sonar-bridge-ring--1 {
    width: min(220px, 30vw);
    height: min(220px, 30vw);
  }
  
  .sonar-bridge-ring--2 {
    width: min(380px, 48vw);
    height: min(380px, 48vw);
    border-color: rgba(168, 85, 247, 0.10);
  }
  
  .sonar-bridge-ring--3 {
    width: min(560px, 70vw);
    height: min(560px, 70vw);
    border-color: rgba(168, 85, 247, 0.06);
  }
  
  @media (prefers-reduced-motion: no-preference) {
    .sonar-bridge-ring {
      animation: sonar-bridge-ring-pulse 6s ease-in-out infinite;
    }
    .sonar-bridge-ring--2 { animation-delay: 0.5s; }
    .sonar-bridge-ring--3 { animation-delay: 1s; }
  }
  
  @keyframes sonar-bridge-ring-pulse {
    0%, 100% { opacity: 1;    transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 0.72; transform: translate(-50%, -50%) scale(1.014); }
  }
  
  /* ---------- Layout ---------- */
  
  .sonar-bridge-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
  }
  
  @media (max-width: 991px) {
    .sonar-bridge-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }
  
  /* ---------- LEFT: текст ---------- */
  
  .sonar-bridge-copy {
    max-width: 540px;
  }
  
  .sonar-bridge-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-bridge-lede {
    margin: 18px 0 0;
    max-width: 480px;
    font-size: clamp(14px, 1.05vw, 16px);
    line-height: 1.65;
    color: rgba(226, 232, 240, 0.7);
  }
  
  .sonar-bridge-lede b {
    color: #f3e8ff;
    font-weight: 600;
  }
  
  /* ---------- RIGHT: стеклянная карточка действий ---------- */
  
  .sonar-bridge-card {
    position: relative;
    padding: 28px 28px 24px;
    border-radius: var(--sonar-card-radius);
    overflow: hidden;
    isolation: isolate;
  
    /* Light-glass — единый материал */
    background: var(--sonar-card-bg);
    border: var(--sonar-card-border);
  
    backdrop-filter: var(--sonar-card-blur);
    -webkit-backdrop-filter: var(--sonar-card-blur);
  
    box-shadow: var(--sonar-card-shadow);
  }
  
  /* gradient border */
  .sonar-bridge-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: var(--sonar-card-rim-gradient);
    -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: var(--sonar-card-rim-opacity);
  }
  
  /* specular highlight */
  .sonar-bridge-card::after {
    content: "";
    position: absolute;
    top: -20px;
    left: -20px;
    width: 200px;
    height: 130px;
    background: radial-gradient(ellipse at 30% 40%, rgba(255, 255, 255, 0.08), transparent 58%);
    pointer-events: none;
    filter: blur(14px);
    z-index: 0;
  }
  
  .sonar-bridge-card > * {
    position: relative;
    z-index: 1;
  }
  
  .sonar-bridge-card-headline {
    margin: 0 0 18px;
    font-size: 18px;
    line-height: 1.35;
    font-weight: 600;
    color: #f8fafc;
    letter-spacing: -0.01em;
  }
  
  .sonar-bridge-card-headline b {
    color: #fff;
    font-weight: 700;
  }
  
  /* ---------- Основная кнопка (primary) ---------- */
  
  .sonar-bridge-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    height: 52px;
    padding: 0 22px;
    border-radius: 14px;
    border: 1px solid rgba(192, 132, 252, 0.45);
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.18),
      0 0 0 1px rgba(124, 58, 237, 0.25),
      0 10px 32px -8px rgba(168, 85, 247, 0.55),
      0 0 36px -6px rgba(168, 85, 247, 0.40);
    transition: transform 0.25s ease, box-shadow 0.3s ease, filter 0.3s ease;
  }
  
  .sonar-bridge-primary::after {
    content: "";
    position: absolute;
    top: 0;
    left: -40%;
    width: 40%;
    height: 100%;
    background: linear-gradient(
      100deg,
      transparent 0%,
      rgba(255, 255, 255, 0.22) 50%,
      transparent 100%
    );
    transform: skewX(-18deg);
    transition: left 0.7s ease;
    pointer-events: none;
  }
  
  .sonar-bridge-primary:hover {
    transform: translateY(-2px);
    filter: brightness(1.07);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.22),
      0 0 0 1px rgba(124, 58, 237, 0.35),
      0 14px 38px -8px rgba(168, 85, 247, 0.65),
      0 0 48px -6px rgba(168, 85, 247, 0.55);
  }
  
  .sonar-bridge-primary:hover::after {
    left: 120%;
  }
  
  .sonar-bridge-primary-arrow {
    display: inline-flex;
    transition: transform 0.3s ease;
  }
  
  .sonar-bridge-primary-arrow svg {
    width: 16px;
    height: 16px;
  }
  
  .sonar-bridge-primary:hover .sonar-bridge-primary-arrow {
    transform: translateX(4px);
  }
  
  /* ---------- Микро-подпись под карточкой ---------- */
  
  .sonar-bridge-meta {
    margin: 16px 0 0;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    font-size: 12px;
    color: rgba(226, 232, 240, 0.55);
  }
  
  .sonar-bridge-meta li {
    position: relative;
    display: flex;
    align-items: center;
  }
  
  .sonar-bridge-meta li + li::before {
    content: "·";
    margin-right: 14px;
    color: rgba(168, 85, 247, 0.50);
    font-weight: 700;
  }
  
  /* ---------- Responsive ---------- */
  
  @media (max-width: 991px) {
    .sonar-bridge-copy {
      text-align: center;
      margin: 0 auto;
    }
  
    .sonar-bridge-lede {
      margin-left: auto;
      margin-right: auto;
    }
  
    .sonar-bridge-card {
      padding: 24px 22px 22px;
    }
  }
  
  @media (max-width: 575px) {
    .sonar-bridge {
      padding: 72px 0;
    }
  
    .sonar-bridge-orb--a,
    .sonar-bridge-orb--b {
      display: none;
    }
  
    .sonar-bridge-rings {
      max-height: 360px;
    }
  
    .sonar-bridge-card-headline {
      font-size: 16px;
    }
  
    .sonar-bridge-primary {
      height: 48px;
      font-size: 12px;
    }
  
    .sonar-bridge-meta {
      justify-content: center;
      text-align: center;
    }
  }
  
  @media (prefers-reduced-motion: reduce) {
    .sonar-bridge-orb--a,
    .sonar-bridge-orb--b,
    .sonar-bridge-ring {
      animation: none;
    }
  }