.ru-product-dev-page {
  --ru-page-max: 1080px;
  --ru-navy: #173f73;
  --ru-blue: #0f64be;
  --ru-blue-dark: #174581;
  --ru-ink: #17304a;
  --ru-text: #324860;
  --ru-border: #d6e1ee;
  --ru-surface: #f5f9fd;
  --ru-surface-2: #eef4fb;
  --ru-shadow: 0 20px 50px rgba(16, 44, 80, 0.12);
  background: #fff;
  color: var(--ru-text);
  margin: 0;
  padding: 0;
}

body.ru-product-dev-page #page-wrapper,
body.ru-product-dev-page #main,
body.ru-product-dev-page .site-main {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

.ru-product-dev-page .ru-full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.ru-product-dev-page .ru-container {
  width: min(var(--ru-page-max), calc(100% - 32px));
  margin: 0 auto;
}

.ru-product-dev-page .ru-section {
  padding: clamp(56px, 7vw, 92px) 0;
}

.ru-product-dev-page .ru-section--tight {
  padding: clamp(40px, 5vw, 64px) 0;
}

.ru-product-dev-page .ru-soft-bg {
  background: linear-gradient(180deg, #fbfdff 0%, #f4f8fc 100%);
}

.ru-product-dev-page .ru-section-header {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.ru-product-dev-page .ru-section-header h2,
.ru-product-dev-page .ru-split-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.08;
  color: var(--ru-ink);
  letter-spacing: -0.03em;
}

.ru-product-dev-page .ru-section-header p,
.ru-product-dev-page .ru-split-copy p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
}

.ru-product-dev-page .ru-eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ru-blue);
}

.ru-product-dev-page .ru-hero {
  position: relative;
  min-height: clamp(320px, 46vh, 430px);
  overflow: hidden;
  background: #0b1b2d;
  color: #fff;
}

.ru-product-dev-page .ru-hero__media {
  position: absolute;
  inset: 0;
  background-color: #0b1b2d;
  background-image:
    linear-gradient(135deg, rgba(5, 21, 39, 0.42) 0%, rgba(18, 56, 99, 0.18) 52%, rgba(9, 20, 33, 0.48) 100%),
    var(--ru-hero-image, linear-gradient(135deg, rgba(5, 21, 39, 0.92) 0%, rgba(18, 56, 99, 0.86) 52%, rgba(9, 20, 33, 0.96) 100%));
  background-position: center center, var(--ru-hero-position, center center);
  background-size: cover, cover;
  background-repeat: no-repeat, no-repeat;
}

.ru-product-dev-page .ru-hero__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.12;
}

.ru-product-dev-page .ru-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,18,30,0.28) 0%, rgba(8,18,30,0.62) 100%);
}

.ru-product-dev-page .ru-hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  min-height: inherit;
  padding: 72px 0 42px;
}

.ru-product-dev-page .ru-hero__text {
  width: min(760px, 100%);
}

.ru-product-dev-page .ru-hero__text h1 {
  margin: 0 0 18px;
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
  text-shadow: 0 12px 30px rgba(0,0,0,0.26);
}

.ru-product-dev-page .ru-hero__lead,
.ru-product-dev-page .ru-hero__sub {
  max-width: 640px;
  line-height: 1.7;
  color: rgba(255,255,255,0.92);
}

.ru-product-dev-page .ru-hero__lead {
  margin: 0 0 16px;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.ru-product-dev-page .ru-hero__sub {
  margin: 0 0 34px;
  font-size: 1rem;
  color: rgba(255,255,255,0.82);
}

.ru-product-dev-page .ru-hero__actions,
.ru-product-dev-page .ru-cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ru-product-dev-page .ru-hero__placeholder {
  position: absolute;
  right: clamp(18px, 4vw, 40px);
  bottom: clamp(18px, 4vw, 36px);
  padding: 12px 16px;
  max-width: 320px;
  border: 1px dashed rgba(255,255,255,0.35);
  border-radius: 14px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(6px);
  font-size: 0.88rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.86);
}

.ru-product-dev-page .ru-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.ru-product-dev-page .ru-btn:hover,
.ru-product-dev-page .ru-btn:focus {
  transform: translateY(-1px);
  text-decoration: none;
}

.ru-product-dev-page .ru-btn--primary {
  background: linear-gradient(135deg, var(--ru-blue) 0%, var(--ru-blue-dark) 100%);
  color: #fff;
  box-shadow: 0 18px 34px rgba(15, 100, 190, 0.24);
}

.ru-product-dev-page .ru-btn--secondary {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
}

.ru-product-dev-page .ru-grid,
.ru-product-dev-page .ru-process,
.ru-product-dev-page .ru-faq {
  display: grid;
  gap: 24px;
}

.ru-product-dev-page .ru-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ru-product-dev-page .ru-grid--2,
.ru-product-dev-page .ru-solution-grid,
.ru-product-dev-page .ru-proof-grid,
.ru-product-dev-page .ru-tech-grid,
.ru-product-dev-page .ru-faq {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.ru-product-dev-page .ru-card,
.ru-product-dev-page .ru-solution-item,
.ru-product-dev-page .ru-process-step,
.ru-product-dev-page .ru-proof-card,
.ru-product-dev-page .ru-tech-item,
.ru-product-dev-page .ru-faq details,
.ru-product-dev-page .ru-note-panel {
  border: 1px solid var(--ru-border);
  background: #fff;
  box-shadow: 0 12px 32px rgba(16, 44, 80, 0.06);
}

.ru-product-dev-page .ru-card,
.ru-product-dev-page .ru-solution-item,
.ru-product-dev-page .ru-note-panel,
.ru-product-dev-page .ru-faq details {
  border-radius: 24px;
  padding: 24px;
}

.ru-product-dev-page .ru-card h3,
.ru-product-dev-page .ru-solution-item h3,
.ru-product-dev-page .ru-process-step h3,
.ru-product-dev-page .ru-proof-content h3 {
  margin: 0 0 10px;
  color: var(--ru-ink);
  letter-spacing: -0.02em;
}

.ru-product-dev-page .ru-card p,
.ru-product-dev-page .ru-solution-item p,
.ru-product-dev-page .ru-process-step p,
.ru-product-dev-page .ru-proof-content p,
.ru-product-dev-page .ru-faq details p {
  margin: 0;
  line-height: 1.7;
}

.ru-product-dev-page .ru-icon-bullet {
  display: inline-flex;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(15, 100, 190, 0.1);
  color: var(--ru-blue);
  font-weight: 800;
}

.ru-product-dev-page .ru-split {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(320px, 0.92fr);
  gap: 28px;
  align-items: start;
}

.ru-product-dev-page .ru-solution-grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.ru-product-dev-page .ru-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.ru-product-dev-page .ru-checklist li {
  position: relative;
  padding-left: 28px;
  line-height: 1.65;
}

.ru-product-dev-page .ru-checklist li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ru-blue) 0%, var(--ru-blue-dark) 100%);
  box-shadow: 0 0 0 4px rgba(15, 100, 190, 0.1);
  transform: translateY(-50%);
}

.ru-product-dev-page .ru-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.ru-product-dev-page .ru-chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ru-surface);
  border: 1px solid var(--ru-border);
  color: var(--ru-ink);
  font-weight: 600;
}

.ru-product-dev-page .ru-process-step {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.ru-product-dev-page .ru-process-step__num {
  display: flex;
  width: 72px;
  height: 72px;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(15,100,190,0.12) 0%, rgba(23,69,129,0.08) 100%);
  color: var(--ru-blue-dark);
  font-size: 1.4rem;
  font-weight: 800;
}

.ru-product-dev-page .ru-proof-card {
  display: grid;
  grid-template-columns: clamp(300px, 34vw, 420px) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  border-radius: 26px;
  overflow: hidden;
}

.ru-product-dev-page .ru-proof-media {
  min-height: 0;
  aspect-ratio: 1 / 1;
  height: 100%;
  padding: 24px;
  display: flex;
  align-items: end;
  justify-content: flex-start;
  overflow: hidden;
  border-right: 1px solid var(--ru-border);
  background: linear-gradient(135deg, rgba(15,100,190,0.14) 0%, rgba(23,69,129,0.08) 100%), linear-gradient(180deg, #f1f6fc 0%, #dfe9f5 100%);
  color: var(--ru-blue-dark);
  font-weight: 700;
}

.ru-product-dev-page .ru-proof-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 30px 38px 30px 28px;
}

.ru-product-dev-page .ru-proof-grid {
  grid-template-columns: 1fr;
  gap: 28px;
}

.ru-product-dev-page .ru-cta-band {
  padding: clamp(34px, 5vw, 48px);
  border-radius: 30px;
  background: linear-gradient(135deg, #153d6f 0%, #0d2644 100%);
  color: #fff;
  box-shadow: 0 24px 50px rgba(10, 35, 67, 0.18);
}

.ru-product-dev-page .ru-cta-band h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.ru-product-dev-page .ru-cta-band p {
  margin: 0;
  max-width: 760px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
}

.ru-product-dev-page .ru-tech-item {
  border-radius: 20px;
  padding: 18px 18px 16px;
  text-align: center;
  color: var(--ru-ink);
  font-weight: 700;
}

.ru-product-dev-page .ru-faq summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  color: var(--ru-ink);
  line-height: 1.45;
}

.ru-product-dev-page .ru-faq summary::-webkit-details-marker {
  display: none;
}

.ru-product-dev-page .ru-faq details p {
  margin-top: 14px;
}

.ru-product-dev-page .ru-final-cta {
  padding-bottom: 88px;
}

@media (max-width: 1080px) {
  .ru-product-dev-page .ru-grid--3,
  .ru-product-dev-page .ru-proof-grid,
  .ru-product-dev-page .ru-tech-grid,
  .ru-product-dev-page .ru-grid--2,
  .ru-product-dev-page .ru-solution-grid,
  .ru-product-dev-page .ru-faq,
  .ru-product-dev-page .ru-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .ru-product-dev-page .ru-container {
    width: min(var(--ru-page-max), calc(100% - 24px));
  }

  .ru-product-dev-page .ru-hero {
    min-height: 310px;
  }

  .ru-product-dev-page .ru-hero__content {
    padding: 66px 0 34px;
  }

  .ru-product-dev-page .ru-hero__actions,
  .ru-product-dev-page .ru-cta-band__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .ru-product-dev-page .ru-btn,
  .ru-product-dev-page .ru-tech-grid,
  .ru-product-dev-page .ru-proof-grid,
  .ru-product-dev-page .ru-faq {
    width: 100%;
  }

  .ru-product-dev-page .ru-process-step {
    grid-template-columns: 1fr;
  }

  .ru-product-dev-page .ru-process-step__num {
    width: 58px;
    height: 58px;
    border-radius: 18px;
  }

  .ru-product-dev-page .ru-hero__placeholder {
    left: 16px;
    right: 16px;
    bottom: 18px;
    max-width: none;
  }

  .ru-product-dev-page .ru-proof-card {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .ru-product-dev-page .ru-proof-media {
    aspect-ratio: 4 / 3;
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--ru-border);
  }

  .ru-product-dev-page .ru-proof-content {
    padding: 22px 20px 24px;
  }
}