.concept-v3 {
  --surface: #e8ece8;
  --soft: #dce4df;
  --card: #f7f9f6;
  --input: #fff;
  --ink: #0b2025;
  --muted: #526467;
  --dark: #071a1f;
  --line: #bdc9c4;
  --line-strong: #74888a;
  --accent: #b8d96a;
  --accent-strong: #4f7012;
  --card-radius: 0.25rem;
  --media-radius: 0.25rem;
  --button-radius: 0.2rem;
}

.v3-header {
  border-block-end: 1px solid rgb(255 255 255 / 12%);
  background: var(--dark);
  color: #f4f8f2;
}

.v3-header .brand-role {
  color: rgb(255 255 255 / 58%);
}

.v3-header .primary-nav a {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

.v3-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 9vw, 8rem);
  background:
    linear-gradient(18deg, transparent 47%, rgb(184 217 106 / 7%) 48% 49%, transparent 50%) 0 0 / 8rem 8rem,
    linear-gradient(90deg, rgb(184 217 106 / 5%) 1px, transparent 1px) 0 0 / 7rem 100%,
    var(--dark);
  color: #f4f8f2;
}

.v3-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(24rem, 0.9fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}

.v3-hero h1 {
  max-width: 15ch;
  margin-block-end: 1.5rem;
  font-size: clamp(3rem, 6vw, 5.8rem);
  font-weight: 650;
  letter-spacing: -0.055em;
}

[dir="rtl"] .v3-hero h1 {
  letter-spacing: 0;
}

html[lang="he"] .v3-header .primary-nav a {
  font-family: "Noto Sans Hebrew", "Segoe UI", Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0;
}

html[lang="he"] .v3-hero .eyebrow {
  font-family: "Noto Sans Hebrew", "Segoe UI", Arial, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0;
}

html[lang="en"] .v3-hero h1 {
  font-size: clamp(2.8rem, 5vw, 4.9rem);
}

html[lang="ru"] .v3-hero h1 {
  max-width: 18ch;
  font-size: clamp(2.65rem, 4.6vw, 4.5rem);
}

.v3-hero .lead {
  color: rgb(255 255 255 / 67%);
}

.v3-hero .eyebrow {
  color: var(--accent);
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
}

.v3-hero .button {
  --button-bg: var(--accent);
  --button-ink: #071a1f;
}

.v3-diagnostic-stack {
  display: grid;
  gap: 0.65rem;
  padding: 1.1rem;
  border: 1px solid rgb(255 255 255 / 16%);
  background: rgb(7 26 31 / 72%);
}

.v3-diagnostic-layer {
  display: grid;
  grid-template-columns: 3.3rem minmax(0, 1fr) auto;
  gap: 0.8rem;
  align-items: center;
  min-height: 4.2rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgb(255 255 255 / 14%);
  background: rgb(255 255 255 / 4%);
}

.v3-diagnostic-layer span:first-child {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  color: var(--accent);
  font-size: 0.7rem;
}

.v3-diagnostic-layer strong {
  font-size: 0.9rem;
}

.v3-diagnostic-layer i {
  display: block;
  width: clamp(1.2rem, 5vw, 5rem);
  height: 2px;
  background: var(--accent);
  opacity: var(--layer-opacity, 0.35);
}

.v3-diagnostic-layer:nth-child(2) i {
  --layer-opacity: 0.62;
}

.v3-diagnostic-layer:nth-child(3) i {
  --layer-opacity: 1;
}

.v3-selector-section {
  margin-block-start: -2.5rem;
  padding-block: 0 clamp(4.5rem, 8vw, 7rem);
}

.v3-selector-panel {
  position: relative;
  z-index: 4;
  padding: clamp(1.2rem, 4vw, 2.5rem);
  border-block-start: 5px solid var(--accent);
  background: #f7f9f6;
  box-shadow: 0 18px 60px rgb(7 26 31 / 15%);
}

.case-selector {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-block-start: 1.5rem;
}

.case-selector button {
  min-height: 52px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  font-size: 0.78rem;
  font-weight: 750;
  text-align: start;
}

.case-selector button:hover,
.case-selector button[aria-pressed="true"] {
  border-color: var(--dark);
  background: var(--dark);
  color: #fff;
}

.case-selector button[aria-pressed="true"] {
  box-shadow: inset 4px 0 0 var(--accent);
}

[dir="rtl"] .case-selector button[aria-pressed="true"] {
  box-shadow: inset -4px 0 0 var(--accent);
}

.case-recommendation {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  margin-block-start: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  background: #eef2ec;
}

.case-recommendation[hidden] {
  display: none;
}

.case-recommendation p,
.case-recommendation .button-row {
  margin: 0;
}

.case-recommendation-copy {
  display: grid;
  gap: 0.55rem;
}

.case-disclaimer,
.case-rationale {
  color: var(--muted);
  font-size: 0.84rem;
}

.v3-journey {
  background: var(--surface);
}

.v3-journey-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-inline-start: 1px solid var(--line-strong);
  list-style: none;
  counter-reset: journey;
}

.v3-journey-item {
  position: relative;
  display: grid;
  grid-template-columns: 4rem minmax(12rem, 0.8fr) minmax(0, 1.2fr);
  gap: 1.25rem;
  align-items: start;
  padding: 1.5rem 1.25rem;
  border-block-end: 1px solid var(--line);
  counter-increment: journey;
}

.v3-journey-item::before {
  color: var(--accent-strong);
  content: counter(journey, decimal-leading-zero);
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 900;
}

.v3-journey-item::after {
  position: absolute;
  inset-inline-start: -0.34rem;
  inset-block-start: 1.8rem;
  width: 0.64rem;
  height: 0.64rem;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--accent-strong);
  content: "";
}

.v3-journey-item h3,
.v3-journey-item p {
  margin: 0;
}

html[lang="ru"] .v3-journey-item h3 {
  font-size: 1.1rem;
}

.v3-journey-item p {
  color: var(--muted);
}

.v3-evidence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 1rem;
}

.v3-evidence-grid > :only-child,
.v3-about-grid > :only-child {
  grid-column: 1 / -1;
}

.v3-evidence-grid .media-figure {
  min-height: 430px;
}

.v3-evidence-grid .media-figure:nth-child(2) {
  margin-block-start: 5rem;
}

.v3-analysis-card {
  padding: 1.5rem;
  border-inline-start: 5px solid var(--accent);
  background: var(--dark);
  color: #fff;
}

.v3-analysis-card p {
  color: rgb(255 255 255 / 67%);
}

.v3-methods .method-group {
  border: 1px solid var(--line);
  border-block-start: 4px solid var(--accent-strong);
  background: transparent;
}

.v3-reports {
  background: var(--dark);
  color: #f4f8f2;
}

.v3-reports .section-intro,
.v3-reports .disclaimer {
  color: rgb(255 255 255 / 64%);
}

.v3-reports .eyebrow {
  color: var(--accent);
}

.v3-reports :is(.deliverables-list, .deliverable-group, .deliverable-group ul) {
  --line: rgb(255 255 255 / 16%);
}

.v3-reports .deliverable-group li span {
  color: rgb(255 255 255 / 66%);
}

.concept-v3 .service-family {
  border-radius: 0;
  border-block-start-color: var(--accent-strong);
  background: #f7f9f6;
}

.v3-reports .content-disclosure {
  --line: rgb(255 255 255 / 18%);
}

.v3-reports .boundary-grid p,
.v3-reports .video-disclosure .info-card p {
  color: rgb(255 255 255 / 68%);
}

.v3-reports .video-disclosure .info-card {
  border-color: rgb(255 255 255 / 16%);
  background: rgb(255 255 255 / 5%);
}

.v3-dual-grid,
.v3-about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.25rem, 5vw, 5rem);
  align-items: start;
}

.v3-contact-section {
  background: var(--soft);
}

.v3-contact-section .eyebrow {
  color: #3e5c0c;
}

.concept-v3 .whatsapp-contact-card {
  border-color: var(--ink);
  border-radius: 0;
  box-shadow: 10px 10px 0 rgb(79 112 18 / 24%);
}

.concept-v3 .contact-card-kicker {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  letter-spacing: 0.03em;
}

.concept-v3 .contact-prep-list li > span,
.concept-v3 .contact-alternative {
  border-radius: 0;
}

@media (max-width: 1100px) {
  .v3-evidence-grid,
  .v3-dual-grid,
  .v3-about-grid {
    grid-template-columns: 1fr;
  }

  .v3-evidence-grid .media-figure:nth-child(2) {
    margin-block-start: 0;
  }
}

@media (max-width: 900px) {
  .v3-hero-grid,
  .v3-evidence-grid,
  .v3-dual-grid,
  .v3-about-grid {
    grid-template-columns: 1fr;
  }

  .v3-hero h1 {
    max-width: none;
    font-size: clamp(2rem, 7vw, 3.75rem);
  }

  html[lang="en"] .v3-hero h1 {
    font-size: clamp(2rem, 6.5vw, 3.45rem);
  }

  html[lang="ru"] .v3-hero h1 {
    font-size: clamp(1.9rem, 6.2vw, 3.25rem);
  }

  .v3-evidence-grid .media-figure:nth-child(2) {
    margin-block-start: 0;
  }
}

@media (max-width: 650px) {
  .v3-diagnostic-layer {
    grid-template-columns: 2.6rem minmax(0, 1fr);
  }

  .v3-diagnostic-layer i {
    display: none;
  }

  .case-recommendation {
    grid-template-columns: 1fr;
  }

  .case-selector {
    grid-template-columns: 1fr;
  }

  .v3-evidence-grid .media-figure {
    min-height: 0;
    aspect-ratio: 4 / 3;
  }

  .v3-evidence-grid .media-figure img {
    min-height: 0;
  }

  .v3-journey-item {
    grid-template-columns: 2.8rem minmax(0, 1fr);
  }

  .v3-journey-item p {
    grid-column: 2;
  }
}
