/* =========================================================
   LEARNING REWIRED LAB — SIGNAL ROOM V3
   Working prototype case page
   ========================================================= */

.signal-room-v3 {
  overflow: hidden;
  background: #f7f8fb;
  color: #080b12;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.signal-room-v3 *,
.signal-room-v3 *::before,
.signal-room-v3 *::after {
  box-sizing: border-box;
}

.srv3-shell {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.signal-room-v3 h1,
.signal-room-v3 h2,
.signal-room-v3 h3,
.signal-room-v3 p {
  margin-top: 0;
}

.signal-room-v3 h1,
.signal-room-v3 h2,
.signal-room-v3 h3 {
  color: #080b12;
  text-wrap: balance;
}

.signal-room-v3 p {
  color: rgba(8, 11, 18, 0.64);
}

.signal-room-v3 a {
  color: inherit;
}

/* Shared type + buttons */

.srv3-eyebrow,
.srv3-kicker {
  margin: 0 0 16px;
  color: #2563eb;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
}

.srv3-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 21px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none !important;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.srv3-btn:hover {
  transform: translateY(-2px);
}

.srv3-btn.primary {
  border: 0;
  background: linear-gradient(135deg, #080b12 0%, #123f9c 48%, #2563eb 100%);
  color: #ffffff !important;
  box-shadow: 0 18px 42px rgba(37, 99, 235, 0.24);
}

.srv3-btn.secondary {
  border: 1px solid rgba(15, 23, 42, 0.10);
  background: #ffffff;
  color: #080b12 !important;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
}

/* Hero */

.srv3-hero {
  position: relative;
  padding: clamp(54px, 7vw, 92px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(circle at 84% 16%, rgba(37, 99, 235, 0.12), transparent 34%),
    radial-gradient(circle at 18% 80%, rgba(20, 184, 166, 0.10), transparent 32%),
    #ffffff;
}

.srv3-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: clamp(34px, 5vw, 76px);
  align-items: center;
}

.srv3-hero-copy h1 {
  max-width: 740px;
  margin: 0;
  padding-bottom: 0.14em;
  font-size: clamp(44px, 5.5vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.064em;
  font-weight: 720;
}

.srv3-hero-copy h1 span {
  display: inline-block;
  padding-right: 0.06em;
  padding-bottom: 0.08em;
  background: linear-gradient(135deg, #2563eb 0%, #5b4df5 42%, #7c3aed 70%, #14b8a6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.srv3-deck {
  max-width: 700px;
  margin: 24px 0 0;
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.64;
}

.srv3-hero-actions,
.srv3-demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.srv3-hero-actions.centered {
  justify-content: center;
}

/* Hero visual */

.srv3-hero-visual {
  position: relative;
  min-height: 430px;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 20%, rgba(37, 99, 235, 0.18), transparent 34%),
    radial-gradient(circle at 80% 76%, rgba(20, 184, 166, 0.13), transparent 34%),
    #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.10);
}

.srv3-hero-visual::before {
  content: "";
  position: absolute;
  inset: 26px;
  border-radius: 28px;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.srv3-prototype-card {
  position: absolute;
  inset: 48px 44px 44px;
  z-index: 2;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}

.srv3-card-top {
  display: flex;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.srv3-card-top span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.24);
}

.srv3-card-body {
  padding: 22px;
}

.srv3-card-kicker {
  margin: 0 0 10px;
  color: #2563eb !important;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.srv3-card-body h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.srv3-status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.srv3-status-grid article,
.srv3-profile-card {
  padding: 14px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.07);
}

.srv3-status-grid span,
.srv3-profile-card span {
  display: block;
  margin-bottom: 6px;
  color: #64748b;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.srv3-status-grid strong {
  display: block;
  color: #080b12;
  font-size: 15px;
  line-height: 1.18;
}

.srv3-profile-card {
  margin-top: 12px;
}

.srv3-profile-card p {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
}

.srv3-floating-pill {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 999px;
  background: #ffffff;
  color: #080b12;
  font-size: 14px;
  font-weight: 950;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.srv3-floating-pill span {
  display: grid;
  place-items: center;
  min-width: 28px;
  height: 24px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.10);
  color: #123f9c;
  font-size: 11px;
  font-weight: 950;
}

.srv3-floating-pill.pill-one {
  top: 28px;
  left: 28px;
}

.srv3-floating-pill.pill-two {
  top: 92px;
  right: 28px;
}

.srv3-floating-pill.pill-three {
  right: 34px;
  bottom: 26px;
}

/* Shared sections */

.srv3-section {
  padding: clamp(46px, 6vw, 84px) 0;
}

.srv3-section-header {
  max-width: 820px;
  margin-bottom: 28px;
}

.srv3-section-header.compact {
  margin-bottom: 24px;
}

.srv3-section-header h2,
.srv3-context-copy h2,
.srv3-demo-copy h2,
.srv3-roadmap-copy h2,
.srv3-final-card h2 {
  margin: 0;
  font-size: clamp(34px, 4.7vw, 64px);
  line-height: 1;
  letter-spacing: -0.058em;
  font-weight: 700;
}

.srv3-section-header p,
.srv3-context-copy p,
.srv3-demo-copy p,
.srv3-roadmap-copy p,
.srv3-final-card p {
  margin: 18px 0 0;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.66;
}

/* Cards */

.srv3-context-section,
.srv3-learning-section {
  background: #f7f8fb;
}

.srv3-prototype-section,
.srv3-demo-section,
.srv3-roadmap-section {
  background: #ffffff;
}

.srv3-context-card,
.srv3-demo-card,
.srv3-roadmap-card {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 5vw, 62px);
  align-items: center;
  padding: clamp(28px, 4.5vw, 54px);
  border-radius: 40px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.07);
}

.srv3-demo-card {
  background:
    radial-gradient(circle at 86% 14%, rgba(37, 99, 235, 0.08), transparent 28%),
    #ffffff;
}

.srv3-fact-grid,
.srv3-review-stack,
.srv3-roadmap-stack {
  display: grid;
  gap: 12px;
}

.srv3-fact-grid article,
.srv3-review-stack article,
.srv3-roadmap-stack article {
  padding: 18px;
  border-radius: 24px;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.07);
}

.srv3-fact-grid span,
.srv3-review-stack span,
.srv3-roadmap-stack span {
  display: inline-flex;
  margin-bottom: 10px;
  color: #2563eb;
  font-size: 12px;
  font-weight: 950;
}

.srv3-fact-grid h3,
.srv3-review-stack h3,
.srv3-roadmap-stack h3 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.045em;
}

.srv3-fact-grid p,
.srv3-review-stack p,
.srv3-roadmap-stack p {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
}

/* Grids */

.srv3-purpose-grid,
.srv3-learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.srv3-purpose-grid article,
.srv3-learning-grid article {
  min-height: 230px;
  padding: 22px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 28px;
  background:
    radial-gradient(circle at 86% 14%, rgba(37, 99, 235, 0.08), transparent 28%),
    #ffffff;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.052);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.srv3-purpose-grid article:hover,
.srv3-learning-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: 0 28px 68px rgba(15, 23, 42, 0.09);
}

.srv3-purpose-grid article > span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(124, 58, 237, 0.12), rgba(20, 184, 166, 0.12));
  color: #123f9c;
  font-size: 14px;
  font-weight: 950;
}

.srv3-purpose-grid h3,
.srv3-learning-grid h3 {
  margin: 0;
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.srv3-purpose-grid p,
.srv3-learning-grid p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.54;
}

/* Final CTA */

.srv3-final-section {
  padding: clamp(46px, 6vw, 84px) 0 clamp(70px, 8vw, 112px);
  background: #ffffff;
}

.srv3-final-card {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 60px);
  border-radius: 40px;
  text-align: center;
  background:
    radial-gradient(circle at 20% 24%, rgba(37, 99, 235, 0.18), transparent 30%),
    radial-gradient(circle at 84% 76%, rgba(20, 184, 166, 0.14), transparent 34%),
    #080b12;
  box-shadow: 0 34px 90px rgba(15, 23, 42, 0.22);
}

.srv3-final-card .srv3-kicker,
.srv3-final-card h2 {
  color: #ffffff;
}

.srv3-final-card p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, 0.74);
}
/* =========================================================
   Click-to-reveal sections
   ========================================================= */

.srv3-reveal-section {
  background: #ffffff;
}

.srv3-reveal-card {
  padding: clamp(28px, 4.5vw, 54px);
  border-radius: 40px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.07);
}

.srv3-reveal-intro {
  max-width: 820px;
  margin-bottom: 24px;
}

.srv3-reveal-intro h2 {
  margin: 0;
  font-size: clamp(34px, 4.7vw, 64px);
  line-height: 1;
  letter-spacing: -0.058em;
  font-weight: 700;
}

.srv3-reveal-intro p {
  margin: 18px 0 0;
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.66;
}

.srv3-reveal-list {
  display: grid;
  gap: 12px;
}

.srv3-reveal {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 24px;
  background: #f8fafc;
  overflow: hidden;
}

.srv3-reveal summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 18px 20px;
  color: #080b12;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.035em;
  cursor: pointer;
  list-style: none;
}

.srv3-reveal summary::-webkit-details-marker {
  display: none;
}

.srv3-reveal summary::after {
  content: "+";
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.10);
  color: #123f9c;
  font-size: 20px;
  font-weight: 950;
  transition: transform 0.2s ease, background 0.2s ease;
}

.srv3-reveal[open] summary::after {
  content: "–";
  background: #123f9c;
  color: #ffffff;
}

.srv3-reveal-body {
  padding: 0 20px 20px;
}

.srv3-reveal-body p {
  margin: 0;
  color: rgba(8, 11, 18, 0.64);
  font-size: 16px;
  line-height: 1.62;
}

.srv3-reveal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.srv3-reveal-grid article {
  padding: 16px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.07);
}

.srv3-reveal-grid h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1;
  letter-spacing: -0.045em;
}

.srv3-reveal-grid p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .srv3-reveal-card,
  .srv3-reveal {
    border-radius: 28px;
  }

  .srv3-reveal-grid {
    grid-template-columns: 1fr;
  }

  .srv3-reveal summary {
    font-size: 17px;
    align-items: flex-start;
  }
}

/* Responsive */

@media (max-width: 1080px) {
  .srv3-hero-grid,
  .srv3-context-card,
  .srv3-demo-card,
  .srv3-roadmap-card {
    grid-template-columns: 1fr;
  }

  .srv3-hero-copy h1 {
    max-width: 760px;
  }

  .srv3-purpose-grid,
  .srv3-learning-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .srv3-hero-visual {
    min-height: 430px;
  }
}

@media (max-width: 760px) {
  .srv3-shell {
    width: min(100% - 32px, 1240px);
  }

  .srv3-hero {
    padding: 48px 0 58px;
  }

  .srv3-hero-copy h1 {
    font-size: clamp(42px, 12vw, 66px);
    line-height: 0.98;
    letter-spacing: -0.062em;
  }

  .srv3-hero-actions,
  .srv3-hero-actions.centered,
  .srv3-demo-actions {
    width: 100%;
  }

  .srv3-btn {
    width: 100%;
  }

  .srv3-section-header h2,
  .srv3-context-copy h2,
  .srv3-demo-copy h2,
  .srv3-roadmap-copy h2,
  .srv3-final-card h2 {
    font-size: clamp(34px, 9vw, 50px);
    line-height: 1;
    letter-spacing: -0.052em;
  }

  .srv3-purpose-grid,
  .srv3-learning-grid {
    grid-template-columns: 1fr;
  }

  .srv3-hero-visual,
  .srv3-context-card,
  .srv3-demo-card,
  .srv3-roadmap-card,
  .srv3-final-card,
  .srv3-purpose-grid article,
  .srv3-learning-grid article {
    border-radius: 28px;
  }

  .srv3-prototype-card {
    inset: 54px 18px 48px;
  }

  .srv3-status-grid {
    grid-template-columns: 1fr;
  }

  .srv3-floating-pill {
    display: none;
  }
}

@media (max-width: 520px) {
  .srv3-shell {
    width: min(100% - 28px, 1240px);
  }

  .srv3-hero-visual {
    min-height: 520px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .srv3-btn,
  .srv3-purpose-grid article,
  .srv3-learning-grid article {
    transition: none !important;
  }

  .srv3-btn:hover,
  .srv3-purpose-grid article:hover,
  .srv3-learning-grid article:hover {
    transform: none !important;
  }
}