/* =============================================================
   MOMENTUM COGNITION - Product Detail Page Styles
   Extends style.css - do not duplicate base variables here
   ============================================================= */

/* --- Breadcrumb --- */
.prod-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
  transition: color 0.2s;
}

.prod-breadcrumb:hover {
  color: var(--purple-hi);
}

.prod-breadcrumb-wide {
  grid-column: 1 / -1;
  margin-bottom: 0.5rem;
}

/* --- Product Hero --- */
.prod-hero {
  background: var(--bg-dark);
  padding-top: 0;
  overflow: hidden;
  position: relative;
}

.prod-hero::before {
  content: '';
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 79, 207, 0.1) 0%, transparent 70%);
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  pointer-events: none;
}

.prod-hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 4rem;
  align-items: start;
  padding-top: 7rem;
  padding-bottom: 5rem;
}

.prod-hero-content {
  position: relative;
  z-index: 1;
}

.prod-hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.prod-hero-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.prod-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 1.2rem;
  background: linear-gradient(135deg, var(--text-white) 40%, var(--purple-hi));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prod-hero-title.prod-hero-title-sm {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.prod-hero-tagline {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 50ch;
  margin-bottom: 2.2rem;
}

.prod-hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.prod-hero-img {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}

.prod-hero-screenshot {
  width: 100%;
  max-width: 420px;
  max-height: 520px;
  object-fit: cover;
  object-position: top;
  border-radius: 10px;
  border: 2px solid rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 60px rgba(107, 79, 207, 0.2), 0 20px 60px rgba(0, 0, 0, 0.4);
}

/* --- Section base --- */
.prod-section {
  padding: 5rem 0;
}

.prod-section-light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.prod-section-dark {
  background: var(--bg-darkest);
}

.prod-section-mid {
  background: var(--bg-darker);
}

.prod-section-inner {
  max-width: 72ch;
}

.prod-sec-hdr {
  text-align: center;
  max-width: 52ch;
  margin: 0 auto 3rem;
}

.prod-sec-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--purple-mid);
  margin-bottom: 0.7rem;
}

.prod-sec-label.lt {
  color: var(--purple-hi);
}

.prod-sec-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.prod-sec-h2.lt {
  color: var(--text-white);
}

.prod-sec-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.prod-sec-sub.lt {
  color: rgba(255, 255, 255, 0.6);
}

/* --- Body text (light section) --- */
.prod-body-text p {
  font-size: 1rem;
  color: var(--text-dark-sub);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.prod-body-text p:last-child {
  margin-bottom: 0;
}

/* --- Steps --- */
.prod-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--r);
  overflow: hidden;
}

.prod-step {
  background: var(--bg-dark);
  padding: 2.2rem 2rem;
  transition: background 0.2s;
}

.prod-step:hover {
  background: #22262e;
}

.prod-step-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--purple-mid);
  margin-bottom: 1rem;
  opacity: 0.7;
}

.prod-step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.prod-step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Screenshot --- */
.prod-screenshot-wrap {
  text-align: center;
}

.prod-screenshot-full {
  max-width: 720px;
  width: 100%;
  border-radius: 10px;
  border: 2px solid rgba(139, 92, 246, 0.35);
  box-shadow: 0 0 60px rgba(107, 79, 207, 0.15), 0 20px 50px rgba(0, 0, 0, 0.3);
  margin-bottom: 1rem;
}

.prod-screenshot-caption {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

/* --- Tech grid --- */
.prod-tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.prod-tech-item {
  background: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--r);
  padding: 1.4rem 1.2rem;
  transition: border-color 0.2s;
}

.prod-tech-item:hover {
  border-color: rgba(154, 141, 232, 0.25);
}

.prod-tech-name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--purple-hi);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}

.prod-tech-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --- Two-column screenshots --- */
.prod-screenshots-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.prod-screenshot-item {
  text-align: center;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .prod-hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-top: 6rem;
    padding-bottom: 3rem;
  }

  .prod-hero-img {
    order: -1;
  }

  .prod-hero-screenshot {
    max-width: 340px;
  }

  .prod-steps {
    grid-template-columns: 1fr;
  }

  .prod-tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prod-screenshots-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .prod-section {
    padding: 3.5rem 0;
  }

  .prod-hero-inner {
    padding-top: 5.5rem;
  }

  .prod-tech-grid {
    grid-template-columns: 1fr 1fr;
  }

  .prod-hero-btns {
    flex-direction: column;
  }

  .prod-hero-btns .btn-fill,
  .prod-hero-btns .btn-ghost {
    width: 100%;
    justify-content: center;
  }
}