/* =============================================================
   TransRisk v3 — product.css
   Styles specific to product.html
============================================================= */

/* ========================
   PAGE INTRO SECTION
======================== */

.prod-intro-section {
  background: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}

.prod-intro-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.prod-intro-title {
  margin-bottom: 20px;
}

.prod-intro-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-muted);
  margin: 0;
}

/* ========================
   12-MODULE GRID
======================== */

.prod-modules-section {
  background: var(--color-white);
}

.prod-modules-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.prod-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.prod-module-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid transparent;
  border-radius: var(--radius-lg);
  padding: 24px 22px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition:
    border-top-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
  position: relative;
}

.prod-module-card:hover {
  border-top-color: #22c55e;
  box-shadow: 0 8px 28px rgba(34, 197, 94, 0.12), 0 2px 8px rgba(0,0,0,0.04);
  transform: translateY(-2px);
}

.prod-module-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 36px;
  margin-bottom: 4px;
}

.prod-module-icon {
  width: 38px;
  height: 38px;
  background: rgba(34, 197, 94, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #16a34a;
  flex-shrink: 0;
  transition: background var(--transition);
}

.prod-module-icon svg {
  width: 20px;
  height: 20px;
}

.prod-module-card:hover .prod-module-icon {
  background: rgba(34, 197, 94, 0.14);
}

.prod-module-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.25;
  letter-spacing: -0.012em;
  margin: 0;
}

.prod-module-desc {
  font-size: 13.5px;
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 900px) {
  .prod-modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .prod-modules-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* ========================
   CAPABILITIES IN DEPTH
======================== */

.prod-capabilities-section {
  background: var(--color-light);
}

.prod-cap-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

.prod-cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
}

.prod-cap-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.prod-cap-item:nth-child(even) {
  border-right: none;
}

.prod-cap-item:nth-last-child(-n+2) {
  border-bottom: none;
}

.prod-cap-label {
  padding: 24px 20px;
  background: rgba(34, 197, 94, 0.04);
  font-size: 12px;
  font-weight: 700;
  color: #16a34a;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.4;
  border-right: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
}

.prod-cap-content {
  padding: 24px 24px;
}

.prod-cap-content p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text);
  margin: 0;
}

@media (max-width: 860px) {
  .prod-cap-grid {
    grid-template-columns: 1fr;
  }

  .prod-cap-item {
    grid-template-columns: 1fr;
    border-right: none;
  }

  .prod-cap-item:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--color-border);
  }

  .prod-cap-item:last-child {
    border-bottom: none;
  }

  .prod-cap-label {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
  }
}

/* ========================
   HERO
======================== */

.product-hero {
  position: relative;
  background: var(--color-navy);
  padding: 96px 40px 88px;
  text-align: center;
  overflow: hidden;
}

.product-hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.product-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.product-hero-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0;
}

.product-hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.1875rem);
  color: rgba(255,255,255,0.62);
  max-width: 640px;
  line-height: 1.65;
  margin: 0;
}


/* ========================
   PLATFORM DIAGRAM
======================== */

.diagram-section {
  background: #fff;
}

.diagram-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px;
}

.platform-diagram {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

/* ── Row ── */
.diag-row {
  display: flex;
  align-items: stretch;
  gap: 16px;
}

.diag-row-label {
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  width: 36px;
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  text-transform: uppercase;
  padding: 12px 0;
}

.diag-row-label--green { color: var(--color-green-dark); }
.diag-row-label--dark  { color: var(--color-navy); }

.diag-boxes {
  display: flex;
  gap: 16px;
  flex: 1;
}

.diag-boxes--four {
  gap: 12px;
}

/* ── Boxes ── */
.diag-box {
  flex: 1;
  border-radius: var(--radius-lg);
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.diag-box--navy {
  background: rgba(15, 31, 46, 0.06);
  border: 1.5px solid rgba(15, 31, 46, 0.14);
  color: var(--color-text);
}

.diag-box--green {
  background: rgba(45, 122, 58, 0.09);
  border: 1.5px solid rgba(45, 122, 58, 0.28);
  color: var(--color-green-dark);
}

.diag-box--dark {
  background: rgba(15, 31, 46, 0.04);
  border: 1.5px solid rgba(15, 31, 46, 0.12);
  color: var(--color-text);
}

.diag-box strong {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
}

.diag-box span {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.diag-box--green span { color: rgba(34, 96, 44, 0.72); }

.diag-box-icon {
  width: 28px;
  height: 28px;
  margin-bottom: 4px;
  opacity: 0.75;
}

.diag-box-icon svg {
  width: 24px;
  height: 24px;
}

/* Smaller output boxes */
.diag-box--sm {
  padding: 16px 14px;
}

.diag-box--sm strong {
  font-size: 0.8125rem;
}

/* ── Arrow connector ── */
.diag-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
  color: var(--color-border);
}

/* Diagram responsive */
@media (max-width: 680px) {
  .diag-row {
    flex-direction: column;
    gap: 10px;
  }

  .diag-row-label {
    writing-mode: horizontal-tb;
    transform: none;
    width: auto;
    text-align: left;
    padding: 0;
    font-size: 0.625rem;
  }

  .diag-boxes {
    flex-wrap: wrap;
  }

  .diag-box {
    flex: 1 1 45%;
    min-width: 120px;
  }

  .diag-boxes--four .diag-box {
    flex: 1 1 45%;
  }
}


/* ========================
   MODULES — STICKY SIDEBAR LAYOUT
======================== */

.modules-detail-section {
  background: var(--color-light);
  padding: 80px 0 96px;
}

.product-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: start;
}

/* ── Sidebar ── */
.product-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  max-height: calc(100vh - var(--nav-h) - 48px);
  overflow-y: auto;
  padding: 1.5rem 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.product-sidebar::-webkit-scrollbar { width: 4px; }
.product-sidebar::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.sidebar-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.75rem;
  padding: 0 0.75rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.82rem;
  color: var(--color-muted);
  text-decoration: none;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all 150ms ease;
  line-height: 1.3;
}

.sidebar-link:hover {
  color: var(--color-text);
  background: #f0f2f5;
  border-left-color: var(--color-green);
}

.sidebar-link.active {
  color: var(--color-green-dark);
  font-weight: 600;
  background: rgba(45,122,58,0.07);
  border-left-color: var(--color-green);
}

.sidebar-cta {
  display: block;
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.82rem;
}

/* ── Module detail content ── */
.modules-detail-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Each module <details> ── */
.module-detail {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.module-detail[open] {
  box-shadow: var(--shadow-sm);
}

/* ── Summary / header ── */
.module-detail-summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

/* Remove default marker in all browsers */
.module-detail-summary::-webkit-details-marker { display: none; }
.module-detail-summary::marker { display: none; }

.module-detail-summary:hover {
  background: rgba(0,0,0,0.015);
}

.module-detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 122, 58, 0.08);
  border-radius: var(--radius-md);
  color: var(--color-green);
  flex-shrink: 0;
}

.module-detail-icon svg {
  width: 22px;
  height: 22px;
}

.module-detail-title-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.module-detail-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin: 0;
}

/* Chevron rotates when open */
.module-detail-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  margin-left: auto;
}

.module-detail-chevron::before,
.module-detail-chevron::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 8px;
  height: 1.5px;
  background: var(--color-muted);
  border-radius: 1px;
  transition: transform 0.18s ease;
}

.module-detail-chevron::before {
  left: 2px;
  transform: translateY(-50%) rotate(45deg);
}

.module-detail-chevron::after {
  right: 2px;
  transform: translateY(-50%) rotate(-45deg);
}

.module-detail[open] .module-detail-chevron::before {
  transform: translateY(-50%) rotate(-45deg);
}

.module-detail[open] .module-detail-chevron::after {
  transform: translateY(-50%) rotate(45deg);
}

/* ── Body content ── */
.module-detail-body {
  padding: 0 24px 24px 80px; /* 40px icon + 16px gap + 24px left = 80px */
  border-top: 1px solid var(--color-border);
}

.module-bullets {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.module-bullets li {
  font-size: 0.9375rem;
  color: #374151;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
}

.module-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-green);
  flex-shrink: 0;
}

/* Key benefit callout */
.module-benefit {
  margin-top: 24px;
  background: rgba(45, 122, 58, 0.06);
  border-left: 3px solid var(--color-green);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 14px 18px;
}

.module-benefit-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-green-dark);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.module-benefit p {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-green-dark);
  line-height: 1.5;
  margin: 0;
}

/* ── NEW badge inside module title wrap ── */
.module-new-badge {
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--color-green);
  color: #fff;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
  text-transform: uppercase;
}

/* ── Desktop: remove pointer cursor on summary (content always visible) ── */
@media (min-width: 960px) {
  .module-detail-summary {
    cursor: default;
    pointer-events: none; /* sidebar handles navigation */
  }

  .module-detail-chevron {
    display: none;
  }

  .module-detail-body {
    border-top-color: var(--color-border);
  }
}

/* Modules responsive */
@media (max-width: 1023px) {
  .product-layout {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }

  .product-sidebar {
    display: none;
  }
}

@media (max-width: 959px) {
  .module-detail-body {
    padding: 0 20px 20px 20px;
  }
}

@media (max-width: 600px) {
  .modules-detail-section {
    padding: 56px 0 72px;
  }

  .module-detail-summary {
    padding: 16px 18px;
    gap: 12px;
  }

  .module-detail-icon {
    width: 34px;
    height: 34px;
  }

  .module-detail-title {
    font-size: 0.9375rem;
  }
}


/* ========================
   INSTRUMENTS
======================== */

.instruments-section {
  background: #fff;
}

.instruments-header {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}

.instruments-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 760px;
  margin: 0 auto;
}

.instrument-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid rgba(34, 197, 94, 0.25);
  font-size: 0.875rem;
  font-weight: 600;
  color: #22c55e;
  background: #0f1923;
  transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
  letter-spacing: 0.01em;
}

.instrument-pill:hover {
  border-color: #22c55e;
  background: #152030;
  color: #4ade80;
  transform: translateY(-1px);
}

.instruments-sub {
  text-align: center;
  margin-top: 28px;
  font-size: 0.875rem;
  color: var(--color-muted);
  font-style: italic;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}


/* ========================
   DELIVERY & INTEGRATION
======================== */

.delivery-section {
  background: var(--color-light);
}

.delivery-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

.delivery-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 880px;
  margin: 0 auto;
}

.delivery-tile {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.delivery-tile:hover {
  border-color: #22c55e;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.10);
}

.delivery-tile-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 122, 58, 0.08);
  border-radius: var(--radius-md);
  color: var(--color-green);
}

.delivery-tile-icon svg {
  width: 24px;
  height: 24px;
}

.delivery-tile-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin: 0;
}

.delivery-tile-body {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 900px) {
  .delivery-tiles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .delivery-tiles {
    grid-template-columns: 1fr;
  }
}


/* ========================
   RESPONSIVE — HERO
======================== */

@media (max-width: 720px) {
  .product-hero {
    padding: 72px 24px 64px;
  }
}

@media (max-width: 480px) {
  .product-hero {
    padding: 56px 20px 52px;
  }
}