/* ============================================================
   DvSum — /platform Page Styles
   Page-specific only. Global tokens in themes.css + base.css.
   Use base.css classes first — only add here what base can't cover.
   ============================================================ */

:root {
  --nav-height: 72px;
}

.platform-page {
  padding-top: var(--nav-height);
}

/* ============================================================
   SECTION 1 — HERO
   Page-specific glow + dot positions only. Layout from .page-hero in base.css.
   ============================================================ */
.page-hero__bg-glow--pl-orange {
  top: -15%; right: -8%;
  width: 55%; height: 55%;
  background: radial-gradient(ellipse at center, rgba(240,80,0,0.10) 0%, transparent 70%);
  animation-duration: 7s;
}
.page-hero__bg-glow--pl-teal {
  bottom: -10%; left: -5%;
  width: 45%; height: 50%;
  background: radial-gradient(ellipse at center, rgba(40,180,200,0.08) 0%, transparent 70%);
  animation-duration: 9s;
  animation-direction: alternate-reverse;
}
.page-hero__dot--pl-1 { width: 6px; height: 6px; background: var(--dv-orange); opacity: 0.5; top: 18%; left: 6%;   animation-delay: 0s; }
.page-hero__dot--pl-2 { width: 4px; height: 4px; background: var(--dv-teal);   opacity: 0.5; top: 38%; right: 14%; animation-delay: 1.2s; }
.page-hero__dot--pl-3 { width: 7px; height: 7px; background: var(--dv-teal);   opacity: 0.3; top: 62%; left: 16%;  animation-delay: 2.8s; }
.page-hero__dot--pl-4 { width: 5px; height: 5px; background: var(--dv-orange); opacity: 0.4; top: 75%; right: 10%; animation-delay: 3.5s; }

/* ============================================================
   SECTION 2 — THE LOOP (Sense → Reason → Act → Learn)
   ============================================================ */
.pl-loop { background: var(--bg-surface); }

.pl-loop__diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: var(--space-10);
  position: relative;
}
.pl-loop__diagram::before {
  content: '';
  position: absolute;
  top: 52px;
  left: calc(12.5% + 28px);
  right: calc(12.5% + 28px);
  height: 2px;
  background: linear-gradient(90deg, var(--dv-orange), var(--dv-teal), var(--dv-orange), var(--dv-teal));
  opacity: 0.25;
  z-index: 0;
}
.pl-loop__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-5) var(--space-3);
  position: relative;
  z-index: 1;
}
.pl-loop__node-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  border: 2px solid transparent;
  transition: transform var(--transition-base);
}
.pl-loop__node:hover .pl-loop__node-icon { transform: scale(1.08); }
.pl-loop__node-icon--orange { background: var(--dv-orange-dim); border-color: var(--dv-orange-border); color: var(--dv-orange); }
.pl-loop__node-icon--teal   { background: var(--dv-teal-dim);   border-color: var(--dv-teal-border); color: var(--dv-teal); }
.pl-loop__node-icon svg { width: 28px; height: 28px; }

.pl-loop__node-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}
.pl-loop__node-label--orange { color: var(--dv-orange); }
.pl-loop__node-label--teal   { color: var(--dv-teal); }

.pl-loop__node-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.pl-loop__node-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 200px;
}
.pl-loop__quote {
  margin-top: var(--space-10);
  text-align: center;
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .pl-loop__diagram { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
  .pl-loop__diagram::before { display: none; }
}
@media (max-width: 480px) {
  .pl-loop__diagram { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 3 — PLATFORM LAYERS
   ============================================================ */
.pl-layers { background: var(--bg-page); }

.pl-layers__stack {
  margin-top: var(--space-10);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}
.pl-layer {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--border);
}
.pl-layer:last-child { border-bottom: none; }
.pl-layer--data        { background: var(--bg-card); }
.pl-layer--intelligence { background: var(--bg-surface); }
.pl-layer--consumption  { background: var(--bg-page); }

.pl-layer__label-col {
  padding: var(--space-6);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.pl-layer__number {
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.pl-layer__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
}
.pl-layer--data .pl-layer__name        { color: var(--dv-orange); }
.pl-layer--intelligence .pl-layer__name { color: var(--dv-teal); }
.pl-layer--consumption .pl-layer__name  { color: var(--text-primary); }

.pl-layer__sublabel {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pl-layer__content-col { padding: var(--space-6); }
.pl-layer__desc {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}
.pl-layer__components {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.pl-layer__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.pl-layer--data .pl-layer__tag         { border-color: var(--dv-orange-border);  color: var(--dv-orange); background: var(--dv-orange-dim); }
.pl-layer--intelligence .pl-layer__tag  { border-color: var(--dv-teal-border); color: var(--dv-teal);   background: var(--dv-teal-dim); }

.pl-layers__footer {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 768px) {
  .pl-layer { grid-template-columns: 1fr; }
  .pl-layer__label-col { border-right: none; border-bottom: 1px solid var(--border); padding: var(--space-4) var(--space-5); }
}

/* ============================================================
   SECTION 4 — DATA SOVEREIGNTY (always-dark)
   ============================================================ */
.pl-sovereignty { background: var(--bg-hero); }
.pl-sovereignty .eyebrow          { color: var(--dv-teal); }
.pl-sovereignty .section-header h2 { color: var(--text-hero-color); }
.pl-sovereignty .section-header p  { color: var(--text-hero-dim); }

.pl-sovereignty__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.pl-sovereignty__col {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.pl-sovereignty__col-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dv-teal);
  margin-bottom: var(--space-3);
}
.pl-sovereignty__col p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-hero-dim);
}
.pl-sovereignty__badge {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--dv-teal-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  background: var(--dv-teal-bg-subtle);
}
.pl-sovereignty__badge p {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--text-hero-color);
  margin: 0;
}

@media (max-width: 768px) {
  .pl-sovereignty__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 5 — AI MATURITY MODEL
   Uses .card from base.css + page-specific overrides only
   ============================================================ */
.pl-maturity { background: var(--bg-surface); }

.pl-maturity__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-10);
}
/* Accent the autonomous column */
.pl-maturity__col--autonomous.card {
  border-color: var(--dv-orange-border-strong);
  background: var(--dv-orange-bg-subtle);
}
.pl-maturity__num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1;
  color: var(--border);
}
.pl-maturity__level {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dv-orange);
}
.pl-maturity__control {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-muted);
}
.pl-maturity__example {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border-light);
  margin-top: auto;
}
.pl-maturity__callout {
  margin-top: var(--space-8);
  padding: var(--space-5) var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--dv-orange);
  border-radius: var(--radius-lg);
  text-align: center;
}
.pl-maturity__callout p { font-size: var(--text-base); font-style: italic; color: var(--text-secondary); margin: 0; }

@media (max-width: 900px) {
  .pl-maturity__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .pl-maturity__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 6 — COVERAGE MAP
   Both columns equal weight (platform view — no de-emphasis)
   ============================================================ */
.pl-coverage { background: var(--bg-page); }

.pl-coverage__table-wrap {
  margin-top: var(--space-10);
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.pl-coverage__table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
.pl-coverage__table th {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.pl-coverage__table th:first-child  { color: var(--text-muted); }
.pl-coverage__table th.th-network    { color: var(--dv-orange); }
.pl-coverage__table th.th-subscriber { color: var(--dv-teal); }

.pl-coverage__table td {
  padding: var(--space-5);
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}
.pl-coverage__table tr:last-child td { border-bottom: none; }
.pl-coverage__table td:first-child {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-surface);
  white-space: nowrap;
  border-right: 1px solid var(--border);
}
.pl-coverage__cell-title { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.pl-coverage__cell-desc  { font-size: var(--text-sm);  color: var(--text-secondary); line-height: 1.5; }
.pl-coverage__footer {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* ============================================================
   SECTION 7 — SYSTEM FLOW DIAGRAM
   ============================================================ */
.pl-flow { background: var(--bg-surface); }

.pl-flow__diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
  margin-top: var(--space-10);
}
.pl-flow__sources,
.pl-flow__targets {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pl-flow__lane {
  /* bg, border, radius inherited from .card in base.css */
  padding: var(--space-4) var(--space-5);
}
.pl-flow__lane-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}
.pl-flow__lane--oss .pl-flow__lane-label { color: var(--dv-orange); }
.pl-flow__lane--bss .pl-flow__lane-label { color: var(--dv-teal); }
.pl-flow__lane-items { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.pl-flow__tag {
  font-size: var(--text-xs);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.pl-flow__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.pl-flow__triggers { display: flex; gap: var(--space-3); }
.pl-flow__trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 600;
}
.pl-flow__trigger svg { color: var(--dv-orange); }
.pl-flow__core {
  background: var(--bg-hero);
  border: 1px solid var(--border-hero);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  text-align: center;
  min-width: 160px;
}
.pl-flow__core-brand {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-hero-color);
  margin-bottom: 4px;
}
.pl-flow__core-sub {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dv-orange);
}
.pl-flow__arrow { font-size: var(--text-2xl); color: var(--dv-orange); font-weight: 800; line-height: 1; }

.pl-flow__target {
  /* bg, border, radius inherited from .card in base.css */
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.pl-flow__target svg          { color: var(--dv-orange); flex-shrink: 0; }
.pl-flow__target-label        { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.pl-flow__target-sub          { font-size: var(--text-xs); color: var(--text-muted); }
.pl-flow__footer {
  margin-top: var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .pl-flow__diagram { grid-template-columns: 1fr; }
  .pl-flow__arrow   { transform: rotate(90deg); margin: var(--space-2) auto; }
}

/* ============================================================
   SECTION 8 — AURA BRIDGE
   ============================================================ */
.pl-aura-bridge { background: var(--bg-page); }

.pl-aura-bridge__card {
  margin-top: var(--space-10);
  background: var(--dv-teal-bg-subtle);
  border: 1.5px solid var(--dv-teal-border-strong);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
}
.pl-aura-bridge__eyebrow { color: var(--dv-teal); }
.pl-aura-bridge__heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--text-primary);
  margin: var(--space-2) 0 var(--space-4);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.pl-aura-bridge__body {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 560px;
}
.pl-aura-bridge__cta-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  flex-shrink: 0;
}
.pl-aura-bridge__note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: right;
  max-width: 220px;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .pl-aura-bridge__card { grid-template-columns: 1fr; padding: var(--space-6); }
  .pl-aura-bridge__cta-col { align-items: flex-start; }
  .pl-aura-bridge__note { text-align: left; max-width: none; }
}

/* ============================================================
   SECTION 9 — PROVEN ARCHITECTURE
   Cards use base.css .card — only framing copy styled here
   ============================================================ */
.pl-proof { background: var(--bg-surface); }

.pl-proof__framing {
  max-width: 700px;
  margin: var(--space-8) auto var(--space-10);
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.75;
  text-align: center;
  font-style: italic;
}

/* ============================================================
   SECTION 10 — FAQ
   ============================================================ */
.pl-faq { background: var(--bg-page); }

.pl-faq__list {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pl-faq__item {
  overflow: hidden;
  /* bg, border, radius inherited from .card in base.css */
}
.pl-faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.pl-faq__question:hover        { color: var(--dv-orange); }
.pl-faq__item.open .pl-faq__question { color: var(--dv-orange); }

.pl-faq__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-base);
}
.pl-faq__item.open .pl-faq__chevron { transform: rotate(180deg); }

.pl-faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.pl-faq__answer-inner {
  padding: var(--space-4) var(--space-6) var(--space-5);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-light);
}

/* ============================================================
   SECTION 11 — CTA BLOCK (always-dark)
   ============================================================ */
.pl-cta {
  background: var(--bg-hero);
  text-align: center;
}
.pl-cta h2      { color: var(--text-hero-color); max-width: 640px; margin: 0 auto; }
.pl-cta__body   {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-hero-dim);
  max-width: 560px;
  margin: var(--space-5) auto var(--space-8);
}
.pl-cta__buttons { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* ── Scroll invite (hero, no-CTA variant) ── */
.pl-hero-scroll-invite {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-hero-mute);
  font-size: var(--text-sm);
}

/* ── Hero stat card text overrides (word values instead of numbers) ── */
.page-hero__stat-value--word-orange {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
  color: var(--dv-orange);
  margin-bottom: var(--space-1);
}
.page-hero__stat-value--word-teal {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
  color: var(--dv-teal);
  margin-bottom: var(--space-1);
}