/**
 * Data Security as a Product — investor deck (dark presentation theme).
 */

:root {
  --ds-bg: #0b1120;
  --ds-bg-elevated: #111827;
  --ds-surface: #1a2332;
  --ds-surface-card: #1e293b;
  --ds-border: rgba(148, 163, 184, 0.18);
  --ds-navy: #0f172a;
  --ds-slate: #1e3a5f;
  --ds-accent: #dc2626;
  --ds-accent-soft: rgba(220, 38, 38, 0.15);
  --ds-green: #10b981;
  --ds-green-soft: rgba(16, 185, 129, 0.12);
  --ds-amber: #f59e0b;
  --ds-amber-soft: rgba(245, 158, 11, 0.12);
  --ds-blue: #3b82f6;
  --ds-text: #e2e8f0;
  --ds-text-muted: #94a3b8;
  --ds-radius: 14px;
  --ds-radius-sm: 10px;
  --ds-nav-sticky-top: 0;
}

/* Full-screen overlay override */
.presentation-mode-overlay--data-security {
  background: var(--ds-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(30, 58, 95, 0.45), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(153, 27, 27, 0.2), transparent);
}

.presentation-mode-overlay--data-security .presentation-header {
  background: rgba(11, 17, 32, 0.85);
  border-bottom-color: var(--ds-border);
}

.presentation-mode-overlay--data-security .presentation-content {
  padding-top: 1.5rem;
  max-width: 1180px;
  margin: 0 auto;
}

.presentation-mode-overlay--data-security .presentation-card {
  background: transparent;
  box-shadow: none;
  padding: 0;
  margin-bottom: 2rem;
  color: var(--ds-text);
  transform: none !important;
}

.presentation-mode-overlay--data-security .presentation-card:hover {
  transform: none !important;
  box-shadow: none !important;
}

.presentation-mode-overlay--data-security .presentation-card h2,
.presentation-mode-overlay--data-security .presentation-card h3,
.presentation-mode-overlay--data-security .presentation-card h4 {
  color: #f8fafc;
}

/* Deck shell */
.ds-deck {
  color: var(--ds-text);
}

/* Hero */
.ds-hero {
  position: relative;
  padding: 2.5rem 2rem 2rem;
  border-radius: var(--ds-radius);
  background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 50%, #7f1d1d 120%);
  border: 1px solid var(--ds-border);
  overflow: hidden;
}

.ds-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 40%, rgba(220, 38, 38, 0.08) 100%);
  pointer-events: none;
}

.ds-hero__inner {
  position: relative;
  z-index: 1;
}

.ds-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(248, 250, 252, 0.75);
  margin-bottom: 0.85rem;
}

.ds-hero__title {
  font-size: clamp(1.9rem, 3.5vw, 2.65rem);
  font-weight: 800;
  line-height: 1.12;
  color: #fff;
  margin-bottom: 1rem;
}

.ds-hero__title-accent {
  color: var(--ds-accent);
}

.ds-hero__lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ds-text);
  max-width: 52rem;
  margin-bottom: 0.75rem;
}

.ds-hero__value {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(226, 232, 240, 0.88);
  max-width: 52rem;
  margin-bottom: 0;
}

.ds-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.ds-metric {
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--ds-radius-sm);
  padding: 0.9rem 1rem;
}

.ds-metric__val {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.ds-metric__lbl {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(226, 232, 240, 0.72);
  margin-top: 0.25rem;
}

/* Win themes */
.ds-win-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: -0.5rem;
}

.ds-win-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1.25rem 1.35rem;
  height: 100%;
}

.ds-win-card__icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.ds-win-card__icon--blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--ds-blue);
}

.ds-win-card__icon--green {
  background: var(--ds-green-soft);
  color: var(--ds-green);
}

.ds-win-card__icon--amber {
  background: var(--ds-amber-soft);
  color: var(--ds-amber);
}

.ds-win-card__title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 0.4rem;
}

.ds-win-card__body {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ds-text-muted);
  margin: 0;
}

/* Split cards */
.ds-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.ds-split-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1.5rem 1.65rem;
  height: 100%;
}

.ds-split-card__label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ds-text-muted);
  margin-bottom: 0.35rem;
}

.ds-split-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 0.75rem;
}

.ds-split-card__summary {
  font-size: 0.92rem;
  line-height: 1.58;
  color: var(--ds-text-muted);
  margin-bottom: 0.85rem;
}

.ds-split-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ds-split-card__list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ds-text);
}

.ds-split-card__list li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--ds-green);
  font-size: 0.75rem;
  top: 0.2rem;
}

/* Pillar section header */
.ds-pillars-section__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 0.35rem;
}

.ds-pillars-section__lead {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ds-text-muted);
  max-width: 48rem;
  margin-bottom: 1.25rem;
}

/* Sticky pillar nav */
.ds-pillar-nav-wrap {
  position: sticky;
  top: var(--ds-nav-sticky-top);
  z-index: 20;
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1rem 1.15rem 1.1rem;
  margin-bottom: 1.25rem;
}

.ds-pillar-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.ds-pillar-nav__title {
  font-size: 1rem;
  font-weight: 800;
  color: #f8fafc;
  margin: 0;
}

.ds-pillar-nav__progress {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ds-green);
  white-space: nowrap;
}

.ds-pillar-nav__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ds-pillar-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--ds-border);
  background: var(--ds-surface-card);
  color: var(--ds-text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.ds-pillar-pill:hover {
  border-color: rgba(148, 163, 184, 0.4);
  color: #f8fafc;
  text-decoration: none;
}

.ds-pillar-pill.is-active {
  background: #f8fafc;
  border-color: #f8fafc;
  color: var(--ds-navy);
}

.ds-pillar-pill__num {
  font-weight: 800;
  opacity: 0.85;
}

.ds-pillar-pill i {
  font-size: 0.65rem;
}

/* Pillar cards */
.ds-pillars {
  scroll-margin-top: 8rem;
}

.ds-pillar-card {
  scroll-margin-top: 9rem;
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1.35rem 1.5rem 1.4rem;
  margin-bottom: 1rem;
}

.ds-pillar-card--shipped {
  border-left: 4px solid var(--ds-green);
}

.ds-pillar-card--in_progress {
  border-left: 4px solid var(--ds-amber);
}

.ds-pillar-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}

.ds-pillar-card__head-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.ds-pillar-card__chevron {
  display: none;
}

.ds-pillar-card__title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ds-pillar-card__num {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: var(--ds-slate);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.ds-pillar-card__title {
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #f8fafc;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.ds-pillar-card__title i {
  color: var(--ds-text-muted);
  font-size: 0.85rem;
}

.ds-pillar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  white-space: nowrap;
}

.ds-pillar-badge--shipped {
  background: var(--ds-green-soft);
  color: var(--ds-green);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.ds-pillar-badge--in_progress {
  background: var(--ds-amber-soft);
  color: var(--ds-amber);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.ds-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.ds-pillar-block h4 {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ds-text-muted);
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.ds-pillar-block h4 i {
  font-size: 0.7rem;
  opacity: 0.8;
}

.ds-pillar-block--why h4 {
  color: var(--ds-accent);
}

.ds-pillar-block p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.58;
  color: var(--ds-text);
}

.ds-pillar-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--ds-border);
}

.ds-pillar-evidence__title {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ds-text-muted);
  margin-bottom: 0.55rem;
}

.ds-evidence-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ds-evidence-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  background: var(--ds-surface-card);
  border: 1px solid var(--ds-border);
  border-radius: 8px;
  font-size: 0.72rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ds-text-muted);
}

.ds-evidence-chip i {
  color: var(--ds-green);
  font-size: 0.65rem;
}

.ds-pillar-quote {
  border-left: 3px solid var(--ds-accent);
  padding: 0.65rem 0 0.65rem 1rem;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  font-style: italic;
  color: #f8fafc;
}

/* Buyers */
.ds-buyers {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  padding: 1.35rem 1.5rem;
}

.ds-buyers h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.ds-buyers ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ds-text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Closing */
.ds-closing {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--ds-radius);
  background: linear-gradient(160deg, var(--ds-slate) 0%, var(--ds-bg) 100%);
  border: 1px solid var(--ds-border);
}

.ds-closing__icon {
  font-size: 2rem;
  color: var(--ds-blue);
  margin-bottom: 0.75rem;
}

.ds-closing h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.ds-closing p {
  max-width: 40rem;
  margin: 0 auto 1.25rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ds-text-muted) !important;
}

.ds-closing .btn-primary {
  background: var(--ds-accent);
  border-color: var(--ds-accent);
  font-weight: 700;
  padding: 0.65rem 1.5rem;
  border-radius: 10px;
}

.ds-closing .btn-primary:hover {
  background: #b91c1c;
  border-color: #b91c1c;
}

/* Technical index */
.ds-tech-table {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius);
  overflow: hidden;
}

.ds-tech-table table {
  margin: 0;
  color: var(--ds-text);
}

.ds-tech-table th {
  background: var(--ds-surface-card);
  border-color: var(--ds-border) !important;
  color: var(--ds-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ds-tech-table td {
  border-color: var(--ds-border) !important;
  font-size: 0.88rem;
}

.ds-tech-table code {
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

@media (max-width: 992px) {
  .ds-pillar-grid {
    grid-template-columns: 1fr;
  }

  .ds-pillar-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ds-hero {
    padding: 1.75rem 1.25rem;
  }

  .ds-pillar-nav__pills {
    max-height: 120px;
    overflow-y: auto;
  }

  .ds-pillar-pill span:not(.ds-pillar-pill__num) {
    display: none;
  }

  .js-portfolio-accordion-trigger {
    cursor: pointer;
  }

  .ds-pillar-card__chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    transition: transform 0.2s ease;
  }

  .js-portfolio-accordion-item.is-open .ds-pillar-card__chevron i {
    transform: rotate(180deg);
  }

  .js-portfolio-accordion-item:not(.is-open) .ds-pillar-card__head {
    margin-bottom: 0;
  }
}

@media (min-width: 769px) {
  .ds-pillar-card__chevron {
    display: none;
  }

  .js-portfolio-accordion-panel[hidden] {
    display: block !important;
  }

  .js-portfolio-accordion-trigger {
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ds-pillar-pill {
    transition: none;
  }
}

@media print {
  .ds-pillar-nav-wrap,
  .presentation-controls,
  .presentation-header {
    display: none !important;
  }

  .presentation-mode-overlay--data-security {
    background: #fff;
    color: #000;
  }

  .ds-pillar-card {
    page-break-inside: avoid;
    border: 1px solid #ccc;
  }
}