/* ============================================================
   defense.css
   ============================================================ */

/* ── Hero ── */
.def-hero {
  background: #ffffff;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding: 0 var(--container-pad) var(--space-3xl);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

/* Subtle dot grid on white */
.def-hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(55,62,72,0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Radial vignette — light version */
.def-hero__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 65% 45%, rgba(37,99,235,0.05) 0%, transparent 65%),
              radial-gradient(ellipse 50% 50% at 20% 75%, rgba(220,38,38,0.04) 0%, transparent 55%);
  pointer-events: none;
}

.def-hero__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  width: 100%;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.def-hero__label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.def-hero__label::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--border);
}

.def-hero__title {
  font-family: var(--font-display);
  font-size: clamp(5rem, 11vw, 9.5rem);
  line-height: 0.88;
  color: var(--text-navy);
  margin-bottom: var(--space-xl);
}
.def-hero__title-dim {
  color: rgba(4,6,22,0.18);
  display: block;
}

.def-hero__subtitle {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-lg);
}

.def-hero__lead {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: var(--space-xl);
}

.def-hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Right side: radar canvas */
.def-hero__viz {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) 0;
}
.def-terrain-wrap {
  position: relative;
  width: 480px;
  height: 360px;
  flex-shrink: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}
.def-terrain-canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.def-terrain-hud {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255,255,255,0.92);
  border-top: 1px solid var(--border);
  pointer-events: none;
}
.def-terrain-hud__item {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.def-terrain-hud__val {
  color: var(--text-primary);
  font-weight: 500;
}
.def-terrain-hud__val--alert {
  color: #dc2626;
}

/* Scroll indicator — dark on white */
.def-hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 2;
}
.def-hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(55,62,72,0.35));
  animation: scroll-drop 2s ease-in-out infinite;
}
@keyframes scroll-drop {
  0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
  50%       { transform: scaleY(1);   opacity: 1; }
}

/* ══════════════════════════════════════
   INTRO BAND
══════════════════════════════════════ */
.def-intro {
  background: var(--color-navy);
  padding: var(--space-3xl) var(--container-pad);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.def-intro__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
  align-items: start;
}
.def-intro__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
  border-left: 2px solid var(--biz-ice);
  padding-left: 16px;
}
.def-intro__text {
  font-family: var(--font-saira);
  font-weight: 700;
 font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.45;
}
.def-intro__text em {
  font-style: normal;
  color: #F5B027;
}

/* ══════════════════════════════════════
   THREE PILLARS (Sense-making, Real-time, Know-how)
══════════════════════════════════════ */
.def-pillars {
  background: #ffffff;
}

/* Pillar row — alternates layout */
.def-pillar {
  padding: var(--space-3xl) var(--container-pad);
  border-bottom: 1px solid var(--border);
}
.def-pillar__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.def-pillar--reverse .def-pillar__inner {
  direction: rtl;
}
.def-pillar--reverse .def-pillar__inner > * {
  direction: ltr;
}

/* Text side */
.def-pillar__num {
  font-family: var(--font-display);
  font-size: 7rem;
  line-height: 1;
  color: rgba(4,6,22,0.18);
  margin-bottom: -1.5rem;
  display: block;
}
.def-pillar__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.def-pillar__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.92;
  color: var(--text-navy);
  margin-bottom: var(--space-lg);
}
.def-pillar__headline {
  font-family: var(--font-saira);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.4;
}
.def-pillar__body {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-xl);
}
.def-pillar__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.def-pillar__tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-accent);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 5px 12px;
  background: var(--color-white);
}

/* Visual side */
.def-pillar__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #ffffff;
  aspect-ratio: 4/3;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray);
}

/* ── Sense-making visual: priority waterfall bars ── */
.viz-sensemaking {
  width: 100%;
  height: 100%;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  position: relative;
}
.viz-sensemaking__label {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-void);
}
.viz-bar {
  height: 10px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.09);
}
.viz-bar__fill {
  height: 100%;
  border-radius: 2px;
  animation: bar-fill 2.4s var(--ease-out) forwards;
  transform-origin: left;
  transform: scaleX(0);
}
@keyframes bar-fill {
  to { transform: scaleX(1); }
}
.viz-bar--p1 .viz-bar__fill { background: #dc2626; width: 92%; animation-delay: 0.1s; }
.viz-bar--p2 .viz-bar__fill { background: #ea580c; width: 78%; animation-delay: 0.25s; }
.viz-bar--p3 .viz-bar__fill { background: #ca8a04; width: 61%; animation-delay: 0.4s; }
.viz-bar--p4 .viz-bar__fill { background: #2563eb; width: 49%; animation-delay: 0.55s; }
.viz-bar--p5 .viz-bar__fill { background: #059669; width: 35%; animation-delay: 0.7s; }
.viz-bar--p6 .viz-bar__fill { background: rgba(255,255,255,0.38); width: 20%; animation-delay: 0.85s; }
.viz-bar__meta {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--color-void);
  letter-spacing: 0.06em;
}

/* ── Real-time visual: recognition grid ── */
.viz-realtime {
  width: 100%;
  height: 100%;
  padding: var(--space-xl);
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  align-content: center;
}
.viz-realtime__label {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.viz-cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.11);
  background: rgba(255,255,255,0.03);
  position: relative;
  overflow: hidden;
  animation: cell-appear 0.4s var(--ease-out) both;
}
@keyframes cell-appear {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}
.viz-cell--active {
  border-color: #2563eb;
  box-shadow: 0 0 12px rgba(37,99,235,0.3);
}
.viz-cell--alert {
  border-color: #dc2626;
  box-shadow: 0 0 12px rgba(220,38,38,0.35);
  animation: cell-appear 0.4s var(--ease-out) both, cell-pulse 1.4s ease-in-out infinite;
}
@keyframes cell-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(220,38,38,0.3); }
  50%       { box-shadow: 0 0 22px rgba(220,38,38,0.7); }
}
.viz-cell__dot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.viz-cell__dot::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.28);
}
.viz-cell--active  .viz-cell__dot::after { background: #2563eb; }
.viz-cell--alert   .viz-cell__dot::after { background: #dc2626; width: 8px; height: 8px; }
.viz-cell__tag {
  position: absolute;
  bottom: 3px; left: 3px;
  font-family: var(--font-mono);
  font-size: 0.42rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}
.viz-cell--active .viz-cell__tag  { color: rgba(37,99,235,0.8); }
.viz-cell--alert  .viz-cell__tag  { color: rgba(220,38,38,0.9); }

/* ── Know-how visual: uncertainty map ── */
.viz-knowhow {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.viz-knowhow canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.viz-knowhow__label {
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  pointer-events: none;
}

/* ══════════════════════════════════════
   METRICS STRIP
══════════════════════════════════════ */
.def-metrics {
  background: var(--color-navy);
  padding: var(--space-3xl) var(--container-pad);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.def-metrics__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.def-metric {
  background: var(--color-navy);
  padding: var(--space-xl) var(--space-xl);
  text-align: center;
  transition: background var(--duration-base);
}
.def-metric:hover { background: #0d0f1c; }
.def-metric__val {
  font-family: var(--font-display);
  font-size: 3rem;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 8px;
}
.def-metric__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--border);
}

/* ══════════════════════════════════════
   ADVANTAGE SECTION
══════════════════════════════════════ */
.def-advantage {
  background: var(--color-white);
  padding: var(--space-3xl) var(--container-pad);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.def-advantage__inner {
  max-width: var(--container-max);
  margin-inline: auto;
}
.def-advantage__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
  align-items: end;
}
.def-advantage__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}
.def-advantage__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 6vw, 5rem);
  color: var(--text-navy);
  line-height: 1.1;
}
.def-advantage__body {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.9;
  align-self: end;
}
.def-advantage__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.def-adv-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-base), box-shadow var(--duration-base), border-color var(--duration-base);
}
.def-adv-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-void);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.def-adv-card:hover { transform: translateY(-4px); box-shadow: 0 20px 48px rgba(0,0,0,0.08); border-color: var(--color-charcoal); }
.def-adv-card:hover::before { transform: scaleX(1); }
.def-adv-card__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}
.def-adv-card__title {
  font-family: var(--font-saira);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.def-adv-card__body {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ══════════════════════════════════════
   CTA
══════════════════════════════════════ */
.def-cta {
  background: var(--color-navy);
  padding: var(--space-3xl) var(--container-pad);
  position: relative;
  overflow: hidden;
}
.def-cta::before {
  content: 'CONTACT';
  position: absolute;
  right: 2%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(8rem, 18vw, 16rem);
  color: rgba(255,255,255,0.03);
  white-space: nowrap;
  pointer-events: none;
  line-height: 1;
}
.def-cta__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2xl);
  position: relative;
  z-index: 1;
}
.def-cta__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  color: #ffffff;
  line-height: 0.9;
}
.def-cta__sub {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-md);
  max-width: 460px;
  line-height: 1.85;
}
.def-cta__actions {
  display: flex;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* ══════════════════════════════════════
   VERTICALS
══════════════════════════════════════ */
.def-verticals {
  background: var(--color-white);
  padding: var(--space-3xl) var(--container-pad);
  position: relative;
  overflow: hidden;
}

/* Subtle noise texture overlay */
.def-verticals::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.def-verticals__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.def-verticals__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: end;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.def-verticals__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.def-verticals__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 0.92;
  color: var(--text-navy);
}
.def-verticals__title em {
  font-style: normal;
  color: var(--text-navy);
}

.def-verticals__intro {
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--text-primary);
  align-self: end;
}

/* Vertical cards grid */
.def-verticals__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.def-vert-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-xl) var(--space-xl);
  position: relative;
  overflow: hidden;
  transition: background var(--duration-base), border-color var(--duration-base), transform var(--duration-base);
}
.def-vert-card:hover {
  background: rgba(255,255,255,0.055);
  border-color:var(--color-blue);
  transform: translateY(-3px);
}

/* Accent bar top */
.def-vert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: ;
  transition: opacity var(--duration-base);
}
.def-vert-card:hover::before {
  opacity: 1;
}

/* Card index watermark */
.def-vert-card__index {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-xl);
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--color-blue);
  pointer-events: none;
  user-select: none;
}

.def-vert-card__icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-lg);
  color:var(--text-primary);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.def-vert-card__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.def-vert-card__title {
  font-family: var(--font-saira);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.def-vert-card__body {
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

/* Sub-capabilities tags */
.def-vert-card__caps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.def-vert-cap {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid  var(--border);
  color: var(--text-accent);
  background: var(--color-white);
  transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
}
.def-vert-card:hover .def-vert-cap {
  color: var(--text-accent);
  border-color:  var(--border);
  background: var(--color-white);
}

/* Per-card accent colours */
.def-vert-card--bf  { --vert-accent: #D1D5DC; }
.def-vert-card--nv  { --vert-accent: #D1D5DC; }
.def-vert-card--pd  { --vert-accent: #D1D5DC; }
.def-vert-card--mu  { --vert-accent: #D1D5DC; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */

/* ── Tablet: ≤ 1024px ── */
@media (max-width: 1024px) {
  .def-hero__inner      { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .def-hero__viz        { display: flex; width: 100%; max-width: 560px; margin: 0 auto; }
  .def-hero__text       { max-width: 100%; }
  .def-terrain-wrap     { width: 100%; height: auto; aspect-ratio: 4/3; }
  .def-terrain-wrap canvas { width: 100% !important; height: auto !important; }

  .def-intro__inner     { grid-template-columns: 1fr; gap: var(--space-xl); }

  .def-pillar__inner    { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .def-pillar--reverse .def-pillar__inner { direction: ltr; }
  .def-pillar__visual   { min-height: 260px; }

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

  .def-advantage__header { grid-template-columns: 1fr; gap: var(--space-xl); }
  .def-advantage__grid  { grid-template-columns: repeat(2, 1fr); }

  .def-verticals__header { grid-template-columns: 1fr; gap: var(--space-xl); }
  .def-verticals__grid  { grid-template-columns: repeat(2, 1fr); }

  .def-cta__inner       { flex-direction: column; align-items: flex-start; gap: var(--space-xl); }
  .def-cta__actions     { flex-direction: row; flex-wrap: wrap; }
}

/* ── Mobile: ≤ 768px ── */
@media (max-width: 768px) {
  /* Hero */
  .def-hero {
    min-height: auto;
    padding: var(--space-3xl) var(--container-pad) var(--space-2xl);
  }
  .def-hero__title { font-size: clamp(2.8rem, 12vw, 5rem); }
  .def-hero__subtitle { font-size: 0.65rem; }
  .def-hero__lead { font-size: 0.85rem; }
  .def-hero__cta { flex-direction: column; gap: var(--space-sm); }
  .def-hero__cta .btn { width: 100%; text-align: center; }

  /* Intro */
  .def-intro__tag { font-size: 0.7rem; }
  .def-intro__text { font-size: 1rem; }

  /* Pillars */
  .def-pillar { padding: var(--space-2xl) var(--container-pad); }
  .def-pillar__num { font-size: 4rem; }
  .def-pillar__title { font-size: clamp(1.8rem, 8vw, 2.8rem); }
  .def-pillar__body { font-size: 0.85rem; }
  .def-pillar__tags { gap: var(--space-xs); }
  .def-pillar__visual { min-height: 200px; border-radius: var(--radius-md); }

  /* Canvas wraps */
  .def-canvas-wrap canvas { width: 100%; height: auto; }
  .viz-realtime { grid-template-columns: repeat(4, 1fr); gap: 4px; padding: var(--space-md); }

  /* Metrics */
  .def-metrics__inner { grid-template-columns: repeat(2, 1fr); }
  .def-metric__val { font-size: 2.2rem; }
  .def-metric { padding: var(--space-lg); }

  /* Advantage */
  .def-advantage__grid { grid-template-columns: 1fr; }
  .def-advantage__title { font-size: clamp(1.6rem, 7vw, 2.4rem); }

  /* Verticals */
  .def-verticals__grid { grid-template-columns: 1fr; }
  .def-verticals__title { font-size: clamp(1.6rem, 7vw, 2.4rem); }

  /* CTA */
  .def-cta__inner { padding: var(--space-2xl) var(--container-pad); }
  .def-cta__title { font-size: clamp(2rem, 9vw, 3.5rem); }
  .def-cta__actions { flex-direction: column; width: 100%; }
  .def-cta__actions .btn { width: 100%; text-align: center; }
}

/* ── Small mobile: ≤ 480px ── */
@media (max-width: 480px) {
  .def-hero__title { font-size: clamp(2.4rem, 13vw, 3.5rem); }
  .def-metrics__inner { grid-template-columns: 1fr 1fr; }
  .def-metric__val { font-size: 1.8rem; }
  .viz-realtime { grid-template-columns: repeat(3, 1fr); }
  .def-pillar__visual { min-height: 160px; }
  .def-advantage__grid { grid-template-columns: 1fr; }
}