/* ================================================================
   EXTOLEM — THE EXTOLEM SYSTEM SECTION
   File: /assets/css/system.css
   Depends on: style.css (CSS variables)
   ================================================================ */


/* ================================================================
   1. SECTION SHELL
   ================================================================ */

.ex-system {
  position: relative;
  width: 100%;
  padding: 130px 40px 140px;
  background-color: var(--ex-bg);
  overflow: hidden;
  isolation: isolate;
}

/* ── Background atmosphere ───────────────────────────────────── */

/* Radial dot grid */
.ex-system-dots {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(
    circle,
    rgba(255,255,255,0.025) 1px,
    transparent 1px
  );
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 50%, black 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 50%, black 0%, transparent 78%);
}

/* Center mint glow — behind cards */
.ex-system-glow-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(25,245,195,0.055) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
  animation: ex-sys-breathe 10s ease-in-out infinite alternate;
}

/* Corner blue accent */
.ex-system-glow-blue {
  position: absolute;
  bottom: -100px;
  right: -80px;
  width: 500px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(74,125,255,0.06) 0%, transparent 65%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

/* Purple top-left */
.ex-system-glow-purple {
  position: absolute;
  top: -80px;
  left: -60px;
  width: 460px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(118,87,255,0.05) 0%, transparent 65%);
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

@keyframes ex-sys-breathe {
  from { transform: translate(-50%, -50%) scale(1);    opacity: 0.8; }
  to   { transform: translate(-50%, -50%) scale(1.12); opacity: 1; }
}


/* ================================================================
   2. INNER CONTAINER
   ================================================================ */

.ex-system-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}


/* ================================================================
   3. SECTION HEADER
   ================================================================ */

.ex-system-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 80px;
}

/* Eyebrow */
.ex-system-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ex-mint);
  background: var(--ex-mint-dim);
  border: 1px solid var(--ex-border-mint);
  padding: 6px 16px 6px 12px;
  border-radius: var(--ex-r-full);
  margin-bottom: 28px;
}

.ex-system-eyebrow-icon {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.ex-system-eyebrow-icon span {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ex-mint);
  box-shadow: 0 0 6px var(--ex-mint);
}

.ex-system-eyebrow-icon span:nth-child(1) { animation: ex-sys-dot 2.4s ease infinite 0s; }
.ex-system-eyebrow-icon span:nth-child(2) { animation: ex-sys-dot 2.4s ease infinite 0.3s; }
.ex-system-eyebrow-icon span:nth-child(3) { animation: ex-sys-dot 2.4s ease infinite 0.6s; }

@keyframes ex-sys-dot {
  0%, 70%, 100% { opacity: 0.35; transform: scale(0.9); }
  35%            { opacity: 1;    transform: scale(1.2); box-shadow: 0 0 10px var(--ex-mint); }
}

/* Headline */
.ex-system-h2 {
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 800;
  line-height: 1.13;
  letter-spacing: -0.03em;
  color: var(--ex-text);
  margin-bottom: 22px;
}

.ex-system-h2 .ex-grad-word {
  background: var(--ex-grad-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Sub */
.ex-system-sub {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.78;
  color: var(--ex-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.ex-system-sub strong {
  color: var(--ex-text);
  font-weight: 600;
}


/* ================================================================
   4. SYSTEM FLOW — CONNECTOR WRAPPER
   ================================================================ */

.ex-system-flow {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 0;
}

/* SVG connector lines layer — sits between cards */
.ex-system-connectors {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}

/* The animated dash path */
.ex-connector-path {
  fill: none;
  stroke: var(--ex-mint);
  stroke-width: 1.5;
  stroke-dasharray: 6 8;
  stroke-linecap: round;
  opacity: 0;
  animation: ex-connector-draw 1s var(--ex-ease-out) forwards;
}

.ex-connector-path--1 { animation-delay: 0.8s; }
.ex-connector-path--2 { animation-delay: 1.0s; }
.ex-connector-path--3 { animation-delay: 1.2s; }

@keyframes ex-connector-draw {
  from { opacity: 0; }
  to   { opacity: 0.22; }
}

/* Animated flow dot travelling the path */
.ex-flow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ex-mint);
  box-shadow: 0 0 10px var(--ex-mint), 0 0 20px rgba(25,245,195,0.4);
  position: absolute;
}


/* ================================================================
   5. SYSTEM CARD
   ================================================================ */

.ex-sys-card {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ex-panel);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-r-lg);
  padding: 36px 28px 30px;
  overflow: hidden;
  isolation: isolate;
  cursor: default;
  transition:
    transform 0.35s var(--ex-ease),
    border-color 0.35s var(--ex-ease),
    background 0.35s var(--ex-ease),
    box-shadow 0.35s var(--ex-ease);
  z-index: 2;

  /* Cards sit slightly staggered */
}

/* Cards are separated by connector spacing */
.ex-sys-card + .ex-sys-card {
  margin-left: -1px; /* overlap borders for seamless connector look */
}

/* Top accent gradient line */
.ex-sys-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0.6;
  transition: opacity 0.35s var(--ex-ease);
}

/* Card 1 — Mint */
.ex-sys-card--1::before { background: linear-gradient(90deg, transparent, var(--ex-mint) 50%, transparent); }
/* Card 2 — Blue */
.ex-sys-card--2::before { background: linear-gradient(90deg, transparent, var(--ex-blue) 50%, transparent); }
/* Card 3 — Purple */
.ex-sys-card--3::before { background: linear-gradient(90deg, transparent, var(--ex-purple) 50%, transparent); }
/* Card 4 — Gold */
.ex-sys-card--4::before { background: linear-gradient(90deg, transparent, var(--ex-gold) 50%, transparent); }

.ex-sys-card:hover::before { opacity: 1; }

/* Inner bg glow on hover */
.ex-sys-card::after {
  content: '';
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 240px; height: 200px;
  opacity: 0;
  transition: opacity 0.45s var(--ex-ease);
  pointer-events: none;
  z-index: 0;
}

.ex-sys-card--1::after { background: radial-gradient(ellipse, rgba(25,245,195,0.09) 0%, transparent 70%); }
.ex-sys-card--2::after { background: radial-gradient(ellipse, rgba(74,125,255,0.09) 0%, transparent 70%); }
.ex-sys-card--3::after { background: radial-gradient(ellipse, rgba(118,87,255,0.09) 0%, transparent 70%); }
.ex-sys-card--4::after { background: radial-gradient(ellipse, rgba(255,209,102,0.07) 0%, transparent 70%); }

.ex-sys-card:hover::after { opacity: 1; }

.ex-sys-card:hover {
  transform: translateY(-8px);
  background: var(--ex-panel-strong);
  z-index: 10;
}

.ex-sys-card--1:hover { border-color: rgba(25,245,195,0.3);   box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 48px rgba(25,245,195,0.1); }
.ex-sys-card--2:hover { border-color: rgba(74,125,255,0.3);   box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 48px rgba(74,125,255,0.1); }
.ex-sys-card--3:hover { border-color: rgba(118,87,255,0.3);   box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 48px rgba(118,87,255,0.1); }
.ex-sys-card--4:hover { border-color: rgba(255,209,102,0.25); box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 48px rgba(255,209,102,0.08); }

/* Keep all children above pseudo-elements */
.ex-sys-card > * { position: relative; z-index: 1; }


/* ── Step number ─────────────────────────────────────────────── */

.ex-sys-step {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ex-sys-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 800;
  flex-shrink: 0;
}

.ex-sys-card--1 .ex-sys-step     { color: var(--ex-mint); }
.ex-sys-card--2 .ex-sys-step     { color: var(--ex-blue); }
.ex-sys-card--3 .ex-sys-step     { color: var(--ex-purple); }
.ex-sys-card--4 .ex-sys-step     { color: var(--ex-gold); }

.ex-sys-card--1 .ex-sys-step-num { background: var(--ex-mint-dim);   border: 1px solid rgba(25,245,195,0.3); color: var(--ex-mint); }
.ex-sys-card--2 .ex-sys-step-num { background: var(--ex-blue-dim);   border: 1px solid rgba(74,125,255,0.3); color: var(--ex-blue); }
.ex-sys-card--3 .ex-sys-step-num { background: var(--ex-purple-dim); border: 1px solid rgba(118,87,255,0.3); color: var(--ex-purple); }
.ex-sys-card--4 .ex-sys-step-num { background: var(--ex-gold-dim);   border: 1px solid rgba(255,209,102,0.3); color: var(--ex-gold); }


/* ── Icon block ──────────────────────────────────────────────── */

.ex-sys-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--ex-r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  flex-shrink: 0;
  transition: transform 0.35s var(--ex-ease-spring), box-shadow 0.35s var(--ex-ease);
}

.ex-sys-card--1 .ex-sys-icon { background: var(--ex-mint-dim);   border: 1px solid rgba(25,245,195,0.22); }
.ex-sys-card--2 .ex-sys-icon { background: var(--ex-blue-dim);   border: 1px solid rgba(74,125,255,0.22); }
.ex-sys-card--3 .ex-sys-icon { background: var(--ex-purple-dim); border: 1px solid rgba(118,87,255,0.22); }
.ex-sys-card--4 .ex-sys-icon { background: var(--ex-gold-dim);   border: 1px solid rgba(255,209,102,0.22); }

.ex-sys-card--1:hover .ex-sys-icon { transform: scale(1.1) rotate(-4deg); box-shadow: 0 0 24px rgba(25,245,195,0.3); }
.ex-sys-card--2:hover .ex-sys-icon { transform: scale(1.1) rotate(-4deg); box-shadow: 0 0 24px rgba(74,125,255,0.3); }
.ex-sys-card--3:hover .ex-sys-icon { transform: scale(1.1) rotate(-4deg); box-shadow: 0 0 24px rgba(118,87,255,0.3); }
.ex-sys-card--4:hover .ex-sys-icon { transform: scale(1.1) rotate(-4deg); box-shadow: 0 0 24px rgba(255,209,102,0.25); }


/* ── Card title ──────────────────────────────────────────────── */

.ex-sys-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ex-text);
  margin-bottom: 12px;
}


/* ── Card body ───────────────────────────────────────────────── */

.ex-sys-body {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ex-text-muted);
  margin-bottom: 24px;
  flex: 1;
}


/* ── Feature pill list ───────────────────────────────────────── */

.ex-sys-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
}

.ex-sys-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: var(--ex-r-full);
  letter-spacing: 0.01em;
  background: var(--ex-panel-strong);
  border: 1px solid var(--ex-border);
  color: var(--ex-text-muted);
  transition: var(--ex-t);
}

.ex-sys-card--1:hover .ex-sys-pill { border-color: rgba(25,245,195,0.2);   color: var(--ex-mint); background: var(--ex-mint-dim); }
.ex-sys-card--2:hover .ex-sys-pill { border-color: rgba(74,125,255,0.2);   color: var(--ex-blue); background: var(--ex-blue-dim); }
.ex-sys-card--3:hover .ex-sys-pill { border-color: rgba(118,87,255,0.2);   color: var(--ex-purple); background: var(--ex-purple-dim); }
.ex-sys-card--4:hover .ex-sys-pill { border-color: rgba(255,209,102,0.2);  color: var(--ex-gold); background: var(--ex-gold-dim); }


/* ── Card CTA link ───────────────────────────────────────────── */

.ex-sys-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.83rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: auto;
  padding: 10px 18px;
  border-radius: var(--ex-r-full);
  border: 1px solid var(--ex-border);
  color: var(--ex-text-muted);
  background: var(--ex-panel);
  transition: var(--ex-t);
}

.ex-sys-link svg {
  transition: transform 0.25s var(--ex-ease-spring);
  flex-shrink: 0;
}

.ex-sys-link:hover svg { transform: translateX(4px); }

.ex-sys-card--1 .ex-sys-link:hover { color: var(--ex-mint);   border-color: rgba(25,245,195,0.3);   background: var(--ex-mint-dim); }
.ex-sys-card--2 .ex-sys-link:hover { color: var(--ex-blue);   border-color: rgba(74,125,255,0.3);   background: var(--ex-blue-dim); }
.ex-sys-card--3 .ex-sys-link:hover { color: var(--ex-purple); border-color: rgba(118,87,255,0.3);   background: var(--ex-purple-dim); }
.ex-sys-card--4 .ex-sys-link:hover { color: var(--ex-gold);   border-color: rgba(255,209,102,0.3);  background: var(--ex-gold-dim); }


/* ================================================================
   6. CONNECTOR ARROWS — between cards (desktop only)
   ================================================================ */

.ex-sys-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  position: relative;
  z-index: 5;
  pointer-events: none;
  margin: 0 -1px; /* Pull tightly between cards */
}

.ex-sys-arrow-line {
  position: relative;
  width: 100%;
  height: 2px;
}

/* Dashed track */
.ex-sys-arrow-line::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  top: 0.5px;
  background: repeating-linear-gradient(
    90deg,
    var(--ex-border-mint) 0px,
    var(--ex-border-mint) 4px,
    transparent 4px,
    transparent 10px
  );
  opacity: 0.5;
}

/* Animated travelling dot */
.ex-sys-arrow-dot {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ex-mint);
  box-shadow: 0 0 8px var(--ex-mint), 0 0 16px rgba(25,245,195,0.4);
  animation: ex-flow-travel 2.4s ease-in-out infinite;
}

.ex-sys-arrow:nth-of-type(2) .ex-sys-arrow-dot { animation-delay: 0.8s; }
.ex-sys-arrow:nth-of-type(3) .ex-sys-arrow-dot { animation-delay: 1.6s; }

@keyframes ex-flow-travel {
  0%   { left: -4px;        opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: calc(100% - 4px); opacity: 0; }
}

/* Arrowhead */
.ex-sys-arrow-head {
  position: absolute;
  right: -1px; top: 50%;
  transform: translateY(-50%);
  width: 0; height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid rgba(25,245,195,0.4);
}


/* ================================================================
   7. BOTTOM PROOF STRIP
   ================================================================ */

.ex-system-proof {
  margin-top: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--ex-panel);
  border: 1px solid var(--ex-border);
  border-radius: var(--ex-r-xl);
  padding: 32px 48px;
  position: relative;
  overflow: hidden;
}

/* Top accent line */
.ex-system-proof::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ex-mint-glow), transparent);
}

.ex-system-proof-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  text-align: center;
  padding: 0 24px;
}

.ex-system-proof-stat + .ex-system-proof-stat {
  border-left: 1px solid var(--ex-border);
}

.ex-proof-num {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ex-text);
}

.ex-proof-num .ex-proof-unit {
  font-size: 70%;
  color: var(--ex-mint);
}

.ex-proof-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ex-text-muted);
  max-width: 160px;
  line-height: 1.45;
}

/* CTA inside proof strip */
.ex-system-proof-cta {
  flex-shrink: 0;
  margin-left: 40px;
  padding-left: 40px;
  border-left: 1px solid var(--ex-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.ex-proof-cta-label {
  font-size: 0.88rem;
  color: var(--ex-text-muted);
  font-weight: 500;
  max-width: 200px;
  line-height: 1.5;
}

.ex-proof-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ex-grad-mint);
  color: #05080D;
  font-family: var(--ex-font);
  font-size: 0.875rem;
  font-weight: 800;
  padding: 12px 24px;
  border-radius: var(--ex-r-full);
  text-decoration: none;
  transition:
    transform 0.25s var(--ex-ease-spring),
    box-shadow 0.28s var(--ex-ease);
  box-shadow: 0 4px 18px rgba(25,245,195,0.28);
  white-space: nowrap;
}

.ex-proof-cta-btn:hover {
  color: #05080D;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(25,245,195,0.4);
}


/* ================================================================
   8. SCROLL REVEAL
   ================================================================ */

/* Header */
.ex-system-header .ex-system-eyebrow,
.ex-system-header .ex-system-h2,
.ex-system-header .ex-system-sub {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s var(--ex-ease-out), transform 0.65s var(--ex-ease-out);
}
.ex-system-header .ex-system-eyebrow { transition-delay: 0s; }
.ex-system-header .ex-system-h2      { transition-delay: 0.1s; }
.ex-system-header .ex-system-sub     { transition-delay: 0.2s; }

.ex-system-header.is-visible .ex-system-eyebrow,
.ex-system-header.is-visible .ex-system-h2,
.ex-system-header.is-visible .ex-system-sub {
  opacity: 1;
  transform: translateY(0);
}

/* Cards staggered */
.ex-sys-card {
  opacity: 0;
  transform: translateY(32px) scale(0.97);
}

.ex-sys-card {
  transition:
    opacity 0.65s var(--ex-ease-out),
    transform 0.65s var(--ex-ease-out),
    border-color 0.35s var(--ex-ease),
    background 0.35s var(--ex-ease),
    box-shadow 0.35s var(--ex-ease);
}

.ex-sys-card:nth-child(1) { transition-delay: 0.05s; }
.ex-sys-card:nth-child(3) { transition-delay: 0.18s; } /* skip arrows */
.ex-sys-card:nth-child(5) { transition-delay: 0.31s; }
.ex-sys-card:nth-child(7) { transition-delay: 0.44s; }

.ex-system-flow.is-visible .ex-sys-card {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Arrows fade in after cards */
.ex-sys-arrow {
  opacity: 0;
  transition: opacity 0.5s var(--ex-ease-out);
}
.ex-sys-arrow:nth-of-type(2) { transition-delay: 0.55s; }
.ex-sys-arrow:nth-of-type(4) { transition-delay: 0.65s; }
.ex-sys-arrow:nth-of-type(6) { transition-delay: 0.75s; }

.ex-system-flow.is-visible .ex-sys-arrow {
  opacity: 1;
}

/* Proof strip */
.ex-system-proof {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ex-ease-out) 0.35s, transform 0.65s var(--ex-ease-out) 0.35s;
}
.ex-system-proof.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ================================================================
   9. RESPONSIVE
   ================================================================ */

/* Laptop — tighter spacing */
@media (max-width: 1200px) {
  .ex-system { padding: 110px 28px 120px; }
  .ex-sys-card { padding: 28px 22px 24px; }
  .ex-sys-arrow { width: 28px; }
  .ex-system-proof { padding: 28px 32px; }
  .ex-system-proof-cta { margin-left: 24px; padding-left: 24px; }
}

/* Tablet — 2×2 grid, hide arrows */
@media (max-width: 900px) {
  .ex-system { padding: 90px 24px 100px; }

  .ex-system-flow {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  /* Hide connector arrows — doesn't make sense in grid */
  .ex-sys-arrow { display: none; }

  /* Remove margin fixes */
  .ex-sys-card + .ex-sys-card { margin-left: 0; }

  /* Cards full reset for grid */
  .ex-sys-card { transform: translateY(24px) scale(0.98); }

  .ex-system-proof {
    flex-wrap: wrap;
    gap: 24px;
    padding: 28px 24px;
  }

  .ex-system-proof-stat { flex: 1 1 calc(50% - 24px); }
  .ex-system-proof-stat + .ex-system-proof-stat { border-left: none; }

  /* Alternate border-left for 2-col proof grid */
  .ex-system-proof-stat:nth-child(2) { border-left: 1px solid var(--ex-border); }

  .ex-system-proof-cta {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--ex-border);
    padding-top: 24px;
    width: 100%;
  }
}

/* Mobile — single column */
@media (max-width: 560px) {
  .ex-system { padding: 80px 20px 90px; }

  .ex-system-flow {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ex-system-header { margin-bottom: 56px; }

  .ex-system-proof-stat { flex: 1 1 100%; }
  .ex-system-proof-stat:nth-child(2) { border-left: none; border-top: 1px solid var(--ex-border); padding-top: 20px; }
  .ex-system-proof-stat:nth-child(3) { border-top: 1px solid var(--ex-border); padding-top: 20px; }

  .ex-proof-cta-btn { width: 100%; justify-content: center; }
}


/* ================================================================
   10. REDUCED MOTION
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
  .ex-system-glow-center { animation: none !important; }
  .ex-sys-arrow-dot      { animation: none !important; }

  .ex-system-eyebrow-icon span { animation: none !important; opacity: 1 !important; }

  .ex-system-header .ex-system-eyebrow,
  .ex-system-header .ex-system-h2,
  .ex-system-header .ex-system-sub,
  .ex-sys-card,
  .ex-sys-arrow,
  .ex-system-proof {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .ex-sys-card:hover { transform: none !important; }
  .ex-sys-card:hover .ex-sys-icon { transform: none !important; }
}