/* ==========================================================================
   v7 · Overview chapter — LIGHT edition
   ========================================================================== */

.ov-hero {
  display: grid;
  grid-template-columns: minmax(380px, 1fr) 1.1fr;
  gap: 64px; align-items: center;
  padding: 60px 0 70px;
  border-bottom: 1px solid var(--hair-2);
  margin-bottom: 60px;
  position: relative;
}
@media (max-width: 1100px) {
  .ov-hero { grid-template-columns: 1fr; gap: 40px; }
}
.ov-hero::after {
  content: ""; position: absolute; bottom: -1px; left: 0; width: 180px; height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--magenta));
}

.ov-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--magenta-2); letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 18px;
}
.ov-hero-eyebrow::before {
  content: ""; width: 28px; height: 2px; background: var(--magenta);
}
.ov-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(44px, 6.2vw, 72px); font-weight: 400; line-height: 1.06;
  letter-spacing: -0.024em; color: var(--ink-1);
  margin: 0 0 48px;
  text-wrap: balance;
}
.ov-hero-title em { font-style: italic; color: var(--ink-2); }
.ov-hero-title .accent {
  font-style: italic;
  background: linear-gradient(90deg, var(--violet) 0%, var(--magenta) 60%, var(--coral) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% 100%;
  animation: shimmer 10s linear infinite;
}
.ov-hero-hook {
  font-size: 17.5px; line-height: 1.62; color: var(--ink-2);
  max-width: 560px; margin: 0 0 30px;
}
.ov-hero-hook strong { color: var(--ink-1); font-weight: 600; }
.ov-hero-cta {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 40px;
}
.ov-cta-btn { padding: 12px 22px; font-size: 14px; }
.ov-cta-ghost {
  font: inherit; font-size: 13px; font-weight: 500;
  color: var(--ink-3); background: none; border: none; cursor: pointer;
  border-bottom: 1px solid var(--hair-2);
  padding: 4px 2px;
  transition: color 150ms, border-color 150ms;
}
.ov-cta-ghost:hover { color: var(--ink-1); border-color: var(--ink-3); }
.ov-hero-stats {
  display: flex; gap: 48px;
  padding-top: 26px; border-top: 1px dashed var(--hair-2);
}
.ov-stat .k {
  font-family: var(--font-serif); font-size: clamp(30px, 3.2vw, 42px); font-weight: 400;
  color: var(--ink-1); letter-spacing: -0.02em; line-height: 1;
}
.ov-stat .v {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  color: var(--ink-3); letter-spacing: 0.15em; text-transform: uppercase;
  margin-top: 4px;
}

/* ===== LivingLoop ======================================================= */
.ov-loop-wrap {
  position: relative; width: 100%; aspect-ratio: 720 / 520;
  background: radial-gradient(circle at 50% 50%, rgba(251,248,241,0.9), transparent 70%);
  border-radius: 16px;
}
.ov-loop { width: 100%; height: 100%; display: block; }
.ov-loop-node { cursor: pointer; }
.ov-loop-node:hover text { font-weight: 800; }

/* ===== Sections ========================================================= */
.ov-section-head { margin-bottom: 36px; max-width: 820px; }
.ov-section-head.ov-sh-tight { margin-bottom: 24px; }
.ov-kicker {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; color: var(--violet); text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 10px;
}
.ov-kicker::before { content: ""; width: 20px; height: 2px; background: var(--violet); }
.ov-h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px); font-weight: 400; line-height: 1.05;
  letter-spacing: -0.022em; color: var(--ink-1);
  margin: 0 0 16px;
  text-wrap: balance;
}
.ov-h2 em {
  font-style: italic;
  background: linear-gradient(90deg, var(--violet), var(--magenta));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ov-lede {
  font-size: 16px; line-height: 1.6; color: var(--ink-2);
  margin: 0; max-width: 680px;
}
.ov-lede em { color: var(--ink-1); font-style: italic; }

/* ===== Outcomes ========================================================= */
.ov-outcomes {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 1px solid var(--hair-2);
  border-left: 1px solid var(--hair-2);
  background: var(--panel);
  border-radius: 2px;
}
.ov-outcome {
  display: flex; flex-direction: column;
  padding: 28px 26px 30px;
  border-right: 1px solid var(--hair-2);
  border-bottom: 1px solid var(--hair-2);
  transition: background 200ms;
  position: relative;
  min-height: 0;
}
.ov-outcome::before {
  content: ""; position: absolute; left: 0; top: 0; width: 0; height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--magenta));
  transition: width 260ms var(--ease-out);
}
.ov-outcome:hover { background: var(--panel-hi); }
.ov-outcome:hover::before { width: 100%; }
.ov-outcome-icon {
  font-size: 24px; color: var(--magenta);
  margin-bottom: 12px; font-weight: 400;
}
.ov-outcome-t {
  font-family: var(--font-serif); font-size: 24px;
  font-weight: 400; letter-spacing: -0.012em;
  color: var(--ink-1); line-height: 1.2;
  margin-bottom: 8px;
}
.ov-outcome-d {
  font-size: 13.5px; line-height: 1.6; color: var(--ink-3);
}

/* ===== Curriculum ====================================================== */
.ov-curriculum {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.ov-course {
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--hair-2);
  border-radius: 14px;
  padding: 18px 18px 16px;
  cursor: pointer;
  font: inherit; color: inherit;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 200ms var(--ease-out), border-color 200ms, box-shadow 200ms, background 200ms;
  position: relative; overflow: hidden;
}
.ov-course::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--hue, var(--lime));
  opacity: 0.5;
  transition: width 200ms;
}
.ov-course:hover {
  transform: translateY(-3px);
  border-color: var(--hue, var(--lime));
  background: var(--panel-hi);
  box-shadow: 0 14px 34px rgba(20,18,22,0.08);
}
.ov-course:hover::before { width: 5px; opacity: 1; }
.ov-course-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 2px;
}
.ov-course-n {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--ink-4); letter-spacing: 0.1em;
}
.ov-course-dot {
  width: 9px; height: 9px; border-radius: 50%;
  box-shadow: 0 0 12px currentColor;
}
.ov-course-title {
  font-family: var(--font-serif); font-size: 28px;
  font-weight: 400; letter-spacing: -0.018em; line-height: 1;
  color: var(--ink-1);
}
.ov-course-tag {
  font-size: 12.5px; color: var(--ink-3); font-style: italic;
  line-height: 1.3;
}
.ov-course-blurb {
  font-size: 13px; color: var(--ink-2); line-height: 1.55;
  margin-top: 4px; flex: 1;
}
.ov-course-cta {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 600;
  color: var(--hue-ink, var(--hue, var(--violet))); letter-spacing: 0.08em; text-transform: uppercase;
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--hair);
  transition: opacity 200ms, transform 200ms;
}
.ov-course:hover .ov-course-cta { transform: translateX(2px); }

/* ===== Tools =========================================================== */
.ov-tools {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--hair-2);
  border: 1px solid var(--hair-2);
  border-radius: 2px;
  overflow: hidden;
}
.ov-tool {
  background: var(--panel);
  padding: 18px 20px;
  transition: background 200ms;
}
.ov-tool:hover { background: var(--panel-hi); }
.ov-tool-n {
  font-family: var(--font-mono); font-size: 13.5px; font-weight: 600;
  color: var(--ink-1); letter-spacing: -0.005em;
}
.ov-tool-r {
  font-size: 11.5px; color: var(--ink-3); margin-top: 4px;
  font-style: italic;
}

/* ===== CTA band ======================================================== */
.ov-cta-band {
  margin: 80px 0 20px;
  padding: 52px 48px;
  background: linear-gradient(135deg, rgba(107,207,63,0.08), rgba(91,62,232,0.06), rgba(232,49,143,0.08));
  border: 1px solid var(--hair-2);
  border-radius: 20px;
  position: relative; overflow: hidden;
}
.ov-cta-band::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--violet), var(--magenta));
}
.ov-cta-band::after {
  content: ""; position: absolute; top: -140px; right: -140px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(91,62,232,0.14), transparent 70%);
  pointer-events: none;
}
.ov-cta-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--violet); letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 14px;
}
.ov-cta-title {
  font-family: var(--font-serif); font-size: 42px;
  font-weight: 400; letter-spacing: -0.018em; line-height: 1.1;
  color: var(--ink-1); margin-bottom: 12px; max-width: 760px;
}
.ov-cta-sub {
  font-size: 16px; line-height: 1.62; color: var(--ink-2);
  max-width: 680px; margin-bottom: 28px;
}
.ov-cta-sub em { color: var(--ink-1); font-style: italic; }
.ov-cta-row { display: flex; align-items: center; gap: 22px; }

/* ===== Responsive: tablet / phone ====================================== */
@media (max-width: 860px) {
  .ov-outcomes  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-curriculum { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-tools     { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-hero-stats { gap: 28px; flex-wrap: wrap; }
  .ov-cta-band  { padding: 36px 24px; }
  .ov-cta-title { font-size: clamp(28px, 7vw, 42px); }
}
@media (max-width: 520px) {
  .ov-outcomes  { grid-template-columns: 1fr; }
  .ov-curriculum { grid-template-columns: 1fr; }
  .ov-outcome   { padding: 22px 20px 24px; }
  .ov-hero      { padding: 36px 0 44px; }
  .ov-cta-row   { flex-wrap: wrap; gap: 14px; }
}