/* Hero Window - macOS-style framed window beneath the main title logo.
   Lifted from hero-variant-a-windows.html (Window 1) and scoped under
   .hero-window to avoid colliding with other site styles. */

.hero-window-section {
  --hw-brand-grad-compact: linear-gradient(90deg, #0894FF 0%, #BD32D6 50%, #FFA304 100%);
  --hw-hairline: rgba(25, 26, 35, 0.10);
  --hw-hairline-strong: rgba(25, 26, 35, 0.18);
  --hw-mac-titlebar-grad: linear-gradient(180deg, #ECECEC 0%, #d6d6d6 100%);
  --hw-mac-titlebar-border: #B5B5B5;
  --hw-mac-title-text: rgba(0, 0, 0, 0.62);
  --hw-mac-path-text: rgba(0, 0, 0, 0.36);
  --hw-mac-window-shadow:
    0 26px 48px rgba(0, 30, 70, 0.14),
    0 8px 16px rgba(0, 30, 70, 0.08),
    0 0 0 0.5px rgba(0, 0, 0, 0.20);
  --hw-mac-window-bg: #FFFFFF;
  --hw-mac-footer-bg: #F6F6F8;
  --hw-tl-close-fill: #FF5F57;
  --hw-tl-close-border: #E0443E;
  --hw-tl-min-fill: #FEBC2E;
  --hw-tl-min-border: #DEA123;
  --hw-tl-max-fill: #28C840;
  --hw-tl-max-border: #1AAB29;
  --hw-font-system: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
  position: relative;
  z-index: 1;
  max-width: 1080px;
  width: calc(100% - 56px);
  margin: 50px auto 96px;
  padding: 0;
}

.hero-window {
  background: var(--hw-mac-window-bg);
  border-radius: 11px;
  box-shadow: var(--hw-mac-window-shadow);
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

/* Title bar - LTR-pinned, matches Big Sur+ */
.hero-window-titlebar {
  height: 38px;
  background: var(--hw-mac-titlebar-grad);
  border-bottom: 1px solid var(--hw-mac-titlebar-border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 14px;
  position: relative;
  direction: ltr;
  user-select: none;
}

.hero-window-traffic-lights {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
}

.hero-window-tl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow:
    inset 0 0 0 0.5px rgba(0, 0, 0, 0.20),
    inset 0 1px 0 rgba(255, 255, 255, 0.30);
  font-family: var(--hw-font-system);
  font-size: 9px;
  line-height: 1;
  font-weight: 700;
  color: transparent;
  transition: color 0.12s ease;
  cursor: default;
}

.hero-window-tl--close { background: var(--hw-tl-close-fill); border: 0.5px solid var(--hw-tl-close-border); }
.hero-window-tl--min   { background: var(--hw-tl-min-fill);   border: 0.5px solid var(--hw-tl-min-border); }
.hero-window-tl--max   { background: var(--hw-tl-max-fill);   border: 0.5px solid var(--hw-tl-max-border); }

.hero-window:hover .hero-window-tl--close { color: rgba(74, 0, 0, 0.70); }
.hero-window:hover .hero-window-tl--min   { color: rgba(120, 60, 0, 0.70); }
.hero-window:hover .hero-window-tl--max   { color: rgba(0, 60, 0, 0.70); }

.hero-window-tl--close::before { content: '\00d7'; }
.hero-window-tl--min::before   { content: '\2013'; }
.hero-window-tl--max::before {
  content: '';
  width: 6px;
  height: 6px;
  border: 1.2px solid transparent;
  border-top-color: rgba(0, 60, 0, 0);
  border-left-color: rgba(0, 60, 0, 0);
  transition: border-color 0.12s ease;
}
.hero-window:hover .hero-window-tl--max::before {
  border-top-color: rgba(0, 60, 0, 0.70);
  border-left-color: rgba(0, 60, 0, 0.70);
}

.hero-window-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  line-height: 1;
  white-space: nowrap;
}

.hero-window-path {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--hw-mac-path-text);
  font-weight: 500;
}

.hero-window-headline {
  font-family: var(--hw-font-system);
  font-size: 13px;
  font-weight: 600;
  color: var(--hw-mac-title-text);
  letter-spacing: -0.005em;
}

.hero-window-toolbar {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-window-toolbar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hw-tl-max-fill);
  box-shadow: 0 0 6px rgba(40, 200, 64, 0.55);
}

.hero-window-toolbar-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--hw-mac-path-text);
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.04);
  border: 0.5px solid rgba(0, 0, 0, 0.10);
}

/* Body - hero copy */
.hero-window-body {
  direction: rtl;
  padding: 64px 56px 56px;
  text-align: center;
  position: relative;
  background: #FFFFFF;
}

.hero-window-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--primary-color);
  margin-bottom: 18px;
}

.hero-window-title-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 auto 18px;
  max-width: 22ch;
  color: var(--text-color);
}

.hero-course-main-subtitle {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(15px, 1.45vw, 22px);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 56ch;
  margin: 40px auto 52px;
  position: relative;
  text-align: center;
}

/* ───── Hero Principles strip ───────────────────────────────────
   Apple-store inspired row of brand tenets sitting between the
   marketing subtitle and the macOS-style hero window. Pure typography,
   light weights, brand-gradient discs as separators. The eyebrow above
   and the 64px gradient hairline below frame the strip and bridge it
   into the window beneath. */
.hero-principles {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin: 10px auto 44px;
  padding: 0 24px;
  text-align: center;
  animation: hero-fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

.hero-principles-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  direction: rtl;
}

.hero-principles-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  direction: ltr;
  max-width: 70vw;
}

.hero-principles-item {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.4vw, 21px);
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--text-color);
  white-space: nowrap;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.hero-principles-item:hover {
  color: var(--primary-color);
}

/* Brand-gradient disc inserted after every item except the last.
   Using ::after (not ::before) so the disc trails its item and stays
   on the same line on wrap - no orphan disc leading a new row.
   Compact 3-stop gradient matches the canonical brand mark. */
.hero-principles-item:not(:last-child)::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0894FF 0%, #BD32D6 55%, #FFA304 100%);
  box-shadow: 0 0 10px rgba(189, 50, 214, 0.28);
  margin: 0 20px;
  vertical-align: middle;
  position: relative;
  top: -2px;
  flex-shrink: 0;
}

.hero-principles-hairline {
  display: block;
  width: 64px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0894FF 0%, #BD32D6 50%, #FFA304 100%);
  opacity: 0.55;
}

.hero-window-support {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(14.5px, 1.2vw, 16.5px);
  color: var(--text-color);
  max-width: 50ch;
  margin: 14px auto 0;
  padding-block: 12px;
  border-block-start: 1px solid var(--hw-hairline);
  border-block-end: 1px solid var(--hw-hairline);
}

.hero-window-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

.hero-window-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: 0;
}

.hero-window-btn:hover { transform: translateY(-1px); }

.hero-window-btn--primary {
  background: var(--text-color);
  color: #fff;
  box-shadow: 0 6px 14px rgba(25, 26, 35, 0.18);
}
.hero-window-btn--primary:hover { background: #2A2B36; box-shadow: 0 10px 22px rgba(25, 26, 35, 0.22); }

.hero-window-btn--secondary {
  background: transparent;
  color: var(--text-color);
  border: 1px solid var(--hw-hairline-strong);
}
.hero-window-btn--secondary:hover { background: rgba(0, 0, 0, 0.03); }

/* Footer - manifesto strip */
.hero-window-footer {
  direction: rtl;
  background: var(--hw-mac-footer-bg);
  border-top: 1px solid var(--hw-hairline);
  padding: 22px 36px;
}

.hero-window-manifesto {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-window-manifesto-line {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 16px;
  color: var(--text-color);
  line-height: 1.4;
  margin: 0;
}

/* Solid brand color on the emphasized word - gradient is forbidden on
   semi-bold weight per the brand rule (light/thin only). */
.hero-window-manifesto-line strong {
  font-weight: 600;
  font-style: normal;
  color: var(--primary-color);
}

.hero-window-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  direction: ltr;
}

.hero-window-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--hw-hairline-strong);
  padding: 5px 10px;
  border-radius: 999px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-window-section { width: calc(100% - 32px); margin-bottom: 72px; }
  .hero-window-body { padding: 56px 40px 48px; }
  .hero-principles { margin-bottom: 36px; gap: 16px; }
  .hero-principles-item:not(:last-child)::after { margin: 0 14px; }
}

@media (max-width: 820px) {
  .hero-principles-list {
  max-width: 90%;
  }
  .hero-window-section { width: calc(100% - 24px); margin-bottom: 56px; }
  .hero-window-body { padding: 48px 24px 40px; }
  .hero-window-footer { padding: 20px 24px; }
  .hero-window-title { gap: 0; }
  .hero-window-headline { font-size: 12px; }
  .hero-window-path { display: none; }
  .hero-window-toolbar-badge { display: none; }
  .hero-principles { margin-bottom: 30px; gap: 14px; }
  .hero-principles-eyebrow { font-size: 10px; letter-spacing: 0.28em; }
  .hero-principles-item:not(:last-child)::after { margin: 0 10px; width: 5px; height: 5px; top: -1px; }
}