/* ═══════════════════════════════════════════
   SH2 — INTERACTION FX (additive layer).
   1. directional button ink fill (.dirfill)
   2. magnetic pull (JS drives `translate`; no CSS here
      beyond a will-change hint)
   3. hero typewriter v2 (bigger mono + block caret)
   4. word rotator (+ font-swap v2 reuses .is-mono)
   5. star-wars overflow fix (.perspective-*)
   6. nav University bookshelf (.nav-books)
   7. quick panel drawer (#quick-panel)
   Everything consumes tokens.css vars → theme-reactive
   in both light and dark without extra JS.
   ═══════════════════════════════════════════ */

/* ════════ 1. DIRECTIONAL BUTTON FILL ════════
   ::before ink layer slides IN from the entry edge and
   OUT toward the exit edge ([data-dir] stamped by JS).
   Ink is the inverse of the button: light buttons fill
   dark, the dark solid pill fills light. */

.dirfill {
  --fill: var(--ink-0);
  --fill-ink: var(--bg-0);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.dirfill::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: -1; /* paints above the element's own bg, below its text */
  background: var(--fill);
  border-radius: inherit;
  transform: translateY(101%); /* resting default: parked at bottom edge */
  /* snappier — Franco: "que cargue animado rapido... al toque" */
  transition: transform var(--dirfill-t, 0.22s) var(--ease-out);
  pointer-events: none;
}
.dirfill[data-dir='top']::before { transform: translateY(-101%); }
.dirfill[data-dir='bottom']::before { transform: translateY(101%); }
.dirfill[data-dir='left']::before { transform: translateX(-101%); }
.dirfill[data-dir='right']::before { transform: translateX(101%); }
.dirfill:hover::before,
.dirfill:focus-visible::before { transform: translate(0, 0); }

/* text inverts onto the ink (double class outguns .pill-btn:hover) */
.dirfill.dirfill:hover,
.dirfill.dirfill:focus-visible { color: var(--fill-ink); }

/* variant inks */
.pill-btn--solid.dirfill { --fill: var(--bg-0); --fill-ink: var(--ink-0); }
.discover-btn.dirfill { --fill: #ffffff; --fill-ink: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .dirfill::before { transition: none; }
}

/* ════════ 2. MAGNETIC PULL (hint only — JS drives it) ════════ */
[data-magnetic] { will-change: translate; }

/* ════════ 3. HERO TYPEWRITER v2 ════════
   Bigger mono line + blinking accent block caret ▍.
   (Old .type-erase caret untouched — this class lives
   only on the hero span.) */

.hero-typewriter {
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.1vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-0);
}
.hero-typewriter::after {
  content: '▍';
  color: var(--accent);
  margin-left: 2px;
  font-size: 1.02em;
  line-height: 1;
  animation: sh2-caret 0.8s steps(1, end) infinite;
}
@keyframes sh2-caret {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-typewriter::after { animation: none; }
}

/* ════════ 4. WORD ROTATOR ════════
   inline-grid stacking: every word occupies cell 1/1 so
   the container is permanently sized by the widest word
   (no reflow on swap). Crossfade + slide-up. */

.word-rotator {
  display: inline-grid;
  vertical-align: baseline;
}
.word-rotator > span {
  grid-area: 1 / 1;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(0.55em);
  transition: opacity 0.36s ease, transform 0.46s var(--ease-out);
}
.word-rotator > span.is-in { opacity: 1; transform: none; }
.word-rotator > span.is-out { opacity: 0; transform: translateY(-0.55em); }
@media (prefers-reduced-motion: reduce) {
  .word-rotator > span { transition: none; }
}

/* ════════ 4c. FONT-SWAP EXTRA VOICES ════════
   initFontSwap2 cycles [data-swap] through 5 typographic
   voices. is-mono is pass-1 (south-hustles.css); these are
   the new ones. Each keeps its own accent so every swap
   also shifts colour temperature. */

.font-swap.is-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--accent-soft);
}
.font-swap.is-unbounded {
  font-family: 'Unbounded', var(--font-grotesk);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent);
}
.font-swap.is-bodoni {
  font-family: 'Bodoni Moda', var(--font-serif);
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--uni-amber);
}

/* ════════ 5. STAR-WARS OVERFLOW FIX ════════
   The tilted plane must never escape the section box.
   overflow:clip here was still hard-cutting the rotated text on wide
   screens — the vertical fade is already handled by .perspective-stage's
   mask-image below, so clipping isn't load-bearing. Falls back on the
   same global html{overflow-x:hidden} backstop the rest of the site
   already relies on (see south-hustles.css) instead of a local clip. */
.perspective-sec { overflow: visible; }
.perspective-stage {
  overflow: visible;
  max-width: min(92vw, 1100px);
  margin-inline: auto;
}
.perspective-text { max-width: 100%; }
/* wide-desktop clamp: flatten the foreshortening (deeper
   perspective distance ≈ smaller effective tilt — the JS
   rotateX is inline, so we relax the lens, not the plane)
   + a mask ceiling so nothing pokes past the section */
@media (min-width: 1440px) {
  .perspective-stage {
    perspective: 520px;
    max-height: 72vh;
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 18%, #000 74%, transparent);
    mask-image: linear-gradient(180deg, transparent, #000 18%, #000 74%, transparent);
  }
  .perspective-text { font-size: clamp(1.6rem, 3.9vw, 3.9rem); }
}

/* ════════ 6. NAV UNIVERSITY BOOKS ════════
   Tiny bookshelf after the "University" label: 4 mini
   spines in the --uni-* palette pop up staggered on
   hover and while scroll-active. Pure CSS art. */

.nav a.has-books {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.nav-books {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
  overflow: hidden;
  pointer-events: none;
}
.nav-books i {
  display: block;
  width: 3px;
  border-radius: 1.5px 1.5px 0 0;
  transform: translateY(115%);
  transform-origin: 50% 100%;
  transition: transform 0.45s var(--ease-spring);
}
.nav-books i:nth-child(1) { height: 9px;  background: var(--uni-red);   transition-delay: 0ms; }
.nav-books i:nth-child(2) { height: 12px; background: var(--uni-amber); transition-delay: 60ms; }
.nav-books i:nth-child(3) { height: 8px;  background: var(--uni-green); transition-delay: 120ms; rotate: 9deg; }
.nav-books i:nth-child(4) { height: 11px; background: var(--uni-blue);  transition-delay: 180ms; }
.nav a:hover .nav-books i,
.nav a.is-active .nav-books i { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .nav-books i { transition: none; }
}

/* ════════ 7. QUICK PANEL ════════
   Right side-drawer for the + button — same pattern
   language as css/panel.css (.side-panel), re-declared
   here because panel.css isn't linked on this page.
   z: above the menu overlay (100), below the loader (500). */

.quick-panel__backdrop {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(5, 5, 8, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.quick-panel__backdrop.is-open { opacity: 1; pointer-events: all; cursor: pointer; }

.quick-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(440px, 92vw);
  z-index: 111;
  background: var(--bg-0);
  color: var(--ink-0);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(103%);
  visibility: hidden;
  transition: transform 0.55s var(--ease-out), visibility 0s linear 0.55s;
}
.quick-panel.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.6s var(--ease-spring), visibility 0s;
}
.quick-panel::-webkit-scrollbar { width: 4px; }
.quick-panel::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }
body.quick-panel-open { overflow: hidden; }
@supports (overflow: clip) { body.quick-panel-open { overflow: clip; } }

.quick-panel__head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 1.5rem 1.5rem 1.1rem;
  background: var(--bg-0);
  border-bottom: 1px solid var(--line-soft);
}
.quick-panel__title {
  font-family: var(--font-grotesk);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.5rem;
  color: var(--ink-0);
}
.quick-panel__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.quick-panel__sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.quick-panel__close {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-1);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.25s var(--ease-out);
}
.quick-panel__close:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
  transform: rotate(90deg);
}

.quick-panel__body { padding: 1.25rem 1.5rem 2.5rem; }
.quick-panel__section-title {
  margin: 26px 0 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.quick-panel__section-title:first-child { margin-top: 0; }

/* mini section index — mono numbers, giant-ish rows */
.quick-panel__index { display: flex; flex-direction: column; }
.quick-panel__index a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-grotesk);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  transition: color 0.2s ease, padding-left 0.3s var(--ease-out);
}
.quick-panel__index a b {
  margin-left: auto;
  font-weight: 400;
  color: var(--ink-3);
  transition: color 0.2s ease, translate 0.3s var(--ease-out);
}
.quick-panel__index a:hover { color: var(--accent); padding-left: 8px; }
.quick-panel__index a:hover b { color: var(--accent); translate: 4px 0; }
.qp-num {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}

/* latest project quick-cards */
.qp-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  margin-bottom: 8px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--surface);
  color: var(--ink-0);
  transition: border-color 0.2s ease, transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}
.qp-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.qp-card__thumb {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-s);
  color: #fff;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.qp-card:nth-of-type(2) .qp-card__thumb { background: linear-gradient(135deg, var(--accent-2), var(--accent-soft)); }
.qp-card:nth-of-type(3) .qp-card__thumb { background: linear-gradient(135deg, var(--uni-blue), var(--uni-green)); }
.qp-card__name { font-family: var(--font-grotesk); font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; }
.qp-card__meta {
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.qp-card__go {
  margin-left: auto;
  color: var(--ink-3);
  transition: color 0.2s ease, translate 0.3s var(--ease-out);
}
.qp-card:hover .qp-card__go { color: var(--accent); translate: 3px 0; }

/* Cloudflare asset slot — preview strip placeholder */
.qp-slot {
  position: relative;
  aspect-ratio: 16 / 6;
  border-radius: var(--radius-m);
  border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  background:
    radial-gradient(60% 90% at 20% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    radial-gradient(50% 80% at 90% 90%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 70%),
    var(--bg-1);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.qp-slot span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* display settings (text-size stepper) */
.qp-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--surface);
}
.qp-display__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ink-1);
}
.qp-stepper { display: flex; gap: 4px; }
.qp-stepper button {
  min-width: 30px;
  padding: 6px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-1);
  font-family: var(--font-grotesk);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.qp-stepper button sup { font-size: 0.6em; }
.qp-stepper button:hover { border-color: var(--accent); color: var(--accent); }
.qp-stepper button.is-active { background: var(--ink-0); border-color: var(--ink-0); color: var(--bg-0); }

/* email CTA */
.quick-panel__cta {
  display: block;
  margin-top: 28px;
  text-align: center;
  padding: 13px 20px;
  border-radius: 999px;
  background: var(--ink-0);
  color: var(--bg-0);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, color 0.25s ease;
}
.quick-panel__cta:hover { background: var(--accent); color: #fff; }

.quick-panel__foot {
  margin-top: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

@media (prefers-reduced-motion: reduce) {
  .quick-panel,
  .quick-panel__backdrop { transition: none; }
}