/* ============================================================
   long-view.css — The Long View
   Marinox Group · Editorial Dispatches
   ------------------------------------------------------------
   Replaces insights.css. Class prefix lv- (long-view).
   Audit-aligned: 17px / α 0.82 body; 720px prose modal;
   palette-disciplined accents; :focus-within reveal;
   loader killed; calm type-only sections; algorithmic covers.
   ============================================================ */

/* ---- HERO ---- */
.lv-hero {
  position: relative;
  padding: 12rem 0 5rem;
  overflow: hidden;
}

.lv-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(62,207,207,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.lv-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
}

.lv-hero-kicker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
.lv-hero-kicker .eyebrow { margin: 0; }

.lv-kicker-line {
  flex: 1;
  height: 1px;
  max-width: 80px;
  background: linear-gradient(to right, var(--acc), transparent);
}

.lv-hero-title {
  font-family: var(--fd);
  font-weight: 300;
  font-size: clamp(4.5rem, 9vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--prose);
  margin: 0 0 1.5rem;
}
.lv-hero-title em { font-style: italic; color: var(--acc); }

.lv-hero-vol {
  font-family: var(--fb);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(200,216,222,0.55);
  text-transform: uppercase;
  margin-top: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.lv-hero-vol::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: rgba(200,216,222,0.55);
}

.lv-hero-desc {
  font-family: var(--fd);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.55;
  color: rgba(200,216,222,0.82);   /* audit · raised from 0.5 */
  border-left: 1px solid rgba(62,207,207,0.25);
  padding-left: 2rem;
  margin: 0 0 2.5rem;
}

.lv-count-strip { display: flex; gap: 2.5rem; }
.lv-ics-item   { display: flex; flex-direction: column; gap: 0.2rem; }

.lv-ics-num {
  font-family: var(--fd);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--acc);
  line-height: 1;
}
.lv-ics-label {
  font-family: var(--fb);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(200,216,222,0.55);
}

/* ---- WATERLINE ---- */
.lv-waterline {
  position: relative;
  height: 1px;
  background: rgba(62,207,207,0.08);
  overflow: hidden;
}
.lv-waterline::after {
  content: '';
  position: absolute;
  left: 0; top: 0;
  height: 1px;
  width: 25%;
  background: linear-gradient(to right, transparent, var(--acc), transparent);
  animation: lv-waterflow 7s ease-in-out infinite;
}
@keyframes lv-waterflow {
  0%   { left: -25%; }
  100% { left: 100%; }
}

/* ---- FILTER NAV ---- */
.lv-nav {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  background: rgba(3,12,18,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(62,207,207,0.08);
}
.lv-nav-inner {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.lv-nav-inner::-webkit-scrollbar { display: none; }

.lv-filter {
  font-family: var(--fb);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(200,216,222,0.6);
  background: none;
  border: none;
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color 0.25s;
}
.lv-filter::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.5rem; right: 1.5rem;
  height: 1px;
  background: var(--acc);
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.16,1,0.3,1);
}
.lv-filter:hover,
.lv-filter:focus-visible { color: var(--prose); }
.lv-filter.active        { color: var(--acc); }
.lv-filter.active::after { transform: scaleX(1); }

.lv-filter-divider {
  width: 1px;
  height: 14px;
  background: rgba(62,207,207,0.12);
  flex-shrink: 0;
}

/* ─── PHASE 1.2 — Venture filter chip ───────────────────
   Active state uses the corresponding venture brand colour
   (--lv-venture-accent is set inline by long-view.js when
   the chip is rendered). The chip carries an "×" affordance
   indicating it can be cleared by clicking it. */
.lv-filter--venture {
  color: var(--lv-venture-accent, var(--acc));
  border: 1px solid color-mix(in srgb, var(--lv-venture-accent, var(--acc)) 40%, transparent);
  border-radius: 2px;
  padding: 0.55rem 1.1rem;
  margin: 0.55rem 0;
  letter-spacing: 0.18em;
  font-weight: 500;
  background: color-mix(in srgb, var(--lv-venture-accent, var(--acc)) 8%, transparent);
  transition: background 0.25s ease, color 0.25s ease;
}
.lv-filter--venture::after { display: none; }   /* skip the underline used by category chips */
.lv-filter--venture:hover {
  background: color-mix(in srgb, var(--lv-venture-accent, var(--acc)) 18%, transparent);
  color: var(--lv-venture-accent, var(--acc));
}
.lv-filter--venture::before {
  content: '\00d7';
  display: inline-block;
  margin-right: 0.55rem;
  font-size: 0.85rem;
  opacity: 0.7;
  transform: translateY(-1px);
}

/* ---- BOARD ---- */
.lv-body { padding: 0 0 8rem; }

.lv-board {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  border-top: 1px solid rgba(62,207,207,0.08);
  border-left: 1px solid rgba(62,207,207,0.08);
}

/* ---- CARDS (real <button> for keyboard accessibility) ---- */
.lv-card {
  background: var(--void);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: none;
  border-right: 1px solid rgba(62,207,207,0.08);
  border-bottom: 1px solid rgba(62,207,207,0.08);
  transition: background 0.3s;
  text-align: left;
  font-family: inherit;
  color: inherit;
  width: 100%;
  display: block;
  padding: 0;
}
.lv-card:hover,
.lv-card:focus-within { background: #061620; }

.lv-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--card-accent, var(--acc));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16,1,0.3,1);
  z-index: 3;
}
.lv-card:hover::after,
.lv-card:focus-visible::after { transform: scaleX(1); }

.lv-card:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--card-accent, var(--acc));
}

.lv-sweep {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(62,207,207,0.03) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.lv-card:hover .lv-sweep,
.lv-card:focus-within .lv-sweep { opacity: 1; }

/* Span classes — 12-col math holds */
.lv-card--featured { grid-column: span 8; grid-row: span 2; }
.lv-card--std      { grid-column: span 4; }
.lv-card--wide     { grid-column: span 6; }
.lv-card--tall     { grid-column: span 4; grid-row: span 2; }

/* ---- ALGORITHMIC COVER (Option 2) ---- */
.lv-cover {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  transition: opacity 0.5s var(--ease), transform 1.2s var(--ease);
  pointer-events: none;
}
.lv-card:hover .lv-cover,
.lv-card:focus-within .lv-cover {
  opacity: 0.85;
  transform: scale(1.02);
}
.lv-cover svg { width: 100%; height: 100%; display: block; }

.lv-cover-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(3,8,12,0.45) 0%,
    rgba(3,8,12,0.85) 70%,
    rgba(3,8,12,0.95) 100%
  );
  pointer-events: none;
}

/* ---- CARD INNER ---- */
.lv-card-inner {
  padding: 2.5rem;
  height: 100%;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.lv-card--featured .lv-card-inner {
  padding: 3.5rem;
  min-height: 520px;
}
.lv-card--tall .lv-card-inner { min-height: 540px; }

.lv-card-num {
  font-family: var(--fd);
  font-size: 5rem;
  font-weight: 300;
  line-height: 1;
  color: rgba(200,216,222,0.08);
  letter-spacing: -0.04em;
  position: absolute;
  top: 1.5rem; right: 2rem;
  transition: color 0.3s;
  user-select: none;
  z-index: 2;
}
.lv-card--featured .lv-card-num {
  font-size: 9rem;
  top: 2rem; right: 3rem;
}
.lv-card:hover .lv-card-num,
.lv-card:focus-within .lv-card-num { color: rgba(200,216,222,0.14); }

.lv-card-cat {
  font-family: var(--fb);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--card-accent, var(--acc));
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--card-accent, var(--acc));
  border-radius: 2px;
  display: inline-block;
  opacity: 0.85;
  position: relative;
  z-index: 2;
}

.lv-card-body {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding-top: 2rem;
}

.lv-card-title {
  font-family: var(--fd);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.25;
  color: var(--prose);
  margin: 0 0 1rem;
  transition: color 0.25s;
}
.lv-card--featured .lv-card-title {
  font-size: clamp(1.9rem, 2.9vw, 2.5rem);
  font-weight: 300;
}
.lv-card:hover .lv-card-title,
.lv-card:focus-within .lv-card-title { color: #fff; }

.lv-card-excerpt {
  font-family: var(--fb);
  font-size: 1.0625rem;          /* audit · 17px */
  line-height: 1.65;
  color: rgba(200,216,222,0.82); /* audit · α 0.82 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
/* Tighter on wide/tall to fit the layout */
.lv-card--wide .lv-card-excerpt,
.lv-card--tall .lv-card-excerpt {
  font-size: 0.95rem;
  -webkit-line-clamp: 2;
}

.lv-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(62,207,207,0.08);
}
.lv-card-date {
  font-family: var(--fb);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: rgba(200,216,222,0.55);
}
.lv-card-read {
  font-family: var(--fb);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--card-accent, var(--acc));
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.2s;
}
.lv-card:hover .lv-card-read,
.lv-card:focus-within .lv-card-read { gap: 0.85rem; }

/* ---- EMPTY STATE ---- */
.lv-empty {
  grid-column: 1 / -1;
  padding: 6rem 2.5rem;
  text-align: center;
  border-right: 1px solid rgba(62,207,207,0.08);
  border-bottom: 1px solid rgba(62,207,207,0.08);
}
.lv-empty h3 {
  font-family: var(--fd);
  font-weight: 300;
  font-size: 1.8rem;
  color: var(--muted);
}
.lv-empty p {
  font-family: var(--fb);
  font-size: 0.85rem;
  color: rgba(200,216,222,0.4);
  margin-top: 0.5rem;
}

/* ---- MODAL READER ---- */
.lv-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(2,7,12,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16,1,0.3,1);
  overflow-y: auto;
}
.lv-modal-overlay.open { opacity: 1; pointer-events: all; }

.lv-modal-inner {
  position: relative;
  max-width: 720px;          /* audit · prose container */
  margin: 0 auto;
  padding: 6rem 2rem 8rem;
}

.lv-modal-progress {
  position: fixed;
  /* Phase 1.6 — sit below iOS notch / Dynamic Island */
  top: env(safe-area-inset-top); left: 0; right: 0;
  height: 2px;
  background: rgba(62,207,207,0.08);
  z-index: 1001;
}
.lv-mp-fill {
  height: 100%;
  background: var(--acc);
  width: 0%;
  transition: width 0.1s linear;
}

.lv-modal-close {
  position: fixed;
  /* Phase 1.6 — offset top so the close button sits below
     the iOS notch / Dynamic Island, not under it. */
  top: calc(1.5rem + env(safe-area-inset-top)); right: 2rem;
  width: 42px; height: 42px;
  border: 1px solid rgba(62,207,207,0.2);
  border-radius: 50%;
  background: rgba(3,12,18,0.9);
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  z-index: 1002;
}
.lv-modal-close:hover { border-color: var(--acc); color: var(--acc); }

.lv-modal-back {
  position: fixed;
  /* Phase 1.6 — offset top so the back button sits below
     the iOS notch / Dynamic Island, not under it. */
  top: calc(1.55rem + env(safe-area-inset-top)); left: 2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--fb);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(200,216,222,0.7);
  padding: 0.7rem 1.1rem;
  border: 1px solid rgba(62,207,207,0.15);
  border-radius: 999px;
  background: rgba(3,12,18,0.9);
  cursor: pointer;
  z-index: 1002;
  transition: color 0.2s, border-color 0.2s;
}
.lv-modal-back:hover {
  color: var(--acc);
  border-color: var(--acc);
}
.lv-modal-back-arrow {
  font-family: var(--fd);
  font-style: italic;
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

.lv-mc-kicker {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.lv-mc-cat {
  font-family: var(--fb);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.32rem 0.75rem;
  border-radius: 2px;
  border: 1px solid currentColor;
  opacity: 0.9;
}
.lv-mc-date {
  font-family: var(--fb);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: rgba(200,216,222,0.6);
}

.lv-mc-title {
  font-family: var(--fd);
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--prose);
  margin: 0 0 1rem;
}
.lv-mc-byline {
  font-family: var(--fd);
  font-style: italic;
  font-weight: 300;
  font-size: 1rem;
  color: rgba(200,216,222,0.7);
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}
.lv-mc-subtitle {
  font-family: var(--fd);
  font-style: italic;
  font-weight: 300;
  font-size: 1.35rem;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(62,207,207,0.1);
}

.lv-modal-content p {
  font-family: var(--fb);
  font-size: 1.0625rem;            /* audit · 17px */
  line-height: 1.85;
  color: rgba(200,216,222,0.82);   /* audit · α 0.82 */
  margin-bottom: 1.5rem;
}
.lv-modal-content h3 {
  font-family: var(--fd);
  font-weight: 400;
  font-size: 1.55rem;
  color: var(--prose);
  margin: 2.5rem 0 1rem;
}
.lv-modal-content blockquote {
  border-left: 2px solid var(--acc);
  margin: 2.5rem 0;
  padding: 0.5rem 0 0.5rem 2rem;
  font-family: var(--fd);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--prose);
}

.lv-mc-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(62,207,207,0.1);
}
.lv-mc-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.lv-mc-share {
  font-family: var(--fb);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(200,216,222,0.5);
}
.lv-mc-share-btn {
  font-family: var(--fb);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--acc);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.2s;
}
.lv-mc-share-btn:hover { opacity: 0.7; }

.lv-mc-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.lv-mc-nav-btn {
  font-family: var(--fd);
  font-style: italic;
  font-size: 1rem;
  color: var(--acc);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem 0;
  transition: opacity 0.2s, transform 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.lv-mc-nav-btn:disabled {
  color: rgba(200,216,222,0.3);
  cursor: not-allowed;
}
.lv-mc-nav-btn:not(:disabled):hover {
  opacity: 0.7;
  transform: translateX(3px);
}
.lv-mc-nav-btn--prev:not(:disabled):hover {
  transform: translateX(-3px);
}

/* ---- CTA (italic-noun tic broken — full sentence, no italic) ---- */
.lv-cta {
  padding: 6rem 0;
  border-top: 1px solid rgba(62,207,207,0.08);
  text-align: center;
}
.lv-cta h2 {
  font-family: var(--fd);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--prose);
  margin-bottom: 2rem;
  line-height: 1.2;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- TOAST (share/copy feedback) ---- */
.lv-toast {
  position: fixed;
  /* Phase 1.6 — offset bottom so toast sits above
     the iOS home indicator, not on top of it. */
  bottom: calc(2rem + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 2000;
  padding: 0.9rem 1.5rem;
  background: rgba(3,12,18,0.95);
  border: 1px solid var(--acc);
  border-radius: 2px;
  font-family: var(--fb);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--acc);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease);
}
.lv-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .lv-hero { padding: 9rem 0 4rem; }
  .lv-hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .lv-card--featured,
  .lv-card--wide,
  .lv-card--tall,
  .lv-card--std {
    grid-column: span 6;
    grid-row: span 1;
  }
}

@media (max-width: 600px) {
  .lv-card--featured,
  .lv-card--wide,
  .lv-card--tall,
  .lv-card--std {
    grid-column: span 12;
    grid-row: span 1;
  }
  .lv-card-inner { padding: 1.8rem; min-height: 220px; }
  .lv-card--featured .lv-card-inner { padding: 2.2rem; min-height: 320px; }
  .lv-modal-inner { padding: 5rem 1.2rem 6rem; }
  .lv-modal-back { left: 1rem; padding: 0.55rem 0.85rem; font-size: 0.6rem; }
  .lv-modal-close { top: 1rem; right: 1rem; }
}