/* ===================================================================
 * INSIGHTS — Blog editorial da Sauter
 * Sistema de motion herdado de Cases + interações específicas:
 *  - busca em tempo real
 *  - filtros encadeados
 *  - reading view (overlay)
 *  - newsletter com micro-interactions
 * =================================================================== */

/* ===== NEWSLETTER HERO — alinhado ao hero da home ===== */
.ins-nl-hero {
  position: relative;
  min-height: 92vh;
  padding: 160px var(--gutter) var(--s-9);
  background:
    radial-gradient(ellipse 55% 65% at 80% 35%, color-mix(in srgb, var(--rainbow-indigo) 8%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 55% at 15% 75%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 60%),
    linear-gradient(180deg, #F8F6FC 0%, var(--bg) 100%);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--rule);
}
[data-theme="dark"] .ins-nl-hero {
  background:
    radial-gradient(ellipse 55% 65% at 80% 35%, color-mix(in srgb, var(--rainbow-indigo) 18%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 55% at 15% 75%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%),
    var(--bg);
}
.ins-nl-hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}
.ins-nl-hero .eyebrow-pulse {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
  font-weight: 500;
}
.ins-nl-hero .eyebrow-pulse::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
  animation: ins-nl-pulse 2.4s ease-out infinite;
}
@keyframes ins-nl-pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent); }
  70% { box-shadow: 0 0 0 14px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}
.ins-nl-hero h1 {
  font-size: clamp(48px, 6.4vw, 104px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.028em;
  margin: 0;
  text-wrap: balance;
  max-width: 14ch;
}
.ins-nl-hero h1 em {
  font-style: normal;
  color: var(--primary-hi);
  font-weight: 500;
}
.ins-nl-hero h1 .accent-dot { color: var(--accent); }
.ins-nl-hero h1 .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: ins-nl-word-in 700ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--i, 0) * 90ms + 200ms);
}
@keyframes ins-nl-word-in {
  to { opacity: 1; transform: translateY(0); }
}
.ins-nl-hero-lead {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--fg-muted);
  max-width: 56ch;
  line-height: 1.5;
  text-wrap: pretty;
  margin: 0;
  opacity: 0;
  transform: translateY(8px);
  animation: ins-nl-lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 800ms forwards;
}
@keyframes ins-nl-lead-in {
  to { opacity: 1; transform: translateY(0); }
}

/* Form pill — same vocabulary as .hero-ask */
.ins-nl-hero-ask {
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  border-radius: 100px;
  padding: 6px 6px 6px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 640px;
  transition: border-color var(--t-med), box-shadow var(--t-med), transform var(--t-fast);
  box-shadow: 0 1px 0 0 color-mix(in srgb, var(--fg) 4%, transparent);
  opacity: 0;
  transform: translateY(8px);
  animation: ins-nl-lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 950ms forwards;
}
.ins-nl-hero-ask:focus-within {
  border-color: var(--primary-hi);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-hi) 14%, transparent);
}
.ins-nl-hero-ask .nl-icon {
  width: 20px; height: 20px;
  color: var(--primary-hi);
  flex-shrink: 0;
}
.ins-nl-hero-ask input {
  flex: 1;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 16px;
  color: var(--fg);
  padding: 14px 0;
  outline: 0;
  min-width: 0;
}
.ins-nl-hero-ask input::placeholder { color: var(--fg-faint); }
.ins-nl-hero-ask button {
  background: var(--fg);
  color: var(--bg);
  border: 0;
  border-radius: 100px;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.ins-nl-hero-ask button:hover { transform: translateY(-1px); }
.ins-nl-hero-ask button:disabled { opacity: 0.7; cursor: default; transform: none; }
.ins-nl-hero-ask button svg { width: 14px; height: 14px; }
.ins-nl-hero-disclaimer {
  font-size: 12px;
  color: var(--fg-faint);
  margin-top: 4px;
  opacity: 0;
  animation: ins-nl-lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 1050ms forwards;
}
.ins-nl-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0;
  opacity: 0;
  transform: translateY(8px);
  animation: ins-nl-lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 1150ms forwards;
}
.ins-nl-hero-meta strong {
  color: var(--fg);
  font-weight: 500;
  margin-right: 6px;
}

@media (max-width: 720px) {
  .ins-nl-hero {
    padding-top: 120px;
    min-height: auto;
  }
  .ins-nl-hero h1 { max-width: 100%; }
  .ins-nl-hero-ask {
    flex-wrap: wrap;
    border-radius: 18px;
    padding: 14px;
  }
  .ins-nl-hero-ask input { width: 100%; padding: 8px 4px; }
  .ins-nl-hero-ask button {
    width: 100%;
    justify-content: center;
    padding: 14px;
  }
}

/* ===== HERO ===== */
.ins-hero {
  position: relative;
  padding: 160px var(--gutter) var(--s-9);
  background:
    radial-gradient(ellipse 55% 65% at 80% 35%, color-mix(in srgb, var(--rainbow-indigo) 8%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 55% at 15% 75%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 60%),
    linear-gradient(180deg, #F8F6FC 0%, var(--bg) 100%);
  overflow: hidden;
  isolation: isolate;
}
[data-theme="dark"] .ins-hero {
  background:
    radial-gradient(ellipse 55% 65% at 80% 35%, color-mix(in srgb, var(--rainbow-indigo) 18%, transparent), transparent 70%),
    radial-gradient(ellipse 45% 55% at 15% 75%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%),
    var(--bg);
}

.ins-hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.ins-hero .eyebrow-pulse {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--s-6);
  font-weight: 500;
}
.ins-hero .eyebrow-pulse::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
  animation: pulse-dot 2.4s ease-out infinite;
}

.ins-hero h1 {
  font-size: clamp(48px, 6.4vw, 104px);
  font-weight: 400;
  line-height: 0.93;
  letter-spacing: -0.028em;
  margin: 24px 0 var(--s-6);
  max-width: 14ch;
}
.ins-hero h1 em {
  font-style: normal;
  color: var(--primary-hi);
  font-weight: 500;
}
.ins-hero h1 .accent-dot { color: var(--accent); }
.ins-hero h1 .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  animation: word-rise 900ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--i, 0) * 90ms + 200ms);
}
.ins-hero-lead {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 0 var(--s-7);
  line-height: 1.45;
  opacity: 0;
  animation: lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 700ms forwards;
}

/* Search box (large, hero-prominent) */
.ins-searchbox {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-pill);
  padding: 14px 22px;
  max-width: 640px;
  transition: border-color 360ms var(--ease-out), box-shadow 360ms var(--ease-out), transform 360ms var(--ease-out);
  opacity: 0;
  animation: lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 950ms forwards;
}
.ins-searchbox:focus-within {
  border-color: var(--fg);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--fg) 8%, transparent);
  transform: translateY(-1px);
}
.ins-searchbox svg.search-icon {
  width: 20px; height: 20px;
  color: var(--fg-muted);
  flex-shrink: 0;
}
.ins-searchbox input {
  flex: 1;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 16px;
  color: var(--fg);
  outline: none;
  min-width: 0;
}
.ins-searchbox input::placeholder { color: var(--fg-faint); }
.ins-searchbox .clear {
  background: var(--bg-soft);
  border: 0;
  border-radius: 50%;
  width: 26px; height: 26px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--fg-muted);
  transition: all var(--t-fast);
}
.ins-searchbox .clear:hover { background: var(--fg); color: var(--bg); }
.ins-searchbox .clear svg { width: 12px; height: 12px; }
.ins-searchbox .kbd {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--fg-faint);
  background: var(--bg-soft);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.ins-hero-meta {
  display: flex;
  gap: 32px;
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--fg-muted);
  opacity: 0;
  animation: lead-in 800ms cubic-bezier(0.16, 1, 0.3, 1) 1100ms forwards;
}
.ins-hero-meta strong {
  color: var(--fg);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ===== FILTERS ===== */
.ins-filters {
  position: relative;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}
.ins-filters-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  position: relative;
}
.ins-filters-row {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.ins-filters-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-faint);
  white-space: nowrap;
  font-weight: 500;
  width: 92px;
  flex-shrink: 0;
}
.ins-filters-group { display: flex; gap: 8px; flex-wrap: wrap; min-width: 0; flex: 1; }
.ins-chip {
  padding: 7px 14px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 400;
  border: 1px solid var(--rule-strong);
  color: var(--fg-muted);
  white-space: nowrap;
  transition: all 360ms var(--ease-out);
  background: transparent;
}
.ins-chip:hover {
  border-color: var(--fg);
  color: var(--fg);
  transform: translateY(-1px);
}
.ins-chip.active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
  transform: translateY(-1px);
}
.ins-filters-count {
  position: absolute;
  top: 24px;
  right: var(--gutter);
  font-size: 12px;
  color: var(--fg-faint);
  letter-spacing: 0.05em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.ins-filters-count strong { color: var(--fg); font-weight: 500; }
@media (max-width: 720px) {
  .ins-filters-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .ins-filters-label { width: auto; }
  .ins-filters-count {
    position: static;
    align-self: flex-end;
  }
}

/* ===== FEATURED POST ===== */
.ins-featured {
  padding: var(--s-9) var(--gutter) var(--s-7);
  background: var(--bg);
}
.ins-featured-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.ins-featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  background: var(--black-rock);
  border-radius: var(--r-3);
  overflow: hidden;
  position: relative;
  isolation: isolate;
  cursor: pointer;
  transition: transform 480ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 480ms;
  text-decoration: none;
  color: var(--white);
}
.ins-featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 80px rgba(21, 3, 45, 0.18);
}
.ins-featured-art {
  position: relative;
  min-height: 460px;
  background: linear-gradient(135deg, #2A1450 0%, #15032D 100%);
  overflow: hidden;
}
.ins-featured-art .blob {
  position: absolute;
  inset: -10%;
  filter: blur(36px);
  opacity: 0.65;
  mix-blend-mode: screen;
  animation: blob-morph 14s ease-in-out infinite;
  background:
    radial-gradient(circle at 75% 30%, var(--rainbow-indigo) 0%, transparent 55%),
    radial-gradient(circle at 25% 80%, color-mix(in srgb, var(--accent) 50%, transparent) 0%, transparent 60%);
}
.ins-featured-art svg.cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}
.ins-featured-body {
  padding: clamp(40px, 4vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s-6);
}
.ins-featured-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
}
.ins-featured-meta .pill {
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--black-rock);
  letter-spacing: 0.1em;
}
.ins-featured-card h2 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
  color: var(--white);
}
.ins-featured-card h2 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}
.ins-featured-card p.excerpt {
  font-size: 16px;
  color: rgba(255,255,255,0.78);
  line-height: 1.55;
  max-width: 480px;
  margin: 0;
}
.ins-featured-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: var(--s-4);
  border-top: 1px solid rgba(255,255,255,0.18);
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}
.ins-featured-foot .author {
  display: flex;
  gap: 12px;
  align-items: center;
}
.ins-featured-foot .avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--rainbow-indigo));
  flex-shrink: 0;
  position: relative;
}
.ins-featured-foot .avatar::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--black-rock);
  box-shadow: 0 0 0 1.5px var(--accent) inset;
}
.ins-featured-foot strong { color: var(--white); font-weight: 500; }
.ins-featured-foot .arrow-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: grid; place-items: center;
  color: var(--white);
  transition: all 360ms cubic-bezier(0.16, 1, 0.3, 1);
}
.ins-featured-card:hover .arrow-btn {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--black-rock);
  transform: rotate(-45deg) scale(1.05);
}
@media (max-width: 900px) {
  .ins-featured-card { grid-template-columns: 1fr; }
  .ins-featured-art { min-height: 280px; }
}

/* ===== POSTS GRID ===== */
.ins-grid-section {
  padding: var(--s-7) var(--gutter) var(--s-9);
  background: var(--bg);
}
.ins-grid-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.ins-grid-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: var(--s-7);
  flex-wrap: wrap;
}
.ins-grid-head h3 {
  font-size: var(--fs-h3);
  font-weight: 400;
  letter-spacing: -0.005em;
  margin: 12px 0 0;
}
.ins-grid-head h3 em { font-style: normal; color: var(--primary-hi); font-weight: 500; }
.ins-grid-sort {
  display: flex;
  gap: 4px;
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  padding: 3px;
  background: var(--bg);
}
.ins-grid-sort button {
  padding: 6px 14px;
  background: transparent;
  border: 0;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-family: inherit;
  color: var(--fg-muted);
  cursor: pointer;
  transition: all var(--t-fast);
}
.ins-grid-sort button.on { background: var(--fg); color: var(--bg); }

.ins-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.ins-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: var(--r-3);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  position: relative;
  isolation: isolate;
  transition:
    border-color 360ms var(--ease-out),
    transform 480ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 480ms var(--ease-out);
  min-height: 440px;
}
.ins-card:hover {
  border-color: var(--fg);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(21, 3, 45, 0.08);
}
[data-theme="dark"] .ins-card:hover { box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); }

.ins-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  transition: width 480ms cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 5;
}
.ins-card:hover::after { width: 100%; }

.ins-card-art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}
.ins-card-art svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.ins-card:hover .ins-card-art svg { transform: scale(1.06); }

.ins-card-body {
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}
.ins-card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  font-weight: 500;
}
.ins-card-meta .cat { color: var(--primary-hi); }
.ins-card-meta .format-pill {
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-size: 10px;
}
.ins-card h4 {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
  transition: transform 360ms var(--ease-out);
}
.ins-card:hover h4 { transform: translateX(4px); }
.ins-card-excerpt {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}
.ins-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  color: var(--fg-muted);
}
.ins-card-foot .author {
  display: flex;
  gap: 8px;
  align-items: center;
}
.ins-card-foot .avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-hi), var(--accent));
  flex-shrink: 0;
}
.ins-card-foot .read-time::before {
  content: "·";
  margin: 0 8px;
  color: var(--fg-faint);
}

@media (max-width: 1000px) { .ins-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .ins-grid { grid-template-columns: 1fr; } }

.ins-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--s-9) 0;
  color: var(--fg-muted);
}
.ins-empty strong { display: block; font-size: 18px; color: var(--fg); margin-bottom: 8px; font-weight: 500; }

/* ===== PAGINATION ===== */
.ins-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: var(--s-8) auto 0;
  padding: 12px 0;
  user-select: none;
}
.ins-page-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: all 250ms ease;
}
.ins-page-arrow:hover:not(:disabled) {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.ins-page-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}
.ins-page-arrow svg { width: 20px; height: 20px; }
.ins-page-wheel {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ins-page-num {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
  background: var(--bg-soft);
  color: var(--fg-muted);
  transition: transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1),
              background 250ms ease,
              color 250ms ease,
              border-color 250ms ease;
  border: 1px solid var(--rule);
}
.ins-page-num:hover:not(.active) {
  color: var(--fg);
  border-color: var(--fg-muted);
}
.ins-page-num.active {
  background: var(--accent);
  color: var(--black-rock);
  font-weight: 700;
  border-color: var(--accent);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 35%, transparent);
}

@media (max-width: 640px) {
  .ins-page-num { width: 34px; height: 34px; font-size: 13px; }
  .ins-page-wheel { gap: 6px; }
  .ins-page-arrow { width: 34px; height: 34px; }
  .ins-pagination { gap: 8px; }
}

/* ===== NEWSLETTER ===== */
.ins-newsletter {
  padding: var(--s-9) var(--gutter);
}
.ins-newsletter-card {
  max-width: var(--container);
  margin: 0 auto;
  background: var(--primary-hi);
  border-radius: var(--r-3);
  padding: clamp(48px, 5vw, 80px);
  color: var(--white);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: center;
}
.ins-newsletter-card::after {
  content: "";
  position: absolute;
  bottom: -40%;
  right: -10%;
  width: 60%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  opacity: 0.4;
  z-index: -1;
  filter: blur(40px);
  animation: cta-glow 12s ease-in-out infinite;
}
@keyframes cta-glow {
  0%, 100% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.15) translate(-4%, 4%); }
}
.ins-newsletter-card h2 {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0 0 var(--s-4);
  max-width: 14ch;
}
.ins-newsletter-card h2 em { font-style: normal; color: var(--accent); font-weight: 500; }
.ins-newsletter-card p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin: 0;
  max-width: 420px;
  font-weight: 300;
}
.ins-newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ins-newsletter-row {
  display: flex;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--r-pill);
  padding: 6px 6px 6px 22px;
  align-items: center;
  transition: all var(--t-fast);
}
.ins-newsletter-row:focus-within {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
}
.ins-newsletter-row input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: inherit;
  font-size: 15px;
  color: var(--white);
  padding: 12px 0;
  min-width: 0;
}
.ins-newsletter-row input::placeholder { color: rgba(255,255,255,0.5); }
.ins-newsletter-row button {
  background: var(--accent);
  color: var(--black-rock);
  border: 0;
  border-radius: var(--r-pill);
  padding: 12px 22px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--t-fast), background var(--t-fast);
  white-space: nowrap;
}
.ins-newsletter-row button:hover { transform: translateX(2px); background: var(--white); }
.ins-newsletter-row button.success {
  background: var(--white);
  color: var(--rainbow-indigo);
}
.ins-newsletter-fineprint {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
}
.ins-newsletter-success {
  font-size: 14px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  animation: lead-in 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
@media (max-width: 900px) {
  .ins-newsletter-card { grid-template-columns: 1fr; }
}

/* ===== READING VIEW (overlay) ===== */
.ins-reader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  overflow-y: auto;
  animation: reader-in 480ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes reader-in {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: none; }
}
.ins-reader-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--accent);
  z-index: 1010;
  transition: width 80ms linear;
}
.ins-reader-head {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
  z-index: 100;
}
.ins-reader-head-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.ins-reader-back {
  background: transparent;
  border: 0;
  font-family: inherit;
  font-size: 14px;
  color: var(--fg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-left: -12px;
  border-radius: var(--r-2);
  transition: all var(--t-fast);
}
.ins-reader-back:hover { background: var(--bg-alt); color: var(--fg); }
.ins-reader-back svg { width: 16px; height: 16px; }
.ins-reader-share {
  display: flex;
  gap: 4px;
}
.ins-reader-share button {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  display: grid; place-items: center;
  transition: all var(--t-fast);
}
.ins-reader-share button:hover { border-color: var(--fg); color: var(--fg); }
.ins-reader-share button svg { width: 14px; height: 14px; }

.ins-reader-hero {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--s-7) var(--gutter) var(--s-5);
}
.ins-reader-hero .meta {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: var(--s-5);
  font-weight: 500;
}
.ins-reader-hero .meta .cat { color: var(--primary-hi); }
.ins-reader-hero h1 {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--s-5);
  text-wrap: balance;
}
.ins-reader-hero h1 em { font-style: normal; color: var(--primary-hi); font-weight: 500; }
.ins-reader-hero .deck {
  font-size: clamp(18px, 1.4vw, 22px);
  color: var(--fg-muted);
  line-height: 1.5;
  margin: 0 0 var(--s-6);
  max-width: 56ch;
}
.ins-reader-hero .author-row {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-top: var(--s-4);
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--fg-muted);
}
.ins-reader-hero .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-hi), var(--accent));
  flex-shrink: 0;
}
.ins-reader-hero .author-row strong {
  color: var(--fg); font-weight: 500; display: block;
  margin-bottom: 2px;
}

.ins-reader-cover {
  max-width: 1100px;
  margin: 0 auto var(--s-7);
  padding: 0 var(--gutter);
}
.ins-reader-cover-inner {
  aspect-ratio: 16/8;
  border-radius: var(--r-3);
  overflow: hidden;
  position: relative;
  background: var(--black-rock);
}
.ins-reader-cover-inner svg {
  width: 100%; height: 100%;
}

.ins-reader-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--gutter) var(--s-9);
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg);
}
.ins-reader-body p { margin: 0 0 var(--s-5); }
.ins-reader-body h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: var(--s-7) 0 var(--s-4);
  text-wrap: balance;
}
.ins-reader-body h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.005em;
  margin: var(--s-6) 0 var(--s-3);
}
.ins-reader-body ul, .ins-reader-body ol {
  padding-left: 22px;
  margin: 0 0 var(--s-5);
}
.ins-reader-body li { margin-bottom: 8px; }
.ins-reader-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin: var(--s-6) 0;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--fg);
  font-style: normal;
}
.ins-reader-body code {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: var(--font-mono);
}
.ins-reader-body strong { font-weight: 500; }
.ins-reader-body a { color: var(--primary-hi); text-decoration: underline; text-underline-offset: 4px; }
.ins-reader-body .takeaway {
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-2);
  padding: var(--s-5);
  margin: var(--s-6) 0;
}
.ins-reader-body .takeaway strong {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}
.ins-reader-body .takeaway p { margin: 0; font-size: 17px; }

/* End-of-article block */
.ins-reader-end {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--s-7) var(--gutter);
  border-top: 1px solid var(--rule);
}
.ins-reader-end-author {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: var(--s-7);
}
.ins-reader-end-author .avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-hi), var(--accent));
  flex-shrink: 0;
}
.ins-reader-end-author strong { display: block; font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.ins-reader-end-author span { color: var(--fg-muted); font-size: 14px; line-height: 1.5; }

.ins-reader-related {
  padding: var(--s-7) var(--gutter) var(--s-9);
  background: var(--bg-alt);
  border-top: 1px solid var(--rule);
}
.ins-reader-related-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.ins-reader-related h3 {
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 var(--s-5);
  letter-spacing: -0.005em;
}
.ins-reader-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
@media (max-width: 900px) { .ins-reader-related-grid { grid-template-columns: 1fr; } }

/* Lock body scroll when reader is open */
body.reader-open { overflow: hidden; }

/* ===== COPY TOAST ===== */
.ins-copy-toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100001;
  background: var(--black-rock, #0F0A1F);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--r-pill, 100px);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.1);
  animation: ins-toast-in 0.4s cubic-bezier(0.16, 1, 0.3, 1), ins-toast-out 0.4s ease 2.6s forwards;
  white-space: nowrap;
}
.ins-copy-toast svg {
  color: var(--accent, #BAEF26);
  flex-shrink: 0;
}
@keyframes ins-toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes ins-toast-out {
  from { opacity: 1; transform: translateX(-50%) translateY(0); }
  to   { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* ===== PDF MODAL ===== */
.ins-pdf-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter, 24px);
  animation: fadeIn 0.25s ease;
}
.ins-pdf-modal {
  background: var(--bg, #fff);
  border: 1px solid var(--rule, rgba(0,0,0,0.1));
  border-radius: var(--r-3, 16px);
  padding: clamp(28px, 4vw, 44px);
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.ins-pdf-modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--primary-hi, #6911DF) 12%, transparent);
  color: var(--primary-hi, #6911DF);
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
}
.ins-pdf-modal h4 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--fg);
}
.ins-pdf-modal p {
  font-size: 15px;
  color: var(--fg-muted);
  margin: 0 0 28px;
  line-height: 1.5;
}
.ins-pdf-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}
.ins-pdf-btn {
  padding: 12px 24px;
  border-radius: var(--r-pill, 100px);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.ins-pdf-btn--confirm {
  background: var(--accent, #BAEF26);
  color: var(--black-rock, #0F0A1F);
  border-color: var(--accent, #BAEF26);
}
.ins-pdf-btn--confirm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent, #BAEF26) 35%, transparent);
}
.ins-pdf-btn--cancel {
  background: transparent;
  color: var(--fg-muted);
  border-color: var(--rule, rgba(0,0,0,0.1));
}
.ins-pdf-btn--cancel:hover {
  border-color: var(--fg);
  color: var(--fg);
}


/* ===================================================================
 * INTRO SECTION — text block after hero, before filters
 * =================================================================== */
.ins-intro {
  padding: var(--s-8) var(--gutter);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--rule);
}
.ins-intro-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.ins-intro h2 { margin: 0; text-wrap: balance; }
.ins-intro-lead {
  font-size: clamp(16px, 1.2vw, 18px);
  color: var(--fg-muted);
  line-height: 1.6;
  font-weight: 300;
  margin: 0;
  max-width: 64ch;
  align-self: center;
}
.ins-intro-filter {
  font-size: 14px;
  color: var(--fg-faint);
  font-weight: 400;
  margin: var(--s-3) 0 0;
  letter-spacing: 0.02em;
}


/* ===================================================================
 * SAUTER NEWS — ShuffleHero style (text left + grid right)
 * =================================================================== */
.ins-sauter-news {
  padding: var(--s-9) var(--gutter);
  background: var(--bg-alt);
  border-block: 1px solid var(--rule);
  overflow: hidden;
}
.ins-sauter-news-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
.ins-sauter-news-text {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.ins-sauter-news-text .eyebrow {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.ins-sauter-news-text .eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
  animation: ins-nl-pulse 2.4s ease-out infinite;
}
.ins-sauter-news-text h2 { margin: 0; }
.ins-sauter-news-text p {
  font-size: clamp(16px, 1.2vw, 18px);
  color: var(--fg-muted);
  line-height: 1.6;
  font-weight: 300;
  max-width: 48ch;
  margin: 0;
}
.ins-sauter-news-text .btn { align-self: flex-start; margin-top: var(--s-3); }

.ins-sauter-news-grid {
  position: relative;
  display: flex;
  justify-content: center;
}

@media (max-width: 900px) {
  .ins-sauter-news-inner { grid-template-columns: 1fr; }
  .ins-sauter-news-text { text-align: center; align-items: center; }
  .ins-sauter-news-text p { max-width: 100%; }
  .ins-sauter-news-text .btn { align-self: center; }
  .ins-sauter-news-grid { max-width: 400px; margin: 0 auto; }
}


/* ===================================================================
 * SHUFFLE GRID — 4x4 tiles with smooth position swap
 * =================================================================== */
.shuffle-grid {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-height: 480px;
  border-radius: var(--r-3);
  overflow: hidden;
}
.shuffle-tile {
  position: absolute;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
  transition: left 1.6s cubic-bezier(0.16, 1, 0.3, 1),
              top 1.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: left, top;
  overflow: hidden;
}
.shuffle-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--primary-hi) 8%, transparent) 0%,
    transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.shuffle-tile:hover::after { opacity: 1; }

/* === MOBILE FIXES === */
@media (max-width: 640px) {
  .ins-card { min-height: 320px; }
}
.ins-pag-arrow { min-width: 44px; min-height: 44px; }
.ins-pag-num { min-width: 44px; min-height: 44px; }
.clear { min-width: 44px; min-height: 44px; display: grid; place-items: center; }
.ins-share-btn { min-width: 44px; min-height: 44px; }
.ins-copy-toast { max-width: calc(100vw - 48px); white-space: normal; }