/* Studio Cifratura EVIL — editoriale + laboratorio visivo */

.crypto-page {
  --cs-emerald: #00ff9c;
  --cs-cyan: #38bdf8;
  --cs-violet: #a78bfa;
  --cs-amber: #f59e0b;
  --cs-rose: #f472b6;
  --cs-surface: #06080e;
  --cs-glass: rgba(9, 14, 24, 0.78);
  --cs-border: rgba(255, 255, 255, 0.1);
  --cs-serif: Georgia, "Palatino Linotype", serif;
  --cs-mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

.crypto-page main {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 1.5rem) clamp(4rem, 8vw, 5rem);
  background: transparent;
}

/* ─── Backdrop (come home, leggero) ─── */
.cs-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: var(--cs-surface);
}

.cs-backdrop__mesh-wrap {
  --cs-mx: 0px;
  --cs-my: 0px;
  position: absolute;
  inset: -40%;
  width: 180%;
  height: 180%;
  transform: translate3d(var(--cs-mx), var(--cs-my), 0);
}

.cs-backdrop__mesh {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 42% 48% at 18% 22%, rgba(124, 58, 237, 0.18), transparent 58%),
    radial-gradient(ellipse 48% 52% at 82% 38%, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(ellipse 55% 45% at 45% 88%, rgba(0, 255, 156, 0.08), transparent 52%);
  animation: csMesh 28s ease-in-out infinite alternate;
}

@keyframes csMesh {
  to { transform: translate(-2%, 1.5%) scale(1.03); }
}

.cs-backdrop__beams {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background: repeating-linear-gradient(105deg, transparent, transparent 80px, rgba(255,255,255,0.012) 80px, rgba(255,255,255,0.012) 81px);
  animation: csBeams 40s linear infinite;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 20%, transparent 75%);
}

@keyframes csBeams {
  to { transform: translateX(80px); }
}

/* ─── Tipografia condivisa ─── */
.cs-kicker {
  margin: 0 0 0.45rem;
  font-family: var(--cs-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cs-amber);
}

.cs-section-head {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.cs-section-head h2 {
  margin: 0;
  font-family: var(--cs-serif);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 400;
  color: #f1f5f9;
}

.cs-section-head p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: #64748b;
  max-width: 40em;
}

/* ─── Hero editoriale ─── */
.cs-hero--editorial {
  position: relative;
  min-height: min(72vh, 640px);
  display: flex;
  align-items: center;
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}

.cs-hero-stripe {
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 72px;
  background: linear-gradient(180deg, var(--cs-emerald), var(--cs-violet));
  border-radius: 2px;
  opacity: 0.85;
}

.cs-hero-issue {
  position: absolute;
  top: 0.5rem;
  right: 0;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #475569;
}

.cs-hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) 1px minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
  width: 100%;
}

.cs-hero-divide {
  width: 1px;
  height: min(280px, 50vh);
  background: linear-gradient(180deg, transparent, rgba(0, 255, 156, 0.35), rgba(167, 139, 250, 0.25), transparent);
  justify-self: center;
}

.cs-hero-title {
  margin: 0;
  font-family: var(--cs-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #f8fafc;
}

.cs-hero-meta {
  display: block;
  margin-top: 0.85rem;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #64748b;
}

.cs-hero-brand-col > *,
.cs-hero-main-col > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.cs-hero.hero-ready .cs-hero-brand-col > *,
.cs-hero.hero-ready .cs-hero-main-col > * {
  opacity: 1;
  transform: none;
}

.cs-hero.hero-ready .cs-kicker { transition-delay: 0.05s; }
.cs-hero.hero-ready .cs-hero-title { transition-delay: 0.12s; }
.cs-hero.hero-ready .cs-hero-meta { transition-delay: 0.18s; }
.cs-hero.hero-ready .cs-hero-punch { transition-delay: 0.1s; }
.cs-hero.hero-ready .cs-hero-lead { transition-delay: 0.2s; }
.cs-hero.hero-ready .cs-hero-cta { transition-delay: 0.28s; }

.cs-hero-punch {
  margin: 0 0 1.25rem;
  padding: 0;
  border: none;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.15rem 0.35rem;
}

.cs-punch-mark {
  font-family: var(--cs-serif);
  font-size: 2.5rem;
  line-height: 0.85;
  color: rgba(0, 255, 156, 0.35);
}

.cs-punch-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-align: left;
}

.cs-punch-lead {
  font-family: var(--cs-serif);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  color: #e2e8f0;
  line-height: 1.2;
}

.cs-punch-accent em {
  font-style: normal;
  color: var(--cs-emerald);
  text-shadow: 0 0 24px rgba(0, 255, 156, 0.35);
}

.cs-hero-lead {
  margin: 0 0 1.35rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: #94a3b8;
}

.cs-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.cs-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-family: var(--cs-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.cs-cta--primary {
  background: rgba(0, 255, 156, 0.12);
  border: 1px solid rgba(0, 255, 156, 0.45);
  color: #6ee7b7;
}

.cs-cta--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 255, 156, 0.2);
}

.cs-cta--ghost {
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #94a3b8;
  background: rgba(9, 14, 24, 0.5);
}

.cs-cta--ghost:hover {
  border-color: rgba(167, 139, 250, 0.4);
  color: #e9d5ff;
}

.cs-cta--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.6rem;
}

.cs-scroll-hint {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #475569;
  animation: csScrollHint 2.5s ease-in-out infinite;
}

@keyframes csScrollHint {
  0%, 100% { opacity: 0.45; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(5px); }
}

/* ─── Jump nav ─── */
.cs-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.cs-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--cs-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #64748b;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.cs-jump-link:hover {
  border-color: rgba(0, 255, 156, 0.35);
  color: #94a3b8;
}

.cs-jump-num {
  color: var(--cs-emerald);
  font-weight: 700;
}

/* ─── Reveal ─── */
.cs-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.cs-reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ─── Laboratorio ─── */
.cs-showcase {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.cs-lab-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .cs-lab-grid { grid-template-columns: 1fr; }
}

.cs-lab-panel {
  border-radius: 16px;
  border: 1px solid rgba(167, 139, 250, 0.22);
  background: linear-gradient(155deg, rgba(9, 14, 24, 0.94), rgba(12, 18, 32, 0.88));
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.cs-lab-chrome {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cs-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.cs-dot--red { background: #f87171; }
.cs-dot--amber { background: #fbbf24; }
.cs-dot--green { background: #34d399; }

.cs-lab-chrome__title {
  margin-left: 0.35rem;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: #64748b;
}

.cs-lab-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cs-field label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-amber);
}

.cs-field textarea,
.cs-field select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.35);
  font-family: var(--cs-mono);
  font-size: 0.76rem;
  color: #f1f5f9;
  outline: none;
}

.cs-field textarea {
  min-height: 80px;
  resize: vertical;
}

.cs-field textarea:focus,
.cs-field select:focus {
  border-color: rgba(167, 139, 250, 0.45);
}

.cs-flip-btn {
  margin-top: 0.45rem;
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  border: 1px solid rgba(244, 114, 182, 0.35);
  background: rgba(244, 114, 182, 0.08);
  color: #f9a8d4;
  cursor: pointer;
}

.cs-flip-btn:hover {
  background: rgba(244, 114, 182, 0.15);
}

.cs-hash-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cs-hash-label {
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
}

.cs-hash-out {
  padding: 0.85rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 255, 156, 0.15);
  font-family: var(--cs-mono);
  font-size: 0.72rem;
  line-height: 1.65;
  color: #6ee7b7;
  word-break: break-all;
  min-height: 2.8rem;
}

.cs-hash-out.is-computing { color: #64748b; }

.cs-hash-char.is-diff {
  color: var(--cs-rose);
  background: rgba(244, 114, 182, 0.15);
  border-radius: 2px;
}

.cs-lab-note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.55;
  color: #64748b;
}

.cs-lab-note strong { color: var(--cs-rose); }

/* Visual digest panel */
.cs-lab-visual {
  border-radius: 16px;
  border: 1px solid rgba(0, 255, 156, 0.2);
  background: linear-gradient(160deg, rgba(4, 12, 20, 0.95), rgba(8, 16, 28, 0.9));
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(0, 255, 156, 0.06);
}

.cs-digest-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #64748b;
}

.cs-digest-algo {
  color: var(--cs-emerald);
}

.cs-digest-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  aspect-ratio: 1;
  max-height: 280px;
}

.cs-digest-cell {
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.35s ease, transform 0.25s ease, box-shadow 0.25s;
}

.cs-digest-cell.is-updating {
  transform: scale(1.08);
  box-shadow: 0 0 12px currentColor;
}

.cs-avalanche__label {
  margin: 0 0 0.5rem;
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-rose);
}

.cs-avalanche__lines {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cs-avalanche__line {
  display: block;
  font-family: var(--cs-mono);
  font-size: 0.62rem;
  color: #64748b;
  word-break: break-all;
  line-height: 1.5;
}

.cs-avalanche__line .diff {
  color: var(--cs-rose);
  background: rgba(244, 114, 182, 0.12);
  padding: 0 2px;
  border-radius: 2px;
}

/* ─── Famiglie ─── */
.cs-families {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.cs-family-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 820px) {
  .cs-family-grid { grid-template-columns: 1fr; }
}

.cs-family {
  --cs-f-accent: var(--cs-emerald);
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  min-height: 180px;
  padding: 0;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--cs-glass);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  color: inherit;
  transition: transform 0.28s, border-color 0.28s, box-shadow 0.28s;
}

.cs-family--hash { --cs-f-accent: var(--cs-emerald); border-color: rgba(0, 255, 156, 0.22); }
.cs-family--sym { --cs-f-accent: var(--cs-cyan); border-color: rgba(56, 189, 248, 0.22); }
.cs-family--asym { --cs-f-accent: var(--cs-violet); border-color: rgba(167, 139, 250, 0.22); }

.cs-family:hover,
.cs-family.is-selected {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  border-color: color-mix(in srgb, var(--cs-f-accent) 45%, transparent);
}

.cs-family-ring {
  position: absolute;
  inset: -1px;
  border-radius: 17px;
  padding: 1px;
  background: conic-gradient(from 0deg, var(--cs-f-accent), transparent 40%, var(--cs-f-accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.cs-family:hover .cs-family-ring,
.cs-family.is-selected .cs-family-ring {
  opacity: 0.7;
  animation: csRingSpin 8s linear infinite;
}

@keyframes csRingSpin {
  to { transform: rotate(360deg); }
}

.cs-family-deco {
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.25);
}

.cs-family-deco--hash {
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--cs-mono);
  font-size: 0.65rem;
}

.cs-hex-stream { color: #64748b; }
.cs-hex-stream--alt { color: var(--cs-rose); animation: csHexPulse 3s ease-in-out infinite; }

@keyframes csHexPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.cs-block-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  width: 72px;
}

.cs-block-grid span {
  aspect-ratio: 1;
  border-radius: 2px;
  background: rgba(56, 189, 248, 0.25);
  animation: csBlockShift 4s ease-in-out infinite;
}

.cs-block-grid span:nth-child(odd) { animation-delay: 0.3s; }
.cs-block-grid span:nth-child(3n) { background: rgba(0, 255, 156, 0.2); }

@keyframes csBlockShift {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(0.85); }
}

.cs-keypair {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--cs-mono);
  font-size: 0.65rem;
}

.cs-key {
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cs-key--pub { color: var(--cs-cyan); border-color: rgba(56, 189, 248, 0.35); }
.cs-key--priv { color: var(--cs-violet); border-color: rgba(167, 139, 250, 0.35); }
.cs-key-arrow { color: #64748b; animation: csKeySwap 2.5s ease-in-out infinite; }

@keyframes csKeySwap {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(3px); opacity: 1; }
}

.cs-family-body {
  padding: 1.1rem 1rem;
  display: flex;
  flex-direction: column;
}

.cs-family-tag {
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-f-accent);
  margin-bottom: 0.35rem;
}

.cs-family-body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--cs-serif);
  font-size: 1.1rem;
  color: #f1f5f9;
}

.cs-family-body p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.55;
  color: #94a3b8;
}

/* ─── TLS spotlight ─── */
.cs-spotlight {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.cs-tls-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: 200px;
  border-radius: 18px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: linear-gradient(135deg, rgba(8, 60, 90, 0.45), rgba(8, 12, 28, 0.98));
  overflow: hidden;
}

@media (max-width: 720px) {
  .cs-tls-card { grid-template-columns: 1fr; }
}

.cs-tls-shine {
  position: absolute;
  inset: -30%;
  background: conic-gradient(from 0deg, transparent, rgba(56, 189, 248, 0.08), transparent 120deg);
  animation: csRingSpin 20s linear infinite;
  pointer-events: none;
}

.cs-tls-deco {
  padding: 1.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
}

.cs-handshake {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.cs-handshake li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0;
  font-family: var(--cs-mono);
  font-size: 0.68rem;
  color: #475569;
  border-left: 2px solid rgba(255, 255, 255, 0.06);
  padding-left: 0.85rem;
  margin-left: 0.5rem;
  transition: color 0.3s, border-color 0.3s;
}

.cs-handshake li span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.cs-handshake li.is-active {
  color: var(--cs-cyan);
  border-left-color: var(--cs-cyan);
}

.cs-handshake li.is-active span {
  background: rgba(56, 189, 248, 0.15);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.cs-handshake li.is-done {
  color: #64748b;
  border-left-color: rgba(0, 255, 156, 0.3);
}

.cs-tls-body {
  padding: 1.35rem 1.25rem;
  position: relative;
  z-index: 1;
}

.cs-tls-body h3 {
  margin: 0 0 0.45rem;
  font-family: var(--cs-serif);
  font-size: 1.25rem;
  color: #fff;
}

.cs-tls-body p {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #94a3b8;
}

/* ─── Catalogo ─── */
.cs-catalog {
  margin-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

.cs-catalog-hint {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: #64748b;
}

.cs-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.cs-rail__btn {
  font-family: var(--cs-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: transparent;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.22s;
}

.cs-rail__btn:hover,
.cs-rail__btn.is-active {
  border-color: rgba(245, 158, 11, 0.45);
  color: #fcd34d;
  background: rgba(245, 158, 11, 0.08);
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
}

.cs-card {
  --cs-accent: var(--cs-violet);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto auto;
  column-gap: 0.75rem;
  row-gap: 0;
  width: 100%;
  text-align: left;
  padding: 1.2rem 1.25rem 1.35rem;
  border-radius: 12px;
  border: 1px solid var(--cs-border);
  background: var(--cs-glass);
  backdrop-filter: blur(8px);
  cursor: pointer;
  font: inherit;
  color: inherit;
  position: relative;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  animation: csCardIn 0.5s ease both;
  animation-delay: calc(var(--i, 0) * 0.03s);
}

.cs-card:focus-visible {
  outline: 2px solid rgba(167, 139, 250, 0.6);
  outline-offset: 2px;
}

.cs-card__rank {
  position: static;
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: start;
  justify-self: end;
  flex-shrink: 0;
  font-family: var(--cs-mono);
  font-size: 0.62rem;
  font-weight: 700;
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cs-rank--low { color: #fca5a5; border-color: rgba(248, 113, 113, 0.35); background: rgba(248, 113, 113, 0.08); }
.cs-rank--mid { color: #fcd34d; border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.08); }
.cs-rank--good { color: #7dd3fc; border-color: rgba(56, 189, 248, 0.35); background: rgba(56, 189, 248, 0.08); }
.cs-rank--top { color: #6ee7b7; border-color: rgba(0, 255, 156, 0.35); background: rgba(0, 255, 156, 0.08); }

.cs-card__open {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--cs-mono);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #475569;
  transition: color 0.2s;
}

.cs-card:hover .cs-card__open {
  color: var(--cs-accent);
}

@keyframes csCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.cs-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--cs-accent) 35%, transparent);
}

.cs-card[data-cat="hash"] { --cs-accent: var(--cs-emerald); }
.cs-card[data-cat="sym"] { --cs-accent: var(--cs-cyan); }
.cs-card[data-cat="asym"] { --cs-accent: var(--cs-violet); }
.cs-card[data-cat="tls"] { --cs-accent: var(--cs-amber); }

.cs-card__tag {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--cs-mono);
  font-size: 0.54rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-accent);
  margin-bottom: 0.35rem;
}

.cs-card h3 {
  grid-column: 1;
  grid-row: 2;
  margin: 0 0 0.45rem;
  padding-right: 0;
  font-family: var(--cs-serif);
  font-size: 1.05rem;
  line-height: 1.3;
  color: #f1f5f9;
}

.cs-card p,
.cs-card__meta,
.cs-card__open {
  grid-column: 1 / -1;
}

@media (min-width: 768px) and (max-width: 1100px) {
  .cs-card h3 {
    font-size: 0.98rem;
  }

  .cs-modal__head {
    grid-template-columns: 1fr auto;
    gap: 0.5rem 0.75rem;
  }

  .cs-modal__rank {
    grid-row: 1;
    grid-column: 2;
    align-self: start;
  }
}

.cs-card p {
  margin: 0 0 0.65rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #94a3b8;
}

.cs-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cs-card__pill {
  font-family: var(--cs-mono);
  font-size: 0.52rem;
  padding: 0.18rem 0.45rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  color: #64748b;
}

/* ─── Guida pratica ─── */
.cs-guide {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.cs-guide-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .cs-guide-layout { grid-template-columns: 1fr; }
}

.cs-guide-col {
  padding: 1.25rem 1.35rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 14, 24, 0.55);
}

.cs-guide-col--use {
  border-color: rgba(0, 255, 156, 0.22);
  box-shadow: inset 0 0 40px rgba(0, 255, 156, 0.03);
}

.cs-guide-col--avoid {
  border-color: rgba(248, 113, 113, 0.22);
  box-shadow: inset 0 0 40px rgba(248, 113, 113, 0.03);
}

.cs-guide-col__title {
  margin: 0 0 0.85rem;
  font-family: var(--cs-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cs-guide-col--use .cs-guide-col__title { color: var(--cs-emerald); }
.cs-guide-col--avoid .cs-guide-col__title { color: #fca5a5; }

.cs-guide-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.cs-guide-list li {
  font-size: 0.82rem;
  line-height: 1.55;
  color: #94a3b8;
  padding-left: 1rem;
  position: relative;
}

.cs-guide-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: #64748b;
}

.cs-guide-list strong {
  color: #e2e8f0;
  font-weight: 600;
}

/* ─── Modal scheda algoritmo ─── */
body.cs-modal-open {
  overflow: hidden;
}

.cs-modal {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 1.5rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s;
}

.cs-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.cs-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 5, 12, 0.82);
  backdrop-filter: blur(8px);
}

.cs-modal__panel {
  position: relative;
  width: min(720px, 100%);
  max-height: min(88vh, 820px);
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid rgba(167, 139, 250, 0.35);
  background: linear-gradient(165deg, rgba(9, 14, 24, 0.98), rgba(4, 8, 16, 0.99));
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}

.cs-modal.is-open .cs-modal__panel {
  transform: translateY(0) scale(1);
}

.cs-modal__head {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.75rem 1rem;
  align-items: start;
  padding: 1.25rem 1.35rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.25);
}

.cs-modal__cat {
  margin: 0 0 0.25rem;
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cs-amber);
}

.cs-modal__title {
  margin: 0;
  font-family: var(--cs-serif);
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  font-weight: 400;
  color: #f8fafc;
}

.cs-modal__rank {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 3.25rem;
  padding: 0.35rem 0.5rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.cs-modal__rank-num {
  font-family: var(--cs-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
}

.cs-modal__rank-label {
  font-family: var(--cs-mono);
  font-size: 0.5rem;
  color: #64748b;
}

.cs-modal__close {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: #94a3b8;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.cs-modal__close:hover {
  background: rgba(248, 113, 113, 0.15);
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.35);
}

.cs-modal__body {
  padding: 1.15rem 1.35rem 1.5rem;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.cs-modal-section {
  margin-bottom: 1.25rem;
}

.cs-modal-section h3 {
  margin: 0 0 0.5rem;
  font-family: var(--cs-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-emerald);
}

.cs-modal-section p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #94a3b8;
}

.cs-modal-eq {
  margin: 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: rgba(0, 0, 0, 0.45);
  font-family: var(--cs-mono);
  font-size: 0.72rem;
  line-height: 1.65;
  color: #7dd3fc;
  white-space: pre-wrap;
  overflow-x: auto;
}

.cs-modal-dl {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cs-modal-dl dt {
  font-family: var(--cs-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-amber);
  margin-bottom: 0.2rem;
}

.cs-modal-dl dd {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #94a3b8;
}

.cs-modal-procon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .cs-modal-procon { grid-template-columns: 1fr; }
  .cs-modal__head { grid-template-columns: 1fr auto; }
  .cs-modal__rank-wrap { grid-column: 1; grid-row: 2; justify-self: start; }
}

.cs-modal-section--pro h3 { color: #6ee7b7; }
.cs-modal-section--con h3 { color: #fca5a5; }

.cs-modal-section ul {
  margin: 0;
  padding: 0 0 0 1.1rem;
  font-size: 0.84rem;
  line-height: 1.55;
  color: #94a3b8;
}

.cs-modal-section--pro ul { list-style: none; padding: 0; }
.cs-modal-section--pro li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.cs-modal-section--pro li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--cs-emerald);
  font-weight: 700;
}

.cs-modal-section--con ul { list-style: none; padding: 0; }
.cs-modal-section--con li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.cs-modal-section--con li::before {
  content: '−';
  position: absolute;
  left: 0;
  color: #fca5a5;
  font-weight: 700;
}

.cs-modal-rank-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 0.65rem;
}

.cs-modal-rank-bar span {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.3s;
}

.cs-modal-rank-bar span.is-on {
  background: linear-gradient(90deg, var(--cs-emerald), var(--cs-cyan));
  box-shadow: 0 0 8px rgba(0, 255, 156, 0.35);
}

.cs-modal-rank-note {
  font-size: 0.82rem !important;
  font-style: italic;
  color: #64748b !important;
}

.cs-modal__rank.cs-rank--low .cs-modal__rank-num { color: #fca5a5; }
.cs-modal__rank.cs-rank--mid .cs-modal__rank-num { color: #fcd34d; }
.cs-modal__rank.cs-rank--good .cs-modal__rank-num { color: #7dd3fc; }
.cs-modal__rank.cs-rank--top .cs-modal__rank-num { color: #6ee7b7; }

/* ─── Compare (legacy rimosso) ─── */
.crypto-term {
  border-bottom: 1px dashed rgba(196, 181, 253, 0.5);
  color: #ddd6fe;
  cursor: help;
}

.crypto-term-tooltip {
  position: fixed;
  z-index: 10001;
  max-width: min(280px, calc(100vw - 24px));
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  border: 1px solid rgba(167, 139, 250, 0.4);
  background: rgba(4, 8, 16, 0.96);
  font-family: var(--cs-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  color: #cbd5e1;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s;
}

.crypto-term-tooltip.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ─── Responsive hero ─── */
@media (max-width: 768px) {
  .cs-hero-shell {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .cs-hero-divide {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 156, 0.3), transparent);
  }

  .cs-family {
    grid-template-columns: 1fr;
  }

  .cs-family-deco {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    min-height: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cs-backdrop__mesh,
  .cs-backdrop__beams,
  .cs-scroll-hint,
  .cs-family-ring,
  .cs-tls-shine,
  .cs-block-grid span,
  .cs-key-arrow {
    animation: none !important;
  }

  .cs-reveal,
  .cs-hero-brand-col > *,
  .cs-hero-main-col > * {
    opacity: 1;
    transform: none;
  }

  .cs-modal__panel {
    transform: none;
  }
}