/* ═══════════════════════════════════════════════════════
   REALIZZATI BRAND BOOK — DESIGN SYSTEM CSS
   ═══════════════════════════════════════════════════════ */

/* ── TOKENS ───────────────────────────────────────────── */
:root {
  --color-pure-dark:  #1D1311;
  --color-espresso:   #352520;
  --color-sand-gold:  #C4A482;
  --color-border:     #DFD1C1;
  --color-cream:      #FAF8F5;
  --color-muted:      rgba(250,248,245,0.55);
  --color-gold-glow:  rgba(196,164,130,0.15);
  --color-gold-line:  rgba(223,209,193,0.2);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --text-xs:   0.70rem;
  --text-sm:   0.825rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;

  --sidebar-width: 272px;
  --transition: cubic-bezier(0.32, 0.72, 0, 1);
}

/* ── RESET ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  font-family: var(--font-body);
  background: var(--color-pure-dark);
  color: var(--color-cream);
  line-height: 1.7;
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── SCROLLBAR ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-pure-dark); }
::-webkit-scrollbar-thumb { background: var(--color-espresso); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-sand-gold); }

/* ════════════════════════════════════════════════════════
   SIDEBAR
═════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-espresso);
  border-right: 1px solid var(--color-gold-line);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.35s var(--transition);
}

/* Logo área */
.sidebar-header {
  padding: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--color-gold-line);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-sand-gold), #a88560);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-pure-dark);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-cream);
  letter-spacing: 0.02em;
}

.logo-subtitle {
  font-size: var(--text-xs);
  color: var(--color-sand-gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Nav */
.sidebar-nav {
  padding: var(--space-lg) 0;
  flex: 1;
}

.nav-group {
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-md);
}

.nav-group-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  padding: 0 var(--space-sm);
  margin-bottom: var(--space-sm);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.45rem var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 2px;
}

.nav-link:hover {
  color: var(--color-cream);
  background: var(--color-gold-glow);
}

.nav-link.active {
  color: var(--color-sand-gold);
  background: rgba(196,164,130,0.12);
}

.nav-link--sub {
  font-size: var(--text-xs);
  font-weight: 400;
  padding-left: calc(var(--space-sm) + 1.1rem);
  color: rgba(250,248,245,0.4);
}

.nav-link--sub:hover { color: var(--color-muted); }
.nav-link--sub.active { color: var(--color-sand-gold); }

.nav-icon {
  font-size: 0.5rem;
  color: var(--color-sand-gold);
  flex-shrink: 0;
}

.sidebar-toggle {
  display: none;
  position: absolute;
  top: var(--space-lg);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--color-muted);
  font-size: var(--text-lg);
  cursor: pointer;
  padding: 0.25rem;
}

/* ════════════════════════════════════════════════════════
   MAIN CONTENT
═════════════════════════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
}

/* ── HERO ─────────────────────────────────────────────── */
.hero {
  padding: var(--space-3xl) var(--space-3xl) var(--space-2xl);
  border-bottom: 1px solid var(--color-gold-line);
  background: linear-gradient(160deg, var(--color-espresso) 0%, var(--color-pure-dark) 60%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: 'R';
  position: absolute;
  right: var(--space-3xl);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 18rem;
  font-weight: 700;
  color: rgba(196,164,130,0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-cream);
  margin-bottom: var(--space-lg);
}

.hero-title em {
  font-style: italic;
  color: var(--color-sand-gold);
}

.hero-desc {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.hero-meta {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero-badge {
  padding: 0.3rem var(--space-md);
  border: 1px solid var(--color-gold-line);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-sand-gold);
  background: var(--color-gold-glow);
}

/* ── CONTENT SECTIONS ─────────────────────────────────── */
.content-section {
  padding: var(--space-3xl);
  border-bottom: 1px solid var(--color-gold-line);
  max-width: 900px;
}

.section-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.section-intro {
  font-size: var(--text-base);
  color: var(--color-muted);
  margin-bottom: var(--space-2xl);
  max-width: 640px;
  line-height: 1.8;
}

/* ── TWO-COL CARDS ────────────────────────────────────── */
.two-col-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.bezel-card {
  background: var(--color-espresso);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-xl);
  padding: 3px;
  transition: transform 0.3s var(--transition), box-shadow 0.3s ease;
}

.bezel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.card-inner {
  background: linear-gradient(135deg, rgba(53,37,32,0.6), rgba(29,19,17,0.8));
  border: 1px solid rgba(196,164,130,0.08);
  border-radius: calc(var(--radius-xl) - 3px);
  padding: var(--space-xl);
}

.card-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.card-inner h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.card-inner p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* ── PROFILE CARDS ────────────────────────────────────── */
.profile-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.profile-card {
  background: rgba(53,37,32,0.5);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.profile-card--premium {
  background: linear-gradient(135deg, rgba(196,164,130,0.08), rgba(53,37,32,0.5));
  border-color: rgba(196,164,130,0.35);
}

.profile-range {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-sm);
}

.profile-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-gold-line);
}

.profile-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.profile-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.profile-item .label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250,248,245,0.4);
}

.profile-item span:not(.label) {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

.highlight {
  color: var(--color-sand-gold) !important;
  font-weight: 500;
}

/* ── PILLARS ──────────────────────────────────────────── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.pillar {
  padding: var(--space-xl);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  background: rgba(53,37,32,0.3);
  transition: background 0.3s ease;
}

.pillar:hover { background: rgba(53,37,32,0.6); }

.pillar-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: rgba(196,164,130,0.2);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.pillar p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* ── VOC TABLE ────────────────────────────────────────── */
.voc-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
}

.voc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.voc-table thead tr {
  background: rgba(196,164,130,0.1);
  border-bottom: 1px solid var(--color-gold-line);
}

.voc-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  white-space: nowrap;
}

.voc-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(223,209,193,0.08);
  color: var(--color-muted);
  line-height: 1.6;
}

.voc-table tr:last-child td { border-bottom: none; }
.voc-table tr:hover td { background: rgba(196,164,130,0.04); }

.avoid {
  color: rgba(250,248,245,0.35);
  text-decoration: line-through;
  text-decoration-color: rgba(250,100,100,0.4);
}

.prefer {
  color: var(--color-cream);
  font-weight: 500;
}

/* ── COPY CARDS ───────────────────────────────────────── */
.copy-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.copy-card {
  background: rgba(53,37,32,0.4);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.copy-card--premium {
  background: linear-gradient(135deg, rgba(196,164,130,0.07), rgba(53,37,32,0.4));
  border-color: rgba(196,164,130,0.3);
}

.copy-range {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-gold-line);
}

.copy-field {
  margin-bottom: var(--space-md);
}

.copy-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250,248,245,0.35);
  margin-bottom: 0.25rem;
}

.copy-field p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

.copy-headline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg) !important;
  color: var(--color-cream) !important;
}

.copy-cta {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-gold-line);
  font-size: var(--text-sm);
  color: var(--color-sand-gold);
}

.copy-cta em { color: var(--color-cream); font-style: normal; }

/* ── OBJECTIONS ───────────────────────────────────────── */
.objections {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.objection {
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.objection-q {
  padding: var(--space-lg) var(--space-xl);
  background: rgba(53,37,32,0.5);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-cream);
  border-bottom: 1px solid var(--color-gold-line);
}

.objection-a {
  padding: var(--space-lg) var(--space-xl);
  background: rgba(29,19,17,0.4);
}

.objection-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-sm);
  padding: 0.2rem 0.6rem;
  background: rgba(196,164,130,0.1);
  border-radius: var(--radius-sm);
}

.objection-a p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

/* ── COLOR PALETTE ────────────────────────────────────── */
.color-palette {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.color-swatch {
  display: grid;
  grid-template-columns: 200px 1fr;
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s var(--transition), box-shadow 0.25s ease;
}

.color-swatch:hover {
  transform: translateX(4px);
  box-shadow: -4px 0 0 var(--color-sand-gold);
}

.swatch-preview {
  min-height: 140px;
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  transition: filter 0.2s ease;
}

.color-swatch:hover .swatch-preview { filter: brightness(1.08); }

.swatch-copy-hint {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(250,248,245,0.7);
  background: rgba(0,0,0,0.35);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.color-swatch:hover .swatch-copy-hint { opacity: 1; }

.swatch-info {
  padding: var(--space-lg) var(--space-xl);
  background: rgba(53,37,32,0.3);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.swatch-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
}

.swatch-hex {
  font-family: 'Courier New', monospace;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-sand-gold);
  letter-spacing: 0.08em;
}

.swatch-hsl {
  font-size: var(--text-xs);
  color: rgba(250,248,245,0.35);
  font-family: 'Courier New', monospace;
}

.swatch-usage {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-gold-line);
  margin-top: auto;
}

.swatch-donts {
  font-size: var(--text-xs);
  color: rgba(250,248,245,0.4);
  line-height: 1.6;
  padding: var(--space-sm) var(--space-md);
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(220,80,80,0.4);
}

.dont-label {
  display: inline-block;
  font-weight: 700;
  color: rgba(220,100,100,0.7);
  margin-right: var(--space-sm);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Toast */
.copy-toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: var(--color-sand-gold);
  color: var(--color-pure-dark);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-md) var(--space-xl);
  border-radius: 999px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s var(--transition);
  pointer-events: none;
  z-index: 999;
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── TYPOGRAPHY ───────────────────────────────────────── */
.type-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.type-card {
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(53,37,32,0.3);
}

.type-sample {
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  font-size: clamp(2rem, 4vw, 3rem);
  background: rgba(53,37,32,0.5);
  border-bottom: 1px solid var(--color-gold-line);
  line-height: 1;
}

.type-sample--serif {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-cream);
}

.type-sample--sans {
  font-family: var(--font-body);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-cream);
}

.type-meta {
  padding: var(--space-lg) var(--space-xl);
}

.type-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: 0.25rem;
}

.type-use {
  font-size: var(--text-xs);
  color: var(--color-sand-gold);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.type-weights {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.type-weights span {
  font-size: var(--text-xs);
  padding: 0.2rem 0.6rem;
  background: rgba(196,164,130,0.1);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
}

.type-note {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

/* ── TOKENS ───────────────────────────────────────────── */
.token-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.token-group {
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.token-group-title {
  padding: var(--space-md) var(--space-lg);
  background: rgba(196,164,130,0.08);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  border-bottom: 1px solid var(--color-gold-line);
}

.token-list { padding: var(--space-sm) 0; }

.token-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem var(--space-lg);
  gap: var(--space-md);
  border-bottom: 1px solid rgba(223,209,193,0.05);
  transition: background 0.15s ease;
}

.token-row:last-child { border-bottom: none; }
.token-row:hover { background: rgba(196,164,130,0.04); }

.token-row code {
  font-size: var(--text-xs);
  color: var(--color-sand-gold);
  font-family: 'Courier New', monospace;
}

.token-row span {
  font-size: var(--text-xs);
  color: var(--color-muted);
  font-family: 'Courier New', monospace;
  text-align: right;
}

/* ── COMPONENT RULES ──────────────────────────────────── */
.component-rules {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.rule-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  background: rgba(53,37,32,0.3);
}

.rule-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(196,164,130,0.2);
  line-height: 1;
}

.rule-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.rule-content p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.rule-content code {
  background: rgba(196,164,130,0.1);
  color: var(--color-sand-gold);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.8em;
  font-family: 'Courier New', monospace;
}

.rule-example {
  margin-top: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-pure-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Double-bezel demo */
.demo-bezel {
  background: var(--color-espresso);
  border: 1px solid rgba(223,209,193,0.2);
  border-radius: var(--radius-xl);
  padding: 3px;
  width: 220px;
}

.demo-bezel-inner {
  background: rgba(29,19,17,0.8);
  border: 1px solid rgba(196,164,130,0.08);
  border-radius: calc(var(--radius-xl) - 3px);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-sand-gold);
  font-family: var(--font-display);
  font-style: italic;
}

/* Button demo */
.demo-button {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: space-between;
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-xl);
  background: var(--color-sand-gold);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-pure-dark);
  transition: all 0.3s var(--transition);
}

.demo-button:hover { background: #d4b592; }

.demo-btn-icon {
  width: 32px;
  height: 32px;
  background: var(--color-pure-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  flex-shrink: 0;
  transition: transform 0.3s var(--transition);
}

.demo-button:hover .demo-btn-icon { transform: translate(2px, -2px); }

/* ── CHECKLIST ────────────────────────────────────────── */
.checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.checklist-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  background: rgba(53,37,32,0.3);
  align-items: flex-start;
}

.check-icon {
  width: 36px;
  height: 36px;
  background: rgba(196,164,130,0.12);
  border: 1px solid rgba(196,164,130,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-sand-gold);
  flex-shrink: 0;
}

.check-content h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-sm);
}

.check-content p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

/* ── AGENT RULES ──────────────────────────────────────── */
.agent-rules {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.agent-rule {
  padding: var(--space-xl);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  background: rgba(53,37,32,0.3);
}

.agent-rule--critical {
  border-color: rgba(220,80,80,0.35);
  background: rgba(80,20,20,0.2);
}

.agent-rule-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sand-gold);
  margin-bottom: var(--space-md);
  display: inline-block;
  padding: 0.2rem 0.7rem;
  background: rgba(196,164,130,0.1);
  border-radius: var(--radius-sm);
}

.agent-rule--critical .agent-rule-tag {
  color: rgba(240,120,100,0.9);
  background: rgba(220,80,80,0.1);
}

.agent-rule h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}

.agent-rule p, .agent-rule li {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

.agent-rule ul {
  padding-left: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.agent-rule code {
  background: rgba(196,164,130,0.1);
  color: var(--color-sand-gold);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  font-family: 'Courier New', monospace;
}

.agent-examples {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.agent-ex {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--text-sm);
  align-items: center;
}

/* ── ARCHITECTURE ─────────────────────────────────────── */
.arch-map {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.arch-item {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-md);
  background: rgba(53,37,32,0.3);
  align-items: center;
  transition: background 0.2s ease;
}

.arch-item:hover { background: rgba(53,37,32,0.5); }

.arch-path {
  font-family: 'Courier New', monospace;
  font-size: var(--text-sm);
  color: var(--color-sand-gold);
  font-weight: 600;
}

.arch-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.server-info {
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.server-info h3 {
  padding: var(--space-md) var(--space-lg);
  background: rgba(196,164,130,0.08);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-sand-gold);
  border-bottom: 1px solid var(--color-gold-line);
}

.server-details { padding: var(--space-sm) 0; }

.server-row {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: 0.6rem var(--space-lg);
  border-bottom: 1px solid rgba(223,209,193,0.05);
  font-size: var(--text-sm);
}

.server-row:last-child { border-bottom: none; }

.server-row code {
  font-family: 'Courier New', monospace;
  color: var(--color-sand-gold);
  background: rgba(196,164,130,0.1);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.server-row span { color: var(--color-muted); }
.server-row strong { color: var(--color-cream); }

/* ── FOOTER ───────────────────────────────────────────── */
.site-footer {
  padding: var(--space-2xl) var(--space-3xl);
  border-top: 1px solid var(--color-gold-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-sand-gold);
}

.site-footer p {
  font-size: var(--text-xs);
  color: rgba(250,248,245,0.25);
  letter-spacing: 0.1em;
}

/* ── MOBILE TOGGLE ────────────────────────────────────── */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 200;
  background: var(--color-espresso);
  border: 1px solid var(--color-gold-line);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-size: var(--text-xl);
  width: 44px;
  height: 44px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.mobile-menu-btn:hover { background: var(--color-sand-gold); color: var(--color-pure-dark); }

/* Overlay escuro (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  backdrop-filter: blur(2px);
}

/* ════════════════════════════════════════════════════════
   RESPONSIVO
═════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .two-col-cards,
  .profile-cards,
  .copy-cards,
  .type-showcase,
  .token-groups { grid-template-columns: 1fr; }

  .pillars-grid { grid-template-columns: 1fr 1fr; }

  .color-swatch { grid-template-columns: 160px 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle { display: flex; }

  .mobile-menu-btn { display: flex; }

  .sidebar-overlay { display: block; }
  .sidebar-overlay.hidden { display: none; }

  .main-content { margin-left: 0; }

  .hero,
  .content-section { padding: var(--space-2xl) var(--space-lg); }

  .pillars-grid { grid-template-columns: 1fr; }

  .rule-card { grid-template-columns: 1fr; gap: var(--space-md); }
  .rule-number { font-size: 2rem; }

  .color-swatch { grid-template-columns: 1fr; }
  .swatch-preview { min-height: 80px; }

  .arch-item { grid-template-columns: 1fr; gap: var(--space-sm); }

  .hero::before { display: none; }
}