/* ============================================================
   PBM / LLLT — Fotobiomodulação · UniSALESIANO
   Design: Dark Scientific · Precision Lab Aesthetic
   ============================================================ */

:root {
  --navy:      #0a0f1e;
  --navy-2:    #0d1528;
  --navy-3:    #111d35;
  --panel:     #0f1a2e;
  --panel-2:   #132040;
  --border:    #1e3354;
  --border-2:  #243d63;

  --teal:      #00b4c8;
  --teal-dim:  #007d8c;
  --mint:      #00e8b0;
  --cyan:      #38d9f5;
  --blue-acc:  #4d9fff;

  --text:      #e8f0f8;
  --text-2:    #9ab5d4;
  --text-3:    #5a7a9f;
  --text-inv:  #0a0f1e;

  --green:     #1a936f;
  --green-2:   #10b981;
  --amber:     #f59e0b;
  --red:       #ef4444;
  --purple:    #8b5cf6;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  --radius:    10px;
  --radius-lg: 18px;
  --shadow:    0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.6);
  --glow-teal: 0 0 24px rgba(0,180,200,0.25);
  --glow-cyan: 0 0 16px rgba(56,217,245,0.2);

  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── BACKGROUND ── */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0,180,200,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,200,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.bg-glow {
  position: fixed; pointer-events: none; z-index: 0;
  border-radius: 50%; filter: blur(120px);
}
.bg-glow-1 {
  width: 600px; height: 600px;
  top: -200px; left: -200px;
  background: rgba(0,180,200,0.07);
}
.bg-glow-2 {
  width: 500px; height: 500px;
  bottom: -150px; right: -150px;
  background: rgba(0,232,176,0.05);
}

/* ── HEADER ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,15,30,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.header-inner {
  max-width: 1400px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; gap: 24px;
  height: 64px;
}
.site-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text); flex-shrink: 0;
}
.logo-icon {
  font-size: 1.8rem; color: var(--teal);
  text-shadow: var(--glow-teal);
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 12px rgba(0,180,200,0.4); }
  50%       { text-shadow: 0 0 28px rgba(0,180,200,0.8); }
}
.logo-main { display: block; font-family: var(--font-mono); font-size: 0.9rem; color: var(--teal); font-weight: 700; letter-spacing: 2px; }
.logo-sub  { display: block; font-size: 0.68rem; color: var(--text-3); letter-spacing: 0.5px; margin-top: 1px; }

.main-nav {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto; overflow-x: auto;
}
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 8px;
  text-decoration: none; font-size: 0.8rem; font-weight: 500;
  color: var(--text-2); white-space: nowrap;
  transition: var(--transition); border: 1px solid transparent;
}
.nav-link:hover { color: var(--teal); background: rgba(0,180,200,0.08); border-color: rgba(0,180,200,0.2); }
.nav-link.active { color: var(--teal); background: rgba(0,180,200,0.12); border-color: rgba(0,180,200,0.35); }
.nav-icon { font-size: 0.85rem; }
.mobile-menu-btn { display: none; background: none; border: 1px solid var(--border); color: var(--text-2); padding: 8px 12px; border-radius: 8px; cursor: pointer; font-size: 1.1rem; }

.mobile-nav {
  display: none; position: fixed; top: 64px; inset-inline: 0; z-index: 99;
  background: rgba(10,15,30,0.97); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  flex-direction: column; padding: 12px;
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  padding: 12px 16px; text-decoration: none; color: var(--text-2);
  font-size: 0.9rem; border-radius: 8px; transition: var(--transition);
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--teal); background: rgba(0,180,200,0.1); }

/* ── LAYOUT ── */
.main-content { position: relative; z-index: 1; min-height: calc(100vh - 64px); }

.container { max-width: 1300px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1500px; margin: 0 auto; padding: 0 24px; }

.page-hero {
  padding: 72px 24px 48px;
  max-width: 1300px; margin: 0 auto;
}
.page-hero .overline {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: var(--teal);
  margin-bottom: 12px; display: block;
}
.page-hero h1 {
  font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 400; color: var(--text); line-height: 1.15;
  margin-bottom: 20px;
}
.page-hero h1 em { font-style: italic; color: var(--teal); }
.page-hero .lead {
  font-size: 1.1rem; color: var(--text-2); max-width: 680px; line-height: 1.75;
}

.section { padding: 48px 0; }
.section-title {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: var(--teal);
  margin-bottom: 8px;
}
.section-heading {
  font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text); margin-bottom: 32px; line-height: 1.2;
}

/* ── CARDS ── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 60%);
  pointer-events: none;
}
.card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ── EVIDENCE INDICATORS ── */
.stars { display: flex; gap: 3px; margin: 8px 0; }
.star { font-size: 1rem; }
.star.filled { color: var(--amber); }
.star.empty  { color: var(--border-2); }

.evidence-badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
}
.evidence-high        { background: rgba(26,147,111,0.2); color: #2ecc8e; border: 1px solid rgba(26,147,111,0.4); }
.evidence-moderate    { background: rgba(41,128,185,0.2); color: #5ba3d8; border: 1px solid rgba(41,128,185,0.4); }
.evidence-moderate-low{ background: rgba(245,158,11,0.2); color: #f6a623; border: 1px solid rgba(245,158,11,0.4); }
.evidence-low         { background: rgba(239,68,68,0.15); color: #f07070; border: 1px solid rgba(239,68,68,0.3); }

/* ── BADGES / CHIPS ── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
}
.badge-teal    { background: rgba(0,180,200,0.15); color: var(--teal); border: 1px solid rgba(0,180,200,0.3); }
.badge-mint    { background: rgba(0,232,176,0.12); color: var(--mint); border: 1px solid rgba(0,232,176,0.3); }
.badge-amber   { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.badge-red     { background: rgba(239,68,68,0.12); color: #f08080; border: 1px solid rgba(239,68,68,0.3); }
.badge-crefito { background: rgba(0,180,200,0.1); color: var(--teal); border: 1px solid rgba(0,180,200,0.25); font-family: var(--font-mono); font-size: 0.7rem; }

/* ── HIGHLIGHT BOXES ── */
.alert {
  padding: 16px 20px; border-radius: var(--radius);
  border-left: 4px solid; margin: 20px 0;
}
.alert-info    { background: rgba(0,180,200,0.08); border-color: var(--teal); }
.alert-success { background: rgba(26,147,111,0.08); border-color: var(--green); }
.alert-warning { background: rgba(245,158,11,0.08); border-color: var(--amber); }
.alert-danger  { background: rgba(239,68,68,0.08); border-color: var(--red); }
.alert p { color: var(--text-2); font-size: 0.9rem; }
.alert strong { color: var(--text); }

/* ── FORMULA DISPLAY ── */
.formula-block {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  text-align: center; font-family: var(--font-mono);
  position: relative; overflow: hidden;
}
.formula-block::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,180,200,0.06) 0%, transparent 70%);
}
.formula-main {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700;
  color: var(--mint); letter-spacing: -1px;
  text-shadow: 0 0 30px rgba(0,232,176,0.4);
  margin-bottom: 8px; display: block;
}
.formula-desc { font-size: 0.9rem; color: var(--text-2); letter-spacing: 1px; }

/* ── CHART CONTAINERS ── */
.chart-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}
.chart-title {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  color: var(--teal); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 4px;
}
.chart-subtitle { font-size: 0.83rem; color: var(--text-3); margin-bottom: 20px; }
.chart-canvas-wrap { position: relative; height: 300px; }

/* ── SIMULATOR ── */
.simulator-wrap {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.sim-controls {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px; margin-bottom: 28px;
}
.sim-group label {
  display: block; font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  color: var(--teal); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 8px;
}
.sim-group input[type=range] {
  width: 100%; height: 6px; border-radius: 3px;
  background: var(--border-2); outline: none; cursor: pointer;
  -webkit-appearance: none; appearance: none;
}
.sim-group input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--teal); cursor: pointer;
  box-shadow: 0 0 8px rgba(0,180,200,0.5);
}
.sim-group input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--teal); cursor: pointer; border: none;
  box-shadow: 0 0 8px rgba(0,180,200,0.5);
}
.sim-group select {
  width: 100%; padding: 8px 12px;
  background: var(--navy-3); border: 1px solid var(--border-2);
  color: var(--text); border-radius: 8px; font-size: 0.85rem;
  cursor: pointer; font-family: var(--font-body);
}
.sim-value {
  font-family: var(--font-mono); font-size: 1.3rem; font-weight: 700;
  color: var(--mint); margin-top: 4px;
}
.sim-value span { font-size: 0.75rem; color: var(--text-3); font-weight: 400; }

.sim-results {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px; margin-bottom: 28px;
}
.sim-result-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; text-align: center;
}
.sim-result-card .label {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700;
  color: var(--text-3); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 6px; display: block;
}
.sim-result-card .value {
  font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700;
  color: var(--teal);
}
.sim-result-card .unit { font-size: 0.75rem; color: var(--text-3); }

.window-indicator {
  padding: 16px 20px; border-radius: var(--radius);
  text-align: center; font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); margin-top: 16px;
}
.window-optimal  { background: rgba(26,147,111,0.2); color: #2ecc8e; border: 1px solid rgba(26,147,111,0.4); }
.window-low      { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.window-high     { background: rgba(239,68,68,0.12); color: #f08080; border: 1px solid rgba(239,68,68,0.3); }
.window-very-low { background: rgba(90,122,159,0.15); color: var(--text-2); border: 1px solid var(--border-2); }

/* ── MECHANISM TIMELINE ── */
.mechanism-flow {
  display: flex; flex-direction: column; gap: 0;
  position: relative;
}
.mechanism-flow::before {
  content: ''; position: absolute; left: 28px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--teal), var(--mint));
}
.mech-step {
  display: flex; gap: 24px; align-items: flex-start;
  padding: 20px 0; position: relative;
}
.mech-dot {
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0; z-index: 1;
  border: 2px solid;
  background: var(--panel);
}
.mech-content { flex: 1; padding-top: 8px; }
.mech-content h3 { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.mech-content p  { font-size: 0.88rem; color: var(--text-2); line-height: 1.65; }

/* ── PROTOCOL TABLE ── */
.proto-table { width: 100%; border-collapse: collapse; }
.proto-table th {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--teal);
  padding: 12px 16px; text-align: left;
  border-bottom: 2px solid var(--teal-dim); background: var(--panel-2);
}
.proto-table td {
  padding: 14px 16px; font-size: 0.85rem; color: var(--text-2);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.proto-table tr:hover td { background: rgba(0,180,200,0.03); color: var(--text); }
.proto-table .indication-cell { color: var(--text); font-weight: 500; }
.proto-table .wavelength-cell {
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--cyan);
}

/* ── WAVELENGTH SPECTRUM ── */
.spectrum-bar {
  display: flex; height: 48px; border-radius: var(--radius);
  overflow: hidden; margin: 24px 0;
}
.spectrum-segment {
  flex: 1; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  color: rgba(255,255,255,0.8); cursor: pointer; transition: var(--transition);
}
.spectrum-segment:hover { filter: brightness(1.3); flex: 1.5; }

/* ── CHECKLIST ── */
.checklist-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}
.check-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); transition: var(--transition);
  cursor: pointer;
}
.check-item:hover { border-color: var(--teal-dim); background: rgba(0,180,200,0.04); }
.check-icon {
  width: 24px; height: 24px; border-radius: 6px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; margin-top: 1px;
}
.check-icon.obrigatorio { background: rgba(0,232,176,0.15); color: var(--mint); border: 1px solid rgba(0,232,176,0.3); }
.check-icon.recomendado { background: rgba(245,158,11,0.12); color: var(--amber); border: 1px solid rgba(245,158,11,0.25); }
.check-text strong { font-size: 0.88rem; color: var(--text); display: block; }
.check-text span   { font-size: 0.76rem; color: var(--text-3); }

/* ── EQUIPMENT CARDS ── */
.equip-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px 28px;
  border-left: 4px solid;
  transition: var(--transition);
}
.equip-card:hover { transform: translateX(4px); box-shadow: var(--shadow); }
.equip-brand { font-family: var(--font-mono); font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.equip-models { font-size: 0.85rem; color: var(--text-2); margin-bottom: 12px; }
.equip-chips  { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.equip-chip   { padding: 3px 10px; border-radius: 4px; font-family: var(--font-mono); font-size: 0.68rem; background: rgba(0,180,200,0.08); color: var(--cyan); border: 1px solid rgba(0,180,200,0.2); }
.equip-desc   { font-size: 0.83rem; color: var(--text-3); line-height: 1.6; }

/* ── HOME HERO ── */
.hero-section {
  min-height: calc(100vh - 64px);
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 24px; max-width: 1300px; margin: 0 auto;
}
.hero-tag {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 4px; text-transform: uppercase; color: var(--teal);
  display: flex; align-items: center; gap: 10px; margin-bottom: 28px;
}
.hero-tag::before {
  content: ''; display: block; width: 40px; height: 2px;
  background: var(--teal);
}
.hero-h1 {
  font-family: var(--font-display); font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1.05; margin-bottom: 24px; color: var(--text);
}
.hero-h1 .accent { color: var(--teal); font-style: italic; display: block; }
.hero-desc {
  font-size: 1.15rem; color: var(--text-2); max-width: 620px;
  line-height: 1.8; margin-bottom: 40px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px; font-size: 0.9rem; font-weight: 600;
  text-decoration: none; transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--teal); color: var(--navy);
  box-shadow: 0 4px 20px rgba(0,180,200,0.3);
}
.btn-primary:hover { background: var(--cyan); transform: translateY(-2px); box-shadow: 0 6px 28px rgba(0,180,200,0.45); }
.btn-outline {
  background: transparent; color: var(--teal);
  border: 1.5px solid rgba(0,180,200,0.4);
}
.btn-outline:hover { background: rgba(0,180,200,0.08); border-color: var(--teal); }

.hero-stats {
  display: flex; gap: 48px; margin-top: 64px; flex-wrap: wrap;
  padding-top: 48px; border-top: 1px solid var(--border);
}
.hero-stat .num {
  font-family: var(--font-mono); font-size: 2.2rem; font-weight: 700;
  color: var(--teal); display: block; line-height: 1;
}
.hero-stat .lbl { font-size: 0.8rem; color: var(--text-3); margin-top: 4px; }

/* ── INDICATIONS LIST ── */
.indication-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  display: grid; grid-template-columns: 1fr auto;
  gap: 16px; transition: var(--transition);
  cursor: pointer; text-decoration: none; color: inherit;
}
.indication-card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: var(--shadow); }
.indication-card .ind-left { display: flex; flex-direction: column; gap: 8px; }
.indication-card .ind-right { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.ind-name { font-size: 1rem; font-weight: 600; color: var(--text); }
.ind-wave { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); }
.ind-dose { font-size: 0.8rem; color: var(--text-3); }

/* ── TABS ── */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 28px; overflow-x: auto; }
.tab-btn {
  padding: 10px 20px; background: none; border: none; cursor: pointer;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 500;
  color: var(--text-3); border-bottom: 2px solid transparent;
  transition: var(--transition); white-space: nowrap;
}
.tab-btn:hover { color: var(--text-2); }
.tab-btn.active { color: var(--teal); border-bottom-color: var(--teal); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: translateY(0); } }

/* ── UTILS ── */
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-mono  { font-family: var(--font-mono); }
.text-teal  { color: var(--teal); }
.text-mint  { color: var(--mint); }
.text-dim   { color: var(--text-3); }
.text-muted { color: var(--text-2); }
.text-sm    { font-size: 0.85rem; }
.text-xs    { font-size: 0.75rem; }

.divider { height: 1px; background: var(--border); margin: 40px 0; }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--navy-2); padding: 40px 24px;
}
.footer-inner {
  max-width: 1300px; margin: 0 auto;
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 32px; align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand strong { font-size: 0.9rem; color: var(--text); }
.footer-brand p { font-size: 0.78rem; color: var(--text-3); margin-top: 2px; }
.footer-info p { font-size: 0.78rem; color: var(--text-3); }
.footer-disclaimer { margin-top: 4px; font-style: italic; }

/* ── ANIMATIONS ── */
.fade-in { animation: fadeIn 0.5s ease both; }
.slide-up { animation: slideUp 0.4s ease both; }
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

[data-anim] { opacity: 0; transform: translateY(24px); transition: opacity 0.5s ease, transform 0.5s ease; }
[data-anim].visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: block; margin-left: auto; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  .grid-2 { grid-template-columns: 1fr; }
  .sim-controls { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-hero { padding: 40px 16px 28px; }
  .card { padding: 20px; }
  .proto-table th, .proto-table td { padding: 10px 12px; font-size: 0.78rem; }
}