/* ========================================================================
   NODO — Design System v2 (Stripe/Linear/Vercel-inspired premium)
   Branding NODO_BRAND_SPECS.md aplicado
   Filosofía: whitespace generoso, jerarquía visual fuerte, microinteracciones suaves
   ======================================================================== */

:root {
  /* Paleta NODO */
  --cyan: #00D4FF;
  --cyan-soft: rgba(0, 212, 255, 0.10);
  --cyan-glow: rgba(0, 212, 255, 0.25);
  --violet: #5E6AD2;
  --violet-soft: rgba(94, 106, 210, 0.10);
  --violet-glow: rgba(94, 106, 210, 0.25);
  --mint: #00FFB3;
  --mint-soft: rgba(0, 255, 179, 0.10);
  --amber: #FFB020;
  --amber-soft: rgba(255, 176, 32, 0.10);
  --red: #FF4444;

  /* Surfaces */
  --bg: #0A0C10;
  --bg-soft: #0E1117;
  --surface: #12151A;
  --surface-elev: #161A22;
  --border: #1E2330;
  --border-soft: rgba(30, 35, 48, 0.5);

  /* Text */
  --text-primary: #F0F4FF;
  --text-secondary: #C5CCD9;
  --text-muted: #7A8499;
  --text-faint: #4A5163;

  /* Spacing scale (4px base) */
  --s1: 4px;  --s2: 8px;  --s3: 12px;  --s4: 16px;
  --s5: 20px; --s6: 24px; --s7: 32px;  --s8: 40px;
  --s9: 48px; --s10: 64px; --s11: 80px; --s12: 96px;

  /* Typography scale */
  --t-display: clamp(36px, 6vw, 56px);
  --t-h1: clamp(28px, 4.5vw, 44px);
  --t-h2: clamp(22px, 3vw, 30px);
  --t-h3: 19px;
  --t-body: 16px;
  --t-small: 14px;
  --t-mono: 13px;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-full: 999px;

  /* Shadows */
  --shadow-glow-cyan: 0 0 32px rgba(0, 212, 255, 0.12);
  --shadow-glow-violet: 0 0 32px rgba(94, 106, 210, 0.12);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03), 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 1px 0 rgba(255, 255, 255, 0.06), 0 16px 40px rgba(0, 0, 0, 0.55);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.15s;
  --t-base: 0.25s;
  --t-slow: 0.4s;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: var(--t-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease); }

img, svg { display: block; max-width: 100%; }

/* Background ambient glow */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 1200px;
  height: 600px;
  background: radial-gradient(ellipse at center, var(--violet-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ========================================================================
   LAYOUT
   ======================================================================== */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--s6);
}

.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 var(--s6); }

/* ========================================================================
   HEADER
   ======================================================================== */

header.site-header {
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: var(--s4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-row { display: flex; justify-content: space-between; align-items: center; gap: var(--s6); }

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--t-fast) var(--ease);
}

.brand:hover { opacity: 0.85; }

/* === Logo NODO canonico oficial — wordmark CYAN BRILLANTE con glow + dot en ultima O === */
/* Color cyan #00D4FF aprobado (NODO_BRAND_SPECS.md + footer canonico) */
.nodo-logo {
  font-family: 'Space Grotesk', 'Arial Black', sans-serif;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 3px;
  color: #00D4FF;
  text-shadow:
    0 0 10px rgba(0, 212, 255, 0.7),
    0 0 22px rgba(0, 212, 255, 0.45),
    0 0 40px rgba(0, 212, 255, 0.2);
  display: inline-block;
  line-height: 1;
  white-space: nowrap;
}

.nodo-logo-o {
  position: relative;
  display: inline-block;
}

.nodo-logo-o::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow:
    0 0 6px 2px rgba(255, 255, 255, 0.9),
    0 0 12px 4px rgba(0, 212, 255, 0.85),
    0 0 24px 8px rgba(0, 212, 255, 0.4);
  animation: nodoLogoPulse 3s ease-in-out infinite;
}

@keyframes nodoLogoPulse {
  0%, 100% {
    opacity: 0.9;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.18);
  }
}

.nav {
  display: flex;
  gap: var(--s6);
  font-size: var(--t-small);
  align-items: center;
}

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--t-fast) var(--ease);
}

.nav a:hover { color: var(--cyan); }

.nav a.active { color: var(--cyan); }

@media (max-width: 720px) {
  .nav { gap: var(--s4); font-size: 13px; }
}

/* ========================================================================
   BREADCRUMB
   ======================================================================== */

.breadcrumb {
  padding: var(--s5) 0 var(--s2);
  font-size: var(--t-small);
  color: var(--text-muted);
}

.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb .sep { margin: 0 var(--s2); color: var(--text-faint); }

/* ========================================================================
   HERO SECTIONS
   ======================================================================== */

section.hero {
  padding: var(--s7) 0 var(--s10);
  border-top: none;
}

.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s2) var(--s4);
  border-radius: var(--r-full);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: var(--s5);
  border: 1px solid var(--cyan-glow);
  background: var(--cyan-soft);
  color: var(--cyan);
}

.tier-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 6px currentColor;
}

.tier-badge.violet { border-color: var(--violet-glow); background: var(--violet-soft); color: var(--violet); }
.tier-badge.mint { border-color: rgba(0, 255, 179, 0.30); background: var(--mint-soft); color: var(--mint); }
.tier-badge.amber { border-color: rgba(255, 176, 32, 0.30); background: var(--amber-soft); color: var(--amber); }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

h1 {
  font-size: var(--t-h1);
  line-height: 1.1;
  margin-bottom: var(--s5);
  max-width: 820px;
}

h1 .accent { color: var(--cyan); font-weight: 700; }
h1 .accent-violet { color: var(--violet); }
h1 .accent-mint { color: var(--mint); }

.hero-subtitle {
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.55;
  margin-bottom: var(--s8);
  font-weight: 400;
}

.hero-subtitle strong { color: var(--text-primary); font-weight: 600; }

/* Meta pills (chips informativos hero) */
.meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin-bottom: var(--s8);
}

.meta-pill {
  padding: var(--s2) var(--s4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
}

.meta-pill strong { color: var(--text-primary); font-weight: 600; }
.meta-pill .icon { color: var(--cyan); font-size: 14px; }

/* ========================================================================
   SECTIONS
   ======================================================================== */

section {
  padding: var(--s10) 0;
  border-top: 1px solid var(--border-soft);
}

.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: var(--s3);
  display: block;
}

h2 {
  font-size: var(--t-h2);
  line-height: 1.2;
  margin-bottom: var(--s4);
  max-width: 720px;
}

h2.center { margin: 0 auto var(--s4); text-align: center; }

h3 {
  font-size: var(--t-h3);
  margin-bottom: var(--s2);
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--s4);
  max-width: 720px;
}

p.center { margin-left: auto; margin-right: auto; text-align: center; }

p.lead {
  font-size: 17px;
  color: var(--text-secondary);
}

/* ========================================================================
   BUTTONS / CTAs
   ======================================================================== */

.cta-row {
  display: flex;
  gap: var(--s3);
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  padding: var(--s4) var(--s7);
  border-radius: var(--r-md);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all var(--t-base) var(--ease);
  white-space: nowrap;
  letter-spacing: -0.1px;
}

.btn-lg { padding: var(--s5) var(--s8); font-size: 16px; }

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
}
.btn-primary:hover { box-shadow: var(--shadow-glow-cyan); background: #1FDDFF; }

.btn-violet {
  background: var(--violet);
  color: var(--text-primary);
}
.btn-violet:hover { box-shadow: var(--shadow-glow-violet); background: #6E78D8; }

.btn-mint {
  background: var(--mint);
  color: var(--bg);
}
.btn-mint:hover { box-shadow: 0 0 32px rgba(0, 255, 179, 0.20); }

.btn-whatsapp {
  background: #25D366;
  color: white;
}
.btn-whatsapp:hover { box-shadow: 0 0 24px rgba(37, 211, 102, 0.30); background: #20BD5C; }

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-soft); }

/* ========================================================================
   CARDS — ICP grid, feature cards
   ======================================================================== */

.icp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--s4);
  margin-top: var(--s6);
}

.icp-card {
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base) var(--ease);
}

.icp-card:hover {
  border-color: var(--violet);
  background: var(--surface-elev);
  transform: translateY(-2px);
}

.icp-card-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--violet);
  letter-spacing: 1.5px;
  margin-bottom: var(--s3);
  text-transform: uppercase;
  font-weight: 600;
}

.icp-card strong {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
  margin-bottom: var(--s1);
}

.icp-card span {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Feature cards — qué incluye condensado (4-5 categorías con icono) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s5);
  margin-top: var(--s7);
}

.feature-card {
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base) var(--ease);
}

.feature-card:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-card);
}

.feature-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 32px;
  font-weight: 700;
  color: var(--cyan);
  display: block;
  margin-bottom: var(--s2);
  line-height: 1;
}

.feature-card.violet .feature-card-num { color: var(--violet); }
.feature-card.mint .feature-card-num { color: var(--mint); }

.feature-card h3 {
  font-size: 17px;
  margin-bottom: var(--s2);
  color: var(--text-primary);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* ========================================================================
   TIMELINE — pasos numerados con conexión visual
   ======================================================================== */

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--s4);
  margin-top: var(--s7);
  position: relative;
}

.timeline-step {
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  position: relative;
}

.timeline-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--cyan);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.timeline-step.violet::before { background: var(--violet); }
.timeline-step.mint::before { background: var(--mint); }

.timeline-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--violet);
  text-transform: uppercase;
  margin-bottom: var(--s2);
  display: block;
}

.timeline-step h4 {
  font-size: 16px;
  margin-bottom: var(--s2);
  color: var(--text-primary);
}

.timeline-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ========================================================================
   PRICING BLOCK
   ======================================================================== */

.pricing-card {
  background: linear-gradient(160deg, var(--violet-soft) 0%, var(--cyan-soft) 100%);
  border: 1px solid var(--cyan-glow);
  border-radius: var(--r-xl);
  padding: var(--s9);
  margin: var(--s6) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, var(--cyan-glow) 0%, transparent 60%);
  pointer-events: none;
}

.pricing-card > * { position: relative; z-index: 1; }

.pricing-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--s3);
}

.pricing-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(48px, 6vw, 68px);
  line-height: 1;
  color: var(--cyan);
  display: inline-flex;
  align-items: baseline;
  gap: var(--s2);
}

.pricing-amount.violet { color: var(--violet); }
.pricing-amount.mint { color: var(--mint); }

.pricing-amount .currency {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-mxn {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: var(--s2);
}

.pricing-terms {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: var(--s6);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-terms strong { color: var(--mint); font-weight: 600; }

/* ========================================================================
   GUARANTEE CARD
   ======================================================================== */

.guarantee-card {
  background: var(--mint-soft);
  border: 1px solid rgba(0, 255, 179, 0.25);
  border-radius: var(--r-lg);
  padding: var(--s7);
  display: flex;
  gap: var(--s5);
  align-items: flex-start;
  margin-top: var(--s6);
}

.guarantee-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--mint);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-size: 24px;
  font-weight: 700;
}

.guarantee-content h3 { color: var(--mint); font-size: 17px; margin-bottom: var(--s2); }
.guarantee-content p { color: var(--text-secondary); font-size: 15px; margin: 0; }

/* ========================================================================
   LEAD MAGNET CARD (gated content opt-in)
   ======================================================================== */

.leadmagnet-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s8);
  margin-top: var(--s7);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s7);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.leadmagnet-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--violet-soft) 0%, transparent 70%);
  pointer-events: none;
}

.leadmagnet-content { position: relative; z-index: 1; }

.leadmagnet-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: var(--s2);
  display: block;
}

.leadmagnet-content h3 {
  font-size: 22px;
  margin-bottom: var(--s3);
  color: var(--text-primary);
}

.leadmagnet-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
}

.leadmagnet-action {
  position: relative;
  z-index: 1;
}

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

/* ========================================================================
   OTHER TIERS — comparativa
   ======================================================================== */

.other-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s5);
  margin-top: var(--s7);
}

.other-tier {
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: all var(--t-base) var(--ease);
}

.other-tier:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.other-tier-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: var(--s1);
}

.other-tier-price {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--violet);
  margin-bottom: var(--s3);
}

.other-tier-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: var(--s4);
  line-height: 1.55;
}

/* ========================================================================
   KPIs Caso éxito grid
   ======================================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--s4);
  margin: var(--s7) 0;
}

.kpi-card {
  padding: var(--s6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  text-align: center;
  transition: all var(--t-base) var(--ease);
}

.kpi-card:hover { border-color: var(--mint); }

.kpi-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4vw, 44px);
  color: var(--mint);
  line-height: 1;
  display: block;
  margin-bottom: var(--s2);
}

.kpi-num.cyan { color: var(--cyan); }
.kpi-num.violet { color: var(--violet); }

.kpi-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ========================================================================
   FOOTER
   ======================================================================== */

footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--s9) 0;
  margin-top: var(--s11);
  text-align: center;
}

footer p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: var(--s2);
  max-width: none;
}

footer p:last-child { margin-bottom: 0; }

footer a { color: var(--violet); }
footer a:hover { color: var(--cyan); }

/* ========================================================================
   MODAL — lead capture form
   ======================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--s4);
}
.modal-backdrop.open { display: flex; animation: fadeIn 0.2s ease-out; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s9);
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-hover);
}

.modal-close {
  position: absolute;
  top: var(--s5);
  right: var(--s5);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  transition: all var(--t-fast) var(--ease);
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }

.modal h3 {
  font-size: 22px;
  margin-bottom: var(--s2);
  padding-right: var(--s7);
}
.modal p { font-size: 14px; color: var(--text-muted); margin-bottom: var(--s6); }

.form-field { margin-bottom: var(--s4); }
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--s2);
}
.form-field input {
  width: 100%;
  padding: var(--s4) var(--s4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: border-color var(--t-fast) var(--ease);
}
.form-field input:focus { outline: none; border-color: var(--cyan); }

.form-submit-row { display: flex; gap: var(--s3); align-items: center; margin-top: var(--s5); }
.form-status { font-size: 13px; color: var(--text-muted); }
.form-status.success { color: var(--mint); }
.form-status.error { color: var(--red); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ========================================================================
   CALCULADORA ROI (forms)
   ======================================================================== */

.calc-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--s8);
  margin-top: var(--s6);
}

.calc-field { margin-bottom: var(--s6); }
.calc-field label {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  margin-bottom: var(--s3);
}

.calc-field input[type="number"], .calc-field select {
  width: 100%;
  padding: var(--s4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  transition: border-color var(--t-fast) var(--ease);
}
.calc-field input[type="number"]:focus, .calc-field select:focus {
  outline: none;
  border-color: var(--cyan);
}

.calc-radio-group { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }
.calc-radio-option {
  padding: var(--s5);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--t-fast) var(--ease);
}
.calc-radio-option input { display: none; }
.calc-radio-option:hover { border-color: var(--cyan); color: var(--text-primary); }
.calc-radio-option.selected {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--text-primary);
}

.calc-output {
  margin-top: var(--s7);
  padding: var(--s8);
  background: linear-gradient(135deg, var(--violet-soft), var(--cyan-soft));
  border: 1px solid var(--cyan-glow);
  border-radius: var(--r-xl);
  display: none;
}
.calc-output.visible { display: block; animation: fadeIn 0.3s var(--ease); }

.calc-output-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--cyan);
  margin-bottom: var(--s3);
}

.calc-output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--s3);
  margin-top: var(--s5);
}

.calc-output-metric {
  text-align: center;
  padding: var(--s5);
  background: rgba(10, 12, 16, 0.5);
  border-radius: var(--r-md);
}

.calc-output-metric .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--mint);
  display: block;
  line-height: 1;
}

.calc-output-metric .lbl {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--s2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.calc-tier-rec {
  margin-top: var(--s6);
  padding: var(--s5) var(--s6);
  background: var(--mint-soft);
  border: 1px solid rgba(0, 255, 179, 0.25);
  border-radius: var(--r-md);
  font-size: 15px;
  line-height: 1.6;
}
.calc-tier-rec strong {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--mint);
  font-size: 19px;
  display: block;
  margin-bottom: var(--s1);
}

/* ========================================================================
   RESPONSIVE
   ======================================================================== */

@media (max-width: 640px) {
  section { padding: var(--s8) 0; }
  section.hero { padding: var(--s6) 0 var(--s9); }
  .pricing-card { padding: var(--s7) var(--s5); }
  .leadmagnet-card { padding: var(--s6); }
  .modal { padding: var(--s7); }
  .calc-form { padding: var(--s6); }
  .calc-radio-group { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav.mobile-show { display: flex; }
}