/* ==========================================================================
   NERTIO.ES — Consolidated CSS
   NC-02: Azul petroleo #1B6B7D + Amber #F59E0B
   Typography: Satoshi (display / h1-h4) + DM Sans (body)
   ========================================================================== */

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; -webkit-appearance: none; appearance: none; border: none; background: none; cursor: pointer; }

/* ==========================================================================
   TOKENS
   ========================================================================== */

:root {
  /* Colors — petroleo */
  --nt-color-primary:       #1B6B7D;
  --nt-color-primary-dark:  #134B58;
  --nt-color-primary-light: #E0F2F7;
  --nt-color-primary-alpha: rgba(27,107,125,0.10);

  /* Colors — amber accent */
  --nt-color-accent:        #F59E0B;
  --nt-color-accent-dark:   #D97706;
  --nt-color-accent-light:  #FEF3C7;

  /* Neutrals */
  --nt-color-text:          #0f172a;
  --nt-color-text-soft:     #475569;
  --nt-color-muted:         #94a3b8;
  --nt-color-border:        #e2e8f0;
  --nt-color-bg:            #ffffff;
  --nt-color-bg-soft:       #f8fafc;
  --nt-color-bg-dark:       #0f172a;

  /* Fonts — Satoshi display (Fontshare) + DM Sans body (Google Fonts) */
  --nt-font-display: 'Satoshi', system-ui, -apple-system, sans-serif;
  --nt-font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  --nt-font: var(--nt-font-body); /* backward-compat alias — legacy usage */

  /* Font sizes (+1 global bump) */
  --nt-text-xs:   13px;
  --nt-text-sm:   15px;
  --nt-text-base: 17px;
  --nt-text-lg:   19px;
  --nt-text-xl:   21px;
  --nt-text-2xl:  26px;
  --nt-text-3xl:  34px;
  --nt-text-4xl:  42px;
  --nt-text-5xl:  54px;

  /* Weights */
  --nt-weight-light:    300;
  --nt-weight-regular:  400;
  --nt-weight-medium:   500;
  --nt-weight-semibold: 600;
  --nt-weight-bold:     700;

  /* Spacing */
  --nt-space-xs:  4px;
  --nt-space-sm:  8px;
  --nt-space-md:  16px;
  --nt-space-lg:  24px;
  --nt-space-xl:  32px;
  --nt-space-2xl: 48px;
  --nt-space-3xl: 64px;
  --nt-space-4xl: 96px;

  /* Layout */
  --nt-container: 1120px;
  --nt-container-narrow: 720px;
  --nt-container-pad: 20px;

  /* Radius */
  --nt-radius:      12px;
  --nt-radius-sm:   8px;
  --nt-radius-pill: 999px;

  /* Shadows */
  --nt-shadow:      0 4px 20px rgba(15,23,42,0.08);
  --nt-shadow-lg:   0 8px 30px rgba(15,23,42,0.12);
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

body {
  font-family: var(--nt-font-body);
  font-weight: var(--nt-weight-regular);
  font-size: var(--nt-text-base);
  line-height: 1.65;
  color: var(--nt-color-text);
  background: var(--nt-color-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--nt-font-display);
  font-weight: var(--nt-weight-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

h1 { font-size: var(--nt-text-4xl); }
h2 { font-size: var(--nt-text-3xl); }
h3 { font-size: var(--nt-text-2xl); }
h4 { font-size: var(--nt-text-xl); }

p { margin: 0 0 var(--nt-space-md); }

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

.nt-container {
  max-width: var(--nt-container);
  margin: 0 auto;
  padding: 0 var(--nt-container-pad);
}

.nt-container--narrow {
  max-width: var(--nt-container-narrow);
}

.nt-section {
  padding: var(--nt-space-3xl) 0;
}

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

.nt-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nt-color-bg);
  border-bottom: 1px solid var(--nt-color-border);
}

.nt-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nt-header__logo img {
  height: 28px;
  width: auto;
}

.nt-header__nav {
  display: none;
}

.nt-header__menu {
  display: flex;
  align-items: center;
  gap: var(--nt-space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nt-header__menu a {
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-medium);
  color: var(--nt-color-text);
  transition: color 0.15s;
}

.nt-header__menu a:hover {
  color: var(--nt-color-primary);
}

.nt-header__toggle {
  display: flex;
  align-items: center;
  padding: var(--nt-space-sm);
  color: var(--nt-color-text);
}

.nt-header__nav--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--nt-color-bg);
  border-bottom: 1px solid var(--nt-color-border);
  padding: var(--nt-space-md) var(--nt-container-pad);
  box-shadow: var(--nt-shadow);
}

.nt-header__nav--open .nt-header__menu {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.nt-header__nav--open .nt-header__menu li {
  width: 100%;
}

.nt-header__nav--open .nt-header__menu a {
  display: block;
  padding: var(--nt-space-sm) 0;
  font-size: var(--nt-text-base);
}

/* Header CTAs */
.nt-header__ctas {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
}

.nt-header__cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.15s;
}

.nt-header__cta--outline {
  border: 1px solid #1B6B7D;
  color: #1B6B7D;
  background: transparent;
}

.nt-header__cta--outline:hover {
  background: rgba(27,107,125,0.05);
}

.nt-header__cta--filled {
  background: #F59E0B;
  color: white;
  font-weight: 700;
  border: 1px solid #F59E0B;
}

.nt-header__cta--filled:hover {
  background: #d97706;
  border-color: #d97706;
}

/* Mobile: CTAs inside open menu */
.nt-header__nav--open .nt-header__ctas {
  flex-direction: column;
  margin-left: 0;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--nt-color-border);
  gap: 8px;
}

.nt-header__nav--open .nt-header__cta {
  width: 100%;
  justify-content: center;
  padding: 12px 16px;
}

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

.nt-hero {
  padding: var(--nt-space-3xl) 0;
  text-align: center;
}

.nt-hero--home {
  padding: var(--nt-space-4xl) 0;
  background: linear-gradient(180deg, var(--nt-color-bg-soft) 0%, var(--nt-color-bg) 100%);
}

.nt-hero__label {
  display: inline-block;
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--nt-color-primary);
  margin-bottom: var(--nt-space-md);
}

.nt-hero__title {
  max-width: 800px;
  margin: 0 auto var(--nt-space-lg);
}

.nt-hero__subtitle {
  max-width: 600px;
  margin: 0 auto var(--nt-space-xl);
  font-size: var(--nt-text-lg);
  font-weight: var(--nt-weight-light);
  color: var(--nt-color-text-soft);
  line-height: 1.6;
}

.nt-hero__actions {
  display: flex;
  justify-content: center;
  gap: var(--nt-space-md);
  flex-wrap: wrap;
}

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

.nt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--nt-space-sm);
  padding: 12px 24px;
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-semibold);
  border-radius: var(--nt-radius-sm);
  transition: all 0.15s;
  cursor: pointer;
}

.nt-btn--primary {
  background: var(--nt-color-primary);
  color: white;
}

.nt-btn--primary:hover {
  background: var(--nt-color-primary-dark);
}

.nt-btn--accent {
  background: var(--nt-color-accent);
  color: var(--nt-color-text);
}

.nt-btn--accent:hover {
  background: var(--nt-color-accent-dark);
}

.nt-btn--outline {
  border: 1.5px solid #1B6B7D;
  color: #1B6B7D;
  background: rgba(27,107,125,0.04);
}

.nt-btn--outline:hover {
  background: #1B6B7D;
  color: white;
  border-color: #1B6B7D;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.nt-card {
  background: var(--nt-color-bg);
  border: 1px solid var(--nt-color-border);
  border-radius: var(--nt-radius);
  padding: var(--nt-space-xl);
  transition: box-shadow 0.15s;
}

.nt-card:hover {
  box-shadow: var(--nt-shadow);
}

.nt-card__label {
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--nt-color-primary);
  margin-bottom: var(--nt-space-sm);
}

.nt-card__title {
  font-size: var(--nt-text-xl);
  font-weight: var(--nt-weight-bold);
  margin-bottom: var(--nt-space-sm);
}

.nt-card__desc {
  color: var(--nt-color-text-soft);
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-light);
}

.nt-grid {
  display: grid;
  gap: var(--nt-space-lg);
}

.nt-grid--2 { grid-template-columns: 1fr; }
.nt-grid--3 { grid-template-columns: 1fr; }

/* ==========================================================================
   PAGE CONTENT
   ========================================================================== */

.nt-page {
  padding: var(--nt-space-3xl) 0;
}

.nt-page h2 {
  margin-bottom: var(--nt-space-md);
}

.nt-page p {
  color: var(--nt-color-text-soft);
  font-weight: var(--nt-weight-light);
  line-height: 1.7;
}

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

.nt-footer {
  background: var(--nt-color-bg-dark);
  color: #94a3b8;
  padding: var(--nt-space-3xl) 0 var(--nt-space-xl);
}

.nt-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--nt-space-xl) var(--nt-space-2xl);
  margin-bottom: var(--nt-space-2xl);
}

.nt-footer__brand img {
  height: 24px;
  margin-bottom: var(--nt-space-md);
}

.nt-footer__tagline {
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-light);
  max-width: 300px;
}

.nt-footer__heading {
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #e2e8f0;
  margin-bottom: var(--nt-space-md);
}

.nt-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nt-footer__links li {
  margin-bottom: var(--nt-space-sm);
}

.nt-footer__links a {
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-light);
  color: #94a3b8;
  transition: color 0.15s;
}

.nt-footer__links a:hover {
  color: white;
}

.nt-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--nt-space-lg);
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--nt-space-md);
}

.nt-footer__bottom-brand img { margin-bottom: var(--nt-space-xs); }

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

.nt-footer__legal a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: var(--nt-text-sm);
  transition: color 0.2s;
}

.nt-footer__legal a:hover { color: #fff; }

.nt-footer__legal-sep {
  color: rgba(255,255,255,0.2);
  font-size: var(--nt-text-sm);
  user-select: none;
  margin: 0 var(--nt-space-xs);
}

/* ==========================================================================
   ACTUACIONES CARDS (nt-acard)
   ========================================================================== */

.nt-acard {
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.nt-acard:hover {
  border-color: #1B6B7D;
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  transform: translateY(-2px);
}

.nt-acard__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(27,107,125,0.05);
  border-radius: 50%;
  margin-bottom: 16px;
}

.nt-acard__ficha {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #9ca3af;
  margin-bottom: 4px;
}

.nt-acard__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 8px;
  line-height: 1.3;
}

.nt-acard__desc {
  font-size: 0.95rem;
  font-weight: 300;
  color: #6b7280;
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
}

.nt-acard__badge {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1B6B7D;
  background: rgba(27,107,125,0.08);
  border-radius: 9999px;
  align-self: flex-start;
}

.nt-acard__badge--outline {
  background: transparent;
  border: 1px solid #e5e7eb;
  color: #6b7280;
}

.nt-acard--more {
  border-style: dashed;
}

.nt-acard--more:hover {
  border-style: solid;
}

/* ==========================================================================
   STEP CARDS (3 pasos)
   ========================================================================== */

.nt-step-card {
  background: var(--nt-color-bg-soft);
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 28px 24px;
}

.nt-step-card__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #1B6B7D;
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 10px;
  margin-bottom: 16px;
}

.nt-step-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 8px;
  line-height: 1.3;
}

.nt-step-card__desc {
  font-size: 0.95rem;
  font-weight: 300;
  color: #6b7280;
  line-height: 1.5;
  margin: 0;
}

/* ==========================================================================
   CALLOUT & CHECKLIST
   ========================================================================== */

.nt-callout {
  background: rgba(27,107,125,0.06);
  border-left: 4px solid #1B6B7D;
  border-radius: 0 var(--nt-radius-sm) var(--nt-radius-sm) 0;
  padding: 20px 24px;
  font-size: 0.95rem;
  color: var(--nt-color-text);
  line-height: 1.6;
}

.nt-callout strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  color: #1B6B7D;
}

.nt-checklist {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: var(--nt-space-xl) 0;
}

.nt-checklist__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.nt-checklist__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: #1B6B7D;
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 50%;
}

.nt-checklist__item strong {
  color: var(--nt-color-text);
}

.nt-checklist__item div {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--nt-color-text-soft);
  line-height: 1.5;
}

/* ==========================================================================
   CASE CARDS (¿Tu caso encaja?)
   ========================================================================== */

.nt-case-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: white;
  border: 1px solid #e5e7eb;
  border-left: 4px solid #1B6B7D;
  border-radius: 10px;
  padding: 20px 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: all 0.2s;
}

.nt-case-card:hover {
  border-left-color: #F59E0B;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.nt-case-card--pro {
  border-left-color: #F59E0B;
  background: #FFFBEB;
}

.nt-case-card--pro:hover {
  border-left-color: #1B6B7D;
}

.nt-case-card__body {
  flex: 1;
  min-width: 0;
}

.nt-case-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 6px;
  line-height: 1.3;
}

.nt-case-card__desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: #6b7280;
  margin: 0;
  line-height: 1.5;
}

.nt-case-card__arrow {
  font-size: 1.2rem;
  color: #1B6B7D;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.nt-case-card:hover .nt-case-card__arrow {
  transform: translateX(4px);
  color: #F59E0B;
}

/* ==========================================================================
   SECTION UTILITIES
   ========================================================================== */

.nt-section__title {
  text-align: center;
  margin-bottom: var(--nt-space-md);
}

.nt-section__subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--nt-space-xl);
  color: var(--nt-color-text-soft);
  font-weight: var(--nt-weight-light);
  font-size: var(--nt-text-lg);
}

.nt-section--alt {
  background: var(--nt-color-bg-soft);
}

.nt-muted-note {
  text-align: center;
  font-size: var(--nt-text-sm);
  color: var(--nt-color-muted);
  font-weight: var(--nt-weight-light);
  margin-top: var(--nt-space-lg);
}

.nt-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--nt-color-primary);
  font-weight: var(--nt-weight-medium);
  font-size: var(--nt-text-base);
  text-decoration: none;
  transition: color 0.15s;
}

.nt-link:hover {
  color: var(--nt-color-primary-dark);
}

/* Hero profiles line */
.nt-hero__profiles {
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-medium);
  color: var(--nt-color-muted);
  margin: 0 auto var(--nt-space-xl);
}

/* Routing cards */
.nt-card--routing {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.nt-card--routing .nt-btn {
  margin-top: auto;
}

/* ==========================================================================
   TRUST BAR
   ========================================================================== */

.nt-trust {
  background: var(--nt-color-primary);
  color: white;
  padding: var(--nt-space-lg) 0;
}

.nt-trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--nt-space-md);
}

.nt-trust__item {
  display: flex;
  align-items: flex-start;
  gap: var(--nt-space-sm);
}

.nt-trust__item svg {
  flex-shrink: 0;
  stroke: var(--nt-color-accent);
  margin-top: 2px;
}

.nt-trust__item strong {
  display: block;
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-semibold);
}

.nt-trust__item span {
  display: block;
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-light);
  opacity: 0.85;
}

/* ==========================================================================
   COMPARE (Sin/Con Nertio)
   ========================================================================== */

.nt-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--nt-radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.nt-compare__col {
  padding: 32px;
}

.nt-compare__col--without {
  background: #fafafa;
}

.nt-compare__col--with {
  background: #1B6B7D;
  color: white;
}

.nt-compare__heading {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid rgba(0,0,0,0.06);
}

.nt-compare__col--with .nt-compare__heading {
  border-bottom-color: rgba(255,255,255,0.2);
}

.nt-compare__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nt-compare__col li {
  padding: 10px 0 10px 28px;
  font-size: 0.95rem;
  font-weight: 400;
  position: relative;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nt-compare__col--with li {
  border-bottom-color: rgba(255,255,255,0.1);
}

.nt-compare__col li:last-child {
  border-bottom: none;
}

.nt-compare__col--without li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #d4d4d8;
  font-weight: 600;
  font-size: 0.9rem;
}

.nt-compare__col--without li {
  color: #6b7280;
}

.nt-compare__col--with li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #F59E0B;
  font-weight: 700;
  font-size: 1rem;
}

/* ==========================================================================
   STATS
   ========================================================================== */

.nt-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--nt-space-lg);
  text-align: center;
}

.nt-stats__item {
  padding: var(--nt-space-xl) var(--nt-space-md);
  background: white;
  border-radius: var(--nt-radius);
  border: 1px solid var(--nt-color-border);
}

.nt-stats__value {
  display: block;
  font-size: var(--nt-text-xl);
  font-weight: var(--nt-weight-bold);
  color: var(--nt-color-primary);
  margin-bottom: var(--nt-space-xs);
}

.nt-stats__label {
  display: block;
  font-size: var(--nt-text-xs);
  font-weight: var(--nt-weight-light);
  color: var(--nt-color-text-soft);
}

/* ==========================================================================
   FAQ ACCORDION — Canónico: tallas de home + icono circular a la derecha
   ========================================================================== */

.nt-faq__item {
  border-bottom: 1px solid var(--nt-color-border);
}

.nt-faq__question {
  padding: var(--nt-space-md) 0;
  font-family: var(--nt-font-display);
  font-weight: var(--nt-weight-semibold);
  font-size: var(--nt-text-base); /* 17px */
  color: var(--nt-color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--nt-space-md);
  transition: color .2s ease;
}
.nt-faq__question:hover { color: var(--nt-color-primary); }

.nt-faq__question::-webkit-details-marker { display: none; }
.nt-faq__question::marker { content: ""; }

.nt-faq__question::after {
  content: "+";
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--nt-color-primary-light);
  color: var(--nt-color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: var(--nt-weight-light);
  line-height: 1;
  transition: transform .3s ease;
}

details[open] > .nt-faq__question::after {
  transform: rotate(45deg);
}

.nt-faq__answer {
  padding: 0 0 var(--nt-space-md) 0;
  color: var(--nt-color-text-soft);
  font-family: var(--nt-font-body);
  font-weight: var(--nt-weight-regular);
  font-size: var(--nt-text-sm); /* 15px */
  line-height: 1.7;
  margin: 0;
}

/* ==========================================================================
   EXPLORE BAND
   ========================================================================== */

.nt-explore {
  padding: var(--nt-space-xl) 0;
  border-top: 1px solid var(--nt-color-border);
  border-bottom: 1px solid var(--nt-color-border);
}

.nt-explore__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--nt-space-md) var(--nt-space-xl);
}

.nt-explore__links a {
  font-size: var(--nt-text-sm);
  font-weight: var(--nt-weight-medium);
  color: var(--nt-color-primary);
  text-decoration: none;
}

.nt-explore__links a:hover {
  color: var(--nt-color-primary-dark);
}

/* ==========================================================================
   CTA FINAL
   ========================================================================== */

.nt-cta-final {
  padding: var(--nt-space-4xl) 0;
  background: var(--nt-color-bg-soft);
}

.nt-cta-final__title {
  font-size: var(--nt-text-3xl);
  max-width: 700px;
  margin: 0 auto var(--nt-space-xl);
}

/* ==========================================================================
   SIMULATOR CTA BANNER
   ========================================================================== */

.nt-sim {
  padding: var(--nt-space-3xl) 0;
}

.nt-sim__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--nt-space-2xl);
  align-items: center;
  background: var(--nt-color-bg-dark);
  border-radius: 16px;
  padding: 48px;
  overflow: hidden;
}

.nt-sim__title {
  font-size: var(--nt-text-3xl);
  font-weight: 700;
  color: white;
  margin: 0 0 var(--nt-space-md);
  line-height: 1.2;
}

.nt-sim__desc {
  font-size: var(--nt-text-base);
  font-weight: 300;
  color: #94a3b8;
  margin: 0 0 var(--nt-space-xl);
  line-height: 1.6;
}

.nt-sim__preview {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 24px;
}

.nt-sim__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #94a3b8;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nt-sim__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nt-sim__row:last-child {
  border-bottom: none;
}

.nt-sim__row span {
  font-size: var(--nt-text-sm);
  font-weight: 300;
  color: #94a3b8;
}

.nt-sim__row strong {
  font-size: var(--nt-text-sm);
  font-weight: 600;
  color: white;
}

.nt-sim__row--highlight strong {
  color: #F59E0B;
  font-size: var(--nt-text-lg);
}

@media (max-width: 767px) {
  .nt-sim__inner {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .nt-sim__title {
    font-size: var(--nt-text-2xl);
  }
}

/* ==========================================================================
   FORM
   ========================================================================== */

.nt-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nt-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nt-form__field label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--nt-color-text);
}

.nt-form__field input,
.nt-form__field select,
.nt-form__field textarea {
  padding: 10px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--nt-font);
  font-weight: 300;
  background: white;
  transition: border-color 0.15s;
}

.nt-form__field input:focus,
.nt-form__field select:focus,
.nt-form__field textarea:focus {
  outline: none;
  border-color: #1B6B7D;
  box-shadow: 0 0 0 3px rgba(27,107,125,0.08);
}

.nt-form__checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.nt-form__checkbox input {
  margin-top: 4px;
  min-width: 18px;
}

.nt-form__checkbox label {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--nt-color-text-soft);
  line-height: 1.5;
}

.nt-form__checkbox a {
  color: var(--nt-color-primary);
}

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

@media (min-width: 768px) {
  .nt-header__nav { display: flex; }
  .nt-header__toggle { display: none; }
  .nt-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .nt-grid--3 { grid-template-columns: repeat(2, 1fr); }

  h1 { font-size: var(--nt-text-5xl); }
  h2 { font-size: var(--nt-text-4xl); }
}

@media (min-width: 1024px) {
  .nt-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .nt-hero--home { padding: var(--nt-space-2xl) 0; }
  .nt-hero__title { font-size: var(--nt-text-3xl); }
  .nt-footer__grid { grid-template-columns: repeat(2, 1fr); gap: var(--nt-space-xl); }
  .nt-hero__actions { flex-direction: column; align-items: center; }
  .nt-trust__grid { grid-template-columns: repeat(2, 1fr); }
  .nt-compare { grid-template-columns: 1fr; border-radius: var(--nt-radius); }
  .nt-stats { grid-template-columns: repeat(2, 1fr); }
  .nt-cta-final__title { font-size: var(--nt-text-2xl); }
  .nt-section { padding: var(--nt-space-2xl) 0; }
}