/* ============================================================
   PLAN AUTOMOTRIZ — Multi-Brand Design System
   Variables de marca inyectadas por JS en runtime
   ============================================================ */

:root {
  /* Brand variables — overridden by JS per marca */
  --brand-primary:  #0074e8;
  --brand-dark:     #0058b5;
  --brand-light:    #e8f2fd;
  --brand-header:   #001e50;

  /* Neutral palette */
  --black:       #0a0a0a;
  --dark:        #111827;
  --dark-2:      #1f2937;
  --mid:         #374151;
  --muted:       #6b7280;
  --border:      #e5e7eb;
  --bg:          #f9fafb;
  --white:       #ffffff;

  /* Tokens */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 10px 40px rgba(0,0,0,.14);
  --transition:  0.25s ease;
  --header-h:    72px;
}

/* ============ RESET / BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
[id] { scroll-margin-top: calc(var(--header-h) + 16px); }
body {
  font-family: 'Montserrat', sans-serif;
  color: var(--dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  opacity: 0;
  transition: opacity 0.3s ease;
}
body.ready { opacity: 1; }
img { max-width: 100%; display: block; }
a { text-decoration: none; }
ul { list-style: none; padding: 0; }
button { cursor: pointer; font-family: inherit; }

/* ============ HELPERS ============ */
.highlight { color: var(--brand-primary); }
.d-none { display: none !important; }

.section-eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: .5rem;
}
.section-eyebrow.light { color: #93c5fd; }

/* ============ HEADER ============ */
#main-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}
#main-header.scrolled {
  background: var(--brand-header);
  box-shadow: var(--shadow-md);
  height: 60px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.navbar-brand img { height: 44px; width: auto; transition: height var(--transition); }
#main-header.scrolled .navbar-brand img { height: 34px; }

.header-actions { display: flex; align-items: center; gap: .75rem; }

.btn-header-ghost {
  font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  color: var(--white);
  padding: .45rem 1rem;
  border: 1.5px solid rgba(255,255,255,.4);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition);
}
.btn-header-ghost:hover { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); color: var(--white); }

.btn-header-primary {
  font-size: .8rem; font-weight: 700; letter-spacing: .04em;
  color: var(--white); background: var(--black);
  padding: .5rem 1.25rem; border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
}
#main-header.scrolled .btn-header-primary { background: rgba(0,0,0,.35); }
.btn-header-primary:hover { background: rgba(0,0,0,.85); transform: translateY(-1px); color: var(--white); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--brand-header);
  background-size: cover;
  background-position: center center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.45) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  padding-top: var(--header-h);
  padding-bottom: 4rem;
  max-width: 720px;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  color: #93c5fd; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .35rem .9rem; border-radius: 999px; margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 900; line-height: 1.1; color: var(--white);
  margin-bottom: 1.25rem; letter-spacing: -.02em;
}
.hero-subtitle {
  font-size: clamp(.95rem, 2vw, 1.15rem); font-weight: 400;
  color: rgba(255,255,255,.85); margin-bottom: 2.25rem; max-width: 520px;
}
.hero-subtitle strong { color: var(--white); font-weight: 700; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: .875rem; }

.btn-primary-hero {
  display: inline-flex; align-items: center;
  background: var(--brand-primary); color: var(--white);
  font-weight: 700; font-size: .9rem; letter-spacing: .04em;
  padding: .875rem 2rem; border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary-hero:hover { background: var(--brand-dark); transform: translateY(-2px); color: var(--white); }

.btn-ghost-hero {
  display: inline-flex; align-items: center;
  color: var(--white); font-weight: 600; font-size: .9rem; letter-spacing: .04em;
  padding: .875rem 1.75rem; border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,.4);
  transition: background var(--transition), border-color var(--transition);
}
.btn-ghost-hero:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.7); color: var(--white); }

.hero-scroll-hint {
  position: absolute; bottom: 1.75rem; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.45); font-size: 1.1rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ============ TRUST BAR ============ */
.trust-bar { background: var(--black); padding: .875rem 0; }
.trust-items {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: .5rem 1.5rem;
  padding: 0; margin: 0;
}
.trust-item {
  display: flex; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.8); font-size: .8rem; font-weight: 500;
}
.trust-item strong { color: var(--white); font-weight: 700; }
.trust-item .fa-check-circle { color: var(--brand-primary); }
.trust-divider { width: 1px; height: 18px; background: rgba(255,255,255,.18); }

/* ============ STATS ============ */
.stats-section { background: var(--dark); padding: 3.5rem 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.stat-item { text-align: center; display: flex; flex-direction: column; gap: .3rem; }
.stat-number { font-size: clamp(1.6rem,3vw,2.5rem); font-weight: 900; color: var(--white); letter-spacing: -.02em; line-height: 1; }
.stat-label { font-size: .78rem; font-weight: 500; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: .06em; }

/* ============ SECTION HEADER ============ */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-title { font-size: clamp(1.75rem,3.5vw,2.75rem); font-weight: 900; letter-spacing: -.02em; color: var(--dark); line-height: 1.15; margin-bottom: .6rem; }
.section-subtitle { font-size: 1rem; color: var(--muted); max-width: 520px; margin: 0 auto; }

/* ============ MODELS SECTION ============ */
.models-section { padding: 5rem 0; background: var(--bg); }
.models-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.25rem; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

/* Adapta columnas según cantidad de modelos */
.models-grid:has(> :nth-child(3):last-child) { grid-template-columns: repeat(3,1fr); }
.models-grid:has(> :nth-child(2):last-child) { grid-template-columns: repeat(2,1fr); }

.model-card {
  background: var(--white); border-radius: var(--radius-md);
  overflow: hidden; border: 1.5px solid var(--border);
  display: flex; flex-direction: column; position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.model-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.model-card.featured { border-color: var(--brand-primary); box-shadow: 0 0 0 2px var(--brand-primary), var(--shadow-md); }

.model-card-badge {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  background: var(--brand-primary); color: var(--white);
  font-size: .63rem; font-weight: 800; letter-spacing: .08em;
  padding: .25rem .65rem; border-radius: 999px;
}

.model-card-header {
  background: var(--bg); padding: 1.5rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border); text-align: center;
}

.model-tag {
  display: inline-block; font-size: .68rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-primary); background: var(--brand-light);
  padding: .2rem .65rem; border-radius: 999px; margin-bottom: .6rem;
}
.model-tag.commercial { color: var(--mid); background: #e5e7eb; }

.model-name { font-size: 1.6rem; font-weight: 900; color: var(--dark); letter-spacing: -.02em; line-height: 1; margin-bottom: .75rem; }

.model-image-wrap { height: 130px; display: flex; align-items: center; justify-content: center; margin-bottom: .5rem; }
.model-image-wrap img { max-height: 120px; width: auto; object-fit: contain; transition: transform var(--transition); }
.model-card:hover .model-image-wrap img { transform: scale(1.04); }

.model-financing-badge {
  display: flex; align-items: center; gap: .6rem;
  background: var(--brand-light); padding: .625rem .875rem;
  font-size: .78rem; color: var(--dark-2);
  border-bottom: 1px solid var(--border);
}
.model-financing-badge .fa-id-card { color: var(--brand-primary); font-size: 1.1rem; flex-shrink: 0; }
.model-financing-badge strong { color: var(--brand-primary); }

.model-pricing { padding: 1rem 1.25rem .5rem; border-bottom: 1px solid var(--border); }
.model-variant { font-size: .78rem; font-weight: 600; color: var(--muted); margin-bottom: .15rem; }
.price-label { display: block; font-size: .65rem; font-weight: 700; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; margin-bottom: .1rem; }
.price-amount { display: block; font-size: 1.9rem; font-weight: 900; color: var(--brand-primary); letter-spacing: -.02em; line-height: 1.1; }
.price-from { display: block; font-size: .78rem; color: var(--muted); margin-top: .25rem; }
.price-from strong { color: var(--brand-primary); }

.benefits-list { padding: 1rem 1.25rem; flex: 1; display: flex; flex-direction: column; gap: .5rem; }
.benefits-list li { display: flex; align-items: center; gap: .6rem; font-size: .8rem; color: var(--dark-2); }
.benefits-list li i { color: var(--brand-primary); font-size: .85rem; width: 14px; flex-shrink: 0; }

.btn-model-cta {
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-primary); color: var(--white);
  font-weight: 700; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase;
  padding: .9rem; transition: background var(--transition);
}
.btn-model-cta:hover { background: var(--brand-dark); color: var(--white); }

/* ============ FORM SECTION ============ */
.form-section { background: var(--dark); padding: 5.5rem 0; }
.form-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

.form-title { font-size: clamp(1.75rem,3.5vw,2.75rem); font-weight: 900; color: var(--white); letter-spacing: -.02em; line-height: 1.15; margin-bottom: .75rem; }
.form-subtitle { font-size: .95rem; color: rgba(255,255,255,.6); margin-bottom: 2rem; line-height: 1.7; }

.form-trust-points { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 2rem; }
.form-trust-item { display: flex; align-items: center; gap: .75rem; font-size: .85rem; color: rgba(255,255,255,.7); }
.form-trust-item i { color: var(--brand-primary); font-size: 1rem; width: 20px; flex-shrink: 0; }

.offer-badge {
  display: flex; align-items: center; gap: 1rem;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md); padding: 1rem 1.25rem;
}
.offer-badge strong { font-size: .9rem; color: var(--white); display: block; }
.offer-badge p { font-size: .8rem; color: rgba(255,255,255,.5); margin: .2rem 0 0; }

.form-container { background: var(--white); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-lg); }

/* Stepper */
.stepper { display: flex; align-items: center; margin-bottom: 2rem; }
.stepper-item { display: flex; flex-direction: column; align-items: center; gap: .3rem; flex-shrink: 0; }
.step-dot {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--border); color: var(--muted);
  font-weight: 700; font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.stepper-item.active .step-dot,
.stepper-item.done .step-dot { background: var(--brand-primary); color: var(--white); }
.stepper-item span { font-size: .65rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.stepper-item.active span { color: var(--brand-primary); }
.stepper-line { flex: 1; height: 2px; background: var(--border); min-width: 30px; transition: background var(--transition); }
.stepper-line.done { background: var(--brand-primary); }

/* Fieldsets used as step containers */
.step-container { border: none; padding: 0; min-width: 0; }
.step-title { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 1.5rem; display: block; }

.field-group { margin-bottom: 1rem; }
.field-label { display: block; font-size: .78rem; font-weight: 600; color: var(--mid); margin-bottom: .35rem; letter-spacing: .02em; }
.field-optional { font-weight: 400; color: var(--muted); }

.form-field {
  width: 100%; padding: .7rem .9rem;
  font-family: inherit; font-size: .875rem; color: var(--dark);
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); appearance: none; -webkit-appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field:focus { outline: none; border-color: var(--brand-primary); box-shadow: 0 0 0 3px rgba(0,0,0,.08); }
.form-field::placeholder { color: #9ca3af; }
select.form-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .75rem center; background-size: 14px; padding-right: 2.25rem;
}

.fields-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }

.btn-step-next {
  width: 100%; background: var(--brand-primary); color: var(--white);
  font-weight: 700; font-size: .875rem; letter-spacing: .04em;
  padding: .8rem 1.5rem; border: none; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-top: .5rem; transition: background var(--transition), transform var(--transition);
}
.btn-step-next:hover { background: var(--brand-dark); transform: translateY(-1px); }

.btn-row { display: grid; grid-template-columns: 1fr 2fr; gap: .75rem; margin-top: .5rem; }

.btn-step-back {
  background: transparent; color: var(--muted); font-weight: 600; font-size: .875rem;
  padding: .8rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition), color var(--transition);
}
.btn-step-back:hover { border-color: var(--mid); color: var(--dark); }

.btn-submit {
  background: var(--brand-primary); color: var(--white); font-weight: 700; font-size: .875rem; letter-spacing: .04em;
  padding: .8rem 1.25rem; border: none; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-submit:hover { background: var(--brand-dark); transform: translateY(-1px); }

.success-state { text-align: center; padding: 2.5rem 1rem; }
.success-icon { font-size: 3.5rem; color: #22c55e; margin-bottom: 1rem; }
.success-state h3 { font-size: 1.25rem; font-weight: 800; color: var(--dark); margin-bottom: .6rem; }
.success-state p { font-size: .9rem; color: var(--muted); margin-bottom: 1.5rem; }
.btn-back-to-models {
  display: inline-block; background: var(--brand-primary); color: var(--white);
  font-weight: 700; font-size: .85rem; padding: .7rem 1.75rem;
  border-radius: var(--radius-sm); transition: background var(--transition);
}
.btn-back-to-models:hover { background: var(--brand-dark); color: var(--white); }

/* ============ FAQ SECTION ============ */
.faq-section { background: var(--bg); padding: 5rem 0; }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: .75rem; padding: 0; }

.faq-item { background: var(--white); border-radius: var(--radius-md); border: 1.5px solid var(--border); overflow: hidden; }

.faq-question {
  width: 100%; background: none; border: none; padding: 1.2rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: .95rem; font-weight: 600; color: var(--dark); text-align: left;
  cursor: pointer; transition: color var(--transition), background var(--transition);
}
.faq-question:hover { background: var(--bg); color: var(--brand-primary); }
.faq-question[aria-expanded="true"] { color: var(--brand-primary); }

.faq-icon {
  font-size: .8rem; color: var(--muted); flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); color: var(--brand-primary); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding: 0 1.5rem;
}
.faq-answer.open { max-height: 500px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { font-size: .9rem; color: var(--mid); line-height: 1.7; }

/* ============ FOOTER ============ */
.site-footer { background: var(--black); padding: 2.5rem 0; }
.footer-inner { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.footer-logo { height: 48px; width: auto; opacity: .8; }
.footer-brand-name { font-size: .85rem; font-weight: 700; color: rgba(255,255,255,.7); margin-bottom: .25rem; }
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.4); line-height: 1.6; }
.footer-copy small { font-size: .72rem; }

/* ============ FLOATING CTA — Simulador ============ */
.floating-cta {
  position: fixed; bottom: 5.5rem; right: 1.75rem; z-index: 900;
  display: flex; align-items: center; gap: .5rem;
  background: var(--brand-primary); color: var(--white);
  font-weight: 700; font-size: .82rem; letter-spacing: .04em;
  padding: .7rem 1.25rem; border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.floating-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.floating-cta:hover { background: var(--brand-dark); color: var(--white); }

/* ============ FLOATING BTN — WhatsApp ============ */
.whatsapp-btn {
  position: fixed; bottom: 1.75rem; right: 1.75rem; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; box-shadow: 0 4px 16px rgba(37,211,102,.45);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.whatsapp-btn:hover { background: #1ebe5d; transform: scale(1.08); color: var(--white); }

/* ============ CONTAINER OVERRIDE ============ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .models-grid { grid-template-columns: repeat(2,1fr) !important; }
  .stats-grid  { grid-template-columns: repeat(2,1fr); gap: 2rem; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .hero {
    background-position: center center;
    min-height: 100svh; text-align: center;
  }
  .hero-content { max-width: 100%; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }

  .trust-divider { display: none; }
  .stats-section { padding: 2.5rem 0; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 1.25rem; }

  .models-section { padding: 3.5rem 0; }
  .models-grid { grid-template-columns: 1fr !important; }

  .form-section { padding: 3.5rem 0; }
  .form-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-container { padding: 1.5rem; }
  .fields-row { grid-template-columns: 1fr; }

  .faq-section { padding: 3.5rem 0; }

  .footer-inner { justify-content: center; text-align: center; }
  .header-actions .btn-header-ghost { display: none; }
}

@media (max-width: 420px) {
  .hero-title { font-size: 1.85rem; }
  .hero-ctas { flex-direction: column; }
  .btn-primary-hero, .btn-ghost-hero { width: 100%; justify-content: center; }
  .floating-cta span { display: none; }
  .floating-cta { padding: .75rem; bottom: 4.75rem; }
}