/* ============================================================
   MOTOLER — Estilos de marca
   Variables CSS, componentes base, layout responsive
   ============================================================ */

/* ─── Variables de marca ─────────────────────────────────── */
:root {
  --color-rojo:       #FD0000;
  --color-negro:      #000000;
  --color-blanco:     #FFFFFF;
  --color-gris:       #F8F8F8;
  --color-gris-borde: #E0E0E0;
  --color-gris-texto: #666666;

  --border-radius:    8px;
  --border-radius-lg: 12px;

  --font-family: system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-sm:   14px;
  --font-size-lg:   18px;
  --font-size-xl:   24px;
  --font-size-2xl:  32px;
  --font-size-3xl:  48px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.12);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.20);

  --transition: 0.2s ease;
  --max-width:  1200px;
}

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

html { scroll-behavior: smooth; font-size: var(--font-size-base); }

body {
  font-family: var(--font-family);
  color: var(--color-negro);
  background: var(--color-blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

ul { list-style: none; }

/* ─── Tipografía ─────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5vw, var(--font-size-3xl)); font-weight: 800; line-height: 1.1; }
h2 { font-size: clamp(1.5rem, 3vw, var(--font-size-2xl)); font-weight: 700; line-height: 1.2; }
h3 { font-size: clamp(1.1rem, 2vw, var(--font-size-xl)); font-weight: 600; }
p  { font-size: var(--font-size-base); color: var(--color-gris-texto); }

/* ─── Layout helpers ─────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section { padding: 5rem 0; }
.section-dark { background: var(--color-negro); color: var(--color-blanco); }
.section-dark p { color: rgba(255,255,255,0.8); }
.section-gris { background: var(--color-gris); }

/* ─── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-rojo);
  color: var(--color-blanco);
  border-color: var(--color-rojo);
}
.btn-primary:hover {
  background: #d40000;
  border-color: #d40000;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(253,0,0,0.35);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-blanco);
  border-color: var(--color-blanco);
}
.btn-outline-white:hover {
  background: var(--color-blanco);
  color: var(--color-negro);
  text-decoration: none;
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-negro);
  border-color: var(--color-negro);
}
.btn-outline-dark:hover {
  background: var(--color-negro);
  color: var(--color-blanco);
  text-decoration: none;
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: var(--font-size-sm); }
.btn-lg { padding: 1rem 2.5rem; font-size: var(--font-size-lg); }

/* ─── Inputs y formularios ───────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-negro);
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-gris-borde);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background: var(--color-blanco);
  color: var(--color-negro);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-rojo);
  box-shadow: 0 0 0 3px rgba(253,0,0,0.12);
}

input.error, select.error { border-color: var(--color-rojo); }

.form-error {
  color: var(--color-rojo);
  font-size: var(--font-size-sm);
  margin-top: 0.3rem;
}

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.navbar-brand img { height: 36px; width: auto; }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.navbar-nav a {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: color var(--transition);
}
.navbar-nav a:hover { color: var(--color-blanco); text-decoration: none; }

.navbar-actions { display: flex; gap: 0.75rem; align-items: center; }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--color-negro);
  color: var(--color-blanco);
  position: relative;
  overflow: hidden;
  padding: 6rem 1.25rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/static/img/hero-moto.png');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  filter: grayscale(30%);
}

.hero-content { position: relative; z-index: 1; max-width: 720px; }

.hero-logo { height: 80px; width: auto; margin: 0 auto 1.5rem; }

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--color-blanco);
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 2.5rem;
  font-weight: 300;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── Sección "Cómo funciona" ────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-rojo);
  color: var(--color-blanco);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.step-card h3 { color: var(--color-blanco); margin-bottom: 0.5rem; }

/* ─── Tarjetas de beneficios ─────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.benefit-card {
  background: var(--color-blanco);
  border: 1.5px solid var(--color-gris-borde);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  font-size: 2rem;
  color: var(--color-rojo);
  margin-bottom: 1rem;
}

.benefit-card h3 { margin-bottom: 0.5rem; color: var(--color-negro); }

/* ─── Banner CTA final ───────────────────────────────────── */
.cta-banner {
  background: var(--color-rojo);
  color: var(--color-blanco);
  padding: 5rem 0;
  text-align: center;
}
.cta-banner h2 { color: var(--color-blanco); margin-bottom: 1rem; }
.cta-banner p { color: rgba(255,255,255,0.9); margin-bottom: 2rem; font-size: var(--font-size-lg); }

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--color-negro);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand img { height: 32px; margin-bottom: 1rem; }
.footer-brand p { font-size: var(--font-size-sm); }

.footer h4 {
  color: var(--color-blanco);
  font-size: var(--font-size-sm);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer ul { display: flex; flex-direction: column; gap: 0.5rem; }

.footer ul li a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer ul li a:hover { color: var(--color-blanco); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.4);
}

/* ─── Tabs (login/registro) ──────────────────────────────── */
.tabs { display: flex; border-bottom: 2px solid var(--color-gris-borde); margin-bottom: 2rem; }

.tab-btn {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-gris-texto);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn.active {
  color: var(--color-rojo);
  border-bottom-color: var(--color-rojo);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Alertas ────────────────────────────────────────────── */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  margin-bottom: 1rem;
}
.alert-error   { background: #FFF0F0; color: #CC0000; border: 1px solid #FFCCCC; }
.alert-success { background: #F0FFF4; color: #166534; border: 1px solid #BBF7D0; }
.alert-info    { background: #EFF6FF; color: #1D4ED8; border: 1px solid #BFDBFE; }

/* ─── Loading spinner ────────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--color-blanco);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar-nav { display: none; }

  .hero { min-height: 100svh; padding: 5rem 1.25rem 3rem; }

  .section { padding: 3.5rem 0; }

  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 320px; }
}

@media (max-width: 480px) {
  .steps-grid, .benefits-grid { grid-template-columns: 1fr; }
}