:root {
  --navy: #0b2d5c;
  --navy-dark: #061a36;
  --navy-soft: #e7edf6;
  --sky: #4f90dc;
  --ink: #0a0a0a;
  --grey-600: #525252;
  --grey-400: #a3a3a3;
  --grey-200: #e5e5e5;
  --grey-50: #fafafa;
  --bg: #ffffff;
  --radius: 14px;
  --max: 1100px;
}

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

html {
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.015em;
  color: var(--navy);
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

p {
  margin: 0;
}

a {
  color: var(--navy);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--sky);
}

/* ============== TOPBAR ============== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grey-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-name strong {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.brand-name small {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--grey-600);
  letter-spacing: 0.05em;
}

.topnav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
}

@media (max-width: 640px) {
  .topnav {
    display: none;
  }
}

/* ============== HERO ============== */
.hero {
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(79, 144, 220, 0.08), transparent 60%),
    linear-gradient(180deg, var(--navy-soft) 0%, #fff 100%);
  padding: 4.5rem 1.5rem 5rem;
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: center;
}

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sky);
  margin-bottom: 1.25rem;
}

.lead {
  margin: 1.5rem auto 0;
  max-width: 720px;
  font-size: 1.1rem;
  color: var(--grey-600);
}

.cta-row {
  margin-top: 2.25rem;
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  justify-content: center;
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    transform 0.05s ease;
  border: 1px solid transparent;
}

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

.btn.primary {
  background: var(--navy);
  color: #fff;
}

.btn.primary:hover {
  background: var(--navy-dark);
  color: #fff;
}

.btn.ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn.ghost:hover {
  background: var(--navy);
  color: #fff;
}

.btn.big {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

/* ============== SECTION HEAD ============== */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-head p {
  margin-top: 0.5rem;
  color: var(--grey-600);
}

/* ============== PRODUCTOS ============== */
.productos {
  padding: 5rem 1.5rem;
  background: var(--grey-50);
}

.productos-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.producto-card {
  background: #fff;
  border: 1px solid var(--grey-200);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}

.producto-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(11, 45, 92, 0.08);
  border-color: rgba(11, 45, 92, 0.25);
}

.producto-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding: 0.3rem 0.7rem;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.tag-eventos {
  background: rgba(79, 144, 220, 0.15);
  color: var(--sky);
}

.tag-comisiones {
  background: rgba(255, 165, 0, 0.15);
  color: #c47600;
}

.tag-carros {
  background: rgba(34, 139, 89, 0.15);
  color: #1f7a4d;
}

.tag-guardias {
  background: rgba(155, 89, 182, 0.15);
  color: #7a3eaf;
}

.producto-card h3 {
  font-size: 1.4rem;
}

.producto-claim {
  margin: 0.5rem 0 1rem;
  color: var(--grey-600);
  font-size: 0.95rem;
}

.producto-feats {
  flex: 1;
  margin: 0 0 1.5rem;
  padding-left: 1.1rem;
  color: var(--ink);
  font-size: 0.92rem;
}

.producto-feats li {
  margin-bottom: 0.5rem;
}

.producto-cta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.producto-cta .btn {
  justify-content: center;
}

.hint {
  font-size: 0.75rem;
  color: var(--grey-400);
  text-align: center;
}

/* ============== POR QUÉ ============== */
.por-que {
  padding: 5rem 1.5rem;
}

.por-que-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.por-que-grid > div {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--grey-200);
}

.por-que-grid h3 {
  margin: 0.5rem 0;
}

.por-que-grid p {
  color: var(--grey-600);
  font-size: 0.95rem;
}

.num {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--sky);
}

/* ============== CONTACTO ============== */
.contacto {
  padding: 5rem 1.5rem;
  background: var(--navy);
  color: #fff;
}

.contacto-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contacto h2 {
  color: #fff;
}

.contacto p {
  margin-top: 0.75rem;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.contacto .btn.primary {
  background: #fff;
  color: var(--navy);
  margin-top: 2rem;
}

.contacto .btn.primary:hover {
  background: var(--navy-soft);
  color: var(--navy-dark);
}

/* ============== FOOTER ============== */
.footer {
  padding: 1.5rem;
  border-top: 1px solid var(--grey-200);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--grey-600);
}

.footer nav {
  display: flex;
  gap: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  /* La landing mantiene tema claro por consistencia comercial. */
}