/* ============================================================
   Grupo Nexus — Gestión Integral de Propiedades
   Paleta: navy #0f1c2b · dorado #c99e4f · blanco
   ============================================================ */

:root {
  --navy: #0f1c2b;
  --navy-soft: #182a3d;
  --navy-light: #22374e;
  --gold: #c99e4f;
  --gold-soft: #dcb96f;
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --text: #24313f;
  --text-muted: #5e6d7c;
  --line: #e4e8ec;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 28, 43, 0.08);
  --shadow-lg: 0 18px 50px rgba(15, 28, 43, 0.14);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* ---------- Tipografía ---------- */
h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.22;
  color: var(--navy);
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

h3 {
  font-size: 1.12rem;
}

.kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.section-intro {
  max-width: 640px;
  color: var(--text-muted);
  margin-top: 0.8rem;
}

section {
  padding: 4.5rem 0;
}

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

.section-dark {
  background: var(--navy);
}

.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-dark p {
  color: #b9c4cf;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
}

.btn-gold:hover {
  background: var(--gold-soft);
  box-shadow: 0 8px 22px rgba(201, 158, 79, 0.35);
}

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

.btn-navy:hover {
  background: var(--navy-light);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-outline-navy {
  border-color: var(--navy);
  color: var(--navy);
}

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

.btn-wa {
  background: #25d366;
  color: #fff;
}

.btn-wa:hover {
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.35);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 28, 43, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand img {
  width: 44px;
  height: 44px;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name .top {
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  color: var(--gold);
  font-weight: 600;
}

.brand-name .main {
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  color: #fff;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-links a {
  color: #cfd8e0;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
}

.nav-links .btn {
  color: var(--navy);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.7rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  color: #fff;
  background: linear-gradient(rgba(15, 28, 43, 0.72), rgba(15, 28, 43, 0.82)),
    url('https://images.unsplash.com/photo-1519046904884-53103b34b206?auto=format&fit=crop&w=1800&q=70') center/cover no-repeat;
  padding: 5rem 0;
}

.hero h1 {
  color: #fff;
  max-width: 780px;
}

.hero p.lead {
  margin: 1.2rem 0 2.2rem;
  font-size: 1.15rem;
  color: #d7dee5;
  max-width: 620px;
}

.hero-logo {
  width: 92px;
  height: 92px;
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-actions .btn {
  padding: 1.05rem 2.1rem;
  font-size: 1rem;
}

.hero-inner-page {
  min-height: 44vh;
  padding: 4rem 0 3rem;
}

/* ---------- Cards genéricas ---------- */
.grid {
  display: grid;
  gap: 1.6rem;
  margin-top: 2.4rem;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.card .icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(201, 158, 79, 0.14);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* pasos numerados */
.step {
  position: relative;
}

.step .num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.85;
  line-height: 1;
  margin-bottom: 0.8rem;
}

/* ---------- Propiedades ---------- */
.prop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
  margin-top: 2rem;
}

.prop-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.prop-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.prop-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.prop-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.prop-card:hover .prop-media img {
  transform: scale(1.05);
}

.prop-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--navy);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.prop-body {
  padding: 1.3rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}

.prop-body h3 {
  font-size: 1.05rem;
}

.prop-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.prop-meta span {
  font-size: 0.76rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
}

.prop-price {
  font-weight: 700;
  color: var(--navy);
  font-size: 1.05rem;
}

.prop-price small {
  font-weight: 500;
  color: var(--text-muted);
}

.prop-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.6rem;
}

.prop-actions .btn {
  flex: 1;
}

/* ---------- Filtros ---------- */
.filters {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.6rem;
  align-items: flex-end;
  margin-top: -3.2rem;
  position: relative;
  z-index: 5;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.filter-group select {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.8rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: #fff;
  min-width: 150px;
}

.filter-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
}

.chip input {
  display: none;
}

.chip:has(input:checked) {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.filters-empty {
  display: none;
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
}

/* ---------- Formularios ---------- */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2.2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: #fff;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(201, 158, 79, 0.45);
  border-color: var(--gold);
}

.form-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.form-status {
  display: none;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: 0.95rem;
  margin-top: 1rem;
}

.form-status.ok {
  display: block;
  background: #e8f6ee;
  color: #1c6b3c;
  border: 1px solid #bfe5cd;
}

.form-status.err {
  display: block;
  background: #fdeeee;
  color: #9c3535;
  border: 1px solid #f2cccc;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 760px;
  margin: 2rem auto 0;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 1.1rem 1.4rem;
  margin-bottom: 0.8rem;
}

.faq summary {
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq summary::after {
  content: '+';
  color: var(--gold);
  font-size: 1.3rem;
  font-weight: 400;
}

.faq details[open] summary::after {
  content: '–';
}

.faq details p {
  margin-top: 0.7rem;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* ---------- Testimonios ---------- */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
}

.quote-card p {
  color: var(--text);
  font-size: 0.97rem;
  font-style: italic;
}

.quote-card .who {
  margin-top: 1rem;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.stars {
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 0.6rem;
}

/* ---------- CTA banda ---------- */
.cta-band {
  text-align: center;
}

.cta-band .btn {
  margin-top: 1.6rem;
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  font-size: 1.6rem;
  transition: transform 0.15s;
}

.wa-float:hover {
  transform: scale(1.08);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #b9c4cf;
  padding: 3.5rem 0 1.8rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 2.2rem;
}

.site-footer h4 {
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.site-footer a:hover {
  color: var(--gold);
}

.site-footer li {
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 46px;
  height: 46px;
}

.footer-desc {
  font-size: 0.9rem;
  max-width: 300px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2.6rem;
  padding-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #8595a5;
}

.footer-bottom a {
  color: var(--gold);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {

  .grid-3,
  .grid-4,
  .prop-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--navy);
    padding: 1.2rem 4%;
    gap: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-links.open {
    display: flex;
  }
}

@media (max-width: 620px) {

  .grid-2,
  .grid-3,
  .grid-4,
  .prop-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 70vh;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .filters {
    margin-top: -2rem;
  }

  section {
    padding: 3.2rem 0;
  }
}