/* ── VARIABLES ────────────────────────────────────────────────────────────
   --color-primary se sobreescribe desde config.js vía JS al cargar la página.
   --color-primary-dark y --color-primary-light también se calculan en JS.
   ──────────────────────────────────────────────────────────────────────── */
:root {
  --color-primary:       #1a6fb5;
  --color-primary-dark:  #0f4272;
  --color-primary-light: rgba(26, 111, 181, 0.1);
  --color-text:          #111827;
  --color-text-light:    #6b7280;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f9fafb;
  --color-border:        #e5e7eb;
  --color-whatsapp:      #25D366;
  --font:                'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:              12px;
  --shadow-sm:           0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:           0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg:           0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --transition:          0.2s ease;
  --nav-height:          64px;
}

/* ── RESET ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── LAYOUT ───────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
section { padding: 4rem 0; }

/* ── TIPOGRAFÍA ───────────────────────────────────────────────────────── */
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ── BOTONES ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  font-size: 1rem;
  padding: 0.9rem 2rem;
}
.btn--hero-outline {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.45);
}
.btn--nav {
  background: var(--color-primary);
  color: #fff;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  border-radius: 6px;
}

/* ── NAV ──────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}
.nav__logo img {
  height: 34px;
  width: auto;
  object-fit: contain;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav__links a:not(.btn) {
  color: var(--color-text-light);
  transition: color var(--transition);
}
.nav__links a:not(.btn):hover { color: var(--color-primary); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav__hamburger--open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger--open span:nth-child(2) { opacity: 0; }
.nav__hamburger--open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── HERO ─────────────────────────────────────────────────────────────── */
.hero {
  padding: calc(var(--nav-height) + 5rem) 0 5rem;
  background: linear-gradient(140deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  text-align: center;
  min-height: 88vh;
  display: flex;
  align-items: center;
}
.hero__ciudad {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
}
.hero__nombre {
  font-size: clamp(2.1rem, 7vw, 3.75rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}
.hero__tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  opacity: 0.88;
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
  font-weight: 400;
}
.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── SERVICIOS ────────────────────────────────────────────────────────── */
.servicios { background: var(--color-bg); }
.servicios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.servicio-card {
  padding: 1.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.servicio-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}
.servicio-card__icono {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.servicio-card__icono svg { width: 100%; height: 100%; }
.servicio-card__titulo {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.servicio-card__desc {
  color: var(--color-text-light);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ── POR QUÉ ELEGIRNOS ────────────────────────────────────────────────── */
.por-que { background: var(--color-bg-alt); }
.por-que-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.diferencial {
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-primary);
}
.diferencial__titulo {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}
.diferencial__desc {
  color: var(--color-text-light);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ── GALERÍA ──────────────────────────────────────────────────────────── */
.galeria { background: var(--color-bg); }
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
}
.galeria-item {
  border-radius: calc(var(--radius) / 1.5);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-alt);
}
.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.galeria-item:hover img { transform: scale(1.05); }

/* ── RESEÑAS ──────────────────────────────────────────────────────────── */
.resenas { background: var(--color-bg-alt); }
.resenas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.resena-card {
  background: #fff;
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.resena-card__estrellas {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 0.875rem;
  letter-spacing: 3px;
}
.resena-card__texto {
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  font-style: italic;
}
.resena-card__nombre {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ── CONTACTO ─────────────────────────────────────────────────────────── */
.contacto { background: var(--color-bg); }
.contacto-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.contacto-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contacto-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contacto-item__icono {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-primary-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.contacto-item__icono svg { width: 20px; height: 20px; }
.contacto-item__label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
  font-weight: 600;
}
.contacto-item__value {
  font-weight: 600;
  font-size: 0.975rem;
  color: var(--color-text);
}
.contacto-item__value a { transition: color var(--transition); }
.contacto-item__value a:hover { color: var(--color-primary); }
.contacto-wa { margin-top: 0.5rem; width: 100%; justify-content: center; }
.contacto-mapa { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); }
.contacto-mapa iframe { width: 100%; height: 280px; border: none; display: block; }

/* ── FOOTER ───────────────────────────────────────────────────────────── */
.footer {
  background: #111827;
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2.5rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.8;
}
.footer strong { color: #fff; font-size: 1rem; }
.footer a { color: rgba(255,255,255,0.6); }
.footer a:hover { color: #fff; }
.footer__copy { margin-top: 1rem; font-size: 0.8rem; opacity: 0.5; }

/* ── WHATSAPP FLOTANTE ────────────────────────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  width: 58px;
  height: 58px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.55);
}
.whatsapp-btn svg { width: 30px; height: 30px; fill: #fff; }

/* ── RESPONSIVE — TABLET (640px+) ────────────────────────────────────── */
@media (min-width: 640px) {
  .servicios-grid  { grid-template-columns: repeat(2, 1fr); }
  .por-que-grid    { grid-template-columns: repeat(2, 1fr); }
  .resenas-grid    { grid-template-columns: repeat(2, 1fr); }
  .galeria-grid    { grid-template-columns: repeat(2, 1fr); }
}

/* ── RESPONSIVE — DESKTOP (1024px+) ──────────────────────────────────── */
@media (min-width: 1024px) {
  section { padding: 5.5rem 0; }

  .servicios-grid  { grid-template-columns: repeat(3, 1fr); }
  .por-que-grid    { grid-template-columns: repeat(3, 1fr); }
  .resenas-grid    { grid-template-columns: repeat(3, 1fr); }
  .galeria-grid    { grid-template-columns: repeat(4, 1fr); }

  .contacto-inner  { grid-template-columns: 1fr 1fr; align-items: stretch; }
  .contacto-mapa iframe { height: 380px; }
  .contacto-mapa   { height: 100%; }
  .contacto-wa     { width: auto; margin-top: auto; }
}

/* ── RESPONSIVE — NAV MÓVIL ──────────────────────────────────────────── */
@media (max-width: 767px) {
  .nav__hamburger { display: flex; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav__links--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__links li { text-align: center; }
  .nav__links a:not(.btn) {
    display: block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
  .nav__links .btn--nav {
    display: inline-flex;
    margin: 0.5rem auto 0;
  }
}