/* =============================================
   NEXO SALUD — Kinesiología · Fabi WebDev
   Paleta fiel al Instagram real del cliente
   ============================================= */

:root {
  /* Identidad visual fiel al cliente */
  --verde:        #6B7A3E;   /* verde oliva de los posts */
  --verde-dark:   #525f2e;
  --verde-pale:   #f0f2e8;   /* fondo muy suave verdoso */
  --cream:        #F5F4F0;   /* fondo principal cálido */
  --cream-2:      #EDECEA;   /* un tono más oscuro */
  --negro:        #1A1A1A;
  --negro-2:      #2d2d2d;
  --gris:         #6b6b6b;
  --gris-claro:   #c8c8c4;
  --linea:        #e0ddd8;
  --white:        #ffffff;

  --font-display: 'Outfit', sans-serif;
  --font-serif:   'Cormorant Garamond', Georgia, serif;

  --radius:    12px;
  --radius-sm: 6px;
  --trans:     0.3s ease;
}

/* ─── RESET ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 113%; }
body {
  font-family: var(--font-display);
  background: var(--cream);
  color: var(--negro);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── LAYOUT ─────────────────────────────── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
}

/* ─── NAV ────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--trans), padding var(--trans), border-color var(--trans);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(245, 244, 240, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.85rem 0;
  border-bottom-color: var(--linea);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo — fiel al original */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.3em;
}
/* Por defecto el nav flota transparente sobre la foto del hero: texto claro. */
.logo-nexo { color: var(--white); transition: color var(--trans); }
.logo-salud { color: #c9d6a3; transition: color var(--trans); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.88);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: color var(--trans);
}
.nav-link:hover { color: var(--white); }
.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--verde);
  color: var(--white);
  padding: 0.55rem 1.25rem;
  border-radius: 50px;
  margin-left: 0.75rem;
  transition: background var(--trans), transform var(--trans);
}
.nav-cta:hover { background: var(--verde-dark); transform: translateY(-1px); }

/* Íconos de redes sociales en el nav */
.nav-social {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-left: 0.9rem;
  padding-left: 0.9rem;
  border-left: 1px solid rgba(255,255,255,0.25);
}
.nav-social a {
  display: flex;
  color: var(--white);
  opacity: 0.9;
  transition: color var(--trans), opacity var(--trans);
}
.nav-social a:hover { opacity: 1; }
.nav-social svg { width: 18px; height: 18px; }

/* Al hacer scroll el nav pasa a fondo crema: todo vuelve a los tonos oscuros */
.nav.scrolled .logo-nexo { color: var(--negro); }
.nav.scrolled .logo-salud { color: var(--verde); }
.nav.scrolled .nav-link { color: var(--gris); }
.nav.scrolled .nav-link:hover { color: var(--negro); }
.nav.scrolled .nav-social { border-left-color: var(--linea); }
.nav.scrolled .nav-social a { color: var(--verde-dark); }
.nav.scrolled .hamburger span { background: var(--negro); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--trans);
}
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    inset: 0;
    background: var(--cream);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--trans);
    z-index: 150;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.4rem; color: var(--negro); }
  .nav-cta { font-size: 1.1rem; padding: 0.9rem 2.5rem; margin-left: 0; }
  .nav-social { margin-left: 0; padding-left: 0; border-left: none; margin-top: 0.5rem; }
  .nav-social a { color: var(--verde); }
  .hamburger.active span { background: var(--negro); }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

/* ─── BOTONES ─────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--verde);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
}
.btn-primary:hover {
  background: var(--verde-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107, 122, 62, 0.25);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--negro);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.85rem 1.75rem;
  border-radius: 50px;
  border: 1.5px solid var(--linea);
  transition: border-color var(--trans), background var(--trans);
}
.btn-ghost:hover {
  border-color: var(--verde);
  background: var(--verde-pale);
}

/* ─── REVEAL ─────────────────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.65s ease, transform 0.65s ease;
  transition-delay: var(--d, 0s);
}
.reveal-up    { transform: translateY(30px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: none; }

/* ─── HERO ────────────────────────────────── */
.hero {
  position: relative;
  height: clamp(560px, 82vh, 820px);
  display: flex;
  align-items: center;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('../img/hero-lucas.jpg');
  background-size: cover;
  background-position: center center;
}
.hero-left {
  position: relative;
  z-index: 1;
  max-width: 620px;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c9d6a3;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.6rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: #c9d6a3;
}
.hero-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.7;
  margin-bottom: 2.25rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-left .btn-ghost {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.hero-left .btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.12);
}

@media (max-width: 900px) {
  .hero { height: 78vh; min-height: 480px; }
  .hero-bg { background-position: 75% center; }
}

/* ─── STRIP ──────────────────────────────── */
.strip-wrap {
  overflow: hidden;
  border-top: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
  background: var(--cream-2);
  padding: 1rem 0;
}
.strip-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  animation: scroll-strip 24s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.strip-inner span {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
}
.strip-inner .sep {
  color: var(--verde);
  font-weight: 400;
}
@keyframes scroll-strip {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); }
}

/* ─── SERVICIOS ──────────────────────────── */
.servicios {
  padding: 100px 0;
  background: var(--white);
}
.section-header {
  margin-bottom: 4rem;
}
.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--negro);
}
.section-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--verde);
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  overflow: hidden;
}
.servicio-card {
  background: var(--white);
  padding: 0 0 2rem;
  position: relative;
  transition: background var(--trans);
}
.servicio-card:hover { background: var(--verde-pale); }
.servicio-img {
  aspect-ratio: 1/1;
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.servicio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.servicio-card:hover .servicio-img img { transform: scale(1.05); }
.card-num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--verde);
  margin: 0 1.75rem 1rem;
}
.servicio-card h3,
.servicio-card p { margin-left: 1.75rem; margin-right: 1.75rem; }
.servicio-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.servicio-card p {
  font-size: 0.83rem;
  color: var(--gris);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .card-num { margin: 0 1rem 0.6rem; font-size: 0.65rem; }
  .servicio-card h3, .servicio-card p { margin-left: 1rem; margin-right: 1rem; }
  .servicio-card h3 { font-size: 0.88rem; margin-bottom: 0.5rem; }
  .servicio-card p { font-size: 0.74rem; line-height: 1.5; }
  .servicio-card { padding-bottom: 1.25rem; }
  .servicio-img { margin-bottom: 0.9rem; }
}

/* ─── SOBRE MÍ ───────────────────────────── */
.sobre-mi {
  padding: 100px 0;
  background: var(--cream);
  border-top: 1px solid var(--linea);
}
.sobre-inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 6rem;
  align-items: center;
}
.sobre-img-frame {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--linea);
}
.sobre-foto {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.sobre-badge {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.sobre-badge strong {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--negro);
}
.sobre-badge span {
  font-size: 0.78rem;
  color: var(--gris);
}

.sobre-text-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.sobre-text-col .section-title { margin-bottom: 1.5rem; }
.sobre-p {
  font-size: 0.93rem;
  color: var(--gris);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.sobre-items {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--linea);
}
.sobre-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--negro-2);
  line-height: 1.5;
}
.sobre-check {
  color: var(--verde);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05em;
}

@media (max-width: 820px) {
  .sobre-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .sobre-img-col { max-width: 340px; margin: 0 auto; width: 100%; }
  .sobre-img-frame { width: 100%; }
  .sobre-foto { width: 100%; height: auto; aspect-ratio: 4/5; }
  .sobre-badge { text-align: center; align-items: center; }
}

/* ─── FAQ ────────────────────────────────── */
.faq {
  padding: 100px 0;
  background: var(--cream);
  border-top: 1px solid var(--linea);
}
.faq-groups {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  max-width: 820px;
  margin: 0 auto;
}
.faq-group-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--linea);
}
.faq-item {
  border-bottom: 1px solid var(--linea);
}
.faq-pregunta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--negro);
  padding: 1.1rem 0.25rem;
  cursor: pointer;
  transition: color var(--trans);
}
.faq-pregunta:hover { color: var(--verde-dark); }
.faq-pregunta::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--verde);
  transition: transform var(--trans);
}
.faq-pregunta[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq-respuesta {
  font-size: 0.88rem;
  color: var(--gris);
  line-height: 1.75;
  padding: 0 0.25rem;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.25s ease, padding-bottom 0.35s ease;
}
.faq-respuesta.open {
  padding-bottom: 1.25rem;
  opacity: 1;
}

/* ─── CONTACTO ───────────────────────────── */
.contacto {
  padding: 100px 0;
  background: var(--white);
  border-top: 1px solid var(--linea);
}
.contacto-sub {
  font-size: 0.92rem;
  color: var(--gris);
  margin-top: 0.6rem;
}
.section-header { margin-bottom: 3.5rem; }
.contacto-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.contacto-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.75rem 1.25rem;
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  background: var(--cream);
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.contacto-card:hover {
  border-color: var(--verde);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(107,122,62,0.1);
}
.ccard-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ccard-icon svg { width: 22px; height: 22px; }
.wa-icon  { background: rgba(37,211,102,0.1);  color: #25D366; }
.ig-icon  { background: rgba(193,53,132,0.1);  color: #C13584; }
.fb-icon  { background: rgba(24,119,242,0.1);  color: #1877F2; }
.loc-icon { background: var(--verde-pale);       color: var(--verde); }
.ccard-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}
.ccard-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gris);
}
.ccard-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--negro);
  line-height: 1.3;
  white-space: nowrap;
}
.ccard-val--tight {
  font-size: 0.78rem;
  letter-spacing: -0.01em;
}
.ccard-val--wrap {
  white-space: normal;
  overflow-wrap: break-word;
}
.ccard-cta {
  font-size: 0.78rem;
  color: var(--verde);
  font-weight: 500;
}

@media (max-width: 900px) {
  .contacto-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .contacto-cards { grid-template-columns: 1fr; }
}

.contacto-map {
  margin-top: 1.25rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--linea);
  filter: grayscale(0.15) contrast(1.02);
}
.contacto-map iframe {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

/* ─── FOOTER ─────────────────────────────── */
.footer {
  background: var(--negro);
  padding: 3.5rem 0 2rem;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.footer-brand {}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.footer-logo .logo-nexo { color: var(--white); }
.footer-logo .logo-salud { color: var(--verde); }
.footer-sub {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.25rem;
}
.footer-mp {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
  text-align: right;
}
.footer-nav a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--white); }
.footer-copy {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.25);
  text-align: right;
}
@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: left;
  }
  .footer-right { align-items: flex-start; }
  .footer-nav { align-items: flex-start; text-align: left; }
  .footer-copy { text-align: left; }
}

/* ─── WHATSAPP FLOTANTE ──────────────────── */
.wa-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: white;
  border-radius: 50px;
  padding: 0.75rem 1.25rem 0.75rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
  transition: transform var(--trans), box-shadow var(--trans), padding var(--trans);
  overflow: hidden;
}
.wa-float svg { width: 22px; height: 22px; flex-shrink: 0; }
.wa-label {
  white-space: nowrap;
  transition: max-width 0.35s ease, opacity 0.3s ease;
}
.wa-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
}
/* Colapsa a solo ícono en móvil muy pequeño */
@media (max-width: 360px) {
  .wa-label { display: none; }
  .wa-float { padding: 0.85rem; border-radius: 50%; }
}