/* =============================================
   NUTRI DA SILVA — Estilos principales
   Para editar colores, busca las variables en :root
   ============================================= */

/* ── Variables de diseño ─────────────────────── */
:root {
  --verde-oscuro:   #3d6b4f;
  --verde-medio:    #5a9070;
  --verde-claro:    #8cbf9e;
  --verde-palido:   #e8f3ec;
  --verde-menta:    #f0f7f3;
  --blanco:         #ffffff;
  --gris-claro:     #f8faf9;
  --gris-texto:     #4a4a4a;
  --gris-suave:     #888;
  --negro-suave:    #2c3e2d;
  --sombra:         0 4px 24px rgba(61,107,79,.10);
  --sombra-hover:   0 8px 36px rgba(61,107,79,.18);
  --radio:          12px;
  --radio-grande:   24px;
  --transicion:     .25s ease;
  --fuente-titulo:  'Playfair Display', Georgia, serif;
  --fuente-cuerpo:  'Lato', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--fuente-cuerpo);
  color: var(--negro-suave);
  background: var(--blanco);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--verde-oscuro); text-decoration: none; transition: color var(--transicion); }
a:hover { color: var(--verde-medio); }
ul { list-style: none; }

/* ── Tipografía ───────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--fuente-titulo);
  color: var(--negro-suave);
  line-height: 1.25;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { font-size: 1rem; color: var(--gris-texto); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ── Utilidades ───────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.seccion {
  padding: 5rem 0;
}

.seccion--fondo {
  background: var(--verde-menta);
}

.seccion__etiqueta {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--verde-medio);
  margin-bottom: .75rem;
}

.seccion__titulo {
  margin-bottom: 1rem;
}

.seccion__subtitulo {
  font-size: 1.1rem;
  color: var(--gris-suave);
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.texto-centrado { text-align: center; }
.texto-centrado .seccion__subtitulo { margin-left: auto; margin-right: auto; }

/* ── Botones ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  border-radius: 50px;
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transicion);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn--principal {
  background: var(--verde-oscuro);
  color: var(--blanco);
  border-color: var(--verde-oscuro);
}
.btn--principal:hover {
  background: var(--verde-medio);
  border-color: var(--verde-medio);
  color: var(--blanco);
  transform: translateY(-2px);
  box-shadow: var(--sombra-hover);
}

.btn--secundario {
  background: transparent;
  color: var(--verde-oscuro);
  border-color: var(--verde-oscuro);
}
.btn--secundario:hover {
  background: var(--verde-oscuro);
  color: var(--blanco);
  transform: translateY(-2px);
}

.btn--blanco {
  background: var(--blanco);
  color: var(--verde-oscuro);
  border-color: var(--blanco);
}
.btn--blanco:hover {
  background: transparent;
  color: var(--blanco);
  border-color: var(--blanco);
}

.btn--grande {
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
}

/* ── NAVEGACIÓN ───────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background var(--transicion), box-shadow var(--transicion);
}

.nav.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: 0 2px 20px rgba(61,107,79,.10);
  backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.nav__logo {
  font-family: var(--fuente-titulo);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blanco);
  line-height: 1.2;
  transition: color var(--transicion);
}

.nav__logo span {
  display: block;
  font-family: var(--fuente-cuerpo);
  font-size: .72rem;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  opacity: .85;
}

.nav.scrolled .nav__logo { color: var(--verde-oscuro); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: .95rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  position: relative;
  transition: color var(--transicion);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--blanco);
  transition: width var(--transicion);
  border-radius: 2px;
}
.nav__links a:hover::after,
.nav__links a.activo::after { width: 100%; }

.nav.scrolled .nav__links a { color: var(--negro-suave); }
.nav.scrolled .nav__links a::after { background: var(--verde-oscuro); }

.nav__cta {
  display: none; /* aparece en desktop */
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px;
  z-index: 1001;
  border-radius: 6px;
  transition: background var(--transicion);
}
.nav__hamburger:hover { background: rgba(255,255,255,.15); }

.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: all var(--transicion);
}

.nav.scrolled .nav__hamburger span { background: var(--verde-oscuro); }

/* Hamburger activo → X */
.nav__hamburger.activo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.activo span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.activo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú mobile */
.nav__menu-mobile {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--verde-oscuro);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
}

.nav__menu-mobile.abierto {
  opacity: 1;
  pointer-events: all;
}

.nav__menu-mobile a {
  font-family: var(--fuente-titulo);
  font-size: 2rem;
  color: var(--blanco);
  font-weight: 700;
  transition: color var(--transicion), transform var(--transicion);
  transform: translateY(10px);
}

.nav__menu-mobile.abierto a {
  transform: translateY(0);
}

.nav__menu-mobile a:hover { color: var(--verde-claro); }

/* Botón en menú mobile */
.nav__menu-mobile .btn--blanco {
  background: var(--blanco);
  color: var(--verde-oscuro);
  border-color: var(--blanco);
}

/* ── HERO ─────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--verde-oscuro) 0%,
    var(--verde-medio) 60%,
    #7ab894 100%
  );
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(255,255,255,.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 10% 80%, rgba(0,0,0,.1) 0%, transparent 60%);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 7rem 1.25rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero__etiqueta {
  display: inline-block;
  background: rgba(255,255,255,.18);
  color: rgba(255,255,255,.95);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .4rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.25rem;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.25);
}

.hero__titulo {
  color: var(--blanco);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  margin-bottom: 1rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.15);
}

.hero__titulo em {
  font-style: normal;
  color: #c8e6c9;
}

.hero__texto {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.88);
  margin-bottom: 2rem;
  max-width: 520px;
  line-height: 1.8;
}

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

.hero__imagen-wrapper {
  display: flex;
  justify-content: center;
}

.hero__foto {
  width: 100%;
  height: 500px;
  border-radius: var(--radio-grande);
  object-fit: cover;
  object-position: center;
  border: 4px solid rgba(255,255,255,.3);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

/* Placeholder cuando no hay foto */
.hero__foto-placeholder {
  width: clamp(240px, 60vw, 420px);
  height: clamp(300px, 70vw, 520px);
  border-radius: var(--radio-grande);
  border: 3px dashed rgba(255,255,255,.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(6px);
}

.hero__foto-placeholder span {
  font-size: 3.5rem;
}

.hero__foto-placeholder p {
  color: rgba(255,255,255,.7);
  font-size: .85rem;
  text-align: center;
  padding: 0 1.5rem;
  margin: 0;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.6);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll::after {
  content: '↓';
  font-size: 1.2rem;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ── FRANJA DE CONFIANZA ──────────────────────── */
.confianza {
  padding: 2.5rem 0;
  background: var(--blanco);
  border-bottom: 1px solid var(--verde-palido);
}

.confianza__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.confianza__item {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.confianza__icono {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.confianza__texto strong {
  display: block;
  font-size: .95rem;
  color: var(--negro-suave);
  font-weight: 700;
}

.confianza__texto span {
  font-size: .82rem;
  color: var(--gris-suave);
}

/* ── SOBRE MÍ (teaser) ────────────────────────── */
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.sobre__imagen-wrapper {
  display: flex;
  justify-content: center;
  order: -1;
}

.sobre__foto {
  width: 100%;
  max-width: 380px;
  height: 440px;
  object-fit: cover;
  border-radius: var(--radio-grande);
  box-shadow: var(--sombra);
}

.sobre__foto-placeholder {
  width: 100%;
  max-width: 380px;
  height: 440px;
  border-radius: var(--radio-grande);
  background: var(--verde-palido);
  border: 2px dashed var(--verde-claro);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
}

.sobre__foto-placeholder span { font-size: 3rem; }
.sobre__foto-placeholder p { font-size: .82rem; color: var(--gris-suave); text-align: center; margin: 0; }

.sobre__lista {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-bottom: 1.75rem;
}

.sobre__lista li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .95rem;
  color: var(--gris-texto);
}

.sobre__lista li::before {
  content: '✓';
  color: var(--verde-medio);
  font-weight: 700;
  margin-top: .1rem;
  flex-shrink: 0;
}

/* ── SERVICIOS ────────────────────────────────── */
.servicios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.servicio-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 2rem;
  box-shadow: var(--sombra);
  transition: transform var(--transicion), box-shadow var(--transicion);
  border: 1px solid var(--verde-palido);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.servicio-card__icono {
  font-size: 2.5rem;
  line-height: 1;
}

.servicio-card__titulo {
  margin: 0;
}

.servicio-card__texto {
  flex: 1;
  margin: 0;
}

.servicio-card__precio {
  font-weight: 700;
  color: var(--verde-oscuro);
  font-size: 1rem;
}

/* ── TESTIMONIOS ──────────────────────────────── */
.testimonios__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.testimonio-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 1.75rem;
  box-shadow: var(--sombra);
  border-left: 4px solid var(--verde-claro);
  position: relative;
}

.testimonio-card::before {
  content: '"';
  font-family: var(--fuente-titulo);
  font-size: 5rem;
  color: var(--verde-palido);
  position: absolute;
  top: -.5rem;
  left: 1.25rem;
  line-height: 1;
}

.testimonio-card__texto {
  font-style: italic;
  color: var(--gris-texto);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.testimonio-card__nombre {
  font-weight: 700;
  color: var(--negro-suave);
  font-size: .9rem;
}

.testimonio-card__nombre span {
  font-weight: 400;
  color: var(--gris-suave);
  font-size: .85rem;
  margin-left: .4rem;
}

/* ── CTA CENTRAL ──────────────────────────────── */
.cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde-medio) 100%);
  text-align: center;
}

.cta h2 { color: var(--blanco); margin-bottom: 1rem; }
.cta p  { color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 2rem; }

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

/* ── FOOTER ───────────────────────────────────── */
.footer {
  background: var(--negro-suave);
  color: rgba(255,255,255,.7);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__logo {
  font-family: var(--fuente-titulo);
  font-size: 1.3rem;
  color: var(--blanco);
  font-weight: 700;
  display: block;
  margin-bottom: .75rem;
}

.footer__desc { font-size: .9rem; line-height: 1.7; margin: 0; color: var(--blanco); }

.footer__titulo {
  font-family: var(--fuente-cuerpo);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--verde-claro);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer__links a {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
  transition: color var(--transicion);
}
.footer__links a:hover { color: var(--verde-claro); }

.footer__social {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.8);
  padding: .5rem 1rem;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--transicion);
  border: 1px solid rgba(255,255,255,.1);
}
.footer__social a:hover {
  background: var(--verde-medio);
  color: var(--blanco);
  border-color: var(--verde-medio);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.85);
}

/* ── PÁGINA INTERNA: encabezado ───────────────── */
.pagina-header {
  background: linear-gradient(135deg, var(--verde-oscuro) 0%, var(--verde-medio) 100%);
  padding: 8rem 0 4rem;
  text-align: center;
}

.pagina-header h1 { color: var(--blanco); margin-bottom: .5rem; }
.pagina-header p  { color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ── MIGAS / breadcrumb ───────────────────────── */
.breadcrumb {
  padding: 1rem 0;
  background: var(--verde-menta);
  font-size: .85rem;
}

.breadcrumb a { color: var(--verde-medio); }
.breadcrumb span { color: var(--gris-suave); }

/* ── FORMULARIO ───────────────────────────────── */
.form-contacto {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-grupo {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form-grupo label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--negro-suave);
}

.form-grupo input,
.form-grupo textarea,
.form-grupo select {
  padding: .85rem 1.1rem;
  border: 2px solid #dde7e2;
  border-radius: var(--radio);
  font-family: var(--fuente-cuerpo);
  font-size: 1rem;
  color: var(--negro-suave);
  background: var(--blanco);
  transition: border-color var(--transicion), box-shadow var(--transicion);
  width: 100%;
  appearance: none;
}

.form-grupo input:focus,
.form-grupo textarea:focus,
.form-grupo select:focus {
  outline: none;
  border-color: var(--verde-medio);
  box-shadow: 0 0 0 3px rgba(90,144,112,.15);
}

.form-grupo textarea { min-height: 140px; resize: vertical; }

/* ── RESPONSIVE — Tablet (768px+) ────────────── */
@media (min-width: 768px) {
  .seccion { padding: 6rem 0; }

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

  .hero__grid {
    grid-template-columns: 1fr 1fr;
    padding-bottom: 5rem;
  }
  .hero__imagen-wrapper { order: 0; }

  .sobre__grid {
    grid-template-columns: 1fr 1fr;
  }
  .sobre__imagen-wrapper { order: 0; }

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

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

  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }

  .nav__cta {
    display: inline-flex;
    padding: .55rem 1.4rem;
    font-size: .88rem;
  }
}

/* ── RESPONSIVE — Desktop (1024px+) ──────────── */
@media (min-width: 1024px) {
  .nav__hamburger { display: none; }
  .nav__menu-mobile { display: none !important; }
  .nav__links { display: flex; }

  .hero__titulo { font-size: 3.8rem; }

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

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

/* Solo en mobile: ocultar nav links de desktop */
@media (max-width: 1023px) {
  .nav__links { display: none; }
}

/* ── ANIMACIONES ──────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}