/* =====================================================
   SERENA · Landing para consultas de psicología
   Paleta mediterránea: petróleo · aguamarina · marfil · arcilla
   Dissenyat per Marketizados
   ===================================================== */

:root{
  --tinta:#16333e;        /* azul petróleo muy profundo (texto) */
  --petroleo:#1f5461;     /* primario */
  --petroleo-suave:#2e6f7d;
  --aqua:#7fb6b0;         /* secundario */
  --aqua-bruma:#e3efec;   /* fondos suaves */
  --marfil:#f7f4ee;       /* fondo general */
  --blanco:#ffffff;
  --arcilla:#c96f4f;      /* acento CTA */
  --arcilla-osc:#b05a3c;
  --gris:#5b6f76;

  --f-display:"Fraunces",Georgia,serif;
  --f-body:"Figtree",system-ui,sans-serif;

  --radio:20px;
  --sombra:0 10px 40px rgba(22,51,62,.08);
  --sombra-alta:0 18px 60px rgba(22,51,62,.14);
  --ancho:1140px;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body.serena{
  font-family:var(--f-body);
  color:var(--tinta);
  background:var(--marfil);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; }

.s-wrap{ max-width:var(--ancho); margin:0 auto; padding:0 24px; }

h1,h2,h3,h4{ font-family:var(--f-display); font-weight:500; letter-spacing:-.015em; line-height:1.15; }
h1{ font-size:clamp(2.4rem,5.2vw,4rem); }
h2{ font-size:clamp(1.9rem,3.6vw,2.7rem); margin-bottom:.6em; }
h3{ font-size:1.28rem; }

.s-eyebrow{
  display:inline-flex; align-items:center; gap:.55rem;
  font-size:.82rem; font-weight:700; letter-spacing:.14em;
  text-transform:uppercase; color:var(--petroleo);
  margin-bottom:1rem;
}
.s-eyebrow::before{
  content:""; width:26px; height:2px; background:var(--aqua); border-radius:2px;
}

.s-sub{ color:var(--gris); max-width:640px; }
section{ padding:96px 0; position:relative; }

/* ---------- Botones ---------- */
.s-btn{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.95rem 1.9rem; border-radius:999px;
  font-weight:700; font-size:1rem; cursor:pointer;
  border:none; transition:transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.s-btn:focus-visible{ outline:3px solid var(--aqua); outline-offset:2px; }
.s-btn-primario{ background:var(--arcilla); color:#fff; box-shadow:0 8px 24px rgba(201,111,79,.35); }
.s-btn-primario:hover{ background:var(--arcilla-osc); transform:translateY(-2px); }
.s-btn-secundario{ background:transparent; color:var(--petroleo); border:2px solid var(--petroleo); }
.s-btn-secundario:hover{ background:var(--petroleo); color:#fff; transform:translateY(-2px); }
.s-btn-blanco{ background:#fff; color:var(--petroleo); box-shadow:var(--sombra); }
.s-btn-blanco:hover{ transform:translateY(-2px); box-shadow:var(--sombra-alta); }

/* ---------- Header ---------- */
.s-header{
  position:fixed; inset:0 0 auto 0; z-index:60;
  background:rgba(247,244,238,.85); backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(22,51,62,.06);
  transition:box-shadow .25s ease;
}
.s-header.con-sombra{ box-shadow:0 6px 24px rgba(22,51,62,.08); }
.s-header-in{
  max-width:var(--ancho); margin:0 auto; padding:14px 24px;
  display:flex; align-items:center; gap:2rem;
}
.s-logo{ display:flex; flex-direction:column; line-height:1.2; }
.s-logo strong{ font-family:var(--f-display); font-size:1.25rem; color:var(--tinta); }
.s-logo span{ font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--gris); }

.s-nav{ display:flex; gap:1.6rem; margin-left:auto; }
.s-nav a{ font-weight:600; font-size:.95rem; color:var(--tinta); position:relative; }
.s-nav a::after{
  content:""; position:absolute; left:0; bottom:-6px; width:0; height:2px;
  background:var(--arcilla); transition:width .2s ease;
}
.s-nav a:hover::after{ width:100%; }

.s-header .s-btn{ padding:.65rem 1.3rem; font-size:.9rem; }
.s-badge-gratis{
  font-size:.78rem; font-weight:700; color:var(--petroleo);
  background:var(--aqua-bruma); padding:.45rem .9rem; border-radius:999px;
  white-space:nowrap;
}

.s-burger{ display:none; margin-left:auto; background:none; border:none; cursor:pointer; padding:8px; }
.s-burger span{ display:block; width:24px; height:2px; background:var(--tinta); margin:5px 0; border-radius:2px; transition:.2s; }

/* ---------- Hero ---------- */
.s-hero{
  min-height:100vh; display:flex; align-items:center;
  padding:140px 0 80px;
  background:
    radial-gradient(1100px 600px at 85% 0%, var(--aqua-bruma) 0%, transparent 60%),
    radial-gradient(800px 500px at 0% 100%, rgba(201,111,79,.08) 0%, transparent 55%),
    var(--marfil);
  overflow:hidden;
}
.s-hero-in{ display:grid; grid-template-columns:1.15fr .85fr; gap:4rem; align-items:center; }
.s-hero h1{ margin-bottom:1.2rem; }
.s-hero h1 em{ font-style:italic; color:var(--petroleo); }
.s-hero p{ font-size:1.15rem; color:var(--gris); max-width:520px; margin-bottom:2rem; }
.s-hero-ctas{ display:flex; gap:1rem; flex-wrap:wrap; }

/* Firma: círculo de respiración */
.s-respira{ display:flex; flex-direction:column; align-items:center; gap:1.4rem; }
.s-respira-circulo{
  width:min(320px,70vw); aspect-ratio:1; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background:radial-gradient(circle at 35% 30%, #fff 0%, var(--aqua-bruma) 55%, var(--aqua) 130%);
  box-shadow:var(--sombra-alta), inset 0 0 0 1px rgba(255,255,255,.6);
  position:relative;
  animation:respirar 8s ease-in-out infinite;
}
.s-respira-circulo::before,
.s-respira-circulo::after{
  content:""; position:absolute; inset:-22px; border-radius:50%;
  border:1.5px solid rgba(127,182,176,.4);
  animation:onda 8s ease-in-out infinite;
}
.s-respira-circulo::after{ inset:-44px; border-color:rgba(127,182,176,.22); animation-delay:.4s; }
.s-respira-texto{
  font-family:var(--f-display); font-size:1.35rem; font-style:italic;
  color:var(--petroleo); text-align:center;
}
.s-respira-hint{ font-size:.85rem; color:var(--gris); letter-spacing:.06em; text-transform:uppercase; }

@keyframes respirar{
  0%,100%{ transform:scale(.92); }
  40%,60%{ transform:scale(1.04); }
}
@keyframes onda{
  0%,100%{ transform:scale(.96); opacity:.9; }
  40%,60%{ transform:scale(1.06); opacity:.4; }
}
@media (prefers-reduced-motion:reduce){
  .s-respira-circulo, .s-respira-circulo::before, .s-respira-circulo::after{ animation:none; }
  .s-reveal{ opacity:1 !important; transform:none !important; }
}

/* ---------- Separador de ola ---------- */
.s-ola{ display:block; width:100%; height:70px; margin-bottom:-1px; }
.s-ola path{ fill:currentColor; }

/* ---------- Síntomas ---------- */
.s-sintomas{ background:var(--blanco); }
.s-grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem; margin-top:2.6rem; }
.s-card{
  background:var(--marfil); border-radius:var(--radio); padding:1.8rem 1.6rem;
  border:1px solid rgba(22,51,62,.05); transition:transform .2s ease, box-shadow .2s ease;
}
.s-card:hover{ transform:translateY(-5px); box-shadow:var(--sombra); }
.s-card h3{ margin:.9rem 0 .5rem; font-size:1.12rem; }
.s-card p{ font-size:.95rem; color:var(--gris); }
.s-icono{
  width:52px; height:52px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  background:var(--aqua-bruma); color:var(--petroleo); font-size:1.5rem;
}
.s-cierre-sintomas{
  margin-top:2.6rem; text-align:center; font-family:var(--f-display);
  font-size:1.35rem; font-style:italic; color:var(--petroleo);
}

/* ---------- Sobre mí ---------- */
.s-sobre{ background:var(--aqua-bruma); }
.s-sobre-in{ display:grid; grid-template-columns:.9fr 1.1fr; gap:4rem; align-items:center; }
.s-foto-marco{
  border-radius:50% 50% var(--radio) var(--radio) / 42% 42% var(--radio) var(--radio);
  overflow:hidden; box-shadow:var(--sombra-alta);
  background:linear-gradient(160deg, var(--aqua) 0%, var(--petroleo) 100%);
  aspect-ratio:4/5; display:flex; align-items:center; justify-content:center;
}
.s-foto-marco img{ width:100%; height:100%; object-fit:cover; }
.s-foto-placeholder{
  color:#fff; text-align:center; padding:2rem; font-family:var(--f-display);
}
.s-foto-placeholder strong{ font-size:4rem; display:block; }
.s-stats{ display:flex; gap:2.5rem; margin-top:2rem; }
.s-stat strong{ font-family:var(--f-display); font-size:2.2rem; color:var(--petroleo); display:block; }
.s-stat span{ font-size:.85rem; color:var(--gris); letter-spacing:.06em; text-transform:uppercase; }

/* ---------- Áreas ---------- */
.s-grid-areas{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; margin-top:2.6rem; }

/* ---------- Tests ---------- */
.s-tests{ background:var(--petroleo); color:#fff; }
.s-tests .s-eyebrow{ color:var(--aqua); }
.s-tests h2, .s-tests h3{ color:#fff; }
.s-tests .s-sub{ color:rgba(255,255,255,.75); }
.s-grid-tests{ display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; margin:2.6rem 0; }
.s-test-chip{
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14);
  border-radius:16px; padding:1.1rem 1rem; text-align:center;
  font-weight:600; font-size:.95rem; color:#fff; text-decoration:none;
  transition:background .2s ease, transform .2s ease;
}
.s-test-chip:hover{ background:rgba(255,255,255,.16); transform:translateY(-3px); }
.s-test-chip span{ display:block; font-size:1.6rem; margin-bottom:.4rem; }

/* ---------- Formación ---------- */
.s-chips{ display:flex; flex-wrap:wrap; gap:.7rem; margin-top:2rem; }
.s-chip{
  background:#fff; border:1px solid rgba(22,51,62,.08); border-radius:999px;
  padding:.6rem 1.2rem; font-size:.92rem; font-weight:600; color:var(--petroleo);
  box-shadow:0 3px 12px rgba(22,51,62,.05);
}

/* ---------- Espacio ---------- */
.s-espacio{ background:var(--blanco); }
.s-espacio-in{ display:grid; grid-template-columns:1.05fr .95fr; gap:4rem; align-items:center; }
.s-cita{
  margin-top:2rem; padding:1.4rem 1.6rem; border-left:3px solid var(--aqua);
  background:var(--marfil); border-radius:0 var(--radio) var(--radio) 0;
  font-family:var(--f-display); font-style:italic; font-size:1.1rem; color:var(--petroleo);
}
.s-cita footer{ font-family:var(--f-body); font-style:normal; font-size:.85rem; color:var(--gris); margin-top:.5rem; }

/* ---------- Testimonios ---------- */
.s-testimonios{ background:var(--marfil); }
.s-grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; margin-top:2.6rem; }
.s-testimonio{
  background:#fff; border-radius:var(--radio); padding:2rem 1.8rem;
  box-shadow:var(--sombra); display:flex; flex-direction:column; gap:1.2rem;
}
.s-testimonio p{ font-style:italic; color:var(--gris); }
.s-testimonio p::before{ content:"« "; color:var(--aqua); font-weight:700; }
.s-testimonio p::after{ content:" »"; color:var(--aqua); font-weight:700; }
.s-testimonio footer strong{ display:block; color:var(--tinta); }
.s-testimonio footer span{ font-size:.85rem; color:var(--arcilla); font-weight:600; }

/* ---------- Servicios ---------- */
.s-servicios{ background:var(--blanco); }
.s-servicio{
  display:grid; grid-template-columns:1fr 1fr; gap:3.5rem; align-items:center;
  padding:3.2rem 0; border-bottom:1px solid rgba(22,51,62,.07);
}
.s-servicio:last-child{ border-bottom:none; }
.s-servicio:nth-child(even) .s-servicio-media{ order:-1; }
.s-servicio-num{
  font-size:.82rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--arcilla); margin-bottom:.6rem;
}
.s-servicio ul{ margin:1.2rem 0 1.8rem; display:grid; gap:.55rem; }
.s-servicio ul li{ padding-left:1.6rem; position:relative; color:var(--gris); }
.s-servicio ul li::before{
  content:"✦"; position:absolute; left:0; color:var(--aqua);
}
.s-servicio-media{
  border-radius:var(--radio); aspect-ratio:4/3; overflow:hidden;
  box-shadow:var(--sombra-alta);
  display:flex; align-items:center; justify-content:center;
  font-size:4rem; color:#fff;
}
.s-media-1{ background:linear-gradient(150deg,var(--aqua) 0%,var(--petroleo) 90%); }
.s-media-2{ background:linear-gradient(150deg,#e8b39b 0%,var(--arcilla) 90%); }
.s-media-3{ background:linear-gradient(150deg,var(--petroleo-suave) 0%,var(--tinta) 90%); }

/* ---------- Enfoque (comparativa) ---------- */
.s-enfoque{ background:var(--aqua-bruma); }
.s-enfoque .s-grid-3{ align-items:stretch; }
.s-col-enfoque{
  background:#fff; border-radius:var(--radio); padding:2rem 1.8rem;
  display:flex; flex-direction:column; gap:.8rem;
}
.s-col-enfoque.destacada{
  background:var(--petroleo); color:#fff; transform:scale(1.04);
  box-shadow:var(--sombra-alta);
}
.s-col-enfoque.destacada h3{ color:#fff; }
.s-col-enfoque .s-tag{
  align-self:flex-start; font-size:.75rem; font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; padding:.35rem .8rem; border-radius:999px;
  background:var(--marfil); color:var(--gris);
}
.s-col-enfoque.destacada .s-tag{ background:var(--arcilla); color:#fff; }
.s-col-enfoque ul{ display:grid; gap:.5rem; margin-top:.4rem; }
.s-col-enfoque ul li{ padding-left:1.5rem; position:relative; font-size:.95rem; }
.s-col-enfoque ul li::before{ content:"—"; position:absolute; left:0; opacity:.5; }
.s-col-enfoque.destacada ul li::before{ content:"✓"; color:var(--aqua); opacity:1; }

/* ---------- Pasos ---------- */
.s-pasos{ background:var(--blanco); }
.s-grid-pasos{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem; margin-top:2.6rem; counter-reset:paso; }
.s-paso{
  background:var(--marfil); border-radius:var(--radio); padding:2rem 1.6rem;
  position:relative; counter-increment:paso;
}
.s-paso::before{
  content:counter(paso,decimal-leading-zero);
  font-family:var(--f-display); font-size:2.6rem; color:var(--aqua);
  display:block; margin-bottom:.6rem;
}
.s-paso h3{ font-size:1.08rem; margin-bottom:.4rem; }
.s-paso p{ font-size:.92rem; color:var(--gris); }

/* ---------- FAQ ---------- */
.s-faq{ background:var(--marfil); }
.s-faq-lista{ max-width:760px; margin:2.4rem auto 0; display:grid; gap:1rem; }
.s-faq details{
  background:#fff; border-radius:var(--radio); box-shadow:var(--sombra);
  overflow:hidden;
}
.s-faq summary{
  cursor:pointer; list-style:none; padding:1.3rem 1.6rem;
  font-weight:700; display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.s-faq summary::-webkit-details-marker{ display:none; }
.s-faq summary::after{
  content:"+"; font-family:var(--f-display); font-size:1.6rem; color:var(--arcilla);
  transition:transform .2s ease;
}
.s-faq details[open] summary::after{ transform:rotate(45deg); }
.s-faq details p{ padding:0 1.6rem 1.4rem; color:var(--gris); }

/* ---------- Contacto ---------- */
.s-contacto{ background:var(--petroleo); color:#fff; }
.s-contacto .s-eyebrow{ color:var(--aqua); }
.s-contacto h2{ color:#fff; }
.s-contacto-in{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:start; }
.s-contacto-directo p{ color:rgba(255,255,255,.78); margin-bottom:1.8rem; max-width:440px; }
.s-vias{ display:grid; gap:1rem; }
.s-via{
  display:flex; align-items:center; gap:1.1rem; background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14); border-radius:var(--radio);
  padding:1.1rem 1.4rem; transition:background .2s ease, transform .2s ease;
}
.s-via:hover{ background:rgba(255,255,255,.16); transform:translateX(4px); }
.s-via .s-icono{ background:rgba(255,255,255,.12); color:#fff; flex-shrink:0; }
.s-via strong{ display:block; }
.s-via span{ font-size:.88rem; color:rgba(255,255,255,.7); }

.s-form{
  background:#fff; color:var(--tinta); border-radius:var(--radio);
  padding:2.2rem; box-shadow:var(--sombra-alta);
}
.s-form h3{ margin-bottom:.4rem; }
.s-form > p{ font-size:.95rem; color:var(--gris); margin-bottom:1.4rem; }
.s-form label{ font-weight:700; font-size:.88rem; display:block; margin:1rem 0 .35rem; }
.s-form input, .s-form select, .s-form textarea{
  width:100%; padding:.85rem 1rem; border-radius:14px;
  border:1.5px solid rgba(22,51,62,.15); font-family:var(--f-body); font-size:1rem;
  background:var(--marfil);
}
.s-form input:focus, .s-form select:focus, .s-form textarea:focus{
  outline:none; border-color:var(--aqua); box-shadow:0 0 0 3px rgba(127,182,176,.25);
}
.s-form .s-btn{ width:100%; justify-content:center; margin-top:1.4rem; }
.s-form-nota{ text-align:center; font-size:.8rem; color:var(--gris); margin-top:.9rem; }

/* ---------- Footer ---------- */
.s-footer{ background:var(--tinta); color:rgba(255,255,255,.75); padding:70px 0 0; }
.s-footer-in{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:2.5rem; padding-bottom:3rem; }
.s-footer h4{ color:#fff; font-size:1rem; margin-bottom:1rem; font-family:var(--f-body); font-weight:700; }
.s-footer .s-logo strong{ color:#fff; }
.s-footer .s-logo span{ color:rgba(255,255,255,.55); }
.s-footer p{ font-size:.92rem; margin-top:1rem; max-width:300px; }
.s-footer ul{ display:grid; gap:.55rem; font-size:.92rem; }
.s-footer li{ color:rgba(255,255,255,.75); }
.s-footer a{ color:rgba(255,255,255,.75); text-decoration:none; }
.s-footer a:hover{ color:var(--aqua); }
.s-footer-legal{
  border-top:1px solid rgba(255,255,255,.1); padding:1.4rem 0;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem;
  font-size:.82rem; color:rgba(255,255,255,.5);
}
.s-footer-legal a{ color:rgba(255,255,255,.65); text-decoration:none; }
.s-footer-legal a:hover{ color:var(--aqua); }

/* ---------- Banner cookies ---------- */
.s-cookies{
  position:fixed; bottom:20px; left:20px; right:20px; z-index:80;
  max-width:560px; margin:0 auto;
  background:#fff; border-radius:var(--radio); box-shadow:var(--sombra-alta);
  padding:1.3rem 1.5rem; display:none; gap:1rem; align-items:center;
  border:1px solid rgba(22,51,62,.08);
}
.s-cookies.visible{ display:flex; }
.s-cookies p{ font-size:.85rem; color:var(--gris); flex:1; }
.s-cookies .s-btn{ padding:.6rem 1.2rem; font-size:.85rem; flex-shrink:0; }

/* ---------- Botón flotante WhatsApp ---------- */
.s-wa-flotante{
  position:fixed; bottom:22px; right:22px; z-index:70;
  width:58px; height:58px; border-radius:50%;
  background:#25d366; color:#fff; font-size:1.7rem;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 30px rgba(37,211,102,.4);
  transition:transform .2s ease;
}
.s-wa-flotante:hover{ transform:scale(1.08); }

/* ---------- Reveal on scroll ---------- */
.s-reveal{ opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
.s-reveal.visible{ opacity:1; transform:none; }

/* ---------- Página interior (tests / área paciente) ---------- */
.s-pagina-hero{
  padding:160px 0 70px; text-align:center;
  background:radial-gradient(900px 500px at 50% 0%, var(--aqua-bruma) 0%, transparent 65%), var(--marfil);
}
.s-pagina-hero .s-sub{ margin:0 auto; }

.s-grid-tests-pagina{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; margin-top:2.6rem; }
.s-test-card{
  background:#fff; border-radius:var(--radio); padding:1.9rem 1.7rem;
  box-shadow:var(--sombra); display:flex; flex-direction:column; gap:.7rem;
  transition:transform .2s ease, box-shadow .2s ease;
}
.s-test-card:hover{ transform:translateY(-5px); box-shadow:var(--sombra-alta); }
.s-test-card .s-icono{ font-size:1.7rem; }
.s-test-card p{ font-size:.93rem; color:var(--gris); flex:1; }
.s-test-card .s-btn{ align-self:flex-start; padding:.6rem 1.3rem; font-size:.88rem; }

.s-login-card{
  max-width:440px; margin:0 auto; background:#fff; border-radius:var(--radio);
  box-shadow:var(--sombra-alta); padding:2.4rem;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .s-grid-4{ grid-template-columns:repeat(2,1fr); }
  .s-grid-areas{ grid-template-columns:repeat(2,1fr); }
  .s-grid-tests{ grid-template-columns:repeat(3,1fr); }
  .s-grid-pasos{ grid-template-columns:repeat(2,1fr); }
  .s-footer-in{ grid-template-columns:1fr 1fr; }
}
@media (max-width:860px){
  section{ padding:70px 0; }
  .s-hero-in, .s-sobre-in, .s-espacio-in, .s-servicio, .s-contacto-in{ grid-template-columns:1fr; }
  .s-servicio:nth-child(even) .s-servicio-media{ order:0; }
  .s-hero{ padding-top:120px; text-align:center; }
  .s-hero p{ margin-inline:auto; }
  .s-hero-ctas{ justify-content:center; }
  .s-respira{ margin-top:1rem; }
  .s-nav, .s-header .s-badge-gratis{ display:none; }
  .s-burger{ display:block; }
  .s-nav.abierta{
    display:flex; position:fixed; inset:64px 0 auto 0;
    flex-direction:column; background:#fff; padding:1.5rem 24px 2rem;
    box-shadow:var(--sombra-alta); gap:1.1rem;
  }
  .s-grid-3{ grid-template-columns:1fr; }
  .s-col-enfoque.destacada{ transform:none; }
  .s-grid-tests-pagina{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .s-grid-4, .s-grid-areas, .s-grid-tests, .s-grid-pasos{ grid-template-columns:1fr; }
  .s-footer-in{ grid-template-columns:1fr; }
  .s-stats{ justify-content:center; }
}

/* =====================================================
   PÁGINAS INTERIORES (Servicios, Sobre mí, Cómo trabajo, Contacto)
   Estilos compartidos del sistema de páginas independientes
   ===================================================== */
.s-hero-int{background:linear-gradient(165deg,var(--s-bruma,#e3efec) 0%,#f7f4ee 78%);padding:150px 0 90px;position:relative;overflow:hidden}
.s-hero-int::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(127,182,176,.25),transparent 65%);top:-180px;right:-140px}
.s-hero-int h1{font-size:clamp(2.1rem,4.6vw,3.3rem);max-width:760px;position:relative}
.s-hero-int-sub{max-width:640px;color:#5b6f76;font-size:1.12rem;margin-top:.9rem;position:relative}
.s-hero-int-onda{position:absolute;left:0;right:0;bottom:-1px;height:60px;background:#fff;clip-path:ellipse(75% 100% at 50% 100%)}
.s-migas{font-size:.82rem;color:#8a8f98;margin-bottom:1.2rem;display:flex;gap:.5rem;align-items:center;position:relative}
.s-migas a{color:var(--s-petroleo,#1f5461);text-decoration:none}
.s-migas a:hover{text-decoration:underline}
.s-seccion{padding:5rem 0}
.s-seccion-alt{background:linear-gradient(180deg,#fff,var(--s-bruma,#e3efec) 140%)}
.s-centro{text-align:center}
.s-nav .s-nav-on{color:var(--s-arcilla,#c96f4f);font-weight:700}
.s-btn-grande{padding:1rem 2rem;font-size:1.05rem}
.s-cta-int{background:linear-gradient(150deg,var(--s-petroleo,#1f5461),#16333e);padding:5rem 0;color:#fff}
.s-cta-int h2{color:#fff}
.s-cta-int p{color:rgba(255,255,255,.78);max-width:560px;margin:.8rem auto 1.6rem}
.s-cta-int .s-btn{margin:0 .4rem .6rem}
.serena-interior .s-header{background:rgba(247,244,238,.92)}
@media(max-width:640px){.s-hero-int{padding:120px 0 60px}.s-seccion{padding:3.2rem 0}}