/* ============================================
   Elena López · Descanso y fatiga laboral
   Sistema: tintas de noche + amanecer circadiano
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --ink:#101C2C;
  --ink-soft:#1B2C42;
  --petrol:#007789;
  --petrol-light:#1C93A3;
  --dawn:#E2963A;
  --dawn-soft:#F3C583;
  --paper:#F7F4EE;
  --paper-alt:#EFEAE0;
  --slate:#4A5563;
  --slate-soft:#7C8792;
  --line:#DCD5C7;
  --line-dark:#2A3B52;
  --white:#FFFFFF;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --radius:14px;
  --radius-sm:8px;
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--slate);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--font-display);
  color:var(--ink);
  line-height:1.15;
  margin:0 0 0.6em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem, 4vw, 3.2rem); font-weight:600;}
h2{font-size:clamp(1.6rem, 2.6vw, 2.3rem); font-weight:600;}
h3{font-size:1.15rem; font-weight:600;}
p{margin:0 0 1em;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{margin:0; padding:0;}

.container{max-width:var(--container); margin:0 auto; padding:0 1.5rem;}

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--ink); color:var(--white);
  padding:0.8rem 1.2rem; z-index:100; border-radius:0 0 var(--radius-sm) 0;
}
.skip-link:focus{left:0;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.75rem;
  letter-spacing:0.09em;
  text-transform:uppercase;
  color:var(--petrol-light);
  margin:0 0 0.8em;
  display:flex; align-items:center; gap:0.6em;
}
.eyebrow::before{
  content:""; width:22px; height:1px; background:var(--dawn); display:inline-block;
}

.lead{font-size:1.08rem; color:var(--slate); max-width:56ch;}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:0.5em;
  font-family:var(--font-body); font-weight:600; font-size:0.95rem; line-height:1.2;
  padding:0.85rem 1.6rem; border-radius:100px; border:1px solid transparent;
  cursor:pointer; transition:transform .18s ease, background .18s ease, border-color .18s ease;
  text-align:center; white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--dawn); outline-offset:3px;}
.btn-primary{background:var(--dawn); color:var(--ink);}
.btn-primary:hover{background:#EDA954;}
.btn-secondary{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-secondary:hover{border-color:var(--petrol); color:var(--petrol);}
.btn-light{background:var(--white); color:var(--ink);}
.btn-light:hover{background:var(--dawn-soft);}

.actions{display:flex; flex-wrap:wrap; gap:0.9rem; margin:1.6rem 0; justify-content:center;}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(247,244,238,0.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex; align-items:center; justify-content:space-between; padding:1rem 1.5rem;}
.brand{display:flex; align-items:center; gap:0.7rem;}
.brand-mark{
  width:38px; height:38px; border-radius:10px; background:var(--petrol);
  color:var(--white); font-family:var(--font-mono); font-size:0.8rem;
  display:flex; align-items:center; justify-content:center; letter-spacing:0.02em;
}
.brand-text{display:flex; flex-direction:column; font-size:0.85rem; color:var(--slate);}
.brand-text strong{font-family:var(--font-display); color:var(--ink); font-size:1rem;}

.nav-toggle{
  display:none; background:none; border:none; width:40px; height:40px;
  color:var(--ink); cursor:pointer;
}
.nav-toggle svg{width:24px; height:24px;}

.site-nav{display:flex; align-items:center; gap:1.8rem;}
.site-nav a{
  font-size:0.92rem; font-weight:500; color:var(--slate);
  padding:0.3rem 0; border-bottom:2px solid transparent;
  transition:color .15s ease, border-color .15s ease;
}
.site-nav a:hover, .site-nav a.active{color:var(--ink); border-color:var(--dawn);}
.nav-cta{margin-left:0.4rem; flex-shrink:0;}

/* Hero */
.hero{padding:4rem 0 3rem; overflow:hidden;}
.hero-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:3rem; align-items:center;}
.hero-copy h1{margin-bottom:0.7em;}
.hero-copy h1 span{display:block; font-size:0.55em; color:var(--slate); font-weight:500; margin-top:0.5em; font-family:var(--font-body);}

.hero-meta{display:flex; flex-wrap:wrap; gap:0.6rem; margin-top:1.2rem;}
.hero-meta span{
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.02em;
  color:var(--petrol); background:var(--white); border:1px solid var(--line);
  padding:0.45rem 0.9rem; border-radius:100px;
}

.hero-visual{position:relative;}
.circadian-shell{
  background:var(--ink); border-radius:20px; padding:2rem 1.6rem 1.6rem;
  position:relative; overflow:hidden;
}
.circadian-shell::after{
  content:""; position:absolute; inset:0;
  background:radial-gradient(circle at 80% 0%, rgba(226,150,58,0.18), transparent 60%);
  pointer-events:none;
}
.circadian-label{
  font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--dawn-soft); margin-bottom:1rem; display:block;
}
.circadian-shell svg{width:100%; height:auto; display:block;}
.hero-card{
  background:var(--white); border-radius:var(--radius); padding:1.4rem 1.5rem;
  margin-top:-2rem; margin-left:1.5rem; margin-right:1.5rem; position:relative; z-index:2;
  box-shadow:0 12px 30px -14px rgba(16,28,44,0.35);
}
.hero-card strong{display:block; color:var(--ink); font-family:var(--font-display); font-size:1.02rem; margin-bottom:0.35em;}
.hero-card p{margin:0; font-size:0.92rem; color:var(--slate-soft);}

/* Sections */
.section{padding:4.5rem 0;}
.section-sm{padding:2.5rem 0 4.5rem;}
.section-warm{background:var(--paper-alt);}
.section-navy{background:var(--ink); color:var(--paper);}
.section-navy .eyebrow{color:var(--dawn-soft);}
.section-navy h2{color:var(--white);}
.section-navy .lead{color:#B9C2CE;}

.split{display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:start;}

/* Grids & cards */
.grid-2{display:grid; grid-template-columns:1fr 1fr; gap:1.4rem;}
.grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem;}

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.6rem; transition:border-color .18s ease, transform .18s ease;
}
.path-card{display:block; text-decoration:none;}
.path-card small{
  font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--petrol-light);
}
.path-card h3{margin-top:0.4em;}
.card:hover{border-color:var(--dawn); transform:translateY(-2px);}
.section-navy .card{background:var(--ink-soft); border-color:var(--line-dark); color:var(--paper);}
.section-navy .card h3{color:var(--white);}
.section-navy .card p{color:#AEB8C4;}

.icon{
  width:42px; height:42px; border-radius:10px; background:var(--paper-alt);
  display:flex; align-items:center; justify-content:center; margin-bottom:1rem;
}
.icon svg{width:22px; height:22px; stroke:var(--petrol); fill:none; stroke-width:1.6;}

.number{
  font-family:var(--font-mono); font-size:0.85rem; color:var(--dawn);
  border:1px solid var(--line); border-radius:100px; width:28px; height:28px;
  display:inline-flex; align-items:center; justify-content:center;
}

.quote-block{
  background:var(--ink); color:var(--paper); border-radius:var(--radius); padding:2.2rem;
}
.quote-block h2{color:var(--white); font-size:1.5rem;}
.quote-block p{color:#B9C2CE; margin:0;}

.metric-row{display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; margin-top:2.5rem; padding-top:2.5rem; border-top:1px solid var(--line);}
.metric strong{display:block; font-family:var(--font-display); color:var(--ink); margin-bottom:0.3em;}
.metric span{font-size:0.88rem; color:var(--slate-soft);}

.check-list{list-style:none; display:flex; flex-direction:column; gap:0.9rem;}
.check-list li{
  position:relative; padding-left:1.6rem; color:#DDE3E9; font-size:0.96rem;
}
.check-list li::before{
  content:""; position:absolute; left:0; top:0.4em; width:8px; height:8px;
  border-radius:2px; background:var(--dawn); transform:rotate(45deg);
}

.cta-panel{
  background:var(--petrol); color:var(--white); border-radius:20px;
  padding:3rem; text-align:center;
}
.cta-panel .eyebrow{color:var(--dawn-soft); justify-content:center;}
.cta-panel h2{color:var(--white); max-width:42ch; margin-left:auto; margin-right:auto;}
.cta-panel p{color:#D8E7EA; max-width:52ch; margin-left:auto; margin-right:auto;}
.cta-panel .actions{justify-content:center;}

/* Divider wave — arco circadiano como separador de sección */
.rhythm-divider{display:block; width:100%; height:36px; margin:0;}
.rhythm-divider path{fill:none; stroke:var(--line); stroke-width:1.4;}

/* Footer */
.site-footer{background:var(--ink); color:#B9C2CE; padding:4rem 0 2rem; margin-top:2rem;}
.site-footer .brand-text span{color:#8993A2;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem; padding-bottom:2.5rem; border-bottom:1px solid var(--line-dark);}
.footer-grid h3{color:var(--white); font-size:0.95rem; margin-bottom:1rem;}
.footer-links{display:flex; flex-direction:column; gap:0.7rem;}
.footer-links a{color:#B9C2CE; font-size:0.92rem;}
.footer-links a:hover{color:var(--dawn);}
.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:0.6rem;
  padding-top:1.6rem; font-size:0.8rem; color:#7C8896;
}

/* Formulario de contacto */
.form-card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:2rem;}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:1rem 1rem;}
.field{display:flex; flex-direction:column; gap:0.4rem; margin-bottom:1.1rem;}
.field.full{grid-column:1/-1;}
.field label{
  font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.05em; text-transform:uppercase;
  color:var(--petrol);
}
.field input, .field textarea, .field select{
  width:100%; font-family:var(--font-body); font-size:1rem; color:var(--ink);
  border:1px solid var(--line); border-radius:var(--radius-sm); padding:0.75rem 0.9rem;
  background:var(--paper); transition:border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--petrol-light); box-shadow:0 0 0 3px rgba(16,120,143,0.15);
}
.field textarea{min-height:130px; resize:vertical;}
.form-note{font-size:0.82rem; color:var(--slate-soft); margin-top:0.3rem;}
.honeypot{position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden;}

/* Fotografía con tratamiento de marca (duotono navy/ámbar) */
.photo-band{position:relative; border-radius:var(--radius); overflow:hidden; aspect-ratio:16/7;}
.photo-band img{width:100%; height:100%; object-fit:cover; display:block; filter:grayscale(20%) contrast(1.08) brightness(0.92);}
.photo-band::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(150deg, rgba(16,28,44,0.65), rgba(226,150,58,0.28));
  mix-blend-mode:multiply;
}
.photo-band::before{
  content:""; position:absolute; inset:0; z-index:2; pointer-events:none;
  background:linear-gradient(0deg, rgba(16,28,44,0.35), transparent 45%);
}
@media (max-width:640px){ .photo-band{aspect-ratio:4/3;} }

/* Testimonios */
.testimonial-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; margin-top:2rem;}
.testimonial-card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:1.8rem; display:flex; flex-direction:column;}
.testimonial-card .quote-mark{font-family:var(--font-display); font-size:2.4rem; color:var(--dawn); line-height:1; margin-bottom:0.4rem;}
.testimonial-card p{font-size:0.95rem; color:var(--slate); flex-grow:1; margin-bottom:1.2rem;}
.testimonial-card .author{font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.04em; text-transform:uppercase; color:var(--petrol); border-top:1px solid var(--line); padding-top:1rem;}
.testimonial-card .author strong{display:block; font-family:var(--font-body); text-transform:none; letter-spacing:normal; color:var(--ink); font-size:0.95rem; margin-bottom:0.2em;}
@media (max-width:900px){ .testimonial-grid{grid-template-columns:1fr;} }

/* Contact page specifics */
.contact-grid{display:grid; grid-template-columns:0.9fr 1.1fr; gap:3rem;}
.contact-card{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:2rem;}
.contact-card h3{margin-bottom:0.3em;}
.contact-list{list-style:none; display:flex; flex-direction:column; gap:1.1rem; margin-top:1.5rem;}
.contact-list a{font-weight:600; color:var(--ink);}
.contact-list span{display:block; font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--petrol-light); margin-bottom:0.25em;}
.timeslot-note{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--petrol);
  background:var(--paper-alt); border-radius:var(--radius-sm); padding:0.9rem 1.1rem; margin-top:1.5rem;
}

/* Responsive */
@media (max-width: 960px){
  .hero-grid, .split, .contact-grid{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width: 720px){
  .nav-toggle{display:flex; align-items:center; justify-content:center;}
  .site-nav{
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0; padding:0.5rem 1.5rem 1.2rem;
    border-bottom:1px solid var(--line); display:none;
  }
  .site-nav.open{display:flex;}
  .site-nav a{width:100%; padding:0.7rem 0; border-bottom:1px solid var(--line);}
  .nav-cta{margin-left:0; margin-top:0.8rem; width:100%; text-align:center;}
  .grid-2, .grid-4{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:1fr 1fr;}
  .cta-panel{padding:2.2rem 1.4rem;}
}