/* ============================================
   DAVID CUERVO — El Círculo del Criterio
   Paleta: crema + verde tinta (bottle green)
   ============================================ */

:root{
  --cream: #f7f4ee;
  --cream-dark: #efe9df;
  --ink: #12241c;
  --green: #1b3327;
  --green-deep: #0f1f18;
  --green-soft: #2c4a3a;
  --gold: #a98a4a;
  --gold-soft: #cbb281;
  --text-muted: #5c6b62;
  --border-hairline: rgba(18,36,28,0.12);
  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Jost', 'Helvetica Neue', Arial, sans-serif;
}

*{ box-sizing: border-box; margin:0; padding:0; }

html{ scroll-behavior: smooth; }

body{
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.eyebrow{
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-block;
  margin-bottom: 18px;
}

h1,h2,h3{
  font-family: var(--serif);
  font-weight: 500;
  color: var(--green-deep);
  letter-spacing: 0.01em;
}

.container{
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

.section{
  padding: 120px 0;
  position: relative;
}

.section-label{
  text-align: center;
  margin-bottom: 64px;
}

.section-label h2{
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  font-weight: 400;
}

.section-label p{
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 14px auto 0;
}

/* ---------- NAV ---------- */
header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(247,244,238,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
  transition: all .3s ease;
}

nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1180px;
  margin: 0 auto;
}

.nav-brand{
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand .seal{ width: 34px; height: 34px; }

.nav-brand .brand-text{
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--green-deep);
}

.nav-links{
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a{
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after{
  content:'';
  position: absolute;
  bottom:0; left:0;
  width:0; height:1px;
  background: var(--gold);
  transition: width .3s ease;
}

.nav-links a:hover::after{ width: 100%; }

.nav-cta{
  border: 1px solid var(--green);
  padding: 10px 22px !important;
  font-size: 0.72rem !important;
}

.nav-cta::after{ display:none; }

.burger{
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1100;
}

.burger span{
  width: 26px; height: 1px;
  background: var(--green-deep);
  display:block;
  transition: all .3s ease;
}

.burger.open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero{
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 32px 80px;
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(27,51,39,0.06), transparent 60%),
    var(--cream);
}

.hero .seal-lg{
  width: 108px;
  height: 108px;
  margin-bottom: 36px;
}

.hero h1{
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  letter-spacing: 0.02em;
  line-height: 1.05;
}

.hero .subname{
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 18px;
}

.hero .tagline{
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--green-soft);
  max-width: 620px;
  margin: 32px auto 0;
}

.hero-cta{
  display: flex;
  gap: 20px;
  margin-top: 48px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn{
  display: inline-block;
  padding: 15px 34px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all .3s ease;
  cursor: pointer;
}

.btn-primary{
  background: var(--green-deep);
  color: var(--cream);
  border: 1px solid var(--green-deep);
}
.btn-primary:hover{ background: transparent; color: var(--green-deep); }

.btn-outline{
  background: transparent;
  color: var(--green-deep);
  border: 1px solid var(--green-deep);
}
.btn-outline:hover{ background: var(--green-deep); color: var(--cream); }

.scroll-hint{
  position: absolute;
  bottom: 40px;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-hint .line{
  width: 1px; height: 34px;
  background: var(--border-hairline);
}

/* ---------- SOBRE ---------- */
.sobre{
  background: var(--cream-dark);
}

.sobre-grid{
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: center;
}

.sobre-portrait{
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--green) 0%, var(--green-deep) 100%);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sobre-portrait .seal{
  width: 120px;
  height: 120px;
  opacity: 0.35;
}

.sobre-portrait::after{
  content: 'FOTOGRAFÍA DE DAVID';
  position: absolute;
  bottom: 24px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(247,244,238,0.5);
  text-transform: uppercase;
}

.sobre-text p{
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.credentials{
  display: flex;
  gap: 36px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.credential{
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}

.credential .num{
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--green-deep);
  display: block;
}

.credential .label{
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- PILARES ---------- */
.pilares-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-hairline);
  border: 1px solid var(--border-hairline);
}

.pilar{
  background: var(--cream);
  padding: 56px 40px;
  transition: background .3s ease;
}

.pilar:hover{ background: var(--cream-dark); }

.pilar .num{
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.pilar h3{
  font-size: 1.6rem;
  margin: 18px 0 16px;
  font-weight: 400;
}

.pilar p{
  color: var(--text-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.pilar ul{ margin-top: 16px; }

.pilar li{
  font-size: 0.88rem;
  color: var(--green-soft);
  padding: 8px 0;
  border-top: 1px solid var(--border-hairline);
}

/* ---------- PROBLEMA / ROI ---------- */
.problema{
  background: var(--green-deep);
  color: var(--cream);
}

.problema .section-label h2{ color: var(--cream); }
.problema .section-label p{ color: rgba(247,244,238,0.68); }

.roi-grid{
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.roi-box{
  flex: 1 1 320px;
  border: 1px solid rgba(247,244,238,0.22);
  padding: 40px 32px;
  text-align: center;
  border-radius: 2px;
}

.roi-box.roi-loss{ border-color: rgba(203,80,64,0.45); }
.roi-box.roi-cost{ border-color: rgba(203,178,129,0.5); }

.roi-num{
  display: block;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  color: var(--cream);
  margin-bottom: 14px;
}

.roi-box.roi-loss .roi-num{ color: #d98f7f; }
.roi-box.roi-cost .roi-num{ color: var(--gold-soft); }

.roi-label{
  font-size: 0.88rem;
  color: rgba(247,244,238,0.7);
  line-height: 1.5;
}

.roi-sign{
  align-self: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: rgba(247,244,238,0.5);
  padding: 0 8px;
}

.roi-close{
  text-align: center;
  max-width: 560px;
  margin: 48px auto 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: rgba(247,244,238,0.85);
}

/* ---------- ARCHIVO (interactive) ---------- */
.archivo{
  background: var(--green-deep);
  color: var(--cream);
}

.archivo .section-label h2{ color: var(--cream); }
.archivo .section-label p{ color: rgba(247,244,238,0.65); }

.archivo-box{
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.archivo-form{
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.archivo-form input{
  background: transparent;
  border: 1px solid rgba(247,244,238,0.35);
  color: var(--cream);
  padding: 16px 20px;
  font-family: var(--serif);
  font-size: 1.3rem;
  width: 180px;
  text-align: center;
  letter-spacing: 0.05em;
  border-radius: 2px;
}

.archivo-form input::placeholder{ color: rgba(247,244,238,0.4); }

.archivo-form input:focus{
  outline: none;
  border-color: var(--gold-soft);
}

.archivo-form button{
  background: var(--gold-soft);
  color: var(--green-deep);
  border: none;
  padding: 16px 32px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity .3s ease;
}

.archivo-form button:hover{ opacity: 0.85; }

#archivo-result{
  margin-top: 44px;
  text-align: left;
  border: 1px solid rgba(247,244,238,0.2);
  padding: 32px;
  border-radius: 2px;
  display: none;
}

#archivo-result.show{ display: block; animation: fadeIn .5s ease; }

@keyframes fadeIn{ from{ opacity:0; transform: translateY(8px);} to{opacity:1; transform: translateY(0);} }

#archivo-result .r-year{
  font-family: var(--serif);
  color: var(--gold-soft);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

#archivo-result h3{
  color: var(--cream);
  font-size: 1.8rem;
  margin: 10px 0 14px;
}

#archivo-result p{
  color: rgba(247,244,238,0.75);
  font-size: 0.96rem;
}

#archivo-result .r-note{
  margin-top: 16px;
  font-size: 0.78rem;
  color: rgba(247,244,238,0.5);
  font-style: italic;
}

/* ---------- BITACORA ---------- */
.bitacora-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.post{
  border-top: 1px solid var(--border-hairline);
  padding-top: 24px;
}

.post .tag{
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.post h3{
  font-size: 1.4rem;
  margin: 14px 0 12px;
  font-weight: 400;
}

.post p{
  color: var(--text-muted);
  font-size: 0.9rem;
}

.post .read-more{
  display: inline-block;
  margin-top: 16px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-deep);
  border-bottom: 1px solid var(--gold);
}

/* ---------- MEMBRESIA CTA ---------- */
.cta-strip{
  background: var(--cream-dark);
  text-align: center;
  padding: 100px 32px;
}

.cta-strip h2{
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 20px;
}

.cta-strip p{
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 36px;
}

.price-tag{
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--green-soft);
  margin-bottom: 36px;
}

/* ---------- CONTACTO ---------- */
.contacto-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-form{
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-form input, .contact-form textarea, .contact-form select{
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-hairline);
  padding: 14px 2px;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
}

.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus{
  outline: none;
  border-color: var(--gold);
}

.contact-form label{
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-info .item{
  margin-bottom: 28px;
}

.contact-info .item .label{
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 6px;
}

.contact-info .item a, .contact-info .item span{
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--green-deep);
}

.social-row{
  display: flex;
  gap: 24px;
  margin-top: 32px;
}

.social-row a{
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--gold);
  padding-bot