/* ---------- Pablo Corbella — sistema compartido ---------- */

:root{
  --cream:#EDE4D0;
  --cream-deep:#E1D3B4;
  --forest:#212D24;
  --forest-deep:#151E18;
  --ink:#1C1811;
  --paper:#F5EFDF;
  --terracotta:#BB5A2E;
  --terracotta-deep:#9A481F;
  --sage:#7E8B67;
  --sage-deep:#5C6949;
  --rule-light: rgba(28,24,17,0.14);
  --rule-dark: rgba(245,239,223,0.18);
  --max: 1040px;
  --text-max: 720px;
  padding-top:env(safe-area-inset-top, 0px);
  padding-bottom:env(safe-area-inset-bottom, 0px);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; color-scheme:light;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:"Fraunces", Georgia, "Times New Roman", serif;
  font-weight:420;
  line-height:1.06;
  margin:0;
  text-wrap:balance;
}
em{font-style:italic; font-weight:340;}
a{color:inherit;}
a:focus-visible, button:focus-visible{outline:2px solid var(--terracotta); outline-offset:3px;}
::selection{background:var(--terracotta); color:var(--paper);}
img{max-width:100%;}
[hidden]{display:none !important;}

.wrap{
  max-width:var(--max);
  margin-inline:auto;
  padding-inline:clamp(20px, 6vw, 56px);
}
.wrap--text{max-width: calc(var(--text-max) + 2 * clamp(20px, 6vw, 56px));}

/* ---------- nav ---------- */
.nav{
  position:sticky;
  top:env(safe-area-inset-top, 0px);
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px clamp(20px, 6vw, 56px);
  background:rgba(237,228,208,0.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--rule-light);
  font-family:"Work Sans", sans-serif;
}
.nav__brand{
  font-size:0.76rem;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  text-decoration:none;
}
.nav__toggle{
  display:none;
  background:none;
  border:1px solid var(--rule-light);
  color:var(--ink);
  font-family:inherit;
  font-size:0.7rem;
  font-weight:600;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:8px 14px;
  cursor:pointer;
}
.nav__menu{
  display:flex;
  align-items:center;
  gap:clamp(16px, 3vw, 30px);
}
.nav__menu a{
  font-size:0.76rem;
  font-weight:600;
  letter-spacing:0.06em;
  text-decoration:none;
  color:rgba(28,24,17,0.72);
  white-space:nowrap;
}
.nav__menu a:hover, .nav__menu a[aria-current="page"]{color:var(--ink);}
.nav__menu a.nav__ext{color:var(--terracotta-deep);}
.nav__menu a[aria-current="page"]{border-bottom:1px solid var(--terracotta);}

@media (max-width:760px){
  .nav__toggle{display:inline-block;}
  .nav__menu{
    position:absolute;
    top:100%; left:0; right:0;
    background:var(--cream);
    border-bottom:1px solid var(--rule-light);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px clamp(20px, 6vw, 56px) 18px;
    display:none;
  }
  .nav__menu.is-open{display:flex;}
  .nav__menu a{padding-block:10px; width:100%;}
}

/* ---------- hero (per page) ---------- */
.hero{position:relative; overflow:hidden;}
.hero__field{position:absolute; inset:0; pointer-events:none;}
.hero__content{position:relative;}
.hero--light{
  background:var(--cream);
  padding-block:clamp(80px, 15vw, 148px) clamp(64px, 10vw, 108px);
}
.hero--light .hero__field{
  background:
    radial-gradient(560px 420px at 84% 6%, rgba(126,139,103,0.32), transparent 62%),
    radial-gradient(680px 520px at 100% 44%, rgba(33,45,36,0.24), transparent 60%),
    radial-gradient(420px 360px at 68% 94%, rgba(187,90,46,0.15), transparent 65%);
}
.hero--dark{
  background:var(--forest);
  color:var(--paper);
  padding-block:clamp(72px, 13vw, 128px) clamp(56px, 9vw, 92px);
}
.hero--dark .hero__field{
  background:
    radial-gradient(620px 460px at 90% 0%, rgba(126,139,103,0.22), transparent 60%),
    radial-gradient(520px 420px at 4% 88%, rgba(187,90,46,0.14), transparent 62%);
}
.hero--deep{
  background:var(--forest-deep);
  color:var(--paper);
  padding-block:clamp(72px, 13vw, 128px) clamp(56px, 9vw, 92px);
}
.hero--deep .hero__field{
  background:
    radial-gradient(600px 460px at 10% 4%, rgba(126,139,103,0.2), transparent 60%),
    radial-gradient(520px 420px at 96% 90%, rgba(187,90,46,0.14), transparent 62%);
}

.eyebrow{
  display:block;
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:0.16em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.eyebrow--terracotta{color:var(--terracotta);}
.eyebrow--sage{color:var(--sage);}
.eyebrow--paper{color:var(--paper); opacity:0.72;}

.hero h1{
  font-size:clamp(2.4rem, 7vw, 4.2rem);
  letter-spacing:-0.01em;
  margin-bottom:22px;
  max-width:16ch;
}
.hero__lead{
  font-family:"Fraunces", serif;
  font-style:italic;
  font-weight:340;
  font-size:clamp(1.25rem, 3.2vw, 1.8rem);
  max-width:18ch;
  margin-bottom:24px;
  text-wrap:balance;
}
.hero--light .hero__lead{color:var(--forest);}
.hero--dark .hero__lead, .hero--deep .hero__lead{color:var(--paper);}
.hero__body{
  max-width:46ch;
  font-size:1.02rem;
  margin-bottom:40px;
}
.hero--light .hero__body{color:rgba(28,24,17,0.82);}
.hero--dark .hero__body, .hero--deep .hero__body{color:rgba(245,239,223,0.86);}

.hero__scroll{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:0.72rem;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  text-decoration:none;
}
.hero--light .hero__scroll{color:var(--sage-deep);}
.hero--dark .hero__scroll, .hero--deep .hero__scroll{color:var(--sage);}
.hero__scroll svg{width:14px; height:14px;}

/* ---------- grain ---------- */
.grain{
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
  pointer-events:none;
}
.section--dark .grain{opacity:0.10;}
.section--light .grain{opacity:0.05;}

/* ---------- sections ---------- */
section{position:relative;}
.section-pad{padding-block:clamp(56px, 10vw, 104px);}
.section--light{background:var(--cream);}
.section--deep-cream{background:var(--cream-deep);}
.section--dark{background:var(--forest); color:var(--paper);}
.section--deep{background:var(--forest-deep); color:var(--paper);}

.section--dark p, .section--deep p{color:rgba(245,239,223,0.86);}
.section--light p, .section--deep-cream p{color:rgba(28,24,17,0.82);}

.section h2{font-size:clamp(1.8rem, 4.6vw, 2.6rem); max-width:16ch; margin-bottom:24px;}
.section--dark h2, .section--deep h2{color:var(--paper);}

.rule{border:none; border-top:1px solid var(--rule-light); margin-block:28px;}
.rule--dark{border-top-color:var(--rule-dark);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 26px;
  font-family:"Work Sans", sans-serif;
  font-size:0.85rem;
  font-weight:600;
  letter-spacing:0.03em;
  text-decoration:none;
  border-radius:2px;
  border:1px solid transparent;
  transition:transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  cursor:pointer;
}
.btn:hover{transform:translateY(-1px);}
.btn--solid{background:var(--terracotta); color:var(--paper);}
.btn--solid:hover{background:var(--terracotta-deep);}
.btn--outline-dark{border-color:var(--rule-dark); color:var(--paper);}
.btn--outline-dark:hover{background:rgba(245,239,223,0.08); border-color:var(--paper);}
.btn--outline-light{border-color:var(--rule-light); color:var(--ink);}
.btn--outline-light:hover{background:rgba(28,24,17,0.05); border-color:var(--ink);}
.cta-row{display:flex; flex-wrap:wrap; gap:14px; margin-top:12px;}

/* ---------- credentials list ---------- */
.credentials{list-style:none; margin:30px 0 0; padding:0; display:grid; gap:14px;}
.credentials li{display:flex; gap:14px; align-items:baseline; font-size:0.94rem; color:rgba(245,239,223,0.9);}
.credentials li::before{content:""; width:6px; height:6px; border-radius:50%; background:var(--terracotta); flex:0 0 auto; transform:translateY(-2px);}

/* ---------- benefits ---------- */
.benefits{list-style:none; margin:0 0 34px; padding:0; display:grid; gap:22px;}
.benefits li{padding-left:26px; border-left:1px solid var(--rule-dark); font-size:0.96rem; color:rgba(245,239,223,0.9);}
.benefits strong{display:block; font-family:"Fraunces", serif; font-style:italic; font-weight:400; font-size:1.08rem; color:var(--paper); margin-bottom:4px;}

/* ---------- process steps ---------- */
.steps{list-style:none; margin:0; padding:0; display:grid; gap:0; counter-reset:step;}
.steps li{
  counter-increment:step;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:20px;
  padding-block:22px;
  border-top:1px solid var(--rule-light);
}
.steps li:last-child{border-bottom:1px solid var(--rule-light);}
.steps li::before{
  content:counter(step, decimal-leading-zero);
  font-family:"Fraunces", serif;
  font-style:italic;
  font-size:1.3rem;
  color:var(--terracotta);
}
.steps h3{font-size:1.05rem; font-weight:600; font-family:"Work Sans", sans-serif; margin-bottom:6px;}
.steps p{margin:0; max-width:52ch; font-size:0.94rem;}

/* ---------- reasons (paired points) ---------- */
.reasons{display:grid; gap:0; margin-top:10px;}
.reasons > div{padding-block:26px; border-top:1px solid var(--rule-light);}
.reasons > div:last-child{border-bottom:1px solid var(--rule-light);}
.reason-num{display:block; font-size:0.68rem; font-weight:600; letter-spacing:0.14em; text-transform:uppercase; color:var(--sage-deep); margin-bottom:10px;}
.reasons h3{font-family:"Fraunces", serif; font-weight:420; font-size:clamp(1.3rem, 3vw, 1.7rem); margin:0 0 10px; text-wrap:balance;}
.reasons p{margin:0; max-width:58ch;}

/* ---------- card grid (home) ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:1px;
  background:var(--rule-light);
  border:1px solid var(--rule-light);
}
.card{
  background:var(--cream);
  padding:clamp(28px, 4vw, 40px);
  display:flex;
  flex-direction:column;
  gap:14px;
  text-decoration:none;
  color:var(--ink);
  min-height:220px;
  transition:background 0.15s ease;
}
.card:hover{background:var(--cream-deep);}
.card__label{font-size:0.7rem; font-weight:600; letter-spacing:0.14em; text-transform:uppercase; color:var(--terracotta-deep);}
.card__label--ext{color:var(--sage-deep);}
.card h3{font-family:"Fraunces", serif; font-style:italic; font-weight:400; font-size:1.5rem; margin:0;}
.card p{margin:0; font-size:0.9rem; color:rgba(28,24,17,0.72); max-width:34ch;}
.card__go{margin-top:auto; font-size:0.76rem; font-weight:600; letter-spacing:0.05em;}

@media (max-width:680px){
  .card-grid{grid-template-columns:1fr;}
}

/* ---------- book cover ---------- */
.libro__grid{display:grid; grid-template-columns:1.1fr 0.8fr; gap:clamp(32px, 6vw, 72px); align-items:center;}
.libro__cover{
  aspect-ratio:2/3;
  background:linear-gradient(155deg, var(--forest), var(--forest-deep));
  color:var(--paper);
  padding:clamp(22px,4vw,34px);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  box-shadow:0 24px 60px -24px rgba(21,30,24,0.55);
}
.libro__cover-top{font-size:0.66rem; font-weight:600; letter-spacing:0.16em; text-transform:uppercase; color:var(--sage);}
.libro__cover-title{font-family:"Fraunces", serif; font-style:italic; font-weight:360; font-size:clamp(1.4rem, 4vw, 2rem); line-height:1.15;}
.libro__cover-bottom{border-top:1px solid var(--rule-dark); padding-top:14px; font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:rgba(245,239,223,0.8);}
@media (max-width:680px){
  .libro__grid{grid-template-columns:1fr;}
  .libro__cover{max-width:280px; margin-inline:auto; width:100%;}
}

/* ---------- credential viewer ---------- */
.cred-back{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.76rem;
  font-weight:600;
  letter-spacing:0.06em;
  text-decoration:none;
  color:var(--sage-deep);
  margin-bottom:28px;
}
.cred-frame{
  background:var(--paper);
  border:1px solid var(--rule-light);
  padding:clamp(10px, 2vw, 18px);
  box-shadow:0 30px 70px -34px rgba(21,30,24,0.35);
}
.cred-frame img{display:block; width:100%; height:auto;}
.cred-meta{margin-top:26px; display:flex; flex-wrap:wrap; gap:10px 28px; font-size:0.86rem; color:rgba(28,24,17,0.7);}
.cred-meta strong{color:var(--ink); font-weight:600;}
.cred-note{
  margin-top:26px;
  padding:18px 22px;
  background:var(--cream-deep);
  border-left:2px solid var(--terracotta);
  font-size:0.9rem;
  color:rgba(28,24,17,0.8);
  max-width:56ch;
}

/* ---------- footer ---------- */
footer{background:var(--ink); color:rgba(245,239,223,0.75); padding-block:40px;}
.footer__grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; margin-bottom:32px;}
.footer__brand{font-family:"Fraunces", serif; font-style:italic; font-size:1.3rem; color:var(--paper);}
.footer__col h4{font-size:0.68rem; font-weight:600; letter-spacing:0.14em; text-transform:uppercase; color:rgba(245,239,223,0.5); margin:0 0 14px;}
.footer__col a{display:block; text-decoration:none; color:rgba(245,239,223,0.82); font-size:0.86rem; margin-bottom:10px;}
.footer__col a:hover{color:var(--terracotta);}
.footer__row{display:flex; flex-wrap:wrap; gap:16px; align-items:center; justify-content:space-between; font-size:0.78rem; padding-top:24px; border-top:1px solid var(--rule-dark); color:rgba(245,239,223,0.5);}
.footer__row a{text-decoration:none; color:rgba(245,239,223,0.7);}
.footer__row a:hover{color:var(--terracotta);}
@media (max-width:680px){.footer__grid{grid-template-columns:1fr; gap:24px;}}