/* =========================================================
   TOKENS
========================================================= */
:root{
  --ink:        #2B2A28;
  --paper:      #F2EFE7;
  --paper-hi:   #FBFAF6;
  --line:       #DCD5C4;
  --teal:       #3F6E63;
  --teal-dark:  #2C4F46;
  --ochre:      #C98B2E;
  --ochre-dark: #A16F20;

  --font-display: "DM Serif Display", Georgia, serif;
  --font-body:    "Work Sans", system-ui, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  --radius: 14px;
  --shadow: 0 16px 36px -18px rgba(43,42,40,0.35);
  --wrap: 1100px;
}

*,*::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;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1{ font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3{ font-size: 1.3rem; }
p{ margin: 0 0 1em; }
a{ color: inherit; }

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

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--ink); color:var(--paper-hi); padding:10px 16px; z-index:200;
}
.skip-link:focus{ left:16px; top:16px; }

:focus-visible{
  outline: 3px solid var(--ochre);
  outline-offset: 2px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--teal-dark);
  margin: 0 0 .6em;
}

.hl{
  color: var(--teal);
  position: relative;
  white-space: nowrap;
}

/* =========================================================
   BUTTONS
========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding: .85em 1.6em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight:600;
  font-size: .95rem;
  text-decoration:none;
  cursor:pointer;
  border: 1.5px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--teal); color: var(--paper-hi); }
.btn-primary:hover{ background: var(--teal-dark); }
.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--paper-hi); }
.btn-block{ width: 100%; }

/* =========================================================
   HEADER
========================================================= */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(242,239,231,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-row{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 24px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink); }
.brand-mark{ font-size: 1.3rem; }
.brand-text{ font-family: var(--font-display); font-size:1.15rem; }
.brand-text em{ font-style: italic; color: var(--teal-dark); }
.brand-text.small{ font-size:1.05rem; }

.site-nav{ display:flex; align-items:center; gap: 26px; font-size:.95rem; }
.site-nav a{ text-decoration:none; color:var(--ink); }
.site-nav a:hover{ color: var(--teal); }
.nav-cta{
  font-family: var(--font-body);
  font-weight:600;
  font-size:.88rem;
  padding: .55em 1.2em;
  background: var(--teal);
  color: var(--paper-hi);
  border-radius: 999px;
}
.nav-cta:hover{ background: var(--teal-dark); color: var(--paper-hi); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding: 8px;
}
.nav-toggle span{ width:22px; height:2px; background: var(--ink); display:block; }

@media (max-width: 860px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:absolute; top:100%; left:0; right:0;
    background: var(--paper-hi);
    flex-direction:column; align-items:flex-start; gap:0;
    border-bottom: 1px solid var(--line);
    max-height:0; overflow:hidden; transition: max-height .25s ease;
  }
  .site-nav.open{ max-height: 300px; }
  .site-nav a{ padding: 14px 24px; width:100%; border-top:1px solid var(--line); }
  .nav-cta{ margin: 14px 24px; display:inline-block; }
}

/* =========================================================
   HERO
========================================================= */
.hero{ padding: 64px 0 84px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items:center;
}
.lede{ font-size: 1.08rem; max-width: 46ch; color:#4A4844; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin: 26px 0 0; }

.hero-visual{ display:flex; justify-content:center; }
.list-card{
  width: 100%; max-width: 340px;
  background: var(--paper-hi);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
  transform: rotate(-1deg);
  border: 1px solid var(--line);
}
.list-title{
  font-family: var(--font-mono); font-size:.78rem;
  color: var(--teal-dark); text-transform: lowercase; margin: 0 0 14px;
}
.checklist{ list-style:none; margin:0; padding:0; display:grid; gap: 12px; }
.checklist li{
  display:flex; align-items:flex-start; gap:10px;
  font-size:.95rem; color: var(--ink);
}
.checklist .box{
  width:18px; height:18px; border: 1.5px solid var(--teal); border-radius:5px;
  flex-shrink:0; margin-top:2px; position: relative;
}
.checklist li.checked{ color:#8B8880; text-decoration: line-through; }
.checklist li.checked .box{ background: var(--teal); }
.checklist li.checked .box::after{
  content:""; position:absolute; left:4px; top:1px; width:5px; height:9px;
  border-right: 2px solid var(--paper-hi); border-bottom: 2px solid var(--paper-hi);
  transform: rotate(45deg);
}
.list-total{
  margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--line);
  display:flex; justify-content:space-between; align-items:baseline;
  font-family: var(--font-mono); font-size:.8rem; color: var(--teal-dark);
}
.list-total strong{ font-size:1rem; color: var(--ochre-dark); }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
}

/* =========================================================
   POSTS
========================================================= */
.posts{ background: var(--teal-dark); color: var(--paper-hi); padding: 84px 0; }
.posts .eyebrow{ color: #A9C4BC; }
.posts h2{ color: var(--paper-hi); }
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-lede{ color:#C7D9D3; }

.post-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 900px){ .post-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px){ .post-grid{ grid-template-columns: 1fr; } }

.post-card{
  background: var(--paper-hi);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
  text-align:left;
  border: none;
  cursor:pointer;
  display:flex; flex-direction:column; gap: 10px;
  box-shadow: var(--shadow);
  transition: transform .18s ease;
}
.post-card:hover{ transform: translateY(-4px) rotate(-0.5deg); }
.card-tag{
  font-family: var(--font-mono); font-size: .72rem; color: var(--ochre-dark);
}
.post-card h3{ font-size: 1.15rem; margin:0; }
.card-excerpt{ font-size:.92rem; color:#5A5751; margin:0; flex-grow:1; font-family: var(--font-body); }
.card-read{
  font-family: var(--font-mono); font-size:.78rem; color: var(--teal);
  font-weight:700;
}

/* =========================================================
   MÉTODO
========================================================= */
.method{ padding: 88px 0; }
.method-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
.method-copy p{ max-width: 44ch; color:#4A4844; }

.method-steps{ display:grid; gap: 16px; }
.step{
  display:flex; align-items:flex-start; gap: 16px;
  background: var(--paper-hi); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px;
}
.step-n{
  font-family: var(--font-display); font-size:1.4rem; color: var(--ochre-dark);
  flex-shrink:0; width: 30px;
}
.step p{ margin:0; font-size:.95rem; color:#4A4844; }

@media (max-width: 860px){ .method-grid{ grid-template-columns:1fr; } }

/* =========================================================
   SOBRE
========================================================= */
.about{ padding: 84px 0; background: var(--paper-hi); }
.about-grid{ display:grid; grid-template-columns: 1.3fr .9fr; gap: 56px; }
.about .eyebrow{ color: var(--ochre-dark); }
.about-copy p{ color:#4A4844; max-width: 52ch; }

.about-note{
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  align-self:start;
  font-size:.92rem;
  color:#5A5751;
}

@media (max-width: 860px){ .about-grid{ grid-template-columns:1fr; } }

/* =========================================================
   NEWSLETTER
========================================================= */
.contact{ padding: 88px 0; }
.contact-grid{ display:grid; grid-template-columns: 1fr .8fr; gap: 56px; align-items:center; }
.contact-copy p{ color:#4A4844; max-width: 42ch; }

.contact-form{
  background: var(--paper-hi);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.field{ margin-bottom: 18px; }
.field label{ display:block; font-family: var(--font-mono); font-size:.76rem; margin-bottom:6px; color:#5A5751; }
.field input{
  width:100%; padding: .8em .9em; border: 1.5px solid var(--line);
  border-radius: 8px; font-family: var(--font-body); font-size:.95rem;
  background: var(--paper); color: var(--ink);
}
.field input:focus{ border-color: var(--teal); }
.form-status{ margin: 12px 0 0; font-size:.88rem; min-height: 1.2em; color: var(--teal-dark); font-weight:600; }

@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; } }

/* =========================================================
   MODAL
========================================================= */
.modal-overlay{
  position: fixed; inset:0; background: rgba(43,42,40,0.65);
  display:flex; align-items:center; justify-content:center;
  padding: 24px; opacity:0; pointer-events:none; transition: opacity .2s ease;
  z-index: 300;
}
.modal-overlay.open{ opacity:1; pointer-events:auto; }
.modal{
  background: var(--paper-hi); max-width: 620px; width:100%;
  max-height: 84vh; overflow-y:auto;
  border-radius: var(--radius); padding: 40px 36px 34px;
  position:relative; box-shadow: 0 30px 60px -20px rgba(0,0,0,0.45);
  transform: translateY(10px); transition: transform .2s ease;
}
.modal-overlay.open .modal{ transform: translateY(0); }
.modal-close{
  position:absolute; top:16px; right:16px; width:36px; height:36px;
  border-radius:50%; border:1.5px solid var(--ink); background:transparent;
  font-size:1.3rem; line-height:1; cursor:pointer; color: var(--ink);
}
.modal-close:hover{ background: var(--ink); color: var(--paper-hi); }
.modal-tag{ font-family: var(--font-mono); font-size:.75rem; color: var(--ochre-dark); margin-bottom:6px; }
.modal-body p{ color:#4A4844; font-family: var(--font-body); }
.modal-body p:last-child{ margin-bottom:0; }

/* =========================================================
   FOOTER
========================================================= */
.site-footer{ background: var(--ink); color:#C9C6BE; padding: 48px 0 26px; }
.footer-grid{ display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap; padding-bottom: 24px; border-bottom: 1px solid rgba(201,198,190,0.15); }
.footer-fine{ font-size:.85rem; margin-top:10px; color:#9C998F; max-width: 40ch; }
.footer-links{ display:flex; gap:22px; align-items:flex-start; font-size:.9rem; }
.footer-links a{ text-decoration:none; color:#C9C6BE; }
.footer-links a:hover{ color: var(--ochre); }
.footer-copy{ text-align:center; font-size:.78rem; margin: 20px 0 0; color:#847F73; }