/* ------------------------------------------------------------------ */
/* Tokens                                                              */
/* ------------------------------------------------------------------ */
:root{
  --cream:        #faf6f0;
  --cream-deep:    #f2ebe0;
  --ink:           #2a2420;
  --ink-soft:      #5b5048;
  --ink-faint:     #8c8178;
  --sage:          #6f8f6f;
  --sage-deep:     #4f6c52;
  --clay:          #bd7452;
  --clay-deep:     #9c5a3c;
  --dusk:          #2f2a28;
  --dusk-card:     #3a332f;
  --rose:          #a85c56;
  --line:          rgba(42,36,32,0.10);
  --line-dark:     rgba(250,246,240,0.12);

  --serif: "Lora", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 880px;
  --radius: 18px;
  --ease: cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--sans);
  background:var(--cream);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.65;
}
h1,h2,h3{ font-family:var(--serif); font-weight:600; color:var(--ink); margin:0; }
p{ margin:0 0 1em; color:var(--ink-soft); }
strong{ color:var(--ink); font-weight:600; }
em{ color:var(--ink); font-style:italic; }
a{ color:inherit; }
::selection{ background:var(--clay); color:#fff; }

/* ------------------------------------------------------------------ */
/* Scroll progress                                                     */
/* ------------------------------------------------------------------ */
.progress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:linear-gradient(90deg,var(--clay),var(--sage));
  z-index:999; transition:width .1s linear;
}

/* ------------------------------------------------------------------ */
/* Nav                                                                  */
/* ------------------------------------------------------------------ */
.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(250,246,240,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:1080px; margin:0 auto; padding:16px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav__brand{
  font-family:var(--serif); font-weight:600; font-size:1.05rem; color:var(--ink);
  letter-spacing:.01em;
}
.nav__links{
  list-style:none; display:flex; gap:28px; margin:0; padding:0;
}
.nav__links a{
  text-decoration:none; font-size:.92rem; color:var(--ink-soft);
  transition:color .2s var(--ease);
  position:relative;
}
.nav__links a::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:1px;
  background:var(--clay); transform:scaleX(0); transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav__links a:hover{ color:var(--ink); }
.nav__links a:hover::after{ transform:scaleX(1); }

.nav__toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:34px; height:34px; background:none; border:none; cursor:pointer; padding:0;
}
.nav__toggle span{
  display:block; width:100%; height:2px; background:var(--ink); border-radius:2px;
  transition:transform .25s var(--ease), opacity .25s var(--ease);
}

@media (max-width:760px){
  .nav__toggle{ display:flex; }
  .nav__links{
    position:fixed; top:65px; left:0; right:0;
    background:var(--cream); border-bottom:1px solid var(--line);
    flex-direction:column; gap:0; padding:8px 24px 18px;
    transform:translateY(-12px); opacity:0; pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease);
  }
  .nav__links.is-open{
    transform:translateY(0); opacity:1; pointer-events:auto;
  }
  .nav__links li{ border-top:1px solid var(--line); }
  .nav__links a{ display:block; padding:14px 0; }
  .nav__links a::after{ display:none; }
}

/* ------------------------------------------------------------------ */
/* Hero                                                                 */
/* ------------------------------------------------------------------ */
.hero{
  padding:96px 24px 72px;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(111,143,111,0.14), transparent 60%),
    radial-gradient(700px 420px at -10% 110%, rgba(189,116,82,0.14), transparent 60%);
}
.hero__inner{ max-width:var(--maxw); margin:0 auto; }
.hero__eyebrow{
  font-size:.82rem; text-transform:uppercase; letter-spacing:.14em;
  color:var(--clay-deep); font-weight:600; margin:0 0 20px;
}
.hero__title{
  font-size:clamp(1.9rem, 4vw, 2.9rem);
  line-height:1.28;
  letter-spacing:-0.01em;
  margin-bottom:26px;
}
.hero__lede{
  font-size:1.14rem; max-width:62ch; color:var(--ink-soft);
}
.hero__note{
  margin-top:32px; padding:18px 22px;
  background:var(--cream-deep); border-left:3px solid var(--sage-deep);
  border-radius:4px; font-size:.95rem; color:var(--ink-soft);
}
.hero__note strong{ color:var(--sage-deep); }

/* ------------------------------------------------------------------ */
/* Section scaffolding                                                  */
/* ------------------------------------------------------------------ */
.section{ padding:88px 24px; }
.section--tint{ background:var(--cream-deep); }
.section--dark{ background:var(--dusk); }
.section--dark .section__title,
.section--dark .section__kicker{ color:var(--cream); }
.section--dark .section__intro,
.section--dark p{ color:#cfc7bd; }
.section--dark strong{ color:#fff; }

.section__inner{ max-width:var(--maxw); margin:0 auto; }
.section__kicker{
  font-size:.82rem; text-transform:uppercase; letter-spacing:.14em;
  color:var(--clay-deep); font-weight:600; margin:0 0 14px;
}
.section__title{
  font-size:clamp(1.5rem, 3vw, 2.1rem); margin-bottom:22px; line-height:1.3;
}
.section__intro{ font-size:1.05rem; max-width:68ch; margin-bottom:48px; }

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* ------------------------------------------------------------------ */
/* Timeline                                                             */
/* ------------------------------------------------------------------ */
.timeline{ list-style:none; margin:0; padding:0; position:relative; }
.timeline::before{
  content:""; position:absolute; left:132px; top:6px; bottom:6px; width:1px;
  background:var(--line);
}
.timeline__item{
  display:grid; grid-template-columns:132px 1fr; gap:28px;
  padding:20px 0; position:relative;
}
.timeline__item::after{
  content:""; position:absolute; left:128px; top:28px; width:9px; height:9px;
  border-radius:50%; background:var(--clay); box-shadow:0 0 0 4px var(--cream);
}
.timeline__marker{
  font-family:var(--serif); font-weight:600; font-size:.92rem; color:var(--sage-deep);
  padding-top:2px;
}
.timeline__item p{ margin:0; }

@media (max-width:620px){
  .timeline::before{ left:10px; }
  .timeline__item{ grid-template-columns:1fr; gap:6px; padding-left:28px; }
  .timeline__item::after{ left:6px; top:7px; }
  .timeline__marker{ padding-top:0; }
}

/* ------------------------------------------------------------------ */
/* Framework cards                                                      */
/* ------------------------------------------------------------------ */
.cards{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:28px;
}
@media (max-width:760px){ .cards{ grid-template-columns:1fr; } }

.card{
  background:var(--cream); border:1px solid var(--line); border-radius:var(--radius);
  padding:32px 30px; transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 40px -22px rgba(42,36,32,0.25);
  border-color:rgba(111,143,111,0.4);
}
.card__num{
  font-family:var(--serif); font-size:.85rem; font-weight:600; color:var(--clay);
  margin-bottom:10px; letter-spacing:.06em;
}
.card__title{ font-size:1.25rem; margin-bottom:6px; }
.card__authors{
  font-size:.82rem; color:var(--ink-faint); margin-bottom:16px; font-style:italic;
}
.card p:last-child{ margin-bottom:0; }

/* ------------------------------------------------------------------ */
/* Flags (observations)                                                 */
/* ------------------------------------------------------------------ */
.flags{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:22px;
  margin-bottom:36px;
}
.flag{
  background:#fff; border-radius:14px; padding:24px 24px 22px;
  border:1px solid var(--line); border-top:3px solid var(--rose);
}
.flag h3{ font-size:1.02rem; margin-bottom:12px; }
.flag__quote{
  font-family:var(--serif); font-style:italic; color:var(--ink);
  background:var(--cream-deep); padding:12px 14px; border-radius:8px;
  font-size:.92rem; margin-bottom:12px; line-height:1.55;
}
.flag__text{ font-size:.92rem; margin:0; }
.flags__footnote{
  font-size:.92rem; color:var(--ink-faint); max-width:72ch;
  border-top:1px solid var(--line); padding-top:24px;
}

/* ------------------------------------------------------------------ */
/* Answer section                                                       */
/* ------------------------------------------------------------------ */
.answer__lead{ font-size:1.1rem; max-width:70ch; }
.answer__points{ margin:36px 0; display:flex; flex-direction:column; gap:20px; }
.answer__point{
  display:grid; grid-template-columns:24px 1fr; gap:14px;
  padding:4px 0;
}
.answer__point-mark{ color:var(--clay); font-family:var(--serif); font-size:1.3rem; line-height:1.4; }
.answer__point p{ margin:0; color:#cfc7bd; font-size:1rem; }
.answer__point strong{ color:#fff; }
.answer__verdict{
  margin-top:40px; padding:26px 28px; border-radius:14px;
  background:rgba(111,143,111,0.14); border:1px solid rgba(111,143,111,0.3);
  font-size:1.08rem; color:#eee8de; max-width:74ch;
}
.answer__verdict strong{ color:#fff; }

/* ------------------------------------------------------------------ */
/* Steps                                                                 */
/* ------------------------------------------------------------------ */
.steps{ display:flex; flex-direction:column; gap:0; }
.step{
  display:grid; grid-template-columns:56px 1fr; gap:24px;
  padding:28px 0; border-top:1px solid var(--line);
}
.step:last-child{ padding-bottom:0; }
.step__index{
  font-family:var(--serif); font-size:1.4rem; font-weight:600; color:var(--sage-deep);
}
.step h3{ font-size:1.12rem; margin-bottom:8px; }
.step p{ margin:0; max-width:68ch; }

/* ------------------------------------------------------------------ */
/* Support                                                               */
/* ------------------------------------------------------------------ */
.support{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
@media (max-width:860px){ .support{ grid-template-columns:1fr; } }
.support__card{
  background:#fff; border:1px solid var(--line); border-radius:14px; padding:26px 24px;
}
.support__card h3{ font-size:1.02rem; margin-bottom:10px; color:var(--sage-deep); }
.support__card p{ font-size:.94rem; margin:0; }

/* ------------------------------------------------------------------ */
/* Footer                                                                */
/* ------------------------------------------------------------------ */
.footer{ background:var(--dusk); padding:56px 24px 48px; }
.footer__inner{ max-width:var(--maxw); margin:0 auto; }
.footer__inner p{ color:#a79e93; font-size:.9rem; max-width:70ch; }
.footer__signature{ font-family:var(--serif); font-style:italic; color:#cfc7bd !important; margin-top:18px; }