/* ============================================================
   SOTO WEB STUDIO — V1.0 HOMEPAGE
   Archetype: Editorial. The page as a magazine issue —
   eight numbered chapters, a running folio in the margin,
   asymmetric columns, serif pull-quotes, quiet motion.
   ============================================================ */

:root{
  --paper:#F1EDE3;
  --paper-deep:#E7DFC9;
  --ink:#191510;
  --ink-soft:#5B5347;
  --indigo:#2B3A55;
  --brass:#8C6A2E;
  --line:#D9D0BA;
  --void:#0E0B14;
  --aurora-1:#8B6CFF;
  --aurora-2:#2FD5C8;
  --on-dark:#F5F1E8;
  --on-dark-soft:#B7AFC6;
  --serif:'Newsreader', Georgia, serif;
  --sans:'Public Sans', Arial, sans-serif;
  --maxw:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;color:var(--ink);
  font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;
  background-color:var(--void);
  position:relative;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,blockquote{font-family:var(--serif);margin:0;font-weight:500;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px solid var(--aurora-1);outline-offset:3px}

/* ---------- Aurora backdrop (fixed, shows through dark chapters only) ---------- */
.aurora{position:fixed;inset:0;z-index:0;overflow:hidden;background:var(--void)}
.aurora-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;mix-blend-mode:screen}
.a1{width:60vw;height:60vw;top:-20%;left:-10%;background:radial-gradient(circle,var(--aurora-1),transparent 70%);animation:drift1 26s ease-in-out infinite}
.a2{width:50vw;height:50vw;top:20%;right:-15%;background:radial-gradient(circle,var(--aurora-2),transparent 70%);animation:drift2 32s ease-in-out infinite}
.a3{width:45vw;height:45vw;bottom:-15%;left:20%;background:radial-gradient(circle,var(--brass),transparent 70%);opacity:.35;animation:drift3 38s ease-in-out infinite}
.grain{
  position:absolute;inset:0;opacity:.06;mix-blend-mode:overlay;
  background-image:radial-gradient(circle at 1px 1px, #fff 1px, transparent 0);
  background-size:3px 3px;
}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(8%,10%) scale(1.15)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-10%,6%) scale(1.1)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(6%,-8%) scale(1.2)}}
@media (prefers-reduced-motion:reduce){.aurora-blob{animation:none}}

/* ---------- Cursor spotlight (dark chapters only, via blend) ---------- */
.spotlight{
  position:fixed;inset:0;z-index:5;pointer-events:none;mix-blend-mode:soft-light;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,.35), transparent 70%);
  opacity:0;transition:opacity .4s ease;
}
body:has(.dark-chapter:hover) .spotlight{opacity:1}

/* ---------- Scroll progress rule ---------- */
.progress-rule{
  position:fixed;left:24px;top:96px;bottom:24px;width:2px;z-index:45;
  background:rgba(140,106,46,.18);border-radius:2px;
}
.progress-fill{
  position:absolute;top:0;left:0;width:100%;height:0%;
  background:linear-gradient(180deg,var(--aurora-1),var(--brass));
  border-radius:2px;transition:height .1s linear;
}
@media (max-width:900px){.progress-rule{display:none}}

/* ---------- Light chapter shell (default) ---------- */
.chapter{
  position:relative;max-width:var(--maxw);margin:0 auto;
  padding:120px 88px 120px 96px;
  scroll-margin-top:90px;
  background:var(--paper);
  z-index:1;
}
.thinking{background:var(--paper-deep)}
.clients{background:var(--paper-deep)}

/* ---------- Dark chapter override ---------- */
.dark-chapter{
  background:linear-gradient(180deg, rgba(11,10,16,.72), rgba(11,10,16,.88));
  color:var(--on-dark);
  max-width:none;
}
.dark-chapter > *{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.dark-chapter .kicker,.dark-chapter .arche-index{color:var(--brass)}
.dark-chapter h1,.dark-chapter h2,.dark-chapter h3{color:var(--on-dark)}
.dark-chapter .lead{color:var(--on-dark-soft)}
.dark-chapter .chapter-head p{color:var(--on-dark-soft)}
.dark-chapter .link-quiet{color:var(--on-dark-soft)}
.dark-chapter .link-quiet:hover{color:var(--aurora-2)}
.dark-chapter .link-cta{color:var(--on-dark);border-bottom-color:var(--aurora-1)}
.dark-chapter .link-cta span{color:var(--aurora-1)}
.dark-chapter .folio-label{color:var(--on-dark-soft)}
.dark-chapter .folio span:first-child{color:var(--brass)}
.dark-chapter .chapter-note{color:var(--on-dark-soft)}

.chapter-head{max-width:680px;margin-bottom:64px}
.chapter-head h2{font-size:clamp(1.9rem,3.6vw,2.6rem);line-height:1.12;margin-bottom:18px}
.chapter-head p{color:var(--ink-soft);font-size:1.05rem;max-width:520px}
.chapter-note{margin-top:44px;color:var(--ink-soft);font-size:.92rem;max-width:560px}
.chapter-note a{color:var(--indigo);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.dark-chapter .chapter-note a{color:var(--aurora-2)}

/* ---------- Kinetic hero heading ---------- */
.kinetic-heading{font-size:clamp(2.4rem,4.6vw,3.7rem);line-height:1.08;letter-spacing:-.01em;overflow:hidden}
.kinetic-heading .line{display:block;overflow:hidden}
.kinetic-heading .line > span,.kinetic-heading .line{
  animation:lineUp .9s cubic-bezier(.22,1,.36,1) both;
}
.kinetic-heading .line:nth-child(1){animation-delay:.05s}
.kinetic-heading .line:nth-child(2){animation-delay:.22s}
@keyframes lineUp{from{transform:translateY(110%)}to{transform:translateY(0)}}
.kinetic-heading em{font-style:italic;color:var(--aurora-1)}
@media (prefers-reduced-motion:reduce){.kinetic-heading .line{animation:none}}

/* ---------- Folio (the running margin mark) ---------- */
.folio{
  position:absolute;left:24px;top:120px;display:flex;flex-direction:column;
  align-items:center;gap:10px;font-family:var(--sans);
}
.folio span:first-child{
  font-family:var(--serif);font-style:italic;font-size:1.4rem;color:var(--brass);
}
.folio-label{
  writing-mode:vertical-rl;text-orientation:mixed;font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-soft);font-weight:600;
}
@media (max-width:900px){
  .folio{display:none}
  .chapter{padding:80px 24px}
}

/* ---------- Nav ---------- */
.site-nav{
  position:sticky;top:0;z-index:50;background:rgba(14,11,20,.72);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(245,241,232,.12);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:22px 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.wordmark{font-family:var(--serif);font-size:1.15rem;font-style:italic;color:var(--on-dark)}
.nav-links{display:flex;align-items:center;gap:32px;font-size:.92rem;font-weight:600}
.nav-links a{color:var(--on-dark-soft)}
.nav-links a:hover{color:var(--on-dark)}
.nav-links a.nav-cta{color:var(--aurora-2);position:relative}
.nav-cta::after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--aurora-2)}
.nav-toggle-input:checked ~ .nav-overlay{opacity:1;visibility:visible}
.nav-toggle-input{display:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:1.5px;background:var(--on-dark);display:block}
.nav-overlay{
  position:fixed;inset:0;background:var(--void);z-index:60;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .35s ease;
}
.nav-overlay nav{display:flex;flex-direction:column;gap:26px;text-align:center}
.nav-overlay a{font-family:var(--serif);font-size:2rem;font-style:italic;color:var(--on-dark)}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
}

/* ---------- Motion ---------- */
.chapter-head,.arche-card,.toc-row,.process-list li,.invest-row,.pull-quote,
.thinking-body,.marginalia,.clients-box,.hero-copy,.hero-covers .cover,
.start-grid > div,.start-form{
  opacity:0;transform:translateY(16px);transition:opacity .9s ease, transform .9s ease;
}
.is-visible{opacity:1!important;transform:none!important}
@media (prefers-reduced-motion:reduce){
  .chapter-head,.arche-card,.toc-row,.process-list li,.invest-row,.pull-quote,
  .thinking-body,.marginalia,.clients-box,.hero-copy,.hero-covers .cover,
  .start-grid > div,.start-form{opacity:1;transform:none;transition:none}
}

/* ---------- I. Hero ---------- */
.hero{padding-top:80px}
.kicker{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);
  font-weight:700;margin-bottom:22px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.hero-copy{grid-column:1;margin-left:4%}
.hero h1{font-size:clamp(2.4rem,4.6vw,3.7rem);line-height:1.08;letter-spacing:-.01em}
.hero .lead{margin-top:26px;color:var(--ink-soft);font-size:1.12rem;max-width:480px;line-height:1.65}
.hero-actions{display:flex;flex-direction:column;gap:14px;margin-top:38px;align-items:flex-start}
.link-cta{
  font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--ink);
  border-bottom:1.5px solid var(--indigo);padding-bottom:4px;display:inline-flex;gap:8px;
}
.link-cta span{color:var(--indigo)}
.link-quiet{font-size:.92rem;color:var(--ink-soft);font-weight:600}
.link-quiet:hover{color:var(--indigo)}

.hero-covers{display:flex;flex-direction:column;gap:16px;margin-top:6px}
.cover{
  border-radius:2px;padding:26px 24px;min-height:118px;display:flex;flex-direction:column;
  justify-content:space-between;box-shadow:0 18px 40px -22px rgba(25,21,16,.35);
  transition:transform .35s ease;
}
.cover:hover{transform:translateY(-3px)}
.cover-tag{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700}
.cover-line{font-size:1.05rem;line-height:1.25;margin-top:10px}
.cover-editorial{background:var(--paper-deep);border:1px solid var(--line)}
.cover-editorial .cover-tag{color:var(--brass)}
.cover-editorial .cover-line{font-family:var(--serif);font-style:italic;color:var(--ink)}
.cover-brutalist{background:#050405;border:1px solid rgba(245,241,232,.35)}
.cover-brutalist .cover-tag{color:#fff}
.cover-brutalist .cover-line{font-family:var(--sans);font-weight:800;color:#fff;text-transform:uppercase;letter-spacing:.02em}
.cover-minimal{background:var(--indigo);border:1px solid rgba(245,241,232,.18);text-align:center;align-items:center}
.cover-minimal .cover-tag{color:#cdd6e5}
.cover-minimal .cover-line{font-family:var(--sans);font-weight:600;color:#fff;text-align:center}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{margin-left:0}
  .hero-covers{flex-direction:row;flex-wrap:wrap}
  .cover{flex:1 1 150px}
}

/* ---------- II. The Work ---------- */
.archetype-row{display:grid;grid-template-columns:5fr 4fr 3fr;gap:20px;align-items:stretch}
.arche-card{
  border-radius:2px;padding:34px 28px;display:flex;flex-direction:column;gap:16px;min-height:260px;
  transition:transform .35s ease, box-shadow .35s ease;
}
.arche-card:hover{transform:translateY(-5px);box-shadow:0 24px 50px -20px rgba(25,21,16,.28)}
.arche-index{font-size:.78rem;letter-spacing:.1em;font-weight:700}
.arche-card h3{font-size:1.4rem}
.arche-quote{font-size:.98rem;line-height:1.5;flex:1}
.arche-detail{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;font-weight:600}

.arche-editorial{background:var(--paper-deep);border:1px solid var(--line);color:var(--ink)}
.arche-editorial .arche-index{color:var(--brass)}
.arche-editorial h3{font-style:italic}
.arche-editorial .arche-quote{font-family:var(--serif);font-style:italic;font-size:1.15rem}
.arche-editorial .arche-detail{color:var(--ink-soft)}

.arche-brutalist{background:#050405;color:#fff;border:1px solid rgba(245,241,232,.35);font-family:var(--sans)}
.arche-brutalist .arche-index{color:#fff}
.arche-brutalist h3{font-family:var(--sans);font-weight:800;letter-spacing:.02em}
.arche-brutalist .arche-quote{font-family:var(--sans);font-weight:700;text-transform:uppercase;font-size:.98rem}
.arche-brutalist .arche-detail{color:#c9c9c9}

.arche-minimal{background:var(--indigo);color:#fff;border:1px solid rgba(245,241,232,.18);align-items:center;text-align:center;justify-content:center}
.arche-minimal .arche-index{color:#a9b7cf;align-self:center}
.arche-minimal h3{color:#fff}
.arche-minimal .arche-quote{font-family:var(--sans);font-size:1.05rem}
.arche-minimal .arche-detail{color:#a9b7cf}

@media (max-width:900px){.archetype-row{grid-template-columns:1fr}}

/* ---------- III. The Thinking ---------- */
.thinking{background:var(--paper-deep)}
.thinking-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:56px;align-items:start}
.pull-quote{
  font-size:clamp(1.6rem,2.6vw,2.1rem);font-style:italic;line-height:1.35;
  border-left:2px solid var(--brass);padding-left:26px;
}
.thinking-body p{color:var(--ink-soft);margin-bottom:16px;font-size:1rem;line-height:1.7}
.marginalia{border-left:1px solid var(--line);padding-left:22px;min-width:220px}
.marginalia li{font-size:.85rem;color:var(--ink-soft);padding:12px 0;border-bottom:1px solid var(--line)}
.marginalia li:last-child{border-bottom:none}
@media (max-width:960px){.thinking-grid{grid-template-columns:1fr}.marginalia{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:20px}}

/* ---------- IV. The Library (table of contents) ---------- */
.toc{border-top:1px solid var(--line)}
.toc-row{
  display:grid;grid-template-columns:50px 200px 1fr 90px;align-items:center;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);transition:background .25s ease, padding-left .25s ease;
}
.toc-row:hover{background:var(--paper-deep);padding-left:14px}
.toc-num{font-family:var(--serif);font-style:italic;color:var(--brass);font-size:1.1rem}
.toc-name{font-family:var(--serif);font-size:1.35rem}
.toc-note{color:var(--ink-soft);font-size:.94rem}
.toc-go{font-size:.82rem;font-weight:700;color:var(--indigo);text-align:right;white-space:nowrap}
@media (max-width:760px){
  .toc-row{grid-template-columns:1fr;gap:6px;padding:22px 0}
  .toc-go{text-align:left}
}

/* ---------- V. Process ---------- */
.process-list{display:flex;flex-direction:column}
.process-list li{
  display:grid;grid-template-columns:70px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);
}
.process-list li:first-child{border-top:1px solid var(--line)}
.roman{font-family:var(--serif);font-style:italic;color:var(--brass);font-size:1.3rem}
.process-list h3{font-size:1.15rem;margin-bottom:6px}
.process-list p{color:var(--ink-soft);font-size:.94rem;max-width:520px}
@media (max-width:600px){.process-list li{grid-template-columns:40px 1fr}}

/* ---------- VI. Client Projects ---------- */
.clients{background:var(--paper-deep)}
.clients-box{
  max-width:640px;border:1px dashed var(--brass);border-radius:2px;padding:48px 44px;
}
.clients-box h2{font-size:1.7rem;margin-bottom:16px;font-style:italic}
.clients-box p{color:var(--ink-soft);font-size:1rem;line-height:1.7}

/* ---------- VII. Investment ---------- */
.invest-list{border-top:1px solid var(--line)}
.invest-row{
  display:flex;justify-content:space-between;align-items:flex-start;gap:32px;
  padding:36px 0;border-bottom:1px solid var(--line);
}
.invest-name h3{font-size:1.3rem;margin-bottom:8px}
.invest-name p{color:var(--ink-soft);font-size:.95rem;max-width:460px}
.invest-price{
  font-family:var(--serif);font-style:italic;font-size:1.5rem;white-space:nowrap;flex:none;color:var(--indigo);
}
.invest-price span{font-family:var(--sans);font-style:normal;font-size:.85rem;color:var(--ink-soft)}
@media (max-width:640px){.invest-row{flex-direction:column;gap:10px}}

/* ---------- VIII. Start / Contact ---------- */
.start-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.start-grid h2{font-size:clamp(1.9rem,3.4vw,2.5rem);margin-bottom:18px}
.start-grid > div > p{color:var(--ink-soft);font-size:1.02rem;max-width:420px}
.start-form{display:flex;flex-direction:column;gap:22px}
.start-form label{display:flex;flex-direction:column;gap:8px;font-size:.82rem;color:var(--ink-soft);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.start-form input,.start-form textarea{
  font-family:var(--sans);font-size:1rem;color:var(--ink);background:transparent;
  border:none;border-bottom:1px solid var(--line);padding:10px 2px;font-weight:400;
}
.start-form input:focus,.start-form textarea:focus{border-bottom-color:var(--indigo);outline:none}
.start-form textarea{resize:vertical;min-height:90px}
.form-submit{align-self:flex-start;margin-top:8px;background:none}
@media (max-width:860px){.start-grid{grid-template-columns:1fr}}
.dark-chapter .start-grid > div > p{color:var(--on-dark-soft)}
.dark-chapter .start-form label{color:var(--on-dark-soft)}
.dark-chapter .start-form input,.dark-chapter .start-form textarea{
  color:var(--on-dark);border-bottom-color:rgba(245,241,232,.28);
}
.dark-chapter .start-form input::placeholder,.dark-chapter .start-form textarea::placeholder{color:rgba(183,175,198,.6)}
.dark-chapter .start-form input:focus,.dark-chapter .start-form textarea:focus{border-bottom-color:var(--aurora-2)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:44px 32px;background:var(--paper);position:relative;z-index:1}
.footer-inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-inner .wordmark{font-size:1rem;color:var(--ink)}
.footer-note{color:var(--ink-soft);font-size:.85rem}

/* ---------- Small screens: chapter padding tightened ---------- */
@media (max-width:600px){
  .chapter{padding:64px 20px}
  h1{letter-spacing:-.01em}
}