/* =============================================================
   Matteo Minoli — shared styles
   Design tokens + layout primitives for home + blog posts.
   ============================================================= */

:root{
  --bg:        #FAFAF7;
  --bg-elev:   #F4F3EF;
  --ink:       #111110;
  --ink-2:     #4A4A47;
  --muted:     #8C8C87;
  --rule:      #E8E7E1;
  --rule-soft: #F0EFEA;
  --accent:    #1A4D3A;
  --blue:      #3D6FAA;
  --blue-soft: #E4ECF6;
  --warn:      #C7611A;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, monospace;

  --maxw: 1280px;
  --maxw-prose: 760px;
  --pad-x: clamp(20px, 5vw, 56px);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  font-feature-settings:"ss01","cv11";
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  /* no overflow-x:hidden here — it blocks horizontal scrolling on child elements
     in mobile browsers. Layout is constrained naturally via .wrap max-widths. */
}
::selection{background:var(--blue); color:#fff}
a{color:inherit; text-decoration:none}

.wrap{max-width:var(--maxw); margin:0 auto; padding-inline:var(--pad-x)}
.wrap-prose{max-width:var(--maxw-prose); margin:0 auto; padding-inline:var(--pad-x)}

/* ============ NAV ============ */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(250,250,247,0.85);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--rule-soft);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:60px; gap:24px;
}
.brand{
  font-family:var(--sans);
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  letter-spacing:-0.018em;
}
.nav-links{
  display:flex; gap:28px; align-items:center;
  font-size:14px;
  color:var(--ink-2);
}
.nav-links a{
  transition:color .18s ease;
  padding:6px 0;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.is-active{color:var(--blue)}

/* lang toggle */
.lang-switch{
  display:inline-flex;
  border:1px solid var(--rule);
  border-radius:999px;
  padding:3px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.04em;
  margin-left:auto;
}
.lang-switch a{
  padding:5px 12px;
  border-radius:999px;
  color:var(--muted);
  transition:background .15s ease, color .15s ease;
}
.lang-switch a.is-active{
  background:var(--ink);
  color:var(--bg);
}
.lang-switch a:not(.is-active):hover{color:var(--ink)}

/* hamburger */
.burger{
  display:none;
  width:36px; height:36px;
  border:1px solid var(--rule);
  background:transparent;
  cursor:pointer;
  padding:0;
  position:relative;
  border-radius:6px;
}
.burger span{
  position:absolute; left:9px; right:9px; height:1.4px; background:var(--ink);
  transition:transform .25s ease, opacity .15s ease, top .25s ease;
}
.burger span:nth-child(1){top:13px}
.burger span:nth-child(2){top:18px}
.burger span:nth-child(3){top:23px}
.burger.is-open span:nth-child(1){top:18px; transform:rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){top:18px; transform:rotate(-45deg)}

/* mobile menu */
.mobile-menu{
  position:fixed; inset:60px 0 0 0;
  background:var(--bg);
  z-index:40;
  transform:translateY(-105%);
  transition:transform .4s cubic-bezier(.7,0,.2,1);
  display:flex; flex-direction:column; justify-content:space-between;
  padding:36px var(--pad-x) 32px;
  overflow-y:auto;
}
.mobile-menu.is-open{transform:translateY(0)}
.mobile-menu ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; }
.mobile-menu li{ border-bottom:1px solid var(--rule-soft); }
.mobile-menu a{
  display:block;
  font-size:22px;
  font-weight:400;
  letter-spacing:-0.015em;
  padding:18px 0;
  color:var(--ink);
}
.mobile-menu .mm-foot{
  margin-top:32px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  display:flex; flex-direction:column; gap:8px;
}
.mobile-menu .mm-foot a{color:var(--ink-2)}
.mobile-menu .mm-lang{margin-top:18px}
body.menu-open{overflow:hidden}

/* ============ HEADER STRIP ============ */
.header-strip{
  padding:18px 0 22px;
  border-bottom:1px solid var(--rule);
}
.header-strip-inner{
  display:flex; flex-wrap:wrap; gap:14px 36px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--ink-2);
  align-items:baseline;
}
.header-strip-inner .label{ color:var(--muted); margin-right:8px; }
.header-strip-inner .name{ color:var(--ink); letter-spacing:0.04em; }

/* urgency pill */
.urgency{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--ink);
  border:1px solid var(--rule);
  background:var(--bg-elev);
  padding:5px 12px;
  border-radius:999px;
  white-space:nowrap;
}
.urgency::before{
  content:""; width:6px; height:6px; border-radius:50%;
  background:var(--warn);
  box-shadow:0 0 0 0 rgba(199,97,26,.6);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(199,97,26,.55)}
  70%{box-shadow:0 0 0 8px rgba(199,97,26,0)}
  100%{box-shadow:0 0 0 0 rgba(199,97,26,0)}
}

/* ============ HERO (HOME) ============ */
.hero{
  padding:clamp(40px, 5vw, 72px) 0 clamp(20px, 3vw, 36px);
}
.hero-meta{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  letter-spacing:0.04em;
  margin:0 0 18px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.hero-meta-prefix{ white-space:nowrap; }
.hero-meta-cities{
  display:flex;
  align-items:center;
  gap:0 14px;
  flex-wrap:wrap;
  color:var(--ink-2);
}
.hero-meta-cities .sep{ opacity:0.4; }
@media (min-width: 1100px){
  .hero-meta{ flex-direction:row; align-items:center; gap:0 14px; }
  .hero-meta-prefix::after{
    content:"·";
    margin-inline-start:14px;
    opacity:0.5;
  }
  .hero-meta-cities{ flex-wrap:nowrap; }
}
@media (max-width: 520px){
  .hero-meta{ font-size:11px; }
}
.hero h1{
  font-weight:400;
  font-size:clamp(20px, 1.8vw, 24px);
  line-height:1.35;
  letter-spacing:-0.012em;
  margin:0 0 14px;
  color:var(--ink);
  max-width:60ch;
}
.hero h1 .em{ color:var(--muted); font-weight:400; }
.hero-sub{
  margin:0;
  font-size:15px;
  color:var(--muted);
  max-width:60ch;
  font-family:var(--mono);
  letter-spacing:0.02em;
}

/* ============ CLIENT STRIP : reliably scrollable, Firefox-safe ============ */
.marquee{
  border-block:1px solid var(--rule);
  padding-block:18px;
  margin-top:clamp(28px, 4vw, 48px);
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  touch-action:pan-x;
  position:relative;
}
.marquee::-webkit-scrollbar{ display:none; }
/* subtle scroll cue: faint gradient on right edge hinting at more content,
   only when on smaller viewports where overflow is likely */
@media (max-width: 1099px){
  .marquee::after{
    content:"";
    position:sticky;
    right:0;
    top:0;
    bottom:0;
    width:36px;
    pointer-events:none;
    background:linear-gradient(90deg, transparent, var(--bg) 90%);
    /* sticky on right edge of scroll container is tricky; we rely on a wrapper instead below */
    display:none; /* fallback: don't show */
  }
}
.marquee-track{
  display:flex;
  align-items:center;
  flex-wrap:nowrap;
  gap:56px;
  width:max-content;
  min-width:100%;
  padding-inline:var(--pad-x);
  justify-content:flex-start;
}
@media (min-width: 1100px){
  .marquee-track{ justify-content:center; }
}
.marquee-item{
  font-size:15px;
  font-weight:500;
  letter-spacing:-0.005em;
  color:var(--ink-2);
  line-height:1;
  white-space:nowrap;
  font-feature-settings:"ss01";
  opacity:0.78;
  transition:opacity .2s ease, color .2s ease;
  flex-shrink:0;
}
.marquee-item:hover{ opacity:1; color:var(--ink); }
@media (max-width: 880px){
  .marquee-track{ gap:40px; }
}
@media (max-width: 520px){
  .marquee{ padding-block:14px; }
  .marquee-item{ font-size:13px; }
  .marquee-track{ gap:32px; }
}

/* ============ SECTIONS ============ */
section{
  padding-block:clamp(40px, 5vw, 72px);
}
section + section{border-top:1px solid var(--rule)}

.sec-label{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  letter-spacing:0.04em;
  margin:0 0 28px;
}

/* ============ EXPERIENCE ============ */
.roles{ display:flex; flex-direction:column; }
.role{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:48px;
  padding:24px 0;
  border-top:1px solid var(--rule-soft);
}
.role:first-child{border-top:0; padding-top:0}
.role-title{
  font-size:22px;
  font-weight:500;
  letter-spacing:-0.015em;
  margin:0 0 8px;
  line-height:1.25;
  color:var(--blue);
}
.role-meta{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--muted);
  margin:0;
}
.role-meta .sep{margin:0 8px; opacity:.5}
.role-body{
  font-size:16px;
  line-height:1.6;
  color:var(--ink-2);
  max-width:60ch;
}
.role-body p{margin:0}
.role-body strong{color:var(--ink); font-weight:500}

/* ============ SKILLS ============ */
.skill-list{
  display:flex; flex-wrap:wrap;
  gap:10px 12px;
  max-width:920px;
  list-style:none;
  margin:0; padding:0;
}
.skill-list li{
  font-size:14.5px;
  color:var(--ink-2);
  border:1px solid var(--rule);
  padding:8px 14px;
  border-radius:999px;
  background:transparent;
  transition:background .15s, color .15s, border-color .15s;
}
.skill-list li:hover{
  background:var(--ink); color:var(--bg); border-color:var(--ink);
}

/* ============ BLOG LIST ============ */
.blog-list{
  display:flex; flex-direction:column;
  list-style:none; margin:0; padding:0;
}
.blog-item a{
  display:grid;
  grid-template-columns:140px 1fr 180px;
  gap:32px;
  align-items:baseline;
  padding:22px 0;
  border-top:1px solid var(--rule-soft);
  transition:padding .25s ease;
  position:relative;
}
.blog-item:last-child a{border-bottom:1px solid var(--rule-soft)}
.blog-item a:hover{padding-inline:8px}
.blog-item a:hover .blog-title{color:var(--ink)}
.blog-item a:hover .blog-arrow{transform:translateX(4px); opacity:1}

.blog-date{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  letter-spacing:0.02em;
  text-transform:uppercase;
}
.blog-title{
  font-size:clamp(17px, 1.6vw, 21px);
  font-weight:400;
  color:var(--ink-2);
  letter-spacing:-0.012em;
  line-height:1.35;
  margin:0;
  transition:color .2s ease;
}
.blog-meta-right{
  display:flex; align-items:baseline; justify-content:flex-end; gap:14px;
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--muted);
  letter-spacing:0.02em;
}
.blog-meta-right .cat{color:var(--ink-2)}
.blog-arrow{
  font-family:var(--mono);
  font-size:14px;
  color:var(--ink);
  opacity:0;
  transition:transform .25s ease, opacity .25s ease;
  margin-left:4px;
}
.blog-foot{
  margin-top:32px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
}
.blog-foot a{
  color:var(--ink); border-bottom:1px solid var(--blue);
  transition:color .15s ease, border-color .15s ease;
}
.blog-foot a:hover{color:var(--blue); border-bottom-color:var(--blue)}

/* ============ EDUCATION ============ */
.edu-list{ display:flex; flex-direction:column; }
.edu-item{
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:48px;
  padding:28px 0;
  border-top:1px solid var(--rule-soft);
}
.edu-item:first-child{border-top:0; padding-top:0}
.edu-item h3{
  font-size:20px; font-weight:400;
  margin:0 0 6px;
  letter-spacing:-0.012em;
}
.edu-item .edu-meta{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--muted);
  margin:0;
}
.edu-item .edu-meta .sep{margin:0 8px; opacity:.5}
.langs{
  display:flex; flex-wrap:wrap;
  gap:8px 28px;
  color:var(--ink-2);
  font-size:16px;
}
.langs span b{font-weight:500; color:var(--ink)}
.langs .level{color:var(--muted); font-size:13px; margin-left:4px}

/* ============ BACKGROUND (integrated prose) ============ */
.bg-prose{
  font-size:clamp(18px, 1.6vw, 22px);
  line-height:1.55;
  color:var(--ink-2);
  max-width:62ch;
  margin:0;
  font-weight:400;
  letter-spacing:-0.005em;
}

/* ============ CONTACT ============ */
.contact h2{
  font-weight:300;
  font-size:clamp(30px, 4vw, 52px);
  line-height:1.15;
  letter-spacing:-0.025em;
  margin:0 0 36px;
  max-width:24ch;
}
.contact h2 .em{color:var(--muted)}
.contact-meta{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:32px;
  border-top:1px solid var(--rule);
  padding-top:32px;
  margin-top:24px;
  max-width:720px;
}
.contact-meta .col .label{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--muted);
  margin-bottom:6px;
  display:block;
  letter-spacing:0.04em;
}
.contact-meta .col a{
  font-size:16px;
  color:var(--ink);
  border-bottom:1px solid transparent;
  transition:border-color .15s ease;
}
.contact-meta .col a:hover{border-bottom-color:var(--ink)}

.footer{
  padding:28px 0 36px;
  border-top:1px solid var(--rule);
  margin-top:64px;
  display:flex; flex-wrap:wrap; gap:14px 32px;
  justify-content:space-between; align-items:baseline;
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--muted);
}
.footer a:hover{color:var(--ink)}

/* ============ ARTICLE (blog post) ============ */
.article-head{
  padding:clamp(56px, 10vw, 110px) 0 clamp(32px, 5vw, 56px);
  border-bottom:1px solid var(--rule);
}
.article-back{
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  margin:0 0 28px;
  letter-spacing:0.02em;
}
.article-back a{color:var(--ink-2); border-bottom:1px solid transparent; transition:border-color .15s ease}
.article-back a:hover{border-bottom-color:var(--ink-2)}
.article-cat{
  font-family:var(--mono);
  font-size:11px;
  color:var(--blue);
  letter-spacing:0.08em;
  text-transform:uppercase;
  margin:0 0 20px;
}
.article-title{
  font-weight:300;
  font-size:clamp(32px, 5vw, 56px);
  line-height:1.1;
  letter-spacing:-0.028em;
  margin:0 0 28px;
  max-width:24ch;
}
.article-meta{
  display:flex; flex-wrap:wrap; gap:8px 24px;
  font-family:var(--mono);
  font-size:12px;
  color:var(--muted);
  letter-spacing:0.02em;
}
.article-meta span{display:inline-flex; align-items:center; gap:6px}

.article-body{
  padding:clamp(40px, 6vw, 72px) 0 clamp(24px, 4vw, 48px);
  font-size:17px;
  line-height:1.7;
  color:var(--ink-2);
}
.article-body h2{
  font-weight:400;
  font-size:clamp(22px, 2.4vw, 28px);
  letter-spacing:-0.018em;
  line-height:1.25;
  margin:48px 0 16px;
  color:var(--ink);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-weight:500;
  font-size:18px;
  margin:32px 0 8px;
  color:var(--ink);
}
.article-body p{margin:0 0 18px}
.article-body strong{color:var(--ink); font-weight:500}
.article-body em{color:var(--ink); font-style:italic}
.article-body ul, .article-body ol{
  margin:0 0 22px;
  padding-left:22px;
}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;
  padding:8px 0 8px 22px;
  border-left:2px solid var(--ink);
  color:var(--ink);
  font-size:18px;
  line-height:1.5;
  font-style:italic;
}
.article-body a{
  color:var(--ink);
  border-bottom:1px solid var(--blue);
  transition:color .15s ease, border-color .15s ease;
}
.article-body a:hover{color:var(--blue); border-bottom-color:var(--blue)}
.article-body hr{
  border:0;
  border-top:1px solid var(--rule);
  margin:36px 0;
}

/* FAQ block */
.faq{
  margin:36px 0 0;
  border-top:1px solid var(--rule);
  padding-top:36px;
}
.faq h2{margin-top:0}
.faq details{
  padding:18px 0;
  border-bottom:1px solid var(--rule-soft);
}
.faq summary{
  cursor:pointer;
  font-weight:500;
  color:var(--ink);
  font-size:17px;
  list-style:none;
  display:flex; justify-content:space-between; align-items:center;
  gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+"; font-family:var(--mono); font-size:18px; color:var(--muted);
  transition:transform .2s ease;
}
.faq details[open] summary::after{ transform:rotate(45deg) }
.faq details p{
  margin:14px 0 0;
  font-size:16px;
  line-height:1.65;
  color:var(--ink-2);
}

/* CTA box at end of article */
.article-cta{
  margin:48px 0 0;
  padding:28px;
  background:var(--bg-elev);
  border:1px solid var(--rule);
  border-radius:8px;
}
.article-cta h3{
  font-family:var(--sans);
  font-weight:400;
  font-size:22px;
  letter-spacing:-0.015em;
  margin:0 0 8px;
  color:var(--ink);
}
.article-cta p{margin:0 0 16px; color:var(--ink-2)}
.article-cta .btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono);
  font-size:13px;
  color:var(--bg);
  background:var(--ink);
  padding:10px 18px;
  border-radius:6px;
  transition:background .15s ease;
}
.article-cta .btn:hover{background:var(--blue)}

/* related posts */
.related{
  border-top:1px solid var(--rule);
  padding:48px 0 64px;
}
.related h2{
  font-weight:400;
  font-size:clamp(20px, 2vw, 24px);
  letter-spacing:-0.015em;
  margin:0 0 24px;
}
.related-list{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:18px;
  list-style:none; margin:0; padding:0;
}
.related-list a{
  display:block;
  padding:18px 20px;
  border:1px solid var(--rule);
  border-radius:8px;
  transition:background .15s ease, border-color .15s ease;
}
.related-list a:hover{ background:var(--bg-elev); border-color:var(--ink-2); }
.related-list .cat{
  font-family:var(--mono);
  font-size:11px;
  color:var(--muted);
  letter-spacing:0.04em;
  text-transform:uppercase;
  display:block;
  margin-bottom:6px;
}
.related-list .ttl{
  font-size:16px;
  color:var(--ink);
  font-weight:400;
  letter-spacing:-0.012em;
  line-height:1.35;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 880px){
  .nav-links{display:none}
  .burger{display:block}
  .lang-switch{display:none}
  .role, .edu-item{ grid-template-columns:1fr; gap:14px; }
  .blog-item a{
    grid-template-columns:1fr;
    gap:6px;
    padding:20px 0;
  }
  .blog-item a:hover{padding-inline:0}
  .blog-meta-right{justify-content:flex-start; gap:12px}
  .contact-meta{ grid-template-columns:1fr; gap:24px; }
  .header-strip-inner{font-size:12px}
  .related-list{grid-template-columns:1fr}
}

@media (max-width: 520px){
  .sec-label{margin-bottom:24px}
  .article-title{font-size:34px}
}

@media (prefers-reduced-motion: reduce){
  .marquee-track{animation:none !important}
  .urgency::before{animation:none}
  html{scroll-behavior:auto}
}

@media print{
  .nav, .mobile-menu, .marquee, .urgency{display:none}
  body{background:#fff; color:#000}
}