/* ===========================================================
   Claude Bari — design system
   Linguaggio visivo Claude (argilla + crema, serif editoriale)
   con anima barese. Niente hype, solo codice che gira.
   =========================================================== */

:root{
  /* paper / surfaces */
  --ivory:        #F0EDE4;   /* sfondo principale, carta calda */
  --paper:        #F7F5EE;   /* card chiare */
  --paper-deep:   #E7E2D4;   /* sezioni alternate */
  --night:        #1B1915;   /* sezioni scure */
  --night-2:      #262219;

  /* ink */
  --ink:          #1A1813;
  --ink-2:        #54503F;   /* testo secondario */
  --ink-3:        #847E6B;   /* didascalie / meta */
  --on-night:     #EDE9DD;
  --on-night-2:   #A59E89;

  /* accent — argilla Claude */
  --clay:         #C15F3C;
  --clay-deep:    #A0492A;
  --clay-bright:  #D97757;
  --clay-tint:    #EBD9CE;
  --sea:          #3E6B76;   /* adriatico, usato con parsimonia */

  /* hairlines */
  --line:         rgba(26,24,19,.16);
  --line-soft:    rgba(26,24,19,.09);
  --line-night:   rgba(237,233,221,.16);

  /* type */
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans:  "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:  "Spline Sans Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* rhythm */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--ivory);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{ background:var(--clay); color:#fff; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }

/* ---------- typography helpers ---------- */
.serif{ font-family:var(--serif); }
.mono{ font-family:var(--mono); }
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--clay-deep);
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:.6em;
}
.eyebrow .spark{ color:var(--clay); font-size:1.05em; }

h1,h2,h3,h4{ font-family:var(--serif); font-weight:500; line-height:1.04; letter-spacing:-.015em; margin:0; }
p{ margin:0; text-wrap:pretty; }

.display{
  font-family:var(--serif);
  font-weight:480;
  font-size:clamp(44px, 8.2vw, 116px);
  line-height:.96;
  letter-spacing:-.025em;
}
.display em{ font-style:italic; color:var(--clay); font-weight:500; }

/* ---------- layout ---------- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding-inline:var(--gutter); }
section{ position:relative; }
.section-pad{ padding-block:clamp(72px, 11vw, 150px); }

.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:32px; flex-wrap:wrap; margin-bottom:clamp(36px,6vw,68px); }
.section-head h2{ font-size:clamp(32px,5vw,60px); max-width:14ch; }
.section-head .lead{ max-width:38ch; color:var(--ink-2); font-size:18px; }

.rule{ height:1px; background:var(--line); border:0; margin:0; }

/* ===========================================================
   Lamppost mark (logo) — il lampione del lungomare
   =========================================================== */
.mark{ display:inline-flex; align-items:center; gap:11px; flex:none; }
.mark svg{ width:22px; height:30px; flex:none; }
.mark .lamp-glow{ fill:var(--clay); }
.mark .lamp-body{ stroke:currentColor; }
.brand-name{ font-family:var(--serif); font-size:21px; letter-spacing:-.01em; font-weight:500; white-space:nowrap; }
.brand-name b{ font-weight:600; }

/* ===========================================================
   Top ticker
   =========================================================== */
.ticker{
  background:var(--night);
  color:var(--on-night);
  border-bottom:1px solid var(--line-night);
  overflow:hidden;
  white-space:nowrap;
}
.ticker-track{
  display:inline-flex;
  gap:0;
  padding-block:9px;
  animation:ticker 34s linear infinite;
  will-change:transform;
}
.ticker:hover .ticker-track{ animation-play-state:paused; }
.ticker span{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  padding-inline:26px;
  color:var(--on-night-2);
}
.ticker span b{ color:var(--clay-bright); font-weight:500; }
@keyframes ticker{ from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ===========================================================
   Nav
   =========================================================== */
.nav{
  position:sticky; top:0; z-index:60;
  background:color-mix(in srgb, var(--ivory) 86%, transparent);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; height:68px; }
.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links a{
  font-size:15px; color:var(--ink-2); font-weight:500;
  position:relative; padding-block:4px; transition:color .2s;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:1.5px;
  background:var(--clay); transition:width .25s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after{ width:100%; }
.nav-cta{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--ink); color:var(--ivory);
  padding:10px 18px; border-radius:var(--radius);
  font-size:14.5px; font-weight:600; border:1px solid var(--ink);
  transition:transform .15s ease, background .2s;
}
.nav-cta:hover{ background:var(--clay-deep); border-color:var(--clay-deep); transform:translateY(-1px); }
.nav-burger{ display:none; background:none; border:0; padding:6px; color:var(--ink); }
.nav-burger svg{ width:26px; height:26px; }

/* ===========================================================
   Hero
   =========================================================== */
.hero{ padding-top:clamp(48px,7vw,92px); padding-bottom:clamp(40px,6vw,72px); }
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(28px,5vw,64px);
  align-items:center;
}
.hero-copy .eyebrow{ margin-bottom:26px; }
.hero h1{ margin-bottom:28px; }
.hero-sub{
  font-size:clamp(18px,2vw,21px);
  color:var(--ink-2);
  max-width:46ch;
  margin-bottom:34px;
  line-height:1.55;
}
.hero-sub b{ color:var(--ink); font-weight:600; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; }

/* audience chips */
.audience{ display:flex; flex-wrap:wrap; gap:8px; margin-top:24px; }
.audience span{
  font-family:var(--mono); font-size:12px; letter-spacing:.04em; text-transform:uppercase;
  color:var(--ink-2); border:1px solid var(--line); border-radius:100px; padding:6px 13px;
  transition:border-color .2s, color .2s, background .2s;
}
.audience span:hover{ border-color:var(--clay); color:var(--clay-deep); background:var(--clay-tint); }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  padding:13px 22px; border-radius:var(--radius);
  font-size:15.5px; font-weight:600; border:1px solid transparent;
  transition:transform .15s ease, background .2s, color .2s, border-color .2s;
}
.btn-primary{ background:var(--clay); color:#fff; border-color:var(--clay); }
.btn-primary:hover{ background:var(--clay-deep); border-color:var(--clay-deep); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn .arrow{ transition:transform .2s; }
.btn:hover .arrow{ transform:translate(3px,-3px); }

/* hero photo */
.hero-figure{ position:relative; }
.hero-photo{
  position:relative; aspect-ratio:4/5; border-radius:var(--radius);
  overflow:hidden; background:var(--paper-deep);
  box-shadow:0 30px 70px -36px rgba(26,24,19,.5);
}
.hero-photo img{ width:100%; height:100%; object-fit:cover;
  filter:saturate(1.02) contrast(1.02); transition:transform 1.2s ease; }
.hero-figure:hover .hero-photo img{ transform:scale(1.04); }
.hero-photo::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(27,25,21,.34));
}
.hero-cap{
  position:absolute; left:16px; bottom:14px; z-index:2;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.08em;
  color:rgba(255,255,255,.9); text-transform:uppercase;
  display:flex; align-items:center; gap:7px;
}
.hero-cap .dot{ width:6px; height:6px; border-radius:50%; background:var(--clay-bright); }
/* floating chip */
.hero-chip{
  position:absolute; top:18px; right:-14px; z-index:3;
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--radius); padding:11px 14px;
  box-shadow:0 16px 36px -22px rgba(26,24,19,.6);
  display:flex; align-items:center; gap:10px;
  font-size:13px; max-width:200px;
}
.hero-chip .mono{ font-size:11px; color:var(--clay-deep); letter-spacing:.06em; }

/* founders strip */
.founders{ display:flex; align-items:center; gap:18px; margin-top:42px; flex-wrap:wrap; color:var(--ink-3); font-size:14px; }
.avatars{ display:flex; }
.avatars span{
  width:34px; height:34px; border-radius:50%; margin-left:-10px;
  border:2px solid var(--ivory); background:var(--clay-tint);
  display:grid; place-items:center; font-family:var(--mono); font-size:12px;
  color:var(--clay-deep); font-weight:500;
}
.avatars span:first-child{ margin-left:0; }

/* ===========================================================
   Manifesto (dark)
   =========================================================== */
.manifesto{ background:var(--night); color:var(--on-night); }
.manifesto .eyebrow{ color:var(--clay-bright); }
.manifesto-head{ max-width:24ch; }
.manifesto-head h2{ font-size:clamp(30px,4.6vw,56px); color:var(--on-night); margin-bottom:18px; }
.manifesto-head p{ color:var(--on-night-2); font-size:18px; max-width:52ch; }
.principles{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; margin-top:clamp(40px,6vw,68px); border-top:1px solid var(--line-night); }
.principle{ padding:32px 26px 36px; border-bottom:1px solid var(--line-night); }
.principle:not(:nth-child(3n)){ border-right:1px solid var(--line-night); }
.principle .num{ font-family:var(--mono); font-size:12.5px; color:var(--clay-bright); letter-spacing:.12em; }
.principle h3{ font-size:23px; color:var(--on-night); margin:16px 0 10px; }
.principle p{ color:var(--on-night-2); font-size:15.5px; line-height:1.6; }

/* ===========================================================
   Repository
   =========================================================== */
.repo{ background:var(--paper-deep); }
.repo-toolbar{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; margin-bottom:30px; }
.tabs{ display:flex; gap:8px; flex-wrap:wrap; }
.tab{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.04em; text-transform:uppercase;
  padding:8px 15px; border-radius:100px; border:1px solid var(--line);
  background:transparent; color:var(--ink-2); transition:all .18s;
}
.tab:hover{ border-color:var(--ink); color:var(--ink); }
.tab[aria-selected="true"]{ background:var(--ink); color:var(--ivory); border-color:var(--ink); }
.repo-count{ font-family:var(--mono); font-size:12.5px; color:var(--ink-3); letter-spacing:.04em; }

.repo-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.card{
  background:var(--paper); border:1px solid var(--line-soft); border-radius:var(--radius);
  padding:24px 22px 20px; display:flex; flex-direction:column; min-height:212px;
  transition:transform .2s ease, box-shadow .25s ease, border-color .2s;
  position:relative; overflow:hidden;
}
.card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:var(--clay); transform:scaleY(0); transform-origin:top; transition:transform .25s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:0 24px 44px -30px rgba(26,24,19,.45); border-color:var(--line); }
.card:hover::before{ transform:scaleY(1); }
.card-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; }
.chip{
  font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase;
  padding:4px 10px; border-radius:100px; font-weight:500;
}
.chip.progetti{ background:var(--clay-tint); color:var(--clay-deep); }
.chip.prompt{ background:#dce6e3; color:#2f5a52; }
.chip.risorse{ background:#e6e0cf; color:#6b5e34; }
.chip.idee{ background:#e4dde7; color:#6a4d72; }
.card-lang{ font-family:var(--mono); font-size:11.5px; color:var(--ink-3); }
.card h3{ font-size:20px; line-height:1.18; margin-bottom:8px; letter-spacing:-.01em; }
.card p{ font-size:14.5px; color:var(--ink-2); line-height:1.5; }
.card-foot{ margin-top:auto; padding-top:18px; display:flex; align-items:center; justify-content:space-between; }
.card-author{ display:flex; align-items:center; gap:9px; font-size:13.5px; color:var(--ink-2); }
.card-author .ava{
  width:24px; height:24px; border-radius:50%; background:var(--clay-tint);
  display:grid; place-items:center; font-family:var(--mono); font-size:10.5px; color:var(--clay-deep); font-weight:600;
}
.card-open{ font-family:var(--mono); font-size:12px; color:var(--ink-3); display:inline-flex; gap:5px; align-items:center; transition:color .2s, gap .2s; }
.card:hover .card-open{ color:var(--clay-deep); gap:8px; }
.card.empty{ display:none; }
.card-live{ font-family:var(--mono); font-size:11.5px; color:var(--clay-deep); letter-spacing:.04em; display:inline-flex; align-items:center; gap:5px; }
.card-live::first-letter{ color:var(--clay); }
.card.is-featured{ background:linear-gradient(180deg, #fbf3ee, var(--paper)); border-color:var(--clay-tint); }
.card.is-featured::before{ transform:scaleY(1); background:var(--clay); }
a.card{ color:inherit; }

.repo-cta{ margin-top:34px; display:flex; }

/* ===========================================================
   Contribute form
   =========================================================== */
.contribute{ background:var(--ivory); }
.contribute-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(32px,6vw,72px); align-items:start; }
.contribute-aside h2{ font-size:clamp(30px,4.4vw,52px); margin-bottom:18px; }
.contribute-aside p{ color:var(--ink-2); font-size:18px; max-width:40ch; margin-bottom:26px; }
.steps{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:16px; }
.steps li{ display:flex; gap:14px; align-items:flex-start; font-size:15px; color:var(--ink-2); }
.steps .s-num{ font-family:var(--mono); font-size:12px; color:#fff; background:var(--clay); width:24px; height:24px; border-radius:50%; display:grid; place-items:center; flex:none; margin-top:1px; }

.form-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:clamp(24px,3vw,38px); }
.field{ margin-bottom:20px; }
.field label{ display:block; font-family:var(--mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-2); margin-bottom:8px; }
.field input, .field textarea, .field select{
  width:100%; font-family:var(--sans); font-size:16px; color:var(--ink);
  background:var(--ivory); border:1px solid var(--line); border-radius:var(--radius);
  padding:12px 14px; transition:border-color .2s, box-shadow .2s; resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:none; border-color:var(--clay); box-shadow:0 0 0 3px var(--clay-tint);
}
.field.error input, .field.error textarea{ border-color:#b4442e; box-shadow:0 0 0 3px rgba(180,68,46,.14); }
.field .err-msg{ color:#b4442e; font-size:13px; margin-top:6px; display:none; }
.field.error .err-msg{ display:block; }
.type-pills{ display:flex; gap:8px; flex-wrap:wrap; }
.type-pill{ font-family:var(--mono); font-size:12.5px; text-transform:uppercase; letter-spacing:.04em; padding:8px 14px; border-radius:100px; border:1px solid var(--line); background:transparent; color:var(--ink-2); transition:all .18s; }
.type-pill[aria-pressed="true"]{ background:var(--ink); color:var(--ivory); border-color:var(--ink); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-submit{ width:100%; justify-content:center; margin-top:6px; }
.form-success{
  display:none; text-align:center; padding:40px 20px;
}
.form-success.show{ display:block; }
.form-success .check{ width:54px; height:54px; border-radius:50%; background:var(--clay); display:grid; place-items:center; margin:0 auto 18px; }
.form-success h3{ font-size:26px; margin-bottom:10px; }
.form-success p{ color:var(--ink-2); max-width:34ch; margin:0 auto; }

/* ===========================================================
   Blog
   =========================================================== */
.blog{ background:var(--paper-deep); }
.posts{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:18px; }
.post{
  background:var(--paper); border:1px solid var(--line-soft); border-radius:var(--radius);
  overflow:hidden; display:flex; flex-direction:column; transition:transform .2s, box-shadow .25s;
}
.post:hover{ transform:translateY(-4px); box-shadow:0 24px 44px -30px rgba(26,24,19,.45); }
.post.feature{ grid-row:span 1; }
.post-img{ aspect-ratio:16/10; overflow:hidden; background:var(--paper-deep); }
.post.feature .post-img{ aspect-ratio:16/9; }
.post-img img{ width:100%; height:100%; object-fit:cover; transition:transform 1s ease; }
.post:hover .post-img img{ transform:scale(1.05); }
.post-body{ padding:22px 22px 24px; display:flex; flex-direction:column; gap:10px; flex:1; }
.post-meta{ font-family:var(--mono); font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--clay-deep); display:flex; gap:12px; }
.post-meta .dim{ color:var(--ink-3); }
.post h3{ font-size:22px; line-height:1.16; letter-spacing:-.01em; }
.post.feature h3{ font-size:30px; }
.post p{ font-size:14.5px; color:var(--ink-2); line-height:1.5; }
.post .read{ margin-top:auto; padding-top:10px; font-family:var(--mono); font-size:12px; color:var(--ink-3); display:inline-flex; gap:6px; transition:gap .2s,color .2s; }
.post:hover .read{ color:var(--clay-deep); gap:9px; }

/* ===========================================================
   Eventi (dark, sober)
   =========================================================== */
.eventi{ background:var(--night); color:var(--on-night); }
.eventi .eyebrow{ color:var(--clay-bright); }
.event-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,6vw,72px); align-items:center; }
.event-card{ border:1px solid var(--line-night); border-radius:var(--radius); padding:34px; background:var(--night-2); }
.event-tag{ font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--clay-bright); margin-bottom:18px; display:inline-flex; align-items:center; gap:8px; }
.event-card h3{ color:var(--on-night); font-size:30px; margin-bottom:14px; }
.event-card .where{ color:var(--on-night-2); font-size:15.5px; display:flex; gap:18px; flex-wrap:wrap; margin-bottom:24px; }
.event-card .where b{ color:var(--on-night); font-weight:500; }
.notify{ display:flex; gap:10px; }
.notify input{ flex:1; background:var(--night); border:1px solid var(--line-night); color:var(--on-night); border-radius:var(--radius); padding:12px 14px; font-family:var(--sans); font-size:15px; }
.notify input:focus{ outline:none; border-color:var(--clay-bright); }
.notify button{ background:var(--clay); color:#fff; border:0; border-radius:var(--radius); padding:0 20px; font-weight:600; font-size:14.5px; transition:background .2s; }
.notify button:hover{ background:var(--clay-bright); }
.eventi-copy h2{ color:var(--on-night); font-size:clamp(30px,4.4vw,54px); margin-bottom:20px; }
.eventi-copy p{ color:var(--on-night-2); font-size:18px; max-width:42ch; margin-bottom:14px; }

/* ===========================================================
   Footer
   =========================================================== */
.footer{ background:var(--ivory); border-top:1px solid var(--line); }
.footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; padding-block:clamp(48px,7vw,80px); }
.footer .mark{ margin-bottom:18px; }
.footer-blurb{ color:var(--ink-2); font-size:15px; max-width:30ch; }
.footer-col h4{ font-family:var(--mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3); margin-bottom:16px; font-weight:500; }
.footer-col a{ display:block; font-size:15px; color:var(--ink-2); padding-block:6px; transition:color .2s; }
.footer-col a:hover{ color:var(--clay-deep); }
.footer-bottom{ display:flex; align-items:center; justify-content:space-between; gap:18px; flex-wrap:wrap; padding-block:24px; border-top:1px solid var(--line-soft); font-size:13px; color:var(--ink-3); }
.footer-bottom .mono{ font-size:12px; letter-spacing:.04em; }

/* ===========================================================
   Reveal animation
   =========================================================== */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.07s; } .reveal.d2{ transition-delay:.14s; }
.reveal.d3{ transition-delay:.21s; } .reveal.d4{ transition-delay:.28s; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .ticker-track{ animation:none; }
  *{ scroll-behavior:auto; }
}

/* ===========================================================
   Mobile nav drawer
   =========================================================== */
.drawer{ position:fixed; inset:0; z-index:80; display:none; }
.drawer.open{ display:block; }
.drawer-scrim{ position:absolute; inset:0; background:rgba(27,25,21,.4); backdrop-filter:blur(2px); }
.drawer-panel{ position:absolute; top:0; right:0; width:min(82vw,340px); height:100%; background:var(--ivory); border-left:1px solid var(--line); padding:24px; display:flex; flex-direction:column; gap:4px; transform:translateX(100%); transition:transform .3s ease; }
.drawer.open .drawer-panel{ transform:none; }
.drawer-panel a{ font-family:var(--serif); font-size:24px; padding:12px 0; border-bottom:1px solid var(--line-soft); color:var(--ink); }
.drawer-close{ align-self:flex-end; background:none; border:0; color:var(--ink); padding:6px; margin-bottom:10px; }
.drawer-close svg{ width:26px; height:26px; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width:1000px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-figure{ max-width:440px; margin-top:8px; }
  .principles{ grid-template-columns:1fr 1fr; }
  .principle:nth-child(3n){ border-right:1px solid var(--line-night); }
  .principle:nth-child(2n){ border-right:0; }
  .repo-grid{ grid-template-columns:1fr 1fr; }
  .contribute-grid{ grid-template-columns:1fr; }
  .posts{ grid-template-columns:1fr 1fr; }
  .post.feature{ grid-column:span 2; }
  .event-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:640px){
  body{ font-size:16px; }
  .nav-links{ display:none; }
  .nav-burger{ display:inline-flex; }
  .principles{ grid-template-columns:1fr; }
  .principle{ border-right:0 !important; }
  .repo-grid{ grid-template-columns:1fr; }
  .posts{ grid-template-columns:1fr; }
  .post.feature{ grid-column:span 1; }
  .form-row{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; gap:28px; }
  .hero-chip{ right:0; }
  .notify{ flex-direction:column; }
  .notify button{ padding:13px; }
}