:root{
  --ink:#1C1F24;
  --slate:#969CA4;
  --violet:#4A56E2;
  --violet-soft:#EEF0FE;
  --line:#ECEDF1;
  --maxw:720px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}

/* ===== Header ===== */
header.site{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.bar{
  max-width:1040px;margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand-wrap{display:flex;flex-direction:column;gap:2px;}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:18px;line-height:1.1;}
.brand-name{font-weight:600;font-size:18px;}
.brand-by{color:var(--slate);font-size:11px;font-weight:500;letter-spacing:.02em;padding-left:38px;}
.brand-by a{color:var(--violet);}
.brand-by a:hover{text-decoration:underline;}
.mark{position:relative;width:26px;height:26px;flex:none;}
.mark i{position:absolute;width:11px;height:11px;border-radius:3px;}
.mark i:nth-child(1){left:0;top:0;background:var(--violet);}
.mark i:nth-child(2){right:0;top:0;background:#8E96F0;}
.mark i:nth-child(3){left:7px;bottom:0;background:#C2C7F8;}
nav{display:flex;align-items:center;gap:28px;}
nav .lnk{color:var(--slate);font-size:15px;font-weight:500;}
nav .lnk.active,nav .lnk:hover{color:var(--ink);}
.btn{
  background:var(--violet);color:#fff;font-weight:500;font-size:15px;
  padding:10px 18px;border-radius:999px;border:none;cursor:pointer;
  display:inline-block;
}
.btn:hover{filter:brightness(1.06);}
.btn.ghost{background:#fff;color:var(--violet);border:1px solid var(--violet);}
@media(max-width:640px){ nav .lnk{display:none;} }

/* ===== Home hero ===== */
.hero{max-width:1040px;margin:0 auto;padding:80px 24px 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{color:var(--violet);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin:0 0 18px;}
.hero h1{font-size:52px;line-height:1.1;font-weight:700;letter-spacing:-0.02em;margin:0 0 20px;}
.hero p{font-size:19px;color:#54585f;margin:0 0 30px;}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;}
.portrait{aspect-ratio:1/1;border-radius:24px;background:var(--violet-soft);display:flex;align-items:center;justify-content:center;color:var(--violet);font-weight:500;overflow:hidden;}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:100% center;transform:scale(1.5) translate(-5%, 4%);}
@media(max-width:780px){ .hero{grid-template-columns:1fr;} .portrait{max-width:360px;} .hero h1{font-size:40px;} }

/* ===== Home sections ===== */
section{max-width:1040px;margin:0 auto;padding:24px;}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:32px 0 20px;}
.sec-head h2{font-size:26px;font-weight:600;margin:0;}
.sec-head a{color:var(--violet);font-weight:500;font-size:15px;}

.feature{background:var(--violet-soft);border-radius:20px;padding:32px;display:flex;gap:28px;align-items:center;}
.feature .ph{width:160px;height:160px;border-radius:16px;background:#dfe3fb;flex:none;display:flex;align-items:center;justify-content:center;color:var(--violet);font-size:14px;font-weight:500;overflow:hidden;}
.feature .ph img{width:100%;height:100%;object-fit:cover;object-position:center 25%;}
.feature .tag{display:inline-block;background:var(--violet);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;margin:0 0 12px;}
.feature h3{font-size:24px;font-weight:600;margin:0 0 8px;line-height:1.25;}
.feature p{margin:0 0 16px;color:#54585f;}
@media(max-width:680px){ .feature{flex-direction:column;align-items:flex-start;} }

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.card{border:1px solid var(--line);border-radius:16px;padding:24px;}
.card .k{color:var(--violet);font-weight:600;font-size:13px;letter-spacing:.03em;text-transform:uppercase;margin:0 0 10px;}
.card h4{font-size:18px;font-weight:600;margin:0 0 8px;line-height:1.3;}
.card p{margin:0;color:var(--slate);font-size:15px;}
@media(max-width:780px){ .grid3{grid-template-columns:1fr;} }

/* ===== Buttondown attribution under signup forms ===== */
.bd-credit{font-size:11px;margin:12px 0 0;letter-spacing:.02em;}
.bd-credit a{text-decoration:none;}
.bd-credit a:hover{text-decoration:underline;}
.band .bd-credit, .band .bd-credit a{color:rgba(255,255,255,.7);}
.signup .bd-credit, .signup .bd-credit a{color:var(--slate);}

/* ===== Signup band ===== */
.band{background:var(--violet);color:#fff;border-radius:24px;padding:48px;text-align:center;margin:48px auto;max-width:992px;}
.band h3{font-size:28px;font-weight:600;margin:0 0 10px;}
.band p{margin:0 0 24px;opacity:.85;font-size:16px;}
.form{display:flex;gap:10px;max-width:440px;margin:0 auto;}
.form input{flex:1;padding:13px 16px;border-radius:999px;border:none;font-family:inherit;font-size:15px;}
.band .btn{background:#fff;color:var(--violet);}
@media(max-width:520px){ .form{flex-direction:column;} .form .btn{width:100%;} }

/* ===== Tutorials grid ===== */
.head{max-width:1040px;margin:0 auto;padding:64px 24px 8px;}
.head h1{font-size:44px;font-weight:700;letter-spacing:-0.01em;margin:0 0 14px;}
.head p{font-size:18px;color:#54585f;max-width:620px;margin:0;}

.grid{max-width:1040px;margin:0 auto;padding:32px 24px 8px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.post{border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;}
.post .thumb{height:150px;background:var(--violet-soft);display:flex;align-items:center;justify-content:center;color:var(--violet);font-size:14px;font-weight:500;overflow:hidden;}
.post .thumb img{width:100%;height:100%;object-fit:cover;object-position:center 25%;}
.post .thumb iframe{width:100%;height:100%;border:0;}
.post .body{padding:24px;flex:1;display:flex;flex-direction:column;}
.row{display:flex;align-items:center;gap:10px;margin:0 0 12px;}
.k{color:var(--violet);font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase;}
.pill{font-size:11px;font-weight:600;padding:3px 10px;border-radius:999px;}
.pill.live{background:var(--violet);color:#fff;}
.pill.soon{background:#f0f1f4;color:var(--slate);}
.post h3{font-size:20px;font-weight:600;margin:0 0 8px;line-height:1.3;}
.post p{margin:0 0 16px;color:var(--slate);font-size:15px;flex:1;}
.post .meta{color:var(--slate);font-size:13px;font-weight:500;}
.post a.read{color:var(--violet);font-weight:600;font-size:15px;}

/* Stub / "maybe" cards on the tutorials grid */
.post.stub{background:#fafbfc;border-color:#eceef2;}
.post.stub .thumb{background:#f0f1f4;color:var(--slate);}
.post.stub .k{color:var(--slate);}
.post.stub h3{color:var(--slate);}

/* Greyed-out "idea" cards on the homepage */
.card.idea{background:#fafbfc;border-color:#eceef2;}
.card.idea .k{color:var(--slate);}
.card.idea h4{color:var(--slate);}

@media(max-width:740px){ .grid{grid-template-columns:1fr;} .head h1{font-size:34px;} }

/* ===== Article ===== */
main.article{max-width:var(--maxw);margin:0 auto;padding:64px 24px 24px;}
main.article h1{font-size:44px;line-height:1.15;font-weight:700;margin:0 0 22px;letter-spacing:-0.01em;}
.meta{display:flex;align-items:center;gap:14px;color:var(--slate);font-size:15px;font-weight:500;margin:0 0 36px;flex-wrap:wrap;}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--violet-soft);color:var(--violet);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;}
.rule{height:1px;background:var(--line);border:0;margin:0 0 40px;}
.post-cover{display:block;width:100%;height:auto;border-radius:16px;margin:0 0 36px;}
article p{font-size:18px;margin:0 0 24px;}
article p:first-of-type::first-letter{
  font-size:64px;font-weight:700;line-height:.8;float:left;margin:6px 12px 0 0;color:var(--violet);
}
article h2{font-size:26px;font-weight:600;margin:36px 0 12px;}
article h3{font-size:21px;font-weight:600;margin:30px 0 10px;}
article ul, article ol{font-size:18px;margin:0 0 24px;padding-left:24px;}
article li{margin:0 0 8px;}
article a{color:var(--violet);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
article blockquote{
  border-left:3px solid var(--violet);padding:4px 0 4px 22px;margin:36px 0;
  font-size:22px;font-weight:500;color:var(--ink);line-height:1.5;
}
article blockquote p{font-size:22px;margin:0;}
article blockquote p::first-letter{font-size:inherit;float:none;color:inherit;margin:0;font-weight:inherit;}
article code{background:var(--violet-soft);color:var(--violet);padding:2px 6px;border-radius:6px;font-size:.92em;}
article pre{background:var(--ink);color:#f7f7fa;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.6;margin:0 0 24px;}
article pre code{background:none;color:inherit;padding:0;}
article img{max-width:100%;border-radius:12px;margin:8px 0 24px;}

/* ===== Video embed ===== */
.video{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:var(--ink);margin:8px 0 32px;}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}

/* ===== Inline signup ===== */
.signup{
  background:var(--violet-soft);border-radius:18px;padding:36px;margin:48px 0 8px;text-align:center;
}
.signup h3{font-size:24px;font-weight:600;margin:0 0 8px;}
.signup p{color:var(--slate);font-size:16px;margin:0 0 22px;}
.signup .form input{border:1px solid #d8dbe6;}
.signup .form input:focus{outline:none;border-color:var(--violet);}

/* ===== About hero ===== */
.ahero{max-width:1040px;margin:0 auto;padding:72px 24px 24px;display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center;}
.ahero h1{font-size:46px;font-weight:700;letter-spacing:-0.01em;line-height:1.12;margin:0 0 16px;}
.ahero p{font-size:18px;color:#54585f;margin:0;}
@media(max-width:780px){ .ahero{grid-template-columns:1fr;} .portrait{max-width:320px;} .ahero h1{font-size:36px;} }

.body-copy{max-width:720px;margin:0 auto;padding:24px;}
.body-copy h2{font-size:24px;font-weight:600;margin:36px 0 12px;}
.body-copy p{font-size:18px;margin:0 0 22px;}
.pull{border-left:3px solid var(--violet);padding:4px 0 4px 22px;margin:32px 0;font-size:22px;font-weight:500;line-height:1.5;}

/* ===== Footer ===== */
footer.site{border-top:1px solid var(--line);margin-top:40px;}
.foot{max-width:1040px;margin:0 auto;padding:28px 24px;display:flex;justify-content:space-between;align-items:center;color:var(--slate);font-size:14px;flex-wrap:wrap;gap:12px;}
.foot a{color:var(--slate);}
.foot a:hover{color:var(--ink);}