/* ── Landing home page ─────────────────────────────────────────────── */
.layout-wide .main{margin-left:0;padding:0;overflow-x:hidden;}
.landing{
  --lp-accent-text:var(--teal-dk);
  --lp-pale:var(--teal-lt);
  --lp-line:rgba(14,196,166,.28);
  background:var(--white);
}
:root[data-theme="dark"] .landing{
  --lp-pale:#14332c;
  --lp-line:rgba(66,217,189,.28);
}
.landing-container{max-width:1080px;margin:0 auto;padding:0 40px;position:relative;}

.landing-hero{background:linear-gradient(155deg,var(--lp-pale) 0%,var(--white) 58%);padding:68px 0 60px;position:relative;}
.landing-hero::before{
  content:'';position:absolute;right:-180px;top:-140px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,196,166,.12) 0%,transparent 70%);pointer-events:none;
}
.landing-badge{
  display:inline-flex;align-items:center;background:var(--lp-pale);
  border:1.5px solid var(--lp-line);color:var(--lp-accent-text);
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:100px;margin-bottom:20px;
}
.landing-hero h1{
  font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:48px;line-height:1.06;
  letter-spacing:-.8px;color:var(--text);margin-bottom:18px;max-width:720px;
}
.landing-hero h1 em{font-style:italic;color:var(--lp-accent-text);}
.landing-sub{font-size:16.5px;color:var(--gray);line-height:1.65;max-width:620px;}
.landing-notice{
  background:var(--lp-pale);border:1.5px solid var(--lp-line);border-left:4px solid #0a7a67;
  color:var(--text);font-size:13.5px;line-height:1.65;padding:13px 17px;border-radius:8px;
  margin:24px 0;max-width:620px;
}
.landing-notice a{color:var(--lp-accent-text);font-weight:600;}
.landing-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}
.landing-btn{
  display:inline-block;font-size:14px;font-weight:600;padding:11px 24px;border-radius:8px;
  text-decoration:none;transition:background .18s,border-color .18s,transform .15s;white-space:nowrap;
}
.landing-btn-primary{background:#0a7a67;border:2px solid #0a7a67;color:#fff;}
.landing-btn-primary:hover{background:#08695a;border-color:#08695a;transform:translateY(-2px);}
.landing-btn-outline{background:transparent;border:2px solid var(--lp-accent-text);color:var(--lp-accent-text);}
.landing-btn-outline:hover{background:var(--lp-pale);}
.landing-meta{font-size:12.5px;color:var(--gray);margin-top:22px;}

.landing-section{padding:64px 0;}
.landing-section.landing-alt{background:var(--lp-pale);}
.landing-label{
  font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--lp-accent-text);margin-bottom:10px;
}
.landing-title{
  font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:32px;line-height:1.15;
  letter-spacing:-.3px;color:var(--text);margin-bottom:24px;
}
.landing-section .landing-sub{margin-bottom:28px;}
.landing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.landing-card{
  display:block;background:var(--white);border:1.5px solid var(--border);border-radius:14px;
  padding:24px;text-decoration:none;transition:box-shadow .22s,transform .22s,border-color .22s;
}
.landing-card:hover{box-shadow:0 10px 32px rgba(14,196,166,.14);transform:translateY(-3px);border-color:var(--lp-accent-text);}
.landing-icon{
  width:40px;height:40px;border-radius:10px;background:var(--lp-pale);
  display:flex;align-items:center;justify-content:center;color:var(--lp-accent-text);margin-bottom:14px;
}
.landing-icon-num{font-size:15px;font-weight:700;}
.landing-card h3{font-size:14.5px;font-weight:700;color:var(--text);margin-bottom:7px;}
.landing-card p{font-size:13px;color:var(--gray);line-height:1.6;}
.landing-more{display:inline-block;margin-top:12px;font-size:13px;font-weight:600;color:var(--lp-accent-text);}

.landing-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:landing-step;}
.landing-step{background:var(--white);border:1.5px solid var(--border);border-radius:14px;padding:22px;}
.landing-step::before{
  counter-increment:landing-step;content:counter(landing-step);
  display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;
  background:#0a7a67;color:#fff;font-size:13px;font-weight:700;margin-bottom:12px;
}
.landing-step h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px;}
.landing-step p{font-size:12.5px;color:var(--gray);line-height:1.6;}
.landing-step a{color:var(--lp-accent-text);font-weight:600;text-decoration:none;white-space:nowrap;}
.landing-step a:hover{text-decoration:underline;}
.landing-popular{display:flex;flex-wrap:wrap;gap:8px;}
.landing-section .landing-actions{margin-top:26px;}

@media(max-width:900px){
  .landing-grid{grid-template-columns:1fr 1fr;}
  .landing-steps{grid-template-columns:1fr 1fr;}
}
@media(max-width:720px){
  .landing-container{padding:0 16px;}
  .landing-hero{padding:44px 0 40px;}
  .landing-hero h1{font-size:34px;letter-spacing:-.4px;}
  .landing-title{font-size:26px;}
  .landing-section{padding:44px 0;}
  .landing-grid,.landing-steps{grid-template-columns:1fr;}
}

/* ── Landing nav ───────────────────────────────────────────────────── */
.layout-wide{padding-top:0;}
.site-nav{
  position:sticky;top:0;z-index:200;height:64px;
  display:flex;align-items:center;gap:16px;padding:0 40px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
:root[data-theme="dark"] .site-nav{background:rgba(24,37,33,.94);}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.nav-logo img{width:30px;height:30px;border-radius:8px;object-fit:contain;}
.nav-logo-name{font-size:16.5px;font-weight:700;color:var(--text);letter-spacing:-.3px;white-space:nowrap;}
.nav-logo-accent{color:#0f942b;}
:root[data-theme="dark"] .nav-logo-accent{color:#3ecb63;}
.nav-logo-tag{
  font-size:11px;font-weight:600;color:var(--lp-accent-text);background:var(--lp-pale);
  border:1px solid var(--lp-line);padding:2px 9px;border-radius:100px;
}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;min-width:0;overflow:hidden;}
.nav-links a{
  display:block;padding:7px 12px;font-size:13.5px;font-weight:500;color:var(--gray);
  text-decoration:none;border-radius:6px;white-space:nowrap;
  transition:background .18s,color .18s;
}
.nav-links a:hover{background:var(--lp-pale);color:var(--lp-accent-text);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-btn-ghost{
  font-size:13.5px;font-weight:500;color:var(--gray);padding:8px 12px;border-radius:6px;
  text-decoration:none;white-space:nowrap;transition:background .18s,color .18s;
}
.nav-btn-ghost:hover{background:var(--lp-pale);color:var(--lp-accent-text);}
.nav-btn-primary{
  font-size:13.5px;font-weight:600;background:#0a7a67;color:#fff;padding:9px 17px;
  border-radius:7px;text-decoration:none;white-space:nowrap;transition:background .18s,transform .15s;
}
.nav-btn-primary:hover{background:#08685a;transform:translateY(-1px);}
.site-nav .nav-btn{color:var(--gray);}
.site-nav .nav-btn:hover{background:var(--lp-pale);color:var(--lp-accent-text);}
.site-nav .theme-toggle{color:var(--gray);border-color:var(--border);}

/* ── Hero search ───────────────────────────────────────────────────── */
.landing-search{position:relative;max-width:460px;margin-top:28px;}
.landing-search button{
  position:absolute;left:8px;top:50%;transform:translateY(-50%);
  background:none;border:0;padding:4px;cursor:pointer;color:var(--gray);display:flex;
}
.landing-search .search-ico{position:static;transform:none;}
.landing-search input{
  width:100%;background:var(--white);border:1.5px solid var(--border);border-radius:10px;
  padding:11px 14px 11px 38px;font-size:14px;font-family:inherit;color:var(--text);
  outline:none;transition:border-color .18s,box-shadow .18s;
}
.landing-search input::placeholder{color:#9ab5ae;}
.landing-search input:focus{border-color:var(--lp-accent-text);box-shadow:0 6px 20px rgba(14,196,166,.14);}

/* ── Landing footer ────────────────────────────────────────────────── */
.site-footer{background:#080f10;color:#5a7a7e;padding:44px 40px 28px;}
.footer-inner{max-width:1080px;margin:0 auto;display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.footer-brand{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:15px;font-weight:600;color:#fff;letter-spacing:-.2px;}
.footer-brand img{width:30px;height:30px;border-radius:7px;object-fit:contain;}
.footer-brand-accent{color:#35b558;}
.site-footer address{font-style:normal;font-size:12px;line-height:1.7;color:#7a9090;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:9px;}
.footer-links h5{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#4a6a6e;margin-bottom:5px;}
.footer-links a{font-size:13.5px;color:#5a7a7e;text-decoration:none;transition:color .18s;}
.footer-links a:hover{color:#fff;}
.footer-bottom{max-width:1080px;margin:32px auto 0;padding-top:20px;border-top:1px solid #142224;font-size:12px;color:#4a6a6e;}

@media(max-width:1100px){
  .site-nav{padding:0 24px;gap:12px;}
  .nav-links{display:none;}
}
@media(max-width:720px){
  .site-nav{padding:0 14px;height:58px;gap:10px;}
  .nav-logo-tag,.nav-btn-ghost{display:none;}
  .nav-actions{gap:6px;}
  .landing-search{max-width:none;}
  .site-footer{padding:36px 16px 22px;}
  .footer-inner{gap:24px;}
}

/* ── Tutorial tracks ───────────────────────────────────────────────── */
.landing-actions-hero{margin-top:26px;}
.series + .series{margin-top:56px;}
.series-head .landing-title{margin-bottom:10px;}
.series-head .landing-sub{max-width:720px;margin-bottom:24px;}
.track-list{display:flex;flex-direction:column;gap:16px;}
.track{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:28px;align-items:start;
  background:var(--white);border:1.5px solid var(--border);border-radius:14px;padding:24px 26px;
}
.track-head{display:flex;gap:16px;align-items:flex-start;}
.track-num{
  flex-shrink:0;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:#0a7a67;color:#fff;font-size:14px;font-weight:700;
}
.track-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px;}
.track-title-row h2{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.2px;}
.track-badge{
  font-size:11px;font-weight:700;color:var(--lp-accent-text);background:var(--lp-pale);
  border:1px solid var(--lp-line);padding:2px 9px;border-radius:100px;
}
.track-outcome{font-size:13.5px;color:var(--text);line-height:1.6;margin-bottom:8px;}
.track-audience{font-size:12.5px;color:var(--gray);}
.track-steps{list-style:none;counter-reset:track-step;margin:0;padding:0;}
.track-step{
  display:grid;grid-template-columns:20px minmax(0,1fr) auto;column-gap:8px;align-items:baseline;
  padding:8px 0;border-bottom:1px solid var(--border);font-size:13.5px;line-height:1.45;color:var(--text);
}
.track-step-main{min-width:0;}
.track-step-main .track-plan{margin-left:6px;vertical-align:1px;}
.track-step:last-child{border-bottom:0;}
.track-step::before{
  counter-increment:track-step;content:counter(track-step);
  font-size:12px;font-weight:700;color:var(--lp-accent-text);
}
.track-step a{color:var(--text);font-weight:600;text-decoration:none;}
.track-step a:hover{color:var(--lp-accent-text);text-decoration:underline;}
.track-step-title{color:var(--text);}
.track-plan{
  font-size:10.5px;font-weight:700;color:#8a5700;background:#fff4e0;border:1px solid #f5d9a8;
  padding:1px 7px;border-radius:100px;
}
.track-soon{font-size:11px;font-weight:600;color:var(--gray);white-space:nowrap;}
:root[data-theme="dark"] .track-plan{color:#f2c46d;background:#3a2c10;border-color:#5c4518;}

@media(max-width:900px){
  .track{grid-template-columns:1fr;gap:16px;}
}
@media(max-width:720px){
  .track{padding:20px 18px;}
}

/* ── Tutorial series list ──────────────────────────────────────────── */
.series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.series-grid-single{grid-template-columns:minmax(0,1fr);}
.series-card{
  display:flex;flex-direction:column;gap:10px;background:var(--white);border:1.5px solid var(--border);border-radius:14px;
  padding:24px 26px;text-decoration:none;color:var(--text);transition:box-shadow .22s,transform .22s,border-color .22s;
}
.series-card:hover{box-shadow:0 10px 32px rgba(14,196,166,.14);transform:translateY(-3px);border-color:var(--lp-accent-text);}
.series-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.series-card h3{font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--text);}
.series-card p{font-size:13.5px;color:var(--gray);line-height:1.6;}
.series-card-tracks{list-style:none;counter-reset:series-track;margin:2px 0 0;padding:0;display:grid;gap:4px;}
.series-grid-single .series-card-tracks{display:block;columns:2;column-gap:24px;}
.series-grid-single .series-card-tracks li{margin-bottom:4px;break-inside:avoid;}
.series-card-tracks li{counter-increment:series-track;font-size:13px;color:var(--text);line-height:1.5;}
.series-card-tracks li::before{content:counter(series-track);display:inline-block;width:18px;font-weight:700;color:var(--lp-accent-text);}
.series-card-meta{font-size:12.5px;color:var(--gray);margin-top:auto;padding-top:4px;}
.series-card .landing-more{margin-top:2px;}
.series-card-soon h3{color:var(--gray);}
.series-hero{padding:44px 0 40px;}
.series-hero .landing-label{margin-top:4px;}
.series-foot{margin-top:28px;}
@media(max-width:820px){
  .series-grid{grid-template-columns:minmax(0,1fr);}
  .series-grid-single .series-card-tracks{columns:1;}
}

/* ── Tutorial page ─────────────────────────────────────────────────── */
.tutorial-container{max-width:800px;margin:0 auto;padding:0 40px;}
.tutorial-hero{background:linear-gradient(155deg,var(--lp-pale) 0%,var(--white) 62%);padding:44px 0 36px;border-bottom:1px solid var(--border);}
.tutorial-crumbs{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--gray);margin-bottom:18px;}
.tutorial-crumbs a{color:var(--lp-accent-text);font-weight:600;text-decoration:none;}
.tutorial-crumbs a:hover{text-decoration:underline;}
.tutorial-position{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--lp-accent-text);margin-bottom:10px;}
.tutorial-hero h1{
  font-family:'DM Serif Display',Georgia,serif;font-weight:400;font-size:40px;line-height:1.1;
  letter-spacing:-.5px;color:var(--text);margin-bottom:14px;
}
.tutorial-lead{font-size:16px;color:var(--gray);line-height:1.65;margin-bottom:22px;}
.tutorial-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.tutorial-facts div{background:var(--white);border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font-size:13.5px;color:var(--text);line-height:1.55;}
.tutorial-facts span{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);margin-bottom:4px;}

.tutorial-body{padding-top:12px;padding-bottom:64px;}
.tut-step{padding:30px 0 6px;border-bottom:1px solid var(--border);}
.tut-step h2{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:700;color:var(--text);letter-spacing:-.2px;margin-bottom:14px;}
.tut-step-num{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;
  background:#0a7a67;color:#fff;font-size:14px;font-weight:700;
}
.tut-step p{font-size:15px;line-height:1.7;color:var(--text);margin-bottom:14px;}
.tut-step strong{font-weight:600;}
.tut-actions{margin:0 0 16px;padding:0;list-style:none;counter-reset:tut-action;}
.tut-actions li{
  position:relative;padding:10px 14px 10px 46px;margin-bottom:8px;font-size:15px;line-height:1.6;color:var(--text);
  background:var(--lp-pale);border:1px solid var(--lp-line);border-radius:10px;
}
.tut-actions li::before{
  counter-increment:tut-action;content:counter(tut-action, lower-alpha);
  position:absolute;left:14px;top:10px;width:22px;height:22px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);color:var(--lp-accent-text);font-size:12px;font-weight:700;border:1px solid var(--lp-line);
}
.tut-table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:14px;}
.tut-table th,.tut-table td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--border);line-height:1.6;}
.tut-table th{width:200px;font-weight:600;color:var(--text);}
.tut-table td{color:var(--text);}
.tut-table tr:last-child th,.tut-table tr:last-child td{border-bottom:0;}
.tut-box{border-radius:12px;padding:14px 16px 2px;margin:4px 0 18px;border:1.5px solid var(--border);}
.tut-box-title{font-size:11.5px !important;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px !important;}
.tut-box .tut-table{margin-bottom:10px;}
.tut-box-see{background:var(--white);}
.tut-box-see .tut-box-title{color:var(--lp-accent-text);}
.tut-box-check{background:#eefaf5;border-color:#bfe8d6;}
.tut-box-check .tut-box-title{color:#0a7a67;}
.tut-box-warn{background:#fff7ed;border-color:#fcd9b0;}
.tut-note{font-size:13.5px !important;color:var(--gray) !important;}
:root[data-theme="dark"] .tut-box-check{background:#12332a;border-color:#1f5a47;}
:root[data-theme="dark"] .tut-box-warn{background:#3a2a12;border-color:#5c4518;}

.tutorial-docs{margin-top:36px;}
.tutorial-docs-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:12px;}
.tutorial-next{display:flex;align-items:stretch;gap:14px;flex-wrap:wrap;margin-top:36px;}
.tutorial-next-card{
  flex:1;min-width:260px;display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:12px;
  border:1.5px solid var(--border);background:var(--white);text-decoration:none;
  transition:border-color .2s,box-shadow .2s;
}
a.tutorial-next-card:hover{border-color:var(--lp-accent-text);box-shadow:0 8px 24px rgba(14,196,166,.12);}
.tutorial-next-label{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);}
.tutorial-next-title{font-size:15.5px;font-weight:700;color:var(--text);}
.tutorial-next .landing-btn{align-self:center;}

@media(max-width:720px){
  .tutorial-container{padding:0 16px;}
  .tutorial-hero h1{font-size:30px;}
  .tutorial-facts{grid-template-columns:1fr;}
  .tut-table th{width:auto;display:block;padding-bottom:0;border-bottom:0;}
  .tut-table td{display:block;padding-top:4px;}
}
.tut-figure{margin:6px 0 20px;}
.tut-figure img{display:block;width:100%;height:auto;border:1.5px solid var(--border);border-radius:14px;background:#f7fbfa;}
.tut-figure figcaption{margin-top:8px;font-size:13px;color:var(--gray);line-height:1.5;}
:root[data-theme="dark"] .tut-figure img{border-color:#2c4a43;}

/* ── Tutorial contents list ────────────────────────────────────────── */
html{scroll-padding-top:84px;}
.tutorial-layout{display:grid;grid-template-columns:220px minmax(0,800px);gap:48px;justify-content:center;max-width:1148px;margin:0 auto;padding:0 40px;}
.tutorial-layout .tutorial-container{max-width:none;margin:0;padding:0;}
.tutorial-layout{padding-bottom:36px !important;}
.tutorial-hero-inner{max-width:1148px;padding:0 40px;}
.tutorial-hero-inner .tutorial-lead{max-width:800px;}
.tutorial-toc{position:sticky;top:84px;align-self:start;margin-top:30px;max-height:calc(100vh - 110px);overflow-y:auto;}
.tutorial-toc-title{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin-bottom:10px;}
.tutorial-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--border);}
.tutorial-toc a{
  display:flex;gap:10px;align-items:baseline;padding:7px 10px 7px 14px;margin-left:-2px;border-left:2px solid transparent;
  font-size:13.5px;line-height:1.45;color:var(--gray);text-decoration:none;transition:color .15s,border-color .15s,background .15s;
}
.tutorial-toc a span{flex-shrink:0;width:16px;font-size:12px;font-weight:700;color:var(--lp-accent-text);}
.tutorial-toc a:hover{color:var(--text);}
.tutorial-toc a.is-active{color:var(--text);font-weight:600;border-left-color:#0a7a67;background:var(--lp-pale);border-radius:0 8px 8px 0;}

@media(max-width:1100px){
  .tutorial-layout{grid-template-columns:minmax(0,800px);gap:0;}
  .tutorial-hero-inner{max-width:880px;padding:0 40px;}
  .tutorial-toc{position:static;max-height:none;margin-top:24px;padding:14px 16px;border:1.5px solid var(--border);border-radius:12px;background:var(--white);}
  .tutorial-toc ol{border-left:0;}
  .tutorial-toc a{padding:5px 0;margin-left:0;border-left:0;}
  .tutorial-toc a.is-active{background:none;border-radius:0;}
}
@media(max-width:720px){
  .tutorial-layout{padding:0 16px;}
  .tutorial-hero-inner{padding:0 16px;}
}
/* overflow:hidden on the page wrapper would stop the contents list sticking; clip hides the same overflow without that. */
.layout-wide .main:has(.tutorial-page){overflow-x:clip;}
.tutorial-body .tut-step a{color:var(--lp-accent-text);font-weight:600;text-decoration:underline;text-underline-offset:2px;}
.tutorial-body .tut-step a:hover{color:var(--text);}
.tutorial-body .tut-figure a{text-decoration:none;}