/*
Theme Name: Practable AI
Theme URI: https://practable.ai
Author: Joshua Burkhow
Author URI: https://practable.ai
Description: Brand theme for Practable AI - a practical AI education company. Built to host and style Tutor LMS (courses), WooCommerce (selling other content), and Kit/ConvertKit (newsletter), with native YouTube embeds and social integration. Classic theme, plugin-first.
Version: 1.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: practable
Tags: education, elearning, blog, ecommerce, custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ============================================================
   Practable AI - design tokens
   ============================================================ */
:root{
  --ink:#14294A; --body:#4A5568; --brand:#1F7AEF; --brand-ink:#2E86FF; --violet:#6C4BF5;
  --grad:linear-gradient(100deg,#1F7AEF,#6C4BF5);
  --sky:#EAF2FF; --line:#E7ECF3; --paper:#FFFFFF; --wash:#EEF1F5;
  --disp:'Plus Jakarta Sans',system-ui,sans-serif;
  --sans:'Inter',system-ui,sans-serif;
  --mono-logo:'Outfit',system-ui,sans-serif;
  --wrap:1160px; --read:680px;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--body);-webkit-font-smoothing:antialiased;line-height:1.6;font-size:16px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100}
.skip-link:focus{left:8px;top:8px}

/* ---------- buttons ---------- */
.btn,.wp-block-button__link,button.btn{display:inline-block;background:var(--brand);color:#fff!important;font-family:var(--mono-logo);font-weight:700;border-radius:10px;padding:12px 20px;font-size:14px;border:0;cursor:pointer;line-height:1.2;text-decoration:none;transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(31,122,239,.7);text-decoration:none}
.btn--grad{background:var(--grad)}
.btn--ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--line)}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:9px}
.brand img{height:30px;width:auto}
.brand .wm{font-family:var(--mono-logo);font-weight:700;font-size:21px;color:var(--ink);letter-spacing:-.02em}
.brand .wm .ai{color:var(--brand-ink)}
.nav-wrap{display:flex;align-items:center;gap:24px}
.primary-menu{display:flex;align-items:center;gap:24px;list-style:none}
.primary-menu a{font-size:14px;color:var(--ink);opacity:.82;font-weight:500}
.primary-menu a:hover{opacity:1;text-decoration:none}
.primary-menu .current-menu-item>a,.primary-menu .current_page_item>a{opacity:1;font-weight:700;color:var(--brand)}
.nav-cta{font-size:13.5px;padding:10px 18px}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:8px 10px}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* ---------- hero (front page) ---------- */
.hero{position:relative;overflow:hidden}
.hero .inner{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;padding:64px 24px 60px;max-width:var(--wrap);margin:0 auto}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:0}
.blob.b1{width:340px;height:340px;background:#CFE0FF;top:-80px;right:120px}
.blob.b2{width:300px;height:300px;background:#E2D8FF;bottom:-90px;right:-40px}
.hero .left{position:relative;z-index:1}
.eyebrow{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:700}
.hero h1{font-family:var(--disp);font-size:clamp(34px,5vw,50px);line-height:1.05;color:var(--ink);font-weight:800;letter-spacing:-.025em;margin:14px 0 16px}
.hero .sub{font-size:17px;color:var(--body);max-width:44ch;margin-bottom:24px}
.hero .right{position:relative;z-index:1;display:flex;justify-content:center}
.chips{display:flex;gap:9px;margin-top:18px;flex-wrap:wrap}
.chips span{background:var(--sky);color:#25528F;font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:20px}

/* signup inline */
.signup{display:flex;gap:9px;max-width:440px}
.signup input[type=email]{flex:1;font-size:14.5px;padding:14px 16px;border-radius:11px;border:1px solid #CFDBEC;font-family:var(--sans)}
.signup .btn{padding:14px 22px;white-space:nowrap}
.signup--embed{display:block!important;max-width:520px} .signup--embed .formkit-form,.signup--embed form{display:block!important;margin:0!important} .signup--embed .formkit-field,.signup--embed input[type=email],.signup--embed .formkit-input{width:100%!important;min-width:180px} .signup--embed .formkit-submit{margin-top:9px!important}

/* lesson/video card (hero visual) */
.videocard{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 40px 80px -40px rgba(30,40,90,.4);overflow:hidden;transform:rotate(-1.2deg)}
.videocard .head{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#F5F8FD;border-bottom:1px solid #EEF2F7}
.videocard .head .dd{width:9px;height:9px;border-radius:50%;background:#D3DAE6}
.videocard .head .lt{margin-left:8px;font-size:12px;color:#6B7688;font-weight:600}
.ratio{position:relative;padding-bottom:56.25%;background:#000;overflow:hidden}
.ratio iframe,.ratio video,.ratio embed,.ratio object{position:absolute;inset:0;width:100%;height:100%;border:0}
.ph-video{position:relative;height:200px;background:repeating-linear-gradient(45deg,#EAEDF2,#EAEDF2 14px,#E4E8EE 14px,#E4E8EE 28px);display:flex;align-items:center;justify-content:center}
.ph-video .yt{width:68px;height:48px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.25))}

/* ---------- generic sections ---------- */
.section{padding:64px 0}
.section--wash{background:linear-gradient(180deg,#F6F9FF,#fff);border-top:1px solid var(--line)}
.lead{text-align:center;max-width:52ch;margin:0 auto 38px}
.lead .eb{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:700}
.lead h2{font-family:var(--disp);font-size:clamp(26px,3.6vw,32px);color:var(--ink);font-weight:800;letter-spacing:-.02em;margin:10px 0 8px}
.lead p{font-size:15.5px}

.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1000px;margin:0 auto}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 20px 40px -34px rgba(20,30,60,.5)}
.vcard .ico{width:52px;height:52px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.vcard .ico svg{width:26px;height:26px;color:#fff}
.vcard h3{font-family:var(--disp);font-size:18px;color:var(--ink);font-weight:700;margin-bottom:5px}
.vcard p{font-size:13.5px}

.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:1000px;margin:0 auto}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 40px -34px rgba(20,30,60,.5)}
.scard .vis{height:104px;background:linear-gradient(135deg,#EEF4FF,#F3EEFF);display:flex;align-items:center;justify-content:center;border-bottom:1px solid #EEF2F7}
.scard .num{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;font-family:var(--mono-logo);font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 24px -12px #1F7AEFaa}
.scard .body{padding:18px 20px}
.scard h3{font-family:var(--disp);font-size:16.5px;color:var(--ink);font-weight:700;margin-bottom:5px}
.scard p{font-size:13.5px}

/* big newsletter CTA band */
.cta-band{max-width:var(--wrap);margin:56px auto 24px;border-radius:22px;padding:52px 40px;text-align:center;background:linear-gradient(120deg,#EAF2FF,#F1ECFF)}
.cta-band h2{font-family:var(--disp);font-size:clamp(24px,3.4vw,30px);color:var(--ink);font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.cta-band p{font-size:15px;margin-bottom:22px}
.cta-band .signup{margin:0 auto}

/* dark slim newsletter strip */
.strip{max-width:var(--wrap);margin:44px auto 0;padding:0 24px}
.strip .in{background:var(--ink);border-radius:20px;padding:32px 38px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.strip .in .tx{color:#fff}
.strip .in .tx b{font-family:var(--disp);font-size:21px;font-weight:800;display:block}
.strip .in .tx span{font-size:14px;color:#B9C6DC}
.strip .in input[type=email]{font-size:14px;padding:13px 15px;border-radius:11px;border:1px solid #2C4468;background:#0F2140;color:#fff;width:220px}
.strip .in input::placeholder{color:#7E90AE}

/* ---------- blog: archive (editorial) ---------- */
.blog-head{max-width:var(--wrap);margin:0 auto;padding:52px 24px 6px}
.blog-head .kick{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:700}
.blog-head h1{font-family:var(--disp);font-size:clamp(30px,4vw,40px);color:var(--ink);font-weight:800;letter-spacing:-.03em;margin:10px 0 8px}
.blog-head p{font-size:16px;max-width:62ch}
.blog-cols{max-width:var(--wrap);margin:24px auto 0;padding:0 24px;display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start}
.postlist .post{padding:24px 0;border-bottom:1px solid var(--line)}
.postlist .post:first-child{padding-top:0}
.post .pm{font-size:12px;color:#8A93A3;font-weight:600;letter-spacing:.02em;text-transform:uppercase;margin-bottom:9px;display:flex;gap:10px;align-items:center}
.post .pm .tp{color:var(--brand)} .post .pm .sep{color:#C7CDD8}
.post h2{font-family:var(--disp);font-size:23px;line-height:1.2;color:var(--ink);font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.post h2 a{color:inherit}
.post .dek{font-size:15px;line-height:1.6;color:var(--body);max-width:64ch;margin-bottom:11px}
.post .rd{font-size:13px;color:#8A93A3}
.rail .rblock{border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px;background:#fff}
.rail h3{font-family:var(--disp);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#8A93A3;font-weight:700;margin-bottom:14px}
.rail .topic{display:flex;justify-content:space-between;align-items:center;padding:9px 0;font-size:14px;color:var(--ink);font-weight:600;border-bottom:1px dashed var(--line)}
.rail .topic:last-child{border-bottom:0}
.rail .topic .c{font-size:12px;color:#9AA4B2;font-weight:600;background:#F1F3F7;padding:2px 9px;border-radius:12px}

/* ---------- single post (essay reading) ---------- */
.reading{max-width:var(--read);margin:0 auto;padding:0 28px}
.article-head{padding:34px 0 6px}
.cat-chip{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--brand);background:var(--sky);padding:6px 12px;border-radius:20px;margin-bottom:16px}
.article-head h1{font-family:var(--disp);font-size:clamp(30px,4.4vw,42px);line-height:1.08;color:var(--ink);font-weight:800;letter-spacing:-.03em;margin-bottom:16px}
.article-head .dek{font-size:19px;line-height:1.5;color:#3B4557}
.byline{display:flex;align-items:center;gap:11px;margin:22px 0;padding-bottom:22px;border-bottom:1px solid var(--line)}
.byline .av{width:40px;height:40px;border-radius:11px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:var(--mono-logo);font-weight:700;font-size:14px;color:#fff}
.byline .nm{font-size:14px;color:var(--ink);font-weight:700}
.byline .mt{font-size:12.5px;color:#8A93A3}
.entry{padding:8px 0}
.entry p{font-size:18px;line-height:1.75;color:#39424F;margin-bottom:24px}
.entry.dropcap>p:first-of-type::first-letter{font-family:var(--disp);font-weight:800;font-size:64px;line-height:.82;float:left;margin:7px 13px 0 0;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.entry h2{font-family:var(--disp);font-size:25px;color:var(--ink);font-weight:800;letter-spacing:-.02em;margin:36px 0 12px}
.entry h3{font-family:var(--disp);font-size:20px;color:var(--ink);font-weight:800;margin:28px 0 10px}
.entry ul,.entry ol{margin:0 0 24px 1.1em}
.entry li{font-size:17px;line-height:1.6;color:#39424F;margin-bottom:10px}
.entry blockquote{margin:34px 0;padding:8px 0 8px 28px;border-left:4px solid transparent;border-image:var(--grad) 1}
.entry blockquote p{font-family:var(--disp);font-size:26px;line-height:1.3;color:var(--ink);font-weight:800;letter-spacing:-.02em}
.entry img{border-radius:14px;margin:24px 0}
.entry figure{margin:24px 0}

/* author box + related */
.authbox{max-width:var(--read);margin:38px auto 0;padding:0 28px}
.authbox .in{display:flex;gap:18px;align-items:flex-start;background:linear-gradient(180deg,#F7FAFF,#fff);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px}
.authbox .av{flex:none;width:56px;height:56px;border-radius:15px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:var(--mono-logo);font-weight:700;font-size:21px;color:#fff}
.authbox .nm{font-family:var(--disp);font-size:17px;color:var(--ink);font-weight:800}
.authbox .rl{font-size:12.5px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin:2px 0 8px}
.authbox p{font-size:14px;color:var(--body);margin:0}

/* ---------- letter / about page template ---------- */
.letter-mast{max-width:var(--read);margin:0 auto;padding:66px 28px 30px}
.letter-mast .kick{display:flex;align-items:center;gap:12px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:700}
.letter-mast .kick::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,#CFE0FF,transparent)}
.letter-mast h1{font-family:var(--disp);font-size:clamp(30px,4.2vw,42px);line-height:1.1;color:var(--ink);font-weight:800;letter-spacing:-.03em;margin:20px 0 18px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:40px}
.site-footer .in{max-width:var(--wrap);margin:0 auto;padding:26px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer .brand img{height:24px}
.site-footer .brand .wm{font-size:17px}
.footer-right{display:flex;align-items:center;gap:24px}
.footer-menu{display:flex;gap:20px;list-style:none}
.footer-menu a{font-size:13px;color:#7C8492}
.social{display:flex;gap:10px}
.social a{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#6B7280;transition:all .15s}
.social a:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}
.social a svg{width:16px;height:16px}
.footer-colophon{text-align:center;font-size:12.5px;color:#98A0AD;padding:6px 24px 26px}

/* ============================================================
   Plugin compatibility: WooCommerce + Tutor LMS
   ============================================================ */
/* WooCommerce buttons + price */
.woocommerce a.button,.woocommerce button.button,.woocommerce .button,.woocommerce #respond input#submit{background:var(--brand)!important;color:#fff!important;border-radius:10px!important;font-family:var(--mono-logo)!important;font-weight:700!important;padding:12px 20px!important}
.woocommerce a.button.alt,.woocommerce button.button.alt{background:var(--grad)!important}
.woocommerce span.price,.woocommerce div.product p.price{color:var(--ink)!important;font-family:var(--disp)!important;font-weight:800!important}
.woocommerce ul.products li.product h2,.woocommerce ul.products li.product .woocommerce-loop-product__title{font-family:var(--disp)!important;color:var(--ink)!important;font-weight:800!important}
.woocommerce .woocommerce-message,.woocommerce .woocommerce-info{border-top-color:var(--brand)!important}

/* Tutor LMS accents */
.tutor-wrap [class*="tutor-btn"],.tutor-btn-primary{background:var(--brand)!important;border-radius:10px!important;font-family:var(--mono-logo)!important;font-weight:700!important}
.tutor-course-name,.tutor-course-title,.tutor-single-course-title{font-family:var(--disp)!important;color:var(--ink)!important;font-weight:800!important}
.tutor-color-primary,.tutor-fs-4{color:var(--brand)}
/* Course archive grid spacing that matches Lessons mock */
.tutor-courses{gap:22px!important}

/* Kit / ConvertKit embedded form: keep it on-brand */
.formkit-form .formkit-submit,.seva-form .formkit-submit{background:var(--brand)!important;border-radius:10px!important;font-family:var(--mono-logo)!important}

/* ============================================================
   Responsive
   ============================================================ */
@media(max-width:900px){
  .hero .inner{grid-template-columns:1fr;gap:28px}
  .blog-cols{grid-template-columns:1fr;gap:26px}
  .cards3,.steps3{grid-template-columns:1fr}
  .videocard{transform:none;margin:0 auto}
}
@media(max-width:720px){
  .nav-wrap{position:fixed;inset:64px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 0;display:none;box-shadow:0 20px 40px -30px rgba(20,30,60,.5)}
  .nav-wrap.open{display:flex}
  .primary-menu{flex-direction:column;align-items:stretch;gap:0}
  .primary-menu li{border-bottom:1px solid var(--line)}
  .primary-menu a{display:block;padding:14px 24px}
  .nav-cta{margin:10px 24px}
  .menu-toggle{display:block}
  .site-footer .in{flex-direction:column;align-items:flex-start}
  .footer-right{flex-direction:column;align-items:flex-start;gap:14px}
}