:root{
  --bg:#FFFFFF;
  --bg-alt:#F6F7FA;
  --card:#FFFFFF;
  --border:#E7E9EF;
  --text:#232839;
  --text-secondary:#5B6472;
  --text-tertiary:#8B93A3;
  --accent:#4C5FD6;
  --accent-dark:#3C4CB0;
  --accent-light:#7FCBEA;
  --accent-soft:#EEF0FD;
  --red:#E2543D;
  --yellow:#F4C430;
  --footer-bg:#171A24;
  --footer-text:#B7BCC8;
  --radius:14px;
  --maxw:1120px;
}
[data-theme="dark"]{
  --bg:#0B0D12;
  --bg-alt:#12141B;
  --card:#161922;
  --border:#262A36;
  --text:#F2F3F7;
  --text-secondary:#A7ADBB;
  --text-tertiary:#767D8E;
  --accent:#6C7CE8;
  --accent-dark:#8593EE;
  --accent-light:#7FCBEA;
  --accent-soft:#1C2036;
  --footer-bg:#08090D;
  --footer-text:#9198A9;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{ font-family:'Poppins','Inter',sans-serif; margin:0; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img,svg{ display:block; max-width:100%; }
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
@media (max-width:640px){ .wrap{ padding:0 20px; } }
.hand{ font-family:'Caveat',cursive; }

/* NAV */
header{ position:sticky; top:0; z-index:900; background:color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter:blur(8px); border-bottom:1px solid var(--border); transition:background .25s ease, border-color .25s ease; }
body{ transition:background .25s ease, color .25s ease; }
.navbar{ display:flex; align-items:center; justify-content:space-between; height:72px; max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.brand{ display:flex; align-items:baseline; gap:4px; font-weight:700; font-size:18px; line-height:1; }
.brand .last{ color:var(--text); }
.brand .badge{ background:var(--red); color:#fff; font-size:12px; font-weight:800; padding:2px 6px; border-radius:5px; margin-left:2px; }
nav.links{ display:flex; align-items:center; gap:28px; }
nav.links a{ font-size:14.5px; color:var(--text-secondary); font-weight:500; }
nav.links a:hover, nav.links a.active{ color:var(--text); }
.btn{ display:inline-flex; align-items:center; gap:7px; font-size:14px; font-weight:600; padding:11px 20px; border-radius:9px; cursor:pointer; border:1px solid transparent; }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:var(--accent-dark); }
.btn-secondary{ background:var(--accent-light); color:#0d3b4c; }
.btn-secondary:hover{ filter:brightness(0.95); }
.btn-outline{ background:var(--card); border-color:var(--border); color:var(--text); }
.nav-controls{ display:flex; align-items:center; gap:8px; }
.icon-btn{ width:36px; height:36px; border-radius:9px; border:1px solid var(--border); background:var(--card); color:var(--text-secondary); display:flex; align-items:center; justify-content:center; cursor:pointer; }
.icon-btn:hover{ color:var(--text); border-color:var(--text-tertiary); }
.lang-btn{ height:36px; padding:0 12px; border-radius:9px; border:1px solid var(--border); background:var(--card); color:var(--text-secondary); font-size:12.5px; font-weight:700; cursor:pointer; letter-spacing:.02em; }
.lang-btn:hover{ color:var(--text); border-color:var(--text-tertiary); }
.btn-outline:hover{ border-color:var(--text-tertiary); }
.menu-toggle{ display:none; width:36px; height:36px; border-radius:8px; border:1px solid var(--border); align-items:center; justify-content:center; cursor:pointer; background:var(--card); color:var(--text); }
@media (max-width:860px){ nav.links{ display:none; } .menu-toggle{ display:flex; } .nav-cta{ display:none; } }
#mobile-panel{ position:fixed; inset:72px 0 0 0; z-index:850; background:var(--bg); padding:20px; display:none; flex-direction:column; overflow-y:auto; }
#mobile-panel.open{ display:flex; }
#mobile-panel a{ padding:16px 4px; font-size:17px; font-weight:600; border-bottom:1px solid var(--border); }

/* PAGE HERO (subpages) */
.page-hero{ padding:56px 0 50px; }
.page-hero-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center; }
@media (max-width:860px){ .page-hero-grid{ grid-template-columns:1fr; } }
.page-hero h1{ font-size:clamp(28px,4vw,42px); font-weight:700; line-height:1.15; }
.page-hero p{ margin-top:14px; font-size:15.5px; color:var(--text-secondary); max-width:48ch; line-height:1.6; }
.eyebrow{ display:inline-flex; align-items:center; gap:7px; font-size:12px; font-weight:700; color:var(--accent); background:var(--accent-soft); padding:6px 12px; border-radius:100px; margin-bottom:16px; text-transform:uppercase; letter-spacing:0.04em; }

/* HERO (home) */
.hero{ padding:72px 0 88px; }
.hero-grid{ display:grid; grid-template-columns:0.95fr 1.05fr; gap:56px; align-items:center; }
@media (max-width:900px){ .hero-grid{ grid-template-columns:1fr; } .hero{ padding:48px 0 64px; } }
.hero h1{ font-size:clamp(32px,4.6vw,50px); line-height:1.1; font-weight:700; color:var(--text); }
.hero .sub{ margin-top:18px; font-size:16.5px; line-height:1.65; color:var(--text-secondary); max-width:46ch; }
.hero .ctas{ margin-top:28px; display:flex; gap:12px; flex-wrap:wrap; }
.hero .meta{ margin-top:24px; font-size:13.5px; color:var(--text-tertiary); }

/* squiggle underline + centered heads */
.squiggle{ display:block; margin:10px auto 0; }
.center-head{ text-align:center; max-width:600px; margin:0 auto; }
.center-head h2{ font-size:clamp(26px,3.4vw,34px); font-weight:700; }
.center-head p{ margin-top:16px; font-size:15.5px; color:var(--text-secondary); line-height:1.6; }

section{ padding:76px 0; }
.alt{ background:var(--bg-alt); }
.tight{ padding:56px 0; }

/* 3 icon features */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:34px; margin-top:56px; text-align:center; }
@media (max-width:760px){ .grid-3{ grid-template-columns:1fr; gap:36px; } }
.feat .ico{ width:46px; height:46px; margin:0 auto 18px; color:var(--text); }
.feat h3{ font-size:18px; font-weight:700; }
.feat p{ margin-top:10px; font-size:14px; color:var(--text-secondary); line-height:1.65; max-width:30ch; margin-left:auto; margin-right:auto; }

/* colorful cover cards */
.card-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
@media (max-width:900px){ .card-row{ grid-template-columns:1fr; } }
.card-row.two{ grid-template-columns:repeat(2,1fr); }
@media (max-width:760px){ .card-row.two{ grid-template-columns:1fr; } }
.cover-card{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:transform .25s ease, box-shadow .25s ease; }
.cover-card:hover{ transform:translateY(-3px); box-shadow:0 16px 30px -18px rgba(30,40,70,0.25); }
.cover{ height:150px; position:relative; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.cover .tag{ position:absolute; top:10px; left:10px; background:rgba(255,255,255,0.85); color:var(--text); font-size:10.5px; font-weight:700; padding:3px 8px; border-radius:6px; z-index:2; text-transform:uppercase; letter-spacing:.02em; }
.cover .strip{ position:absolute; bottom:0; left:0; right:0; height:20px; background:rgba(23,26,36,0.72); color:#fff; font-size:9.5px; font-weight:700; display:flex; align-items:center; padding:0 10px; letter-spacing:.02em; }
.cover svg.diagram{ width:76%; height:76%; }
.cover.amber{ background:linear-gradient(135deg,#F6DFA9,#EBC17E); }
.cover.sage{ background:linear-gradient(135deg,#D3E6C8,#AFCFA0); }
.cover.sky{ background:linear-gradient(135deg,#CDEAF4,#9FD3E8); }
.cover.purple{ background:linear-gradient(135deg,#DCD2F0,#B9A0DA); }
.cover.red{ background:linear-gradient(135deg,#EBC9C5,#D69A93); }
.cover.yellow{ background:linear-gradient(135deg,#F3E6A8,#E8D06B); }
.cover-body{ padding:20px; }
.cover-body h4{ font-size:16px; font-weight:700; line-height:1.35; }
.cover-body p{ margin-top:8px; font-size:13.5px; color:var(--text-secondary); line-height:1.6; }
.cover-foot{ margin-top:16px; display:flex; align-items:center; justify-content:space-between; padding-top:14px; border-top:1px solid var(--border); }
.who{ display:flex; align-items:center; gap:8px; font-size:12.5px; font-weight:600; color:var(--text-secondary); }
.who .av{ width:24px; height:24px; border-radius:50%; overflow:hidden; background:var(--accent-soft); flex-shrink:0; }
.who .av img{ width:100%; height:100%; object-fit:cover; }
.meta-badge{ font-size:11px; font-weight:700; color:var(--text-tertiary); text-transform:uppercase; letter-spacing:0.03em; }
.tag-row{ margin-top:14px; display:flex; flex-wrap:wrap; gap:6px; }
.tag-pill{ font-size:11px; font-weight:600; color:var(--text-tertiary); background:var(--bg-alt); border:1px solid var(--border); padding:3px 9px; border-radius:6px; }

/* section top row */
.section-top{ display:flex; align-items:flex-end; justify-content:space-between; flex-wrap:wrap; gap:14px; margin-bottom:36px; }
.section-top .center-head{ text-align:left; margin:0; max-width:520px; }

/* bordered list rows */
.list-2col{ display:grid; grid-template-columns:1fr 1fr; gap:14px 20px; }
@media (max-width:640px){ .list-2col{ grid-template-columns:1fr; } }
.list-row{ display:flex; align-items:center; gap:12px; background:var(--card); border:1px solid var(--border); border-left:4px solid var(--accent); border-radius:8px; padding:14px 16px; font-size:14px; font-weight:600; }
.list-row .rico{ color:var(--accent); flex-shrink:0; }
.cert-note{ margin-top:26px; font-size:13.5px; color:var(--text-tertiary); text-align:center; }
.cert-note a{ color:var(--accent); font-weight:600; }

/* certification boxes */
.cert-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
@media (max-width:760px){ .cert-grid{ grid-template-columns:1fr; } }
.cert-box{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:26px; }
.cert-box .top{ display:flex; align-items:center; gap:14px; }
.cert-box .logo{ width:52px; height:52px; border-radius:12px; background:var(--accent-soft); color:var(--accent); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.cert-box h3{ font-size:16.5px; font-weight:700; }
.cert-box .issuer{ font-size:12.5px; color:var(--text-tertiary); margin-top:2px; }
.cert-box .skills{ margin-top:16px; font-size:13.5px; color:var(--text-secondary); line-height:1.65; }
.cert-box .link{ margin-top:14px; display:inline-block; font-size:13px; font-weight:700; color:var(--accent); }

/* CTA banner */
.cta-banner{ background:var(--bg-alt); padding:64px 0; }
.cta-grid{ display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center; }
@media (max-width:860px){ .cta-grid{ grid-template-columns:1fr; } }
.cta-grid h2{ font-size:clamp(24px,3.2vw,32px); font-weight:700; line-height:1.25; }
.cta-grid p{ margin-top:14px; font-size:15px; color:var(--text-secondary); }
.cta-grid .ctas{ margin-top:24px; display:flex; gap:12px; flex-wrap:wrap; }

/* contact rows (contact page) */
.contact-rows{ max-width:480px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.contact-rows a, .contact-rows div.row{ display:flex; align-items:center; gap:14px; background:var(--card); border:1px solid var(--border); border-radius:12px; padding:16px 18px; }
.contact-rows a:hover{ border-color:var(--accent); }
.contact-rows .cico{ width:38px; height:38px; border-radius:10px; background:var(--accent-soft); color:var(--accent); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.contact-rows .lab{ font-size:11.5px; color:var(--text-tertiary); }
.contact-rows .val{ font-size:14.5px; font-weight:700; margin-top:2px; }

/* about day-to-day */
.mini-card{ background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:22px; }
.mini-card .ico{ width:36px; height:36px; border-radius:10px; background:var(--accent-soft); color:var(--accent); display:flex; align-items:center; justify-content:center; margin-bottom:14px; }
.mini-card h4{ font-size:14.5px; font-weight:700; }
.mini-card p{ margin-top:8px; font-size:13.5px; color:var(--text-secondary); line-height:1.6; }

.quote{ max-width:560px; margin:44px auto 0; text-align:center; }
.quote p{ font-size:15.5px; font-style:italic; color:var(--text-secondary); line-height:1.7; }
.quote .who2{ margin-top:14px; font-size:13px; font-weight:700; }

/* blog list */
.blog-list{ max-width:760px; margin:0 auto; }
.blog-row{ display:flex; gap:20px; padding:24px 0; border-bottom:1px solid var(--border); align-items:flex-start; }
.blog-row:first-child{ padding-top:0; }
.blog-row .bdate{ flex:0 0 90px; font-size:12.5px; color:var(--text-tertiary); font-weight:600; padding-top:3px; }
.blog-row h4{ font-size:16.5px; font-weight:700; }
.blog-row .bcat{ display:inline-block; margin-top:6px; font-size:11px; font-weight:700; color:var(--accent); background:var(--accent-soft); padding:3px 9px; border-radius:6px; text-transform:uppercase; letter-spacing:.02em; }
.blog-row p{ margin-top:10px; font-size:13.5px; color:var(--text-secondary); line-height:1.6; }
.blog-row .bmeta{ margin-top:10px; font-size:12px; color:var(--text-tertiary); }

/* FOOTER */
footer{ background:var(--footer-bg); color:var(--footer-text); padding:56px 0 28px; }
.foot-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,0.08); }
@media (max-width:700px){ .foot-grid{ grid-template-columns:1fr; gap:28px; } }
.foot-grid h5{ font-size:12px; font-weight:700; letter-spacing:0.06em; text-transform:uppercase; color:#8189A0; margin-bottom:16px; }
.foot-grid a{ display:block; font-size:13.5px; margin-bottom:11px; color:var(--footer-text); }
.foot-grid a:hover{ color:#fff; }
.foot-brand{ display:flex; align-items:baseline; gap:4px; font-weight:700; font-size:17px; color:#fff; margin-bottom:12px; }
.foot-brand .badge{ background:var(--red); color:#fff; font-size:11px; font-weight:800; padding:2px 6px; border-radius:5px; }
.foot-bottom{ padding-top:20px; font-size:12.5px; color:#6E7690; }

a:focus-visible, button:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }