/* Nisarga Innovations — site styles
   1 tokens  2 base  3 header/footer  4 buttons & forms  5 home  6 training  7 course  8 dialog  9 pages */

/* 0 ─ fonts (self-hosted, SIL Open Font License) ───────── */
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("/fonts/bricolage-grotesque.woff2") format("woff2"); }
@font-face { font-family: "Figtree"; font-style: normal; font-weight: 300 900; font-display: swap; src: url("/fonts/figtree.woff2") format("woff2"); }

/* 1 ─ tokens ─────────────────────────────────────────────── */
:root {
  --ink: #13314f;          /* navy of the "N" */
  --ink-2: #284b6e;
  --leaf: #2f8a4f;         /* leaf green */
  --leaf-dark: #1f6a3a;
  --sprout: #a6ce39;       /* lime tip of the leaf */
  --paper: #f5f8f3;
  --mist: #dce6da;
  --white: #ffffff;
  --text: #17212b;
  --muted: #566372;
  --danger: #b3261e;
  --radius: 6px;
  --radius-lg: 14px;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --body: "Figtree", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}

/* 2 ─ base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--white); color: var(--text);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--leaf-dark); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.1; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--sprout); outline-offset: 2px; border-radius: 3px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.measure { max-width: 68ch; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 8px; top: -60px; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 100; border-radius: var(--radius); }
.skip:focus { top: 8px; color: #fff; }
section { padding: clamp(56px, 8vw, 96px) 0; }
.band { background: var(--paper); }

/* 3 ─ header & footer ────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.94); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--mist); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand img { width: 40px; height: auto; }
.brand-name { font: 700 1.15rem/1 var(--display); letter-spacing: -0.01em; }
.brand-name span { color: var(--leaf); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { text-decoration: none; color: var(--text); font-weight: 600; padding: 8px 12px; border-radius: var(--radius); }
.nav a:hover { background: var(--paper); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--leaf-dark); box-shadow: inset 0 -2px 0 var(--leaf); border-radius: 0; }
.nav .btn { margin-left: 8px; }
.nav a.btn-ink, .nav a.btn-ink:hover { color: #fff; background: var(--ink); box-shadow: none; border-radius: 999px; }
.nav a.btn-ink:hover { background: var(--ink-2); }
.menu-btn { display: none; background: none; border: 1px solid var(--mist); border-radius: var(--radius); width: 44px; height: 40px; cursor: pointer; color: var(--ink); }
.menu-btn svg { width: 22px; height: 22px; }
@media (max-width: 980px) { .nav a { padding: 8px 9px; } }
@media (max-width: 820px) {
  .menu-btn { display: inline-grid; place-items: center; }
  .nav { position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--mist); flex-direction: column; align-items: stretch; padding: 8px var(--gutter) 16px; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--leaf); padding-left: 12px; }
  .nav .btn { margin: 8px 0 0; text-align: center; }
}

.site-footer { background: var(--ink); color: #c9d6e3; padding: 56px 0 28px; margin-top: 0; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-grid h2 { color: #fff; font-size: 1rem; margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-tag { font: 600 .95rem/1.4 var(--display); color: var(--sprout); margin-top: 10px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font: 700 1.15rem var(--display); }
.footer-brand img { width: 40px; background: #fff; border-radius: 8px; padding: 4px; }
.socials { display: flex; gap: 10px; margin-top: 16px; }
.socials a { display: inline-grid; place-items: center; width: 38px; height: 38px; border: 1px solid #3c5d7f; border-radius: 50%; }
.socials svg { width: 18px; height: 18px; fill: currentColor; }
.footer-base { border-top: 1px solid #2b4a69; margin-top: 40px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; font-size: .9rem; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* 4 ─ buttons & forms ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 1rem/1 var(--body); padding: 14px 22px; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer; transition: background-color .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--leaf); color: #fff; }
.btn-primary:hover { background: var(--leaf-dark); color: #fff; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ink-2); color: #fff; }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-small { padding: 10px 16px; font-size: .95rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 600; color: var(--ink); font-size: .95rem; }
.field input, .field textarea, .field select, .search input {
  width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid #c5d2c3; border-radius: var(--radius);
  background: #fff; color: var(--text);
}
.field input:focus, .field textarea:focus, .search input:focus { outline: none; border-color: var(--leaf); box-shadow: 0 0 0 3px rgba(166,206,57,.45); }
.field .err { color: var(--danger); font-size: .88rem; min-height: 0; }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.hp { position: absolute; left: -5000px; }
.form-note { font-size: .88rem; color: var(--muted); }
.alert { padding: 12px 14px; border-radius: var(--radius); background: #fdecea; color: var(--danger); margin-bottom: 14px; }
.alert.ok { background: #e8f5e9; color: var(--leaf-dark); }

/* 5 ─ home ───────────────────────────────────────────────── */
.hero { padding: clamp(40px, 7vw, 88px) 0 clamp(48px, 7vw, 96px); background: var(--paper); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 72px); align-items: start; }
.growth { position: relative; padding-left: clamp(52px, 7vw, 74px); margin: 0 0 28px; }
.growth svg { position: absolute; left: 0; top: 4px; bottom: 4px; width: clamp(36px, 5vw, 56px); height: calc(100% - 8px); overflow: visible; }
.growth .word { font: 800 clamp(3rem, 9vw, 6.4rem)/0.98 var(--display); letter-spacing: -0.035em; color: var(--ink); display: block; }
.growth .word:nth-child(3) { color: var(--leaf-dark); }
.growth .word:nth-child(4) { color: var(--leaf); }
.stem { stroke: var(--leaf); stroke-width: 4; fill: none; stroke-linecap: round; }
.leaf { fill: var(--sprout); transform-box: fill-box; transform-origin: 0% 100%; }
.leaf.l2 { fill: var(--leaf); }
.leaf.l3 { fill: var(--leaf-dark); }
@media (prefers-reduced-motion: no-preference) {
  .stem { stroke-dasharray: 600; stroke-dashoffset: 600; animation: grow 1.6s .1s cubic-bezier(.4,.1,.2,1) forwards; }
  .leaf { transform: scale(0); animation: bud .5s cubic-bezier(.3,1.5,.5,1) forwards; }
  .leaf.l1 { animation-delay: .45s; } .leaf.l2 { animation-delay: .9s; } .leaf.l3 { animation-delay: 1.35s; }
  .growth .word { opacity: 0; animation: rise .6s ease forwards; }
  .growth .word:nth-child(2) { animation-delay: .35s; } .growth .word:nth-child(3) { animation-delay: .8s; } .growth .word:nth-child(4) { animation-delay: 1.25s; }
}
@keyframes grow { to { stroke-dashoffset: 0; } }
@keyframes bud { to { transform: scale(1); } }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.hero-lead { font-size: 1.2rem; color: var(--text); max-width: 54ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.upcoming { background: #fff; border: 1px solid var(--mist); border-radius: var(--radius-lg); padding: 24px; }
.upcoming h2 { font-size: 1.15rem; display: flex; align-items: center; gap: 10px; }
.live-dot { width: 10px; height: 10px; border-radius: 50%; background: #e0452b; box-shadow: 0 0 0 4px rgba(224,69,43,.18); flex: none; }
.session { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--mist); text-decoration: none; color: inherit; }
.session:first-of-type { border-top: 0; padding-top: 8px; }
.session:hover .session-title { color: var(--leaf-dark); text-decoration: underline; }
.datebox { text-align: center; border: 1.5px solid var(--ink); border-radius: var(--radius); overflow: hidden; align-self: start; }
.datebox .m { background: var(--ink); color: #fff; font: 700 .75rem/1 var(--body); padding: 5px 0; letter-spacing: .04em; }
.datebox .d { font: 800 1.7rem/1.1 var(--display); color: var(--ink); padding: 4px 0 2px; }
.datebox .w { font-size: .72rem; color: var(--muted); padding-bottom: 4px; }
.session-title { font: 700 1.08rem/1.25 var(--display); color: var(--ink); margin: 0 0 4px; }
.session-meta { font-size: .92rem; color: var(--muted); }
.session-price { font-weight: 700; color: var(--leaf-dark); }
.upcoming .all-link { display: inline-block; margin-top: 12px; font-weight: 700; }

.offer-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; margin-top: 36px; }
.offer { padding: 24px 0; border-top: 2px solid var(--ink); }
.offer h3 { font-size: 1.35rem; margin-bottom: 8px; }
.offer p { color: var(--muted); margin: 0; }
@media (max-width: 720px) { .offer-list { grid-template-columns: 1fr; } }

.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head p { margin: 0; color: var(--muted); max-width: 60ch; }

.trainers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.trainer { display: grid; grid-template-columns: 88px 1fr; gap: 16px; align-items: start; }
.trainer img { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; object-position: top; background: var(--mist); }
.trainer h3 { margin: 4px 0 2px; font-size: 1.15rem; }
.trainer .role { color: var(--leaf-dark); font-weight: 600; font-size: .95rem; margin-bottom: 8px; }
.trainer p { font-size: .95rem; color: var(--muted); margin: 0; }
@media (max-width: 900px) { .trainers { grid-template-columns: 1fr; } }

.promise { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.promise div { border-left: 4px solid var(--sprout); padding: 4px 0 4px 16px; }
.promise strong { display: block; font: 700 1.2rem/1.2 var(--display); color: var(--ink); margin-bottom: 4px; }
.promise span { color: var(--muted); }
@media (max-width: 720px) { .promise { grid-template-columns: 1fr; } }

.cta-panel { background: var(--ink); color: #dfe8f1; border-radius: var(--radius-lg); padding: clamp(28px, 5vw, 56px); display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.cta-panel h2 { color: #fff; }
.cta-panel .btn-outline { border-color: #fff; color: #fff; }
.cta-panel .btn-outline:hover { background: #fff; color: var(--ink); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
@media (max-width: 760px) { .cta-panel { grid-template-columns: 1fr; } .cta-actions { justify-content: flex-start; } }

@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

/* 6 ─ training catalogue ─────────────────────────────────── */
.page-head { background: var(--paper); padding: clamp(36px, 6vw, 64px) 0 28px; border-bottom: 1px solid var(--mist); }
.page-head p { color: var(--muted); max-width: 64ch; font-size: 1.1rem; }
.filters { display: grid; gap: 14px; margin-top: 24px; }
.seg { display: flex; gap: 6px; padding: 4px; background: #fff; border: 1px solid var(--mist); border-radius: 999px; width: fit-content; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.seg::-webkit-scrollbar { display: none; }
.seg button { flex: none; font: 700 .95rem/1 var(--body); border: 0; background: transparent; color: var(--text); padding: 10px 16px; border-radius: 999px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.seg button .n { font-weight: 600; opacity: .7; margin-left: 4px; }
.filter-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.search { position: relative; flex: 1 1 260px; max-width: 420px; }
.search input { padding-left: 40px; border-radius: 999px; }
.search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: 600 .9rem/1 var(--body); padding: 8px 12px; border-radius: 999px; border: 1.5px solid #c5d2c3; background: #fff; color: var(--text); cursor: pointer; }
.chip[aria-pressed="true"] { border-color: var(--leaf); background: #eaf4e5; color: var(--leaf-dark); }
.results-note { color: var(--muted); margin: 28px 0 8px; font-size: .95rem; }
.group { margin-top: 36px; }
.group > h2 { font-size: 1.5rem; display: flex; align-items: baseline; gap: 10px; }
.group > h2 small { font: 600 .95rem var(--body); color: var(--muted); }
.group > p { color: var(--muted); margin-top: -6px; }

.ws-list { display: grid; gap: 0; border-top: 1px solid var(--mist); }
.ws { display: grid; grid-template-columns: 72px 1fr auto; gap: 20px; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--mist); }
.ws .datebox .d { font-size: 1.9rem; }
.ws h3 { margin: 0 0 4px; font-size: 1.2rem; }
.ws h3 a { color: var(--ink); text-decoration: none; }
.ws h3 a:hover { text-decoration: underline; }
.ws .meta { color: var(--muted); font-size: .95rem; }
.ws .buy { text-align: right; display: grid; gap: 8px; justify-items: end; }
.price { font: 800 1.35rem/1 var(--display); color: var(--ink); }
.price s { font: 500 .95rem var(--body); color: var(--muted); margin-left: 6px; }
.price.free { color: var(--leaf-dark); }
@media (max-width: 640px) { .ws { grid-template-columns: 64px 1fr; } .ws .buy { grid-column: 2; justify-items: start; text-align: left; } }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 28px 24px; }
.tile { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.tile .cover { aspect-ratio: 16 / 10; border-radius: var(--radius); overflow: hidden; background: var(--mist); position: relative; }
.tile .cover img { width: 100%; height: 100%; object-fit: cover; }
.tile:hover .tile-title { text-decoration: underline; text-decoration-color: var(--sprout); text-decoration-thickness: 3px; }
.tile .tag { position: absolute; left: 10px; top: 10px; background: #fff; color: var(--ink); font: 700 .78rem/1 var(--body); padding: 6px 8px; border-radius: 4px; }
.tile .tag.own { background: var(--ink); color: #fff; }
.tile-body { padding: 14px 2px 0; display: grid; gap: 6px; }
.tile-cat { font-size: .85rem; color: var(--leaf-dark); font-weight: 700; }
.tile-title { font: 700 1.12rem/1.25 var(--display); color: var(--ink); margin: 0; }
.tile-facts { font-size: .9rem; color: var(--muted); }
.tile-foot { display: flex; justify-content: space-between; align-items: baseline; margin-top: 4px; }
.tile .price { font-size: 1.15rem; }
.tile-ext { font-size: .82rem; font-weight: 600; color: var(--muted); }

/* typographic cover when a course has no image */
.cover-img { position: absolute; inset: 0; }
.gen-cover { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px; color: #fff; overflow: hidden; }
.gen-cover .gc-title { position: relative; font: 800 clamp(1.15rem, 2vw, 1.45rem)/1.08 var(--display); letter-spacing: -0.015em; max-width: 88%; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.gen-cover svg { position: absolute; right: -6%; top: -18%; width: 58%; opacity: .14; }
.buybox .gen-cover .gc-title { font-size: 1.6rem; }
.empty { padding: 48px 0; text-align: center; color: var(--muted); }
.skeleton { background: linear-gradient(90deg, var(--mist), #eef3ec, var(--mist)); background-size: 200% 100%; border-radius: var(--radius); min-height: 220px; }
@media (prefers-reduced-motion: no-preference) { .skeleton { animation: shimmer 1.4s infinite linear; } }
@keyframes shimmer { to { background-position: -200% 0; } }

/* 7 ─ course page ────────────────────────────────────────── */
.crumbs { font-size: .92rem; color: var(--muted); margin-bottom: 16px; }
.crumbs a { color: var(--muted); }
.course-head { background: var(--paper); padding: clamp(28px, 5vw, 56px) 0; border-bottom: 1px solid var(--mist); }
.course-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: clamp(28px, 5vw, 56px); align-items: start; }
.course-head h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
.course-sub { font-size: 1.2rem; color: var(--text); max-width: 60ch; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin: 20px 0 0; padding: 0; list-style: none; }
.facts li { display: grid; }
.facts b { font: 700 1.05rem var(--display); color: var(--ink); }
.facts span { font-size: .85rem; color: var(--muted); }
.by { display: flex; align-items: center; gap: 10px; margin-top: 22px; color: var(--muted); }
.by img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; object-position: top; }
.by strong { color: var(--ink); }

.buybox { position: sticky; top: 88px; background: #fff; border: 1px solid var(--mist); border-radius: var(--radius-lg); overflow: hidden; }
.buybox .cover { aspect-ratio: 16 / 9; position: relative; background: var(--mist); }
.buybox .cover img { width: 100%; height: 100%; object-fit: cover; }
.buybox-body { padding: 20px; display: grid; gap: 14px; }
.buybox .price { font-size: 2rem; }
.price-note { font-size: .92rem; color: var(--muted); margin: -6px 0 0; }
.notice { background: #fff8e1; border-left: 4px solid #f2b705; padding: 10px 12px; font-size: .95rem; border-radius: 4px; }
.dates { list-style: none; margin: 0; padding: 0; border: 1px solid var(--mist); border-radius: var(--radius); }
.dates li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-top: 1px solid var(--mist); font-size: .95rem; }
.dates li:first-child { border-top: 0; }
.dates b { color: var(--ink); }
.includes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .95rem; }
.includes li { padding-left: 26px; position: relative; }
.includes li::before { content: ""; position: absolute; left: 2px; top: .35em; width: 14px; height: 9px; border-left: 3px solid var(--leaf); border-bottom: 3px solid var(--leaf); transform: rotate(-45deg); }

.course-body { padding: clamp(36px, 5vw, 64px) 0; }
.course-body h2 { font-size: 1.6rem; margin-top: 40px; }
.course-body h2:first-child { margin-top: 0; }
.prose p { max-width: 70ch; }
.syllabus { border-top: 1px solid var(--mist); }
.syllabus details { border-bottom: 1px solid var(--mist); }
.syllabus summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; padding: 16px 0; font-weight: 700; color: var(--ink); }
.syllabus summary::-webkit-details-marker { display: none; }
.syllabus .num { font: 800 1rem var(--display); color: var(--leaf); }
.syllabus .count { font-weight: 500; color: var(--muted); font-size: .9rem; }
.syllabus summary::after { content: "+"; font: 400 1.4rem/1 var(--body); color: var(--muted); grid-column: 4; }
.syllabus details[open] summary::after { content: "–"; }
.syllabus ul { margin: 0 0 16px 52px; padding: 0; color: var(--text); }
.syllabus li { margin: 4px 0; }
.syllabus .plain { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--mist); font-weight: 600; color: var(--ink); }
.syllabus .plain .count { grid-column: 3; }
.bio { display: grid; grid-template-columns: 96px 1fr; gap: 20px; padding: 20px 0; border-top: 1px solid var(--mist); }
.bio img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; object-position: top; }
.bio h3 { margin: 0 0 2px; }
.bio .role { color: var(--leaf-dark); font-weight: 600; margin-bottom: 8px; }
.skills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; padding: 0; list-style: none; }
.skills li { font-size: .82rem; background: var(--paper); border: 1px solid var(--mist); padding: 4px 8px; border-radius: 4px; }
@media (max-width: 900px) {
  .course-grid { grid-template-columns: 1fr; }
  .buybox { position: static; }
}
@media (max-width: 520px) { .bio { grid-template-columns: 1fr; } }

/* 8 ─ checkout dialog ────────────────────────────────────── */
dialog.sheet { border: 0; border-radius: var(--radius-lg); padding: 0; width: min(480px, calc(100vw - 24px)); max-height: calc(100vh - 24px); color: var(--text); }
dialog.sheet::backdrop { background: rgba(19,49,79,.55); }
.sheet-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; padding: 22px 22px 0; }
.sheet-head h2 { font-size: 1.35rem; margin: 0; }
.sheet-head p { margin: 4px 0 0; color: var(--muted); font-size: .95rem; }
.close { background: none; border: 0; font-size: 1.6rem; line-height: 1; cursor: pointer; color: var(--muted); padding: 4px 8px; border-radius: var(--radius); }
.close:hover { background: var(--paper); }
.sheet-body { padding: 18px 22px 22px; }
.summary-line { display: flex; justify-content: space-between; gap: 12px; padding: 12px 14px; background: var(--paper); border-radius: var(--radius); margin-bottom: 18px; font-weight: 600; }
.summary-line b { font-family: var(--display); color: var(--ink); }
.done-icon { width: 56px; height: 56px; border-radius: 50%; background: #e8f5e9; display: grid; place-items: center; margin-bottom: 14px; }
.done-icon svg { width: 30px; height: 30px; stroke: var(--leaf); }
.stack { display: grid; gap: 10px; margin-top: 18px; }

/* 9 ─ simple pages ───────────────────────────────────────── */
.legal { padding: clamp(36px, 6vw, 64px) 0; }
.legal h2 { font-size: 1.3rem; margin-top: 32px; }
.legal p, .legal li { max-width: 72ch; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 6vw, 72px); align-items: start; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.contact-list b { display: block; color: var(--ink); font-family: var(--display); font-size: 1.05rem; }
.form-card { background: #fff; border: 1px solid var(--mist); border-radius: var(--radius-lg); padding: clamp(20px, 4vw, 32px); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.notfound { text-align: center; padding: 96px 0; }