/* RAD Techno Academy — Jaipur
   Layout concept: a night-sky "observatory" band (hero) like Jaipur's Jantar Mantar dials,
   then calm paper sections; marigold marks every action, indigo carries the text. */
:root {
  --bg: #fbf8f6;
  --surface: #ffffff;
  --surface-2: #f3eee9;
  --ink: #1c2140;
  --ink-2: #4c5069;
  --line: #e3dcd5;
  --accent: #d0831a;
  --accent-ink: #8f5207;
  --on-accent: #1d1406;
  --rose: #a9475f;
  --band-bg: #171b38;
  --band-fg: #f2ede7;
  --band-fg-2: #b9b7cb;
  --band-line: rgba(242, 237, 231, .16);
  --ok: #2f7a4a;
  --warn: #9a5b00;
  --shadow: 0 1px 2px rgba(28, 33, 64, .06), 0 8px 24px rgba(28, 33, 64, .08);

  --f-display: "Marcellus", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --f-body: "Mukta", "Noto Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: .875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);
  --step-4: clamp(2.2rem, 1.5rem + 3.2vw, 3.6rem);
  --radius: 10px;
  --wrap: 1180px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11142a; --surface: #181c38; --surface-2: #1f2444; --ink: #ece7e1; --ink-2: #b4b1c4;
    --line: #2d3256; --accent: #f0aa45; --accent-ink: #f3bb68; --on-accent: #1d1406; --rose: #e28ea3;
    --band-bg: #0b0e22; --band-fg: #f2ede7; --band-fg-2: #b9b7cb; --band-line: rgba(242, 237, 231, .14);
    --ok: #6cc08a; --warn: #f0b860; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 28px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #11142a; --surface: #181c38; --surface-2: #1f2444; --ink: #ece7e1; --ink-2: #b4b1c4;
  --line: #2d3256; --accent: #f0aa45; --accent-ink: #f3bb68; --on-accent: #1d1406; --rose: #e28ea3;
  --band-bg: #0b0e22; --band-fg: #f2ede7; --band-fg-2: #b9b7cb; --band-line: rgba(242, 237, 231, .14);
  --ok: #6cc08a; --warn: #f0b860; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 10px 28px rgba(0,0,0,.35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: var(--step-0); line-height: 1.6;
  padding-bottom: 72px;
}
@media (min-width: 900px) { body { padding-bottom: 0; } }
img { max-width: 100%; height: auto; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.15; text-wrap: balance; margin: 0; letter-spacing: .005em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); font-family: var(--f-body); font-weight: 700; letter-spacing: 0; }
p { margin: 0; }
.mono { font-family: var(--f-mono); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--on-accent); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 16px; }

.wrap {
  max-width: var(--wrap); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 700px) { .wrap { padding-left: max(28px, env(safe-area-inset-left, 0px)); padding-right: max(28px, env(safe-area-inset-right, 0px)); } }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 40;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex: none; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-name { font-family: var(--f-display); font-size: 1.3rem; line-height: 1; display: block; }
.brand-sub { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); display: block; margin-top: 3px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--ink); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-weight: 500; font-size: .98rem; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--surface-2); }
.nav .btn { margin-left: 6px; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 12px; font: inherit; font-weight: 600; cursor: pointer; }
@media (max-width: 1099px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch;
    background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .nav .btn { margin: 8px 0 0; justify-content: center; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700; font-size: 1rem; line-height: 1.2;
  padding: 12px 20px; border-radius: 999px; border: 1.5px solid transparent;
  text-decoration: none; cursor: pointer; transition: transform .12s ease, background .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 86%, var(--ink)); color: var(--on-accent); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.band .btn-ghost { color: var(--band-fg); border-color: var(--band-line); }
.band .btn-ghost:hover { border-color: var(--band-fg); color: var(--band-fg); }
.btn-sm { padding: 8px 14px; font-size: .92rem; }
.btn-block { width: 100%; }

/* ---------- Night band (hero + CTA) ---------- */
.band { background: var(--band-bg); color: var(--band-fg); position: relative; overflow: hidden; isolation: isolate; }
.band a:not(.btn) { color: var(--band-fg); }
.dial {
  position: absolute; z-index: -1; width: min(780px, 120vw); aspect-ratio: 1; border-radius: 50%;
  right: -22%; top: -38%; pointer-events: none; opacity: .55;
  background:
    repeating-conic-gradient(from -90deg, var(--band-line) 0 .35deg, transparent .35deg 3deg),
    repeating-conic-gradient(from -90deg, rgba(240,170,69,.55) 0 .5deg, transparent .5deg 15deg);
  -webkit-mask: radial-gradient(circle, transparent 0 57%, #000 57.3% 61%, transparent 61.3% 66%, #000 66.3% 67.2%, transparent 67.5%);
          mask: radial-gradient(circle, transparent 0 57%, #000 57.3% 61%, transparent 61.3% 66%, #000 66.3% 67.2%, transparent 67.5%);
}
.dial-labels { position: absolute; z-index: -1; right: 4%; top: 22px; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; color: var(--band-fg-2); opacity: .7; }
.hero { padding-block: 48px 56px; }
@media (min-width: 900px) { .hero { padding-block: 72px 80px; } }
.hero-grid { display: grid; gap: 36px; align-items: start; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; } }
.eyebrow { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); }
.band .eyebrow { color: var(--accent); }
.hero h1 { margin-top: 14px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: var(--step-1); line-height: 1.5; color: var(--ink-2); margin-top: 18px; max-width: 38em; }
.band .lead { color: var(--band-fg-2); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 34px; border: 1px solid var(--band-line); border-radius: var(--radius); overflow: hidden; background: var(--band-line); }
@media (min-width: 640px) { .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.fact { background: var(--band-bg); padding: 14px 16px; min-width: 0; }
.fact b { display: block; font-family: var(--f-display); font-weight: 400; font-size: 1.45rem; color: var(--band-fg); line-height: 1.1; }
.fact span { display: block; font-size: .84rem; color: var(--band-fg-2); margin-top: 4px; line-height: 1.35; }
.crumbs { font-size: .86rem; color: var(--band-fg-2); margin-bottom: 18px; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--band-fg-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding: 0; list-style: none; }
.chips li { font-size: .88rem; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--band-line); color: var(--band-fg); }

/* ---------- Form card ---------- */
.form-card {
  background: var(--surface); color: var(--ink); border-radius: 14px; padding: 22px;
  box-shadow: var(--shadow); border: 1px solid var(--line); min-width: 0;
}
.form-card h2 { font-size: 1.55rem; }
.form-card .sub { color: var(--ink-2); font-size: .95rem; margin-top: 6px; }
.form-card .tick { height: 3px; width: 56px; background: var(--accent); border-radius: 2px; margin-bottom: 14px; }
.lead-form { display: grid; gap: 12px; margin-top: 16px; }
.field { display: grid; gap: 5px; min-width: 0; }
.field label { font-size: .88rem; font-weight: 600; }
.field input, .field select {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 8px; padding: 11px 12px; min-height: 46px;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.field-row { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 480px) { .field-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-row label { display: inline-flex; align-items: center; gap: 6px; border: 1.5px solid var(--line); border-radius: 999px; padding: 7px 12px; font-weight: 500; font-size: .92rem; cursor: pointer; }
.radio-row input { accent-color: var(--accent); }
.radio-row label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.form-note { font-size: .8rem; color: var(--ink-2); }
.form-error { color: var(--rose); font-size: .88rem; font-weight: 600; }
.hp { position: absolute; left: -5000px; }

/* ---------- Sections ---------- */
.section { padding-block: 56px; }
@media (min-width: 900px) { .section { padding-block: 84px; } }
.section.alt { background: var(--surface-2); }
.section-head { max-width: 46em; display: grid; gap: 12px; margin-bottom: 32px; }
.section-head p { color: var(--ink-2); font-size: 1.08rem; }

.course-grid { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) { .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .course-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.course-card {
  display: flex; flex-direction: column; gap: 12px; padding: 22px; min-width: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  text-decoration: none; color: var(--ink); position: relative;
}
.course-card:hover { border-color: var(--accent); }
.course-card .glyph { font-family: var(--f-mono); font-size: .76rem; letter-spacing: .12em; color: var(--accent-ink); text-transform: uppercase; }
.course-card h3 { font-family: var(--f-display); font-weight: 400; font-size: 1.6rem; }
.course-card p { color: var(--ink-2); font-size: .98rem; }
.course-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: .95rem; }
.course-card li { padding-left: 16px; position: relative; }
.course-card li::before { content: ""; position: absolute; left: 0; top: .7em; width: 7px; height: 1.5px; background: var(--accent); }
.course-card .more { margin-top: auto; padding-top: 6px; font-weight: 700; color: var(--accent-ink); }

.split { display: grid; gap: 32px; align-items: start; }
@media (min-width: 900px) { .split { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; } }

.trainer { display: grid; gap: 28px; align-items: center; }
@media (min-width: 800px) { .trainer { grid-template-columns: 260px minmax(0, 1fr); gap: 48px; } }
.portrait {
  aspect-ratio: 4 / 5; max-width: 260px; width: 100%; border-radius: 14px; background: var(--band-bg); color: var(--band-fg);
  display: grid; place-items: center; position: relative; overflow: hidden; isolation: isolate;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait .mono-initials { font-family: var(--f-display); font-size: 4.5rem; color: var(--accent); }
.portrait .dial { right: -40%; top: -10%; width: 180%; opacity: .5; }
.creds { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.creds li { font-size: .88rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); }
.section.alt .creds li { background: var(--surface); }
.prose-block { display: grid; gap: 14px; max-width: 40em; }
.prose-block p { color: var(--ink-2); }

.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 700px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.steps li { counter-increment: s; padding: 20px; border-top: 2px solid var(--accent); background: var(--surface); border-radius: 0 0 var(--radius) var(--radius); min-width: 0; }
.steps li::before { content: counter(s, decimal-leading-zero); font-family: var(--f-mono); font-size: .8rem; color: var(--accent-ink); letter-spacing: .1em; }
.steps h3 { margin-top: 8px; }
.steps p { color: var(--ink-2); font-size: .97rem; margin-top: 6px; }

/* Program cards on course pages */
.programs { display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 760px) { .programs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .programs.three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.program { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.program .level { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); }
.program h3 { font-family: var(--f-display); font-weight: 400; font-size: 1.5rem; }
.program .who { color: var(--ink-2); font-size: .97rem; }
.program ul { margin: 0; padding-left: 18px; display: grid; gap: 5px; font-size: .96rem; }
.program ul li::marker { color: var(--accent); }
.program .actions { margin-top: auto; padding-top: 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.program.feature { border-color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }

.meta-table { width: 100%; border-collapse: collapse; font-size: .97rem; }
.meta-table th, .meta-table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.meta-table th { width: 34%; font-weight: 600; color: var(--ink-2); }
.table-scroll { overflow-x: auto; }

/* Accordions / FAQ */
.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary { cursor: pointer; list-style: none; padding: 16px 36px 16px 0; font-weight: 700; position: relative; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; position: absolute; right: 6px; top: 12px; font-family: var(--f-mono); font-size: 1.3rem; color: var(--accent-ink); }
.acc details[open] summary::after { content: "−"; }
.acc .body { padding: 0 0 18px; color: var(--ink-2); display: grid; gap: 10px; }
.acc .body ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; }

.audience { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); list-style: none; padding: 0; margin: 0; }
@media (min-width: 700px) { .audience { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.audience li { padding: 16px 18px; border-left: 3px solid var(--accent); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; min-width: 0; }
.audience b { display: block; }
.audience span { color: var(--ink-2); font-size: .96rem; }

.notice { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 16px 18px; font-size: .92rem; color: var(--ink-2); }
.notice b { color: var(--ink); }

.cta-band { padding-block: 56px; }
.cta-band .wrap { display: grid; gap: 22px; align-items: center; }
@media (min-width: 900px) { .cta-band .wrap { grid-template-columns: minmax(0, 1.4fr) auto; } }
.cta-band h2 { color: var(--band-fg); }
.cta-band p { color: var(--band-fg-2); margin-top: 10px; }
.cta-band .row { display: flex; flex-wrap: wrap; gap: 12px; }

.visit { display: grid; gap: 18px; }
@media (min-width: 800px) { .visit { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.visit > div { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); min-width: 0; overflow-wrap: anywhere; }
.visit .k { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); }
.visit .v { font-size: 1.1rem; font-weight: 600; margin-top: 6px; }
.visit .v a { color: var(--ink); }

/* Articles + policies */
.page-head { padding-block: 44px 40px; }
.page-head h1 { font-size: var(--step-3); margin-top: 10px; }
.page-head .lead { margin-top: 12px; }
.prose { max-width: 44em; display: grid; gap: 16px; }
.prose h2 { font-size: var(--step-2); margin-top: 18px; }
.prose h3 { margin-top: 8px; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul, .prose ol { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.prose strong { color: var(--ink); }
.prose table { border-collapse: collapse; width: 100%; font-size: .96rem; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 9px 10px; text-align: left; }
.prose th { color: var(--ink); }
mark.fill { background: color-mix(in srgb, var(--accent) 28%, transparent); color: var(--ink); padding: 0 4px; border-radius: 3px; }
.post-list { display: grid; gap: 16px; }
.post { display: block; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); }
.post:hover { border-color: var(--accent); }
.post .k { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); }
.post h2 { font-size: 1.5rem; margin-top: 8px; }
.post p { color: var(--ink-2); margin-top: 8px; }

/* Numerology tool */
.tool { display: grid; gap: 24px; }
@media (min-width: 900px) { .tool { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; } }
.results { display: grid; gap: 14px; }
.result { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 18px; align-items: center; }
.result .num { grid-row: span 2; font-family: var(--f-display); font-size: 3rem; line-height: 1; color: var(--accent-ink); min-width: 1.4em; text-align: center; }
.result .lbl { font-family: var(--f-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.result .txt { font-size: .98rem; }
.result .txt b { color: var(--ink); }
.example-tag { font-size: .8rem; color: var(--ink-2); }

/* ---------- Footer ---------- */
.site-footer { background: var(--band-bg); color: var(--band-fg-2); padding-block: 48px 28px; font-size: .95rem; }
.site-footer a { color: var(--band-fg); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.foot-grid { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 700px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.foot-grid h3 { font-family: var(--f-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 12px; }
.foot-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.site-footer .brand { color: var(--band-fg); }
.site-footer .brand-sub { color: var(--band-fg-2); }
.foot-note { border-top: 1px solid var(--band-line); margin-top: 36px; padding-top: 20px; display: grid; gap: 10px; font-size: .84rem; }

/* ---------- Mobile action bar + WhatsApp float ---------- */
.action-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 8px;
  padding: 8px max(12px, env(safe-area-inset-right, 0px)) calc(8px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
  background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -6px 18px rgba(0,0,0,.08);
}
.action-bar a { text-align: center; font-weight: 700; font-size: .95rem; padding: 11px 6px; border-radius: 10px; text-decoration: none; border: 1.5px solid var(--line); color: var(--ink); }
.action-bar a.go { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
@media (min-width: 900px) { .action-bar { display: none; } }
.wa-float {
  display: none; position: fixed; z-index: 50;
  right: calc(22px + env(safe-area-inset-right, 0px)); bottom: calc(22px + env(safe-area-inset-bottom, 0px));
  align-items: center; gap: 8px; padding: 12px 18px 12px 14px; border-radius: 999px;
  background: #1f8f4e; color: #fff; text-decoration: none; font-weight: 700; box-shadow: var(--shadow);
}
.wa-float:hover { color: #fff; background: #187a42; }
@media (min-width: 900px) { .wa-float { display: inline-flex; } }
.wa-float svg { width: 22px; height: 22px; }

.center { text-align: center; }
.mt-s { margin-top: 12px; } .mt-m { margin-top: 24px; } .mt-l { margin-top: 40px; }
.muted { color: var(--ink-2); }

@media (max-width: 699px) {
  .dial-labels { display: none; }
  .dial { opacity: .3; }
}

/* Logo (RAD Techno Academy): original on light headers, reverse on dark ones */
.brand-logo { display: block; height: 46px; width: auto; }
.site-header .brand-logo.on-dark { display: none; }
@media (max-width: 480px) { .site-header .brand-logo { height: 40px; } }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .site-header .brand-logo.on-light { display: none; }
  :root:not([data-theme="light"]) .site-header .brand-logo.on-dark { display: block; }
}
:root[data-theme="dark"] .site-header .brand-logo.on-light { display: none; }
:root[data-theme="dark"] .site-header .brand-logo.on-dark { display: block; }
body.world-astro .site-header .brand-logo.on-light, body.world-galaxy .site-header .brand-logo.on-light, body.world-stock .site-header .brand-logo.on-light { display: none; }
body.world-astro .site-header .brand-logo.on-dark, body.world-galaxy .site-header .brand-logo.on-dark, body.world-stock .site-header .brand-logo.on-dark { display: block; }
.site-footer .brand-logo { height: 58px; }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--on-accent); }