/* Code Kshetra: graphite, amber, periwinkle and mint. Sora for headings, IBM Plex Sans for text, JetBrains Mono for
   code. Change the colours and fonts here; base.css reads these variables. */
:root {
  --bg: #14151B;
  --surface: #1C1E27;
  --soft: #232633;
  --ink: #ECEDF2;
  --muted: #A3A7B7;
  --line: #2C2F3B;
  --line-strong: #3B3F4E;
  --brand: #FFB547;
  --brand-hover: #FFC670;
  --brand-ink: #1A1C24;
  --brand-text: #FFB547;
  --peri: #8EA2FF;
  --mint: #5ED6A8;
  --eyebrow: #8EA2FF;
  --announce-bg: #8EA2FF;
  --announce-ink: #14151B;
  --head: "Sora", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --btn-radius: 8px;
  --wrap: 1200px;
  --gap: 22px;
  --menu-bg: #14151B;
  --input-bg: #14151B;
  color-scheme: dark;
}
h1, h2, h3 { font-weight: 600; letter-spacing: -.03em; }
h1 em { font-style: normal; color: var(--brand); }
.eyebrow { font-family: var(--mono); text-transform: none; letter-spacing: 0; }
.btn { font-weight: 600; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

/* header */
.header { background: rgba(20,21,27,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark { width: 38px; height: 38px; }
.logo span { font: 500 1.25rem var(--mono); color: var(--muted); }
.logo b { color: var(--ink); font-weight: 600; }

/* hero */
.hero { padding-block: clamp(32px, 5vw, 72px); background: radial-gradient(60% 70% at 85% 20%, rgba(142,162,255,.14), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4rem); line-height: 1.04; margin: 14px 0 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.term { border-radius: var(--radius-lg); background: #0E0F14; border: 1px solid var(--line-strong); box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); overflow: hidden; }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: var(--soft); border-bottom: 1px solid var(--line); font: .8rem var(--mono); color: var(--muted); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #FF6B6B; }
.term-bar i:nth-child(2) { background: var(--brand); }
.term-bar i:nth-child(3) { background: var(--mint); }
.term-bar span { margin-left: 8px; }
.term pre { margin: 0; padding: 18px; font: .92rem/1.75 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.term .c { color: var(--peri); }
.term .d { color: var(--muted); }
.term .ok { color: var(--mint); }
.term .u { color: var(--brand); text-decoration: underline; }
.term .cur { display: inline-block; width: .6em; height: 1.1em; vertical-align: -.2em; background: var(--brand); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .term .cur { animation: none; } }
.kpis { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin-top: clamp(32px, 5vw, 56px); background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
@media (max-width: 720px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.kpis li { display: grid; gap: 4px; padding: 18px; background: var(--surface); }
.kpis b { font: 600 clamp(1.5rem, 3vw, 2rem) var(--head); color: var(--brand); }
.kpis span { color: var(--muted); font-size: .92rem; }
.kpi-note { margin-top: 8px; font-size: .82rem; color: var(--muted); }

/* learning path */
.lp { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(20px, 4vw, 48px); align-items: start; }
@media (max-width: 900px) { .lp { grid-template-columns: minmax(0, 1fr); } }
.lp-in { display: grid; gap: 20px; position: sticky; top: 96px; }
@media (max-width: 900px) { .lp-in { position: static; } }
.lp-out { display: grid; gap: 16px; }
.lp-sum { font: 500 1.2rem var(--head); color: var(--muted); }
.lp-sum b { color: var(--ink); font-size: 1.6rem; }
.lp-sum b:first-child { color: var(--brand); font-size: 2.6rem; }
.lp-steps { list-style: none; display: grid; gap: 0; border-left: 2px solid var(--line-strong); margin-left: 8px; }
.lp-steps li { position: relative; padding: 0 0 18px 24px; }
.lp-steps li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--peri); }
.lp-steps li:last-child::before { background: var(--brand); border-color: var(--brand); }
.lp-steps h3 { font-size: 1.05rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; }
.lp-steps h3 small { font: 400 .82rem var(--mono); color: var(--muted); }
.lp-steps p { color: var(--muted); font-size: .94rem; }
.lp-steps p b { color: var(--mint); font-weight: 500; }
.lp-fee { padding: 14px 16px; border-radius: var(--radius); background: var(--soft); }

/* inner pages */
.page-head { margin-bottom: clamp(24px, 4vw, 40px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }

/* CTA + footer */
.cta-band { padding-block: clamp(44px, 6vw, 80px); background: var(--peri); color: #14151B; }
.cta-band .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 22px; }
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
.cta-band p { margin-top: 6px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn-primary { background: #14151B; color: var(--brand); }
.cta-band .btn-ghost { color: #14151B; border-color: #14151B; }
.footer { background: #0E0F14; color: var(--muted); --footer-line: var(--line); border-top: 1px solid var(--line); }
.footer h2 { color: var(--ink); }
.f-about { margin-top: 12px; max-width: 34ch; }
.footer .credit a { color: var(--ink); }