:root {
  --bg: #0a0f0d;
  --surface: #111815;
  --surface-2: #16201c;
  --line: #27322d;
  --text: #f4f1e8;
  --muted: #9ba8a1;
  --green: #5ee2ad;
  --green-dark: #173b2d;
  --lime: #c9f787;
  --orange: #ff9d68;
  --max: 1280px;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", "Segoe UI", sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", "SF Mono", ui-monospace, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; overflow-x: hidden; background: var(--bg); color: var(--text); font: 400 17px/1.62 var(--font-sans); letter-spacing: -.014em; text-rendering: optimizeLegibility; }
button, a { font: inherit; }
a { color: inherit; }
button { color: inherit; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; transform: translateY(-150%); padding: 10px 14px; background: var(--text); color: var(--bg); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 100; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 12px max(24px, calc((100vw - var(--max))/2)); background: rgba(10,15,13,.9); border-bottom: 1px solid rgba(94,226,173,.15); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-family: var(--font-display); font-size: 17px; font-weight: 650; letter-spacing: -.025em; }
.brand strong { color: var(--green); }
.brand-logo { width: 42px; height: 42px; display: block; object-fit: contain; }
.brand-wordmark { white-space: nowrap; }
.brand-mark { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 10px; background: var(--green); color: #07100c; font-family: var(--font-mono); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.mini-progress { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.mini-progress-track { width: 86px; height: 4px; overflow: hidden; background: var(--line); border-radius: 10px; }
.mini-progress-track span { display: block; width: 0; height: 100%; background: var(--green); transition: width .3s ease; }
.menu-button { border: 1px solid var(--line); border-radius: 12px; background: rgba(17,24,21,.86); padding: 11px 15px; cursor: pointer; font-size: 16px; font-weight: 650; letter-spacing: -.01em; }
.menu-button span { margin-left: 6px; color: var(--green); font-family: var(--font-mono); }
.hero { max-width: var(--max); min-height: 690px; margin: auto; padding: 92px 24px 72px; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(40px, 7vw, 96px); align-items: center; }
.hero-visual { position: relative; min-height: 540px; margin: 0; overflow: hidden; border: 1px solid rgba(94,226,173,.28); border-radius: 28px; background: #020806; box-shadow: 0 32px 90px rgba(0,0,0,.4), 0 0 70px rgba(32,216,143,.08); isolation: isolate; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(2,8,6,.84) 100%); pointer-events: none; }
.hero-visual img { width: 100%; height: 100%; min-height: 540px; display: block; object-fit: cover; }
.hero-visual-badge { position: absolute; z-index: 2; top: 18px; left: 18px; display: flex; align-items: center; gap: 9px; padding: 9px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; background: rgba(4,13,9,.72); backdrop-filter: blur(18px); color: #c8f8e4; font: 600 11px/1 var(--font-mono); letter-spacing: .08em; }
.hero-visual-badge i { color: #ff7657; font-style: normal; }
.hero-visual figcaption { position: absolute; z-index: 2; right: 22px; bottom: 22px; left: 22px; display: flex; justify-content: space-between; gap: 14px; align-items: flex-end; }
.hero-visual figcaption strong { font-family: var(--font-display); font-size: 18px; letter-spacing: -.025em; }
.hero-visual figcaption span { color: #c5d3cc; font-size: 14px; }
.eyebrow { margin: 0 0 18px; color: var(--green); font: 600 13px/1.4 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(94,226,173,.1); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.06; letter-spacing: -.045em; font-weight: 700; }
h1 { max-width: 760px; margin: 0; font-size: clamp(48px, 6.4vw, 88px); }
h1 em { color: var(--green); font-style: normal; }
.hero-lede { max-width: 680px; margin: 28px 0; color: #cbd4cf; font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 50px; padding: 13px 20px; border-radius: 13px; text-decoration: none; font-weight: 650; letter-spacing: -.015em; }
.button-primary { background: var(--green); color: #07100c; }
.button-primary:hover { background: var(--lime); }
.button-secondary { border: 1px solid var(--line); background: var(--surface); }
.hero-note { max-width: 620px; margin-top: 20px; color: var(--muted); font-size: 13px; }
.system-card { position: relative; padding: 24px; overflow: hidden; border: 1px solid #355045; border-radius: 22px; background: linear-gradient(145deg, #14231d, #0e1512); box-shadow: 0 40px 100px rgba(0,0,0,.35); }
.system-card::before { content: ""; position: absolute; inset: -30% auto auto 45%; width: 260px; height: 260px; background: rgba(94,226,173,.13); filter: blur(60px); border-radius: 50%; }
.system-card-head { position: relative; display: flex; justify-content: space-between; align-items: center; margin-bottom: 38px; color: var(--muted); font: 500 10px var(--font-mono); letter-spacing: .12em; }
.live-pill { padding: 6px 8px; color: var(--green); border: 1px solid rgba(94,226,173,.25); border-radius: 100px; }
.mama-node { position: relative; padding: 20px; border: 1px solid rgba(94,226,173,.5); border-radius: 14px; background: rgba(94,226,173,.08); }
.node-kicker { display: block; color: var(--green); font: 600 11px var(--font-mono); letter-spacing: .12em; }
.mama-node strong { display: block; margin: 5px 0 2px; font: 600 24px var(--font-display); }
.mama-node small { color: var(--muted); }
.connector { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin: 22px 8px; color: var(--muted); font: 500 11px var(--font-mono); text-transform: uppercase; }
.connector span { height: 1px; background: var(--line); }
.satellite-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.satellite-grid span { min-height: 48px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--muted); font: 500 12px var(--font-mono); }
.system-card > p { margin: 20px 0 0; color: var(--muted); font-size: 13px; }
.proof-strip { max-width: var(--max); margin: 0 auto; padding: 0 24px 90px; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-strip div { display: flex; align-items: baseline; gap: 10px; padding: 22px; border: 1px solid var(--line); border-right: 0; }
.proof-strip div:first-child { border-radius: 14px 0 0 14px; }
.proof-strip div:last-child { border-right: 1px solid var(--line); border-radius: 0 14px 14px 0; }
.proof-strip strong { color: var(--green); font: 700 30px var(--font-display); }
.proof-strip span { color: var(--muted); font-size: 14px; }
.join-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(36px, 7vw, 100px); align-items: center; border-top: 1px solid var(--line); }
.join-copy h2 { margin: 0 0 22px; font-size: clamp(40px, 5vw, 64px); }
.join-copy > p:not(.eyebrow) { max-width: 600px; color: #b9c5bf; font-size: 18px; line-height: 1.65; }
.join-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.join-trust span { padding: 8px 11px; border: 1px solid #314139; border-radius: 999px; color: #c8d2cd; font-size: 12px; }
.payment-options { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.payment-card { position: relative; min-height: 280px; display: flex; flex-direction: column; padding: 26px; overflow: hidden; border: 1px solid #34463d; border-radius: 20px; background: linear-gradient(145deg, #151f1a, #0d1411); color: var(--text); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.payment-card::after { content: ""; position: absolute; width: 170px; height: 170px; right: -70px; top: -70px; border-radius: 50%; background: var(--payment-glow); filter: blur(35px); opacity: .3; }
.payment-card:hover { transform: translateY(-4px); border-color: var(--green); }
.payment-card.stripe { --payment-glow: #7367ff; }
.payment-card.paypal { --payment-glow: #169bd7; }
.payment-card > span { color: var(--green); font: 700 10px var(--font-mono); letter-spacing: .11em; }
.payment-card strong { margin: 18px 0 12px; font: 700 34px var(--font-display); letter-spacing: -.04em; }
.payment-card small { max-width: 220px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.payment-card b { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); font-size: 14px; }
.payment-card b i { color: var(--green); font-style: normal; }
.section { max-width: var(--max); margin: auto; padding: 96px 24px; }
.network-explainer { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(40px, 7vw, 100px); align-items: center; border-top: 1px solid var(--line); }
.compact-heading { margin: 0; }
.compact-heading h2 { font-size: clamp(40px, 4.4vw, 62px); }
.network-scheme { position: relative; min-height: 480px; display: grid; grid-template-columns: minmax(190px, .8fr) 90px minmax(280px, 1.2fr); align-items: center; padding: 34px; overflow: hidden; border: 1px solid #355045; border-radius: 24px; background: radial-gradient(circle at 15% 50%, rgba(94,226,173,.14), transparent 35%), linear-gradient(145deg, #14211c, #0d1411); }
.network-scheme::after { content: ""; position: absolute; inset: 14px; border: 1px solid rgba(255,255,255,.025); border-radius: 18px; pointer-events: none; }
.scheme-source { position: relative; z-index: 1; padding: 24px; border: 1px solid rgba(94,226,173,.5); border-radius: 18px; background: rgba(94,226,173,.09); box-shadow: 0 22px 70px rgba(0,0,0,.28); }
.scheme-source small, .scheme-site small { color: var(--green); font: 600 10px var(--font-mono); letter-spacing: .08em; }
.scheme-source strong, .scheme-site strong { display: block; margin: 10px 0 5px; font: 600 20px/1.2 var(--font-display); letter-spacing: -.025em; }
.scheme-source p, .scheme-site span { margin: 0; color: var(--muted); font-size: 13px; }
.scheme-icon { width: 54px; height: 48px; display: grid; align-content: center; margin-bottom: 28px; }
.scheme-icon i { display: block; width: 48px; height: 12px; margin-top: -3px; border: 2px solid var(--green); border-radius: 50%; background: #173b2d; }
.scheme-bridge { display: grid; align-items: center; justify-items: center; color: var(--muted); font: 600 9px var(--font-mono); letter-spacing: .08em; }
.scheme-bridge span { width: 100%; height: 1px; background: linear-gradient(90deg, rgba(94,226,173,.2), var(--green)); }
.scheme-bridge b { margin: 8px 0; color: var(--green); font-weight: 600; }
.scheme-sites { display: grid; gap: 12px; }
.scheme-site { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(17,24,21,.92); }
.scheme-site.mama { border-color: rgba(94,226,173,.34); }
.satellite-stack { display: grid; grid-template-columns: 1fr 1fr .65fr; gap: 9px; }
.satellite-stack .scheme-site strong { font-size: 15px; }
.satellite-stack .scheme-site { min-height: 126px; }
.scheme-site.more { display: grid; place-content: center; text-align: center; }
.scheme-site.more strong { color: var(--green); font-size: 28px; }
.scheme-legend { grid-column: 2; display: flex; flex-wrap: wrap; gap: 24px; margin-top: -68px; color: var(--muted); font-size: 13px; }
.scheme-legend span { display: flex; align-items: center; gap: 7px; }
.scheme-legend i { width: 9px; height: 9px; border-radius: 50%; }
.scheme-legend .shared { background: var(--green); box-shadow: 0 0 0 4px rgba(94,226,173,.1); }
.scheme-legend .distinct { border: 2px solid #7e8a84; }
.scheme-legend b { color: var(--text); }
.case-study { border-top: 1px solid var(--line); }
.case-study-heading { max-width: none; display: grid; grid-template-columns: 1fr .7fr; gap: 80px; align-items: end; }
.case-study-heading > p { margin: 0 0 8px; color: var(--muted); font-size: 17px; line-height: 1.65; }
.site-showcase { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.site-shot { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); color: var(--text); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.site-shot:hover { transform: translateY(-4px); border-color: #4a685a; }
.site-shot > img { width: 100%; aspect-ratio: 1.42/1; display: block; object-fit: cover; object-position: top; border-bottom: 1px solid var(--line); background: #0a100d; }
.site-shot > span { min-height: 142px; display: flex; flex-direction: column; padding: 16px; }
.site-shot b { font: 650 17px/1.25 var(--font-display); letter-spacing: -.025em; }
.site-shot small { margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.site-shot i { margin-top: auto; padding-top: 16px; color: var(--green); font: 500 10px var(--font-mono); font-style: normal; overflow-wrap: anywhere; }
.orientation { border-top: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading h2 { margin: 0 0 18px; font-size: clamp(36px, 5vw, 58px); }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; }
.phase-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 0; list-style: none; }
.phase-grid li { position: relative; min-height: 228px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.phase-grid li:not(:last-child)::after { content: "→"; position: absolute; z-index: 2; top: 24px; right: -12px; width: 23px; height: 23px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--bg); color: var(--green); font-size: 12px; }
.phase-grid li:hover { border-color: #3e5c4f; transform: translateY(-2px); }
.phase-grid span { color: var(--green); font: 600 13px var(--font-mono); }
.phase-grid strong { display: block; margin-top: 28px; font: 650 23px var(--font-display); }
.phase-grid small { color: var(--orange); font: 500 12px var(--font-mono); text-transform: uppercase; }
.phase-grid p { margin-top: 24px; color: #b3beb8; font-size: 15px; line-height: 1.55; }
.course-shell { max-width: none; display: grid; grid-template-columns: minmax(310px, 370px) minmax(0, 860px); justify-content: center; gap: 58px; background: #0d1311; border-block: 1px solid var(--line); }
.course-sidebar { align-self: start; position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; padding-right: 8px; scrollbar-width: none; -ms-overflow-style: none; }
.course-sidebar::-webkit-scrollbar, .mobile-nav::-webkit-scrollbar { display: none; }
.sidebar-head { padding: 20px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.sidebar-head h2 { margin: 0 0 18px; font-size: 27px; }
.sidebar-progress { color: #b4c0ba; font-size: 14px; }
.sidebar-progress > span:last-child { display: block; height: 5px; margin-top: 8px; overflow: hidden; border-radius: 10px; background: var(--line); }
.sidebar-progress i { display: block; width: 0; height: 100%; background: var(--green); transition: width .3s ease; }
.lesson-list { display: grid; gap: 4px; margin-top: 12px; }
.lesson-group-label { margin: 18px 13px 5px; color: #718079; font: 700 10px/1.2 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; }
.lesson-group-label:first-child { margin-top: 8px; }
.lesson-nav-item { width: 100%; min-height: 66px; display: grid; grid-template-columns: 48px 1fr 22px; gap: 12px; align-items: center; padding: 9px 11px; border: 0; border-radius: 13px; background: transparent; color: #aeb9b3; text-align: left; cursor: pointer; }
.lesson-nav-item:hover, .lesson-nav-item.active { background: var(--surface-2); color: var(--text); }
.lesson-nav-item.active { box-shadow: inset 0 0 0 1px rgba(94,226,173,.15); }
.lesson-thumb { position: relative; width: 48px; height: 48px; overflow: hidden; border: 1px solid #34433c; border-radius: 10px; background: #0a100d; }
.lesson-thumb img { width: 100%; height: 100%; display: block; object-fit: cover; }
.lesson-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(3,8,6,.8)); }
.lesson-thumb i { position: absolute; z-index: 1; left: 6px; bottom: 4px; color: #e8fff5; font: 700 9px var(--font-mono); font-style: normal; }
.lesson-nav-item.active .lesson-thumb { border-color: var(--green); box-shadow: 0 0 0 3px rgba(94,226,173,.07); }
.lesson-title { font-size: 16px; font-weight: 600; line-height: 1.38; letter-spacing: -.018em; }
.lesson-check { width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid #52615a; border-radius: 50%; font-size: 11px; }
.lesson-nav-item.complete .lesson-check { border-color: var(--green); background: var(--green); color: var(--bg); }
.resource-link { display: flex; justify-content: space-between; margin-top: 12px; padding: 16px 13px; border-top: 1px solid var(--line); color: var(--green); text-decoration: none; font-size: 15px; font-weight: 600; }
.lesson-stage { min-height: 900px; }
.lesson-meta { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 20px; color: #aeb9b3; font: 600 13px var(--font-mono); text-transform: uppercase; }
.lesson-stage h2 { max-width: 720px; margin: 0 0 28px; font-size: clamp(40px, 5.6vw, 66px); }
.video-shell { aspect-ratio: 16/9; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #000; }
.video-shell iframe { width: 100%; height: 100%; border: 0; }
.lesson-image-hero { position: relative; height: clamp(190px, 28vw, 290px); margin: 0 0 18px; overflow: hidden; border: 1px solid #304139; border-radius: 20px; background: #07100c; }
.lesson-image-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 25%, rgba(3,8,6,.78) 100%), linear-gradient(90deg, rgba(4,12,8,.4), transparent 50%); }
.lesson-image-hero img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: var(--focus) center; filter: saturate(.9) contrast(1.05); }
.lesson-image-hero figcaption { position: absolute; z-index: 1; right: 18px; bottom: 16px; left: 18px; display: flex; align-items: center; justify-content: space-between; }
.lesson-image-hero figcaption span { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; background: rgba(5,13,9,.55); backdrop-filter: blur(12px); color: var(--green); font: 700 11px var(--font-mono); }
.lesson-image-hero figcaption b { color: #dce6e0; font: 700 11px var(--font-mono); letter-spacing: .11em; text-transform: uppercase; }
.lesson-visual, .master-recap { margin: 0; padding: clamp(22px, 4vw, 36px); border: 1px solid #355045; border-radius: 20px; background: radial-gradient(circle at 12% 0, rgba(94,226,173,.13), transparent 34%), linear-gradient(145deg, #14211c, #0c1310); box-shadow: 0 26px 70px rgba(0,0,0,.22); }
.lesson-visual figcaption { display: grid; gap: 6px; margin-bottom: 28px; }
.lesson-visual figcaption > span, .master-recap > span { color: var(--green); font: 700 11px var(--font-mono); letter-spacing: .12em; }
.lesson-visual figcaption strong { font: 700 clamp(24px, 3vw, 36px)/1.1 var(--font-display); letter-spacing: -.04em; }
.lesson-visual figcaption strong i { color: var(--green); font-style: normal; }
.lesson-visual figcaption small { color: var(--muted); font-size: 13px; }
.master-recap > div { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 26px; }
.master-recap b { min-height: 120px; display: flex; flex-direction: column; justify-content: space-between; padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: rgba(8,14,11,.7); font: 650 14px/1.35 var(--font-display); }
.master-recap i { color: var(--green); font: 600 11px var(--font-mono); }
.cost-chart > div { display: grid; gap: 12px; }
.cost-row { display: grid; grid-template-columns: 128px 1fr 64px; gap: 14px; align-items: center; }
.cost-row span { color: #c7d0cb; font-size: 13px; }
.cost-row > i { height: 8px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.07); }
.cost-row > i::after { content: ""; display: block; width: var(--bar); height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--lime)); }
.cost-row b { color: #e7ece9; font: 600 12px var(--font-mono); text-align: right; }
.stack-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
.stack-flow > div { min-height: 112px; display: grid; align-content: space-between; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: rgba(8,14,11,.72); }
.stack-flow i { color: var(--green); font: 600 11px var(--font-mono); }
.stack-flow b { font: 650 16px/1.25 var(--font-display); }
.stack-flow > span { color: var(--green); }
.stack-map > p { margin: 18px 0 0; color: var(--muted); font-size: 13px; text-align: center; }
.comparison-head, .comparison-row { display: grid; grid-template-columns: 1fr minmax(130px, .55fr) 1fr; gap: 12px; align-items: center; }
.comparison-head { margin-bottom: 14px; color: var(--muted); font: 600 11px var(--font-mono); text-align: center; }
.comparison-head b:first-child { color: var(--green); text-align: right; }
.comparison-head b:last-child { color: var(--orange); text-align: left; }
.comparison-row { margin: 10px 0; }
.comparison-row > span { color: #c7d0cb; font-size: 12px; text-align: center; }
.compare-bar { height: 10px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.06); }
.compare-bar i { display: block; width: var(--bar); height: 100%; border-radius: inherit; }
.compare-bar.left { display: flex; justify-content: flex-end; }
.compare-bar.left i { background: linear-gradient(90deg, #2ca878, var(--green)); }
.compare-bar.right i { background: linear-gradient(90deg, var(--orange), #ffd17a); }
.money-path-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: stretch; }
.money-path-grid > article { min-width: 0; min-height: 174px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 14px; padding: 18px; border: 1px solid #31463d; border-radius: 15px; background: linear-gradient(155deg, rgba(25,41,34,.92), rgba(7,14,11,.86)); }
.money-path-grid > article > span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(94,226,173,.35); border-radius: 50%; color: var(--green); font: 700 10px var(--font-mono); }
.money-path-grid > article b { display: block; margin: 3px 0 7px; font: 700 17px/1.2 var(--font-display); letter-spacing: -.02em; }
.money-path-grid > article p { margin: 0; color: #aebbb4; font-size: 13px; line-height: 1.5; }
.money-path-grid > article em { grid-column: 1 / -1; width: max-content; max-width: 100%; padding: 7px 10px; border-radius: 999px; background: rgba(94,226,173,.1); color: var(--green); font: 700 10px var(--font-mono); font-style: normal; letter-spacing: .06em; text-transform: uppercase; }
.money-path-grid > i { align-self: center; color: var(--green); font-style: normal; font-size: 18px; }
.goal-card { margin: 34px 0; padding: 23px 26px; border-left: 3px solid var(--green); border-radius: 0 14px 14px 0; background: var(--green-dark); }
.goal-card span { color: var(--green); font: 600 12px var(--font-mono); text-transform: uppercase; letter-spacing: .1em; }
.goal-card p { margin: 8px 0 0; font: 600 21px/1.48 var(--font-display); letter-spacing: -.025em; }
.concept-flow { margin: 30px 0 46px; padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(135deg, rgba(94,226,173,.07), rgba(17,24,21,.8)); }
.concept-flow > span { display: block; margin-bottom: 16px; color: var(--green); font: 600 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.concept-flow-row { display: grid; grid-template-columns: 1fr 34px 1fr 34px 1fr; align-items: center; }
.concept-step { min-height: 104px; display: grid; place-content: center; padding: 18px; border: 1px solid #34433c; border-radius: 12px; background: rgba(10,15,13,.72); text-align: center; font: 600 16px/1.35 var(--font-display); letter-spacing: -.025em; }
.concept-arrow { color: var(--green); text-align: center; font-size: 20px; }
.lesson-copy h3 { margin: 38px 0 12px; font-size: 27px; }
.lesson-copy > p { color: #d0d8d3; font-size: 18px; line-height: 1.75; }
.case-gallery { margin: 35px 0; }
.case-gallery > p { color: var(--muted); line-height: 1.65; }
.case-gallery .site-showcase { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-gallery .site-shot > span { display: grid; gap: 8px; }
.case-gallery .site-shot small { overflow-wrap: anywhere; color: var(--green); }
.case-gallery .site-shot p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.lesson-detail { display: grid; grid-template-columns: 44px 1fr; gap: 18px; margin-top: 12px; padding: 22px 0; border-top: 1px solid var(--line); }
.lesson-detail > span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(94,226,173,.28); border-radius: 50%; color: var(--green); font: 600 11px var(--font-mono); }
.lesson-detail h3 { margin: 2px 0 8px; font-size: 21px; letter-spacing: -.025em; }
.lesson-detail p { margin: 0; color: #b8c3bd; font-size: 16px; line-height: 1.65; }
.lesson-sources { margin: 28px 0 6px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.lesson-sources > span { display: block; margin-bottom: 12px; color: var(--muted); font: 600 11px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.lesson-sources > div { display: flex; flex-wrap: wrap; gap: 8px; }
.lesson-sources a { padding: 8px 11px; border: 1px solid #35443d; border-radius: 999px; color: var(--green); text-decoration: none; font-size: 13px; }
.lesson-sources a:hover { border-color: var(--green); background: rgba(94,226,173,.06); }
.takeaways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 0; list-style: none; }
.takeaways li { position: relative; min-height: 184px; padding: 24px 22px; border: 1px solid #334139; border-radius: 14px; background: linear-gradient(145deg, #141d19, #101613); color: #e1e6e3; font-size: 17px; font-weight: 600; line-height: 1.55; }
.takeaways b { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 28px; border: 1px solid rgba(94,226,173,.38); border-radius: 50%; background: rgba(94,226,173,.08); color: var(--green); font: 600 13px var(--font-mono); }
.lesson-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.lesson-actions button { min-height: 44px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); cursor: pointer; }
.lesson-actions button:disabled { opacity: .35; cursor: not-allowed; }
.lesson-actions .complete-button { border-color: rgba(94,226,173,.35); color: var(--green); }
.lesson-actions .complete-button.done { background: var(--green); color: var(--bg); }
.prompt-heading { max-width: none; display: grid; grid-template-columns: 1fr .7fr; gap: 80px; align-items: end; }
.prompt-process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; margin: 0 0 26px; padding: 0; list-style: none; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.prompt-process li { position: relative; display: flex; align-items: center; gap: 10px; min-width: 0; padding: 15px 14px; border-right: 1px solid var(--line); }
.prompt-process li:last-child { border-right: 0; }
.prompt-process li:not(:last-child)::after { content: "→"; position: absolute; z-index: 1; right: -8px; width: 16px; height: 16px; display: grid; place-items: center; border-radius: 50%; background: var(--bg); color: var(--green); font-size: 9px; }
.prompt-process b { color: var(--green); font: 600 10px var(--font-mono); }
.prompt-process span { min-width: 0; overflow: hidden; text-overflow: ellipsis; font-size: 13px; font-weight: 650; }
.prompt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.prompt-grid { counter-reset: prompt-card; }
.prompt-card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, #151d19, #0f1512); counter-increment: prompt-card; }
.prompt-card::after { content: "0" counter(prompt-card); position: absolute; right: 18px; top: 62px; color: rgba(94,226,173,.12); font: 750 56px/1 var(--font-display); pointer-events: none; }
.prompt-card > div { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--green); font: 500 11px var(--font-mono); }
.prompt-card h3 { margin: 22px 20px 14px; font-size: 22px; }
.prompt-card pre { max-height: 260px; overflow: hidden; margin: 0; padding: 0 20px 24px; color: var(--muted); font: 400 12px/1.7 var(--font-mono); white-space: pre-wrap; mask-image: linear-gradient(to bottom, #000 65%, transparent); }
.copy-button { border: 1px solid var(--line); border-radius: 7px; background: transparent; padding: 5px 9px; cursor: pointer; }
.copy-button:hover { border-color: var(--green); }
.note-section { padding-top: 30px; }
.note-section details { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.note-section summary { display: flex; justify-content: space-between; gap: 20px; padding: 24px; cursor: pointer; list-style: none; }
.note-section summary span:first-child { font: 600 20px var(--font-display); }
.note-section summary span:last-child { color: var(--green); font: 500 13px var(--font-mono); }
.note-section details > div { max-width: 780px; padding: 10px 24px 30px; }
.note-section h2 { font-size: 36px; }
.note-section p { color: var(--muted); }
footer { max-width: var(--max); margin: 0 auto; padding: 50px 24px 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer div { display: flex; align-items: center; gap: 10px; color: var(--text); }
footer a { color: var(--green); }
.mobile-nav { position: fixed; z-index: 300; inset: 0; padding: 18px; overflow-y: auto; background: rgba(10,15,13,.98); scrollbar-width: none; -ms-overflow-style: none; }
.mobile-nav-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.mobile-nav-head p { font: 700 20px var(--font-display); }
.mobile-nav-head button { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 8px 11px; }
.toast { position: fixed; z-index: 400; right: 24px; bottom: 24px; padding: 12px 16px; transform: translateY(100px); opacity: 0; border: 1px solid rgba(94,226,173,.3); border-radius: 10px; background: var(--green-dark); color: var(--green); transition: .25s ease; }
.toast.show { transform: translateY(0); opacity: 1; }

/* Public sales experience */
.public-actions { gap: 10px; }
.header-login, .header-join, .logout-link { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; padding: 9px 15px; border-radius: 999px; color: var(--text); font-size: 15px; font-weight: 650; text-decoration: none; }
.header-login { border: 1px solid var(--line); background: rgba(17,24,21,.72); }
.header-join { border: 1px solid var(--green); background: var(--green); color: #07110c; }
.economics { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: radial-gradient(circle at 75% 15%, rgba(94,226,173,.09), transparent 32%); }
.economics-heading { max-width: none; display: grid; grid-template-columns: 1fr .65fr; align-items: end; gap: 72px; }
.economics-heading > p { color: var(--muted); font-size: 16px; line-height: 1.65; }
.calculator-shell { display: grid; grid-template-columns: minmax(280px,.7fr) minmax(420px,1.3fr); gap: 18px; }
.calculator-controls, .calculator-results { padding: clamp(24px,4vw,38px); border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(145deg,#141d19,#0c1210); }
.calculator-controls { display: grid; gap: 27px; }
.calculator-controls label { display: grid; grid-template-columns: 1fr auto; gap: 13px; color: #dce4df; font-size: 15px; font-weight: 650; }
.calculator-controls label > span { color: var(--green); font: 700 15px var(--font-mono); }
.calculator-controls input { grid-column: 1 / -1; width: 100%; accent-color: var(--green); }
.calculator-assumptions { display: grid; gap: 7px; padding-top: 18px; border-top: 1px solid var(--line); }
.calculator-assumptions p { display: flex; justify-content: space-between; margin: 0; color: var(--muted); font-size: 13px; }
.calculator-assumptions b { color: #d9e2dd; font-family: var(--font-mono); }
.calculator-results { display: grid; gap: 22px; }
.result-primary { min-height: 210px; display: grid; align-content: center; padding: 28px; border-radius: 17px; background: linear-gradient(135deg,rgba(94,226,173,.18),rgba(201,247,135,.04)); }
.result-primary > span, .result-grid span { color: var(--muted); font: 650 11px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.result-primary > strong { margin: 8px 0; color: var(--green); font: 750 clamp(54px,8vw,92px)/.95 var(--font-display); letter-spacing: -.07em; }
.result-primary small { color: #c1ccc6; font-size: 14px; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.result-grid div { min-height: 112px; display: grid; align-content: space-between; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(7,13,10,.55); }
.result-grid strong { font: 700 27px var(--font-display); }
.calculator-disclaimer { margin: 0; color: #77857e; font-size: 12px; line-height: 1.6; }
.scenario-strip { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.scenario-strip span, .scenario-strip b { padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; }
.scenario-strip span { color: var(--muted); }.scenario-strip b { color: var(--green); background: rgba(94,226,173,.05); }
.outcomes { border-top: 1px solid var(--line); }
.outcome-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.outcome-grid article { min-height: 250px; display: flex; flex-direction: column; padding: 24px; border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(145deg,#141d19,#0e1512); }
.outcome-grid span { color: var(--green); font: 700 12px var(--font-mono); }.outcome-grid h3 { margin: auto 0 10px; font-size: 28px; }.outcome-grid p { margin: 0; color: var(--muted); line-height: 1.55; }
.member-privacy { display: flex; gap: 12px; align-items: center; margin: 18px 0 0; padding: 18px 20px; border: 1px solid rgba(94,226,173,.22); border-radius: 14px; background: rgba(94,226,173,.05); color: #dce5e0; }
.existing-student { grid-column: 1 / -1; margin: 18px 0 0; color: var(--muted); text-align: center; }.existing-student a { color: var(--green); }
.member-welcome { padding-bottom: 30px; }.member-welcome h1 { margin-bottom: 20px; }.member-welcome > p:last-child { max-width: 650px; color: var(--muted); font-size: 18px; }
.logout-link { color: var(--muted); font-size: 13px; }

/* Login */
.login-main { min-height: calc(100vh - 76px); display: grid; place-items: center; padding: 60px 24px; background: radial-gradient(circle at 70% 20%,rgba(94,226,173,.1),transparent 32%); }
.login-card { width: min(920px,100%); display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; padding: clamp(32px,6vw,72px); border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(145deg,#141d19,#0b100e); box-shadow: 0 40px 100px rgba(0,0,0,.28); }
.login-card h1 { font-size: clamp(52px,8vw,86px); }.login-card > div > p:last-child { color: var(--muted); font-size: 17px; line-height: 1.65; }
.login-card form { display: grid; gap: 18px; }.login-card label { display: grid; gap: 8px; color: #cdd6d1; font-size: 14px; font-weight: 650; }
.login-card input { min-height: 52px; padding: 0 15px; border: 1px solid #35433c; border-radius: 11px; outline: none; background: #0a100d; color: var(--text); font: 500 16px var(--font-sans); }.login-card input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(94,226,173,.09); }
.login-card button { width: 100%; margin-top: 6px; }.login-card form small { color: #78857f; line-height: 1.5; text-align: center; }.login-error { margin: 0; padding: 11px 13px; border-radius: 9px; background: rgba(255,120,100,.1); color: #ff9f8f; font-size: 13px; }

/* Expanded mass-production sales narrative */
.hero-offer, .close-price { display: flex; align-items: center; gap: 16px; margin: 28px 0 6px; }
.hero-offer > strong, .close-price > strong { color: var(--text); font: 760 58px/.9 var(--font-display); letter-spacing: -.07em; }
.hero-offer sup, .close-price sup { position: relative; top: -.55em; margin-right: 2px; color: var(--green); font-size: 19px; }
.hero-offer > span, .close-price > span { display: grid; gap: 4px; }
.hero-offer b, .close-price > span { color: var(--green); font: 700 14px var(--font-mono); text-transform: uppercase; }
.hero-offer small, .close-price small { display: block; color: var(--muted); font: 500 12px/1.4 var(--font-sans); text-transform: none; }
.manifesto { border-top: 1px solid var(--line); }
.manifesto > h2 { max-width: 980px; margin: 16px 0 42px; font-size: clamp(46px,7vw,88px); line-height: .98; }
.manifesto > h2 em { color: var(--green); font-style: normal; }
.manifesto-grid { max-width: 1020px; display: grid; grid-template-columns: 1fr 1fr; gap: 46px; }
.manifesto-grid p { margin: 0; color: #c1cbc5; font-size: 20px; line-height: 1.66; }
.old-new { display: grid; grid-template-columns: 1fr 46px 1fr; gap: 16px; align-items: center; margin-top: 54px; }
.old-new > div { min-height: 190px; display: grid; align-content: center; gap: 12px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.old-new > div:last-child { border-color: rgba(94,226,173,.35); background: radial-gradient(circle at 100% 0,rgba(94,226,173,.15),transparent 45%),var(--surface); }
.old-new small, .curriculum-grid small, .case-lab-grid > article > span { color: var(--orange); font: 700 11px var(--font-mono); letter-spacing: .11em; }
.old-new > div:last-child small { color: var(--green); }.old-new b { font-size: 23px; }.old-new span { color: var(--muted); line-height: 1.55; }.old-new > i { color: var(--green); font-size: 24px; font-style: normal; text-align: center; }
.curriculum { border-top: 1px solid var(--line); background: linear-gradient(180deg,rgba(94,226,173,.035),transparent 35%); }
.curriculum-heading, .case-lab-heading { max-width: none; display: grid; grid-template-columns: 1fr .72fr; gap: 70px; align-items: end; }
.curriculum-heading > p, .case-lab-heading > p { color: var(--muted); font-size: 17px; line-height: 1.65; }
.curriculum-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; counter-reset: curriculum; }
.curriculum-grid article { min-height: 315px; display: grid; grid-template-columns: 52px 1fr; gap: 22px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg,#141d19,#0d1411); }
.curriculum-grid article > span { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid rgba(94,226,173,.3); border-radius: 50%; color: var(--green); font: 700 12px var(--font-mono); }
.curriculum-grid h3 { margin: 12px 0 10px; font-size: 28px; }.curriculum-grid p { margin: 0; color: #b8c3bd; line-height: 1.58; }
.curriculum-grid ul { display: grid; gap: 7px; margin: 20px 0 0; padding: 0; list-style: none; color: #dfe5e1; font-size: 14px; }
.curriculum-grid li::before { content: "↳"; margin-right: 8px; color: var(--green); }
.case-lab { border-top: 1px solid var(--line); }
.case-lab-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.case-lab-grid article { min-height: 310px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.case-lab-grid .case-feature { grid-column: span 2; background: radial-gradient(circle at 90% 10%,rgba(94,226,173,.17),transparent 32%),linear-gradient(145deg,#15231d,#0e1612); }
.case-lab-grid h3 { max-width: 560px; margin: auto 0 14px; font-size: clamp(25px,3vw,39px); }.case-lab-grid p { max-width: 650px; margin: 0 0 22px; color: var(--muted); line-height: 1.6; }.case-lab-grid b { color: var(--green); font: 650 11px var(--font-mono); letter-spacing: .05em; text-transform: uppercase; }
.membership-value { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; border-top: 1px solid var(--line); }
.value-intro h2 { position: sticky; top: 110px; margin-top: 16px; }
.value-list { border-top: 1px solid var(--line); }.value-list > div { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 27px 0; border-bottom: 1px solid var(--line); }.value-list > div > span { color: var(--green); font: 700 12px var(--font-mono); }.value-list p { display: grid; gap: 7px; margin: 0; }.value-list b { font-size: 21px; }.value-list small { color: var(--muted); font-size: 15px; line-height: 1.55; }
.who { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; border-top: 1px solid var(--line); background: radial-gradient(circle at 20% 40%,rgba(94,226,173,.08),transparent 30%); }.who h2 { margin-top: 16px; }.who ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }.who li { padding: 20px 22px; border: 1px solid var(--line); border-radius: 13px; background: rgba(17,24,21,.75); color: #d9e1dc; font-size: 17px; line-height: 1.5; }.who li::before { content: "✓"; margin-right: 13px; color: var(--green); font-weight: 800; }
.faq { border-top: 1px solid var(--line); }.faq-list { max-width: 920px; }.faq-list details { border-top: 1px solid var(--line); }.faq-list details:last-child { border-bottom: 1px solid var(--line); }.faq-list summary { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; list-style: none; font: 650 20px var(--font-display); }.faq-list summary span { color: var(--green); }.faq-list p { max-width: 760px; margin: -4px 0 25px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.price-close .join-copy { align-self: center; }.close-price { margin: 30px 0 24px; }.close-price > strong { font-size: 76px; }

/* Quick lessons field guide */
.quick-lessons { border-top: 1px solid var(--line); background: radial-gradient(circle at 85% 8%,rgba(94,226,173,.09),transparent 28%); }
.quick-heading { max-width: none; display: grid; grid-template-columns: 1fr .72fr; gap: 70px; align-items: end; }
.quick-heading > p { color: var(--muted); font-size: 17px; line-height: 1.65; }
.quick-toolbar { position: sticky; z-index: 8; top: 76px; display: grid; grid-template-columns: minmax(240px,.65fr) 1.35fr; gap: 14px; align-items: end; margin: 0 0 22px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(10,15,13,.92); backdrop-filter: blur(18px); }
.quick-toolbar label { display: grid; gap: 7px; }.quick-toolbar label > span { color: var(--muted); font: 650 10px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.quick-toolbar input { width: 100%; min-height: 44px; padding: 0 13px; border: 1px solid #35443d; border-radius: 10px; outline: 0; background: #0a100d; color: var(--text); font: 500 15px var(--font-sans); }.quick-toolbar input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(94,226,173,.08); }
.quick-filters { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }.quick-filters button { min-height: 34px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: #aeb9b3; font: 650 11px var(--font-sans); cursor: pointer; }.quick-filters button:hover,.quick-filters button.active { border-color: var(--green); background: var(--green); color: #07110c; }
.quick-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.quick-card { min-height: 245px; display: flex; flex-direction: column; padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(145deg,#141d19,#0e1512); }
.quick-card > div { display: flex; justify-content: space-between; gap: 12px; align-items: center; }.quick-card > div span { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(94,226,173,.3); border-radius: 50%; color: var(--green); font: 700 11px var(--font-mono); }.quick-card small { color: var(--orange); font: 700 10px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.quick-card h3 { margin: auto 0 10px; font-size: 22px; line-height: 1.15; }.quick-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.58; }.quick-empty { padding: 32px; border: 1px dashed var(--line); border-radius: 14px; color: var(--muted); text-align: center; }

/* No-tech translation guide */
.beginner-faq { border-top: 1px solid var(--line); background: radial-gradient(circle at 10% 12%,rgba(255,169,88,.1),transparent 24%), radial-gradient(circle at 88% 72%,rgba(94,226,173,.08),transparent 27%); }
.wth-heading { align-items: end; }
.wth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 46px; }
.wth-grid details { border: 1px solid #304139; border-radius: 17px; background: rgba(12,20,16,.88); overflow: hidden; }
.wth-grid details[open] { border-color: rgba(94,226,173,.4); background: linear-gradient(145deg,rgba(25,40,33,.96),rgba(10,17,14,.94)); box-shadow: 0 20px 50px rgba(0,0,0,.18); }
.wth-grid summary { min-height: 96px; display: grid; grid-template-columns: 42px 1fr 24px; gap: 14px; align-items: center; padding: 18px 20px; cursor: pointer; list-style: none; }
.wth-grid summary::-webkit-details-marker { display: none; }
.wth-grid summary > span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,169,88,.32); border-radius: 50%; color: var(--orange); font: 700 10px var(--font-mono); }
.wth-grid summary > div { display: grid; gap: 2px; }
.wth-grid summary small { color: #7f9188; font: 700 9px var(--font-mono); letter-spacing: .12em; }
.wth-grid summary b { font: 700 22px/1.12 var(--font-display); letter-spacing: -.03em; }
.wth-grid summary > i { color: var(--green); font-style: normal; font-size: 22px; transition: transform .2s ease; }
.wth-grid details[open] summary > i { transform: rotate(45deg); }
.wth-answer { padding: 0 22px 23px 76px; }
.wth-answer p { margin: 0 0 12px; color: #b9c5be; font-size: 15px; line-height: 1.67; }
.wth-answer p:last-child { margin-bottom: 0; }
.wth-answer strong { color: #eef5f1; }
.wth-answer code { padding: 2px 6px; border-radius: 5px; background: #07100c; color: var(--green); font-family: var(--font-mono); }
.wth-bottom-line { display: grid; grid-template-columns: 190px 1fr; gap: 28px; align-items: center; margin-top: 18px; padding: 25px 28px; border: 1px solid rgba(255,169,88,.3); border-radius: 17px; background: rgba(255,169,88,.06); }
.wth-bottom-line span { color: var(--orange); font: 700 10px/1.45 var(--font-mono); letter-spacing: .12em; }
.wth-bottom-line p { margin: 0; color: #cbd5cf; font-size: 16px; line-height: 1.6; }
.wth-bottom-line b { color: #f4f6f4; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 66px; }
  .system-card { max-width: 680px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(2) { border-right: 1px solid var(--line); border-radius: 0 14px 14px 0; }
  .proof-strip div:nth-child(3) { border-radius: 14px 0 0 14px; }
  .network-explainer { grid-template-columns: 1fr; }
  .join-panel { grid-template-columns: 1fr; }
  .case-study-heading { grid-template-columns: 1fr; gap: 16px; }
  .site-showcase { grid-template-columns: repeat(2, 1fr); }
  .network-scheme { grid-template-columns: minmax(180px, .75fr) 80px minmax(260px, 1.25fr); }
  .scheme-legend { grid-column: 1; margin-top: -60px; }
  .phase-grid { grid-template-columns: repeat(2, 1fr); }
  .phase-grid li::after { display: none !important; }
  .course-shell { grid-template-columns: 290px minmax(0, 1fr); gap: 28px; }
  .takeaways, .prompt-grid { grid-template-columns: 1fr; }
  .prompt-process { grid-template-columns: repeat(3, 1fr); }
  .prompt-process li:nth-child(3) { border-right: 0; }
  .prompt-process li:nth-child(3)::after { display: none; }
  .prompt-process li:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .master-recap > div { grid-template-columns: repeat(3, 1fr); }
  .stack-flow { grid-template-columns: 1fr; }
  .stack-flow > span { transform: rotate(90deg); text-align: center; }
  .calculator-shell { grid-template-columns: 1fr; }
  .outcome-grid { grid-template-columns: 1fr 1fr; }
  .case-lab-grid { grid-template-columns: 1fr 1fr; }.case-lab-grid .case-feature { grid-column: 1 / -1; }
  .membership-value, .who { grid-template-columns: 1fr; gap: 34px; }.value-intro h2 { position: static; }
  .quick-grid { grid-template-columns: 1fr 1fr; }.quick-toolbar { position: static; grid-template-columns: 1fr; }.quick-filters { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .site-header { min-height: 64px; padding-inline: 16px; }
  .brand-logo { width: 36px; height: 36px; }
  .brand { font-size: 14px; gap: 8px; }
  .mini-progress { display: none; }
  .hero { min-height: auto; padding: 54px 18px 48px; gap: 46px; }
  .hero-visual, .hero-visual img { min-height: 430px; }
  .hero-visual { border-radius: 22px; }
  .hero-visual figcaption { display: grid; }
  h1 { font-size: clamp(43px, 13vw, 64px); }
  .hero-lede { font-size: 18px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .payment-options { grid-template-columns: 1fr; }
  .payment-card { min-height: 230px; }
  .system-card { padding: 18px; }
  .proof-strip { padding: 0 18px 60px; }
  .proof-strip div { display: block; padding: 16px; }
  .proof-strip strong, .proof-strip span { display: block; }
  .section { padding: 68px 18px; }
  .network-scheme { min-height: 0; display: block; padding: 22px; }
  .scheme-bridge { grid-template-columns: 1fr auto 1fr; margin: 20px 0; }
  .satellite-stack { grid-template-columns: 1fr 1fr; }
  .scheme-site.more { min-height: 92px; grid-column: 1 / -1; }
  .scheme-legend { margin: 22px 0 0; }
  .phase-grid { display: grid; grid-template-columns: 1fr; overflow: visible; padding-bottom: 0; }
  .phase-grid li { min-width: 0; min-height: 0; }
  .course-shell { display: block; padding-inline: 18px; }
  .course-sidebar { display: none; }
  .lesson-stage { min-height: 0; }
  .lesson-stage h2 { font-size: 44px; }
  .goal-card p { font-size: 17px; }
  .lesson-copy > p { font-size: 16px; }
  .concept-flow { padding: 18px; }
  .concept-flow-row { grid-template-columns: 1fr; gap: 8px; }
  .concept-arrow { transform: rotate(90deg); }
  .takeaways { grid-template-columns: 1fr; }
  .master-recap > div { grid-template-columns: 1fr; }
  .master-recap b { min-height: 88px; }
  .cost-row { grid-template-columns: 102px 1fr 58px; gap: 9px; }
  .comparison-head, .comparison-row { grid-template-columns: 1fr 112px 1fr; gap: 7px; }
  .comparison-row > span { font-size: 10px; }
  .money-path-grid { grid-template-columns: 1fr; }
  .money-path-grid > article { min-height: 0; }
  .money-path-grid > i { display: none; }
  .takeaways li { min-height: 0; font-size: 18px; }
  .lesson-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .lesson-actions .complete-button { grid-column: 1 / -1; grid-row: 1; }
  .prompt-heading { display: block; }
  .wth-grid { grid-template-columns: 1fr; }
  .wth-answer { padding-left: 20px; }
  .wth-bottom-line { grid-template-columns: 1fr; gap: 8px; }
  .site-showcase { grid-template-columns: 1fr; }
  .case-gallery .site-showcase { grid-template-columns: 1fr; }
  .site-shot { display: grid; grid-template-columns: 132px 1fr; }
  .site-shot > img { height: 100%; aspect-ratio: auto; border-right: 1px solid var(--line); border-bottom: 0; }
  .site-shot > span { min-height: 132px; }
  .prompt-process { grid-template-columns: 1fr 1fr; }
  .prompt-process li { border-bottom: 1px solid var(--line); }
  .prompt-process li:nth-child(2n) { border-right: 0; }
  .prompt-process li:nth-child(3) { border-right: 1px solid var(--line); }
  .prompt-process li:nth-child(3)::after { display: grid; }
  .prompt-process li:nth-last-child(-n+2) { border-bottom: 0; }
  .prompt-process li:nth-child(2n)::after { display: none; }
  .prompt-grid { grid-template-columns: 1fr; }
  .note-section summary { display: grid; }
  footer { display: grid; }
  .header-login, .header-join { min-height: 38px; padding: 7px 11px; font-size: 13px; }
  .economics-heading { display: block; }.calculator-controls, .calculator-results { padding: 20px; }.result-grid, .outcome-grid { grid-template-columns: 1fr; }.result-primary { min-height: 170px; }.result-primary > strong { font-size: 56px; }
  .login-card { grid-template-columns: 1fr; gap: 30px; padding: 26px; }.login-page .brand-wordmark { display: inline; }
  .member-page .logout-link { display: none; }.member-welcome { padding-top: 60px; }
  .manifesto-grid, .curriculum-heading, .case-lab-heading { grid-template-columns: 1fr; gap: 22px; }.manifesto-grid p { font-size: 18px; }.old-new { grid-template-columns: 1fr; }.old-new > i { transform: rotate(90deg); }
  .curriculum-grid, .case-lab-grid { grid-template-columns: 1fr; }.curriculum-grid article { min-height: 0; grid-template-columns: 42px 1fr; padding: 22px; }.curriculum-grid article > span { width: 40px; height: 40px; }.case-lab-grid .case-feature { grid-column: auto; }.case-lab-grid article { min-height: 270px; }
  .who { gap: 24px; }.faq-list summary { font-size: 18px; }.hero-offer > strong { font-size: 50px; }
  .quick-heading { grid-template-columns: 1fr; gap: 18px; }.quick-grid { grid-template-columns: 1fr; }.quick-toolbar { padding: 12px; }.quick-card { min-height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Lesson-specific teaching graphics are displayed whole, never cropped. */
.lesson-infographic { margin: 28px 0; overflow: hidden; border: 1px solid #355a48; border-radius: 18px; background: #05110c; }
.lesson-infographic figcaption { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px; }
.lesson-infographic figcaption span { color: var(--green); font: 650 11px var(--font-mono); letter-spacing: .06em; }
.lesson-infographic figcaption h3 { margin: 8px 0 0; font-size: 20px; line-height: 1.35; }
.lesson-infographic figcaption a { color: var(--green); white-space: nowrap; font-size: 13px; text-underline-offset: 4px; }
.infographic-image-link { display: block; cursor: zoom-in; }
.lesson-infographic img { display: block; width: 100%; height: auto; object-fit: contain; }
.infographic-transcript { padding: 18px 22px; border-top: 1px solid #355a48; }
.infographic-transcript summary { cursor: pointer; color: var(--green); font-size: 14px; }
.infographic-transcript ol { padding-left: 22px; color: #d7e5dc; line-height: 1.7; }
.infographic-transcript li + li { margin-top: 12px; }
.lesson-infographic a:focus-visible,.infographic-transcript summary:focus-visible { outline: 2px solid var(--green); outline-offset: -3px; }
@media (max-width: 650px) { .lesson-infographic figcaption { flex-direction: column; align-items: flex-start; padding: 16px; gap: 12px; } .lesson-infographic figcaption h3 { font-size: 18px; } }

/* Focused public offer and course preview */
.sales-page .hero { grid-template-columns: 1.15fr .85fr; gap: 48px; padding-top: 64px; }
.sales-page h1 { font-size: clamp(44px,5.1vw,68px); line-height: 1.04; }
.sales-page .hero-lede { font-size: 19px; margin: 24px 0 20px; }
.hero-benefits { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 10px; font-size: 15px; color: #dce5df; }
.hero-benefits li { padding-left: 24px; position: relative; }
.hero-benefits li::before { content: '✓'; position: absolute; left: 0; color: var(--green); }
.sales-page .hero-offer { margin-bottom: 24px; }
.sales-page .hero-visual figcaption { display: grid; gap: 4px; }
.sales-page .proof-strip div { display: grid; gap: 2px; }
.inside-course, .start-path { border-top: 1px solid var(--line); }
.inside-course { background: radial-gradient(ellipse at 20% 60%,rgba(94,226,173,.07),transparent 65%); }
.inside-course .section-heading > p:last-child, .start-path .section-heading > p:last-child { max-width: 680px; color: #b9c5bf; }
.sample-layout { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 64px; }
.sample-diagram { border: 1px solid #3d725b; border-radius: 22px; background: #07140e; padding: 28px; }
.sample-label { color: var(--green); font: 600 11px var(--font-mono); letter-spacing: .08em; margin-bottom: 28px; }
.sample-source { text-align: center; padding: 24px 12px; border: 1px solid var(--green); border-radius: 14px; background: #112b20; }
.sample-source span { color: var(--green); font: 600 11px var(--font-mono); }
.sample-source strong { display: block; font-size: 28px; margin: 8px 0; letter-spacing: -.04em; }
.sample-source p { margin: 0; font-size: 13px; color: #c0d2c7; }
.sample-connector { text-align: center; font-size: 36px; line-height: 1.5; color: var(--green); }
.sample-sites { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.sample-sites div { padding: 16px 10px; border: 1px solid #3d725b; border-radius: 10px; }
.sample-sites span { color: var(--green); display: block; font: 600 11px var(--font-mono); margin-bottom: 8px; }
.sample-sites b { display: block; font-size: 14px; line-height: 1.4; }
.sample-takeaway { margin: 22px 0 0; font-size: 14px; color: #c0d2c7; }
.sample-copy h3 { font-size: clamp(28px,3vw,40px); margin: 16px 0 24px; }
.sample-copy p { color: #b9c5bf; }
.sample-copy small { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }
.start-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; padding: 0; list-style: none; margin: 36px 0; }
.start-steps li { border-top: 1px solid #3d725b; padding-top: 24px; }
.start-steps span { font: 600 13px var(--font-mono); color: var(--green); }
.start-steps h3 { font-size: 25px; margin: 20px 0 12px; }
.start-steps p { color: #b9c5bf; font-size: 16px; }
.text-cta { color: var(--green); text-underline-offset: 5px; }
.sales-page a:focus-visible, .sales-page summary:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; }
.sales-page .faq-list details[open] summary span { transform: rotate(45deg); }
@media(max-width: 980px) { .sales-page .hero { grid-template-columns: 1fr; } .sample-layout { grid-template-columns: 1fr; gap: 32px; } }
@media(max-width: 620px) { .sales-page .hero { padding-top: 38px; gap: 32px; } .sales-page h1 { font-size: clamp(38px,10.5vw,58px); } .sales-page .hero-lede { font-size: 17px; } .sales-page .hero-visual, .sales-page .hero-visual img { min-height: 330px; } .sample-diagram { padding: 20px 16px; } .sample-sites { gap: 6px; } .sample-sites b { font-size: 12px; } .start-steps { grid-template-columns: 1fr; gap: 16px; } .start-steps h3 { margin-top: 12px; } .sales-page .hero-offer small { max-width: 210px; } }
@media(prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }