:root {
  --ink: #f6f5f2;
  --muted: #aaa8a2;
  --bg: #08090b;
  --surface: #101216;
  --surface-2: #16191f;
  --line: #2c3038;
  --accent: #f0c15a;
  --accent-2: #ffe09b;
  --cta: #e12b2b;
  --cta-hover: #f04444;
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 720px; margin-bottom: 18px; font-size: clamp(2.7rem, 5vw, 5.2rem); }
h2 { margin-bottom: 12px; font-size: clamp(2rem, 3.4vw, 3.15rem); }
h3 { margin-bottom: 10px; font-size: 1.25rem; }
p { color: var(--muted); }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow, .mini-label, .lesson-number, .path-label {
  color: var(--accent);
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgb(255 255 255 / .08);
  background: rgb(8 9 11 / .86);
  backdrop-filter: blur(18px);
}
.header-inner, .footer-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--muted); font-size: .82rem; }
.footer-legal a { color: inherit; }
.footer-legal a:hover { color: var(--accent); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.04em; }
.brand > span > span { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 26px; }
.header-status { color: #c7c5bf; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.header-status i { width: 7px; height: 7px; margin-right: 7px; display: inline-block; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

.button {
  min-height: 52px;
  padding: 0 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--cta);
  border-radius: 999px;
  background: var(--cta);
  color: white;
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .06em;
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); background: var(--cta-hover); }
.button-small { min-height: 40px; padding-inline: 18px; font-size: .68rem; }
.button-outline { min-height: 44px; border-color: #5b4d2e; background: transparent; color: var(--accent-2); font-size: .67rem; }
.button-outline:hover { border-color: var(--accent); background: rgb(240 193 90 / .08); }
.button-secondary { border-color: var(--line); background: var(--surface-2); }
.button-secondary:hover { border-color: #525862; background: #20242b; }
.button.is-copied { border-color: var(--accent); background: rgb(240 193 90 / .14); color: var(--accent-2); }
.button-brand-vscode { border-color: #007acc; background: rgb(0 122 204 / .14); color: #8fd3ff; }
.button-brand-vscode:hover { border-color: #1f9cf0; background: rgb(0 122 204 / .24); }
.button-brand-github { border-color: #6e7681; background: #24292f; color: #ffffff; }
.button-brand-github:hover { border-color: #8b949e; background: #30363d; }
.button-brand-cloudflare { border-color: #f38020; background: rgb(243 128 32 / .15); color: #ffbd7a; }
.button-brand-cloudflare:hover { border-color: #faae40; background: rgb(243 128 32 / .25); }
.button-brand-resend { border-color: #ffffff; background: rgb(255 255 255 / .9); color: #000000; }
.button-brand-resend:hover { border-color: #ffffff; background: #ffffff; }
.button-brand-chatgpt { border-color: #10a37f; background: rgb(16 163 127 / .14); color: #7ee2c7; }
.button-brand-chatgpt:hover { border-color: #19c49a; background: rgb(16 163 127 / .24); }
.button-brand-featurable { border-color: #2563eb; background: rgb(37 99 235 / .16); color: #9dbbff; }
.button-brand-featurable:hover { border-color: #3b82f6; background: rgb(37 99 235 / .26); }

.course-hero { position: relative; overflow: hidden; padding: clamp(70px, 9vw, 125px) 0; border-bottom: 1px solid var(--line); }
.course-hero::before {
  position: absolute;
  inset: -40% auto auto 52%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(240 193 90 / .16), transparent 65%);
  content: "";
  pointer-events: none;
}
.course-hero-grid { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: clamp(50px, 9vw, 120px); }
.hero-lead { max-width: 680px; color: #cbc8c0; font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.course-actions { margin-top: 26px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.course-overview { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgb(16 18 22 / .8); }
.overview-top { margin-bottom: 13px; display: flex; justify-content: space-between; gap: 20px; font-size: .75rem; font-weight: 750; }
.overview-top span { color: var(--muted); }
.overview-top strong { color: var(--accent-2); }
.progress-track { height: 6px; overflow: hidden; border-radius: 99px; background: #292d34; }
.progress-track span { width: 0; height: 100%; display: block; border-radius: inherit; background: var(--accent); transition: width .3s ease; }
.overview-stats { margin-top: 25px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.overview-stats div { display: grid; gap: 2px; }
.overview-stats strong { font-size: 1.15rem; }
.overview-stats span { color: var(--muted); font-size: .68rem; text-transform: uppercase; }

.welcome-hero { position: relative; overflow: hidden; padding: clamp(72px, 9vw, 128px) 0 clamp(58px, 7vw, 92px); border-bottom: 1px solid var(--line); }
.welcome-hero::before {
  position: absolute;
  inset: -44% auto auto 50%;
  width: 760px;
  height: 760px;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(240 193 90 / .16), transparent 65%);
  content: "";
  pointer-events: none;
}
.welcome-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .62fr); align-items: center; gap: clamp(40px, 7vw, 86px); }
.welcome-panel { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgb(16 18 22 / .86); }
.welcome-build-list { margin: 20px 0 0; padding: 0; display: grid; gap: 12px; list-style: none; }
.welcome-build-list li { color: #d4d1ca; font-size: .9rem; }
.welcome-build-list li::before { margin-right: 9px; color: var(--accent); content: "\2713"; font-weight: 900; }
.welcome-section { padding: clamp(62px, 8vw, 100px) 0; border-bottom: 1px solid var(--line); }
.welcome-split { display: grid; grid-template-columns: minmax(0, .76fr) minmax(0, 1.24fr); gap: clamp(34px, 6vw, 72px); }
.welcome-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.welcome-steps article,
.welcome-time-card,
.welcome-person-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-2);
}
.welcome-steps article { padding: 20px; }
.welcome-steps span { color: var(--accent); font-size: .68rem; font-weight: 850; letter-spacing: .12em; }
.welcome-steps h3 { margin: 10px 0 8px; font-size: 1.05rem; }
.welcome-steps p { margin: 0; font-size: .82rem; }
.welcome-time-section { background: var(--surface); }
.welcome-time-card { max-width: 850px; padding: clamp(26px, 4vw, 40px); }
.welcome-time-card h2 { max-width: 760px; }
.welcome-time-card p { max-width: 730px; margin-bottom: 0; }
.welcome-team-intro { max-width: 760px; }
.welcome-team-intro p { font-size: 1rem; }
.welcome-team-grid { margin-top: 34px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.welcome-person-card { overflow: hidden; display: grid; grid-template-columns: 180px 1fr; }
.welcome-person-image { position: relative; min-height: 220px; overflow: hidden; background: #0d0f13; }
.welcome-person-image::after { position: absolute; inset: 0; background: linear-gradient(135deg, rgb(8 9 11 / .58), transparent 52%, rgb(240 193 90 / .16)); content: ""; }
.welcome-person-image img { width: 100%; height: 100%; display: block; object-fit: cover; }
.welcome-person-copy { padding: 24px; display: flex; flex-direction: column; justify-content: center; }
.welcome-person-copy p { margin: 0 0 8px; color: var(--accent); font-size: .68rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.welcome-person-copy h3 { margin-bottom: 10px; font-size: 1.15rem; }
.welcome-person-copy span { color: #c9c6be; font-size: .85rem; line-height: 1.55; }
.welcome-final { padding: clamp(72px, 9vw, 112px) 0; background: linear-gradient(120deg, #191711, #111216 65%); }
.welcome-final-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.welcome-final h2 { margin-bottom: 0; }

.course-layout { padding: 76px 0 120px; display: grid; grid-template-columns: 260px minmax(0, 1fr); align-items: start; gap: clamp(45px, 7vw, 90px); }
.course-sidebar { position: sticky; top: 104px; display: grid; gap: 20px; }
.course-nav { padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); }
.course-nav p { margin: 0 0 10px; padding: 4px 7px 12px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .67rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.course-nav a { padding: 10px 7px; display: grid; grid-template-columns: 27px 1fr; align-items: center; border-radius: 8px; color: #aaa8a2; font-size: .76rem; font-weight: 720; line-height: 1.25; transition: color .2s ease, background .2s ease; }
.course-nav a span { color: #6d7077; font-size: .62rem; }
.course-nav a:hover, .course-nav a.active { background: var(--surface-2); color: var(--ink); }
.course-nav a.active span { color: var(--accent); }
.course-nav a.complete { color: #d1cec6; }
.course-nav a.complete span { color: var(--accent); }
.sidebar-dfy { padding: 22px; border: 1px solid #4a3e26; border-radius: 15px; background: linear-gradient(145deg, #1c1913, #111216 70%); }
.sidebar-dfy h3 { margin: 7px 0 10px; font-size: 1.1rem; }
.sidebar-dfy p { margin-bottom: 16px; font-size: .76rem; line-height: 1.5; }
.sidebar-dfy a { color: var(--accent-2); font-size: .7rem; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.sidebar-dfy a span { margin-left: 5px; transition: margin .2s ease; }
.sidebar-dfy a:hover span { margin-left: 9px; }

.lesson-list { min-width: 0; display: grid; gap: 100px; }
.lesson { min-width: 0; }
.lesson-heading { margin-bottom: 22px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.lesson-heading h2 { margin: 6px 0 0; }
.lesson-time { flex: 0 0 auto; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .66rem; font-weight: 800; text-transform: uppercase; }
.video-placeholder {
  aspect-ratio: 16 / 9;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #333844;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at center, rgb(240 193 90 / .09), transparent 33%),
    linear-gradient(135deg, rgb(255 255 255 / .025) 25%, transparent 25%) 0 0 / 20px 20px,
    #0e1013;
  color: var(--ink);
}
.play-icon { width: 68px; height: 68px; margin-bottom: 19px; display: grid; place-items: center; border: 1px solid #665632; border-radius: 50%; background: rgb(240 193 90 / .08); }
.play-icon::after { margin-left: 5px; border-top: 9px solid transparent; border-bottom: 9px solid transparent; border-left: 14px solid var(--accent); content: ""; }
.video-placeholder strong { font-size: .9rem; letter-spacing: .02em; }
.video-placeholder small { margin-top: 3px; color: #73767d; font-size: .7rem; }
.lesson-video {
  position: relative;
  aspect-ratio: 16 / 9;
  min-height: 340px;
  overflow: hidden;
  border: 1px solid #333844;
  border-radius: var(--radius);
  background: #0e1013;
}
.lesson-video video,
.lesson-video iframe,
.lesson-video img {
  width: 100%;
  height: 100%;
  display: block;
  background: #0e1013;
  object-fit: contain;
}
.lesson-video iframe {
  border: 0;
}
.lesson-video img {
  object-fit: cover;
}
.video-play-button {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border: 1px solid #665632;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgb(240 193 90 / .28), rgb(240 193 90 / .1) 48%, rgb(240 193 90 / .04));
  box-shadow:
    0 0 0 1px rgb(240 193 90 / .08),
    0 0 26px rgb(240 193 90 / .34),
    0 0 62px rgb(240 193 90 / .16);
  color: var(--accent);
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.video-play-button:hover,
.video-play-button:focus-visible {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px rgb(240 193 90 / .14),
    0 0 34px rgb(240 193 90 / .46),
    0 0 82px rgb(240 193 90 / .2);
  outline: none;
  transform: translate(-50%, -50%) scale(1.06);
}
.video-play-button span {
  width: 0;
  height: 0;
  margin-left: 5px;
  display: block;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 15px solid currentColor;
}
.lesson-video.is-playing .video-play-button {
  opacity: 0;
  pointer-events: none;
}
.bonus-video-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.bonus-video-grid h3 { margin: 12px 0 0; font-size: .98rem; }
.lesson-resource { padding: 14px 2px 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-start; }
.lesson-resource .button { min-height: 42px; padding-inline: 18px; }
.lesson-notes { padding: 30px 2px 22px; }
.lesson-notes-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .72fr); align-items: start; gap: clamp(22px, 4vw, 42px); }
.lesson-notes h3 { font-size: 1.05rem; }
.lesson-notes p { max-width: 700px; margin-bottom: 20px; }
.check-list { margin: 0; padding: 0; display: grid; gap: 8px; list-style: none; }
.check-list li { color: #c9c6be; font-size: .88rem; }
.check-list li::before { margin-right: 9px; color: var(--accent); content: "\2713"; font-weight: 900; }
.prompt-workflow { margin-top: 28px; padding: 22px; border: 1px solid #303540; border-radius: 14px; background: #0f1115; }
.prompt-workflow-heading { margin-bottom: 16px; display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.prompt-workflow-heading h3 { margin: 5px 0 0; font-size: 1.05rem; }
.prompt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.lesson-setup-grid .prompt-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.prompt-card { padding: 18px; display: grid; gap: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); }
.prompt-card > span { color: var(--accent); font-size: .65rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.prompt-card h4 { margin: 0; font-size: .98rem; line-height: 1.2; }
.prompt-card p { margin: 0 0 4px; font-size: .78rem; line-height: 1.45; }
.prompt-card .button { width: 100%; min-height: 42px; padding-inline: 14px; }
.lesson-email-tools { grid-template-columns: minmax(0, 300px); }
.lesson-email-tools .prompt-card .button { width: auto; min-width: 190px; justify-self: start; }
.lesson-crm-tools { margin-top: 20px; display: grid; grid-template-columns: 300px minmax(0, 1fr); align-items: start; gap: 14px; }
.lesson-crm-card { padding: 22px; display: grid; gap: 12px; border: 1px solid #413821; border-radius: 14px; background: linear-gradient(120deg, #191711, #111216 65%); }
.lesson-crm-card h3 { max-width: 560px; margin: 0; font-size: 1.1rem; }
.lesson-crm-card ul { margin: 0; padding: 0; display: grid; gap: 4px; list-style: none; }
.lesson-crm-card li { color: #c9c6be; font-size: .82rem; }
.lesson-crm-card li::before { margin-right: 8px; color: var(--accent); content: "\2713"; font-weight: 900; }
.lesson-crm-card p { margin: 0; color: var(--accent-2); font-size: .82rem; font-weight: 800; }
.lesson-crm-card .button { width: auto; min-width: 190px; justify-self: start; }
.prompt-card-actions { margin-top: auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.lesson-actions { padding: 17px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); }
.complete-toggle { display: inline-flex; align-items: center; gap: 9px; color: #d2cfc7; cursor: pointer; font-size: .75rem; font-weight: 800; }
.complete-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.complete-toggle > span { width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid #565a63; border-radius: 5px; }
.complete-toggle input:checked + span { border-color: var(--accent); background: var(--accent); }
.complete-toggle input:checked + span::after { color: #16130d; content: "\2713"; font-size: .72rem; font-weight: 950; }
.lesson-actions > a { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.lesson-actions > a span { margin-left: 5px; color: var(--accent); }
.lesson-dfy { margin-top: 12px; padding: 24px; display: grid; grid-template-columns: 1.1fr .9fr auto; align-items: center; gap: 25px; border: 1px solid #413821; border-radius: 14px; background: linear-gradient(120deg, #191711, #111216 65%); }
.lesson-dfy h3 { max-width: 440px; margin: 5px 0 0; font-size: 1.05rem; }
.lesson-dfy ul { margin: 0; padding: 0; display: grid; gap: 4px; list-style: none; }
.lesson-dfy li { color: #aaa8a2; font-size: .7rem; }
.lesson-dfy li::before { margin-right: 7px; color: var(--accent); content: "\00b7"; font-weight: 900; }

.next-step { padding: clamp(90px, 10vw, 140px) 0; border-top: 1px solid var(--line); background: var(--surface); }
.section-heading { max-width: 780px; margin: 0 auto 48px; text-align: center; }
.section-heading p:last-child { max-width: 650px; margin-inline: auto; }
.path-grid { max-width: 960px; margin-inline: auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.path-card { padding: clamp(28px, 4vw, 45px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.path-card-featured { border-color: #66552e; background: linear-gradient(145deg, #201b12, #0c0d0f 65%); }
.offer-badge {
  width: fit-content;
  margin: 14px 0 0;
  padding: 7px 11px;
  border: 1px solid #66552e;
  border-radius: 999px;
  background: rgb(240 193 90 / .1);
  color: var(--accent-2);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .04em;
  line-height: 1.2;
  text-transform: uppercase;
}
.path-card h3 { margin-top: 12px; font-size: clamp(1.4rem, 2.5vw, 2rem); }
.path-card .check-list { margin: 25px 0 30px; }
.path-card .button { width: 100%; }
footer { padding: 34px 0; border-top: 1px solid var(--line); }
footer p { margin: 0; font-size: .75rem; }

.lead-form-modal[hidden] { display: none; }
.lead-form-modal { position: fixed; z-index: 50; inset: 0; display: grid; place-items: start center; padding: 8px 12px; }
.lead-form-backdrop { position: absolute; inset: 0; background: rgb(0 0 0 / .82); backdrop-filter: blur(8px); }
.lead-form-dialog { --calendar-scale: .86; position: relative; z-index: 1; width: min(calc(100vw - 24px), 1120px); height: calc(100dvh - 16px); overflow: hidden; }
.lead-form-frame { width: 100%; height: 100%; overflow: hidden; }
.lead-form-frame iframe { width: calc(100% / var(--calendar-scale)); height: calc(100% / var(--calendar-scale)); border: 0; transform: scale(var(--calendar-scale)); transform-origin: top left; }
.lead-form-close { position: absolute; z-index: 2; top: 10px; right: 10px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: #111; color: white; cursor: pointer; font-size: 1.4rem; }
.lead-form-open { overflow: hidden; }

@media (max-width: 980px) {
  .course-layout { grid-template-columns: 220px minmax(0, 1fr); gap: 35px; }
  .lesson-dfy { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 82px; }
  .container { width: min(calc(100% - 30px), var(--max)); }
  .header-inner { min-height: 64px; }
  .site-header .brand > span, .header-status { display: none; }
  .button-small { min-height: 38px; padding-inline: 15px; font-size: .62rem; }
  .course-hero { padding: 58px 0 62px; }
  .course-hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .course-hero .button { width: 100%; }
  .welcome-hero-grid, .welcome-split, .welcome-steps, .welcome-team-grid { grid-template-columns: 1fr; }
  .welcome-page .course-actions, .welcome-page .course-actions .button { width: 100%; }
  .welcome-person-card { grid-template-columns: 1fr; }
  .welcome-person-image { min-height: 280px; }
  .welcome-final-inner { align-items: flex-start; flex-direction: column; }
  .overview-stats { gap: 6px; }
  .course-layout { padding: 55px 0 80px; grid-template-columns: 1fr; }
  .course-sidebar { position: static; }
  .course-nav { padding: 12px; display: flex; overflow-x: auto; scrollbar-width: none; }
  .course-nav::-webkit-scrollbar { display: none; }
  .course-nav p, .sidebar-dfy { display: none; }
  .course-nav a { min-width: 130px; grid-template-columns: 23px 1fr; }
  .lesson-list { gap: 78px; }
  .lesson-heading { align-items: start; }
  .lesson-heading h2 { font-size: clamp(1.9rem, 9vw, 2.5rem); }
  .video-placeholder, .lesson-video { min-height: 0; }
  .play-icon { width: 58px; height: 58px; margin-bottom: 13px; }
  .video-play-button { width: 58px; height: 58px; }
  .bonus-video-grid { grid-template-columns: 1fr; }
  .lesson-notes-grid { grid-template-columns: 1fr; }
  .prompt-workflow { padding: 18px; }
  .prompt-workflow-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .prompt-grid { grid-template-columns: 1fr; }
  .lesson-setup-grid .prompt-grid { grid-template-columns: 1fr; }
  .lesson-crm-tools { grid-template-columns: 1fr; }
  .prompt-card-actions { grid-template-columns: 1fr; }
  .lesson-actions { align-items: flex-start; flex-direction: column; }
  .lesson-dfy { padding: 22px; grid-template-columns: 1fr; }
  .lesson-dfy .button { width: 100%; }
  .section-heading { margin-bottom: 32px; text-align: left; }
  .path-grid { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}