@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,600;12..96,700;12..96,800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: light;
  --sf-body: "Plus Jakarta Sans", "Segoe UI", Arial, sans-serif;
  --sf-display: "Bricolage Grotesque", "Plus Jakarta Sans", sans-serif;
  --sf-paper: #f8f5ed;
  --sf-paper-light: #fffdf8;
  --sf-white: #ffffff;
  --sf-ink: #0b1d48;
  --sf-copy: #44506c;
  --sf-muted: #777e91;
  --sf-purple: #5b2bd8;
  --sf-purple-dark: #3e189f;
  --sf-purple-pale: #eee8ff;
  --sf-cobalt: #1745b8;
  --sf-green: #178751;
  --sf-green-pale: #e8f5ed;
  --sf-gold: #b49347;
  --sf-line: #d8d8d2;
  --sf-shadow: 0 20px 44px rgba(21, 32, 63, .12);
  --sf-width: 1240px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--sf-paper);
}
body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--sf-paper);
  background-image: url("/assets/marketing/paper-texture.jpg");
  background-repeat: repeat;
  background-size: 720px 720px;
  color: var(--sf-ink);
  font-family: var(--sf-body);
  font-size: 16px;
  letter-spacing: 0;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  height: auto;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea { font: inherit; }
button,
a { -webkit-tap-highlight-color: transparent; }

.marketing-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(11, 29, 72, .12);
  background: rgba(255, 253, 248, .94);
  backdrop-filter: blur(16px);
}
.marketing-nav {
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  width: min(var(--sf-width), calc(100% - 48px));
  min-height: 76px;
  margin: 0 auto;
}
.marketing-brand {
  display: flex;
  align-items: center;
  gap: 13px;
  width: fit-content;
}
.marketing-brand img {
  width: 146px;
  height: auto;
}
.marketing-brand span {
  padding-left: 13px;
  border-left: 1px solid rgba(11, 29, 72, .22);
  color: var(--sf-ink);
  font-size: 11px;
  font-weight: 800;
  line-height: 1.25;
  text-transform: uppercase;
}
.marketing-nav nav {
  display: flex;
  justify-content: center;
  gap: 30px;
}
.marketing-nav nav a,
.marketing-login {
  position: relative;
  color: var(--sf-copy);
  font-size: 13px;
  font-weight: 750;
  transition: color .18s ease;
}
.marketing-nav nav a::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 2px;
  background: var(--sf-purple);
  content: "";
  opacity: 0;
  transform: scaleX(.4);
  transition: opacity .18s ease, transform .18s ease;
}
.marketing-nav nav a:hover,
.marketing-login:hover { color: var(--sf-purple); }
.marketing-nav nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}
.marketing-nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
}
.marketing-menu-button {
  display: none;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(11, 29, 72, .24);
  border-radius: 3px;
  background: transparent;
  color: var(--sf-ink);
  font-weight: 800;
  cursor: pointer;
}
.marketing-mobile-menu {
  width: min(100% - 32px, 720px);
  margin: 0 auto;
  padding-bottom: 18px;
}
.marketing-mobile-menu a {
  display: block;
  padding: 13px 2px;
  border-bottom: 1px solid var(--sf-line);
  font-weight: 750;
}

.marketing-cta,
.sf-band-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 51px;
  padding: 0 23px;
  border: 1px solid var(--sf-purple);
  border-radius: 3px;
  background: var(--sf-purple);
  box-shadow: 5px 5px 0 #dcd3ff;
  color: #ffffff;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.marketing-cta::after { margin-left: 11px; content: "→"; }
.marketing-cta:hover {
  border-color: var(--sf-purple-dark);
  background: var(--sf-purple-dark);
  box-shadow: 2px 2px 0 #dcd3ff;
  transform: translate(3px, 3px);
}
.marketing-cta.small {
  min-height: 42px;
  padding: 0 16px;
  box-shadow: none;
  font-size: 12px;
}
.marketing-cta.secondary {
  border-color: var(--sf-line);
  background: transparent;
  box-shadow: none;
  color: var(--sf-ink);
}
.marketing-cta:disabled {
  border-color: #c9c7c0;
  background: #d8d6d0;
  box-shadow: none;
  color: #77756e;
  cursor: not-allowed;
  transform: none;
}
.marketing-text-link,
.marketing-back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--sf-purple-dark);
  font-size: 14px;
  font-weight: 800;
}
.marketing-text-link::after { content: "↗"; }
.marketing-back-link::before { content: "←"; }
.marketing-eyebrow {
  display: block;
  color: var(--sf-purple);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.sf-hero {
  position: relative;
  min-height: 620px;
  height: min(760px, calc(100svh - 76px));
  overflow: hidden;
  border-bottom: 1px solid rgba(11, 29, 72, .12);
}
.sf-hero::before {
  position: absolute;
  top: 48px;
  right: -55px;
  width: 270px;
  height: 23px;
  background: var(--sf-purple);
  content: "";
  opacity: .88;
  transform: rotate(-8deg);
}
.sf-hero::after {
  position: absolute;
  right: 5%;
  bottom: 18px;
  width: 42%;
  height: 98px;
  border-top: 2px solid var(--sf-ink);
  border-radius: 50%;
  content: "";
  opacity: .55;
  transform: rotate(-5deg);
}
.sf-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(500px, 1.06fr);
  align-items: center;
  width: min(1380px, calc(100% - 56px));
  height: 100%;
  margin: 0 auto;
}
.sf-hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
  padding: 42px 0 38px;
}
.sf-section-index {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 260px;
  margin-bottom: 28px;
}
.sf-section-index strong {
  font-family: var(--sf-display);
  font-size: 22px;
  font-weight: 800;
}
.sf-section-index span {
  width: 100%;
  height: 2px;
  background: var(--sf-ink);
  transform: rotate(-1deg);
}
.sf-hero h1 {
  max-width: 720px;
  margin: 14px 0 22px;
  font-family: var(--sf-display);
  font-size: 78px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: .94;
  text-transform: uppercase;
}
.sf-hero h1 span { display: block; }
.sf-hero h1 span:first-child,
.sf-hero h1 span:nth-child(2) {
  display: inline;
  color: var(--sf-purple);
}
.sf-hero h1 span:nth-child(2) {
  margin-left: 16px;
}
.sf-hero h1 span:nth-child(2)::after {
  display: block;
  content: "";
}
.sf-hero-lead {
  width: 100%;
  max-width: 630px;
  margin: 0 0 28px;
  color: var(--sf-copy);
  font-size: 18px;
  font-weight: 550;
  line-height: 1.55;
}
.sf-hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
}
.sf-hero-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 25px 0 0;
  color: var(--sf-copy);
  font-size: 13px;
  font-weight: 650;
}
.sf-hero-note span {
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border: 1px solid var(--sf-green);
  border-radius: 50%;
  color: var(--sf-green);
  font-weight: 900;
}
.sf-hero-art {
  position: relative;
  align-self: stretch;
}
.sf-hero-art img {
  position: absolute;
  top: 50%;
  right: -110px;
  width: 810px;
  max-width: none;
  transform: translateY(-48%);
  filter: drop-shadow(0 24px 22px rgba(23, 34, 71, .15));
}

.sf-benefit-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid rgba(11, 29, 72, .14);
  background: rgba(255, 255, 255, .72);
}
.sf-benefit-strip > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 13px;
  min-height: 112px;
  padding: 18px 28px;
  border-right: 1px solid var(--sf-line);
}
.sf-benefit-strip > div:last-child { border-right: 0; }
.sf-benefit-strip svg {
  width: 33px;
  height: 33px;
  color: var(--sf-purple);
}
.sf-benefit-strip span {
  display: grid;
  gap: 2px;
}
.sf-benefit-strip strong {
  font-size: 14px;
  line-height: 1.25;
}
.sf-benefit-strip small {
  color: var(--sf-copy);
  font-size: 11px;
  line-height: 1.4;
}

.sf-courses,
.sf-process,
.sf-certificate,
.sf-faq,
.catalog-intro,
.catalog-grid,
.course-detail-layout,
.sf-detail-hero {
  width: min(var(--sf-width), calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}
.sf-courses { padding: 112px 0 92px; }
.sf-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  align-items: end;
  gap: 66px;
  margin-bottom: 48px;
}
.sf-section-heading.compact {
  grid-template-columns: 1fr;
  max-width: 860px;
}
.sf-section-heading h2,
.sf-process h2,
.sf-certificate h2,
.sf-faq h2,
.catalog-intro h1,
.sf-detail-hero h1,
.course-detail-content h2,
.purchase-result h1,
.marketing-state h1 {
  margin: 10px 0 0;
  font-family: var(--sf-display);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.02;
}
.sf-section-heading h2,
.sf-process h2,
.sf-certificate h2,
.sf-faq h2 { font-size: 58px; }
.sf-section-heading h2 em,
.sf-certificate h2 em {
  position: relative;
  color: var(--sf-purple);
  font-style: normal;
  white-space: nowrap;
}
.sf-section-heading h2 em::after,
.sf-certificate h2 em::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 3px;
  background: var(--sf-purple);
  content: "";
  transform: rotate(-1deg);
}
.sf-section-heading > p {
  margin: 0 0 6px;
  color: var(--sf-copy);
  font-size: 16px;
}
.marketing-course-list {
  display: grid;
  gap: 54px;
}
.sf-course-feature {
  display: grid;
  grid-template-columns: minmax(360px, .86fr) minmax(500px, 1.14fr);
  align-items: center;
  gap: 32px;
}
.sf-course-feature:nth-child(even) .sf-course-paper { order: 2; }
.sf-course-paper {
  position: relative;
  min-height: 510px;
  padding: 38px 38px 34px;
  overflow: hidden;
  border: 1px solid #ddd6c9;
  background-color: #fffef9;
  background-image: url("/assets/marketing/paper-texture.jpg");
  background-size: 620px 620px;
  box-shadow: 10px 15px 0 rgba(75, 48, 24, .06), var(--sf-shadow);
  clip-path: polygon(0 1%, 14% 0, 31% 1%, 47% 0, 65% 1%, 80% 0, 100% 1%, 99% 19%, 100% 38%, 99% 56%, 100% 76%, 99% 100%, 81% 99%, 62% 100%, 42% 99%, 22% 100%, 0 99%, 1% 78%, 0 60%, 1% 39%, 0 20%);
}
.sf-course-number {
  position: absolute;
  top: 0;
  left: 20px;
  color: rgba(91, 43, 216, .16);
  font-family: var(--sf-display);
  font-size: 142px;
  font-weight: 800;
  line-height: .9;
}
.sf-course-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 438px;
  padding: 90px 5px 0;
}
.sf-course-copy h3 {
  max-width: 480px;
  margin: 8px 0 15px;
  font-family: var(--sf-display);
  font-size: 42px;
  line-height: 1.02;
}
.sf-course-copy h3 a:hover { color: var(--sf-purple); }
.sf-course-copy > p {
  margin: 0 0 24px;
  color: var(--sf-copy);
}
.sf-course-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: auto;
  padding: 18px 0;
  border-top: 1px solid rgba(11, 29, 72, .24);
  border-bottom: 1px solid rgba(11, 29, 72, .16);
}
.sf-course-facts span {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border-right: 1px solid var(--sf-line);
  font-size: 12px;
}
.sf-course-facts span:first-child { padding-left: 0; }
.sf-course-facts span:last-child {
  padding-right: 0;
  border-right: 0;
}
.sf-course-facts svg {
  width: 20px;
  height: 20px;
  color: var(--sf-green);
}
.sf-course-purchase {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 13px;
  padding-top: 22px;
}
.sf-course-purchase > strong {
  color: var(--sf-purple);
  font-family: var(--sf-display);
  font-size: 27px;
}
.sf-course-purchase > small {
  color: var(--sf-muted);
  font-size: 10px;
}
.sf-course-purchase .marketing-cta { min-height: 47px; }

.sf-product-preview {
  overflow: hidden;
  border: 1px solid rgba(11, 29, 72, .2);
  border-radius: 8px;
  background: var(--sf-white);
  box-shadow: var(--sf-shadow);
  transform: rotate(.35deg);
}
.sf-browser-bar {
  display: grid;
  grid-template-columns: 92px 1fr 40px;
  align-items: center;
  min-height: 43px;
  padding: 0 14px;
  border-bottom: 1px solid var(--sf-line);
  color: var(--sf-copy);
  font-size: 10px;
  text-align: center;
}
.sf-browser-dots {
  display: flex;
  gap: 6px;
}
.sf-browser-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e96b5f;
}
.sf-browser-dots i:nth-child(2) { background: #e1ae3e; }
.sf-browser-dots i:nth-child(3) { background: #4eae71; }
.sf-preview-body {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(205px, .7fr);
  min-height: 390px;
}
.sf-video-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px;
  overflow: hidden;
  border-right: 1px solid var(--sf-line);
  background: #f2effd;
}
.sf-video-preview::after {
  position: absolute;
  right: -80px;
  bottom: -70px;
  width: 270px;
  height: 92px;
  border-top: 2px solid var(--sf-purple);
  border-radius: 50%;
  content: "";
  transform: rotate(-16deg);
}
.sf-preview-label {
  color: var(--sf-purple);
  font-size: 10px;
  font-weight: 850;
  text-transform: uppercase;
}
.sf-video-center {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
}
.sf-video-center svg {
  width: 64px;
  height: 64px;
  padding: 17px;
  border: 2px solid var(--sf-purple);
  border-radius: 50%;
  background: var(--sf-white);
  color: var(--sf-purple);
}
.sf-video-center span {
  max-width: 330px;
  font-family: var(--sf-display);
  font-size: 20px;
  font-weight: 750;
  line-height: 1.25;
}
.sf-video-progress {
  position: relative;
  z-index: 1;
  height: 4px;
  background: #d5d0e7;
}
.sf-video-progress span {
  display: block;
  width: 38%;
  height: 100%;
  background: var(--sf-green);
}
.sf-preview-playlist {
  padding: 20px 15px;
  background: #ffffff;
}
.sf-preview-playlist > div {
  display: grid;
  grid-template-columns: 25px 1fr auto;
  align-items: center;
  gap: 8px;
  min-height: 49px;
  padding: 7px 6px;
  border-bottom: 1px solid #ecebe6;
}
.sf-preview-playlist > div:first-child {
  grid-template-columns: 1fr auto;
  min-height: 38px;
  padding-top: 0;
}
.sf-preview-playlist > div.active {
  border-left: 3px solid var(--sf-green);
  background: var(--sf-green-pale);
}
.sf-preview-playlist span {
  color: var(--sf-purple);
  font-size: 10px;
  font-weight: 800;
}
.sf-preview-playlist strong {
  overflow: hidden;
  font-size: 10px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sf-preview-playlist small {
  color: var(--sf-muted);
  font-size: 8px;
}
.sf-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 57px;
  padding: 0 18px;
  border-top: 1px solid var(--sf-line);
  color: var(--sf-copy);
  font-size: 10px;
}
.sf-preview-footer b {
  padding: 9px 13px;
  border-radius: 3px;
  background: var(--sf-green);
  color: #ffffff;
}
.section-link { margin-top: 32px; }
.marketing-empty {
  padding: 60px;
  border-top: 2px solid var(--sf-ink);
  border-bottom: 1px solid var(--sf-line);
  text-align: center;
}
.marketing-empty > span {
  color: var(--sf-purple);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}
.marketing-empty h3 {
  margin: 12px 0 6px;
  font-family: var(--sf-display);
  font-size: 32px;
}
.marketing-empty p { color: var(--sf-copy); }

.sf-process {
  padding: 92px 0 112px;
  border-top: 1px solid rgba(11, 29, 72, .16);
}
.sf-process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}
.sf-process-track::before {
  position: absolute;
  top: 52px;
  right: 4%;
  left: 4%;
  height: 2px;
  background: var(--sf-ink);
  content: "";
  opacity: .75;
  transform: rotate(.4deg);
}
.sf-process-track article {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 105px 1fr;
  align-items: center;
  gap: 20px;
}
.sf-process-track article > span {
  display: grid;
  width: 105px;
  height: 105px;
  place-items: center;
  border: 2px solid var(--sf-ink);
  border-radius: 50%;
  background: var(--sf-paper);
  color: var(--sf-purple);
  font-family: var(--sf-display);
  font-size: 34px;
  font-weight: 800;
  transform: rotate(-3deg);
}
.sf-process-track article:nth-child(2) > span { transform: rotate(2deg); }
.sf-process-track h3 {
  margin: 0;
  font-family: var(--sf-display);
  font-size: 28px;
}
.sf-process-track p {
  margin: 7px 0 0;
  color: var(--sf-copy);
  font-size: 13px;
}

.sf-certificate {
  display: grid;
  grid-template-columns: minmax(330px, .72fr) minmax(560px, 1.28fr);
  align-items: center;
  gap: 66px;
  padding: 105px 0 118px;
  border-top: 1px solid rgba(11, 29, 72, .16);
}
.sf-certificate-copy > p {
  margin: 24px 0;
  color: var(--sf-copy);
  font-size: 16px;
}
.sf-certificate-copy ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.sf-certificate-copy li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
}
.sf-certificate-copy li span {
  color: var(--sf-green);
  font-size: 20px;
  font-weight: 900;
}
.sf-certificate-visual {
  position: relative;
  padding: 22px 0 34px;
}
.sf-certificate-visual::before {
  position: absolute;
  top: -10px;
  right: 15%;
  width: 170px;
  height: 20px;
  background: rgba(91, 43, 216, .82);
  content: "";
  transform: rotate(4deg);
}
.sf-certificate-visual img {
  width: 100%;
  border: 1px solid #d6d1c7;
  box-shadow: 0 25px 46px rgba(17, 28, 58, .17);
  transform: rotate(1.2deg);
}
.sf-certificate-annotation {
  position: absolute;
  right: -28px;
  bottom: 0;
  width: 190px;
  color: var(--sf-purple);
  font-family: var(--sf-display);
  font-size: 15px;
  font-weight: 750;
  transform: rotate(-4deg);
}
.sf-certificate-annotation::before {
  position: absolute;
  right: 100%;
  bottom: 13px;
  width: 86px;
  height: 32px;
  border-bottom: 2px solid var(--sf-purple);
  border-left: 2px solid var(--sf-purple);
  border-radius: 0 0 0 50%;
  content: "";
}

.sf-business-band {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 42px max(30px, calc((100% - var(--sf-width)) / 2));
  background-color: var(--sf-purple);
  background-image: url("/assets/marketing/paper-texture.jpg");
  background-blend-mode: soft-light;
  color: #ffffff;
}
.sf-business-icon svg {
  width: 65px;
  height: 65px;
  stroke-width: 1.3;
}
.sf-business-band span {
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}
.sf-business-band h2 {
  margin: 3px 0 4px;
  font-family: var(--sf-display);
  font-size: 31px;
  line-height: 1.1;
}
.sf-business-band p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
}
.sf-band-cta {
  min-height: 50px;
  border-color: #ffffff;
  background: transparent;
  box-shadow: none;
  color: #ffffff;
}
.sf-band-cta::after { margin-left: 11px; content: "→"; }
.sf-band-cta:hover {
  background: #ffffff;
  color: var(--sf-purple);
  transform: translateY(-2px);
}

.sf-faq {
  display: grid;
  grid-template-columns: minmax(250px, .55fr) minmax(0, 1.45fr);
  gap: 85px;
  padding: 104px 0 118px;
}
.sf-faq h2 { font-size: 46px; }
.sf-stamp {
  display: grid;
  width: 116px;
  height: 116px;
  margin-top: 46px;
  place-items: center;
  border: 3px double var(--sf-green);
  border-radius: 50%;
  color: var(--sf-green);
  font-family: var(--sf-display);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-8deg);
}
.sf-faq-list {
  border-top: 2px solid var(--sf-ink);
}
.sf-faq details {
  border-bottom: 1px solid var(--sf-line);
}
.sf-faq summary {
  position: relative;
  padding: 23px 50px 23px 0;
  font-weight: 800;
  list-style: none;
  cursor: pointer;
}
.sf-faq summary::-webkit-details-marker { display: none; }
.sf-faq summary::after {
  position: absolute;
  top: 19px;
  right: 5px;
  color: var(--sf-purple);
  content: "+";
  font-family: var(--sf-display);
  font-size: 24px;
}
.sf-faq details[open] summary::after { content: "−"; }
.sf-faq details p {
  margin: -4px 0 22px;
  padding-right: 60px;
  color: var(--sf-copy);
}

.marketing-footer {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr .65fr .75fr 1.2fr;
  gap: 48px;
  padding: 64px max(30px, calc((100% - var(--sf-width)) / 2)) 82px;
  border-top: 2px solid var(--sf-ink);
  background: rgba(255, 253, 248, .72);
}
.marketing-footer::before {
  position: absolute;
  top: -7px;
  left: 5%;
  width: 180px;
  height: 4px;
  background: var(--sf-purple);
  content: "";
  transform: rotate(-1deg);
}
.marketing-footer > div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.sf-footer-brand > div {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sf-footer-brand img { width: 140px; }
.sf-footer-brand span {
  padding-left: 12px;
  border-left: 1px solid var(--sf-line);
  font-size: 10px;
  font-weight: 850;
  text-transform: uppercase;
}
.marketing-footer p {
  max-width: 390px;
  margin: 10px 0 0;
  color: var(--sf-copy);
  font-size: 12px;
}
.marketing-footer strong {
  margin-bottom: 5px;
  font-family: var(--sf-display);
}
.marketing-footer a {
  color: var(--sf-copy);
  font-size: 12px;
}
.marketing-footer a:hover { color: var(--sf-purple); }
.sf-footer-note {
  position: absolute;
  right: max(30px, calc((100% - var(--sf-width)) / 2));
  bottom: 28px;
  left: max(30px, calc((100% - var(--sf-width)) / 2));
  max-width: none !important;
  padding-top: 13px;
  border-top: 1px solid var(--sf-line);
}

.catalog-intro {
  padding: 96px 0 52px;
  border-bottom: 1px solid rgba(11, 29, 72, .14);
}
.catalog-intro > div { max-width: 870px; }
.catalog-intro h1 {
  margin-top: 12px;
  font-size: 66px;
  text-transform: uppercase;
}
.catalog-intro p {
  max-width: 640px;
  margin: 20px 0 0;
  color: var(--sf-copy);
  font-size: 17px;
}
.catalog-grid {
  display: grid;
  gap: 65px;
  padding: 76px 0 110px;
}

.sf-detail-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  align-items: end;
  gap: 60px;
  min-height: 530px;
  padding: 76px 0 62px;
  border-bottom: 1px solid rgba(11, 29, 72, .18);
}
.sf-detail-copy { max-width: 870px; }
.sf-detail-copy .sf-section-index { margin: 44px 0 24px; }
.sf-detail-hero h1 {
  margin: 10px 0 18px;
  font-size: 68px;
  text-transform: uppercase;
}
.sf-detail-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--sf-copy);
  font-size: 17px;
}
.sf-detail-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 37px;
  border-top: 1px solid var(--sf-ink);
  border-bottom: 1px solid var(--sf-line);
}
.sf-detail-facts span {
  display: grid;
  gap: 2px;
  min-width: 150px;
  padding: 14px 22px 14px 0;
  color: var(--sf-copy);
  font-size: 10px;
}
.sf-detail-facts strong {
  color: var(--sf-ink);
  font-family: var(--sf-display);
  font-size: 20px;
}
.sf-detail-mark {
  display: grid;
  width: 160px;
  height: 160px;
  place-items: center;
  border: 3px double var(--sf-green);
  border-radius: 50%;
  color: var(--sf-green);
  text-align: center;
  text-transform: uppercase;
  transform: rotate(7deg);
}
.sf-detail-mark span,
.sf-detail-mark small {
  font-size: 10px;
  font-weight: 850;
}
.sf-detail-mark strong {
  margin: -22px 0;
  font-size: 48px;
}
.course-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: start;
  gap: 70px;
  padding: 86px 0 118px;
}
.course-detail-content > h2 {
  margin-bottom: 32px;
  font-size: 46px;
}
.public-curriculum {
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--sf-ink);
  list-style: none;
}
.public-curriculum li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--sf-line);
}
.public-curriculum li > span {
  color: var(--sf-purple);
  font-family: var(--sf-display);
  font-size: 17px;
  font-weight: 800;
}
.public-curriculum li div {
  display: grid;
  gap: 3px;
}
.public-curriculum small {
  color: var(--sf-muted);
  font-size: 11px;
}
.course-certificate-note {
  display: grid;
  grid-template-columns: 1fr 310px;
  align-items: center;
  gap: 30px;
  margin-top: 68px;
  padding: 28px 0;
  border-top: 1px solid var(--sf-ink);
  border-bottom: 1px solid var(--sf-line);
}
.course-certificate-note h2 {
  margin: 7px 0 9px;
  font-size: 32px;
}
.course-certificate-note p {
  margin: 0;
  color: var(--sf-copy);
}
.course-certificate-note img {
  width: 100%;
  border: 1px solid var(--sf-line);
  box-shadow: 7px 8px 0 rgba(91, 43, 216, .11);
  transform: rotate(1deg);
}
.purchase-panel {
  position: sticky;
  top: 101px;
  padding: 28px;
  border: 1px solid rgba(91, 43, 216, .35);
  border-top: 5px solid var(--sf-purple);
  border-radius: 5px;
  background: #fffefa;
  box-shadow: 8px 9px 0 #e8e0ff;
}
.purchase-panel > span {
  color: var(--sf-purple);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}
.purchase-price {
  display: block;
  margin: 5px 0 9px;
  font-family: var(--sf-display);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}
.purchase-panel > p {
  margin: 0 0 22px;
  color: var(--sf-copy);
  font-size: 12px;
}
.public-checkout-form {
  display: grid;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--sf-line);
}
.public-checkout-form > label:not(.checkout-consent) {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
}
.public-checkout-form input[type="text"],
.public-checkout-form input[type="email"],
.public-checkout-form > label > input:not([type]) {
  width: 100%;
  min-height: 47px;
  padding: 0 12px;
  border: 1px solid #c8c6be;
  border-radius: 3px;
  background: #ffffff;
  color: var(--sf-ink);
  outline: 0;
}
.public-checkout-form input:focus {
  border-color: var(--sf-purple);
  box-shadow: 0 0 0 3px rgba(91, 43, 216, .12);
}
.checkout-consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 9px;
  align-items: start;
  color: var(--sf-copy);
  font-size: 10px;
  line-height: 1.5;
}
.checkout-consent input {
  width: 17px;
  height: 17px;
  margin: 1px 0 0;
}
.checkout-consent a {
  color: var(--sf-purple);
  text-decoration: underline;
}
.checkout-button { width: 100%; }
.public-checkout-form > p {
  margin: 0;
  color: var(--sf-muted);
  font-size: 9px;
  text-align: center;
}
.owned-course {
  display: grid;
  gap: 15px;
  padding-top: 19px;
  border-top: 1px solid var(--sf-line);
}

.marketing-notice {
  width: min(var(--sf-width), calc(100% - 48px));
  margin: 22px auto 0;
  padding: 14px 17px;
  border: 1px solid var(--sf-line);
  border-left: 4px solid var(--sf-purple);
  background: #ffffff;
  font-weight: 700;
}
.marketing-notice.error { border-left-color: #bd3249; }
.marketing-notice.success { border-left-color: var(--sf-green); }
.purchase-result,
.marketing-state {
  width: min(680px, calc(100% - 40px));
  margin: 90px auto 120px;
  padding: 46px;
  border: 1px solid var(--sf-line);
  border-top: 5px solid var(--sf-purple);
  border-radius: 5px;
  background: #fffefa;
  box-shadow: 8px 9px 0 #e8e0ff;
}
.purchase-result.success { border-top-color: var(--sf-green); }
.purchase-result-mark {
  display: inline-flex;
  padding: 5px 8px;
  border-radius: 3px;
  background: var(--sf-purple-pale);
  color: var(--sf-purple-dark);
  font-size: 11px;
  font-weight: 850;
}
.purchase-result.success .purchase-result-mark {
  background: var(--sf-green-pale);
  color: var(--sf-green);
}
.purchase-result h1,
.marketing-state h1 {
  margin-top: 17px;
  font-size: 49px;
}
.purchase-result > p { color: var(--sf-copy); }
.purchase-summary {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px 20px;
  margin: 27px 0;
  padding: 19px 0;
  border-top: 1px solid var(--sf-line);
  border-bottom: 1px solid var(--sf-line);
}
.purchase-summary span { color: var(--sf-copy); }

.marketing-js .marketing-reveal {
  opacity: 1;
  transform: none;
}
.marketing-js .marketing-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: transform .4s ease;
}

@media (max-width: 1120px) {
  .marketing-nav { grid-template-columns: 230px 1fr auto; }
  .marketing-nav nav { gap: 20px; }
  .sf-hero-inner {
    grid-template-columns: minmax(0, 1fr) 500px;
  }
  .sf-hero h1 { font-size: 64px; }
  .sf-hero-art img {
    right: -155px;
    width: 720px;
  }
  .sf-course-feature {
    grid-template-columns: minmax(330px, .8fr) minmax(470px, 1.2fr);
  }
  .sf-course-paper { padding: 34px 30px; }
  .sf-course-copy h3 { font-size: 36px; }
  .sf-course-purchase {
    grid-template-columns: 1fr;
  }
  .sf-course-purchase .marketing-cta { width: 100%; }
  .sf-process-track article {
    grid-template-columns: 82px 1fr;
  }
  .sf-process-track article > span {
    width: 82px;
    height: 82px;
  }
  .sf-process-track::before { top: 41px; }
  .sf-certificate-annotation { right: 0; }
}

@media (max-width: 930px) {
  .marketing-nav {
    grid-template-columns: 1fr auto;
    width: min(100% - 32px, 880px);
  }
  .marketing-nav nav,
  .marketing-nav-actions > .marketing-login,
  .marketing-nav-actions > .marketing-cta { display: none; }
  .marketing-menu-button { display: inline-flex; align-items: center; }
  .sf-hero {
    height: auto;
    min-height: 760px;
  }
  .sf-hero-inner {
    grid-template-columns: 1fr;
    align-content: start;
  }
  .sf-hero-copy {
    max-width: 690px;
    padding-top: 58px;
  }
  .sf-hero-art {
    min-height: 350px;
  }
  .sf-hero-art img {
    top: 45%;
    right: -30px;
    width: 670px;
  }
  .sf-hero::after { bottom: 7px; width: 70%; }
  .sf-benefit-strip { grid-template-columns: repeat(2, 1fr); }
  .sf-benefit-strip > div:nth-child(2) { border-right: 0; }
  .sf-benefit-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--sf-line); }
  .sf-section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .sf-course-feature {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .sf-course-feature:nth-child(even) .sf-course-paper { order: 0; }
  .sf-course-paper { min-height: 460px; }
  .sf-process-track {
    grid-template-columns: 1fr;
  }
  .sf-process-track::before {
    top: 35px;
    bottom: 35px;
    left: 41px;
    width: 2px;
    height: auto;
  }
  .sf-process-track article {
    grid-template-columns: 82px 1fr;
  }
  .sf-certificate {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .sf-certificate-copy { max-width: 650px; }
  .sf-business-band {
    grid-template-columns: 60px 1fr;
  }
  .sf-business-band .sf-band-cta {
    grid-column: 2;
    justify-self: start;
  }
  .sf-faq {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .sf-stamp { display: none; }
  .marketing-footer {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
  .marketing-footer > div:last-of-type { grid-column: 2 / -1; }
  .sf-detail-hero {
    grid-template-columns: 1fr;
  }
  .sf-detail-mark { display: none; }
  .course-detail-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
  .purchase-panel {
    position: static;
    max-width: 620px;
  }
}

@media (max-width: 640px) {
  body { background-size: 520px 520px; }
  .marketing-nav { min-height: 67px; }
  .marketing-brand img { width: 132px; }
  .marketing-brand span { display: none; }
  .sf-hero { min-height: 0; }
  .sf-hero::before {
    top: 18px;
    right: -82px;
    width: 210px;
    height: 17px;
  }
  .sf-hero-inner {
    width: calc(100% - 32px);
  }
  .sf-hero-copy {
    width: 100%;
    min-width: 0;
    padding-top: 40px;
  }
  .sf-section-index {
    width: 170px;
    margin-bottom: 20px;
  }
  .sf-hero h1 {
    margin-top: 11px;
    font-size: 47px;
    line-height: .98;
  }
  .sf-hero h1 span,
  .sf-hero h1 span:first-child,
  .sf-hero h1 span:nth-child(2) {
    display: block;
    margin-left: 0;
  }
  .sf-hero h1 span:nth-child(2)::after { display: none; }
  .sf-hero-lead {
    max-width: 100%;
    font-size: 15px;
    overflow-wrap: anywhere;
  }
  .sf-hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 19px;
  }
  .sf-hero-actions .marketing-cta { width: 100%; }
  .sf-hero-note { align-items: flex-start; font-size: 11px; }
  .sf-hero-note span { flex: 0 0 auto; }
  .sf-hero-art { min-height: 215px; }
  .sf-hero-art img {
    top: -6px;
    right: -62px;
    width: 425px;
    transform: none;
  }
  .sf-hero::after { display: none; }
  .sf-benefit-strip { grid-template-columns: 1fr; }
  .sf-benefit-strip > div {
    min-height: 88px;
    padding: 14px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--sf-line);
  }
  .sf-benefit-strip > div:last-child { border-bottom: 0; }
  .sf-courses,
  .sf-process,
  .sf-certificate,
  .sf-faq,
  .catalog-intro,
  .catalog-grid,
  .course-detail-layout,
  .sf-detail-hero {
    width: calc(100% - 32px);
  }
  .sf-courses { padding: 76px 0 64px; }
  .sf-section-heading h2,
  .sf-process h2,
  .sf-certificate h2 { font-size: 39px; }
  .sf-section-heading h2 em,
  .sf-certificate h2 em { white-space: normal; }
  .sf-section-heading > p { font-size: 14px; }
  .sf-course-paper {
    min-height: 0;
    padding: 28px 23px;
    clip-path: none;
  }
  .sf-course-number {
    left: 10px;
    font-size: 96px;
  }
  .sf-course-copy {
    min-height: 0;
    padding-top: 70px;
  }
  .sf-course-copy h3 { font-size: 33px; }
  .sf-course-facts {
    grid-template-columns: 1fr;
    gap: 11px;
  }
  .sf-course-facts span {
    padding: 0;
    border-right: 0;
  }
  .sf-course-purchase { margin-top: 3px; }
  .sf-preview-body {
    grid-template-columns: 1fr;
  }
  .sf-video-preview {
    min-height: 290px;
    border-right: 0;
    border-bottom: 1px solid var(--sf-line);
  }
  .sf-preview-playlist > div:nth-child(n+4) { display: none; }
  .sf-preview-footer {
    align-items: stretch;
    flex-direction: column;
    gap: 9px;
    padding: 12px;
  }
  .sf-preview-footer b { text-align: center; }
  .sf-process { padding: 66px 0 80px; }
  .sf-process-track article {
    grid-template-columns: 66px 1fr;
  }
  .sf-process-track article > span {
    width: 66px;
    height: 66px;
    font-size: 26px;
  }
  .sf-process-track::before {
    left: 32px;
  }
  .sf-process-track h3 { font-size: 24px; }
  .sf-certificate { padding: 72px 0 86px; }
  .sf-certificate-annotation {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: auto;
    margin: 18px 0 0;
    text-align: right;
  }
  .sf-certificate-annotation::before { display: none; }
  .sf-business-band {
    grid-template-columns: 1fr;
    gap: 17px;
    padding: 38px 24px;
  }
  .sf-business-icon svg { width: 50px; height: 50px; }
  .sf-business-band h2 { font-size: 28px; }
  .sf-business-band .sf-band-cta {
    grid-column: 1;
    width: 100%;
  }
  .sf-faq { padding: 76px 0 88px; }
  .sf-faq h2 { font-size: 37px; }
  .sf-faq details p { padding-right: 10px; }
  .marketing-footer {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 48px 22px 110px;
  }
  .marketing-footer > div:last-of-type { grid-column: auto; }
  .sf-footer-note {
    right: 22px;
    bottom: 24px;
    left: 22px;
  }
  .catalog-intro { padding: 66px 0 38px; }
  .catalog-intro h1 { font-size: 45px; }
  .catalog-grid { padding: 52px 0 80px; }
  .sf-detail-hero {
    min-height: 0;
    padding: 48px 0;
  }
  .sf-detail-copy .sf-section-index { margin: 32px 0 20px; }
  .sf-detail-hero h1 { font-size: 45px; }
  .sf-detail-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .course-detail-layout { padding: 65px 0 88px; }
  .course-detail-content > h2 { font-size: 37px; }
  .course-certificate-note {
    grid-template-columns: 1fr;
  }
  .purchase-panel { padding: 22px; }
  .purchase-result,
  .marketing-state {
    margin-top: 54px;
    padding: 27px 21px;
  }
  .purchase-result h1,
  .marketing-state h1 { font-size: 39px; }
  .purchase-summary { grid-template-columns: 1fr; gap: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  .marketing-js .marketing-reveal {
    opacity: 1;
    transform: none;
  }
}
.coupon-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 10px; }
.coupon-entry input { text-transform: uppercase; }
.coupon-entry label { display: grid; gap: 6px; font-size: 12px; font-weight: 800; min-width: 0; }
.coupon-entry .marketing-cta { font-size: 13px; padding: 12px; min-height: 46px; }
.public-checkout-form > [data-coupon-message] { color: #187244; font-size: 13px; text-align: left; line-height: 1.5; }
.public-checkout-form > [data-coupon-message].error { color: #b42336; }
@media (max-width: 420px) { .coupon-entry { grid-template-columns: 1fr; } }