:root {
  --page: #fff;
  --ink: #111;
  --muted: #555;
  --quiet: #888;
  --line: #e8e8e8;
  --soft: #f6f6f3;
  --max: 1180px;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

strong {
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 1.1fr) minmax(300px, 0.85fr);
  gap: 32px;
  max-width: 1320px;
  min-height: 92vh;
  margin: 0 auto;
  padding: 74px 34px 70px;
  align-items: center;
}

.hero-copy {
  max-width: 460px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 0.94;
  font-weight: 800;
}

.hero-copy p {
  margin-bottom: 28px;
  color: #222;
  font-size: 18px;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 1600 / 1011;
  object-fit: cover;
}

.signup-form {
  width: 100%;
  max-width: 700px;
}

.formkit-alert:empty {
  display: none;
}

.form-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form-fields label {
  flex: 1 1 150px;
  min-width: 0;
}

.form-fields label span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.form-fields input,
.form-fields button {
  width: 100%;
  min-height: 48px;
  border-radius: 4px;
  font: inherit;
}

.form-fields input {
  border: 1px solid #e3e3e3;
  padding: 12px;
  background: #fff;
  color: #000;
}

.form-fields input:focus {
  border-color: #111;
  outline: 2px solid rgba(17, 17, 17, 0.12);
  outline-offset: 1px;
}

.form-fields button {
  flex: 0 0 auto;
  border: 0;
  padding: 0 24px;
  background: #000;
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.form-fields button:hover {
  background: #333;
}

.challenge-plan {
  align-self: start;
}

.countdown {
  max-width: 600px;
  margin: 0 auto 42px;
  padding: 24px 16px;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.countdown p,
.timeline article span,
.eyebrow,
.lesson-grid article span {
  color: var(--quiet);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.countdown p {
  margin-bottom: 14px;
}

.countdown-grid {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.countdown-grid span {
  min-width: 56px;
}

.countdown-grid strong {
  display: block;
  color: var(--ink);
  font-size: 36px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.countdown-grid small {
  display: block;
  margin-top: 8px;
  color: var(--quiet);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.timeline {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 1px;
  background: #ddd;
}

.timeline article {
  position: relative;
  padding-bottom: 36px;
}

.timeline article:last-child {
  padding-bottom: 0;
}

.timeline article::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -32px;
  width: 15px;
  height: 15px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.timeline h2 {
  margin: 4px 0 6px;
  font-size: 18px;
  line-height: 1.2;
}

.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.facilitator,
.underexposed,
.lessons,
.final-cta {
  max-width: var(--max);
  margin: 0 auto;
  padding: 76px 28px;
}

.facilitator h2 {
  margin-bottom: 34px;
  text-align: center;
  font-size: 38px;
  line-height: 1.1;
}

.facilitator-grid {
  display: grid;
  grid-template-columns: minmax(230px, 0.45fr) minmax(300px, 0.7fr);
  gap: 60px;
  align-items: center;
  justify-content: center;
}

.portrait-wrap {
  justify-self: end;
  max-width: 360px;
}

.portrait-wrap img {
  aspect-ratio: 2 / 3;
  object-fit: cover;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.social-links a {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-size: 11px;
  font-weight: 800;
}

.bio {
  max-width: 560px;
  color: #222;
}

.bio ul {
  margin: 18px 0 0;
  padding-left: 22px;
}

.bio li + li {
  margin-top: 12px;
}

.underexposed {
  max-width: 820px;
}

.eyebrow {
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.underexposed h2,
.lessons h2 {
  margin-bottom: 26px;
  font-size: 38px;
  line-height: 1.1;
  font-weight: 800;
}

.lead {
  margin-bottom: 32px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.feature-list {
  display: grid;
  gap: 20px;
  margin-bottom: 30px;
}

.feature-list h3 {
  margin-bottom: 4px;
  font-size: 16px;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.outline-button {
  display: inline-block;
  padding: 14px 25px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.lessons {
  max-width: 1120px;
  padding-top: 54px;
}

.section-heading {
  max-width: 620px;
  margin: 0 auto 70px;
  text-align: center;
}

.section-heading p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 32px;
}

.lesson-grid article {
  padding-top: 20px;
  border-top: 2px solid var(--ink);
}

.lesson-grid h3 {
  margin: 16px 0 14px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 800;
}

.lesson-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.final-cta {
  max-width: 820px;
  border-top: 2px solid var(--ink);
  text-align: center;
}

.final-cta h2 {
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.2;
}

.final-cta p {
  margin-bottom: 28px;
  color: var(--muted);
}

.final-cta .signup-form {
  margin: 0 auto;
}

@media (max-width: 1040px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 1fr);
  }

  .challenge-plan {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1fr);
    gap: 34px;
    align-items: start;
  }

  .countdown {
    margin-bottom: 0;
  }

  .lesson-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 48px 18px 58px;
  }

  .hero-copy,
  .hero-media,
  .challenge-plan {
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
  }

  h1 {
    font-size: 52px;
  }

  .hero-copy p {
    font-size: 17px;
  }

  .form-fields {
    display: grid;
    gap: 12px;
  }

  .form-fields button {
    min-height: 50px;
  }

  .challenge-plan {
    display: block;
  }

  .countdown {
    margin-bottom: 40px;
  }

  .countdown-grid {
    gap: 12px;
  }

  .countdown-grid span {
    min-width: 48px;
  }

  .countdown-grid strong {
    font-size: 30px;
  }

  .facilitator,
  .underexposed,
  .lessons,
  .final-cta {
    padding: 56px 18px;
  }

  .facilitator-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .portrait-wrap {
    justify-self: center;
  }

  .facilitator h2,
  .underexposed h2,
  .lessons h2 {
    font-size: 30px;
  }

  .lesson-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-heading {
    margin-bottom: 48px;
  }
}

@media (max-width: 390px) {
  h1 {
    font-size: 44px;
  }
}