:root {
  color-scheme: dark;
  --bg: #020403;
  --panel: #07110f;
  --panel-2: #0b1715;
  --line: rgba(121, 255, 222, 0.17);
  --line-strong: rgba(121, 255, 222, 0.38);
  --text: #f5fffc;
  --muted: #a8b9b3;
  --dim: #63746f;
  --accent: #31f4c8;
  --accent-2: #d7ff68;
  --danger: #ff5f8f;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(49, 244, 200, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49, 244, 200, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 70% 0%, rgba(49, 244, 200, 0.16), transparent 32rem),
    radial-gradient(circle at 8% 28%, rgba(215, 255, 104, 0.09), transparent 26rem),
    var(--bg);
  background-size: 44px 44px, 44px 44px, auto, auto, auto;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(121, 255, 222, 0.12);
  background: rgba(2, 4, 3, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-weight: 900;
  letter-spacing: 0.04em;
}

.brand small {
  max-width: 320px;
  overflow: hidden;
  color: var(--muted);
  font: 700 10px/1.1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

nav a:hover,
.text-link:hover {
  color: var(--accent);
}

.header-cta {
  justify-self: end;
  border: 1px solid var(--line-strong);
  padding: 10px 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 144px clamp(20px, 6vw, 84px) 58px;
  border-bottom: 1px solid var(--line);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(2, 4, 3, 0.96) 0%, rgba(2, 4, 3, 0.72) 52%, rgba(2, 4, 3, 0.86) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 34%, rgba(2, 4, 3, 0.22) 100%);
}

.hero-content {
  max-width: 1000px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--accent);
  font: 800 12px/1.2 "JetBrains Mono", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(48px, 8.4vw, 112px);
  font-weight: 950;
  line-height: 0.9;
  overflow-wrap: anywhere;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4.5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.96;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 15px 22px;
  font-weight: 900;
  text-transform: uppercase;
}

.primary-button {
  background: var(--accent);
  color: #00110d;
  box-shadow: 0 0 34px rgba(49, 244, 200, 0.22);
}

.secondary-button {
  border-color: var(--line-strong);
  background: rgba(2, 4, 3, 0.6);
  color: var(--text);
}

.primary-button:hover {
  background: var(--accent-2);
}

.secondary-button:hover,
.header-cta:hover {
  border-color: var(--accent);
  background: rgba(49, 244, 200, 0.1);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 46px;
}

.signal-strip span {
  border: 1px solid var(--line);
  background: rgba(7, 17, 15, 0.68);
  padding: 9px 12px;
  color: var(--muted);
  font: 800 11px/1 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.intro-band,
.method,
.tracks,
.mentor,
.final-cta,
.pain-grid {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  gap: 42px;
  padding: 72px 0;
}

.intro-band p:last-child,
.mentor p,
.final-cta p {
  color: var(--muted);
  font-size: 18px;
}

.pain-grid,
.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.pain-grid {
  padding-bottom: 84px;
}

.pain-grid article,
.track-grid article {
  min-height: 220px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 23, 21, 0.9), rgba(3, 7, 6, 0.86));
  padding: 28px;
  box-shadow: var(--shadow);
}

.pain-grid span {
  color: var(--accent-2);
  font: 900 13px "JetBrains Mono", monospace;
}

.pain-grid p,
.track-grid p,
.method-row p {
  color: var(--muted);
}

.method {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.ebook-section,
.platform-section,
.courses-section {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.ebook-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(300px, 1.05fr);
  gap: 42px;
  align-items: start;
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.ebook-copy p,
.platform-heading p {
  color: var(--muted);
  font-size: 18px;
}

.ebook-points {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.ebook-points li {
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  color: var(--muted);
}

.ebook-form {
  display: grid;
  gap: 16px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 85% 0%, rgba(49, 244, 200, 0.14), transparent 18rem),
    rgba(3, 9, 8, 0.92);
  padding: clamp(22px, 4vw, 34px);
  box-shadow: var(--shadow);
}

.form-title {
  margin-bottom: 4px;
  font-size: 22px;
  font-weight: 900;
}

.form-subtitle,
.form-status {
  color: var(--muted);
  font-size: 14px;
}

.ebook-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ebook-form input,
.ebook-form select,
.ebook-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #020403;
  color: var(--text);
  font: 600 15px Inter, sans-serif;
  padding: 13px 14px;
  outline: none;
}

.ebook-form textarea {
  min-height: 104px;
  resize: vertical;
}

.ebook-form input:focus,
.ebook-form select:focus,
.ebook-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(49, 244, 200, 0.12);
}

.ebook-form .primary-button {
  width: 100%;
  cursor: pointer;
}

.download-link {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  font-weight: 900;
  text-transform: uppercase;
}

.platform-section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.platform-heading {
  max-width: 860px;
  position: static;
}

.capability-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.capability-grid span {
  border: 1px solid var(--line);
  background: rgba(7, 17, 15, 0.72);
  padding: 10px 12px;
  color: var(--muted);
  font: 800 12px/1.1 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.exposure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.exposure-grid article {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 23, 21, 0.9), rgba(3, 7, 6, 0.86));
  padding: 24px;
}

.exposure-grid p {
  color: var(--muted);
}

.courses-section {
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.course-card {
  display: grid;
  grid-template-columns: 52px minmax(260px, 0.92fr) minmax(340px, 1.08fr);
  gap: 22px;
  align-items: start;
  margin-top: 34px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 78% 22%, rgba(49, 244, 200, 0.14), transparent 22rem),
    linear-gradient(135deg, rgba(5, 14, 13, 0.98), rgba(1, 5, 4, 0.96));
  padding: clamp(22px, 4vw, 36px);
  box-shadow: var(--shadow);
}

.course-card + .course-card {
  margin-top: 22px;
}

.course-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(49, 244, 200, 0.38);
  background: rgba(49, 244, 200, 0.08);
  color: var(--accent);
  font: 900 24px "JetBrains Mono", monospace;
}

.course-label {
  margin-bottom: 8px;
  color: var(--accent);
  font: 800 11px/1.2 "JetBrains Mono", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.course-copy h3 {
  max-width: 560px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 0.98;
}

.course-copy p:not(.course-label) {
  max-width: 540px;
  color: var(--muted);
  font-size: 18px;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.course-tags span {
  border: 1px solid var(--line);
  padding: 8px 10px;
  color: var(--muted);
  font: 800 11px/1 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

.course-video-frame {
  overflow: hidden;
  border: 12px solid #050606;
  background: #101514;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

.course-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #050606;
}

.section-heading {
  position: static;
  top: auto;
  align-self: start;
}

.platform-section .section-heading,
.courses-section .section-heading,
.tracks .section-heading {
  position: static;
  top: auto;
}

.method-list {
  display: grid;
  gap: 12px;
}

.method-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  align-items: start;
  border: 1px solid var(--line);
  background: rgba(2, 4, 3, 0.58);
  padding: 24px;
}

.method-row > span {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font: 900 26px "JetBrains Mono", monospace;
}

.tracks {
  padding: 88px 0;
}

.tracks .section-heading {
  max-width: 720px;
  position: static;
}

.track-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 34px;
}

.mentor {
  display: grid;
  grid-template-columns: minmax(280px, 430px) 1fr;
  gap: 58px;
  align-items: center;
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.mentor-image {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.mentor-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 52%, rgba(2, 4, 3, 0.78));
}

.mentor-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--accent-2);
  font-weight: 900;
  text-transform: uppercase;
}

.final-cta {
  margin-bottom: 68px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 80% 10%, rgba(49, 244, 200, 0.18), transparent 26rem),
    linear-gradient(135deg, rgba(11, 23, 21, 0.94), rgba(2, 4, 3, 0.94));
  padding: clamp(32px, 6vw, 70px);
  text-align: center;
}

.final-cta h2,
.final-cta p {
  max-width: 820px;
  margin-inline: auto;
}

.final-cta .primary-button {
  margin-top: 20px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding: 24px clamp(20px, 6vw, 84px);
  color: var(--dim);
  font: 800 11px/1.4 "JetBrains Mono", monospace;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  nav {
    display: none;
  }

  .intro-band,
  .method,
  .mentor,
  .ebook-section,
  .course-card {
    grid-template-columns: 1fr;
  }

  .section-heading {
    position: static;
  }

  .pain-grid,
  .track-grid,
  .exposure-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    padding: 9px 12px;
  }

  .hero {
    min-height: 88vh;
    padding: 104px 20px 34px;
    align-items: center;
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(42px, 13.5vw, 58px);
    line-height: 0.93;
  }

  .hero-copy {
    font-size: 16px;
    line-height: 1.55;
  }

  .hero-actions,
  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .pain-grid,
  .track-grid,
  .exposure-grid {
    grid-template-columns: 1fr;
  }

  .method-row {
    grid-template-columns: 1fr;
  }

  .intro-band,
  .method,
  .tracks,
  .mentor,
  .ebook-section,
  .platform-section,
  .courses-section {
    padding: 58px 0;
  }

  .course-card {
    gap: 18px;
  }

  .course-icon {
    width: 46px;
    height: 46px;
  }

  .course-copy h3 {
    font-size: 30px;
  }

  .course-copy p:not(.course-label) {
    font-size: 16px;
  }

  .course-video-frame {
    border-width: 8px;
  }

  .capability-grid span {
    flex: 1 1 calc(50% - 10px);
    min-width: 140px;
  }
}