:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  font-weight: 400;
  background: #07111f;
  color: #f5f7fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #07111f 0%, #13253f 60%, #1b376d 100%);
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.hero {
  padding: 2rem 0 2.5rem;
}

.page > .button-secondary {
  margin-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.15rem;
  margin-bottom: 1rem;
}

.brand-logo {
  width: 3rem;
  height: 3rem;
  display: block;
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(37, 51, 77, 0.24);
  background: rgba(255, 255, 255, 0.02);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  color: #8fd8ff;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin: 0 0 0.75rem;
}

.intro {
  max-width: 720px;
  font-size: 1.05rem;
  color: #d7e2f2;
  margin-bottom: 1.25rem;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  background: #7c3aed;
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.blog-list {
  display: grid;
  gap: 1.25rem;
  margin-top: 1rem;
}

.blog-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.blog-link {
  color: inherit;
  text-decoration: none;
  display: block;
}

.card-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-content {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: #9fb5d5;
  font-size: 0.95rem;
}

.series {
  background: rgba(124, 58, 237, 0.12);
  color: #c4b5fd;
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
}

.blog-card h2 {
  margin: 0;
  font-size: 1.2rem;
}

.blog-card p {
  color: #d7e2f2;
  margin: 0;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  background: rgba(26, 163, 255, 0.15);
  color: #7dd3fc;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.post-hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.post-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

#post-hero-image img {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 20px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: #9fb5d5;
  font-size: 0.95rem;
}

.post-content {
  display: grid;
  gap: 1.25rem;
}

.post-content p,
.post-content h2,
.post-content h3,
.post-content blockquote {
  margin: 0;
  color: #d7e2f2;
}

.post-content h2,
.post-content h3 {
  margin-top: 1.2rem;
}

.post-content img {
  width: 100%;
  border-radius: 16px;
  margin: 1rem 0;
}

.post-content figure {
  margin: 0;
}

.previous-article {
  margin-bottom: 1rem;
}

.previous-article a {
  color: #8fd8ff;
  text-decoration: none;
}

.loading,
.empty,
.error {
  color: #d7e2f2;
  font-size: 1rem;
}

.card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.card h2 {
  font-size: 1.1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  color: #d7e2f2;
  margin-bottom: 0.8rem;
}

.card a {
  color: #8fd8ff;
  font-weight: 600;
  text-decoration: none;
}

/* ==========================================================================
   Landing page (index.html only) — all selectors namespaced with `lp-`.
   Appended rules; nothing above this line was modified. Other pages
   (blog.html, post.html, module pages) do not use these classes.
   ========================================================================== */

.lp-body {
  min-height: 100vh;
}

.lp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Nav --- */

.lp-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lp-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: #f5f7fb;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.lp-nav-logo {
  width: 2.1rem;
  height: 2.1rem;
  display: block;
  border-radius: 0.6rem;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 10px 24px rgba(37, 51, 77, 0.28);
}

.lp-nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lp-nav-link {
  color: #d7e2f2;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.lp-nav-link:hover {
  color: #8fd8ff;
}

.lp-nav-cta {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: #7c3aed;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.lp-nav-cta:hover {
  background: #8b5cf6;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .lp-nav-link {
    display: none;
  }
}

/* --- Hero --- */

.lp-hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 5rem;
}

.lp-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 60rem;
  height: 60rem;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.22) 0%,
    rgba(143, 216, 255, 0.08) 40%,
    transparent 70%
  );
  pointer-events: none;
}

.lp-hero-inner {
  position: relative;
  max-width: 1100px;
}

.lp-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  font-weight: 600;
  color: #8fd8ff;
  margin: 0 0 1.1rem;
}

.lp-headline {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 820px;
}

.lp-headline-accent {
  background: linear-gradient(90deg, #a78bfa 0%, #8fd8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-subhead {
  max-width: 640px;
  font-size: 1.15rem;
  line-height: 1.65;
  color: #d7e2f2;
  margin: 0 0 2rem;
}

.lp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.lp-btn-primary {
  display: inline-block;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  background: #7c3aed;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.02rem;
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.4);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.lp-btn-primary:hover {
  background: #8b5cf6;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(124, 58, 237, 0.5);
}

.lp-btn-lg {
  padding: 1rem 2.4rem;
  font-size: 1.1rem;
}

.lp-btn-ghost {
  display: inline-block;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #d7e2f2;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.02rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.lp-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(143, 216, 255, 0.4);
}

.lp-hero-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
}

.lp-hero-points li {
  position: relative;
  padding-left: 1.35rem;
  color: #9fb5d5;
  font-size: 0.95rem;
}

.lp-hero-points li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #8fd8ff;
  font-weight: 700;
}

/* --- Sections --- */

.lp-section {
  padding: 4.5rem 0;
}

.lp-section-alt {
  background: rgba(7, 17, 31, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.lp-section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.75rem;
  font-weight: 600;
  color: #8fd8ff;
  margin: 0 0 0.85rem;
}

.lp-section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  max-width: 720px;
}

.lp-section-intro {
  max-width: 620px;
  color: #d7e2f2;
  font-size: 1.05rem;
  line-height: 1.65;
  margin: 0 0 2.5rem;
}

/* --- Founder story --- */

.lp-founder {
  background: rgba(7, 17, 31, 0.45);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.lp-founder-inner {
  max-width: 720px;
}

.lp-founder-headline {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 1.25rem;
}

.lp-founder-body {
  color: #d7e2f2;
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0 0 1.25rem;
}

.lp-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.1rem;
  margin: 2rem 0 2.25rem;
}

.lp-stat-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 1.35rem 1.1rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: center;
}

.lp-stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #c4b5fd 0%, #8fd8ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-stat-label {
  color: #9fb5d5;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lp-founder-transition {
  margin: 0;
  color: #8fd8ff;
  font-weight: 600;
  font-size: 1.05rem;
}

/* --- Course map (numbered timeline) --- */

.lp-map {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  max-width: 780px;
}

.lp-map::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(124, 58, 237, 0.7) 0%,
    rgba(143, 216, 255, 0.45) 100%
  );
}

.lp-map-step {
  position: relative;
  padding: 0 0 1.5rem 4.25rem;
}

.lp-map-step:last-child {
  padding-bottom: 0;
}

.lp-map-node {
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed 0%, #4c1d95 100%);
  border: 2px solid rgba(143, 216, 255, 0.35);
  box-shadow: 0 0 0 5px rgba(7, 17, 31, 0.9), 0 8px 20px rgba(124, 58, 237, 0.35);
  z-index: 1;
}

.lp-module-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.35rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.lp-module-card:hover {
  transform: translateY(-3px);
  border-color: rgba(143, 216, 255, 0.4);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.lp-module-label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #c4b5fd;
  margin-bottom: 0.5rem;
}

.lp-module-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.lp-module-card p {
  margin: 0 0 0.85rem;
  color: #d7e2f2;
  line-height: 1.55;
}

.lp-module-link {
  color: #8fd8ff;
  font-weight: 600;
  font-size: 0.95rem;
}

/* --- Testimonials --- */

.lp-testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
}

.lp-testimonial {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.lp-testimonial blockquote {
  margin: 0;
  flex: 1;
}

.lp-testimonial blockquote p {
  margin: 0;
  color: #f5f7fb;
  font-size: 1.05rem;
  line-height: 1.7;
}

.lp-testimonial figcaption {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
}

.lp-testimonial-name {
  font-weight: 700;
  color: #c4b5fd;
}

.lp-testimonial-role {
  color: #9fb5d5;
  font-size: 0.9rem;
}

/* --- Pricing --- */

.lp-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.lp-pricing-card {
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.lp-pricing-card:hover {
  transform: translateY(-3px);
  border-color: rgba(143, 216, 255, 0.4);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.lp-pricing-name {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: #c4b5fd;
}

.lp-pricing-price {
  margin: 0 0 0.85rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lp-pricing-note {
  margin: 0 0 1.25rem;
  color: #9fb5d5;
  font-size: 0.85rem;
  line-height: 1.5;
  flex: 1;
}

.lp-pricing-btn {
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
}

/* --- Locked module screen (locked.html) --- */

.lp-locked {
  max-width: 640px;
}

.lp-locked-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  margin: 1.5rem 0 2rem;
}

.lp-locked-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.lp-locked-card > p {
  margin: 0 0 1.25rem;
  color: #d7e2f2;
}

.lp-locked-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.lp-locked-form input {
  flex: 1 1 240px;
  padding: 0.85rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 31, 0.6);
  color: #f5f7fb;
  font-size: 1rem;
}

.lp-locked-form input:focus {
  outline: none;
  border-color: rgba(143, 216, 255, 0.5);
}

.lp-locked-form button {
  border: none;
  cursor: pointer;
}

.lp-locked-message {
  margin: 1rem 0 0;
  min-height: 1.2em;
  color: #9fb5d5;
  font-size: 0.9rem;
}

.lp-locked-message-success {
  color: #8fd8ff;
}

.lp-locked-message-error {
  color: #fca5a5;
}

.lp-locked-cta-line {
  color: #d7e2f2;
  font-size: 1rem;
}

/* --- Final CTA --- */

.lp-final-cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lp-final-cta .lp-section-intro {
  margin-bottom: 2rem;
}

/* --- Footer --- */

.lp-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.5rem 0 3rem;
}

.lp-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.lp-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.lp-footer-links a {
  color: #d7e2f2;
  text-decoration: none;
  font-size: 0.95rem;
}

.lp-footer-links a:hover {
  color: #8fd8ff;
}

.lp-footer-copy {
  margin: 0;
  color: #9fb5d5;
  font-size: 0.85rem;
  flex-basis: 100%;
}

/* --- Scroll reveal (added by JS only when motion is allowed) --- */

.lp-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.lp-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}