:root {
  color-scheme: dark;
  --bg: #050505;
  --fg: #f2f2f2;
  --dim: #777;
  --cyan: #00ffc8;
  --purple: #b347ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Space Mono", monospace;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* --- Hero --- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 60%, transparent 30%, rgba(5,5,5,0.85) 70%),
    linear-gradient(180deg, rgba(5,5,5,0.3) 0%, rgba(5,5,5,0.6) 60%, var(--bg) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 48ch;
  padding: 2rem;
}

.hero__title {
  font-family: "Unbounded", serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: 0.85rem;
  color: var(--dim);
  letter-spacing: 0.2em;
  text-transform: lowercase;
  font-style: italic;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  z-index: 2;
  font-size: 0.7rem;
  color: var(--dim);
  letter-spacing: 0.3em;
  animation: breathe 3s ease-in-out infinite;
}

/* --- Why --- */
.why {
  background: #0a0a0f;
  border-top: 1px solid rgba(179, 71, 255, 0.1);
  border-bottom: 1px solid rgba(179, 71, 255, 0.1);
  padding: 5rem 2rem;
}

.why__inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.why__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--purple);
  margin-bottom: 1.5rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.why__intro {
  max-width: 960px;
  margin: 0 auto 3rem;
  font-size: 0.9rem;
  color: rgba(242, 242, 242, 0.82);
  line-height: 1.8;
}

.why__title {
  font-family: "Unbounded", serif;
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 1rem;
}

.why__author {
  font-size: 0.7rem;
  color: var(--dim);
  letter-spacing: 0.15em;
  margin-top: 1rem;
  font-style: normal;
  text-decoration: none;
  display: block;
  transition: color 0.3s;
}

.why__author:hover {
  color: var(--cyan);
}

.why__text {
  font-size: 0.85rem;
  color: rgba(242, 242, 242, 0.75);
  line-height: 1.8;
  font-style: italic;
}

@media (max-width: 600px) {
  .why__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* --- Sections --- */
.section {
  max-width: 720px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section--wide {
  max-width: 100%;
  padding: 0;
}

.section__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: var(--purple);
  margin-bottom: 1.5rem;
}

.section__heading {
  font-family: "Unbounded", serif;
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  line-height: 1.25;
  margin-bottom: 2rem;
}

.section p {
  font-size: 0.9rem;
  color: rgba(242, 242, 242, 0.82);
  margin-bottom: 1.4rem;
}

.section p:last-child {
  margin-bottom: 0;
}

/* --- Images --- */
.image-full {
  width: 100%;
  display: block;
}

.image-full img {
  width: 100%;
  height: auto;
  display: block;
}

.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.image-pair img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Video --- */
.video-full {
  width: 100%;
  background: #000;
}

.video-full video {
  width: 100%;
  display: block;
  max-height: 80vh;
  margin: 0 auto;
}

/* --- Sources --- */
.sources {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.sources__item {
  font-size: 0.8rem;
  line-height: 1.5;
}

.sources__name {
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: block;
}

a.sources__name::after {
  content: ' \2197';
  font-size: 0.6em;
  opacity: 0.5;
  vertical-align: super;
}

a.sources__name:hover {
  text-shadow: 0 0 12px rgba(0, 255, 200, 0.4);
}

a.sources__name:hover::after {
  opacity: 1;
}

.sources__link {
  color: var(--dim);
  font-size: 0.65rem;
  border-bottom: 1px solid rgba(119,119,119,0.3);
  text-decoration: none;
}

.sources__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.sources__desc {
  color: var(--dim);
  font-size: 0.75rem;
  margin-top: 0.3rem;
}

/* --- Steps --- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step__num {
  font-family: "Unbounded", serif;
  font-size: 2rem;
  font-weight: 700;
  color: rgba(242, 242, 242, 0.08);
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
}

.step__text {
  font-size: 0.9rem;
  color: rgba(242, 242, 242, 0.82);
  line-height: 1.7;
}

.step__text strong {
  color: var(--fg);
}

/* --- Sources Roots / Soul --- */
.sources-roots,
.sources-soul {
  margin-bottom: 2.5rem;
}

.sources-roots__title,
.sources-soul__title {
  font-family: "Unbounded", serif;
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.sources-roots p,
.sources-soul p {
  font-size: 0.9rem;
  color: rgba(242, 242, 242, 0.82);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.sources-roots p:last-child,
.sources-soul p:last-child {
  margin-bottom: 0;
}

/* --- CTA --- */
.section__cta {
  font-size: 0.85rem;
  color: var(--dim);
  font-style: italic;
}

.section__cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 255, 200, 0.3);
  transition: border-color 0.3s;
}

.section__cta a:hover {
  border-color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 255, 200, 0.4);
}

/* --- Glow link --- */
.link--glow {
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  border-bottom: 1px solid rgba(0, 255, 200, 0.3);
  transition: text-shadow 0.3s, border-color 0.3s;
}

.link--glow:hover {
  text-shadow: 0 0 12px rgba(0, 255, 200, 0.4);
  border-color: var(--cyan);
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 4rem 2rem;
  font-size: 0.7rem;
  color: var(--dim);
  letter-spacing: 0.2em;
}

.footer a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(119,119,119,0.3);
  transition: color 0.3s, border-color 0.3s;
}

.footer a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* --- Divider --- */
.divider {
  width: 60px;
  height: 1px;
  background: rgba(242, 242, 242, 0.08);
  margin: 0 auto;
}

/* --- Animations --- */
@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .section { padding: 4rem 1.5rem; }
  .image-pair { grid-template-columns: 1fr; }
  .sources { grid-template-columns: 1fr; }
  .step { flex-direction: column; gap: 0.5rem; }
  .step__num { text-align: left; }
}