:root {
  --bg: #020302;
  --text: #f7f7f0;
  --muted: #b9bdb5;
  --green: #9bf22d;
  --green-soft: rgba(155, 242, 45, 0.18);
  --line: rgba(255, 255, 255, 0.14);
  --panel: rgba(6, 8, 7, 0.78);
  --panel-solid: #080a09;
  --cyan: #00d9ff;
  --gold: #f4c542;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #000;
  color: var(--text);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  overflow-x: hidden;
}

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

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

.topbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 12px clamp(18px, 4vw, 68px);
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(16px);
}

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

.brand img {
  width: 50px;
  height: 50px;
  border: 1px solid rgba(155, 242, 45, 0.32);
  border-radius: 50%;
  object-fit: cover;
  object-position: center 16%;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  color: rgba(247, 247, 240, 0.86);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
}

.nav a:hover {
  border-color: rgba(155, 242, 45, 0.7);
  color: var(--green);
}

.cta,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 6px;
  font-size: 0.86rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cta {
  border: 1px solid var(--green);
  background: rgba(155, 242, 45, 0.1);
  color: var(--green);
}

.ghost {
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.04);
}

.cta:hover,
.ghost:hover {
  border-color: var(--green);
  box-shadow: 0 0 34px rgba(155, 242, 45, 0.18);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 950;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: 8.4rem;
  line-height: 0.88;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 16px;
  font-size: 3.5rem;
  line-height: 1.02;
}

p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

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

.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.feature-row article {
  min-height: 180px;
  padding: 26px;
  background: rgba(0, 0, 0, 0.78);
}

.feature-row span {
  display: block;
  margin-bottom: 20px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-row h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feature-row p {
  margin: 0;
  font-size: 0.96rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 4vw, 68px);
  border-top: 1px solid var(--line);
  background: #000;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--green);
  font-weight: 850;
}

/* Concept A: Cinematic single-image hero */
.concept-a {
  background:
    radial-gradient(circle at 32% 20%, rgba(155, 242, 45, 0.08), transparent 28rem),
    #000;
}

.concept-a .hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 100vh;
  padding: 130px clamp(18px, 6vw, 92px) 64px;
  overflow: hidden;
}

.concept-a .hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.94) 0%, rgba(0, 0, 0, 0.7) 38%, rgba(0, 0, 0, 0.2) 74%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.92)),
    url("ChatGPT Image May 16, 2026, 08_26_22 PM.png");
  background-position: center 62%;
  background-size: cover;
  content: "";
}

.concept-a .hero-copy {
  position: relative;
  max-width: 740px;
}

.concept-a h1::after,
.concept-c h1::after {
  display: block;
  width: min(420px, 86vw);
  height: 3px;
  margin-top: 28px;
  background: linear-gradient(90deg, #e01826, #ffc400, var(--green), var(--cyan), #e700ff);
  box-shadow: 0 0 18px rgba(0, 217, 255, 0.7);
  content: "";
}

.concept-a .proof {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(980px, 100%);
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.concept-a .proof div {
  padding: 22px;
  background: rgba(0, 0, 0, 0.66);
}

.concept-a .proof strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.concept-a .sections {
  padding: 70px clamp(18px, 5vw, 72px);
}

/* Concept B: Channel-first editorial */
.concept-b {
  background:
    radial-gradient(circle at 80% 8%, rgba(155, 242, 45, 0.12), transparent 28rem),
    linear-gradient(180deg, #000 0%, #050805 58%, #000 100%);
}

.concept-b .hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  gap: clamp(34px, 6vw, 86px);
  min-height: 100vh;
  padding: 128px clamp(18px, 6vw, 92px) 70px;
}

.concept-b h1 {
  font-size: 6.6rem;
}

.creator-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.video-window {
  min-height: 420px;
  border: 1px solid rgba(155, 242, 45, 0.24);
  border-radius: 8px;
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.4)),
    url("ChatGPT Image May 16, 2026, 08_35_08 PM.png");
  background-position: center;
  background-size: cover;
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.76);
}

.playlist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.playlist article {
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.72);
}

.playlist strong {
  display: block;
  margin-bottom: 8px;
  color: var(--green);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.concept-b .sections {
  padding: 0 clamp(18px, 5vw, 72px) 70px;
}

/* Concept C: Clean premium landing page */
.concept-c {
  background:
    radial-gradient(circle at 50% 18%, rgba(155, 242, 45, 0.12), transparent 30rem),
    linear-gradient(180deg, #000 0%, #030504 50%, #000 100%);
}

.concept-c .hero {
  display: grid;
  place-items: start center;
  min-height: 100vh;
  padding: 104px clamp(18px, 5vw, 72px) 46px;
  text-align: center;
}

.concept-c .hero-copy {
  width: min(1340px, 100%);
}

.concept-c h1 {
  max-width: 1020px;
  margin-right: auto;
  margin-left: auto;
  font-size: 8rem;
}

.concept-c h1::after {
  margin-right: auto;
  margin-left: auto;
}

.concept-c p {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
}

.concept-c .hero-actions {
  justify-content: center;
}

.poster-strip {
  width: min(1340px, 100%);
  min-height: clamp(280px, 25vw, 360px);
  margin: 0 auto 34px;
  border: 1px solid rgba(155, 242, 45, 0.22);
  border-radius: 8px;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.22)),
    url("ChatGPT Image May 16, 2026, 08_35_08 PM.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.78);
}

.concept-c .sections {
  padding: 0 clamp(18px, 5vw, 72px) 70px;
}

.learn-panels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  width: min(1340px, calc(100% - 36px));
  margin: 0 auto 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  overflow: hidden;
}

.learn-panels article {
  min-height: 260px;
  padding: 28px;
  scroll-margin-top: 108px;
  background: rgba(0, 0, 0, 0.76);
}

.learn-panels span {
  display: block;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.learn-panels h2 {
  margin-bottom: 14px;
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.learn-panels p {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.backstory {
  width: min(980px, calc(100% - 36px));
  margin: 0 auto 76px;
  scroll-margin-top: 104px;
}

.backstory-inner {
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid rgba(155, 242, 45, 0.22);
  border-radius: 8px;
  background:
    radial-gradient(circle at 70% 0%, rgba(155, 242, 45, 0.08), transparent 24rem),
    rgba(0, 0, 0, 0.74);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.62);
}

.backstory h2 {
  max-width: 780px;
  margin-bottom: 28px;
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.backstory p {
  max-width: 760px;
  margin-right: 0;
  margin-bottom: 18px;
  margin-left: 0;
  color: rgba(247, 247, 240, 0.82);
  font-size: 1.04rem;
  line-height: 1.72;
}

.backstory .eyebrow {
  margin-bottom: 18px;
}

.backstory-signoff {
  display: grid;
  gap: 6px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.backstory-signoff strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  text-transform: uppercase;
}

.backstory-signoff span {
  color: var(--green);
  font-size: 1.08rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Concept D: Minimal YouTube funnel */
.concept-d {
  background:
    radial-gradient(circle at 50% 18%, rgba(155, 242, 45, 0.1), transparent 28rem),
    linear-gradient(180deg, #000 0%, #040604 52%, #000 100%);
}

.minimal-landing {
  min-height: 100vh;
  padding: 24px clamp(18px, 5vw, 72px) 46px;
}

.minimal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 58px;
}

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

.minimal-brand img {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(155, 242, 45, 0.32);
  border-radius: 50%;
  object-fit: cover;
  object-position: center 16%;
}

.minimal-brand span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.1rem, 2vw, 1.65rem);
  font-weight: 800;
  text-transform: uppercase;
}

.minimal-link {
  color: rgba(247, 247, 240, 0.72);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.minimal-hero {
  display: grid;
  grid-template-columns: minmax(280px, 0.48fr) minmax(620px, 1.52fr);
  align-items: center;
  gap: clamp(34px, 5vw, 74px);
  min-height: calc(100vh - 92px);
}

.minimal-copy {
  max-width: 560px;
}

.concept-d h1 {
  margin-bottom: 24px;
  font-size: clamp(3.8rem, 5.9vw, 6.9rem);
}

.concept-d h1::after {
  display: block;
  width: min(360px, 86vw);
  height: 3px;
  margin-top: 28px;
  background: linear-gradient(90deg, #e01826, #ffc400, var(--green), var(--cyan), #e700ff);
  box-shadow: 0 0 18px rgba(0, 217, 255, 0.64);
  content: "";
}

.minimal-copy p:not(.eyebrow) {
  max-width: 480px;
}

.minimal-actions {
  margin-top: 34px;
}

.minimal-actions .cta {
  min-width: 240px;
}

.hero-poster {
  display: block;
  min-height: clamp(520px, 48vw, 680px);
  padding: clamp(10px, 1.2vw, 16px);
  border: 1px solid rgba(155, 242, 45, 0.28);
  border-radius: 8px;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.12)),
    url("ChatGPT Image May 16, 2026, 08_35_08 PM.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.78);
}

.hero-poster img {
  display: none;
}

/* Concept E: Poster-first YouTube funnel */
.concept-e {
  background:
    radial-gradient(circle at 50% 14%, rgba(155, 242, 45, 0.08), transparent 32rem),
    #000;
}

.poster-landing {
  min-height: 100vh;
  padding: 22px clamp(18px, 4vw, 64px) 40px;
}

.poster-top {
  margin-bottom: 26px;
}

.poster-hero {
  display: grid;
  align-content: center;
  min-height: calc(100vh - 126px);
}

.poster-hero img {
  width: min(100%, 1500px);
  margin: 0 auto;
  border: 1px solid rgba(155, 242, 45, 0.22);
  border-radius: 8px;
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.84);
}

.poster-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 22px;
  width: min(100%, 1500px);
  margin: 22px auto 0;
}

.poster-copy .eyebrow {
  grid-column: 1 / -1;
  margin: 0;
}

.concept-e h1 {
  margin: 0;
  font-size: clamp(3.4rem, 6.2vw, 7.4rem);
}

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .concept-c .nav {
    display: flex;
    grid-column: 1 / -1;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .concept-c .nav::-webkit-scrollbar {
    display: none;
  }

  .concept-c .nav a {
    flex: 0 0 auto;
  }

  .concept-b .hero {
    grid-template-columns: 1fr;
  }

  .minimal-hero {
    grid-template-columns: 1fr;
  }

  .poster-copy {
    grid-template-columns: 1fr;
  }

  .feature-row,
  .playlist,
  .learn-panels {
    grid-template-columns: repeat(2, 1fr);
  }

  h1,
  .concept-c h1 {
    font-size: 5.4rem;
  }

  .concept-b h1 {
    font-size: 4.8rem;
  }
}

@media (max-width: 680px) {
  .topbar {
    position: relative;
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 0;
  }

  .brand strong {
    font-size: 1.12rem;
  }

  .cta,
  .ghost {
    width: 100%;
    min-height: 50px;
    padding: 0 16px;
    text-align: center;
  }

  h1 {
    max-width: 100%;
    font-size: 2.42rem;
    line-height: 0.98;
    overflow-wrap: break-word;
  }

  .concept-b h1,
  .concept-c h1 {
    font-size: 2.06rem;
    line-height: 1.08;
  }

  .concept-c h1 {
    max-width: 11ch;
  }

  .eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
  }

  .brand {
    max-width: 100%;
  }

  .brand strong {
    white-space: normal;
  }

  .concept-a .hero,
  .concept-b .hero,
  .concept-c .hero {
    min-height: 0;
    padding: 42px 18px 56px;
  }

  .minimal-landing {
    padding: 18px;
  }

  .minimal-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .minimal-hero {
    gap: 28px;
    min-height: 0;
    padding-top: 44px;
  }

  .concept-d h1 {
    max-width: 9ch;
    font-size: 3rem;
    line-height: 0.98;
  }

  .hero-poster {
    min-height: 300px;
    background-size: contain;
  }

  .poster-landing {
    padding: 18px;
  }

  .poster-hero {
    min-height: 0;
    padding-top: 40px;
  }

  .concept-e h1 {
    max-width: 9ch;
    font-size: 2.54rem;
    line-height: 1;
  }

  .concept-a .hero-copy,
  .concept-b .hero-copy,
  .concept-c .hero-copy,
  .minimal-copy,
  .creator-board {
    min-width: 0;
    width: 100%;
  }

  p {
    max-width: 32ch;
    font-size: 1rem;
  }

  .concept-c p {
    max-width: 31ch;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .concept-a .proof,
  .feature-row,
  .playlist,
  .learn-panels {
    grid-template-columns: 1fr;
  }

  .learn-panels {
    width: calc(100% - 36px);
    margin-bottom: 46px;
  }

  .learn-panels article {
    min-height: 0;
    padding: 24px;
  }

  .video-window,
  .poster-strip {
    min-height: 260px;
    background-size: contain;
  }

  .footer {
    flex-direction: column;
    text-align: center;
  }
}