:root {
  --bg: #080806;
  --bg-soft: #0f0e0a;
  --panel: rgba(22, 20, 13, 0.76);
  --panel-strong: rgba(28, 25, 15, 0.88);
  --gold: #d9b84f;
  --gold-soft: #f1d978;
  --gold-dim: rgba(217, 184, 79, 0.28);
  --gold-line: rgba(217, 184, 79, 0.42);
  --ink: #fff8dc;
  --muted: rgba(255, 248, 220, 0.68);
  --muted-soft: rgba(255, 248, 220, 0.5);
  --green: #4bc26b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 0%, rgba(180, 146, 41, 0.13), transparent 34rem),
    linear-gradient(180deg, #070704 0%, #0c0b08 45%, #050504 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(25deg, transparent 0 28%, rgba(218, 184, 79, 0.12) 28.1%, transparent 28.45% 100%),
    linear-gradient(155deg, transparent 0 68%, rgba(218, 184, 79, 0.1) 68.1%, transparent 68.45% 100%),
    radial-gradient(circle at 16% 34%, rgba(217, 184, 79, 0.52) 0 2px, transparent 3px),
    radial-gradient(circle at 72% 18%, rgba(217, 184, 79, 0.5) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 68%, rgba(217, 184, 79, 0.45) 0 2px, transparent 3px),
    radial-gradient(circle at 32% 78%, rgba(217, 184, 79, 0.42) 0 2px, transparent 3px);
  opacity: 0.56;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(24px, 5vw, 72px);
  color: #fff;
  background: rgba(7, 7, 4, 0.34);
  border-bottom: 1px solid rgba(217, 184, 79, 0.16);
  backdrop-filter: blur(12px);
}

.brand {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 900;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
  color: rgba(255, 248, 220, 0.8);
  font-size: 14px;
}

.site-nav a {
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 126px clamp(20px, 6vw, 88px) 72px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(8, 8, 4, 0.12), rgba(8, 8, 4, 0.62) 78%, rgba(8, 8, 4, 0.95)),
    radial-gradient(circle at 50% 36%, rgba(222, 186, 73, 0.16), transparent 26rem),
    url("assets/hero-ai-video-lab.png") center / cover no-repeat;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 0;
  background:
    radial-gradient(circle at 20% 68%, rgba(217, 184, 79, 0.62) 0 2px, transparent 3px),
    radial-gradient(circle at 58% 18%, rgba(217, 184, 79, 0.5) 0 2px, transparent 3px),
    radial-gradient(circle at 92% 42%, rgba(217, 184, 79, 0.56) 0 2px, transparent 3px),
    linear-gradient(30deg, transparent 0 58%, rgba(217, 184, 79, 0.14) 58.1%, transparent 58.35% 100%),
    linear-gradient(150deg, transparent 0 38%, rgba(217, 184, 79, 0.12) 38.1%, transparent 38.35% 100%);
  opacity: 0.8;
}

.hero::after {
  left: 0;
  right: 0;
  bottom: 46px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 184, 79, 0.78), transparent);
  box-shadow: 0 0 18px rgba(217, 184, 79, 0.38);
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 6px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 30px;
  padding: 6px 18px;
  border: 1px solid rgba(217, 184, 79, 0.4);
  border-radius: 999px;
  background: rgba(217, 184, 79, 0.08);
  box-shadow: inset 0 0 18px rgba(217, 184, 79, 0.08);
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 14px var(--gold);
}

.hero h1 {
  margin: 0;
  color: #fff8dc;
  font-size: clamp(56px, 8.8vw, 120px);
  line-height: 1;
  font-weight: 950;
  letter-spacing: 0;
  text-shadow: 0 0 34px rgba(217, 184, 79, 0.2);
}

.hero__lead {
  max-width: 850px;
  margin: 26px auto 0;
  color: rgba(255, 248, 220, 0.7);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.72;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-top: 40px;
}

.button {
  display: inline-flex;
  min-width: 160px;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  line-height: 1.2;
}

.button--primary {
  color: #121006;
  background: var(--gold);
  box-shadow: 0 0 30px rgba(217, 184, 79, 0.16);
}

.button--primary:hover {
  background: var(--gold-soft);
}

.button--secondary {
  color: #fff8dc;
  border-color: rgba(217, 184, 79, 0.52);
  background: rgba(8, 8, 5, 0.58);
}

.button--secondary:hover {
  color: var(--gold-soft);
  border-color: var(--gold);
}

.hero__proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(108px, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin: 50px auto 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(217, 184, 79, 0.38);
  border-radius: 8px;
  background: rgba(217, 184, 79, 0.22);
}

.hero__proof div {
  padding: 18px;
  background: rgba(12, 12, 8, 0.68);
}

.hero__proof dt {
  font-size: 31px;
  font-weight: 950;
  color: #fff8dc;
}

.hero__proof dd {
  margin: 2px 0 0;
  color: rgba(255, 248, 220, 0.58);
  font-size: 13px;
}

.system-bar {
  position: absolute;
  left: 0;
  bottom: -98px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  max-width: calc(100vw - 48px);
  padding: 8px 18px;
  color: rgba(255, 248, 220, 0.64);
  border: 1px solid rgba(217, 184, 79, 0.44);
  border-radius: 999px;
  background: rgba(8, 8, 5, 0.72);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0;
}

.system-bar span:first-child {
  color: var(--green);
}

.section {
  position: relative;
  padding: clamp(68px, 9vw, 118px) clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(217, 184, 79, 0.1);
}

.section__head {
  max-width: 900px;
  margin: 0 auto 42px;
  text-align: center;
}

.section__head--wide {
  max-width: 1080px;
}

.section__head h2,
.cta-band h2 {
  margin: 0;
  color: #fff8dc;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.14;
  letter-spacing: 0;
  text-wrap: balance;
}

.section__head p:not(.section-kicker),
.cta-band p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 20px);
}

.value-grid,
.advantage-grid,
.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.value-card,
.advantage-grid article,
.outcome-grid article,
.day-card,
.pathway__stage {
  border: 1px solid rgba(217, 184, 79, 0.24);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(35, 30, 15, 0.76), rgba(10, 10, 7, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 248, 220, 0.05), 0 22px 70px rgba(0, 0, 0, 0.22);
}

.value-card {
  padding: 28px;
}

.value-card__label {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
}

h3 {
  margin: 0;
  color: #fff8dc;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

article p,
.deliverable-copy p,
.deliverable-list span {
  color: var(--muted);
}

article p {
  margin: 12px 0 0;
}

.section--path,
.section--advantages,
.section--schedule,
.section--intro,
.section--outcome {
  background:
    radial-gradient(circle at 86% 10%, rgba(217, 184, 79, 0.08), transparent 26rem),
    transparent;
}

.pathway {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.pathway__stage {
  position: relative;
  min-height: 250px;
  padding: 34px 30px 30px;
  overflow: hidden;
}

.pathway__stage::after {
  content: "";
  position: absolute;
  right: -44px;
  bottom: -74px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(217, 184, 79, 0.22);
  transform: rotate(18deg);
}

.stage-index {
  display: block;
  margin-bottom: 42px;
  color: var(--gold);
  font-size: 42px;
  font-weight: 950;
}

.day-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 1280px;
  margin: 0 auto;
}

.day-card {
  min-height: 224px;
  padding: 22px;
  border-top: 4px solid rgba(217, 184, 79, 0.72);
}

.day-card:nth-child(3n + 2) {
  border-top-color: rgba(241, 217, 120, 0.88);
}

.day-card:nth-child(3n + 3) {
  border-top-color: rgba(154, 119, 34, 0.94);
}

.day-card span {
  display: block;
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.day-card h3 {
  font-size: 19px;
}

.day-card p {
  color: var(--muted-soft);
  font-size: 15px;
}

.advantage-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.advantage-grid article {
  display: grid;
  grid-template-columns: 58px 1fr;
  column-gap: 18px;
  padding: 28px;
}

.advantage-index {
  grid-row: span 2;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: #121006;
  background: var(--gold);
  border-radius: 8px;
  font-size: 22px;
  font-weight: 950;
}

.advantage-grid article:nth-child(even) .advantage-index {
  background: #f1d978;
}

.advantage-grid article:nth-child(3n) .advantage-index {
  color: #fff8dc;
  background: #806424;
}

.advantage-grid p {
  grid-column: 2;
}

.section--deliverables {
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 8, 5, 0.96), rgba(22, 19, 11, 0.96)),
    radial-gradient(circle at 16% 18%, rgba(217, 184, 79, 0.14), transparent 24rem);
}

.section--deliverables .section__head p {
  color: rgba(255, 248, 220, 0.68);
}

.deliverable-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.2fr);
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  align-items: start;
}

.deliverable-copy {
  padding: 30px;
  border: 1px solid rgba(217, 184, 79, 0.3);
  border-left: 5px solid var(--gold);
  background: rgba(217, 184, 79, 0.08);
  border-radius: 8px;
}

.deliverable-copy p {
  margin: 0;
  color: rgba(255, 248, 220, 0.78);
  font-size: 20px;
}

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

.deliverable-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(217, 184, 79, 0.24);
  border-radius: 8px;
  background: rgba(217, 184, 79, 0.07);
}

.deliverable-list strong {
  color: #fff8dc;
}

.deliverable-list span {
  color: rgba(255, 248, 220, 0.66);
}

.outcome-grid article {
  padding: 30px;
}

.cta-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(52px, 7vw, 86px) clamp(20px, 5vw, 72px);
  color: #fff;
  border-top: 1px solid rgba(217, 184, 79, 0.18);
  background:
    linear-gradient(90deg, rgba(11, 11, 7, 0.96), rgba(43, 35, 15, 0.88)),
    radial-gradient(circle at 80% 30%, rgba(217, 184, 79, 0.18), transparent 22rem);
}

.cta-band > div {
  max-width: 880px;
}

.cta-band .section-kicker,
.cta-band p {
  color: rgba(255, 248, 220, 0.7);
}

@media (max-width: 1040px) {
  .day-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 170px;
  }

  .system-bar {
    position: static;
    justify-content: center;
    margin: 36px auto 0;
  }

  .hero__proof,
  .value-grid,
  .pathway,
  .advantage-grid,
  .outcome-grid,
  .deliverable-layout {
    grid-template-columns: 1fr;
  }

  .day-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deliverable-list li {
    grid-template-columns: 1fr;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 16px 18px;
  }

  .site-nav {
    gap: 8px 14px;
    font-size: 13px;
  }

  .hero {
    padding: 172px 18px 50px;
  }

  .eyebrow {
    max-width: 100%;
    justify-content: center;
    letter-spacing: 3px;
    text-align: center;
  }

  .hero__actions {
    gap: 12px;
  }

  .button {
    width: 100%;
  }

  .hero__proof,
  .day-grid {
    grid-template-columns: 1fr;
  }

  .hero__proof div {
    padding: 14px 16px;
  }

  .section {
    padding: 58px 18px;
  }

  .advantage-grid article {
    grid-template-columns: 1fr;
  }

  .advantage-index {
    margin-bottom: 18px;
  }

  .advantage-grid p {
    grid-column: auto;
  }
}