:root {
  --primary: #0b1f3b;
  --primary-dark: #031020;
  --primary-ink: #06172b;
  --accent: #b08d57;
  --accent-soft: rgba(176, 141, 87, 0.18);
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --line: rgba(255, 255, 255, 0.13);
  --panel: rgba(3, 16, 32, 0.78);
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
}

body {
  margin: 0;
  background: #000;
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  align-items: center;
  background: rgba(0, 0, 0, 0.86);
  border-bottom: 1px solid rgba(176, 141, 87, 0.22);
  display: flex;
  height: 38px;
  justify-content: space-between;
  padding: 0 7vw;
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 0.94rem;
  font-weight: 800;
  gap: 8px;
}

.brand-mark {
  align-items: center;
  border: 1px solid rgba(176, 141, 87, 0.62);
  color: var(--accent);
  display: inline-flex;
  font-size: 0.78rem;
  height: 18px;
  justify-content: center;
  line-height: 1;
  width: 18px;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.78rem;
}

.nav-links a:hover {
  color: var(--accent);
}

.hero-shell {
  background: #000;
  padding: 12px 7vw 0;
  scroll-margin-top: 48px;
}

.hero-panel {
  border-radius: 22px;
  box-shadow: var(--shadow);
  min-height: max(680px, 72vh);
  overflow: hidden;
  position: relative;
}

.hero-image {
  filter: grayscale(0.38) saturate(0.8);
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.84) 0%, rgba(0, 0, 0, 0.55) 42%, rgba(3, 16, 32, 0.58) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.1));
  inset: 0;
  position: absolute;
}

.hero-copy {
  left: clamp(28px, 4vw, 58px);
  max-width: 680px;
  position: absolute;
  top: 50%;
  transform: translateY(-44%);
  z-index: 2;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(2.85rem, 6.4vw, 6.9rem);
  letter-spacing: 0;
  line-height: 0.96;
  margin-bottom: 22px;
  max-width: 780px;
}

.hero-lede {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.5vw, 1.26rem);
  line-height: 1.55;
  max-width: 610px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-metrics span {
  border: 1px solid rgba(176, 141, 87, 0.46);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 10px 12px;
  text-transform: uppercase;
}

.waitlist-card {
  background: rgba(2, 16, 24, 0.92);
  border: 1px solid rgba(176, 141, 87, 0.34);
  border-radius: 10px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.36);
  max-width: 340px;
  padding: 24px;
  position: absolute;
  right: clamp(24px, 4vw, 58px);
  top: 50%;
  transform: translateY(-50%);
  width: min(34vw, 340px);
  z-index: 3;
  scroll-margin-top: 96px;
}

.waitlist-card h2 {
  font-size: 1.2rem;
  line-height: 1.35;
  margin-bottom: 18px;
}

.waitlist-form {
  display: grid;
  gap: 12px;
}

.hidden-field {
  display: none;
}

.waitlist-form label {
  color: rgba(255, 255, 255, 0.9);
  display: grid;
  font-size: 0.76rem;
  font-weight: 700;
  gap: 6px;
}

.waitlist-form input,
.waitlist-form select {
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 5px;
  color: #071322;
  font: inherit;
  font-size: 0.9rem;
  min-height: 42px;
  padding: 0 12px;
  width: 100%;
}

.waitlist-form input:focus,
.waitlist-form select:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(176, 141, 87, 0.28);
}

.waitlist-form button {
  background: var(--accent);
  border: 0;
  border-radius: 7px;
  color: var(--white);
  cursor: pointer;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  min-height: 48px;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease;
}

.waitlist-form button:hover {
  background: #c09a60;
  transform: translateY(-1px);
}

.form-note {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.76rem;
  line-height: 1.45;
  margin: 2px 0 0;
}

.audience-strip {
  align-items: end;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(140px, 0.8fr) repeat(4, minmax(130px, 1fr));
  padding: 58px 4vw 48px;
}

.audience-strip p {
  color: var(--white);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  font-weight: 700;
  margin: 0;
}

.audience-strip span {
  color: rgba(255, 255, 255, 0.94);
  font-size: clamp(1.05rem, 2.4vw, 2.2rem);
  font-weight: 900;
  line-height: 0.9;
  text-transform: uppercase;
}

.why-section,
.platform-section {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 74px 7vw;
}

.section-heading {
  max-width: 780px;
}

.section-heading h2,
.platform-heading h2 {
  font-size: clamp(2rem, 4.2vw, 3.7rem);
  line-height: 1;
  margin-bottom: 18px;
}

.section-heading p,
.platform-heading p,
.feature-list p,
.reason-card p {
  color: var(--muted);
  line-height: 1.6;
}

.reason-grid {
  border: 1px solid var(--line);
  border-radius: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 36px;
  overflow: hidden;
}

.reason-card {
  align-items: flex-start;
  display: flex;
  gap: 24px;
  min-height: 148px;
  padding: 34px 30px;
}

.reason-card + .reason-card {
  border-left: 1px solid var(--line);
}

.reason-icon {
  color: var(--accent);
  font-size: 1.95rem;
  font-weight: 300;
  line-height: 1;
}

.reason-card h3,
.feature-list h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.reason-card p,
.feature-list p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

.platform-section {
  background:
    radial-gradient(circle at 14% 36%, rgba(176, 141, 87, 0.08), transparent 28%),
    linear-gradient(180deg, #000, var(--primary-dark));
}

.platform-heading {
  margin: 0 auto 48px;
  max-width: 760px;
  text-align: center;
}

.platform-layout {
  align-items: center;
  display: grid;
  gap: clamp(36px, 7vw, 96px);
  grid-template-columns: minmax(280px, 0.9fr) minmax(300px, 1.1fr);
  margin: 0 auto;
  max-width: 1120px;
}

.assessment-preview {
  background:
    linear-gradient(145deg, rgba(11, 31, 59, 0.94), rgba(0, 0, 0, 0.78)),
    linear-gradient(90deg, rgba(176, 141, 87, 0.1), rgba(255, 255, 255, 0));
  border: 1px solid rgba(176, 141, 87, 0.28);
  border-radius: 12px;
  box-shadow: var(--shadow);
  min-height: 420px;
  padding: 28px;
}

.preview-topline {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 28px;
}

.preview-topline span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
  font-weight: 700;
}

.preview-topline strong {
  color: var(--accent);
  font-size: 3rem;
  line-height: 1;
}

.score-ring {
  align-items: center;
  aspect-ratio: 1;
  background:
    radial-gradient(circle at center, var(--primary-dark) 58%, transparent 60%),
    conic-gradient(var(--accent) 0 82%, rgba(255, 255, 255, 0.12) 82% 100%);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  margin: 0 auto 36px;
  max-width: 230px;
  width: 68%;
}

.score-ring span {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.score-bars {
  display: grid;
  gap: 18px;
}

.score-bars span {
  color: rgba(255, 255, 255, 0.82);
  display: grid;
  font-size: 0.86rem;
  gap: 8px;
}

.score-bars span::after {
  background:
    linear-gradient(90deg, var(--accent) var(--bar), rgba(255, 255, 255, 0.13) var(--bar));
  border-radius: 999px;
  content: "";
  height: 8px;
}

.feature-list {
  display: grid;
  gap: 34px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list article {
  border-left: 2px solid rgba(176, 141, 87, 0.64);
  padding-left: 22px;
}

.site-footer {
  align-items: center;
  background: #000;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  padding: 28px 7vw;
}

.site-footer p {
  color: rgba(255, 255, 255, 0.64);
  margin: 0;
}

.thanks-page {
  align-items: center;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.76), rgba(3, 16, 32, 0.86)),
    url("assets/koreskill-hero.png") center / cover;
  display: flex;
  min-height: calc(100vh - 38px);
  padding: 8vw;
}

.thanks-panel {
  max-width: 760px;
}

.thanks-panel h1 {
  font-size: clamp(2.75rem, 7vw, 6.4rem);
}

.thanks-panel p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.08rem;
  line-height: 1.6;
  max-width: 560px;
}

.thanks-link {
  background: var(--accent);
  border-radius: 7px;
  color: var(--white);
  display: inline-flex;
  font-weight: 800;
  margin-top: 18px;
  padding: 14px 18px;
  text-transform: uppercase;
}

@media (max-width: 1120px) {
  .hero-panel {
    min-height: auto;
    overflow: visible;
    padding: 360px 24px 28px;
  }

  .hero-copy,
  .waitlist-card {
    position: relative;
    transform: none;
  }

  .hero-copy {
    left: auto;
    top: auto;
  }

  .waitlist-card {
    margin: 34px auto 0;
    max-width: none;
    right: auto;
    top: auto;
    width: 100%;
  }

  .audience-strip,
  .platform-layout {
    grid-template-columns: 1fr;
  }

  .audience-strip {
    gap: 16px;
    padding-left: 0;
    padding-right: 0;
  }

  .reason-grid,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .reason-card + .reason-card {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 52px;
    padding: 0 18px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a {
    font-size: 0.72rem;
  }

  .hero-shell {
    padding: 14px 14px 0;
  }

  .hero-panel {
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    min-height: 0;
    padding: 300px 16px 22px;
  }

  .hero-image {
    height: 380px;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 4.2rem);
  }

  .hero-metrics span {
    width: 100%;
  }

  .waitlist-card {
    border-radius: 8px;
    margin-left: auto;
    margin-right: auto;
    padding: 22px 18px;
    scroll-margin-top: 108px;
    width: 100%;
  }

  .waitlist-card h2 {
    font-size: 1.08rem;
  }

  .why-section,
  .platform-section {
    padding: 58px 18px;
  }

  .reason-card,
  .assessment-preview {
    padding: 24px 20px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 24px 18px;
  }
}