:root {
  --bg: #07080c;
  --bg-2: #101218;
  --surface: #161922;
  --line: rgba(198, 161, 91, 0.28);
  --line-strong: rgba(198, 161, 91, 0.55);
  --gold: #c6a15b;
  --gold-2: #e4c98a;
  --ink: #f4efe4;
  --muted: #b7b0a3;
  --dim: #8d8778;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 22px;
  --header: 84px;
  --font-display: "Cinzel", "Times New Roman", serif;
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans: "Outfit", "Segoe UI", sans-serif;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(198, 161, 91, 0.12), transparent 55%),
    radial-gradient(900px 500px at 0% 20%, rgba(46, 67, 108, 0.22), transparent 50%),
    var(--bg);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

p {
  margin: 0.55em 0 0;
}

.site-footer strong {
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  font-size: 12px;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.faq-item button:focus-visible {
  outline-offset: 4px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -40px;
  z-index: 80;
  padding: 8px 12px;
  background: var(--gold);
  color: #111;
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header);
  display: flex;
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgba(7, 8, 12, 0.72);
  border-bottom: 1px solid transparent;
  box-shadow: inset 0 1px 0 var(--gold);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(7, 8, 12, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img,
.brand svg {
  width: 38px;
  height: 38px;
  color: var(--gold);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.22em;
  font-weight: 600;
}

.brand-text span {
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(198, 161, 91, 0.12);
}

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

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-gold {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  color: #16120a;
  font-weight: 600;
}

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
}

.hero {
  padding: 48px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 11px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 500;
}

h1 {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-size: clamp(40px, 6vw, 76px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  overflow-wrap: break-word;
}

.lede {
  max-width: 54ch;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.hero-meta strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--gold-2);
}

.hero-meta span {
  color: var(--dim);
  font-size: 13px;
}

.frame {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 18%;
  filter: saturate(0.92) contrast(1.04);
}

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--gold);
  z-index: 2;
}

.frame::before {
  top: 14px;
  left: 14px;
  border-right: 0;
  border-bottom: 0;
}

.frame::after {
  right: 14px;
  bottom: 14px;
  border-left: 0;
  border-top: 0;
}

.rec {
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold-2);
  white-space: nowrap;
}

.rec i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d94a4a;
  box-shadow: 0 0 10px #d94a4a;
}

.caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  padding: 14px 16px;
  background: rgba(7, 8, 12, 0.72);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.caption strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: 0.16em;
  font-size: 12px;
}

.caption span {
  color: var(--muted);
  font-size: 13px;
}

.band {
  border-block: 1px solid var(--line);
  background: rgba(16, 18, 24, 0.7);
}

.band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.band-item {
  padding: 22px 8px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section {
  padding: 92px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.05;
}

.kicker {
  color: var(--gold);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 11px;
  margin-bottom: 12px;
}

.muted {
  color: var(--muted);
}

.problem-grid,
.cards,
.include-grid,
.steps,
.faq {
  display: grid;
  gap: 18px;
}

.problem-grid,
.cards,
.include-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.include,
.step,
.faq-item {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card,
.include {
  padding: 26px;
}

.card h3,
.include h3,
.step h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 10px;
}

.num {
  color: var(--gold);
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  font-size: 12px;
}

.curriculum {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.list-item:first-child {
  border-top: 1px solid var(--line);
}

.list-item b {
  color: var(--gold-2);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.steps {
  grid-template-columns: repeat(4, 1fr);
}

.step {
  padding: 24px;
  min-height: 220px;
}

.instructor {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.portrait {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
}

.portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 15%;
}

.quote {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.25;
  font-style: italic;
}

.faq-item button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  background: none;
  border: 0;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.faq-item button span:last-child {
  color: var(--gold);
  font-size: 22px;
  line-height: 1;
  display: inline-block;
  transition: transform 0.2s var(--ease);
}

.faq-item button[aria-expanded="true"] span:last-child {
  transform: rotate(45deg);
}

.faq-item [data-accordion-panel] {
  padding: 0 22px 20px;
  color: var(--muted);
}

.cta-panel {
  padding: 56px;
  border-radius: 32px;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(600px 180px at 90% 0%, rgba(198, 161, 91, 0.18), transparent 60%),
    linear-gradient(180deg, #171a23, #101218);
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
}

.site-footer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-hero {
  padding: 48px 0 24px;
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 64px);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

@media (max-width: 980px) {
  .hero-grid,
  .curriculum,
  .instructor,
  .cta-panel,
  .footer-inner,
  .split {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .cards,
  .include-grid,
  .band-inner,
  .steps,
  .hero-meta {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: fixed;
    inset: var(--header) 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: #12141c;
    border: 1px solid var(--line);
    border-radius: 18px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-cta .btn {
    display: none;
  }
}

@media (max-width: 680px) {
  .wrap,
  .header-inner {
    width: min(calc(100% - 28px), var(--max));
  }

  .problem-grid,
  .cards,
  .include-grid,
  .band-inner,
  .steps,
  .hero-meta {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: 28px;
  }

  h1 {
    font-size: clamp(30px, 8vw, 38px);
    overflow-wrap: break-word;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-head .btn {
    margin-top: 18px;
  }

  .brand-text span,
  .header-cta .avatar {
    display: none;
  }

  .brand-text strong {
    letter-spacing: 0.14em;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn:hover {
    transform: none;
  }
}