:root {
  --bg: #070707;
  --bg-elevated: #111111;
  --bg-panel: #161616;
  --bg-trust: #101010;
  --text: #f4f1ea;
  --text-muted: #b7b1a6;
  --gold: #c4a46a;
  --gold-deep: #a8894d;
  --gold-soft: rgba(196, 164, 106, 0.16);
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Barlow", "Helvetica Neue", sans-serif;
  --container: 1180px;
  --header-h: 84px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(196, 164, 106, 0.08), transparent 55%),
    linear-gradient(180deg, #0b0b0b 0%, var(--bg) 40%, #050505 100%);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: rgba(7, 7, 7, 0.72);
  backdrop-filter: blur(14px);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(7, 7, 7, 0.92);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.brand-text {
  display: grid;
  gap: 0.1rem;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
  line-height: 1;
}

.brand-text span {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  position: relative;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ddd7cc;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

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

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

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

.btn-gold {
  background: linear-gradient(180deg, #d2b47a 0%, var(--gold) 48%, var(--gold-deep) 100%);
  color: #111;
}

.btn-gold:hover {
  background: linear-gradient(180deg, #dbc08a 0%, #ccad72 48%, #b59557 100%);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-outline-gold {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}

.btn-outline-gold:hover {
  background: var(--gold-soft);
}

.login-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ddd7cc;
  cursor: pointer;
}

.login-link:hover {
  color: var(--gold);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 0 auto;
  background: currentColor;
  position: relative;
}

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

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

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: stretch;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  transform: scale(1.04);
  animation: hero-kenburns 18s ease-out forwards;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.55) 42%, rgba(0, 0, 0, 0.28) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.15) 40%, rgba(0, 0, 0, 0.72) 100%);
}

.hero-inner {
  width: min(var(--container), calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 4.5rem 0 3.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 2.5rem;
  align-items: end;
}

.hero-copy {
  max-width: 38rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #efe8db;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 5.6rem);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-wrap: balance;
}

.hero-lead {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  color: #ebe4d8;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.hero-points {
  display: grid;
  gap: 1.1rem;
  padding: 1.25rem;
  background: rgba(8, 8, 8, 0.45);
  border: 1px solid rgba(196, 164, 106, 0.22);
  backdrop-filter: blur(8px);
}

.hero-point {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 0.85rem;
  align-items: start;
}

.icon-badge {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(196, 164, 106, 0.45);
  background: rgba(196, 164, 106, 0.08);
  color: var(--gold);
}

.icon-badge svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.hero-point strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-point p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.section {
  padding: 5rem 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}

.section-kicker {
  margin: 0 0 0.65rem;
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-head h2,
.footer-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1;
  text-transform: uppercase;
}

.section-head p {
  margin: 0.85rem 0 0;
  max-width: 36rem;
  color: var(--text-muted);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.15rem;
}

.course-card {
  display: grid;
  grid-template-rows: 180px auto;
  min-height: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.course-card:hover {
  border-color: rgba(196, 164, 106, 0.45);
  transform: translateY(-3px);
}

.course-media {
  position: relative;
  overflow: hidden;
}

.course-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.05);
  transition: transform 0.45s ease, filter 0.45s ease;
}

.course-card:hover .course-media img {
  transform: scale(1.05);
  filter: grayscale(0.1) contrast(1.08);
}

.course-media .icon-badge {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  background: rgba(10, 10, 10, 0.78);
}

.course-body {
  display: grid;
  gap: 0.7rem;
  padding: 1.15rem 1.1rem 1.25rem;
}

.course-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.1;
}

.course-body p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.course-body .more {
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.trust-bar {
  background: linear-gradient(180deg, #121212 0%, #0d0d0d 100%);
  border-block: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  padding: 2.4rem 0;
}

.trust-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 0.85rem;
  align-items: start;
}

.trust-item strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.trust-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-cta {
  text-align: center;
  padding-bottom: 2rem;
}

.footer-cta p {
  margin: 0.85rem auto 0;
  max-width: 34rem;
  color: var(--text-muted);
}

.subscribe-form {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin: 1.5rem auto 0;
  width: min(560px, 100%);
}

.subscribe-form input {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  background: #0d0d0d;
  color: var(--text);
}

.subscribe-form input:focus {
  outline: 1px solid var(--gold);
  border-color: var(--gold);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #050505;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 0;
}

.social {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.social span {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.social a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--gold);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.social a:hover {
  border-color: var(--gold);
  background: var(--gold-soft);
}

.social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 1.4rem;
  border-top: 1px solid var(--line);
  color: #8f897f;
  font-size: 0.82rem;
}

.footer-bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a:hover {
  color: var(--gold);
}

.demo-banner {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(196, 164, 106, 0.35);
  background: rgba(10, 10, 10, 0.88);
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes hero-kenburns {
  from { transform: scale(1.08); }
  to { transform: scale(1.02); }
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: auto auto;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
    background: rgba(8, 8, 8, 0.97);
    border-bottom: 1px solid var(--line);
  }

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

  .nav a {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
  }

  .menu-toggle {
    display: grid;
    place-items: center;
    justify-self: end;
  }

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

  .hero-inner {
    grid-template-columns: 1fr;
    align-items: end;
    padding-top: 3.5rem;
  }

  .hero-points {
    order: 2;
  }

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

  .section-head {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .container,
  .hero-inner {
    width: min(var(--container), calc(100% - 1.5rem));
  }

  .brand-text span {
    display: none;
  }

  .hero {
    min-height: calc(100svh - var(--header-h));
  }

  .hero-actions,
  .subscribe-form {
    flex-direction: column;
  }

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

  .course-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .footer-main,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}