/* AI Insights — premium dark + gold theme */
:root {
  --bg: #0c0b09;
  --bg-elevated: #151310;
  --bg-soft: #1c1914;
  --ink: #f3efe6;
  --ink-muted: #b7b0a3;
  --gold: #c9a227;
  --gold-soft: #e8d48b;
  --gold-deep: #8a6f1a;
  --line: rgba(201, 162, 39, 0.22);
  --danger: #d97a6a;
  --ok: #7fbe8e;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Manrope", "Segoe UI", sans-serif;
  --max: 1180px;
  --header-h: 4.5rem;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(201, 162, 39, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(232, 212, 139, 0.06), transparent 50%),
    linear-gradient(180deg, #100e0c 0%, var(--bg) 40%, #0a0908 100%);
  min-height: 100vh;
}

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

a {
  color: var(--gold-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.25s var(--ease);
}

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); }

p { margin: 0 0 1rem; color: var(--ink-muted); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--gold);
  color: var(--bg);
  padding: 0.6rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 1rem;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(12, 11, 9, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 1.1rem;
  height: 1.1rem;
  border: 1.5px solid var(--gold);
  transform: rotate(45deg);
  box-shadow: inset 0 0 0 3px rgba(201, 162, 39, 0.25);
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.55rem;
  letter-spacing: 0.02em;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  align-items: center;
}

.nav-list a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

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

.nav-cta {
  border: 1px solid var(--gold);
  padding: 0.45rem 0.9rem !important;
  color: var(--gold-soft) !important;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 2.6rem;
  height: 2.6rem;
  cursor: pointer;
  position: relative;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--gold);
  margin: 0 auto;
  position: relative;
}

.nav-toggle-bar::before { top: -6px; position: absolute; left: 0; }
.nav-toggle-bar::after { top: 6px; position: absolute; left: 0; }

@media (max-width: 920px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease);
  }
  .site-nav.is-open { max-height: 420px; }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0.85rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.btn:hover { transform: translateY(-2px); }

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-soft) 100%);
  color: #1a1508;
  font-weight: 600;
}

.btn-gold:hover { color: #1a1508; }

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

.btn-ghost:hover { background: rgba(201, 162, 39, 0.08); color: var(--gold-soft); }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* Hero — editorial full-bleed */
.hero-editorial {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
}

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

.hero-editorial .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.38) saturate(0.85);
  animation: slow-zoom 22s var(--ease) infinite alternate;
}

.hero-editorial .hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(12, 11, 9, 0.92) 0%, rgba(12, 11, 9, 0.55) 48%, rgba(12, 11, 9, 0.35) 100%),
    linear-gradient(0deg, rgba(12, 11, 9, 0.95) 0%, transparent 45%);
  z-index: 1;
}

.hero-editorial .hero-copy {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--max));
  margin: 0 auto;
  padding: 6rem 0 4.5rem;
}

.hero-brand-signal {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 6.5rem);
  color: var(--ink);
  margin: 0 0 0.2em;
  line-height: 0.95;
  animation: rise-in 0.9s var(--ease) both;
}

.hero-rule {
  width: 4.5rem;
  height: 1px;
  background: var(--gold);
  margin: 1.25rem 0 1.5rem;
  animation: rise-in 1s 0.15s var(--ease) both;
}

.hero-lede {
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--ink-muted);
  animation: rise-in 1s 0.25s var(--ease) both;
}

.hero-actions {
  animation: rise-in 1s 0.35s var(--ease) both;
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slow-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.06); }
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-tight { padding: 3.5rem 0; }

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}

.media-frame img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.media-frame:hover img { transform: scale(1.04); }

.gold-line {
  width: 3rem;
  height: 1px;
  background: var(--gold);
  margin: 1rem 0 1.25rem;
}

/* Proof strip */
.proof-strip {
  border-block: 1px solid var(--line);
  background: rgba(21, 19, 16, 0.7);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.proof-item strong {
  display: block;
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--gold-soft);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.proof-item span {
  font-size: 0.88rem;
  color: var(--ink-muted);
}

@media (max-width: 720px) {
  .proof-grid { grid-template-columns: 1fr 1fr; }
}

/* Course cards — interaction containers */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .course-grid { grid-template-columns: 1fr; }
}

.course-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.course-card:hover {
  border-color: rgba(201, 162, 39, 0.55);
  transform: translateY(-4px);
  color: inherit;
}

.course-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.course-card-body {
  padding: 1.4rem 1.35rem 1.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-card h3 {
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.course-meta {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.85rem;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* Benefits list */
.benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.benefit-list li {
  padding-left: 1.4rem;
  border-left: 1px solid var(--gold);
}

.benefit-list h3 {
  margin-bottom: 0.35rem;
  color: var(--ink);
}

/* Testimonials */
.quote-stack {
  display: grid;
  gap: 1.75rem;
}

.quote {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.quote blockquote {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1.35;
  color: var(--ink);
}

.quote cite {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.quote-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

@media (max-width: 800px) {
  .quote-grid { grid-template-columns: 1fr; }
}

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .price-grid { grid-template-columns: 1fr; }
}

.price-tier {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
}

.price-tier.featured {
  border-color: var(--gold);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.1), var(--bg-elevated) 40%);
}

.price-tier h3 { color: var(--ink); }
.price-amount {
  font-family: var(--serif);
  font-size: 2.8rem;
  color: var(--gold-soft);
  margin: 0.4rem 0 0.2rem;
}

.price-amount span {
  font-size: 1rem;
  color: var(--ink-muted);
  font-family: var(--sans);
}

.price-tier ul {
  margin: 1.25rem 0 1.75rem;
  padding: 0;
  list-style: none;
  flex: 1;
}

.price-tier li {
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* Forms */
.form {
  display: grid;
  gap: 1.1rem;
  max-width: 36rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form label {
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.85rem 1rem;
  font: inherit;
  border-radius: var(--radius);
}

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

.form .error {
  color: var(--danger);
  font-size: 0.85rem;
  min-height: 1.2em;
}

.form-status {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  display: none;
}

.form-status.is-success {
  display: block;
  border-color: var(--ok);
  color: var(--ok);
}

.form-status.is-error {
  display: block;
  border-color: var(--danger);
  color: var(--danger);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 860px) {
  .contact-panel { grid-template-columns: 1fr; }
}

.address-block {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  padding: 1.75rem;
}

.address-block p { color: var(--ink-muted); }

/* Blog */
.blog-list {
  display: grid;
  gap: 2rem;
}

.blog-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
  text-decoration: none;
  color: inherit;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  transition: opacity 0.3s var(--ease);
}

.blog-item:hover { opacity: 0.88; color: inherit; }

.blog-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.blog-item h2 {
  font-size: 1.7rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.blog-meta {
  font-size: 0.82rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

@media (max-width: 700px) {
  .blog-item { grid-template-columns: 1fr; }
}

.prose {
  max-width: 42rem;
}

.prose h2 { margin-top: 2.5rem; color: var(--ink); }
.prose h3 { margin-top: 1.75rem; color: var(--ink); }
.prose ul, .prose ol { color: var(--ink-muted); padding-left: 1.2rem; }
.prose li { margin-bottom: 0.45rem; }

.page-hero {
  padding: 4.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 { margin-bottom: 0.4rem; }
.page-hero p { max-width: 36rem; font-size: 1.1rem; }

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.75rem;
  max-width: 46rem;
}

.faq-item {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
}

.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.2rem;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item[open] summary { color: var(--gold-soft); }

.faq-item .faq-body {
  padding: 0 1.25rem 1.25rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  max-width: 520px;
  margin-left: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--gold-deep);
  padding: 1.35rem 1.4rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}

.cookie-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.cookie-banner p {
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.cookie-actions .btn {
  padding: 0.65rem 1.1rem;
  font-size: 0.8rem;
}

/* Tables */
.cookie-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 1.5rem 0;
}

.cookie-table th,
.cookie-table td {
  border: 1px solid var(--line);
  padding: 0.75rem 0.85rem;
  text-align: left;
  vertical-align: top;
}

.cookie-table th {
  background: var(--bg-soft);
  color: var(--gold-soft);
  font-weight: 600;
}

.cookie-table td { color: var(--ink-muted); }

/* Modules */
.module-list {
  counter-reset: mod;
  list-style: none;
  padding: 0;
  margin: 0;
}

.module-list li {
  counter-increment: mod;
  padding: 1.25rem 0 1.25rem 3.5rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.module-list li::before {
  content: counter(mod, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.25rem;
  font-family: var(--serif);
  color: var(--gold);
  font-size: 1.2rem;
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(120deg, rgba(201, 162, 39, 0.14), transparent 55%),
    var(--bg-elevated);
  border-block: 1px solid var(--line);
  text-align: center;
  padding: 4.5rem 1.5rem;
}

.cta-band h2 { color: var(--ink); }
.cta-band p { max-width: 32rem; margin-inline: auto; }

/* 404 */
.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1.5rem;
}

.error-page .code {
  font-family: var(--serif);
  font-size: clamp(5rem, 16vw, 9rem);
  color: var(--gold);
  line-height: 1;
  margin: 0;
}

/* Inline script errors */
.runtime-error {
  margin: 1rem auto;
  width: min(100% - 2.5rem, var(--max));
  padding: 0.85rem 1rem;
  border: 1px solid var(--danger);
  color: var(--danger);
  background: rgba(217, 122, 106, 0.08);
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* Footer */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--line);
  background: #090807;
  padding: 3.5rem 0 2rem;
}

.footer-inner {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.footer-tag {
  max-width: 28rem;
  margin-bottom: 2.5rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-heading {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li { margin-bottom: 0.45rem; }

.footer-col a {
  color: var(--ink-muted);
  text-decoration: none;
}

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

.footer-contact p {
  font-size: 0.92rem;
  margin-bottom: 0.65rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  font-size: 0.85rem;
}

@media (max-width: 860px) {
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .footer-cols { grid-template-columns: 1fr; }
}

/* Instructor */
.instructor {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.5rem;
  align-items: start;
  border: 1px solid var(--line);
  padding: 1.5rem;
  background: var(--bg-elevated);
}

.instructor img {
  width: 160px;
  height: 160px;
  object-fit: cover;
}

@media (max-width: 560px) {
  .instructor { grid-template-columns: 1fr; }
  .instructor img { width: 120px; height: 120px; }
}

.rating-stars {
  color: var(--gold);
  letter-spacing: 0.08em;
}