/* Link Pulsehub — luxurious dark theme */
:root {
  --bg: #0b0b0c;
  --bg-elevated: #141416;
  --bg-card: #1a1a1d;
  --bg-soft: #222226;
  --border: rgba(201, 168, 76, 0.18);
  --border-strong: rgba(201, 168, 76, 0.35);
  --gold: #c9a84c;
  --gold-soft: #b8953f;
  --gold-bright: #e0c36a;
  --text: #f2efe8;
  --text-muted: #a8a39a;
  --text-dim: #7a756c;
  --danger: #d97a6c;
  --success: #7dba8a;
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Outfit", system-ui, sans-serif;
  --radius: 10px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --header-h: 4.5rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

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

a {
  color: var(--gold-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.25s var(--ease);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.7rem);
}

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

ul,
ol {
  color: var(--text-muted);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: path(inset(50%));
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--gold);
  color: #111;
  padding: 0.6rem 1rem;
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(11, 11, 12, 0.88);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

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

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.4rem;
  background:
    linear-gradient(135deg, transparent 42%, var(--gold) 42%, var(--gold) 58%, transparent 58%),
    linear-gradient(45deg, var(--bg-card), var(--bg-soft));
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  background: var(--gold);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
  flex-wrap: wrap;
}

.nav-list a {
  color: var(--text-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-bright);
}

.nav-cta {
  border: 1px solid var(--border-strong);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  color: var(--gold) !important;
}

.nav-cta:hover {
  background: rgba(201, 168, 76, 0.1);
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.25rem 1.25rem;
    display: none;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-soft));
  color: #14110a;
}

.btn-primary:hover {
  color: #0a0906;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
}

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

.btn-ghost:hover {
  background: rgba(201, 168, 76, 0.08);
  color: var(--text);
}

/* Layout helpers */
.section {
  padding: 5rem 0;
}

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

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.85rem;
}

.lead {
  font-size: 1.15rem;
  max-width: 40rem;
}

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

.grid-3 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 860px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: linear-gradient(180deg, rgba(26, 26, 29, 0.95), rgba(20, 20, 22, 0.98));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.card-body {
  padding: 1.4rem 1.5rem 1.6rem;
}

.card-media {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  background: var(--bg-soft);
}

.eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

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

.gold-rule {
  width: 3.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 1.25rem 0 1.5rem;
  border: 0;
}

/* Home — editorial hero (split, not CTA-first) */
.hero-editorial {
  padding: 4.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero-editorial::before {
  content: "";
  position: absolute;
  inset: -20% 40% auto -10%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(201, 168, 76, 0.12), transparent 65%);
  pointer-events: none;
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: end;
}

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

.hero-kicker {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--gold-bright);
  margin-bottom: 1rem;
}

.hero-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.hero-stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--text);
  font-weight: 500;
}

.hero-stat span {
  color: var(--text-dim);
  font-size: 0.88rem;
}

.hero-frame {
  position: relative;
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}

.hero-frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(11, 11, 12, 0.82);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Social proof strip */
.proof-strip {
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 1.75rem 0;
}

.proof-strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: space-between;
  align-items: center;
}

.proof-item {
  font-size: 0.92rem;
  color: var(--text-dim);
}

.proof-item strong {
  color: var(--gold-bright);
  font-weight: 500;
}

/* Benefits */
.benefit {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
}

.benefit-icon {
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

/* Testimonials */
.quote-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
}

.quote-card blockquote {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--text);
}

.quote-meta {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.stars {
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

/* Pricing */
.price-card {
  padding: 2rem 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: var(--border-strong);
  background:
    linear-gradient(180deg, rgba(201, 168, 76, 0.08), transparent 40%),
    var(--bg-card);
  position: relative;
}

.price-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #14110a;
  background: var(--gold);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
}

.price-amount {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  color: var(--text);
  margin: 0.5rem 0 0.25rem;
}

.price-amount span {
  font-size: 1rem;
  color: var(--text-dim);
}

.price-card ul {
  margin: 1.25rem 0 1.75rem;
  padding-left: 1.1rem;
  flex: 1;
}

.price-card li {
  margin-bottom: 0.45rem;
}

.note-box {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--gold);
  background: rgba(201, 168, 76, 0.06);
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Forms */
.form {
  display: grid;
  gap: 1.15rem;
  max-width: 36rem;
}

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

.form label {
  font-size: 0.9rem;
  color: var(--text);
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid rgba(201, 168, 76, 0.35);
  border-color: var(--gold-soft);
}

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

.form-status {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background: rgba(125, 186, 138, 0.12);
  border: 1px solid rgba(125, 186, 138, 0.35);
  color: var(--success);
}

.form-status.is-error {
  display: block;
  background: rgba(217, 122, 108, 0.12);
  border: 1px solid rgba(217, 122, 108, 0.35);
  color: var(--danger);
}

.inline-error {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(217, 122, 108, 0.4);
  background: rgba(217, 122, 108, 0.1);
  color: var(--danger);
  border-radius: 8px;
}

/* Page heroes */
.page-hero {
  padding: 3.75rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 80% 0%, rgba(201, 168, 76, 0.1), transparent 50%),
    var(--bg);
}

.page-hero p {
  max-width: 38rem;
}

/* Course detail */
.module-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.module-list li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 0.35rem;
}

.module-list strong {
  color: var(--text);
  font-weight: 500;
}

.instructor {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.instructor img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-strong);
}

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

.faq details {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 500;
}

.faq details p {
  margin-top: 0.75rem;
}

/* Blog */
.article-prose {
  max-width: 42rem;
}

.article-prose h2 {
  margin-top: 2.5rem;
}

.article-meta {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.cover {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin: 1.5rem 0 2rem;
}

.cover img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
}

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

.contact-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-card address {
  font-style: normal;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Legal */
.legal {
  max-width: 48rem;
}

.legal h2 {
  margin-top: 2.5rem;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}

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

.legal th {
  background: var(--bg-soft);
  color: var(--gold-bright);
  font-weight: 500;
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
}

.error-page .code {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}

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

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

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

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

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

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

.footer-address {
  font-style: normal;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-bottom p {
  margin: 0;
  color: inherit;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  max-width: 520px;
  margin-inline: auto;
  padding: 1.25rem 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: none;
}

.cookie-banner.is-visible {
  display: block;
  animation: rise 0.4s var(--ease);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.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: 0.88rem;
}

/* Case study */
.case-study {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.case-study h3 {
  color: var(--gold-bright);
}

/* CTA band */
.cta-band {
  padding: 3.5rem 0;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(201, 168, 76, 0.12), transparent 60%),
    var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.cta-band p {
  margin-inline: auto;
  max-width: 32rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}

/* Lab page accents */
.lab-panel {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(201, 168, 76, 0.05), transparent 50%), var(--bg-card);
}

.metric-chip {
  display: inline-block;
  margin: 0.25rem 0.35rem 0.25rem 0;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}