/* ============================================================
   DR RON EHRLICH — UNIFIED ARCHITECTURE
   Phase II Design System
   Canonical: Ink/Paper/Clinical Blue/Graphite/Signal Red
   Delta: Unstress Green for B2C surfaces
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colour Palette */
  --ink: #1A1A1A;
  --paper: #F9F8F6;
  --clinical-blue: #004B87;
  --graphite: #595959;
  --signal-red: #D32F2F;
  --unstress-green: #006B54;
  --paper-dark: #EFEDE8;
  --white: #FFFFFF;

  /* Typography */
  --font-display: 'EB Garamond', Georgia, serif;
  --font-ui: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;

  /* Modular Scale (Major Third 1.250) */
  --text-meta: 0.8rem;
  --text-body: 1.125rem;
  --text-h5: 1.25rem;
  --text-h4: 1.563rem;
  --text-h3: 1.953rem;
  --text-h2: 2.441rem;
  --text-h1: 3.052rem;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 120px;
  --space-2xl: 160px;

  /* Grid */
  --max-width: 1440px;
  --content-width: 1200px;
  --body-measure: 640px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: var(--text-h1); line-height: 1.05; }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }
h5 { font-size: var(--text-h5); }

.meta {
  font-family: var(--font-ui);
  font-size: var(--text-meta);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
}

.body-measure {
  max-width: var(--body-measure);
}

p + p {
  margin-top: var(--space-sm);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

.section--dark {
  background-color: var(--ink);
  color: var(--paper);
}

.section--paper-dark {
  background-color: var(--paper-dark);
}

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--paper);
  border-bottom: 1px solid var(--paper-dark);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.site-header__logo span {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
}

.site-nav__link {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.site-nav__link:hover {
  color: var(--clinical-blue);
}

.site-nav__cta {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clinical-blue);
  border: 1px solid var(--clinical-blue);
  padding: 8px 16px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-nav__cta:hover {
  background-color: var(--clinical-blue);
  color: var(--white);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--ink);
  transition: all 0.3s ease;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.btn--primary {
  background-color: var(--clinical-blue);
  color: var(--white);
}

.btn--primary:hover {
  background-color: #003a6e;
}

.btn--secondary {
  background-color: transparent;
  color: var(--clinical-blue);
  border: 1px solid var(--clinical-blue);
}

.btn--secondary:hover {
  background-color: var(--clinical-blue);
  color: var(--white);
}

.btn--green {
  background-color: var(--unstress-green);
  color: var(--white);
}

.btn--green:hover {
  background-color: #005240;
}

.btn--ghost-white {
  background-color: transparent;
  color: var(--paper);
  border: 1px solid rgba(249,248,246,0.4);
}

.btn--ghost-white:hover {
  background-color: rgba(249,248,246,0.1);
}

.btn--text {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-body);
  color: var(--clinical-blue);
  font-weight: 400;
  cursor: pointer;
}

.btn--text::after {
  content: ' →';
}

.btn--text:hover {
  text-decoration: underline;
}

/* --- Hero Section --- */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background-color: var(--paper);
  position: relative;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-2xl);
  align-items: start;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.hero__eyebrow {
  margin-bottom: var(--space-sm);
}

.hero__headline {
  font-size: clamp(2.2rem, 4vw, var(--text-h1));
  max-width: 720px;
  margin-bottom: var(--space-md);
}

.hero__body {
  max-width: var(--body-measure);
  color: var(--graphite);
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.hero__ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.hero__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--graphite);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-top: 1px solid var(--paper-dark);
  padding-top: var(--space-sm);
}

.hero__credentials span {
  padding-right: 16px;
  margin-right: 16px;
  border-right: 1px solid var(--paper-dark);
}

.hero__credentials span:last-child {
  border-right: none;
}

.hero__data-panel {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--space-lg);
  align-self: start;
}

.hero__data-item {
  margin-bottom: var(--space-md);
}

.hero__data-item:last-child {
  margin-bottom: 0;
}

.hero__data-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--paper);
  display: block;
}

.hero__data-label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-top: 6px;
  display: block;
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: var(--space-lg);
}

.section-header__eyebrow {
  margin-bottom: var(--space-xs);
}

.section-header__title {
  max-width: 640px;
}

.section-header__body {
  max-width: var(--body-measure);
  color: var(--graphite);
  margin-top: var(--space-sm);
}

/* --- Service Cards --- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background-color: var(--paper-dark);
}

.service-card {
  background-color: var(--paper);
  padding: var(--space-lg);
  position: relative;
}

.service-card__tag {
  margin-bottom: var(--space-md);
}

.service-card__title {
  margin-bottom: var(--space-sm);
}

.service-card__body {
  color: var(--graphite);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.service-card__list {
  list-style: none;
  margin-bottom: var(--space-md);
}

.service-card__list li {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--graphite);
  padding: 8px 0;
  border-bottom: 1px solid var(--paper-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card__list li::before {
  content: '—';
  color: var(--clinical-blue);
  font-size: 0.8rem;
}

.service-card--b2c .service-card__list li::before {
  color: var(--unstress-green);
}

.service-card__cta {
  margin-top: auto;
}

/* --- Membership Block --- */
.membership-block {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) var(--space-md);
}

.membership-block__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.membership-block__title {
  color: var(--paper);
  margin-bottom: var(--space-sm);
}

.membership-block__body {
  color: rgba(249,248,246,0.7);
  margin-bottom: var(--space-md);
}

.membership-pricing {
  background-color: rgba(249,248,246,0.05);
  border: 1px solid rgba(249,248,246,0.1);
  padding: var(--space-md);
}

.pricing-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  background-color: rgba(249,248,246,0.05);
  padding: 4px;
}

.pricing-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  background: transparent;
  color: rgba(249,248,246,0.5);
  transition: all 0.2s ease;
}

.pricing-tab.active {
  background-color: var(--unstress-green);
  color: var(--white);
}

.pricing-amount {
  margin-bottom: var(--space-md);
}

.pricing-amount__currency {
  font-family: var(--font-ui);
  font-size: 1.2rem;
  font-weight: 300;
  vertical-align: top;
  margin-top: 8px;
  display: inline-block;
  color: rgba(249,248,246,0.6);
}

.pricing-amount__number {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 400;
  line-height: 1;
  color: var(--paper);
}

.pricing-amount__period {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: rgba(249,248,246,0.5);
  margin-left: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-md);
}

.pricing-features li {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: rgba(249,248,246,0.7);
  padding: 8px 0;
  border-bottom: 1px solid rgba(249,248,246,0.08);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--unstress-green);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* --- Podcast Section --- */
.podcast-section {
  padding: var(--space-xl) 0;
}

.podcast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background-color: var(--paper-dark);
  margin-top: var(--space-lg);
}

.podcast-card {
  background-color: var(--paper);
  padding: var(--space-md);
}

.podcast-card__category {
  margin-bottom: var(--space-xs);
  color: var(--clinical-blue);
}

.podcast-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h5);
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.podcast-card__guest {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.podcast-card__excerpt {
  font-size: 0.9rem;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.podcast-archive-cta {
  margin-top: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.podcast-stats {
  display: flex;
  gap: var(--space-lg);
}

.podcast-stat {
  text-align: left;
}

.podcast-stat__number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--ink);
  display: block;
}

.podcast-stat__label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--graphite);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Pillar Taxonomy --- */
.pillar-nav {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.pillar-btn {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid var(--paper-dark);
  background: var(--paper);
  color: var(--graphite);
  cursor: pointer;
  transition: all 0.2s ease;
}

.pillar-btn.active,
.pillar-btn:hover {
  background-color: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* --- Assessment Block --- */
.assessment-block {
  background-color: var(--paper-dark);
  padding: var(--space-xl) var(--space-md);
}

.assessment-block__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.assessment-block__ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.assessment-card {
  background-color: var(--paper);
  padding: var(--space-md);
  border-left: 3px solid var(--clinical-blue);
}

.assessment-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h4);
  margin-bottom: var(--space-xs);
}

.assessment-card__body {
  font-size: 0.9rem;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.assessment-card__meta {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--graphite);
}

/* --- Book Section --- */
.book-section {
  padding: var(--space-xl) 0;
}

.book-section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.book-cover {
  background-color: var(--ink);
  aspect-ratio: 2/3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

.book-cover__text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--paper);
  text-align: center;
  line-height: 1.3;
}

.book-cover__author {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-top: var(--space-sm);
  text-align: center;
}

.book-content__publisher {
  margin-bottom: var(--space-xs);
}

.book-content__title {
  margin-bottom: var(--space-sm);
}

.book-content__body {
  color: var(--graphite);
  margin-bottom: var(--space-md);
}

.book-content__quote {
  border-left: 3px solid var(--paper-dark);
  padding-left: var(--space-sm);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--graphite);
  margin-bottom: var(--space-md);
}

.book-content__attribution {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--graphite);
  margin-top: var(--space-xs);
  font-style: normal;
}

/* --- About Section --- */
.about-section {
  padding: var(--space-xl) 0;
  background-color: var(--paper-dark);
}

.about-section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: var(--space-2xl);
  align-items: start;
}

.about-section__title {
  margin-bottom: var(--space-sm);
}

.about-section__body {
  color: var(--graphite);
  margin-bottom: var(--space-md);
}

.testimonial-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.testimonial {
  background-color: var(--paper);
  padding: var(--space-md);
  border-top: 2px solid var(--clinical-blue);
}

.testimonial__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: var(--space-sm);
}

.testimonial__attribution {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--graphite);
}

.testimonial__attribution strong {
  display: block;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 2px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) 0 var(--space-md);
}

.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(249,248,246,0.1);
  margin-bottom: var(--space-md);
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--paper);
  margin-bottom: var(--space-sm);
}

.site-footer__tagline {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: rgba(249,248,246,0.5);
  line-height: 1.5;
  max-width: 280px;
}

.site-footer__col-title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(249,248,246,0.4);
  margin-bottom: var(--space-sm);
}

.site-footer__nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer__nav a {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: rgba(249,248,246,0.65);
  transition: color 0.2s ease;
}

.site-footer__nav a:hover {
  color: var(--paper);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: rgba(249,248,246,0.35);
}

/* --- Inner Page Styles --- */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--paper-dark);
}

.page-hero__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.page-hero__eyebrow {
  margin-bottom: var(--space-sm);
}

.page-hero__title {
  max-width: 720px;
  margin-bottom: var(--space-sm);
}

.page-hero__body {
  max-width: var(--body-measure);
  color: var(--graphite);
}

/* --- Corporate Advisory Page --- */
.advisory-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background-color: var(--paper-dark);
  margin-top: var(--space-lg);
}

.advisory-feature {
  background-color: var(--paper);
  padding: var(--space-md);
}

.advisory-feature__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--paper-dark);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.advisory-feature__title {
  font-size: var(--text-h4);
  margin-bottom: var(--space-xs);
}

.advisory-feature__body {
  font-size: 0.9rem;
  color: var(--graphite);
}

.inquiry-form {
  background-color: var(--paper-dark);
  padding: var(--space-xl) var(--space-md);
}

.inquiry-form__inner {
  max-width: 680px;
  margin: 0 auto;
}

.inquiry-form__title {
  margin-bottom: var(--space-sm);
}

.inquiry-form__body {
  color: var(--graphite);
  margin-bottom: var(--space-lg);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 1rem;
  color: var(--ink);
  background-color: var(--paper);
  border: 1px solid var(--paper-dark);
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--clinical-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Podcast Archive Page --- */
.archive-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-lg);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.archive-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
}

.archive-sidebar__title {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.archive-filter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.archive-filter-item {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--graphite);
  padding: 10px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}

.archive-filter-item.active,
.archive-filter-item:hover {
  color: var(--ink);
  border-left-color: var(--clinical-blue);
  background-color: var(--paper-dark);
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background-color: var(--paper-dark);
}

/* --- Membership Page --- */
.membership-page-hero {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) var(--space-md);
}

.membership-page-hero__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.membership-page-hero__title {
  color: var(--paper);
  max-width: 640px;
  margin-bottom: var(--space-sm);
}

.membership-page-hero__body {
  color: rgba(249,248,246,0.7);
  max-width: var(--body-measure);
  margin-bottom: var(--space-md);
}

.membership-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background-color: var(--paper-dark);
  max-width: var(--content-width);
  margin: var(--space-xl) auto;
  padding: 0 var(--space-md);
}

.membership-tier {
  background-color: var(--paper);
  padding: var(--space-lg);
}

.membership-tier--featured {
  border-top: 3px solid var(--unstress-green);
}

.membership-tier__name {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: var(--space-sm);
}

.membership-tier__price {
  margin-bottom: var(--space-md);
}

.membership-tier__price-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 400;
  line-height: 1;
}

.membership-tier__price-period {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--graphite);
  margin-left: 4px;
}

.membership-tier__features {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.membership-tier__features li {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--graphite);
  padding: 10px 0;
  border-bottom: 1px solid var(--paper-dark);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.membership-tier__features li::before {
  content: '✓';
  color: var(--unstress-green);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__data-panel {
    display: none;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
  .membership-block__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .book-section__inner {
    grid-template-columns: 1fr;
  }
  .about-section__inner {
    grid-template-columns: 1fr;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .archive-layout {
    grid-template-columns: 1fr;
  }
  .archive-sidebar {
    position: static;
  }
  .archive-filter-list {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .archive-filter-item {
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .archive-filter-item.active,
  .archive-filter-item:hover {
    border-left-color: transparent;
    border-bottom-color: var(--clinical-blue);
  }
  .membership-comparison {
    grid-template-columns: 1fr;
  }
  .assessment-block__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .advisory-features {
    grid-template-columns: 1fr;
  }
  .podcast-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --text-h1: 2.2rem;
    --text-h2: 1.8rem;
    --text-h3: 1.5rem;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--paper);
    border-bottom: 1px solid var(--paper-dark);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
  }

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

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding: var(--space-lg) 0;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    width: 100%;
    text-align: center;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .archive-grid {
    grid-template-columns: 1fr;
  }

  .podcast-archive-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --- Utility Classes --- */
.text-graphite { color: var(--graphite); }
.text-blue { color: var(--clinical-blue); }
.text-green { color: var(--unstress-green); }
.text-paper { color: var(--paper); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}