/* ============================================
   RNTD — Really Not That Deep
   Brand System v2 — 60/30/10 Authority Balance
   ============================================ */

:root {
  /* Primary palette */
  --cream:         #FFF9F5;   /* 60% — primary background */
  --charcoal:      #2D2D2D;   /* text & headers */
  --charcoal-soft: #555555;   /* secondary text */
  --accent:        #A675A1;   /* 30% — buttons, active states */
  --accent-light:  #D4A5C9;   /* 10% — hover, borders */
  --divider:       rgba(232, 197, 216, 0.2);  /* soft section dividers */

  /* Semantic aliases (keeps backwards-compat with existing component refs) */
  --mauve-deep:    #A675A1;
  --mauve-mid:     #D4A5C9;
  --mauve-light:   #E8C5D8;
  --cream-warm:    #F5EDE8;
  --lavender-pale: #F2EAF2;
  --lavender-mid:  #E8D5E8;
  --white:         #FFFFFF;

  /* Typography */
  --font-serif: 'Lora', Georgia, serif;
  --font-sans:  'Inter', -apple-system, sans-serif;
  --font-mono:  'IBM Plex Mono', 'Courier New', monospace;

  /* Spacing & Shape */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(166, 117, 161, 0.08);
  --shadow-md: 0 8px 40px rgba(166, 117, 161, 0.14);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--mauve-deep);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--charcoal);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--charcoal);
  border: 1.5px solid var(--lavender-mid);
}
.btn-secondary:hover {
  border-color: var(--mauve-deep);
  color: var(--mauve-deep);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--mauve-deep);
  border: 1.5px solid var(--mauve-light);
  padding: 12px 24px;
}
.btn-outline:hover {
  background: var(--lavender-pale);
  border-color: var(--mauve-deep);
}

.btn-nav {
  background: var(--lavender-pale);
  color: var(--mauve-deep);
  padding: 10px 22px;
  font-size: 0.85rem;
}
.btn-nav:hover {
  background: var(--mauve-deep);
  color: var(--white);
}

/* ============================================
   SECTION TAGS + MONO LABELS
   ============================================ */
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--lavender-pale);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

/* Standalone mono label — for metadata, credentials, stats */
.mono-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal-soft);
}

.mono-label-accent {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal="left"] {
  transform: translateX(-24px);
}
[data-reveal="right"] {
  transform: translateX(24px);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}
[data-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"] { transition-delay: 0.4s; }

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--charcoal);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--charcoal-soft);
  line-height: 1.7;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 247, 245, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(212, 204, 216, 0.3);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--charcoal);
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--charcoal-soft);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--mauve-deep); }

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
  max-width: 1120px;
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  display: block;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--charcoal);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--charcoal-soft);
  margin-bottom: 44px;
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--accent-light);
  text-transform: uppercase;
}

.hero-proof .dot { opacity: 0.4; }

/* Orbs */
.hero-visual {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.orb-1 {
  width: 400px; height: 400px;
  background: var(--accent-light);
  top: 0; right: 0;
}

.orb-2 {
  width: 280px; height: 280px;
  background: var(--lavender-pale);
  bottom: 60px; right: 80px;
}

.orb-3 {
  width: 200px; height: 200px;
  background: var(--accent);
  top: 100px; right: 200px;
  opacity: 0.15;
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee-wrap {
  background: var(--mauve-deep);
  padding: 16px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 28px;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
}

.marquee-track span {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  flex-shrink: 0;
}

.marquee-track .sep {
  color: rgba(255,255,255,0.3);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================
   AI FEATURE
   ============================================ */
.ai-feature {
  padding: 100px 0;
  background: var(--cream-warm);
}

.ai-feature-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ai-feature-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 20px;
}

.ai-feature-text p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--charcoal-soft);
  margin-bottom: 16px;
}

.ai-note {
  font-size: 0.88rem !important;
  color: var(--mauve-mid) !important;
  font-style: italic;
  margin-bottom: 32px !important;
}

/* Chat Demo */
.chat-demo {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--lavender-mid);
}

.chat-demo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--lavender-pale);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--charcoal);
}

.chat-demo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mauve-deep);
}

.chat-demo-body {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-msg {
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 85%;
}

.chat-msg.user {
  background: var(--lavender-pale);
  color: var(--charcoal);
  align-self: flex-end;
  border-radius: 12px 12px 4px 12px;
}

.chat-msg.ai {
  background: var(--mauve-deep);
  color: var(--white);
  align-self: flex-start;
  border-radius: 12px 12px 12px 4px;
}

.chat-typing { display: block; }
.chat-full { display: none; }

.chat-demo:hover .chat-typing { display: none; }
.chat-demo:hover .chat-full { display: block; }

/* ============================================
   RESOURCES
   ============================================ */
.resources {
  padding: 100px 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid var(--lavender-pale);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--mauve-light);
}

.resource-card-featured {
  background: var(--mauve-deep);
  color: var(--white);
  border-color: var(--mauve-deep);
}

.resource-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mauve-mid);
}

.resource-label-paid {
  color: var(--white);
  background: var(--mauve-mid);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 50px;
}

.resource-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--charcoal);
}

.resource-paid h3 { color: var(--white); }

.resource-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--charcoal-soft);
  flex: 1;
}

.resource-paid p { color: rgba(255,255,255,0.8); }

/* ============================================
   EPISODES
   ============================================ */
.episodes {
  padding: 100px 0;
  background: var(--cream-warm);
}

.episodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.episode-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--lavender-pale);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.episode-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--mauve-light);
}

.episode-card-featured {
  background: var(--lavender-pale);
  border-color: var(--mauve-light);
}

.episode-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--lavender-pale), var(--mauve-light));
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.episode-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.episode-play {
  position: absolute;
  width: 40px; height: 40px;
  background: rgba(125, 95, 125, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  padding-left: 3px;
  transition: transform 0.2s;
}

.episode-card:hover .episode-play {
  transform: scale(1.1);
  background: var(--mauve-deep);
}

.episode-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mauve-mid);
}

.episode-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--charcoal);
}

.episode-card p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--charcoal-soft);
  flex: 1;
}

.episode-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--mauve-deep);
  margin-top: auto;
}

.episodes-cta { text-align: center; }

/* ============================================
   ABOUT STRIP
   ============================================ */
.about-strip {
  padding: 100px 0;
}

.about-strip-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-strip-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 20px;
}

.about-strip-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--charcoal-soft);
  margin-bottom: 16px;
}

.about-photo {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: block;
}

/* ============================================
   EMAIL CAPTURE
   ============================================ */
.email-capture {
  padding: 100px 0;
  background: var(--mauve-deep);
}

.email-capture-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.email-capture h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 16px;
}

.email-capture p {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
}

.email-form {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.email-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: background 0.2s;
}

.email-input::placeholder { color: rgba(255,255,255,0.5); }
.email-input:focus { background: rgba(255,255,255,0.2); }

.email-capture .btn-primary {
  background: var(--white);
  color: var(--mauve-deep);
  flex-shrink: 0;
}

.email-capture .btn-primary:hover {
  background: var(--cream);
}

.email-note {
  font-size: 0.8rem !important;
  color: rgba(255,255,255,0.45) !important;
  margin-bottom: 0 !important;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  margin-bottom: 60px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--white);
  display: block;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 320px;
}

.footer-disclaimer {
  font-size: 0.78rem !important;
  opacity: 0.5;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.4;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  opacity: 0.4;
  transition: opacity 0.2s;
}

.footer-bottom-links a:hover { opacity: 0.8; }

/* ============================================
   AUTHORITY PODCAST VAULT
   ============================================ */
.pod-vault {
  padding: 100px 0;
  background: var(--white);
  border-top: 1px solid var(--divider);
}

.pod-vault-header {
  max-width: 560px;
  margin: 0 auto 60px;
  text-align: center;
}

.pod-vault-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  color: var(--charcoal);
  line-height: 1.2;
  margin: 12px 0 16px;
}

.pod-vault-header p {
  font-size: 1rem;
  color: var(--charcoal-soft);
  line-height: 1.7;
}

.pod-vault-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.pod-category-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--lavender-pale);
  display: inline-block;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.pod-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pod-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s;
}

.pod-card:hover { opacity: 0.8; }

.pod-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--lavender-pale), var(--mauve-light));
  overflow: hidden;
}

.pod-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pod-thumb-fallback {
  background: linear-gradient(135deg, var(--lavender-pale), var(--mauve-light));
}

.pod-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 36, 40, 0.35);
  color: white;
  font-size: 1rem;
  opacity: 0;
  transition: opacity 0.2s;
}

.pod-card:hover .pod-play { opacity: 1; }

.pod-title {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--charcoal);
  font-weight: 400;
}

.pod-vault-cta {
  text-align: center;
  margin-top: 56px;
}

@media (max-width: 900px) {
  .pod-vault-grid { grid-template-columns: 1fr; gap: 48px; }
  .pod-cards { flex-direction: row; }
  .pod-card { flex: 1; }
}

@media (max-width: 560px) {
  .pod-cards { flex-direction: column; }
}

/* ============================================
   RESEARCH VAULT
   ============================================ */
.research-vault {
  padding: 100px 0;
  background: var(--charcoal);
  position: relative;
  overflow: hidden;
}

.research-vault::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(166, 117, 161, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.research-vault-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.research-vault .mono-label {
  color: var(--accent-light);
  display: block;
  margin-bottom: 20px;
}

.research-vault h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.research-vault-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin-bottom: 56px;
}

.research-institutions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.research-inst-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 28px 24px;
  text-align: center;
  transition: background 0.2s ease;
}

.research-inst-card:hover {
  background: rgba(166, 117, 161, 0.08);
}

.research-inst-name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  display: block;
  margin-bottom: 8px;
}

.research-inst-label {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  display: block;
  line-height: 1.3;
}

.research-frameworks {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.research-framework-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(166, 117, 161, 0.6);
  padding: 6px 14px;
  border: 1px solid rgba(166, 117, 161, 0.2);
  border-radius: 50px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 100px 24px 60px; }
  .hero-visual { display: none; }

  .ai-feature-inner { grid-template-columns: 1fr; gap: 48px; }
  .resources-grid { grid-template-columns: 1fr; }
  .episodes-grid { grid-template-columns: 1fr; }
  .about-strip-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-strip-visual { display: none; }

  .research-institutions { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 600px) {
  .hero-ctas { flex-direction: column; }
  .email-form { flex-direction: column; }
  .footer-links { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }
  .research-institutions { grid-template-columns: 1fr; }
  .research-frameworks { gap: 12px; }
}