/* =====================================================
   AarDHD — Main Stylesheet
   Colour scheme controlled via CSS custom properties.
   Defaults set here; overridden per-page via inline
   <style> block in baseof.html using front matter.
   ===================================================== */

:root {
    --bg:           #f5f1ed;
    --bg-alt:       #ffffff;
    --text:         #2a2a2a;
    --text-muted:   #666666;
    --text-subtle:  #444444;
    --accent:       #2a2a2a;
    --accent-hover: #3a3a3a;
    --nav-bg:       #2a2a2a;
    --nav-text:     #f5f1ed;
    --nav-active:   #f5f1ed;
    --card-border:  transparent;
    --card-shadow:  0 2px 8px rgba(0, 0, 0, 0.05);
    --btn-bg:       #2a2a2a;
    --btn-text:     #f5f1ed;
    --btn-border:   #2a2a2a;
    --notice-bg:    rgba(42, 42, 42, 0.05);
    --notice-border:#2a2a2a;
    --notice-text:  #444444;
    --footer-bg:    #2a2a2a;
    --footer-text:  #f5f1ed;
    --footer-link:  #f5f1ed;
    --divider:      #e0e0e0;
    --hero-text:    #1a1a1a;
    --hero-tagline: #3a3a3a;
    --pill-bg:      rgba(42, 42, 42, 0.07);
    --pill-text:    #2a2a2a;
    --table-highlight-border: #2a2a2a;
    --hero-bg-color: #ecdec9;
	--btn-cta: 		#2a7a6e;
}

/* =====================================================
   Reset & Base
   ===================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

a {
    color: var(--accent);
}

/* =====================================================
   Typography
   ===================================================== */

h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.25rem;
}

p:last-child {
    margin-bottom: 0;
}

/* =====================================================
   Navigation
   ===================================================== */

.site-nav {
    background-color: var(--nav-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.site-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-nav a {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: opacity 0.3s ease;
}

.site-nav a:hover {
    opacity: 0.7;
}

.site-nav .nav-brand {
    font-size: 1.35rem;
    font-weight: 700;
}

.site-nav .nav-links {
    display: flex;
    gap: 2rem;
}

.site-nav .nav-links a.active {
    opacity: 1;
    border-bottom: 2px solid var(--nav-active);
    padding-bottom: 2px;
    color: var(--nav-active);
}

/* =====================================================
   Container & Sections
   ===================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

section.alt {
    background-color: var(--bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header p {
    color: var(--text-muted);
}

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* =====================================================
   Icon Styles
   ===================================================== */

.section-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem auto;
    display: block;
}

.notice-icon {
    width: 32px;
    height: 32px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 0.5rem;
}

.notice-icon-sm {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* =====================================================
   Hero
   ===================================================== */

.hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    max-height: 700px;
	background-color: var(--hero-bg-color);
background-image: 
        url('/hero-overlay.png'),
		radial-gradient(ellipse at center, 
        color-mix(in srgb, var(--hero-bg-color) 70%, white) 10%, 
        color-mix(in srgb, var(--hero-bg-color) 95%, transparent) 70%, 
        color-mix(in srgb, var(--hero-bg-color) 80%, black) 100%);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    color: var(--hero-text);
	text-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
}

.hero h1 span {
    color: var(--accent);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--hero-tagline);
    margin-bottom: 2rem;
}

/* =====================================================
   Buttons
   ===================================================== */

.cta-button {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
    border-radius: 4px;
    font-weight: 700;
    margin: 0.5rem;
    transition: background-color 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
}

.cta-button:hover {
    background-color: var(--accent-hover);
    color: var(--btn-text);
}

.cta-button.primary {
    background-color: var(--btn-cta);
    border-color: var(--btn-cta);
}

.cta-button.primary:hover {
    background-color: #1f5c53;
}

.cta-button.secondary {
    background-color: rgba(255, 255, 255, 0.50);
    border: 2px solid var(--btn-border);
    color: var(--accent);
    backdrop-filter: blur(4px);
}

.cta-button.secondary:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

/* =====================================================
   Info Cards
   ===================================================== */

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    background: var(--bg-alt);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--card-border);
}

section.alt .info-card {
    background: var(--bg);
}

.info-card h3 {
    color: var(--accent);
}

.info-card p,
.info-card li {
    color: var(--text-subtle);
}

.info-card ul {
    margin-left: 1.25rem;
}

/* =====================================================
   Notice Box
   ===================================================== */

.notice-box {
    background-color: var(--notice-bg);
    border-left: 4px solid var(--notice-border);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.notice-box strong {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.notice-box p {
    font-size: 0.9rem;
    color: var(--notice-text);
    margin-bottom: 0;
}

/* =====================================================
   Frequency Table
   ===================================================== */

.frequency-table {
    width: 100%;
	max-width: 640px;
    border-collapse: collapse;
    margin: 2rem auto;
    background: var(--bg-alt);
    font-size: 0.925rem;
}

.frequency-table th,
.frequency-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--divider);
}

.frequency-table th {
    background-color: rgba(128, 128, 128, 0.05);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.frequency-table tr.highlight {
    background-color: rgba(128, 128, 128, 0.05);
    font-weight: 500;
}

.frequency-table tr.highlight td:first-child {
    border-left: 3px solid var(--table-highlight-border);
    padding-left: calc(1rem - 3px);
}

/* =====================================================
   FAQ
   ===================================================== */

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid rgba(128, 128, 128, 0.15);
    border-radius: 8px;
    background: var(--bg-alt);
    overflow: hidden;
}

section.alt .faq-item {
    background: var(--bg);
}

.faq-item summary {
    padding: 1.5rem;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    list-style: none;
    position: relative;
    user-select: none;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item summary:hover {
    background-color: rgba(128, 128, 128, 0.03);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-subtle);
    line-height: 1.7;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* =====================================================
   YouTube Cookie Banner
   ===================================================== */

#yt-cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background-color: var(--nav-bg);
    color: var(--nav-text);
    z-index: 999;
    box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
}

.yt-banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.yt-banner-inner p {
    flex: 1;
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    min-width: 200px;
}

.yt-banner-buttons {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

#yt-cookie-banner .yt-btn-accept,
#yt-cookie-banner .btn-primary {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background-color: var(--nav-text);
    color: var(--nav-bg);
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    font-family: inherit;
}

#yt-cookie-banner .yt-btn-dismiss,
#yt-cookie-banner .btn-secondary {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background-color: transparent;
    color: var(--nav-text);
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    font-family: inherit;
}

#yt-cookie-banner .yt-btn-dismiss:hover,
#yt-cookie-banner .btn-secondary:hover {
    background-color: rgba(255,255,255,0.08);
}

/* =====================================================
   Footer
   ===================================================== */

footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 3rem 0;
    text-align: center;
}

footer h3 {
    color: var(--footer-text);
}

.footer-site-links a {
    color: var(--footer-link);
	text-decoration: none !important
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--footer-link);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.7;
}

.footer-back-link {
    margin-top: 2rem;
}

.footer-back-link a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.3s ease;
}

.footer-back-link a:hover {
    opacity: 0.7;
}

.footer-site-links {
    margin-top: 1rem;
    font-size: 0.875rem;
}

.footer-site-links a {
    opacity: 0.6;
}

.footer-site-links a:hover {
    opacity: 1;
}
/* =====================================================
   Responsive
   ===================================================== */

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero {
        height: 60vh;
        min-height: 400px;
    }

    .hero h1 { font-size: 2rem; }
    .hero-tagline { font-size: 1rem; }

    section { padding: 3rem 0; }

    .frequency-table { font-size: 0.875rem; }
    .frequency-table th,
    .frequency-table td { padding: 0.75rem 0.5rem; }

    .site-nav .nav-links { gap: 1rem; }
    .site-nav .nav-brand { font-size: 1rem; }

    .yt-banner-inner {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .faq-item summary {
        font-size: 1rem;
        padding: 1.25rem 3rem 1.25rem 1.25rem;
    }

    .faq-item summary::after { right: 1.25rem; }

    .faq-answer {
        padding: 0 1.25rem 1.25rem 1.25rem;
        font-size: 0.95rem;
    }

    .purchase-links { flex-direction: column; }
    .btn { text-align: center; }
}

/* =====================================================
   Tracks
   ===================================================== */
.track-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding: 3rem 0;
  border-bottom: 4px solid var(--divider, rgba(0,0,0,0.1));
}

.coming-soon-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
}

.track-item:last-child {
  border-bottom: none;
}

.track-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.track-info p {
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.track-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.track-link {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--accent);
  border-radius: 2rem;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.track-link:hover {
  background-color: var(--accent);
  color: var(--bg, #fff);
}

.track-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.track-video {
  position: relative;
  aspect-ratio: 16 / 9;
}

.track-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 4px;
}

@media (max-width: 768px) {
  .track-item {
    grid-template-columns: 1fr;
  }

  .track-video--desktop {
    display: none;
  }
}

@media (min-width: 769px) {
  .track-video--mobile {
    display: none;
  }
}
.about-grid {
    grid-template-columns: 1fr;
}

.frequency-table {
    overflow-x: auto;
    display: block;
}

/* =====================================================
   Video Placeholder
   ===================================================== */

.video-placeholder {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: rgba(128, 128, 128, 0.08);
    border: 1px solid var(--divider);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-align: center;
    padding: 1.5rem;
}

.video-placeholder-btn {
    padding: 0.6rem 1.5rem;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s;
}

.video-placeholder-btn:hover {
    background-color: var(--accent-hover);
}

.video-placeholder-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

.video-placeholder-note a {
    color: var(--accent);
}

/* ============================================================
   Track pages
   ============================================================ */

.hero .track-meta {
  justify-content: center;
}

.hero .track-links {
  justify-content: center;
  font-weight: bold; 
}
.hero .track-link {
    background-color: rgba(255, 255, 255, 0.50);
    backdrop-filter: blur(4px);
}

.track-video-section {
  padding: 3rem 0;
  background: var(--bg);
}

.track-content {
  padding: 3rem 0 4rem;
  background: var(--bg);
}

.track-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1.5rem 0;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.track-video-section {
  padding-bottom: 0;
}
.track-video-section iframe {
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
}
.track-video-section .video-placeholder,
.track-video-section iframe {
  width: 100%;
}
.track-video-section .video-placeholder {
  aspect-ratio: 16 / 9;
}
.track-content ul {
  margin-bottom: 1rem;
}
.track-video--mobile {
  margin-bottom: 1.5rem;
}
.notice-box .cta-button {
    display: block;
    width: fit-content;
    margin: 2rem auto 0;
}