/* ================================================================
   VIRTUS FORMATION — PRODUCTION STYLESHEET v4.0
   Class selectors only. No element selectors. No descendant selectors.
   All layout is via multi-class pattern: class="s-pad bg-warm"
   ================================================================ */

/* Reset — apply on body */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg-primary, #181818);
  color: var(--text-tertiary, #DDD5C5);
  font-family: var(--font-sans, 'Inter', system-ui, sans-serif);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
section[id] { scroll-margin-top: 5rem; }


/* ================================================================
   TYPOGRAPHY
   Paint only — never add margin, padding, or layout values here.
   ================================================================ */

.t-dis-xl {
  font-family: var(--font-serif);
  font-size: clamp(3.25rem, 9vw, 6rem);
  font-weight: 700;
  line-height: 0.95;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.t-dis-lg {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.t-dis-md {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.625rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.t-dis-sm {
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.t-body {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  line-height: 1.85;
  color: var(--text-tertiary);
}

.t-body-lg {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  line-height: 1.85;
  color: var(--text-tertiary);
}

.t-body-md {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-tertiary);
}

.t-body-sm {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: 1.75;
  color: var(--text-tertiary);
}

.t-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.8vw, 2rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-primary);
}

.t-pull {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-style: italic;
  line-height: 1.5;
  color: var(--text-primary);
}

.t-label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-accent);
}

.t-label::before {
  content: "—";
  display: inline-block;
  margin-right: 0.5em;
  color: var(--text-accent);
  opacity: 0.7;
  font-weight: 400;
  letter-spacing: 0;
}

.t-label-faint {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.t-nav {
  font-family: var(--font-sans);
  font-size: 0.65625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
}

.t-caption {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* Inline modifiers — apply via span in Webflow Designer */
.t-accent {
  color: var(--text-accent);
  font-style: italic;
  font-family: var(--font-serif);
}

.t-it {
  color: var(--text-primary);
  font-style: italic;
  font-family: var(--font-serif);
}

.t-strong {
  color: var(--text-secondary);
  font-weight: 500;
}


/* ================================================================
   BACKGROUNDS
   Apply as standalone class on section elements.
   Never set background-color inside a component class.
   ================================================================ */

.charcoal-light { background-color: #181818; }
.charcoal { background-color: #141414; }
.charcoal-dark { background-color: #121213; }

.bone-light { background-color: #edeae0; }
.bone { background-color: #EDE5D5; }
.bone-dark { background-color: #DCD4C4; }

.light-mode {
  background-color: var(--bg-primary);
}

.light-mode * {
  --text-primary: #2C2420;
  --text-secondary: #4A4540;
  --text-tertiary: rgba(44, 36, 32, 0.68);
  --text-muted: rgba(44, 36, 32, 0.55);
  --text-accent: #A67C2E;
  --bg-primary: #EDE5D5;
  --bg-secondary: #F5F0E8;
  --bg-tertiary: #DCD4C4;
  --border: rgba(44, 36, 32, 0.12);
  --border-gold: rgba(166, 124, 46, 0.35);
}


/* ================================================================
   LAYOUT
   Structure only — never color, font, or paint values inside.
   ================================================================ */

.s-pad {
  position: relative;
  padding-top: var(--section-v);
  padding-bottom: var(--section-v);
  padding-left: var(--section-h);
  padding-right: var(--section-h);
}

.s-container {
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--sp-5);
  padding-right: var(--sp-5);
}

.s-narrow {
  max-width: var(--max-w-narrow);
  margin-left: auto;
  margin-right: auto;
}

.s-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: var(--max-w-prose);
  margin-bottom: var(--sp-7);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 6.25rem);
  align-items: start;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}

.flex-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.flex-top {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.btn-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}


/* ================================================================
   DIVIDERS
   ================================================================ */

.divider {
  flex: 1;
  height: 1px;
  display: block;
  background-color: var(--border);
}

.divider-gold {
  height: 1px;
  background-image: linear-gradient(90deg, var(--gold), transparent);
}

.divider-ornate {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: 100%;
  max-width: 30rem;
  margin-left: auto;
  margin-right: auto;
}

.divider-fade-left {
  flex: 1;
  height: 1px;
  display: block;
  background-image: linear-gradient(to right, transparent, rgba(180, 170, 120, 0.5) 40%, rgba(180, 170, 120, 0.5));
}

.divider-fade-right {
  flex: 1;
  height: 1px;
  display: block;
  background-image: linear-gradient(to left, transparent, rgba(180, 170, 120, 0.5) 40%, rgba(180, 170, 120, 0.5));
}

.divider-mark {
  color: #B4AA78;
  font-size: var(--text-base);
  opacity: 0.7;
  flex-shrink: 0;
  line-height: 1;
}


/* ================================================================
   BUTTONS
   Apply .btn as base on every button element.
   Add .btn-primary etc. as combo class.
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border-style: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
  padding-top: 1.0625rem;
  padding-bottom: 1.0625rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
}

.btn-primary {
  background-color: var(--text-accent);
  color: var(--bg-primary);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border-style: solid;
  border-width: 1px;
  border-color: var(--border-gold);
  padding-top: 0.9375rem;
  padding-bottom: 0.9375rem;
  padding-left: 2.375rem;
  padding-right: 2.375rem;
}

.btn-ghost {
  background-color: transparent;
  border-style: none;
  color: var(--text-muted);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.1em;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
}

.btn-sm {
  background-color: var(--text-accent);
  color: var(--bg-primary);
  font-size: 0.65625rem;
  padding-top: 0.6875rem;
  padding-bottom: 0.6875rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.btn-discord {
  background-color: var(--discord);
  color: #ffffff;
  letter-spacing: 0.18em;
  font-weight: 700;
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 2.25rem;
  padding-right: 2.25rem;
  gap: 0.75rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}


/* ================================================================
   BADGES & TAGS
   ================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  padding-left: 0.875rem;
  padding-right: 0.875rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-new {
  background-color: rgba(139, 107, 190, 0.09);
  border: 1px solid rgba(139, 107, 190, 0.25);
  color: var(--badge-new);
}

.badge-updated {
  background-color: rgba(100, 175, 100, 0.09);
  border: 1px solid rgba(100, 175, 100, 0.22);
  color: var(--badge-ok);
}

.badge-popular {
  background-color: rgba(200, 80, 80, 0.09);
  border: 1px solid rgba(200, 80, 80, 0.24);
  color: var(--badge-hot);
}

.badge-active {
  background-color: rgba(201, 168, 76, 0.10);
  border: 1px solid rgba(201, 168, 76, 0.40);
  color: var(--gold);
}

.badge-locked {
  background-color: rgba(221, 213, 197, 0.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  background-color: rgba(201, 168, 76, 0.07);
  border: 1px solid rgba(201, 168, 76, 0.15);
  color: rgba(201, 168, 76, 0.7);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  padding-left: 0.625rem;
  padding-right: 0.625rem;
  border-radius: var(--radius);
  white-space: nowrap;
}


/* ================================================================
   CARDS
   Never set background inside a card class — use bg-* separately.
   ================================================================ */

.card {
  border-radius: var(--radius);
  overflow: hidden;
}

.card-standard {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--ease);
}

.card-standard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--gold);
  opacity: 0;
  transition: opacity var(--ease);
}

.card-pillar {
  padding-top: 2.25rem;
  padding-bottom: 2.25rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--ease), background-color var(--ease);
}

.card-warm {
  background-color: var(--bg-warm-formal);
  border: 1px solid rgba(201, 168, 76, 0.18);
  padding-top: 2.75rem;
  padding-bottom: 2.75rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: inset 0 0 2rem rgba(201, 168, 76, 0.03);
  transition: border-color var(--ease);
}

.card-warm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-image: linear-gradient(90deg, transparent, var(--text-accent) 30%, var(--text-accent) 70%, transparent);
  opacity: 1;
}

.card-callout {
  background-color: rgba(201, 168, 76, 0.05);
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  border-right: 1px solid rgba(201, 168, 76, 0.15);
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
  border-left: 3px solid var(--gold);
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.card-anchor {
  text-align: center;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-gold);
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  padding-left: 2.75rem;
  padding-right: 2.75rem;
}

.card-resource {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease);
}

.card-num {
  font-family: var(--font-serif);
  font-size: 2.875rem;
  font-weight: 700;
  color: rgba(201, 168, 76, 0.12);
  line-height: 1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.04em;
}


/* ================================================================
   FORMS
   ================================================================ */

.input {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
  padding-left: 1.125rem;
  padding-right: 1.125rem;
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--ease);
}

.input::placeholder {
  color: rgba(221, 213, 197, 0.25);
}

.input-inline {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--ease);
}

.input-inline-field {
  flex: 1;
  background-color: var(--bg-tertiary);
  border-style: none;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
  padding-left: 1.125rem;
  padding-right: 1.125rem;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  color: var(--text-primary);
  outline: none;
}

.input-inline-field::placeholder {
  color: rgba(221, 213, 197, 0.25);
}

.input-inline-btn {
  background-color: var(--gold);
  border-style: none;
  color: var(--bg-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 1.375rem;
  padding-right: 1.375rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--ease);
}

.form-wrap {
  background-color: var(--bg-tertiary);
  border-top: 2px solid var(--gold);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
  padding-top: 3rem;
  padding-bottom: 3rem;
  padding-left: 3rem;
  padding-right: 3rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}

.form-label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}


/* ================================================================
   NAVIGATION
   nav-bar uses position: fixed in production.
   nav-scrolled is applied by JS on scroll > 40px.
   ================================================================ */

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 4.25rem;
  background-color: rgba(24, 24, 24, 0.9);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.nav-scrolled {
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid rgba(180, 170, 120, 0.12);
  background-color: rgba(10, 8, 6, 0.85);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding-left: var(--section-h);
  padding-right: var(--section-h);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-logo-accent {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.nav-link {
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--font-sans);
  font-size: 0.65625rem;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--ease);
}

.nav-cta {
  background-color: var(--gold);
  color: var(--bg-primary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  padding-top: 0.625rem;
  padding-bottom: 0.625rem;
  padding-left: 1.125rem;
  padding-right: 1.125rem;
  font-family: var(--font-sans);
  font-size: 0.65625rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--ease);
}


/* ================================================================
   FOOTER
   ================================================================ */

.footer {
  background-color: var(--bg-primary);
  border-top: 1px solid rgba(180, 170, 120, 0.1);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  padding-left: var(--section-h);
  padding-right: var(--section-h);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-copy {
  color: rgba(235, 225, 195, 0.4);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  letter-spacing: 0.05em;
  line-height: 1.6;
}


/* ================================================================
   UTILITIES
   ================================================================ */

.code-ref {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--gold);
  background-color: rgba(201, 168, 76, 0.08);
  border: 1px solid rgba(201, 168, 76, 0.15);
  padding-top: 0.1875rem;
  padding-bottom: 0.1875rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: var(--radius);
  white-space: nowrap;
}

.code-inline {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--gold);
  background-color: rgba(201, 168, 76, 0.08);
  padding-top: 0.125rem;
  padding-bottom: 0.125rem;
  padding-left: 0.375rem;
  padding-right: 0.375rem;
  border-radius: var(--radius);
}

.scroll-line { display: block; }
.scroll-label { display: block; }

/* Margin-bottom */
.mb-0  { margin-bottom: 0; }
.mb-1  { margin-bottom: 0.375rem; }
.mb-2  { margin-bottom: 0.5rem; }
.mb-3  { margin-bottom: 0.625rem; }
.mb-4  { margin-bottom: 0.75rem; }
.mb-5  { margin-bottom: 1rem; }
.mb-6  { margin-bottom: 1.25rem; }
.mb-7  { margin-bottom: 1.5rem; }
.mb-8  { margin-bottom: 2rem; }
.mb-9  { margin-bottom: 2.5rem; }
.mb-10 { margin-bottom: 3rem; }

/* Margin-top */
.mt-1  { margin-top: 0.25rem; }
.mt-2  { margin-top: 0.375rem; }
.mt-3  { margin-top: 0.5rem; }
.mt-4  { margin-top: 0.75rem; }
.mt-5  { margin-top: 1rem; }
.mt-6  { margin-top: 1.5rem; }
.mt-7  { margin-top: 2rem; }

/* Display */
.d-block        { display: block; }
.d-inline-block { display: inline-block; }
.d-flex         { display: flex; }
.d-inline-flex  { display: inline-flex; }

/* Text align */
.text-center { text-align: center; }
.text-left   { text-align: left; }

/* Flex helpers */
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-end       { align-items: flex-end; }
.gap-lg          { gap: 2rem; }
.gap-xl          { gap: 3rem; }

/* Max-width helpers */
.mw-full   { max-width: var(--max-w); }
.mw-narrow { max-width: var(--max-w-narrow); }
.mw-prose  { max-width: var(--max-w-prose); }
.mw-xs     { max-width: var(--max-w-xs); }
.mw-card   { max-width: var(--max-w-card); }


/* ================================================================
   HOVER & FOCUS STATES
   ================================================================ */

.btn-primary:hover { background-color: var(--text-accent); transform: translateY(-1px); }
.btn-secondary:hover { border-color: var(--gold); background-color: rgba(201, 168, 76, 0.05); }
.btn-ghost:hover { color: var(--text-primary); }
.btn-sm:hover { background-color: var(--text-accent); }
.btn-discord:hover { background-color: var(--discord-dark); }

.nav-link:hover { color: var(--text-primary); }
.nav-link[aria-current="page"] { color: var(--text-accent); }
.nav-cta:hover { background-color: var(--text-accent); }

.card-standard:hover { border-color: var(--border-gold); }
.card-pillar:hover { border-color: var(--border-gold); background-color: rgba(201, 168, 76, 0.02); }
.card-warm:hover { border-color: rgba(201, 168, 76, 0.35); }
.card-resource:hover { border-color: var(--border-gold); transform: translateY(-2px); }

.input:focus { border-color: rgba(201, 168, 76, 0.4); }
.input-inline:focus-within { border-color: rgba(201, 168, 76, 0.4); }
.input-inline-btn:hover { background-color: var(--text-accent); }


/* ================================================================
   HOMEPAGE MOTION & SURFACES
   Scroll reveal, ripple stagger, hero scaffolding, layered light
   surfaces, and CSS-variable-driven parallax. These classes satisfy
   contracts that src/js/main.js already expects.
   ================================================================ */

/* Scroll reveal — opacity only, so the transform property stays
   free for .parallax-slow (classes can now compose on one element). */
.reveal {
  opacity: 0;
  transition: opacity var(--ease-slow);
  will-change: opacity;
}

.is-revealed {
  opacity: 1;
}

/* Ripple stagger — same visuals as .reveal; per-item delay set inline */
.ripple-item {
  opacity: 0;
  transition: opacity var(--ease-slow);
  will-change: opacity;
}

.ripple-item.is-revealed {
  opacity: 1;
}

/* Positioning wrapper used by main.js ripple IntersectionObserver */
.s-relative {
  position: relative;
}

/* Hero — section container that hosts the canvas animation */
.hero {
  position: relative;
  min-height: clamp(40rem, 92vh, 52rem);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  padding-top: calc(var(--section-v) + 9.25rem);
  padding-bottom: calc(var(--section-v) + 5.25rem);
  padding-left: var(--section-h);
  padding-right: var(--section-h);
}

.hero-scroll-cue {
  position: absolute;
  bottom: var(--sp-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
  pointer-events: none;
}

/* Scroll-bleed — vertical gold line aligned to canvas pivot (right 1/3 = 66.6667%) */
.scroll-bleed {
  position: absolute;
  top: 0;
  left: 66.6667%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 2;
}

.scroll-bleed-fill {
  width: 100%;
  height: 100%;
  background-color: var(--gold);
  transform-origin: top center;
  transform: scaleY(0);
  opacity: 0;
}

/* Layered light surface — elevated bone-colored artifact on dark sections.
   Overrides semantic tokens so children (t-*, .btn-ghost, etc.) adapt. */
.surface-light {
  background-color: var(--bone-light);
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  padding-left: clamp(2rem, 5vw, 4.5rem);
  padding-right: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid rgba(44, 36, 32, 0.12);
  border-radius: var(--radius);
  position: relative;
  --text-primary: #2C2420;
  --text-secondary: #4A4540;
  --text-tertiary: rgba(44, 36, 32, 0.72);
  --text-muted: rgba(44, 36, 32, 0.55);
  --text-accent: var(--gold-dark);
  --border: rgba(44, 36, 32, 0.12);
  --border-gold: rgba(166, 124, 46, 0.35);
  --bg-primary: var(--bone-light);
  --bg-secondary: var(--bone);
  --bg-tertiary: var(--bone-light);
}

/* Architectural corner cut — top-right at ~45°, 2.5rem depth */
.surface-clipped {
  clip-path: polygon(0 0, calc(100% - 2.5rem) 0, 100% 2.5rem, 100% 100%, 0 100%);
}

/* Parallax — "sticky" drift that slows an element's upward motion
   as the page scrolls. Positive multiplier → element moves DOWN
   relative to the page, staying visible longer. */
.parallax-slow {
  will-change: transform;
  transform: translate3d(0, calc(var(--scroll-y, 0) * 0.15 * 1px), 0);
}

/* Section divider — thin bone hairline at top of a section. Static
   gradient: strongest in the center, softening toward the edges. */
.section-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-image: linear-gradient(
    90deg,
    rgba(237, 229, 213, 0.06) 0%,
    rgba(237, 229, 213, 0.45) 50%,
    rgba(237, 229, 213, 0.06) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Grain overlay — SVG fractalNoise rendered as an inline data URL,
   locked to the viewport at very low opacity for subtle texture. */
.grain {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 50;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.75'/></svg>");
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .ripple-item {
    transition: none;
    opacity: 1;
  }
  .parallax-slow {
    transform: none;
  }
}


/* ================================================================
   MEMBER AREA — APP SHELL
   Shared two-column shell used by every /member/* page: fixed left
   sidebar + short top bar + scrolling main. Collapses to an
   off-canvas drawer below 960px (layout-mode change, not a sizing
   concern — clamp can't express categorical hide/show, so a media
   query is the correct tool here).
   ================================================================ */

.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: 3rem 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  min-height: 100dvh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.app-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 30;
}

.app-sidebar-header {
  padding-top: 0.25rem;
  padding-bottom: 0.75rem;
  padding-left: 0.625rem;
  padding-right: 0.625rem;
}

.app-sidebar-group {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.app-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: 0.625rem;
  padding-right: 0.625rem;
  color: var(--text-tertiary);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  letter-spacing: 0.01em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: color var(--ease), background-color var(--ease);
}

.app-sidebar-item:hover {
  color: var(--text-primary);
  background-color: rgba(201, 168, 76, 0.04);
}

.app-sidebar-item[aria-current="page"] {
  color: var(--text-accent);
  background-color: rgba(201, 168, 76, 0.08);
}

.app-sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  padding-left: 0.625rem;
  padding-right: 0.625rem;
  border-top: 1px solid var(--border);
}

.app-topbar {
  grid-area: topbar;
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  height: 3rem;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.app-topbar-crumbs {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--text-tertiary);
}

.app-topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.app-main {
  grid-area: main;
  min-width: 0;
  padding-top: 2rem;
  padding-bottom: 4rem;
  padding-left: clamp(1rem, 3vw, 2rem);
  padding-right: clamp(1rem, 3vw, 2rem);
}

.app-page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.app-section {
  margin-bottom: 3rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  background-color: transparent;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  line-height: 1;
  transition: color var(--ease), border-color var(--ease);
}

.theme-toggle:hover {
  color: var(--text-accent);
  border-color: var(--border-gold);
}

.app-sidebar-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding-top: 0;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  background-color: transparent;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  line-height: 1;
  transition: color var(--ease), border-color var(--ease);
}

.app-sidebar-trigger:hover {
  color: var(--text-accent);
  border-color: var(--border-gold);
}

.app-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 55;
  background-color: rgba(0, 0, 0, 0.5);
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "topbar"
      "main";
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 16.25rem;
    height: 100dvh;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
  }

  .app-sidebar.is-open {
    transform: translateX(0);
  }

  .app-backdrop.is-open {
    display: block;
  }

  .app-sidebar-trigger {
    display: inline-flex;
  }
}


/* ================================================================
   MEMBER AREA — DATA PRIMITIVES
   Composable pieces that slot into app shell sections: progress
   bars for course completion and padded list rows for note feeds.
   No color or type overrides — all tokens are inherited.
   ================================================================ */

.progress {
  position: relative;
  width: 100%;
  height: 3px;
  background-color: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  display: block;
  height: 100%;
  background-color: var(--text-accent);
  border-radius: 2px;
  transition: width var(--ease);
}

.data-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--text-primary);
  transition: background-color var(--ease);
}

.data-row:hover {
  background-color: rgba(201, 168, 76, 0.04);
}

.data-row:last-child {
  border-bottom: none;
}


/* ================================================================
   MEMBER AREA — TABS
   Generic underline-style tab bar. Used on account settings and
   the course player section nav. Tabs sit above a `.tab-panel`
   which is hidden until it receives `.is-active`. Switching is
   wired by src/js/tabs.js using aria-controls / aria-selected.
   ================================================================ */

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--sp-4);
  overflow-x: auto;
  scrollbar-width: none;
}

.tab {
  flex-shrink: 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease);
  white-space: nowrap;
}

.tab:hover {
  color: var(--text-secondary);
}

.tab.is-active {
  color: var(--text-accent);
  border-bottom-color: var(--text-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}


/* ================================================================
   MEMBER AREA — BREADCRUMBS
   Compact inline breadcrumb trail used on course launcher and
   player pages to show position within the course hierarchy.
   ================================================================ */

.crumbs {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-bottom: var(--sp-3);
}

.crumb {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
}

.crumb:hover {
  color: var(--text-accent);
}

.crumb-sep {
  font-size: var(--text-xs);
  color: var(--text-muted);
  opacity: 0.5;
  user-select: none;
}


/* ================================================================
   MEMBER AREA — COURSE PLAYER
   Three-zone layout inside .app-main: the default .app-sidebar
   is replaced by a course progress tree; center holds all section
   content; right edge holds an optional notes drawer.

   .player-shell       — CSS Grid wrapper [player-main | drawer]
                         sits directly inside .app-main
   .player-main        — center content column (video/essay/quiz/
                         supplemental + transcript + controls)
   .player-video-frame — 16:9 aspect-ratio wrapper for Mux embed
   .player-transcript  — scrollable transcript beneath video
   .player-controls    — Prev / Mark Complete / Next button row
   .player-drawer      — right-edge notes panel, 3 states:
                           default  → hidden (display:none)
                           .is-open → fixed overlay from right
                           .is-pinned → grid column, resizable
   .player-drawer-resizer — 4px drag handle on left edge of drawer
   ================================================================ */

.player-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  min-height: 0;
}

.player-shell.drawer-pinned {
  grid-template-columns: 1fr 380px;
}

.player-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.player-video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-transcript {
  max-height: 24rem;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-3);
  background-color: var(--bg-secondary);
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}

.player-drawer {
  display: none;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border);
}

.player-drawer.is-open {
  display: flex;
  position: fixed;
  top: 3rem;
  right: 0;
  bottom: 0;
  width: 380px;
  z-index: 200;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

.player-drawer.is-pinned {
  display: flex;
  position: static;
  width: auto;
}

.player-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.player-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-3);
}

.player-drawer-resizer {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  cursor: col-resize;
  background-color: transparent;
  transition: background-color var(--ease);
}

.player-drawer-resizer:hover {
  background-color: var(--text-accent);
}


/* ================================================================
   MEMBER AREA — HIGHLIGHT POPUP
   Small floating action bar that appears above a text selection
   inside .player-transcript or .s-narrow. Positioned by JS via
   fixed coordinates; shown/hidden with .is-visible.
   ================================================================ */

.highlight-popup {
  position: fixed;
  display: none;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.375rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 300;
  pointer-events: auto;
}

.highlight-popup.is-visible {
  display: flex;
}

.highlight-popup-btn {
  background: none;
  border: none;
  padding: 0.25rem 0.625rem;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius);
  transition: color var(--ease), background-color var(--ease);
  white-space: nowrap;
}

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