/* ============================================================
   STRIDEZ APPAREL — Men's training video platform
   Fingerprint: b5a741c4...
   - css_naming: smacss (l-prefix layout, modules no-prefix, is- state)
   - section_class_names: descriptive-full (hero-section, video-catalog…)
   - color_sections: dark-light-split
   - typography_hierarchy: streaming-montserrat
   - css_variables: basic-colors
   - css_units: em-based
   - css_methodology: functional-css helpers
   - spacing_rhythm: newspaper (tight columns)
   - animation_type: micro-interactions
   ============================================================ */

/* === Reset = none — minimal box-sizing only === */
*,*::before,*::after { box-sizing: border-box; }

/* === Tokens — basic-colors only === */
:root {
  --color-bg-dark: #0F1216;
  --color-bg-dark-2: #161A20;
  --color-bg-dark-3: #1E232B;
  --color-bg-light: #FAFAFA;
  --color-bg-light-2: #F0F1F3;
  --color-text-dark: #FFFFFF;
  --color-text-dark-mute: #B9BFC6;
  --color-text-light: #1A1F26;
  --color-text-light-mute: #5A6470;
  --color-primary: #FF4D1F;
  --color-primary-hover: #FF6A40;
  --color-primary-soft: rgba(255,77,31,0.12);
  --color-border-dark: rgba(255,255,255,0.08);
  --color-border-light: rgba(0,0,0,0.08);
  --color-success: #2BB673;
  --color-warning: #F2B53E;
  --color-danger: #E63946;
}

/* === Base — streaming-montserrat === */
html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg-dark);
  color: var(--color-text-dark);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body { min-height: 100vh; }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-primary-hover); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: inherit;
}
h1 { font-size: 3em; font-weight: 800; }
h2 { font-size: 2.1em; }
h3 { font-size: 1.45em; font-weight: 600; }
h4 { font-size: 1.15em; font-weight: 600; }
p  { margin: 0 0 1em; }

/* === SMACSS Layout (l-prefix) === */
.l-app { display: block; min-height: 100vh; }
.l-container { max-width: 75em; margin: 0 auto; padding: 0 1.25em; }
.l-section { padding: 3.5em 0; }
.l-section-narrow { padding: 2em 0; }
.l-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2em; align-items: center; }
.l-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25em; }
.l-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; }

/* color split — section variants */
.l-section.is-dark   { background: var(--color-bg-dark);   color: var(--color-text-dark); }
.l-section.is-dark-2 { background: var(--color-bg-dark-2); color: var(--color-text-dark); }
.l-section.is-light  { background: var(--color-bg-light);  color: var(--color-text-light); }
.l-section.is-light  h1, .l-section.is-light h2, .l-section.is-light h3, .l-section.is-light h4 { color: var(--color-text-light); }
.l-section.is-light  p { color: var(--color-text-light-mute); }
.l-section.is-dark   p, .l-section.is-dark-2 p { color: var(--color-text-dark-mute); }

/* === Header (top-sticky) === */
.l-header { position: sticky; top: 0; z-index: 900; background: rgba(15,18,22,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border-dark); }
.l-header-inner { display: flex; align-items: center; gap: 1.5em; padding: 0.85em 1.25em; max-width: 75em; margin: 0 auto; }
.logo { font-family: 'Montserrat', sans-serif; font-size: 1.35em; font-weight: 800; color: var(--color-text-dark); letter-spacing: -0.02em; text-transform: uppercase; }
.logo span { color: var(--color-primary); }

/* nav block: shared by desktop and mobile-menu module */
.l-header-nav { margin-left: auto; }
.nav-list { display: flex; gap: 0.25em; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-item-link { display: block; padding: 0.6em 0.9em; color: var(--color-text-dark-mute); font-size: 0.92em; font-weight: 500; border-radius: 0.3em; transition: all 0.2s ease; }
.nav-item-link:hover { color: var(--color-text-dark); background: var(--color-bg-dark-3); }
.nav-item-link.is-active { color: var(--color-primary); }
.nav-cta-wrap { display: flex; gap: 0.5em; margin-left: 0.5em; }

/* === Mobile menu module (slide-top) — embedded === */
[data-mm-header] {
  --mm-bg: var(--color-bg-dark-2);
  --mm-text: var(--color-text-dark);
  --mm-primary: var(--color-primary);
  --mm-overlay-bg: rgba(0,0,0,0.7);
  --mm-transition: 0.3s ease;
}
[data-mm-header] { position: relative; }
[data-mm-toggle] { display: flex; flex-direction: column; justify-content: center; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; margin-left: auto; z-index: 1001; }
[data-mm-toggle] span { display: block; width: 24px; height: 2px; background: var(--mm-text); transition: var(--mm-transition); }
[data-mm-menu] { position: fixed; top: 0; left: 0; width: 100%; background: var(--mm-bg); transform: translateY(-100%); transition: transform var(--mm-transition); z-index: 1100; overflow-y: auto; -webkit-overflow-scrolling: touch; display: flex; flex-direction: column; padding: 60px 24px 24px; box-shadow: 0 4px 20px rgba(0,0,0,0.5); }
[data-mm-menu].mm-open { transform: translateY(0); }
[data-mm-menu] ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
[data-mm-menu] ul li a { display: block; padding: 14px 0; color: var(--mm-text); text-decoration: none; font-size: 16px; border-bottom: 1px solid var(--color-border-dark); transition: color var(--mm-transition); }
[data-mm-menu] ul li a:hover { color: var(--mm-primary); }
[data-mm-close] { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 28px; line-height: 1; cursor: pointer; color: var(--mm-text); padding: 4px 8px; }
[data-mm-overlay] { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--mm-overlay-bg); opacity: 0; visibility: hidden; transition: opacity var(--mm-transition), visibility var(--mm-transition); z-index: 1050; }
[data-mm-overlay].mm-visible { opacity: 1; visibility: visible; }

@media (min-width: 768px) {
  [data-mm-toggle] { display: none !important; }
  [data-mm-menu] { position: static !important; width: auto !important; height: auto !important; background: transparent !important; transform: none !important; padding: 0 !important; overflow: visible !important; flex-direction: row !important; box-shadow: none !important; }
  [data-mm-menu] ul { flex-direction: row; gap: 0; align-items: center; }
  [data-mm-menu] ul li a { padding: 0.6em 0.9em; border-bottom: none; font-size: inherit; }
  [data-mm-close] { display: none !important; }
  [data-mm-overlay] { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  [data-mm-menu], [data-mm-overlay], [data-mm-toggle] span { transition: none !important; }
}

/* === Buttons (micro-interactions) === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5em; padding: 0.85em 1.4em; border-radius: 0.35em; font-weight: 600; font-size: 0.95em; transition: all 0.2s ease; cursor: pointer; line-height: 1; text-align: center; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; box-shadow: 0 6px 18px rgba(255,77,31,0.35); }
.btn-ghost { background: transparent; color: var(--color-text-dark); border: 1px solid var(--color-border-dark); }
.btn-ghost:hover { border-color: var(--color-text-dark); color: var(--color-text-dark); background: rgba(255,255,255,0.04); }
.btn-light { background: var(--color-text-dark); color: var(--color-text-light); }
.btn-light:hover { background: var(--color-text-dark-mute); color: var(--color-text-light); }
.btn-large { padding: 1.05em 1.8em; font-size: 1.05em; }
.btn-block { width: 100%; }

/* === Hero (course-curriculum video_layout) === */
.hero-video-section { padding: 2em 0 4em; background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 100%); }
.hero-eyebrow { display: inline-block; padding: 0.35em 0.85em; background: var(--color-primary-soft); color: var(--color-primary); font-size: 0.78em; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; border-radius: 2em; margin-bottom: 1em; }
.hero-headline { margin-bottom: 0.6em; }
.hero-sub { font-size: 1.1em; color: var(--color-text-dark-mute); max-width: 38em; margin-bottom: 1.6em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75em; margin-bottom: 2em; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 1.5em; font-size: 0.88em; color: var(--color-text-dark-mute); }
.hero-trust strong { color: var(--color-text-dark); font-size: 1.15em; margin-right: 0.3em; }

/* === course-curriculum two-panel === */
.course-layout { display: grid; grid-template-columns: 18em 1fr; gap: 0; align-items: stretch; background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; overflow: hidden; }
.curriculum-aside { background: var(--color-bg-dark); border-right: 1px solid var(--color-border-dark); padding: 1.25em 0; max-height: 36em; overflow-y: auto; }
.curriculum-label { padding: 0 1.25em 0.75em; font-size: 0.78em; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-dark-mute); border-bottom: 1px solid var(--color-border-dark); margin-bottom: 0.5em; }
.module-block { border-bottom: 1px solid var(--color-border-dark); }
.module-head { display: flex; align-items: center; gap: 0.6em; padding: 0.9em 1.25em; cursor: pointer; font-weight: 600; font-size: 0.92em; color: var(--color-text-dark); transition: background 0.2s; }
.module-head:hover { background: var(--color-bg-dark-3); }
.module-num { color: var(--color-primary); font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 0.85em; }
.module-count { margin-left: auto; font-size: 0.78em; color: var(--color-text-dark-mute); font-weight: 400; }
.module-toggle { color: var(--color-text-dark-mute); transition: transform 0.2s ease; font-size: 0.7em; }
.module-block.is-open .module-toggle { transform: rotate(180deg); }
.lesson-list { display: none; background: var(--color-bg-dark-2); list-style: none; margin: 0; padding: 0; }
.module-block.is-open .lesson-list { display: block; }
.lesson-row { display: flex; align-items: center; gap: 0.6em; padding: 0.7em 1.25em 0.7em 2.4em; font-size: 0.88em; color: var(--color-text-dark-mute); cursor: pointer; border-left: 3px solid transparent; transition: all 0.2s ease; }
.lesson-row:hover { background: var(--color-bg-dark-3); color: var(--color-text-dark); }
.lesson-row.is-active { background: var(--color-bg-dark-3); border-left-color: var(--color-primary); color: var(--color-text-dark); }
.lesson-num { color: var(--color-text-dark-mute); font-size: 0.85em; min-width: 1.5em; }
.lesson-title { flex: 1; }
.lesson-duration { font-size: 0.78em; color: var(--color-text-dark-mute); }
.lesson-lock { color: var(--color-primary); font-size: 0.85em; }
.lesson-free { font-size: 0.7em; font-weight: 600; color: var(--color-success); text-transform: uppercase; letter-spacing: 0.05em; }

.course-main { padding: 1.25em; }
.featured-video { position: relative; aspect-ratio: 16/9; background-size: cover; background-position: center; background-color: var(--color-bg-dark); border-radius: 0.4em; overflow: hidden; cursor: pointer; }
.featured-video::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.55) 100%); }
.featured-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; width: 4.5em; height: 4.5em; border-radius: 50%; background: rgba(255,77,31,0.92); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5em; padding-left: 0.18em; transition: transform 0.2s ease; }
.featured-video:hover .featured-play { transform: translate(-50%, -50%) scale(1.08); }
.featured-duration { position: absolute; bottom: 0.75em; right: 0.75em; z-index: 2; background: rgba(0,0,0,0.75); color: #fff; padding: 0.25em 0.55em; font-size: 0.8em; font-weight: 600; border-radius: 0.25em; }
.featured-overlay-title { position: absolute; left: 1em; bottom: 0.9em; right: 4em; z-index: 2; color: #fff; font-weight: 700; font-size: 1.05em; line-height: 1.3; text-shadow: 0 2px 6px rgba(0,0,0,0.5); }

.course-meta { display: flex; gap: 1em; align-items: flex-start; margin-top: 1em; padding: 1em; background: var(--color-bg-dark); border-radius: 0.4em; }
.course-meta-avatar { width: 3.5em; height: 3.5em; border-radius: 50%; background-size: cover; background-position: center; flex-shrink: 0; border: 2px solid var(--color-border-dark); }
.course-meta-body h3 { margin: 0 0 0.2em; font-size: 1.1em; }
.course-meta-role { font-size: 0.85em; color: var(--color-text-dark-mute); margin-bottom: 0.4em; }
.course-meta-desc { font-size: 0.88em; color: var(--color-text-dark-mute); line-height: 1.5; margin: 0; }
.course-chapter-tag { display: inline-block; margin-top: 0.75em; padding: 0.25em 0.65em; background: var(--color-bg-dark-3); color: var(--color-primary); font-size: 0.75em; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; border-radius: 0.25em; }

/* === Section header (descriptive-full) === */
.section-header { text-align: center; max-width: 42em; margin: 0 auto 2.5em; }
.section-header h2 { margin-bottom: 0.5em; }
.section-header p { color: inherit; opacity: 0.75; font-size: 1.05em; }

/* === Key statistics (key-metrics) === */
.key-statistics { padding: 3em 0; background: var(--color-bg-dark-2); border-top: 1px solid var(--color-border-dark); border-bottom: 1px solid var(--color-border-dark); }
.metrics-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25em; text-align: center; }
.metric { padding: 1em; }
.metric-icon { font-size: 1.8em; margin-bottom: 0.4em; color: var(--color-primary); }
.metric-value { font-family: 'Montserrat', sans-serif; font-size: 2.2em; font-weight: 800; color: var(--color-text-dark); letter-spacing: -0.02em; }
.metric-label { font-size: 0.85em; color: var(--color-text-dark-mute); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 0.25em; }

/* === Video catalog (video-library/featured-videos grid) === */
.video-catalog .video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15em, 1fr)); gap: 1.25em; }
.video-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.4em; overflow: hidden; cursor: pointer; transition: all 0.25s ease; }
.video-card:hover { transform: translateY(-3px); border-color: var(--color-primary); box-shadow: 0 12px 28px rgba(0,0,0,0.45); }
.video-card-thumb { position: relative; aspect-ratio: 16/9; background-size: cover; background-position: center; background-color: var(--color-bg-dark); }
.video-card-thumb::after { content: "▶"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 2.5em; height: 2.5em; border-radius: 50%; background: rgba(0,0,0,0.6); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.9em; padding-left: 0.15em; opacity: 0; transition: opacity 0.2s ease; }
.video-card:hover .video-card-thumb::after { opacity: 1; }
.video-card-lock { position: absolute; top: 0.5em; left: 0.5em; background: rgba(0,0,0,0.75); color: var(--color-primary); padding: 0.2em 0.55em; font-size: 0.72em; font-weight: 600; border-radius: 0.25em; text-transform: uppercase; letter-spacing: 0.05em; }
.video-card-duration { position: absolute; bottom: 0.5em; right: 0.5em; background: rgba(0,0,0,0.8); color: #fff; padding: 0.2em 0.45em; font-size: 0.78em; border-radius: 0.2em; }
.video-card-body { padding: 0.8em 0.9em 1em; }
.video-card-title { font-weight: 600; font-size: 0.95em; line-height: 1.35; margin: 0 0 0.3em; color: var(--color-text-dark); }
.video-card-meta { font-size: 0.78em; color: var(--color-text-dark-mute); }

/* === Library filters === */
.library-filters { display: flex; flex-wrap: wrap; gap: 0.5em; margin-bottom: 1.75em; padding-bottom: 1em; border-bottom: 1px solid var(--color-border-dark); }
.filter-chip { padding: 0.5em 1em; background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); color: var(--color-text-dark-mute); font-size: 0.85em; border-radius: 2em; cursor: pointer; transition: all 0.2s ease; }
.filter-chip:hover { color: var(--color-text-dark); border-color: var(--color-primary); }
.filter-chip.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.library-search { flex: 0 1 16em; margin-left: auto; }
.library-search input { width: 100%; padding: 0.55em 0.85em; background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.3em; color: var(--color-text-dark); font-size: 0.9em; }
.library-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }

/* === Categories (product-categories style) === */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(13em, 1fr)); gap: 1em; }
.category-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.4em; padding: 1.4em 1.1em; text-align: center; transition: all 0.25s ease; cursor: pointer; }
.category-card:hover { border-color: var(--color-primary); background: var(--color-bg-dark-3); }
.category-icon { font-size: 2em; color: var(--color-primary); margin-bottom: 0.4em; }
.category-card h4 { margin: 0 0 0.3em; }
.category-card-meta { font-size: 0.78em; color: var(--color-text-dark-mute); }

/* === Pricing plans (subscription-plans) === */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; align-items: stretch; }
.plan-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; padding: 1.5em 1.25em; display: flex; flex-direction: column; transition: all 0.25s ease; position: relative; }
.plan-card.is-popular { border-color: var(--color-primary); background: var(--color-bg-dark-3); transform: scale(1.02); }
.plan-popular-badge { position: absolute; top: -0.7em; left: 50%; transform: translateX(-50%); background: var(--color-primary); color: #fff; font-size: 0.72em; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3em 0.85em; border-radius: 2em; }
.plan-name { font-size: 1.1em; font-weight: 700; margin: 0 0 0.5em; }
.plan-price { font-family: 'Montserrat', sans-serif; font-size: 2.2em; font-weight: 800; color: var(--color-text-dark); letter-spacing: -0.02em; line-height: 1; }
.plan-price .plan-cents { font-size: 0.55em; font-weight: 600; color: var(--color-text-dark-mute); }
.plan-period { font-size: 0.82em; color: var(--color-text-dark-mute); margin-bottom: 1em; }
.plan-tagline { font-size: 0.85em; color: var(--color-text-dark-mute); margin-bottom: 1em; min-height: 2.6em; }
.plan-features { list-style: none; padding: 0; margin: 0 0 1.25em; flex: 1; }
.plan-features li { font-size: 0.88em; color: var(--color-text-dark-mute); padding: 0.4em 0 0.4em 1.5em; position: relative; border-bottom: 1px solid var(--color-border-dark); }
.plan-features li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }
.plan-features li:last-child { border-bottom: none; }

/* === Instructors (instructor-profiles) === */
.instructor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15em, 1fr)); gap: 1.25em; }
.instructor-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.4em; padding: 1.4em 1.25em; text-align: center; transition: all 0.25s ease; }
.instructor-card:hover { border-color: var(--color-primary); }
.instructor-photo { width: 6em; height: 6em; border-radius: 50%; background-size: cover; background-position: center; margin: 0 auto 0.8em; border: 3px solid var(--color-border-dark); }
.instructor-name { margin: 0 0 0.25em; font-size: 1.1em; }
.instructor-role { font-size: 0.82em; color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.5em; }
.instructor-spec { font-size: 0.86em; color: var(--color-text-dark-mute); margin-bottom: 0.75em; line-height: 1.45; }
.instructor-stats { display: flex; gap: 1em; justify-content: center; font-size: 0.78em; color: var(--color-text-dark-mute); border-top: 1px solid var(--color-border-dark); padding-top: 0.6em; }
.instructor-stats strong { color: var(--color-text-dark); }

/* === Platform features (platform-benefits) === */
.benefit-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15em, 1fr)); gap: 1.25em; }
.benefit-card { padding: 1.5em 1.25em; background: var(--color-bg-light-2); border-radius: 0.4em; border: 1px solid var(--color-border-light); }
.benefit-icon { width: 2.8em; height: 2.8em; background: var(--color-primary-soft); color: var(--color-primary); border-radius: 0.5em; display: flex; align-items: center; justify-content: center; font-size: 1.4em; margin-bottom: 0.8em; }
.benefit-card h4 { margin: 0 0 0.4em; font-size: 1.05em; }
.benefit-card p { font-size: 0.9em; color: var(--color-text-light-mute); margin: 0; line-height: 1.55; }

/* === Cancellation policy === */
.cancellation-policy { background: var(--color-bg-dark-2); }
.cancellation-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1em; counter-reset: step; }
.step-item { background: var(--color-bg-dark); padding: 1.4em 1.15em; border-radius: 0.4em; border: 1px solid var(--color-border-dark); position: relative; }
.step-item::before { counter-increment: step; content: counter(step); position: absolute; top: -0.7em; left: 1em; width: 1.6em; height: 1.6em; background: var(--color-primary); color: #fff; border-radius: 50%; font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 0.85em; display: flex; align-items: center; justify-content: center; }
.step-item h4 { margin: 0.5em 0 0.35em; font-size: 1em; }
.step-item p { font-size: 0.86em; color: var(--color-text-dark-mute); margin: 0; }

/* === Payment options === */
.payment-options { padding: 2.5em 0; }
.payment-row { display: flex; flex-wrap: wrap; gap: 0.75em; justify-content: center; align-items: center; margin-bottom: 1em; }
.pay-badge { background: var(--color-bg-light-2); color: var(--color-text-light); padding: 0.55em 1em; border-radius: 0.3em; font-weight: 600; font-size: 0.85em; border: 1px solid var(--color-border-light); }
.payment-secure { text-align: center; font-size: 0.82em; color: var(--color-text-light-mute); margin: 0; }

/* === FAQ (frequently-asked) === */
.faq-list { max-width: 48em; margin: 0 auto; }
.faq-item { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.4em; margin-bottom: 0.6em; overflow: hidden; }
.faq-question { width: 100%; text-align: left; padding: 1em 1.25em; font-weight: 600; font-size: 0.95em; color: var(--color-text-dark); display: flex; align-items: center; gap: 0.75em; cursor: pointer; transition: background 0.2s; }
.faq-question:hover { background: var(--color-bg-dark-3); }
.faq-question::after { content: "+"; margin-left: auto; color: var(--color-primary); font-size: 1.3em; font-weight: 600; transition: transform 0.2s ease; }
.faq-item.is-open .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 1.25em; max-height: 0; overflow: hidden; transition: all 0.25s ease; color: var(--color-text-dark-mute); font-size: 0.92em; line-height: 1.6; }
.faq-item.is-open .faq-answer { padding: 0 1.25em 1.1em; max-height: 20em; }

/* === Registration call (cta-registration) === */
.cta-banner { background: linear-gradient(135deg, var(--color-bg-dark-2) 0%, #2A1A14 100%); border-radius: 0.5em; padding: 3em 2em; text-align: center; border: 1px solid var(--color-primary); }
.cta-banner h2 { margin: 0 0 0.5em; font-size: 2em; }
.cta-banner p { color: var(--color-text-dark-mute); max-width: 36em; margin: 0 auto 1.5em; }
.cta-banner-urgency { display: inline-block; margin-top: 1em; font-size: 0.82em; color: var(--color-warning); }

/* === Forms (general) === */
.form-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; padding: 2em 1.75em; max-width: 28em; margin: 0 auto; }
.form-card h2 { margin: 0 0 0.4em; }
.form-card .form-sub { color: var(--color-text-dark-mute); font-size: 0.92em; margin-bottom: 1.4em; }
.form-group { margin-bottom: 1em; }
.form-label { display: block; font-size: 0.85em; font-weight: 600; margin-bottom: 0.35em; color: var(--color-text-dark); }
.form-input { width: 100%; padding: 0.7em 0.9em; background: var(--color-bg-dark); border: 1px solid var(--color-border-dark); border-radius: 0.3em; color: var(--color-text-dark); font-family: inherit; font-size: 0.95em; transition: all 0.2s ease; }
.form-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.form-textarea { min-height: 7em; resize: vertical; }
.form-helper { font-size: 0.78em; color: var(--color-text-dark-mute); margin-top: 0.35em; }
.form-check { display: flex; align-items: flex-start; gap: 0.6em; font-size: 0.85em; color: var(--color-text-dark-mute); }
.form-check input { margin-top: 0.2em; }
.form-error { background: rgba(230,57,70,0.12); border: 1px solid var(--color-danger); color: #ffb8be; padding: 0.7em 0.9em; border-radius: 0.3em; font-size: 0.88em; margin-bottom: 1em; }
.form-success { background: rgba(43,182,115,0.12); border: 1px solid var(--color-success); color: #aef0c9; padding: 0.7em 0.9em; border-radius: 0.3em; font-size: 0.88em; margin-bottom: 1em; }
.form-divider { text-align: center; font-size: 0.8em; color: var(--color-text-dark-mute); margin: 1em 0; position: relative; }
.form-divider::before, .form-divider::after { content: ""; position: absolute; top: 50%; width: 38%; height: 1px; background: var(--color-border-dark); }
.form-divider::before { left: 0; }
.form-divider::after { right: 0; }
.form-foot { text-align: center; font-size: 0.85em; color: var(--color-text-dark-mute); margin-top: 1em; }
.form-foot a { color: var(--color-primary); font-weight: 600; }

/* === Auth two-panel (login/register pages) === */
.auth-shell { display: grid; grid-template-columns: 1fr 1fr; gap: 0; min-height: 70vh; }
.auth-visual { background: linear-gradient(135deg, rgba(15,18,22,0.85) 0%, rgba(255,77,31,0.4) 100%), url('/images/about.jpg') center/cover; padding: 3em; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; }
.auth-visual h2 { margin: 0 0 0.5em; font-size: 1.8em; }
.auth-visual ul { list-style: none; padding: 0; margin: 1em 0 0; }
.auth-visual li { padding: 0.3em 0 0.3em 1.4em; position: relative; font-size: 0.92em; }
.auth-visual li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }
.auth-form-side { padding: 3em 1.5em; display: flex; align-items: center; justify-content: center; }

/* === Contact / footer-form === */
.contact-form { background: var(--color-bg-dark-2); padding: 2.5em 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2em; }
.contact-card { background: var(--color-bg-dark); padding: 1.5em; border-radius: 0.4em; border: 1px solid var(--color-border-dark); }
.contact-card h4 { margin: 0 0 0.4em; }
.contact-card a { color: var(--color-text-dark); }
.contact-card a:hover { color: var(--color-primary); }

/* === Page hero (sub-pages) === */
.page-hero { padding: 3em 0 2em; background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 100%); border-bottom: 1px solid var(--color-border-dark); }
.page-hero h1 { margin: 0 0 0.4em; font-size: 2.4em; }
.page-hero p { color: var(--color-text-dark-mute); max-width: 38em; margin: 0; font-size: 1.05em; }
.page-hero-breadcrumb { font-size: 0.82em; color: var(--color-text-dark-mute); margin-bottom: 0.6em; }
.page-hero-breadcrumb a { color: var(--color-text-dark-mute); }
.page-hero-breadcrumb a:hover { color: var(--color-primary); }

/* === Legal pages content === */
.legal-content { max-width: 48em; margin: 0 auto; }
.legal-content h2 { margin-top: 1.8em; font-size: 1.4em; }
.legal-content h3 { margin-top: 1.2em; font-size: 1.1em; }
.legal-content p, .legal-content li { color: var(--color-text-dark-mute); line-height: 1.7; }
.legal-content ul { padding-left: 1.4em; }
.legal-content li { margin-bottom: 0.3em; }

/* === Dashboard === */
.dash-grid { display: grid; grid-template-columns: 1fr; gap: 1.5em; }
.dash-card { background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; padding: 2em; }
.dash-card h2 { margin: 0 0 0.6em; }

/* === Footer === */
.footer { background: var(--color-bg-dark); color: var(--color-text-dark-mute); padding: 3em 0 1.5em; border-top: 1px solid var(--color-border-dark); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 2em; margin-bottom: 2em; }
.footer-brand h3 { color: var(--color-text-dark); margin: 0 0 0.5em; text-transform: uppercase; letter-spacing: -0.02em; }
.footer-brand h3 span { color: var(--color-primary); }
.footer-brand p { font-size: 0.9em; line-height: 1.6; margin: 0 0 0.8em; }
.footer-col h4 { color: var(--color-text-dark); font-size: 0.85em; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 0.8em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { padding: 0.25em 0; }
.footer-col a { color: var(--color-text-dark-mute); font-size: 0.9em; }
.footer-col a:hover { color: var(--color-primary); }
.footer-contact div { padding: 0.25em 0; font-size: 0.9em; }
.footer-contact a { color: var(--color-text-dark-mute); }
.footer-contact a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid var(--color-border-dark); padding-top: 1em; font-size: 0.82em; color: var(--color-text-dark-mute); display: flex; gap: 1em; flex-wrap: wrap; justify-content: space-between; }
.footer-bottom a { color: var(--color-text-dark-mute); }
.footer-bottom a:hover { color: var(--color-primary); }

/* === Floating Action Button (cta_logic: floating-button) === */
.fab { position: fixed; right: 1.5em; bottom: 1.5em; width: 3.6em; height: 3.6em; border-radius: 50%; background: var(--color-primary); color: #fff; box-shadow: 0 6px 22px rgba(255,77,31,0.45); display: flex; align-items: center; justify-content: center; font-size: 1.4em; cursor: pointer; z-index: 800; transition: all 0.2s ease; }
.fab:hover { transform: scale(1.06); background: var(--color-primary-hover); }
.fab:active { transform: scale(0.95); }
.fab-form { position: fixed; right: 1.5em; bottom: 5.6em; width: 22em; max-width: calc(100vw - 3em); background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; box-shadow: 0 12px 36px rgba(0,0,0,0.6); padding: 1.25em; z-index: 800; }
.fab-form-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75em; }
.fab-form-head h4 { margin: 0; font-size: 1em; }
.fab-form-close { background: none; border: none; color: var(--color-text-dark-mute); font-size: 1.4em; cursor: pointer; padding: 0; line-height: 1; }
.fab-form input, .fab-form textarea { width: 100%; padding: 0.6em 0.8em; margin-bottom: 0.6em; background: var(--color-bg-dark); border: 1px solid var(--color-border-dark); border-radius: 0.3em; color: var(--color-text-dark); font-family: inherit; font-size: 0.9em; }
.fab-form input:focus, .fab-form textarea:focus { outline: none; border-color: var(--color-primary); }

/* === Video Modal (immersive-dim) === */
.video-modal-backdrop { position: fixed; inset: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.97); z-index: 9999; display: flex; align-items: center; justify-content: center; animation: vmFadeIn 400ms ease-in-out; }
@keyframes vmFadeIn { from { opacity: 0; } to { opacity: 1; } }
.video-modal-player { position: relative; width: min(90vw, 1100px); aspect-ratio: 16/9; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.12); border-radius: 16px; box-shadow: 0 40px 100px rgba(0,0,0,0.95); backdrop-filter: blur(8px); background-size: cover; background-position: center; overflow: hidden; }
.video-modal-thumb { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(0.7); }
.video-modal-play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 100px; height: 100px; border-radius: 50%; background: rgba(255,255,255,0.08); border: 2px solid rgba(255,255,255,0.5); color: #fff; font-size: 2em; display: flex; align-items: center; justify-content: center; cursor: pointer; backdrop-filter: blur(4px); transition: all 0.2s ease; padding-left: 0.15em; }
.video-modal-play-btn:hover { background: rgba(255,255,255,0.16); border-color: #fff; transform: translate(-50%, -50%) scale(1.06); }
.video-modal-controls { position: absolute; bottom: 0; left: 0; right: 0; height: 52px; padding: 0 1.25em; display: flex; align-items: center; gap: 0.9em; color: rgba(255,255,255,0.6); font-size: 13px; opacity: 0.4; transition: opacity 0.3s ease; }
.video-modal-player:hover .video-modal-controls { opacity: 1; color: #fff; }
.video-modal-progress { flex: 1; height: 3px; background: rgba(255,255,255,0.15); border-radius: 2px; overflow: hidden; cursor: pointer; }
.video-modal-progress-fill { width: 28%; height: 100%; background: rgba(255,255,255,0.8); }
.video-modal-close { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.15); color: rgba(255,255,255,0.6); font-size: 1.2em; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; z-index: 10000; }
.video-modal-close:hover { background: rgba(255,255,255,0.12); color: #fff; }
.video-modal-icon { cursor: pointer; }

/* === Cookie banner === */
.cookie-banner { position: fixed; bottom: 1em; left: 1em; right: 1em; max-width: 38em; background: var(--color-bg-dark-2); border: 1px solid var(--color-border-dark); border-radius: 0.5em; padding: 1.2em 1.25em; box-shadow: 0 12px 36px rgba(0,0,0,0.5); z-index: 700; display: none; }
.cookie-banner.is-visible { display: block; }
.cookie-banner p { font-size: 0.85em; margin: 0 0 0.85em; color: var(--color-text-dark-mute); line-height: 1.55; }
.cookie-banner p strong { color: var(--color-text-dark); }
.cookie-actions { display: flex; flex-wrap: wrap; gap: 0.5em; }
.cookie-actions .btn { font-size: 0.82em; padding: 0.55em 1em; }

/* === Functional CSS helpers === */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5em; }
.mt-2 { margin-top: 1em; }
.mt-3 { margin-top: 1.5em; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-dark-mute); }
.font-display { font-family: 'Montserrat', sans-serif; }
.flex-row { display: flex; }
.gap-1 { gap: 0.5em; }
.gap-2 { gap: 1em; }
.w-100 { width: 100%; }
.is-hidden { display: none !important; }
.is-mobile { display: none; }
.is-desktop { display: block; }

/* === Responsive (mobile_behavior: hide-sidebar) === */
@media (max-width: 1024px) {
  .l-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .cancellation-steps { grid-template-columns: repeat(2, 1fr); }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-visual { padding: 2em 1.5em; min-height: 14em; }
}
@media (max-width: 768px) {
  h1 { font-size: 2.2em; }
  h2 { font-size: 1.7em; }
  .l-section { padding: 2.5em 0; }
  .l-grid-2, .l-grid-3, .l-grid-4 { grid-template-columns: 1fr; }
  .course-layout { grid-template-columns: 1fr; }
  .curriculum-aside { max-height: none; border-right: none; border-bottom: 1px solid var(--color-border-dark); }
  .nav-cta-wrap { display: none; }
  .nav-cta-wrap.is-mobile-show { display: flex; padding: 1em 0 0; border-top: 1px solid var(--color-border-dark); margin-top: 1em; }
  .contact-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .plan-card.is-popular { transform: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5em; }
  .library-filters { flex-direction: column; align-items: stretch; }
  .library-search { margin-left: 0; }
  .auth-visual { display: none; }
  .is-mobile { display: block; }
  .is-desktop { display: none; }
}