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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    line-height: 1.618;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul,
ol {
    list-style: none;
}

/* ========================================
   2. CSS CUSTOM PROPERTIES (Semantic)
   ======================================== */
:root {
    --color-primary: #E63946;
    --color-primary-dark: #C62B38;
    --color-primary-light: #FF5A67;

    --color-secondary: #1D3557;
    --color-secondary-dark: #14253D;
    --color-secondary-light: #2A4A7A;

    --color-accent: #F4A261;
    --color-accent-dark: #E08A3C;
    --color-white: #FFFFFF;
    --color-black: #0A0A0A;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #D4D4D4;
    --color-gray-400: #A3A3A3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;
    --color-bg: var(--color-gray-50);
    --color-bg-alt: var(--color-white);
    --color-bg-dark: var(--color-secondary);
    --color-text: var(--color-gray-800);
    --color-text-muted: var(--color-gray-500);
    --color-text-light: var(--color-gray-400);
    --color-border: var(--color-gray-200);
    --color-border-dark: var(--color-gray-300);
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
    --belt-white: #FFFFFF;
    --belt-blue: #0066CC;
    --belt-purple: #6B3FA0;
    --belt-brown: #8B4513;
    --belt-black: #1A1A1A;
    --space-xs: 0.382rem;
    --space-sm: 0.618rem;
    --space-md: 1rem;
    --space-lg: 1.618rem;
    --space-xl: 2.618rem;
    --space-2xl: 4.236rem;
    --space-3xl: 6.854rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --sidebar-width: 16rem;
    --header-height: 4rem;
    --container-max: 75rem;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: var(--color-gray-900);
        --color-bg-alt: var(--color-gray-800);
        --color-text: var(--color-gray-100);
        --color-text-muted: var(--color-gray-400);
        --color-border: var(--color-gray-700);
    }
}

/* ========================================
   3. LAYOUT STRUCTURE (Sidebar-Left)
   ======================================== */
.l-page {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
}

.l-sidebar {
    grid-column: 1;
    grid-row: 1 / -1;
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-secondary);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    z-index: var(--z-fixed);
    transition: transform var(--transition-base);
}

.l-main {
    grid-column: 2;
    grid-row: 1 / -1;
    padding: var(--space-xl);
    margin-left: 0;
}

.l-footer {
    grid-column: 2;
    background: var(--color-secondary);
    color: var(--color-white);
}

.l-mobile-header {
    display: none;
}

@media (max-width: 63.9375rem) {
    .l-page {
        grid-template-columns: 1fr;
    }

    .l-sidebar {
        transform: translateX(-100%);
    }

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

    .l-main {
        grid-column: 1;
        padding: var(--space-lg) var(--space-md);
        padding-top: calc(var(--header-height) + var(--space-lg));
    }

    .l-footer {
        grid-column: 1;
    }

    .l-mobile-header {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--header-height);
        background: var(--color-secondary);
        color: var(--color-white);
        align-items: center;
        justify-content: space-between;
        padding: 0 var(--space-md);
        z-index: var(--z-fixed);
    }
}

/* ========================================
   4. SIDEBAR COMPONENT
   ======================================== */
.sidebar__header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
}

.sidebar__logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-primary);
}

.sidebar__logo-text {
    font-size: var(--font-size-sm);
    font-weight: var(--font-bold);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar__nav {
    flex: 1;
    padding: var(--space-lg) 0;
    overflow-y: auto;
}

.nav-list__item {
    margin-bottom: var(--space-xs);
}

.nav-list__link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
}

.nav-list__link:hover,
.nav-list__link.is-active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--color-primary);
}

.nav-list__icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

.sidebar__footer {
    padding: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar__user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar__user-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
    color: var(--color-white);
}

.sidebar__user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--font-size-sm);
}

.sidebar__user-info {
    display: flex;
    flex-direction: column;
}

.sidebar__user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
}

.sidebar__user-plan {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

.sidebar__user-plan.is-premium {
    color: var(--color-accent);
}

.sidebar__logout {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.sidebar__logout:hover {
    color: var(--color-primary);
}

.sidebar__logout svg {
    width: 1.25rem;
    height: 1.25rem;
}

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

/* ========================================
   5. MOBILE HEADER & MENU
   ======================================== */
.mobile-menu-toggle {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.25rem;
}

.hamburger-line {
    width: 1.25rem;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-open .hamburger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-weight: var(--font-bold);
}

.mobile-logo__icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-primary);
}

.mobile-user-btn {
    width: 2.5rem;
    height: 2.5rem;
}

.mobile-user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-fixed) - 1);
}

.mobile-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   6. BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-semibold);
    line-height: 1.5;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn--secondary {
    background: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn--secondary:hover {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
}

.btn--outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border-color: transparent;
}

.btn--ghost:hover {
    background: var(--color-gray-100);
}

.btn--sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
}

.btn--lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
}

.btn--full {
    width: 100%;
}

.btn--icon {
    padding: var(--space-sm);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   7. CARDS
   ======================================== */
.card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card__image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-gray-200);
}

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

.card__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.card:hover .card__play {
    opacity: 1;
}

.card__play-icon {
    width: 4rem;
    height: 4rem;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transform: scale(0.9);
    transition: transform var(--transition-fast);
}

.card:hover .card__play-icon {
    transform: scale(1);
}

.card__play-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 0.25rem;
}

.card__badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.card__badge--live {
    background: var(--color-error);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.card__duration {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
}

.card__content {
    padding: var(--space-md);
}

.card__category {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.card__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.card__meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card__meta-item svg {
    width: 1rem;
    height: 1rem;
}

/* ========================================
   8. SECTION STYLES
   ======================================== */
.section {
    padding: var(--space-2xl) 0;
}

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

.section--gray {
    background: var(--color-gray-100);
}

.section__header {
    margin-bottom: var(--space-xl);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-sm);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

.section--dark .section__subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--auto {
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
}

@media (max-width: 63.9375rem) {

    .grid--3,
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 47.9375rem) {

    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   9. HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 70vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl) 0;
}

.hero__content {
    max-width: 36rem;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: rgba(230, 57, 70, 0.1);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero__badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-extrabold);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero__title-highlight {
    color: var(--color-primary);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__media {
    position: relative;
    aspect-ratio: 16/10;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero__video-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(29, 53, 87, 0.8) 0%, rgba(230, 57, 70, 0.6) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.hero__play-btn {
    width: 5rem;
    height: 5rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.hero__play-btn:hover {
    transform: scale(1.1);
}

.hero__play-btn svg {
    width: 2rem;
    height: 2rem;
    margin-left: 0.25rem;
}

.hero__video-label {
    margin-top: var(--space-md);
    color: var(--color-white);
    font-weight: var(--font-semibold);
}

@media (max-width: 63.9375rem) {
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .hero__media {
        order: -1;
    }
}

/* ========================================
   10. STATS / METRICS
   ======================================== */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.stats__item {
    text-align: center;
    padding: var(--space-md);
}

.stats__number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-extrabold);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.stats__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-medium);
}

@media (max-width: 63.9375rem) {
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 35.9375rem) {
    .stats {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   11. CATEGORY TABS
   ======================================== */
.categories {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.category-tab {
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.category-tab:hover,
.category-tab.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* ========================================
   12. PRICING CARDS
   ======================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    align-items: stretch;
}

.pricing-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    border-color: var(--color-primary);
    position: relative;
}

.pricing-card--featured::before {
    content: 'Mais Popular';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.pricing-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
}

.pricing-card__price {
    margin-bottom: var(--space-lg);
}

.pricing-card__amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-extrabold);
    color: var(--color-primary);
}

.pricing-card__period {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pricing-card__features {
    text-align: left;
    margin-bottom: var(--space-xl);
    flex: 1;
}

.pricing-card__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pricing-card__feature svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

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

@media (max-width: 79.9375rem) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 47.9375rem) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   13. INSTRUCTORS / ATHLETES
   ======================================== */
.instructor-card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
    transition: all var(--transition-base);
}

.instructor-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.instructor-card__image {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-gray-200);
}

.instructor-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.instructor-card:hover .instructor-card__image img {
    transform: scale(1.05);
}

.instructor-card__content {
    padding: var(--space-lg);
}

.instructor-card__name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xs);
}

.instructor-card__belt {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.instructor-card__belt-indicator {
    width: 1rem;
    height: 0.25rem;
    border-radius: var(--radius-sm);
}

.instructor-card__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.instructor-card__stat {
    text-align: center;
}

.instructor-card__stat-value {
    font-weight: var(--font-bold);
    color: var(--color-text);
}

.instructor-card__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ========================================
   14. FAQ ACCORDION
   ======================================== */
.faq-list {
    max-width: 50rem;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-item__question:hover {
    color: var(--color-primary);
}

.faq-item__icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.faq-item.is-open .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.is-open .faq-item__answer {
    max-height: 500px;
}

.faq-item__answer-content {
    padding-bottom: var(--space-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ========================================
   15. CTA SECTION
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-3xl) var(--space-xl);
    border-radius: var(--radius-2xl);
    text-align: center;
}

.cta-section__title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-md);
}

.cta-section__description {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    max-width: 40rem;
    margin: 0 auto var(--space-xl);
}

.cta-section__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   16. CONTACT FORM
   ======================================== */
.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact-info {
    padding-right: var(--space-xl);
}

.contact-info__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-md);
}

.contact-info__description {
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.contact-info__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-info__icon {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(230, 57, 70, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info__icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.contact-info__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.contact-info__value {
    font-weight: var(--font-medium);
}

.contact-form {
    background: var(--color-bg-alt);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.form-textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-light);
}

@media (max-width: 63.9375rem) {
    .contact-section {
        grid-template-columns: 1fr;
    }

    .contact-info {
        padding-right: 0;
    }
}

/* ========================================
   17. FOOTER
   ======================================== */
.footer__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr) 1.5fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
}

.footer__logo-icon {
    width: 2rem;
    height: 2rem;
    color: var(--color-primary);
}

.footer__tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social a {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-primary);
}

.footer__social svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    color: var(--color-white);
}

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

.footer__list a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__address p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-style: normal;
    font-size: var(--font-size-sm);
}

.footer__address svg {
    width: 1rem;
    height: 1rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.footer__address a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

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

.footer__legal a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

@media (max-width: 63.9375rem) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__brand {
        grid-column: span 2;
    }
}

@media (max-width: 35.9375rem) {
    .footer__grid {
        grid-template-columns: 1fr;
    }

    .footer__brand {
        grid-column: 1;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ========================================
   18. AUTH PAGES
   ======================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.auth-container {
    width: 100%;
    max-width: 28rem;
}

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.auth-logo svg {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--color-primary);
}

.auth-logo span {
    font-weight: var(--font-bold);
    font-size: var(--font-size-xl);
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.auth-footer a:hover {
    text-decoration: underline;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.form-check input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.form-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.form-link:hover {
    text-decoration: underline;
}

.alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
}

.alert--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert--success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* ========================================
   19. DASHBOARD
   ======================================== */
.dashboard-header {
    margin-bottom: var(--space-xl);
}

.dashboard-header__greeting {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.dashboard-header__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-extrabold);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.dashboard-stat {
    background: var(--color-bg-alt);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.dashboard-stat__icon {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(230, 57, 70, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.dashboard-stat__icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.dashboard-stat__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xs);
}

.dashboard-stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

@media (max-width: 63.9375rem) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 35.9375rem) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   20. UTILITIES
   ======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

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

.text-right {
    text-align: right;
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

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

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

.mb-lg {
    margin-bottom: var(--space-lg);
}

.mb-xl {
    margin-bottom: var(--space-xl);
}

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

/* ========================================
   21. VIDEO LOCK OVERLAY
   ======================================== */
.video-lock {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-align: center;
    padding: var(--space-xl);
}

.video-lock__icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.7;
}

.video-lock__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-sm);
}

.video-lock__text {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    margin-bottom: var(--space-lg);
}

@media print {

    .l-sidebar,
    .l-mobile-header,
    .mobile-overlay {
        display: none !important;
    }

    .l-main {
        margin-left: 0;
        padding: 0;
    }
}