/* CSS Reset: normalize */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { line-height: 1.15; -webkit-text-size-adjust: 100%; }
body { margin: 0; }
main { display: block; }
h1 { font-size: 2em; margin: 0.67em 0; }
hr { box-sizing: content-box; height: 0; overflow: visible; }
pre { font-family: monospace, monospace; font-size: 1em; }
a { background-color: transparent; }
abbr[title] { border-bottom: none; text-decoration: underline; text-decoration: underline dotted; }
b, strong { font-weight: bolder; }
code, kbd, samp { font-family: monospace, monospace; font-size: 1em; }
small { font-size: 80%; }
sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }
sub { bottom: -0.25em; }
sup { top: -0.5em; }
img { border-style: none; }
button, input, optgroup, select, textarea { font-family: inherit; font-size: 100%; line-height: 1.15; margin: 0; }
button, input { overflow: visible; }
button, select { text-transform: none; }
button, [type="button"], [type="reset"], [type="submit"] { -webkit-appearance: button; }
button::-moz-focus-inner, [type="button"]::-moz-focus-inner, [type="reset"]::-moz-focus-inner, [type="submit"]::-moz-focus-inner { border-style: none; padding: 0; }
button:-moz-focusring, [type="button"]:-moz-focusring, [type="reset"]:-moz-focusring, [type="submit"]:-moz-focusring { outline: 1px dotted ButtonText; }
fieldset { padding: 0.35em 0.75em 0.625em; }
legend { box-sizing: border-box; color: inherit; display: table; max-width: 100%; padding: 0; white-space: normal; }
progress { vertical-align: baseline; }
textarea { overflow: auto; }
[type="checkbox"], [type="radio"] { box-sizing: border-box; padding: 0; }
[type="number"]::-webkit-inner-spin-button, [type="number"]::-webkit-outer-spin-button { height: auto; }
[type="search"] { -webkit-appearance: textfield; outline-offset: -2px; }
[type="search"]::-webkit-search-decoration { -webkit-appearance: none; }
::-webkit-file-upload-button { -webkit-appearance: button; font: inherit; }
details { display: block; }
summary { display: list-item; }
template { display: none; }
[hidden] { display: none; }

/* CSS Variables: design-tokens */
:root {
    /* Colors - Professional Racing Theme */
    --color-primary: #0F4C75;
    --color-primary-light: #1B6CA8;
    --color-primary-dark: #083358;
    --color-secondary: #3282B8;
    --color-secondary-light: #4A9AD4;
    --color-secondary-dark: #1B5A89;
    --color-accent: #BBE1FA;
    --color-success: #2ECC71;
    --color-warning: #F39C12;
    --color-error: #E74C3C;
    --color-text: #1A1A1A;
    --color-text-light: #6C757D;
    --color-text-muted: #95A5A6;
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-bg-dark: #1C2833;
    --color-border: #DEE2E6;
    --color-overlay: rgba(0, 0, 0, 0.75);

    /* Typography - modular-scale (1.333 ratio) */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-heading: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.333rem;
    --font-size-xl: 1.777rem;
    --font-size-2xl: 2.369rem;
    --font-size-3xl: 3.157rem;
    --font-size-4xl: 4.209rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing - comfortable rhythm */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Container */
    --container-max-width: 75rem;
    --container-padding: 1.25rem;

    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-full: 9999px;
    --border-width: 1px;

    /* Shadows - Elevated & Professional */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
}

/* Base Styles - Mobile First */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Hierarchy - Modular Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }

p { margin-bottom: var(--space-md); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }

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

/* Layout - DOM Hierarchy: semantic-layers */
.main-content {
    min-height: 70vh;
}

/* Section (BEM naming) */
.section {
    padding: var(--space-3xl) 0;
}

.section--hero {
    padding: var(--space-4xl) 0 var(--space-3xl);
}

.section--dark {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1a2530 100%);
    color: #ffffff;
}

.section--accent {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
}

.section__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section__header {
    margin-bottom: var(--space-2xl);
}

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

.section__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
}

.section__description {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    max-width: 45rem;
    line-height: var(--line-height-relaxed);
}

.section--dark .section__title,
.section--accent .section__title {
    color: #ffffff;
}

.section--dark .section__description,
.section--accent .section__description {
    color: rgba(255, 255, 255, 0.85);
}

.section__header--center .section__description {
    margin-left: auto;
    margin-right: auto;
}

.section__actions {
    margin-top: var(--space-xl);
    text-align: center;
}

/* Utility Classes - Spacing & Layout */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.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); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.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); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

/* Navigation - top-sticky */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav--sticky {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-base);
}

.nav__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-md) var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.nav__brand {
    display: flex;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.nav__logo-img {
    width: 2.5rem;
    height: 2.5rem;
}

.nav__menu {
    display: none;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav__menu.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    background: #ffffff;
    padding: 5rem var(--space-xl) var(--space-xl);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    overflow-y: auto;
    gap: 0;
}

.nav__menu.active .nav__item {
    width: 100%;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.nav__menu.active .nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--font-size-lg);
}

.nav__menu.active .nav__button {
    margin: var(--space-lg) 0 0;
    width: 100%;
    text-align: center;
    display: block;
}

/* Nav close button */
.nav__close {
    display: none;
    position: fixed;
    top: 1.25rem;
    right: 1.25rem;
    z-index: 10000;
    background: rgba(0,0,0,0.07);
    border: none;
    border-radius: 50%;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text);
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.nav__close:hover {
    background: rgba(0,0,0,0.13);
}

.nav__menu.active ~ .nav__close,
.nav__close.visible {
    display: flex;
}

.nav__link {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link--login,
.nav__link--logout,
.nav__link--dashboard {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav__icon {
    width: 1.25rem;
    height: 1.25rem;
    stroke-width: 2;
}

.nav__button {
    margin-left: var(--space-sm);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__toggle-bar {
    width: 1.5rem;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* Buttons (BEM) - Professional & Interactive */
.button {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border-radius: var(--border-radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

.button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.button:hover::before {
    width: 300px;
    height: 300px;
}

.button--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(15, 76, 117, 0.4);
}

.button--secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.button--secondary:hover {
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button--outline {
    background: transparent;
    border-color: currentColor;
}

.button--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.button--large {
    padding: var(--space-md) var(--space-2xl);
    font-size: var(--font-size-md);
}

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

/* Hero Section (hero-first visual flow) - Premium Design */
.hero-unit {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.hero-unit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-unit__container {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-unit__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    color: #ffffff;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-unit__subtitle {
    font-size: var(--font-size-md);
    opacity: 0.95;
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
    max-width: 42rem;
}

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

/* Video Preview - Enhanced */
.video-preview {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-preview__thumbnail {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.video-preview__play-icon {
    cursor: pointer;
    transition: transform var(--transition-base);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    z-index: 2;
}

.video-preview__play-icon:hover {
    transform: scale(1.15);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
}

.video-preview__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1;
}

.video-preview__lock-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Metric Cards - Enhanced */
.metric-cards__grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.metric-card {
    background: #ffffff;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.metric-card:hover::before {
    transform: scaleX(1);
}

.metric-card__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    filter: grayscale(0.2);
}

.metric-card__number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.metric-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: var(--font-weight-medium);
}

/* Video Cards - Premium Design */
.content-showcase__grid, .video-grid__grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
    margin-top: var(--space-xl);
}

.video-card {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--color-border);
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary-light);
}

.video-card__thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-card__thumbnail::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.video-card:hover .video-card__thumbnail::after {
    opacity: 1;
}

.video-card__play {
    font-size: var(--font-size-2xl);
    color: #ffffff;
    z-index: 2;
    transition: transform var(--transition-base);
}

.video-card:hover .video-card__play {
    transform: scale(1.15);
}

/* Video overlay (play + lock centered) */
.video-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    background: rgba(0, 0, 0, 0.28);
    z-index: 2;
    transition: background 0.3s ease;
}

.video-card:hover .video-card__overlay {
    background: rgba(0, 0, 0, 0.48);
}

.video-card__play-btn {
    width: 3.75rem;
    height: 3.75rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: transform 0.25s ease, background 0.25s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.video-card:hover .video-card__play-btn {
    transform: scale(1.12);
    background: #ffffff;
}

.video-card__play-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-left: 0.2rem;
}

.video-card__lock-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    background: rgba(0, 0, 0, 0.72);
    color: #ffffff;
    padding: 0.375rem 0.875rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(6px);
    letter-spacing: 0.02em;
}

.video-card__duration, .video-card__lock {
    position: absolute;
    bottom: var(--space-sm);
    right: var(--space-sm);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(4px);
    color: #ffffff;
    padding: 0.375rem var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    z-index: 3;
}

.video-card__lock {
    font-size: var(--font-size-md);
}

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

.video-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.video-card:hover .video-card__title {
    color: var(--color-primary);
}

.video-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-normal);
}

.video-card__meta {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Pricing Cards - Premium & Interactive */
.plan-tiers__grid {
    display: grid;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.pricing-card {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-base);
    border: 2px solid var(--color-border);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--color-primary-light);
}

.pricing-card--featured {
    background: linear-gradient(135deg, #F8FBFF 0%, #ffffff 100%);
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-card--featured:hover {
    transform: scale(1.05) translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card__badge {
    position: absolute;
    top: -0.875rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    padding: 0.5rem var(--space-lg);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-md);
}

.pricing-card__name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text);
    text-align: center;
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
    margin: var(--space-lg) 0;
}

.pricing-card__currency {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-light);
}

.pricing-card__amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card__period {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
}

.pricing-card__features {
    list-style: none;
    margin: var(--space-xl) 0;
}

.pricing-card__feature {
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    position: relative;
    padding-left: var(--space-md);
}

.pricing-card__feature::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

.pricing-card__feature--disabled {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.pricing-card__feature--disabled::before {
    content: '✗';
    color: var(--color-text-muted);
}

/* Footer - Professional & Rich */
.footer {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #141E28 100%);
    color: #ffffff;
    padding: var(--space-4xl) 0 var(--space-xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.1) 50%, transparent 100%);
}

.footer__grid {
    display: grid;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-weight: var(--font-weight-bold);
}

.footer__description {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

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

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(15, 76, 117, 0.4);
}

.footer__heading {
    font-size: var(--font-size-md);
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-semibold);
    color: #ffffff;
}

.footer__links {
    list-style: none;
}

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

.footer__link {
    color: rgba(255, 255, 255, 0.75);
    transition: all var(--transition-fast);
    display: inline-block;
    position: relative;
}

.footer__link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.footer__link:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.footer__link:hover::before {
    width: 100%;
}

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

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* Forms - Professional & Accessible */
.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    letter-spacing: 0.025em;
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: 0.75rem var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    color: var(--color-text);
    background: #ffffff;
    transition: all var(--transition-base);
}

.form__input:hover,
.form__textarea:hover,
.form__select:hover {
    border-color: var(--color-primary-light);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 117, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__helper {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: var(--space-xs);
}

.form__error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--space-xs);
}

.form__input--error,
.form__textarea--error {
    border-color: var(--color-error);
}

.form__input--error:focus,
.form__textarea--error:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* Alert */
.alert {
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-lg);
}

.alert--success {
    background: #d4edda;
    color: #155724;
    border: var(--border-width) solid #c3e6cb;
}

.alert--error {
    background: #f8d7da;
    color: #721c24;
    border: var(--border-width) solid #f5c6cb;
}

/* CTA Section - Professional & Engaging */
.signup-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.signup-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.signup-cta__content {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.signup-cta__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    color: #ffffff;
}

.signup-cta__description {
    font-size: var(--font-size-md);
    opacity: 0.95;
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

.signup-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.signup-cta__note {
    font-size: var(--font-size-sm);
    opacity: 0.85;
    font-style: italic;
}

/* Contact Module - Modern & Accessible */
.contact-module__grid {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
}

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

.contact-info-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-light) 100%);
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.contact-info-card__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-sm);
}

.contact-info-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.contact-info-card__value {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.contact-module__cta {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #ffffff 100%);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.contact-module__text {
    font-size: var(--font-size-md);
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

/* Responsive - Mobile Behavior: stack-vertical */
@media (min-width: 48rem) {
    :root {
        --container-padding: var(--space-lg);
    }

    .nav__menu {
        display: flex;
        position: static;
        flex-direction: row;
        background: none;
        padding: 0;
        box-shadow: none;
    }

    .nav__toggle {
        display: none;
    }

    .hero-unit__container {
        grid-template-columns: 1fr 1fr;
    }

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

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

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

    .contact-module__grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-module__info {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 64rem) {
    .footer__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .section__title {
        font-size: var(--font-size-3xl);
    }
}

/* Animations - Professional & Smooth */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-2rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(2rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
    animation: slideInFromLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.6s ease-out;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles - Accessibility */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Selection Styling */
::selection {
    background: var(--color-primary);
    color: #ffffff;
}

::-moz-selection {
    background: var(--color-primary);
    color: #ffffff;
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

/* === Image Styles (added for generated images) === */

/* Instructor/Analyst portraits */
.instructor-card__image {
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.instructor-card__img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform 0.4s ease;
}

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

/* Video thumbnail images */
.video-card__thumbnail {
    position: relative;
}

.video-card__thumb-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Hero video preview with background image */
.video-preview__thumbnail {
    position: relative;
}

/* === Fix: disable stacking context on nav when mobile menu is open === */
/* backdrop-filter + z-index creates stacking context that clips fixed children */
body.nav-open .nav--sticky {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

body.nav-open .header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
/* === Container Width Fix (85-90%) === */

/* Hero container - add proper constraints */
.hero-unit__container {
    max-width: min(90%, 1200px);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Section container - ensure consistent width */
.section__container {
    max-width: min(88%, 1200px);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Ensure hero content doesn't stretch too wide */
.hero-unit__content {
    max-width: 540px;
}

/* Responsive adjustments */
@media (min-width: 48rem) {
    .hero-unit__container {
        max-width: min(90%, 1200px);
        padding: 0 var(--space-2xl);
    }
    
    .section__container {
        max-width: min(88%, 1200px);
        padding: 0 var(--space-2xl);
    }
}

@media (min-width: 64rem) {
    .hero-unit__container {
        max-width: min(85%, 1200px);
    }
    
    .section__container {
        max-width: min(85%, 1200px);
    }
}

/* Mobile: slightly wider for smaller screens */
@media (max-width: 47.9375rem) {
    .hero-unit__container {
        max-width: 92%;
        padding: 0 var(--space-lg);
    }
    
    .section__container {
        max-width: 92%;
        padding: 0 var(--space-lg);
    }
}

/* === Footer Container Fix === */
.footer__container {
    max-width: min(85%, 1200px);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer__column {
    min-width: 0; /* Prevent overflow */
}

.footer__contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.75);
}

.footer__icon {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Footer responsive */
@media (max-width: 47.9375rem) {
    .footer__container {
        max-width: 92%;
        padding: 0 var(--space-lg);
    }
}

@media (min-width: 48rem) {
    .footer__container {
        max-width: min(88%, 1200px);
        padding: 0 var(--space-2xl);
    }
}

@media (min-width: 64rem) {
    .footer__container {
        max-width: min(85%, 1200px);
    }
}

/* === Additional Container Fixes === */

/* Nav container */
.nav__container {
    max-width: min(85%, 1200px);
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
}

@media (max-width: 47.9375rem) {
    .nav__container {
        max-width: 92%;
        padding: var(--space-md) var(--space-lg);
    }
}

/* Pricing cards - prevent overflow */
.plan-tiers__grid {
    display: grid;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Contact module grid */
.contact-module__grid {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
    grid-template-columns: 1fr;
}

@media (min-width: 48rem) {
    .contact-module__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Ensure all grids respect container */
.metric-cards__grid,
.content-showcase__grid,
.video-grid__grid {
    width: 100%;
}

/* === Auth Container Fix === */
.auth-section__container {
    max-width: min(90%, 480px);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

@media (max-width: 47.9375rem) {
    .auth-section__container {
        max-width: 94%;
        padding: 0 var(--space-lg);
    }
}

/* === FAQ Accordion Styles === */
.faq-accordion__container {
    max-width: 100%;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.faq-item__question {
    width: 100%;
    padding: var(--space-lg);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

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

.faq-item__icon {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    transition: transform var(--transition-base);
}

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

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

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

.faq-item__answer p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
}

/* === Instructor Cards === */
.instructor-cards__grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    width: 100%;
}

.instructor-card {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.instructor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

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

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

.instructor-card__title {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
}

.instructor-card__bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-md);
}

.instructor-card__stats {
    display: flex;
    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 {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

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

/* === CTA Section === */
.cta-section__content {
    text-align: center;
    max-width: 100%;
}

.cta-section__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    color: #ffffff;
}

.cta-section__description {
    font-size: var(--font-size-md);
    opacity: 0.95;
    margin-bottom: var(--space-xl);
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

/* === Filter Tabs === */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: var(--space-sm);
    background: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
}

.filter-tabs__btn {
    padding: var(--space-sm) var(--space-lg);
    border: none;
    background: transparent;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filter-tabs__btn:hover {
    background: rgba(255, 255, 255, 0.8);
    color: var(--color-primary);
}

.filter-tabs__btn--active {
    background: #ffffff;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* === Dashboard Styles === */
.dashboard__header {
    margin-bottom: var(--space-2xl);
}

.dashboard__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-xs);
}

.dashboard__subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-md);
}

.dashboard__stats {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-light) 100%);
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.stat-card__icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-sm);
}

.stat-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.dashboard__section {
    margin-bottom: var(--space-2xl);
}

.dashboard__section-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

/* Action Cards */
.action-cards {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.action-card {
    background: #ffffff;
    padding: var(--space-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all var(--transition-base);
}

.action-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.action-card__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.action-card__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.action-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Activity List */
.activity-list {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

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

.activity-item:hover {
    background: var(--color-bg-light);
}

.activity-item__icon {
    font-size: var(--font-size-lg);
}

.activity-item__title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.activity-item__meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Account Info */
.account-info {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-lg);
}

.account-info__item {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.account-info__item:last-child {
    border-bottom: none;
}

.account-info__label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    min-width: 80px;
}

.account-info__value {
    color: var(--color-text);
}

.account-info__link {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

/* === Instructor Cards - Premium Design === */
.instructor-cards__grid {
    display: grid;
    gap: var(--space-xl);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    width: 100%;
}

.instructor-card {
    background: #ffffff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border);
    position: relative;
}

.instructor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.instructor-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(15, 76, 117, 0.15);
    border-color: var(--color-primary-light);
}

.instructor-card:hover::before {
    transform: scaleX(1);
}

.instructor-card__image {
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    position: relative;
}

.instructor-card__image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.instructor-card:hover .instructor-card__image::after {
    opacity: 1;
}

.instructor-card__img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.instructor-card:hover .instructor-card__img {
    transform: scale(1.08);
}

.instructor-card__content {
    padding: var(--space-xl);
    position: relative;
}

.instructor-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xs);
    color: var(--color-text);
    transition: color 0.3s ease;
}

.instructor-card:hover .instructor-card__name {
    color: var(--color-primary);
}

.instructor-card__title {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-md);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.instructor-card__title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
}

.instructor-card__bio {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-lg);
}

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

.instructor-card__stat {
    text-align: center;
    flex: 1;
}

.instructor-card__stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.instructor-card__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === Legal Pages === */
.legal-content {
    background: #ffffff;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    max-width: 100%;
}

.legal-content h2 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary-light);
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content p {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-md);
}

.legal-content ul {
    margin-left: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.legal-content li {
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-sm);
}

/* === CTA Box === */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: #ffffff;
    margin-top: var(--space-2xl);
}

.cta-box__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: #ffffff;
}

.cta-box__text {
    font-size: var(--font-size-md);
    opacity: 0.95;
    margin-bottom: var(--space-lg);
}

/* === Cookie Settings Page === */
.cookie-settings__content {
    background: #ffffff;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.cookie-info {
    background: var(--color-bg-light);
    padding: var(--space-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-xl);
}

.cookie-info ul {
    margin: var(--space-md) 0 0 var(--space-xl);
}

.cookie-info li {
    color: var(--color-text-light);
    margin-bottom: var(--space-sm);
}

.cookie-info--note {
    background: linear-gradient(135deg, rgba(15, 76, 117, 0.05) 0%, rgba(50, 130, 184, 0.05) 100%);
    border-left: 4px solid var(--color-primary);
}

.cookie-category {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.cookie-category:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.cookie-category__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-light) 100%);
    gap: var(--space-lg);
}

.cookie-category__info {
    flex: 1;
}

.cookie-category__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.cookie-category__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    margin: 0;
}

.cookie-category__details {
    padding: var(--space-lg);
    background: #ffffff;
    border-top: 1px solid var(--color-border);
}

.cookie-category__details p {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.cookie-category__details ul {
    margin: 0 0 0 var(--space-lg);
    padding: 0;
}

.cookie-category__details li {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

/* Cookie Toggle Switch */
.cookie-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    flex-shrink: 0;
}

.cookie-toggle--disabled {
    cursor: default;
    opacity: 0.8;
}

.cookie-toggle input {
    display: none;
}

.cookie-toggle__label {
    font-size: var(--font-size-xs);
    color: var(--color-success);
    font-weight: var(--font-weight-medium);
}

.cookie-toggle__switch {
    width: 52px;
    height: 28px;
    background: var(--color-border);
    border-radius: 14px;
    position: relative;
    transition: background var(--transition-base);
}

.cookie-toggle__switch--on {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.cookie-toggle__slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #ffffff;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.cookie-toggle__switch--on .cookie-toggle__slider {
    transform: translateX(24px);
}

/* Cookie Actions */
.cookie-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    justify-content: center;
}

@media (max-width: 47.9375rem) {
    .cookie-category__header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-actions {
        flex-direction: column;
    }
    
    .cookie-actions .button {
        width: 100%;
    }
}

/* === Mobile Menu Animation Fix === */
.nav__menu {
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav__menu.active {
    animation: menuSlideIn 0.25s ease-out forwards;
}

@keyframes menuSlideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav__menu.active .nav__item {
    animation: menuItemFadeIn 0.15s ease-out forwards;
    opacity: 0;
}

.nav__menu.active .nav__item:nth-child(1) { animation-delay: 0.05s; }
.nav__menu.active .nav__item:nth-child(2) { animation-delay: 0.08s; }
.nav__menu.active .nav__item:nth-child(3) { animation-delay: 0.11s; }
.nav__menu.active .nav__item:nth-child(4) { animation-delay: 0.14s; }
.nav__menu.active .nav__item:nth-child(5) { animation-delay: 0.17s; }
.nav__menu.active .nav__item:nth-child(6) { animation-delay: 0.20s; }

@keyframes menuItemFadeIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Close button animation */
.nav__close {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.nav__close.visible {
    opacity: 1;
    transform: scale(1);
}