@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=Nunito:wght@400;500;600;700&display=swap');

:root {
    --accent-color: #1d73e8;
    --accent-contrast: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --surface: #ffffff;
    --surface-muted: #f4f7fb;
    --surface-alt: #eaf0f8;
    --border: #e2e8f0;
    --shadow-sm: 0 8px 18px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 16px 32px rgba(15, 23, 42, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 24px;
    --spacing-6: 32px;
    --spacing-7: 48px;
    --spacing-8: 64px;
    --font-heading: "Sora", "Trebuchet MS", sans-serif;
    --font-body: "Manrope", "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--surface);
    line-height: 1.6;
}

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

a:focus,
button:focus,
input:focus,
select:focus {
    outline: 3px solid rgba(42, 109, 244, 0.35);
    outline-offset: 2px;
}

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

.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}

.section {
    padding: var(--spacing-8) 0;
}

.section-muted {
    background: linear-gradient(180deg, #f6f9ff 0%, #f2f5fb 100%);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-3);
}

.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 50;
}

.site-header.is-sticky {
    box-shadow: var(--shadow-sm);
}

.promo-bar {
    background: #0b1221;
    color: #e2e8f0;
    font-size: 0.9rem;
}

.promo-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
}

.promo-link {
    color: #fff;
    font-weight: 600;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: var(--spacing-3);
    background: var(--accent-color);
    color: var(--accent-contrast);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-md);
    z-index: 999;
}

.skip-link:focus {
    left: var(--spacing-4);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4) 0;
}

.brand {
    flex: 0 0 auto;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.site-title {
    display: inline-block;
}

.primary-nav {
    flex: 1 1 auto;
    display: none;
}

.primary-menu {
    display: flex;
    gap: var(--spacing-4);
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-menu a {
    font-weight: 600;
    color: var(--text-secondary);
}

.primary-menu a:hover {
    color: var(--text-primary);
}

.primary-menu li {
    position: relative;
}

.primary-menu .sub-menu {
    position: absolute;
    left: 0;
    top: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    list-style: none;
    margin: var(--spacing-2) 0 0;
    padding: var(--spacing-2);
    min-width: 220px;
    display: none;
    z-index: 20;
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
    display: grid;
    gap: 6px;
}

.primary-menu .sub-menu a {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
}

.primary-menu .sub-menu a:hover {
    background: var(--surface-muted);
}

.header-actions {
    display: none;
    align-items: center;
    gap: var(--spacing-4);
}

.search-form {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
    background: var(--surface-muted);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2);
}

.search-form input {
    border: none;
    background: transparent;
    min-width: 220px;
    font-size: 0.95rem;
    transition: box-shadow 0.2s ease;
}

.search-form .btn {
    padding: 8px 16px;
}

.header-cta {
    display: flex;
    gap: var(--spacing-2);
}

.account-menu {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.account-trigger {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: 600;
    color: var(--text-secondary);
}

.account-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    min-width: 180px;
    display: none;
    flex-direction: column;
    padding: var(--spacing-2);
    z-index: 20;
}

.account-dropdown a {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
}

.account-dropdown a:hover {
    background: var(--surface-muted);
}

.account-menu:focus-within .account-dropdown,
.account-menu:hover .account-dropdown {
    display: flex;
}

.icon-button {
    border: none;
    background: var(--surface-muted);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.menu-icon,
.search-icon {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
}

.menu-icon::before {
    top: -6px;
}

.menu-icon::after {
    top: 6px;
}

.search-icon::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
    top: -7px;
    left: -1px;
}

.search-icon::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 2px;
    background: var(--text-primary);
    transform: rotate(45deg);
    right: -5px;
    bottom: -5px;
}

.nav-open .primary-nav,
.search-open .header-actions {
    display: block;
}

.site-main {
    min-height: 60vh;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 12px 22px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

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

.btn-secondary {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-primary);
}

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

.btn-block {
    width: 100%;
}

.btn-icon {
    border-radius: var(--radius-lg);
}

.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-6);
}

.sticky {
    border: 2px solid var(--accent-color);
}

.post-title {
    font-family: var(--font-heading);
    margin-top: 0;
}

.post-meta {
    display: flex;
    gap: var(--spacing-3);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
}

.post-content {
    color: var(--text-secondary);
}

.post-nav {
    margin-top: var(--spacing-5);
}

.author-box {
    margin-top: var(--spacing-5);
}

.layout {
    display: grid;
    gap: var(--spacing-6);
}

.content {
    min-width: 0;
}

.sidebar {
    display: none;
}

.sidebar .widget {
    background: var(--surface);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: var(--spacing-3);
}

.sidebar .widget + .widget {
    margin-top: var(--spacing-4);
}

.widget-title {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.05rem;
}

.sidebar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-2);
    color: var(--text-secondary);
}

.sidebar a {
    color: inherit;
}

.sidebar a:hover {
    color: var(--text-primary);
}

.hero {
    background: linear-gradient(135deg, #f7f9ff 0%, #eef3ff 100%);
    padding: var(--spacing-8) 0 var(--spacing-7);
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(42, 109, 244, 0.25), rgba(42, 109, 244, 0));
    z-index: 0;
}

.hero::before {
    top: -120px;
    right: -60px;
}

.hero::after {
    bottom: -160px;
    left: -80px;
}

.hero-inner {
    display: grid;
    gap: var(--spacing-6);
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    margin: 0 0 var(--spacing-4);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-5);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.hero-card {
    display: grid;
    gap: var(--spacing-4);
}

.hero-visual {
    display: grid;
    gap: var(--spacing-4);
}

.hero-image-card {
    background: linear-gradient(140deg, #0a1324, #1b365c);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    display: grid;
    gap: var(--spacing-3);
    position: relative;
    overflow: hidden;
}

.hero-image-card::after {
    content: "";
    position: absolute;
    width: 140px;
    height: 140px;
    right: -30px;
    top: -30px;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(29, 115, 232, 0.9), rgba(56, 189, 248, 0.25));
    opacity: 0.8;
}

.hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
}

.hero-image-card h3 {
    font-family: var(--font-heading);
    margin: 0;
    font-size: 1.4rem;
}

.hero-image-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
}

.hero-price {
    font-weight: 700;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.12);
    width: fit-content;
    padding: 6px 12px;
    border-radius: 999px;
}

.hero-stats {
    display: grid;
    gap: var(--spacing-4);
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-5);
}

.section-header h2 {
    font-family: var(--font-heading);
    margin: 0;
}

.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-top: var(--spacing-2);
}

.pill {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
}

.pill.is-active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--accent-contrast);
}

.category-grid {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: 1fr;
}

.category-card {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: var(--spacing-4);
    font-weight: 600;
    background: var(--surface);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.course-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
}

.course-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.course-card:hover .course-media img {
    transform: scale(1.03);
}

.course-media {
    position: relative;
}

.course-media img,
.course-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    aspect-ratio: 16 / 9;
    transition: transform 0.3s ease;
}

.course-thumb.placeholder {
    background: linear-gradient(120deg, #dfe7ff, #f9f9ff);
}

.price-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--accent-color);
    color: var(--accent-contrast);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 8px 16px rgba(29, 115, 232, 0.25);
}

.course-badge {
    position: absolute;
    top: var(--spacing-4);
    left: var(--spacing-4);
    background: #0f172a;
    color: #fff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.course-content {
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    flex: 1 1 auto;
}

.course-category {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.course-title {
    font-family: var(--font-heading);
    margin: 0;
    font-size: 1.1rem;
}

.course-instructor {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stars {
    position: relative;
    display: inline-block;
    width: 80px;
    height: 14px;
    background: linear-gradient(90deg, #facc15 0%, #facc15 100%);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 24'%3E%3Cpath fill='black' d='M12 0l3.09 6.26L22 7.27l-5 4.86L18.18 20 12 16.9 5.82 20 7 12.13 2 7.27l6.91-1.01zM60 0l3.09 6.26L70 7.27l-5 4.86L66.18 20 60 16.9 53.82 20 55 12.13 50 7.27l6.91-1.01zM108 0l3.09 6.26L118 7.27l-5 4.86L114.18 20 108 16.9 101.82 20 103 12.13 98 7.27l6.91-1.01z'%3E%3C/path%3E%3C/svg%3E");
    mask-size: cover;
    background-color: #e2e8f0;
}

.stars-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: #facc15;
}

.rating-number {
    margin-left: var(--spacing-2);
    font-weight: 600;
    color: var(--text-primary);
}

.filters {
    margin: var(--spacing-5) 0 var(--spacing-6);
}

.filters-form {
    display: grid;
    gap: var(--spacing-3);
}

.filters-form input,
.filters-form select {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filters-form input:focus,
.filters-form select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(42, 109, 244, 0.12);
}

.page-header h1 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-2);
}

.notice {
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    background: var(--surface-alt);
    color: var(--text-secondary);
}

.skeleton {
    background: linear-gradient(90deg, #eef1f7, #f6f7fb, #eef1f7);
    background-size: 200% 100%;
    animation: skeleton 1.2s ease-in-out infinite;
}

@keyframes skeleton {
    0% { background-position: 0% 0; }
    100% { background-position: -200% 0; }
}

.course-hero {
    background: var(--surface-muted);
    padding: var(--spacing-7) 0;
}

.course-hero-inner {
    display: grid;
    gap: var(--spacing-6);
    align-items: start;
}

.course-hero-content h1 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-3);
}

.course-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
}

.course-hero-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-md);
}

.course-preview {
    display: grid;
    gap: var(--spacing-4);
}

.course-detail {
    display: grid;
    gap: var(--spacing-6);
}

.course-layout {
    display: grid;
    gap: var(--spacing-6);
}

.course-sidebar {
    display: grid;
    gap: var(--spacing-5);
}

.detail-list,
.lesson-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-2);
    color: var(--text-secondary);
}

.lesson-list a {
    color: var(--text-primary);
}

.lesson-list .is-current a {
    font-weight: 700;
}

.review-summary {
    display: grid;
    gap: var(--spacing-4);
}

.review-bars {
    display: grid;
    gap: 8px;
}

.review-bars div {
    display: grid;
    grid-template-columns: 24px 1fr;
    align-items: center;
    gap: var(--spacing-2);
}

.review-bars .bar {
    background: var(--surface-alt);
    border-radius: 999px;
    height: 8px;
    position: relative;
    overflow: hidden;
}

.review-bars .bar span {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--accent-color);
}

.detail-section h2 {
    font-family: var(--font-heading);
}

.checklist,
.curriculum-list {
    padding-left: 1.2rem;
    color: var(--text-secondary);
}

.instructor-box {
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
}

.lesson-layout {
    display: grid;
    gap: var(--spacing-6);
}

.lesson-sidebar {
    position: relative;
}

.curriculum-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    max-height: 900px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.curriculum-panel ul {
    margin: 0;
    padding-left: 1rem;
    color: var(--text-secondary);
}

.curriculum-panel.is-open {
    max-height: 900px;
    opacity: 1;
}

.course-preview {
    display: grid;
    gap: var(--spacing-4);
    position: sticky;
    top: 110px;
}

.course-highlights {
    display: grid;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.highlight-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: var(--surface-muted);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
}

.highlight-item span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.is-open {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
}

.modal-content {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: min(960px, 92%);
    padding: var(--spacing-5);
    z-index: 2;
    animation: modalIn 0.25s ease;
}

.modal-close {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    border: none;
    background: var(--surface-alt);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
}

.video-embed {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0f172a;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-embed.placeholder {
    display: grid;
    place-items: center;
    color: #fff;
    padding: var(--spacing-6);
}

@keyframes modalIn {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.course-grid.is-loading .course-card {
    position: relative;
    color: transparent;
}

.course-grid.is-loading .course-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #eef1f7, #f6f7fb, #eef1f7);
    background-size: 200% 100%;
    animation: skeleton 1.2s ease-in-out infinite;
}

#course-results.is-loading {
    position: relative;
    min-height: 200px;
}

#course-results.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.6);
}

.lesson-content h1 {
    font-family: var(--font-heading);
}

.lesson-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-6);
}

.related-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
}

.dashboard-layout {
    display: grid;
    gap: var(--spacing-6);
}

.dashboard-card {
    margin-bottom: var(--spacing-5);
}

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

.profile-avatar img {
    border-radius: 50%;
}

.progress {
    height: 8px;
    background: var(--surface-alt);
    border-radius: 999px;
    overflow: hidden;
    margin-top: var(--spacing-3);
}

.progress span {
    display: block;
    height: 100%;
    background: var(--accent-color);
}

.section-cta {
    background: linear-gradient(120deg, #0b1221, #1b2a4a);
    color: #fff;
}

.cta-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
}

.pricing-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
}

.blog-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: 1fr;
}

.blog-card .course-content {
    gap: var(--spacing-3);
}

.blog-date {
    position: absolute;
    left: var(--spacing-4);
    bottom: var(--spacing-4);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 6px 10px;
    font-weight: 700;
    font-size: 0.8rem;
    box-shadow: var(--shadow-sm);
}

.pricing-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: var(--spacing-6);
    display: grid;
    gap: var(--spacing-3);
    position: relative;
}

.pricing-card .price {
    font-size: 2rem;
    margin: 0;
    font-family: var(--font-heading);
}

.pricing-card.featured {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
}

.pricing-card .badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--accent-color);
    color: var(--accent-contrast);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.comments {
    margin-top: var(--spacing-6);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-4) 0;
    display: grid;
    gap: var(--spacing-4);
}

.comment-list li {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
}

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
}

.site-footer {
    background: #0b1221;
    color: #dbe4ff;
    padding: var(--spacing-7) 0 var(--spacing-4);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-5);
}

.footer-col h4 {
    margin-top: 0;
}

.footer-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-2);
}

.footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-2);
}

.footer-newsletter {
    display: grid;
    gap: var(--spacing-2);
    margin-top: var(--spacing-3);
}

.footer-newsletter input {
    border: none;
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-4);
    font-size: 0.85rem;
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (min-width: 480px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .header-actions {
        display: flex;
    }

    .primary-nav {
        display: block;
    }

    .menu-toggle,
    .search-toggle {
        display: none;
    }

    .layout {
        grid-template-columns: 2fr 1fr;
    }

    .sidebar {
        display: block;
    }

    .hero-inner {
        grid-template-columns: 1.3fr 0.7fr;
        align-items: center;
    }

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

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

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

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

    .filters-form {
        grid-template-columns: 1.4fr 1fr 1fr auto;
        align-items: center;
    }

    .course-hero-inner {
        grid-template-columns: 1.4fr 0.6fr;
    }

    .lesson-layout {
        grid-template-columns: 280px 1fr;
        align-items: start;
    }

    .dashboard-layout {
        grid-template-columns: 2fr 1fr;
        align-items: start;
    }

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

    .cta-card {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

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

@media (min-width: 1024px) {
    .course-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .hero-inner {
        grid-template-columns: 1.2fr 0.8fr;
    }

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

    .course-layout {
        grid-template-columns: 2fr 1fr;
        align-items: start;
    }

    .curriculum-panel {
        position: sticky;
        top: 110px;
    }

    .course-sidebar {
        position: sticky;
        top: 110px;
        align-self: start;
    }

    .course-preview {
        position: sticky;
        top: 110px;
    }

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

@media (min-width: 1280px) {
    .container {
        width: min(1280px, 92%);
    }

    .post-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .nav-open .primary-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        padding: var(--spacing-4);
        border-bottom: 1px solid var(--border);
    }

    .nav-open .primary-menu {
        flex-direction: column;
        gap: var(--spacing-3);
    }

    .nav-open .primary-menu .sub-menu {
        position: static;
        display: grid;
        box-shadow: none;
        border: none;
        padding: 0 0 0 var(--spacing-4);
        margin: 0;
    }

    .search-open .header-actions {
        width: 100%;
        padding: var(--spacing-4) 0;
    }

    .header-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .search-form {
        width: 100%;
    }

    .curriculum-panel {
        max-height: 0;
        opacity: 0;
        padding: 0 var(--spacing-4);
    }

    .curriculum-panel.is-open {
        max-height: 900px;
        opacity: 1;
        padding: var(--spacing-4);
        margin-top: var(--spacing-3);
    }
}

.wishlist-btn {
    position: absolute;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    border: none;
    background: rgba(255, 255, 255, 0.9);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: #ef4444;
}

.wishlist-btn.is-active {
    background: #fee2e2;
}

.btn.js-wishlist.is-active {
    border-color: #ef4444;
    color: #ef4444;
}

.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    margin-top: auto;
    padding-top: var(--spacing-3);
}

.course-price {
    font-weight: 700;
    color: var(--text-primary);
}

.course-card-footer .btn {
    padding: 10px 18px;
    font-size: 0.95rem;
}

.instructor-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comment-body {
    display: grid;
    gap: var(--spacing-3);
}

.comment-meta {
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.comment-rating {
    font-weight: 600;
}

.comment-form-rating select {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.not-found {
    text-align: center;
    display: grid;
    gap: var(--spacing-4);
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.faq-list {
    display: grid;
    gap: var(--spacing-3);
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    background: var(--surface);
}

.faq-item summary {
    cursor: pointer;
    font-weight: 600;
}

.faq-answer {
    margin-top: var(--spacing-2);
    color: var(--text-secondary);
}

:root {
    --accent-color: #ff4b5c;
    --accent-contrast: #ffffff;
    --text-primary: #1f2a44;
    --text-secondary: #5b6476;
    --surface: #ffffff;
    --surface-muted: #f5f7fb;
    --surface-alt: #eef2f7;
    --border: #e2e6ee;
    --shadow-sm: 0 10px 24px rgba(31, 42, 68, 0.08);
    --shadow-md: 0 20px 40px rgba(31, 42, 68, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --font-heading: "Outfit", "Trebuchet MS", sans-serif;
    --font-body: "Nunito", "Segoe UI", sans-serif;
}

body {
    background: #ffffff;
}

.top-bar {
    background: #f6f8fc;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: 10px 0;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.language-toggle {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-secondary);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.85rem;
}

.top-bar-menu {
    gap: var(--spacing-4);
    font-size: 0.9rem;
}

.top-bar .primary-menu a {
    color: var(--text-secondary);
    font-weight: 600;
}

.top-bar .primary-menu a:hover {
    color: var(--text-primary);
}

.top-bar-social {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
}

.header-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-4) 0;
    background: #ffffff;
}

.category-toggle {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
    padding: 10px 16px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.category-icon {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    background: var(--accent-color);
    position: relative;
}

.category-icon::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 2px;
    background: #fff;
    opacity: 0.9;
}

.header-search {
    flex: 1 1 auto;
    min-width: 220px;
}

.search-form {
    background: #ffffff;
    border-radius: 14px;
    padding: 6px;
    gap: var(--spacing-2);
    border: 1px solid #e6e9ef;
    box-shadow: 0 8px 18px rgba(31, 42, 68, 0.06);
}

.search-form input {
    min-width: 260px;
    padding: 8px 12px;
    color: var(--text-primary);
}

.search-form .btn {
    background: #2f6179;
    color: #fff;
    border-radius: 10px;
    padding: 10px 20px;
}

.header-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.header-links a {
    color: inherit;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.icon-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--text-primary);
    font-size: 1rem;
}

.category-bar {
    background: #1f2a44;
    color: #e2e8f0;
}

.category-bar-inner {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: 12px 0;
    overflow-x: auto;
}

.category-pill {
    color: #e2e8f0;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.category-pill::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
}

.hero.hero-split {
    padding: 0;
    background: #fff;
}

.hero-split-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
    gap: 0;
}

.hero-panel {
    background: var(--accent-color);
    color: #fff;
    padding: clamp(32px, 6vw, 72px);
    position: relative;
    clip-path: polygon(0 0, 92% 0, 100% 50%, 92% 100%, 0 100%);
    background-size: cover;
    background-position: center;
}

.hero-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0));
    opacity: 0.2;
    pointer-events: none;
}

.hero-panel > * {
    position: relative;
    z-index: 1;
}

.hero-kicker {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.75rem;
    margin-bottom: var(--spacing-3);
}

.hero-panel h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0 0 var(--spacing-4);
}

.hero-panel .hero-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-5);
}

.hero-panel .btn-secondary {
    background: #fff;
    color: var(--accent-color);
}

.hero-media {
    min-height: 320px;
    background: #f0f2f6;
    overflow: hidden;
}

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

.media-placeholder {
    width: 100%;
    height: 100%;
    min-height: 260px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #e5ebf5, #f7f9fc);
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
    padding: var(--spacing-5);
}

.section-muted {
    background: #f5f7fb;
}

.feature-split {
    background: #f2f6fb;
}

.feature-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--spacing-7);
    align-items: center;
}

.feature-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-top: 0;
}

.feature-content p {
    color: var(--text-secondary);
    max-width: 520px;
}

.feature-media img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.cta-dual {
    background: #fff;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-5);
}

.cta-card-split {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: var(--spacing-4);
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.cta-card-split h3 {
    margin-top: 0;
    font-family: var(--font-heading);
}

.cta-card-split p {
    color: var(--text-secondary);
}

.cta-media img {
    width: 100%;
    height: auto;
}

.section-header.center {
    align-items: center;
    text-align: center;
}

.section-header.center::after {
    content: "";
    width: 54px;
    height: 2px;
    background: #f4b540;
    margin-top: var(--spacing-2);
}

.front-blog {
    background: #fff;
}

.blog-grid-compact {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.blog-card-compact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.blog-media {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.blog-meta {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: var(--spacing-3);
    align-items: start;
}

.blog-date-badge {
    border: 1px solid #f4b540;
    color: #f4b540;
    border-radius: 8px;
    text-align: center;
    padding: 8px 0;
    font-weight: 700;
    display: grid;
    gap: 2px;
}

.blog-date-badge span {
    font-size: 1.1rem;
}

.blog-date-badge small {
    font-size: 0.65rem;
    text-transform: uppercase;
}

.blog-content h3 {
    margin: 0 0 var(--spacing-2);
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.blog-content p {
    margin: 0 0 var(--spacing-3);
    color: var(--text-secondary);
}

.blog-info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.blog-info span {
    color: #1f6feb;
}

.post-grid {
    display: grid;
    gap: var(--spacing-5);
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.post-card {
    background: #fff;
    border: 1px solid #e6e9ef;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.post-media img,
.post-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.post-body {
    padding: var(--spacing-4);
    display: grid;
    gap: var(--spacing-2);
}

.post-meta-line {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.post-pill {
    background: rgba(47, 97, 121, 0.12);
    color: #2f6179;
    padding: 4px 8px;
    border-radius: 999px;
    font-weight: 600;
}

.post-title {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.05rem;
}

.post-excerpt {
    color: var(--text-secondary);
    margin: 0;
}

.btn-small {
    padding: 8px 14px;
    font-size: 0.85rem;
}

.course-card {
    box-shadow: none;
    border: 1px solid #e6e9ef;
    border-radius: 12px;
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.course-media img,
.course-thumb {
    height: 170px;
}

.course-content {
    padding: 18px;
    gap: 10px;
}

.course-category {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.course-title {
    font-size: 1rem;
}

.course-meta {
    font-size: 0.8rem;
    color: #7b8496;
}

.course-card-footer {
    padding-top: 10px;
}

@media (max-width: 1023px) {
    .header-links {
        display: none;
    }

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

    .hero-panel {
        clip-path: none;
    }

    .feature-inner {
        grid-template-columns: 1fr;
    }

    .cta-grid {
        grid-template-columns: 1fr;
    }

    .blog-grid-compact {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .post-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .blog-grid-compact {
        grid-template-columns: 1fr;
    }

    .post-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .top-bar {
        position: relative;
    }

    .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .top-bar-right {
        width: 100%;
        justify-content: flex-end;
    }

    .top-bar-menu,
    .top-bar-social {
        display: none;
    }

    .nav-open .top-bar-menu {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-3);
    }

    .nav-open .top-bar-right .primary-nav {
        display: block;
        width: 100%;
    }

    .nav-open .top-bar-right .primary-menu {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: var(--spacing-3);
        box-shadow: var(--shadow-sm);
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        z-index: 120;
    }

    .header-main {
        flex-direction: row;
        align-items: center;
        flex-wrap: nowrap;
        gap: var(--spacing-2);
    }

    .category-toggle {
        display: none;
    }

    .header-search {
        min-width: 0;
        flex: 1 1 auto;
    }

    .search-form {
        padding: 4px;
        gap: 4px;
        border-radius: 999px;
        box-shadow: none;
        border: 1px solid #e6e9ef;
        background: #fff;
    }

    .search-form input {
        min-width: 0;
        width: 100%;
        font-size: 0.85rem;
        padding: 8px 10px;
        background: transparent;
    }

    .search-form .btn {
        padding: 0;
        font-size: 0;
        border-radius: 50%;
        width: 36px;
        height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: #2f6179;
    }

    .search-form .btn::before {
        content: "";
        width: 14px;
        height: 14px;
        border: 2px solid #fff;
        border-radius: 50%;
        position: relative;
        display: block;
    }

    .search-form .btn::after {
        content: "";
        width: 8px;
        height: 2px;
        background: #fff;
        position: absolute;
        transform: translate(6px, 6px) rotate(45deg);
    }

    .header-actions {
        justify-content: flex-end;
        gap: 6px;
    }

    .icon-link {
        width: 32px;
        height: 32px;
        font-size: 0.95rem;
    }

    .account-trigger span:last-child {
        display: none;
    }

    .cta-card-split {
        grid-template-columns: 1fr;
        text-align: left;
    }
}