/* =========================================================
       Theme Variables
       ========================================================= */
:root {
    --bg: #0a0c10;
    --panel: #12141a;
    --panel-2: #0e121a;
    --panel-3: #0c1016;
    --line: #1b202b;
    --line-2: #202637;
    --text: #e9f1fa;
    --muted: #98a2b3;
    --muted-2: #9aa5b4;
    --brand: #2196f3;
    --brand-2: #42a5f5;
    --brand-dark: #1976d2;
    --chip: #1a1d25;
    --chip-border: #2a2d38;
    --success: #21c17a;
    --warning: #ffca28;
    --danger: #e53935;
    --pink: #f472b6;
    --orange: #fb923c;
    --purple: #a78bfa;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.35);
    --shadow-soft: 0 6px 16px rgba(0, 0, 0, 0.25);
    --grad: linear-gradient(135deg, #2b89ff, #1b6fe0);
    --grad-soft: radial-gradient(
            70% 70% at 30% 20%,
            rgba(66, 165, 245, 0.35),
            transparent 60%
        ),
        radial-gradient(
            70% 70% at 80% 0%,
            rgba(167, 139, 250, 0.25),
            transparent 60%
        );
}

/* =========================================================
       Base
       ========================================================= */
html,
body {
    font-family: "Noto Sans Thai", system-ui, -apple-system, "Segoe UI", Roboto,
        Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
.display-1,
.display-2,
.navbar-brand {
    font-family: "Bebas Neue", "Noto Sans Thai", sans-serif;
    letter-spacing: 0.5px;
}

.container-xxl {
    max-width: 1280px;
}

/* =========================================================
       Reveal on scroll (Animation)
       ========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    transition: 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.show {
    opacity: 1;
    transform: none;
}

.tilt:hover {
    transform: translateY(-4px) rotateX(1deg) rotateY(-1deg);
}

.soft-glow {
    box-shadow: 0 12px 40px rgba(33, 150, 243, 0.18);
}

/* =========================================================
       Navbar
       ========================================================= */
.l2c-navbar {
    background: rgba(14, 18, 27, 0.65);
    backdrop-filter: blur(12px) saturate(120%);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
    transition: background 0.2s ease, box-shadow 0.2s ease,
        border-color 0.2s ease;
}

.l2c-navbar .navbar-brand {
    font-family: "Bebas Neue", system-ui;
    letter-spacing: 0.8px;
    font-size: 28px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.l2c-navbar .navbar-brand .accent {
    background: linear-gradient(90deg, #7cc5ff, #6ef2ff, #8cf8c4);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(124, 197, 255, 0.35);
}

.l2c-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.35);
    padding: 0.45rem 0.6rem;
    border-radius: 10px;
}

.l2c-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='white' stroke-width='3' stroke-linecap='round' d='M4 8h24M4 16h24M4 24h24'/%3E%3C/svg%3E");
}

@media (max-width: 991.98px) {
    .l2c-navbar .navbar-collapse {
        background: rgba(14, 18, 27, 0.75);
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 0.6rem;
        margin-top: 0.5rem;
    }
}

.l2c-navbar .nav-link {
    color: #cfe2ff;
    opacity: 0.9;
    padding: 0.5rem 0.75rem;
    margin: 0 0.1rem;
    border-radius: 10px;
    position: relative;
    transition: color 0.15s ease, background 0.15s ease;
}

.l2c-navbar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.l2c-navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 6px;
    height: 2px;
    background: linear-gradient(90deg, #7cc5ff, #6ef2ff, #8cf8c4);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.l2c-navbar .nav-link:hover::after,
.l2c-navbar .nav-link.active::after {
    transform: scaleX(1);
}

.l2c-navbar .btn-cta {
    background: var(--grad);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    padding: 0.5rem 0.95rem;
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(43, 137, 255, 0.25);
}

.l2c-navbar .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.35);
    color: #e9f1fa;
    border-radius: 12px;
    padding: 0.5rem 0.95rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.03);
}

.l2c-navbar .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #fff;
}

/* =========================================================
       Hero
       ========================================================= */
.hero {
    background: linear-gradient(135deg, #0d1117 0%, #0a0c10 100%);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(1.5rem, 3vw, 2.6rem);
    margin-top: 1.25rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.hero:after {
    content: "";
    position: absolute;
    inset: auto -10% -10% auto;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(
        closest-side,
        rgba(33, 150, 243, 0.18),
        rgba(33, 150, 243, 0)
    );
    filter: blur(16px);
    transform: translate(10%, 10%);
}

.hero h1 {
    font-weight: 900;
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero h1 .brand {
    color: var(--brand);
}

.hero .lead {
    color: var(--muted);
    font-weight: 500;
}

.hero .btn-cta {
    background: linear-gradient(180deg, var(--brand), var(--brand-dark));
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.25);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease,
        filter 0.2s ease;
}

.hero .btn-cta:hover {
    background: linear-gradient(180deg, var(--brand-2), var(--brand-dark));
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(33, 150, 243, 0.32);
    filter: brightness(1.04);
}

.hero .btn-cta:active {
    transform: translateY(0);
    box-shadow: 0 6px 16px rgba(33, 150, 243, 0.24);
}

.hero .btn-cta:focus-visible {
    outline: 2px solid var(--brand-2);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .hero .btn-cta,
    .hero .btn-cta:hover,
    .hero .btn-cta:active {
        transition: none;
        transform: none;
    }
}

/* =========================================================
       Chip Tags
       ========================================================= */
.chip-wrap {
    gap: 0.6rem;
    flex-wrap: wrap;
}

.chip {
    background: var(--chip);
    color: #e3eaf5;
    border: 1px solid var(--chip-border);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: 0.2s ease;
}

.chip:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    transform: translateY(-1px);
}

.chip .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--brand);
}

/* =========================================================
       Filter / Sort Bar
       ========================================================= */
.filter-bar {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-soft);
}

.form-select,
.form-control {
    background: #0e1218;
    color: #dfe7f3;
    border: 1px solid var(--line-2);
    border-radius: 12px;
}

.form-select:focus,
.form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.15);
}

.btn-filter {
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1rem;
}

.btn-filter:hover {
    background: var(--brand-dark);
}

/* =========================================================
       Section Head
       ========================================================= */
.section-head .section-eyebrow {
    color: #9ecbff;
    font-weight: 800;
    letter-spacing: 0.03em;
    background: rgba(33, 150, 243, 0.1);
    border: 1px dashed rgba(33, 150, 243, 0.35);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    display: inline-block;
}

.section-head .section-title {
    font-family: "Bebas Neue";
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: #fff;
    margin-top: 0.5rem;
}

.section-sub {
    color: var(--muted);
    margin-top: 0.25rem;
}

/* =========================================================
       Course Card
       ========================================================= */
.course-card {
    background: var(--panel);
    border: 1px solid #1c2029;
    border-radius: 16px;
    padding: 18px;
    height: 100%;
    transition: 0.25s ease;
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(33, 150, 243, 0.55);
}

.course-card .ribbon {
    position: absolute;
    top: 14px;
    right: -40px;
    transform: rotate(35deg);
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    color: #fff;
    font-weight: 900;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    padding: 0.3rem 1.6rem;
    box-shadow: 0 8px 18px rgba(33, 150, 243, 0.35);
}

.course-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--brand), var(--brand-dark));
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
}

.track-title {
    font-family: "Bebas Neue";
    color: #fff;
    font-size: 1.3rem;
}

.course-desc {
    color: #cfd8e3;
    min-height: 48px;
}

.badge-soft {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    color: #cfd8e3;
    background: #0e1218;
}

.price {
    font-weight: 900;
    color: #fff;
}

.rating {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: #ffd166;
    font-weight: 800;
}

.rating .star {
    width: 16px;
    height: 16px;
    display: inline-block;
    mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="%23fff" viewBox="0 0 24 24"><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.62L12 2 9.19 8.62 2 9.24l5.46 4.73L5.82 21z"/></svg>')
        no-repeat center/contain;
    -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="%23fff" viewBox="0 0 24 24"><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.62L12 2 9.19 8.62 2 9.24l5.46 4.73L5.82 21z"/></svg>')
        no-repeat center/contain;
    background: #ffd166;
}

.thumb {
    width: 100%;
    height: 140px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #0d1117;
    object-fit: cover;
    object-position: center;
    transition: 0.2s ease;
}

.course-card:hover .thumb {
    transform: scale(1.01);
}

/* =========================================================
       Organizations
       ========================================================= */
.orgs {
    background: linear-gradient(180deg, var(--panel-3), var(--panel-2));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-soft);
}

.orgs:before {
    content: "";
    position: absolute;
    inset: -20% -40% auto auto;
    height: 240px;
    width: 480px;
    background: var(--grad-soft);
    pointer-events: none;
}

.orgs h3 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: #fff;
    margin: 0;
}

.orgs p {
    color: #9fb0c7;
    margin: 6px 0 14px;
}

.org-logo {
    max-height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
    transition: filter 0.2s ease, transform 0.2s ease;
}

.org-logo:hover {
    transform: translateY(-2px) scale(1.03);
    filter: grayscale(0) brightness(1.1);
    opacity: 1;
}

.logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    border-radius: 14px;
    background: radial-gradient(
            120% 120% at 30% 20%,
            rgba(255, 255, 255, 0.06),
            transparent 70%
        ),
        rgba(255, 255, 255, 0.03);
    border: 1px solid var(--line);
    transition: transform 0.18s ease, box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.logo-wrap:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: rgba(66, 165, 245, 0.35);
}

.org-logo.logo--mono {
    filter: brightness(0) invert(1) drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
}

/* =========================================================
   Bento Section (responsive images + layouts)
   ========================================================= */
.bento {
    margin-top: 1.25rem;
}

.bento-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* ---------- Large layout (≥992px) ---------- */
@media (min-width: 992px) {
    .bento-a {
        grid-column: 1 / span 6;
        grid-row: 1 / span 2;
    }

    .bento-b {
        grid-column: 7 / span 3;
        grid-row: 1;
    }

    .bento-c {
        grid-column: 10 / span 3;
        grid-row: 1;
    }

    .bento-d {
        grid-column: 7 / span 6;
        grid-row: 2;
    }

    .bento-e {
        grid-column: 1 / span 6;
        grid-row: 3;
    }

    .bento-f {
        grid-column: 7 / span 6;
        grid-row: 3;
    }
}

/* ---------- Tablet layout (≥768px & <992px) ---------- */
@media (min-width: 768px) and (max-width: 991.98px) {
    .bento-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .bento-a {
        grid-column: 1 / span 6;
        grid-row: 1 / span 2;
    }

    .bento-b {
        grid-column: 1 / span 3;
        grid-row: 3;
    }

    .bento-c {
        grid-column: 4 / span 3;
        grid-row: 3;
    }

    .bento-d {
        grid-column: 1 / span 6;
        grid-row: 4;
    }

    .bento-e {
        grid-column: 1 / span 3;
        grid-row: 5;
    }

    .bento-f {
        grid-column: 4 / span 3;
        grid-row: 5;
    }
}

/* ---------- Mobile layout (<768px) ---------- */
@media (max-width: 767.98px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-item {
        min-height: 0 !important;
    }
}

/* ---------- Card styling ---------- */
.bento-item {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--panel-3), var(--panel-2));
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px;
    min-height: 240px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.22s ease, box-shadow 0.22s ease,
        border-color 0.22s ease;
}

.bento-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: rgba(66, 165, 245, 0.45);
}

.soft-glow {
    box-shadow: 0 20px 60px rgba(66, 165, 245, 0.12),
        inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.bento-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: #cfe6ff;
    border-radius: 999px;
    background: rgba(33, 150, 243, 0.12);
    border: 1px solid rgba(33, 150, 243, 0.35);
}

.bento-title {
    color: #fff;
    font-weight: 900;
    line-height: 1.2;
}

.bento-sub {
    color: var(--muted);
    margin: 0.25rem 0 0;
}

.bento-illus {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 0.75rem;
    background: #0d1117;
    border: 1px solid var(--line);
    border-radius: 14px;
    object-fit: cover;
    aspect-ratio: 16/10;
    box-shadow: var(--shadow-sm);
}

.bento-a .bento-illus {
    aspect-ratio: 1/1;
}

.bento-f .bento-illus {
    aspect-ratio: 16/11;
}

@media (min-width: 992px) {
    .bento-illus {
        position: absolute;
        bottom: 14px;
        right: 14px;
        width: min(42%, 340px);
        margin: 0;
    }

    .bento-a .bento-illus {
        left: 14px;
        right: auto;
        width: min(280px, 45%);
        aspect-ratio: 1/1;
    }

    .bento-f .bento-illus {
        right: 14px;
        width: min(320px, 45%);
        aspect-ratio: 16/11;
    }
}

.bento-item::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(
            120% 120% at 0% 0%,
            rgba(255, 255, 255, 0.04),
            transparent 55%
        ),
        linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.12));
}

@media (prefers-reduced-motion: reduce) {
    .bento-item,
    .bento-item:hover {
        transition: none;
    }
}

.bento-f {
    padding-bottom: 72px;
}

.bento-f .cta-bottom-left {
    position: absolute;
    left: 16px;
    bottom: 16px;
    z-index: 3;
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.bento-f .cta-bottom-left:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    filter: brightness(1.03);
}

.bento-f .cta-bottom-left:active {
    transform: translateY(0);
}

.bento-f .cta-bottom-left:focus-visible {
    outline: 2px solid var(--brand-2);
    outline-offset: 2px;
}

@media (max-width: 767.98px) {
    .bento-f {
        padding-bottom: 64px;
    }

    .bento-f .cta-bottom-left {
        left: 12px;
        bottom: 12px;
    }
}

/* =========================================================
       Testimonial / News
       ========================================================= */
.testi-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
}

.testi-quote {
    color: #d8e2f0;
}

.testi-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 12px;
    color: #cfd8e3;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #0d1117;
    border: 1px solid var(--line);
}

.news-box {
    background: #0d1117;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px;
}

.btn-news {
    background: linear-gradient(180deg, var(--brand), var(--brand-dark));
    color: #fff;
    font-weight: 800;
    border-radius: 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 20px rgba(33, 150, 243, 0.22);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease,
        filter 0.2s ease;
}

.btn-news:hover {
    background: linear-gradient(180deg, var(--brand-2), var(--brand-dark));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(33, 150, 243, 0.32);
    filter: brightness(1.04);
}

.btn-news:active {
    transform: translateY(0);
    box-shadow: 0 6px 16px rgba(33, 150, 243, 0.24);
}

.btn-news:focus-visible {
    outline: 2px solid var(--brand-2);
    outline-offset: 2px;
}

/* =========================================================
       Footer
       ========================================================= */
footer {
    color: #a9b4c6;
    margin-top: 2rem;
}

.footer-top {
    background: linear-gradient(
        180deg,
        rgba(66, 165, 245, 0.12),
        rgba(66, 165, 245, 0)
    );
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
}

.footer-wave {
    display: block;
    width: 100%;
    height: 40px;
    background: radial-gradient(
        140% 100% at 50% 0%,
        rgba(255, 255, 255, 0.06),
        rgba(255, 255, 255, 0) 70%
    );
}

.footer-brand {
    font-family: "Bebas Neue";
    font-size: 28px;
    color: #fff;
    letter-spacing: 0.8px;
}

.footer-brand span {
    color: #8ad3ff;
}

.footer-link {
    color: #d7e3f6;
    text-decoration: none;
    display: block;
    padding: 0.25rem 0;
    opacity: 0.9;
}

.footer-link:hover {
    color: #fff;
    opacity: 1;
    text-decoration: underline;
}

.social a {
    display: inline-flex;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
    background: #0e1218;
    border: 1px solid #1e2636;
    color: #cfe2ff;
    margin-right: 6px;
    transition: 0.2s;
}

.social a:hover {
    transform: translateY(-2px);
    background: var(--grad);
    color: #fff;
}

/* =========================================================
       YouTube Lite
       ========================================================= */
.ratio {
    position: relative;
    width: 100%;
}

.ratio::before {
    content: "";
    display: block;
    padding-top: 56.25%;
}

.ratio > * {
    position: absolute;
    inset: 0;
}

.video-light {
    position: relative;
    background: #000 center/cover no-repeat;
    border-radius: 12px;
    overflow: hidden;
}

.video-light iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: inherit;
}

.ratio.video-light > .yt-play {
    position: absolute;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: clamp(56px, 7.5vw, 84px);
    height: clamp(56px, 7.5vw, 84px);
    border-radius: 999px;
    border: 0;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    --b1: #2196f3;
    --b2: #1976d2;
    background: radial-gradient(
        120% 120% at 30% 30%,
        #57c0ff 0%,
        var(--b1) 45%,
        var(--b2) 100%
    );
    color: #fff;
    box-shadow: 0 12px 28px rgba(33, 150, 243, 0.45),
        inset 0 2px 8px rgba(255, 255, 255, 0.25);
    transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 0.22s ease;
}

.video-light .yt-icon {
    width: clamp(22px, 3.2vw, 34px);
    height: auto;
    display: block;
    fill: currentColor;
    pointer-events: none;
    margin-left: 2px;
}

.ratio.video-light > .yt-play::after {
    content: "";
    position: absolute;
    inset: -7px;
    border-radius: inherit;
    background: radial-gradient(
        70% 70% at 50% 50%,
        rgba(33, 150, 243, 0.32),
        transparent
    );
    filter: blur(8px);
    pointer-events: none;
}

.yt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100dvh;
    width: 100vw;
    z-index: 1100;
    display: grid;
    place-items: center;
    padding: clamp(12px, 2vw, 24px);
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(2px);
}

@supports not (height: 100dvh) {
    .yt-overlay {
        height: 100vh;
    }
}

.yt-dialog {
    width: min(960px, 88vw);
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
}

.yt-close {
    position: absolute;
    top: -14px;
    right: -14px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.95);
    color: #111;
    cursor: pointer;
    display: grid;
    place-items: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

body.yt-overlay-open {
    overflow: hidden;
}

html,
body {
    transform: none !important;
    filter: none !important;
}

.yt-dialog iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.yt-overlay-open .hero,
.yt-overlay-open .course-card,
.yt-overlay-open .tilt {
    transform: none !important;
}

/* =========================================================
       Glassy Modal Theme
       ========================================================= */
.lgx-theme {
    --lgx-text: #eaf5ff;
    --lgx-key: #bcd7ff;
    --lgx-muted: #a9c2df;
    --lgx-border: rgba(255, 255, 255, 0.15);
    --lgx-shadow: 0 14px 36px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    --lgx-chip-bg: rgba(33, 150, 243, 0.12);
    --lgx-chip-border: rgba(33, 150, 243, 0.25);
    --lgx-chip-text: #bfe0ff;
}

.lgx-modal-glass .modal-content {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.08),
        rgba(255, 255, 255, 0.04)
    );
    border: 1px solid var(--lgx-border);
    color: var(--lgx-text);
    border-radius: 18px;
    box-shadow: var(--lgx-shadow);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    overflow: hidden;
}

.lgx-modal-glass .modal-header {
    background: linear-gradient(180deg, #0f1b2b, #0b1422);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.lgx-modal-glass .modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.05),
        rgba(255, 255, 255, 0.03)
    );
}

.lgx-title {
    font-weight: 900;
    letter-spacing: 0.3px;
}

.lgx-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.25rem 0.55rem;
    border-radius: 999px;
    font-size: 0.8rem;
    line-height: 1;
    background: var(--lgx-chip-bg);
    color: var(--lgx-chip-text);
    border: 1px solid var(--lgx-chip-border);
    white-space: nowrap;
}

.lgx-subtle {
    color: var(--lgx-muted);
    font-size: 0.92rem;
}

.lgx-cover {
    width: 100%;
    border-radius: 14px;
    object-fit: cover;
    aspect-ratio: 16/9;
    background: #0d1117;
    border: 1px solid var(--lgx-border);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

.lgx-divider {
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.18),
        transparent
    );
    margin: 14px 0;
}

.lgx-btn {
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.06),
        rgba(255, 255, 255, 0.04)
    );
    color: var(--lgx-text);
    backdrop-filter: blur(6px) saturate(120%);
    -webkit-backdrop-filter: blur(6px) saturate(120%);
}

.lgx-btn:hover {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.06)
    );
    border-color: rgba(255, 255, 255, 0.28);
}

.lgx-btn-primary {
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    color: #fff;
    box-shadow: 0 10px 26px rgba(33, 150, 243, 0.35);
}

.lgx-btn-primary:hover {
    filter: brightness(1.05);
}

.lgx-modal-glass .btn-close {
    filter: invert(1) grayscale(100%);
    opacity: 0.9;
}

.lgx-modal-glass .btn-close:focus {
    box-shadow: none;
}

/* ===== Page Loader ===== */
#pageLoader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: radial-gradient(
            900px 420px at 110% -10%,
            rgba(66, 165, 245, 0.18),
            transparent 60%
        ),
        radial-gradient(
            850px 380px at -10% -10%,
            rgba(126, 87, 194, 0.16),
            transparent 60%
        ),
        linear-gradient(180deg, #0a0c10 0%, #0b0f15 100%);
}

body.no-scroll {
    overflow: hidden;
}

.loader-glass {
    position: relative;
    width: min(520px, 92vw);
    padding: 28px 26px 22px;
    border-radius: 20px;
    border: 1px solid #1a2230;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.05)
    );
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: saturate(160%) blur(10px);
    animation: pop 0.35s cubic-bezier(0.2, 0.9, 0.2, 1);
}

@keyframes pop {
    from {
        transform: translateY(8px) scale(0.98);
        opacity: 0;
    }

    to {
        transform: none;
        opacity: 1;
    }
}

.loader-brand .logo {
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: 0.6px;
    font-size: 34px;
    color: #e9f1fa;
}

.loader-brand .logo span {
    color: #42a5f5;
}

.loader-ring {
    width: 88px;
    height: 88px;
    margin: 18px auto;
    position: relative;
    filter: drop-shadow(0 6px 24px rgba(66, 165, 245, 0.45));
}

.loader-ring::before,
.loader-ring::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.16);
    border-top-color: #42a5f5;
    animation: spin 1.05s linear infinite;
}

.loader-ring::after {
    inset: 10px;
    border-color: rgba(255, 255, 255, 0.12);
    border-right-color: #2e78d1;
    animation-duration: 0.85s;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-progress {
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
    position: relative;
    margin: 10px 0 6px;
}

.loader-progress #plBar {
    position: absolute;
    inset: 0;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, #42a5f5, #2e78d1);
}

.loader-hint {
    margin: 6px 0 0;
    color: #9fb0c7;
    text-align: center;
    font-weight: 700;
}

.blob {
    position: absolute;
    filter: blur(36px);
    opacity: 0.75;
    border-radius: 50%;
}

.blob.b1 {
    width: 160px;
    height: 160px;
    left: -30px;
    bottom: -20px;
    background: rgba(66, 165, 245, 0.35);
    animation: float 7s ease-in-out infinite;
}

.blob.b2 {
    width: 180px;
    height: 180px;
    right: -40px;
    top: -30px;
    background: rgba(170, 142, 255, 0.28);
    animation: float 9s ease-in-out infinite reverse;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .loader-ring::before,
    .loader-ring::after,
    .blob {
        animation: none;
    }
}

.badge-xl {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1;
    border-radius: 999px !important;
    min-width: 44px;
    min-height: 44px;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
    transition: transform 0.15s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

.badge-xl:hover {
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.24);
}

.badge-xl:active {
    transform: translateY(0);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.badge-xl:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

.badge-xl.text-bg-dark {
    background: #0e1218 !important;
    color: #eaf2ff !important;
    border: 1px solid var(--line-2) !important;
}

.badge-xl.text-bg-secondary {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #e9f1fa !important;
    border: 1px solid var(--line) !important;
}

.l2c-navbar {
    z-index: 1045;
}

.l2c-navbar .container-xxl {
    position: relative;
}

.l2c-navbar .navbar-collapse {
    overflow: visible;
}

.l2c-navbar .dropdown-menu {
    z-index: 1080;
}

.l2c-navbar .avatar-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    line-height: 1;
}

.l2c-navbar .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.25);
}

.l2c-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,255,255,.85)' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

@media (max-width: 991.98px) {
    .l2c-navbar .auth-area {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem !important;
    }

    .l2c-navbar .user-dropdown {
        width: 100%;
    }

    .l2c-navbar .btn-user {
        width: 100%;
        justify-content: space-between;
    }

    .l2c-navbar .dropdown-menu {
        width: 100%;
        max-width: none;
        left: 0;
        right: 0;
        transform: none;
        margin-top: 0.5rem;
    }

    .l2c-navbar .btn-cta,
    .l2c-navbar .btn-outline-light {
        width: 100%;
    }
}

@media (min-width: 992px) {
    .l2c-navbar .dropdown-menu {
        min-width: 280px;
    }
}