/* Lukas Teissl course hub – premium light design, 2026-07-31 */
:root {
    --ltch-ink: #10232b;
    --ltch-muted: #5f7077;
    --ltch-line: rgba(12, 76, 83, 0.11);
    --ltch-green: #14a995;
    --ltch-green-dark: #087c73;
    --ltch-green-soft: #eaf9f6;
    --ltch-gold: #c59443;
    --ltch-navy: #061c27;
    --ltch-white: #ffffff;
    --ltch-radius: 28px;
    --ltch-shadow: 0 26px 70px rgba(10, 52, 61, 0.11);
}

body.lt-coursehub-page {
    background: #ffffff !important;
}

body.lt-coursehub-page .page-title-area,
body.lt-coursehub-page .page-title-section,
body.lt-coursehub-page .breadcrumb-area {
    display: none !important;
}

body.lt-coursehub-page .navbar-section {
    position: relative;
    z-index: 1000;
    border-bottom: 1px solid rgba(9, 63, 70, 0.09) !important;
    background: rgba(255, 255, 255, 0.97) !important;
    box-shadow: 0 8px 30px rgba(12, 48, 55, 0.055) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

body.lt-coursehub-page .techvio-nav .navbar,
body.lt-coursehub-page .techvio-responsive-nav {
    background: transparent !important;
}

body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link,
body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link i {
    color: #13252d !important;
    text-shadow: none !important;
}

body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link:hover,
body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link:focus,
body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link.active,
body.lt-coursehub-page .techvio-nav .navbar-nav .nav-item.active > .nav-link,
body.lt-coursehub-page .techvio-nav .navbar-nav .nav-link[aria-current="page"] {
    color: #168d79 !important;
}

.lt-coursehub,
.lt-coursehub *,
.lt-coursehub *::before,
.lt-coursehub *::after {
    box-sizing: border-box;
}

.lt-coursehub {
    position: relative;
    overflow: hidden;
    color: var(--ltch-ink);
    background: #ffffff;
    font-family: inherit;
}

.lt-coursehub img {
    max-width: 100%;
}

.lt-coursehub button,
.lt-coursehub a {
    font: inherit;
}

.lt-coursehub button {
    margin: 0;
}

.lt-coursehub a {
    text-decoration: none;
}

.lt-coursehub svg {
    display: block;
    width: 1.2em;
    height: 1.2em;
    flex: 0 0 auto;
}

.lt-coursehub-container {
    position: relative;
    z-index: 2;
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.lt-coursehub-hero {
    position: relative;
    isolation: isolate;
    min-height: 690px;
    padding: clamp(66px, 7vw, 104px) 0 78px;
    border-bottom: 1px solid rgba(10, 112, 105, 0.08);
    background:
        radial-gradient(circle at 79% 25%, rgba(64, 211, 190, 0.13), transparent 27%),
        radial-gradient(circle at 10% 82%, rgba(216, 235, 232, 0.48), transparent 31%),
        radial-gradient(circle at 94% 83%, rgba(34, 185, 169, 0.07), transparent 23%),
        linear-gradient(135deg, #ffffff 0%, #fbfdfd 49%, #f8fcfb 100%);
}

.lt-coursehub-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background-image:
        radial-gradient(circle, rgba(20, 164, 151, 0.17) 1.15px, transparent 1.25px),
        radial-gradient(circle, rgba(13, 48, 58, 0.045) 1px, transparent 1.1px);
    background-position: 0 0, 18px 18px;
    background-size: 29px 29px, 36px 36px;
    mask-image: linear-gradient(110deg, rgba(0, 0, 0, 0.68), transparent 27%, transparent 72%, rgba(0, 0, 0, 0.48));
    -webkit-mask-image: linear-gradient(110deg, rgba(0, 0, 0, 0.68), transparent 27%, transparent 72%, rgba(0, 0, 0, 0.48));
}

.lt-coursehub-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    right: -19vw;
    bottom: -42vw;
    width: 72vw;
    height: 72vw;
    border: 1px solid rgba(21, 173, 158, 0.15);
    border-radius: 50%;
    pointer-events: none;
    box-shadow:
        0 0 0 88px rgba(35, 183, 168, 0.025),
        0 0 0 180px rgba(9, 57, 66, 0.018),
        0 0 0 282px rgba(35, 183, 168, 0.014);
}

.lt-coursehub-hero__mesh {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        linear-gradient(116deg, transparent 0 44%, rgba(18, 60, 69, 0.055) 44.05% 44.18%, transparent 44.23%),
        linear-gradient(66deg, transparent 0 70%, rgba(18, 60, 69, 0.045) 70.04% 70.16%, transparent 70.22%),
        radial-gradient(circle at 69% 48%, transparent 0 196px, rgba(35, 190, 174, 0.16) 197px 198px, transparent 199px),
        radial-gradient(circle at 2% 104%, transparent 0 210px, rgba(13, 48, 58, 0.05) 211px 212px, transparent 213px);
}

.lt-coursehub-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.94fr) minmax(440px, 1.06fr);
    gap: clamp(42px, 6vw, 90px);
    align-items: center;
}

.lt-coursehub-hero__content {
    max-width: 620px;
}

.lt-coursehub-eyebrow,
.lt-coursehub-section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    color: var(--ltch-green-dark);
    font-size: 0.76rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.lt-coursehub-eyebrow span {
    display: grid;
    width: 28px;
    height: 28px;
    place-items: center;
    border: 1px solid rgba(10, 143, 136, 0.18);
    border-radius: 50%;
    color: #0a8f88;
    background: rgba(25, 185, 170, 0.08);
}

/* Intentionally compact: the previous hero heading was too dominant. */
.lt-coursehub-hero h1 {
    max-width: 610px;
    margin: 0;
    color: #0d1d26;
    font-size: clamp(2rem, 2.65vw, 2.95rem);
    font-weight: 850;
    line-height: 0.99;
    letter-spacing: -0.048em;
    text-wrap: balance;
}

.lt-coursehub-hero h1 span {
    display: block;
}

.lt-coursehub-hero__content > p {
    max-width: 600px;
    margin: 23px 0 0;
    color: #52646c;
    font-size: clamp(0.98rem, 1.1vw, 1.075rem);
    line-height: 1.78;
}

.lt-coursehub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.lt-coursehub-btn {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 19px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 0.86rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.lt-coursehub-btn svg,
.lt-coursehub-text-link svg {
    transition: transform 180ms ease;
}

.lt-coursehub-btn:hover,
.lt-coursehub-btn:focus-visible {
    transform: translateY(-2px);
}

.lt-coursehub-btn:hover svg,
.lt-coursehub-btn:focus-visible svg,
.lt-coursehub-text-link:hover svg,
.lt-coursehub-text-link:focus-visible svg {
    transform: translateX(4px);
}

.lt-coursehub-btn:focus-visible,
.lt-coursehub-text-link:focus-visible,
.lt-coursehub button:focus-visible,
.lt-coursehub summary:focus-visible {
    outline: 3px solid rgba(20, 169, 149, 0.28);
    outline-offset: 4px;
}

.lt-coursehub-btn--primary {
    color: #062b2b;
    border-color: rgba(11, 135, 118, 0.18);
    background: linear-gradient(135deg, #57e3c5 0%, #20c7aa 55%, #58d9aa 100%);
    box-shadow: 0 15px 35px rgba(23, 170, 145, 0.22);
}

.lt-coursehub-btn--primary:hover,
.lt-coursehub-btn--primary:focus-visible {
    color: #062b2b;
    box-shadow: 0 19px 42px rgba(23, 170, 145, 0.31);
}

.lt-coursehub-btn--ghost {
    color: #12272f;
    border-color: rgba(8, 64, 72, 0.15);
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 10px 28px rgba(8, 48, 56, 0.07);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.lt-coursehub-btn--ghost:hover,
.lt-coursehub-btn--ghost:focus-visible {
    color: #087c73;
    border-color: rgba(10, 143, 136, 0.32);
    background: #ffffff;
    box-shadow: 0 14px 34px rgba(8, 48, 56, 0.11);
}

.lt-coursehub-hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 13px 18px;
    margin-top: 21px;
    color: #52646c;
    font-size: 0.74rem;
    font-weight: 700;
}

.lt-coursehub-hero__trust span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.lt-coursehub-hero__trust svg {
    width: 15px;
    height: 15px;
    color: #17aa9b;
}

.lt-coursehub-hero__visual {
    position: relative;
    min-height: 470px;
}

.lt-coursehub-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(470px, 80%);
    aspect-ratio: 1;
    border: 1px solid rgba(20, 176, 161, 0.22);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: inset 0 0 80px rgba(32, 184, 168, 0.025);
}

.lt-coursehub-orbit::before,
.lt-coursehub-orbit::after {
    content: "";
    position: absolute;
    border-radius: 50%;
}

.lt-coursehub-orbit::before {
    inset: 15%;
    border: 1px solid rgba(202, 159, 82, 0.22);
}

.lt-coursehub-orbit::after {
    inset: -11%;
    border: 1px dashed rgba(15, 63, 72, 0.09);
}

.lt-coursehub-hero-card,
.lt-coursehub-course-card__image,
.lt-coursehub-author__image {
    position: relative;
    display: block;
    overflow: hidden;
    padding: 0;
    border: 1px solid rgba(12, 75, 83, 0.14);
    cursor: zoom-in;
    background: #061c27;
    box-shadow: 0 32px 70px rgba(11, 37, 46, 0.18), 0 7px 18px rgba(11, 37, 46, 0.08);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.lt-coursehub-hero-card {
    position: absolute;
    width: min(420px, 75%);
    aspect-ratio: 4 / 3;
    border-radius: 25px;
}

.lt-coursehub-hero-card img,
.lt-coursehub-course-card__image img,
.lt-coursehub-author__image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}

.lt-coursehub-hero-card--front {
    z-index: 3;
    top: 17%;
    left: 4%;
    transform: rotate(-2deg);
}

.lt-coursehub-hero-card--back {
    z-index: 2;
    right: 1%;
    bottom: 7%;
    transform: rotate(5deg) scale(0.82);
    transform-origin: center;
    opacity: 0.95;
}

.lt-coursehub-hero-card:hover,
.lt-coursehub-hero-card:focus-visible,
.lt-coursehub-course-card__image:hover,
.lt-coursehub-course-card__image:focus-visible,
.lt-coursehub-author__image:hover,
.lt-coursehub-author__image:focus-visible {
    border-color: rgba(17, 178, 162, 0.46);
    box-shadow: 0 40px 88px rgba(11, 37, 46, 0.23), 0 10px 25px rgba(11, 37, 46, 0.1);
}

.lt-coursehub-hero-card--front:hover,
.lt-coursehub-hero-card--front:focus-visible {
    transform: rotate(-1deg) translateY(-5px);
}

.lt-coursehub-hero-card--back:hover,
.lt-coursehub-hero-card--back:focus-visible {
    transform: rotate(3deg) scale(0.84) translateY(-5px);
}

.lt-coursehub-hero-card:hover img,
.lt-coursehub-course-card__image:hover img,
.lt-coursehub-author__image:hover img {
    transform: scale(1.025);
}

.lt-coursehub-expand {
    position: absolute;
    right: 13px;
    bottom: 13px;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 50%;
    color: #ffffff;
    background: rgba(4, 25, 34, 0.76);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lt-coursehub-expand svg {
    width: 17px;
    height: 17px;
}

.lt-coursehub-hero__seal {
    position: absolute;
    z-index: 5;
    top: 10%;
    right: 5%;
    display: grid;
    width: 72px;
    height: 72px;
    place-content: center;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    color: #ffffff;
    text-align: center;
    background: linear-gradient(145deg, #d7a957, #9d6a24);
    box-shadow: 0 18px 38px rgba(116, 77, 20, 0.24), inset 0 0 0 6px rgba(255, 255, 255, 0.1);
}

.lt-coursehub-hero__seal strong,
.lt-coursehub-hero__seal span {
    display: block;
}

.lt-coursehub-hero__seal strong {
    font-size: 1.22rem;
    line-height: 1;
}

.lt-coursehub-hero__seal span {
    margin-top: 3px;
    font-size: 0.55rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lt-coursehub-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: hidden;
    margin-top: 54px;
    border: 1px solid rgba(10, 87, 94, 0.11);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 22px 55px rgba(10, 51, 59, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.lt-coursehub-stat {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 13px;
    padding: 17px 19px;
    border-right: 1px solid rgba(10, 87, 94, 0.09);
}

.lt-coursehub-stat:last-child {
    border-right: 0;
}

.lt-coursehub-stat__icon {
    display: grid;
    width: 37px;
    height: 37px;
    flex: 0 0 37px;
    place-items: center;
    border: 1px solid rgba(17, 178, 162, 0.14);
    border-radius: 11px;
    color: #0b9588;
    background: rgba(25, 185, 170, 0.075);
}

.lt-coursehub-stat__icon svg {
    width: 17px;
    height: 17px;
}

.lt-coursehub-stat > span:last-child {
    display: block;
    min-width: 0;
}

.lt-coursehub-stat strong,
.lt-coursehub-stat small {
    display: block;
}

.lt-coursehub-stat strong {
    color: #10252d;
    font-size: 0.86rem;
    line-height: 1.2;
}

.lt-coursehub-stat small {
    margin-top: 4px;
    color: #66777e;
    font-size: 0.69rem;
    line-height: 1.25;
}

.lt-coursehub-platform {
    position: relative;
    z-index: 4;
    margin-top: -34px;
}

.lt-coursehub-platform__card {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 55px;
    align-items: center;
    padding: clamp(28px, 4vw, 48px);
    border: 1px solid rgba(10, 87, 94, 0.1);
    border-radius: var(--ltch-radius);
    background: rgba(255, 255, 255, 0.985);
    box-shadow: var(--ltch-shadow);
}

.lt-coursehub-platform__card h2,
.lt-coursehub-heading h2,
.lt-coursehub-author__content h2,
.lt-coursehub-final__card h2 {
    margin: 0;
    color: var(--ltch-ink);
    font-size: clamp(2rem, 3.8vw, 3.55rem);
    font-weight: 830;
    line-height: 1.05;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.lt-coursehub-platform__card h2 {
    font-size: clamp(1.75rem, 2.7vw, 2.7rem);
}

.lt-coursehub-platform__card p,
.lt-coursehub-heading > p,
.lt-coursehub-author__content > p,
.lt-coursehub-final__card p {
    margin: 19px 0 0;
    color: var(--ltch-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.lt-coursehub-platform__card ul,
.lt-coursehub-course-card__body ul {
    display: grid;
    gap: 13px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-coursehub-platform__card li,
.lt-coursehub-course-card__body li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #42565e;
    font-size: 0.91rem;
    font-weight: 650;
    line-height: 1.45;
}

.lt-coursehub-platform__card li svg,
.lt-coursehub-course-card__body li svg {
    width: 18px;
    height: 18px;
    margin-top: 1px;
    color: var(--ltch-green);
}

.lt-coursehub-section {
    position: relative;
    padding: clamp(82px, 9vw, 132px) 0;
}

.lt-coursehub-heading {
    max-width: 830px;
    margin: 0 auto 48px;
    text-align: center;
}

.lt-coursehub-heading > p {
    max-width: 760px;
    margin-right: auto;
    margin-left: auto;
}

.lt-coursehub-heading--left {
    margin: 0;
    text-align: left;
}

.lt-coursehub-course-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.lt-coursehub-course-card {
    overflow: hidden;
    border: 1px solid var(--ltch-line);
    border-radius: var(--ltch-radius);
    background: #ffffff;
    box-shadow: 0 18px 55px rgba(10, 52, 61, 0.08);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.lt-coursehub-course-card:hover {
    transform: translateY(-5px);
    border-color: rgba(20, 169, 149, 0.24);
    box-shadow: 0 28px 70px rgba(10, 52, 61, 0.13);
}

.lt-coursehub-course-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.lt-coursehub-course-card__body {
    padding: clamp(25px, 3.4vw, 38px);
}

.lt-coursehub-course-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ltch-green-dark);
    font-size: 0.69rem;
    font-weight: 850;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.lt-coursehub-course-card__meta span {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 50%;
    color: #ffffff;
    background: var(--ltch-navy);
    letter-spacing: 0;
}

.lt-coursehub-course-card h3 {
    margin: 19px 0 0;
    color: var(--ltch-ink);
    font-size: clamp(1.55rem, 2.35vw, 2.25rem);
    font-weight: 820;
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.lt-coursehub-course-card__body > p {
    margin: 15px 0 22px;
    color: var(--ltch-muted);
    line-height: 1.68;
}

.lt-coursehub-course-card__body ul {
    gap: 10px;
    margin-bottom: 24px;
}

.lt-coursehub-text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ltch-green-dark);
    font-size: 0.88rem;
    font-weight: 820;
}

.lt-coursehub-method {
    overflow: hidden;
    color: #ffffff;
    background:
        radial-gradient(circle at 16% 25%, rgba(34, 201, 179, 0.18), transparent 27%),
        radial-gradient(circle at 86% 88%, rgba(201, 151, 66, 0.12), transparent 30%),
        linear-gradient(135deg, #051a24 0%, #082b34 52%, #063b3d 100%);
}

.lt-coursehub-method::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.09) 1px, transparent 1.1px);
    background-size: 31px 31px;
    mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 38%, transparent 68%, rgba(0, 0, 0, 0.55));
    -webkit-mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 38%, transparent 68%, rgba(0, 0, 0, 0.55));
}

.lt-coursehub-heading--light h2 {
    color: #ffffff;
}

.lt-coursehub-heading--light > p {
    color: rgba(235, 248, 247, 0.72);
}

.lt-coursehub-method .lt-coursehub-section-eyebrow {
    color: #5be1ca;
}

.lt-coursehub-method-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.lt-coursehub-method-grid article {
    min-height: 250px;
    padding: 28px 24px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.055);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.055);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lt-coursehub-method-grid article > span {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(83, 225, 202, 0.28);
    border-radius: 50%;
    color: #58ddc7;
    font-size: 0.72rem;
    font-weight: 850;
}

.lt-coursehub-method-grid h3 {
    margin: 26px 0 10px;
    color: #ffffff;
    font-size: 1.2rem;
    font-weight: 790;
}

.lt-coursehub-method-grid p {
    margin: 0;
    color: rgba(235, 248, 247, 0.7);
    font-size: 0.88rem;
    line-height: 1.65;
}

.lt-coursehub-author {
    background:
        radial-gradient(circle at 85% 14%, rgba(55, 201, 181, 0.1), transparent 26%),
        #f7fbfa;
}

.lt-coursehub-author__grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(45px, 7vw, 90px);
    align-items: center;
}

.lt-coursehub-author__image {
    width: 100%;
    max-width: 430px;
    aspect-ratio: 0.752 / 1;
    margin: 0 auto;
    border-radius: 32px;
}

.lt-coursehub-author__content h2 {
    font-size: clamp(2rem, 3.6vw, 3.35rem);
}

.lt-coursehub-author__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 30px 0;
}

.lt-coursehub-author__stats > span {
    padding: 17px 14px;
    border: 1px solid var(--ltch-line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.82);
}

.lt-coursehub-author__stats strong,
.lt-coursehub-author__stats small {
    display: block;
}

.lt-coursehub-author__stats strong {
    color: var(--ltch-green-dark);
    font-size: 1.38rem;
    line-height: 1;
}

.lt-coursehub-author__stats small {
    margin-top: 7px;
    color: var(--ltch-muted);
    font-size: 0.7rem;
    line-height: 1.35;
}

.lt-coursehub-faq__grid {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: clamp(45px, 7vw, 90px);
    align-items: start;
}

.lt-coursehub-faq__items {
    display: grid;
    gap: 12px;
}

.lt-coursehub-faq details {
    overflow: hidden;
    border: 1px solid var(--ltch-line);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 35px rgba(10, 52, 61, 0.055);
}

.lt-coursehub-faq summary {
    display: flex;
    min-height: 70px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 19px 22px;
    cursor: pointer;
    color: var(--ltch-ink);
    font-size: 0.95rem;
    font-weight: 780;
    list-style: none;
}

.lt-coursehub-faq summary::-webkit-details-marker {
    display: none;
}

.lt-coursehub-faq summary i {
    position: relative;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border-radius: 50%;
    background: var(--ltch-green-soft);
}

.lt-coursehub-faq summary i::before,
.lt-coursehub-faq summary i::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 1.5px;
    border-radius: 2px;
    background: var(--ltch-green-dark);
    transform: translate(-50%, -50%);
}

.lt-coursehub-faq summary i::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: transform 180ms ease;
}

.lt-coursehub-faq details[open] summary i::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.lt-coursehub-faq details > div {
    padding: 0 22px 20px;
}

.lt-coursehub-faq details p {
    margin: 0;
    color: var(--ltch-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.lt-coursehub-final {
    padding: 0 0 clamp(80px, 9vw, 125px);
}

.lt-coursehub-final__card {
    position: relative;
    overflow: hidden;
    padding: clamp(34px, 5vw, 62px);
    border: 1px solid rgba(20, 169, 149, 0.14);
    border-radius: 32px;
    background:
        radial-gradient(circle at 87% 18%, rgba(52, 210, 187, 0.18), transparent 28%),
        linear-gradient(135deg, #f5fcfa 0%, #ffffff 58%, #effaf7 100%);
    box-shadow: var(--ltch-shadow);
}

.lt-coursehub-final__card::after {
    content: "";
    position: absolute;
    right: -145px;
    bottom: -210px;
    width: 430px;
    height: 430px;
    border: 1px solid rgba(20, 169, 149, 0.15);
    border-radius: 50%;
    box-shadow: 0 0 0 55px rgba(20, 169, 149, 0.025), 0 0 0 110px rgba(20, 169, 149, 0.02);
    pointer-events: none;
}

.lt-coursehub-final__card > * {
    position: relative;
    z-index: 1;
}

.lt-coursehub-final__card h2 {
    max-width: 760px;
    font-size: clamp(2rem, 3.6vw, 3.45rem);
}

.lt-coursehub-final__card p {
    max-width: 720px;
}

.lt-coursehub-lightbox {
    position: fixed;
    z-index: 100000;
    inset: 0;
    display: grid;
    visibility: hidden;
    place-items: center;
    padding: 22px;
    opacity: 0;
    transition: opacity 190ms ease, visibility 190ms ease;
}

.lt-coursehub-lightbox.is-open {
    visibility: visible;
    opacity: 1;
}

.lt-coursehub-lightbox__backdrop {
    position: absolute;
    inset: 0;
    cursor: zoom-out;
    background: rgba(2, 15, 22, 0.86);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.lt-coursehub-lightbox__panel {
    position: relative;
    z-index: 1;
    display: grid;
    width: min(1120px, 96vw);
    max-height: 94vh;
    grid-template-rows: minmax(0, 1fr) auto auto;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    color: #ffffff;
    background: #061c27;
    box-shadow: 0 36px 110px rgba(0, 0, 0, 0.48);
    transform: translateY(14px) scale(0.985);
    transition: transform 220ms ease;
}

.lt-coursehub-lightbox.is-open .lt-coursehub-lightbox__panel {
    transform: translateY(0) scale(1);
}

.lt-coursehub-lightbox__close {
    position: absolute;
    z-index: 5;
    top: 13px;
    right: 13px;
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    padding: 0 0 3px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    cursor: pointer;
    color: #ffffff;
    background: rgba(3, 18, 25, 0.72);
    font-size: 1.7rem;
    line-height: 1;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lt-coursehub-lightbox__media {
    position: relative;
    display: grid;
    min-height: 0;
    place-items: center;
    background: #020e14;
}

.lt-coursehub-lightbox__media img {
    display: block;
    width: 100%;
    height: min(72vh, 760px);
    object-fit: contain;
}

.lt-coursehub-lightbox__nav {
    position: absolute;
    z-index: 4;
    top: 50%;
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    padding: 0 0 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    color: #ffffff;
    background: rgba(3, 18, 25, 0.68);
    font-size: 2rem;
    line-height: 1;
    transform: translateY(-50%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lt-coursehub-lightbox__nav--prev {
    left: 15px;
}

.lt-coursehub-lightbox__nav--next {
    right: 15px;
}

.lt-coursehub-lightbox__caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    padding: 18px 24px 12px;
}

.lt-coursehub-lightbox__caption h2 {
    margin: 4px 0 0;
    color: #ffffff;
    font-size: clamp(1.1rem, 2vw, 1.6rem);
    font-weight: 760;
}

.lt-coursehub-lightbox__caption [data-lt-lightbox-counter] {
    color: #59dfc8;
    font-size: 0.67rem;
    font-weight: 850;
    letter-spacing: 0.11em;
}

.lt-coursehub-lightbox__caption .lt-coursehub-text-link {
    flex: 0 0 auto;
    color: #59dfc8;
}

.lt-coursehub-lightbox__hint {
    margin: 0;
    padding: 0 24px 17px;
    color: rgba(236, 249, 247, 0.58);
    font-size: 0.7rem;
}

html.lt-coursehub-lock,
html.lt-coursehub-lock body {
    overflow: hidden !important;
}

@media (max-width: 1100px) {
    .lt-coursehub-hero__grid {
        grid-template-columns: minmax(0, 1fr) minmax(390px, 0.9fr);
        gap: 42px;
    }

    .lt-coursehub-hero h1 {
        font-size: clamp(2rem, 3.55vw, 2.75rem);
    }

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

@media (max-width: 991px) {
    body.lt-coursehub-page .navbar-section {
        background: #ffffff !important;
    }

    .lt-coursehub-hero {
        min-height: 0;
        padding-top: 62px;
        background:
            radial-gradient(circle at 76% 44%, rgba(64, 211, 190, 0.11), transparent 28%),
            radial-gradient(circle at 5% 89%, rgba(216, 235, 232, 0.5), transparent 34%),
            linear-gradient(145deg, #ffffff 0%, #fbfdfd 56%, #f7fcfb 100%);
    }

    .lt-coursehub-hero::before {
        opacity: 0.7;
        mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.38), transparent 64%, rgba(0, 0, 0, 0.18));
        -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.38), transparent 64%, rgba(0, 0, 0, 0.18));
    }

    .lt-coursehub-hero__grid {
        grid-template-columns: 1fr;
    }

    .lt-coursehub-hero__content {
        max-width: 710px;
        text-align: center;
        margin: 0 auto;
    }

    .lt-coursehub-hero h1 {
        max-width: 620px;
        margin: 0 auto;
        font-size: clamp(2rem, 5.5vw, 2.8rem);
    }

    .lt-coursehub-hero__content > p {
        margin-right: auto;
        margin-left: auto;
    }

    .lt-coursehub-actions,
    .lt-coursehub-hero__trust {
        justify-content: center;
    }

    .lt-coursehub-hero__visual {
        width: min(680px, 100%);
        min-height: 490px;
        margin: 0 auto;
    }

    .lt-coursehub-hero-card {
        width: min(440px, 70%);
    }

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

    .lt-coursehub-stat:nth-child(2) {
        border-right: 0;
    }

    .lt-coursehub-stat:nth-child(-n + 2) {
        border-bottom: 1px solid rgba(10, 87, 94, 0.09);
    }

    .lt-coursehub-platform__card,
    .lt-coursehub-author__grid,
    .lt-coursehub-faq__grid {
        grid-template-columns: 1fr;
    }

    .lt-coursehub-platform__card {
        gap: 30px;
    }

    .lt-coursehub-author__image {
        max-width: 370px;
    }

    .lt-coursehub-heading--left {
        max-width: 760px;
        text-align: center;
        margin: 0 auto 34px;
    }
}

@media (max-width: 760px) {
    .lt-coursehub-container {
        width: min(100% - 28px, 1180px);
    }

    .lt-coursehub-hero {
        padding-top: 48px;
        padding-bottom: 60px;
    }

    .lt-coursehub-eyebrow,
    .lt-coursehub-section-eyebrow {
        font-size: 0.66rem;
        letter-spacing: 0.09em;
    }

    .lt-coursehub-hero h1 {
        font-size: clamp(1.85rem, 8vw, 2.35rem);
        line-height: 1.01;
        letter-spacing: -0.042em;
    }

    .lt-coursehub-hero__content > p {
        font-size: 0.93rem;
        line-height: 1.68;
    }

    .lt-coursehub-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: min(100%, 430px);
        margin-right: auto;
        margin-left: auto;
    }

    .lt-coursehub-btn {
        width: 100%;
    }

    .lt-coursehub-hero__trust {
        display: grid;
        justify-content: center;
        text-align: left;
    }

    .lt-coursehub-hero__visual {
        min-height: 390px;
    }

    .lt-coursehub-hero-card {
        width: min(390px, 78%);
        border-radius: 19px;
    }

    .lt-coursehub-hero-card--front {
        top: 16%;
        left: 0;
    }

    .lt-coursehub-hero-card--back {
        right: 0;
        bottom: 3%;
    }

    .lt-coursehub-hero__seal {
        top: 5%;
        right: 2%;
        width: 62px;
        height: 62px;
    }

    .lt-coursehub-stats {
        margin-top: 28px;
    }

    .lt-coursehub-stat {
        padding: 14px 12px;
    }

    .lt-coursehub-stat__icon {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
    }

    .lt-coursehub-platform {
        margin-top: -24px;
    }

    .lt-coursehub-platform__card {
        border-radius: 22px;
    }

    .lt-coursehub-course-grid,
    .lt-coursehub-method-grid {
        grid-template-columns: 1fr;
    }

    .lt-coursehub-heading {
        margin-bottom: 35px;
    }

    .lt-coursehub-platform__card h2,
    .lt-coursehub-heading h2,
    .lt-coursehub-author__content h2,
    .lt-coursehub-final__card h2 {
        font-size: clamp(1.78rem, 8vw, 2.45rem);
    }

    .lt-coursehub-method-grid article {
        min-height: 0;
    }

    .lt-coursehub-author__stats {
        grid-template-columns: 1fr;
    }

    .lt-coursehub-final__card {
        border-radius: 24px;
    }

    .lt-coursehub-lightbox {
        padding: 8px;
    }

    .lt-coursehub-lightbox__panel {
        width: 100%;
        max-height: 98vh;
        border-radius: 18px;
    }

    .lt-coursehub-lightbox__media img {
        height: min(65vh, 620px);
    }

    .lt-coursehub-lightbox__nav {
        width: 42px;
        height: 42px;
    }

    .lt-coursehub-lightbox__nav--prev {
        left: 8px;
    }

    .lt-coursehub-lightbox__nav--next {
        right: 8px;
    }

    .lt-coursehub-lightbox__caption {
        display: grid;
        gap: 12px;
        padding: 15px 17px 10px;
    }

    .lt-coursehub-lightbox__hint {
        padding: 0 17px 14px;
    }
}

@media (max-width: 440px) {
    .lt-coursehub-container {
        width: min(100% - 22px, 1180px);
    }

    .lt-coursehub-hero h1 {
        font-size: clamp(1.95rem, 9.4vw, 2.35rem);
    }

    .lt-coursehub-hero__visual {
        min-height: 315px;
    }

    .lt-coursehub-hero-card {
        width: 81%;
    }

    .lt-coursehub-hero__seal {
        width: 56px;
        height: 56px;
    }

    .lt-coursehub-stats {
        grid-template-columns: 1fr;
    }

    .lt-coursehub-stat,
    .lt-coursehub-stat:nth-child(2) {
        border-right: 0;
        border-bottom: 1px solid rgba(10, 87, 94, 0.09);
    }

    .lt-coursehub-stat:last-child {
        border-bottom: 0;
    }

    .lt-coursehub-stat small {
        font-size: 0.72rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lt-coursehub *,
    .lt-coursehub *::before,
    .lt-coursehub *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
    }
}

@media print {
    .lt-coursehub-lightbox,
    .lt-coursehub-expand {
        display: none !important;
    }
}