:root {
    color-scheme: dark;
    --surface: #131313;
    --surface-lowest: #0e0e0e;
    --surface-low: #1b1b1b;
    --surface-high: #2a2a2a;
    --surface-highest: #353535;
    --primary: #ffffff;
    --on-primary: #111111;
    --secondary: #c6c6c6;
    --muted: #8b8b8b;
    --outline: rgba(145, 145, 145, 0.18);
    --outline-strong: rgba(145, 145, 145, 0.3);
    --ambient-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--surface);
    color: var(--primary);
    font-family: 'Manrope', sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

button,
input,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
    border: 0;
    padding: 0;
    background: transparent;
}

input,
textarea {
    border-radius: 0;
}

::selection {
    background: rgba(255, 255, 255, 0.18);
    color: var(--primary);
}

.landing-page {
    position: relative;
    background: var(--surface);
    color: var(--primary);
}

.landing-grain {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0.028;
    mix-blend-mode: soft-light;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.42) 0 1px, transparent 1.3px),
        radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.26) 0 1px, transparent 1.4px),
        radial-gradient(circle at 45% 70%, rgba(255, 255, 255, 0.32) 0 1px, transparent 1.2px),
        radial-gradient(circle at 65% 85%, rgba(255, 255, 255, 0.22) 0 1px, transparent 1.4px);
    background-size: 28px 28px, 32px 32px, 24px 24px, 20px 20px;
}

.landing-main,
.landing-topbar,
.landing-footer {
    position: relative;
    z-index: 3;
}

.landing-shell {
    width: min(1320px, calc(100% - 3rem));
    margin: 0 auto;
}

.landing-topbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 20;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1.1rem 2rem;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

.landing-topbar__brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    width: min(148px, 16vw);
}

.landing-topbar__brand-logo {
    width: 100%;
    height: auto;
}

.landing-topbar__menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 2.25rem;
}

.landing-topbar__link,
.landing-footer__link {
    color: rgba(255, 255, 255, 0.58);
    font-family: 'Manrope', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 180ms ease;
}

.landing-topbar__link:hover,
.landing-footer__link:hover {
    color: var(--primary);
}

.landing-topbar__link--active,
.landing-footer__link--active {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 0.4rem;
}

.landing-topbar__cta,
.landing-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 3rem;
    padding: 0.9rem 1.45rem;
    border: 1px solid transparent;
    font-family: 'Manrope', sans-serif;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.landing-topbar__cta {
    flex-shrink: 0;
    white-space: nowrap;
}

.landing-topbar__cta,
.landing-button--primary {
    background: var(--primary);
    color: var(--on-primary);
}

.landing-topbar__cta:hover,
.landing-button--primary:hover {
    background: #d9d9d9;
    transform: translateY(-1px);
}

.landing-button--tertiary {
    border-bottom: 1px solid var(--primary);
    color: var(--primary);
    padding-inline: 0;
}

.landing-button--tertiary:hover {
    color: #d9d9d9;
    border-bottom-color: #d9d9d9;
}

.hero-section {
    position: relative;
    min-height: max(760px, 100svh);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 6rem;
    overflow: hidden;
    background: var(--surface-lowest);
}

.hero-section__media,
.hero-section__veil {
    position: absolute;
    inset: 0;
}

.hero-section__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 28%;
    filter: grayscale(0.14) brightness(0.46) contrast(1.04);
}

.hero-section__veil {
    background:
        linear-gradient(90deg, rgba(12, 12, 12, 0.82) 0%, rgba(12, 12, 12, 0.42) 38%, rgba(12, 12, 12, 0.62) 100%),
        linear-gradient(180deg, rgba(12, 12, 12, 0.2) 0%, rgba(12, 12, 12, 0.26) 34%, rgba(12, 12, 12, 0.92) 100%);
}

.hero-section__inner {
    position: relative;
    z-index: 1;
    width: min(1040px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 4rem 0 4.5rem;
    text-align: center;
}

.hero-section__title {
    margin: 0;
    font-size: clamp(3.6rem, 10vw, 7.5rem);
    font-weight: 800;
    letter-spacing: -0.07em;
    line-height: 0.88;
    text-transform: uppercase;
}

.hero-section__copy {
    width: min(100%, 680px);
    margin: 1.75rem auto 0;
    color: var(--secondary);
    font-size: 1rem;
    line-height: 1.75;
}

.hero-section__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.hero-section__scroll {
    position: absolute;
    bottom: clamp(1.5rem, 3vw, 2.5rem);
    left: 50%;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    transform: translateX(-50%);
}

.hero-section__scroll-label,
.section-label,
.section-kicker__label,
.about-section__fact-label,
.contact-section__subtitle,
.contact-form__label,
.landing-footer__copy {
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.hero-section__scroll-label,
.section-label {
    color: var(--secondary);
    font-size: 0.7rem;
}

.hero-section__scroll-line {
    width: 1px;
    height: 3.4rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
}

.landing-section {
    position: relative;
    padding: 8rem 0;
}

.landing-section--surface {
    background: var(--surface);
}

.landing-section--lowest,
.landing-section--contact {
    background: var(--surface-lowest);
}

.about-section {
    display: grid;
    grid-template-columns: minmax(320px, 460px) minmax(0, 1fr);
    align-items: start;
    gap: 5rem;
}

.about-section__figure {
    position: relative;
}

.about-section__image-shell {
    overflow: hidden;
    background: var(--surface-low);
}

.about-section__image {
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 24%;
    filter: grayscale(0.16) brightness(0.8);
}

.about-section__ghost {
    position: absolute;
    right: -1.8rem;
    bottom: -2rem;
    color: rgba(255, 255, 255, 0.05);
    font-size: clamp(4rem, 11vw, 8rem);
    font-weight: 800;
    line-height: 1;
    text-transform: uppercase;
    pointer-events: none;
}

.about-section__content {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    padding-top: 1rem;
}

.section-kicker {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-kicker__line {
    width: 3rem;
    height: 1px;
    background: var(--primary);
}

.section-kicker__label {
    font-size: 0.74rem;
}

.about-section__title,
.reels-section__title,
.services-section__title,
.contact-section__title {
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.06em;
    text-transform: uppercase;
}

.about-section__title {
    font-size: clamp(2.8rem, 6vw, 5rem);
    line-height: 0.96;
}

.about-section__copy {
    width: min(100%, 760px);
    color: var(--secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.about-section__copy p {
    margin: 0;
}

.about-section__copy p + p {
    margin-top: 1.25rem;
}

.about-section__facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(71, 71, 71, 0.3);
}

.about-section__fact-label {
    display: block;
    margin-bottom: 0.65rem;
    color: var(--muted);
    font-size: 0.72rem;
}

.about-section__fact-value {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.reels-section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 4.5rem;
}

.reels-section__title,
.services-section__title {
    font-size: clamp(3rem, 7vw, 5rem);
    line-height: 0.92;
}

.reels-section__progress {
    position: relative;
    flex: 0 0 min(26rem, 100%);
    height: 2px;
    background: var(--surface-highest);
}

.reels-section__progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 34%;
    height: 100%;
    background: var(--primary);
}

.reels-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
}

.reel-card {
    display: block;
}

.reel-card--static {
    cursor: default;
}

.reel-card__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    margin-bottom: 1rem;
    background: var(--surface-low);
}

.reel-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.18) brightness(0.55);
    transition: transform 700ms ease, filter 220ms ease;
}

.reel-card__media--1 .reel-card__image {
    object-position: center 8%;
}

.reel-card__media--2 .reel-card__image {
    object-position: 50% 35%;
}

.reel-card__media--3 .reel-card__image {
    object-position: center 62%;
}

.reel-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(53, 53, 53, 0);
    transition: background-color 180ms ease;
}

.reel-card__icon {
    opacity: 0;
    font-size: 3.6rem;
    transition: opacity 180ms ease;
}

.reel-card:hover .reel-card__image {
    transform: scale(1.05);
    filter: grayscale(1) brightness(0.62);
}

.reel-card:hover .reel-card__overlay {
    background: rgba(53, 53, 53, 0.22);
}

.reel-card:hover .reel-card__icon {
    opacity: 1;
}

.reel-card__meta {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.reel-card__title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.reel-card__tag {
    flex-shrink: 0;
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--outline-strong);
    color: var(--secondary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.lesson-video-section {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
    align-items: center;
    gap: 3rem;
}

.lesson-video-section__content {
    max-width: 540px;
}

.lesson-video-section__title,
.plans-section__title,
.tutorials-section__title {
    margin: 0.85rem 0 0;
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 800;
    letter-spacing: -0.06em;
    line-height: 0.95;
    text-transform: uppercase;
}

.lesson-video-section__copy,
.plans-section__copy,
.tutorials-section__copy {
    margin: 1.4rem 0 0;
    color: var(--secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.lesson-video-section__highlights,
.plan-card__features {
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
}

.lesson-video-section__highlights li,
.plan-card__features li {
    position: relative;
    padding-left: 1.35rem;
    color: var(--secondary);
    line-height: 1.75;
}

.lesson-video-section__highlights li + li,
.plan-card__features li + li {
    margin-top: 0.85rem;
}

.lesson-video-section__highlights li::before,
.plan-card__features li::before {
    content: '';
    position: absolute;
    top: 0.72rem;
    left: 0;
    width: 0.45rem;
    height: 0.45rem;
    background: var(--primary);
}

.lesson-video-section__player-shell {
    position: relative;
}

.lesson-video-section__player {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: #060606;
    box-shadow: var(--ambient-shadow);
}

.lesson-video-section__player iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.plans-section__header {
    max-width: 760px;
    margin-bottom: 4rem;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.plan-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.02);
}

.plan-card--featured {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-0.4rem);
}

.plan-card__top,
.tutorial-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.plan-card__name,
.plan-card__badge,
.tutorial-card__eyebrow {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.plan-card__badge {
    padding: 0.35rem 0.55rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--primary);
}

.plan-card__price-group {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-top: 1.6rem;
}

.plan-card__price {
    font-size: clamp(2.4rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.06em;
}

.plan-card__period {
    color: var(--secondary);
    font-size: 0.92rem;
}

.plan-card__description,
.tutorial-card__description {
    margin: 1rem 0 0;
    color: var(--secondary);
    font-size: 0.98rem;
    line-height: 1.75;
}

.plan-card__cta {
    margin-top: auto;
    align-self: flex-start;
}

.tutorials-section__header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 4rem;
}

.tutorials-section__copy {
    max-width: 360px;
    margin-top: 0;
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.tutorial-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.tutorial-card:hover {
    transform: translateY(-0.35rem);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
}

.tutorial-card__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #050505;
}

.tutorial-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.82) brightness(0.54) contrast(1.04);
    transition: transform 700ms ease, filter 220ms ease;
}

.tutorial-card:hover .tutorial-card__image {
    transform: scale(1.05);
    filter: saturate(0.95) brightness(0.62) contrast(1.02);
}

.tutorial-card__media-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(10, 10, 10, 0.14) 0%, rgba(10, 10, 10, 0.12) 24%, rgba(10, 10, 10, 0.74) 100%),
        linear-gradient(90deg, rgba(10, 10, 10, 0.2) 0%, rgba(10, 10, 10, 0.04) 45%, rgba(10, 10, 10, 0.45) 100%);
}

.tutorial-card__media-top {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.tutorial-card__badge,
.tutorial-card__level {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(10, 10, 10, 0.36);
    color: var(--primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.tutorial-card__title {
    margin: 0.95rem 0 0;
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
    text-transform: uppercase;
}

.tutorial-card__focus {
    position: absolute;
    left: 1rem;
    bottom: 1rem;
    z-index: 1;
    color: rgba(255, 255, 255, 0.88);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.tutorial-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 1.5rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
        var(--surface-low);
}

.tutorial-card__footer {
    margin-top: auto;
    padding-top: 1.35rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.tutorial-card__price {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.tutorial-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.04);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.tutorial-card__link:hover {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
}

.services-section__header {
    margin-bottom: 5rem;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
    min-height: 100%;
    padding: 3.5rem 2.5rem;
    border: 1px solid rgba(71, 71, 71, 0.28);
    background: transparent;
    transition: background-color 180ms ease;
}

.service-card + .service-card {
    border-left: 0;
}

.service-card--featured {
    background: var(--surface-low);
}

.service-card:hover {
    background: var(--surface-low);
}

.service-card__icon {
    display: inline-block;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.service-card__title {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

.service-card__copy {
    margin: 1rem 0 2rem;
    color: var(--secondary);
    font-size: 0.96rem;
    line-height: 1.75;
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    border-bottom: 1px solid var(--primary);
    padding-bottom: 0.35rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.services-section__cta {
    display: flex;
    justify-content: center;
    margin-top: 3.5rem;
}

.landing-section--contact {
    overflow: hidden;
}

.contact-section__ghost {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(-42%, -50%) rotate(180deg);
    color: rgba(255, 255, 255, 0.05);
    font-size: clamp(6rem, 14vw, 12rem);
    font-weight: 800;
    line-height: 1;
    writing-mode: vertical-rl;
    pointer-events: none;
}

.contact-section {
    position: relative;
    max-width: 940px;
}

.contact-section__header {
    margin-bottom: 4rem;
    text-align: center;
}

.contact-section__title {
    font-size: clamp(3rem, 9vw, 6.8rem);
    line-height: 0.9;
}

.contact-section__subtitle {
    margin: 1rem 0 0;
    color: var(--secondary);
    font-size: 0.82rem;
}

.contact-form {
    display: grid;
    gap: 2.8rem;
}

.contact-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
}

.contact-form__field {
    display: block;
}

.contact-form__label {
    display: block;
    margin-bottom: 0.9rem;
    color: var(--secondary);
    font-size: 0.68rem;
}

.contact-form__input {
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--outline-strong);
    background: transparent;
    padding: 0 0 0.95rem;
    color: var(--primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 180ms ease;
}

.contact-form__textarea {
    resize: none;
}

.contact-form__input::placeholder {
    color: #5a5a5a;
}

.contact-form__input:focus {
    border-bottom-color: var(--primary);
}

.contact-form__actions {
    display: flex;
    justify-content: center;
    padding-top: 1rem;
}

.landing-button--submit {
    min-height: 4rem;
    padding-inline: 2rem;
}

.landing-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 3rem 2rem 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: var(--surface);
}

.landing-footer__brand {
    display: inline-flex;
    align-items: center;
    width: min(210px, 50vw);
}

.landing-footer__brand-logo {
    width: 100%;
    height: auto;
}

.landing-footer__brand-block {
    display: flex;
    flex-direction: column;
}

.landing-footer__copy {
    margin: 0.5rem 0 0;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.68rem;
}

.landing-footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.4rem;
}

.back-to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.4rem;
    height: 3.4rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(12, 12, 12, 0.86);
    color: var(--primary);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.24);
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.75rem);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.back-to-top:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.28);
}

.back-to-top .material-symbols-outlined {
    font-size: 1.4rem;
}

.back-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 1100px) {
    .landing-topbar {
        padding-inline: 1.5rem;
    }

    .landing-topbar__menu {
        display: none;
    }

    .about-section,
    .lesson-video-section,
    .reels-grid,
    .plans-grid,
    .services-grid,
    .tutorials-grid,
    .contact-form__grid {
        grid-template-columns: 1fr;
    }

    .tutorials-section__header {
        align-items: flex-start;
        flex-direction: column;
    }

    .service-card + .service-card {
        border-left: 1px solid rgba(71, 71, 71, 0.28);
        border-top: 0;
    }
}

@media (max-width: 767px) {
    .landing-shell {
        width: min(1320px, calc(100% - 1.5rem));
    }

    .landing-topbar,
    .landing-footer {
        padding-inline: 1rem;
    }

    .landing-topbar {
        gap: 0.75rem;
    }

    .landing-topbar__brand {
        width: min(112px, 32vw);
    }

    .landing-topbar__cta,
    .landing-button {
        min-height: 2.85rem;
        padding-inline: 1rem;
        font-size: 0.62rem;
    }

    .hero-section {
        min-height: auto;
        padding: 6.5rem 0 5rem;
    }

    .hero-section__inner {
        padding: 2rem 0 4.5rem;
    }

    .hero-section__title {
        font-size: clamp(3rem, 17vw, 5rem);
    }

    .hero-section__copy {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .hero-section__actions {
        flex-direction: column;
        gap: 1rem;
    }

    .landing-section {
        padding: 5.5rem 0;
    }

    .lesson-video-section__title,
    .plans-section__title,
    .tutorials-section__title {
        font-size: clamp(2.3rem, 11vw, 3.4rem);
    }

    .about-section {
        gap: 2.5rem;
    }

    .plans-section__header,
    .tutorials-section__header {
        margin-bottom: 3rem;
    }

    .plan-card,
    .tutorial-card {
        padding: 1.5rem;
    }

    .plan-card--featured {
        transform: none;
    }

    .about-section__ghost,
    .contact-section__ghost {
        display: none;
    }

    .about-section__facts {
        grid-template-columns: 1fr;
    }

    .reels-section__header {
        align-items: flex-start;
        flex-direction: column;
        margin-bottom: 3rem;
    }

    .reels-section__progress {
        width: 100%;
        flex-basis: auto;
    }

    .service-card {
        padding: 2.25rem 1.5rem;
    }

    .landing-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .landing-footer__brand {
        width: min(180px, 60vw);
    }

    .landing-footer__links {
        justify-content: flex-start;
    }

    .back-to-top {
        right: 1rem;
        bottom: 1rem;
        width: 3rem;
        height: 3rem;
    }
}