:root {
    --zinc-50: #fafafa;
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-500: #71717a;
    --zinc-600: #52525b;
    --zinc-800: #27272a;
    --zinc-900: #18181b;
    --white: #ffffff;

    --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Shrink the board on narrow viewports so chess elements never overflow.
   The engine's default is 400px; cap it to the viewport minus container +
   preview-panel padding so boards always fit. */
@media (max-width: 640px) {
    :root {
        --board-size: min(400px, calc(100vw - 5rem));
    }
}

html {
    scroll-behavior: smooth;
    /* Sticky nav is 4rem tall — keep anchor targets out from under it. */
    scroll-padding-top: 4rem;
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--zinc-900);
    line-height: 1.5;
    min-height: 100vh;
}

/* Layout Utilities */
.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) { .container { max-width: 640px; } }
@media (min-width: 768px) { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }

/* Navigation */
.nav-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    border-bottom: 1px solid var(--zinc-100);
    background-color: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.nav-container {
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.nav-logo-icon {
    background-color: var(--zinc-900);
    color: var(--white);
    padding: 0.375rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        align-items: center;
        gap: 2rem;
        font-size: 0.875rem;
        font-weight: 500;
        color: var(--zinc-600);
    }
}

.nav-link {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--zinc-900);
}

.nav-link.active {
    color: var(--zinc-900);
    font-weight: 600;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-button {
    background-color: var(--zinc-900);
    color: var(--white);
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s;
}

.nav-button:hover {
    background-color: var(--zinc-800);
}

.icon-button {
    padding: 0.5rem;
    border-radius: 9999px;
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-button:hover {
    background-color: var(--zinc-100);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: 5rem;
    padding-bottom: 8rem;
    overflow: hidden;
}

.hero-content {
    max-width: 56rem;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    border: 1px solid var(--zinc-200);
    padding: 0.25rem 1rem;
    font-size: 1rem;
    color: var(--zinc-500);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-badge img {
    height: 1rem;
    width: 1rem;
    margin-right: .25rem;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 0.9;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 6rem;
    }
}

.hero-title span {
    color: var(--zinc-400);
}

.brightness-0 {
    filter: brightness(0);
}

.invert {
    filter: invert(1);
}

.mobile-break {
    display: block;
}

@media (min-width: 640px) {
    .mobile-break {
        display: none;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--zinc-500);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.625;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
    }
}

.button-primary {
    background-color: var(--zinc-900);
    color: var(--white);
    border-radius: 9999px;
    padding: 0 2rem;
    height: 3.5rem;
    font-size: 1.125rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: background-color 0.2s;
}

.button-primary:hover {
    background-color: var(--zinc-800);
}

.button-secondary {
    color: var(--zinc-900);
    border: 1px solid var(--zinc-200);
    border-radius: 9999px;
    padding: 0 2rem;
    height: 3.5rem;
    font-size: 1.125rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background-color 0.2s;
}

.button-secondary:hover {
    background-color: var(--zinc-50);
}

.hero-bg-decor {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    z-index: -10;
    pointer-events: none;
}

.blur-circle-1 {
    position: absolute;
    top: 25%;
    left: 25%;
    width: 16rem;
    height: 16rem;
    background-color: var(--zinc-100);
    border-radius: 9999px;
    filter: blur(64px);
    opacity: 0.5;
}

.blur-circle-2 {
    position: absolute;
    bottom: 25%;
    right: 25%;
    width: 24rem;
    height: 24rem;
    background-color: var(--zinc-50);
    border-radius: 9999px;
    filter: blur(64px);
    opacity: 0.5;
}

/* Features Grid */
.features-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
    background-color: var(--zinc-50);
    border-top: 1px solid var(--zinc-100);
    border-bottom: 1px solid var(--zinc-100);
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-icon-wrapper {
    height: 3rem;
    width: 3rem;
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--zinc-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
}

.feature-description {
    color: var(--zinc-500);
    line-height: 1.625;
    font-size: 0.875rem;
    margin: 0;
}

/* Reference Section */
.reference-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 6rem;
    border-top: 1px solid var(--zinc-100);
}

.section-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3.75rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--zinc-500);
    line-height: 1.625;
}

.element-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.element-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--zinc-200);
    padding-bottom: 1rem;
}

.element-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 0;
}

.element-header code {
    color: var(--zinc-400);
}

.element-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

.element-grid > * {
    min-width: 0;
}

@media (min-width: 768px) {
    .element-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.element-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.text-zinc-600 {
    color: var(--zinc-600);
}

.code-inline {
    background-color: var(--zinc-100);
    padding-left: 0.25rem;
    padding-right: 0.25rem;
    border-radius: 0.25rem;
}

.code-block {
    background-color: var(--zinc-900);
    color: var(--zinc-300);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    overflow-x: auto;
    white-space: pre;
    max-width: 100%;
}

.cp-error {
    color: #dc2626;
    font-family: var(--font-mono);
    white-space: pre-wrap;
    padding: 0.5rem;
    border: 1px solid #dc2626;
    border-radius: 0.375rem;
    margin: 1rem 0;
    background-color: #fee2e2;
}

.preview-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.preview-container > .pgn-container {
    width: 100%;
    max-width: var(--board-size, 400px);
    box-sizing: border-box;
    padding-left: 0;
    padding-right: 0;
}

.board-wrapper {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1 / 1;
    box-shadow: var(--shadow-md);
    border-radius: 0.5rem;
    overflow: hidden;
    border: 4px solid var(--zinc-800);
    background-color: #f0f0f0;
    display: block;
}

.preview-label {
    font-size: 0.875rem;
    color: var(--zinc-500);
    font-weight: 500;
    font-style: italic;
}

/* Sandbox Section */
.sandbox-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    border-top: 1px solid var(--zinc-100);
}

.sandbox-container {
    width: 100%;
    max-width: 64rem;
    margin-left: auto;
    margin-right: auto;
}

.tab-list {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 2rem;
    background-color: var(--zinc-100);
    padding: 0.25rem;
    border-radius: 0.5rem;
}

.tab-trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    background: transparent;
}

.tab-trigger.active {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    color: var(--zinc-900);
}

.tab-trigger:not(.active) {
    color: var(--zinc-500);
}

.tab-trigger:hover:not(.active) {
    color: var(--zinc-900);
}

.tab-content {
    display: block;
}

.tab-content.hidden {
    display: none;
}

.sandbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .sandbox-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
}

.card {
    background-color: var(--white);
    border: 1px solid var(--zinc-200);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--zinc-100);
}

.card-header h3 {
    font-weight: 700;
    margin: 0;
}

.card-header p {
    font-size: 0.875rem;
    color: var(--zinc-500);
    margin: 0.25rem 0 0 0;
}

.card-body {
    padding: 1.5rem;
}

.card-body.space-y-4 > * + * {
    margin-top: 1rem;
}

.textarea {
    width: 100%;
    font-family: var(--font-mono);
    padding: 0.75rem;
    border: 1px solid var(--zinc-200);
    border-radius: 0.375rem;
    resize: vertical;
    box-sizing: border-box;
}

.textarea:focus {
    outline: none;
    border-color: var(--zinc-900);
    box-shadow: 0 0 0 2px rgba(24, 24, 27, 0.1);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label {
    font-size: 0.875rem;
    font-weight: 500;
}

.label .required {
    color: #dc2626;
    font-weight: 700;
    margin-left: 0.125rem;
}

.label .optional {
    color: var(--zinc-400);
    font-weight: 400;
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.button-inline {
    background: transparent;
    border: 1px solid var(--zinc-200);
    color: var(--zinc-700);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}

.button-inline:hover {
    background-color: var(--zinc-100);
    border-color: var(--zinc-300);
}

.field-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 640px) {
    .field-grid-2 {
        grid-template-columns: 1fr;
    }
}

.input {
    width: 100%;
    font-family: var(--font-mono);
    padding: 0.5rem;
    border: 1px solid var(--zinc-200);
    border-radius: 0.375rem;
    box-sizing: border-box;
}

.button-full {
    width: 100%;
    background-color: var(--zinc-900);
    color: var(--white);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button-full:hover {
    background-color: var(--zinc-800);
}

.button-secondary-full {
    width: 100%;
    background-color: var(--white);
    color: var(--zinc-900);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    border: 1px solid var(--zinc-200);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    margin-top: 1rem;
}

.button-secondary-full:hover {
    background-color: var(--zinc-50);
    border-color: var(--zinc-300);
}

.sandbox-code-wrap {
    position: relative;
    width: 100%;
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sandbox-code {
    background-color: var(--zinc-900);
    color: var(--zinc-100);
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.45;
    max-height: 18rem;
    overflow: auto;
    white-space: pre;
    margin: 0;
}

.sandbox-code code {
    font-family: inherit;
    color: inherit;
    background: none;
    padding: 0;
}

.preview-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    padding: 2rem;
    background-color: var(--zinc-50);
    border-radius: 0.75rem;
    border: 1px solid var(--zinc-100);
}

.sandbox-host {
    width: 100%;
    max-width: calc(var(--board-size, 400px) + 2rem);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sandbox-host > .fen-container,
.sandbox-host > .cp-puzzle {
    width: 100%;
    max-width: var(--board-size, 400px);
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
}

.sandbox-host > .pgn-container {
    width: 100%;
    max-width: calc(var(--board-size, 400px) + 2rem);
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
}

.sandbox-host > pgn-player {
    width: 100%;
    max-width: calc(var(--board-size, 400px) + 10px);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--zinc-700);
    cursor: pointer;
}

.checkbox-row input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

/* Mobile-first: tighten sandbox layout on narrow viewports */
@media (max-width: 640px) {
    .sandbox-section,
    .sandbox-section * {
        max-width: 95vw;
    }

    .sandbox-section {
        padding-top: 2rem;
        padding-bottom: 2rem;
        gap: 2rem;
    }

    .sandbox-grid {
        gap: 1.25rem;
    }

    .tab-list {
        margin-bottom: 1.25rem;
    }

    .tab-trigger {
        padding: 0.5rem 0.25rem;
    }

    .card-header,
    .card-body {
        padding: 1rem;
    }

    .preview-panel {
        padding: 1rem;
        gap: 0.5rem;
    }

    .sandbox-host {
        max-width: 100%;
    }

    .sandbox-host > .fen-container,
    .sandbox-host > .cp-puzzle,
    .sandbox-host > .pgn-container,
    .sandbox-host > pgn-player {
        max-width: 100%;
    }

    .sandbox-code {
        font-size: 0.75rem;
        padding: 0.75rem;
    }
}

/* Setup Section */
.setup-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    border-top: 1px solid var(--zinc-100);
}

.setup-container {
    width: 100%;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.setup-card {
    background-color: var(--white);
    border: 1px solid var(--zinc-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.setup-card-title {
    font-weight: 700;
    font-size: 1.125rem;
    margin: 0 0 0.5rem 0;
}

.setup-card-description {
    color: var(--zinc-600);
    font-size: 0.9375rem;
    margin: 0 0 1rem 0;
}

.setup-card-description:last-child {
    margin-bottom: 0;
}

.setup-subsection {
    margin-top: 1.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--zinc-100);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.5rem 0;
}

.setup-steps {
    counter-reset: setup-step;
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.setup-steps > li {
    counter-increment: setup-step;
    position: relative;
    padding-left: 2.5rem;
    color: var(--zinc-700);
    line-height: 1.6;
}

.setup-steps > li::before {
    content: counter(setup-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.75rem;
    height: 1.75rem;
    background-color: var(--zinc-900);
    color: var(--white);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.setup-steps strong {
    color: var(--zinc-900);
    font-weight: 600;
}

.setup-steps .code-block {
    margin-top: 0.75rem;
}

.setup-footnote {
    color: var(--zinc-600);
    font-size: 0.9375rem;
    margin: 0;
    padding: 1rem 1.25rem;
    background-color: var(--zinc-50);
    border-left: 3px solid var(--zinc-300);
    border-radius: 0.375rem;
}

.setup-link {
    color: var(--zinc-900);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.setup-link:hover {
    color: var(--zinc-600);
}

/* Footer */
.footer {
    padding-top: 3rem;
    padding-bottom: 3rem;
    border-top: 1px solid var(--zinc-100);
    margin-top: 6rem;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo-icon {
    background-color: var(--zinc-900);
    color: var(--white);
    padding: 0.25rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-text {
    font-weight: 700;
    letter-spacing: -0.025em;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.875rem;
    color: var(--zinc-500);
}

.footer-link {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--zinc-900);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--zinc-50);
    text-align: center;
    font-size: 0.875rem;
    color: var(--zinc-400);
}

/* Utility Classes */
.h-4 { height: 1rem; }
.w-4 { width: 1rem; }
.h-5 { height: 1.25rem; }
.w-5 { width: 1.25rem; }
.h-6 { height: 1.5rem; }
.w-6 { width: 1.5rem; }

.opacity-40 { opacity: 0.4; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }

.hidden { display: none; }

@media (min-width: 640px) {
    .sm\:inline { display: inline; }
}

/* Video Showcase Section */
.video-showcase-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
    border-top: 1px solid var(--zinc-100);
    border-bottom: 1px solid var(--zinc-100);
    margin: 2rem 0;
}

.video-showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.video-showcase-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.video-showcase-title {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--zinc-900);
    margin: 0;
}

.video-showcase-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--zinc-600);
    margin: 0;
}

.video-showcase-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    background-color: var(--zinc-900);
}

.video-showcase-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0.75rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .video-showcase-section {
        padding: 2rem 0;
        margin: 1rem 0;
    }

    .video-showcase-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .video-showcase-title {
        font-size: 1.5rem;
    }

    .video-showcase-description {
        font-size: 0.95rem;
    }
}