@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBM_Plex_Sans/IBMPlexSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Mono';
    src: url('../fonts/IBM_Plex_Mono/IBMPlexMono-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Mono';
    src: url('../fonts/IBM_Plex_Mono/IBMPlexMono-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

:root {
    --gray-100: #0a0a0a;
    --gray-90: #161616;
    --gray-80: #262626;
    --gray-70: #393939;
    --gray-50: #6f6f6f;
    --gray-30: #c6c6c6;
    --gray-10: #f4f4f4;
    --white: #ffffff;
    --accent: #fa5b04;
    --accent-dark: #c94803;
    --danger: #da1e28;
    --success: #176737;
    --surface: #f4f4f4;
    --surface-2: #ffffff;
    --border-subtle: rgba(255, 255, 255, 0.1);
    --border-light: rgba(0, 0, 0, 0.08);
    --font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --container-width: 1400px;
}

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

html{
    scroll-behavior: smooth;
}

body.presentation-dark {
    margin: 0;
    min-height: 100svh;
    font-family: var(--font);
    background: var(--gray-100);
    color: var(--white);
    line-height: 1.6;
    padding: 72px 24px 24px;
    -webkit-font-smoothing: antialiased;
    background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
}

body.presentation-dark a:not(.btn-primary):not(.btn-ghost):not(.btn-white-ghost):not(.presentation-button):not(.presentation-button-secondary):not(.presentation-button-danger):not(.presentation-download):not(.presentation-brand):not(.presentation-cta) {
    color: var(--accent);
    text-decoration-color: currentColor;
    text-underline-offset: 0.14em;
}

body.presentation-dark a:not(.btn-primary):not(.btn-ghost):not(.btn-white-ghost):not(.presentation-button):not(.presentation-button-secondary):not(.presentation-button-danger):not(.presentation-download):not(.presentation-brand):not(.presentation-cta):hover {
    color: var(--white);
}

.presentation-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 48px;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: rgba(22, 22, 22, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 32px;
}

.presentation-topbar-left {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    min-width: 0;
    flex: 1 1 auto;
}

.presentation-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.16px;
}

.presentation-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.presentation-links {
    display: flex !important;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
}

.presentation-links-left {
    justify-content: flex-start;
}

.presentation-links-right {
    justify-content: flex-end;
    margin-left: auto;
}

.presentation-links a,
.presentation-links button.presentation-link-button {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    padding: 0 16px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    border-left: 1px solid var(--border-subtle);
    background: transparent;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    cursor: pointer;
    font-family: var(--font);
}

.presentation-links a:hover,
.presentation-links button.presentation-link-button:hover {
    color: var(--white);
    background: var(--accent-dark);
}

.presentation-links .presentation-cta {
    background: var(--accent) !important;
    color: var(--white) !important;
    font-weight: 500 !important;
    border-left: none !important;
}

.presentation-links .presentation-cta:hover {
    background: var(--accent-dark) !important;
}

.presentation-links .presentation-lang-switch {
    gap: 8px;
    font-weight: 600;
    min-width: 76px;
    justify-content: center;
}

.presentation-links .presentation-lang-switch img {
    width: 18px;
    height: 18px;
    display: block;
    border-radius: 999px;
    flex: 0 0 auto;
}

.presentation-links .presentation-lang-switch span {
    line-height: 1;
}

.presentation-shell {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.presentation-grid {
    display: grid;
    gap: 24px;
    align-items: start;
}

.cols-2,
.cols-3,
.cols-4,
.cols-2-wide {
    display: grid;
}

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

.cols-2-wide {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

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

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

.grid-gap-2 {
    gap: 0px;
}

.grid-gap-24 {
    gap: 24px;
}

.grid-gap-32 {
    gap: 32px;
}

.align-start {
    align-items: start;
}

.align-center {
    align-items: center;
}

.mt-48 {
    margin-top: 48px;
}

.grid-frame-light {
    background: var(--border-light);
}

.grid-frame-dark {
    background: rgba(255, 255, 255, 0.06);
}

.presentation-grid-two {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
}

.presentation-panel {
    background: var(--surface-2);
    color: var(--gray-100);
    border: 1px solid var(--border-light);
    padding: 32px;
    box-shadow: 0 28px 56px rgba(0, 0, 0, 0.16);
}

.presentation-panel-dark {
    background: var(--gray-90);
    color: var(--white);
    border: 1px solid var(--border-subtle);
    box-shadow: none;
    position: relative;
}

.presentation-panel-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.presentation-eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.32px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.presentation-eyebrow::before {
    content: '';
    display: block;
    width: 16px;
    height: 1px;
    background: currentColor;
}

.presentation-panel-dark .presentation-eyebrow {
    color: rgba(255, 255, 255, 0.52);
}

.presentation-hero-title,
.presentation-section-title {
    margin-top: 0;
    margin-bottom: 16px;
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -1.3px;
}

.presentation-hero-title {
    font-size: clamp(40px, 5vw, 68px);
}

.presentation-section-title {
    font-size: clamp(28px, 3vw, 40px);
}

.presentation-hero-title strong,
.presentation-section-title strong {
    font-weight: 600;
}

.presentation-lead {
    color: rgba(255, 255, 255, 0.72);
    font-size: 18px;
    line-height: 1.75;
    font-weight: 300;
}

.presentation-copy,
.presentation-meta,
.presentation-empty {
    color: var(--gray-70);
    font-size: 14px;
    line-height: 1.7;
    font-weight: 300;
}

.presentation-list {
    display: grid;
    gap: 12px;
    margin-top: 28px;
}

.presentation-list-item {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.84);
    padding-top: 8px;
}

.presentation-alert {
    padding: 14px 16px;
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 1.55;
    border-left: 3px solid currentColor;
}

.presentation-alert-success {
    background: #edf7ee;
    color: var(--success);
}

.presentation-alert-error {
    background: #fff1f1;
    color: #a2191f;
}

.presentation-form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-70);
    margin-bottom: 8px;
}

.presentation-input,
.presentation-textarea {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    border: 1px solid #d0d7de;
    font: inherit;
    background: var(--white);
    color: var(--gray-100);
    margin-bottom: 16px;
}

.presentation-textarea {
    min-height: 120px;
    padding: 14px;
    resize: vertical;
}

.presentation-input:focus,
.presentation-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.presentation-button,
.presentation-button-secondary,
.presentation-button-danger,
.presentation-download {
    min-height: 48px;
    padding: 0 18px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--white);
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background .15s, border-color .15s;
}

.presentation-button:hover,
.presentation-download:hover,
.presentation-button-secondary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.presentation-button-block {
    width: 100%;
}

.presentation-button-secondary {
    background: transparent;
    color: var(--gray-100);
    border-color: #d0d7de;
}

.presentation-button-danger {
    background: var(--danger);
    border-color: var(--danger);
}

.presentation-button-danger:hover {
    background: #b81921;
    border-color: #b81921;
}

.presentation-code {
    display: block;
    margin-top: 10px;
    padding: 10px 12px;
    background: var(--gray-90);
    color: var(--white);
    font-family: var(--mono);
    font-size: 13px;
    word-break: break-all;
}

.presentation-card {
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--accent);
    padding: 22px;
    background: #fafafa;
    color: var(--gray-100);
}

.presentation-card-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.presentation-card h3,
.presentation-card strong {
    color: var(--gray-100);
}

.presentation-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    background: #fff3eb;
    color: var(--accent-dark);
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.24px;
}

.presentation-stack {
    display: grid;
    gap: 18px;
}

.presentation-item-list {
    display: grid;
    gap: 12px;
    margin-top: 16px;
}

.presentation-item {
    border: 1px solid #ececec;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    background: var(--white);
    color: var(--gray-100);
}

.presentation-item strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
    color: var(--gray-100);
}

.presentation-download {
    width: 100%;
    color: #ffffff !important;
}

.presentation-result {
    margin-top: 20px;
    padding: 18px;
    background: #f8f8f8;
    border: 1px solid #ececec;
}

.presentation-result-actions {
    margin-top: 16px;
}

.presentation-footer {
    background: var(--gray-100);
    border-top: 1px solid var(--border-subtle);
    padding: 28px 32px;
}

.presentation-footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.presentation-footer-brand {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.presentation-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.presentation-footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.presentation-footer-copy {
    font-family: var(--mono);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
}

.presentation-footer-note {
    flex: 0 0 100%;
    max-width: 720px;
    font-size: 12px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.72);
}

.mock-window,
.media-frame-dark {
    background: var(--gray-90);
    overflow: hidden;
    box-shadow: 0 48px 96px rgba(0, 0, 0, 0.5);
}

.mock-window img,
.media-frame-dark img {
    width: 100%;
    display: block;
}

.card {
    border: 1px solid var(--border-light);
}

.card-surface {
    background: var(--white);
    color: var(--gray-100);
}

.card-surface a{
    color: var(--accent);
}

.card-surface a:hover{
    color: var(--accent);
    text-decoration: none;
}


.card-muted {
    background: var(--gray-10);
    color: var(--gray-100);
}

.card-dark {
    background: var(--gray-90);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.08);
}

.card-pad-md {
    padding: 28px 24px;
}

.card-pad-lg {
    padding: 48px 40px;
}

.card-accent-left {
    border-left: 3px solid var(--border-light);
    transition: border-color 0.2s, background 0.2s;
}

.card-accent-left:hover {
    border-left-color: var(--accent-dark);
    background: #fafafa;
}

.card-stack {
    display: grid;
    gap: 14px;
}

.card-title-sm {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.2;
}

.card-copy {
    font-size: 15px;
    line-height: 1.7;
    font-weight: 300;
    color: var(--gray-70);
    margin-top: 15px;
}

.card-dark .card-copy {
    color: rgba(255, 255, 255, 0.9);
}

.meta-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.32px;
    text-transform: uppercase;
    color: var(--accent);
}

.meta-value {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.2;
}

.meta-note {
    font-size: 14px;
    color: var(--gray-50);
    font-weight: 300;
}

.stack-10 {
    display: grid;
    gap: 10px;
}

.stack-12 {
    display: grid;
    gap: 12px;
}

.stack-24 {
    display: grid;
    gap: 24px;
}

.stack-32 {
    display: grid;
    gap: 32px;
}

.stack-center {
    justify-items: center;
    text-align: center;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.divider-list {
    display: grid;
    gap: 12px;
}

.divider-item {
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.divider-item:first-child {
    border-top: none;
    padding-top: 0;
}

.divider-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-100);
    margin-bottom: 6px;
}

.divider-item p {
    font-size: 15px;
    color: var(--gray-70);
    line-height: 1.65;
}

.icon-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.icon-card-icon {
    flex: 0 0 auto;
    margin-top: 2px;
}

.icon-card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.2;
}

.icon-card-copy {
    font-size: 15px;
    line-height: 1.6;
    font-weight: 300;
}

.cta-band {
    background: var(--gray-90);
    padding: 80px 32px;
}

.cta-band-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 64px;
    align-items: center;
}

.cta-band h2 {
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 300;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 10px;
}

.cta-band h2 strong {
    font-weight: 600;
}

.cta-band-copy {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

.cta-note {
    font-family: var(--mono);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 12px;
}

.hero {
    background: var(--gray-100);
    min-height: 100svh;
    padding: 96px 32px 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-compact {
    min-height: auto;
    padding: 80px 32px;
}

hr::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

hr::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 48px;
}

.hero-copy {
    width: 100%;
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 24px;
}

.hero-copy .eyebrow {
    justify-content: center;
    margin-bottom: 0;
}

.hero-copy .hero-desc,
.hero-copy .check-list,
.hero-copy .hero-actions,
.hero-copy .meta-inline,
.hero-copy .note-copy {
    margin-left: auto;
    margin-right: auto;
}

h1,
.presentation-hero-title {
    font-size: clamp(48px, 7vw, 84px);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -2px;
}

.hero h1,
.presentation-hero-title {
    color: var(--white);
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 32px;
    font-weight: 300;
    max-width: 1020px;
    text-wrap: balance;
}

.hero-desc:last-child {
    margin-bottom: 0;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.check-list,
.hero-checks {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.check-item,
.hero-check {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.check-icon,
.check-item img,
.hero-check img {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    display: block;
}

.check-item.is-plus .check-icon,
.check-item.is-plus img,
.hero-check img,
.check-icon.is-plus {
    filter: invert(56%) sepia(85%) opacity(1) saturate(518%) hue-rotate(85deg) brightness(101%) contrast(101%);
}

.check-item.is-minus .check-icon,
.check-item.is-minus img,
.check-icon.is-minus {
    filter: brightness(0) saturate(100%) invert(49%) sepia(94%) saturate(3417%) hue-rotate(8deg) brightness(102%) contrast(105%);
}

.btn-primary,
.btn-ghost,
.btn-white-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    padding: 14px 24px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--font);
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn-with-icon img {
    width: 18px;
    height: 18px;
    display: block;
}

.btn-with-icon.is-light img {
    filter: brightness(0) invert(1);
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.btn-ghost {
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.1);
}

.btn-white-ghost {
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-white-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.6);
}

.section-light,
.s-light {
    background: var(--surface);
    padding: 80px 32px;
    border-top: 1px solid var(--border-light);
}

.section-white,
.s-white {
    background: var(--surface-2);
    padding: 80px 32px;
    border-top: 1px solid var(--border-light);
}

.section-dark,
.s-dark {
    background: var(--gray-100);
    padding: 80px 32px;
    color: var(--white);
}

.s-dark a:not(.btn-primary):not(.btn-ghost):not(.btn-white-ghost):not(.presentation-button):not(.presentation-button-secondary):not(.presentation-button-danger):not(.presentation-download):not(.presentation-brand):not(.presentation-cta) {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-color: currentColor;
    text-underline-offset: 0.14em;
}

.s-dark a:not(.btn-primary):not(.btn-ghost):not(.btn-white-ghost):not(.presentation-button):not(.presentation-button-secondary):not(.presentation-button-danger):not(.presentation-download):not(.presentation-brand):not(.presentation-cta):hover {
    color: var(--gray-100) !important;
    text-decoration: underline;
    text-decoration-color: currentColor;
    text-underline-offset: 0.14em;
}


.container,
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-stack {
    display: grid;
    gap: 24px;
}

.section-tight-top {
    padding-top: 0;
}

.eyebrow,
.section-eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: 0.32px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.eyebrow::before,
.section-eyebrow::before {
    content: '';
    display: block;
    width: 16px;
    height: 1px;
    background: currentColor;
}

.sec-title,
.section-title-lg {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    margin-top: 24px;
}

.sec-title strong,
.section-title-lg strong {
    font-weight: 500;
}

.sec-sub,
.section-subtitle {
    font-size: 20px;
    line-height: 1.6;
    font-weight: 300;
    max-width: 720px;
    color: var(--gray-70);
    margin-bottom: 32px;
}

.meta-inline {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
}

.meta-inline-light {
    color: rgba(255, 255, 255, 0.72);
}

.note-copy {
    font-size: 14px;
    line-height: 1.7;
    max-width: 860px;
}

.note-copy.is-muted-light {
    color: rgba(255, 255, 255, 0.66);
}

.media-video {
    width: 100%;
    display: block;
    background: #000;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.content-narrow {
    max-width: 980px;
    margin: 0 auto;
    width: 100%;
}

.display-price {
    font-size: clamp(42px, 5vw, 64px);
    line-height: 1;
    letter-spacing: -1.6px;
    font-weight: 600;
}

.copy-light {
    color: rgba(255, 255, 255, 0.74);
    font-size: 18px;
    line-height: 1.75;
    font-weight: 300;
}

.feature-list-compact {
    display: grid;
    gap: 12px;
}

.embed-shell {
    min-height: 220px;
    display: grid;
    align-items: center;
}

.checkout-shell {
    min-height: 560px;
    padding: 42px 0;
}

.direct-checkout {
    width: min(100%, 860px);
    margin: 0 auto;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    padding: 28px 0;
}

.direct-checkout-email {
    width: min(100% - 48px, 720px);
    margin: 0 auto;
    padding: 20px 0 22px;
    display: grid;
    gap: 16px;
    color: var(--gray-100);
}

.direct-checkout-heading {
    font-size: 16px;
    font-weight: 650;
    text-align: center;
}

.direct-checkout-name-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.direct-checkout-email label,
.direct-checkout-email-field {
    display: grid;
    gap: 7px;
    font-size: 14px;
    font-weight: 600;
}

.direct-checkout-email-row {
    display: grid;
}

.direct-checkout-email .presentation-input {
    width: 100%;
}

.direct-checkout-action-row {
    display: flex;
    justify-content: center;
}

.direct-checkout-action-row .btn-primary {
    min-width: 220px;
}

.direct-checkout-error {
    color: #b42318;
    font-size: 13px;
    text-align: center;
}

.direct-checkout-frame {
    width: 100%;
    min-height: 560px;
    overflow: hidden;
    background: var(--white);
}

.direct-checkout-frame[hidden],
.direct-checkout-email[hidden] {
    display: none;
}

.direct-checkout-note {
    margin-top: 14px;
    color: rgba(255, 255, 255, 0.72);
}

.notice-panel {
    padding: 18px 20px;
    border-left: 3px solid var(--accent);
    font-size: 14px;
    line-height: 1.7;
}

.notice-panel-dark {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.88);
}

.prose {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    gap: 22px;
}

.prose section {
    display: grid;
    gap: 8px;
}

.prose h2 {
    margin: 0 0 8px;
    font-size: 24px;
    line-height: 1.2;
    font-weight: 600;
}

.prose p,
.prose li {
    font-size: 15px;
    line-height: 1.8;
    font-weight: 300;
}

.prose ul {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 6px;
}

.prose-article p,
.prose-article li {
    font-size: 20px;
    line-height: 1.85;
}

.prose-article p{
    margin-block-start: 0.5em;
    margin-block-end: 0.5em;
}

.prose-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
}

.prose-article td {
    padding: 0.55em 0.8em;
    font-size: 18px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.82);
}

.prose-article td:last-child {
    text-align: right;
    white-space: nowrap;
}

.prose-article tr:last-child td {
    border-bottom: none;
}

.prose-article .lead {
    font-size: 20px;
    font-weight: 400;
    opacity: 0.9;
}

.article-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 20px;
}

.article-list-item {
    margin: 0;
}

.article-list-link {
    display: block;
    padding: 28px 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    background: rgba(255, 255, 255, 0.02);
    text-decoration: none;
    color: inherit;
    text-decoration: none;
    color: var(--white);
}

.article-list-link:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
}

.article-list-date {
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0.6;
    margin-bottom: 8px;
}

.article-list-title {
    font-size: 24px;
    line-height: 1.25;
    font-weight: 600;
    margin: 0 0 10px;
    color: var(--white);
}

.article-list-perex {
    font-size: 17px;
    line-height: 1.7;
    margin: 0 0 14px;
    opacity: 0.82;
}

.article-list-cta {
    display: inline-block;
    font-size: 15px;
    font-weight: 500;
    opacity: 0.85;
}

.article-list-link:hover .article-list-cta {
    opacity: 1;
}

.hero-lead {
    font-size: 18px;
    line-height: 1.6;
    max-width: 680px;
    opacity: 0.85;
    margin-top: 14px;
}

.article-back {
    margin-top: 36px;
    text-align: left;
}

.article-cta-playground .article-list-link {
    text-align: center;
}

.prose-light h2,
.prose-light strong {
    color: var(--white);
}

.prose-light p,
.prose-light li {
    color: rgba(255, 255, 255, 0.82);
}

.s-dark .sec-title,
.section-dark .section-title-lg,
.s-dark .section-title-lg {
    color: var(--white);
}

.s-dark .sec-sub,
.section-dark .section-subtitle,
.s-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.s-dark .card-surface .sec-title,
.s-dark .card-muted .sec-title,
.s-dark .card-surface .section-title-lg,
.s-dark .card-muted .section-title-lg,
.card-surface .sec-title,
.card-muted .sec-title,
.card-surface .section-title-lg,
.card-muted .section-title-lg {
    color: var(--gray-100);
}

.s-dark .card-surface .sec-sub,
.s-dark .card-muted .sec-sub,
.s-dark .card-surface .section-subtitle,
.s-dark .card-muted .section-subtitle,
.card-surface .sec-sub,
.card-muted .sec-sub,
.card-surface .section-subtitle,
.card-muted .section-subtitle {
    color: var(--gray-70);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 48px;
    background: rgba(255, 255, 255, 0.06);
}

.step-card {
    background: var(--gray-90);
    padding: 28px 20px;
}

.step-n {
    font-family: var(--mono);
    font-size: 28px;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 16px;
}

.step-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
}

.step-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.55;
    font-weight: 300;
}

.step-card code {
    font-family: var(--mono);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.08);
    padding: 1px 5px;
    color: #3ddbd9;
}

.ai-support-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    min-width: 0;
}

.ai-support-card {
    display: grid;
    gap: 18px;
    align-content: start;
    min-width: 0;
}

.ai-guide-step {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    min-width: 0;
}

.ai-guide-step > div {
    min-width: 0;
}

.ai-support-card .section-title-lg {
    margin: 0;
}

.ai-guide-step .section-title-lg {
    margin: 0;
}

.ai-support-card .card-copy {
    margin-top: 0;
}

.ai-guide-step .card-copy {
    margin-top: 14px;
}

.ai-prompt-block {
    position: relative;
    margin: 0;
    padding: 48px 18px 18px;
    background: var(--gray-10);
    border: 1px solid var(--border-light);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    font-family: var(--mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray-100);
    min-width: 0;
    max-width: 100%;
}

.ai-prompt-block code {
    font: inherit;
    color: inherit;
}

.ai-prompt-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    color: #fff;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 0;
    cursor: pointer;
    transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.ai-prompt-copy:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.ai-prompt-copy.is-copied {
    color: #fff;
    background: #16a34a;
    border-color: #16a34a;
}

.ai-support-page {
    overflow-x: clip;
}

.ai-support-page .presentation-hero-title,
.ai-support-page .hero-desc,
.ai-support-page .sec-title,
.ai-support-page .sec-sub,
.ai-support-page .card-copy,
.ai-support-page .divider-item p,
.ai-support-page .feature-item {
    overflow-wrap: anywhere;
    word-break: normal;
}

.split-cta-grid,
.install-cta-grid {
    margin-top: 48px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.split-cta-block,
.install-cta-block {
    display: grid;
    gap: 14px;
    justify-items: start;
}

.pricing-features,
.feature-list {
    display: grid;
    gap: 14px;
    margin-bottom: 24px;
}

.pricing-feature,
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    line-height: 1.6;
    color: #20263d;
}

.pricing-feature-icon,
.feature-icon {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pricing-feature-icon img,
.feature-icon img {
    width: 16px;
    height: 16px;
    display: block;
}

.pricing-feature-icon.is-plus img,
.feature-icon.is-plus img {
    filter: brightness(0) saturate(100%) invert(39%) sepia(88%) saturate(688%) hue-rotate(88deg) brightness(95%) contrast(88%);
}

.pricing-feature-icon.is-minus img,
.feature-icon.is-minus img {
    filter: brightness(0) saturate(100%) invert(49%) sepia(94%) saturate(3417%) hue-rotate(8deg) brightness(102%) contrast(105%);
}

@media (max-width: 980px) {
    .presentation-grid-two {
        grid-template-columns: 1fr;
    }
    .cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .steps-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    body.presentation-dark {
        padding: 64px 16px 16px;
    }
    .presentation-topbar,
    .presentation-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
    .presentation-topbar-left {
        gap: 0;
    }
    .presentation-panel,
    .presentation-panel-dark {
        padding: 24px;
    }
    .presentation-card-head,
    .presentation-item,
    .presentation-footer-inner {
        flex-direction: column;
        align-items: stretch;
    }
    .presentation-button,
    .presentation-button-secondary,
    .presentation-button-danger,
    .presentation-download {
        width: 100%;
    }
    .cols-2,
    .cols-3,
    .cols-4,
    .cols-2-wide {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 80px 20px 64px;
        min-height: auto;
    }
    .hero-compact {
        padding: 36px 24px;
    }
    .section-light,
    .section-white,
    .section-dark,
    .s-light,
    .s-white,
    .s-dark {
        padding: 64px 20px;
    }
    .split-cta-grid,
    .install-cta-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .ai-support-grid {
        grid-template-columns: 1fr;
    }

    .ai-guide-step {
        grid-template-columns: 1fr;
    }
    .check-list,
    .meta-inline {
        flex-direction: column;
        align-items: center;
        gap: 14px;
    }
    .split-cta-block,
    .install-cta-block {
        justify-items: stretch;
    }
    .split-cta-block .btn-primary,
    .split-cta-block .btn-white-ghost,
    .install-cta-block .btn-primary,
    .install-cta-block .btn-white-ghost {
        width: 100% !important;
    }
    .button-row {
        flex-direction: column;
        align-items: stretch;
    }
    .button-row a {
        width: 100%;
    }
    .cta-band {
        padding: 64px 20px;
    }
    .cta-band-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

.margin-bottom-0 {
    margin-bottom: 0;
}

.padding-bottom-0 {
    padding-bottom: 0;
}

.s-white .sec-title,
.s-light .sec-title,
.s-light h3 {
    color: var(--gray-100);
}

/* Mobile offcanvas menu */
.mobile-menu-toggle {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    padding: 0;
    margin-left: 8px;
    background: transparent;
    border: 1px solid var(--gray-70);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.mobile-menu-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
body.mobile-menu-open .mobile-menu-toggle .mobile-menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
body.mobile-menu-open .mobile-menu-toggle .mobile-menu-toggle-bar:nth-child(2) {
    opacity: 0;
}
body.mobile-menu-open .mobile-menu-toggle .mobile-menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.25s ease;
}
body.mobile-menu-open .mobile-menu-backdrop {
    display: block;
    opacity: 1;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    height: 100svh;
    width: 95vw;
    max-width: 480px;
    background: var(--gray-100);
    border-left: 1px solid var(--gray-80);
    z-index: 999;
    padding: calc(24px + env(safe-area-inset-top, 0px)) 24px calc(32px + env(safe-area-inset-bottom, 0px));
    flex-direction: column;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.28s ease;
}
body.mobile-menu-open .mobile-menu {
    transform: translateX(0);
}
body.mobile-menu-open {
    overflow: hidden;
}

.mobile-menu-close {
    position: absolute;
    top: max(12px, env(safe-area-inset-top, 0px));
    right: 16px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-top {
    display: flex;
    flex-direction: column;
    margin-top: 16px;
}

.mobile-menu-bottom {
    display: flex;
    flex-direction: column;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--gray-80);
}

.mobile-menu-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    padding: 8px 0 20px;
}

.mobile-menu a,
.mobile-menu button.presentation-link-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 4px;
    font-size: 17px;
    color: var(--gray-30);
    text-decoration: none;
    border: none;
    border-bottom: 1px solid var(--gray-80);
    background: transparent;
    text-align: left;
    cursor: pointer;
}
.mobile-menu a:hover,
.mobile-menu button.presentation-link-button:hover {
    color: var(--accent);
}
.mobile-menu .presentation-cta {
    justify-content: center;
    padding: 14px 18px;
    margin: 12px 0;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}
.mobile-menu .presentation-cta:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    color: #fff;
}
.mobile-menu .presentation-lang-switch {
    padding: 14px 4px;
}

.mobile-menu-lang {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 8px;
    margin-right: 56px;
}

.mobile-menu-lang .presentation-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--gray-80);
    border-radius: 999px;
    color: var(--gray-30);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
}

.mobile-menu-lang .presentation-lang-switch img {
    width: 18px;
    height: 18px;
    display: block;
    border-radius: 999px;
    flex: 0 0 auto;
}

.mobile-menu-lang .presentation-lang-switch:hover {
    color: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 1100px) {
    .presentation-links {
        display: none !important;
    }
    .mobile-menu-toggle {
        display: inline-flex;
    }
    .mobile-menu {
        display: flex;
    }
}