:root {
    color-scheme: dark;
    --page-bg: #07111f;
    --panel-bg: rgba(10, 18, 34, 0.72);
    --panel-border: rgba(255, 255, 255, 0.12);
    --panel-soft: rgba(255, 255, 255, 0.08);
    --text-primary: #f4f7ff;
    --text-secondary: rgba(236, 240, 255, 0.78);
    --text-muted: rgba(221, 228, 255, 0.58);
    --blue: #2b7cff;
    --blue-soft: #64b1ff;
    --ruby: #ff4d67;
    --ruby-soft: #ff7f7f;
    --sun: #ffd447;
    --ink: #07111f;
    --mint: #5ef6dc;
    --shadow-deep: 0 24px 70px rgba(2, 8, 20, 0.46);
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.2);
    --max-width: 1200px;
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 999px;
    --transition-fast: 180ms ease;
    --transition-slow: 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: "Manrope", "Avenir Next", "Helvetica Neue", sans-serif;
    color: var(--text-primary);
    background:
        radial-gradient(circle at top left, rgba(86, 135, 255, 0.48), transparent 30%),
        radial-gradient(circle at top right, rgba(86, 246, 220, 0.16), transparent 28%),
        radial-gradient(circle at 20% 80%, rgba(255, 88, 120, 0.28), transparent 30%),
        linear-gradient(180deg, #0a1430 0%, #08111e 52%, #04070d 100%);
}

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

/* Page frame */
.page-shell {
    position: relative;
    overflow: hidden;
}

.page-noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.08;
    background-image:
        linear-gradient(transparent 0, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, transparent 0, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 160px 160px;
    mask-image: radial-gradient(circle at center, black, transparent 84%);
}

.section {
    width: min(var(--max-width), calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0;
}

.eyebrow {
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 1rem;
    font-weight: 800;
    color: var(--mint);
}

.section-heading {
    max-width: 700px;
    margin-bottom: 60px;
}

.section-heading h2 {
    margin: 0;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: clamp(2.35rem, 4.8vw, 4rem);
    line-height: 0.98;
}

.section-heading p:last-child {
    margin: 14px 0 0;
    color: var(--text-secondary);
    font-size: 1.03rem;
    line-height: 1.7;
}

/* Header */
.site-header {
    position: sticky;
    top: 14px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: min(var(--max-width), calc(100% - 40px));
    margin: 18px auto 0;
    padding: 50px 0 8px;
    padding: 50px 0 8px;
    backdrop-filter: blur(18px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    display: inline-flex;
    width: 128px;
    height: 128px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(43, 124, 255, 0.24);
}

.brand-mark img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-copy strong {
    font-size: 1.08rem;
}

.brand-copy span:last-child {
    color: var(--text-muted);
    font-size: 0.96rem;
}

.site-nav {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: 10px 18px;
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-sm);
    background: rgba(12, 18, 31, 0.44);
}

.site-nav a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.locale-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.locale-button {
    min-width: 46px;
    border: 0;
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    color: var(--text-secondary);
    background: transparent;
    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.locale-button.is-active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.16);
}

.header-cta {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
    transition:
        transform var(--transition-fast),
        background var(--transition-fast);
}

.header-cta:hover,
.header-cta:focus-visible {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.14);
}

/* Hero */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
    gap: 38px;
    min-height: auto;
    align-items: center;
    padding-top: 9px;
    padding-bottom: 12px;
}

.hero-copy h1 {
    margin: 0;
    max-width: 11ch;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: clamp(3.2rem, 8vw, 6.3rem);
    line-height: 0.92;
    letter-spacing: -0.05em;
}

.hero-lead {
    max-width: 630px;
    margin: 22px 0 0;
    color: var(--text-secondary);
    font-size: 1.16rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast);
}

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

.button-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--ruby) 100%);
    box-shadow: 0 14px 34px rgba(43, 124, 255, 0.26);
}

.button-secondary {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    margin: 26px 0 0;
    list-style: none;
}

.hero-badges li {
    padding: 9px 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.hero-stage {
    position: relative;
}

.hero-stage-panel,
.glow-panel,
.plain-panel,
.cta-panel,
.value-card,
.style-card,
.workflow-step,
.faq-item {
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-deep);
}

.hero-stage-panel {
    position: relative;
    overflow: hidden;
    padding: 26px;
    border-radius: var(--radius-xl);
}

.hero-stage-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.18), transparent 20%),
        radial-gradient(circle at 90% 30%, rgba(255, 212, 71, 0.2), transparent 18%),
        linear-gradient(160deg, rgba(43, 124, 255, 0.22), rgba(255, 77, 103, 0.14));
    opacity: 0.9;
}

.hero-stage-panel > * {
    position: relative;
    z-index: 1;
}

.menubar-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(4, 8, 15, 0.48);
}

.menubar-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 18px rgba(94, 246, 220, 0.5);
}

.menubar-label {
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    letter-spacing: 0.02em;
}

.menubar-fill {
    flex: 1 1 auto;
}

.cursor-playground {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 380px;
}

.hover-card {
    position: absolute;
    padding: 16px 18px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
}

.hover-card p,
.hover-card span {
    display: block;
}

.hover-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hover-card span {
    margin-top: 6px;
    font-weight: 700;
}

.hover-card-top {
    top: 124px;
    right: 8px;
    left: auto;
    transform: rotate(5deg);
}

.hover-card-bottom {
    right: 24px;
    bottom: 24px;
    transform: rotate(6deg);
}

/* Shared cursor object */
.cursor-card,
.cursor-mini {
    position: relative;
    display: inline-grid;
    place-items: center;
}

.cursor-hero {
    width: min(100%, 450px);
    aspect-ratio: 0.84;
    animation: float-cursor 5.4s ease-in-out infinite;
}

.cursor-mini {
    width: 160px;
    aspect-ratio: 0.84;
}

.cursor-asset {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    filter:
        drop-shadow(0 18px 26px rgba(0, 0, 0, 0.28))
        drop-shadow(0 4px 10px rgba(37, 73, 152, 0.22));
}

.cursor-badge {
    position: absolute;
    display: grid;
    place-items: center;
    width: 27%;
    aspect-ratio: 1;
    right: 13%;
    bottom: 14%;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.36);
    background: linear-gradient(180deg, rgba(255, 77, 103, 0.98), rgba(215, 37, 62, 0.98));
    box-shadow:
        0 18px 28px rgba(160, 0, 45, 0.28),
        inset 0 5px 10px rgba(255, 255, 255, 0.2);
    transition:
        background var(--transition-slow),
        transform var(--transition-slow),
        opacity var(--transition-fast);
}

.badge-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.8ch;
    color: white;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-weight: 700;
    font-size: clamp(1rem, 2.2vw, 2rem);
}

.cursor-mini .cursor-badge {
    border-width: 2px;
    box-shadow:
        0 12px 18px rgba(160, 0, 45, 0.22),
        inset 0 4px 8px rgba(255, 255, 255, 0.18);
}

.cursor-mini .badge-text {
    font-size: 1rem;
}

/* Language and style variants are driven by JS via data attributes. */
.cursor-card[data-language="en"] .cursor-badge,
.cursor-mini[data-language="en"] .cursor-badge {
    background: linear-gradient(180deg, #2b7cff, #245ef3);
}

.cursor-card[data-language="ru"] .cursor-badge,
.cursor-mini[data-language="ru"] .cursor-badge {
    background: linear-gradient(180deg, #ff576a, #ea2248);
}

.cursor-card[data-style="highContrast"] .cursor-badge,
.cursor-mini[data-style="highContrast"] .cursor-badge {
    background: linear-gradient(180deg, #ffe06c, #ffc83a);
    border-color: rgba(0, 0, 0, 0.28);
}

.cursor-card[data-style="highContrast"] .badge-text,
.cursor-mini[data-style="highContrast"] .badge-text {
    color: #09111a;
}

.cursor-card[data-style="dotBadge"] .badge-text,
.cursor-mini[data-style="dotBadge"] .badge-text {
    opacity: 0;
}

.cursor-card[data-style="system"] .cursor-badge,
.cursor-mini[data-style="system"] .cursor-badge {
    opacity: 0;
    transform: scale(0.9);
}

.hero-controls {
    display: grid;
    gap: 18px;
}

.control-group {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 16px 18px;
    border-radius: 22px;
    background: rgba(4, 8, 15, 0.44);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.control-label {
    color: var(--text-muted);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 800;
}

.chip-row,
.style-pill-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.toggle-chip,
.style-pill {
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    transition:
        transform var(--transition-fast),
        background var(--transition-fast),
        color var(--transition-fast);
}

.toggle-chip:hover,
.toggle-chip:focus-visible,
.style-pill:hover,
.style-pill:focus-visible {
    transform: translateY(-1px);
    color: var(--text-primary);
}

.toggle-chip.is-active,
.style-pill.is-active {
    background: rgba(255, 255, 255, 0.16);
    color: var(--text-primary);
}

/* Value cards */
.value-strip {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
}

.value-card {
    padding: 24px;
    border-radius: var(--radius-lg);
}

.value-index {
    margin: 0 0 18px;
    color: var(--blue-soft);
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 0.95rem;
}

.value-card h2 {
    margin: 0;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 1.45rem;
}

.value-card p:last-child {
    margin: 14px 0 0;
    color: var(--text-secondary);
    line-height: 1.72;
}

/* Use cases */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.use-case-card {
    padding: 22px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--panel-border);
    background:
        linear-gradient(180deg, rgba(11, 17, 31, 0.88), rgba(9, 14, 25, 0.88));
    box-shadow: var(--shadow-soft);
}

.use-case-kicker {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background: rgba(94, 246, 220, 0.08);
    color: var(--mint);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.74rem;
    font-weight: 800;
}

.use-case-card h3 {
    margin: 18px 0 0;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 1.16rem;
}

.use-case-card p {
    margin: 12px 0 0;
    color: var(--text-secondary);
    line-height: 1.72;
}

/* Styles grid */
.style-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.style-card {
    cursor: pointer;
}

.style-card {
    position: relative;
    overflow: hidden;
    padding: 20px;
    border-radius: var(--radius-lg);
    transition:
        transform var(--transition-fast),
        border-color var(--transition-fast),
        background var(--transition-fast);
}

.style-card.is-current {
    border-color: rgba(126, 172, 255, 0.4);
    background: linear-gradient(180deg, rgba(16, 28, 55, 0.84), rgba(11, 18, 32, 0.84));
}

.style-card:hover {
    transform: translateY(-3px);
}

.style-card-top {
    display: none;
}

.style-preview {
    display: grid;
    place-items: center;
    min-height: 190px;
}

.style-card h3 {
    margin: 0;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 1.22rem;
}

.style-card p {
    margin: 12px 0 0;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Workflow */
.workflow-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.workflow-step {
    padding: 24px;
    border-radius: var(--radius-lg);
}

.step-number {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(43, 124, 255, 0.22), rgba(255, 77, 103, 0.22));
    color: var(--text-primary);
    font-weight: 800;
}

.workflow-step h3 {
    margin: 18px 0 0;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 1.18rem;
}

.workflow-step p {
    margin: 12px 0 0;
    color: var(--text-secondary);
    line-height: 1.72;
}

/* CTA */
.cta-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    border-radius: var(--radius-xl);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.cta-actions .button {
    min-width: 260px;
    justify-content: center;
    padding: 18px 26px;
    font-size: 1rem;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.faq-item {
    padding: 22px 24px;
    border-radius: var(--radius-lg);
}

.faq-item summary {
    list-style: none;
    font-family: "Space Grotesk", "Avenir Next", sans-serif;
    font-size: 1.28rem;
    font-weight: 700;
    cursor: pointer;
}

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

.faq-item p {
    margin: 14px 0 0;
    color: var(--text-secondary);
    line-height: 1.72;
}

.faq-item .inline-link {
    color: var(--blue-soft);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.faq-item .inline-link:hover,
.faq-item .inline-link:focus-visible {
    color: var(--text-primary);
}

/* Footer */
.site-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    width: min(var(--max-width), calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 42px;
    color: var(--text-muted);
}

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

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--text-primary);
}

/* Reveal animation keeps the page alive without turning into generic micro-motion noise. */
[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition:
        opacity 680ms ease,
        transform 680ms ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float-cursor {
    0%,
    100% {
        transform: translateY(0) rotate(-2deg);
    }
    50% {
        transform: translateY(-14px) rotate(2deg);
    }
}

/* Responsive layout prioritizes the hero stage and keeps controls usable on mobile. */
@media (max-width: 1100px) {
    .hero,
    .value-strip,
    .use-case-grid,
    .style-grid,
    .workflow-grid,
    .faq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero {
        min-height: auto;
    }

    .cta-panel {
        justify-content: center;
    }
}

@media (max-width: 860px) {
    .site-header {
        position: static;
        flex-wrap: wrap;
        margin-top: 14px;
        padding-top: 12px;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .header-actions {
        margin-left: auto;
    }

    .hero,
    .value-strip,
    .use-case-grid,
    .style-grid,
    .workflow-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 6px;
        padding-bottom: 6px;
    }

    .hero-copy h1 {
        max-width: none;
    }

    .control-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .chip-row,
    .style-pill-row {
        justify-content: flex-start;
    }

    .cursor-playground {
        min-height: 420px;
    }

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

@media (max-width: 560px) {
    .section,
    .site-header,
    .site-footer {
        width: min(var(--max-width), calc(100% - 24px));
    }

    .hero-stage-panel,
    .cta-panel {
        padding: 20px;
    }

    .cursor-playground {
        min-height: 340px;
    }

    .cursor-hero {
        width: min(100%, 290px);
    }

    .brand-mark {
        width: 113px;
        height: 113px;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .hover-card {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}