@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;0,9..40,900;1,9..40,400&display=swap');

/* Homepage — scoped under .vk-home */
.vk-home {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #F5F5F7;
    color: #111827;
    -webkit-font-smoothing: antialiased;
    padding-top: 80px;
    /* Avoid horizontal scroll from hero blur halos (blobs use visible overflow) */
    overflow-x: hidden;
}

@media (max-width: 768px) {
    .vk-home {
        padding-top: 70px;
    }
}

@media (max-width: 480px) {
    .vk-home {
        padding-top: 60px;
    }
}

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

/* Do not force inherit on CTA buttons — they set their own text color */
.vk-home a:not(.vk-btn) {
    color: inherit;
}

.vk-home a.vk-usecase-primary {
    color: #ffffff;
}

.vk-home a.vk-usecase-primary:hover,
.vk-home a.vk-usecase-primary:focus {
    color: #ffffff;
    opacity: 0.95;
    text-decoration: none;
}

.vk-section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.vk-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #F3EEFF;
    border: 1px solid #DDD6FE;
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 16px;
    font-size: 12px;
    font-weight: 700;
    color: #7C3AED;
    letter-spacing: 0.06em;
}

.vk-section-head {
    text-align: center;
    margin-bottom: 48px;
}

.vk-section-title {
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 800;
    color: #111827;
    margin: 0 0 14px;
    line-height: 1.2;
}

.vk-section-lead {
    font-size: 16px;
    color: #6B7280;
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.55;
}

/* ---------- Hero ---------- */
.vk-hero {
    position: relative;
    padding: 40px 0 72px;
    /* Allow decorative blobs to feather naturally — overflow:hidden caused a hard cut on blur */
    overflow: visible;
    background: #F5F5F7;
}

.vk-hero-blob1,
.vk-hero-blob2 {
    position: absolute;
    pointer-events: none;
    filter: blur(36px);
}

/* Ellipse anchored in-corner + multi-stop gradient so the glow fades smoothly (no “boxed” edge) */
.vk-hero-blob1 {
    top: -8%;
    right: 0;
    width: min(520px, 62vw);
    height: min(420px, 48vw);
    background: radial-gradient(
        ellipse 95% 85% at 88% 14%,
        rgba(167, 139, 250, 0.32) 0%,
        rgba(167, 139, 250, 0.14) 44%,
        rgba(167, 139, 250, 0.04) 64%,
        transparent 78%
    );
}

.vk-hero-blob2 {
    bottom: -12%;
    left: 0;
    width: min(540px, 65vw);
    height: min(440px, 50vw);
    background: radial-gradient(
        ellipse 95% 85% at 14% 86%,
        rgba(239, 68, 68, 0.15) 0%,
        rgba(239, 68, 68, 0.06) 48%,
        transparent 74%
    );
}

.vk-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.vk-hero-top {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 48px;
}

.vk-hero-pill-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 100px;
    padding: 6px 8px 6px 14px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.vk-hero-pill-left {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #7C3AED;
    letter-spacing: 0.06em;
}

.vk-hero-pill-new {
    background: #F3EEFF;
    color: #7C3AED;
    border-radius: 100px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 700;
}

.vk-hero h1 {
    font-size: clamp(36px, 5.2vw, 64px);
    font-weight: 800;
    line-height: 1.08;
    margin: 0 0 22px;
    color: #0F172A;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.vk-hero-yt {
    color: #EF4444;
    position: relative;
    display: inline-block;
}

.vk-hero-yt svg {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    width: 100%;
    height: 10px;
}

.vk-hero-gradient {
    background: linear-gradient(135deg, #7C3AED, #A78BFA);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.vk-hero-sub {
    font-size: clamp(16px, 1.8vw, 19px);
    color: #52525B;
    line-height: 1.55;
    max-width: 620px;
    margin: 0 auto 32px;
    font-weight: 400;
}

.vk-hero-ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.vk-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.vk-btn:active {
    transform: scale(0.98);
}

.vk-btn--primary {
    background: #7C3AED;
    color: #ffffff;
    padding: 15px 28px;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.vk-btn--primary:hover,
.vk-btn--primary:focus {
    color: #ffffff;
    opacity: 0.95;
}

.vk-btn--outline {
    background: #0f172a;
    color: #ffffff;
    padding: 15px 24px;
    font-weight: 600;
    border: 1px solid #0f172a;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.vk-btn--outline:hover,
.vk-btn--outline:focus {
    color: #ffffff;
    background: #1e293b;
    border-color: #1e293b;
}

.vk-hero-ctas .vk-btn--primary svg,
.vk-hero-ctas .vk-btn--primary svg path {
    fill: #ffffff;
}

.vk-hero-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    color: #71717A;
    font-size: 13px;
}

.vk-hero-avatars {
    display: flex;
}

.vk-hero-av {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid #F5F5F7;
    margin-left: -8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 10px;
    font-weight: 700;
}

.vk-hero-av:first-child {
    margin-left: 0;
}

.vk-hero-stars {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Video / demo frame */
.vk-hero-demo-wrap {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.vk-hero-chrome {
    background: #fff;
    border-radius: 20px;
    box-shadow:
        0 32px 80px -20px rgba(15, 23, 42, 0.35),
        0 12px 24px -8px rgba(124, 58, 237, 0.18);
    border: 1px solid #E5E7EB;
    overflow: hidden;
}

.vk-hero-chrome-bar {
    background: #F9FAFB;
    border-bottom: 1px solid #E5E7EB;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.vk-hero-dots {
    display: flex;
    gap: 7px;
}

.vk-hero-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.vk-hero-dots span:nth-child(1) {
    background: #FF5F57;
}

.vk-hero-dots span:nth-child(2) {
    background: #FEBC2E;
}

.vk-hero-dots span:nth-child(3) {
    background: #28C840;
}

.vk-hero-url-pill {
    flex: 1;
    max-width: 380px;
    margin: 0 auto;
    background: #fff;
    border-radius: 7px;
    padding: 5px 14px;
    font-size: 12px;
    color: #71717A;
    border: 1px solid #E5E7EB;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.vk-hero-live {
    background: #EF4444;
    color: #fff;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 5px;
}

.vk-hero-live-dot {
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
}

.vk-hero-stage {
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 35%, #4c1d95 70%, #6d28d9 100%);
    cursor: pointer;
}

.vk-hero-stage-grid {
    position: absolute;
    inset: 0;
    opacity: 0.12;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.vk-hero-stage-ui {
    position: absolute;
    inset: 0;
    padding: 4%;
    pointer-events: none;
}

.vk-hero-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.vk-hero-card--left {
    top: 14%;
    left: 6%;
    width: 32%;
    transform: rotate(-3deg);
}

.vk-hero-card--center {
    top: 22%;
    left: 34%;
    width: 32%;
    background: #fff;
    overflow: hidden;
    z-index: 2;
    padding: 0;
    transform: none;
}

.vk-hero-card--right {
    top: 18%;
    right: 6%;
    width: 32%;
    transform: rotate(3deg);
}

.vk-hero-mock-eyebrow {
    font-size: 10px;
    color: #71717A;
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.vk-hero-mock-bar {
    background: #F5F5F7;
    border-radius: 8px;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 11px;
    color: #374151;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.vk-hero-mock-yt {
    width: 18px;
    height: 18px;
    background: #EF4444;
    border-radius: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vk-hero-mock-btn {
    background: #7C3AED;
    border-radius: 8px;
    padding: 9px;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.vk-hero-mock-lp-head {
    background: linear-gradient(135deg, #7C3AED, #A78BFA);
    padding: 14px;
    color: #fff;
}

.vk-hero-mock-lp-body {
    padding: 12px;
}

.vk-hero-mock-lp-row {
    background: #F5F5F7;
    border-radius: 6px;
    padding: 6px 8px;
    font-size: 10px;
    color: #71717A;
    margin-bottom: 8px;
}

.vk-hero-mock-lp-cta {
    background: #10B981;
    border-radius: 6px;
    padding: 7px;
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
}

.vk-hero-ticker {
    position: absolute;
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.96);
    border-radius: 100px;
    padding: 8px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    font-size: 12px;
    color: #374151;
}

.vk-hero-ticker-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.vk-hero-ticker strong {
    color: #10B981;
}

.vk-hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.4);
    transition: background 0.3s;
    z-index: 5;
    pointer-events: auto;
    border: 0;
    width: 100%;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.vk-hero-overlay:hover {
    background: rgba(15, 23, 42, 0.3);
}

.vk-hero-overlay:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.85);
    outline-offset: -4px;
}

.vk-hero-demo-player.is-playing .vk-hero-overlay {
    background: transparent;
    pointer-events: none;
    opacity: 0;
}

.vk-hero-demo-player.is-playing .vk-hero-overlay * {
    visibility: hidden;
}

.vk-hero-play {
    width: 88px;
    height: 88px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
    animation: vk-pulse 2.4s ease-in-out infinite;
    margin-left: 0;
}

.vk-hero-overlay-title {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    margin-top: 22px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.vk-hero-overlay-sub {
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    margin-top: 4px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.vk-hero-demo-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 6;
    background: #000;
}

@keyframes vk-pulse {
    0%,
    100% {
        box-shadow:
            0 16px 48px rgba(0, 0, 0, 0.4),
            0 0 0 12px rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow:
            0 16px 48px rgba(0, 0, 0, 0.4),
            0 0 0 22px rgba(255, 255, 255, 0.05);
    }
}

/* Floating chips — hidden while demo video is active (.is-demo-playing on wrap) */
.vk-hero-demo-wrap .vk-float-chip {
    transition:
        opacity 0.25s ease,
        visibility 0.25s ease;
}

.vk-hero-demo-wrap.is-demo-playing .vk-float-chip {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.vk-float-chip {
    position: absolute;
    background: #fff;
    border-radius: 12px;
    padding: 10px 14px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.12);
    border: 1px solid #E5E7EB;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 4;
}

.vk-float-chip--tl {
    top: 91px;
    left: 10px;
    transform: rotate(-4deg);
}

.vk-float-chip--br {
    bottom: 50px;
    right: -34px;
    transform: rotate(4deg);
}

.vk-float-chip-ico {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vk-float-chip-ico--green {
    background: #ECFDF5;
}

.vk-float-chip-ico--purple {
    background: #F3EEFF;
}

.vk-float-chip small {
    display: block;
    font-size: 11px;
    color: #71717A;
    font-weight: 500;
}

.vk-float-chip strong {
    font-size: 14px;
    font-weight: 800;
    color: #0F172A;
}

/* Logo strip */
.vk-logo-strip {
    margin-top: 72px;
    text-align: center;
}

.vk-logo-strip-label {
    font-size: 12px;
    color: #71717A;
    font-weight: 600;
    letter-spacing: 0.12em;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.vk-logo-strip-row {
    display: flex;
    justify-content: center;
    gap: 56px;
    align-items: center;
    flex-wrap: wrap;
    opacity: 0.6;
}

.vk-logo-strip-row span {
    font-weight: 800;
    font-size: 18px;
    color: #52525B;
}

/* ---------- How it works ---------- */
.vk-how {
    background: #fff;
    padding: 96px 0;
}

.vk-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}

.vk-steps-line {
    position: absolute;
    top: 56px;
    left: calc(16.66% + 12px);
    right: calc(16.66% + 12px);
    height: 2px;
    background: linear-gradient(90deg, #EF4444, #7C3AED, #10B981);
    opacity: 0.25;
    z-index: 0;
}

.vk-step-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid #E5E7EB;
    position: relative;
    z-index: 1;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.vk-step-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.vk-step-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vk-step-icon--r {
    background: #FEF2F2;
}

.vk-step-icon--p {
    background: #F3EEFF;
}

.vk-step-icon--g {
    background: #ECFDF5;
}

.vk-step-num {
    font-size: 48px;
    font-weight: 900;
    color: #F3F4F6;
    line-height: 1;
    user-select: none;
}

.vk-step-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 10px;
}

.vk-step-card p {
    font-size: 15px;
    color: #6B7280;
    line-height: 1.65;
    margin: 0;
}

.vk-how-cta {
    text-align: center;
    margin-top: 56px;
}

.vk-btn--wide {
    padding: 14px 36px;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

/* ---------- Examples ---------- */
.vk-examples {
    background: #F5F5F7;
    padding: 96px 0;
}

.vk-example-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.vk-example-card {
    border: 1px solid #E5E7EB;
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.vk-example-cover {
    padding: 28px 24px;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
}

.vk-example-cover--a {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
}

.vk-example-cover--b {
    background: linear-gradient(135deg, #DC2626, #EF4444);
}

.vk-example-cover--c {
    background: linear-gradient(135deg, #0EA5E9, #6366F1);
}

.vk-example-pill {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 5px;
}

.vk-example-pill-dot {
    width: 8px;
    height: 8px;
    background: #EF4444;
    border-radius: 50%;
}

.vk-example-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
    background-size: 24px 24px;
}

.vk-example-cover-meta {
    position: relative;
    z-index: 1;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4px;
    font-weight: 500;
}

.vk-example-cover-title {
    position: relative;
    z-index: 1;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.vk-example-source {
    padding: 14px 18px;
    border-bottom: 1px solid #F3F4F6;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.vk-example-yt {
    width: 20px;
    height: 20px;
    background: #EF4444;
    border-radius: 4px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.vk-example-vtitle {
    font-size: 12px;
    color: #374151;
    font-weight: 500;
    line-height: 1.4;
}

.vk-example-channel {
    font-size: 11px;
    color: #9CA3AF;
    margin-top: 2px;
}

.vk-example-stats {
    padding: 14px 18px;
    display: flex;
    gap: 0;
}

.vk-example-stat {
    flex: 1;
    text-align: center;
}

.vk-example-stat strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #111827;
}

.vk-example-stat span {
    font-size: 11px;
    color: #9CA3AF;
}

.vk-example-actions {
    padding: 0 18px 18px;
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.vk-example-actions .vk-btn {
    flex: 1;
    font-size: 12px;
    font-weight: 600;
    padding: 9px;
    border-radius: 8px;
}

.vk-example-actions .vk-btn--ex-primary {
    background: #7C3AED;
    color: #fff;
}

.vk-example-actions .vk-btn--ex-ghost {
    background: #F3EEFF;
    color: #7C3AED;
}

/* ---------- Use cases ---------- */
.vk-usecases {
    background: #fff;
    padding: 96px 0;
}

.vk-usecase-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.vk-usecase-tab {
    padding: 10px 22px;
    border-radius: 10px;
    border: 1.5px solid #E5E7EB;
    background: #fff;
    color: #6B7280;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.18s;
}

.vk-usecase-tab.is-active[data-accent='purple'] {
    border-color: #7C3AED;
    background: #F3EEFF;
    color: #7C3AED;
}

.vk-usecase-tab.is-active[data-accent='sky'] {
    border-color: #0EA5E9;
    background: #F0F9FF;
    color: #0EA5E9;
}

.vk-usecase-tab.is-active[data-accent='green'] {
    border-color: #10B981;
    background: #ECFDF5;
    color: #10B981;
}

.vk-usecase-panel {
    display: none;
    background: #fff;
    border-radius: 24px;
    border: 1px solid #E5E7EB;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.vk-usecase-panel.is-active {
    display: block;
}

.vk-usecase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    min-height: 0;
}

.vk-usecase-copy {
    padding: 52px 48px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    min-width: 0;
    min-height: 0;
}

.vk-usecase-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 10px;
    padding: 8px 16px;
    margin-bottom: 24px;
    font-weight: 700;
    font-size: 13px;
}

.vk-usecase-chip--purple {
    background: #F3EEFF;
    color: #7C3AED;
}

.vk-usecase-chip--sky {
    background: #F0F9FF;
    color: #0EA5E9;
}

.vk-usecase-chip--green {
    background: #ECFDF5;
    color: #10B981;
}

.vk-usecase-copy h3 {
    font-size: 26px;
    font-weight: 800;
    color: #111827;
    margin: 0 0 16px;
    line-height: 1.3;
}

.vk-usecase-copy > p {
    font-size: 15px;
    color: #6B7280;
    line-height: 1.7;
    margin: 0 0 28px;
}

.vk-usecase-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    flex: 0 0 auto;
}

.vk-usecase-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: #374151;
    font-weight: 500;
}

.vk-usecase-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.vk-usecase-check--purple {
    background: #F3EEFF;
}

.vk-usecase-check--sky {
    background: #F0F9FF;
}

.vk-usecase-check--green {
    background: #ECFDF5;
}

.vk-usecase-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 32px;
    border: none;
    border-radius: 10px;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    cursor: pointer;
    font-family: inherit;
    flex-shrink: 0;
    align-self: flex-start;
}

.vk-usecase-primary--purple {
    background: #7C3AED;
}

.vk-usecase-primary--sky {
    background: #0EA5E9;
}

.vk-usecase-primary--green {
    background: #10B981;
}

.vk-usecase-visual {
    padding: 40px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.vk-usecase-visual--purple {
    background: #F3EEFF;
}

.vk-usecase-visual--sky {
    background: #F0F9FF;
}

.vk-usecase-visual--green {
    background: #ECFDF5;
}

.vk-usecase-row {
    background: #fff;
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
    border: 1px solid #E5E7EB;
}

.vk-usecase-row--hi {
    border: none;
    color: #fff;
}

.vk-usecase-row--hi.vk-hi-purple {
    background: #7C3AED;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.25);
}

.vk-usecase-row--hi.vk-hi-sky {
    background: #0EA5E9;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.vk-usecase-row--hi.vk-hi-green {
    background: #10B981;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.25);
}

.vk-usecase-row-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #9CA3AF;
}

.vk-usecase-row--hi .vk-usecase-row-label {
    color: rgba(255, 255, 255, 0.7);
}

.vk-usecase-row strong {
    font-size: 14px;
    font-weight: 700;
    color: #111827;
}

.vk-usecase-row--hi strong {
    color: #fff;
}

/* ---------- FAQ ---------- */
.vk-faq {
    background: #fff;
    padding: 96px 0;
}

.vk-faq-inner {
    max-width: 740px;
    margin: 0 auto;
    padding: 0 24px;
}

.vk-faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vk-faq-item {
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
    transition: border-color 0.2s, background 0.2s;
}

.vk-faq-item.is-open {
    border-color: #DDD6FE;
    background: #FAFAFE;
}

.vk-faq-trigger {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    gap: 16px;
}

.vk-faq-trigger span:first-child {
    font-weight: 600;
    font-size: 16px;
    color: #111827;
}

.vk-faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #F3F4F6;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.2s;
}

.vk-faq-item.is-open .vk-faq-icon {
    background: #7C3AED;
    color: #fff;
    transform: rotate(45deg);
}

.vk-faq-answer {
    padding: 0 24px 20px;
    font-size: 15px;
    color: #6B7280;
    line-height: 1.7;
}

.vk-faq-answer[hidden] {
    display: none;
}

/* ---------- Feedback (guests) ---------- */
.vk-feedback-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    background: #7C3AED;
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 20px;
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    text-decoration: none;
}

.vk-feedback-btn:hover {
    opacity: 0.92;
    color: #fff;
}

@media (max-width: 992px) {
    .vk-steps-grid {
        grid-template-columns: 1fr;
    }

    .vk-steps-line {
        display: none;
    }

    .vk-example-grid {
        grid-template-columns: 1fr;
    }

    .vk-usecase-grid {
        grid-template-columns: 1fr;
    }

    .vk-usecase-copy {
        padding: 32px 24px;
    }

    .vk-usecase-visual {
        padding: 24px;
    }

    .vk-float-chip--tl {
        left: 8px;
        top: 56px;
        max-width: calc(100% - 16px);
    }

    .vk-float-chip--br {
        right: 8px;
        bottom: 12px;
        max-width: calc(100% - 16px);
    }

    .vk-hero-card--left,
    .vk-hero-card--center,
    .vk-hero-card--right {
        display: none;
    }

    .vk-hero-ticker {
        display: none;
    }
}

@media (max-width: 768px) {
    .vk-hero {
        padding: 24px 0 56px;
    }

    .vk-how,
    .vk-examples,
    .vk-usecases,
    .vk-faq {
        padding: 64px 0;
    }

    .vk-section-head {
        margin-bottom: 36px;
    }

    .vk-float-chip {
        padding: 8px 10px;
        gap: 8px;
        box-sizing: border-box;
        max-width: calc(100% - 16px);
    }

    .vk-float-chip--tl {
        left: 8px;
        top: 68px;
    }

    .vk-float-chip-ico {
        width: 30px;
        height: 30px;
    }

    .vk-float-chip strong {
        font-size: 13px;
    }
}

@media (max-width: 640px) {
    .vk-usecase-tabs {
        flex-direction: column;
    }

    .vk-usecase-tab {
        width: 100%;
        justify-content: center;
    }

    .vk-logo-strip-row {
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .vk-hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .vk-hero-ctas .vk-btn {
        width: 100%;
    }

    .vk-feedback-btn {
        bottom: 16px;
        right: 16px;
        padding: 8px 14px;
        font-size: 13px;
    }

    .vk-float-chip {
        padding: 7px 9px;
        gap: 7px;
    }

    .vk-float-chip--tl {
        left: 6px;
        top: 68px;
        max-width: calc(100% - 12px);
    }

    .vk-float-chip strong {
        font-size: 12px;
    }
}

@media (max-width: 360px) {
    .vk-section-inner,
    .vk-hero-inner {
        padding-left: 16px;
        padding-right: 16px;
    }
}