:root {
    --app-ink: #1d1d1f;
    --app-muted: #6e6e73;
    --app-surface: #f5f5f7;
    --app-blue: #0071e3;
    --app-blue-hover: #0077ed;
    --app-hairline: rgba(0, 0, 0, 0.08);
    --app-radius: 30px;
}

body {
    background: var(--app-surface);
    color: var(--app-ink);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

.site-header {
    background: rgba(255, 255, 255, 0.78);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    -webkit-backdrop-filter: saturate(180%) blur(22px);
    backdrop-filter: saturate(180%) blur(22px);
}

.login-button {
    color: #fff;
    background: var(--app-blue);
    border-radius: 999px;
    box-shadow: none;
}

.login-button:hover {
    color: #fff;
    background: var(--app-blue-hover);
    box-shadow: none;
    transform: scale(1.02);
}

.breadcrumbs {
    display: none;
}

.hero-kita-app {
    min-height: min(780px, 92svh);
    height: auto;
    padding: 120px 0 62px;
    color: var(--app-ink);
    background:
        radial-gradient(circle at 76% 34%, rgba(0, 113, 227, 0.18), transparent 29%),
        radial-gradient(circle at 88% 76%, rgba(191, 90, 242, 0.12), transparent 28%),
        var(--app-surface);
    isolation: isolate;
}

.hero-kita-app::before,
.hero-kita-app::after,
.hero-kita-app .aurora-bg,
.hero-kita-app .mesh-gradient,
.hero-kita-app .noise-pattern,
.hero-kita-app .floating-shapes,
.hero-kita-app .wave-bottom {
    display: none;
}

.hero-container {
    grid-template-columns: minmax(0, 1fr);
    max-width: 1280px;
    padding-inline: clamp(1.5rem, 5vw, 5rem);
}

.hero-text {
    max-width: 1180px;
    margin-inline: auto;
    text-align: center;
}

.hero-badge {
    margin-bottom: 1.2rem;
    padding: 0.55rem 0.85rem;
    color: #424245;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--app-hairline);
    border-radius: 999px;
    box-shadow: none;
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.hero-badge i,
.badge-dot {
    color: var(--app-blue);
    background: var(--app-blue);
}

.hero-badge > i {
    display: none;
}

.hero-text h1 {
    max-width: 1180px;
    margin: 0 auto 1.4rem;
    color: var(--app-ink);
    font-size: clamp(3.5rem, 5.65vw, 6.9rem);
    font-weight: 700;
    line-height: 0.94;
    letter-spacing: -0.065em;
    text-shadow: none;
}

.hero-text h1 .highlight {
    display: block;
    padding-bottom: 0.08em;
    color: transparent;
    background: linear-gradient(90deg, #0071e3 5%, #7c3aed 48%, #e5484d 92%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text h1 .highlight::after {
    display: none;
}

#hero-lead {
    max-width: 900px;
    margin-inline: auto;
    color: var(--app-muted);
    font-size: clamp(1.15rem, 1.75vw, 1.52rem);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: -0.025em;
}

#hero-lead strong {
    color: var(--app-ink);
}

.hero-cta-buttons {
    justify-content: center;
    gap: 0.7rem;
}

.hero-cta-buttons .btn {
    min-height: 48px;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    box-shadow: none;
    font-size: 0.95rem;
    font-weight: 600;
}

.hero-cta-buttons .btn.primary {
    color: #fff;
    background: var(--app-blue);
    border-color: var(--app-blue);
}

.hero-cta-buttons .btn.primary:hover {
    color: #fff;
    background: var(--app-blue-hover);
    border-color: var(--app-blue-hover);
    box-shadow: none;
    transform: scale(1.02);
}

.hero-cta-buttons .btn.secondary,
.hero-cta-buttons .btn.tertiary {
    color: var(--app-blue);
    background: transparent;
    border-color: transparent;
}

.hero-cta-buttons .btn.secondary:hover,
.hero-cta-buttons .btn.tertiary:hover {
    color: var(--app-blue-hover);
    background: transparent;
    box-shadow: none;
    text-decoration: underline;
    transform: none;
}

.hero-trust-note {
    justify-content: center;
    gap: 0.5rem 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--app-hairline);
}

.hero-trust-note span {
    color: var(--app-muted);
}

.hero-trust-note i {
    color: #087c53;
}

.hero-image {
    display: none;
}

.hero-kita-app + section {
    padding: 4.5rem 1.5rem !important;
    background: #fff !important;
}

.hero-kita-app + section > div {
    max-width: 1180px !important;
    padding: 0 !important;
}

.hero-kita-app + section > div > div {
    gap: 0.75rem !important;
}

.hero-kita-app + section a[style] {
    min-height: 148px !important;
    box-sizing: border-box !important;
    justify-content: center !important;
    padding: 1.2rem !important;
    background: var(--app-surface) !important;
    border: 1px solid var(--app-hairline) !important;
    border-radius: 18px !important;
    box-shadow: none !important;
}

.hero-kita-app + section a[style]:hover {
    border-color: rgba(0, 113, 227, 0.25) !important;
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.05) !important;
    transform: translateY(-2px);
}

.hero-kita-app + section a[style] > i {
    color: var(--app-blue) !important;
}

.key-facts-section,
.features-section,
.stats-section,
.functions-overview,
.workflow-section,
.testimonials-section,
.comparison-section,
.faq-section,
.cta-section {
    box-sizing: border-box;
    padding: clamp(6rem, 10vw, 10rem) 1.5rem;
}

.key-facts-section,
.stats-section,
.workflow-section,
.comparison-section,
.cta-section {
    background: var(--app-surface);
}

.features-section,
.testimonials-section,
.faq-section {
    background: #fff;
}

.key-facts-container,
.features-container,
.stats-container,
.functions-overview-container,
.workflow-container,
.testimonials-container,
.comparison-container,
.faq-container,
.cta-container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 0;
}

.section-heading,
.key-facts-container > h2,
.comparison-container > h2 {
    max-width: 1080px;
    margin-inline: auto;
    text-align: center;
}

.section-heading h2,
.key-facts-section h2,
.comparison-section h2,
.faq-section h2,
.cta-section h2 {
    max-width: 1050px;
    margin: 0 auto 1.35rem;
    color: var(--app-ink);
    background: none;
    font-size: clamp(3rem, 6vw, 6.2rem);
    font-weight: 700;
    line-height: 0.98;
    letter-spacing: -0.06em;
    text-shadow: none;
    -webkit-text-fill-color: currentColor;
}

.section-heading p,
.key-facts-intro,
.comparison-section .lead,
.faq-section .section-heading p,
.cta-section p {
    max-width: 820px;
    margin-inline: auto;
    color: var(--app-muted);
    font-size: clamp(1.08rem, 1.7vw, 1.35rem);
    font-weight: 500;
    line-height: 1.55;
}

.key-facts-eyebrow,
.comparison-section .eyebrow {
    color: #bf4800;
    letter-spacing: 0;
    text-transform: none;
}

.key-facts-section h2 .accent,
.comparison-section h2 .accent {
    color: var(--app-ink);
    background: none;
    -webkit-text-fill-color: currentColor;
}

.key-facts-box {
    padding: 0;
    background: #fff;
    border: 1px solid var(--app-hairline);
    border-radius: var(--app-radius);
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

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

.fact-card {
    min-height: 138px;
    padding: 1.4rem;
    background: #fff;
    border: 0;
    border-right: 1px solid var(--app-hairline);
    border-bottom: 1px solid var(--app-hairline);
    border-radius: 0;
    box-shadow: none;
}

.fact-card:hover {
    background: var(--app-surface);
    border-color: var(--app-hairline);
    box-shadow: none;
    transform: none;
}

.fact-card .fact-icon,
.fact-card.fact-accent-2 .fact-icon,
.fact-card.fact-accent-3 .fact-icon,
.fact-card.fact-accent-4 .fact-icon {
    color: var(--app-blue);
    background: rgba(0, 113, 227, 0.09);
    border-radius: 13px;
    box-shadow: none;
}

.fact-card dt {
    color: var(--app-muted);
    letter-spacing: 0.06em;
}

.fact-card dd {
    color: var(--app-ink);
}

.fact-card dd strong,
.fact-card dd a {
    color: var(--app-blue);
}

#features-intro a[style] {
    color: var(--app-blue) !important;
    border-bottom-color: var(--app-blue) !important;
}

.features-grid {
    gap: 1.15rem;
}

.feature-box {
    min-height: 300px;
    padding: 2rem;
    background: var(--app-surface);
    border: 1px solid var(--app-hairline);
    border-radius: var(--app-radius);
    box-shadow: none;
}

.feature-box:hover {
    border-color: rgba(0, 113, 227, 0.25);
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.06);
}

.feature-icon {
    width: 52px;
    height: 52px;
    color: var(--app-blue);
    background: rgba(0, 113, 227, 0.09);
    border-radius: 15px;
    box-shadow: none;
}

.feature-icon i {
    color: var(--app-blue);
}

.feature-box h3 {
    color: var(--app-ink);
    font-size: 1.45rem;
    letter-spacing: -0.035em;
}

.feature-box p {
    color: var(--app-muted);
}

.stats-section {
    color: #f5f5f7;
    background:
        radial-gradient(circle at 85% 5%, rgba(48, 119, 255, 0.24), transparent 28%),
        radial-gradient(circle at 8% 90%, rgba(180, 71, 255, 0.18), transparent 26%),
        #000;
}

.stats-section .section-heading h2 {
    color: #fff;
}

.stats-section .section-heading p {
    color: #a1a1a6;
}

.stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
}

.stat-card {
    min-height: 240px;
    padding: 2rem 1.25rem;
    background: rgba(255, 255, 255, 0.075);
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 24px;
    box-shadow: none;
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
}

.stat-card::before {
    display: none;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.11);
    border-color: rgba(41, 151, 255, 0.28);
    box-shadow: none;
    transform: translateY(-2px);
}

.stats-section .stat-card:nth-child(1) .stat-icon,
.stats-section .stat-card:nth-child(2) .stat-icon,
.stats-section .stat-card:nth-child(3) .stat-icon,
.stats-section .stat-card:nth-child(4) .stat-icon {
    color: #2997ff;
    background: rgba(41, 151, 255, 0.12);
    border: 1px solid rgba(41, 151, 255, 0.16);
    box-shadow: none;
}

.stats-section .stat-icon::after {
    display: none;
}

.stats-section .stat-card:hover .stat-icon,
.stats-section .stat-card:hover .stat-number {
    transform: none;
}

.stats-section .stat-card:nth-child(1) .stat-number,
.stats-section .stat-card:nth-child(2) .stat-number,
.stats-section .stat-card:nth-child(3) .stat-number,
.stats-section .stat-card:nth-child(4) .stat-number {
    color: #fff;
    background: none;
    -webkit-text-fill-color: currentColor;
}

.stats-section .stat-card:nth-child(1) .stat-suffix,
.stats-section .stat-card:nth-child(2) .stat-suffix,
.stats-section .stat-card:nth-child(3) .stat-suffix,
.stats-section .stat-card:nth-child(4) .stat-suffix {
    color: #2997ff;
}

.stat-label {
    color: #f5f5f7;
}

.stat-sublabel {
    color: #a1a1a6;
}

.functions-overview {
    color: #f5f5f7;
    background:
        radial-gradient(circle at 85% 5%, rgba(48, 119, 255, 0.22), transparent 28%),
        #000;
}

.functions-overview .section-heading h2 {
    color: #fff;
}

.functions-overview .section-heading p {
    color: #a1a1a6;
}

.functions-overview .section-heading a {
    color: #2997ff;
}

.functions-overview-grid {
    gap: 1.15rem;
}

.function-overview-card {
    min-height: 410px;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.075);
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: var(--app-radius);
    box-shadow: none;
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
}

.function-overview-card:hover {
    background: rgba(255, 255, 255, 0.09);
    box-shadow: none;
    transform: translateY(-2px);
}

.function-overview-label {
    color: #2997ff;
    background: rgba(41, 151, 255, 0.12);
    border: 0;
    border-radius: 999px;
}

.function-overview-icon {
    color: #2997ff;
    background: rgba(41, 151, 255, 0.12);
    box-shadow: none;
}

.function-overview-card h3 {
    color: #fff;
}

.function-overview-card p,
.function-overview-card li {
    color: #a1a1a6;
}

.function-overview-card li i {
    color: #2997ff;
}

.workflow-grid {
    gap: 1.15rem;
}

.workflow-step {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--app-hairline);
    border-radius: var(--app-radius);
    box-shadow: none;
}

.workflow-step:hover {
    border-color: rgba(0, 113, 227, 0.25);
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.step-number {
    color: var(--app-blue);
    background: rgba(0, 113, 227, 0.09);
    box-shadow: none;
}

.step-content h3 {
    color: var(--app-ink);
}

.step-content p {
    color: var(--app-muted);
}

.step-image img {
    border-radius: 20px;
    box-shadow: none;
}

.testimonials-grid {
    gap: 1.15rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--app-surface);
    border: 1px solid var(--app-hairline);
    border-radius: var(--app-radius);
    box-shadow: none;
}

.testimonial-card:hover {
    border-color: rgba(0, 113, 227, 0.25);
    box-shadow: 0 20px 55px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.testimonial-text {
    color: #424245;
}

.testimonial-author strong {
    color: var(--app-ink);
}

.testimonial-author span {
    color: var(--app-muted);
}

.testimonial-rating {
    color: #ff9f0a;
}

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

.comparison-section::before {
    display: none;
}

.comparison-table-wrap {
    border: 1px solid var(--app-hairline);
    border-radius: 22px;
    box-shadow: none;
}

.comparison-table thead th {
    color: var(--app-ink);
    background: #fff;
    border-bottom-color: var(--app-hairline);
}

.comparison-table thead th.highlight-col {
    color: #fff;
    background: var(--app-blue);
    border-bottom-color: var(--app-blue);
    box-shadow: none;
}

.comparison-table thead th.highlight-col::before {
    color: var(--app-blue);
    box-shadow: none;
}

.comparison-table tbody td {
    color: #515154;
    border-bottom-color: var(--app-hairline);
}

.comparison-table tbody td:first-child {
    color: var(--app-ink);
    background: #fff;
    border-right-color: var(--app-hairline);
}

.comparison-table tbody td.highlight-col {
    background: rgba(0, 113, 227, 0.05);
    border-color: rgba(0, 113, 227, 0.1);
}

.comparison-table tbody tr:hover td {
    background: rgba(0, 113, 227, 0.035);
}

.comparison-source,
.comparison-source a {
    color: var(--app-muted);
}

.faq-container {
    max-width: 980px;
}

.faq-item {
    margin-bottom: 0.75rem;
    background: #fff;
    border: 1px solid var(--app-hairline);
    border-radius: 18px;
    box-shadow: none;
}

.faq-item:hover,
.faq-item.open {
    border-color: rgba(0, 113, 227, 0.25);
    box-shadow: none;
    transform: none;
}

.faq-item .faq-question {
    color: var(--app-ink);
}

.faq-item .faq-question::before {
    color: var(--app-blue);
    background: rgba(0, 113, 227, 0.09);
}

.faq-answer p,
.faq-answer ul {
    color: var(--app-muted);
}

.faq-answer strong {
    color: var(--app-ink);
}

.cta-section {
    color: #f5f5f7;
    background:
        radial-gradient(circle at 85% 5%, rgba(48, 119, 255, 0.24), transparent 28%),
        radial-gradient(circle at 8% 90%, rgba(180, 71, 255, 0.18), transparent 26%),
        #000;
}

.cta-section::before,
.cta-section::after {
    display: none;
}

.cta-section h2 {
    color: #fff;
}

.cta-section p {
    color: #a1a1a6;
}

.cta-section .btn {
    min-height: 48px;
    padding: 0.75rem 1.3rem;
    border-radius: 999px;
    box-shadow: none;
}

.cta-section .btn.primary,
.cta-section .btn.white {
    color: #fff;
    background: var(--app-blue);
    border-color: var(--app-blue);
}

.cta-section .btn:hover {
    color: #fff;
    background: var(--app-blue-hover);
    box-shadow: none;
    transform: scale(1.02);
}

.article-meta {
    color: var(--app-muted);
    background: #fff;
    border-top: 1px solid var(--app-hairline);
}

.article-meta a {
    color: var(--app-blue);
}

.reveal-on-scroll {
    opacity: 1;
    transform: none;
}

.hero-kita-app a:focus-visible,
.features-section a:focus-visible,
.functions-overview a:focus-visible,
.comparison-section a:focus-visible,
.faq-section [tabindex]:focus-visible,
.cta-section a:focus-visible {
    outline: 3px solid rgba(0, 113, 227, 0.3);
    outline-offset: 3px;
}

@media (max-width: 1100px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-text {
        max-width: 900px;
    }

    .hero-image {
        max-width: 850px;
        margin-inline: auto;
    }

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

@media (max-width: 768px) {
    .hero-kita-app {
        min-height: auto;
        padding: 108px 0 72px;
    }

    .hero-container {
        padding-inline: 1.25rem;
    }

    .hero-text h1 {
        font-size: clamp(3.15rem, 15vw, 5rem);
    }

    .hero-kita-app + section > div > div {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-kita-app + section a[style] {
        min-width: 0 !important;
        max-width: none !important;
    }

    .key-facts-section,
    .features-section,
    .stats-section,
    .functions-overview,
    .workflow-section,
    .testimonials-section,
    .comparison-section,
    .faq-section,
    .cta-section {
        padding-inline: 1rem;
    }

    .section-heading h2,
    .key-facts-section h2,
    .comparison-section h2,
    .faq-section h2,
    .cta-section h2 {
        font-size: clamp(2.8rem, 13vw, 4.7rem);
    }

    .stats-grid,
    .functions-overview-grid,
    .workflow-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .stats-section .stat-card {
        border: 1px solid rgba(255, 255, 255, 0.11);
    }
}

@media (max-width: 520px) {
    .hero-cta-buttons {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-kita-app + section > div > div,
    .key-facts-grid {
        grid-template-columns: 1fr;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    .hero-image,
    .feature-box {
        transform: none !important;
    }
}