:root {
    --bg: #f5f9ff;
    --surface: rgba(255, 255, 255, 0.74);
    --surface-dark: #152235;
    --text: #142033;
    --text-soft: #5b6b80;
    --text-inverse: #f8fafc;
    --primary: #4e8dff;
    --primary-strong: #2d6fe6;
    --accent: #85c8ff;
    --glow-pink: rgba(126, 194, 255, 0.28);
    --glow-peach: rgba(146, 221, 255, 0.26);
    --glow-lilac: rgba(189, 210, 255, 0.22);
    --shadow: 0 24px 60px rgba(49, 84, 130, 0.12);
    --radius-lg: 32px;
    --radius-md: 24px;
    --container: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top, rgba(195, 229, 255, 0.62), transparent 32%),
        linear-gradient(180deg, #fbfdff 0%, #f4f9ff 38%, #edf4fc 100%);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before,
body::after {
    content: "";
    position: fixed;
    inset: auto;
    z-index: -1;
    border-radius: 999px;
    filter: blur(24px);
    pointer-events: none;
    opacity: 0.9;
}

body::before {
    top: 6rem;
    left: -8rem;
    width: 24rem;
    height: 24rem;
    background: radial-gradient(circle, var(--glow-pink) 0%, rgba(240, 151, 157, 0) 70%);
    animation: driftOne 18s ease-in-out infinite alternate;
}

body::after {
    top: 18rem;
    right: -6rem;
    width: 28rem;
    height: 28rem;
    background: radial-gradient(circle, var(--glow-peach) 0%, rgba(244, 187, 148, 0) 72%);
    animation: driftTwo 22s ease-in-out infinite alternate;
}

img {
    max-width: 100%;
    height: auto;
}

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

p,
ul {
    margin: 0;
}

ul {
    padding: 0;
    list-style: none;
}

.container {
    width: min(calc(100% - 2rem), var(--container));
    margin: 0 auto;
}

.skip-link,
.sr-only {
    position: absolute;
}

.skip-link {
    left: 1rem;
    top: -3rem;
    z-index: 100;
    padding: 0.75rem 1rem;
    border-radius: 999px;
    background: var(--surface-dark);
    color: var(--text-inverse);
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 1rem;
}

.sr-only {
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 1rem 0;
    background: rgba(247, 251, 255, 0.72);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(95, 90, 87, 0.08);
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4.5rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    padding: 0.85rem 1rem;
    border-radius: 999px;
    color: var(--text-soft);
    font-weight: 600;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.9);
}

.nav-toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    padding: 0.75rem;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 10px 30px rgba(55, 92, 145, 0.12);
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;
    background: var(--text);
    border-radius: 999px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3.25rem;
    padding: 0.9rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    text-align: center;
    line-height: 1.2;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-1px);
}

.button-primary {
    color: var(--text-inverse);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
    box-shadow: 0 20px 40px rgba(45, 111, 230, 0.22);
}

.button-secondary {
    border-color: rgba(95, 90, 87, 0.12);
    background: rgba(255, 255, 255, 0.78);
    color: var(--text);
}

.button-small {
    min-height: 2.85rem;
    padding-inline: 1rem;
}

.nav-links .button {
    flex-shrink: 0;
}

.nav-links .button-primary {
    min-width: 11.75rem;
    padding-inline: 1.2rem;
    text-align: center;
    white-space: nowrap;
    background: linear-gradient(135deg, #5aa8ff 0%, #377bf0 100%);
    box-shadow: 0 18px 34px rgba(55, 123, 240, 0.28);
}

.hero,
.page-hero {
    padding: 5rem 0 3rem;
}

.hero-grid,
.intro-grid,
.split-layout,
.contact-grid,
.footer-grid {
    display: grid;
    gap: 2rem;
}

.hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    min-height: calc(100vh - 7rem);
}

.editorial-hero {
    max-width: 72rem;
    display: grid;
    gap: 1.5rem;
}

.hero-copy,
.hero-panel,
.section-heading,
.intro-copy,
.location-banner,
.detail-card,
.method-card,
.contact-card,
.cta-shell,
.insight-banner {
    display: grid;
    gap: 1.25rem;
}

.page-hero-compact {
    padding-top: 4rem;
}

.hero-copy h1,
.page-hero h1,
.section-heading h2,
.cta-shell h2,
.detail-card h2,
.method-card h2,
.cta-inline h2,
.contact-card h2,
.insight-banner h2 {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.hero-copy h1,
.page-hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.6rem);
    max-width: 13ch;
}

.lead,
.intro-copy,
.footer-copy,
.cta-shell p,
.contact-card p,
.detail-card p,
.method-card p,
.principle-item p,
.insight-banner p {
    color: var(--text-soft);
    font-size: 1.05rem;
}

.eyebrow,
.detail-meta,
.hero-card-label,
.card-index {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-strong);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.trust-list,
.signal-list,
.detail-list,
.footer-links,
.contact-details {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.5rem;
}

.surface-card,
.use-case-card,
.timeline-item,
.cta-shell {
    border: 1px solid rgba(255, 255, 255, 0.62);
    background: var(--surface);
    backdrop-filter: blur(22px);
    box-shadow: var(--shadow);
}

.hero-card,
.service-card,
.detail-card,
.method-card,
.mini-card,
.contact-card,
.insight-banner,
.cta-shell,
.cta-inline,
.use-case-card,
.timeline-item {
    border-radius: var(--radius-lg);
}

.hero-card,
.detail-card,
.method-card,
.contact-card,
.insight-banner,
.cta-inline {
    padding: 2rem;
}

.service-card,
.mini-card,
.use-case-card,
.timeline-item {
    padding: 1.75rem;
}

.signal-list li,
.timeline-item,
.contact-details li {
    display: grid;
    gap: 0.35rem;
}

.signal-list strong,
.service-card h3,
.timeline-item h3,
.use-case-card h3,
.mini-card h3,
.principle-item h3 {
    color: var(--text);
    font-size: 1.2rem;
    margin: 0;
}

.signal-list span,
.service-card p,
.detail-list li,
.use-case-card p,
.mini-card p,
.timeline-item p,
.footer-links li,
.trust-list li {
    color: var(--text-soft);
}

.hero-panel {
    position: relative;
}

.hero-panel::before,
.section-dark::before {
    content: "";
    position: absolute;
    inset: auto 5% 5% auto;
    width: 14rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(126, 194, 255, 0.3), rgba(126, 194, 255, 0));
    filter: blur(18px);
}

.section-block {
    position: relative;
    padding: 2rem 0 5rem;
}

.location-banner {
    padding: 2.25rem;
    border-top: 1px solid rgba(95, 90, 87, 0.08);
    border-bottom: 1px solid rgba(95, 90, 87, 0.08);
}

.section-soft {
    background: linear-gradient(180deg, rgba(250, 253, 255, 0.84) 0%, rgba(237, 245, 255, 0.42) 100%);
}

.section-dark {
    overflow: hidden;
    background:
        radial-gradient(circle at 15% 20%, rgba(126, 194, 255, 0.16), transparent 26%),
        radial-gradient(circle at 82% 18%, rgba(189, 210, 255, 0.16), transparent 28%),
        linear-gradient(135deg, #132237 0%, #19304a 55%, #224061 100%);
    color: var(--text-inverse);
}

.section-dark .eyebrow,
.section-heading-light h2,
.section-dark h3,
.section-dark p {
    color: var(--text-inverse);
}

.section-heading {
    max-width: 42rem;
    margin-bottom: 2rem;
}

.section-heading h2,
.detail-card h2,
.method-card h2,
.cta-inline h2,
.contact-card h2,
.insight-banner h2 {
    font-size: clamp(2rem, 4vw, 3.3rem);
}

.intro-grid,
.split-layout,
.contact-grid,
.footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.card-grid,
.use-case-grid,
.method-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card a,
.footer-links a,
.contact-card a {
    color: var(--primary);
    font-weight: 700;
}

.service-card h2 {
    margin: 0;
    font-size: 1.4rem;
    line-height: 1.15;
}

.detail-card {
    margin-bottom: 1.5rem;
}

.stack-layout {
    max-width: 54rem;
}

.timeline {
    display: grid;
    gap: 1rem;
}

.timeline-item {
    grid-template-columns: 4rem 1fr;
    align-items: start;
}

.timeline-item span,
.method-card span {
    display: inline-flex;
    width: 3rem;
    height: 3rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(12, 98, 121, 0.14);
    color: var(--primary-strong);
    font-weight: 800;
}

.use-case-card,
.principle-item {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.05);
}

.principles-list {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.principle-item {
    padding: 1.5rem;
    border-radius: var(--radius-md);
}

.cta-section {
    padding-bottom: 6rem;
}

.cta-shell,
.cta-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.cta-shell {
    padding: 2.5rem;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.92)),
        radial-gradient(circle at top right, rgba(126, 194, 255, 0.18), transparent 35%),
        radial-gradient(circle at bottom left, rgba(146, 221, 255, 0.16), transparent 30%);
}

.site-footer {
    padding: 2rem 0 3rem;
    border-top: 1px solid rgba(95, 90, 87, 0.08);
}

.footer-title {
    margin-bottom: 1rem;
    font-weight: 800;
}

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(95, 90, 87, 0.08);
    color: var(--text-soft);
    display: flex;
    justify-content: center;
}

.footer-contacts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.5rem;
    text-align: center;
}

.footer-contacts li {
    color: var(--text-soft);
    white-space: nowrap;
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay {
    transition-delay: 0.12s;
}

.reveal-delay-2 {
    transition-delay: 0.22s;
}

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(126, 194, 255, 0.72);
    outline-offset: 3px;
}

@keyframes driftOne {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    100% {
        transform: translate3d(6rem, 3rem, 0) scale(1.12);
    }
}

@keyframes driftTwo {
    0% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    100% {
        transform: translate3d(-5rem, 4rem, 0) scale(1.08);
    }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    body::after {
        animation: none;
    }
}

@media (max-width: 960px) {
    .hero-grid,
    .intro-grid,
    .split-layout,
    .contact-grid,
    .footer-grid,
    .card-grid,
    .use-case-grid,
    .method-grid,
    .principles-list {
        grid-template-columns: 1fr;
    }

    .nav-toggle {
        display: inline-block;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 0.5rem);
        left: 1rem;
        right: 1rem;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        border-radius: var(--radius-md);
        background: rgba(255, 252, 250, 0.96);
        box-shadow: var(--shadow);
        gap: 0.35rem;
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links .button-primary {
        width: 100%;
        min-width: 0;
        white-space: normal;
    }

    .hero,
    .page-hero {
        padding-top: 3rem;
    }

    .hero-grid {
        min-height: auto;
    }

    .cta-shell,
    .cta-inline {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 1.25rem), var(--container));
    }

    .hero-card,
    .detail-card,
    .method-card,
    .contact-card,
    .insight-banner,
    .cta-shell,
    .cta-inline,
    .service-card,
    .mini-card,
    .use-case-card,
    .timeline-item {
        padding: 1.4rem;
    }

    .site-header {
        padding: 0.75rem 0;
    }

    .footer-contacts li {
        white-space: normal;
    }
}