:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --text: #101828;
    --muted: #667085;
    --dark: #0d1726;
    --accent: #2764ff;
    --line: #e5e9f0;
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    color: var(--text);
    background: var(--bg);
}

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

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
}

.nav {
    height: 76px;
    display: flex;
    align-items: center;
    gap: 36px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 19px;
    font-weight: 800;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    background: var(--dark);
    color: white;
}

.menu {
    margin-left: auto;
    display: flex;
    gap: 28px;
    color: #475467;
    font-size: 14px;
    font-weight: 600;
}

.menu a:hover {
    color: var(--accent);
}

.nav-button {
    padding: 11px 17px;
    border-radius: 11px;
    background: var(--dark);
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.hero {
    padding: 92px 0 80px;
    background:
        radial-gradient(
            circle at 80% 10%,
            rgba(39,100,255,.14),
            transparent 32%
        );
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.18fr .82fr;
    gap: 72px;
    align-items: center;
}

.eyebrow,
.section-label,
.section-heading > span {
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

h1 {
    max-width: 760px;
    margin: 18px 0 22px;
    font-size: clamp(44px, 6vw, 74px);
    line-height: 1.02;
    letter-spacing: -.055em;
}

h1 span {
    color: var(--accent);
}

.hero-text {
    max-width: 680px;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 13px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 750;
}

.button.primary {
    background: var(--accent);
    color: white;
}

.button.secondary {
    background: white;
    border: 1px solid var(--line);
}

.hero-points {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 17px;
    color: #475467;
    font-size: 13px;
}

.hero-panel {
    padding: 28px;
    border-radius: 28px;
    background: var(--dark);
    color: white;
    box-shadow: 0 30px 70px rgba(13,23,38,.2);
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #cbd5e1;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #39d98a;
    box-shadow: 0 0 0 4px rgba(57,217,138,.13);
}

.hero-panel h2 {
    margin: 22px 0 10px;
    font-size: 28px;
}

.hero-panel > p {
    color: #aeb9c9;
    line-height: 1.65;
}

.ai-preview {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-message,
.user-message {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 13px;
    line-height: 1.5;
}

.ai-message {
    max-width: 88%;
    background: rgba(255,255,255,.09);
}

.user-message {
    align-self: flex-end;
    max-width: 82%;
    background: var(--accent);
}

.hero-panel .hint {
    margin-bottom: 0;
    font-size: 12px;
}

.section {
    padding: 90px 0;
}

.section-heading {
    max-width: 680px;
    margin-bottom: 42px;
}

.section h2,
.section-heading h2 {
    margin: 12px 0 14px;
    font-size: clamp(34px, 4vw, 48px);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.section-heading p,
.section p {
    color: var(--muted);
    line-height: 1.7;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    transition: transform .2s ease;
}

.card:hover {
    transform: translateY(-4px);
}

.icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 13px;
    background: #edf3ff;
    color: var(--accent);
    font-size: 21px;
}

.card h3 {
    margin: 0 0 10px;
    font-size: 20px;
}

.card p {
    min-height: 82px;
}

.card a {
    color: var(--accent);
    font-weight: 750;
}

.dark-section {
    background: var(--dark);
    color: white;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.dark-section h2 {
    max-width: 540px;
}

.feature-list {
    display: grid;
    gap: 14px;
}

.feature-list > div {
    padding: 20px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    background: rgba(255,255,255,.045);
}

.feature-list strong,
.feature-list span {
    display: block;
}

.feature-list span {
    margin-top: 6px;
    color: #aeb9c9;
    font-size: 14px;
}

.ai-section {
    background: white;
}

.ai-box {
    padding: 34px;
    border-radius: 26px;
    background: #edf3ff;
}

.ai-logo {
    font-size: 32px;
    color: var(--accent);
}

.ai-box button {
    margin-top: 12px;
    padding: 12px 16px;
    border: 0;
    border-radius: 11px;
    background: var(--accent);
    color: white;
    font-weight: 700;
    cursor: pointer;
}

.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-section {
    padding-top: 30px;
}

.contact-box {
    padding: 50px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    border-radius: 28px;
    background: var(--accent);
    color: white;
}

.contact-box p {
    color: rgba(255,255,255,.8);
}

.contact-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 13px;
}

.button.light {
    background: white;
    color: var(--accent);
}

.contact-actions span {
    font-size: 13px;
    color: rgba(255,255,255,.8);
}

footer {
    padding: 54px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    color: var(--muted);
    font-size: 13px;
}

.footer-content strong {
    color: var(--text);
}

@media (max-width: 820px) {
    .menu {
        display: none;
    }

    .nav-button {
        margin-left: auto;
    }

    .hero {
        padding-top: 58px;
    }

    .hero-grid,
    .split,
    .about {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .contact-box {
        padding: 34px 25px;
        flex-direction: column;
    }
}

/* V16.0j-2a — Hero polish */

.hero-copy {
    max-width: 690px;
}

.hero h1 {
    font-size: clamp(46px, 5.2vw, 68px);
    line-height: 1.03;
}

.hero-text {
    max-width: 650px;
}

.hero-panel {
    position: relative;
    overflow: hidden;
}

.hero-panel::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    right: -90px;
    top: -90px;
    border-radius: 50%;
    background: rgba(39, 100, 255, .16);
    filter: blur(4px);
    pointer-events: none;
}

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

.nav a {
    transition:
        color .18s ease,
        background .18s ease,
        transform .18s ease;
}

.nav-button:hover {
    transform: translateY(-1px);
    background: #1d2939;
}

.button {
    transition:
        transform .18s ease,
        box-shadow .18s ease,
        background .18s ease;
}

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

.button.primary:hover {
    box-shadow: 0 10px 28px rgba(39, 100, 255, .24);
}

@media (max-width: 1100px) {
    .hero-grid {
        gap: 44px;
    }

    .hero h1 {
        font-size: clamp(44px, 5.5vw, 62px);
    }
}

/* V16.0j-2b — Services + About */

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

.card {
    display: flex;
    flex-direction: column;
}

.card p {
    min-height: 105px;
}

.card a {
    margin-top: auto;
}

.about-points {
    margin-top: 30px;
    display: grid;
    gap: 12px;
}

.about-points > div {
    position: relative;
    padding: 18px 20px 18px 62px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
}

.about-points span {
    position: absolute;
    left: 18px;
    top: 18px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

.about-points strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
}

.about-points p {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
}

@media (max-width: 1100px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 820px) {
    .cards {
        grid-template-columns: 1fr;
    }

    .card p {
        min-height: auto;
    }
}