:root {
    --pb-color-primary: #2563eb;
    --pb-color-primary-hover: #1d4ed8;
    --pb-color-text: #0f172a;
    --pb-color-text-muted: #64748b;
    --pb-color-border: #e2e8f0;
    --pb-color-surface: #ffffff;
    --pb-color-bg: #f8fafc;
    --pb-layout-max: 72rem;
    --pb-layout-padding-x: 1.25rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--pb-color-text);
    background: var(--pb-color-bg);
}

a {
    color: var(--pb-color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--pb-color-primary-hover);
}

.pb-site-header {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--pb-color-border);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.pb-site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--pb-layout-max);
    margin: 0 auto;
    padding: 0.85rem var(--pb-layout-padding-x);
}

.pb-site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: inherit;
    text-decoration: none;
}

.pb-site-header__brand:hover .pb-site-header__name {
    color: var(--pb-color-primary);
}

.pb-site-header__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.65rem;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.28);
}

.pb-site-header__brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.pb-site-header__name {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.pb-site-header__tagline {
    font-size: 0.8125rem;
    line-height: 1.3;
    color: var(--pb-color-text-muted);
}

.pb-site-nav__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pb-site-nav__link {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pb-color-text);
    text-decoration: none;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.pb-site-nav__link:hover {
    background: rgba(37, 99, 235, 0.08);
    color: var(--pb-color-primary);
}

.pb-hero {
    max-width: var(--pb-layout-max);
    margin: 0 auto;
    padding: 4rem var(--pb-layout-padding-x) 3rem;
}

.pb-hero__eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pb-color-primary);
}

.pb-hero__title {
    margin: 0 0 1rem;
    max-width: 18ch;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.pb-hero__lead {
    margin: 0;
    max-width: 42rem;
    font-size: 1.125rem;
    color: var(--pb-color-text-muted);
}

.pb-section {
    max-width: var(--pb-layout-max);
    margin: 0 auto;
    padding: 0 var(--pb-layout-padding-x) 4rem;
}

.pb-section__title {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pb-section__subtitle {
    margin: 0 0 1.5rem;
    color: var(--pb-color-text-muted);
}

.pb-product-category {
    margin-bottom: 2.75rem;
    padding-top: 0.25rem;
}

.pb-product-category:last-child {
    margin-bottom: 0;
}

.pb-product-category__heading {
    margin: 0 0 0.35rem;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pb-product-category__subtitle {
    margin: 0 0 1rem;
    color: var(--pb-color-text-muted);
    font-size: 0.95rem;
}

.pb-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: 1.25rem;
}

.pb-product-grid--single {
    grid-template-columns: minmax(0, 28rem);
}

.pb-product-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--pb-color-surface);
    border: 1px solid var(--pb-color-border);
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.pb-product-card:hover {
    border-color: rgba(37, 99, 235, 0.25);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.pb-product-card__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.pb-product-card__mark--game {
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
}

.pb-product-card__mark--code {
    background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
}

.pb-product-card__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pb-product-card__desc {
    margin: 0;
    flex: 1;
    color: var(--pb-color-text-muted);
}

.pb-product-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.2;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.pb-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.pb-btn--primary {
    background: var(--pb-color-primary);
    color: #fff;
}

.pb-btn--primary:hover {
    background: var(--pb-color-primary-hover);
    color: #fff;
}

.pb-btn--primary:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.28);
}

.pb-btn--secondary {
    background: transparent;
    color: var(--pb-color-text);
    border-color: var(--pb-color-border);
}

.pb-btn--secondary:hover {
    background: rgba(37, 99, 235, 0.06);
    color: var(--pb-color-primary);
    border-color: rgba(37, 99, 235, 0.2);
}

.pb-services {
    padding: 2rem;
    background: var(--pb-color-surface);
    border: 1px solid var(--pb-color-border);
    border-radius: 1rem;
}

.pb-services__lead {
    margin: 0 0 1.25rem;
    color: var(--pb-color-text-muted);
}

.pb-services__list {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--pb-color-text-muted);
}

.pb-services__list li + li {
    margin-top: 0.35rem;
}

.pb-services__cta {
    margin: 1.5rem 0 0;
}

.pb-contact {
    padding: 0;
    background: var(--pb-color-surface);
    border: 1px solid var(--pb-color-border);
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
    overflow: hidden;
}

.pb-contact__layout {
    display: grid;
    grid-template-columns: minmax(18rem, 22rem) minmax(0, 1fr);
    gap: 0;
}

.pb-contact__intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-right: 1px solid var(--pb-color-border);
}

.pb-contact__lead {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--pb-color-text-muted);
}

.pb-contact__direct {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.pb-contact__direct-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pb-color-text-muted);
}

.pb-contact__email {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    word-break: normal;
    overflow-wrap: normal;
}

.pb-contact__panel {
    padding: 2rem;
    background: var(--pb-color-surface);
}

.pb-contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
    max-width: 40rem;
}

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

.pb-contact-form__field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    min-width: 0;
}

.pb-contact-form__field--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.pb-contact-form__label {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--pb-color-text);
}

.pb-contact-form__optional {
    font-weight: 500;
    color: var(--pb-color-text-muted);
}

.pb-contact-form__input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--pb-color-border);
    border-radius: 0.65rem;
    font: inherit;
    line-height: 1.4;
    color: var(--pb-color-text);
    background: #fff;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.pb-contact-form__input::placeholder {
    color: #94a3b8;
}

.pb-contact-form__input:hover {
    border-color: #cbd5e1;
}

.pb-contact-form__input:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.55);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.pb-contact-form__input--error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.pb-contact-form__textarea {
    resize: vertical;
    min-height: 9.5rem;
    padding-top: 0.85rem;
}

.pb-contact-form__field-error {
    min-height: 1.1rem;
    font-size: 0.8125rem;
    line-height: 1.3;
    color: #dc2626;
}

.pb-contact-form__field-error[hidden] {
    display: none;
}

.pb-contact-form__actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    padding-top: 0.35rem;
}

.pb-contact-form__actions .pb-btn--primary {
    min-width: 9.5rem;
    padding: 0.72rem 1.35rem;
}

.pb-contact-form__status {
    margin: 0;
    padding: 0.85rem 1rem;
    border-radius: 0.65rem;
    font-size: 0.9375rem;
    line-height: 1.45;
}

.pb-contact-form__status--success {
    background: rgba(22, 163, 74, 0.1);
    color: #15803d;
    border: 1px solid rgba(22, 163, 74, 0.2);
}

.pb-contact-form__status--error {
    background: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
    border: 1px solid rgba(220, 38, 38, 0.18);
}

.pb-contact-form__status[hidden] {
    display: none;
}

@media (max-width: 900px) {
    .pb-contact__layout {
        grid-template-columns: 1fr;
    }

    .pb-contact__intro {
        border-right: none;
        border-bottom: 1px solid var(--pb-color-border);
    }
}

@media (max-width: 768px) {
    .pb-contact-form__row {
        grid-template-columns: 1fr;
    }

    .pb-contact-form__actions .pb-btn--primary {
        width: 100%;
    }
}

.pb-about-company {
    margin-bottom: 1.25rem;
    padding: 2rem;
    background: var(--pb-color-surface);
    border: 1px solid var(--pb-color-border);
    border-radius: 1rem;
}

.pb-about-company p {
    margin: 0;
    color: var(--pb-color-text-muted);
}

.pb-founder {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--pb-color-surface);
    border: 1px solid var(--pb-color-border);
    border-radius: 1rem;
}

.pb-founder__photo {
    display: block;
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    border: 2px solid #fff;
}

.pb-founder__body {
    flex: 1;
    min-width: min(100%, 18rem);
}

.pb-founder__label {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pb-color-text-muted);
}

.pb-founder__name {
    margin: 0 0 0.25rem;
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.pb-founder__role {
    margin: 0 0 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pb-color-primary);
}

.pb-founder__bio {
    margin: 0;
    color: var(--pb-color-text-muted);
}

.pb-site-footer {
    margin-top: 2rem;
    border-top: 1px solid var(--pb-color-border);
    background: #fff;
}

.pb-site-footer__inner {
    max-width: var(--pb-layout-max);
    margin: 0 auto;
    padding: 1.5rem var(--pb-layout-padding-x);
    font-size: 0.875rem;
    color: var(--pb-color-text-muted);
}

.pb-site-footer__text {
    margin: 0;
}

.pb-site-footer__text a {
    color: var(--pb-color-text-muted);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.pb-site-footer__text a:hover {
    color: var(--pb-color-primary);
}

@media (max-width: 640px) {
    .pb-hero {
        padding-top: 2.5rem;
    }

    .pb-site-header__tagline {
        display: none;
    }
}