:root {
    --brand: #64748b;
    --ink: #0f172a;
    --muted: #64748b;
    --line: rgba(15, 23, 42, .10);
    --soft: #eceff3;
    --page: #eef2f7;
    --panel: rgba(255, 255, 255, .88);
    --panel-solid: #ffffff;
    --panel-soft: #f5f7fa;
    --header: rgba(238, 242, 247, .82);
    --logo-surface: #cfd6df;
    --logo-surface-hover: #c4cdd8;
    --alge-button: #64748b;
    --alge-button-hover: #526174;
    --alge-green: #16a34a;
    --alge-shadow: 0 14px 42px rgba(15, 23, 42, .09);
}

html.dark {
    --brand: #68778a;
    --ink: #f4f4f5;
    --muted: #9da1aa;
    --line: #2b2e34;
    --soft: #292c32;
    --page: #090a0c;
    --panel: rgba(26, 28, 33, .88);
    --panel-solid: #1a1c21;
    --panel-soft: #111318;
    --header: rgba(17, 19, 24, .78);
    --logo-surface: #292d34;
    --logo-surface-hover: #323740;
    --alge-button: #3f4856;
    --alge-button-hover: #4c5868;
    --alge-green: #4ade80;
    --alge-shadow: 0 18px 55px rgba(0, 0, 0, .40);
}

body,
html.dark body {
    color: var(--ink);
    background: var(--page);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before { display: none; }
body::after { background: color-mix(in srgb, var(--page) 82%, transparent); }

.site-header,
html.dark .site-header {
    height: 76px;
    border-bottom: 1px solid var(--line) !important;
    background: var(--header) !important;
    box-shadow: none;
    backdrop-filter: blur(20px) saturate(145%);
    -webkit-backdrop-filter: blur(20px) saturate(145%);
}

.site-header > div { max-width: 1240px; height: 76px; }
.logo-mark,
.brand-logo:hover .logo-mark,
.brand-logo:focus .logo-mark,
.brand-logo:active .logo-mark {
    border-radius: 10px;
    background: var(--logo-surface) !important;
    color: var(--ink) !important;
    box-shadow: none !important;
}
.brand-logo:hover .logo-mark,
.brand-logo:focus .logo-mark { background: var(--logo-surface-hover) !important; }
.logo-mark::after,
.brand-logo:hover .logo-mark::after { display: none !important; }
.logo-text strong { color: var(--ink); }
.logo-text strong span { color: var(--ink); }
.logo-text small { color: var(--muted); }
.brand-logo:hover,
.brand-logo:focus,
.brand-logo:active,
.brand-logo:hover .logo-text strong,
.brand-logo:hover .logo-text strong span,
html.dark .brand-logo:hover,
html.dark .brand-logo:hover .logo-text strong,
html.dark .brand-logo:hover .logo-text strong span {
    color: var(--ink) !important;
}
.nav-link { color: var(--muted); font-size: 13px; font-weight: 650; }
.nav-link:hover, .nav-link.active { color: var(--ink); }
.nav-link.active::after { background: var(--ink); }

.btn-primary,
.rounded-lg.bg-brand {
    border: 1px solid color-mix(in srgb, var(--alge-button) 72%, white);
    border-radius: 9px;
    background: var(--alge-button) !important;
    color: #fff !important;
    box-shadow: none;
}

.btn-primary:hover,
.rounded-lg.bg-brand:hover {
    background: var(--alge-button-hover) !important;
    box-shadow: none;
    transform: translateY(-1px);
}

.btn-secondary,
.icon-button {
    border-color: var(--line);
    border-radius: 9px;
    background: var(--panel-solid);
    color: var(--ink);
    box-shadow: none;
}

.btn-secondary:hover,
.icon-button:hover { border-color: #8b919b; background: var(--soft); color: var(--ink); }

.container-page { width: min(calc(100% - 2rem), 1240px); }
.page-section { padding-block: 40px; }
.home-hero-section { padding-top: 48px; }
.headline, .home-headline { color: var(--ink); letter-spacing: -.045em; }
.headline span, .home-headline span { color: var(--ink); text-decoration: underline; text-decoration-color: #94a3b8; text-decoration-thickness: 4px; text-underline-offset: 7px; }
.eyebrow { color: var(--ink); font-size: 11px; letter-spacing: .1em; }
.eyebrow i { color: #64748b; }
.lead { color: var(--muted); }

.home-hero-picture,
.home-hero-image,
.about-photo,
.portfolio-preview img { filter: saturate(.88) contrast(.98); }

.hero-mini-feature,
.mini-feature,
.service-card,
.tech-stack-card,
.portfolio-card,
.portfolio-summary-panel,
.contact-card,
.form-panel,
.mission-card,
.about-feature,
.process-grid > *,
.tech-benefit-row > *,
.illustration-panel {
    border-color: var(--line) !important;
    border-radius: 13px !important;
    background: var(--panel-solid) !important;
    color: var(--ink);
    box-shadow: none !important;
}

.service-card:hover,
.tech-stack-card:hover,
.portfolio-card:hover,
.contact-card:hover {
    border-color: #8b919b !important;
    box-shadow: var(--alge-shadow) !important;
    transform: translateY(-3px);
}

.service-icon,
.value-icon,
.icon,
.contact-icon,
.portfolio-summary-icon,
.tech-stack-icon,
.stat-icon {
    border-radius: 10px;
    background: var(--soft) !important;
    color: #64748b !important;
}

.dark-band,
.stat-band,
.cta-strip,
.rounded-lg.bg-blue-50 {
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--panel-solid) !important;
    color: var(--ink) !important;
    box-shadow: none;
}

.dark-band .text-blue-100,
.stat-band .text-blue-100,
.dark-band p,
.cta-strip .text-muted { color: var(--muted) !important; }

.home-tech-strip { border-color: var(--line); background: var(--panel-solid); }
.home-tech-item, .home-quality-badge { color: var(--muted); }
.home-tech-item i, .home-quality-badge i { color: #64748b; }

.breadcrumb { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.text-brand { color: #64748b !important; }
.text-muted { color: var(--muted) !important; }
.text-ink { color: var(--ink) !important; }

.form-field input,
.form-field select,
.form-field textarea {
    border-color: var(--line);
    border-radius: 8px;
    background: var(--panel-soft);
    color: var(--ink);
    box-shadow: none;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: #8b919b;
    outline: 3px solid color-mix(in srgb, #64748b 14%, transparent);
}

footer.bg-white,
html.dark footer.bg-white {
    border-color: var(--line) !important;
    background: var(--panel-solid) !important;
    color: var(--ink);
}

.footer-title { color: var(--ink); }
.footer-list a, .footer-contact, .footer-copy { color: var(--muted); }
.footer-social { border-color: var(--line); background: var(--panel-soft); color: var(--ink); }
.footer-social:hover { background: var(--soft); color: var(--ink); }

@media (max-width: 1023px) {
    .mobile-menu + main { padding-top: 0; }
    .mobile-menu + main > .page-section:first-child { padding-top: 0; }
    .mobile-menu + main > .home-hero-section:first-child { padding-top: .75rem; }
    .mobile-menu + main > .page-section:first-child .hero-grid,
    .mobile-menu + main > .home-hero-section:first-child .hero-grid,
    .mobile-menu + main > .home-hero-section:first-child .home-hero-copy,
    .mobile-menu + main > .page-section:first-child .tech-hero-copy,
    .mobile-menu + main > .page-section:first-child .portfolio-hero-copy,
    .mobile-menu + main > .page-section:first-child .about-copy { padding-top: 0; }

    body.menu-open main,
    body.menu-open footer { filter: none !important; transform: none !important; }

    .mobile-menu-overlay,
    html.dark .mobile-menu-overlay {
        left: min(88vw, 380px);
        background: rgba(9, 10, 12, .80) !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .mobile-menu,
    html:not(.dark) .mobile-menu {
        gap: 14px;
        padding: 16px;
        border-color: rgba(15, 23, 42, .16) !important;
        background: rgba(246, 248, 252, .68) !important;
        background-image: none !important;
        color: var(--ink);
        box-shadow: 24px 0 60px rgba(15, 23, 42, .30), inset -1px 0 0 rgba(255, 255, 255, .24) !important;
        backdrop-filter: blur(20px) saturate(145%) !important;
        -webkit-backdrop-filter: blur(20px) saturate(145%) !important;
    }

    html.dark .mobile-menu {
        border-color: rgba(255, 255, 255, .12) !important;
        background: rgba(17, 19, 24, .68) !important;
        background-image: none !important;
        color: var(--ink);
        box-shadow: 24px 0 60px rgba(0, 0, 0, .52), inset -1px 0 0 rgba(255, 255, 255, .06) !important;
        backdrop-filter: blur(20px) saturate(145%) !important;
        -webkit-backdrop-filter: blur(20px) saturate(145%) !important;
    }

    .mobile-menu::before,
    html.dark .mobile-menu::before { display: none !important; }

    .mobile-menu__header { min-height: 62px; padding: 0 0 14px; border-color: var(--line); }

    .mobile-menu__header .icon-button {
        width: 40px;
        height: 40px;
        border: 1px solid var(--line);
        border-radius: 9px;
        background: var(--panel-soft);
        color: var(--ink);
    }

    .mobile-menu__nav { gap: 5px; }

    .mobile-link,
    html.dark .mobile-link {
        display: grid;
        min-height: 52px;
        grid-template-columns: 36px minmax(0, 1fr) 18px;
        align-items: center;
        gap: 10px;
        padding: 7px 10px;
        border: 1px solid transparent !important;
        border-radius: 9px;
        background: transparent !important;
        color: var(--muted) !important;
        font-size: 14px;
        font-weight: 650;
        box-shadow: none !important;
    }

    .mobile-link:hover,
    .mobile-link:focus-visible,
    .mobile-link.active,
    html.dark .mobile-link:hover,
    html.dark .mobile-link:focus-visible,
    html.dark .mobile-link.active {
        border-color: var(--line) !important;
        background: var(--soft) !important;
        color: var(--ink) !important;
    }

    .mobile-link.active::before { display: none !important; }

    .mobile-link__icon {
        display: grid;
        width: 36px;
        height: 36px;
        place-items: center;
        border: 1px solid var(--line);
        border-radius: 9px;
        background: var(--panel-soft);
        color: var(--muted);
    }

    .mobile-link.active .mobile-link__icon { background: var(--logo-surface); color: var(--ink); }
    .mobile-link__arrow { justify-self: end; color: var(--muted); font-size: 16px; }

    .mobile-menu__actions { gap: 9px; padding-top: 14px; border-color: var(--line); }
    .mobile-menu__actions .btn-primary { min-height: 44px; border-radius: 9px; }
    .mobile-menu__actions .icon-button {
        width: 44px;
        height: 44px;
        border-color: var(--line);
        border-radius: 9px;
        background: var(--panel-soft);
        color: var(--ink);
    }
}

@media (max-width: 700px) {
    .page-section { padding-block: 32px; }
    .home-hero-section { padding-top: 36px; }
    .headline, .home-headline { font-size: clamp(2.15rem, 11vw, 2.8rem); }
}

/* Serviços */
.services-visual { min-height: 430px; overflow: hidden; background: var(--panel-solid) !important; }
.services-window { filter: none; }
.services-monitor,
.services-sidebar,
.services-phone,
.services-float,
html.dark .services-monitor,
html.dark .services-sidebar,
html.dark .services-phone,
html.dark .services-float {
    border-color: var(--line) !important;
    background: var(--panel-soft) !important;
    color: #64748b !important;
    box-shadow: var(--alge-shadow) !important;
}
.services-sidebar span { background: color-mix(in srgb, #64748b 20%, transparent) !important; }
.services-sidebar span:first-child { background: #64748b !important; }
.service-card { padding: 26px; }
.service-card h2 { color: var(--ink); font-size: 20px; letter-spacing: -.025em; }
.service-card a { color: #64748b !important; }
.process-grid { gap: 13px; }
.process-grid > article { min-height: 150px; padding: 22px; }
.process-grid h3 { color: var(--ink); font-size: 15px; }

/* Portfólio */
.portfolio-hero-copy { padding-top: 14px; }
.portfolio-hero-text, .portfolio-summary-panel p { color: var(--muted); }
.portfolio-hero-tags span { border-color: var(--line); background: var(--panel-solid); color: var(--muted); }
.portfolio-hero-tags i { color: var(--alge-green); }
.portfolio-summary-panel { padding: 28px !important; }
.portfolio-summary-item { border-color: var(--line) !important; background: var(--panel-soft) !important; }
.portfolio-summary-item strong { color: var(--ink); }
.portfolio-summary-item span:not(.portfolio-summary-icon) { color: var(--muted); }
.portfolio-filter {
    border: 1px solid var(--line) !important;
    border-radius: 9px !important;
    background: var(--panel-solid) !important;
    color: var(--muted) !important;
}
.portfolio-filter:hover { border-color: #8b919b !important; color: var(--ink) !important; }
.portfolio-card { overflow: hidden; border-radius: 14px !important; }
.portfolio-preview,
html.dark .portfolio-preview,
.portfolio-preview--portrait,
html.dark .portfolio-preview--portrait { border-color: var(--line); background: var(--panel-soft) !important; }
.portfolio-tag { border: 1px solid var(--line); background: var(--soft) !important; color: var(--muted) !important; }
.portfolio-modal__backdrop { background: rgba(0, 0, 0, .80); backdrop-filter: none; }
.portfolio-modal__dialog { border: 1px solid var(--line); border-radius: 15px; background: var(--panel-solid); color: var(--ink); box-shadow: var(--alge-shadow); }
.portfolio-modal__header, .portfolio-modal__footer { border-color: var(--line); background: var(--panel-solid); }
.portfolio-modal__body { background: var(--panel-soft); }
.portfolio-modal__nav { border-color: var(--line); background: var(--panel-solid); color: var(--ink); }

/* Sobre */
.about-page { padding-top: 32px; }
.about-hero { gap: 45px; }
.about-photo-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--panel-solid); box-shadow: var(--alge-shadow); }
.about-photo-wrap::after { display: none; }
.about-photo { border-radius: 0; }
.about-feature { padding: 18px !important; }
.about-feature strong { color: var(--ink); font-size: 14px; }
.about-feature p { color: var(--muted); }
.about-stat-band { padding: 25px; }
.stat-item { border-color: var(--line) !important; }
.stat-item strong, .stat-item .font-black { color: var(--ink); }
.about-bottom-grid { gap: 15px; }
.about-mission-card, .about-values-card { padding: 30px !important; }
.about-mission-card h2 { color: var(--ink); letter-spacing: -.035em; }
.about-mission-card p, .about-value-item p { color: var(--muted); }
.about-mission-card li i { color: var(--alge-green); }
.about-mission-visual,
.about-mission-visual .monitor,
.about-mission-visual > span { border-color: var(--line) !important; background: var(--panel-soft) !important; color: #64748b !important; box-shadow: none !important; }
.about-value-item { border-color: var(--line) !important; }
.about-value-item h3 { color: var(--ink); }

@media (max-width: 700px) {
    .services-visual { min-height: 330px; }
    .service-card, .portfolio-summary-panel, .about-mission-card, .about-values-card { padding: 21px !important; }
    .about-hero { gap: 28px; }
}