/* ==========================================================================
   FlowingBot — Design tokens
   ========================================================================== */
:root {
    --paper: #F8FAFD;
    --paper-raised: #FFFFFF;
    --paper-alt: #EEF3FA;
    --line: #DCE4F0;
    --line-strong: #C3D0E6;

    --ink: #0A1B3D;
    --ink-soft: #4C5A78;
    --ink-faint: #8792A8;

    --blue: #1E4FE0;
    --blue-deep: #0B2C82;
    --blue-tint: #E8EFFD;

    --green: #16B378;
    --green-tint: #E3F8EF;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --container: 1180px;
    --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}

.eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
}

:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ==========================================================================
   Nav
   ========================================================================== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    background: rgba(248, 250, 253, 0.82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s, background 0.25s;
}

nav.is-scrolled {
    border-bottom-color: var(--line);
    background: rgba(248, 250, 253, 0.96);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-mark {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}

.brand-word {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.12rem;
    color: var(--ink);
    letter-spacing: -0.01em;
}

.brand-word span { color: var(--blue); }

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

.nav-links a {
    text-decoration: none;
    color: var(--ink-soft);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--blue); }

.nav-cta {
    font-family: var(--font-mono);
    font-size: 0.78rem !important;
    letter-spacing: 0.04em;
    color: var(--ink) !important;
    border: 1px solid var(--line-strong);
    padding: 9px 16px;
    border-radius: 7px;
    transition: border-color 0.2s, background 0.2s;
}

.nav-cta:hover {
    border-color: var(--blue);
    background: var(--blue-tint);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    margin: 5px 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    padding: 13px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.94rem;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 1px 2px rgba(11, 44, 130, 0.15);
}

.btn-primary:hover {
    background: var(--blue-deep);
    box-shadow: 0 6px 18px rgba(30, 79, 224, 0.28);
    transform: translateY(-1px);
}

.btn-ghost {
    border: 1px solid var(--line-strong);
    color: var(--ink);
}

.btn-ghost:hover {
    border-color: var(--blue);
    color: var(--blue);
}

/* ==========================================================================
   Hero — STRICT BLOCK CENTERING (Niente due colonne!)
   ========================================================================== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    overflow: hidden;
    
    /* FORZIAMO IL BLOCCO E IL TESTO CENTRATO */
    display: block !important;
    text-align: center !important;
}

/* Bagliore di sfondo */
.hero::before {
    content: "";
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--blue-tint) 0%, rgba(255,255,255,0) 70%);
    z-index: 0;
    pointer-events: none;
}

/* Linea blu che scorre come un segnale (stessa curva del logo) */
.hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 28px;
    height: 40px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='40' viewBox='0 0 160 40'%3E%3Cpath d='M0 20C20 20 20 6 40 6S60 20 80 20S100 34 120 34S140 20 160 20' fill='none' stroke='%231E4FE0' stroke-width='1.6' stroke-opacity='.55'/%3E%3C/svg%3E") repeat-x 0 0;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent);
    animation: signal 9s linear infinite;
    pointer-events: none;
}

.about-hero::after { display: none; }

@keyframes signal { to { background-position-x: 160px; } }

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 800px !important;
    
    /* FORZIAMO IL CONTAINER COME BLOCCO CENTRATO */
    display: block !important;
    margin: 0 auto !important;
}

/* Tutti i figli del container devono essere blocchi centrati */
.hero-container > * {
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

/* ==========================================================================
   Tipografia Hero
   ========================================================================== */
.hero h1 {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    line-height: 1.05;
    margin: 0 auto 24px auto !important;
}

.hero h1 span { 
    color: var(--blue); 
}

.hero .lede {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 600px;
    margin: 0 auto 40px auto !important; /* Centra il paragrafo */
}

.hero-actions {
    display: flex !important; /* Questo serve solo ad affiancare i due bottoni */
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto !important;
}

/* ==========================================================================
   About Page Hero (Allineato a sinistra)
   ========================================================================== */
.about-hero {
    padding-bottom: 72px;
    text-align: left !important; /* Ripristina sinistra per about */
}

.about-hero::before {
    display: none;
}

.about-hero-container {
    max-width: 720px !important;
}

.about-hero-container > * {
    margin-left: 0 !important; /* Allinea tutto a sinistra */
}

/* ==========================================================================
   Sections (generic)
   ========================================================================== */
section { padding: 96px 0; }

.section-head {
    max-width: 800px;
    margin-bottom: 56px;
}

.section-head h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    margin-bottom: 14px;
}

.section-head p {
    color: var(--ink-soft);
    font-size: 1.02rem;
}

/* --- Capability grid --- */
.cap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.cap-card {
    background: var(--paper-raised);
    padding: 38px 34px;
    transition: background 0.2s;
}

.cap-card:hover { background: var(--paper-alt); }

.cap-code {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--blue);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    display: block;
}

.cap-card h3 {
    font-size: 1.18rem;
    margin-bottom: 10px;
}

.cap-card p {
    color: var(--ink-soft);
    font-size: 0.95rem;
}

/* --- Lab / projects --- */
.lab-alt { background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.lab-grid {
    display: grid;
    gap: 18px;
}

.lab-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 30px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
}

.lab-card-main h3 {
    font-size: 1.12rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ink-faint);
    flex-shrink: 0;
}

.status-dot.is-online {
    background: var(--green);
    box-shadow: 0 0 0 3px var(--green-tint);
}

.status-tag {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    color: var(--ink-faint);
    text-transform: uppercase;
}

.status-tag.is-online { color: var(--green); }

.lab-card-main p {
    color: var(--ink-soft);
    font-size: 0.93rem;
    max-width: 560px;
}

.lab-card-main .stack-tags {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.stack-tags span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--ink-soft);
    background: var(--paper-alt);
    border: 1px solid var(--line);
    padding: 3px 9px;
    border-radius: 5px;
}

.lab-card-link {
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--blue);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}

.lab-card-link:hover { gap: 10px; }

/* --- CTA band --- */
.cta-band {
    background: var(--ink);
    border-radius: 18px;
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-band h2 {
    color: #fff;
    font-size: 1.7rem;
    max-width: 460px;
}

.cta-band p {
    color: #A9B5D1;
    margin-top: 10px;
    font-size: 0.95rem;
}

.cta-band .btn-primary {
    flex-shrink: 0;
}

/* ==========================================================================
   About page specifics
   ========================================================================== */
.approach {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.approach-step {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 30px 26px;
}

.approach-code {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--blue);
    letter-spacing: 0.08em;
    margin-bottom: 40px;
    display: block;
}

.approach-step h3 {
    font-size: 1.02rem;
    margin-bottom: 8px;
}

.approach-step p {
    font-size: 0.88rem;
    color: var(--ink-soft);
}

.stack-domain {
    margin-bottom: 30px;
}

.stack-domain-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 12px;
}

.stack-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.stack-pills span {
    font-size: 0.87rem;
    font-weight: 500;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    padding: 8px 15px;
    border-radius: 20px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px;
}

.value-card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.value-card p { color: var(--ink-soft); font-size: 0.93rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    border-top: 1px solid var(--line);
    padding: 44px 0;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink-faint);
}

.footer-mail {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--ink);
    border-bottom: 1px solid var(--blue);
    padding-bottom: 2px;
    transition: color 0.2s;
}

.footer-mail:hover { color: var(--blue); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
    .cap-grid { grid-template-columns: 1fr; }
    .approach { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: 1fr; }
    .lab-card { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 720px) {
    .nav-links {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--paper-raised);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 32px 26px;
        gap: 18px;
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s, transform 0.2s;
    }
    .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-toggle { display: block; }
    .approach { grid-template-columns: 1fr; }
    .cta-band { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}


/* ==========================================================================
   Blog & Article Styles (Aggiunte)
   ========================================================================== */
.article-header {
    padding: 140px 0 40px;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
}

.article-header-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 32px;
}

.article-meta {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--ink-faint);
    margin-bottom: 24px;
    display: flex;
    gap: 16px;
    align-items: center;
}

.article-header h1 {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.article-body {
    max-width: 720px;
    margin: 60px auto;
    padding: 0 32px;
    font-size: 1.08rem;
    line-height: 1.7;
    color: var(--ink-soft);
}

.article-body p {
    margin-bottom: 24px;
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--ink);
    margin: 48px 0 20px;
}

.giscus-wrapper {
    max-width: 720px;
    margin: 60px auto 100px;
    padding: 0 32px;
    border-top: 1px solid var(--line);
    padding-top: 60px;
}