/* ROOTS */
:root{
    --paper: #FBFAF7;
    --ink: #1B2430;
    --ink-soft: #4B5867;
    --blueprint: #2F5D8A;
    --blueprint-soft: rgba(47,93,138,0.12);
    --signal: #C4842A;
    --line: #DCE1E6;

    --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;
    --font-sans: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --wrap: 1080px;
}

*{
    box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
}

@media(prefers-reduced-motion: reduce){
    html{
        scroll-behavior: auto;
    }
    *{
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

body{
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.55;
    -webkit-font-smooting: antialised;
}

.wrap{
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 28px;
}

a{
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover, a:focus-visible{
    color: var(--signal);
    cursor: pointer;
    border-color: var(--signal);
}

h1, h2, h3{
    font-family: var(--font-mono);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

/* BACKGROUND GRID */
.grid-overlay{
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 0.5;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
}

header, main, footer{
    position: relative;
    z-index: 1;
}

/* HEADER / NAV */
.site-header{
    position: relative;
    z-index: 10;
    background: rgba(251, 250, 247, 0.86);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
}

.header-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.mark{
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    color: var(--ink);
}

.mark-dot{
    color: var(--signal);
}

.main-nav{
    display: flex;
    gap: 32px;
}

.main-nav a{
    font-size: 0.95rem;
    color: var(--ink-soft);
    padding-bottom: 2px;
}

.nav-toggle{
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span{
    width: 22px;
    height: 2px;
    background: var(--ink);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* HERO */
.hero{
    padding: clamp(48px, 10vw, 5.5rem);
    max-width: 756px;
}

.hero-title{
    font-size: clamp(2.1rem, 4.6vw, 3.4rem);
    line-height: 1.12;
    color: var(--ink);
    opacity: 0;
    animation: rise 0.6s ease 0.08s forwards;
}

.hero-sub{
    margin: 2rem 0 0;
    max-width: 56ch;
    color: var(--ink-soft);
    font-size: 1.05rem;
    opacity: 0;
    animation: rise 0.6s ease 0.18s forwards;
}

.hero-action{
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    opacity: 0;
    animation: rise 0.6s ease 0.28s forwards;
}

@keyframes rise {
    from{
        opacity: 0;
        transform: translateY(10px);
    }
    to{
        opacity: 1;
        transform: translateY(0);
    }
}

.btn{
    /* display: inline-block; */
    font-family: var(--font-mono);
    font-size: 0.92rem;
    text-decoration: none;
    border: 1px solid var(--ink);
    padding: 0.75rem 0.85rem;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: center;
}

.btn-primary{
    background: var(--ink);
    color: var(--paper);
}

.btn-primary:hover,
.btn-primary:focus-visible{
    background: var(--paper);
    border-color: var(--signal);
    color: var(--signal);
}

.btn-ghost{
    background: transparent;
    color: var(--ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible{
    background: var(--signal);
    color: var(--paper);
}

/* SECTION */
.section{
    padding: clamp(48px, 10vw, 5.5rem);
    border-top: 1px solid var(--line);
}

.section-head{
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1.3rem;
}

.section-index{
    font-family: var(--font-mono);
    color: var(--blueprint);
    font-size: 0.9rem;
}

.section-head h2{
    font-size: 1.5rem;
}

/* CHI SONO */
.about-grid{
    display: flex;
    grid-template-columns: 1.3fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text{
    margin: 0;
    color: var(--ink-soft);
    max-width: 60ch;
}

.stack-list{
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1.10rem;
}

.stack-list li{
    position: relative;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.7rem 1rem;
    border: 1px solid var(--line);
    color: var(--ink-soft);
}

/* PROGETTI */
.project-list{
    display: grid;
    gap: 2rem;
}

.project-card{
    position: relative;
    border: 1px solid var(--line);
    padding: 1.3rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.45rem;
    flex-wrap: wrap;
    transition: border-color 0.15s ease;
}

.project-card:hover{
    border-color: var(--paper);
}

.corner{
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--blueprint);
    opacity: 0;
    transition: opaciry 0.15s ease;
}

.project-card:hover .corner{
    opacity: 1;
}
.corner-tl{
    top: -1px;
    left: -1px;
    border-top: 2px solid;
    border-left: 2px solid;
}
.corner-tr{
    top: -1px;
    right: -1px;
    border-top: 2px solid;
    border-right: 2px solid;
}
.corner-bl{
    bottom: -1px;
    left: -1px;
    border-bottom: 2px solid;
    border-left: 2px solid;
}
.corner-br{
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid;
    border-right: 2px solid;
}

.project-body p{
    margin: 0 0 1rem;
    color: var(--ink-soft);
    max-width: 52ch;
}

.tag-list{
    list-style: none;
    display: flex;
    gap: 1.4rem;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.tag-list li{
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--blueprint);
    background: var(--blueprint-soft);
    padding: 0.7rem 1rem;
}

.project-links{
    display: flex;
    gap: 18px;
    flex-shrink: 0;
}

.project-links a{
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding-bottom: 0.5rem;
    color: var(--ink-soft);
}

.projec-links a:hover,
.project-links a:focus-visible{
    color: var(--signal) !important;
    border-color: var(--signal);
}

/* SERVIZI */
.services-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-item{
    border-top: 2px solid var(--line);
    padding-top: 1.6rem;
}

.service-item h3{
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.service-item p{
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.96rem;
}

.service-prezzi{
    font-style: italic;
    font-size: 0.95rem !important;
}

/* CONTATTI */
.contact-lead{
    max-width: 52ch;
    color: var(--ink-soft);
    margin: 0 0 2.3rem;
}

.contact-grid{
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem;
}

.contact-link{
    font-family: var(--font-mono);
    border: 1px solid var(--ink);
    padding: 0.75rem 0.85rem;
    font-size: 0.92rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.contact-link:hover,
.contact-link:focus-visible{
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
}

/* FOOTER */
.site-footer{
    padding: 0 clamp(48px, 10vw, 5.5rem);
    color: var(--ink-soft);
    font-size: 0.85rem;
    border-top: 1px solid var(--line);
}

/* RESPONSIVE */
@media (max-width: 760px){
    .main-nav{
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        gap: 0;
        padding: 1rem 3rem 2.4rem;
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.18s ease, opacity 0.18s ease;
    }

    .main-nav.open{
        transform: translate(0);
        opacity: 1;
        pointer-events: auto;

    }

    .main-nav a{
        padding: 2rem 0;
        border-bottom: 1px solid var(--line);
    }

    .nav-toggle{
        display: flex;
    }

    .about-grid{
        grid-template-columns: 1fr;
        flex-direction: column;
    }
    .services-grid{
        grid-template-columns: 1fr;
    }
    .project-card{
        flex-direction: column;
        align-items: flex-start;
    }

    .project-links a{
        margin-top: 1.2rem;
    }
}