/* ============ Dennis Ciatti — portfolio ============ */
:root {
    --bg: #0a0e14;
    --bg-2: #0f1520;
    --panel: #111826;
    --panel-2: #151e2e;
    --line: #1f2a3d;
    --text: #d6deeb;
    --dim: #7d8aa5;
    --accent: #4d7cff;
    --accent-2: #2de2a6;
    --accent-3: #ffb454;
    --danger: #ff6b6b;
    --radius: 14px;
    --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
main { flex: 1; }
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-2); }
img { max-width: 100%; display: block; }
.mono { font-family: var(--mono); }
.dim { color: var(--dim); }
.container { width: min(1120px, 100% - 40px); margin-inline: auto; }

/* ---------- sfondo ---------- */
.bg-grid {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image:
        linear-gradient(rgba(77,124,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77,124,255,.045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 20%, transparent 75%);
}
.bg-glow {
    position: fixed; z-index: -1; pointer-events: none;
    width: 640px; height: 640px; top: -220px; right: -160px;
    background: radial-gradient(circle, rgba(77,124,255,.22), transparent 65%);
    filter: blur(20px);
}

/* ---------- header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(10,14,20,.78);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { font-family: var(--mono); font-weight: 700; font-size: 1.2rem; color: var(--text); user-select: none; }
.logo-bracket { color: var(--accent-2); }
.logo:hover { color: var(--text); }
.main-nav { display: flex; gap: 4px; font-family: var(--mono); font-size: .88rem; }
.main-nav a {
    color: var(--dim); padding: 8px 14px; border-radius: 8px; position: relative;
}
.main-nav a:hover { color: var(--text); background: var(--panel); }
.main-nav a.active { color: var(--accent-2); background: rgba(45,226,166,.08); }
.main-nav a.active::before { content: '> '; opacity: .7; }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; justify-content: center; gap: 6px; }
.nav-toggle span { display: block; height: 2px; width: 24px; background: var(--text); margin-inline: auto; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { padding: 90px 0 70px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; }
.eyebrow { font-family: var(--mono); color: var(--accent-2); font-size: .92rem; margin-bottom: 14px; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.2rem); line-height: 1.05; letter-spacing: -.03em; font-weight: 700; }
.hero h1 .grad {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.typing { font-family: var(--mono); font-size: clamp(1.05rem, 2.4vw, 1.4rem); margin: 18px 0 22px; color: var(--text); min-height: 2em; }
.typing .prompt { color: var(--accent-2); }
.cursor { display: inline-block; width: .6ch; height: 1.1em; background: var(--accent-2); vertical-align: -0.2em; margin-left: 2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.lead { color: var(--dim); font-size: 1.08rem; max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono); font-size: .9rem; font-weight: 500;
    padding: 12px 22px; border-radius: 10px; border: 1px solid var(--line);
    background: var(--panel); color: var(--text); cursor: pointer; transition: .2s;
}
.btn:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 8px 30px -8px rgba(77,124,255,.7); }
.btn-primary:hover { background: #5f8bff; color: #fff; }

/* foto */
.avatar-wrap { position: relative; justify-self: center; width: min(300px, 70vw); aspect-ratio: 1; }
.avatar {
    width: 100%; height: 100%; aspect-ratio: 1; border-radius: 50%; object-fit: cover;
    border: 3px solid var(--bg); position: relative; z-index: 2;
}
.avatar-wrap::before {
    content: ''; position: absolute; inset: -6px; border-radius: 50%; z-index: 1;
    background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent), var(--accent-2), var(--accent));
    animation: spin 8s linear infinite;
}
.avatar-wrap::after {
    content: ''; position: absolute; inset: -30px; border-radius: 50%; z-index: 0;
    background: radial-gradient(circle, rgba(45,226,166,.18), transparent 70%);
}
.avatar-wrap .avatar { z-index: 3; }
@keyframes spin { to { transform: rotate(360deg); } }
.status-pill {
    position: absolute; z-index: 4; bottom: 8px; left: 50%; transform: translateX(-50%);
    background: var(--panel); border: 1px solid var(--line); border-radius: 999px;
    padding: 6px 14px; font-family: var(--mono); font-size: .76rem; white-space: nowrap;
    display: flex; align-items: center; gap: 8px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(45,226,166,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(45,226,166,0); } 100% { box-shadow: 0 0 0 0 rgba(45,226,166,0); } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 64px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.stat b { display: block; font-family: var(--mono); font-size: 2rem; color: var(--accent-2); line-height: 1.1; }
.stat span { color: var(--dim); font-size: .88rem; }

/* ---------- sezioni ---------- */
.section { padding: 70px 0; }
.page-hero { padding: 70px 0 30px; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.02em; }
.page-hero h1 .hash { color: var(--accent-2); font-family: var(--mono); margin-right: 8px; }
.page-hero p { color: var(--dim); margin-top: 10px; max-width: 62ch; }
.section-title { font-size: 1.6rem; margin-bottom: 28px; display: flex; align-items: center; gap: 12px; letter-spacing: -.01em; }
.section-title::before { content: '//'; font-family: var(--mono); color: var(--accent-2); }
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.card {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px; transition: .25s;
}
.card:hover { border-color: rgba(77,124,255,.5); transform: translateY(-4px); box-shadow: 0 18px 40px -18px rgba(77,124,255,.35); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--dim); font-size: .97rem; }
.card .icon { font-size: 1.6rem; margin-bottom: 14px; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
    font-family: var(--mono); font-size: .74rem; padding: 4px 10px; border-radius: 6px;
    background: rgba(77,124,255,.1); color: #9db8ff; border: 1px solid rgba(77,124,255,.22);
}
.tag.green { background: rgba(45,226,166,.08); color: var(--accent-2); border-color: rgba(45,226,166,.22); }

/* terminale */
.terminal { background: #0b111b; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 60px -30px #000; }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.term-bar i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.term-bar i:nth-child(1) { background: #ff5f57; } .term-bar i:nth-child(2) { background: #febc2e; } .term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: 10px; color: var(--dim); font-family: var(--mono); font-size: .78rem; }
.term-body { padding: 22px; font-family: var(--mono); font-size: .88rem; line-height: 1.85; overflow-x: auto; }
.term-body .c { color: var(--dim); } .term-body .k { color: #c792ea; } .term-body .s { color: var(--accent-2); }
.term-body .n { color: var(--accent-3); } .term-body .p { color: var(--accent-2); }

/* chi sono */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.about-text p { color: #b9c4d9; margin-bottom: 18px; font-size: 1.05rem; }
.about-text strong { color: var(--text); }
.facts { list-style: none; margin-top: 8px; }
.facts li { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: .95rem; }
.facts li span:first-child { color: var(--dim); font-family: var(--mono); font-size: .85rem; }

/* skills */
.skill-block { margin-bottom: 40px; }
.skill-block h3 { font-family: var(--mono); font-size: 1rem; color: var(--accent-2); margin-bottom: 16px; }
.skills { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px 24px; }
.skill .row { display: flex; justify-content: space-between; font-size: .92rem; margin-bottom: 6px; }
.skill .row span:last-child { font-family: var(--mono); color: var(--dim); font-size: .8rem; }
.bar { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 1.2s cubic-bezier(.2,.8,.2,1); }
.in .bar i, .bar i.go { width: var(--w); }

/* progetti */
.project { display: flex; flex-direction: column; }
.project .head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.project .client { font-family: var(--mono); font-size: .76rem; color: var(--accent-3); }
.project .num { font-family: var(--mono); color: var(--dim); font-size: .8rem; }
.project h3 { font-size: 1.3rem; }
.project ul { margin: 14px 0 0 18px; color: var(--dim); font-size: .94rem; }
.project ul li { margin-bottom: 4px; }
.project .tags { margin-top: auto; padding-top: 18px; }

/* timeline */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--accent), var(--line)); }
.t-item { position: relative; margin-bottom: 26px; }
.t-item::before { content: ''; position: absolute; left: -34px; top: 26px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.t-item.current::before { border-color: var(--accent-2); }
.t-date { font-family: var(--mono); font-size: .8rem; color: var(--accent-2); margin-bottom: 6px; }
.t-item h3 { font-size: 1.2rem; }
.t-item .org { color: var(--dim); font-size: .95rem; margin-bottom: 10px; }
.t-item ul { margin-left: 18px; color: #b9c4d9; font-size: .95rem; }
.t-item li { margin-bottom: 3px; }
.cert { display: flex; align-items: center; gap: 12px; }
.cert .badge { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(77,124,255,.12); font-size: 1.2rem; flex-shrink: 0; }

/* contatti / form */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; }
.contact-list { list-style: none; }
.contact-list li { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.contact-list .ic { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 10px; background: var(--panel-2); font-size: 1.1rem; }
.contact-list small { display: block; color: var(--dim); font-family: var(--mono); font-size: .75rem; }
form .field { margin-bottom: 18px; }
form label { display: block; font-family: var(--mono); font-size: .8rem; color: var(--dim); margin-bottom: 6px; }
form input, form textarea {
    width: 100%; background: #0b111b; border: 1px solid var(--line); color: var(--text);
    padding: 13px 14px; border-radius: 10px; font: inherit; transition: .2s;
}
form input:focus, form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(77,124,255,.18); }
form textarea { min-height: 150px; resize: vertical; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.alert { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-size: .94rem; }
.alert.ok { background: rgba(45,226,166,.1); border: 1px solid rgba(45,226,166,.35); color: var(--accent-2); }
.alert.err { background: rgba(255,107,107,.1); border: 1px solid rgba(255,107,107,.35); color: var(--danger); }

/* cta */
.cta { text-align: center; padding: 56px 24px; background: linear-gradient(135deg, rgba(77,124,255,.12), rgba(45,226,166,.08)); border: 1px solid var(--line); border-radius: 20px; }
.cta h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 10px; }
.cta p { color: var(--dim); margin-bottom: 26px; }

/* prose (privacy) */
.prose { max-width: 72ch; }
.prose h2 { margin: 30px 0 10px; font-size: 1.25rem; }
.prose p, .prose li { color: #b9c4d9; margin-bottom: 10px; }
.prose ul { margin-left: 20px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 26px 0; margin-top: 50px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; font-size: .82rem; }
.footer-left { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--dim); }
.footer-links a:hover { color: var(--accent-2); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* toast easter egg */
.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(30px); opacity: 0; z-index: 99;
    background: var(--panel); border: 1px solid var(--accent-2); color: var(--accent-2);
    padding: 12px 20px; border-radius: 10px; font-family: var(--mono); font-size: .85rem; transition: .35s;
}
.toast.show { opacity: 1; transform: translateX(-50%); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 50px; }
    .avatar-wrap { order: -1; }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; padding: 12px 20px 20px;
        background: rgba(10,14,20,.97); border-bottom: 1px solid var(--line);
        display: none;
    }
    .main-nav.open { display: flex; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
    .bar i { width: var(--w); }
}