/* =========================================================
   DESIGN TOKENS
   Cambia qui i colori/font per un restyling rapido.
   ========================================================= */
:root{
  --bg: #0A0E17;
  --bg-deep: #05060A;
  --surface: #121826;
  --surface-2: #1A2233;
  --text: #EDEFF4;
  --muted: #9AA6C0;
  --muted-soft: rgba(154,166,192,0.6);
  --accent: #6B7CFF;
  --accent-2: #FF8A65;
  --border: rgba(255,255,255,0.12);
  --shadow: rgba(0,0,0,0.35);
  --nav-bg-solid: #0B0F19;
  --nav-bg-blur: rgba(10,14,23,0.82);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1140px;
  --radius: 14px;
  --transition: 0.25s ease;
}

[data-theme="light"]{
  --bg: #FAFAF9;
  --bg-deep: #F0EEE9;
  --surface: #FFFFFF;
  --surface-2: #F2F1EE;
  --text: #12131A;
  --muted: #565D70;
  --muted-soft: rgba(86,93,112,0.6);
  --border: rgba(18,19,26,0.12);
  --shadow: rgba(18,19,26,0.08);
  --accent: #4C5EE0;
  --accent-2: #E86A45;
  --nav-bg-solid: #FFFFFF;
  --nav-bg-blur: rgba(250,250,249,0.86);
}

*{ margin:0; padding:0; box-sizing:border-box; }

html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x:hidden;
  width:100%;
  -webkit-tap-highlight-color: transparent;
}

img{ max-width:100%; display:block; }

a{ color:inherit; text-decoration:none; }

ul{ list-style:none; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

section{ padding:96px 0; background:var(--bg); }

h1,h2,h3{ font-family:var(--font-display); font-weight:600; line-height:1.15; letter-spacing:-0.02em; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--accent);
  text-transform:lowercase;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
}
.eyebrow::before{ content:"//"; color:var(--muted); }

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  background: var(--nav-bg-solid);
  border-bottom:none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)){
  .navbar{
    background: var(--nav-bg-blur);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }
}
.navbar.scrolled{ border-bottom:1px solid var(--border); box-shadow: 0 8px 24px -16px var(--shadow); }

.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
}

.logo{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:16px;
  letter-spacing:-0.01em;
}
.logo span{ color:var(--accent); }

.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  font-size:14.5px;
  color:var(--muted);
  transition:color var(--transition);
}
.nav-links a:hover{ color:var(--text); }

.nav-actions{ display:flex; align-items:center; gap:14px; }

.theme-toggle{
  width:38px; height:38px;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer;
  color:var(--text);
  transition: transform var(--transition), border-color var(--transition);
}
.theme-toggle:hover{ border-color:var(--accent); }
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .sun{ display:none; }
[data-theme="light"] .theme-toggle .sun{ display:block; }
[data-theme="light"] .theme-toggle .moon{ display:none; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:100px;
  font-size:14.5px;
  font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space:nowrap;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ transform:translateY(-2px); }
.btn-ghost{ border-color:var(--border); color:var(--text); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }

.nav-toggle{
  display:none;
  width:38px; height:38px;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
  align-items:center; justify-content:center;
  cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:16px; height:2px; background:var(--text);
  position:relative; transition:var(--transition);
}
.nav-toggle span::before{ position:absolute; top:-5px; }
.nav-toggle span::after{ position:absolute; top:5px; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  padding-top:120px;
  position:relative;
  overflow:hidden;
  background:var(--bg);
}

.hero-grid{
  display:grid;
  grid-template-columns:1.1fr 0.9fr;
  gap:64px;
  align-items:center;
}

.status-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 16px;
  border-radius:100px;
  border:1px solid var(--border);
  background:var(--surface);
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:28px;
}
.status-dot{
  width:8px; height:8px; border-radius:50%;
  background:#5BD97A;
  box-shadow:0 0 0 0 rgba(91,217,122,0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(91,217,122,0.45); }
  70%{ box-shadow:0 0 0 8px rgba(91,217,122,0); }
  100%{ box-shadow:0 0 0 0 rgba(91,217,122,0); }
}

.hero-title{
  font-size:clamp(38px, 5.4vw, 64px);
  margin-bottom:22px;
}
.hero-title .highlight{ color:var(--accent); }

.hero-terminal-tag{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px;
  display:block;
}

.hero-subtitle{
  font-size:18px;
  color:var(--muted);
  max-width:480px;
  margin-bottom:36px;
}

.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.stats-row{
  display:flex;
  gap:32px;
  margin-top:48px;
  padding-top:32px;
  border-top:1px solid var(--border);
  max-width:480px;
  flex-wrap:nowrap;
}
.stat-item{ display:flex; flex-direction:column; gap:4px; min-width:0; }
.stat-value{
  font-family:var(--font-display);
  font-size:26px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}
.stat-label{
  font-size:12.5px;
  color:var(--muted);
  font-family:var(--font-mono);
  white-space:nowrap;
}

/* Visual card mockup accompagnying hero */
.hero-visual{ position:relative; display:flex; justify-content:center; }
.code-card{
  width:100%;
  max-width:420px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow: 0 30px 60px -20px var(--shadow);
  overflow:hidden;
  transform: rotate(2deg);
  transition: transform 0.4s ease;
}
.code-card:hover{ transform: rotate(0deg) translateY(-4px); }
.code-card-header{
  display:flex; align-items:center; gap:8px;
  padding:14px 16px;
  border-bottom:1px solid var(--border);
}
.code-dot{ width:10px; height:10px; border-radius:50%; }
.code-dot:nth-child(1){ background:#FF5F57; }
.code-dot:nth-child(2){ background:#FEBC2E; }
.code-dot:nth-child(3){ background:#28C840; }
.code-card-body{
  padding:22px 20px;
  font-family:var(--font-mono);
  font-size:13.5px;
  color:var(--muted);
}
.code-card-body .line{ margin-bottom:8px; white-space:pre; }
.code-card-body .kw{ color:var(--accent); }
.code-card-body .str{ color:var(--accent-2); }
.code-card-body .com{ color: var(--muted-soft); }

.blob{
  position:absolute;
  width:340px; height:340px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity:0.18;
  filter: blur(20px);
  z-index:-1;
  top:-60px; right:-60px;
  animation: float 8s ease-in-out infinite;
}
@keyframes float{
  0%,100%{ transform: translateY(0px); }
  50%{ transform: translateY(20px); }
}

.scroll-cue{
  position:absolute;
  bottom:32px;
  left:50%;
  transform:translateX(-50%);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--muted);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.scroll-cue::after{
  content:"";
  width:1px; height:28px;
  background: linear-gradient(var(--muted), transparent);
}

/* =========================================================
   SECTION HEADERS (riutilizzabili)
   ========================================================= */
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(28px, 3.6vw, 40px); margin-bottom:16px; }
.section-head p{ color:var(--muted); font-size:16.5px; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-head{
  display:flex;
  align-items:center;
  gap:22px;
  max-width:760px;
}
.about-avatar{
  width:132px;
  aspect-ratio: 4 / 5;
  border-radius:28px;
  overflow:hidden;
  flex-shrink:0;
  border:2px solid var(--border);
  background:var(--surface-2);
}
.about-avatar img{ width:100%; height:100%; object-fit:cover; display:block; }

.about-text{ max-width:720px; }
.about-text p{ color:var(--muted); margin-bottom:18px; font-size:16px; }
.about-text p:last-of-type{ margin-bottom:32px; }

.skill-list{ display:flex; flex-wrap:wrap; gap:10px; }
.skill-tag{
  font-family:var(--font-mono);
  font-size:13px;
  padding:8px 14px;
  border-radius:8px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
}

/* =========================================================
   SERVICES — griglia con angoli a "parentesi" (signature)
   ========================================================= */
.services-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}

.service-card{
  position:relative;
  padding:32px;
  border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}
.service-card:hover{ transform:translateY(-4px); border-color:var(--accent); }

.service-card::before, .service-card::after{
  content:"";
  position:absolute;
  width:16px; height:16px;
  border:2px solid var(--accent);
  opacity:0;
  transition: opacity var(--transition), width var(--transition), height var(--transition);
}
.service-card::before{ top:10px; left:10px; border-right:none; border-bottom:none; }
.service-card::after{ bottom:10px; right:10px; border-left:none; border-top:none; }
.service-card:hover::before, .service-card:hover::after{ opacity:1; width:22px; height:22px; }

.service-icon{
  width:44px; height:44px;
  border-radius:10px;
  background:var(--surface-2);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:20px;
  color:var(--accent);
}
.service-icon svg{ width:22px; height:22px; }

.service-card h3{ font-size:19px; margin-bottom:10px; }
.service-card p{ color:var(--muted); font-size:15px; }

/* =========================================================
   SOCIAL
   ========================================================= */
.social-scroll-wrap{ position:relative; }

.scroll-fade{
  position:absolute;
  top:0; bottom:8px;
  width:40px;
  pointer-events:none;
  opacity:0;
  transition:opacity 0.25s ease;
  z-index:2;
}
.scroll-fade-left{ left:0; background:linear-gradient(to right, var(--bg-deep), transparent); }
.scroll-fade-right{ right:0; background:linear-gradient(to left, var(--bg-deep), transparent); }
.scroll-fade.visible{ opacity:1; }

.social-grid{
  display:flex;
  gap:20px;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  padding-bottom:8px;
  margin-bottom:-8px;
  padding-left:calc(50% - 110px);
  padding-right:calc(50% - 110px);
  -webkit-overflow-scrolling:touch;
  touch-action:pan-x;
  overscroll-behavior-x:contain;
  scrollbar-width:thin;
  scrollbar-color:var(--border) transparent;
}
.social-grid::-webkit-scrollbar{ height:6px; }
.social-grid::-webkit-scrollbar-thumb{ background:var(--border); border-radius:10px; }
.social-grid::-webkit-scrollbar-track{ background:transparent; }
.social-card{
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--surface);
  display:flex;
  flex-direction:column;
  gap:16px;
  flex:0 0 220px;
  scroll-snap-align:center;
  scroll-snap-stop:always;
  transition: transform var(--transition), border-color var(--transition);
}
.social-card:hover{ transform:translateY(-4px); border-color:var(--accent); }
.social-icon{
  width:40px; height:40px;
  border-radius:50%;
  background:var(--surface-2);
  display:flex; align-items:center; justify-content:center;
}
.social-icon svg{ width:20px; height:20px; }
.social-card .name{ font-weight:600; font-size:15px; }
.social-card .handle{ font-family:var(--font-mono); font-size:13px; color:var(--muted); }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-wrap{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
  align-items:start;
}
.contact-info p{ color:var(--muted); margin-bottom:24px; max-width:380px; }
.contact-email{
  font-family:var(--font-mono);
  font-size:16px;
  color:var(--text);
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding-bottom:4px;
  border-bottom:1px solid var(--border);
}

.form-field{ margin-bottom:20px; }
.form-field label{
  display:block;
  font-size:13px;
  font-family:var(--font-mono);
  color:var(--muted);
  margin-bottom:8px;
}
.form-field input, .form-field textarea{
  width:100%;
  padding:13px 16px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-family:var(--font-body);
  font-size:14.5px;
  transition:border-color var(--transition);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.form-field input:focus, .form-field textarea:focus{
  outline:none;
  border-color:var(--accent);
}

.form-status{
  margin-top:14px;
  font-size:14px;
  color:var(--accent);
  display:none;
}
.form-status.show{ display:block; }

/* =========================================================
   FOOTER
   ========================================================= */
footer{
  border-top:1px solid var(--border);
  padding:32px 0;
  background:var(--bg-deep);
}
footer .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
}
footer p{ color:var(--muted); font-size:13.5px; font-family:var(--font-mono); }

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal{ opacity:0; transform:translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px){
  .services-grid{ grid-template-columns:repeat(2, 1fr); }
}

@media (max-width: 920px){
  .hero-grid{ grid-template-columns:1fr; }
  .about-head{ gap:18px; }
  .about-avatar{ width:96px; }
  .contact-wrap{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:1fr; }
  .scroll-cue{ display:none; }
}

@media (max-width: 720px){
  .nav-links, .nav-actions .btn-ghost{ display:none; }
  .nav-toggle{ display:flex; }
  section{ padding:72px 0; }

  .mobile-menu{
    position:fixed;
    top:72px; left:0; right:0;
    background:var(--nav-bg-solid);
    border-bottom:1px solid var(--border);
    padding:24px;
    display:flex;
    flex-direction:column;
    gap:20px;
    transform:translateY(-130%);
    transition: transform var(--transition);
    z-index:99;
  }
  .mobile-menu.open{ transform:translateY(0); }
  .mobile-menu a{ font-size:16px; color:var(--text); }
}

@media (min-width: 721px){
  .mobile-menu{ display:none; }
}

@media (max-width: 400px){
  .logo{ font-size:14px; }
}

@media (max-width: 560px){
  .hero-actions{ flex-direction:column; align-items:flex-start; }
  .hero-actions .btn{ width:100%; justify-content:center; }
  .stats-row{ gap:20px; margin-top:36px; padding-top:24px; }
  .stat-value{ font-size:20px; }
  .stat-label{ font-size:10.5px; }
}

@media (max-width: 340px){
  .stats-row{ gap:14px; }
}