/* ========================================
   Gaspare Pettinati — Premium Dark UI
   ======================================== */

:root {
  --bg: #07090d;
  --bg-2: #0a0d12;
  --bg-3: #0f141b;
  --panel: rgba(18, 23, 31, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e7ecf3;
  --text-dim: #9aa6b6;
  --text-mute: #6a7585;
  --accent: #4ef0c8;        /* terminal green/cyan */
  --accent-2: #4cc9ff;      /* electric blue */
  --accent-glow: rgba(78, 240, 200, 0.35);
  --danger: #ff6b6b;
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1200px;
  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --t: 250ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 860px; }

/* Background grid + glow */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 35%, transparent 80%);
  pointer-events: none;
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(700px 400px at 80% -10%, rgba(76,201,255,0.10), transparent 60%),
    radial-gradient(800px 500px at 0% 20%, rgba(78,240,200,0.08), transparent 60%);
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 9, 13, 0.65);
  border-bottom: 1px solid var(--border);
  transition: background var(--t), border-color var(--t);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; transition: transform var(--t); }
.brand:hover { color: inherit; }
.brand:hover .brand-mark-img { transform: rotate(-6deg) scale(1.08); filter: drop-shadow(0 0 12px rgba(76,201,255,0.6)); }
.brand-mark-img {
  width: 40px; height: 40px; display: block;
  transition: transform 500ms cubic-bezier(.34,1.56,.64,1), filter var(--t);
  filter: drop-shadow(0 0 8px rgba(76,201,255,0.25));
  animation: brand-float 5s ease-in-out infinite;
}
@keyframes brand-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}
.footer-brand .brand-mark-img { width: 44px; height: 44px; }
/* Legacy fallback (kept for compatibility) */
.brand-mark {
  width: 36px; height: 36px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #001018; border-radius: 8px;
  font-family: var(--font-mono); font-weight: 700;
  box-shadow: 0 0 22px var(--accent-glow);
}
.brand-text { font-size: 15px; letter-spacing: 0.2px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--text-dim); font-size: 14px; font-weight: 500;
  position: relative; padding: 6px 0;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent); transform: scaleX(0);
  transform-origin: left; transition: transform var(--t);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-mute);
}
.lang-switch button {
  background: none; border: 0; color: var(--text-mute);
  padding: 4px 6px; font-family: inherit; font-size: 12px;
  transition: color var(--t);
}
.lang-switch button.active { color: var(--accent); }
.lang-switch button:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 10px; font-weight: 600;
  font-size: 14px; letter-spacing: 0.2px;
  border: 1px solid transparent; transition: all var(--t);
  white-space: nowrap; cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #001018;
  box-shadow: 0 6px 30px -8px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 40px -8px var(--accent-glow);
  color: #001018;
}
.btn-ghost {
  background: transparent; color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-private {
  background: rgba(78,240,200,0.06);
  color: var(--text); border: 1px solid var(--border-strong);
  font-size: 13px; padding: 9px 16px; border-radius: 8px;
}
.btn-private::before {
  content: '🔒'; margin-right: 8px; font-size: 12px;
  filter: grayscale(1) brightness(1.4);
}
.btn-private:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-lg { padding: 16px 28px; font-size: 15px; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text);
  margin: 5px 0; transition: transform var(--t), opacity var(--t);
}

/* ===== HERO ===== */
.hero { padding: 80px 0 100px; position: relative; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); text-transform: uppercase; letter-spacing: 1.5px;
  padding: 6px 12px; border: 1px solid rgba(78,240,200,0.25);
  border-radius: 100px; background: rgba(78,240,200,0.05);
  margin-bottom: 24px;
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-size: clamp(40px, 6vw, 72px); line-height: 1.05;
  font-weight: 800; letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.hero-title span { display: block; }
.hero-title .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent));
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 6s ease-in-out infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-sub {
  font-size: 17px; color: var(--text-dim);
  max-width: 540px; margin: 0 0 36px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* TERMINAL */
.terminal {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(15,20,27,0.9), rgba(10,13,18,0.95));
  overflow: hidden;
  box-shadow:
    0 30px 80px -20px rgba(0,0,0,0.6),
    0 0 0 1px rgba(78,240,200,0.06) inset,
    0 0 60px -20px var(--accent-glow);
  position: relative;
}
.terminal::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(78,240,200,0.08), transparent 60%);
  pointer-events: none;
}
.terminal-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-mute);
}
.dots { display: flex; gap: 7px; }
.dots i {
  width: 11px; height: 11px; border-radius: 50%; display: block;
  background: #3a3f48;
}
.dots i:nth-child(1) { background: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; }
.dots i:nth-child(3) { background: #28c840; }
.terminal-badge {
  font-size: 11px; color: var(--accent);
  border: 1px solid rgba(78,240,200,0.3);
  padding: 3px 9px; border-radius: 100px;
  background: rgba(78,240,200,0.06);
}
.terminal-body {
  padding: 24px; font-family: var(--font-mono);
  font-size: 13.5px; line-height: 1.8;
  min-height: 320px;
}
.t-line { white-space: pre-wrap; }
.t-line.out { color: var(--text-dim); padding-left: 0; }
.prompt { color: var(--accent); }
.path { color: var(--accent-2); }
.sep { color: var(--text-mute); }
.cmd { color: var(--text); }
.cursor {
  display: inline-block; color: var(--accent);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ===== SECTIONS ===== */
.section { padding: 90px 0; position: relative; }
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700; letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.section-title.center { text-align: center; }
.section-sub {
  color: var(--text-dim); font-size: 17px;
  max-width: 680px; margin: 0 0 48px;
}
.kicker {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); letter-spacing: 1.5px;
  text-transform: uppercase; margin-bottom: 14px;
}
.kicker.mt-xl { margin-top: 100px; }
.lead { font-size: 17px; color: var(--text-dim); margin: 0 0 20px; }

/* TRUST METRICS */
.trust { padding-top: 40px; }
.metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 40px;
}
.metric-card {
  padding: 32px 24px; text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 20px 50px -25px rgba(78,240,200,0.3);
}
.metric-value {
  font-family: var(--font-mono); font-size: 26px; font-weight: 600;
  color: var(--accent); margin-bottom: 8px;
}
.metric-label { color: var(--text-dim); font-size: 13px; letter-spacing: 0.5px; }

/* TIMELINE */
.timeline {
  position: relative; margin-top: 40px; padding-left: 0;
}
.timeline::before {
  content: ''; position: absolute; left: 110px; top: 8px; bottom: 8px;
  width: 1px; background: linear-gradient(180deg, transparent, var(--border-strong), transparent);
}
.timeline li {
  display: grid; grid-template-columns: 130px 1fr; gap: 28px;
  padding: 18px 0; position: relative;
}
.timeline li::before {
  content: ''; position: absolute; left: 105px; top: 30px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.t-year {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--accent); padding-top: 24px;
}
.t-card {
  padding: 20px 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--t);
}
.t-card:hover { border-color: var(--border-strong); transform: translateX(4px); }
.t-card h3 { margin: 0 0 6px; font-size: 18px; }
.t-role { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); margin-bottom: 8px; }
.t-card p { margin: 0; color: var(--text-dim); }

/* TABS */
.tabs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px;
  padding: 6px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px;
}
.tab {
  flex: 1; min-width: 130px;
  background: transparent; border: 0;
  padding: 12px 16px; border-radius: 8px;
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  transition: all var(--t);
}
.tab:hover { color: var(--text); }
.tab.active {
  background: rgba(78,240,200,0.08); color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(78,240,200,0.2);
}
.tab-panels { margin-top: 28px; min-height: 100px; }
.tab-panel { display: none; gap: 10px; flex-wrap: wrap; }
.tab-panel.active { display: flex; animation: fadeIn 400ms var(--t); }
.chip {
  display: inline-flex; align-items: center;
  padding: 8px 14px; border-radius: 100px;
  background: var(--panel); border: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12.5px;
  color: var(--text-dim); transition: all var(--t);
}
.chip:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(78,240,200,0.05);
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* GRIDS */
.grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin-top: 40px;
}
.grid-4 {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  margin-top: 40px;
}
.card, .case, .step {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--t);
  position: relative; overflow: hidden;
}
.card::before, .case::before, .step::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(78,240,200,0.06), transparent 40%);
  opacity: 0; transition: opacity var(--t); pointer-events: none;
}
.card:hover, .case:hover, .step:hover {
  border-color: var(--border-strong); transform: translateY(-4px);
}
.card:hover::before, .case:hover::before, .step:hover::before { opacity: 1; }
.card h3, .case h3, .step h3 {
  margin: 14px 0 8px; font-size: 18px;
}
.card p, .case p, .step p {
  margin: 0; color: var(--text-dim); font-size: 14.5px;
}
.card-icon {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(78,240,200,0.08);
  color: var(--accent); font-size: 20px;
  border: 1px solid rgba(78,240,200,0.2);
}
.card-feature {
  background: linear-gradient(135deg, rgba(78,240,200,0.06), rgba(76,201,255,0.04));
  border-color: rgba(78,240,200,0.18);
}
.case-tag {
  display: inline-block; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--accent); padding: 4px 10px;
  border: 1px solid rgba(78,240,200,0.3);
  border-radius: 100px; margin-bottom: 14px;
}
.step-n {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--accent); margin-bottom: 10px;
}

/* QUOTE */
.quote {
  margin: 32px 0; padding: 28px 32px;
  border-left: 3px solid var(--accent);
  background: rgba(78,240,200,0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 19px; font-style: italic;
  color: var(--text);
}

/* CTA FINAL + FORM */
.cta-final { padding-bottom: 110px; }
.cta-box { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.cta-box h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 14px;
}
.cta-box p { color: var(--text-dim); font-size: 17px; }
.cta-foot {
  text-align: center; color: var(--text-mute);
  font-size: 13px; margin-top: 28px;
}
.contact-form {
  max-width: 760px; margin: 0 auto;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; flex-direction: column; gap: 18px;
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.5);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 13px; color: var(--text-dim);
  font-weight: 500; letter-spacing: 0.2px;
}
.field input, .field select, .field textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text); font-family: inherit; font-size: 14.5px;
  transition: border-color var(--t), box-shadow var(--t);
  resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(78,240,200,0.12);
}
.field .err {
  color: var(--danger); font-size: 12px; min-height: 14px;
}
.field.invalid input, .field.invalid select, .field.invalid textarea {
  border-color: var(--danger);
}
.check {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; color: var(--text-dim);
}
.check input { margin-top: 3px; accent-color: var(--accent); }
.form-status {
  font-size: 14px; min-height: 20px;
}
.form-status.ok { color: var(--accent); }
.form-status.ko { color: var(--danger); }

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  background: rgba(7,9,13,0.6);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer h4 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text); margin: 0 0 16px;
}
.footer ul li { margin-bottom: 8px; }
.footer ul a { color: var(--text-dim); font-size: 14px; }
.footer-about { color: var(--text-dim); font-size: 14px; margin: 16px 0 0; max-width: 360px; }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border);
  color: var(--text-mute); font-size: 13px; text-align: center;
}

/* PRIVATE PAGE */
.private-wrap {
  min-height: 100vh; display: grid; place-items: center;
  padding: 80px 24px;
}
.private-card {
  width: 100%; max-width: 440px;
  padding: 40px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow:
    0 40px 100px -30px rgba(0,0,0,0.7),
    0 0 80px -30px var(--accent-glow);
  text-align: center;
}
.private-card .lock {
  width: 56px; height: 56px; margin: 0 auto 18px;
  display: grid; place-items: center;
  background: rgba(78,240,200,0.08);
  border: 1px solid rgba(78,240,200,0.25);
  border-radius: 14px;
  color: var(--accent); font-size: 22px;
}
.private-card h1 { font-size: 24px; margin: 0 0 8px; }
.private-card .muted { color: var(--text-dim); font-size: 14px; margin: 0 0 28px; }
.private-card form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.private-card .field-row { display: flex; justify-content: space-between; font-size: 13px; }
.private-card .field-row a { color: var(--accent); }
.private-card .notice {
  font-size: 12px; color: var(--text-mute); margin-top: 22px;
  padding: 12px; border: 1px dashed var(--border);
  border-radius: 8px; line-height: 1.5;
}
.back-home {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px; font-size: 13px; color: var(--text-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 8px; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; padding-left: 28px; }
  .timeline li::before { left: 3px; top: 22px; }
  .t-year { padding-top: 0; }
}
@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(7,9,13,0.97);
    backdrop-filter: blur(14px);
    padding: 20px 24px; gap: 18px;
    border-bottom: 1px solid var(--border);
  }
  .btn-private { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero { padding: 50px 0 70px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact-form { padding: 24px; }
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 700ms var(--t), transform 700ms var(--t); }
.reveal.in { opacity: 1; transform: none; }

/* Selection */
::selection { background: var(--accent); color: #001018; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1a2029; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #242c38; }