@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&family=DM+Mono:wght@300;400;500&display=swap');

:root {
  --navy: #0c1118;
  --navy2: #131c28;
  --navy3: #1a2535;
  --coral: #e8502c;
  --coral2: #f06540;
  --bg: #0c1118;
  --bg2: #131c28;
  --bg3: #1a2535;
  --fg: #e2e8f0;
  --fg2: rgba(255,255,255,0.55);
  --fg3: rgba(255,255,255,0.35);
  --white: #ffffff;
  --card: #131c28;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.14);
  --shadow: 0 2px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --radius: 0px;

  /* hardcoded color slots overridden by light theme */
  --hero-stat-fg: #f1f5f9;
  --hero-stat-fg2: rgba(255,255,255,0.35);
  --hero-stat-border: rgba(255,255,255,0.06);
}

/* ── LIGHT THEME ── */
:root[data-theme="light"] {
  --navy: #f7f5f2;
  --navy2: #efece7;
  --navy3: #e6e2db;
  --bg: #f7f5f2;
  --bg2: #efece7;
  --bg3: #e6e2db;
  --fg: #1a1d24;
  --fg2: rgba(20,25,35,0.66);
  --fg3: rgba(20,25,35,0.42);
  --white: #ffffff;
  --card: #ffffff;
  --border: rgba(20,25,35,0.10);
  --border2: rgba(20,25,35,0.20);
  --shadow: 0 2px 16px rgba(20,25,35,0.06);
  --shadow-lg: 0 8px 40px rgba(20,25,35,0.10);

  --hero-stat-fg: #1a1d24;
  --hero-stat-fg2: rgba(20,25,35,0.45);
  --hero-stat-border: rgba(20,25,35,0.08);
}

/* footer stays dark in both themes — it's a deliberate anchor */

/* sezioni di accento sempre scure per contrasto */
:root[data-theme="light"] #hero .hero-right,
:root[data-theme="light"] #cta-band {
  background: #131c28;
  color: rgba(255,255,255,0.85);
}
:root[data-theme="light"] #hero .hero-right::before {
  background: radial-gradient(circle, oklch(0.62 0.20 25 / 0.18) 0%, transparent 70%);
}
:root[data-theme="light"] #cta-band .cta-band-text h2 { color: #ffffff; }
:root[data-theme="light"] #cta-band .cta-band-text p { color: rgba(255,255,255,0.55); }
:root[data-theme="light"] #cta-band .btn-ghost {
  color: rgba(255,255,255,0.7) !important;
  border-color: rgba(255,255,255,0.25) !important;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 68px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo svg {
  height: 28px;
  width: auto;
}

.nav-logo .st0 { fill: var(--fg); }
.nav-logo .st1 { fill: var(--coral); }

.nav-links {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg2);
  text-decoration: none;
  padding: 8px 14px;
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
}

.nav-links a:hover,
.nav-links a.active { color: var(--fg); background: var(--bg3); }

.nav-cta {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  background: var(--coral);
  border: none;
  padding: 10px 22px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  display: inline-block;
}
.nav-cta:hover { background: var(--coral2); transform: translateY(-1px); }

/* ── THEME TOGGLE ── */
.theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--fg);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  border-radius: var(--radius);
}
.theme-toggle:hover { background: var(--bg2); border-color: var(--fg2); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ── SECTIONS ── */
section { position: relative; }

.section-tag {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--coral);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--coral);
  flex-shrink: 0;
}

h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 3.5vw, 54px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
}

h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
}

/* ── BUTTONS ── */
.btn-primary {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--coral);
  border: 2px solid var(--coral);
  padding: 13px 28px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.15s;
  display: inline-block;
}
.btn-primary:hover { background: var(--coral2); border-color: var(--coral2); transform: translateY(-1px); }

.btn-outline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  background: transparent;
  border: 2px solid var(--border2);
  padding: 13px 28px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  display: inline-block;
}
.btn-outline:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); transform: translateY(-1px); }

.btn-ghost {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg2);
  background: transparent;
  border: 1px solid var(--border2);
  padding: 13px 28px;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s, border-color 0.2s;
  display: inline-block;
}
.btn-ghost:hover { color: var(--fg); border-color: var(--fg2); }

/* ── FOOTER ── */
footer {
  background: #060a10;
  color: rgba(255,255,255,0.5);
  padding: 64px 48px 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 32px;
}

.footer-logo svg { height: 24px; width: auto; margin-bottom: 16px; display: block; }
.footer-logo .st0 { fill: rgba(255,255,255,0.9); }
.footer-logo .st1 { fill: var(--coral); }

.footer-tagline {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
  max-width: 260px;
  margin-top: 12px;
}

.footer-col-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links-list a:hover { color: var(--coral); }

.footer-contact-item {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-contact-item a:hover { color: var(--coral); }

.footer-contact-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.25);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.25);
}

.footer-bottom a {
  color: rgba(255,255,255,0.25);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-bottom a:hover { color: rgba(255,255,255,0.5); }

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-up.visible { opacity: 1; transform: none; }

.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.stagger-children.visible > *:nth-child(1) { opacity:1; transform:none; transition-delay:0s; }
.stagger-children.visible > *:nth-child(2) { opacity:1; transform:none; transition-delay:0.08s; }
.stagger-children.visible > *:nth-child(3) { opacity:1; transform:none; transition-delay:0.16s; }
.stagger-children.visible > *:nth-child(4) { opacity:1; transform:none; transition-delay:0.24s; }
.stagger-children.visible > *:nth-child(5) { opacity:1; transform:none; transition-delay:0.32s; }
.stagger-children.visible > *:nth-child(6) { opacity:1; transform:none; transition-delay:0.40s; }

/* ── TWEAKS PANEL ── */
#tweaks-panel {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  width: 240px;
  background: var(--white);
  border: 1px solid var(--border2);
  box-shadow: var(--shadow-lg);
  display: none;
  flex-direction: column;
  font-family: 'DM Mono', monospace;
}
#tweaks-panel.active { display: flex; }
.tweaks-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--fg3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--bg2);
}
.tweaks-body { padding: 16px; display: flex; flex-direction: column; gap: 16px; }
.tweak-item label {
  display: block;
  font-size: 9px;
  color: var(--fg3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tweak-toggle { display: flex; gap: 1px; background: var(--border); }
.tweak-toggle button {
  flex: 1;
  background: var(--bg2);
  border: none;
  color: var(--fg2);
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  padding: 8px 4px;
  cursor: pointer;
  letter-spacing: 0.06em;
  transition: background 0.2s, color 0.2s;
}
.tweak-toggle button.active { background: var(--navy); color: var(--white); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  footer { padding: 48px 24px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; }
}