/* ==========================================================================
   Strinsa — Marketing site design system
   Extends the in-app visual language (dark-first, purple accent, premium cards)
   ========================================================================== */

:root {
  /* Brand */
  --bt-purple: #8B5CFF;
  --bt-purple-soft: #A88BFF;
  --bt-purple-deep: #6E3FE8;
  --bt-green: #34D399;
  --bt-orange: #FF9F40;
  --bt-blue: #5AC8FA;

  /* Dark surfaces (first-class) */
  --bt-bg: #0B0B10;
  --bt-bg-deep: #08080C;
  --bt-bg-elev-1: #14141B;
  --bt-bg-elev-2: #1B1B24;
  --bt-bg-elev-3: #22222D;
  --bt-stroke: rgba(255,255,255,0.07);
  --bt-stroke-strong: rgba(255,255,255,0.12);

  /* Text — tuned for WCAG AA on --bt-bg */
  --bt-text: #F4F4F7;     /* 18.6:1 */
  --bt-text-2: #C2C2CC;   /* ~9.7:1 */
  --bt-text-3: #8E8E99;   /* ~5.0:1 — body-secondary safe */
  --bt-text-faint: #6E6E78; /* decorative / large only */

  /* Ink tints */
  --bt-ink-1: rgba(255,255,255,0.04);
  --bt-ink-2: rgba(255,255,255,0.08);
  --bt-ink-3: rgba(255,255,255,0.14);

  /* Radii */
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-pill: 999px;

  /* Spacing rhythm */
  --gap: clamp(20px, 4vw, 32px);
  --section-y: clamp(72px, 11vw, 140px);
  --container: 1200px;
  --container-narrow: 760px;

  /* Type scale (fluid) */
  --fs-display: clamp(44px, 7.2vw, 92px);
  --fs-h1: clamp(36px, 5.2vw, 64px);
  --fs-h2: clamp(28px, 3.6vw, 44px);
  --fs-h3: clamp(21px, 2.2vw, 28px);
  --fs-lead: clamp(18px, 1.8vw, 22px);
  --fs-body: 17px;
  --fs-sm: 15px;
  --fs-xs: 13px;
  --fs-eyebrow: 12px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "SF Pro Display", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", "Menlo", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bt-bg);
  color: var(--bt-text);
  font-size: var(--fs-body);
  line-height: 1.55;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.04; letter-spacing: -0.03em; font-weight: 700; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

/* ── Accessibility helpers ───────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  background: var(--bt-purple); color: #fff; padding: 10px 18px;
  border-radius: var(--r-pill); font-weight: 600; font-size: 14px;
  transform: translateY(-150%); transition: transform 180ms var(--ease);
}
.skip-link:focus { transform: translateY(0); outline: 2px solid #fff; outline-offset: 2px; }

:focus-visible {
  outline: 2px solid var(--bt-purple-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── Layout primitives ───────────────────────────────────────────── */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(20px, 5vw, 40px); }
.container-narrow { max-width: var(--container-narrow); }
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(48px, 7vw, 88px); }
.stack { display: flex; flex-direction: column; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-eyebrow); font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--bt-purple-soft);
}
.eyebrow::before {
  content: ""; width: 18px; height: 1px; background: currentColor; opacity: 0.6;
}
.eyebrow--center::before { display: none; }

.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--bt-text-2); letter-spacing: -0.015em; }

.section-head { max-width: 640px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: var(--fs-h2); margin-top: 16px; }
.section-head p { margin-top: 18px; }

/* ── Ambient glow ────────────────────────────────────────────────── */
.ambient {
  position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.ambient::before {
  content: ""; position: absolute; inset: -10% -10% auto -10%; height: 70%;
  background:
    radial-gradient(50% 60% at 78% 0%, rgba(139,92,255,0.20), transparent 62%),
    radial-gradient(44% 50% at 12% 6%, rgba(90,200,250,0.07), transparent 60%);
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: inherit; font-weight: 600; font-size: var(--fs-sm); letter-spacing: -0.01em;
  padding: 13px 22px; border-radius: var(--r-pill); border: 1px solid transparent;
  cursor: pointer; transition: transform 160ms var(--ease), box-shadow 200ms var(--ease), background 160ms var(--ease), border-color 160ms;
  white-space: nowrap; line-height: 1;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  background: linear-gradient(180deg, #9A6CFF 0%, #7A48F2 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(139,92,255,0.32), inset 0 1px 0 rgba(255,255,255,0.20);
}
.btn-primary:hover { box-shadow: 0 12px 34px rgba(139,92,255,0.45), inset 0 1px 0 rgba(255,255,255,0.22); }
.btn-secondary {
  background: var(--bt-bg-elev-2); color: var(--bt-text); border-color: var(--bt-stroke-strong);
}
.btn-secondary:hover { background: var(--bt-bg-elev-3); border-color: rgba(255,255,255,0.18); }
.btn-ghost { background: transparent; color: var(--bt-text-2); }
.btn-ghost:hover { color: var(--bt-text); background: var(--bt-ink-1); }
.btn-lg { padding: 16px 28px; font-size: var(--fs-body); }
.btn-block { width: 100%; }

/* App Store button */
.appstore-btn {
  display: inline-flex; align-items: center; gap: 12px;
  background: #fff; color: #08080C; padding: 11px 20px 11px 18px;
  border-radius: 14px; transition: transform 160ms var(--ease), box-shadow 200ms var(--ease);
  box-shadow: 0 8px 28px rgba(0,0,0,0.4);
}
.appstore-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(0,0,0,0.5); }
.appstore-btn .apple { width: 26px; height: 26px; flex-shrink: 0; }
.appstore-btn .label { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.appstore-btn .label .sm { font-size: 11px; font-weight: 500; opacity: 0.7; }
.appstore-btn .label .lg { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }

/* Download page: store buttons; the detected platform is listed first by download.html */
.dl-icon { border-radius: 20px; box-shadow: 0 10px 34px rgba(110,63,232,0.4); }
.dl-options { display: flex; flex-direction: column; align-items: center; gap: 28px; margin-top: 36px; }
.dl-option { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.dl-note { margin: 0; color: var(--bt-text-3); font-size: var(--fs-sm); }
.dl-desktop { margin-top: 36px; color: var(--bt-text-3); font-size: var(--fs-sm); }
.dl[data-detected] .dl-option:not(:first-child) { opacity: 0.8; transform: scale(0.92); }
.appstore-btn--soon { opacity: 0.55; cursor: default; box-shadow: none; }
.appstore-btn--soon:hover { transform: none; box-shadow: none; }
@media (min-width: 640px) {
  .dl:not([data-detected]) .dl-options { flex-direction: row; justify-content: center; gap: 40px; }
}

/* ── Pills / badges ──────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 7px; height: 30px; padding: 0 13px;
  border-radius: var(--r-pill); font-size: var(--fs-xs); font-weight: 600; letter-spacing: -0.005em;
}
.pill-purple { background: rgba(139,92,255,0.14); color: #CBB8FF; }
.pill-green  { background: rgba(52,211,153,0.13); color: #6EE7B7; }
.pill-orange { background: rgba(255,159,64,0.13); color: #FFC68A; }
.pill-blue   { background: rgba(90,200,250,0.13); color: #9DDDFF; }
.pill-neutral{ background: var(--bt-ink-2); color: var(--bt-text-2); }
.pill .dot { width: 7px; height: 7px; border-radius: 999px; background: currentColor; }

/* ── Cards ───────────────────────────────────────────────────────── */
.card {
  background: var(--bt-bg-elev-1);
  border: 1px solid var(--bt-stroke);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 30px);
  position: relative; overflow: hidden;
}
.card-elev {
  background: linear-gradient(180deg, var(--bt-bg-elev-2) 0%, var(--bt-bg-elev-1) 100%);
  border-color: var(--bt-stroke-strong);
}
.card-glow::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(70% 60% at 100% 0%, rgba(139,92,255,0.18), transparent 62%);
}
.card-icon {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(139,92,255,0.13); color: var(--bt-purple-soft); margin-bottom: 18px;
}
.card-icon svg { width: 23px; height: 23px; }
.card h3 { font-size: var(--fs-h3); letter-spacing: -0.02em; }
.card p { margin-top: 10px; color: var(--bt-text-3); font-size: var(--fs-sm); line-height: 1.55; }

/* feature accent variants for the icon chip */
.card-icon.green  { background: rgba(52,211,153,0.13); color: #6EE7B7; }
.card-icon.orange { background: rgba(255,159,64,0.13); color: #FFC68A; }
.card-icon.blue   { background: rgba(90,200,250,0.13); color: #9DDDFF; }

/* ── Header / nav ────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,11,16,0.72);
  backdrop-filter: saturate(160%) blur(18px);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--bt-stroke); }
.nav {
  display: flex; align-items: center; gap: 18px;
  height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 18px; letter-spacing: -0.025em; }
.brand .mark{width:32px;height:32px;border-radius:9px;flex-shrink:0;background:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2096%2096%22%3E%3Cpath%20d%3D%22M56.44%2019.59h14.34L45.75%2076.31H31.41z%22%20fill%3D%22%23fff%22%2F%3E%3Ccircle%20cx%3D%2229.44%22%20cy%3D%2230.09%22%20r%3D%228.44%22%20fill%3D%22%23fff%22%2F%3E%3C%2Fsvg%3E") center/cover no-repeat,linear-gradient(135deg,#9B7BFF,#5B2FD6);font-size:0;color:transparent;box-shadow:0 4px 14px rgba(110,63,232,.4)}
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 18px; }
.nav-link {
  padding: 9px 14px; border-radius: var(--r-pill); font-size: var(--fs-sm); font-weight: 500;
  color: var(--bt-text-2); transition: color 160ms, background 160ms;
}
.nav-link:hover { color: var(--bt-text); background: var(--bt-ink-1); }
.nav-link[aria-current="page"] { color: var(--bt-text); background: var(--bt-ink-2); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* language switcher */
.lang-switch {
  display: inline-flex; align-items: center; background: var(--bt-ink-1);
  border: 1px solid var(--bt-stroke); border-radius: var(--r-pill); padding: 3px;
}
.lang-switch button {
  font-family: inherit; border: none; background: transparent; cursor: pointer;
  color: var(--bt-text-3); font-size: 13px; font-weight: 600; padding: 6px 12px;
  border-radius: var(--r-pill); transition: color 140ms, background 140ms;
}
.lang-switch button[aria-pressed="true"] { background: var(--bt-bg-elev-3); color: var(--bt-text); }

/* mobile nav */
.nav-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  background: var(--bt-ink-1); border: 1px solid var(--bt-stroke);
  color: var(--bt-text); cursor: pointer; align-items: center; justify-content: center;
}
.mobile-menu {
  display: none; position: fixed; inset: 68px 0 0; z-index: 99;
  background: var(--bt-bg-deep); padding: 24px clamp(20px,5vw,40px);
  flex-direction: column; gap: 6px;
  transform: translateX(100%); transition: transform 260ms var(--ease);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { padding: 16px 8px; font-size: 20px; font-weight: 600; border-bottom: 1px solid var(--bt-stroke); }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu { display: flex; }
  .nav-right .btn-cta-text { display: none; }
}

/* ── Hero ────────────────────────────────────────────────────────── */
.hero { position: relative; padding-top: clamp(56px, 9vw, 110px); padding-bottom: clamp(40px, 6vw, 80px); }
.hero h1 { font-size: var(--fs-display); }
.hero .lead { margin-top: 24px; max-width: 540px; }
.hero-cta { display: flex; align-items: center; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-meta { margin-top: 22px; display: flex; gap: 22px; flex-wrap: wrap; color: var(--bt-text-3); font-size: var(--fs-sm); }
.hero-meta li { display: flex; align-items: center; gap: 8px; }
.hero-meta svg { width: 17px; height: 17px; color: var(--bt-green); }

/* hero layout A — split */
.hero-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
/* hero layout B — centered */
.hero-center { text-align: center; max-width: 860px; margin-inline: auto; }
.hero-center .lead { margin-inline: auto; }
.hero-center .hero-cta, .hero-center .hero-meta { justify-content: center; }

@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; gap: 40px; }
}

/* ── Device frames + screenshot placeholders ─────────────────────── */
.shot {
  position: relative; background: var(--bt-bg-elev-1);
  border: 1px dashed rgba(255,255,255,0.16); border-radius: 14px;
  overflow: hidden; display: grid; place-items: center;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.022) 0 12px, transparent 12px 24px);
}
.shot .shot-label {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--bt-text-faint); text-align: center; padding: 16px; line-height: 1.5;
}
.shot .shot-label b { color: var(--bt-text-3); font-weight: 600; display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 4px; }

/* iPhone bezel */
.device-iphone {
  width: 100%; max-width: 320px; aspect-ratio: 320 / 669; /* screen 298px wide at the 1320x2868 screenshot ratio */ margin-inline: auto;
  background: #000; border-radius: 46px; padding: 11px; position: relative;
  box-shadow: inset 0 0 0 2px #1c1c22, 0 40px 80px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.04);
}
/* inset instead of height:100% — Safari resolves the % against the padding box and overflows the bezel */
.device-iphone .screen { position: absolute; inset: 11px; border-radius: 36px; overflow: hidden; background: var(--bt-bg); }
/* iPad bezel */
.device-ipad {
  width: 100%; aspect-ratio: 4 / 3; background: #000; border-radius: 30px; padding: 13px; position: relative;
  box-shadow: inset 0 0 0 2px #1c1c22, 0 40px 80px rgba(0,0,0,0.5);
}
.device-ipad .screen { position: absolute; inset: 13px; border-radius: 18px; overflow: hidden; background: var(--bt-bg); }

.shot-fill { width: 100%; height: 100%; }
.shot-img { display: block; width: 100%; height: 100%; object-fit: cover; }
/* bilingual screenshots: show the image matching <html lang> (set by site.js) */
html[lang="it"] .shot-img[lang="en"],
html:not([lang="it"]) .shot-img[lang="it"] { display: none; }

/* floating hero stat chip */
.float-chip {
  position: absolute; background: rgba(20,20,27,0.85); backdrop-filter: blur(14px);
  border: 1px solid var(--bt-stroke-strong); border-radius: 16px; padding: 13px 16px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45); display: flex; align-items: center; gap: 12px;
}
.float-chip .ic { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex-shrink: 0; }
.float-chip .k { display: block; font-size: 11px; color: var(--bt-text-3); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.float-chip .v { display: block; font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin-top: 3px; }

/* ── Stat / KPI showcase ─────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.kpi { padding: 26px; }
.kpi .label { font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--bt-text-3); }
.kpi .value { font-size: clamp(34px, 4vw, 46px); font-weight: 700; letter-spacing: -0.03em; margin-top: 12px; line-height: 1; }
.kpi .delta { font-size: 13px; font-weight: 600; margin-top: 10px; color: #6EE7B7; display: inline-flex; align-items: center; gap: 5px; }
@media (max-width: 760px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }

/* generic responsive grids */
.grid { display: grid; gap: var(--gap); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 920px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* alternating feature row */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.feature-row.flip .feature-media { order: -1; }
@media (max-width: 900px) {
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row.flip .feature-media { order: 0; }
}
.feature-copy h3 { font-size: var(--fs-h2); margin-top: 16px; }
.feature-copy p { margin-top: 16px; color: var(--bt-text-2); font-size: var(--fs-lead); }
.feature-list { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.feature-list li { display: flex; gap: 13px; align-items: flex-start; color: var(--bt-text-2); font-size: var(--fs-sm); }
.feature-list .tick {
  width: 24px; height: 24px; border-radius: 8px; flex-shrink: 0; display: grid; place-items: center;
  background: rgba(52,211,153,0.13); color: #6EE7B7;
}
.feature-list .tick svg { width: 14px; height: 14px; }

/* ── "Data everywhere" band ──────────────────────────────────────── */
.band {
  background: linear-gradient(180deg, var(--bt-bg-elev-1) 0%, var(--bt-bg) 100%);
  border-block: 1px solid var(--bt-stroke);
}

/* ── Pricing ─────────────────────────────────────────────────────── */
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap); max-width: 880px; margin-inline: auto; align-items: stretch; }
@media (max-width: 760px) { .price-grid { grid-template-columns: 1fr; } }
.price-card { display: flex; flex-direction: column; padding: clamp(26px, 3.5vw, 40px); }
.price-card.featured { border-color: rgba(139,92,255,0.45); box-shadow: 0 0 0 1px rgba(139,92,255,0.25), 0 30px 70px rgba(139,92,255,0.12); }
.price-name { font-size: 15px; font-weight: 700; letter-spacing: 0.02em; text-transform: uppercase; color: var(--bt-text-2); }
.price-amt { display: flex; align-items: baseline; gap: 8px; margin-top: 20px; }
.price-amt .num { font-size: clamp(42px, 5vw, 56px); font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.price-amt .per { color: var(--bt-text-3); font-size: 15px; font-weight: 500; }
.billing-toggle { margin-top: 18px; align-self: flex-start; }
.save-badge { margin-left: 4px; padding: 2px 7px; border-radius: var(--r-pill); font-size: 11px; font-weight: 700; background: rgba(52,211,153,0.13); color: #6EE7B7; }
.price-billed { color: var(--bt-text-3); font-size: var(--fs-sm); margin-top: 8px; }
.price-sub { color: var(--bt-text-3); font-size: var(--fs-sm); margin-top: 12px; min-height: 42px; }
.price-features { margin-top: 26px; display: flex; flex-direction: column; gap: 13px; flex: 1; }
.price-features li { display: flex; gap: 12px; align-items: flex-start; font-size: var(--fs-sm); color: var(--bt-text-2); }
.price-features .ic { width: 22px; height: 22px; flex-shrink: 0; display: grid; place-items: center; border-radius: 7px; }
.price-features .ic.yes { background: rgba(52,211,153,0.13); color: #6EE7B7; }
.price-features .ic.no { background: var(--bt-ink-2); color: var(--bt-text-faint); }
.price-features .ic svg { width: 13px; height: 13px; }
.price-card .btn { margin-top: 28px; }

/* comparison table */
.compare { width: 100%; border-collapse: collapse; margin-top: 12px; }
.compare caption { text-align: left; }
.compare th, .compare td { padding: 18px 20px; text-align: left; border-bottom: 1px solid var(--bt-stroke); font-size: var(--fs-sm); vertical-align: middle; }
.compare thead th { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--bt-text-3); font-weight: 700; }
.compare tbody th { font-weight: 500; color: var(--bt-text); }
.compare td { text-align: center; color: var(--bt-text-2); }
.compare .col-pro { background: rgba(139,92,255,0.05); }
.compare thead .col-pro { border-radius: 12px 12px 0 0; color: var(--bt-purple-soft); }
.compare tbody tr:last-child td, .compare tbody tr:last-child th { border-bottom: none; }
.compare .yes { color: #6EE7B7; }
.compare .no { color: var(--bt-text-faint); }
.compare-scroll { overflow-x: auto; }
.compare-scroll table { min-width: 560px; }

.faq-item { border-bottom: 1px solid var(--bt-stroke); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: inherit; color: var(--bt-text); font-size: var(--fs-lead); font-weight: 600;
  padding: 24px 44px 24px 0; position: relative; letter-spacing: -0.02em;
}
.faq-q::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px;
  border-right: 2px solid var(--bt-text-3); border-bottom: 2px solid var(--bt-text-3);
  transform: translateY(-65%) rotate(45deg); transition: transform 220ms var(--ease);
}
.faq-item[open] .faq-q::after { transform: translateY(-35%) rotate(-135deg); }
.faq-a { padding: 0 44px 26px 0; color: var(--bt-text-3); font-size: var(--fs-body); line-height: 1.6; }
details.faq-item summary { list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }


/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--bt-stroke); background: var(--bt-bg-deep); padding-block: clamp(48px, 7vw, 80px) 36px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.footer-col h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--bt-text-3); font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; color: var(--bt-text-2); font-size: var(--fs-sm); padding: 6px 0; transition: color 140ms; }
.footer-col a:hover { color: var(--bt-text); }
.footer-social a { display: flex; align-items: center; gap: 10px; }
.footer-social svg { width: 18px; height: 18px; flex-shrink: 0; }
.footer-about p { color: var(--bt-text-3); font-size: var(--fs-sm); margin-top: 16px; max-width: 300px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--bt-stroke); color: var(--bt-text-faint); font-size: var(--fs-xs); flex-wrap: wrap; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; } .footer-about { grid-column: 1 / -1; } }

/* ── Legal layout ────────────────────────────────────────────────── */
.legal-wrap { display: grid; grid-template-columns: 240px 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.legal-nav { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 4px; }
.legal-nav a {
  padding: 11px 14px; border-radius: 11px; font-size: var(--fs-sm); font-weight: 500; color: var(--bt-text-3);
  transition: color 140ms, background 140ms;
}
.legal-nav a:hover { color: var(--bt-text-2); background: var(--bt-ink-1); }
.legal-nav a.active { color: var(--bt-text); background: var(--bt-ink-2); }
.legal-doc { max-width: 720px; }
.legal-doc h1 { font-size: var(--fs-h1); }
.legal-doc .updated { color: var(--bt-text-faint); font-size: var(--fs-sm); margin-top: 14px; }
.legal-doc h2 { font-size: var(--fs-h3); margin-top: 44px; }
.legal-doc h3 { font-size: var(--fs-lead); margin-top: 28px; color: var(--bt-text); }
.legal-doc p { margin-top: 16px; color: var(--bt-text-2); line-height: 1.7; }
.legal-doc ul.bullet { margin-top: 16px; padding-left: 4px; display: flex; flex-direction: column; gap: 10px; }
.legal-doc ul.bullet li { padding-left: 22px; position: relative; color: var(--bt-text-2); line-height: 1.6; }
.legal-doc ul.bullet li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 6px; height: 6px; border-radius: 999px; background: var(--bt-purple); }
.legal-doc .callout { margin-top: 24px; padding: 20px 22px; border-radius: var(--r-md); background: var(--bt-ink-1); border: 1px solid var(--bt-stroke); }
.legal-doc .callout p { margin-top: 0; color: var(--bt-text-2); font-size: var(--fs-sm); }
.legal-doc table.data { width: 100%; border-collapse: collapse; margin-top: 20px; }
.legal-doc table.data th, .legal-doc table.data td { text-align: left; padding: 13px 16px; border: 1px solid var(--bt-stroke); font-size: var(--fs-sm); color: var(--bt-text-2); }
.legal-doc table.data th { background: var(--bt-ink-1); color: var(--bt-text); font-weight: 600; }
.legal-doc:focus { outline: none; }
.legal-doc a { color: var(--bt-purple-soft); }
.legal-doc .table-scroll { overflow-x: auto; }
/* bilingual legal pages: show the article matching the page language */
html[lang="it"] .legal-doc[lang="en"],
html:not([lang="it"]) .legal-doc[lang="it"] { display: none; }
@media (max-width: 820px) {
  .legal-wrap { grid-template-columns: 1fr; }
  .legal-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; padding-bottom: 20px; border-bottom: 1px solid var(--bt-stroke); }
  .legal-nav a { background: var(--bt-ink-1); }
}

/* doc legal section visibility */
.legal-doc-panel { display: none; }
.legal-doc-panel.active { display: block; animation: fade 280ms var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── Reveal on scroll ────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; } }

/* utility */
.mt-0 { margin-top: 0; }
.center { text-align: center; }
.text-2 { color: var(--bt-text-2); }
.text-3 { color: var(--bt-text-3); }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--bt-stroke); border: none; margin: 0; }
.relative { position: relative; z-index: 1; }