/* Kora — sito di presentazione. Design "chiaro premium": bianco caldo, molta
   aria, tipografia grande e stretta, accenti a gradiente blu→viola solo su
   bottoni/numeri/icone, bordi sottili, ombre quasi assenti. Zero dipendenze. */
:root {
  --accent: #3b5bfd;
  --accent-2: #7c3aed;
  --accent-dark: #2947d8;
  --accent-soft: #eef1ff;
  --grad: linear-gradient(120deg, #3b5bfd 10%, #7c3aed 90%);
  --ink: #0d1220;
  --text: #414a5c;
  --muted: #6b7385;
  --border: #e8e9ee;
  --border-strong: #d8dae2;
  --bg: #ffffff;
  --bg-alt: #f7f8fa;
  --radius: 18px;
  --shadow: 0 18px 44px rgba(13, 18, 32, 0.09);
  --shadow-sm: 0 1px 2px rgba(13, 18, 32, 0.05);
  --wrap: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { color: var(--ink); line-height: 1.12; margin: 0; font-weight: 750; letter-spacing: -0.022em; }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
img, svg { max-width: 100%; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 800px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: 0 0 10px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ── Icone SVG a tratto ──────────────────────────────────────────────── */
.ico { width: 22px; height: 22px; flex: 0 0 auto; }

/* ── Bottoni ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--grad); color: #fff; font-weight: 600; font-size: 15px;
  padding: 12px 22px; border-radius: 12px; border: 1px solid transparent;
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
  cursor: pointer; white-space: nowrap;
  box-shadow: 0 6px 18px rgba(59, 91, 253, .22);
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 10px 26px rgba(59, 91, 253, .30); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 15px 28px; font-size: 16.5px; border-radius: 14px; }
.btn-sm { padding: 8px 16px; font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn-ghost {
  background: #fff; color: var(--ink); border-color: var(--border-strong); box-shadow: none;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-dark); box-shadow: 0 6px 18px rgba(59, 91, 253, .10); filter: none; }

/* ── Header ──────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.78); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(13, 18, 32, 0.06);
}
.site-header.scrolled { box-shadow: 0 8px 30px rgba(13, 18, 32, .06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 20px; letter-spacing: -0.02em; }
.logo-mark {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: var(--grad); color: #fff; font-weight: 800;
  box-shadow: 0 4px 12px rgba(59, 91, 253, .28);
}
.nav-menu { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-menu a { color: var(--text); font-weight: 500; font-size: 15px; transition: color .12s ease; }
.nav-menu a:hover { color: var(--ink); }
.nav-menu a.btn { color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ── Hero ────────────────────────────────────────────────────────────── */
.hero {
  position: relative; padding: 92px 0 72px; overflow: hidden;
  background:
    radial-gradient(720px 380px at 12% -8%, rgba(59, 91, 253, .07), transparent 65%),
    radial-gradient(640px 360px at 88% 4%, rgba(124, 58, 237, .06), transparent 65%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 56px; align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 600; font-size: 13.5px; letter-spacing: .06em; margin-bottom: 20px; text-transform: uppercase; }
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: #fff; color: var(--accent-dark); text-transform: none; letter-spacing: 0;
  font-size: 12.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }
.hero h1 { font-size: clamp(38px, 5.4vw, 62px); font-weight: 800; }
.hero h1 .hl {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lead { font-size: 19.5px; color: var(--muted); margin-top: 22px; max-width: 33em; line-height: 1.7; }
.lead strong { color: var(--ink); font-weight: 650; }
.hero-cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 24px; list-style: none; padding: 0; margin: 30px 0 0; color: var(--muted); font-size: 14px; font-weight: 500; }

/* Mockup telefono */
.hero-visual { display: flex; justify-content: center; position: relative; }
.hero-visual::before {
  content: ""; position: absolute; inset: 8% -6% 4% -6%; z-index: 0; border-radius: 40px;
  background: radial-gradient(60% 60% at 50% 42%, rgba(59, 91, 253, .10), rgba(124, 58, 237, .05) 60%, transparent 100%);
  filter: blur(4px);
}
.phone {
  position: relative; z-index: 1;
  width: 310px; max-width: 100%; background: #fff; border: 1px solid var(--border);
  border-radius: 30px; box-shadow: var(--shadow); overflow: hidden;
}
.phone-top {
  display: flex; align-items: center; gap: 8px;
  background: var(--ink); color: #fff; font-weight: 600; font-size: 13.5px; padding: 14px 18px;
}
.phone-top::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 3px rgba(52, 211, 153, .22); }
.chat { padding: 16px; display: flex; flex-direction: column; gap: 10px; background: #f8f9fb; }
.msg { max-width: 84%; padding: 10px 13px; border-radius: 15px; font-size: 14px; line-height: 1.5; }
.msg.in { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.msg.out { align-self: flex-end; background: var(--grad); color: #fff; border-bottom-right-radius: 5px; }
.msg.out strong { color: #fff; }
/* Chat hero animata: altezza stabile (niente salti di layout) + scroll interno.
   Senza JS la classe .animating non c'è e la conversazione resta statica. */
.chat.animating { height: 390px; overflow-y: hidden; justify-content: flex-start; }
.chat .msg { animation: msg-in .28s ease-out both; }
@keyframes msg-in { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.msg.typing-msg { display: inline-flex; gap: 5px; align-items: center; min-width: 52px; min-height: 20px; }
.msg .tdot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.85); animation: blink 1.1s infinite both; }
.msg .tdot:nth-child(2) { animation-delay: .18s; }
.msg .tdot:nth-child(3) { animation-delay: .36s; }
@media (prefers-reduced-motion: reduce) { .chat .msg { animation: none; } }

/* mockup del telefono che fluttua leggero */
.phone { animation: float 6s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .phone { animation: none; } }

/* ── Value band: confronto marketplace vs Kora, hairline sopra/sotto ──── */
.band { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 48px 0; background: var(--bg); }
.band-kicker { text-align: center; color: var(--ink); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; margin-bottom: 28px; }
.band-compare { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; max-width: 760px; margin: 0 auto; }
.band-side { text-align: center; }
.band-who { display: block; color: var(--muted); font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.band-num {
  display: block; font-size: 42px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.band-num-bad { background: none; -webkit-text-fill-color: currentColor; color: var(--border-strong); text-decoration: line-through; text-decoration-thickness: 3px; text-decoration-color: rgba(13, 18, 32, 0.28); }
.band-vs {
  width: 44px; height: 44px; border: 1px solid var(--border-strong); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-weight: 700; font-size: 14px; background: var(--bg-alt);
}
.band-lbl { display: block; color: var(--muted); font-size: 15px; margin-top: 4px; }
.band-foot { text-align: center; color: var(--text); font-size: 16px; margin-top: 28px; }
.band-foot strong { color: var(--ink); }

/* ── Sezioni ─────────────────────────────────────────────────────────── */
.section { padding: 104px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: clamp(30px, 3.8vw, 42px); text-align: center; }
.section-sub { text-align: center; color: var(--muted); font-size: 18px; margin: 16px auto 56px; max-width: 40em; }

/* Cards funzionalità */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px; box-shadow: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card h3 { font-size: 17.5px; margin-bottom: 7px; font-weight: 650; }
.card p { font-size: 14.5px; color: var(--muted); line-height: 1.6; }
.card-ico {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  margin-bottom: 16px; color: var(--accent);
  background: linear-gradient(135deg, rgba(59, 91, 253, .09), rgba(124, 58, 237, .09));
  border: 1px solid rgba(59, 91, 253, .14);
}
.card:hover .card-ico { color: var(--accent-dark); }

/* Come funziona */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.steps li {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px;
}
.step-n {
  display: block; font-size: 44px; font-weight: 800; line-height: 1; margin-bottom: 16px; letter-spacing: -0.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.steps h3 { font-size: 19px; margin-bottom: 8px; font-weight: 650; }
.steps p { color: var(--muted); font-size: 15px; }

/* Pacchetti */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.plans-hint { text-align: center; color: var(--muted); font-size: 14px; margin: -34px 0 26px; }
.plan {
  position: relative; background: #fff; border: 1px solid var(--border); border-radius: 20px;
  padding: 30px 26px; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-strong); }
/* Piano in evidenza e piano selezionato: bordo a gradiente (trucco doppio background). */
.plan-featured,
.plan.selected {
  border-color: transparent;
  background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
}
.plan.selected { box-shadow: 0 0 0 4px rgba(59, 91, 253, .10), var(--shadow); }
.plan-radio {
  position: absolute; top: 22px; right: 22px; width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border-strong); transition: all .15s ease;
}
.plan.selected .plan-radio { border-color: var(--accent); background: radial-gradient(circle, var(--accent) 42%, transparent 46%); }
.plan-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 14px; border-radius: 999px; box-shadow: 0 6px 16px rgba(59, 91, 253, .35);
}
.plan-name { font-size: 19px; font-weight: 700; }
.plan-price { font-size: 15px; color: var(--muted); margin: 10px 0 2px; }
.plan-price span {
  font-size: 42px; font-weight: 800; letter-spacing: -.03em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.plan-sub { font-size: 14px; color: var(--ink); font-weight: 650; margin: 0 0 2px; }
.plan-sub .sub-note { color: var(--accent-dark); font-weight: 600; }
.plan-sub-alt { font-size: 12.5px; color: var(--muted); margin: 0 0 10px; }
.plan-activation {
  display: inline-block; font-size: 12.5px; font-weight: 600; color: var(--text);
  background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px;
  padding: 4px 10px; margin: 0 0 8px;
}
.plan-activation .act-free { color: var(--accent); }
.plan-credit { display: flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 650; color: var(--accent-dark); margin: 2px 0 0; }
.plan-credit .ico { width: 16px; height: 16px; }
.plan-desc { color: var(--muted); font-size: 14.5px; min-height: 44px; margin-top: 8px; }

/* Lista incluso/escluso con tooltip */
.plan-feats { list-style: none; padding: 0; margin: 16px 0 22px; border-top: 1px solid var(--border); }
.feat {
  position: relative; display: flex; align-items: flex-start; gap: 9px;
  padding: 9px 0; font-size: 14px; border-bottom: 1px solid var(--border); cursor: help;
}
.feat::before { font-weight: 800; flex: 0 0 auto; line-height: 1.4; }
.feat.yes::before { content: "✓"; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.feat.no::before { content: "✕"; color: #c9ced9; }
.feat.no { color: var(--muted); }
.feat.no .feat-label { text-decoration: line-through; text-decoration-color: #d9dde5; }
.feat-label { flex: 1; }
.feat .info { flex: 0 0 auto; color: var(--muted); opacity: .35; display: inline-flex; transition: opacity .15s ease, color .15s ease; }
.feat .info .ico { width: 14px; height: 14px; }
.feat:hover .info, .feat:focus-visible .info { opacity: 1; color: var(--accent); }
.feat:hover { background: linear-gradient(90deg, rgba(59, 91, 253, .04), transparent); }

/* Tooltip flottante (gestito da JS) */
#tip {
  position: fixed; z-index: 100; max-width: 270px; background: var(--ink); color: #fff;
  font-size: 13px; line-height: 1.5; padding: 10px 13px; border-radius: 10px;
  box-shadow: 0 14px 34px rgba(13, 18, 32, .30); pointer-events: none; opacity: 0;
  transform: translateY(4px); transition: opacity .14s ease, transform .14s ease;
}
#tip.show { opacity: 1; transform: translateY(0); }
#tip::after {
  content: ""; position: absolute; left: var(--tip-arrow, 50%); bottom: -6px; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--ink); border-bottom: 0;
}
#tip.below::after { top: -6px; bottom: auto; border-top: 0; border-bottom-color: var(--ink); }

/* ── Dinamicità ──────────────────────────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .65s cubic-bezier(.22,.61,.36,1), transform .65s cubic-bezier(.22,.61,.36,1); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1 !important; transform: none !important; } }

/* Come funziona il prezzo */
.price-how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.how-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 22px; text-align: center; }
.section .price-how .how-item { background: var(--bg-alt); }
.how-ico {
  width: 42px; height: 42px; margin: 0 auto 12px; border-radius: 12px; display: grid; place-items: center;
  color: var(--accent);
  background: linear-gradient(135deg, rgba(59, 91, 253, .09), rgba(124, 58, 237, .09));
  border: 1px solid rgba(59, 91, 253, .14);
}
.how-item h3 { font-size: 16px; margin-bottom: 6px; font-weight: 650; }
.how-item p { font-size: 14px; color: var(--muted); }
.plans-note { text-align: center; color: var(--muted); font-size: 14px; margin-top: 26px; }
@media (max-width: 700px) { .price-how { grid-template-columns: 1fr; } }

/* Chiedi a Kora (assistente AI) */
.ask-head { text-align: center; margin-bottom: 30px; }
.kora-avatar {
  width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 18px;
  background: var(--grad);
  background-size: cover; background-position: center 22%; /* inquadra il viso */
  box-shadow: 0 10px 30px rgba(59, 91, 253, .22); border: 3px solid #fff;
}
.ask {
  background: #fff; border: 1px solid var(--border); border-radius: 22px;
  box-shadow: var(--shadow); padding: 20px; max-width: 740px; margin: 0 auto;
}
.ask-log { display: flex; flex-direction: column; gap: 12px; max-height: 440px; overflow-y: auto; padding: 6px 4px; }
.ask-msg { max-width: 88%; padding: 12px 15px; border-radius: 15px; font-size: 15.5px; line-height: 1.55; }
.ask-msg.kora { align-self: flex-start; background: var(--accent-soft); color: #232c45; border-bottom-left-radius: 5px; }
.ask-msg.user { align-self: flex-end; background: var(--grad); color: #fff; border-bottom-right-radius: 5px; }
.ask-msg p { margin: 0 0 8px; }
.ask-msg p:last-child { margin-bottom: 0; }
.ask-msg ul, .ask-msg ol { margin: 6px 0; padding-left: 20px; }
.ask-msg li { margin: 3px 0; }
.ask-msg a { color: var(--accent-dark); text-decoration: underline; font-weight: 600; }
.ask-msg.user a { color: #fff; }
.ask-msg code { background: rgba(0,0,0,.06); border-radius: 4px; padding: 1px 5px; font-size: 13.5px; }
.ask-msg.typing { color: var(--muted); font-style: italic; }
.ask-msg .dots span { animation: blink 1.2s infinite both; }
.ask-msg .dots span:nth-child(2) { animation-delay: .2s; }
.ask-msg .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

.ask-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 4px 4px; }
.chip {
  background: #fff; border: 1px solid var(--border); color: var(--text);
  font-size: 13.5px; padding: 7px 14px; border-radius: 999px; cursor: pointer; transition: all .12s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent-dark); background: var(--accent-soft); }

.ask-form { display: flex; gap: 10px; margin-top: 14px; }
.ask-form input {
  flex: 1; border: 1px solid var(--border); border-radius: 12px; padding: 13px 16px; font-size: 16px;
  font-family: inherit; color: var(--ink); outline: none; transition: border-color .12s ease, box-shadow .12s ease;
}
.ask-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(59, 91, 253, .10); }
.ask-send[disabled], .btn[disabled] { opacity: .55; cursor: default; }
.ask-fine { text-align: center; color: var(--muted); font-size: 13px; margin-top: 12px; }
.ask-fine a { color: var(--accent); }

/* CTA: pannello scuro arrotondato dentro la pagina chiara — il momento di
   contrasto del sito. Glow a gradiente, bottone bianco. */
.cta { padding: 30px 0 104px; }
.cta-inner {
  position: relative; overflow: hidden; text-align: center; color: #fff;
  background:
    radial-gradient(560px 280px at 18% 0%, rgba(59, 91, 253, .45), transparent 65%),
    radial-gradient(520px 280px at 85% 100%, rgba(124, 58, 237, .38), transparent 65%),
    var(--ink);
  border-radius: 28px; padding: 72px 32px;
}
.cta-eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 12.5px; font-weight: 700; color: #aab8ff; margin-bottom: 14px; }
.cta h2 { color: #fff; font-size: clamp(28px, 3.6vw, 40px); }
.cta p { color: #c3cbe4; font-size: 17.5px; margin: 16px auto 0; max-width: 38em; }
.cta-actions { margin-top: 30px; }
.cta .btn { background: #fff; color: var(--ink); border-color: #fff; box-shadow: 0 10px 30px rgba(0, 0, 0, .30); }
.cta .btn:hover { filter: none; background: #f2f4ff; }
.cta-fine { font-size: 14px; margin-top: 18px; color: #aab3cf; }
.cta-fine a { color: #fff; text-decoration: underline; }

/* Footer chiaro, minimale */
.site-footer { background: var(--bg); color: var(--muted); padding: 48px 0 40px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between; }
.site-footer .logo { color: var(--ink); }
.footer-tag { font-size: 14px; margin-top: 8px; max-width: 24em; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-nav a { color: var(--text); font-size: 14.5px; }
.footer-nav a:hover { color: var(--ink); }
.footer-copy { font-size: 13.5px; width: 100%; border-top: 1px solid var(--border); padding-top: 18px; margin-top: 8px; }
.footer-copy a { color: var(--text); }
.footer-copy p { margin: 0; }
.footer-legal { margin-top: 6px !important; font-size: 12.5px; opacity: .8; }

/* Chat FAB (segnaposto widget) */
.chat-fab {
  position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--grad); color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(59, 91, 253, .38); z-index: 40;
  transition: transform .15s ease, box-shadow .15s ease;
}
.chat-fab:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(59, 91, 253, .45); }
.chat-fab .ico { width: 24px; height: 24px; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 940px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 84px 0; }
}
@media (max-width: 860px) {
  .hero { padding: 56px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .steps, .plans { grid-template-columns: 1fr; }
  .plans-hint { margin-top: -40px; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 8px 0;
    max-height: 0; overflow: hidden; transition: max-height .25s ease; align-items: stretch;
  }
  .nav-menu li { padding: 0 24px; }
  .nav-menu li a { display: block; padding: 12px 0; }
  .nav-menu li a.btn { margin: 8px 0; text-align: center; }
  .nav.open .nav-menu { max-height: 380px; }
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
  .band-compare { grid-template-columns: 1fr; gap: 10px; }
  .band-vs { margin: 0 auto; }
  .cta-inner { padding: 56px 20px; border-radius: 22px; }
  body { font-size: 16px; }
}
