/* ═══════════════════════════════════════════════════════════════
   BASE v2 — Reset, typography, buttons, forms, components
   ═══════════════════════════════════════════════════════════════ */

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Root */
html  { scroll-behavior: smooth; font-size: 16px; }
/* Spazio scrollbar sempre riservato: le barre centrate/ancorate a destra
   non si spostano tra pagine con e senza scroll. */
html  { scrollbar-gutter: stable; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Base body — dark by default for public pages */
body {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: rgba(255,255,255,.85);
    background: var(--black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: var(--fw-semibold);
    line-height: var(--lh-tight);
    color: var(--white);
    letter-spacing: -0.02em;
}
h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

p { color: rgba(255,255,255,.55); line-height: var(--lh-relaxed); }
p + p { margin-top: var(--space-4); }

/* Righe bilanciate ovunque: i titoli non lasciano mai una parola sola
   sull'ultima riga (4-3, non 6-1); il corpo evita vedove/orfani.
   Funziona a ogni larghezza; i browser vecchi ignorano e vanno a capo normale. */
h1, h2, h3, h4, h5, h6,
.shader-sub, .hero-sub, .page-hero-sub,
.panel-card h2, .service-card h3, .sd-case-card h3,
.check-card h3, .hiw-step h3,
.approach-step h3, .cta-dark h2, .cta-dark p,
.btn, .badge, .tag { text-wrap: balance; }
p, li, .field label, .form-privacy { text-wrap: pretty; }

em { font-family: var(--font-serif); font-style: italic; font-weight: var(--fw-normal); }
strong { font-weight: var(--fw-semibold); }

a {
    color: var(--cyan);
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--white); text-decoration: none; }

/* Gradient text utility */
.text-gradient {
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Code */
code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: rgba(255,255,255,.06);
    padding: 2px 6px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border-dark);
    color: rgba(255,255,255,.75);
}
pre { overflow-x: auto; }
pre code { padding: 0; background: none; border: none; font-size: inherit; }

/* Layout primitives */
.container {
    max-width: var(--max-w-page);
    margin: 0 auto;
    padding: 0 var(--space-6);
}
.container-wide {
    max-width: var(--max-w-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
}
.container-prose { max-width: var(--max-w-prose); }

.section { padding: var(--space-20) 0; }
.section-tight { padding: var(--space-16) 0; }
.section-sm { padding: var(--space-12) 0; }

.section-alt {
    background: var(--black-soft);
    border-top: var(--border-dark);
    border-bottom: var(--border-dark);
    position: relative;
}
.section-alt::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(6,182,212,.04) 0%, transparent 50%);
    pointer-events: none;
}
.section-alt > .container,
.section-alt > .container-wide { position: relative; z-index: 1; }

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
    border-radius: var(--r-sm);
}

/* Skip link */
.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: var(--z-tooltip);
    background: var(--cyan); color: var(--black);
    padding: var(--space-2) var(--space-4);
    border-radius: 0 0 var(--r-md) 0;
    font-size: var(--fs-sm); font-weight: var(--fw-semibold);
    text-decoration: none;
}
.skip-link:focus { left: 0; }
#content { scroll-margin-top: calc(var(--header-h) + var(--space-4)); }

/* Labels / Badges */
.label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--r-full);
    background: var(--cyan-haze);
    border: 1px solid rgba(6,182,212,.15);
}
.label-light {
    color: rgba(255,255,255,.45);
    background: rgba(255,255,255,.04);
    border-color: rgba(255,255,255,.08);
}

.badge {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--r-full);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    border: var(--border-dark);
}
.badge-green { background: var(--green-haze); color: #4ade80; border-color: rgba(22,163,74,.2); }
.badge-red   { background: var(--red-haze);   color: #f87171; border-color: rgba(220,38,38,.2); }
.badge-blue  { background: var(--cyan-haze);  color: #67e8f9; border-color: rgba(6,182,212,.2); }
.badge-amber { background: var(--amber-haze); color: #fbbf24; border-color: rgba(217,119,6,.2); }

.tag {
    background: var(--cyan-haze); color: var(--cyan);
    font-size: var(--fs-xs); font-weight: var(--fw-medium);
    padding: var(--space-1) var(--space-3); border-radius: var(--r-full);
    border: var(--border-brand);
}

/* ═══════════════════════════════════
   BUTTONS
   ═══════════════════════════════════ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--r-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--dur-base) var(--ease-out);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Primary — Cyan fill */
.btn-primary {
    background: var(--cyan);
    color: #04242b !important;
    border-color: var(--cyan);
    font-weight: var(--fw-semibold);
    box-shadow: 0 2px 8px var(--cyan-glow);
}
.btn-primary:hover {
    background: var(--cyan-600);
    border-color: var(--cyan-600);
    color: #fff !important;
    box-shadow: 0 8px 24px var(--cyan-glow);
    transform: translateY(-2px);
}

/* Secondary — Violet fill */
.btn-secondary {
    background: var(--violet);
    color: #fff !important;
    border-color: var(--violet);
    font-weight: var(--fw-semibold);
    box-shadow: 0 2px 8px var(--violet-glow);
}
.btn-secondary:hover {
    background: var(--violet-600);
    border-color: var(--violet-600);
    box-shadow: 0 8px 24px var(--violet-glow);
    transform: translateY(-2px);
}

/* Outline — Cyan border */
.btn-outline {
    background: transparent;
    color: var(--cyan);
    border-color: var(--border-dark);
}
.btn-outline:hover {
    background: var(--cyan-haze);
    border-color: var(--cyan);
    color: var(--white);
}

/* Ghost — Subtle */
.btn-ghost {
    background: transparent;
    color: rgba(255,255,255,.6);
    border-color: var(--border-dark);
}
.btn-ghost:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,.15);
    color: var(--white);
}

/* White — For dark surfaces */
.btn-white {
    background: rgba(255,255,255,.08);
    color: var(--white) !important;
    border-color: rgba(255,255,255,.12);
    backdrop-filter: blur(8px);
}
.btn-white:hover {
    background: rgba(255,255,255,.15);
    border-color: rgba(255,255,255,.2);
}

/* Danger */
.btn-danger {
    background: var(--red);
    color: #fff !important;
    border-color: var(--red);
    box-shadow: 0 2px 8px var(--red-ring);
}
.btn-danger:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    box-shadow: 0 8px 24px var(--red-ring);
}
.btn-danger.armed, .app-nav-exit.armed {
    animation: armed-pulse .6s ease-in-out infinite alternate;
    background: #b91c1c; border-color: #fca5a5; color: #fff !important;
    box-shadow: 0 0 12px var(--red-ring);
}
@keyframes armed-pulse { from { opacity: 1; } to { opacity: .7; } }

/* Sizes */
.btn-sm { padding: .4rem 1rem; font-size: .8rem; }
.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--fs-base); }
.btn-xl { padding: var(--space-5) var(--space-10); font-size: var(--fs-lg); }
.btn-full { width: 100%; }

/* Button with icon */
.btn svg { flex-shrink: 0; width: 1em; height: 1em; }

/* ═══════════════════════════════════
   ALERTS / TOASTS
   ═══════════════════════════════════ */

/* Toast container - fixed top-right */
.toast-container {
    position: fixed;
    top: calc(var(--header-h) + var(--space-4));
    right: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}
.toast-container > * { pointer-events: auto; }

/* Toast (replaces inline .alert) */
.toast {
    display: flex; align-items: flex-start; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--r-lg);
    font-size: var(--fs-sm);
    border: 1px solid transparent;
    min-width: 280px;
    max-width: 400px;
    box-shadow: var(--shadow-xl), 0 0 30px -10px rgba(0,0,0,.4);
    animation: toast-in var(--dur-base) var(--ease-out);
    transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
    background: var(--glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.toast-hide { opacity: 0; transform: translateX(120%); }
.toast svg { flex-shrink: 0; margin-top: 2px; width: 20px; height: 20px; }
.toast-error   { color: #fca5a5; border-color: rgba(220,38,38,.3); }
.toast-success { color: #86efac; border-color: rgba(22,163,74,.3); }
.toast-info    { color: #a5f3fc; border-color: rgba(6,182,212,.3); }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(120%); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Legacy .alert kept for backward compat (inline in content) */
.alert {
    display: flex; align-items: flex-start; gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--r-lg);
    font-size: var(--fs-sm);
    border: 1px solid transparent;
    animation: alert-in var(--dur-slow) var(--ease-out);
    transition: opacity .4s var(--ease-out), transform .4s var(--ease-out);
}
.alert-hide { opacity: 0; transform: translateY(-6px); }
.alert svg { flex-shrink: 0; margin-top: 2px; width: 20px; height: 20px; }
.alert-error   { background: var(--red-haze); color: #fca5a5; border-color: rgba(220,38,38,.2); }
.alert-success { background: var(--green-haze); color: #86efac; border-color: rgba(22,163,74,.2); }
.alert-info    { background: var(--cyan-haze); color: #a5f3fc; border-color: rgba(6,182,212,.2); }

@keyframes alert-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════
   FORMS
   ═══════════════════════════════════ */
.field { margin-bottom: var(--space-5); }

.field label {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    margin-bottom: .65rem;
    color: rgba(255,255,255,.6);
}

.field-label {
    display: flex; justify-content: space-between; align-items: baseline;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    margin-bottom: .65rem;
    color: rgba(255,255,255,.6);
}
.field-hint { font-size: 0.7rem; font-weight: var(--fw-normal); color: rgba(255,255,255,.3); }
.required { color: var(--red); margin-left: 2px; }

.input,
input:not([type]), input[type="text"], input[type="email"], input[type="password"],
input[type="url"], input[type="number"], input[type="datetime-local"], textarea, select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    border: var(--border-dark);
    border-radius: var(--r-md);
    background: rgba(255,255,255,.04);
    color: var(--white);
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
    outline: none;
    min-height: 44px;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a1a1aa' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.input::placeholder,
input::placeholder,
textarea::placeholder { color: rgba(255,255,255,.2); }

.input:focus,
input:focus, textarea:focus, select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px var(--cyan-haze);
}

textarea { resize: vertical; min-height: 120px; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

/* Checkbox / Radio */
.field-checkbox {
    display: flex; align-items: flex-start; gap: var(--space-3);
    cursor: pointer;
}
.field-checkbox input { margin-top: 2px; flex-shrink: 0; }
.field-checkbox label { margin: 0; color: rgba(255,255,255,.6); font-size: var(--fs-sm); }

/* ═══════════════════════════════════
   CARDS — Glassmorphism surface
   ═══════════════════════════════════ */
.card {
    background: var(--glass-bg);
    border: var(--border-dark);
    border-radius: var(--r-xl);
    transition: all var(--dur-base) var(--ease-out);
}
.card:hover {
    background: var(--glass-hover);
    border-color: rgba(255,255,255,.12);
}
.card-strong {
    background: var(--glass-strong);
    border: var(--border-dark);
    border-radius: var(--r-xl);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.card-strong:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--border-brand);
}

/* ═══════════════════════════════════
   ANIMATIONS — Reveal on scroll
   ═══════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > .reveal { transition-delay: calc(var(--i, 0) * 80ms); }

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

/* Noscript fallback in head handles JS-disabled case */

/* Print-only brand mark (legal doc titles) — hidden on screen */
.print-only { display: none !important; }

/* ═══════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════ */
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slide-in-right {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 24px var(--cyan-glow); }
    50%      { box-shadow: 0 0 48px var(--cyan-glow); }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
@keyframes counter-in {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}

/* Utility animations */
.animate-fade-in { animation: fade-in var(--dur-slow) var(--ease-out) both; }
.animate-fade-in-up { animation: fade-in-up var(--dur-slower) var(--ease-out) both; }
.animate-slide-in-right { animation: slide-in-right var(--dur-slow) var(--ease-out) both; }
.animate-pulse-glow { animation: pulse-glow 3s var(--ease-out) infinite; }
.animate-float { animation: float 4s var(--ease-out) infinite; }
.animate-counter-in { animation: counter-in var(--dur-slow) var(--ease-spring) both; }

/* Stagger delays via inline style --i */
[style*="--i:"] { /* delays applied inline */ }

/* ═══════════════════════════════════════════════════════════════
   MOTION SYSTEM v2 — texture, entrance, spotlight, marquee,
   tabs, accordion, scroll-progress, to-top, copy-btn, tilt
   (progressive enhancement: nessun markup richiesto)
   ═══════════════════════════════════════════════════════════════ */

/* ── Branded selection + scrollbar ── */
::selection { background: rgba(6,182,212,.35); color: #fff; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #0a0a0c; }
::-webkit-scrollbar-thumb { background: #27272a; border-radius: 9999px; border: 2px solid #0a0a0c; }
::-webkit-scrollbar-thumb:hover { background: rgba(6,182,212,.5); }
* { scrollbar-width: thin; scrollbar-color: #27272a #0a0a0c; }

/* ── Dot-grid texture (ElevenLabs signature), pure CSS ── */
.hero::after,
.page-hero::after,
.page-intro::after,
.cta-dark::after {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 75%);
    mask-image: radial-gradient(ellipse at 50% 0%, black 20%, transparent 75%);
    pointer-events: none;
}
.hero, .page-hero, .page-intro, .cta-dark { position: relative; }
.hero > *:not(.hero-orb), .page-hero > *, .page-intro > *, .cta-dark > * { position: relative; }
.hero::after, .page-hero::after, .page-intro::after, .cta-dark::after { position: absolute; z-index: 0; }
.hero-inner, .page-hero .container, .page-intro .container, .cta-dark .container { z-index: 1; }

/* ── Hero entrance choreography (JS adds .hero-enter on load) ── */
.hero-enter .hero-content > *,
.hero-enter .stream-content > * {
    opacity: 0;
    animation: hero-rise .8s var(--ease-out) forwards;
}
.hero-enter .hero-content > *:nth-child(1),
.hero-enter .stream-content > *:nth-child(1) { animation-delay: .05s; }
.hero-enter .hero-content > *:nth-child(2),
.hero-enter .stream-content > *:nth-child(2) { animation-delay: .15s; }
.hero-enter .hero-content > *:nth-child(3),
.hero-enter .stream-content > *:nth-child(3) { animation-delay: .28s; }
.hero-enter .hero-content > *:nth-child(4),
.hero-enter .stream-content > *:nth-child(4) { animation-delay: .4s; }
.hero-enter .hero-content > *:nth-child(5),
.hero-enter .stream-content > *:nth-child(5) { animation-delay: .52s; }
.hero-enter .hero-visual {
    opacity: 0;
    animation: hero-rise .9s var(--ease-out) .35s forwards;
}
@keyframes hero-rise {
    from { opacity: 0; transform: translateY(28px); filter: blur(6px); }
    to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* ── Spotlight hover (JS sets --mx/--my in px) ── */
.spotlight { position: relative; }
.spotlight::after {
    content: ''; position: absolute; inset: 0; border-radius: inherit;
    background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(6,182,212,.12), transparent 65%);
    opacity: 0; transition: opacity var(--dur-base) var(--ease-out);
    pointer-events: none;
}
.spotlight:hover::after { opacity: 1; }

/* ── Marquee (JS duplicates [data-marquee-track] children) ── */
[data-marquee] { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
[data-marquee-track] { display: flex; gap: var(--space-10); align-items: center; width: max-content; animation: marquee 32s linear infinite; }
[data-marquee]:hover [data-marquee-track] { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── Scroll progress bar (injected by JS) ── */
#scroll-progress {
    position: fixed; top: 0; left: 0; height: 2px; width: 100%;
    transform-origin: 0 50%; transform: scaleX(0);
    background: var(--grad-text); z-index: var(--z-tooltip);
    pointer-events: none;
}

/* ── Back to top (injected by JS) ── */
#to-top {
    position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: var(--z-sticky);
    width: 44px; height: 44px; border-radius: var(--r-full);
    display: flex; align-items: center; justify-content: center;
    background: var(--glass-strong); border: var(--border-dark); color: var(--white);
    cursor: pointer; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    opacity: 0; transform: translateY(12px); pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
#to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#to-top:hover { border-color: var(--cyan); color: var(--cyan); }

/* ── Nav scrolled state ── */
.nav.scrolled {
    box-shadow: 0 8px 32px rgba(0,0,0,.45);
    border-bottom-color: rgba(255,255,255,.1);
}

/* ── Copy button for code blocks (injected by JS) ── */
.code-copy {
    position: absolute; top: .6rem; right: .6rem;
    font-family: var(--font-sans); font-size: var(--fs-xs); font-weight: var(--fw-medium);
    padding: .3rem .7rem; border-radius: var(--r-md);
    background: rgba(255,255,255,.06); border: var(--border-dark); color: rgba(255,255,255,.5);
    cursor: pointer; transition: all var(--dur-fast) var(--ease-out);
}
.code-copy:hover { color: var(--cyan); border-color: var(--cyan); }
.code-copy.is-copied { color: #4ade80; border-color: #4ade80; }
.hero-code, pre { position: relative; }

/* ── Accordion (pure CSS, <details class="acc">) ── */
details.acc { background: var(--glass-bg); border: var(--border-dark); border-radius: var(--r-xl); overflow: hidden; transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out); }
details.acc:hover { border-color: rgba(255,255,255,.14); }
details.acc[open] { background: var(--glass-hover); border-color: rgba(6,182,212,.25); }
details.acc > summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
    padding: var(--space-5) var(--space-6); font-weight: var(--fw-medium); color: var(--white);
}
details.acc > summary::-webkit-details-marker { display: none; }
details.acc > summary::after {
    content: '+'; flex-shrink: 0;
    width: 28px; height: 28px; border-radius: var(--r-full);
    display: inline-flex; align-items: center; justify-content: center;
    border: var(--border-dark); color: var(--cyan); font-size: 1.1rem; line-height: 1;
    transition: transform var(--dur-base) var(--ease-out);
}
details.acc[open] > summary::after { transform: rotate(45deg); }
.acc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur-slow) var(--ease-out); }
details.acc[open] .acc-body { grid-template-rows: 1fr; }
.acc-body > div { overflow: hidden; }
.acc-body p { padding: 0 var(--space-6) var(--space-6); font-size: var(--fs-sm); }

/* ── Tabs ([data-tabs], JS wires a11y + panels) ── */
[data-tabs] [role="tablist"] {
    display: inline-flex; gap: var(--space-1); padding: var(--space-1);
    background: var(--glass-bg); border: var(--border-dark); border-radius: var(--r-full);
}
[data-tabs] [role="tab"] {
    border: none; background: transparent; cursor: pointer;
    padding: var(--space-2) var(--space-5); border-radius: var(--r-full);
    font-family: var(--font-sans); font-size: var(--fs-sm); font-weight: var(--fw-medium);
    color: rgba(255,255,255,.5); transition: all var(--dur-fast) var(--ease-out);
    position: relative;
}
[data-tabs] [role="tab"]:hover { color: var(--white); }
[data-tabs] [role="tab"][aria-selected="true"] { background: var(--cyan-haze); color: var(--cyan); box-shadow: inset 0 0 0 1px rgba(6,182,212,.3); }
[data-tabs] [role="tabpanel"] { animation: fade-in var(--dur-base) var(--ease-out); }
[data-tabs] [role="tabpanel"][hidden] { display: none; }

/* ── Tilt (JS sets --rx/--ry) ── */
.tilt-wrap { perspective: 1200px; }
.tilt { transition: transform .15s ease-out; transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }

/* ── Button shine sweep ── */
.btn-shine { position: relative; overflow: hidden; }
.btn-shine::after {
    content: ''; position: absolute; top: 0; left: -80%;
    width: 60%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
    transform: skewX(-20deg); transition: left .6s var(--ease-out);
    pointer-events: none;
}
.btn-shine:hover::after { left: 130%; }

/* ── Typing dots (chat/loaders) ── */
.typing-dots { display: inline-flex; gap: 4px; align-items: center; }
.typing-dots span {
    width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
    animation: dot-bounce 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .15s; }
.typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes dot-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-5px); opacity: 1; } }

/* ── Animated gradient text ── */
.text-gradient-animated {
    background: linear-gradient(120deg, var(--cyan), var(--violet), var(--cyan));
    background-size: 200% auto;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-pan 6s linear infinite;
}
@keyframes gradient-pan { to { background-position: 200% center; } }

/* ── Motion safety: kill decorative animation under reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .hero-enter .hero-content > *, .hero-enter .stream-content > *, .hero-enter .hero-visual { opacity: 1 !important; animation: none !important; }
[data-marquee-track], .animate-float, .animate-pulse-glow, .text-gradient-animated { animation: none !important; }
    #to-top { transition: none; }
}

/* Dashboard/admin billing labels - base state */
.dash-stat-card .label-full, .admin-stat-card .label-full { display: inline; }
.dash-stat-card .label-short, .admin-stat-card .label-short { display: none; }

/* ECB rate box (billing): la nota "(tasso del {pub} · sync {sync})" è secondaria */
.ecb-date { color: rgba(255,255,255,.35); font-weight: 400; }

/* ════════════════════════════════════════════════════════════════
   PRINT — documenti legali puliti (pulsante ⬇ PDF)
   ═══════════════════════════════════════════════════════════════ */
@media print {
    .nav, .footer, .legal-actions, #scroll-progress, #to-top,
    .skip-link, .hero-orb, .code-copy { display: none !important; }
    body { background: #fff !important; color: #111 !important; }
    .page-hero { background: none !important; padding: 0 0 1rem !important; }
    .page-hero::before, .page-hero::after { display: none !important; }
    .page-hero h1 {
        color: #111 !important;
        background: none !important;
        -webkit-background-clip: initial !important;
        -webkit-text-fill-color: initial !important;
        background-clip: initial !important;
    }
    .page-hero-sub, .legal-body p, .legal-table td { color: #333 !important; }
    .print-only {
        display: inline-block !important;
        height: .9em; width: auto;
        margin-left: .35em; vertical-align: -0.06em;
    }
    .legal-body { max-width: 100%; background: none !important; border: none !important; padding: 0 !important; }
    .legal-body h2 { color: #111 !important; border-left-color: #111 !important; }
    .section { padding: 0 !important; }
    .legal-table th { background: #eee !important; color: #111 !important; border-color: #ccc !important; }
    .legal-table td { border-color: #ccc !important; }
    a { color: #111 !important; text-decoration: underline; }
}