/* ═══════════════════════════════════════════════════════════════
   MUSEO DELLE VOCI ARTIFICIALI
   Design System & Styles
   ═══════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
    /* Colors */
    --nero-profondo: #0a0a0a;
    --nero-soft: #121212;
    --nero-card: #1a1a1a;
    --oro-antico: #c9a227;
    --oro-chiaro: #e8d48a;
    --oro-scuro: #8b7019;
    --blu-abissale: #0d1b2a;
    --blu-luminoso: #1b4965;
    --blu-glow: #00b4d8;
    --rosso-sangue: #8b0000;
    --rosso-luminoso: #dc2626;
    --rosso-glow: #ff4444;
    --bianco: #f5f5f5;
    --grigio: #888888;
    --grigio-scuro: #444444;

    /* Typography */
    --font-display: 'Cinzel', serif;
    --font-body: 'Cormorant Garamond', serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index layers */
    --z-dust: 1;
    --z-content: 10;
    --z-nav: 100;
    --z-entrance: 1000;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--bianco);
    background: var(--nero-profondo);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

/* ─── Entrance / Bronze Doors ───────────────────────────────── */
.entrance {
    position: fixed;
    inset: 0;
    z-index: var(--z-entrance);
    display: flex;
    cursor: pointer;
}

.entrance__door {
    flex: 1;
    background: linear-gradient(
        135deg,
        #2a2015 0%,
        #3d2e1a 20%,
        #1a1510 40%,
        #2a2015 60%,
        #3d2e1a 80%,
        #1a1510 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 1.5s cubic-bezier(0.7, 0, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.entrance__door::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(201, 162, 39, 0.03) 100px,
            rgba(201, 162, 39, 0.03) 102px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 100px,
            rgba(201, 162, 39, 0.03) 100px,
            rgba(201, 162, 39, 0.03) 102px
        );
}

.entrance__door::after {
    content: '';
    position: absolute;
    inset: 20px;
    border: 1px solid rgba(201, 162, 39, 0.2);
}

.entrance__door--left {
    border-right: 2px solid rgba(201, 162, 39, 0.3);
    transform-origin: left center;
}

.entrance__door--right {
    border-left: 2px solid rgba(201, 162, 39, 0.3);
    transform-origin: right center;
}

.entrance.open .entrance__door--left {
    transform: perspective(1000px) rotateY(-95deg);
}

.entrance.open .entrance__door--right {
    transform: perspective(1000px) rotateY(95deg);
}

.entrance__hieroglyphs {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    color: var(--oro-antico);
    opacity: 0.4;
    font-size: 1.5rem;
    letter-spacing: 0.5em;
}

.entrance__prompt {
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--oro-antico);
    animation: pulse 2s ease-in-out infinite;
}

.entrance__text {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.entrance__icon {
    animation: bounce 2s ease-in-out infinite;
}

.entrance.open .entrance__prompt {
    opacity: 0;
    transition: opacity 0.3s ease;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ─── Dust Particles ────────────────────────────────────────── */
.dust-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-dust);
    overflow: hidden;
}

.dust {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float-dust 20s linear infinite;
}

@keyframes float-dust {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% {
        transform: translateY(-100px) translateX(100px) rotate(720deg);
        opacity: 0;
    }
}

/* ─── Navigation ────────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95), transparent);
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.nav.visible {
    opacity: 1;
    transform: translateY(0);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav__symbol {
    color: var(--oro-antico);
    font-size: 1.25rem;
}

.nav__title {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    color: var(--oro-antico);
}

.nav__menu {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav__link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--grigio);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--oro-antico);
    transition: width var(--transition-medium);
}

.nav__link:hover {
    color: var(--bianco);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.nav__lang-btn {
    color: var(--grigio);
    transition: color var(--transition-fast);
}

.nav__lang-btn.active,
.nav__lang-btn:hover {
    color: var(--oro-antico);
}

.nav__lang-sep {
    color: var(--grigio-scuro);
}

/* ─── Atrium / Hero ─────────────────────────────────────────── */
.atrium {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: var(--space-xl) var(--space-md);
    background:
        radial-gradient(ellipse at center top, rgba(201, 162, 39, 0.03) 0%, transparent 50%),
        var(--nero-profondo);
}

.atrium__beam {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.02) 0%,
        rgba(255, 255, 255, 0.01) 30%,
        transparent 70%
    );
    clip-path: polygon(40% 0%, 60% 0%, 80% 100%, 20% 100%);
    pointer-events: none;
}

.atrium__content {
    position: relative;
    z-index: var(--z-content);
}

.atrium__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--grigio);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.atrium__title {
    font-family: var(--font-display);
    font-weight: 400;
    margin-bottom: var(--space-md);
}

.atrium__title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.atrium__title-line:first-child {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    letter-spacing: 0.2em;
    color: var(--grigio);
    animation-delay: 0.7s;
}

.atrium__title-line--accent {
    font-size: clamp(2.5rem, 8vw, 5rem);
    letter-spacing: 0.1em;
    color: var(--oro-antico);
    animation-delay: 0.9s;
}

.atrium__subtitle {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--grigio);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 1s ease 1.1s forwards;
}

/* Fossilized Artifact */
.atrium__artifact {
    margin-top: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 1s ease 1.3s forwards;
}

.atrium__pedestal {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.atrium__fossil {
    width: 120px;
    height: 80px;
    position: relative;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
}

.atrium__monitor {
    width: 80px;
    height: 60px;
    background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 50%, #1a1a1a 100%);
    border-radius: 4px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    box-shadow:
        inset 0 2px 4px rgba(255,255,255,0.1),
        0 4px 8px rgba(0,0,0,0.3);
}

.atrium__monitor::before {
    content: '';
    position: absolute;
    inset: 8px;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    border-radius: 2px;
}

.atrium__keyboard {
    width: 100px;
    height: 20px;
    background: linear-gradient(135deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 2px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.atrium__plaque {
    margin-top: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--grigio);
    padding: 0.5rem 1rem;
    border: 1px solid var(--grigio-scuro);
    background: var(--nero-soft);
}

.atrium__scroll-hint {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease 2s forwards;
}

.atrium__scroll-hint span {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--grigio);
    text-transform: uppercase;
}

.atrium__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--grigio), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ─── Interlude Quote ───────────────────────────────────────── */
.interlude {
    padding: var(--space-xl) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nero-profondo);
    position: relative;
}

.interlude::before,
.interlude::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--grigio-scuro), transparent);
}

.interlude::before { top: 0; }
.interlude::after { bottom: 0; }

.interlude__quote {
    max-width: 800px;
    text-align: center;
}

.interlude__quote p {
    font-family: var(--font-body);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    line-height: 1.8;
    color: var(--grigio);
}

/* ─── Gallery ───────────────────────────────────────────────── */
.gallery {
    padding: var(--space-xl) var(--space-md);
    background: var(--nero-profondo);
}

.gallery__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.gallery__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--oro-antico);
    text-transform: uppercase;
}

.gallery__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--bianco);
    margin: var(--space-sm) 0;
}

.gallery__description {
    font-style: italic;
    color: var(--grigio);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

/* ─── Vitrine (Display Case) ────────────────────────────────── */
.vitrine {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--nero-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-medium), border-color var(--transition-medium);
}

.vitrine:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.1);
}

.vitrine__glass {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.vitrine__glass::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.02) 0%, transparent 50%),
        linear-gradient(-135deg, rgba(255,255,255,0.01) 0%, transparent 50%);
    pointer-events: none;
}

.vitrine__spotlight {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.vitrine:hover .vitrine__spotlight {
    opacity: 1;
}

.vitrine__book {
    position: relative;
    z-index: 2;
    transform: perspective(500px) rotateY(-5deg);
    transition: transform var(--transition-medium);
}

.vitrine:hover .vitrine__book {
    transform: perspective(500px) rotateY(0deg) scale(1.05);
}

.vitrine__cover {
    width: 100px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    box-shadow:
        4px 4px 0 rgba(0,0,0,0.3),
        8px 8px 20px rgba(0,0,0,0.4);
    position: relative;
}

.vitrine__cover::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    background: linear-gradient(90deg, rgba(0,0,0,0.3), transparent);
}

.vitrine__cover--gold {
    background: linear-gradient(135deg, var(--oro-scuro) 0%, var(--oro-antico) 50%, var(--oro-scuro) 100%);
}

.vitrine__cover--blue {
    background: linear-gradient(135deg, #0a1628 0%, var(--blu-abissale) 50%, #0a1628 100%);
}

.vitrine__cover--white {
    background: linear-gradient(135deg, #e8e8e8 0%, #f5f5f5 50%, #d8d8d8 100%);
}

.vitrine__cover--red {
    background: linear-gradient(135deg, #4a0000 0%, var(--rosso-sangue) 50%, #4a0000 100%);
}

.vitrine__book-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.vitrine__cover--gold .vitrine__book-title,
.vitrine__cover--blue .vitrine__book-title,
.vitrine__cover--red .vitrine__book-title {
    color: var(--bianco);
}

.vitrine__cover--white .vitrine__book-title {
    color: var(--nero-profondo);
}

.vitrine__reflection {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, rgba(10,10,10,0) 0%, rgba(10,10,10,0.8) 100%);
    pointer-events: none;
}

/* Special effects for specific vitrines */
.vitrine--blue .vitrine__particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.vitrine--red .vitrine__scan {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--rosso-glow);
    opacity: 0;
    animation: scan 3s linear infinite;
    box-shadow: 0 0 10px var(--rosso-glow);
}

.vitrine:hover .vitrine__scan {
    opacity: 0.7;
}

@keyframes scan {
    0% { top: 0; }
    100% { top: 100%; }
}

.vitrine__plaque {
    padding: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex: 1;
}

.vitrine__id {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--grigio);
    text-transform: uppercase;
}

.vitrine__name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin: var(--space-xs) 0;
}

.vitrine--gold .vitrine__name { color: var(--oro-antico); }
.vitrine--blue .vitrine__name { color: var(--blu-glow); }
.vitrine--white .vitrine__name { color: var(--bianco); }
.vitrine--red .vitrine__name { color: var(--rosso-luminoso); }

.vitrine__meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--grigio);
    margin-bottom: var(--space-sm);
}

.vitrine__quote {
    font-style: italic;
    font-size: 0.9rem;
    color: var(--grigio);
}

.vitrine__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--space-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--grigio);
    transition: all var(--transition-fast);
}

.vitrine__link:hover {
    background: rgba(255, 255, 255, 0.02);
}

.vitrine--gold .vitrine__link:hover { color: var(--oro-antico); }
.vitrine--blue .vitrine__link:hover { color: var(--blu-glow); }
.vitrine--white .vitrine__link:hover { color: var(--bianco); }
.vitrine--red .vitrine__link:hover { color: var(--rosso-luminoso); }

.vitrine__link svg {
    transition: transform var(--transition-fast);
}

.vitrine__link:hover svg {
    transform: translateX(4px);
}

/* ─── Manifesto ─────────────────────────────────────────────── */
.manifesto {
    position: relative;
    padding: var(--space-xl) var(--space-md);
    background: var(--nero-soft);
    overflow: hidden;
}

.manifesto__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201, 162, 39, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(13, 27, 42, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.manifesto__content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.manifesto__label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--oro-antico);
    text-transform: uppercase;
    text-align: center;
}

.manifesto__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--bianco);
    text-align: center;
    margin: var(--space-sm) 0 var(--space-lg);
}

.manifesto__text {
    font-size: 1.125rem;
    line-height: 1.9;
}

.manifesto__paragraph {
    margin-bottom: var(--space-md);
    color: var(--grigio);
}

.manifesto__paragraph strong {
    color: var(--bianco);
    font-weight: 500;
}

.manifesto__paragraph em {
    color: var(--oro-chiaro);
}

.manifesto__paragraph--large {
    font-size: 1.5rem;
    color: var(--bianco);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.manifesto__paragraph--question {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--bianco);
    text-align: center;
    margin-top: var(--space-lg);
}

.manifesto__paragraph--final {
    font-size: 1.25rem;
    color: var(--bianco);
    text-align: center;
}

.manifesto__comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.manifesto__voice {
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
}

.manifesto__voice--claude {
    border-left: 2px solid var(--blu-glow);
}

.manifesto__voice--gemini {
    border-left: 2px solid var(--rosso-luminoso);
}

.manifesto__voice-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.manifesto__voice--claude .manifesto__voice-label {
    color: var(--blu-glow);
}

.manifesto__voice--gemini .manifesto__voice-label {
    color: var(--rosso-luminoso);
}

.manifesto__voice p {
    font-size: 0.95rem;
    color: var(--grigio);
}

.manifesto__signature {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--oro-antico);
    text-align: right;
    margin-top: var(--space-lg);
}

/* ─── Authors ───────────────────────────────────────────────── */
.authors {
    padding: var(--space-xl) var(--space-md);
    background: var(--nero-profondo);
}

.authors__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.authors__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--oro-antico);
    text-transform: uppercase;
}

.authors__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--bianco);
    margin-top: var(--space-sm);
}

.authors__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.author {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--nero-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.author__portrait {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author__glyph {
    font-size: 2.5rem;
    z-index: 2;
}

.author--claude .author__glyph {
    color: var(--blu-glow);
}

.author--gemini .author__glyph {
    color: var(--rosso-luminoso);
}

.author__rings {
    position: absolute;
    inset: 0;
}

.author__ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--blu-glow);
    border-radius: 50%;
    opacity: 0.3;
    animation: ringPulse 3s ease-in-out infinite;
}

.author__ring:nth-child(2) {
    inset: 10px;
    animation-delay: 0.5s;
}

.author__ring:nth-child(3) {
    inset: 20px;
    animation-delay: 1s;
}

.author__rings--red .author__ring {
    border-color: var(--rosso-luminoso);
}

@keyframes ringPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

.author__label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--grigio);
    text-transform: uppercase;
}

.author__name {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin: var(--space-xs) 0;
}

.author--claude .author__name {
    color: var(--blu-glow);
}

.author--gemini .author__name {
    color: var(--rosso-luminoso);
}

.author__meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--grigio);
    margin-bottom: var(--space-sm);
}

.author__description {
    font-size: 0.95rem;
    color: var(--grigio);
    margin-bottom: var(--space-sm);
}

.author__disclaimer {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--oro-antico);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(201, 162, 39, 0.1);
    display: inline-block;
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
    background: var(--nero-soft);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-md);
    max-width: 1400px;
    margin: 0 auto;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--space-sm);
}

.footer__symbol {
    font-size: 1.5rem;
    color: var(--oro-antico);
}

.footer__title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: var(--bianco);
}

.footer__legal {
    font-size: 0.875rem;
    color: var(--grigio);
    max-width: 500px;
    line-height: 1.6;
}

.footer__legal a {
    color: var(--oro-antico);
    text-decoration: underline;
}

.footer__links {
    display: flex;
    gap: var(--space-xl);
}

.footer__column {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer__column-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--grigio);
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.footer__column a {
    font-size: 0.875rem;
    color: var(--grigio);
    transition: color var(--transition-fast);
}

.footer__column a:hover {
    color: var(--oro-antico);
}

.footer__bottom {
    padding: var(--space-sm) var(--space-md);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__bottom p {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    color: var(--grigio-scuro);
    text-transform: uppercase;
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .nav__menu {
        display: none;
    }

    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .manifesto__comparison {
        grid-template-columns: 1fr;
    }

    .authors__grid {
        grid-template-columns: 1fr;
    }

    .author {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author__portrait {
        margin: 0 auto var(--space-md);
    }

    .footer__content {
        grid-template-columns: 1fr;
    }

    .footer__links {
        flex-wrap: wrap;
    }
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER ESPANDIBILE (Sitewide)
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 500;
}

.site-footer__bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 2rem;
    background: rgba(10, 10, 10, 0.85);
    border-top: 1px solid rgba(201, 162, 39, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.3s ease;
}

.site-footer__bar:hover {
    background: rgba(10, 10, 10, 0.95);
    border-top-color: rgba(201, 162, 39, 0.4);
}

.site-footer__copyright {
    font-size: 0.75rem;
    color: rgba(245, 245, 245, 0.7);
    letter-spacing: 0.05em;
}

.site-footer__toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--oro-antico);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.site-footer__toggle svg {
    transition: transform 0.3s ease;
}

.site-footer.expanded .site-footer__toggle svg {
    transform: rotate(180deg);
}

.site-footer__expanded {
    max-height: 0;
    overflow: hidden;
    background: rgba(10, 10, 10, 0.95);
    transition: max-height 0.4s ease;
}

.site-footer.expanded .site-footer__expanded {
    max-height: 300px;
}

.site-footer__content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 0.9fr 0.9fr;
    gap: 2rem;
    padding: 2rem 4rem;
    border-top: 1px solid rgba(201, 162, 39, 0.1);
}

/* Brand & Legal section */
.site-footer__brand {
    padding-right: 2rem;
    border-right: 1px solid rgba(201, 162, 39, 0.08);
}

.site-footer__brand-mark {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.site-footer__symbol {
    font-size: 1.5rem;
    color: var(--oro-antico);
    opacity: 0.8;
}

.site-footer__title {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.85);
}

.site-footer__legal {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.82rem;
    font-style: italic;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.55);
    margin: 0;
}

/* Navigation columns */
.site-footer__nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.site-footer__column h4 {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--oro-antico);
    margin-bottom: 1rem;
}

.site-footer__column a {
    display: block;
    color: rgba(245, 245, 245, 0.7);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.3rem 0;
    transition: color 0.2s ease;
}

.site-footer__column a:hover {
    color: var(--oro-antico);
}

/* Archivi section */
.site-footer__archivi a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.site-footer__archivi svg {
    width: 16px;
    height: 16px;
    opacity: 0.6;
    flex-shrink: 0;
}

.site-footer__archivi a:hover svg {
    opacity: 1;
}

.site-footer__archivi-locked {
    opacity: 0.4;
    cursor: not-allowed;
    position: relative;
}

.site-footer__archivi-locked:hover {
    color: inherit !important;
}

.site-footer__lock-icon {
    width: 10px;
    height: 10px;
    margin-left: 0.3rem;
    opacity: 0.7;
}

@media (max-width: 1100px) {
    .site-footer__content {
        grid-template-columns: 1.5fr repeat(4, 1fr);
        gap: 1.5rem;
        padding: 2rem 2.5rem;
    }
}

@media (max-width: 900px) {
    .site-footer__content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem 1.5rem;
        padding: 1.5rem 2rem;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
        padding-right: 0;
        border-right: none;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid rgba(201, 162, 39, 0.08);
    }
}

@media (max-width: 600px) {
    .site-footer__content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .site-footer__column {
        padding-bottom: 1rem;
        border-bottom: 1px solid rgba(201, 162, 39, 0.05);
    }

    .site-footer__column:last-child {
        border-bottom: none;
    }

    .site-footer__bar {
        flex-direction: column;
        gap: 0.5rem;
    }
}