/* ==========================================================================
   LANDING PAGE — Facts, No Bullsh*t
   Identita' riusata da styles.css (dark + lime #CFFF04 + verdict neon).
   File autonomo: la landing scrolla, l'app no. Niente overflow:hidden qui.
   ========================================================================== */

/* ========== TOKENS (allineati a styles.css) ========== */
:root {
    --bg-deep: #030305;
    --bg-surface: #0D0D12;
    --bg-elevated: #16161D;
    --border: #2C2C2E;
    --border-subtle: #1C1C1E;

    --text-primary: #F5F5F7;
    --text-secondary: #8E8E93;
    --text-muted: #48484A;

    /* Verdetti — neon vividi */
    --verdict-true: #00FF88;
    --verdict-false: #FF3366;
    --verdict-partial: #FFB800;
    --verdict-misleading: #FF8C2B;
    --verdict-disputed: #8FA3B8;
    --verdict-unverifiable: #9AA0A6;

    /* Accent — Electric Lime (signature) */
    --accent: #CFFF04;
    --accent-dim: rgba(207, 255, 4, 0.15);
    --accent-glow: rgba(207, 255, 4, 0.25);

    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --radius-pill: 999px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);

    /* Scala tipografica fluida — ratio ~1.3, ceiling display <= 6rem */
    --step--1: clamp(0.8rem, 0.76rem + 0.2vw, 0.9rem);
    --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
    --step-1: clamp(1.3rem, 1.2rem + 0.5vw, 1.6rem);
    --step-2: clamp(1.7rem, 1.4rem + 1.5vw, 2.4rem);
    --step-3: clamp(2.2rem, 1.6rem + 3vw, 3.6rem);
    --step-4: clamp(2.7rem, 1.7rem + 5vw, 5rem);

    /* Spaziatura fluida tra le sezioni */
    --section-y: clamp(4.5rem, 3rem + 7vw, 9rem);
    --container: 1120px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    font-size: var(--step-0);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Atmosfera di fondo: due glow freddi + lime, fissi, dietro a tutto */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(60vw 50vh at 75% -5%, rgba(207, 255, 4, 0.07), transparent 60%),
        radial-gradient(55vw 50vh at 10% 12%, rgba(0, 255, 136, 0.05), transparent 55%),
        radial-gradient(50vw 50vh at 50% 110%, rgba(255, 51, 102, 0.05), transparent 60%);
    pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

::selection { background: var(--accent); color: #0A0A00; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ========== LAYOUT ========== */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 2.5rem);
}

.section { padding-block: var(--section-y); }

.eyebrow-mono {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.04em;
    color: var(--accent);
}

/* ========== NAV ========== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: 64px;
    padding-inline: clamp(1.25rem, 5vw, 2.5rem);
    background: rgba(3, 3, 5, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 300ms var(--ease-out), background 300ms var(--ease-out);
}
.nav[data-scrolled="true"] {
    border-bottom-color: var(--border-subtle);
    background: rgba(3, 3, 5, 0.88);
}

.brand {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    display: inline-flex;
    gap: 0.35ch;
    white-space: nowrap;
}
.brand .brand-nobs { color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

/* ========== BOTTONI ========== */
.btn {
    --btn-bg: transparent;
    --btn-fg: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5ch;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--step-0);
    line-height: 1;
    padding: 0.85em 1.35em;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    background: var(--btn-bg);
    color: var(--btn-fg);
    cursor: pointer;
    white-space: nowrap;
    transition: transform 200ms var(--ease-out), box-shadow 300ms var(--ease-out),
                background 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    --btn-bg: var(--accent);
    --btn-fg: #0A0A00;
    box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 12px 40px -8px var(--accent-glow); }

.btn-ghost {
    --btn-fg: var(--text-primary);
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--text-secondary); background: rgba(255, 255, 255, 0.05); }

.btn-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--step-0);
    padding: 0.6em 0.8em;
    cursor: pointer;
    transition: color 180ms var(--ease-out);
}
.btn-link:hover { color: var(--text-primary); }

.btn-lg { font-size: var(--step-1); padding: 0.95em 1.7em; }

/* ========== HERO ========== */
.hero {
    position: relative;
    padding-block: clamp(3rem, 2rem + 8vw, 7rem) var(--section-y);
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 1rem + 5vw, 5rem);
    align-items: center;
}

.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 0.6ch;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    color: var(--text-secondary);
    padding: 0.4em 0.9em;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    background: var(--bg-surface);
    margin-bottom: 1.5rem;
}
.live-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--verdict-true);
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.5);
    animation: live-ping 2s var(--ease-out) infinite;
}
@keyframes live-ping {
    0% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.5); }
    70%, 100% { box-shadow: 0 0 0 7px rgba(0, 255, 136, 0); }
}

.hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-4);
    line-height: 1.02;
    letter-spacing: -0.035em;
    text-wrap: balance;
    margin-bottom: 1.25rem;
}
.hero h1 .accent { color: var(--accent); }

.hero-sub {
    font-size: var(--step-1);
    color: var(--text-secondary);
    max-width: 34ch;
    line-height: 1.45;
    margin-bottom: 2rem;
}
.hero-sub strong { color: var(--text-primary); font-weight: 600; }

.hero-cta { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.hero-micro {
    margin-top: 1.1rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    color: var(--text-muted);
    display: flex; align-items: center; gap: 0.6ch;
}
.hero-micro::before {
    content: "›";
    color: var(--accent);
    font-weight: 700;
}

/* ========== DEMO LIVE (signature) ========== */
.demo {
    position: relative;
    background:
        linear-gradient(180deg, rgba(22, 22, 29, 0.9), rgba(13, 13, 18, 0.9));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem;
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.9),
                inset 0 1px 0 rgba(255, 255, 255, 0.04);
    overflow: hidden;
}
/* riga scanline sottile in cima: "segnale" */
.demo::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.5;
    animation: scan 4.5s linear infinite;
}
@keyframes scan {
    0% { transform: translateY(0); opacity: 0; }
    10%, 90% { opacity: 0.5; }
    100% { transform: translateY(340px); opacity: 0; }
}

.demo-bar {
    display: flex;
    align-items: center;
    gap: 0.7ch;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    padding-bottom: 0.9rem;
    margin-bottom: 0.9rem;
    border-bottom: 1px solid var(--border-subtle);
}
.demo-wave { display: flex; align-items: center; gap: 2px; margin-left: auto; height: 16px; }
.demo-wave span {
    width: 2px; border-radius: 2px;
    background: var(--accent);
    animation: wave 1s ease-in-out infinite;
}
.demo-wave span:nth-child(1) { height: 30%; animation-delay: 0s; }
.demo-wave span:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.demo-wave span:nth-child(3) { height: 100%; animation-delay: 0.2s; }
.demo-wave span:nth-child(4) { height: 55%; animation-delay: 0.3s; }
.demo-wave span:nth-child(5) { height: 80%; animation-delay: 0.4s; }
.demo-wave span:nth-child(6) { height: 35%; animation-delay: 0.5s; }
@keyframes wave { 0%, 100% { transform: scaleY(0.4); } 50% { transform: scaleY(1); } }

.demo-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.demo-transcript {
    font-size: 1.02rem;
    line-height: 1.5;
    color: var(--text-primary);
    min-height: 3.6em;
    margin-bottom: 1.25rem;
}
.demo-caret {
    display: inline-block;
    width: 2px; height: 1.05em;
    background: var(--accent);
    vertical-align: text-bottom;
    margin-left: 1px;
    animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

.demo-result {
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 450ms var(--ease-out), transform 450ms var(--ease-out);
}
.demo-result[data-show="true"] { opacity: 1; transform: translateY(0); }
.demo-result[data-state="checking"] { opacity: 1; transform: translateY(0); }

.demo-verdict-row { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; }

/* badge verdetto (replica di .verdict-badge dell'app) */
.vbadge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px;
    border: 1px solid transparent;
    white-space: nowrap;
}
.vbadge svg { width: 13px; height: 13px; }
.vbadge[data-v="true"]        { color: var(--verdict-true);        background: rgba(0,255,136,0.12);  border-color: rgba(0,255,136,0.3);  box-shadow: 0 0 12px rgba(0,255,136,0.18); }
.vbadge[data-v="false"]       { color: var(--verdict-false);       background: rgba(255,51,102,0.12);  border-color: rgba(255,51,102,0.3); box-shadow: 0 0 12px rgba(255,51,102,0.18); }
.vbadge[data-v="partial"]     { color: var(--verdict-partial);     background: rgba(255,184,0,0.12);   border-color: rgba(255,184,0,0.3);  box-shadow: 0 0 12px rgba(255,184,0,0.18); }
.vbadge[data-v="misleading"]  { color: var(--verdict-misleading);  background: rgba(255,140,43,0.12);  border-color: rgba(255,140,43,0.3); box-shadow: 0 0 12px rgba(255,140,43,0.18); }
.vbadge[data-v="disputed"]    { color: var(--verdict-disputed);    background: rgba(143,163,184,0.12); border-color: rgba(143,163,184,0.3); }
.vbadge[data-v="unverifiable"]{ color: var(--verdict-unverifiable);background: rgba(154,160,166,0.12); border-color: rgba(154,160,166,0.3); }
.vbadge[data-v="checking"]    { color: var(--text-secondary);      background: rgba(255,255,255,0.04); border-color: var(--border); }

.demo-checking-dots span {
    display: inline-block; width: 5px; height: 5px; border-radius: 50%;
    background: var(--text-secondary); margin-left: 3px;
    animation: dotp 1.2s ease-in-out infinite;
}
.demo-checking-dots span:nth-child(2) { animation-delay: 0.2s; }
.demo-checking-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotp { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

.demo-rationale { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.5; }
.demo-source {
    margin-top: 0.7rem;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-muted);
    display: inline-flex; align-items: center; gap: 0.5ch;
}
.demo-source .src-mark { color: var(--accent); }

/* ========== SECTION HEADINGS ========== */
.section-head { max-width: 26ch; margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-3);
    line-height: 1.05;
    letter-spacing: -0.03em;
    text-wrap: balance;
}
.section h2 .accent { color: var(--accent); }
.section-head p { margin-top: 1rem; color: var(--text-secondary); font-size: var(--step-1); max-width: 52ch; }
.section-head.center p { margin-inline: auto; }

/* ========== PROBLEM ========== */
.problem { border-top: 1px solid var(--border-subtle); }
.problem-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
.problem-lead {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-2);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-wrap: balance;
}
.problem-lead .strike { color: var(--text-muted); text-decoration: line-through; text-decoration-color: var(--verdict-false); }
.problem-body { color: var(--text-secondary); font-size: var(--step-1); line-height: 1.5; }
.problem-body strong { color: var(--text-primary); font-weight: 600; }

/* ========== HOW IT WORKS ========== */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 1rem + 2vw, 2.5rem); counter-reset: step; }
.step { position: relative; padding-top: 2.75rem; }
.step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute; top: 0; left: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    letter-spacing: 0.05em;
}
.step::after {
    content: "";
    position: absolute; top: 0.45rem; left: 2.6rem; right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}
.step h3 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--step-1);
    letter-spacing: -0.01em;
    margin-bottom: 0.6rem;
    display: inline-flex; align-items: center; gap: 0.6ch;
}
.step h3 svg { width: 20px; height: 20px; color: var(--accent); }
.step p { color: var(--text-secondary); font-size: var(--step-0); line-height: 1.5; }

/* ========== VERDICTS ========== */
.verdicts { border-top: 1px solid var(--border-subtle); }
.verdict-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; background: var(--border-subtle); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
.verdict-cell {
    background: var(--bg-surface);
    padding: clamp(1.4rem, 1rem + 1.5vw, 2rem);
    transition: background 250ms var(--ease-out);
}
.verdict-cell:hover { background: var(--bg-elevated); }
.verdict-cell h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-1);
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
    display: flex; align-items: center; gap: 0.6ch;
}
.verdict-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.verdict-cell p { color: var(--text-secondary); font-size: var(--step-0); line-height: 1.45; }
.v-true h3        { color: var(--verdict-true); }        .v-true .verdict-dot        { background: var(--verdict-true);        box-shadow: 0 0 10px var(--verdict-true); }
.v-partial h3     { color: var(--verdict-partial); }     .v-partial .verdict-dot     { background: var(--verdict-partial);     box-shadow: 0 0 10px var(--verdict-partial); }
.v-misleading h3  { color: var(--verdict-misleading); }  .v-misleading .verdict-dot  { background: var(--verdict-misleading);  box-shadow: 0 0 10px var(--verdict-misleading); }
.v-false h3       { color: var(--verdict-false); }       .v-false .verdict-dot       { background: var(--verdict-false);       box-shadow: 0 0 10px var(--verdict-false); }
.v-disputed h3    { color: var(--verdict-disputed); }    .v-disputed .verdict-dot    { background: var(--verdict-disputed); }
.v-unverifiable h3{ color: var(--verdict-unverifiable); }.v-unverifiable .verdict-dot{ background: var(--verdict-unverifiable); }

/* ========== USE CASES ========== */
.uses { border-top: 1px solid var(--border-subtle); }
.use-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.use-chip {
    display: inline-flex; align-items: center; gap: 0.7ch;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--step-1);
    color: var(--text-primary);
    padding: 0.7em 1.2em;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--bg-surface);
    transition: border-color 200ms var(--ease-out), color 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.use-chip svg { width: 18px; height: 18px; color: var(--accent); }
.use-chip:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ========== HONESTY ========== */
.honesty { border-top: 1px solid var(--border-subtle); }
.honesty-wrap {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center;
}
.honesty-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-left: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 1rem + 2vw, 2.25rem);
}
.honesty-card .vbadge { margin-bottom: 1rem; }
.honesty-card .claimq { font-size: var(--step-1); color: var(--text-primary); line-height: 1.4; margin-bottom: 0.9rem; font-family: var(--font-display); font-weight: 500; }
.honesty-card .why { color: var(--text-secondary); font-size: var(--step-0); line-height: 1.5; }
.honesty-card .src { margin-top: 1rem; font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-muted); }
.honesty-card .src b { color: var(--accent); font-weight: 500; }

/* ========== FINAL CTA ========== */
.final {
    position: relative;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
}
.final h2 { font-size: var(--step-4); margin-bottom: 1.1rem; }
.final p { color: var(--text-secondary); font-size: var(--step-1); max-width: 40ch; margin: 0 auto 2rem; }
.final .hero-micro { justify-content: center; margin-top: 1.2rem; }

/* ========== FOOTER ========== */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding-block: 2.5rem;
}
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.footer-links a, .footer-links button {
    background: none; border: none; cursor: pointer;
    font-family: var(--font-body); font-size: var(--step--1);
    color: var(--text-secondary); transition: color 180ms var(--ease-out);
}
.footer-links a:hover, .footer-links button:hover { color: var(--accent); }
.footer-copy { font-family: var(--font-mono); font-size: var(--step--1); color: var(--text-muted); }

/* ========== SCROLL REVEAL ==========
   Default: contenuto VISIBILE. L'occultamento si attiva solo se il JS aggiunge
   .js-reveal su <html>. Cosi' senza JS (o in tab/headless dove le transizioni
   non partono) le sezioni non restano mai vuote. */
.js-reveal .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}
.js-reveal .reveal.in { opacity: 1; transform: none; }
.js-reveal .reveal[data-d="1"] { transition-delay: 80ms; }
.js-reveal .reveal[data-d="2"] { transition-delay: 160ms; }
.js-reveal .reveal[data-d="3"] { transition-delay: 240ms; }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
    .hero-sub { max-width: 46ch; }
    .demo { order: 2; }
    .problem-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .steps { grid-template-columns: 1fr; gap: 2rem; }
    .step { padding-top: 2.4rem; }
    .step::after { display: none; }
    .honesty-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .nav .brand { font-size: 0.95rem; }
    .hero-cta { width: 100%; }
    .hero-cta .btn { flex: 1 1 auto; }
    .nav-actions .btn-ghost { display: none; }
    /* Headline piu' contenute per non sforare il container a 360-390px */
    .hero h1, .final h2 { font-size: clamp(2rem, 9vw, 2.6rem); letter-spacing: -0.03em; }
    .section h2 { font-size: clamp(1.9rem, 8vw, 2.4rem); }
    .hero-sub { font-size: var(--step-0); }
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .js-reveal .reveal { opacity: 1; transform: none; }
    .demo-result { opacity: 1; transform: none; }
    .live-dot { box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.2); }
    .lp-auth-overlay, .lp-auth-modal { transition: none !important; }
}

/* ========== AUTH MODAL (popup sign-in/sign-up homepage) ========== */
.lp-auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(3, 3, 5, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 220ms var(--ease-out), visibility 0s linear 220ms;
}
.lp-auth-overlay.visible {
    opacity: 1;
    visibility: visible;
    transition: opacity 220ms var(--ease-out);
}

.lp-auth-modal {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.6rem, 1rem + 3vw, 2.4rem);
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
    transform: translateY(12px) scale(0.985);
    transition: transform 280ms var(--ease-out-expo);
}
.lp-auth-overlay.visible .lp-auth-modal { transform: none; }

.lp-auth-close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}
.lp-auth-close:hover { color: var(--text-primary); border-color: var(--text-secondary); }

.lp-auth-eyebrow {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.04em;
    color: var(--accent);
    margin-bottom: 0.6rem;
}
.lp-auth-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-1);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}
.lp-auth-sub {
    color: var(--text-secondary);
    font-size: var(--step--1);
    margin-top: 0.4rem;
    margin-bottom: 1.4rem;
}

.lp-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.85em 1em;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--step-0);
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.lp-google-btn:hover { border-color: var(--text-secondary); transform: translateY(-1px); }
.lp-google-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.lp-auth-divider {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 1.2rem 0;
    color: var(--text-muted);
    font-size: var(--step--1);
}
.lp-auth-divider::before,
.lp-auth-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.lp-auth-tabs {
    display: flex;
    gap: 0.35rem;
    padding: 0.3rem;
    background: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    margin-bottom: 1rem;
}
.lp-auth-tab {
    flex: 1;
    padding: 0.6em 1em;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--step--1);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}
.lp-auth-tab.active { color: #0A0A00; background: var(--accent); }

.lp-auth-error {
    display: none;
    font-size: var(--step--1);
    margin-bottom: 0.8rem;
    line-height: 1.4;
}
.lp-auth-error.visible { display: block; }

.lp-auth-input {
    width: 100%;
    padding: 0.85em 1em;
    margin-bottom: 0.7rem;
    font-family: var(--font-body);
    font-size: var(--step-0);
    color: var(--text-primary);
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 160ms var(--ease-out);
}
.lp-auth-input::placeholder { color: var(--text-muted); }
.lp-auth-input:focus { outline: none; border-color: var(--accent); }

.lp-forgot {
    display: inline-block;
    font-size: var(--step--1);
    color: var(--text-secondary);
    margin: 0.1rem 0 1.1rem;
    cursor: pointer;
    transition: color 160ms var(--ease-out);
}
.lp-forgot:hover { color: var(--text-primary); }
.lp-forgot.hidden { display: none; }

.lp-auth-submit {
    width: 100%;
    padding: 0.95em 1em;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--step-0);
    color: #0A0A00;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-pill);
    cursor: pointer;
    box-shadow: 0 0 0 0 var(--accent-glow);
    transition: box-shadow 200ms var(--ease-out), transform 160ms var(--ease-out);
}
.lp-auth-submit:hover { transform: translateY(-1px); box-shadow: 0 12px 40px -8px var(--accent-glow); }
.lp-auth-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }

/* ========== GDPR CONSENT BANNER ========== */
.consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 900;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    padding: clamp(1rem, 0.6rem + 2vw, 1.5rem);
    transform: translateY(100%);
    transition: transform 400ms var(--ease-out);
    box-shadow: 0 -20px 50px -20px rgba(0, 0, 0, 0.6);
}
.consent-banner.visible { transform: translateY(0); }

.consent-banner-inner {
    max-width: var(--container);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
}
.consent-banner-text {
    flex: 1 1 340px;
    font-size: var(--step--1);
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}
.consent-banner-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.consent-banner-text a:hover { color: var(--text-primary); }

.consent-categories { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.consent-category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: var(--step--1);
    color: var(--text-primary);
    cursor: pointer;
}
.consent-category:hover { border-color: var(--accent); }
.consent-category.disabled { opacity: 0.5; cursor: default; }
.consent-category input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
}
.consent-category input[type="checkbox"]:checked { background: var(--accent); border-color: var(--accent); }
.consent-category input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0;
    width: 5px;
    height: 9px;
    border: solid var(--bg-deep);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.consent-category input[type="checkbox"]:disabled { opacity: 0.5; cursor: default; }
.consent-category-label { font-weight: 500; }
.consent-category-desc { font-size: 0.7rem; color: var(--text-muted); }

.consent-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.consent-btn {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: var(--step--1);
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.consent-btn:hover { transform: translateY(-1px); }
.consent-btn-accept { background: var(--accent); color: #0A0A00; border-color: var(--accent); }
.consent-btn-reject:hover, .consent-btn-save:hover { border-color: var(--text-secondary); background: rgba(255, 255, 255, 0.04); }

@media (max-width: 640px) {
    .consent-actions { width: 100%; }
    .consent-btn { flex: 1 1 auto; text-align: center; }
}