/* ═══════════════════════════════════════════════════════════════
   LIA Public Landing — Premium SaaS Design System
   ═══════════════════════════════════════════════════════════════ */
:root {
    --lia-navy: #070f1f;
    --lia-navy-mid: #0d1b3e;
    --lia-navy-soft: #152a52;
    --lia-accent: #6366f1;
    --lia-accent-hover: #4f46e5;
    --lia-green: #25d366;
    --lia-green-dark: #075e54;
    --lia-blue: #60a5fa;
    --lia-text: #0f172a;
    --lia-muted: #64748b;
    --lia-border: rgba(15, 23, 42, 0.08);
    --lia-glass: rgba(255, 255, 255, 0.06);
    --lia-glass-border: rgba(255, 255, 255, 0.12);
    --lia-radius: 12px;
    --lia-radius-lg: 20px;
    --lia-radius-xl: 28px;
    --lia-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --lia-shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.12), 0 8px 24px rgba(99, 102, 241, 0.08);
    --lia-shadow-glow: 0 0 0 1px rgba(99, 102, 241, 0.1), 0 32px 80px rgba(99, 102, 241, 0.15);
    --lia-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --lia-max: 1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--lia-text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

.lia { width: 100%; overflow-x: hidden; }

/* ── Nav ── */
.lia-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px clamp(20px, 4vw, 40px);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--lia-border);
}
.lia-nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    color: var(--lia-navy-mid);
    letter-spacing: -0.02em;
}
.lia-nav-dot {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--lia-accent), #818cf8);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lia-nav-dot svg { width: 14px; height: 14px; }
.lia-nav-actions { display: flex; align-items: center; gap: 12px; }
.lia-nav-back {
    font-size: 13px;
    font-weight: 500;
    color: var(--lia-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.lia-nav-back:hover { color: var(--lia-navy-mid); }
.lia-nav-cta {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: var(--lia-accent);
    border: none;
    border-radius: 10px;
    padding: 9px 18px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s, transform 0.2s var(--lia-ease);
}
.lia-nav-cta:hover {
    background: var(--lia-accent-hover);
    transform: translateY(-1px);
}

/* ── Hero ── */
.lia-hero {
    position: relative;
    background: var(--lia-navy);
    padding: clamp(48px, 8vw, 88px) clamp(20px, 4vw, 40px) clamp(56px, 10vw, 96px);
    text-align: center;
    overflow: hidden;
}
.lia-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99, 102, 241, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 90% 80%, rgba(37, 211, 102, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 40% 30% at 10% 70%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
    pointer-events: none;
}
.lia-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
}
.lia-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 211, 102, 0.12);
    border: 1px solid rgba(37, 211, 102, 0.28);
    border-radius: 100px;
    padding: 6px 16px;
    margin-bottom: 24px;
    animation: liaFadeUp 0.7s var(--lia-ease) both;
}
.lia-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--lia-green);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(37, 211, 102, 0.6);
    animation: liaPulse 2s ease-in-out infinite;
}
@keyframes liaPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.92); }
}
.lia-badge span {
    font-size: 12px;
    color: #4ade80;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.lia-hero h1 {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    animation: liaFadeUp 0.7s var(--lia-ease) 0.08s both;
}
.lia-hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #93c5fd 0%, #818cf8 50%, #a78bfa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.lia-hero-sub {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: rgba(255, 255, 255, 0.72);
    max-width: 580px;
    margin: 0 auto 32px;
    line-height: 1.65;
    animation: liaFadeUp 0.7s var(--lia-ease) 0.16s both;
}
.lia-hero-ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 36px;
    animation: liaFadeUp 0.7s var(--lia-ease) 0.24s both;
}
.lia-btn-hero-p {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--lia-accent) 0%, #818cf8 100%);
    border: none;
    border-radius: 12px;
    padding: 14px 28px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    transition: transform 0.25s var(--lia-ease), box-shadow 0.25s;
}
.lia-btn-hero-p:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
}
.lia-btn-hero-s {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    background: var(--lia-glass);
    border: 1px solid var(--lia-glass-border);
    border-radius: 12px;
    padding: 14px 28px;
    cursor: pointer;
    text-decoration: none;
    backdrop-filter: blur(8px);
    transition: background 0.2s, transform 0.25s var(--lia-ease);
}
.lia-btn-hero-s:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}
.lia-pills {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    animation: liaFadeUp 0.7s var(--lia-ease) 0.32s both;
}
.lia-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    border-radius: 100px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 500;
}
.lia-pill svg { width: 14px; height: 14px; }
.lia-pill-wa { background: rgba(37,211,102,0.12); border: 1px solid rgba(37,211,102,0.25); color: #4ade80; }
.lia-pill-meta { background: rgba(96,165,250,0.12); border: 1px solid rgba(96,165,250,0.25); color: #93c5fd; }
.lia-pill-lc { background: rgba(99,102,241,0.12); border: 1px solid rgba(99,102,241,0.25); color: #a5b4fc; }
.lia-sep { font-size: 12px; color: rgba(255,255,255,0.25); }

@keyframes liaFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Demo / Simulator (protagonist) ── */
.lia-demo {
    position: relative;
    padding: clamp(48px, 8vw, 80px) clamp(20px, 4vw, 40px);
    background: linear-gradient(180deg, #f8fafc 0%, #fff 40%, #f1f5f9 100%);
    scroll-margin-top: 72px;
}
.lia-demo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(900px, 90%);
    height: 400px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.lia-demo-header {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 40px;
}
.lia-demo-header .lia-sec-lbl { margin-bottom: 8px; }
.lia-demo-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--lia-navy-mid);
    margin-bottom: 12px;
}
.lia-demo-header p {
    font-size: 15px;
    color: var(--lia-muted);
    line-height: 1.6;
}
.lia-demo-stage {
    position: relative;
    max-width: 440px;
    margin: 0 auto;
}
.lia-phone-frame {
    background: #1a1a1a;
    border-radius: var(--lia-radius-xl);
    padding: 10px;
    box-shadow: var(--lia-shadow-glow);
    transition: transform 0.4s var(--lia-ease);
}
.lia-phone-frame:hover { transform: translateY(-4px); }
.lia-phone-notch {
    width: 80px;
    height: 5px;
    background: #333;
    border-radius: 3px;
    margin: 0 auto 8px;
}
.chat-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    padding: 0 4px;
}
.chat-tab {
    flex: 1;
    background: #fff;
    border: 1px solid var(--lia-border);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--lia-muted);
    cursor: pointer;
    transition: all 0.2s var(--lia-ease);
}
.chat-tab:hover { border-color: var(--lia-green-dark); color: var(--lia-navy-mid); }
.chat-tab.active {
    background: var(--lia-green-dark);
    color: #fff;
    border-color: var(--lia-green-dark);
    box-shadow: 0 4px 12px rgba(7, 94, 84, 0.25);
}
.chat-wrap {
    background: #ece5dd;
    border-radius: var(--lia-radius-lg);
    overflow: hidden;
    border: none;
}
.chat-head {
    background: var(--lia-green-dark);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.chat-av {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    overflow: hidden;
}
.chat-av img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.chat-hinfo h4 { font-size: 14px; font-weight: 600; color: #fff; letter-spacing: -0.01em; }
.chat-hinfo span { font-size: 12px; color: rgba(255,255,255,0.75); }
.chat-body {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 380px;
    max-height: 520px;
    overflow-y: auto;
    background: #e5ddd5 url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23d4cdc4' fill-opacity='0.4'%3E%3Cpath d='M0 0h30v30H0zm30 30h30v30H30z'/%3E%3C/g%3E%3C/svg%3E");
    scroll-behavior: smooth;
}
.bbl-row { display: flex; align-items: flex-end; gap: 6px; max-width: 92%; animation: bblIn 0.35s var(--lia-ease) both; }
.bbl-row-out { align-self: flex-end; flex-direction: row-reverse; margin-left: auto; }
.bbl-row-in { align-self: flex-start; }
@keyframes bblIn {
    from { opacity: 0; transform: translateY(8px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.bbl-av {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--lia-accent), #818cf8);
    overflow: hidden;
    flex-shrink: 0;
    margin-bottom: 2px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}
.bbl-av img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bbl {
    border-radius: 12px;
    padding: 8px 12px;
    font-size: 13px;
    line-height: 1.45;
    color: #111;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.bbl-out {
    background: #d9fdd3;
    border-radius: 12px 4px 12px 12px;
}
.bbl-in {
    background: #fff;
    border-radius: 4px 12px 12px 12px;
}
.btime { font-size: 10px; color: #8696a0; text-align: right; margin-top: 4px; }
.typing-wrap { align-self: flex-start; display: flex; align-items: flex-end; gap: 6px; animation: bblIn 0.3s var(--lia-ease) both; }
.typing {
    background: #fff;
    border-radius: 4px 12px 12px 12px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.typing-label { font-size: 11px; color: #8696a0; font-weight: 500; }
.typing-dots { display: flex; gap: 4px; align-items: center; }
.typing-dots span {
    width: 7px; height: 7px;
    background: #8696a0;
    border-radius: 50%;
    animation: blink 1.4s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink {
    0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-3px); }
}
.wa-list {
    background: #fff;
    border-radius: 12px;
    align-self: flex-start;
    border: none;
    overflow: hidden;
    max-width: 88%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    animation: bblIn 0.35s var(--lia-ease) both;
}
.wa-hdr {
    background: #f0f2f5;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    font-size: 11px;
    color: var(--lia-muted);
    font-weight: 600;
}
.wa-item {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.15s;
    cursor: default;
}
.wa-item:hover { background: #f8fafc; }
.wa-item:last-child { border-bottom: none; }
.wa-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lia-green); flex-shrink: 0; }
.wa-t { font-size: 12px; color: var(--lia-navy-mid); font-weight: 600; }
.wa-s { font-size: 11px; color: var(--lia-muted); margin-top: 1px; }
.cot-bbl {
    background: #fff;
    border-radius: 4px 12px 12px 12px;
    align-self: flex-start;
    max-width: 90%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    font-size: 13px;
    color: #111;
    line-height: 1.55;
    animation: bblIn 0.35s var(--lia-ease) both;
}
.cot-body { padding: 12px 14px; }
.cot-link { color: #027eb5; font-weight: 500; text-decoration: none; }
.cot-link:hover { text-decoration: underline; }
.cot-rut { font-size: 11px; color: var(--lia-muted); }
.resumen-title { font-size: 11px; font-weight: 700; color: var(--lia-green-dark); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; }
.resumen-body { font-size: 12px; line-height: 1.75; color: #111; }
.resumen-sep { color: #ddd; }
.resumen-pregunta { margin-top: 10px; font-size: 13px; font-weight: 500; color: #111; }
.restart-btn {
    margin: 14px auto 4px;
    display: block;
    background: var(--lia-green-dark);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.4s, transform 0.2s;
}
.restart-btn.visible { opacity: 1; }
.restart-btn:hover { transform: scale(1.02); }

/* ── Sections shared ── */
.lia-sec {
    padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 40px);
}
.lia-sec-inner { max-width: var(--lia-max); margin: 0 auto; }
.lia-sec-lbl {
    font-size: 12px;
    font-weight: 700;
    color: var(--lia-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.lia-sec h2 {
    font-size: clamp(1.625rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--lia-navy-mid);
    margin-bottom: 16px;
    line-height: 1.15;
}
.lia-sec-desc {
    font-size: 16px;
    color: var(--lia-muted);
    line-height: 1.65;
    max-width: 560px;
    margin-bottom: 48px;
}
.lia-sec-header { margin-bottom: 48px; }
.lia-sec-header .lia-sec-desc { margin-bottom: 0; }

/* ── Timeline / How it works ── */
.lia-timeline-sec { background: #fff; }
.lia-timeline {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    position: relative;
}
.lia-timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: linear-gradient(90deg, var(--lia-accent), #818cf8, var(--lia-green));
    opacity: 0.25;
    z-index: 0;
}
.lia-tl-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 8px;
}
.lia-tl-num {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 16px;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    border: 2px solid #fff;
    box-shadow: var(--lia-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--lia-accent);
    transition: transform 0.3s var(--lia-ease), box-shadow 0.3s;
}
.lia-tl-step:hover .lia-tl-num {
    transform: translateY(-4px);
    box-shadow: var(--lia-shadow-lg);
}
.lia-tl-step h3 {
    font-size: 13px;
    font-weight: 700;
    color: var(--lia-navy-mid);
    margin-bottom: 6px;
    line-height: 1.3;
}
.lia-tl-step p {
    font-size: 12px;
    color: var(--lia-muted);
    line-height: 1.5;
}

/* ── Benefits ── */
.lia-benefits-sec {
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    border-top: 1px solid var(--lia-border);
    border-bottom: 1px solid var(--lia-border);
}
.lia-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.lia-benefit {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--lia-border);
    border-radius: var(--lia-radius-lg);
    padding: 28px 24px;
    transition: transform 0.3s var(--lia-ease), box-shadow 0.3s, border-color 0.3s;
}
.lia-benefit:hover {
    transform: translateY(-4px);
    box-shadow: var(--lia-shadow-lg);
    border-color: rgba(99, 102, 241, 0.2);
}
.lia-benefit-ico {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #eef2ff, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}
.lia-benefit h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--lia-navy-mid);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.lia-benefit p {
    font-size: 14px;
    color: var(--lia-muted);
    line-height: 1.55;
}

/* ── Trust / Social proof ── */
.lia-trust-sec { background: var(--lia-navy-mid); color: #fff; }
.lia-trust-sec .lia-sec-lbl { color: #a5b4fc; }
.lia-trust-sec h2 { color: #fff; }
.lia-trust-sec .lia-sec-desc { color: rgba(255,255,255,0.65); }
.lia-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}
.lia-metric {
    text-align: center;
    padding: 32px 20px;
    background: var(--lia-glass);
    border: 1px solid var(--lia-glass-border);
    border-radius: var(--lia-radius-lg);
    backdrop-filter: blur(8px);
}
.lia-metric-val {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff, #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}
.lia-metric-lbl {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
}
.lia-metric-note {
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    margin-top: 6px;
}
.lia-integrations {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.lia-int-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
}

/* ── Privacy ── */
.lia-privacy {
    background: #eff6ff;
    border-top: 1px solid var(--lia-border);
}
.lia-privacy-inner {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    max-width: var(--lia-max);
    margin: 0 auto;
}
.lia-priv-icon {
    width: 52px;
    height: 52px;
    background: #dbeafe;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 24px;
}
.lia-priv-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--lia-navy-mid);
    margin-bottom: 8px;
}
.lia-priv-body p {
    font-size: 14px;
    color: #374151;
    line-height: 1.65;
}
.lia-priv-tag {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 100px;
    margin-top: 12px;
    letter-spacing: 0.04em;
}

/* ── CTA ── */
.lia-cta {
    position: relative;
    background: var(--lia-navy);
    padding: clamp(64px, 10vw, 96px) clamp(20px, 4vw, 40px);
    text-align: center;
    overflow: hidden;
}
.lia-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 80% at 50% 100%, rgba(99, 102, 241, 0.3) 0%, transparent 60%);
    pointer-events: none;
}
.lia-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.lia-cta h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    line-height: 1.15;
}
.lia-cta p {
    font-size: 17px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 32px;
    line-height: 1.6;
}
.lia-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.lia-btn-p {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--lia-accent), #818cf8);
    border: none;
    border-radius: 12px;
    padding: 16px 32px;
    cursor: pointer;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.45);
    transition: transform 0.25s var(--lia-ease), box-shadow 0.25s;
}
.lia-btn-p:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.55);
}
.lia-btn-s {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 12px;
    padding: 16px 32px;
    cursor: pointer;
    transition: background 0.2s;
}
.lia-btn-s:hover { background: rgba(255,255,255,0.08); }

/* ── Mid CTA strip ── */
.lia-mid-cta {
    text-align: center;
    padding: 40px clamp(20px, 4vw, 40px);
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    border-top: 1px solid rgba(99, 102, 241, 0.15);
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}
.lia-mid-cta p {
    font-size: 17px;
    font-weight: 600;
    color: var(--lia-navy-mid);
    margin-bottom: 16px;
}
.lia-mid-cta a {
    font-size: 15px;
    font-weight: 600;
    color: var(--lia-accent);
    text-decoration: none;
}
.lia-mid-cta a:hover { text-decoration: underline; }

/* ── Footer ── */
.lia-footer {
    padding: 20px clamp(20px, 4vw, 40px);
    border-top: 1px solid var(--lia-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    max-width: var(--lia-max);
    margin: 0 auto;
    width: 100%;
}
.lia-footer > span { font-size: 12px; color: #94a3b8; }
.lia-flogos { display: flex; align-items: center; gap: 10px; }
.lia-footer-powered { font-size: 11px; color: #94a3b8; }
.lia-footer-aws { height: 18px; width: auto; }
.lia-footer-meta { height: 18px; width: auto; }
.lia-footer-wa { height: 20px; width: auto; }
.lia-fdiv { width: 1px; height: 14px; background: rgba(0,0,0,0.1); }

/* ── Scroll reveal ── */
.lia-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--lia-ease), transform 0.7s var(--lia-ease);
}
.lia-reveal.lia-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .lia-timeline {
        grid-template-columns: repeat(3, 1fr);
        gap: 32px 16px;
    }
    .lia-timeline::before { display: none; }
    .lia-benefits { grid-template-columns: repeat(2, 1fr); }
    .lia-metrics { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 768px) {
    .lia-nav-back { display: none; }
    .lia-timeline { grid-template-columns: 1fr; gap: 24px; max-width: 360px; margin: 0 auto; }
    .lia-tl-step { display: flex; gap: 16px; text-align: left; padding: 0; }
    .lia-tl-num { margin: 0; width: 48px; height: 48px; font-size: 16px; flex-shrink: 0; }
    .lia-benefits { grid-template-columns: 1fr; }
    .lia-demo-stage { max-width: 100%; }
    .lia-phone-frame { border-radius: 20px; padding: 8px; }
    .chat-body { min-height: 320px; max-height: 440px; }
}

@media (max-width: 480px) {
    .lia-hero-ctas { flex-direction: column; align-items: stretch; }
    .lia-btn-hero-p, .lia-btn-hero-s { text-align: center; }
}
