/* ════════════════════════════════════════════════════════════════
   VIVEGA AI PRIVATE LIMITED — Multi-Page Shared CSS
   Dark + Light Theme with User Toggle
   Brand: Cyan #00C8FF · Blue #0060FF · Indigo #5B5BF0
   Fonts: Outfit · Sora · DM Sans
════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Sora:wght@300;400;500;600;700&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

/* ── DARK THEME TOKENS (default) ── */
:root {
  --cyan:   #00C8FF;
  --blue:   #0060FF;
  --indigo: #5B5BF0;

  --bg:       #060610;
  --bg-alt:   #080812;
  --bg-card:  #0C0C1A;
  --bg-input: #101020;
  --bg-chip:  #101020;

  --border:     #20203A;
  --border-md:  #2A2A48;
  --border-sub: #181830;

  --text-primary:   #E8E6F4;
  --text-secondary: #9896B4;
  --text-muted:     #706E8A;
  --text-faint:     #504E68;

  --header-bg:    rgba(6,6,16,0.90);
  --header-border:rgba(255,255,255,0.055);

  --footer-bg:    #060610;
  --footer-border:#20203A;

  --grad-brand:  linear-gradient(135deg, #00C8FF 0%, #0060FF 50%, #5B5BF0 100%);
  --grad-text:   linear-gradient(135deg, #E8E6F4 20%, #00C8FF 100%);
  --grad-stripe: linear-gradient(180deg, #00C8FF 0%, #0060FF 50%, #5B5BF0 100%);
  --shadow-glow: 0 0 30px rgba(0,200,255,0.12), 0 0 80px rgba(0,96,255,0.06);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.2);

  --font-display:'Outfit', system-ui, sans-serif;
  --font-ui:     'Sora', system-ui, sans-serif;
  --font-body:   'DM Sans', system-ui, sans-serif;
  --ease: cubic-bezier(0.22,1,0.36,1); --dur: 280ms;
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-xl:22px; --r-2xl:32px;
}

/* ── LIGHT THEME TOKENS ── */
[data-theme="light"] {
  --bg:       #F4F6FB;
  --bg-alt:   #EBEEF5;
  --bg-card:  #FFFFFF;
  --bg-input: #FFFFFF;
  --bg-chip:  #EEF1FA;

  --border:     #D6DBEA;
  --border-md:  #C2C8DC;
  --border-sub: #E2E6F2;

  --text-primary:   #0F0F2A;
  --text-secondary: #3A3860;
  --text-muted:     #6B6A90;
  --text-faint:     #9896B4;

  --header-bg:    rgba(244,246,251,0.92);
  --header-border:rgba(0,0,0,0.08);

  --footer-bg:    #0F0F2A;
  --footer-border:#1E1E3A;

  --grad-text:   linear-gradient(135deg, #0F0F2A 20%, #0060FF 100%);
  --shadow-glow: 0 0 30px rgba(0,96,255,0.10), 0 0 60px rgba(91,91,240,0.06);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.08);
}

/* ── RESET & BASE ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }
body {
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text-secondary);
  line-height:1.65;
  transition: background 0.3s ease, color 0.3s ease;
}
img, svg { display:block; max-width:100%; }
a { color:var(--cyan); text-decoration:none; transition:color var(--dur) var(--ease); }
a:hover { color:#38D4FF; }
ul { list-style:none; }
h1,h2,h3,h4,h5,h6 {
  font-family:var(--font-display); font-weight:700;
  line-height:1.15; letter-spacing:-0.025em;
  color:var(--text-primary);
}
h1 { font-size:clamp(2rem,5vw,3.5rem); font-weight:800; letter-spacing:-0.04em; }
h2 { font-size:clamp(1.75rem,3.5vw,2.6rem); }
h3 { font-size:1.5rem; } h4 { font-size:1.2rem; } h5 { font-size:1rem; font-weight:600; }
p { color:var(--text-secondary); line-height:1.7; }

/* ── LAYOUT ── */
.vai-wrap { width:100%; max-width:1160px; margin:0 auto; padding:0 24px; }
.vai-sec { padding:96px 0; }
.vai-sec-sm { padding:64px 0; }
.vai-g2 { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.vai-g3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.vai-g4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
@media (max-width:960px) { .vai-g3 { grid-template-columns:1fr 1fr; } .vai-g4 { grid-template-columns:1fr 1fr; } }
@media (max-width:680px) { .vai-g2, .vai-g3, .vai-g4 { grid-template-columns:1fr; } }

/* ── PAGE HERO ── */
.vai-page-hero {
  padding:72px 0 56px; text-align:center; position:relative; overflow:hidden;
  background:var(--bg); border-bottom:1px solid var(--border-sub);
}
.vai-page-hero::before {
  content:''; position:absolute; top:-200px; left:50%; transform:translateX(-50%);
  width:700px; height:700px; border-radius:50%;
  background:radial-gradient(circle, rgba(0,96,255,0.07) 0%, transparent 70%); pointer-events:none;
}
.vai-page-hero .vai-eyebrow { margin-bottom:12px; }
.vai-page-hero h1 { background:var(--grad-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; margin-bottom:16px; }
.vai-page-hero p { max-width:560px; margin:0 auto; font-size:1.07rem; color:var(--text-muted); }

/* ── BREADCRUMB ── */
.vai-breadcrumb { font-family:var(--font-ui); font-size:12px; color:var(--text-faint);
  display:flex; align-items:center; gap:8px; margin-bottom:20px; justify-content:center; }
.vai-breadcrumb a { color:var(--text-muted); }
.vai-breadcrumb a:hover { color:var(--cyan); }
.vai-breadcrumb-sep { color:var(--border-md); }
.vai-breadcrumb-current { color:var(--cyan); }

/* ── TYPOGRAPHY UTILITIES ── */
.vai-grad-text { background:var(--grad-text); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.vai-grad-brand { background:var(--grad-brand); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.vai-eyebrow { font-family:var(--font-ui); font-size:11px; font-weight:700; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--cyan); display:block; margin-bottom:12px; }
.vai-sec-header { text-align:center; margin-bottom:56px; }
.vai-sec-header h2 { margin-bottom:14px; }
.vai-sec-header p { max-width:520px; margin:0 auto; }

/* ── BADGES ── */
.vai-badge { display:inline-flex; align-items:center; gap:5px; font-family:var(--font-ui);
  font-size:10px; font-weight:600; letter-spacing:0.06em; padding:3px 10px;
  border-radius:99px; text-transform:uppercase; }
.vai-badge-cyan   { background:rgba(0,200,255,0.1); color:var(--cyan); border:1px solid rgba(0,200,255,0.22); }
.vai-badge-blue   { background:rgba(0,96,255,0.12); color:#3A85FF; border:1px solid rgba(0,96,255,0.22); }
.vai-badge-indigo { background:rgba(91,91,240,0.12); color:#7777F0; border:1px solid rgba(91,91,240,0.22); }
.vai-badge-green  { background:rgba(0,232,157,0.1); color:#00B87A; border:1px solid rgba(0,232,157,0.22); }

/* ── TAG ── */
.vai-tag { display:inline-flex; align-items:center; gap:5px; font-family:var(--font-ui); font-size:11px;
  color:var(--text-muted); background:var(--bg-chip); border:1px solid var(--border); border-radius:var(--r-sm); padding:4px 10px; }

/* ── CARDS ── */
.vai-card {
  background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-xl);
  padding:28px; transition:all var(--dur) var(--ease); position:relative;
}
.vai-card:hover { transform:translateY(-3px); box-shadow:var(--shadow-glow); border-color:rgba(0,200,255,0.25); }
.vai-card-glow::after { content:''; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:160px; height:1px; background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:0; transition:opacity 0.4s; }
.vai-card-glow:hover::after { opacity:1; }
.vai-card-stripe { padding-left:32px; }
.vai-card-stripe::before { content:''; position:absolute; top:0; bottom:0; left:0; width:3px;
  border-radius:3px 0 0 3px; background:var(--grad-stripe); }

/* ── BUTTONS ── */
.vai-btn { display:inline-flex; align-items:center; gap:7px; font-family:var(--font-ui); font-size:13px;
  font-weight:600; padding:10px 20px; border:none; border-radius:var(--r-md);
  cursor:pointer; transition:all var(--dur) var(--ease); white-space:nowrap; text-decoration:none; }
.vai-btn-primary { background:var(--grad-brand); color:#fff; box-shadow:0 2px 14px rgba(0,96,255,0.25); }
.vai-btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 28px rgba(0,96,255,0.4); color:#fff; }
.vai-btn-outline { background:transparent; color:var(--cyan); border:1.5px solid rgba(0,200,255,0.3); }
.vai-btn-outline:hover { background:rgba(0,200,255,0.07); border-color:var(--cyan); color:var(--cyan); }
.vai-btn-ghost { background:transparent; color:var(--text-secondary); border:1.5px solid var(--border); }
.vai-btn-ghost:hover { background:var(--bg-alt); color:var(--text-primary); border-color:var(--border-md); }
.vai-btn-lg { font-size:14.5px; padding:14px 28px; border-radius:var(--r-lg); }
.vai-btn-sm { font-size:12px; padding:7px 15px; }

/* ── THEME TOGGLE BUTTON ── */
.vai-theme-toggle {
  width:36px; height:36px; border-radius:var(--r-md);
  background:var(--bg-chip); border:1.5px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all var(--dur) var(--ease);
  flex-shrink:0; margin-left:4px;
}
.vai-theme-toggle:hover { background:var(--bg-alt); border-color:rgba(0,200,255,0.4); }
.vai-theme-toggle svg { width:16px; height:16px; transition:all 0.3s ease; }
.vai-theme-toggle .icon-moon { display:block; stroke:var(--text-secondary); fill:none; stroke-width:2; stroke-linecap:round; }
.vai-theme-toggle .icon-sun  { display:none;  stroke:var(--text-secondary); fill:none; stroke-width:2; stroke-linecap:round; }
[data-theme="light"] .vai-theme-toggle .icon-moon { display:none; }
[data-theme="light"] .vai-theme-toggle .icon-sun  { display:block; }

/* ── ICON CHIP ── */
.vai-icon-chip { width:52px; height:52px; border-radius:14px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; background:var(--grad-brand); }
.vai-icon-chip svg { width:24px; height:24px; stroke:#fff; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.vai-icon-chip-soft { background:rgba(0,200,255,0.1); border:1px solid rgba(0,200,255,0.2); }
.vai-icon-chip-soft svg { stroke:var(--cyan); }

/* ── FORM ── */
.vai-input { font-family:var(--font-body); font-size:15px; padding:11px 14px;
  border:1.5px solid var(--border); border-radius:var(--r-md); background:var(--bg-input);
  color:var(--text-primary); width:100%; outline:none; transition:border-color 180ms, box-shadow 180ms; }
.vai-input:focus { border-color:var(--cyan); box-shadow:0 0 0 3px rgba(0,200,255,0.1); }
.vai-input::placeholder { color:var(--text-faint); }
.vai-fg { display:flex; flex-direction:column; gap:6px; }
.vai-fg label { font-family:var(--font-ui); font-size:12.5px; font-weight:600; color:var(--text-secondary); }

/* ── DIVIDERS ── */
.vai-divider { border:none; height:1px; background:var(--border-sub); }
.vai-divider-glow { background:linear-gradient(90deg,transparent,rgba(0,200,255,0.25),transparent); height:1px; border:none; margin:0; }

/* ── ANIMATIONS ── */
@keyframes fadeUp { from { opacity:0; transform:translateY(22px); } to { opacity:1; transform:translateY(0); } }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.45; } }
.vai-reveal { opacity:0; transform:translateY(20px); transition:opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.vai-reveal.visible { opacity:1; transform:translateY(0); }
.vai-stagger > *:nth-child(1) { transition-delay:0.05s; }
.vai-stagger > *:nth-child(2) { transition-delay:0.12s; }
.vai-stagger > *:nth-child(3) { transition-delay:0.19s; }
.vai-stagger > *:nth-child(4) { transition-delay:0.26s; }
.vai-stagger > *:nth-child(5) { transition-delay:0.33s; }
.vai-stagger > *:nth-child(6) { transition-delay:0.40s; }

/* ── BG VARIANTS ── */
.vai-bg-alt { background:var(--bg-alt); }
.vai-bg-glow { position:relative; overflow:hidden; }
.vai-bg-glow::before { content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:900px; height:500px; background:radial-gradient(ellipse, rgba(0,200,255,0.03) 0%, transparent 65%); pointer-events:none; }

/* ── STATS STRIP ── */
.vai-stats-strip { display:grid; grid-template-columns:repeat(4,1fr);
  background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-xl); overflow:hidden; }
@media (max-width:680px) { .vai-stats-strip { grid-template-columns:1fr 1fr; } }
.vai-stat { padding:32px 24px; text-align:center; border-right:1px solid var(--border-sub); transition:background 0.3s; }
.vai-stat:last-child { border-right:none; }
.vai-stat:hover { background:rgba(0,200,255,0.03); }
.vai-stat-num { font-family:var(--font-display); font-size:2.4rem; font-weight:800;
  background:var(--grad-brand); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  line-height:1.05; letter-spacing:-0.03em; }
.vai-stat-lbl { font-family:var(--font-ui); font-size:11px; color:var(--text-muted); margin-top:5px; letter-spacing:0.05em; }

/* ── PROCESS STEP ── */
.vai-process-step { display:flex; align-items:flex-start; gap:24px; padding:26px 28px;
  background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-lg);
  position:relative; overflow:hidden; transition:all var(--dur) var(--ease); }
.vai-process-step:hover { border-color:rgba(0,200,255,0.2); box-shadow:var(--shadow-glow); }
.vai-process-step::before { content:''; position:absolute; top:0; left:0; bottom:0; width:3px; background:var(--grad-stripe); }
.vai-step-num { font-family:var(--font-display); font-size:2.2rem; font-weight:800;
  background:var(--grad-brand); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  line-height:1; min-width:52px; flex-shrink:0; }
.vai-step-icon { width:40px; height:40px; border-radius:10px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,200,255,0.08); border:1px solid rgba(0,200,255,0.15); }
.vai-step-icon svg { width:18px; height:18px; stroke:var(--cyan); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }

/* ── VALUE CARD ── */
.vai-value-card { display:flex; align-items:flex-start; gap:16px; padding:20px 22px;
  background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-lg); transition:all var(--dur) var(--ease); }
.vai-value-card:hover { border-color:rgba(0,200,255,0.18); transform:translateX(4px); }
.vai-value-icon { width:40px; height:40px; border-radius:10px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,200,255,0.08); border:1px solid rgba(0,200,255,0.15); }
.vai-value-icon svg { width:18px; height:18px; stroke:var(--cyan); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.vai-value-card h6 { font-size:14px; font-family:var(--font-display); font-weight:600; margin-bottom:3px; color:var(--text-primary); }
.vai-value-card p { font-size:13px; margin:0; }

/* ── TESTIMONIAL ── */
.vai-testi-card { background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-xl); padding:32px; position:relative; overflow:hidden; }
.vai-testi-card::before { content:'\201C'; position:absolute; top:-14px; left:20px; font-family:var(--font-display); font-size:120px; font-weight:800; color:rgba(0,200,255,0.06); line-height:1; pointer-events:none; }
.vai-testi-stars { display:flex; gap:3px; margin-bottom:14px; }
.vai-testi-stars svg { width:14px; height:14px; fill:#FFD166; stroke:none; }
.vai-testi-card p { font-size:14px; color:var(--text-secondary); position:relative; z-index:1; line-height:1.7; }
.vai-testi-author { display:flex; align-items:center; gap:12px; margin-top:20px; }
.vai-testi-avatar { width:42px; height:42px; border-radius:50%; background:var(--grad-brand);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-size:15px; font-weight:700; color:#fff; flex-shrink:0; }
.vai-testi-name { font-family:var(--font-ui); font-size:13.5px; font-weight:600; color:var(--text-primary); }
.vai-testi-role { font-size:12px; color:var(--text-muted); }

/* ── CONTACT ── */
.vai-contact-icon-wrap { width:42px; height:42px; border-radius:11px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,200,255,0.08); border:1px solid rgba(0,200,255,0.18); }
.vai-contact-icon-wrap svg { width:18px; height:18px; stroke:var(--cyan); fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }

/* ── CTA BANNER ── */
.vai-cta-inner { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-2xl);
  padding:64px 48px; text-align:center; position:relative; overflow:hidden; }
.vai-cta-inner::before { content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan) 50%,transparent); }
.vai-cta-inner::after { content:''; position:absolute; top:-60px; left:50%; transform:translateX(-50%);
  width:500px; height:300px; background:radial-gradient(ellipse,rgba(0,96,255,0.08) 0%,transparent 70%); pointer-events:none; }
@media (max-width:600px) { .vai-cta-inner { padding:44px 28px; } }

/* ── TECH GRID ── */
.vai-tech-grid { display:grid; grid-template-columns:repeat(6,1fr); gap:12px; }
@media (max-width:820px) { .vai-tech-grid { grid-template-columns:repeat(3,1fr); } }
@media (max-width:500px) { .vai-tech-grid { grid-template-columns:repeat(2,1fr); } }
.vai-tech-item { background:var(--bg-card); border:1px solid var(--border-sub); border-radius:var(--r-lg);
  padding:18px 12px; text-align:center; transition:all var(--dur) var(--ease); cursor:default; }
.vai-tech-item:hover { border-color:rgba(0,200,255,0.25); transform:translateY(-2px); }
.vai-tech-item svg { width:28px; height:28px; margin:0 auto 8px; stroke:var(--text-secondary); fill:none; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.vai-tech-item:hover svg { stroke:var(--cyan); }
.vai-tech-name { font-family:var(--font-ui); font-size:10px; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-muted); }

/* ── LOGO ── */
.vai-logo { display:inline-flex; align-items:center; gap:11px; text-decoration:none; flex-shrink:0; }
.vai-logo-mark { width:34px; height:34px; flex-shrink:0; }
.vai-logo-text { display:flex; flex-direction:column; line-height:1.15; }
.vai-logo-name { font-family:var(--font-display); font-size:15px; font-weight:700; color:var(--text-primary); letter-spacing:0.04em; }
.vai-logo-name em { font-style:normal; color:var(--cyan); }
.vai-logo-sub { font-family:var(--font-ui); font-size:6.5px; letter-spacing:0.18em; text-transform:uppercase; color:var(--text-muted); margin-top:2px; }

/* ── SHARED HEADER ── */
.vai-header {
  position:sticky; top:0; z-index:200;
  display:flex; align-items:center; justify-content:space-between;
  height:66px; padding:0 32px;
  background:var(--header-bg);
  backdrop-filter:blur(20px) saturate(200%);
  border-bottom:1px solid var(--header-border);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.vai-nav-links { display:flex; align-items:center; gap:4px; }
.vai-nav-links a { font-family:var(--font-ui); font-size:13px; font-weight:500; color:var(--text-muted);
  padding:7px 14px; border-radius:var(--r-md); transition:all var(--dur) var(--ease); }
.vai-nav-links a:hover, .vai-nav-links a.active { color:var(--text-primary); background:rgba(0,0,0,0.04); }
[data-theme="light"] .vai-nav-links a:hover,
[data-theme="light"] .vai-nav-links a.active { background:rgba(0,0,0,0.05); }
.vai-nav-links a.active { color:var(--cyan); }
.vai-nav-actions { display:flex; gap:8px; align-items:center; }
.vai-hamburger { display:none; background:none; border:none; cursor:pointer; padding:6px; }
.vai-hamburger line { stroke:var(--text-primary); }

@media (max-width:820px) {
  .vai-nav-links { display:none; flex-direction:column; align-items:flex-start; position:absolute; top:66px; left:0; right:0; background:var(--bg-card); border-bottom:1px solid var(--border-sub); padding:16px 24px; gap:4px; }
  .vai-nav-links.open { display:flex; }
  .vai-hamburger { display:block; }
  .vai-nav-actions .vai-btn-ghost { display:none; }
}

/* ── SHARED FOOTER ── */
.vai-footer { padding:64px 0 32px; border-top:1px solid var(--footer-border); background:var(--footer-bg); }
.vai-footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
@media (max-width:820px) { .vai-footer-grid { grid-template-columns:1fr 1fr; gap:32px; } }
@media (max-width:500px) { .vai-footer-grid { grid-template-columns:1fr; } }
.vai-footer-col h5 { font-family:var(--font-ui); font-size:11px; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:#E8E6F4; margin-bottom:16px; }
.vai-footer-links { display:flex; flex-direction:column; gap:9px; }
.vai-footer-links a { font-size:13.5px; color:#706E8A; transition:color var(--dur); }
.vai-footer-links a:hover { color:var(--cyan); }
.vai-footer-socials { display:flex; gap:8px; margin-top:18px; }
.vai-social-btn { width:34px; height:34px; border-radius:var(--r-md); background:#101020;
  border:1px solid #20203A; display:flex; align-items:center; justify-content:center; transition:all var(--dur); }
.vai-social-btn:hover { background:#181830; border-color:rgba(0,200,255,0.3); }
.vai-social-btn svg { width:15px; height:15px; stroke:#706E8A; fill:none; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.vai-social-btn:hover svg { stroke:var(--cyan); }
.vai-footer-bottom { padding-top:24px; border-top:1px solid #20203A;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px; }
.vai-footer-copy { font-size:12px; color:#504E68; }

/* ── LIGHT THEME: hero dark sections stay dark ── */
[data-theme="light"] section[style*="background:var(--d900)"],
[data-theme="light"] section[style*="background:var(--d800)"] {
  background: var(--bg) !important;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg-alt); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--blue); }
::selection { background:rgba(0,200,255,0.2); color:var(--text-primary); }

/* ── SMOOTH THEME TRANSITION ── */
body, .vai-header, .vai-card, .vai-input, .vai-btn-ghost,
.vai-stats-strip, .vai-stat, .vai-process-step, .vai-value-card,
.vai-testi-card, .vai-tech-item, .vai-cta-inner, .vai-footer,
.vai-nav-links, .vai-tag, .vai-social-btn, .vai-theme-toggle {
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}