/* ClueVixAI — shared premium design system */
:root {
  --bg:#f5f7fc; --bg2:#ffffff; --card:#ffffff; --card-border:#e3e7f3; --surface-bright:#eef2fb;
  --primary:#2563eb; --primary-dark:#1d4ed8; --accent:#7c3aed; --pink:#ec4899;
  --text:#0f1330; --text-muted:#566079; --green:#16a34a; --danger:#dc2626;
  --ink:#080c20; --ink-2:#0f1533; --ink-line:rgba(255,255,255,.09); --ink-text:#eef0ff; --ink-muted:#a6aed0;
  --footer-bg:var(--ink); --footer-text:#a6aed0;
  --grad:linear-gradient(100deg,#2563eb 0%,#6d4df0 55%,#7c3aed 100%);
  --radius-sm:10px; --radius:16px; --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(15,19,48,.05), 0 4px 12px rgba(15,19,48,.04);
  --shadow-md:0 2px 4px rgba(15,19,48,.04), 0 16px 34px rgba(30,36,110,.09);
  --shadow-lg:0 4px 10px rgba(15,19,48,.05), 0 34px 70px rgba(37,41,140,.18);
  --glow:0 12px 32px rgba(94,74,240,.38);
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-head:'Plus Jakarta Sans','Inter',system-ui,sans-serif;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; font-family:var(--font-body); color:var(--text); min-height:100vh; line-height:1.5;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  background-color:var(--bg);
  background-image:
    radial-gradient(1000px 560px at 10% -10%, rgba(37,99,235,.09), transparent 60%),
    radial-gradient(900px 520px at 92% 2%, rgba(124,58,237,.08), transparent 58%);
  background-attachment:fixed; background-repeat:no-repeat;
}
a { color:var(--primary); text-decoration:none; }
a:hover { color:var(--accent); }
::selection { background:rgba(124,58,237,.22); }
.container { max-width:1180px; margin:0 auto; padding:0 28px; }
.page-body { padding-top:48px; padding-bottom:72px; }
.flash-wrap { padding-top:20px; }
h1, h2, h3 { font-family:var(--font-head); color:var(--text); }
h1 { font-size:clamp(30px,4vw,44px); line-height:1.12; letter-spacing:-1.2px; margin:0 0 12px; font-weight:800; }
h2 { font-size:20px; margin:32px 0 12px; letter-spacing:-.3px; font-weight:700; }
h3 { letter-spacing:-.2px; font-weight:700; }
p { color:var(--text-muted); line-height:1.7; margin:0 0 14px; }
ul, ol { margin:0 0 14px 22px; color:var(--text-muted); line-height:1.7; }
li { margin-bottom:6px; }
code { font-family:'JetBrains Mono',ui-monospace,Consolas,monospace; font-size:.88em; background:var(--surface-bright); border:1px solid var(--card-border); padding:2px 7px; border-radius:6px; color:var(--text); }
.icon { flex-shrink:0; vertical-align:middle; }

/* top announcement bar */
.topbar { background:var(--ink); color:#dfe3ff; font-size:12px; font-weight:500; letter-spacing:.2px; text-align:center; padding:8px 16px; border-bottom:1px solid var(--ink-line); }
.topbar .container { display:flex; align-items:center; justify-content:center; gap:10px; flex-wrap:wrap; }
.topbar .dot { width:7px; height:7px; border-radius:50%; background:#34d399; box-shadow:0 0 0 4px rgba(52,211,153,.18); }
.topbar .sep { opacity:.35; }
.topbar .stars { color:#fbbf24; letter-spacing:1px; }

/* navigation */
nav { position:sticky; top:0; z-index:100; display:flex; align-items:center; justify-content:space-between; padding:14px 28px; border-bottom:1px solid rgba(15,19,48,.06); background:rgba(255,255,255,.78); backdrop-filter:saturate(180%) blur(18px); -webkit-backdrop-filter:saturate(180%) blur(18px); transition:padding .25s ease, box-shadow .25s ease, background-color .25s ease; }
nav.is-scrolled { padding:10px 28px; background:rgba(255,255,255,.94); box-shadow:0 8px 30px rgba(15,19,48,.07); }
nav .logo { display:flex; align-items:center; gap:10px; font-family:var(--font-head); font-weight:800; font-size:21px; letter-spacing:-.6px; color:var(--text); }
nav .logo img { height:42px; width:auto; display:block; }
nav .logo .logo-mark { align-items:center; justify-content:center; width:30px; height:30px; border-radius:9px; background:var(--grad); color:#fff; font-size:13px; font-weight:700; }
nav .links { display:flex; gap:6px; align-items:center; font-size:14px; font-weight:500; color:var(--text-muted); }
nav .links > a:not(.btn), nav .nav-dropdown summary { padding:8px 12px; border-radius:9px; color:var(--text-muted); transition:color .2s ease, background-color .2s ease; }
nav .links > a:not(.btn):hover, nav .nav-dropdown summary:hover { color:var(--text); background:rgba(37,99,235,.07); }
nav .links > a.is-active { color:var(--primary); background:rgba(37,99,235,.09); }
nav .links .btn { margin-left:8px; }
nav .nav-dropdown { position:relative; }
nav .nav-dropdown summary { cursor:pointer; list-style:none; }
nav .nav-dropdown summary::-webkit-details-marker { display:none; }
nav .nav-dropdown summary::after { content:''; display:inline-block; width:6px; height:6px; margin:0 0 3px 8px; border-right:1.6px solid currentColor; border-bottom:1.6px solid currentColor; transform:rotate(45deg); }
nav .nav-dropdown .dropdown-menu { position:absolute; top:calc(100% + 12px); left:50%; transform:translateX(-50%); min-width:190px; background:var(--card); border:1px solid var(--card-border); border-radius:14px; box-shadow:var(--shadow-lg); padding:8px; z-index:10; }
nav .nav-dropdown .dropdown-menu a { display:block; padding:9px 12px; border-radius:8px; font-size:13.5px; color:var(--text); }
nav .nav-dropdown .dropdown-menu a:hover { background:var(--surface-bright); color:var(--primary); }
nav .nav-toggle { display:none; width:40px; height:40px; border-radius:10px; border:1px solid var(--card-border); background:#fff; cursor:pointer; position:relative; }
nav .nav-toggle span, nav .nav-toggle::before, nav .nav-toggle::after { content:''; position:absolute; left:10px; right:10px; height:2px; background:var(--text); border-radius:2px; transition:transform .25s ease, opacity .25s ease; }
nav .nav-toggle::before { top:13px; } nav .nav-toggle span { top:19px; } nav .nav-toggle::after { top:25px; }
nav .nav-toggle.is-open::before { transform:translateY(6px) rotate(45deg); }
nav .nav-toggle.is-open::after { transform:translateY(-6px) rotate(-45deg); }
nav .nav-toggle.is-open span { opacity:0; }

/* buttons */
.btn { position:relative; display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:12px 22px; border-radius:11px; font-family:var(--font-body); font-weight:600; font-size:14px; line-height:1.2; cursor:pointer; border:1px solid transparent; transition:transform .2s ease, box-shadow .25s ease, background-color .2s ease, border-color .2s ease, color .2s ease; }
.btn:hover { transform:translateY(-2px); }
.btn:active { transform:translateY(0); }
.btn:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible, button:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.btn[disabled] { opacity:.6; cursor:not-allowed; transform:none; }
.btn-primary { background:var(--grad); background-size:140% 100%; background-position:0 0; color:#fff; box-shadow:var(--glow), inset 0 1px 0 rgba(255,255,255,.22); }
.btn-primary:hover { color:#fff; background-position:100% 0; box-shadow:0 16px 38px rgba(94,74,240,.48), inset 0 1px 0 rgba(255,255,255,.22); }
.btn-outline { background:#fff; color:var(--text); border-color:var(--card-border); box-shadow:var(--shadow-sm); }
.btn-outline:hover { color:var(--primary); border-color:rgba(37,99,235,.45); box-shadow:var(--shadow-md); }
.btn-dark { background:var(--surface-bright); color:var(--text); border-color:var(--card-border); }
.btn-dark:hover { color:var(--primary); }
.btn-light { background:#fff; color:var(--ink); box-shadow:0 12px 30px rgba(0,0,0,.28); }
.btn-light:hover { color:var(--primary); }
.btn-ghost-light { background:rgba(255,255,255,.06); color:#fff; border-color:rgba(255,255,255,.22); backdrop-filter:blur(8px); }
.btn-ghost-light:hover { color:#fff; background:rgba(255,255,255,.13); border-color:rgba(255,255,255,.4); }
.btn-lg { padding:15px 28px; font-size:15px; border-radius:13px; }
.btn-sm { padding:9px 16px; font-size:13px; border-radius:9px; }

/* cards, forms, tables */
.card { background:var(--card); border:1px solid var(--card-border); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm); transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.card:hover { transform:translateY(-3px); border-color:rgba(79,70,229,.3); box-shadow:var(--shadow-md); }
label { display:block; font-size:13px; font-weight:600; color:var(--text); margin:0 0 6px; }
input, select, textarea { width:100%; padding:12px 14px; border-radius:11px; border:1px solid var(--card-border); background:#fff; color:var(--text); font-family:var(--font-body); font-size:14px; transition:border-color .2s ease, box-shadow .2s ease; }
input::placeholder { color:#8b93ab; }
input:focus, select:focus, textarea:focus { border-color:var(--primary); box-shadow:0 0 0 4px rgba(37,99,235,.13); outline:none; }
.error { color:var(--danger); font-size:13px; }
.table-wrap, table { border-radius:12px; }
table { width:100%; border-collapse:separate; border-spacing:0; font-size:13.5px; background:#fff; border:1px solid var(--card-border); overflow:hidden; box-shadow:var(--shadow-sm); }
th { text-align:left; padding:12px 14px; background:var(--surface-bright); color:var(--text-muted); font-size:11.5px; font-weight:700; letter-spacing:.6px; text-transform:uppercase; border-bottom:1px solid var(--card-border); }
td { text-align:left; padding:12px 14px; border-bottom:1px solid var(--card-border); color:var(--text); }
tr:last-child td { border-bottom:none; }
tbody tr:hover td, table tr:hover td { background:rgba(37,99,235,.025); }
.badge { display:inline-flex; align-items:center; gap:5px; padding:4px 11px; border-radius:999px; font-size:11px; font-weight:700; letter-spacing:.2px; background:rgba(220,38,38,.08); color:var(--danger); border:1px solid rgba(220,38,38,.18); }
.badge-off { background:rgba(22,163,74,.09); color:var(--green); border:1px solid rgba(22,163,74,.22); }
.pricing-badge { background:rgba(124,58,237,.09); color:var(--accent); border-color:rgba(124,58,237,.22); }
.flash { padding:14px 18px; margin-bottom:10px; border-radius:12px; background:#fff; border:1px solid var(--card-border); box-shadow:var(--shadow-sm); font-size:14px; color:var(--text); }
.flash.flash-success { border-color:rgba(22,163,74,.4); background:rgba(22,163,74,.05); }

/* section primitives (shared by home / how-to-use) */
.section { padding:96px 0; }
.section-head { text-align:center; max-width:660px; margin:0 auto 52px; }
.section-head h2 { font-size:clamp(28px,3.4vw,42px); line-height:1.12; letter-spacing:-1.2px; margin:16px 0 14px; font-weight:800; }
.section-head p { font-size:16px; line-height:1.65; margin:0; }
.eyebrow { display:inline-flex; align-items:center; gap:10px; color:var(--accent); font-size:12px; font-weight:700; letter-spacing:1.6px; text-transform:uppercase; }
.eyebrow i { width:24px; height:2px; border-radius:2px; background:var(--grad); }
.gradient-text { background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.icon-tile { width:46px; height:46px; border-radius:13px; display:inline-flex; align-items:center; justify-content:center; color:#fff; background:var(--grad); box-shadow:0 10px 22px rgba(94,74,240,.3), inset 0 1px 0 rgba(255,255,255,.3); }
.icon-tile.soft { color:var(--primary); background:linear-gradient(135deg,rgba(37,99,235,.1),rgba(124,58,237,.12)); box-shadow:none; border:1px solid rgba(79,70,229,.14); }

/* dark bands */
.band-dark { position:relative; overflow:hidden; background:var(--ink); color:var(--ink-text); isolation:isolate; }
.band-dark::before { content:''; position:absolute; inset:0; z-index:-1; background:
  radial-gradient(760px 420px at 12% 0%, rgba(37,99,235,.38), transparent 62%),
  radial-gradient(700px 440px at 92% 18%, rgba(124,58,237,.34), transparent 60%),
  radial-gradient(600px 380px at 60% 110%, rgba(236,72,153,.16), transparent 62%); }
.band-dark::after { content:''; position:absolute; inset:0; z-index:-1; opacity:.5; background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size:26px 26px; -webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 40%, #000, transparent 75%); mask-image:radial-gradient(ellipse 70% 70% at 50% 40%, #000, transparent 75%); }
.band-dark h1, .band-dark h2, .band-dark h3 { color:#fff; }
.band-dark p { color:var(--ink-muted); }
.band-dark .eyebrow { color:#b9a8ff; }
.band-dark .eyebrow i { background:linear-gradient(90deg,#60a5fa,#a78bfa); }
.band-dark .gradient-text { background:linear-gradient(100deg,#60a5fa 0%,#a78bfa 55%,#f0abfc 100%); -webkit-background-clip:text; background-clip:text; }

/* faq */
.faq-list { max-width:800px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item { border:1px solid var(--card-border); border-radius:14px; background:var(--card); padding:2px 22px; box-shadow:var(--shadow-sm); transition:border-color .2s ease, box-shadow .2s ease; }
.faq-item[open] { border-color:rgba(79,70,229,.32); box-shadow:var(--shadow-md); }
.faq-item summary { cursor:pointer; list-style:none; padding:18px 0; font-weight:600; font-size:15px; color:var(--text); display:flex; justify-content:space-between; align-items:center; gap:12px; }
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after { content:'+'; width:26px; height:26px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-size:18px; line-height:1; color:var(--accent); background:rgba(124,58,237,.09); transition:transform .25s ease; flex-shrink:0; }
.faq-item[open] summary::after { transform:rotate(45deg); }
.faq-item p { padding-bottom:18px; margin:0; font-size:14px; color:var(--text-muted); line-height:1.7; }

/* keycaps */
.keys { display:inline-flex; align-items:center; gap:5px; flex-wrap:wrap; }
.keycap { display:inline-flex; align-items:center; justify-content:center; min-width:34px; padding:6px 10px; border-radius:8px; font-family:'JetBrains Mono',ui-monospace,Consolas,monospace; font-size:12px; font-weight:600; color:var(--text); background:linear-gradient(#fff,#f1f4fb); border:1px solid #d5dbec; border-bottom-width:3px; box-shadow:0 2px 0 rgba(15,19,48,.05); }
.keys .plus { color:var(--text-muted); font-size:12px; }
.band-dark .keycap { color:#fff; background:linear-gradient(#262d58,#1a2045); border-color:#3a4378; }

/* CTA band */
.cta-band { position:relative; overflow:hidden; text-align:center; border-radius:var(--radius-lg); padding:68px 32px; color:#fff; background:var(--ink); isolation:isolate; box-shadow:var(--shadow-lg); }
.cta-band::before { content:''; position:absolute; inset:0; z-index:-1; background:
  radial-gradient(520px 300px at 15% 0%, rgba(37,99,235,.55), transparent 62%),
  radial-gradient(520px 320px at 90% 100%, rgba(124,58,237,.55), transparent 62%); }
.cta-band h2 { font-size:clamp(28px,3.4vw,40px); letter-spacing:-1.2px; margin:0 0 14px; color:#fff; font-weight:800; }
.cta-band p { color:var(--ink-muted); margin:0 0 28px; font-size:16px; }
.cta-band .hero-actions { justify-content:center; }

/* auth pages */
.auth-wrap { max-width:440px; margin:24px auto 0; }
.auth-card { padding:34px 32px; border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); position:relative; }
.auth-card:hover { transform:none; border-color:var(--card-border); box-shadow:var(--shadow-lg); }
.auth-card::before { content:''; position:absolute; left:32px; right:32px; top:-1px; height:3px; border-radius:0 0 4px 4px; background:var(--grad); }
.auth-card h2 { margin:0 0 6px; font-size:26px; letter-spacing:-.8px; font-weight:800; }
.auth-card .auth-sub { margin:0 0 22px; font-size:14px; }
.auth-card form label { margin-top:2px; }
.auth-card .btn { width:100%; }
.auth-divider { display:flex; align-items:center; gap:12px; margin:20px 0; color:var(--text-muted); font-size:12px; }
.auth-divider::before, .auth-divider::after { content:''; flex:1; height:1px; background:var(--card-border); }
.btn-google { width:100%; background:#fff; color:var(--text); border-color:var(--card-border); box-shadow:var(--shadow-sm); }
.btn-google:hover { color:var(--text); border-color:#c9d1e6; box-shadow:var(--shadow-md); }
.auth-foot { margin:20px 0 0; font-size:13.5px; text-align:center; }
.otp-input { text-align:center; font-family:'JetBrains Mono',ui-monospace,Consolas,monospace; font-size:24px; font-weight:600; letter-spacing:.45em; padding:14px; }

/* footer */
footer { position:relative; background:var(--footer-bg); color:var(--footer-text); padding:64px 0 28px; margin-top:0; overflow:hidden; }
footer::before { content:''; position:absolute; top:0; left:0; right:0; height:1px; background:linear-gradient(90deg,transparent,rgba(96,165,250,.8),rgba(167,139,250,.8),transparent); }
footer::after { content:''; position:absolute; width:560px; height:560px; right:-200px; top:-300px; background:radial-gradient(circle, rgba(124,58,237,.22), transparent 65%); pointer-events:none; }
footer .footer-grid { position:relative; z-index:1; display:grid; grid-template-columns:1.6fr 1fr 1fr 1.3fr; gap:40px; }
footer .footer-brand { display:flex; align-items:center; gap:10px; font-family:var(--font-head); font-weight:800; font-size:20px; color:#fff; margin-bottom:14px; }
footer .footer-brand img { height:36px; width:auto; }
footer .footer-about { font-size:13.5px; line-height:1.7; color:var(--footer-text); max-width:330px; margin:0; }
footer h4 { font-family:var(--font-head); color:#fff; font-size:13px; letter-spacing:.8px; text-transform:uppercase; margin:0 0 16px; }
footer ul { list-style:none; margin:0; padding:0; }
footer li { margin-bottom:10px; }
footer a { color:var(--footer-text); font-size:13.5px; transition:color .2s ease; }
footer a:hover { color:#fff; }
footer .footer-contact { font-size:13.5px; line-height:1.75; }
footer .footer-contact div { margin-bottom:8px; }
footer .whatsapp-link { display:inline-flex; align-items:center; gap:6px; margin-top:6px; padding:8px 14px; border-radius:999px; background:rgba(37,211,102,.1); border:1px solid rgba(37,211,102,.28); color:#7dedaa; font-weight:600; }
footer .whatsapp-link:hover { color:#fff; background:rgba(37,211,102,.2); }
footer .whatsapp-icon { color:#25D366; flex-shrink:0; }
footer .footer-bottom { position:relative; z-index:1; margin-top:44px; padding-top:22px; border-top:1px solid var(--ink-line); display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:12.5px; }

/* scroll reveal (site.js) */
.reveal { opacity:0; transform:translateY(26px) scale(.985); transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity:1; transform:none; }
.reveal-delay-1.is-visible { transition-delay:.08s; } .reveal-delay-2.is-visible { transition-delay:.16s; } .reveal-delay-3.is-visible { transition-delay:.24s; }
@media (prefers-reduced-motion:reduce) { .reveal { opacity:1; transform:none; transition:none; } html { scroll-behavior:auto; } .btn, .card { transition:none; } }

@media (max-width:900px) {
  footer .footer-grid { grid-template-columns:1fr 1fr; }
  .section { padding:72px 0; }
}
@media (max-width:640px) {
  .container { padding:0 20px; }
  nav { padding:12px 20px; }
  nav .nav-toggle { display:block; }
  nav .links { position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; background:rgba(255,255,255,.98); backdrop-filter:blur(16px); padding:12px 20px 22px; max-height:80vh; overflow-y:auto; box-shadow:0 20px 40px rgba(15,19,48,.14); transform:translateY(-14px); opacity:0; pointer-events:none; transition:opacity .22s ease, transform .22s ease; }
  nav .links.is-open { transform:translateY(0); opacity:1; pointer-events:auto; }
  nav .links > a:not(.btn), nav .nav-dropdown summary { padding:14px 4px; border-radius:0; border-bottom:1px solid var(--card-border); font-size:16px; }
  nav .links .btn { margin:14px 0 0; }
  nav .nav-dropdown { width:100%; }
  nav .nav-dropdown .dropdown-menu { position:static; box-shadow:none; border:none; padding:0 0 10px 12px; transform:none; }
  .auth-card { padding:28px 22px; }
  footer .footer-grid { grid-template-columns:1fr; gap:30px; }
  .section { padding:60px 0; }
  .cta-band { padding:48px 22px; }
}