/* =========================================================================
   AI Prompt Manager — landing page
   Sora + Inter typography · animated full-width hero · light/dark
   Refined indigo→violet→fuchsia brand system with real brand icons
   ========================================================================= */

:root {
  --b1: #4f46e5;   /* indigo  */
  --b2: #7c3aed;   /* violet  */
  --b3: #db2777;   /* fuchsia */
  --accent: #06b6d4;
  --gradient: linear-gradient(120deg, var(--b1), var(--b2) 48%, var(--b3));
  --hero-gradient: linear-gradient(120deg, #4338ca, #6d28d9 38%, #be185d 76%, #db2777);

  --radius: 22px;
  --radius-sm: 14px;
  --maxw: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Sora", var(--font);
}

html[data-theme="light"] {
  --bg: #f7f8fc;
  --bg-2: #eef1fb;
  --surface: #ffffff;
  --surface-2: #f2f4fd;
  --border: rgba(17, 24, 39, 0.10);
  --text: #0f1222;
  --text-2: #4b5366;
  --text-3: #8a90a6;
  --shadow: 0 22px 60px rgba(31, 23, 84, 0.14);
  --shadow-sm: 0 8px 24px rgba(31, 23, 84, 0.08);
  --header-bg: rgba(255, 255, 255, 0.78);
}
html[data-theme="dark"] {
  --bg: #080b18;
  --bg-2: #0c1026;
  --surface: #121731;
  --surface-2: #1a2042;
  --border: rgba(148, 163, 184, 0.16);
  --text: #eef1fb;
  --text-2: #aeb6cd;
  --text-3: #717a96;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.42);
  --header-bg: rgba(10, 13, 28, 0.72);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, h4, .brand-name { font-family: var(--display); letter-spacing: -0.025em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.container.narrow { max-width: 820px; }
.grad-word { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ----------------------------- buttons ----------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1.5px solid transparent; cursor: pointer; white-space: nowrap;
  font-family: var(--display);
  transition: transform .2s cubic-bezier(.22,1,.36,1), box-shadow .2s, background .2s, border-color .2s;
}
.btn-xl { padding: 16px 28px; font-size: 16.5px; }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 12px 28px rgba(109, 40, 217, 0.42); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(109, 40, 217, 0.52); }
.btn-light { background: #fff; color: #5b21b6; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22); }
.btn-light:hover { transform: translateY(-3px) scale(1.01); box-shadow: 0 22px 50px rgba(0,0,0,.28); }
.btn-glass { background: rgba(255,255,255,0.14); color: #fff; border-color: rgba(255,255,255,0.5); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(255,255,255,0.24); transform: translateY(-2px); }
.btn-outline-light { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-outline-light:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }

/* Chrome icon (real logo PNG) */
.ico-chrome {
  width: 1.4em; height: 1.4em; display: inline-block; flex-shrink: 0; vertical-align: -0.28em;
  background: url("google-chrome-icon.png") center / contain no-repeat;
}

/* ----------------------------- header ----------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 18px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; min-width: 0; }
.brand-logo { width: 38px; height: 38px; border-radius: 11px; box-shadow: var(--shadow-sm); flex-shrink: 0; }
.brand-name { font-size: 17px; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-tag { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-2); font-weight: 600; font-size: 15px; position: relative; transition: color .15s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; border-radius: 2px; background: var(--gradient); transition: width .25s; }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.theme-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2); font-size: 18px; cursor: pointer;
  display: grid; place-items: center; transition: transform .2s, color .2s, box-shadow .2s;
}
.theme-btn:hover { transform: rotate(-12deg) scale(1.05); color: var(--text); box-shadow: var(--shadow-sm); }
.header-cta { padding: 11px 18px; font-size: 14.5px; }
.nav-cta-mobile { display: none; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s; }

/* ----------------------------- hero (full width, animated) ----------------------------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding: 92px 0 130px; text-align: center; color: #fff;
  background: var(--hero-gradient);
  background-size: 220% 220%;
  animation: heroShift 16s ease infinite;
}
@keyframes heroShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; mix-blend-mode: screen; }
.orb.o1 { width: 380px; height: 380px; background: #a78bfa; top: -110px; left: -80px; animation: drift 20s ease-in-out infinite; }
.orb.o2 { width: 340px; height: 340px; background: #f472b6; bottom: -120px; right: -80px; animation: drift 24s ease-in-out infinite reverse; }
@keyframes drift { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(30px,24px) scale(1.06); } }

.hero-inner { position: relative; max-width: 900px; }
.eyebrow {
  display: inline-block; padding: 8px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 700;
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.3); color: #fff;
  backdrop-filter: blur(6px); animation: fadeUp .6s .05s both;
}
.hero h1 { font-size: clamp(38px, 6.4vw, 70px); line-height: 1.04; margin: 22px 0 18px; font-weight: 800; animation: fadeUp .7s .1s both; }
.hero h1 .grad-word {
  background: linear-gradient(110deg, #fde68a, #fbcfe8 45%, #c7d2fe 70%, #fde68a);
  background-size: 220% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer { to { background-position: 220% center; } }
.lead { font-size: clamp(16px, 2.2vw, 20px); color: rgba(255,255,255,.92); max-width: 640px; margin: 0 auto; animation: fadeUp .7s .18s both; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; margin: 32px 0 20px; animation: fadeUp .7s .26s both; }
.hero-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; padding: 0; margin: 6px 0 0; font-weight: 600; font-size: 14.5px; color: rgba(255,255,255,.92); animation: fadeUp .7s .34s both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

/* AI brand logo wall (own clean section, on the page background) */
.logos-section { padding: 36px 0 8px; text-align: center; }
.logos-label { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); font-weight: 700; margin-bottom: 24px; }
.ai-tiles { display: flex; flex-wrap: wrap; gap: 18px 24px; justify-content: center; }
.ai-tile { display: flex; flex-direction: column; align-items: center; gap: 10px; transition: transform .2s; }
.ai-tile:hover { transform: translateY(-5px); }
.ai-ic {
  width: 58px; height: 58px; border-radius: 17px; background: #fff; border: 1px solid var(--border); color: var(--ac);
  display: grid; place-items: center; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: box-shadow .2s, border-color .2s, transform .2s;
}
.ai-tile:hover .ai-ic { box-shadow: var(--shadow); border-color: transparent; transform: translateY(-1px); }
.ai-ic img { width: 64%; height: 64%; object-fit: contain; display: block; }
.ai-ic svg { width: 58%; height: 58%; }
.ai-tile small { color: var(--text-2); font-weight: 600; font-size: 13px; }

.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; }
.hero-wave svg { width: 100%; height: 80px; display: block; fill: var(--bg); }

/* ----------------------------- stats band ----------------------------- */
.stats-band { padding: 36px 0 8px; margin-top: -40px; position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 18px; box-shadow: var(--shadow); }
.stats-grid b { display: block; font-family: var(--display); font-size: 32px; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats-grid span { font-size: 13px; color: var(--text-2); }
.stats-grid > div + div { border-left: 1px solid var(--border); }

/* ----------------------------- sections ----------------------------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-2); }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.kicker { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-head h2 { font-size: clamp(28px, 4.4vw, 44px); margin: 12px 0 12px; font-weight: 800; }
.section-head p { color: var(--text-2); font-size: 17px; margin: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); transition: transform .22s, box-shadow .22s; position: relative; overflow: hidden; }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-card.highlight { border-color: transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, var(--gradient) border-box; border: 1.5px solid transparent; }
.feature-card.highlight::after { content: ""; position: absolute; top: -50px; right: -50px; width: 130px; height: 130px; border-radius: 50%; background: var(--gradient); opacity: .12; }
.fi { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; font-size: 27px; background: var(--surface-2); margin-bottom: 15px; }
.feature-card.highlight .fi { background: var(--gradient); }
.feature-card h3 { margin: 0 0 8px; font-size: 18.5px; }
.feature-card p { margin: 0; color: var(--text-2); font-size: 14.5px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 22px; box-shadow: var(--shadow-sm); text-align: center; }
.step-num { width: 54px; height: 54px; margin: 0 auto 15px; border-radius: 17px; background: var(--gradient); color: #fff; font-family: var(--display); font-weight: 800; font-size: 22px; display: grid; place-items: center; box-shadow: 0 10px 22px rgba(109,40,217,.4); }
.step h3 { margin: 0 0 8px; font-size: 18.5px; }
.step p { margin: 0; color: var(--text-2); font-size: 14.5px; }

/* CTA */
.cta { padding: 30px 0 80px; }
.cta-inner { background: var(--hero-gradient); background-size: 200% 200%; animation: heroShift 16s ease infinite; border-radius: 30px; padding: 64px 30px; text-align: center; color: #fff; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.cta-inner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 220px at 80% 0%, rgba(255,255,255,.22), transparent 60%); }
.cta-inner > * { position: relative; }
.cta-inner h2 { font-size: clamp(28px, 4.4vw, 44px); margin: 0 0 12px; font-weight: 800; }
.cta-inner p { font-size: 18px; opacity: .95; margin: 0 0 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta-note { display: block; margin-top: 20px; opacity: .82; font-size: 13.5px; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 22px; box-shadow: var(--shadow-sm); }
.faq summary { cursor: pointer; font-family: var(--display); font-weight: 700; font-size: 16.5px; padding: 17px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; color: var(--b2); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 17px; color: var(--text-2); }

/* ----------------------------- footer ----------------------------- */
.footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 66px 0 30px; }
.footer-center { text-align: center; max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.brand-lg .brand-logo { width: 46px; height: 46px; border-radius: 14px; }
.brand-lg .brand-name { font-size: 22px; }
.footer-desc { color: var(--text-3); font-size: 14.5px; max-width: 600px; margin: 18px 0 8px; line-height: 1.7; }
.footer-dev { color: var(--text-2); font-size: 15.5px; margin: 8px 0 22px; line-height: 1.7; }
.footer-pills { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 30px; }
.pill { display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 15px; transition: transform .2s, box-shadow .2s; }
.pill:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.pill-light { background: var(--surface); border: 1px solid var(--border); color: var(--text); }
.pill-linkedin { background: #0a66c2; color: #fff; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: center; padding-top: 26px; border-top: 1px solid var(--border); width: 100%; }
.footer-links a { color: var(--text-2); font-weight: 600; font-size: 14.5px; transition: color .15s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text-3); font-size: 13.5px; margin-top: 22px; }
.heart { filter: saturate(1.2); }

/* ----------------------------- privacy / sub-page ----------------------------- */
.page-hero { position: relative; overflow: hidden; padding: 70px 0 60px; text-align: center; color: #fff; background: var(--hero-gradient); background-size: 220% 220%; animation: heroShift 16s ease infinite; }
.page-hero .eyebrow { animation: fadeUp .6s both; }
.page-hero h1 { font-size: clamp(30px, 5vw, 48px); margin: 16px 0 8px; font-weight: 800; }
.page-hero p { color: rgba(255,255,255,.9); margin: 0; font-size: 16px; }
.policy { padding: 56px 0 80px; }
.policy-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 14px 34px; }
.policy-card h2 { font-size: 21px; margin: 30px 0 12px; }
.policy-card h2:first-child { margin-top: 16px; }
.policy-card p { color: var(--text-2); margin: 0 0 14px; }
.policy-card ul { color: var(--text-2); margin: 0 0 16px; padding-left: 22px; }
.policy-card li { margin-bottom: 8px; }
.policy-card a { color: var(--b2); font-weight: 600; }
.policy-card strong { color: var(--text); }
.policy-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; background: var(--surface-2); font-weight: 700; font-size: 14px; margin: 8px 0 6px; }
.policy-update { color: var(--text-3); font-size: 14px; margin-bottom: 8px; }
.back-link { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; color: var(--text-2); font-weight: 600; }
.back-link:hover { color: var(--text); }

/* WhatsApp float */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 200; width: 62px; height: 62px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 14px 32px rgba(37,211,102,.5); transition: transform .2s; animation: wapulse 2.4s infinite; }
.wa-float:hover { transform: scale(1.08); }
.wa-tip { position: absolute; right: 74px; white-space: nowrap; background: var(--surface); color: var(--text); border: 1px solid var(--border); padding: 8px 14px; border-radius: 11px; font-size: 13px; font-weight: 700; box-shadow: var(--shadow-sm); opacity: 0; transform: translateX(8px); pointer-events: none; transition: .2s; }
.wa-float:hover .wa-tip { opacity: 1; transform: translateX(0); }
@keyframes wapulse {
  0% { box-shadow: 0 14px 32px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,.45); }
  70% { box-shadow: 0 14px 32px rgba(37,211,102,.5), 0 0 0 17px rgba(37,211,102,0); }
  100% { box-shadow: 0 14px 32px rgba(37,211,102,.5), 0 0 0 0 rgba(37,211,102,0); }
}

/* ----------------------------- responsive ----------------------------- */
@media (max-width: 980px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; gap: 16px; position: absolute; top: 72px; left: 0; right: 0; background: var(--surface); padding: 20px 22px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .hamburger { display: flex; }
  .header-cta { display: none; }                 /* hide wide CTA from the top bar */
  .header-actions { gap: 8px; }
  .brand-name { font-size: 16px; }
  .brand-logo { width: 34px; height: 34px; }
  .theme-btn { width: 40px; height: 40px; }
  .nav-cta-mobile { display: inline-flex; width: 100%; justify-content: center; margin-top: 4px; } /* CTA inside the menu */
  .hero { padding: 70px 0 100px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .stats-grid > div + div { border-left: 0; }
  .stats-grid > div:nth-child(3), .stats-grid > div:nth-child(4) { border-top: 1px solid var(--border); padding-top: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .btn-xl { width: 100%; }
  .hero-cta { flex-direction: column; }
}
@media (max-width: 420px) {
  .ai-tiles { gap: 16px 18px; }
  .ai-ic { width: 50px; height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto; transition-duration: .01ms !important; }
}