/* ==========================================================================
   audioMCP.ai  |  homepage styles + animations  (v2, new brand)
   Deep-navy + purple/blue, flowing wave graphic, cleaner and airier.
   Loaded only on the homepage, on top of styles.css.
   ========================================================================== */

/* ---- Scroll reveal ------------------------------------------------------- */
.reveal { opacity: 1; transform: none; }
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1);
  will-change: opacity, transform;
}
html.js .reveal.in { opacity: 1; transform: none; }
html.js .steps .step,
html.js .cards .use-card,
html.js .pricing .price-card,
html.js .stats .stat,
html.js .pills li { transition-delay: calc(var(--i, 0) * 70ms); }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---- Flowing wave graphic (canvas) -------------------------------------- */
.wave-canvas {
  display: block; width: 100%; height: 100%;
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}

/* ---- Section rhythm (airier) -------------------------------------------- */
.section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head h2 { font-size: clamp(2rem, 4.6vw, 3rem); letter-spacing: -0.02em; }
.section-sub { font-size: 1.06rem; margin-top: 0.7rem; }

/* ---- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.4rem, 8vw, 6.5rem) 0 clamp(4rem, 9vw, 7rem);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.hero-wave { opacity: 0.9; mask-image: radial-gradient(120% 90% at 50% 45%, #000 55%, transparent 90%); -webkit-mask-image: radial-gradient(120% 90% at 50% 45%, #000 55%, transparent 90%); }
.hero-floor {
  position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  background-image:
    linear-gradient(rgba(140,150,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,150,255,0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to top, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, #000, transparent 85%);
}
.hero-glow {
  position: absolute; z-index: 0; pointer-events: none;
  width: 620px; height: 620px; left: 46%; top: -12%;
  background: radial-gradient(circle, rgba(124,107,255,0.28), transparent 62%);
  filter: blur(20px);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2.9rem, 7vw, 5rem);
  line-height: 1.0; letter-spacing: -0.03em; margin-bottom: 1.2rem;
}
.hero-copy .grad-text {
  background-size: 220% 100%;
  animation: gradShift 8s ease-in-out infinite;
}
@keyframes gradShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@media (prefers-reduced-motion: reduce) { .hero-copy .grad-text { animation: none; } }
.hero-copy .lead {
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  color: var(--text-muted); max-width: 40ch; margin-bottom: 1.8rem;
}
.hero-sub { margin: 1.4rem 0 0; font-size: 0.92rem; color: var(--text-dim); }
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy .lead { max-width: 54ch; }
  .hero-visual { max-width: 520px; }
}

/* ---- Hero tool card (clean) --------------------------------------------- */
.hero-visual { position: relative; z-index: 1; }
.tool-card {
  position: relative;
  background: linear-gradient(180deg, rgba(26,32,70,0.72), rgba(15,19,48,0.72));
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 1.3rem;
  box-shadow: var(--shadow-lg), 0 0 60px -22px rgba(124,107,255,0.5);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.tool-card::before {
  content: ""; position: absolute; inset: 0; border-radius: 20px; padding: 1px;
  background: linear-gradient(140deg, rgba(176,107,255,0.55), rgba(79,139,255,0.12) 50%, transparent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.tool-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.status-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.84rem; font-weight: 600; color: var(--text);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  padding: 0.38rem 0.8rem; border-radius: var(--radius-pill);
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52,211,153,0.6); animation: pulse 2s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,0.55); } 70% { box-shadow: 0 0 0 8px rgba(52,211,153,0); } 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); } }
.tool-tag { font-family: var(--font-mono); font-size: 0.76rem; color: var(--brand-purple); background: rgba(168,85,247,0.12); padding: 0.28rem 0.6rem; border-radius: 6px; }
.code {
  margin: 0; background: rgba(5,7,18,0.85); border: 1px solid var(--border);
  border-radius: 12px; padding: 1rem 1.1rem; overflow-x: auto;
  font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.65; color: #cdd6f0;
}
.code code { font-family: inherit; white-space: pre; }
.tok-fn { color: #c084fc; } .tok-str { color: #7fb0ff; } .tok-bool { color: #f0a8e8; }
.tool-foot {
  display: flex; align-items: center; gap: 0.7rem; margin: 1rem 0 0;
  font-size: 0.86rem; color: var(--text-muted);
}
.mini-wave { display: inline-flex; align-items: center; gap: 3px; height: 20px; }
.mini-wave span {
  width: 3px; height: 100%; border-radius: 3px;
  background: linear-gradient(180deg, var(--brand-purple), var(--brand-blue));
  transform: scaleY(0.3); transform-origin: center; animation: wave 1.2s ease-in-out infinite;
}
@keyframes wave { 0%,100% { transform: scaleY(0.25); opacity: 0.7; } 50% { transform: scaleY(1); opacity: 1; } }
.mini-wave span:nth-child(1){animation-delay:-1.0s} .mini-wave span:nth-child(2){animation-delay:-0.3s}
.mini-wave span:nth-child(3){animation-delay:-0.7s} .mini-wave span:nth-child(4){animation-delay:-0.15s}
.mini-wave span:nth-child(5){animation-delay:-0.55s} .mini-wave span:nth-child(6){animation-delay:-0.9s}
.mini-wave span:nth-child(7){animation-delay:-0.4s} .mini-wave span:nth-child(8){animation-delay:-0.75s}
@media (prefers-reduced-motion: reduce) { .mini-wave span { animation: none; transform: scaleY(0.6); } .status-dot { animation: none; } }

/* ---- The inversion ------------------------------------------------------- */
.inversion-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.glass-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.1rem); }
.glass-card p { margin: 0; color: var(--text-muted); }
.glass-card strong { color: var(--text); }
.inversion-grid h2 { font-size: clamp(1.8rem, 3.8vw, 2.5rem); letter-spacing: -0.02em; }
@media (max-width: 820px) { .inversion-grid { grid-template-columns: 1fr; } }

/* ---- How it works: steps ------------------------------------------------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.step { position: relative; padding-top: 0.5rem; }
.step-num { position: absolute; top: -0.8rem; right: 0.2rem; font-family: var(--font-display); font-size: 3.6rem; font-weight: 700; color: rgba(150,150,255,0.05); line-height: 1; z-index: 0; }
.step-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 13px; color: #c4b0ff;
  background: linear-gradient(160deg, rgba(168,85,247,0.18), rgba(79,139,255,0.10));
  border: 1px solid rgba(150,120,255,0.30); margin-bottom: 1.1rem; position: relative; z-index: 1;
}
.step-icon svg { width: 23px; height: 23px; }
.step h3 { font-size: 1.22rem; margin-bottom: 0.4rem; }
.step p { color: var(--text-muted); font-size: 0.95rem; margin: 0; }
.step::before { content: ""; position: absolute; top: 23px; left: 48px; right: -1.6rem; height: 1px; background: linear-gradient(90deg, rgba(139,92,246,0.5), transparent); }
.step:last-child::before { display: none; }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.6rem; } .step:nth-child(2)::before { display: none; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } .step::before { display: none; } }

/* ---- Abstraction boundary ------------------------------------------------ */
.boundary {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.6rem; align-items: center;
  background: linear-gradient(180deg, var(--surface), rgba(15,19,48,0.6));
  border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.6rem, 3.4vw, 2.4rem);
}
.boundary-side h3 { font-size: 1.25rem; margin-bottom: 0.3rem; }
.boundary-side p { color: var(--text-muted); margin: 0; }
.boundary-right { text-align: right; }
.boundary-wave { position: relative; min-width: 190px; height: 60px; border-radius: 12px; overflow: hidden; background: rgba(5,7,18,0.5); border: 1px solid var(--border); }
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.6rem 0 0; padding: 0; }
.pills li { font-size: 0.86rem; font-weight: 500; color: var(--text-muted); background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-pill); padding: 0.48rem 1.05rem; }
@media (max-width: 700px) { .boundary { grid-template-columns: 1fr; text-align: left; } .boundary-right { text-align: left; } .boundary-wave { min-width: 0; } }

/* ---- Use cases ----------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.use-card {
  position: relative; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.7rem;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.use-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--card-accent, var(--accent)); opacity: 0.9; }
.use-card::after {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0; transition: opacity .22s ease;
  background: radial-gradient(360px 160px at 85% 0%, color-mix(in srgb, var(--card-accent) 16%, transparent), transparent 70%);
}
.use-card > * { position: relative; z-index: 1; }
.use-card[data-accent="blue"]    { --card-accent: #4f8bff; }
.use-card[data-accent="violet"]  { --card-accent: #8b5cf6; }
.use-card[data-accent="purple"]  { --card-accent: #a855f7; }
.use-card[data-accent="magenta"] { --card-accent: #d64ff0; }
.use-card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.use-card:hover::after { opacity: 1; }
.use-top { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; margin-bottom: 1.5rem; }
.badge { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.34rem 0.72rem; border-radius: var(--radius-pill); }
.badge-blue    { color: #7fb0ff; background: rgba(79,139,255,0.14); }
.badge-violet  { color: #b79dff; background: rgba(139,92,246,0.15); }
.badge-purple  { color: #cf9bff; background: rgba(168,85,247,0.15); }
.badge-magenta { color: #ec9bf5; background: rgba(214,79,240,0.15); }
.use-code { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-dim); background: var(--bg-tint); border: 1px solid var(--border); padding: 0.3rem 0.6rem; border-radius: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60%; }
.use-icon { display: inline-flex; color: var(--card-accent, var(--accent)); margin-bottom: 1rem; }
.use-icon svg { width: 27px; height: 27px; }
.use-card h3 { font-size: 1.28rem; margin-bottom: 0.4rem; }
.use-card p { color: var(--text-muted); margin: 0; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

/* ---- Integrations panel -------------------------------------------------- */
.panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center;
  background: linear-gradient(150deg, rgba(26,32,70,0.5), var(--surface)); border: 1px solid var(--border);
  border-radius: var(--radius); padding: clamp(1.8rem, 4vw, 2.8rem);
}
.panel h2 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); letter-spacing: -0.02em; }
.panel-copy p { color: var(--text-muted); margin: 0; }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.tile { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 78px; padding: 0.8rem 1rem; background: var(--bg-tint); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-muted); font-weight: 600; font-size: 0.95rem; transition: border-color .2s, color .2s, transform .2s, background-color .2s; }
.tile:hover { color: #fff; border-color: rgba(150,120,255,0.4); background: rgba(139,92,246,0.06); transform: translateY(-2px); }
@media (max-width: 820px) { .panel { grid-template-columns: 1fr; } }

/* ---- Reliability --------------------------------------------------------- */
.reliability-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.checklist { list-style: none; margin: 0; padding: 1.8rem; display: grid; gap: 1.1rem; }
.checklist li { display: flex; align-items: flex-start; gap: 0.8rem; color: var(--text); }
.check { flex: none; width: 22px; height: 22px; margin-top: 1px; border-radius: 50%; background: var(--accent-soft); position: relative; }
.check::after { content: ""; position: absolute; left: 7px; top: 4px; width: 5px; height: 9px; border: solid var(--accent-hover); border-width: 0 2px 2px 0; transform: rotate(45deg); }
@media (max-width: 820px) { .reliability-grid { grid-template-columns: 1fr; } }

/* ---- Proof bar ----------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.stat { text-align: center; background: linear-gradient(180deg, var(--surface), rgba(15,19,48,0.5)); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.2rem 1rem; }
.stat-num { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(2.8rem, 6vw, 3.6rem); line-height: 1; background: var(--grad-word); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { display: block; margin-top: 0.7rem; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }

/* ---- Pricing ------------------------------------------------------------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; align-items: stretch; }
.price-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.9rem 1.6rem; }
.price-featured { border-color: transparent; position: relative; background: linear-gradient(180deg, rgba(30,26,74,0.9), var(--surface)); box-shadow: 0 0 0 1px rgba(139,92,246,0.6), 0 34px 80px -44px rgba(124,107,255,0.8); }
.price-featured::before { content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px; background: var(--grad-brand); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.price-flag { position: absolute; top: -0.8rem; left: 1.6rem; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; background-image: var(--grad-brand); padding: 0.32rem 0.75rem; border-radius: var(--radius-pill); }
.price-card h3 { font-size: 1.4rem; margin-bottom: 0.2rem; }
.price-tier { color: var(--text-muted); font-weight: 600; margin-bottom: 1rem; }
.price-amount { margin: 0 0 0.7rem; display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.price-was { color: var(--text-dim); text-decoration: line-through; font-size: 1rem; }
.price-now { font-family: var(--font-display); font-weight: 700; font-size: 2.2rem; color: #fff; }
.price-unit { color: var(--text-muted); font-weight: 600; }
.price-desc { color: var(--text-muted); font-size: 0.95rem; margin: 0.8rem 0 1.2rem; }
.price-feats { list-style: none; margin: 0 0 1.5rem; padding: 0; display: grid; gap: 0.6rem; }
.price-feats li { position: relative; padding-left: 1.6rem; color: var(--text); font-size: 0.95rem; }
.price-feats li::before { content: ""; position: absolute; left: 0; top: 6px; width: 12px; height: 7px; border: solid var(--accent-hover); border-width: 0 0 2px 2px; transform: rotate(-45deg); }
.price-card .btn { margin-top: auto; }
.price-card .badge { align-self: flex-start; }
@media (max-width: 860px) { .pricing { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; } .price-featured { order: -1; } }

/* ---- About --------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: center; }
.about-grid h2 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); letter-spacing: -0.02em; margin: 0; }
.about-body { font-size: 1.12rem; margin: 0; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }

/* ---- FAQ ----------------------------------------------------------------- */
.faq-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(1.6rem, 4vw, 3.4rem); align-items: start; }
.faq-head { margin-bottom: 0; position: sticky; top: 90px; }
.faq-list { display: grid; gap: 0.85rem; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color .2s; }
.faq-item[open] { border-color: rgba(150,120,255,0.35); }
.faq-item summary { list-style: none; cursor: pointer; padding: 1.1rem 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-family: var(--font-display); font-weight: 600; font-size: 1.04rem; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--accent-hover); border-bottom: 2px solid var(--accent-hover); transform: rotate(45deg); transition: transform .25s ease; margin-right: 4px; }
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item summary:hover { color: #fff; }
.faq-body { padding: 0 1.25rem 1.25rem; }
.faq-body p { margin: 0; color: var(--text-muted); }
html.js .faq-item[open] .faq-body { animation: faqIn .28s ease; }
@keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
@media (max-width: 820px) { .faq-grid { grid-template-columns: 1fr; } .faq-head { position: static; } }

/* ---- Final CTA ----------------------------------------------------------- */
.final-cta { position: relative; overflow: hidden; text-align: center; padding: clamp(4rem, 10vw, 7rem) 0; border-top: 1px solid var(--border); }
.final-cta .final-wave { position: absolute; inset: 0; z-index: 0; opacity: 0.8; mask-image: radial-gradient(90% 120% at 50% 50%, #000 40%, transparent 80%); -webkit-mask-image: radial-gradient(90% 120% at 50% 50%, #000 40%, transparent 80%); }
.final-cta .container { position: relative; z-index: 1; }
.final-cta h2 { font-size: clamp(2.2rem, 5.4vw, 3.4rem); letter-spacing: -0.02em; }
.final-cta > .container > .text-muted { font-size: 1.12rem; }
.cta-center { justify-content: center; }