/* ===== HUB ===== */
.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hero-copy h1 { margin-top: 20px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.hero-ctas.center { justify-content: center; }
.hero-trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 18px; font-size: .88rem; color: var(--muted); }
.hero-trust li { display: flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--green); }

@media (max-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } .hero-visual { order: -1; max-width: 460px; margin: 0 auto; } }

/* Orbit visual */
.hero-visual { position: relative; aspect-ratio: 1; width: 100%; }
.orbit { position: absolute; inset: 6%; }
.orbit-core {
  position: absolute; inset: 32%; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center;
  background: radial-gradient(circle at 30% 30%, rgba(251,191,36,.2), rgba(17,23,37,.95) 70%);
  border: 1px solid rgba(251,191,36,.3);
  box-shadow: 0 0 80px -10px rgba(251,191,36,.35), inset 0 0 40px rgba(251,191,36,.08);
}
.brand-mark.lg { width: 52px; height: 52px; font-size: 1.5rem; border-radius: 14px; }
.core-label { font-size: .72rem; color: var(--muted); line-height: 1.3; }
.orbit-ring { position: absolute; border-radius: 50%; border: 1px dashed rgba(255,255,255,.12); }
.orbit-ring.r1 { inset: 16%; animation: spin 60s linear infinite; }
.orbit-ring.r2 { inset: 0; border-style: solid; border-color: rgba(255,255,255,.06); }
.orbit-node {
  position: absolute; width: 84px; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 600; color: var(--text);
  animation: float 6s ease-in-out infinite;
}
.orbit-node svg {
  width: 46px; height: 46px; padding: 11px; border-radius: 14px;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
}
.orbit-node.n1 { left: 50%; top: 0%; } .orbit-node.n1 svg { color: var(--accent); }
.orbit-node.n2 { left: 93%; top: 25%; animation-delay: -1s; } .orbit-node.n2 svg { color: var(--wa); }
.orbit-node.n3 { left: 93%; top: 75%; animation-delay: -2s; } .orbit-node.n3 svg { color: var(--violet); }
.orbit-node.n4 { left: 50%; top: 100%; animation-delay: -3s; } .orbit-node.n4 svg { color: var(--cyan); }
.orbit-node.n5 { left: 7%; top: 75%; animation-delay: -4s; } .orbit-node.n5 svg { color: var(--violet); }
.orbit-node.n6 { left: 7%; top: 25%; animation-delay: -5s; } .orbit-node.n6 svg { color: var(--green); }

.float-card { position: absolute; padding: 12px 14px; border-radius: 14px; box-shadow: var(--shadow); animation: float 7s ease-in-out infinite; }
.float-card p { margin: 6px 0 0; font-size: .8rem; }
.float-card p strong { color: var(--text); }
.float-card.fc1 { left: -4%; top: 44%; }
.float-card.fc2 { right: -4%; bottom: 4%; animation-delay: -3s; }
@media (max-width: 560px) { .float-card { display: none; } .orbit-node { width: 64px; font-size: .62rem; } .orbit-node svg { width: 38px; height: 38px; padding: 9px; } }

/* Stack strip */
.stack-strip { padding: 24px 0 8px; }
.strip-label { text-align: center; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 18px; }
.marquee { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--dim); white-space: nowrap; transition: color .2s; }
.marquee-track span:hover { color: var(--text); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Demo cards */
.demo-list { display: flex; flex-direction: column; gap: 40px; }
.demo-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  padding: 40px; border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  transition: border-color .3s, box-shadow .3s;
}
.demo-card:hover { border-color: rgba(251,191,36,.25); box-shadow: 0 30px 80px -40px rgba(251,191,36,.3); }
.demo-card.reverse .demo-info { order: 2; }
.demo-num { font-family: var(--font-display); font-size: 3.4rem; font-weight: 700; line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.18); margin-bottom: 12px; }
.demo-info h3 { font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin: 14px 0 16px; }
.pain { display: flex; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--rose-soft); border: 1px solid rgba(251,113,133,.2); font-size: .9rem; }
.pain svg { flex: 0 0 18px; color: var(--rose); margin-top: 3px; width: 18px; height: 18px; }
.pain strong { color: var(--text); }
.demo-bullets { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 9px; }
.demo-bullets li { display: flex; gap: 10px; font-size: .94rem; color: var(--text); }
.demo-bullets svg { flex: 0 0 18px; width: 18px; height: 18px; color: var(--green); margin-top: 3px; }
.demo-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 22px 0 26px; }
.demo-metrics div { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.03); border: 1px solid var(--border); }
.demo-metrics strong { display: block; font-family: var(--font-display); font-size: 1.35rem; color: var(--accent); }
.demo-metrics span { font-size: .74rem; color: var(--muted); line-height: 1.3; display: block; }
.footnote { font-size: .78rem; color: var(--dim); text-align: center; margin-top: 24px; }
@media (max-width: 960px) {
  .demo-card { grid-template-columns: minmax(0, 1fr); padding: 26px; }
  .demo-card.reverse .demo-info { order: 0; }
}

/* Previews */
.demo-preview { position: relative; }
.pv-window { border-radius: 18px; overflow: hidden; background: var(--bg-2); border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.pv-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
.pv-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2a3247; }
.pv-bar span:nth-child(1) { background: #ff5f57; } .pv-bar span:nth-child(2) { background: #febc2e; } .pv-bar span:nth-child(3) { background: #28c840; }
.pv-bar em { margin-left: 10px; font-style: normal; font-family: var(--font-mono); font-size: .72rem; color: var(--dim); }

.pv-flow { padding: 28px; display: flex; flex-direction: column; align-items: center; gap: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px); background-size: 18px 18px; }
.pv-node {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--border-strong); font-size: .85rem; font-weight: 600;
  animation: nodeGlow 3.2s var(--d, 0s) infinite;
}
.pv-node svg { width: 16px; height: 16px; color: var(--accent); }
.pv-node.ai svg { color: var(--violet); }
.pv-node.wa svg { color: var(--wa); }
.pv-line { width: 2px; height: 26px; background: linear-gradient(var(--accent), transparent); position: relative; overflow: hidden; }
.pv-split { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; justify-content: center; position: relative; }
.pv-split::before { content: ""; position: absolute; top: -26px; left: 50%; width: 2px; height: 26px; background: linear-gradient(var(--accent), transparent); }
@keyframes nodeGlow { 0%, 70%, 100% { box-shadow: none; border-color: var(--border-strong); } 10%, 30% { box-shadow: 0 0 0 3px var(--accent-soft), 0 0 24px rgba(251,191,36,.35); border-color: var(--accent); } }

.pv-docs { display: flex; gap: 8px; flex-wrap: wrap; padding: 16px; border-bottom: 1px solid var(--border); }
.pv-doc { display: inline-flex; align-items: center; gap: 6px; font-size: .74rem; padding: 6px 10px; border-radius: 8px; background: var(--violet-soft); color: var(--violet); }
.pv-doc svg { width: 14px; height: 14px; }
.pv-chat { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.pv-q { align-self: flex-end; max-width: 80%; padding: 10px 14px; border-radius: 14px 14px 4px 14px; background: var(--surface-3); font-size: .88rem; }
.pv-a { max-width: 88%; padding: 12px 14px; border-radius: 14px 14px 14px 4px; background: linear-gradient(135deg, rgba(167,139,250,.15), rgba(34,211,238,.08)); border: 1px solid rgba(167,139,250,.25); font-size: .88rem; }
.pv-a strong { color: var(--text); }
.pv-cite { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: .72rem; color: var(--cyan); font-family: var(--font-mono); }
.pv-cite svg { width: 12px; height: 12px; }

.pv-phone { max-width: 320px; margin: 0 auto; border-radius: 34px; padding: 10px; background: #0d0d0d; border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.pv-wa-head { display: flex; align-items: center; gap: 10px; padding: 12px; background: #1f2c34; border-radius: 26px 26px 0 0; }
.pv-wa-head small { display: block; font-size: .7rem; color: #8fa3ad; }
.pv-wa-head strong { font-size: .9rem; }
.pv-avatar { width: 34px; height: 34px; border-radius: 50%; background: #2a3942; display: grid; place-items: center; }
.pv-wa-body { padding: 14px 10px 18px; display: flex; flex-direction: column; gap: 8px; background: #0b141a; border-radius: 0 0 26px 26px; min-height: 260px; }
.pv-msg { max-width: 82%; padding: 7px 10px; border-radius: 8px; font-size: .8rem; line-height: 1.4; opacity: 0; animation: fadeUp .5s var(--ease) forwards; }
.pv-msg.in { background: #202c33; align-self: flex-start; }
.pv-msg.out { background: #005c4b; align-self: flex-end; }
.pv-msg:nth-child(1) { animation-delay: .3s; } .pv-msg:nth-child(2) { animation-delay: 1.2s; } .pv-msg:nth-child(3) { animation-delay: 2.2s; } .pv-msg:nth-child(4) { animation-delay: 3s; }

/* Method */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { padding: 26px; }
.step-n { position: absolute; top: 18px; right: 22px; font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: rgba(255,255,255,.06); }
.step > svg { width: 30px; height: 30px; color: var(--accent); margin-bottom: 14px; }
.step p { font-size: .9rem; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.promises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.promise { display: flex; gap: 14px; padding: 20px; border-radius: var(--radius); background: rgba(52,211,153,.05); border: 1px solid rgba(52,211,153,.15); }
.promise > svg { flex: 0 0 24px; color: var(--green); }
.promise strong { display: block; margin-bottom: 4px; }
.promise p { margin: 0; font-size: .86rem; }
@media (max-width: 860px) { .promises { grid-template-columns: 1fr; } }

/* ROI */
.roi-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 960px) { .roi-grid { grid-template-columns: minmax(0, 1fr); } }
.roi-controls { margin-top: 24px; display: grid; gap: 22px; }
.range-field label { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; color: var(--muted); margin-bottom: 10px; }
.range-field output { color: var(--accent); font-weight: 700; font-family: var(--font-mono); }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 6px; background: var(--surface-3); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--grad-accent); cursor: pointer; box-shadow: 0 0 0 4px var(--accent-soft); transition: transform .15s; }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border: none; border-radius: 50%; background: var(--accent); cursor: pointer; }
.roi-result { padding: 36px; box-shadow: var(--shadow-glow); }
.roi-label { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0; }
.roi-big { font-family: var(--font-display); font-size: clamp(2.6rem, 5vw, 3.6rem); font-weight: 700; margin: 6px 0 22px; }
.roi-big span { background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; color: transparent; }
.roi-big small { font-size: 1rem; color: var(--muted); font-weight: 500; margin-left: 6px; }
.roi-break { display: grid; gap: 10px; margin-bottom: 24px; }
.roi-break div { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .92rem; }
.roi-break span { color: var(--muted); }
.roi-break strong { font-family: var(--font-mono); }
.roi-break .hl { border: none; padding: 14px 16px; border-radius: 12px; background: var(--accent-soft); }
.roi-break .hl strong { color: var(--accent); }
.roi-result .btn { width: 100%; }
.roi-disclaimer { font-size: .75rem; color: var(--dim); text-align: center; margin: 12px 0 0; }

/* FAQ */
.narrow { max-width: 820px; }
.faq { display: grid; gap: 12px; }
.faq details { border-radius: var(--radius); background: rgba(255,255,255,.03); border: 1px solid var(--border); padding: 0 22px; transition: border-color .2s, background .2s; }
.faq details[open] { border-color: rgba(251,191,36,.3); background: rgba(251,191,36,.04); }
.faq summary { list-style: none; cursor: pointer; padding: 18px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex: 0 0 20px; transition: transform .3s var(--ease); color: var(--accent); }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq details p { padding-bottom: 18px; margin: 0; }

/* Final CTA */
.cta-box {
  text-align: center; padding: 64px 32px; border-radius: 32px;
  background: radial-gradient(600px 300px at 50% 0%, rgba(251,191,36,.18), transparent 70%), linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid rgba(251,191,36,.25);
}
.cta-box .lead { margin-inline: auto; }