/* Kai Wireless — dark launch-film palette, calm a1-style structure. */
:root {
  --ink-0: #070a12;
  --ink-1: #0d1322;
  --ink-2: #141b2b;
  --ink-3: #1b2540;
  --hair: rgba(255, 255, 255, 0.09);
  --hair-2: rgba(255, 255, 255, 0.16);
  --text: #f4f6fb;
  --body: #c3cadb;
  --muted: #8b95ad;
  --blue: #5c8cff;
  --blue-2: #8fb0ff;
  --purple: #c68bf8;
  --go: #3ddc97;
  --warn: #ff7a6e;
  --display: 'Barlow Condensed', 'Arial Narrow', Impact, sans-serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --r-card: 22px;
  --r-pill: 999px;
  --lane: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; }
b, strong { font-weight: 600; color: var(--text); }
.mono { font-family: var(--mono); font-size: 0.86em; letter-spacing: 0.01em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--blue); color: #061027; padding: 10px 14px; border-radius: 8px; font-weight: 600; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--blue-2); outline-offset: 3px; }

/* ---------- type ---------- */
.display {
  font-family: var(--display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 0.92;
  margin: 0;
  color: var(--text);
}
h1.display { font-size: clamp(54px, 6.9vw, 98px); }
h2.display { font-size: clamp(40px, 5.6vw, 76px); }
h2.display.xl { font-size: clamp(64px, 12vw, 168px); }
.hl { color: var(--blue); }
.dim { color: var(--muted); }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue-2); margin: 0 0 18px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--body);
  margin: 0 0 22px;
}
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--go); box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.6); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0.55); } 70% { box-shadow: 0 0 0 10px rgba(61, 220, 151, 0); } 100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); } }
.lede { font-size: clamp(17px, 1.5vw, 20px); color: var(--body); max-width: 34em; margin: 26px 0 0; }
.sub { font-size: clamp(16px, 1.3vw, 19px); color: var(--body); max-width: 40em; margin: 20px 0 0; }
.fine { font-size: 14px; color: var(--muted); margin: 18px 0 0; }
.fine a { color: var(--blue-2); }
.section-head { max-width: var(--lane); margin: 0 auto 44px; padding: 0 var(--gutter); }
.section-head.center { text-align: center; }
.section-head.center .sub { margin-left: auto; margin-right: auto; }
h3 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: 26px; line-height: 1; letter-spacing: 0.005em; margin: 0 0 10px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: var(--r-pill);
  font: 500 15px/1 var(--sans); letter-spacing: -0.01em; text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: background 0.18s var(--ease), transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn-blue { background: var(--blue); color: #061027; font-weight: 600; box-shadow: 0 0 0 0 rgba(92, 140, 255, 0.35); }
.btn-blue:hover { background: #7aa1ff; box-shadow: 0 8px 30px rgba(92, 140, 255, 0.35); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); border-color: var(--hair-2); color: var(--text); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.07); }
.btn-ghost .mono { color: var(--blue-2); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn-lg { height: 56px; padding: 0 30px; font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.actions.center { justify-content: center; }

/* ---------- nav ---------- */
.nav-wrap { position: sticky; top: 0; z-index: 50; padding: 12px var(--gutter) 0; pointer-events: none; }
.nav {
  pointer-events: auto;
  max-width: var(--lane); margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  padding: 8px 8px 8px 14px; border-radius: var(--r-pill);
  background: rgba(13, 19, 34, 0.72); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: inset 0 0 0 1px var(--hair), 0 10px 30px rgba(0, 0, 0, 0.35);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 50%; background: #fff; }
.brand.small .brand-mark { width: 28px; height: 28px; }
.brand-word { font: 700 19px/1 var(--sans); letter-spacing: -0.03em; color: var(--text); }
.brand-word span { font-weight: 300; color: var(--blue); margin-left: 1px; }
.brand.small .brand-word { font-size: 16px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { text-decoration: none; font-size: 14px; color: var(--body); }
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: 4px; }
@media (max-width: 800px) { .nav-links { display: none; } .nav-cta { margin-left: auto; } }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(40px, 8vw, 96px) 0 0; }
.hero-glow {
  position: absolute; inset: -20% -10% auto; height: 120%; pointer-events: none;
  background:
    radial-gradient(60% 50% at 78% 30%, rgba(92, 140, 255, 0.22), transparent 60%),
    radial-gradient(40% 40% at 15% 80%, rgba(198, 139, 248, 0.12), transparent 60%);
}
.hero-inner {
  position: relative; max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(24px, 4vw, 56px); align-items: center;
}
.hero-copy { position: relative; z-index: 1; }
.hero-scene { position: relative; }
.scene { width: 100%; height: auto; overflow: visible; }
.scene .lbl { font-family: var(--mono); font-size: 13px; fill: var(--body); letter-spacing: 0.04em; }
.scene .link { stroke-dasharray: var(--len, 1000); stroke-dashoffset: var(--len, 1000); }
.scene.go .link { animation: draw 1.4s var(--ease) forwards; }
.scene.go #h1 { animation-delay: 0.3s; }
.scene.go #h2 { animation-delay: 1.3s; }
.scene.go #h3 { animation-delay: 2.2s; }
.scene.go #h4 { animation-delay: 2.4s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.scene .node { opacity: 0; transition: opacity 0.6s var(--ease); }
.scene.go .phone { opacity: 1; transition-delay: 1.2s; }
.scene.go .kai { opacity: 1; transition-delay: 2.1s; }
.scene.go .cal { opacity: 1; transition-delay: 3.2s; }
.scene.go .txt { opacity: 1; transition-delay: 3.5s; }
.scene .ring { opacity: 0; transform-origin: 0px 120px; }
.scene.go .ring { animation: ring 3.6s ease-out infinite; }
.scene.go .r2 { animation-delay: 1.2s; }
.scene.go .r3 { animation-delay: 2.4s; }
@keyframes ring { 0% { transform: scale(0.2); opacity: 0.9; } 100% { transform: scale(2.6); opacity: 0; } }
.scene .tip { animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.scene .halo { opacity: 0; transform-origin: center; transform-box: fill-box; }
.scene.go .phone .halo { animation: halo 1.6s ease-out 1.4s 3; }
@keyframes halo { 0% { transform: scale(0.8); opacity: 0.8; } 100% { transform: scale(1.5); opacity: 0; } }
.scene .ringing { opacity: 0; }
.scene.go .ringing { animation: shake 0.5s ease-in-out 1.4s 5; }
@keyframes shake { 0%, 100% { opacity: 0; } 30%, 70% { opacity: 1; } }
.scene .pulse { opacity: 0; }
.scene.go .pulse { opacity: 1; filter: drop-shadow(0 0 6px #fff); }
.scene .slot { animation: blink 2s ease-in-out infinite; }
.scene .stars circle { animation: blink 4s ease-in-out infinite; }
.scene .stars circle:nth-child(odd) { animation-delay: 2s; }

/* ticker */
.ticker { position: relative; margin-top: clamp(28px, 5vw, 56px); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); overflow: hidden; }
.ticker::before, .ticker::after { content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 1; pointer-events: none; }
.ticker::before { left: 0; background: linear-gradient(90deg, var(--ink-0), transparent); }
.ticker::after { right: 0; background: linear-gradient(270deg, var(--ink-0), transparent); }
.ticker-track { display: flex; width: max-content; gap: 0; animation: ticker 42s linear infinite; }
.ticker-track span { padding: 16px 28px; font-family: var(--display); text-transform: uppercase; font-weight: 600; font-size: 20px; letter-spacing: 0.02em; color: var(--body); white-space: nowrap; }
.ticker-track span::before { content: '●'; color: var(--blue); font-size: 9px; vertical-align: middle; margin-right: 28px; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- film ---------- */
.film { padding: clamp(72px, 10vw, 140px) 0 0; }
.film-pick { display: inline-flex; gap: 4px; margin-top: 22px; padding: 4px; border-radius: var(--r-pill); background: var(--ink-1); box-shadow: inset 0 0 0 1px var(--hair); }
.pick { border: 0; background: transparent; color: var(--body); font: 500 14px/1 var(--sans); padding: 10px 16px; border-radius: var(--r-pill); cursor: pointer; transition: background 0.2s var(--ease), color 0.2s var(--ease); }
.pick:hover { color: var(--text); }
.pick[aria-pressed='true'] { background: var(--ink-3); color: var(--text); box-shadow: inset 0 0 0 1px var(--hair-2); }
.film-frame {
  position: relative; max-width: var(--lane); margin: 0 auto; padding: 0;
  border-radius: 28px; overflow: hidden; background: #03050a;
  box-shadow: 0 0 0 1px var(--hair), 0 40px 120px rgba(92, 140, 255, 0.16), 0 20px 60px rgba(0, 0, 0, 0.6);
  aspect-ratio: 16 / 9;
}
@media (max-width: 1260px) { .film-frame { margin-left: var(--gutter); margin-right: var(--gutter); } }
.film-frame.is-tall { aspect-ratio: 9 / 16; max-width: 420px; }
.film-video { width: 100%; height: 100%; object-fit: cover; background: #03050a; }
.film-controls { position: absolute; left: 16px; right: 16px; bottom: 16px; display: flex; gap: 8px; align-items: center; }
.film-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; min-width: 42px; padding: 0 16px;
  border-radius: var(--r-pill); border: 1px solid rgba(255, 255, 255, 0.22); background: rgba(7, 10, 18, 0.62); color: #fff;
  font: 600 13px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; backdrop-filter: blur(8px);
}
.film-btn:hover { background: rgba(7, 10, 18, 0.85); border-color: rgba(255, 255, 255, 0.5); }
#film-play { padding: 0; width: 42px; }
#film-play svg { width: 18px; height: 18px; fill: #fff; }
#film-play .i-play { display: none; }
#film-play[aria-pressed='false'] .i-play { display: block; }
#film-play[aria-pressed='false'] .i-pause { display: none; }
.film-sound[aria-pressed='true'] { background: var(--blue); color: #061027; border-color: var(--blue); }
.film-cards { max-width: var(--lane); margin: 28px auto 0; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.film-card {
  background: var(--ink-1); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair); padding: 28px 26px 24px;
  display: flex; flex-direction: column; gap: 10px; min-height: 160px; justify-content: flex-end;
}
.film-card-big { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(30px, 3vw, 40px); line-height: 0.92; }
.film-card-sub { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* ---------- how ---------- */
.how { padding: clamp(80px, 11vw, 150px) 0 0; }
.net { max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter); }
.net-svg { width: 100%; height: auto; overflow: visible; }
.net-tall { display: none; max-width: 360px; margin: 0 auto; }
@media (max-width: 720px) { .net-wide { display: none; } .net-tall { display: block; } }
.net .nlbl { font-family: var(--mono); font-size: 13px; fill: var(--body); letter-spacing: 0.02em; }
.net .draw { stroke-dasharray: var(--len, 1000); stroke-dashoffset: var(--len, 1000); }
.net .nring { fill: rgba(92, 140, 255, 0.06); stroke: var(--hair-2); stroke-width: 1; transition: stroke 0.4s var(--ease), fill 0.4s var(--ease); }
.net .nnode { opacity: 0.35; transition: opacity 0.4s var(--ease); }
.net .nnode.lit { opacity: 1; }
.net .nnode.lit .nring { stroke: var(--blue); fill: rgba(92, 140, 255, 0.12); }
.net .pulse { opacity: 0; filter: drop-shadow(0 0 6px #fff); }
.net .pulse.on { opacity: 1; }
.steps {
  list-style: none; margin: 40px auto 0; padding: 0 var(--gutter); max-width: var(--lane);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.step { background: var(--ink-1); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair); padding: 24px 22px 26px; opacity: 0.45; transition: opacity 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.step.lit { opacity: 1; box-shadow: inset 0 0 0 1px rgba(92, 140, 255, 0.5); }
.step-n { display: block; color: var(--blue); margin-bottom: 14px; }
.step h3 { font-size: 24px; }
.step p { margin: 0; color: var(--body); font-size: 15px; }

/* ---------- numbers ---------- */
.numbers { padding: clamp(80px, 11vw, 150px) 0 0; }
.stats { max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 1.6fr; gap: 14px; }
.stat-card, .chart-card { margin: 0; background: var(--ink-1); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair); padding: 28px; }
.stat-card { display: grid; grid-template-columns: 140px 1fr; gap: 22px; align-items: center; }
.gauge { width: 140px; height: 140px; }
.gauge-fill, .gauge-rest { transition: stroke-dasharray 1.4s var(--ease); }
.stat-card:not(.in) .gauge-fill { stroke-dasharray: 0 100; }
.stat-card:not(.in) .gauge-rest { stroke-dasharray: 0 100; }
.stat-big { display: block; font-family: var(--display); font-weight: 800; font-size: clamp(64px, 6vw, 88px); line-height: 0.9; color: var(--warn); letter-spacing: -0.01em; }
.stat-lt { font-size: 0.7em; vertical-align: 0.12em; margin-right: 2px; }
.stat-sub { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); margin-top: 10px; }
.stat-note { display: block; color: var(--muted); font-size: 14px; margin-top: 10px; }
.chart-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: baseline; margin-bottom: 12px; }
.chart-title { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); }
.chart-legend { font-family: var(--mono); font-size: 12px; color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.lg { display: inline-block; width: 18px; height: 3px; border-radius: 2px; }
.lg-a { background: var(--blue); } .lg-m { background: var(--warn); margin-left: 8px; }
.chart { width: 100%; height: auto; }
.chart .draw { stroke-dasharray: var(--len, 2000); stroke-dashoffset: var(--len, 2000); transition: stroke-dashoffset 1.8s var(--ease); }
.chart-card.in .line-m { stroke-dashoffset: 0; }
.chart-card.in .line-a { stroke-dashoffset: 0; transition-delay: 0.25s; }
.chart .pts circle { opacity: 0; transition: opacity 0.4s var(--ease); }
.chart-card.in .pts circle { opacity: 1; }
.chart-card.in .pts circle:nth-child(1) { transition-delay: 0.3s; } .chart-card.in .pts circle:nth-child(2) { transition-delay: 0.55s; }
.chart-card.in .pts circle:nth-child(3) { transition-delay: 0.8s; } .chart-card.in .pts circle:nth-child(4) { transition-delay: 1.05s; }
.chart-card.in .pts circle:nth-child(5) { transition-delay: 1.3s; } .chart-card.in .pts circle:nth-child(6) { transition-delay: 1.55s; }
.chart-card.in .pts circle:nth-child(7) { transition-delay: 1.8s; }
.chart .switch { opacity: 0; transition: opacity 0.6s var(--ease) 1s; }
.chart-card.in .switch { opacity: 1; }
.chart-foot { margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.claims { list-style: none; margin: 14px auto 0; padding: 0 var(--gutter); max-width: var(--lane); display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.claim { background: linear-gradient(180deg, var(--ink-2), var(--ink-1)); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair); padding: 34px 26px; }
.claim-big { font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(36px, 4vw, 56px); line-height: 0.9; }
.claim:nth-child(2) .claim-big { color: var(--blue); }
.claim:nth-child(3) .claim-big { color: var(--go); }

/* ---------- call kai ---------- */
.callkai { padding: clamp(80px, 11vw, 150px) 0 0; }
.callkai-grid { max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: center; }
.callkai-copy .btn { margin-top: 26px; }
.callkai-demo { position: relative; min-height: 560px; }
.line-card {
  position: relative; z-index: 2; background: var(--ink-1); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair), 0 30px 80px rgba(0, 0, 0, 0.5);
  padding: 20px 22px 22px; max-width: 460px;
}
.line-head { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.bars { display: inline-flex; gap: 3px; align-items: flex-end; height: 12px; }
.bars i { width: 3px; background: var(--go); border-radius: 1px; animation: bars 1.1s ease-in-out infinite; }
.bars i:nth-child(1) { height: 5px; } .bars i:nth-child(2) { height: 9px; animation-delay: 0.15s; } .bars i:nth-child(3) { height: 12px; animation-delay: 0.3s; } .bars i:nth-child(4) { height: 7px; animation-delay: 0.45s; }
@keyframes bars { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(0.4); } }
.line-you, .line-kai { display: grid; grid-template-columns: 44px 1fr; gap: 12px; margin: 0; align-items: start; font-size: 17px; line-height: 1.45; }
.line-kai { margin-top: 16px; color: var(--body); opacity: 0; transform: translateY(6px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.line-kai.show { opacity: 1; transform: none; }
.who { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); padding-top: 5px; }
.who-kai { color: var(--blue-2); }
.typed { color: var(--text); font-weight: 500; }
.caret { display: inline-block; width: 2px; height: 1em; background: var(--blue); vertical-align: -0.15em; margin-left: 2px; animation: cursor-blink 1s steps(1) infinite; }
@keyframes cursor-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
.callkai-art { position: absolute; right: 0; bottom: 0; width: 60%; max-width: 400px; height: auto; z-index: 1; opacity: 0.95; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.5)); pointer-events: none; }

/* ---------- trades ---------- */
.trades { padding: clamp(80px, 11vw, 150px) 0 0; }
.trades-grid { max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 380px 1fr; gap: clamp(20px, 4vw, 48px); align-items: center; }
.tabs { display: flex; flex-direction: column; gap: 8px; }
.tabs [role='tab'] {
  text-align: left; background: transparent; border: 1px solid var(--hair); color: var(--body); border-radius: 14px; padding: 16px 18px;
  font: 700 22px/1 var(--display); text-transform: uppercase; letter-spacing: 0.02em; cursor: pointer; transition: all 0.2s var(--ease);
}
.tabs [role='tab']:hover { border-color: var(--hair-2); color: var(--text); }
.tabs [role='tab'][aria-selected='true'] { background: var(--ink-2); border-color: var(--blue); color: var(--text); }
.phone-wrap { display: flex; justify-content: center; }
.phone {
  width: 320px; border-radius: 44px; background: #0a0e18; padding: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 0 0 6px #10151f, 0 40px 100px rgba(0, 0, 0, 0.6);
}
.phone-top { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px 6px; color: var(--muted); font-size: 12px; }
.phone-title { font-weight: 600; color: var(--text); font-size: 13px; }
.panels { min-height: 470px; padding: 6px 8px 14px; }
.panel { display: none; }
.panel.is-on { display: flex; flex-direction: column; gap: 8px; }
.b { margin: 0; max-width: 84%; padding: 10px 14px; border-radius: 18px; font-size: 14.5px; line-height: 1.4; opacity: 0; transform: translateY(8px); animation: bubble 0.45s var(--ease) forwards; }
.b.them { align-self: flex-start; background: var(--ink-3); color: var(--text); border-bottom-left-radius: 6px; }
.b.kai { align-self: flex-end; background: var(--blue); color: #061027; border-bottom-right-radius: 6px; }
.panel .b:nth-child(1) { animation-delay: 0.1s; } .panel .b:nth-child(2) { animation-delay: 0.6s; } .panel .b:nth-child(3) { animation-delay: 1.2s; } .panel .b:nth-child(4) { animation-delay: 1.7s; }
.result { margin: 10px 0 0; font-size: 12.5px; color: var(--go); opacity: 0; animation: bubble 0.45s var(--ease) 2.3s forwards; }
.result .mono { display: block; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; font-size: 10px; margin-bottom: 2px; }
@keyframes bubble { to { opacity: 1; transform: none; } }
.modes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.modes li { display: grid; grid-template-columns: 28px 1fr; grid-template-rows: auto auto; column-gap: 12px; align-items: baseline; border: 1px solid var(--hair); border-radius: 14px; padding: 14px 16px; }
.modes .mono { color: var(--blue); grid-row: span 2; align-self: start; font-size: 13px; }
.modes b { font-family: var(--display); text-transform: uppercase; font-size: 20px; letter-spacing: 0.02em; }
.modes small { color: var(--muted); font-size: 13px; }

/* ---------- get ---------- */
.get { padding: clamp(80px, 11vw, 150px) 0 0; }
.ways { max-width: var(--lane); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.way { grid-column: span 2; position: relative; background: var(--ink-1); border-radius: var(--r-card); box-shadow: inset 0 0 0 1px var(--hair); padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.way h3 { margin-top: 14px; }
.way p { margin: 0; color: var(--body); font-size: 15px; }
.way-desk { grid-column: span 4; }
.deskphone { margin-top: 18px; display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: center; }
.deskphone svg { width: 220px; }
.deskphone-line { font-family: var(--display); text-transform: uppercase; font-weight: 800; font-size: 30px; line-height: 0.92; color: var(--blue); }
.chip { align-self: flex-start; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 10px; border-radius: var(--r-pill); border: 1px solid var(--hair-2); color: var(--body); }
.chip-live { background: var(--go); color: #05261a; border-color: var(--go); font-weight: 500; }
.chip-reserve { background: var(--purple); color: #22083a; border-color: var(--purple); font-weight: 500; }
.way-kaiphone { background: linear-gradient(160deg, #1a1430, var(--ink-1) 70%); }
.way-link { margin-top: 12px; color: var(--purple); text-decoration: none; font-weight: 600; }
.way-link:hover { text-decoration: underline; }

/* ---------- faq ---------- */
.faq { padding: clamp(80px, 11vw, 150px) 0 0; }
.faq-list { max-width: 820px; margin: 0 auto; padding: 0 var(--gutter); }
details { border-top: 1px solid var(--hair); }
details:last-child { border-bottom: 1px solid var(--hair); }
summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font-weight: 600; font-size: 18px; color: var(--text); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 4px; top: 16px; font-family: var(--mono); font-size: 22px; color: var(--blue); transition: transform 0.25s var(--ease); }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 0 0 22px; color: var(--body); max-width: 60ch; }

/* ---------- reserve ---------- */
.reserve { padding: clamp(90px, 12vw, 170px) 0 clamp(80px, 10vw, 140px); position: relative; overflow: hidden; }
.reserve::before { content: ''; position: absolute; inset: 0; background: radial-gradient(50% 60% at 50% 100%, rgba(92, 140, 255, 0.25), transparent 70%); pointer-events: none; }
.reserve-inner { position: relative; max-width: 1000px; margin: 0 auto; padding: 0 var(--gutter); text-align: center; }
.reserve .sub { margin-left: auto; margin-right: auto; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--hair); max-width: var(--lane); margin: 0 auto; padding: 28px var(--gutter) 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; color: var(--muted); font-size: 14px; }
.foot-links { margin-left: auto; display: flex; gap: 20px; }
.foot-links a { text-decoration: none; color: var(--body); }
.foot-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .trades-grid { grid-template-columns: 1fr 1fr; }
  .trades-grid .modes { grid-column: span 2; grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .way, .way-desk { grid-column: span 3; }
}
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-scene { max-width: 560px; margin: 8px auto 0; }
  .stats { grid-template-columns: 1fr; }
  .callkai-grid { grid-template-columns: 1fr; }
  .callkai-demo { min-height: 0; padding-bottom: 150px; }
  .callkai-art { right: 0; bottom: 0; width: 52%; }
  .film-cards, .claims { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .trades-grid { grid-template-columns: 1fr; }
  .trades-grid .modes { grid-column: auto; grid-template-columns: 1fr; }
  .tabs { flex-direction: row; flex-wrap: wrap; }
  .tabs [role='tab'] { font-size: 18px; padding: 12px 14px; flex: 1 1 40%; }
  .steps { grid-template-columns: 1fr; }
  .way, .way-desk { grid-column: span 6; }
  .deskphone { grid-template-columns: 1fr; }
  .deskphone svg { width: 180px; }
  .stat-card { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .phone { width: min(320px, 100%); }
  .btn { white-space: normal; text-align: center; height: auto; min-height: 48px; padding: 12px 20px; }
  .actions .btn { width: 100%; }
  h1.display { font-size: clamp(50px, 15vw, 72px); }
  .ticker-track span { font-size: 17px; padding: 14px 18px; }
  .ticker-track span::before { margin-right: 18px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1; transform: none; }
  .scene .link, .net .draw, .chart .draw { stroke-dashoffset: 0 !important; }
  .scene .node, .net .nnode, .step { opacity: 1; }
  .scene .ring, .scene .halo, .scene .ringing, .scene .pulse, .net .pulse { display: none; }
  .ticker-track { animation: none; flex-wrap: wrap; width: auto; }
  .b, .result, .line-kai { opacity: 1; transform: none; }
  .caret { display: none; }
  .stat-card .gauge-fill { stroke-dasharray: 3 100 !important; }
  .stat-card .gauge-rest { stroke-dasharray: 97 100 !important; }
  .chart .pts circle, .chart .switch { opacity: 1; }
}

/* vertical film beside its three lines */
.film-row { max-width: var(--lane); margin: 40px auto 0; padding: 0 var(--gutter); display: grid; grid-template-columns: minmax(280px, 400px) 1fr; gap: 28px; align-items: center; }
.film-row .film-frame { margin: 0; width: 100%; max-width: 400px; }
.film-row .film-cards { margin: 0; padding: 0; grid-template-columns: 1fr; }
@media (max-width: 860px) {
  .film-row { grid-template-columns: 1fr; justify-items: center; }
  .film-row .film-frame { max-width: 380px; }
  .film-row .film-cards { width: 100%; }
}