/* ────────────────────────────────────────────────────────────
   PULSE — landing v3.3
   Avatar as device · restrained type · pulse-ring reuse
   ────────────────────────────────────────────────────────── */

.landing-v3 { display: flex; flex-direction: column; }

/* ── shared type tokens for sections ─────────────────────── */
.mq3-eyebrow, .cast3-eyebrow, .sheet3-eyebrow, .grf3-eyebrow, .ins3-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 12px;
}
.cast3-eyebrow .rule,
.sheet3-eyebrow .rule,
.grf3-eyebrow .rule,
.ins3-eyebrow .rule {
  width: 32px; height: 1px;
  background: var(--line-strong);
}

/* highlight word — Geist Black, color = pulse, NOT italic serif */
.hi {
  color: var(--pulse);
  font-weight: 700;
  letter-spacing: -0.025em;
}

/* ── 1 · MARQUEE ─────────────────────────────────────────── */
.mq3 {
  position: relative;
  padding: 64px 48px 80px;
  max-width: 1440px; margin: 0 auto; width: 100%;
  overflow: hidden;
}
.mq3-bg {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 0;
  filter: blur(60px) saturate(1.1);
  opacity: 0.35;
  animation: mq3-fade 0.6s var(--ease-out);
}
@keyframes mq3-fade {
  from { opacity: 0; }
  to   { opacity: 0.35; }
}
.mq3-bg img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.2);
}
.mq3-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(at 50% 50%, transparent 0%, var(--surface) 80%);
}

.mq3-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: 600px;
}

/* left column */
.mq3-l { display: flex; flex-direction: column; gap: 24px; align-items: flex-start; }
.mq3-eyebrow {
  padding: 6px 14px 6px 10px;
  background: oklch(1 0 0 / 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.mq3-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.mq3-title .hi {
  display: inline-block;
}
.mq3-sub {
  max-width: 50ch;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.6;
}
.mq3-code {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 1px 7px;
  background: oklch(1 0 0 / 0.05);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--pulse-hi);
}
.mq3-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

.mq3-picker {
  display: flex; gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  width: 100%;
}
.mq3-pick {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 12px 4px 4px;
  border-radius: 999px;
  background: oklch(1 0 0 / 0.04);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
  transition: all 0.18s var(--ease);
}
.mq3-pick img { width: 22px; height: 22px; border-radius: 999px; object-fit: cover; }
.mq3-pick:hover { color: var(--ink); background: oklch(1 0 0 / 0.07); }
.mq3-pick.is-on {
  background: var(--pulse-soft);
  border-color: var(--pulse);
  color: var(--pulse-hi);
}

/* right column — device showcase */
.mq3-device {
  position: relative;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px;
  padding: 32px;
}
.mq3-device-rings {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.mq3-device-rings span {
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 999px;
  border: 1px solid oklch(from var(--pulse) l c h / 0.30);
  animation: mq3-ring 4s var(--ease) infinite;
}
.mq3-device-rings span:nth-child(2) { animation-delay: 1.3s; }
.mq3-device-rings span:nth-child(3) { animation-delay: 2.6s; }
@keyframes mq3-ring {
  0%   { transform: scale(0.5); opacity: 0.9; }
  100% { transform: scale(2); opacity: 0; }
}

.mq3-device-stage {
  position: relative;
  width: 380px; height: 380px;
  border-radius: 22px;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 0 1px oklch(from var(--pulse) l c h / 0.20), 0 24px 80px -20px oklch(from var(--pulse) l c h / 0.40), 0 24px 80px -20px oklch(0 0 0 / 0.6);
}
.mq3-device-stage .avatar-live { border-radius: 22px !important; width: 100% !important; height: 100% !important; }

.mq3-device-row {
  display: flex; gap: 14px;
  align-items: center;
}
.mq3-mini {
  background: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.mq3-mini-circle { width: 60px; height: 60px; border-radius: 999px; }
.mq3-mini-wide   { width: 110px; height: 60px; border-radius: 12px; }
.mq3-mini-pill   { width: 130px; height: 38px; border-radius: 999px; }
.mq3-mini .avatar-live { border-radius: 0 !important; width: 100% !important; height: 100% !important; }

/* ── 2 · CAST ────────────────────────────────────────────── */
.cast3 { padding: 96px 48px; max-width: 1440px; margin: 0 auto; width: 100%; }
.cast3-head { max-width: 720px; margin-bottom: 48px; display: flex; flex-direction: column; gap: 22px; }
.cast3-h {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.cast3-lead {
  max-width: 56ch;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.55;
}

.cast3-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.cast3-card {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  display: flex; flex-direction: column;
  transition: transform 0.3s var(--ease), border-color 0.18s;
}
.cast3-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.cast3-card.is-draft { opacity: 0.5; }

.cast3-no {
  position: absolute; top: 10px; right: 12px; z-index: 3;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  padding: 3px 8px;
  background: oklch(0 0 0 / 0.55);
  border: 1px solid oklch(1 0 0 / 0.10);
  border-radius: 999px;
  color: var(--ink);
}
.cast3-stage {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.cast3-stage img, .cast3-stage .avatar-live, .cast3-stage video {
  width: 100% !important; height: 100% !important;
  object-fit: cover; display: block; border-radius: 0 !important;
}
.cast3-stage::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, oklch(0 0 0 / 0.6), transparent 40%);
  pointer-events: none;
}
.cast3-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 12px 14px 14px;
}
.cast3-name {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.cast3-cred {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: oklch(0.96 0.008 80 / 0.72);
}

/* ── 3 · CONTACT SHEET ───────────────────────────────────── */
.sheet3 {
  padding: 96px 48px;
  border-top: 1px solid var(--line);
  max-width: 1440px; margin: 0 auto; width: 100%;
}
.sheet3-head { max-width: 720px; margin-bottom: 48px; display: flex; flex-direction: column; gap: 22px; }
.sheet3-h {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.sheet3-lead {
  max-width: 56ch;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.55;
}
.sheet3-print { border-top: 1px solid var(--line); display: flex; flex-direction: column; }
.sheet3-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.sheet3-row-lbl { display: flex; flex-direction: column; gap: 10px; padding-top: 4px; }
.sheet3-row-lbl .lbl-text {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.sheet3-row-lbl .lbl-n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}
.sheet3-row-lbl .cat-dot { width: 8px; height: 8px; }
.sheet3-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
}
.sheet3-frame {
  position: relative;
  background: var(--surface-2);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 6px;
}
.sheet3-frame video { width: 100%; height: 100%; object-fit: cover; display: block; }
.sheet3-frame-cap {
  position: absolute; inset: auto 0 0 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 6px;
  padding: 6px 8px;
  background: linear-gradient(to top, oklch(0 0 0 / 0.7), transparent);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.sheet3-frame-cap .sf-no { color: var(--pulse); }
.sheet3-frame-cap .sf-lbl { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sheet3-frame-cap .sf-dur { color: oklch(0.96 0.008 80 / 0.55); }

.sheet3-foot {
  margin-top: 36px;
  display: flex; gap: 32px; align-items: flex-start;
}
.sheet3-foot p {
  max-width: 56ch;
  color: var(--ink-3);
  font-size: 13.5px;
  line-height: 1.6;
}

/* ── 4 · GRAPH FEATURE ────────────────────────────────── */
.grf3 {
  padding: 96px 48px;
  border-top: 1px solid var(--line);
  max-width: 1440px; margin: 0 auto; width: 100%;
}
.grf3-head { max-width: 720px; margin-bottom: 36px; display: flex; flex-direction: column; gap: 22px; }
.grf3-h {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.grf3-lead {
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.55;
}
.grf3-canvas {
  position: relative;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  height: 560px;
}
.grf3-canvas-inner { position: absolute; inset: 0; }
.grf3-canvas-inner .gx-root { min-height: 0; height: 100%; }
.grf3-foot { margin-top: 24px; }

/* ── 5 · INSTALL ──────────────────────────────────────── */
.ins3 {
  padding: 96px 48px;
  border-top: 1px solid var(--line);
  max-width: 1440px; margin: 0 auto; width: 100%;
}
.ins3-head { max-width: 720px; margin-bottom: 48px; display: flex; flex-direction: column; gap: 22px; }
.ins3-h {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(36px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.ins3-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 36px; align-items: start; }
.ins3-credits { display: flex; flex-direction: column; font-family: var(--font-mono); font-size: 12.5px; border-top: 1px solid var(--line); }
.ins3-credits .cr-row {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.ins3-credits .cr-row .k { color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.12em; font-size: 10.5px; align-self: center; }
.ins3-credits .cr-row .v { color: var(--ink); }
.ins3-credits .cr-row.hi .v { color: var(--pulse); }
.ins3-code { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-md); }
.ins3-code-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3);
}
.ins3-code-copy {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink-2); cursor: pointer;
}
.ins3-code pre {
  padding: 22px 18px;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7;
  color: var(--ink);
  margin: 0; white-space: pre-wrap;
}
.ins3-code-foot {
  border-top: 1px solid var(--line);
  padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--ink-2);
}

/* ── 6 · CLOSER ──────────────────────────────────────────── */
.cls3 {
  padding: 120px 48px 144px;
  border-top: 1px solid var(--line);
  max-width: 1440px; margin: 0 auto; width: 100%;
}
.cls3-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 32px;
}
.cls3-h {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}
.cls3-actions { margin-top: 36px; display: flex; gap: 10px; flex-wrap: wrap; }

/* ── footer ──────────────────────────────────────────────── */
.ft3 { border-top: 1px solid var(--line); }
.ft3-row {
  max-width: 1440px; margin: 0 auto;
  padding: 28px 48px 40px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.ft3-l { display: flex; align-items: baseline; gap: 14px; }
.ft3-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.ft3-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.ft3-r {
  display: flex; gap: 28px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-3);
}
.ft3-r span:hover { color: var(--ink); cursor: pointer; }

/* responsive */
@media (max-width: 1040px) {
  .mq3-inner { grid-template-columns: 1fr; }
  .cast3-wall { grid-template-columns: repeat(2, 1fr); }
  .sheet3-row { grid-template-columns: 1fr; }
  .ins3-grid { grid-template-columns: 1fr; gap: 24px; }
}