/* ============================================================
   CHIBA SOUND STUDIO — Base / Components v1.0
   home / lp-utaite / lp-pro / styleguide 共通
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--ink-950);
}
body {
  margin: 0;
  background:
    radial-gradient(900px 560px at 82% 8%, rgba(124, 155, 255, .07), transparent 62%),
    radial-gradient(760px 520px at 18% 0%, rgba(255, 180, 84, .055), transparent 58%),
    linear-gradient(180deg, var(--ink-950), #070910 58%, var(--ink-950));
  color: var(--fog-1);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  line-height: 1.9;
  letter-spacing: .015em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; color: var(--fog-0); line-height: 1.32; letter-spacing: .01em; font-weight: 700; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--signal); color: var(--on-signal); }

:focus-visible {
  outline: 2px solid var(--phase);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }
.wrap--narrow { max-width: var(--max-narrow); }
.sec { padding: var(--sec-y) 0; position: relative; isolation: isolate; }
.sec--tight { padding: calc(var(--sec-y) * .62) 0; }
.sec--alt { background: var(--ink-900); }

/* ---------- Type roles ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--fog-2);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--signal);
  flex: none;
}
.eyebrow--center { justify-content: center; }
.eyebrow--center::after {
  content: ""; width: 26px; height: 1px; background: var(--signal); flex: none;
}

.h-display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
}
.h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
.h3 { font-size: var(--fs-h3); }
.lead { font-size: var(--fs-lead); color: var(--fog-1); max-width: 42em; }
.lead strong, .lead b { color: var(--fog-0); font-weight: 700; }
.mono { font-family: var(--font-mono); letter-spacing: .02em; }
.muted { color: var(--fog-2); }
.small { font-size: var(--fs-small); }
.micro { font-size: var(--fs-micro); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.mbr { display: none; }
em { font-style: normal; color: var(--signal); }
mark {
  background: linear-gradient(transparent 62%, var(--signal-dim) 62%);
  color: var(--fog-0);
  padding: 0 .1em;
}

/* ---------- Hz ruler (シグネチャ: 周波数の定規) ---------- */
.hz-rule {
  --tick: var(--fog-3);
  position: relative;
  height: 34px;
  margin: 0 auto;
  max-width: var(--max);
  padding: 0 var(--pad-x);
  user-select: none;
}
.hz-rule .hz-line {
  position: absolute; left: var(--pad-x); right: var(--pad-x); top: 16px;
  height: 1px; background: var(--line-strong);
}
.hz-rule .hz-line::before {
  /* サブ帯域だけ琥珀で塗る = ブランドの主張 */
  content: ""; position: absolute; left: 0; top: 0; height: 1px; width: 12%;
  background: linear-gradient(90deg, var(--signal), transparent);
  box-shadow: 0 0 12px rgba(255, 180, 84, .55);
}
.hz-rule i {
  position: absolute; top: 12px; width: 1px; height: 9px; background: var(--tick);
  font-style: normal;
}
.hz-rule i span {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; color: var(--fog-3);
  white-space: nowrap;
}
.hz-rule i:nth-child(2) { left: calc(var(--pad-x) + 0%); }
.hz-rule i:nth-child(3) { left: calc(var(--pad-x) + (100% - var(--pad-x) * 2) * .12); --tick: var(--signal); }
.hz-rule i:nth-child(4) { left: calc(var(--pad-x) + (100% - var(--pad-x) * 2) * .38); }
.hz-rule i:nth-child(5) { left: calc(var(--pad-x) + (100% - var(--pad-x) * 2) * .66); }
.hz-rule i:nth-child(6) { left: calc(var(--pad-x) + (100% - var(--pad-x) * 2) * 1); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--ink-950) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar__in {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x);
  height: 62px; display: flex; align-items: center; gap: 26px;
}
.brand { display: flex; align-items: center; gap: 11px; color: var(--fog-0); }
.brand svg { display: block; }
.brand__t { font-family: var(--font-display); font-weight: 800; font-size: .95rem; letter-spacing: .05em; line-height: 1.1; }
.brand__t,
.brand__t small { white-space: nowrap; }
.brand__t small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 9px; letter-spacing: .3em; color: var(--fog-2); margin-top: 3px; }
.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav a {
  padding: 8px 10px; border-radius: 8px; font-size: var(--fs-small); color: var(--fog-1);
  transition: color var(--dur-1), background var(--dur-1);
  white-space: nowrap;
  line-height: 1.2;
}
.topnav a:hover { color: var(--fog-0); background: var(--ink-800); }
.topbar .btn { margin-left: 8px; }
@media (max-width: 860px) {
  .topnav { display: none; }
  .topbar .btn { margin-left: auto; }
}
@media (max-width: 520px) {
  .mbr { display: block; }
  .topbar__in { gap: 12px; }
  .topbar .btn { display: none; }
  .brand__t { font-size: .82rem; }
  .brand__t small { font-size: 8px; letter-spacing: .22em; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--font-jp); font-weight: 700; font-size: .96rem; letter-spacing: .03em;
  transition: transform var(--dur-1) var(--ease-out), box-shadow var(--dur-1), background var(--dur-1), border-color var(--dur-1);
  white-space: nowrap;
}
.btn--signal {
  background: linear-gradient(180deg, var(--signal-strong), var(--signal));
  color: var(--on-signal);
  box-shadow: var(--shadow-signal);
}
.btn--signal:hover { transform: translateY(-2px); box-shadow: 0 14px 44px rgba(255,180,84,.4); }
.btn--ghost {
  border-color: var(--line-strong); color: var(--fog-0); background: transparent;
}
.btn--ghost:hover { border-color: var(--fog-2); background: var(--ink-800); transform: translateY(-2px); }
.btn--s { padding: 10px 20px; font-size: var(--fs-small); }
.btn--block { width: 100%; }
.btn .ar { font-family: var(--font-mono); font-weight: 500; transition: transform var(--dur-1); }
.btn:hover .ar { transform: translateX(3px); }
.btn__note { display: block; margin-top: 10px; font-size: var(--fs-micro); color: var(--fog-2); }

/* ---------- Chips / stat strip ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: var(--fs-small); color: var(--fog-1);
  background: color-mix(in srgb, var(--ink-800) 55%, transparent);
}
.chip b { color: var(--fog-0); font-weight: 700; }
.chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); flex: none; }

.stat-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden;
  background: var(--ink-900);
}
.stat-strip > div { padding: 20px 22px; border-left: 1px solid var(--line); }
.stat-strip > div:first-child { border-left: 0; }
.stat-strip .k {
  font-family: var(--font-mono); font-size: 1.3rem; font-weight: 600; color: var(--fog-0);
  display: block; letter-spacing: .01em;
}
.stat-strip .k em { color: var(--signal); }
.stat-strip .l { font-size: var(--fs-micro); color: var(--fog-2); letter-spacing: .08em; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: clamp(22px, 3vw, 34px);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-contact);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(135deg, var(--bevel-hi), transparent 22%),
    linear-gradient(315deg, rgba(0, 0, 0, .28), transparent 28%);
  opacity: .72;
}
.card::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 180, 84, .24), transparent);
  opacity: .7;
}
.card > * {
  position: relative;
  z-index: 1;
}
.grid { display: grid; gap: var(--gap); }
.grid > * { min-width: 0; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* ---------- A/B Player ---------- */
.ab {
  background:
    linear-gradient(135deg, rgba(255,255,255,.06), transparent 18%),
    radial-gradient(100% 90% at 18% 0%, rgba(124,155,255,.1), transparent 62%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border: 1px solid var(--line-strong);
  border-radius: var(--r-l);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-cast);
  position: relative;
  overflow: hidden;
}
.ab::before {
  content: "";
  position: absolute;
  inset: 10px 10px auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bevel-hi), transparent);
  opacity: .8;
}
.ab__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 6px; }
.ab__title { font-size: 1.05rem; color: var(--fog-0); font-weight: 700; }
.ab__tag { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--fog-2); letter-spacing: .14em; }
.ab__desc { font-size: var(--fs-small); color: var(--fog-2); margin: 0 0 18px; }
.ab__stage { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; }
@media (max-width: 620px) { .ab__stage { grid-template-columns: 1fr; } }

.ab__play {
  width: 74px; height: 74px; border-radius: 50%;
  border: 1px solid var(--line-strong);
  background:
    radial-gradient(circle at 32% 24%, rgba(255,255,255,.18), transparent 16%),
    radial-gradient(circle at 52% 58%, var(--ink-700), var(--ink-950));
  color: var(--fog-0);
  display: grid; place-items: center;
  box-shadow: 0 16px 28px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.08), inset 0 -10px 18px rgba(0,0,0,.35);
  transition: transform var(--dur-1) var(--ease-out), border-color var(--dur-1), box-shadow var(--dur-1);
}
.ab__play:hover { transform: scale(1.05); border-color: var(--signal); box-shadow: var(--shadow-signal); }
.ab__play svg { width: 24px; height: 24px; fill: currentColor; }
.ab__play .i-pause { display: none; }
.ab.is-playing .ab__play .i-play { display: none; }
.ab.is-playing .ab__play .i-pause { display: block; }

.ab__mid { min-width: 0; }
.ab__wave { width: 100%; height: 64px; display: block; border-radius: 8px; background: var(--ink-950); border: 1px solid var(--line); cursor: pointer; }
.ab__time { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--fog-3); margin-top: 7px; }

.ab__switch {
  margin-top: 18px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  background: var(--ink-950); border: 1px solid var(--line-strong);
  border-radius: 999px; padding: 6px; position: relative;
}
.ab__switch::before {
  content: ""; position: absolute; top: 6px; bottom: 6px; left: 6px;
  width: calc(50% - 9px); border-radius: 999px;
  background: linear-gradient(180deg, var(--signal-strong), var(--signal));
  transition: transform var(--dur-2) var(--ease-out);
  box-shadow: var(--shadow-signal);
}
.ab.is-b .ab__switch::before { transform: translateX(calc(100% + 6px)); }
.ab__switch button {
  position: relative; z-index: 1;
  background: none; border: 0; border-radius: 999px;
  padding: 12px 10px; font-weight: 700; font-size: var(--fs-small);
  color: var(--fog-2); transition: color var(--dur-1);
  letter-spacing: .04em;
}
.ab__switch button small { display: block; font-family: var(--font-mono); font-weight: 400; font-size: 10px; letter-spacing: .16em; opacity: .8; margin-top: 2px; }
.ab:not(.is-b) .ab__switch button:first-child,
.ab.is-b .ab__switch button:last-child { color: var(--on-signal); }
.ab__hint { text-align: center; font-size: var(--fs-micro); color: var(--fog-3); margin-top: 12px; }

/* ---------- Plan cards ---------- */
.plan {
  display: flex; flex-direction: column;
  background:
    linear-gradient(135deg, rgba(255,255,255,.065), transparent 20%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: 28px 26px 26px;
  box-shadow: var(--shadow-contact);
  overflow: hidden;
  transition: transform var(--dur-1) var(--ease-out), border-color var(--dur-1), box-shadow var(--dur-1);
}
.plan::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, rgba(255,180,84,.15), rgba(124,155,255,.14));
  opacity: .65;
}
.plan::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -7px;
  height: 14px;
  border-radius: 0 0 18px 18px;
  background: rgba(0,0,0,.42);
  filter: blur(11px);
  z-index: -1;
}
.plan:hover { transform: translateY(-6px) rotateX(1deg); border-color: var(--line-strong); box-shadow: var(--shadow-cast); }
.plan--reco { border-color: var(--signal); box-shadow: 0 0 0 1px var(--signal), var(--shadow-cast); }
.plan__flag {
  position: absolute; top: -13px; left: 24px;
  background: var(--signal); color: var(--on-signal);
  font-size: var(--fs-micro); font-weight: 700; letter-spacing: .1em;
  padding: 5px 12px; border-radius: 999px;
}
.plan { position: relative; }
.plan__name { font-size: 1.06rem; color: var(--fog-0); font-weight: 700; }
.plan__for { font-size: var(--fs-micro); color: var(--fog-2); margin: 4px 0 16px; min-height: 2.4em; }
.plan__price { font-family: var(--font-mono); color: var(--fog-0); font-size: 1.72rem; font-weight: 600; letter-spacing: -.01em; }
.plan__price small { font-size: .78rem; color: var(--fog-2); font-weight: 400; margin-left: 6px; }
.plan__usd { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--fog-3); margin-top: 2px; }
.plan__list { margin: 20px 0 22px; display: grid; gap: 9px; flex: 1; }
.plan__list li { display: flex; gap: 10px; font-size: var(--fs-small); color: var(--fog-1); }
.plan__list li::before { content: "＋"; color: var(--signal); font-family: var(--font-mono); flex: none; font-size: .8rem; line-height: 1.9; }
.plan__list li.na { color: var(--fog-3); }
.plan__list li.na::before { content: "－"; color: var(--fog-3); }
.plan__pay { font-size: var(--fs-micro); color: var(--fog-3); margin-top: 12px; text-align: center; }
.plan__actions { margin-top: 20px; display: grid; gap: 8px; }
.plan__actions .btn { width: 100%; }

/* 帯域カバレッジ・マイクロバー (プランの作業範囲を周波数の比喩で示す) */
.covbar { height: 6px; border-radius: 3px; background: var(--ink-950); border: 1px solid var(--line); position: relative; overflow: hidden; margin-top: 16px; }
.covbar i { position: absolute; inset: 0; border-radius: 3px; background: linear-gradient(90deg, var(--signal), var(--phase)); opacity: .9; }
.covbar + .covlabel { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 9px; color: var(--fog-3); letter-spacing: .1em; margin-top: 5px; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 14px; }
.step {
  counter-increment: step;
  display: grid; grid-template-columns: 64px 1fr auto; gap: 20px; align-items: center;
  background:
    linear-gradient(135deg, rgba(255,255,255,.052), transparent 22%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 20px 24px;
  box-shadow: var(--shadow-contact);
  position: relative;
  overflow: hidden;
}
.step::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--signal), transparent);
  opacity: .55;
}
.step::before {
  content: "0" counter(step);
  font-family: var(--font-mono); font-size: 1.5rem; font-weight: 600;
  color: var(--signal);
}
.step__t { color: var(--fog-0); font-weight: 700; }
.step__d { font-size: var(--fs-small); color: var(--fog-2); margin-top: 3px; }
.step__time { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--fog-2); border: 1px solid var(--line); padding: 6px 12px; border-radius: 999px; white-space: nowrap; }
@media (max-width: 640px) {
  .step { grid-template-columns: 46px 1fr; }
  .step__time { grid-column: 2; justify-self: start; }
}

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: baseline; gap: 16px;
  padding: 22px 4px; color: var(--fog-0); font-weight: 700;
  transition: color var(--dur-1);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; font-family: var(--font-mono); color: var(--signal); flex: none; }
.faq summary::after { content: "＋"; margin-left: auto; font-family: var(--font-mono); color: var(--fog-2); transition: transform var(--dur-1); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 4px 24px 34px; color: var(--fog-1); font-size: var(--fs-small); max-width: 62em; }

/* ---------- Paper (計測レポート面) ---------- */
.paper {
  background: var(--paper);
  color: var(--fog-1);
  position: relative;
}
.paper::before, .paper::after {
  /* ミシン目風の切り取り線: 「書類」であることの合図 */
  content: ""; position: absolute; left: 0; right: 0; height: 1px;
  background-image: linear-gradient(90deg, var(--paper-ink) 40%, transparent 40%);
  background-size: 10px 1px; opacity: .35;
}
.paper::before { top: 0; }
.paper::after { bottom: 0; }
.sheet {
  background: #FFFFFF;
  border: 1px solid var(--paper-line);
  border-radius: var(--r-s);
  box-shadow:
    7px 8px 0 rgba(20, 24, 31, .055),
    14px 16px 0 rgba(20, 24, 31, .035),
    0 24px 58px rgba(18, 22, 32, .18);
  position: relative;
  overflow: hidden;
}
.sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255,255,255,.7), transparent 24%),
    repeating-linear-gradient(0deg, transparent 0 25px, rgba(20,24,31,.018) 25px 26px);
}
.sheet > * {
  position: relative;
  z-index: 1;
}
.sheet__head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 26px; border-bottom: 1px solid var(--paper-line);
  font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .18em; color: var(--paper-mut);
}
.sheet__head b { color: var(--paper-ink); font-weight: 600; }
.sheet table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
.sheet th, .sheet td { text-align: left; padding: 14px 26px; border-top: 1px solid var(--paper-line); vertical-align: top; }
.sheet thead th { border-top: 0; font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: .14em; color: var(--paper-mut); font-weight: 500; }
.sheet td.num { font-family: var(--font-mono); }
.sheet .stamp {
  display: inline-block; transform: rotate(-4deg);
  border: 2px solid var(--signal-deep); color: var(--signal-deep);
  font-family: var(--font-mono); font-weight: 600; font-size: var(--fs-micro); letter-spacing: .2em;
  padding: 6px 12px; border-radius: 6px;
}

/* QC チェックリスト */
.qc { display: grid; gap: 0; }
.qc li { display: flex; gap: 14px; padding: 13px 26px; border-top: 1px solid var(--paper-line); font-size: var(--fs-small); color: #2C3340; }
.qc li:first-child { border-top: 0; }
.qc li::before {
  content: "✓"; font-family: var(--font-mono); font-weight: 700; color: var(--ok);
  width: 20px; height: 20px; border: 1px solid var(--paper-line); border-radius: 5px;
  display: grid; place-items: center; font-size: 11px; flex: none; margin-top: 2px;
  background: #fff;
}
.qc li span.hz { margin-left: auto; font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--paper-mut); white-space: nowrap; }

/* ---------- Compare table (LP-A プラン比較) ---------- */
.cmp {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: var(--ink-900);
  box-shadow: var(--shadow-contact);
}
.cmp table { border-collapse: collapse; width: 100%; min-width: 680px; font-size: var(--fs-small); }
.cmp th, .cmp td { padding: 13px 16px; border-top: 1px solid var(--line); text-align: center; }
.cmp thead th { border-top: 0; background: var(--ink-900); color: var(--fog-0); font-weight: 700; }
.cmp tbody th { text-align: left; color: var(--fog-2); font-weight: 500; background: var(--ink-900); white-space: nowrap; }
.cmp td { font-family: var(--font-mono); color: var(--fog-1); }
.cmp td .y { color: var(--signal); }
.cmp td .n { color: var(--fog-3); }
.cmp .reco-col { background: rgba(255, 180, 84, .05); }

/* ---------- Process / resource blocks ---------- */
.process-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.process-flow .card {
  min-height: 100%;
  background:
    linear-gradient(90deg, rgba(255,180,84,.12), transparent 3px),
    linear-gradient(135deg, rgba(255,255,255,.06), transparent 24%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
}
.process-k { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--signal); letter-spacing: .16em; margin: 0 0 10px; }
.resource-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; }
.resource-links a {
  display: flex; flex-direction: column; gap: 5px;
  border: 1px solid var(--line); border-radius: var(--r-m);
  padding: 16px 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.045), transparent 28%),
    var(--ink-900);
  box-shadow: var(--shadow-contact);
  transition: transform var(--dur-1) var(--ease-out), border-color var(--dur-1);
}
.resource-links a:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.resource-links b { color: var(--fog-0); font-size: var(--fs-small); }
.resource-links span { color: var(--fog-2); font-size: var(--fs-micro); font-family: var(--font-mono); letter-spacing: .08em; }
@media (max-width: 760px) {
  .process-flow, .resource-links { grid-template-columns: 1fr; }
}

/* ---------- Instrument-grade visual system ---------- */
.studio-console {
  position: relative;
  width: min(100%, 920px);
  margin: clamp(34px, 5vw, 58px) auto 0;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  padding: clamp(16px, 2.4vw, 26px);
  background:
    radial-gradient(120% 100% at var(--glare-x, 50%) var(--glare-y, 36%), rgba(255,255,255,.1), transparent 28%),
    radial-gradient(90% 80% at 24% 0%, rgba(255,180,84,.12), transparent 58%),
    linear-gradient(145deg, #1b2232, #090b11 72%);
  box-shadow: var(--shadow-cast), inset 0 1px 0 rgba(255,255,255,.08);
  transform:
    perspective(var(--scene-perspective))
    translate3d(var(--depth-x), var(--depth-y), 0)
    rotateX(calc(4deg + var(--tilt-y)))
    rotateY(calc(-3deg + var(--tilt-x)));
  transform-style: preserve-3d;
}
.studio-console::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 6%;
  bottom: -28px;
  height: 34px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.62), transparent 72%);
  filter: blur(14px);
  transform: translateZ(-80px);
}
.studio-console__top {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(14px, 2vw, 22px);
  align-items: stretch;
}
.studio-console__screen,
.studio-console__panel,
.studio-console__strip {
  border: 1px solid rgba(178,195,224,.18);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.055), transparent 25%),
    rgba(4,7,12,.72);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), inset 0 -18px 42px rgba(0,0,0,.32);
}
.studio-console__screen {
  min-height: clamp(170px, 23vw, 250px);
  padding: 18px;
  display: grid;
  align-content: stretch;
  gap: 12px;
  transform: translateZ(28px);
}
.studio-console__label {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--fog-3);
}
.studio-console__label b { color: var(--signal); font-weight: 600; }
.studio-console__scope {
  min-height: 112px;
  border: 1px solid rgba(178,195,224,.12);
  border-radius: 12px;
  background:
    repeating-linear-gradient(90deg, rgba(178,195,224,.08) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(0deg, rgba(178,195,224,.06) 0 1px, transparent 1px 26px),
    radial-gradient(80% 80% at 8% 80%, rgba(255,180,84,.11), transparent 58%);
  overflow: hidden;
}
.studio-console__scope canvas { width: 100%; height: 100%; min-height: 112px; display: block; }
.console-wave {
  display: grid;
  grid-template-columns: repeat(28, 1fr);
  gap: 3px;
  align-items: center;
  min-height: 34px;
}
.console-wave i {
  display: block;
  height: calc(8px + var(--h, 18) * 1px);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(163,185,255,.92), rgba(124,155,255,.28));
}
.studio-console__panel {
  padding: 18px;
  display: grid;
  gap: 16px;
  transform: translateZ(44px);
}
.vu-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.vu {
  position: relative;
  min-height: 112px;
  border: 1px solid rgba(255,180,84,.24);
  border-radius: 14px;
  background:
    radial-gradient(80% 60% at 50% 92%, rgba(255,180,84,.18), transparent 68%),
    linear-gradient(180deg, #151a24, #0b0e14);
  overflow: hidden;
}
.vu::before {
  content: "";
  position: absolute;
  left: 18%;
  right: 18%;
  bottom: 12px;
  height: 54px;
  border: 1px solid rgba(255,180,84,.28);
  border-bottom: 0;
  border-radius: 100px 100px 0 0;
}
.vu::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 13px;
  width: 2px;
  height: 54px;
  background: var(--signal);
  transform-origin: bottom;
  transform: rotate(var(--needle, -18deg));
  box-shadow: 0 0 16px rgba(255,180,84,.56);
}
.vu b {
  position: absolute;
  left: 12px;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fog-2);
  letter-spacing: .16em;
}
.vu:nth-child(2)::after { --needle: 22deg; }
.knob-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.knob {
  display: grid;
  gap: 6px;
  justify-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
  color: var(--fog-3);
}
.knob::before {
  content: "";
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(178,195,224,.22);
  background:
    linear-gradient(145deg, rgba(255,255,255,.16), transparent 28%),
    radial-gradient(circle at 50% 18%, rgba(255,180,84,.32), transparent 0 8%, transparent 9%),
    linear-gradient(160deg, #283040, #0b0e14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 10px 18px rgba(0,0,0,.32);
}
.studio-console__strip {
  margin-top: 14px;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 7px;
  transform: translateZ(18px);
}
.studio-console__strip span {
  height: 34px;
  border-radius: 8px;
  border: 1px solid rgba(178,195,224,.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,.09), transparent),
    linear-gradient(180deg, rgba(255,180,84,.18), rgba(124,155,255,.08));
}
.studio-console--compact { max-width: 640px; margin-top: 24px; }
.studio-console--compact .studio-console__top { grid-template-columns: 1fr; }
.studio-console--compact .studio-console__panel { display: none; }
.studio-console--compact .studio-console__screen { min-height: 138px; }
@media (max-width: 720px) {
  .studio-console {
    transform: none;
    border-radius: 20px;
  }
  .studio-console__top { grid-template-columns: 1fr; }
  .studio-console__panel { transform: none; }
  .studio-console__strip { grid-template-columns: repeat(6, 1fr); }
}

/* ---------- Email capture / lead magnets ---------- */
.capture-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(80% 120% at 18% 0%, rgba(255,180,84,.1), transparent 70%),
    radial-gradient(80% 120% at 88% 20%, rgba(124,155,255,.12), transparent 74%),
    var(--ink-900);
}
.capture-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, .7fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
}
.lead-assets { display: grid; gap: 14px; margin-top: 24px; }
.lead-asset {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background:
    linear-gradient(135deg, rgba(255,255,255,.055), transparent 26%),
    rgba(255,255,255,.035);
}
.lead-asset__icon {
  height: 74px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(0deg, rgba(178,195,224,.12) 0 1px, transparent 1px 12px),
    linear-gradient(145deg, rgba(255,180,84,.16), rgba(124,155,255,.12));
  display: grid;
  place-items: center;
  color: var(--signal);
  font-family: var(--font-mono);
  font-weight: 600;
}
.lead-asset h3 { font-size: 1.02rem; }
.lead-asset p { margin: 4px 0 0; color: var(--fog-2); font-size: var(--fs-small); }
.capture-form {
  border: 1px solid var(--line-strong);
  border-radius: var(--r-l);
  padding: clamp(22px, 3vw, 34px);
  background:
    linear-gradient(135deg, rgba(255,255,255,.07), transparent 24%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  box-shadow: var(--shadow-contact);
}
.capture-form .field { margin-bottom: 14px; }
.capture-form .form-done { margin: 12px 0 0; }
@media (max-width: 860px) {
  .capture-grid { grid-template-columns: 1fr; }
}

/* ---------- Package comparison UI ---------- */
.package-compare {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 34px;
}
.package-card {
  position: relative;
  min-height: 100%;
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background:
    linear-gradient(135deg, rgba(255,255,255,.06), transparent 24%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  box-shadow: var(--shadow-contact);
  overflow: hidden;
}
.package-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--phase);
  opacity: .7;
}
.package-card--featured {
  border-color: rgba(255,180,84,.46);
  box-shadow: var(--shadow-cast);
  transform: translateY(-8px);
}
.package-card--featured::before { background: linear-gradient(90deg, var(--signal), var(--phase)); opacity: 1; }
.package-card__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--fog-3);
}
.package-card__price {
  font-family: var(--font-mono);
  color: var(--fog-0);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.1;
}
.package-card__price small {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-micro);
  color: var(--fog-2);
}
.package-card ul { display: grid; gap: 9px; }
.package-card li {
  display: flex;
  gap: 10px;
  color: var(--fog-1);
  font-size: var(--fs-small);
}
.package-card li::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: none;
  margin-top: .65em;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 14px rgba(255,180,84,.5);
}
@media (max-width: 900px) {
  .package-compare { grid-template-columns: 1fr; }
  .package-card--featured { transform: none; }
}

/* ---------- Layered scroll process ---------- */
.process-stack {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 36px;
  perspective: var(--scene-perspective);
}
.process-stack__layer {
  position: sticky;
  top: 86px;
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 112px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background:
    linear-gradient(135deg, rgba(255,255,255,.07), transparent 28%),
    linear-gradient(180deg, var(--ink-850), var(--ink-900));
  box-shadow: var(--shadow-contact);
  transform: translateZ(var(--z, 0px)) translateY(var(--y, 0px));
}
.process-stack__layer:nth-child(1) { --z: 42px; --y: 0px; }
.process-stack__layer:nth-child(2) { --z: 26px; --y: 18px; }
.process-stack__layer:nth-child(3) { --z: 10px; --y: 36px; }
.process-stack__layer:nth-child(4) { --z: -6px; --y: 54px; }
.process-stack__layer .step {
  font-family: var(--font-mono);
  color: var(--signal);
  letter-spacing: .16em;
  font-size: var(--fs-micro);
}
.process-stack__layer h3 { font-size: 1.08rem; }
.process-stack__layer p { margin: 4px 0 0; color: var(--fog-2); font-size: var(--fs-small); }
.process-stack__chip {
  min-width: 104px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--fog-1);
}
@supports (animation-timeline: view()) {
  .process-stack__layer {
    animation: stackLift both linear;
    animation-timeline: view();
    animation-range: entry 0% cover 50%;
  }
  @keyframes stackLift {
    from { transform: translateZ(calc(var(--z, 0px) - 70px)) translateY(74px) rotateX(10deg); opacity: .42; }
    to { transform: translateZ(var(--z, 0px)) translateY(var(--y, 0px)) rotateX(0); opacity: 1; }
  }
}
@media (max-width: 760px) {
  .process-stack__layer {
    position: relative;
    top: auto;
    grid-template-columns: 1fr;
    transform: none;
  }
  .process-stack__chip { justify-self: start; }
}

/* ---------- Article service bridge ---------- */
.article-service-bridge {
  margin-top: 2rem;
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background:
    radial-gradient(90% 120% at 8% 0%, rgba(215,255,63,.12), transparent 62%),
    linear-gradient(135deg, rgba(255,255,255,.085), rgba(255,255,255,.04));
}
.article-service-bridge h2 { margin: 0 0 .5rem; }
.article-service-bridge p { color: var(--muted); max-width: 760px; }
.article-service-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
  margin-top: 16px;
}
.article-service-links a {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255,255,255,.055);
  color: inherit;
  text-decoration: none;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.article-service-links a:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow);
}
.article-service-links b { color: var(--text); }
.article-service-links span { color: var(--muted); font-size: .88rem; }
@media (max-width: 760px) {
  .article-service-links { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 54px 0 110px; background: var(--ink-950); }
.footer__in { display: flex; flex-wrap: wrap; gap: 26px; align-items: center; justify-content: space-between; }
.footer small { color: var(--fog-3); font-size: var(--fs-micro); }
.footer nav { display: flex; flex-wrap: wrap; gap: 18px; font-size: var(--fs-small); color: var(--fog-2); }
.footer nav a:hover { color: var(--fog-0); }

/* ---------- Sticky mobile CTA ---------- */
.mcta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  display: none;
  padding: 10px max(14px, env(safe-area-inset-left)) max(12px, env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--ink-950) 88%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  gap: 10px;
}
.mcta .btn { flex: 1; padding: 14px 10px; font-size: .9rem; }
@media (max-width: 760px) { .mcta { display: flex; } .footer { padding-bottom: 150px; } }
@media (max-width: 520px) {
  .mcta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .mcta .btn {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.25;
    min-height: 54px;
    padding-inline: 8px;
    font-size: .82rem;
    text-align: center;
  }
}

/* ---------- Reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out); }
.rv.is-in { opacity: 1; transform: none; }
.rv[data-d="1"] { transition-delay: 90ms; }
.rv[data-d="2"] { transition-delay: 180ms; }
.rv[data-d="3"] { transition-delay: 270ms; }

/* ---------- Spatial interaction primitives ---------- */
[data-depth-card] {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  --depth-x: 0px;
  --depth-y: 0px;
  --glare-x: 50%;
  --glare-y: 50%;
  transform-style: preserve-3d;
  will-change: transform;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
  [data-depth-card] {
    --tilt-x: 0deg;
    --tilt-y: 0deg;
    --depth-x: 0px;
    --depth-y: 0px;
  }
}

/* ---------- Print sanity ---------- */
@media print {
  .topbar, .mcta, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}