/* ============================================================
   keky — Lumen landing system (web)
   Gallery-bright. White/black ink, goods carry the only color.
   Mono technical labels, hairlines, corner marks, numbered rhythm.
   ============================================================ */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;800&family=Noto+Sans+SC:wght@400;500;700;800&display=swap');

:root {
  /* palette */
  --bg: #f5f5f3;
  --surf: #ffffff;
  --panel: #eeeeea;
  --ink: #0d0d0f;
  --graphite: #16161a;
  --sub: #6f6f76;
  --faint: #a4a4aa;
  --line: rgba(0,0,0,0.10);
  --hair: rgba(0,0,0,0.16);
  --accent: #6C5CF0;          /* tweakable — goods/AR accent */
  --accent-ink: #ffffff;
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);

  /* type — Pretendard throughout; --mono kept as an alias for label styling */
  --sans: 'Pretendard', 'Noto Sans JP', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'Pretendard', 'Noto Sans JP', 'Noto Sans SC', -apple-system, system-ui, sans-serif;

  /* metrics */
  --maxw: 1200px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 14px;
  --radius-sm: 9px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
:lang(ja), :lang(zh) { letter-spacing: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--accent); color: #fff; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.section { padding-block: clamp(64px, 9vw, 132px); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 88px); }
.section--surf { background: var(--surf); }
.section--ink { background: var(--graphite); color: #fff; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- mono technical label / eyebrow ---------- */
.tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}
.tag--ink { color: var(--ink); }
.tag--sub { color: var(--sub); }
.tag--accent { color: var(--accent); }
.tag--onink { color: rgba(255,255,255,0.62); }
.tag-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tag-row .bar { width: 1px; height: 11px; background: var(--hair); }
.section--ink .tag-row .bar { background: rgba(255,255,255,0.26); }

/* numbered index */
.idx { font-family: var(--mono); font-weight: 500; color: var(--accent); font-size: 12px; letter-spacing: 0.1em; }

/* ---------- type ---------- */
.display {
  font-weight: 800;
  font-size: clamp(33px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0;
}
.h1 { font-weight: 800; font-size: clamp(30px, 4.4vw, 52px); line-height: 1.06; letter-spacing: -0.03em; margin: 0; }
.h2 { font-weight: 800; font-size: clamp(24px, 3vw, 36px); line-height: 1.1; letter-spacing: -0.025em; margin: 0; }
.h3 { font-weight: 700; font-size: clamp(19px, 2vw, 23px); line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
.display, .h1, .h2, .h3 { text-wrap: balance; word-break: keep-all; }
.lead { font-size: clamp(17px, 1.5vw, 20px); line-height: 1.62; color: var(--sub); margin: 0; text-wrap: pretty; }
.body { font-size: 16px; line-height: 1.65; color: var(--sub); margin: 0; text-wrap: pretty; }
.small { font-size: 13.5px; line-height: 1.55; color: var(--sub); }
.section--ink .lead, .section--ink .body { color: rgba(255,255,255,0.66); }
.section--ink .small { color: rgba(255,255,255,0.5); }
strong { font-weight: 800; color: inherit; }
.u-accent { color: var(--accent); }
.section-head { max-width: 720px; }
.section-head .h1 { margin-top: 16px; }
.section-head .lead { margin-top: 20px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 52px; padding-inline: 26px; border-radius: 10px;
  font-family: var(--sans); font-size: 15.5px; font-weight: 700;
  letter-spacing: -0.01em; text-transform: none;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform .16s ease, background .16s ease, color .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.btn svg { width: 19px; height: 19px; }
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,0.18); }
.btn--accent { background: var(--accent); color: var(--accent-ink); }
.btn--accent:hover { transform: translateY(-2px); box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 42%, transparent); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--hair); }
.btn--outline:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--white { background: #fff; color: var(--ink); border-color: var(--hair); }
.btn--white:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(0,0,0,0.10); }
.btn--onink { background: #fff; color: var(--ink); }
.btn--onink:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,0,0,0.4); }
.btn--ghost-onink { background: transparent; color: #fff; border-color: rgba(255,255,255,0.28); }
.btn--ghost-onink:hover { border-color: #fff; }
.btn--sm { height: 44px; padding-inline: 20px; font-size: 14.5px; }
.btn--lg { height: 60px; padding-inline: 32px; font-size: 17px; }

/* ---------- corner marks (signature Lumen frame) ---------- */
.framed { position: relative; }
.framed > .mark { position: absolute; width: 18px; height: 18px; border: 0 solid var(--hair); z-index: 2; pointer-events: none; }
.mark.tl { top: 14px; left: 14px; border-top-width: 1px; border-left-width: 1px; }
.mark.tr { top: 14px; right: 14px; border-top-width: 1px; border-right-width: 1px; }
.mark.bl { bottom: 14px; left: 14px; border-bottom-width: 1px; border-left-width: 1px; }
.mark.br { bottom: 14px; right: 14px; border-bottom-width: 1px; border-right-width: 1px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.2) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 22px; height: 68px; }
.brand { font-weight: 800; font-size: 24px; letter-spacing: 0.01em; color: var(--ink); display: inline-flex; align-items: baseline; }
.brand .dot { color: var(--accent); }
.brand-logo { height: 22px; width: auto; display: block; }
.footer .brand-logo { filter: brightness(0) invert(1); }
.nav__links { display: flex; align-items: center; gap: 26px; margin-left: 18px; }
.nav__links a { font-size: 14.5px; font-weight: 600; color: var(--sub); transition: color .15s; white-space: nowrap; }
.nav__links a:hover { color: var(--ink); }
.nav__spacer { flex: 1; }
.nav__right { display: flex; align-items: center; gap: 14px; }

/* language switcher */
.lang {
  position: relative; display: inline-flex; align-items: center; gap: 7px;
  height: 38px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--hair);
  font-family: var(--mono); font-size: 11.5px; font-weight: 500; letter-spacing: 0.08em;
  color: var(--ink); background: transparent;
}
.lang:hover { border-color: var(--ink); }
.lang svg { width: 15px; height: 15px; }
.lang__menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 150px;
  background: var(--surf); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.12); padding: 6px; z-index: 70;
  display: none; flex-direction: column;
}
.lang__menu.open { display: flex; }
.lang__menu button {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: none; border: 0; border-radius: 7px; padding: 10px 12px;
  font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--ink); text-align: left;
}
.lang__menu button:hover { background: var(--panel); }
.lang__menu button .chk { color: var(--accent); opacity: 0; }
.lang__menu button[aria-current="true"] .chk { opacity: 1; }
.lang__menu button[aria-current="true"] { color: var(--accent); }

/* mobile menu button */
.nav__burger { display: none; width: 40px; height: 40px; border: 1px solid var(--hair); border-radius: 8px; background: transparent; align-items: center; justify-content: center; }
.nav__burger svg { width: 20px; height: 20px; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(40px, 6vw, 80px); padding-bottom: clamp(56px, 8vw, 120px); position: relative; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__copy { max-width: 600px; }
.hero .display { margin-top: 22px; }
.hero__sub { margin-top: 26px; max-width: 520px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; align-items: center; }
.hero__note { display: flex; align-items: center; gap: 8px; margin-top: 20px; }
.hero__note svg { width: 15px; height: 15px; color: var(--accent); }
.hero__visual { position: relative; }

/* layout B variant (centered) — toggled via data-hero on <body> */
body[data-hero="center"] .hero__grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
body[data-hero="center"] .hero__copy { max-width: 760px; margin-inline: auto; }
body[data-hero="center"] .hero__sub { margin-inline: auto; }
body[data-hero="center"] .hero__cta, body[data-hero="center"] .tag-row { justify-content: center; }
body[data-hero="center"] .hero__note { justify-content: center; }

/* ---------- AR viewer demo (built from standee) ---------- */
.arstage {
  position: relative; aspect-ratio: 3/4; width: 100%; max-width: 460px; margin-inline: auto;
  border-radius: 20px; overflow: hidden; border: 1px solid var(--line);
  background: radial-gradient(125% 100% at 62% 14%, #ffffff 0%, #ececea 55%, #e0e0dc 100%);
}
.arstage__standee { position: absolute; left: 50%; bottom: 6%; transform: translateX(-50%); height: 84%; width: auto; filter: drop-shadow(0 26px 34px rgba(0,0,0,0.22)); }
.arstage__glow { position: absolute; left: 50%; bottom: 8%; transform: translateX(-50%); width: 62%; aspect-ratio: 1.1/1; border-radius: 50%; background: radial-gradient(circle, var(--accent) 0%, transparent 66%); opacity: .26; filter: blur(26px); }
.arstage__chip {
  position: absolute; top: 16px; left: 16px; display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 12px; border-radius: 8px; background: rgba(255,255,255,0.82); backdrop-filter: blur(8px);
  border: 1px solid var(--hair); font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink);
}
.arstage__chip .live { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent);} 70%{box-shadow:0 0 0 8px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }
.arstage__spark { position: absolute; color: var(--accent); filter: drop-shadow(0 0 8px var(--accent)); }
.arstage__reticle { position: absolute; width: 22px; height: 22px; border: 2px solid var(--accent); }

/* ---------- image slot styling ----------
   The component hardcodes :host{height:160px}; an outer-doc rule overrides it
   so slots with inline width + aspect-ratio compute their own height.
   (Slots that set inline height:100% still win via inline specificity.) */
image-slot {
  --slot-bg: var(--panel);
  height: auto;
  border-radius: var(--radius);
  font-family: var(--mono) !important;
}

/* ---------- generic cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surf); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; position: relative; transition: border-color .18s, transform .18s, box-shadow .18s;
}
.card--hover:hover { border-color: var(--hair); transform: translateY(-3px); box-shadow: 0 16px 38px rgba(0,0,0,0.07); }
.card__num { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--accent); letter-spacing: 0.1em; }
.card .h3 { margin-top: 14px; }
.card .body { margin-top: 10px; }
.card__icon { width: 46px; height: 46px; border-radius: 11px; background: var(--graphite); display: flex; align-items: center; justify-content: center; color: #fff; }
.card__icon svg { width: 23px; height: 23px; }
.card__icon--accent { background: var(--accent); }

/* problem cards (quiet, quote-like) */
.problem { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.problem .card { padding: 32px; }
.problem .qmark { font-family: var(--mono); color: var(--faint); font-size: 13px; }
.problem h3 { margin-top: 14px; font-weight: 700; font-size: clamp(20px,2vw,24px); line-height: 1.32; letter-spacing: -0.02em; }

/* feature media row */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,64px); align-items: center; }
.feature__copy .h2 { font-size: clamp(22px, 2.5vw, 30px); }
.feature--rev .feature__media { order: 2; }
.feature__media { position: relative; }
.feature__list { margin: 24px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 16px; }
.feature__list li { display: flex; gap: 14px; align-items: center; }
.feature__list .ck { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.feature__list .ck svg { width: 21px; height: 21px; }
.feature__list li:has(small) { align-items: stretch; }
.feature__list li:has(small) .ck { width: 48px; height: auto; min-height: 48px; border-radius: 12px; }
.feature__list li:has(small) .ck svg { width: 23px; height: 23px; }
.feature__list span { font-size: 15.5px; color: var(--ink); font-weight: 600; }
.feature__list small { display: block; color: var(--sub); font-weight: 400; font-size: 13.5px; margin-top: 3px; line-height: 1.45; }
.section--ink .feature__list span { color: #fff; }
.section--ink .feature__list small { color: rgba(255,255,255,0.6); }

/* goods chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--hair); font-size: 14px; font-weight: 600; color: var(--ink); background: var(--surf); }
.chip svg { width: 15px; height: 15px; color: var(--accent); }

/* unity / content pipeline */
.pipe { display: flex; flex-direction: column; }
.pipe__node { background: var(--surf); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.pipe__tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 11px; }
.pipe__label { display: block; margin-top: 12px; font-size: 14px; font-weight: 700; color: var(--ink); }
.pipe__arrow { display: flex; justify-content: center; padding: 9px 0; color: var(--faint); }
.pipe__arrow svg { width: 22px; height: 22px; transform: rotate(90deg); }
.pipe__node--mid { display: flex; align-items: center; gap: 14px; background: var(--graphite); border-color: var(--graphite); }
.pipe__node--mid .pipe__label { color: #fff; margin-top: 0; }
.pipe__node--mid .pipe__tag { margin-bottom: 4px; }
.pipe__chip { width: 50px; height: 50px; border-radius: 12px; background: rgba(255,255,255,0.09); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.pipe__chip svg { width: 24px; height: 24px; color: #fff; }
.pipe__mini { position: relative; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: radial-gradient(125% 100% at 60% 12%, #fff 0%, #ececea 58%, #e0e0dc 100%); }
.pipe__mini img { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); height: 98%; width: auto; filter: drop-shadow(0 14px 18px rgba(0,0,0,0.22)); }
.pipe__mini .glow { position: absolute; left: 50%; bottom: 6%; transform: translateX(-50%); width: 46%; aspect-ratio: 1.2/1; border-radius: 50%; background: radial-gradient(circle, var(--accent) 0%, transparent 66%); opacity: .3; filter: blur(18px); }
.pipe__mini .sp { position: absolute; color: var(--accent); filter: drop-shadow(0 0 7px var(--accent)); }

/* steps (how to use) */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surf); }
.step { padding: 30px 26px; border-right: 1px solid var(--line); position: relative; }
.step:last-child { border-right: 0; }
.step__n { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }
.step .h3 { margin-top: 16px; font-size: 19px; }
.step .body { margin-top: 8px; font-size: 14.5px; }
.step__ico { margin-top: 20px; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; color: var(--ink); }
.step__ico svg { width: 21px; height: 21px; }

/* ---------- pricing ---------- */
.pricing { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; align-items: stretch; }
.plan {
  background: var(--surf); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column; position: relative;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.plan--feat { border-color: var(--accent); box-shadow: 0 18px 44px color-mix(in srgb, var(--accent) 16%, transparent); }
.plan--feat::before { content: attr(data-badge); position: absolute; top: -11px; left: 24px; background: var(--accent); color: #fff; font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 10px; border-radius: 6px; }
.plan__name { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sub); }
.plan--feat .plan__name { color: var(--accent); }
.plan__price { margin-top: 16px; font-weight: 800; font-size: 30px; letter-spacing: -0.03em; line-height: 1.1; }
.plan__price .per { font-size: 14px; font-weight: 600; color: var(--sub); letter-spacing: 0; }
.plan__tagline { margin-top: 10px; font-size: 13.5px; color: var(--sub); line-height: 1.5; min-height: 40px; }
.plan__save { display: inline-block; margin-top: 8px; font-size: 12px; font-weight: 700; color: var(--accent); }
.plan__cta { margin-top: 20px; }
.plan__cta .btn { width: 100%; }
.plan__feats { margin: 22px 0 0; padding: 22px 0 0; border-top: 1px solid var(--line); list-style: none; display: flex; flex-direction: column; gap: 11px; }
.plan__feats li { display: flex; gap: 10px; font-size: 13.5px; color: var(--ink); line-height: 1.4; }
.plan__feats li svg { flex-shrink: 0; width: 16px; height: 16px; color: var(--accent); margin-top: 2px; }
.plan__feats li.off { color: var(--faint); }
.plan__feats li.off svg { color: var(--faint); }
.plan__opts { margin-top: 16px; }
.plan__opts .lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); }
.plan__opts ul { margin: 10px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.plan__opts li { font-size: 12.5px; color: var(--sub); display: flex; gap: 8px; }
.plan__opts li::before { content: '+'; color: var(--accent); font-family: var(--mono); }

/* billing toggle */
.billing { display: inline-flex; align-items: center; gap: 12px; margin-top: 24px; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--surf); }
.billing button { border: 0; background: transparent; border-radius: 7px; padding: 9px 16px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sub); font-weight: 500; }
.billing button.active { background: var(--ink); color: #fff; }
.billing .save { color: var(--accent); }

/* ---------- contact form ---------- */
.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px,5vw,72px); align-items: start; }
.form { display: grid; gap: 16px; }
.form__row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sub); }
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: var(--surf); border: 1px solid var(--hair); border-radius: 9px;
  padding: 13px 14px; outline: none; transition: border-color .15s, box-shadow .15s; width: 100%;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.form__consent { display: flex; gap: 10px; align-items: flex-start; }
.form__consent input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); }
.form__consent label { font-size: 13px; color: var(--sub); }
.form__submitted { display: none; padding: 18px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14.5px; align-items: center; gap: 10px; }
.form__submitted svg { width: 20px; height: 20px; }
.form.sent .form__submitted { display: flex; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin-inline: auto; border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { width: 100%; background: none; border: 0; text-align: left; display: flex; align-items: center; gap: 18px; padding: 26px 4px; }
.faq__q .qn { font-family: var(--mono); font-size: 12px; color: var(--accent); flex-shrink: 0; }
.faq__q .qt { flex: 1; font-size: clamp(16px,1.7vw,19px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }
.faq__q .ic { flex-shrink: 0; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; color: var(--sub); transition: transform .25s; }
.faq__q .ic svg { width: 20px; height: 20px; }
.faq__item.open .faq__q .ic { transform: rotate(45deg); color: var(--accent); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__a-inner { padding: 0 44px 26px; color: var(--sub); font-size: 15.5px; line-height: 1.66; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band .glow { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 720px; height: 720px; border-radius: 50%; background: radial-gradient(circle, var(--accent) 0%, transparent 62%); opacity: .22; filter: blur(20px); pointer-events: none; }
.cta-band__inner { position: relative; text-align: center; max-width: 760px; margin-inline: auto; }
.cta-band .display { color: #fff; }
.cta-band .cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* ---------- footer ---------- */
.footer { background: var(--graphite); color: #fff; padding-block: 64px 40px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer .brand { color: #fff; }
.footer__about { color: rgba(255,255,255,0.55); font-size: 14px; line-height: 1.6; margin-top: 16px; max-width: 280px; }
.footer__col h4 { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.45); margin: 0 0 16px; font-weight: 500; }
.footer__col a { display: block; color: rgba(255,255,255,0.7); font-size: 14px; padding: 6px 0; transition: color .15s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12); flex-wrap: wrap; }
.footer__bottom .small { color: rgba(255,255,255,0.45); }

/* ---------- reveal-on-scroll (transform-only; opacity stays 1 so content is
   never hidden if transitions freeze / print / no-JS) ---------- */
.reveal { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: transform .6s cubic-bezier(.2,.7,.2,1); will-change: transform; }
  .reveal:not(.in) { transform: translateY(20px); }
}
@media (prefers-reduced-motion: reduce) { .reveal { transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- i18n visibility helper ---------- */
[data-lang-only] { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__copy { max-width: 640px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .pricing { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(1), .step:nth-child(2) { border-bottom: 1px solid var(--line); }
  .feature { grid-template-columns: 1fr; gap: 28px; }
  .feature--rev .feature__media { order: 0; }
  .contact { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .grid-2, .grid-3, .grid-4, .problem { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .step:last-child { border-bottom: 0; }
  .form__row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .hero__cta .btn, .cta-band .cta-row .btn { width: 100%; }
}

/* mobile nav drawer */
.mobile-menu { position: fixed; inset: 0; z-index: 80; background: var(--bg); transform: translateX(100%); transition: transform .3s ease; display: flex; flex-direction: column; padding: 22px var(--gut); }
.mobile-menu.open { transform: none; }
.mobile-menu__top { display: flex; align-items: center; justify-content: space-between; height: 46px; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; margin-top: 30px; }
.mobile-menu nav a { font-size: 22px; font-weight: 700; color: var(--ink); padding: 12px 0; border-bottom: 1px solid var(--line); }
.mobile-menu .btn { margin-top: 26px; }
.mobile-menu__close { width: 42px; height: 42px; border: 1px solid var(--hair); border-radius: 8px; background: transparent; display: flex; align-items: center; justify-content: center; }