/* ════════════════════════════════════════════════════════════
   ASKII — styles  ( •_•)>⌐■-■ (⌐■_■)
   retro-terminal meets modern VS Code dark theme
   ════════════════════════════════════════════════════════════ */

:root {
  /* surfaces */
  --bg:        #161616;
  --bg-2:      #1e1e1e;   /* VS Code editor */
  --bg-3:      #242424;
  --panel:     #1a1a1a;
  --line:      #2e2e2e;
  --line-2:    #3a3a3a;

  /* text */
  --fg:        #e8e8ea;
  --fg-dim:    #a8a8b0;
  --fg-faint:  #6c6c78;

  /* accents */
  --cyan:      #00e5ff;
  --magenta:   #ff3df0;
  --amber:     #ffab00;
  --green:     #3ddc84;
  --red:       #ff5c66;

  --cyan-soft:    rgba(0, 229, 255, 0.14);
  --magenta-soft: rgba(255, 61, 240, 0.14);
  --amber-soft:   rgba(255, 171, 0, 0.14);

  /* type */
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --nav-h: 68px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* subtle grid + glow backdrop */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(680px 480px at 12% -8%, var(--cyan-soft), transparent 60%),
    radial-gradient(720px 520px at 100% 4%, var(--magenta-soft), transparent 60%),
    linear-gradient(180deg, #181818, var(--bg) 40%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.18;
  mask-image: radial-gradient(circle at 50% 18%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 18%, #000 0%, transparent 72%);
}

a { color: inherit; text-decoration: none; }
em { color: var(--fg); font-style: normal; font-weight: 600; }

code, kbd, .mono { font-family: var(--mono); }

::selection { background: var(--magenta); color: #1a001a; }

/* ── floating kaomoji background ── */
.kaomoji-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.kaomoji-field span {
  position: absolute;
  font-family: var(--mono);
  color: var(--fg);
  opacity: 0;
  white-space: nowrap;
  user-select: none;
  animation: floatUp linear infinite;
  will-change: transform, opacity;
}
@keyframes floatUp {
  0%   { transform: translateY(20vh) translateX(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 0.10; }
  90%  { opacity: 0.10; }
  100% { transform: translateY(-110vh) translateX(var(--drift, 20px)) rotate(8deg); opacity: 0; }
}

/* ════ buttons ════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7em 1.3em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  color: #0a0a12;
  box-shadow: 0 6px 22px -6px rgba(0, 229, 255, 0.5);
}
.btn--primary:hover { box-shadow: 0 10px 30px -6px rgba(255, 61, 240, 0.55); transform: translateY(-2px); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line-2);
  color: var(--fg);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn--lg { font-size: 1.05rem; padding: 0.85em 1.7em; }
.btn--block { width: 100%; justify-content: center; }

kbd {
  font-family: var(--mono);
  font-size: 0.78em;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 0.12em 0.5em;
  color: var(--fg-dim);
}

/* ════ NAV ════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(22, 22, 22, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); background: rgba(22, 22, 22, 0.86); }
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand__face { font-family: var(--mono); color: var(--cyan); font-size: 1.05rem; }
.brand__name { letter-spacing: 0.06em; font-size: 1.15rem; }

.nav__links { display: flex; align-items: center; gap: 26px; }
.nav__links > a:not(.btn):not(.nav__gh) {
  color: var(--fg-dim);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.2s;
}
.nav__links > a:not(.btn):not(.nav__gh):hover { color: var(--fg); }
.nav__links > a:not(.btn):not(.nav__gh)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  transition: right 0.25s ease;
}
.nav__links > a:not(.btn):not(.nav__gh):hover::after { right: 0; }
.nav__links > a:not(.btn):not(.nav__gh).is-active { color: var(--fg); }
.nav__links > a:not(.btn):not(.nav__gh).is-active::after { right: 0; }
.nav__gh { display: inline-flex; align-items: center; gap: 7px; color: var(--fg-dim); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
.nav__gh:hover { color: var(--fg); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav__toggle span { width: 24px; height: 2px; background: var(--fg); border-radius: 2px; transition: 0.25s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ════ HERO ════ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 64px) 24px 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero__inner { max-width: 620px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.8rem; color: var(--fg-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 26px;
  transition: border-color 0.2s, color 0.2s;
}
.hero__badge:hover { border-color: var(--cyan); color: var(--fg); }
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero__badge .arrow { color: var(--cyan); }

.hero__face {
  font-family: var(--mono);
  font-size: clamp(1.25rem, 3.4vw, 2.1rem);
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 22px;
  text-shadow: 0 0 26px rgba(255, 171, 0, 0.35);
  white-space: nowrap;
}
.hero__face-part { display: inline-block; }
.hero__face-part.p2 { color: var(--fg); animation: glideShade 4.5s ease-in-out infinite; }
.hero__face-part.p3 { color: var(--cyan); }
@keyframes glideShade {
  0%, 100% { transform: translateX(0); }
  45%      { transform: translateX(6px); }
}

.hero__title {
  font-size: clamp(2.4rem, 5.4vw, 4rem);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
}
.grad {
  background: linear-gradient(120deg, var(--cyan), var(--magenta) 60%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub { font-size: 1.12rem; color: var(--fg-dim); max-width: 560px; margin-bottom: 32px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 0.85rem; color: var(--fg-faint);
}
.hero__meta b { color: var(--fg); }
.hero__meta .sep { color: var(--line-2); }

/* ── terminal mockup ── */
.term {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255,255,255,0.02);
}
.hero__terminal { animation: rise 0.8s cubic-bezier(.2,.7,.2,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.term__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px;
  background: linear-gradient(180deg, #2a2a2a, #232323);
  border-bottom: 1px solid var(--line);
}
.term__dot { width: 12px; height: 12px; border-radius: 50%; }
.term__dot.r { background: #ff5f57; }
.term__dot.y { background: #febc2e; }
.term__dot.g { background: #28c840; }
.term__title { margin-left: 8px; font-family: var(--mono); font-size: 0.78rem; color: var(--fg-faint); }
.term__face { margin-left: auto; font-family: var(--mono); color: var(--cyan); font-size: 0.85rem; }
.term__body {
  padding: 18px 18px 20px;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.85;
  min-height: 280px;
}
.term__body .line { white-space: pre-wrap; word-break: break-word; }
.term__body .line.muted { color: var(--fg-faint); }
.term__body .prompt { color: var(--green); }
.term__body .cmd { color: var(--fg); }
.term__body .ok { color: var(--green); }
.term__body .warn { color: var(--amber); }
.term__body .accent { color: var(--cyan); }
.term__body .line.hidden { display: none; }
.caret {
  display: inline-block; width: 9px; height: 1.05em;
  background: var(--cyan); vertical-align: text-bottom;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ════ MARQUEE ════ */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  padding: 16px 0;
  margin-top: 24px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track { display: inline-flex; gap: 48px; white-space: nowrap; animation: scroll 28s linear infinite; }
.marquee__track span { font-family: var(--mono); font-size: 1.15rem; color: var(--fg-faint); }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ════ SECTIONS ════ */
.section { max-width: var(--maxw); margin: 0 auto; padding: 96px 24px; }
.section--alt {
  max-width: none;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.28) 12%, rgba(0,0,0,0.28) 88%, transparent);
  border-block: 1px solid var(--line);
}
.section--alt > * { max-width: var(--maxw); margin-inline: auto; }

.divider { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 20px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent); }
.divider__kao { font-family: var(--mono); color: var(--fg-faint); font-size: 1.1rem; white-space: nowrap; }

.section__head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow { font-family: var(--mono); color: var(--cyan); font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 14px; }
.section__head h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.12; }
.lead { color: var(--fg-dim); font-size: 1.08rem; margin-top: 16px; }

/* ════ GRIDS ════ */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--modes { grid-template-columns: repeat(3, 1fr); }
.grid--providers { grid-template-columns: repeat(3, 1fr); }
.grid--pricing { grid-template-columns: repeat(3, 1fr); align-items: stretch; }

/* ── feature card ── */
.card {
  background: linear-gradient(180deg, var(--panel), #141414);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 24px 50px -28px rgba(0,0,0,0.9); }
.card__kao { font-family: var(--mono); color: var(--amber); font-size: 1.25rem; display: block; margin-bottom: 16px; }
.card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.card p { color: var(--fg-dim); font-size: 0.96rem; }
.card kbd { margin-top: 2px; }

/* ── mode card ── */
.mode {
  position: relative;
  background: linear-gradient(180deg, var(--panel), #141414);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.mode::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--c, var(--cyan)); opacity: 0.85;
}
.mode:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--c) 50%, var(--line)); }
.mode__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mode__kao { font-family: var(--mono); font-size: 1.4rem; color: var(--c, var(--cyan)); }
.mode__key { display: inline-flex; gap: 4px; }
.mode h3 { font-size: 1.25rem; margin-bottom: 8px; }
.mode p { color: var(--fg-dim); font-size: 0.95rem; }
.mode code { color: var(--amber); font-size: 0.85em; background: var(--amber-soft); padding: 0.05em 0.35em; border-radius: 5px; }
.mode--cta {
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; gap: 14px;
  background: linear-gradient(150deg, rgba(0,229,255,0.08), rgba(255,61,240,0.08));
  border-color: var(--line-2);
}
.mode--cta::before { display: none; }
.mode--cta .mode__kao.big { font-size: 1.5rem; color: var(--amber); line-height: 1.5; }
.mode--cta h3 { font-size: 1.5rem; }
.mode--cta p { margin-bottom: 6px; }

/* ── provider card ── */
.provider {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.25s, border-color 0.25s;
}
.provider:hover { transform: translateY(-4px); border-color: var(--line-2); }
.provider h3 { font-size: 1.2rem; margin: 14px 0 8px; }
.provider p { color: var(--fg-dim); font-size: 0.92rem; min-height: 2.6em; }
.provider code { display: inline-block; margin-top: 12px; font-size: 0.82rem; color: var(--cyan); background: var(--cyan-soft); padding: 0.25em 0.7em; border-radius: 7px; }
.provider__tag {
  display: inline-block; font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  padding: 0.2em 0.7em; border-radius: 999px; letter-spacing: 0.02em;
}
.tag--free { background: rgba(61,220,132,0.14); color: var(--green); }
.tag--sub  { background: var(--magenta-soft); color: var(--magenta); }
.tag--key  { background: rgba(255,255,255,0.06); color: var(--fg-dim); }
.tag--star { background: var(--amber-soft); color: var(--amber); }
.provider--featured { border-color: color-mix(in srgb, var(--amber) 40%, var(--line)); box-shadow: 0 0 0 1px var(--amber-soft), 0 20px 50px -30px rgba(255,171,0,0.4); }

/* ════ CLI ════ */
.cli { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cli__copy h2 { font-size: clamp(1.8rem, 3.6vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 6px; }
.checklist { list-style: none; margin-top: 24px; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 30px; color: var(--fg-dim); }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--green); font-weight: 700;
  width: 20px; height: 20px; display: inline-grid; place-items: center;
  background: rgba(61,220,132,0.12); border-radius: 6px; font-size: 0.8rem;
}
.checklist code { color: var(--cyan); font-size: 0.88em; }

/* ════ PRICING ════ */
.price {
  position: relative;
  background: linear-gradient(180deg, var(--panel), #141414);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex; flex-direction: column;
  transition: transform 0.25s, border-color 0.25s;
}
.price:hover { transform: translateY(-4px); border-color: var(--line-2); }
.price__kao { font-family: var(--mono); color: var(--amber); font-size: 1.3rem; margin-bottom: 14px; }
.price h3 { font-size: 1.3rem; }
.price__tag { display: flex; align-items: baseline; gap: 8px; margin: 14px 0 6px; }
.price__tag .amt { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.02em; }
.price__tag .per { color: var(--fg-faint); font-size: 0.9rem; }
.price__desc { color: var(--fg-dim); font-size: 0.95rem; min-height: 2.8em; }
.price__list { list-style: none; margin: 22px 0; display: grid; gap: 11px; flex: 1; }
.price__list li { color: var(--fg-dim); font-size: 0.94rem; }
.price--featured {
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--line));
  box-shadow: 0 0 0 1px var(--cyan-soft), 0 30px 70px -34px rgba(0,229,255,0.45);
  transform: translateY(-8px);
  overflow: hidden;
}
.price--featured:hover { transform: translateY(-12px); }
.price__ribbon {
  position: absolute; top: 36px; right: -50px;
  transform: rotate(45deg);
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  color: #0a0a12; font-size: 0.7rem; font-weight: 700;
  padding: 8px 0; letter-spacing: 0.06em;
  width: 200px; text-align: center;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.pricing__note { text-align: center; color: var(--fg-faint); font-family: var(--mono); font-size: 0.82rem; margin-top: 26px; }

/* ════ CONTACT ════ */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact__copy h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.14; }
.contact__list { margin-top: 22px; }
.contact__alt { margin-top: 22px; color: var(--fg-dim); font-size: 0.95rem; }
.contact__alt a { color: var(--cyan); border-bottom: 1px solid color-mix(in srgb, var(--cyan) 40%, transparent); }
.contact__alt a:hover { border-bottom-color: var(--cyan); }

.contact__form {
  background: linear-gradient(180deg, var(--panel), #141414);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: grid;
  gap: 16px;
}
.field { display: grid; gap: 7px; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--fg-dim); }
.field input,
.field textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  padding: 0.7em 0.9em;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.field textarea { min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--fg-faint); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-soft);
}
.field input:user-invalid,
.field textarea:user-invalid { border-color: var(--red); }

.contact__form altcha-widget {
  --altcha-border-width: 1px;
  --altcha-border-radius: var(--radius-sm);
  --altcha-color-border: var(--line-2);
  --altcha-color-base: var(--bg);
  --altcha-color-text: var(--fg-dim);
  --altcha-color-border-focus: var(--cyan);
  --altcha-max-width: 100%;
  display: block;
}

.contact__status {
  font-family: var(--mono);
  font-size: 0.88rem;
  min-height: 1.4em;
  margin-top: 2px;
}
.contact__status[data-kind="ok"]  { color: var(--green); }
.contact__status[data-kind="err"] { color: var(--red); }

/* ════ INSTALL ════ */
.install { padding-top: 40px; }
.install__card {
  text-align: center;
  max-width: 760px; margin: 0 auto;
  background: linear-gradient(160deg, rgba(0,229,255,0.07), rgba(255,61,240,0.07));
  border: 1px solid var(--line-2);
  border-radius: 24px;
  padding: 56px 32px;
  position: relative;
  overflow: hidden;
}
.install__card::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(500px 240px at 50% 0%, rgba(255,171,0,0.12), transparent 70%);
}
.install__card > * { position: relative; z-index: 1; }
.install__face { font-family: var(--mono); color: var(--amber); font-size: clamp(1.1rem, 3vw, 1.7rem); display: block; margin-bottom: 18px; text-shadow: 0 0 24px rgba(255,171,0,0.35); }
.install__card h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; }
.install__card > p { color: var(--fg-dim); max-width: 520px; margin: 14px auto 28px; }

.install__tabs { display: inline-flex; gap: 4px; background: var(--bg-3); border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin-bottom: 16px; }
.install__tab { font-family: var(--sans); font-weight: 600; font-size: 0.9rem; color: var(--fg-dim); background: none; border: none; cursor: pointer; padding: 0.5em 1.3em; border-radius: 999px; transition: 0.2s; }
.install__tab.is-active { background: var(--bg); color: var(--fg); box-shadow: 0 1px 0 var(--line-2); }

.install__panels { max-width: 460px; margin: 0 auto 28px; }
.copybox {
  display: none; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--bg); border: 1px solid var(--line-2); border-radius: 12px;
  padding: 6px 6px 6px 18px;
}
.copybox.is-active { display: flex; }
.copybox code { font-family: var(--mono); color: var(--cyan); font-size: 0.95rem; }
.copybox__btn {
  font-family: var(--sans); font-weight: 600; font-size: 0.85rem;
  background: rgba(255,255,255,0.05); border: 1px solid var(--line-2); color: var(--fg);
  padding: 0.55em 1.1em; border-radius: 8px; cursor: pointer; transition: 0.2s; flex-shrink: 0;
}
.copybox__btn:hover { border-color: var(--cyan); color: var(--cyan); }
.copybox__btn.copied { background: var(--green); color: #06210f; border-color: var(--green); }
.install__links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ════ FOOTER ════ */
.footer { background: rgba(0,0,0,0.3); margin-top: 40px; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 56px 24px 32px;
  display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px;
}
.footer__brand .brand__face { font-size: 1.3rem; }
.footer__brand { display: grid; gap: 8px; align-content: start; }
.footer__brand .brand__name { font-size: 1.3rem; font-weight: 800; letter-spacing: 0.06em; }
.footer__brand p { color: var(--fg-faint); font-size: 0.92rem; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer__cols h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-faint); margin-bottom: 14px; }
.footer__cols a { display: block; color: var(--fg-dim); font-size: 0.93rem; padding: 4px 0; transition: color 0.2s; }
.footer__cols a:hover { color: var(--cyan); }
.footer__bottom {
  max-width: var(--maxw); margin: 0 auto; padding: 22px 24px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  color: var(--fg-faint); font-size: 0.85rem;
}
.footer__bottom a { color: var(--cyan); }
.footer__kao { font-family: var(--mono); color: var(--magenta); }
.footer__legal { font-family: var(--mono); }

/* ════ back to top ════ */
.totop {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 0.82rem; color: var(--fg);
  background: var(--bg-3); border: 1px solid var(--line-2); border-radius: 999px;
  padding: 0.55em 1em; cursor: pointer;
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, border-color 0.2s, color 0.2s;
}
.totop.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.totop:hover { border-color: var(--cyan); color: var(--cyan); }
.totop span { color: var(--fg-faint); }

/* ════ reveal-on-scroll ════ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }

/* ════ LEGAL PAGES (privacy / terms) ════ */
.legal-nav { position: sticky; top: 0; z-index: 100; background: rgba(22,22,22,0.86); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.legal-nav__inner { max-width: 860px; margin: 0 auto; padding: 15px 24px; display: flex; align-items: center; justify-content: space-between; }
.legal-nav .back { color: var(--fg-dim); font-size: 0.9rem; font-weight: 500; }
.legal-nav .back:hover { color: var(--cyan); }
.legal { max-width: 860px; margin: 0 auto; padding: 52px 24px 88px; }
.legal__face { font-family: var(--mono); color: var(--amber); font-size: 1.1rem; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 800; letter-spacing: -0.02em; margin: 10px 0 6px; }
.legal__updated { color: var(--fg-faint); font-family: var(--mono); font-size: 0.85rem; }
.legal__note {
  background: var(--amber-soft);
  border: 1px solid color-mix(in srgb, var(--amber) 30%, var(--line));
  border-radius: var(--radius-sm);
  padding: 14px 16px; color: var(--fg-dim); font-size: 0.9rem; margin: 26px 0 34px;
}
.legal h2 { font-size: 1.3rem; margin: 38px 0 12px; }
.legal h2 .n { color: var(--cyan); font-family: var(--mono); margin-right: 10px; }
.legal p, .legal li { color: var(--fg-dim); }
.legal p { margin: 12px 0; }
.legal ul { margin: 12px 0; padding-left: 22px; display: grid; gap: 8px; }
.legal a { color: var(--cyan); }
.legal a:hover { text-decoration: underline; }
.legal strong { color: var(--fg); }
.legal__foot { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 22px; color: var(--fg-faint); font-size: 0.85rem; display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; }
.legal__foot a { color: var(--cyan); }

/* ════ 404 ════ */
.nf { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 40px 24px; }
.nf__face { font-family: var(--mono); color: var(--amber); font-size: clamp(1.6rem, 7vw, 3.2rem); text-shadow: 0 0 30px rgba(255,171,0,0.35); margin-bottom: 18px; }
.nf__code { font-family: var(--mono); font-size: 0.95rem; color: var(--magenta); letter-spacing: 0.25em; }
.nf h1 { font-size: clamp(2rem, 6vw, 3rem); font-weight: 800; margin: 10px 0 12px; }
.nf p { color: var(--fg-dim); max-width: 440px; margin: 0 auto 26px; }

/* ════ RESPONSIVE ════ */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: calc(var(--nav-h) + 40px); }
  .hero__inner { max-width: none; }
  .cli { grid-template-columns: 1fr; gap: 32px; }
  .contact { grid-template-columns: 1fr; gap: 32px; }
  .grid--3, .grid--modes, .grid--providers, .grid--pricing { grid-template-columns: repeat(2, 1fr); }
  .price--featured { transform: none; }
  .price--featured:hover { transform: translateY(-4px); }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(20,20,20,0.98); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px;
    transform: translateY(-120%); transition: transform 0.3s ease;
  }
  .nav__links.is-open { transform: none; }
  .nav__links > a { padding: 12px 4px; }
  .nav__links > a:not(.btn):not(.nav__gh)::after { display: none; }
  .nav__cta { text-align: center; margin-top: 8px; }
  .nav__toggle { display: flex; }

  .section { padding: 64px 20px; }
  .grid--3, .grid--modes, .grid--providers, .grid--pricing { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .hero__meta { font-size: 0.78rem; gap: 8px; }
  .install__card { padding: 40px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .kaomoji-field { display: none; }
}