/* AkylAI — akylai.net
   Layout: AI dev night family. Hero = moon with a live chat in front of it; signature section = "one night of the agent" timeline 22:00 → 08:00 */
:root {
  --bg: #0E1015; --bg-2: #141720; --bg-3: #1B1F2A;
  --fg: #E8EBF0; --fg-2: #B3B9C5; --muted: #7E8596;
  --line: rgba(214, 222, 236, .10); --line-2: rgba(214, 222, 236, .20);
  --accent: #C4D1E8; --glow: rgba(190, 208, 240, .17);
  --moon: #EFECE3; --moon-shade: #CBC6B8; --crater: rgba(118, 112, 98, .38);
  --earthshine: .9;
  --star: 232, 236, 244; --star-k: 1;
  --btn-bg: #E8EBF0; --btn-fg: #0E1015;
  --logo-fill: #E8EBF0; --logo-stroke: transparent; --logo-crater: 0; --logo-shift: 9px; --logo-shift-s: 3.5px; --moon-on: 0; --fold: #0E1015; --crater-s: rgba(118, 112, 98, .55);
  --hero-shift: 112px;
  --ok: #6CC79A;
  --f-display: "Unbounded", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Onest", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --r: 18px; --maxw: 1180px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #E9ECF0; --bg-2: #F2F4F7; --bg-3: #F8F9FB;
    --fg: #161A22; --fg-2: #3D4351; --muted: #646B7B;
    --line: rgba(22, 26, 34, .10); --line-2: rgba(22, 26, 34, .20);
    --accent: #3A4F75; --glow: rgba(120, 140, 180, .22);
    --moon: #F7F5EE; --moon-shade: #D6D1C3; --crater: rgba(110, 104, 90, .24);
    --star: 44, 54, 74; --star-k: .45;
    --btn-bg: #161A22; --btn-fg: #EEF0F3;
    --logo-fill: #F7F5EE; --logo-stroke: #161A22; --logo-crater: 1; --logo-shift: 40px; --logo-shift-s: 16px; --moon-on: 1; --fold: #161A22; --crater-s: rgba(110, 104, 90, .42);
    --hero-shift: 420px; --ok: #2E8A5C;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #E9ECF0; --bg-2: #F2F4F7; --bg-3: #F8F9FB;
  --fg: #161A22; --fg-2: #3D4351; --muted: #646B7B;
  --line: rgba(22, 26, 34, .10); --line-2: rgba(22, 26, 34, .20);
  --accent: #3A4F75; --glow: rgba(120, 140, 180, .22);
  --moon: #F7F5EE; --moon-shade: #D6D1C3; --crater: rgba(110, 104, 90, .24);
  --star: 44, 54, 74; --star-k: .45;
  --btn-bg: #161A22; --btn-fg: #EEF0F3;
  --logo-fill: #F7F5EE; --logo-stroke: #161A22; --logo-crater: 1; --logo-shift: 40px; --logo-shift-s: 16px; --moon-on: 1; --fold: #161A22; --crater-s: rgba(110, 104, 90, .42);
  --hero-shift: 420px; --ok: #2E8A5C;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--f-body); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
  transition: background-color .6s ease, color .6s ease;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
a { color: inherit; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
#sky { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.page { position: relative; z-index: 1; }
.wrap {
  max-width: calc(var(--maxw) + 64px); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

h1, h2, h3 { font-family: var(--f-display); font-weight: 400; letter-spacing: -.02em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(32px, 5.4vw, 62px); line-height: 1.06; font-weight: 300; }
h2 { font-size: clamp(26px, 3.6vw, 42px); line-height: 1.12; font-weight: 300; }
h1 em, h2 em { font-style: normal; color: var(--accent); }
h3 { font-size: 17px; line-height: 1.3; font-weight: 500; letter-spacing: -.01em; }
p { margin: 0; }
.eyebrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--line-2); }
.lead { font-size: clamp(16px, 1.6vw, 18px); color: var(--fg-2); max-width: 60ch; }
.sec { padding-block: clamp(72px, 10vw, 128px); }
.sec--flush { padding-top: 0; }
.sec-head--flush { margin-bottom: 0; }
.sec-head { display: grid; gap: 16px; margin-bottom: clamp(36px, 5vw, 56px); max-width: 760px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font: 500 15px/1 var(--f-body); text-decoration: none; cursor: pointer; white-space: nowrap;
  border: 1px solid transparent; transition: transform .2s ease, box-shadow .3s, border-color .3s;
}
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 32px var(--glow); }
.btn-ghost { border-color: var(--line-2); color: var(--fg); background: transparent; }
.btn-ghost:hover { border-color: var(--fg-2); }
.btn-link { color: var(--fg-2); text-decoration: none; font-size: 14px; padding: 0 6px; }
.btn-link:hover { color: var(--fg); }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.hdr-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--f-display); font-weight: 500; font-size: 18px; letter-spacing: -.02em; }
.mark { display: inline-grid; width: 30px; height: 30px; flex: none; }
.mark svg { width: 100%; height: 100%; overflow: visible; }
.mark .disc { fill: var(--logo-fill); stroke: var(--logo-stroke); stroke-width: 1.5; transition: fill .6s, stroke .6s; }
.mark .lc { fill: var(--logo-stroke); opacity: calc(var(--logo-crater) * .18); transition: opacity .6s; }
.mark .shade { fill: var(--bg); transform: translateX(var(--logo-shift)); transition: transform 1s cubic-bezier(.6,0,.2,1), fill .6s; }
.mark .shade-s { fill: var(--bg); transform: translateX(var(--logo-shift-s)); transition: transform 1s cubic-bezier(.6,0,.2,1), fill .6s; }
.mark .outline { fill: none; stroke: var(--fg); stroke-width: 1.8; stroke-linejoin: round; transition: stroke .6s; }
.mark .ink { fill: var(--fg); transition: fill .6s; }
.mark .msh { transform: translateX(calc(var(--d) + (var(--l) - var(--d)) * var(--moon-on))); transition: transform 1s cubic-bezier(.6,0,.2,1), fill .6s; }
.mark .msh { fill: var(--bg); }
.mark .foldline { fill: none; stroke: var(--fg); stroke-width: 1.3; stroke-linecap: round; transition: stroke .6s; }
.mark .crs { fill: var(--crater-s); transition: fill .6s; }
.logo:hover .logo b { font-weight: 300; color: var(--accent); }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 14px; color: var(--fg-2); padding: 8px 12px; border-radius: 999px; transition: color .2s, background-color .2s; }
.nav a:hover { color: var(--fg); background: var(--line); }
.hdr-act { display: flex; align-items: center; gap: 10px; }
.hdr-act .btn { min-height: 40px; padding: 0 18px; font-size: 14px; }
.lang-sw { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--line-2); border-radius: 999px; height: 40px; }
.lang-sw button { font: 500 12px/1 var(--f-mono); letter-spacing: .04em; color: var(--muted); background: transparent; border: 0; border-radius: 999px; padding: 0 10px; cursor: pointer; }
.lang-sw button:hover { color: var(--fg); }
.lang-sw button[aria-pressed="true"] { background: var(--line-2); color: var(--fg); }
.theme-btn { display: inline-flex; align-items: center; gap: 2px; padding: 3px; height: 40px; border: 1px solid var(--line-2); border-radius: 999px; background: transparent; cursor: pointer; color: var(--fg); }
.theme-btn span { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; transition: background-color .4s; }
.theme-btn svg { width: 16px; height: 16px; }
.theme-btn .t-dark { background: var(--line-2); }
:root[data-theme="light"] .theme-btn .t-dark { background: transparent; }
:root[data-theme="light"] .theme-btn .t-light { background: var(--line-2); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-btn .t-dark { background: transparent; }
  :root:not([data-theme="dark"]) .theme-btn .t-light { background: var(--line-2); }
}
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line-2); border-radius: 50%; background: transparent; color: var(--fg); cursor: pointer; place-items: center; }
.burger svg { width: 18px; height: 18px; }
.burger--show { display: grid; }
@media (max-width: 1180px) {
  .nav, .hdr-act .btn, .hdr-act .btn-link { display: none; }
  .burger { display: grid; }
  .hdr-act { margin-left: auto; }
}
@media (max-width: 600px) {
  .hdr-act .theme-btn { display: none; }
  .hdr-in { gap: 12px; } .hdr-act { gap: 8px; }
  .lang-sw button { padding: 0 8px; }
}
.sheet {
  position: fixed; inset: 0; z-index: 70; background: var(--bg);
  padding: calc(env(safe-area-inset-top, 0px) + 12px) max(16px, env(safe-area-inset-right, 0px)) calc(env(safe-area-inset-bottom, 0px) + 24px) max(16px, env(safe-area-inset-left, 0px));
  display: flex; flex-direction: column; gap: 22px; overflow-y: auto;
}
.sheet-top { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.sheet nav { display: grid; }
.sheet nav a { font-family: var(--f-display); font-weight: 300; font-size: 26px; text-decoration: none; padding: 13px 0; border-bottom: 1px solid var(--line); }
.sheet-row { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 14px; }
.sheet .btn { width: 100%; }
.sheet-btns { display: grid; gap: 10px; margin-top: auto; }

/* ---------- hero ---------- */
.hero { padding-block: clamp(36px, 6vw, 88px) clamp(56px, 8vw, 100px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 40px; align-items: center; }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.trial {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; justify-self: start;
  padding: 8px 14px 8px 8px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 13px; color: var(--fg-2);
}
.trial b { font: 500 11px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; background: var(--btn-bg); color: var(--btn-fg); padding: 6px 9px; border-radius: 999px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.stats { display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 12px 36px; padding-top: 28px; border-top: 1px solid var(--line); }
.stat b { display: block; font-family: var(--f-display); font-weight: 300; font-size: 28px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--muted); }
@media (max-width: 560px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.stage { position: relative; min-height: 560px; display: grid; place-items: center; }
.stage-moon { position: absolute; width: min(440px, 92%); aspect-ratio: 1; top: 0; right: -4%; }
.stage-moon::before { content: ""; position: absolute; inset: -18%; border-radius: 50%; background: radial-gradient(circle, var(--glow) 0%, transparent 62%); }
.stage-moon svg { position: relative; width: 100%; height: 100%; animation: rise 1.8s cubic-bezier(.2,.7,.2,1) both; }
.m-shade { fill: var(--bg); opacity: var(--earthshine); transform: translateX(var(--hero-shift)); transition: transform 1.4s cubic-bezier(.6,0,.2,1), fill .6s; }
@keyframes rise { from { transform: translateY(40px); opacity: .2; } to { transform: none; opacity: 1; } }

.chatcard {
  position: relative; width: min(370px, 100%); margin-top: 120px; margin-right: 12%;
  border-radius: 24px; border: 1px solid var(--line-2);
  background: color-mix(in srgb, var(--bg-2) 95%, transparent);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.6);
  overflow: hidden;
}
.cc-top { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.cc-ava { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-3); border: 1px solid var(--line); display: grid; place-items: center; font-size: 15px; }
.cc-top b { display: block; font-size: 14px; font-weight: 500; line-height: 1.2; }
.cc-top small { font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.cc-top small::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
.cc-chan { margin-left: auto; font: 500 11px/1 var(--f-mono); color: var(--muted); border: 1px solid var(--line); padding: 5px 8px; border-radius: 999px; }
.chat { padding: 16px 14px; display: flex; flex-direction: column; gap: 8px; min-height: 330px; justify-content: flex-end; }
.msg { max-width: 84%; padding: 9px 13px; border-radius: 16px; font-size: 14px; line-height: 1.45; animation: pop .35s ease both; }
.msg.c { align-self: flex-end; background: var(--btn-bg); color: var(--btn-fg); border-bottom-right-radius: 5px; }
.msg.a { align-self: flex-start; background: var(--bg-3); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.msg.sys { align-self: center; font-family: var(--f-mono); font-size: 11px; color: var(--muted); background: none; padding: 2px; }
.msg.voice { display: inline-flex; align-items: center; gap: 10px; }
.wave { display: inline-flex; align-items: center; gap: 2px; height: 18px; }
.wave i { width: 2px; border-radius: 2px; background: currentColor; opacity: .75; }
.typing { align-self: flex-start; display: inline-flex; gap: 4px; padding: 12px 14px; border-radius: 16px; background: var(--bg-3); border: 1px solid var(--line); }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }
.cc-foot { display: flex; justify-content: space-between; gap: 10px; padding: 10px 16px 14px; font: 400 11px/1.4 var(--f-mono); color: var(--muted); border-top: 1px solid var(--line); }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } }
@keyframes blink { 50% { opacity: .25; } }

@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .stage { min-height: 0; order: 2; padding-top: 40px; }
  .stage-moon { width: min(300px, 76vw); right: -14%; top: 0; }
  .chatcard { margin: 90px 0 0; }
}

/* ---------- channels strip (marquee) ---------- */
.strip {
  border-block: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 60%, transparent); overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.strip-track { display: flex; width: max-content; animation: marquee 36s linear infinite; }
.strip:hover .strip-track { animation-play-state: paused; }
.strip ul { list-style: none; margin: 0; padding: 0; display: flex; flex: none; }
.strip li { display: flex; align-items: center; gap: 12px; padding: 20px 28px; white-space: nowrap; font-size: 14px; color: var(--fg-2); }
.strip svg { width: 16px; height: 16px; flex: none; color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- night timeline ---------- */
.night { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; align-items: start; }
.night-copy { display: grid; gap: 18px; position: sticky; top: 110px; }
.night-copy .note { font: 400 12px/1.5 var(--f-mono); color: var(--muted); }
.tl { list-style: none; margin: 0; padding: 0; position: relative; display: grid; }
.tl::before { content: ""; position: absolute; left: 76px; top: 10px; bottom: 10px; width: 1px; background: linear-gradient(var(--line-2), var(--line-2) 80%, transparent); }
.tl li { display: grid; grid-template-columns: 64px 26px minmax(0, 1fr); gap: 0 14px; padding-block: 16px; align-items: start; }
.tl time { font: 500 14px/1.4 var(--f-mono); color: var(--fg); font-variant-numeric: tabular-nums; text-align: right; padding-top: 1px; }
.tl .dot { width: 11px; height: 11px; border-radius: 50%; margin: 5px 0 0 7px; background: var(--bg); border: 1.5px solid var(--accent); position: relative; z-index: 1; }
.tl li.morning .dot { background: var(--accent); }
.tl .ev { display: grid; gap: 4px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--bg-2) 80%, transparent); min-width: 0; }
.tl .ev span { font: 500 11px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.tl .ev p { font-size: 15px; }
.tl li.morning .ev { border-color: var(--line-2); background: color-mix(in srgb, var(--bg-3) 90%, transparent); }
@media (max-width: 860px) {
  .night { grid-template-columns: 1fr; gap: 28px; }
  .night-copy { position: static; }
  .tl::before { left: 60px; }
  .tl li { grid-template-columns: 48px 26px minmax(0, 1fr); gap: 0 10px; }
  .tl time { font-size: 13px; }
}

/* ---------- scenarios ---------- */
.sc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.sc { padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 12px; align-content: start; background: color-mix(in srgb, var(--bg) 55%, transparent); min-width: 0; transition: background-color .3s; }
.sc:hover { background: color-mix(in srgb, var(--bg-2) 90%, transparent); }
.sc p { color: var(--fg-2); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tag { font-family: var(--f-mono); font-size: 11px; color: var(--muted); border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px; }
@media (max-width: 960px) { .sc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .sc-grid { grid-template-columns: 1fr; } .sc { padding: 22px 20px; } }

/* ---------- features (bento) ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.ft { grid-column: span 2; border: 1px solid var(--line); border-radius: var(--r); padding: 24px; display: grid; gap: 10px; align-content: start; background: color-mix(in srgb, var(--bg-2) 82%, transparent); min-width: 0; }
.ft.wide { grid-column: span 3; }
.ft p { color: var(--fg-2); font-size: 15px; }
.ft .viz { margin-top: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 500 12px/1 var(--f-mono); padding: 8px 10px; border-radius: 999px; border: 1px solid var(--line-2); }
.chip.on { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }
.rag { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: center; font-size: 13px; color: var(--fg-2); }
.rag .doc { font: 500 11px/1 var(--f-mono); padding: 6px 8px; border-radius: 6px; border: 1px solid var(--line-2); color: var(--fg); justify-self: start; }
.handoff { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--fg-2); padding: 10px 12px; border-radius: 12px; border: 1px dashed var(--line-2); }
.handoff i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--glow); flex: none; }
@media (max-width: 960px) { .ft, .ft.wide { grid-column: span 3; } }
@media (max-width: 600px) { .bento { grid-template-columns: 1fr; } .ft, .ft.wide { grid-column: auto; padding: 20px; } }

/* ---------- how (moon phases) ---------- */
.how { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: start; }
.how-copy { display: grid; gap: 20px; }
.how-copy .big { font-family: var(--f-display); font-weight: 300; font-size: clamp(56px, 8vw, 96px); line-height: 1; letter-spacing: -.04em; }
.how-copy .big small { font-size: .3em; letter-spacing: 0; color: var(--muted); margin-left: 8px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 1px; background: var(--line-2); }
.steps li { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px 20px; padding-bottom: 32px; }
.steps li:last-child { padding-bottom: 0; }
.phase { width: 56px; height: 56px; border-radius: 50%; background: var(--bg); grid-row: span 3; position: relative; z-index: 1; }
.phase svg { width: 100%; height: 100%; }
.phase .ring { fill: none; stroke: var(--line-2); }
.phase .lit { fill: var(--fg); }
.steps .ph-name { font: 400 11px/1.4 var(--f-mono); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; padding-top: 6px; }
.steps p { color: var(--fg-2); font-size: 15px; }
@media (max-width: 860px) { .how { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.plan { border: 1px solid var(--line); border-radius: 22px; padding: 26px 24px; display: grid; grid-template-rows: auto auto auto 1fr auto; gap: 16px; background: color-mix(in srgb, var(--bg-2) 82%, transparent); min-width: 0; }
.plan.pop { border-color: var(--line-2); background: radial-gradient(120% 70% at 50% 0%, var(--glow), transparent 60%), color-mix(in srgb, var(--bg-3) 92%, transparent); }
.plan-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.plan-head h3 { font-family: var(--f-display); font-weight: 400; font-size: 18px; }
.badge { font: 500 10px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--btn-fg); background: var(--btn-bg); padding: 5px 8px; border-radius: 999px; }
.price { font-family: var(--f-display); font-weight: 300; font-size: 40px; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.price small { font-family: var(--f-body); font-size: 14px; color: var(--muted); letter-spacing: 0; margin-left: 4px; }
.plan .desc { font-size: 14px; color: var(--muted); }
.plan ul { list-style: none; margin: 0; padding: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 10px; align-content: start; font-size: 14px; color: var(--fg-2); }
.plan li { display: flex; gap: 10px; }
.plan li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); margin-top: 8px; flex: none; }
.plan .btn { width: 100%; }
.plans-note { margin-top: 18px; font-size: 13px; color: var(--muted); }
@media (max-width: 1080px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .plans {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; scrollbar-width: none;
    margin-inline: calc(-1 * max(16px, env(safe-area-inset-left, 0px))); padding-inline: max(16px, env(safe-area-inset-left, 0px));
    scroll-padding-inline: max(16px, env(safe-area-inset-left, 0px));
  }
  .plans::-webkit-scrollbar { display: none; }
  .plan { flex: 0 0 84%; scroll-snap-align: start; }
  .plans-dots { display: flex; }
}
.plans-dots { display: none; justify-content: center; gap: 6px; margin-top: 14px; }
.plans-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-2); transition: background-color .3s, width .3s; }
.plans-dots i.on { background: var(--fg); width: 18px; border-radius: 3px; }

/* ---------- security ---------- */
.sec-band { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: 22px; overflow: hidden; }
.sec-band div { padding: 24px; display: grid; gap: 6px; border-right: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 60%, transparent); }
.sec-band div:last-child { border-right: 0; }
.sec-band b { font-family: var(--f-mono); font-weight: 500; font-size: 13px; }
.sec-band span { color: var(--fg-2); font-size: 14px; }
@media (max-width: 760px) { .sec-band { grid-template-columns: 1fr; } .sec-band div { border-right: 0; border-bottom: 1px solid var(--line); } .sec-band div:last-child { border-bottom: 0; } }

/* ---------- faq ---------- */
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; font-size: 17px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); font-weight: 400; color: var(--muted); transition: transform .3s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--fg-2); padding-bottom: 22px; max-width: 62ch; }
@media (max-width: 860px) { .faq-grid { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- final cta ---------- */
.final { position: relative; text-align: center; padding-block: clamp(80px, 12vw, 150px) clamp(60px, 9vw, 110px); overflow: hidden; }
.final-moon { position: absolute; left: 50%; bottom: -62%; width: min(760px, 140vw); aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--moon), var(--moon-shade) 75%); opacity: .12; box-shadow: 0 0 140px 40px var(--glow); }
.final-in { position: relative; display: grid; gap: 22px; justify-items: center; }
.final h2 { max-width: 18ch; }
.final .lead { text-align: center; }

/* ---------- footer ---------- */
.ftr { border-top: 1px solid var(--line); padding-block: 56px 40px; font-size: 14px; color: var(--muted); }
.ftr-grid { display: grid; grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr)); gap: 32px; }
.ftr h4 { margin: 0 0 12px; font: 500 11px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--fg-2); }
.ftr ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.ftr a { text-decoration: none; } .ftr a:hover { color: var(--fg); }
.ftr-brand { display: grid; gap: 14px; align-content: start; }
.ftr-legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; font-size: 13px; }
.ftr-legal address { font-style: normal; }
.byaidev { display: inline-flex; align-items: center; gap: 8px; color: var(--fg-2); }
.byaidev svg { width: 16px; height: 16px; }
@media (max-width: 860px) { .ftr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ftr-brand { grid-column: 1 / -1; } }

/* ---------- mobile bar ---------- */
.mbar { display: none; }
@media (max-width: 760px) {
  .mbar {
    display: grid; grid-template-columns: auto 1fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 10px max(12px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
    background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--line); transition: transform .35s ease;
  }
  .mbar.hide { transform: translateY(110%); }
  .mbar .btn { min-height: 50px; }
  .page { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }
}


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .strip { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
  .strip ul[aria-hidden="true"] { display: none; }
}

/* ---------- base ---------- */
img, svg { max-width: 100%; }
button, input { font: inherit; }
.msg--still { animation: none; display: inline-flex; }
.mark--sm { width: 18px; height: 18px; }

/* ---------- messenger contacts (WhatsApp, Telegram, Instagram): plain text links ---------- */
.socials { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.soc { display: inline-flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; }
.soc:hover { color: var(--fg); }
.socials--sheet { justify-content: center; margin-top: 4px; }