/* CXN Motion Pro – site styles. Flat motion-graphics look: solid colour fields, sticker cards, chunky type. */
:root {
  --ink: #16365C; --ink-2: #0E2440; --ink-soft: #3d5878;
  --cream: #FFF6E6; --paper: #FFFBF3; --line: rgba(22, 54, 92, .14);
  --yellow: #F4C624; --gold: #FFC93C; --coral: #FF7A59; --terra: #C7553A; --ochre: #C98C3A;
  --violet: #8B6CEF; --purple: #76589A; --mint: #14B39A; --mint-l: #4FE3B9; --blue: #2160B0; --skin: #A6E8C3;
  --panel: #1e2022; --panel-2: #26292b; --panel-line: #34383a; --panel-text: #e7e9e8; --panel-muted: #9aa3a0; --panel-accent: #2bb88f;
  --ok: #13907A; --warn: #C98C3A; --bad: #C7553A;
  --display: "Bricolage Grotesque", "Be Vietnam Pro", system-ui, sans-serif;
  --body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
  --radius: 22px; --radius-lg: 44px;
  --shadow: 5px 5px 0 var(--ink);
  --wrap: 1200px;
  --ease-back: cubic-bezier(.34, 1.56, .64, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-padding-top: 100px; }
html:not(.lenis) { scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body { margin: 0; background: var(--cream); color: var(--ink); font: 400 16px/1.6 var(--body); overflow-x: clip; -webkit-font-smoothing: antialiased; }
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--ink); color: var(--yellow); }
:focus-visible { outline: 3px solid var(--violet); outline-offset: 3px; border-radius: 6px; }
.icon { width: 1.15em; height: 1.15em; flex: none; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--mono); }

/* ------------------------------------------------------------ type */
h1, h2, h3, .display { font-family: var(--display); font-weight: 800; letter-spacing: -.02em; line-height: 1.02; margin: 0; }
h2 { font-size: clamp(36px, 6vw, 76px); }
h3 { font-size: clamp(22px, 2.4vw, 28px); line-height: 1.15; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border: 2px solid currentColor; border-radius: 999px; font: 700 13px/1 var(--body); letter-spacing: .06em; text-transform: uppercase; }
.lead { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.55; max-width: 36em; }
.muted { opacity: .72; }
.hl { position: relative; display: inline-block; padding: 0 .18em; color: var(--ink); z-index: 0; white-space: nowrap; }
.hl::before { content: ""; position: absolute; inset: .08em -.02em .02em; background: var(--mint-l); border-radius: .22em; z-index: -1; transform: rotate(-1.5deg); }

/* ------------------------------------------------------------ buttons */
.btn { --bg: var(--ink); --fg: var(--cream); display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border: 2.5px solid var(--ink); border-radius: 999px; background: var(--bg); color: var(--fg); font: 700 16px/1 var(--body); text-decoration: none; cursor: pointer; box-shadow: var(--shadow); transition: translate .18s var(--ease-back), box-shadow .18s, background .2s; white-space: nowrap; }
.btn:hover { translate: -2px -2px; box-shadow: 7px 7px 0 var(--ink); }
.btn:active { translate: 3px 3px; box-shadow: 1px 1px 0 var(--ink); }
.btn[disabled] { opacity: .5; cursor: not-allowed; translate: none; }
.btn-light { --bg: var(--cream); --fg: var(--ink); }
.btn-yellow { --bg: var(--yellow); --fg: var(--ink); }
.btn-mint { --bg: var(--mint-l); --fg: var(--ink); }
.btn-coral { --bg: var(--coral); --fg: var(--ink); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; box-shadow: 3px 3px 0 var(--ink); }
.btn-sm:hover { box-shadow: 4px 4px 0 var(--ink); }
.btn-block { width: 100%; }
.on-dark .btn, .btn.on-dark { border-color: var(--cream); box-shadow: 5px 5px 0 var(--cream); }
.on-dark .btn:hover { box-shadow: 7px 7px 0 var(--cream); }
.link { font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }

/* ------------------------------------------------------------ nav */
.nav { position: fixed; z-index: 50; top: 14px; left: 50%; transform: translateX(-50%); width: min(var(--wrap), 100% - 24px); display: flex; align-items: center; gap: 18px; padding: 8px 8px 8px 16px; border: 2.5px solid var(--ink); border-radius: 999px; background: rgba(255, 251, 243, .9); backdrop-filter: blur(12px); box-shadow: var(--shadow); transition: transform .35s ease; }
.nav.hide { transform: translate(-50%, -140%); }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 18px/1 var(--display); text-decoration: none; letter-spacing: -.01em; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px; background: var(--ink); color: var(--mint-l); }
.brand-mark .icon { width: 20px; height: 20px; }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a { padding: 9px 14px; border-radius: 999px; font-weight: 600; font-size: 15px; text-decoration: none; transition: background .2s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--yellow); }
.nav .btn { min-height: 44px; box-shadow: none; }
.nav .btn:hover { box-shadow: 3px 3px 0 var(--ink); }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2.5px; margin: 4px auto; background: var(--ink); border-radius: 2px; transition: transform .25s; }
.nav-open .nav-toggle span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-open .nav-toggle span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
.announce { position: relative; z-index: 2; padding: 92px 16px 0; text-align: center; font-weight: 700; font-size: 14px; }
.announce span { display: inline-flex; gap: 8px; align-items: center; padding: 6px 14px; border-radius: 999px; background: var(--ink); color: var(--yellow); }
.announce:empty { display: none; }
@media (max-width: 900px) {
  .nav-links { position: absolute; top: calc(100% + 10px); left: 0; right: 0; flex-direction: column; padding: 10px; border: 2.5px solid var(--ink); border-radius: 26px; background: var(--paper); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: .25s; }
  .nav-open .nav-links { opacity: 1; pointer-events: auto; transform: none; }
  .nav-links a { padding: 13px 16px; font-size: 17px; }
  .nav-toggle { display: block; }
  .nav .btn { display: none; }
}

/* ------------------------------------------------------------ sections */
.section { position: relative; padding: clamp(80px, 11vw, 150px) 0; }
.section.round { border-radius: var(--radius-lg) var(--radius-lg) 0 0; margin-top: calc(-1 * var(--radius-lg)); }
.bg-yellow { background: var(--yellow); }
.bg-cream { background: var(--cream); }
.bg-paper { background: var(--paper); }
.bg-navy { background: var(--ink); color: var(--cream); }
.bg-coral { background: var(--coral); }
.bg-terra { background: var(--terra); color: var(--cream); }
.bg-violet { background: var(--violet); color: #fff; }
.bg-purple { background: var(--purple); color: #fff; }
.bg-mint { background: var(--mint-l); }
.bg-blue { background: var(--blue); color: #fff; }
.section-head { display: grid; gap: 18px; justify-items: start; margin-bottom: clamp(36px, 5vw, 64px); max-width: 860px; }
.section-head.center { margin-inline: auto; text-align: center; justify-items: center; }

/* ------------------------------------------------------------ hero */
.hero { position: relative; min-height: 100vh; padding: 40px 0 120px; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.02fr 1fr; gap: 40px; align-items: center; min-height: calc(100vh - 160px); }
.hero h1 { font-size: clamp(50px, 8.2vw, 116px); line-height: .95; margin: 22px 0 24px; }
.hero h1 .line { display: block; }
.hero h1 .word, .split .word { display: inline-block; will-change: transform; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 34px 0 0; padding: 0; list-style: none; font-weight: 600; font-size: 14.5px; }
.trust li { display: inline-flex; align-items: center; gap: 7px; }
.trust .icon { color: var(--ink); }
.shape { position: absolute; pointer-events: none; z-index: 0; }
.hero .wrap { position: relative; z-index: 1; }
.hero .wrap > * { position: relative; z-index: 1; }
.hero .shape { z-index: 0; }

/* stage = comp preview + panel mock */
.stage { position: relative; aspect-ratio: 1 / .92; }
.comp { position: absolute; right: 0; top: 0; width: 86%; border: 2.5px solid var(--ink); border-radius: 18px; background: #2b2e30; box-shadow: 8px 8px 0 var(--ink); overflow: hidden; }
.comp-bar { display: flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px; color: #c6cbc9; font-size: 12px; }
.comp-bar i { width: 9px; height: 9px; border-radius: 50%; background: #f07f7f; }
.comp-bar b { margin-left: auto; font-weight: 500; opacity: .6; }
.canvas { position: relative; aspect-ratio: 16 / 10; margin: 0 8px; border-radius: 6px; background: var(--cream); overflow: hidden; }
.obj { position: absolute; will-change: transform; }
.o-circle { left: 38%; top: 12%; width: 17%; aspect-ratio: 1; border-radius: 50%; background: var(--coral); }
.o-card { left: 37%; top: 58%; width: 22%; aspect-ratio: 1.35; border-radius: 12px; background: var(--gold); }
.o-card::before, .o-card::after { content: ""; position: absolute; left: 13%; height: 11%; border-radius: 9px; background: rgba(255, 255, 255, .9); }
.o-card::before { top: 22%; width: 60%; }
.o-card::after { top: 46%; width: 40%; background: rgba(255, 255, 255, .65); }
.o-star { left: 60%; top: 12%; width: 19%; aspect-ratio: 1; color: var(--violet); }
.o-pill { right: 6%; top: 16%; padding: 4% 6%; border-radius: 999px; background: var(--mint); color: #fff; font: 800 clamp(11px, 1.3vw, 17px)/1 var(--display); letter-spacing: .04em; }
.o-text { right: 7%; bottom: 14%; font: 800 clamp(20px, 3.4vw, 46px)/1 var(--display); color: var(--ink); letter-spacing: -.02em; }
.o-shadow { position: absolute; left: 38%; top: 41%; width: 17%; height: 3%; border-radius: 50%; background: rgba(22, 54, 92, .15); }
.timeline { padding: 8px 8px 10px; display: grid; gap: 4px; }
.track { position: relative; display: grid; grid-template-columns: 54px 1fr; align-items: center; gap: 8px; color: #aab0ae; font-size: 10.5px; }
.track .bar { position: relative; height: 9px; border-radius: 3px; background: var(--c, #3a6ea5); opacity: .9; }
.track .kf { position: absolute; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; background: var(--gold); transform: rotate(45deg); border: 1px solid rgba(0, 0, 0, .3); }
.playhead { position: absolute; top: 0; bottom: 0; left: 30%; width: 2px; background: #4aa3ff; }
.timeline-wrap { position: relative; }
.timeline-wrap .playhead { left: calc(62px + 8px + 0%); }

.mini-panel { position: absolute; left: 0; bottom: -2%; width: 44%; min-width: 210px; border: 2.5px solid var(--ink); border-radius: 16px; background: var(--panel); color: var(--panel-text); box-shadow: 8px 8px 0 var(--ink); overflow: hidden; font-size: 12px; z-index: 2; }
.mp-head { display: flex; align-items: center; gap: 8px; padding: 10px 10px 8px; }
.mp-head .brand-mark { width: 26px; height: 26px; border-radius: 8px; background: #23463c; }
.mp-head .brand-mark .icon { width: 15px; height: 15px; }
.mp-head b { font-size: 12.5px; }
.mp-scan { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; padding: 5px 9px; border-radius: 7px; background: var(--panel-accent); color: #08261d; font-weight: 700; font-size: 11px; }
.mp-tabs { display: flex; gap: 12px; padding: 0 10px; border-bottom: 1px solid var(--panel-line); color: var(--panel-muted); }
.mp-tabs span { display: inline-flex; gap: 5px; align-items: center; padding: 7px 0; }
.mp-tabs span.on { color: var(--panel-text); box-shadow: inset 0 -2px var(--panel-accent); }
.mp-rows { padding: 6px; display: grid; gap: 4px; }
.mp-row { display: grid; grid-template-columns: 14px 1fr auto; align-items: center; gap: 8px; padding: 6px 7px; border-radius: 7px; background: var(--panel-2); transition: background .25s; }
.mp-row .cb { width: 13px; height: 13px; border-radius: 3px; border: 1.5px solid #6b7471; display: grid; place-items: center; }
.mp-row.on { background: #1f3a32; box-shadow: inset 2px 0 var(--panel-accent); }
.mp-row.on .cb { background: var(--panel-accent); border-color: var(--panel-accent); }
.mp-row.on .cb::after { content: ""; width: 6px; height: 3px; border: 2px solid #08261d; border-top: 0; border-right: 0; transform: rotate(-45deg) translate(1px, -1px); }
.mp-row small { display: block; color: var(--panel-accent); font-size: 10px; min-height: 1em; }
.mp-sel { padding: 4px 7px; border: 1px solid var(--panel-line); border-radius: 6px; background: #17191a; font-size: 10.5px; min-width: 86px; }
.mp-apply { margin: 4px 6px 8px; padding: 9px; border-radius: 8px; background: var(--panel-accent); color: #08261d; font-weight: 800; text-align: center; transition: transform .15s; }
.mp-apply.press { transform: scale(.94); }
.mp-status { padding: 6px 10px; border-top: 1px solid var(--panel-line); color: var(--panel-muted); font-size: 10.5px; min-height: 26px; }
.cursor-hand { position: absolute; z-index: 5; left: 0; top: 0; width: 40px; pointer-events: none; filter: drop-shadow(3px 4px 0 rgba(22, 54, 92, .35)); }
.ripple { position: absolute; z-index: 4; width: 50px; height: 50px; margin: -25px 0 0 -25px; border: 3px solid var(--ink); border-radius: 50%; opacity: 0; pointer-events: none; }
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; min-height: 0; padding-top: 10px; }
  .stage { max-width: 620px; width: 100%; margin: 10px auto 0; }
}
@media (max-width: 520px) {
  .mini-panel { width: 62%; font-size: 10.5px; }
  .mp-sel { min-width: 70px; }
  .comp { width: 92%; }
  .stage { aspect-ratio: 1 / 1.08; }
}

/* ------------------------------------------------------------ marquee */
.marquee-clip { position: relative; z-index: 3; overflow: hidden; margin: -90px 0 -70px; padding: 50px 0; pointer-events: none; }
.marquee { padding: 26px 0; background: var(--ink); color: var(--cream); overflow: hidden; transform: rotate(-2deg) scale(1.06); border-block: 3px solid var(--ink); }
.marquee .row { display: flex; width: max-content; gap: 40px; font: 800 clamp(30px, 4.6vw, 62px)/1.1 var(--display); letter-spacing: -.01em; white-space: nowrap; will-change: transform; }
.marquee .row + .row { margin-top: 8px; color: var(--yellow); }
.marquee .row span { display: inline-flex; align-items: center; gap: 40px; }
.marquee .row span::after { content: "✦"; color: var(--coral); font-size: .7em; }

/* ------------------------------------------------------------ pain (pinned timeline) */
.pain { min-height: 100vh; overflow: hidden; }
.pain .wrap { display: grid; gap: 34px; justify-items: center; text-align: center; }
.pain-title { position: relative; height: 2.3em; width: 100%; font: 800 clamp(34px, 5.6vw, 72px)/1.05 var(--display); letter-spacing: -.02em; }
.pain-title > div { position: absolute; inset: 0; display: grid; align-content: center; justify-items: center; }
.pain-title small { display: block; margin-top: 12px; font: 500 clamp(15px, 1.5vw, 19px)/1.4 var(--body); opacity: .75; letter-spacing: 0; }
.tl-card { position: relative; width: min(980px, 100%); padding: 16px 18px 20px; border: 2.5px solid var(--cream); border-radius: 18px; background: #222527; box-shadow: 8px 8px 0 rgba(0, 0, 0, .3); text-align: left; }
.tl-card header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; color: #cfd4d2; font-size: 13px; }
.tl-card header i { width: 10px; height: 10px; border-radius: 50%; background: #f07f7f; }
.tl-lane { display: grid; grid-template-columns: 90px 1fr; gap: 12px; align-items: center; height: 30px; border-top: 1px solid #303436; color: #a9b0ad; font-size: 13px; }
.tl-lane .keys { position: relative; height: 100%; }
.tl-lane .kf { position: absolute; top: 50%; width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; background: var(--gold); border: 1px solid rgba(0, 0, 0, .35); transform: rotate(45deg) scale(0); }
.tl-foot { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; font: 700 15px/1 var(--body); color: var(--gold); }
.tl-foot .clock { color: var(--coral); }
.one-click { position: absolute; left: 50%; top: 50%; display: inline-flex; align-items: center; gap: 12px; padding: 18px 30px; border-radius: 999px; background: var(--mint-l); color: var(--ink); font: 800 clamp(22px, 3vw, 34px)/1 var(--display); transform: translate(-50%, -50%) scale(0); border: 3px solid var(--ink); box-shadow: 6px 6px 0 #000; white-space: nowrap; }

/* ------------------------------------------------------------ features (horizontal) */
.features { overflow: hidden; }
@media (min-width: 761px) { .features { padding-top: 96px; padding-bottom: 40px; } .features .section-head { margin-bottom: 28px; gap: 12px; } .features .section-head h2 { font-size: clamp(36px, 4.6vw, 64px); } }
@media (min-width: 761px) and (max-height: 820px) { .features .lead { display: none; } }
.h-scroll { display: flex; gap: 26px; width: max-content; padding: 10px 16px 40px max(16px, calc((100vw - var(--wrap)) / 2)); will-change: transform; }
.feat { position: relative; flex: none; width: clamp(280px, 26vw, 350px); min-height: 0; display: flex; flex-direction: column; border: 2.5px solid var(--ink); border-radius: 30px; background: var(--c, var(--paper)); box-shadow: 7px 7px 0 var(--ink); overflow: hidden; transition: translate .3s var(--ease-back), rotate .3s var(--ease-back); }
.feat:hover { translate: 0 -8px; rotate: -.6deg; }
.feat .demo { position: relative; height: min(230px, 30vh); margin: 14px 14px 0; border: 2px solid var(--ink); border-radius: 20px; background: var(--cream); overflow: hidden; }
.feat .body { padding: 20px 22px 24px; display: grid; gap: 10px; align-content: start; }
.feat .tag { justify-self: start; padding: 4px 10px; border-radius: 999px; background: var(--ink); color: var(--cream); font: 700 11.5px/1.2 var(--body); letter-spacing: .06em; text-transform: uppercase; }
.feat p { margin: 0; font-size: 15px; line-height: 1.5; }
.feat.dark { color: #fff; }
.feat.dark .tag { background: #fff; color: var(--ink); }
.feat-count { display: inline-flex; align-items: baseline; gap: 6px; }
@media (max-width: 760px) {
  .h-scroll { width: auto; flex-direction: column; align-items: center; padding: 0 16px; transform: none !important; }
  .feat { width: 100%; max-width: 440px; min-height: 0; }
}
/* little demos (CSS keyframe loops; paused when off screen) */
.demo * { animation-play-state: var(--play, running); }
.demo .dot { position: absolute; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px; border-radius: 50%; background: var(--coral); }
.demo .sq { position: absolute; left: 50%; top: 50%; width: 86px; height: 86px; margin: -43px; border-radius: 18px; background: var(--violet); }
.demo .ghost { opacity: .25; }
.d-poswig .dot { animation: poswig 2.4s linear infinite; }
.d-poswig .dot.ghost { animation-delay: -.12s; }
.d-poswig .dot.ghost + .ghost { animation-delay: -.24s; opacity: .12; }
@keyframes poswig { 0% { transform: translate(0, 0); } 12% { transform: translate(38px, -22px); } 25% { transform: translate(-18px, -40px); } 37% { transform: translate(-52px, 10px); } 50% { transform: translate(14px, 34px); } 62% { transform: translate(48px, 8px); } 75% { transform: translate(-6px, -26px); } 87% { transform: translate(-40px, 28px); } 100% { transform: translate(0, 0); } }
.d-rotwig .sq { animation: rotwig 1.8s ease-in-out infinite; background: var(--gold); }
@keyframes rotwig { 0%, 100% { transform: rotate(0); } 20% { transform: rotate(14deg); } 45% { transform: rotate(-11deg); } 65% { transform: rotate(8deg); } 85% { transform: rotate(-5deg); } }
.d-scalewig .dot { width: 90px; height: 90px; margin: -45px; background: var(--mint); animation: scalewig 1.6s ease-in-out infinite; }
@keyframes scalewig { 0%, 100% { transform: scale(1); } 25% { transform: scale(1.18); } 50% { transform: scale(.9); } 75% { transform: scale(1.1); } }
.d-opwig .sq { background: var(--ink); animation: opwig 1.3s steps(1) infinite; }
@keyframes opwig { 0% { opacity: 1; } 14% { opacity: .55; } 22% { opacity: .95; } 41% { opacity: .35; } 48% { opacity: 1; } 66% { opacity: .7; } 80% { opacity: .2; } 86% { opacity: .9; } }
.d-bounce .ball { position: absolute; left: 50%; bottom: 34px; width: 58px; height: 58px; margin-left: -29px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #ffb199, var(--coral) 55%, #e25a3a); animation: bounce 1.6s infinite; transform-origin: 50% 100%; }
.d-bounce .floor { position: absolute; left: 20%; right: 20%; bottom: 30px; height: 3px; border-radius: 3px; background: var(--ink); opacity: .2; }
@keyframes bounce {
  0% { transform: translateY(-140px); animation-timing-function: cubic-bezier(.55, 0, 1, .45); }
  30% { transform: translateY(0) scale(1.25, .75); animation-timing-function: cubic-bezier(0, .55, .45, 1); }
  50% { transform: translateY(-60px) scale(.95, 1.05); animation-timing-function: cubic-bezier(.55, 0, 1, .45); }
  65% { transform: translateY(0) scale(1.12, .88); animation-timing-function: cubic-bezier(0, .55, .45, 1); }
  76% { transform: translateY(-22px); animation-timing-function: cubic-bezier(.55, 0, 1, .45); }
  85% { transform: translateY(0) scale(1.05, .95); }
  92%, 100% { transform: translateY(0); }
}
.d-slide .bar { position: absolute; left: 14%; height: 30px; border-radius: 10px; background: var(--c); animation: slide 3s var(--ease-back) infinite; opacity: 0; }
.d-slide .bar:nth-child(1) { top: 30px; width: 66%; --c: var(--coral); }
.d-slide .bar:nth-child(2) { top: 76px; width: 52%; --c: var(--gold); animation-delay: .12s; }
.d-slide .bar:nth-child(3) { top: 122px; width: 60%; --c: var(--violet); animation-delay: .24s; }
.d-slide .bar:nth-child(4) { top: 168px; width: 44%; --c: var(--mint); animation-delay: .36s; }
@keyframes slide { 0% { transform: translateX(-130%); opacity: 1; } 22%, 70% { transform: translateX(0); opacity: 1; } 88%, 100% { transform: translateX(260%); opacity: 1; } }
.d-bake .expr { position: absolute; left: 16px; right: 16px; top: 26px; padding: 10px 12px; border-radius: 10px; background: #1e2022; color: #9fe8cf; font: 500 12.5px/1.4 var(--mono); animation: bakeExpr 3.2s infinite; }
.d-bake .lane { position: absolute; left: 16px; right: 16px; top: 140px; height: 3px; background: rgba(22, 54, 92, .2); }
.d-bake .k { position: absolute; top: -6px; width: 14px; height: 14px; margin-left: -7px; background: var(--gold); border: 2px solid var(--ink); transform: rotate(45deg) scale(0); animation: bakeKey 3.2s infinite; }
@keyframes bakeExpr { 0%, 35% { opacity: 1; transform: none; } 50%, 100% { opacity: 0; transform: translateY(20px) scale(.9); } }
@keyframes bakeKey { 0%, 40% { transform: rotate(45deg) scale(0); } 55%, 92% { transform: rotate(45deg) scale(1); } 100% { transform: rotate(45deg) scale(0); } }
.d-loop .dia { position: absolute; top: 160px; width: 16px; height: 16px; background: var(--gold); border: 2px solid var(--ink); transform: rotate(45deg); }
.d-loop .ball { position: absolute; left: 18%; top: 70px; width: 54px; height: 54px; margin-left: -27px; border-radius: 50%; background: var(--violet); animation: pingpong 1.8s cubic-bezier(.65, 0, .35, 1) infinite alternate; }
@keyframes pingpong { to { left: 82%; } }
.d-noise svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.d-sweep .card { position: absolute; left: 50%; top: 50%; width: 70%; height: 46%; transform: translate(-50%, -50%); border-radius: 18px; background: linear-gradient(135deg, var(--ink), #2a5a8f); color: #fff; display: grid; place-items: center; font: 800 26px/1 var(--display); letter-spacing: .08em; overflow: hidden; }
.d-sweep .card::after { content: ""; position: absolute; top: -30%; bottom: -30%; width: 26%; background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .85), rgba(255, 255, 255, 0)); transform: skewX(-20deg); animation: sweep 2.2s ease-in-out infinite; left: -40%; }
@keyframes sweep { 60%, 100% { left: 130%; } }
.d-pan .strip { position: absolute; top: 50%; left: 0; display: flex; gap: 14px; transform: translateY(-50%); animation: pan 6s linear infinite; }
.d-pan .strip i { width: 120px; height: 150px; border-radius: 16px; background: var(--c); flex: none; }
@keyframes pan { to { transform: translate(-536px, -50%); } }
.d-grid .grid { position: absolute; inset: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.d-grid .grid i { border-radius: 12px; background: var(--c); animation: arrange 3.4s var(--ease-back) infinite; }
@keyframes arrange { 0%, 10% { transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(.7); } 35%, 85% { transform: none; } 100% { transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(.7); } }
.d-quick .photo { position: absolute; inset: 0; background: linear-gradient(180deg, #9fd8ff, #ffe2b8 70%); animation: tones 4.5s steps(1) infinite; }
.d-quick .photo::before { content: ""; position: absolute; left: -10%; right: 30%; bottom: -30%; height: 75%; border-radius: 50%; background: #3fae7d; }
.d-quick .photo::after { content: ""; position: absolute; left: 62%; top: 16%; width: 54px; height: 54px; border-radius: 50%; background: var(--gold); }
.d-quick .lbl { position: absolute; left: 12px; top: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .9); font: 700 12px/1.3 var(--body); }
@keyframes tones { 0% { filter: none; } 33% { filter: sepia(1) saturate(2.2) hue-rotate(-12deg) brightness(1.05); } 66% { filter: sepia(1) saturate(4) hue-rotate(-50deg) brightness(.9); } }
.d-mosaic .src, .d-mosaic .dst { position: absolute; width: 74px; height: 46px; border-radius: 9px; }
.d-mosaic .src { left: 18px; background: var(--c); animation: mosaic 3s var(--ease-back) infinite; z-index: 2; }
.d-mosaic .dst { right: 18px; border: 2.5px dashed rgba(22, 54, 92, .4); }
@keyframes mosaic { 0%, 15% { transform: none; } 45%, 85% { transform: translateX(var(--dx)); } 100% { transform: none; } }

/* ------------------------------------------------------------ ease playground */
.ease-box { display: grid; grid-template-columns: 330px 1fr; gap: 26px; align-items: stretch; }
.ease-ctrl, .ease-view { border: 2.5px solid var(--ink); border-radius: 26px; background: var(--paper); color: var(--ink); box-shadow: 7px 7px 0 var(--ink); }
.ease-ctrl { padding: 22px; display: grid; gap: 18px; align-content: start; }
.ease-ctrl h4 { margin: 0 0 8px; font: 700 13px/1 var(--body); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 9px 14px; border: 2px solid var(--ink); border-radius: 999px; background: transparent; font-weight: 700; font-size: 14px; cursor: pointer; transition: background .2s, transform .2s var(--ease-back); }
.chip:hover { transform: translateY(-2px); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--cream); }
.ease-graph { width: 100%; height: auto; border-radius: 16px; background: #1e2022; }
.ease-view { position: relative; min-height: 420px; overflow: hidden; background: var(--cream); }
.ease-view .blk { position: absolute; left: 12%; height: 46px; border-radius: 14px; border: 2.5px solid var(--ink); background: var(--c); display: flex; align-items: center; padding-left: 16px; font: 800 15px/1 var(--display); }
.ease-view .blk::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: rgba(255, 255, 255, .8); margin-right: 10px; }
.ease-meta { position: absolute; right: 16px; bottom: 14px; font: 600 13px/1 var(--mono); opacity: .6; }
@media (max-width: 860px) { .ease-box { grid-template-columns: 1fr; } .ease-view { min-height: 340px; } }

/* ------------------------------------------------------------ video */
.video-sec { overflow: hidden; }
.video-frame { position: relative; width: min(1100px, 100%); margin: 0 auto; border: 3px solid var(--cream); border-radius: 28px; overflow: hidden; background: #000; box-shadow: 10px 10px 0 rgba(0, 0, 0, .35); transform-origin: 50% 30%; }
.video-frame video { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.video-frame video { cursor: pointer; }
.video-frame:fullscreen { border: 0; border-radius: 0; display: grid; align-items: center; }
.video-frame:fullscreen video { height: 100vh; object-fit: contain; }
/* big play button over the poster / paused frame */
.v-big { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: clamp(64px, 9vw, 96px); aspect-ratio: 1; margin: 0; padding: 0; border: 3px solid var(--ink); border-radius: 50%; background: var(--yellow); color: var(--ink); box-shadow: 5px 5px 0 var(--ink); cursor: pointer; transform: translate(-50%, -50%); transition: opacity .25s, scale .25s var(--ease-back); }
.v-big svg { width: 42%; margin-left: 6%; }
.v-big:hover { scale: 1.08; }
.video-frame.playing .v-big { opacity: 0; scale: .6; pointer-events: none; }
/* control bar */
.v-bar { position: absolute; left: 12px; right: 12px; bottom: 12px; display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 2px solid var(--ink); border-radius: 999px; background: rgba(255, 246, 230, .94); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); transition: opacity .3s, translate .3s; }
.video-frame.playing.idle .v-bar { opacity: 0; translate: 0 12px; pointer-events: none; }
.v-btn { display: grid; place-items: center; flex: none; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; }
.v-btn:hover { background: var(--yellow); }
.v-btn svg { width: 22px; height: 22px; }
.v-btn .ic-pause, .v-btn .ic-sound { display: none; }
.video-frame.playing #v-play .ic-play { display: none; }
.video-frame.playing #v-play .ic-pause { display: block; }
.video-frame.unmuted #v-sound .ic-muted { display: none; }
.video-frame.unmuted #v-sound .ic-sound { display: block; }
.v-time { flex: none; min-width: 38px; font: 700 13px/1 var(--mono); font-variant-numeric: tabular-nums; text-align: center; }
.v-track { position: relative; flex: 1; height: 24px; cursor: pointer; touch-action: none; }
.v-track::before, .v-buf, .v-fill { content: ""; position: absolute; left: 0; top: 50%; height: 8px; margin-top: -4px; border-radius: 99px; }
.v-track::before { right: 0; background: rgba(22, 54, 92, .15); }
.v-buf { width: 0; background: rgba(22, 54, 92, .22); }
.v-fill { width: 0; background: var(--coral); }
.v-knob { position: absolute; top: 50%; left: 0; width: 18px; height: 18px; margin: -9px 0 0 -9px; border: 2.5px solid var(--ink); border-radius: 50%; background: var(--yellow); transition: scale .15s; }
.v-track:hover .v-knob, .v-track.drag .v-knob, .v-track:focus-visible .v-knob { scale: 1.25; }
.v-track:focus-visible { outline: none; }
.v-track:focus-visible::before { box-shadow: 0 0 0 3px var(--violet); }
@media (max-width: 560px) {
  .v-bar { left: 8px; right: 8px; bottom: 8px; gap: 4px; padding: 4px 8px; }
  .v-btn { width: 32px; height: 32px; }
  .v-time { min-width: 32px; font-size: 11.5px; }
  #v-full { display: none; }
}

/* ------------------------------------------------------------ steps (stacking cards) */
.stack { display: grid; gap: 30px; }
.step-card { position: sticky; top: 110px; display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center; padding: clamp(24px, 4vw, 44px); border: 2.5px solid var(--ink); border-radius: 32px; background: var(--c); color: var(--ink); box-shadow: 7px 7px 0 var(--ink); min-height: 220px; transform-origin: 50% 0; }
.step-card .n { font: 800 clamp(70px, 10vw, 140px)/.8 var(--display); letter-spacing: -.05em; -webkit-text-stroke: 2.5px var(--ink); color: transparent; }
.step-card p { margin: 10px 0 0; font-size: 17px; max-width: 34em; }
.step-card .art { width: clamp(90px, 14vw, 160px); aspect-ratio: 1; display: grid; place-items: center; border: 2.5px solid var(--ink); border-radius: 26px; background: var(--paper); }
.step-card .art .icon { width: 46%; height: 46%; }
@media (max-width: 640px) { .step-card { grid-template-columns: 1fr; gap: 12px; top: 90px; } .step-card .art { display: none; } }

/* ------------------------------------------------------------ numbers */
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.num { padding: 26px 22px; border: 2.5px solid var(--ink); border-radius: 26px; background: var(--paper); box-shadow: 6px 6px 0 var(--ink); }
.num b { display: block; font: 800 clamp(48px, 6vw, 78px)/1 var(--display); letter-spacing: -.04em; }
.num span { display: block; margin-top: 8px; font-weight: 600; font-size: 15px; }
@media (max-width: 860px) { .numbers { grid-template-columns: 1fr 1fr; } }

/* ------------------------------------------------------------ pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; perspective: 1200px; }
.plan { position: relative; display: flex; flex-direction: column; gap: 16px; padding: 30px 26px 28px; border: 2.5px solid var(--ink); border-radius: 30px; background: var(--paper); box-shadow: 7px 7px 0 var(--ink); transform-style: preserve-3d; transition: rotate .2s ease-out; }
.plan.hot { background: var(--yellow); }
.plan .badge { position: absolute; top: -16px; right: 22px; padding: 7px 14px; border: 2.5px solid var(--ink); border-radius: 999px; background: var(--coral); font: 800 13px/1 var(--body); transform: rotate(4deg); }
.plan h3 { font-size: 26px; }
.price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.price b { font: 800 clamp(44px, 5vw, 58px)/1 var(--display); letter-spacing: -.04em; }
.price s { font-weight: 600; opacity: .55; font-size: 18px; }
.price small { width: 100%; font-weight: 600; font-size: 14px; opacity: .75; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15px; }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li .icon { margin-top: 3px; color: var(--mint); }
.plan.hot li .icon { color: var(--ink); }
.plan .btn { margin-top: auto; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; } }

/* ------------------------------------------------------------ install teaser + FAQ */
.mini-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: s; }
.mini-steps li { list-style: none; padding: 22px 20px; border: 2.5px solid var(--ink); border-radius: 24px; background: var(--paper); box-shadow: 5px 5px 0 var(--ink); counter-increment: s; }
.mini-steps li::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px; border-radius: 50%; background: var(--ink); color: var(--yellow); font: 800 18px/1 var(--display); }
.mini-steps b { display: block; font: 800 19px/1.2 var(--display); margin-bottom: 6px; }
.mini-steps p { margin: 0; font-size: 14.5px; }
@media (max-width: 900px) { .mini-steps { grid-template-columns: 1fr 1fr; padding: 0; } }
@media (max-width: 520px) { .mini-steps { grid-template-columns: 1fr; } }
.faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { border: 2.5px solid var(--ink); border-radius: 20px; background: var(--paper); box-shadow: 4px 4px 0 var(--ink); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; font: 700 17px/1.35 var(--body); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--yellow); font: 800 22px/1 var(--display); transition: transform .3s var(--ease-back); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .ans { padding: 0 22px 20px; font-size: 15.5px; }
.faq .ans p { margin: 0 0 8px; }

/* ------------------------------------------------------------ footer */
.footer { position: relative; overflow: hidden; padding: clamp(90px, 12vw, 160px) 0 40px; }
.big-cta { font: 800 clamp(64px, min(15vw, 30vh), 230px)/.85 var(--display); letter-spacing: -.05em; margin: 0 0 40px; }
.big-cta span { display: inline-block; will-change: transform; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 30px; margin-top: 60px; padding-top: 30px; border-top: 2px solid rgba(255, 246, 230, .2); font-size: 15px; }
.foot-grid h4 { margin: 0 0 12px; font: 700 13px/1 var(--body); letter-spacing: .1em; text-transform: uppercase; opacity: .6; }
.foot-grid a { display: block; padding: 4px 0; text-decoration: none; }
.foot-grid a:hover { color: var(--yellow); }
.contact-line, .foot-grid a.contact-line { display: flex; align-items: center; gap: 8px; }
.copy { margin-top: 40px; font-size: 13px; opacity: .55; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ forms, cards, pages (buy / activate / install) */
.page { padding: 120px 0 90px; min-height: 100vh; }
.page-head { display: grid; gap: 14px; margin-bottom: 36px; }
.page-head h1 { font-size: clamp(40px, 6.4vw, 84px); }
.card { border: 2.5px solid var(--ink); border-radius: 28px; background: var(--paper); box-shadow: 7px 7px 0 var(--ink); padding: clamp(20px, 3vw, 32px); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
@media (max-width: 880px) { .grid-2 { grid-template-columns: 1fr; } }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-weight: 700; font-size: 14.5px; }
.field small { font-size: 13px; opacity: .7; }
.input { width: 100%; min-height: 50px; padding: 12px 16px; border: 2.5px solid var(--ink); border-radius: 14px; background: #fff; font-size: 16px; transition: box-shadow .15s; }
.input:focus { outline: none; box-shadow: 4px 4px 0 var(--violet); }
.input.code { font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }
textarea.input { min-height: 120px; resize: vertical; font: 500 13px/1.5 var(--mono); word-break: break-all; }
.plan-pick { display: grid; gap: 12px; margin-bottom: 20px; }
.plan-opt { position: relative; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 16px 18px; border: 2.5px solid var(--ink); border-radius: 18px; background: #fff; cursor: pointer; transition: background .2s, transform .2s var(--ease-back); }
.plan-opt:hover { transform: translateY(-2px); }
.plan-opt input { appearance: none; width: 22px; height: 22px; margin: 0; border: 2.5px solid var(--ink); border-radius: 50%; display: grid; place-items: center; }
.plan-opt input:checked::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--ink); }
.plan-opt:has(input:checked) { background: var(--yellow); }
.plan-opt b { font: 800 19px/1.2 var(--display); }
.plan-opt span { display: block; font-size: 13.5px; opacity: .75; }
.plan-opt .p { text-align: right; font: 800 21px/1 var(--display); }
.plan-opt .p s { display: block; font: 600 13px/1.4 var(--body); opacity: .55; }
.err { min-height: 1.4em; margin: 8px 0 0; color: var(--bad); font-weight: 600; font-size: 14.5px; }
.ok-text { color: var(--ok); font-weight: 700; }
.pay { display: grid; grid-template-columns: 250px 1fr; gap: 26px; align-items: start; }
.qr { width: 250px; padding: 10px; border: 2.5px solid var(--ink); border-radius: 22px; background: #fff; }
.qr img { width: 100%; aspect-ratio: 1 / 1.1; object-fit: contain; }
@media (max-width: 620px) { .pay { grid-template-columns: 1fr; justify-items: center; } }
.kv { display: grid; gap: 10px; margin: 0; }
.kv > div { display: grid; grid-template-columns: 120px 1fr auto; gap: 10px; align-items: center; padding: 10px 14px; border: 2px solid var(--line); border-radius: 14px; background: #fff; }
.kv dt { font-size: 13.5px; opacity: .7; }
.kv dd { margin: 0; font-weight: 800; word-break: break-all; }
.kv .copy-btn { padding: 6px 12px; border: 2px solid var(--ink); border-radius: 999px; background: var(--yellow); font: 700 12.5px/1 var(--body); cursor: pointer; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--ink); color: var(--cream); font-weight: 700; font-size: 14px; }
.status-pill .pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { transform: scale(1.6); opacity: .4; } }
.success { text-align: center; display: grid; gap: 16px; justify-items: center; }
.success .burst { width: 110px; height: 110px; display: grid; place-items: center; border: 3px solid var(--ink); border-radius: 50%; background: var(--mint-l); box-shadow: 6px 6px 0 var(--ink); }
.success .burst .icon { width: 56px; height: 56px; }
.license-code { display: inline-block; padding: 14px 22px; border: 2.5px dashed var(--ink); border-radius: 16px; background: #fff; font: 800 clamp(20px, 3.6vw, 30px)/1 var(--mono); letter-spacing: .08em; }
.note { padding: 14px 18px; border: 2px solid var(--ink); border-radius: 16px; background: var(--cream); font-size: 14.5px; }
.note.warn { background: #ffe9b0; }
.hidden { display: none !important; }
.toast { position: fixed; z-index: 100; left: 50%; bottom: 24px; transform: translate(-50%, 140%); padding: 12px 20px; border: 2.5px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--cream); font-weight: 700; box-shadow: 4px 4px 0 var(--yellow); transition: transform .35s var(--ease-back); max-width: calc(100% - 32px); }
.toast.show { transform: translate(-50%, 0); }

/* install guide */
.guide { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }
.toc { position: sticky; top: 110px; display: grid; gap: 4px; padding: 16px; border: 2.5px solid var(--ink); border-radius: 22px; background: var(--paper); }
.toc a { padding: 8px 12px; border-radius: 12px; font-weight: 600; font-size: 14.5px; text-decoration: none; }
.toc a:hover, .toc a.on { background: var(--yellow); }
.g-step { position: relative; padding: 0 0 50px 72px; }
.g-step::before { content: ""; position: absolute; left: 25px; top: 54px; bottom: 0; width: 3px; background: repeating-linear-gradient(var(--ink) 0 8px, transparent 8px 16px); opacity: .35; }
.g-step:last-child::before { display: none; }
.g-num { position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 54px; height: 54px; border: 2.5px solid var(--ink); border-radius: 50%; background: var(--c, var(--yellow)); font: 800 22px/1 var(--display); box-shadow: 3px 3px 0 var(--ink); }
.g-step h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 8px 0 14px; }
.g-step p, .g-step li { font-size: 16px; }
.g-step ol, .g-step ul { padding-left: 22px; display: grid; gap: 6px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.tab-panel { display: none; }
.tab-panel.on { display: block; }
.cmd { position: relative; margin: 12px 0; padding: 16px 18px; padding-right: 90px; border: 2.5px solid var(--ink); border-radius: 16px; background: #1e2022; color: #d5f5ea; font: 500 13.5px/1.55 var(--mono); white-space: pre-wrap; word-break: break-all; }
.cmd button { position: absolute; top: 10px; right: 10px; padding: 6px 12px; border: 2px solid var(--cream); border-radius: 999px; background: transparent; color: var(--cream); font: 700 12px/1 var(--body); cursor: pointer; }
kbd, .path { padding: 2px 8px; border: 1.5px solid var(--ink); border-radius: 7px; background: #fff; font: 600 13.5px/1.6 var(--mono); white-space: nowrap; }
.path { white-space: normal; word-break: break-all; }
.shot { margin: 14px 0; border: 2.5px solid var(--ink); border-radius: 18px; overflow: hidden; box-shadow: 5px 5px 0 var(--ink); max-width: 420px; }
@media (max-width: 900px) { .guide { grid-template-columns: 1fr; } .toc { position: static; grid-auto-flow: column; overflow-x: auto; } .g-step { padding-left: 64px; } }

/* custom cursor (fine pointers only) */
.cur { position: fixed; z-index: 200; left: 0; top: 0; width: 18px; height: 18px; margin: -9px; border: 2px solid var(--ink); border-radius: 50%; pointer-events: none; mix-blend-mode: difference; border-color: #fff; transition: width .25s, height .25s, margin .25s, background .25s; }
.cur.big { width: 54px; height: 54px; margin: -27px; background: rgba(255, 255, 255, .15); }
@media (pointer: coarse) { .cur { display: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .cur { display: none; }
}

/* hero decoration */
.hero .shape { will-change: transform; }
.stage { transform-style: preserve-3d; }
@media (max-width: 960px) { .hero .s1, .hero .s2 { display: none; } .hero .shape { opacity: .9; } }
.page-404 { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 120px 16px; }
.page-404 b { display: block; font: 800 clamp(120px, 28vw, 300px)/.8 var(--display); letter-spacing: -.06em; }

/* ------------------------------------------------------------ language: first-visit popup + nav toggle */
.i18n-wait body { opacity: 0; }
.lang-toggle { display: inline-flex; flex: none; padding: 3px; border: 2px solid var(--ink); border-radius: 999px; background: var(--paper); cursor: pointer; font: 800 12.5px/1 var(--body); }
.lang-toggle span { padding: 7px 9px; border-radius: 999px; color: var(--ink); opacity: .55; }
.lang-toggle span.on { background: var(--ink); color: var(--cream); opacity: 1; }
@media (max-width: 900px) { .nav .lang-toggle { margin-left: auto; } .nav .lang-toggle + .btn + .nav-toggle, .nav .lang-toggle ~ .nav-toggle { margin-left: 8px; } }
.lang-pop { position: fixed; z-index: 300; inset: 0; display: grid; place-items: center; padding: 16px; background: rgba(14, 36, 64, .55); backdrop-filter: blur(6px); opacity: 0; transition: opacity .3s; }
.lang-pop.show { opacity: 1; }
.lang-pop.leaving { opacity: 0; }
.lang-card { width: min(520px, 100%); padding: clamp(24px, 4vw, 38px); border: 3px solid var(--ink); border-radius: 32px; background: var(--yellow); box-shadow: 9px 9px 0 var(--ink); text-align: center; transform: translateY(30px) scale(.94) rotate(-1.5deg); transition: transform .45s var(--ease-back); }
.lang-pop.show .lang-card { transform: none; }
.lang-mark { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 16px; }
.lang-mark .icon { width: 28px; height: 28px; }
.lang-card h2 { font-size: clamp(30px, 5vw, 42px); }
.lang-card h2 small { display: block; margin-top: 6px; font: 600 16px/1.3 var(--body); letter-spacing: 0; opacity: .75; }
.lang-choices { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 26px 0 18px; }
.lang-opt { display: grid; justify-items: center; gap: 6px; padding: 20px 12px 18px; border: 2.5px solid var(--ink); border-radius: 22px; background: var(--paper); color: var(--ink); box-shadow: 5px 5px 0 var(--ink); cursor: pointer; transition: translate .2s var(--ease-back), box-shadow .2s, background .2s; }
.lang-opt:hover, .lang-opt:focus-visible { translate: -2px -3px; box-shadow: 7px 8px 0 var(--ink); background: #fff; outline: none; }
.lang-opt.hint { background: var(--mint-l); }
.lang-opt .flag { display: grid; place-items: center; width: 54px; height: 54px; border: 2.5px solid var(--ink); border-radius: 50%; background: var(--ink); color: var(--yellow); font: 800 18px/1 var(--display); }
.lang-opt b { font: 800 20px/1.1 var(--display); }
.lang-opt small { font-size: 13px; opacity: .7; }
.lang-note { margin: 0; font-size: 13px; opacity: .75; }
@media (max-width: 420px) { .lang-choices { grid-template-columns: 1fr; } }