/* CHRONOS · web pública (portada, manual y centro de equipos) */
@font-face { font-family: "Montserrat"; src: url(fonts/montserrat.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Inter"; src: url(fonts/inter.woff2) format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "DSEG7"; src: url(dseg7.woff2) format("woff2"); font-display: block; }

:root {
  --bg: #040914;
  --bg2: #071226;
  --card: rgba(14, 30, 58, .55);
  --line: rgba(120, 200, 255, .14);
  --txt: #e8f1ff;
  --mut: #8ea3c4;
  --cyan: #2ee6ff;
  --blue: #2f7bff;
  --green: #3dff8a;
  --amber: #ffb020;
  --red: #ff3b3b;
  --magenta: #ff5fa2;
  --radius: 18px;
  --max: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --head: "Montserrat", var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--txt); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--head); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(30px, 4.4vw, 54px); font-weight: 700; }
h3 { font-size: 21px; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.mut { color: var(--mut); }
.kicker { font: 600 13px/1 var(--head); letter-spacing: .28em; text-transform: uppercase; color: var(--cyan); margin-bottom: 18px; display: inline-flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 28px; height: 2px; background: currentColor; box-shadow: 0 0 10px currentColor; }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: #b9c9e4; max-width: 760px; }
.grad { background: linear-gradient(92deg, #fff 10%, var(--cyan) 55%, var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.seg { font-family: "DSEG7", monospace; font-weight: 700; letter-spacing: .02em; }

/* ---------- navegación ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.nav.solid { background: rgba(4, 9, 20, .82); backdrop-filter: blur(14px); border-color: var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font: 300 24px/1 var(--head); letter-spacing: .14em; }
.logo:hover { text-decoration: none; }
.logo svg { width: 30px; height: 30px; }
.logo b { font-weight: 600; }
.nav nav { display: flex; gap: 24px; margin-left: auto; }
.nav nav a { color: #c4d3ec; font-size: 15px; font-weight: 500; }
.nav nav a:hover, .nav nav a.on { color: #fff; text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 24px; border-radius: 999px; font: 600 15px/1 var(--head); letter-spacing: .02em; border: 1px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; color: #fff; background: none; }
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-p { background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #031024; box-shadow: 0 8px 30px -8px rgba(46, 230, 255, .6); }
.btn-p:hover { box-shadow: 0 12px 40px -6px rgba(46, 230, 255, .8); }
.btn-g { border-color: rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .04); }
.btn-g:hover { border-color: var(--cyan); }
.btn-s { padding: 10px 18px; font-size: 14px; }
.burger { display: none; margin-left: auto; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.burger svg { width: 26px; height: 26px; }

/* ---------- portada ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 110px 0 70px; overflow: hidden; isolation: isolate; }
#rain { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 70% 60% at 50% 45%, transparent, var(--bg) 85%), linear-gradient(transparent 70%, var(--bg)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero-grid > *, .split > *, .unit > * { min-width: 0; }
.hero h1 { font-size: clamp(40px, 5.6vw, 76px); font-weight: 800; margin-bottom: 22px; }
.hero h1 span { display: block; }
.hero .lead { margin-bottom: 34px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 38px; color: var(--mut); font-size: 14px; }
.hero-badges span { display: inline-flex; align-items: center; gap: 8px; }
.hero-badges i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }

/* panel 7" de la portada */
.device { position: relative; border-radius: 22px; padding: 14px; background: linear-gradient(160deg, #1b2335, #0a0f1b 60%); box-shadow: 0 40px 120px -30px rgba(46, 230, 255, .35), 0 0 0 1px rgba(255, 255, 255, .08) inset, 0 2px 0 rgba(255, 255, 255, .12) inset; transform: perspective(1400px) rotateY(-10deg) rotateX(4deg); transition: transform .6s; }
.device:hover { transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }
.screen { position: relative; aspect-ratio: 800 / 480; border-radius: 10px; overflow: hidden; background: radial-gradient(120% 90% at 50% 0%, #0d2142, #050b17 70%); container-type: inline-size; font-family: var(--head); }
.scr-top { display: flex; align-items: center; justify-content: space-between; padding: 2.4cqw 3cqw 0; font-size: 2.4cqw; color: var(--mut); letter-spacing: .1em; }
.badge { padding: .5cqw 1.4cqw; border-radius: 99px; font-weight: 700; font-size: 2cqw; letter-spacing: .1em; }
.badge.ok { color: #04150b; background: var(--green); box-shadow: 0 0 2cqw rgba(61, 255, 138, .5); }
.scr-name { padding: 2cqw 3cqw 0; font-size: 4.6cqw; font-weight: 700; color: #fff; letter-spacing: .04em; }
.scr-name small { display: block; font-size: 2.3cqw; font-weight: 500; color: var(--cyan); letter-spacing: .2em; margin-top: .4cqw; }
.scr-time { padding: 1cqw 3cqw 0; font-size: 15.5cqw; line-height: 1.05; color: #fff; text-shadow: 0 0 3cqw rgba(46, 230, 255, .55); transition: color .3s, text-shadow .3s; }
.scr-time.run { color: var(--amber); text-shadow: 0 0 3cqw rgba(255, 176, 32, .5); }
.scr-time.fin { color: var(--green); text-shadow: 0 0 3cqw rgba(61, 255, 138, .55); }
.scr-row { display: flex; gap: 1.6cqw; padding: 1.8cqw 3cqw 0; }
.chip { flex: 1; border-radius: 1.4cqw; padding: 1.2cqw 1.6cqw; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .08); font-size: 1.9cqw; color: var(--mut); letter-spacing: .08em; }
.chip b { display: block; font-size: 3.2cqw; color: #fff; letter-spacing: 0; margin-top: .3cqw; font-variant-numeric: tabular-nums; }
.chip.rec { border-color: rgba(255, 176, 32, .5); }
.chip.rec b { color: var(--amber); }
.scr-cells { position: absolute; right: 3cqw; bottom: 2.4cqw; display: flex; gap: 1cqw; }
.scr-cells span { width: 4.2cqw; height: 4.2cqw; border-radius: 1cqw; display: grid; place-items: center; font-size: 2.2cqw; font-weight: 800; color: #04150b; background: var(--green); }
.toast { position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%) scale(.6); opacity: 0; padding: 1.6cqw 4cqw; border-radius: 2cqw; font-weight: 800; font-size: 5cqw; letter-spacing: .12em; color: #1a0f00; background: linear-gradient(135deg, #ffd166, var(--amber)); box-shadow: 0 0 6cqw rgba(255, 176, 32, .7); transition: .35s cubic-bezier(.3, 1.6, .5, 1); pointer-events: none; }
.toast.on { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- secciones ---------- */
section { position: relative; padding: clamp(80px, 11vw, 140px) 0; }
.sec-head { max-width: 820px; margin-bottom: 56px; }
.sec-head.c { margin-inline: auto; text-align: center; }
.sec-head.c .lead { margin-inline: auto; }
.alt { background: linear-gradient(180deg, var(--bg), var(--bg2) 30%, var(--bg2) 70%, var(--bg)); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--bg); padding: 30px 26px; }
.stat b { display: block; font: 800 clamp(34px, 4vw, 48px)/1 var(--head); margin-bottom: 8px; }
.stat span { color: var(--mut); font-size: 15px; }

/* pista */
.track-card { border-radius: 24px; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(10, 25, 50, .7), rgba(4, 9, 20, .7)); padding: clamp(16px, 3vw, 34px); box-shadow: 0 30px 100px -40px rgba(47, 123, 255, .5); }
.track-head { display: flex; flex-wrap: wrap; gap: 14px 30px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.lanes-time { display: flex; gap: 26px; }
.lt { font-size: 13px; color: var(--mut); letter-spacing: .14em; font-family: var(--head); font-weight: 600; }
.lt .seg { display: block; font-size: clamp(26px, 3.6vw, 40px); color: #fff; letter-spacing: 0; margin-top: 4px; transition: color .3s; }
.lt.win .seg { color: var(--green); text-shadow: 0 0 18px rgba(61, 255, 138, .5); }
.seq { font: 700 clamp(15px, 2vw, 22px)/1 var(--head); letter-spacing: .18em; color: var(--amber); min-height: 1em; }
#track { width: 100%; height: auto; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 34px; }
.step { padding: 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); }
.step em { font: 800 13px/1 var(--head); color: var(--cyan); font-style: normal; letter-spacing: .2em; }
.step h3 { margin: 10px 0 8px; font-size: 18px; }
.step p { color: var(--mut); font-size: 15px; margin: 0; }

/* modos */
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mode { position: relative; padding: 30px 28px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); overflow: hidden; transition: transform .35s, border-color .35s; }
.mode::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, var(--c, var(--cyan)), transparent 45%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .7; }
.mode:hover { transform: translateY(-6px); }
.mode .ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: color-mix(in srgb, var(--c, var(--cyan)) 16%, transparent); color: var(--c, var(--cyan)); margin-bottom: 20px; }
.mode .ic svg { width: 28px; height: 28px; }
.mode h3 { font-size: 22px; }
.mode p { color: var(--mut); margin: 0 0 14px; }
.mode ul { margin: 0; padding: 0; list-style: none; font-size: 14.5px; color: #c4d3ec; }
.mode li { padding-left: 20px; position: relative; margin: 6px 0; }
.mode li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 2px; background: var(--c, var(--cyan)); }

/* equipos */
.gear { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.unit { display: grid; grid-template-rows: auto 1fr; border-radius: 24px; background: var(--card); border: 1px solid var(--line); overflow: hidden; }
.unit.wide { grid-column: 1 / -1; grid-template-rows: none; grid-template-columns: 1.1fr 1fr; }
.unit .vis { min-height: 240px; display: grid; place-items: center; padding: 30px; background: radial-gradient(80% 90% at 50% 100%, rgba(47, 123, 255, .22), transparent 70%); }
.unit .txt { padding: 28px 30px 32px; }
.unit .txt p { color: var(--mut); }
.tag { display: inline-block; font: 700 11.5px/1 var(--head); letter-spacing: .18em; color: var(--cyan); padding: 7px 10px; border-radius: 6px; background: rgba(46, 230, 255, .1); margin-bottom: 14px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 15px; }
.ticks li { display: flex; gap: 10px; }
.ticks li::before { content: "✓"; color: var(--green); font-weight: 700; }

#mx { width: 100%; max-width: 520px; height: auto; border-radius: 10px; background: #000; box-shadow: 0 0 0 10px #111, 0 0 0 11px #2a2a2a, 0 30px 80px -20px rgba(255, 60, 60, .25); image-rendering: pixelated; }
.atoms { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; }
.atom { width: 104px; padding: 10px; border-radius: 16px; background: linear-gradient(160deg, #3a3f4a, #1b1e25); box-shadow: 0 16px 40px -14px rgba(0, 0, 0, .8), 0 1px 0 rgba(255, 255, 255, .15) inset; }
.atom .m { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; padding: 8px; border-radius: 10px; background: #0b0d12; }
.atom .m i { aspect-ratio: 1; border-radius: 50%; background: #1b2028; transition: background .25s, box-shadow .25s; }
.atom .m i.on { background: var(--led, var(--green)); box-shadow: 0 0 8px var(--led, var(--green)); }
.atom small { display: block; text-align: center; margin-top: 8px; font: 600 11px/1.2 var(--head); letter-spacing: .14em; color: var(--mut); }
.phone { width: 230px; aspect-ratio: 9 / 18.5; border-radius: 34px; padding: 10px; background: linear-gradient(160deg, #2a2f3a, #0d1017); box-shadow: 0 30px 80px -20px rgba(46, 230, 255, .3), 0 0 0 1px rgba(255, 255, 255, .1) inset; }
.phone .ps { height: 100%; border-radius: 26px; background: #060c18; overflow: hidden; display: flex; flex-direction: column; font-family: var(--head); container-type: inline-size; }
.ps .bar { display: flex; gap: 2px; padding: 26px 8px 8px; font-size: 6.4cqw; font-weight: 700; letter-spacing: .06em; }
.ps .bar span { flex: 1; text-align: center; padding: 6px 0; border-radius: 6px; color: var(--mut); }
.ps .bar span.on { background: rgba(46, 230, 255, .14); color: var(--cyan); }
.ps .lane { margin: 6px 10px; padding: 10px 12px; border-radius: 12px; background: rgba(255, 255, 255, .05); }
.ps .lane small { font-size: 5.4cqw; color: var(--mut); letter-spacing: .1em; }
.ps .lane .seg { font-size: 15cqw; color: #fff; }
.ps .lane.g .seg { color: var(--green); }
.ps .btns { margin-top: auto; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; padding: 10px; }
.ps .btns span { padding: 9px 0; border-radius: 9px; text-align: center; font-size: 5.6cqw; font-weight: 800; color: #031024; background: var(--green); }
.ps .btns span:nth-child(2) { background: var(--amber); }
.ps .btns span:nth-child(3) { background: var(--red); color: #fff; }

/* reglamento */
.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.rule { display: flex; gap: 16px; padding: 20px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255, 255, 255, .02); }
.rule b { flex: none; font: 800 22px/1 var(--head); color: var(--amber); min-width: 58px; }
.rule p { margin: 0; font-size: 15px; color: #c4d3ec; }
.note { font-size: 13.5px; color: var(--mut); margin-top: 22px; }

/* voz / datos */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.wave { display: flex; align-items: center; gap: 4px; height: 90px; }
.wave i { flex: 1; border-radius: 4px; background: linear-gradient(var(--cyan), var(--blue)); animation: wv 1.1s ease-in-out infinite; animation-delay: calc(var(--d) * -1s); transform-origin: center; }
@keyframes wv { 0%, 100% { transform: scaleY(.15); } 50% { transform: scaleY(1); } }
.quote { margin-top: 26px; padding: 22px 24px; border-radius: 16px; background: rgba(46, 230, 255, .06); border-left: 3px solid var(--cyan); font: 600 19px/1.5 var(--head); }
.quote span { color: var(--mut); font-weight: 500; font-size: 14px; display: block; margin-top: 8px; font-family: var(--font); }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; padding: 22px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }
.cal b { font: 700 11px/1 var(--head); color: var(--mut); text-align: center; padding-bottom: 6px; letter-spacing: .1em; }
.cal i { aspect-ratio: 1; border-radius: 8px; background: rgba(255, 255, 255, .04); font: 600 12px/1 var(--head); font-style: normal; display: grid; place-items: center; color: #5b6f91; }
.cal i.l1 { background: rgba(61, 255, 138, .18); color: #bfffd6; }
.cal i.l2 { background: rgba(61, 255, 138, .4); color: #eafff1; }
.cal i.l3 { background: var(--green); color: #04150b; }
.cal i.today { box-shadow: 0 0 0 2px var(--cyan) inset; }

.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat div { padding: 24px; border-radius: 18px; border: 1px solid var(--line); background: var(--card); }
.feat h3 { font-size: 17px; }
.feat p { margin: 0; color: var(--mut); font-size: 15px; }

/* llamada final */
.cta { text-align: center; padding: clamp(50px, 7vw, 90px) 24px; border-radius: 30px; background: radial-gradient(80% 120% at 50% 0%, rgba(46, 230, 255, .25), transparent 60%), linear-gradient(160deg, #0b1d3d, #050b17); border: 1px solid rgba(46, 230, 255, .25); }
.cta .lead { margin: 0 auto 30px; }
.cta .cta-row { justify-content: center; }

footer { padding: 50px 0 60px; border-top: 1px solid var(--line); color: var(--mut); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center; justify-content: space-between; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer nav a { color: var(--mut); }

/* aparición al hacer scroll */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } .wave i { animation: none; } html { scroll-behavior: auto; } }

/* ---------- manual ---------- */
.doc { display: grid; grid-template-columns: 250px 1fr; gap: 56px; padding-top: 110px; padding-bottom: 90px; }
.toc { position: sticky; top: 96px; align-self: start; max-height: calc(100vh - 120px); overflow: auto; font-size: 14.5px; padding-right: 8px; }
.toc b { display: block; font: 700 12px/1 var(--head); letter-spacing: .2em; color: var(--mut); margin: 22px 0 10px; }
.toc a { display: block; color: #b9c9e4; padding: 5px 0 5px 12px; border-left: 2px solid transparent; }
.toc a:hover, .toc a.on { color: #fff; border-color: var(--cyan); text-decoration: none; }
.doc article { min-width: 0; max-width: 820px; }
.doc article h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 800; }
.doc article h2 { font-size: clamp(26px, 3vw, 34px); margin-top: 70px; padding-top: 10px; }
.doc article h3 { margin-top: 34px; font-size: 19px; color: #fff; }
.doc article p, .doc article li { color: #c4d3ec; }
.doc article ul, .doc article ol { padding-left: 22px; }
.doc article li { margin: 6px 0; }
.doc article strong { color: #fff; }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 14.5px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font: 700 12px/1.3 var(--head); letter-spacing: .12em; color: var(--cyan); text-transform: uppercase; background: rgba(46, 230, 255, .05); }
.doc td { color: #c4d3ec; }
.box { margin: 22px 0; padding: 18px 22px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); font-size: 15px; }
.box.warn { border-color: rgba(255, 176, 32, .4); background: rgba(255, 176, 32, .07); }
.box.ok { border-color: rgba(61, 255, 138, .35); background: rgba(61, 255, 138, .06); }
.box p:last-child { margin: 0; }
kbd { font: 600 12.5px/1 var(--head); padding: 4px 8px; border-radius: 6px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); color: #fff; white-space: nowrap; }
.pill { display: inline-block; font: 700 12px/1 var(--head); padding: 5px 9px; border-radius: 6px; letter-spacing: .08em; color: #04150b; }
.p-g { background: var(--green); } .p-a { background: var(--amber); } .p-r { background: var(--red); color: #fff; } .p-c { background: var(--cyan); } .p-m { background: var(--magenta); color: #fff; } .p-b { background: #3b6bff; color: #fff; }
.figure { margin: 26px 0; padding: 22px; border-radius: 18px; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(10, 25, 50, .6), rgba(4, 9, 20, .6)); }
.figure figcaption { font-size: 13.5px; color: var(--mut); margin-top: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero-grid, .split, .unit.wide { grid-template-columns: 1fr; }
  .device { transform: none; width: 100%; max-width: 640px; margin: 0 auto; }
  .modes { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .feat { grid-template-columns: 1fr 1fr; }
  .doc { grid-template-columns: 1fr; gap: 0; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: 14px; padding: 6px 18px 16px; margin-bottom: 30px; columns: 2; }
  .toc b { break-after: avoid; }
}
@media (max-width: 760px) {
  .nav nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(4, 9, 20, .97); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .nav nav.open { display: flex; }
  .nav nav a { padding: 12px 4px; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav .btn-p.hide-m { display: none; }
  .burger { display: block; }
  .modes, .gear, .steps, .feat { grid-template-columns: 1fr; }
  .lanes-time { gap: 16px; }
  .toc { columns: 1; }
  .phone { width: 200px; }
}