/* =========================================================
   Plazaba Tech · landing v2
   Editorial type system: Inter (display + text) · Geist Mono (data)
   Brand: Signal Blue #2F7BFF · Ink #0B1220
   ========================================================= */

:root {
  --ink: #0B1220;
  --ink-2: #0E1728;
  --ink-3: #142036;
  --blue: #2F7BFF;
  --blue-soft: #8DB5FF;
  --white: #FFFFFF;
  --silver: #AEB6C4;
  --graphite: #5E6675;
  --paper: #F2F4F8;
  --alert: #FF3B3B;
  --line: rgba(174, 182, 196, .16);
  --line-2: rgba(174, 182, 196, .3);
  --line-ink: rgba(11, 18, 32, .14);

  --pad: clamp(20px, 3.4vw, 56px);
  --gap: clamp(16px, 1.8vw, 28px);
  --max: 1600px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ink); color: var(--white);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-optical-sizing: auto; font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; font-feature-settings: "cv11", "ss01", "ss03";
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }
button, input, select { font: inherit; color: inherit; }
::selection { background: var(--blue); color: #fff; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.light { background: var(--paper); color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); }

/* ---------- type ---------- */
.mono { font-family: var(--mono); font-size: 12px; font-weight: 400; letter-spacing: .04em; text-transform: uppercase; line-height: 1.4; }
.t-hero { font-size: clamp(56px, 8.6vw, 160px); font-weight: 500; line-height: .88; letter-spacing: -.058em; margin: 0; }
.t-hero--md { font-size: clamp(48px, 7.4vw, 136px); }
.t-xl { font-size: clamp(42px, 6.2vw, 112px); font-weight: 500; line-height: .92; letter-spacing: -.052em; }
.t-l { font-size: clamp(34px, 4.4vw, 76px); font-weight: 500; line-height: .96; letter-spacing: -.045em; }
.dim { color: rgba(255, 255, 255, .36); }
.dim-ink { color: rgba(11, 18, 32, .3); }
.lead { font-size: clamp(17px, 1.3vw, 20px); line-height: 1.5; color: var(--silver); max-width: 32ch; }
h3 { font-size: clamp(19px, 1.5vw, 24px); font-weight: 500; letter-spacing: -.02em; line-height: 1.2; }

/* section index: the editorial spine of the page */
.sec-head {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap);
  padding-top: 16px; border-top: 1px solid var(--line-2);
  font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--silver); margin-bottom: clamp(48px, 6vw, 96px);
}
.sec-head .n { grid-column: 1 / 2; color: var(--blue-soft); }
.sec-head .t { grid-column: 2 / 7; color: #fff; }
.sec-head .r { grid-column: 7 / 13; text-align: right; }
.light .sec-head, .sec-head--ink { border-color: rgba(11,18,32,.22); color: var(--graphite); }
.light .sec-head .t, .sec-head--ink .t { color: var(--ink); }
.light .sec-head .n, .sec-head--ink .n { color: var(--blue); }

/* rows: numbered lists separated by hairlines */
.rows li { display: grid; grid-template-columns: 56px 1fr 1.3fr; gap: var(--gap); align-items: baseline; padding: 20px 0 22px; border-top: 1px solid var(--line); }
.rows li:last-child { border-bottom: 1px solid var(--line); }
.rows .mono { color: var(--blue-soft); }
.rows p { color: var(--silver); font-size: 15.5px; }
.light .rows li { border-color: var(--line-ink); }
.light .rows .mono { color: var(--blue); }
.light .rows p { color: var(--graphite); }

.hud { font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; font-variant-numeric: tabular-nums; color: rgba(255, 255, 255, .8); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 9px; vertical-align: 1px; }
.dot--blue { background: var(--blue); animation: blink 2.4s var(--ease-io) infinite; }
.dot--grey { background: var(--silver); }
.sigsq { display: inline-block; width: 8px; height: 8px; background: var(--blue); margin-right: 10px; vertical-align: 0; animation: blink 2.4s var(--ease-io) infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; height: 50px; padding: 0 16px 0 20px;
  border-radius: 3px; font-size: 15px; font-weight: 500; letter-spacing: -.01em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background .5s var(--ease), border-color .5s var(--ease), color .5s var(--ease);
}
.btn svg { width: 17px; height: 17px; stroke-width: 1.6; transition: transform .6s var(--ease); }
.btn:hover svg { transform: translate(2px, -2px); }
.btn--blue { background: var(--blue); color: #fff; }
.btn--blue:hover { background: #4A8CFF; }
.btn--line { border-color: rgba(255,255,255,.28); color: #fff; }
.btn--line:hover { border-color: #fff; }
.btn--line:hover svg { transform: translateY(2px); }
.btn--sm { height: 40px; padding: 0 12px 0 16px; font-size: 14px; gap: 12px; }

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(26px); filter: blur(6px);
  transition: opacity 1.2s var(--ease) var(--d, 0s), transform 1.4s var(--ease) var(--d, 0s), filter 1.2s var(--ease) var(--d, 0s); }
.rv.in { opacity: 1; transform: none; filter: none; }
.ln { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.ln > span { display: block; transform: translateY(108%); transition: transform 1.6s var(--ease); }
.is-ready .ln > span { transform: none; }
.ln:nth-child(2) > span { transition-delay: .12s; }
.ln:nth-child(3) > span { transition-delay: .24s; }
/* images unmask upward and settle */
.shot { clip-path: inset(100% 0 0 0); transition: clip-path 1.6s var(--ease) var(--d, 0s); }
.shot img { transform: scale(1.18); transition: transform 2.4s var(--ease) var(--d, 0s), opacity 1.2s var(--ease); }
.shot.in { clip-path: inset(0 0 0 0); }
.shot.in img { transform: none; }

/* ---------- header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 76px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 var(--pad);
  transition: background .6s var(--ease), border-color .6s var(--ease), height .6s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-solid { background: rgba(11, 18, 32, .76); backdrop-filter: blur(18px) saturate(1.3); border-color: var(--line); height: 64px; }
.hdr.is-light { background: rgba(242, 244, 248, .82); border-color: var(--line-ink); }
.hdr__logo { color: #fff; display: flex; transition: color .6s var(--ease); }
.hdr.is-light .hdr__logo { color: var(--ink); }
.hdr__logo .logo-svg { height: 28px; width: auto; }
.logo-svg .sig { animation: blink 2.4s var(--ease-io) infinite; }
.hdr__nav { display: flex; gap: 32px; color: rgba(255,255,255,.66); margin-left: auto; margin-right: 22px; }
.hdr.is-light .hdr__nav { color: rgba(11,18,32,.6); }
.hdr__nav a { position: relative; transition: color .4s var(--ease); }
.hdr__nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.hdr__nav a:hover { color: #fff; }
.hdr.is-light .hdr__nav a:hover { color: var(--ink); }
.hdr__nav a:hover::after { transform: scaleX(1); }

/* ---------- viewfinder corners ---------- */
.vf { position: absolute; inset: 96px var(--pad) 70px; pointer-events: none; z-index: 3; }
.vf i { position: absolute; width: 22px; height: 22px; border: 0 solid rgba(255,255,255,.42); }
.vf i:nth-child(1) { left: 0; top: 0; border-left-width: 1px; border-top-width: 1px; }
.vf i:nth-child(2) { right: 0; top: 0; border-right-width: 1px; border-top-width: 1px; }
.vf i:nth-child(3) { right: 0; bottom: 0; border-right-width: 1px; border-bottom-width: 1px; }
.vf i:nth-child(4) { left: 0; bottom: 0; border-left-width: 1px; border-bottom-width: 1px; }
.vf--sm { inset: 18px; }
.vf--sm i { width: 16px; height: 16px; }

/* =========================================================
   HERO
   ========================================================= */
.hero { position: relative; height: 100svh; min-height: 720px; overflow: hidden; background: #05080F; }
.hero__media { position: absolute; inset: 0; will-change: transform; }
.hero__img { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); opacity: 0; transition: opacity 2.2s var(--ease); }
.is-ready .hero__img { opacity: 1; }
.hero__shade { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5,8,15,.9) 0%, rgba(5,8,15,.6) 28%, rgba(5,8,15,.1) 55%, rgba(5,8,15,0) 70%),
    linear-gradient(0deg, rgba(5,8,15,.92) 0%, rgba(5,8,15,0) 38%),
    linear-gradient(180deg, rgba(5,8,15,.6) 0%, rgba(5,8,15,0) 18%); }
.hero__fx { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; opacity: 0; transition: opacity 1.6s var(--ease) .9s; }
.is-ready .hero__fx { opacity: 1; }
.ret__label { font: 500 11px var(--mono); letter-spacing: .06em; fill: #fff; }
.ret__sub { font: 400 10px var(--mono); letter-spacing: .06em; fill: var(--blue-soft); }
.ret__ping { animation: ping 2.2s var(--ease) infinite; transform-origin: center; transform-box: fill-box; }
@keyframes ping { 0% { transform: scale(.4); opacity: .9; } 100% { transform: scale(3.2); opacity: 0; } }
.hero .vf { opacity: 0; transition: opacity 1.4s var(--ease) 1.2s; }
.is-ready .hero .vf { opacity: 1; }

/* text block sits in the vertical centre of the viewfinder frame (96px top, 70px bottom) */
.hero__content { position: relative; z-index: 4; height: 100%; display: flex; flex-direction: column; justify-content: center; padding-top: 96px; padding-bottom: 70px; }
.hero__kicker { color: rgba(255,255,255,.7); margin-bottom: 28px; }
.hero__content .t-hero { margin-bottom: 44px; }
/* scroll cue: icon only, on the horizontal centre, sitting on the bottom line of the viewfinder frame */
.hero__next { position: absolute; left: 0; right: 0; bottom: 70px; z-index: 4; width: 48px; height: 48px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.28); border-radius: 3px; color: #fff;
  opacity: 0; transform: translateY(12px);
  transition: opacity 1.4s var(--ease) 1.2s, transform 1.4s var(--ease) 1.2s, border-color .5s var(--ease); }
.is-ready .hero__next { opacity: 1; transform: none; }
.hero__next:hover { border-color: #fff; }
.hero__next svg { width: 18px; height: 18px; stroke-width: 1.6; transition: transform .6s var(--ease); }
.hero__next:hover svg { transform: translateY(3px); }
.hero__hud { position: absolute; left: 0; right: 0; bottom: 26px; z-index: 4; display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; opacity: 0; transition: opacity 1.4s var(--ease) 1.4s; }
.hero__hud span:last-child { justify-self: end; }
.is-ready .hero__hud { opacity: 1; }

/* =========================================================
   01 ABOUT
   ========================================================= */
.about { padding: clamp(110px, 12vw, 190px) 0 clamp(90px, 10vw, 160px); }
.col-wide { grid-column: 3 / 13; }
.manifesto { font-size: clamp(32px, 4.1vw, 72px); font-weight: 500; line-height: 1.04; letter-spacing: -.042em; margin-bottom: clamp(80px, 9vw, 150px); }
.manifesto .w { color: #C2C8D2; transition: color .5s var(--ease); }
.manifesto .w.on { color: var(--ink); }
.manifesto em { font-style: normal; }
.manifesto em .w.on { color: var(--blue); }
.about__low { align-items: start; row-gap: 30px; }
.about__low .k { grid-column: 1 / 3; color: var(--graphite); padding-top: 6px; }
.about__mission { grid-column: 3 / 7; font-size: clamp(19px, 1.45vw, 23px); line-height: 1.4; letter-spacing: -.012em; color: var(--ink); max-width: 30ch; }
.about__pillars { grid-column: 8 / 13; }

/* =========================================================
   02 PROBLEM + shared plan
   ========================================================= */
.problem { position: relative; background: var(--ink); }
.problem__pin { min-height: 100vh; display: flex; align-items: center; overflow: hidden; padding: 110px 0 40px; }
.problem__pin > .wrap { width: 100%; }
.problem .sec-head { margin-bottom: clamp(32px, 4vw, 56px); }
.problem__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: center; }
.problem__text { grid-column: 1 / 6; }
.problem__text .t-xl { font-size: clamp(40px, 4.8vw, 86px); margin-bottom: 52px; }
.plan-wrap { position: relative; }
.problem .plan-wrap { grid-column: 6 / 13; }
.pcaps { position: relative; min-height: 170px; }
.pcaps li { position: absolute; inset: 0 auto auto 0; opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform 1.1s var(--ease); pointer-events: none; padding-top: 18px; border-top: 1px solid var(--line-2); width: min(420px, 100%); }
.pcaps li.on { opacity: 1; transform: none; }
.pcaps .mono { color: var(--blue-soft); display: block; margin-bottom: 14px; }
.pcaps h3 { font-size: clamp(24px, 2vw, 32px); margin-bottom: 10px; }
.pcaps p { color: var(--silver); max-width: 34ch; }

.plan { width: 100%; height: auto; display: block; overflow: visible; }
.plan text { font: 400 9px var(--mono); letter-spacing: .1em; fill: rgba(174,182,196,.55); }
.plan .lbl-chip text { fill: #fff; font-size: 9.5px; letter-spacing: .06em; }
.plan__chip {
  position: absolute; top: 0; right: 0; display: inline-flex; align-items: center; padding: 9px 14px;
  border: 1px solid var(--line-2); border-radius: 2px; background: rgba(11,18,32,.7); backdrop-filter: blur(8px);
  font-variant-numeric: tabular-nums; opacity: 0; transition: opacity .8s var(--ease);
}
.plan__chip.on { opacity: 1; }
.plan__chip span { margin-left: 6px; color: #fff; }
.plan__chip--blue { opacity: 1; border-color: rgba(47,123,255,.4); }
.plan__chip--blue span { margin-left: 0; transition: opacity .4s var(--ease); }

/* =========================================================
   03 PRODUCT
   ========================================================= */
.product { background: linear-gradient(90deg, #92959F 0%, #A2A4AF 45%, #B6B7C1 100%); color: var(--ink); padding-top: clamp(110px, 11vw, 170px); overflow: hidden; }
.product__head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: end; position: relative; z-index: 2; }
.product__head .t-xl { grid-column: 1 / 9; }
.product__lead { grid-column: 9 / 13; color: rgba(11,18,32,.75); font-size: 17px; max-width: 40ch; padding-bottom: 8px; }
.product__stage { position: relative; aspect-ratio: 2 / 1; width: 100%; margin-top: -2vw;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 16%); mask-image: linear-gradient(180deg, transparent 0%, #000 16%); }
.product__visual { position: absolute; inset: 0; }
.product__stage img, .product__fx { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.arc { fill: none; stroke: var(--blue); stroke-width: 2.4; stroke-linecap: round; }
.arc--pan { stroke-dasharray: 4 10; stroke-width: 2.6; opacity: .9; }
.arc-head { fill: none; stroke: var(--blue); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.pan-dot { fill: #fff; filter: drop-shadow(0 0 8px #2F7BFF) drop-shadow(0 0 16px #2F7BFF); }
.arc-label text { font: 400 18px var(--mono); letter-spacing: .06em; fill: rgba(11,18,32,.7); }
.stats { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--gap); padding-top: 8px; padding-bottom: clamp(90px, 9vw, 150px); }
.stat { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: baseline; padding: 18px 0 0; border-top: 1px solid rgba(11,18,32,.24); }
.stat__n { font-size: clamp(40px, 4.6vw, 80px); font-weight: 400; letter-spacing: -.055em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat__l { color: rgba(11,18,32,.62); text-align: right; }

/* =========================================================
   04 HOW IT WORKS
   ========================================================= */
.how { background: var(--ink); }
.how__pin { height: 100vh; min-height: 760px; display: flex; align-items: center; overflow: hidden; padding-top: 64px; }
.how__inner { width: 100%; display: flex; flex-direction: column; height: 100%; padding-top: clamp(24px, 3vw, 40px); padding-bottom: clamp(20px, 2.4vw, 36px); }
.how .sec-head { margin-bottom: clamp(18px, 2vw, 28px); }
.how__head { margin-bottom: clamp(18px, 2vw, 28px); }
.how__head .t-l { font-size: clamp(30px, 3.6vw, 60px); }
.monitor { position: relative; flex: 1; min-height: 0; border-radius: 4px; overflow: hidden; background: #000; }
.monitor__view { position: absolute; inset: 0; transform-origin: 36% 59%; }
.monitor__view img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.m-full { opacity: 0; }
.monitor__fx { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; transform-origin: 36% 59%; }
.det-txt { font: 500 21px var(--mono); letter-spacing: .04em; fill: #fff; }
.scanline { position: absolute; left: 0; right: 0; height: 26%; top: -26%; pointer-events: none;
  background: linear-gradient(180deg, rgba(47,123,255,0) 0%, rgba(47,123,255,.14) 85%, rgba(141,181,255,.6) 100%);
  animation: scan 4.6s var(--ease-io) infinite; }
@keyframes scan { 0% { top: -26%; } 100% { top: 100%; } }
.monitor__top { position: absolute; left: 36px; right: 36px; top: 24px; display: flex; justify-content: space-between; gap: 16px; z-index: 3; }
.status em { font-style: normal; display: inline-block; }
.status.is-alert .dot { background: var(--alert); }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: var(--gap); margin-top: clamp(16px, 1.8vw, 24px); }
.steps li { position: relative; padding-top: 16px; cursor: pointer; opacity: .38; transition: opacity .7s var(--ease); }
.steps li::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--line-2); }
.steps__bar { position: absolute; left: 0; top: 0; height: 2px; width: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); z-index: 1; }
.steps li.done .steps__bar, .steps li.on .steps__bar { transform: scaleX(1); }
.steps li:hover { opacity: .7; }
.steps li.on { opacity: 1; }
.steps .mono { color: var(--blue-soft); display: block; margin-bottom: 8px; }
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--silver); font-size: 14.5px; max-width: 30ch; }
.notif, .app__push {
  position: absolute; display: flex; gap: 14px; align-items: flex-start; padding: 14px 18px 14px 14px; width: min(340px, 70%);
  background: rgba(20, 30, 50, .8); backdrop-filter: blur(20px) saturate(1.4); border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px; box-shadow: 0 20px 60px -20px rgba(0,0,0,.8); color: #fff;
}
.notif { top: 64px; right: 32px; z-index: 4; opacity: 0; transform: translateY(-24px) scale(.96); }
.notif__icon { width: 38px; height: 38px; border-radius: 10px; background: var(--blue); display: grid; place-items: center; flex: none; }
.notif__icon svg { width: 20px; height: 20px; }
.notif__app { color: rgba(255,255,255,.55); margin-bottom: 3px; font-size: 10.5px; }
.notif__t { font-size: 15px; font-weight: 500; }
.notif__s { font-size: 13px; color: rgba(255,255,255,.65); }

/* =========================================================
   05 AI DETECTION
   ========================================================= */
.ai { padding: clamp(110px, 12vw, 180px) 0 0; background: var(--ink); }
.ai__head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: end; margin-bottom: clamp(48px, 5vw, 80px); }
.ai__head .t-xl { grid-column: 1 / 9; }
.ai__side { grid-column: 9 / 13; }
.ai__side p { color: var(--silver); margin-bottom: 26px; max-width: 40ch; }
.seg { position: relative; display: inline-flex; padding: 3px; border-radius: 3px; border: 1px solid var(--line-2); }
.seg__b { position: relative; z-index: 1; height: 38px; padding: 0 16px; border: 0; background: none; cursor: pointer; font: inherit; color: rgba(255,255,255,.5); transition: color .5s var(--ease); }
.seg__b.is-on { color: var(--ink); }
.seg__k { position: absolute; z-index: 0; top: 3px; bottom: 3px; left: 3px; border-radius: 2px; background: #fff; transition: transform .7s var(--ease), width .7s var(--ease); }
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px; }
.tile { position: relative; margin: 0; aspect-ratio: 3 / 4.3; overflow: hidden; background: #000; }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tile img.th { filter: url(#thermal); opacity: 0; }
.ai.is-thermal .tile img.th { opacity: 1; }
.tile__fx { position: absolute; inset: 0; width: 100%; height: 100%; }
.tbox { fill: rgba(174,182,196,.04); stroke: rgba(255,255,255,.8); stroke-width: 1.5; stroke-dasharray: 4000; stroke-dashoffset: 4000; transition: stroke-dashoffset 2.2s var(--ease-io) .9s; vector-effect: non-scaling-stroke; }
.tile.in .tbox { stroke-dashoffset: 0; }
.tile--alert .tbox { stroke: var(--alert); fill: rgba(255,59,59,.06); stroke-width: 2; }
.tile--alert::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 2px rgba(255,59,59,.6); animation: alertGlow 2.4s var(--ease-io) infinite; pointer-events: none; }
@keyframes alertGlow { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }
.tile figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; background: linear-gradient(0deg, rgba(5,8,15,.85), rgba(5,8,15,0));
}
.tile figcaption b { color: rgba(255,255,255,.5); font-weight: 400; }
.tile figcaption em { margin-left: auto; font-style: normal; padding: 4px 8px; border-radius: 2px; }
.tile figcaption em.ok { background: rgba(174,182,196,.18); color: var(--silver); }
.tile figcaption em.bad { background: var(--alert); color: #fff; }

/* =========================================================
   06 COVERAGE
   ========================================================= */
.cover { padding: clamp(110px, 12vw, 180px) 0 0; background: var(--ink); }
.cover__title { margin-bottom: clamp(40px, 5vw, 80px); }
.split { display: flex; gap: 2px; height: 100vh; min-height: 640px; will-change: clip-path; }
.split__p { position: relative; flex: 1; overflow: hidden; transition: flex-grow 1.1s var(--ease); }
.split:hover .split__p { flex-grow: .7; }
.split .split__p:hover { flex-grow: 1.4; }
.split__p img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: drift 22s ease-in-out infinite alternate; }
@keyframes drift { from { transform: scale(1.04) translateX(-1%); } to { transform: scale(1.1) translateX(1%); } }
.split__p::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,8,15,.86) 0%, rgba(5,8,15,0) 48%); }
.split__tag { position: absolute; top: 96px; left: var(--pad); z-index: 2; display: flex; align-items: center; padding: 9px 13px; border-radius: 2px; background: rgba(11,18,32,.55); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.12); }
.split__txt { position: absolute; left: var(--pad); right: var(--pad); bottom: clamp(36px, 4vw, 64px); z-index: 2; }
.split__txt .mono { color: var(--blue-soft); margin-bottom: 14px; }
.split__txt h3 { font-size: clamp(30px, 3.2vw, 54px); letter-spacing: -.045em; line-height: 1; margin-bottom: 12px; }
.split__txt p { color: var(--silver); max-width: 34ch; }

/* =========================================================
   07 APP (full-bleed)
   ========================================================= */
.app { position: relative; min-height: 100vh; overflow: hidden; background: var(--ink); display: flex; align-items: center; }
.app__media { position: absolute; top: 0; bottom: 0; right: 0; left: 40%; -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 24%); mask-image: linear-gradient(90deg, transparent 0%, #000 24%); }
.app__media img { width: 100%; height: 100%; object-fit: cover; object-position: 60% center; }
.app__shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(0deg, rgba(11,18,32,.7), rgba(11,18,32,0) 26%), linear-gradient(180deg, rgba(11,18,32,.6), rgba(11,18,32,0) 20%); }
.app__inner { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 90px; }
.app__inner .t-xl { margin-bottom: 48px; }
.app__feats { max-width: 620px; }
.app__push { left: 47%; bottom: 9vh; z-index: 3; opacity: 0; transform: translateY(30px); transition: opacity 1s var(--ease) .9s, transform 1.3s var(--ease) .9s; }
.app.in .app__push { opacity: 1; transform: none; animation: float 6s ease-in-out 3s infinite; }
@keyframes float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }

/* =========================================================
   08 SYSTEM
   ========================================================= */
.system { padding: clamp(110px, 12vw, 180px) 0; background: var(--ink); }
.system__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: center; }
.system__text { grid-column: 1 / 6; }
.system__text .t-xl { font-size: clamp(40px, 4.8vw, 86px); margin-bottom: 48px; }
.system .plan-wrap { grid-column: 6 / 13; }
.system .plan__chip { top: auto; bottom: -10px; right: auto; left: 0; }
.system .rows li { grid-template-columns: 56px 1fr; row-gap: 6px; }
.system .rows li p { grid-column: 2; }

/* =========================================================
   09 PRIVACY
   ========================================================= */
.privacy { padding: clamp(110px, 12vw, 180px) 0 clamp(80px, 8vw, 130px); }
.privacy .t-xl { margin-bottom: clamp(56px, 6vw, 96px); }
.ptable li { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: baseline; padding: 26px 0 28px; border-top: 1px solid var(--line-ink); transition: background .6s var(--ease); }
.ptable li:last-child { border-bottom: 1px solid var(--line-ink); }
.ptable .mono { grid-column: 1 / 2; color: var(--blue); }
.ptable h3 { grid-column: 2 / 7; font-size: clamp(24px, 2.4vw, 40px); letter-spacing: -.04em; }
.ptable p { grid-column: 8 / 13; color: var(--graphite); font-size: 16px; }

/* =========================================================
   10 WHO IT'S FOR (horizontal)
   ========================================================= */
.for { overflow: hidden; }
.for__pin { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 110px 0 60px; }
.for__top { margin-bottom: clamp(36px, 4vw, 60px); }
.for .sec-head { margin-bottom: clamp(28px, 3vw, 48px); }
.for__track { display: flex; gap: var(--gap); padding: 0 var(--pad); width: max-content; will-change: transform; }
.person { width: clamp(300px, 30vw, 520px); flex: none; }
.person__img { position: relative; height: min(52vh, 560px); overflow: hidden; margin-bottom: 18px; background: #ccd; }
.person__img img { width: 100%; height: 100%; object-fit: cover; }
.ok-chip { position: absolute; left: 14px; top: 14px; display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 2px; background: rgba(11,18,32,.72); backdrop-filter: blur(10px); color: #fff; font-size: 10.5px; opacity: 0; transform: translateY(-8px); transition: opacity .7s var(--ease), transform .9s var(--ease); }
.person:hover .ok-chip { opacity: 1; transform: none; }
.person__txt { display: grid; grid-template-columns: 36px 1fr; column-gap: 12px; }
.person__txt .mono { color: var(--blue); padding-top: 4px; grid-row: span 2; }
.person__txt h3 { margin-bottom: 6px; }
.person__txt p { color: var(--graphite); font-size: 15px; }
.for__quote { width: clamp(320px, 34vw, 600px); flex: none; display: flex; align-items: center; padding-left: clamp(20px, 3vw, 60px); }
.for__quote p { font-size: clamp(30px, 3.2vw, 56px); font-weight: 500; letter-spacing: -.045em; line-height: 1.02; }

/* =========================================================
   11 CONTACT
   ========================================================= */
.final { position: relative; overflow: hidden; background: var(--ink); }
.final__media { position: relative; height: 82vh; min-height: 540px; }
.final__media img, .final__fx { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.final__shade { position: absolute; inset: 0; background: linear-gradient(0deg, var(--ink) 0%, rgba(11,18,32,.6) 22%, rgba(11,18,32,0) 46%), linear-gradient(180deg, rgba(5,8,15,.55) 0%, rgba(5,8,15,0) 18%); }
.laser { stroke: #BFD6FF; stroke-width: 2; stroke-dasharray: 18 26; animation: laser 1.6s linear infinite; filter: drop-shadow(0 0 6px #2F7BFF); }
@keyframes laser { to { stroke-dashoffset: -44; } }
.lock path { animation: lockPulse 2.4s var(--ease-io) infinite; transform-box: fill-box; transform-origin: center; }
@keyframes lockPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.06); opacity: .7; } }
.lock-t { font: 500 18px var(--mono); letter-spacing: .06em; fill: #fff; }
.final__content { position: relative; z-index: 2; margin-top: -16vh; padding-bottom: clamp(90px, 10vw, 150px); }
.final__content .sec-head { margin-bottom: clamp(32px, 4vw, 56px); }
.final__content .t-hero { margin-bottom: clamp(40px, 5vw, 72px); }
.final__row { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); align-items: start; }
.final__row .lead { grid-column: 1 / 5; }
.contact { grid-column: 6 / 13; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.contact__item { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.contact .btn { width: 100%; height: 54px; }
.contact .btn--line:hover svg { transform: translate(2px, -2px); }
.contact__cap { color: var(--silver); padding-left: 2px; }
.contact__cap--mail { text-transform: none; letter-spacing: .02em; user-select: all; }

/* =========================================================
   FOOTER
   ========================================================= */
.ftr { background: var(--ink); padding: clamp(40px, 4vw, 64px) 0 32px; }
.ftr__row { display: flex; justify-content: space-between; gap: 20px 24px; flex-wrap: wrap; color: var(--silver); padding-top: 16px; border-top: 1px solid var(--line-2); }
.ftr__row nav { display: flex; gap: 12px 26px; flex-wrap: wrap; }
.ftr__row a { transition: color .4s var(--ease); }
.ftr__row a:hover { color: #fff; }
.ftr__contacts { display: flex; gap: 12px 26px; flex-wrap: wrap; }
.ftr__mail { text-transform: none; letter-spacing: .02em; }
.ftr__logo { color: #fff; margin: clamp(60px, 8vw, 130px) 0 clamp(30px, 3vw, 48px); }
.ftr__logo .logo-svg { width: 100%; height: auto; }
.ftr__base { display: flex; justify-content: space-between; color: var(--graphite); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1080px) {
  .hdr__nav { display: none; }
  .col-wide, .about__low .k, .about__mission, .about__pillars, .problem__text, .problem .plan-wrap, .product__head .t-xl, .product__lead,
  .ai__head .t-xl, .ai__side, .system__text, .system .plan-wrap, .final__row .lead, .contact { grid-column: 1 / -1; }
  .product__lead, .ai__side { margin-top: 24px; }
  .problem .plan-wrap, .system .plan-wrap { margin-top: 40px; }
  .problem__pin, .how__pin { height: auto; min-height: 0; padding: 120px 0 80px; }
  .how__pin .monitor { flex: none; aspect-ratio: 16 / 10; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 20px; }
  .product__stage { aspect-ratio: auto; margin-top: 20px; }
  .product__visual { position: relative; aspect-ratio: 1.3; }
  .stats { grid-template-columns: 1fr; row-gap: 14px; padding-bottom: 70px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { flex-direction: column; height: auto; }
  .split__p { height: 70vh; flex: none; }
  .split:hover .split__p, .split .split__p:hover { flex-grow: 0; }
  .ptable h3, .ptable p { grid-column: 2 / -1; }
  .ptable p { margin-top: 8px; }
  .for__pin { padding: 110px 0 80px; }
  .for__track { width: auto; flex-direction: column; gap: 40px; }
  .person, .for__quote { width: 100%; }
  .for__quote { padding: 20px 0 0; }
  .contact { margin-top: 30px; }
  .sec-head .t { grid-column: 2 / 9; }
  .sec-head .r { display: none; }
}
/* portrait tablets: the camera fills the middle of the frame, so the text stays low on the darker part */
@media (max-width: 1080px) and (orientation: portrait) {
  .hero__content { justify-content: flex-end; padding-top: 0; padding-bottom: 150px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero__shade { background: linear-gradient(0deg, rgba(5,8,15,.96) 0%, rgba(5,8,15,.55) 55%, rgba(5,8,15,.25) 100%); }
  .hero__content { justify-content: flex-end; padding-top: 0; padding-bottom: 128px; }
  .hero__next { bottom: 60px; width: 44px; height: 44px; }
  .hero__hud { display: flex; justify-content: space-between; }
  .hero__hud span:nth-child(2) { display: none; }
  .vf { inset: 80px 16px 60px; }
  .rows li { grid-template-columns: 36px 1fr; }
  .rows li p { grid-column: 2; }
  .monitor__top { left: 14px; right: 14px; top: 12px; font-size: 9px; }
  .monitor__top span:nth-child(2) { display: none; }
  .notif { top: 40px; right: 12px; padding: 10px; }
  .notif__s { display: none; }
  .steps p { display: none; }
  .tile figcaption { padding: 10px; font-size: 9.5px; }
  .tile figcaption b { display: none; }
  .app__media { left: 0; -webkit-mask-image: none; mask-image: none; }
  .app__shade { background: linear-gradient(0deg, rgba(5,8,15,.96) 0%, rgba(5,8,15,.86) 70%, rgba(5,8,15,.6) 100%); }
  .app__push { display: none; }
  .contact { grid-template-columns: 1fr; gap: 20px; }
  .ftr__base { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .rv, .shot { opacity: 1; transform: none; filter: none; clip-path: none; }
}