/* =========================================================
   Robixmak — Machine Vision · Robotics · Industrial Backlight
   ========================================================= */

:root {
  --bg: #05080d;
  --bg-2: #070c13;
  --surface: #0b121b;
  --surface-2: #0f1823;
  --line: rgba(148, 190, 230, 0.11);
  --line-2: rgba(148, 190, 230, 0.2);
  --text: #e8f1f8;
  --muted: #8b9cb0;
  --dim: #5b6b7e;
  --cyan: #22d3ee;
  --cyan-2: #06b6d4;
  --blue: #3b82f6;
  --ok: #4ade80;
  --ng: #fb5a6f;
  --warn: #fbbf24;

  --f-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --radius: 14px;
  --container: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); margin: 0; line-height: 1.1; letter-spacing: -0.02em; }
p { margin: 0; }
::selection { background: rgba(34, 211, 238, .35); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--cyan); color: #000; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn {
  --h: 50px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 22px;
  border-radius: 10px; border: 1px solid transparent;
  font: 600 15px/1 var(--f-body); letter-spacing: .01em;
  cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), background .2s, border-color .2s, box-shadow .25s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary {
  background: linear-gradient(180deg, #3fe0f6, var(--cyan-2));
  color: #021016;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, .4), 0 10px 30px -8px rgba(34, 211, 238, .55);
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(34, 211, 238, .6), 0 14px 40px -8px rgba(34, 211, 238, .75); }
.btn--ghost { border-color: var(--line-2); background: rgba(255, 255, 255, .02); }
.btn--ghost:hover { border-color: rgba(34, 211, 238, .55); background: rgba(34, 211, 238, .06); }
.btn--sm { --h: 40px; padding: 0 16px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h);
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(5, 8, 13, .78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.header__inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand img { height: 28px; width: auto; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { padding: 8px 12px; border-radius: 8px; font-size: 14.5px; font-weight: 500; color: var(--muted); transition: color .2s, background .2s; }
.nav a:hover, .nav a.active { color: var(--text); background: rgba(255, 255, 255, .04); }
.nav a.active { color: var(--cyan); }
.nav__mobile-cta { display: none; }
.header__actions { display: flex; align-items: center; gap: 12px; }

.lang { display: flex; padding: 3px; border: 1px solid var(--line-2); border-radius: 9px; }
.lang button {
  border: 0; background: none; cursor: pointer;
  padding: 5px 9px; border-radius: 6px;
  font: 600 12px/1 var(--f-mono); color: var(--dim); letter-spacing: .05em;
}
.lang button[aria-pressed="true"] { background: rgba(34, 211, 238, .14); color: var(--cyan); }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); border-radius: 10px; background: none; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s var(--ease), top .25s; }
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 24px; }
.burger[aria-expanded="true"] span:first-child { top: 19.5px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 19.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + 64px) 0 72px; overflow: hidden; }
.hero__bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 78% 38%, rgba(34, 211, 238, .14), transparent 70%),
    radial-gradient(45% 40% at 10% 10%, rgba(59, 130, 246, .12), transparent 70%),
    linear-gradient(180deg, transparent 70%, var(--bg));
}
.hero__bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 60% 35%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 60% 35%, #000 20%, transparent 75%);
  opacity: .6;
}
.hero__inner { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px 6px 10px; border: 1px solid var(--line-2); border-radius: 999px;
  font: 500 12px/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--muted);
  background: rgba(255, 255, 255, .02);
}
.eyebrow__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, .18); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(34, 211, 238, 0); } }

.hero__title { margin-top: 22px; font-size: clamp(40px, 5.6vw, 72px); font-weight: 700; letter-spacing: -0.035em; line-height: 1.02; }
.hl {
  background: linear-gradient(100deg, #7df0ff 0%, var(--cyan) 40%, #5b9cff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative; white-space: nowrap;
}
.hero__lead { margin-top: 22px; max-width: 560px; font-size: 17.5px; color: var(--muted); }
.hero__ctas { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero__chips { list-style: none; margin: 34px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero__chips li { font: 500 12.5px/1 var(--f-mono); color: var(--muted); padding: 8px 11px; border-radius: 7px; border: 1px solid var(--line); background: var(--surface); }

/* ---------- Vision demo ---------- */
.vision {
  position: relative;
  background: linear-gradient(180deg, #0c141e, #070b11);
  border: 1px solid var(--line-2);
  border-radius: 18px;
  padding: 12px;
  box-shadow: 0 40px 100px -30px rgba(34, 211, 238, .35), 0 0 0 1px rgba(0, 0, 0, .4) inset;
}
.vision::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: linear-gradient(140deg, rgba(34, 211, 238, .55), transparent 30%, transparent 70%, rgba(59, 130, 246, .4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; padding: 1px;
}
.vision__bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; padding: 2px 4px 10px; font: 500 11px/1 var(--f-mono); color: var(--dim); letter-spacing: .06em; }
.vision__bar b { font-weight: 500; color: var(--muted); }
.vision__bar .ok { color: var(--ok); }
.vision__live { display: inline-flex; align-items: center; gap: 7px; color: var(--text); }
.vision__live i { width: 7px; height: 7px; border-radius: 50%; background: var(--ng); animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25; } }
.vision__fps { margin-left: auto; }

.vision__view {
  position: relative; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden;
  background: #b7cad5;
  isolation: isolate;
}
.plate {
  position: absolute; inset: 0;
  background:
    radial-gradient(75% 70% at 50% 48%, #f4fcff 0%, #e2f1f7 45%, #a9bfcc 100%);
}
.plate.shake { animation: shake .55s linear; }
@keyframes shake {
  10%, 50%, 90% { transform: translate(-1.5px, 1px); }
  30%, 70% { transform: translate(1.5px, -1px); }
}
.part {
  position: absolute; width: 13%; aspect-ratio: 1;
  left: calc(var(--x) * 1%); top: calc(var(--y) * 1%);
  transform: rotate(calc(var(--r) * 1deg)) scaleX(var(--sx, 1));
  transition: left .55s var(--ease), top .55s var(--ease), transform .55s var(--ease), opacity .35s, scale .35s;
}
.part svg { width: 100%; height: 100%; fill: #070a0e; filter: blur(.3px); }
.part.picked { opacity: 0; scale: .6; }

.vision__grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(6, 30, 45, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 30, 45, .08) 1px, transparent 1px);
  background-size: 10% 13.333%;
}
.vision__scan {
  position: absolute; top: 0; bottom: 0; left: -20%; width: 20%; pointer-events: none; opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, .28) 70%, rgba(34, 211, 238, .9) 98%, transparent);
  mix-blend-mode: multiply;
}
.vision__scan.run { animation: scan 1s var(--ease) forwards; }
@keyframes scan { 0% { left: -20%; opacity: 1; } 100% { left: 100%; opacity: 1; } }

.vision__overlay { position: absolute; inset: 0; pointer-events: none; }
.det {
  position: absolute; width: 13%; aspect-ratio: 1;
  left: calc(var(--x) * 1%); top: calc(var(--y) * 1%);
  opacity: 0; transition: opacity .25s;
  --c: #0891b2;
}
.det.show { opacity: 1; }
.det.ok { --c: #0d9f4f; }
.det.ng { --c: #e11d48; }
.det.flip { --c: #d97706; }
.det__frame {
  position: absolute; inset: -9%;
  transform: rotate(calc(var(--r) * 1deg));
  border: 1.5px solid var(--c);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .5), 0 0 14px -2px var(--c);
  border-radius: 3px;
}
.det__frame::after { /* yön oku */
  content: ""; position: absolute; left: 50%; top: -9px; width: 1.5px; height: 9px; background: var(--c);
}
.det__tag {
  position: absolute; left: -9%; bottom: calc(100% + 12%);
  font: 600 9.5px/1 var(--f-mono); letter-spacing: .03em; white-space: nowrap;
  padding: 4px 6px; border-radius: 4px;
  background: rgba(5, 9, 14, .88); color: #fff; border-left: 2px solid var(--c);
}
.det__tag b { color: var(--c); filter: brightness(1.6); font-weight: 700; }

.reticle {
  position: absolute; width: 13%; aspect-ratio: 1; left: 50%; top: 50%;
  left: calc(var(--x, 43) * 1%); top: calc(var(--y, 40) * 1%);
  opacity: 0; transition: left .45s var(--ease), top .45s var(--ease), opacity .25s;
  pointer-events: none;
}
.reticle.show { opacity: 1; }
.reticle::before, .reticle::after { content: ""; position: absolute; background: #0891b2; }
.reticle::before { left: 50%; top: -30%; bottom: -30%; width: 1.5px; transform: translateX(-50%); }
.reticle::after { top: 50%; left: -30%; right: -30%; height: 1.5px; transform: translateY(-50%); }
.reticle i { position: absolute; inset: 18%; border: 2px solid #0891b2; border-radius: 50%; animation: lock .6s var(--ease); }
@keyframes lock { from { transform: scale(2.4); opacity: 0; } }

.corner { position: absolute; width: 18px; height: 18px; border: 2px solid rgba(8, 145, 178, .85); pointer-events: none; }
.corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.vision__res { position: absolute; right: 34px; bottom: 12px; font: 500 9.5px/1 var(--f-mono); color: rgba(6, 40, 55, .6); letter-spacing: .08em; }

.vision__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.vision__stats div { padding: 9px 10px; border-radius: 9px; background: rgba(255, 255, 255, .025); border: 1px solid var(--line); }
.vision__stats span { display: block; font: 500 10px/1 var(--f-mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; }
.vision__stats b { display: block; margin-top: 6px; font: 600 17px/1 var(--f-display); font-variant-numeric: tabular-nums; }
.vision__stats .ok { color: var(--ok); }
.vision__stats .ng { color: var(--ng); }

.vision__log {
  margin: 10px 0 0; height: 84px; overflow: hidden; padding: 10px 12px;
  border-radius: 9px; background: #04070b; border: 1px solid var(--line);
  font: 400 11px/1.55 var(--f-mono); color: #7f93a8; white-space: pre;
  mask-image: linear-gradient(180deg, transparent, #000 35%);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 35%);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.vision__log .c { color: var(--cyan); }
.vision__log .o { color: var(--ok); }
.vision__log .n { color: var(--ng); }
.vision__log .w { color: var(--warn); }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); background: var(--bg-2); overflow: hidden; padding: 18px 0; }
.marquee__track { display: flex; align-items: center; gap: 28px; width: max-content; animation: marquee 40s linear infinite; }
.marquee span { font: 600 15px/1 var(--f-display); letter-spacing: .14em; color: var(--muted); }
.marquee i { font-style: normal; color: var(--cyan); font-size: 10px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; position: relative; }
.section--alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section__head { max-width: 760px; margin-bottom: 56px; }
.section h2 { font-size: clamp(32px, 4vw, 52px); font-weight: 700; letter-spacing: -0.03em; }
.section__lead { margin-top: 18px; color: var(--muted); font-size: 17px; max-width: 640px; }
.kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; font: 500 12.5px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.kicker span:first-child { color: var(--cyan); padding: 5px 8px; border: 1px solid rgba(34, 211, 238, .35); border-radius: 6px; background: rgba(34, 211, 238, .06); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; display: flex; flex-direction: column;
  padding: 28px; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--line);
  overflow: hidden; isolation: isolate;
  transition: border-color .25s, transform .25s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgba(34, 211, 238, .12), transparent 60%);
}
.card:hover { border-color: rgba(34, 211, 238, .35); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }
.card__top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; }
.card__no { font: 500 12px/1 var(--f-mono); color: var(--dim); }
.card__icon { width: 44px; height: 44px; padding: 10px; border-radius: 11px; background: rgba(34, 211, 238, .08); border: 1px solid rgba(34, 211, 238, .22); fill: none; stroke: var(--cyan); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 21px; font-weight: 600; letter-spacing: -0.015em; }
.card p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.tags { list-style: none; margin: auto 0 0; padding: 22px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font: 500 11.5px/1 var(--f-mono); color: var(--muted); padding: 6px 8px; border-radius: 6px; background: rgba(255, 255, 255, .03); border: 1px solid var(--line); }
.card--feature { background: linear-gradient(160deg, rgba(34, 211, 238, .13), var(--surface) 55%); border-color: rgba(34, 211, 238, .3); }
.card__link { margin-top: auto; padding-top: 22px; display: inline-flex; align-items: center; gap: 8px; color: var(--cyan); font-weight: 600; font-size: 14.5px; }
.card__link svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--ease); }
.card__link:hover svg { transform: translateX(4px); }

/* ---------- Backlight ---------- */
.backlight { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.wl { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.wl button {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  padding: 9px 12px; border-radius: 9px; border: 1px solid var(--line-2); background: var(--surface);
  font-size: 14px; font-weight: 500; color: var(--muted);
  transition: border-color .2s, color .2s, background .2s;
}
.wl button small { font: 500 11px/1 var(--f-mono); color: var(--dim); }
.wl button i { width: 10px; height: 10px; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px var(--c); }
.wl button:hover { color: var(--text); }
.wl button[aria-checked="true"] { color: var(--text); border-color: rgba(34, 211, 238, .6); background: rgba(34, 211, 238, .08); }
.wl__note { margin-top: 14px; font-size: 14px; color: var(--dim); min-height: 1.6em; }

.compare {
  --bl-hi: #f6fcff; --bl-lo: #c4d6e0;
  position: relative; aspect-ratio: 800 / 520; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--line-2);
  box-shadow: 0 40px 90px -40px var(--bl-glow, rgba(200, 235, 255, .5));
  user-select: none; touch-action: pan-y;
}
.compare[data-wl="red"]  { --bl-hi: #ff6a5c; --bl-lo: #a3141a; --bl-glow: rgba(255, 60, 60, .45); }
.compare[data-wl="blue"] { --bl-hi: #79a8ff; --bl-lo: #1b3fa8; --bl-glow: rgba(60, 120, 255, .45); }
.compare[data-wl="ir"]   { --bl-hi: #e9e6f2; --bl-lo: #8d879e; --bl-glow: rgba(185, 178, 207, .35); }
.compare__defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.compare__layer { position: absolute; inset: 0; }
.compare__layer > svg { width: 100%; height: 100%; }
.compare__lit { clip-path: inset(0 0 0 var(--pos)); }
.compare__lit stop { transition: stop-color .4s; }
.measure { stroke: #00a6cf; stroke-width: 2.5; stroke-dasharray: 8 6; }
.compare[data-wl="blue"] .measure, .compare[data-wl="red"] .measure { stroke: #ffffff; }
.measure-tags rect { fill: rgba(5, 9, 14, .9); }
.measure-tags text { fill: #7defff; font: 600 13px var(--f-mono); }
.compare__tag {
  position: absolute; bottom: 14px; padding: 7px 10px; border-radius: 7px;
  font: 600 11.5px/1 var(--f-mono); letter-spacing: .05em; text-transform: uppercase;
  background: rgba(5, 9, 14, .82); color: #fff; backdrop-filter: blur(6px);
}
.compare__tag--l { left: 14px; }
.compare__tag--r { right: 14px; color: var(--cyan); }
.compare__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 12px rgba(0, 0, 0, .5); pointer-events: none; }
.compare__handle span {
  position: absolute; top: 50%; left: 50%; width: 44px; height: 44px; transform: translate(-50%, -50%);
  display: grid; place-items: center; border-radius: 50%;
  background: #05080d; border: 2px solid #fff; box-shadow: 0 6px 20px rgba(0, 0, 0, .5);
}
.compare__handle svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.compare__range { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.compare:has(.compare__range:focus-visible) .compare__handle span { outline: 3px solid var(--cyan); outline-offset: 3px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 72px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature { display: flex; gap: 16px; padding: 26px; background: var(--bg-2); }
.feature > svg { flex: none; width: 22px; height: 22px; margin-top: 2px; fill: none; stroke: var(--cyan); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.feature h4 { font-size: 16.5px; font-weight: 600; letter-spacing: -0.01em; }
.feature p { margin-top: 6px; font-size: 14.5px; color: var(--muted); }

/* ---------- Applications ---------- */
.apps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.apps li {
  position: relative; display: flex; flex-direction: column; gap: 26px;
  padding: 22px; min-height: 150px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line);
  font: 600 17px/1.3 var(--f-display); letter-spacing: -0.01em;
  transition: border-color .25s, background .25s;
}
.apps li::after { /* köşe braketi — vision teması */
  content: ""; position: absolute; right: 14px; top: 14px; width: 14px; height: 14px;
  border-top: 1.5px solid var(--dim); border-right: 1.5px solid var(--dim); transition: border-color .25s;
}
.apps li:hover { border-color: rgba(34, 211, 238, .35); background: var(--surface-2); }
.apps li:hover::after { border-color: var(--cyan); }
.apps__no { font: 500 11.5px/1 var(--f-mono); color: var(--cyan); }

/* ---------- Process ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 22px; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(34, 211, 238, .1));
}
.step { position: relative; padding-top: 0; }
.step__no {
  position: relative; display: inline-grid; place-items: center; width: 44px; height: 44px;
  border-radius: 12px; background: var(--bg-2); border: 1px solid rgba(34, 211, 238, .45);
  font: 600 13px/1 var(--f-mono); color: var(--cyan);
  box-shadow: 0 0 0 6px var(--bg-2);
}
.step h3 { margin-top: 26px; font-size: 20px; font-weight: 600; }
.step p { margin-top: 10px; color: var(--muted); font-size: 15px; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about__copy > p { color: var(--muted); font-size: 16.5px; margin-top: 18px; }
.about__copy h2 + p { margin-top: 24px; }
.values { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 10px; }
.values li { display: grid; grid-template-columns: 200px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.values b { font-family: var(--f-display); font-weight: 600; }
.values span { color: var(--muted); font-size: 15px; }

.pipeline {
  position: relative; display: grid; gap: 10px; padding: 28px;
  border-radius: 18px; border: 1px solid var(--line-2);
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(34, 211, 238, .12), transparent 70%),
    var(--surface);
  overflow: hidden;
}
.pipeline__node {
  position: relative; z-index: 1; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 14px;
  padding: 14px 16px; border-radius: 11px; background: rgba(5, 8, 13, .7); border: 1px solid var(--line);
  backdrop-filter: blur(4px);
}
.pipeline__node + .pipeline__node::before {
  content: ""; position: absolute; left: 37px; top: -11px; width: 1px; height: 10px; background: rgba(34, 211, 238, .5);
}
.pipeline__node span { font: 500 12px/1 var(--f-mono); color: var(--cyan); }
.pipeline__node b { font-family: var(--f-display); font-size: 18px; font-weight: 600; }
.pipeline__node small { font: 500 11.5px/1 var(--f-mono); color: var(--dim); }
.pipeline__icon { position: absolute; right: -40px; bottom: -40px; width: 260px; opacity: .07; pointer-events: none; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact__cards { display: grid; gap: 10px; margin-top: 36px; }
.ccard {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px;
  border-radius: 12px; border: 1px solid var(--line); background: var(--surface);
  transition: border-color .2s, transform .2s var(--ease);
}
.ccard:hover { border-color: rgba(34, 211, 238, .4); transform: translateX(3px); }
.ccard[hidden] { display: none; }
.ccard svg { flex: none; width: 42px; height: 42px; padding: 10px; border-radius: 10px; background: rgba(34, 211, 238, .08); fill: none; stroke: var(--cyan); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.ccard small { display: block; font: 500 11px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--dim); }
.ccard b { display: block; margin-top: 6px; font: 600 17px/1.2 var(--f-display); }

.form {
  display: grid; gap: 14px; padding: 28px; border-radius: 18px;
  background: var(--surface); border: 1px solid var(--line-2);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 7px; }
.form label > span { font-size: 13.5px; font-weight: 500; color: var(--muted); }
.form input:not([type="checkbox"]), .form select, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line-2); background: #070b11; color: var(--text);
  font: 400 15px/1.4 var(--f-body);
  transition: border-color .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 120px; }
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 211, 238, .15); }
.form .invalid { border-color: var(--ng) !important; }
.form ::placeholder { color: var(--dim); }
.check { grid-template-columns: auto 1fr !important; align-items: start; gap: 10px !important; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--cyan); }
.check span { font-size: 13.5px !important; font-weight: 400 !important; }
.check.invalid span { color: var(--ng) !important; }
.hp { position: absolute; left: -9999px; }
.form__status { min-height: 1.4em; font-size: 14px; color: var(--muted); }
.form__status.ok { color: var(--ok); }
.form__status.err { color: var(--ng); }
.form button[disabled] { opacity: .6; cursor: progress; }

/* ---------- Footer ---------- */
.footer { padding: 48px 0; border-top: 1px solid var(--line); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer__brand img { height: 24px; width: auto; opacity: .9; }
.footer__brand p { margin-top: 10px; font: 500 11.5px/1 var(--f-mono); color: var(--dim); letter-spacing: .08em; }
.footer__links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer__links a { color: var(--muted); font-size: 14px; }
.footer__links a:hover { color: var(--cyan); }
.footer__copy { color: var(--dim); font-size: 13.5px; }

.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 40;
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: #25d366; box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .6);
  transition: transform .2s var(--ease);
}
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 28px; height: 28px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__copy { max-width: 720px; }
  .vision { max-width: 680px; }
  .backlight, .about, .contact { grid-template-columns: 1fr; gap: 48px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .apps { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
}

@media (max-width: 1000px) {
  .burger { display: block; }
  .header__cta { display: none; }
  .header__actions { margin-left: auto; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 2px; padding: 12px 16px 20px;
    background: rgba(5, 8, 13, .97); border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .25s, transform .25s var(--ease), visibility .25s;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav a { padding: 14px 12px; font-size: 16px; }
  .nav__mobile-cta { display: block; margin-top: 8px; text-align: center; background: var(--cyan); color: #021016 !important; font-weight: 600 !important; }
  .header:has(.nav.open) { background: rgba(5, 8, 13, .97); }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .container { padding: 0 16px; }
  .brand img { height: 22px; }
  .hero { padding-top: calc(var(--header-h) + 40px); padding-bottom: 56px; }
  .hero__lead { font-size: 16px; }
  .hero__ctas .btn { flex: 1 1 100%; }
  .section { padding: 84px 0; }
  .section__head { margin-bottom: 40px; }
  .cards, .apps, .features, .steps { grid-template-columns: 1fr; }
  .apps li { min-height: 0; flex-direction: row; align-items: center; gap: 16px; }
  .features { margin-top: 48px; }
  .card { padding: 22px; }
  .card__top { margin-bottom: 28px; }
  .vision { padding: 8px; border-radius: 14px; }
  .vision__bar { font-size: 10px; gap: 6px 10px; }
  .vision__stats { grid-template-columns: repeat(2, 1fr); }
  .det__tag { font-size: 8px; padding: 3px 4px; }
  .vision__log { font-size: 10px; height: 74px; }
  .values li { grid-template-columns: 1fr; gap: 4px; }
  .form { padding: 20px; }
  .form__row { grid-template-columns: 1fr; }
  .compare__handle span { width: 38px; height: 38px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}

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