/* ============================================================================
   SP AUTOMATIZACIONES — Design System Core
   Dark technical aesthetic · 3D-first · multipágina
   ========================================================================== */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Base */
  --black:        #050507;
  --black-2:      #0a0a0f;
  --surface:      #0e0e14;
  --surface-2:    #13131b;
  --line:         rgba(255,255,255,.08);
  --line-strong:  rgba(255,255,255,.16);

  /* Accents */
  --acc:          #c4f82a;
  --acc-2:        #6e5bff;
  --acc-3:        #ff6b4a;
  --acc-soft:     rgba(196,248,42,.12);
  --acc-2-soft:   rgba(110,91,255,.14);
  --duo:          linear-gradient(120deg, var(--acc) 0%, #e9ff9c 40%, var(--acc-2) 100%);

  /* Text */
  --tx:           #f4f6fb;
  --tx-2:         #a0a6b8;
  --tx-3:         #61667a;

  /* Type */
  --f-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --f-body:    'Inter', ui-sans-serif, system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Space */
  --gutter: clamp(20px, 4vw, 48px);
  --max:    1280px;
  --max-tx: 68ch;

  /* Radius */
  --r-s: 8px; --r-m: 14px; --r-l: 22px; --r-xl: 32px;

  /* Motion */
  --e-out:  cubic-bezier(.16,1,.3,1);
  --e-soft: cubic-bezier(.4,0,.2,1);
  --t-fast: .18s; --t: .34s; --t-slow: .7s;

  --nav-h: 72px;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--black);
  color: var(--tx);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--acc);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--acc); color: #10160a; }

/* Skip link */
.skip {
  position: absolute; top: -100px; left: var(--gutter); z-index: 999;
  background: var(--acc); color: #10160a; padding: 10px 18px;
  border-radius: 0 0 var(--r-s) var(--r-s); font: 600 13px/1 var(--f-mono);
  transition: top var(--t-fast);
}
.skip:focus { top: 0; }

/* ---------- 3. ATMOSPHERE (grain + gridlines + vignette) ---------- */
.grain {
  position: fixed; inset: -50%; z-index: 2; pointer-events: none;
  opacity: .035; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 1.1s steps(3) infinite;
}
@keyframes grainShift {
  0%   { transform: translate(0,0); }
  33%  { transform: translate(-2%, 1.5%); }
  66%  { transform: translate(1.5%, -2%); }
  100% { transform: translate(0,0); }
}
.rules {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter);
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.rules span { border-left: 1px solid rgba(255,255,255,.035); }
.rules span:last-child { border-right: 1px solid rgba(255,255,255,.035); }
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 120% 80% at 50% 0%, transparent 40%, rgba(5,5,7,.75) 100%);
}

/* ---------- 4. CURSOR ---------- */
.cur, .cur-dot { position: fixed; top: 0; left: 0; z-index: 900; pointer-events: none; border-radius: 50%; }
.cur {
  width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.35);
  margin: -17px 0 0 -17px;
  transition: width var(--t) var(--e-out), height var(--t) var(--e-out),
              margin var(--t) var(--e-out), background var(--t), border-color var(--t), opacity var(--t);
  backdrop-filter: invert(.08);
}
.cur-dot { width: 4px; height: 4px; margin: -2px 0 0 -2px; background: var(--acc); }
body.cur-hot .cur {
  width: 62px; height: 62px; margin: -31px 0 0 -31px;
  background: rgba(196,248,42,.1); border-color: var(--acc);
}
@media (hover: none), (pointer: coarse) { .cur, .cur-dot { display: none; } }

/* ---------- 5. LAYOUT ---------- */
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); position: relative; z-index: 3; }
.section { padding-block: clamp(80px, 11vw, 150px); position: relative; z-index: 3; }
.section--tight { padding-block: clamp(56px, 7vw, 90px); }
.hr { height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong) 20%, var(--line-strong) 80%, transparent); border: 0; }

/* ---------- 6. TYPOGRAPHY ---------- */
.label {
  display: inline-flex; align-items: center; gap: 9px;
  font: 500 11px/1 var(--f-mono); letter-spacing: .18em; text-transform: uppercase;
  color: var(--acc);
}
.label::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--acc);
  box-shadow: 0 0 0 0 var(--acc-soft); animation: pulse 2.4s var(--e-soft) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(196,248,42,.5); }
  70%  { box-shadow: 0 0 0 10px rgba(196,248,42,0); }
  100% { box-shadow: 0 0 0 0 rgba(196,248,42,0); }
}
.label--muted { color: var(--tx-3); }
.label--muted::before { background: var(--tx-3); animation: none; }

h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; line-height: 1.04; letter-spacing: -.03em; }
.h-xl { font-size: clamp(2.55rem, 6.9vw, 5.3rem); }
.h-l  { font-size: clamp(1.9rem, 4.2vw, 3.3rem); line-height: 1.07; }
.h-m  { font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.14; }
.h-s  { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.24; letter-spacing: -.015em; }

.grad { background: var(--duo); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(1rem, 1.35vw, 1.16rem); color: var(--tx-2); max-width: var(--max-tx); line-height: 1.7; }
.mono { font-family: var(--f-mono); font-size: 12px; letter-spacing: .04em; color: var(--tx-3); }
.dim { color: var(--tx-2); }

/* Section head */
.sec-head { display: grid; gap: 18px; margin-bottom: clamp(44px, 6vw, 72px); max-width: 860px; }
.sec-head--center { margin-inline: auto; text-align: center; justify-items: center; }
.sec-head--center .lede { margin-inline: auto; }

/* ---------- 7. BUTTONS ---------- */
.btn {
  --bg: var(--acc); --fg: #10160a;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: 100px; overflow: hidden; isolation: isolate;
  font: 600 14.5px/1 var(--f-body); letter-spacing: -.01em;
  background: var(--bg); color: var(--fg);
  transition: transform var(--t) var(--e-out), box-shadow var(--t) var(--e-out), color var(--t);
  will-change: transform;
}
.btn::after {
  content: ''; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: linear-gradient(110deg, transparent 20%, rgba(255,255,255,.55) 50%, transparent 80%);
  transform: translateX(-120%); transition: transform .8s var(--e-out);
}
.btn:hover { box-shadow: 0 12px 40px -8px rgba(196,248,42,.5); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: scale(.97); }
.btn svg { width: 17px; height: 17px; flex: none; }

.btn--ghost {
  --bg: transparent; --fg: var(--tx);
  border: 1px solid var(--line-strong); backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--acc); color: var(--acc); box-shadow: none; background: var(--acc-soft); }
.btn--ghost::after { display: none; }
.btn--wa { --bg: #22c55e; --fg: #05200f; }
.btn--wa:hover { box-shadow: 0 12px 40px -8px rgba(34,197,94,.5); }
.btn--sm { padding: 11px 20px; font-size: 13.5px; }

/* Arrow link */
.alink {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 14px/1 var(--f-body); color: var(--acc);
}
.alink span { transition: transform var(--t) var(--e-out); }
.alink:hover span { transform: translateX(5px); }

/* ---------- 8. NAV ---------- */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%; z-index: 600;
  background: var(--duo); box-shadow: 0 0 14px var(--acc);
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 500;
  display: flex; align-items: center;
  transition: background var(--t), border-color var(--t), backdrop-filter var(--t);
  border-bottom: 1px solid transparent;
}
.nav.stuck {
  background: rgba(5,5,7,.72); backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; }

/* Logotipo — leve inclinación 3D al pasar el cursor */
.mark {
  width: 46px; height: auto; flex: none;
  transition: transform var(--t) var(--e-out), filter var(--t);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.6));
}
.brand:hover .mark { transform: perspective(300px) rotateY(-16deg) scale(1.05); }

.brand-tx { display: grid; line-height: 1.1; }
.brand-tx b { font: 700 15.5px/1 var(--f-display); letter-spacing: -.02em; }
.brand-tx small { font: 400 9.5px/1.4 var(--f-mono); letter-spacing: .16em; color: var(--tx-3); text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  position: relative; padding: 9px 14px; border-radius: var(--r-s);
  font: 500 14px/1 var(--f-body); color: var(--tx-2);
  transition: color var(--t-fast);
}
.nav-links a::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 1px;
  background: var(--acc); transform: scaleX(0); transform-origin: left;
  transition: transform var(--t) var(--e-out);
}
.nav-links a:hover { color: var(--tx); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--tx); }
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

/* Hamburger */
.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: var(--r-s); position: relative; }
.burger i {
  position: absolute; left: 12px; width: 20px; height: 1.5px; background: var(--tx); border-radius: 2px;
  transition: transform var(--t) var(--e-out), opacity var(--t-fast);
}
.burger i:nth-child(1) { top: 16px; }
.burger i:nth-child(2) { top: 21.5px; }
.burger i:nth-child(3) { top: 27px; }
.burger.on i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger.on i:nth-child(2) { opacity: 0; }
.burger.on i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.drawer {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 480;
  background: rgba(5,5,7,.96); backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--line);
  display: grid; gap: 4px; padding: 20px var(--gutter) 30px;
  transform: translateY(-110%); opacity: 0; visibility: hidden;
  transition: transform var(--t-slow) var(--e-out), opacity var(--t), visibility var(--t);
}
.drawer.on { transform: translateY(0); opacity: 1; visibility: visible; }
.drawer a {
  font: 600 22px/1 var(--f-display); letter-spacing: -.02em; padding: 15px 0;
  border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center;
  color: var(--tx-2); transition: color var(--t-fast), padding-left var(--t) var(--e-out);
}
.drawer a::after { content: '→'; color: var(--tx-3); font-family: var(--f-mono); font-size: 16px; }
.drawer a:hover, .drawer a[aria-current="page"] { color: var(--acc); padding-left: 8px; }
.drawer .btn { margin-top: 14px; }

/* ---------- 9. HERO / STAGE ---------- */
.stage { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: var(--nav-h); overflow: hidden; }
.stage--short { min-height: 62svh; }
.stage-canvas {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 45%, #000 45%, transparent 100%);
}
.stage-canvas canvas { width: 100% !important; height: 100% !important; }
/* CSS fallback when WebGL is unavailable */
.stage-canvas.fallback {
  background:
    radial-gradient(ellipse 50% 45% at 70% 35%, rgba(196,248,42,.18), transparent 65%),
    radial-gradient(ellipse 45% 55% at 20% 70%, rgba(110,91,255,.16), transparent 65%);
  animation: driftBg 16s var(--e-soft) infinite alternate;
}
@keyframes driftBg { to { transform: translate3d(-3%, 2%, 0) scale(1.08); } }

.hero-grid { display: grid; gap: clamp(28px, 4vw, 44px); position: relative; z-index: 3; padding-block: clamp(48px, 7vw, 88px); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border: 1px solid var(--line-strong); border-radius: 100px;
  font: 500 11.5px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--tx-2);
  background: rgba(255,255,255,.03); backdrop-filter: blur(6px);
  transition: border-color var(--t), color var(--t), transform var(--t) var(--e-out);
}
.chip:hover { border-color: var(--acc); color: var(--acc); transform: translateY(-2px); }
.chip b { color: var(--acc); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* Word-by-word masked reveal */
.reveal-words span { display: inline-block; overflow: hidden; vertical-align: bottom; }
.reveal-words span > i {
  display: inline-block; font-style: inherit;
  transform: translateY(104%); opacity: 0;
  transition: transform .9s var(--e-out), opacity .7s var(--e-out);
  transition-delay: var(--d, 0ms);
}
.is-in .reveal-words span > i, .reveal-words.is-in span > i { transform: translateY(0); opacity: 1; }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; }
.stat { background: var(--black-2); padding: 22px 24px; display: grid; gap: 5px; transition: background var(--t); }
.stat:hover { background: var(--surface-2); }
.stat b { font: 700 clamp(1.7rem, 3.4vw, 2.5rem)/1 var(--f-display); letter-spacing: -.035em; }
.stat span { font: 500 11px/1.4 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--tx-3); }

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: grid; justify-items: center; gap: 9px;
  font: 500 10px/1 var(--f-mono); letter-spacing: .24em; text-transform: uppercase; color: var(--tx-3);
}
.scroll-hint i { width: 1px; height: 42px; background: linear-gradient(var(--acc), transparent); animation: dropLine 2s var(--e-soft) infinite; }
@keyframes dropLine { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: top; } 56% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 10. PAGE HEADER (interior pages) ---------- */
.phead { position: relative; padding-top: calc(var(--nav-h) + clamp(56px, 8vw, 104px)); padding-bottom: clamp(40px, 6vw, 72px); overflow: hidden; }
.crumb { display: flex; align-items: center; gap: 9px; font: 500 11px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--tx-3); margin-bottom: 20px; }
.crumb a:hover { color: var(--acc); }
.crumb i { color: var(--line-strong); font-style: normal; }
.phead-grid { display: grid; gap: 22px; max-width: 880px; position: relative; z-index: 3; }

/* ---------- 11. CARDS (3D tilt) ---------- */
.tilt-scope { perspective: 1100px; }
.card {
  position: relative; display: grid; gap: 14px; align-content: start;
  padding: clamp(22px, 2.6vw, 32px);
  background: linear-gradient(160deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  border: 1px solid var(--line); border-radius: var(--r-l);
  transform-style: preserve-3d; will-change: transform;
  transition: transform .5s var(--e-out), border-color var(--t), box-shadow var(--t);
  overflow: hidden;
}
.card::before { /* glare */
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.12), transparent 62%);
  transition: opacity var(--t);
}
.card:hover { border-color: var(--line-strong); box-shadow: 0 26px 70px -30px rgba(0,0,0,.95); }
.card:hover::before { opacity: 1; }
.card > * { transform: translateZ(28px); }
.card--flat > * { transform: none; }

/* corner brackets */
.card--bracket::after {
  content: ''; position: absolute; top: 14px; right: 14px; width: 16px; height: 16px;
  border-top: 1px solid var(--acc); border-right: 1px solid var(--acc); opacity: .4;
  transition: opacity var(--t), transform var(--t) var(--e-out);
}
.card--bracket:hover::after { opacity: 1; transform: translate(3px, -3px); }

.card-ix {
  font: 500 11px/1 var(--f-mono); letter-spacing: .16em; color: var(--tx-3);
}
.card-ico {
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: var(--r-m);
  background: var(--acc-soft); border: 1px solid rgba(196,248,42,.25); color: var(--acc);
  transition: transform var(--t) var(--e-out), background var(--t);
}
.card-ico svg { width: 22px; height: 22px; }
.card:hover .card-ico { transform: translateZ(46px) scale(1.06) rotate(-4deg); }
.card p { color: var(--tx-2); font-size: 14.8px; line-height: 1.68; }
.card-note {
  margin-top: 4px; padding-top: 14px; border-top: 1px dashed var(--line-strong);
  font: 500 12px/1.5 var(--f-mono); color: var(--acc); letter-spacing: .02em;
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: clamp(16px, 2vw, 22px); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: clamp(16px, 2vw, 22px); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: clamp(14px, 1.6vw, 18px); }

/* Tag pills */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 6px 12px; border-radius: 100px; border: 1px solid var(--line);
  font: 500 11px/1 var(--f-mono); letter-spacing: .06em; color: var(--tx-2); background: rgba(255,255,255,.03);
}

/* ---------- 12. 3D MARQUEE ---------- */
.marquee { position: relative; overflow: hidden; padding-block: 18px; border-block: 1px solid var(--line); perspective: 700px; }
.marquee::before, .marquee::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 18%; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0;  background: linear-gradient(90deg, var(--black), transparent); }
.marquee::after  { right: 0; background: linear-gradient(-90deg, var(--black), transparent); }
.marquee-track { display: flex; gap: 46px; width: max-content; animation: slide 34s linear infinite; transform-style: preserve-3d; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.marquee-item {
  display: inline-flex; align-items: center; gap: 12px; white-space: nowrap;
  font: 600 clamp(1rem, 1.7vw, 1.4rem)/1 var(--f-display); letter-spacing: -.02em; color: var(--tx-3);
  transition: color var(--t), transform var(--t) var(--e-out);
}
.marquee-item:hover { color: var(--tx); transform: rotateY(-14deg) translateZ(30px); }
.marquee-item i { width: 5px; height: 5px; border-radius: 50%; background: var(--acc); opacity: .6; }

/* ---------- 13. CASE CARDS ---------- */
.case {
  position: relative; display: grid; gap: 26px; align-items: center;
  grid-template-columns: 1.05fr .95fr;
  padding: clamp(24px, 3.4vw, 46px);
  border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden;
  background: linear-gradient(140deg, rgba(255,255,255,.05), rgba(255,255,255,.012));
  transition: border-color var(--t), transform .5s var(--e-out);
}
.case::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity var(--t);
  background: radial-gradient(600px circle at var(--mx,50%) var(--my,50%), rgba(196,248,42,.09), transparent 60%);
}
.case:hover { border-color: rgba(196,248,42,.38); }
.case:hover::before { opacity: 1; }
.case-body { display: grid; gap: 16px; align-content: start; }
.case-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; }
.case-metric { background: rgba(10,10,15,.8); padding: 20px; display: grid; gap: 6px; }
.case-metric b { font: 700 clamp(1.5rem, 3vw, 2.2rem)/1 var(--f-display); letter-spacing: -.03em; }
.case-metric span { font: 500 10.5px/1.45 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--tx-3); }

/* 3D visual panel */
.case-visual {
  position: relative; aspect-ratio: 4/3; border-radius: var(--r-l); overflow: hidden;
  border: 1px solid var(--line); background: var(--black-2);
  display: grid; place-items: center; perspective: 800px;
}
.case-visual .layers { position: relative; width: 62%; aspect-ratio: 1; transform-style: preserve-3d; animation: floatLayers 9s var(--e-soft) infinite alternate; }
.case-visual .layers i {
  position: absolute; inset: 0; border: 1px solid var(--acc); border-radius: 12px; opacity: .35;
  background: linear-gradient(140deg, rgba(196,248,42,.1), transparent);
}
.case-visual .layers i:nth-child(1) { transform: translateZ(-46px) scale(.82); border-color: var(--acc-2); }
.case-visual .layers i:nth-child(2) { transform: translateZ(0) scale(.92); }
.case-visual .layers i:nth-child(3) { transform: translateZ(46px); opacity: .75; }
@keyframes floatLayers {
  from { transform: rotateX(48deg) rotateZ(-22deg) translateY(-6px); }
  to   { transform: rotateX(38deg) rotateZ(14deg) translateY(6px); }
}
.case-visual .kicker {
  position: absolute; left: 18px; bottom: 16px;
  font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--tx-3);
}

/* ---------- 14. PROCESS / STEPS ---------- */
.steps { display: grid; gap: 0; counter-reset: st; }
.step {
  display: grid; grid-template-columns: 96px 1fr; gap: clamp(16px, 3vw, 40px);
  padding-block: clamp(24px, 3vw, 36px); border-top: 1px solid var(--line);
  transition: background var(--t), padding-left var(--t) var(--e-out);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step:hover { background: rgba(255,255,255,.022); padding-left: 10px; }
.step-n { font: 700 clamp(1.6rem, 3vw, 2.4rem)/1 var(--f-display); color: transparent; -webkit-text-stroke: 1px var(--line-strong); letter-spacing: -.04em; transition: -webkit-text-stroke-color var(--t); }
.step:hover .step-n { -webkit-text-stroke-color: var(--acc); }
.step-body { display: grid; gap: 9px; }

/* ---------- 15. ACCORDION ---------- */
.acc { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 4px; text-align: left; font: 600 clamp(1rem, 1.5vw, 1.12rem)/1.35 var(--f-display);
  letter-spacing: -.015em; color: var(--tx-2); transition: color var(--t-fast);
}
.acc-btn:hover, .acc-item.on .acc-btn { color: var(--tx); }
.acc-sign { position: relative; width: 16px; height: 16px; flex: none; }
.acc-sign::before, .acc-sign::after { content: ''; position: absolute; background: var(--acc); border-radius: 2px; transition: transform var(--t) var(--e-out); }
.acc-sign::before { top: 7.5px; left: 0; width: 16px; height: 1.5px; }
.acc-sign::after  { left: 7.5px; top: 0; width: 1.5px; height: 16px; }
.acc-item.on .acc-sign::after { transform: rotate(90deg); }
.acc-panel { overflow: hidden; height: 0; transition: height var(--t) var(--e-out); }
.acc-panel p { padding: 0 4px 24px; color: var(--tx-2); max-width: 70ch; font-size: 15px; }

/* ---------- 16. CTA BAND ---------- */
.band {
  position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-xl);
  padding: clamp(34px, 5.5vw, 76px); text-align: center; display: grid; gap: 22px; justify-items: center;
  background: linear-gradient(150deg, rgba(196,248,42,.07), rgba(110,91,255,.07));
}
.band::before {
  content: ''; position: absolute; inset: -60% -10%; z-index: 0;
  background: conic-gradient(from 0deg, transparent 0 65%, rgba(196,248,42,.16) 80%, transparent 100%);
  animation: sweep 9s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.band > * { position: relative; z-index: 1; }

/* ---------- 17. FORM ---------- */
.form-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(24px, 4vw, 54px); align-items: start; }
.form {
  display: grid; gap: 16px; padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line); border-radius: var(--r-l); background: var(--black-2);
}
.field { display: grid; gap: 7px; }
.field label { font: 500 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--tx-3); }
.field label em { color: var(--acc); font-style: normal; }
.field label .opt { color: var(--tx-3); letter-spacing: .06em; }
.ctrl {
  width: 100%; padding: 13px 15px; border-radius: var(--r-s);
  background: var(--surface); border: 1px solid var(--line); color: var(--tx);
  font-size: 15px; transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.ctrl::placeholder { color: var(--tx-3); }
.ctrl:focus { outline: none; border-color: var(--acc); background: var(--surface-2); box-shadow: 0 0 0 3px var(--acc-soft); }
textarea.ctrl { resize: vertical; min-height: 128px; line-height: 1.6; }
.form-msg {
  display: none; padding: 12px 15px; border-radius: var(--r-s); font-size: 13.5px;
  border: 1px solid rgba(255,107,74,.4); background: rgba(255,107,74,.1); color: #ffb8a4;
}
.form-ok {
  display: none; gap: 12px; text-align: center; justify-items: center;
  padding: clamp(26px, 4vw, 40px); border: 1px solid rgba(196,248,42,.35);
  border-radius: var(--r-l); background: var(--acc-soft);
}
.form-ok .tick {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: var(--acc); color: #10160a; font-size: 26px; animation: pop .5s var(--e-out);
}
@keyframes pop { from { transform: scale(0) rotate(-40deg); } to { transform: scale(1) rotate(0); } }

.contact-aside { display: grid; gap: 18px; align-content: start; }
.contact-row {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--r-m); background: rgba(255,255,255,.025);
  transition: border-color var(--t), transform var(--t) var(--e-out), background var(--t);
}
.contact-row:hover { border-color: var(--acc); transform: translateX(5px); background: var(--acc-soft); }
.contact-row .card-ico { width: 40px; height: 40px; border-radius: var(--r-s); }
.contact-row div { display: grid; gap: 2px; }
.contact-row b { font: 600 14.5px/1.3 var(--f-body); }
.contact-row span { font: 400 12.5px/1.3 var(--f-mono); color: var(--tx-3); }

/* ---------- 18. FOOTER ---------- */
.foot { border-top: 1px solid var(--line); padding-block: clamp(46px, 6vw, 76px) 26px; position: relative; z-index: 3; background: var(--black); }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: clamp(26px, 4vw, 48px); }
.foot-col { display: grid; gap: 13px; align-content: start; }
.foot-col h4 { font: 600 12px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--tx-3); }
.foot-col a { font-size: 14.5px; color: var(--tx-2); width: fit-content; transition: color var(--t-fast), transform var(--t-fast); }
.foot-col a:hover { color: var(--acc); transform: translateX(3px); }
.foot-note { max-width: 42ch; font-size: 14.5px; color: var(--tx-2); }
.foot-slogan { font: 600 14.5px/1.4 var(--f-display); color: var(--acc); }
.foot-bottom {
  margin-top: clamp(34px, 5vw, 56px); padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font: 400 12.5px/1.5 var(--f-mono); color: var(--tx-3);
}

/* ---------- 19. REVEAL ---------- */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--e-out), transform .8s var(--e-out); transition-delay: var(--d, 0ms); }
.rv.is-in { opacity: 1; transform: none; }
.rv-l { opacity: 0; transform: translateX(-24px); transition: opacity .8s var(--e-out), transform .8s var(--e-out); transition-delay: var(--d, 0ms); }
.rv-l.is-in { opacity: 1; transform: none; }
/* 3D card entrance */
.rv-3d { opacity: 0; transform: perspective(1000px) rotateX(14deg) translateY(36px); transform-origin: bottom;
  transition: opacity .9s var(--e-out), transform .9s var(--e-out); transition-delay: var(--d, 0ms); }
.rv-3d.is-in { opacity: 1; transform: none; }

/* ---------- 20. PAGE TRANSITION VEIL ---------- */
.veil {
  position: fixed; inset: 0; z-index: 800; pointer-events: none; background: var(--black);
  transform: scaleY(0); transform-origin: bottom; transition: transform .55s var(--e-out);
}
.veil.out { transform: scaleY(1); transform-origin: bottom; }
.veil.in  { transform: scaleY(0); transform-origin: top; }

/* ---------- 21. RESPONSIVE ---------- */
@media (max-width: 1000px) {
  .form-wrap { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .case-visual { aspect-ratio: 16/10; order: -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-links, .nav-cta .btn { display: none; }
  .burger { display: block; }
  .rules { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
  .case-metrics { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 10px; }
  .btn { width: 100%; }
  .hero-actions { gap: 10px; }
  .band { padding-inline: 20px; }
}

/* ---------- 22. REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  .rv, .rv-l, .rv-3d { opacity: 1 !important; transform: none !important; }
  .reveal-words span > i { transform: none !important; opacity: 1 !important; }
  .cur, .cur-dot, .grain { display: none; }
}