/* =========================================================
   Привлекай — GEO landing
   Palette: "signal in the noise" — spectral cyan→violet→magenta on deep void
   ========================================================= */

:root {
  /* base */
  --void: #050510;
  --abyss: #08081c;
  --raise: rgba(255, 255, 255, 0.035);
  --raise-2: rgba(255, 255, 255, 0.06);
  --line: rgba(160, 170, 230, 0.14);
  --line-2: rgba(160, 170, 230, 0.24);

  /* ink */
  --ice: #eaedff;
  --mist: #9096c4;
  --faint: #565c85;

  /* spectral accents */
  --c1: #4fe3d0; /* cyan   */
  --c2: #5b8cff; /* blue   */
  --c3: #a56bff; /* violet */
  --c4: #ff5cc8; /* magenta*/
  --grad: linear-gradient(100deg, var(--c1), var(--c2) 42%, var(--c3) 74%, var(--c4));
  --grad-soft: linear-gradient(100deg, rgba(79, 227, 208, 0.14), rgba(91, 140, 255, 0.14) 50%, rgba(165, 107, 255, 0.14));
  /* palindromic loop for seamlessly flowing gradient text */
  --grad-loop: linear-gradient(90deg, var(--c1), var(--c2), var(--c3), var(--c4), var(--c1));

  /* type */
  --display: "Unbounded", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  /* rhythm */
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 64px);
  --section-y: clamp(72px, 11vw, 150px);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  font-weight: 400;
  color: var(--ice);
  background: var(--void);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.05; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, canvas { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(91, 140, 255, 0.35); color: #fff; }

/* ---------- ambient background layers ---------- */
#field, #trail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
#trail { z-index: 60; } /* above content, below nothing interactive */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05;
  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='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 8s steps(6) infinite;
}
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(91, 140, 255, 0.10), transparent 55%),
    radial-gradient(120% 90% at 12% 100%, rgba(165, 107, 255, 0.10), transparent 55%),
    radial-gradient(100% 100% at 50% 50%, transparent 55%, rgba(2, 2, 8, 0.6) 100%);
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-4%, 3%); }
  40%  { transform: translate(3%, -4%); }
  60%  { transform: translate(-3%, -2%); }
  80%  { transform: translate(4%, 3%); }
  100% { transform: translate(0, 0); }
}

/* slow flowing color haze — faint ambient "motion" behind everything */
.aurora {
  position: fixed;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.16;
  filter: blur(72px) saturate(135%);
  background:
    radial-gradient(38% 42% at 22% 30%, rgba(79, 227, 208, 0.55), transparent 60%),
    radial-gradient(42% 46% at 80% 26%, rgba(91, 140, 255, 0.50), transparent 62%),
    radial-gradient(48% 52% at 64% 78%, rgba(165, 107, 255, 0.50), transparent 62%),
    radial-gradient(34% 40% at 28% 82%, rgba(255, 92, 200, 0.42), transparent 60%);
  animation: aurora-drift 30s ease-in-out infinite alternate;
}
.aurora::before, .aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  mix-blend-mode: screen;
}
.aurora::before { animation: aurora-spin 46s linear infinite; opacity: 0.55; }
.aurora::after  { animation: aurora-spin 72s linear infinite reverse; opacity: 0.40; }
@keyframes aurora-drift {
  0%   { transform: translate3d(-2%, -1%, 0) scale(1.06); }
  50%  { transform: translate3d(3%, 2%, 0) scale(1.14); }
  100% { transform: translate3d(-1%, 3%, 0) scale(1.08); }
}
@keyframes aurora-spin { to { transform: rotate(360deg) scale(1.12); } }

/* content sits above ambient layers */
.nav, main, .footer, .mobile-menu { position: relative; z-index: 10; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: var(--pad); }

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--ice);
  color: var(--void);
  border-radius: 8px;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c1);
  margin-bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--c1), transparent);
}
.section-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4.6vw, 3.4rem);
  letter-spacing: -0.02em;
}
.lead {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--mist);
  max-width: 46ch;
  margin-top: 22px;
}
.lead.muted { color: var(--faint); }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- buttons ---------- */
.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: 1px solid var(--line-2);
  color: var(--ice);
  background: var(--btn-bg);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), color 0.3s var(--ease);
  overflow: hidden;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 2px solid var(--c1); outline-offset: 3px; }

.btn-primary {
  border-color: transparent;
  color: #05060f;
  background: var(--grad);
  background-size: 180% 180%;
  box-shadow: 0 8px 30px rgba(91, 140, 255, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  animation: grad-drift 9s ease infinite;
}
.btn-primary:hover {
  box-shadow: 0 12px 44px rgba(165, 107, 255, 0.4), inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}
@keyframes grad-drift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.btn-ghost { background: var(--raise); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: var(--c1); box-shadow: 0 0 30px rgba(79, 227, 208, 0.18); }
.btn-block { width: 100%; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px var(--pad);
  background: rgba(5, 5, 16, 0.55);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid transparent;
  z-index: 100; /* above scrolled main content so nav links stay clickable */
  transition: border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.nav.scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 5, 16, 0.82);
}
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display: grid;
  place-items: center;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: var(--grad) border-box;
  -webkit-mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.6;
  animation: spin 12s linear infinite;
}
.brand-mark-core {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(91, 140, 255, 0.9);
  animation: pulse 3s var(--ease) infinite;
}
.brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}
.ai {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 26px rgba(91, 140, 255, 0.35);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--mist);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--grad);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--ice); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { padding: 11px 20px; }

.nav-toggle { display: none; }

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 62px 0 auto 0;
  z-index: 120;
  flex-direction: column;
  gap: 4px;
  padding: 18px var(--pad) 26px;
  background: rgba(6, 6, 20, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
  display: none;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu a { padding: 14px 4px; font-family: var(--mono); font-size: 0.95rem; color: var(--mist); border-bottom: 1px solid var(--line); }
.mobile-menu a:last-of-type { border: 0; margin-top: 14px; }
.mobile-menu .btn-primary { color: #05060f; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 90px var(--pad) 60px;
}
.hero-inner {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
}
.hero-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  letter-spacing: -0.03em;
  line-height: 0.98;
  margin-bottom: 10px;
}
.hero-title .grad { display: inline-block; }
.hero-sub { color: var(--mist); font-size: clamp(1rem, 1.6vw, 1.22rem); max-width: 52ch; margin-top: 26px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-proof {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  max-width: 48ch;
}
.proof-figure {
  font-family: var(--display);
  font-weight: 700;
  font-size: 2.4rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex: none;
  line-height: 1;
}
.proof-text { font-size: 0.9rem; color: var(--mist); }
.proof-text a { display: inline-block; color: var(--c1); font-family: var(--mono); font-size: 0.78rem; margin-top: 4px; }
.proof-text a:hover { color: var(--ice); }

/* scroll cue */
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--faint);
}
.scroll-cue-line { width: 1px; height: 42px; background: linear-gradient(var(--c1), transparent); animation: cue 2.4s var(--ease) infinite; transform-origin: top; }
.scroll-cue-text { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase; }
@keyframes cue { 0%, 100% { transform: scaleY(0.4); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---------- SIGNATURE: answer core ---------- */
.core {
  --core: min(46vw, 440px);
  position: relative;
  width: var(--core);
  height: var(--core);
  margin-inline: auto;
  justify-self: center;
}
.core-glow {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(91, 140, 255, 0.35), rgba(165, 107, 255, 0.14) 45%, transparent 70%);
  filter: blur(24px);
  animation: pulse-glow 6s var(--ease) infinite;
}
@keyframes pulse-glow { 0%, 100% { opacity: 0.7; transform: scale(0.96); } 50% { opacity: 1; transform: scale(1.05); } }

.core-nucleus {
  position: absolute;
  top: 50%; left: 50%;
  width: 21%; height: 21%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 34%, #f4fffe, var(--c1) 34%, var(--c2) 62%, var(--c3) 100%);
  box-shadow: 0 0 34px rgba(79, 227, 208, 0.7), 0 0 70px rgba(91, 140, 255, 0.45);
  animation: pulse-nucleus 4s var(--ease) infinite;
  z-index: 3;
}
.core-dot {
  position: absolute;
  inset: 26%;
  border-radius: 50%;
  background: #fff;
  filter: blur(1px);
  opacity: 0.9;
}

/* rotating conic "sweep" rings */
.core-sweep {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 1.5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 1.5px));
}
.sweep-1 {
  width: 44%; height: 44%;
  background: conic-gradient(from 0deg, transparent 0deg, var(--c1) 60deg, transparent 130deg);
  animation: spin 9s linear infinite;
}
.sweep-2 {
  width: 66%; height: 66%;
  background: conic-gradient(from 180deg, transparent 0deg, var(--c3) 70deg, transparent 150deg);
  animation: spin 15s linear infinite reverse;
  opacity: 0.85;
}
.sweep-3 {
  width: 90%; height: 90%;
  background: conic-gradient(from 90deg, transparent 0deg, var(--c4) 50deg, transparent 120deg);
  animation: spin 22s linear infinite;
  opacity: 0.6;
}
/* faint static ring outlines under the sweeps */
.orbit {
  position: absolute;
  top: 50%; left: 50%;
  border-radius: 50%;
  border: 1px solid var(--line);
  transform: translate(-50%, -50%);
}
.orbit-1 { width: 44%; height: 44%; --r: calc(var(--core) * 0.22); }
.orbit-2 { width: 66%; height: 66%; --r: calc(var(--core) * 0.33); }
.orbit-3 { width: 90%; height: 90%; --r: calc(var(--core) * 0.45); border-style: dashed; border-color: rgba(160,170,230,0.10); }

/* satellites: placed at angle --a on the ring, kept upright */
.sat {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  transform: rotate(var(--a)) translateY(calc(-1 * var(--r))) rotate(calc(-1 * var(--a)));
}
.sat::before { /* filament pulling the token toward the core */
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: var(--r);
  transform: translate(-50%, 0) rotate(var(--a));
  transform-origin: top center;
  background: linear-gradient(var(--c2), transparent);
  opacity: 0.35;
}
.chip {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ice);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(10, 12, 30, 0.72);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
  animation: float 7s var(--ease) infinite;
}
.chip.small { font-size: 0.66rem; padding: 5px 10px; color: var(--mist); }
.sat:nth-child(2) .chip { animation-delay: -1.4s; }
.sat:nth-child(3) .chip { animation-delay: -2.8s; }
.orbit-2 .chip { animation-duration: 8.5s; }
.orbit-3 .chip { animation-duration: 10s; }

@keyframes float { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 7px)); } }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.12); opacity: 0.85; } }
/* brand mark core pulse uses its own (no translate) */
.brand-mark-core { animation-name: pulseSimple; }
@keyframes pulseSimple { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.25); opacity: 0.7; } }
/* nucleus keeps its centering translate while pulsing (fixes off-center core) */
@keyframes pulse-nucleus {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50%      { transform: translate(-50%, -50%) scale(1.12); opacity: 0.85; }
}

/* ---------- generic section ---------- */
.section { padding-block: var(--section-y); position: relative; }
.section-title + .lead { margin-top: 24px; }

/* ---------- shift ---------- */
.shift-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  margin-top: 30px;
}
.shift-lead .lead { max-width: 44ch; }
.shift-figure {
  text-align: right;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--raise);
  position: relative;
  overflow: visible; /* let the big % glyph breathe past the padding */
}
.shift-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit; /* keeps the glow inside rounded corners without clipping text */
  background: radial-gradient(120% 120% at 100% 0, rgba(165, 107, 255, 0.18), transparent 55%);
  pointer-events: none;
}
.bignum {
  display: block;
  width: fit-content;
  margin-left: auto; /* right-align the fitted box so % never hits a container edge */
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(4rem, 12vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.shift-figure figcaption {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--mist);
  margin-top: 14px;
  line-height: 1.5;
}
.shift-figure figcaption a { display: block; color: var(--c1); margin-top: 6px; }
.shift-figure figcaption a:hover { color: var(--ice); }

/* ---------- numbers ---------- */
.numbers .section-title { margin-top: 4px; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 54px;
}
.stat {
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--raise);
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.stat:hover {
  transform: translateY(-4px);
  border-color: var(--line-2);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.stat-num {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.stat-label { color: var(--mist); font-size: 0.95rem; margin-top: 14px; }
.stat-src {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--faint);
  margin-top: 16px;
}
a.stat-src { color: var(--c1); }
a.stat-src:hover { color: var(--ice); }
.numbers-foot {
  margin-top: 34px;
  color: var(--faint);
  font-size: 0.92rem;
  max-width: 64ch;
}
.numbers-foot a { color: var(--c1); font-family: var(--mono); font-size: 0.78rem; }
.numbers-foot a:hover { color: var(--ice); }

/* ---------- services ---------- */
.services .section-title { margin-top: 4px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 54px;
}
.card {
  position: relative;
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--raise);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.card::before { /* cursor-follow glow */
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  left: var(--mx, 50%); top: var(--my, 50%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(91, 140, 255, 0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.card:hover::before { opacity: 1; }
.card-index {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.4rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 18px;
}
.card h3 { font-family: var(--display); font-weight: 500; font-size: 1.18rem; margin-bottom: 12px; }
.card p { color: var(--mist); font-size: 0.96rem; position: relative; }

/* ---------- platforms ---------- */
.platforms .lead { margin-bottom: 8px; }
.platform-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
}
.platform {
  font-family: var(--mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--raise);
  color: var(--mist);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease), background 0.3s var(--ease);
}
.platform:hover {
  color: var(--ice);
  border-color: transparent;
  background: var(--grad-soft);
  box-shadow: 0 0 26px rgba(91, 140, 255, 0.22);
  transform: translateY(-2px);
}

/* ---------- approach ---------- */
.approach .section-title { margin-bottom: 40px; }
.steps { display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-num {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--faint);
  position: relative;
  padding-left: 22px;
}
.step-num::before {
  content: "";
  position: absolute;
  left: 0; top: 0.42em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 12px rgba(91, 140, 255, 0.8);
}
.step-body h3 { font-family: var(--display); font-weight: 500; font-size: 1.5rem; margin-bottom: 10px; }
.step-body p { color: var(--mist); font-size: 1rem; max-width: 60ch; }
.step:hover .step-body h3 { color: #fff; }

/* ---------- why ---------- */
.why .section-title { margin-bottom: 50px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 44px;
}
.why-item { position: relative; padding-top: 22px; border-top: 1px solid var(--line-2); }
.why-item h3 { font-family: var(--display); font-weight: 500; font-size: 1.24rem; margin-bottom: 12px; }
.why-item p { color: var(--mist); font-size: 0.98rem; }

/* ---------- cta / form ---------- */
.cta { position: relative; }
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 120% at 20% 0, rgba(79, 227, 208, 0.08), transparent 55%);
  pointer-events: none;
}
.cta-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(34px, 5vw, 72px);
  align-items: start;
}
.cta-copy .lead { max-width: 42ch; }
.cta-list { margin-top: 28px; display: grid; gap: 12px; }
.cta-list li {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--mist);
  padding-left: 26px;
  position: relative;
}
.cta-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 12px; height: 1px;
  background: var(--grad);
}

/* form */
.form {
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015));
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.form::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: 22px;
  background: var(--grad);
  opacity: 0.25;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.field { margin-bottom: 18px; position: relative; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 8px;
}
.field .opt { text-transform: none; letter-spacing: 0; color: var(--faint); }
.field input, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(4, 5, 14, 0.6);
  color: var(--ice);
  font-family: var(--body);
  font-size: 1rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c2);
  background: rgba(4, 5, 14, 0.9);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.15);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: rgba(255, 92, 200, 0.6); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form .btn { margin-top: 8px; }
.form-note {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--faint);
  margin-top: 16px;
  line-height: 1.5;
  transition: color 0.3s var(--ease);
}
.form-note.ok { color: var(--c1); }
.form-note.err { color: #ff8fc7; }
.form.sent .field, .form.sent > .btn { opacity: 0.35; pointer-events: none; transition: opacity 0.4s var(--ease); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 56px; margin-top: 20px; }
.footer-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 40px;
  align-items: start;
}
.footer-brand .brand-name { font-size: 1.3rem; }
.footer-tag { color: var(--faint); font-size: 0.92rem; margin-top: 12px; max-width: 34ch; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.footer-nav a { font-family: var(--mono); font-size: 0.84rem; color: var(--mist); transition: color 0.25s var(--ease); }
.footer-nav a:hover { color: var(--ice); }
.footer-meta { display: flex; flex-direction: column; gap: 6px; text-align: right; font-family: var(--mono); font-size: 0.82rem; color: var(--faint); }

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- animated (flowing) spectral gradients ---------- */
.grad, .ai, .proof-figure, .bignum, .stat-num, .card-index {
  background-image: var(--grad-loop);
  background-size: 220% auto;
  background-position: 0% center;
  animation: grad-flow 8s linear infinite;
}
.ai { animation-duration: 11s; }
.proof-figure { animation-duration: 9s; }
.bignum { animation-duration: 7s; padding-right: 0.2em; } /* room so % never clips */
.stat-num { animation-duration: 8.5s; padding-right: 0.08em; }
.card-index { animation-duration: 12s; }
@keyframes grad-flow { to { background-position: 220% center; } }

/* let the form's gradient border breathe too */
.form::before { background-size: 200% 200%; animation: grad-drift 14s ease infinite; }

/* ---------- numbers: upward growth trend chart ---------- */
.trend {
  margin-top: 44px;
  padding: 24px clamp(18px, 3vw, 32px) 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--raise);
  position: relative;
  overflow: hidden;
}
.trend::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(90% 150% at 100% 0, rgba(91, 140, 255, 0.12), transparent 55%);
  pointer-events: none;
}
.trend-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 6px;
  position: relative;
}
.trend-head h3 { font-family: var(--display); font-weight: 500; font-size: 1.12rem; }
.trend-head span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.trend-chart { width: 100%; height: auto; display: block; }
.chart-grid line { stroke: var(--line); stroke-width: 1; }
.chart-guide { stroke: rgba(165, 107, 255, 0.45); stroke-width: 1.5; stroke-dasharray: 5 7; }
.chart-area { fill: url(#trendArea); opacity: 0; transition: opacity 1.4s var(--ease) 0.5s; }
.trend.in .chart-area { opacity: 1; }
.chart-line {
  fill: none;
  stroke: url(#trendGrad);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  filter: drop-shadow(0 0 6px rgba(91, 140, 255, 0.45));
}
.trend.in .chart-line { stroke-dashoffset: 0; transition: stroke-dashoffset 1.9s var(--ease); }
/* faint permanent terminus so the line always reads as ending on the right */
.chart-tip {
  fill: rgba(234, 255, 251, 0.5);
  filter: drop-shadow(0 0 5px rgba(79, 227, 208, 0.6));
  opacity: 0;
  transition: opacity 0.5s var(--ease) 1.6s;
}
.trend.in .chart-tip { opacity: 1; }

/* the ball endlessly travels up the trend line, in the same up-right direction */
.chart-comet {
  fill: #eafffb;
  filter: drop-shadow(0 0 8px rgba(79, 227, 208, 0.95)) drop-shadow(0 0 18px rgba(91, 140, 255, 0.55));
  offset-path: path("M24,208 C150,196 200,158 300,150 C380,143 430,120 470,96 C520,72 548,66 596,44");
  animation: comet-run 3.8s linear infinite;
}
.chart-comet.t1 {
  fill: #bfe9ff;
  filter: drop-shadow(0 0 6px rgba(91, 140, 255, 0.6));
  animation-delay: 0.13s;
}
.chart-comet.t2 {
  fill: #a9b8ff;
  filter: drop-shadow(0 0 5px rgba(165, 107, 255, 0.5));
  animation-delay: 0.26s;
}
@keyframes comet-run {
  0%   { offset-distance: 0%;   opacity: 0; }
  12%  { opacity: 1; }
  84%  { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}


/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 34px 40px; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px; height: 42px;
    margin-left: auto;
    border: 1px solid var(--line-2);
    border-radius: 10px;
    background: var(--raise);
  }
  .nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ice); margin-inline: auto; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
  .mobile-menu { display: flex; }

  .hero { padding-top: 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 20px; text-align: left; }
  .hero-copy { order: 2; }
  .core { order: 1; --core: min(74vw, 340px); margin-top: 6px; }
  .scroll-cue { display: none; }

  .shift-grid { grid-template-columns: 1fr; }
  .shift-figure { text-align: left; }
  .cta-wrap { grid-template-columns: 1fr; }
  .footer-wrap { grid-template-columns: 1fr; gap: 26px; }
  .footer-meta { text-align: left; flex-direction: row; gap: 18px; }
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 8px; }
  .step-num { padding-left: 20px; }
  .hero-proof { flex-direction: column; align-items: flex-start; gap: 10px; }
  .btn { width: 100%; }
  .hero-actions .btn { width: 100%; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  #field, #trail, .grain { display: none; }
  .core-glow, .core-nucleus, .sweep-1, .sweep-2, .sweep-3 { animation: none; }
}