/* ============================================================
   Linksider AI — лендинг. Дизайн-система v2.
   ПРЕМИУМ ТЁМНАЯ ТЕМА · глубокий графит + золото · градиенты,
   стекло, свечения, много движения.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* surfaces (deep graphite, не угольно-чёрный) */
  --bg-0:    #0E1014;   /* самый глубокий — фон страницы за градиентами */
  --paper:   #14161D;   /* основная поверхность */
  --paper-2: #181B23;   /* чередующиеся секции */
  --paper-3: #232734;   /* рамки/глубже */
  --card:    #1A1D26;   /* карточки */
  --card-2:  #20242F;   /* приподнятые блоки */
  --glass:   rgba(26,29,38,.72);

  /* text (тёплый off-white) */
  --ink:      #F4F2EA;  /* основной текст */
  --ink-2:    #C9C8C2;  /* вторичный */
  --ink-soft: #8B8B86;  /* приглушённый */
  --line:   rgba(255,255,255,.09);
  --line-2: rgba(255,255,255,.16);
  --white:  #FFFFFF;

  /* brand accent — синий (на тёмном = яркое и светящееся) */
  --gold:        #4F8DF7;   /* основной акцент */
  --gold-bright: #7FB0FB;   /* верхняя точка градиента */
  --gold-deep:   #3A6FD8;   /* нижняя точка градиента */
  --gold-strong: #8FBBFC;   /* акцент для ТЕКСТА на тёмном */
  --gold-tint:   rgba(79,141,247,.15);   /* мягкая заливка */
  --gold-tint-2: rgba(79,141,247,.26);
  --gold-line:   rgba(79,141,247,.38);
  --gold-glow:   rgba(79,141,247,.40);
  --sec-pad:     72px;

  /* semantic (ярче для тёмного фона) */
  --loss:       #F0795B;   /* терракот — потери */
  --loss-tint:  rgba(240,121,91,.14);
  --gain:       #43D6A0;   /* зелёный — результат */
  --gain-tint:  rgba(67,214,160,.15);
  --info:       #5B9BD8;

  /* gradients */
  --grad-gold: linear-gradient(135deg,var(--gold-bright),var(--gold) 46%,var(--gold-deep));
  --grad-panel: linear-gradient(165deg,#1E222D 0%,#15171F 70%);
  --grad-ink: radial-gradient(120% 140% at 20% 0%,#20242F 0%,#14161D 55%,#101218 100%);

  /* type */
  --f-head:    'Unbounded', system-ui, sans-serif;  /* крупные заголовки */
  --f-display: 'Manrope', system-ui, sans-serif;     /* h3/h4/UI */
  --f-body:    'Manrope', system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* shape */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --r-xl: 30px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow:    0 2px 6px rgba(0,0,0,.3), 0 18px 44px rgba(0,0,0,.45);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.35), 0 36px 80px rgba(0,0,0,.55);
  --glow:      0 0 0 1px var(--gold-line), 0 8px 30px var(--gold-glow);

  --maxw: 1200px;
}

/* ---------- Reset ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);
  background:var(--bg-0);
  color:var(--ink);
  font-size:18px;
  line-height:1.6;
  font-weight:400;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  position:relative;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--gold-tint-2);color:var(--white)}

/* ---------- Ambient background (ауроры + сетка) ---------- */
.bg-field{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden;background:var(--bg-0)}
.bg-field::before{
  /* тонкая сетка */
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 0%,transparent 70%);
          mask-image:radial-gradient(120% 90% at 50% 0%,#000 0%,transparent 70%);
  opacity:.5;
}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.aurora--gold{width:620px;height:620px;top:-180px;left:-120px;background:radial-gradient(circle,rgba(79,141,247,.40),transparent 65%);animation:drift1 26s ease-in-out infinite}
.aurora--cool{width:560px;height:560px;top:8%;right:-160px;background:radial-gradient(circle,rgba(91,155,216,.26),transparent 65%);animation:drift2 32s ease-in-out infinite}
.aurora--deep{width:760px;height:760px;bottom:-280px;left:30%;background:radial-gradient(circle,rgba(79,141,247,.16),transparent 65%);animation:drift3 38s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(80px,60px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-70px,50px)}}
@keyframes drift3{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,-50px)}}
@media (prefers-reduced-motion:reduce){.aurora{animation:none}}

/* scroll progress bar */
.scroll-prog{position:fixed;top:0;left:0;height:3px;width:0;z-index:200;background:var(--grad-gold);box-shadow:0 0 12px var(--gold-glow);transition:width .12s linear}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:var(--sec-pad,124px) 0;position:relative}
.section--tight{padding:84px 0}
.section--alt{background:linear-gradient(180deg,transparent,var(--paper-2) 12%,var(--paper-2) 88%,transparent)}
.section--ink{background:var(--grad-ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.divider{height:1px;background:var(--line);max-width:var(--maxw);margin:0 auto}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--f-head);font-weight:700;line-height:1.05;letter-spacing:-.02em;overflow-wrap:break-word}
.h1{font-family:var(--f-head);font-size:clamp(38px,5vw,68px);font-weight:800;line-height:1.04;letter-spacing:-.03em}
.h2{font-family:var(--f-head);font-size:clamp(28px,3.5vw,48px);font-weight:700;letter-spacing:-.025em;line-height:1.08}
.h3{font-family:var(--f-display);font-size:clamp(21px,2.1vw,28px);font-weight:700;letter-spacing:-.02em}
h4{font-family:var(--f-display)}
.lead{font-size:clamp(18px,1.5vw,22px);line-height:1.55;color:var(--ink-2)}
.muted{color:var(--ink-soft)}
.balance{text-wrap:balance}
.pretty{text-wrap:pretty}

.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold-strong);
  display:inline-flex;align-items:center;gap:9px;
}
.eyebrow::before{
  content:"";width:24px;height:1px;background:var(--grad-gold);
}
.eyebrow--plain::before{display:none}

.mono{font-family:var(--f-mono)}
.gold-text{
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;font-weight:inherit;
}
.mark{position:relative;white-space:nowrap;color:var(--gold-strong)}
.mark::after{
  content:"";position:absolute;left:-.04em;right:-.04em;bottom:.06em;height:.34em;
  background:var(--gold-tint-2);border-radius:3px;z-index:-1;
}

.section-head{max-width:780px;margin-bottom:60px}
.section-head .h2{margin:18px 0 0}
.section-head .lead{margin-top:22px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow{justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--f-display);font-weight:700;font-size:16px;letter-spacing:-.01em;
  padding:15px 26px;border-radius:999px;border:1px solid transparent;
  transition:transform .2s cubic-bezier(.3,.7,.4,1),box-shadow .2s,background .2s,border-color .2s,color .2s;
  white-space:nowrap;line-height:1;position:relative;overflow:hidden;
}
.btn svg{width:18px;height:18px;position:relative;z-index:1}
.btn span,.btn{z-index:1}
.btn--primary{background:var(--grad-gold);color:#1A1503;box-shadow:0 1px 0 rgba(255,255,255,.45) inset,0 10px 28px var(--gold-glow)}
.btn--primary::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);transition:left .6s}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 16px 38px var(--gold-glow)}
.btn--primary:hover::after{left:130%}
.btn--dark{background:var(--card-2);color:var(--ink);border-color:var(--line-2)}
.btn--dark:hover{transform:translateY(-2px);background:#2A2F3B;border-color:var(--gold-line)}
.btn--ghost{background:rgba(255,255,255,.03);color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--gold-line);background:var(--gold-tint);color:var(--white)}
.btn--sm{padding:11px 18px;font-size:14.5px}
.btn--lg{padding:18px 32px;font-size:18px}
.btn--block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg-0) 72%,transparent);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);background:color-mix(in srgb,var(--bg-0) 86%,transparent)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-size:15px;color:var(--ink-2);font-weight:500;transition:color .15s;position:relative}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:var(--grad-gold);transition:right .25s}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{right:0}
.nav__cta{display:flex;align-items:center;gap:14px}

/* logo */
.logo{display:inline-flex;align-items:center;gap:11px;font-family:var(--f-head);font-weight:700;font-size:20px;letter-spacing:-.02em}
.logo__img{width:34px;height:34px;border-radius:50%;flex-shrink:0;display:block;background:#fff;box-shadow:0 0 0 1px var(--line-2),0 2px 10px rgba(0,0,0,.5)}
.hv-card__title .logo__img{width:24px;height:24px}
.logo__ai{
  font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.04em;
  background:var(--gold-tint-2);color:var(--gold-strong);
  padding:3px 7px;border-radius:6px;align-self:center;border:1px solid var(--gold-line);
}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .25s cubic-bezier(.3,.7,.4,1),box-shadow .25s,border-color .25s;
}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(160deg,rgba(255,255,255,.08),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card--hover:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--gold-line)}
.card__ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--gold-tint);color:var(--gold-strong);border:1px solid var(--gold-line);
}
.card__ico svg{width:23px;height:23px}
.card h3{font-size:21px;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--ink-2);font-size:16px;line-height:1.55}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.pill{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);
  font-size:12.5px;font-weight:500;letter-spacing:.03em;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);
  color:var(--ink-2);background:rgba(255,255,255,.03);
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--gain)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 116px;position:relative;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:62px;align-items:center}
.hero__eyebrow{margin-bottom:26px}
.hero h1{margin-bottom:26px}
.hero__sub{font-size:clamp(18px,1.5vw,21px);color:var(--ink-2);max-width:548px;line-height:1.55}
.hero__sub b{color:var(--ink);font-weight:600}
.hero__cta{display:flex;align-items:center;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero__trust{display:flex;align-items:center;gap:24px;margin-top:38px;flex-wrap:wrap}
.hero__note{font-size:14.5px;color:var(--ink-soft);display:flex;align-items:center;gap:8px}
.hero__note svg{width:16px;height:16px;color:var(--gain)}

.hero__flowstrip{display:none;margin-top:46px}

body[data-hero="center"] .hero__grid{grid-template-columns:1fr;text-align:center;gap:48px;justify-items:center}
body[data-hero="center"] .hero__sub{max-width:640px}
body[data-hero="center"] .hero__eyebrow{justify-content:center}
body[data-hero="center"] .hero__cta,
body[data-hero="center"] .hero__trust{justify-content:center}
body[data-hero="center"] .hero__visual{width:100%;max-width:720px}

body[data-hero="bold"] .hero{padding-top:54px}
body[data-hero="bold"] .hero__grid{grid-template-columns:1fr;gap:0}
body[data-hero="bold"] .hero h1{font-size:clamp(44px,7vw,98px);max-width:15ch}
body[data-hero="bold"] .hero__sub{max-width:620px}
body[data-hero="bold"] .hero__visual{display:none}
body[data-hero="bold"] .hero__flowstrip{display:block}

/* hero visual: live mini-dashboard card (glass) */
.hero__visual{position:relative}
.hv-card{
  background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);padding:24px;position:relative;overflow:hidden;
}
.hv-card::after{content:"";position:absolute;top:-40%;right:-30%;width:60%;height:80%;background:radial-gradient(circle,var(--gold-tint),transparent 70%);pointer-events:none}
.hv-card__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.hv-card__title{font-family:var(--f-display);font-weight:700;font-size:16px;display:flex;align-items:center;gap:9px;color:var(--ink)}
.hv-live{font-family:var(--f-mono);font-size:11px;letter-spacing:.05em;color:var(--gain);display:flex;align-items:center;gap:6px}
.hv-live .dot{width:7px;height:7px;border-radius:50%;background:var(--gain);box-shadow:0 0 0 0 rgba(67,214,160,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(67,214,160,.45)}70%{box-shadow:0 0 0 7px rgba(67,214,160,0)}100%{box-shadow:0 0 0 0 rgba(67,214,160,0)}}

/* hero: incoming Telegram заявка strip */
.hv-msg{display:flex;align-items:center;gap:11px;margin-bottom:16px;padding:11px 13px;
  background:rgba(91,155,216,.10);border:1px solid rgba(91,155,216,.30);border-radius:12px}
.hv-msg__ch{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(91,155,216,.18);color:#6FB0E6;border:1px solid rgba(91,155,216,.34)}
.hv-msg__ch svg{width:17px;height:17px}
.hv-msg__body{display:flex;flex-direction:column;gap:2px;min-width:0}
.hv-msg__lbl{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:#8FC0EC}
.hv-msg__tx{font-size:13.5px;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hv-msg__dot{width:9px;height:9px;border-radius:50%;background:var(--gain);margin-left:auto;flex-shrink:0}

/* hero: Telegram заявка ⇄ amoCRM lead flip */
.hv-flip{position:relative;height:56px;margin-bottom:16px}
.hv-flip__face{position:absolute;inset:0;display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:12px;border:1px solid;will-change:opacity,transform;transition:opacity .5s ease,transform .5s ease}
.hv-flip__face--tg{background:rgba(91,155,216,.10);border-color:rgba(91,155,216,.30);opacity:1;transform:none}
.hv-flip__face--crm{background:var(--card-2);border-color:var(--line-2);opacity:0;transform:translateY(10px) scale(.98)}
.hv-flip.is-crm .hv-flip__face--tg{opacity:0;transform:translateY(-10px) scale(.98)}
.hv-flip.is-crm .hv-flip__face--crm{opacity:1;transform:none}
.hv-lead__ava{position:relative;width:34px;height:34px;border-radius:50%;flex-shrink:0;overflow:hidden;
  background:#525a68;border:1px solid rgba(255,255,255,.08)}
.hv-lead__ava::before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:11px;height:11px;border-radius:50%;background:#aab2bf}
.hv-lead__ava::after{content:"";position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:23px;height:19px;border-radius:50%;background:#aab2bf}
.hv-lead__body{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.hv-lead__t{font-size:12.5px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hv-lead__id{font-size:15px;font-weight:700;color:#6FB0E6;letter-spacing:.01em;font-variant-numeric:tabular-nums;white-space:nowrap}
.hv-lead__meta{display:flex;flex-direction:column;align-items:flex-end;gap:3px;flex-shrink:0}
.hv-lead__time{font-family:var(--f-mono);font-size:10.5px;color:var(--ink-soft);white-space:nowrap}
.hv-lead__task{font-size:12px;color:var(--gain);white-space:nowrap}
.hv-card__float{transition:box-shadow .5s ease}
.hv-card__float.glow{box-shadow:var(--shadow-lg),0 0 0 5px var(--gold-tint-2)}
@media (prefers-reduced-motion:no-preference){
  .hv-msg__dot{animation:pulse 2.2s infinite}
}
@media (prefers-reduced-motion:reduce){
  .hv-flip__face{transition:opacity .2s ease}
}

.hv-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
.hv-stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px}
.hv-stat__k{font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--ink-soft);text-transform:uppercase}
.hv-stat__v{font-family:var(--f-display);font-weight:800;font-size:28px;letter-spacing:-.02em;margin-top:6px;color:var(--ink);font-variant-numeric:tabular-nums}
.hv-stat__v small{font-size:15px;font-weight:600;color:var(--ink-soft)}
.hv-stat--gain .hv-stat__v{color:var(--gain)}

.hv-feed{border-top:1px solid var(--line);padding-top:14px}
.hv-feed__row{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.hv-feed__row:last-child{border-bottom:0}
.hv-feed__ch{width:30px;height:26px;border-radius:7px;display:grid;place-items:center;flex-shrink:0;font-family:var(--f-mono);font-size:10px;font-weight:600;border:1px solid currentColor}
.hv-feed__txt{flex:1;color:var(--ink-2)}
.hv-feed__txt b{color:var(--ink);font-weight:600}
.hv-feed__time{font-family:var(--f-mono);font-size:11.5px;color:var(--gain);background:var(--gain-tint);padding:3px 8px;border-radius:6px}
.hv-card__float{
  position:absolute;right:18px;bottom:-14px;background:var(--grad-gold);color:#1A1503;
  border-radius:14px;padding:12px 17px;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:11px;font-size:14px;font-weight:600;
}
.hv-card__float svg{width:20px;height:20px}

/* flow strip (bold hero) */
.flowstrip{display:flex;align-items:stretch;gap:0;flex-wrap:wrap;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.flowstrip__node{flex:1;min-width:140px;padding:22px;display:flex;flex-direction:column;gap:6px;position:relative;border-right:1px solid var(--line)}
.flowstrip__node:last-child{border-right:0}
.flowstrip__node .k{font-family:var(--f-mono);font-size:12px;color:var(--gold-strong);letter-spacing:.05em}
.flowstrip__node .v{font-family:var(--f-display);font-weight:700;font-size:18px;color:var(--ink)}
.flowstrip__node small{color:var(--ink-soft);font-size:13.5px}

/* ---------- Problem cards ---------- */
.problem-card{position:relative;overflow:hidden}
.problem-card .num{font-family:var(--f-mono);font-size:13px;color:var(--loss);font-weight:600;letter-spacing:.05em}
.problem-card h3{margin-top:8px}
.problem-card .cost{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:14.5px;color:var(--loss);display:flex;align-items:flex-start;gap:9px;
}
.problem-card .cost svg{width:17px;height:17px;flex-shrink:0;margin-top:2px}
/* итоговая карточка */
.problem-card--sum{background:var(--grad-gold);border-color:transparent;color:#1A1503}
.problem-card--sum .num{color:#5A4503!important}
.problem-card--sum h3{color:#1A1503!important}
.problem-card--sum p{color:rgba(26,21,3,.78)!important}
.problem-card--sum::before{display:none}

/* ---------- Calculator ---------- */
.calc{display:grid;grid-template-columns:1fr 1.05fr;gap:0;border:1px solid var(--line-2);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--card)}
.calc__inputs{padding:42px}
.calc__result{padding:42px;background:var(--grad-ink);color:var(--ink);position:relative;overflow:hidden;border-left:1px solid var(--line)}
.calc__result::before{content:"";position:absolute;top:-30%;right:-20%;width:70%;height:80%;background:radial-gradient(circle,var(--gold-tint),transparent 70%);pointer-events:none}
.calc-field{margin-bottom:26px}
.calc-field:last-child{margin-bottom:0}
.calc-field__top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.calc-field label{font-family:var(--f-display);font-weight:600;font-size:16px;color:var(--ink)}
.calc-field__val{font-family:var(--f-mono);font-weight:600;font-size:16px;color:var(--gold-strong);background:var(--gold-tint);padding:4px 11px;border-radius:8px;border:1px solid var(--gold-line)}
.calc-range{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:var(--paper-3);outline:none}
.calc-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--grad-gold);border:2px solid #1A1D26;box-shadow:0 2px 10px var(--gold-glow);cursor:pointer;transition:transform .12s}
.calc-range::-webkit-slider-thumb:hover{transform:scale(1.14)}
.calc-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--gold);border:2px solid #1A1D26;box-shadow:0 2px 10px var(--gold-glow);cursor:pointer}
.calc-hint{font-size:13.5px;color:var(--ink-soft);margin-top:9px}

.calc__result .r-label{font-family:var(--f-mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.calc__big{font-family:var(--f-head);font-weight:800;font-size:clamp(40px,5vw,62px);line-height:1;letter-spacing:-.03em;margin:14px 0 6px;font-variant-numeric:tabular-nums;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;filter:drop-shadow(0 2px 16px var(--gold-glow))}
.calc__big-sub{font-size:15px;color:var(--ink-soft);margin-bottom:30px}
.calc__period{display:inline-flex;gap:0;background:rgba(255,255,255,.06);border-radius:10px;padding:3px;margin-bottom:28px;border:1px solid var(--line)}
.calc__period button{border:0;background:transparent;color:var(--ink-soft);font-family:var(--f-mono);font-size:13px;padding:7px 15px;border-radius:7px;transition:.15s}
.calc__period button.active{background:var(--grad-gold);color:#1A1503;font-weight:600}

.leak{margin-top:6px}
.leak__row{margin-bottom:13px}
.leak__row-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px}
.leak__row-top .l{color:var(--ink-2)}
.leak__row-top .v{font-family:var(--f-mono);color:var(--gold-strong)}
.leak__bar{height:9px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.leak__fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#E06A4A,#F0A93A);transition:width .9s cubic-bezier(.3,.7,.4,1);box-shadow:0 0 12px rgba(240,121,91,.4)}
.calc__foot{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:16px}
.calc__foot p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Flow diagram ---------- */
.flow{position:relative}
.flow__track{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative;align-items:stretch}
.flow-node{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:24px 18px;text-align:center;position:relative;z-index:2;
  transition:transform .3s,box-shadow .3s,border-color .3s,background .3s;
}
.flow-node:hover{border-color:var(--line-2);transform:translateY(-2px)}
.flow-node.lit{border-color:var(--gold-line);box-shadow:var(--glow);transform:translateY(-5px);background:var(--card-2)}
.flow-node__ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin:0 auto 14px;background:rgba(255,255,255,.04);color:var(--ink-2);transition:.3s;border:1px solid var(--line)}
.flow-node.lit .flow-node__ico{background:var(--gold-tint);color:var(--gold-strong);border-color:var(--gold-line)}
.flow-node__ico svg{width:25px;height:25px}
.flow-node h4{font-family:var(--f-display);font-size:16px;font-weight:700;margin-bottom:5px;color:var(--ink)}
.flow-node p{font-size:13px;color:var(--ink-soft);line-height:1.4}
.flow-node__step{position:absolute;top:10px;left:12px;font-family:var(--f-mono);font-size:11px;color:var(--ink-soft)}
.flow__connector{position:absolute;top:50%;left:0;right:0;height:2px;background:var(--line);z-index:1}
.flow__pulse{position:absolute;top:50%;width:14px;height:14px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px var(--gold-tint),0 0 20px var(--gold);z-index:3;transform:translate(-50%,-50%);transition:left 1.1s cubic-bezier(.5,0,.5,1);opacity:0}
.flow__pulse.on{opacity:1}
.flow__caption{text-align:center;margin-top:28px;font-size:15px;color:var(--ink-2);min-height:24px}
.flow__caption b{color:var(--gold-strong);font-weight:600}

/* ---------- AI chat mockup ---------- */
.chat-wrap{display:grid;grid-template-columns:1fr .9fr;gap:36px;align-items:center}
.phone{
  width:340px;max-width:100%;margin:0 auto;background:#0A0B0E;border-radius:38px;padding:11px;
  box-shadow:var(--shadow-lg),0 0 0 1px var(--line-2);position:relative;
}
.phone__screen{background:#0D0F14;border-radius:28px;overflow:hidden;height:600px;display:flex;flex-direction:column;border:1px solid var(--line)}
.phone__bar{background:rgba(255,255,255,.03);padding:14px 18px;display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--line)}
.phone__ava{width:38px;height:38px;border-radius:50%;background:var(--grad-gold);display:grid;place-items:center;color:#1A1503}
.phone__ava svg{width:20px;height:20px}
.phone__who{flex:1}
.phone__who b{font-family:var(--f-display);font-size:15px;font-weight:700;display:block;color:var(--ink)}
.phone__who span{font-size:12px;color:var(--gain);font-family:var(--f-mono)}
.phone__src{font-family:var(--f-mono);font-size:10.5px;color:var(--ink-soft);background:rgba(255,255,255,.05);padding:4px 8px;border-radius:6px}
.chat{flex:1;padding:18px;display:flex;flex-direction:column;gap:11px;overflow:hidden}
.bubble{max-width:82%;padding:11px 14px;border-radius:16px;font-size:14.5px;line-height:1.45;opacity:0;transform:translateY(8px);animation:bubbleIn .4s forwards}
@keyframes bubbleIn{to{opacity:1;transform:translateY(0)}}
.bubble--in{align-self:flex-start;background:rgba(255,255,255,.06);border:1px solid var(--line);border-bottom-left-radius:5px;color:var(--ink)}
.bubble--out{align-self:flex-end;background:var(--gold-tint);border:1px solid var(--gold-line);border-bottom-right-radius:5px;color:var(--ink)}
.bubble__meta{font-family:var(--f-mono);font-size:10px;color:var(--ink-soft);margin-bottom:4px;letter-spacing:.03em}
.typing{display:flex;gap:4px;padding:14px 16px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:16px;border-bottom-left-radius:5px;align-self:flex-start;width:fit-content}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--ink-soft);animation:typing 1.2s infinite}
.typing span:nth-child(2){animation-delay:.18s}
.typing span:nth-child(3){animation-delay:.36s}
@keyframes typing{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

.sys-events{display:flex;flex-direction:column;gap:14px}
.sys-events__title{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}
.sys-event{
  display:flex;align-items:center;gap:13px;padding:15px 17px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);opacity:.4;transform:translateX(-6px);
  transition:opacity .4s,transform .4s,border-color .4s,box-shadow .4s;
}
.sys-event.done{opacity:1;transform:translateX(0);border-color:var(--gain);box-shadow:0 0 0 1px var(--gain),0 0 20px var(--gain-tint)}
.sys-event__ico{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.04);display:grid;place-items:center;flex-shrink:0;transition:.4s;color:var(--ink-2);border:1px solid var(--line)}
.sys-event.done .sys-event__ico{background:var(--gain-tint);color:var(--gain);border-color:var(--gain)}
.sys-event__ico svg{width:19px;height:19px}
.sys-event b{font-family:var(--f-display);font-size:15px;font-weight:700;display:block;color:var(--ink)}
.sys-event span{font-size:13px;color:var(--ink-soft)}
.sys-event__check{margin-left:auto;color:var(--gain);opacity:0;transition:opacity .4s}
.sys-event.done .sys-event__check{opacity:1}
.sys-event__check svg{width:20px;height:20px}

/* ---------- Versus ---------- */
.versus{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.versus__col{border-radius:var(--r-lg);padding:34px;border:1px solid var(--line);position:relative;overflow:hidden}
.versus__col--bad{background:var(--card)}
.versus__col--good{background:var(--grad-panel);border-color:var(--gold-line);box-shadow:0 0 40px rgba(79,141,247,.08)}
.versus__col--good::before{content:"";position:absolute;top:-30%;right:-20%;width:60%;height:70%;background:radial-gradient(circle,var(--gold-tint),transparent 70%);pointer-events:none}
.versus__tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.05em;padding:6px 12px;border-radius:999px;margin-bottom:22px}
.versus__col--bad .versus__tag{background:var(--loss-tint);color:var(--loss)}
.versus__col--good .versus__tag{background:var(--gold-tint-2);color:var(--gold-strong);border:1px solid var(--gold-line)}
.versus__col h3{font-size:24px;margin-bottom:20px;color:var(--ink)}
.vlist{list-style:none;display:flex;flex-direction:column;gap:14px}
.vlist li{display:flex;gap:12px;font-size:16px;line-height:1.45;color:var(--ink-2)}
.vlist li svg{width:21px;height:21px;flex-shrink:0;margin-top:1px}
.versus__col--bad .vlist svg{color:var(--loss)}
.versus__col--good .vlist svg{color:var(--gold-strong)}
.versus__col--good .vlist li{color:var(--ink)}

/* ---------- Before / After ---------- */
.ba{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow);user-select:none;background:var(--card)}
.ba__panel{padding:48px;min-height:440px}
.ba__after{position:absolute;inset:0;background:var(--grad-panel);clip-path:inset(0 0 0 50%);will-change:clip-path}
.ba__tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.05em;padding:6px 13px;border-radius:999px;margin-bottom:26px}
.ba__before .ba__tag{background:var(--loss-tint);color:var(--loss)}
.ba__after .ba__tag{background:var(--gold-tint-2);color:var(--gold-strong);border:1px solid var(--gold-line)}
.ba__panel h3{font-size:26px;margin-bottom:24px;color:var(--ink)}
.ba-metrics{display:flex;flex-direction:column;gap:20px;max-width:380px}
.ba-metric__top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.ba-metric__k{font-size:15px;color:var(--ink-soft)}
.ba-metric__v{font-family:var(--f-display);font-weight:800;font-size:21px;font-variant-numeric:tabular-nums;white-space:nowrap}
.ba__before .ba-metric__v{color:var(--loss)}
.ba__after .ba-metric__v{color:var(--gold-strong)}
.ba-metric__track{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.ba-metric__fill{height:100%;border-radius:999px}
.ba__before .ba-metric__fill{background:var(--loss);box-shadow:0 0 10px rgba(240,121,91,.4)}
.ba__after .ba-metric__fill{background:var(--grad-gold);box-shadow:0 0 12px var(--gold-glow)}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--gold);z-index:5;transform:translateX(-1px);cursor:ew-resize;box-shadow:0 0 14px var(--gold-glow)}
.ba__grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--grad-gold);box-shadow:0 4px 16px var(--gold-glow);display:grid;place-items:center;color:#1A1503}
.ba__grip svg{width:22px;height:22px}
.ba__hint{text-align:center;margin-top:18px;font-size:14px;color:var(--ink-soft);font-family:var(--f-mono)}

/* ---------- Stack list ---------- */
.stack-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card)}
.stack-item{display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center;padding:26px 30px;border-bottom:1px solid var(--line);transition:background .2s}
.stack-item:last-child{border-bottom:0}
.stack-item:hover{background:var(--card-2)}
.stack-item__n{font-family:var(--f-mono);font-size:13px;color:var(--gold-strong);font-weight:600}
.stack-item__ico{width:50px;height:50px;border-radius:13px;background:var(--gold-tint);color:var(--gold-strong);display:grid;place-items:center;border:1px solid var(--gold-line)}
.stack-item__ico svg{width:25px;height:25px}
.stack-item__body h4{font-family:var(--f-display);font-size:19px;font-weight:700;margin-bottom:4px;color:var(--ink)}
.stack-item__body p{font-size:15.5px;color:var(--ink-soft);line-height:1.5}
.stack-item__tag{font-family:var(--f-mono);font-size:12px;color:var(--ink-soft);border:1px solid var(--line-2);padding:5px 10px;border-radius:7px;white-space:nowrap}

/* ---------- Dashboard / case ---------- */
.dash{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.dash__card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.dash__card h4{font-family:var(--f-display);font-size:15px;font-weight:600;color:var(--ink-soft);margin-bottom:4px;display:flex;justify-content:space-between;align-items:center}
.kpi{font-family:var(--f-head);font-weight:800;font-size:clamp(28px,3vw,40px);letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums;color:var(--ink)}
.kpi small{font-size:18px;color:var(--ink-soft)}
.dash__card--lit .kpi{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.kpi-delta{font-family:var(--f-mono);font-size:13px;display:inline-flex;align-items:center;gap:5px;margin-top:10px;padding:4px 9px;border-radius:7px}
.kpi-delta.up{color:var(--gain);background:var(--gain-tint)}
.kpi-delta.down{color:var(--loss);background:var(--loss-tint)}
.kpi-delta svg{width:13px;height:13px}

.bars{display:flex;align-items:flex-end;gap:10px;height:120px;margin-top:18px}
.bars__col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.bars__bar{width:100%;border-radius:6px 6px 3px 3px;background:rgba(255,255,255,.08);min-height:4px;transition:height 1s cubic-bezier(.3,.7,.4,1);position:relative}
.bars__bar.hl{background:var(--grad-gold);box-shadow:0 0 16px var(--gold-glow)}
.bars__lbl{font-family:var(--f-mono);font-size:11px;color:var(--ink-soft)}

.linechart{margin-top:10px}
.linechart svg{width:100%;height:auto;display:block;overflow:visible}
.lc-grid{stroke:var(--line);stroke-width:1}
.lc-area{fill:url(#lcGrad)}
.lc-line{fill:none;stroke:var(--gold);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 6px var(--gold-glow))}
.lc-dot{fill:var(--bg-0);stroke:var(--gold);stroke-width:3}
.lc-lbl{font-family:var(--f-mono);font-size:11px;fill:var(--ink-soft)}

.donut-wrap{display:flex;align-items:center;gap:22px}
.donut{transform:rotate(-90deg)}
.donut circle{fill:none;stroke-width:14}
.donut__legend{display:flex;flex-direction:column;gap:11px}
.donut__legend li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
.donut__legend .sw{width:11px;height:11px;border-radius:3px;flex-shrink:0}
.donut__legend .v{margin-left:auto;font-family:var(--f-mono);font-weight:600;color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--card);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:var(--gold-line);box-shadow:0 0 26px rgba(79,141,247,.07)}
.faq-q{width:100%;display:flex;align-items:center;gap:18px;padding:24px 28px;background:transparent;border:0;text-align:left;font-family:var(--f-display);font-weight:700;font-size:19px;color:var(--ink)}
.faq-q .qmark{font-family:var(--f-mono);font-size:13px;color:var(--loss);flex-shrink:0;width:32px}
.faq-item.open .qmark{color:var(--gold-strong)}
.faq-q__txt{flex:1}
.faq-q__plus{width:26px;height:26px;flex-shrink:0;position:relative;transition:transform .3s}
.faq-item.open .faq-q__plus{transform:rotate(45deg)}
.faq-q__plus::before,.faq-q__plus::after{content:"";position:absolute;background:var(--ink-soft);border-radius:2px}
.faq-item.open .faq-q__plus::before,.faq-item.open .faq-q__plus::after{background:var(--gold-strong)}
.faq-q__plus::before{top:50%;left:4px;right:4px;height:2px;transform:translateY(-50%)}
.faq-q__plus::after{left:50%;top:4px;bottom:4px;width:2px;transform:translateX(-50%)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.3,.7,.4,1)}
.faq-a__inner{padding:0 28px 26px 78px;color:var(--ink-2);font-size:16.5px;line-height:1.6}
.faq-a__inner .tag{display:inline-flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:12px;color:var(--gain);margin-bottom:10px;letter-spacing:.04em}

/* ---------- Process / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.step{padding:30px 26px 30px 0;position:relative;border-top:2px solid var(--gold-line)}
.step__n{font-family:var(--f-mono);font-size:13px;color:var(--gold-strong);font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.step__n .dot{width:11px;height:11px;border-radius:50%;background:var(--gold);position:absolute;top:-6.5px;left:0;box-shadow:0 0 10px var(--gold-glow)}
.step h4{font-family:var(--f-display);font-size:20px;font-weight:700;margin-bottom:9px;padding-right:18px;color:var(--ink)}
.step p{font-size:15px;color:var(--ink-soft);line-height:1.5;padding-right:24px}

.expert{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
.expert__photo{aspect-ratio:4/5;border-radius:var(--r-lg);background:
  repeating-linear-gradient(135deg,var(--paper-2),var(--paper-2) 11px,var(--paper-3) 11px,var(--paper-3) 22px);
  border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden}
.expert__photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 22%}

/* ---------- Team cards ---------- */
.team{margin-top:66px}
.team__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:20px;max-width:760px;margin-top:28px}
.tm{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;transition:transform .25s,border-color .25s,box-shadow .25s}
.tm:hover{transform:translateY(-4px);border-color:var(--gold-line);box-shadow:var(--shadow)}
.tm__photo{width:78px;height:78px;border-radius:14px;overflow:hidden;flex-shrink:0;border:1px solid var(--line-2);background:var(--paper-2)}
.tm__photo img{width:100%;height:100%;object-fit:cover;object-position:center 18%}
.tm__name{font-family:var(--f-display);font-weight:700;font-size:17px;color:var(--ink);margin-bottom:5px}
.tm__role{font-size:13.5px;color:var(--ink-soft);line-height:1.45}
.placeholder-note{font-family:var(--f-mono);font-size:12.5px;color:var(--ink-2);background:var(--card);padding:8px 14px;border-radius:8px;border:1px solid var(--line-2);text-align:center;max-width:220px}
.expert__quote{font-family:var(--f-head);font-weight:700;font-size:clamp(21px,2.3vw,30px);line-height:1.28;letter-spacing:-.02em;color:var(--ink)}
.expert__sign{margin-top:28px;display:flex;align-items:center;gap:14px}
.expert__sign .ln{width:40px;height:1px;background:var(--gold-line)}
.expert__sign b{font-family:var(--f-display);font-size:16px;color:var(--ink)}
.expert__sign span{font-size:14px;color:var(--ink-soft)}
.expert__bullets{list-style:none;display:flex;flex-direction:column;gap:13px;margin-top:30px}
.expert__bullets li{display:flex;gap:11px;font-size:16px;color:var(--ink-2)}
.expert__bullets svg{width:20px;height:20px;color:var(--gold-strong);flex-shrink:0;margin-top:2px}

/* ---------- Final CTA ---------- */
.final{position:relative;overflow:hidden}
.final__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.final h2{color:var(--ink);font-size:clamp(32px,4.2vw,54px);letter-spacing:-.03em;line-height:1.04}
.final .lead{color:var(--ink-2)}
.final__list{list-style:none;display:flex;flex-direction:column;gap:13px;margin-top:30px}
.final__list li{display:flex;gap:12px;font-size:16.5px;color:var(--ink-2)}
.final__list svg{width:21px;height:21px;color:var(--gold-strong);flex-shrink:0;margin-top:1px}
.lead-form{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-lg);color:var(--ink);position:relative;overflow:hidden}
.lead-form::before{content:"";position:absolute;top:-40%;right:-20%;width:60%;height:70%;background:radial-gradient(circle,var(--gold-tint),transparent 70%);pointer-events:none}
.lead-form h3{font-size:22px;margin-bottom:6px;color:var(--ink)}
.lead-form p{font-size:14.5px;color:var(--ink-soft);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink-2)}
.field__opt{font-weight:500;color:var(--ink-soft);font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;margin-left:6px}
.field input,.field select{width:100%;padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r-sm);font-family:var(--f-body);font-size:16px;background:rgba(255,255,255,.03);color:var(--ink);transition:border-color .15s,box-shadow .15s}
.field input::placeholder{color:var(--ink-soft)}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-tint)}
.field input.invalid{border-color:var(--loss);box-shadow:0 0 0 3px var(--loss-tint)}
.channel-pick{display:flex;gap:10px}
.channel-pick label{flex:1;cursor:pointer;margin:0}
.channel-pick input{position:absolute;opacity:0;width:0;height:0}
.channel-pick .opt{display:flex;align-items:center;justify-content:center;gap:9px;padding:13px;border:1px solid var(--line-2);border-radius:var(--r-sm);font-size:15px;font-weight:600;transition:.15s;background:rgba(255,255,255,.03);color:var(--ink-2)}
.channel-pick input:checked + .opt{border-color:var(--gold);background:var(--gold-tint);color:var(--gold-strong)}
.channel-pick .opt svg{width:19px;height:19px}
.form-note{font-size:12.5px;color:var(--ink-soft);margin-top:14px;text-align:center;line-height:1.5}
.form-success{text-align:center;padding:30px 10px}
.form-success__ico{width:64px;height:64px;border-radius:50%;background:var(--gain-tint);color:var(--gain);display:grid;place-items:center;margin:0 auto 20px;border:1px solid var(--gain)}
.form-success__ico svg{width:32px;height:32px}
.form-success h3{font-size:24px;margin-bottom:10px;color:var(--ink)}
.form-success p{font-size:16px;color:var(--ink-soft)}

/* ---------- Footer ---------- */
.footer{background:var(--paper-2);border-top:1px solid var(--line);padding:56px 0 40px}
.footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.footer__col h5{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:16px}
.footer__col a{display:block;font-size:15px;color:var(--ink-2);margin-bottom:11px;transition:color .15s}
.footer__col a:hover{color:var(--gold-strong)}
.footer__brand{max-width:300px}
.footer__brand p{font-size:14.5px;color:var(--ink-soft);margin-top:16px;line-height:1.55}
.footer__legal{display:flex;flex-wrap:wrap;gap:6px 22px;padding-top:24px;margin-top:8px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft);font-family:var(--f-mono);line-height:1.5}
.footer__legal a{color:var(--ink-soft);text-decoration:none;transition:color .15s}
.footer__legal a:hover{color:var(--gold-strong)}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;margin-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-soft);font-family:var(--f-mono)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- Cookie consent ---------- */
.cookie{
  position:fixed;left:20px;right:20px;bottom:20px;z-index:300;max-width:600px;margin:0 auto;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line-2);border-radius:var(--r);padding:16px 20px;box-shadow:var(--shadow-lg);
  transform:translateY(18px);opacity:0;transition:opacity .36s ease,transform .36s ease;
}
.cookie.show{opacity:1;transform:none}
.cookie__txt{flex:1;min-width:220px;font-size:13.5px;line-height:1.5;color:var(--ink-2);margin:0}
.cookie__txt b{color:var(--gold-strong);font-weight:600}
.cookie__actions{flex-shrink:0}
@media (max-width:560px){
  .cookie{left:12px;right:12px;bottom:12px;padding:14px 16px}
  .cookie__actions,.cookie__actions .btn{width:100%}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .section{padding:90px 0}
  .hero__grid{grid-template-columns:1fr;gap:48px}
  .hero__visual{max-width:560px}
  .calc{grid-template-columns:1fr}
  .calc__result{border-left:0;border-top:1px solid var(--line)}
  .chat-wrap{grid-template-columns:1fr;gap:40px}
  .expert{grid-template-columns:1fr;gap:36px}
  .expert__photo{max-width:380px}
  .final__inner{grid-template-columns:1fr;gap:40px}
  .flow__track{grid-template-columns:repeat(3,1fr);gap:16px}
  .flow__connector,.flow__pulse{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .dash{grid-template-columns:repeat(6,1fr)}
  .nav__links{display:none}
}
@media (max-width:680px){
  body{font-size:16.5px}
  .container{padding:0 20px}
  .section{padding:68px 0}
  .h1{font-size:clamp(29px,8vw,40px)}
  .h2{font-size:clamp(25px,6.4vw,34px)}
  body[data-hero="bold"] .hero h1{font-size:clamp(33px,9vw,46px)}
  .nav__links{display:none}
  .btn{white-space:normal}
  .btn--lg{padding:16px 22px;font-size:16.5px}
  .hero__cta{flex-direction:column;align-items:stretch;gap:12px}
  .hero__cta .btn{width:100%}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .versus{grid-template-columns:1fr}
  .flow__track{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .calc__inputs,.calc__result{padding:28px}
  .ba__panel{padding:30px}
  .ba__after{clip-path:inset(0 0 0 50%)!important}
  .dash{grid-template-columns:1fr}
  .section-head{margin-bottom:40px}
  .phone__screen{height:520px}
  .stack-item{grid-template-columns:auto 1fr;gap:6px 16px;padding:22px 18px;align-items:start}
  .stack-item__n{display:none}
  .stack-item__tag{grid-column:2;justify-self:start;margin-top:10px;white-space:normal}
}

/* ---------- Feature → longread banner ---------- */
.feature-read{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;align-items:stretch;
  border:1px solid var(--gold-line);border-radius:var(--r-xl);overflow:hidden;
  background:var(--grad-panel);position:relative;box-shadow:0 0 60px rgba(79,141,247,.06);
  transition:transform .3s cubic-bezier(.3,.7,.4,1),box-shadow .3s,border-color .3s;
}
.feature-read:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg),0 0 70px rgba(79,141,247,.12);border-color:var(--gold)}
.feature-read__glow{position:absolute;top:-40%;left:-10%;width:55%;height:120%;background:radial-gradient(circle,var(--gold-tint),transparent 65%);pointer-events:none}
.feature-read__body{padding:48px;position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.feature-read__body .h2{margin:18px 0 16px;font-size:clamp(26px,3vw,40px)}
.feature-read__body .lead{max-width:30rem}
.feature-read__cta{
  margin-top:28px;display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-display);font-weight:700;font-size:16px;color:var(--gold-strong);
  padding:14px 24px;border-radius:999px;border:1px solid var(--gold-line);background:var(--gold-tint);
  transition:gap .2s,background .2s,color .2s;
}
.feature-read:hover .feature-read__cta{gap:16px;background:var(--grad-gold);color:#1A1503;border-color:transparent}
.feature-read__cta svg{width:18px;height:18px}
.feature-read__aside{
  padding:48px 44px;position:relative;z-index:1;display:flex;flex-direction:column;justify-content:center;gap:22px;
  border-left:1px solid var(--line);background:rgba(255,255,255,.015);
}
.feature-read__quote{
  font-family:var(--f-head);font-weight:700;font-size:clamp(19px,1.9vw,24px);line-height:1.3;
  letter-spacing:-.02em;color:var(--ink);padding-left:20px;border-left:3px solid var(--gold);
}
.feature-read__quote b{color:var(--gold-strong)}
.feature-read__row{display:flex;flex-wrap:wrap;gap:9px}
.feature-read__row span{font-family:var(--f-mono);font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.04);border:1px solid var(--line-2);padding:7px 13px;border-radius:999px}
@media (max-width:860px){
  .feature-read{grid-template-columns:1fr}
  .feature-read__aside{border-left:0;border-top:1px solid var(--line);padding:36px}
  .feature-read__body{padding:36px}
}

/* ---------- Quick messenger buttons ---------- */
.msg-quick{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.msg-quick__label{display:block;font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:13px;text-align:center}
.msg-quick__btns{display:flex;gap:10px}
.msg-btn{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--f-display);font-weight:700;font-size:15px;
  padding:13px 16px;border-radius:var(--r-sm);border:1px solid var(--line-2);
  background:rgba(255,255,255,.03);color:var(--ink);
  transition:transform .18s,border-color .18s,background .18s,box-shadow .18s;
}
.msg-btn svg{width:19px;height:19px}
.msg-btn--tg:hover{transform:translateY(-2px);border-color:#4EA3E0;background:rgba(78,163,224,.12);color:#7FC0EE;box-shadow:0 8px 22px rgba(78,163,224,.16)}
.msg-btn--max:hover{transform:translateY(-2px);border-color:#9B7CFC;background:rgba(155,124,252,.12);color:#B49BFD;box-shadow:0 8px 22px rgba(155,124,252,.16)}

/* ---------- Form submit states ---------- */
.btn.is-loading{opacity:.85;cursor:wait;pointer-events:none}
.btn-spinner{
  width:17px;height:17px;border-radius:50%;display:inline-block;
  border:2px solid rgba(26,21,3,.3);border-top-color:#1A1503;
  animation:btnspin .6s linear infinite;
}
@keyframes btnspin{to{transform:rotate(360deg)}}
.form-error{
  display:none;align-items:center;gap:10px;margin-top:14px;
  padding:12px 15px;border-radius:var(--r-sm);
  background:var(--loss-tint);border:1px solid rgba(240,121,91,.32);
  color:#F4A892;font-size:14.5px;line-height:1.45;
}
.form-error.show{display:flex}
.form-error svg{color:var(--loss)}

/* ---------- Ladder / С чего начать ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;align-items:stretch}
.lvl{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 30px 30px;display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.lvl::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(160deg,rgba(255,255,255,.08),transparent 42%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.lvl:hover{transform:translateY(-6px);border-color:var(--gold-line);box-shadow:var(--shadow)}
.lvl--feat{background:var(--grad-panel);border-color:var(--gold-line);box-shadow:var(--glow)}
.lvl__badge{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);white-space:nowrap;
  font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  background:var(--grad-gold);color:#1A1503;padding:5px 14px;border-radius:999px;box-shadow:0 6px 18px var(--gold-glow);
}
.lvl__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.lvl__n{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-strong)}
.lvl__depth{display:flex;gap:5px;flex-shrink:0}
.lvl__depth i{width:9px;height:9px;border-radius:50%;background:var(--line-2);display:block}
.lvl__depth i.on{background:var(--grad-gold);box-shadow:0 0 8px var(--gold-glow)}
.lvl__ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--gold-tint);color:var(--gold-strong);border:1px solid var(--gold-line);
}
.lvl__ico svg{width:23px;height:23px}
.lvl__name{font-family:var(--f-display);font-size:21px;font-weight:700;letter-spacing:-.02em;color:var(--ink);margin-bottom:10px}
.lvl__for{font-size:15px;color:var(--ink-soft);line-height:1.55;margin-bottom:24px}
.lvl__list{list-style:none;display:flex;flex-direction:column;gap:13px;margin:0 0 26px}
.lvl__list li{display:flex;gap:11px;font-size:15.5px;color:var(--ink-2);line-height:1.45}
.lvl__list svg{width:18px;height:18px;color:var(--gold-strong);flex-shrink:0;margin-top:2px}
.lvl__fit{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);line-height:1.5}
.lvl__fit b{color:var(--ink-2);font-weight:600}
.ladder-note{
  display:flex;align-items:center;gap:22px;margin-top:40px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 30px;
}
.ladder-note__ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:var(--gold-tint);color:var(--gold-strong);border:1px solid var(--gold-line);
}
.ladder-note__ico svg{width:24px;height:24px}
.ladder-note p{flex:1;font-size:16px;color:var(--ink-2);line-height:1.55;margin:0}
.ladder-note p b{color:var(--ink);font-weight:600}
.ladder-note .btn{flex-shrink:0;white-space:nowrap}
@media (max-width:920px){
  .ladder{grid-template-columns:1fr;gap:20px;margin-top:44px}
  .lvl--feat{order:-1}
  .ladder-note{flex-direction:column;text-align:center;gap:18px}
  .ladder-note__ico{margin:0 auto}
}

/* ============================================================
   Hub-and-spoke: селектор продуктов + продуктовые блоки + бургер
   (новые блоки на существующих токенах — палитра/шрифты не меняются)
   ============================================================ */

/* ---------- Product selector cards ---------- */
.prod-pick{display:flex;flex-direction:column}
.prod-pick h3{font-size:20px}
.prod-pick p{flex:1 1 auto}
.prod-pick__go{
  margin-top:20px;display:inline-flex;align-items:center;gap:7px;
  font-family:var(--f-display);font-weight:700;font-size:14.5px;color:var(--gold-strong);
}
.prod-pick__go svg{width:16px;height:16px;transition:transform .2s}
.prod-pick:hover .prod-pick__go svg{transform:translateX(4px)}

/* ---------- Combo accent card ---------- */
.prod-combo{
  margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  background:var(--grad-gold);border-radius:var(--r-lg);padding:32px 38px;color:#1A1503;
  box-shadow:0 12px 34px var(--gold-glow);transition:transform .25s cubic-bezier(.3,.7,.4,1),box-shadow .25s;
}
.prod-combo:hover{transform:translateY(-4px);box-shadow:0 18px 44px var(--gold-glow)}
.prod-combo__tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin-bottom:13px}
.prod-combo__tag svg{width:16px;height:16px}
.prod-combo h3{font-family:var(--f-head);font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.02em;color:#1A1503;margin-bottom:8px;line-height:1.1}
.prod-combo p{color:rgba(26,21,3,.8);font-size:16px;line-height:1.5;max-width:600px}
.prod-combo__go{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-display);font-weight:700;font-size:16px;white-space:nowrap;flex-shrink:0}
.prod-combo__go svg{width:18px;height:18px;transition:transform .2s}
.prod-combo:hover .prod-combo__go svg{transform:translateX(5px)}

/* ---------- Product detail block ---------- */
.prod{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.prod__text .h2{margin:16px 0 18px}
.prod__combine{
  display:flex;align-items:center;gap:10px;margin:24px 0 26px;
  font-size:14.5px;color:var(--ink-soft);line-height:1.45;
}
.prod__combine svg{width:18px;height:18px;color:var(--gold-strong);flex-shrink:0}
.prod__list{
  list-style:none;display:flex;flex-direction:column;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 32px;box-shadow:var(--shadow-sm);
}
.prod__list li{display:flex;gap:13px;font-size:16.5px;color:var(--ink-2);line-height:1.45}
.prod__list svg{width:20px;height:20px;color:var(--gold-strong);flex-shrink:0;margin-top:2px}
@media (max-width:920px){
  .prod{grid-template-columns:1fr;gap:30px}
}

/* ---------- Self-serve / DIY band ---------- */
.diy{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--gold-line);background:var(--grad-panel);
  box-shadow:0 0 60px rgba(79,141,247,.07);
  padding:54px 56px;
}
.diy__glow{position:absolute;top:-45%;right:-12%;width:55%;height:130%;background:radial-gradient(circle,var(--gold-tint),transparent 65%);pointer-events:none}
.diy__body{position:relative;z-index:1;max-width:760px}
.diy .h2{margin:16px 0 16px}
.diy .lead{max-width:660px}
.diy__chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.diy__chips span{
  font-family:var(--f-mono);font-size:12.5px;color:var(--ink-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);
  padding:7px 13px;border-radius:999px;
}
.diy__list{list-style:none;display:flex;flex-direction:column;gap:13px;margin-top:26px}
.diy__list li{display:flex;gap:12px;font-size:16.5px;color:var(--ink-2);line-height:1.45}
.diy__list svg{width:20px;height:20px;color:var(--gold-strong);flex-shrink:0;margin-top:2px}
.diy__cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:32px}
.diy__note{font-family:var(--f-mono);font-size:13px;color:var(--ink-soft)}
@media (max-width:680px){
  .diy{padding:34px 22px;border-radius:var(--r-lg)}
  .diy__cta .btn{width:100%}
  .diy__note{width:100%}
}
.combo-bridge{
  font-family:var(--f-mono);font-size:13.5px;letter-spacing:.04em;color:var(--gold-strong);
  margin-bottom:18px;display:flex;align-items:center;gap:10px;
}
.combo-bridge::before{content:"";width:24px;height:1px;background:var(--grad-gold);flex-shrink:0}

/* ---------- Mobile burger + menu ---------- */
.nav__burger{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line-2);border-radius:12px;background:rgba(255,255,255,.03);
}
.nav__burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s,opacity .2s}
.nav__burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger.open span:nth-child(2){opacity:0}
.nav__burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav__mobile{
  display:none;flex-direction:column;padding:10px 20px 22px;
  border-top:1px solid var(--line);
  background:color-mix(in srgb,var(--bg-0) 92%,transparent);
  backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);
}
.nav__mobile.open{display:flex}
.nav__mobile a{padding:14px 6px;font-size:16px;font-weight:500;color:var(--ink-2);border-bottom:1px solid var(--line)}
.nav__mobile a:last-child{border-bottom:0}
.nav__mobile a.btn{margin-top:16px;color:#1A1503;justify-content:center}
@media (max-width:1024px){
  .nav__burger{display:flex}
  .nav__cta{display:none}
  #products .grid-4{grid-template-columns:repeat(2,1fr)}
}