/* ThinkTankPro — главная */

/* ---------- Первый экран ---------- */
.hero{--d:0;position:relative;height:430vh;margin-top:calc(var(--header-h) * -1)}
.hero-stage{position:sticky;top:0;height:100vh;height:100svh;min-height:640px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding-top:var(--header-h)}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;touch-action:pan-y}
.hero-grid{position:relative;z-index:2;flex:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:32px;align-items:center;pointer-events:none}
.hero-copy{pointer-events:auto;padding-top:clamp(12px,3vh,40px)}
.hero-kicker{margin-bottom:clamp(18px,3vh,32px)}
.hero-title{font-weight:600;font-size:clamp(54px,7.4vw,124px);line-height:.9;letter-spacing:-.055em;margin-bottom:clamp(20px,3.2vh,34px)}
.fill-word{color:transparent;-webkit-text-stroke:1.5px var(--ink);background:linear-gradient(90deg,var(--ink) 0 var(--fill,0%),transparent var(--fill,0%));-webkit-background-clip:text;background-clip:text;padding:0 .04em .18em 0;margin-bottom:-.18em}
.hero-lead{margin-bottom:clamp(22px,3.4vh,36px);max-width:40ch}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px}
.hero-side{align-self:end;justify-self:end;padding-bottom:12px;pointer-events:auto}
.hero-card{width:calc(300px + 200px * var(--d));padding:14px 16px calc(14px + 6px * var(--d));border:1px solid var(--rule);border-radius:calc(4px + 10px * var(--d));background:color-mix(in srgb,var(--paper-hi) 90%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:0 calc(34px * var(--d)) calc(70px * var(--d)) calc(-44px * var(--d)) rgba(18,18,17,.5)}
.hc-top{display:flex;align-items:center;gap:6px;margin:0;font-size:12px;color:var(--ink)}
.hc-top [data-stage-num]{color:var(--signal-ink)}
.hc-dots{display:flex;gap:4px;margin-left:auto}
.hc-dots b{width:6px;height:6px;border-radius:50%;background:var(--rule);transition:background-color .3s}
.hero-card[data-stage="0"] .hc-dots b:nth-child(-n+1),.hero-card[data-stage="1"] .hc-dots b:nth-child(-n+2),.hero-card[data-stage="2"] .hc-dots b:nth-child(-n+3),.hero-card[data-stage="3"] .hc-dots b{background:var(--signal)}
.hc-short{margin:8px 0 0;font-size:calc(13.5px + 2.5px * var(--d));line-height:1.45;color:var(--ink-2)}
.hc-more{max-height:calc(var(--d) * 320px);opacity:clamp(0,calc((var(--d) - .3) * 1.7),1);overflow:hidden}
.hc-list{display:grid;gap:9px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--rule)}
.hc-list li{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px;align-items:baseline;font-size:14.5px;line-height:1.4;color:var(--ink)}
.hc-tag{justify-self:start;padding:2px 7px;border-radius:999px;font:400 10px/1.6 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.hc-tag--t{background:var(--signal-soft);color:var(--signal-ink)}
.hc-tag--s{background:var(--blue-soft);color:var(--blue)}
.hc-tag--p{background:var(--green-soft);color:var(--green)}
.hc-out{margin-top:12px;padding-top:10px;border-top:1px solid var(--rule);font-size:15px;line-height:1.35}
.hc-out .mono{display:block;margin-bottom:3px;font-size:10px;color:var(--ink-3)}
.hero-coords{position:absolute;z-index:3;left:0;top:0;display:flex;gap:10px;padding:4px 8px;border:1px solid var(--rule);background:var(--paper);font-size:10.5px;color:var(--ink-2);pointer-events:none;opacity:0;transition:opacity .25s;white-space:nowrap}
.hero-coords.is-on{opacity:1}
.hero-rail-wrap{position:relative;z-index:2;padding-bottom:clamp(18px,3.5vh,34px)}
.hero-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--rule)}
.hero-rail button{display:flex;align-items:baseline;gap:10px;width:100%;padding:16px 12px 6px 0;border:0;background:none;text-align:left;font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--ink-3);transition:color .3s}
.hero-rail button b{font-family:var(--font-mono);font-weight:400;font-size:11.5px;letter-spacing:.06em;color:inherit}
.hero-rail button:hover{color:var(--ink)}
.hero-rail button[aria-pressed="true"]{color:var(--ink)}
.hero-rail button[aria-pressed="true"] b{color:var(--signal-ink)}
.hero-progress{position:absolute;left:var(--gutter);right:var(--gutter);top:0;height:2px;pointer-events:none}
.hero-progress i{display:block;height:100%;width:100%;background:var(--signal);transform-origin:0 50%;transform:scaleX(var(--hp,0))}
.hero-cue{position:absolute;right:var(--gutter);bottom:clamp(2px,1vh,10px);display:flex;align-items:center;gap:10px;font-size:11px;color:var(--ink-3);transition:opacity .4s}
.hero-cue span{position:relative;width:1px;height:14px;background:var(--rule);overflow:hidden}
.hero-cue span::after{content:"";position:absolute;left:0;top:-50%;width:1px;height:50%;background:var(--signal);animation:cue 1.8s var(--ease) infinite}
@keyframes cue{to{top:110%}}
.hero.is-scrolled .hero-cue{opacity:0}

/* ---------- Направления ---------- */
.dirs{padding-top:clamp(72px,10vw,140px)}
.dir-rail{display:flex;gap:14px;height:clamp(600px,78vh,780px)}
.dir{--accent:var(--signal);position:relative;flex:1 1 0;min-width:0;display:flex;flex-direction:column;border:1px solid var(--rule);border-radius:20px;background:var(--paper-hi);overflow:hidden;transition:flex-grow .8s var(--ease-out),border-color .3s,box-shadow .4s,opacity .9s var(--ease-out) var(--d,0s),transform 1s var(--ease-out) var(--d,0s)}
.dir.is-active{flex-grow:2.3;border-color:color-mix(in srgb,var(--accent) 55%,var(--rule));box-shadow:0 30px 60px -40px rgba(18,18,17,.35)}
.dir-visual{position:relative;flex:1;min-height:180px;border-bottom:1px solid var(--rule-2);background:linear-gradient(var(--grid-line) 1px,transparent 1px) 0 0/22px 22px,linear-gradient(90deg,var(--grid-line) 1px,transparent 1px) 0 0/22px 22px}
.dir-canvas{position:absolute;inset:0;width:100%;height:100%}
.dir-visual-cap{position:absolute;left:16px;bottom:12px;font-size:10.5px;color:var(--ink-3);opacity:0;transition:opacity .5s}
.dir.is-active .dir-visual-cap{opacity:1}
.dir-body{position:relative;padding:22px 26px 26px;display:flex;flex-direction:column;gap:12px;min-height:250px}
.dir-num{font-size:11px;color:var(--accent);filter:saturate(1.1) brightness(.85)}
.dir-title{font-size:clamp(26px,2.4vw,40px);font-weight:600;line-height:1;letter-spacing:-.04em}
.dir-text{font-size:15.5px;line-height:1.5;color:var(--ink-2);max-width:52ch}
.dir-list{display:flex;flex-wrap:wrap;gap:6px}
.dir-list li{padding:5px 10px;border:1px solid var(--rule);border-radius:999px;font-size:13px;color:var(--ink-2);background:var(--paper)}
.dir-cta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:auto;padding-top:6px}
.dir .dir-text,.dir .dir-list,.dir .dir-cta{transition:opacity .5s var(--ease-out),transform .6s var(--ease-out)}
@media (min-width:1001px){
  .dir:not(.is-active) .dir-text,.dir:not(.is-active) .dir-list,.dir:not(.is-active) .dir-cta{opacity:0;transform:translateY(10px)}
  .dir:not(.is-active) .dir-title{font-size:clamp(24px,2vw,32px)}
  .dir-body{height:clamp(300px,36vh,340px);flex:none}
}
.dir:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--rule))}

/* ---------- Порядок работы ---------- */
.proc{overflow:hidden}
.proc .h-m{color:var(--on-dark)}
.proc-board{position:relative}
.proc-track{position:absolute;left:9px;right:0;top:10px;height:1.5px;background:var(--rule-dark)}
.proc-track i{position:absolute;inset:-0.5px 0;background:var(--signal);transform-origin:0 50%;transform:scaleX(var(--pp,0))}
.proc-steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.proc-step{position:relative;padding-top:44px}
.proc-dot{position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:50%;border:1.5px solid var(--on-dark-2);background:var(--dark);transition:background-color .4s,border-color .4s,box-shadow .4s}
.proc-step.is-lit .proc-dot{background:var(--signal);border-color:var(--signal);box-shadow:0 0 0 6px rgba(255,79,20,.18)}
.proc-n{display:block;color:var(--on-dark-2);font-size:11.5px;margin-bottom:14px}
.proc-step h3{margin-bottom:12px}
.proc-step p{color:var(--on-dark-2);font-size:15.5px;line-height:1.55}
.proc-out{margin-top:18px;padding-top:14px;border-top:1px dashed var(--rule-dark);color:var(--on-dark)!important}
.proc-out .mono{display:block;font-size:10.5px;color:var(--signal);margin-bottom:6px}

/* ---------- Опыт ---------- */
.exp{padding-bottom:clamp(100px,12vw,170px)}

/* ---------- С чего начать ---------- */
.start{border-top:1px solid var(--rule)}
.start-console{display:grid;grid-template-columns:minmax(300px,400px) minmax(0,1fr);gap:clamp(28px,5vw,88px);align-items:start;padding:clamp(22px,3vw,36px);border:1px solid var(--rule);border-radius:24px;background:var(--paper-hi);box-shadow:0 40px 80px -60px rgba(18,18,17,.4)}
.knob-field{position:relative;margin:0;padding:0;border:0;min-width:0}
.knob{position:relative;width:min(100%,246px);aspect-ratio:1;margin:100px auto 8px;touch-action:none;cursor:grab;user-select:none}
.knob.is-drag{cursor:grabbing}
.knob-scale{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.knob-ticks line{stroke:var(--ink-3);stroke-width:1}
.knob-ticks line.major{stroke:var(--ink);stroke-width:2}
.knob-ticks line.lit{stroke:var(--signal);stroke-width:2}
.knob-body{--rot:-42deg;position:absolute;inset:16%;border-radius:50%;background:radial-gradient(circle at 34% 28%,#fff 0,var(--paper-hi) 32%,var(--paper-lo) 100%);border:1px solid var(--rule);box-shadow:inset 0 -10px 24px rgba(18,18,17,.08),0 18px 30px -12px rgba(18,18,17,.35),0 2px 0 rgba(255,255,255,.8);transform:rotate(var(--rot));transition:transform .7s var(--ease-spring)}
.knob.is-drag .knob-body{transition:none}
.knob-pointer{position:absolute;left:calc(50% - 3px);top:9%;width:6px;height:26%;border-radius:3px;background:var(--signal);box-shadow:0 0 12px rgba(255,79,20,.45)}
.knob-grip{position:absolute;inset:22%;border-radius:50%;background:repeating-conic-gradient(from 0deg,rgba(18,18,17,.07) 0 3deg,transparent 3deg 9deg);border:1px solid var(--rule-2)}
html.is-blueprint .knob-body{background:transparent;box-shadow:none;border-color:var(--ink)}
.knob-options{position:absolute;inset:0;pointer-events:none}
.knob-opt{position:absolute;left:50%;top:0;pointer-events:auto;transform:translate(-50%,0);cursor:pointer}
.knob-opt input{position:absolute;opacity:0;pointer-events:none}
.knob-opt span{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 8px;border-radius:8px;font-size:13.5px;font-weight:600;line-height:1.15;text-align:center;color:var(--ink-3);max-width:124px;transition:color .3s,background-color .3s}
.knob-opt b{font-weight:400;font-size:10.5px;letter-spacing:.08em}
.knob-opt input:checked+span{color:var(--ink)}
.knob-opt input:checked+span b{color:var(--signal-ink)}
.knob-opt input:focus-visible+span{outline:2px solid var(--signal);outline-offset:2px}
.knob-opt:hover span{color:var(--ink)}
.start-panel{position:relative;min-height:290px;max-width:560px}
.start-card{display:flex;flex-direction:column;gap:14px;animation:cardIn .6s var(--ease-out)}
.start-card[hidden]{display:none}
.start-card-k{font-size:11px;color:var(--signal-ink)}
.start-card p:not(.start-card-k){color:var(--ink-2);font-size:15.5px}
.start-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:8px}
@keyframes cardIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- Контакты ---------- */
.contacts{border-top:1px solid var(--rule)}
.contacts-head{display:grid;gap:0;margin-bottom:clamp(32px,5vw,64px);max-width:760px}
.contacts .kicker{margin-bottom:20px}
.contacts .lead{margin-top:24px}
.contacts-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:clamp(20px,3vw,40px);align-items:start}
.reach-card{padding:clamp(24px,3vw,40px);border:1px solid var(--rule);border-radius:24px;background:var(--paper-hi);box-shadow:0 40px 80px -64px rgba(18,18,17,.5)}
.reach-k{display:block;font-size:11px;color:var(--ink-3)}
.reach-name{margin-top:14px;font-size:clamp(28px,3.2vw,44px);font-weight:600;letter-spacing:-.04em;line-height:1.05}
.reach-role{margin-top:6px;color:var(--ink-2);font-size:16px}
.reach-phone{margin-top:22px;font-size:clamp(24px,2.7vw,36px);font-weight:600;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.reach-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.reach-mailbox{margin-top:30px;padding-top:24px;border-top:1px solid var(--rule)}
.reach-mail{display:inline-flex;align-items:baseline;gap:10px;margin-top:10px;font-size:clamp(20px,2.1vw,28px);font-weight:600;letter-spacing:-.03em;line-height:1.2;text-decoration:none;overflow-wrap:anywhere;background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:3px;transition:color .2s}
.reach-mail .arr{font-size:.8em;transition:transform .4s var(--ease-out)}
.reach-mail:hover,.reach-mail:focus-visible{color:var(--signal-ink)}
.reach-mail:hover .arr{transform:translate(3px,-3px)}
.reach-note{margin-top:10px;color:var(--ink-2);font-size:14.5px;max-width:42ch}
.reach-quiz{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;margin-top:18px;color:var(--ink-2);font-size:14.5px}
.contacts-form .ttp-lead{margin-top:0}

/* ---------- Адаптив ---------- */
@media (max-width:1000px){
  .dir-rail{flex-direction:column;height:auto}
  .dir{flex:none}
  .dir.is-active{flex-grow:0}
  .dir-visual{height:220px;flex:none}
  .dir-visual-cap{opacity:1}
  .proc-steps{grid-template-columns:1fr 1fr;row-gap:44px}
  .proc-track{display:none}
  .contacts-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .hero{height:auto;margin-top:0}
  .hero-stage{position:relative;height:auto;min-height:0;padding-top:28px;justify-content:flex-start}
  .hero{--d:1}
  .hero-grid{display:contents}
  .hero-copy{order:1;padding-inline:var(--gutter)}
  .hero-canvas{position:relative;order:2;inset:auto;height:min(96vw,520px);margin-top:12px}
  .hero-side{order:3;justify-self:stretch;align-self:stretch;padding:0 var(--gutter);margin-top:-10px}
  .hero-card{width:auto;max-width:560px}
  .hero-rail-wrap{order:4;margin-top:18px}
  .hero-rail{grid-template-columns:1fr 1fr}
  .hero-rail button{padding:12px 8px 12px 0;font-size:14px}
  .hero-cue{display:none}
  .hero-coords{display:none}
}
@media (max-width:760px){
  .start-console{grid-template-columns:1fr;justify-items:center}
  .knob{width:min(240px,66vw);margin:8px auto 0}
  .knob-options{position:static;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-top:18px}
  .knob-opt{position:static;transform:none}
  .knob-opt span{white-space:normal;padding:8px 4px;border:1px solid var(--rule);border-radius:10px;height:100%;justify-content:center}
  .knob-opt input:checked+span{border-color:var(--ink)}
  .start-panel{min-height:0;width:100%}
  .proc-steps{grid-template-columns:1fr}
  .proc-step{padding-top:0;padding-left:40px}
  .proc-dot{top:4px}
  .proc-steps::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:1.5px;background:var(--rule-dark)}
  .reach-actions .btn{flex:1 1 auto}
}
@media (max-width:420px){
  .knob-opt span{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  .hero{height:auto}
  .hero-stage{position:relative;min-height:100svh}
  .fill-word{--fill:100%!important}
  .hero-cue{display:none}
}