/* ============================================================
   ШифрНет — premium VPN landing
   Geist / Geist Mono · graphite-navy + blue→violet gradient
   ============================================================ */

:root{
  /* surfaces */
  --bg:#070a12;
  --bg-2:#0a0e1a;
  --surface:#0e1322;
  --surface-2:#11172a;
  --glass:rgba(255,255,255,.035);
  --glass-strong:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);

  /* text */
  --text:#eef1fb;
  --text-2:#c3cae0;
  --muted:#8f98b6;
  --faint:#5b6486;

  /* accents */
  --blue:#5b8cff;
  --violet:#a78bfa;
  --cyan:#46e3d2;
  --mint:#4fe0b0;
  --grad:linear-gradient(118deg,#5b8cff 0%,#8a7bff 55%,#b389ff 100%);
  --grad-soft:linear-gradient(118deg,rgba(91,140,255,.18),rgba(179,137,255,.18));

  /* glows */
  --glow-blue:0 0 0 1px rgba(91,140,255,.35),0 8px 40px -8px rgba(91,140,255,.55);
  --shadow-lg:0 30px 80px -30px rgba(0,0,0,.8);
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 50px -28px rgba(0,0,0,.9);

  /* layout */
  --maxw:1180px;
  --r:18px;
  --r-sm:12px;

  /* motion — driven by the Tweaks panel (0..1) */
  --motion:0.7;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Geist","Segoe UI",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
::selection{background:rgba(138,123,255,.35);color:#fff}
a{color:inherit;text-decoration:none}
.mono{font-family:"Geist Mono",ui-monospace,monospace;font-feature-settings:"ss01"}

/* ---------- background atmosphere ---------- */
.bg{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(1100px 700px at 78% -8%,rgba(91,140,255,.16),transparent 60%),
  radial-gradient(900px 600px at 12% 8%,rgba(179,137,255,.12),transparent 55%),
  radial-gradient(800px 800px at 50% 120%,rgba(70,227,210,.06),transparent 60%),
  var(--bg);
}
.bg::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);
          mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);
}
.bg__orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:calc(.5 * var(--motion) + .25)}
.bg__orb--1{width:520px;height:520px;top:-160px;right:-80px;background:radial-gradient(circle,rgba(91,140,255,.55),transparent 70%);animation:drift1 22s var(--ease) infinite alternate}
.bg__orb--2{width:460px;height:460px;top:30%;left:-140px;background:radial-gradient(circle,rgba(179,137,255,.45),transparent 70%);animation:drift2 26s var(--ease) infinite alternate}
@keyframes drift1{to{transform:translate(-60px,80px) scale(1.1)}}
@keyframes drift2{to{transform:translate(70px,-50px) scale(1.08)}}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.narrow{max-width:780px;margin:0 auto}
section{position:relative}

/* ---------- reveal on scroll (transform-only — never traps content hidden) ---------- */
.reveal{transform:translateY(16px);opacity:1;transition:transform .7s var(--ease)}
.reveal.in{transform:none}
body[data-motion="0"] .reveal{transform:none;transition:none}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:border-color .3s,background .3s,backdrop-filter .3s}
.nav.scrolled{background:rgba(8,11,20,.72);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);border-color:var(--border)}
.nav__row{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:1.12rem;letter-spacing:-.01em}
.brand__mark{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:var(--grad);box-shadow:0 6px 20px -6px rgba(91,140,255,.7)}
.brand__mark svg{width:17px;height:17px}
.nav__actions{display:flex;align-items:center;gap:18px}
.nav__status{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-2);font-weight:500}
.nav__dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(79,224,176,.18);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(79,224,176,0)}}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:600;font-size:.95rem;letter-spacing:-.01em;cursor:pointer;border:0;
  border-radius:13px;padding:.92rem 1.5rem;color:#0a0e1a;
  background:var(--grad);background-size:160% 160%;
  box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 12px 34px -12px rgba(91,140,255,.7);
  transition:transform .25s var(--ease),box-shadow .3s var(--ease),background-position .6s var(--ease)}
.btn:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 18px 44px -12px rgba(138,123,255,.85)}
.btn:active{transform:translateY(0) scale(.985)}
.btn--sm{padding:.62rem 1.1rem;font-size:.88rem;border-radius:11px}
.btn--lg{padding:1.08rem 1.9rem;font-size:1.05rem;border-radius:15px}
.btn--ghost{background:var(--glass-strong);color:var(--text);box-shadow:inset 0 0 0 1px var(--border-strong)}
.btn--ghost:hover{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px var(--border-strong)}
.btn__spin{width:17px;height:17px;border:2px solid rgba(10,14,26,.35);border-top-color:#0a0e1a;border-radius:50%;animation:spin .7s linear infinite;display:none}
.btn.loading .btn__spin{display:block}
.btn.loading .btn__ico{display:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* eyebrow pill */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.8rem;font-weight:500;
  padding:.42rem .85rem .42rem .55rem;border-radius:100px;color:var(--text-2);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(6px)}
.eyebrow b{font-weight:600;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow .tag{font-family:"Geist Mono",monospace;font-size:.68rem;letter-spacing:.04em;padding:.15rem .42rem;border-radius:6px;background:var(--grad-soft);color:var(--text)}

/* ============================================================
   HERO
   ============================================================ */
.hero{padding:64px 0 40px}
.hero__grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.4rem,4.6vw,3.7rem);line-height:1.04;font-weight:600;letter-spacing:-.03em;margin:22px 0 0}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--text-2);font-size:1.12rem;line-height:1.62;max-width:560px;margin:22px 0 30px}
.hero__cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero__cta-note{font-size:.86rem;color:var(--muted)}
.hero__note{margin-top:18px;font-size:.85rem;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
.hero__note span{display:flex;align-items:center;gap:7px}
.hero__note svg{width:15px;height:15px;color:var(--mint);flex:none}

/* ---- app mockup ---- */
.mock{position:relative}
.mock__win{position:relative;z-index:2;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,rgba(20,26,46,.96),rgba(11,15,28,.97));
  border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
  backdrop-filter:blur(8px)}
.mock__bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border)}
.mock__dots{display:flex;gap:7px}
.mock__dots i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.16)}
.mock__title{font-size:.78rem;color:var(--muted);margin-left:6px;font-weight:500}
.mock__body{padding:26px 24px 24px}
.mock__loc{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.mock__loc-l{display:flex;align-items:center;gap:12px}
.mock__flag{width:38px;height:38px;border-radius:10px;background:var(--surface-2);display:grid;place-items:center;border:1px solid var(--border);font-size:1.1rem}
.mock__loc small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.mock__loc strong{font-weight:600;font-size:.98rem}
.mock__swap{font-family:"Geist Mono",monospace;font-size:.72rem;color:var(--blue);background:var(--grad-soft);padding:.32rem .6rem;border-radius:8px;cursor:pointer}

/* connect dial */
.dial{position:relative;width:188px;height:188px;margin:6px auto 20px;display:grid;place-items:center;cursor:pointer}
.dial__ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--border)}
.dial__ring--glow{inset:-10px;border:1.5px solid rgba(91,140,255,.5);box-shadow:0 0 50px -6px rgba(91,140,255,.55),inset 0 0 40px -10px rgba(138,123,255,.6);animation:breathe calc(4s / (var(--motion) + .3)) ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.04);opacity:1}}
.dial__core{width:128px;height:128px;border-radius:50%;display:grid;place-items:center;text-align:center;
  background:radial-gradient(circle at 50% 35%,rgba(91,140,255,.28),rgba(11,15,28,.9));
  border:1px solid var(--border-strong)}
.dial__core svg{width:30px;height:30px;color:var(--blue);margin-bottom:4px}
.dial__core b{display:block;font-size:.95rem;font-weight:600}
.dial__core small{font-size:.68rem;color:var(--mint);font-family:"Geist Mono",monospace;letter-spacing:.06em}
.dial__sweep{position:absolute;inset:-10px;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0 78%,rgba(91,140,255,.55) 92%,transparent 100%);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));
          mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));
  animation:rot calc(6s / (var(--motion) + .25)) linear infinite;opacity:calc(.4 + .5*var(--motion))}
@keyframes rot{to{transform:rotate(360deg)}}

.mock__stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mstat{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:12px 13px}
.mstat small{display:block;color:var(--muted);font-size:.68rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:3px}
.mstat b{font-family:"Geist Mono",monospace;font-weight:500;font-size:.95rem}
.mstat b .u{color:var(--muted);font-size:.78rem}
.mstat--ok b{color:var(--mint)}

/* floating glass cards */
.float{position:absolute;z-index:3;background:var(--glass-strong);border:1px solid var(--border-strong);
  border-radius:14px;padding:11px 14px;backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 18px 40px -20px rgba(0,0,0,.85);display:flex;align-items:center;gap:11px}
.float svg{width:18px;height:18px}
.float small{display:block;color:var(--muted);font-size:.68rem;letter-spacing:.03em}
.float b{font-size:.82rem;font-weight:600}
.float--a{top:-22px;left:-34px;animation:floaty 7s var(--ease) infinite alternate}
.float--b{bottom:54px;right:-40px;animation:floaty 8.5s var(--ease) infinite alternate-reverse}
.float--c{bottom:-26px;left:-30px;animation:floaty 9s var(--ease) infinite alternate}
.float .ico-ok{color:var(--mint)}
.float .ico-bl{color:var(--blue)}
.float .ico-vi{color:var(--violet)}
@keyframes floaty{to{transform:translateY(calc(-12px * var(--motion)))}}
body[data-motion="0"] .float,body[data-motion="0"] .bg__orb{animation:none}
body[data-motion="0"] .dial__sweep,body[data-motion="0"] .dial__ring--glow,body[data-motion="0"] .nav__dot{animation:none}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-top:46px;background:rgba(255,255,255,.014)}
.strip__row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 38px;padding:22px 0}
.chip{display:flex;align-items:center;gap:9px;font-size:.9rem;color:var(--text-2);font-weight:500}
.chip svg{width:16px;height:16px;color:var(--blue)}
.chip .mono{color:var(--muted);font-size:.82rem}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.section{padding:96px 0}
.section__head{max-width:680px;margin:0 auto 54px;text-align:center}
.section__kicker{font-family:"Geist Mono",monospace;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.section h2{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:600;letter-spacing:-.025em;line-height:1.1}
.section__head p{color:var(--muted);font-size:1.05rem;margin-top:16px}

/* ============================================================
   TUNNEL VISUAL
   ============================================================ */
.tunnel{position:relative;border-radius:24px;border:1px solid var(--border);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,19,34,.7),rgba(8,11,20,.5));padding:48px 40px}
.tunnel__track{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;max-width:840px;margin:0 auto}
.node{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;width:128px}
.node__box{width:74px;height:74px;border-radius:18px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-card)}
.node__box svg{width:30px;height:30px;color:var(--text)}
.node--secure .node__box{background:radial-gradient(circle at 50% 30%,rgba(91,140,255,.3),var(--surface));box-shadow:var(--glow-blue)}
.node--secure .node__box svg{color:var(--blue)}
.node b{font-size:.92rem;font-weight:600}
.node small{color:var(--muted);font-size:.78rem;line-height:1.4;display:block;max-width:140px}
.pipe{position:relative;height:64px;border-radius:32px;overflow:hidden;
  background:linear-gradient(180deg,rgba(91,140,255,.07),rgba(179,137,255,.07));
  border:1px solid var(--border)}
.pipe::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,transparent 0 18px,rgba(138,123,255,.55) 18px 30px);
  -webkit-mask:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
          mask:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
  animation:flow calc(2.2s / (var(--motion)+.25)) linear infinite}
@keyframes flow{to{transform:translateX(48px)}}
.pipe__label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:"Geist Mono",monospace;font-size:.72rem;letter-spacing:.05em;color:var(--text);
  background:rgba(8,11,20,.78);padding:.4rem .85rem;border-radius:100px;border:1px solid var(--border-strong);white-space:nowrap;display:flex;align-items:center;gap:8px}
.pipe__label svg{width:13px;height:13px;color:var(--mint)}
body[data-motion="0"] .pipe::before{animation:none}
.tunnel__foot{display:flex;justify-content:center;gap:38px;flex-wrap:wrap;margin-top:36px;padding-top:28px;border-top:1px solid var(--border)}
.tfact{text-align:center}
.tfact b{display:block;font-size:1.5rem;font-weight:600;font-family:"Geist Mono",monospace;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tfact small{color:var(--muted);font-size:.82rem}

/* ============================================================
   BENEFIT CARDS
   ============================================================ */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{position:relative;background:linear-gradient(180deg,var(--glass),rgba(255,255,255,.01));
  border:1px solid var(--border);border-radius:var(--r);padding:28px 26px;overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease)}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,rgba(91,140,255,.5),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s}
.card:hover{transform:translateY(-6px);background:linear-gradient(180deg,var(--glass-strong),rgba(255,255,255,.015))}
.card:hover::after{opacity:1}
.card__ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--grad-soft);border:1px solid var(--border)}
.card__ico svg{width:22px;height:22px;color:var(--blue)}
.card h3{font-size:1.12rem;font-weight:600;letter-spacing:-.01em;margin-bottom:9px}
.card p{color:var(--muted);font-size:.94rem;line-height:1.6}
.card__n{position:absolute;top:24px;right:24px;font-family:"Geist Mono",monospace;font-size:.78rem;color:var(--faint);opacity:.5}

/* ============================================================
   STEPS
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s;margin-bottom:48px}
.step{position:relative;background:var(--glass);border:1px solid var(--border);border-radius:var(--r);padding:30px 26px}
.step__n{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-family:"Geist Mono",monospace;
  font-weight:500;font-size:1.05rem;color:#0a0e1a;background:var(--grad);margin-bottom:18px;box-shadow:0 8px 22px -10px rgba(91,140,255,.8)}
.step h3{font-size:1.08rem;font-weight:600;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem}
.step:not(:last-child)::after{content:"";position:absolute;top:50px;right:-12px;width:24px;height:1px;background:var(--border-strong);z-index:2}
.steps-cta{text-align:center}

/* ============================================================
   FAQ
   ============================================================ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--glass);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .3s,background .3s}
.faq details[open]{border-color:var(--border-strong);background:var(--glass-strong)}
.faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:1.04rem;letter-spacing:-.01em;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq__plus{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;position:relative;
  background:var(--grad-soft);transition:transform .35s var(--ease)}
.faq__plus::before,.faq__plus::after{content:"";position:absolute;background:var(--blue);border-radius:2px}
.faq__plus::before{width:12px;height:2px}
.faq__plus::after{width:2px;height:12px;transition:transform .35s var(--ease)}
.faq details[open] .faq__plus{transform:rotate(180deg)}
.faq details[open] .faq__plus::after{transform:scaleY(0)}
.faq__a{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .4s var(--ease)}
.faq details[open] .faq__a{padding:0 22px 22px;max-height:280px}
.faq__a p{color:var(--muted);font-size:.96rem;line-height:1.65}

/* ============================================================
   FINALE — install panel (asymmetric, product-grounded)
   ============================================================ */
.finale__rule{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);margin-bottom:64px}
.finale__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.finale__copy h2{font-size:clamp(2rem,3.4vw,2.85rem);font-weight:600;letter-spacing:-.028em;line-height:1.06;text-align:left}
.finale__copy p{color:var(--muted);font-size:1.05rem;line-height:1.62;margin-top:20px;max-width:420px}
.finale__meta{display:flex;flex-direction:column;gap:11px;margin-top:30px}
.finale__meta span{display:flex;align-items:center;gap:11px;font-size:.84rem;color:var(--text-2);letter-spacing:.01em}
.finale__meta i{width:5px;height:5px;border-radius:50%;background:var(--blue);flex:none;box-shadow:0 0 8px 1px rgba(91,140,255,.7)}

.install{position:relative;border-radius:20px;overflow:hidden;
  background:linear-gradient(180deg,rgba(20,26,46,.92),rgba(11,15,28,.96));
  border:1px solid var(--border-strong);box-shadow:var(--shadow-lg)}
.install::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(138,123,255,.9),transparent)}
.install__bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border)}
.install__body{padding:26px 24px 22px}
.install__head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.install__mark{width:46px;height:46px;flex:none;display:grid;place-items:center;border-radius:13px;background:var(--grad);box-shadow:0 10px 26px -10px rgba(91,140,255,.8)}
.install__mark svg{width:24px;height:24px}
.install__title b{display:block;font-size:1.04rem;font-weight:600;letter-spacing:-.01em}
.install__title small{display:block;color:var(--muted);font-size:.76rem;margin-top:3px}
.install__pb{height:6px;border-radius:100px;background:var(--surface-2);border:1px solid var(--border);overflow:hidden;margin-bottom:20px}
.install__pb span{display:block;height:100%;width:38%;border-radius:100px;background:var(--grad);box-shadow:0 0 14px rgba(91,140,255,.6);
  animation:loadbar calc(3.4s / (var(--motion)+.3)) var(--ease) infinite}
@keyframes loadbar{0%{width:8%}50%{width:72%}100%{width:8%}}
body[data-motion="0"] .install__pb span{animation:none;width:42%}
.btn--block{width:100%}
.install__foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:.82rem;color:var(--muted)}
.install__foot span:first-child{display:flex;align-items:center;gap:7px}
.install__foot svg{width:14px;height:14px;color:var(--mint)}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{border-top:1px solid var(--border);padding:42px 0;margin-top:96px}
.foot__row{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot__brand{display:flex;align-items:center;gap:11px;color:var(--text-2);font-size:.92rem}
.foot__brand .brand__mark{width:26px;height:26px}
.foot__brand .brand__mark svg{width:14px;height:14px}
.foot__nav{display:flex;gap:26px;font-size:.9rem}
.foot__nav a{color:var(--muted);transition:color .25s}
.foot__nav a:hover{color:var(--text)}

/* ============================================================
   STICKY MOBILE CTA
   ============================================================ */
.sticky-cta{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 14px 12px 18px;border-radius:16px;
  background:rgba(10,14,26,.82);backdrop-filter:blur(16px) saturate(160%);
  border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
  transform:translateY(140%);transition:transform .45s var(--ease)}
.sticky-cta.show{transform:none}
.sticky-cta b{font-size:.92rem;font-weight:600}
.sticky-cta small{display:block;color:var(--muted);font-size:.76rem}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .hero__grid{grid-template-columns:1fr;gap:64px}
  .mock{max-width:420px;margin:0 auto}
  .grid{grid-template-columns:repeat(2,1fr)}
  .finale__grid{grid-template-columns:1fr;gap:40px}
  .finale__rule{margin-bottom:48px}
}
@media(max-width:680px){
  .wrap{padding:0 20px}
  .hero{padding:40px 0 24px}
  .section{padding:64px 0}
  .nav__status{display:none}
  .grid,.steps,.tunnel__track{grid-template-columns:1fr}
  .tunnel{padding:34px 22px}
  .tunnel__track{gap:6px}
  .pipe{height:48px;margin:4px 0}
  .pipe::before{animation-direction:normal}
  .node{width:auto}
  .step:not(:last-child)::after{display:none}
  .float--a{left:-12px;top:-14px}
  .float--b{right:-10px}
  .float--c{left:8px}
  .cta{padding:48px 24px}
  .finale__copy h2{font-size:1.9rem}
  .foot__row{flex-direction:column;text-align:center}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}