/* ============ MAGNET — two-pole identity ============ */
:root{
  --bg:#0a0a0c;
  --panel:#121216;
  --panel2:#17171d;
  --line:#26262e;
  --text:#f2f1ed;
  --muted:#9a99a3;
  --n:#ff3d2e;           /* north pole — red */
  --s:#4d7cfe;           /* south pole — blue */
  --n-dim:rgba(255,61,46,.14);
  --s-dim:rgba(77,124,254,.14);
  --radius:14px;
  --font-d:"Space Grotesk",sans-serif;
  --font-b:"Inter",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.logo,.stat-n,.step-n,.mock-num{font-family:var(--font-d)}
em{font-style:normal;background:linear-gradient(92deg,var(--n),var(--s));-webkit-background-clip:text;background-clip:text;color:transparent}
a{color:inherit;text-decoration:none}
::selection{background:var(--n);color:#fff}

.section-inner{max-width:1120px;margin:0 auto;padding:0 24px}
.kicker{font-family:var(--font-d);font-size:.78rem;letter-spacing:.28em;color:var(--muted);margin-bottom:18px}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(10,10,12,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:32px}
.logo{font-weight:700;font-size:1.15rem;letter-spacing:.12em}
.pole-n{color:var(--n)}.pole-s{color:var(--s)}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{font-size:.9rem;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}

/* ---------- buttons ---------- */
.btn{border:0;cursor:pointer;font-family:var(--font-d);font-weight:600;border-radius:999px;transition:transform .15s,box-shadow .2s;color:#fff}
.btn-accent{background:linear-gradient(92deg,var(--n) 0%,#ff5a3c 55%,var(--s) 160%);box-shadow:0 6px 28px rgba(255,61,46,.35)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 36px rgba(255,61,46,.5)}
.btn-small{padding:10px 20px;font-size:.85rem}
.btn-big{padding:18px 38px;font-size:1.05rem}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--muted)}

/* ---------- hero ---------- */
.hero{position:relative;padding:190px 0 110px;overflow:hidden}
.field-lines{position:absolute;inset:0;opacity:.5;pointer-events:none}
.field-lines svg{width:100%;height:100%}
.fl{stroke:var(--line)}
.fl-1{stroke:var(--n);opacity:.5;animation:pulse 6s ease-in-out infinite}
.fl-2{stroke:var(--n);opacity:.28;animation:pulse 6s 1s ease-in-out infinite}
.fl-3{opacity:.6}
.fl-4{stroke:var(--s);opacity:.25;animation:pulse 7s 2s ease-in-out infinite}
.fl-5{stroke:var(--s);opacity:.4;animation:pulse 7s 3s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.15}50%{opacity:.5}}
.hero-inner{position:relative;max-width:1120px;margin:0 auto;padding:0 24px;text-align:center}
.hero h1{font-size:clamp(2.6rem,7vw,5.2rem);line-height:1.02;letter-spacing:-.02em;font-weight:700}
.hero-sub{max-width:620px;margin:28px auto 0;color:var(--muted);font-size:1.12rem}
.hero-cta{margin-top:40px}
.cta-note{margin-top:14px;font-size:.85rem;color:var(--muted)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:90px;text-align:left}
.stat{border-top:1px solid var(--line);padding-top:18px}
.stat-n{font-size:2.2rem;font-weight:700;display:block}
.stat-unit{font-size:1.1rem;color:var(--n);margin-left:2px}
.stat-l{font-size:.85rem;color:var(--muted);display:block;margin-top:6px;max-width:260px}

/* ---------- problem ---------- */
.problem{padding:110px 0}
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.problem-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:38px}
.pole-card-n{box-shadow:inset 4px 0 0 var(--n)}
.pole-card-s{box-shadow:inset 4px 0 0 var(--s)}
.pole-tag{font-family:var(--font-d);font-size:.72rem;letter-spacing:.24em;margin-bottom:16px}
.tag-n{color:var(--n)}.tag-s{color:var(--s)}
.problem-card h3{font-size:1.6rem;margin-bottom:12px}
.problem-card p{color:var(--muted)}
.problem-punch{text-align:center;font-family:var(--font-d);font-size:clamp(1.4rem,3vw,2rem);font-weight:600;margin-top:70px}
.u-n{border-bottom:3px solid var(--n)}

/* ---------- how ---------- */
.how{padding:110px 0;background:linear-gradient(180deg,transparent,rgba(77,124,254,.04) 50%,transparent)}
.how h2{font-size:clamp(1.9rem,4.5vw,3rem);max-width:680px;letter-spacing:-.01em}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px;position:relative}
.step-n{font-size:.9rem;color:var(--n);letter-spacing:.2em;font-weight:600}
.step h3{font-size:1.35rem;margin:14px 0 10px}
.step p{color:var(--muted);font-size:.95rem}

/* ---------- features ---------- */
.features{padding:60px 0}
.feature-block{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;padding:70px 0;border-top:1px solid var(--line)}
.feature-flip .feature-text{order:2}
.feature-flip .feature-visual{order:1}
.feature-text h2{font-size:clamp(1.7rem,3.6vw,2.5rem);letter-spacing:-.01em;margin-bottom:26px}
.feature-list{list-style:none}
.feature-list li{padding:14px 0;border-bottom:1px dashed var(--line);color:var(--muted)}
.feature-list strong{color:var(--text)}

/* mockups */
.mock{background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:30px;max-width:400px;margin:0 auto;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.mock-title{font-family:var(--font-d);font-size:.72rem;letter-spacing:.26em;color:var(--muted)}
.mock-num{font-size:4.6rem;font-weight:700;line-height:1.1;background:linear-gradient(92deg,var(--n),var(--s));-webkit-background-clip:text;background-clip:text;color:transparent}
.mock-bar{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin:10px 0 22px}
.mock-bar span{display:block;height:100%;width:var(--w);background:linear-gradient(90deg,var(--n),var(--s))}
.mock-rows{display:grid;gap:10px}
.mock-row{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:8px}
.ok{color:#39d98a}.bad{color:var(--n)}
.mock-chat{display:grid;gap:14px}
.bubble{padding:13px 16px;border-radius:16px;font-size:.92rem;max-width:90%}
.bubble.them{background:var(--line);border-bottom-left-radius:4px}
.bubble.you{background:linear-gradient(120deg,rgba(255,61,46,.25),rgba(77,124,254,.25));border:1px solid rgba(255,61,46,.35);border-bottom-right-radius:4px;margin-left:auto}
.bubble.meta{background:none;color:var(--muted);font-size:.75rem;padding:0;text-align:right;max-width:100%}
.mock-suggest{border:1px dashed var(--s);border-radius:18px;padding:12px}
.suggest-label{font-family:var(--font-d);font-size:.66rem;letter-spacing:.26em;color:var(--s);margin-bottom:8px}

/* ---------- pricing ---------- */
.pricing{padding:110px 0}
.pricing-inner{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:80px 40px;position:relative;overflow:hidden}
.pricing-inner::before{content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:520px;height:240px;background:radial-gradient(ellipse,var(--n-dim),transparent 70%)}
.pricing h2{font-size:clamp(1.6rem,3.4vw,2.4rem);max-width:720px;margin:0 auto 18px;position:relative}
.pricing p{color:var(--muted);max-width:560px;margin:0 auto 34px;position:relative}

/* ---------- faq ---------- */
.faq{padding:40px 0 110px}
.faq h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:40px}
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;font-family:var(--font-d);font-size:1.1rem;font-weight:600;list-style:none;position:relative;padding-right:36px}
summary::after{content:"+";position:absolute;right:4px;top:0;color:var(--n);font-size:1.4rem;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:14px;max-width:720px}
details a{color:var(--s);text-decoration:underline}

/* ---------- final ---------- */
.final-cta{padding:60px 0 130px;text-align:center}
.final-cta h2{font-size:clamp(1.7rem,4vw,2.7rem);max-width:760px;margin:0 auto 36px;letter-spacing:-.01em}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:44px 0}
.footer-inner{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.logo-foot{font-size:1rem}
.footer-links{display:flex;gap:22px;font-size:.85rem;color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.footer-note{margin-left:auto;font-size:.8rem;color:var(--muted)}

/* ---------- quiz overlay ---------- */
.quiz{position:fixed;inset:0;z-index:100;background:rgba(6,6,8,.82);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px}
.quiz-panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;max-width:560px;width:100%;padding:44px;position:relative;max-height:92vh;overflow-y:auto}
.quiz-close{position:absolute;top:14px;right:18px;background:none;border:0;color:var(--muted);font-size:1.8rem;cursor:pointer}
.quiz-close:hover{color:var(--text)}
.quiz-progress{height:4px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:34px}
.quiz-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--n),var(--s));transition:width .3s}
.q-title{font-family:var(--font-d);font-size:1.45rem;font-weight:600;margin-bottom:26px;letter-spacing:-.01em}
.q-opts{display:grid;gap:12px}
.q-opt{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:15px 18px;text-align:left;color:var(--text);font-size:.98rem;cursor:pointer;transition:border-color .15s,transform .1s;font-family:var(--font-b)}
.q-opt:hover{border-color:var(--n);transform:translateX(3px)}
/* result */
.r-kicker{font-family:var(--font-d);font-size:.72rem;letter-spacing:.28em;color:var(--muted);text-align:center}
.r-score{font-family:var(--font-d);font-size:5.4rem;font-weight:700;text-align:center;line-height:1.1;background:linear-gradient(92deg,var(--n),var(--s));-webkit-background-clip:text;background-clip:text;color:transparent}
.r-verdict{font-family:var(--font-d);font-size:1.5rem;font-weight:600;text-align:center;margin:6px 0 14px}
.r-diag{color:var(--muted);text-align:center;margin-bottom:28px}
.r-bars{display:grid;gap:14px;margin-bottom:30px}
.r-bar-row{display:grid;gap:6px}
.r-bar-head{display:flex;justify-content:space-between;font-size:.85rem}
.r-bar-head b{font-family:var(--font-d)}
.r-bar{height:7px;background:var(--line);border-radius:99px;overflow:hidden}
.r-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--n),var(--s));width:0;transition:width .8s .2s}
.r-gate{background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:26px;text-align:center}
.r-gate h4{font-family:var(--font-d);font-size:1.15rem;margin-bottom:8px}
.r-gate p{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.r-form{display:flex;gap:10px}
.r-form input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:13px 20px;color:var(--text);font-size:.95rem;outline:none}
.r-form input:focus{border-color:var(--s)}
.r-done{color:#39d98a;font-family:var(--font-d);font-weight:600;padding:12px 0}
.r-err{color:var(--n);font-size:.85rem;margin-top:10px}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .nav-links{display:none}
  .hero{padding:150px 0 80px}
  .hero-stats{grid-template-columns:1fr;gap:26px;margin-top:60px}
  .problem-grid,.steps{grid-template-columns:1fr}
  .feature-block{grid-template-columns:1fr;gap:40px;padding:56px 0}
  .feature-flip .feature-text{order:1}
  .feature-flip .feature-visual{order:2}
  .quiz-panel{padding:32px 24px}
  .r-form{flex-direction:column}
  .footer-note{margin-left:0}
}