/* ============================================================
   eIstra.info — Kviz funnel (Paradox Landing System)
   Brand: primary cyan #00A8D6 · CTA orange #E57A2E · ink #1F333D
   ============================================================ */
:root{
  --cyan:#00A8D6; --cyan-d:#0089AE; --cyan-soft:#E6F6FB;
  --orange:#E57A2E; --orange-d:#CC6A22;
  --ink:#1F333D; --ink-soft:#4B5E68;
  --muted:#F5F8FA; --line:#E2EAEE; --white:#fff;
  --dark:#1C3C4A;
  --radius:16px; --radius-sm:12px;
  --shadow:0 1px 2px rgba(28,60,74,.06),0 8px 30px rgba(28,60,74,.08);
  --shadow-lg:0 20px 60px rgba(28,60,74,.16);
  --maxw:1120px;
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); color:var(--ink); background:var(--white);
  line-height:1.6; font-size:17px; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  background:var(--orange);color:#fff;font-weight:800;font-size:1.06rem;
  border:none;border-radius:999px;padding:1.05rem 2rem;cursor:pointer;
  box-shadow:0 8px 22px rgba(229,122,46,.32);transition:.18s transform,.18s box-shadow,.18s background;
  font-family:inherit;letter-spacing:.01em;text-align:center;
}
.btn:hover{background:var(--orange-d);transform:translateY(-2px);box-shadow:0 12px 28px rgba(229,122,46,.4)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:1.2rem 2.4rem;font-size:1.15rem}
.btn-block{width:100%}
.micro{font-size:.92rem;color:var(--ink-soft);margin-top:.7rem}

/* ---------- topbar ---------- */
.topbar{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:40}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.topbar .logo{height:34px;width:auto}
.topbar .tel{display:inline-flex;align-items:center;gap:.45em;font-weight:700;color:var(--ink);font-size:1rem}
.topbar .tel svg{width:18px;height:18px;fill:var(--cyan)}
.topbar .tel span{color:var(--ink-soft);font-weight:600}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,var(--cyan-soft) 100%);padding:62px 0 70px;text-align:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan-d);background:#fff;border:1px solid #CBEAF3;padding:.45rem 1rem;border-radius:999px;margin-bottom:1.4rem}
.hero h1{font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.1;font-weight:800;letter-spacing:-.02em;
  max-width:18ch;margin:0 auto 1.1rem}
.hero h1 .u{color:var(--cyan)}
.hero .sub{font-size:1.16rem;color:var(--ink-soft);max-width:42ch;margin:0 auto 1.9rem}
.hero-cta{display:flex;flex-direction:column;align-items:center}

/* hero w/ inline quiz (v2) */
.hero-quiz{padding-bottom:48px}
.quiz-inline{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  max-width:560px;margin:2rem auto 0;padding:30px 26px 26px;text-align:left}
.quiz-inline .step-label{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-d);text-align:center}
.quiz-inline .q{font-size:1.4rem;font-weight:800;text-align:center;margin:.5rem 0 1.4rem;letter-spacing:-.01em}
.quiz-inline .yn{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---------- option buttons (shared inline + modal) ---------- */
.opt{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;
  background:#fff;border:2px solid var(--line);border-radius:14px;padding:1.05rem 1.25rem;
  font-family:inherit;font-size:1.05rem;font-weight:700;color:var(--ink);cursor:pointer;text-align:left;
  transition:.15s border-color,.15s background,.15s transform,.15s box-shadow}
.opt:hover{border-color:var(--cyan);background:var(--cyan-soft);transform:translateY(-1px);box-shadow:var(--shadow)}
.opt .arr{color:var(--cyan);font-weight:800;transition:transform .15s}
.opt:hover .arr{transform:translateX(4px)}

/* ---------- trust stats band ---------- */
.stats{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:42px 22px;text-align:center}
.stats .n{font-size:2.5rem;font-weight:800;color:var(--cyan);line-height:1;letter-spacing:-.02em}
.stats .l{font-size:.98rem;color:var(--ink-soft);margin-top:.5rem;font-weight:600}

/* ---------- generic block ---------- */
.block{padding:74px 0}
.block.muted{background:var(--muted)}
.block .kicker{display:block;text-align:center;font-size:.8rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--cyan-d);margin-bottom:.8rem}
.block h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:800;text-align:center;letter-spacing:-.02em;
  max-width:24ch;margin:0 auto 1rem;line-height:1.15}
.block .intro{text-align:center;color:var(--ink-soft);font-size:1.1rem;max-width:60ch;margin:0 auto 2.6rem}

/* what-is split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.split .lead{color:var(--ink-soft);font-size:1.08rem;margin-bottom:1.6rem}
.checks{list-style:none;display:grid;gap:14px}
.checks li{display:flex;align-items:flex-start;gap:12px;font-weight:700;font-size:1.05rem}
.checks li::before{content:"";flex:0 0 24px;height:24px;margin-top:1px;border-radius:50%;
  background:var(--cyan) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z"/></svg>') center/15px no-repeat}

/* google SERP mockup */
.serp{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:18px 18px 22px;max-width:460px}
.serp-bar{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;
  padding:.7rem 1rem;color:var(--ink-soft);font-size:.98rem;margin-bottom:18px}
.serp-bar svg{width:18px;height:18px;fill:#9AA;flex:0 0 auto}
.serp-res{display:flex;gap:12px;padding:12px;border-radius:12px;margin-bottom:8px}
.serp-res.win{background:var(--cyan-soft);border:1px solid #CBEAF3}
.serp-res .ico{flex:0 0 38px;height:38px;border-radius:9px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--cyan);font-size:1.1rem}
.serp-res.win .badge{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan-d)}
.serp-title{font-weight:700;color:#1a4fa0;font-size:1.02rem;line-height:1.3}
.serp-url{font-size:.82rem;color:#3a7d3a;margin:.1rem 0 .25rem}
.serp-desc{font-size:.88rem;color:var(--ink-soft)}
.serp-res.dim{opacity:.6}
.serp-res.dim .serp-title{color:#5a6b86}

/* process 3 steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.stepc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow)}
.stepc .num{font-size:1rem;font-weight:800;color:#fff;background:var(--cyan);width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem}
.stepc h3{font-size:1.22rem;font-weight:800;margin-bottom:.55rem}
.stepc p{color:var(--ink-soft);font-size:1.02rem}

/* logo wall */
.logos{padding:54px 0;background:#fff;border-top:1px solid var(--line)}
.logos .cap{text-align:center;font-size:.82rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:2rem}
.logo-grid{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:38px 52px;max-width:980px;margin:0 auto}
.logo-grid img{height:46px;width:auto;opacity:.72;filter:grayscale(100%);transition:.2s}
.logo-grid img:hover{opacity:1;filter:none}

/* dark CTA band */
.ctaband{background:linear-gradient(135deg,var(--dark) 0%,#0d2630 100%);color:#fff;text-align:center;padding:72px 0}
.ctaband h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;letter-spacing:-.02em;max-width:22ch;margin:0 auto .9rem}
.ctaband p{color:#BcD4DD;color:#B7CDD6;font-size:1.12rem;max-width:54ch;margin:0 auto 2rem}

/* footer */
footer{background:var(--muted);border-top:1px solid var(--line);padding:48px 0}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:start}
footer .logo{height:38px;margin-bottom:1rem}
footer .tag{color:var(--ink-soft);max-width:46ch;font-size:1rem}
footer .ft-h{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:.9rem}
footer .ct{display:grid;gap:.5rem;color:var(--ink-soft)}
footer .ct a{font-weight:600}
footer .copy{grid-column:1/-1;border-top:1px solid var(--line);margin-top:30px;padding-top:22px;
  color:var(--ink-soft);font-size:.9rem;text-align:center}

/* ============================================================
   QUIZ MODAL (full-screen overlay)
   ============================================================ */
.quiz-modal{position:fixed;inset:0;z-index:100;background:#fff;overflow-y:auto;display:none}
.quiz-modal.open{display:block}
body.modal-open{overflow:hidden}
.qm-top{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:2}
.qm-top .bar{display:flex;align-items:center;justify-content:space-between;height:62px;max-width:640px;margin:0 auto;padding:0 18px}
.qm-top .logo{height:32px}
.qm-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-size:1.3rem;line-height:1;transition:.15s}
.qm-close:hover{background:var(--muted);color:var(--ink)}
.qm-progress{height:4px;background:var(--line)}
.qm-progress span{display:block;height:100%;background:var(--cyan);width:20%;transition:width .35s ease}
.qm-body{max-width:560px;margin:0 auto;padding:46px 22px 70px}
.qm-step{display:none}
.qm-step.active{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.qm-label{text-align:center;font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan-d);margin-bottom:.9rem}
.qm-q{text-align:center;font-size:clamp(1.45rem,3.4vw,1.85rem);font-weight:800;letter-spacing:-.01em;line-height:1.2;margin-bottom:1.7rem}
.qm-opts{display:grid;gap:12px}
.qm-yn{grid-template-columns:1fr 1fr}
.qm-other{margin-top:6px}
.qm-input{width:100%;border:2px solid var(--line);border-radius:14px;padding:1.05rem 1.2rem;font-family:inherit;
  font-size:1.05rem;color:var(--ink);transition:.15s border-color}
.qm-input::placeholder{color:#9AAAB2}
.qm-input:focus{outline:none;border-color:var(--cyan)}
.qm-back{display:block;margin:1.6rem auto 0;background:none;border:none;color:var(--ink-soft);font-family:inherit;
  font-size:1rem;font-weight:600;cursor:pointer;padding:.4rem}
.qm-back:hover{color:var(--ink)}
.qm-microc{text-align:center;color:var(--ink-soft);font-size:.95rem;margin-top:1.3rem}

/* analyzing step */
.analyze{text-align:center;padding:30px 0}
.analyze .spin{width:54px;height:54px;border:4px solid var(--cyan-soft);border-top-color:var(--cyan);
  border-radius:50%;margin:0 auto 1.6rem;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.analyze h3{font-size:1.4rem;font-weight:800;margin-bottom:.5rem}
.analyze .azsub{color:var(--ink-soft);min-height:1.6em;margin-bottom:1.6rem}
.azbar{height:8px;background:var(--line);border-radius:999px;overflow:hidden;max-width:340px;margin:0 auto}
.azbar span{display:block;height:100%;background:var(--cyan);width:0;transition:width .5s ease}
.analyze.done .spin{display:none}

/* contact form (step 5) */
.qm-field{margin-bottom:14px}
.qm-consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:.9rem;color:var(--ink-soft)}
.qm-consent input{margin-top:3px;width:18px;height:18px;flex:0 0 auto;accent-color:var(--cyan)}
.qm-consent a{color:var(--cyan-d);text-decoration:underline}

/* success */
.qm-success{display:none;text-align:center;padding:36px 0}
.qm-success.show{display:block;animation:fade .3s ease}
.qm-success .tick{width:72px;height:72px;border-radius:50%;background:var(--cyan-soft);margin:0 auto 1.4rem;
  display:flex;align-items:center;justify-content:center}
.qm-success .tick svg{width:38px;height:38px;fill:var(--cyan)}
.qm-success h3{font-size:1.7rem;font-weight:800;margin-bottom:.7rem}
.qm-success p{color:var(--ink-soft);font-size:1.08rem;max-width:42ch;margin:0 auto 1.8rem}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .split{grid-template-columns:1fr;gap:34px}
  .serp{margin:0 auto;order:-1}
  .steps{grid-template-columns:1fr;gap:16px}
  .stats .wrap{grid-template-columns:1fr 1fr;gap:30px 18px}
  footer .wrap{grid-template-columns:1fr}
}
@media(max-width:560px){
  body{font-size:16px}
  .hero{padding:46px 0 52px}
  .block{padding:54px 0}
  .topbar .tel span{display:none}
  .logo-grid{gap:26px 36px}
  .logo-grid img{height:38px}
}