/* ===== NalogIQ — design system ===== */
:root{
  --navy-900:#0A1628;
  --navy-800:#0E1E38;
  --navy-700:#13294B;
  --ink:#0B1F3A;
  --teal:#14B8A6;
  --teal-bright:#22D3B7;
  --blue:#2563EB;
  --emerald:#10B981;
  --gold:#F5B841;
  --gold-soft:#FCD34D;
  --paper:#F6F9FC;
  --white:#FFFFFF;
  --muted:#5B6B82;
  --muted-2:#8A9AB0;
  --line:rgba(15,42,73,.10);
  --shadow-lg:0 24px 60px -24px rgba(9,25,58,.35);
  --shadow-sm:0 8px 24px -12px rgba(9,25,58,.25);
  --radius:18px;
  --radius-sm:12px;
  --grad:linear-gradient(120deg,var(--teal-bright),var(--blue));
  --grad-gold:linear-gradient(120deg,var(--gold),var(--gold-soft));
  --font:'Inter',-apple-system,BlinkMacSystemFont,'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(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{width:min(1160px,92vw);margin-inline:auto}

/* ===== Buttons ===== */
.btn{
  --pad:14px 24px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:var(--pad);border-radius:999px;font-weight:600;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px -10px rgba(37,99,235,.6)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(37,99,235,.7)}
.btn--ghost{background:rgba(255,255,255,.6);border-color:var(--line);color:var(--ink);backdrop-filter:blur(8px)}
.btn--ghost:hover{background:#fff;transform:translateY(-2px)}
.btn--sm{--pad:10px 18px;font-size:14px}
.btn--lg{--pad:18px 34px;font-size:17px}
.btn--block{width:100%}

/* ===== Glass ===== */
.glass{
  background:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(14px);
  border-radius:var(--radius);
}

/* ===== Nav ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,249,252,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:23px;letter-spacing:-.02em}
.brand__mark{display:grid;place-items:center}
.brand__mark svg{border-radius:12px;filter:drop-shadow(0 8px 18px rgba(37,99,235,.4))}
.footer__logo{display:inline-flex;align-items:center;gap:10px}
.footer__brand .brand__text{font-size:21px}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:500;color:var(--muted)}
.nav__links a{transition:.2s}
.nav__links a:hover{color:var(--ink)}
.nav .btn{margin-left:8px}

/* ===== Hero ===== */
.hero{position:relative;padding:76px 0 64px;overflow:hidden}
.hero__glow{
  position:absolute;inset:-30% -10% auto;height:640px;z-index:0;
  background:
    radial-gradient(420px 320px at 78% 18%,rgba(34,211,183,.28),transparent 60%),
    radial-gradient(520px 380px at 18% 8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(360px 300px at 60% 60%,rgba(245,184,65,.14),transparent 60%);
  filter:blur(6px);
}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(20,184,166,.1);border:1px solid rgba(20,184,166,.25);color:#0C7C6E;font-size:13px;font-weight:600}
.badge__dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(20,184,166,0)}}
.hero__title{font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.03em;font-weight:800;margin:20px 0 18px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:18px;color:var(--muted);max-width:540px}
.hero__sub b{color:var(--ink)}
.hero__cta{display:flex;gap:14px;margin:30px 0 26px;flex-wrap:wrap}
.hero__trust{display:flex;gap:32px}
.trust__item{display:flex;flex-direction:column}
.trust__item b{font-size:22px;font-weight:800;color:var(--ink)}
.trust__item span{font-size:13px;color:var(--muted-2)}

/* Hero preview card */
.hero__card{position:relative}
.card-preview{padding:24px}
.card-preview::before{content:"";position:absolute;inset:-14px;z-index:-1;background:var(--grad);opacity:.12;filter:blur(26px);border-radius:30px}
.cp__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.cp__title{font-weight:700}
.cp__pill{font-size:11px;padding:3px 10px;border-radius:999px;background:rgba(245,184,65,.18);color:#9A6B00;font-weight:600}
.cp__row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);margin-top:12px}
.cp__row b{font-size:15px}
.warn{color:#E0791B}
.ok{color:var(--emerald)}
.cp__bar{height:8px;border-radius:99px;background:rgba(15,42,73,.08);margin-top:6px;overflow:hidden}
.cp__bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#F59E0B,#E0791B)}
.cp__bar i.ok{background:linear-gradient(90deg,var(--teal),var(--emerald))}
.cp__list{margin:18px 0;display:grid;gap:9px}
.cp__li{display:flex;align-items:center;gap:9px;font-size:14px}
.check{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:rgba(16,185,129,.15);color:var(--emerald);font-size:11px;font-weight:800}
.cp__foot{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line)}
.cp__foot span{font-size:13px;color:var(--muted)}
.grad-num{font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Strip ===== */
.strip{padding:14px 0 6px;text-align:center}
.strip p{font-size:13px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.strip__items{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px}
.strip__items span{font-weight:700;color:#93A2B7;font-size:16px;letter-spacing:.02em}

/* ===== Sections ===== */
.section{padding:88px 0}
.section--alt{background:linear-gradient(180deg,#EEF3F9,#F6F9FC)}
.section__head{text-align:center;max-width:680px;margin:0 auto 48px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.eyebrow--light{color:var(--teal-bright)}
.section h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.02em;font-weight:800;line-height:1.1}
.section__lead{color:var(--muted);font-size:17px;margin-top:14px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{padding:30px;position:relative}
.step__num{font-size:15px;font-weight:800;color:var(--teal);letter-spacing:.05em}
.step h3{margin:14px 0 8px;font-size:20px}
.step p{color:var(--muted);font-size:15px}

/* Features grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{padding:28px;transition:.3s}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature__ico{width:52px;height:52px;display:grid;place-items:center;font-size:26px;border-radius:14px;background:var(--grad);box-shadow:0 10px 22px -10px rgba(37,99,235,.5)}
.feature h3{margin:16px 0 8px;font-size:19px}
.feature p{color:var(--muted);font-size:15px}

/* ===== Calculator ===== */
.calc{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.calc__intro{position:sticky;top:96px}
.calc__intro h2{margin-bottom:12px}
.ticks{list-style:none;margin-top:22px;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px;color:var(--ink);font-weight:500}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:rgba(16,185,129,.15);color:var(--emerald);font-size:12px;font-weight:800}
.calc__form{padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--wide{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field input,.field select{
  padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;font-size:15px;font-family:inherit;color:var(--ink);transition:.2s;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.14)}
.calc__form .btn{grid-column:1/-1;margin-top:4px}
.calc__note{grid-column:1/-1;font-size:12px;color:var(--muted-2);text-align:center}

/* Result */
.calc__result{grid-column:1/-1;padding:30px;margin-top:8px}
.result__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.result__head h3{font-size:22px}
.link{background:none;border:none;color:var(--teal);cursor:pointer;font-size:14px;font-weight:600;font-family:inherit}
.result__kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}
.kpi{padding:18px;border-radius:var(--radius-sm);background:rgba(15,42,73,.03);border:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.kpi span{font-size:13px;color:var(--muted)}
.kpi b{font-size:26px;font-weight:800}
.kpi--hero{background:linear-gradient(135deg,rgba(34,211,183,.12),rgba(37,99,235,.1));border-color:rgba(37,99,235,.2)}
.result__recos h4{font-size:16px;margin-bottom:14px}
.result__recos ul{list-style:none;display:grid;gap:12px}
.result__recos li{display:flex;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line);font-size:15px}
.result__recos li b{color:var(--emerald)}
.reco__ico{flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(20,184,166,.14);color:var(--teal);font-weight:800}
.result__disc{margin-top:22px;font-size:13px;color:var(--muted);background:rgba(245,184,65,.08);border:1px solid rgba(245,184,65,.25);border-radius:var(--radius-sm);padding:14px 16px}

/* ===== Legal (dark) ===== */
.section--dark{background:linear-gradient(160deg,var(--navy-900),var(--navy-700));color:#EAF1FB}
.legal{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.legal h2{color:#fff}
.legal>.legal__copy>p{color:#A9BAD4;font-size:17px;margin-top:16px}
.legal__points{display:grid;gap:18px;margin-top:28px}
.lp{display:flex;gap:14px}
.lp__ico{font-size:24px;flex-shrink:0}
.lp b{color:#fff}
.lp p{color:#93A6C6;font-size:14px;margin-top:3px}
.legal__quote{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);padding:32px}
.legal__quote p{font-size:20px;font-weight:600;line-height:1.4;color:#EAF1FB}
.legal__quote span{display:block;margin-top:16px;color:var(--teal-bright);font-size:14px;font-weight:600}

/* ===== Pricing ===== */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.price{padding:30px;position:relative;transition:.3s}
.price:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price--pop{border:2px solid var(--teal);box-shadow:0 24px 50px -20px rgba(20,184,166,.4)}
.price__tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px}
.price h3{font-size:19px}
.price__num{font-size:38px;font-weight:800;margin:12px 0 2px;letter-spacing:-.02em}
.price__num span{font-size:16px;font-weight:600;color:var(--muted-2)}
.price__per{font-size:13px;color:var(--muted-2)}
.price ul{list-style:none;margin:22px 0;display:grid;gap:11px}
.price li{position:relative;padding-left:26px;font-size:15px;color:var(--muted)}
.price li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}

/* ===== FAQ ===== */
.faq__list{display:grid;gap:14px;max-width:780px;margin:0 auto}
.faq__item{padding:4px 24px}
.faq__item summary{cursor:pointer;list-style:none;padding:20px 0;font-weight:600;font-size:17px;display:flex;justify-content:space-between;align-items:center}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-size:24px;color:var(--teal);transition:.2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--muted);padding:0 0 20px;font-size:15px}

/* ===== CTA ===== */
.cta{padding:20px 0 90px}
.cta__inner{text-align:center;padding:56px 24px;background:linear-gradient(140deg,var(--navy-800),var(--navy-700));border:none;color:#fff;box-shadow:var(--shadow-lg)}
.cta__inner h2{font-size:clamp(26px,3.4vw,36px);color:#fff}
.cta__inner p{color:#A9BAD4;margin:14px 0 28px;font-size:17px}

/* ===== Footer ===== */
.footer{background:var(--navy-900);color:#9FB1CC;padding:56px 0 28px}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__brand .brand__text{color:#fff;font-size:20px;font-weight:800}
.footer__brand p{margin-top:12px;font-size:14px;max-width:360px}
.footer__cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.footer__cols b{color:#fff;display:block;margin-bottom:12px;font-size:14px}
.footer__cols a{display:block;font-size:14px;margin-bottom:9px;transition:.2s}
.footer__cols a:hover{color:#fff}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;font-size:12.5px;color:#6E82A1;flex-wrap:wrap}

/* ===== Nav active + inner pages ===== */
.nav__links a.is-active{color:var(--ink);font-weight:600}
.nav__links a.is-active::after{content:"";display:block;height:2px;border-radius:2px;background:var(--grad);margin-top:3px}
.pagehead{padding:64px 0 8px;text-align:center;position:relative}
.pagehead h1{font-size:clamp(30px,4.4vw,46px);letter-spacing:-.02em;font-weight:800;margin:12px 0 10px}
.pagehead .section__lead{max-width:640px;margin:0 auto}
.section--pt0{padding-top:36px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.center-cta{text-align:center;margin-top:40px}

/* Value cards (home) */
.value-card{padding:28px;display:block;transition:.3s;color:inherit}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.value-card h3{margin:16px 0 8px;font-size:19px}
.value-card p{color:var(--muted);font-size:15px}
.value-card__link{display:inline-block;margin-top:14px;color:var(--teal);font-weight:600;font-size:14px}

.calc__hint-block{margin-top:22px;font-size:13px;color:var(--muted);background:rgba(37,99,235,.06);border:1px solid rgba(37,99,235,.18);border-radius:var(--radius-sm);padding:14px 16px}
.calc__hint-block code{background:rgba(15,42,73,.08);padding:1px 6px;border-radius:6px;font-size:12px}

/* ===== AI box ===== */
.ai-box{margin:8px 0 4px;border:1px solid rgba(37,99,235,.22);border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,rgba(34,211,183,.06),rgba(37,99,235,.05))}
.ai-box__head{padding:16px 22px;border-bottom:1px solid rgba(37,99,235,.16);background:rgba(255,255,255,.4)}
.ai-box__title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.ai-box__ico{font-size:20px}
.ai-badge{font-size:11px;font-weight:700;color:#fff;background:var(--grad);padding:3px 10px;border-radius:999px}
.ai-box__body{padding:20px 22px;font-size:15px;color:var(--ink)}
.ai-box__body h3{font-size:16px;margin:16px 0 8px}
.ai-box__body h4{font-size:15px;margin:16px 0 8px;color:var(--blue)}
.ai-box__body h3:first-child,.ai-box__body h4:first-child{margin-top:0}
.ai-box__body p{color:var(--muted);margin-bottom:8px}
.ai-box__body ul{list-style:none;display:grid;gap:8px;margin:6px 0 12px}
.ai-box__body li{position:relative;padding-left:22px;color:var(--muted)}
.ai-box__body li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.ai-box__body b{color:var(--ink)}
.ai-note{color:var(--muted);background:rgba(245,184,65,.08);border:1px solid rgba(245,184,65,.25);border-radius:var(--radius-sm);padding:14px 16px;font-size:14px}
.ai-note code{background:rgba(15,42,73,.08);padding:1px 6px;border-radius:6px;font-size:12px}
.ai-loading{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px}
.ai-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:aiblink 1.2s infinite both}
.ai-dot:nth-child(2){animation-delay:.2s}.ai-dot:nth-child(3){animation-delay:.4s;margin-right:8px}
@keyframes aiblink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* ===== Form toggles ===== */
.hint{color:var(--muted-2);font-weight:400;font-size:12px}
.toggles{flex-direction:row;flex-wrap:wrap;gap:18px 28px;margin-top:2px}
.switch{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px;color:var(--ink)}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch__box{width:42px;height:24px;border-radius:99px;background:rgba(15,42,73,.15);position:relative;transition:.25s;flex-shrink:0}
.switch__box::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.25s;box-shadow:0 2px 4px rgba(0,0,0,.2)}
.switch input:checked + .switch__box{background:var(--teal)}
.switch input:checked + .switch__box::after{transform:translateX(18px)}
.switch input:focus-visible + .switch__box{box-shadow:0 0 0 4px rgba(20,184,166,.25)}

/* ===== Result table ===== */
.result__table{margin:6px 0 26px}
.result__table h4{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.opt-badge{font-size:12px;font-weight:700;color:var(--emerald);background:rgba(16,185,129,.12);padding:4px 12px;border-radius:999px}
.table-wrap{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--line)}
#regimeTable{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
#regimeTable th,#regimeTable td{padding:13px 16px;text-align:left}
#regimeTable th{background:rgba(15,42,73,.04);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
#regimeTable td{border-top:1px solid var(--line)}
#regimeTable td b{font-size:14.5px}
.cell-note{font-size:12px;color:var(--muted-2);margin-top:2px}
.row-best{background:linear-gradient(90deg,rgba(20,184,166,.1),rgba(37,99,235,.06))}
.row-best td{border-top-color:rgba(20,184,166,.3)}
.row-off{opacity:.55}
.tag{font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;white-space:nowrap}
.tag--best{background:var(--grad);color:#fff}
.tag--cur{background:rgba(245,184,65,.2);color:#9A6B00}
.tag--off{background:rgba(15,42,73,.08);color:var(--muted)}

/* ===== Reveal animation ===== */
[data-reveal]{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.16,1,.3,1)}
[data-reveal].in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:920px){
  .nav__links{display:none}
  .hero__inner,.calc,.legal,.footer__inner{grid-template-columns:1fr}
  .steps,.grid,.prices,.result__kpis{grid-template-columns:1fr}
  .calc__intro{position:static}
  .hero__card{order:-1}
  .section{padding:60px 0}
}
@media (max-width:560px){
  .calc__form{grid-template-columns:1fr}
  .hero__trust{gap:20px;flex-wrap:wrap}
  .footer__bottom{flex-direction:column;gap:8px}
}