/* Riveline — riveline.digital
   Paleta: hlboká modrá, riečna modrá, obloha, hmla, zelenkastý akcent */
:root{
  --ink:#0f2a41;
  --ink-soft:#3d5e77;
  --tide:#1f6fb2;
  --tide-dark:#12405f;
  --sky:#7db9e8;
  --mist:#eaf3fb;
  --paper:#f7fbff;
  --white:#ffffff;
  --acc:#2f9e8c;
  --acc-soft:#d9f0eb;
  --line:rgba(31,111,178,.16);
  --shadow:0 18px 40px -24px rgba(15,42,65,.45);
  --shadow-soft:0 10px 26px -20px rgba(15,42,65,.5);
  --r-lg:26px;
  --r-md:16px;
  --r-sm:10px;
  --wrap:1160px;
  --font-body:"Manrope","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-disp:"Fraunces","Iowan Old Style",Georgia,serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  background-image:
    radial-gradient(1100px 620px at 12% -8%, #e2f0fd 0%, rgba(226,240,253,0) 62%),
    radial-gradient(900px 560px at 96% 6%, #e8f6f3 0%, rgba(232,246,243,0) 60%),
    radial-gradient(1200px 800px at 50% 108%, #e4eefb 0%, rgba(228,238,251,0) 65%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--tide);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--tide);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--white);padding:12px 18px;z-index:60}
.skip:focus{left:12px;top:12px}

.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.wrap.narrow{width:min(100% - 40px,820px)}

/* Typografia */
h1,h2,h3{font-family:var(--font-disp);font-weight:500;letter-spacing:-.015em;line-height:1.14;margin:0 0 14px}
h1{font-size:clamp(2.1rem,1.3rem + 3.4vw,3.7rem)}
h1 em{font-style:italic;font-weight:300;color:var(--tide)}
h2{font-size:clamp(1.6rem,1.15rem + 1.9vw,2.5rem)}
h3{font-size:1.22rem}
p{margin:0 0 14px}
.eyebrow{
  font-family:var(--font-body);font-size:.76rem;font-weight:800;letter-spacing:.18em;
  text-transform:uppercase;color:var(--tide);margin:0 0 10px;
}
.eyebrow-light{color:var(--sky)}
.section-lead{max-width:62ch;color:var(--ink-soft);margin-bottom:34px}
.lead{font-size:1.1rem;color:var(--ink-soft);max-width:56ch}

/* Tlačidlá */
.btn{
  display:inline-block;padding:14px 26px;border-radius:999px;font-weight:700;font-size:.98rem;
  border:1.5px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s;
  text-align:center;font-family:var(--font-body);
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:linear-gradient(120deg,var(--tide) 0%,#2a8fc9 100%);color:#fff;box-shadow:var(--shadow-soft)}
.btn-primary:hover{box-shadow:0 16px 30px -18px rgba(31,111,178,.9)}
.btn-outline{background:transparent;border-color:var(--tide);color:var(--tide)}
.btn-outline:hover{background:var(--mist)}
.btn-ghost{background:rgba(255,255,255,.72);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:#fff}
.btn-wide{width:100%}
.link-arrow{font-weight:700;display:inline-block;margin-top:6px}
.link-arrow::after{content:" →"}

/* Hlavička */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(247,251,255,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;margin-right:auto}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;flex:none}
.brand-text{display:flex;flex-direction:column;font-size:1.18rem;line-height:1.05;letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-top:3px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);font-size:.95rem;font-weight:600}
.nav a:hover{color:var(--tide);text-decoration:none}
.nav .nav-cta{
  background:var(--tide);color:#fff;padding:10px 20px;border-radius:999px;
}
.nav .nav-cta:hover{background:var(--tide-dark);color:#fff}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:10px 11px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;margin:3px 0;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* Hero */
.hero{padding:70px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 34px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;margin:0;padding-top:24px;border-top:1px solid var(--line)}
.hero-stats dt{font-family:var(--font-disp);font-size:1.7rem;color:var(--tide-dark);line-height:1}
.hero-stats dd{margin:6px 0 0;font-size:.85rem;color:var(--ink-soft);max-width:17ch}

.flow-card{
  margin:0;padding:24px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.96),rgba(234,243,251,.9));
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.flow-card figcaption{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px}
.flow{width:100%;height:auto}
.strm{fill:none;stroke-linecap:round;stroke-dasharray:10 14;animation:flowmove 5s linear infinite}
@keyframes flowmove{to{stroke-dashoffset:-96}}
.fl-lab{font-family:var(--font-body);font-size:11px;font-weight:700;fill:var(--ink-soft)}
.fl-lab-strong{font-size:12px;fill:var(--tide-dark)}
.fl-sum{font-family:var(--font-disp);font-size:15px;fill:var(--tide-dark)}
.fl-sum-acc{fill:var(--acc)}
.flow-note{font-size:.85rem;color:var(--ink-soft);margin:12px 0 0}

.river-rule{
  height:34px;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(125,185,232,.35), rgba(125,185,232,0) 70%);
}

/* Sekcie */
.band{padding:76px 0}
.band-tint{background:linear-gradient(180deg,rgba(234,243,251,.75),rgba(247,251,255,0))}
.band-deep{
  background:linear-gradient(140deg,#12405f 0%,#1f6fb2 65%,#2a8fc9 100%);
  color:#e9f4ff;
}
.band-deep h2{color:#fff}
.band-deep p{color:#cfe4f6}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.shot{border-radius:var(--r-lg);box-shadow:var(--shadow);width:100%;object-fit:cover;aspect-ratio:3/2}
.ticks{list-style:none;padding:0;margin:0 0 20px}
.ticks li{position:relative;padding-left:30px;margin-bottom:10px;color:var(--ink-soft)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:16px;height:8px;
  border-left:2.5px solid var(--acc);border-bottom:2.5px solid var(--acc);
  transform:rotate(-45deg);border-radius:1px;
}

/* Postup */
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps li{
  background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--shadow-soft);position:relative;
}
.step-no{font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--tide)}
.steps h3{margin:10px 0 8px;font-size:1.1rem}
.steps p{font-size:.94rem;color:var(--ink-soft);margin-bottom:8px}
.step-out{font-size:.82rem;font-weight:700;color:var(--acc);margin:0}

/* Karty služieb */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card h3{margin:18px 20px 8px}
.card p{margin:0 20px 22px;font-size:.94rem;color:var(--ink-soft)}

/* Kalkulačka */
.calc-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.calc-hint{font-size:.86rem;opacity:.85}
.calc{
  background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:28px;color:var(--ink);
  box-shadow:0 28px 60px -30px rgba(4,26,42,.8);
}
.calc-row{display:grid;grid-template-columns:1fr 128px;gap:14px;align-items:center;margin-bottom:14px}
.calc-row label{font-size:.92rem;font-weight:600}
input,select,textarea{
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:11px 13px;background:#fff;width:100%;
}
input:focus,select:focus,textarea:focus{border-color:var(--tide);outline:none;box-shadow:0 0 0 3px rgba(31,111,178,.14)}
.calc-out{margin-top:22px;border-top:1px dashed var(--line);padding-top:20px}
.out-main{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:18px}
.out-label{font-size:.85rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.out-main strong{font-family:var(--font-disp);font-size:2.1rem;color:var(--acc)}
.out-bars{display:grid;gap:9px;margin-bottom:18px}
.bar{display:grid;grid-template-columns:78px 1fr 74px;align-items:center;gap:10px;font-size:.85rem}
.bar i{display:block;height:12px;border-radius:999px;background:var(--mist);position:relative;overflow:hidden}
.bar i::after{
  content:"";position:absolute;inset:0;width:var(--w,0%);border-radius:999px;
  background:linear-gradient(90deg,var(--tide),var(--sky));transition:width .35s ease;
}
.bar-acc i::after{background:linear-gradient(90deg,#2f9e8c,#7fd3c4)}
.bar b{text-align:right;font-variant-numeric:tabular-nums}
.out-notes{list-style:none;margin:0;padding:0;font-size:.9rem;color:var(--ink-soft)}
.out-notes li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.out-notes li:last-child{border-bottom:0}
.out-notes strong{color:var(--ink)}
.calc-warn{
  margin:16px 0 0;background:#fff4e8;border:1px solid #f0cfa4;color:#8a5312;
  border-radius:var(--r-sm);padding:11px 14px;font-size:.9rem;
}

/* Cenník */
.bill-toggle{display:inline-flex;background:var(--mist);border-radius:999px;padding:5px;gap:4px;margin-bottom:30px}
.bill-btn{
  border:0;background:transparent;padding:10px 22px;border-radius:999px;cursor:pointer;
  font-family:var(--font-body);font-weight:700;font-size:.92rem;color:var(--ink-soft);
}
.bill-btn em{font-style:normal;color:var(--acc);font-size:.82rem}
.bill-btn.is-on{background:#fff;color:var(--ink);box-shadow:var(--shadow-soft)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  box-shadow:var(--shadow-soft);display:flex;flex-direction:column;height:100%;
}
.plan-top{
  border:1.5px solid var(--tide);position:relative;
  background:linear-gradient(180deg,#fff,#f4faff);box-shadow:var(--shadow);
}
.plan-flag{
  position:absolute;top:-14px;left:26px;background:var(--tide);color:#fff;
  font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
}
.plan-for{font-size:.9rem;color:var(--ink-soft);min-height:48px}
.price{font-family:var(--font-disp);font-size:2.4rem;color:var(--tide-dark);margin:6px 0 2px;line-height:1}
.price .per{font-family:var(--font-body);font-size:.9rem;font-weight:600;color:var(--ink-soft)}
.price-note{font-size:.82rem;color:var(--ink-soft);margin-bottom:18px}
.plan-list{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan-list li{position:relative;padding-left:26px;margin-bottom:9px;font-size:.94rem;color:var(--ink-soft)}
.plan-list li::before{
  content:"";position:absolute;left:2px;top:.6em;width:12px;height:6px;
  border-left:2px solid var(--tide);border-bottom:2px solid var(--tide);transform:rotate(-45deg);
}
.price-extra{margin-top:52px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px}
.ptable{width:100%;border-collapse:collapse;font-size:.95rem}
.ptable caption{caption-side:bottom;text-align:left;font-size:.82rem;color:var(--ink-soft);padding-top:12px}
.ptable th,.ptable td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line)}
.ptable th{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.ptable td:last-child{font-weight:800;color:var(--tide-dark);white-space:nowrap}
.fineprint{font-size:.85rem;color:var(--ink-soft);margin:16px 0 0}

/* Referencie */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--shadow-soft);
}
.quote blockquote{margin:0 0 20px;font-size:1rem;color:var(--ink);position:relative;padding-top:16px}
.quote blockquote::before{
  content:"";position:absolute;top:0;left:0;width:38px;height:4px;border-radius:999px;
  background:linear-gradient(90deg,var(--tide),var(--sky));
}
.quote figcaption{display:flex;align-items:center;gap:12px}
.quote figcaption img{width:46px;height:46px;border-radius:50%;object-fit:cover;flex:none}
.quote figcaption span{display:flex;flex-direction:column;font-size:.84rem;color:var(--ink-soft)}
.quote figcaption strong{color:var(--ink);font-size:.95rem}

/* FAQ */
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:4px 22px;margin-bottom:12px;box-shadow:var(--shadow-soft);
}
.faq summary{
  cursor:pointer;font-weight:700;padding:16px 30px 16px 0;position:relative;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:4px;top:24px;width:9px;height:9px;
  border-right:2px solid var(--tide);border-bottom:2px solid var(--tide);
  transform:rotate(45deg);transition:transform .2s;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq p{margin:0 0 18px;color:var(--ink-soft);font-size:.96rem}

/* Kontakt */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.contact-list{margin:26px 0 0}
.contact-list>div{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:150px 1fr;gap:14px}
.contact-list dt{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.contact-list dd{margin:0}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow)}
.form h3{margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}
.field-check{display:grid;grid-template-columns:22px 1fr;gap:10px;align-items:start;margin:20px 0 22px}
.field-check input{width:20px;height:20px;margin-top:2px}
.field-check label{font-size:.86rem;font-weight:500;color:var(--ink-soft);margin:0}
.field-check .err{grid-column:1 / -1}
.err{display:block;font-size:.82rem;color:#b4341f;margin-top:5px;min-height:1px}
.form-ok{
  margin-top:16px;background:var(--acc-soft);border:1px solid #9dd6c9;color:#14614f;
  padding:12px 15px;border-radius:var(--r-sm);font-size:.92rem;
}
input.is-bad,textarea.is-bad,select.is-bad{border-color:#d4715f;background:#fff8f7}

/* Päta */
.site-foot{background:#0f2a41;color:#c6dcee;margin-top:20px;padding:56px 0 22px}
.site-foot .brand{color:#fff}
.site-foot .brand-text em{color:#8fb6d3}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.site-foot h3{font-family:var(--font-body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:#8fb6d3;margin-bottom:14px}
.site-foot a{color:#dceaf7;font-size:.93rem}
.site-foot nav a{display:block;margin-bottom:9px}
.foot-note{font-size:.88rem;color:#9dbdd6;margin-top:16px;max-width:38ch}
.site-foot p{font-size:.9rem;color:#a9c6dd}
.foot-bar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
}
.foot-cookie{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:#dceaf7;
  border-radius:999px;padding:8px 18px;font-family:var(--font-body);font-size:.85rem;cursor:pointer;
}
.foot-cookie:hover{background:rgba(255,255,255,.1);text-decoration:none;color:#fff}
.foot-tools{display:flex;gap:10px;flex-wrap:wrap}

/* Cookies */
.cookiebar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;padding:16px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -18px 40px -30px rgba(15,42,65,.7);
}
.cookiebar-in{
  width:min(100% - 12px,var(--wrap));margin-inline:auto;
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.cookiebar p{margin:0;font-size:.9rem;flex:1 1 400px;color:var(--ink-soft)}
.cookiebar-btns{display:flex;gap:10px;flex-wrap:wrap}
.cookiebar .btn{padding:11px 20px;font-size:.9rem}

/* Právne stránky */
.legal-head{padding:56px 0 10px}
.legal{padding:10px 0 70px}
.legal-body{
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--shadow-soft);
}
.legal-body h2{font-size:1.42rem;margin-top:34px}
.legal-body h2:first-of-type{margin-top:0}
.legal-body h3{font-size:1.05rem;margin-top:22px}
.legal-body ul{padding-left:22px;color:var(--ink-soft)}
.legal-body li{margin-bottom:8px}
.legal-body p{color:var(--ink-soft)}
.legal-meta{font-size:.88rem;color:var(--ink-soft)}
.crumbs{font-size:.86rem;color:var(--ink-soft);margin-bottom:10px}
.legal-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.legal-nav a{
  font-size:.86rem;font-weight:700;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;background:rgba(255,255,255,.8);
}
.legal-nav a:hover{background:var(--mist);text-decoration:none}
.legal-nav a[aria-current="page"]{background:var(--tide);color:#fff;border-color:var(--tide)}

/* Responzivita */
@media (max-width:1000px){
  .hero-grid,.two-col,.calc-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cards,.plans,.quotes{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .two-col .shot{order:-1}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav{
    position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px;display:none;
    box-shadow:var(--shadow);
  }
  .nav.is-open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav .nav-cta{text-align:center;margin-top:12px;border-bottom:0}
}
@media (max-width:680px){
  body{font-size:16px}
  .band{padding:56px 0}
  .hero{padding:44px 0 40px}
  .steps,.cards,.plans,.quotes,.foot-grid{grid-template-columns:1fr}
  .calc-row{grid-template-columns:1fr;gap:6px}
  .contact-list>div{grid-template-columns:1fr;gap:4px}
  .legal-body{padding:26px 20px}
  .hero-stats{gap:22px}
  .price-extra{padding:22px 18px}
  .ptable,.ptable tbody,.ptable tr,.ptable td{display:block;width:100%}
  .ptable thead{display:none}
  .ptable tr{border-bottom:1px solid var(--line);padding:10px 0}
  .ptable td{border:0;padding:3px 0}
  .ptable td:first-child{font-weight:800;color:var(--ink)}
}

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