/* ============================================================
   Vojtěch Malátek — vojtechmalatek.cz
   Design tokens per brand system: near-monochrome ink/paper base,
   one flat accent (#4FB3AA) used identically in light and dark,
   Space Grotesk (headings) + Inter (body). No gradients, no glow.
   ============================================================ */

:root{
  --ink:          #1a1a1a;
  --paper:        #fdfcfa;
  --paper-raised: #f5f2ec;
  --muted:        #6b6560;
  --line:         #e4ded4;

  --ink-dark:          #f2efe9;
  --paper-dark:        #1b1a17;
  --paper-raised-dark: #232019;
  --muted-dark:        #a39e97;
  --line-dark:         #34302a;

  --accent:          #4FB3AA;
  --accent-contrast: #fdfcfa;

  --radius-sm: 0px;
  --radius-md: 4px;
  --radius-lg: 12px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 32px;
  --space-4: 64px;

  --sans: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 1160px;
  --ease: cubic-bezier(.22,.9,.32,1);
}

/* ---------------------------------------------------------- reset */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font: inherit; cursor:pointer; }
h1,h2,h3,h4{
  font-family: var(--sans);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 .5em;
  color: var(--ink);
}
p{ margin: 0 0 1em; color: var(--muted); }
:focus-visible{ outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  display:flex; align-items:center;
  gap: 10px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.eyebrow::before{
  content:"";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  flex: 0 0 auto;
}
.eyebrow.light{ color: var(--accent); }

.accent-text{ color: var(--accent); }

[data-reveal]{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-visible{ opacity: 1; transform: none; }

/* ---------------------------------------------------------- buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: .01em;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 14px 28px -16px rgba(79,179,170,.55); }

.btn-ghost-dark{
  background: transparent;
  color: var(--ink-dark);
  border-color: var(--line-dark);
}
.btn-ghost-dark:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover{ border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------------------------------------------------------- header */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(253,252,250,.86);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:11px; }
.brand-mark{ height: 42px; width:auto; }
.nav-main{
  display:flex; gap: 34px;
  font-family: var(--sans);
  font-size: 14.5px; font-weight: 500;
}
.nav-main a{
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.nav-main a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0; height:2px;
  background: var(--accent);
  transition: right .3s var(--ease);
}
.nav-main a:hover, .nav-main a[aria-current="page"]{ color: var(--ink); }
.nav-main a:hover::after, .nav-main a[aria-current="page"]::after{ right:0; }

.header-right{ display:flex; align-items:center; gap: 22px; }
.social-row{ display:flex; gap:14px; }
.social-row svg{ width:17px; height:17px; }
.social-row a{ color: var(--muted); transition: color .2s, transform .2s; }
.social-row a:hover{ color: var(--accent); transform: translateY(-1px); }

.nav-toggle{
  display:none; background:none; border:none; width:34px; height:24px;
  position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{
  content:""; position:absolute; left:0; right:0; height:2px;
  background: var(--ink); border-radius:1px; transition: transform .25s, opacity .25s;
}
.nav-toggle::before{ top:2px; }
.nav-toggle span{ top:11px; }
.nav-toggle::after{ top:20px; }

/* ---------------------------------------------------------- hero */
.hero{
  position: relative;
  background: var(--paper-dark);
  color: var(--ink-dark);
  overflow: hidden;
  padding: 108px 0 96px;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 60% at 20% 15%, #000 0%, transparent 75%);
  opacity: .6;
}
.hero .container{ position: relative; z-index:1; }
.hero-inner{ max-width: 700px; }
.hero h1{
  font-size: clamp(38px, 5.4vw, 62px);
  margin-bottom: .3em;
  color: var(--ink-dark);
}
.hero .lead{
  font-size: 18px;
  color: var(--muted-dark);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 56px; }

.signal{ width: 100%; max-width: 560px; height: auto; margin-bottom: 40px; }
.signal-line{
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 2.2s var(--ease) .3s forwards;
}
.signal circle{
  fill: var(--accent);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }
@keyframes pulse{
  0%, 100%{ opacity:.55; r:3.5; }
  50%{ opacity:1; r:5; }
}

.hero-contact{ display:flex; gap: 30px; flex-wrap: wrap; }
.hero-contact a{
  display:flex; align-items:center; gap:9px;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-dark);
  transition: color .2s;
}
.hero-contact a svg{ width:16px; height:16px; color: var(--accent); }
.hero-contact a:hover{ color: var(--ink-dark); }

/* ---------------------------------------------------------- about */
.about{ padding: 108px 0; }
.about-grid{
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 70px;
  align-items: start;
}
.profile-card{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: var(--paper-dark);
  border: 1px solid var(--line-dark);
  overflow: hidden;
  display:flex; align-items:center; justify-content:center;
}
.profile-card .mark{
  position: relative; z-index:1;
  width: 62%; max-width: 190px; height:auto;
}
.profile-caption{
  position:absolute; left:24px; right:24px; bottom:22px; z-index:1;
  display:flex; justify-content:space-between;
  font-family: var(--body);
  font-size: 11px; font-weight: 600; letter-spacing:.05em;
  color: var(--muted-dark);
}

.about-copy h2{ font-size: clamp(26px, 3.2vw, 34px); max-width: 560px; }
.about-copy > p{ max-width: 540px; margin-bottom: 40px; font-size: 16.5px; }

.service-list{ display:flex; flex-direction:column; gap: 26px; }
.service-row{ display:flex; gap: 18px; align-items:flex-start; }
.service-icon{
  flex:0 0 auto;
  width: 44px; height:44px; border-radius: var(--radius-md);
  display:flex; align-items:center; justify-content:center;
  background: var(--paper-raised);
  color: var(--accent);
  border: 1px solid var(--line);
}
.service-icon svg{ width:20px; height:20px; }
.service-row h3{ font-size: 17px; margin-bottom: 4px; }
.service-row p{ font-size: 14.5px; margin:0; }

/* ---------------------------------------------------------- services */
.services-section{ padding: 20px 0 120px; }
.section-head{ max-width: 620px; margin-bottom: 54px; }
.section-head h2{ font-size: clamp(26px, 3.2vw, 34px); }

.services-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.service-card{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  transition: transform .3s var(--ease), border-color .3s;
}
.service-card:hover{
  transform: translateY(-6px);
  border-color: var(--accent);
}
.service-card .num{
  display:inline-block;
  font-family: var(--body);
  font-size: 12.5px; font-weight: 600; letter-spacing:.06em;
  color: var(--accent);
  margin-bottom: 18px;
}
.service-card h3{ font-size: 20px; margin-bottom:10px; }
.service-card p{ font-size: 14.5px; margin:0; }

/* ---------------------------------------------------------- CTA */
.section-wrap{ padding: 0 28px 120px; }
.cta-band{
  max-width: var(--container);
  margin: 0 auto;
  background: var(--paper-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  padding: 62px 56px;
  display:flex; align-items:center; justify-content:space-between;
  gap: 40px; flex-wrap:wrap;
  position: relative;
  overflow:hidden;
  color: var(--ink-dark);
}
.cta-copy{ position:relative; z-index:1; max-width: 480px; }
.cta-copy h2{ font-size: clamp(24px, 3vw, 30px); color: var(--ink-dark); }
.cta-copy p{ color: var(--muted-dark); margin:0; }
.cta-actions{ position:relative; z-index:1; display:flex; gap:14px; flex-wrap:wrap; }

/* ---------------------------------------------------------- footer */
.site-footer{
  background: var(--paper-dark);
  color: var(--muted-dark);
  padding: 70px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-brand-mark{ height: 24px; margin-bottom: 18px; }
.footer-brand p{ font-size: 14px; max-width: 340px; color: var(--muted-dark); }
.footer-area-badge{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--body); font-size: 12.5px; font-weight: 600; letter-spacing:.03em;
  color: var(--accent); margin-top: 8px;
}
.footer-area-badge .dot{
  width:6px; height:6px; border-radius:50%;
  background: var(--accent);
}
.footer-col h4{
  font-family: var(--body); font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing:.08em; color: var(--ink-dark); margin-bottom: 16px;
}
.footer-col{ display:flex; flex-direction:column; gap:10px; font-size:14.5px; }
.footer-col a{ transition: color .2s; }
.footer-col a:hover{ color: var(--ink-dark); }

.footer-bottom{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 26px;
  font-family: var(--body); font-size: 12.5px;
  flex-wrap: wrap; gap: 16px;
}

/* ---------------------------------------------------------- contact: page hero */
.page-hero{
  position: relative;
  background: var(--paper-dark);
  color: var(--ink-dark);
  padding: 96px 0 80px;
  overflow: hidden;
}
.page-hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 60% at 20% 15%, #000 0%, transparent 75%);
  opacity: .6;
}
.page-hero .container{ position:relative; z-index:1; }
.page-hero h1{ font-size: clamp(34px, 5vw, 50px); color: var(--ink-dark); }
.page-hero .lead{ color: var(--muted-dark); max-width: 540px; font-size:17px; }

/* ---------------------------------------------------------- contact: info grid */
.contact-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: -46px;
  position: relative;
  z-index: 2;
}
.info-card{
  background: var(--paper);
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 20px 44px -28px rgba(26,26,26,.18);
}
.info-card.span-2{ grid-column: span 2; }
.info-card .ic{
  width:42px; height:42px; border-radius: var(--radius-md);
  display:flex; align-items:center; justify-content:center;
  background: var(--paper-raised); color: var(--accent);
  margin-bottom: 16px;
}
.info-card .ic svg{ width:19px; height:19px; }
.info-card h3{ font-size:16px; margin-bottom:8px; }
.info-card p{ font-size:14.5px; margin:0 0 4px; }
.info-card a{ color: var(--ink); transition: color .2s; }
.info-card a:hover{ color: var(--accent); }
.info-card strong{ color: var(--ink) !important; }

.qr-card{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; gap:14px;
}
.qr-card img{ width: 130px; height:130px; border-radius: var(--radius-md); background:#fff; padding:8px; border: 1px solid var(--line); }
.qr-card span{ font-family: var(--body); font-size:12.5px; font-weight: 500; color: var(--muted); }

/* ---------------------------------------------------------- contact form */
.contact-form-section{ padding: 20px 28px 130px; }
.form-shell{
  max-width: 700px; margin: 0 auto;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align:center;
}
.form-shell h2{ font-size: clamp(24px,3vw,30px); }
.form-shell > p{ max-width: 420px; margin: 0 auto 36px; }

.contact-form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align:left;
}
.field.full{ grid-column: 1 / -1; }
.field label{
  display:block; font-family: var(--body); font-size:12.5px; font-weight: 600;
  letter-spacing:.03em; color: var(--muted); margin-bottom:8px;
}
.field input, .field textarea{
  width:100%; padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  font-family: var(--body); font-size:15px; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder, .field textarea::placeholder{ color: var(--muted); opacity: .6; }
.field textarea{ min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus{
  outline:none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,179,170,.18);
}

.form-actions{
  grid-column: 1/-1;
  display:flex; align-items:center; gap:18px; flex-wrap:wrap;
  margin-top: 6px;
}
.form-note{ font-size:12.5px; color: var(--muted); }
.form-status{ font-size:12.5px; color: var(--accent); font-weight: 500; }

.socials-block{
  margin-top: 46px; padding-top: 34px; border-top: 1px solid var(--line);
}
.socials-block p{ font-size:13.5px; margin-bottom:14px; }
.socials-block .social-row{ justify-content:center; }
.socials-block .social-row a{ color: var(--muted); }
.socials-block .social-row a:hover{ color: var(--accent); }

/* ---------------------------------------------------------- responsive */
@media (max-width: 980px){
  .about-grid{ grid-template-columns: 1fr; }
  .profile-card{ max-width: 320px; aspect-ratio: 4/4.6; }
  .services-grid{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr 1fr; margin-top: 0; }
  .info-card.span-2{ grid-column: span 2; }
}

@media (max-width: 760px){
  .nav-main{
    position: fixed; inset: 76px 0 auto 0;
    background: rgba(253,252,250,.98);
    backdrop-filter: blur(14px);
    flex-direction: column; gap:0;
    padding: 8px 28px 20px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity:0; pointer-events:none;
    transition: opacity .25s, transform .25s;
  }
  .nav-main.is-open{ opacity:1; pointer-events:auto; transform:none; }
  .nav-main a{ padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:block; }
  .header-right .social-row{ display:none; }
  .header-right .btn-primary{ display:none; }

  .services-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; gap: 34px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .info-card.span-2{ grid-column: span 1; }
  .contact-form{ grid-template-columns: 1fr; }
  .form-shell{ padding: 36px 24px; }
  .cta-band{ padding: 42px 30px; }
  .hero{ padding: 88px 0 70px; }
  .about, .services-section{ padding: 76px 0; }
}

/* ---------------------------------------------------------- legal pages */
.legal-wrap{ padding: 70px 28px 130px; }
.legal-content{
  max-width: 100%;
  margin: 0 auto;
}
.legal-content .updated{
  font-family: var(--body);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 44px;
}
.legal-content h2{
  font-size: 21px;
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.legal-content h2:first-of-type{ margin-top: 0; padding-top:0; border-top:none; }
.legal-content h3{ font-size: 16px; margin-top: 24px; color: var(--ink); }
.legal-content p{ font-size: 15px; }
.legal-content ul{ margin: 0 0 1em; padding-left: 20px; list-style: disc; }
.legal-content li{ font-size: 15px; color: var(--muted); margin-bottom: 8px; }
.legal-content li::marker{ color: var(--accent); }
.legal-content a{ color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-content a:hover{ color: var(--ink); }
.legal-content strong{ color: var(--ink); }

.legal-table{
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 32px;
  font-size: 14px;
}
.legal-table th, .legal-table td{
  text-align: left;
  padding: 12px 14px;
  border: 1px solid var(--line);
  vertical-align: top;
}
.legal-table th{
  font-family: var(--body);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper-raised);
}
.legal-table td{ color: var(--muted); }

.legal-links{ display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.legal-links a, .legal-links button{
  background:none; border:none; padding:0;
  color: var(--muted-dark);
  font-family: var(--body); font-size: 12.5px; font-weight: 500;
  transition: color .2s;
}
.legal-links a:hover, .legal-links button:hover{ color: var(--accent); }
.legal-links span{ color: var(--muted-dark); opacity:.5; }

/* ---------------------------------------------------------- cookie banner */
.cookie-banner{
  position: fixed; left: 20px; right: 20px; bottom: 20px;
  max-width: 640px; margin: 0 auto;
  background: var(--paper-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.45);
  padding: 24px 26px;
  z-index: 300;
  display:flex; flex-direction:column; gap:16px;
  transform: translateY(140%);
  transition: transform .5s var(--ease);
}
.cookie-banner.is-visible{ transform: translateY(0); }
.cookie-banner p{ font-size: 13.5px; margin:0; color: var(--muted-dark); }
.cookie-banner a{ color: var(--accent); text-decoration: underline; }
.cookie-banner-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.cookie-banner .btn{ padding: 10px 20px; font-size: 13px; }
.cookie-banner .btn-text{
  background:none; color: var(--muted-dark); border:1px solid var(--line-dark); border-radius: var(--radius-md);
  padding:10px 20px; font-family: var(--sans); font-weight:600; font-size:13px;
  cursor:pointer;
  transition: border-color .2s, color .2s;
}
.cookie-banner .btn-text:hover{ border-color: var(--accent); color: var(--ink-dark); }

@media (max-width: 560px){
  .legal-table{ display:block; overflow-x:auto; white-space:nowrap; }
  .cookie-banner{ left:12px; right:12px; bottom:12px; padding: 20px; }
}

.hp-field{
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}
.field input:disabled, .field textarea:disabled{ opacity: .6; }