/* ==========================================================================
   Schwarzegreiss s.r.o. — Průmyslová a garážová vrata
   Design system: dark industrial / sectional-gate motif
   ========================================================================== */

:root{
  /* Color - Dark Mode Scheme */
  --ink:        #F4F5F6;   /* primární text (světlý) */
  --ink-soft:   #D2D7DC;   /* jemnější text */
  --steel:      #9AA5B1;   /* sekundární text / popisky */
  --steel-light:#626D77;   /* tlumené prvky */
  --paper:      #121518;   /* hlavní tmavé pozadí webu */
  --paper-raised:#1A1F24;  /* karty a panely */
  --line:       rgba(255,255,255,0.09);
  --line-strong:rgba(255,255,255,0.18);
  --accent:     #D9A441;   /* industriální žluto-oranžová */
  --accent-deep:#B07C22;
  --accent-ink: #14181C;   /* text na zvýrazněných tlačítkách */
  --white:      #FFFFFF;

  /* Type */
  --f-display: 'Oswald', 'Arial Narrow', sans-serif;
  --f-body:    'Work Sans', -apple-system, 'Segoe UI', sans-serif;
  --f-mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* Layout */
  --maxw: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font: inherit; }

h1,h2,h3,h4{
  font-family: var(--f-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.08;
  margin: 0 0 0.5em;
  color: var(--ink);
}
h1{ font-size: clamp(2.4rem, 5.4vw, 4.4rem); font-weight: 700; }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3{ font-size: clamp(1.15rem, 1.8vw, 1.4rem); }

p{ margin: 0 0 1em; color: var(--steel); max-width: 62ch; }
.lede{ font-size: 1.15rem; color: var(--ink-soft); }

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9em;
}
.eyebrow::before{
  content: "";
  display: block;
  width: 22px; height: 9px;
  background: repeating-linear-gradient(-45deg, var(--accent) 0 5px, #121518 5px 10px);
  flex: none;
}

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gap); }
.section{ padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section--tight{ padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section--dark{ background: #0E1012; color: var(--paper); }
.section--dark p{ color: #B7BFC5; }
.section--dark h2, .section--dark h3{ color: var(--white); }
.section--raised{ background: var(--paper-raised); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.slat-rule{
  height: 10px;
  width: 100%;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 34px, transparent 34px 40px);
  margin: 0;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9em 1.6em;
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}
.btn:hover{ transform: translateY(-1px); border-color: var(--accent); color: var(--accent); }
.btn--primary{ background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn--primary:hover{ background: var(--accent-deep); border-color: var(--accent-deep); color: var(--accent-ink); }
.btn--ghost-light{ border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn--ghost-light:hover{ border-color: var(--white); background: rgba(255,255,255,0.08); }
.btn--block{ width: 100%; justify-content: center; }
.btn[disabled]{ opacity: 0.55; cursor: not-allowed; transform: none; }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(18, 21, 24, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  height: 84px;
}
.brand{ display: flex; align-items: center; gap: 0.7rem; }
.brand-mark{ width: 34px; height: 34px; flex: none; }
.brand-text{ display: flex; flex-direction: column; line-height: 1.15; }
.brand-name{
  font-family: var(--f-display); font-weight: 700; text-transform: uppercase;
  font-size: 1.15rem; letter-spacing: 0.02em; color: var(--ink);
}
.brand-tag{ font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--steel); text-transform: uppercase; }

.nav{ display: flex; align-items: center; gap: 2.1rem; }
.nav a{
  font-family: var(--f-mono); font-size: 0.82rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--steel); position: relative; padding: 6px 0;
}
.nav a:hover, .nav a.is-active{ color: var(--accent); }
.nav a.is-active::after{
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--accent);
}
.nav-cta{ margin-left: 0.4rem; }

.nav-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 34px; background: none; border: none; cursor: pointer;
}
.nav-toggle span{ display: block; height: 2px; background: var(--ink); border-radius: 1px; }

@media (max-width: 880px){
  .nav-toggle{ display: flex; }
  .nav{
    position: fixed; inset: 84px 0 0 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 1rem var(--gap) 2rem; transform: translateX(100%);
    transition: transform 0.28s ease; overflow-y: auto;
  }
  .nav.is-open{ transform: translateX(0); }
  .nav a{ width: 100%; padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .nav-cta{ margin: 1.2rem 0 0; width: 100%; }
  .nav-cta .btn{ width: 100%; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 0;
  overflow: hidden;
}
.hero-grid{
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--gap);
  align-items: center;
}
@media (max-width: 900px){ .hero-grid{ grid-template-columns: 1fr; } }

.hero-kicker{ font-family: var(--f-mono); font-size: 0.85rem; letter-spacing: 0.1em; color: var(--steel); text-transform: uppercase; margin-bottom: 1rem; }
.hero h1{ margin-bottom: 0.5rem; }
.hero h1 em{ font-style: normal; color: var(--accent); }
.hero-lede{ font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 1.8rem; }
.hero-actions{ display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.2rem; }
.hero-points{ display: flex; flex-wrap: wrap; gap: 1.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.hero-points div{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--steel); text-transform: uppercase; letter-spacing: 0.04em; }
.hero-points strong{ display: block; font-family: var(--f-display); font-size: 1.6rem; color: var(--ink); text-transform: none; letter-spacing: 0; }

/* Sectional gate SVG panel & Interactive Hover Animation */
.gate-panel{ position: relative; }
.gate-frame{
  border: 1px solid var(--line-strong);
  background: #0D1013;
  padding: 14px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.gate-svg{ 
  display: block; 
  width: 100%; 
  height: auto; 
  overflow: hidden; 
  position: relative; 
  z-index: 2; 
  pointer-events: none; /* Ignoruje myš, aby neblokovalo tlačítko */
}
.gate-svg .slat{ transform: translateY(-100%); animation: slat-open 0.7s cubic-bezier(.2,.8,.2,1) forwards; }
.gate-svg .slat-shine{ opacity: 0; animation: fade-in 0.6s ease forwards 0.9s; }
@keyframes slat-open{ to{ transform: translateY(0); } }
@keyframes fade-in{ to{ opacity: 1; } }

@media (prefers-reduced-motion: reduce){
  .gate-svg .slat{ transform: translateY(0); animation: none; }
  .gate-svg .slat-shine{ opacity: 1; animation: none; }
}

/* Interaktivní vyjetí vrat a zobrazení tlačítka uvnitř */
.gate-cta-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  opacity: 0;
  transition: all 0.4s ease;
  z-index: 1;
  pointer-events: none; /* Ve výchozím stavu nejde kliknout, dokud jsou vrata zatažená */
}
.gate-slats-group {
  transition: transform 0.5s ease;
}
.gate-frame:hover .gate-slats-group {
  transform: translateY(-220px);
}
.gate-frame:hover .gate-cta-overlay {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto; /* Po otevření vrat se na tlačítko dá kliknout */
}

/* ---------- Cards ---------- */
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
@media (max-width: 880px){ .grid-3, .grid-2{ grid-template-columns: 1fr; } }

.card{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  padding: 2rem 1.8rem;
  position: relative;
  overflow: hidden;
}
.card::before{
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--accent); transform: scaleY(0); transform-origin: top;
  transition: transform 0.32s ease;
}
.card:hover::before{ transform: scaleY(1); }
.card-index{ font-family: var(--f-mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 1rem; display: block; }
.card h3{ margin-bottom: 0.6rem; }
.card p{ margin-bottom: 0; font-size: 0.98rem; }

/* ---------- Testimonial ---------- */
.testimonial{
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1.6rem;
  margin: 0;
}
.testimonial .stars{ font-family: var(--f-mono); color: var(--accent); letter-spacing: 0.15em; margin-bottom: 0.7rem; display: block; }
.testimonial blockquote{ margin: 0 0 1rem; font-size: 1.08rem; color: var(--ink-soft); font-style: normal; }
.testimonial cite{ font-family: var(--f-mono); font-size: 0.8rem; color: var(--steel); font-style: normal; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- Split / feature rows ---------- */
.split{ display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 900px){ .split{ grid-template-columns: 1fr; } }
.split.rev{ grid-template-columns: 1.1fr 0.9fr; }
@media (max-width: 900px){ .split.rev{ grid-template-columns: 1fr; } }

.stat-block{ display: flex; gap: clamp(1.5rem, 4vw, 3rem); flex-wrap: wrap; margin-top: 1.6rem; }
.stat strong{ display: block; font-size: 2.6rem; color: var(--accent); }
.stat span{ font-family: var(--f-mono); text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.08em; color: var(--steel); }

/* ---------- Logos / brands strip ---------- */
.brand-strip{ display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.4rem; }
.brand-chip{
  font-family: var(--f-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em;
  border: 1px solid var(--line-strong); padding: 0.5em 0.9em; color: var(--steel); background: #181D22;
}

/* ---------- Process steps ---------- */
.steps{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
@media (max-width: 880px){ .steps{ grid-template-columns: 1fr; } }
.step{ border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 2rem 1.7rem; background: var(--paper-raised); }
.step-num{ font-family: var(--f-mono); font-size: 0.78rem; color: var(--accent); letter-spacing: 0.1em; display: block; margin-bottom: 0.9rem; }

/* ---------- Service list rows (sluzby.html) ---------- */
.svc-row{
  display: grid; grid-template-columns: 220px 1fr; gap: 2rem;
  padding: 2.4rem 0; border-top: 1px solid var(--line);
}
.svc-row:last-child{ border-bottom: 1px solid var(--line); }
@media (max-width: 760px){ .svc-row{ grid-template-columns: 1fr; gap: 0.7rem; } }
.svc-num{ font-family: var(--f-mono); font-size: 0.85rem; color: var(--accent); }
.svc-title{ font-family: var(--f-display); text-transform: uppercase; font-size: 1.5rem; margin: 0; }
.svc-list{ margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.svc-list li{ font-size: 0.96rem; color: var(--steel); padding-left: 1.3rem; position: relative; }
.svc-list li::before{ content: "—"; position: absolute; left: 0; color: var(--accent); }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--paper-raised); color: var(--white);
  border: 1px solid var(--line-strong);
  padding: clamp(2.6rem, 6vw, 4rem) var(--gap);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.6rem;
}
.cta-banner h2{ color: var(--white); margin: 0; }
.cta-banner p{ color: var(--steel); margin: 0.4rem 0 0; }

/* ---------- Forms ---------- */
.form-card{
  background: var(--paper-raised); border: 1px solid var(--line); padding: clamp(1.6rem, 4vw, 2.6rem);
}
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 620px){ .form-row{ grid-template-columns: 1fr; } }
.field{ margin-bottom: 1.1rem; }
.field label{
  display: block; font-family: var(--f-mono); font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--steel); margin-bottom: 0.5em;
}
.field .req{ color: var(--accent); }
.field input, .field select, .field textarea{
  width: 100%; font-family: var(--f-body); font-size: 0.98rem; color: var(--ink);
  background: #101316; border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 0.85em 0.9em; transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea{ resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217,164,65,0.25);
}
.field-radios{ display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip-radio{ position: relative; }
.chip-radio input{ position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; margin: 0; }
.chip-radio > span{
  display: inline-flex; align-items: center; padding: 0.6em 1.05em; border: 1px solid var(--line-strong);
  font-family: var(--f-mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--steel); background: #14181C; transition: all 0.15s ease; cursor: pointer;
}
.chip-radio input:checked + span, .chip-radio input:checked ~ span{ background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.chip-radio input:focus-visible + span{ outline: 2px solid var(--accent); outline-offset: 2px; }
.form-note{ font-size: 0.85rem; color: var(--steel-light); margin-top: 0.4rem; }
.form-status{ margin-top: 1.1rem; font-family: var(--f-mono); font-size: 0.88rem; padding: 0.9em 1em; border: 1px solid var(--line-strong); display: none; }
.form-status.is-visible{ display: block; }
.form-status.ok{ border-color: var(--accent); background: rgba(217,164,65,0.12); color: var(--accent); }
.form-status.err{ border-color: #B4432E; background: rgba(180,67,46,0.15); color: #FF7B60; }

/* ---------- Contact info blocks ---------- */
.info-list{ display: flex; flex-direction: column; gap: 1.3rem; }
.info-item{ display: flex; gap: 1rem; align-items: flex-start; }
.info-item .ico{ flex: none; width: 22px; height: 22px; margin-top: 3px; color: var(--accent); }
.info-item strong{ display: block; font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--steel-light); margin-bottom: 0.2rem; }
.info-item span, .info-item a{ font-size: 1.03rem; color: var(--ink); }

.map-frame{ border: 1px solid var(--line-strong); filter: grayscale(0.5) invert(0.9) contrast(1.1); width: 100%; height: 340px; }

/* ---------- Footer ---------- */
.site-footer{ background: #0A0C0E; color: #8C969E; padding: 3rem 0 1.6rem; border-top: 1px solid var(--line); }
.footer-top{ display: flex; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; padding-bottom: 2.2rem; border-bottom: 1px solid var(--line); }
.footer-brand .brand-name{ color: var(--white); }
.footer-brand .brand-tag{ color: var(--steel); }
.footer-cols{ display: flex; gap: 3.5rem; flex-wrap: wrap; }
.footer-col h4{ color: var(--white); font-size: 0.82rem; letter-spacing: 0.08em; margin-bottom: 0.9rem; }
.footer-col ul{ display: flex; flex-direction: column; gap: 0.55rem; }
.footer-col a{ font-size: 0.92rem; color: #8C969E; }
.footer-col a:hover{ color: var(--accent); }
.footer-bottom{ display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-top: 1.6rem; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: #555F68; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Utility ---------- */
.center{ text-align: center; }
.mt-0{ margin-top: 0; }
.section-head{ max-width: 640px; margin-bottom: 2.6rem; }
.section-head.center{ margin-left: auto; margin-right: auto; }