:root {
  --bg: #0d0d0d; /* Zklidněná velmi tmavá šedá, ne absolutní černá */
  --text-main: #ededed;
  --text-muted: #a1a1aa;
  --border-color: #27272a;
  --accent: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--text-main); color: var(--bg); }

/* --- TYPOGRAFIE --- */
h1, h2, h3, .brand {
  font-family: "Newsreader", serif;
  font-weight: 500;
  line-height: 1.1;
  color: var(--accent);
}

a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--text-muted); }

/* --- STRUKTURA --- */
.container {
  width: 100%; max-width: 1000px;
  margin: 0 auto; padding: 0 2rem;
}

.section-padding { padding: 7rem 0; }
.border-top { border-top: 1px solid var(--border-color); }

.section-title { font-size: clamp(2.2rem, 4vw, 3rem); margin-bottom: 2rem; }

/* --- HLAVIČKA --- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background-color: rgba(13, 13, 13, 0.95);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  height: 80px;
  display: flex; justify-content: space-between; align-items: center;
}

.brand { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; }

nav { display: flex; gap: 2rem; align-items: center; }
nav a { font-size: 0.95rem; color: var(--text-muted); }
nav a:hover, .contact-link { color: var(--accent); }

/* --- HERO --- */
.hero {
  min-height: 75vh; 
  display: flex; align-items: center; 
}

.hero-kicker {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  letter-spacing: -0.02em; 
  max-width: 20ch; 
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 48ch; 
  margin-bottom: 3rem;
}

.hero-actions { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}
.btn-primary { background: var(--accent); color: var(--bg); font-weight: 500; }
.btn-primary:hover { background: var(--text-muted); color: var(--bg); }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--text-muted); color: var(--text-muted); }

/* --- SLUŽBY --- */
.services-wrapper { 
  display: grid; 
  grid-template-columns: 1fr;
  gap: 3rem; 
  margin-bottom: 3rem;
}
@media (min-width: 768px) {
  .services-wrapper { grid-template-columns: 1fr 1fr; gap: 5rem; }
}

.service-item h3 { font-size: 1.75rem; margin-bottom: 1rem; }
.service-item p { color: var(--text-muted); font-size: 1.1rem; }

.services-note {
  font-size: 0.95rem; color: var(--text-muted);
  padding-top: 2rem; border-top: 1px dashed var(--border-color);
  max-width: 60ch;
}

/* --- SPOLEČNÝ ASYMETRICKÝ GRID (Pro koho & O mně) --- */
.layout-asymmetric {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 900px) {
  .layout-asymmetric { grid-template-columns: 4fr 5fr; gap: 5rem; align-items: start; }
}

/* --- PRO KOHO (Čistý seznam bez ikon) --- */
.clean-list {
  list-style: none;
}
.clean-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  font-size: 1.15rem;
  color: var(--text-muted);
}
.clean-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* --- O MNĚ --- */
.profile-img {
  width: 100%; max-width: 400px; height: auto;
  border-radius: 4px; filter: grayscale(15%); 
}
.about-text .eyebrow {
  display: block; font-size: 0.85rem; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1rem; letter-spacing: 0.05em;
}
.about-text p { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 1.5rem; max-width: 45ch; }

/* --- PATIČKA / KONTAKT --- */
.site-footer { text-align: left; }
.footer-title { font-size: clamp(2rem, 4vw, 3rem); max-width: 20ch; margin-bottom: 1.5rem; }
.footer-lead { font-size: 1.15rem; color: var(--text-muted); margin-bottom: 3rem; max-width: 45ch; }

.contact-links { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 5rem; }
.contact-email { font-size: clamp(1.5rem, 3vw, 2.5rem); font-family: "Newsreader", serif; text-decoration: underline; text-underline-offset: 6px; }
.contact-phone { font-size: 1.25rem; color: var(--text-muted); }

.footer-bottom {
  display: flex; flex-direction: column; gap: 0.5rem;
  border-top: 1px solid var(--border-color); padding-top: 2rem;
}
.copyright { font-size: 0.9rem; color: var(--text-muted); }
.business-info { font-size: 0.8rem; color: var(--text-muted); opacity: 0.6; } 

/* --- ŠIPKA ZPĚT NAHORU --- */
.scroll-top {
  position: fixed; right: 2rem; bottom: 2rem;
  width: 44px; height: 44px;
  background: var(--border-color); color: var(--text-main);
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px; z-index: 9999;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.3s ease; pointer-events: auto;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--text-muted); color: var(--bg); }

/* --- RESPONSIVITA --- */
@media (max-width: 768px) {
  nav { display: none; } 
  .section-padding { padding: 5rem 0; }
  .scroll-top { right: 1rem; bottom: 1rem; }
}