/* ==========================================================================
   BellaVita z.s. - Globální design systém & CSS proměnné
   ========================================================================== */

:root {
  /* Barevná paleta */
  --color-primary: #1b4938;        /* Hluboká smaragdová */
  --color-primary-hover: #133629;  /* Tmavší smaragdová pro interakci */
  --color-primary-light: #e8f1ed;  /* Velmi jemná smaragdová pro pozadí karet */
  
  --color-slate: #2b323c;          /* Břidlicová pro hlavní texty a nadpisy */
  --color-slate-muted: #64748b;    /* Tlumená břidlicová pro doplňkový text */
  
  --color-sand: #fbf9f5;           /* Teplá písková (hlavní pozadí webu) */
  --color-sand-dark: #f0eae1;      /* Tmavší písková pro oddělovače a rámečky */
  --color-white: #ffffff;          /* Čistá bílá pro karty */
  
  --color-panic: #dc2626;          /* Krizová červená (Panic Button) */
  --color-panic-hover: #b91c1c;
  
  /* Typografie */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --line-height-base: 1.6;
  --line-height-heading: 1.25;
  
  /* Rozměry a mezery */
  --container-max-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  /* Stíny a přechody */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.06);
  --transition: all 0.25s ease-in-out;
}

/* ==========================================================================
   Základní Reset a Box-Sizing
   ========================================================================== */

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

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-slate);
  background-color: var(--color-sand);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ==========================================================================
   Kontejnery a Rozvržení (Layout)
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-slate);
  margin-bottom: 1rem;
  line-height: var(--line-height-heading);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-slate-muted);
}

/* Flexibilní mřížky */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ==========================================================================
   1. Krizový bezpečnostní pás (Security Bar & Panic Button)
   ========================================================================== */

.security-bar {
  background-color: var(--color-slate);
  color: var(--color-sand);
  padding: 0.6rem 0;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.security-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.security-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panic-btn {
  background-color: var(--color-panic);
  color: var(--color-white);
  border: none;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.panic-btn:hover {
  background-color: var(--color-panic-hover);
  transform: scale(1.02);
}

/* ==========================================================================
   2. Hlavní Navigace (Navbar)
   ========================================================================== */

.navbar {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-sand-dark);
  padding: 1rem 0;
  position: sticky;
  top: 41px; /* hned pod security barem */
  z-index: 999;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  color: var(--color-slate);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-slate);
  transition: var(--transition);
}

/* ==========================================================================
   3. Tlačítka a Odznaky (Buttons & Badges)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-slate);
  color: var(--color-slate);
}

.btn-secondary:hover {
  background-color: var(--color-slate);
  color: var(--color-white);
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 50px;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   4. Karty a Komponenty (Cards & Content Blocks)
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-sand-dark);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.card-highlight {
  border-left: 4px solid var(--color-primary);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-slate);
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--color-slate-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* ==========================================================================
   5. Hero Sekce
   ========================================================================== */

.hero {
  padding: 6rem 0 4.5rem;
  text-align: center;
  background: radial-gradient(circle at center, rgba(232, 241, 237, 0.6) 0%, var(--color-sand) 70%);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-slate);
  line-height: 1.15;
  max-width: 860px;
  margin: 0 auto 1.5rem;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-slate-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   6. Formuláře (Forms)
   ========================================================================== */

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-slate);
}

.form-control,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-sand-dark);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-slate);
  transition: var(--transition);
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

/* ==========================================================================
   7. Globální Patička (Footer)
   ========================================================================== */

.footer {
  background-color: var(--color-slate);
  color: #cbd5e1;
  padding: 4.5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-title,
.footer-subtitle {
  color: var(--color-white);
  margin-bottom: 1.2rem;
  font-size: 1.2rem;
}

.footer-text {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-claim {
  color: #94a3b8;
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-crisis-info {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.footer-emergency-note {
  display: inline-block;
  background-color: rgba(220, 38, 38, 0.2);
  color: #fca5a5;
  border-left: 3px solid var(--color-panic);
  padding: 0.5rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ==========================================================================
   8. Responzivita (Media Queries)
   ========================================================================== */

@media (max-width: 900px) {
  .hero-title { font-size: 2.25rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  
  .mobile-menu-toggle { display: flex; }
  
  .nav-wrapper {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-sand-dark);
    box-shadow: var(--shadow-md);
    display: none;
  }
  
  .nav-wrapper.active {
    display: flex;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: 1rem;
  }
  
  .cta-btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .security-desc { display: none; } /* Na malých displejích šetříme místo */
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
}