/* =============================================
   ELEKTROREVIZNÍ.CZ – hlavní stylesheet v2
   ============================================= */

:root {
  --yellow: #F5A623;
  --yellow-dark: #D4891A;
  --black: #1A1A1A;
  --dark: #2C2C2C;
  --white: #FFFFFF;
  --gray-light: #F5F5F5;
  --gray-mid: #E8E8E8;
  --gray-text: #666666;
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--black); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.15rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 600; }
p { color: var(--gray-text); line-height: 1.7; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-yellow { color: var(--yellow); }
.text-center { text-align: center; }
.badge { display: inline-block; background: var(--yellow); color: var(--black); font-size: 0.75rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all var(--transition); border: 2px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--yellow); color: var(--black); }
.btn-primary:hover { background: var(--yellow-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(245,166,35,0.4); }
.btn-outline { background: transparent; color: var(--black); border-color: var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--black); }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* HEADER */
.header { position: sticky; top: 0; z-index: 100; background: var(--white); border-bottom: 1px solid var(--gray-mid); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.nav-logo { display: flex; align-items: center; gap: 0; flex-shrink: 0; }
.nav-logo img { height: 40px; max-width: 220px; width: auto; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { padding: 8px 13px; border-radius: var(--radius); font-size: 0.88rem; font-weight: 500; color: var(--black); transition: all var(--transition); }
.nav-links a:hover, .nav-links a.active { background: var(--gray-light); }
.nav-links a.active { font-weight: 700; }
.nav-cta { flex-shrink: 0; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--black); border-radius: 2px; transition: all var(--transition); }
.mobile-nav { display: none; position: fixed; inset: 68px 0 0 0; background: var(--white); z-index: 99; padding: 24px; flex-direction: column; gap: 8px; border-top: 1px solid var(--gray-mid); overflow-y: auto; }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 14px 16px; font-size: 1rem; font-weight: 500; border-radius: var(--radius); transition: background var(--transition); }
.mobile-nav a:hover { background: var(--gray-light); }
.mobile-nav .btn { margin-top: 16px; justify-content: center; }

/* HERO */
.hero { background: var(--white); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; }
.hero-content { display: flex; flex-direction: column; justify-content: center; padding: 60px 48px 60px 0; }
.hero-content h1 { margin-bottom: 20px; }
.hero-content h1 span { color: var(--yellow); display: block; }
.hero-content .lead { font-size: 1.05rem; color: var(--gray-text); margin-bottom: 36px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-badges { display: flex; gap: 24px; flex-wrap: wrap; }
.hero-badge { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; font-weight: 500; color: var(--gray-text); }
.hero-badge svg { color: var(--yellow); flex-shrink: 0; }
.hero-image { position: relative; overflow: hidden; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* SERVICES GRID */
.services-section { padding: 0; }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--gray-mid); border-top: 1px solid var(--gray-mid); border-bottom: 1px solid var(--gray-mid); }
.service-card { background: var(--white); padding: 28px 24px 24px; transition: all var(--transition); display: flex; flex-direction: column; }
.service-card:hover { background: var(--gray-light); }
.service-card-top { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 10px; }
.service-card .svc-icon { width: 52px; height: 52px; flex-shrink: 0; }
.service-card h3 { font-size: 0.95rem; line-height: 1.35; margin-bottom: 0; align-self: center; }
.service-card p { font-size: 0.86rem; margin-bottom: 16px; padding-left: 66px; }
.service-card .arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--black); transition: gap var(--transition); padding-left: 66px; margin-top: auto; }
.service-card:hover .arrow { gap: 10px; }

/* WHY US */
.why-us { background: var(--black); color: var(--white); padding: 56px 0; }
.why-us-inner { display: grid; grid-template-columns: auto 1fr 1fr 1fr; gap: 0; align-items: center; }
.why-us-title { padding-right: 48px; border-right: 1px solid rgba(255,255,255,0.15); }
.why-us-title h2 { font-size: 1.4rem; color: var(--white); }
.why-us-item { display: flex; align-items: flex-start; gap: 16px; padding: 0 40px; border-right: 1px solid rgba(255,255,255,0.1); }
.why-us-item:last-child { border-right: none; }
.why-us-icon { color: var(--yellow); flex-shrink: 0; margin-top: 2px; }
.why-us-item h4 { color: var(--white); margin-bottom: 4px; }
.why-us-item p { font-size: 0.88rem; color: rgba(255,255,255,0.6); }

/* CTA BANNER */
.cta-banner { background: var(--gray-light); border-top: 1px solid var(--gray-mid); border-bottom: 1px solid var(--gray-mid); padding: 48px 0; }
.cta-banner-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-banner-left { display: flex; align-items: center; gap: 20px; }
.cta-banner-icon { width: 56px; height: 56px; background: var(--yellow); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cta-banner h3 { font-size: 1.2rem; margin-bottom: 4px; }
.cta-banner p { font-size: 0.9rem; }

/* PAGE HERO */
.page-hero { background: var(--black); color: var(--white); padding: 64px 0; }
.page-hero .badge { background: rgba(245,166,35,0.2); color: var(--yellow); }
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero .lead { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; }

/* CONTENT */
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.features-list { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.feature-item { display: flex; align-items: flex-start; gap: 12px; }
.feature-icon { width: 28px; height: 28px; background: var(--yellow); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.feature-icon svg { color: var(--black); }
.feature-item h4 { margin-bottom: 2px; }
.feature-item p { font-size: 0.9rem; }

.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.step { text-align: center; }
.step-num { width: 52px; height: 52px; background: var(--yellow); color: var(--black); font-size: 1.3rem; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step h4 { margin-bottom: 8px; }
.step p { font-size: 0.88rem; }

.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { background: var(--white); border: 1px solid var(--gray-mid); border-radius: var(--radius); padding: 32px; transition: all var(--transition); }
.info-card:hover { box-shadow: var(--shadow-hover); border-color: var(--yellow); }
.info-card .card-icon { width: 44px; height: 44px; margin-bottom: 16px; color: var(--black); }
.info-card h3 { margin-bottom: 8px; }
.info-card p { font-size: 0.9rem; }

/* PRICING */
.pricing-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; max-width: 720px; margin: 0 auto; }
.pricing-card { background: var(--white); border: 2px solid var(--gray-mid); border-radius: var(--radius); padding: 40px 36px; position: relative; }
.pricing-card.featured { border-color: var(--yellow); }
.pricing-card .featured-label { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--yellow); color: var(--black); font-size: 0.75rem; font-weight: 700; padding: 4px 16px; border-radius: 20px; white-space: nowrap; }
.price { font-size: 2.4rem; font-weight: 800; color: var(--black); margin: 16px 0 4px; }
.price span { font-size: 1rem; font-weight: 500; color: var(--gray-text); }
.price-desc { font-size: 0.88rem; color: var(--gray-text); margin-bottom: 24px; }
.pricing-features { margin-bottom: 32px; }
.pricing-features li { padding: 8px 0; font-size: 0.9rem; border-bottom: 1px solid var(--gray-mid); display: flex; align-items: center; gap: 8px; color: var(--black); }
.pricing-features li::before { content: "✓"; color: var(--yellow); font-weight: 700; flex-shrink: 0; }
.pricing-card .btn { width: 100%; justify-content: center; }

.section-header { margin-bottom: 48px; }
.section-header.centered { text-align: center; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; max-width: 600px; }
.section-header.centered p { margin: 0 auto; }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag { display: inline-block; background: var(--gray-light); border: 1px solid var(--gray-mid); color: var(--black); font-size: 0.8rem; font-weight: 500; padding: 4px 12px; border-radius: 20px; }

/* KONTAKT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item-icon { width: 48px; height: 48px; background: var(--yellow); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item h4 { margin-bottom: 4px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-text); }
.contact-item a, .contact-item .contact-value { font-size: 1.2rem; font-weight: 700; color: var(--black); transition: color var(--transition); display: block; }
.contact-item a:hover { color: var(--yellow-dark); }
.contact-map { background: var(--gray-light); border: 1px solid var(--gray-mid); border-radius: var(--radius); padding: 48px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 280px; gap: 16px; }
.contact-map h3 { margin-bottom: 8px; }
.contact-map p { font-size: 0.9rem; }
.contact-hours { background: var(--gray-light); border-radius: var(--radius); padding: 28px; }
.contact-hours h4 { margin-bottom: 16px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gray-text); }
.hours-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 0.9rem; border-bottom: 1px solid var(--gray-mid); color: var(--black); }
.hours-row:last-child { border-bottom: none; }
.hours-row span:last-child { font-weight: 600; }

/* FOOTER */
.footer { background: var(--black); color: var(--white); padding: 56px 0 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand { max-width: 320px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo img { height: 32px; max-width: 200px; width: auto; object-fit: contain; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7; }
.footer-col h4 { color: var(--white); margin-bottom: 16px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); font-size: 0.82rem; transition: color var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { height: 340px; order: -1; }
  .hero-content { padding: 48px 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-us-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .why-us-title { border-right: none; padding-right: 0; grid-column: span 2; border-bottom: 1px solid rgba(255,255,255,0.15); padding-bottom: 24px; }
  .why-us-item { padding: 0; border-right: none; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; max-width: 100%; }
  .content-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .info-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .why-us-inner { grid-template-columns: 1fr; }
  .why-us-title { grid-column: span 1; }
  .cta-banner-inner { flex-direction: column; text-align: center; }
  .cta-banner-left { flex-direction: column; align-items: center; text-align: center; }
  .process-steps { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
  .info-cards { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
}