/* =====================================================
   ČERPAK THEME – main.css
   ===================================================== */

/* ---- RESET & VARIABLES ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy:    #0D1B2A;
    --navy2:   #162032;
    --navy3:   #1e2d42;
    --accent:  #3B82F6;
    --accent2: #93C5FD;
    --white:   #FFFFFF;
    --muted:   rgba(255,255,255,0.55);
    --dim:     rgba(255,255,255,0.25);
    --border:  rgba(255,255,255,0.08);
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans:  'DM Sans', system-ui, sans-serif;
    --radius: 8px;
    --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--navy); color: var(--white); overflow-x: hidden; line-height: 1.7; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }

/* ---- TIPOGRAFIE ---- */
h1, h2, h3, h4, h5 { font-family: var(--font-serif); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 1rem; }
h3 { font-size: 1.15rem; font-weight: 500; margin-bottom: 0.6rem; }
h4 { font-size: 0.9rem; font-weight: 500; }
p { font-weight: 300; line-height: 1.8; }

.section-tag {
    display: block; font-size: 0.7rem; letter-spacing: 0.18em;
    text-transform: uppercase; color: var(--accent); font-weight: 500;
    margin-bottom: 0.6rem;
}
.section-lead {
    font-size: 1rem; font-weight: 300; color: var(--muted);
    max-width: 580px; margin-bottom: 3rem; line-height: 1.85;
}
.section-divider { height: 1px; background: var(--border); margin: 0 3.5rem; }

/* ---- NAVIGACE ---- */
.site-header { position: sticky; top: 0; z-index: 100; }
.main-nav {
    background: rgba(13,27,42,0.92); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border); padding: 1rem 3rem;
}
.nav-container { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }

.site-logo .logo-text { font-family: var(--font-serif); font-size: 1.4rem; color: var(--white); }
.site-logo .logo-text span { color: var(--accent); }
.site-logo img { height: 50px; width: auto; }

.nav-menu { list-style: none; display: flex; gap: 2rem; }
.nav-menu a { font-size: 0.85rem; letter-spacing: 0.05em; color: var(--muted); transition: color var(--transition); }
.nav-menu a:hover, .nav-menu .active > a { color: var(--white); }

.nav-cta {
    background: var(--accent); color: var(--white) !important;
    padding: 0.5rem 1.25rem; border-radius: 4px; font-size: 0.85rem;
    font-weight: 500; white-space: nowrap; transition: background var(--transition);
}
.nav-cta:hover { background: #2563EB; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- HERO ---- */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.hero-left { padding: 6rem 3rem 5rem 3.5rem; display: flex; flex-direction: column; justify-content: center; position: relative; }
.hero-left::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 30% 50%, rgba(59,130,246,0.1) 0%, transparent 70%); pointer-events: none; }
.hero-tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent2); border: 1px solid rgba(59,130,246,0.3); padding: 0.3rem 0.75rem; border-radius: 2px; margin-bottom: 1.5rem; }
.hero-left h1 { margin-bottom: 1.25rem; position: relative; }
.hero-left h1 em { font-style: italic; color: var(--accent); }
.hero-text { font-size: 1rem; font-weight: 300; color: var(--muted); max-width: 480px; margin-bottom: 2rem; position: relative; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; position: relative; }

.hero-right { height: 100vh; position: relative; overflow: hidden; }
.hero-right .hero-img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6); }
.hero-right-overlay { position: absolute; inset: 0; background: linear-gradient(to right, var(--navy) 0%, transparent 40%); }

/* Stats bar */
.hero-stats-bar { display: flex; border-top: 1px solid var(--border); background: rgba(13,27,42,0.95); }
.stat-cell { flex: 1; padding: 1.5rem 2rem; border-right: 1px solid var(--border); text-align: center; }
.stat-cell:last-child { border-right: none; }
.stat-num { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 700; display: block; line-height: 1; }
.stat-label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 0.3rem; }

/* Intro strip */
.intro-strip { background: var(--navy2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 3rem 3.5rem; display: grid; grid-template-columns: repeat(3,1fr); gap: 2.5rem; }
.intro-item p { font-size: 0.9rem; color: var(--muted); line-height: 1.75; }

/* ---- SEKCE – OBECNÉ ---- */
section { padding: 5.5rem 3.5rem; }

/* ---- TLAČÍTKA ---- */
.btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 1.75rem; border-radius: 4px;
    font-size: 0.9rem; font-weight: 500; transition: background var(--transition), transform 0.15s;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: #2563EB; transform: translateY(-2px); color: var(--white); }
.btn-secondary { border: 1px solid rgba(255,255,255,0.2); color: var(--white); }
.btn-secondary:hover { border-color: rgba(255,255,255,0.5); transform: translateY(-2px); }

/* ---- SLUŽBY ---- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.service-card { background: var(--navy2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color var(--transition); }
.service-card:hover { border-color: rgba(59,130,246,0.3); }
.service-img { width: 100%; height: 200px; object-fit: cover; filter: brightness(0.7); }
.service-body { padding: 1.75rem 2rem 2rem; }
.service-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.service-text { font-size: 0.875rem; color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
.service-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.75rem; border: 1px solid rgba(59,130,246,0.3); border-radius: 2px; color: var(--accent2); background: rgba(59,130,246,0.06); }

/* ---- O NÁS ---- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 5rem; align-items: center; }
.about-img-wrap { position: relative; border-radius: var(--radius); overflow: hidden; }
.about-img-wrap img { width: 100%; height: 480px; object-fit: cover; filter: brightness(0.75); border-radius: var(--radius); }
.about-badge { position: absolute; bottom: 2rem; left: 2rem; right: 2rem; background: rgba(13,27,42,0.88); backdrop-filter: blur(8px); border: 1px solid var(--border); border-radius: 6px; padding: 1.25rem 1.5rem; display: flex; gap: 1.5rem; align-items: center; }
.ab-sep { width: 1px; height: 40px; background: var(--border); }
.ab-num { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; color: var(--accent); display: block; line-height: 1; }
.ab-label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.about-content { display: flex; flex-direction: column; gap: 1.25rem; }
.about-content p { color: var(--muted); }
.features-list { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.features-list li { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; font-weight: 300; color: rgba(255,255,255,0.75); }
.check { width: 20px; height: 20px; min-width: 20px; border-radius: 50%; background: rgba(59,130,246,0.15); display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--accent); }

/* ---- PROCES ---- */
.process-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.5rem; }
.process-card { background: var(--navy2); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem 1.5rem; position: relative; overflow: hidden; }
.process-card::before { content: attr(data-n); position: absolute; top: -1rem; right: 1rem; font-family: var(--font-serif); font-size: 5rem; font-weight: 700; color: rgba(59,130,246,0.06); line-height: 1; }
.process-card h3 { font-size: 1rem; font-weight: 500; margin-bottom: 0.6rem; }
.process-card p { font-size: 0.825rem; color: var(--muted); line-height: 1.75; }

/* ---- REFERENCE ---- */
.testimonials-strip { background: rgba(59,130,246,0.06); border-top: 1px solid rgba(59,130,246,0.15); border-bottom: 1px solid rgba(59,130,246,0.15); padding: 4rem 3.5rem; display: grid; grid-template-columns: repeat(3,1fr); gap: 3rem; }
.testimonial-card { display: flex; flex-direction: column; gap: 1rem; }
.testimonial-card p { font-size: 0.95rem; font-weight: 300; color: rgba(255,255,255,0.75); font-style: italic; line-height: 1.8; }
.testimonial-author { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.stars { color: var(--accent); font-size: 0.85rem; letter-spacing: 2px; }

/* ---- POKRYTÍ ---- */
.coverage-section { background: var(--navy2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 0; }
.coverage-inner { display: grid; grid-template-columns: 1fr 1fr; }
.coverage-img { overflow: hidden; }
.coverage-img img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; filter: brightness(0.6); }
.coverage-content { padding: 4rem 3.5rem; display: flex; flex-direction: column; justify-content: center; }
.coverage-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; }
.coverage-badge { font-size: 0.75rem; padding: 0.35rem 0.85rem; border: 1px solid rgba(59,130,246,0.2); border-radius: 2px; color: var(--accent2); background: rgba(59,130,246,0.05); }

/* ---- TÝM ---- */
.team-section { background: var(--navy3); }
.team-top { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; margin-bottom: 3rem; }
.team-text p { color: var(--muted); margin-bottom: 1rem; }
.team-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.team-stat-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; text-align: center; background: var(--navy2); }
.team-big { font-family: var(--font-serif); font-size: 3rem; font-weight: 700; display: block; line-height: 1; margin-bottom: 0.4rem; }
.team-stat-card p { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.team-img-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.team-img-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); position: relative; }
.team-img-card img { width: 100%; height: 220px; object-fit: cover; filter: brightness(0.65); transition: filter 0.3s; }
.team-img-card:hover img { filter: brightness(0.8); }
.team-img-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 1.25rem 1rem; background: linear-gradient(transparent, rgba(13,27,42,0.92)); font-size: 0.8rem; font-weight: 500; }

/* ---- KONTAKT ---- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 5rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.75rem; }
.contact-block h4 { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-family: var(--font-sans); margin-bottom: 0.4rem; }
.contact-block p { font-size: 1rem; font-weight: 300; }
.contact-block a:hover { color: var(--accent2); }
.contact-note { font-size: 0.825rem; color: var(--muted); margin-top: 0.25rem; }

/* Formulář */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.contact-form input,
.contact-form textarea {
    background: var(--navy2); border: 1px solid var(--border); color: var(--white);
    padding: 0.875rem 1.2rem; border-radius: 4px;
    font-family: var(--font-sans); font-size: 0.9rem; font-weight: 300;
    transition: border-color var(--transition); resize: none; width: 100%;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: rgba(59,130,246,0.5); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-footer { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.form-note { font-size: 0.8rem; color: var(--muted); }
.btn-submit { border: none; cursor: pointer; font-family: var(--font-sans); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-message { padding: 1rem 1.25rem; border-radius: 4px; font-size: 0.9rem; margin-top: 0.5rem; }
.form-message.success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.form-message.error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: #fca5a5; }

/* ---- PATIČKA ---- */
.site-footer { border-top: 1px solid var(--border); }
.footer-top { padding: 4rem 3.5rem 3rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; }
.footer-logo { font-family: var(--font-serif); font-size: 1.3rem; display: inline-block; margin-bottom: 1rem; }
.footer-logo span { color: var(--accent); }
.footer-desc { font-size: 0.875rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.footer-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.footer-tags span { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--border); padding: 0.2rem 0.6rem; border-radius: 2px; }
.footer-col-title { font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.footer-contact-list, .footer-nav, .footer-info-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-contact-list li, .footer-info-list li { display: flex; flex-direction: column; font-size: 0.875rem; }
.fc-label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.15rem; }
.footer-nav a { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); }
.footer-nav a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--border); padding: 1.5rem 3.5rem; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-copy, .footer-legal { font-size: 0.8rem; color: var(--muted); }
.footer-legal a { color: var(--muted); transition: color var(--transition); }
.footer-legal a:hover { color: var(--white); }
.footer-legal span { margin: 0 0.5rem; }

/* ---- ANIMACE ---- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.is-front-page .hero-left > * { animation: fadeUp 0.7s ease both; }
.is-front-page .hero-left .hero-tag { animation-delay: 0.1s; }
.is-front-page .hero-left h1 { animation-delay: 0.2s; }
.is-front-page .hero-left .hero-text { animation-delay: 0.3s; }
.is-front-page .hero-left .hero-btns { animation-delay: 0.4s; }

/* ---- RESPONZIVITA ---- */
@media (max-width: 1100px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .about-img-wrap img { height: 360px; }
    .coverage-inner { grid-template-columns: 1fr; }
    .coverage-img img { min-height: 280px; }
    .team-top { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-menu-wrap { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(13,27,42,0.97); padding: 1.5rem; border-bottom: 1px solid var(--border); }
    .nav-menu-wrap.open { display: block; }
    .nav-menu { flex-direction: column; gap: 1rem; }
    .nav-toggle { display: flex; }
    .hero { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .hero-left { padding: 5rem 2rem 3rem; min-height: 85vh; }
    .hero-stats-bar { flex-wrap: wrap; }
    .stat-cell { flex: 1 1 50%; }
    .intro-strip { grid-template-columns: 1fr; gap: 2rem; }
    section { padding: 4rem 2rem; }
    .section-divider { margin: 0 2rem; }
    .testimonials-strip { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 2rem; }
    .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 2rem 2rem; }
    .footer-bottom { padding: 1.5rem 2rem; }
    .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
    .team-img-row { grid-template-columns: 1fr; }
    .coverage-content { padding: 3rem 2rem; }
}

@media (max-width: 600px) {
    .services-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .team-stats { grid-template-columns: 1fr 1fr; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
}