@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

html { scroll-behavior: smooth; }

:root {
    --bg-main: #FFFFFF;         
    --bg-section: #F0F4F8;      
    --bg-form: #E6EDF2;
    --primary-navy: #002D62;    
    --accent-blue: #0056B3;     
    --text-color: #333333;      
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    color: var(--text-color);
    background-color: var(--bg-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden; /* Tento řádek ustřihne cokoliv, co by chtělo přesáhnout do stran */
}

.container { width: 100%; box-sizing: border-box; max-width: 1200px; margin: 0 auto; padding: 0 30px; }
.bg-darker { background-color: var(--bg-section); padding: 80px 0; }
h1 { font-size: 52px; color: #FFFFFF; line-height: 1.2; margin-bottom: 20px; font-weight: 700; text-align: center; }
h2 { font-size: 38px; color: var(--primary-navy); margin-bottom: 30px; font-weight: 700; }
h3 { font-size: 22px; color: var(--primary-navy); margin-top: 0; margin-bottom: 10px; font-weight: 600; }
section { padding: 80px 0; }

/* --- NAVIGACE --- */
.main-header { background-color: var(--primary-navy); width: 100%; position: sticky; top: 0; z-index: 100; }
.nav-full { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 15px 30px; box-sizing: border-box; }
.nav-full ul { display: flex; list-style: none !important; margin: 0; padding: 0; gap: 30px; align-items: center; }
.nav-full ul li { display: inline-block; }
.nav-full ul li a { color: #FFFFFF; text-decoration: none; font-size: 15px; font-weight: 600; transition: color 0.3s ease; }
.nav-full ul li a:hover { color: #80BFFF; }

/* --- HERO --- */
.hero-banner {
    width: 100%;
    box-sizing: border-box; /* Tento řádek drží šířku přesně v mantinelech obrazovky */
    background: linear-gradient(rgba(0,45,98,0.7), rgba(0,45,98,0.8)), url('images/hero-ship.jpg') center/cover no-repeat;
    padding: 120px 20px;
    text-align: center;
}
.hero-content { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero-content p { font-size: 22px; color: #FFFFFF; max-width: 800px; margin: 0 auto 10px auto; font-weight: 400; }
.hero-content .hero-subtext { font-size: 18px; color: #A6D1FF; margin-bottom: 40px; font-weight: 500; }
.hero-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }

.btn-gold { display: inline-block; background-color: var(--accent-blue); color: #FFFFFF; border: 2px solid var(--accent-blue); padding: 15px 35px; text-decoration: none; font-weight: 600; text-transform: uppercase; font-size: 15px; border-radius: 4px; transition: all 0.3s ease; }
.btn-gold:hover { background-color: #003D80; border-color: #003D80; }
.btn-outline { display: inline-block; background-color: transparent; color: #FFFFFF; border: 2px solid #FFFFFF; padding: 15px 35px; text-decoration: none; font-weight: 600; text-transform: uppercase; font-size: 15px; border-radius: 4px; transition: all 0.3s ease; }
.btn-outline:hover { background-color: #FFFFFF; color: var(--primary-navy); }

/* --- ABOUT PILLARS --- */
.about-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.pillar { background: #FFFFFF; padding: 30px; border-radius: 6px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; border-bottom: 4px solid var(--accent-blue); }
.pillar p { font-size: 15px; margin: 0; color: #555; }

/* --- COMMODITIES (KARTY) --- */
.commodities-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.commodity-card { background: #FFFFFF; border-radius: 8px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.05); border: 1px solid rgba(0,0,0,0.05); }
.commodity-card img { 
    width: 100%; 
    height: auto; 
    display: block; 
}
.card-content { padding: 25px; }
.card-content p { color: #666; font-size: 15px; margin-top: 0; margin-bottom: 15px; }
.commodity-details { display: none; /* Skryté pro JavaScript rozbalení */ margin-bottom: 15px; }
.commodity-details hr { border: 0; border-top: 1px solid #EEE; margin: 15px 0; }
.commodity-details ul { padding-left: 20px; font-size: 14px; margin-bottom: 20px; color: #444; }
.commodity-details li { margin-bottom: 5px; }
.btn-inquire { display: block; text-align: center; background: var(--bg-section); color: var(--primary-navy); text-decoration: none; padding: 10px; font-weight: 600; font-size: 14px; border-radius: 4px; transition: 0.2s; }
.btn-inquire:hover { background: var(--accent-blue); color: #FFF; }
.toggle-btn { width: 100%; background: none; border: none; color: var(--accent-blue); font-weight: 600; cursor: pointer; padding: 5px 0; text-align: left; font-size: 14px; outline: none; }

/* --- HOW WE WORK --- */
.workflow-grid { display: flex; flex-direction: column; gap: 20px; max-width: 800px; margin: 0 auto; }
.workflow-step { display: flex; align-items: flex-start; gap: 25px; background: #FFF; padding: 25px; border-radius: 6px; box-shadow: 0 2px 10px rgba(0,0,0,0.03); }
.step-number { font-size: 32px; font-weight: 700; color: #D0DCE6; line-height: 1; }
.workflow-step h4 { margin: 0 0 5px 0; font-size: 18px; color: var(--primary-navy); }
.workflow-step p { margin: 0; font-size: 15px; color: #555; }

/* --- FORMULÁŘ --- */
.form-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; background: var(--bg-form); padding: 50px; border-radius: 8px; border: 1px solid #D9E3EA; }
.form-text h2 { margin-top: 0; }
.form-text p { font-size: 17px; }
.form-box { background: #FFF; padding: 30px; border-radius: 6px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
.input-group { margin-bottom: 20px; }
.input-group label { display: block; font-size: 14px; font-weight: 600; color: var(--primary-navy); margin-bottom: 5px; }
.input-group input, .input-group select, .input-group textarea { width: 100%; box-sizing: border-box; padding: 12px; border: 1px solid #CCC; border-radius: 4px; font-family: inherit; font-size: 15px; }
.input-group input:focus, .input-group select:focus, .input-group textarea:focus { border-color: var(--accent-blue); outline: none; }

/* --- FRAMEWORK --- */
.framework-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.fw-item { background: #FFF; padding: 25px 20px; text-align: center; border-radius: 6px; border: 1px solid #EAEAEA; }
.fw-icon { font-size: 36px; margin-bottom: 15px; }
.fw-item h4 { margin: 0 0 10px 0; color: var(--primary-navy); }
.fw-item p { margin: 0; font-size: 14px; color: #666; }

/* --- CONTACT --- */
.contact-persons { display: flex; justify-content: center; gap: 60px; margin-bottom: 50px; text-align: center; }
.person h3 { margin-bottom: 5px; }
.person .role { color: var(--accent-blue); font-weight: 600; margin-top: 0; margin-bottom: 15px; }
.contact-general { text-align: center; padding-top: 40px; border-top: 1px solid #EEE; max-width: 600px; margin: 0 auto; }
.contact-general a { color: var(--accent-blue); text-decoration: none; font-weight: 600; }

/* --- PATIČKA --- */
.site-footer { margin-top: auto; background-color: var(--primary-navy); padding: 50px 0 0 0; color: #FFFFFF; }
.footer-container { text-align: center; padding-bottom: 30px; }
.site-footer h3 { color: #FFFFFF; margin-bottom: 10px; }
.footer-info p { margin: 0; color: rgba(255,255,255,0.7); }
.footer-bottom { background-color: #001A38; padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.5); margin: 0; }

/* --- MOBILY --- */
@media (max-width: 990px) {
    .form-wrapper { grid-template-columns: 1fr; gap: 40px; padding: 30px; }
    .about-pillars { grid-template-columns: 1fr; }
    .framework-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 38px; }
    h2 { font-size: 30px; }
    .nav-full { flex-direction: column; gap: 15px; }
    .nav-full ul { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .hero-banner { padding: 80px 20px; }
    .workflow-step { flex-direction: column; gap: 10px; }
    .framework-grid { grid-template-columns: 1fr; }
    .contact-persons { flex-direction: column; gap: 40px; }
}