@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Zilla+Slab:wght@500;700&display=swap');

:root {
    --main-color: #3f9aae;
    --second-color: #79c9c5;
    --light-color: #ffe2af;
    --accent-color: #f96e5b;
    --bcg-color: #fbfbf9;
    --text-main: #2c3e50;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bcg-color);
    color: var(--text-main);
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
}

/* ==========================================================================
   NAVBAR (MENU NAHOŘE) - TRANSPARENTNÍ NA MODRÉM POZADÍ
   ========================================================================== */
.navbar {
    /* Nahoře: Světlé pozadí webu s lehkou průhledností a rozostřením */
    background-color: rgba(251, 251, 249, 0.9); 
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* Stav po odskrolování dolů: navbar ztmavne a zúží se */
.navbar.scrolled {
    background-color: rgba(44, 114, 131, 0.95); /* Vaše hlavní modro-tyrkysová (případně změň na libovolnou tmavou) */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 12px 0; 
}

/* Nahoře jsou texty loga a odkazů tmavé */
.navbar .logo {
    color: var(--text-main); 
}

.navbar .nav-links a {
    color: var(--text-main); 
}

.navbar .nav-links a:hover {
    color: var(--main-color); /* Hover efekt na světlém pozadí */
}

/* Po odskrolování dolů texty zbělají */
.navbar.scrolled .logo {
    color: white; 
}

.navbar.scrolled .nav-links a {
    color: white; 
}

.navbar.scrolled .nav-links a:hover {
    color: var(--light-color); /* Hover efekt na tmavém pozadí */
}

/* Struktura, zarovnání a fonty zůstávají 1:1 netknuté */
.nav-container {
    max-width: 1100px; 
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-family: 'Zilla Slab', serif;
    font-weight: 700;
    font-size: 1.4rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    opacity: 0.85;
    transition: all 0.2s ease;
}

/* ==========================================================================
   HERO SEKCE - LÍBIVÝ EXPANSIVNÍ BAREVNÝ BLOK
   ========================================================================== */
.hero-colored {
    background: linear-gradient(135deg, #2c7a8d 0%, var(--main-color) 100%);
    padding: 160px 20px 100px 20px; 
}

.hero-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: center;
}

.hero-content {
    flex: 1.2;
    text-align: left;
}

.hero-content h1 {
    font-family: 'Zilla Slab', serif;
    font-size: 3.4rem; 
    line-height: 1.15;
    color: white;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.hero-content h1 span {
    color: var(--light-color);
}

.hero-content p {
    font-size: 1.2rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
}

.hero-visual {
    flex: 1;
    position: relative;
}

.hero-img-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.hero-img-wrapper img {
    display: block;
    width: 100%;
    height: 460px;
    object-fit: cover;
    border-radius: 24px; 
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15); 
}

.floating-badge {
    position: absolute;
    top: 30px;
    left: -20px;
    background-color: white;
    padding: 12px 20px;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.5px;
}

/* KULATÉ AKČNÍ TLAČÍTKO */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    padding: 15px 36px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 10px 25px rgba(249, 110, 91, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary:hover {
    background-color: #e25845;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(249, 110, 91, 0.4);
}

/* ==========================================================================
   HLAVNÍ OBSAH (MAIN MÁ ODSTUP OD KRAJE A JEDNOTNOU ŠÍŘKU)
   ========================================================================== */
main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

section {
    margin-bottom: 90px;
}

h2 {
    font-family: 'Zilla Slab', serif;
    font-size: 2rem;
    color: var(--main-color);
    border-bottom: 2px solid var(--second-color);
    padding-bottom: 6px;
    display: inline-block;
    margin-bottom: 25px;
}

p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.section-sub {
    font-style: italic;
    margin-bottom: 20px;
}

/* ==========================================================================
   SEKCE O NÁS - ČISTÝ CIK-CAK STYL
   ========================================================================== */
.about-zigzag {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-top: 20px;
}

.about-text {
    flex: 1.3;
}

.about-perex {
    font-size: 1.15rem;
    color: #4f6174;
    margin-bottom: 25px;
    font-weight: 600;
}

.team-profiles {
    display: flex;
    gap: 25px;
    margin-top: 20px;
}

.profile {
    flex: 1;
}

.profile h3 {
    font-family: 'Zilla Slab', serif;
    color: var(--main-color);
    font-size: 1.25rem;
    margin-bottom: 5px;
}

.profile p {
    font-size: 0.95rem;
    color: #5c7084;
    line-height: 1.5;
}

.about-visual {
    flex: 1;
}

.about-visual img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
}

/* ==========================================================================
   CO SPOLU MŮŽEME ZORGANIZOVAT - JEMNÝ PODBARVENÝ KRÉMOVÝ BLOK
   ========================================================================== */
.nabidka-card-section {
    background-color: #fdf5e8; /* Velmi jemný pastelový krémový tón */
    padding: 50px 60px;
    border-radius: 24px;
}

.nabidka-card-section h2 {
    border-bottom: none; 
    padding-bottom: 0;
    margin-bottom: 15px;
}

.nabidka-card-section ul {
    list-style-type: none;
    margin-left: 0;
    margin-top: 20px;
}

.nabidka-card-section ul li {
    margin-bottom: 12px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.nabidka-card-section ul li::before {
    content: "✓";
    color: var(--accent-color);
    font-weight: bold;
    display: inline-block; 
    width: 28px;
    font-size: 1.2rem;
}

/* PRŮBĚH SPOLUPRÁCE (ČÍSLOVANÝ SEZNAM) */
ol {
    margin-left: 25px;
    margin-bottom: 20px;
}

ol li {
    margin-bottom: 12px;
    font-size: 1.1rem;
    padding-left: 5px;
}

.note {
    font-style: italic;
    color: #7f8c8d;
    margin-top: 15px;
}

/* UPRAVENÁ VÝZVA PRO KLIENTY */
.hiring-clients-section {
    background-color: #f0f4f5;
    padding: 35px;
    border-radius: 12px;
    border-left: 5px solid var(--accent-color);
}

.hiring-clients-section h3 {
    font-family: 'Zilla Slab', serif;
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 10px;
}

/* ==========================================================================
   KONTAKTNÍ SEKCE (DVOUSLOUPCOVÝ TMAVÝ BLOK)
   ========================================================================== */
.kontakt-section {
    background: #2c3e50;
    color: white;
    padding: 45px;
    border-radius: 16px;
}

.kontakt-section h2 {
    color: white;
    border-bottom-color: var(--accent-color);
}

.kontakt-perex {
    margin-bottom: 25px;
}

.kontakt-layout {
    display: flex;
    gap: 40px; 
    align-items: flex-start;
}

.kontakt-form {
    flex: 1.5;
}

.kontakt-info {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.04); 
    padding: 25px;
    border-radius: 12px;
    font-size: 1.05rem;
}

.kontakt-info h3 {
    font-family: 'Zilla Slab', serif;
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--second-color);
}

.kontakt-info p {
    margin-bottom: 12px;
}

.kontakt-info a {
    color: var(--second-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.kontakt-info a:hover {
    color: var(--light-color);
}

/* FORMULÁŘOVÁ POLÍČKA */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #e0e6ed;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #455a64;
    background-color: #34495e; 
    color: white;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    border-radius: 6px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--second-color);
}

.btn-submit {
    display: block;
    width: 100%; 
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 20px;
    font-size: 1.1rem;
    font-weight: bold;
    font-family: 'Open Sans', sans-serif;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-submit:hover {
    background-color: #e25845; 
}

/* SOCIÁLNÍ SÍTĚ & PATIČKA */
.socialni-site {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.socialni-site p {
    font-size: 0.95rem;
    color: #bdc3c7;
    margin-bottom: 10px;
}

.social-link {
    display: inline-block;
    margin-right: 15px;
    font-size: 1rem;
}

footer {
    text-align: center;
    padding: 40px 20px;
    background-color: #f0f0ed;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* ==========================================================================
   RESPONZIVITA (MOBILNÍ TELEFONY A TABLETY)
   ========================================================================== */
@media (max-width: 900px) {
    .navbar.scrolled {
        background-color: #2c7a8d;
    }

    .hero-colored {
        padding: 120px 20px 60px 20px;
    }

    .hero-container {
        flex-direction: column-reverse; 
        gap: 40px;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-img-wrapper img {
        height: 320px;
    }

    .floating-badge {
        left: 20px;
        top: -15px;
    }

    .about-zigzag {
        flex-direction: column; 
        gap: 35px;
        text-align: center;
    }
    
    .team-profiles {
        flex-direction: column;
        gap: 20px;
        text-align: left;
    }

    .nabidka-card-section {
        padding: 35px 25px;
    }

    .kontakt-layout {
        flex-direction: column;
        gap: 30px;
    }
    
    .kontakt-form, .kontakt-info {
        width: 100%;
        flex: none;
    }
}