/* Reset i osnovni stilovi */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

/* HEADER */
header {
    background: #141414;
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.logo {
    font-weight: 800;
    font-size: 28px;
    letter-spacing: 2px;
    color: #00bfa6;
}

.logo span {
    color: #00e676;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    color: #00e676;
}

/* HERO SEKCJA */
.hero {
    background: linear-gradient(rgba(0,191,166,0.8), rgba(0,230,118,0.8)), url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1400&q=80') no-repeat center center/cover;
    height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(0,0,0,0.6);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 0 10px rgba(0,0,0,0.6);
}

.btn {
    background: #00e676;
    color: #141414;
    padding: 15px 30px;
    border: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    box-shadow: 0 5px 15px rgba(0,230,118,0.5);
    transition: background 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background: #00bfa6;
    box-shadow: 0 8px 20px rgba(0,191,166,0.7);
}

/* FEATURES SEKCJA */
.features {
    padding: 60px 0;
    background: white;
    text-align: center;
}

.feature-card {
    background: #f0f9f8;
    border-radius: 12px;
    padding: 30px 20px;
    margin: 20px;
    box-shadow: 0 10px 25px rgba(0,191,166,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,230,118,0.3);
}

.features .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.8rem;
    color: #00bfa6;
}

/* PAGE HEADER (za about, services, contact) */
.page-header {
    background: #00e676;
    color: #141414;
    padding: 50px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.page-header h2 {
    font-size: 2.8rem;
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.2rem;
}

/* CONTENT SECTIONS */
.content, .services-list, .contact-form {
    max-width: 900px;
    margin: auto;
    padding: 0 20px 50px;
}

.content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* SERVICES */
.services-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.service-card {
    background: #f0f9f8;
    border-radius: 12px;
    padding: 25px 20px;
    width: 28%;
    box-shadow: 0 10px 25px rgba(0,191,166,0.1);
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,230,118,0.3);
}

.service-card h3 {
    color: #00bfa6;
    margin-bottom: 15px;
}

/* CONTACT FORM */
.contact-form form {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1.5px solid #00bfa6;
    font-size: 1rem;
    resize: none;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00e676;
}

.contact-form button {
    width: 150px;
    padding: 15px 0;
    border: none;
    border-radius: 50px;
    background: #00e676;
    color: #141414;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    align-self: flex-start;
    box-shadow: 0 5px 15px rgba(0,230,118,0.5);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.contact-form button:hover {
    background: #00bfa6;
    box-shadow: 0 8px 20px rgba(0,191,166,0.7);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #141414;
    color: white;
    font-size: 0.9rem;
    letter-spacing: 1.5px;
}

/* RESPONSIVE */
@media(max-width: 900px) {
    .features .container, .services-list {
        flex-direction: column;
        align-items: center;
    }
    .feature-card, .service-card {
        width: 90%;
    }
}