:root {
    --bg-black: #000000;
    --card-black: #0a0a0a;
    --input-black: #111111;
    --accent-white: #ffffff;
    --muted-gray: #888888;
    --error-red: #ff3333;
}

html {
    scroll-behavior: smooth;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--accent-white);
    line-height: 1.5;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    border-bottom: 1px solid #1a1a1a;
    background: rgba(0,0,0,0.9);
    position: sticky;
    top: 0;
    z-index: 9999;
}

.logo {
    font-weight: 900;
    letter-spacing: 1px;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--accent-white);
    transition: color 0.3s ease;
}

.logo:hover {
    color: var(--muted-gray);
}

.socials {
    display: flex;
    gap: 20px;
    align-items: center;
    position: relative;
    z-index: 10000;
    padding-right: 10px; /* Odmicanje ikona od ivice ekrana na mobitelu */
}

.socials a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-white);
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.3s ease, transform 0.3s ease;
    padding: 10px;
    position: relative;
    z-index: 10001;
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.socials a:hover {
    color: var(--muted-gray);
    transform: scale(1.1);
}

.socials a i {
    pointer-events: none; /* Sprječava da grafika ikone blokira dodir linka na mobitelu */
}

.hero {
    min-height: 60svh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* Putanja ka tvojoj lokalnoj slici */
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('../img/pozadina.jpg');
    background-size: cover;
    background-position: center;
    padding: 20px;
}

.promo-badge {
    display: inline-block;
    border: 1px solid var(--accent-white);
    padding: 5px 15px;
    font-size: 0.8rem;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.hero h1 { font-size: clamp(2.5rem, 8vw, 5rem); font-weight: 900; margin-bottom: 10px; }

.btn-main {
    display: inline-block;
    margin-top: 25px;
    background: var(--accent-white);
    color: var(--bg-black);
    padding: 18px 40px;
    text-decoration: none;
    font-weight: 900;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.btn-main:hover {
    background: #e0e0e0;
    transform: translateY(-3px);
}

.main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.pricing { margin: 20px 0; }
.old-price { text-decoration: line-through; color: var(--muted-gray); font-size: 1.2rem; }
.new-price { font-size: 2.5rem; font-weight: 900; margin: 0 15px; }
.discount-tag { color: var(--error-red); font-weight: bold; }

.features { list-style: none; margin-top: 30px; }
.features li { margin-bottom: 10px; color: var(--muted-gray); }

.form-card {
    background: var(--card-black);
    padding: 40px;
    border: 1px solid #1a1a1a;
}

.form-card h3 { margin-bottom: 30px; letter-spacing: 1px; }

.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

label { display: block; font-size: 0.75rem; color: var(--muted-gray); text-transform: uppercase; margin-bottom: 8px; font-weight: bold; }

input, select {
    width: 100%;
    padding: 12px;
    background: var(--input-black);
    border: 1px solid #222;
    color: white;
    outline: none;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus, select:focus { border-color: var(--accent-white); }

.btn-submit {
    width: 100%;
    padding: 20px;
    background: var(--accent-white);
    color: var(--bg-black);
    border: none;
    font-weight: 900;
    cursor: pointer;
    margin-top: 10px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

footer { text-align: center; padding: 60px 20px; border-top: 1px solid #1a1a1a; color: var(--muted-gray); font-size: 0.8rem; }

/* CSS za modale (prozore) */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 100000;
    justify-content: center;
    align-items: center;
}

.modal-box {
    background: var(--card-black);
    border: 1px solid #1a1a1a;
    padding: 40px;
    width: 90%;
    max-width: 500px;
}

.modal-box h3 {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #1a1a1a;
}

.modal-data p {
    margin-bottom: 10px;
    color: var(--muted-gray);
    font-size: 0.9rem;
}

.modal-data span {
    color: var(--accent-white);
    font-weight: bold;
    display: block;
    margin-top: 2px;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-cancel {
    flex: 1;
    padding: 20px;
    background: transparent;
    color: var(--accent-white);
    border: 1px solid #1a1a1a;
    font-weight: 900;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-cancel:hover {
    background: #111;
}

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

@media (max-width: 850px) {
    .product-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero { min-height: 50svh; }
    .hero h1 { font-size: 3rem; }
    .navbar { padding: 15px 20px; }
    .socials { gap: 15px; }
    .modal-actions { flex-direction: column; }
}