/* Natanael.hr - stilovi */
:root {
    --primary: #0a3d62;       /* Rijeka plava */
    --accent: #e58e26;        /* topla narančasta */
    --dark: #1e272e;
    --light: #f5f6fa;
    --gray: #6c7a89;
    --border: #e1e5eb;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 1.25rem; }

/* HEADER */
.site-header {
    background: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.logo span { color: var(--accent); }
.main-nav { display: flex; gap: 1.75rem; align-items: center; }
.main-nav a { color: var(--dark); font-weight: 500; }
.main-nav a:hover { color: var(--primary); }
.btn-nav {
    background: var(--accent);
    color: #fff !important;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius);
}
.btn-nav:hover { background: var(--primary); }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--primary);
}

/* HERO */
.hero {
    background: linear-gradient(135deg, rgba(10,61,98,0.88), rgba(10,61,98,0.65)), url('https://images.unsplash.com/photo-1564671165093-20688ff1fffa?w=1600') center/cover;
    color: #fff;
    padding: 6rem 1.25rem;
    text-align: center;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; max-width: 700px; margin: 0 auto 2rem; opacity: 0.95; }
.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 0.9rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: transform 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}
.btn:hover { transform: translateY(-2px); color: #fff; }
.btn-outline { background: transparent; border: 2px solid #fff; }

/* SECTIONS */
section { padding: 4rem 0; }
.section-title { text-align: center; font-size: 2rem; margin-bottom: 0.5rem; color: var(--primary); }
.section-sub { text-align: center; color: var(--gray); margin-bottom: 3rem; }

/* GRID - univerzalni */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

/* KARTICA */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.card h3 { color: var(--primary); margin-bottom: 0.5rem; }
.card .meta { color: var(--gray); font-size: 0.9rem; margin-bottom: 1rem; }
.card p { margin-bottom: 1rem; flex: 1; }
.card .price { font-size: 1.4rem; font-weight: 700; color: var(--accent); }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-grid h2 { color: var(--primary); margin-bottom: 1rem; }

/* BLOG POST */
.post { max-width: 780px; margin: 0 auto; padding: 3rem 1.25rem; }
.post h1 { color: var(--primary); margin-bottom: 0.5rem; }
.post .meta { color: var(--gray); margin-bottom: 2rem; }
.post p { margin-bottom: 1.2rem; }
.post h2 { color: var(--primary); margin: 2rem 0 1rem; }

/* FORMA */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}
.form-group textarea { resize: vertical; min-height: 140px; }
.alert { padding: 1rem; border-radius: var(--radius); margin-bottom: 1.5rem; }
.alert-success { background: #d4edda; color: #155724; }
.alert-error { background: #f8d7da; color: #721c24; }

/* FOOTER */
.site-footer { background: var(--dark); color: #cfd8dc; padding: 3rem 0 1rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.site-footer h3, .site-footer h4 { color: #fff; margin-bottom: 1rem; }
.site-footer a { color: #cfd8dc; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 0.4rem; }
.footer-bottom { border-top: 1px solid #34495e; margin-top: 2rem; padding-top: 1rem; text-align: center; font-size: 0.9rem; }

/* BACKGROUND SECTIONS */
.bg-light { background: var(--light); }

/* RESPONSIVE */
@media (max-width: 820px) {
    .nav-toggle { display: block; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
        gap: 0.5rem;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 0.6rem; width: 100%; }
    .about-grid { grid-template-columns: 1fr; }
    .hero { padding: 4rem 1rem; }
    section { padding: 3rem 0; }
}