:root {
    /* Modern Color Palette */
    --primary-hue: 354;
    /* Red */
    --primary-sat: 70%;
    --primary-light: 54%;

    --color-primary: hsl(var(--primary-hue), var(--primary-sat), var(--primary-light));
    --color-primary-dark: hsl(var(--primary-hue), var(--primary-sat), 40%);
    --color-primary-light: hsl(var(--primary-hue), var(--primary-sat), 95%);
    --color-primary-transparent: hsla(var(--primary-hue), var(--primary-sat), var(--primary-light), 0.1);

    --color-accent: #ffc107;
    /* Gold/Yellow for highlights */

    --color-dark: #1a1a1a;
    --color-text-main: #2d3436;
    --color-text-muted: #636e72;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --color-border: #e9ecef;
    --color-success: #00b894;
    --color-error: #d63031;

    /* Typography */
    --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Shadows & Effects */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: #f0f2f5;
    color: var(--color-text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.2;
    font-weight: 700;
}

img,
iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.text-muted {
    color: var(--color-text-muted);
}

.text-primary {
    color: var(--color-primary);
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-info {
    background-color: #e3f2fd;
    color: #0d47a1;
    border-color: #bbdefb;
}

.alert-success {
    background-color: #e8f5e9;
    color: #1b5e20;
    border-color: #c8e6c9;
}

.alert-error {
    background-color: #ffebee;
    color: #b71c1c;
    border-color: #ffcdd2;
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

@media (min-width: 768px) {
    .md-grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .md-grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Header & Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.nav-links a:not(.btn):hover::after,
.nav-links a:not(.btn).active::after {
    width: 100%;
}

.nav-links a:not(.btn):hover,
.nav-links a:not(.btn).active {
    color: var(--color-primary);
}

#menu-toggle {
    display: none;
}

/* Navigation Button Specifics */
.nav-links .btn-primary {
    margin-left: 1rem;
    color: #fff !important;
    /* Force white text */
    padding: 0.8rem 2rem;
    /* Larger button */
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(50, 50, 50, 0.2) 100%),
        url('../images/uvodni-foto.jpg');
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: 8rem 0;
    margin-bottom: 4rem;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

/* ... existing styles ... */

/* Footer */
footer {
    background-color: #111;
    color: var(--color-white);
    padding: 2rem 0;
    /* Reduced padding */
    margin-top: auto;
    border-top: 4px solid var(--color-primary);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    color: #fff;
    /* Explicit white */
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
    position: relative;
    display: inline-block;
}

.card-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    margin-top: 0.5rem;
    border-radius: 2px;
}

.card-body {
    flex-grow: 1;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 6px rgba(211, 47, 47, 0.2);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(211, 47, 47, 0.3);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.card .btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
    width: 100%;
    margin-top: auto;
}

.card .btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Footer */
footer {
    background-color: #111;
    color: var(--color-white);
    padding: 1rem 0;
    margin-top: auto;
    border-top: 4px solid var(--color-primary);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0;
    color: #fff;
    /* Explicit white text */
}

/* ... headers ... */

.copyright {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    font-size: 0.85rem;
    color: #888;
    width: 100%;
    text-align: center;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-section {
        padding: 5rem 0;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .logo span {
        font-size: 1.2rem;
    }

    #menu-toggle {
        display: block !important;
        font-size: 1.5rem;
        background: none;
        border: none;
        color: var(--color-dark);
        cursor: pointer;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease-out forwards;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 1rem;
    }

    .nav-links .btn {
        width: calc(100% - 2rem);
        margin: 0 1rem;
    }
}

/* Modern Admin Forms */
.admin-form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d2d6dc;
    border-radius: var(--radius-md);
    background-color: #fff;
    color: var(--color-text-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.admin-form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-transparent);
}

.admin-form-group {
    margin-bottom: 1.5rem;
}

.admin-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-dark);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}