/* CRITICAL CSS - Above-the-fold styles only */
:root {
    --primary: #002625;
    --primary-dark: #001716;
    --secondary: #DAA520;
    --light: #f8f9fa;
    --light-gray: #e9ecef;
    --dark: #212529;
    --white: #ffffff;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --primary-light: #003a38;
    --secondary-light: #d8ca6b;
    --accent: #FF9800;
    --accent-dark: #e68900;
    --accent-light: #ffad33;
    --gray: #6c757d;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --shadow-md: 0 8px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    --gradient-primary: linear-gradient(135deg, #002625 0%, #003a38 50%, #001716 100%);
    --gradient-secondary: linear-gradient(135deg, #002625 0%, #1a4a48 100%);
    --gradient-dark: linear-gradient(135deg, #001716 0%, #002625 100%);
    --gradient-gold: linear-gradient(135deg, #DAA520 0%, #FFD700 50%, #DAA520 100%);
}

/* Font faces - KRITIČNO za FOUT/FOIT */
@font-face {
    font-family: 'Domine Variable';
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url('../fonts/Domine-VariableFont_wght.ttf') format('truetype-variations');
}

@font-face {
    font-family: 'Figtree Variable';
    font-style: normal;
    font-display: swap;
    font-weight: 100 900;
    src: url('../fonts/Figtree-VariableFont_wght.ttf') format('truetype-variations');
}

@font-face {
    font-family: 'Figtree Variable';
    font-style: italic;
    font-display: swap;
    font-weight: 100 900;
    src: url('../fonts/Figtree-Italic-VariableFont_wght.ttf') format('truetype-variations');
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Figtree Variable', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header - kritično za FCP */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

/* Header Logo - NO shadow on normal state */
.logo img {
    width: 180px;
    height: auto;
    transition: var(--transition);
    transform: translateZ(0);
    /* GPU acceleration */
}

/* Logo hover effect - shadow ONLY on hover */
.logo:hover img {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
    transform: translateY(-2px);
}

/* Enhanced Hero Section gradient */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: center;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(218, 165, 32, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(218, 165, 32, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: goldenrod;
    margin-bottom: 1rem;
    font-size: 2.2rem;
    font-family: 'Domine Variable', Georgia, serif;
    font-weight: 700;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Breadcrumbs styling */
.breadcrumbs {
    padding: 0.5rem 0;
    background-color: var(--light);
    border-radius: var(--border-radius);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    color: var(--gray);
    font-weight: bold;
    margin-left: 0.5rem;
}

.breadcrumb-link {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
}

.breadcrumb-link:hover,
.breadcrumb-link:focus {
    color: var(--primary-dark);
    background-color: rgba(0, 38, 37, 0.05);
    text-decoration: none;
}

.breadcrumb-link i {
    font-size: 0.8rem;
}

.breadcrumb-current {
    color: var(--secondary);
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    background: rgba(218, 165, 32, 0.1);
    border-radius: var(--border-radius-sm);
}

/* Basic buttons - kritično za CTA */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: var(--white);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    min-height: 44px;
    font-size: 1rem;
}

.btn:hover {
    background-color: var(--primary-dark);
    text-decoration: none;
    color: var(--white);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--dark);
}

.btn-secondary:hover {
    background-color: #b0a236;
    color: var(--dark);
}

/* Navigation - kritično za korisničko iskustvo */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    color: var(--primary);
    font-size: 1.5rem;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.75rem;
    flex-wrap: nowrap;
    align-items: center;
}

.nav-link {
    font-family: inherit;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    color: var(--dark);
    position: relative;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--light);
    text-decoration: none;
    color: var(--primary);
}

.nav-link.active {
    color: var(--primary-dark);
    font-weight: 600;
    background-color: var(--light-gray);
}

/* Ensure content is visible */
#main-content {
    opacity: 1;
}

/* Basic typography - kritično za čitljivost */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Domine Variable', Georgia, serif;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--primary);
    font-weight: 600;
}

/* Enhanced typography sizes */
h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.1rem;
}

.lead {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

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

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

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

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Enhanced links */
a:hover,
a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Button size variants */
.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-height: 54px;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    min-height: 36px;
}

.btn-block {
    width: 100%;
    display: flex;
}

/* Loading state */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    z-index: 1;
    text-decoration: none;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Navigation menu for mobile */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow);
        z-index: 999;
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }
}