/**
 * Moraviatel.cz - Hlavní styly
 * Verze: 2.0 (Statický web)
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* Barvy */
    --color-primary: #dc2626;
    --color-primary-dark: #b91c1c;
    --color-primary-light: #fef2f2;
    --color-orange: #ea580c;
    --color-lime: #84cc16;
    --color-lime-light: #ecfccb;
    --color-gray-900: #111827;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;
    
    /* Typografie */
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Rozestupy */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Ostatní */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: 200ms ease-in-out;
    
    /* Container */
    --container-max: 1200px;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
}

/* Smooth scroll pouze pokud uživatel nemá vypnuté animace */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

/* ========================================
   Typografie
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-900);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

@media (min-width: 768px) {
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
    h3 { font-size: var(--font-size-2xl); }
}

p {
    margin-bottom: var(--spacing-4);
}

p:last-child {
    margin-bottom: 0;
}

.text-primary { color: var(--color-primary); }
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* ========================================
   Layout
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

.section {
    padding: var(--spacing-8) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-12) 0;
    }
}

.section-gray {
    background-color: var(--color-gray-50);
}

.section-primary {
    background: linear-gradient(to bottom, var(--color-primary-light), var(--color-white));
}

/* Section Header Decoration */
.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-orange));
}

/* ========================================
   Grid & Flexbox
   ======================================== */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

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

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 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); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #991b1b 100%);
    color: var(--color-white);
    box-shadow: 0 6px 20px 0 rgba(220, 38, 38, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
}

/* ========================================
   Motion Design System
   ======================================== */

/* Animace při objevování */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* Sticky navigace */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.site-nav.hidden {
    transform: translateY(-100%);
}

.nav-link {
    position: relative;
    padding: var(--spacing-4) var(--spacing-3);
    display: inline-block;
}


/* Třída pro zamezení scrollování s otevřeným menu */
body.menu-open {
    overflow: hidden;
}

/* Mobilní menu */
.nav-menu {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

/* Hero animace */
.hero-content h1,
.hero-content .hero-text,
.hero-content .hero-buttons {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-content h1 { animation-delay: 0.1s; }
.hero-content .hero-text { animation-delay: 0.3s; }
.hero-content .hero-buttons { animation-delay: 0.5s; }

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

/* Statistiky */
.stat-number {
    font-variant-numeric: tabular-nums;
    transition: transform 0.3s ease;
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
}

/* Reduced motion podpora */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

/* Obsah nad pozadím */
main, header, nav, footer {
    position: relative;
    z-index: 1;
}

.btn-cta {
    background-color: var(--color-lime-light);
    color: #3f6212;
    padding: var(--spacing-4) var(--spacing-8);
}

.btn-cta:hover {
    background-color: #d9f99d;
    color: #3f6212;
}

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

.btn-white:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-white);
    border: none;
    padding: var(--spacing-6);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-link:hover {
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--spacing-4);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.card-body {
    color: var(--color-gray-600);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    background: linear-gradient(to bottom, var(--color-primary-light), var(--color-white));
    padding: var(--spacing-12) 0;
}

@media (min-width: 768px) {
    .page-header {
        padding: var(--spacing-16) 0;
    }
}

.page-header h1 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.page-header .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.page-header .breadcrumb a {
    color: var(--color-gray-500);
}

.page-header .breadcrumb a:hover {
    color: var(--color-primary);
}

.page-header .breadcrumb span {
    color: var(--color-gray-400);
}

/* ========================================
   Page Content
   ======================================== */
.page-content {
    padding: var(--spacing-8) 0;
}

@media (min-width: 768px) {
    .page-content {
        padding: var(--spacing-12) 0;
    }
}

.page-content h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid var(--color-gray-200);
}

.page-content h3 {
    color: var(--color-gray-900);
    margin-top: var(--spacing-6);
    margin-bottom: var(--spacing-3);
}

.page-content ul,
.page-content ol {
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-6);
}

.page-content ul {
    list-style-type: disc;
}

.page-content ol {
    list-style-type: decimal;
}

.page-content li {
    margin-bottom: var(--spacing-2);
}

/* ========================================
   Utilities
   ======================================== */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.my-4 { margin-top: var(--spacing-4); margin-bottom: var(--spacing-4); }
.my-6 { margin-top: var(--spacing-6); margin-bottom: var(--spacing-6); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-6 { padding-top: var(--spacing-6); padding-bottom: var(--spacing-6); }
.py-8 { padding-top: var(--spacing-8); padding-bottom: var(--spacing-8); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }
.rounded { }
.rounded-lg { }
.border { border: 1px solid var(--color-gray-200); }
.border-t { border-top: 1px solid var(--color-gray-200); }
.border-b { border-bottom: 1px solid var(--color-gray-200); }

/* ========================================
   Warning / Success / Info Boxes
   ======================================== */
.warning-box {
    background-color: #fff7ed;
    border-left: 4px solid var(--color-orange);
    padding: var(--spacing-4);
    margin: var(--spacing-4) 0;
}

.success-box {
    background-color: var(--color-lime-light);
    border-left: 4px solid var(--color-lime);
    padding: var(--spacing-4);
    margin: var(--spacing-4) 0;
}

.info-box {
    background-color: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-4);
    margin: var(--spacing-4) 0;
}

/* ========================================
   Responsive utilities
   ======================================== */
@media (max-width: 767px) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hide-desktop { display: none !important; }
    .show-desktop { display: block !important; }
}

/* ========================================
   Print styles
   ======================================== */
@media print {
    .no-print { display: none !important; }
    body { color: black; background: white; }
    a { color: black; text-decoration: underline; }
}