/* assets/css/style.css */

:root {
    /* Zeleno-bílá firemní identita s vylepšenou paletou */
    --primary: #00a86b;
    --primary-dark: #008555;
    --primary-light: #e8f8f2;
    --primary-glow: rgba(0, 168, 107, 0.15);
    
    --secondary: #0a1628;
    --secondary-light: #1a2942;
    
    --white: #ffffff;
    --off-white: #fafbfc;
    
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    --gray-900: #0d1117;
    
    --text-primary: #0a1628;
    --text-secondary: #495057;
    
    --max-width: 1320px;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.04);
    --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.16);
    --shadow-green: 0 8px 24px rgba(0, 168, 107, 0.2);
    
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* Kontejner */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* Sekce */
section {
    padding: 120px 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--gray-200) 20%, 
        var(--gray-200) 80%, 
        transparent 100%);
}

section:first-of-type::before {
    display: none;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-top: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--gray-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tag-line {
    display: inline-block;
    color: var(--primary-dark);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.75rem;
    background: var(--primary-light);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    position: relative;
    overflow: hidden;
}

.tag-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.tag-line:hover::before {
    left: 100%;
}

/* Tlačítka */
.btn-primary,
.contact-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--primary);
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-green);
    transition: all var(--transition-base);
}

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

.btn-primary:hover::before,
.contact-pill:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover,
.contact-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 168, 107, 0.3);
}

.btn-primary:active,
.contact-pill:active {
    transform: translateY(0);
}

.btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: var(--radius-full);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-glass:hover {
    background: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Animace pro elementy při načtení */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsivita */
@media (max-width: 1024px) {
    section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn-primary,
    .contact-pill,
    .btn-glass {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
}