/* Premium Design System for Petr Novotny Website */

/* Reset & Variables */
:root {
    --color-bg-dark: #0b0f19;
    --color-bg-card: #131b2e;
    --color-bg-nav: rgba(11, 15, 25, 0.75);
    --color-text-main: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-primary: #0284c7;
    --color-primary-hover: #0369a1;
    --color-accent: #06b6d4;
    --color-accent-rgb: 6, 182, 212;
    --color-border: #1e293b;
    --color-border-glow: rgba(2, 132, 199, 0.2);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-dark);
    color: var(--color-text-main);
    font-family: var(--font-sans);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

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

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, #38bdf8 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Icons */
.icon {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
    display: inline-block;
    vertical-align: middle;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 0.8rem 1.6rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0369a1 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
}

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: #1e293b;
    border-color: var(--color-text-muted);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-block {
    width: 100%;
}

/* Header & Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-bg-nav);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.nav-container {
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.logo-accent {
    color: var(--color-accent);
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
}

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

.nav-link {
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover, .nav-link.active {
    color: #fff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

/* Hero Section */
.hero-section {
    padding: 10rem 0 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background-color: rgba(2, 132, 199, 0.15);
    border: 1px solid rgba(2, 132, 199, 0.3);
    color: #38bdf8;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-features {
    display: flex;
    gap: 2rem;
}

.h-feat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-main);
}

.h-feat-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background-color: rgba(6, 182, 212, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.h-feat-icon svg {
    width: 1rem;
    height: 1rem;
    fill: currentColor;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.glow-bg {
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, rgba(2, 132, 199, 0.05) 50%, transparent 70%);
    top: -10%;
    left: -10%;
    z-index: 1;
    pointer-events: none;
}

.hero-image-card {
    position: relative;
    z-index: 2;
    border-radius: 20px;
    background: linear-gradient(145deg, #131b2e, #0b0f19);
    border: 1px solid var(--color-border);
    padding: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 250px;
}

.hero-photo {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

/* Stats Section */
.stats-section {
    padding: 3rem 0;
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-card {
    padding: 1.5rem;
    transition: var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-num::after {
    content: '+';
}

.stat-card:last-child .stat-num::after {
    content: 'h';
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Common Section Headers */
.section-badge {
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-lead {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

/* About Section */
.about-section {
    padding: 7rem 0;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    display: flex;
    justify-content: center;
}

.about-image-card {
    border-radius: 20px;
    background: linear-gradient(145deg, #131b2e, #0b0f19);
    border: 1px solid var(--color-border);
    padding: 0.8rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    max-width: 500px;
}

.about-photo {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.about-content h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 1.2rem;
}

.about-checklist {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.check-icon {
    width: 1.35rem;
    height: 1.35rem;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.check-item span {
    font-weight: 500;
    color: var(--color-text-main);
    font-size: 0.95rem;
}

/* Services Section */
.services-section {
    padding: 7rem 0;
    background-color: #0d1322;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(2, 132, 199, 0.15);
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 12px;
    background-color: rgba(2, 132, 199, 0.1);
    border: 1px solid var(--color-border-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 1.8rem;
    height: 1.8rem;
    fill: currentColor;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Machines Section */
.machines-section {
    padding: 7rem 0;
}

.machines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.machine-type-card {
    background-color: #0d1322;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition-fast);
}

.machine-type-card:hover {
    border-color: var(--color-border-glow);
    background-color: var(--color-bg-card);
}

.machine-type-card h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary);
}

.machine-type-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: 7rem 0;
    background-color: #0b0f19;
    border-top: 1px solid var(--color-border);
}

.contact-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.contact-lead {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.c-icon-wrapper {
    width: 3rem;
    height: 3rem;
    border-radius: 10px;
    background-color: rgba(6, 182, 212, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.c-icon-wrapper svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
}

.contact-item h5 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: 0.2rem;
}

.contact-link {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-accent);
}

.billing-info {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    padding: 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Glassmorphic Contact Form */
.contact-form-wrapper {
    position: relative;
}

.contact-card-form {
    background: linear-gradient(135deg, rgba(19, 27, 46, 0.8) 0%, rgba(11, 15, 25, 0.9) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.contact-card-form h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #cbd5e1;
}

.form-group input, .form-group textarea {
    background-color: rgba(11, 15, 25, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: #475569;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-border-glow);
}

.form-status {
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 6px;
    display: none;
}

.form-status.success {
    display: block;
    padding: 0.75rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.form-status.error {
    display: block;
    padding: 0.75rem;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: #070a12;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.footer-sub {
    font-size: 0.8rem !important;
    margin-top: 0.25rem;
    color: #475569 !important;
}

.footer-right {
    display: flex;
    gap: 1.5rem;
}

.footer-right a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-right a:hover {
    color: #fff;
}

/* Responsive Design */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image-wrapper {
        order: 2;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .machines-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-image-card {
        max-width: 200px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .cta-desktop {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        top: 4.5rem;
        left: -100%;
        width: 100%;
        height: calc(100vh - 4.5rem);
        background-color: var(--color-bg-dark);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 3rem;
        gap: 2rem;
        transition: var(--transition-medium);
        z-index: 999;
        border-top: 1px solid var(--color-border);
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-cta-mobile {
        display: block;
        width: 80%;
        margin-top: 1rem;
    }
    
    .nav-cta-mobile .btn {
        width: 100%;
    }
    
    /* Toggle active state of hamburger */
    .menu-toggle.open .hamburger {
        background-color: transparent;
    }
    
    .menu-toggle.open .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    
    .menu-toggle.open .hamburger::after {
        transform: rotate(-45deg);
        bottom: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-card-form {
        padding: 2rem 1.5rem;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

/* Language Switcher Styling */
.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-right: 1.5rem;
    padding: 0.25rem 0.5rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.lang-current {
    color: var(--color-accent);
}

.lang-link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.lang-link:hover {
    color: #fff;
}

.lang-divider {
    color: #334155;
}

@media (max-width: 768px) {
    .lang-switcher {
        margin-right: 0.5rem;
    }
}