/* ============================================
   ElKomplet.cz - Main Stylesheet
   ============================================ */

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

:root {
    --color-dark: #1a1a1a;
    --color-darker: #111111;
    --color-primary: #f40808;
    --color-primary-light: #ff3333;
    --color-primary-glow: #ff6b6b;
    --color-secondary: #494848;
    --color-accent: #f59e0b;
    --color-light: #f8f8f8;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-text-on-dark: #e0e0e0;
    --color-border: #e5e5e5;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1140px;
    --header-height: 80px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 6px 10px rgba(0,0,0,0.08);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-sm { font-size: 0.875rem; padding: 0.5rem 1.25rem; }
.btn-lg { font-size: 1.0625rem; padding: 0.875rem 2rem; }

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

.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 8, 8, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    font-weight: 700;
}

.btn-accent:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 8, 8, 0.4);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav-brand img {
    height: 64px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}

.nav-link:hover { color: var(--color-white); }

.nav-links .btn {
    margin-left: 0.75rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.nav-links .btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, #111111 0%, #1a1a1a 40%, #2a2a2a 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(244, 8, 8, 0.08) 1px, transparent 0);
    background-size: 48px 48px;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(244, 8, 8, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 6s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 8rem 0 6rem;
    max-width: 720px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.text-gradient {
    display: block;
    background: linear-gradient(135deg, var(--color-primary-glow), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
    z-index: 1;
}

/* --- Sections --- */
.section { padding: 6rem 0; }
.section-alt { background: var(--color-light); }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    margin-top: 1rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* --- About --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-text strong { color: var(--color-dark); }

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.feature:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(244, 8, 8, 0.08);
    border-radius: 10px;
    color: var(--color-primary);
}

.feature-icon svg { width: 22px; height: 22px; }

.feature h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.feature p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* --- Services (Accordion Cards) --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before,
.service-card.active::before {
    transform: scaleX(1);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.service-card.active {
    box-shadow: var(--shadow-lg);
}

.service-card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 1.5rem 2rem;
    position: relative;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(244, 8, 8, 0.1), rgba(244, 8, 8, 0.04));
    border-radius: 50%;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    transition: all var(--transition);
}

.service-card:hover .service-icon,
.service-card.active .service-icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

.service-icon svg { width: 28px; height: 28px; }

.service-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.service-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    position: relative;
}

.service-card:hover .service-toggle {
    border-color: var(--color-primary);
}

.service-card.active .service-toggle {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.service-toggle::before,
.service-toggle::after {
    content: '';
    position: absolute;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: all var(--transition);
}

.service-toggle::before {
    width: 14px;
    height: 2px;
}

.service-toggle::after {
    width: 2px;
    height: 14px;
}

.service-card:hover .service-toggle::before,
.service-card:hover .service-toggle::after {
    background: var(--color-primary);
}

.service-card.active .service-toggle::before,
.service-card.active .service-toggle::after {
    background: var(--color-white);
}

.service-card.active .service-toggle::after {
    transform: rotate(90deg);
    opacity: 0;
}

.service-card-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.service-card.active .service-card-body {
    max-height: 200px;
}

.service-card-body p {
    padding: 0 1.5rem 2rem;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    text-align: center;
}

/* --- Diagonal accent on cards --- */
.service-card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    opacity: 0;
    transition: all var(--transition);
}

.service-card:hover .service-card-header::after,
.service-card.active .service-card-header::after {
    opacity: 1;
    width: 60px;
}

/* --- Stats --- */
.stats {
    background: linear-gradient(160deg, #111111, #1a1a1a, #2a2a2a);
    padding: 5rem 0;
}

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

.stat { padding: 2rem 1rem; }

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--color-primary-glow);
    line-height: 1;
}

.stat-suffix {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--color-primary);
}

.stat-label {
    display: block;
    margin-top: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-light);
}

/* --- Testimonial --- */
.testimonial {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-quote {
    color: var(--color-primary);
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.testimonial-quote svg { width: 48px; height: 48px; }

.testimonial blockquote p {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author { margin-top: 1.5rem; }

.testimonial-author strong {
    display: block;
    font-size: 1.0625rem;
    color: var(--color-dark);
}

.testimonial-author span {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* --- Contact --- */
.contact {
    background: linear-gradient(160deg, #111111, #1a1a1a);
}

.contact .section-label { color: var(--color-primary-glow); }
.contact .section-title { color: var(--color-white); }
.contact p { color: var(--color-text-light); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

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

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.0625rem;
    color: var(--color-text-on-dark);
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.08);
    transition: all var(--transition);
}

.contact-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-primary-glow);
}

.emergency-card {
    background: linear-gradient(135deg, rgba(244, 8, 8, 0.1), rgba(244, 8, 8, 0.04));
    border: 1px solid rgba(244, 8, 8, 0.2);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
}

.emergency-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin: 0 auto 1.25rem;
}

.emergency-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.emergency-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

/* --- Footer --- */
.footer {
    background: var(--color-darker);
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-brand img {
    height: 44px;
    width: auto;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* --- Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(26, 26, 26, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        gap: 0.25rem;
        transition: right var(--transition);
    }

    .nav-links.active { right: 0; }

    .nav-link {
        font-size: 1.125rem;
        padding: 0.75rem 0;
        width: 100%;
    }

    .nav-links .btn {
        margin-left: 0;
        margin-top: 1rem;
    }

    .hero-content { padding: 7rem 0 5rem; }
    .section { padding: 4rem 0; }
    .section-header { margin-bottom: 3rem; }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .services-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; gap: 1rem; }
    .stat { padding: 1.5rem 1rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
}