/* ===================================
   POLOŽPOLYS - Landing Page Styles
   Hlavní akcentní barva: #2D6E49 (zelená z loga)
   =================================== */

/* CSS Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Barvy */
    --color-primary: #2D6E49;
    --color-primary-dark: #245839;
    --color-primary-light: #3A8E5E;
    --color-white: #FFFFFF;
    --color-background: #FAFAFA;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E0E0E0;

    /* Typografie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Section Base */
section {
    padding: var(--spacing-xl) 0;
}

/* Section Title */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--radius-sm);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-lg);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/hero/IMG_4922.JPEG') center/cover no-repeat;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
}

.hero-logo {
    width: 196px;
    height: auto;
    margin: 0 auto var(--spacing-lg);
    background: #FFFFFF;
    border-radius: 50%;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-motto {
    font-size: clamp(1.5rem, 6vw, 8.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: #FFFFFF;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);
    text-transform: uppercase;
    text-align: center;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 2.24rem);
    font-weight: 500;
    color: #FFFFFF;
    margin-bottom: var(--spacing-xl);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    text-align: center;
}

/* Primary Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 1.15rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

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

.btn-primary svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   PROOF SECTION (Důkaz kvality)
   =================================== */
.proof-section {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.proof-content {
    max-width: 700px;
    margin: 0 auto;
}

.proof-number {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.proof-label {
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.proof-description {
    font-size: 1.2rem;
    opacity: 0.85;
    line-height: 1.6;
}

/* ===================================
   SOCIAL SECTION
   =================================== */
.social-section {
    background: var(--color-background);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.social-text {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

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

.social-btn svg {
    width: 22px;
    height: 22px;
}

/* GDPR Consent */
.gdpr-consent {
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-align: center;
}

/* Footer additions */
.footer-note {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.footer-legal {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

/* ===================================
   O SLUŽBĚ SECTION
   =================================== */
.about-service {
    background: var(--color-background);
}

.about-intro {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.benefit-text {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===================================
   GALLERY SECTION
   =================================== */
.gallery {
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
            transparent 60%,
            rgba(45, 110, 73, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ===================================
   CONTACT FORM SECTION
   =================================== */
.contact-form-section {
    background: var(--color-background);
    padding: var(--spacing-xxl) 0;
}

.contact-intro {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-family);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(45, 110, 73, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-sm);
    padding: 1rem var(--spacing-lg);
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}

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

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--spacing-lg);
    }
}

/* ===================================
   ABOUT & SOCIAL SECTION
   =================================== */
.about-social {
    background: var(--color-background);
    text-align: center;
}

.brand-name {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.social-intro {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-white);
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.social-link svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   FOOTER / CONTACT
   =================================== */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col {
    flex: 1;
}

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

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

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    margin-bottom: var(--spacing-md);
}

.footer-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-phone {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.footer-phone a {
    color: var(--color-white);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.footer-phone a:hover {
    opacity: 0.85;
    color: var(--color-white);
}

.footer-email {
    font-size: 1rem;
}

.footer-email a {
    color: rgba(255, 255, 255, 0.9);
}

.footer-email a:hover {
    color: var(--color-white);
}

.footer-location {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.footer-location svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.footer-note {
    font-size: 0.95rem;
    opacity: 0.8;
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-normal);
}

.footer-social-link:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: scale(1.1);
}

.footer-social-link svg {
    width: 24px;
    height: 24px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-legal {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

/* Footer responsive */
@media (max-width: 768px) {
    .footer-columns {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .footer-col-left,
    .footer-col-right {
        text-align: center;
    }

    .footer-location {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* ===================================
   RESPONSIVE - Mobile First
   =================================== */
@media (max-width: 768px) {
    .hero {
        min-height: 100svh;
        padding: var(--spacing-md);
        width: 100%;
        overflow-x: hidden;
    }

    .hero-content {
        padding-left: 20px;
        padding-right: 20px;
        width: 100%;
        max-width: 100%;
    }

    .hero-logo {
        width: 157px;
        padding: 20px;
    }

    .hero-motto {
        font-size: 2rem;
        white-space: normal;
        word-wrap: break-word;
    }

    .hero-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }

    .btn-primary {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }

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

    .section-title {
        font-size: 1.5rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .gallery-item {
        border-radius: var(--radius-sm);
    }

    .brand-name {
        font-size: 2rem;
    }

    .footer-phone {
        font-size: 1.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* Utility for visible on focus (accessibility) */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}