/**
 * MASTER TEMPLATE - Base Stylesheet
 * ==================================
 * 
 * CSS Custom Properties (proměnné) pro snadnou customizaci.
 * Tyto hodnoty se automaticky aplikují přes Tailwind config.
 * 
 * Pro ruční úpravu: změňte hodnoty v :root sekci.
 */

/* =========================================
   CSS CUSTOM PROPERTIES
   ========================================= */

:root {
    /* Primární barvy */
    --color-primary: #003625;
    --color-primary-hover: #002a1d;
    
    /* Akcentové barvy */
    --color-accent: #8a5a1a;
    --color-accent-light: #dca753;
    --color-accent-hover: #704a15;
    --color-accent-bg: rgba(138, 90, 26, 0.15);
    
    /* Textové barvy */
    --color-text-dark: #1e293b;
    --color-text-muted: #64748b;
    --color-text-light: #ffffff;
    
    /* Pozadí */
    --color-bg-light: #ffffff;
    --color-bg-alt: #f8fafc;
    
    /* Borders */
    --color-border-light: #e2e8f0;
    --color-border-dark: rgba(255, 255, 255, 0.1);
    
    /* Typografie */
    --font-sans: 'Argentum Sans', system-ui, -apple-system, sans-serif;
    --font-serif: 'Argentum Sans', system-ui, -apple-system, sans-serif;
    
    /* Spacing */
    --nav-height: 80px;
    --section-padding-y: 6rem;
    --container-max-width: 80rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-full: 9999px;
}

/* Gradient text effect */
.text-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #8a5a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}


/* =========================================
   CUSTOM FONT FACE
   ========================================= */

@font-face {
    font-family: 'Argentum Sans';
    src: url('/fonts/ArgentumSans-Variable.woff2') format('woff2-variations'),
         url('/fonts/ArgentumSans-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}


/* =========================================
   BASE STYLES
   ========================================= */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* =========================================
   FOCUS STATES (Accessibility)
   ========================================= */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}


/* =========================================
   BUTTON STYLES
   ========================================= */

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    transition: background-color var(--transition-fast);
}

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

.btn-ghost {
    background-color: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    transition: all var(--transition-fast);
}

.btn-ghost:hover {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.btn-ghost-light {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.btn-ghost-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
}


/* =========================================
   NAVIGATION
   ========================================= */

.nav-link {
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

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

.nav-link-active {
    color: var(--color-accent-light);
    font-weight: 600;
}


/* =========================================
   MOBILE MENU
   ========================================= */

.mobile-menu {
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.mobile-menu.open {
    transform: translateX(0);
}


/* =========================================
   INTERACTIVE CARDS
   ========================================= */

.interactive-card {
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

.interactive-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}


/* =========================================
   TABS
   ========================================= */

.tab-btn {
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
}

.tab-btn.active-tab {
    border-bottom-color: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
}


/* =========================================
   SOLUTION BUTTONS (Dark Background)
   ========================================= */

.solution-btn {
    border-left: 4px solid transparent;
    transition: all var(--transition-fast);
}

.solution-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.solution-btn.active-btn {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--color-accent-hover);
}


/* =========================================
   FAQ ACCORDION
   ========================================= */

.faq-icon {
    transition: transform var(--transition-normal);
}

.faq-trigger[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

/* Concerns accordion (Co vás možná napadlo) */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
    padding-top: 0;
    padding-bottom: 0;
}

.open .accordion-content {
    max-height: 200px;
    padding-top: 0.5rem;
    padding-bottom: 1.25rem;
    display: block;
}

.open .accordion-icon {
    transform: rotate(180deg);
}


/* =========================================
   CSS BAR CHART
   ========================================= */

.chart-container-css {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

.chart-bar-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chart-bar-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chart-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.chart-bar-container {
    height: 40px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.chart-bar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.75rem;
    border-radius: var(--radius-md);
    transition: width 1s ease-out;
    min-width: 80px;
}

.chart-bar-gray {
    background-color: #cbd5e1;
}

.chart-bar-accent {
    background-color: var(--color-accent);
}

.chart-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

.chart-bar-accent .chart-value {
    color: var(--color-text-light);
}

.chart-axis {
    display: flex;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border-light);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}


/* =========================================
   COOKIE BANNER
   ========================================= */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-light);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    z-index: 9999;
}

.cookie-banner.show {
    transform: translateY(0);
}


/* =========================================
   CASE STUDY TABS
   ========================================= */

.case-tab {
    color: rgba(255, 255, 255, 0.6);
    background-color: transparent;
    transition: all var(--transition-fast);
}

.case-tab:hover {
    color: var(--color-text-light);
    background-color: rgba(255, 255, 255, 0.1);
}

.case-tab.active-case-tab {
    color: var(--color-primary);
    background-color: var(--color-bg-light);
    font-weight: 600;
}


/* =========================================
   DECORATIVE ELEMENTS
   ========================================= */

.corner-decoration-tl {
    position: absolute;
    top: -12px;
    left: -12px;
    width: 64px;
    height: 64px;
    border-left: 4px solid var(--color-accent);
    border-top: 4px solid var(--color-accent);
    border-top-left-radius: var(--radius-sm);
}

.corner-decoration-br {
    position: absolute;
    bottom: -12px;
    right: -12px;
    width: 64px;
    height: 64px;
    border-right: 4px solid var(--color-accent);
    border-bottom: 4px solid var(--color-accent);
    border-bottom-right-radius: var(--radius-sm);
}


/* =========================================
   ANIMATIONS
   ========================================= */

.fade-in {
    animation: fadeIn 0.6s ease-out both;
}

.fade-in-delay {
    animation: fadeIn 0.6s ease-out 0.3s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    animation: scaleIn 0.5s ease-out both;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}


/* =========================================
   UTILITY CLASSES
   ========================================= */

.text-primary {
    color: var(--color-primary);
}

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

.text-accent-light {
    color: var(--color-accent-light);
}

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

.bg-accent {
    background-color: var(--color-accent);
}

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

.border-accent-light {
    border-color: var(--color-accent-light);
}


/* =========================================
   SECTION TITLE UNDERLINE
   ========================================= */

.section-title-underline {
    position: relative;
    display: inline-block;
    padding-bottom: 1rem;
}

.section-title-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 2px;
    background-color: var(--color-accent-hover);
}


/* =========================================
   EXPERIMENTAL - BARRIER CARDS (Znáte to...)
   ========================================= */

.glass-barrier-card {
    position: relative;
    background: white;
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-top: 4px solid var(--color-accent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.glass-barrier-card:hover {
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(138, 90, 26, 0.06);
    border-left-color: rgba(138, 90, 26, 0.35);
    border-right-color: rgba(138, 90, 26, 0.35);
    border-bottom-color: rgba(138, 90, 26, 0.35);
}

/* Sibling cards fade when one is hovered */
.grid:has(.glass-barrier-card:hover) .glass-barrier-card:not(:hover) {
    border-top-color: rgba(138, 90, 26, 0.35);
}

/* Icon container - subtle glow + border */
.glass-barrier-card .card-icon {
    transition: background 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 0 0 0 transparent;
}

.glass-barrier-card:hover .card-icon {
    background: rgba(138, 90, 26, 0.18);
    box-shadow: 0 0 0 2px var(--color-accent);
}

/* Arrow hint - gentle slide */
.glass-barrier-card .card-hint {
    transition: color 0.3s ease;
}

.glass-barrier-card:hover .card-hint {
    color: var(--color-accent-hover);
}


/* =========================================
   CONTRAST CARDS (Pro koho NE / ANO)
   ========================================= */

.contrast-card {
    background: white;
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-left-width: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

/* Červená varianta (NE) */
.contrast-card-red {
    border-left-color: #f87171;
}

.contrast-card-red:hover {
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(248, 113, 113, 0.1);
    border-left-color: #ef4444;
}

.contrast-card-red .card-header-icon {
    transition: box-shadow 0.3s ease;
}

.contrast-card-red:hover .card-header-icon {
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

/* Zelená varianta (ANO) */
.contrast-card-green {
    border-left-color: #22c55e;
}

.contrast-card-green:hover {
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(34, 197, 94, 0.1);
    border-left-color: #16a34a;
}

.contrast-card-green .card-header-icon {
    transition: box-shadow 0.3s ease;
}

.contrast-card-green:hover .card-header-icon {
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
}


/* =========================================
   TRANSFORM CARDS (Před / Po)
   ========================================= */

.transform-card {
    padding: 2rem;
    border-radius: 4px;
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.transform-card .card-icon {
    transition: box-shadow 0.3s ease;
}

/* PŘED - tlumená varianta */
.transform-card-before {
    background: rgba(226, 232, 240, 0.5);
    border: 1px solid rgba(203, 213, 225, 0.8);
}

.transform-card-before:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.transform-card-before:hover .card-icon {
    box-shadow: 0 0 12px rgba(148, 163, 184, 0.5);
}

/* PO - výrazná varianta */
.transform-card-after {
    background: white;
    border: 2px solid rgba(138, 90, 26, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.transform-card-after:hover {
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(138, 90, 26, 0.15);
    border-color: rgba(138, 90, 26, 0.4);
}

.transform-card-after:hover .card-icon {
    box-shadow: 0 0 16px rgba(138, 90, 26, 0.5);
}


/* =========================================
   FAQ ACCORDION
   ========================================= */

.faq-item {
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 4px;
    overflow: hidden;
    border-left: 3px solid transparent;
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border-left-color: var(--color-accent);
}

.faq-item.open {
    border-left-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.faq-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    background: rgba(248, 250, 252, 0.8);
    text-align: left;
    transition: background 0.3s ease;
}

.faq-button:hover {
    background: rgba(241, 245, 249, 1);
}

.faq-icon {
    color: rgba(148, 163, 184, 1);
    transition: 
        transform 0.3s ease,
        color 0.3s ease,
        filter 0.3s ease;
}

.faq-item:hover .faq-icon {
    color: var(--color-accent);
}

.faq-item.open .faq-icon {
    transform: rotate(180deg);
    color: var(--color-accent);
    filter: drop-shadow(0 0 4px rgba(138, 90, 26, 0.4));
}


/* =========================================
   PROCESS STEPS (Jak setkání fungují)
   ========================================= */

.process-step {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: 
        background 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.process-step:hover {
    background: rgba(0, 0, 0, 0.15);
    border-color: var(--color-accent-light);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.process-step .step-icon {
    transition: 
        box-shadow 0.3s ease,
        background 0.3s ease,
        transform 0.3s ease;
}

.process-step:hover .step-icon {
    box-shadow: 0 0 20px rgba(220, 167, 83, 0.4);
    background: rgba(220, 167, 83, 0.15);
    transform: scale(1.05);
}


/* =========================================
   SERVICE TABS (Jak setkání fungují)
   ========================================= */

.service-tab {
    width: 100%;
    text-align: left;
    padding: 1.25rem;
    border-radius: 4px;
    border-left: 4px solid transparent;
    background: transparent;
    transition: 
        background 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.service-tab:hover {
    background: rgba(255, 255, 255, 0.08);
}

.service-tab.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--color-accent-light);
    box-shadow: 0 0 20px rgba(220, 167, 83, 0.15);
}

.service-tab .tab-title {
    transition: color 0.3s ease;
}

.service-tab:hover .tab-title,
.service-tab.active .tab-title {
    color: var(--color-accent-light);
}

.service-tab .tab-arrow {
    transition: transform 0.3s ease, color 0.3s ease;
}

.service-tab:hover .tab-arrow {
    transform: translateX(3px);
    color: white;
}

.service-tab.active .tab-arrow {
    color: var(--color-accent-light);
}


/* =========================================
   CTA BUTTON - DARK BACKGROUND
   ========================================= */

.btn-cta-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: transparent;
    border: 1px solid var(--color-accent-light);
    border-radius: 3px;
    color: var(--color-accent-light);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease;
}

.btn-cta-dark:hover {
    transform: translateY(-2px);
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: white;
    box-shadow: 
        0 8px 24px rgba(138, 90, 26, 0.35),
        0 0 20px rgba(220, 167, 83, 0.2);
}

.btn-cta-dark:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(138, 90, 26, 0.25);
}


/* =========================================
   CTA BUTTON - LIGHT BACKGROUND (panel)
   ========================================= */

.btn-cta-panel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: 1px solid var(--color-accent);
    border-radius: 3px;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.25s ease,
        color 0.25s ease;
}

.btn-cta-panel:hover {
    transform: translateY(-2px);
    background: var(--color-accent);
    color: white;
    box-shadow: 
        0 6px 20px rgba(138, 90, 26, 0.25),
        0 2px 8px rgba(138, 90, 26, 0.15);
}

.btn-cta-panel:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(138, 90, 26, 0.2);
}

.btn-cta-panel svg {
    transition: transform 0.25s ease;
}

.btn-cta-panel:hover svg {
    transform: translateX(3px);
}


/* =========================================
   REASON CARDS (Proč Cech vznikl)
   ========================================= */

.reason-card {
    background: white;
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-left: 4px solid var(--color-accent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.reason-card:hover {
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(138, 90, 26, 0.08);
    border-left-color: var(--color-accent-hover);
    border-top-color: rgba(138, 90, 26, 0.35);
    border-right-color: rgba(138, 90, 26, 0.35);
    border-bottom-color: rgba(138, 90, 26, 0.35);
}

/* Sibling cards fade when one is hovered */
.grid:has(.reason-card:hover) .reason-card:not(:hover) {
    border-left-color: rgba(138, 90, 26, 0.35);
}

.reason-card .card-icon {
    transition: filter 0.3s ease;
}

.reason-card:hover .card-icon {
    filter: drop-shadow(0 0 8px rgba(138, 90, 26, 0.4));
}


/* =========================================
   MEMBERSHIP CARDS (Podmínky členství)
   ========================================= */

.membership-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-top: 4px solid var(--color-accent);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: 
        box-shadow 0.3s ease,
        border-color 0.3s ease,
        transform 0.3s ease,
        background 0.3s ease;
    height: 100%;
}

.membership-card:hover {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.1),
        0 2px 8px rgba(138, 90, 26, 0.08);
    border-left-color: rgba(138, 90, 26, 0.35);
    border-right-color: rgba(138, 90, 26, 0.35);
    border-bottom-color: rgba(138, 90, 26, 0.35);
    transform: translateY(-4px);
}

/* Sibling cards fade when one is hovered */
.grid:has(.membership-card:hover) .membership-card:not(:hover) {
    border-top-color: rgba(138, 90, 26, 0.35);
}

.membership-card .card-icon {
    background: white;
    transition: filter 0.3s ease, background 0.3s ease;
}

.membership-card .card-title {
    color: var(--color-primary);
}

.membership-card .card-text {
    color: #1e293b; /* slate-800 - zvýšený kontrast pro accessibility (4.5:1+) */
}

.membership-card:hover .card-icon {
    filter: drop-shadow(0 0 8px rgba(138, 90, 26, 0.4));
}


/* =========================================
   ENTRY STEPS (Jak se stát členem)
   ========================================= */

.entry-step {
    text-align: center;
    padding: 1.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    transition: 
        background 0.3s ease,
        border-color 0.3s ease;
}

.entry-step:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(138, 90, 26, 0.35);
}

.entry-step .step-icon {
    transition: filter 0.3s ease, background 0.3s ease;
}

.entry-step:hover .step-icon {
    background: var(--color-accent);
    filter: drop-shadow(0 0 10px rgba(138, 90, 26, 0.5));
}

.entry-step:hover .step-icon svg {
    color: white;
}

/* Sibling steps fade when one is hovered */
.grid:has(.entry-step:hover) .entry-step:not(:hover) {
    opacity: 0.5;
}


/* =========================================
   GLASS CARDS - DARK BACKGROUND (Kuchyně)
   ========================================= */

.glass-card-dark {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    padding: 1.5rem;
    transition: 
        background 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.glass-card-dark:hover {
    background: rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Icon in glass card */
.glass-card-dark .glass-icon {
    transition: 
        border-color 0.3s ease,
        background 0.3s ease,
        box-shadow 0.3s ease,
        transform 0.3s ease;
}

.glass-card-dark:hover .glass-icon {
    border-color: var(--color-accent-light);
    background: rgba(220, 167, 83, 0.15);
    box-shadow: 0 0 20px rgba(220, 167, 83, 0.4);
    transform: scale(1.08);
}


/* =========================================
   EXPERIMENTAL - GLASS QUOTE CARD
   ========================================= */

.glass-quote-card {
    position: relative;
    background: linear-gradient(135deg, 
        rgba(248, 250, 252, 0.95) 0%, 
        rgba(241, 245, 249, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(138, 90, 26, 0.15);
    border-radius: 4px;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: 
        transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.3s ease;
    overflow: hidden;
}

.glass-quote-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(138, 90, 26, 0.05) 0%,
        transparent 50%,
        rgba(138, 90, 26, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-quote-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 12px 30px rgba(0, 0, 0, 0.1),
        0 4px 10px rgba(138, 90, 26, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(138, 90, 26, 0.25);
}

.glass-quote-card:hover::before {
    opacity: 1;
}


/* =========================================
   EXPERIMENTAL - CTA BUTTON GLASS STYLE
   ========================================= */

.btn-cta-glass {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: transparent;
    border: 1px solid var(--color-primary);
    border-radius: 3px;
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    overflow: hidden;
    transition: 
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        background 0.25s ease,
        color 0.25s ease,
        border-color 0.25s ease;
}

/* Subtle glow on hover */
.btn-cta-glass::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, 
        rgba(0, 54, 37, 0.1) 0%,
        rgba(138, 90, 26, 0.15) 100%);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: -1;
}

.btn-cta-glass:hover {
    transform: translateY(-2px);
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 
        0 6px 20px rgba(0, 54, 37, 0.25),
        0 2px 8px rgba(0, 54, 37, 0.15);
}

.btn-cta-glass:hover::before {
    opacity: 1;
}

.btn-cta-glass:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 54, 37, 0.2);
}

/* Icon animation */
.btn-cta-glass svg {
    transition: transform 0.25s ease;
}

.btn-cta-glass:hover svg {
    transform: translateX(3px);
}


/* =========================================
   FORM INPUTS (Glassmorphism)
   ========================================= */

.form-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(226, 232, 240, 0.8);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--color-primary);
    transition: 
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        background 0.3s ease;
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input:hover {
    border-color: rgba(138, 90, 26, 0.3);
}

.form-input:focus {
    outline: none;
    background: white;
    border-color: var(--color-accent);
    box-shadow: 
        0 0 0 3px rgba(138, 90, 26, 0.15),
        0 4px 12px rgba(138, 90, 26, 0.1);
}

.form-input:focus::placeholder {
    opacity: 0.5;
}


/* =========================================
   FOOTER LOGO
   ========================================= */

.footer-logo {
    display: inline-block;
    transition: 
        transform 0.3s ease,
        filter 0.3s ease;
}

.footer-logo:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 4px 12px rgba(138, 90, 26, 0.25));
}


/* =========================================
   RESPONSIVE ADJUSTMENTS
   ========================================= */

@media (max-width: 768px) {
    :root {
        --section-padding-y: 4rem;
    }
}