/* Marketingové kalkulačky SK/CZ - 2026 Modern Design */

:root {
    /* Dark Theme - Deep Ocean */
    --bg-dark: #1E293B;
    --bg-darker: #0F172A;
    --bg-card: rgba(30, 41, 59, 0.5);
    --bg-card-hover: rgba(51, 65, 85, 0.7);

    /* Ocean Blue Primary */
    --primary: #0EA5E9;
    --primary-light: #38BDF8;
    --primary-dark: #0284C7;

    /* Teal Accent */
    --accent: #14B8A6;
    --accent-light: #2DD4BF;
    --emerald-metallic: linear-gradient(135deg, #0D9488 0%, #14B8A6 40%, #2DD4BF 80%, #5EEAD4 100%);

    /* Professional Accents */
    --cyan: #06B6D4;
    --purple: #8B5CF6;
    --pink: #EC4899;
    --amber: #F59E0B;

    /* Text */
    --text-white: #F8FAFC;
    --text-gray-100: #F1F5F9;
    --text-gray-300: #CBD5E1;
    --text-gray-400: #94A3B8;
    --text-gray-500: #64748B;

    /* Semantic */
    --success: #14B8A6;
    --warning: #F59E0B;
    --danger: #EF4444;

    /* Glass Effect - Enhanced */
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-bg-strong: rgba(255, 255, 255, 0.09);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-strong: rgba(255, 255, 255, 0.16);

    /* Typography - Outfit */
    --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows with Ocean Glow */
    --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.35), 0 0 60px rgba(14, 165, 233, 0.12);
    --shadow-glow-emerald: 0 0 30px rgba(20, 184, 166, 0.35), 0 0 60px rgba(20, 184, 166, 0.12);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.45), 0 10px 10px -5px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.65), 0 0 80px rgba(14, 165, 233, 0.08);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    background:
        radial-gradient(circle at 0% 0%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-gray-100);
    line-height: 1.6;
    font-size: 16px;
    min-height: 100vh;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1,
h2,
h3,
h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--text-white);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    margin-bottom: var(--space-lg);
}

.section-title {
    margin-top: clamp(1.5rem, 5vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-gray-300);
}

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

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

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

main {
    flex: 1;
    width: 100%;
}

/* Header - Enhanced Glassmorphism */
header {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border-strong);
    padding: var(--space-lg) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.375rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.logo svg {
    width: 28px;
    height: 28px;
    color: var(--primary);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-gray-300);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--cyan) 100%);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--text-white);
    background: var(--glass-bg);
}

.nav-link:hover::before {
    transform: translateX(-50%) scaleX(1);
}

.nav-link.active {
    color: var(--primary-light);
    background: rgba(59, 130, 246, 0.1);
}

.mobile-menu-toggle {
    display: none; /* Schová sa na počítači */
    background: none;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 10001; /* Aby bolo nad všetkým */
}

/* Toto zabezpečí, že sa na mobile objaví */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block !important;
        position: relative;
    }
}


/* Hero */
.hero {
    text-align: center;
    padding: clamp(1.5rem, 6vw, 3rem) var(--space-lg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 12s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hero>* {
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-gray-300);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base);
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary-light);
}

.btn-outline:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary-light);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-gray-100);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-border);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Grid */
.calculator-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: clamp(1rem, 3vw, var(--space-xl));
    padding: 0 0 clamp(2rem, 5vw, var(--space-2xl));
}

@media (min-width: 640px) {
    .calculator-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .calculator-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Cards - Enhanced Glassmorphism */
.card {
    background: linear-gradient(135deg,
            rgba(30, 41, 59, 0.4) 0%,
            rgba(15, 23, 42, 0.3) 100%);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
            var(--primary) 0%,
            var(--cyan) 33%,
            var(--purple) 66%,
            var(--pink) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle,
            rgba(79, 143, 247, 0.1) 0%,
            transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    z-index: -1;
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
    background: linear-gradient(135deg,
            rgba(30, 41, 59, 0.7) 0%,
            rgba(15, 23, 42, 0.6) 100%);
    box-shadow: 0 20px 60px 0 rgba(0, 0, 0, 0.4),
        0 0 80px rgba(79, 143, 247, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border-strong);
}

.card:hover::before {
    opacity: 1;
}

.card:hover::after {
    opacity: 1;
}

.card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(79, 143, 247, 0.4),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    position: relative;
}

.card-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-light), var(--cyan), var(--primary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(79, 143, 247, 0.6),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

.card:hover .card-icon::before {
    opacity: 1;
}

.card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--text-white);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-white);
}

.card-desc {
    line-height: 1.6;
}

.card-cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
}

.card:hover .card-cta {
    color: var(--text-white);
    gap: 0.75rem;
}

.card-cta svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.card:hover .card-cta svg {
    transform: translateX(4px);
}

/* Calculator Layout */
.calc-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin: var(--space-xl) 0;
}

@media (min-width: 768px) {
    .calc-layout {
        grid-template-columns: 1.5fr 1fr;
    }
}

.calc-form {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
}

.calc-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* Filter Buttons in Glossary */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

/* SEO Section Layout */
.seo-section {
    margin-top: 4rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 3rem;
}

.seo-section h2 {
    color: var(--text-white);
    margin-bottom: 2rem;
    font-size: 1.75rem;
}

.seo-section h3 {
    color: var(--text-white);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.faq-item {
    margin-bottom: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-item summary {
    padding: 1.25rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-white);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.faq-item summary:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 400;
}

.faq-item details[open] summary::after {
    content: '-';
}

.faq-item p {
    padding: 0 1.25rem 1.25rem 1.25rem;
    margin: 0;
    color: var(--text-gray-300);
    line-height: 1.6;
    font-size: 0.9375rem;
    border-top: 1px solid transparent;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.related-card h4 {
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.related-card p {
    color: var(--text-gray-400);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.related-link {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-white);
    font-size: 0.9375rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem var(--space-md);
    background: rgba(15, 23, 42, 0.5);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-white);
    font-family: var(--font-main);
    transition: all var(--transition-fast);
    min-height: 44px;
}

.form-input::placeholder {
    color: var(--text-gray-500);
}

.form-input:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), var(--shadow-glow);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-gray-400);
    margin-top: var(--space-xs);
}

/* Result Cards */
.result-card {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: var(--text-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.result-card>* {
    position: relative;
    z-index: 1;
}

.result-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.result-value {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 800;
    margin: var(--space-sm) 0;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.evaluation-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    margin-top: var(--space-sm);
    backdrop-filter: blur(10px);
}

.evaluation-badge.good {
    background: rgba(16, 185, 129, 0.3);
    border: 1px solid var(--success);
    color: var(--success);
}

.evaluation-badge.average {
    background: rgba(245, 158, 11, 0.3);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.evaluation-badge.bad {
    background: rgba(239, 68, 68, 0.3);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* Educational Section */
.educational-section {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

.educational-section h3 {
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.educational-section h4 {
    font-size: 0.9375rem;
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    color: var(--primary-light);
    font-weight: 600;
}

.educational-section p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--text-gray-300);
}

.educational-section code {
    background: rgba(15, 23, 42, 0.8);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', monospace;
    font-size: 0.875rem;
    display: block;
    margin: var(--space-md) 0;
    border: 1px solid var(--glass-border);
    color: var(--cyan);
}

.educational-section ul {
    padding-left: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--text-gray-300);
}

/* Coming Soon & Lead Gen */
.upcoming-section {
    position: relative;
    padding: 6rem 0;
    margin: 0rem 0 0rem;
    overflow: hidden;
    background: #020617;
    border-top: 1px solid var(--glass-border);
}

.upcoming-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 50%, rgba(79, 143, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(192, 132, 252, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(20, 184, 138, 0.1) 0%, transparent 50%);
    animation: meshMove 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes meshMove {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(5%, -5%) rotate(1deg);
    }
    66% {
        transform: translate(-5%, 5%) rotate(-1deg);
    }
}

.upcoming-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(10, 14, 26, 0.3) 50%, transparent 100%);
    pointer-events: none;
}

.coming-soon-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    color: var(--text-white);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(79, 143, 247, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(79, 143, 247, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(79, 143, 247, 0.6);
    }
}

.lead-card {
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg,
            rgba(30, 41, 59, 0.5) 0%,
            rgba(15, 23, 42, 0.4) 100%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-2xl);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow:
        0 20px 60px 0 rgba(0, 0, 0, 0.4),
        0 0 100px rgba(79, 143, 247, 0.1),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.lead-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: rotate 30s linear infinite;
}

.lead-card:hover {
    transform: translateY(-8px);
    box-shadow:
        0 30px 80px 0 rgba(0, 0, 0, 0.5),
        0 0 120px rgba(79, 143, 247, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.15);
    border-color: rgba(79, 143, 247, 0.3);
}

.lead-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
    flex-wrap: wrap;
    justify-content: center;
}

.lead-form .form-input {
    flex: 1;
    min-width: 250px;
    background: rgba(10, 14, 26, 0.6);
    border: 2px solid var(--glass-border-strong);
    backdrop-filter: blur(10px);
}

.lead-form .form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 143, 247, 0.2), 0 0 20px rgba(79, 143, 247, 0.3);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    text-align: center;
    padding: 1.5rem;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--primary-light);
}

/* Feedback */
.feedback-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    margin-top: var(--space-lg);
}

.feedback-text {
    font-size: 0.9375rem;
    color: var(--text-gray-300);
}

.feedback-buttons {
    display: flex;
    gap: var(--space-sm);
}

.feedback-btn {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.feedback-btn svg {
    width: 20px;
    height: 20px;
    color: var(--text-gray-400);
    transition: color var(--transition-fast);
}

.feedback-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    transform: scale(1.1);
}

.feedback-btn:hover svg {
    color: var(--primary);
}

.feedback-btn.active-up {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--success);
}

.feedback-btn.active-up svg {
    color: var(--success);
}

.feedback-btn.active-down {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--danger);
}

.feedback-btn.active-down svg {
    color: var(--danger);
}

/* Footer */
footer {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    color: var(--text-gray-400);
    padding: var(--space-2xl) 0 var(--space-xl);
    margin-top: auto; /* Push footer to bottom */
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-section h4 {
    color: var(--text-white);
    margin-bottom: var(--space-md);
}

.footer-link {
    color: var(--text-gray-400);
    display: block;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary-light);
}

/* Breadcrumbs */
.breadcrumbs {
    margin: var(--space-xl) 0;
    font-size: 0.875rem;
    color: var(--text-gray-400);
}

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

/* Utility */
.text-center {
    text-align: center;
}

/* Rich Footer */

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-gray-400);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-gray-400);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-light);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-gray-500);
    font-size: 0.875rem;
}

/* Enhanced Benefits Section */
.benefits-wrapper {
    margin: 5rem 0;
    position: relative;
}

.benefits-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 143, 247, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.benefit-item {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.3) 100%);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

.benefit-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.benefit-item:hover {
    transform: translateY(-8px);
    border-color: var(--glass-border-strong);
    box-shadow: 0 20px 60px 0 rgba(0, 0, 0, 0.3),
        0 0 80px rgba(79, 143, 247, 0.15),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.benefit-item:hover::before {
    opacity: 1;
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 32px rgba(79, 143, 247, 0.3),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    position: relative;
}

.benefit-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--primary-light), transparent, var(--cyan));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
    filter: blur(8px);
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 16px 48px rgba(79, 143, 247, 0.5),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

.benefit-item:hover .benefit-icon::after {
    opacity: 1;
}

.benefit-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-white);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Mobile */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Odstránili sme !important, aby sa to dalo prepísať */
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        width: 100% !important;
        height: auto !important;
        background: #0f172a !important;
        flex-direction: column !important;
        padding: 20px !important;
        z-index: 9999 !important;
        border-bottom: 1px solid rgba(255,255,255,0.1) !important;
    }

    .nav-menu.active {
        display: flex !important; /* Tento !important teraz správne zapne menu */
    }

    .nav-link {
        display: block !important;
        padding: 15px 0 !important;
        color: white !important;
        font-size: 1.2rem !important;
    }
}

    .header-content {
        position: relative;
    }


    .lead-card {
        padding: 2rem 1.5rem !important;
        margin: 0 1rem;
        overflow: hidden;
    }

    .lead-card::after,
    .lead-card::before {
        display: none;
    }

    .upcoming-section {
        padding: 3rem 0;
        margin: 0rem 0 0rem;
    }

    .upcoming-section::before {
        animation: none;
        background: radial-gradient(circle at 50% 50%, rgba(79, 143, 247, 0.1) 0%, transparent 70%);
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .seo-section {
        margin-top: 3rem;
        padding-top: 2rem;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .lead-form {
        flex-direction: column;
    }

    .lead-form .form-input {
        min-width: 100%;
    }
}

/* ========================================
   FIX: Empty Cards Bug
   ======================================== */

/* Remove grid pseudo-elements that might create visual artifacts */
.calculator-grid::before,
.calculator-grid::after {
    content: none !important;
    display: none !important;
}

/* BURGER - MAXIMUM PRIORITY FIX */
header .mobile-menu-toggle {
    display: none;
    background: none !important;
    border: none !important;
    cursor: pointer !important;
    padding: 0.5rem !important;
    width: 44px !important;
    height: 44px !important;
}

header .mobile-menu-toggle svg {
    width: 24px !important;
    height: 24px !important;
    color: #fff !important;
}

@media (max-width: 768px) {
    header .mobile-menu-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        z-index: 10001 !important;
    }
    
    header .nav-menu {
        display: none !important;
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        background: rgba(15, 23, 42, 0.98) !important;
        backdrop-filter: blur(20px) !important;
        flex-direction: column !important;
        padding: 1.5rem 0 !important;
        z-index: 10000 !important;
    }
    
    header .nav-menu.active {
        display: flex !important;
    }
    
    header .nav-menu .nav-link {
        display: block !important;
        padding: 1rem 1.5rem !important;
        width: 100% !important;
        text-align: left !important;
        border-bottom: 1px solid rgba(255,255,255,0.1) !important;
    }
}