:root {
    --bg-dark: #0a0a0a;
    --bg-card: rgba(20, 20, 20, 0.6);
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --brand-red: #e60000;
    --brand-red-glow: rgba(230, 0, 0, 0.35);
    --border-color: rgba(255, 255, 255, 0.08);
    --hover-bg: rgba(255, 255, 255, 0.05);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
}

/* ---------------- Ambient Animated Background ---------------- */
.ambient-background {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(circle at center, #111 0%, var(--bg-dark) 100%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.6;
}

.red-glow-top {
    top: -20vh;
    left: -10vw;
    width: 60vw;
    height: 60vh;
    background: var(--brand-red-glow);
    animation: drift 15s ease-in-out infinite alternate;
}

.red-glow-bottom {
    bottom: -20vh;
    right: -10vw;
    width: 50vw;
    height: 60vh;
    background: rgba(150, 0, 0, 0.25);
    animation: drift 20s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(10%, 15%) scale(1.1);
    }
}

/* ---------------- Navigation Menu ---------------- */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 10, 10, 0.75);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    font-family: 'Outfit', sans-serif;
    position: relative;
    z-index: 101;
}

.nav-n {
    color: var(--brand-red);
}

.nav-vest {
    color: var(--text-main);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    z-index: 101;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.mobile-menu-btn:hover {
    color: var(--brand-red);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    position: relative;
    padding: 0.25rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--brand-red);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-main);
}

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

.nav-link.active {
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Beta Badge */
.beta-badge {
    font-size: 0.6rem;
    font-weight: 800;
    background: var(--brand-red);
    color: white;
    padding: 1px 5px;
    border-radius: 4px;
    text-transform: uppercase;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.05em;
    display: inline-block;
    line-height: 1.4;
    position: relative;
    top: -1px;
}

/* Disclaimer Box */
.disclaimer-box {
    background: rgba(230, 0, 0, 0.08);
    border: 1px solid rgba(230, 0, 0, 0.2);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.disclaimer-icon {
    color: var(--brand-red);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.disclaimer-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ---------------- Main Layout ---------------- */
.main-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 2rem 60px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 1;
    animation: fadeUp 1s ease-out forwards;
}

.page-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
}

/* Flow Divider */
.flow-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 3rem 0;
}

/* ---- 1. Hero Section ---- */
.hero-section {
    text-align: center;
    padding: 2rem 0 1rem;
}

.hero-logo {
    display: inline-flex;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.logo-n { color: var(--brand-red); }
.logo-vest { color: var(--text-main); }

.hero-slogan {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Globálne utility triedy */
.highlight {
    color: var(--brand-red);
}

.headline {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
    max-width: 500px;
    margin: 0 auto 1rem auto;
}

/* ---- 2. F.I.R.E. Section ---- */
.fire-section {
    padding: 1rem 0;
}

.fire-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: linear-gradient(145deg, rgba(25,25,25,0.5) 0%, rgba(12,12,12,0.7) 100%);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(230, 0, 0, 0.12);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.fire-inner:hover {
    border-color: rgba(230, 0, 0, 0.3);
}

.fire-badge {
    display: inline-block;
    background: var(--brand-red);
    color: white;
    font-size: 0.65rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 1.25rem;
}

.fire-left h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.fire-left p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 340px;
}

.btn-fire {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--brand-red);
    color: white;
    text-decoration: none;
    padding: 0.9rem 1.75rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-fire:hover {
    background: #ff1a1a;
    box-shadow: 0 8px 25px rgba(230, 0, 0, 0.35);
}

.btn-fire i {
    transition: transform 0.3s ease;
}

.btn-fire:hover i {
    transform: translateX(5px);
}

/* Stats */
.fire-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-left: 1px solid var(--border-color);
    padding-left: 3rem;
}

.fire-stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ---- 3. Social Section ---- */
.social-section {
    text-align: center;
    padding: 1rem 0 2rem;
}

.social-intro {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.social-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.social-pill i {
    font-size: 1.1rem;
}

.social-pill:hover {
    background: rgba(230, 0, 0, 0.07);
    border-color: var(--brand-red);
    color: var(--text-main);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .fire-inner {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    .fire-right {
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 1.5rem;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    .fire-left p {
        max-width: 100%;
    }
    .hero-headline {
        font-size: clamp(2.5rem, 12vw, 5rem);
    }
}

.blog-container {
    max-width: 1200px;
}

.about-container {
    max-width: 1400px;
    padding-left: 3rem;
    padding-right: 3rem;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------------- Logo Section ---------------- */
.logo-wrapper {
    margin-bottom: 2rem;
    width: 100%;
    display: flex;
    justify-content: center;
    border-radius: 16px;
    background: #000000;
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.4s ease;
}

.logo-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(230, 0, 0, 0.2);
    border-color: rgba(230, 0, 0, 0.4);
}

.logo-crop-container {
    width: 100%;
    max-width: 150px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
}

/* Fallback/Placeholder ak chýba logo */
.logo-placeholder {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
}

.logo-placeholder h1 {
    font-size: 3rem;
    font-family: var(--font-heading);
    letter-spacing: 2px;
}

.logo-placeholder span {
    color: var(--brand-red);
}

.logo-placeholder p {
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.8;
}


/* .headline a .highlight sú definované v sekcii Hero Section vyššie */

/* ---------------- Social Links ---------------- */
.social-links-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

.social-card {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    transform: translateZ(0);
    /* Hardware acceleration */
}

/* Interaktívny gradient efekt na hover podľ kurzora (používa --mouse-x z JS) */
.social-card::after {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle 100px at center, rgba(230, 0, 0, 0.1) 0%, transparent 100%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

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

/* Červený okraj na hover (pôvodný efekt) */
.social-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--brand-red);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
    z-index: 2;
}

.icon-box {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-right: 1rem;
    transition: all 0.3s ease;
    z-index: 1;
}

.social-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
    z-index: 1;
}

.social-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
}

.social-handle {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.arrow-icon {
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    color: var(--brand-red);
    font-size: 1.2rem;
    z-index: 1;
}

/* Hover effects pre celý card */
.social-card:hover {
    background: var(--hover-bg);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.social-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.social-card:hover .icon-box {
    background: var(--brand-red);
    color: white;
    box-shadow: 0 0 15px var(--brand-red-glow);
}

.social-card:hover .arrow-icon {
    opacity: 1;
    transform: translateX(0);
}

.social-card:hover .social-handle {
    color: rgba(255, 255, 255, 0.8);
}

/* ---------------- Footer ---------------- */
.footer {
    width: 100%;
    padding: 1.25rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 10, 0.8);
}

/* ---------------- Responsive Design ---------------- */
@media (max-width: 600px) {
    .nav-container {
        padding: 0.85rem 1.25rem;
        justify-content: space-between;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        transform: translateY(-100%);
        transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s ease;
        z-index: 100;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        font-size: 1.8rem;
    }

    .main-container {
        padding: 5.5rem 1rem 1rem 1rem;
    }

    .logo-wrapper {
        padding: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .logo-crop-container {
        max-width: 130px;
    }

    .headline {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .social-links-container {
        gap: 0.65rem;
    }

    .social-card {
        padding: 0.85rem 1rem;
    }

    .icon-box {
        width: 38px;
        height: 38px;
        font-size: 1.15rem;
        margin-right: 0.85rem;
    }
}

/* ---------------- Blog List & Accordion ---------------- */
.blog-list {
    width: 100%;
}

.blog-wrapper {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
    width: 100%;
}

.blog-wrapper .social-card {
    border-radius: 14px;
    transition: all 0.3s ease;
}

.blog-wrapper.is-open .social-card {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-color: transparent;
    background: var(--hover-bg);
}

.blog-wrapper.is-open .social-card::before {
    transform: scaleY(1);
    transform-origin: top;
}

.blog-wrapper.is-open .accordion-arrow {
    transform: rotate(180deg);
}

.blog-date {
    font-size: 0.8rem;
    color: var(--brand-red);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.blog-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Accordion Content */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top: none;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    width: 100%;
    backdrop-filter: blur(5px);
}

.blog-wrapper.is-open .accordion-content {
    border-color: var(--border-color);
}

.accordion-inner {
    padding: 2rem;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.4s ease 0.1s;
}

.blog-wrapper.is-open .accordion-inner {
    opacity: 1;
    transform: translateY(0);
}

.blog-post-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.accordion-inner h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-top: 1rem;
    color: var(--text-main);
}

.accordion-inner p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.accordion-inner .highlight-text {
    font-family: var(--font-heading);
    color: var(--brand-red);
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Mobile responsive for accordion padding */
@media (max-width: 600px) {
    .accordion-inner {
        padding: 1.25rem;
    }

    .blog-post-title {
        font-size: 1.5rem;
    }
}

/* ---------------- About Me Page ---------------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 5rem;
    width: 100%;
    margin-top: 1rem;
    align-items: start;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

.about-image-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    position: relative;
    padding: 2rem;
}

/* Zachovalá logika organického tvaru pre fotku */
.organic-shape {
    width: 320px;
    height: 320px;
    background: var(--bg-card);
    border: 3px solid var(--brand-red);
    box-shadow: 0 0 35px var(--brand-red-glow);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    animation: morph 12s ease-in-out infinite; /* spomalenejsi pulz */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

.organic-shape:hover {
    box-shadow: 0 0 50px rgba(230, 0, 0, 0.5);
    transform: scale(1.02);
}

.organic-shape img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 20% 50%;
    display: block;
}

.organic-shape i {
    font-size: 6rem;
    color: var(--text-muted);
}

@keyframes morph {
    0%, 100% {
        border-radius: 40% 60% 70% 30% / 40% 40% 60% 50%;
    }
    34% {
        border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
    }
    67% {
        border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%;
    }
}

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

.about-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: var(--text-main);
    line-height: 1.1;
}

.about-bio {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.about-bio strong {
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 600;
}

.about-socials {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

/* ---------------- Calculator FAB & Modal ---------------- */
.calculator-fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--brand-red);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--brand-red-glow);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculator-fab:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 20px rgba(230, 0, 0, 0.6);
}

.calculator-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1001;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.calculator-modal.show {
    display: flex;
    opacity: 1;
}

.calculator-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    padding: 2rem;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.calculator-modal.show .calculator-modal-content {
    transform: translateY(0);
}

.close-calculator {
    position: absolute;
    top: 15px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-calculator:hover {
    color: var(--brand-red);
}

.calculator-title {
    font-family: var(--font-heading);
    color: var(--text-main);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.calculator-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.calculator-form .input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.calculator-form label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.calculator-form input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.calculator-form input:focus {
    outline: none;
    border-color: var(--brand-red);
    box-shadow: 0 0 8px var(--brand-red-glow);
}

.advanced-settings {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
}

.advanced-settings summary {
    padding: 0.8rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    user-select: none;
    transition: color 0.3s ease;
}

.advanced-settings summary:hover {
    color: var(--text-main);
}

.details-content {
    padding: 0 1rem 1rem 1rem;
}

.calculate-btn {
    width: 100%;
    padding: 1rem;
    background: var(--brand-red);
    color: white;
    border: none;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.calculate-btn:hover {
    background: #cc0000;
    transform: translateY(-2px);
}

/* Blog CTA Button */
.blog-cta-button {
    display: inline-block;
    padding: 0.85rem 2.25rem;
    background: var(--brand-red);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 2px solid var(--brand-red);
    cursor: pointer;
}

.blog-cta-button:hover {
    background: transparent;
    color: var(--brand-red);
    box-shadow: 0 0 20px rgba(230, 0, 0, 0.3);
    transform: translateY(-2px);
}

.calculator-results {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    animation: fadeIn 0.5s ease;
}

.result-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 3px solid var(--brand-red);
}

.result-item h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
    font-family: var(--font-body);
    font-weight: normal;
}

.result-item p {
    font-size: 1.25rem;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-weight: 600;
}

.result-item.highlight {
    border-color: #4ade80; /* Zelená pre "success" info */
}

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

@media (max-width: 600px) {
    .calculator-fab {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .calculator-modal-content {
        padding: 1.5rem;
        width: 95%;
    }
}

/* ---------------- New Blog Layout Styles ---------------- */

/* Top section: Blog title left, hero teaser right */
.blog-top-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 3rem;
    width: 100%;
}

.blog-page-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.blog-hero {
    width: 100%;
    margin: 0;
}

.blog-hero-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.blog-hero-card:hover {
    transform: translateY(-5px);
    border-color: rgba(227, 28, 37, 0.4);
    box-shadow: 0 15px 50px rgba(227, 28, 37, 0.15);
}

.blog-hero-image {
    width: 100%;
    height: 180px;
    background: #0f0f0f;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.blog-hero-content {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.blog-badge {
    background: rgba(227, 28, 37, 0.15);
    color: var(--brand-red);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    border: 1px solid rgba(227, 28, 37, 0.3);
}

.blog-hero-title {
    font-size: 1.6rem;
    color: var(--text-main);
    margin-bottom: 0.8rem;
    font-family: var(--font-heading);
}

.blog-hero-excerpt {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.blog-read-more {
    color: var(--brand-red);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s ease;
}

.blog-hero-card:hover .blog-read-more {
    gap: 0.8rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

.blog-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
}

.blog-card-image {
    width: 100%;
    height: 180px;
    background: #121212;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.blog-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.blog-card-title {
    font-size: 1.25rem;
    color: var(--text-main);
    margin: 0.5rem 0 1rem 0;
    font-family: var(--font-heading);
}

.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (min-width: 768px) {
    .blog-hero-card {
        flex-direction: row;
    }
    .blog-hero-image {
        width: 50%;
        height: auto;
        min-height: 250px;
        border-bottom: none;
        border-right: 1px solid var(--border-color);
    }
    .blog-hero-content {
        width: 50%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .blog-top-layout {
        grid-template-columns: 1fr;
    }
    .blog-container {
        max-width: 100%;
    }
}