/* ============================================
   CUEVA – Fő stíluslap
   Modern, letisztult, idősbarát design
   ============================================ */

/* --- CSS Változók --- */
:root {
    /* Színek – biliárd zöld tematika */
    --color-primary: #1B6B3A;
    --color-primary-dark: #0F4D28;
    --color-primary-light: #2E8B4E;
    --color-secondary: #D4A843;
    --color-secondary-dark: #B8922F;
    --color-accent: #FFD700;
    
    /* Szöveg */
    --color-text: #1A1A2E;
    --color-text-light: #4A4A5A;
    --color-text-muted: #7A7A8A;
    
    /* Háttér */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F7F8FA;
    --color-bg-dark: #0F1923;
    --color-bg-card: #FFFFFF;
    
    /* Szegély */
    --color-border: #E2E4E8;
    --color-border-light: #F0F1F3;
    
    /* Árnyék */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);
    
    /* Tipográfia – nagy méret az időseknek */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 18px;
    --font-size-sm: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 42px;
    --font-size-4xl: 56px;
    
    /* Térközök */
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 40px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* Lekerekítés */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Átmenetek */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Max szélesség */
    --max-width: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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-dark);
}

ul {
    list-style: none;
}

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

/* --- Gombok --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 14px 32px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    line-height: 1.4;
    min-height: 52px;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

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

.btn--outline:hover {
    background-color: var(--color-primary);
    color: #fff;
}

.btn--accent {
    background-color: var(--color-secondary);
    color: var(--color-bg-dark);
    border-color: var(--color-secondary);
}

.btn--accent:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: var(--color-bg-dark);
}

.btn--lg {
    padding: 18px 40px;
    font-size: var(--font-size-lg);
    min-height: 60px;
}

.btn--full {
    width: 100%;
}

/* --- Szekció fejléc --- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   NAVIGÁCIÓ
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.header--scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.nav__logo-img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
}

.nav__logo-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-left: auto;
}

.nav__link {
    display: block;
    padding: 10px 18px;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-light);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    min-height: 48px;
    display: flex;
    align-items: center;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
    background-color: rgba(27, 107, 58, 0.08);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    min-height: 48px;
    min-width: 48px;
    justify-content: center;
    align-items: center;
}

.nav__toggle-line {
    display: block;
    width: 24px;
    height: 2.5px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* --- Nyelvválasztó --- */
.lang-switcher {
    position: relative;
    margin-left: var(--space-md);
}

.lang-switcher__toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    transition: all var(--transition-fast);
}

.lang-switcher__toggle:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.lang-switcher__toggle .arrow,
.lang-switcher__toggle .lang-switcher__arrow {
    font-size: 10px;
    transition: transform var(--transition-fast);
}

.lang-switcher__toggle .lang-switcher__arrow {
    width: 12px;
    height: 12px;
}

.lang-switcher--open .lang-switcher__toggle .arrow,
.lang-switcher--open .lang-switcher__toggle .lang-switcher__arrow {
    transform: rotate(180deg);
}

.lang-switcher__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    z-index: 1001;
    min-width: 140px;
}

.lang-switcher--open .lang-switcher__dropdown {
    display: block;
}

.lang-switcher__btn {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}

.lang-switcher__btn:hover {
    background: var(--color-bg-alt);
}

.lang-switcher__btn--active {
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

.lang-switcher__btn--active:hover {
    background: var(--color-primary-dark);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 30%, #f0f9ff 70%, #fff 100%);
    z-index: -2;
    overflow: hidden;
}

.hero__bg::after {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(27, 107, 58, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding: var(--space-2xl) 0;
    position: relative;
    z-index: 11;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

.hero__title--accent {
    color: var(--color-primary);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    max-width: 540px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__logo-img {
    width: 320px;
    height: 320px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(27, 107, 58, 0.2));
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   SZOLGÁLTATÁSOK (FEATURE CARDS)
   ============================================ */
.features {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    color: var(--color-primary);
}

.feature-card__icon svg {
    width: 100%;
    height: 100%;
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.feature-card__text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   TERMÉKEK
   ============================================ */
.products {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-alt);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-3xl);
}

.product-showcase:last-child {
    margin-bottom: 0;
}

.product-showcase--reverse {
    direction: rtl;
}

.product-showcase--reverse > * {
    direction: ltr;
}

.product-showcase__badge {
    display: inline-block;
    padding: 6px 16px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    background-color: rgba(27, 107, 58, 0.1);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.product-showcase__badge--secondary {
    background-color: rgba(212, 168, 67, 0.15);
    color: var(--color-secondary-dark);
}

.product-showcase__badge--tertiary {
    background-color: rgba(59, 130, 246, 0.1);
    color: #2563EB;
}

.product-showcase__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.product-showcase__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.product-showcase__features {
    margin-bottom: var(--space-xl);
    padding-left: 0;
}

.product-showcase__features li {
    position: relative;
    padding: 8px 0 8px 32px;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

.product-showcase__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

/* Mockup stílusok */
.product-showcase__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Desktop mockup */
.mockup-screen {
    width: 100%;
    max-width: 440px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.mockup-screen__bar {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: #1a2332;
}

.mockup-screen__bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #3d4f65;
}

.mockup-screen__bar span:first-child { background: #ff5f56; }
.mockup-screen__bar span:nth-child(2) { background: #ffbd2e; }
.mockup-screen__bar span:nth-child(3) { background: #27c93f; }

.mockup-screen__content {
    padding: var(--space-xl);
    text-align: center;
    color: #94a3b8;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.mockup-screen__logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
}

.mockup-screen__content p {
    font-size: var(--font-size-sm);
}

/* Tablet mockup */
.mockup-tablet {
    width: 100%;
    max-width: 380px;
    background: #1e293b;
    border-radius: var(--radius-xl);
    padding: 20px;
    box-shadow: var(--shadow-xl);
}

.mockup-tablet__content {
    background: #0f172a;
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-tablet__score {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.score-display {
    text-align: center;
}

.score-display__player {
    display: block;
    font-size: var(--font-size-sm);
    color: #94a3b8;
    margin-bottom: var(--space-xs);
}

.score-display__value {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-accent);
}

.score-display__vs {
    font-size: var(--font-size-2xl);
    color: #475569;
    font-weight: 700;
}

/* TV mockup */
.mockup-tv {
    width: 100%;
    max-width: 480px;
    background: #0f172a;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 3px solid #1e293b;
}

.mockup-tv__content {
    padding: var(--space-lg);
}

.mockup-tv__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    color: #e2e8f0;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.mockup-tv__logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.mockup-tv__table {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mockup-tv__row {
    display: grid;
    grid-template-columns: 60px 1fr 80px 1fr;
    gap: var(--space-xs);
    padding: 10px 12px;
    font-size: var(--font-size-sm);
    color: #cbd5e1;
    background: #1e293b;
    border-radius: 6px;
}

.mockup-tv__row--header {
    font-weight: 600;
    color: #94a3b8;
    background: transparent;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mockup-tv__row span:nth-child(3) {
    text-align: center;
    color: var(--color-accent);
    font-weight: 700;
}

/* ============================================
   RÓLUNK
   ============================================ */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg);
}

.about__content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about__text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about__text p:last-child {
    margin-bottom: 0;
}

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

.stat {
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border-light);
}

.stat__number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat__label {
    display: block;
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ============================================
   CTA
   ============================================ */
.cta {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
    text-align: center;
}

.cta__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--space-md);
}

.cta__text {
    font-size: var(--font-size-lg);
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   KAPCSOLAT
   ============================================ */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-bg-alt);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
}

.contact__form {
    background: var(--color-bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

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

.form-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
    min-height: 52px;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 107, 58, 0.15);
}

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

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%237A7A8A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 20px;
    padding-right: 48px;
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

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

.contact__info-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

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

.contact__info-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.contact__info-icon svg {
    width: 100%;
    height: 100%;
}

.contact__info-card h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.contact__info-card p,
.contact__info-card a {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

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

/* ============================================
   LÁBLÉC
   ============================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background-color: var(--color-bg-dark);
    color: #94a3b8;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    margin-bottom: var(--space-md);
}

.footer__logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.footer__logo span {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.05em;
}

.footer__brand-desc {
    font-size: var(--font-size-base);
    color: #64748b;
    line-height: 1.6;
}

.footer__links h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: var(--space-md);
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    font-size: var(--font-size-base);
    color: #64748b;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid #1e293b;
    text-align: center;
}

.footer__bottom p {
    font-size: var(--font-size-sm);
    color: #475569;
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background-color: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 999;
}

.scroll-top svg {
    width: 24px;
    height: 24px;
}

.scroll-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   ANIMÁCIÓK (Scroll alapú)
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   ÜZENET KÜLDÉS SIKER
   ============================================ */
.form-success {
    display: none;
    text-align: center;
    padding: var(--space-xl);
}

.form-success--show {
    display: block;
}

.form-success__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    color: var(--color-primary);
}

.form-success__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.form-success__text {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

/* ============================================
   RESZPONZÍV
   ============================================ */

/* Kis asztali gép (pl. 1366×768) */
@media (max-width: 1366px) {
    :root {
        --font-size-4xl: 48px;
        --font-size-3xl: 36px;
    }

    .nav__link {
        padding: 10px 14px;
        font-size: var(--font-size-sm);
    }

    .hero {
        min-height: auto;
    }

    .hero__content {
        gap: var(--space-xl);
        padding: var(--space-xl) 0;
    }

    .hero__logo-img {
        width: 240px;
        height: 240px;
    }

    .hero__description {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-lg);
    }

    .hero__title {
        margin-bottom: var(--space-md);
    }

    .mockup-tv {
        max-width: 420px;
    }

    .mockup-screen {
        max-width: 400px;
    }
}

/* Alacsony magasságú kijelző (pl. 1366x768, landscape tablet) */
@media (max-height: 768px) and (min-width: 769px) {
    .hero {
        min-height: auto;
        padding-bottom: var(--space-md);
    }

    .hero__content {
        padding: var(--space-md) 0;
    }

    .hero__logo-img {
        width: 200px;
        height: 200px;
    }

    .hero__description {
        margin-bottom: var(--space-sm);
        line-height: 1.5;
    }

    .hero__title {
        margin-bottom: var(--space-xs);
    }

    .btn--lg {
        padding: 12px 28px;
        min-height: 46px;
        font-size: var(--font-size-base);
    }

    .features {
        margin-top: -40px;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 38px;
        --font-size-3xl: 30px;
        --font-size-2xl: 26px;
    }

    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__logo-img {
        width: 200px;
        height: 200px;
    }

    .features__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .product-showcase {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .product-showcase--reverse {
        direction: ltr;
    }

    .product-showcase__visual {
        order: -1;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about__stats {
        flex-direction: row;
        gap: var(--space-md);
    }

    .stat {
        flex: 1;
    }

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

    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }

    .features {
        padding: var(--space-2xl) 0;
        margin-top: -40px;
    }

    .products {
        padding: var(--space-2xl) 0;
    }

    .about {
        padding: var(--space-2xl) 0;
    }

    .cta {
        padding: var(--space-2xl) 0;
    }

    .contact {
        padding: var(--space-2xl) 0;
    }
}

/* Mobil */
@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
        --font-size-4xl: 30px;
        --font-size-3xl: 24px;
        --font-size-2xl: 22px;
        --font-size-xl: 20px;
        --font-size-base: 16px;
        --font-size-sm: 14px;
    }

    .container {
        padding: 0 var(--space-md);
    }

    /* Hero mobilon */
    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-lg));
        padding-bottom: var(--space-xl);
    }

    .hero__content {
        padding: var(--space-lg) 0;
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .hero__description {
        font-size: var(--font-size-base);
        line-height: 1.7;
    }

    .hero__logo-img {
        width: 160px;
        height: 160px;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__bg::after {
        width: 300px;
        height: 300px;
    }

    /* Mobil menü */
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--color-bg);
        padding: var(--space-lg);
        gap: var(--space-xs);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        margin-left: 0;
    }

    .nav__menu--open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        font-size: var(--font-size-lg);
        padding: 14px 18px;
        width: 100%;
        justify-content: center;
    }

    /* Mobil toggle animáció */
    .nav__toggle--active .nav__toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle--active .nav__toggle-line:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle--active .nav__toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Nyelvválasztó mobilon – kompakt, a hamburgergomb mellett */
    .lang-switcher {
        order: 0;
        margin-left: auto;
    }

    .lang-switcher__toggle {
        padding: 6px 10px;
        min-height: 40px;
        min-width: 40px;
        font-size: 14px;
    }

    .lang-switcher__dropdown {
        right: 0;
        left: auto;
        min-width: 130px;
    }

    /* Feature kártyák */
    .features {
        padding: var(--space-xl) 0;
        margin-top: -30px;
    }

    .features__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .feature-card {
        padding: var(--space-lg);
    }

    .feature-card__icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--space-md);
    }

    /* Products */
    .products {
        padding: var(--space-xl) 0;
    }

    .product-showcase {
        margin-bottom: var(--space-xl);
        gap: var(--space-lg);
    }

    .product-showcase__title {
        font-size: var(--font-size-xl);
    }

    .product-showcase__visual {
        order: -1;
    }

    /* Mockup méretezés */
    .mockup-screen {
        max-width: 100%;
    }

    .mockup-screen__content {
        padding: var(--space-lg);
        min-height: 180px;
    }

    .mockup-screen__logo {
        width: 60px;
        height: 60px;
    }

    .mockup-tablet {
        max-width: 100%;
        padding: 14px;
    }

    .mockup-tablet__content {
        padding: var(--space-lg);
        min-height: 180px;
    }

    .score-display__value {
        font-size: var(--font-size-3xl);
    }

    .score-display__player {
        font-size: 13px;
    }

    .mockup-tv {
        max-width: 100%;
    }

    .mockup-tv__content {
        padding: var(--space-md);
    }

    .mockup-tv__row {
        grid-template-columns: 36px 1fr 56px 1fr;
        padding: 8px 10px;
        font-size: 13px;
        gap: 4px;
    }

    .mockup-tv__row--header {
        font-size: 11px;
    }

    .mockup-tv__header {
        font-size: 13px;
    }

    .mockup-tv__logo {
        width: 24px;
        height: 24px;
    }

    /* Rólunk */
    .about {
        padding: var(--space-xl) 0;
    }

    .about__text p {
        font-size: var(--font-size-base);
    }

    .about__stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat__number {
        font-size: var(--font-size-2xl);
    }

    /* CTA */
    .cta {
        padding: var(--space-xl) 0;
    }

    .cta__title {
        font-size: var(--font-size-2xl);
    }

    .cta__text {
        font-size: var(--font-size-base);
    }

    /* Kapcsolat */
    .contact {
        padding: var(--space-xl) 0;
    }

    .contact__form {
        padding: var(--space-lg);
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer {
        padding: var(--space-xl) 0 var(--space-md);
    }

    /* Gombok */
    .btn--lg {
        padding: 14px 28px;
        font-size: var(--font-size-base);
        width: 100%;
        justify-content: center;
    }

    /* Scroll to top */
    .scroll-top {
        bottom: 16px;
        right: 16px;
        width: 46px;
        height: 46px;
    }

    /* Section header */
    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }
}

/* Kis mobil (pl. iPhone SE, 375px és alatta) */
@media (max-width: 480px) {
    :root {
        --font-size-4xl: 26px;
        --font-size-3xl: 22px;
        --font-size-2xl: 20px;
        --font-size-xl: 18px;
    }

    .hero__logo-img {
        width: 130px;
        height: 130px;
    }

    .hero__buttons .btn {
        padding: 12px 20px;
        font-size: var(--font-size-sm);
        min-height: 46px;
    }

    .feature-card {
        padding: var(--space-md);
    }

    .product-showcase__features li {
        padding: 6px 0 6px 28px;
        font-size: var(--font-size-sm);
    }

    .mockup-tv__row {
        grid-template-columns: 28px 1fr 44px 1fr;
        font-size: 12px;
        padding: 6px 8px;
    }

    .mockup-tv__row--header {
        font-size: 10px;
    }

    .score-display__value {
        font-size: var(--font-size-2xl);
    }

    .score-display__vs {
        font-size: var(--font-size-lg);
    }

    .stat {
        padding: var(--space-md);
    }

    .stat__number {
        font-size: var(--font-size-xl);
    }

    .contact__form {
        padding: var(--space-md);
    }

    .form-input {
        padding: 12px 14px;
        min-height: 46px;
    }
}

/* Nagyon alacsony magasság (pl. landscape telefon) */
@media (max-height: 500px) and (min-width: 769px) {
    .hero__content {
        padding: var(--space-md) 0;
    }

    .hero__logo-img {
        width: 160px;
        height: 160px;
    }
}

/* Akadálymentesség: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Fókusz stílusok (billentyűzetes navigáció) */
*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}