:root {
    --primary: #ff7b00;
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --text: #ffffff;
    --text-muted: #888888;
    --gray: #2a2a2a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text);
    overflow-x: hidden;
    padding-top: 70px;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 123, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
}
.logo img.logo-img {
    height: 30px;
    width: auto;
}
.logo-text-image {
    height: 26px;
    width: auto;
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.logo:hover .logo-text-image {
    transform: rotate(360deg) scale(1.05);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.2rem;
    margin: 0;
    padding: 0;
}
nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    padding: 0.5rem 0;
}
nav a:hover { color: var(--primary); }
nav a.active {
    color: var(--primary);
    font-weight: 600;
}
nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.lang-switcher { display: flex; gap: 0.5rem; flex-shrink: 0; }
.lang-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-size: 0.9rem;
}
.lang-btn:hover, .lang-btn.active { background: var(--primary); color: #000; }

.showcase { 
    height: calc(100vh - 70px); display: flex; align-items: center; justify-content: center; 
    position: relative; overflow: hidden;
    background: var(--bg-dark);
}

.showcase-content { 
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; 
    max-width: 1400px; width: 100%; padding: 0 5%; align-items: center;
    position: relative; z-index: 2;
}
.text-content h1 { 
    font-size: 3.5rem; font-weight: 700; margin-bottom: 1.5rem; 
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%); 
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-content p { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 2rem; line-height: 1.8; }
.btn { 
    display: inline-block; padding: 1rem 2.5rem; background: var(--primary); color: #000; 
    border-radius: 50px; font-weight: 600; text-decoration: none; transition: all 0.3s; border: 2px solid var(--primary);
}
.btn:hover { 
    background: transparent; color: var(--primary); transform: translateY(-3px); 
    box-shadow: 0 10px 30px rgba(255, 123, 0, 0.4); 
}

.product-display { 
    position: relative; width: 500px; height: 500px; 
    display: flex; align-items: center; justify-content: center; 
}
.product-container { position: relative; width: 100%; height: 100%; }

.product { 
    position: absolute;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    will-change: transform, opacity;
    backface-visibility: hidden;
    display: none;
}
.product.active { 
    opacity: 1;
    pointer-events: auto;
    display: flex;
}
.product svg { width: 100%; height: 100%; filter: drop-shadow(0 20px 60px rgba(255, 123, 0, 0.3)); }
.product.active svg { animation: float 4s ease-in-out infinite; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-15px) rotate(1deg); }
    50% { transform: translateY(-25px) rotate(0deg); }
    75% { transform: translateY(-15px) rotate(-1deg); }
}

.nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 70px;
    height: 70px;
    background: rgba(255, 123, 0, 0.2);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s;
    font-size: 2rem;
    color: var(--primary);
    user-select: none;
}
.nav-arrow:hover { background: var(--primary); color: #000; transform: translateY(-50%) scale(1.1); }
.nav-arrow.prev { left: 80px; }
.nav-arrow.next { right: 80px; }

.regular-section { padding: 5rem 5%; background: var(--bg-card); position: relative; z-index: 2; }
.container { max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 2.5rem; text-align: center; margin-bottom: 1rem; color: var(--text); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.feature-card { background: var(--bg-dark); padding: 1.5rem; border-radius: 16px; border: 1px solid var(--gray); transition: all 0.3s; overflow: hidden; position: relative; }
.feature-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: 0 10px 30px rgba(255, 123, 0, 0.2); }
.feature-head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    position: relative;
}
.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.3s, transform 0.3s;
}
.feature-card:hover .feature-icon svg {
    stroke: #fff;
    transform: scale(1.1);
}
.feature-card h3 { font-size: 1.2rem; margin-bottom: 0.4rem; color: var(--text); }
.feature-card p { color: var(--text-muted); line-height: 1.6; font-size: 0.95rem; }

.bulb-card .feature-icon::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 0, 0.3), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.bulb-card:hover .feature-icon::after { opacity: 1; }
.bulb-card:hover .feature-icon svg {
    stroke: #ffeb3b;
    filter: drop-shadow(0 0 8px rgba(255, 235, 59, 0.8));
}

.star-card .star-burst {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.star-card .star-burst i {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 10px;
    color: #ffd700;
    opacity: 0;
    animation: none;
    transform: translate(-50%, -50%);
}
.star-card:hover .star-burst i { animation: starFall 0.8s ease-out forwards; }
.star-card:hover .star-burst i:nth-child(1) { animation-delay: 0s; left: 30%; top: 30%; }
.star-card:hover .star-burst i:nth-child(2) { animation-delay: 0.1s; left: 70%; top: 30%; }
.star-card:hover .star-burst i:nth-child(3) { animation-delay: 0.2s; left: 50%; top: 70%; }
.star-card:hover .star-burst i:nth-child(4) { animation-delay: 0.3s; left: 20%; top: 60%; }
.star-card:hover .star-burst i:nth-child(5) { animation-delay: 0.4s; left: 80%; top: 60%; }

@keyframes starFall {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) translateY(30px) scale(0); }
}

.shield-card .feature-icon .sword-svg {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 40px;
    height: 40px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    z-index: 1;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
}
.shield-card .feature-icon .shield-svg {
    position: relative;
    z-index: 2;
    fill: var(--bg-dark);
}
.shield-card:hover .feature-icon .sword-svg {
    transform: translate(-50%, -50%) scale(1);
}
.shield-card:hover .feature-icon .shield-svg {
    stroke: #fff;
}

.about-section { padding: 8rem 5%; text-align: center; position: relative; z-index: 2; }
.about-content { max-width: 900px; margin: 0 auto; }
.about-content p { font-size: 1.3rem; color: var(--text-muted); line-height: 2; margin-bottom: 2rem; }

.testimonials-section {
    padding: 60px 20px;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    background: transparent;
}
.testimonials-section h2 {
    color: var(--text);
    font-size: 3.5rem;
    margin-bottom: 60px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.testimonial-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}
.testimonial-card {
    flex: 0 1 calc(33.333% - 30px);
    min-width: 250px;
    max-width: 350px;
    background: var(--bg-card);
    border: 1px solid var(--gray);
    border-radius: 15px;
    padding: 40px 25px 25px;
    color: var(--text);
    text-align: left;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}
.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(255, 123, 0, 0.2);
}
.quote-icon {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-family: Georgia, serif;
    font-size: 32px;
    font-weight: bold;
    line-height: 1;
}
.quote-text {
    font-style: italic;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 40px;
    margin-bottom: 30px;
    flex-grow: 1;
    color: var(--text-muted);
}
.author-name {
    font-weight: bold;
    font-size: 18px;
    margin-top: auto;
    color: var(--text);
}
.review-stars-inline {
    color: #ffd700;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-top: 5px;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 40px;
}
.testimonial-nav .review-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--gray);
    color: var(--primary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.testimonial-nav .review-arrow:hover:not(:disabled) {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
    transform: scale(1.1);
}
.testimonial-nav .review-arrow:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

@media (max-width: 992px) {
    .testimonial-card {
        flex: 0 1 calc(50% - 30px);
    }
}

@media (max-width: 600px) {
    .testimonial-card {
        flex: 0 1 100%;
    }
}

@media (max-width: 768px) {
    .testimonials-section h2 {
        font-size: 2rem;
    }
}

footer {
    background: var(--bg-card);
    border-top: 1px solid var(--gray);
    padding: 3rem 5% 2rem;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}
.footer-col { min-width: 200px; }
.footer-col--support { flex: 2; }
.footer-col--buyers,
.footer-col--social { flex: 1; }
.footer-col h3 {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}
.footer-col a:hover { color: var(--primary); }
.footer-col--buyers a { display: block; }
.support-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.3rem 1rem;
}
.footer-contact {
    display: flex;
    align-items: center;
    margin-bottom: 0.3rem;
}
.footer-contact img.footer-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    object-fit: contain;
}
.footer-contact a,
.footer-contact span {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}
.footer-contact a:hover { color: var(--primary); }
.social-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.social-link {
    display: inline-block;
    transition: transform 0.3s, filter 0.3s;
}
.social-link img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
}
.social-link:hover {
    transform: translateY(-3px);
    filter: brightness(1.3);
}
.copyright {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.privacy-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(8px);
    z-index: 9999; display: none; align-items: center; justify-content: center;
    padding: 1rem;
}
.privacy-modal.active { display: flex; }
.privacy-content {
    background: var(--bg-card); border: 1px solid var(--gray);
    border-radius: 20px; padding: 2.5rem; max-width: 500px; text-align: center;
    box-shadow: 0 20px 60px rgba(255, 123, 0, 0.15);
}
.privacy-content h3 { color: var(--primary); margin-bottom: 1rem; font-size: 1.5rem; }
.privacy-content p { color: var(--text-muted); line-height: 1.6; margin-bottom: 1.5rem; font-size: 0.95rem; }
.privacy-content a { color: var(--primary); text-decoration: underline; }
.privacy-buttons .btn { width: 100%; text-align: center; cursor: pointer; border: none; font-size: 1rem; }

@media (max-width: 1150px) {
    header { height: auto; padding: 1rem 3%; flex-wrap: wrap; gap: 1rem; }
    body { padding-top: 140px; }
    nav { width: 100%; order: 3; }
    nav ul { flex-wrap: wrap; justify-content: center; gap: 0.8rem 1.2rem; }
    .logo-img { height: 26px; }
    .logo-text-image { height: 22px; }
    .footer-container { flex-direction: column; }
    .footer-col--support,
    .footer-col--buyers,
    .footer-col--social { flex: 1; }
    .support-grid { grid-template-columns: 1fr; }
}

@media (max-width: 968px) {
    .showcase-content { grid-template-columns: 1fr; text-align: center; }
    .text-content h1 { font-size: 2.5rem; }
    .product-display { width: 350px; height: 350px; }
    .nav-arrow { width: 50px; height: 50px; font-size: 1.5rem; }
    .nav-arrow.prev { left: 15px; }
    .nav-arrow.next { right: 15px; }
}